#include "inspircd.h"
-#include "builtinmodes.h"
ModeHandler::ModeHandler(Module* Creator, const std::string& Name, char modeletter, ParamSpec Params, ModeType type, Class mclass)
- : ServiceProvider(Creator, Name, SERVICE_MODE), m_paramtype(TR_TEXT),
- parameters_taken(Params), mode(modeletter), oper(false),
- list(false), m_type(type), type_id(mclass), levelrequired(HALFOP_VALUE)
+ : ServiceProvider(Creator, Name, SERVICE_MODE)
+ , modeid(ModeParser::MODEID_MAX)
+ , parameters_taken(Params)
+ , mode(modeletter)
+ , oper(false)
+ , list(false)
+ , m_type(type)
+ , type_id(mclass)
+ , ranktoset(HALFOP_VALUE)
+ , ranktounset(HALFOP_VALUE)
{
}
CullResult ModeHandler::cull()
{
- if (ServerInstance->Modes)
+ if (ServerInstance)
ServerInstance->Modes->DelMode(this);
return classbase::cull();
}
{
}
-int ModeHandler::GetNumParams(bool adding)
+bool ModeHandler::NeedsParam(bool adding) const
{
switch (parameters_taken)
{
case PARAM_ALWAYS:
- return 1;
+ return true;
case PARAM_SETONLY:
- return adding ? 1 : 0;
+ return adding;
case PARAM_NONE:
break;
}
- return 0;
+ return false;
}
-std::string ModeHandler::GetUserParameter(User* user)
+std::string ModeHandler::GetUserParameter(const User* user) const
{
return "";
}
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
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;
- return MODEACTION_ALLOW;
-}
-
-bool ParamChannelModeHandler::ParamValidate(std::string& parameter)
-{
- return true;
-}
-
ModeWatcher::ModeWatcher(Module* Creator, const std::string& modename, ModeType type)
: mode(modename), m_type(type), creator(Creator)
{
+ ServerInstance->Modes->AddModeWatcher(this);
}
ModeWatcher::~ModeWatcher()
{
-}
-
-ModeType ModeWatcher::GetModeType()
-{
- return m_type;
+ ServerInstance->Modes->DelModeWatcher(this);
}
bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool)
{
}
-void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
+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)
+ , selfremove(true)
{
- if (targetchannel)
- {
- /* Display channel's current mode string */
- 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", 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, ":Can't view modes for other users");
- return;
- }
- }
+ list = true;
}
-PrefixMode::PrefixMode(Module* Creator, const std::string& Name, char ModeLetter)
- : ModeHandler(Creator, Name, ModeLetter, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_PREFIX)
- , prefix(0), prefixrank(0)
+ModResult PrefixMode::AccessCheck(User* src, Channel*, std::string& value, bool adding)
{
- list = true;
- m_paramtype = TR_NICK;
+ if (!adding && src->nick == value && selfremove)
+ return MOD_RES_ALLOW;
+ return MOD_RES_PASSTHRU;
}
ModeAction PrefixMode::OnModeChange(User* source, User*, Channel* chan, std::string& parameter, bool adding)
{
- User* target = ServerInstance->FindNick(parameter);
+ 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());
+ source->WriteNumeric(Numerics::NoSuchNick(parameter));
return MODEACTION_DENY;
}
return (memb->SetPrefix(this, adding) ? MODEACTION_ALLOW : MODEACTION_DENY);
}
-ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar,
- std::string ¶meter, bool SkipACL)
+void PrefixMode::Update(unsigned int rank, unsigned int setrank, unsigned int unsetrank, bool selfrm)
+{
+ prefixrank = rank;
+ ranktoset = setrank;
+ ranktounset = unsetrank;
+ selfremove = selfrm;
+}
+
+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, Modes::Change& mcitem, bool SkipACL)
{
ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER;
- ModeHandler *mh = FindMode(modechar, type);
- int pcnt = mh->GetNumParams(adding);
+ ModeHandler* mh = mcitem.mh;
+ bool adding = mcitem.adding;
+ const bool needs_param = mh->NeedsParam(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);
return MODEACTION_DENY;
if (MOD_RESULT == MOD_RES_PASSTHRU)
{
- unsigned int neededrank = mh->GetLevelRequired();
+ unsigned int neededrank = mh->GetLevelRequired(adding);
/* Compare our rank on the channel against the rank of the required prefix,
* allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
* in NAMES(X) are not in rank order, we know the most powerful mode is listed
unsigned int ourrank = chan->GetPrefixValue(user);
if (ourrank < neededrank)
{
- PrefixMode* neededmh = NULL;
- for(char c='A'; c <= 'z'; c++)
+ const PrefixMode* neededmh = NULL;
+ const PrefixModeList& prefixmodes = GetPrefixModes();
+ for (PrefixModeList::const_iterator i = prefixmodes.begin(); i != prefixmodes.end(); ++i)
{
- PrefixMode* privmh = FindPrefixMode(c);
- if (privmh && privmh->GetPrefixRank() >= neededrank)
+ const PrefixMode* const privmh = *i;
+ if (privmh->GetPrefixRank() >= neededrank)
{
// this mode is sufficient to allow this action
if (!neededmh || privmh->GetPrefixRank() < neededmh->GetPrefixRank())
}
}
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);
+ 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 :You cannot %sset channel mode %c",
- 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;
}
}
}
// 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)
+ std::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mh->name);
+ for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
{
ModeWatcher* mw = i->second;
if (mw->GetModeType() == type)
return MODEACTION_DENY;
// A module whacked the parameter completely, and there was one. Abort.
- if (pcnt && parameter.empty())
+ if ((needs_param) && (parameter.empty()))
return MODEACTION_DENY;
}
}
if (IS_LOCAL(user) && !user->IsOper())
{
- char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
- if (disabled[modechar - 'A'])
+ const std::bitset<64>& disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes;
+ if (disabled.test(modechar - 'A'))
{
- user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - %s mode %c has been locked by the administrator",
- 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))
+ if ((adding) && (IS_LOCAL(user)) && (mh->NeedsOper()) && (!user->HasModePermission(mh)))
{
/* It's an oper only mode, and they don't have access to it. */
if (user->IsOper())
{
- 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);
+ 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, ":Permission Denied - Only operators may set %s mode %c",
- 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;
}
/* Call the handler for the mode */
ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding);
- if (pcnt && parameter.empty())
+ if ((needs_param) && (parameter.empty()))
return MODEACTION_DENY;
if (ma != MODEACTION_ALLOW)
return ma;
- if ((!mh->IsListMode()) && (mh->GetNumParams(true)) && (chan))
- chan->SetModeParam(mh, (adding ? parameter : ""));
-
itpair = modewatchermap.equal_range(mh->name);
- for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
+ for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
{
ModeWatcher* mw = i->second;
if (mw->GetModeType() == type)
return MODEACTION_ALLOW;
}
-void ModeParser::Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags)
+void ModeParser::ModeParamsToChangeList(User* user, ModeType type, const std::vector<std::string>& parameters, Modes::ChangeList& changelist, unsigned int beginindex, unsigned int endindex)
{
- std::string target = parameters[0];
- Channel* targetchannel = ServerInstance->FindChan(target);
- User* targetuser = ServerInstance->FindNick(target);
- ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
-
- LastParse.clear();
- LastParseParams.clear();
- LastParseTranslate.clear();
-
- if ((!targetchannel) && ((!targetuser) || (IS_SERVER(targetuser))))
- {
- user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", 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 (endindex > parameters.size())
+ endindex = parameters.size();
- if (!IS_LOCAL(user) || MOD_RESULT == MOD_RES_ALLOW)
- SkipAccessChecks = true;
- else if (MOD_RESULT == MOD_RES_DENY)
- return;
-
- if (targetuser && !SkipAccessChecks && user != targetuser)
- {
- 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);
- 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->WriteNumeric(type == MODETYPE_CHANNEL ? ERR_UNKNOWNMODE : ERR_UNKNOWNSNOMASK, "%c :is unknown mode char to me", 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);
+ if ((mh->NeedsParam(adding)) && (param_at < endindex))
+ parameter = parameters[param_at++];
+
+ 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 a mode change has been given for a mode that does not exist then reject
+ // it. This can happen when core_reloadmodule attempts to restore a mode that
+ // no longer exists.
+ if (!mh)
continue;
- }
- else if (pcnt)
+
+ // 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->NeedsParam(item.adding))
{
- parameter = parameters[param_at++];
- /* Make sure the user isn't trying to slip in an invalid parameter */
- if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
+ // 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 ((flags & MODE_MERGE) && targetchannel && targetchannel->IsModeSet(mh) && !mh->IsListMode())
- {
- std::string ours = targetchannel->GetModeParameter(mh);
- if (!mh->ResolveModeConflict(parameter, ours, targetchannel))
- /* we won the mode merge, don't apply this mode */
- continue;
- }
}
- ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, 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())
{
- output_parameters << " " << parameter;
- LastParseParams.push_back(parameter);
- LastParseTranslate.push_back(mh->GetTranslateType());
+ 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());
-
- if (!(flags & MODE_LOCALONLY))
- ServerInstance->PI->SendMode(user, targetuser, targetchannel, LastParseParams, LastParseTranslate);
+ LastParse.append(output_parameters);
if (targetchannel)
targetchannel->WriteChannel(user, "MODE " + LastParse);
else
targetuser->WriteFrom(user, "MODE " + LastParse);
- FOREACH_MOD(OnMode, (user, targetuser, targetchannel, LastParseParams, LastParseTranslate));
- }
- else if (targetchannel && parameters.size() == 2)
- {
- /* 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);
+ 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 :You do not have access to view the +%c list",
- chan->name.c_str(), mletter);
- display = false;
- }
// 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::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mh->name);
+ for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
{
ModeWatcher* mw = i->second;
if (mw->GetModeType() == MODETYPE_CHANNEL)
}
}
-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;
+ }
- /* 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'))
- return false;
+ throw ModuleException("Out of ModeIds");
+}
+
+void ModeParser::AddMode(ModeHandler* mh)
+{
+ if (!ModeParser::IsModeChar(mh->GetModeChar()))
+ 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.
if (pm)
{
if ((pm->GetPrefix() > 126) || (pm->GetPrefix() == ',') || (pm->GetPrefix() == ':') || (pm->GetPrefix() == '#'))
- return false;
+ throw ModuleException("Invalid prefix for mode " + mh->name);
if (FindPrefix(pm->GetPrefix()))
- return false;
+ 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());
+
+ 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
- modehandlers[pos] = mh;
+
+ // 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();
- return true;
}
bool ModeParser::DelMode(ModeHandler* mh)
{
- unsigned char mask = 0;
- unsigned char pos = 0;
-
- if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
+ if (!ModeParser::IsModeChar(mh->GetModeChar()))
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;
- 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());
- }
+ 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())
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;
+ return NULL;
+}
- mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (modeletter-65) | mask;
+ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
+{
+ if (!ModeParser::IsModeChar(modeletter))
+ return NULL;
- return modehandlers[pos];
+ return modehandlers[mt][modeletter-65];
}
PrefixMode* ModeParser::FindPrefixMode(unsigned char modeletter)
std::string ModeParser::CreateModeList(ModeType mt, bool needparam)
{
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;
-
- if ((modehandlers[pos]) && ((!needparam) || (modehandlers[pos]->GetNumParams(true))))
+ ModeHandler* mh = modehandlers[mt][mode-65];
+ if ((mh) && ((!needparam) || (mh->NeedsParam(true))))
modestr.push_back(mode);
}
void ModeParser::RecreateModeListFor004Numeric()
{
- Cached004ModeList = CreateModeList(MODETYPE_USER) + " " + CreateModeList(MODETYPE_CHANNEL) + " " + CreateModeList(MODETYPE_CHANNEL, true);
+ Cached004ModeList[0] = CreateModeList(MODETYPE_USER);
+ Cached004ModeList[1] = CreateModeList(MODETYPE_CHANNEL);
+ Cached004ModeList[2] = CreateModeList(MODETYPE_CHANNEL, true);
}
PrefixMode* ModeParser::FindPrefix(unsigned const char pfxletter)
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->NeedsParam(true))
{
- PrefixMode* pm = modehandlers[pos]->IsPrefixMode();
- if ((modehandlers[pos]->IsListMode()) && ((!pm) || (pm->GetPrefix() == 0)))
+ 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->NeedsParam(false))
{
/* But not a list mode */
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;
}
+struct PrefixModeSorter
+{
+ bool operator()(PrefixMode* lhs, PrefixMode* rhs)
+ {
+ return lhs->GetPrefixRank() < rhs->GetPrefixRank();
+ }
+};
+
std::string ModeParser::BuildPrefixes(bool lettersAndModes)
{
std::string mletters;
std::string mprefixes;
- std::map<int,std::pair<char,char> > prefixes;
+ std::vector<PrefixMode*> prefixes;
const PrefixModeList& list = GetPrefixModes();
for (PrefixModeList::const_iterator i = list.begin(); i != list.end(); ++i)
{
PrefixMode* pm = *i;
if (pm->GetPrefix())
- prefixes[pm->GetPrefixRank()] = std::make_pair(pm->GetPrefix(), pm->GetModeChar());
+ prefixes.push_back(pm);
}
- for(std::map<int,std::pair<char,char> >::reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); n++)
+ std::sort(prefixes.begin(), prefixes.end(), PrefixModeSorter());
+ for (std::vector<PrefixMode*>::const_reverse_iterator n = prefixes.rbegin(); n != prefixes.rend(); ++n)
{
- mletters = mletters + n->second.first;
- mprefixes = mprefixes + n->second.second;
+ mletters += (*n)->GetPrefix();
+ mprefixes += (*n)->GetModeChar();
}
return lettersAndModes ? "(" + mprefixes + ")" + mletters : mletters;
bool ModeParser::DelModeWatcher(ModeWatcher* mw)
{
- std::pair<ModeWatchIter, ModeWatchIter> itpair = modewatchermap.equal_range(mw->GetModeName());
- for (ModeWatchIter i = itpair.first; i != itpair.second; ++i)
+ std::pair<ModeWatcherMap::iterator, ModeWatcherMap::iterator> itpair = modewatchermap.equal_range(mw->GetModeName());
+ for (ModeWatcherMap::iterator i = itpair.first; i != itpair.second; ++i)
{
if (i->second == mw)
{
// Remove the mode if it's set on the user
if (user->IsModeSet(this->GetModeChar()))
{
- 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);
+ Modes::ChangeList changelist;
+ changelist.push_remove(this);
+ ServerInstance->Modes->Process(ServerInstance->FakeClient, NULL, user, changelist, ModeParser::MODE_LOCALONLY);
}
}
-void ModeHandler::RemoveMode(Channel* channel, irc::modestacker& stack)
+void ModeHandler::RemoveMode(Channel* channel, Modes::ChangeList& changelist)
{
if (channel->IsModeSet(this))
{
- if (this->GetNumParams(false))
+ if (this->NeedsParam(false))
// Removing this mode requires a parameter
- stack.Push(this->GetModeChar(), channel->GetModeParameter(this));
+ changelist.push_remove(this, channel->GetModeParameter(this));
else
- stack.Push(this->GetModeChar());
+ changelist.push_remove(this);
}
}
-void PrefixMode::RemoveMode(Channel* chan, irc::modestacker& stack)
+void PrefixMode::RemoveMode(Channel* chan, Modes::ChangeList& changelist)
{
- const UserMembList* userlist = chan->GetUsers();
- for (UserMembCIter i = userlist->begin(); i != userlist->end(); ++i)
+ const Channel::MemberMap& userlist = chan->GetUsers();
+ for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
{
- if (i->second->hasMode(this->GetModeChar()))
- stack.Push(this->GetModeChar(), i->first->nick);
+ if (i->second->HasMode(this))
+ changelist.push_remove(this, i->first->nick);
}
}
-struct builtin_modes
+bool ModeParser::IsModeChar(char chr)
{
- ModeChannelSecret s;
- ModeChannelPrivate p;
- ModeChannelModerated m;
- ModeChannelTopicOps t;
-
- ModeChannelNoExternal n;
- ModeChannelInviteOnly i;
- ModeChannelKey k;
- ModeChannelLimit l;
-
- ModeChannelBan b;
- ModeChannelOp o;
- ModeChannelVoice v;
-
- ModeUserWallops uw;
- ModeUserInvisible ui;
- ModeUserOperator uo;
- ModeUserServerNoticeMask us;
-
- void init()
- {
- ServiceProvider* modes[] = { &s, &p, &m, &t, &n, &i, &k, &l, &b, &o, &v,
- &uw, &ui, &uo, &us };
- ServerInstance->Modules->AddServices(modes, sizeof(modes)/sizeof(ServiceProvider*));
- }
-};
-
-static builtin_modes static_modes;
-
-void ModeParser::InitBuiltinModes()
-{
- static_modes.init();
- static_modes.b.DoRehash();
+ return ((chr >= 'A' && chr <= 'Z') || (chr >= 'a' && chr <= 'z'));
}
ModeParser::ModeParser()
{
/* Clear mode handler list */
memset(modehandlers, 0, sizeof(modehandlers));
-
- seq = 0;
- memset(&sent, 0, sizeof(sent));
+ memset(modehandlersbyid, 0, sizeof(modehandlersbyid));
}
ModeParser::~ModeParser()