src/modules/m_spanningtree/postcommand.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2007 Craig Edwards <craigedwards@brainbox.cc>
   6  *
   7  * This file is part of InspIRCd.  InspIRCd is free software: you can
   8  * redistribute it and/or modify it under the terms of the GNU General Public
   9  * License as published by the Free Software Foundation, version 2.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "inspircd.h"
  21
  22 #include "main.h"
  23 #include "utils.h"
  24 #include "treeserver.h"
  25
  26 void ModuleSpanningTree::OnPostCommand(Command* command, const std::vector<std::string>& parameters, LocalUser* user, CmdResult result, const std::string& original_line)
  27 {
  28         if (result == CMD_SUCCESS)
  29                 Utils->RouteCommand(NULL, command, parameters, user);
  30 }
  31
  32 void SpanningTreeUtilities::RouteCommand(TreeServer* origin, CommandBase* thiscmd, const parameterlist& parameters, User* user)
  33 {
  34         const std::string& command = thiscmd->name;
  35         RouteDescriptor routing = thiscmd->GetRouting(user, parameters);
  36
  37         std::string sent_cmd = command;
  38         parameterlist params;
  39
  40         if (routing.type == ROUTE_TYPE_LOCALONLY)
  41         {
  42                 return;
  43         }
  44         else if (routing.type == ROUTE_TYPE_OPT_BCAST)
  45         {
  46                 params.push_back("*");
  47                 params.push_back(command);
  48                 sent_cmd = "ENCAP";
  49         }
  50         else if (routing.type == ROUTE_TYPE_OPT_UCAST)
  51         {
  52                 TreeServer* sdest = FindServer(routing.serverdest);
  53                 if (!sdest)
  54                 {
  55                         ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Trying to route ENCAP to nonexistant server %s",
  56                                 routing.serverdest.c_str());
  57                         return;
  58                 }
  59                 params.push_back(sdest->GetID());
  60                 params.push_back(command);
  61                 sent_cmd = "ENCAP";
  62         }
  63         else
  64         {
  65                 Module* srcmodule = thiscmd->creator;
  66                 Version ver = srcmodule->GetVersion();
  67
  68                 if (!(ver.Flags & (VF_COMMON | VF_CORE)) && srcmodule != Creator)
  69                 {
  70                         ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Routed command %s from non-VF_COMMON module %s",
  71                                 command.c_str(), srcmodule->ModuleSourceFile.c_str());
  72                         return;
  73                 }
  74         }
  75
  76         std::string output_text = CommandParser::TranslateUIDs(thiscmd->translation, parameters, true, thiscmd);
  77
  78         params.push_back(output_text);
  79
  80         if (routing.type == ROUTE_TYPE_MESSAGE)
  81         {
  82                 char pfx = 0;
  83                 std::string dest = routing.serverdest;
  84                 if (ServerInstance->Modes->FindPrefix(dest[0]))
  85                 {
  86                         pfx = dest[0];
  87                         dest = dest.substr(1);
  88                 }
  89                 if (dest[0] == '#')
  90                 {
  91                         Channel* c = ServerInstance->FindChan(dest);
  92                         if (!c)
  93                                 return;
  94                         TreeServerList list;
  95                         // TODO OnBuildExemptList hook was here
  96                         GetListOfServersForChannel(c,list,pfx, CUList());
  97                         std::string data = ":" + user->uuid + " " + sent_cmd;
  98                         for (unsigned int x = 0; x < params.size(); x++)
  99                                 data += " " + params[x];
 100                         for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 101                         {
 102                                 TreeSocket* Sock = (*i)->GetSocket();
 103                                 if (origin && origin->GetSocket() == Sock)
 104                                         continue;
 105                                 if (Sock)
 106                                         Sock->WriteLine(data);
 107                         }
 108                 }
 109                 else if (dest[0] == '$')
 110                 {
 111                         if (origin)
 112                                 DoOneToAllButSender(user->uuid, sent_cmd, params, origin->GetName());
 113                         else
 114                                 DoOneToMany(user->uuid, sent_cmd, params);
 115                 }
 116                 else
 117                 {
 118                         // user target?
 119                         User* d = ServerInstance->FindNick(dest);
 120                         if (!d)
 121                                 return;
 122                         TreeServer* tsd = BestRouteTo(d->server);
 123                         if (tsd == origin)
 124                                 // huh? no routing stuff around in a circle, please.
 125                                 return;
 126                         DoOneToOne(user->uuid, sent_cmd, params, d->server);
 127                 }
 128         }
 129         else if (routing.type == ROUTE_TYPE_BROADCAST || routing.type == ROUTE_TYPE_OPT_BCAST)
 130         {
 131                 if (origin)
 132                         DoOneToAllButSender(user->uuid, sent_cmd, params, origin->GetName());
 133                 else
 134                         DoOneToMany(user->uuid, sent_cmd, params);
 135         }
 136         else if (routing.type == ROUTE_TYPE_UNICAST || routing.type == ROUTE_TYPE_OPT_UCAST)
 137         {
 138                 if (origin && routing.serverdest == origin->GetName())
 139                         return;
 140                 DoOneToOne(user->uuid, sent_cmd, params, routing.serverdest);
 141         }
 142 }