-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2018 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Oliver Lupton <om@inspircd.org>
+ * Copyright (C) 2005-2006, 2008-2010 Craig Edwards <brain@inspircd.org>
*
- * ---------------------------------------------------
+ * 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/>.
*/
-using namespace std;
-#include <stdio.h>
-#include <string>
-#include <vector>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
+#include "inspircd.h"
+#include "listmode.h"
+#include "modules/exemption.h"
-/* $ModDesc: Provides channel-specific censor lists (like mode +G but varies from channel to channel) */
-
-typedef std::vector<irc::string> SpamList;
+enum
+{
+ // InspIRCd-specific.
+ RPL_ENDOFSPAMFILTER = 940,
+ RPL_SPAMFILTER = 941
+};
-class ModuleChanFilter : public Module
+class ChanFilter : public ListModeBase
{
- Server *Srv;
- ConfigReader *Conf;
- long MaxEntries;
-
public:
-
- ModuleChanFilter(Server* Me)
- : Module::Module(Me)
- {
- Srv = Me;
- Conf = new ConfigReader;
- Srv->AddExtendedListMode('g');
- MaxEntries = Conf->ReadInteger("chanfilter","maxsize",0,true);
- if (MaxEntries == 0)
- MaxEntries = 32;
- }
+ unsigned long maxlen;
- void Implements(char* List)
- {
- List[I_On005Numeric] = List[I_OnUserPart] = List[I_OnRehash] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnExtendedMode] = List[I_OnSendList] = List[I_OnSyncChannel] = 1;
- }
-
- virtual void On005Numeric(std::string &output)
+ ChanFilter(Module* Creator)
+ : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", RPL_SPAMFILTER, RPL_ENDOFSPAMFILTER, false)
{
- InsertMode(output,"g",1);
+ syntax = "<pattern>";
}
- virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partreason)
+ bool ValidateParam(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
{
- // when the last user parts, delete the list
- if (Srv->CountUsers(channel) == 1)
+ if (word.length() > maxlen)
{
- SpamList* spamlist = (SpamList*)channel->GetExt("spam_list");
- if (spamlist)
- {
- channel->Shrink("spam_list");
- delete spamlist;
- }
+ user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list."));
+ return false;
}
- }
- virtual void OnRehash(const std::string ¶meter)
- {
- delete Conf;
- Conf = new ConfigReader;
- // re-read our config options on a rehash
- MaxEntries = Conf->ReadInteger("chanfilter","maxsize",0,true);
+ return true;
}
+};
+
+class ModuleChanFilter : public Module
+{
+ CheckExemption::EventProvider exemptionprov;
+ ChanFilter cf;
+ bool hidemask;
+ bool notifyuser;
- virtual int ProcessMessages(userrec* user,chanrec* chan,std::string &text)
+ ChanFilter::ListItem* Match(User* user, Channel* chan, const std::string& text)
{
+ ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter");
+ if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
+ return NULL;
- // Create a copy of the string in irc::string
- irc::string line = text.c_str();
+ ListModeBase::ModeList* list = cf.GetList(chan);
+ if (!list)
+ return NULL;
- SpamList* spamlist = (SpamList*)chan->GetExt("spam_list");
- if (spamlist)
+ for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++)
{
- for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++)
- {
- if (line.find(*i) != std::string::npos)
- {
- WriteServ(user->fd,"936 %s %s %s :Your message contained a censored word, and was blocked",user->nick, chan->name, i->c_str());
- return 1;
- }
- }
+ if (InspIRCd::Match(text, i->mask))
+ return &*i;
}
- return 0;
+
+ return NULL;
}
- virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
+ public:
+
+ ModuleChanFilter()
+ : exemptionprov(this)
+ , cf(this)
{
- if (target_type == TYPE_CHANNEL)
- {
- return ProcessMessages(user,(chanrec*)dest,text);
- }
- else return 0;
}
- virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- return OnUserPreMessage(user,dest,target_type,text,status);
+ ConfigTag* tag = ServerInstance->Config->ConfValue("chanfilter");
+ hidemask = tag->getBool("hidemask");
+ cf.maxlen = tag->getUInt("maxlen", 35, 10, ModeParser::MODE_PARAM_MAX);
+ notifyuser = tag->getBool("notifyuser", true);
+ cf.DoRehash();
}
-
- virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms)
+
+ void OnUserPart(Membership* memb, std::string& partmessage, CUList& except_list) CXX11_OVERRIDE
{
- if ((modechar == 'g') && (type == MT_CHANNEL))
- {
- chanrec* chan = (chanrec*)target;
+ if (!memb)
+ return;
- irc::string word = params[0].c_str();
+ User* user = memb->user;
+ Channel* chan = memb->chan;
+ ChanFilter::ListItem* match = Match(user, chan, partmessage);
+ if (!match)
+ return;
- if (word == "")
- return -1;
+ // Match() checks the user is local, we can assume from here
+ LocalUser* luser = IS_LOCAL(user);
- if (mode_on)
- {
- SpamList* spamlist = (SpamList*)chan->GetExt("spam_list");
- if (!spamlist)
- {
- spamlist = new SpamList;
- chan->Extend("spam_list",(char*)spamlist);
- }
- if (spamlist->size() < (unsigned)MaxEntries)
- {
- if (word.length() > 35)
- {
- WriteServ(user->fd,"935 %s %s %s :word is too long for censor list",user->nick, chan->name,word.c_str());
- return -1;
- }
- for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++)
- {
- if (*i == word)
- {
- WriteServ(user->fd,"937 %s %s :The word %s is already on the spamfilter list",user->nick, chan->name,word.c_str());
- return -1;
- }
- }
- spamlist->push_back(word);
- return 1;
- }
- WriteServ(user->fd,"939 %s %s :Channel spamfilter list is full",user->nick, chan->name);
- return -1;
- }
- else
- {
- SpamList* spamlist = (SpamList*)chan->GetExt("spam_list");
- if (spamlist)
- {
- for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++)
- {
- if (*i == word)
- {
- spamlist->erase(i);
- return 1;
- }
- }
- }
- WriteServ(user->fd,"938 %s %s :No such spamfilter word is set",user->nick, chan->name);
- return -1;
- }
- return -1;
- }
- return 0;
- }
-
- virtual void OnSendList(userrec* user, chanrec* channel, char mode)
- {
- if (mode == 'g')
+ std::string oldreason(partmessage);
+ partmessage = "Reason filtered";
+ if (!notifyuser)
{
- SpamList* spamlist = (SpamList*)channel->GetExt("spam_list");
- if (spamlist)
- {
- for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++)
- {
- WriteServ(user->fd,"941 %s %s %s",user->nick, channel->name,i->c_str());
- }
- }
- WriteServ(user->fd,"940 %s %s :End of channel spamfilter list",user->nick, channel->name);
+ // Send fake part
+ ClientProtocol::Messages::Part partmsg(memb, oldreason);
+ ClientProtocol::Event ev(ServerInstance->GetRFCEvents().part, partmsg);
+ luser->Send(ev);
+
+ // Don't send the user the changed message
+ except_list.insert(user);
+ return;
}
+
+ if (hidemask)
+ user->WriteNumeric(Numerics::CannotSendTo(chan, "Your part message contained a banned phrase and was blocked."));
+ else
+ user->WriteNumeric(Numerics::CannotSendTo(chan, InspIRCd::Format("Your part message contained a banned phrase (%s) and was blocked.",
+ match->mask.c_str())));
}
-
- virtual ~ModuleChanFilter()
- {
- delete Conf;
- }
-
- virtual Version GetVersion()
- {
- return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
- }
-
- virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)
+
+ ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
{
- SpamList* spamlist = (SpamList*)chan->GetExt("spam_list");
- string_list commands;
- if (spamlist)
+ if (target.type != MessageTarget::TYPE_CHANNEL)
+ return MOD_RES_PASSTHRU;
+
+ Channel* chan = target.Get<Channel>();
+ ChanFilter::ListItem* match = Match(user, chan, details.text);
+ if (match)
{
- for (SpamList::iterator i = spamlist->begin(); i != spamlist->end(); i++)
+ if (!notifyuser)
{
- proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan,"+g "+std::string(i->c_str()));
+ details.echo_original = true;
+ return MOD_RES_DENY;
}
- }
- }
-
-};
+ if (hidemask)
+ user->WriteNumeric(Numerics::CannotSendTo(chan, "Your message to this channel contained a banned phrase and was blocked."));
+ else
+ user->WriteNumeric(Numerics::CannotSendTo(chan, InspIRCd::Format("Your message to this channel contained a banned phrase (%s) and was blocked.",
+ match->mask.c_str())));
-class ModuleChanFilterFactory : public ModuleFactory
-{
- public:
- ModuleChanFilterFactory()
- {
- }
-
- ~ModuleChanFilterFactory()
- {
+ return MOD_RES_DENY;
+ }
+ return MOD_RES_PASSTHRU;
}
-
- virtual Module * CreateModule(Server* Me)
+
+ Version GetVersion() CXX11_OVERRIDE
{
- return new ModuleChanFilter(Me);
+ // We don't send any link data if the length is 35 for compatibility with the 2.0 branch.
+ std::string maxfilterlen;
+ if (cf.maxlen != 35)
+ maxfilterlen.assign(ConvToStr(cf.maxlen));
+
+ return Version("Adds channel mode g (filter) which allows channel operators to define glob patterns for inappropriate phrases that are not allowed to be used in the channel.", VF_VENDOR, maxfilterlen);
}
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleChanFilterFactory;
-}
-
+MODULE_INIT(ModuleChanFilter)
projects / user / henk / code / inspircd.git / blobdiff