2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2009 Uli Schlachter <psychon@znc.in>
6 * Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
7 * Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
8 * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
9 * Copyright (C) 2008 Geoff Bricker <geoff.bricker@gmail.com>
10 * Copyright (C) 2004-2006 Craig Edwards <craigedwards@brainbox.cc>
11 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
13 * This file is part of InspIRCd. InspIRCd is free software: you can
14 * redistribute it and/or modify it under the terms of the GNU General Public
15 * License as published by the Free Software Foundation, version 2.
17 * This program is distributed in the hope that it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
19 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
22 * You should have received a copy of the GNU General Public License
23 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 /* $ModDesc: Provides support for allowing opers to override certain things. */
31 class ModuleOverride : public Module
40 // read our config options (main config file)
42 ServerInstance->SNO->EnableSnomask('v', "OVERRIDE");
43 Implementation eventlist[] = { I_OnRehash, I_OnPreMode, I_On005Numeric, I_OnUserPreJoin, I_OnUserPreKick, I_OnPreTopicChange };
44 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
47 void OnRehash(User* user)
49 // re-read our config options on a rehash
50 ConfigTag* tag = ServerInstance->Config->ConfValue("override");
51 NoisyOverride = tag->getBool("noisy");
52 RequireKey = tag->getBool("requirekey");
55 void On005Numeric(std::map<std::string, std::string>& tokens)
60 bool CanOverride(User* source, const char* token)
62 std::string tokenlist = source->oper->getConfig("override");
64 // its defined or * is set, return its value as a boolean for if the token is set
65 return ((tokenlist.find(token, 0) != std::string::npos) || (tokenlist.find("*", 0) != std::string::npos));
69 ModResult OnPreTopicChange(User *source, Channel *channel, const std::string &topic)
71 if (IS_LOCAL(source) && source->IsOper() && CanOverride(source, "TOPIC"))
73 if (!channel->HasUser(source) || (channel->IsModeSet('t') && channel->GetPrefixValue(source) < HALFOP_VALUE))
75 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to change a topic on "+channel->name);
82 return MOD_RES_PASSTHRU;
85 ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason)
87 if (source->IsOper() && CanOverride(source,"KICK"))
89 // If the kicker's status is less than the target's, or the kicker's status is less than or equal to voice
90 if ((memb->chan->GetPrefixValue(source) < memb->getRank()) || (memb->chan->GetPrefixValue(source) <= VOICE_VALUE))
92 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to kick "+memb->user->nick+" on "+memb->chan->name+" ("+reason+")");
96 return MOD_RES_PASSTHRU;
99 ModResult OnPreMode(User* source,User* dest,Channel* channel, const std::vector<std::string>& parameters)
101 if (!source || !channel)
102 return MOD_RES_PASSTHRU;
103 if (!source->IsOper() || !IS_LOCAL(source))
104 return MOD_RES_PASSTHRU;
106 unsigned int mode = channel->GetPrefixValue(source);
108 if (mode < HALFOP_VALUE && CanOverride(source, "MODE"))
110 std::string msg = source->nick+" overriding modes:";
111 for(unsigned int i=0; i < parameters.size(); i++)
112 msg += " " + parameters[i];
113 ServerInstance->SNO->WriteGlobalSno('v',msg);
114 return MOD_RES_ALLOW;
116 return MOD_RES_PASSTHRU;
119 ModResult OnUserPreJoin(User* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven)
121 if (IS_LOCAL(user) && user->IsOper())
125 if (chan->IsModeSet('i') && (CanOverride(user,"INVITE")))
127 irc::string x(chan->name.c_str());
128 if (!IS_LOCAL(user)->IsInvited(x))
130 if (RequireKey && keygiven != "override")
132 // Can't join normally -- must use a special key to bypass restrictions
133 user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str());
134 return MOD_RES_PASSTHRU;
138 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass invite-only", cname.c_str(), user->nick.c_str());
139 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +i on " + cname);
141 return MOD_RES_ALLOW;
144 if (chan->IsModeSet('k') && (CanOverride(user,"KEY")) && keygiven != chan->GetModeParameter('k'))
146 if (RequireKey && keygiven != "override")
148 // Can't join normally -- must use a special key to bypass restrictions
149 user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str());
150 return MOD_RES_PASSTHRU;
154 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel key", cname.c_str(), user->nick.c_str());
155 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +k on " + cname);
156 return MOD_RES_ALLOW;
159 if (chan->IsModeSet('l') && (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter('l'))) && (CanOverride(user,"LIMIT")))
161 if (RequireKey && keygiven != "override")
163 // Can't join normally -- must use a special key to bypass restrictions
164 user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str());
165 return MOD_RES_PASSTHRU;
169 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel limit", cname.c_str(), user->nick.c_str());
170 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +l on " + cname);
171 return MOD_RES_ALLOW;
174 if (chan->IsBanned(user) && CanOverride(user,"BANWALK"))
176 if (RequireKey && keygiven != "override")
178 // Can't join normally -- must use a special key to bypass restrictions
179 user->WriteServ("NOTICE %s :*** You may not join normally. You must join with a key of 'override' to oper override.", user->nick.c_str());
180 return MOD_RES_PASSTHRU;
184 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass channel ban", cname.c_str(), user->nick.c_str());
185 ServerInstance->SNO->WriteGlobalSno('v',"%s used oper override to bypass channel ban on %s", user->nick.c_str(), cname.c_str());
186 return MOD_RES_ALLOW;
190 return MOD_RES_PASSTHRU;
195 return Version("Provides support for allowing opers to override certain things",VF_VENDOR);
199 MODULE_INIT(ModuleOverride)