message: Use Socks5ErrorString() to decode error responses from socks proxy.
diff: @@ -292,6 +292,21 @@ 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)
  {
  @@ -386,18 +401,7 @@ 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) {
  