X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_rline.cpp;h=f4c675919313fba688290ac00d8cb9eb8a98c713;hb=c7b938502295ddc5b2c89e0854d8c5c19ede32dc;hp=b3ccfe8efbfaffc4883a01736b65c047f75ac8ee;hpb=dcfd227ffbfb11833663c1f96490d41537b4f496;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_rline.cpp b/src/modules/m_rline.cpp index b3ccfe8ef..f4c675919 100644 --- a/src/modules/m_rline.cpp +++ b/src/modules/m_rline.cpp @@ -1,84 +1,94 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2008 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * Copyright (C) 2018 linuxdaemon + * Copyright (C) 2017, 2019 Matt Schatz + * Copyright (C) 2013, 2017-2018, 2020 Sadie Powell + * Copyright (C) 2012-2013, 2016 Attila Molnar + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2008-2009 Robin Burchell + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2008 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. * - * --------------------------------------------------- + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . */ + #include "inspircd.h" -#include "m_regex.h" +#include "modules/regex.h" +#include "modules/stats.h" #include "xline.h" -static Module* rxengine = NULL; -static Module* mymodule = NULL; /* Needed to let RLine send request! */ - -/* $ModDesc: RLINE: Regexp user banning. */ +static bool ZlineOnMatch = false; +static bool added_zline = false; class 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") + RLine(time_t s_time, unsigned long d, const std::string& src, const std::string& re, const std::string& regexs, dynamic_reference& rxfactory) + : XLine(s_time, d, src, re, "R") + , matchtext(regexs) { - 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!"); - } - /* 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(); + regex = rxfactory->Create(regexs); } - /** Destructor - */ ~RLine() { delete regex; } - bool Matches(User *u) + bool Matches(User* u) CXX11_OVERRIDE { - std::string compare = u->nick + "!" + u->ident + "@" + u->host + " " + u->fullname; - return regex->Matches(compare); - } + LocalUser* lu = IS_LOCAL(u); + if (lu && lu->exempt) + return false; - bool Matches(const std::string &compare) - { - return regex->Matches(compare); + const std::string host = u->nick + "!" + u->ident + "@" + u->GetRealHost() + " " + u->GetRealName(); + const std::string ip = u->nick + "!" + u->ident + "@" + u->GetIPString() + " " + u->GetRealName(); + return (regex->Matches(host) || regex->Matches(ip)); } - void Apply(User* u) + bool Matches(const std::string& compare) CXX11_OVERRIDE { - DefaultApply(u, "R", true); + return regex->Matches(compare); } - void DisplayExpiry() + void Apply(User* u) CXX11_OVERRIDE { - ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed R-Line %s (set by %s %ld seconds ago)", this->matchtext.c_str(), this->source, this->duration); + if (ZlineOnMatch) + { + ZLine* zl = new ZLine(ServerInstance->Time(), duration ? expiry - ServerInstance->Time() : 0, ServerInstance->Config->ServerName.c_str(), reason.c_str(), u->GetIPString()); + if (ServerInstance->XLines->AddLine(zl, NULL)) + { + std::string expirystr = zl->duration ? InspIRCd::Format(" to expire in %s (on %s)", InspIRCd::DurationString(zl->duration).c_str(), InspIRCd::TimeString(zl->expiry).c_str()) : ""; + ServerInstance->SNO->WriteToSnoMask('x', "Z-line added due to R-line match on %s%s: %s", + zl->ipaddr.c_str(), expirystr.c_str(), zl->reason.c_str()); + added_zline = true; + } + else + delete zl; + } + DefaultApply(u, "R", false); } - const char* Displayable() + const std::string& Displayable() CXX11_OVERRIDE { - return matchtext.c_str(); + return matchtext; } std::string matchtext; @@ -92,19 +102,22 @@ class RLine : public XLine class RLineFactory : public XLineFactory { public: - RLineFactory(InspIRCd* Instance) : XLineFactory(Instance, "R") + dynamic_reference& rxfactory; + RLineFactory(dynamic_reference& rx) : XLineFactory("R"), rxfactory(rx) { } /** 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, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE { - return new RLine(ServerInstance, set_time, duration, source, reason, xline_specific_mask); - } + if (!rxfactory) + { + ServerInstance->SNO->WriteToSnoMask('a', "Cannot create regexes until engine is set to a loaded provider!"); + throw ModuleException("Regex engine not set or loaded!"); + } - ~RLineFactory() - { + return new RLine(set_time, duration, source, reason, xline_specific_mask, rxfactory); } }; @@ -114,31 +127,36 @@ class RLineFactory : public XLineFactory class CommandRLine : public Command { std::string rxengine; + RLineFactory& factory; public: - CommandRLine (InspIRCd* Instance) : Command(Instance,"RLINE", "o", 1, 3) + CommandRLine(Module* Creator, RLineFactory& rlf) : Command(Creator,"RLINE", 1, 3), factory(rlf) { - this->source = "m_rline.so"; - this->syntax = " [] :"; + flags_needed = 'o'; this->syntax = " [ :]"; } - CmdResult Handle (const std::vector& parameters, User *user) + CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE { if (parameters.size() >= 3) { // Adding - XXX todo make this respect tag perhaps.. - long duration = ServerInstance->Duration(parameters[1]); - RLine *r = NULL; + unsigned long duration; + if (!InspIRCd::Duration(parameters[1], duration)) + { + user->WriteNotice("*** Invalid duration for R-line."); + return CMD_FAILURE; + } + XLine *r = NULL; try { - r = new RLine(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str()); + r = factory.Generate(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str()); } catch (ModuleException &e) { - ServerInstance->SNO->WriteToSnoMask('x',"Could not add RLINE: %s", e.GetReason()); + ServerInstance->SNO->WriteToSnoMask('a', "Could not add R-line: " + e.GetReason()); } if (r) @@ -147,13 +165,13 @@ class CommandRLine : public Command { if (!duration) { - ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent R-Line for %s.", user->nick.c_str(), parameters[0].c_str()); + 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.c_str(), parameters[0].c_str(), - ServerInstance->TimeString(c_requires_crap).c_str()); + ServerInstance->SNO->WriteToSnoMask('x', "%s added timed R-line for %s, expires in %s (on %s): %s", + user->nick.c_str(), parameters[0].c_str(), InspIRCd::DurationString(duration).c_str(), + InspIRCd::TimeString(ServerInstance->Time() + duration).c_str(), parameters[2].c_str()); } ServerInstance->XLines->ApplyLines(); @@ -161,67 +179,72 @@ class CommandRLine : public Command else { delete r; - user->WriteServ("NOTICE %s :*** R-Line for %s already exists", user->nick.c_str(), parameters[0].c_str()); + user->WriteNotice("*** R-line for " + parameters[0] + " already exists."); } } } else { - if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "R", user)) + std::string reason; + + if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "R", reason, user)) { - ServerInstance->SNO->WriteToSnoMask('x',"%s Removed R-Line on %s.",user->nick.c_str(),parameters[0].c_str()); + ServerInstance->SNO->WriteToSnoMask('x', "%s removed R-line on %s: %s", user->nick.c_str(), parameters[0].c_str(), reason.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()); + user->WriteNotice("*** R-line " + parameters[0] + " not found on the list."); } } return CMD_SUCCESS; } + + RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE + { + if (IS_LOCAL(user)) + return ROUTE_LOCALONLY; // spanningtree will send ADDLINE + + return ROUTE_BROADCAST; + } }; -class ModuleRLine : public Module +class ModuleRLine : public Module, public Stats::EventListener { - private: - CommandRLine *r; - RLineFactory *f; + dynamic_reference rxfactory; + RLineFactory f; + CommandRLine r; bool MatchOnNickChange; - std::string RegexEngine; + bool initing; + RegexFactory* factory; public: - ModuleRLine(InspIRCd* Me) : Module(Me) + ModuleRLine() + : Stats::EventListener(this) + , rxfactory(this, "regex") + , f(rxfactory) + , r(this, f) + , initing(true) { - 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, I_OnStats }; - ServerInstance->Modules->Attach(eventlist, this, 5); + } + void init() CXX11_OVERRIDE + { + ServerInstance->XLines->RegisterFactory(&f); } - virtual ~ModuleRLine() + ~ModuleRLine() { - ServerInstance->Modules->DoneWithInterface("RegularExpression"); ServerInstance->XLines->DelAll("R"); - ServerInstance->XLines->UnregisterFactory(f); + ServerInstance->XLines->UnregisterFactory(&f); } - virtual Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { - return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION); + return Version("Adds the /RLINE command which allows server operators to prevent users matching a nickname!username@hostname+realname regular expression from connecting to the server.", VF_COMMON | VF_VENDOR, rxfactory ? rxfactory->name : ""); } - virtual void OnUserConnect(User* user) + ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE { // Apply lines on user connect XLine *rl = ServerInstance->XLines->MatchesLine("R", user); @@ -230,67 +253,54 @@ class ModuleRLine : public Module { // Bang. :P rl->Apply(user); + return MOD_RES_DENY; } + return MOD_RES_PASSTHRU; } - virtual void OnRehash(User *user, const std::string ¶meter) + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE { - ConfigReader Conf(ServerInstance); + ConfigTag* tag = ServerInstance->Config->ConfValue("rline"); - MatchOnNickChange = Conf.ReadFlag("rline", "matchonnickchange", 0); - std::string newrxengine = Conf.ReadValue("rline", "engine", 0); + MatchOnNickChange = tag->getBool("matchonnickchange"); + ZlineOnMatch = tag->getBool("zlineonmatch"); + std::string newrxengine = tag->getString("engine"); - if (!RegexEngine.empty()) - { - if (RegexEngine == newrxengine) - return; + factory = rxfactory ? (rxfactory.operator->()) : NULL; - 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) + if (newrxengine.empty()) + rxfactory.SetProvider("regex"); + else + rxfactory.SetProvider("regex/" + newrxengine); + + if (!rxfactory) { - 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 (newrxengine.empty()) + ServerInstance->SNO->WriteToSnoMask('a', "WARNING: No regex engine loaded - R-line functionality disabled until this is corrected."); + else + ServerInstance->SNO->WriteToSnoMask('a', "WARNING: Regex engine '%s' is not loaded - R-line functionality disabled until this is corrected.", newrxengine.c_str()); + + ServerInstance->XLines->DelAll(f.GetType()); } - if (!rxengine) + else if ((!initing) && (rxfactory.operator->() != factory)) { - ServerInstance->SNO->WriteToSnoMask('x', "WARNING: Regex engine '%s' is not loaded - R-Line functionality disabled until this is corrected.", RegexEngine.c_str()); + ServerInstance->SNO->WriteToSnoMask('a', "Regex engine has changed, removing all R-lines."); + ServerInstance->XLines->DelAll(f.GetType()); } - } - virtual int OnStats(char symbol, User* user, string_list &results) - { - if (symbol != 'R') - return 0; - - ServerInstance->XLines->InvokeStats("R", 223, user, results); - return 1; + initing = false; } - virtual void OnLoadModule(Module* mod, const std::string& name) + ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE { - 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; - } - } + if (stats.GetSymbol() != 'R') + return MOD_RES_PASSTHRU; + + ServerInstance->XLines->InvokeStats("R", stats); + return MOD_RES_DENY; } - virtual void OnUserPostNick(User *user, const std::string &oldnick) + void OnUserPostNick(User *user, const std::string &oldnick) CXX11_OVERRIDE { if (!IS_LOCAL(user)) return; @@ -307,7 +317,34 @@ class ModuleRLine : public Module } } + void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE + { + if (added_zline) + { + added_zline = false; + ServerInstance->XLines->ApplyLines(); + } + } + + void OnUnloadModule(Module* mod) CXX11_OVERRIDE + { + // If the regex engine became unavailable or has changed, remove all R-lines. + if (!rxfactory) + { + ServerInstance->XLines->DelAll(f.GetType()); + } + else if (rxfactory.operator->() != factory) + { + factory = rxfactory.operator->(); + ServerInstance->XLines->DelAll(f.GetType()); + } + } + + void Prioritize() CXX11_OVERRIDE + { + Module* mod = ServerInstance->Modules->Find("m_cgiirc.so"); + ServerInstance->Modules->SetPriority(this, I_OnUserRegister, PRIORITY_AFTER, mod); + } }; MODULE_INIT(ModuleRLine) -