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 /* $ModDep: m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h */
  27
  28 void ModuleSpanningTree::OnPostCommand(Command* command, const std::vector<std::string>& parameters, LocalUser* user, CmdResult result, const std::string& original_line)
  29 {
  30         if (result == CMD_SUCCESS)
  31                 Utils->RouteCommand(NULL, command, parameters, user);
  32 }
  33
  34 void SpanningTreeUtilities::RouteCommand(TreeServer* origin, Command* thiscmd, const parameterlist& parameters, User* user)
  35 {
  36         const std::string& command = thiscmd->name;
  37         RouteDescriptor routing = thiscmd->GetRouting(user, parameters);
  38
  39         std::string sent_cmd = command;
  40         parameterlist params;
  41
  42         if (routing.type == ROUTE_TYPE_LOCALONLY)
  43         {
  44                 return;
  45         }
  46         else if (routing.type == ROUTE_TYPE_OPT_BCAST)
  47         {
  48                 params.push_back("*");
  49                 params.push_back(command);
  50                 sent_cmd = "ENCAP";
  51         }
  52         else if (routing.type == ROUTE_TYPE_OPT_UCAST)
  53         {
  54                 TreeServer* sdest = FindServer(routing.serverdest);
  55                 if (!sdest)
  56                 {
  57                         ServerInstance->Logs->Log("m_spanningtree", LOG_DEFAULT, "Trying to route ENCAP to nonexistant server %s",
  58                                 routing.serverdest.c_str());
  59                         return;
  60                 }
  61                 params.push_back(sdest->GetID());
  62                 params.push_back(command);
  63                 sent_cmd = "ENCAP";
  64         }
  65         else
  66         {
  67                 Module* srcmodule = thiscmd->creator;
  68                 Version ver = srcmodule->GetVersion();
  69
  70                 if (!(ver.Flags & (VF_COMMON | VF_CORE)) && srcmodule != Creator)
  71                 {
  72                         ServerInstance->Logs->Log("m_spanningtree", LOG_DEFAULT, "Routed command %s from non-VF_COMMON module %s",
  73                                 command.c_str(), srcmodule->ModuleSourceFile.c_str());
  74                         return;
  75                 }
  76         }
  77
  78         std::string output_text;
  79         ServerInstance->Parser->TranslateUIDs(thiscmd->translation, parameters, output_text, true, thiscmd);
  80
  81         params.push_back(output_text);
  82
  83         if (routing.type == ROUTE_TYPE_MESSAGE)
  84         {
  85                 char pfx = 0;
  86                 std::string dest = routing.serverdest;
  87                 if (ServerInstance->Modes->FindPrefix(dest[0]))
  88                 {
  89                         pfx = dest[0];
  90                         dest = dest.substr(1);
  91                 }
  92                 if (dest[0] == '#')
  93                 {
  94                         Channel* c = ServerInstance->FindChan(dest);
  95                         if (!c)
  96                                 return;
  97                         TreeServerList list;
  98                         // TODO OnBuildExemptList hook was here
  99                         GetListOfServersForChannel(c,list,pfx, CUList());
 100                         std::string data = ":" + user->uuid + " " + sent_cmd;
 101                         for (unsigned int x = 0; x < params.size(); x++)
 102                                 data += " " + params[x];
 103                         for (TreeServerList::iterator i = list.begin(); i != list.end(); i++)
 104                         {
 105                                 TreeSocket* Sock = (*i)->GetSocket();
 106                                 if (origin && origin->GetSocket() == Sock)
 107                                         continue;
 108                                 if (Sock)
 109                                         Sock->WriteLine(data);
 110                         }
 111                 }
 112                 else if (dest[0] == '$')
 113                 {
 114                         if (origin)
 115                                 DoOneToAllButSender(user->uuid, sent_cmd, params, origin->GetName());
 116                         else
 117                                 DoOneToMany(user->uuid, sent_cmd, params);
 118                 }
 119                 else
 120                 {
 121                         // user target?
 122                         User* d = ServerInstance->FindNick(dest);
 123                         if (!d)
 124                                 return;
 125                         TreeServer* tsd = BestRouteTo(d->server);
 126                         if (tsd == origin)
 127                                 // huh? no routing stuff around in a circle, please.
 128                                 return;
 129                         DoOneToOne(user->uuid, sent_cmd, params, d->server);
 130                 }
 131         }
 132         else if (routing.type == ROUTE_TYPE_BROADCAST || routing.type == ROUTE_TYPE_OPT_BCAST)
 133         {
 134                 if (origin)
 135                         DoOneToAllButSender(user->uuid, sent_cmd, params, origin->GetName());
 136                 else
 137                         DoOneToMany(user->uuid, sent_cmd, params);
 138         }
 139         else if (routing.type == ROUTE_TYPE_UNICAST || routing.type == ROUTE_TYPE_OPT_UCAST)
 140         {
 141                 if (origin && routing.serverdest == origin->GetName())
 142                         return;
 143                 DoOneToOne(user->uuid, sent_cmd, params, routing.serverdest);
 144         }
 145 }