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add yggdrasil address search for windows

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Signed-off-by: R4SAS <r4sas@i2pmail.org>
This commit is contained in:
R4SAS 2021-02-10 17:58:14 +03:00
parent 004f3532a0
commit 63127ab181
Signed by: r4sas
GPG Key ID: 66F6C87B98EBCFE2
1 changed files with 49 additions and 1 deletions
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50
libi2pd/util.cpp
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@ -431,9 +431,56 @@ namespace net
boost::asio::ip::address_v6 GetYggdrasilAddress () boost::asio::ip::address_v6 GetYggdrasilAddress ()
{ {
#if (defined(_WIN32) || defined(ANDROID)) #if defined(ANDROID)
// TODO: implement // TODO: implement
return boost::asio::ip::address_v6 (); return boost::asio::ip::address_v6 ();
#elif defined(_WIN32)
ULONG outBufLen = 0;
PIP_ADAPTER_ADDRESSES pAddresses = nullptr;
PIP_ADAPTER_ADDRESSES pCurrAddresses = nullptr;
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr;
if(GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen)
== ERROR_BUFFER_OVERFLOW)
{
FREE(pAddresses);
pAddresses = (IP_ADAPTER_ADDRESSES*) MALLOC(outBufLen);
}
DWORD dwRetVal = GetAdaptersAddresses(
AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen
);
if(dwRetVal != NO_ERROR)
{
LogPrint(eLogError, "NetIface: GetYggdrasilAddress(): enclosed GetAdaptersAddresses() call has failed");
FREE(pAddresses);
return boost::asio::ip::address_v6 ();
}
pCurrAddresses = pAddresses;
while(pCurrAddresses)
{
PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress;
pUnicast = pCurrAddresses->FirstUnicastAddress;
for(int i = 0; pUnicast != nullptr; ++i)
{
LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr;
sockaddr_in6 *localInterfaceAddress = (sockaddr_in6*) lpAddr;
if (IsYggdrasilAddress(localInterfaceAddress->sin6_addr.u.Byte)) {
boost::asio::ip::address_v6::bytes_type bytes;
memcpy (bytes.data (), &localInterfaceAddress->sin6_addr.u.Byte, 16);
FREE(pAddresses);
return boost::asio::ip::address_v6 (bytes);
}
pUnicast = pUnicast->Next;
}
pCurrAddresses = pCurrAddresses->Next;
}
LogPrint(eLogWarning, "NetIface: interface with yggdrasil network address not found");
FREE(pAddresses);
return boost::asio::ip::address_v6 ();
#else #else
ifaddrs * addrs = nullptr; ifaddrs * addrs = nullptr;
auto err = getifaddrs(&addrs); auto err = getifaddrs(&addrs);
@ -456,6 +503,7 @@ namespace net
cur = cur->ifa_next; cur = cur->ifa_next;
} }
} }
LogPrint(eLogWarning, "NetIface: interface with yggdrasil network address not found");
if(addrs) freeifaddrs(addrs); if(addrs) freeifaddrs(addrs);
return boost::asio::ip::address_v6 (); return boost::asio::ip::address_v6 ();
#endif #endif