-/* +------------------------------------+
- * | 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) 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/>.
*/
-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"
/* $ModDesc: Provides support for the /SILENCE command */
+/* Improved drop-in replacement for the /SILENCE command
+ * syntax: /SILENCE [+|-]<mask> <p|c|i|n|t|a|x> as in <privatemessage|channelmessage|invites|privatenotice|channelnotice|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;
+
+// deque list of pairs
+typedef std::deque<silenceset> silencelist;
-// This typedef holds a silence list. Each user may or may not have a
-// silencelist, if a silence list is empty for a user, he/she does not
-// have one of these structures associated with their user record.
-typedef std::vector<std::string> 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 */
-class cmd_silence : public command_t
+
+class CommandSVSSilence : public Command
{
public:
- cmd_silence() : command_t("SILENCE", 0, 0)
+ CommandSVSSilence(Module* Creator) : Command(Creator,"SVSSILENCE", 2)
{
- this->source = "m_silence.so";
+ syntax = "<target> {[+|-]<mask> <p|c|i|n|t|a|x>}";
+ TRANSLATE4(TR_NICK, TR_TEXT, TR_TEXT, TR_END); /* we watch for a nick. not a UID. */
}
- void Handle (char **parameters, int pcnt, userrec *user)
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
{
- if (!pcnt)
+ /*
+ * 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 (!ServerInstance->ULine(user->server))
+ return CMD_FAILURE;
+
+ User *u = ServerInstance->FindNick(parameters[0]);
+ if (!u)
+ return CMD_FAILURE;
+
+ if (IS_LOCAL(u))
+ {
+ ServerInstance->Parser->CallHandler("SILENCE", std::vector<std::string>(++parameters.begin(), parameters.end()), u);
+ }
+
+ return CMD_SUCCESS;
+ }
+
+ RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ {
+ User* target = ServerInstance->FindNick(parameters[0]);
+ if (target)
+ return ROUTE_OPT_UCAST(target->server);
+ return ROUTE_LOCALONLY;
+ }
+};
+
+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", Creator)
+ {
+ syntax = "{[+|-]<mask> <p|c|i|n|t|a|x>}";
+ TRANSLATE3(TR_TEXT, TR_TEXT, TR_END);
+ }
+
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
+ if (!parameters.size())
{
// no parameters, show the current silence list.
- // Use Extensible::GetExt to fetch the silence list
- silencelist* sl;
- user->GetExt("silence_list", sl);
+ 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++)
+ for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
{
- WriteServ(user->fd,"271 %s %s %s!*@*",user->nick, user->nick,c->c_str());
+ std::string decomppattern = DecompPattern(c->second);
+ user->WriteNumeric(271, "%s %s %s %s",user->nick.c_str(), user->nick.c_str(),c->first.c_str(), decomppattern.c_str());
}
}
- WriteServ(user->fd,"272 %s :End of Silence List",user->nick);
+ user->WriteNumeric(272, "%s :End of Silence List",user->nick.c_str());
+
+ return CMD_SUCCESS;
}
- else if (pcnt > 0)
+ else if (parameters.size() > 0)
{
// one or more parameters, add or delete entry from the list (only the first parameter is used)
- char *nick = parameters[0];
- if (nick[0] == '-')
+ std::string mask = parameters[0].substr(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->WriteServ("NOTICE %s :Bad SILENCE pattern",user->nick.c_str());
+ return CMD_INVALID;
+ }
+
+ if (!mask.length())
{
- // removing an item from the list
- nick++;
+ // 'SILENCE +' or 'SILENCE -', assume *!*@*
+ mask = "*!*@*";
+ }
+
+ ModeParser::CleanMask(mask);
+
+ if (action == '-')
+ {
+ std::string decomppattern = DecompPattern(pattern);
// fetch their silence list
- silencelist* sl;
- user->GetExt("silence_list", sl);
+ silencelist* sl = ext.get(user);
// does it contain any entries and does it exist?
if (sl)
{
- if (sl->size())
+ for (silencelist::iterator i = sl->begin(); i != sl->end(); i++)
{
- for (silencelist::iterator i = sl->begin(); i != sl->end(); i++)
- {
- // search through for the item
- irc::string listitem = i->c_str();
- irc::string target = nick;
- if (listitem == target)
- {
- sl->erase(i);
- WriteServ(user->fd,"950 %s %s :Removed %s!*@* from silence list",user->nick, user->nick,nick);
- // we have modified the vector from within a loop, we must now bail out
- return;
- }
- }
- }
- if (!sl->size())
- {
- // tidy up -- if a user's list is empty, theres no use having it
- // hanging around in the user record.
- DELETE(sl);
- user->Shrink("silence_list");
+ // search through for the item
+ irc::string listitem = i->first.c_str();
+ if (listitem == mask && i->second == pattern)
+ {
+ sl->erase(i);
+ user->WriteNumeric(950, "%s %s :Removed %s %s from silence list",user->nick.c_str(), user->nick.c_str(), mask.c_str(), decomppattern.c_str());
+ if (!sl->size())
+ {
+ ext.unset(user);
+ }
+ return CMD_SUCCESS;
+ }
}
}
+ user->WriteNumeric(952, "%s %s :%s %s does not exist on your silence list",user->nick.c_str(), user->nick.c_str(), mask.c_str(), decomppattern.c_str());
}
- else if (nick[0] == '+')
+ else if (action == '+')
{
- nick++;
// fetch the user's current silence list
- silencelist* sl;
- user->GetExt("silence_list", sl);
- // what, they dont have one??? WE'RE ALL GONNA DIE! ...no, we just create an empty one.
+ silencelist* sl = ext.get(user);
if (!sl)
{
sl = new silencelist;
- user->Extend(std::string("silence_list"), sl);
+ ext.set(user, sl);
}
- // add the nick to it -- silence only takes nicks for some reason even though its list shows masks
+ if (sl->size() > maxsilence)
+ {
+ user->WriteNumeric(952, "%s %s :Your silence list is full",user->nick.c_str(), user->nick.c_str());
+ return CMD_FAILURE;
+ }
+
+ std::string decomppattern = DecompPattern(pattern);
for (silencelist::iterator n = sl->begin(); n != sl->end(); n++)
{
- irc::string listitem = n->c_str();
- irc::string target = nick;
- if (listitem == target)
+ irc::string listitem = n->first.c_str();
+ if (listitem == mask && n->second == pattern)
{
- WriteServ(user->fd,"952 %s %s :%s is already on your silence list",user->nick, user->nick,nick);
- return;
+ user->WriteNumeric(952, "%s %s :%s %s is already on your silence list",user->nick.c_str(), user->nick.c_str(), mask.c_str(), decomppattern.c_str());
+ return CMD_FAILURE;
}
}
- sl->push_back(std::string(nick));
- WriteServ(user->fd,"951 %s %s :Added %s!*@* to silence list",user->nick, user->nick,nick);
- return;
+ if (((pattern & SILENCE_EXCLUDE) > 0))
+ {
+ sl->push_front(silenceset(mask,pattern));
+ }
+ else
+ {
+ sl->push_back(silenceset(mask,pattern));
+ }
+ user->WriteNumeric(951, "%s %s :Added %s %s to silence list",user->nick.c_str(), user->nick.c_str(), 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;
+ 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
{
- Server *Srv;
- cmd_silence* mycommand;
+ unsigned int maxsilence;
+ CommandSilence cmdsilence;
+ CommandSVSSilence cmdsvssilence;
public:
-
- ModuleSilence(Server* Me)
- : Module::Module(Me)
- {
- Srv = Me;
- mycommand = new cmd_silence();
- Srv->AddCommand(mycommand);
- }
- void Implements(char* List)
+ ModuleSilence()
+ : maxsilence(32), cmdsilence(this, maxsilence), cmdsvssilence(this)
{
- List[I_OnUserQuit] = List[I_On005Numeric] = List[I_OnUserPreNotice] = List[I_OnUserPreMessage] = 1;
+ OnRehash(NULL);
+ ServerInstance->AddCommand(&cmdsilence);
+ ServerInstance->AddCommand(&cmdsvssilence);
+ ServerInstance->Extensions.Register(&cmdsilence.ext);
+
+ Implementation eventlist[] = { I_OnRehash, I_On005Numeric, I_OnUserPreNotice, I_OnUserPreMessage, I_OnUserPreInvite };
+ ServerInstance->Modules->Attach(eventlist, this, 5);
}
- virtual void OnUserQuit(userrec* user, const std::string &reason)
+ void OnRehash(User* user)
{
- // when the user quits tidy up any silence list they might have just to keep things tidy
- // and to prevent a HONKING BIG MEMORY LEAK!
- silencelist* sl;
- user->GetExt("silence_list", sl);
- if (sl)
- {
- DELETE(sl);
- user->Shrink("silence_list");
- }
+ maxsilence = ServerInstance->Config->ConfValue("showwhois")->getInt("maxentries", 32);
+ if (!maxsilence)
+ maxsilence = 32;
}
- virtual void On005Numeric(std::string &output)
+ void On005Numeric(std::string &output)
{
// we don't really have a limit...
- output = output + " SILENCE=999";
+ output = output + " ESILENCE SILENCE=" + ConvToStr(maxsilence);
}
-
- virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
+
+ void OnBuildExemptList(MessageType message_type, Channel* chan, User* sender, char status, CUList &exempt_list, const std::string &text)
{
- // im not sure how unreal's silence operates but ours is sensible. It blocks notices and
- // privmsgs from people on the silence list, directed privately at the user.
- // channel messages are unaffected (ever tried to follow the flow of conversation in
- // a channel when you've set an ignore on the two most talkative people?)
- if (target_type == TYPE_USER)
+ int public_silence = (message_type == MSG_PRIVMSG ? SILENCE_CHANNEL : SILENCE_CNOTICE);
+ const UserMembList *ulist = chan->GetUsers();
+
+ for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
{
- userrec* u = (userrec*)dest;
- silencelist* sl;
- u->GetExt("silence_list", sl);
- if (sl)
+ if (IS_LOCAL(i->first))
{
- for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
+ if (MatchPattern(i->first, sender, public_silence) == MOD_RES_DENY)
{
- irc::string listitem = c->c_str();
- irc::string target = user->nick;
- if (listitem == target)
- {
- return 1;
- }
+ exempt_list.insert(i->first);
}
}
}
- return 0;
}
- virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
+ ModResult PreText(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list, int silence_type)
{
- return OnUserPreNotice(user,dest,target_type,text,status);
+ if (target_type == TYPE_USER && IS_LOCAL(((User*)dest)))
+ {
+ return MatchPattern((User*)dest, user, silence_type);
+ }
+ else if (target_type == TYPE_CHANNEL)
+ {
+ Channel* chan = (Channel*)dest;
+ if (chan)
+ {
+ this->OnBuildExemptList((silence_type == SILENCE_PRIVATE ? MSG_PRIVMSG : MSG_NOTICE), chan, user, status, exempt_list, "");
+ }
+ }
+ return MOD_RES_PASSTHRU;
}
- virtual ~ModuleSilence()
+ ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
+ return PreText(user, dest, target_type, text, status, exempt_list, SILENCE_PRIVATE);
}
-
- virtual Version GetVersion()
+
+ ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
- return Version(1,0,0,1,VF_VENDOR);
+ return PreText(user, dest, target_type, text, status, exempt_list, SILENCE_NOTICE);
}
-};
+ ModResult OnUserPreInvite(User* source,User* dest,Channel* channel, time_t timeout)
+ {
+ return MatchPattern(dest, source, SILENCE_INVITE);
+ }
-class ModuleSilenceFactory : public ModuleFactory
-{
- public:
- ModuleSilenceFactory()
+ ModResult MatchPattern(User* dest, User* source, int pattern)
{
+ /* Server source */
+ if (!source || !dest)
+ return MOD_RES_ALLOW;
+
+ 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;
}
-
- ~ModuleSilenceFactory()
+
+ ~ModuleSilence()
{
}
-
- virtual Module * CreateModule(Server* Me)
+
+ Version GetVersion()
{
- return new ModuleSilence(Me);
+ return Version("Provides support for the /SILENCE command", VF_OPTCOMMON | VF_VENDOR);
}
-
};
-
-extern "C" void * init_module( void )
-{
- return new ModuleSilenceFactory;
-}
-
+MODULE_INIT(ModuleSilence)