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-rw-r--r--src/modules/m_rline.cpp315
1 files changed, 315 insertions, 0 deletions
diff --git a/src/modules/m_rline.cpp b/src/modules/m_rline.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 "m_regex.h"
+#include "xline.h"
+
+static Module* rxengine = 0;
+static Module* mymodule = 0; /* Needed to let RLine send request! */
+
+/* $ModDesc: RLINE: Regexp user banning. */
+
+class CoreExport RLine : public XLine
+{
+ public:
+
+ /** Create a R-Line.
+ * @param s_time The set time
+ * @param d The duration of the xline
+ * @param src The sender of the xline
+ * @param re The reason of the xline
+ * @param regex Pattern to match with
+ * @
+ */
+ RLine(InspIRCd* Instance, time_t s_time, long d, const char* src, const char* re, const char* regexs) : XLine(Instance, s_time, d, src, re, "R")
+ {
+ matchtext = regexs;
+
+ if (!rxengine)
+ {
+ ServerInstance->SNO->WriteToSnoMask('x', "Cannot create regexes until engine is set to a loaded provider!");
+ throw ModuleException("Regex engine not set or loaded!");
+ }
+
+ try {
+ regex = RegexFactoryRequest(mymodule, rxengine, regexs).Create();
+ } catch (ModuleException& ex) {
+ ServerInstance->SNO->WriteToSnoMask('x', "Bad regex: %s", ex.GetReason());
+ throw;
+ }
+ }
+
+ /** Destructor
+ */
+ ~RLine()
+ {
+ delete regex;
+ }
+
+ bool Matches(User *u)
+ {
+ std::string compare = std::string(u->nick) + "!" + u->ident + "@" + u->host + " " + u->fullname;
+
+ ServerInstance->Logs->Log("m_rline",DEBUG, "Matching " + matchtext + " against string " + compare);
+
+ if (regex->Matches(compare))
+ {
+ // Bang. :D
+ return true;
+ }
+
+ return false;
+ }
+
+ bool Matches(const std::string &compare)
+ {
+ if (regex->Matches(compare))
+ {
+ // Bang. :D
+ return true;
+ }
+
+ return false;
+ }
+
+ void Apply(User* u)
+ {
+ DefaultApply(u, "R", true);
+ }
+
+ void DisplayExpiry()
+ {
+ ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed R-Line %s (set by %s %ld seconds ago)", this->matchtext.c_str(), this->source, this->duration);
+ }
+
+ const char* Displayable()
+ {
+ return matchtext.c_str();
+ }
+
+ std::string matchtext;
+
+ Regex *regex;
+};
+
+
+/** An XLineFactory specialized to generate RLine* pointers
+ */
+class CoreExport RLineFactory : public XLineFactory
+{
+ public:
+ RLineFactory(InspIRCd* Instance) : XLineFactory(Instance, "R") { }
+
+ /** Generate a RLine
+ */
+ XLine* Generate(time_t set_time, long duration, const char* source, const char* reason, const char* xline_specific_mask)
+ {
+ return new RLine(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
+ }
+};
+
+/** Handle /RLINE
+ * Syntax is same as other lines: RLINE regex_goes_here 1d :reason
+ */
+class CommandRLine : public Command
+{
+ std::string rxengine;
+
+ public:
+ CommandRLine (InspIRCd* Instance) : Command(Instance,"RLINE", "o", 1)
+ {
+ this->source = "m_rline.so";
+ }
+
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
+
+ if (parameters.size() >= 3)
+ {
+ // Adding - XXX todo make this respect <insane> tag perhaps..
+
+ long duration = ServerInstance->Duration(parameters[1]);
+ RLine *r = NULL;
+
+ try
+ {
+ r = new RLine(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
+ }
+ catch (...)
+ {
+ ; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
+ }
+
+ if (r)
+ {
+ if (ServerInstance->XLines->AddLine(r, user))
+ {
+ if (!duration)
+ {
+ ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent R-Line for %s.", user->nick.c_str(), parameters[0].c_str());
+ }
+ else
+ {
+ time_t c_requires_crap = duration + ServerInstance->Time();
+ ServerInstance->SNO->WriteToSnoMask('x', "%s added timed R-Line for %s, expires on %s", user->nick.c_str(), parameters[0].c_str(),
+ ServerInstance->TimeString(c_requires_crap).c_str());
+ }
+
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ {
+ delete r;
+ user->WriteServ("NOTICE %s :*** R-Line for %s already exists", user->nick.c_str(), parameters[0].c_str());
+ }
+ }
+ }
+ else
+ {
+ if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "R", user))
+ {
+ ServerInstance->SNO->WriteToSnoMask('x',"%s Removed R-Line on %s.",user->nick.c_str(),parameters[0].c_str());
+ }
+ else
+ {
+ // XXX todo implement stats
+ user->WriteServ("NOTICE %s :*** R-Line %s not found in list, try /stats g.",user->nick.c_str(),parameters[0].c_str());
+ }
+ }
+
+ return CMD_SUCCESS;
+ }
+};
+
+class ModuleRLine : public Module
+{
+ private:
+ CommandRLine *r;
+ RLineFactory *f;
+ bool MatchOnNickChange;
+ std::string RegexEngine;
+
+ public:
+ ModuleRLine(InspIRCd* Me) : Module(Me)
+ {
+ mymodule = this;
+ OnRehash(NULL, "");
+
+ Me->Modules->UseInterface("RegularExpression");
+
+ // Create a new command
+ r = new CommandRLine(ServerInstance);
+ ServerInstance->AddCommand(r);
+
+ f = new RLineFactory(ServerInstance);
+ ServerInstance->XLines->RegisterFactory(f);
+
+ Implementation eventlist[] = { I_OnUserConnect, I_OnRehash, I_OnUserPostNick, I_OnLoadModule };
+ ServerInstance->Modules->Attach(eventlist, this, 3);
+
+ }
+
+ virtual ~ModuleRLine()
+ {
+ ServerInstance->Modules->DoneWithInterface("RegularExpression");
+ ServerInstance->XLines->DelAll("R");
+ ServerInstance->XLines->UnregisterFactory(f);
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
+ }
+
+ virtual void OnUserConnect(User* user)
+ {
+ // Apply lines on user connect
+ XLine *rl = ServerInstance->XLines->MatchesLine("R", user);
+
+ if (rl)
+ {
+ // Bang. :P
+ rl->Apply(user);
+ }
+ }
+
+ virtual void OnRehash(User *user, const std::string &parameter)
+ {
+ ConfigReader Conf(ServerInstance);
+
+ MatchOnNickChange = Conf.ReadFlag("rline", "matchonnickchange", 0);
+
+ std::string newrxengine;
+
+ newrxengine = Conf.ReadValue("rline", "engine", 0);
+
+ if (!RegexEngine.empty())
+ {
+ if (RegexEngine == newrxengine)
+ return;
+ ServerInstance->SNO->WriteToSnoMask('x', "Dumping all R-Lines due to regex engine change (was '%s', now '%s')", RegexEngine.c_str(), newrxengine.c_str());
+ ServerInstance->XLines->DelAll("R");
+ }
+ rxengine = 0;
+ RegexEngine = newrxengine;
+ modulelist* ml = ServerInstance->Modules->FindInterface("RegularExpression");
+ for (modulelist::iterator i = ml->begin(); i != ml->end(); ++i)
+ {
+ std::string rxname = RegexNameRequest(this, *i).Send();
+ if (rxname == newrxengine)
+ {
+ ServerInstance->SNO->WriteToSnoMask('x', "R-Line now using engine '%s'", RegexEngine.c_str());
+ rxengine = *i;
+ }
+ }
+ if (!rxengine)
+ {
+ ServerInstance->SNO->WriteToSnoMask('x', "WARNING: Regex engine '%s' is not loaded - R-Line functionality disabled until this is corrected.", RegexEngine.c_str());
+ }
+ }
+
+ virtual void OnLoadModule(Module* mod, const std::string& name)
+ {
+ if (ServerInstance->Modules->ModuleHasInterface(mod, "RegularExpression"))
+ {
+ std::string rxname = RegexNameRequest(this, mod).Send();
+ if (rxname == RegexEngine)
+ {
+ ServerInstance->SNO->WriteToSnoMask('x', "R-Line now using engine '%s'", RegexEngine.c_str());
+ rxengine = mod;
+ }
+ }
+ }
+
+ virtual void OnUserPostNick(User *user, const std::string &oldnick)
+ {
+ if (!IS_LOCAL(user))
+ return;
+
+ if (!MatchOnNickChange)
+ return;
+
+ XLine *rl = ServerInstance->XLines->MatchesLine("R", user);
+
+ if (rl)
+ {
+ // Bang! :D
+ rl->Apply(user);
+ }
+ }
+
+};
+
+MODULE_INIT(ModuleRLine)
+