X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmode.cpp;h=290933ab64bd9566f47d9321ac00cf9a14c473c2;hb=b612881ec950c1d2c57afe4fdea16d83830890db;hp=05d35c1030a10b82666c8b823fe8dc0f125650df;hpb=91f53565886e008ca4bb1ff9ee0b409f4d3bad13;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/mode.cpp b/src/mode.cpp index 05d35c103..290933ab6 100644 --- a/src/mode.cpp +++ b/src/mode.cpp @@ -3,58 +3,62 @@ * +------------------------------------+ * * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * E-mail: + * + * * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ using namespace std; -#include "inspircd_config.h" #include "inspircd.h" -#include "configreader.h" -#include -#include -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include -#include -#include "connection.h" #include "users.h" -#include "ctables.h" -#include "globals.h" #include "modules.h" -#include "dynamic.h" -#include "wildcard.h" -#include "message.h" -#include "commands.h" -#include "xline.h" #include "inspstring.h" -#include "helperfuncs.h" #include "mode.h" -extern int MODCOUNT; -extern std::vector modules; -extern std::vector factory; -extern InspIRCd* ServerInstance; -extern ServerConfig* Config; - -extern time_t TIME; - -ModeHandler::ModeHandler(char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly) : mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly) +/* +s (secret) */ +#include "modes/cmode_s.h" +/* +p (private) */ +#include "modes/cmode_p.h" +/* +b (bans) */ +#include "modes/cmode_b.h" +/* +m (moderated) */ +#include "modes/cmode_m.h" +/* +t (only (half) ops can change topic) */ +#include "modes/cmode_t.h" +/* +n (no external messages) */ +#include "modes/cmode_n.h" +/* +i (invite only) */ +#include "modes/cmode_i.h" +/* +k (keyed channel) */ +#include "modes/cmode_k.h" +/* +l (channel user limit) */ +#include "modes/cmode_l.h" +/* +o (channel op) */ +#include "modes/cmode_o.h" +/* +h (channel halfop) */ +#include "modes/cmode_h.h" +/* +v (channel voice) */ +#include "modes/cmode_v.h" +/* +s (server notices) */ +#include "modes/umode_s.h" +/* +w (see wallops) */ +#include "modes/umode_w.h" +/* +i (invisible) */ +#include "modes/umode_i.h" +/* +o (operator) */ +#include "modes/umode_o.h" +/* +n (notice mask - our implementation of snomasks) */ +#include "modes/umode_n.h" + +ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly, char mprefix) + : ServerInstance(Instance), mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly), prefix(mprefix) { } @@ -67,6 +71,11 @@ bool ModeHandler::IsListMode() return list; } +unsigned int ModeHandler::GetPrefixRank() +{ + return 0; +} + ModeType ModeHandler::GetModeType() { return m_type; @@ -77,6 +86,11 @@ bool ModeHandler::NeedsOper() return oper; } +char ModeHandler::GetPrefix() +{ + return prefix; +} + int ModeHandler::GetNumParams(bool adding) { return adding ? n_params_on : n_params_off; @@ -92,6 +106,18 @@ ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* ch return MODEACTION_DENY; } +ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter) +{ + if (dest) + { + return std::make_pair(dest->IsModeSet(this->mode), ""); + } + else + { + return std::make_pair(channel->IsModeSet(this->mode), ""); + } +} + void ModeHandler::DisplayList(userrec* user, chanrec* channel) { } @@ -101,7 +127,7 @@ bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string & return (ours < theirs); } -ModeWatcher::ModeWatcher(char modeletter, ModeType type) : mode(modeletter), m_type(type) +ModeWatcher::ModeWatcher(InspIRCd* Instance, char modeletter, ModeType type) : ServerInstance(Instance), mode(modeletter), m_type(type) { } @@ -128,386 +154,215 @@ void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, co { } -userrec* ModeParser::SanityChecks(userrec *user,char *dest,chanrec *chan,int status) +userrec* ModeParser::SanityChecks(userrec *user,const char *dest,chanrec *chan,int status) { userrec *d; if ((!user) || (!dest) || (!chan) || (!*dest)) { return NULL; } - d = Find(dest); + d = ServerInstance->FindNick(dest); if (!d) { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); + user->WriteServ("401 %s %s :No such nick/channel",user->nick, dest); return NULL; } return d; } -char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK) +const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK) { if (!chan) - return NULL; + return ""; for (std::vector::const_iterator i = d->chans.begin(); i != d->chans.end(); i++) { - if (((ucrec*)(*i))->channel == chan) + ucrec* n = (ucrec*)(*i); + if (n->channel == chan) { - if (((ucrec*)(*i))->uc_modes & MASK) + if (n->uc_modes & MASK) { - return NULL; + return ""; } - ((ucrec*)(*i))->uc_modes = ((ucrec*)(*i))->uc_modes | MASK; + n->uc_modes = n->uc_modes | MASK; switch (MASK) { case UCMODE_OP: - ((ucrec*)(*i))->channel->AddOppedUser(d); + n->channel->AddOppedUser(d); break; case UCMODE_HOP: - ((ucrec*)(*i))->channel->AddHalfoppedUser(d); + n->channel->AddHalfoppedUser(d); break; case UCMODE_VOICE: - ((ucrec*)(*i))->channel->AddVoicedUser(d); + n->channel->AddVoicedUser(d); break; } - log(DEBUG,"grant: %s %s",((ucrec*)(*i))->channel->name,d->nick); + ServerInstance->Log(DEBUG,"grant: %s %s",n->channel->name,d->nick); return d->nick; } } - return NULL; + return ""; } -char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK) +const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK) { if (!chan) - return NULL; + return ""; for (std::vector::const_iterator i = d->chans.begin(); i != d->chans.end(); i++) { - if (((ucrec*)(*i))->channel == chan) + ucrec* n = (ucrec*)(*i); + if (n->channel == chan) { - if ((((ucrec*)(*i))->uc_modes & MASK) == 0) + if ((n->uc_modes & MASK) == 0) { - return NULL; + return ""; } - ((ucrec*)(*i))->uc_modes ^= MASK; + n->uc_modes ^= MASK; switch (MASK) { case UCMODE_OP: - ((ucrec*)(*i))->channel->DelOppedUser(d); + n->channel->DelOppedUser(d); break; case UCMODE_HOP: - ((ucrec*)(*i))->channel->DelHalfoppedUser(d); + n->channel->DelHalfoppedUser(d); break; case UCMODE_VOICE: - ((ucrec*)(*i))->channel->DelVoicedUser(d); + n->channel->DelVoicedUser(d); break; } - log(DEBUG,"revoke: %s %s",((ucrec*)(*i))->channel->name,d->nick); + ServerInstance->Log(DEBUG,"revoke: %s %s",n->channel->name,d->nick); return d->nick; } } - return NULL; -} - -char* ModeParser::GiveOps(userrec *user,char *dest,chanrec *chan,int status) -{ - userrec *d = this->SanityChecks(user,dest,chan,status); - - if (d) - { - if (IS_LOCAL(user)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_OP)); - - if (MOD_RESULT == ACR_DENY) - return NULL; - if (MOD_RESULT == ACR_DEFAULT) - { - if ((status < STATUS_OP) && (!is_uline(user->server))) - { - WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name); - return NULL; - } - } - } - - return this->Grant(d,chan,UCMODE_OP); - } - return NULL; -} - -char* ModeParser::GiveHops(userrec *user,char *dest,chanrec *chan,int status) -{ - userrec *d = this->SanityChecks(user,dest,chan,status); - - if (d) - { - if (IS_LOCAL(user)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_HALFOP)); - - if (MOD_RESULT == ACR_DENY) - return NULL; - if (MOD_RESULT == ACR_DEFAULT) - { - if ((status < STATUS_OP) && (!is_uline(user->server))) - { - WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name); - return NULL; - } - } - } - - return this->Grant(d,chan,UCMODE_HOP); - } - return NULL; + return ""; } -char* ModeParser::GiveVoice(userrec *user,char *dest,chanrec *chan,int status) +void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text) { - userrec *d = this->SanityChecks(user,dest,chan,status); - - if (d) + if (targetchannel) { - if (IS_LOCAL(user)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_VOICE)); - - if (MOD_RESULT == ACR_DENY) - return NULL; - if (MOD_RESULT == ACR_DEFAULT) - { - if ((status < STATUS_HOP) && (!is_uline(user->server))) - { - WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name); - return NULL; - } - } - } - - return this->Grant(d,chan,UCMODE_VOICE); + /* Display channel's current mode string */ + user->WriteServ("324 %s %s +%s",user->nick, targetchannel->name, targetchannel->ChanModes(targetchannel->HasUser(user))); + user->WriteServ("329 %s %s %d", user->nick, targetchannel->name, targetchannel->created); + return; } - return NULL; -} - -char* ModeParser::TakeOps(userrec *user,char *dest,chanrec *chan,int status) -{ - userrec *d = this->SanityChecks(user,dest,chan,status); - - if (d) + else if (targetuser) { - if (IS_LOCAL(user)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEOP)); - - if (MOD_RESULT == ACR_DENY) - return NULL; - if (MOD_RESULT == ACR_DEFAULT) - { - if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user))) - { - WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name); - return NULL; - } - } - } - - return this->Revoke(d,chan,UCMODE_OP); + /* Display user's current mode string */ + user->WriteServ("221 %s :+%s",targetuser->nick,targetuser->FormatModes()); + if (*targetuser->oper) + user->WriteServ("008 %s +%s :Server notice mask", targetuser->nick, targetuser->FormatNoticeMasks()); + return; } - return NULL; -} - -char* ModeParser::TakeHops(userrec *user,char *dest,chanrec *chan,int status) -{ - userrec *d = this->SanityChecks(user,dest,chan,status); - - if (d) - { - if (IS_LOCAL(user)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEHALFOP)); - - if (MOD_RESULT == ACR_DENY) - return NULL; - if (MOD_RESULT == ACR_DEFAULT) - { - /* Tweak by Brain suggested by w00t, allow a halfop to dehalfop themselves */ - if ((user != d) && ((status < STATUS_OP) && (!is_uline(user->server)))) - { - WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name); - return NULL; - } - } - } - return this->Revoke(d,chan,UCMODE_HOP); - } - return NULL; + /* No such nick/channel */ + user->WriteServ("401 %s %s :No such nick/channel",user->nick, text); + return; } -char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status) +void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode) { - userrec *d = this->SanityChecks(user,dest,chan,status); - - if (d) - { - if (IS_LOCAL(user)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEVOICE)); - - if (MOD_RESULT == ACR_DENY) - return NULL; - if (MOD_RESULT == ACR_DEFAULT) - { - if ((status < STATUS_HOP) && (!is_uline(user->server))) - { - WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name); - return NULL; - } - } + std::string target = parameters[0]; + ModeType type = MODETYPE_USER; + unsigned char mask = 0; + chanrec* targetchannel = ServerInstance->FindChan(parameters[0]); + userrec* targetuser = ServerInstance->FindNick(parameters[0]); + + ServerInstance->Log(DEBUG,"ModeParser::Process start"); + + /* Special case for displaying the list for listmodes, + * e.g. MODE #chan b, or MODE #chan +b without a parameter + */ + if ((targetchannel) && (pcnt == 2)) + { + ServerInstance->Log(DEBUG,"Spool list"); + const char* mode = parameters[1]; + if (*mode == '+') + mode++; + unsigned char handler_id = ((*mode) - 65) | MASK_CHANNEL; + ModeHandler* mh = modehandlers[handler_id]; + if ((mh) && (mh->IsListMode())) + { + mh->DisplayList(user, targetchannel); + return; } - - return this->Revoke(d,chan,UCMODE_VOICE); - } - return NULL; -} - -char* ModeParser::AddBan(userrec *user,char *dest,chanrec *chan,int status) -{ - BanItem b; - int toomanyexclamation = 0; - int toomanyat = 0; - - if ((!user) || (!dest) || (!chan) || (!*dest)) - { - log(DEFAULT,"*** BUG *** AddBan was given an invalid parameter"); - return NULL; } - for (char* i = dest; *i; i++) + if (pcnt == 1) { - if ((*i < 32) || (*i > 126)) - { - return NULL; - } - else if (*i == '!') - { - toomanyexclamation++; - } - else if (*i == '@') - { - toomanyat++; - } + ServerInstance->Log(DEBUG,"Mode list request"); + this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]); } - - if (toomanyexclamation != 1 || toomanyat != 1) - /* - * this stops sillyness like n!u!u!u@h, though note that most - * ircds don't actually verify banmask validity. --w00t - */ - return NULL; - - long maxbans = GetMaxBans(chan->name); - if ((unsigned)chan->bans.size() > (unsigned)maxbans) + else if (pcnt > 1) { - WriteServ(user->fd,"478 %s %s :Channel ban list for %s is full (maximum entries for this channel is %d)",user->nick, chan->name,chan->name,maxbans); - return NULL; - } + ServerInstance->Log(DEBUG,"More than one parameter"); - log(DEBUG,"AddBan: %s %s",chan->name,user->nick); - - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAddBan,OnAddBan(user,chan,dest)); - if (MOD_RESULT) - return NULL; - - TidyBan(dest); - for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++) - { - if (!strcasecmp(i->data,dest)) + if (targetchannel) { - // dont allow a user to set the same ban twice - return NULL; - } - } - - b.set_time = TIME; - strlcpy(b.data,dest,MAXBUF); - if (*user->nick) - { - strlcpy(b.set_by,user->nick,NICKMAX-1); - } - else - { - strlcpy(b.set_by,Config->ServerName,NICKMAX-1); - } - chan->bans.push_back(b); - return dest; -} + type = MODETYPE_CHANNEL; + mask = MASK_CHANNEL; -char* ModeParser::TakeBan(userrec *user,char *dest,chanrec *chan,int status) -{ - if ((!user) || (!dest) || (!chan) || (!*dest)) { - log(DEFAULT,"*** BUG *** TakeBan was given an invalid parameter"); - return 0; - } + /* Extra security checks on channel modes + * (e.g. are they a (half)op? + */ - log(DEBUG,"del_ban: %s %s",chan->name,user->nick); - for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++) - { - if (!strcasecmp(i->data,dest)) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnDelBan,OnDelBan(user,chan,dest)); - if (MOD_RESULT) - return NULL; - chan->bans.erase(i); - return dest; - } - } - return NULL; -} + if ((IS_LOCAL(user)) && (targetchannel->GetStatus(user) < STATUS_HOP)) + { + /* We don't have halfop */ + ServerInstance->Log(DEBUG,"The user is not a halfop or above, checking other reasons for being able to set the modes"); -void ModeParser::Process(char **parameters, int pcnt, userrec *user) -{ - std::string target = parameters[0]; - ModeType type = MODETYPE_USER; - chanrec* targetchannel = FindChan(parameters[0]); - userrec* targetuser = Find(parameters[0]); + int MOD_RESULT = 0; + FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, targetchannel, AC_GENERAL_MODE)); + if (MOD_RESULT == ACR_DENY) + return; - if (pcnt > 1) - { - if (targetchannel) - { - type = MODETYPE_CHANNEL; + if (MOD_RESULT == ACR_DEFAULT) + { + /* Are we a uline or is it a servermode? */ + if ((!ServerInstance->ULine(user->server)) && (!servermode)) + { + /* Not enough permission: + * NOT a uline and NOT a servermode, + * OR, NOT halfop or above. + */ + user->WriteServ("482 %s %s :You're not a channel (half)operator",user->nick, targetchannel->name); + return; + } + } + } } else if (targetuser) { type = MODETYPE_USER; + mask = MASK_USER; } else { /* No such nick/channel */ + user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]); return; } + std::string mode_sequence = parameters[1]; std::string parameter = ""; - std::istringstream parameter_list; + std::ostringstream parameter_list; std::string output_sequence = ""; bool adding = true, state_change = false; - int handler_id = 0; + unsigned char handler_id = 0; int parameter_counter = 2; /* Index of first parameter */ - for (std::string::const_iterator modeletter = mode_sequence.begin(); modeletter != mode_sequence.end(); modeletter++) + /* A mode sequence that doesnt start with + or -. Assume +. - Thanks for the suggestion spike (bug#132) */ + if ((*mode_sequence.begin() != '+') && (*mode_sequence.begin() != '-')) + mode_sequence.insert(0, "+"); + + for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++) { - switch (*modeletter) + unsigned char modechar = *letter; + + ServerInstance->Log(DEBUG,"Process letter %c", modechar); + + switch (modechar) { /* NB: * For + and - mode characters, we don't just stick the character into the output sequence. @@ -532,16 +387,23 @@ void ModeParser::Process(char **parameters, int pcnt, userrec *user) continue; break; default: - if (state_change) - output_sequence.append(adding ? "+" : "-"); - handler_id = *modeletter-65; - state_change = false; + /** + * Watch carefully for the sleight of hand trick. + * 65 is the ascii value of 'A'. We take this from + * the char we're looking at to get a number between + * 1 and 127. We then logic-or it to get the hashed + * position, dependent on wether its a channel or + * a user mode. This is a little stranger, but a lot + * faster, than using a map of pairs. + */ + handler_id = (modechar - 65) | mask; if (modehandlers[handler_id]) { bool abort = false; - for (std::vector::iterator watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) + + for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) { if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY) abort = true; @@ -550,1176 +412,514 @@ void ModeParser::Process(char **parameters, int pcnt, userrec *user) { if (modehandlers[handler_id]->GetNumParams(adding)) { - if (pcnt < parameter_counter) + /* This mode expects a parameter, do we have any parameters left in our list to use? */ + if (parameter_counter < pcnt) { parameter = parameters[parameter_counter++]; + + /* Yerk, invalid! */ + if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos)) + parameter = ""; } else { - parameter = ""; + /* No parameter, continue to the next mode */ + continue; } } + + /* It's an oper only mode, check if theyre an oper. If they arent, + * eat any parameter that came with the mode, and continue to next + */ + if ((IS_LOCAL(user)) && (modehandlers[handler_id]->NeedsOper()) && (!*user->oper)) + { + user->WriteServ("481 %s :Permission Denied- Only IRC operators may %sset %s mode %c", user->nick, + adding ? "" : "un", type == MODETYPE_CHANNEL ? "channel" : "user", + modehandlers[handler_id]->GetModeChar()); + continue; + } + + /* Call the handler for the mode */ ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding); - if (ma == MODEACTION_ALLOW) + + if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == "")) { - output_sequence = output_sequence + *modeletter; + /* The handler nuked the parameter and they are supposed to have one. + * We CANT continue now, even if they actually returned MODEACTION_ALLOW, + * so we bail to the next mode character. + */ + continue; + } + if (ma == MODEACTION_ALLOW) + { + /* We're about to output a valid mode letter - was there previously a pending state-change? */ + if (state_change) + output_sequence.append(adding ? "+" : "-"); + + /* Add the mode letter */ + output_sequence.push_back(modechar); + + /* Is there a valid parameter for this mode? If so add it to the parameter list */ if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != "")) { - parameter = " " + parameter; - parameter_list >> parameter; + parameter_list << " " << parameter; + /* Does this mode have a prefix? */ + if (modehandlers[handler_id]->GetPrefix() && targetchannel) + { + userrec* user_to_prefix = ServerInstance->FindNick(parameter); + if (user_to_prefix) + targetchannel->SetPrefix(user_to_prefix, modehandlers[handler_id]->GetPrefix(), + modehandlers[handler_id]->GetPrefixRank(), adding); + } } - for (std::vector::iterator watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) - { + /* Call all the AfterMode events in the mode watchers for this mode */ + for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type); - } + + /* Reset the state change flag */ + state_change = false; } } } + else + { + /* No mode handler? Unknown mode character then. */ + user->WriteServ("472 %s %c :is unknown mode char to me",user->nick, modechar); + } break; } } + /* Was there at least one valid mode in the sequence? */ + if (output_sequence != "") + { + if (servermode) + { + if (type == MODETYPE_CHANNEL) + { + targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s %s%s", targetchannel->name, output_sequence.c_str(), parameter_list.str().c_str()); + } + else + { + targetuser->WriteServ("MODE %s %s%s",targetuser->nick,output_sequence.c_str(), parameter_list.str().c_str()); + } + } + else + { + if (type == MODETYPE_CHANNEL) + { + ServerInstance->Log(DEBUG,"Write output sequence and parameters to channel: %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str()); + targetchannel->WriteChannel(user,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str()); + FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, output_sequence + parameter_list.str())); + } + else + { + user->WriteTo(targetuser,"MODE %s %s%s",targetuser->nick,output_sequence.c_str(), parameter_list.str().c_str()); + FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence)); + } + } + } } } -std::string ModeParser::CompressModes(std::string modes,bool channelmodes) +void ModeParser::CleanMask(std::string &mask) { - return ""; + std::string::size_type pos_of_pling = mask.find_first_of('!'); + std::string::size_type pos_of_at = mask.find_first_of('@'); + std::string::size_type pos_of_dot = mask.find_first_of('.'); + std::string::size_type pos_of_colon = mask.find_first_of(':'); /* Because ipv6 addresses are colon delimited */ + + if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos)) + { + /* Just a nick, or just a host */ + if ((pos_of_dot == std::string::npos) && (pos_of_colon == std::string::npos)) + { + /* It has no '.' in it, it must be a nick. */ + mask.append("!*@*"); + } + else + { + /* Got a dot in it? Has to be a host */ + mask = "*!*@" + mask; + } + } + else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos)) + { + /* Has an @ but no !, its a user@host */ + mask = "*!" + mask; + } + else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos)) + { + /* Has a ! but no @, it must be a nick!ident */ + mask.append("@*"); + } } -void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local) +bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter) { - if ((!parameters) || (pcnt < 2)) { - return; - } + unsigned char mask = 0; + unsigned char pos = 0; + + /* 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; + + /* 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 ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':')) + return false; + + mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (mh->GetModeChar()-65) | mask; + + if (modehandlers[pos]) + return false; + + modehandlers[pos] = mh; + ServerInstance->Log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar()); + return true; +} + +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; + + if (!modehandlers[pos]) + return false; - char outlist[MAXBUF]; - char mlist[MAXBUF]; - char *outpars[32]; - int param = 2; - int pc = 0; - int ptr = 0; - int mdir = 1; - char* r = NULL; - bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false; - - int MOD_RESULT = 0; - - if (IS_LOCAL(user)) + switch (mh->GetModeType()) { - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE)); - if (MOD_RESULT == ACR_DENY) - return; + case MODETYPE_USER: + for (user_hash::iterator i = ServerInstance->clientlist.begin(); i != ServerInstance->clientlist.end(); i++) + { + mh->RemoveMode(i->second); + } + break; + case MODETYPE_CHANNEL: + for (chan_hash::iterator i = ServerInstance->chanlist.begin(); i != ServerInstance->chanlist.end(); i++) + { + mh->RemoveMode(i->second); + } + break; } - std::string tidied = this->CompressModes(parameters[1],true); - strlcpy(mlist,tidied.c_str(),MAXBUF); - char* modelist = mlist; + modehandlers[pos] = NULL; + + return true; +} + +ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt) +{ + unsigned char mask = 0; + unsigned char pos = 0; + + if ((modeletter < 'A') || (modeletter > 'z')) + return NULL; + + mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (modeletter-65) | mask; + + return modehandlers[pos]; +} + +std::string ModeParser::UserModeList() +{ + 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; +} - *outlist = *modelist; - char* outl = outlist+1; +std::string ModeParser::ChannelModeList() +{ + char modestr[256]; + int pointer = 0; - mdir = (*modelist == '+'); + for (unsigned char mode = 'A'; mode <= 'z'; mode++) + { + unsigned char pos = (mode-65) | MASK_CHANNEL; - log(DEBUG,"process_modes: modelist: %s",modelist); + if (modehandlers[pos]) + modestr[pointer++] = mode; + } + modestr[pointer++] = 0; + return modestr; +} - int len = tidied.length(); - while (modelist[len-1] == ' ') - modelist[--len] = '\0'; +std::string ModeParser::ParaModeList() +{ + char modestr[256]; + int pointer = 0; - for (char* modechar = (modelist + 1); *modechar; ptr++, modechar++) + for (unsigned char mode = 'A'; mode <= 'z'; mode++) { - r = NULL; + unsigned char pos = (mode-65) | MASK_CHANNEL; - /* If we have more than MAXMODES changes in one line, - * drop all after the MAXMODES - */ - if (pc > MAXMODES-1) - break; + if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true))) + modestr[pointer++] = mode; + } + modestr[pointer++] = 0; + return modestr; +} +ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter) +{ + for (unsigned char mode = 'A'; mode <= 'z'; mode++) + { + unsigned char pos = (mode-65) | MASK_CHANNEL; - - switch (*modechar) + if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter)) { - case '-': - *outl++ = '-'; - mdir = 0; - break; - - case '+': - *outl++ = '+'; - mdir = 1; - break; - - case 'o': - log(DEBUG,"Ops"); - if ((param >= pcnt)) break; - log(DEBUG,"Enough parameters left"); - r = NULL; - if (mdir == 1) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], true, 1)); - if (!MOD_RESULT) - { - r = GiveOps(user,parameters[param++],chan,status); - } - else param++; - } - else - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], false, 1)); - if (!MOD_RESULT) - { - r = TakeOps(user,parameters[param++],chan,status); - } - else param++; - } - if (r) - { - *outl++ = 'o'; - outpars[pc++] = r; - } - break; - - case 'h': - if (((param >= pcnt)) || (!Config->AllowHalfop)) break; - r = NULL; - if (mdir == 1) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], true, 1)); - if (!MOD_RESULT) - { - r = GiveHops(user,parameters[param++],chan,status); - } - else param++; - } - else - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], false, 1)); - if (!MOD_RESULT) - { - r = TakeHops(user,parameters[param++],chan,status); - } - else param++; - } - if (r) - { - *outl++ = 'h'; - outpars[pc++] = r; - } - break; - - - case 'v': - if ((param >= pcnt)) break; - r = NULL; - if (mdir == 1) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], true, 1)); - if (!MOD_RESULT) - { - r = GiveVoice(user,parameters[param++],chan,status); - } - else param++; - } - else - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], false, 1)); - if (!MOD_RESULT) - { - r = TakeVoice(user,parameters[param++],chan,status); - } - else param++; - } - if (r) - { - *outl++ = 'v'; - outpars[pc++] = r; - } - break; - - case 'b': - if ((param >= pcnt)) break; - r = NULL; - if (mdir == 1) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], true, 1)); - if (!MOD_RESULT) - { - r = AddBan(user,parameters[param++],chan,status); - } - else param++; - } - else - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], false, 1)); - if (!MOD_RESULT) - { - r = TakeBan(user,parameters[param++],chan,status); - } - else param++; - } - if (r) - { - *outl++ = 'b'; - outpars[pc++] = parameters[param-1]; - } - break; + return modehandlers[pos]; + } + } + return NULL; +} +std::string ModeParser::ModeString(userrec* user, chanrec* channel) +{ + std::string types; + std::string pars; - case 'k': - if ((param >= pcnt)) - break; + for (unsigned char mode = 'A'; mode <= 'z'; mode++) + { + unsigned char pos = (mode-65) | MASK_CHANNEL; + ModeHandler* mh = modehandlers[pos]; + if ((mh) && (mh->GetNumParams(true)) && (mh->GetNumParams(false))) + { + ModePair ret; + ret = mh->ModeSet(NULL, user, channel, user->nick); + if (ret.first) + { + pars.append(" "); + pars.append(user->nick); + types.push_back(mh->GetModeChar()); + } + } + } - if (mdir == 1) - { - if (k_set) - break; - - if (previously_unset_k) - break; - previously_set_k = true; - - if (!chan->modes[CM_KEY]) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], true, 1)); - if (!MOD_RESULT) - { - *outl++ = 'k'; - char key[MAXBUF]; - strlcpy(key,parameters[param++],32); - outpars[pc++] = key; - strlcpy(chan->key,key,MAXBUF); - chan->modes[CM_KEY] = 1; - k_set = true; - } - else param++; - } - } - else - { - /* checks on -k are case sensitive and only accurate to the - first 32 characters */ - if (previously_set_k) - break; - previously_unset_k = true; - - char key[MAXBUF]; - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], false, 1)); - if (!MOD_RESULT) - { - strlcpy(key,parameters[param++],32); - /* only allow -k if correct key given */ - if (!strcmp(chan->key,key)) - { - *outl++ = 'k'; - *chan->key = 0; - chan->modes[CM_KEY] = 0; - outpars[pc++] = key; - } - } - else param++; - } - break; - - case 'l': - if (mdir == 0) - { - if (previously_set_l) - break; - previously_unset_l = true; - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', "", false, 0)); - if (!MOD_RESULT) - { - if (chan->modes[CM_LIMIT]) - { - *outl++ = 'l'; - chan->limit = 0; - chan->modes[CM_LIMIT] = 0; - } - } - } - - if ((param >= pcnt)) break; - if (mdir == 1) - { - if (l_set) - break; - if (previously_unset_l) - break; - previously_set_l = true; - bool invalid = false; - for (char* f = parameters[param]; *f; f++) - { - if ((*f < '0') || (*f > '9')) - { - invalid = true; - } - } - /* If the limit is < 1, or the new limit is the current limit, dont allow */ - if ((atoi(parameters[param]) < 1) || ((chan->limit > 0) && (atoi(parameters[param]) == chan->limit))) - { - invalid = true; - } + return types+pars; +} - if (invalid) - break; +std::string ModeParser::ChanModes() +{ + std::string type1; /* Listmodes EXCEPT those with a prefix */ + std::string type2; /* Modes that take a param when adding or removing */ + std::string type3; /* Modes that only take a param when adding */ + std::string type4; /* Modes that dont take a param */ - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', parameters[param], true, 1)); - if (!MOD_RESULT) - { - - chan->limit = atoi(parameters[param]); - - // reported by mech: large values cause underflow - if (chan->limit < 0) - chan->limit = 0x7FFF; - } - - if (chan->limit) - { - *outl++ = 'l'; - chan->modes[CM_LIMIT] = 1; - outpars[pc++] = parameters[param++]; - l_set = true; - } - } - break; - - case 'i': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'i', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->modes[CM_INVITEONLY])) *outl++ = 'i'; - chan->modes[CM_INVITEONLY] = 1; - } - else - { - if (chan->modes[CM_INVITEONLY]) *outl++ = 'i'; - chan->modes[CM_INVITEONLY] = 0; - } - } - break; - - case 't': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 't', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->modes[CM_TOPICLOCK])) *outl++ = 't'; - chan->modes[CM_TOPICLOCK] = 1; - } - else - { - if (chan->modes[CM_TOPICLOCK]) *outl++ = 't'; - chan->modes[CM_TOPICLOCK] = 0; - } - } - break; - - case 'n': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'n', "", mdir, 0)); - if (!MOD_RESULT) + for (unsigned char mode = 'A'; mode <= 'z'; mode++) + { + unsigned char pos = (mode-65) | MASK_CHANNEL; + /* One parameter when adding */ + if (modehandlers[pos]) + { + if (modehandlers[pos]->GetNumParams(true)) + { + if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix())) { - if (mdir) - { - if (!(chan->modes[CM_NOEXTERNAL])) *outl++ = 'n'; - chan->modes[CM_NOEXTERNAL] = 1; - } - else - { - if (chan->modes[CM_NOEXTERNAL]) *outl++ = 'n'; - chan->modes[CM_NOEXTERNAL] = 0; - } + type1 += modehandlers[pos]->GetModeChar(); } - break; - - case 'm': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'm', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->modes[CM_MODERATED])) *outl++ = 'm'; - chan->modes[CM_MODERATED] = 1; - } - else - { - if (chan->modes[CM_MODERATED]) *outl++ = 'm'; - chan->modes[CM_MODERATED] = 0; - } - } - break; - - case 's': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 's', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->modes[CM_SECRET])) *outl++ = 's'; - chan->modes[CM_SECRET] = 1; - if (chan->modes[CM_PRIVATE]) - { - chan->modes[CM_PRIVATE] = 0; - if (mdir) - { - *outl++ = '-'; *outl++ = 'p'; *outl++ = '+'; - } - } - } - else - { - if (chan->modes[CM_SECRET]) *outl++ = 's'; - chan->modes[CM_SECRET] = 0; - } - } - break; - - case 'p': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'p', "", mdir, 0)); - if(!MOD_RESULT) + else { - if(mdir) + /* ... and one parameter when removing */ + if (modehandlers[pos]->GetNumParams(false)) { - if(!(chan->modes[CM_PRIVATE])) - *outl++ = 'p'; - - chan->modes[CM_PRIVATE] = 1; - - if(chan->modes[CM_SECRET]) + /* But not a list mode */ + if (!modehandlers[pos]->GetPrefix()) { - chan->modes[CM_SECRET] = 0; - - *outl++ = '-'; - *outl++ = 's'; - *outl++ = '+'; + type2 += modehandlers[pos]->GetModeChar(); } } else { - if(chan->modes[CM_PRIVATE]) - *outl++ = 'p'; - - chan->modes[CM_PRIVATE] = 0; + /* No parameters when removing */ + type3 += modehandlers[pos]->GetModeChar(); } } - break; - - default: - string_list p; - p.clear(); - bool x = chan->modes[*modechar-65]; - if ((!x && !mdir) || (x && mdir)) - { - if (!ModeIsListMode(*modechar,MT_CHANNEL)) - { - log(DEBUG,"Mode %c isnt set on %s but trying to remove!",*modechar,chan->name); - break; - } - } - if (ModeDefined(*modechar,MT_CHANNEL)) - { - /* A module has claimed this mode */ - if (param0) && (mdir)) - { - p.push_back(parameters[param]); - } - if ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir)) - { - p.push_back(parameters[param]); - } - } - bool handled = false; - if (param>=pcnt) - { - // we're supposed to have a parameter, but none was given... so dont handle the mode. - if (((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir))) - { - log(DEBUG,"Not enough parameters for module-mode %c",*modechar); - handled = true; - param++; - } - } - // BIG ASS IDIOTIC CODER WARNING! - // Using OnRawMode on another modules mode's behavour - // will confuse the crap out of admins! just because you CAN - // do it, doesnt mean you SHOULD! - MOD_RESULT = 0; - std::string para = ""; - if (p.size()) - para = p[0]; - - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *modechar, para, mdir, pcnt)); - if(!MOD_RESULT) - { - for (int i = 0; i <= MODCOUNT; i++) - { - if (!handled) - { - int t = modules[i]->OnExtendedMode(user,chan,*modechar,MT_CHANNEL,mdir,p); - if (t != 0) - { - log(DEBUG,"OnExtendedMode returned nonzero for a module"); - if (ModeIsListMode(*modechar,MT_CHANNEL)) - { - if (t == -1) - { - //pc++; - param++; - } - else - { - if (param < pcnt) - { - *outl++ = *modechar; - } - outpars[pc++] = parameters[param++]; - } - } - else - { - *outl++ = *modechar; - chan->SetCustomMode(*modechar,mdir); - // include parameters in output if mode has them - if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) - { - if (param < pcnt) - { - chan->SetCustomModeParam(*modechar,parameters[param],mdir); - outpars[pc++] = parameters[param++]; - } - } - } - // break, because only one module can handle the mode. - handled = true; - } - } - } - } - } - else - { - WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,*modechar); - } - break; - } - } - - /* Null terminate it now we're done */ - *outl = 0; - - - /************ Fast, but confusing string tidying ************/ - outl = outlist; - while (*outl && (*outl < 'A')) - outl++; - /* outl now points to the first mode character after +'s and -'s */ - outl--; - /* Now points at first mode-modifier + or - symbol */ - char* trim = outl; - /* Now we tidy off any trailing -'s etc */ - while (*trim++); - trim--; - while ((*--trim == '+') || (*trim == '-')) - *trim = 0; - /************ Done wih the string tidy functions ************/ - - - /* The mode change must be at least two characters long (+ or - and at least one mode) */ - if (((*outl == '+') || (*outl == '-')) && *(outl+1)) - { - for (ptr = 0; ptr < pc; ptr++) - { - charlcat(outl,' ',MAXBUF); - strlcat(outl,outpars[ptr],MAXBUF-1); - } - if (local) - { - log(DEBUG,"Local mode change"); - WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outl); - FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl)); - } - else - { - if (servermode) - { - if (!silent) - { - WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outl); - } - } else { - if (!silent) - { - WriteChannel(chan,user,"MODE %s %s",chan->name,outl); - FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl)); - } + type4 += modehandlers[pos]->GetModeChar(); } } + } + + return type1 + "," + type2 + "," + type3 + "," + type4; } -// based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others. +bool ModeParser::PrefixComparison(const prefixtype one, const prefixtype two) +{ + return one.second > two.second; +} -bool ModeParser::AllowedUmode(char umode, char* sourcemodes,bool adding,bool serveroverride) +std::string ModeParser::BuildPrefixes() { - bool sourceoper = (strchr(sourcemodes,'o') != NULL); - log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes); - // Servers can +o and -o arbitrarily - if ((serveroverride == true) && (umode == 'o')) - { - return true; - } - // RFC1459 specified modes - if ((umode == 'w') || (umode == 's') || (umode == 'i')) - { - /* umode allowed by RFC1459 scemantics */ - return true; - } - - /* user may not +o themselves or others, but an oper may de-oper other opers or themselves */ - if (sourceoper && !adding) - { - return true; - } - else if (umode == 'o') - { - /* Bad oper, bad bad! */ - return false; - } - - /* process any module-defined modes that need oper */ - if ((ModeDefinedOper(umode,MT_CLIENT)) && (sourceoper)) - { - log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode); - return true; - } - else if (ModeDefined(umode,MT_CLIENT)) + std::string mletters = ""; + std::string mprefixes = ""; + pfxcontainer pfx; + std::map prefix_to_mode; + + for (unsigned char mode = 'A'; mode <= 'z'; mode++) { - // process any module-defined modes that don't need oper - log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode); - if ((ModeDefinedOper(umode,MT_CLIENT)) && (!sourceoper)) + unsigned char pos = (mode-65) | MASK_CHANNEL; + + if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix())) { - // no, this mode needs oper, and this user 'aint got what it takes! - return false; + pfx.push_back(std::make_pair(modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetPrefixRank())); + prefix_to_mode[modehandlers[pos]->GetPrefix()] = modehandlers[pos]->GetModeChar(); } - return true; } - // anything else - return false. - log(DEBUG,"umode %c not known by any ruleset",umode); - return false; -} + sort(pfx.begin(), pfx.end(), ModeParser::PrefixComparison); -bool ModeParser::ProcessModuleUmode(char umode, userrec* source, void* dest, bool adding) -{ - userrec* s2; - bool faked = false; - if (!source) + for (pfxcontainer::iterator n = pfx.begin(); n != pfx.end(); n++) { - s2 = new userrec; - strlcpy(s2->nick,Config->ServerName,NICKMAX-1); - *s2->modes = 'o'; - *(s2->modes+1) = 0; - s2->fd = -1; - source = s2; - faked = true; - } - string_list p; - p.clear(); - if (ModeDefined(umode,MT_CLIENT)) - { - for (int i = 0; i <= MODCOUNT; i++) - { - if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p)) - { - log(DEBUG,"Module %s claims umode %c",Config->module_names[i].c_str(),umode); - return true; - } - } - log(DEBUG,"No module claims umode %c",umode); - if (faked) - { - delete s2; - source = NULL; - } - return false; - } - else - { - if (faked) - { - delete s2; - source = NULL; - } - return false; + mletters = mletters + n->first; + mprefixes = mprefixes + prefix_to_mode.find(n->first)->second; } + + return "(" + mprefixes + ")" + mletters; } -void cmd_mode::Handle (char **parameters, int pcnt, userrec *user) +bool ModeParser::AddModeWatcher(ModeWatcher* mw) { - chanrec* chan; - userrec* dest = Find(parameters[0]); - int MOD_RESULT; - int can_change; - int direction = 1; - char outpars[MAXBUF]; - bool next_ok = true; - - if (!user) - return; - - if ((dest) && (pcnt == 1)) - { - WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes); - return; - } - else if ((dest) && (pcnt > 1)) - { - std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false); - parameters[1] = (char*)tidied.c_str(); + unsigned char mask = 0; + unsigned char pos = 0; - char dmodes[MAXBUF]; - strlcpy(dmodes,dest->modes,MAXMODES); - log(DEBUG,"pulled up dest user modes: %s",dmodes); + if (!mw) + return false; - can_change = 0; - if (user != dest) - { - if ((*user->oper) || (is_uline(user->server))) - { - can_change = 1; - } - } - else - { - can_change = 1; - } - if (!can_change) - { - WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick); - return; - } - - outpars[0] = *parameters[1]; - outpars[1] = 0; - direction = (*parameters[1] == '+'); + if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z')) + return false; - if ((*parameters[1] != '+') && (*parameters[1] != '-')) - return; + mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (mw->GetModeChar()-65) | mask; - for (char* i = parameters[1]; *i; i++) - { - if ((i != parameters[1]) && (*i != '+') && (*i != '-')) - next_ok = true; + modewatchers[pos].push_back(mw); + ServerInstance->Log(DEBUG,"ModeParser::AddModeWatcher: watching mode %c",mw->GetModeChar()); - switch (*i) - { - case ' ': - continue; + return true; +} - case '+': - if ((direction != 1) && (next_ok)) - { - charlcat(outpars,'+',MAXBUF); - next_ok = false; - } - direction = 1; - break; +bool ModeParser::DelModeWatcher(ModeWatcher* mw) +{ + unsigned char mask = 0; + unsigned char pos = 0; - case '-': - if ((direction != 0) && (next_ok)) - { - charlcat(outpars,'-',MAXBUF); - next_ok = false; - } - direction = 0; - break; + if (!mw) + return false; - default: - can_change = 0; - if (*user->oper) - { - can_change = 1; - } - else - { - if ((*i == 'i') || (*i == 'w') || (*i == 's') || (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,direction,false))) - { - can_change = 1; - } - } - if (can_change) - { - if (direction == 1) - { - if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,false))) - { - if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o')) - { - charlcat(dmodes,*i,53); - charlcat(outpars,*i,MAXMODES); - switch (*i) - { - case 'o': - FOREACH_MOD(I_OnGlobalOper,OnGlobalOper(dest)); - break; - case 'i': - dest->modebits |= UM_INVISIBLE; - break; - case 's': - dest->modebits |= UM_SERVERNOTICE; - break; - case 'w': - dest->modebits |= UM_WALLOPS; - break; - default: - break; - } - } - } - } - else - { - if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,false)) && (strchr(dmodes,*i))) - { - if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o')) - { - charlcat(outpars,*i,MAXMODES); - charremove(dmodes,*i); - switch (*i) - { - case 'o': - *dest->oper = 0; - DeleteOper(dest); - break; - case 'i': - dest->modebits &= ~UM_INVISIBLE; - break; - case 's': - dest->modebits &= ~UM_SERVERNOTICE; - break; - case 'w': - dest->modebits &= ~UM_WALLOPS; - break; - default: - break; - } - } - } - } - } - break; - } - } - if (*outpars) - { - char b[MAXBUF]; - char* z = b; + if ((mw->GetModeType() < 'A') || (mw->GetModeType() > 'z')) + return false; - for (char* i = outpars; *i;) - { - *z++ = *i++; - if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+'))) - { - // someones playing silly buggers and trying - // to put a +- or -+ into the line... - i++; - } - if (!*(i+1)) - { - // Someone's trying to make the last character in - // the line be a + or - symbol. - if ((*i == '-') || (*i == '+')) - { - i++; - } - } - } - *z = 0; + mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (mw->GetModeChar()-65) | mask; - if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-'))) - { - WriteTo(user, dest, "MODE %s :%s", dest->nick, b); - FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b)); - } + ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw); - log(DEBUG,"Stripped mode line"); - log(DEBUG,"Line dest is now %s",dmodes); - strlcpy(dest->modes,dmodes,MAXMODES-1); + if (a == modewatchers[pos].end()) + return false; - } + modewatchers[pos].erase(a); + ServerInstance->Log(DEBUG,"ModeParser::DelModeWatcher: stopped watching mode %c",mw->GetModeChar()); - return; - } - else - { - chan = FindChan(parameters[0]); - if(chan) - { - if (pcnt == 1) - { - /* just /modes #channel */ - WriteServ(user->fd,"324 %s %s +%s",user->nick, chan->name, chanmodes(chan, chan->HasUser(user))); - WriteServ(user->fd,"329 %s %s %d", user->nick, chan->name, chan->created); - return; - } - else if (pcnt == 2) - { - char* mode = parameters[1]; - - MOD_RESULT = 0; - - if (*mode == '+') - mode++; - - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *mode, "", false, 0)); - if(!MOD_RESULT) - { - if (*mode == 'b') - { - for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++) - { - WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, chan->name, i->data, i->set_by, i->set_time); - } - WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, chan->name); - return; - } - - if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL))) - { - // list of items for an extmode - log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode); - FOREACH_MOD(I_OnSendList,OnSendList(user,chan,*mode)); - return; - } - } - } - - if ((IS_LOCAL(user)) && (!is_uline(user->server)) && (!chan->HasUser(user))) - { - WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, chan->name); - return; - } - - MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, chan, AC_GENERAL_MODE)); - - if(MOD_RESULT == ACR_DENY) - return; - - if(MOD_RESULT == ACR_DEFAULT) - { - if ((IS_LOCAL(user)) && (cstatus(user,chan) < STATUS_HOP)) - { - WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name); - return; - } - } - - ServerInstance->ModeGrok->ProcessModes(parameters,user,chan,cstatus(user,chan),pcnt,false,false,false); - } - else - { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]); - } - } + return true; } +/** This default implementation can remove simple user modes + */ +void ModeHandler::RemoveMode(userrec* user) +{ + char moderemove[MAXBUF]; + const char* parameters[] = { user->nick, moderemove }; + if (user->IsModeSet(this->GetModeChar())) + { + userrec* n = new userrec(ServerInstance); + sprintf(moderemove,"-%c",this->GetModeChar()); + n->SetFd(FD_MAGIC_NUMBER); -void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user) -{ - chanrec* Ptr; - userrec* dest = Find(parameters[0]); - int can_change; - int direction = 1; - char outpars[MAXBUF]; - bool next_ok = true; - - if ((dest) && (pcnt > 1)) - { - std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false); - parameters[1] = (char*)tidied.c_str(); + ServerInstance->SendMode(parameters, 2, n); - char dmodes[MAXBUF]; - strlcpy(dmodes,dest->modes,MAXBUF); + delete n; + } +} - outpars[0] = *parameters[1]; - outpars[1] = 0; - direction = (*parameters[1] == '+'); +/** This default implementation can remove simple channel modes + * (no parameters) + */ +void ModeHandler::RemoveMode(chanrec* channel) +{ + char moderemove[MAXBUF]; + const char* parameters[] = { channel->name, moderemove }; - if ((*parameters[1] != '+') && (*parameters[1] != '-')) - return; + if (channel->IsModeSet(this->GetModeChar())) + { + userrec* n = new userrec(ServerInstance); - for (char* i = parameters[1]; *i; i++) - { - if ((i != parameters[1]) && (*i != '+') && (*i != '-')) - next_ok = true; + sprintf(moderemove,"-%c",this->GetModeChar()); + n->SetFd(FD_MAGIC_NUMBER); - switch (*i) - { - case ' ': - continue; + ServerInstance->SendMode(parameters, 2, n); - case '+': - if ((direction != 1) && (next_ok)) - { - next_ok = false; - charlcat(outpars,'+',MAXBUF); - } - direction = 1; - break; + delete n; + } +} - case '-': - if ((direction != 0) && (next_ok)) - { - next_ok = false; - charlcat(outpars,'-',MAXBUF); - } - direction = 0; - break; +ModeParser::ModeParser(InspIRCd* Instance) : ServerInstance(Instance) +{ + /* Clear mode list */ + memset(modehandlers, 0, sizeof(modehandlers)); + memset(modewatchers, 0, sizeof(modewatchers)); - default: - log(DEBUG,"begin mode processing entry"); - can_change = 1; - if (can_change) - { - if (direction == 1) - { - log(DEBUG,"umode %c being added",*i); - if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,true))) - { - log(DEBUG,"umode %c is an allowed umode",*i); - if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction))) - { - charlcat(dmodes,*i,MAXBUF); - charlcat(outpars,*i,53); - switch (*i) - { - case 'i': - dest->modebits |= UM_INVISIBLE; - break; - case 's': - dest->modebits |= UM_SERVERNOTICE; - break; - case 'w': - dest->modebits |= UM_WALLOPS; - break; - default: - break; - } - } - } - } - else - { - // can only remove a mode they already have - log(DEBUG,"umode %c being removed",*i); - if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,true)) && (strchr(dmodes,*i))) - { - log(DEBUG,"umode %c is an allowed umode",*i); - if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction))) - { - charlcat(outpars,*i,MAXBUF); - charremove(dmodes,*i); - switch (*i) - { - case 'i': - dest->modebits &= ~UM_INVISIBLE; - break; - case 's': - dest->modebits &= ~UM_SERVERNOTICE; - break; - case 'w': - dest->modebits &= ~UM_WALLOPS; - break; - default: - break; - } - } - } - } - } - break; - } - } - if (*outpars) - { - char b[MAXBUF]; - char* z = b; + /* Initialise the RFC mode letters */ - for (char* i = outpars; *i;) - { - *z++ = *i++; - if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+'))) - { - // someones playing silly buggers and trying - // to put a +- or -+ into the line... - i++; - } - if (!*(i+1)) - { - // Someone's trying to make the last character in - // the line be a + or - symbol. - if ((*i == '-') || (*i == '+')) - { - i++; - } - } - } - *z = 0; + /* Start with channel simple modes, no params */ + this->AddMode(new ModeChannelSecret(Instance), 's'); + this->AddMode(new ModeChannelPrivate(Instance), 'p'); + this->AddMode(new ModeChannelModerated(Instance), 'm'); + this->AddMode(new ModeChannelTopicOps(Instance), 't'); + this->AddMode(new ModeChannelNoExternal(Instance), 'n'); + this->AddMode(new ModeChannelInviteOnly(Instance), 'i'); - if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-'))) - { - WriteTo(user, dest, "MODE %s :%s", dest->nick, b); - FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b)); - } + /* Cannel modes with params */ + this->AddMode(new ModeChannelKey(Instance), 'k'); + this->AddMode(new ModeChannelLimit(Instance), 'l'); - log(DEBUG,"Stripped mode line"); - log(DEBUG,"Line dest is now %s",dmodes); - strlcpy(dest->modes,dmodes,MAXMODES-1); - - } + /* Channel listmodes */ + this->AddMode(new ModeChannelBan(Instance), 'b'); + this->AddMode(new ModeChannelOp(Instance), 'o'); + this->AddMode(new ModeChannelHalfOp(Instance), 'h'); + this->AddMode(new ModeChannelVoice(Instance), 'v'); - return; - } - - Ptr = FindChan(parameters[0]); - if (Ptr) - { - ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false); - } - else - { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]); - } + /* Now for usermodes */ + this->AddMode(new ModeUserServerNotice(Instance), 's'); + this->AddMode(new ModeUserWallops(Instance), 'w'); + this->AddMode(new ModeUserInvisible(Instance), 'i'); + this->AddMode(new ModeUserOperator(Instance), 'o'); + this->AddMode(new ModeUserServerNoticeMask(Instance), 'n'); } +