X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_redirect.cpp;h=0c52e01ce2f0e9ee352a6ac3ef3c7f88dc72b60c;hb=HEAD;hp=2af6a4a85706dbdb7412a3d1f89bd73c056ef4de;hpb=ac7defcd3e52695dcf5e5150e9fe3e1624205e64;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_redirect.cpp b/src/modules/m_redirect.cpp index 2af6a4a85..0c52e01ce 100644 --- a/src/modules/m_redirect.cpp +++ b/src/modules/m_redirect.cpp @@ -1,12 +1,16 @@ /* * InspIRCd -- Internet Relay Chat Daemon * - * Copyright (C) 2012 Shawn Smith + * Copyright (C) 2017 B00mX0r + * Copyright (C) 2013, 2017, 2019 Sadie Powell + * Copyright (C) 2012-2014, 2016 Attila Molnar + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2012, 2014 Shawn Smith + * Copyright (C) 2009 Uli Schlachter * Copyright (C) 2009 Daniel De Graaf - * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2008 Robin Burchell * Copyright (C) 2007 Dennis Friis - * Copyright (C) 2004, 2006 Craig Edwards - * Copyright (C) 2006 Oliver Lupton + * Copyright (C) 2004, 2006, 2010 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 @@ -24,145 +28,98 @@ #include "inspircd.h" -/* $ModDesc: Provides channel mode +L (limit redirection) and usermode +L (no forced redirection) */ - /** Handle channel mode +L */ -class Redirect : public ModeHandler +class Redirect : public ParamMode { public: - Redirect(Module* Creator) : ModeHandler(Creator, "redirect", 'L', PARAM_SETONLY, MODETYPE_CHANNEL) { } + Redirect(Module* Creator) + : ParamMode(Creator, "redirect", 'L') + { + syntax = ""; + } - ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) + ModeAction OnSet(User* source, Channel* channel, std::string& parameter) CXX11_OVERRIDE { - if (adding) + if (IS_LOCAL(source)) { - if (IS_LOCAL(source)) + if (!ServerInstance->IsChannel(parameter)) { - if (!ServerInstance->IsChannel(parameter.c_str(), ServerInstance->Config->Limits.ChanMax)) - { - source->WriteNumeric(403, "%s %s :Invalid channel name", source->nick.c_str(), parameter.c_str()); - parameter.clear(); - return MODEACTION_DENY; - } + source->WriteNumeric(Numerics::NoSuchChannel(parameter)); + return MODEACTION_DENY; } + } - if (IS_LOCAL(source) && !IS_OPER(source)) + if (IS_LOCAL(source) && !source->IsOper()) + { + Channel* c = ServerInstance->FindChan(parameter); + if (!c) { - Channel* c = ServerInstance->FindChan(parameter); - if (!c) - { - source->WriteNumeric(690, "%s :Target channel %s must exist to be set as a redirect.",source->nick.c_str(),parameter.c_str()); - parameter.clear(); - return MODEACTION_DENY; - } - else if (c->GetPrefixValue(source) < OP_VALUE) - { - source->WriteNumeric(690, "%s :You must be opped on %s to set it as a redirect.",source->nick.c_str(),parameter.c_str()); - parameter.clear(); - return MODEACTION_DENY; - } - } - - if (channel->GetModeParameter('L') == parameter) + source->WriteNumeric(690, InspIRCd::Format("Target channel %s must exist to be set as a redirect.", parameter.c_str())); return MODEACTION_DENY; - /* - * We used to do some checking for circular +L here, but there is no real need for this any more especially as we - * now catch +L looping in PreJoin. Remove it, since O(n) logic makes me sad, and we catch it anyway. :) -- w00t - */ - channel->SetModeParam('L', parameter); - return MODEACTION_ALLOW; - } - else - { - if (channel->IsModeSet('L')) + } + else if (c->GetPrefixValue(source) < OP_VALUE) { - channel->SetModeParam('L', ""); - return MODEACTION_ALLOW; + source->WriteNumeric(690, InspIRCd::Format("You must be opped on %s to set it as a redirect.", parameter.c_str())); + return MODEACTION_DENY; } } - return MODEACTION_DENY; - + /* + * We used to do some checking for circular +L here, but there is no real need for this any more especially as we + * now catch +L looping in PreJoin. Remove it, since O(n) logic makes me sad, and we catch it anyway. :) -- w00t + */ + ext.set(channel, parameter); + return MODEACTION_ALLOW; } -}; -/** Handles usermode +L to stop forced redirection and print an error. -*/ -class AntiRedirect : public SimpleUserModeHandler -{ - public: - AntiRedirect(Module* Creator) : SimpleUserModeHandler(Creator, "antiredirect", 'L') {} + void SerializeParam(Channel* chan, const std::string* str, std::string& out) + { + out += *str; + } }; class ModuleRedirect : public Module { - Redirect re; - AntiRedirect re_u; - bool UseUsermode; + SimpleUserModeHandler antiredirectmode; + ChanModeReference limitmode; public: - ModuleRedirect() - : re(this), re_u(this) + : re(this) + , antiredirectmode(this, "antiredirect", 'L') + , limitmode(this, "limit") { } - void init() - { - /* Setting this here so it isn't changable by rehasing the config later. */ - UseUsermode = ServerInstance->Config->ConfValue("redirect")->getBool("antiredirect"); - - /* Channel mode */ - if (!ServerInstance->Modes->AddMode(&re)) - throw ModuleException("Could not add new modes!"); - - /* Check to see if the usermode is enabled in the config */ - if (UseUsermode) - { - /* Log noting that this breaks compatability. */ - ServerInstance->Logs->Log("m_redirect", DEFAULT, "REDIRECT: Enabled usermode +L. This breaks linking with servers that do not have this enabled. This is disabled by default in the 2.0 branch but will be enabled in the next version."); - - /* Try to add the usermode */ - if (!ServerInstance->Modes->AddMode(&re_u)) - throw ModuleException("Could not add new modes!"); - } - - Implementation eventlist[] = { I_OnUserPreJoin }; - ServerInstance->Modules->Attach(eventlist, this, 1); - } - - virtual ModResult OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven) + ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE { if (chan) { - if (chan->IsModeSet('L') && chan->IsModeSet('l')) + if (chan->IsModeSet(re) && chan->IsModeSet(limitmode)) { - if (chan->GetUserCounter() >= ConvToInt(chan->GetModeParameter('l'))) + if (chan->GetUserCounter() >= ConvToNum(chan->GetModeParameter(limitmode))) { - std::string channel = chan->GetModeParameter('L'); + const std::string& channel = *re.ext.get(chan); /* sometimes broken ulines can make circular or chained +L, avoid this */ - Channel* destchan = NULL; - destchan = ServerInstance->FindChan(channel); - if (destchan && destchan->IsModeSet('L')) + Channel* destchan = ServerInstance->FindChan(channel); + if (destchan && destchan->IsModeSet(re)) { - user->WriteNumeric(470, "%s %s * :You may not join this channel. A redirect is set, but you may not be redirected as it is a circular loop.", user->nick.c_str(), cname); + user->WriteNumeric(470, cname, '*', "You may not join this channel. A redirect is set, but you may not be redirected as it is a circular loop."); return MOD_RES_DENY; } - /* We check the bool value here to make sure we have it enabled, if we don't then - usermode +L might be assigned to something else. */ - if (UseUsermode && user->IsModeSet('L')) + + if (user->IsModeSet(antiredirectmode)) { - user->WriteNumeric(470, "%s %s %s :Force redirection stopped.", - user->nick.c_str(), cname, channel.c_str()); + user->WriteNumeric(470, cname, channel, "Force redirection stopped."); return MOD_RES_DENY; } else { - user->WriteNumeric(470, "%s %s %s :You may not join this channel, so you are automatically being transferred to the redirect channel.", user->nick.c_str(), cname, channel.c_str()); - Channel::JoinUser(user, channel.c_str(), false, "", false, ServerInstance->Time()); + user->WriteNumeric(470, cname, channel, "You may not join this channel, so you are automatically being transferred to the redirected channel."); + Channel::JoinUser(user, channel); return MOD_RES_DENY; } } @@ -171,13 +128,9 @@ class ModuleRedirect : public Module return MOD_RES_PASSTHRU; } - virtual ~ModuleRedirect() - { - } - - virtual Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { - return Version("Provides channel mode +L (limit redirection) and user mode +L (no forced redirection)", VF_VENDOR); + return Version("Allows users to be redirected to another channel when the user limit is reached.", VF_VENDOR); } };