diff options
Diffstat (limited to 'src/netbase.cpp')
-rw-r--r-- | src/netbase.cpp | 85 |
1 files changed, 49 insertions, 36 deletions
diff --git a/src/netbase.cpp b/src/netbase.cpp index 7f79dd02c6..572ae70871 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -170,7 +170,8 @@ bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsign if (aiTrav->ai_family == AF_INET6) { assert(aiTrav->ai_addrlen >= sizeof(sockaddr_in6)); - vIP.push_back(CNetAddr(((struct sockaddr_in6*)(aiTrav->ai_addr))->sin6_addr)); + struct sockaddr_in6* s6 = (struct sockaddr_in6*) aiTrav->ai_addr; + vIP.push_back(CNetAddr(s6->sin6_addr, s6->sin6_scope_id)); } aiTrav = aiTrav->ai_next; @@ -290,10 +291,25 @@ 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) { - LogPrintf("SOCKS5 connecting %s\n", strDest); + LogPrint("net", "SOCKS5 connecting %s\n", strDest); if (strDest.size() > 255) { CloseSocket(hSocket); return error("Hostname too long"); @@ -317,7 +333,8 @@ static bool Socks5(const std::string& strDest, int port, const ProxyCredentials char pchRet1[2]; if (!InterruptibleRecv(pchRet1, 2, SOCKS5_RECV_TIMEOUT, hSocket)) { CloseSocket(hSocket); - return error("Error reading proxy response"); + LogPrintf("Socks5() connect to %s:%d failed: InterruptibleRecv() timeout or other failure\n", strDest, port); + return false; } if (pchRet1[0] != 0x05) { CloseSocket(hSocket); @@ -378,19 +395,10 @@ static bool Socks5(const std::string& strDest, int port, const ProxyCredentials return error("Proxy failed to accept request"); } if (pchRet2[1] != 0x00) { + // Failures to connect to a peer that are not proxy errors CloseSocket(hSocket); - switch (pchRet2[1]) - { - case 0x01: return error("Proxy error: general failure"); - case 0x02: return error("Proxy error: connection not allowed"); - case 0x03: return error("Proxy error: network unreachable"); - case 0x04: return error("Proxy error: host unreachable"); - case 0x05: return error("Proxy error: connection refused"); - case 0x06: return error("Proxy error: TTL expired"); - case 0x07: return error("Proxy error: protocol error"); - case 0x08: return error("Proxy error: address type not supported"); - default: return error("Proxy error: unknown"); - } + LogPrintf("Socks5() connect to %s:%d failed: %s\n", strDest, port, Socks5ErrorString(pchRet2[1])); + return false; } if (pchRet2[2] != 0x00) { CloseSocket(hSocket); @@ -422,7 +430,7 @@ static bool Socks5(const std::string& strDest, int port, const ProxyCredentials CloseSocket(hSocket); return error("Error reading from proxy"); } - LogPrintf("SOCKS5 connected %s\n", strDest); + LogPrint("net", "SOCKS5 connected %s\n", strDest); return true; } @@ -613,10 +621,12 @@ bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest proxyType nameProxy; GetNameProxy(nameProxy); - CService addrResolved(CNetAddr(strDest, fNameLookup && !HaveNameProxy()), port); - if (addrResolved.IsValid()) { - addr = addrResolved; - return ConnectSocket(addr, hSocketRet, nTimeout); + CService addrResolved; + if (Lookup(strDest.c_str(), addrResolved, port, fNameLookup && !HaveNameProxy())) { + if (addrResolved.IsValid()) { + addr = addrResolved; + return ConnectSocket(addr, hSocketRet, nTimeout); + } } addr = CService("0.0.0.0:0"); @@ -629,6 +639,7 @@ bool ConnectSocketByName(CService &addr, SOCKET& hSocketRet, const char *pszDest void CNetAddr::Init() { memset(ip, 0, sizeof(ip)); + scopeId = 0; } void CNetAddr::SetIP(const CNetAddr& ipIn) @@ -678,24 +689,25 @@ CNetAddr::CNetAddr(const struct in_addr& ipv4Addr) SetRaw(NET_IPV4, (const uint8_t*)&ipv4Addr); } -CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr) +CNetAddr::CNetAddr(const struct in6_addr& ipv6Addr, const uint32_t scope) { SetRaw(NET_IPV6, (const uint8_t*)&ipv6Addr); + scopeId = scope; } -CNetAddr::CNetAddr(const char *pszIp, bool fAllowLookup) +CNetAddr::CNetAddr(const char *pszIp) { Init(); std::vector<CNetAddr> vIP; - if (LookupHost(pszIp, vIP, 1, fAllowLookup)) + if (LookupHost(pszIp, vIP, 1, false)) *this = vIP[0]; } -CNetAddr::CNetAddr(const std::string &strIp, bool fAllowLookup) +CNetAddr::CNetAddr(const std::string &strIp) { Init(); std::vector<CNetAddr> vIP; - if (LookupHost(strIp.c_str(), vIP, 1, fAllowLookup)) + if (LookupHost(strIp.c_str(), vIP, 1, false)) *this = vIP[0]; } @@ -1099,7 +1111,7 @@ CService::CService(const struct sockaddr_in& addr) : CNetAddr(addr.sin_addr), po assert(addr.sin_family == AF_INET); } -CService::CService(const struct sockaddr_in6 &addr) : CNetAddr(addr.sin6_addr), port(ntohs(addr.sin6_port)) +CService::CService(const struct sockaddr_in6 &addr) : CNetAddr(addr.sin6_addr, addr.sin6_scope_id), port(ntohs(addr.sin6_port)) { assert(addr.sin6_family == AF_INET6); } @@ -1118,35 +1130,35 @@ bool CService::SetSockAddr(const struct sockaddr *paddr) } } -CService::CService(const char *pszIpPort, bool fAllowLookup) +CService::CService(const char *pszIpPort) { Init(); CService ip; - if (Lookup(pszIpPort, ip, 0, fAllowLookup)) + if (Lookup(pszIpPort, ip, 0, false)) *this = ip; } -CService::CService(const char *pszIpPort, int portDefault, bool fAllowLookup) +CService::CService(const char *pszIpPort, int portDefault) { Init(); CService ip; - if (Lookup(pszIpPort, ip, portDefault, fAllowLookup)) + if (Lookup(pszIpPort, ip, portDefault, false)) *this = ip; } -CService::CService(const std::string &strIpPort, bool fAllowLookup) +CService::CService(const std::string &strIpPort) { Init(); CService ip; - if (Lookup(strIpPort.c_str(), ip, 0, fAllowLookup)) + if (Lookup(strIpPort.c_str(), ip, 0, false)) *this = ip; } -CService::CService(const std::string &strIpPort, int portDefault, bool fAllowLookup) +CService::CService(const std::string &strIpPort, int portDefault) { Init(); CService ip; - if (Lookup(strIpPort.c_str(), ip, portDefault, fAllowLookup)) + if (Lookup(strIpPort.c_str(), ip, portDefault, false)) *this = ip; } @@ -1192,6 +1204,7 @@ bool CService::GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const memset(paddrin6, 0, *addrlen); if (!GetIn6Addr(&paddrin6->sin6_addr)) return false; + paddrin6->sin6_scope_id = scopeId; paddrin6->sin6_family = AF_INET6; paddrin6->sin6_port = htons(port); return true; @@ -1239,7 +1252,7 @@ CSubNet::CSubNet(): memset(netmask, 0, sizeof(netmask)); } -CSubNet::CSubNet(const std::string &strSubnet, bool fAllowLookup) +CSubNet::CSubNet(const std::string &strSubnet) { size_t slash = strSubnet.find_last_of('/'); std::vector<CNetAddr> vIP; @@ -1249,7 +1262,7 @@ CSubNet::CSubNet(const std::string &strSubnet, bool fAllowLookup) memset(netmask, 255, sizeof(netmask)); std::string strAddress = strSubnet.substr(0, slash); - if (LookupHost(strAddress.c_str(), vIP, 1, fAllowLookup)) + if (LookupHost(strAddress.c_str(), vIP, 1, false)) { network = vIP[0]; if (slash != strSubnet.npos) |