Merge remote-tracking branch 'purple/openssl'

This commit is contained in:
Jeff Becker 2016-12-09 11:42:31 -05:00
commit eda13f9023
9 changed files with 135 additions and 9 deletions

69
BloomFilter.cpp Normal file
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@ -0,0 +1,69 @@
#include "BloomFilter.h"
#include "I2PEndian.h"
#include <array>
#include <openssl/sha.h>
namespace i2p
{
namespace util
{
/** @brief decaying bloom filter implementation */
class DecayingBloomFilter : public IBloomFilter
{
public:
DecayingBloomFilter(const std::size_t size)
{
m_Size = size;
m_Data = new uint8_t[size];
}
/** @brief implements IBloomFilter::~IBloomFilter */
~DecayingBloomFilter()
{
delete [] m_Data;
}
/** @brief implements IBloomFilter::Add */
bool Add(const uint8_t * data, std::size_t len)
{
std::size_t idx;
uint8_t mask;
Get(data, len, idx, mask);
if(m_Data[idx] & mask) return false; // filter hit
m_Data[idx] |= mask;
return true;
}
/** @brief implements IBloomFilter::Decay */
void Decay()
{
// reset bloom filter buffer
memset(m_Data, 0, m_Size);
}
private:
/** @brief get bit index for for data */
void Get(const uint8_t * data, std::size_t len, std::size_t & idx, uint8_t & bm)
{
bm = 1;
uint8_t digest[32];
// TODO: use blake2 because it's faster
SHA256(data, len, digest);
uint64_t i = buf64toh(digest);
idx = i % m_Size;
bm <<= (i % 8);
}
uint8_t * m_Data;
std::size_t m_Size;
};
BloomFilterPtr BloomFilter(std::size_t capacity)
{
return std::make_shared<DecayingBloomFilter>(capacity);
}
}
}

31
BloomFilter.h Normal file
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@ -0,0 +1,31 @@
#ifndef BLOOM_FILTER_H_
#define BLOOM_FILTER_H_
#include <memory>
#include <cstdint>
namespace i2p
{
namespace util
{
/** @brief interface for bloom filter */
struct IBloomFilter
{
/** @brief destructor */
virtual ~IBloomFilter();
/** @brief add entry to bloom filter, return false if filter hit otherwise return true */
virtual bool Add(const uint8_t * data, std::size_t len) = 0;
/** @brief optionally decay old entries */
virtual void Decay();
};
typedef std::shared_ptr<IBloomFilter> BloomFilterPtr;
/** @brief create bloom filter */
BloomFilterPtr BloomFilter(std::size_t capacity = 1024 * 8);
}
}
#endif

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@ -709,11 +709,15 @@ namespace http {
char b64_creds[64];
std::size_t len = 0;
len = i2p::data::ByteStreamToBase64((unsigned char *)expected.c_str(), expected.length(), b64_creds, sizeof(b64_creds));
b64_creds[len] = '\0';
expected = "Basic ";
expected += b64_creds;
if (provided == expected)
return true;
/* if we decoded properly then check credentials */
if(len) {
b64_creds[len] = '\0';
expected = "Basic ";
expected += b64_creds;
return expected == provided;
}
/** we decoded wrong so it's not a correct login credential */
return false;
}
LogPrint(eLogWarning, "HTTPServer: auth failure from ", m_Socket->remote_endpoint().address ());

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@ -593,11 +593,25 @@ namespace data
XORMetric operator^(const IdentHash& key1, const IdentHash& key2)
{
XORMetric m;
#if defined(__AVX__) // for AVX
__asm__
(
"vmovups %1, %%ymm0 \n"
"vmovups %2, %%ymm1 \n"
"vxorps %%ymm0, %%ymm1, %%ymm1 \n"
"vmovups %%ymm1, %0 \n"
: "=m"(*m.metric)
: "m"(*key1), "m"(*key2)
: "memory", "%xmm0", "%xmm1" // should be replaced by %ymm0/1 once supported by compiler
);
#else
const uint64_t * hash1 = key1.GetLL (), * hash2 = key2.GetLL ();
m.metric_ll[0] = hash1[0] ^ hash2[0];
m.metric_ll[1] = hash1[1] ^ hash2[1];
m.metric_ll[2] = hash1[2] ^ hash2[2];
m.metric_ll[3] = hash1[3] ^ hash2[3];
#endif
return m;
}
}

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@ -60,7 +60,12 @@ ifeq ($(USE_AESNI),yes)
ifeq ($(IS_64),1)
#check if AES-NI is supported by CPU
ifneq ($(shell $(GREP) -c aes /proc/cpuinfo),0)
CPU_FLAGS = -maes -DAESNI
CPU_FLAGS += -maes -DAESNI
endif
endif
endif
#check if AVX supported by CPU
ifneq ($(shell $(GREP) -c avx /proc/cpuinfo),0)
CPU_FLAGS += -mavx
endif

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@ -59,6 +59,7 @@ LOCAL_SRC_FILES := DaemonAndroid.cpp i2pd_android.cpp \
../../TunnelPool.cpp \
../../Timestamp.cpp \
../../Event.cpp \
../../BloomFiler.cpp \
../../util.cpp \
../../i2pd.cpp ../../UPnP.cpp

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@ -26,6 +26,7 @@ set ( CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules" )
set ( CMAKE_SOURCE_DIR ".." )
set (LIBI2PD_SRC
"${CMAKE_SOURCE_DIR}/BloomFilter.cpp"
"${CMAKE_SOURCE_DIR}/Config.cpp"
"${CMAKE_SOURCE_DIR}/Crypto.cpp"
"${CMAKE_SOURCE_DIR}/Garlic.cpp"

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@ -1,5 +1,5 @@
LIB_SRC = \
Gzip.cpp Crypto.cpp Datagram.cpp Garlic.cpp I2NPProtocol.cpp LeaseSet.cpp \
BloomFilter.cpp Gzip.cpp Crypto.cpp Datagram.cpp Garlic.cpp I2NPProtocol.cpp LeaseSet.cpp \
Log.cpp NTCPSession.cpp NetDb.cpp NetDbRequests.cpp Profiling.cpp \
Reseed.cpp RouterContext.cpp RouterInfo.cpp Signature.cpp SSU.cpp \
SSUSession.cpp SSUData.cpp Streaming.cpp Identity.cpp TransitTunnel.cpp \

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@ -36,7 +36,7 @@ SOURCES += DaemonQT.cpp mainwindow.cpp \
../../SSUData.cpp ../../SSUSession.cpp ../../Streaming.cpp ../../TransitTunnel.cpp \
../../Transports.cpp ../../Tunnel.cpp ../../TunnelEndpoint.cpp ../../TunnelGateway.cpp \
../../TunnelPool.cpp ../../UPnP.cpp ../../Gzip.cpp ../../Timestamp.cpp ../../util.cpp \
../../Event.cpp ../../i2pd.cpp
../../Event.cpp ../../BloomFiler.cpp ../../i2pd.cpp
HEADERS += DaemonQT.h mainwindow.h \
../../HTTPServer.h ../../I2PControl.h ../../UPnP.h ../../Daemon.h ../../Config.h \
@ -50,7 +50,8 @@ HEADERS += DaemonQT.h mainwindow.h \
../../Streaming.h ../../Timestamp.h ../../TransitTunnel.h ../../Transports.h \
../../TransportSession.h ../../Tunnel.h ../../TunnelBase.h ../../TunnelConfig.h \
../../TunnelEndpoint.h ../../TunnelGateway.h ../../TunnelPool.h ../../UPnP.h \
../../util.h ../../version.h ../../Gzip.h ../../Tag.h ../../Event.h
../../util.h ../../version.h ../../Gzip.h ../../Tag.h \
../../BloomFiler.h ../../Event.h
FORMS += mainwindow.ui