X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_check.cpp;h=f19f610e941ee14bd8e7a881d733b474d2c40825;hb=80e81e3b81b779901fd9d67f8ae030ee30c0bcec;hp=b8dc89f7cff2560c0243035fa80b7a548f218192;hpb=66098d307c036997e51eaea21724615e27fdc3e9;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_check.cpp b/src/modules/m_check.cpp index b8dc89f7c..f19f610e9 100644 --- a/src/modules/m_check.cpp +++ b/src/modules/m_check.cpp @@ -1,156 +1,297 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. - * This program is free but copyrighted software; see - * the file COPYING for details. + * Copyright (C) 2020 Matt Schatz + * Copyright (C) 2013-2016 Attila Molnar + * Copyright (C) 2013, 2017-2021 Sadie Powell + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2010 Craig Edwards + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2006-2008 Robin Burchell * - * --------------------------------------------------- + * 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 . */ -using namespace std; -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "commands.h" #include "inspircd.h" -#include "helperfuncs.h" -#include "wildcard.h" +#include "listmode.h" -/* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */ - -extern InspIRCd* ServerInstance; +enum +{ + RPL_CHECK = 802 +}; -class cmd_check : public command_t +class CheckContext { + private: + User* const user; + const std::string& target; + + std::string FormatTime(time_t ts) + { + std::string timestr(InspIRCd::TimeString(ts, "%Y-%m-%d %H:%M:%S UTC (", true)); + timestr.append(ConvToStr(ts)); + timestr.push_back(')'); + return timestr; + } + public: - cmd_check (InspIRCd* Instance) : command_t(Instance,"CHECK", 'o', 1) + CheckContext(User* u, const std::string& targetstr) + : user(u) + , target(targetstr) { - this->source = "m_check.so"; - syntax = "|||"; + Write("START", target); } - void Handle (const char** parameters, int pcnt, userrec *user) + ~CheckContext() { - userrec *targuser; - chanrec *targchan; - std::string checkstr; - std::string chliststr; + Write("END", target); + } - char timebuf[60]; - struct tm *mytime; + void Write(const std::string& type, const std::string& text) + { + user->WriteRemoteNumeric(RPL_CHECK, type, text); + } + + void Write(const std::string& type, time_t ts) + { + user->WriteRemoteNumeric(RPL_CHECK, type, FormatTime(ts)); + } + + User* GetUser() const { return user; } + void DumpListMode(ListModeBase* mode, Channel* chan) + { + const ListModeBase::ModeList* list = mode->GetList(chan); + if (!list) + return; - checkstr = "304 " + std::string(user->nick) + " :CHECK"; + for (ListModeBase::ModeList::const_iterator i = list->begin(); i != list->end(); ++i) + { + CheckContext::List listmode(*this, "listmode"); + listmode.Add(ConvToStr(mode->GetModeChar())); + listmode.Add(i->mask); + listmode.Add(i->setter); + listmode.Add(FormatTime(i->time)); + listmode.Flush(); + } + } + + void DumpExt(Extensible* ext) + { + CheckContext::List extlist(*this, "metadata"); + for(Extensible::ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); ++i) + { + ExtensionItem* item = i->first; + std::string value = item->ToHuman(ext, i->second); + if (!value.empty()) + Write("meta:" + item->name, value); + else if (!item->name.empty()) + extlist.Add(item->name); + } + + extlist.Flush(); + } + + class List : public Numeric::GenericBuilder<' ', false, Numeric::WriteRemoteNumericSink> + { + public: + List(CheckContext& context, const char* checktype) + : Numeric::GenericBuilder<' ', false, Numeric::WriteRemoteNumericSink>(Numeric::WriteRemoteNumericSink(context.GetUser()), RPL_CHECK, false, (IS_LOCAL(context.GetUser()) ? context.GetUser()->nick.length() : ServerInstance->Config->Limits.NickMax) + strlen(checktype) + 1) + { + GetNumeric().push(checktype).push(std::string()); + } + }; +}; + +/** Handle /CHECK + */ +class CommandCheck : public Command +{ + UserModeReference snomaskmode; + + std::string GetSnomasks(User* user) + { + std::string ret; + if (snomaskmode) + ret = snomaskmode->GetUserParameter(user); + + if (ret.empty()) + ret = "+"; + return ret; + } + + static std::string GetAllowedOperOnlyModes(LocalUser* user, ModeType modetype) + { + std::string ret; + const ModeParser::ModeHandlerMap& modes = ServerInstance->Modes.GetModes(modetype); + for (ModeParser::ModeHandlerMap::const_iterator i = modes.begin(); i != modes.end(); ++i) + { + const ModeHandler* const mh = i->second; + if ((mh->NeedsOper()) && (user->HasModePermission(mh))) + ret.push_back(mh->GetModeChar()); + } + return ret; + } + + static std::string GetAllowedOperOnlySnomasks(LocalUser* user) + { + std::string ret; + for (unsigned char sno = 'A'; sno <= 'z'; ++sno) + if (ServerInstance->SNO->IsSnomaskUsable(sno) && user->HasSnomaskPermission(sno)) + ret.push_back(sno); + return ret; + } + + public: + CommandCheck(Module* parent) + : Command(parent,"CHECK", 1) + , snomaskmode(parent, "snomask") + { + flags_needed = 'o'; + syntax = "||| []"; + } + + CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE + { + if (parameters.size() > 1 && !irc::equals(parameters[1], ServerInstance->Config->ServerName)) + return CMD_SUCCESS; + + User *targuser; + Channel *targchan; + std::string chliststr; targuser = ServerInstance->FindNick(parameters[0]); targchan = ServerInstance->FindChan(parameters[0]); /* * Syntax of a /check reply: - * :server.name 304 target :CHECK START - * :server.name 304 target :CHECK - * :server.name 304 target :CHECK END + * :server.name 802 target START + * :server.name 802 target : + * :server.name 802 target END */ - user->WriteServ(checkstr + " START " + parameters[0]); + // Constructor sends START, destructor sends END + CheckContext context(user, parameters[0]); if (targuser) { + LocalUser* loctarg = IS_LOCAL(targuser); /* /check on a user */ - user->WriteServ(checkstr + " nuh " + targuser->GetFullHost()); - user->WriteServ(checkstr + " realnuh " + targuser->GetFullRealHost()); - user->WriteServ(checkstr + " realname " + targuser->fullname); - user->WriteServ(checkstr + " modes +" + targuser->FormatModes()); - user->WriteServ(checkstr + " server " + targuser->server); - if (targuser->awaymsg[0] != 0) + context.Write("nuh", targuser->GetFullHost()); + context.Write("realnuh", targuser->GetFullRealHost()); + context.Write("realname", targuser->GetRealName()); + context.Write("modes", targuser->GetModeLetters()); + context.Write("snomasks", GetSnomasks(targuser)); + context.Write("server", targuser->server->GetName()); + context.Write("uid", targuser->uuid); + context.Write("signon", targuser->signon); + context.Write("nickts", targuser->age); + if (loctarg) + context.Write("lastmsg", loctarg->idle_lastmsg); + + if (targuser->IsAway()) { /* user is away */ - user->WriteServ(checkstr + " awaymsg " + targuser->awaymsg); + context.Write("awaytime", targuser->awaytime); + context.Write("awaymsg", targuser->awaymsg); } - if (targuser->oper[0] != 0) + + if (targuser->IsOper()) { + OperInfo* oper = targuser->oper; /* user is an oper of type ____ */ - user->WriteServ(checkstr + " opertype " + targuser->oper); + context.Write("opertype", oper->name); + if (loctarg) + { + context.Write("chanmodeperms", GetAllowedOperOnlyModes(loctarg, MODETYPE_CHANNEL)); + context.Write("usermodeperms", GetAllowedOperOnlyModes(loctarg, MODETYPE_USER)); + context.Write("snomaskperms", GetAllowedOperOnlySnomasks(loctarg)); + context.Write("commandperms", oper->AllowedOperCommands.ToString()); + context.Write("permissions", oper->AllowedPrivs.ToString()); + } + } + + if (loctarg) + { + context.Write("clientaddr", loctarg->client_sa.str()); + context.Write("serveraddr", loctarg->server_sa.str()); + + std::string classname = loctarg->GetClass()->name; + if (!classname.empty()) + context.Write("connectclass", classname); + + context.Write("exempt", loctarg->exempt ? "yes" : "no"); } - if (IS_LOCAL(targuser)) + else + context.Write("onip", targuser->GetIPString()); + + CheckContext::List chanlist(context, "onchans"); + for (User::ChanList::iterator i = targuser->chans.begin(); i != targuser->chans.end(); i++) { - /* port information is only held for a local user! */ - user->WriteServ(checkstr + " onport " + ConvToStr(targuser->GetPort())); + Membership* memb = *i; + Channel* c = memb->chan; + char prefix = memb->GetPrefixChar(); + if (prefix) + chliststr.push_back(prefix); + chliststr.append(c->name); + chanlist.Add(chliststr); + chliststr.clear(); } - chliststr = targuser->ChannelList(targuser); - std::stringstream dump(chliststr); + chanlist.Flush(); - ServerInstance->DumpText(user,checkstr + " onchans ", dump); + context.DumpExt(targuser); } else if (targchan) { /* /check on a channel */ - time_t creation_time = targchan->created; - time_t topic_time = targchan->topicset; - - mytime = gmtime(&creation_time); - strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime); - user->WriteServ(checkstr + " created " + timebuf); + context.Write("createdat", targchan->age); - if (targchan->topic[0] != 0) + if (!targchan->topic.empty()) { /* there is a topic, assume topic related information exists */ - user->WriteServ(checkstr + " topic " + targchan->topic); - user->WriteServ(checkstr + " topic_setby " + targchan->setby); - mytime = gmtime(&topic_time); - strftime(timebuf, 59, "%Y/%m/%d - %H:%M:%S", mytime); - user->WriteServ(checkstr + " topic_setat " + timebuf); + context.Write("topic", targchan->topic); + context.Write("topic_setby", targchan->setby); + context.Write("topic_setat", targchan->topicset); } - user->WriteServ(checkstr + " modes " + targchan->ChanModes(true)); - user->WriteServ(checkstr + " membercount " + ConvToStr(targchan->GetUserCounter())); - + context.Write("modes", targchan->ChanModes(true)); + context.Write("membercount", ConvToStr(targchan->GetUserCounter())); + /* now the ugly bit, spool current members of a channel. :| */ - CUList *ulist= targchan->GetUsers(); + const Channel::MemberMap& ulist = targchan->GetUsers(); /* note that unlike /names, we do NOT check +i vs in the channel */ - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + for (Channel::MemberMap::const_iterator i = ulist.begin(); i != ulist.end(); ++i) { - char list[MAXBUF]; - char tmpbuf[MAXBUF]; - char* ptr = list; - int flags = targchan->GetStatusFlags(i->second); /* - * find how many connections from this user's IP -- unlike Asuka, - * I define a clone as coming from the same host. --w00t + * Unlike Asuka, I define a clone as coming from the same host. --w00t */ - sprintf(ptr, "%lu ", i->second->GlobalCloneCount()); - - if (flags & UCMODE_OP) - { - strcat(ptr, "@"); - } - - if (flags & UCMODE_HOP) - { - strcat(ptr, "%"); - } - - if (flags & UCMODE_VOICE) - { - strcat(ptr, "+"); - } - - sprintf(tmpbuf, "%s (%s@%s) %s ", i->second->nick, i->second->ident, i->second->dhost, i->second->fullname); - strcat(ptr, tmpbuf); - - user->WriteServ(checkstr + " member " + ptr); + const UserManager::CloneCounts& clonecount = ServerInstance->Users->GetCloneCounts(i->first); + context.Write("member", InspIRCd::Format("%u %s%s (%s)", clonecount.global, + i->second->GetAllPrefixChars().c_str(), i->first->GetFullHost().c_str(), + i->first->GetRealName().c_str())); } + + const ModeParser::ListModeList& listmodes = ServerInstance->Modes->GetListModes(); + for (ModeParser::ListModeList::const_iterator i = listmodes.begin(); i != listmodes.end(); ++i) + context.DumpListMode(*i, targchan); + + context.DumpExt(targchan); } else { @@ -158,79 +299,49 @@ class cmd_check : public command_t long x = 0; /* hostname or other */ - for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++) + const user_hash& users = ServerInstance->Users->GetUsers(); + for (user_hash::const_iterator a = users.begin(); a != users.end(); ++a) { - if (match(a->second->host, parameters[0]) || match(a->second->dhost, parameters[0])) + if (InspIRCd::Match(a->second->GetRealHost(), parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->GetDisplayedHost(), parameters[0], ascii_case_insensitive_map)) { /* host or vhost matches mask */ - user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost()); + context.Write("match", ConvToStr(++x) + " " + a->second->GetFullRealHost() + " " + a->second->GetIPString() + " " + a->second->GetRealName()); } /* IP address */ - else if (match(a->second->GetIPString(), parameters[0])) + else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0])) { /* same IP. */ - user->WriteServ(checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost()); + context.Write("match", ConvToStr(++x) + " " + a->second->GetFullRealHost() + " " + a->second->GetIPString() + " " + a->second->GetRealName()); } } - user->WriteServ(checkstr + " matches " + ConvToStr(x)); + context.Write("matches", ConvToStr(x)); } - user->WriteServ(checkstr + " END " + std::string(parameters[0])); - } -}; - - -class ModuleCheck : public Module -{ - private: - cmd_check *mycommand; - public: - ModuleCheck(InspIRCd* Me) : Module::Module(Me) - { - - mycommand = new cmd_check(ServerInstance); - ServerInstance->AddCommand(mycommand); - } - - virtual ~ModuleCheck() - { - } - - virtual Version GetVersion() - { - return Version(1, 0, 0, 0, VF_VENDOR); + // END is sent by the CheckContext destructor + return CMD_SUCCESS; } - void Implements(char* List) + RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE { - /* we don't hook anything, nothing required */ + if ((parameters.size() > 1) && (parameters[1].find('.') != std::string::npos)) + return ROUTE_OPT_UCAST(parameters[1]); + return ROUTE_LOCALONLY; } - }; - - -class ModuleCheckFactory : public ModuleFactory +class ModuleCheck : public Module { + CommandCheck mycommand; public: - ModuleCheckFactory() - { - } - - ~ModuleCheckFactory() + ModuleCheck() : mycommand(this) { } - - virtual Module * CreateModule(InspIRCd* Me) + + Version GetVersion() CXX11_OVERRIDE { - return new ModuleCheck(Me); + return Version("Adds the /CHECK command which allows server operators to look up details about a channel, user, IP address, or hostname.", VF_VENDOR|VF_OPTCOMMON); } - }; -extern "C" void * init_module( void ) -{ - return new ModuleCheckFactory; -} - +MODULE_INIT(ModuleCheck)