* | 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! */
+static bool ZlineOnMatch = false;
+static std::vector<ZLine *> background_zlines;
-#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
* @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, "K")
+ RLine(time_t s_time, long d, std::string src, std::string re, std::string regexs)
+ : XLine(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('a', "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;
}
- virtual bool Matches(User *u)
+ bool Matches(User *u)
{
- std::string compare = compare.assign(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);
}
- virtual bool Matches(const std::string&); // Ignored for us
+ bool Matches(const std::string &compare)
+ {
+ return regex->Matches(compare);
+ }
- virtual void Apply(User* u)
+ void Apply(User* u)
{
- DefaultApply(u, "R", true);
+ if (ZlineOnMatch) {
+ background_zlines.push_back(new ZLine(ServerInstance->Time(), duration ? expiry - ServerInstance->Time() : 0, ServerInstance->Config->ServerName, reason.c_str(), u->GetIPString()));
+ }
+ DefaultApply(u, "R", false);
}
- virtual void DisplayExpiry()
+ 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));
}
- virtual const char* Displayable()
+ const char* Displayable()
{
return matchtext.c_str();
}
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() : XLineFactory("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);
- }
+ XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+ {
+ return new RLine(set_time, duration, source, reason, xline_specific_mask);
+ }
+
+ ~RLineFactory()
+ {
+ }
};
-/*
- if (pcnt >= 3)
+/** Handle /RLINE
+ * Syntax is same as other lines: RLINE regex_goes_here 1d :reason
+ */
+class CommandRLine : public Command
+{
+ std::string rxengine;
+
+ public:
+ CommandRLine(Module* Creator) : Command(Creator,"RLINE", 1, 3)
{
- IdentHostPair ih;
- User* find = ServerInstance->FindNick(parameters[0]);
- if (find)
- {
- ih.first = "*";
- ih.second = find->GetIPString();
- }
- else
- ih = ServerInstance->XLines->IdentSplit(parameters[0]);
+ flags_needed = 'o'; this->syntax = "<regex> [<rline-duration>] :<reason>";
+ }
- if (ServerInstance->HostMatchesEveryone(ih.first+"@"+ih.second,user))
- return CMD_FAILURE;
+ CmdResult Handle (const std::vector<std::string>& parameters, User *user)
+ {
- if (!strchr(parameters[0],'@'))
- {
- user->WriteServ("NOTICE %s :*** G-Line must contain a username, e.g. *@%s",user->nick,parameters[0]);
- return CMD_FAILURE;
- }
- else if (strchr(parameters[0],'!'))
+ if (parameters.size() >= 3)
{
- user->WriteServ("NOTICE %s :*** G-Line cannot contain a nickname!",user->nick);
- return CMD_FAILURE;
- }
+ // Adding - XXX todo make this respect <insane> tag perhaps..
- long duration = ServerInstance->Duration(parameters[1]);
- GLine* gl = new GLine(ServerInstance, ServerInstance->Time(), duration, user->nick, parameters[2], ih.first.c_str(), ih.second.c_str());
- if (ServerInstance->XLines->AddLine(gl, user))
- {
- if (!duration)
+ long duration = ServerInstance->Duration(parameters[1]);
+ RLine *r = NULL;
+
+ try
{
- ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent G-line for %s.",user->nick,parameters[0]);
+ r = new RLine(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
}
- else
+ catch (ModuleException &e)
{
- time_t c_requires_crap = duration + ServerInstance->Time();
- ServerInstance->SNO->WriteToSnoMask('x',"%s added timed G-line for %s, expires on %s",user->nick,parameters[0],
- ServerInstance->TimeString(c_requires_crap).c_str());
+ ServerInstance->SNO->WriteToSnoMask('a',"Could not add RLINE: %s", e.GetReason());
}
- ServerInstance->XLines->ApplyLines();
+ if (r)
+ {
+ if (ServerInstance->XLines->AddLine(r, user))
+ {
+ if (!duration)
+ {
+ 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 to expire 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();
+ }
+ else
+ {
+ delete r;
+ user->WriteServ("NOTICE %s :*** R-Line for %s already exists", user->nick.c_str(), parameters[0].c_str());
+ }
+ }
}
else
{
- delete gl;
- user->WriteServ("NOTICE %s :*** G-Line for %s already exists",user->nick,parameters[0]);
+ 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
+ {
+ 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;
}
- else
+
+ RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
{
- if (ServerInstance->XLines->DelLine(parameters[0],"G",user))
- {
- ServerInstance->SNO->WriteToSnoMask('x',"%s Removed G-line on %s.",user->nick,parameters[0]);
- }
- else
- {
- user->WriteServ("NOTICE %s :*** G-line %s not found in list, try /stats g.",user->nick,parameters[0]);
- }
+ return ROUTE_BROADCAST;
}
-*/
+};
class ModuleRLine : public Module
{
+ private:
+ CommandRLine r;
+ RLineFactory f;
+ bool MatchOnNickChange;
+ std::string RegexEngine;
+
public:
- ModuleRLine(InspIRCd* Me) : Module(Me)
+ ModuleRLine() : r(this)
{
+ mymodule = this;
+ OnRehash(NULL);
+
+ ServerInstance->Modules->UseInterface("RegularExpression");
+
+ ServerInstance->AddCommand(&r);
+ ServerInstance->XLines->RegisterFactory(&f);
+
+ Implementation eventlist[] = { I_OnUserConnect, I_OnRehash, I_OnUserPostNick, I_OnLoadModule, I_OnStats, I_OnBackgroundTimer };
+ ServerInstance->Modules->Attach(eventlist, this, 6);
+
}
virtual ~ModuleRLine()
{
+ ServerInstance->Modules->DoneWithInterface("RegularExpression");
+ ServerInstance->XLines->DelAll("R");
+ ServerInstance->XLines->UnregisterFactory(&f);
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version("RLINE: Regexp user banning.", 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;
+
+ if (!Conf.ReadFlag("rline", "zlineonmatch", 0) && ZlineOnMatch)
+ background_zlines.clear();
+
+ MatchOnNickChange = Conf.ReadFlag("rline", "matchonnickchange", 0);
+ ZlineOnMatch = Conf.ReadFlag("rline", "zlineonmatch", 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('a', "R-Line now using engine '%s'", RegexEngine.c_str());
+ rxengine = *i;
+ }
+ }
+ }
+ if (!rxengine)
+ {
+ ServerInstance->SNO->WriteToSnoMask('a', "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('a', "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);
+ }
}
+
+ virtual void OnBackgroundTimer(time_t curtime)
+ {
+ if (!ZlineOnMatch) return;
+ for (std::vector<ZLine *>::iterator i = background_zlines.begin(); i != background_zlines.end(); i++)
+ {
+ ZLine *zl = *i;
+ if (ServerInstance->XLines->AddLine(zl,NULL))
+ {
+ ServerInstance->SNO->WriteToSnoMask('x',"Z-line added due to R-line match on *@%s%s%s: %s",
+ zl->ipaddr.c_str(), zl->duration ? " to expire on " : "", zl->duration ? ServerInstance->TimeString(zl->expiry).c_str() : "", zl->reason.c_str());
+ ServerInstance->XLines->ApplyLines();
+ }
+ }
+ background_zlines.clear();
+ }
+
};
MODULE_INIT(ModuleRLine)
projects / user / henk / code / inspircd.git / blobdiff