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[user/henk/code/inspircd.git] / src / modules / m_silence_ext.cpp
index 7b1588043e41291131162788f3efd239287daac0..1bb3b26e519ac96e97ff3cd01ed8676493b2fe3c 100644 (file)
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-/*       +------------------------------------+\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 &parameter)\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
\ No newline at end of file
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+#include "hashcomp.h"
+#include "wildcard.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 cmd_silence : public command_t
+{
+       unsigned int& maxsilence;
+ public:
+       cmd_silence (InspIRCd* Instance, unsigned int &max) : command_t(Instance,"SILENCE", 0, 0), maxsilence(max)
+       {
+               this->source = "m_silence_ext.so";
+               syntax = "{[+|-]<mask> <p|c|i|n|t|a|x>}";
+       }
+
+       CmdResult Handle (const char** parameters, int pcnt, userrec *user)
+       {
+               if (!pcnt)
+               {
+                       // no parameters, show the current silence list.
+                       // Use Extensible::GetExt to fetch the silence list
+                       silencelist* sl;
+                       user->GetExt("silence_list", sl);
+                       // 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++)
+                               {
+                                       user->WriteServ("271 %s %s %s %s",user->nick, user->nick,c->first.c_str(), DecompPattern(c->second).c_str());
+                               }
+                       }
+                       user->WriteServ("272 %s :End of Silence List",user->nick);
+
+                       return CMD_LOCALONLY;
+               }
+               else if (pcnt > 0)
+               {
+                       // 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];
+                       // Default is private and notice so clients do not break
+                       int pattern = CompilePattern("pn");
+
+                       // if pattern supplied, use it
+                       if (pcnt > 1) {
+                               pattern = CompilePattern(parameters[1]);
+                       }
+                       
+                       if (!mask.length())
+                       {
+                               // 'SILENCE +' or 'SILENCE -', assume *!*@*
+                               mask = "*!*@*";
+                       }
+                       
+                       ModeParser::CleanMask(mask);
+
+                       if (action == '-')
+                       {
+                               // fetch their silence list
+                               silencelist* sl;
+                               user->GetExt("silence_list", sl);
+                               // 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->WriteServ("950 %s %s :Removed %s %s from silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
+                                                       if (!sl->size())
+                                                       {
+                                                               DELETE(sl);
+                                                               user->Shrink("silence_list");
+                                                       }
+                                                       break;
+                                               }
+                                       }
+                               }
+                               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());
+                       }
+                       else if (action == '+')
+                       {
+                               // 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.
+                               if (!sl)
+                               {
+                                       sl = new silencelist;
+                                       user->Extend("silence_list", sl);
+                               }
+                               if (sl->size() > maxsilence)
+                               {
+                                       user->WriteServ("952 %s %s :Your silence list is full",user->nick, user->nick);
+                                       return CMD_FAILURE;
+                               }
+                               for (silencelist::iterator n = sl->begin(); n != sl->end();  n++)
+                               {
+                                       irc::string listitem = n->first.c_str();
+                                       if (listitem == mask && n->second == pattern)
+                                       {
+                                               user->WriteServ("952 %s %s :%s %s is already on your silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
+                                               return CMD_FAILURE;
+                                       }
+                               }
+                               if (((pattern & SILENCE_EXCLUDE) > 0))
+                               {
+                                       sl->push_front(silenceset(mask,pattern));
+                               }
+                               else
+                               {
+                                       sl->push_back(silenceset(mask,pattern));
+                               }
+                               user->WriteServ("951 %s %s :Added %s %s to silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
+                               return CMD_LOCALONLY;
+                       }
+               }
+               return CMD_LOCALONLY;
+       }
+
+       /* 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':
+                                       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) > 0)
+                       out += ",privatemessages";
+               if ((pattern & SILENCE_CHANNEL) > 0)
+                       out += ",channelmessages";
+               if ((pattern & SILENCE_INVITE) > 0)
+                       out += ",invites";
+               if ((pattern & SILENCE_NOTICE) > 0)
+                       out += ",privatenotices";
+               if ((pattern & SILENCE_CNOTICE) > 0)
+                       out += ",channelnotices";
+               if ((pattern & SILENCE_ALL) > 0)
+                       out = ",all";
+               if ((pattern & SILENCE_EXCLUDE) > 0)
+                       out += ",exclude";
+               return "<" + out.substr(1) + ">";
+       }
+
+};
+
+class ModuleSilence : public Module
+{
+       cmd_silence* mycommand;
+       unsigned int maxsilence;
+ public:
+       ModuleSilence(InspIRCd* Me)
+               : Module(Me), maxsilence(32)
+       {
+               OnRehash(NULL, "");
+               mycommand = new cmd_silence(ServerInstance,maxsilence);
+               ServerInstance->AddCommand(mycommand);
+       }
+
+       virtual void OnRehash(userrec* user, const std::string &parameter)
+       {
+               ConfigReader Conf(ServerInstance);
+               maxsilence = Conf.ReadInteger("silence", "maxentries", 0, true);
+               if (!maxsilence)
+                       maxsilence = 32;
+       }
+
+       void Implements(char* List)
+       {
+               List[I_OnRehash] = List[I_OnBuildExemptList] = List[I_OnUserQuit] = List[I_On005Numeric] = List[I_OnUserPreNotice] = List[I_OnUserPreMessage] = List[I_OnUserPreInvite] = 1;
+       }
+
+       virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
+       {
+               // when the user quits tidy up any silence list they might have just to keep things tidy
+               silencelist* sl;
+               user->GetExt("silence_list", sl);
+               if (sl)
+               {
+                       DELETE(sl);
+                       user->Shrink("silence_list");
+               }
+       }
+
+       virtual void On005Numeric(std::string &output)
+       {
+               // we don't really have a limit...
+               output = output + " ESILENCE SILENCE=" + ConvToStr(maxsilence);
+       }
+
+       virtual void OnBuildExemptList(MessageType message_type, chanrec* chan, userrec* sender, char status, CUList &exempt_list)
+       {
+               int public_silence = (message_type == MSG_PRIVMSG ? SILENCE_CHANNEL : SILENCE_CNOTICE);
+               CUList *ulist;
+               switch (status)
+               {
+                       case '@':
+                               ulist = chan->GetOppedUsers();
+                               break;
+                       case '%':
+                               ulist = chan->GetHalfoppedUsers();
+                               break;
+                       case '+':
+                               ulist = chan->GetVoicedUsers();
+                               break;
+                       default:
+                               ulist = chan->GetUsers();
+                               break;
+               }
+
+               for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+               {
+                       if (IS_LOCAL(i->first))
+                       {
+                               if (MatchPattern(i->first, sender, public_silence) == 1)
+                               {
+                                       exempt_list[i->first] = i->first->nick;
+                               }
+                       }
+               }
+       }
+
+       virtual int PreText(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list, int silence_type)
+       {
+               if (!IS_LOCAL(user))
+                       return 0;
+
+               if (target_type == TYPE_USER)
+               {
+                       return MatchPattern((userrec*)dest, user, silence_type);
+               }
+               else if (target_type == TYPE_CHANNEL)
+               {
+                       chanrec* chan = (chanrec*)dest;
+                       if (chan)
+                       {
+                               this->OnBuildExemptList((silence_type == SILENCE_PRIVATE ? MSG_PRIVMSG : MSG_NOTICE), chan, user, status, exempt_list);
+                       }
+               }
+               return 0;
+       }
+
+       virtual int OnUserPreMessage(userrec* 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 int OnUserPreNotice(userrec* 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);
+       }
+
+       virtual int OnUserPreInvite(userrec* source,userrec* dest,chanrec* channel)
+       {
+               return MatchPattern(dest, source, SILENCE_INVITE);
+       }
+
+       int MatchPattern(userrec* dest, userrec* source, int pattern)
+       {
+               silencelist* sl;
+               dest->GetExt("silence_list", sl);
+               if (sl)
+               {
+                       for (silencelist::const_iterator c = sl->begin(); c != sl->end(); c++)
+                       {
+                               if (((((c->second & pattern) > 0)) || ((c->second & SILENCE_ALL) > 0)) && (ServerInstance->MatchText(source->GetFullHost(), c->first)))
+                                       return !(((c->second & SILENCE_EXCLUDE) > 0));
+                       }
+               }
+               return 0;
+       }
+
+       virtual ~ModuleSilence()
+       {
+       }
+       
+       virtual Version GetVersion()
+       {
+               return Version(1, 1, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
+       }
+};
+
+MODULE_INIT(ModuleSilence)