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refactor ConnectSocket

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This commit is contained in:
Pieter Wuille 2012-04-19 17:02:21 +02:00
parent 933f2715d8
commit a012e2db59
1 changed files with 25 additions and 9 deletions
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32
src/netbase.cpp
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@ -195,9 +195,14 @@ bool static Socks4(const CService &addrDest, SOCKET& hSocket)
return true; return true;
} }
bool static Socks5(const CService &addrDest, SOCKET& hSocket) bool static Socks5(string strDest, int port, SOCKET& hSocket)
{ {
printf("SOCKS5 connecting %s\n", addrDest.ToString().c_str()); printf("SOCKS5 connecting %s\n", strDest.c_str());
if (strDest.size() > 255)
{
closesocket(hSocket);
return error("Hostname too long");
}
char pszSocks5Init[] = "\5\1\0"; char pszSocks5Init[] = "\5\1\0";
char *pszSocks5 = pszSocks5Init; char *pszSocks5 = pszSocks5Init;
int nSize = sizeof(pszSocks5Init); int nSize = sizeof(pszSocks5Init);
@ -221,11 +226,10 @@ bool static Socks5(const CService &addrDest, SOCKET& hSocket)
} }
string strSocks5("\5\1"); string strSocks5("\5\1");
strSocks5 += '\000'; strSocks5 += '\003'; strSocks5 += '\000'; strSocks5 += '\003';
string strDest = addrDest.ToStringIP();
strSocks5 += static_cast<char>(std::min((int)strDest.size(), 255)); strSocks5 += static_cast<char>(std::min((int)strDest.size(), 255));
strSocks5 += strDest; strSocks5 += strDest;
strSocks5 += static_cast<char>((addrDest.GetPort() >> 8) & 0xFF); strSocks5 += static_cast<char>((port >> 8) & 0xFF);
strSocks5 += static_cast<char>((addrDest.GetPort() >> 0) & 0xFF); strSocks5 += static_cast<char>((port >> 0) & 0xFF);
ret = send(hSocket, strSocks5.c_str(), strSocks5.size(), MSG_NOSIGNAL); ret = send(hSocket, strSocks5.c_str(), strSocks5.size(), MSG_NOSIGNAL);
if (ret != strSocks5.size()) if (ret != strSocks5.size())
{ {
@ -290,11 +294,11 @@ bool static Socks5(const CService &addrDest, SOCKET& hSocket)
closesocket(hSocket); closesocket(hSocket);
return error("Error reading from proxy"); return error("Error reading from proxy");
} }
printf("SOCKS5 connected %s\n", addrDest.ToString().c_str()); printf("SOCKS5 connected %s\n", strDest.c_str());
return true; return true;
} }
bool ConnectSocket(const CService &addrDest, SOCKET& hSocketRet, int nTimeout) bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRet, int nTimeout)
{ {
hSocketRet = INVALID_SOCKET; hSocketRet = INVALID_SOCKET;
@ -396,6 +400,18 @@ bool ConnectSocket(const CService &addrDest, SOCKET& hSocketRet, int nTimeout)
return false; return false;
} }
hSocketRet = hSocket;
return true;
}
bool ConnectSocket(const CService &addrDest, SOCKET& hSocketRet, int nTimeout)
{
SOCKET hSocket = INVALID_SOCKET;
bool fProxy = (fUseProxy && addrDest.IsRoutable());
if (!ConnectSocketDirectly(fProxy ? addrProxy : addrDest, hSocket, nTimeout))
return false;
if (fProxy) if (fProxy)
{ {
switch(GetArg("-socks", 5)) switch(GetArg("-socks", 5))
@ -407,7 +423,7 @@ bool ConnectSocket(const CService &addrDest, SOCKET& hSocketRet, int nTimeout)
case 5: case 5:
default: default:
if (!Socks5(addrDest, hSocket)) if (!Socks5(addrDest.ToStringIP(), addrDest.GetPort(), hSocket))
return false; return false;
break; break;
} }