/* * InspIRCd -- Internet Relay Chat Daemon * * Copyright (C) 2012 Shawn Smith * Copyright (C) 2009 Daniel De Graaf * Copyright (C) 2006-2008 Robin Burchell * Copyright (C) 2008 Pippijn van Steenhoven * Copyright (C) 2006, 2008 Craig Edwards * Copyright (C) 2007 Dennis Friis * * 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 "modules/account.h" #include "modules/callerid.h" #include "modules/exemption.h" #include "modules/whois.h" enum { // From UnrealIRCd. RPL_WHOISREGNICK = 307, // From ircu. RPL_WHOISACCOUNT = 330, // From ircd-hybrid? ERR_NEEDREGGEDNICK = 477, // From IRCv3 sasl-3.1. RPL_LOGGEDIN = 900, RPL_LOGGEDOUT = 901 }; /** Channel mode +r - mark a channel as identified */ class Channel_r : public ModeHandler { public: Channel_r(Module* Creator) : ModeHandler(Creator, "c_registered", 'r', PARAM_NONE, MODETYPE_CHANNEL) { } ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE { // only a u-lined server may add or remove the +r mode. if (!IS_LOCAL(source)) { // Only change the mode if it's not redundant if ((adding != channel->IsModeSet(this))) { channel->SetMode(this, adding); return MODEACTION_ALLOW; } } else { source->WriteNumeric(ERR_NOPRIVILEGES, "Only a server may modify the +r channel mode"); } return MODEACTION_DENY; } }; /** User mode +r - mark a user as identified */ class User_r : public ModeHandler { public: User_r(Module* Creator) : ModeHandler(Creator, "u_registered", 'r', PARAM_NONE, MODETYPE_USER) { } ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE { if (!IS_LOCAL(source)) { if ((adding != dest->IsModeSet(this))) { dest->SetMode(this, adding); return MODEACTION_ALLOW; } } else { source->WriteNumeric(ERR_NOPRIVILEGES, "Only a server may modify the +r user mode"); } return MODEACTION_DENY; } }; class AccountExtItemImpl : public AccountExtItem { Events::ModuleEventProvider eventprov; public: AccountExtItemImpl(Module* mod) : AccountExtItem("accountname", ExtensionItem::EXT_USER, mod) , eventprov(mod, "event/account") { } void unserialize(SerializeFormat format, Extensible* container, const std::string& value) CXX11_OVERRIDE { User* user = static_cast(container); StringExtItem::unserialize(format, container, value); // If we are being reloaded then don't send the numeric or run the event if (format == FORMAT_INTERNAL) return; if (IS_LOCAL(user)) { if (value.empty()) { // Logged out. user->WriteNumeric(RPL_LOGGEDOUT, user->GetFullHost(), "You are now logged out"); } else { // Logged in. user->WriteNumeric(RPL_LOGGEDIN, user->GetFullHost(), value, InspIRCd::Format("You are now logged in as %s", value.c_str())); } } FOREACH_MOD_CUSTOM(eventprov, AccountEventListener, OnAccountChange, (user, value)); } }; class ModuleServicesAccount : public Module, public Whois::EventListener { private: CallerID::API calleridapi; CheckExemption::EventProvider exemptionprov; SimpleChannelModeHandler m1; SimpleChannelModeHandler m2; SimpleUserModeHandler m3; Channel_r m4; User_r m5; AccountExtItemImpl accountname; bool checking_ban; public: ModuleServicesAccount() : Whois::EventListener(this) , calleridapi(this) , exemptionprov(this) , m1(this, "reginvite", 'R') , m2(this, "regmoderated", 'M') , m3(this, "regdeaf", 'R') , m4(this) , m5(this) , accountname(this) , checking_ban(false) { } void On005Numeric(std::map& tokens) CXX11_OVERRIDE { tokens["EXTBAN"].push_back('R'); tokens["EXTBAN"].push_back('U'); } /* <- :twisted.oscnet.org 330 w00t2 w00t2 w00t :is logged in as */ void OnWhois(Whois::Context& whois) CXX11_OVERRIDE { std::string* account = accountname.get(whois.GetTarget()); if (account) { whois.SendLine(RPL_WHOISACCOUNT, *account, "is logged in as"); } if (whois.GetTarget()->IsModeSet(m5)) { /* user is registered */ whois.SendLine(RPL_WHOISREGNICK, "is a registered nick"); } } void OnUserPostNick(User* user, const std::string &oldnick) CXX11_OVERRIDE { /* On nickchange, if they have +r, remove it */ if ((user->IsModeSet(m5)) && (ServerInstance->FindNickOnly(oldnick) != user)) m5.RemoveMode(user); } ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE { if (!IS_LOCAL(user)) return MOD_RES_PASSTHRU; std::string *account = accountname.get(user); bool is_registered = account && !account->empty(); if (target.type == MessageTarget::TYPE_CHANNEL) { Channel* targchan = target.Get(); if (!targchan->IsModeSet(m2) || is_registered) return MOD_RES_PASSTHRU; if (CheckExemption::Call(exemptionprov, user, targchan, "regmoderated") == MOD_RES_ALLOW) return MOD_RES_PASSTHRU; // User is messaging a +M channel and is not registered or exempt. user->WriteNumeric(ERR_NEEDREGGEDNICK, targchan->name, "You need to be identified to a registered account to message this channel"); return MOD_RES_DENY; } else if (target.type == MessageTarget::TYPE_USER) { User* targuser = target.Get(); if (!targuser->IsModeSet(m3) || is_registered) return MOD_RES_PASSTHRU; if (calleridapi && calleridapi->IsOnAcceptList(user, targuser)) return MOD_RES_PASSTHRU; // User is messaging a +R user and is not registered or on an accept list. user->WriteNumeric(ERR_NEEDREGGEDNICK, targuser->nick, "You need to be identified to a registered account to message this user"); return MOD_RES_DENY; } return MOD_RES_PASSTHRU; } ModResult OnCheckBan(User* user, Channel* chan, const std::string& mask) CXX11_OVERRIDE { if (checking_ban) return MOD_RES_PASSTHRU; if ((mask.length() > 2) && (mask[1] == ':')) { if (mask[0] == 'R') { std::string *account = accountname.get(user); if (account && InspIRCd::Match(*account, mask.substr(2))) return MOD_RES_DENY; } else if (mask[0] == 'U') { std::string *account = accountname.get(user); /* If the user is registered we don't care. */ if (account) return MOD_RES_PASSTHRU; /* If we made it this far we know the user isn't registered so just deny if it matches */ checking_ban = true; bool result = chan->CheckBan(user, mask.substr(2)); checking_ban = false; if (result) return MOD_RES_DENY; } } /* If we made it this far then the ban wasn't an ExtBan or the user we were checking for didn't match either ExtBan */ return MOD_RES_PASSTHRU; } ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE { std::string *account = accountname.get(user); bool is_registered = account && !account->empty(); if (chan) { if (chan->IsModeSet(m1)) { if (!is_registered) { // joining a +R channel and not identified user->WriteNumeric(ERR_NEEDREGGEDNICK, chan->name, "You need to be identified to a registered account to join this channel"); return MOD_RES_DENY; } } } return MOD_RES_PASSTHRU; } ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass) CXX11_OVERRIDE { if (myclass->config->getBool("requireaccount") && !accountname.get(user)) return MOD_RES_DENY; return MOD_RES_PASSTHRU; } Version GetVersion() CXX11_OVERRIDE { return Version("Provides support for ircu-style services accounts, including chmode +R, etc.",VF_OPTCOMMON|VF_VENDOR); } }; MODULE_INIT(ModuleServicesAccount)