Merge pull request #1771 from PurpleI2P/openssl

recent changes

.gitattributes

@@ -0,0 +1 @@
+/build/build_mingw.cmd eol=crlf

.github/workflows/build-freebsd.yml

@@ -4,15 +4,16 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: macos-10.15
     name: with UPnP
     steps:
     - uses: actions/checkout@v2
     - name: Test in FreeBSD
       id: test
-      uses: vmactions/freebsd-vm@v0.1.4
+      uses: vmactions/freebsd-vm@v0.1.5
       with:
         usesh: true
+        mem: 2048
         prepare: pkg install -y devel/cmake devel/gmake devel/boost-libs security/openssl net/miniupnpc 
         run: |
           cd build

.github/workflows/build-windows.yml

@@ -8,14 +8,15 @@ defaults:
 
 jobs:
   build:
-    name: Building for ${{ matrix.arch }}
+    name: Building using ${{ matrix.arch }} toolchain
     runs-on: windows-latest
     strategy:
       fail-fast: true
       matrix:
         include: [
-          { msystem: MINGW64, arch: x86_64 },
+          { msystem: UCRT64, arch: ucrt-x86_64, arch_short: x64-ucrt },
-          { msystem: MINGW32, arch: i686   }
+          { msystem: MINGW64, arch: x86_64, arch_short: x64 },
+          { msystem: MINGW32, arch: i686, arch_short: x86 }
         ]
     steps:
     - uses: actions/checkout@v2
@@ -25,11 +26,50 @@ jobs:
         msystem: ${{ matrix.msystem }}
         install: base-devel mingw-w64-${{ matrix.arch }}-gcc mingw-w64-${{ matrix.arch }}-boost mingw-w64-${{ matrix.arch }}-openssl mingw-w64-${{ matrix.arch }}-miniupnpc
         update: true
-    - name: build application
+    - name: Build application
       run: |
         mkdir -p obj/Win32 obj/libi2pd obj/libi2pd_client obj/daemon
-        make USE_UPNP=yes DEBUG=no -j3
+        make USE_UPNP=yes DEBUG=no USE_GIT_VERSION=yes -j3
     - name: Upload artifacts
       uses: actions/upload-artifact@v2
       with:
+        name: i2pd-${{ matrix.arch_short }}.exe
+        path: i2pd.exe
+  build-xp:
+    name: Building for Windows XP
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup MSYS2
+      uses: msys2/setup-msys2@v2
+      with:
+        msystem: MINGW32
+        install: base-devel git mingw-w64-i686-gcc mingw-w64-i686-boost mingw-w64-i686-openssl mingw-w64-i686-miniupnpc
+        update: true
+    - name: Build WinXP-capable CRT packages
+      run: |
+        git clone https://github.com/msys2/MINGW-packages
+        pushd MINGW-packages
+        pushd mingw-w64-headers-git
+        sed -i 's/0x601/0x501/' PKGBUILD
+        MINGW_ARCH=mingw32 makepkg-mingw -sCLf --noconfirm
+        pacman --noconfirm -U mingw-w64-i686-headers-git-*-any.pkg.tar.zst
+        popd
+        pushd mingw-w64-crt-git
+        MINGW_ARCH=mingw32 makepkg-mingw -sCLf --noconfirm
+        pacman --noconfirm -U mingw-w64-i686-crt-git-*-any.pkg.tar.zst
+        popd
+        pushd mingw-w64-winpthreads-git
+        MINGW_ARCH=mingw32 makepkg-mingw -sCLf --noconfirm
+        pacman --noconfirm -U mingw-w64-i686-libwinpthread-git-*-any.pkg.tar.zst mingw-w64-i686-winpthreads-git-*-any.pkg.tar.zst
+        popd
+        popd
+    - name: Build application
+      run: |
+        mkdir -p obj/Win32 obj/libi2pd obj/libi2pd_client obj/daemon
+        make USE_UPNP=yes DEBUG=no USE_GIT_VERSION=yes USE_WINXP_FLAGS=yes -j3
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: i2pd-xp.exe
         path: i2pd.exe

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install devscripts
-        debchange -v "`git describe --tags`-stretch" -M --distribution stretch "trunk build"
+        debchange -v "`git describe --tags`-stretch" -b -M --distribution stretch "trunk build"
     - uses: singingwolfboy/build-dpkg-stretch@v1
       id: build
       with:
@@ -73,7 +73,7 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt-get install devscripts
-        debchange -v "`git describe --tags`-buster" -M --distribution buster "trunk build"
+        debchange -v "`git describe --tags`-buster" -b -M --distribution buster "trunk build"
     - uses: singingwolfboy/build-dpkg-buster@v1
       id: build
       with:

.github/workflows/docker.yml

@@ -1,6 +1,11 @@
 name: Build containers
 
-on: [push]
+on:
+  push:
+    branches:
+    - openssl
+    tags:
+    - '*'
 
 jobs:
   docker:
@@ -58,6 +63,8 @@ jobs:
           push: true
           tags: |
             purplei2p/i2pd:latest
+            purplei2p/i2pd:latest-release
             purplei2p/i2pd:release-${{ env.RELEASE_VERSION }}
             ghcr.io/purplei2p/i2pd:latest
+            ghcr.io/purplei2p/i2pd:latest-release
             ghcr.io/purplei2p/i2pd:release-${{ env.RELEASE_VERSION }}

.gitignore

@@ -260,6 +260,7 @@ docs/generated
 build/Makefile
 
 # debian stuff
+debian/i2pd.1.gz
 .pc/
 
 # qt 

ChangeLog

@@ -1,6 +1,95 @@
 # for this file format description,
 # see https://github.com/olivierlacan/keep-a-changelog
 
+## [2.42.1] - 2022-05-24
+### Fixed
+- Incorrect jump link in HTTP Proxy
+
+## [2.42.0] - 2022-05-22
+### Added
+- Preliminary SSU2 implementation
+- Tunnel length variance
+- Localization to French
+- Daily cleanup of obsolete peer profiles
+- Ordered jump services list in HTTP proxy
+- Win32 service
+- Show port for local non-published SSU addresses in web console
+### Changed
+- Maximum RouterInfo length increased to 3K
+- Skip unknown addresses in RouterInfo
+- Don't pick own router for peer test
+- Reseeds list
+- Internal numeric id for families
+- Use ipv6 preference only when netinet headers not used
+- Close stream if delete requested
+- Remove version from title in web console
+- Drop MESHNET build option
+- Set data path before initialization
+- Don't show registration block in web console if token is not provided
+### Fixed
+- Encrypted LeaseSet for EdDSA signature
+- Clients tunnels are not built if clock is not synced on start
+- Incorrect processing of i2cp.dontPublishLeaseSet param
+- UDP tunnels reload
+- Build for LibreSSL 3.5.2
+- Race condition in short tunnel build message
+- Race condition in local RouterInfo buffer allocation
+
+## [2.41.0] - 2022-02-20
+### Added
+- Clock syncronization through SSU
+- Drop routers older than 6 months on start
+- Localization to German
+- Don't send streaming ack too frequently
+- Select compatible outbound tunnel for I2CP messages
+- Restart webconsole's acceptor in case of exception
+### Changed
+- Use builtin bitswap for endian on windows
+- Send SessionCreated before connection close if clock skew
+- Try another floodfill for publishing if no compatible tunnels found
+- Reduce memory usage for RouterInfo structures
+- Avoid duplicated addresses in RouterInfo. Check presence of netId and version
+- Use TCP/IP sockets for I2CP on Android instead local sockets
+- Return uptime as integer in I2PControl
+- Reseed servers list/cerificates
+- Webconsole's dark style colors
+### Fixed
+- Attempt to use Yggdrasil on start on Android
+- Attempts to send peer tests to itself
+- Severe packets drop in SSU
+- Crash on tunnel tests
+- Loading addressbook subscriptions from config
+- Multiple I2CP session to the same destination
+- Build on Apple Silicon
+
+## [2.40.0] - 2021-11-29
+### Added
+- Keep alive parameter for client tunnels
+- Support openssl 3.0.0
+- Localization to Armenian
+- Show git commit info in version
+- Windows menu item for opening datadir
+- Reseed if too few floodfills
+- Don't publish old and replacing tunnel in LeaseSet
+- Webconsole light/dark theme depending on system settings (via CSS)
+### Changed
+- Set gzip compression to false by default
+- Build tunnel through ECIES routers only
+- Removed ElGamal support for tunnels
+- Moved webconsole resources to separate file
+- Pick tunnels with compatible transport with another tunnel of floodfill
+- Use common cleanup timer for all SSU sessions
+- Reduced memory usage
+- Reseed servers list
+- i18n code called from ClientContext
+### Fixed
+- Tunnels reload
+- Some typos in log messages
+- Cleanup relay requests table
+- Server tunnel is not published
+- Build on GNU/Hurd. Disable pthread_setname_np
+- Crash when incorrect sigtype used with blinding
+
 ## [2.39.0] - 2021-08-23
 ### Added
 - Short tunnel build messages

Makefile

@@ -1,8 +1,10 @@
+.DEFAULT_GOAL := all
+
 SYS := $(shell $(CXX) -dumpmachine)
 
 ifneq (, $(findstring darwin, $(SYS)))
 	SHARED_SUFFIX = dylib
-else ifneq (, $(findstring mingw, $(SYS))$(findstring cygwin, $(SYS)))
+else ifneq (, $(findstring mingw, $(SYS))$(findstring windows-gnu, $(SYS))$(findstring cygwin, $(SYS)))
 	SHARED_SUFFIX = dll
 else
 	SHARED_SUFFIX = so
@@ -29,10 +31,15 @@ include filelist.mk
 
 USE_AESNI       := $(or $(USE_AESNI),yes)
 USE_STATIC      := $(or $(USE_STATIC),no)
-USE_MESHNET	:= $(or $(USE_MESHNET),no)
 USE_UPNP        := $(or $(USE_UPNP),no)
 DEBUG           := $(or $(DEBUG),yes)
 
+# for debugging purposes only, when commit hash needed in trunk builds in i2pd version string
+USE_GIT_VERSION := $(or $(USE_GIT_VERSION),no)
+
+# for MacOS only, waiting for "1", not "yes"
+HOMEBREW        := $(or $(HOMEBREW),0)
+
 ifeq ($(DEBUG),yes)
 	CXX_DEBUG = -g
 else
@@ -53,18 +60,19 @@ else ifneq (, $(findstring linux, $(SYS))$(findstring gnu, $(SYS)))
 else ifneq (, $(findstring freebsd, $(SYS))$(findstring openbsd, $(SYS)))
 	DAEMON_SRC += $(DAEMON_SRC_DIR)/UnixDaemon.cpp
 	include Makefile.bsd
-else ifneq (, $(findstring mingw, $(SYS))$(findstring cygwin, $(SYS)))
+else ifneq (, $(findstring mingw, $(SYS))$(findstring windows-gnu, $(SYS))$(findstring cygwin, $(SYS)))
-	DAEMON_SRC += Win32/DaemonWin32.cpp Win32/Win32App.cpp Win32/Win32NetState.cpp
+	DAEMON_SRC += Win32/DaemonWin32.cpp Win32/Win32App.cpp Win32/Win32Service.cpp Win32/Win32NetState.cpp
 	include Makefile.mingw
 else # not supported
 	$(error Not supported platform)
 endif
 
-ifeq ($(USE_MESHNET),yes)
+ifeq ($(USE_GIT_VERSION),yes)
-	NEEDED_CXXFLAGS += -DMESHNET
+	GIT_VERSION := $(shell git describe --tags)
+	NEEDED_CXXFLAGS += -DGITVER=\"$(GIT_VERSION)\"
 endif
 
-NEEDED_CXXFLAGS += -MMD -MP -I$(LIB_SRC_DIR) -I$(LIB_CLIENT_SRC_DIR) -I$(LANG_SRC_DIR)
+NEEDED_CXXFLAGS += -MMD -MP -I$(LIB_SRC_DIR) -I$(LIB_CLIENT_SRC_DIR) -I$(LANG_SRC_DIR) -DOPENSSL_SUPPRESS_DEPRECATED
 
 LIB_OBJS        += $(patsubst %.cpp,obj/%.o,$(LIB_SRC))
 LIB_CLIENT_OBJS += $(patsubst %.cpp,obj/%.o,$(LIB_CLIENT_SRC))

Makefile.homebrew

@@ -39,13 +39,19 @@ ifeq ($(USE_AESNI),yes)
 endif
 
 install: all
-	install -d ${PREFIX}/bin ${PREFIX}/etc/i2pd ${PREFIX}/share/doc/i2pd ${PREFIX}/share/i2pd ${PREFIX}/share/man/man1 ${PREFIX}/var/lib/i2pd
+	install -d ${PREFIX}/bin
-	install -m 755 ${I2PD} ${PREFIX}/bin/
+	install -m 755 ${I2PD} ${PREFIX}/bin
+	install -d ${PREFIX}/etc ${PREFIX}/etc/i2pd ${PREFIX}/etc/i2pd/tunnels.conf.d
 	install -m 644 contrib/i2pd.conf contrib/subscriptions.txt contrib/tunnels.conf ${PREFIX}/etc/i2pd
-	@cp -R contrib/certificates ${PREFIX}/share/i2pd/
+	install -d ${PREFIX}/share ${PREFIX}/share/doc ${PREFIX}/share/doc/i2pd
 	install -m 644 ChangeLog LICENSE README.md contrib/i2pd.conf contrib/subscriptions.txt contrib/tunnels.conf ${PREFIX}/share/doc/i2pd
-	@gzip debian/i2pd.1 && install debian/i2pd.1.gz ${PREFIX}/share/man/man1
+	install -d ${PREFIX}/share/i2pd
-	@ln -sf ${PREFIX}/share/i2pd/certificates ${PREFIX}/var/lib/i2pd/
+	@cp -R contrib/certificates ${PREFIX}/share/i2pd/
+	install -d ${PREFIX}/share/man ${PREFIX}/share/man/man1
+	@gzip -kf debian/i2pd.1 && install debian/i2pd.1.gz ${PREFIX}/share/man/man1
+	install -d ${PREFIX}/var ${PREFIX}/var/lib ${PREFIX}/var/lib/i2pd
+	@ln -sf ${PREFIX}/share/i2pd/certificates ${PREFIX}/var/lib/i2pd/certificates
+	@ln -sf ${PREFIX}/etc/i2pd/tunnels.conf.d ${PREFIX}/var/lib/i2pd/tunnels.d
 	@ln -sf ${PREFIX}/etc/i2pd/i2pd.conf ${PREFIX}/var/lib/i2pd/i2pd.conf
 	@ln -sf ${PREFIX}/etc/i2pd/subscriptions.txt ${PREFIX}/var/lib/i2pd/subscriptions.txt
 	@ln -sf ${PREFIX}/etc/i2pd/tunnels.conf ${PREFIX}/var/lib/i2pd/tunnels.conf

Makefile.linux

@@ -62,3 +62,21 @@ ifneq (, $(findstring i386, $(SYS))$(findstring i686, $(SYS))$(findstring x86_64
 	NEEDED_CXXFLAGS += -D__AES__ -maes
 endif
 endif
+
+install: all
+	install -d ${PREFIX}/bin
+	install -m 755 ${I2PD} ${PREFIX}/bin
+	install -d ${PREFIX}/etc ${PREFIX}/etc/i2pd ${PREFIX}/etc/i2pd/tunnels.conf.d
+	install -m 644 contrib/i2pd.conf contrib/subscriptions.txt contrib/tunnels.conf ${PREFIX}/etc/i2pd
+	install -d ${PREFIX}/share ${PREFIX}/share/doc ${PREFIX}/share/doc/i2pd
+	install -m 644 ChangeLog LICENSE README.md contrib/i2pd.conf contrib/subscriptions.txt contrib/tunnels.conf ${PREFIX}/share/doc/i2pd
+	install -d ${PREFIX}/share/i2pd
+	@cp -R contrib/certificates ${PREFIX}/share/i2pd/
+	install -d ${PREFIX}/share/man ${PREFIX}/share/man/man1
+	@gzip -kf debian/i2pd.1 && install debian/i2pd.1.gz ${PREFIX}/share/man/man1
+	install -d ${PREFIX}/var ${PREFIX}/var/lib ${PREFIX}/var/lib/i2pd
+	@ln -sf ${PREFIX}/share/i2pd/certificates ${PREFIX}/var/lib/i2pd/certificates
+	@ln -sf ${PREFIX}/etc/i2pd/tunnels.conf.d ${PREFIX}/var/lib/i2pd/tunnels.d
+	@ln -sf ${PREFIX}/etc/i2pd/i2pd.conf ${PREFIX}/var/lib/i2pd/i2pd.conf
+	@ln -sf ${PREFIX}/etc/i2pd/subscriptions.txt ${PREFIX}/var/lib/i2pd/subscriptions.txt
+	@ln -sf ${PREFIX}/etc/i2pd/tunnels.conf ${PREFIX}/var/lib/i2pd/tunnels.conf

Makefile.mingw

@@ -3,19 +3,11 @@ USE_WIN32_APP := yes
 
 WINDRES = windres
 
-CXXFLAGS := $(CXX_DEBUG) -DWIN32_LEAN_AND_MEAN -fPIC -msse
+CXXFLAGS := $(CXX_DEBUG) -fPIC -msse
 INCFLAGS = -I$(DAEMON_SRC_DIR) -IWin32
 LDFLAGS := ${LD_DEBUG} -static
 
-# detect proper flag for c++11 support by compilers
+NEEDED_CXXFLAGS += -std=c++17 -DWIN32_LEAN_AND_MEAN
-CXXVER := $(shell $(CXX) -dumpversion)
-ifeq ($(shell expr match ${CXXVER} "[4]\.[7-9]\|4\.1[0-9]\|[5-6]"),4) # gcc 4.7 - 6
-	NEEDED_CXXFLAGS += -std=c++11
-else ifeq ($(shell expr match ${CXXVER} "[1,7-9]"),1) # gcc >= 7
-	NEEDED_CXXFLAGS += -std=c++17
-else # not supported
-$(error Compiler too old)
-endif
 
 # Boost libraries suffix
 BOOST_SUFFIX = -mt

Win32/DaemonWin32.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -14,6 +14,7 @@
 #include "Log.h"
 
 #ifdef _WIN32
+#include "Win32Service.h"
 #ifdef WIN32_APP
 #include <windows.h>
 #include "Win32App.h"
@@ -39,6 +40,19 @@ namespace util
 
 		if (!Daemon_Singleton::init(argc, argv))
 			return false;
+
+		if (isDaemon)
+		{
+			LogPrint(eLogDebug, "Daemon: running as service");
+			I2PService service((PSTR)SERVICE_NAME);
+			if (!I2PService::Run(service))
+			{
+				LogPrint(eLogError, "Daemon: Service failed to run w/err 0x%08lx\n", GetLastError());
+				return false;
+			}
+			return false;
+		}
+
 		return true;
 	}
 

Win32/Resource.rc2

@@ -25,7 +25,7 @@ BEGIN
             VALUE "FileDescription", "C++ I2P daemon"
             VALUE "FileVersion", I2PD_VERSION
             VALUE "InternalName", CODENAME
-            VALUE "LegalCopyright", "Copyright (C) 2013-2020, The PurpleI2P Project"
+            VALUE "LegalCopyright", "Copyright (C) 2013-2022, The PurpleI2P Project"
             VALUE "OriginalFilename", "i2pd"
             VALUE "ProductName", "Purple I2P"
             VALUE "ProductVersion", I2P_VERSION

Win32/Win32App.cpp

@@ -31,6 +31,7 @@
 #define ID_RELOAD 2006
 #define ID_ACCEPT_TRANSIT 2007
 #define ID_DECLINE_TRANSIT 2008
+#define ID_DATADIR 2009
 
 #define ID_TRAY_ICON 2050
 #define WM_TRAYICON (WM_USER + 1)
@@ -49,7 +50,8 @@ namespace win32
 	{
 		HMENU hPopup = CreatePopupMenu();
 		InsertMenu (hPopup, -1, MF_BYPOSITION | MF_STRING, ID_CONSOLE, "Open &console");
-		InsertMenu (hPopup, -1, MF_BYPOSITION | MF_STRING, ID_APP, "Show app");
+		InsertMenu (hPopup, -1, MF_BYPOSITION | MF_STRING, ID_DATADIR, "Open &datadir");
+		InsertMenu (hPopup, -1, MF_BYPOSITION | MF_STRING, ID_APP, "&Show app");
 		InsertMenu (hPopup, -1, MF_BYPOSITION | MF_STRING, ID_ABOUT, "&About...");
 		InsertMenu (hPopup, -1, MF_BYPOSITION | MF_SEPARATOR, 0, NULL);
 		if(!i2p::context.AcceptsTunnels())
@@ -303,6 +305,12 @@ namespace win32
 						SetTimer(hWnd, FRAME_UPDATE_TIMER, 3000, NULL);
 						return 0;
 					}
+					case ID_DATADIR:
+					{
+						std::string datadir(i2p::fs::GetUTF8DataDir());
+						ShellExecute(NULL, "explore", datadir.c_str(), NULL, NULL, SW_SHOWNORMAL);
+						return 0;
+					}
 				}
 				break;
 			}

Win32/Win32NetState.cpp

@@ -32,7 +32,7 @@ void SubscribeToEvents()
 			Result = pNetworkListManager->IsConnectedToInternet(&IsConnect);
 			if (SUCCEEDED(Result)) {
 				i2p::transport::transports.SetOnline (true);
-				LogPrint(eLogInfo, "NetState: current state: ", IsConnect == VARIANT_TRUE ? "connected" : "disconnected");
+				LogPrint(eLogInfo, "NetState: Current state: ", IsConnect == VARIANT_TRUE ? "connected" : "disconnected");
 			}
 
 			Result = pNetworkListManager->QueryInterface(IID_IConnectionPointContainer, (void **)&pCPContainer);
@@ -79,7 +79,7 @@ void UnSubscribeFromEvents()
 	}
 	catch (std::exception& ex)
 	{
-		LogPrint (eLogError, "NetState: received exception: ", ex.what ());
+		LogPrint (eLogError, "NetState: Received exception: ", ex.what ());
 	}
 }
 

Win32/Win32Service.cpp

@@ -0,0 +1,283 @@
+/*
+* Copyright (c) 2013-2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#include "Win32Service.h"
+#include <assert.h>
+#include <windows.h>
+
+#include "Daemon.h"
+#include "Log.h"
+
+I2PService *I2PService::s_service = NULL;
+
+BOOL I2PService::isService()
+{
+	BOOL bIsService = FALSE;
+	HWINSTA hWinStation = GetProcessWindowStation();
+	if (hWinStation != NULL)
+	{
+		USEROBJECTFLAGS uof = { 0 };
+		if (GetUserObjectInformation(hWinStation, UOI_FLAGS, &uof, sizeof(USEROBJECTFLAGS), NULL) && ((uof.dwFlags & WSF_VISIBLE) == 0))
+		{
+			bIsService = TRUE;
+		}
+	}
+	return bIsService;
+}
+
+BOOL I2PService::Run(I2PService &service)
+{
+	s_service = &service;
+	SERVICE_TABLE_ENTRY serviceTable[] =
+	{
+		{ service.m_name, ServiceMain },
+		{ NULL, NULL }
+	};
+	return StartServiceCtrlDispatcher(serviceTable);
+}
+
+void WINAPI I2PService::ServiceMain(DWORD dwArgc, PSTR *pszArgv)
+{
+	assert(s_service != NULL);
+	s_service->m_statusHandle = RegisterServiceCtrlHandler(
+		s_service->m_name, ServiceCtrlHandler);
+	if (s_service->m_statusHandle == NULL)
+	{
+		throw GetLastError();
+	}
+	s_service->Start(dwArgc, pszArgv);
+}
+
+
+void WINAPI I2PService::ServiceCtrlHandler(DWORD dwCtrl)
+{
+	switch (dwCtrl)
+	{
+		case SERVICE_CONTROL_STOP: s_service->Stop(); break;
+		case SERVICE_CONTROL_PAUSE: s_service->Pause(); break;
+		case SERVICE_CONTROL_CONTINUE: s_service->Continue(); break;
+		case SERVICE_CONTROL_SHUTDOWN: s_service->Shutdown(); break;
+		case SERVICE_CONTROL_INTERROGATE: break;
+		default: break;
+	}
+}
+
+I2PService::I2PService(PSTR pszServiceName,
+	BOOL fCanStop,
+	BOOL fCanShutdown,
+	BOOL fCanPauseContinue)
+{
+	m_name = (pszServiceName == NULL) ? (PSTR)"" : pszServiceName;
+	m_statusHandle = NULL;
+	m_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
+	m_status.dwCurrentState = SERVICE_START_PENDING;
+
+	DWORD dwControlsAccepted = 0;
+	if (fCanStop)
+		dwControlsAccepted |= SERVICE_ACCEPT_STOP;
+	if (fCanShutdown)
+		dwControlsAccepted |= SERVICE_ACCEPT_SHUTDOWN;
+	if (fCanPauseContinue)
+		dwControlsAccepted |= SERVICE_ACCEPT_PAUSE_CONTINUE;
+
+	m_status.dwControlsAccepted = dwControlsAccepted;
+	m_status.dwWin32ExitCode = NO_ERROR;
+	m_status.dwServiceSpecificExitCode = 0;
+	m_status.dwCheckPoint = 0;
+	m_status.dwWaitHint = 0;
+	m_fStopping = FALSE;
+	// Create a manual-reset event that is not signaled at first to indicate
+	// the stopped signal of the service.
+	m_hStoppedEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+	if (m_hStoppedEvent == NULL)
+	{
+		throw GetLastError();
+	}
+}
+
+I2PService::~I2PService(void)
+{
+	if (m_hStoppedEvent)
+	{
+		CloseHandle(m_hStoppedEvent);
+		m_hStoppedEvent = NULL;
+	}
+}
+
+void I2PService::Start(DWORD dwArgc, PSTR *pszArgv)
+{
+	try
+	{
+		SetServiceStatus(SERVICE_START_PENDING);
+		OnStart(dwArgc, pszArgv);
+		SetServiceStatus(SERVICE_RUNNING);
+	}
+	catch (DWORD dwError)
+	{
+		LogPrint(eLogError, "Win32Service: Start error: ", dwError);
+		SetServiceStatus(SERVICE_STOPPED, dwError);
+	}
+	catch (...)
+	{
+		LogPrint(eLogError, "Win32Service: failed to start: ", EVENTLOG_ERROR_TYPE);
+		SetServiceStatus(SERVICE_STOPPED);
+	}
+}
+
+void I2PService::OnStart(DWORD dwArgc, PSTR *pszArgv)
+{
+	LogPrint(eLogInfo, "Win32Service: in OnStart (", EVENTLOG_INFORMATION_TYPE, ")");
+	Daemon.start();
+	_worker = new std::thread(std::bind(&I2PService::WorkerThread, this));
+}
+
+void I2PService::WorkerThread()
+{
+	while (!m_fStopping)
+	{
+		::Sleep(1000); // Simulate some lengthy operations.
+	}
+	// Signal the stopped event.
+	SetEvent(m_hStoppedEvent);
+}
+
+void I2PService::Stop()
+{
+	DWORD dwOriginalState = m_status.dwCurrentState;
+	try
+	{
+		SetServiceStatus(SERVICE_STOP_PENDING);
+		OnStop();
+		SetServiceStatus(SERVICE_STOPPED);
+	}
+	catch (DWORD dwError)
+	{
+		LogPrint(eLogInfo, "Win32Service: Stop error: ", dwError);
+		SetServiceStatus(dwOriginalState);
+	}
+	catch (...)
+	{
+		LogPrint(eLogError, "Win32Service: Failed to stop: ", EVENTLOG_ERROR_TYPE);
+		SetServiceStatus(dwOriginalState);
+	}
+}
+
+void I2PService::OnStop()
+{
+	// Log a service stop message to the Application log.
+	LogPrint(eLogInfo, "Win32Service: in OnStop (", EVENTLOG_INFORMATION_TYPE, ")");
+	Daemon.stop();
+	m_fStopping = TRUE;
+	if (WaitForSingleObject(m_hStoppedEvent, INFINITE) != WAIT_OBJECT_0)
+	{
+		throw GetLastError();
+	}
+	_worker->join();
+	delete _worker;
+}
+
+void I2PService::Pause()
+{
+	try
+	{
+		SetServiceStatus(SERVICE_PAUSE_PENDING);
+		OnPause();
+		SetServiceStatus(SERVICE_PAUSED);
+	}
+	catch (DWORD dwError)
+	{
+		LogPrint(eLogError, "Win32Service: Pause error: ", dwError);
+		SetServiceStatus(SERVICE_RUNNING);
+	}
+	catch (...)
+	{
+		LogPrint(eLogError, "Win32Service: Failed to pause: ", EVENTLOG_ERROR_TYPE);
+		SetServiceStatus(SERVICE_RUNNING);
+	}
+}
+
+void I2PService::OnPause()
+{
+}
+
+void I2PService::Continue()
+{
+	try
+	{
+		SetServiceStatus(SERVICE_CONTINUE_PENDING);
+		OnContinue();
+		SetServiceStatus(SERVICE_RUNNING);
+	}
+	catch (DWORD dwError)
+	{
+		LogPrint(eLogError, "Win32Service: Continue error: ", dwError);
+		SetServiceStatus(SERVICE_PAUSED);
+	}
+	catch (...)
+	{
+		LogPrint(eLogError, "Win32Service: Failed to resume: ", EVENTLOG_ERROR_TYPE);
+		SetServiceStatus(SERVICE_PAUSED);
+	}
+}
+
+void I2PService::OnContinue()
+{
+}
+
+void I2PService::Shutdown()
+{
+	try
+	{
+		OnShutdown();
+		SetServiceStatus(SERVICE_STOPPED);
+	}
+	catch (DWORD dwError)
+	{
+		LogPrint(eLogError, "Win32Service: Shutdown error: ", dwError);
+	}
+	catch (...)
+	{
+		LogPrint(eLogError, "Win32Service: Failed to shut down: ", EVENTLOG_ERROR_TYPE);
+	}
+}
+
+void I2PService::OnShutdown()
+{
+}
+
+void I2PService::SetServiceStatus(DWORD dwCurrentState,
+	DWORD dwWin32ExitCode,
+	DWORD dwWaitHint)
+{
+	static DWORD dwCheckPoint = 1;
+	m_status.dwCurrentState = dwCurrentState;
+	m_status.dwWin32ExitCode = dwWin32ExitCode;
+	m_status.dwWaitHint = dwWaitHint;
+	m_status.dwCheckPoint =
+		((dwCurrentState == SERVICE_RUNNING) ||
+		(dwCurrentState == SERVICE_STOPPED)) ?
+		0 : dwCheckPoint++;
+
+	::SetServiceStatus(m_statusHandle, &m_status);
+}
+
+//*****************************************************************************
+
+void FreeHandles(SC_HANDLE schSCManager, SC_HANDLE schService)
+{
+	if (schSCManager)
+	{
+		CloseServiceHandle(schSCManager);
+		schSCManager = NULL;
+	}
+	if (schService)
+	{
+		CloseServiceHandle(schService);
+		schService = NULL;
+	}
+}

Win32/Win32Service.h

@@ -0,0 +1,63 @@
+/*
+* Copyright (c) 2013-2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#ifndef WIN_32_SERVICE_H__
+#define WIN_32_SERVICE_H__
+
+#include <thread>
+#include <windows.h>
+
+#define SERVICE_NAME "i2pdService"
+
+class I2PService
+{
+	public:
+
+		I2PService(PSTR pszServiceName,
+			BOOL fCanStop = TRUE,
+			BOOL fCanShutdown = TRUE,
+			BOOL fCanPauseContinue = FALSE);
+
+		virtual ~I2PService(void);
+
+		static BOOL isService();
+		static BOOL Run(I2PService &service);
+		void Stop();
+
+	protected:
+
+		virtual void OnStart(DWORD dwArgc, PSTR *pszArgv);
+		virtual void OnStop();
+		virtual void OnPause();
+		virtual void OnContinue();
+		virtual void OnShutdown();
+		void SetServiceStatus(DWORD dwCurrentState,
+			DWORD dwWin32ExitCode = NO_ERROR,
+			DWORD dwWaitHint = 0);
+
+	private:
+
+		static void WINAPI ServiceMain(DWORD dwArgc, LPSTR *lpszArgv);
+		static void WINAPI ServiceCtrlHandler(DWORD dwCtrl);
+		void WorkerThread();
+		void Start(DWORD dwArgc, PSTR *pszArgv);
+		void Pause();
+		void Continue();
+		void Shutdown();
+		static I2PService* s_service;
+		PSTR m_name;
+		SERVICE_STATUS m_status;
+		SERVICE_STATUS_HANDLE m_statusHandle;
+
+		BOOL m_fStopping;
+		HANDLE m_hStoppedEvent;
+
+		std::thread* _worker;
+};
+
+#endif // WIN_32_SERVICE_H__

build/CMakeLists.txt

@@ -1,6 +1,5 @@
-cmake_minimum_required(VERSION 2.8.12)
+cmake_minimum_required(VERSION 3.7)
-# this addresses CMP0059 with CMake > 3.3 for PCH flags
+cmake_policy(VERSION 3.7)
-cmake_policy(VERSION 2.8.12)
 project("i2pd")
 
 # for debugging
@@ -18,14 +17,13 @@ option(WITH_LIBRARY         "Build library"                           ON)
 option(WITH_BINARY          "Build binary"                            ON)
 option(WITH_STATIC          "Static build"                            OFF)
 option(WITH_UPNP            "Include support for UPnP client"         OFF)
-option(WITH_PCH             "Use precompiled header"                  OFF)
+option(WITH_GIT_VERSION     "Use git commit info as version"          OFF)
-option(WITH_MESHNET         "Build for cjdns test network"            OFF)
 option(WITH_ADDRSANITIZER   "Build with address sanitizer unix only"  OFF)
 option(WITH_THREADSANITIZER "Build with thread sanitizer unix only"   OFF)
 
 # paths
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules")
-set(CMAKE_SOURCE_DIR "..")
+set(CMAKE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
 
 #Handle paths nicely
 include(GNUInstallDirs)
@@ -91,14 +89,20 @@ set(DAEMON_SRC
   "${DAEMON_SRC_DIR}/UPnP.cpp"
 )
 
-if(WITH_MESHNET)
-  add_definitions(-DMESHNET)
-endif()
-
 if(WITH_UPNP)
   add_definitions(-DUSE_UPNP)
 endif()
 
+if(WITH_GIT_VERSION)
+  include(GetGitRevisionDescription)
+  git_describe(GIT_VERSION)
+  add_definitions(-DGITVER="${GIT_VERSION}")
+endif()
+
+if(APPLE)
+  add_definitions(-DMAC_OSX)
+endif()
+
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Winvalid-pch -Wno-unused-parameter")
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -pedantic")
 # TODO: The following is incompatible with static build and enabled hardening for OpenWRT.
@@ -168,24 +172,13 @@ endif()
 
 
 # libraries
-# TODO: once CMake 3.1+ becomes mainstream, see e.g. http://stackoverflow.com/a/29871891/673826
-# use imported Threads::Threads instead
 set(THREADS_PREFER_PTHREAD_FLAG ON)
-if(IOS)
-  set(CMAKE_THREAD_LIBS_INIT "-lpthread")
-  set(CMAKE_HAVE_THREADS_LIBRARY 1)
-  set(CMAKE_USE_WIN32_THREADS_INIT 0)
-  set(CMAKE_USE_PTHREADS_INIT 1)
-else()
 find_package(Threads REQUIRED)
-endif()
-if(THREADS_HAVE_PTHREAD_ARG) # compile time flag
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
-endif()
 
 if(WITH_STATIC)
   set(Boost_USE_STATIC_LIBS ON)
   set(Boost_USE_STATIC_RUNTIME ON)
+  set(OPENSSL_USE_STATIC_LIBS ON)
   set(BUILD_SHARED_LIBS OFF)
   if(${CMAKE_CXX_COMPILER} MATCHES ".*-openwrt-.*")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
@@ -200,23 +193,6 @@ else()
   add_definitions(-DBOOST_SYSTEM_DYN_LINK -DBOOST_FILESYSTEM_DYN_LINK -DBOOST_PROGRAM_OPTIONS_DYN_LINK -DBOOST_DATE_TIME_DYN_LINK -DBOOST_REGEX_DYN_LINK)
 endif()
 
-if(WITH_PCH)
-  include_directories(BEFORE ${CMAKE_BINARY_DIR})
-  add_library(stdafx STATIC "${LIBI2PD_SRC_DIR}/stdafx.cpp")
-  string(TOUPPER ${CMAKE_BUILD_TYPE} BTU)
-  get_directory_property(DEFS DEFINITIONS)
-  string(REPLACE " " ";" FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BTU}} ${DEFS}")
-  add_custom_command(TARGET stdafx PRE_BUILD
-    COMMAND ${CMAKE_CXX_COMPILER} ${FLAGS} -c ${CMAKE_CURRENT_SOURCE_DIR}/../libi2pd/stdafx.h -o ${CMAKE_BINARY_DIR}/stdafx.h.gch
-  )
-  target_compile_options(libi2pd PRIVATE -include libi2pd/stdafx.h)
-  target_compile_options(libi2pdclient PRIVATE -include libi2pd/stdafx.h)
-  target_compile_options(libi2pdlang PRIVATE -include libi2pd/stdafx.h)
-  target_link_libraries(libi2pd stdafx)
-endif()
-
-target_link_libraries(libi2pdclient libi2pd libi2pdlang)
-
 find_package(Boost COMPONENTS system filesystem program_options date_time REQUIRED)
 if(NOT DEFINED Boost_INCLUDE_DIRS)
   message(SEND_ERROR "Boost is not found, or your boost version was below 1.46. Please download Boost!")
@@ -227,6 +203,10 @@ if(NOT DEFINED OPENSSL_INCLUDE_DIR)
   message(SEND_ERROR "Could not find OpenSSL. Please download and install it first!")
 endif()
 
+if(OPENSSL_VERSION VERSION_GREATER_EQUAL "3.0.0")
+  add_definitions(-DOPENSSL_SUPPRESS_DEPRECATED)
+endif()
+
 if(WITH_UPNP)
   find_package(MiniUPnPc REQUIRED)
   if(NOT MINIUPNPC_FOUND)
@@ -244,15 +224,7 @@ endif()
 # load includes
 include_directories(SYSTEM ${Boost_INCLUDE_DIRS} ${OPENSSL_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
 
-# warn if for meshnet
-if(WITH_MESHNET)
-  message(STATUS "Building for testnet")
-  message(WARNING "This build will NOT work on mainline i2p")
-endif()
-
-if(NOT MSYS)
 include(CheckAtomic)
-endif()
 
 # show summary
 message(STATUS "---------------------------------------")
@@ -269,8 +241,7 @@ message(STATUS "  LIBRARY          : ${WITH_LIBRARY}")
 message(STATUS "  BINARY           : ${WITH_BINARY}")
 message(STATUS "  STATIC BUILD     : ${WITH_STATIC}")
 message(STATUS "  UPnP             : ${WITH_UPNP}")
-message(STATUS "  PCH              : ${WITH_PCH}")
+message(STATUS "  GIT VERSION      : ${WITH_GIT_VERSION}")
-message(STATUS "  MESHNET          : ${WITH_MESHNET}")
 message(STATUS "  ADDRSANITIZER    : ${WITH_ADDRSANITIZER}")
 message(STATUS "  THREADSANITIZER  : ${WITH_THREADSANITIZER}")
 message(STATUS "---------------------------------------")
@@ -282,31 +253,21 @@ if(WITH_BINARY)
     set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-static")
   endif()
 
-  if(WITH_PCH)
-    target_compile_options("${PROJECT_NAME}" PRIVATE -include libi2pd/stdafx.h)
-  endif()
-
   if(WITH_HARDENING AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "-z relro -z now")
   endif()
 
-  if(WITH_UPNP)
-    set(UPNP_LIB ${MINIUPNPC_LIBRARY})
-  endif()
-
   # FindBoost pulls pthread for thread which is broken for static linking at least on Ubuntu 15.04
   list(GET Boost_LIBRARIES -1 LAST_Boost_LIBRARIES)
   if(${LAST_Boost_LIBRARIES} MATCHES ".*pthread.*")
     list(REMOVE_AT Boost_LIBRARIES -1)
   endif()
 
-
   if(WITH_STATIC)
     set(DL_LIB ${CMAKE_DL_LIBS})
   endif()
 
-  target_link_libraries(libi2pd ${Boost_LIBRARIES} ${ZLIB_LIBRARY})
+  target_link_libraries("${PROJECT_NAME}" libi2pd libi2pdclient libi2pdlang ${DL_LIB} ${Boost_LIBRARIES} OpenSSL::SSL OpenSSL::Crypto ${MINIUPNPC_LIBRARY} ZLIB::ZLIB Threads::Threads ${DL_LIB} ${CMAKE_REQUIRED_LIBRARIES})
-  target_link_libraries("${PROJECT_NAME}" libi2pd libi2pdclient libi2pdlang ${DL_LIB} ${Boost_LIBRARIES} ${OPENSSL_LIBRARIES} ${UPNP_LIB} ${ZLIB_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${MINGW_EXTRA} ${DL_LIB} ${CMAKE_REQUIRED_LIBRARIES})
 
   install(TARGETS "${PROJECT_NAME}" RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT Runtime)
   set(APPS "\${CMAKE_INSTALL_PREFIX}/bin/${PROJECT_NAME}${CMAKE_EXECUTABLE_SUFFIX}")

build/build_mingw.cmd

@@ -2,26 +2,25 @@
 setlocal enableextensions enabledelayedexpansion
 title Building i2pd
 
-REM Copyright (c) 2013-2020, The PurpleI2P Project
+REM Copyright (c) 2013-2022, The PurpleI2P Project
 REM This file is part of Purple i2pd project and licensed under BSD3
 REM See full license text in LICENSE file at top of project tree
 
 REM To use that script, you must have installed in your MSYS installation these packages:
 REM Base: git make zip
-REM x86_64: mingw-w64-x86_64-boost mingw-w64-x86_64-openssl mingw-w64-x86_64-gcc
+REM UCRT64: mingw-w64-ucrt-x86_64-boost mingw-w64-ucrt-x86_64-openssl mingw-w64-ucrt-x86_64-gcc
-REM i686: mingw-w64-i686-boost mingw-w64-i686-openssl mingw-w64-i686-gcc
+REM MINGW32: mingw-w64-i686-boost mingw-w64-i686-openssl mingw-w64-i686-gcc
 
 REM setting up variables for MSYS
-REM Note: if you installed MSYS64 to different path, edit WD variable (only C:\msys64 needed to edit)!
+REM Note: if you installed MSYS64 to different path, edit WD variable (only C:\msys64 needed to edit)
-set "WD=C:\msys64\usr\bin\"
 set MSYS2_PATH_TYPE=inherit
 set CHERE_INVOKING=enabled_from_arguments
-REM set MSYSTEM=MSYS
 set MSYSTEM=MINGW32
 
+set "WD=C:\msys64\usr\bin\"
 set "xSH=%WD%bash -lc"
 
-set "FILELIST=i2pd.exe README.txt contrib/i2pd.conf contrib/tunnels.conf contrib/certificates contrib/tunnels.d"
+set "FILELIST=i2pd.exe README.txt contrib/i2pd.conf contrib/tunnels.conf contrib/certificates contrib/tunnels.d contrib/webconsole"
 
 REM detecting number of processors
 set /a threads=%NUMBER_OF_PROCESSORS%
@@ -34,38 +33,73 @@ del /S build_*.log >> nul 2>&1
 
 echo Receiving latest commit and cleaning up...
 %xSH% "git checkout contrib/* && git pull && make clean" > build\build.log 2>&1
-echo.
 
 REM set to variable current commit hash
-FOR /F "usebackq" %%a IN (`%xSH% 'git describe --tags'`) DO (
+for /F "usebackq" %%a in (`%xSH% "git describe --tags"`) DO (
  set tag=%%a
 )
 
+REM set to variable latest released tag
+for /F "usebackq" %%b in (`%xSH% "git describe --abbrev=0"`) DO (
+ set reltag=%%b
+)
+
+echo Preparing configuration files and README for packaging...
+
 %xSH% "echo To use configs and certificates, move all files and certificates folder from contrib directory here. > README.txt" >> nul
 
-REM converting configuration files to DOS format (usable in default notepad)
+REM converting configuration files to DOS format (make usable in Windows Notepad)
-%xSH% "unix2dos contrib/i2pd.conf contrib/tunnels.conf contrib/tunnels.d/*" >> build\build.log 2>&1
+%xSH% "unix2dos contrib/i2pd.conf contrib/tunnels.conf contrib/tunnels.d/* contrib/webconsole/style.css" >> build\build.log 2>&1
+
+REM Prepare binary signing command if signing key and password provided
+if defined SIGN (
+  echo Signing enabled
+
+  for %%X in (signtool.exe) do (set xSIGNTOOL=%%~$PATH:X)
+  if not defined xSIGNTOOL (
+    if not defined SIGNTOOL (
+      echo Error: Can't find signtool. Please provide path to binary using SIGNTOOL variable.
+      exit /b 1
+    ) else (
+      set "xSIGNTOOL=%SIGNTOOL%"
+    )
+  )
+
+  if defined SIGNKEY (
+    set "xSIGNKEYOPTS=/f ^"%SIGNKEY%^""
+  )
+
+  if defined SIGNPASS (
+    set "xSIGNPASSOPTS=/p ^"%SIGNPASS%^""
+  )
+
+  set "xSIGNOPTS=sign /tr http://timestamp.digicert.com /td sha256 /fd sha256 %xSIGNKEYOPTS% %xSIGNPASSOPTS%"
+)
 
 REM starting building
 set MSYSTEM=MINGW32
 set bitness=32
 call :BUILDING
 
-set MSYSTEM=MINGW64
+set MSYSTEM=UCRT64
 set bitness=64
 call :BUILDING
 
-REM building for WinXP
+REM build for Windows XP
-set "WD=C:\msys64-xp\usr\bin\"
+if exist C:\msys64-xp\ ( call :BUILDING_XP )
-set MSYSTEM=MINGW32
+
-set bitness=32
-set "xSH=%WD%bash -lc"
-call :BUILDING_XP
 echo.
 
 REM compile installer
-C:\PROGRA~2\INNOSE~1\ISCC.exe /dI2Pd_TextVer="%tag%" /dI2Pd_Ver="%tag%.0" build\win_installer.iss >> build\build.log 2>&1
+echo Building installer...
+C:\PROGRA~2\INNOSE~1\ISCC.exe /dI2Pd_TextVer="%tag%" /dI2Pd_Ver="%reltag%.0" build\win_installer.iss >> build\build.log 2>&1
 
+REM Sign binary
+if defined xSIGNOPTS (
+  "%xSIGNTOOL%" %xSIGNOPTS% build\setup_i2pd_v%tag%.exe
+)
+
+%xSH% "git checkout contrib/*" >> build\build.log 2>&1
 del README.txt i2pd_x32.exe i2pd_x64.exe i2pd_xp.exe >> nul
 
 echo Build complete...
@@ -74,13 +108,42 @@ exit /b 0
 
 :BUILDING
 %xSH% "make clean" >> nul
-echo Building i2pd %tag% for win%bitness%
+echo Building i2pd %tag% for win%bitness%...
-%xSH% "make DEBUG=no USE_UPNP=yes -j%threads% && cp i2pd.exe i2pd_x%bitness%.exe && zip -r9 build/i2pd_%tag%_win%bitness%_mingw.zip %FILELIST% && make clean" > build\build_win%bitness%_%tag%.log 2>&1
+REM Build i2pd
+%xSH% "make DEBUG=no USE_UPNP=yes -j%threads%" > build\build_win%bitness%_%tag%.log 2>&1
+
+REM Sign binary
+if defined xSIGNOPTS (
+  "%xSIGNTOOL%" %xSIGNOPTS% i2pd.exe
+)
+
+REM Copy binary for installer and create distribution archive
+%xSH% "cp i2pd.exe i2pd_x%bitness%.exe && zip -r9 build/i2pd_%tag%_win%bitness%_mingw.zip %FILELIST%" >> build\build_win%bitness%_%tag%.log 2>&1
+
+REM Clean work directory
+%xSH% "make clean" >> build\build_win%bitness%_%tag%.log 2>&1
 goto EOF
 
 :BUILDING_XP
+set MSYSTEM=MINGW32
+set bitness=32
+set "WD=C:\msys64-xp\usr\bin\"
+set "xSH=%WD%bash -lc"
+
 %xSH% "make clean" >> nul
-echo Building i2pd %tag% for winxp
+echo Building i2pd %tag% for winxp...
-%xSH% "make DEBUG=no USE_UPNP=yes USE_WINXP_FLAGS=yes -j%threads% && cp i2pd.exe i2pd_xp.exe && zip -r9 build/i2pd_%tag%_winxp_mingw.zip %FILELIST% && make clean" > build\build_winxp_%tag%.log 2>&1
+%xSH% "make DEBUG=no USE_UPNP=yes USE_WINXP_FLAGS=yes -j%threads%" > build\build_winxp_%tag%.log 2>&1
+
+REM Sign binary
+if defined xSIGNOPTS (
+  "%xSIGNTOOL%" %xSIGNOPTS% i2pd.exe
+)
+
+REM Copy binary for installer and create distribution archive
+%xSH% "cp i2pd.exe i2pd_xp.exe && zip -r9 build/i2pd_%tag%_winxp_mingw.zip %FILELIST%" >> build\build_winxp_%tag%.log 2>&1
+
+REM Clean work directory
+%xSH% "make clean" >> build\build_winxp_%tag%.log 2>&1
+goto EOF
 
 :EOF

build/cmake_modules/GetGitRevisionDescription.cmake

@@ -0,0 +1,284 @@
+# - Returns a version string from Git
+#
+# These functions force a re-configure on each git commit so that you can
+# trust the values of the variables in your build system.
+#
+#  get_git_head_revision(<refspecvar> <hashvar> [ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR])
+#
+# Returns the refspec and sha hash of the current head revision
+#
+#  git_describe(<var> [<additional arguments to git describe> ...])
+#
+# Returns the results of git describe on the source tree, and adjusting
+# the output so that it tests false if an error occurs.
+#
+#  git_describe_working_tree(<var> [<additional arguments to git describe> ...])
+#
+# Returns the results of git describe on the working tree (--dirty option),
+# and adjusting the output so that it tests false if an error occurs.
+#
+#  git_get_exact_tag(<var> [<additional arguments to git describe> ...])
+#
+# Returns the results of git describe --exact-match on the source tree,
+# and adjusting the output so that it tests false if there was no exact
+# matching tag.
+#
+#  git_local_changes(<var>)
+#
+# Returns either "CLEAN" or "DIRTY" with respect to uncommitted changes.
+# Uses the return code of "git diff-index --quiet HEAD --".
+# Does not regard untracked files.
+#
+# Requires CMake 2.6 or newer (uses the 'function' command)
+#
+# Original Author:
+# 2009-2020 Ryan Pavlik <ryan.pavlik@gmail.com> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+#
+# Copyright 2009-2013, Iowa State University.
+# Copyright 2013-2020, Ryan Pavlik
+# Copyright 2013-2020, Contributors
+# SPDX-License-Identifier: BSL-1.0
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+if(__get_git_revision_description)
+    return()
+endif()
+set(__get_git_revision_description YES)
+
+# We must run the following at "include" time, not at function call time,
+# to find the path to this module rather than the path to a calling list file
+get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH)
+
+# Function _git_find_closest_git_dir finds the next closest .git directory
+# that is part of any directory in the path defined by _start_dir.
+# The result is returned in the parent scope variable whose name is passed
+# as variable _git_dir_var. If no .git directory can be found, the
+# function returns an empty string via _git_dir_var.
+#
+# Example: Given a path C:/bla/foo/bar and assuming C:/bla/.git exists and
+# neither foo nor bar contain a file/directory .git. This wil return
+# C:/bla/.git
+#
+function(_git_find_closest_git_dir _start_dir _git_dir_var)
+    set(cur_dir "${_start_dir}")
+    set(git_dir "${_start_dir}/.git")
+    while(NOT EXISTS "${git_dir}")
+        # .git dir not found, search parent directories
+        set(git_previous_parent "${cur_dir}")
+        get_filename_component(cur_dir "${cur_dir}" DIRECTORY)
+        if(cur_dir STREQUAL git_previous_parent)
+            # We have reached the root directory, we are not in git
+            set(${_git_dir_var}
+                ""
+                PARENT_SCOPE)
+            return()
+        endif()
+        set(git_dir "${cur_dir}/.git")
+    endwhile()
+    set(${_git_dir_var}
+        "${git_dir}"
+        PARENT_SCOPE)
+endfunction()
+
+function(get_git_head_revision _refspecvar _hashvar)
+    _git_find_closest_git_dir("${CMAKE_CURRENT_SOURCE_DIR}" GIT_DIR)
+
+    if("${ARGN}" STREQUAL "ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR")
+        set(ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR TRUE)
+    else()
+        set(ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR FALSE)
+    endif()
+    if(NOT "${GIT_DIR}" STREQUAL "")
+        file(RELATIVE_PATH _relative_to_source_dir "${CMAKE_SOURCE_DIR}"
+             "${GIT_DIR}")
+        if("${_relative_to_source_dir}" MATCHES "[.][.]" AND NOT ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR)
+            # We've gone above the CMake root dir.
+            set(GIT_DIR "")
+        endif()
+    endif()
+    if("${GIT_DIR}" STREQUAL "")
+        set(${_refspecvar}
+            "GITDIR-NOTFOUND"
+            PARENT_SCOPE)
+        set(${_hashvar}
+            "GITDIR-NOTFOUND"
+            PARENT_SCOPE)
+        return()
+    endif()
+
+    # Check if the current source dir is a git submodule or a worktree.
+    # In both cases .git is a file instead of a directory.
+    #
+    if(NOT IS_DIRECTORY ${GIT_DIR})
+        # The following git command will return a non empty string that
+        # points to the super project working tree if the current
+        # source dir is inside a git submodule.
+        # Otherwise the command will return an empty string.
+        #
+        execute_process(
+            COMMAND "${GIT_EXECUTABLE}" rev-parse
+                    --show-superproject-working-tree
+            WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+            OUTPUT_VARIABLE out
+            ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
+        if(NOT "${out}" STREQUAL "")
+            # If out is empty, GIT_DIR/CMAKE_CURRENT_SOURCE_DIR is in a submodule
+            file(READ ${GIT_DIR} submodule)
+            string(REGEX REPLACE "gitdir: (.*)$" "\\1" GIT_DIR_RELATIVE
+                                 ${submodule})
+            string(STRIP ${GIT_DIR_RELATIVE} GIT_DIR_RELATIVE)
+            get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH)
+            get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE}
+                                   ABSOLUTE)
+            set(HEAD_SOURCE_FILE "${GIT_DIR}/HEAD")
+        else()
+            # GIT_DIR/CMAKE_CURRENT_SOURCE_DIR is in a worktree
+            file(READ ${GIT_DIR} worktree_ref)
+            # The .git directory contains a path to the worktree information directory
+            # inside the parent git repo of the worktree.
+            #
+            string(REGEX REPLACE "gitdir: (.*)$" "\\1" git_worktree_dir
+                                 ${worktree_ref})
+            string(STRIP ${git_worktree_dir} git_worktree_dir)
+            _git_find_closest_git_dir("${git_worktree_dir}" GIT_DIR)
+            set(HEAD_SOURCE_FILE "${git_worktree_dir}/HEAD")
+        endif()
+    else()
+        set(HEAD_SOURCE_FILE "${GIT_DIR}/HEAD")
+    endif()
+    set(GIT_DATA "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/git-data")
+    if(NOT EXISTS "${GIT_DATA}")
+        file(MAKE_DIRECTORY "${GIT_DATA}")
+    endif()
+
+    if(NOT EXISTS "${HEAD_SOURCE_FILE}")
+        return()
+    endif()
+    set(HEAD_FILE "${GIT_DATA}/HEAD")
+    configure_file("${HEAD_SOURCE_FILE}" "${HEAD_FILE}" COPYONLY)
+
+    configure_file("${_gitdescmoddir}/GetGitRevisionDescription.cmake.in"
+                   "${GIT_DATA}/grabRef.cmake" @ONLY)
+    include("${GIT_DATA}/grabRef.cmake")
+
+    set(${_refspecvar}
+        "${HEAD_REF}"
+        PARENT_SCOPE)
+    set(${_hashvar}
+        "${HEAD_HASH}"
+        PARENT_SCOPE)
+endfunction()
+
+function(git_describe _var)
+    if(NOT GIT_FOUND)
+        find_package(Git QUIET)
+    endif()
+    get_git_head_revision(refspec hash)
+    if(NOT GIT_FOUND)
+        set(${_var}
+            "GIT-NOTFOUND"
+            PARENT_SCOPE)
+        return()
+    endif()
+    if(NOT hash)
+        set(${_var}
+            "HEAD-HASH-NOTFOUND"
+            PARENT_SCOPE)
+        return()
+    endif()
+
+    # TODO sanitize
+    #if((${ARGN}" MATCHES "&&") OR
+    #	(ARGN MATCHES "||") OR
+    #	(ARGN MATCHES "\\;"))
+    #	message("Please report the following error to the project!")
+    #	message(FATAL_ERROR "Looks like someone's doing something nefarious with git_describe! Passed arguments ${ARGN}")
+    #endif()
+
+    #message(STATUS "Arguments to execute_process: ${ARGN}")
+
+    execute_process(
+        COMMAND "${GIT_EXECUTABLE}" describe --tags --always ${hash} ${ARGN}
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+        RESULT_VARIABLE res
+        OUTPUT_VARIABLE out
+        ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if(NOT res EQUAL 0)
+        set(out "${out}-${res}-NOTFOUND")
+    endif()
+
+    set(${_var}
+        "${out}"
+        PARENT_SCOPE)
+endfunction()
+
+function(git_describe_working_tree _var)
+    if(NOT GIT_FOUND)
+        find_package(Git QUIET)
+    endif()
+    if(NOT GIT_FOUND)
+        set(${_var}
+            "GIT-NOTFOUND"
+            PARENT_SCOPE)
+        return()
+    endif()
+
+    execute_process(
+        COMMAND "${GIT_EXECUTABLE}" describe --dirty ${ARGN}
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+        RESULT_VARIABLE res
+        OUTPUT_VARIABLE out
+        ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if(NOT res EQUAL 0)
+        set(out "${out}-${res}-NOTFOUND")
+    endif()
+
+    set(${_var}
+        "${out}"
+        PARENT_SCOPE)
+endfunction()
+
+function(git_get_exact_tag _var)
+    git_describe(out --exact-match ${ARGN})
+    set(${_var}
+        "${out}"
+        PARENT_SCOPE)
+endfunction()
+
+function(git_local_changes _var)
+    if(NOT GIT_FOUND)
+        find_package(Git QUIET)
+    endif()
+    get_git_head_revision(refspec hash)
+    if(NOT GIT_FOUND)
+        set(${_var}
+            "GIT-NOTFOUND"
+            PARENT_SCOPE)
+        return()
+    endif()
+    if(NOT hash)
+        set(${_var}
+            "HEAD-HASH-NOTFOUND"
+            PARENT_SCOPE)
+        return()
+    endif()
+
+    execute_process(
+        COMMAND "${GIT_EXECUTABLE}" diff-index --quiet HEAD --
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+        RESULT_VARIABLE res
+        OUTPUT_VARIABLE out
+        ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if(res EQUAL 0)
+        set(${_var}
+            "CLEAN"
+            PARENT_SCOPE)
+    else()
+        set(${_var}
+            "DIRTY"
+            PARENT_SCOPE)
+    endif()
+endfunction()

build/cmake_modules/GetGitRevisionDescription.cmake.in

@@ -0,0 +1,43 @@
+#
+# Internal file for GetGitRevisionDescription.cmake
+#
+# Requires CMake 2.6 or newer (uses the 'function' command)
+#
+# Original Author:
+# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
+# http://academic.cleardefinition.com
+# Iowa State University HCI Graduate Program/VRAC
+#
+# Copyright 2009-2012, Iowa State University
+# Copyright 2011-2015, Contributors
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+# SPDX-License-Identifier: BSL-1.0
+
+set(HEAD_HASH)
+
+file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024)
+
+string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS)
+if(HEAD_CONTENTS MATCHES "ref")
+	# named branch
+	string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}")
+	if(EXISTS "@GIT_DIR@/${HEAD_REF}")
+		configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY)
+	else()
+		configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY)
+		file(READ "@GIT_DATA@/packed-refs" PACKED_REFS)
+		if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}")
+			set(HEAD_HASH "${CMAKE_MATCH_1}")
+		endif()
+	endif()
+else()
+	# detached HEAD
+	configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY)
+endif()
+
+if(NOT HEAD_HASH)
+	file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024)
+	string(STRIP "${HEAD_HASH}" HEAD_HASH)
+endif()

build/cmake_modules/TargetArch.cmake

@@ -1,16 +1,30 @@
+# Copyright (c) 2017-2022, The PurpleI2P Project
+# This file is part of Purple i2pd project and licensed under BSD3
+# See full license text in LICENSE file at top of project tree
+
 # Based on the Qt 5 processor detection code, so should be very accurate
-# https://qt.gitorious.org/qt/qtbase/blobs/master/src/corelib/global/qprocessordetection.h
+# https://github.com/qt/qtbase/blob/dev/src/corelib/global/qprocessordetection.h
-# Currently handles arm (v5, v6, v7), x86 (32/64), ia64, and ppc (32/64)
+# Currently handles arm (v5, v6, v7, v8), x86 (32/64), ia64, mips (32/64, mipsel, mips64el) and ppc (32/64)
 
 # Regarding POWER/PowerPC, just as is noted in the Qt source,
 # "There are many more known variants/revisions that we do not handle/detect."
 
 set(archdetect_c_code "
-#if defined(__arm__) || defined(__TARGET_ARCH_ARM)
+#if defined(__arm__) || defined(__TARGET_ARCH_ARM)|| defined(_M_ARM) || defined(_M_ARM64) || defined(__aarch64__) || defined(__ARM64__)
+    #if defined(__ARM64_ARCH_8__) \\
+        || defined(__aarch64__) \\
+        || defined(__ARMv8__) \\
+        || defined(__ARMv8_A__) \\
+        || defined(_M_ARM64) \\
+        || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 8)
+        #error cmake_ARCH arm64
     #if defined(__ARM_ARCH_7__) \\
         || defined(__ARM_ARCH_7A__) \\
         || defined(__ARM_ARCH_7R__) \\
         || defined(__ARM_ARCH_7M__) \\
+        || defined(__ARM_ARCH_7S__) \\
+        || defined(_ARM_ARCH_7) \\
+        || defined(__CORE_CORTEXA__) \\
         || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 7)
         #error cmake_ARCH armv7
     #elif defined(__ARM_ARCH_6__) \\
@@ -23,6 +37,7 @@ set(archdetect_c_code "
         || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 6)
         #error cmake_ARCH armv6
     #elif defined(__ARM_ARCH_5TEJ__) \\
+        || defined(__ARM_ARCH_5TE__) \\
         || (defined(__TARGET_ARCH_ARM) && __TARGET_ARCH_ARM-0 >= 5)
         #error cmake_ARCH armv5
     #else
@@ -34,6 +49,18 @@ set(archdetect_c_code "
     #error cmake_ARCH x86_64
 #elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64)
     #error cmake_ARCH ia64
+#elif defined(__mips) || defined(__mips__) || defined(_M_MRX000)
+    #if defined(_MIPS_ARCH_MIPS64) || defined(__mips64)
+        #if defined(__MIPSEL__)
+            #error cmake_ARCH mips64el
+        #else
+            #error cmake_ARCH mips64
+        #endif
+    #elif defined(__MIPSEL__)
+        #error cmake_ARCH mipsel
+    #else
+        #error cmake_ARCH mips
+    #endif
 #elif defined(__ppc__) || defined(__ppc) || defined(__powerpc__) \\
       || defined(_ARCH_COM) || defined(_ARCH_PWR) || defined(_ARCH_PPC)  \\
       || defined(_M_MPPC) || defined(_M_PPC)
@@ -47,7 +74,7 @@ set(archdetect_c_code "
 #error cmake_ARCH unknown
 ")
 
-# Set ppc_support to TRUE before including this file or ppc and ppc64
+# Set ppc_support to TRUE before including this file on ppc and ppc64
 # will be treated as invalid architectures since they are no longer supported by Apple
 
 function(target_architecture output_var)
@@ -67,12 +94,14 @@ function(target_architecture output_var)
         foreach(osx_arch ${CMAKE_OSX_ARCHITECTURES})
             if("${osx_arch}" STREQUAL "ppc" AND ppc_support)
                 set(osx_arch_ppc TRUE)
+            elseif("${osx_arch}" STREQUAL "ppc64" AND ppc_support)
+                set(osx_arch_ppc64 TRUE)
             elseif("${osx_arch}" STREQUAL "i386")
                 set(osx_arch_i386 TRUE)
             elseif("${osx_arch}" STREQUAL "x86_64")
                 set(osx_arch_x86_64 TRUE)
-            elseif("${osx_arch}" STREQUAL "ppc64" AND ppc_support)
+            elseif("${osx_arch}" STREQUAL "arm64")
-                set(osx_arch_ppc64 TRUE)
+                set(osx_arch_arm64 TRUE)
             else()
                 message(FATAL_ERROR "Invalid OS X arch name: ${osx_arch}")
             endif()
@@ -83,6 +112,10 @@ function(target_architecture output_var)
             list(APPEND ARCH ppc)
         endif()
 
+        if(osx_arch_ppc64)
+            list(APPEND ARCH ppc64)
+        endif()
+
         if(osx_arch_i386)
             list(APPEND ARCH i386)
         endif()
@@ -91,8 +124,8 @@ function(target_architecture output_var)
             list(APPEND ARCH x86_64)
         endif()
 
-        if(osx_arch_ppc64)
+        if(osx_arch_arm64)
-            list(APPEND ARCH ppc64)
+            list(APPEND ARCH arm64)
         endif()
     else()
         file(WRITE "${CMAKE_BINARY_DIR}/arch.c" "${archdetect_c_code}")

build/win_installer.iss

@@ -1,8 +1,5 @@
 #define I2Pd_AppName "i2pd"
 #define I2Pd_Publisher "PurpleI2P"
-; Get application version from compiled binary
-; Disabled to use definition from command line
-;#define I2Pd_ver GetFileVersionString(AddBackslash(SourcePath) + "..\i2pd_x64.exe")
 
 [Setup]
 AppName={#I2Pd_AppName}
@@ -27,7 +24,7 @@ ExtraDiskSpaceRequired=15
 
 AppID={{621A23E0-3CF4-4BD6-97BC-4835EA5206A2}
 AppVerName={#I2Pd_AppName}
-AppCopyright=Copyright (c) 2013-2020, The PurpleI2P Project
+AppCopyright=Copyright (c) 2013-2022, The PurpleI2P Project
 AppPublisherURL=http://i2pd.website/
 AppSupportURL=https://github.com/PurpleI2P/i2pd/issues
 AppUpdatesURL=https://github.com/PurpleI2P/i2pd/releases
@@ -47,6 +44,7 @@ Source: ..\contrib\subscriptions.txt; DestDir: {userappdata}\i2pd; Flags: onlyif
 Source: ..\contrib\tunnels.conf; DestDir: {userappdata}\i2pd; Flags: onlyifdoesntexist
 Source: ..\contrib\certificates\*; DestDir: {userappdata}\i2pd\certificates; Flags: onlyifdoesntexist recursesubdirs createallsubdirs
 Source: ..\contrib\tunnels.d\*; DestDir: {userappdata}\i2pd\tunnels.d; Flags: onlyifdoesntexist recursesubdirs createallsubdirs
+Source: ..\contrib\webconsole\*; DestDir: {userappdata}\i2pd\webconsole; Flags: onlyifdoesntexist recursesubdirs createallsubdirs
 
 [Icons]
 Name: {group}\I2Pd; Filename: {app}\i2pd.exe

contrib/android_binary_only/.gitignore

@@ -1,18 +0,0 @@
-gen
-tests
-bin
-libs
-log*
-obj
-.gradle
-.idea
-.externalNativeBuild
-ant.properties
-local.properties
-build.sh
-android.iml
-build
-gradle
-gradlew
-gradlew.bat
-

contrib/android_binary_only/jni/Android.mk

@@ -1,74 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := i2pd
-LOCAL_CPP_FEATURES := rtti exceptions
-LOCAL_C_INCLUDES += $(IFADDRS_PATH) $(LIB_SRC_PATH) $(LIB_CLIENT_SRC_PATH) $(DAEMON_SRC_PATH)
-LOCAL_STATIC_LIBRARIES := \
-	boost_system \
-	boost_date_time \
-	boost_filesystem \
-	boost_program_options \
-	crypto ssl \
-	miniupnpc
-LOCAL_LDLIBS := -lz
-
-LOCAL_SRC_FILES := $(IFADDRS_PATH)/ifaddrs.c \
-	$(wildcard $(LIB_SRC_PATH)/*.cpp)\
-	$(wildcard $(LIB_CLIENT_SRC_PATH)/*.cpp)\
-	$(DAEMON_SRC_PATH)/UnixDaemon.cpp \
-	$(DAEMON_SRC_PATH)/Daemon.cpp \
-	$(DAEMON_SRC_PATH)/UPnP.cpp \
-	$(DAEMON_SRC_PATH)/HTTPServer.cpp \
-	$(DAEMON_SRC_PATH)/I2PControl.cpp \
-	$(DAEMON_SRC_PATH)/i2pd.cpp
-include $(BUILD_EXECUTABLE)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := boost_system
-LOCAL_SRC_FILES := $(BOOST_PATH)/boost-1_72_0/$(TARGET_ARCH_ABI)/lib/libboost_system.a
-LOCAL_EXPORT_C_INCLUDES := $(BOOST_PATH)/boost-1_72_0/include
-include $(PREBUILT_STATIC_LIBRARY)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := boost_date_time
-LOCAL_SRC_FILES := $(BOOST_PATH)/boost-1_72_0/$(TARGET_ARCH_ABI)/lib/libboost_date_time.a
-LOCAL_EXPORT_C_INCLUDES := $(BOOST_PATH)/boost-1_72_0/include
-include $(PREBUILT_STATIC_LIBRARY)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := boost_filesystem
-LOCAL_SRC_FILES := $(BOOST_PATH)/boost-1_72_0/$(TARGET_ARCH_ABI)/lib/libboost_filesystem.a
-LOCAL_EXPORT_C_INCLUDES := $(BOOST_PATH)/boost-1_72_0/include
-include $(PREBUILT_STATIC_LIBRARY)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := boost_program_options
-LOCAL_SRC_FILES := $(BOOST_PATH)/boost-1_72_0/$(TARGET_ARCH_ABI)/lib/libboost_program_options.a
-LOCAL_EXPORT_C_INCLUDES := $(BOOST_PATH)/boost-1_72_0/include
-include $(PREBUILT_STATIC_LIBRARY)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := crypto
-LOCAL_SRC_FILES := $(OPENSSL_PATH)/openssl-1.1.1a-clang/$(TARGET_ARCH_ABI)/lib/libcrypto.a
-LOCAL_EXPORT_C_INCLUDES := $(OPENSSL_PATH)/openssl-1.1.1a-clang/include
-include $(PREBUILT_STATIC_LIBRARY)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := ssl
-LOCAL_SRC_FILES := $(OPENSSL_PATH)/openssl-1.1.1a-clang/$(TARGET_ARCH_ABI)/lib/libssl.a
-LOCAL_EXPORT_C_INCLUDES := $(OPENSSL_PATH)/openssl-1.1.1a-clang/include
-LOCAL_STATIC_LIBRARIES := crypto
-include $(PREBUILT_STATIC_LIBRARY)
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_MODULE := miniupnpc
-LOCAL_SRC_FILES := $(MINIUPNP_PATH)/miniupnpc-2.1/$(TARGET_ARCH_ABI)/lib/libminiupnpc.a
-LOCAL_EXPORT_C_INCLUDES := $(MINIUPNP_PATH)/miniupnpc-2.1/include
-include $(PREBUILT_STATIC_LIBRARY)

contrib/android_binary_only/jni/Application.mk

@@ -1,40 +0,0 @@
-APP_ABI := all
-#APP_ABI += x86
-#APP_ABI += x86_64
-#APP_ABI += armeabi-v7a
-#APP_ABI += arm64-v8a
-#can be android-3 but will fail for x86 since arch-x86 is not present at ndkroot/platforms/android-3/ . libz is taken from there.
-APP_PLATFORM := android-14
-
-NDK_TOOLCHAIN_VERSION := clang
-APP_STL := c++_static
-
-# Enable c++17 extensions in source code
-APP_CPPFLAGS += -std=c++17 -fvisibility=default -fPIE
-
-APP_CPPFLAGS += -DANDROID_BINARY -DANDROID -D__ANDROID__ -DUSE_UPNP
-APP_LDFLAGS += -rdynamic -fPIE -pie
-ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
-APP_CPPFLAGS += -DANDROID_ARM7A
-endif
-
-# Forcing debug optimization. Use `ndk-build NDK_DEBUG=1` instead.
-#APP_OPTIM  := debug
-
-# git clone https://github.com/PurpleI2P/Boost-for-Android-Prebuilt.git -b boost-1_72_0
-# git clone https://github.com/PurpleI2P/OpenSSL-for-Android-Prebuilt.git
-# git clone https://github.com/PurpleI2P/MiniUPnP-for-Android-Prebuilt.git
-# git clone https://github.com/PurpleI2P/android-ifaddrs.git
-# change to your own
-I2PD_LIBS_PATH = /path/to/libraries
-BOOST_PATH = $(I2PD_LIBS_PATH)/Boost-for-Android-Prebuilt
-OPENSSL_PATH = $(I2PD_LIBS_PATH)/OpenSSL-for-Android-Prebuilt
-MINIUPNP_PATH = $(I2PD_LIBS_PATH)/MiniUPnP-for-Android-Prebuilt
-IFADDRS_PATH = $(I2PD_LIBS_PATH)/android-ifaddrs
-
-# don't change me
-I2PD_SRC_PATH = $(PWD)/../..
-
-LIB_SRC_PATH = $(I2PD_SRC_PATH)/libi2pd
-LIB_CLIENT_SRC_PATH = $(I2PD_SRC_PATH)/libi2pd_client
-DAEMON_SRC_PATH = $(I2PD_SRC_PATH)/daemon

contrib/android_binary_pack/.gitignore

@@ -1,2 +0,0 @@
-archive
-i2pd_*_android_binary.zip

contrib/android_binary_pack/build-archive

@@ -1,48 +0,0 @@
-#!/bin/bash
-
-# Copyright (c) 2013-2020, The PurpleI2P Project
-#
-# This file is part of Purple i2pd project and licensed under BSD3
-#
-# See full license text in LICENSE file at top of project tree
-
-GITDESC=$(git describe --tags)
-
-declare -A ABILIST=(
-	["armeabi-v7a"]="armv7l"
-	["arm64-v8a"]="aarch64"
-	["x86"]="x86"
-	["x86_64"]="x86_64"
-)
-
-# Remove old files and archives
-if [ -d archive ]; then
-	rm -r archive
-fi
-
-if [ -f ../i2pd_*_android_binary.zip ]; then
-	rm i2pd_*_android_binary.zip
-fi
-
-# Prepare files for package
-mkdir archive
-
-for ABI in "${!ABILIST[@]}"; do
-	if [ -f ../android_binary_only/libs/${ABI}/i2pd ]; then
-		cp ../android_binary_only/libs/${ABI}/i2pd archive/i2pd-${ABILIST[$ABI]}
-	fi
-done
-
-cp i2pd archive/i2pd
-cp -rH ../android/assets/certificates archive/
-cp -rH ../android/assets/tunnels.conf.d archive/
-cp -H ../android/assets/i2pd.conf archive/
-cp -H ../android/assets/tunnels.conf archive/
-
-# Compress files
-cd archive
-zip -r6 ../i2pd_${GITDESC}_android_binary.zip .
-
-# Remove temporary folder
-cd ..
-rm -r archive

contrib/android_binary_pack/i2pd

@@ -1,33 +0,0 @@
-#!/bin/sh
-
-# Copyright (c) 2013-2020, The PurpleI2P Project
-#
-# This file is part of Purple i2pd project and licensed under BSD3
-#
-# See full license text in LICENSE file at top of project tree
-#
-# That script written for use with Termux.
-
-# https://stackoverflow.com/a/246128
-SOURCE="${0}"
-while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
-  DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
-  SOURCE="$(readlink "$SOURCE")"
-  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
-done
-DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
-
-arch=$(uname -m)
-
-screenfind=$(which screen)
-if [ -z $screenfind ]; then
-  echo "Can't find 'screen' installed. That script needs it!";
-  exit 1;
-fi
-
-if [ -z i2pd-$arch ]; then
-  echo "Can't find i2pd binary for your archtecture.";
-  exit 1;
-fi
-
-screen -AmdS i2pd ./i2pd-$arch --datadir=$DIR

contrib/certificates/family/stormycloud.crt

@@ -0,0 +1,14 @@
+-----BEGIN CERTIFICATE-----
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+V1Z9j2x0ZsuirS3i6AMfVyTDj0RFS3U1jeHzIQ==
+-----END CERTIFICATE-----

contrib/certificates/reseed/echelon3_at_mail.i2p.crt

@@ -0,0 +1,33 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

contrib/certificates/reseed/echelon_at_mail.i2p.crt

@@ -1,32 +0,0 @@
------BEGIN CERTIFICATE-----
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-JNJOWTH/Vas1W6XlwGcOOAARTQ==
------END CERTIFICATE-----

contrib/certificates/reseed/hiduser0_at_mail.i2p.crt

@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
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+bSl5VHgPXHNM8mcnndMAuzvl7jEK
+-----END CERTIFICATE-----

contrib/certificates/reseed/i2p-reseed_at_mk16.de.crt

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
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+2Q==
+-----END CERTIFICATE-----

contrib/certificates/reseed/rambler_at_mail.i2p.crt

@@ -0,0 +1,33 @@
+-----BEGIN CERTIFICATE-----
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+anhjkpxJcgpLR+9od8EdLNKbShVWEeSBnYp0FcjnZKOb9KC2gjqP0sWdzlw3i1hh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+-----END CERTIFICATE-----

contrib/i2pd.conf

@@ -81,7 +81,9 @@ ipv6 = false
 ## Bandwidth configuration
 ## L limit bandwidth to 32KBs/sec, O - to 256KBs/sec, P - to 2048KBs/sec,
 ## X - unlimited
-## Default is X for floodfill, L for regular node
+## Default is L (regular node) and X if floodfill mode enabled. If you want to
+## share more bandwidth without floodfill mode, uncomment that line and adjust
+## value to your possibilities
 # bandwidth = L
 ## Max % of bandwidth limit for transit. 0-100. 100 by default
 # share = 100
@@ -108,7 +110,8 @@ port = 7070
 # user = i2pd
 # pass = changeme
 ## Select webconsole language
-## Currently supported english (default), afrikaans, russian, turkmen, ukrainian and uzbek languages
+## Currently supported english (default), afrikaans, armenian, french, german,
+## russian, turkmen, ukrainian and uzbek languages
 # lang = english
 
 [httpproxy]

contrib/rpm/i2pd-git.spec

@@ -1,7 +1,7 @@
 %define git_hash %(git rev-parse HEAD | cut -c -7)
 
 Name:          i2pd-git
-Version:       2.39.0
+Version:       2.42.1
 Release:       git%{git_hash}%{?dist}
 Summary:       I2P router written in C++
 Conflicts:     i2pd
@@ -32,7 +32,7 @@ Requires(pre): %{_sbindir}/useradd %{_sbindir}/groupadd
 C++ implementation of I2P.
 
 %prep
-%setup -q
+%setup -q -n i2pd-openssl
 
 
 %build
@@ -57,8 +57,14 @@ cd build
 %endif
 
 
-%if 0%{?fedora} >= 35
+%if 0%{?rhel} == 9
 pushd redhat-linux-build
+%endif
+
+%if 0%{?fedora} >= 35
+%if 0%{?fedora} < 37
+pushd redhat-linux-build
+%endif
 %else
 %if 0%{?fedora} >= 33
 pushd %{_target_platform}
@@ -71,10 +77,16 @@ pushd build
 
 make %{?_smp_mflags}
 
-%if 0%{?fedora} >= 33
+%if 0%{?rhel} == 9
 popd
 %endif
 
+%if 0%{?fedora} >= 33
+%if 0%{?fedora} < 37
+popd
+%endif
+%endif
+
 %if 0%{?mageia} > 7
 popd
 %endif
@@ -82,8 +94,14 @@ popd
 %install
 pushd build
 
-%if 0%{?fedora} >= 35
+%if 0%{?rhel} == 9
 pushd redhat-linux-build
+%endif
+
+%if 0%{?fedora} >= 35
+%if 0%{?fedora} < 37
+pushd redhat-linux-build
+%endif
 %else
 %if 0%{?fedora} >= 33
 pushd %{_target_platform}
@@ -99,14 +117,14 @@ chrpath -d i2pd
 %{__install} -d -m 755 %{buildroot}%{_datadir}/i2pd
 %{__install} -d -m 700 %{buildroot}%{_sharedstatedir}/i2pd
 %{__install} -d -m 700 %{buildroot}%{_localstatedir}/log/i2pd
-%{__install} -D -m 644 %{_builddir}/%{name}-%{version}/contrib/i2pd.conf %{buildroot}%{_sysconfdir}/i2pd/i2pd.conf
+%{__install} -D -m 644 %{_builddir}/i2pd-openssl/contrib/i2pd.conf %{buildroot}%{_sysconfdir}/i2pd/i2pd.conf
-%{__install} -D -m 644 %{_builddir}/%{name}-%{version}/contrib/subscriptions.txt %{buildroot}%{_sysconfdir}/i2pd/subscriptions.txt
+%{__install} -D -m 644 %{_builddir}/i2pd-openssl/contrib/subscriptions.txt %{buildroot}%{_sysconfdir}/i2pd/subscriptions.txt
-%{__install} -D -m 644 %{_builddir}/%{name}-%{version}/contrib/tunnels.conf %{buildroot}%{_sysconfdir}/i2pd/tunnels.conf
+%{__install} -D -m 644 %{_builddir}/i2pd-openssl/contrib/tunnels.conf %{buildroot}%{_sysconfdir}/i2pd/tunnels.conf
-%{__install} -D -m 644 %{_builddir}/%{name}-%{version}/contrib/i2pd.logrotate %{buildroot}%{_sysconfdir}/logrotate.d/i2pd
+%{__install} -D -m 644 %{_builddir}/i2pd-openssl/contrib/i2pd.logrotate %{buildroot}%{_sysconfdir}/logrotate.d/i2pd
-%{__install} -D -m 644 %{_builddir}/%{name}-%{version}/contrib/i2pd.service %{buildroot}%{_unitdir}/i2pd.service
+%{__install} -D -m 644 %{_builddir}/i2pd-openssl/contrib/i2pd.service %{buildroot}%{_unitdir}/i2pd.service
-%{__install} -D -m 644 %{_builddir}/%{name}-%{version}/debian/i2pd.1 %{buildroot}%{_mandir}/man1/i2pd.1
+%{__install} -D -m 644 %{_builddir}/i2pd-openssl/debian/i2pd.1 %{buildroot}%{_mandir}/man1/i2pd.1
-%{__cp} -r %{_builddir}/%{name}-%{version}/contrib/certificates/ %{buildroot}%{_datadir}/i2pd/certificates
+%{__cp} -r %{_builddir}/i2pd-openssl/contrib/certificates/ %{buildroot}%{_datadir}/i2pd/certificates
-%{__cp} -r %{_builddir}/%{name}-%{version}/contrib/tunnels.d/ %{buildroot}%{_sysconfdir}/i2pd/tunnels.conf.d
+%{__cp} -r %{_builddir}/i2pd-openssl/contrib/tunnels.d/ %{buildroot}%{_sysconfdir}/i2pd/tunnels.conf.d
 ln -s %{_datadir}/%{name}/certificates %{buildroot}%{_sharedstatedir}/i2pd/certificates
 
 
@@ -146,7 +164,20 @@ getent passwd i2pd >/dev/null || \
 
 
 %changelog
-* Mon Aug 24 2021 r4sas <r4sas@i2pmail.org> - 2.39.0-2
+* Tue May 24 2022 r4sas <r4sas@i2pmail.org> - 2.42.1
+- update to 2.42.1
+
+* Sun May 22 2022 orignal <orignal@i2pmail.org> - 2.42.0
+- update to 2.42.0
+
+* Sun Feb 20 2022 r4sas <r4sas@i2pmail.org> - 2.41.0
+- update to 2.41.0
+- fixed build on Fedora Copr over openssl trunk code
+
+* Mon Nov 29 2021 orignal <i2porignal@yandex.ru> - 2.40.0
+- update to 2.40.0
+
+* Tue Aug 24 2021 r4sas <r4sas@i2pmail.org> - 2.39.0-2
 - changed if statements to cover fedora 35
 
 * Mon Aug 23 2021 orignal <i2porignal@yandex.ru> - 2.39.0

contrib/rpm/i2pd.spec

@@ -1,6 +1,6 @@
 Name:          i2pd
-Version:       2.39.0
+Version:       2.42.1
-Release:       2%{?dist}
+Release:       1%{?dist}
 Summary:       I2P router written in C++
 Conflicts:     i2pd-git
 
@@ -54,8 +54,14 @@ cd build
 %endif
 %endif
 
-%if 0%{?fedora} >= 35
+%if 0%{?rhel} == 9
 pushd redhat-linux-build
+%endif
+
+%if 0%{?fedora} >= 35
+%if 0%{?fedora} < 37
+pushd redhat-linux-build
+%endif
 %else
 %if 0%{?fedora} >= 33
 pushd %{_target_platform}
@@ -68,10 +74,16 @@ pushd build
 
 make %{?_smp_mflags}
 
-%if 0%{?fedora} >= 33
+%if 0%{?rhel} == 9
 popd
 %endif
 
+%if 0%{?fedora} >= 33
+%if 0%{?fedora} < 37
+popd
+%endif
+%endif
+
 %if 0%{?mageia} > 7
 popd
 %endif
@@ -79,8 +91,14 @@ popd
 %install
 pushd build
 
-%if 0%{?fedora} >= 35
+%if 0%{?rhel} == 9
 pushd redhat-linux-build
+%endif
+
+%if 0%{?fedora} >= 35
+%if 0%{?fedora} < 37
+pushd redhat-linux-build
+%endif
 %else
 %if 0%{?fedora} >= 33
 pushd %{_target_platform}
@@ -143,7 +161,19 @@ getent passwd i2pd >/dev/null || \
 
 
 %changelog
-* Mon Aug 24 2021 r4sas <r4sas@i2pmail.org> - 2.39.0-2
+* Tue May 24 2022 r4sas <r4sas@i2pmail.org> - 2.42.1
+- update to 2.42.1
+
+* Sun May 22 2022 orignal <orignal@i2pmail.org> - 2.42.0
+- update to 2.42.0
+
+* Sun Feb 20 2022 r4sas <r4sas@i2pmail.org> - 2.41.0
+- update to 2.41.0
+
+* Mon Nov 29 2021 orignal <i2porignal@yandex.ru> - 2.40.0
+- update to 2.40.0
+
+* Tue Aug 24 2021 r4sas <r4sas@i2pmail.org> - 2.39.0-2
 - changed if statements to cover fedora 35
 
 * Mon Aug 23 2021 orignal <i2porignal@yandex.ru> - 2.39.0

contrib/webconsole/style.css

@@ -1,35 +1,65 @@
+/*
+ * Copyright (c) 2021-2022, The PurpleI2P Project
+ *
+ * This file is part of Purple i2pd project and licensed under BSD3
+ *
+ * See full license text in LICENSE file at top of project tree
+ *
+ ******************************************************************
+ *
+ * This is style sheet for webconsole, with @media selectors for adaptive
+ * view on desktop and mobile devices, respecting preferred user's color
+ * scheme used in system/browser.
+ *
+ * Minified copy of that style sheet is bundled inside i2pd sources.
+*/
+
+:root {
+	--main-bg-color: #fafafa;
+	--main-text-color: #103456;
+	--main-link-color: #894c84;
+	--main-link-hover-color: #fafafa;
+}
+
+@media (prefers-color-scheme: dark) {
+	:root {
+		--main-bg-color: #242424;
+		--main-text-color: #17ab5c;
+		--main-link-color: #bf64b7;
+		--main-link-hover-color: #000000;
+	}
+}
+
 body {
 	font: 100%/1.5em sans-serif;
 	margin: 0;
 	padding: 1.5em;
-	background: #FAFAFA;
+	background: var(--main-bg-color);
-	color: #103456;
+	color: var(--main-text-color);
 }
 
 a, .slide label {
 	text-decoration: none;
-	color: #894C84;
+	color: var(--main-link-color);
 }
 
-a:hover, .slide label:hover {
+a:hover, .slide label:hover, button[type=submit]:hover {
-	color: #FAFAFA;
+	color: var(--main-link-hover-color);
-	background: #894C84;
+	background: var(--main-link-color);
 }
 
 a.button {
-	-webkit-appearance: button;
-	-moz-appearance: button;
 	appearance: button;
 	text-decoration: none;
 	padding: 0 5px;
-	border: 1px solid #894C84;
+	border: 1px solid var(--main-link-color);
 }
 
 .header {
 	font-size: 2.5em;
 	text-align: center;
 	margin: 1em 0;
-	color: #894C84;
+	color: var(--main-link-color);
 }
 
 .wrapper {
@@ -42,6 +72,7 @@ a.button {
 	display: block;
 	float: left;
 	overflow: hidden;
+	padding: 4px;
 	max-width: 12em;
 	white-space: nowrap;
 	text-overflow: ellipsis;
@@ -63,8 +94,9 @@ a.button {
 .content {
 	float: left;
 	font-size: 1em;
-	margin-left: 4em;
+	margin-left: 2em;
-	max-width: 48em;
+	padding: 4px;
+	max-width: 50em;
 	overflow: auto;
 }
 
@@ -87,7 +119,7 @@ a.button {
 caption {
 	font-size: 1.5em;
 	text-align: center;
-	color: #894C84;
+	color: var(--main-link-color);
 }
 
 table {
@@ -105,6 +137,8 @@ table.services {
 }
 
 textarea {
+	background-color: var(--main-bg-color);
+	color: var(--main-text-color);
 	word-break: break-all;
 }
 
@@ -133,24 +167,45 @@ textarea {
 	color: #56B734;
 }
 
+button[type=submit] {
+	background-color: transparent;
+	color: var(--main-link-color);
+	text-decoration: none;
+	padding: 5px;
+	border: 1px solid var(--main-link-color);
+	font-size: 14px;
+}
+
+input, select, select option {
+	background-color: var(--main-bg-color);
+	color: var(--main-link-color);
+	padding: 5px;
+	border: 1px solid var(--main-link-color);
+	font-size: 14px;
+}
+
+input:focus, select:focus, select option:focus {
+	outline: none;
+}
+
+input[type=number]::-webkit-inner-spin-button {
+	-webkit-appearance: none;
+}
+
 @media screen and (max-width: 1150px) { /* adaptive style */
 	.wrapper {
 		max-width: 58em;
 	}
 
-	.menu {
-		max-width: 10em;
-	}
-
 	.content {
-		margin-left: 2em;
+		max-width: 40em;
-		max-width: 42em;
 	}
 }
 
 @media screen and (max-width: 980px) {
 	body {
-		padding: 1.5em 0 0 0;
+		font: 100%/1.2em sans-serif;
+		padding: 1.2em 0 0 0;
 	}
 
 	.menu {
@@ -178,9 +233,7 @@ textarea {
 	}
 
 	a, .slide label {
-		/* margin-right: 10px; */
 		display: block;
-		/* font-size: 18px; */
 	}
 
 	.header {
@@ -193,13 +246,12 @@ textarea {
 	}
 
 	a.button {
-		-webkit-appearance: button;
-		-moz-appearance: button;
 		appearance: button;
 		text-decoration: none;
 		margin-top: 10px;
 		padding: 6px;
-		border: 1px solid #894c84;
+		border: 2px solid var(--main-link-color);
+		border-radius: 5px;
 		width: -webkit-fill-available;
 	}
 
@@ -207,8 +259,7 @@ textarea {
 		width: 35%;
 		text-align: center;
 		padding: 5px;
-		border: 2px solid #ccc;
+		border: 2px solid var(--main-link-color);
-		-webkit-border-radius: 5px;
 		border-radius: 5px;
 		font-size: 18px;
 	}
@@ -222,16 +273,15 @@ textarea {
 		width: -webkit-fill-available;
 		height: auto;
 		padding: 5px;
-		border:2px solid #ccc;
+		border: 2px solid var(--main-link-color);
-		-webkit-border-radius: 5px;
 		border-radius: 5px;
 		font-size: 12px;
 	}
 
 	button[type=submit] {
 		padding: 5px 15px;
-		background: #ccc;
+		background: transparent;
-		border: 0 none;
+		border: 2px solid var(--main-link-color);
 		cursor: pointer;
 		-webkit-border-radius: 5px;
 		border-radius: 5px;

daemon/Daemon.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -58,12 +58,16 @@ namespace util
 	bool Daemon_Singleton::IsService () const
 	{
 		bool service = false;
-#ifndef _WIN32
 		i2p::config::GetOption("service", service);
-#endif
 		return service;
 	}
 
+	void Daemon_Singleton::setDataDir(std::string path)
+	{
+		if (path != "")
+			DaemonDataDir = path;
+	}
+
 	bool Daemon_Singleton::init(int argc, char* argv[]) {
 		return init(argc, argv, nullptr);
 	}
@@ -74,7 +78,13 @@ namespace util
 		i2p::config::ParseCmdline(argc, argv);
 
 		std::string config; i2p::config::GetOption("conf", config);
-		std::string datadir; i2p::config::GetOption("datadir", datadir);
+		std::string datadir;
+		if(DaemonDataDir != "") {
+			datadir = DaemonDataDir;
+		} else {
+			i2p::config::GetOption("datadir", datadir);
+		}
+
 		i2p::fs::DetectDataDir(datadir, IsService());
 		i2p::fs::Init();
 
@@ -118,26 +128,26 @@ namespace util
 
 		i2p::log::Logger().SetLogLevel(loglevel);
 		if (logstream) {
-			LogPrint(eLogInfo, "Log: will send messages to std::ostream");
+			LogPrint(eLogInfo, "Log: Sending messages to std::ostream");
 			i2p::log::Logger().SendTo (logstream);
 		} else if (logs == "file") {
 			if (logfile == "")
 				logfile = i2p::fs::DataDirPath("i2pd.log");
-			LogPrint(eLogInfo, "Log: will send messages to ", logfile);
+			LogPrint(eLogInfo, "Log: Sending messages to ", logfile);
 			i2p::log::Logger().SendTo (logfile);
 #ifndef _WIN32
 		} else if (logs == "syslog") {
-			LogPrint(eLogInfo, "Log: will send messages to syslog");
+			LogPrint(eLogInfo, "Log: Sending messages to syslog");
 			i2p::log::Logger().SendTo("i2pd", LOG_DAEMON);
 #endif
 		} else {
 			// use stdout -- default
 		}
 
-		LogPrint(eLogNone,  "i2pd v", VERSION, " starting");
+		LogPrint(eLogNone,  "i2pd v", VERSION, " (", I2P_VERSION, ") starting...");
-		LogPrint(eLogDebug, "FS: main config file: ", config);
+		LogPrint(eLogDebug, "FS: Main config file: ", config);
-		LogPrint(eLogDebug, "FS: data directory: ", datadir);
+		LogPrint(eLogDebug, "FS: Data directory: ", datadir);
-		LogPrint(eLogDebug, "FS: certificates directory: ", certsdir);
+		LogPrint(eLogDebug, "FS: Certificates directory: ", certsdir);
 
 		bool precomputation; i2p::config::GetOption("precomputation.elgamal", precomputation);
 		bool aesni; i2p::config::GetOption("cpuext.aesni", aesni);
@@ -151,11 +161,7 @@ namespace util
 
 		bool ipv6; i2p::config::GetOption("ipv6", ipv6);
 		bool ipv4; i2p::config::GetOption("ipv4", ipv4);
-#ifdef MESHNET
+
-		// manual override for meshnet
-		ipv4 = false;
-		ipv6 = true;
-#endif
 		// ifname -> address
 		std::string ifname; i2p::config::GetOption("ifname", ifname);
 		if (ipv4 && i2p::config::IsDefault ("address4"))
@@ -204,7 +210,7 @@ namespace util
 		uint16_t port; i2p::config::GetOption("port", port);
 		if (!i2p::config::IsDefault("port"))
 		{
-			LogPrint(eLogInfo, "Daemon: accepting incoming connections at port ", port);
+			LogPrint(eLogInfo, "Daemon: Accepting incoming connections at port ", port);
 			i2p::context.UpdatePort (port);
 		}
 		i2p::context.SetSupportsV6 (ipv6);
@@ -244,6 +250,18 @@ namespace util
 			if (!ipv4 && !ipv6)
 				i2p::context.SetStatus (eRouterStatusMesh);
 		}
+		bool ssu2; i2p::config::GetOption("ssu2.enabled", ssu2);
+		if (ssu2)
+		{
+			bool published; i2p::config::GetOption("ssu2.published", published);
+			if (published)
+			{
+				uint16_t ssu2port; i2p::config::GetOption("ssu2.port", ssu2port);
+				i2p::context.PublishSSU2Address (ssu2port, true, ipv4, ipv6); // publish
+			}
+			else
+				i2p::context.PublishSSU2Address (0, false, ipv4, ipv6); // unpublish
+		}
 
 		bool transit; i2p::config::GetOption("notransit", transit);
 		i2p::context.SetAcceptsTunnels (!transit);
@@ -252,7 +270,7 @@ namespace util
 
 		bool isFloodfill; i2p::config::GetOption("floodfill", isFloodfill);
 		if (isFloodfill) {
-			LogPrint(eLogInfo, "Daemon: router will be floodfill");
+			LogPrint(eLogInfo, "Daemon: Router configured as floodfill");
 			i2p::context.SetFloodfill (true);
 		}
 		else
@@ -267,7 +285,7 @@ namespace util
 			if (bandwidth[0] >= 'K' && bandwidth[0] <= 'X')
 			{
 				i2p::context.SetBandwidth (bandwidth[0]);
-				LogPrint(eLogInfo, "Daemon: bandwidth set to ", i2p::context.GetBandwidthLimit (), "KBps");
+				LogPrint(eLogInfo, "Daemon: Bandwidth set to ", i2p::context.GetBandwidthLimit (), "KBps");
 			}
 			else
 			{
@@ -275,18 +293,18 @@ namespace util
 				if (value > 0)
 				{
 					i2p::context.SetBandwidth (value);
-					LogPrint(eLogInfo, "Daemon: bandwidth set to ", i2p::context.GetBandwidthLimit (), " KBps");
+					LogPrint(eLogInfo, "Daemon: Bandwidth set to ", i2p::context.GetBandwidthLimit (), " KBps");
 				}
 				else
 				{
-					LogPrint(eLogInfo, "Daemon: unexpected bandwidth ", bandwidth, ". Set to 'low'");
+					LogPrint(eLogInfo, "Daemon: Unexpected bandwidth ", bandwidth, ". Set to 'low'");
 					i2p::context.SetBandwidth (i2p::data::CAPS_FLAG_LOW_BANDWIDTH2);
 				}
 			}
 		}
 		else if (isFloodfill)
 		{
-			LogPrint(eLogInfo, "Daemon: floodfill bandwidth set to 'extra'");
+			LogPrint(eLogInfo, "Daemon: Floodfill bandwidth set to 'extra'");
 			i2p::context.SetBandwidth (i2p::data::CAPS_FLAG_EXTRA_BANDWIDTH2);
 		}
 		else
@@ -301,12 +319,12 @@ namespace util
 		std::string family; i2p::config::GetOption("family", family);
 		i2p::context.SetFamily (family);
 		if (family.length () > 0)
-			LogPrint(eLogInfo, "Daemon: family set to ", family);
+			LogPrint(eLogInfo, "Daemon: Router family set to ", family);
 
 		bool trust; i2p::config::GetOption("trust.enabled", trust);
 		if (trust)
 		{
-			LogPrint(eLogInfo, "Daemon: explicit trust enabled");
+			LogPrint(eLogInfo, "Daemon: Explicit trust enabled");
 			std::string fam; i2p::config::GetOption("trust.family", fam);
 			std::string routers; i2p::config::GetOption("trust.routers", routers);
 			bool restricted = false;
@@ -336,18 +354,18 @@ namespace util
 					pos = comma + 1;
 				}
 				while (comma != std::string::npos);
-				LogPrint(eLogInfo, "Daemon: setting restricted routes to use ", idents.size(), " trusted routers");
+				LogPrint(eLogInfo, "Daemon: Setting restricted routes to use ", idents.size(), " trusted routers");
 				i2p::transport::transports.RestrictRoutesToRouters(idents);
 				restricted = idents.size() > 0;
 			}
 			if(!restricted)
-				LogPrint(eLogError, "Daemon: no trusted routers of families specified");
+				LogPrint(eLogError, "Daemon: No trusted routers of families specified");
 		}
 
 		bool hidden; i2p::config::GetOption("trust.hidden", hidden);
 		if (hidden)
 		{
-			LogPrint(eLogInfo, "Daemon: using hidden mode");
+			LogPrint(eLogInfo, "Daemon: Hidden mode enabled");
 			i2p::data::netdb.SetHidden(true);
 		}
 
@@ -360,7 +378,7 @@ namespace util
 	bool Daemon_Singleton::start()
 	{
 		i2p::log::Logger().Start();
-		LogPrint(eLogInfo, "Daemon: starting NetDB");
+		LogPrint(eLogInfo, "Daemon: Starting NetDB");
 		i2p::data::netdb.Start();
 
 		bool upnp; i2p::config::GetOption("upnp.enabled", upnp);
@@ -377,19 +395,20 @@ namespace util
 		}
 
 		bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
+		bool ssu2; i2p::config::GetOption("ssu2.enabled", ssu2);
 		bool ssu; i2p::config::GetOption("ssu", ssu);
 		bool checkInReserved; i2p::config::GetOption("reservedrange", checkInReserved);
-		LogPrint(eLogInfo, "Daemon: starting Transports");
+		LogPrint(eLogInfo, "Daemon: Starting Transports");
-		if(!ssu) LogPrint(eLogInfo, "Daemon: ssu disabled");
+		if(!ssu) LogPrint(eLogInfo, "Daemon: SSU disabled");
-		if(!ntcp2) LogPrint(eLogInfo, "Daemon: ntcp2 disabled");
+		if(!ntcp2) LogPrint(eLogInfo, "Daemon: NTCP2 disabled");
 
 		i2p::transport::transports.SetCheckReserved(checkInReserved);
-		i2p::transport::transports.Start(ntcp2, ssu);
+		i2p::transport::transports.Start(ntcp2, ssu, ssu2);
 		if (i2p::transport::transports.IsBoundSSU() || i2p::transport::transports.IsBoundNTCP2())
 			LogPrint(eLogInfo, "Daemon: Transports started");
 		else
 		{
-			LogPrint(eLogError, "Daemon: failed to start Transports");
+			LogPrint(eLogError, "Daemon: Failed to start Transports");
 			/** shut down netdb right away */
 			i2p::transport::transports.Stop();
 			i2p::data::netdb.Stop();
@@ -400,7 +419,7 @@ namespace util
 		if (http) {
 			std::string httpAddr; i2p::config::GetOption("http.address", httpAddr);
 			uint16_t    httpPort; i2p::config::GetOption("http.port", httpPort);
-			LogPrint(eLogInfo, "Daemon: starting webconsole at ", httpAddr, ":", httpPort);
+			LogPrint(eLogInfo, "Daemon: Starting Webconsole at ", httpAddr, ":", httpPort);
 			try
 			{
 				d.httpServer = std::unique_ptr<i2p::http::HTTPServer>(new i2p::http::HTTPServer(httpAddr, httpPort));
@@ -408,16 +427,16 @@ namespace util
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "Daemon: failed to start webconsole: ", ex.what ());
+				LogPrint (eLogError, "Daemon: Failed to start Webconsole: ", ex.what ());
 				ThrowFatal ("Unable to start webconsole at ", httpAddr, ":", httpPort, ": ", ex.what ());
 			}
 		}
 
 
-		LogPrint(eLogInfo, "Daemon: starting Tunnels");
+		LogPrint(eLogInfo, "Daemon: Starting Tunnels");
 		i2p::tunnel::tunnels.Start();
 
-		LogPrint(eLogInfo, "Daemon: starting Client");
+		LogPrint(eLogInfo, "Daemon: Starting Client");
 		i2p::client::context.Start ();
 
 		// I2P Control Protocol
@@ -425,7 +444,7 @@ namespace util
 		if (i2pcontrol) {
 			std::string i2pcpAddr; i2p::config::GetOption("i2pcontrol.address", i2pcpAddr);
 			uint16_t    i2pcpPort; i2p::config::GetOption("i2pcontrol.port",    i2pcpPort);
-			LogPrint(eLogInfo, "Daemon: starting I2PControl at ", i2pcpAddr, ":", i2pcpPort);
+			LogPrint(eLogInfo, "Daemon: Starting I2PControl at ", i2pcpAddr, ":", i2pcpPort);
 			try
 			{
 				d.m_I2PControlService = std::unique_ptr<i2p::client::I2PControlService>(new i2p::client::I2PControlService (i2pcpAddr, i2pcpPort));
@@ -433,7 +452,7 @@ namespace util
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "Daemon: failed to start I2PControl: ", ex.what ());
+				LogPrint (eLogError, "Daemon: Failed to start I2PControl: ", ex.what ());
 				ThrowFatal ("Unable to start I2PControl service at ", i2pcpAddr, ":", i2pcpPort, ": ", ex.what ());
 			}
 		}
@@ -442,10 +461,10 @@ namespace util
 
 	bool Daemon_Singleton::stop()
 	{
-		LogPrint(eLogInfo, "Daemon: shutting down");
+		LogPrint(eLogInfo, "Daemon: Shutting down");
-		LogPrint(eLogInfo, "Daemon: stopping Client");
+		LogPrint(eLogInfo, "Daemon: Stopping Client");
 		i2p::client::context.Stop();
-		LogPrint(eLogInfo, "Daemon: stopping Tunnels");
+		LogPrint(eLogInfo, "Daemon: Stopping Tunnels");
 		i2p::tunnel::tunnels.Stop();
 
 		if (d.UPnP)
@@ -460,18 +479,18 @@ namespace util
 			d.m_NTPSync = nullptr;
 		}
 
-		LogPrint(eLogInfo, "Daemon: stopping Transports");
+		LogPrint(eLogInfo, "Daemon: Stopping Transports");
 		i2p::transport::transports.Stop();
-		LogPrint(eLogInfo, "Daemon: stopping NetDB");
+		LogPrint(eLogInfo, "Daemon: Stopping NetDB");
 		i2p::data::netdb.Stop();
 		if (d.httpServer) {
-			LogPrint(eLogInfo, "Daemon: stopping HTTP Server");
+			LogPrint(eLogInfo, "Daemon: Stopping HTTP Server");
 			d.httpServer->Stop();
 			d.httpServer = nullptr;
 		}
 		if (d.m_I2PControlService)
 		{
-			LogPrint(eLogInfo, "Daemon: stopping I2PControl");
+			LogPrint(eLogInfo, "Daemon: Stopping I2PControl");
 			d.m_I2PControlService->Stop ();
 			d.m_I2PControlService = nullptr;
 		}

daemon/Daemon.h

@@ -28,6 +28,8 @@ namespace util
 		virtual bool stop ();
 		virtual void run () {};
 
+		virtual void setDataDir (std::string path);
+
 		bool isDaemon;
 		bool running;
 
@@ -41,6 +43,10 @@ namespace util
 		// d-pointer for httpServer, httpProxy, etc.
 		class Daemon_Singleton_Private;
 		Daemon_Singleton_Private &d;
+
+	private:
+
+		std::string DaemonDataDir;
 	};
 
 #if defined(QT_GUI_LIB) // check if QT

daemon/HTTPServer.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -160,7 +160,7 @@ namespace http {
 		if (level == "none" || level == "error" || level == "warn" || level == "info" || level == "debug")
 			i2p::log::Logger().SetLogLevel(level);
 		else {
-			LogPrint(eLogError, "HTTPServer: unknown loglevel set attempted");
+			LogPrint(eLogError, "HTTPServer: Unknown loglevel set attempted");
 			return;
 		}
 		i2p::log::Logger().Reopen ();
@@ -182,7 +182,7 @@ namespace http {
 			"  <meta charset=\"UTF-8\">\r\n"
 			"  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n"
 			"  <link rel=\"shortcut icon\" href=\"" << itoopieFavicon << "\">\r\n"
-			"  <title>Purple I2P " VERSION " Webconsole</title>\r\n";
+			"  <title>Purple I2P Webconsole</title>\r\n";
 		GetStyles(s);
 		s <<
 			"</head>\r\n"
@@ -196,8 +196,10 @@ namespace http {
 		if (i2p::context.IsFloodfill ())
 			s << "  <a href=\"" << webroot << "?page=" << HTTP_PAGE_LEASESETS << "\">" << tr("LeaseSets") << "</a><br>\r\n";
 		s <<
-			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">" << tr("Tunnels") << "</a><br>\r\n"
+			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">" << tr("Tunnels") << "</a><br>\r\n";
-			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">" << tr("Transit Tunnels") << "</a><br>\r\n"
+		if (i2p::context.AcceptsTunnels () || i2p::tunnel::tunnels.CountTransitTunnels())
+			s << "  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">" << tr("Transit Tunnels") << "</a><br>\r\n";
+		s <<
 			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSPORTS << "\">" << tr ("Transports") << "</a><br>\r\n"
 			"  <a href=\"" << webroot << "?page=" << HTTP_PAGE_I2P_TUNNELS << "\">" << tr("I2P tunnels") << "</a><br>\r\n";
 		if (i2p::client::context.GetSAMBridge ())
@@ -307,36 +309,37 @@ namespace http {
 			s << "<b>"<< tr("Our external address") << ":</b>" << "<br>\r\n<table class=\"extaddr\"><tbody>\r\n";
 			for (const auto& address : i2p::context.GetRouterInfo().GetAddresses())
 			{
-				s << "<tr>\r\n";
+				s << "<tr>\r\n<td>";
-				if (address->IsNTCP2 () && !address->IsPublishedNTCP2 ())
-				{
-					s << "<td>NTCP2";
-					if (address->host.is_v6 ()) s << "v6";
-					s << "</td><td>" << tr("supported") << "</td>\r\n</tr>\r\n";
-					continue;
-				}
 				switch (address->transportStyle)
 				{
 					case i2p::data::RouterInfo::eTransportNTCP:
-					{
+						s << "NTCP2";
-						s << "<td>NTCP";
-						if (address->IsPublishedNTCP2 ()) s << "2";
-						if (address->host.is_v6 ()) s << "v6";
-						s << "</td>\r\n";
 					break;
-					}
 					case i2p::data::RouterInfo::eTransportSSU:
-					{
+						s << "SSU";
-						s << "<td>SSU";
+					break;
-						if (address->host.is_v6 ())
+					case i2p::data::RouterInfo::eTransportSSU2:
-							s << "v6";
+						s << "SSU2";
-						s << "</td>\r\n";
 					break;
-					}
 					default:
-						s << "<td>" << tr("Unknown") << "</td>\r\n";
+						s << tr("Unknown");
 				}
-				s << "<td>" << address->host.to_string() << ":" << address->port << "</td>\r\n</tr>\r\n";
+				if (address->IsV6 ())
+				{
+					if (address->IsV4 ()) s << "v4";
+					s << "v6";
+				}
+				s << "</td>\r\n";
+				if (address->published)
+					s << "<td>" << address->host.to_string() << ":" << address->port << "</td>\r\n";
+				else
+				{
+					s << "<td>" << tr("supported");
+					if (address->port)
+						s << " :" << address->port;
+					s << "</td>\r\n";
+				}
+				s << "</tr>\r\n";
 			}
 			s << "</tbody></table>\r\n";
 		}
@@ -416,7 +419,7 @@ namespace http {
 			s << "</div>\r\n</div>\r\n";
 		}
 
-		if(dest->IsPublic())
+		if (dest->IsPublic() && token && !dest->IsEncryptedLeaseSet ())
 		{
 			std::string webroot; i2p::config::GetOption("http.webroot", webroot);
 			auto base32 = dest->GetIdentHash ().ToBase32 ();
@@ -446,7 +449,17 @@ namespace http {
 			s << "<b>" << tr("Inbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 			for (auto & it : pool->GetInboundTunnels ()) {
 				s << "<div class=\"listitem\">";
-				it->Print(s);
+				// for each tunnel hop if not zero-hop
+				if (it->GetNumHops ())
+				{
+					it->VisitTunnelHops(
+						[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+						{
+							s << "&#8658; " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " ";
+						}
+					);
+				}
+				s << "&#8658; " << it->GetTunnelID () << ":me";
 				if (it->LatencyIsKnown())
 					s << " ( " << it->GetMeanLatency() << tr(/* tr: Milliseconds */ "ms") << " )";
 				ShowTunnelDetails(s, it->GetState (), false, it->GetNumReceivedBytes ());
@@ -456,7 +469,17 @@ namespace http {
 			s << "<b>" << tr("Outbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 			for (auto & it : pool->GetOutboundTunnels ()) {
 				s << "<div class=\"listitem\">";
-				it->Print(s);
+				s << it->GetTunnelID () << ":me &#8658;";
+				// for each tunnel hop if not zero-hop
+				if (it->GetNumHops ())
+				{
+					it->VisitTunnelHops(
+						[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+						{
+							s << " " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " &#8658;";
+						}
+					);
+				}
 				if (it->LatencyIsKnown())
 					s << " ( " << it->GetMeanLatency() << tr("ms") << " )";
 				ShowTunnelDetails(s, it->GetState (), false, it->GetNumSentBytes ());
@@ -630,7 +653,16 @@ namespace http {
 		s << "<b>" << tr("Inbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 		for (auto & it : i2p::tunnel::tunnels.GetInboundTunnels ()) {
 			s << "<div class=\"listitem\">";
-			it->Print(s);
+			if (it->GetNumHops ())
+			{
+				it->VisitTunnelHops(
+					[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+					{
+						s << "&#8658; " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " ";
+					}
+				);
+			}
+			s << "&#8658; " << it->GetTunnelID () << ":me";
 			if (it->LatencyIsKnown())
 			s << " ( " << it->GetMeanLatency() << tr("ms") << " )";
 			ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumReceivedBytes ());
@@ -640,7 +672,17 @@ namespace http {
 		s << "<b>" << tr("Outbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
 		for (auto & it : i2p::tunnel::tunnels.GetOutboundTunnels ()) {
 			s << "<div class=\"listitem\">";
-			it->Print(s);
+			s << it->GetTunnelID () << ":me &#8658;";
+			// for each tunnel hop if not zero-hop
+			if (it->GetNumHops ())
+			{
+				it->VisitTunnelHops(
+					[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
+					{
+						s << " " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " &#8658;";
+					}
+				);
+			}
 			if (it->LatencyIsKnown())
 			s << " ( " << it->GetMeanLatency() << tr("ms") << " )";
 			ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumSentBytes ());
@@ -736,7 +778,7 @@ namespace http {
 	}
 
 	template<typename Sessions>
-	static void ShowNTCPTransports (std::stringstream& s, const Sessions& sessions, const std::string name)
+	static void ShowTransportSessions (std::stringstream& s, const Sessions& sessions, const std::string name)
 	{
 		std::stringstream tmp_s, tmp_s6; uint16_t cnt = 0, cnt6 = 0;
 		for (const auto& it: sessions )
@@ -749,6 +791,8 @@ namespace http {
 					<< it.second->GetRemoteEndpoint ().address ().to_string ();
 				if (!it.second->IsOutgoing ()) tmp_s << " &#8658; ";
 				tmp_s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
+				if (it.second->GetRelayTag ())
+					tmp_s << " [itag:" << it.second->GetRelayTag () << "]";
 				tmp_s << "</div>\r\n" << std::endl;
 				cnt++;
 			}
@@ -760,6 +804,8 @@ namespace http {
 					<< "[" << it.second->GetRemoteEndpoint ().address ().to_string () << "]";
 				if (!it.second->IsOutgoing ()) tmp_s6 << " &#8658; ";
 				tmp_s6 << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
+				if (it.second->GetRelayTag ())
+					tmp_s6 << " [itag:" << it.second->GetRelayTag () << "]";
 				tmp_s6 << "</div>\r\n" << std::endl;
 				cnt6++;
 			}
@@ -786,7 +832,7 @@ namespace http {
 		{
 			auto sessions = ntcp2Server->GetNTCP2Sessions ();
 			if (!sessions.empty ())
-				ShowNTCPTransports (s, sessions, "NTCP2");
+				ShowTransportSessions (s, sessions, "NTCP2");
 		}
 		auto ssuServer = i2p::transport::transports.GetSSUServer ();
 		if (ssuServer)
@@ -828,6 +874,13 @@ namespace http {
 				s << "</div>\r\n</div>\r\n";
 			}
 		}
+		auto ssu2Server = i2p::transport::transports.GetSSU2Server ();
+		if (ssu2Server)
+		{
+			auto sessions = ssu2Server->GetSSU2Sessions ();
+			if (!sessions.empty ())
+				ShowTransportSessions (s, sessions, "SSU2");
+		}
 	}
 
 	void ShowSAMSessions (std::stringstream& s)
@@ -1039,7 +1092,7 @@ namespace http {
 			if (expected == provided) return true;
 		}
 
-		LogPrint(eLogWarning, "HTTPServer: auth failure from ", m_Socket->remote_endpoint().address ());
+		LogPrint(eLogWarning, "HTTPServer: Auth failure from ", m_Socket->remote_endpoint().address ());
 		return false;
 	}
 
@@ -1049,7 +1102,7 @@ namespace http {
 		std::string content;
 		HTTPRes res;
 
-		LogPrint(eLogDebug, "HTTPServer: request: ", req.uri);
+		LogPrint(eLogDebug, "HTTPServer: Request: ", req.uri);
 
 		if (needAuth && !CheckAuth(req)) {
 			res.code = 401;
@@ -1057,6 +1110,7 @@ namespace http {
 			SendReply(res, content);
 			return;
 		}
+
 		bool strictheaders;
 		i2p::config::GetOption("http.strictheaders", strictheaders);
 		if (strictheaders)
@@ -1079,6 +1133,7 @@ namespace http {
 				return;
 			}
 		}
+
 		// HTML head start
 		ShowPageHead (s);
 		if (req.uri.find("page=") != std::string::npos) {
@@ -1377,7 +1432,7 @@ namespace http {
 				pass[i] = alnum[random[i] % (sizeof(alnum) - 1)];
 			}
 			i2p::config::SetOption("http.pass", pass);
-			LogPrint(eLogInfo, "HTTPServer: password set to ", pass);
+			LogPrint(eLogInfo, "HTTPServer: Password set to ", pass);
 		}
 
 		m_IsRunning = true;
@@ -1391,7 +1446,13 @@ namespace http {
 	void HTTPServer::Stop ()
 	{
 		m_IsRunning = false;
+
+		boost::system::error_code ec;
+		m_Acceptor.cancel(ec);
+		if (ec)
+			LogPrint (eLogDebug, "HTTPServer: Error while cancelling operations on acceptor: ", ec.message ());
 		m_Acceptor.close();
+
 		m_Service.stop ();
 		if (m_Thread)
 		{
@@ -1412,7 +1473,7 @@ namespace http {
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "HTTPServer: runtime exception: ", ex.what ());
+				LogPrint (eLogError, "HTTPServer: Runtime exception: ", ex.what ());
 			}
 		}
 	}
@@ -1427,15 +1488,13 @@ namespace http {
 	void HTTPServer::HandleAccept(const boost::system::error_code& ecode,
 		std::shared_ptr<boost::asio::ip::tcp::socket> newSocket)
 	{
-		if (ecode)
+		if (!ecode)
+			CreateConnection(newSocket);
+		else
 		{
 			if (newSocket) newSocket->close();
-			LogPrint(eLogError, "HTTP Server: error handling accept ", ecode.message());
+			LogPrint(eLogError, "HTTP Server: Error handling accept: ", ecode.message());
-			if(ecode != boost::asio::error::operation_aborted)
-				Accept();
-			return;
 		}
-		CreateConnection(newSocket);
 		Accept ();
 	}
 

daemon/HTTPServerResources.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -34,49 +34,57 @@ namespace http
 	// bundled style sheet
 	const std::string internalCSS =
 		"<style>\r\n"
-		"  body { font: 100%/1.5em sans-serif; margin: 0; padding: 1.5em; background: #FAFAFA; color: #103456; }\r\n"
+		":root { --main-bg-color: #fafafa; --main-text-color: #103456; --main-link-color: #894c84; --main-link-hover-color: #fafafa; }\r\n"
-		"  a, .slide label { text-decoration: none; color: #894C84; }\r\n"
+		"@media (prefers-color-scheme: dark) { :root { --main-bg-color: #242424; --main-text-color: #17ab5c; --main-link-color: #bf64b7; --main-link-hover-color: #000000; } }\r\n"
-		"  a:hover, .slide label:hover { color: #FAFAFA; background: #894C84; }\r\n"
+		"body { font: 100%/1.5em sans-serif; margin: 0; padding: 1.5em; background: var(--main-bg-color); color: var(--main-text-color); }\r\n"
-		"  a.button { -webkit-appearance: button; -moz-appearance: button; appearance: button; text-decoration: none;\r\n"
+		"a, .slide label { text-decoration: none; color: var(--main-link-color); }\r\n"
-		"    padding: 0 5px; border: 1px solid #894C84; }\r\n"
+		"a:hover, .slide label:hover, button[type=submit]:hover { color: var(--main-link-hover-color); background: var(--main-link-color); }\r\n"
-		"  .header { font-size: 2.5em; text-align: center; margin: 1em 0; color: #894C84; }\r\n"
+		"a.button { appearance: button; text-decoration: none; padding: 0 5px; border: 1px solid var(--main-link-color); }\r\n"
+		".header { font-size: 2.5em; text-align: center; margin: 1em 0; color: var(--main-link-color); }\r\n"
 		".wrapper { margin: 0 auto; padding: 1em; max-width: 64em; }\r\n"
-		"  .menu { display: block; float: left; overflow: hidden; max-width: 12em; white-space: nowrap; text-overflow: ellipsis; }\r\n"
+		".menu { display: block; float: left; overflow: hidden; padding: 4px; max-width: 12em; white-space: nowrap; text-overflow: ellipsis ;}\r\n"
 		".listitem { display: block; font-family: monospace; font-size: 1.2em; white-space: nowrap; }\r\n"
 		".tableitem { font-family: monospace; font-size: 1.2em; white-space: nowrap; }\r\n"
-		"  .content { float: left; font-size: 1em; margin-left: 4em; max-width: 48em; overflow: auto; }\r\n"
+		".content { float: left; font-size: 1em; margin-left: 2em; padding: 4px; max-width: 50em; overflow: auto; }\r\n"
-		"  .tunnel.established { color: #56B734; } .tunnel.expiring { color: #D3AE3F; }\r\n"
+		".tunnel.established { color: #56B734; }\r\n"
-		"  .tunnel.failed { color: #D33F3F; } .tunnel.building { color: #434343; }\r\n"
+		".tunnel.expiring { color: #D3AE3F; }\r\n"
-		"  caption { font-size: 1.5em; text-align: center; color: #894C84; }\r\n"
+		".tunnel.failed { color: #D33F3F; }\r\n"
+		".tunnel.building { color: #434343; }\r\n"
+		"caption { font-size: 1.5em; text-align: center; color: var(--main-link-color); }\r\n"
 		"table { display: table; border-collapse: collapse; text-align: center; }\r\n"
-		"  table.extaddr { text-align: left; } table.services { width: 100%; }\r\n"
+		"table.extaddr { text-align: left; }\r\n"
-		"  textarea { word-break: break-all; }\r\n"
+		"table.services { width: 100%; }\r\n"
+		"textarea { background-color: var(--main-bg-color); color: var(--main-text-color); word-break: break-all; }\r\n"
 		".streamdest { width: 120px; max-width: 240px; overflow: hidden; text-overflow: ellipsis; }\r\n"
 		".slide div.slidecontent, .slide [type=\"checkbox\"] { display: none; }\r\n"
 		".slide [type=\"checkbox\"]:checked ~ div.slidecontent { display: block; margin-top: 0; padding: 0; }\r\n"
-		"  .disabled { color: #D33F3F; } .enabled { color: #56B734; }\r\n"
+		".disabled { color: #D33F3F; }\r\n"
-		"  @media screen and (max-width: 1150px) {\r\n" /* adaptive style */
+		".enabled { color: #56B734; }\r\n"
-		"    .wrapper { max-width: 58em; } .menu { max-width: 10em; }\r\n"
+		"button[type=submit] { background-color: transparent; color: var(--main-link-color); text-decoration: none;\r\n"
-		"    .content { margin-left: 2em; max-width: 42em; }\r\n"
+		"	padding: 5px; border: 1px solid var(--main-link-color); font-size: 14px; }\r\n"
+		"input, select, select option { background-color: var(--main-bg-color); color: var(--main-link-color); padding: 5px;\r\n"
+		"	border: 1px solid var(--main-link-color); font-size: 14px; }\r\n"
+		"input:focus, select:focus, select option:focus { outline: none; }\r\n"
+		"input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }\r\n"
+		"@media screen and (max-width: 1150px) { /* adaptive style */\r\n"
+		"	.wrapper { max-width: 58em; }\r\n"
+		"	.content { max-width: 40em; }\r\n"
 		"}\r\n"
-		"  @media screen and (max-width: 980px) {\r\n"
+		"@media screen and (max-width: 980px) { body { font: 100%/1.2em sans-serif; padding: 1.2em 0 0 0; }\r\n"
-		"    body { padding: 1.5em 0 0 0; }\r\n"
+		"	.menu { width: 100%; max-width: unset; display: block; float: none; position: unset; font-size: 16px; text-align: center; }\r\n"
-		"    .menu { width: 100%; max-width: unset; display: block; float: none; position: unset; font-size: 16px;\r\n"
-		"      text-align: center; }\r\n"
 		"	.menu a, .commands a { display: inline-block; padding: 4px; }\r\n"
-		"    .content { float: none; margin-left: unset; margin-top: 16px; max-width: 100%; width: 100%;\r\n"
+		"	.content { float: none; margin-left: unset; margin-top: 16px; max-width: 100%; width: 100%; text-align: center; }\r\n"
-		"      text-align: center; }\r\n"
+		"	a, .slide label { display: block; }\r\n"
-		"    a, .slide label { /* margin-right: 10px; */ display: block; /* font-size: 18px; */ }\r\n"
+		"	.header { margin: unset; font-size: 1.5em; }\r\n"
-		"    .header { margin: unset; font-size: 1.5em; } small {display: block}\r\n"
+		"	small { display: block; }\r\n"
-		"    a.button { -webkit-appearance: button; -moz-appearance: button; appearance: button; text-decoration: none;\r\n"
+		"	a.button { appearance: button; text-decoration: none; margin-top: 10px; padding: 6px; border: 2px solid var(--main-link-color);\r\n"
-		"      margin-top: 10px; padding: 6px; border: 1px solid #894c84; width: -webkit-fill-available; }\r\n"
+		"		border-radius: 5px; width: -webkit-fill-available; }\r\n"
-		"    input, select { width: 35%; text-align: center; padding: 5px;\r\n"
+		"	input, select { width: 35%; text-align: center; padding: 5px; border: 2px solid var(--main-link-color); border-radius: 5px; font-size: 18px; }\r\n"
-		"      border: 2px solid #ccc; -webkit-border-radius: 5px; border-radius: 5px; font-size: 18px; }\r\n"
 		"	table.extaddr { margin: auto; text-align: unset; }\r\n"
-		"    textarea { width: -webkit-fill-available; height: auto; padding:5px; border:2px solid #ccc;\r\n"
+		"	textarea { width: -webkit-fill-available; height: auto; padding: 5px; border: 2px solid var(--main-link-color);\r\n"
-		"      -webkit-border-radius: 5px; border-radius: 5px; font-size: 12px; }\r\n"
+		"		border-radius: 5px; font-size: 12px; }\r\n"
-		"    button[type=submit] { padding: 5px 15px; background: #ccc; border: 0 none; cursor: pointer;\r\n"
+		"	button[type=submit] { padding: 5px 15px; background: transparent; border: 2px solid var(--main-link-color); cursor: pointer;\r\n"
-		"      -webkit-border-radius: 5px; border-radius: 5px; position: relative; height: 36px; display: -webkit-inline-box; margin-top: 10px; }\r\n"
+		"		border-radius: 5px; position: relative; height: 36px; display: -webkit-inline-box; margin-top: 10px; }\r\n"
 		"}\r\n"
 		"</style>\r\n";
 

daemon/I2PControl.cpp

@@ -1,3 +1,11 @@
+/*
+* Copyright (c) 2013-2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
 #include <stdio.h>
 #include <sstream>
 #include <openssl/x509.h>
@@ -48,10 +56,10 @@ namespace client
 		if (i2pcp_key.at(0) != '/')
 			i2pcp_key = i2p::fs::DataDirPath(i2pcp_key);
 		if (!i2p::fs::Exists (i2pcp_crt) || !i2p::fs::Exists (i2pcp_key)) {
-			LogPrint (eLogInfo, "I2PControl: creating new certificate for control connection");
+			LogPrint (eLogInfo, "I2PControl: Creating new certificate for control connection");
 			CreateCertificate (i2pcp_crt.c_str(), i2pcp_key.c_str());
 		} else {
-			LogPrint(eLogDebug, "I2PControl: using cert from ", i2pcp_crt);
+			LogPrint(eLogDebug, "I2PControl: Using cert from ", i2pcp_crt);
 		}
 		m_SSLContext.set_options (boost::asio::ssl::context::default_workarounds | boost::asio::ssl::context::no_sslv2 | boost::asio::ssl::context::single_dh_use);
 		m_SSLContext.use_certificate_file (i2pcp_crt, boost::asio::ssl::context::pem);
@@ -79,8 +87,7 @@ namespace client
 		m_RouterInfoHandlers["i2p.router.net.bw.outbound.1s"]        = &I2PControlService::OutboundBandwidth1S;
 		m_RouterInfoHandlers["i2p.router.net.status"]                = &I2PControlService::NetStatusHandler;
 		m_RouterInfoHandlers["i2p.router.net.tunnels.participating"] = &I2PControlService::TunnelsParticipatingHandler;
-		m_RouterInfoHandlers["i2p.router.net.tunnels.successrate"] =
+		m_RouterInfoHandlers["i2p.router.net.tunnels.successrate"]   = &I2PControlService::TunnelsSuccessRateHandler;
-&I2PControlService::TunnelsSuccessRateHandler;
 		m_RouterInfoHandlers["i2p.router.net.total.received.bytes"]  = &I2PControlService::NetTotalReceivedBytes;
 		m_RouterInfoHandlers["i2p.router.net.total.sent.bytes"]      = &I2PControlService::NetTotalSentBytes;
 
@@ -142,7 +149,7 @@ namespace client
 			try {
 				m_Service.run ();
 			} catch (std::exception& ex) {
-				LogPrint (eLogError, "I2PControl: runtime exception: ", ex.what ());
+				LogPrint (eLogError, "I2PControl: Runtime exception: ", ex.what ());
 			}
 		}
 	}
@@ -160,10 +167,10 @@ namespace client
 			Accept ();
 
 		if (ecode) {
-			LogPrint (eLogError, "I2PControl: accept error: ",  ecode.message ());
+			LogPrint (eLogError, "I2PControl: Accept error: ", ecode.message ());
 			return;
 		}
-		LogPrint (eLogDebug, "I2PControl: new request from ", socket->lowest_layer ().remote_endpoint ());
+		LogPrint (eLogDebug, "I2PControl: New request from ", socket->lowest_layer ().remote_endpoint ());
 		Handshake (socket);
 	}
 
@@ -176,7 +183,7 @@ namespace client
 	void I2PControlService::HandleHandshake (const boost::system::error_code& ecode, std::shared_ptr<ssl_socket> socket)
 	{
 		if (ecode) {
-			LogPrint (eLogError, "I2PControl: handshake error: ", ecode.message ());
+			LogPrint (eLogError, "I2PControl: Handshake error: ", ecode.message ());
 			return;
 		}
 		//std::this_thread::sleep_for (std::chrono::milliseconds(5));
@@ -202,7 +209,7 @@ namespace client
 	{
 		if (ecode)
 		{
-			LogPrint (eLogError, "I2PControl: read error: ", ecode.message ());
+			LogPrint (eLogError, "I2PControl: Read error: ", ecode.message ());
 			return;
 		}
 		else
@@ -225,7 +232,7 @@ namespace client
 					}
 					if (ss.eof ())
 					{
-						LogPrint (eLogError, "I2PControl: malformed request, HTTP header expected");
+						LogPrint (eLogError, "I2PControl: Malformed request, HTTP header expected");
 						return; // TODO:
 					}
 					std::streamoff rem = contentLength + ss.tellg () - bytes_transferred; // more bytes to read
@@ -250,7 +257,7 @@ namespace client
 				}
 				else
 				{
-					LogPrint (eLogWarning, "I2PControl: unknown method ", method);
+					LogPrint (eLogWarning, "I2PControl: Unknown method ", method);
 					response << "{\"id\":null,\"error\":";
 					response << "{\"code\":-32601,\"message\":\"Method not found\"},";
 					response << "\"jsonrpc\":\"2.0\"}";
@@ -259,7 +266,7 @@ namespace client
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "I2PControl: exception when handle request: ", ex.what ());
+				LogPrint (eLogError, "I2PControl: Exception when handle request: ", ex.what ());
 				std::ostringstream response;
 				response << "{\"id\":null,\"error\":";
 				response << "{\"code\":-32700,\"message\":\"" << ex.what () << "\"},";
@@ -268,7 +275,7 @@ namespace client
 			}
 			catch (...)
 			{
-				LogPrint (eLogError, "I2PControl: handle request unknown exception");
+				LogPrint (eLogError, "I2PControl: Handle request unknown exception");
 			}
 		}
 	}
@@ -278,11 +285,16 @@ namespace client
 		ss << "\"" << name << "\":" << value;
 	}
 
-	void I2PControlService::InsertParam (std::ostringstream& ss, const std::string& name, const std::string& value) const
+	void I2PControlService::InsertParam (std::ostringstream& ss, const std::string& name, const std::string& value, bool quotes) const
 	{
 		ss << "\"" << name << "\":";
 		if (value.length () > 0)
+		{
+			if (quotes)
 				ss << "\"" << value << "\"";
+			else
+				ss << value;
+		}
 		else
 			ss << "null";
 	}
@@ -329,7 +341,7 @@ namespace client
 		std::shared_ptr<ssl_socket> socket, std::shared_ptr<I2PControlBuffer> buf)
 	{
 		if (ecode) {
-			LogPrint (eLogError, "I2PControl: write error: ", ecode.message ());
+			LogPrint (eLogError, "I2PControl: Write error: ", ecode.message ());
 		}
 	}
 
@@ -379,7 +391,7 @@ namespace client
 
 	void I2PControlService::PasswordHandler (const std::string& value)
 	{
-		LogPrint (eLogWarning, "I2PControl: new password=", value, ", to make it persistent you should update your config!");
+		LogPrint (eLogWarning, "I2PControl: New password=", value, ", to make it persistent you should update your config!");
 		m_Password = value;
 		m_Tokens.clear ();
 	}
@@ -406,7 +418,7 @@ namespace client
 
 	void I2PControlService::UptimeHandler (std::ostringstream& results)
 	{
-		InsertParam (results, "i2p.router.uptime", std::to_string (i2p::context.GetUptime ()*1000LL));
+		InsertParam (results, "i2p.router.uptime", std::to_string (i2p::context.GetUptime ()*1000LL), false);
 	}
 
 	void I2PControlService::VersionHandler (std::ostringstream& results)
@@ -577,11 +589,11 @@ namespace client
 
 			// save cert
 			if ((f = fopen (crt_path, "wb")) != NULL) {
-				LogPrint (eLogInfo, "I2PControl: saving new cert to ", crt_path);
+				LogPrint (eLogInfo, "I2PControl: Saving new cert to ", crt_path);
 				PEM_write_X509 (f, x509);
 				fclose (f);
 			} else {
-				LogPrint (eLogError, "I2PControl: can't write cert: ", strerror(errno));
+				LogPrint (eLogError, "I2PControl: Can't write cert: ", strerror(errno));
 			}
 
 			// save key
@@ -590,12 +602,12 @@ namespace client
 				PEM_write_PrivateKey (f, pkey, NULL, NULL, 0, NULL, NULL);
 				fclose (f);
 			} else {
-				LogPrint (eLogError, "I2PControl: can't write key: ", strerror(errno));
+				LogPrint (eLogError, "I2PControl: Can't write key: ", strerror(errno));
 			}
 
 			X509_free (x509);
 		} else {
-			LogPrint (eLogError, "I2PControl: can't create RSA key for certificate");
+			LogPrint (eLogError, "I2PControl: Can't create RSA key for certificate");
 		}
 		EVP_PKEY_free (pkey);
 	}

daemon/I2PControl.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -65,7 +65,7 @@ namespace client
 
 			void InsertParam (std::ostringstream& ss, const std::string& name, int value) const;
 			void InsertParam (std::ostringstream& ss, const std::string& name, double value) const;
-			void InsertParam (std::ostringstream& ss, const std::string& name, const std::string& value) const;
+			void InsertParam (std::ostringstream& ss, const std::string& name, const std::string& value, bool quotes = true) const;
 			void InsertParam (std::ostringstream& ss, const std::string& name, const boost::property_tree::ptree& value) const;
 
 			// methods

daemon/UPnP.cpp

@@ -29,7 +29,7 @@ namespace transport
 	{
 		if (m_IsRunning)
 		{
-			LogPrint(eLogInfo, "UPnP: stopping");
+			LogPrint(eLogInfo, "UPnP: Stopping");
 			m_IsRunning = false;
 			m_Timer.cancel ();
 			m_Service.stop ();
@@ -46,7 +46,7 @@ namespace transport
 	void UPnP::Start()
 	{
 		m_IsRunning = true;
-		LogPrint(eLogInfo, "UPnP: starting");
+		LogPrint(eLogInfo, "UPnP: Starting");
 		m_Service.post (std::bind (&UPnP::Discover, this));
 		std::unique_lock<std::mutex> l(m_StartedMutex);
 		m_Thread.reset (new std::thread (std::bind (&UPnP::Run, this)));
@@ -72,7 +72,7 @@ namespace transport
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "UPnP: runtime exception: ", ex.what ());
+				LogPrint (eLogError, "UPnP: Runtime exception: ", ex.what ());
 				PortMapping ();
 			}
 		}
@@ -106,7 +106,7 @@ namespace transport
 
 		if (isError)
 		{
-			LogPrint (eLogError, "UPnP: unable to discover Internet Gateway Devices: error ", err);
+			LogPrint (eLogError, "UPnP: Unable to discover Internet Gateway Devices: error ", err);
 			return;
 		}
 
@@ -117,22 +117,22 @@ namespace transport
 			err = UPNP_GetExternalIPAddress (m_upnpUrls.controlURL, m_upnpData.first.servicetype, m_externalIPAddress);
 			if(err != UPNPCOMMAND_SUCCESS)
 			{
-				LogPrint (eLogError, "UPnP: unable to get external address: error ", err);
+				LogPrint (eLogError, "UPnP: Unable to get external address: error ", err);
 				return;
 			}
 			else
 			{
-				LogPrint (eLogError, "UPnP: found Internet Gateway Device ", m_upnpUrls.controlURL);
+				LogPrint (eLogError, "UPnP: Found Internet Gateway Device ", m_upnpUrls.controlURL);
 				if (!m_externalIPAddress[0])
 				{
-					LogPrint (eLogError, "UPnP: found Internet Gateway Device doesn't know our external address");
+					LogPrint (eLogError, "UPnP: Found Internet Gateway Device doesn't know our external address");
 					return;
 				}
 			}
 		}
 		else
 		{
-			LogPrint (eLogError, "UPnP: unable to find valid Internet Gateway Device: error ", err);
+			LogPrint (eLogError, "UPnP: Unable to find valid Internet Gateway Device: error ", err);
 			return;
 		}
 
@@ -183,7 +183,7 @@ namespace transport
 		err = CheckMapping (strPort.c_str (), strType.c_str ());
 		if (err != UPNPCOMMAND_SUCCESS) // if mapping not found
 		{
-			LogPrint (eLogDebug, "UPnP: possibly port ", strPort, " is not forwarded: return code ", err);
+			LogPrint (eLogDebug, "UPnP: Port ", strPort, " is possibly not forwarded: return code ", err);
 
 #if ((MINIUPNPC_API_VERSION >= 8) || defined (UPNPDISCOVER_SUCCESS))
 			err = UPNP_AddPortMapping (m_upnpUrls.controlURL, m_upnpData.first.servicetype, strPort.c_str (), strPort.c_str (), m_NetworkAddr, strDesc.c_str (), strType.c_str (), NULL, NULL);
@@ -192,18 +192,18 @@ namespace transport
 #endif
 			if (err != UPNPCOMMAND_SUCCESS)
 			{
-				LogPrint (eLogError, "UPnP: port forwarding to ", m_NetworkAddr, ":", strPort, " failed: return code ", err);
+				LogPrint (eLogError, "UPnP: Port forwarding to ", m_NetworkAddr, ":", strPort, " failed: return code ", err);
 				return;
 			}
 			else
 			{
-				LogPrint (eLogInfo, "UPnP: port successfully forwarded (", m_externalIPAddress ,":", strPort, " type ", strType, " -> ", m_NetworkAddr ,":", strPort ,")");
+				LogPrint (eLogInfo, "UPnP: Port successfully forwarded (", m_externalIPAddress ,":", strPort, " type ", strType, " -> ", m_NetworkAddr ,":", strPort ,")");
 				return;
 			}
 		}
 		else
 		{
-			LogPrint (eLogDebug, "UPnP: external forward from ", m_NetworkAddr, ":", strPort, " exists on current Internet Gateway Device");
+			LogPrint (eLogDebug, "UPnP: External forward from ", m_NetworkAddr, ":", strPort, " exists on current Internet Gateway Device");
 			return;
 		}
 	}

daemon/UnixDaemon.cpp

@@ -24,6 +24,7 @@
 #include "Tunnel.h"
 #include "RouterContext.h"
 #include "ClientContext.h"
+#include "Transports.h"
 
 void handle_signal(int sig)
 {
@@ -54,6 +55,14 @@ void handle_signal(int sig)
 		case SIGPIPE:
 			LogPrint(eLogInfo, "SIGPIPE received");
 		break;
+		case SIGTSTP:
+			LogPrint(eLogInfo, "Daemon: Got SIGTSTP, disconnecting from network...");
+			i2p::transport::transports.SetOnline(false);
+		break;
+		case SIGCONT:
+			LogPrint(eLogInfo, "Daemon: Got SIGCONT, restoring connection to network...");
+			i2p::transport::transports.SetOnline(true);
+		break;
 	}
 }
 
@@ -72,7 +81,8 @@ namespace i2p
 
 				if (pid < 0) // error
 				{
-					LogPrint(eLogError, "Daemon: could not fork: ", strerror(errno));
+					LogPrint(eLogError, "Daemon: Could not fork: ", strerror(errno));
+					std::cerr << "i2pd: Could not fork: " << strerror(errno) << std::endl;
 					return false;
 				}
 
@@ -81,13 +91,15 @@ namespace i2p
 				int sid = setsid();
 				if (sid < 0)
 				{
-					LogPrint(eLogError, "Daemon: could not create process group.");
+					LogPrint(eLogError, "Daemon: Could not create process group.");
+					std::cerr << "i2pd: Could not create process group." << std::endl;
 					return false;
 				}
 				std::string d = i2p::fs::GetDataDir();
 				if (chdir(d.c_str()) != 0)
 				{
-					LogPrint(eLogError, "Daemon: could not chdir: ", strerror(errno));
+					LogPrint(eLogError, "Daemon: Could not chdir: ", strerror(errno));
+					std::cerr << "i2pd: Could not chdir: " << strerror(errno) << std::endl;
 					return false;
 				}
 
@@ -102,14 +114,14 @@ namespace i2p
 			uint16_t nfiles; i2p::config::GetOption("limits.openfiles", nfiles);
 			getrlimit(RLIMIT_NOFILE, &limit);
 			if (nfiles == 0) {
-				LogPrint(eLogInfo, "Daemon: using system limit in ", limit.rlim_cur, " max open files");
+				LogPrint(eLogInfo, "Daemon: Using system limit in ", limit.rlim_cur, " max open files");
 			} else if (nfiles <= limit.rlim_max) {
 				limit.rlim_cur = nfiles;
 				if (setrlimit(RLIMIT_NOFILE, &limit) == 0) {
-					LogPrint(eLogInfo, "Daemon: set max number of open files to ",
+					LogPrint(eLogInfo, "Daemon: Set max number of open files to ",
 						nfiles, " (system limit is ", limit.rlim_max, ")");
 				} else {
-					LogPrint(eLogError, "Daemon: can't set max number of open files: ", strerror(errno));
+					LogPrint(eLogError, "Daemon: Can't set max number of open files: ", strerror(errno));
 				}
 			} else {
 				LogPrint(eLogError, "Daemon: limits.openfiles exceeds system limit: ", limit.rlim_max);
@@ -122,11 +134,11 @@ namespace i2p
 				if (cfsize <= limit.rlim_max) {
 					limit.rlim_cur = cfsize;
 					if (setrlimit(RLIMIT_CORE, &limit) != 0) {
-						LogPrint(eLogError, "Daemon: can't set max size of coredump: ", strerror(errno));
+						LogPrint(eLogError, "Daemon: Can't set max size of coredump: ", strerror(errno));
 					} else if (cfsize == 0) {
 						LogPrint(eLogInfo, "Daemon: coredumps disabled");
 					} else {
-						LogPrint(eLogInfo, "Daemon: set max size of core files to ", cfsize / 1024, "Kb");
+						LogPrint(eLogInfo, "Daemon: Set max size of core files to ", cfsize / 1024, "Kb");
 					}
 				} else {
 					LogPrint(eLogError, "Daemon: limits.coresize exceeds system limit: ", limit.rlim_max);
@@ -143,14 +155,16 @@ namespace i2p
 				pidFH = open(pidfile.c_str(), O_RDWR | O_CREAT, 0600);
 				if (pidFH < 0)
 				{
-					LogPrint(eLogError, "Daemon: could not create pid file ", pidfile, ": ", strerror(errno));
+					LogPrint(eLogError, "Daemon: Could not create pid file ", pidfile, ": ", strerror(errno));
+					std::cerr << "i2pd: Could not create pid file " << pidfile << ": " << strerror(errno) << std::endl;
 					return false;
 				}
 
 #ifndef ANDROID
 				if (lockf(pidFH, F_TLOCK, 0) != 0)
 				{
-					LogPrint(eLogError, "Daemon: could not lock pid file ", pidfile, ": ", strerror(errno));
+					LogPrint(eLogError, "Daemon: Could not lock pid file ", pidfile, ": ", strerror(errno));
+					std::cerr << "i2pd: Could not lock pid file " << pidfile << ": " << strerror(errno) << std::endl;
 					return false;
 				}
 #endif
@@ -159,12 +173,16 @@ namespace i2p
 				ftruncate(pidFH, 0);
 				if (write(pidFH, pid, strlen(pid)) < 0)
 				{
-					LogPrint(eLogError, "Daemon: could not write pidfile: ", strerror(errno));
+					LogPrint(eLogError, "Daemon: Could not write pidfile ", pidfile, ": ", strerror(errno));
+					std::cerr << "i2pd: Could not write pidfile " << pidfile << ": " << strerror(errno) << std::endl;
 					return false;
 				}
 			}
 			gracefulShutdownInterval = 0; // not specified
 
+			// handle signal TSTP
+			bool handleTSTP; i2p::config::GetOption("unix.handle_sigtstp", handleTSTP);
+
 			// Signal handler
 			struct sigaction sa;
 			sa.sa_handler = handle_signal;
@@ -176,6 +194,11 @@ namespace i2p
 			sigaction(SIGTERM, &sa, 0);
 			sigaction(SIGINT, &sa, 0);
 			sigaction(SIGPIPE, &sa, 0);
+			if (handleTSTP)
+			{
+				sigaction(SIGTSTP, &sa, 0);
+				sigaction(SIGCONT, &sa, 0);
+			}
 
 			return Daemon_Singleton::start();
 		}

debian/changelog

@@ -1,3 +1,28 @@
+i2pd (2.42.1-1) unstable; urgency=medium
+
+  * updated to version 2.42.1/0.9.54
+  * remove -O3 optimization flag
+
+ -- r4sas <r4sas@i2pmail.org>  Tue, 24 May 2022 12:00:00 +0000
+
+i2pd (2.42.0-1) unstable; urgency=medium
+
+  * updated to version 2.42.0/0.9.54
+
+ -- orignal <orignal@i2pmail.org>  Sun, 22 May 2022 16:00:00 +0000
+
+i2pd (2.41.0-1) unstable; urgency=medium
+
+  * updated to version 2.41.0/0.9.53
+
+ -- r4sas <r4sas@i2pmail.org>  Sun, 20 Feb 2022 13:00:00 +0000
+
+i2pd (2.40.0-1) unstable; urgency=medium
+
+  * updated to version 2.40.0/0.9.52
+
+ -- orignal <orignal@i2pmail.org>  Mon, 29 Nov 2021 16:00:00 +0000
+
 i2pd (2.39.0-1) unstable; urgency=medium
 
   * updated to version 2.39.0/0.9.51

debian/patches/02-upnp.patch

@@ -2,16 +2,16 @@ Description: Enable UPnP usage in package
 Author: r4sas <r4sas@i2pmail.org>
 
 Reviewed-By: r4sas <r4sas@i2pmail.org>
-Last-Update: 2021-01-16
+Last-Update: 2022-03-23
 
 --- i2pd.orig/Makefile
 +++ i2pd/Makefile
-@@ -21,7 +21,7 @@ include filelist.mk
+@@ -31,7 +31,7 @@ include filelist.mk
+ 
  USE_AESNI       := $(or $(USE_AESNI),yes)
  USE_STATIC      := $(or $(USE_STATIC),no)
- USE_MESHNET	:= $(or $(USE_MESHNET),no)
 -USE_UPNP        := $(or $(USE_UPNP),no)
 +USE_UPNP        := $(or $(USE_UPNP),yes)
  DEBUG           := $(or $(DEBUG),yes)
  
- ifeq ($(DEBUG),yes)
+ # for debugging purposes only, when commit hash needed in trunk builds in i2pd version string

debian/rules

@@ -1,16 +1,13 @@
 #!/usr/bin/make -f
 #export DH_VERBOSE=1
-
-
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
-
 include /usr/share/dpkg/architecture.mk
 
-export DEB_CXXFLAGS_MAINT_APPEND  = -Wall -pedantic -O3
+export DEB_CXXFLAGS_MAINT_APPEND  = -Wall -pedantic
-
 export DEB_LDFLAGS_MAINT_APPEND =
 
-
 %:
 	dh $@ --parallel
+
+override_dh_auto_install:

i18n/Armenian.cpp

@@ -0,0 +1,215 @@
+/*
+* Copyright (c) 2021, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#include <map>
+#include <vector>
+#include <string>
+#include <memory>
+#include "I18N.h"
+
+// Armenian localization file
+
+namespace i2p
+{
+namespace i18n
+{
+namespace armenian // language namespace
+{
+	// language name in lowercase
+	static std::string language = "armenian";
+
+	// See for language plural forms here:
+	// https://localization-guide.readthedocs.io/en/latest/l10n/pluralforms.html
+	static int plural (int n) {
+		return n != 1 ? 1 : 0;
+	}
+
+	static std::map<std::string, std::string> strings
+	{
+		{"KiB", "ԿիԲ"},
+		{"MiB", "ՄիԲ"},
+		{"GiB", "ԳիԲ"},
+		{"building", "կառուցվում է"},
+		{"failed", "Անհաջող"},
+		{"expiring", "Լրանում է"},
+		{"established", "կարգավոյված է"},
+		{"unknown", "անհայտ"},
+		{"exploratory", "հետազոտոկան"},
+		{"<b>i2pd</b> webconsole", "Վեբ-կոնսոլ <b>i2pd</b>"},
+		{"Main page", "Գլխավոր էջ"},
+		{"Router commands", "Երթուղիչի հրահանգներ"},
+		{"Local Destinations", "Տեղական վերջնակետերը"},
+		{"LeaseSets", "ԼիզՍեթեր"},
+		{"Tunnels", "Թունելներ"},
+		{"Transit Tunnels", "Տարանցիկ թունելներ"},
+		{"Transports", "Տրանսպորտ"},
+		{"I2P tunnels", "I2P թունելներ"},
+		{"SAM sessions", "SAM նստաշրջաններ"},
+		{"ERROR", "ՍԽԱԼ"},
+		{"OK", "ԼԱՎ"},
+		{"Testing", "Փորձարկում"},
+		{"Firewalled", "Արգելափակված է դրսից"},
+		{"Unknown", "Անհայտ"},
+		{"Proxy", "Պրոկսի"},
+		{"Mesh", "MESH-ցանց"},
+		{"Error", "Սխալ"},
+		{"Clock skew", "Ոչ ճշգրիտ ժամանակ"},
+		{"Offline", "Օֆլայն"},
+		{"Symmetric NAT", "Սիմետրիկ NAT"},
+		{"Uptime", "Առկայություն"},
+		{"Network status", "Ցանցի կարգավիճակ"},
+		{"Network status v6", "Ցանցի կարգավիճակ v6"},
+		{"Stopping in", "Դադարում"},
+		{"Family", "Խմբատեսակ"},
+		{"Tunnel creation success rate", "Հաջողությամբ կառուցված թունելներ"},
+		{"Received", "Ստացվել է"},
+		{"KiB/s", "ԿիԲ/վ"},
+		{"Sent", "Ուղարկվել է"},
+		{"Transit", "Տարանցում"},
+		{"Data path", "Տվյալների ուղին"},
+		{"Hidden content. Press on text to see.", "Թաքցված բովանդակություն: Տեսնելու համար սեղմեկ տեքստին:"},
+		{"Router Ident", "Երթուղիչի նույնականացուցիչ"},
+		{"Router Family", "Երթուղիչի խումբը"},
+		{"Router Caps", "Երթուղիչի հատկություններ"},
+		{"Version", "Տարբերակ"},
+		{"Our external address", "Մեր արտաքին հասցեն"},
+		{"supported", "համատեղելի է"},
+		{"Routers", "Երթուղիչներ"},
+		{"Floodfills", "Floodfills-ներ"},
+		{"Client Tunnels", "Oգտատիրական թունելներ"},
+		{"Services", "Ծառայություններ"},
+		{"Enabled", "Միացված է"},
+		{"Disabled", "Անջատված է"},
+		{"Encrypted B33 address", "Գաղտնագրված B33 հասցեներ"},
+		{"Address registration line", "Հասցեի գրանցման տող"},
+		{"Domain", "Տիրույթ"},
+		{"Generate", "Գեներացնել"},
+		{"<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.", "<b> Նշում. </b> արդյունքի տողը կարող է օգտագործվել միայն 2LD տիրույթներ գրանցելու համար (example.i2p): Ենթատիրույթներ գրանցելու համար խնդրում ենք օգտագործել i2pd-tools գործիքակազմը"},
+		{"Address", "Հասցե"},
+		{"Type", "Տեսակը"},
+		{"EncType", "Գաղտնագրի տեսակը"},
+		{"Inbound tunnels", "Մուտքային թունելներ"},
+		{"ms", "մլվ"},
+		{"Outbound tunnels", "Ելքային թունելներ"},
+		{"Tags", "Թեգեր"},
+		{"Incoming", "Մուտքային"},
+		{"Outgoing", "ելքային"},
+		{"Destination", "Նշանակման վայր"},
+		{"Amount", "Քանակ"},
+		{"Incoming Tags", "Մուտքային պիտակներ"},
+		{"Tags sessions", "Նստաշրջանի պիտակներ"},
+		{"Status", "Կարգավիճակ"},
+		{"Local Destination", "Տեղական նշանակման կետ"},
+		{"Streams", "Հոսքեր"},
+		{"Close stream", "Փակել հոսքը"},
+		{"I2CP session not found", "I2CP նստաշրջանը գոյություն չունի"},
+		{"I2CP is not enabled", "I2CP միացված է"},
+		{"Invalid", "Անվավեր"},
+		{"Store type", "Պահեստավորման տեսակը"},
+		{"Expires", "Սպառվում է"},
+		{"Non Expired Leases",  "Չսպառված Lease-եր"},
+		{"Gateway", "Դարպաս"},
+		{"TunnelID", "Թունելի ID"},
+		{"EndDate", "Ավարտ"},
+		{"not floodfill", "ոչ floodfill-ներ"},
+		{"Queue size", "Հերթի չափսը"},
+		{"Run peer test", "Գործարկել փորձարկումը"},
+		{"Decline transit tunnels", "Մերժել տարանցիկ թունելներ"},
+		{"Accept transit tunnels", "Ընդունել տարանցիկ թունելներ"},
+		{"Cancel graceful shutdown", "Չեղարկել սահուն անջատումը"},
+		{"Start graceful shutdown", "Սկսել սահուն անջատումը"},
+		{"Force shutdown", "Հարկադիր անջատում"},
+		{"Reload external CSS styles", "Վերաբեռնեք CSS ոճաթերթը"},
+		{"<b>Note:</b> any action done here are not persistent and not changes your config files.", "<b> Նշում․ </b> այստեղ կատարված ցանկացած գործողություն մշտական ​​չէ և չի փոխում ձեր կազմաձևման ֆայլերը։"},
+		{"Logging level", "Գրառման աստիճանը"},
+		{"Transit tunnels limit", "Տարանցիկ թունելների սահմանափակում"},
+		{"Change", "Փոփոխել"},
+		{"Change language", "Փոփոխել լեզուն"},
+		{"no transit tunnels currently built", "ընթացիկ կառուցված տարանցիկ թունելներ գոյություն չունեն"},
+		{"SAM disabled", "SAM-ն անջատված է"},
+		{"no sessions currently running", "ներկայումս գործող նստաշրջաններ գոյություն չունեն"},
+		{"SAM session not found", "SAM նստաշրջան գոյություն չունի"},
+		{"SAM Session", "SAM նստաշրջան"},
+		{"Server Tunnels", "Սերվերային թունելներ"},
+		{"Client Forwards", "Օգտատիրական փոխանցումներ"},
+		{"Server Forwards", "Սերվերային փոխանցումներ"},
+		{"Unknown page", "Անհայտ էջ"},
+		{"Invalid token", "Սխալ տոկեն"},
+		{"SUCCESS", "ՀԱՋՈՂՎԱԾ"},
+		{"Stream closed", "Հոսքն անջատված է"},
+		{"Stream not found or already was closed", "Հոսքը գոյություն չունի կամ արդեն ավարտված է"},
+		{"Destination not found", "Հասցեի վայրը չի գտնվել"},
+		{"StreamID can't be null", "StreamID-ն չի կարող լինել դատարկ"},
+		{"Return to destination page", "Վերադառնալ նախորդ էջի հասցե"},
+		{"You will be redirected in 5 seconds", "Դուք կտեղափոխվեք 5 վայրկյանից"},
+		{"Transit tunnels count must not exceed 65535", "Տարանցիկ թունելների քանակը չպետք է գերազանցի 65535-ը"},
+		{"Back to commands list", "Վերադառնալ հրահանգների ցուցակ"},
+		{"Register at reg.i2p", "Գրանցել reg.i2p-ում"},
+		{"Description", "Նկարագրություն"},
+		{"A bit information about service on domain", "Մի փոքր տեղեկատվություն տիրոիյթում գտնվող ծառայության մասին"},
+		{"Submit", "Ուղարկվել"},
+		{"Domain can't end with .b32.i2p", "Տիրույթը չպետք է վերջանա .b32.i2p-ով"},
+		{"Domain must end with .i2p", "Տիրույթը պետք է վերջանա .i2p-ով"},
+		{"Such destination is not found", "Այդիպսի հասցե գոյություն չունի"},
+		{"Unknown command", "Անհայտ հրահանգ"},
+		{"Command accepted", "Հրարահանգն ընդունված է"},
+		{"Proxy error", "Պրոկսի սխալ"},
+		{"Proxy info", "Պրոկսի տեղեկություն"},
+		{"Proxy error: Host not found", "Պրոկսի սխալ՝ նման հոսթ գոյություն չունի"},
+		{"Remote host not found in router's addressbook", "Դեպի հոսթ կատարված հարցումը գոյություն չունի երթուղիչի հասցեագրքում"},
+		{"You may try to find this host on jump services below", "Ստորև Դուք կարող եք գտնել այս հոսթը jump ծառայությունների միջոցով"},
+		{"Invalid request", "Սխալ հարցում"},
+		{"Proxy unable to parse your request", "Պրոկսին չի կարող հասկանալ Ձեր հարցումը"},
+		{"addresshelper is not supported", "addresshelper-ը համատեղելի չէ"},
+		{"Host", "Հոսթ"},
+		{"added to router's addressbook from helper", "Ավելացված է երթուղիչի հասցեագրքում helper-ի միջոցով"},
+		{"Click here to proceed:", "Շարունակելու համար սեղմեք այստեղ"},
+		{"Continue", "Շարունակել"},
+		{"Addresshelper found", "addresshelper-ը գնտված է"},
+		{"already in router's addressbook", "արդեն առկա է երթուղիչի հասցեագրքում"},
+		{"Click here to update record:", "Սեղմեկ այստեղ որպեսզի թարվացնեք գրառումը"},
+		{"invalid request uri", "Սխալ ձևավորված URI հարցում"},
+		{"Can't detect destination host from request", "Չհաջողվեց հայնտաբերեկ վայրի հասցեն նշված հարցմամբ"},
+		{"Outproxy failure", "Սխալ արտաքին պրոքսի"},
+		{"bad outproxy settings", "Սխալ արտաքին պրոկսի կարգավորումներ"},
+		{"not inside I2P network, but outproxy is not enabled", "Հարցումը I2P ցանցից դուրս է, բայց արտաքին պրոքսին միացված չէ"},
+		{"unknown outproxy url", "արտաքին պրոքսիի անհայտ URL"},
+		{"cannot resolve upstream proxy", "Չհաջողվեց որոշել վերադաս պրոկսին"},
+		{"hostname too long", "Հոսթի անունը չափազանց երկար է"},
+		{"cannot connect to upstream socks proxy", "չհաջողվեց միանալ վերադաս socks պրոկսիին"},
+		{"Cannot negotiate with socks proxy", "Չհաջողվեց պայմանավորվել վերադաս socks պրոկսիի հետ"},
+		{"CONNECT error", "Սխալ CONNECT հարցում"},
+		{"Failed to Connect", "Միանալ չhաջողվեց"},
+		{"socks proxy error", "Սխալ SOCKS պրոկսի"},
+		{"failed to send request to upstream", "Չհաջողվեց հարցումն ուղարկել վերադաս պրոկսիին"},
+		{"No Reply From socks proxy", "Բացակայում է պատասխանը SOCKS պրոկսի սերվերի կողմից"},
+		{"cannot connect", "Հնարավոր չե միանալ"},
+		{"http out proxy not implemented", "Արտաքին http պրոկսին դեռ իրականացված չէ"},
+		{"cannot connect to upstream http proxy", "Չհաջողվեց միանալ վերադաս http պրոկսի սերվերին"},
+		{"Host is down", "Հոսթն անհասանելի է"},
+		{"Can't create connection to requested host, it may be down. Please try again later.", "Հոսթի հետ կապը հաստատել չհաջողվեց, հնարավոր է այն անջատված է, փորձեք միանալ քիչ ուշ"},
+		{"", ""},
+	};
+
+	static std::map<std::string, std::vector<std::string>> plurals
+	{
+		{"days",    {"օր", "օր"}},
+		{"hours",   {"ժամ", "ժամ"}},
+		{"minutes", {"րոպե", "րոպե"}},
+		{"seconds", {"վարկյան", "վարկյան"}},
+		{"", {"", ""}},
+	};
+
+	std::shared_ptr<const i2p::i18n::Locale> GetLocale()
+	{
+		return std::make_shared<i2p::i18n::Locale>(language, strings, plurals, [] (int n)->int { return plural(n); });
+	}
+
+} // language
+} // i18n
+} // i2p

i18n/French.cpp

@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#include <map>
+#include <vector>
+#include <string>
+#include <memory>
+#include "I18N.h"
+
+// French localization file
+
+namespace i2p
+{
+namespace i18n
+{
+namespace french // language namespace
+{
+	// language name in lowercase
+	static std::string language = "french";
+
+	// See for language plural forms here:
+	// https://localization-guide.readthedocs.io/en/latest/l10n/pluralforms.html
+	static int plural (int n) {
+		return n != 1 ? 1 : 0;
+	}
+
+	static std::map<std::string, std::string> strings
+	{
+		{"KiB", "Kio"},
+		{"MiB", "Mio"},
+		{"GiB", "Gio"},
+		{"building", "En construction"},
+		{"failed", "echoué"},
+		{"expiring", "expiré"},
+		{"established", "établi"},
+		{"unknown", "inconnu"},
+		{"exploratory", "exploratoire"},
+		{"<b>i2pd</b> webconsole", "Console web <b>i2pd</b>"},
+		{"Main page", "Page principale"},
+		{"Router commands", "Commandes du routeur"},
+		{"Local Destinations", "Destinations locales"},
+		{"Tunnels", "Tunnels"},
+		{"Transit Tunnels", "Tunnels transitoires"},
+		{"I2P tunnels", "Tunnels I2P"},
+		{"SAM sessions", "Sessions SAM"},
+		{"ERROR", "ERREUR"},
+		{"OK", "OK"},
+		{"Firewalled", "Derrière un pare-feu"},
+		{"Error", "Erreur"},
+		{"Offline", "Hors ligne"},
+		{"Uptime", "Temps de fonctionnement"},
+		{"Network status", "État du réseau"},
+		{"Network status v6", "État du réseau v6"},
+		{"Stopping in", "Arrêt dans"},
+		{"Family", "Famille"},
+		{"Tunnel creation success rate", "Taux de succès de création de tunnels"},
+		{"Received", "Reçu"},
+		{"KiB/s", "kio/s"},
+		{"Sent", "Envoyé"},
+		{"Transit", "Transit"},
+		{"Hidden content. Press on text to see.", "Contenu caché. Cliquez sur le texte pour regarder."},
+		{"Router Ident", "Identifiant du routeur"},
+		{"Router Family", "Famille du routeur"},
+		{"Version", "Version"},
+		{"Our external address", "Notre adresse externe"},
+		{"Client Tunnels", "Tunnels clients"},
+		{"Services", "Services"},
+		{"Enabled", "Activé"},
+		{"Disabled", "Désactivé"},
+		{"Encrypted B33 address", "Adresse B33 chiffrée"},
+		{"Domain", "Domaine"},
+		{"<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.", "<b>Note:</b> La chaîne résultante peut seulement être utilisée pour enregistrer les domaines 2LD (exemple.i2p). Pour enregistrer des sous-domaines, veuillez utiliser i2pd-tools."},
+		{"Address", "Adresse"},
+		{"ms", "ms"},
+		{"Outbound tunnels", "Tunnels sortants"},
+		{"Destination", "Destination"},
+		{"Local Destination", "Destination locale"},
+		{"", ""},
+	};
+
+	static std::map<std::string, std::vector<std::string>> plurals
+	{
+		{"days", {"jour", "jours"}},
+		{"hours", {"heure", "heures"}},
+		{"minutes", {"minute", "minutes"}},
+		{"seconds", {"seconde", "secondes"}},
+		{"", {"", ""}},
+	};
+
+	std::shared_ptr<const i2p::i18n::Locale> GetLocale()
+	{
+		return std::make_shared<i2p::i18n::Locale>(language, strings, plurals, [] (int n)->int { return plural(n); });
+	}
+
+} // language
+} // i18n
+} // i2p

i18n/German.cpp

@@ -0,0 +1,215 @@
+/*
+* Copyright (c) 2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#include <map>
+#include <vector>
+#include <string>
+#include <memory>
+#include "I18N.h"
+
+// German localization file
+
+namespace i2p
+{
+namespace i18n
+{
+namespace german // language namespace
+{
+	// language name in lowercase
+	static std::string language = "german";
+
+	// See for language plural forms here:
+	// https://localization-guide.readthedocs.io/en/latest/l10n/pluralforms.html
+	static int plural (int n) {
+		return n != 1 ? 1 : 0;
+	}
+
+	static std::map<std::string, std::string> strings
+	{
+		{"KiB", "KiB"},
+		{"MiB", "MiB"},
+		{"GiB", "GiB"},
+		{"building", "In Bau"},
+		{"failed", "fehlgeschlagen"},
+		{"expiring", "läuft ab in"},
+		{"established", "hergestellt"},
+		{"unknown", "Unbekannt"},
+		{"exploratory", "erforschende"},
+		{"<b>i2pd</b> webconsole", "<b>i2pd</b> Webkonsole"},
+		{"Main page", "Startseite"},
+		{"Router commands", "Router Befehle"},
+		{"Local Destinations", "Lokale Destination"},
+		{"LeaseSets", "LeaseSets"},
+		{"Tunnels", "Tunnel"},
+		{"Transit Tunnels", "Transittunnel"},
+		{"Transports", "Transporte"},
+		{"I2P tunnels", "I2P Tunnel"},
+		{"SAM sessions", "SAM Sitzungen"},
+		{"ERROR", "FEHLER"},
+		{"OK", "OK"},
+		{"Testing", "Testen"},
+		{"Firewalled", "Hinter eine Firewall"},
+		{"Unknown", "Unbekannt"},
+		{"Proxy", "Proxy"},
+		{"Mesh", "Mesh"},
+		{"Error", "Fehler"},
+		{"Clock skew", "Zeitabweichung"},
+		{"Offline", "Offline"},
+		{"Symmetric NAT", "Symmetrisches NAT"},
+		{"Uptime", "Laufzeit"},
+		{"Network status", "Netzwerkstatus"},
+		{"Network status v6", "Netzwerkstatus v6"},
+		{"Stopping in", "Stoppt in"},
+		{"Family", "Familie"},
+		{"Tunnel creation success rate", "Erfolgsrate der Tunnelerstellung"},
+		{"Received", "Eingegangen"},
+		{"KiB/s", "KiB/s"},
+		{"Sent", "Gesendet"},
+		{"Transit", "Transit"},
+		{"Data path", "Datenpfad"},
+		{"Hidden content. Press on text to see.", "Versteckter Inhalt. Klicke hier, um ihn zu sehen."},
+		{"Router Ident", "Routeridentität"},
+		{"Router Family", "Routerfamilie"},
+		{"Router Caps", "Routerattribute"},
+		{"Version", "Version"},
+		{"Our external address", "Unsere externe Adresse"},
+		{"supported", "unterstützt"},
+		{"Routers", "Router"},
+		{"Floodfills", "Floodfills"},
+		{"Client Tunnels", "Klienttunnel"},
+		{"Services", "Services"},
+		{"Enabled", "Aktiviert"},
+		{"Disabled", "Deaktiviert"},
+		{"Encrypted B33 address", "Verschlüsselte B33 Adresse"},
+		{"Address registration line", "Adresseregistrierungszeile"},
+		{"Domain", "Domain"},
+		{"Generate", "Generieren"},
+		{"<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.", "<b>Hinweis:</b> Der resultierende String kann nur für die Registrierung einer 2LD Domain (beispiel.i2p) benutzt werden. Für die Registrierung von Subdomains kann i2pd-tools verwendet werden."},
+		{"Address", "Adresse"},
+		{"Type", "Typ"},
+		{"EncType", "Verschlüsselungstyp"},
+		{"Inbound tunnels", "Eingehende Tunnel"},
+		{"ms", "ms"},
+		{"Outbound tunnels", "Ausgehende Tunnel"},
+		{"Tags", "Tags"},
+		{"Incoming", "Eingehend"},
+		{"Outgoing", "Ausgehend"},
+		{"Destination", "Destination"},
+		{"Amount", "Anzahl"},
+		{"Incoming Tags", "Eingehende Tags"},
+		{"Tags sessions", "Tags Sitzungen"},
+		{"Status", "Status"},
+		{"Local Destination", "Lokale Destination"},
+		{"Streams", "Streams"},
+		{"Close stream", "Stream schließen"},
+		{"I2CP session not found", "I2CP Sitzung nicht gefunden"},
+		{"I2CP is not enabled", "I2CP ist nicht aktiviert"},
+		{"Invalid", "Ungültig"},
+		{"Store type", "Speichertyp"},
+		{"Expires", "Ablaufdatum"},
+		{"Non Expired Leases", "Nicht abgelaufene Leases"},
+		{"Gateway", "Gateway"},
+		{"TunnelID", "TunnelID"},
+		{"EndDate", "Enddatum"},
+		{"not floodfill", "kein Floodfill"},
+		{"Queue size", "Warteschlangengröße"},
+		{"Run peer test", "Peer-Test ausführen"},
+		{"Decline transit tunnels", "Transittunnel ablehnen"},
+		{"Accept transit tunnels", "Transittunnel akzeptieren"},
+		{"Cancel graceful shutdown", "Beende das kontrollierte herunterfahren"},
+		{"Start graceful shutdown", "Starte das kontrollierte Herunterfahren"},
+		{"Force shutdown", "Herunterfahren erzwingen"},
+		{"Reload external CSS styles", "Lade externe CSS-Styles neu"},
+		{"<b>Note:</b> any action done here are not persistent and not changes your config files.", "<b>Hinweis:</b> Alle hier durchgeführten Aktionen sind nicht dauerhaft und ändern die Konfigurationsdateien nicht."},
+		{"Logging level", "Protokollierungslevel"},
+		{"Transit tunnels limit", "Limit für Transittunnel"},
+		{"Change", "Verändern"},
+		{"Change language", "Sprache ändern"},
+		{"no transit tunnels currently built", "derzeit keine Transittunnel aufgebaut"},
+		{"SAM disabled", "SAM deaktiviert"},
+		{"no sessions currently running", "Derzeit keine laufenden Sitzungen"},
+		{"SAM session not found", "SAM Sitzung nicht gefunden"},
+		{"SAM Session", "SAM Sitzung"},
+		{"Server Tunnels", "Servertunnel"},
+		{"Client Forwards", "Klient-Weiterleitungen"},
+		{"Server Forwards", "Server-Weiterleitungen"},
+		{"Unknown page", "Unbekannte Seite"},
+		{"Invalid token", "Ungültiger Token"},
+		{"SUCCESS", "ERFOLGREICH"},
+		{"Stream closed", "Stream geschlossen"},
+		{"Stream not found or already was closed", "Stream nicht gefunden oder bereits geschlossen"},
+		{"Destination not found", "Destination nicht gefunden"},
+		{"StreamID can't be null", "StreamID kann nicht null sein"},
+		{"Return to destination page", "Zurück zur Destination-Seite"},
+		{"You will be redirected in 5 seconds", "Du wirst in 5 Sekunden weitergeleitet"},
+		{"Transit tunnels count must not exceed 65535", "Es darf maximal 65535 Transittunnel geben"},
+		{"Back to commands list", "Zurück zur Kommandoliste"},
+		{"Register at reg.i2p", "Auf reg.i2p registrieren"},
+		{"Description", "Beschreibung"},
+		{"A bit information about service on domain", "Ein bisschen Informationen über den Service auf der Domain"},
+		{"Submit", "Einreichen"},
+		{"Domain can't end with .b32.i2p", "Domain kann nicht mit .b32.i2p enden"},
+		{"Domain must end with .i2p", "Domain muss mit .i2p enden"},
+		{"Such destination is not found", "Eine solche Destination konnte nicht gefunden werden"},
+		{"Unknown command", "Unbekannter Befehl"},
+		{"Command accepted", "Befehl akzeptiert"},
+		{"Proxy error", "Proxy-Fehler"},
+		{"Proxy info", "Proxy-Info"},
+		{"Proxy error: Host not found", "Proxy-Fehler: Host nicht gefunden"},
+		{"Remote host not found in router's addressbook", "Remote-Host nicht im Router Adressbuch gefunden"},
+		{"You may try to find this host on jump services below", "Vielleicht kannst du diesen Host auf einen der Jump-Services unten finden"},
+		{"Invalid request", "Ungültige Anfrage"},
+		{"Proxy unable to parse your request", "Proxy konnte die Anfrage nicht interpretieren"},
+		{"addresshelper is not supported", "addresshelper wird nicht unterstützt"},
+		{"Host", "Host"},
+		{"added to router's addressbook from helper", "vom Helfer zum Router Adressbuch hinzugefügt"},
+		{"Click here to proceed:", "Klicke hier um fortzufahren:"},
+		{"Continue", "Fortsetzen"},
+		{"Addresshelper found", "Adresshelfer gefunden"},
+		{"already in router's addressbook", "bereits im Adressbuch des Routers"},
+		{"Click here to update record:", "Klicke hier, um den Eintrag zu aktualisieren:"},
+		{"invalid request uri", "ungültige Anfrage-URI"},
+		{"Can't detect destination host from request", "Kann Anhand der Anfrage den Destination-Host nicht erkennen"},
+		{"Outproxy failure", "Outproxy-Fehler"},
+		{"bad outproxy settings", "ungültige Outproxy-Einstellungen"},
+		{"not inside I2P network, but outproxy is not enabled", "nicht innerhalb des I2P-Netzwerks, aber Outproxy ist nicht aktiviert"},
+		{"unknown outproxy url", "unbekannte Outproxy-URL"},
+		{"cannot resolve upstream proxy", "kann den Upstream-Proxy nicht auflösen"},
+		{"hostname too long", "Hostname zu lang"},
+		{"cannot connect to upstream socks proxy", "Kann keine Verbindung zum Upstream-Socks-Proxy herstellen"},
+		{"Cannot negotiate with socks proxy", "Kann nicht mit Socks-Proxy verhandeln"},
+		{"CONNECT error", "CONNECT-Fehler"},
+		{"Failed to Connect", "Verbindung konnte nicht hergestellt werden"},
+		{"socks proxy error", "Socks-Proxy-Fehler"},
+		{"failed to send request to upstream", "Anfrage an den Upstream zu senden ist gescheitert"},
+		{"No Reply From socks proxy", "Keine Antwort vom Socks-Proxy"},
+		{"cannot connect", "kann nicht verbinden"},
+		{"http out proxy not implemented", "HTTP-Outproxy nicht implementiert"},
+		{"cannot connect to upstream http proxy", "Kann nicht zu Upstream-HTTP-Proxy verbinden"},
+		{"Host is down", "Host ist offline"},
+		{"Can't create connection to requested host, it may be down. Please try again later.", "Konnte keine Verbindung zum angefragten Host aufbaunen, vielleicht ist es offline. Versuche es später noch einmal."},
+		{"", ""},
+	};
+
+	static std::map<std::string, std::vector<std::string>> plurals
+	{
+		{"days", {"Tag", "Tage"}},
+		{"hours", {"Stunde", "Stunden"}},
+		{"minutes", {"Minute", "Minuten"}},
+		{"seconds", {"Sekunde", "Sekunden"}},
+		{"", {"", ""}},
+	};
+
+	std::shared_ptr<const i2p::i18n::Locale> GetLocale()
+	{
+		return std::make_shared<i2p::i18n::Locale>(language, strings, plurals, [] (int n)->int { return plural(n); });
+	}
+
+} // language
+} // i18n
+} // i2p

i18n/I18N.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2021, The PurpleI2P Project
+* Copyright (c) 2021-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *

i18n/I18N_langs.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2021, The PurpleI2P Project
+* Copyright (c) 2021-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -72,19 +72,25 @@ namespace i18n
 
 	// Add localization here with language name as namespace
 	namespace afrikaans { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
+	namespace armenian  { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
 	namespace english   { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
+	namespace french    { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
+	namespace german    { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
 	namespace russian   { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
 	namespace turkmen   { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
 	namespace ukrainian { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
 	namespace uzbek     { std::shared_ptr<const i2p::i18n::Locale> GetLocale (); }
 
 	/**
-	 * That map contains international language name lower-case and name in it's language
+	 * That map contains international language name lower-case, name in it's language and it's code
 	 */
 	static std::map<std::string, langData> languages
 	{
 		{ "afrikaans", {"Afrikaans", "af", i2p::i18n::afrikaans::GetLocale} },
+		{ "armenian", {"հայերէն", "hy", i2p::i18n::armenian::GetLocale} },
 		{ "english", {"English", "en", i2p::i18n::english::GetLocale} },
+		{ "french", {"Français", "fr", i2p::i18n::french::GetLocale} },
+		{ "german", {"Deutsch", "de", i2p::i18n::german::GetLocale} },
 		{ "russian", {"русский язык", "ru", i2p::i18n::russian::GetLocale} },
 		{ "turkmen", {"türkmen dili", "tk", i2p::i18n::turkmen::GetLocale} },
 		{ "ukrainian", {"украї́нська мо́ва", "uk", i2p::i18n::ukrainian::GetLocale} },

i18n/Turkmen.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2021, The PurpleI2P Project
+* Copyright (c) 2021-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -198,7 +198,6 @@ namespace turkmen // language namespace
 
 	static std::map<std::string, std::vector<std::string>> plurals
 	{
-		// ShowUptime
 		{"days",    {"gün", "gün"}},
 		{"hours",   {"sagat", "sagat"}},
 		{"minutes", {"minut", "minut"}},

i18n/Uzbek.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2021, The PurpleI2P Project
+* Copyright (c) 2021-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -34,7 +34,7 @@ namespace uzbek // language namespace
 		{"KiB", "KiB"},
 		{"MiB", "MiB"},
 		{"GiB", "GiB"},
-		{"building", "qurilish"},
+		{"building", "yaratilmoqda"},
 		{"failed", "muvaffaqiyatsiz"},
 		{"expiring", "muddati tugaydi"},
 		{"established", "aloqa o'rnatildi"},
@@ -43,11 +43,12 @@ namespace uzbek // language namespace
 		{"<b>i2pd</b> webconsole", "<b>i2pd</b> veb-konsoli"},
 		{"Main page", "Asosiy sahifa"},
 		{"Router commands", "Router buyruqlari"},
+		{"Local Destinations", "Mahalliy joylanishlar"},
 		{"LeaseSets", "LeaseSets"},
 		{"Tunnels", "Tunnellar"},
-		{"Transit Tunnels", "Tranzit Tunellar"},
+		{"Transit Tunnels", "Tranzit Tunellari"},
 		{"Transports", "Transportlar"},
-		{"I2P tunnels", "I2P tunnellar"},
+		{"I2P tunnels", "I2P tunnellari"},
 		{"SAM sessions", "SAM sessiyalari"},
 		{"ERROR", "XATO"},
 		{"OK", "OK"},
@@ -70,25 +71,25 @@ namespace uzbek // language namespace
 		{"KiB/s", "KiB/s"},
 		{"Sent", "Yuborilgan"},
 		{"Transit", "Tranzit"},
-		{"Data path", "Ma'lumotlar yo'li"},
+		{"Data path", "Ma'lumotlar joylanishi"},
 		{"Hidden content. Press on text to see.", "Yashirin tarkib. Ko'rish uchun matn ustida bosing."},
 		{"Router Ident", "Router identifikatori"},
-		{"Router Family", "Router Oila"},
+		{"Router Family", "Router oilasi"},
-		{"Router Caps", "Router bayroqlari"},
+		{"Router Caps", "Router Bayroqlari"},
 		{"Version", "Versiya"},
 		{"Our external address", "Bizning tashqi manzilimiz"},
 		{"supported", "qo'llab-quvvatlanadi"},
 		{"Routers", "Routerlar"},
 		{"Floodfills", "Floodfills"},
-		{"Client Tunnels", "Mijoz tunellari"},
+		{"Client Tunnels", "Mijoz Tunellari"},
 		{"Services", "Xizmatlar"},
 		{"Enabled", "Yoqilgan"},
 		{"Disabled", "O'chirilgan"},
 		{"Encrypted B33 address", "Shifrlangan B33 manzil"},
 		{"Address registration line", "Manzilni ro'yxatga olish liniyasi"},
 		{"Domain", "Domen"},
-		{"Generate", "Varatish"},
+		{"Generate", "Yaratish"},
-		{"<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.", "<b>Eslatma:</b> natija satridan faqat 2LD domenlarini ro'yxatdan o'tkazish uchun foydalanish mumkin (example.i2p). Subdomenlarni ro'yxatdan o'tkazish uchun i2pd-tools dan foydalaning."},
+		{"<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.", "<b>Eslatma:</b> natija satridan faqat 2LD domenlarini ro'yxatdan o'tkazish uchun foydalanish mumkin (example.i2p). Subdomenlarni ro'yxatdan o'tkazish uchun 'i2pd-tools'dan foydalaning."},
 		{"Address", "Manzil"},
 		{"Type", "Turi"},
 		{"EncType", "ShifrlashTuri"},
@@ -99,10 +100,11 @@ namespace uzbek // language namespace
 		{"Incoming", "Kiruvchi"},
 		{"Outgoing", "Chiquvchi"},
 		{"Destination", "Manzilgoh"},
-		{"Amount", "Yig'indi"},
+		{"Amount", "Soni"},
 		{"Incoming Tags", "Kiruvchi teglar"},
 		{"Tags sessions", "Teglar sessiyalari"},
 		{"Status", "Holat"},
+		{"Local Destination", "Mahalliy joylanish"},
 		{"Streams", "Strim"},
 		{"Close stream", "Strimni o'chirish"},
 		{"I2CP session not found", "I2CP sessiyasi topilmadi"},
@@ -117,14 +119,15 @@ namespace uzbek // language namespace
 		{"not floodfill", "floodfill emas"},
 		{"Queue size", "Navbat hajmi"},
 		{"Run peer test", "Sinovni boshlang"},
-		{"Decline transit tunnels", "Tranzit tunnellarni rad etish"},
+		{"Decline transit tunnels", "Tranzit tunnellarini rad etish"},
 		{"Accept transit tunnels", "Tranzit tunnellarni qabul qilish"},
-		{"Cancel graceful shutdown", "Yumshoq to'xtashni bekor qiling"},
+		{"Cancel graceful shutdown", "Yumshoq to'xtashni bekor qilish"},
-		{"Start graceful shutdown", "Yumshoq to'xtashni boshlang"},
+		{"Start graceful shutdown", "Yumshoq to'xtashni boshlash"},
-		{"Force shutdown", "Bizning tashqi manzilimiz"},
+		{"Force shutdown", "Majburiy to'xtatish"},
 		{"Reload external CSS styles", "Tashqi CSS uslublarini qayta yuklang"},
-		{"<b>Note:</b> any action done here are not persistent and not changes your config files.", "<b>Eslatma:</b> bu erda qilingan har qanday harakat doimiy emas va konfiguratsiya fayllarini o'zgartirmaydi."},
+		{"<b>Note:</b> any action done here are not persistent and not changes your config files.", "<b>Eslatma:</b> shu yerda qilingan har qanday harakat doimiy emas va konfiguratsiya fayllarini o'zgartirmaydi."},
-		{"Transit tunnels limit", "Tranzit tunellar chegarasi"},
+		{"Logging level", "Jurnal darajasi"},
+		{"Transit tunnels limit", "Tranzit tunellarning chegarasi"},
 		{"Change", "O'zgartirish"},
 		{"Change language", "Tilni o'zgartirish"},
 		{"no transit tunnels currently built", "qurilgan tranzit tunnellari yo'q"},
@@ -142,8 +145,8 @@ namespace uzbek // language namespace
 		{"Stream not found or already was closed", "Strim topilmadi yoki allaqachon yopilgan"},
 		{"Destination not found", "Yo'nalish topilmadi"},
 		{"StreamID can't be null", "StreamID bo'sh bo'lishi mumkin emas"},
-		{"Return to destination page", "Belgilangan sahifaga qaytish"},
+		{"Return to destination page", "Manzilgoh sahifasiga qaytish"},
-		{"You will be redirected in 5 seconds", "Siz 5 soniyada qayta yo'naltirilasiz"},
+		{"You will be redirected in 5 seconds", "Siz 5 soniya ichida qayta yo'naltirilasiz"},
 		{"Transit tunnels count must not exceed 65535", "Tranzit tunnellar soni 65535 dan oshmasligi kerak"},
 		{"Back to commands list", "Buyruqlar ro'yxatiga qaytish"},
 		{"Register at reg.i2p", "Reg.i2p-da ro'yxatdan o'ting"},
@@ -159,29 +162,35 @@ namespace uzbek // language namespace
 		{"Proxy info", "Proksi ma'lumotlari"},
 		{"Proxy error: Host not found", "Proksi xatosi: Xost topilmadi"},
 		{"Remote host not found in router's addressbook", "Masofaviy xost yo'riqnoma manzillar kitobida topilmadi"},
+		{"You may try to find this host on jump services below", "Siz xost quyida o'tish xizmatlari orqali topishga harakat qilishingiz mumkin"},
 		{"Invalid request", "Noto‘g‘ri so‘rov"},
-		{"Proxy unable to parse your request", "Proksi sizning so'rovingizni tahlil qila olmaydi"},
+		{"Proxy unable to parse your request", "Proksi sizning so'rovingizni aniqlab ololmayapti"},
 		{"addresshelper is not supported", "addresshelper qo'llab -quvvatlanmaydi"},
 		{"Host", "Xost"},
+		{"added to router's addressbook from helper", "'helper'dan routerning 'addressbook'ga qo'shildi"},
+		{"Click here to proceed:", "Davom etish uchun shu yerni bosing:"},
+		{"Continue", "Davom etish"},
 		{"Addresshelper found", "Addresshelper topildi"},
+		{"already in router's addressbook", "allaqachon 'addressbook'da yozilgan"},
+		{"Click here to update record:", "Yozuvni yangilash uchun shu yerni bosing:"},
 		{"invalid request uri", "noto'g'ri URI so'rovi"},
 		{"Can't detect destination host from request", "So‘rov orqali manzil xostini aniqlab bo'lmayapti"},
 		{"Outproxy failure", "Tashqi proksi muvaffaqiyatsizligi"},
 		{"bad outproxy settings", "noto'g'ri tashqi proksi-server sozlamalari"},
 		{"not inside I2P network, but outproxy is not enabled", "I2P tarmog'ida emas, lekin tashqi proksi yoqilmagan"},
 		{"unknown outproxy url", "noma'lum outproxy url"},
-		{"cannot resolve upstream proxy", "yuqoridagi proksi -serverni aniqlab olib bolmaydi"},
+		{"cannot resolve upstream proxy", "yuqoridagi 'proxy-server'ni aniqlab olib bolmayapti"},
 		{"hostname too long", "xost nomi juda uzun"},
-		{"cannot connect to upstream socks proxy", "yuqori soks proksi -serveriga ulanib bo'lmaydi"},
+		{"cannot connect to upstream socks proxy", "yuqori 'socks proxy'ga ulanib bo'lmayapti"},
-		{"Cannot negotiate with socks proxy", "Soks proksi bilan muzokara olib bo'lmaydi"},
+		{"Cannot negotiate with socks proxy", "'Socks proxy' bilan muzokara olib bo'lmaydi"},
 		{"CONNECT error", "CONNECT xatosi"},
-		{"Failed to Connect", "Ulanmadi"},
+		{"Failed to Connect", "Ulanib bo'lmayapti"},
-		{"socks proxy error", "soks proksi xatosi"},
+		{"socks proxy error", "'socks proxy' xatosi"},
-		{"failed to send request to upstream", "yuqori http proksi-serveriga ulanib bo'lmadi"},
+		{"failed to send request to upstream", "yuqori http proksi-serveriga so'rovni uborib bo'lmadi"},
-		{"No Reply From socks proxy", "Soks-proksidan javob yo'q"},
+		{"No Reply From socks proxy", "'Socks proxy'dan javob yo'q"},
-		{"cannot connect", "ulab bo'lmaydi"},
+		{"cannot connect", "ulanib bo'lmaydi"},
 		{"http out proxy not implemented", "tashqi HTTP proksi-serverni qo'llab-quvvatlash amalga oshirilmagan"},
-		{"cannot connect to upstream http proxy", "yuqori http proksi-serveriga ulanib bo'lmadi"},
+		{"cannot connect to upstream http proxy", "yuqori http 'proxy-server'iga ulanib bo'lmayapti"},
 		{"Host is down", "Xost ishlamayapti"},
 		{"Can't create connection to requested host, it may be down. Please try again later.", "Talab qilingan xost bilan aloqa o'rnatilmadi, u ishlamay qolishi mumkin. Iltimos keyinroq qayta urinib ko'ring."},
 		{"", ""},
@@ -189,10 +198,10 @@ namespace uzbek // language namespace
 
 	static std::map<std::string, std::vector<std::string>> plurals
 	{
-		{"days", {"kun", "kunlar"}},
+		{"days", {"kun", "kun"}},
 		{"hours", {"soat", "soat"}},
-		{"minutes", {"daqiqa", "daqiqalar"}},
+		{"minutes", {"daqiqa", "daqiqa"}},
-		{"seconds", {"soniya", "soniyalar"}},
+		{"seconds", {"soniya", "soniya"}},
 		{"", {"", ""}},
 	};
 

libi2pd/Base.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -185,10 +185,7 @@ namespace data
 		if (InCount && !m)
 			outCount = 3 * n;
 		else
-		{
-			outCount = 0;
 			return 0;
-		}
 
 		ps = (unsigned char *)(InBuffer + InCount - 1);
 		while ( *ps-- == P64 )
@@ -196,7 +193,7 @@ namespace data
 		ps = (unsigned char *)InBuffer;
 
 		if (outCount > len)
-			return -1;
+			return 0;
 
 		pd = OutBuffer;
 		auto endOfOutBuffer = OutBuffer + outCount;

libi2pd/Base.h

@@ -24,7 +24,7 @@ namespace data {
 	size_t ByteStreamToBase32 (const uint8_t * InBuf, size_t len, char * outBuf, size_t outLen);
 
 	/**
-	 Compute the size for a buffer to contain encoded base64 given that the size of the input is input_size bytes
+	 * Compute the size for a buffer to contain encoded base64 given that the size of the input is input_size bytes
 	 */
 	size_t Base64EncodingBufferSize(const size_t input_size);
 

libi2pd/Blinding.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -122,7 +122,7 @@ namespace data
 				break;
 			}
 			default:
-				LogPrint (eLogError, "Blinding: signature type ", (int)sigType, " is not ECDSA");
+				LogPrint (eLogError, "Blinding: Signature type ", (int)sigType, " is not ECDSA");
 		}
 		if (group)
 		{
@@ -146,6 +146,9 @@ namespace data
 		m_PublicKey.resize (len);
 		memcpy (m_PublicKey.data (), identity->GetSigningPublicKeyBuffer (), len);
 		m_SigType = identity->GetSigningKeyType ();
+		if (m_SigType == i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519)
+			m_BlindedSigType = i2p::data::SIGNING_KEY_TYPE_REDDSA_SHA512_ED25519; // 7 -> 11
+		else
 			m_BlindedSigType = m_SigType;
 	}
 
@@ -156,7 +159,7 @@ namespace data
 		size_t l = i2p::data::Base32ToByteStream (b33.c_str (), b33.length (), addr, 40);
 		if (l < 32)
 		{
-			LogPrint (eLogError, "Blinding: malformed b33 ", b33);
+			LogPrint (eLogError, "Blinding: Malformed b33 ", b33);
 			return;
 		}
 		uint32_t checksum = crc32 (0, addr + 3, l - 3);
@@ -186,10 +189,10 @@ namespace data
 				memcpy (m_PublicKey.data (), addr + offset, len);
 			}
 			else
-				LogPrint (eLogError, "Blinding: public key in b33 address is too short for signature type ", (int)m_SigType);
+				LogPrint (eLogError, "Blinding: Public key in b33 address is too short for signature type ", (int)m_SigType);
 		}
 		else
-			LogPrint (eLogError, "Blinding: unknown signature type ", (int)m_SigType, " in b33");
+			LogPrint (eLogError, "Blinding: Unknown signature type ", (int)m_SigType, " in b33");
 	}
 
 	std::string BlindedPublicKey::ToB33 () const
@@ -256,7 +259,7 @@ namespace data
 				publicKeyLength = i2p::crypto::EDDSA25519_PUBLIC_KEY_LENGTH;
 			break;
 			default:
-				LogPrint (eLogError, "Blinding: can't blind signature type ", (int)m_SigType);
+				LogPrint (eLogError, "Blinding: Can't blind signature type ", (int)m_SigType);
 		}
 		return publicKeyLength;
 	}
@@ -286,7 +289,7 @@ namespace data
 				break;
 			}
 			default:
-				LogPrint (eLogError, "Blinding: can't blind signature type ", (int)m_SigType);
+				LogPrint (eLogError, "Blinding: Can't blind signature type ", (int)m_SigType);
 		}
 		return publicKeyLength;
 	}
@@ -324,7 +327,7 @@ namespace data
 			SHA256_Final ((uint8_t *)hash, &ctx);
 		}
 		else
-			LogPrint (eLogError, "Blinding: blinded key type ", (int)m_BlindedSigType, " is not supported");
+			LogPrint (eLogError, "Blinding: Blinded key type ", (int)m_BlindedSigType, " is not supported");
 		return hash;
 	}
 

libi2pd/Config.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -61,7 +61,7 @@ namespace config {
 			("service", bool_switch()->default_value(false),                  "Router will use system folders like '/var/lib/i2pd' (default: disabled)")
 			("notransit", bool_switch()->default_value(false),                "Router will not accept transit tunnels at startup (default: disabled)")
 			("floodfill", bool_switch()->default_value(false),                "Router will be floodfill (default: disabled)")
-			("bandwidth", value<std::string>()->default_value(""),            "Bandwidth limit: integer in KBps or letters: L (32), O (256), P (2048), X (>9000)")
+			("bandwidth", value<std::string>()->default_value(""),            "Transit traffic bandwidth limit: integer in KBps or letters: L (32), O (256), P (2048), X (>9000)")
 			("share", value<int>()->default_value(100),                       "Limit of transit traffic from max bandwidth in percents. (default: 100)")
 			("ntcp", bool_switch()->default_value(false),                     "Ignored. Always false")
 			("ssu", bool_switch()->default_value(true),                       "Enable SSU transport (default: enabled)")
@@ -78,9 +78,9 @@ namespace config {
 			("limits.coresize", value<uint32_t>()->default_value(0),          "Maximum size of corefile in Kb (0 - use system limit)")
 			("limits.openfiles", value<uint16_t>()->default_value(0),         "Maximum number of open files (0 - use system default)")
 			("limits.transittunnels", value<uint16_t>()->default_value(2500), "Maximum active transit sessions (default:2500)")
-			("limits.ntcpsoft", value<uint16_t>()->default_value(0),          "Threshold to start probabilistic backoff with ntcp sessions (default: use system limit)")
+			("limits.ntcpsoft", value<uint16_t>()->default_value(0),          "Ignored")
-			("limits.ntcphard", value<uint16_t>()->default_value(0),          "Maximum number of ntcp sessions (default: use system limit)")
+			("limits.ntcphard", value<uint16_t>()->default_value(0),          "Ignored")
-			("limits.ntcpthreads", value<uint16_t>()->default_value(1),       "Maximum number of threads used by NTCP DH worker (default: 1)")
+			("limits.ntcpthreads", value<uint16_t>()->default_value(1),       "Ignored")
 		;
 
 		options_description httpserver("HTTP Server options");
@@ -109,6 +109,8 @@ namespace config {
 			("httpproxy.outbound.length", value<std::string>()->default_value("3"),   "HTTP proxy outbound tunnel length")
 			("httpproxy.inbound.quantity", value<std::string>()->default_value("5"),  "HTTP proxy inbound tunnels quantity")
 			("httpproxy.outbound.quantity", value<std::string>()->default_value("5"), "HTTP proxy outbound tunnels quantity")
+			("httpproxy.inbound.lengthVariance", value<std::string>()->default_value("0"),  "HTTP proxy inbound tunnels length variance")
+			("httpproxy.outbound.lengthVariance", value<std::string>()->default_value("0"), "HTTP proxy outbound tunnels length variance")
 			("httpproxy.latency.min", value<std::string>()->default_value("0"),       "HTTP proxy min latency for tunnels")
 			("httpproxy.latency.max", value<std::string>()->default_value("0"),       "HTTP proxy max latency for tunnels")
 			("httpproxy.outproxy", value<std::string>()->default_value(""),           "HTTP proxy upstream out proxy url")
@@ -130,6 +132,8 @@ namespace config {
 			("socksproxy.outbound.length", value<std::string>()->default_value("3"),   "SOCKS proxy outbound tunnel length")
 			("socksproxy.inbound.quantity", value<std::string>()->default_value("5"),  "SOCKS proxy inbound tunnels quantity")
 			("socksproxy.outbound.quantity", value<std::string>()->default_value("5"), "SOCKS proxy outbound tunnels quantity")
+			("socksproxy.inbound.lengthVariance", value<std::string>()->default_value("0"),  "SOCKS proxy inbound tunnels length variance")
+			("socksproxy.outbound.lengthVariance", value<std::string>()->default_value("0"), "SOCKS proxy outbound tunnels length variance")
 			("socksproxy.latency.min", value<std::string>()->default_value("0"),       "SOCKS proxy min latency for tunnels")
 			("socksproxy.latency.max", value<std::string>()->default_value("0"),       "SOCKS proxy max latency for tunnels")
 			("socksproxy.outproxy.enabled", value<bool>()->default_value(false),       "Enable or disable SOCKS outproxy")
@@ -203,28 +207,36 @@ namespace config {
 			("reseed.zipfile", value<std::string>()->default_value(""),   "Path to local .zip file to reseed from")
 			("reseed.proxy", value<std::string>()->default_value(""),     "url for reseed proxy, supports http/socks")
 			("reseed.urls", value<std::string>()->default_value(
-				"https://reseed.i2p-projekt.de/,"
+				"https://reseed2.i2p.net/,"
 				"https://reseed.diva.exchange/,"
 				"https://reseed-fr.i2pd.xyz/,"
 				"https://reseed.memcpy.io/,"
 				"https://reseed.onion.im/,"
 				"https://i2pseed.creativecowpat.net:8443/,"
 				"https://reseed.i2pgit.org/,"
-				"https://i2p.novg.net/"
+				"https://i2p.novg.net/,"
+				"https://banana.incognet.io/,"
+				"https://reseed-pl.i2pd.xyz/,"
+				"https://www2.mk16.de/"
 			),                                                            "Reseed URLs, separated by comma")
 			("reseed.yggurls", value<std::string>()->default_value(
 				"http://[324:71e:281a:9ed3::ace]:7070/,"
 				"http://[301:65b9:c7cd:9a36::1]:18801/,"
-			    "http://[320:8936:ec1a:31f1::216]/"
+				"http://[320:8936:ec1a:31f1::216]/,"
+				"http://[306:3834:97b9:a00a::1]/,"
+				"http://[316:f9e0:f22e:a74f::216]/"
 			),                                                            "Reseed URLs through the Yggdrasil, separated by comma")
 		;
 
 		options_description addressbook("AddressBook options");
 		addressbook.add_options()
+			("addressbook.enabled", value<bool>()->default_value(true), "Enable address book lookups and subscritions (default: enabled)")
 			("addressbook.defaulturl", value<std::string>()->default_value(
 				"http://shx5vqsw7usdaunyzr2qmes2fq37oumybpudrd4jjj4e4vk4uusa.b32.i2p/hosts.txt"
 			),                                                                     "AddressBook subscription URL for initial setup")
-			("addressbook.subscriptions", value<std::string>()->default_value("http://reg.i2p/hosts.txt"), "AddressBook subscriptions URLs, separated by comma")
+			("addressbook.subscriptions", value<std::string>()->default_value(
+				"http://reg.i2p/hosts.txt"
+			),                                                                     "AddressBook subscriptions URLs, separated by comma")
 			("addressbook.hostsfile", value<std::string>()->default_value(""),     "File to dump addresses in hosts.txt format");
 
 		options_description trust("Trust options");
@@ -260,6 +272,13 @@ namespace config {
 			("ntcp2.proxy", value<std::string>()->default_value(""),       "Proxy URL for NTCP2 transport")
 		;
 
+		options_description ssu2("SSU2 Options");
+		ssu2.add_options()
+			("ssu2.enabled", value<bool>()->default_value(false),         "Enable SSU2 (default: disabled)")
+			("ssu2.published", value<bool>()->default_value(false),        "Publish SSU2 (default: disabled)")
+			("ssu2.port", value<uint16_t>()->default_value(0),            "Port to listen for incoming SSU2 packets (default: auto)")
+		;
+
 		options_description nettime("Time sync options");
 		nettime.add_options()
 			("nettime.enabled", value<bool>()->default_value(false),       "Disable time sync (default: disabled)")
@@ -268,8 +287,9 @@ namespace config {
 				"1.pool.ntp.org,"
 				"2.pool.ntp.org,"
 				"3.pool.ntp.org"
-			),                                                             "Comma separated list of NTCP servers")
+			),                                                             "Comma separated list of NTP servers")
 			("nettime.ntpsyncinterval", value<int>()->default_value(72),   "NTP sync interval in hours (default: 72)")
+			("nettime.frompeers", value<bool>()->default_value(true),      "Sync clock from transport peers (default: enabled)")
 		;
 
 		options_description persist("Network information persisting options");
@@ -291,6 +311,13 @@ namespace config {
 			("meshnets.yggaddress", value<std::string>()->default_value(""),         "Yggdrasil address to publish")
 		;
 
+#ifdef __linux__
+		options_description unix_specific("UNIX-specific options");
+		unix_specific.add_options()
+			("unix.handle_sigtstp", bool_switch()->default_value(false),             "Handle SIGTSTP and SIGCONT signals (default: disabled)")
+		;
+#endif
+
 		m_OptionsDesc
 			.add(general)
 			.add(limits)
@@ -309,10 +336,14 @@ namespace config {
 			.add(websocket) // deprecated
 			.add(exploratory)
 			.add(ntcp2)
+			.add(ssu2)
 			.add(nettime)
 			.add(persist)
 			.add(cpuext)
 			.add(meshnets)
+#ifdef __linux__
+			.add(unix_specific)
+#endif
 		;
 	}
 

libi2pd/Crypto.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -1277,7 +1277,7 @@ namespace crypto
 			EVP_PKEY_CTX_set1_hkdf_key (pctx, tempKey, len);
 		}
 		if (info.length () > 0)
-			EVP_PKEY_CTX_add1_hkdf_info (pctx, info.c_str (), info.length ());
+			EVP_PKEY_CTX_add1_hkdf_info (pctx, (const uint8_t *)info.c_str (), info.length ());
 		EVP_PKEY_derive (pctx, out, &outLen);
 		EVP_PKEY_CTX_free (pctx);
 #else
@@ -1305,6 +1305,16 @@ namespace crypto
 		SHA256_Final (m_H, &ctx);
 	}
 
+	void NoiseSymmetricState::MixHash (const std::vector<std::pair<uint8_t *, size_t> >& bufs)
+	{
+		SHA256_CTX ctx;
+		SHA256_Init (&ctx);
+		SHA256_Update (&ctx, m_H, 32);
+		for (const auto& it: bufs)
+			SHA256_Update (&ctx, it.first, it.second);
+		SHA256_Final (m_H, &ctx);
+	}
+
 	void NoiseSymmetricState::MixKey (const uint8_t * sharedSecret)
 	{
 		HKDF (m_CK, sharedSecret, 32, "", m_CK);
@@ -1336,7 +1346,7 @@ namespace crypto
 
 	void InitNoiseXKState (NoiseSymmetricState& state, const uint8_t * pub)
 	{
-		static const uint8_t protocolNameHash[] =
+		static const uint8_t protocolNameHash[32] =
 		{
 			0x72, 0xe8, 0x42, 0xc5, 0x45, 0xe1, 0x80, 0x80, 0xd3, 0x9c, 0x44, 0x93, 0xbb, 0x91, 0xd7, 0xed,
 			0xf2, 0x28, 0x98, 0x17, 0x71, 0x21, 0x8c, 0x1f, 0x62, 0x4e, 0x20, 0x6f, 0x28, 0xd3, 0x2f, 0x71
@@ -1349,6 +1359,21 @@ namespace crypto
 		InitNoiseState (state, protocolNameHash, hh, pub);
 	}
 
+	void InitNoiseXKState1 (NoiseSymmetricState& state, const uint8_t * pub)
+	{
+		static const uint8_t protocolNameHash[32] =
+		{
+			0xb1, 0x37, 0x22, 0x81, 0x74, 0x23, 0xa8, 0xfd, 0xf4, 0x2d, 0xf2, 0xe6, 0x0e, 0xd1, 0xed, 0xf4,
+			0x1b, 0x93, 0x07, 0x1d, 0xb1, 0xec, 0x24, 0xa3, 0x67, 0xf7, 0x84, 0xec, 0x27, 0x0d, 0x81, 0x32
+		}; // SHA256 ("Noise_XKchaobfse+hs1+hs2+hs3_25519_ChaChaPoly_SHA256")
+		static const uint8_t hh[32] =
+		{
+			0xdc, 0x85, 0xe6, 0xaf, 0x7b, 0x02, 0x65, 0x0c, 0xf1, 0xf9, 0x0d, 0x71, 0xfb, 0xc6, 0xd4, 0x53,
+			0xa7, 0xcf, 0x6d, 0xbf, 0xbd, 0x52, 0x5e, 0xa5, 0xb5, 0x79, 0x1c, 0x47, 0xb3, 0x5e, 0xbc, 0x33
+		}; // SHA256 (protocolNameHash)
+		InitNoiseState (state, protocolNameHash, hh, pub);
+	}
+
 	void InitNoiseIKState (NoiseSymmetricState& state, const uint8_t * pub)
 	{
 		static const uint8_t protocolNameHash[32] =

libi2pd/Crypto.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -29,7 +29,9 @@
 #include "CPU.h"
 
 // recognize openssl version and features
-#if ((OPENSSL_VERSION_NUMBER < 0x010100000) || defined(LIBRESSL_VERSION_NUMBER)) // 1.0.2 and below or LibreSSL
+#if (defined(LIBRESSL_VERSION_NUMBER) && (LIBRESSL_VERSION_NUMBER >= 0x3050200fL)) // LibreSSL 3.5.2 and above
+#	define LEGACY_OPENSSL 0
+#elif ((OPENSSL_VERSION_NUMBER < 0x010100000) || defined(LIBRESSL_VERSION_NUMBER)) // 1.0.2 and below or LibreSSL
 #	define LEGACY_OPENSSL 1
 #	define X509_getm_notBefore X509_get_notBefore
 #	define X509_getm_notAfter X509_get_notAfter
@@ -39,8 +41,10 @@
 #		define OPENSSL_HKDF 1
 #		define OPENSSL_EDDSA 1
 #		define OPENSSL_X25519 1
+#		if (OPENSSL_VERSION_NUMBER != 0x030000000) // 3.0.0, regression in SipHash
 #			define OPENSSL_SIPHASH 1
 #		endif
+#	endif
 #	if !defined OPENSSL_NO_CHACHA && !defined OPENSSL_NO_POLY1305 // some builds might not include them
 #		define OPENSSL_AEAD_CHACHA20_POLY1305 1
 #	endif
@@ -104,7 +108,7 @@ namespace crypto
 			BN_CTX * m_Ctx;
 			uint8_t m_PrivateKey[32];
 #endif
-			bool m_IsElligatorIneligible = false; // true if definitly ineligible
+			bool m_IsElligatorIneligible = false; // true if definitely ineligible
 	};
 
 	// ElGamal
@@ -315,11 +319,13 @@ namespace crypto
 		uint8_t m_H[32] /*h*/, m_CK[64] /*[ck, k]*/;
 
 		void MixHash (const uint8_t * buf, size_t len);
+		void MixHash (const std::vector<std::pair<uint8_t *, size_t> >& bufs);
 		void MixKey (const uint8_t * sharedSecret);
 	};
 
 	void InitNoiseNState (NoiseSymmetricState& state, const uint8_t * pub); // Noise_N (tunnels, router)
 	void InitNoiseXKState (NoiseSymmetricState& state, const uint8_t * pub); // Noise_XK (NTCP2)
+	void InitNoiseXKState1 (NoiseSymmetricState& state, const uint8_t * pub); // Noise_XK (SSU2)
 	void InitNoiseIKState (NoiseSymmetricState& state, const uint8_t * pub); // Noise_IK (ratchets)
 
 // init and terminate

libi2pd/Datagram.cpp

@@ -371,8 +371,6 @@ namespace datagram
 		{
 			// no current path, make one
 			path = std::make_shared<i2p::garlic::GarlicRoutingPath>();
-			path->outboundTunnel = m_LocalDestination->GetTunnelPool()->GetNextOutboundTunnel();
-			if (!path->outboundTunnel) return nullptr;
 
 			if (m_RemoteLeaseSet)
 			{
@@ -386,6 +384,11 @@ namespace datagram
 				}
 				else
 					return nullptr;
+
+				auto leaseRouter = i2p::data::netdb.FindRouter (path->remoteLease->tunnelGateway);
+				path->outboundTunnel = m_LocalDestination->GetTunnelPool()->GetNextOutboundTunnel(nullptr,
+					leaseRouter ? leaseRouter->GetCompatibleTransports (false) : (i2p::data::RouterInfo::CompatibleTransports)i2p::data::RouterInfo::eAllTransports);
+				if (!path->outboundTunnel) return nullptr;
 			}
 			else
 			{

libi2pd/Destination.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -13,7 +13,6 @@
 #include <vector>
 #include <boost/algorithm/string.hpp>
 #include "Crypto.h"
-#include "Config.h"
 #include "Log.h"
 #include "FS.h"
 #include "Timestamp.h"
@@ -35,6 +34,8 @@ namespace client
 		int inQty   = DEFAULT_INBOUND_TUNNELS_QUANTITY;
 		int outLen  = DEFAULT_OUTBOUND_TUNNEL_LENGTH;
 		int outQty  = DEFAULT_OUTBOUND_TUNNELS_QUANTITY;
+		int inVar   = DEFAULT_INBOUND_TUNNELS_LENGTH_VARIANCE;
+		int outVar  = DEFAULT_OUTBOUND_TUNNELS_LENGTH_VARIANCE;
 		int numTags = DEFAULT_TAGS_TO_SEND;
 		std::shared_ptr<std::vector<i2p::data::IdentHash> > explicitPeers;
 		try
@@ -53,10 +54,16 @@ namespace client
 				it = params->find (I2CP_PARAM_OUTBOUND_TUNNELS_QUANTITY);
 				if (it != params->end ())
 					outQty = std::stoi(it->second);
+				it = params->find (I2CP_PARAM_INBOUND_TUNNELS_LENGTH_VARIANCE);
+				if (it != params->end ())
+					inVar = std::stoi(it->second);
+				it = params->find (I2CP_PARAM_OUTBOUND_TUNNELS_LENGTH_VARIANCE);
+				if (it != params->end ())
+					outVar = std::stoi(it->second);
 				it = params->find (I2CP_PARAM_TAGS_TO_SEND);
 				if (it != params->end ())
 					numTags = std::stoi(it->second);
-				LogPrint (eLogInfo, "Destination: parameters for tunnel set to: ", inQty, " inbound (", inLen, " hops), ", outQty, " outbound (", outLen, " hops), ", numTags, " tags");
+				LogPrint (eLogInfo, "Destination: Parameters for tunnel set to: ", inQty, " inbound (", inLen, " hops), ", outQty, " outbound (", outLen, " hops), ", numTags, " tags");
 				it = params->find (I2CP_PARAM_RATCHET_INBOUND_TAGS);
 				if (it != params->end ())
 					SetNumRatchetInboundTags (std::stoi(it->second));
@@ -86,9 +93,7 @@ namespace client
 				if (it != params->end ())
 				{
 					// oveeride isPublic
-					bool dontpublish = false;
+					m_IsPublic = (it->second != "true");
-					i2p::config::GetOption (it->second, dontpublish);
-					m_IsPublic = !dontpublish;
 				}
 				it = params->find (I2CP_PARAM_LEASESET_TYPE);
 				if (it != params->end ())
@@ -112,7 +117,7 @@ namespace client
 					m_LeaseSetPrivKey.reset (new i2p::data::Tag<32>());
 					if (m_LeaseSetPrivKey->FromBase64 (it->second) != 32)
 					{
-						LogPrint(eLogError, "Destination: invalid value i2cp.leaseSetPrivKey ", it->second);
+						LogPrint(eLogError, "Destination: Invalid value i2cp.leaseSetPrivKey ", it->second);
 						m_LeaseSetPrivKey.reset (nullptr);
 					}
 				}
@@ -120,10 +125,10 @@ namespace client
 		}
 		catch (std::exception & ex)
 		{
-			LogPrint(eLogError, "Destination: unable to parse parameters for destination: ", ex.what());
+			LogPrint(eLogError, "Destination: Unable to parse parameters for destination: ", ex.what());
 		}
 		SetNumTags (numTags);
-		m_Pool = i2p::tunnel::tunnels.CreateTunnelPool (inLen, outLen, inQty, outQty);
+		m_Pool = i2p::tunnel::tunnels.CreateTunnelPool (inLen, outLen, inQty, outQty, inVar, outVar);
 		if (explicitPeers)
 			m_Pool->SetExplicitPeers (explicitPeers);
 		if(params)
@@ -136,7 +141,7 @@ namespace client
 					auto minlatency = std::stoi(itr->second);
 					if ( minlatency > 0 && maxlatency > 0 ) {
 						// set tunnel pool latency
-						LogPrint(eLogInfo, "Destination: requiring tunnel latency [", minlatency, "ms, ", maxlatency, "ms]");
+						LogPrint(eLogInfo, "Destination: Requiring tunnel latency [", minlatency, "ms, ", maxlatency, "ms]");
 						m_Pool->RequireLatency(minlatency, maxlatency);
 					}
 				}
@@ -251,7 +256,7 @@ namespace client
 			}
 			else
 			{
-				LogPrint (eLogWarning, "Destination: remote LeaseSet expired");
+				LogPrint (eLogWarning, "Destination: Remote LeaseSet expired");
 				std::lock_guard<std::mutex> lock(m_RemoteLeaseSetsMutex);
 				m_RemoteLeaseSets.erase (ident);
 				return nullptr;
@@ -331,6 +336,22 @@ namespace client
 		return true;
 	}
 
+	void LeaseSetDestination::SubmitECIESx25519Key (const uint8_t * key, uint64_t tag)
+	{
+		struct
+		{
+			uint8_t k[32];
+			uint64_t t;
+		} data;
+		memcpy (data.k, key, 32);
+		data.t = tag;
+		auto s = shared_from_this ();
+		m_Service.post ([s,data](void)
+			{
+				s->AddECIESx25519Key (data.k, data.t);
+			});
+	}
+
 	void LeaseSetDestination::ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg)
 	{
 		m_Service.post (std::bind (&LeaseSetDestination::HandleGarlicMessage, shared_from_this (), msg));
@@ -555,16 +576,9 @@ namespace client
 				shared_from_this (), std::placeholders::_1));
 			return;
 		}
-		auto outbound = m_Pool->GetNextOutboundTunnel ();
+		if (!m_Pool->GetInboundTunnels ().size () || !m_Pool->GetOutboundTunnels ().size ())
-		if (!outbound)
 		{
-			LogPrint (eLogError, "Destination: Can't publish LeaseSet. No outbound tunnels");
+			LogPrint (eLogError, "Destination: Can't publish LeaseSet. Destination is not ready");
-			return;
-		}
-		auto inbound = m_Pool->GetNextInboundTunnel ();
-		if (!inbound)
-		{
-			LogPrint (eLogError, "Destination: Can't publish LeaseSet. No inbound tunnels");
 			return;
 		}
 		auto floodfill = i2p::data::netdb.GetClosestFloodfill (leaseSet->GetIdentHash (), m_ExcludedFloodfills);
@@ -574,6 +588,33 @@ namespace client
 			m_ExcludedFloodfills.clear ();
 			return;
 		}
+		auto outbound = m_Pool->GetNextOutboundTunnel (nullptr, floodfill->GetCompatibleTransports (false));
+		auto inbound = m_Pool->GetNextInboundTunnel (nullptr, floodfill->GetCompatibleTransports (true));
+		if (!outbound || !inbound)
+		{
+			LogPrint (eLogInfo, "Destination: No compatible tunnels with ", floodfill->GetIdentHash ().ToBase64 (), ". Trying another floodfill");
+			m_ExcludedFloodfills.insert (floodfill->GetIdentHash ());
+			floodfill = i2p::data::netdb.GetClosestFloodfill (leaseSet->GetIdentHash (), m_ExcludedFloodfills);
+			if (floodfill)
+			{
+				outbound = m_Pool->GetNextOutboundTunnel (nullptr, floodfill->GetCompatibleTransports (false));
+				if (outbound)
+				{
+					inbound = m_Pool->GetNextInboundTunnel (nullptr, floodfill->GetCompatibleTransports (true));
+					if (!inbound)
+						LogPrint (eLogError, "Destination: Can't publish LeaseSet. No inbound tunnels");
+				}
+				else
+					LogPrint (eLogError, "Destination: Can't publish LeaseSet. No outbound tunnels");
+			}
+			else
+				LogPrint (eLogError, "Destination: Can't publish LeaseSet, no more floodfills found");
+			if (!floodfill || !outbound || !inbound)
+			{
+				m_ExcludedFloodfills.clear ();
+				return;
+			}
+		}
 		m_ExcludedFloodfills.insert (floodfill->GetIdentHash ());
 		LogPrint (eLogDebug, "Destination: Publish LeaseSet of ", GetIdentHash ().ToBase32 ());
 		RAND_bytes ((uint8_t *)&m_PublishReplyToken, 4);
@@ -618,7 +659,7 @@ namespace client
 			auto ls = GetLeaseSetMt ();
 			if (!ls)
 			{
-				LogPrint (eLogWarning, "Destination: couldn't verify LeaseSet for ", GetIdentHash().ToBase32());
+				LogPrint (eLogWarning, "Destination: Couldn't verify LeaseSet for ", GetIdentHash().ToBase32());
 				return;
 			}
 			auto s = shared_from_this ();
@@ -630,7 +671,7 @@ namespace client
 						if (*ls == *leaseSet)
 						{
 							// we got latest LeasetSet
-							LogPrint (eLogDebug, "Destination: published LeaseSet verified for ", s->GetIdentHash().ToBase32());
+							LogPrint (eLogDebug, "Destination: Published LeaseSet verified for ", s->GetIdentHash().ToBase32());
 							s->m_PublishVerificationTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_REGULAR_VERIFICATION_INTERNAL));
 							s->m_PublishVerificationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishVerificationTimer, s, std::placeholders::_1));
 							return;
@@ -639,7 +680,7 @@ namespace client
 							LogPrint (eLogDebug, "Destination: LeaseSet is different than just published for ", s->GetIdentHash().ToBase32());
 					}
 					else
-						LogPrint (eLogWarning, "Destination: couldn't find published LeaseSet for ", s->GetIdentHash().ToBase32());
+						LogPrint (eLogWarning, "Destination: Couldn't find published LeaseSet for ", s->GetIdentHash().ToBase32());
 					// we have to publish again
 					s->Publish ();
 				});
@@ -751,10 +792,10 @@ namespace client
 		std::shared_ptr<const i2p::data::RouterInfo> nextFloodfill, std::shared_ptr<LeaseSetRequest> request)
 	{
 		if (!request->replyTunnel || !request->replyTunnel->IsEstablished ())
-			request->replyTunnel = m_Pool->GetNextInboundTunnel ();
+			request->replyTunnel = m_Pool->GetNextInboundTunnel (nullptr, nextFloodfill->GetCompatibleTransports (true));
 		if (!request->replyTunnel) LogPrint (eLogError, "Destination: Can't send LeaseSet request, no inbound tunnels found");
 		if (!request->outboundTunnel || !request->outboundTunnel->IsEstablished ())
-			request->outboundTunnel = m_Pool->GetNextOutboundTunnel ();
+			request->outboundTunnel = m_Pool->GetNextOutboundTunnel (nullptr, nextFloodfill->GetCompatibleTransports (false));
 		if (!request->outboundTunnel) LogPrint (eLogError, "Destination: Can't send LeaseSet request, no outbound tunnels found");
 
 		if (request->replyTunnel && request->outboundTunnel)
@@ -910,7 +951,7 @@ namespace client
 		for (auto& it: encryptionKeyTypes)
 		{
 			auto encryptionKey = new EncryptionKey (it);
-			if (isPublic)
+			if (IsPublic ())
 				PersistTemporaryKeys (encryptionKey, isSingleKey);
 			else
 				encryptionKey->GenerateKeys ();
@@ -925,7 +966,7 @@ namespace client
 				m_StandardEncryptionKey.reset (encryptionKey);
 		}
 
-		if (isPublic)
+		if (IsPublic ())
 			LogPrint (eLogInfo, "Destination: Local address ", GetIdentHash().ToBase32 (), " created");
 
 		try
@@ -938,7 +979,7 @@ namespace client
 					m_StreamingAckDelay = std::stoi(it->second);
 				it = params->find (I2CP_PARAM_STREAMING_ANSWER_PINGS);
 				if (it != params->end ())
-					i2p::config::GetOption (it->second, m_IsStreamingAnswerPings);
+					m_IsStreamingAnswerPings = (it->second == "true");
 
 				if (GetLeaseSetType () == i2p::data::NETDB_STORE_TYPE_ENCRYPTED_LEASESET2)
 				{
@@ -966,7 +1007,7 @@ namespace client
 		}
 		catch (std::exception & ex)
 		{
-			LogPrint(eLogError, "Destination: unable to parse parameters for destination: ", ex.what());
+			LogPrint(eLogError, "Destination: Unable to parse parameters for destination: ", ex.what());
 		}
 	}
 
@@ -1042,7 +1083,7 @@ namespace client
 					LogPrint (eLogError, "Destination: Missing raw datagram destination");
 			break;
 			default:
-				LogPrint (eLogError, "Destination: Data: unexpected protocol ", buf[9]);
+				LogPrint (eLogError, "Destination: Data: Unexpected protocol ", buf[9]);
 		}
 	}
 
@@ -1050,7 +1091,7 @@ namespace client
 	{
 		if (!streamRequestComplete)
 		{
-			LogPrint (eLogError, "Destination: request callback is not specified in CreateStream");
+			LogPrint (eLogError, "Destination: Request callback is not specified in CreateStream");
 			return;
 		}
 		auto leaseSet = FindLeaseSet (dest);
@@ -1074,7 +1115,7 @@ namespace client
 	{
 		if (!streamRequestComplete)
 		{
-			LogPrint (eLogError, "Destination: request callback is not specified in CreateStream");
+			LogPrint (eLogError, "Destination: Request callback is not specified in CreateStream");
 			return;
 		}
 		auto s = GetSharedFromThis ();
@@ -1282,7 +1323,7 @@ namespace client
 		if (m_StandardEncryptionKey && m_StandardEncryptionKey->decryptor)
 			return m_StandardEncryptionKey->decryptor->Decrypt (encrypted, data);
 		else
-			LogPrint (eLogError, "Destinations: decryptor is not set");
+			LogPrint (eLogError, "Destinations: Decryptor is not set");
 		return false;
 	}
 

libi2pd/Destination.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -53,6 +53,10 @@ namespace client
 	const int DEFAULT_INBOUND_TUNNELS_QUANTITY = 5;
 	const char I2CP_PARAM_OUTBOUND_TUNNELS_QUANTITY[] = "outbound.quantity";
 	const int DEFAULT_OUTBOUND_TUNNELS_QUANTITY = 5;
+	const char I2CP_PARAM_INBOUND_TUNNELS_LENGTH_VARIANCE[] = "inbound.lengthVariance";
+	const int DEFAULT_INBOUND_TUNNELS_LENGTH_VARIANCE = 0;
+	const char I2CP_PARAM_OUTBOUND_TUNNELS_LENGTH_VARIANCE[] = "outbound.lengthVariance";
+	const int DEFAULT_OUTBOUND_TUNNELS_LENGTH_VARIANCE = 0;
 	const char I2CP_PARAM_EXPLICIT_PEERS[] = "explicitPeers";
 	const int STREAM_REQUEST_TIMEOUT = 60; //in seconds
 	const char I2CP_PARAM_TAGS_TO_SEND[] = "crypto.tagsToSend";
@@ -134,6 +138,7 @@ namespace client
 
 			// override GarlicDestination
 			bool SubmitSessionKey (const uint8_t * key, const uint8_t * tag);
+			void SubmitECIESx25519Key (const uint8_t * key, uint64_t tag);
 			void ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg);
 			void ProcessDeliveryStatusMessage (std::shared_ptr<I2NPMessage> msg);
 			void SetLeaseSetUpdated ();

libi2pd/ECIESX25519AEADRatchetSession.cpp

@@ -314,7 +314,7 @@ namespace garlic
 						GetOwner ()->HandleECIESx25519GarlicClove (buf + offset, size);
 				break;
 				case eECIESx25519BlkNextKey:
-					LogPrint (eLogDebug, "Garlic: next key");
+					LogPrint (eLogDebug, "Garlic: Next key");
 					if (receiveTagset)
 						HandleNextKey (buf + offset, size, receiveTagset);
 					else
@@ -322,7 +322,7 @@ namespace garlic
 				break;
 				case eECIESx25519BlkAck:
 				{
-					LogPrint (eLogDebug, "Garlic: ack");
+					LogPrint (eLogDebug, "Garlic: Ack");
 					int numAcks = size >> 2; // /4
 					auto offset1 = offset;
 					for (auto i = 0; i < numAcks; i++)
@@ -334,24 +334,24 @@ namespace garlic
 				}
 				case eECIESx25519BlkAckRequest:
 				{
-					LogPrint (eLogDebug, "Garlic: ack request");
+					LogPrint (eLogDebug, "Garlic: Ack request");
 					m_AckRequests.push_back ({receiveTagset->GetTagSetID (), index});
 					break;
 				}
 				case eECIESx25519BlkTermination:
-					LogPrint (eLogDebug, "Garlic: termination");
+					LogPrint (eLogDebug, "Garlic: Termination");
 					if (GetOwner ())
 						GetOwner ()->RemoveECIESx25519Session (m_RemoteStaticKey);
 					if (receiveTagset) receiveTagset->Expire ();
 				break;
 				case eECIESx25519BlkDateTime:
-					LogPrint (eLogDebug, "Garlic: datetime");
+					LogPrint (eLogDebug, "Garlic: Datetime");
 				break;
 				case eECIESx25519BlkOptions:
-					LogPrint (eLogDebug, "Garlic: options");
+					LogPrint (eLogDebug, "Garlic: Options");
 				break;
 				case eECIESx25519BlkPadding:
-					LogPrint (eLogDebug, "Garlic: padding");
+					LogPrint (eLogDebug, "Garlic: Padding");
 				break;
 				default:
 					LogPrint (eLogWarning, "Garlic: Unknown block type ", (int)blk);
@@ -381,7 +381,7 @@ namespace garlic
 				newTagset->NextSessionTagRatchet ();
 				m_SendTagset = newTagset;
 				m_SendForwardKey = false;
-				LogPrint (eLogDebug, "Garlic: next send tagset ", newTagset->GetTagSetID (), " created");
+				LogPrint (eLogDebug, "Garlic: Next send tagset ", newTagset->GetTagSetID (), " created");
 			}
 			else
 				LogPrint (eLogDebug, "Garlic: Unexpected next key ", keyID);
@@ -424,7 +424,7 @@ namespace garlic
 			GenerateMoreReceiveTags (newTagset, (GetOwner () && GetOwner ()->GetNumRatchetInboundTags () > 0) ?
 				GetOwner ()->GetNumRatchetInboundTags () : ECIESX25519_MAX_NUM_GENERATED_TAGS);
 			receiveTagset->Expire ();
-			LogPrint (eLogDebug, "Garlic: next receive tagset ", tagsetID, " created");
+			LogPrint (eLogDebug, "Garlic: Next receive tagset ", tagsetID, " created");
 		}
 	}
 
@@ -446,7 +446,7 @@ namespace garlic
 			m_NextSendRatchet->key = i2p::transport::transports.GetNextX25519KeysPair ();
 
 		m_SendForwardKey = true;
-		LogPrint (eLogDebug, "Garlic: new send ratchet ", m_NextSendRatchet->newKey ? "new" : "old", " key ", m_NextSendRatchet->keyID, " created");
+		LogPrint (eLogDebug, "Garlic: New send ratchet ", m_NextSendRatchet->newKey ? "new" : "old", " key ", m_NextSendRatchet->keyID, " created");
 	}
 
 	bool ECIESX25519AEADRatchetSession::NewOutgoingSessionMessage (const uint8_t * payload, size_t len, uint8_t * out, size_t outLen, bool isStatic)
@@ -534,7 +534,7 @@ namespace garlic
 			LogPrint (eLogError, "Garlic: Can't encode elligator");
 			return false;
 		}
-		memcpy (m_NSREncodedKey, out + offset, 56); // for possible next NSR
+		memcpy (m_NSREncodedKey, out + offset, 32); // for possible next NSR
 		memcpy (m_NSRH, m_H, 32);
 		offset += 32;
 		// KDF for Reply Key Section
@@ -618,7 +618,7 @@ namespace garlic
 	bool ECIESX25519AEADRatchetSession::HandleNewOutgoingSessionReply (uint8_t * buf, size_t len)
 	{
 		// we are Alice
-		LogPrint (eLogDebug, "Garlic: reply received");
+		LogPrint (eLogDebug, "Garlic: Reply received");
 		const uint8_t * tag = buf;
 		buf += 8; len -= 8; // tag
 		uint8_t bepk[32]; // Bob's ephemeral key
@@ -700,7 +700,7 @@ namespace garlic
 		uint64_t tag = m_SendTagset->GetNextSessionTag ();
 		if (!tag)
 		{
-			LogPrint (eLogError, "Garlic: can't create new ECIES-X25519-AEAD-Ratchet tag for send tagset");
+			LogPrint (eLogError, "Garlic: Can't create new ECIES-X25519-AEAD-Ratchet tag for send tagset");
 			if (GetOwner ())
 				GetOwner ()->RemoveECIESx25519Session (m_RemoteStaticKey);
 			return false;
@@ -776,7 +776,7 @@ namespace garlic
 				if (receiveTagset->IsNS ())
 				{
 					// our of sequence NSR
-					LogPrint (eLogDebug, "Garlic: check for out of order NSR with index ", index);
+					LogPrint (eLogDebug, "Garlic: Check for out of order NSR with index ", index);
 					if (receiveTagset->GetNextIndex () - index < ECIESX25519_NSR_NUM_GENERATED_TAGS/2)
 						GenerateMoreReceiveTags (receiveTagset, ECIESX25519_NSR_NUM_GENERATED_TAGS);
 					return HandleNewOutgoingSessionReply (buf, len);
@@ -912,7 +912,7 @@ namespace garlic
 		{
 			if (payloadLen > I2NP_MAX_MESSAGE_SIZE)
 			{
-				LogPrint (eLogError, "Garlic: payload length ", payloadLen, " is too long");
+				LogPrint (eLogError, "Garlic: Payload length ", payloadLen, " is too long");
 				return 0;
 			}
 			m_LastSentTimestamp = ts;
@@ -1056,7 +1056,7 @@ namespace garlic
 				auto tag = GetOwner ()->AddECIESx25519SessionNextTag (receiveTagset);
 				if (!tag)
 				{
-					LogPrint (eLogError, "Garlic: can't create new ECIES-X25519-AEAD-Ratchet tag for receive tagset");
+					LogPrint (eLogError, "Garlic: Can't create new ECIES-X25519-AEAD-Ratchet tag for receive tagset");
 					break;
 				}
 			}

libi2pd/ECIESX25519AEADRatchetSession.h

@@ -1,4 +1,3 @@
-
 /*
 * Copyright (c) 2013-2021, The PurpleI2P Project
 *

libi2pd/FS.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -60,10 +60,38 @@ namespace fs {
 	}
 
 	void DetectDataDir(const std::string & cmdline_param, bool isService) {
+		// with 'datadir' option
 		if (cmdline_param != "") {
 			dataDir = cmdline_param;
 			return;
 		}
+
+#if !defined(MAC_OSX) && !defined(ANDROID)
+		// with 'service' option
+		if (isService) {
+#ifdef _WIN32
+			wchar_t commonAppData[MAX_PATH];
+			if(SHGetFolderPathW(NULL, CSIDL_COMMON_APPDATA, NULL, 0, commonAppData) != S_OK)
+			{
+#ifdef WIN32_APP
+				MessageBox(NULL, TEXT("Unable to get common AppData path!"), TEXT("I2Pd: error"), MB_ICONERROR | MB_OK);
+#else
+				fprintf(stderr, "Error: Unable to get common AppData path!");
+#endif
+				exit(1);
+			}
+			else
+			{
+				dataDir = boost::filesystem::wpath(commonAppData).string() + "\\" + appName;
+			}
+#else
+			dataDir = "/var/lib/" + appName;
+#endif
+			return;
+		}
+#endif
+
+		// detect directory as usual
 #ifdef _WIN32
 		wchar_t localAppData[MAX_PATH];
 
@@ -117,12 +145,10 @@ namespace fs {
 			dataDir = std::string (ext) + "/" + appName;
 			return;
 		}
-#endif
+#endif // ANDROID
-		// otherwise use /data/files
+		// use /home/user/.i2pd or /tmp/i2pd
 		char *home = getenv("HOME");
-		if (isService) {
+		if (home != NULL && strlen(home) > 0) {
-			dataDir = "/var/lib/" + appName;
-		} else if (home != NULL && strlen(home) > 0) {
 			dataDir = std::string(home) + "/." + appName;
 		} else {
 			dataDir = "/tmp/" + appName;

libi2pd/Family.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -88,7 +88,7 @@ namespace data
 				}
 				EVP_PKEY_free (pkey);
 				if (verifier && cn)
-					m_SigningKeys[cn] = verifier;
+					m_SigningKeys.emplace (cn, std::make_pair(verifier, m_SigningKeys.size () + 1));
 			}
 			SSL_free (ssl);
 		}
@@ -121,7 +121,7 @@ namespace data
 	}
 
 	bool Families::VerifyFamily (const std::string& family, const IdentHash& ident,
-		const char * signature, const char * key)
+		const char * signature, const char * key) const
 	{
 		uint8_t buf[100], signatureBuf[64];
 		size_t len = family.length (), signatureLen = strlen (signature);
@@ -137,11 +137,19 @@ namespace data
 		Base64ToByteStream (signature, signatureLen, signatureBuf, 64);
 		auto it = m_SigningKeys.find (family);
 		if (it != m_SigningKeys.end ())
-			return it->second->Verify (buf, len, signatureBuf);
+			return it->second.first->Verify (buf, len, signatureBuf);
 		// TODO: process key
 		return true;
 	}
 
+	FamilyID Families::GetFamilyID (const std::string& family) const
+	{
+		auto it = m_SigningKeys.find (family);
+		if (it != m_SigningKeys.end ())
+			return it->second.second;
+		return 0;
+	}
+
 	std::string CreateFamilySignature (const std::string& family, const IdentHash& ident)
 	{
 		auto filename = i2p::fs::DataDirPath("family", (family + ".key"));

libi2pd/Family.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -19,6 +19,7 @@ namespace i2p
 {
 namespace data
 {
+	typedef int FamilyID;
 	class Families
 	{
 		public:
@@ -27,7 +28,8 @@ namespace data
 			~Families ();
 			void LoadCertificates ();
 			bool VerifyFamily (const std::string& family, const IdentHash& ident,
-				const char * signature, const char * key = nullptr);
+				const char * signature, const char * key = nullptr) const;
+			FamilyID GetFamilyID (const std::string& family) const;
 
 		private:
 
@@ -35,7 +37,7 @@ namespace data
 
 		private:
 
-			std::map<std::string, std::shared_ptr<i2p::crypto::Verifier> > m_SigningKeys;
+			std::map<std::string, std::pair<std::shared_ptr<i2p::crypto::Verifier>, FamilyID> > m_SigningKeys; // family -> (verifier, id)
 	};
 
 	std::string CreateFamilySignature (const std::string& family, const IdentHash& ident);

libi2pd/Garlic.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -271,7 +271,7 @@ namespace garlic
 				(*numCloves)++;
 			}
 		}
-		if (msg) // clove message ifself if presented
+		if (msg) // clove message itself if presented
 		{
 			size += CreateGarlicClove (payload + size, msg, m_Destination ? m_Destination->IsDestination () : false);
 			(*numCloves)++;
@@ -484,13 +484,18 @@ namespace garlic
 		return true;
 	}
 
+	void GarlicDestination::SubmitECIESx25519Key (const uint8_t * key, uint64_t tag)
+	{
+		AddECIESx25519Key (key, tag);
+	}
+
 	void GarlicDestination::HandleGarlicMessage (std::shared_ptr<I2NPMessage> msg)
 	{
 		uint8_t * buf = msg->GetPayload ();
 		uint32_t length = bufbe32toh (buf);
 		if (length > msg->GetLength ())
 		{
-			LogPrint (eLogWarning, "Garlic: message length ", length, " exceeds I2NP message length ", msg->GetLength ());
+			LogPrint (eLogWarning, "Garlic: Message length ", length, " exceeds I2NP message length ", msg->GetLength ());
 			return;
 		}
 		auto mod = length & 0x0f; // %16
@@ -519,7 +524,7 @@ namespace garlic
 					found = true;
 				}
 				else
-					LogPrint (eLogWarning, "Garlic: message length ", length, " is less than 32 bytes");
+					LogPrint (eLogWarning, "Garlic: Message length ", length, " is less than 32 bytes");
 			}
 			if (!found) // assume new session
 			{
@@ -542,18 +547,18 @@ namespace garlic
 					auto session = std::make_shared<ECIESX25519AEADRatchetSession> (this, false); // incoming
 					if (!session->HandleNextMessage (buf, length, nullptr, 0))
 					{
-						// try to gererate more tags for last tagset 
+						// try to generate more tags for last tagset
 						if (m_LastTagset && (m_LastTagset->GetNextIndex () - m_LastTagset->GetTrimBehind () < 3*ECIESX25519_MAX_NUM_GENERATED_TAGS))
 						{
 							uint64_t missingTag; memcpy (&missingTag, buf, 8);
 							auto maxTags = std::max (m_NumRatchetInboundTags, ECIESX25519_MAX_NUM_GENERATED_TAGS);
-							LogPrint (eLogWarning, "Garlic: trying to generate more ECIES-X25519-AEAD-Ratchet tags");
+							LogPrint (eLogWarning, "Garlic: Trying to generate more ECIES-X25519-AEAD-Ratchet tags");
 							for (int i = 0; i < maxTags; i++)
 							{
 								auto nextTag = AddECIESx25519SessionNextTag (m_LastTagset);
 								if (!nextTag)
 								{
-									LogPrint (eLogError, "Garlic: can't create new ECIES-X25519-AEAD-Ratchet tag for last tagset");
+									LogPrint (eLogError, "Garlic: Can't create new ECIES-X25519-AEAD-Ratchet tag for last tagset");
 									break;
 								}
 								if (nextTag == missingTag)
@@ -567,7 +572,7 @@ namespace garlic
 							if (!found) m_LastTagset = nullptr;
 						}
 						if (!found)
-							LogPrint (eLogError, "Garlic: can't handle ECIES-X25519-AEAD-Ratchet message");
+							LogPrint (eLogError, "Garlic: Can't handle ECIES-X25519-AEAD-Ratchet message");
 					}
 				}
 				else
@@ -586,7 +591,7 @@ namespace garlic
 			if (it->second.tagset->HandleNextMessage (buf, len, it->second.index))
 				m_LastTagset = it->second.tagset;
 			else
-				LogPrint (eLogError, "Garlic: can't handle ECIES-X25519-AEAD-Ratchet message");					
+				LogPrint (eLogError, "Garlic: Can't handle ECIES-X25519-AEAD-Ratchet message");
 			m_ECIESx25519Tags.erase (it);
 			return true;
 		}
@@ -629,7 +634,7 @@ namespace garlic
 		SHA256 (buf, payloadSize, digest);
 		if (memcmp (payloadHash, digest, 32)) // payload hash doesn't match
 		{
-			LogPrint (eLogError, "Garlic: wrong payload hash");
+			LogPrint (eLogError, "Garlic: Wrong payload hash");
 			return;
 		}
 		HandleGarlicPayload (buf, payloadSize, from);
@@ -639,7 +644,7 @@ namespace garlic
 	{
 		if (len < 1)
 		{
-			LogPrint (eLogError, "Garlic: payload is too short");
+			LogPrint (eLogError, "Garlic: Payload is too short");
 			return;
 		}
 		int numCloves = buf[0];
@@ -654,7 +659,7 @@ namespace garlic
 			if (flag & 0x80) // encrypted?
 			{
 				// TODO: implement
-				LogPrint (eLogWarning, "Garlic: clove encrypted");
+				LogPrint (eLogWarning, "Garlic: Clove encrypted");
 				buf += 32;
 			}
 			ptrdiff_t offset = buf - buf1;
@@ -662,35 +667,35 @@ namespace garlic
 			switch (deliveryType)
 			{
 				case eGarlicDeliveryTypeLocal:
-					LogPrint (eLogDebug, "Garlic: type local");
+					LogPrint (eLogDebug, "Garlic: Type local");
 					if (offset > (int)len)
 					{
-						LogPrint (eLogError, "Garlic: message is too short");
+						LogPrint (eLogError, "Garlic: Message is too short");
 						break;
 					}
 					HandleI2NPMessage (buf, len - offset);
 				break;
 				case eGarlicDeliveryTypeDestination:
-					LogPrint (eLogDebug, "Garlic: type destination");
+					LogPrint (eLogDebug, "Garlic: Type destination");
 					buf += 32; // destination. check it later or for multiple destinations
 					offset = buf - buf1;
 					if (offset > (int)len)
 					{
-						LogPrint (eLogError, "Garlic: message is too short");
+						LogPrint (eLogError, "Garlic: Message is too short");
 						break;
 					}
 					HandleI2NPMessage (buf, len - offset);
 				break;
 				case eGarlicDeliveryTypeTunnel:
 				{
-					LogPrint (eLogDebug, "Garlic: type tunnel");
+					LogPrint (eLogDebug, "Garlic: Type tunnel");
 					// gwHash and gwTunnel sequence is reverted
 					uint8_t * gwHash = buf;
 					buf += 32;
 					offset = buf - buf1;
 					if (offset + 4 > (int)len)
 					{
-						LogPrint (eLogError, "Garlic: message is too short");
+						LogPrint (eLogError, "Garlic: Message is too short");
 						break;
 					}
 					uint32_t gwTunnel = bufbe32toh (buf);
@@ -721,22 +726,22 @@ namespace garlic
 					{
 						if (offset > (int)len)
 						{
-							LogPrint (eLogError, "Garlic: message is too short");
+							LogPrint (eLogError, "Garlic: Message is too short");
 							break;
 						}
 						i2p::transport::transports.SendMessage (ident,
 							CreateI2NPMessage (buf, GetI2NPMessageLength (buf, len - offset)));
 					}
 					else
-						LogPrint (eLogWarning, "Garlic: type router for inbound tunnels not supported");
+						LogPrint (eLogWarning, "Garlic: Type router for inbound tunnels not supported");
 					break;
 				}
 				default:
-					LogPrint (eLogWarning, "Garlic: unknown delivery type ", (int)deliveryType);
+					LogPrint (eLogWarning, "Garlic: Unknown delivery type ", (int)deliveryType);
 			}
 			if (offset > (int)len)
 			{
-				LogPrint (eLogError, "Garlic: message is too short");
+				LogPrint (eLogError, "Garlic: Message is too short");
 				break;
 			}
 			buf += GetI2NPMessageLength (buf, len - offset); // I2NP
@@ -746,7 +751,7 @@ namespace garlic
 			offset = buf - buf1;
 			if (offset > (int)len)
 			{
-				LogPrint (eLogError, "Garlic: clove is too long");
+				LogPrint (eLogError, "Garlic: Clove is too long");
 				break;
 			}
 			len -= offset;
@@ -780,7 +785,7 @@ namespace garlic
 				session = it->second;
 				if (session->IsInactive (i2p::util::GetSecondsSinceEpoch ()))
 				{
-					LogPrint (eLogDebug, "Garlic: session restarted");
+					LogPrint (eLogDebug, "Garlic: Session restarted");
 					session = nullptr;
 				}
 			}
@@ -840,7 +845,7 @@ namespace garlic
 				it->second->GetSharedRoutingPath (); // delete shared path if necessary
 				if (!it->second->CleanupExpiredTags ())
 				{
-					LogPrint (eLogInfo, "Routing session to ", it->first.ToBase32 (), " deleted");
+					LogPrint (eLogInfo, "Garlic: Routing session to ", it->first.ToBase32 (), " deleted");
 					it->second->SetOwner (nullptr);
 					it = m_Sessions.erase (it);
 				}
@@ -925,7 +930,7 @@ namespace garlic
 		if (session)
 		{
 			session->MessageConfirmed (msgID);
-			LogPrint (eLogDebug, "Garlic: message ", msgID, " acknowledged");
+			LogPrint (eLogDebug, "Garlic: Message ", msgID, " acknowledged");
 		}
 	}
 
@@ -1030,7 +1035,7 @@ namespace garlic
 		switch (deliveryType)
 		{
 			case eGarlicDeliveryTypeDestination:
-				LogPrint (eLogDebug, "Garlic: type destination");
+				LogPrint (eLogDebug, "Garlic: Type destination");
 				buf += 32; // TODO: check destination
 #if (__cplusplus >= 201703L) // C++ 17 or higher
 				[[fallthrough]];
@@ -1038,7 +1043,7 @@ namespace garlic
 				// no break here
 			case eGarlicDeliveryTypeLocal:
 			{
-				LogPrint (eLogDebug, "Garlic: type local");
+				LogPrint (eLogDebug, "Garlic: Type local");
 				I2NPMessageType typeID = (I2NPMessageType)(buf[0]); buf++; // typeid
 				int32_t msgID = bufbe32toh (buf); buf += 4; // msgID
 				buf += 4; // expiration
@@ -1046,19 +1051,19 @@ namespace garlic
 				if (offset <= (int)len)
 					HandleCloveI2NPMessage (typeID, buf, len - offset, msgID);
 				else
-					LogPrint (eLogError, "Garlic: clove is too long");
+					LogPrint (eLogError, "Garlic: Clove is too long");
 				break;
 			}
 			case eGarlicDeliveryTypeTunnel:
 			{
-				LogPrint (eLogDebug, "Garlic: type tunnel");
+				LogPrint (eLogDebug, "Garlic: Type tunnel");
 				// gwHash and gwTunnel sequence is reverted
 				const uint8_t * gwHash = buf;
 				buf += 32;
 				ptrdiff_t offset = buf - buf1;
 				if (offset + 13 > (int)len)
 				{
-					LogPrint (eLogError, "Garlic: message is too short");
+					LogPrint (eLogError, "Garlic: Message is too short");
 					break;
 				}
 				uint32_t gwTunnel = bufbe32toh (buf); buf += 4;
@@ -1079,7 +1084,7 @@ namespace garlic
 				break;
 			}
 			default:
-				LogPrint (eLogWarning, "Garlic: unexpected delivery type ", (int)deliveryType);
+				LogPrint (eLogWarning, "Garlic: Unexpected delivery type ", (int)deliveryType);
 		}
 	}
 

libi2pd/Garlic.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -245,6 +245,7 @@ namespace garlic
 			void AddSessionKey (const uint8_t * key, const uint8_t * tag); // one tag
 			void AddECIESx25519Key (const uint8_t * key, uint64_t tag); // one tag
 			virtual bool SubmitSessionKey (const uint8_t * key, const uint8_t * tag); // from different thread
+			virtual void SubmitECIESx25519Key (const uint8_t * key, uint64_t tag); // from different thread
 			void DeliveryStatusSent (GarlicRoutingSessionPtr session, uint32_t msgID);
 			uint64_t AddECIESx25519SessionNextTag (ReceiveRatchetTagSetPtr tagset);
 			void AddECIESx25519Session (const uint8_t * staticKey, ECIESX25519AEADRatchetSessionPtr session);

libi2pd/I2NPProtocol.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -38,20 +38,7 @@ namespace i2p
 
 	std::shared_ptr<I2NPMessage> NewI2NPTunnelMessage (bool endpoint)
 	{
-		I2NPMessage * msg = nullptr;
+		return i2p::tunnel::tunnels.NewI2NPTunnelMessage (endpoint);
-		if (endpoint)
-		{
-			// should fit two tunnel message + tunnel gateway header, enough for one garlic encrypted streaming packet
-			msg = new I2NPMessageBuffer<2*i2p::tunnel::TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE + 28>(); // reserved for alignment and NTCP 16 + 6 + 6
-			msg->Align (6);
-			msg->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header
-		}
-		else
-		{
-			msg = new I2NPMessageBuffer<i2p::tunnel::TUNNEL_DATA_MSG_SIZE + I2NP_HEADER_SIZE + 34>(); // reserved for alignment and NTCP 16 + 6 + 12
-			msg->Align (12);
-		}
-		return std::shared_ptr<I2NPMessage>(msg);
 	}
 
 	std::shared_ptr<I2NPMessage> NewI2NPMessage (size_t len)
@@ -88,7 +75,7 @@ namespace i2p
 	{
 		auto msg = NewI2NPMessage (len);
 		if (msg->Concat (buf, len) < len)
-			LogPrint (eLogError, "I2NP: message length ", len, " exceeds max length ", msg->maxLen);
+			LogPrint (eLogError, "I2NP: Message length ", len, " exceeds max length ", msg->maxLen);
 		msg->FillI2NPMessageHeader (msgType, replyMsgID);
 		return msg;
 	}
@@ -103,7 +90,7 @@ namespace i2p
 			msg->from = from;
 		}
 		else
-			LogPrint (eLogError, "I2NP: message length ", len, " exceeds max length");
+			LogPrint (eLogError, "I2NP: Message length ", len, " exceeds max length");
 		return msg;
 	}
 
@@ -698,7 +685,7 @@ namespace i2p
 		htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
 		msg->len += TUNNEL_GATEWAY_HEADER_SIZE;
 		if (msg->Concat (buf, len) < len)
-			LogPrint (eLogError, "I2NP: tunnel gateway buffer overflow ", msg->maxLen);
+			LogPrint (eLogError, "I2NP: Tunnel gateway buffer overflow ", msg->maxLen);
 		msg->FillI2NPMessageHeader (eI2NPTunnelGateway);
 		return msg;
 	}
@@ -729,7 +716,7 @@ namespace i2p
 		msg->offset += gatewayMsgOffset;
 		msg->len += gatewayMsgOffset;
 		if (msg->Concat (buf, len) < len)
-			LogPrint (eLogError, "I2NP: tunnel gateway buffer overflow ", msg->maxLen);
+			LogPrint (eLogError, "I2NP: Tunnel gateway buffer overflow ", msg->maxLen);
 		msg->FillI2NPMessageHeader (msgType, replyMsgID); // create content message
 		len = msg->GetLength ();
 		msg->offset -= gatewayMsgOffset;
@@ -744,13 +731,13 @@ namespace i2p
 	{
 		if (len < I2NP_HEADER_SIZE_OFFSET + 2)
 		{
-			LogPrint (eLogError, "I2NP: message length ", len, " is smaller than header");
+			LogPrint (eLogError, "I2NP: Message length ", len, " is smaller than header");
 			return len;
 		}
 		auto l = bufbe16toh (msg + I2NP_HEADER_SIZE_OFFSET) + I2NP_HEADER_SIZE;
 		if (l > len)
 		{
-			LogPrint (eLogError, "I2NP: message length ", l, " exceeds buffer length ", len);
+			LogPrint (eLogError, "I2NP: Message length ", l, " exceeds buffer length ", len);
 			l = len;
 		}
 		return l;
@@ -760,18 +747,18 @@ namespace i2p
 	{
 		if (len < I2NP_HEADER_SIZE)
 		{
-			LogPrint (eLogError, "I2NP: message length ", len, " is smaller than header");
+			LogPrint (eLogError, "I2NP: Message length ", len, " is smaller than header");
 			return;
 		}
 		uint8_t typeID = msg[I2NP_HEADER_TYPEID_OFFSET];
 		uint32_t msgID = bufbe32toh (msg + I2NP_HEADER_MSGID_OFFSET);
-		LogPrint (eLogDebug, "I2NP: msg received len=", len,", type=", (int)typeID, ", msgID=", (unsigned int)msgID);
+		LogPrint (eLogDebug, "I2NP: Msg received len=", len,", type=", (int)typeID, ", msgID=", (unsigned int)msgID);
 		uint8_t * buf = msg + I2NP_HEADER_SIZE;
 		auto size = bufbe16toh (msg + I2NP_HEADER_SIZE_OFFSET);
 		len -= I2NP_HEADER_SIZE;
 		if (size > len)
 		{
-			LogPrint (eLogError, "I2NP: payload size ", size, " exceeds buffer length ", len);
+			LogPrint (eLogError, "I2NP: Payload size ", size, " exceeds buffer length ", len);
 			size = len;
 		}
 		switch (typeID)
@@ -815,13 +802,8 @@ namespace i2p
 				break;
 				case eI2NPGarlic:
 				{
-					if (msg->from)
+					if (msg->from && msg->from->GetTunnelPool ())
-					{
-						if (msg->from->GetTunnelPool ())
 						msg->from->GetTunnelPool ()->ProcessGarlicMessage (msg);
-						else
-							LogPrint (eLogInfo, "I2NP: Local destination for garlic doesn't exist anymore");
-					}
 					else
 						i2p::context.ProcessGarlicMessage (msg);
 					break;
@@ -860,7 +842,7 @@ namespace i2p
 		Flush ();
 	}
 
-	void I2NPMessagesHandler::PutNextMessage (std::shared_ptr<I2NPMessage> msg)
+	void I2NPMessagesHandler::PutNextMessage (std::shared_ptr<I2NPMessage>&& msg)
 	{
 		if (msg)
 		{

libi2pd/I2NPProtocol.h

@@ -301,7 +301,7 @@ namespace tunnel
 		public:
 
 			~I2NPMessagesHandler ();
-			void PutNextMessage (std::shared_ptr<I2NPMessage> msg);
+			void PutNextMessage (std::shared_ptr<I2NPMessage>&& msg);
 			void Flush ();
 
 		private:

libi2pd/I2PEndian.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -50,42 +50,3 @@ uint64_t be64toh(uint64_t big64)
 	return u64.raw_value;
 }
 #endif
-
-/* it can be used in Windows 8
-#include <Winsock2.h>
-
-uint16_t htobe16(uint16_t int16)
-{
-	return htons(int16);
-}
-
-uint32_t htobe32(uint32_t int32)
-{
-	return htonl(int32);
-}
-
-uint64_t htobe64(uint64_t int64)
-{
-	// http://msdn.microsoft.com/en-us/library/windows/desktop/jj710199%28v=vs.85%29.aspx
-	//return htonll(int64);
-	return 0;
-}
-
-
-uint16_t be16toh(uint16_t big16)
-{
-	return ntohs(big16);
-}
-
-uint32_t be32toh(uint32_t big32)
-{
-	return ntohl(big32);
-}
-
-uint64_t be64toh(uint64_t big64)
-{
-	// http://msdn.microsoft.com/en-us/library/windows/desktop/jj710199%28v=vs.85%29.aspx
-	//return ntohll(big64);
-	return 0;
-}
-*/

libi2pd/I2PEndian.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -13,10 +13,11 @@
 
 #if defined(__FreeBSD__) || defined(__NetBSD__)
 #include <sys/endian.h>
+
 #elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__GLIBC__)
 #include <endian.h>
-#elif defined(__APPLE__) && defined(__MACH__)
 
+#elif defined(__APPLE__) && defined(__MACH__)
 #include <libkern/OSByteOrder.h>
 
 #define htobe16(x) OSSwapHostToBigInt16(x)
@@ -34,6 +35,22 @@
 #define be64toh(x) OSSwapBigToHostInt64(x)
 #define le64toh(x) OSSwapLittleToHostInt64(x)
 
+#elif defined(_WIN32)
+#define htobe16(x) __builtin_bswap16(x)
+#define htole16(x) (x)
+#define be16toh(x) __builtin_bswap16(x)
+#define le16toh(x) (x)
+
+#define htobe32(x) __builtin_bswap32(x)
+#define htole32(x) (x)
+#define be32toh(x) __builtin_bswap32(x)
+#define le32toh(x) (x)
+
+#define htobe64(x) __builtin_bswap64(x)
+#define htole64(x) (x)
+#define be64toh(x) __builtin_bswap64(x)
+#define le64toh(x) (x)
+
 #else
 #define NEEDS_LOCAL_ENDIAN
 #include <cstdint>

libi2pd/Identity.cpp

@@ -19,7 +19,8 @@ namespace data
 	Identity& Identity::operator=(const Keys& keys)
 	{
 		// copy public and signing keys together
-		memcpy (publicKey, keys.publicKey, sizeof (publicKey) + sizeof (signingKey));
+		memcpy (publicKey, keys.publicKey, sizeof (publicKey));
+		memcpy (signingKey, keys.signingKey, sizeof (signingKey));
 		memset (certificate, 0, sizeof (certificate));
 		return *this;
 	}
@@ -214,7 +215,7 @@ namespace data
 	{
 		if (len < DEFAULT_IDENTITY_SIZE)
 		{
-			LogPrint (eLogError, "Identity: buffer length ", len, " is too small");
+			LogPrint (eLogError, "Identity: Buffer length ", len, " is too small");
 			return 0;
 		}
 		memcpy (&m_StandardIdentity, buf, DEFAULT_IDENTITY_SIZE);
@@ -508,7 +509,7 @@ namespace data
 			if (m_Public->GetSignatureLen () + ret > len) return 0;
 			if (!m_Public->Verify (offlineInfo, keyLen + 6, buf + ret))
 			{
-				LogPrint (eLogError, "Identity: offline signature verification failed");
+				LogPrint (eLogError, "Identity: Offline signature verification failed");
 				return 0;
 			}
 			ret += m_Public->GetSignatureLen ();

libi2pd/LeaseSet.cpp

@@ -61,7 +61,7 @@ namespace data
 		size_t size = m_Identity->GetFullLen ();
 		if (size > m_BufferLen)
 		{
-			LogPrint (eLogError, "LeaseSet: identity length ", size, " exceeds buffer size ", m_BufferLen);
+			LogPrint (eLogError, "LeaseSet: Identity length ", size, " exceeds buffer size ", m_BufferLen);
 			m_IsValid = false;
 			return;
 		}
@@ -80,10 +80,10 @@ namespace data
 		}
 		uint8_t num = m_Buffer[size];
 		size++; // num
-		LogPrint (eLogDebug, "LeaseSet: read num=", (int)num);
+		LogPrint (eLogDebug, "LeaseSet: Read num=", (int)num);
 		if (!num || num > MAX_NUM_LEASES)
 		{
-			LogPrint (eLogError, "LeaseSet: incorrect number of leases", (int)num);
+			LogPrint (eLogError, "LeaseSet: Rncorrect number of leases", (int)num);
 			m_IsValid = false;
 			return;
 		}
@@ -112,7 +112,7 @@ namespace data
 		}
 		if (!m_ExpirationTime)
 		{
-			LogPrint (eLogWarning, "LeaseSet: all leases are expired. Dropped");
+			LogPrint (eLogWarning, "LeaseSet: All leases are expired. Dropped");
 			m_IsValid = false;
 			return;
 		}
@@ -130,7 +130,7 @@ namespace data
 			}
 			else if (!m_Identity->Verify (m_Buffer, signedSize, leases))
 			{
-				LogPrint (eLogWarning, "LeaseSet: verification failed");
+				LogPrint (eLogWarning, "LeaseSet: Verification failed");
 				m_IsValid = false;
 			}
 		}
@@ -274,7 +274,7 @@ namespace data
 	{
 		if (len <= m_BufferLen) m_BufferLen = len;
 		else
-			LogPrint (eLogError, "LeaseSet2: actual buffer size ", len , " exceeds full buffer size ", m_BufferLen);
+			LogPrint (eLogError, "LeaseSet2: Actual buffer size ", len , " exceeds full buffer size ", m_BufferLen);
 	}
 
 	LeaseSet2::LeaseSet2 (uint8_t storeType, const uint8_t * buf, size_t len, bool storeLeases, CryptoKeyType preferredCrypto):
@@ -331,7 +331,7 @@ namespace data
 			m_TransientVerifier = ProcessOfflineSignature (identity, buf, len, offset);
 			if (!m_TransientVerifier)
 			{
-				LogPrint (eLogError, "LeaseSet2: offline signature failed");
+				LogPrint (eLogError, "LeaseSet2: Offline signature failed");
 				return;
 			}
 		}
@@ -378,7 +378,7 @@ namespace data
 		bool verified = verifier->Verify (buf - 1, signatureOffset + 1, buf + signatureOffset);
 		const_cast<uint8_t *>(buf)[-1] = c;
 		if (!verified)
-			LogPrint (eLogWarning, "LeaseSet2: verification failed");
+			LogPrint (eLogWarning, "LeaseSet2: Verification failed");
 		return verified;
 	}
 
@@ -489,7 +489,7 @@ namespace data
 			m_TransientVerifier = ProcessOfflineSignature (blindedVerifier, buf, len, offset);
 			if (!m_TransientVerifier)
 			{
-				LogPrint (eLogError, "LeaseSet2: offline signature failed");
+				LogPrint (eLogError, "LeaseSet2: Offline signature failed");
 				return;
 			}
 		}
@@ -515,7 +515,7 @@ namespace data
 				key->GetBlindedKey (date, blinded.data ());
 				if (memcmp (blindedPublicKey, blinded.data (), blindedKeyLen))
 				{
-					LogPrint (eLogError, "LeaseSet2: blinded public key doesn't match");
+					LogPrint (eLogError, "LeaseSet2: Blinded public key doesn't match");
 					return;
 				}
 			}
@@ -569,7 +569,7 @@ namespace data
 				ReadFromBuffer (innerPlainText.data () + 1, lenInnerPlaintext - 1);
 			}
 			else
-				LogPrint (eLogError, "LeaseSet2: unexpected LeaseSet type ", (int)innerPlainText[0], " inside encrypted LeaseSet");
+				LogPrint (eLogError, "LeaseSet2: Unexpected LeaseSet type ", (int)innerPlainText[0], " inside encrypted LeaseSet");
 		}
 		else
 		{
@@ -653,7 +653,7 @@ namespace data
 					LogPrint (eLogError, "LeaseSet2: Can't calculate authCookie: psk_i is not provided");
 			}
 			else
-				LogPrint (eLogError, "LeaseSet2: unknown client auth type ", (int)flag);
+				LogPrint (eLogError, "LeaseSet2: Unknown client auth type ", (int)flag);
 		}
 		return offset - 1;
 	}
@@ -768,7 +768,7 @@ namespace data
 		size_t size = ident.GetFullLen ();
 		if (size > sz)
 		{
-			LogPrint (eLogError, "LeaseSet: identity length ", size, " exceeds buffer size ", sz);
+			LogPrint (eLogError, "LeaseSet: Identity length ", size, " exceeds buffer size ", sz);
 			return false;
 		}
 		// encryption key
@@ -779,7 +779,7 @@ namespace data
 		++size;
 		if (!numLeases || numLeases > MAX_NUM_LEASES)
 		{
-			LogPrint (eLogError, "LeaseSet: incorrect number of leases", (int)numLeases);
+			LogPrint (eLogError, "LeaseSet: Incorrect number of leases", (int)numLeases);
 			return false;
 		}
 		const uint8_t * leases = ptr + size;
@@ -984,7 +984,7 @@ namespace data
 			m_StoreHash = blindedKey->GetStoreHash ();
 		}
 		else
-			LogPrint (eLogError, "LeaseSet2: couldn't extract inner layer");
+			LogPrint (eLogError, "LeaseSet2: Couldn't extract inner layer");
 	}
 
 	void LocalEncryptedLeaseSet2::CreateClientAuthData (const uint8_t * subcredential, int authType, std::shared_ptr<std::vector<AuthPublicKey> > authKeys, const uint8_t * authCookie, uint8_t * authData) const

libi2pd/LeaseSet.h

@@ -128,8 +128,8 @@ namespace data
 	};
 
 	/**
-			validate lease set buffer signature and extract expiration timestamp
+	 * validate lease set buffer signature and extract expiration timestamp
-			@returns true if the leaseset is well formed and signature is valid
+	 * @returns true if the leaseset is well formed and signature is valid
 	 */
 	bool LeaseSetBufferValidate(const uint8_t * ptr, size_t sz, uint64_t & expires);
 

libi2pd/Log.cpp

@@ -129,10 +129,10 @@ namespace log {
 		else if (level == "info")  { m_MinLevel = eLogInfo;  }
 		else if (level == "debug") { m_MinLevel = eLogDebug; }
 		else {
-			LogPrint(eLogError, "Log: unknown loglevel: ", level);
+			LogPrint(eLogError, "Log: Unknown loglevel: ", level);
 			return;
 		}
-		LogPrint(eLogInfo, "Log: min messages level set to ", level);
+		LogPrint(eLogInfo, "Log: Logging level set to ", level);
 	}
 
 	const char * Log::TimeAsString(std::time_t t) {
@@ -212,7 +212,7 @@ namespace log {
 			m_LogStream = os;
 			return;
 		}
-		LogPrint(eLogError, "Log: can't open file ", path);
+		LogPrint(eLogError, "Log: Can't open file ", path);
 	}
 
 	void Log::SendTo (std::shared_ptr<std::ostream> os) {

libi2pd/NTCP2.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -23,7 +23,7 @@
 #include "HTTP.h"
 #include "util.h"
 
-#ifdef __linux__
+#if defined(__linux__) && !defined(_NETINET_IN_H)
 	#include <linux/in6.h>
 #endif
 
@@ -59,7 +59,7 @@ namespace transport
 
 	void NTCP2Establisher::KDF1Bob ()
 	{
-		KeyDerivationFunction1 (GetRemotePub (), i2p::context.GetStaticKeys (), i2p::context.GetNTCP2StaticPublicKey (), GetRemotePub ());
+		KeyDerivationFunction1 (GetRemotePub (), i2p::context.GetNTCP2StaticKeys (), i2p::context.GetNTCP2StaticPublicKey (), GetRemotePub ());
 	}
 
 	void NTCP2Establisher::KeyDerivationFunction2 (const uint8_t * sessionRequest, size_t sessionRequestLen, const uint8_t * epub)
@@ -91,7 +91,7 @@ namespace transport
 	void NTCP2Establisher::KDF3Alice ()
 	{
 		uint8_t inputKeyMaterial[32];
-		i2p::context.GetStaticKeys ().Agree (GetRemotePub (), inputKeyMaterial);
+		i2p::context.GetNTCP2StaticKeys ().Agree (GetRemotePub (), inputKeyMaterial);
 		MixKey (inputKeyMaterial);
 	}
 
@@ -195,8 +195,9 @@ namespace transport
 		MixHash (m3p2, m3p2Len); //h = SHA256(h || ciphertext)
 	}
 
-	bool NTCP2Establisher::ProcessSessionRequestMessage (uint16_t& paddingLen)
+	bool NTCP2Establisher::ProcessSessionRequestMessage (uint16_t& paddingLen, bool& clockSkew)
 	{
+		clockSkew = false;
 		// decrypt X
 		i2p::crypto::CBCDecryption decryption;
 		decryption.SetKey (i2p::context.GetIdentHash ());
@@ -232,7 +233,8 @@ namespace transport
 				if (tsA < ts - NTCP2_CLOCK_SKEW || tsA > ts + NTCP2_CLOCK_SKEW)
 				{
 					LogPrint (eLogWarning, "NTCP2: SessionRequest time difference ", (int)(ts - tsA), " exceeds clock skew");
-					return false;
+					clockSkew = true;
+					// we send SessionCreate to let Alice know our time and then close session
 				}
 			}
 			else
@@ -323,9 +325,10 @@ namespace transport
 		m_Server (server), m_Socket (m_Server.GetService ()),
 		m_IsEstablished (false), m_IsTerminated (false),
 		m_Establisher (new NTCP2Establisher),
-		m_SendSipKey (nullptr), m_ReceiveSipKey (nullptr),
 #if OPENSSL_SIPHASH
 		m_SendMDCtx(nullptr), m_ReceiveMDCtx (nullptr),
+#else
+		m_SendSipKey (nullptr), m_ReceiveSipKey (nullptr),
 #endif
 		m_NextReceivedLen (0), m_NextReceivedBuffer (nullptr), m_NextSendBuffer (nullptr),
 		m_NextReceivedBufferSize (0), m_ReceiveSequenceNumber (0), m_SendSequenceNumber (0),
@@ -336,8 +339,8 @@ namespace transport
 			m_Establisher->m_RemoteIdentHash = GetRemoteIdentity ()->GetIdentHash ();
 			if (addr)
 			{
-				memcpy (m_Establisher->m_RemoteStaticKey, addr->ntcp2->staticKey, 32);
+				memcpy (m_Establisher->m_RemoteStaticKey, addr->s, 32);
-				memcpy (m_Establisher->m_IV, addr->ntcp2->iv, 16);
+				memcpy (m_Establisher->m_IV, addr->i, 16);
 				m_RemoteEndpoint = boost::asio::ip::tcp::endpoint (addr->host, addr->port);
 			}
 			else
@@ -352,8 +355,6 @@ namespace transport
 		delete[] m_NextReceivedBuffer;
 		delete[] m_NextSendBuffer;
 #if OPENSSL_SIPHASH
-		if (m_SendSipKey) EVP_PKEY_free (m_SendSipKey);
-		if (m_ReceiveSipKey) EVP_PKEY_free (m_ReceiveSipKey);
 		if (m_SendMDCtx) EVP_MD_CTX_destroy (m_SendMDCtx);
 		if (m_ReceiveMDCtx) EVP_MD_CTX_destroy (m_ReceiveMDCtx);
 #endif
@@ -373,7 +374,7 @@ namespace transport
 			transports.PeerDisconnected (shared_from_this ());
 			m_Server.RemoveNTCP2Session (shared_from_this ());
 			m_SendQueue.clear ();
-			LogPrint (eLogDebug, "NTCP2: session terminated");
+			LogPrint (eLogDebug, "NTCP2: Session terminated");
 		}
 	}
 
@@ -454,7 +455,7 @@ namespace transport
 		(void) bytes_transferred;
 		if (ecode)
 		{
-			LogPrint (eLogWarning, "NTCP2: couldn't send SessionRequest message: ", ecode.message ());
+			LogPrint (eLogWarning, "NTCP2: Couldn't send SessionRequest message: ", ecode.message ());
 			Terminate ();
 		}
 		else
@@ -477,9 +478,16 @@ namespace transport
 		{
 			LogPrint (eLogDebug, "NTCP2: SessionRequest received ", bytes_transferred);
 			uint16_t paddingLen = 0;
-			if (m_Establisher->ProcessSessionRequestMessage (paddingLen))
+			bool clockSkew = false;
+			if (m_Establisher->ProcessSessionRequestMessage (paddingLen, clockSkew))
 			{
-				if (paddingLen > 0)
+				if (clockSkew)
+				{
+					// we don't care about padding, send SessionCreated and close session
+					SendSessionCreated ();
+					m_Server.GetService ().post (std::bind (&NTCP2Session::Terminate, shared_from_this ()));
+				}
+				else if (paddingLen > 0)
 				{
 					if (paddingLen <= NTCP2_SESSION_REQUEST_MAX_SIZE - 64) // session request is 287 bytes max
 					{
@@ -584,7 +592,7 @@ namespace transport
 		(void) bytes_transferred;
 		if (ecode)
 		{
-			LogPrint (eLogWarning, "NTCP2: couldn't send SessionConfirmed message: ", ecode.message ());
+			LogPrint (eLogWarning, "NTCP2: Couldn't send SessionConfirmed message: ", ecode.message ());
 			Terminate ();
 		}
 		else
@@ -611,7 +619,7 @@ namespace transport
 		(void) bytes_transferred;
 		if (ecode)
 		{
-			LogPrint (eLogWarning, "NTCP2: couldn't send SessionCreated message: ", ecode.message ());
+			LogPrint (eLogWarning, "NTCP2: Couldn't send SessionCreated message: ", ecode.message ());
 			Terminate ();
 		}
 		else
@@ -654,7 +662,7 @@ namespace transport
 					// process RI
 					if (buf[0] != eNTCP2BlkRouterInfo)
 					{
-						LogPrint (eLogWarning, "NTCP2: unexpected block ", (int)buf[0], " in SessionConfirmed");
+						LogPrint (eLogWarning, "NTCP2: Unexpected block ", (int)buf[0], " in SessionConfirmed");
 						Terminate ();
 						return;
 					}
@@ -682,7 +690,7 @@ namespace transport
 					auto addr = ri.GetNTCP2AddressWithStaticKey (m_Establisher->m_RemoteStaticKey);
 					if (!addr)
 					{
-						LogPrint (eLogError, "NTCP2: No NTCP2 address wth static key found in SessionConfirmed");
+						LogPrint (eLogError, "NTCP2: No NTCP2 address with static key found in SessionConfirmed");
 						Terminate ();
 						return;
 					}
@@ -711,17 +719,19 @@ namespace transport
 	void NTCP2Session::SetSipKeys (const uint8_t * sendSipKey, const uint8_t * receiveSipKey)
 	{
 #if OPENSSL_SIPHASH
-		m_SendSipKey = EVP_PKEY_new_raw_private_key (EVP_PKEY_SIPHASH, nullptr, sendSipKey, 16);
+		EVP_PKEY * sipKey = EVP_PKEY_new_raw_private_key (EVP_PKEY_SIPHASH, nullptr, sendSipKey, 16);
 		m_SendMDCtx = EVP_MD_CTX_create ();
 		EVP_PKEY_CTX *ctx = nullptr;
-		EVP_DigestSignInit (m_SendMDCtx, &ctx, nullptr, nullptr, m_SendSipKey);
+		EVP_DigestSignInit (m_SendMDCtx, &ctx, nullptr, nullptr, sipKey);
 		EVP_PKEY_CTX_ctrl (ctx, -1, EVP_PKEY_OP_SIGNCTX, EVP_PKEY_CTRL_SET_DIGEST_SIZE, 8, nullptr);
+		EVP_PKEY_free (sipKey);
 
-		m_ReceiveSipKey = EVP_PKEY_new_raw_private_key (EVP_PKEY_SIPHASH, nullptr, receiveSipKey, 16);
+		sipKey = EVP_PKEY_new_raw_private_key (EVP_PKEY_SIPHASH, nullptr, receiveSipKey, 16);
 		m_ReceiveMDCtx = EVP_MD_CTX_create ();
 		ctx = nullptr;
-		EVP_DigestSignInit (m_ReceiveMDCtx, &ctx, NULL, NULL, m_ReceiveSipKey);
+		EVP_DigestSignInit (m_ReceiveMDCtx, &ctx, NULL, NULL, sipKey);
 		EVP_PKEY_CTX_ctrl (ctx, -1, EVP_PKEY_OP_SIGNCTX, EVP_PKEY_CTRL_SET_DIGEST_SIZE, 8, nullptr);
+		EVP_PKEY_free (sipKey);
 #else
 		m_SendSipKey = sendSipKey;
 		m_ReceiveSipKey = receiveSipKey;
@@ -758,7 +768,7 @@ namespace transport
 		if (ecode)
 		{
 			if (ecode != boost::asio::error::operation_aborted)
-				LogPrint (eLogWarning, "NTCP2: receive length read error: ", ecode.message ());
+				LogPrint (eLogWarning, "NTCP2: Receive length read error: ", ecode.message ());
 			Terminate ();
 		}
 		else
@@ -773,7 +783,7 @@ namespace transport
 #endif
 			// m_NextReceivedLen comes from the network in BigEndian
 			m_NextReceivedLen = be16toh (m_NextReceivedLen) ^ le16toh (m_ReceiveIV.key);
-			LogPrint (eLogDebug, "NTCP2: received length ", m_NextReceivedLen);
+			LogPrint (eLogDebug, "NTCP2: Received length ", m_NextReceivedLen);
 			if (m_NextReceivedLen >= 16)
 			{
 				CreateNextReceivedBuffer (m_NextReceivedLen);
@@ -790,7 +800,7 @@ namespace transport
 			}
 			else
 			{
-				LogPrint (eLogError, "NTCP2: received length ", m_NextReceivedLen, " is too short");
+				LogPrint (eLogError, "NTCP2: Received length ", m_NextReceivedLen, " is too short");
 				Terminate ();
 			}
 		}
@@ -813,7 +823,7 @@ namespace transport
 		if (ecode)
 		{
 			if (ecode != boost::asio::error::operation_aborted)
-				LogPrint (eLogWarning, "NTCP2: receive read error: ", ecode.message ());
+				LogPrint (eLogWarning, "NTCP2: Receive read error: ", ecode.message ());
 			Terminate ();
 		}
 		else
@@ -825,7 +835,7 @@ namespace transport
 			CreateNonce (m_ReceiveSequenceNumber, nonce); m_ReceiveSequenceNumber++;
 			if (i2p::crypto::AEADChaCha20Poly1305 (m_NextReceivedBuffer, m_NextReceivedLen-16, nullptr, 0, m_ReceiveKey, nonce, m_NextReceivedBuffer, m_NextReceivedLen, false))
 			{
-				LogPrint (eLogDebug, "NTCP2: received message decrypted");
+				LogPrint (eLogDebug, "NTCP2: Received message decrypted");
 				ProcessNextFrame (m_NextReceivedBuffer, m_NextReceivedLen-16);
 				m_IsReceiving = false;
 				ReceiveLength ();
@@ -856,10 +866,10 @@ namespace transport
 			switch (blk)
 			{
 				case eNTCP2BlkDateTime:
-					LogPrint (eLogDebug, "NTCP2: datetime");
+					LogPrint (eLogDebug, "NTCP2: Datetime");
 				break;
 				case eNTCP2BlkOptions:
-					LogPrint (eLogDebug, "NTCP2: options");
+					LogPrint (eLogDebug, "NTCP2: Options");
 				break;
 				case eNTCP2BlkRouterInfo:
 				{
@@ -875,25 +885,29 @@ namespace transport
 						LogPrint (eLogError, "NTCP2: I2NP block is too long ", size);
 						break;
 					}
-					auto nextMsg = NewI2NPMessage (size);
+					auto nextMsg = (frame[offset] == eI2NPTunnelData) ? NewI2NPTunnelMessage (true) : NewI2NPMessage (size);
-					nextMsg->Align (12); // for possible tunnel msg
 					nextMsg->len = nextMsg->offset + size + 7; // 7 more bytes for full I2NP header
+					if (nextMsg->len <= nextMsg->maxLen)
+					{
 						memcpy (nextMsg->GetNTCP2Header (), frame + offset, size);
 						nextMsg->FromNTCP2 ();
-					m_Handler.PutNextMessage (nextMsg);
+						m_Handler.PutNextMessage (std::move (nextMsg));
+					}
+					else
+						LogPrint (eLogError, "NTCP2: I2NP block is too long for I2NP message");
 					break;
 				}
 				case eNTCP2BlkTermination:
 					if (size >= 9)
 					{
-						LogPrint (eLogDebug, "NTCP2: termination. reason=", (int)(frame[offset + 8]));
+						LogPrint (eLogDebug, "NTCP2: Termination. reason=", (int)(frame[offset + 8]));
 						Terminate ();
 					}
 					else
 						LogPrint (eLogWarning, "NTCP2: Unexpected termination block size ", size);
 				break;
 				case eNTCP2BlkPadding:
-					LogPrint (eLogDebug, "NTCP2: padding");
+					LogPrint (eLogDebug, "NTCP2: Padding");
 				break;
 				default:
 					LogPrint (eLogWarning, "NTCP2: Unknown block type ", (int)blk);
@@ -915,7 +929,7 @@ namespace transport
 #endif
 		// length must be in BigEndian
 		htobe16buf (lengthBuf, frameLen ^ le16toh (m_SendIV.key));
-		LogPrint (eLogDebug, "NTCP2: sent length ", frameLen);
+		LogPrint (eLogDebug, "NTCP2: Sent length ", frameLen);
 	}
 
 	void NTCP2Session::SendI2NPMsgs (std::vector<std::shared_ptr<I2NPMessage> >& msgs)
@@ -968,7 +982,7 @@ namespace transport
 		{
 			// allocate send buffer
 			m_NextSendBuffer = new uint8_t[287]; // can be any size > 16, we just allocate 287 frequently
-			// crate padding block
+			// create padding block
 			auto paddingLen = CreatePaddingBlock (totalLen, m_NextSendBuffer, 287 - 16);
 			// and padding block to encrypt and send
 			if (paddingLen)
@@ -1110,7 +1124,13 @@ namespace transport
 
 	void NTCP2Session::SendTermination (NTCP2TerminationReason reason)
 	{
-		if (!m_SendKey || !m_SendSipKey) return;
+		if (!m_SendKey ||
+#if OPENSSL_SIPHASH
+			!m_SendMDCtx
+#else
+			!m_SendSipKey
+#endif
+		) return;
 		m_NextSendBuffer = new uint8_t[49]; // 49 = 12 bytes message + 16 bytes MAC + 2 bytes size + up to 19 padding block
 		// termination block
 		m_NextSendBuffer[2] = eNTCP2BlkTermination;
@@ -1143,15 +1163,15 @@ namespace transport
 			SendQueue ();
 		else if (m_SendQueue.size () > NTCP2_MAX_OUTGOING_QUEUE_SIZE)
 		{
-			LogPrint (eLogWarning, "NTCP2: outgoing messages queue size to ",
+			LogPrint (eLogWarning, "NTCP2: Outgoing messages queue size to ",
 				GetIdentHashBase64(), " exceeds ", NTCP2_MAX_OUTGOING_QUEUE_SIZE);
 			Terminate ();
 		}
 	}
 
-	void NTCP2Session::SendLocalRouterInfo ()
+	void NTCP2Session::SendLocalRouterInfo (bool update)
 	{
-		if (!IsOutgoing ()) // we send it in SessionConfirmed
+		if (update || !IsOutgoing ()) // we send it in SessionConfirmed for ougoing session
 			m_Server.GetService ().post (std::bind (&NTCP2Session::SendRouterInfo, shared_from_this ()));
 	}
 
@@ -1223,7 +1243,7 @@ namespace transport
 							m_NTCP2V6Acceptor->open (boost::asio::ip::tcp::v6());
 							m_NTCP2V6Acceptor->set_option (boost::asio::ip::v6_only (true));
 							m_NTCP2V6Acceptor->set_option (boost::asio::socket_base::reuse_address (true));
-#ifdef __linux__
+#if defined(__linux__) && !defined(_NETINET_IN_H)
 							if (!m_Address6 && !m_YggdrasilAddress) // only if not binded to address
 							{
 								// Set preference to use public IPv6 address -- tested on linux, not works on windows, and not tested on others
@@ -1249,7 +1269,7 @@ namespace transport
 						}
 						catch ( std::exception & ex )
 						{
-							LogPrint(eLogError, "NTCP2: failed to bind to v6 port ", address->port, ": ", ex.what());
+							LogPrint(eLogError, "NTCP2: Failed to bind to v6 port ", address->port, ": ", ex.what());
 							ThrowFatal ("Unable to start IPv6 NTCP2 transport at port ", address->port, ": ", ex.what ());
 							continue;
 						}
@@ -1290,7 +1310,7 @@ namespace transport
 		auto it = m_NTCP2Sessions.find (ident);
 		if (it != m_NTCP2Sessions.end ())
 		{
-			LogPrint (eLogWarning, "NTCP2: session to ", ident.ToBase64 (), " already exists");
+			LogPrint (eLogWarning, "NTCP2: Session to ", ident.ToBase64 (), " already exists");
 			if (incoming)
 				// replace by new session
 				it->second->Terminate ();
@@ -1359,7 +1379,7 @@ namespace transport
 						boost::system::error_code ec;
 						conn->GetSocket ().bind (*localAddress, ec);
 						if (ec)
-							LogPrint (eLogError, "NTCP2: can't bind to ", localAddress->address ().to_string (), ": ", ec.message ());
+							LogPrint (eLogError, "NTCP2: Can't bind to ", localAddress->address ().to_string (), ": ", ec.message ());
 					}
 					conn->GetSocket ().async_connect (conn->GetRemoteEndpoint (), std::bind (&NTCP2Server::HandleConnect, this, std::placeholders::_1, conn, timer));
 				}
@@ -1528,7 +1548,7 @@ namespace transport
 	{
 		if (ecode)
 		{
-			LogPrint(eLogWarning, "NTCP2: failed to connect to proxy ", ecode.message());
+			LogPrint(eLogWarning, "NTCP2: Failed to connect to proxy ", ecode.message());
 			timer->cancel();
 			conn->Terminate();
 			return;
@@ -1545,7 +1565,7 @@ namespace transport
 						(void) transferred;
 						if(ec)
 						{
-							LogPrint(eLogWarning, "NTCP2: socks5 write error ", ec.message());
+							LogPrint(eLogWarning, "NTCP2: SOCKS5 write error ", ec.message());
 						}
 					});
 				auto readbuff = std::make_shared<std::vector<uint8_t> >(2);
@@ -1554,7 +1574,7 @@ namespace transport
 					{
 						if(ec)
 						{
-							LogPrint(eLogError, "NTCP2: socks5 read error ", ec.message());
+							LogPrint(eLogError, "NTCP2: SOCKS5 read error ", ec.message());
 							timer->cancel();
 							conn->Terminate();
 							return;
@@ -1568,14 +1588,14 @@ namespace transport
 							}
 							else if ((*readbuff)[1] == 0xff)
 							{
-								LogPrint(eLogError, "NTCP2: socks5 proxy rejected authentication");
+								LogPrint(eLogError, "NTCP2: SOCKS5 proxy rejected authentication");
 								timer->cancel();
 								conn->Terminate();
 								return;
 							}
 							LogPrint(eLogError, "NTCP2:", (int)(*readbuff)[1]);
 						}
-						LogPrint(eLogError, "NTCP2: socks5 server gave invalid response");
+						LogPrint(eLogError, "NTCP2: SOCKS5 server gave invalid response");
 						timer->cancel();
 						conn->Terminate();
 					});
@@ -1603,7 +1623,7 @@ namespace transport
 					{
 						(void) transferred;
 						if(ec)
-							LogPrint(eLogError, "NTCP2: http proxy write error ", ec.message());
+							LogPrint(eLogError, "NTCP2: HTTP proxy write error ", ec.message());
 					});
 
 				boost::asio::streambuf * readbuff = new boost::asio::streambuf;
@@ -1612,7 +1632,7 @@ namespace transport
 					{
 						if(ec)
 						{
-							LogPrint(eLogError, "NTCP2: http proxy read error ", ec.message());
+							LogPrint(eLogError, "NTCP2: HTTP proxy read error ", ec.message());
 							timer->cancel();
 							conn->Terminate();
 						}
@@ -1630,10 +1650,10 @@ namespace transport
 									return;
 								}
 								else
-									LogPrint(eLogError, "NTCP2: http proxy rejected request ", res.code);
+									LogPrint(eLogError, "NTCP2: HTTP proxy rejected request ", res.code);
 							}
 							else
-								LogPrint(eLogError, "NTCP2: http proxy gave malformed response");
+								LogPrint(eLogError, "NTCP2: HTTP proxy gave malformed response");
 							timer->cancel();
 							conn->Terminate();
 							delete readbuff;
@@ -1642,7 +1662,7 @@ namespace transport
 				break;
 			}
 			default:
-				LogPrint(eLogError, "NTCP2: unknown proxy type, invalid state");
+				LogPrint(eLogError, "NTCP2: Unknown proxy type, invalid state");
 		}
 	}
 
@@ -1683,7 +1703,7 @@ namespace transport
 			{
 				if(ec)
 				{
-					LogPrint(eLogError, "NTCP2: failed to write handshake to socks proxy ", ec.message());
+					LogPrint(eLogError, "NTCP2: Failed to write handshake to socks proxy ", ec.message());
 					return;
 				}
 			});
@@ -1693,7 +1713,7 @@ namespace transport
 			{
 				if(e)
 				{
-					LogPrint(eLogError, "NTCP2: socks proxy read error ", e.message());
+					LogPrint(eLogError, "NTCP2: SOCKS proxy read error ", e.message());
 				}
 				else if(transferred == sz)
 				{

libi2pd/NTCP2.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -107,7 +107,7 @@ namespace transport
 		void CreateSessionConfirmedMessagePart1 (const uint8_t * nonce);
 		void CreateSessionConfirmedMessagePart2 (const uint8_t * nonce);
 
-		bool ProcessSessionRequestMessage (uint16_t& paddingLen);
+		bool ProcessSessionRequestMessage (uint16_t& paddingLen, bool& clockSkew);
 		bool ProcessSessionCreatedMessage (uint16_t& paddingLen);
 		bool ProcessSessionConfirmedMessagePart1 (const uint8_t * nonce);
 		bool ProcessSessionConfirmedMessagePart2 (const uint8_t * nonce, uint8_t * m3p2Buf);
@@ -148,7 +148,7 @@ namespace transport
 			void ClientLogin (); // Alice
 			void ServerLogin (); // Bob
 
-			void SendLocalRouterInfo (); // after handshake
+			void SendLocalRouterInfo (bool update); // after handshake or by update
 			void SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs);
 
 		private:
@@ -205,7 +205,6 @@ namespace transport
 			uint8_t m_Kab[32], m_Kba[32], m_Sipkeysab[32], m_Sipkeysba[32];
 			const uint8_t * m_SendKey, * m_ReceiveKey;
 #if OPENSSL_SIPHASH
-			EVP_PKEY * m_SendSipKey, * m_ReceiveSipKey;
 			EVP_MD_CTX * m_SendMDCtx, * m_ReceiveMDCtx;
 #else
 			const uint8_t * m_SendSipKey, * m_ReceiveSipKey;

libi2pd/NetDb.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -66,8 +66,8 @@ namespace data
 		if (it != m_RouterInfos.end ())
 		{
 			// remove own router
-			m_RouterInfos.erase (it);
 			m_Floodfills.remove (it->second);
+			m_RouterInfos.erase (it);
 		}
 		// insert own router
 		m_RouterInfos.emplace (i2p::context.GetIdentHash (), i2p::context.GetSharedRouterInfo ());
@@ -107,7 +107,10 @@ namespace data
 	{
 		i2p::util::SetThreadName("NetDB");
 
-		uint32_t lastSave = 0, lastPublish = 0, lastExploratory = 0, lastManageRequest = 0, lastDestinationCleanup = 0;
+		uint64_t lastSave = 0, lastPublish = 0, lastExploratory = 0, lastManageRequest = 0, lastDestinationCleanup = 0;
+		uint64_t lastProfilesCleanup = i2p::util::GetSecondsSinceEpoch ();
+		int16_t profilesCleanupVariance = 0;
+
 		while (m_IsRunning)
 		{
 			try
@@ -118,7 +121,7 @@ namespace data
 					int numMsgs = 0;
 					while (msg)
 					{
-						LogPrint(eLogDebug, "NetDb: got request with type ", (int) msg->GetTypeID ());
+						LogPrint(eLogDebug, "NetDb: Got request with type ", (int) msg->GetTypeID ());
 						switch (msg->GetTypeID ())
 						{
 							case eI2NPDatabaseStore:
@@ -138,7 +141,7 @@ namespace data
 								HandleNTCP2RouterInfoMsg (msg);
 							break;
 							default: // WTF?
-								LogPrint (eLogError, "NetDb: unexpected message type ", (int) msg->GetTypeID ());
+								LogPrint (eLogError, "NetDb: Unexpected message type ", (int) msg->GetTypeID ());
 								//i2p::HandleI2NPMessage (msg);
 						}
 						if (numMsgs > 100) break;
@@ -155,6 +158,7 @@ namespace data
 					m_Requests.ManageRequests ();
 					lastManageRequest = ts;
 				}
+
 				if (ts - lastSave >= 60) // save routers, manage leasesets and validate subscriptions every minute
 				{
 					if (lastSave)
@@ -164,12 +168,20 @@ namespace data
 					}
 					lastSave = ts;
 				}
+
 				if (ts - lastDestinationCleanup >= i2p::garlic::INCOMING_TAGS_EXPIRATION_TIMEOUT)
 				{
 					i2p::context.CleanupDestination ();
 					lastDestinationCleanup = ts;
 				}
 
+				if (ts - lastProfilesCleanup >= (uint64_t)(i2p::data::PEER_PROFILE_AUTOCLEAN_TIMEOUT + profilesCleanupVariance))
+				{
+					DeleteObsoleteProfiles ();
+					lastProfilesCleanup = ts;
+					profilesCleanupVariance = (rand () % (2 * i2p::data::PEER_PROFILE_AUTOCLEAN_VARIANCE) - i2p::data::PEER_PROFILE_AUTOCLEAN_VARIANCE);
+				}
+
 				// publish
 				if (!m_HiddenMode && i2p::transport::transports.IsOnline ())
 				{
@@ -195,6 +207,7 @@ namespace data
 						lastPublish = ts;
 					}
 				}
+
 				if (ts - lastExploratory >= 30) // exploratory every 30 seconds
 				{
 					auto numRouters = m_RouterInfos.size ();
@@ -216,7 +229,7 @@ namespace data
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "NetDb: runtime exception: ", ex.what ());
+				LogPrint (eLogError, "NetDb: Runtime exception: ", ex.what ());
 			}
 		}
 	}
@@ -343,7 +356,7 @@ namespace data
 				updated = true;
 			}
 			else
-				LogPrint (eLogError, "NetDb: new LeaseSet validation failed: ", ident.ToBase32());
+				LogPrint (eLogError, "NetDb: New LeaseSet validation failed: ", ident.ToBase32());
 		}
 		return updated;
 	}
@@ -373,7 +386,7 @@ namespace data
 			}
 		}
 		else
-			LogPrint (eLogError, "NetDb: new LeaseSet2 validation failed: ", ident.ToBase32());
+			LogPrint (eLogError, "NetDb: New LeaseSet2 validation failed: ", ident.ToBase32());
 		return false;
 	}
 
@@ -430,7 +443,7 @@ namespace data
 				int riLen = ri->GetBufferLen();
 				if(!i2p::data::netdb.AddRouterInfo(riData, riLen)) {
 					// bad router info
-					LogPrint(eLogError, "NetDb: bad router info");
+					LogPrint(eLogError, "NetDb: Bad router info");
 					return;
 				}
 				m_FloodfillBootstrap = ri;
@@ -445,7 +458,7 @@ namespace data
 
 	void NetDb::ReseedFromFloodfill(const RouterInfo & ri, int numRouters, int numFloodfills)
 	{
-		LogPrint(eLogInfo, "NetDB: reseeding from floodfill ", ri.GetIdentHashBase64());
+		LogPrint(eLogInfo, "NetDB: Reseeding from floodfill ", ri.GetIdentHashBase64());
 		std::vector<std::shared_ptr<i2p::I2NPMessage> > requests;
 
 		i2p::data::IdentHash ourIdent = i2p::context.GetIdentHash();
@@ -472,13 +485,13 @@ namespace data
 		i2p::transport::transports.SendMessages(ih, requests);
 	}
 
-	bool NetDb::LoadRouterInfo (const std::string & path)
+	bool NetDb::LoadRouterInfo (const std::string& path, uint64_t ts)
 	{
 		auto r = std::make_shared<RouterInfo>(path);
-		if (r->GetRouterIdentity () && !r->IsUnreachable () && r->HasValidAddresses ())
+		if (r->GetRouterIdentity () && !r->IsUnreachable () && r->HasValidAddresses () &&
+			ts < r->GetTimestamp () + 24*60*60*NETDB_MAX_OFFLINE_EXPIRATION_TIMEOUT*1000LL)
 		{
 			r->DeleteBuffer ();
-			r->ClearProperties (); // properties are not used for regular routers
 			if (m_RouterInfos.emplace (r->GetIdentHash (), r).second)
 			{
 				if (r->IsFloodfill () && r->IsEligibleFloodfill ())
@@ -487,7 +500,7 @@ namespace data
 		}
 		else
 		{
-			LogPrint(eLogWarning, "NetDb: RI from ", path, " is invalid. Delete");
+			LogPrint(eLogWarning, "NetDb: RI from ", path, " is invalid or too old. Delete");
 			i2p::fs::Remove(path);
 		}
 		return true;
@@ -568,11 +581,11 @@ namespace data
 		m_RouterInfos.clear ();
 		m_Floodfills.clear ();
 
-		m_LastLoad = i2p::util::GetSecondsSinceEpoch();
+		uint64_t ts = i2p::util::GetMillisecondsSinceEpoch();
 		std::vector<std::string> files;
 		m_Storage.Traverse(files);
 		for (const auto& path : files)
-			LoadRouterInfo(path);
+			LoadRouterInfo (path, ts);
 
 		LogPrint (eLogInfo, "NetDb: ", m_RouterInfos.size(), " routers loaded (", m_Floodfills.size (), " floodfils)");
 	}
@@ -596,10 +609,9 @@ namespace data
 		{
 			if (it.second == own) continue; // skip own
 			std::string ident = it.second->GetIdentHashBase64();
-			std::string path  = m_Storage.Path(ident);
 			if (it.second->IsUpdated ())
 			{
-				it.second->SaveToFile (path);
+				it.second->SaveToFile (m_Storage.Path(ident));
 				it.second->SetUpdated (false);
 				it.second->SetUnreachable (false);
 				it.second->DeleteBuffer ();
@@ -630,11 +642,13 @@ namespace data
 			}
 		} // m_RouterInfos iteration
 
+		m_RouterInfoBuffersPool.CleanUpMt ();
+
 		if (updatedCount > 0)
-			LogPrint (eLogInfo, "NetDb: saved ", updatedCount, " new/updated routers");
+			LogPrint (eLogInfo, "NetDb: Saved ", updatedCount, " new/updated routers");
 		if (deletedCount > 0)
 		{
-			LogPrint (eLogInfo, "NetDb: deleting ", deletedCount, " unreachable routers");
+			LogPrint (eLogInfo, "NetDb: Deleting ", deletedCount, " unreachable routers");
 			// clean up RouterInfos table
 			{
 				std::unique_lock<std::mutex> l(m_RouterInfosMutex);
@@ -666,7 +680,7 @@ namespace data
 		auto dest = m_Requests.CreateRequest (destination, false, requestComplete); // non-exploratory
 		if (!dest)
 		{
-			LogPrint (eLogWarning, "NetDb: destination ", destination.ToBase64(), " is requested already");
+			LogPrint (eLogWarning, "NetDb: Destination ", destination.ToBase64(), " is requested already");
 			return;
 		}
 
@@ -681,8 +695,8 @@ namespace data
 			else
 			{
 				auto pool = i2p::tunnel::tunnels.GetExploratoryPool ();
-				auto outbound = pool ? pool->GetNextOutboundTunnel () : nullptr;
+				auto outbound = pool ? pool->GetNextOutboundTunnel (nullptr, floodfill->GetCompatibleTransports (false)) : nullptr;
-				auto inbound = pool ? pool->GetNextInboundTunnel () : nullptr;
+				auto inbound = pool ? pool->GetNextInboundTunnel (nullptr, floodfill->GetCompatibleTransports (true)) : nullptr;
 				if (outbound &&	inbound)
 					outbound->SendTunnelDataMsg (floodfill->GetIdentHash (), 0, dest->CreateRequestMessage (floodfill, inbound));
 				else
@@ -705,10 +719,10 @@ namespace data
 		auto dest = m_Requests.CreateRequest (destination, exploritory, requestComplete); // non-exploratory
 		if (!dest)
 		{
-			LogPrint (eLogWarning, "NetDb: destination ", destination.ToBase64(), " is requested already");
+			LogPrint (eLogWarning, "NetDb: Destination ", destination.ToBase64(), " is requested already");
 			return;
 		}
-		LogPrint(eLogInfo, "NetDb: destination ", destination.ToBase64(), " being requested directly from ", from.ToBase64());
+		LogPrint(eLogInfo, "NetDb: Destination ", destination.ToBase64(), " being requested directly from ", from.ToBase64());
 		// direct
 		transports.SendMessage (from, dest->CreateRequestMessage (nullptr, nullptr));
 	}
@@ -732,7 +746,7 @@ namespace data
 		IdentHash ident (buf + DATABASE_STORE_KEY_OFFSET);
 		if (ident.IsZero ())
 		{
-			LogPrint (eLogDebug, "NetDb: database store with zero ident, dropped");
+			LogPrint (eLogDebug, "NetDb: Database store with zero ident, dropped");
 			return;
 		}
 		uint32_t replyToken = bufbe32toh (buf + DATABASE_STORE_REPLY_TOKEN_OFFSET);
@@ -751,14 +765,14 @@ namespace data
 				if (outbound)
 					outbound->SendTunnelDataMsg (buf + offset, tunnelID, deliveryStatus);
 				else
-					LogPrint (eLogWarning, "NetDb: no outbound tunnels for DatabaseStore reply found");
+					LogPrint (eLogWarning, "NetDb: No outbound tunnels for DatabaseStore reply found");
 			}
 			offset += 32;
 		}
 		// we must send reply back before this check
 		if (ident == i2p::context.GetIdentHash ())
 		{
-			LogPrint (eLogDebug, "NetDb: database store with own RouterInfo received, dropped");
+			LogPrint (eLogDebug, "NetDb: Database store with own RouterInfo received, dropped");
 			return;
 		}
 		size_t payloadOffset = offset;
@@ -771,24 +785,24 @@ namespace data
 			{
 				if (storeType == NETDB_STORE_TYPE_LEASESET) // 1
 				{
-					LogPrint (eLogDebug, "NetDb: store request: LeaseSet for ", ident.ToBase32());
+					LogPrint (eLogDebug, "NetDb: Store request: LeaseSet for ", ident.ToBase32());
 					updated = AddLeaseSet (ident, buf + offset, len - offset);
 				}
 				else // all others are considered as LeaseSet2
 				{
-					LogPrint (eLogDebug, "NetDb: store request: LeaseSet2 of type ", storeType, " for ", ident.ToBase32());
+					LogPrint (eLogDebug, "NetDb: Store request: LeaseSet2 of type ", storeType, " for ", ident.ToBase32());
 					updated = AddLeaseSet2 (ident, buf + offset, len - offset, storeType);
 				}
 			}
 		}
 		else // RouterInfo
 		{
-			LogPrint (eLogDebug, "NetDb: store request: RouterInfo");
+			LogPrint (eLogDebug, "NetDb: Store request: RouterInfo");
 			size_t size = bufbe16toh (buf + offset);
 			offset += 2;
 			if (size > MAX_RI_BUFFER_SIZE || size > len - offset)
 			{
-				LogPrint (eLogError, "NetDb: invalid RouterInfo length ", (int)size);
+				LogPrint (eLogError, "NetDb: Invalid RouterInfo length ", (int)size);
 				return;
 			}
 			uint8_t uncompressed[MAX_RI_BUFFER_SIZE];
@@ -797,7 +811,7 @@ namespace data
 				updated = AddRouterInfo (ident, uncompressed, uncompressedSize);
 			else
 			{
-				LogPrint (eLogInfo, "NetDb: decompression failed ", uncompressedSize);
+				LogPrint (eLogInfo, "NetDb: Decompression failed ", uncompressedSize);
 				return;
 			}
 		}
@@ -872,7 +886,7 @@ namespace data
 				m_Requests.RequestComplete (ident, nullptr);
 		}
 		else if(!m_FloodfillBootstrap)
-			LogPrint (eLogWarning, "NetDb: requested destination for ", key, " not found");
+			LogPrint (eLogWarning, "NetDb: Requested destination for ", key, " not found");
 
 		// try responses
 		for (int i = 0; i < num; i++)
@@ -887,7 +901,7 @@ namespace data
 			if (!r || i2p::util::GetMillisecondsSinceEpoch () > r->GetTimestamp () + 3600*1000LL)
 			{
 				// router with ident not found or too old (1 hour)
-				LogPrint (eLogDebug, "NetDb: found new/outdated router. Requesting RouterInfo ...");
+				LogPrint (eLogDebug, "NetDb: Found new/outdated router. Requesting RouterInfo...");
 				if(m_FloodfillBootstrap)
 					RequestDestinationFrom(router, m_FloodfillBootstrap->GetIdentHash(), true);
 				else
@@ -928,14 +942,14 @@ namespace data
 		excluded += 2;
 		if (numExcluded > 512)
 		{
-			LogPrint (eLogWarning, "NetDb: number of excluded peers", numExcluded, " exceeds 512");
+			LogPrint (eLogWarning, "NetDb: Number of excluded peers", numExcluded, " exceeds 512");
 			return;
 		}
 
 		std::shared_ptr<I2NPMessage> replyMsg;
 		if (lookupType == DATABASE_LOOKUP_TYPE_EXPLORATORY_LOOKUP)
 		{
-			LogPrint (eLogInfo, "NetDb: exploratory close to ", key, " ", numExcluded, " excluded");
+			LogPrint (eLogInfo, "NetDb: Exploratory close to ", key, " ", numExcluded, " excluded");
 			std::set<IdentHash> excludedRouters;
 			for (int i = 0; i < numExcluded; i++)
 			{
@@ -962,9 +976,8 @@ namespace data
 				auto router = FindRouter (ident);
 				if (router)
 				{
-					LogPrint (eLogDebug, "NetDb: requested RouterInfo ", key, " found");
+					LogPrint (eLogDebug, "NetDb: Requested RouterInfo ", key, " found");
-					if (!router->GetBuffer ())
+					PopulateRouterInfoBuffer (router);
-						router->LoadBuffer (m_Storage.Path (router->GetIdentHashBase64 ()));
 					if (router->GetBuffer ())
 						replyMsg = CreateDatabaseStoreMsg (router);
 				}
@@ -977,11 +990,11 @@ namespace data
 				if (!leaseSet)
 				{
 					// no lease set found
-					LogPrint(eLogDebug, "NetDb: requested LeaseSet not found for ", ident.ToBase32());
+					LogPrint(eLogDebug, "NetDb: Requested LeaseSet not found for ", ident.ToBase32());
 				}
 				else if (!leaseSet->IsExpired ()) // we don't send back our LeaseSets
 				{
-					LogPrint (eLogDebug, "NetDb: requested LeaseSet ", key, " found");
+					LogPrint (eLogDebug, "NetDb: Requested LeaseSet ", key, " found");
 					replyMsg = CreateDatabaseStoreMsg (ident, leaseSet);
 				}
 			}
@@ -1026,10 +1039,10 @@ namespace data
 							replyMsg = garlic.WrapSingleMessage (replyMsg);
 						}
 						if (!replyMsg)
-							LogPrint (eLogError, "NetDb: failed to wrap message");
+							LogPrint (eLogError, "NetDb: Failed to wrap message");
 					}
 					else
-						LogPrint(eLogWarning, "NetDb: encrypted reply requested but no tags provided");
+						LogPrint(eLogWarning, "NetDb: Encrypted reply requested but no tags provided");
 				}
 				auto exploratoryPool = i2p::tunnel::tunnels.GetExploratoryPool ();
 				auto outbound = exploratoryPool ? exploratoryPool->GetNextOutboundTunnel () : nullptr;
@@ -1063,14 +1076,14 @@ namespace data
 
 		uint8_t randomHash[32];
 		std::vector<i2p::tunnel::TunnelMessageBlock> msgs;
-		LogPrint (eLogInfo, "NetDb: exploring new ", numDestinations, " routers ...");
+		LogPrint (eLogInfo, "NetDb: Exploring new ", numDestinations, " routers ...");
 		for (int i = 0; i < numDestinations; i++)
 		{
 			RAND_bytes (randomHash, 32);
 			auto dest = m_Requests.CreateRequest (randomHash, true); // exploratory
 			if (!dest)
 			{
-				LogPrint (eLogWarning, "NetDb: exploratory destination is requested already");
+				LogPrint (eLogWarning, "NetDb: Exploratory destination is requested already");
 				return;
 			}
 			auto floodfill = GetClosestFloodfill (randomHash, dest->GetExcludedPeers ());
@@ -1129,8 +1142,8 @@ namespace data
 			{
 				// otherwise through exploratory
 				auto exploratoryPool = i2p::tunnel::tunnels.GetExploratoryPool ();
-				auto outbound = exploratoryPool ? exploratoryPool->GetNextOutboundTunnel () : nullptr;
+				auto outbound = exploratoryPool ? exploratoryPool->GetNextOutboundTunnel (nullptr, floodfill->GetCompatibleTransports (false)) : nullptr;
-				auto inbound = exploratoryPool ? exploratoryPool->GetNextInboundTunnel () : nullptr;	
+				auto inbound = exploratoryPool ? exploratoryPool->GetNextInboundTunnel (nullptr, floodfill->GetCompatibleTransports (true)) : nullptr;
 				if (inbound && outbound)
 					outbound->SendTunnelDataMsg (floodfill->GetIdentHash (), 0,
 						CreateDatabaseStoreMsg (i2p::context.GetSharedRouterInfo (), replyToken, inbound));
@@ -1189,6 +1202,16 @@ namespace data
 			});
 	}
 
+	std::shared_ptr<const RouterInfo> NetDb::GetRandomSSU2PeerTestRouter (bool v4, const std::set<IdentHash>& excluded) const
+	{
+		return GetRandomRouter (
+			[v4, &excluded](std::shared_ptr<const RouterInfo> router)->bool
+			{
+				return !router->IsHidden () && router->IsECIES () &&
+					router->IsSSU2PeerTesting (v4) && !excluded.count (router->GetIdentHash ());
+			});
+	}
+	
 	std::shared_ptr<const RouterInfo> NetDb::GetRandomSSUV6Router () const
 	{
 		return GetRandomRouter (
@@ -1261,7 +1284,7 @@ namespace data
 				return it->second;
 			it++;
 		}
-		// still not found, try from the begining
+		// still not found, try from the beginning
 		it = m_RouterInfos.begin ();
 		while (it != it1 && it != m_RouterInfos.end ())
 		{
@@ -1269,7 +1292,7 @@ namespace data
 				return it->second;
 			it++;
 		}
-		// still not found, try to the begining
+		// still not found, try to the beginning
 		it = it2;
 		while (it != m_RouterInfos.end ())
 		{
@@ -1363,7 +1386,8 @@ namespace data
 		return res;
 	}
 
-	std::shared_ptr<const RouterInfo> NetDb::GetRandomRouterInFamily(const std::string & fam) const {
+	std::shared_ptr<const RouterInfo> NetDb::GetRandomRouterInFamily (FamilyID fam) const
+	{
 		return GetRandomRouter(
 			[fam](std::shared_ptr<const RouterInfo> router)->bool
 		{
@@ -1408,5 +1432,11 @@ namespace data
 				++it;
 		}
 	}
+
+	void NetDb::PopulateRouterInfoBuffer (std::shared_ptr<RouterInfo> r)
+	{
+		if (!r || r->GetBuffer ()) return;
+		r->LoadBuffer (m_Storage.Path (r->GetIdentHashBase64 ()));
+	}	
 }
 }

libi2pd/NetDb.hpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -30,6 +30,7 @@
 #include "NetDbRequests.h"
 #include "Family.h"
 #include "version.h"
+#include "util.h"
 
 namespace i2p
 {
@@ -41,6 +42,7 @@ namespace data
 	const int NETDB_INTRODUCEE_EXPIRATION_TIMEOUT = 65 * 60;
 	const int NETDB_MIN_EXPIRATION_TIMEOUT = 90 * 60; // 1.5 hours
 	const int NETDB_MAX_EXPIRATION_TIMEOUT = 27 * 60 * 60; // 27 hours
+	const int NETDB_MAX_OFFLINE_EXPIRATION_TIMEOUT = 180; // in days
 	const int NETDB_PUBLISH_INTERVAL = 60 * 40;
 	const int NETDB_PUBLISH_CONFIRMATION_TIMEOUT = 5; // in seconds
 	const int NETDB_MAX_PUBLISH_EXCLUDED_FLOODFILLS = 15;
@@ -88,13 +90,14 @@ namespace data
 			std::shared_ptr<const RouterInfo> GetRandomRouter (std::shared_ptr<const RouterInfo> compatibleWith, bool reverse) const;
 			std::shared_ptr<const RouterInfo> GetHighBandwidthRandomRouter (std::shared_ptr<const RouterInfo> compatibleWith, bool reverse) const;
 			std::shared_ptr<const RouterInfo> GetRandomPeerTestRouter (bool v4, const std::set<IdentHash>& excluded) const;
+			std::shared_ptr<const RouterInfo> GetRandomSSU2PeerTestRouter (bool v4, const std::set<IdentHash>& excluded) const;
 			std::shared_ptr<const RouterInfo> GetRandomSSUV6Router () const; // TODO: change to v6 peer test later
 			std::shared_ptr<const RouterInfo> GetRandomIntroducer (bool v4, const std::set<IdentHash>& excluded) const;
 			std::shared_ptr<const RouterInfo> GetClosestFloodfill (const IdentHash& destination, const std::set<IdentHash>& excluded, bool closeThanUsOnly = false) const;
 			std::vector<IdentHash> GetClosestFloodfills (const IdentHash& destination, size_t num,
 				std::set<IdentHash>& excluded, bool closeThanUsOnly = false) const;
 			std::shared_ptr<const RouterInfo> GetClosestNonFloodfill (const IdentHash& destination, const std::set<IdentHash>& excluded) const;
-			std::shared_ptr<const RouterInfo> GetRandomRouterInFamily(const std::string & fam) const;
+			std::shared_ptr<const RouterInfo> GetRandomRouterInFamily (FamilyID fam) const;
 			void SetUnreachable (const IdentHash& ident, bool unreachable);
 
 			void PostI2NPMsg (std::shared_ptr<const I2NPMessage> msg);
@@ -120,13 +123,15 @@ namespace data
 			size_t VisitRandomRouterInfos(RouterInfoFilter f, RouterInfoVisitor v, size_t n);
 
 			void ClearRouterInfos () { m_RouterInfos.clear (); };
+			std::shared_ptr<RouterInfo::Buffer> NewRouterInfoBuffer () { return m_RouterInfoBuffersPool.AcquireSharedMt (); };
+			void PopulateRouterInfoBuffer (std::shared_ptr<RouterInfo> r); 
 
 			uint32_t GetPublishReplyToken () const { return m_PublishReplyToken; };
 
 		private:
 
 			void Load ();
-			bool LoadRouterInfo (const std::string & path);
+			bool LoadRouterInfo (const std::string& path, uint64_t ts);
 			void SaveUpdated ();
 			void Run (); // exploratory thread
 			void Explore (int numDestinations);
@@ -153,7 +158,6 @@ namespace data
 			std::list<std::shared_ptr<RouterInfo> > m_Floodfills;
 
 			bool m_IsRunning;
-			uint64_t m_LastLoad;
 			std::thread * m_Thread;
 			i2p::util::Queue<std::shared_ptr<const I2NPMessage> > m_Queue; // of I2NPDatabaseStoreMsg
 
@@ -175,6 +179,8 @@ namespace data
 
 			std::set<IdentHash> m_PublishExcluded;
 			uint32_t m_PublishReplyToken = 0;
+
+			i2p::util::MemoryPoolMt<RouterInfo::Buffer> m_RouterInfoBuffersPool;
 	};
 
 	extern NetDb netdb;

libi2pd/Poly1305.cpp

@@ -1,12 +1,13 @@
-#include "Poly1305.h"
 /**
-   This code is licensed under the MCGSI Public License
+ * This code is licensed under the MCGSI Public License
-   Copyright 2018 Jeff Becker
+ * Copyright 2018 Jeff Becker
-
+ *
-   Kovri go write your own code
+ *Kovri go write your own code
-
+ *
  */
 
+#include "Poly1305.h"
+
 #if !OPENSSL_AEAD_CHACHA20_POLY1305
 namespace i2p
 {

libi2pd/Poly1305.h

@@ -5,6 +5,7 @@
  * Kovri go write your own code
  *
  */
+
 #ifndef LIBI2PD_POLY1305_H
 #define LIBI2PD_POLY1305_H
 #include <cstdint>

libi2pd/Profiling.cpp

@@ -73,7 +73,7 @@ namespace data
 
 		if (!i2p::fs::Exists(path))
 		{
-			LogPrint(eLogWarning, "Profiling: no profile yet for ", ident);
+			LogPrint(eLogWarning, "Profiling: No profile yet for ", ident);
 			return;
 		}
 
@@ -115,7 +115,7 @@ namespace data
 				}
 				catch (boost::property_tree::ptree_bad_path& ex)
 				{
-					LogPrint (eLogWarning, "Missing section ", PEER_PROFILE_SECTION_USAGE, " in profile for ", ident);
+					LogPrint (eLogWarning, "Profiling: Missing section ", PEER_PROFILE_SECTION_USAGE, " in profile for ", ident);
 				}
 			}
 			else
@@ -194,7 +194,7 @@ namespace data
 				continue;
 			}
 			if (((now - st.st_mtime) / 3600) >= PEER_PROFILE_EXPIRATION_TIMEOUT) {
-				LogPrint(eLogDebug, "Profiling: removing expired peer profile: ", path);
+				LogPrint(eLogDebug, "Profiling: Removing expired peer profile: ", path);
 				i2p::fs::Remove(path);
 			}
 		}

libi2pd/Profiling.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -29,6 +29,8 @@ namespace data
 	const char PEER_PROFILE_USAGE_REJECTED[] = "rejected";
 
 	const int PEER_PROFILE_EXPIRATION_TIMEOUT = 72; // in hours (3 days)
+	const int PEER_PROFILE_AUTOCLEAN_TIMEOUT = 24 * 3600; // in seconds (1 day)
+	const int PEER_PROFILE_AUTOCLEAN_VARIANCE = 3 * 3600; // in seconds (3 hours)
 
 	class RouterProfile
 	{

libi2pd/Reseed.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -60,19 +60,19 @@ namespace data
 				num = ProcessSU3File (su3FileName.c_str ());
 			}
 			if (num == 0)
-				LogPrint (eLogWarning, "Reseed: failed to reseed from ", su3FileName);
+				LogPrint (eLogWarning, "Reseed: Failed to reseed from ", su3FileName);
 		}
 		else if (zipFileName.length() > 0) // bootstrap from ZIP file
 		{
 			int num = ProcessZIPFile (zipFileName.c_str ());
 			if (num == 0)
-				LogPrint (eLogWarning, "Reseed: failed to reseed from ", zipFileName);
+				LogPrint (eLogWarning, "Reseed: Failed to reseed from ", zipFileName);
 		}
 		else // bootstrap from reseed servers
 		{
 			int num = ReseedFromServers ();
 			if (num == 0)
-				LogPrint (eLogWarning, "Reseed: failed to reseed from servers");
+				LogPrint (eLogWarning, "Reseed: Failed to reseed from servers");
 		}
 	}
 
@@ -84,6 +84,7 @@ namespace data
 	{
 		bool ipv6; i2p::config::GetOption("ipv6", ipv6);
 		bool ipv4; i2p::config::GetOption("ipv4", ipv4);
+		bool yggdrasil; i2p::config::GetOption("meshnets.yggdrasil", yggdrasil);
 
 		std::vector<std::string> httpsReseedHostList;
 		if (ipv4 || ipv6)
@@ -94,9 +95,9 @@ namespace data
 		}
 
 		std::vector<std::string> yggReseedHostList;
-		if (!i2p::util::net::GetYggdrasilAddress ().is_unspecified ())
+		if (yggdrasil && !i2p::util::net::GetYggdrasilAddress ().is_unspecified ())
 		{
-			LogPrint (eLogInfo, "Reseed: yggdrasil is supported");
+			LogPrint (eLogInfo, "Reseed: Yggdrasil is supported");
 			std::string yggReseedURLs; i2p::config::GetOption("reseed.yggurls", yggReseedURLs);
 			if (!yggReseedURLs.empty ())
 				boost::split(yggReseedHostList, yggReseedURLs, boost::is_any_of(","), boost::token_compress_on);
@@ -120,7 +121,7 @@ namespace data
 			if (num > 0) return num; // success
 			reseedRetries++;
 		}
-		LogPrint (eLogWarning, "Reseed: failed to reseed from servers after 10 attempts");
+		LogPrint (eLogWarning, "Reseed: Failed to reseed from servers after 10 attempts");
 		return 0;
 	}
 
@@ -414,13 +415,13 @@ namespace data
 				{
 					if (r && ts > r->GetTimestamp () + 10*i2p::data::NETDB_MAX_EXPIRATION_TIMEOUT*1000LL) // 270 hours
 					{
-						LogPrint (eLogError, "Reseed: router ", r->GetIdentHash().ToBase64 (), " is outdated by ", (ts - r->GetTimestamp ())/1000LL/3600LL, " hours");
+						LogPrint (eLogError, "Reseed: Router ", r->GetIdentHash().ToBase64 (), " is outdated by ", (ts - r->GetTimestamp ())/1000LL/3600LL, " hours");
 						numOutdated++;
 					}
 				});
 			if (numOutdated > numFiles/2) // more than half
 			{
-				LogPrint (eLogError, "Reseed: mammoth's shit\n"
+				LogPrint (eLogError, "Reseed: Mammoth's shit\n"
 				"	   *_____*\n"
 				"	  *_*****_*\n"
 				"	 *_(O)_(O)_*\n"
@@ -478,7 +479,7 @@ namespace data
 					if (terminator) terminator[0] = 0;
 				}
 				// extract RSA key (we need n only, e = 65537)
-				RSA * key = EVP_PKEY_get0_RSA (X509_get_pubkey (cert));
+				const RSA * key = EVP_PKEY_get0_RSA (X509_get_pubkey (cert));
 				const BIGNUM * n, * e, * d;
 				RSA_get0_key(key, &n, &e, &d);
 				PublicKey value;
@@ -509,7 +510,7 @@ namespace data
 
 		for (const std::string & file : files) {
 			if (file.compare(file.size() - 4, 4, ".crt") != 0) {
-				LogPrint(eLogWarning, "Reseed: ignoring file ", file);
+				LogPrint(eLogWarning, "Reseed: Ignoring file ", file);
 				continue;
 			}
 			LoadCertificate (file);
@@ -533,17 +534,17 @@ namespace data
 				}
 				// check for valid proxy url schema
 				if (proxyUrl.schema != "http" && proxyUrl.schema != "socks") {
-					LogPrint(eLogError, "Reseed: bad proxy url: ", proxy);
+					LogPrint(eLogError, "Reseed: Bad proxy url: ", proxy);
 					return "";
 				}
 			} else {
-				LogPrint(eLogError, "Reseed: bad proxy url: ", proxy);
+				LogPrint(eLogError, "Reseed: Bad proxy url: ", proxy);
 				return "";
 			}
 		}
 		i2p::http::URL url;
 		if (!url.parse(address)) {
-			LogPrint(eLogError, "Reseed: failed to parse url: ", address);
+			LogPrint(eLogError, "Reseed: Failed to parse url: ", address);
 			return "";
 		}
 		url.schema = "https";
@@ -743,22 +744,22 @@ namespace data
 		i2p::http::HTTPRes res;
 		int len = res.parse(data);
 		if (len <= 0) {
-			LogPrint(eLogWarning, "Reseed: incomplete/broken response from ", uri);
+			LogPrint(eLogWarning, "Reseed: Incomplete/broken response from ", uri);
 			return "";
 		}
 		if (res.code != 200) {
-			LogPrint(eLogError, "Reseed: failed to reseed from ", uri, ", http code ", res.code);
+			LogPrint(eLogError, "Reseed: Failed to reseed from ", uri, ", http code ", res.code);
 			return "";
 		}
 		data.erase(0, len); /* drop http headers from response */
-		LogPrint(eLogDebug, "Reseed: got ", data.length(), " bytes of data from ", uri);
+		LogPrint(eLogDebug, "Reseed: Got ", data.length(), " bytes of data from ", uri);
 		if (res.is_chunked()) {
 			std::stringstream in(data), out;
 			if (!i2p::http::MergeChunkedResponse(in, out)) {
-				LogPrint(eLogWarning, "Reseed: failed to merge chunked response from ", uri);
+				LogPrint(eLogWarning, "Reseed: Failed to merge chunked response from ", uri);
 				return "";
 			}
-			LogPrint(eLogDebug, "Reseed: got ", data.length(), "(", out.tellg(), ") bytes of data from ", uri);
+			LogPrint(eLogDebug, "Reseed: Got ", data.length(), "(", out.tellg(), ") bytes of data from ", uri);
 			data = out.str();
 		}
 		return data;
@@ -769,7 +770,7 @@ namespace data
 		i2p::http::URL url;
 		if (!url.parse(address))
 		{
-			LogPrint(eLogError, "Reseed: failed to parse url: ", address);
+			LogPrint(eLogError, "Reseed: Failed to parse url: ", address);
 			return "";
 		}
 		url.schema = "http";
@@ -781,15 +782,15 @@ namespace data
 
 		if (url.host.length () < 2) return ""; // assume []
 		auto host = url.host.substr (1, url.host.length () - 2);
-		LogPrint (eLogDebug, "Reseed: Connecting to yggdrasil ", url.host, ":", url.port);
+		LogPrint (eLogDebug, "Reseed: Connecting to Yggdrasil ", url.host, ":", url.port);
 		s.connect (boost::asio::ip::tcp::endpoint (boost::asio::ip::address_v6::from_string (host), url.port), ecode);
 		if (!ecode)
 		{
-			LogPrint (eLogDebug, "Reseed: Connected to yggdrasil ", url.host, ":", url.port);
+			LogPrint (eLogDebug, "Reseed: Connected to Yggdrasil ", url.host, ":", url.port);
 			return ReseedRequest (s, url.to_string());
 		}
 		else
-			LogPrint (eLogError, "Reseed: Couldn't connect to yggdrasil ", url.host, ": ", ecode.message ());	
+			LogPrint (eLogError, "Reseed: Couldn't connect to Yggdrasil ", url.host, ": ", ecode.message ());
 
 		return "";
 	}

libi2pd/RouterContext.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -57,7 +57,7 @@ namespace i2p
 
 	void RouterContext::NewRouterInfo ()
 	{
-		i2p::data::RouterInfo routerInfo;
+		i2p::data::LocalRouterInfo routerInfo;
 		routerInfo.SetRouterIdentity (GetIdentity ());
 		uint16_t port; i2p::config::GetOption("port", port);
 		if (!port)
@@ -69,11 +69,14 @@ namespace i2p
 		bool ipv6;  i2p::config::GetOption("ipv6", ipv6);
 		bool ssu;   i2p::config::GetOption("ssu", ssu);
 		bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
+		bool ssu2;  i2p::config::GetOption("ssu2.enabled", ssu2);
 		bool ygg;   i2p::config::GetOption("meshnets.yggdrasil", ygg);
 		bool nat;   i2p::config::GetOption("nat", nat);
 
 		if ((ntcp2 || ygg) && !m_NTCP2Keys)
 			NewNTCP2Keys ();
+		if (ssu2 && !m_SSU2Keys)
+			NewSSU2Keys ();
 		bool ntcp2Published = false;
 		if (ntcp2)
 		{
@@ -84,6 +87,9 @@ namespace i2p
 				if (!ntcp2proxy.empty ()) ntcp2Published = false;
 			}
 		}
+		bool ssu2Published = false;
+		if (ssu2)
+			i2p::config::GetOption("ssu2.published", ssu2Published);
 		uint8_t caps = 0, addressCaps = 0;
 		if (ipv4)
 		{
@@ -112,6 +118,16 @@ namespace i2p
 				routerInfo.AddSSUAddress (host.c_str(), port, nullptr);
 				caps |= i2p::data::RouterInfo::eReachable; // R
 			}
+			if (ssu2)
+			{
+				if (ssu2Published)
+					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address_v4::from_string (host), port);
+				else
+				{
+					addressCaps |= i2p::data::RouterInfo::AddressCaps::eV4;
+					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro);
+				}
+			}
 		}
 		if (ipv6)
 		{
@@ -147,6 +163,17 @@ namespace i2p
 				routerInfo.AddSSUAddress (host.c_str(), port, nullptr);
 				caps |= i2p::data::RouterInfo::eReachable; // R
 			}
+			if (ssu2)
+			{
+				if (ssu2Published)
+					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address_v6::from_string (host), port);
+				else
+				{
+					if (!ipv4) // no other ssu2 addresses yet
+						routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro);
+					addressCaps |= i2p::data::RouterInfo::AddressCaps::eV6;
+				}
+			}
 		}
 		if (ygg)
 		{
@@ -157,7 +184,7 @@ namespace i2p
 
 		if (addressCaps)
 			routerInfo.SetUnreachableAddressesTransportCaps (addressCaps);
-		routerInfo.SetCaps (caps); // caps + L
+		routerInfo.UpdateCaps (caps); // caps + L
 		routerInfo.SetProperty ("netId", std::to_string (m_NetID));
 		routerInfo.SetProperty ("router.version", I2P_VERSION);
 		routerInfo.CreateBuffer (m_Keys);
@@ -174,17 +201,30 @@ namespace i2p
 
 	void RouterContext::NewNTCP2Keys ()
 	{
-		m_StaticKeys.reset (new i2p::crypto::X25519Keys ());
+		m_NTCP2StaticKeys.reset (new i2p::crypto::X25519Keys ());
-		m_StaticKeys->GenerateKeys ();
+		m_NTCP2StaticKeys->GenerateKeys ();
 		m_NTCP2Keys.reset (new NTCP2PrivateKeys ());
-		m_StaticKeys->GetPrivateKey (m_NTCP2Keys->staticPrivateKey);
+		m_NTCP2StaticKeys->GetPrivateKey (m_NTCP2Keys->staticPrivateKey);
-		memcpy (m_NTCP2Keys->staticPublicKey, m_StaticKeys->GetPublicKey (), 32);
+		memcpy (m_NTCP2Keys->staticPublicKey, m_NTCP2StaticKeys->GetPublicKey (), 32);
 		RAND_bytes (m_NTCP2Keys->iv, 16);
 		// save
 		std::ofstream fk (i2p::fs::DataDirPath (NTCP2_KEYS), std::ofstream::binary | std::ofstream::out);
 		fk.write ((char *)m_NTCP2Keys.get (), sizeof (NTCP2PrivateKeys));
 	}
 
+	void RouterContext::NewSSU2Keys ()
+	{
+		m_SSU2StaticKeys.reset (new i2p::crypto::X25519Keys ());
+		m_SSU2StaticKeys->GenerateKeys ();
+		m_SSU2Keys.reset (new SSU2PrivateKeys ());
+		m_SSU2StaticKeys->GetPrivateKey (m_SSU2Keys->staticPrivateKey);
+		memcpy (m_SSU2Keys->staticPublicKey, m_SSU2StaticKeys->GetPublicKey (), 32);
+		RAND_bytes (m_SSU2Keys->intro, 32);
+		// save
+		std::ofstream fk (i2p::fs::DataDirPath (SSU2_KEYS), std::ofstream::binary | std::ofstream::out);
+		fk.write ((char *)m_SSU2Keys.get (), sizeof (SSU2PrivateKeys));
+	}
+
 	void RouterContext::SetStatus (RouterStatus status)
 	{
 		if (status != m_Status)
@@ -229,7 +269,7 @@ namespace i2p
 		bool updated = false;
 		for (auto& address : m_RouterInfo.GetAddresses ())
 		{
-			if (!address->IsNTCP2 () && address->port != port)
+			if (!address->IsNTCP2 () && !address->IsSSU2 () && address->port != port)
 			{
 				address->port = port;
 				updated = true;
@@ -265,7 +305,7 @@ namespace i2p
 					}
 					if (port) address->port = port;
 					address->published = publish;
-					address->ntcp2->iv = m_NTCP2Keys->iv;
+					memcpy (address->i, m_NTCP2Keys->iv, 16);
 					updated = true;
 				}
 			}
@@ -300,6 +340,59 @@ namespace i2p
 			UpdateRouterInfo ();
 	}
 
+	void RouterContext::PublishSSU2Address (int port, bool publish, bool v4, bool v6)
+	{
+		if (!m_SSU2Keys || (publish && !port)) return;
+		bool updated = false;
+		for (auto& address : m_RouterInfo.GetAddresses ())
+		{
+			if (address->IsSSU2 () && (address->port != port || address->published != publish) &&
+				((v4 && address->IsV4 ()) || (v6 && address->IsV6 ())))
+			{
+				address->port = port;
+				address->published = publish;
+				if (publish)
+					address->caps |= (i2p::data::RouterInfo::eSSUIntroducer | i2p::data::RouterInfo::eSSUTesting);
+				else
+					address->caps &= ~(i2p::data::RouterInfo::eSSUIntroducer | i2p::data::RouterInfo::eSSUTesting);
+				updated = true;
+			}
+		}
+		if (updated)
+			UpdateRouterInfo ();
+	}
+
+	void RouterContext::UpdateSSU2Address (bool enable)
+	{
+		auto& addresses = m_RouterInfo.GetAddresses ();
+		bool found = false, updated = false;
+		for (auto it = addresses.begin (); it != addresses.end (); ++it)
+		{
+			if ((*it)->IsSSU2 ())
+			{
+				found = true;
+				if (!enable)
+				{
+					addresses.erase (it);
+					updated= true;
+				}
+				break;
+			}
+		}
+		if (enable && !found)
+		{
+			uint8_t addressCaps = 0;
+			bool ipv4;           i2p::config::GetOption("ipv4", ipv4);
+			bool ipv6;           i2p::config::GetOption("ipv6", ipv6);
+			if (ipv4) addressCaps |= i2p::data::RouterInfo::AddressCaps::eV4;
+			if (ipv6) addressCaps |= i2p::data::RouterInfo::AddressCaps::eV6;
+			m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, addressCaps);
+			updated = true;
+		}
+		if (updated)
+			UpdateRouterInfo ();
+	}
+
 	void RouterContext::UpdateAddress (const boost::asio::ip::address& host)
 	{
 		bool updated = false;
@@ -349,10 +442,10 @@ namespace i2p
 	{
 		m_IsFloodfill = floodfill;
 		if (floodfill)
-			m_RouterInfo.SetCaps (m_RouterInfo.GetCaps () | i2p::data::RouterInfo::eFloodfill);
+			m_RouterInfo.UpdateCaps (m_RouterInfo.GetCaps () | i2p::data::RouterInfo::eFloodfill);
 		else
 		{
-			m_RouterInfo.SetCaps (m_RouterInfo.GetCaps () & ~i2p::data::RouterInfo::eFloodfill);
+			m_RouterInfo.UpdateCaps (m_RouterInfo.GetCaps () & ~i2p::data::RouterInfo::eFloodfill);
 			// we don't publish number of routers and leaseset for non-floodfill
 			m_RouterInfo.DeleteProperty (i2p::data::ROUTER_INFO_PROPERTY_LEASESETS);
 			m_RouterInfo.DeleteProperty (i2p::data::ROUTER_INFO_PROPERTY_ROUTERS);
@@ -414,7 +507,7 @@ namespace i2p
 			// no break here, extra + high means 'X'
 			case high : caps |= i2p::data::RouterInfo::eHighBandwidth; break;
 		}
-		m_RouterInfo.SetCaps (caps);
+		m_RouterInfo.UpdateCaps (caps);
 		UpdateRouterInfo ();
 		m_BandwidthLimit = limit;
 	}
@@ -469,13 +562,13 @@ namespace i2p
 			caps |= i2p::data::RouterInfo::eUnreachable;
 			if (v6 || !SupportsV6 ())
 				caps &= ~i2p::data::RouterInfo::eFloodfill;	// can't be floodfill
-			m_RouterInfo.SetCaps (caps);
+			m_RouterInfo.UpdateCaps (caps);
 		}
 		uint16_t port = 0;
 		// delete previous introducers
 		auto& addresses = m_RouterInfo.GetAddresses ();
 		for (auto& addr : addresses)
-			if (addr->ssu && ((v4 && addr->IsV4 ()) || (v6 && addr->IsV6 ())))
+			if (addr->ssu && !addr->IsSSU2 () && ((v4 && addr->IsV4 ()) || (v6 && addr->IsV6 ())))
 			{
 				addr->published = false;
 				addr->caps &= ~i2p::data::RouterInfo::eSSUIntroducer; // can't be introducer
@@ -501,13 +594,13 @@ namespace i2p
 			caps |= i2p::data::RouterInfo::eReachable;
 			if (m_IsFloodfill)
 				caps |= i2p::data::RouterInfo::eFloodfill;
-			m_RouterInfo.SetCaps (caps);
+			m_RouterInfo.UpdateCaps (caps);
 		}
 		uint16_t port = 0;
 		// delete previous introducers
 		auto& addresses = m_RouterInfo.GetAddresses ();
 		for (auto& addr : addresses)
-			if (addr->ssu && ((v4 && addr->IsV4 ()) || (v6 && addr->IsV6 ())))
+			if (addr->ssu && !addr->IsSSU2 () && ((v4 && addr->IsV4 ()) || (v6 && addr->IsV6 ())))
 			{
 				addr->published = true;
 				addr->caps |= i2p::data::RouterInfo::eSSUIntroducer;
@@ -536,17 +629,26 @@ namespace i2p
 		if (supportsV6)
 		{
 			// insert v6 addresses if necessary
-			bool foundSSU = false, foundNTCP2 = false;
+			bool foundSSU = false, foundNTCP2 = false, foundSSU2 = false;
 			uint16_t port = 0;
 			auto& addresses = m_RouterInfo.GetAddresses ();
 			for (auto& addr: addresses)
 			{
 				if (addr->IsV6 () && !i2p::util::net::IsYggdrasilAddress (addr->host))
 				{
-					if (addr->transportStyle == i2p::data::RouterInfo::eTransportSSU)
+					switch (addr->transportStyle)
+					{
+						case i2p::data::RouterInfo::eTransportSSU:
 							foundSSU = true;
-					else if (addr->transportStyle == i2p::data::RouterInfo::eTransportNTCP)
+						break;
+						case i2p::data::RouterInfo::eTransportNTCP:
 							foundNTCP2 = true;
+						break;
+						case i2p::data::RouterInfo::eTransportSSU2:
+							foundSSU2 = true;
+						break;
+						default: ;
+					}
 				}
 				port = addr->port;
 			}
@@ -583,6 +685,22 @@ namespace i2p
 						m_RouterInfo.AddNTCP2Address (m_NTCP2Keys->staticPublicKey, m_NTCP2Keys->iv, boost::asio::ip::address(), 0, i2p::data::RouterInfo::eV6);
 				}
 			}
+			// SSU2
+			if (!foundSSU2)
+			{
+				bool ssu2; i2p::config::GetOption("ssu2.enabled", ssu2);
+				if (ssu2)
+				{
+					bool ssu2Published; i2p::config::GetOption("ssu2.published", ssu2Published);
+					if (ssu2Published)
+					{
+						uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
+						m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address::from_string ("::1"), ssu2Port);
+					}
+					else
+						m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, i2p::data::RouterInfo::eV6);
+				}
+			}
 			m_RouterInfo.EnableV6 ();
 		}
 		else
@@ -598,7 +716,7 @@ namespace i2p
 		// update
 		if (supportsV4)
 		{
-			bool foundSSU = false, foundNTCP2 = false;
+			bool foundSSU = false, foundNTCP2 = false, foundSSU2 = false;
 			std::string host = "127.0.0.1";
 			uint16_t port = 0;
 			auto& addresses = m_RouterInfo.GetAddresses ();
@@ -606,10 +724,19 @@ namespace i2p
 			{
 				if (addr->IsV4 ())
 				{
-					if (addr->transportStyle == i2p::data::RouterInfo::eTransportSSU)
+					switch (addr->transportStyle)
+					{
+						case i2p::data::RouterInfo::eTransportSSU:
 							foundSSU = true;
-					else if (addr->transportStyle == i2p::data::RouterInfo::eTransportNTCP)
+						break;
+						case i2p::data::RouterInfo::eTransportNTCP:
 							foundNTCP2 = true;
+						break;
+						case i2p::data::RouterInfo::eTransportSSU2:
+							foundSSU2 = true;
+						break;
+						default: ;
+					}
 				}
 				if (addr->port) port = addr->port;
 			}
@@ -638,6 +765,22 @@ namespace i2p
 						m_RouterInfo.AddNTCP2Address (m_NTCP2Keys->staticPublicKey, m_NTCP2Keys->iv, boost::asio::ip::address(), 0, i2p::data::RouterInfo::eV4);
 				}
 			}
+			// SSU2
+			if (!foundSSU2)
+			{
+				bool ssu2; i2p::config::GetOption("ssu2.enabled", ssu2);
+				if (ssu2)
+				{
+					bool ssu2Published; i2p::config::GetOption("ssu2.published", ssu2Published);
+					if (ssu2Published)
+					{
+						uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
+						m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address::from_string ("127.0.0.1"), ssu2Port);
+					}
+					else
+						m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, i2p::data::RouterInfo::eV6);
+				}
+			}
 			m_RouterInfo.EnableV4 ();
 		}
 		else
@@ -794,6 +937,30 @@ namespace i2p
 		else
 			UpdateNTCP2Address (false); // disable NTCP2
 
+		// read SSU2
+		bool ssu2; i2p::config::GetOption("ssu2.enabled", ssu2);
+		if (ssu2)
+		{
+			// read SSU2 keys if available
+			std::ifstream s2k (i2p::fs::DataDirPath (SSU2_KEYS), std::ifstream::in | std::ifstream::binary);
+			if (s2k)
+			{
+				s2k.seekg (0, std::ios::end);
+				size_t len = s2k.tellg();
+				s2k.seekg (0, std::ios::beg);
+				if (len == sizeof (SSU2PrivateKeys))
+				{
+					m_SSU2Keys.reset (new SSU2PrivateKeys ());
+					s2k.read ((char *)m_SSU2Keys.get (), sizeof (SSU2PrivateKeys));
+				}
+				s2k.close ();
+			}
+			if (!m_SSU2Keys) NewSSU2Keys ();
+			UpdateSSU2Address (true); // enable SSU2
+		}
+		else
+			UpdateSSU2Address (false); // disable SSU2
+
 		return true;
 	}
 
@@ -910,17 +1077,31 @@ namespace i2p
 		return DecryptECIESTunnelBuildRecord (encrypted, data, SHORT_REQUEST_RECORD_CLEAR_TEXT_SIZE);
 	}
 
-	i2p::crypto::X25519Keys& RouterContext::GetStaticKeys ()
+	i2p::crypto::X25519Keys& RouterContext::GetNTCP2StaticKeys ()
 	{
-		if (!m_StaticKeys)
+		if (!m_NTCP2StaticKeys)
 		{
 			if (!m_NTCP2Keys) NewNTCP2Keys ();
 			auto x = new i2p::crypto::X25519Keys (m_NTCP2Keys->staticPrivateKey, m_NTCP2Keys->staticPublicKey);
-			if (!m_StaticKeys)
+			if (!m_NTCP2StaticKeys)
-				m_StaticKeys.reset (x);
+				m_NTCP2StaticKeys.reset (x);
 			else
 				delete x;
 		}
-		return *m_StaticKeys;
+		return *m_NTCP2StaticKeys;
+	}
+
+	i2p::crypto::X25519Keys& RouterContext::GetSSU2StaticKeys ()
+	{
+		if (!m_SSU2StaticKeys)
+		{
+			if (!m_SSU2Keys) NewSSU2Keys ();
+			auto x = new i2p::crypto::X25519Keys (m_SSU2Keys->staticPrivateKey, m_SSU2Keys->staticPublicKey);
+			if (!m_SSU2StaticKeys)
+				m_SSU2StaticKeys.reset (x);
+			else
+				delete x;
+		}
+		return *m_SSU2StaticKeys;
 	}
 }

libi2pd/RouterContext.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -29,6 +29,7 @@ namespace garlic
 	const char ROUTER_INFO[] = "router.info";
 	const char ROUTER_KEYS[] = "router.keys";
 	const char NTCP2_KEYS[] = "ntcp2.keys";
+	const char SSU2_KEYS[] = "ssu2.keys";
 	const int ROUTER_INFO_UPDATE_INTERVAL = 1800; // 30 minutes
 
 	enum RouterStatus
@@ -61,13 +62,20 @@ namespace garlic
 				uint8_t iv[16];
 			};
 
+			struct SSU2PrivateKeys
+			{
+				uint8_t staticPublicKey[32];
+				uint8_t staticPrivateKey[32];
+				uint8_t intro[32];
+			};
+
 		public:
 
 			RouterContext ();
 			void Init ();
 
 			const i2p::data::PrivateKeys& GetPrivateKeys () const { return m_Keys; };
-			i2p::data::RouterInfo& GetRouterInfo () { return m_RouterInfo; };		
+			i2p::data::LocalRouterInfo& GetRouterInfo () { return m_RouterInfo; };
 			std::shared_ptr<i2p::data::RouterInfo> GetSharedRouterInfo ()
 			{
 				return std::shared_ptr<i2p::data::RouterInfo> (&m_RouterInfo,
@@ -78,10 +86,16 @@ namespace garlic
 				return std::shared_ptr<i2p::garlic::GarlicDestination> (this,
 					[](i2p::garlic::GarlicDestination *) {});
 			}
+
 			const uint8_t * GetNTCP2StaticPublicKey () const { return m_NTCP2Keys ? m_NTCP2Keys->staticPublicKey : nullptr; };
 			const uint8_t * GetNTCP2StaticPrivateKey () const { return m_NTCP2Keys ? m_NTCP2Keys->staticPrivateKey : nullptr; };
 			const uint8_t * GetNTCP2IV () const { return m_NTCP2Keys ? m_NTCP2Keys->iv : nullptr; };
-			i2p::crypto::X25519Keys& GetStaticKeys ();
+			i2p::crypto::X25519Keys& GetNTCP2StaticKeys ();
+
+			const uint8_t * GetSSU2StaticPublicKey () const { return m_SSU2Keys ? m_SSU2Keys->staticPublicKey : nullptr; };
+			const uint8_t * GetSSU2StaticPrivateKey () const { return m_SSU2Keys ? m_SSU2Keys->staticPrivateKey : nullptr; };
+			const uint8_t * GetSSU2IntroKey () const { return m_SSU2Keys ? m_SSU2Keys->intro : nullptr; };
+			i2p::crypto::X25519Keys& GetSSU2StaticKeys ();
 
 			uint32_t GetUptime () const; // in seconds
 			uint64_t GetLastUpdateTime () const { return m_LastUpdateTime; };
@@ -102,6 +116,8 @@ namespace garlic
 			void UpdateAddress (const boost::asio::ip::address& host); // called from SSU or Daemon
 			void PublishNTCP2Address (int port, bool publish, bool v4, bool v6, bool ygg);
 			void UpdateNTCP2Address (bool enable);
+			void PublishSSU2Address (int port, bool publish, bool v4, bool v6);
+			void UpdateSSU2Address (bool enable);
 			void RemoveNTCPAddress (bool v4only = true); // delete NTCP address for older routers. TODO: remove later
 			bool AddIntroducer (const i2p::data::RouterInfo::Introducer& introducer);
 			void RemoveIntroducer (const boost::asio::ip::udp::endpoint& e);
@@ -156,6 +172,7 @@ namespace garlic
 			void NewRouterInfo ();
 			void UpdateRouterInfo ();
 			void NewNTCP2Keys ();
+			void NewSSU2Keys ();
 			bool Load ();
 			void SaveKeys ();
 
@@ -163,7 +180,7 @@ namespace garlic
 
 		private:
 
-			i2p::data::RouterInfo m_RouterInfo;
+			i2p::data::LocalRouterInfo m_RouterInfo;
 			i2p::data::PrivateKeys m_Keys;
 			std::shared_ptr<i2p::crypto::CryptoKeyDecryptor> m_Decryptor, m_TunnelDecryptor;
 			std::shared_ptr<i2p::garlic::RouterIncomingRatchetSession> m_ECIESSession;
@@ -177,7 +194,8 @@ namespace garlic
 			int m_NetID;
 			std::mutex m_GarlicMutex;
 			std::unique_ptr<NTCP2PrivateKeys> m_NTCP2Keys;
-			std::unique_ptr<i2p::crypto::X25519Keys> m_StaticKeys;
+			std::unique_ptr<SSU2PrivateKeys> m_SSU2Keys;
+			std::unique_ptr<i2p::crypto::X25519Keys> m_NTCP2StaticKeys, m_SSU2StaticKeys;
 			// for ECIESx25519
 			i2p::crypto::NoiseSymmetricState m_InitialNoiseState, m_CurrentNoiseState;
 	};

libi2pd/RouterInfo.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -13,11 +13,13 @@
 #include <string>
 #include <map>
 #include <vector>
+#include <array>
 #include <iostream>
 #include <boost/asio.hpp>
 #include <boost/shared_ptr.hpp>
 #include "Identity.h"
 #include "Profiling.h"
+#include "Family.h"
 
 namespace i2p
 {
@@ -50,10 +52,12 @@ namespace data
 
 	const uint8_t COST_NTCP2_PUBLISHED = 3;
 	const uint8_t COST_NTCP2_NON_PUBLISHED = 14;
+	const uint8_t COST_SSU2_DIRECT = 8;
 	const uint8_t COST_SSU_DIRECT = 9;
 	const uint8_t COST_SSU_THROUGH_INTRODUCERS = 11;
+	const uint8_t COST_SSU2_NON_PUBLISHED = 15;
 
-	const int MAX_RI_BUFFER_SIZE = 2048; // if RouterInfo exceeds 2048 we consider it as malformed, might be changed later
+	const size_t MAX_RI_BUFFER_SIZE = 3072; // if RouterInfo exceeds 3K we consider it as malformed, might extend later
 	class RouterInfo: public RoutingDestination
 	{
 		public:
@@ -64,7 +68,10 @@ namespace data
 				eNTCP2V6 = 0x02,
 				eSSUV4 = 0x04,
 				eSSUV6 = 0x08,
-				eNTCP2V6Mesh = 0x10	
+				eNTCP2V6Mesh = 0x10,
+				eSSU2V4 = 0x20,
+				eSSU2V6 = 0x40,
+				eAllTransports = 0xFF
 			};
 			typedef uint8_t CompatibleTransports;
 
@@ -90,7 +97,8 @@ namespace data
 			{
 				eTransportUnknown = 0,
 				eTransportNTCP,
-				eTransportSSU
+				eTransportSSU,
+				eTransportSSU2
 			};
 
 			typedef Tag<32> IntroKey; // should be castable to MacKey and AESKey
@@ -99,7 +107,7 @@ namespace data
 				Introducer (): iPort (0), iExp (0) {};
 				boost::asio::ip::address iHost;
 				int iPort;
-				IntroKey iKey;
+				IntroKey iKey; // or ih for SSU2
 				uint32_t iTag;
 				uint32_t iExp;
 			};
@@ -107,26 +115,19 @@ namespace data
 			struct SSUExt
 			{
 				int mtu;
-				IntroKey key; // intro key for SSU
 				std::vector<Introducer> introducers;
 			};
 
-			struct NTCP2Ext
-			{
-				Tag<32> staticKey;
-				Tag<16> iv;
-			};
-
 			struct Address
 			{
 				TransportStyle transportStyle;
 				boost::asio::ip::address host;
+				Tag<32> s, i; // keys, i is first 16 bytes for NTCP2 and 32 bytes intro key for SSU
 				int port;
 				uint64_t date;
 				uint8_t caps;
 				bool published = false;
 				std::unique_ptr<SSUExt> ssu; // not null for SSU
-				std::unique_ptr<NTCP2Ext> ntcp2; // not null for NTCP2
 
 				bool IsCompatible (const boost::asio::ip::address& other) const
 				{
@@ -136,7 +137,7 @@ namespace data
 
 				bool operator==(const Address& other) const
 				{
-					return transportStyle == other.transportStyle && IsNTCP2 () == other.IsNTCP2 () &&
+					return transportStyle == other.transportStyle &&
 						host == other.host && port == other.port;
 				}
 
@@ -145,9 +146,10 @@ namespace data
 					return !(*this == other);
 				}
 
-				bool IsNTCP2 () const { return (bool)ntcp2; };
+				bool IsNTCP2 () const { return transportStyle == eTransportNTCP; };
+				bool IsSSU2 () const { return transportStyle == eTransportSSU2; };
 				bool IsPublishedNTCP2 () const { return IsNTCP2 () && published; };
-				bool IsReachableSSU () const { return (bool)ssu && (published || !ssu->introducers.empty ()); };
+				bool IsReachableSSU () const { return (bool)ssu && (published || UsesIntroducer ()); };
 				bool UsesIntroducer () const { return (bool)ssu && !ssu->introducers.empty (); };
 
 				bool IsIntroducer () const { return caps & eSSUIntroducer; };
@@ -156,49 +158,65 @@ namespace data
 				bool IsV4 () const { return (caps & AddressCaps::eV4) || (host.is_v4 () && !host.is_unspecified ()); };
 				bool IsV6 () const { return (caps & AddressCaps::eV6) || (host.is_v6 () && !host.is_unspecified ()); };
 			};
+
+			class Buffer: public std::array<uint8_t, MAX_RI_BUFFER_SIZE>
+			{
+				public:
+
+					Buffer () = default;
+					Buffer (const uint8_t * buf, size_t len);
+			};
+
 			typedef std::vector<std::shared_ptr<Address> > Addresses;
 
-			RouterInfo ();
 			RouterInfo (const std::string& fullPath);
 			RouterInfo (const RouterInfo& ) = default;
 			RouterInfo& operator=(const RouterInfo& ) = default;
-			RouterInfo (const uint8_t * buf, int len);
+			RouterInfo (std::shared_ptr<Buffer>&& buf, size_t len);
-			~RouterInfo ();
+			RouterInfo (const uint8_t * buf, size_t len);
+			virtual ~RouterInfo ();
 
 			std::shared_ptr<const IdentityEx> GetRouterIdentity () const { return m_RouterIdentity; };
 			void SetRouterIdentity (std::shared_ptr<const IdentityEx> identity);
 			std::string GetIdentHashBase64 () const { return GetIdentHash ().ToBase64 (); };
 			uint64_t GetTimestamp () const { return m_Timestamp; };
 			int GetVersion () const { return m_Version; };
+			virtual void SetProperty (const std::string& key, const std::string& value) {};
+			virtual void ClearProperties () {};
 			Addresses& GetAddresses () { return *m_Addresses; }; // should be called for local RI only, otherwise must return shared_ptr
 			std::shared_ptr<const Address> GetNTCP2AddressWithStaticKey (const uint8_t * key) const;
+			std::shared_ptr<const Address> GetSSU2AddressWithStaticKey (const uint8_t * key, bool isV6) const;
 			std::shared_ptr<const Address> GetPublishedNTCP2V4Address () const;
 			std::shared_ptr<const Address> GetPublishedNTCP2V6Address () const;
 			std::shared_ptr<const Address> GetSSUAddress (bool v4only = true) const;
 			std::shared_ptr<const Address> GetSSUV6Address () const;
 			std::shared_ptr<const Address> GetYggdrasilAddress () const;
+			std::shared_ptr<const Address> GetSSU2V4Address () const;
+			std::shared_ptr<const Address> GetSSU2V6Address () const;
+			std::shared_ptr<const Address> GetSSU2Address (bool v4) const;
 
 			void AddSSUAddress (const char * host, int port, const uint8_t * key, int mtu = 0);
 			void AddNTCP2Address (const uint8_t * staticKey, const uint8_t * iv,
 				const boost::asio::ip::address& host = boost::asio::ip::address(), int port = 0, uint8_t caps = 0);
+			void AddSSU2Address (const uint8_t * staticKey, const uint8_t * introKey, uint8_t caps = 0); // non published
+			void AddSSU2Address (const uint8_t * staticKey, const uint8_t * introKey,
+				const boost::asio::ip::address& host, int port); // published
 			bool AddIntroducer (const Introducer& introducer);
 			bool RemoveIntroducer (const boost::asio::ip::udp::endpoint& e);
-			void SetProperty (const std::string& key, const std::string& value); // called from RouterContext only
-			void DeleteProperty (const std::string& key); // called from RouterContext only
-			std::string GetProperty (const std::string& key) const; // called from RouterContext only
-			void ClearProperties () { m_Properties.clear (); };
 			void SetUnreachableAddressesTransportCaps (uint8_t transports); // bitmask of AddressCaps
 			void UpdateSupportedTransports ();
 			bool IsFloodfill () const { return m_Caps & Caps::eFloodfill; };
 			bool IsReachable () const { return m_Caps & Caps::eReachable; };
 			bool IsECIES () const { return m_RouterIdentity->GetCryptoKeyType () == i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD; };
 			bool IsSSU (bool v4only = true) const;
-			bool IsSSUV6 () const;
+			bool IsSSUV6 () const { return m_SupportedTransports & eSSUV6; };
 			bool IsNTCP2 (bool v4only = true) const;
-			bool IsNTCP2V6 () const;	
+			bool IsNTCP2V6 () const { return m_SupportedTransports & eNTCP2V6; };
-			bool IsV6 () const;
+			bool IsSSU2V4 () const { return m_SupportedTransports & eSSU2V4; };
-			bool IsV4 () const;
+			bool IsSSU2V6 () const { return m_SupportedTransports & eSSU2V6; };
-			bool IsMesh () const;	
+			bool IsV6 () const { return m_SupportedTransports & (eSSUV6 | eNTCP2V6 | eSSU2V6); };
+			bool IsV4 () const { return m_SupportedTransports & (eSSUV4 | eNTCP2V4 | eSSU2V4); };
+			bool IsMesh () const { return m_SupportedTransports & eNTCP2V6Mesh; };
 			void EnableV6 ();
 			void DisableV6 ();
 			void EnableV4 ();
@@ -215,19 +233,18 @@ namespace data
 			bool IsExtraBandwidth () const { return m_Caps & RouterInfo::eExtraBandwidth; };
 			bool IsEligibleFloodfill () const;
 			bool IsPeerTesting (bool v4) const;
+			bool IsSSU2PeerTesting (bool v4) const;
 			bool IsIntroducer (bool v4) const;
 
 			uint8_t GetCaps () const { return m_Caps; };
-			void SetCaps (uint8_t caps);
+			void SetCaps (uint8_t caps) { m_Caps = caps; };
-			void SetCaps (const char * caps);
 
 			void SetUnreachable (bool unreachable) { m_IsUnreachable = unreachable; };
 			bool IsUnreachable () const { return m_IsUnreachable; };
 
-			const uint8_t * GetBuffer () const { return m_Buffer; };
+			const uint8_t * GetBuffer () const { return m_Buffer->data (); };
 			const uint8_t * LoadBuffer (const std::string& fullPath); // load if necessary
-			int GetBufferLen () const { return m_BufferLen; };
+			size_t GetBufferLen () const { return m_BufferLen; };
-			void CreateBuffer (const PrivateKeys& privateKeys);
 
 			bool IsUpdated () const { return m_IsUpdated; };
 			void SetUpdated (bool updated) { m_IsUpdated = updated; };
@@ -237,11 +254,11 @@ namespace data
 			void SaveProfile () { if (m_Profile) m_Profile->Save (GetIdentHash ()); };
 
 			void Update (const uint8_t * buf, size_t len);
-			void DeleteBuffer () { delete[] m_Buffer; m_Buffer = nullptr; };
+			void DeleteBuffer () { m_Buffer = nullptr; };
 			bool IsNewer (const uint8_t * buf, size_t len) const;
 
 			/** return true if we are in a router family and the signature is valid */
-			bool IsFamily(const std::string & fam) const;
+			bool IsFamily (FamilyID famid) const;
 
 			// implements RoutingDestination
 			std::shared_ptr<const IdentityEx> GetIdentity () const { return m_RouterIdentity; };
@@ -249,36 +266,67 @@ namespace data
 
 			bool IsDestination () const { return false; };
 
+		protected:
+
+			RouterInfo ();
+			uint8_t * GetBufferPointer (size_t offset = 0 ) { return m_Buffer->data () + offset; };
+			void UpdateBuffer (const uint8_t * buf, size_t len);
+			void SetBufferLen (size_t len) { m_BufferLen = len; };
+			void RefreshTimestamp ();
+			const Addresses& GetAddresses () const { return *m_Addresses; };
+
 		private:
 
 			bool LoadFile (const std::string& fullPath);
 			void ReadFromFile (const std::string& fullPath);
 			void ReadFromStream (std::istream& s);
 			void ReadFromBuffer (bool verifySignature);
-			void WriteToStream (std::ostream& s) const;
 			size_t ReadString (char* str, size_t len, std::istream& s) const;
-			void WriteString (const std::string& str, std::ostream& s) const;
 			void ExtractCaps (const char * value);
 			uint8_t ExtractAddressCaps (const char * value) const;
 			template<typename Filter>
 			std::shared_ptr<const Address> GetAddress (Filter filter) const;
-			void UpdateCapsProperty ();
+			virtual std::shared_ptr<Buffer> NewBuffer () const;
 
 		private:
 
-			std::string m_Family;
+			FamilyID m_FamilyID;
 			std::shared_ptr<const IdentityEx> m_RouterIdentity;
-			uint8_t * m_Buffer;
+			std::shared_ptr<Buffer> m_Buffer;
 			size_t m_BufferLen;
 			uint64_t m_Timestamp;
 			boost::shared_ptr<Addresses> m_Addresses; // TODO: use std::shared_ptr and std::atomic_store for gcc >= 4.9
-			std::map<std::string, std::string> m_Properties;
 			bool m_IsUpdated, m_IsUnreachable;
 			CompatibleTransports m_SupportedTransports, m_ReachableTransports;
 			uint8_t m_Caps;
 			int m_Version;
 			mutable std::shared_ptr<RouterProfile> m_Profile;
 	};
+
+	class LocalRouterInfo: public RouterInfo
+	{
+		public:
+
+			LocalRouterInfo () = default;
+			void CreateBuffer (const PrivateKeys& privateKeys);
+			void UpdateCaps (uint8_t caps);
+
+			void SetProperty (const std::string& key, const std::string& value) override;
+			void DeleteProperty (const std::string& key);
+			std::string GetProperty (const std::string& key) const;
+			void ClearProperties () override { m_Properties.clear (); };
+
+		private:
+
+			void WriteToStream (std::ostream& s) const;
+			void UpdateCapsProperty ();
+			void WriteString (const std::string& str, std::ostream& s) const;
+			std::shared_ptr<Buffer> NewBuffer () const override;
+
+		private:
+
+			std::map<std::string, std::string> m_Properties;
+	};
 }
 }
 

libi2pd/SSU.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -11,10 +11,11 @@
 #include "Timestamp.h"
 #include "RouterContext.h"
 #include "NetDb.hpp"
-#include "SSU.h"
+#include "Config.h"
 #include "util.h"
+#include "SSU.h"
 
-#ifdef __linux__
+#if defined(__linux__) && !defined(_NETINET_IN_H)
 	#include <linux/in6.h>
 #endif
 
@@ -33,7 +34,8 @@ namespace transport
 		m_Endpoint (boost::asio::ip::udp::v4 (), port), m_EndpointV6 (boost::asio::ip::udp::v6 (), port),
 		m_Socket (m_ReceiversService), m_SocketV6 (m_ReceiversServiceV6),
 		m_IntroducersUpdateTimer (m_Service), m_IntroducersUpdateTimerV6 (m_Service),
-		m_PeerTestsCleanupTimer (m_Service), m_TerminationTimer (m_Service), m_TerminationTimerV6 (m_Service)
+		m_PeerTestsCleanupTimer (m_Service), m_TerminationTimer (m_Service), m_TerminationTimerV6 (m_Service),
+		m_IsSyncClockFromPeers (true)
 	{
 	}
 
@@ -53,7 +55,7 @@ namespace transport
 		}
 		catch ( std::exception & ex )
 		{
-			LogPrint (eLogError, "SSU: failed to bind to v4 port ", m_Endpoint.port(), ": ", ex.what());
+			LogPrint (eLogError, "SSU: Failed to bind to v4 port ", m_Endpoint.port(), ": ", ex.what());
 			ThrowFatal ("Unable to start IPv4 SSU transport at port ", m_Endpoint.port(), ": ", ex.what ());
 		}
 	}
@@ -66,7 +68,7 @@ namespace transport
 			m_SocketV6.set_option (boost::asio::ip::v6_only (true));
 			m_SocketV6.set_option (boost::asio::socket_base::receive_buffer_size (SSU_SOCKET_RECEIVE_BUFFER_SIZE));
 			m_SocketV6.set_option (boost::asio::socket_base::send_buffer_size (SSU_SOCKET_SEND_BUFFER_SIZE));
-#ifdef __linux__
+#if defined(__linux__) && !defined(_NETINET_IN_H)
 			if (m_EndpointV6.address() == boost::asio::ip::address().from_string("::")) // only if not binded to address
 			{
 				// Set preference to use public IPv6 address -- tested on linux, not works on windows, and not tested on others
@@ -83,13 +85,14 @@ namespace transport
 		}
 		catch ( std::exception & ex )
 		{
-			LogPrint (eLogError, "SSU: failed to bind to v6 port ", m_EndpointV6.port(), ": ", ex.what());
+			LogPrint (eLogError, "SSU: Failed to bind to v6 port ", m_EndpointV6.port(), ": ", ex.what());
 			ThrowFatal ("Unable to start IPv6 SSU transport at port ", m_Endpoint.port(), ": ", ex.what ());
 		}
 	}
 
 	void SSUServer::Start ()
 	{
+		i2p::config::GetOption("nettime.frompeers", m_IsSyncClockFromPeers);
 		m_IsRunning = true;
 		m_Thread = new std::thread (std::bind (&SSUServer::Run, this));
 		if (context.SupportsV4 ())
@@ -156,7 +159,7 @@ namespace transport
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "SSU: server runtime exception: ", ex.what ());
+				LogPrint (eLogError, "SSU: Server runtime exception: ", ex.what ());
 			}
 		}
 	}
@@ -173,7 +176,7 @@ namespace transport
 			}
 			catch (std::exception& ex)
 			{
-				LogPrint (eLogError, "SSU: receivers runtime exception: ", ex.what ());
+				LogPrint (eLogError, "SSU: Receivers runtime exception: ", ex.what ());
 				if (m_IsRunning)
 				{
 					// restart socket
@@ -249,7 +252,7 @@ namespace transport
 
 		if (ec)
 		{
-			LogPrint (eLogError, "SSU: send exception: ", ec.message (), " while trying to send data to ", to.address (), ":", to.port (), " (length: ", len, ")");
+			LogPrint (eLogError, "SSU: Send exception: ", ec.message (), " while trying to send data to ", to.address (), ":", to.port (), " (length: ", len, ")");
 		}
 	}
 
@@ -318,7 +321,7 @@ namespace transport
 			m_PacketsPool.ReleaseMt (packet);
 			if (ecode != boost::asio::error::operation_aborted)
 			{
-				LogPrint (eLogError, "SSU: receive error: code ", ecode.value(), ": ", ecode.message ());
+				LogPrint (eLogError, "SSU: Receive error: code ", ecode.value(), ": ", ecode.message ());
 				m_Socket.close ();
 				OpenSocket ();
 				Receive ();
@@ -409,7 +412,7 @@ namespace transport
 						session = std::make_shared<SSUSession> (*this, packet->from);
 						session->WaitForConnect ();
 						(*sessions)[packet->from] = session;
-						LogPrint (eLogDebug, "SSU: new session from ", packet->from.address ().to_string (), ":", packet->from.port (), " created");
+						LogPrint (eLogDebug, "SSU: New session from ", packet->from.address ().to_string (), ":", packet->from.port (), " created");
 					}
 				}
 				if (session)
@@ -797,7 +800,7 @@ namespace transport
 				if (sessions.empty () && !introducers.empty ())
 				{
 					// bump creation time for previous introducers if no new sessions found
-					LogPrint (eLogDebug, "SSU: no new introducers found. Trying to reuse existing");
+					LogPrint (eLogDebug, "SSU: No new introducers found. Trying to reuse existing");
 					for (const auto& it : introducers)
 					{
 						auto session = FindSession (it);
@@ -847,7 +850,7 @@ namespace transport
 					}
 					else
 					{
-						LogPrint (eLogDebug, "SSU: can't find more introducers");
+						LogPrint (eLogDebug, "SSU: Can't find more introducers");
 						break;
 					}
 				}
@@ -946,10 +949,10 @@ namespace transport
 				{
 					auto session = it.second;
 					if (it.first != session->GetRemoteEndpoint ())
-						LogPrint (eLogWarning, "SSU: remote endpoint ", session->GetRemoteEndpoint (), " doesn't match key ", it.first, " adjusted");
+						LogPrint (eLogWarning, "SSU: Remote endpoint ", session->GetRemoteEndpoint (), " doesn't match key ", it.first, " adjusted");
 					m_Service.post ([session]
 						{
-							LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
+							LogPrint (eLogWarning, "SSU: No activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
 							session->Failed ();
 						});
 				}
@@ -977,10 +980,10 @@ namespace transport
 				{
 					auto session = it.second;
 					if (it.first != session->GetRemoteEndpoint ())
-						LogPrint (eLogWarning, "SSU: remote endpoint ", session->GetRemoteEndpoint (), " doesn't match key ", it.first);
+						LogPrint (eLogWarning, "SSU: Remote endpoint ", session->GetRemoteEndpoint (), " doesn't match key ", it.first);
 					m_Service.post ([session]
 						{
-							LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
+							LogPrint (eLogWarning, "SSU: No activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
 							session->Failed ();
 						});
 				}

libi2pd/SSU.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2021, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -69,6 +69,7 @@ namespace transport
 			i2p::util::MemoryPool<SentMessage>& GetSentMessagesPool () { return m_SentMessagesPool; };
 
 			uint16_t GetPort () const { return m_Endpoint.port (); };
+			bool IsSyncClockFromPeers () const { return m_IsSyncClockFromPeers; };
 			void SetLocalAddress (const boost::asio::ip::address& localAddress);
 
 			void Send (const uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& to);
@@ -136,6 +137,7 @@ namespace transport
 			boost::asio::ip::udp::socket m_Socket, m_SocketV6;
 			boost::asio::deadline_timer m_IntroducersUpdateTimer, m_IntroducersUpdateTimerV6,
 				m_PeerTestsCleanupTimer, m_TerminationTimer, m_TerminationTimerV6;
+			bool m_IsSyncClockFromPeers;
 			std::list<boost::asio::ip::udp::endpoint> m_Introducers, m_IntroducersV6; // introducers we are connected to
 			std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSUSession> > m_Sessions, m_SessionsV6;
 			std::map<uint32_t, std::shared_ptr<SSUSession> > m_Relays; // we are introducer

libi2pd/SSU2.cpp

@@ -0,0 +1,715 @@
+/*
+* Copyright (c) 2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#include "Log.h"
+#include "RouterContext.h"
+#include "Transports.h"
+#include "NetDb.hpp"
+#include "Config.h"
+#include "SSU2.h"
+
+namespace i2p
+{
+namespace transport
+{	
+	SSU2Server::SSU2Server ():
+		RunnableServiceWithWork ("SSU2"), m_ReceiveService ("SSU2r"),
+		m_SocketV4 (m_ReceiveService.GetService ()), m_SocketV6 (m_ReceiveService.GetService ()),
+		m_AddressV4 (boost::asio::ip::address_v4()), m_AddressV6 (boost::asio::ip::address_v6()),
+		m_TerminationTimer (GetService ()), m_ResendTimer (GetService ())
+	{
+	}
+
+	void SSU2Server::Start ()
+	{
+		if (!IsRunning ())
+		{
+			StartIOService ();
+			bool found = false;
+			auto& addresses = i2p::context.GetRouterInfo ().GetAddresses ();
+			for (const auto& address: addresses)
+			{
+				if (!address) continue;
+				if (address->transportStyle == i2p::data::RouterInfo::eTransportSSU2)
+				{
+					auto port = address->port;
+					if (!port)
+					{
+						uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
+						if (ssu2Port) port = ssu2Port;
+						else
+						{
+							uint16_t p; i2p::config::GetOption ("port", p);
+							if (p) port = p;
+						}
+					}
+					if (port)
+					{
+						if (address->IsV4 ())
+						{
+							found = true;
+							OpenSocket (boost::asio::ip::udp::endpoint (m_AddressV4, port));
+							m_ReceiveService.GetService ().post(
+								[this]()
+								{
+									Receive (m_SocketV4);
+								});
+						}
+						if (address->IsV6 ())
+						{
+							found = true;
+							OpenSocket (boost::asio::ip::udp::endpoint (m_AddressV6, port));
+							m_ReceiveService.GetService ().post(
+							[this]()
+								{
+									Receive (m_SocketV6);
+								});
+						}
+					}
+					else
+						LogPrint (eLogError, "SSU2: Can't start server because port not specified");
+				}
+			}
+			if (found)
+				m_ReceiveService.Start ();
+			ScheduleTermination ();
+		}
+	}
+
+	void SSU2Server::Stop ()
+	{
+		for (auto& it: m_Sessions)
+			it.second->Done ();
+		m_Sessions.clear ();
+		m_SessionsByRouterHash.clear ();
+		m_PendingOutgoingSessions.clear ();
+
+		if (context.SupportsV4 () || context.SupportsV6 ())
+			m_ReceiveService.Stop ();
+
+		m_SocketV4.close ();
+		m_SocketV6.close ();
+		if (IsRunning ())
+			m_TerminationTimer.cancel ();
+		
+		StopIOService ();
+	}
+
+	void SSU2Server::SetLocalAddress (const boost::asio::ip::address& localAddress)
+	{
+		if (localAddress.is_unspecified ()) return;
+		if (localAddress.is_v4 ())
+			m_AddressV4 = localAddress;
+		else if (localAddress.is_v6 ())
+			m_AddressV6 = localAddress;
+	}	
+
+	bool SSU2Server::IsSupported (const boost::asio::ip::address& addr) const
+	{
+		if (addr.is_v4 ())
+		{	
+			if (m_SocketV4.is_open ()) 
+				return true;
+		}	
+		else if (addr.is_v6 ())
+		{	
+			if (m_SocketV6.is_open ()) 
+				return true;
+		}
+		return false;
+	}	
+		
+	boost::asio::ip::udp::socket& SSU2Server::OpenSocket (const boost::asio::ip::udp::endpoint& localEndpoint)
+	{
+		boost::asio::ip::udp::socket& socket = localEndpoint.address ().is_v6 () ? m_SocketV6 : m_SocketV4;
+		try
+		{
+			socket.open (localEndpoint.protocol ());
+			if (localEndpoint.address ().is_v6 ())
+				socket.set_option (boost::asio::ip::v6_only (true));
+			socket.set_option (boost::asio::socket_base::receive_buffer_size (SSU2_SOCKET_RECEIVE_BUFFER_SIZE));
+			socket.set_option (boost::asio::socket_base::send_buffer_size (SSU2_SOCKET_SEND_BUFFER_SIZE));
+			socket.bind (localEndpoint);
+			LogPrint (eLogInfo, "SSU2: Start listening on ", localEndpoint);
+		}
+		catch (std::exception& ex )
+		{
+			LogPrint (eLogError, "SSU2: Failed to bind to ", localEndpoint, ": ", ex.what());
+			ThrowFatal ("Unable to start SSU2 transport on ", localEndpoint, ": ", ex.what ());
+		}
+		return socket;
+	}
+
+	void SSU2Server::Receive (boost::asio::ip::udp::socket& socket)
+	{
+		Packet * packet = m_PacketsPool.AcquireMt ();
+		socket.async_receive_from (boost::asio::buffer (packet->buf, SSU2_MTU), packet->from,
+			std::bind (&SSU2Server::HandleReceivedFrom, this, std::placeholders::_1, std::placeholders::_2, packet, std::ref (socket)));
+	}
+
+	void SSU2Server::HandleReceivedFrom (const boost::system::error_code& ecode, size_t bytes_transferred,
+		Packet * packet, boost::asio::ip::udp::socket& socket)
+	{
+		if (!ecode)
+		{
+			i2p::transport::transports.UpdateReceivedBytes (bytes_transferred);
+			packet->len = bytes_transferred;
+
+			boost::system::error_code ec;
+			size_t moreBytes = socket.available (ec);
+			if (!ec && moreBytes)
+			{
+				std::vector<Packet *> packets;
+				packets.push_back (packet);
+				while (moreBytes && packets.size () < 32)
+				{
+					packet = m_PacketsPool.AcquireMt ();
+					packet->len = socket.receive_from (boost::asio::buffer (packet->buf, SSU2_MTU), packet->from, 0, ec);
+					if (!ec)
+					{
+						i2p::transport::transports.UpdateReceivedBytes (packet->len);
+						packets.push_back (packet);
+						moreBytes = socket.available(ec);
+						if (ec) break;
+					}
+					else
+					{
+						LogPrint (eLogError, "SSU2: receive_from error: code ", ec.value(), ": ", ec.message ());
+						m_PacketsPool.ReleaseMt (packet);
+						break;
+					}
+				}
+				GetService ().post (std::bind (&SSU2Server::HandleReceivedPackets, this, packets));
+			}
+			else
+				GetService ().post (std::bind (&SSU2Server::HandleReceivedPacket, this, packet));
+			Receive (socket);
+		}
+		else
+		{
+			m_PacketsPool.ReleaseMt (packet);
+			if (ecode != boost::asio::error::operation_aborted)
+			{
+				LogPrint (eLogError, "SSU2: Receive error: code ", ecode.value(), ": ", ecode.message ());
+				auto ep = socket.local_endpoint ();
+				socket.close ();
+				OpenSocket (ep);
+				Receive (socket);
+			}
+		}
+	}
+
+	void SSU2Server::HandleReceivedPacket (Packet * packet)
+	{
+		if (packet)
+		{
+			ProcessNextPacket (packet->buf, packet->len, packet->from);
+			m_PacketsPool.ReleaseMt (packet);
+			if (m_LastSession) m_LastSession->FlushData ();
+		}
+	}
+
+	void SSU2Server::HandleReceivedPackets (std::vector<Packet *> packets)
+	{
+		for (auto& packet: packets)
+			ProcessNextPacket (packet->buf, packet->len, packet->from);
+		m_PacketsPool.ReleaseMt (packets);
+		if (m_LastSession) m_LastSession->FlushData ();
+	}
+
+	void SSU2Server::AddSession (std::shared_ptr<SSU2Session> session)
+	{
+		if (session)
+		{
+			m_Sessions.emplace (session->GetConnID (), session);
+			AddSessionByRouterHash (session);
+		}
+	}
+
+	void SSU2Server::RemoveSession (uint64_t connID)
+	{
+		auto it = m_Sessions.find (connID);
+		if (it != m_Sessions.end ())
+		{
+			auto ident = it->second->GetRemoteIdentity ();
+			if (ident)
+				m_SessionsByRouterHash.erase (ident->GetIdentHash ());
+			m_Sessions.erase (it);
+		}
+	}
+		
+	void SSU2Server::AddSessionByRouterHash (std::shared_ptr<SSU2Session> session)
+	{
+		if (session)
+		{
+			auto ident = session->GetRemoteIdentity ();
+			if (ident)
+			{
+				auto ret = m_SessionsByRouterHash.emplace (ident->GetIdentHash (), session);
+				if (!ret.second)
+				{
+					// session already exists
+					LogPrint (eLogWarning, "SSU2: Session to ", ident->GetIdentHash ().ToBase64 (), " aready exists");
+					// terminate existing
+					GetService ().post (std::bind (&SSU2Session::Terminate, ret.first->second));
+					// update session
+					ret.first->second = session;
+				}
+			}
+		}
+	}
+
+	bool SSU2Server::AddPendingOutgoingSession (std::shared_ptr<SSU2Session> session)
+	{
+		if (!session) return false;
+		return m_PendingOutgoingSessions.emplace (session->GetRemoteEndpoint (), session).second;
+	}
+
+	std::shared_ptr<SSU2Session> SSU2Server::FindSession (const i2p::data::IdentHash& ident) const
+	{
+		auto it = m_SessionsByRouterHash.find (ident);
+		if (it != m_SessionsByRouterHash.end ())
+			return it->second;
+		return nullptr;
+	}	
+
+	std::shared_ptr<SSU2Session> SSU2Server::FindPendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep) const
+	{		
+		auto it = m_PendingOutgoingSessions.find (ep);
+		if (it != m_PendingOutgoingSessions.end ())
+			return it->second;
+		return nullptr;
+	}
+
+	void SSU2Server::RemovePendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep)
+	{
+		m_PendingOutgoingSessions.erase (ep);
+	}	
+		
+	std::shared_ptr<SSU2Session> SSU2Server::GetRandomSession (
+		i2p::data::RouterInfo::CompatibleTransports remoteTransports, const i2p::data::IdentHash& excluded) const
+	{
+		if (m_Sessions.empty ()) return nullptr;
+		uint16_t ind;
+		RAND_bytes ((uint8_t *)&ind, sizeof (ind));
+		ind %= m_Sessions.size ();
+		auto it = m_Sessions.begin ();
+		std::advance (it, ind);
+		while (it != m_Sessions.end ())
+		{
+			if ((it->second->GetRemoteTransports () & remoteTransports) && 
+			    it->second->GetRemoteIdentity ()->GetIdentHash () != excluded)
+				return it->second;
+			it++;
+		}
+		// not found, try from begining
+		it = m_Sessions.begin ();
+		while (it != m_Sessions.end () && ind)
+		{
+			if ((it->second->GetRemoteTransports () & remoteTransports) && 
+			    it->second->GetRemoteIdentity ()->GetIdentHash () != excluded)
+				return it->second;
+			it++; ind--;
+		}	
+		return nullptr;
+	}	
+		
+	void SSU2Server::AddRelay (uint32_t tag, std::shared_ptr<SSU2Session> relay)
+	{
+		m_Relays.emplace (tag, relay);
+	}
+
+	void SSU2Server::RemoveRelay (uint32_t tag)
+	{
+		m_Relays.erase (tag);
+	}
+
+	std::shared_ptr<SSU2Session> SSU2Server::FindRelaySession (uint32_t tag)
+	{
+		auto it = m_Relays.find (tag);
+		if (it != m_Relays.end ())
+		{
+			if (it->second->IsEstablished ())
+				return it->second;
+			else
+				m_Relays.erase (it);
+		}
+		return nullptr;
+	}
+
+	void SSU2Server::ProcessNextPacket (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint)
+	{
+		if (len < 24) return;
+		uint64_t connID;
+		memcpy (&connID, buf, 8);
+		connID ^= CreateHeaderMask (i2p::context.GetSSU2IntroKey (), buf + (len - 24));
+		if (!m_LastSession || m_LastSession->GetConnID () != connID)
+		{
+			if (m_LastSession) m_LastSession->FlushData ();
+			auto it = m_Sessions.find (connID);
+			if (it != m_Sessions.end ())
+				m_LastSession = it->second;
+			else
+				m_LastSession = nullptr;
+		}
+		if (m_LastSession)
+		{
+			switch (m_LastSession->GetState ())
+			{
+				case eSSU2SessionStateEstablished:
+				case eSSU2SessionStateSessionConfirmedSent:	
+					m_LastSession->ProcessData (buf, len);
+				break;
+				case eSSU2SessionStateSessionCreatedSent:
+					m_LastSession->ProcessSessionConfirmed (buf, len);
+				break;
+				case eSSU2SessionStateIntroduced:
+					if (m_LastSession->GetRemoteEndpoint ().address ().is_unspecified ())	
+						m_LastSession->SetRemoteEndpoint (senderEndpoint);
+					if (m_LastSession->GetRemoteEndpoint () == senderEndpoint)
+						m_LastSession->ProcessHolePunch (buf, len);
+					else
+					{
+						LogPrint (eLogWarning, "SSU2: HolePunch endpoint ", senderEndpoint,
+							" doesn't match RelayResponse ", m_LastSession->GetRemoteEndpoint ());
+						m_LastSession->Terminate ();
+						m_LastSession = nullptr;	
+					}		
+				break;
+				case eSSU2SessionStatePeerTest:
+					m_LastSession->SetRemoteEndpoint (senderEndpoint);
+					m_LastSession->ProcessPeerTest (buf, len);
+				break;
+				case eSSU2SessionStateTerminated:
+					m_LastSession = nullptr;
+				break;	
+				default:
+					LogPrint (eLogWarning, "SSU2: Invalid session state ", (int)m_LastSession->GetState ());
+			}
+		}
+		else
+		{
+			// check pending sessions if it's SessionCreated or Retry
+			auto it1 = m_PendingOutgoingSessions.find (senderEndpoint);
+			if (it1 != m_PendingOutgoingSessions.end ())
+			{
+				if (it1->second->GetState () == eSSU2SessionStateSessionRequestSent &&
+					it1->second->ProcessSessionCreated (buf, len))
+					m_PendingOutgoingSessions.erase (it1); // we are done with that endpoint			
+				else
+					it1->second->ProcessRetry (buf, len);
+			}
+			else
+			{
+				// assume new incoming session
+				auto session = std::make_shared<SSU2Session> (*this);
+				session->SetRemoteEndpoint (senderEndpoint);
+				session->ProcessFirstIncomingMessage (connID, buf, len);
+			}
+		}
+	}
+
+	void SSU2Server::Send (const uint8_t * header, size_t headerLen, const uint8_t * payload, size_t payloadLen,
+		const boost::asio::ip::udp::endpoint& to)
+	{
+		std::vector<boost::asio::const_buffer> bufs
+		{
+			boost::asio::buffer (header, headerLen),
+			boost::asio::buffer (payload, payloadLen)
+		};
+		boost::system::error_code ec;
+		if (to.address ().is_v6 ())
+			m_SocketV6.send_to (bufs, to, 0, ec);
+		else
+			m_SocketV4.send_to (bufs, to, 0, ec);
+		if (!ec)
+			i2p::transport::transports.UpdateSentBytes (headerLen + payloadLen);
+		else
+			LogPrint (eLogError, "SSU2: Send exception: ", ec.message (), " to ", to);
+	}
+
+	void SSU2Server::Send (const uint8_t * header, size_t headerLen, const uint8_t * headerX, size_t headerXLen,
+		const uint8_t * payload, size_t payloadLen, const boost::asio::ip::udp::endpoint& to)
+	{
+		std::vector<boost::asio::const_buffer> bufs
+		{
+			boost::asio::buffer (header, headerLen),
+			boost::asio::buffer (headerX, headerXLen),
+			boost::asio::buffer (payload, payloadLen)
+		};
+		boost::system::error_code ec;
+		if (to.address ().is_v6 ())
+			m_SocketV6.send_to (bufs, to, 0, ec);
+		else
+			m_SocketV4.send_to (bufs, to, 0, ec);
+
+		if (!ec)
+			i2p::transport::transports.UpdateSentBytes (headerLen + headerXLen + payloadLen);
+		else
+			LogPrint (eLogError, "SSU2: Send exception: ", ec.message (), " to ", to);
+	}
+
+	bool SSU2Server::CreateSession (std::shared_ptr<const i2p::data::RouterInfo> router,
+		std::shared_ptr<const i2p::data::RouterInfo::Address> address, bool peerTest)
+	{
+		if (router && address)
+		{
+			// check is no peding session
+			bool isValidEndpoint = !address->host.is_unspecified () && address->port;
+			if (isValidEndpoint)
+			{	
+				auto s = FindPendingOutgoingSession (boost::asio::ip::udp::endpoint (address->host, address->port));
+				if (s)
+				{	
+					if (peerTest)
+					{
+						// if peer test requested add it to the list for pending session
+						auto onEstablished = s->GetOnEstablished ();
+						if (onEstablished)
+							s->SetOnEstablished ([s, onEstablished]() 
+								{ 
+									onEstablished (); 
+									s->SendPeerTest (); 
+								 });
+						else	
+							s->SetOnEstablished ([s]() { s->SendPeerTest (); });
+					}	
+					return false;
+				}	
+			}	
+			
+			auto session = std::make_shared<SSU2Session> (*this, router, address);
+			if (peerTest)
+				session->SetOnEstablished ([session]() {session->SendPeerTest (); });
+
+			if (address->UsesIntroducer ())
+				GetService ().post (std::bind (&SSU2Server::ConnectThroughIntroducer, this, session));
+			else if (isValidEndpoint) // we can't connect without endpoint				
+				GetService ().post ([session]() { session->Connect (); });
+			else
+				return false;
+		}
+		else
+			return false;
+		return true;
+	}
+
+	void SSU2Server::ConnectThroughIntroducer (std::shared_ptr<SSU2Session> session)
+	{
+		if (!session) return;
+		auto address = session->GetAddress ();
+		if (!address) return;
+		session->WaitForIntroduction ();
+		// try to find existing session first
+		for (auto& it: address->ssu->introducers)
+		{
+			auto it1 = m_SessionsByRouterHash.find (it.iKey);
+			if (it1 != m_SessionsByRouterHash.end ())
+			{
+				it1->second->Introduce (session, it.iTag);
+				return;
+			}
+		}
+		// we have to start a new session to an introducer
+		auto ts = i2p::util::GetSecondsSinceEpoch ();
+		std::shared_ptr<i2p::data::RouterInfo> r;
+		uint32_t relayTag = 0;
+		for (auto& it: address->ssu->introducers)
+		{
+			if (it.iTag && ts < it.iExp)
+			{	
+				r = i2p::data::netdb.FindRouter (it.iKey);
+				if (r && r->IsReachableFrom (i2p::context.GetRouterInfo ()))
+				{
+					relayTag = it.iTag;
+					if (relayTag) break;
+				}
+			}	
+		}
+		if (r)
+		{
+			if (relayTag)
+			{
+				// introducer and tag found connect to it through SSU2
+				auto addr = address->IsV6 () ? r->GetSSU2V6Address () : r->GetSSU2V4Address ();
+				if (addr)
+				{
+					bool isValidEndpoint = !addr->host.is_unspecified () && addr->port;
+					if (isValidEndpoint)
+					{	
+						auto s = FindPendingOutgoingSession (boost::asio::ip::udp::endpoint (addr->host, addr->port));
+						if (!s)
+						{	
+							s = std::make_shared<SSU2Session> (*this, r, addr);
+							s->SetOnEstablished ([session, s, relayTag]() { s->Introduce (session, relayTag); });
+							s->Connect ();
+						}
+						else
+						{
+							auto onEstablished = s->GetOnEstablished ();
+							if (onEstablished)
+								s->SetOnEstablished ([session, s, relayTag, onEstablished]()
+									{
+										onEstablished ();
+										s->Introduce (session, relayTag);
+									});
+							else	
+								s->SetOnEstablished ([session, s, relayTag]() {s->Introduce (session, relayTag); });
+						}	
+					}	
+				}
+			}
+		}
+		else
+		{
+			// introducers not found, try to request them
+			for (auto& it: address->ssu->introducers)
+				if (it.iTag && ts < it.iExp)
+					i2p::data::netdb.RequestDestination (it.iKey);
+		}
+	}
+
+	bool SSU2Server::StartPeerTest (std::shared_ptr<const i2p::data::RouterInfo> router, bool v4)
+	{
+		if (!router) return false;
+		auto addr = v4 ? router->GetSSU2V4Address () : router->GetSSU2V6Address ();
+		if (!addr) return false;
+		auto it = m_SessionsByRouterHash.find (router->GetIdentHash ());
+		if (it != m_SessionsByRouterHash.end ())
+		{
+			auto s = it->second;
+			if (it->second->IsEstablished ())
+				GetService ().post ([s]() { s->SendPeerTest (); });
+			else	
+				s->SetOnEstablished ([s]() { s->SendPeerTest (); });	
+			return true;	
+		}	
+		CreateSession (router, addr, true);
+		return true;
+	}	
+		
+	void SSU2Server::ScheduleTermination ()
+	{
+		m_TerminationTimer.expires_from_now (boost::posix_time::seconds(SSU2_TERMINATION_CHECK_TIMEOUT));
+		m_TerminationTimer.async_wait (std::bind (&SSU2Server::HandleTerminationTimer,
+			this, std::placeholders::_1));
+	}
+
+	void SSU2Server::HandleTerminationTimer (const boost::system::error_code& ecode)
+	{
+		if (ecode != boost::asio::error::operation_aborted)
+		{
+			auto ts = i2p::util::GetSecondsSinceEpoch ();
+			for (auto it = m_PendingOutgoingSessions.begin (); it != m_PendingOutgoingSessions.end ();)
+			{
+				if (it->second->IsTerminationTimeoutExpired (ts))
+				{
+					//it->second->Terminate ();
+					it = m_PendingOutgoingSessions.erase (it);
+				}
+				else
+					it++;
+			}
+
+			for (auto it = m_Sessions.begin (); it != m_Sessions.end ();)
+			{
+				if (it->second->GetState () == eSSU2SessionStateTerminated ||
+					it->second->IsTerminationTimeoutExpired (ts))
+				{
+					if (it->second->IsEstablished ())
+						it->second->TerminateByTimeout ();
+					if (it->second == m_LastSession)
+						m_LastSession = nullptr;
+					it = m_Sessions.erase (it);
+				}
+				else
+				{
+					it->second->CleanUp (ts);
+					it++;
+				}
+			}
+
+			for (auto it = m_IncomingTokens.begin (); it != m_IncomingTokens.end (); )
+			{
+				if (ts > it->second.second)
+					it = m_IncomingTokens.erase (it);
+				else
+					it++;
+			}
+
+			for (auto it = m_OutgoingTokens.begin (); it != m_OutgoingTokens.end (); )
+			{
+				if (ts > it->second.second)
+					it = m_OutgoingTokens.erase (it);
+				else
+					it++;
+			}
+
+			ScheduleTermination ();
+		}
+	}
+
+	void SSU2Server::ScheduleResend ()
+	{
+		m_ResendTimer.expires_from_now (boost::posix_time::seconds(SSU2_RESEND_INTERVAL));
+		m_ResendTimer.async_wait (std::bind (&SSU2Server::HandleResendTimer,
+			this, std::placeholders::_1));
+	}
+
+	void SSU2Server::HandleResendTimer (const boost::system::error_code& ecode)
+	{
+		if (ecode != boost::asio::error::operation_aborted)
+		{
+			auto ts = i2p::util::GetSecondsSinceEpoch ();
+			for (auto it: m_Sessions)
+				it.second->Resend (ts);
+			for (auto it: m_PendingOutgoingSessions)
+				it.second->Resend (ts);
+			ScheduleResend ();
+		}
+	}
+
+	void SSU2Server::UpdateOutgoingToken (const boost::asio::ip::udp::endpoint& ep, uint64_t token, uint32_t exp)
+	{
+		m_OutgoingTokens[ep] = {token, exp};
+	}
+
+	uint64_t SSU2Server::FindOutgoingToken (const boost::asio::ip::udp::endpoint& ep) const
+	{
+		auto it = m_OutgoingTokens.find (ep);
+		if (it != m_OutgoingTokens.end ())
+		{
+			if (i2p::util::GetSecondsSinceEpoch () + SSU2_TOKEN_EXPIRATION_THRESHOLD > it->second.second)
+				return 0; // token expired
+			return it->second.first;
+		}	
+		return 0;
+	}
+
+	uint64_t SSU2Server::GetIncomingToken (const boost::asio::ip::udp::endpoint& ep)
+	{
+		auto it = m_IncomingTokens.find (ep);
+		if (it != m_IncomingTokens.end ())
+			return it->second.first;
+		uint64_t token;
+		RAND_bytes ((uint8_t *)&token, 8);
+		m_IncomingTokens.emplace (ep, std::make_pair (token, i2p::util::GetSecondsSinceEpoch () + SSU2_TOKEN_EXPIRATION_TIMEOUT));
+		return token;
+	}
+
+	std::pair<uint64_t, uint32_t> SSU2Server::NewIncomingToken (const boost::asio::ip::udp::endpoint& ep)
+	{
+		m_IncomingTokens.erase (ep); // drop previous
+		uint64_t token;
+		RAND_bytes ((uint8_t *)&token, 8);
+		auto ret = std::make_pair (token, i2p::util::GetSecondsSinceEpoch () + SSU2_NEXT_TOKEN_EXPIRATION_TIMEOUT); 
+		m_IncomingTokens.emplace (ep, ret);
+		return ret;
+	}	
+}
+}

libi2pd/SSU2.h

@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#ifndef SSU2_H__
+#define SSU2_H__
+
+#include <unordered_map>
+#include "util.h"
+#include "SSU2Session.h"
+
+namespace i2p
+{
+namespace transport
+{
+	const int SSU2_TERMINATION_CHECK_TIMEOUT = 30; // 30 seconds
+	const size_t SSU2_SOCKET_RECEIVE_BUFFER_SIZE = 0x1FFFF; // 128K
+	const size_t SSU2_SOCKET_SEND_BUFFER_SIZE = 0x1FFFF; // 128K
+		
+	class SSU2Server: private i2p::util::RunnableServiceWithWork
+	{
+		struct Packet
+		{
+			uint8_t buf[SSU2_MTU];
+			size_t len;
+			boost::asio::ip::udp::endpoint from;
+		};
+
+		class ReceiveService: public i2p::util::RunnableService
+		{
+			public:
+
+				ReceiveService (const std::string& name): RunnableService (name) {};
+				boost::asio::io_service& GetService () { return GetIOService (); };
+				void Start () { StartIOService (); };
+				void Stop () { StopIOService (); };
+		};
+
+		public:
+
+			SSU2Server ();
+			~SSU2Server () {};
+
+			void Start ();
+			void Stop ();
+			boost::asio::io_service& GetService () { return GetIOService (); };
+			void SetLocalAddress (const boost::asio::ip::address& localAddress);
+			bool IsSupported (const boost::asio::ip::address& addr) const;
+		
+			void AddSession (std::shared_ptr<SSU2Session> session);
+			void RemoveSession (uint64_t connID);
+			void AddSessionByRouterHash (std::shared_ptr<SSU2Session> session);
+			bool AddPendingOutgoingSession (std::shared_ptr<SSU2Session> session);
+			void RemovePendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep);
+			std::shared_ptr<SSU2Session> FindSession (const i2p::data::IdentHash& ident) const;
+			std::shared_ptr<SSU2Session> FindPendingOutgoingSession (const boost::asio::ip::udp::endpoint& ep) const;
+			std::shared_ptr<SSU2Session> GetRandomSession (i2p::data::RouterInfo::CompatibleTransports remoteTransports,
+				const i2p::data::IdentHash& excluded) const;
+		
+			void AddRelay (uint32_t tag, std::shared_ptr<SSU2Session> relay);
+			void RemoveRelay (uint32_t tag);
+			std::shared_ptr<SSU2Session> FindRelaySession (uint32_t tag);
+
+			void Send (const uint8_t * header, size_t headerLen, const uint8_t * payload, size_t payloadLen,
+				const boost::asio::ip::udp::endpoint& to);
+			void Send (const uint8_t * header, size_t headerLen, const uint8_t * headerX, size_t headerXLen,
+				const uint8_t * payload, size_t payloadLen, const boost::asio::ip::udp::endpoint& to);
+
+			bool CreateSession (std::shared_ptr<const i2p::data::RouterInfo> router,
+				std::shared_ptr<const i2p::data::RouterInfo::Address> address, bool peerTest = false);
+			bool StartPeerTest (std::shared_ptr<const i2p::data::RouterInfo> router, bool v4);
+			
+			void UpdateOutgoingToken (const boost::asio::ip::udp::endpoint& ep, uint64_t token, uint32_t exp);
+			uint64_t FindOutgoingToken (const boost::asio::ip::udp::endpoint& ep) const;
+			uint64_t GetIncomingToken (const boost::asio::ip::udp::endpoint& ep);
+			std::pair<uint64_t, uint32_t> NewIncomingToken (const boost::asio::ip::udp::endpoint& ep);
+		
+
+		private:
+
+			boost::asio::ip::udp::socket& OpenSocket (const boost::asio::ip::udp::endpoint& localEndpoint);
+			void Receive (boost::asio::ip::udp::socket& socket);
+			void HandleReceivedFrom (const boost::system::error_code& ecode, size_t bytes_transferred,
+				Packet * packet, boost::asio::ip::udp::socket& socket);
+			void HandleReceivedPacket (Packet * packet);
+			void HandleReceivedPackets (std::vector<Packet *> packets);
+			void ProcessNextPacket (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint);
+
+			void ScheduleTermination ();
+			void HandleTerminationTimer (const boost::system::error_code& ecode);
+
+			void ScheduleResend ();
+			void HandleResendTimer (const boost::system::error_code& ecode);
+
+			void ConnectThroughIntroducer (std::shared_ptr<SSU2Session> session);
+
+		private:
+
+			ReceiveService m_ReceiveService;
+			boost::asio::ip::udp::socket m_SocketV4, m_SocketV6;
+			boost::asio::ip::address m_AddressV4, m_AddressV6;
+			std::unordered_map<uint64_t, std::shared_ptr<SSU2Session> > m_Sessions;
+			std::map<i2p::data::IdentHash, std::shared_ptr<SSU2Session> > m_SessionsByRouterHash;
+			std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSU2Session> > m_PendingOutgoingSessions;
+			std::map<boost::asio::ip::udp::endpoint, std::pair<uint64_t, uint32_t> > m_IncomingTokens, m_OutgoingTokens; // remote endpoint -> (token, expires in seconds)
+			std::map<uint32_t, std::shared_ptr<SSU2Session> > m_Relays; // we are introducer, relay tag -> session
+			i2p::util::MemoryPoolMt<Packet> m_PacketsPool;
+			boost::asio::deadline_timer m_TerminationTimer, m_ResendTimer;
+			std::shared_ptr<SSU2Session> m_LastSession;
+
+		public:
+
+			// for HTTP/I2PControl
+			const decltype(m_Sessions)& GetSSU2Sessions () const { return m_Sessions; };
+	};
+}
+}
+
+#endif

libi2pd/SSU2Session.h

@@ -0,0 +1,301 @@
+/*
+* Copyright (c) 2022, The PurpleI2P Project
+*
+* This file is part of Purple i2pd project and licensed under BSD3
+*
+* See full license text in LICENSE file at top of project tree
+*/
+
+#ifndef SSU2_SESSION_H__
+#define SSU2_SESSION_H__
+
+#include <memory>
+#include <functional>
+#include <map>
+#include <set>
+#include <list>
+#include <boost/asio.hpp>
+#include "Crypto.h"
+#include "RouterInfo.h"
+#include "TransportSession.h"
+
+namespace i2p
+{
+namespace transport
+{
+	const int SSU2_CONNECT_TIMEOUT = 5; // 5 seconds
+	const int SSU2_TERMINATION_TIMEOUT = 330; // 5.5 minutes
+	const int SSU2_TOKEN_EXPIRATION_TIMEOUT = 9; // for Retry message, in seconds
+	const int SSU2_NEXT_TOKEN_EXPIRATION_TIMEOUT = 52*60; // for next token block, in seconds
+	const int SSU2_TOKEN_EXPIRATION_THRESHOLD = 2; // in seconds
+	const int SSU2_RELAY_NONCE_EXPIRATION_TIMEOUT = 10; // in seconds
+	const int SSU2_PEER_TEST_EXPIRATION_TIMEOUT = 60; // 60 seconds
+	const size_t SSU2_MTU = 1440; // TODO: should be 1456 for ipv4
+	const size_t SSU2_MAX_PAYLOAD_SIZE = SSU2_MTU - 32;
+	const int SSU2_HANDSHAKE_RESEND_INTERVAL = 1; // in seconds
+	const int SSU2_RESEND_INTERVAL = 3; // in seconds
+	const int SSU2_MAX_NUM_RESENDS = 5;
+	const int SSU2_INCOMPLETE_MESSAGES_CLEANUP_TIMEOUT = 30; // in seconds
+	const size_t SSU2_MAX_WINDOW_SIZE = 128; // in packets
+	const int SSU2_MAX_NUM_ACK_RANGES = 32; // to send
+
+	enum SSU2MessageType
+	{
+		eSSU2SessionRequest = 0,
+		eSSU2SessionCreated = 1,
+		eSSU2SessionConfirmed = 2,
+		eSSU2Data = 6,
+		eSSU2PeerTest = 7,
+		eSSU2Retry = 9,
+		eSSU2TokenRequest = 10,
+		eSSU2HolePunch = 11
+	};
+
+	enum SSU2BlockType
+	{
+		eSSU2BlkDateTime = 0,
+		eSSU2BlkOptions, // 1
+		eSSU2BlkRouterInfo, // 2
+		eSSU2BlkI2NPMessage, // 3
+		eSSU2BlkFirstFragment, // 4
+		eSSU2BlkFollowOnFragment, // 5
+		eSSU2BlkTermination, // 6
+		eSSU2BlkRelayRequest, // 7
+		eSSU2BlkRelayResponse, // 8
+		eSSU2BlkRelayIntro, // 9
+		eSSU2BlkPeerTest, // 10
+		eSSU2BlkNextNonce, // 11
+		eSSU2BlkAck, // 12
+		eSSU2BlkAddress, // 13
+		eSSU2BlkIntroKey, // 14
+		eSSU2BlkRelayTagRequest, // 15
+		eSSU2BlkRelayTag, // 16
+		eSSU2BlkNewToken, // 17
+		eSSU2BlkPathChallenge, // 18
+		eSSU2BlkPathResponse, // 19
+		eSSU2BlkFirstPacketNumber, // 20
+		eSSU2BlkPadding = 254
+	};
+
+	enum SSU2SessionState
+	{
+		eSSU2SessionStateUnknown,
+		eSSU2SessionStateTokenReceived,
+		eSSU2SessionStateSessionRequestSent,
+		eSSU2SessionStateSessionCreatedSent,
+		eSSU2SessionStateSessionConfirmedSent,
+		eSSU2SessionStateEstablished,
+		eSSU2SessionStateTerminated,
+		eSSU2SessionStateFailed,
+		eSSU2SessionStateIntroduced,
+		eSSU2SessionStatePeerTest,
+		eSSU2SessionStatePeerTestReceived // 5 before 4
+	};
+
+	enum SSU2PeerTestCode
+	{
+		eSSU2PeerTestCodeAccept = 0,
+		eSSU2PeerTestCodeBobReasonUnspecified = 1,
+		eSSU2PeerTestCodeBobNoCharlieAvailable = 2,
+		eSSU2PeerTestCodeBobLimitExceeded = 3,
+		eSSU2PeerTestCodeBobSignatureFailure = 4,
+		eSSU2PeerTestCodeCharlieReasonUnspecified = 64,
+		eSSU2PeerTestCodeCharlieUnsupportedAddress = 65,
+		eSSU2PeerTestCodeCharlieLimitExceeded = 66,
+		eSSU2PeerTestCodeCharlieSignatureFailure = 67,
+		eSSU2PeerTestCodeCharlieAliceIsAlreadyConnected = 68,
+		eSSU2PeerTestCodeCharlieAliceIsBanned = 69,
+		eSSU2PeerTestCodeCharlieAliceIsUnknown = 70,
+		eSSU2PeerTestCodeUnspecified = 128
+	};	
+
+	enum SSU2RelayResponseCode
+	{
+		eSSU2RelayResponseCodeAccept = 0,
+		eSSU2RelayResponseCodeBobRelayTagNotFound = 5,
+		eSSU2RelayResponseCodeCharlieUnsupportedAddress = 65,
+		eSSU2RelayResponseCodeCharlieSignatureFailure = 67,
+		eSSU2RelayResponseCodeCharlieAliceIsUnknown = 70
+	};	
+	
+	struct SSU2IncompleteMessage
+	{
+		struct Fragment
+		{
+			uint8_t buf[SSU2_MTU];
+			size_t len;
+			bool isLast;
+		};
+
+		std::shared_ptr<I2NPMessage> msg;
+		int nextFragmentNum;
+		uint32_t lastFragmentInsertTime; // in seconds
+		std::map<int, std::shared_ptr<Fragment> > outOfSequenceFragments;
+	};
+
+	// RouterInfo flags
+	const uint8_t SSU2_ROUTER_INFO_FLAG_REQUEST_FLOOD = 0x01;
+	const uint8_t SSU2_ROUTER_INFO_FLAG_GZIP = 0x02;
+
+	class SSU2Server;
+	class SSU2Session: public TransportSession, public std::enable_shared_from_this<SSU2Session>
+	{
+		union Header
+		{
+			uint64_t ll[2];
+			uint8_t buf[16];
+			struct
+			{
+				uint64_t connID;
+				uint32_t packetNum;
+				uint8_t type;
+				uint8_t flags[3];
+			} h;
+		};
+
+		struct SentPacket
+		{
+			uint8_t payload[SSU2_MAX_PAYLOAD_SIZE];
+			size_t payloadSize = 0;
+			uint32_t nextResendTime; // in seconds
+			int numResends = 0;
+		};
+
+		struct HandshakePacket: public SentPacket
+		{
+			Header header;
+			uint8_t headerX[48]; // part1 for SessionConfirmed
+		};
+
+		typedef std::function<void ()> OnEstablished;
+
+		public:
+
+			SSU2Session (SSU2Server& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter = nullptr,
+				std::shared_ptr<const i2p::data::RouterInfo::Address> addr = nullptr);
+			~SSU2Session ();
+
+			void SetRemoteEndpoint (const boost::asio::ip::udp::endpoint& ep) { m_RemoteEndpoint = ep; };
+			const boost::asio::ip::udp::endpoint& GetRemoteEndpoint () const { return m_RemoteEndpoint; };
+			i2p::data::RouterInfo::CompatibleTransports GetRemoteTransports () const { return m_RemoteTransports; };
+			std::shared_ptr<const i2p::data::RouterInfo::Address> GetAddress () const { return m_Address; };
+			void SetOnEstablished (OnEstablished e) { m_OnEstablished = e; };
+			OnEstablished GetOnEstablished () const { return m_OnEstablished; };
+
+			void Connect ();
+			bool Introduce (std::shared_ptr<SSU2Session> session, uint32_t relayTag);
+			void WaitForIntroduction ();
+			void SendPeerTest (); // Alice, Data message
+			void Terminate ();
+			void TerminateByTimeout ();
+			void CleanUp (uint64_t ts);
+			void FlushData ();
+			void Done () override;
+			void SendLocalRouterInfo (bool update) override;
+			void SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs) override;
+			uint32_t GetRelayTag () const override { return m_RelayTag; };
+			void Resend (uint64_t ts);
+			bool IsEstablished () const { return m_State == eSSU2SessionStateEstablished; };
+			uint64_t GetConnID () const { return m_SourceConnID; };
+			SSU2SessionState GetState () const { return m_State; };
+			void SetState (SSU2SessionState state) { m_State = state; };
+
+			bool ProcessFirstIncomingMessage (uint64_t connID, uint8_t * buf, size_t len);
+			bool ProcessSessionCreated (uint8_t * buf, size_t len);
+			bool ProcessSessionConfirmed (uint8_t * buf, size_t len);
+			bool ProcessRetry (uint8_t * buf, size_t len);
+			bool ProcessHolePunch (uint8_t * buf, size_t len);
+			bool ProcessPeerTest (uint8_t * buf, size_t len);
+			void ProcessData (uint8_t * buf, size_t len);
+
+		private:
+
+			void Established ();
+			void ScheduleConnectTimer ();
+			void HandleConnectTimer (const boost::system::error_code& ecode);
+			void PostI2NPMessages (std::vector<std::shared_ptr<I2NPMessage> > msgs);
+			bool SendQueue ();
+			void SendFragmentedMessage (std::shared_ptr<I2NPMessage> msg);
+
+			void ProcessSessionRequest (Header& header, uint8_t * buf, size_t len);
+			void ProcessTokenRequest (Header& header, uint8_t * buf, size_t len);
+
+			void SendSessionRequest (uint64_t token = 0);
+			void SendSessionCreated (const uint8_t * X);
+			void SendSessionConfirmed (const uint8_t * Y);
+			void KDFDataPhase (uint8_t * keydata_ab, uint8_t * keydata_ba);
+			void SendTokenRequest ();
+			void SendRetry ();
+			uint32_t SendData (const uint8_t * buf, size_t len); // returns packet num
+			void SendQuickAck ();
+			void SendTermination ();
+			void SendHolePunch (uint32_t nonce, const boost::asio::ip::udp::endpoint& ep, const uint8_t * introKey);
+			void SendPeerTest (uint8_t msg, const uint8_t * signedData, size_t signedDataLen, const uint8_t * introKey); // PeerTest message 
+			
+			void HandlePayload (const uint8_t * buf, size_t len);
+			void HandleAck (const uint8_t * buf, size_t len);
+			void HandleAckRange (uint32_t firstPacketNum, uint32_t lastPacketNum);
+			bool ExtractEndpoint (const uint8_t * buf, size_t size, boost::asio::ip::udp::endpoint& ep);
+			size_t CreateEndpoint (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& ep);
+			std::shared_ptr<const i2p::data::RouterInfo::Address> FindLocalAddress () const;
+			std::shared_ptr<const i2p::data::RouterInfo> ExtractRouterInfo (const uint8_t * buf, size_t size);
+			void CreateNonce (uint64_t seqn, uint8_t * nonce);
+			bool UpdateReceivePacketNum (uint32_t packetNum); // for Ack, returns false if duplicate
+			void HandleFirstFragment (const uint8_t * buf, size_t len);
+			void HandleFollowOnFragment (const uint8_t * buf, size_t len);
+			bool ConcatOutOfSequenceFragments (std::shared_ptr<SSU2IncompleteMessage> m); // true if message complete
+			void HandleRelayRequest (const uint8_t * buf, size_t len);
+			void HandleRelayIntro (const uint8_t * buf, size_t len);
+			void HandleRelayResponse (const uint8_t * buf, size_t len);
+			void HandlePeerTest (const uint8_t * buf, size_t len);
+
+			size_t CreateAddressBlock (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& ep);
+			size_t CreateRouterInfoBlock (uint8_t * buf, size_t len, std::shared_ptr<const i2p::data::RouterInfo> r);
+			size_t CreateAckBlock (uint8_t * buf, size_t len);
+			size_t CreatePaddingBlock (uint8_t * buf, size_t len, size_t minSize = 0);
+			size_t CreateI2NPBlock (uint8_t * buf, size_t len, std::shared_ptr<I2NPMessage>&& msg);
+			size_t CreateFirstFragmentBlock (uint8_t * buf, size_t len, std::shared_ptr<I2NPMessage> msg);
+			size_t CreateFollowOnFragmentBlock (uint8_t * buf, size_t len, std::shared_ptr<I2NPMessage> msg, uint8_t& fragmentNum, uint32_t msgID);
+			size_t CreateRelayIntroBlock (uint8_t * buf, size_t len, const uint8_t * introData, size_t introDataLen);
+			size_t CreateRelayResponseBlock (uint8_t * buf, size_t len, SSU2RelayResponseCode code, uint32_t nonce, bool endpoint); // add endpoint for Chralie and no endpoint for Bob
+			size_t CreatePeerTestBlock (uint8_t * buf, size_t len, uint8_t msg, SSU2PeerTestCode code, const uint8_t * routerHash, const uint8_t * signedData, size_t signedDataLen);
+			size_t CreatePeerTestBlock (uint8_t * buf, size_t len, uint32_t nonce); // Alice
+
+		private:
+
+			SSU2Server& m_Server;
+			std::shared_ptr<i2p::crypto::X25519Keys> m_EphemeralKeys;
+			std::unique_ptr<i2p::crypto::NoiseSymmetricState> m_NoiseState;
+			std::unique_ptr<HandshakePacket> m_SessionConfirmedFragment1; // for Bob if applicable
+			std::unique_ptr<HandshakePacket> m_SentHandshakePacket; // SessionRequest or SessionCreated
+			std::shared_ptr<const i2p::data::RouterInfo::Address> m_Address;
+			boost::asio::ip::udp::endpoint m_RemoteEndpoint;
+			i2p::data::RouterInfo::CompatibleTransports m_RemoteTransports; // for peer tests
+			uint64_t m_DestConnID, m_SourceConnID;
+			SSU2SessionState m_State;
+			uint8_t m_KeyDataSend[64], m_KeyDataReceive[64];
+			uint32_t m_SendPacketNum, m_ReceivePacketNum;
+			std::set<uint32_t> m_OutOfSequencePackets; // packet nums > receive packet num
+			std::map<uint32_t, std::shared_ptr<SentPacket> > m_SentPackets; // packetNum -> packet
+			std::map<uint32_t, std::shared_ptr<SSU2IncompleteMessage> > m_IncompleteMessages; // I2NP
+			std::map<uint32_t, std::pair <std::shared_ptr<SSU2Session>, uint64_t > > m_RelaySessions; // nonce->(Alice, timestamp) for Bob or nonce->(Charlie, timestamp) for Alice
+			std::map<uint32_t, std::pair <std::shared_ptr<SSU2Session>, uint64_t > > m_PeerTests; // same as for relay sessions
+			std::list<std::shared_ptr<I2NPMessage> > m_SendQueue;
+			i2p::I2NPMessagesHandler m_Handler;
+			bool m_IsDataReceived;
+			size_t m_WindowSize;
+			uint32_t m_RelayTag; // between Bob and Charlie
+			OnEstablished m_OnEstablished; // callback from Established
+			boost::asio::deadline_timer m_ConnectTimer;
+	};
+
+	inline uint64_t CreateHeaderMask (const uint8_t * kh, const uint8_t * nonce)
+	{
+		uint64_t data = 0;
+		i2p::crypto::ChaCha20 ((uint8_t *)&data, 8, kh, nonce, (uint8_t *)&data);
+		return data;
+	}
+}
+}
+
+#endif