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check max version

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orignal 2014-12-16 15:54:02 -05:00
parent fe4d640504
commit 54cffb583f
2 changed files with 37 additions and 7 deletions
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37
SAM.cpp
View File

@ -86,12 +86,39 @@ namespace client
{
m_Buffer[bytes_transferred] = 0;
LogPrint ("SAM handshake ", m_Buffer);
if (!memcmp (m_Buffer, SAM_HANDSHAKE, strlen (SAM_HANDSHAKE)))
char * separator = strchr (m_Buffer, ' ');
if (separator)
{
// TODO: check version
boost::asio::async_write (m_Socket, boost::asio::buffer (SAM_HANDSHAKE_REPLY, strlen (SAM_HANDSHAKE_REPLY)), boost::asio::transfer_all (),
std::bind(&SAMSocket::HandleHandshakeReplySent, shared_from_this (),
std::placeholders::_1, std::placeholders::_2));
separator = strchr (separator + 1, ' ');
if (separator)
*separator = 0;
}
if (!strcmp (m_Buffer, SAM_HANDSHAKE))
{
std::string version("3.0");
// try to find MIN and MAX, 3.0 if not found
if (separator)
{
separator++;
std::map<std::string, std::string> params;
ExtractParams (separator, bytes_transferred - (separator - m_Buffer), params);
auto it = params.find (SAM_PARAM_MAX);
// TODO: check MIN as well
if (it != params.end ())
version = it->second;
}
if (version[0] == '3') // we support v3 (3.0 and 3.1) only
{
#ifdef _MSC_VER
size_t l = sprintf_s (m_Buffer, SAM_SOCKET_BUFFER_SIZE, SAM_HANDSHAKE_REPLY, version.c_str ());
#else
size_t l = snprintf (m_Buffer, SAM_SOCKET_BUFFER_SIZE, SAM_HANDSHAKE_REPLY, version.c_str ());
#endif
SendMessageReply (m_Buffer, l, false);
}
else
SendMessageReply (SAM_HANDSHAKE_I2P_ERROR, strlen (SAM_HANDSHAKE_I2P_ERROR), true);
}
else
{

7
SAM.h
View File

@ -24,7 +24,8 @@ namespace client
const int SAM_NAMING_LOOKUP_TIMEOUT = 5; // in seconds
const int SAM_SESSION_READINESS_CHECK_INTERVAL = 20; // in seconds
const char SAM_HANDSHAKE[] = "HELLO VERSION";
const char SAM_HANDSHAKE_REPLY[] = "HELLO REPLY RESULT=OK VERSION=3.0\n";
const char SAM_HANDSHAKE_REPLY[] = "HELLO REPLY RESULT=OK VERSION=%s\n";
const char SAM_HANDSHAKE_I2P_ERROR[] = "HELLO REPLY RESULT=I2P_ERROR\n";
const char SAM_SESSION_CREATE[] = "SESSION CREATE";
const char SAM_SESSION_CREATE_REPLY_OK[] = "SESSION STATUS RESULT=OK DESTINATION=%s\n";
const char SAM_SESSION_CREATE_DUPLICATED_ID[] = "SESSION STATUS RESULT=DUPLICATED_ID\n";
@ -42,7 +43,9 @@ namespace client
const char SAM_NAMING_REPLY[] = "NAMING REPLY RESULT=OK NAME=ME VALUE=%s\n";
const char SAM_DATAGRAM_RECEIVED[] = "DATAGRAM_RECEIVED DESTINATION=%s SIZE=%lu\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_NAMING_REPLY_KEY_NOT_FOUND[] = "NAMING REPLY RESULT=INVALID_KEY_NOT_FOUND NAME=%s\n";
const char SAM_PARAM_MIN[] = "MIN";
const char SAM_PARAM_MAX[] = "MAX";
const char SAM_PARAM_STYLE[] = "STYLE";
const char SAM_PARAM_ID[] = "ID";
const char SAM_PARAM_SILENT[] = "SILENT";