]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_spanningtree/resolvers.cpp
Merge pull request #495 from SaberUK/master+fix-libcpp
[user/henk/code/inspircd.git] / src / modules / m_spanningtree / resolvers.cpp
index 80971c69979e8a0cacba9b2812f2b9e636483351..b0be2cd60fe82594ae7e64fb7a10aa03874151b7 100644 (file)
@@ -1 +1,110 @@
-/*       +------------------------------------+\r *       | Inspire Internet Relay Chat Daemon |\r *       +------------------------------------+\r *\r *  InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r *            the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "configreader.h"\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "commands/cmd_whois.h"\r#include "commands/cmd_stats.h"\r#include "socket.h"\r#include "wildcard.h"\r#include "xline.h"\r#include "transport.h"\r\r#include "m_spanningtree/resolvers.h"\r#include "m_spanningtree/main.h"\r#include "m_spanningtree/utils.h"\r#include "m_spanningtree/treeserver.h"\r#include "m_spanningtree/link.h"\r#include "m_spanningtree/treesocket.h"\r\r/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */\r\r/** This class is used to resolve server hostnames during /connect and autoconnect.\r * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this\r * resolver step first ourselves if we need it. This is totally nonblocking, and will\r * callback to OnLookupComplete or OnError when completed. Once it has completed we\r * will have an IP address which we can then use to continue our connection.\r */\rServernameResolver::ServernameResolver(Module* me, SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt) : Resolver(Instance, hostname, qt, cached, me), MyLink(x), Utils(Util), query(qt), host(hostname), mine(me)\r{\r /* Nothing in here, folks */\r}\r\rvoid ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached)\r{\r  /* Initiate the connection, now that we have an IP to use.\r      * Passing a hostname directly to InspSocket causes it to\r       * just bail and set its FD to -1.\r      */\r    TreeServer* CheckDupe = Utils->FindServer(MyLink.Name.c_str());\r        if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */\r       {\r\r             if ((!MyLink.Hook.empty()) && (Utils->hooks.find(MyLink.Hook.c_str()) ==  Utils->hooks.end()))\r                 return;\r\r               TreeSocket* newsocket = new TreeSocket(this->Utils, ServerInstance, result,MyLink.Port,false,MyLink.Timeout ? MyLink.Timeout : 10,MyLink.Name.c_str(),\r                                                 MyLink.Bind, MyLink.Hook.empty() ? NULL : Utils->hooks[MyLink.Hook.c_str()]);\r          if (newsocket->GetFd() > -1)\r           {\r                      /* We're all OK */\r             }\r              else\r           {\r                      /* Something barfed, show the opers */\r                 ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));\r                      delete newsocket;\r                      Utils->DoFailOver(&MyLink);\r            }\r      }\r}\r\rvoid ServernameResolver::OnError(ResolverError e, const std::string &errormessage)\r{\r      /* Ooops! */\r   if (query == DNS_QUERY_AAAA)\r   {\r              bool cached;\r           ServernameResolver* snr = new ServernameResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A);\r              ServerInstance->AddResolver(snr, cached);\r              return;\r        }\r      ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str());\r     Utils->DoFailOver(&MyLink);\r}\r\r
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2007 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "inspircd.h"
+
+#include "resolvers.h"
+#include "main.h"
+#include "utils.h"
+#include "treeserver.h"
+#include "link.h"
+#include "treesocket.h"
+
+/* $ModDep: m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
+
+/** This class is used to resolve server hostnames during /connect and autoconnect.
+ * As of 1.1, the resolver system is seperated out from BufferedSocket, so we must do this
+ * resolver step first ourselves if we need it. This is totally nonblocking, and will
+ * callback to OnLookupComplete or OnError when completed. Once it has completed we
+ * will have an IP address which we can then use to continue our connection.
+ */
+ServernameResolver::ServernameResolver(SpanningTreeUtilities* Util, const std::string &hostname, Link* x, bool &cached, QueryType qt, Autoconnect* myac)
+       : Resolver(hostname, qt, cached, Util->Creator), Utils(Util), query(qt), host(hostname), MyLink(x), myautoconnect(myac)
+{
+}
+
+void ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached)
+{
+       /* Initiate the connection, now that we have an IP to use.
+        * Passing a hostname directly to BufferedSocket causes it to
+        * just bail and set its FD to -1.
+        */
+       TreeServer* CheckDupe = Utils->FindServer(MyLink->Name.c_str());
+       if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
+       {
+               TreeSocket* newsocket = new TreeSocket(Utils, MyLink, myautoconnect, result);
+               if (newsocket->GetFd() > -1)
+               {
+                       /* We're all OK */
+               }
+               else
+               {
+                       /* Something barfed, show the opers */
+                       ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: %s.",
+                               MyLink->Name.c_str(), newsocket->getError().c_str());
+                       ServerInstance->GlobalCulls.AddItem(newsocket);
+               }
+       }
+}
+
+void ServernameResolver::OnError(ResolverError e, const std::string &errormessage)
+{
+       /* Ooops! */
+       if (query == DNS_QUERY_AAAA)
+       {
+               bool cached = false;
+               ServernameResolver* snr = new ServernameResolver(Utils, host, MyLink, cached, DNS_QUERY_A, myautoconnect);
+               ServerInstance->AddResolver(snr, cached);
+               return;
+       }
+       ServerInstance->SNO->WriteToSnoMask('l', "CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s", MyLink->Name.c_str(), errormessage.c_str() );
+       Utils->Creator->ConnectServer(myautoconnect, false);
+}
+
+SecurityIPResolver::SecurityIPResolver(Module* me, SpanningTreeUtilities* U, const std::string &hostname, Link* x, bool &cached, QueryType qt)
+               : Resolver(hostname, qt, cached, me), MyLink(x), Utils(U), mine(me), host(hostname), query(qt)
+{
+}
+
+void SecurityIPResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached)
+{
+       for (std::vector<reference<Link> >::iterator i = Utils->LinkBlocks.begin(); i != Utils->LinkBlocks.end(); ++i)
+       {
+               Link* L = *i;
+               if (L->IPAddr == host)
+               {
+                       Utils->ValidIPs.push_back(result);
+                       break;
+               }
+       }
+}
+
+void SecurityIPResolver::OnError(ResolverError e, const std::string &errormessage)
+{
+       if (query == DNS_QUERY_AAAA)
+       {
+               bool cached = false;
+               SecurityIPResolver* res = new SecurityIPResolver(mine, Utils, host, MyLink, cached, DNS_QUERY_A);
+               ServerInstance->AddResolver(res, cached);
+               return;
+       }
+       ServerInstance->Logs->Log("m_spanningtree",LOG_DEFAULT,"Could not resolve IP associated with Link '%s': %s",
+               MyLink->Name.c_str(),errormessage.c_str());
+}