-/* +------------------------------------+
- * | 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 <shawn@inspircd.org>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
- * 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 <http://www.gnu.org/licenses/>.
*/
-/* $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(Module* Creator, char modeletter, ParamSpec Params, ModeType type)
- : mode(modeletter), parameters_taken(Params), list(false), m_type(type), m_paramtype(TR_TEXT),
- oper(false), prefix(0), count(0), levelrequired(HALFOP_VALUE), creator(Creator)
-{
-}
-
-ModeHandler::~ModeHandler()
-{
-}
-
-bool ModeHandler::IsListMode()
-{
- return list;
-}
+#include "builtinmodes.h"
-unsigned int ModeHandler::GetPrefixRank()
+ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type, Class mclass)
+ : ServiceProvider(Creator, Name, SERVICE_MODE), modeid(ModeParser::MODEID_MAX), m_paramtype(TR_TEXT),
+ parameters_taken(Params), mode(modeletter), oper(false),
+ list(false), m_type(type), type_id(mclass), levelrequired(HALFOP_VALUE)
{
- return 0;
}
-unsigned int ModeHandler::GetCount()
+CullResult ModeHandler::cull()
{
- return 0;
+ if (ServerInstance)
+ ServerInstance->Modes->DelMode(this);
+ return classbase::cull();
}
-void ModeHandler::ChangeCount(int modifier)
+ModeHandler::~ModeHandler()
{
- count += modifier;
- ServerInstance->Logs->Log("MODE", DEBUG,"Change count for mode %c is now %d", mode, count);
}
int ModeHandler::GetNumParams(bool adding)
return 0;
}
-char ModeHandler::GetModeChar()
-{
- return mode;
-}
-
std::string ModeHandler::GetUserParameter(User* user)
{
return "";
return MODEACTION_DENY;
}
-ModePair ModeHandler::ModeSet(User*, User* dest, Channel* channel, const std::string&)
-{
- if (dest)
- {
- return std::make_pair(dest->IsModeSet(this->mode), "");
- }
- else
- {
- return std::make_pair(channel->IsModeSet(this->mode), "");
- }
-}
-
void ModeHandler::DisplayList(User*, Channel*)
{
}
ModeAction SimpleUserModeHandler::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 (dest->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 */
+ dest->SetMode(this, adding);
+
+ return MODEACTION_ALLOW;
}
ModeAction SimpleChannelModeHandler::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;
- }
- }
+ /* 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);
-ModeWatcher::ModeWatcher(char modeletter, ModeType type) : mode(modeletter), m_type(type)
-{
+ return MODEACTION_ALLOW;
}
-ModeWatcher::~ModeWatcher()
+ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
+ : mode(modename), m_type(type), creator(Creator)
{
+ ServerInstance->Modes->AddModeWatcher(this);
}
-char ModeWatcher::GetModeChar()
+ModeWatcher::~ModeWatcher()
{
- return mode;
+ ServerInstance->Modes->DelModeWatcher(this);
}
ModeType ModeWatcher::GetModeType()
return m_type;
}
-bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType)
+bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
{
return true;
}
-void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType)
+void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, 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;
-}
-
void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
{
if (targetchannel)
{
/* Display channel's current mode string */
- user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
- user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
+ user->WriteNumeric(RPL_CHANNELMODEIS, "%s +%s", targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
+ user->WriteNumeric(RPL_CHANNELCREATED, "%s %lu", targetchannel->name.c_str(), (unsigned long)targetchannel->age);
return;
}
else
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());
+ user->WriteNumeric(RPL_UMODEIS, ":+%s", targetuser->FormatModes());
+ if ((targetuser->IsOper()))
+ {
+ ModeHandler* snomask = FindMode('s', MODETYPE_USER);
+ user->WriteNumeric(RPL_SNOMASKIS, "%s :Server notice mask", snomask->GetUserParameter(user).c_str());
+ }
return;
}
else
{
- user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
+ user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't view modes for other users");
return;
}
}
}
+PrefixMode::PrefixMode(Module* Creator, const std::string& Name, char ModeLetter)
+ : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
+ , prefix(0), prefixrank(0)
+{
+ list = true;
+ m_paramtype = TR_NICK;
+}
+
+ModeAction PrefixMode::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
+{
+ User* target;
+ if (IS_LOCAL(source))
+ target = ServerInstance->FindNickOnly(parameter);
+ else
+ target = ServerInstance->FindNick(parameter);
+
+ if (!target)
+ {
+ source->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameter.c_str());
+ return MODEACTION_DENY;
+ }
+
+ Membership* memb = chan->GetUser(target);
+ if (!memb)
+ return MODEACTION_DENY;
+
+ parameter = target->nick;
+ return (memb->SetPrefix(this, adding) ? MODEACTION_ALLOW : MODEACTION_DENY);
+}
+
+ModeAction ParamModeBase::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
+{
+ if (adding)
+ {
+ if (chan->GetModeParameter(this) == parameter)
+ return MODEACTION_DENY;
+
+ if (OnSet(source, chan, parameter) != MODEACTION_ALLOW)
+ return MODEACTION_DENY;
+
+ chan->SetMode(this, true);
+
+ // Handler might have changed the parameter internally
+ parameter.clear();
+ this->GetParameter(chan, parameter);
+ }
+ else
+ {
+ if (!chan->IsModeSet(this))
+ return MODEACTION_DENY;
+ this->OnUnsetInternal(source, chan);
+ chan->SetMode(this, false);
+ }
+ return MODEACTION_ALLOW;
+}
+
ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
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);
+ // crop mode parameter size to 250 characters
+ if (parameter.length() > 250 && adding)
+ parameter = parameter.substr(0, 250);
+
ModResult MOD_RESULT;
- FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, modechar, parameter, adding, pcnt));
+ FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, parameter, adding));
if (IS_LOCAL(user) && (MOD_RESULT == MOD_RES_DENY))
return MODEACTION_DENY;
unsigned int ourrank = chan->GetPrefixValue(user);
if (ourrank < neededrank)
{
- /* Bog off */
- // TODO replace with a real search for the proper prefix
- char needed = neededrank > HALFOP_VALUE ? '@' : '%';
- 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);
+ PrefixMode* neededmh = NULL;
+ for(char c='A'; c <= 'z'; c++)
+ {
+ PrefixMode* privmh = FindPrefixMode(c);
+ 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 :You must have channel %s access or above to %sset channel mode %c",
+ chan->name.c_str(), neededmh->name.c_str(), adding ? "" : "un", modechar);
+ else
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You cannot %sset channel mode %c",
+ 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<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mh->name);
+ for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
{
- if ((*watchers)->BeforeMode(user, targetuser, chan, parameter, adding, type) == 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'])
{
- user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
- user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
+ user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - %s mode %c has been locked by the administrator",
+ type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
return MODEACTION_DENY;
}
}
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(), irc::Spacify(user->oper.c_str()), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
+ user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Oper type %s does not have access to set %s mode %c",
+ user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
}
else
{
- user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
- user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
+ user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Only operators may set %s mode %c",
+ type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
}
return MODEACTION_DENY;
}
if (ma != MODEACTION_ALLOW)
return ma;
- mh->ChangeCount(adding ? 1 : -1);
-
- if (mh->GetPrefixRank() && 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, modechar, 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);
-
return MODEACTION_ALLOW;
}
-void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool merge)
+void ModeParser::Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags)
{
- std::string target = parameters[0];
+ const std::string& target = parameters[0];
Channel* targetchannel = ServerInstance->FindChan(target);
- User* targetuser = ServerInstance->FindNick(target);
+ User* targetuser = NULL;
+ if (!targetchannel)
+ {
+ if (IS_LOCAL(user))
+ targetuser = ServerInstance->FindNickOnly(target);
+ else
+ targetuser = ServerInstance->FindNick(target);
+ }
ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
LastParse.clear();
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());
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", target.c_str());
return;
}
if (parameters.size() == 1)
return;
}
- std::string mode_sequence = parameters[1];
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
bool SkipAccessChecks = false;
- if (!IS_LOCAL(user) || ServerInstance->ULine(user->server))
- {
+ if (!IS_LOCAL(user) || MOD_RESULT == MOD_RES_ALLOW)
SkipAccessChecks = true;
- }
- else
- {
- ModResult MOD_RESULT;
- FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
- if (MOD_RESULT == MOD_RES_DENY)
- return;
- SkipAccessChecks = (MOD_RESULT == MOD_RES_ALLOW);
- }
+ else if (MOD_RESULT == MOD_RES_DENY)
+ return;
if (targetuser && !SkipAccessChecks && user != targetuser)
{
- user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
+ user->WriteNumeric(ERR_USERSDONTMATCH, ":Can't change mode for other users");
return;
}
+ std::string mode_sequence = parameters[1];
+
std::string output_mode;
std::ostringstream output_parameters;
LastParseParams.push_back(output_mode);
if (!mh)
{
/* No mode handler? Unknown mode character then. */
- user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
+ user->WriteNumeric(type == MODETYPE_CHANNEL ? ERR_UNKNOWNMODE : ERR_UNKNOWNSNOMASK, "%c :is unknown mode char to me", modechar);
continue;
}
- std::string parameter = "";
+ std::string parameter;
int pcnt = mh->GetNumParams(adding);
if (pcnt && param_at == parameters.size())
{
/* Make sure the user isn't trying to slip in an invalid parameter */
if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
continue;
- if (merge && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
+ if ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(mh) && !mh->IsListMode())
{
- std::string ours = targetchannel->GetModeParameter(modechar);
+ std::string ours = targetchannel->GetModeParameter(mh);
if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
/* we won the mode merge, don't apply this mode */
continue;
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(tt);
+ LastParseTranslate.push_back(mh->GetTranslateType());
}
if ( (output_mode.length() + output_parameters.str().length() > 450)
LastParse.append(output_mode);
LastParse.append(output_parameters.str());
+ if (!(flags & MODE_LOCALONLY))
+ ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate);
+
if (targetchannel)
- {
- targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str());
- FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate));
- }
+ targetchannel->WriteChannel(user, "MODE " + LastParse);
else
- {
- targetuser->WriteFrom(user, "MODE %s", LastParse.c_str());
- FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate));
- }
+ targetuser->WriteFrom(user, "MODE " + LastParse);
+
+ FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastParseParams, LastParseTranslate));
}
else if (targetchannel && parameters.size() == 2)
{
return;
ModResult MOD_RESULT;
- FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mletter, "", true, 0));
+ FIRST_MOD_RESULT(OnRawMode, MOD_RESULT, (user, chan, mh, "", true));
if (MOD_RESULT == MOD_RES_DENY)
continue;
bool display = true;
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->nick.c_str(), chan->name.c_str(), mletter);
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You do not have access to view the +%c list",
+ 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<ModeWatchIter, ModeWatchIter> 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
}
}
-const std::string& ModeParser::GetLastParse()
-{
- return LastParse;
-}
-
void ModeParser::CleanMask(std::string &mask)
{
std::string::size_type pos_of_pling = mask.find_first_of('!');
}
}
-bool ModeParser::AddMode(ModeHandler* mh)
+ModeHandler::Id ModeParser::AllocateModeId(ModeType mt)
{
- unsigned char mask = 0;
- unsigned char pos = 0;
+ for (ModeHandler::Id i = 0; i != MODEID_MAX; ++i)
+ {
+ if (!modehandlersbyid[mt][i])
+ return i;
+ }
+
+ throw ModuleException("Out of ModeIds");
+}
+void ModeParser::AddMode(ModeHandler* mh)
+{
/* Yes, i know, this might let people declare modes like '_' or '^'.
* If they do that, thats their problem, and if i ever EVER see an
* official InspIRCd developer do that, i'll beat them with a paddle!
*/
- if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
- return false;
+ if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
+ throw ModuleException("Invalid letter for mode " + mh->name);
/* A mode prefix of ',' is not acceptable, it would fuck up server to server.
* A mode prefix of ':' will fuck up both server to server, and client to server.
* A mode prefix of '#' will mess up /whois and /privmsg
*/
- if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
- return false;
+ PrefixMode* pm = mh->IsPrefixMode();
+ if (pm)
+ {
+ if ((pm->GetPrefix() > 126) || (pm->GetPrefix() == ',') || (pm->GetPrefix() == ':') || (pm->GetPrefix() == '#'))
+ throw ModuleException("Invalid prefix for mode " + mh->name);
- mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (mh->GetModeChar()-65) | mask;
+ if (FindPrefix(pm->GetPrefix()))
+ throw ModuleException("Prefix already exists for mode " + mh->name);
+ }
- if (modehandlers[pos])
- return false;
+ ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
+ if (slot)
+ throw ModuleException("Letter is already in use for mode " + mh->name);
- modehandlers[pos] = mh;
- return true;
+ // The mode needs an id if it is either a user mode, a simple mode (flag) or a parameter mode.
+ // Otherwise (for listmodes and prefix modes) the id remains MODEID_MAX, which is invalid.
+ ModeHandler::Id modeid = MODEID_MAX;
+ if ((mh->GetModeType() == MODETYPE_USER) || (mh->IsParameterMode()) || (!mh->IsListMode()))
+ modeid = AllocateModeId(mh->GetModeType());
+
+ if (!modehandlersbyname[mh->GetModeType()].insert(std::make_pair(mh->name, mh)).second)
+ throw ModuleException("Mode name already in use: " + mh->name);
+
+ // Everything is fine, add the mode
+
+ // If we allocated an id for this mode then save it and put the mode handler into the slot
+ if (modeid != MODEID_MAX)
+ {
+ mh->modeid = modeid;
+ modehandlersbyid[mh->GetModeType()][modeid] = mh;
+ }
+
+ slot = mh;
+ if (pm)
+ mhlist.prefix.push_back(pm);
+ else if (mh->IsListModeBase())
+ mhlist.list.push_back(mh->IsListModeBase());
+
+ RecreateModeListFor004Numeric();
}
bool ModeParser::DelMode(ModeHandler* mh)
{
- unsigned char mask = 0;
- unsigned char pos = 0;
-
if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
return false;
- mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (mh->GetModeChar()-65) | mask;
+ ModeHandlerMap& mhmap = modehandlersbyname[mh->GetModeType()];
+ ModeHandlerMap::iterator mhmapit = mhmap.find(mh->name);
+ if ((mhmapit == mhmap.end()) || (mhmapit->second != mh))
+ return false;
- if (!modehandlers[pos])
+ ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
+ if (slot != mh)
return false;
/* Note: We can't stack here, as we have modes potentially being removed across many different channels.
switch (mh->GetModeType())
{
case MODETYPE_USER:
- for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++)
+ {
+ const user_hash& users = ServerInstance->Users->GetUsers();
+ for (user_hash::const_iterator i = users.begin(); i != users.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++)
+ {
+ const chan_hash& chans = ServerInstance->GetChans();
+ for (chan_hash::const_iterator i = chans.begin(); i != chans.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<std::string> 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;
+ mhmap.erase(mhmapit);
+ if (mh->GetId() != MODEID_MAX)
+ modehandlersbyid[mh->GetModeType()][mh->GetId()] = NULL;
+ slot = NULL;
+ if (mh->IsPrefixMode())
+ mhlist.prefix.erase(std::find(mhlist.prefix.begin(), mhlist.prefix.end(), mh->IsPrefixMode()));
+ else if (mh->IsListModeBase())
+ mhlist.list.erase(std::find(mhlist.list.begin(), mhlist.list.end(), mh->IsListModeBase()));
+ RecreateModeListFor004Numeric();
return true;
}
-ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
+ModeHandler* ModeParser::FindMode(const std::string& modename, ModeType mt)
{
- unsigned char mask = 0;
- unsigned char pos = 0;
+ ModeHandlerMap& mhmap = modehandlersbyname[mt];
+ ModeHandlerMap::const_iterator it = mhmap.find(modename);
+ if (it != mhmap.end())
+ return it->second;
- if ((modeletter < 'A') || (modeletter > 'z'))
- return NULL;
-
- mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (modeletter-65) | mask;
-
- return modehandlers[pos];
+ return NULL;
}
-std::string ModeParser::UserModeList()
+ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
{
- char modestr[256];
- int pointer = 0;
-
- for (unsigned char mode = 'A'; mode <= 'z'; mode++)
- {
- unsigned char pos = (mode-65) | MASK_USER;
+ if ((modeletter < 'A') || (modeletter > 'z'))
+ return NULL;
- if (modehandlers[pos])
- modestr[pointer++] = mode;
- }
- modestr[pointer++] = 0;
- return modestr;
+ return modehandlers[mt][modeletter-65];
}
-std::string ModeParser::ChannelModeList()
+PrefixMode* ModeParser::FindPrefixMode(unsigned char modeletter)
{
- 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;
+ ModeHandler* mh = FindMode(modeletter, MODETYPE_CHANNEL);
+ if (!mh)
+ return NULL;
+ return mh->IsPrefixMode();
}
-std::string ModeParser::ParaModeList()
+std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
{
- char modestr[256];
- int pointer = 0;
+ std::string modestr;
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;
+ ModeHandler* mh = modehandlers[mt][mode-65];
+ if ((mh) && ((!needparam) || (mh->GetNumParams(true))))
+ modestr.push_back(mode);
}
- modestr[pointer++] = 0;
+
return modestr;
}
-ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
+void ModeParser::RecreateModeListFor004Numeric()
{
- for (unsigned char mode = 'A'; mode <= 'z'; mode++)
- {
- unsigned char pos = (mode-65) | MASK_CHANNEL;
-
- if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
- {
- return modehandlers[pos];
- }
- }
- return NULL;
+ Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
}
-std::string ModeParser::ModeString(User* user, Channel* channel, bool nick_suffix)
+PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
{
- std::string types;
- std::string pars;
-
- if (!channel || !user)
- return "";
-
- for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ const PrefixModeList& list = GetPrefixModes();
+ for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
{
- 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());
- }
- }
+ PrefixMode* pm = *i;
+ if (pm->GetPrefix() == pfxletter)
+ return pm;
}
-
- if (nick_suffix)
- return types+pars;
- else
- return types;
+ return NULL;
}
-std::string ModeParser::GiveModeList(ModeMasks m)
+std::string ModeParser::GiveModeList(ModeType mt)
{
std::string type1; /* Listmodes EXCEPT those with a prefix */
std::string type2; /* Modes that take a param when adding or removing */
for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- unsigned char pos = (mode-65) | m;
+ ModeHandler* mh = modehandlers[mt][mode-65];
/* One parameter when adding */
- if (modehandlers[pos])
+ if (mh)
{
- if (modehandlers[pos]->GetNumParams(true))
+ if (mh->GetNumParams(true))
{
- if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
+ PrefixMode* pm = mh->IsPrefixMode();
+ if ((mh->IsListMode()) && ((!pm) || (pm->GetPrefix() == 0)))
{
- type1 += modehandlers[pos]->GetModeChar();
+ type1 += mh->GetModeChar();
}
else
{
/* ... and one parameter when removing */
- if (modehandlers[pos]->GetNumParams(false))
+ if (mh->GetNumParams(false))
{
/* But not a list mode */
- if (!modehandlers[pos]->GetPrefix())
+ if (!pm)
{
- type2 += modehandlers[pos]->GetModeChar();
+ type2 += mh->GetModeChar();
}
}
else
{
/* No parameters when removing */
- type3 += modehandlers[pos]->GetModeChar();
+ type3 += mh->GetModeChar();
}
}
}
else
{
- type4 += modehandlers[pos]->GetModeChar();
+ type4 += mh->GetModeChar();
}
}
}
return type1 + "," + type2 + "," + type3 + "," + type4;
}
-std::string ModeParser::BuildPrefixes()
+std::string ModeParser::BuildPrefixes(bool lettersAndModes)
{
std::string mletters;
std::string mprefixes;
std::map<int,std::pair<char,char> > prefixes;
- for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ const PrefixModeList& list = GetPrefixModes();
+ for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
{
- unsigned char pos = (mode-65) | MASK_CHANNEL;
-
- if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
- {
- prefixes[modehandlers[pos]->GetPrefixRank()] = std::make_pair(
- modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetModeChar());
- }
+ PrefixMode* pm = *i;
+ if (pm->GetPrefix())
+ prefixes[pm->GetPrefixRank()] = std::make_pair(pm->GetPrefix(), pm->GetModeChar());
}
for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
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<ModeWatchIter, ModeWatchIter> 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<std::string> 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);
- }
+ std::vector<std::string> 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<std::string> parameters;
-
- if (channel->IsModeSet(this->GetModeChar()))
+ if (channel->IsModeSet(this))
{
- if (stack)
- {
- stack->Push(this->GetModeChar());
- }
+ 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()
+void PrefixMode::RemoveMode(Channel* chan, irc::modestacker& stack)
{
- ModeHandler* modes[] =
+ const Channel::MemberMap& userlist = chan->GetUsers();
+ for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
{
- new ModeChannelSecret,
- new ModeChannelPrivate,
- new ModeChannelModerated,
- new ModeChannelTopicOps,
+ if (i->second->hasMode(this->GetModeChar()))
+ stack.Push(this->GetModeChar(), i->first->nick);
+ }
+}
+
+struct builtin_modes
+{
+ ModeChannelSecret s;
+ ModeChannelPrivate p;
+ ModeChannelModerated m;
+ ModeChannelTopicOps t;
- new ModeChannelNoExternal,
- new ModeChannelInviteOnly,
- new ModeChannelKey,
- new ModeChannelLimit,
+ ModeChannelNoExternal n;
+ ModeChannelInviteOnly i;
+ ModeChannelKey k;
+ ModeChannelLimit l;
- new ModeChannelBan,
- new ModeChannelOp,
- new ModeChannelHalfOp,
- new ModeChannelVoice,
+ ModeChannelBan b;
+ ModeChannelOp o;
+ ModeChannelVoice v;
- new ModeUserWallops,
- new ModeUserInvisible,
- new ModeUserOperator,
- new ModeUserServerNoticeMask,
-#define BUILTIN_MODE_COUNT 16
- };
+ ModeUserInvisible ui;
+ ModeUserOperator uo;
+ ModeUserServerNoticeMask us;
- /* Clear mode handler list */
- memset(modehandlers, 0, sizeof(modehandlers));
+ void init()
+ {
+ ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
+ &ui, &uo, &us };
+ ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
+ }
+};
- /* Last parse string */
- LastParse.clear();
+static builtin_modes static_modes;
- /* Initialise the RFC mode letters */
- for (int index = 0; index < BUILTIN_MODE_COUNT; 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));
+ memset(modehandlersbyid, 0, sizeof(modehandlersbyid));
seq = 0;
memset(&sent, 0, sizeof(sent));
ModeParser::~ModeParser()
{
- int count = 0;
- for(int i=0; i < 256; i++)
- {
- ModeHandler* mh = modehandlers[i];
- if (mh && mh->creator == NULL)
- {
- count++;
- delete mh;
- }
- }
- if (count != BUILTIN_MODE_COUNT)
- throw CoreException("Mode handler found non-core modes remaining at deallocation");
}