]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_rline.cpp
Remove CMD_LOCALONLY, enforce use of GetRouting for routed commands
[user/henk/code/inspircd.git] / src / modules / m_rline.cpp
index 0aaae30d7e32df031e6e2b3a1b18138dca101765..007ac024607d6634fd8720788956904526a96210 100644 (file)
@@ -2,30 +2,27 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
- *         the file COPYING for details.
+ *            the file COPYING for details.
  *
  * ---------------------------------------------------
  */
 
 #include "inspircd.h"
-#include <pcre.h>
+#include "m_regex.h"
 #include "xline.h"
 
-/* $ModDesc: RLINE: Regexp user banning. */
-/* $CompileFlags: exec("pcre-config --cflags") */
-/* $LinkerFlags: exec("pcre-config --libs") rpath("pcre-config --libs") -lpcre */
+static Module* rxengine = NULL;
+static Module* mymodule = NULL; /* Needed to let RLine send request! */
 
-#ifdef WINDOWS
-#pragma comment(lib, "pcre.lib")
-#endif
+/* $ModDesc: RLINE: Regexp user banning. */
 
-class CoreExport RLine : public XLine
+class RLine : public XLine
 {
 public:
+ public:
 
        /** Create a R-Line.
         * @param s_time The set time
@@ -35,53 +32,42 @@ class CoreExport RLine : public 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")
+       RLine(InspIRCd* Instance, time_t s_time, long d, std::string src, std::string re, std::string regexs)
+               : XLine(Instance, s_time, d, src, re, "R")
        {
-               const char *error;
-               int erroffset;
-
                matchtext = regexs;
 
-               regex = pcre_compile(regexs, 0, &error, &erroffset, NULL);
-
-               if (!regex)
+               if (!rxengine)
                {
-                       ServerInstance->SNO->WriteToSnoMask('x',"Error in regular expression: %s at offset %d: %s\n", regexs, erroffset, error);
-                       throw CoreException("Bad regex pattern.");
+                       ServerInstance->SNO->WriteToSnoMask('x', "Cannot create regexes until engine is set to a loaded provider!");
+                       throw ModuleException("Regex engine not set or loaded!");
                }
+
+               /* This can throw on failure, but if it does we DONT catch it here, we catch it and display it
+                * where the object is created, we might not ALWAYS want it to output stuff to snomask x all the time
+                */
+               regex = RegexFactoryRequest(mymodule, rxengine, regexs).Create();
        }
 
        /** Destructor
         */
        ~RLine()
        {
-               pcre_free(regex);
+               delete regex;
        }
 
        bool Matches(User *u)
        {
-               std::string compare = std::string(u->nick) + "!" + u->ident + "@" + u->host + " " + u->fullname;
-
-               ServerInstance->Log(DEBUG, "Matching " + matchtext + " against string " + compare);
+               if (u->exempt)
+                       return false;
 
-               if (pcre_exec(regex, NULL, compare.c_str(), compare.length(), 0, 0, NULL, 0) > -1)
-               {
-                       // Bang. :D
-                       return true;
-               }
-
-               return false;
+               std::string compare = u->nick + "!" + u->ident + "@" + u->host + " " + u->fullname;
+               return regex->Matches(compare);
        }
 
        bool Matches(const std::string &compare)
        {
-               if (pcre_exec(regex, NULL, compare.c_str(), compare.length(), 0, 0, NULL, 0) > -1)
-               {
-                       // Bang. :D
-                       return true;
-               }
-
-               return false;
+               return regex->Matches(compare);
        }
 
        void Apply(User* u)
@@ -91,7 +77,8 @@ class CoreExport RLine : public XLine
 
        void DisplayExpiry()
        {
-               ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed R-Line %s (set by %s %d seconds ago)", this->matchtext.c_str(), this->source, this->duration);
+               ServerInstance->SNO->WriteToSnoMask('x',"Removing expired R-Line %s (set by %s %ld seconds ago)",
+                       this->matchtext.c_str(), this->source.c_str(), (long int)(ServerInstance->Time() - this->set_time));
        }
 
        const char* Displayable()
@@ -101,23 +88,29 @@ class CoreExport RLine : public XLine
 
        std::string matchtext;
 
-       pcre *regex;
+       Regex *regex;
 };
 
 
 /** An XLineFactory specialized to generate RLine* pointers
  */
-class CoreExport RLineFactory : public XLineFactory
+class RLineFactory : public XLineFactory
 {
  public:
-       RLineFactory(InspIRCd* Instance) : XLineFactory(Instance, "R") { }
+       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)
+       XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
        {
                return new RLine(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
        }
+
+       ~RLineFactory()
+       {
+       }
 };
 
 /** Handle /RLINE
@@ -125,16 +118,18 @@ class CoreExport RLineFactory : public XLineFactory
  */
 class CommandRLine : public Command
 {
+       std::string rxengine;
+
  public:
-       CommandRLine (InspIRCd* Instance) : Command(Instance,"RLINE", 'o', 1)
+       CommandRLine (InspIRCd* Instance, Module* Creator) : Command(Instance, Creator,"RLINE", "o", 1, 3)
        {
-               this->source = "m_rline.so";
+               this->syntax = "<regex> [<rline-duration>] :<reason>";
        }
 
-       CmdResult Handle (const char** parameters, int pcnt, User *user)
+       CmdResult Handle (const std::vector<std::string>& parameters, User *user)
        {
 
-               if (pcnt >= 3)
+               if (parameters.size() >= 3)
                {
                        // Adding - XXX todo make this respect <insane> tag perhaps..
 
@@ -143,11 +138,11 @@ class CommandRLine : public Command
 
                        try
                        {
-                               r = new RLine(ServerInstance, ServerInstance->Time(), duration, user->nick, parameters[2], parameters[0]);
+                               r = new RLine(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
                        }
-                       catch (...)
+                       catch (ModuleException &e)
                        {
-                               ; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
+                               ServerInstance->SNO->WriteToSnoMask('x',"Could not add RLINE: %s", e.GetReason());
                        }
 
                        if (r)
@@ -156,13 +151,12 @@ class CommandRLine : public Command
                                {
                                        if (!duration)
                                        {
-                                               ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent R-Line for %s.", user->nick, parameters[0]);
+                                               ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent R-Line for %s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[2].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, parameters[0],
-                                                               ServerInstance->TimeString(c_requires_crap).c_str());
+                                               ServerInstance->SNO->WriteToSnoMask('x', "%s added timed R-Line for %s, expires on %s: %s", user->nick.c_str(), parameters[0].c_str(), ServerInstance->TimeString(c_requires_crap).c_str(), parameters[2].c_str());
                                        }
 
                                        ServerInstance->XLines->ApplyLines();
@@ -170,52 +164,153 @@ class CommandRLine : public Command
                                else
                                {
                                        delete r;
-                                       user->WriteServ("NOTICE %s :*** R-Line for %s already exists", user->nick, parameters[0]);
+                                       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], "R", user))
+                       if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "R", user))
                        {
-                               ServerInstance->SNO->WriteToSnoMask('x',"%s Removed R-Line on %s.",user->nick,parameters[0]);
+                               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,parameters[0]);
+                               user->WriteServ("NOTICE %s :*** R-Line %s not found in list, try /stats R.",user->nick.c_str(),parameters[0].c_str());
                        }
                }
 
                return CMD_SUCCESS;
        }
+
+       RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+       {
+               return ROUTE_BROADCAST;
+       }
 };
 
 class ModuleRLine : public Module
 {
  private:
-       CommandRLine *r;
-       RLineFactory *f;
+       CommandRLine r;
+       RLineFactory f;
+       bool MatchOnNickChange;
+       std::string RegexEngine;
+
  public:
-       ModuleRLine(InspIRCd* Me) : Module(Me)
+       ModuleRLine(InspIRCd* Me) : Module(Me), r(Me, this), f(Me)
        {
-               // Create a new command
-               r = new CommandRLine(ServerInstance);
-               ServerInstance->AddCommand(r);
+               mymodule = this;
+               OnRehash(NULL);
+
+               Me->Modules->UseInterface("RegularExpression");
+
+               ServerInstance->AddCommand(&r);
+               ServerInstance->XLines->RegisterFactory(&f);
+
+               Implementation eventlist[] = { I_OnUserConnect, I_OnRehash, I_OnUserPostNick, I_OnLoadModule, I_OnStats };
+               ServerInstance->Modules->Attach(eventlist, this, 5);
 
-               f = new RLineFactory(ServerInstance);
-               ServerInstance->XLines->RegisterFactory(f);
        }
 
        virtual ~ModuleRLine()
        {
-               ServerInstance->XLines->UnregisterFactory(f);
+               ServerInstance->Modules->DoneWithInterface("RegularExpression");
+               ServerInstance->XLines->DelAll("R");
+               ServerInstance->XLines->UnregisterFactory(&f);
        }
 
        virtual Version GetVersion()
        {
-               return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
+               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)
+       {
+               ConfigReader Conf(ServerInstance);
+
+               MatchOnNickChange = Conf.ReadFlag("rline", "matchonnickchange", 0);
+               std::string 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");
+               if (ml)
+               {
+                       for (modulelist::iterator i = ml->begin(); i != ml->end(); ++i)
+                       {
+                               if (RegexNameRequest(this, *i).Send() == 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 ModResult OnStats(char symbol, User* user, string_list &results)
+       {
+               if (symbol != 'R')
+                       return MOD_RES_PASSTHRU;
+
+               ServerInstance->XLines->InvokeStats("R", 223, user, results);
+               return MOD_RES_DENY;
        }
+
+       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)