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NAMING LOOKUP for .b32 addresses

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orignal 2014-10-03 15:08:41 -04:00
parent 07654212f8
commit e954d06edf
3 changed files with 53 additions and 15 deletions
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4
LeaseSet.h
View File

@ -46,7 +46,8 @@ namespace data
LeaseSet (const i2p::tunnel::TunnelPool& pool);
LeaseSet& operator=(const LeaseSet& ) = default;
void Update (const uint8_t * buf, int len);
const IdentityEx& GetIdentity () const { return m_Identity; };
const uint8_t * GetBuffer () const { return m_Buffer; };
size_t GetBufferLen () const { return m_BufferLen; };
@ -54,7 +55,6 @@ namespace data
void SetUnsolicited (bool unsolicited) { m_IsUnsolicited = unsolicited; };
// implements RoutingDestination
const Identity& GetIdentity () const { return m_Identity.GetStandardIdentity (); };
const IdentHash& GetIdentHash () const { return m_Identity.GetIdentHash (); };
const std::vector<Lease>& GetLeases () const { return m_Leases; };
const std::vector<Lease> GetNonExpiredLeases () const;

56
SAM.cpp
View File

@ -253,7 +253,7 @@ namespace stream
{
i2p::data::netdb.Subscribe (dest.GetIdentHash (), session->localDestination->GetTunnelPool ());
m_Timer.expires_from_now (boost::posix_time::seconds(SAM_CONNECT_TIMEOUT));
m_Timer.async_wait (boost::bind (&SAMSocket::HandleDestinationRequestTimer,
m_Timer.async_wait (boost::bind (&SAMSocket::HandleStreamDestinationRequestTimer,
this, boost::asio::placeholders::error, dest.GetIdentHash (), session));
}
}
@ -271,7 +271,7 @@ namespace stream
SendMessageReply (SAM_STREAM_STATUS_OK, strlen(SAM_STREAM_STATUS_OK), false);
}
void SAMSocket::HandleDestinationRequestTimer (const boost::system::error_code& ecode, i2p::data::IdentHash ident, SAMSession * session)
void SAMSocket::HandleStreamDestinationRequestTimer (const boost::system::error_code& ecode, i2p::data::IdentHash ident, SAMSession * session)
{
if (!ecode) // timeout expired
{
@ -286,6 +286,22 @@ namespace stream
}
}
void SAMSocket::HandleNamingLookupDestinationRequestTimer (const boost::system::error_code& ecode, i2p::data::IdentHash ident)
{
if (!ecode) // timeout expired
{
auto leaseSet = i2p::data::netdb.FindLeaseSet (ident);
if (leaseSet)
SendNamingLookupReply (leaseSet);
else
{
LogPrint ("SAM name destination not found");
size_t len = snprintf (m_Buffer, SAM_SOCKET_BUFFER_SIZE, SAM_NAMING_REPLY_KEY_NOT_FOUND, (ident.ToBase32 () + ".b32.i2p").c_str ());
SendMessageReply (m_Buffer, len, false);
}
}
}
void SAMSocket::ProcessStreamAccept (char * buf, size_t len)
{
LogPrint ("SAM stream accept: ", buf);
@ -340,23 +356,41 @@ namespace stream
std::map<std::string, std::string> params;
ExtractParams (buf, len, params);
std::string& name = params[SAM_PARAM_NAME];
if (name == "ME" && m_Session)
i2p::data::IdentHash ident;
if (name == "ME")
SendNamingLookupReply (nullptr);
else if (i2p::data::netdb.GetAddressBook ().GetIdentHash (name, ident))
{
uint8_t buf[1024];
char pub[1024];
size_t l = m_Session->localDestination->GetIdentity ().ToBuffer (buf, 1024);
size_t l1 = i2p::data::ByteStreamToBase64 (buf, l, pub, 1024);
pub[l1] = 0;
size_t l2 = snprintf (m_Buffer, SAM_SOCKET_BUFFER_SIZE, SAM_NAMING_REPLY, pub);
SendMessageReply (m_Buffer, l2, false);
auto leaseSet = i2p::data::netdb.FindLeaseSet (ident);
if (leaseSet)
SendNamingLookupReply (leaseSet);
else
{
i2p::data::netdb.Subscribe (ident, m_Session->localDestination->GetTunnelPool ());
m_Timer.expires_from_now (boost::posix_time::seconds(SAM_NAMING_LOOKUP_TIMEOUT));
m_Timer.async_wait (boost::bind (&SAMSocket::HandleNamingLookupDestinationRequestTimer,
this, boost::asio::placeholders::error, ident));
}
}
else
{
size_t len = snprintf (m_Buffer, SAM_SOCKET_BUFFER_SIZE, SAM_NAMING_REPLY_INVALID_KEY, name.c_str());
SendMessageReply (m_Buffer, len, true);
SendMessageReply (m_Buffer, len, false);
}
}
void SAMSocket::SendNamingLookupReply (i2p::data::LeaseSet * leaseSet)
{
uint8_t buf[1024];
char pub[1024];
const i2p::data::IdentityEx& identity = leaseSet ? leaseSet->GetIdentity () : m_Session->localDestination->GetIdentity ();
size_t l = identity.ToBuffer (buf, 1024);
size_t l1 = i2p::data::ByteStreamToBase64 (buf, l, pub, 1024);
pub[l1] = 0;
size_t l2 = snprintf (m_Buffer, SAM_SOCKET_BUFFER_SIZE, SAM_NAMING_REPLY, pub);
SendMessageReply (m_Buffer, l2, false);
}
void SAMSocket::ExtractParams (char * buf, size_t len, std::map<std::string, std::string>& params)
{
char * separator;

8
SAM.h
View File

@ -18,6 +18,7 @@ namespace stream
const size_t SAM_SOCKET_BUFFER_SIZE = 4096;
const int SAM_SOCKET_CONNECTION_MAX_IDLE = 3600; // in seconds
const int SAM_CONNECT_TIMEOUT = 5; // in seconds
const int SAM_NAMING_LOOKUP_TIMEOUT = 5; // in seconds
const char SAM_HANDSHAKE[] = "HELLO VERSION";
const char SAM_HANDSHAKE_REPLY[] = "HELLO REPLY RESULT=OK VERSION=3.1\n";
const char SAM_SESSION_CREATE[] = "SESSION CREATE";
@ -35,7 +36,8 @@ namespace stream
const char SAM_DEST_REPLY_I2P_ERROR[] = "DEST REPLY RESULT=I2P_ERROR\n";
const char SAM_NAMING_LOOKUP[] = "NAMING LOOKUP";
const char SAM_NAMING_REPLY[] = "NAMING REPLY RESULT=OK NAME=ME VALUE=%s\n";
const char SAM_NAMING_REPLY_INVALID_KEY[] = "NAMING REPLY RESULT=INVALID_KEY NAME=%s\n";
const char SAM_NAMING_REPLY_INVALID_KEY[] = "NAMING REPLY RESULT=INVALID_KEY NAME=%s\n";
const char SAM_NAMING_REPLY_KEY_NOT_FOUND[] = "NAMING REPLY RESULT=INVALID_KEY_NOT_FOUND NAME=%s\n";
const char SAM_PARAM_STYLE[] = "STYLE";
const char SAM_PARAM_ID[] = "ID";
const char SAM_PARAM_SILENT[] = "SILENT";
@ -89,7 +91,9 @@ namespace stream
void ExtractParams (char * buf, size_t len, std::map<std::string, std::string>& params);
void Connect (const i2p::data::LeaseSet& remote, SAMSession * session);
void HandleDestinationRequestTimer (const boost::system::error_code& ecode, i2p::data::IdentHash ident, SAMSession * session);
void HandleStreamDestinationRequestTimer (const boost::system::error_code& ecode, i2p::data::IdentHash ident, SAMSession * session);
void HandleNamingLookupDestinationRequestTimer (const boost::system::error_code& ecode, i2p::data::IdentHash ident);
void SendNamingLookupReply (i2p::data::LeaseSet * leaseSet);
private: