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@ -22,9 +22,10 @@
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#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
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#define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
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// inet_pton exists in Windows Vista, but XP haven't that function!
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// inet_pton exists Windows since Vista, but XP haven't that function!
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// This function was written by Petar Korponai?. See http://stackoverflow.com/questions/15660203/inet-pton-identifier-not-found
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int inet_pton_xp(int af, const char *src, void *dst)
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{ // This function was written by Petar Korponai?. See http://stackoverflow.com/questions/15660203/inet-pton-identifier-not-found
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{
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struct sockaddr_storage ss;
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int size = sizeof (ss);
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char src_copy[INET6_ADDRSTRLEN + 1];
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@ -59,12 +60,12 @@ namespace util
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namespace net
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{
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#ifdef WIN32
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bool IsWindowsXPorLater() {
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bool IsWindowsXPorLater()
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{
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OSVERSIONINFO osvi;
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ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&osvi);
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if (osvi.dwMajorVersion <= 5)
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@ -80,9 +81,9 @@ namespace net
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PIP_ADAPTER_ADDRESSES pCurrAddresses = nullptr;
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PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr;
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if(GetAdaptersAddresses(AF_INET, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen)
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== ERROR_BUFFER_OVERFLOW) {
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== ERROR_BUFFER_OVERFLOW)
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{
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FREE(pAddresses);
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pAddresses = (IP_ADAPTER_ADDRESSES*) MALLOC(outBufLen);
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}
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@ -91,24 +92,28 @@ namespace net
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AF_INET, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen
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);
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if(dwRetVal != NO_ERROR) {
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if(dwRetVal != NO_ERROR)
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{
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LogPrint(eLogError, "NetIface: GetMTU(): enclosed GetAdaptersAddresses() call has failed");
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FREE(pAddresses);
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return fallback;
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}
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pCurrAddresses = pAddresses;
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while(pCurrAddresses) {
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while(pCurrAddresses)
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{
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PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress;
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pUnicast = pCurrAddresses->FirstUnicastAddress;
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if(pUnicast == nullptr) {
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if(pUnicast == nullptr)
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LogPrint(eLogError, "NetIface: GetMTU(): not a unicast ipv4 address, this is not supported");
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}
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for(int i = 0; pUnicast != nullptr; ++i) {
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for(int i = 0; pUnicast != nullptr; ++i)
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{
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LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr;
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sockaddr_in* localInterfaceAddress = (sockaddr_in*) lpAddr;
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if(localInterfaceAddress->sin_addr.S_un.S_addr == inputAddress.sin_addr.S_un.S_addr) {
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if(localInterfaceAddress->sin_addr.S_un.S_addr == inputAddress.sin_addr.S_un.S_addr)
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{
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auto result = pAddresses->Mtu;
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FREE(pAddresses);
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return result;
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@ -131,7 +136,8 @@ namespace net
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PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr;
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if(GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen)
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== ERROR_BUFFER_OVERFLOW) {
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== ERROR_BUFFER_OVERFLOW)
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{
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FREE(pAddresses);
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pAddresses = (IP_ADAPTER_ADDRESSES*) MALLOC(outBufLen);
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}
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@ -140,7 +146,8 @@ namespace net
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AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen
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);
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if(dwRetVal != NO_ERROR) {
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if(dwRetVal != NO_ERROR)
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{
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LogPrint(eLogError, "NetIface: GetMTU(): enclosed GetAdaptersAddresses() call has failed");
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FREE(pAddresses);
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return fallback;
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@ -148,23 +155,28 @@ namespace net
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bool found_address = false;
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pCurrAddresses = pAddresses;
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while(pCurrAddresses) {
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while(pCurrAddresses)
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{
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PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress;
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pUnicast = pCurrAddresses->FirstUnicastAddress;
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if(pUnicast == nullptr) {
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if(pUnicast == nullptr)
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LogPrint(eLogError, "NetIface: GetMTU(): not a unicast ipv6 address, this is not supported");
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}
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for(int i = 0; pUnicast != nullptr; ++i) {
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for(int i = 0; pUnicast != nullptr; ++i)
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{
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LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr;
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sockaddr_in6 *localInterfaceAddress = (sockaddr_in6*) lpAddr;
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for (int j = 0; j != 8; ++j) {
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if (localInterfaceAddress->sin6_addr.u.Word[j] != inputAddress.sin6_addr.u.Word[j]) {
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for (int j = 0; j != 8; ++j)
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{
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if (localInterfaceAddress->sin6_addr.u.Word[j] != inputAddress.sin6_addr.u.Word[j])
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break;
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} else {
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else
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found_address = true;
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}
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} if (found_address) {
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}
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if (found_address)
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{
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auto result = pAddresses->Mtu;
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FREE(pAddresses);
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pAddresses = nullptr;
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@ -193,11 +205,14 @@ namespace net
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if (IsWindowsXPorLater())
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#define inet_pton inet_pton_xp
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if(localAddress.is_v4()) {
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if(localAddress.is_v4())
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{
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sockaddr_in inputAddress;
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inet_pton(AF_INET, localAddressUniversal.c_str(), &(inputAddress.sin_addr));
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return GetMTUWindowsIpv4(inputAddress, fallback);
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} else if(localAddress.is_v6()) {
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}
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else if(localAddress.is_v6())
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{
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sockaddr_in6 inputAddress;
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inet_pton(AF_INET6, localAddressUniversal.c_str(), &(inputAddress.sin6_addr));
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return GetMTUWindowsIpv6(inputAddress, fallback);
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@ -257,9 +272,9 @@ namespace net
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}
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else
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LogPrint(eLogWarning, "NetIface: interface for local address", localAddress.to_string(), " not found");
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freeifaddrs(ifaddr);
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freeifaddrs(ifaddr);
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return mtu;
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return mtu;
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}
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#endif // WIN32
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@ -309,7 +324,8 @@ namespace net
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}
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if(addrs) freeifaddrs(addrs);
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std::string fallback;
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if(ipv6) {
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if(ipv6)
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{
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fallback = "::";
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LogPrint(eLogWarning, "NetIface: cannot find ipv6 address for interface ", ifname);
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} else {
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