X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmode.cpp;h=15f5c0d60aec6e5bfaf892ae6f500df1ceaf980d;hb=5cc9614e73a783dec7a8e0887a0435cf577eaad4;hp=c8fecafa5f6d2cb48a81748ab6ea8a2730a15c55;hpb=e35dd5cbb8b7d0d39a83b35c5837c1f062977eea;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/mode.cpp b/src/mode.cpp index c8fecafa5..15f5c0d60 100644 --- a/src/mode.cpp +++ b/src/mode.cpp @@ -1,124 +1,61 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2012 Shawn Smith + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2007, 2009 Dennis Friis + * Copyright (C) 2006-2008 Robin Burchell + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2004-2008 Craig Edwards + * Copyright (C) 2006 Oliver Lupton * - * This program is free but copyrighted software; see - * the file COPYING for details. + * 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 . */ -/* $Core */ #include "inspircd.h" -#include "inspstring.h" - -/* +s (secret) */ -#include "modes/cmode_s.h" -/* +p (private) */ -#include "modes/cmode_p.h" -/* +b (bans) */ -#include "modes/cmode_b.h" -/* +m (moderated) */ -#include "modes/cmode_m.h" -/* +t (only (half) ops can change topic) */ -#include "modes/cmode_t.h" -/* +n (no external messages) */ -#include "modes/cmode_n.h" -/* +i (invite only) */ -#include "modes/cmode_i.h" -/* +k (keyed channel) */ -#include "modes/cmode_k.h" -/* +l (channel user limit) */ -#include "modes/cmode_l.h" -/* +o (channel op) */ -#include "modes/cmode_o.h" -/* +h (channel halfop) */ -#include "modes/cmode_h.h" -/* +v (channel voice) */ -#include "modes/cmode_v.h" -/* +w (see wallops) */ -#include "modes/umode_w.h" -/* +i (invisible) */ -#include "modes/umode_i.h" -/* +o (operator) */ -#include "modes/umode_o.h" -/* +s (server notice masks) */ -#include "modes/umode_s.h" - -ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly, char mprefix, char prefixrequired, TranslateType translate) - : ServerInstance(Instance), mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), m_paramtype(translate), oper(operonly), prefix(mprefix), count(0), prefixneeded(prefixrequired) -{ -} - -ModeHandler::~ModeHandler() -{ -} - -bool ModeHandler::IsListMode() -{ - return list; -} - -char ModeHandler::GetNeededPrefix() -{ - if (prefixneeded == '%' && !ServerInstance->Config->AllowHalfop) - return '@'; - return prefixneeded; -} - -void ModeHandler::SetNeededPrefix(char needsprefix) -{ - prefixneeded = needsprefix; -} - -unsigned int ModeHandler::GetPrefixRank() -{ - return 0; -} - -unsigned int ModeHandler::GetCount() -{ - return 0; -} +#include "builtinmodes.h" -void ModeHandler::ChangeCount(int modifier) +ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type) + : ServiceProvider(Creator, Name, SERVICE_MODE), m_paramtype(TR_TEXT), + parameters_taken(Params), mode(modeletter), prefix(0), oper(false), + list(false), m_type(type), levelrequired(HALFOP_VALUE), prefixrank(0) { - count += modifier; - ServerInstance->Logs->Log("MODE", DEBUG,"Change count for mode %c is now %d", mode, count); } -ModeType ModeHandler::GetModeType() +CullResult ModeHandler::cull() { - return m_type; + if (ServerInstance->Modes) + ServerInstance->Modes->DelMode(this); + return classbase::cull(); } -TranslateType ModeHandler::GetTranslateType() -{ - return m_paramtype; -} - -bool ModeHandler::NeedsOper() -{ - return oper; -} - -char ModeHandler::GetPrefix() +ModeHandler::~ModeHandler() { - return prefix; } int ModeHandler::GetNumParams(bool adding) { - return adding ? n_params_on : n_params_off; -} - -char ModeHandler::GetModeChar() -{ - return mode; + switch (parameters_taken) + { + case PARAM_ALWAYS: + return 1; + case PARAM_SETONLY: + return adding ? 1 : 0; + case PARAM_NONE: + break; + } + return 0; } std::string ModeHandler::GetUserParameter(User* user) @@ -126,21 +63,14 @@ std::string ModeHandler::GetUserParameter(User* user) return ""; } -ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool, bool) +ModResult ModeHandler::AccessCheck(User*, Channel*, std::string &, bool) { - return MODEACTION_DENY; + return MOD_RES_PASSTHRU; } -ModePair ModeHandler::ModeSet(User*, User* dest, Channel* channel, const std::string&) +ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool) { - if (dest) - { - return std::make_pair(dest->IsModeSet(this->mode), ""); - } - else - { - return std::make_pair(channel->IsModeSet(this->mode), ""); - } + return MODEACTION_DENY; } void ModeHandler::DisplayList(User*, Channel*) @@ -155,83 +85,70 @@ void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel) { } -bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string&, const std::string&, Channel*) +bool ModeHandler::ResolveModeConflict(std::string& theirs, const std::string& ours, Channel*) { - return (ours < theirs); + return (theirs < ours); } -SimpleUserModeHandler::SimpleUserModeHandler(InspIRCd* Instance, char modeletter) : ModeHandler(Instance, modeletter, 0, 0, false, MODETYPE_USER, false) +ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) { -} + /* We're either trying to add a mode we already have or + remove a mode we don't have, deny. */ + if (dest->IsModeSet(this) == adding) + return MODEACTION_DENY; -SimpleUserModeHandler::~SimpleUserModeHandler() -{ -} + /* adding will be either true or false, depending on if we + are adding or removing the mode, since we already checked + to make sure we aren't adding a mode we have or that we + aren't removing a mode we don't have, we don't have to do any + other checks here to see if it's true or false, just add or + remove the mode */ + dest->SetMode(this, adding); -SimpleChannelModeHandler::~SimpleChannelModeHandler() -{ + return MODEACTION_ALLOW; } -SimpleChannelModeHandler::SimpleChannelModeHandler(InspIRCd* Instance, char modeletter) : ModeHandler(Instance, modeletter, 0, 0, false, MODETYPE_CHANNEL, false) -{ -} -ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool servermode) +ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) { - if (adding) - { - if (!dest->IsModeSet(this->GetModeChar())) - { - dest->SetMode(this->GetModeChar(),true); - return MODEACTION_ALLOW; - } - } - else - { - if (dest->IsModeSet(this->GetModeChar())) - { - dest->SetMode(this->GetModeChar(),false); - return MODEACTION_ALLOW; - } - } + /* We're either trying to add a mode we already have or + remove a mode we don't have, deny. */ + if (channel->IsModeSet(this) == adding) + return MODEACTION_DENY; - return MODEACTION_DENY; -} + /* adding will be either true or false, depending on if we + are adding or removing the mode, since we already checked + to make sure we aren't adding a mode we have or that we + aren't removing a mode we don't have, we don't have to do any + other checks here to see if it's true or false, just add or + remove the mode */ + channel->SetMode(this, adding); + return MODEACTION_ALLOW; +} -ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool servermode) +ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) { - if (adding) - { - if (!channel->IsModeSet(this->GetModeChar())) - { - channel->SetMode(this->GetModeChar(),true); - return MODEACTION_ALLOW; - } - } - else - { - if (channel->IsModeSet(this->GetModeChar())) - { - channel->SetMode(this->GetModeChar(),false); - return MODEACTION_ALLOW; - } - } - - return MODEACTION_DENY; + if (adding && !ParamValidate(parameter)) + return MODEACTION_DENY; + std::string now = channel->GetModeParameter(this); + if (parameter == now) + return MODEACTION_DENY; + return MODEACTION_ALLOW; } -ModeWatcher::ModeWatcher(InspIRCd* Instance, char modeletter, ModeType type) : ServerInstance(Instance), mode(modeletter), m_type(type) +bool ParamChannelModeHandler::ParamValidate(std::string& parameter) { + return true; } -ModeWatcher::~ModeWatcher() +ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type) + : mode(modename), m_type(type), creator(Creator) { } -char ModeWatcher::GetModeChar() +ModeWatcher::~ModeWatcher() { - return mode; } ModeType ModeWatcher::GetModeType() @@ -239,89 +156,13 @@ ModeType ModeWatcher::GetModeType() return m_type; } -bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType, bool) +bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool) { return true; } -void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType, bool) -{ -} - -User* ModeParser::SanityChecks(User *user, const char *dest, Channel *chan, int) -{ - User *d; - if ((!user) || (!dest) || (!chan) || (!*dest)) - { - return NULL; - } - d = ServerInstance->FindNick(dest); - if (!d) - { - user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), dest); - return NULL; - } - return d; -} - -const char* ModeParser::Grant(User *d,Channel *chan,int MASK) +void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool) { - if (!chan) - return ""; - - UCListIter n = d->chans.find(chan); - if (n != d->chans.end()) - { - if (n->second & MASK) - { - return ""; - } - n->second = n->second | MASK; - switch (MASK) - { - case UCMODE_OP: - n->first->AddOppedUser(d); - break; - case UCMODE_HOP: - n->first->AddHalfoppedUser(d); - break; - case UCMODE_VOICE: - n->first->AddVoicedUser(d); - break; - } - return d->nick.c_str(); - } - return ""; -} - -const char* ModeParser::Revoke(User *d,Channel *chan,int MASK) -{ - if (!chan) - return ""; - - UCListIter n = d->chans.find(chan); - if (n != d->chans.end()) - { - if ((n->second & MASK) == 0) - { - return ""; - } - n->second ^= MASK; - switch (MASK) - { - case UCMODE_OP: - n->first->DelOppedUser(d); - break; - case UCMODE_HOP: - n->first->DelHalfoppedUser(d); - break; - case UCMODE_VOICE: - n->first->DelVoicedUser(d); - break; - } - return d->nick.c_str(); - } - return ""; } void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text) @@ -335,92 +176,99 @@ void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targ } else { - if (targetuser->Visibility && !targetuser->Visibility->VisibleTo(user)) - { - user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), text); - return; - } - if (targetuser == user || user->HasPrivPermission("users/auspex")) { /* Display user's current mode string */ user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes()); - if (IS_OPER(targetuser)) - user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks()); + if ((targetuser->IsOper())) + { + ModeHandler* snomask = FindMode('s', MODETYPE_USER); + user->WriteNumeric(RPL_SNOMASKIS, "%s %s :Server notice mask", targetuser->nick.c_str(), snomask->GetUserParameter(user).c_str()); + } return; } else { - user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str()); + user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str()); return; } } } ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar, - std::string ¶meter, bool servermode, bool SkipACL) + std::string ¶meter, bool SkipACL) { ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER; - unsigned char mask = chan ? MASK_CHANNEL : MASK_USER; ModeHandler *mh = FindMode(modechar, type); int pcnt = mh->GetNumParams(adding); - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode, OnRawMode(user, chan, modechar, parameter, adding, pcnt, servermode)); + // crop mode parameter size to 250 characters + if (parameter.length() > 250 && adding) + parameter = parameter.substr(0, 250); - if (IS_LOCAL(user) && (MOD_RESULT == ACR_DENY)) + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt)); + + if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY)) return MODEACTION_DENY; - if (chan && !SkipACL && (MOD_RESULT != ACR_ALLOW)) + if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW)) { - char needed = mh->GetNeededPrefix(); - ModeHandler* prefixmode = FindPrefix(needed); + MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding); - /* If the mode defined by the handler is not '\0', but the handler for it - * cannot be found, they probably dont have the right module loaded to implement - * the prefix they want to compare the mode against, e.g. '&' for m_chanprotect. - * Revert to checking against the minimum core prefix, '%'. - */ - if (needed && !prefixmode) - { - needed = ServerInstance->Config->AllowHalfop ? '%' : '@'; - prefixmode = FindPrefix(needed); - } - - if (needed) + if (MOD_RESULT == MOD_RES_DENY) + return MODEACTION_DENY; + if (MOD_RESULT == MOD_RES_PASSTHRU) { - unsigned int neededrank = prefixmode->GetPrefixRank(); + unsigned int neededrank = mh->GetLevelRequired(); /* Compare our rank on the channel against the rank of the required prefix, * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown * in NAMES(X) are not in rank order, we know the most powerful mode is listed * first, so we don't need to iterate, we just look up the first instead. */ - std::string modestring = chan->GetAllPrefixChars(user); - char ml = (modestring.empty() ? '\0' : modestring[0]); - ModeHandler* ourmode = FindPrefix(ml); - if (!ourmode || ourmode->GetPrefixRank() < neededrank) + unsigned int ourrank = chan->GetPrefixValue(user); + if (ourrank < neededrank) { - /* Bog off */ - user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel privilege %c or above to %sset channel mode %c", - user->nick.c_str(), chan->name.c_str(), needed, adding ? "" : "un", modechar); + ModeHandler* neededmh = NULL; + for(char c='A'; c <= 'z'; c++) + { + ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL); + if (privmh && privmh->GetPrefixRank() >= neededrank) + { + // this mode is sufficient to allow this action + if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank()) + neededmh = privmh; + } + } + if (neededmh) + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel %s access or above to %sset channel mode %c", + user->nick.c_str(), chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar); + else + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You cannot %sset channel mode %c", + user->nick.c_str(), chan->name.c_str(), adding ? "" : "un", modechar); return MODEACTION_DENY; } } } - unsigned char handler_id = (modechar - 'A') | mask; - - for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) + // Ask mode watchers whether this mode change is OK + std::pair itpair = modewatchermap.equal_range(mh->name); + for (ModeWatchIter i = itpair.first; i != itpair.second; ++i) { - if ((*watchers)->BeforeMode(user, targetuser, chan, parameter, adding, type, servermode) == false) - return MODEACTION_DENY; - /* A module whacked the parameter completely, and there was one. abort. */ - if (pcnt && parameter.empty()) - return MODEACTION_DENY; + ModeWatcher* mw = i->second; + if (mw->GetModeType() == type) + { + if (!mw->BeforeMode(user, targetuser, chan, parameter, adding)) + return MODEACTION_DENY; + + // A module whacked the parameter completely, and there was one. Abort. + if (pcnt && parameter.empty()) + return MODEACTION_DENY; + } } - if (IS_LOCAL(user) && !IS_OPER(user)) + if (IS_LOCAL(user) && !user->IsOper()) { char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes; if (disabled[modechar - 'A']) @@ -434,10 +282,10 @@ ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type)) { /* It's an oper only mode, and they don't have access to it. */ - if (IS_OPER(user)) + if (user->IsOper()) { user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c", - user->nick.c_str(), user->oper.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar); + user->nick.c_str(), user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar); } else { @@ -447,8 +295,23 @@ ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool return MODEACTION_DENY; } + if (mh->GetTranslateType() == TR_NICK && !ServerInstance->FindNick(parameter)) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameter.c_str()); + return MODEACTION_DENY; + } + + if (mh->GetPrefixRank() && chan) + { + User* user_to_prefix = ServerInstance->FindNick(parameter); + if (!user_to_prefix) + return MODEACTION_DENY; + if (!chan->SetPrefix(user_to_prefix, modechar, adding)) + return MODEACTION_DENY; + } + /* Call the handler for the mode */ - ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding, servermode); + ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding); if (pcnt && parameter.empty()) return MODEACTION_DENY; @@ -456,22 +319,21 @@ ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool if (ma != MODEACTION_ALLOW) return ma; - mh->ChangeCount(adding ? 1 : -1); + if ((!mh->IsListMode()) && (mh->GetNumParams(true)) && (chan)) + chan->SetModeParam(mh, (adding ? parameter : "")); - if (mh->GetPrefix() && chan) + itpair = modewatchermap.equal_range(mh->name); + for (ModeWatchIter i = itpair.first; i != itpair.second; ++i) { - User* user_to_prefix = ServerInstance->FindNick(parameter); - if (user_to_prefix) - chan->SetPrefix(user_to_prefix, mh->GetPrefix(), mh->GetPrefixRank(), adding); + ModeWatcher* mw = i->second; + if (mw->GetModeType() == type) + mw->AfterMode(user, targetuser, chan, parameter, adding); } - for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) - (*watchers)->AfterMode(user, targetuser, chan, parameter, adding, type, servermode); - return MODEACTION_ALLOW; } -void ModeParser::Process(const std::vector& parameters, User *user, bool servermode) +void ModeParser::Process(const std::vector& parameters, User* user, ModeProcessFlag flags) { std::string target = parameters[0]; Channel* targetchannel = ServerInstance->FindChan(target); @@ -482,7 +344,7 @@ void ModeParser::Process(const std::vector& parameters, User *user, LastParseParams.clear(); LastParseTranslate.clear(); - if (!targetchannel && !targetuser) + if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser)))) { user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str()); return; @@ -493,34 +355,23 @@ void ModeParser::Process(const std::vector& parameters, User *user, return; } - std::string mode_sequence = parameters[1]; + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters)); bool SkipAccessChecks = false; - if (servermode || !IS_LOCAL(user) || ServerInstance->ULine(user->server)) - { + if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW) SkipAccessChecks = true; - } - else if (targetchannel) - { - /* Overall access control hook for mode change */ - LastParse = mode_sequence; - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, targetchannel, AC_GENERAL_MODE)); - LastParse.clear(); - if (MOD_RESULT == ACR_DENY) - return; - SkipAccessChecks = (MOD_RESULT == ACR_ALLOW); - } - else + else if (MOD_RESULT == MOD_RES_DENY) + return; + + if (targetuser && !SkipAccessChecks && user != targetuser) { - if (user != targetuser) - { - user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str()); - return; - } + user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str()); + return; } + std::string mode_sequence = parameters[1]; std::string output_mode; std::ostringstream output_parameters; @@ -548,7 +399,7 @@ void ModeParser::Process(const std::vector& parameters, User *user, continue; } - std::string parameter = ""; + std::string parameter; int pcnt = mh->GetNumParams(adding); if (pcnt && param_at == parameters.size()) { @@ -562,9 +413,16 @@ void ModeParser::Process(const std::vector& parameters, User *user, /* Make sure the user isn't trying to slip in an invalid parameter */ if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos)) continue; + if ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(mh) && !mh->IsListMode()) + { + std::string ours = targetchannel->GetModeParameter(mh); + if (!mh->ResolveModeConflict(parameter, ours, targetchannel)) + /* we won the mode merge, don't apply this mode */ + continue; + } } - ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, servermode, SkipAccessChecks); + ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, SkipAccessChecks); if (ma != MODEACTION_ALLOW) continue; @@ -579,9 +437,16 @@ void ModeParser::Process(const std::vector& parameters, User *user, if (pcnt) { + TranslateType tt = mh->GetTranslateType(); + if (tt == TR_NICK) + { + User* u = ServerInstance->FindNick(parameter); + if (u) + parameter = u->nick; + } output_parameters << " " << parameter; LastParseParams.push_back(parameter); - LastParseTranslate.push_back(mh->GetTranslateType()); + LastParseTranslate.push_back(tt); } if ( (output_mode.length() + output_parameters.str().length() > 450) @@ -602,20 +467,15 @@ void ModeParser::Process(const std::vector& parameters, User *user, LastParse.append(output_mode); LastParse.append(output_parameters.str()); - if (!user && targetchannel) - targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s", LastParse.c_str()); - else if (!user && targetuser) - targetuser->WriteServ("MODE %s", LastParse.c_str()); - else if (targetchannel) - { - targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str()); - FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate)); - } - else if (targetuser) - { - targetuser->WriteFrom(user, "MODE %s", LastParse.c_str()); - FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate)); - } + if (!(flags & MODE_LOCALONLY)) + ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate); + + if (targetchannel) + targetchannel->WriteChannel(user, "MODE " + LastParse); + else + targetuser->WriteFrom(user, "MODE " + LastParse); + + FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastParseParams, LastParseTranslate)); } else if (targetchannel && parameters.size() == 2) { @@ -649,30 +509,37 @@ void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_s if (!mh || !mh->IsListMode()) return; - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode, OnRawMode(user, chan, mletter, "", true, 0)); - if (MOD_RESULT == ACR_DENY) + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0)); + if (MOD_RESULT == MOD_RES_DENY) continue; bool display = true; - if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetStatus(user) < STATUS_HOP)) + if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE)) { - user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only half-operators and above may view the +%c list", + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You do not have access to view the +%c list", user->nick.c_str(), chan->name.c_str(), mletter); display = false; } - /** See below for a description of what craq this is :D - */ - unsigned char handler_id = (mletter - 'A') | MASK_CHANNEL; - - for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) + // Ask mode watchers whether it's OK to show the list + std::pair itpair = modewatchermap.equal_range(mh->name); + for (ModeWatchIter i = itpair.first; i != itpair.second; ++i) { - std::string dummyparam; + ModeWatcher* mw = i->second; + if (mw->GetModeType() == MODETYPE_CHANNEL) + { + std::string dummyparam; - if (!((*watchers)->BeforeMode(user, NULL, chan, dummyparam, true, MODETYPE_CHANNEL))) - display = false; + if (!mw->BeforeMode(user, NULL, chan, dummyparam, true)) + { + // A mode watcher doesn't want us to show the list + display = false; + break; + } + } } + if (display) mh->DisplayList(user, chan); else @@ -680,11 +547,6 @@ void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_s } } -const std::string& ModeParser::GetLastParse() -{ - return LastParse; -} - void ModeParser::CleanMask(std::string &mask) { std::string::size_type pos_of_pling = mask.find_first_of('!'); @@ -740,6 +602,9 @@ bool ModeParser::AddMode(ModeHandler* mh) if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#')) return false; + if (mh->GetPrefix() && FindPrefix(mh->GetPrefix())) + return false; + mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; pos = (mh->GetModeChar()-65) | mask; @@ -747,6 +612,7 @@ bool ModeParser::AddMode(ModeHandler* mh) return false; modehandlers[pos] = mh; + RecreateModeListFor004Numeric(); return true; } @@ -761,7 +627,7 @@ bool ModeParser::DelMode(ModeHandler* mh) mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; pos = (mh->GetModeChar()-65) | mask; - if (!modehandlers[pos]) + if (modehandlers[pos] != mh) return false; /* Note: We can't stack here, as we have modes potentially being removed across many different channels. @@ -770,20 +636,36 @@ bool ModeParser::DelMode(ModeHandler* mh) switch (mh->GetModeType()) { case MODETYPE_USER: - for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++) + for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); ) { - mh->RemoveMode(i->second); + User* user = i->second; + ++i; + mh->RemoveMode(user); } break; case MODETYPE_CHANNEL: - for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++) + for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ) { - mh->RemoveMode(i->second); + // The channel may not be in the hash after RemoveMode(), see m_permchannels + Channel* chan = i->second; + ++i; + + irc::modestacker stack(false); + mh->RemoveMode(chan, stack); + + std::vector stackresult; + stackresult.push_back(chan->name); + while (stack.GetStackedLine(stackresult)) + { + this->Process(stackresult, ServerInstance->FakeClient, MODE_LOCALONLY); + stackresult.erase(stackresult.begin() + 1, stackresult.end()); + } } break; } modehandlers[pos] = NULL; + RecreateModeListFor004Numeric(); return true; } @@ -802,52 +684,25 @@ ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt) return modehandlers[pos]; } -std::string ModeParser::UserModeList() +std::string ModeParser::CreateModeList(ModeType mt, bool needparam) { - char modestr[256]; - int pointer = 0; + std::string modestr; + unsigned char mask = ((mt == MODETYPE_CHANNEL) ? MASK_CHANNEL : MASK_USER); for (unsigned char mode = 'A'; mode <= 'z'; mode++) { - unsigned char pos = (mode-65) | MASK_USER; + unsigned char pos = (mode-65) | mask; - if (modehandlers[pos]) - modestr[pointer++] = mode; + if ((modehandlers[pos]) && ((!needparam) || (modehandlers[pos]->GetNumParams(true)))) + modestr.push_back(mode); } - modestr[pointer++] = 0; - return modestr; -} -std::string ModeParser::ChannelModeList() -{ - char modestr[256]; - int pointer = 0; - - for (unsigned char mode = 'A'; mode <= 'z'; mode++) - { - unsigned char pos = (mode-65) | MASK_CHANNEL; - - if (modehandlers[pos]) - modestr[pointer++] = mode; - } - modestr[pointer++] = 0; return modestr; } -std::string ModeParser::ParaModeList() +void ModeParser::RecreateModeListFor004Numeric() { - char modestr[256]; - int pointer = 0; - - for (unsigned char mode = 'A'; mode <= 'z'; mode++) - { - unsigned char pos = (mode-65) | MASK_CHANNEL; - - if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true))) - modestr[pointer++] = mode; - } - modestr[pointer++] = 0; - return modestr; + Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true); } ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter) @@ -864,40 +719,6 @@ ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter) return NULL; } -std::string ModeParser::ModeString(User* user, Channel* channel, bool nick_suffix) -{ - std::string types; - std::string pars; - - if (!channel || !user) - return ""; - - for (unsigned char mode = 'A'; mode <= 'z'; mode++) - { - unsigned char pos = (mode-65) | MASK_CHANNEL; - ModeHandler* mh = modehandlers[pos]; - if ((mh) && (mh->GetNumParams(true)) && (mh->GetNumParams(false))) - { - ModePair ret; - ret = mh->ModeSet(NULL, user, channel, user->nick); - if ((ret.first) && (ret.second == user->nick)) - { - if (nick_suffix) - { - pars.append(" "); - pars.append(user->nick); - } - types.push_back(mh->GetModeChar()); - } - } - } - - if (nick_suffix) - return types+pars; - else - return types; -} - std::string ModeParser::GiveModeList(ModeMasks m) { std::string type1; /* Listmodes EXCEPT those with a prefix */ @@ -945,17 +766,11 @@ std::string ModeParser::GiveModeList(ModeMasks m) return type1 + "," + type2 + "," + type3 + "," + type4; } -bool ModeParser::PrefixComparison(prefixtype one, prefixtype two) -{ - return one.second > two.second; -} - -std::string ModeParser::BuildPrefixes() +std::string ModeParser::BuildPrefixes(bool lettersAndModes) { std::string mletters; std::string mprefixes; - pfxcontainer pfx; - std::map prefix_to_mode; + std::map > prefixes; for (unsigned char mode = 'A'; mode <= 'z'; mode++) { @@ -963,147 +778,125 @@ std::string ModeParser::BuildPrefixes() if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix())) { - pfx.push_back(std::make_pair(modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetPrefixRank())); - prefix_to_mode[modehandlers[pos]->GetPrefix()] = modehandlers[pos]->GetModeChar(); + prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair( + modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar()); } } - sort(pfx.begin(), pfx.end(), ModeParser::PrefixComparison); - - for (pfxcontainer::iterator n = pfx.begin(); n != pfx.end(); n++) + for(std::map >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++) { - mletters = mletters + n->first; - mprefixes = mprefixes + prefix_to_mode.find(n->first)->second; + mletters = mletters + n->second.first; + mprefixes = mprefixes + n->second.second; } - return "(" + mprefixes + ")" + mletters; + return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters; } -bool ModeParser::AddModeWatcher(ModeWatcher* mw) +void ModeParser::AddModeWatcher(ModeWatcher* mw) { - unsigned char mask = 0; - unsigned char pos = 0; - - if (!mw) - return false; - - if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z')) - return false; - - mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; - pos = (mw->GetModeChar()-65) | mask; - - modewatchers[pos].push_back(mw); - - return true; + modewatchermap.insert(std::make_pair(mw->GetModeName(), mw)); } bool ModeParser::DelModeWatcher(ModeWatcher* mw) { - unsigned char mask = 0; - unsigned char pos = 0; - - if (!mw) - return false; - - if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z')) - return false; - - mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; - pos = (mw->GetModeChar()-65) | mask; - - ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw); - - if (a == modewatchers[pos].end()) + std::pair itpair = modewatchermap.equal_range(mw->GetModeName()); + for (ModeWatchIter i = itpair.first; i != itpair.second; ++i) { - return false; + if (i->second == mw) + { + modewatchermap.erase(i); + return true; + } } - modewatchers[pos].erase(a); - - return true; + return false; } -/** This default implementation can remove simple user modes - */ -void ModeHandler::RemoveMode(User* user, irc::modestacker* stack) +void ModeHandler::RemoveMode(User* user) { - char moderemove[MAXBUF]; - std::vector parameters; - + // Remove the mode if it's set on the user if (user->IsModeSet(this->GetModeChar())) { - if (stack) - { - stack->Push(this->GetModeChar()); - } - else - { - sprintf(moderemove,"-%c",this->GetModeChar()); - parameters.push_back(user->nick); - parameters.push_back(moderemove); - ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, true); - } + std::vector parameters; + parameters.push_back(user->nick); + parameters.push_back("-"); + parameters[1].push_back(this->GetModeChar()); + ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, ModeParser::MODE_LOCALONLY); } } -/** This default implementation can remove simple channel modes - * (no parameters) - */ -void ModeHandler::RemoveMode(Channel* channel, irc::modestacker* stack) +void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack) { - char moderemove[MAXBUF]; - std::vector parameters; - - if (channel->IsModeSet(this->GetModeChar())) + if (this->GetPrefixRank()) { - if (stack) - { - stack->Push(this->GetModeChar()); - } + RemovePrefixMode(channel, stack); + } + else if (channel->IsModeSet(this)) + { + if (this->GetNumParams(false)) + // Removing this mode requires a parameter + stack.Push(this->GetModeChar(), channel->GetModeParameter(this)); else - { - sprintf(moderemove,"-%c",this->GetModeChar()); - parameters.push_back(channel->name); - parameters.push_back(moderemove); - ServerInstance->SendMode(parameters, ServerInstance->FakeClient); - } + stack.Push(this->GetModeChar()); } } -ModeParser::ModeParser(InspIRCd* Instance) : ServerInstance(Instance) +void ModeHandler::RemovePrefixMode(Channel* chan, irc::modestacker& stack) { - ModeHandler* modes[] = + const UserMembList* userlist = chan->GetUsers(); + for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i) { - new ModeChannelSecret(Instance), - new ModeChannelPrivate(Instance), - new ModeChannelModerated(Instance), - new ModeChannelTopicOps(Instance), - new ModeChannelNoExternal(Instance), - new ModeChannelInviteOnly(Instance), - new ModeChannelKey(Instance), - new ModeChannelLimit(Instance), - new ModeChannelBan(Instance), - new ModeChannelOp(Instance), - new ModeChannelHalfOp(Instance), - new ModeChannelVoice(Instance), - new ModeUserWallops(Instance), - new ModeUserInvisible(Instance), - new ModeUserOperator(Instance), - new ModeUserServerNoticeMask(Instance), - NULL - }; + if (i->second->hasMode(this->GetModeChar())) + stack.Push(this->GetModeChar(), i->first->nick); + } +} - /* Clear mode handler list */ - memset(modehandlers, 0, sizeof(modehandlers)); +struct builtin_modes +{ + ModeChannelSecret s; + ModeChannelPrivate p; + ModeChannelModerated m; + ModeChannelTopicOps t; - /* Last parse string */ - LastParse.clear(); + ModeChannelNoExternal n; + ModeChannelInviteOnly i; + ModeChannelKey k; + ModeChannelLimit l; + + ModeChannelBan b; + ModeChannelOp o; + ModeChannelVoice v; + + ModeUserWallops uw; + ModeUserInvisible ui; + ModeUserOperator uo; + ModeUserServerNoticeMask us; + + void init() + { + ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v, + &uw, &ui, &uo, &us }; + ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*)); + } +}; + +static builtin_modes static_modes; - /* Initialise the RFC mode letters */ - for (int index = 0; modes[index]; index++) - this->AddMode(modes[index]); +void ModeParser::InitBuiltinModes() +{ + static_modes.init(); + static_modes.b.DoRehash(); +} + +ModeParser::ModeParser() +{ + /* Clear mode handler list */ + memset(modehandlers, 0, sizeof(modehandlers)); seq = 0; memset(&sent, 0, sizeof(sent)); } + +ModeParser::~ModeParser() +{ +}