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/>.
28 #include "modules/invite.h"
30 class ModuleOverride : public Module
34 ChanModeReference topiclock;
35 ChanModeReference inviteonly;
36 ChanModeReference key;
37 ChanModeReference limit;
40 static bool IsOverride(unsigned int userlevel, const Modes::ChangeList::List& list)
42 for (Modes::ChangeList::List::const_iterator i = list.begin(); i != list.end(); ++i)
44 ModeHandler* mh = i->mh;
45 if (mh->GetLevelRequired() > userlevel)
51 ModResult HandleJoinOverride(LocalUser* user, Channel* chan, const std::string& keygiven, const char* bypasswhat, const char* mode)
53 if (RequireKey && keygiven != "override")
55 // Can't join normally -- must use a special key to bypass restrictions
56 user->WriteNotice("*** You may not join normally. You must join with a key of 'override' to oper override.");
57 return MOD_RES_PASSTHRU;
61 chan->WriteNotice(InspIRCd::Format("%s used oper override to bypass %s", user->nick.c_str(), bypasswhat));
62 ServerInstance->SNO->WriteGlobalSno('v', user->nick+" used oper override to bypass " + mode + " on " + chan->name);
68 : topiclock(this, "topiclock")
69 , inviteonly(this, "inviteonly")
71 , limit(this, "limit")
76 void init() CXX11_OVERRIDE
78 ServerInstance->SNO->EnableSnomask('v', "OVERRIDE");
81 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
83 // re-read our config options
84 ConfigTag* tag = ServerInstance->Config->ConfValue("override");
85 NoisyOverride = tag->getBool("noisy");
86 RequireKey = tag->getBool("requirekey");
89 void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
94 bool CanOverride(User* source, const char* token)
96 std::string tokenlist = source->oper->getConfig("override");
98 // its defined or * is set, return its value as a boolean for if the token is set
99 return ((tokenlist.find(token, 0) != std::string::npos) || (tokenlist.find("*", 0) != std::string::npos));
103 ModResult OnPreTopicChange(User *source, Channel *channel, const std::string &topic) CXX11_OVERRIDE
105 if (IS_LOCAL(source) && source->IsOper() && CanOverride(source, "TOPIC"))
107 if (!channel->HasUser(source) || (channel->IsModeSet(topiclock) && channel->GetPrefixValue(source) < HALFOP_VALUE))
109 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to change a topic on "+channel->name);
113 return MOD_RES_ALLOW;
116 return MOD_RES_PASSTHRU;
119 ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE
121 if (source->IsOper() && CanOverride(source,"KICK"))
123 // If the kicker's status is less than the target's, or the kicker's status is less than or equal to voice
124 if ((memb->chan->GetPrefixValue(source) < memb->getRank()) || (memb->chan->GetPrefixValue(source) <= VOICE_VALUE) ||
125 (memb->chan->GetPrefixValue(source) == HALFOP_VALUE && memb->getRank() == HALFOP_VALUE))
127 ServerInstance->SNO->WriteGlobalSno('v',source->nick+" used oper override to kick "+memb->user->nick+" on "+memb->chan->name+" ("+reason+")");
128 return MOD_RES_ALLOW;
131 return MOD_RES_PASSTHRU;
134 ModResult OnPreMode(User* source, User* dest, Channel* channel, Modes::ChangeList& modes) CXX11_OVERRIDE
137 return MOD_RES_PASSTHRU;
138 if (!source->IsOper() || !IS_LOCAL(source))
139 return MOD_RES_PASSTHRU;
141 const Modes::ChangeList::List& list = modes.getlist();
142 unsigned int mode = channel->GetPrefixValue(source);
144 if (!IsOverride(mode, list))
145 return MOD_RES_PASSTHRU;
147 if (CanOverride(source, "MODE"))
149 std::string msg = source->nick + " overriding modes: ";
151 // Construct a MODE string in the old format for sending it as a snotice
154 for (Modes::ChangeList::List::const_iterator i = list.begin(); i != list.end(); ++i)
156 const Modes::Change& item = *i;
157 if (!item.param.empty())
158 params.append(1, ' ').append(item.param);
160 char wanted_pm = (item.adding ? '+' : '-');
167 msg += item.mh->GetModeChar();
170 ServerInstance->SNO->WriteGlobalSno('v',msg);
171 return MOD_RES_ALLOW;
173 return MOD_RES_PASSTHRU;
176 ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
182 if (chan->IsModeSet(inviteonly) && (CanOverride(user,"INVITE")))
184 if (!invapi->IsInvited(user, chan))
185 return HandleJoinOverride(user, chan, keygiven, "invite-only", "+i");
186 return MOD_RES_ALLOW;
189 if (chan->IsModeSet(key) && (CanOverride(user,"KEY")) && keygiven != chan->GetModeParameter(key))
190 return HandleJoinOverride(user, chan, keygiven, "the channel key", "+k");
192 if (chan->IsModeSet(limit) && (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter(limit))) && (CanOverride(user,"LIMIT")))
193 return HandleJoinOverride(user, chan, keygiven, "the channel limit", "+l");
195 if (chan->IsBanned(user) && CanOverride(user,"BANWALK"))
196 return HandleJoinOverride(user, chan, keygiven, "channel ban", "channel ban");
199 return MOD_RES_PASSTHRU;
202 Version GetVersion() CXX11_OVERRIDE
204 return Version("Provides support for allowing opers to override certain things",VF_VENDOR);
208 MODULE_INIT(ModuleOverride)