2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
5 * Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
6 * Copyright (C) 2017-2018 B00mX0r <b00mx0r@aureus.pw>
7 * Copyright (C) 2013, 2017-2018, 2020-2021 Sadie Powell <sadie@witchery.services>
8 * Copyright (C) 2012-2013, 2015-2016 Attila Molnar <attilamolnar@hush.com>
9 * Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
10 * Copyright (C) 2012 Jens Voss <DukePyrolator@anope.org>
11 * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
12 * Copyright (C) 2009 Dennis Friis <peavey@inspircd.org>
13 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
14 * Copyright (C) 2008-2010 Craig Edwards <brain@inspircd.org>
15 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
16 * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
18 * This file is part of InspIRCd. InspIRCd is free software: you can
19 * redistribute it and/or modify it under the terms of the GNU General Public
20 * License as published by the Free Software Foundation, version 2.
22 * This program is distributed in the hope that it will be useful, but WITHOUT
23 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
24 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
27 * You should have received a copy of the GNU General Public License
28 * along with this program. If not, see <http://www.gnu.org/licenses/>.
34 #include "modules/shun.h"
35 #include "modules/stats.h"
38 /** An XLineFactory specialized to generate shun pointers
40 class ShunFactory : public XLineFactory
43 ShunFactory() : XLineFactory("SHUN") { }
47 XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE
49 return new Shun(set_time, duration, source, reason, xline_specific_mask);
52 bool AutoApplyToUserList(XLine* x) CXX11_OVERRIDE
58 class CommandShun : public Command
61 CommandShun(Module* Creator) : Command(Creator, "SHUN", 1, 3)
64 syntax = "<nick!user@host> [<duration> :<reason>]";
67 CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
69 /* syntax: SHUN nick!user@host time :reason goes here */
70 /* 'time' is a human-readable timestring, like 2d3h2s. */
72 std::string target = parameters[0];
74 User *find = ServerInstance->FindNick(target);
75 if ((find) && (find->registered == REG_ALL))
76 target = std::string("*!*@") + find->GetIPString();
78 if (parameters.size() == 1)
82 if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SHUN", reason, user))
84 ServerInstance->SNO->WriteToSnoMask('x', "%s removed SHUN on %s: %s", user->nick.c_str(), parameters[0].c_str(), reason.c_str());
86 else if (ServerInstance->XLines->DelLine(target.c_str(), "SHUN", reason, user))
88 ServerInstance->SNO->WriteToSnoMask('x', "%s removed SHUN on %s: %s", user->nick.c_str(), target.c_str(), reason.c_str());
92 user->WriteNotice("*** Shun " + parameters[0] + " not found on the list.");
98 // Adding - XXX todo make this respect <insane> tag perhaps..
99 unsigned long duration;
101 if (parameters.size() > 2)
103 if (!InspIRCd::Duration(parameters[1], duration))
105 user->WriteNotice("*** Invalid duration for SHUN.");
108 expr = parameters[2];
113 expr = parameters[1];
116 Shun* r = new Shun(ServerInstance->Time(), duration, user->nick.c_str(), expr.c_str(), target.c_str());
117 if (ServerInstance->XLines->AddLine(r, user))
121 ServerInstance->SNO->WriteToSnoMask('x', "%s added permanent SHUN for %s: %s",
122 user->nick.c_str(), target.c_str(), expr.c_str());
126 ServerInstance->SNO->WriteToSnoMask('x', "%s added timed SHUN for %s, expires in %s (on %s): %s",
127 user->nick.c_str(), target.c_str(), InspIRCd::DurationString(duration).c_str(),
128 InspIRCd::TimeString(ServerInstance->Time() + duration).c_str(), expr.c_str());
134 user->WriteNotice("*** Shun for " + target + " already exists.");
141 RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
144 return ROUTE_LOCALONLY; // spanningtree will send ADDLINE
146 return ROUTE_BROADCAST;
150 class ModuleShun : public Module, public Stats::EventListener
155 insp::flat_set<std::string, irc::insensitive_swo> cleanedcommands;
156 insp::flat_set<std::string, irc::insensitive_swo> enabledcommands;
162 bool IsShunned(LocalUser* user)
164 // Exempt the user if they are not fully connected and allowconnect is enabled.
165 if (allowconnect && user->registered != REG_ALL)
168 // Exempt the user from shuns if they are an oper and affectopers is disabled.
169 if (!affectopers && user->IsOper())
172 // Exempt the user from shuns if they are an oper with the servers/ignore-shun privilege.
173 if (user->HasPrivPermission("servers/ignore-shun"))
176 // Check whether the user is actually shunned.
177 return ServerInstance->XLines->MatchesLine("SHUN", user);
182 : Stats::EventListener(this)
187 void init() CXX11_OVERRIDE
189 ServerInstance->XLines->RegisterFactory(&shun);
194 ServerInstance->XLines->DelAll("SHUN");
195 ServerInstance->XLines->UnregisterFactory(&shun);
198 void Prioritize() CXX11_OVERRIDE
200 Module* alias = ServerInstance->Modules->Find("m_alias.so");
201 ServerInstance->Modules->SetPriority(this, I_OnPreCommand, PRIORITY_BEFORE, alias);
204 ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
206 if (stats.GetSymbol() != 'H')
207 return MOD_RES_PASSTHRU;
209 ServerInstance->XLines->InvokeStats("SHUN", stats);
213 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
215 ConfigTag* tag = ServerInstance->Config->ConfValue("shun");
217 cleanedcommands.clear();
218 irc::spacesepstream cleanedcmds(tag->getString("cleanedcommands", "AWAY PART QUIT"));
219 for (std::string cleanedcmd; cleanedcmds.GetToken(cleanedcmd); )
220 cleanedcommands.insert(cleanedcmd);
222 enabledcommands.clear();
223 irc::spacesepstream enabledcmds(tag->getString("enabledcommands", "ADMIN OPER PING PONG QUIT", 1));
224 for (std::string enabledcmd; enabledcmds.GetToken(enabledcmd); )
225 enabledcommands.insert(enabledcmd);
227 affectopers = tag->getBool("affectopers", false);
228 allowtags = tag->getBool("allowtags");
229 allowconnect = tag->getBool("allowconnect");
230 notifyuser = tag->getBool("notifyuser", true);
233 ModResult OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated) CXX11_OVERRIDE
235 if (validated || !IsShunned(user))
236 return MOD_RES_PASSTHRU;
238 if (!enabledcommands.count(command))
241 user->WriteNotice("*** " + command + " command not processed as you have been blocked from issuing commands.");
247 // Remove all client tags.
248 ClientProtocol::TagMap& tags = parameters.GetTags();
249 for (ClientProtocol::TagMap::iterator tag = tags.begin(); tag != tags.end(); )
251 if (tag->first[0] == '+')
252 tag = tags.erase(tag);
258 if (cleanedcommands.count(command))
260 if (command == "AWAY" && !parameters.empty())
262 // Allow away but only for unsetting.
265 else if (command == "PART" && parameters.size() > 1)
267 // Allow part but strip the message.
268 parameters.pop_back();
270 else if (command == "QUIT" && !parameters.empty())
272 // Allow quit but strip the message.
277 return MOD_RES_PASSTHRU;
280 Version GetVersion() CXX11_OVERRIDE
282 return Version("Adds the /SHUN command which allows server operators to prevent users from executing commands.", VF_VENDOR|VF_COMMON);
286 MODULE_INIT(ModuleShun)