1 /* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include "users.h"
\r#include "channels.h"
\r#include "modules.h"
\r#include "hashcomp.h"
\r#include "wildcard.h"
\r\r/* $ModDesc: Provides support for the /SILENCE command */
\r\r/* Improved drop-in replacement for the /SILENCE command
\r * syntax: /SILENCE [+|-]<mask> <p|c|i|n|t|a|x> as in <privatemessage|channelmessage|invites|privatenotice|channelnotice|all|exclude>
\r *
\r * example that blocks all except private messages
\r * /SILENCE +*!*@* a
\r * /SILENCE +*!*@* px
\r *
\r * example that blocks all invites except from channel services
\r * /SILENCE +*!*@* i
\r * /SILENCE +chanserv!services@chatters.net ix
\r *
\r * example that blocks some bad dude from private, notice and inviting you
\r * /SILENCE +*!kiddie@lamerz.net pin
\r *
\r * TODO: possibly have add and remove check for existing host and only modify flags according to
\r * what's been changed instead of having to remove first, then add if you want to change
\r * an entry.
\r */
\r\r// pair of hostmask and flags
\rtypedef std::pair<std::string, int> silenceset;
\r\r// deque list of pairs
\rtypedef std::deque<silenceset> silencelist;
\r\r// intmasks for flags
\rstatic int SILENCE_PRIVATE = 0x0001; /* p private messages */
\rstatic int SILENCE_CHANNEL = 0x0002; /* c channel messages */
\rstatic int SILENCE_INVITE = 0x0004; /* i invites */
\rstatic int SILENCE_NOTICE = 0x0008; /* n notices */
\rstatic int SILENCE_CNOTICE = 0x0010; /* t channel notices */
\rstatic int SILENCE_ALL = 0x0020; /* a all, (pcint) */
\rstatic int SILENCE_EXCLUDE = 0x0040; /* x exclude this pattern */
\r\r\rclass cmd_silence : public command_t
\r{
\r unsigned int& maxsilence;
\r public:
\r cmd_silence (InspIRCd* Instance, unsigned int &max) : command_t(Instance,"SILENCE", 0, 0), maxsilence(max)
\r {
\r this->source = "m_silence_ext.so";
\r syntax = "{[+|-]<mask> <p|c|i|n|t|a|x>}";
\r }
\r\r CmdResult Handle (const char** parameters, int pcnt, userrec *user)
\r {
\r if (!pcnt)
\r {
\r // no parameters, show the current silence list.
\r // Use Extensible::GetExt to fetch the silence list
\r silencelist* sl;
\r user->GetExt("silence_list", sl);
\r // if the user has a silence list associated with their user record, show it
\r if (sl)
\r {
\r for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
\r {
\r user->WriteServ("271 %s %s %s %s",user->nick, user->nick,c->first.c_str(), DecompPattern(c->second).c_str());
\r }
\r }
\r user->WriteServ("272 %s :End of Silence List",user->nick);
\r\r return CMD_LOCALONLY;
\r }
\r else if (pcnt > 0)
\r {
\r // one or more parameters, add or delete entry from the list (only the first parameter is used)
\r std::string mask = parameters[0] + 1;
\r char action = *parameters[0];
\r // Default is private and notice so clients do not break
\r int pattern = CompilePattern("pn");
\r\r // if pattern supplied, use it
\r if (pcnt > 1) {
\r pattern = CompilePattern(parameters[1]);
\r }
\r \r if (!mask.length())
\r {
\r // 'SILENCE +' or 'SILENCE -', assume *!*@*
\r mask = "*!*@*";
\r }
\r \r ModeParser::CleanMask(mask);
\r\r if (action == '-')
\r {
\r // fetch their silence list
\r silencelist* sl;
\r user->GetExt("silence_list", sl);
\r // does it contain any entries and does it exist?
\r if (sl)
\r {
\r for (silencelist::iterator i = sl->begin(); i != sl->end(); i++)
\r {
\r // search through for the item
\r irc::string listitem = i->first.c_str();
\r if (listitem == mask && i->second == pattern)
\r {
\r sl->erase(i);
\r user->WriteServ("950 %s %s :Removed %s %s from silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
\r if (!sl->size())
\r {
\r DELETE(sl);
\r user->Shrink("silence_list");
\r }
\r break;
\r }
\r }
\r }
\r user->WriteServ("952 %s %s :%s %s does not exist on your silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
\r }
\r else if (action == '+')
\r {
\r // fetch the user's current silence list
\r silencelist* sl;
\r user->GetExt("silence_list", sl);
\r // what, they dont have one??? WE'RE ALL GONNA DIE! ...no, we just create an empty one.
\r if (!sl)
\r {
\r sl = new silencelist;
\r user->Extend("silence_list", sl);
\r }
\r if (sl->size() > maxsilence)
\r {
\r user->WriteServ("952 %s %s :Your silence list is full",user->nick, user->nick);
\r return CMD_FAILURE;
\r }
\r for (silencelist::iterator n = sl->begin(); n != sl->end(); n++)
\r {
\r irc::string listitem = n->first.c_str();
\r if (listitem == mask && n->second == pattern)
\r {
\r user->WriteServ("952 %s %s :%s %s is already on your silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
\r return CMD_FAILURE;
\r }
\r }
\r if (((pattern & SILENCE_EXCLUDE) > 0))
\r {
\r sl->push_front(silenceset(mask,pattern));
\r }
\r else
\r {
\r sl->push_back(silenceset(mask,pattern));
\r }
\r user->WriteServ("951 %s %s :Added %s %s to silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
\r return CMD_LOCALONLY;
\r }
\r }
\r return CMD_LOCALONLY;
\r }
\r\r /* turn the nice human readable pattern into a mask */
\r int CompilePattern(const char* pattern)
\r {
\r int p = 0;
\r for (const char* n = pattern; *n; n++)
\r {
\r switch (*n)
\r {
\r case 'p':
\r p |= SILENCE_PRIVATE;
\r break;
\r case 'c':
\r p |= SILENCE_CHANNEL;
\r break;
\r case 'i':
\r p |= SILENCE_INVITE;
\r break;
\r case 'n':
\r p |= SILENCE_NOTICE;
\r break;
\r case 't':
\r p |= SILENCE_CNOTICE;
\r break;
\r case 'a':
\r p |= SILENCE_ALL;
\r break;
\r case 'x':
\r p |= SILENCE_EXCLUDE;
\r break;
\r default:
\r break;
\r }
\r }
\r return p;
\r }
\r\r /* turn the mask into a nice human readable format */
\r std::string DecompPattern (const int pattern)
\r {
\r std::string out;
\r if ((pattern & SILENCE_PRIVATE) > 0)
\r out += ",privatemessages";
\r if ((pattern & SILENCE_CHANNEL) > 0)
\r out += ",channelmessages";
\r if ((pattern & SILENCE_INVITE) > 0)
\r out += ",invites";
\r if ((pattern & SILENCE_NOTICE) > 0)
\r out += ",privatenotices";
\r if ((pattern & SILENCE_CNOTICE) > 0)
\r out += ",channelnotices";
\r if ((pattern & SILENCE_ALL) > 0)
\r out = ",all";
\r if ((pattern & SILENCE_EXCLUDE) > 0)
\r out += ",exclude";
\r return "<" + out.substr(1) + ">";
\r }
\r\r};
\r\rclass ModuleSilence : public Module
\r{
\r cmd_silence* mycommand;
\r unsigned int maxsilence;
\r public:
\r \r ModuleSilence(InspIRCd* Me)
\r : Module(Me), maxsilence(32)
\r {
\r OnRehash(NULL, "");
\r mycommand = new cmd_silence(ServerInstance,maxsilence);
\r ServerInstance->AddCommand(mycommand);
\r }
\r\r virtual void OnRehash(userrec* user, const std::string ¶meter)
\r {
\r ConfigReader Conf(ServerInstance);
\r maxsilence = Conf.ReadInteger("silence", "maxentries", 0, true);
\r if (!maxsilence)
\r maxsilence = 32;
\r }
\r\r void Implements(char* List)
\r {
\r List[I_OnRehash] = List[I_OnBuildExemptList] = List[I_OnUserQuit] = List[I_On005Numeric] = List[I_OnUserPreNotice] = List[I_OnUserPreMessage] = List[I_OnUserPreInvite] = 1;
\r }
\r\r virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
\r {
\r // when the user quits tidy up any silence list they might have just to keep things tidy
\r silencelist* sl;
\r user->GetExt("silence_list", sl);
\r if (sl)
\r {
\r DELETE(sl);
\r user->Shrink("silence_list");
\r }
\r }
\r\r virtual void On005Numeric(std::string &output)
\r {
\r // we don't really have a limit...
\r output = output + " ESILENCE SILENCE=" + ConvToStr(maxsilence);
\r }
\r\r virtual void OnBuildExemptList(MessageType message_type, chanrec* chan, userrec* sender, char status, CUList &exempt_list)
\r {
\r int public_silence = (message_type == MSG_PRIVMSG ? SILENCE_CHANNEL : SILENCE_CNOTICE);
\r CUList *ulist;
\r switch (status)
\r {
\r case '@':
\r ulist = chan->GetOppedUsers();
\r break;
\r case '%':
\r ulist = chan->GetHalfoppedUsers();
\r break;
\r case '+':
\r ulist = chan->GetVoicedUsers();
\r break;
\r default:
\r ulist = chan->GetUsers();
\r break;
\r }
\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
\r {
\r if (IS_LOCAL(i->first))
\r {
\r if (MatchPattern(i->first, sender, public_silence) == 1)
\r {
\r exempt_list[i->first] = i->first->nick;
\r }
\r }
\r }
\r }
\r\r virtual int PreText(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list, int silence_type)
\r {
\r if (!IS_LOCAL(user))
\r return 0;
\r\r if (target_type == TYPE_USER)
\r {
\r return MatchPattern((userrec*)dest, user, silence_type);
\r }
\r else if (target_type == TYPE_CHANNEL)
\r {
\r chanrec* chan = (chanrec*)dest;
\r if (chan)
\r {
\r this->OnBuildExemptList((silence_type == SILENCE_PRIVATE ? MSG_PRIVMSG : MSG_NOTICE), chan, user, status, exempt_list);
\r }
\r }
\r return 0;
\r }
\r\r virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
\r {
\r return PreText(user, dest, target_type, text, status, exempt_list, SILENCE_PRIVATE);
\r }
\r\r virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
\r {
\r return PreText(user, dest, target_type, text, status, exempt_list, SILENCE_NOTICE);
\r }
\r\r virtual int OnUserPreInvite(userrec* source,userrec* dest,chanrec* channel)
\r {
\r return MatchPattern(dest, source, SILENCE_INVITE);
\r }
\r\r int MatchPattern(userrec* dest, userrec* source, int pattern)
\r {
\r silencelist* sl;
\r dest->GetExt("silence_list", sl);
\r if (sl)
\r {
\r for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
\r {
\r if (((((c->second & pattern) > 0)) || ((c->second & SILENCE_ALL) > 0)) && (ServerInstance->MatchText(source->GetFullHost(), c->first)))
\r return !(((c->second & SILENCE_EXCLUDE) > 0));
\r }
\r }
\r return 0;
\r }
\r\r virtual ~ModuleSilence()
\r {
\r }
\r \r virtual Version GetVersion()
\r {
\r return Version(1,1,0,1,VF_VENDOR,API_VERSION);
\r }
\r};
\r\rMODULE_INIT(ModuleSilence)
\r
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