-/* +------------------------------------+\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// This typedef holds a silence list. Each user may or may not have a\r// silencelist, if a silence list is empty for a user, he/she does not\r// have one of these structures associated with their user record.\rtypedef std::map<irc::string, time_t> silencelist;\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.so";\r syntax = "{[+|-]<mask>}";\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 :%lu",user->nick, user->nick, c->first.c_str(), (unsigned long)c->second);\r }\r }\r user->WriteServ("272 %s :End of Silence List",user->nick);\r\r return CMD_SUCCESS;\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 \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 silencelist::iterator i = sl->find(mask.c_str());\r if (i != sl->end())\r {\r sl->erase(i);\r user->WriteServ("950 %s %s :Removed %s from silence list",user->nick, user->nick, mask.c_str());\r if (!sl->size())\r {\r // tidy up -- if a user's list is empty, theres no use having it\r // hanging around in the user record.\r DELETE(sl);\r user->Shrink("silence_list");\r }\r }\r else\r user->WriteServ("952 %s %s :%s does not exist on your silence list",user->nick, user->nick, mask.c_str());\r }\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 silencelist::iterator n = sl->find(mask.c_str());\r if (n != sl->end())\r {\r user->WriteServ("952 %s %s :%s is already on your silence list",user->nick, user->nick, mask.c_str());\r return CMD_FAILURE;\r }\r if (sl->size() >= maxsilence)\r {\r user->WriteServ("952 %s %s :Your silence list is full",user->nick, user->nick, mask.c_str());\r return CMD_FAILURE;\r }\r sl->insert(std::make_pair<irc::string, time_t>(mask.c_str(), ServerInstance->Time()));\r user->WriteServ("951 %s %s :Added %s to silence list",user->nick, user->nick, mask.c_str());\r return CMD_SUCCESS;\r }\r }\r return CMD_SUCCESS;\r }\r};\r\rclass ModuleSilence : public Module\r{\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 void Implements(char* List)\r {\r List[I_OnRehash] = List[I_OnUserQuit] = List[I_On005Numeric] = List[I_OnUserPreNotice] = List[I_OnUserPreMessage] = 1;\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 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 // and to prevent a HONKING BIG MEMORY LEAK!\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 + " SILENCE=" + ConvToStr(maxsilence);\r }\r \r virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)\r {\r // im not sure how unreal's silence operates but ours is sensible. It blocks notices and\r // privmsgs from people on the silence list, directed privately at the user.\r // channel messages are unaffected (ever tried to follow the flow of conversation in\r // a channel when you've set an ignore on the two most talkative people?)\r if ((target_type == TYPE_USER) && (IS_LOCAL(user)))\r {\r userrec* u = (userrec*)dest;\r silencelist* sl;\r u->GetExt("silence_list", sl);\r if (sl)\r {\r for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)\r {\r if (match(user->GetFullHost(), c->first.c_str()))\r {\r return 1;\r }\r }\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 OnUserPreNotice(user,dest,target_type,text,status,exempt_list);\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
\ No newline at end of file
+/*
+ * 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"
+
+/* $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;
+
+// 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 CommandSVSSilence : public Command
+{
+ public:
+ CommandSVSSilence(Module* Creator) : Command(Creator,"SVSSILENCE", 2)
+ {
+ 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. */
+ }
+
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
+ /*
+ * 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.
+ 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(271, "%s %s %s %s",user->nick.c_str(), user->nick.c_str(),c->first.c_str(), decomppattern.c_str());
+ }
+ }
+ user->WriteNumeric(272, "%s :End of Silence List",user->nick.c_str());
+
+ return CMD_SUCCESS;
+ }
+ else if (parameters.size() > 0)
+ {
+ // one or more parameters, add or delete entry from the list (only the first parameter is used)
+ 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())
+ {
+ // '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
+ 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 (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(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->first.c_str();
+ if (listitem == mask && n->second == pattern)
+ {
+ 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;
+ }
+ }
+ 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 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;
+ CommandSilence cmdsilence;
+ CommandSVSSilence cmdsvssilence;
+ public:
+
+ ModuleSilence()
+ : maxsilence(32), cmdsilence(this, maxsilence), cmdsvssilence(this)
+ {
+ 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);
+ }
+
+ void OnRehash(User* user)
+ {
+ maxsilence = ServerInstance->Config->ConfValue("showwhois")->getInt("maxentries", 32);
+ if (!maxsilence)
+ maxsilence = 32;
+ }
+
+ void On005Numeric(std::string &output)
+ {
+ // we don't really have a limit...
+ output = output + " ESILENCE SILENCE=" + ConvToStr(maxsilence);
+ }
+
+ void OnBuildExemptList(MessageType message_type, Channel* chan, User* sender, char status, CUList &exempt_list, const std::string &text)
+ {
+ 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++)
+ {
+ if (IS_LOCAL(i->first))
+ {
+ if (MatchPattern(i->first, sender, public_silence) == MOD_RES_DENY)
+ {
+ exempt_list.insert(i->first);
+ }
+ }
+ }
+ }
+
+ ModResult PreText(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list, int silence_type)
+ {
+ 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;
+ }
+
+ 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);
+ }
+
+ ModResult OnUserPreNotice(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_NOTICE);
+ }
+
+ ModResult OnUserPreInvite(User* source,User* dest,Channel* channel, time_t timeout)
+ {
+ return MatchPattern(dest, source, SILENCE_INVITE);
+ }
+
+ 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;
+ }
+
+ ~ModuleSilence()
+ {
+ }
+
+ Version GetVersion()
+ {
+ return Version("Provides support for the /SILENCE command", VF_OPTCOMMON | VF_VENDOR);
+ }
+};
+
+MODULE_INIT(ModuleSilence)