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 class ModuleOverride : public Module
33 ChanModeReference topiclock;
34 ChanModeReference inviteonly;
35 ChanModeReference key;
36 ChanModeReference limit;
40 : topiclock(this, "topiclock")
41 , inviteonly(this, "inviteonly")
43 , limit(this, "limit")
47 void init() CXX11_OVERRIDE
49 // read our config options (main config file)
51 ServerInstance->SNO->EnableSnomask('v', "OVERRIDE");
54 void OnRehash(User* user) CXX11_OVERRIDE
56 // re-read our config options on a rehash
57 ConfigTag* tag = ServerInstance->Config->ConfValue("override");
58 NoisyOverride = tag->getBool("noisy");
59 RequireKey = tag->getBool("requirekey");
62 void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
67 bool CanOverride(User* source, const char* token)
69 std::string tokenlist = source->oper->getConfig("override");
71 // its defined or * is set, return its value as a boolean for if the token is set
72 return ((tokenlist.find(token, 0) != std::string::npos) || (tokenlist.find("*", 0) != std::string::npos));
76 ModResult OnPreTopicChange(User *source, Channel *channel, const std::string &topic) CXX11_OVERRIDE
78 if (IS_LOCAL(source) && source->IsOper() && CanOverride(source, "TOPIC"))
80 if (!channel->HasUser(source) || (channel->IsModeSet(topiclock) && channel->GetPrefixValue(source) < HALFOP_VALUE))
82 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to change a topic on "+channel->name);
89 return MOD_RES_PASSTHRU;
92 ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE
94 if (source->IsOper() && CanOverride(source,"KICK"))
96 // If the kicker's status is less than the target's, or the kicker's status is less than or equal to voice
97 if ((memb->chan->GetPrefixValue(source) < memb->getRank()) || (memb->chan->GetPrefixValue(source) <= VOICE_VALUE))
99 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to kick "+memb->user->nick+" on "+memb->chan->name+" ("+reason+")");
100 return MOD_RES_ALLOW;
103 return MOD_RES_PASSTHRU;
106 ModResult OnPreMode(User* source,User* dest,Channel* channel, const std::vector<std::string>& parameters) CXX11_OVERRIDE
108 if (!source || !channel)
109 return MOD_RES_PASSTHRU;
110 if (!source->IsOper() || !IS_LOCAL(source))
111 return MOD_RES_PASSTHRU;
113 unsigned int mode = channel->GetPrefixValue(source);
115 if (mode < HALFOP_VALUE && CanOverride(source, "MODE"))
117 std::string msg = source->nick+" overriding modes:";
118 for(unsigned int i=0; i < parameters.size(); i++)
119 msg += " " + parameters[i];
120 ServerInstance->SNO->WriteGlobalSno('v',msg);
121 return MOD_RES_ALLOW;
123 return MOD_RES_PASSTHRU;
126 ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
132 if (chan->IsModeSet(inviteonly) && (CanOverride(user,"INVITE")))
134 if (!IS_LOCAL(user)->IsInvited(chan))
136 if (RequireKey && keygiven != "override")
138 // Can't join normally -- must use a special key to bypass restrictions
139 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
140 return MOD_RES_PASSTHRU;
144 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass invite-only", cname.c_str(), user->nick.c_str());
145 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +i on " + cname);
147 return MOD_RES_ALLOW;
150 if (chan->IsModeSet(key) && (CanOverride(user,"KEY")) && keygiven != chan->GetModeParameter(key))
152 if (RequireKey && keygiven != "override")
154 // Can't join normally -- must use a special key to bypass restrictions
155 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
156 return MOD_RES_PASSTHRU;
160 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel key", cname.c_str(), user->nick.c_str());
161 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +k on " + cname);
162 return MOD_RES_ALLOW;
165 if (chan->IsModeSet(limit) && (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter(limit))) && (CanOverride(user,"LIMIT")))
167 if (RequireKey && keygiven != "override")
169 // Can't join normally -- must use a special key to bypass restrictions
170 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
171 return MOD_RES_PASSTHRU;
175 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass the channel limit", cname.c_str(), user->nick.c_str());
176 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +l on " + cname);
177 return MOD_RES_ALLOW;
180 if (chan->IsBanned(user) && CanOverride(user,"BANWALK"))
182 if (RequireKey && keygiven != "override")
184 // Can't join normally -- must use a special key to bypass restrictions
185 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
186 return MOD_RES_PASSTHRU;
190 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass channel ban", cname.c_str(), user->nick.c_str());
191 ServerInstance->SNO->WriteGlobalSno('v',"%s used oper override to bypass channel ban on %s", user->nick.c_str(), cname.c_str());
192 return MOD_RES_ALLOW;
196 return MOD_RES_PASSTHRU;
199 Version GetVersion() CXX11_OVERRIDE
201 return Version("Provides support for allowing opers to override certain things",VF_VENDOR);
205 MODULE_INIT(ModuleOverride)