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-rw-r--r--src/modules/m_silence.cpp386
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diff --git a/src/modules/m_silence.cpp b/src/modules/m_silence.cpp
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-/*
- * InspIRCd -- Internet Relay Chat Daemon
- *
- * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
- * Copyright (C) 2005-2007 Craig Edwards <craigedwards@brainbox.cc>
- * Copyright (C) 2006 John Brooks <john.brooks@dereferenced.net>
- *
- * This file is part of InspIRCd. InspIRCd is free software: you can
- * redistribute it and/or modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include "inspircd.h"
-
-/* Improved drop-in replacement for the /SILENCE command
- * syntax: /SILENCE [(+|-)<mask> [p|c|i|n|t|a|x]] as in [privatemessages|channelmessages|invites|privatenotices|channelnotices|all|exclude]
- *
- * example that blocks all except private messages
- * /SILENCE +*!*@* a
- * /SILENCE +*!*@* px
- *
- * example that blocks all invites except from channel services
- * /SILENCE +*!*@* i
- * /SILENCE +chanserv!services@chatters.net ix
- *
- * example that blocks some bad dude from private, notice and inviting you
- * /SILENCE +*!kiddie@lamerz.net pin
- *
- * TODO: possibly have add and remove check for existing host and only modify flags according to
- * what's been changed instead of having to remove first, then add if you want to change
- * an entry.
- */
-
-// pair of hostmask and flags
-typedef std::pair<std::string, int> silenceset;
-
-// list of pairs
-typedef std::vector<silenceset> silencelist;
-
-// intmasks for flags
-static int SILENCE_PRIVATE = 0x0001; /* p private messages */
-static int SILENCE_CHANNEL = 0x0002; /* c channel messages */
-static int SILENCE_INVITE = 0x0004; /* i invites */
-static int SILENCE_NOTICE = 0x0008; /* n notices */
-static int SILENCE_CNOTICE = 0x0010; /* t channel notices */
-static int SILENCE_ALL = 0x0020; /* a all, (pcint) */
-static int SILENCE_EXCLUDE = 0x0040; /* x exclude this pattern */
-
-enum
-{
- // From ircu?
- RPL_SILELIST = 271,
- RPL_ENDOFSILELIST = 272,
-
- // InspIRCd-specific.
- RPL_UNSILENCED = 950,
- RPL_SILENCED = 951,
- ERR_NOTSILENCED = 952
-};
-
-class CommandSVSSilence : public Command
-{
- public:
- CommandSVSSilence(Module* Creator) : Command(Creator,"SVSSILENCE", 2)
- {
- syntax = "<target> (+|-)<mask> [p|c|i|n|t|a|x]";
- TRANSLATE3(TR_NICK, TR_TEXT, TR_TEXT);
- }
-
- CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
- {
- /*
- * XXX: thought occurs to me
- * We may want to change the syntax of this command to
- * SVSSILENCE <flagsora+> +<nick> -<nick> +<nick>
- * style command so services can modify lots of entries at once.
- * leaving it backwards compatible for now as it's late. -- w
- */
- if (!user->server->IsULine())
- return CMD_FAILURE;
-
- User *u = ServerInstance->FindNick(parameters[0]);
- if (!u)
- return CMD_FAILURE;
-
- if (IS_LOCAL(u))
- {
- CommandBase::Params params(parameters.begin() + 1, parameters.end());
- ServerInstance->Parser.CallHandler("SILENCE", params, u);
- }
-
- return CMD_SUCCESS;
- }
-
- RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
- {
- return ROUTE_OPT_UCAST(parameters[0]);
- }
-};
-
-class CommandSilence : public Command
-{
- unsigned int& maxsilence;
- public:
- SimpleExtItem<silencelist> ext;
- CommandSilence(Module* Creator, unsigned int &max) : Command(Creator, "SILENCE", 0),
- maxsilence(max)
- , ext("silence_list", ExtensionItem::EXT_USER, Creator)
- {
- allow_empty_last_param = false;
- syntax = "[(+|-)<mask> [p|c|i|n|t|a|x]]";
- }
-
- CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
- {
- if (parameters.empty())
- {
- // no parameters, show the current silence list.
- silencelist* sl = ext.get(user);
- // if the user has a silence list associated with their user record, show it
- if (sl)
- {
- for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
- {
- std::string decomppattern = DecompPattern(c->second);
- user->WriteNumeric(RPL_SILELIST, user->nick, c->first, decomppattern);
- }
- }
- user->WriteNumeric(RPL_ENDOFSILELIST, "End of Silence List");
-
- return CMD_SUCCESS;
- }
- else
- {
- // one or more parameters, add or delete entry from the list (only the first parameter is used)
- std::string mask(parameters[0], 1);
- char action = parameters[0][0];
- // Default is private and notice so clients do not break
- int pattern = CompilePattern("pn");
-
- // if pattern supplied, use it
- if (parameters.size() > 1) {
- pattern = CompilePattern(parameters[1].c_str());
- }
-
- if (pattern == 0)
- {
- user->WriteNotice("Bad SILENCE pattern");
- return CMD_INVALID;
- }
-
- if (!mask.length())
- {
- // 'SILENCE +' or 'SILENCE -', assume *!*@*
- mask = "*!*@*";
- }
-
- ModeParser::CleanMask(mask);
-
- if (action == '-')
- {
- std::string decomppattern = DecompPattern(pattern);
- // fetch their silence list
- silencelist* sl = ext.get(user);
- // does it contain any entries and does it exist?
- if (sl)
- {
- for (silencelist::iterator i = sl->begin(); i != sl->end(); i++)
- {
- // search through for the item
- const std::string& listitem = i->first;
- if ((irc::equals(listitem, mask)) && (i->second == pattern))
- {
- sl->erase(i);
- user->WriteNumeric(RPL_UNSILENCED, user->nick, InspIRCd::Format("Removed %s %s from silence list", mask.c_str(), decomppattern.c_str()));
- if (!sl->size())
- {
- ext.unset(user);
- }
- return CMD_SUCCESS;
- }
- }
- }
- user->WriteNumeric(ERR_NOTSILENCED, user->nick, InspIRCd::Format("%s %s does not exist on your silence list", mask.c_str(), decomppattern.c_str()));
- }
- else if (action == '+')
- {
- // fetch the user's current silence list
- silencelist* sl = ext.get(user);
- if (!sl)
- {
- sl = new silencelist;
- ext.set(user, sl);
- }
- if (sl->size() > maxsilence)
- {
- user->WriteNumeric(ERR_NOTSILENCED, user->nick, "Your silence list is full");
- return CMD_FAILURE;
- }
-
- std::string decomppattern = DecompPattern(pattern);
- for (silencelist::iterator n = sl->begin(); n != sl->end(); n++)
- {
- const std::string& listitem = n->first;
- if ((irc::equals(listitem, mask)) && (n->second == pattern))
- {
- user->WriteNumeric(ERR_NOTSILENCED, user->nick, InspIRCd::Format("%s %s is already on your silence list", mask.c_str(), decomppattern.c_str()));
- return CMD_FAILURE;
- }
- }
- if (((pattern & SILENCE_EXCLUDE) > 0))
- {
- sl->insert(sl->begin(), silenceset(mask, pattern));
- }
- else
- {
- sl->push_back(silenceset(mask,pattern));
- }
- user->WriteNumeric(RPL_SILENCED, user->nick, InspIRCd::Format("Added %s %s to silence list", mask.c_str(), decomppattern.c_str()));
- return CMD_SUCCESS;
- }
- }
- return CMD_SUCCESS;
- }
-
- /* turn the nice human readable pattern into a mask */
- int CompilePattern(const char* pattern)
- {
- int p = 0;
- for (const char* n = pattern; *n; n++)
- {
- switch (*n)
- {
- case 'p':
- p |= SILENCE_PRIVATE;
- break;
- case 'c':
- p |= SILENCE_CHANNEL;
- break;
- case 'i':
- p |= SILENCE_INVITE;
- break;
- case 'n':
- p |= SILENCE_NOTICE;
- break;
- case 't':
- p |= SILENCE_CNOTICE;
- break;
- case 'a':
- case '*':
- p |= SILENCE_ALL;
- break;
- case 'x':
- p |= SILENCE_EXCLUDE;
- break;
- default:
- break;
- }
- }
- return p;
- }
-
- /* turn the mask into a nice human readable format */
- std::string DecompPattern (const int pattern)
- {
- std::string out;
- if (pattern & SILENCE_PRIVATE)
- out += ",privatemessages";
- if (pattern & SILENCE_CHANNEL)
- out += ",channelmessages";
- if (pattern & SILENCE_INVITE)
- out += ",invites";
- if (pattern & SILENCE_NOTICE)
- out += ",privatenotices";
- if (pattern & SILENCE_CNOTICE)
- out += ",channelnotices";
- if (pattern & SILENCE_ALL)
- out = ",all";
- if (pattern & SILENCE_EXCLUDE)
- out += ",exclude";
- if (out.length())
- return "<" + out.substr(1) + ">";
- else
- return "<none>";
- }
-
-};
-
-class ModuleSilence : public Module
-{
- unsigned int maxsilence;
- bool ExemptULine;
- CommandSilence cmdsilence;
- CommandSVSSilence cmdsvssilence;
- public:
-
- ModuleSilence()
- : maxsilence(32), cmdsilence(this, maxsilence), cmdsvssilence(this)
- {
- }
-
- void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
- {
- ConfigTag* tag = ServerInstance->Config->ConfValue("silence");
-
- maxsilence = tag->getUInt("maxentries", 32, 1);
- ExemptULine = tag->getBool("exemptuline", true);
- }
-
- void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
- {
- tokens["ESILENCE"];
- tokens["SILENCE"] = ConvToStr(maxsilence);
- }
-
- void BuildExemptList(MessageType message_type, Channel* chan, User* sender, CUList& exempt_list)
- {
- int public_silence = (message_type == MSG_PRIVMSG ? SILENCE_CHANNEL : SILENCE_CNOTICE);
-
- const Channel::MemberMap& ulist = chan->GetUsers();
- for (Channel::MemberMap::const_iterator i = ulist.begin(); i != ulist.end(); ++i)
- {
- if (IS_LOCAL(i->first))
- {
- if (MatchPattern(i->first, sender, public_silence) == MOD_RES_DENY)
- {
- exempt_list.insert(i->first);
- }
- }
- }
- }
-
- ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
- {
- if (target.type == MessageTarget::TYPE_USER && IS_LOCAL(target.Get<User>()))
- {
- return MatchPattern(target.Get<User>(), user, ((details.type == MSG_PRIVMSG) ? SILENCE_PRIVATE : SILENCE_NOTICE));
- }
- else if (target.type == MessageTarget::TYPE_CHANNEL)
- {
- Channel* chan = target.Get<Channel>();
- BuildExemptList(details.type, chan, user, details.exemptions);
- }
- return MOD_RES_PASSTHRU;
- }
-
- ModResult OnUserPreInvite(User* source,User* dest,Channel* channel, time_t timeout) CXX11_OVERRIDE
- {
- return MatchPattern(dest, source, SILENCE_INVITE);
- }
-
- ModResult MatchPattern(User* dest, User* source, int pattern)
- {
- if (ExemptULine && source->server->IsULine())
- return MOD_RES_PASSTHRU;
-
- silencelist* sl = cmdsilence.ext.get(dest);
- if (sl)
- {
- for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
- {
- if (((((c->second & pattern) > 0)) || ((c->second & SILENCE_ALL) > 0)) && (InspIRCd::Match(source->GetFullHost(), c->first)))
- return (c->second & SILENCE_EXCLUDE) ? MOD_RES_PASSTHRU : MOD_RES_DENY;
- }
- }
- return MOD_RES_PASSTHRU;
- }
-
- Version GetVersion() CXX11_OVERRIDE
- {
- return Version("Provides support for the /SILENCE command", VF_OPTCOMMON | VF_VENDOR);
- }
-};
-
-MODULE_INIT(ModuleSilence)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 08:04:11 +0000