1 /* 2 * InspIRCd -- Internet Relay Chat Daemon 3 * 4 * Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com> 5 * Copyright (C) 2012-2013, 2017-2018, 2020-2021 Sadie Powell <sadie@witchery.services> 6 * Copyright (C) 2012 Robby <robby@chatbelgie.be> 7 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org> 8 * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net> 9 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org> 10 * Copyright (C) 2006 Oliver Lupton <om@inspircd.org> 11 * Copyright (C) 2005, 2007, 2010 Craig Edwards <brain@inspircd.org> 12 * 13 * This file is part of InspIRCd. InspIRCd is free software: you can 14 * redistribute it and/or modify it under the terms of the GNU General Public 15 * License as published by the Free Software Foundation, version 2. 16 * 17 * This program is distributed in the hope that it will be useful, but WITHOUT 18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 19 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 20 * details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program. If not, see <http://www.gnu.org/licenses/>. 24 */ 25 26 27 #include "inspircd.h" 28 #include "modules/whois.h" 29 30 class CommandSwhois : public Command 31 { 32 public: 33 LocalIntExt operblock; 34 StringExtItem swhois; CommandSwhois(Module * Creator)35 CommandSwhois(Module* Creator) 36 : Command(Creator, "SWHOIS", 2, 2) 37 , operblock("swhois_operblock", ExtensionItem::EXT_USER, Creator) 38 , swhois("swhois", ExtensionItem::EXT_USER, Creator) 39 { 40 flags_needed = 'o'; 41 syntax = "<nick> :<swhois>"; 42 TRANSLATE2(TR_NICK, TR_TEXT); 43 } 44 Handle(User * user,const Params & parameters)45 CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE 46 { 47 User* dest = ServerInstance->FindNick(parameters[0]); 48 49 if (!dest) // allow setting swhois using SWHOIS before reg 50 { 51 user->WriteNumeric(Numerics::NoSuchNick(parameters[0])); 52 return CMD_FAILURE; 53 } 54 55 std::string* text = swhois.get(dest); 56 if (text) 57 { 58 // We already had it set... 59 if (!user->server->IsULine()) 60 // Ulines set SWHOISes silently 61 ServerInstance->SNO->WriteGlobalSno('a', "%s used SWHOIS to set %s's extra whois from '%s' to '%s'", user->nick.c_str(), dest->nick.c_str(), text->c_str(), parameters[1].c_str()); 62 } 63 else if (!user->server->IsULine()) 64 { 65 // Ulines set SWHOISes silently 66 ServerInstance->SNO->WriteGlobalSno('a', "%s used SWHOIS to set %s's extra whois to '%s'", user->nick.c_str(), dest->nick.c_str(), parameters[1].c_str()); 67 } 68 69 operblock.set(user, 0); 70 if (parameters[1].empty()) 71 swhois.unset(dest); 72 else 73 swhois.set(dest, parameters[1]); 74 75 /* Bug #376 - feature request - 76 * To cut down on the amount of commands services etc have to recognise, this only sends METADATA across the network now 77 * not an actual SWHOIS command. Any SWHOIS command sent from services will be automatically translated to METADATA by this. 78 * Sorry w00t i know this was your fix, but i got bored and wanted to clear down the tracker :) 79 * -- Brain 80 */ 81 ServerInstance->PI->SendMetaData(dest, "swhois", parameters[1]); 82 83 return CMD_SUCCESS; 84 } 85 86 }; 87 88 class ModuleSWhois CXX11_FINAL 89 : public Module 90 , public Whois::LineEventListener 91 { 92 private: 93 CommandSwhois cmd; 94 UserModeReference hideopermode; 95 96 public: ModuleSWhois()97 ModuleSWhois() 98 : Whois::LineEventListener(this) 99 , cmd(this) 100 , hideopermode(this, "hideoper") 101 { 102 } 103 104 // :kenny.chatspike.net 320 Brain Azhrarn :is getting paid to play games. OnWhoisLine(Whois::Context & whois,Numeric::Numeric & numeric)105 ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) CXX11_OVERRIDE 106 { 107 // We use this and not OnWhois because this triggers for remote users too. 108 if (numeric.GetNumeric() != RPL_WHOISSERVER) 109 return MOD_RES_PASSTHRU; 110 111 // Don't send soper swhois if hideoper is set. 112 if (cmd.operblock.get(whois.GetTarget()) && whois.GetTarget()->IsModeSet(hideopermode)) 113 return MOD_RES_PASSTHRU; 114 115 // Insert our numeric before RPL_WHOISSERVER. 116 const std::string* swhois = cmd.swhois.get(whois.GetTarget()); 117 if (swhois && !swhois->empty()) 118 whois.SendLine(RPL_WHOISSPECIAL, *swhois); 119 120 return MOD_RES_PASSTHRU; 121 } 122 OnPostOper(User * user,const std::string & opertype,const std::string & opername)123 void OnPostOper(User* user, const std::string &opertype, const std::string &opername) CXX11_OVERRIDE 124 { 125 if (!IS_LOCAL(user)) 126 return; 127 128 std::string swhois = user->oper->getConfig("swhois"); 129 130 if (!swhois.length()) 131 return; 132 133 cmd.operblock.set(user, 1); 134 cmd.swhois.set(user, swhois); 135 ServerInstance->PI->SendMetaData(user, "swhois", swhois); 136 } 137 OnPostDeoper(User * user)138 void OnPostDeoper(User* user) CXX11_OVERRIDE 139 { 140 std::string* swhois = cmd.swhois.get(user); 141 if (!swhois) 142 return; 143 144 if (!cmd.operblock.get(user)) 145 return; 146 147 cmd.operblock.set(user, 0); 148 cmd.swhois.unset(user); 149 ServerInstance->PI->SendMetaData(user, "swhois", ""); 150 } 151 OnDecodeMetaData(Extensible * target,const std::string & extname,const std::string &)152 void OnDecodeMetaData(Extensible* target, const std::string& extname, const std::string&) CXX11_OVERRIDE 153 { 154 User* dest = static_cast<User*>(target); 155 if (dest && (extname == "swhois")) 156 cmd.operblock.set(dest, 0); 157 } 158 GetVersion()159 Version GetVersion() CXX11_OVERRIDE 160 { 161 return Version("Adds the /SWHOIS command which adds custom lines to a user's WHOIS response.", VF_OPTCOMMON | VF_VENDOR); 162 } 163 }; 164 165 MODULE_INIT(ModuleSWhois) 166