/* * 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/exemption.h" enum { // 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 ¶meter, bool adding) { // 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(500, "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 ¶meter, bool adding) { if (!IS_LOCAL(source)) { if ((adding != dest->IsModeSet(this))) { dest->SetMode(this, adding); return MODEACTION_ALLOW; } } else { source->WriteNumeric(500, "Only a server may modify the +r user mode"); } return MODEACTION_DENY; } }; /** Channel mode +R - unidentified users cannot join */ class AChannel_R : public SimpleChannelModeHandler { public: AChannel_R(Module* Creator) : SimpleChannelModeHandler(Creator, "reginvite", 'R') { } }; /** User mode +R - unidentified users cannot message */ class AUser_R : public SimpleUserModeHandler { public: AUser_R(Module* Creator) : SimpleUserModeHandler(Creator, "regdeaf", 'R') { } }; /** Channel mode +M - unidentified users cannot message channel */ class AChannel_M : public SimpleChannelModeHandler { public: AChannel_M(Module* Creator) : SimpleChannelModeHandler(Creator, "regmoderated", 'M') { } }; 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) { 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 { CheckExemption::EventProvider exemptionprov; AChannel_R m1; AChannel_M m2; AUser_R m3; Channel_r m4; User_r m5; AccountExtItemImpl accountname; bool checking_ban; public: ModuleServicesAccount() : Whois::EventListener(this) , exemptionprov(this) , m1(this), m2(this), m3(this), 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(330, *account, "is logged in as"); } if (whois.GetTarget()->IsModeSet(m5)) { /* user is registered */ whois.SendLine(307, "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, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) 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 == TYPE_CHANNEL) { Channel* c = (Channel*)dest; ModResult res = CheckExemption::Call(exemptionprov, user, c, "regmoderated"); if (c->IsModeSet(m2) && !is_registered && res != MOD_RES_ALLOW) { // user messaging a +M channel and is not registered user->WriteNumeric(ERR_NEEDREGGEDNICK, c->name, "You need to be identified to a registered account to message this channel"); return MOD_RES_DENY; } } else if (target_type == TYPE_USER) { User* u = (User*)dest; if (u->IsModeSet(m3) && !is_registered) { // user messaging a +R user and is not registered user->WriteNumeric(ERR_NEEDREGGEDNICK, u->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)