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SOCKS5 connect via hostname

This commit is contained in:
Pieter Wuille 2012-04-19 16:13:30 +02:00
parent 60a87bce87
commit 933f2715d8
1 changed files with 9 additions and 26 deletions
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35
src/netbase.cpp
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@ -219,32 +219,15 @@ bool static Socks5(const CService &addrDest, SOCKET& hSocket)
closesocket(hSocket);
return error("Proxy failed to initialize");
}
char pszSocks5IPv4[] = "\5\1\0\1\0\0\0\0\0\0";
char pszSocks5IPv6[] = "\5\1\0\4\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
if (addrDest.IsIPv4())
{
struct sockaddr_in addr;
addrDest.GetSockAddr(&addr);
memcpy(pszSocks5IPv4 + 4, &addr.sin_addr, 4);
memcpy(pszSocks5IPv4 + 8, &addr.sin_port, 2);
pszSocks5 = pszSocks5IPv4;
nSize = sizeof(pszSocks5IPv4);
}
else
{
#ifdef USE_IPV6
struct sockaddr_in6 addr;
addrDest.GetSockAddr6(&addr);
memcpy(pszSocks5IPv6 + 4, &addr.sin6_addr, 16);
memcpy(pszSocks5IPv6 + 20, &addr.sin6_port, 2);
pszSocks5 = pszSocks5IPv6;
nSize = sizeof(pszSocks5IPv6);
#else
return error("IPv6 support is not compiled in");
#endif
}
ret = send(hSocket, pszSocks5, nSize, MSG_NOSIGNAL);
if (ret != nSize)
string strSocks5("\5\1");
strSocks5 += '\000'; strSocks5 += '\003';
string strDest = addrDest.ToStringIP();
strSocks5 += static_cast<char>(std::min((int)strDest.size(), 255));
strSocks5 += strDest;
strSocks5 += static_cast<char>((addrDest.GetPort() >> 8) & 0xFF);
strSocks5 += static_cast<char>((addrDest.GetPort() >> 0) & 0xFF);
ret = send(hSocket, strSocks5.c_str(), strSocks5.size(), MSG_NOSIGNAL);
if (ret != strSocks5.size())
{
closesocket(hSocket);
return error("Error sending to proxy");