-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2010 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/>.
*/
+
#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"
-/* +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"
+#include "builtinmodes.h"
ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type)
- : ServiceProvider(Creator, Name, type == MODETYPE_CHANNEL ? SERVICE_CMODE : SERVICE_UMODE), m_paramtype(TR_TEXT),
+ : 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)
{
ModeHandler::~ModeHandler()
{
- if (ServerInstance && ServerInstance->Modes && ServerInstance->Modes->FindMode(mode, m_type) == this)
- ServerInstance->Logs->Log("MODE", ERROR, "ERROR: Destructor for mode %c called while still registered", mode);
}
bool ModeHandler::IsListMode()
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->GetModeChar()) == 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->GetModeChar(), 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->GetModeChar()) == 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->GetModeChar(), adding);
+
+ return MODEACTION_ALLOW;
}
ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
return true;
}
-ModeWatcher::ModeWatcher(Module* Creator, char modeletter, ModeType type)
- : mode(modeletter), m_type(type), creator(Creator)
+ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
+ : mode(modename), m_type(type), creator(Creator)
{
}
{
}
-char ModeWatcher::GetModeChar()
-{
- return mode;
-}
-
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 user's current mode string */
user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
- if (IS_OPER(targetuser))
+ if ((targetuser->IsOper()))
user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks());
return;
}
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));
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);
+ 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<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'])
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->NameStr(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
+ user->nick.c_str(), user->oper->name.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
}
else
{
if (ma != MODEACTION_ALLOW)
return ma;
- for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
- (*watchers)->AfterMode(user, targetuser, chan, parameter, adding, type);
+ itpair = modewatchermap.equal_range(mh->name);
+ for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
+ {
+ ModeWatcher* mw = i->second;
+ if (mw->GetModeType() == type)
+ mw->AfterMode(user, targetuser, chan, parameter, adding);
+ }
return MODEACTION_ALLOW;
}
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;
continue;
}
- std::string parameter = "";
+ std::string parameter;
int pcnt = mh->GetNumParams(adding);
if (pcnt && param_at == parameters.size())
{
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->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<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
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;
return false;
modehandlers[pos] = mh;
+ RecreateModeListFor004Numeric();
return true;
}
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<std::string> stackresult;
+ stackresult.push_back(chan->name);
+ while (stack.GetStackedLine(stackresult))
+ {
+ ServerInstance->SendMode(stackresult, ServerInstance->FakeClient);
+ stackresult.erase(stackresult.begin() + 1, stackresult.end());
+ }
}
break;
}
modehandlers[pos] = NULL;
+ RecreateModeListFor004Numeric();
return true;
}
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)
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);
}
}
-/** 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 (this->GetPrefixRank())
{
- if (stack)
- {
- stack->Push(this->GetModeChar());
- }
+ RemovePrefixMode(channel, stack);
+ }
+ else if (channel->IsModeSet(this->GetModeChar()))
+ {
+ if (this->GetNumParams(false))
+ // Removing this mode requires a parameter
+ stack.Push(this->GetModeChar(), channel->GetModeParameter(this->GetModeChar()));
else
- {
- sprintf(moderemove,"-%c",this->GetModeChar());
- parameters.push_back(channel->name);
- parameters.push_back(moderemove);
- ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
- }
+ stack.Push(this->GetModeChar());
+ }
+}
+
+void ModeHandler::RemovePrefixMode(Channel* chan, irc::modestacker& stack)
+{
+ const UserMembList* userlist = chan->GetUsers();
+ for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i)
+ {
+ if (i->second->hasMode(this->GetModeChar()))
+ stack.Push(this->GetModeChar(), i->first->nick);
}
}
ModeChannelBan b;
ModeChannelOp o;
- // halfop is added by configreader
ModeChannelVoice v;
ModeUserWallops uw;
ModeUserOperator uo;
ModeUserServerNoticeMask us;
- void init(ModeParser* modes)
- {
- modes->AddMode(&s);
- modes->AddMode(&p);
- modes->AddMode(&m);
- modes->AddMode(&t);
- modes->AddMode(&n);
- modes->AddMode(&i);
- modes->AddMode(&k);
- modes->AddMode(&l);
- modes->AddMode(&b);
- modes->AddMode(&o);
- modes->AddMode(&v);
- modes->AddMode(&uw);
- modes->AddMode(&ui);
- modes->AddMode(&uo);
- modes->AddMode(&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;
+void ModeParser::InitBuiltinModes()
+{
+ static_modes.init();
+ static_modes.b.DoRehash();
+}
+
ModeParser::ModeParser()
{
/* Clear mode handler list */
seq = 0;
memset(&sent, 0, sizeof(sent));
-
- static_modes.init(this);
}
ModeParser::~ModeParser()