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;
38 static bool IsOverride(unsigned int userlevel, const std::string& modeline)
40 for (std::string::const_iterator i = modeline.begin(); i != modeline.end(); ++i)
42 ModeHandler* mh = ServerInstance->Modes->FindMode(*i, MODETYPE_CHANNEL);
46 if (mh->GetLevelRequired() > userlevel)
54 : topiclock(this, "topiclock")
55 , inviteonly(this, "inviteonly")
57 , limit(this, "limit")
61 void init() CXX11_OVERRIDE
63 ServerInstance->SNO->EnableSnomask('v', "OVERRIDE");
66 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
68 // re-read our config options
69 ConfigTag* tag = ServerInstance->Config->ConfValue("override");
70 NoisyOverride = tag->getBool("noisy");
71 RequireKey = tag->getBool("requirekey");
74 void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
79 bool CanOverride(User* source, const char* token)
81 std::string tokenlist = source->oper->getConfig("override");
83 // its defined or * is set, return its value as a boolean for if the token is set
84 return ((tokenlist.find(token, 0) != std::string::npos) || (tokenlist.find("*", 0) != std::string::npos));
88 ModResult OnPreTopicChange(User *source, Channel *channel, const std::string &topic) CXX11_OVERRIDE
90 if (IS_LOCAL(source) && source->IsOper() && CanOverride(source, "TOPIC"))
92 if (!channel->HasUser(source) || (channel->IsModeSet(topiclock) && channel->GetPrefixValue(source) < HALFOP_VALUE))
94 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to change a topic on "+channel->name);
101 return MOD_RES_PASSTHRU;
104 ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE
106 if (source->IsOper() && CanOverride(source,"KICK"))
108 // If the kicker's status is less than the target's, or the kicker's status is less than or equal to voice
109 if ((memb->chan->GetPrefixValue(source) < memb->getRank()) || (memb->chan->GetPrefixValue(source) <= VOICE_VALUE))
111 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to kick "+memb->user->nick+" on "+memb->chan->name+" ("+reason+")");
112 return MOD_RES_ALLOW;
115 return MOD_RES_PASSTHRU;
118 ModResult OnPreMode(User* source,User* dest,Channel* channel, const std::vector<std::string>& parameters) CXX11_OVERRIDE
121 return MOD_RES_PASSTHRU;
122 if (!source->IsOper() || !IS_LOCAL(source))
123 return MOD_RES_PASSTHRU;
125 unsigned int mode = channel->GetPrefixValue(source);
127 if (!IsOverride(mode, parameters[1]))
128 return MOD_RES_PASSTHRU;
130 if (CanOverride(source, "MODE"))
132 std::string msg = source->nick+" overriding modes:";
133 for(unsigned int i=0; i < parameters.size(); i++)
134 msg += " " + parameters[i];
135 ServerInstance->SNO->WriteGlobalSno('v',msg);
136 return MOD_RES_ALLOW;
138 return MOD_RES_PASSTHRU;
141 ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
147 if (chan->IsModeSet(inviteonly) && (CanOverride(user,"INVITE")))
149 if (!IS_LOCAL(user)->IsInvited(chan))
151 if (RequireKey && keygiven != "override")
153 // Can't join normally -- must use a special key to bypass restrictions
154 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
155 return MOD_RES_PASSTHRU;
159 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass invite-only", cname.c_str(), user->nick.c_str());
160 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +i on " + cname);
162 return MOD_RES_ALLOW;
165 if (chan->IsModeSet(key) && (CanOverride(user,"KEY")) && keygiven != chan->GetModeParameter(key))
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 key", cname.c_str(), user->nick.c_str());
176 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +k on " + cname);
177 return MOD_RES_ALLOW;
180 if (chan->IsModeSet(limit) && (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter(limit))) && (CanOverride(user,"LIMIT")))
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 the channel limit", cname.c_str(), user->nick.c_str());
191 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass +l on " + cname);
192 return MOD_RES_ALLOW;
195 if (chan->IsBanned(user) && CanOverride(user,"BANWALK"))
197 if (RequireKey && keygiven != "override")
199 // Can't join normally -- must use a special key to bypass restrictions
200 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
201 return MOD_RES_PASSTHRU;
205 chan->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s used oper override to bypass channel ban", cname.c_str(), user->nick.c_str());
206 ServerInstance->SNO->WriteGlobalSno('v',"%s used oper override to bypass channel ban on %s", user->nick.c_str(), cname.c_str());
207 return MOD_RES_ALLOW;
211 return MOD_RES_PASSTHRU;
214 Version GetVersion() CXX11_OVERRIDE
216 return Version("Provides support for allowing opers to override certain things",VF_VENDOR);
220 MODULE_INIT(ModuleOverride)