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remove SOCKS4 support from core and GUI

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- now we support SOCKS5 only
This commit is contained in:
Philip Kaufmann
2014-06-11 13:20:59 +02:00
parent 4ed2315e86
commit 0127a9be14
9 changed files with 49 additions and 174 deletions
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124
src/netbase.cpp
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@@ -37,7 +37,7 @@ using namespace std;
// Settings
static proxyType proxyInfo[NET_MAX];
static proxyType nameproxyInfo;
static CService nameProxy;
static CCriticalSection cs_proxyInfos;
int nConnectTimeout = 5000;
bool fNameLookup = false;
@@ -214,50 +214,6 @@ bool LookupNumeric(const char *pszName, CService& addr, int portDefault)
return Lookup(pszName, addr, portDefault, false);
}
bool static Socks4(const CService &addrDest, SOCKET& hSocket)
{
LogPrintf("SOCKS4 connecting %s\n", addrDest.ToString());
if (!addrDest.IsIPv4())
{
closesocket(hSocket);
return error("Proxy destination is not IPv4");
}
char pszSocks4IP[] = "\4\1\0\0\0\0\0\0user";
struct sockaddr_in addr;
socklen_t len = sizeof(addr);
if (!addrDest.GetSockAddr((struct sockaddr*)&addr, &len) || addr.sin_family != AF_INET)
{
closesocket(hSocket);
return error("Cannot get proxy destination address");
}
memcpy(pszSocks4IP + 2, &addr.sin_port, 2);
memcpy(pszSocks4IP + 4, &addr.sin_addr, 4);
char* pszSocks4 = pszSocks4IP;
int nSize = sizeof(pszSocks4IP);
int ret = send(hSocket, pszSocks4, nSize, MSG_NOSIGNAL);
if (ret != nSize)
{
closesocket(hSocket);
return error("Error sending to proxy");
}
char pchRet[8];
if (recv(hSocket, pchRet, 8, 0) != 8)
{
closesocket(hSocket);
return error("Error reading proxy response");
}
if (pchRet[1] != 0x5a)
{
closesocket(hSocket);
if (pchRet[1] != 0x5b)
LogPrintf("ERROR: Proxy returned error %d\n", pchRet[1]);
return false;
}
LogPrintf("SOCKS4 connected %s\n", addrDest.ToString());
return true;
}
bool static Socks5(string strDest, int port, SOCKET& hSocket)
{
LogPrintf("SOCKS5 connecting %s\n", strDest);
@@ -468,53 +424,49 @@ bool static ConnectSocketDirectly(const CService &addrConnect, SOCKET& hSocketRe
return true;
}
bool SetProxy(enum Network net, CService addrProxy, int nSocksVersion) {
bool SetProxy(enum Network net, CService addrProxy) {
assert(net >= 0 && net < NET_MAX);
if (nSocksVersion != 0 && nSocksVersion != 4 && nSocksVersion != 5)
return false;
if (nSocksVersion != 0 && !addrProxy.IsValid())
if (!addrProxy.IsValid())
return false;
LOCK(cs_proxyInfos);
proxyInfo[net] = std::make_pair(addrProxy, nSocksVersion);
proxyInfo[net] = addrProxy;
return true;
}
bool GetProxy(enum Network net, proxyType &proxyInfoOut) {
assert(net >= 0 && net < NET_MAX);
LOCK(cs_proxyInfos);
if (!proxyInfo[net].second)
if (!proxyInfo[net].IsValid())
return false;
proxyInfoOut = proxyInfo[net];
return true;
}
bool SetNameProxy(CService addrProxy, int nSocksVersion) {
if (nSocksVersion != 0 && nSocksVersion != 5)
return false;
if (nSocksVersion != 0 && !addrProxy.IsValid())
bool SetNameProxy(CService addrProxy) {
if (!addrProxy.IsValid())
return false;
LOCK(cs_proxyInfos);
nameproxyInfo = std::make_pair(addrProxy, nSocksVersion);
nameProxy = addrProxy;
return true;
}
bool GetNameProxy(proxyType &nameproxyInfoOut) {
bool GetNameProxy(CService &nameProxyOut) {
LOCK(cs_proxyInfos);
if (!nameproxyInfo.second)
if(!nameProxy.IsValid())
return false;
nameproxyInfoOut = nameproxyInfo;
nameProxyOut = nameProxy;
return true;
}
bool HaveNameProxy() {
LOCK(cs_proxyInfos);
return nameproxyInfo.second != 0;
return nameProxy.IsValid();
}
bool IsProxy(const CNetAddr &addr) {
LOCK(cs_proxyInfos);
for (int i = 0; i < NET_MAX; i++) {
if (proxyInfo[i].second && (addr == (CNetAddr)proxyInfo[i].first))
if (addr == (CNetAddr)proxyInfo[i])
return true;
}
return false;
@@ -523,31 +475,18 @@ bool IsProxy(const CNetAddr &addr) {
bool ConnectSocket(const CService &addrDest, SOCKET& hSocketRet, int nTimeout)
{
proxyType proxy;
// no proxy needed
// no proxy needed (none set for target network)
if (!GetProxy(addrDest.GetNetwork(), proxy))
return ConnectSocketDirectly(addrDest, hSocketRet, nTimeout);
SOCKET hSocket = INVALID_SOCKET;
// first connect to proxy server
if (!ConnectSocketDirectly(proxy.first, hSocket, nTimeout))
if (!ConnectSocketDirectly(proxy, hSocket, nTimeout))
return false;
// do socks negotiation
switch (proxy.second) {
case 4:
if (!Socks4(addrDest, hSocket))
return false;
break;
case 5:
if (!Socks5(addrDest.ToStringIP(), addrDest.GetPort(), hSocket))
return false;
break;
default:
closesocket(hSocket);
if (!Socks5(addrDest.ToStringIP(), addrDest.GetPort(), hSocket))
return false;
}
hSocketRet = hSocket;
return true;
@@ -561,30 +500,25 @@ bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest
SOCKET hSocket = INVALID_SOCKET;
proxyType nameproxy;
GetNameProxy(nameproxy);
CService nameProxy;
GetNameProxy(nameProxy);
CService addrResolved(CNetAddr(strDest, fNameLookup && !nameproxy.second), port);
CService addrResolved(CNetAddr(strDest, fNameLookup && !HaveNameProxy()), port);
if (addrResolved.IsValid()) {
addr = addrResolved;
return ConnectSocket(addr, hSocketRet, nTimeout);
}
addr = CService("0.0.0.0:0");
if (!nameproxy.second)
return false;
if (!ConnectSocketDirectly(nameproxy.first, hSocket, nTimeout))
return false;
switch(nameproxy.second) {
default:
case 4:
closesocket(hSocket);
return false;
case 5:
if (!Socks5(strDest, port, hSocket))
return false;
break;
}
addr = CService("0.0.0.0:0");
if (!HaveNameProxy())
return false;
// first connect to name proxy server
if (!ConnectSocketDirectly(nameProxy, hSocket, nTimeout))
return false;
// do socks negotiation
if (!Socks5(strDest, (unsigned short)port, hSocket))
return false;
hSocketRet = hSocket;
return true;