#include "inspircd.h"
+#include "builtinmodes.h"
-/* +s (secret) */
-/* +p (private) */
-/* +m (moderated) */
-/* +t (only (half) ops can change topic) */
-/* +n (no external messages) */
-/* +i (invite only) */
-/* +w (see wallops) */
-/* +i (invisible) */
-#include "modes/simplemodes.h"
-/* +b (bans) */
-#include "modes/cmode_b.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"
-/* +o (operator) */
-#include "modes/umode_o.h"
-/* +s (server notice masks) */
-#include "modes/umode_s.h"
-
-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)
+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),
+ parameters_taken(Params), mode(modeletter), oper(false),
+ list(false), m_type(type), type_id(mclass), levelrequired(HALFOP_VALUE)
{
}
CullResult ModeHandler::cull()
{
- if (ServerInstance->Modes)
+ if (ServerInstance)
ServerInstance->Modes->DelMode(this);
return classbase::cull();
}
{
}
-bool ModeHandler::IsListMode()
-{
- return list;
-}
-
-unsigned int ModeHandler::GetPrefixRank()
-{
- return 0;
-}
-
int ModeHandler::GetNumParams(bool adding)
{
switch (parameters_taken)
return (theirs < ours);
}
+void ModeHandler::RegisterService()
+{
+ ServerInstance->Modes.AddMode(this);
+ ServerInstance->Modules.AddReferent((GetModeType() == MODETYPE_CHANNEL ? "mode/" : "umode/") + name, this);
+}
+
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->GetModeChar()) == adding)
+ if (dest->IsModeSet(this) == adding)
return MODEACTION_DENY;
/* adding will be either true or false, depending on if 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);
+ dest->SetMode(this, adding);
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)
+ if (channel->IsModeSet(this) == adding)
return MODEACTION_DENY;
/* adding will be either true or false, depending on if 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);
+ channel->SetMode(this, adding);
return MODEACTION_ALLOW;
}
-ModeAction ParamChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
-{
- if (adding && !ParamValidate(parameter))
- return MODEACTION_DENY;
- std::string now = channel->GetModeParameter(this);
- if (parameter == now)
- return MODEACTION_DENY;
- if (adding)
- channel->SetModeParam(this, parameter);
- else
- channel->SetModeParam(this, "");
- return MODEACTION_ALLOW;
-}
-
-bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
-{
- 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)
{
+ ServerInstance->Modes->AddModeWatcher(this);
}
ModeWatcher::~ModeWatcher()
{
-}
-
-char ModeWatcher::GetModeChar()
-{
- 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)
+PrefixMode::PrefixMode(Module* Creator, const std::string& Name, char ModeLetter, unsigned int Rank, char PrefixChar)
+ : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
+ , prefix(PrefixChar), prefixrank(Rank)
{
- User *d;
- if ((!user) || (!dest) || (!chan) || (!*dest))
- {
- return NULL;
- }
- d = ServerInstance->FindNick(dest);
- if (!d)
+ list = true;
+}
+
+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)
{
- user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), dest);
- return NULL;
+ source->WriteNumeric(Numerics::NoSuchNick(parameter));
+ return MODEACTION_DENY;
}
- return d;
+
+ Membership* memb = chan->GetUser(target);
+ if (!memb)
+ return MODEACTION_DENY;
+
+ parameter = target->nick;
+ return (memb->SetPrefix(this, adding) ? MODEACTION_ALLOW : MODEACTION_DENY);
}
-void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
+ModeAction ParamModeBase::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
{
- if (targetchannel)
+ if (adding)
{
- /* 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);
- return;
+ 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 (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());
- return;
- }
- else
- {
- user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't view modes for other users", user->nick.c_str());
- return;
- }
+ 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)
+ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, Modes::Change& mcitem, bool SkipACL)
{
ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
- unsigned char mask = chan ? MASK_CHANNEL : MASK_USER;
- ModeHandler *mh = FindMode(modechar, type);
+ ModeHandler* mh = mcitem.mh;
+ bool adding = mcitem.adding;
int pcnt = mh->GetNumParams(adding);
+ std::string& parameter = mcitem.param;
// crop mode parameter size to 250 characters
if (parameter.length() > 250 && adding)
- parameter = parameter.substr(0, 250);
+ parameter.erase(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;
+ const char modechar = mh->GetModeChar();
+
if (chan && !SkipACL && (MOD_RESULT != MOD_RES_ALLOW))
{
MOD_RESULT = mh->AccessCheck(user, chan, parameter, adding);
unsigned int ourrank = chan->GetPrefixValue(user);
if (ourrank < neededrank)
{
- ModeHandler* neededmh = NULL;
+ PrefixMode* neededmh = NULL;
for(char c='A'; c <= 'z'; c++)
{
- ModeHandler *privmh = FindMode(c, MODETYPE_CHANNEL);
+ PrefixMode* privmh = FindPrefixMode(c);
if (privmh && privmh->GetPrefixRank() >= neededrank)
{
// this mode is sufficient to allow this action
}
}
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);
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, chan->name, InspIRCd::Format("You must have channel %s access or above to %sset channel mode %c",
+ 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);
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, chan->name, InspIRCd::Format("You cannot %sset channel mode %c", (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<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mh->name);
+ for (ModeWatcherMap::iterator 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, InspIRCd::Format("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(), user->oper->NameStr(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar);
+ user->WriteNumeric(ERR_NOPRIVILEGES, InspIRCd::Format("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, InspIRCd::Format("Permission Denied - Only operators may set %s mode %c",
+ type == MODETYPE_CHANNEL ? "channel" : "user", modechar));
}
return MODEACTION_DENY;
}
- if (mh->GetTranslateType() == TR_NICK)
- {
- User* prefixtarget;
- if (IS_LOCAL(user))
- prefixtarget = ServerInstance->FindNickOnly(parameter);
- else
- prefixtarget = ServerInstance->FindNick(parameter);
-
- if (!prefixtarget)
- {
- 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);
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 (ModeWatcherMap::iterator 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;
}
-void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool merge)
+void ModeParser::ModeParamsToChangeList(User* user, ModeType type, const std::vector<std::string>& parameters, Modes::ChangeList& changelist, unsigned int beginindex, unsigned int endindex)
{
- const std::string& target = parameters[0];
- Channel* targetchannel = ServerInstance->FindChan(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;
+ if (endindex > parameters.size())
+ endindex = parameters.size();
- LastParse.clear();
- LastParseParams.clear();
- LastParseTranslate.clear();
-
- if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
- {
- user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str());
- return;
- }
- if (parameters.size() == 1)
- {
- this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str());
- return;
- }
-
- ModResult MOD_RESULT;
- FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, parameters));
-
- bool SkipAccessChecks = false;
-
- if (!IS_LOCAL(user) || ServerInstance->ULine(user->server) || MOD_RESULT == MOD_RES_ALLOW)
- SkipAccessChecks = true;
- 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());
- return;
- }
-
- std::string mode_sequence = parameters[1];
-
- std::string output_mode;
- std::ostringstream output_parameters;
- LastParseParams.push_back(output_mode);
- LastParseTranslate.push_back(TR_TEXT);
+ const std::string& mode_sequence = parameters[beginindex];
bool adding = true;
- char output_pm = '\0'; // current output state, '+' or '-'
- unsigned int param_at = 2;
+ unsigned int param_at = beginindex+1;
for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
{
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, modechar, "is unknown mode char to me");
continue;
}
std::string parameter;
- int pcnt = mh->GetNumParams(adding);
- if (pcnt && param_at == parameters.size())
- {
- /* No parameter, continue to the next mode */
- mh->OnParameterMissing(user, targetuser, targetchannel);
- continue;
- }
- else if (pcnt)
- {
+ if (mh->GetNumParams(adding) && param_at < endindex)
parameter = parameters[param_at++];
- /* Make sure the user isn't trying to slip in an invalid parameter */
- if ((parameter.empty()) || (parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
+
+ changelist.push(mh, adding, parameter);
+ }
+}
+
+static bool IsModeParamValid(User* user, Channel* targetchannel, User* targetuser, const Modes::Change& item)
+{
+ // An empty parameter is never acceptable
+ if (item.param.empty())
+ {
+ item.mh->OnParameterMissing(user, targetuser, targetchannel);
+ return false;
+ }
+
+ // The parameter cannot begin with a ':' character or contain a space
+ if ((item.param[0] == ':') || (item.param.find(' ') != std::string::npos))
+ return false;
+
+ return true;
+}
+
+// Returns true if we should apply a merged mode, false if we should skip it
+static bool ShouldApplyMergedMode(Channel* chan, Modes::Change& item)
+{
+ ModeHandler* mh = item.mh;
+ if ((!chan) || (!chan->IsModeSet(mh)) || (mh->IsListMode()))
+ // Mode not set here or merge is not applicable, apply the incoming mode
+ return true;
+
+ // Mode handler decides
+ std::string ours = chan->GetModeParameter(mh);
+ return mh->ResolveModeConflict(item.param, ours, chan);
+}
+
+void ModeParser::Process(User* user, Channel* targetchannel, User* targetuser, Modes::ChangeList& changelist, ModeProcessFlag flags)
+{
+ // Call ProcessSingle until the entire list is processed, but at least once to ensure
+ // LastParse and LastChangeList are cleared
+ unsigned int processed = 0;
+ do
+ {
+ unsigned int n = ProcessSingle(user, targetchannel, targetuser, changelist, flags, processed);
+ processed += n;
+ }
+ while (processed < changelist.size());
+}
+
+unsigned int ModeParser::ProcessSingle(User* user, Channel* targetchannel, User* targetuser, Modes::ChangeList& changelist, ModeProcessFlag flags, unsigned int beginindex)
+{
+ LastParse.clear();
+ LastChangeList.clear();
+
+ unsigned int modes_processed = 0;
+ std::string output_mode;
+ std::string output_parameters;
+
+ char output_pm = '\0'; // current output state, '+' or '-'
+ Modes::ChangeList::List& list = changelist.getlist();
+ for (Modes::ChangeList::List::iterator i = list.begin()+beginindex; i != list.end(); ++i)
+ {
+ modes_processed++;
+
+ Modes::Change& item = *i;
+ ModeHandler* mh = item.mh;
+
+ // If the mode is supposed to have a parameter then we first take a look at item.param
+ // and, if we were asked to, also handle mode merges now
+ if (mh->GetNumParams(item.adding))
+ {
+ // Skip the mode if the parameter does not pass basic validation
+ if (!IsModeParamValid(user, targetchannel, targetuser, item))
+ continue;
+
+ // If this is a merge and we won we don't apply this mode
+ if ((flags & MODE_MERGE) && (!ShouldApplyMergedMode(targetchannel, item)))
continue;
- if (merge && targetchannel && targetchannel->IsModeSet(modechar) && !mh->IsListMode())
- {
- std::string ours = targetchannel->GetModeParameter(modechar);
- 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, SkipAccessChecks);
+ ModeAction ma = TryMode(user, targetuser, targetchannel, item, (!(flags & MODE_CHECKACCESS)));
if (ma != MODEACTION_ALLOW)
continue;
- char needed_pm = adding ? '+' : '-';
+ char needed_pm = item.adding ? '+' : '-';
if (needed_pm != output_pm)
{
output_pm = needed_pm;
output_mode.append(1, output_pm);
}
- output_mode.append(1, modechar);
+ output_mode.push_back(mh->GetModeChar());
- if (pcnt)
+ if (!item.param.empty())
{
- 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);
+ output_parameters.push_back(' ');
+ output_parameters.append(item.param);
}
+ LastChangeList.push(mh, item.adding, item.param);
- if ( (output_mode.length() + output_parameters.str().length() > 450)
+ if ((output_mode.length() + output_parameters.length() > 450)
|| (output_mode.length() > 100)
- || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes))
+ || (LastChangeList.size() >= ServerInstance->Config->Limits.MaxModes))
{
/* mode sequence is getting too long */
break;
}
}
- LastParseParams[0] = output_mode;
-
if (!output_mode.empty())
{
LastParse = targetchannel ? targetchannel->name : targetuser->nick;
LastParse.append(" ");
LastParse.append(output_mode);
- LastParse.append(output_parameters.str());
+ LastParse.append(output_parameters);
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));
- }
- }
- else if (targetchannel && parameters.size() == 2)
- {
- /* Special case for displaying the list for listmodes,
- * e.g. MODE #chan b, or MODE #chan +b without a parameter
- */
- this->DisplayListModes(user, targetchannel, mode_sequence);
+ targetuser->WriteFrom(user, "MODE " + LastParse);
+
+ FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastChangeList, flags, output_mode));
}
+
+ return modes_processed;
}
-void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence)
+void ModeParser::ShowListModeList(User* user, Channel* chan, ModeHandler* mh)
{
- seq++;
-
- for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
{
- unsigned char mletter = *letter;
- if (mletter == '+')
- continue;
-
- /* Ensure the user doesnt request the same mode twice,
- * so they cant flood themselves off out of idiocy.
- */
- if (sent[mletter] == seq)
- continue;
-
- sent[mletter] = seq;
-
- ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL);
-
- if (!mh || !mh->IsListMode())
- 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;
+ return;
bool display = true;
- if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetPrefixValue(user) < HALFOP_VALUE))
- {
- 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;
- }
- 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<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mh->name);
+ for (ModeWatcherMap::iterator 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);
- if (mh->GetPrefix() && FindPrefix(mh->GetPrefix()))
- return false;
+ if (FindPrefix(pm->GetPrefix()))
+ throw ModuleException("Prefix already exists for mode " + mh->name);
+ }
- mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (mh->GetModeChar()-65) | mask;
+ ModeHandler*& slot = modehandlers[mh->GetModeType()][mh->GetModeChar()-65];
+ if (slot)
+ throw ModuleException("Letter is already in use for mode " + mh->name);
- if (modehandlers[pos])
- return false;
+ // 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());
- modehandlers[pos] = mh;
- return true;
+ 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] != mh)
+ 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(); )
+ {
+ const user_hash& users = ServerInstance->Users->GetUsers();
+ for (user_hash::const_iterator i = users.begin(); i != users.end(); )
{
User* user = i->second;
++i;
mh->RemoveMode(user);
}
+ }
break;
case MODETYPE_CHANNEL:
- for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); )
+ {
+ const chan_hash& chans = ServerInstance->GetChans();
+ for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); )
{
// The channel may not be in the hash after RemoveMode(), see m_permchannels
Channel* chan = i->second;
++i;
- mh->RemoveMode(chan);
+
+ Modes::ChangeList changelist;
+ mh->RemoveMode(chan, changelist);
+ this->Process(ServerInstance->FakeClient, chan, NULL, changelist, MODE_LOCALONLY);
}
+ }
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;
+ return NULL;
+}
+
+ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
+{
if ((modeletter < 'A') || (modeletter > 'z'))
return NULL;
- mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (modeletter-65) | mask;
-
- return modehandlers[pos];
+ return modehandlers[mt][modeletter-65];
}
-std::string ModeParser::UserModeList()
+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_USER;
-
- 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::ChannelModeList()
+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])
- modestr[pointer++] = mode;
+ ModeHandler* mh = modehandlers[mt][mode-65];
+ if ((mh) && ((!needparam) || (mh->GetNumParams(true))))
+ modestr.push_back(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)
+PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
{
- 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() == pfxletter))
- {
- return modehandlers[pos];
- }
+ PrefixMode* pm = *i;
+ if (pm->GetPrefix() == pfxletter)
+ return pm;
}
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();
}
}
}
struct PrefixModeSorter
{
- bool operator()(ModeHandler* lhs, ModeHandler* rhs)
+ bool operator()(PrefixMode* lhs, PrefixMode* rhs)
{
return lhs->GetPrefixRank() < rhs->GetPrefixRank();
}
{
std::string mletters;
std::string mprefixes;
- std::vector<ModeHandler*> prefixes;
+ std::vector<PrefixMode*> 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.push_back(modehandlers[pos]);
- }
+ PrefixMode* pm = *i;
+ if (pm->GetPrefix())
+ prefixes.push_back(pm);
}
std::sort(prefixes.begin(), prefixes.end(), PrefixModeSorter());
- for (std::vector<ModeHandler*>::const_reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); ++n)
+ for (std::vector<PrefixMode*>::const_reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); ++n)
{
mletters += (*n)->GetPrefix();
mprefixes += (*n)->GetModeChar();
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 = std::find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
-
- if (a == modewatchers[pos].end())
+ std::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mw->GetModeName());
+ for (ModeWatcherMap::iterator 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)
{
+ // Remove the mode if it's set on the user
if (user->IsModeSet(this->GetModeChar()))
{
- if (stack)
- {
- stack->Push(this->GetModeChar());
- }
- else
- {
- 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);
- }
+ Modes::ChangeList changelist;
+ changelist.push_remove(this);
+ ServerInstance->Modes->Process(ServerInstance->FakeClient, NULL, user, changelist, 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, Modes::ChangeList& changelist)
{
- 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
+ changelist.push_remove(this, channel->GetModeParameter(this));
else
- {
- std::vector<std::string> parameters;
- parameters.push_back(channel->name);
- parameters.push_back("-");
- parameters[1].push_back(this->GetModeChar());
- ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
- }
+ changelist.push_remove(this);
+ }
+}
+
+void PrefixMode::RemoveMode(Channel* chan, Modes::ChangeList& changelist)
+{
+ const Channel::MemberMap& userlist = chan->GetUsers();
+ for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
+ {
+ if (i->second->hasMode(this->GetModeChar()))
+ changelist.push_remove(this, i->first->nick);
}
}
struct builtin_modes
{
- ModeChannelSecret s;
- ModeChannelPrivate p;
- ModeChannelModerated m;
- ModeChannelTopicOps t;
+ SimpleChannelModeHandler s;
+ SimpleChannelModeHandler p;
+ SimpleChannelModeHandler m;
+ SimpleChannelModeHandler t;
- ModeChannelNoExternal n;
- ModeChannelInviteOnly i;
+ SimpleChannelModeHandler n;
+ SimpleChannelModeHandler i;
ModeChannelKey k;
ModeChannelLimit l;
ModeChannelOp o;
ModeChannelVoice v;
- ModeUserWallops uw;
- ModeUserInvisible ui;
+ SimpleUserModeHandler ui;
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);
+ builtin_modes()
+ : s(NULL, "secret", 's')
+ , p(NULL, "private", 'p')
+ , m(NULL, "moderated", 'm')
+ , t(NULL, "topiclock", 't')
+ , n(NULL, "noextmsg", 'n')
+ , i(NULL, "inviteonly", 'i')
+ , ui(NULL, "invisible", 'i')
+ {
+ }
+
+ 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*));
}
};
static builtin_modes static_modes;
+void ModeParser::InitBuiltinModes()
+{
+ static_modes.init();
+ static_modes.b.DoRehash();
+}
+
ModeParser::ModeParser()
{
/* Clear mode handler list */
memset(modehandlers, 0, sizeof(modehandlers));
-
- /* Last parse string */
- LastParse.clear();
-
- seq = 0;
- memset(&sent, 0, sizeof(sent));
-
- static_modes.init(this);
+ memset(modehandlersbyid, 0, sizeof(modehandlersbyid));
}
ModeParser::~ModeParser()
projects / user / henk / code / inspircd.git / blobdiff