Remove unused NumServers field

[user/henk/code/inspircd.git] / src / listensocket.cpp

diff --git a/src/listensocket.cpp b/src/listensocket.cpp
index 961156ae6f74e4b846397d6ab3ef9d4ea33446d2..82d899bb4d67c3d0742f53bd71c4a5216f3b0392 100644 (file)
--- a/src/listensocket.cpp
+++ b/src/listensocket.cpp
@@ -2,7 +2,7 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
  * See: http://www.inspircd.org/wiki/index.php/Credits
  *
  * This program is free but copyrighted software; see
@@ -120,7 +120,7 @@ void ListenSocketBase::AcceptInternal()
        }
 
        static char buf[MAXBUF];
-       static char target[MAXBUF];     
+       static char target[MAXBUF];
 
        *target = *buf = '\0';
 
@@ -133,6 +133,33 @@ void ListenSocketBase::AcceptInternal()
                        inet_ntop(AF_INET6, &((const sockaddr_in6*)raddr)->sin6_addr, target, sizeof(target));
                else
                        ServerInstance->Logs->Log("SOCKET", DEBUG, "Can't get peername: %s", strerror(errno));
+
+               /*
+                * This case is the be all and end all patch to catch and nuke 4in6
+                * instead of special-casing shit all over the place and wreaking merry
+                * havoc with crap, instead, we just recreate sockaddr and strip ::ffff: prefix
+                * if it's a 4in6 IP.
+                *
+                * This is, of course, much improved over the older way of handling this
+                * (pretend it doesn't exist + hack around it -- yes, both were done!)
+                *
+                * Big, big thanks to danieldg for his work on this.
+                * -- w00t
+                */
+               static const unsigned char prefix4in6[12] = { 0,0,0,0,  0,0,0,0, 0,0,0xFF,0xFF };
+               if (!memcmp(prefix4in6, &((const sockaddr_in6*)client)->sin6_addr, 12))
+               {
+                       // strip leading ::ffff: from the IPs
+                       memmove(buf, buf+7, sizeof(buf)-7);
+                       memmove(target, target+7, sizeof(target)-7);
+
+                       // recreate as a sockaddr_in using the IPv4 IP
+                       uint16_t sport = ((const sockaddr_in6*)client)->sin6_port;
+                       struct sockaddr_in* clientv4 = (struct sockaddr_in*)client;
+                       clientv4->sin_family = AF_INET;
+                       clientv4->sin_port = sport;
+                       inet_pton(AF_INET, buf, &clientv4->sin_addr);
+               }
        }
        else
 #endif
@@ -168,5 +195,5 @@ void ListenSocketBase::HandleEvent(EventType e, int err)
 
 void ClientListenSocket::OnAcceptReady(const std::string &ipconnectedto, int nfd, const std::string &incomingip)
 {
-       ServerInstance->Users->AddUser(ServerInstance, nfd, bind_port, false, this->family, client, ipconnectedto);
+       ServerInstance->Users->AddUser(ServerInstance, nfd, bind_port, false, client, ipconnectedto);
 }