src/modules/m_sajoin.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2013, 2018-2020 Sadie Powell <sadie@witchery.services>
   5  *   Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
   6  *   Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
   7  *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
   8  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   9  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
  10  *   Copyright (C) 2006 jamie <jamie@e03df62e-2008-0410-955e-edbf42e46eb7>
  11  *   Copyright (C) 2005, 2007 Robin Burchell <robin+git@viroteck.net>
  12  *   Copyright (C) 2004, 2007, 2010 Craig Edwards <brain@inspircd.org>
  13  *
  14  * This file is part of InspIRCd.  InspIRCd is free software: you can
  15  * redistribute it and/or modify it under the terms of the GNU General Public
  16  * License as published by the Free Software Foundation, version 2.
  17  *
  18  * This program is distributed in the hope that it will be useful, but WITHOUT
  19  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  20  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  21  * details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25  */
  26
  27
  28 #include "inspircd.h"
  29
  30 /** Handle /SAJOIN
  31  */
  32 class CommandSajoin : public Command
  33 {
  34  public:
  35         CommandSajoin(Module* Creator) : Command(Creator,"SAJOIN", 1)
  36         {
  37                 allow_empty_last_param = false;
  38                 flags_needed = 'o';
  39                 syntax = "[<nick>] <channel>[,<channel>]+";
  40                 TRANSLATE2(TR_NICK, TR_TEXT);
  41         }
  42
  43         CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
  44         {
  45                 const unsigned int channelindex = (parameters.size() > 1) ? 1 : 0;
  46                 if (CommandParser::LoopCall(user, this, parameters, channelindex))
  47                         return CMD_FAILURE;
  48
  49                 const std::string& channel = parameters[channelindex];
  50                 const std::string& nickname = parameters.size() > 1 ? parameters[0] : user->nick;
  51
  52                 User* dest = ServerInstance->FindNick(nickname);
  53                 if ((dest) && (dest->registered == REG_ALL))
  54                 {
  55                         if (user != dest && !user->HasPrivPermission("users/sajoin-others"))
  56                         {
  57                                 user->WriteNotice("*** You are not allowed to /SAJOIN other users (the privilege users/sajoin-others is needed to /SAJOIN others).");
  58                                 return CMD_FAILURE;
  59                         }
  60
  61                         if (dest->server->IsULine())
  62                         {
  63                                 user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a U-lined client");
  64                                 return CMD_FAILURE;
  65                         }
  66                         if (IS_LOCAL(user) && !ServerInstance->IsChannel(channel))
  67                         {
  68                                 /* we didn't need to check this for each character ;) */
  69                                 user->WriteNumeric(ERR_BADCHANMASK, channel, "Invalid channel name");
  70                                 return CMD_FAILURE;
  71                         }
  72
  73                         Channel* chan = ServerInstance->FindChan(channel);
  74                         if ((chan) && (chan->HasUser(dest)))
  75                         {
  76                                 user->WriteRemoteNotice("*** " + dest->nick + " is already on " + channel);
  77                                 return CMD_FAILURE;
  78                         }
  79
  80                         /* For local users, we call Channel::JoinUser which may create a channel and set its TS.
  81                          * For non-local users, we just return CMD_SUCCESS, knowing this will propagate it where it needs to be
  82                          * and then that server will handle the command.
  83                          */
  84                         LocalUser* localuser = IS_LOCAL(dest);
  85                         if (localuser)
  86                         {
  87                                 chan = Channel::JoinUser(localuser, channel, true);
  88                                 if (chan)
  89                                 {
  90                                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used SAJOIN to make "+dest->nick+" join "+channel);
  91                                         return CMD_SUCCESS;
  92                                 }
  93                                 else
  94                                 {
  95                                         user->WriteNotice("*** Could not join "+dest->nick+" to "+channel);
  96                                         return CMD_FAILURE;
  97                                 }
  98                         }
  99                         else
 100                         {
 101                                 return CMD_SUCCESS;
 102                         }
 103                 }
 104                 else
 105                 {
 106                         user->WriteNotice("*** No such nickname: '" + nickname + "'");
 107                         return CMD_FAILURE;
 108                 }
 109         }
 110
 111         RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
 112         {
 113                 return ROUTE_OPT_UCAST(parameters[0]);
 114         }
 115 };
 116
 117 class ModuleSajoin : public Module
 118 {
 119         CommandSajoin cmd;
 120  public:
 121         ModuleSajoin()
 122                 : cmd(this)
 123         {
 124         }
 125
 126         Version GetVersion() CXX11_OVERRIDE
 127         {
 128                 return Version("Adds the /SAJOIN command which allows server operators to force users to join one or more channels.", VF_OPTCOMMON | VF_VENDOR);
 129         }
 130 };
 131
 132 MODULE_INIT(ModuleSajoin)