src/modules/m_sajoin.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
   5  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
   6  *   Copyright (C) 2004-2005, 2007 Craig Edwards <craigedwards@brainbox.cc>
   7  *
   8  * This file is part of InspIRCd.  InspIRCd is free software: you can
   9  * redistribute it and/or modify it under the terms of the GNU General Public
  10  * License as published by the Free Software Foundation, version 2.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  15  * details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21
  22 #include "inspircd.h"
  23
  24 /** Handle /SAJOIN
  25  */
  26 class CommandSajoin : public Command
  27 {
  28  public:
  29         CommandSajoin(Module* Creator) : Command(Creator,"SAJOIN", 1)
  30         {
  31                 allow_empty_last_param = false;
  32                 flags_needed = 'o'; syntax = "[<nick>] <channel>[,<channel>]";
  33                 TRANSLATE2(TR_NICK, TR_TEXT);
  34         }
  35
  36         CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
  37         {
  38                 const unsigned int channelindex = (parameters.size() > 1) ? 1 : 0;
  39                 if (CommandParser::LoopCall(user, this, parameters, channelindex))
  40                         return CMD_FAILURE;
  41
  42                 const std::string& channel = parameters[channelindex];
  43                 const std::string& nickname = parameters.size() > 1 ? parameters[0] : user->nick;
  44
  45                 User* dest = ServerInstance->FindNick(nickname);
  46                 if ((dest) && (dest->registered == REG_ALL))
  47                 {
  48                         if (user != dest && !user->HasPrivPermission("users/sajoin-others", false))
  49                         {
  50                                 user->WriteNotice("*** You are not allowed to /SAJOIN other users (the privilege users/sajoin-others is needed to /SAJOIN others).");
  51                                 return CMD_FAILURE;
  52                         }
  53
  54                         if (dest->server->IsULine())
  55                         {
  56                                 user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a u-lined client");
  57                                 return CMD_FAILURE;
  58                         }
  59                         if (IS_LOCAL(user) && !ServerInstance->IsChannel(channel))
  60                         {
  61                                 /* we didn't need to check this for each character ;) */
  62                                 user->WriteNotice("*** Invalid characters in channel name or name too long");
  63                                 return CMD_FAILURE;
  64                         }
  65
  66                         Channel* chan = ServerInstance->FindChan(channel);
  67                         if ((chan) && (chan->HasUser(dest)))
  68                         {
  69                                 user->WriteRemoteNotice("*** " + dest->nick + " is already on " + channel);
  70                                 return CMD_FAILURE;
  71                         }
  72
  73                         /* For local users, we call Channel::JoinUser which may create a channel and set its TS.
  74                          * For non-local users, we just return CMD_SUCCESS, knowing this will propagate it where it needs to be
  75                          * and then that server will handle the command.
  76                          */
  77                         LocalUser* localuser = IS_LOCAL(dest);
  78                         if (localuser)
  79                         {
  80                                 chan = Channel::JoinUser(localuser, channel, true);
  81                                 if (chan)
  82                                 {
  83                                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used SAJOIN to make "+dest->nick+" join "+channel);
  84                                         return CMD_SUCCESS;
  85                                 }
  86                                 else
  87                                 {
  88                                         user->WriteNotice("*** Could not join "+dest->nick+" to "+channel);
  89                                         return CMD_FAILURE;
  90                                 }
  91                         }
  92                         else
  93                         {
  94                                 return CMD_SUCCESS;
  95                         }
  96                 }
  97                 else
  98                 {
  99                         user->WriteNotice("*** No such nickname "+nickname);
 100                         return CMD_FAILURE;
 101                 }
 102         }
 103
 104         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) CXX11_OVERRIDE
 105         {
 106                 return ROUTE_OPT_UCAST(parameters[0]);
 107         }
 108 };
 109
 110 class ModuleSajoin : public Module
 111 {
 112         CommandSajoin cmd;
 113  public:
 114         ModuleSajoin()
 115                 : cmd(this)
 116         {
 117         }
 118
 119         Version GetVersion() CXX11_OVERRIDE
 120         {
 121                 return Version("Provides command SAJOIN to allow opers to force-join users to channels", VF_OPTCOMMON | VF_VENDOR);
 122         }
 123 };
 124
 125 MODULE_INIT(ModuleSajoin)