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-rw-r--r--src/modules/m_silence.cpp368
1 files changed, 368 insertions, 0 deletions
diff --git a/src/modules/m_silence.cpp b/src/modules/m_silence.cpp
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+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2008 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 "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 CommandSilence : public Command
+{
+ unsigned int& maxsilence;
+ public:
+ CommandSilence (InspIRCd* Instance, unsigned int &max) : Command(Instance,"SILENCE", 0, 0), maxsilence(max)
+ {
+ this->source = "m_silence_ext.so";
+ syntax = "{[+|-]<mask> <p|c|i|n|t|a|x>}";
+ TRANSLATE3(TR_TEXT, TR_TEXT, TR_END);
+ }
+
+ CmdResult Handle (const char* const* parameters, int pcnt, User *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->WriteNumeric(271, "%s %s %s %s",user->nick, user->nick,c->first.c_str(), DecompPattern(c->second).c_str());
+ }
+ }
+ user->WriteNumeric(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->WriteNumeric(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");
+ }
+ return CMD_SUCCESS;
+ }
+ }
+ }
+ user->WriteNumeric(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->WriteNumeric(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->WriteNumeric(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->WriteNumeric(951, "%s %s :Added %s %s to silence list",user->nick, user->nick, mask.c_str(), DecompPattern(pattern).c_str());
+ return CMD_SUCCESS;
+ }
+ }
+ 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':
+ 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) > 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
+{
+ CommandSilence* mycommand;
+ unsigned int maxsilence;
+ public:
+
+ ModuleSilence(InspIRCd* Me)
+ : Module(Me), maxsilence(32)
+ {
+ OnRehash(NULL, "");
+ mycommand = new CommandSilence(ServerInstance,maxsilence);
+ ServerInstance->AddCommand(mycommand);
+ Implementation eventlist[] = { I_OnRehash, I_OnBuildExemptList, I_OnUserQuit, I_On005Numeric, I_OnUserPreNotice, I_OnUserPreMessage, I_OnUserPreInvite };
+ ServerInstance->Modules->Attach(eventlist, this, 7);
+ }
+
+ virtual void OnRehash(User* user, const std::string &parameter)
+ {
+ ConfigReader Conf(ServerInstance);
+ maxsilence = Conf.ReadInteger("silence", "maxentries", 0, true);
+ if (!maxsilence)
+ maxsilence = 32;
+ }
+
+
+ virtual void OnUserQuit(User* 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, Channel* chan, User* sender, char status, CUList &exempt_list, const std::string &text)
+ {
+ 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(User* 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((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 0;
+ }
+
+ virtual int 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 int 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);
+ }
+
+ virtual int OnUserPreInvite(User* source,User* dest,Channel* channel, time_t timeout)
+ {
+ return MatchPattern(dest, source, SILENCE_INVITE);
+ }
+
+ int MatchPattern(User* dest, User* 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, 2, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
+ }
+};
+
+MODULE_INIT(ModuleSilence)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 12:38:32 +0000