X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_rline.cpp;h=e6414c5dd85f53b847e4387e6f1abdf8bd9af6ca;hb=d38595e7e14e7509e744d33df657d50d00cc201f;hp=06c852938b9f564101efdf5285a15af6882cc9b7;hpb=90875afded8d80cc6c61d9f7804c1ba7a74e70a7;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_rline.cpp b/src/modules/m_rline.cpp index 06c852938..e6414c5dd 100644 --- a/src/modules/m_rline.cpp +++ b/src/modules/m_rline.cpp @@ -1,10 +1,16 @@ /* * InspIRCd -- Internet Relay Chat Daemon * - * Copyright (C) 2009 Daniel De Graaf - * Copyright (C) 2008 Craig Edwards + * 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, 2018-2019 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 Robin Burchell + * Copyright (C) 2008 Craig Edwards * * 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 @@ -20,20 +26,19 @@ */ -/* $ModDesc: RLINE: Regexp user banning. */ - #include "inspircd.h" -#include "m_regex.h" +#include "modules/regex.h" +#include "modules/stats.h" #include "xline.h" static bool ZlineOnMatch = false; -static std::vector background_zlines; +static bool added_zline = false; class RLine : public XLine { public: - /** Create a R-Line. + /** Create a R-line. * @param s_time The set time * @param d The duration of the xline * @param src The sender of the xline @@ -41,11 +46,10 @@ class RLine : public XLine * @param regex Pattern to match with * @ */ - RLine(time_t s_time, long d, std::string src, std::string re, std::string regexs, dynamic_reference& rxfactory) + 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; - /* 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 */ @@ -59,37 +63,43 @@ class RLine : public XLine delete regex; } - bool Matches(User *u) + bool Matches(User* u) CXX11_OVERRIDE { - if (u->exempt) + LocalUser* lu = IS_LOCAL(u); + if (lu && lu->exempt) return false; - std::string compare = u->nick + "!" + u->ident + "@" + u->host + " " + u->fullname; - 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)); } - bool Matches(const std::string &compare) + bool Matches(const std::string& compare) CXX11_OVERRIDE { return regex->Matches(compare); } - void Apply(User* u) + void Apply(User* u) CXX11_OVERRIDE { - if (ZlineOnMatch) { - background_zlines.push_back(new ZLine(ServerInstance->Time(), duration ? expiry - ServerInstance->Time() : 0, ServerInstance->Config->ServerName.c_str(), reason.c_str(), u->GetIPString())); + 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); } - void DisplayExpiry() - { - 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() + const std::string& Displayable() CXX11_OVERRIDE { - return matchtext.c_str(); + return matchtext; } std::string matchtext; @@ -107,10 +117,10 @@ class RLineFactory : public XLineFactory RLineFactory(dynamic_reference& rx) : XLineFactory("R"), rxfactory(rx) { } - + /** Generate a RLine */ - XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string 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 { if (!rxfactory) { @@ -120,10 +130,6 @@ class RLineFactory : public XLineFactory return new RLine(set_time, duration, source, reason, xline_specific_mask, rxfactory); } - - ~RLineFactory() - { - } }; /** Handle /RLINE @@ -137,17 +143,22 @@ class CommandRLine : public Command public: CommandRLine(Module* Creator, RLineFactory& rlf) : Command(Creator,"RLINE", 1, 3), factory(rlf) { - flags_needed = 'o'; 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]); + unsigned long duration; + if (!InspIRCd::Duration(parameters[1], duration)) + { + user->WriteNotice("*** Invalid duration for R-line."); + return CMD_FAILURE; + } XLine *r = NULL; try @@ -156,7 +167,7 @@ class CommandRLine : public Command } catch (ModuleException &e) { - ServerInstance->SNO->WriteToSnoMask('a',"Could not add RLINE: %s", e.GetReason()); + ServerInstance->SNO->WriteToSnoMask('a', "Could not add R-line: " + e.GetReason()); } if (r) @@ -165,12 +176,13 @@ class CommandRLine : public Command { 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()); + 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->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(); @@ -178,67 +190,72 @@ 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 std::vector& parameters) + 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: dynamic_reference rxfactory; RLineFactory f; CommandRLine r; bool MatchOnNickChange; + bool initing; + RegexFactory* factory; public: - ModuleRLine() : rxfactory(this, "regex"), f(rxfactory), r(this, f) + ModuleRLine() + : Stats::EventListener(this) + , rxfactory(this, "regex") + , f(rxfactory) + , r(this, f) + , initing(true) { } - void init() + void init() CXX11_OVERRIDE { - OnRehash(NULL); - - ServerInstance->AddCommand(&r); ServerInstance->XLines->RegisterFactory(&f); - - Implementation eventlist[] = { I_OnUserConnect, I_OnRehash, I_OnUserPostNick, I_OnStats, I_OnBackgroundTimer }; - ServerInstance->Modules->Attach(eventlist, this, 5); } - virtual ~ModuleRLine() + ~ModuleRLine() { ServerInstance->XLines->DelAll("R"); ServerInstance->XLines->UnregisterFactory(&f); } - virtual Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { - return Version("RLINE: Regexp user banning.", VF_COMMON | VF_VENDOR, rxfactory ? rxfactory->name : ""); + 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(LocalUser* user) + ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE { // Apply lines on user connect XLine *rl = ServerInstance->XLines->MatchesLine("R", user); @@ -247,40 +264,54 @@ class ModuleRLine : public Module { // Bang. :P rl->Apply(user); + return MOD_RES_DENY; } + return MOD_RES_PASSTHRU; } - virtual void OnRehash(User *user) + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE { - ConfigReader Conf; + ConfigTag* tag = ServerInstance->Config->ConfValue("rline"); - if (!Conf.ReadFlag("rline", "zlineonmatch", 0) && ZlineOnMatch) - background_zlines.clear(); + MatchOnNickChange = tag->getBool("matchonnickchange"); + ZlineOnMatch = tag->getBool("zlineonmatch"); + std::string newrxengine = tag->getString("engine"); - MatchOnNickChange = Conf.ReadFlag("rline", "matchonnickchange", 0); - ZlineOnMatch = Conf.ReadFlag("rline", "zlineonmatch", 0); - std::string newrxengine = Conf.ReadValue("rline", "engine", 0); + factory = rxfactory ? (rxfactory.operator->()) : NULL; if (newrxengine.empty()) rxfactory.SetProvider("regex"); else rxfactory.SetProvider("regex/" + newrxengine); + if (!rxfactory) { - ServerInstance->SNO->WriteToSnoMask('a', "WARNING: Regex engine '%s' is not loaded - R-Line functionality disabled until this is corrected.", newrxengine.c_str()); + 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()); + } + else if ((!initing) && (rxfactory.operator->() != factory)) + { + ServerInstance->SNO->WriteToSnoMask('a', "Regex engine has changed, removing all R-lines."); + ServerInstance->XLines->DelAll(f.GetType()); } + + initing = false; } - virtual ModResult OnStats(char symbol, User* user, string_list &results) + ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE { - if (symbol != 'R') + if (stats.GetSymbol() != 'R') return MOD_RES_PASSTHRU; - ServerInstance->XLines->InvokeStats("R", 223, user, results); + 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; @@ -297,22 +328,34 @@ class ModuleRLine : public Module } } - virtual void OnBackgroundTimer(time_t curtime) + void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE { - if (!ZlineOnMatch) return; - for (std::vector::iterator i = background_zlines.begin(); i != background_zlines.end(); i++) + if (added_zline) { - 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(); - } + added_zline = false; + ServerInstance->XLines->ApplyLines(); } - background_zlines.clear(); } + 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)