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Use Socks5ErrorString() to decode error responses from socks proxy.

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This commit is contained in:
Warren Togami 2016-05-19 14:19:08 +09:00
parent 94fd1d8d53
commit bf9266e017
1 changed files with 16 additions and 12 deletions
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28
src/netbase.cpp
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@ -291,6 +291,21 @@ struct ProxyCredentials
std::string password;
};
std::string Socks5ErrorString(int err)
{
switch(err) {
case 0x01: return "general failure";
case 0x02: return "connection not allowed";
case 0x03: return "network unreachable";
case 0x04: return "host unreachable";
case 0x05: return "connection refused";
case 0x06: return "TTL expired";
case 0x07: return "protocol error";
case 0x08: return "address type not supported";
default: return "unknown";
}
}
/** Connect using SOCKS5 (as described in RFC1928) */
static bool Socks5(const std::string& strDest, int port, const ProxyCredentials *auth, SOCKET& hSocket)
{
@ -382,18 +397,7 @@ static bool Socks5(const std::string& strDest, int port, const ProxyCredentials
if (pchRet2[1] != 0x00) {
// Failures to connect to a peer that are not proxy errors
CloseSocket(hSocket);
switch (pchRet2[1])
{
case 0x01: LogPrintf("Socks5() connect to %s:%d failed: general failure\n", strDest, port); break;
case 0x02: LogPrintf("Socks5() connect to %s:%d failed: connection not allowed\n", strDest, port); break;
case 0x03: LogPrintf("Socks5() connect to %s:%d failed: network unreachable\n", strDest, port); break;
case 0x04: LogPrintf("Socks5() connect to %s:%d failed: host unreachable\n", strDest, port); break;
case 0x05: LogPrintf("Socks5() connect to %s:%d failed: connection refused\n", strDest, port); break;
case 0x06: LogPrintf("Socks5() connect to %s:%d failed: TTL expired\n", strDest, port); break;
case 0x07: LogPrintf("Socks5() connect to %s:%d failed: protocol error\n", strDest, port); break;
case 0x08: LogPrintf("Socks5() connect to %s:%d failed: address type not supported\n", strDest, port); break;
default: LogPrintf("Socks5() connect to %s:%d failed: unknown\n", strDest, port);
}
LogPrintf("Socks5() connect to %s:%d failed: %s\n", strDest, port, Socks5ErrorString(pchRet2[1]));
return false;
}
if (pchRet2[2] != 0x00) {