X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmode.cpp;h=6507c6d26bb2ddadee58d836f40150cba453f155;hb=c80508b28be5947648f59710e6653f793a73bd76;hp=2ff9e003d965e42825aa31b77630339aaf41ffd7;hpb=cf6d6a06656ce4ded0fca445b1dea5c492151b28;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/mode.cpp b/src/mode.cpp index 2ff9e003d..6507c6d26 100644 --- a/src/mode.cpp +++ b/src/mode.cpp @@ -3,7 +3,7 @@ * +------------------------------------+ * * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: + * E-mail: * * * @@ -18,34 +18,54 @@ using namespace std; #include "inspircd_config.h" #include "inspircd.h" -#include "inspircd_io.h" +#include "configreader.h" #include -#include -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include -#include +#include "hash_map.h" #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 "commands.h" #include "mode.h" +/* +s (secret) */ +#include "modes/cmode_s.h" +/* +p (private) */ +#include "modes/cmode_p.h" +/* +b (bans) */ +#include "modes/cmode_b.h" +/* +m (moderated) */ +#include "modes/cmode_m.h" +/* +t (only (half) ops can change topic) */ +#include "modes/cmode_t.h" +/* +n (no external messages) */ +#include "modes/cmode_n.h" +/* +i (invite only) */ +#include "modes/cmode_i.h" +/* +k (keyed channel) */ +#include "modes/cmode_k.h" +/* +l (channel user limit) */ +#include "modes/cmode_l.h" +/* +o (channel op) */ +#include "modes/cmode_o.h" +/* +h (channel halfop) */ +#include "modes/cmode_h.h" +/* +v (channel voice) */ +#include "modes/cmode_v.h" + +/* +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" + extern int MODCOUNT; extern std::vector modules; extern std::vector factory; @@ -54,1695 +74,582 @@ extern ServerConfig* Config; extern time_t TIME; -char* ModeParser::GiveOps(userrec *user,char *dest,chanrec *chan,int status) +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) { - userrec *d; - - if ((!user) || (!dest) || (!chan) || (!*dest)) - { - log(DEFAULT,"*** BUG *** GiveOps was given an invalid parameter"); - return NULL; - } - d = Find(dest); - if (!d) +} + +ModeHandler::~ModeHandler() +{ +} + +bool ModeHandler::IsListMode() +{ + return list; +} + +ModeType ModeHandler::GetModeType() +{ + return m_type; +} + +bool ModeHandler::NeedsOper() +{ + return oper; +} + +int ModeHandler::GetNumParams(bool adding) +{ + return adding ? n_params_on : n_params_off; +} + +char ModeHandler::GetModeChar() +{ + return mode; +} + +ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding) +{ + return MODEACTION_DENY; +} + +ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter) +{ + if (dest) { - log(DEFAULT,"the target nickname given to GiveOps couldnt be found"); - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); - return NULL; + return std::make_pair(dest->IsModeSet(this->mode), ""); } else { - if (user->server == d->server) - { - 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)) && (IS_LOCAL(user))) - { - log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP); - WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name); - return NULL; - } - } - } + return std::make_pair(channel->IsModeSet(this->mode), ""); + } +} +void ModeHandler::DisplayList(userrec* user, chanrec* channel) +{ +} - for (unsigned int i = 0; i < d->chans.size(); i++) - { - if ((d->chans[i].channel != NULL) && (chan != NULL)) - if (!strcasecmp(d->chans[i].channel->name,chan->name)) - { - if (d->chans[i].uc_modes & UCMODE_OP) - { - /* mode already set on user, dont allow multiple */ - return NULL; - } - d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP; - d->chans[i].channel->AddOppedUser((char*)d); - log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick); - return d->nick; - } - } - log(DEFAULT,"The target channel given to GiveOps was not in the users mode list"); - } - return NULL; +bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel) +{ + return (ours < theirs); +} + +ModeWatcher::ModeWatcher(char modeletter, ModeType type) : mode(modeletter), m_type(type) +{ +} + +ModeWatcher::~ModeWatcher() +{ +} + +char ModeWatcher::GetModeChar() +{ + return mode; } -char* ModeParser::GiveHops(userrec *user,char *dest,chanrec *chan,int status) +ModeType ModeWatcher::GetModeType() +{ + return m_type; +} + +bool ModeWatcher::BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding, ModeType type) +{ + return true; +} + +void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter, bool adding, ModeType type) +{ +} + +userrec* ModeParser::SanityChecks(userrec *user,const char *dest,chanrec *chan,int status) { userrec *d; - if ((!user) || (!dest) || (!chan) || (!*dest)) { - log(DEFAULT,"*** BUG *** GiveHops was given an invalid parameter"); return NULL; } - d = Find(dest); if (!d) { WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); return NULL; } - else + return d; +} + +const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK) +{ + if (!chan) + return ""; + + for (std::vector::const_iterator i = d->chans.begin(); i != d->chans.end(); i++) { - if (user->server == d->server) + ucrec* n = (ucrec*)(*i); + if (n->channel == chan) { - 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 (n->uc_modes & MASK) { - if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user))) - { - WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name); - return NULL; - } + return ""; } - } - - for (unsigned int i = 0; i < d->chans.size(); i++) - { - if ((d->chans[i].channel != NULL) && (chan != NULL)) - if (!strcasecmp(d->chans[i].channel->name,chan->name)) + n->uc_modes = n->uc_modes | MASK; + switch (MASK) { - if (d->chans[i].uc_modes & UCMODE_HOP) - { - /* mode already set on user, dont allow multiple */ - return NULL; - } - d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP; - d->chans[i].channel->AddHalfoppedUser((char*)d); - log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick); - return d->nick; + case UCMODE_OP: + n->channel->AddOppedUser(d); + break; + case UCMODE_HOP: + n->channel->AddHalfoppedUser(d); + break; + case UCMODE_VOICE: + n->channel->AddVoicedUser(d); + break; } + log(DEBUG,"grant: %s %s",n->channel->name,d->nick); + return d->nick; } } - return NULL; + return ""; } -char* ModeParser::GiveVoice(userrec *user,char *dest,chanrec *chan,int status) +const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK) { - userrec *d; - - if ((!user) || (!dest) || (!chan) || (!*dest)) - { - log(DEFAULT,"*** BUG *** GiveVoice was given an invalid parameter"); - return NULL; - } + if (!chan) + return ""; - d = Find(dest); - if (!d) - { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); - return NULL; - } - else + for (std::vector::const_iterator i = d->chans.begin(); i != d->chans.end(); i++) { - if (user->server == d->server) + ucrec* n = (ucrec*)(*i); + if (n->channel == chan) { - 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 ((n->uc_modes & MASK) == 0) { - if ((status < STATUS_HOP) && (!is_uline(user->server)) && (IS_LOCAL(user))) - { - 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 ""; } - } - - for (unsigned int i = 0; i < d->chans.size(); i++) - { - if ((d->chans[i].channel != NULL) && (chan != NULL)) - if (!strcasecmp(d->chans[i].channel->name,chan->name)) + n->uc_modes ^= MASK; + switch (MASK) { - if (d->chans[i].uc_modes & UCMODE_VOICE) - { - /* mode already set on user, dont allow multiple */ - return NULL; - } - d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE; - d->chans[i].channel->AddVoicedUser((char*)d); - log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick); - return d->nick; + case UCMODE_OP: + n->channel->DelOppedUser(d); + break; + case UCMODE_HOP: + n->channel->DelHalfoppedUser(d); + break; + case UCMODE_VOICE: + n->channel->DelVoicedUser(d); + break; } + log(DEBUG,"revoke: %s %s",n->channel->name,d->nick); + return d->nick; } } - return NULL; + return ""; } -char* ModeParser::TakeOps(userrec *user,char *dest,chanrec *chan,int status) +void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text) { - userrec *d; - - if ((!user) || (!dest) || (!chan) || (!*dest)) + if (targetchannel) { - log(DEFAULT,"*** BUG *** TakeOps was given an invalid parameter"); - return NULL; + /* Display channel's current mode string */ + WriteServ(user->fd,"324 %s %s +%s",user->nick, targetchannel->name, chanmodes(targetchannel, targetchannel->HasUser(user))); + WriteServ(user->fd,"329 %s %s %d", user->nick, targetchannel->name, targetchannel->created); + return; } - - d = Find(dest); - if (!d) + else if (targetuser) { - log(DEBUG,"TakeOps couldnt resolve the target nickname: %s",dest); - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); - return NULL; + /* Display user's current mode string */ + WriteServ(user->fd,"221 %s :+%s",targetuser->nick,targetuser->FormatModes()); + WriteServ(user->fd, "008 %s :+%s", targetuser->nick, targetuser->FormatNoticeMasks()); + return; } - else - { - if (user->server == d->server) - { - 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)) && (IS_LOCAL(user))) - { - WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name); - return NULL; - } - } - } - for (unsigned int i = 0; i < d->chans.size(); i++) - { - if ((d->chans[i].channel != NULL) && (chan != NULL)) - if (!strcasecmp(d->chans[i].channel->name,chan->name)) - { - if ((d->chans[i].uc_modes & UCMODE_OP) == 0) - { - /* mode already set on user, dont allow multiple */ - return NULL; - } - d->chans[i].uc_modes ^= UCMODE_OP; - d->chans[i].channel->DelOppedUser((char*)d); - log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick); - return d->nick; - } - } - log(DEBUG,"TakeOps couldnt locate the target channel in the target users list"); - } - return NULL; + /* No such nick/channel */ + WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, text); + return; } -char* ModeParser::TakeHops(userrec *user,char *dest,chanrec *chan,int status) +void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode) { - userrec *d; - - if ((!user) || (!dest) || (!chan) || (!*dest)) - { - log(DEFAULT,"*** BUG *** TakeHops was given an invalid parameter"); - return NULL; - } + std::string target = parameters[0]; + ModeType type = MODETYPE_USER; + unsigned char mask = 0; + chanrec* targetchannel = FindChan(parameters[0]); + userrec* targetuser = Find(parameters[0]); - d = Find(dest); - if (!d) + log(DEBUG,"ModeParser::Process start"); + + if (pcnt == 1) { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); - return NULL; + this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]); } - else + else if (pcnt > 1) { - if (user->server == d->server) + if (targetchannel) { - 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) + type = MODETYPE_CHANNEL; + mask = MASK_CHANNEL; + + /* Extra security checks on channel modes + * (e.g. are they a (half)op? + */ + + if ((IS_LOCAL(user)) && (cstatus(user, targetchannel) < STATUS_HOP)) { - /* Tweak by Brain suggested by w00t, allow a halfop to dehalfop themselves */ - if ((user != d) && ((status < STATUS_OP) && (!is_uline(user->server))) && (IS_LOCAL(user))) + /* We don't have halfop */ + log(DEBUG,"The user is not a halfop or above, checking other reasons for being able to set the modes"); + + /* Are we a uline or is it a servermode? */ + if ((!is_uline(user->server)) && (!servermode)) { - WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name); - return NULL; + /* Not enough permission: + * NOT a uline and NOT a servermode, + * OR, NOT halfop or above. + */ + WriteServ(user->fd,"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 */ + WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]); + return; + } - for (unsigned int i = 0; i < d->chans.size(); i++) + /* Special case for displaying the list for listmodes, + * e.g. MODE #chan b, or MODE #chan +b without a parameter + */ + if ((type== MODETYPE_CHANNEL) && (pcnt == 2)) { - if ((d->chans[i].channel != NULL) && (chan != NULL)) - if (!strcasecmp(d->chans[i].channel->name,chan->name)) + const char* mode = parameters[1]; + if (*mode == '+') + mode++; + + unsigned char handler_id = ((*mode) - 65) | mask; + ModeHandler* mh = modehandlers[handler_id]; + + if ((mh) && (mh->IsListMode())) { - if ((d->chans[i].uc_modes & UCMODE_HOP) == 0) - { - /* mode already set on user, dont allow multiple */ - return NULL; - } - d->chans[i].uc_modes ^= UCMODE_HOP; - d->chans[i].channel->DelHalfoppedUser((char*)d); - log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick); - return d->nick; + mh->DisplayList(user, targetchannel); } } - } - return NULL; -} + + std::string mode_sequence = parameters[1]; + std::string parameter = ""; + std::ostringstream parameter_list; + std::string output_sequence = ""; + bool adding = true, state_change = false; + unsigned char handler_id = 0; + int parameter_counter = 2; /* Index of first parameter */ + + for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++) + { + unsigned char modechar = *letter; + + switch (modechar) + { + /* NB: + * For + and - mode characters, we don't just stick the character into the output sequence. + * This is because the user may do something dumb, like: +-+ooo or +oo-+. To prevent this + * appearing in the output sequence, we store a flag which says there was a state change, + * which is set on any + or -, however, the + or - that we finish on is only appended to + * the output stream in the event it is followed by a non "+ or -" character, such as o or v. + */ + case '+': + /* The following expression prevents: +o+o nick nick, compressing it to +oo nick nick, + * however, will allow the + if it is the first item in the sequence, regardless. + */ + if ((!adding) || (!output_sequence.length())) + state_change = true; + adding = true; + continue; + break; + case '-': + if ((adding) || (!output_sequence.length())) + state_change = true; + adding = false; + continue; + break; + default: -char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status) -{ - userrec *d; - - if ((!user) || (!dest) || (!chan) || (!*dest)) - { - log(DEFAULT,"*** BUG *** TakeVoice was given an invalid parameter"); - return NULL; - } + /** + * 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; - d = Find(dest); - if (!d) - { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest); - return NULL; - } - else - { - if (user->server == d->server) + if (modehandlers[handler_id]) + { + bool abort = false; + + 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; + } + if ((modehandlers[handler_id]->GetModeType() == type) && (!abort)) + { + if (modehandlers[handler_id]->GetNumParams(adding)) + { + /* This mode expects a parameter, do we have any parameters left in our list to use? */ + if (parameter_counter < pcnt) + { + parameter = parameters[parameter_counter++]; + } + else + { + /* 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)) + continue; + + /* Call the handler for the mode */ + ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding); + + if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == "")) + { + /* 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_list << " " << parameter; + + /* 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. */ + WriteServ(user->fd,"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 != "") { - 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 (servermode) { - if ((status < STATUS_HOP) && (!is_uline(user->server)) && (IS_LOCAL(user))) + if (type == MODETYPE_CHANNEL) + { + WriteChannelWithServ(Config->ServerName,targetchannel,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str()); + } + else { - 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; + WriteServ(targetuser->fd,"MODE %s %s",targetuser->nick,output_sequence.c_str()); } } - } - - for (unsigned int i = 0; i < d->chans.size(); i++) - { - if ((d->chans[i].channel != NULL) && (chan != NULL)) - if (!strcasecmp(d->chans[i].channel->name,chan->name)) + else { - if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0) + if (type == MODETYPE_CHANNEL) + { + log(DEBUG,"Write output sequence and parameters to channel: %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str()); + WriteChannel(targetchannel,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 { - /* mode already set on user, dont allow multiple */ - return NULL; + WriteTo(user,targetuser,"MODE %s %s",targetuser->nick,output_sequence.c_str()); + FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence)); } - d->chans[i].uc_modes ^= UCMODE_VOICE; - d->chans[i].channel->DelVoicedUser((char*)d); - log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick); - return d->nick; } } } - 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 ((*i < 32) || (*i > 126)) - { - return NULL; - } - else if (*i == '!') - { - toomanyexclamation++; - } - else if (*i == '@') - { - toomanyat++; - } - } - 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; +void cmd_mode::Handle (const char** parameters, int pcnt, userrec *user) +{ + if (!user) + return; - long maxbans = GetMaxBans(chan->name); - if ((unsigned)chan->bans.size() > (unsigned)maxbans) - { - 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->ModeGrok->Process(parameters, pcnt, user, false); - log(DEBUG,"AddBan: %s %s",chan->name,user->nick); + return; +} - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAddBan,OnAddBan(user,chan,dest)); - if (MOD_RESULT) - return NULL; +void ModeParser::CleanMask(std::string &mask) +{ + 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 */ - TidyBan(dest); - for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++) + if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos)) { - if (!strcasecmp(i->data,dest)) + /* 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 { - // dont allow a user to set the same ban twice - return NULL; + /* Got a dot in it? Has to be a host */ + mask = "*!*@" + mask; } } - - b.set_time = TIME; - strlcpy(b.data,dest,MAXBUF); - if (*user->nick) + else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos)) { - strlcpy(b.set_by,user->nick,NICKMAX-1); + /* Has an @ but no !, its a user@host */ + mask = "*!" + mask; } - else + else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos)) { - strlcpy(b.set_by,Config->ServerName,NICKMAX-1); + /* Has a ! but no @, it must be a nick!ident */ + mask.append("@*"); } - chan->bans.push_back(b); - return dest; } -char* ModeParser::TakeBan(userrec *user,char *dest,chanrec *chan,int status) +bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter) { - if ((!user) || (!dest) || (!chan) || (!*dest)) { - log(DEFAULT,"*** BUG *** TakeBan was given an invalid parameter"); - return 0; - } + 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; - 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; -} + mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (mh->GetModeChar()-65) | mask; -// tidies up redundant modes, e.g. +nt-nt+i becomes +-+i, -// a section further down the chain tidies up the +-+- crap. -std::string ModeParser::CompressModes(std::string modes,bool channelmodes) -{ - int counts[127]; - bool active[127]; - memset(counts,0,sizeof(counts)); - memset(active,0,sizeof(active)); - for (unsigned int i = 0; i < modes.length(); i++) - { - if ((modes[i] == '+') || (modes[i] == '-')) - continue; - if (channelmodes) - { - if ((strchr("itnmsp",modes[i])) || ((ModeDefined(modes[i],MT_CHANNEL)) && (ModeDefinedOn(modes[i],MT_CHANNEL)==0) && (ModeDefinedOff(modes[i],MT_CHANNEL)==0))) - { - log(DEBUG,"Tidy mode %c",modes[i]); - counts[(unsigned int)modes[i]]++; - active[(unsigned int)modes[i]] = true; - } - } - else - { - log(DEBUG,"Tidy mode %c",modes[i]); - counts[(unsigned int)modes[i]]++; - active[(unsigned int)modes[i]] = true; - } - } - for (int j = 65; j < 127; j++) - { - if ((counts[j] > 1) && (active[j] == true)) - { - static char v[2]; - v[0] = (unsigned char)j; - v[1] = '\0'; - std::string mode_str = v; - std::string::size_type pos = modes.find(mode_str); - if (pos != std::string::npos) - { - log(DEBUG,"all occurances of mode %c to be deleted...",(unsigned char)j); - while (modes.find(mode_str) != std::string::npos) - modes.erase(modes.find(mode_str),1); - log(DEBUG,"New mode line: %s",modes.c_str()); - } - } - } - return modes; + if (modehandlers[pos]) + return false; + + modehandlers[pos] = mh; + log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar()); + return true; } -void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local) +ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt) { - if (!parameters) { - log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter"); - return; - } - - char modelist[MAXBUF]; - char outlist[MAXBUF]; - char outstr[MAXBUF]; - char outpars[32][MAXBUF]; - 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; - - if (pcnt < 2) - { - return; - } - - int MOD_RESULT = 0; - - if (IS_LOCAL(user)) - { - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE)); - if (MOD_RESULT == ACR_DENY) - return; - } - - log(DEBUG,"process_modes: start: parameters=%d",pcnt); - - strlcpy(modelist,parameters[1],MAXBUF); /* mode list, e.g. +oo-o * - * parameters[2] onwards are parameters for - * modes that require them :) */ - *outlist = '+'; - *(outlist+1) = 0; - mdir = 1; - - log(DEBUG,"process_modes: modelist: %s",modelist); - - std::string tidied = this->CompressModes(modelist,true); - strlcpy(modelist,tidied.c_str(),MAXBUF); - - int len = tidied.length(); - while (modelist[len-1] == ' ') - modelist[--len] = '\0'; - - bool next_cant_be_modifier = false; - char* modechar; - - for (modechar = modelist; *modechar; ptr++, modechar++) - { - r = NULL; - - /* If we have more than MAXMODES changes in one line, - * drop all after the MAXMODES - */ - if (pc > MAXMODES-1) - break; - - if ((*modechar != '+') && (*modechar != '-')) - next_cant_be_modifier = false; - - if (((*modechar == '+') || (*modechar == '-')) && ((*(modechar+1) == 0) || (*(modechar+1) == '+') || (*(modechar+1) == '-'))) - next_cant_be_modifier = true; - - { - switch (*modechar) - { - case '-': - if (!next_cant_be_modifier) - { - if (mdir != 0) - { - int t = strlen(outlist)-1; - if ((outlist[t] == '+') || (outlist[t] == '-')) - { - outlist[t] = '-'; - } - else - { - charlcat(outlist,'-',MAXBUF); - } - } - mdir = 0; - next_cant_be_modifier = true; - } - break; - - case '+': - if (!next_cant_be_modifier) - { - if (mdir != 1) - { - int t = strlen(outlist)-1; - if ((outlist[t] == '+') || (outlist[t] == '-')) - { - outlist[t] = '+'; - } - else - { - charlcat(outlist,'+',MAXBUF); - } - } - mdir = 1; - next_cant_be_modifier = true; - } - 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) - { - log(DEBUG,"calling GiveOps"); - 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) - { - log(DEBUG,"calling TakeOps"); - r = TakeOps(user,parameters[param++],chan,status); - } - else param++; - } - if (r) - { - charlcat(outlist,'o',MAXBUF); - strlcpy(outpars[pc++],r,MAXBUF); - } - 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) - { - charlcat(outlist,'h',MAXBUF); - strlcpy(outpars[pc++],r,MAXBUF); - } - 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) - { - charlcat(outlist,'v',MAXBUF); - strlcpy(outpars[pc++],r,MAXBUF); - } - 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) - { - charlcat(outlist,'b',MAXBUF); - strlcpy(outpars[pc++],parameters[param-1],MAXBUF); - } - break; - - - case 'k': - if ((param >= pcnt)) - break; + unsigned char mask = 0; + unsigned char pos = 0; - if (mdir == 1) - { - if (k_set) - break; - - if (previously_unset_k) - break; - previously_set_k = true; - - if (!*chan->key) - { - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], true, 1)); - if (!MOD_RESULT) - { - charlcat(outlist,'k',MAXBUF); - char key[MAXBUF]; - strlcpy(key,parameters[param++],32); - strlcpy(outpars[pc++],key,MAXBUF); - strlcpy(chan->key,key,MAXBUF); - 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)) - { - charlcat(outlist,'k',MAXBUF); - *chan->key = 0; - strlcpy(outpars[pc++],key,MAXBUF); - } - } - 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->limit) - { - charlcat(outlist,'l',MAXBUF); - chan->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; - } + if ((modeletter < 'A') || (modeletter > 'z')) + return NULL; - if (invalid) - break; - - 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) - { - charlcat(outlist,'l',MAXBUF); - strlcpy(outpars[pc++],parameters[param++],MAXBUF); - 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->binarymodes & CM_INVITEONLY)) charlcat(outlist,'i',MAXBUF); - chan->binarymodes |= CM_INVITEONLY; - } - else - { - if (chan->binarymodes & CM_INVITEONLY) charlcat(outlist,'i',MAXBUF); - chan->binarymodes &= ~CM_INVITEONLY; - } - } - break; - - case 't': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 't', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->binarymodes & CM_TOPICLOCK)) charlcat(outlist,'t',MAXBUF); - chan->binarymodes |= CM_TOPICLOCK; - } - else - { - if (chan->binarymodes & CM_TOPICLOCK) charlcat(outlist,'t',MAXBUF); - chan->binarymodes &= ~CM_TOPICLOCK; - } - } - break; - - case 'n': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'n', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->binarymodes & CM_NOEXTERNAL)) charlcat(outlist,'n',MAXBUF); - chan->binarymodes |= CM_NOEXTERNAL; - } - else - { - if (chan->binarymodes & CM_NOEXTERNAL) charlcat(outlist,'n',MAXBUF); - chan->binarymodes &= ~CM_NOEXTERNAL; - } - } - break; - - case 'm': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'm', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->binarymodes & CM_MODERATED)) charlcat(outlist,'m',MAXBUF); - chan->binarymodes |= CM_MODERATED; - } - else - { - if (chan->binarymodes & CM_MODERATED) charlcat(outlist,'m',MAXBUF); - chan->binarymodes &= ~CM_MODERATED; - } - } - break; - - case 's': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 's', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->binarymodes & CM_SECRET)) charlcat(outlist,'s',MAXBUF); - chan->binarymodes |= CM_SECRET; - if (chan->binarymodes & CM_PRIVATE) - { - chan->binarymodes &= ~CM_PRIVATE; - if (mdir) - { - strlcat(outlist,"-p+",MAXBUF); - } - } - } - else - { - if (chan->binarymodes & CM_SECRET) charlcat(outlist,'s',MAXBUF); - chan->binarymodes &= ~CM_SECRET; - } - } - break; - - case 'p': - MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'p', "", mdir, 0)); - if (!MOD_RESULT) - { - if (mdir) - { - if (!(chan->binarymodes & CM_PRIVATE)) charlcat(outlist,'p',MAXBUF); - chan->binarymodes |= CM_PRIVATE; - if (chan->binarymodes & CM_SECRET) - { - chan->binarymodes &= ~CM_SECRET; - if (mdir) - { - strlcat(outlist,"-s+",MAXBUF); - } - } - } - else - { - if (chan->binarymodes & CM_PRIVATE) charlcat(outlist,'p',MAXBUF); - chan->binarymodes &= ~CM_PRIVATE; - } - } - break; - - default: - log(DEBUG,"Preprocessing custom mode %c: modelist: %s",*modechar,chan->custom_modes); - string_list p; - p.clear(); - if (((!strchr(chan->custom_modes,*modechar)) && (!mdir)) || ((strchr(chan->custom_modes,*modechar)) && (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)) - { - log(DEBUG,"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 (ptr>0) - { - charlcat(outlist,*modechar,MAXBUF); - } - strlcpy(outpars[pc++],parameters[param++],MAXBUF); - } - } - else - { - if (ptr>0) - { - if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-')) - { - charlcat(outlist,*modechar,MAXBUF); - } - else if (!strchr(outlist,*modechar)) - { - charlcat(outlist,*modechar,MAXBUF); - } - } - chan->SetCustomMode(*modechar,mdir); - // include parameters in output if mode has them - if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) - { - chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir); - strlcpy(outpars[pc++],parameters[param++],MAXBUF); - } - } - // 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; - - } - } - } + mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (modeletter-65) | mask; - /* This means the mode line is something like: "+o-", we have to take the last char off. - if ((*--modechar == '-') || (*modechar == '+')) - { - log(DEBUG,"Cut off trailing modifier"); - *modechar = 0; - }*/ - /* The mode change must be at least two characters long (+ or - and at least one mode) */ - if (((*outlist == '+') || (*outlist == '-')) && *(outlist+1)) - { - strlcpy(outstr,outlist,MAXBUF); - for (ptr = 0; ptr < pc; ptr++) - { - charlcat(outstr,' ',MAXBUF); - strlcat(outstr,outpars[ptr],MAXBUF); - } - if (local) - { - log(DEBUG,"Local mode change"); - WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr); - FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outstr)); - } - else - { - if (servermode) - { - if (!silent) - { - WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outstr); - } - - } - else - { - if (!silent) - { - WriteChannel(chan,user,"MODE %s %s",chan->name,outstr); - FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outstr)); - } - } - } - } + return modehandlers[pos]; } -// 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::AllowedUmode(char umode, char* sourcemodes,bool adding,bool serveroverride) +bool ModeParser::AddModeWatcher(ModeWatcher* mw) { - 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')) - { - log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode); - return true; - } - - // user may not +o themselves or others, but an oper may de-oper other opers or themselves - if ((strchr(sourcemodes,'o')) && (!adding)) - { - log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode); - return true; - } - else if (umode == 'o') - { - log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode); - return false; - } - - // process any module-defined modes that need oper - if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o'))) - { - log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode); - return true; - } - else - if (ModeDefined(umode,MT_CLIENT)) - { - // 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)) && (!strchr(sourcemodes,'o'))) - { - // no, this mode needs oper, and this user 'aint got what it takes! - return false; - } - return true; - } + unsigned char mask = 0; + unsigned char pos = 0; - // anything else - return false. - log(DEBUG,"umode %c not known by any ruleset",umode); - return false; -} - -bool ModeParser::ProcessModuleUmode(char umode, userrec* source, void* dest, bool adding) -{ - userrec* s2; - bool faked = false; - if (!source) - { - 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; - } + if (!mw) return false; - } -} - -void cmd_mode::Handle (char **parameters, int pcnt, userrec *user) -{ - chanrec* Ptr; - userrec* dest; - int can_change; - int direction = 1; - char outpars[MAXBUF]; - - dest = Find(parameters[0]); - - if (!user) - { - return; - } - - if ((dest) && (pcnt == 1)) - { - WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes); - return; - } - - if ((dest) && (pcnt > 1)) - { - std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false); - parameters[1] = (char*)tidied.c_str(); - - char dmodes[MAXBUF]; - strlcpy(dmodes,dest->modes,52); - log(DEBUG,"pulled up dest user modes: %s",dmodes); - - can_change = 0; - if (user != dest) - { - if ((strchr(user->modes,'o')) || (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] = '+'; - outpars[1] = 0; - direction = 1; - - if ((parameters[1][0] != '+') && (parameters[1][0] != '-')) - return; - - for (unsigned int i = 0; i < strlen(parameters[1]); i++) - { - if (parameters[1][i] == ' ') - continue; - if (parameters[1][i] == '+') - { - if (direction != 1) - { - int t = strlen(outpars)-1; - if ((outpars[t] == '+') || (outpars[t] == '-')) - { - outpars[t] = '+'; - } - else - { - charlcat(outpars,'+',MAXBUF); - } - } - direction = 1; - } - else - if (parameters[1][i] == '-') - { - if (direction != 0) - { - int t = strlen(outpars)-1; - if ((outpars[t] == '+') || (outpars[t] == '-')) - { - outpars[t] = '-'; - } - else - { - charlcat(outpars,'-',MAXBUF); - } - } - direction = 0; - } - else - { - can_change = 0; - if (strchr(user->modes,'o')) - { - can_change = 1; - } - else - { - if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (ServerInstance->ModeGrok->AllowedUmode(parameters[1][i],user->modes,direction,false))) - { - can_change = 1; - } - } - if (can_change) - { - if (direction == 1) - { - if ((!strchr(dmodes,parameters[1][i])) && (ServerInstance->ModeGrok->AllowedUmode(parameters[1][i],user->modes,true,false))) - { - char umode = parameters[1][i]; - if ((ServerInstance->ModeGrok->ProcessModuleUmode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) - { - int q = strlen(dmodes); - int r = strlen(outpars); - dmodes[q+1]='\0'; - dmodes[q] = parameters[1][i]; - outpars[r+1]='\0'; - outpars[r] = parameters[1][i]; - if (parameters[1][i] == 'o') - { - FOREACH_MOD(I_OnGlobalOper,OnGlobalOper(dest)); - } - } - } - } - else - { - if ((ServerInstance->ModeGrok->AllowedUmode(parameters[1][i],user->modes,false,false)) && (strchr(dmodes,parameters[1][i]))) - { - char umode = parameters[1][i]; - if ((ServerInstance->ModeGrok->ProcessModuleUmode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) - { - unsigned int q = 0; - char temp[MAXBUF]; - - unsigned int r = strlen(outpars); - outpars[r+1]='\0'; - outpars[r] = parameters[1][i]; - - *temp = 0; - for (q = 0; q < strlen(dmodes); q++) - { - if (dmodes[q] != parameters[1][i]) - { - charlcat(temp,dmodes[q],MAXBUF); - } - } - strlcpy(dmodes,temp,52); - - if (umode == 'o') - { - *dest->oper = 0; - DeleteOper(dest); - } - } - } - } - } - } - } - if (outpars[0]) - { - char b[MAXBUF]; - *b = 0; - unsigned int z = 0; - unsigned int i = 0; - while (i < strlen (outpars)) - { - b[z++] = outpars[i++]; - b[z] = '\0'; - if (inick, b); - FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b)); - } - - if (strlen(dmodes)>MAXMODES) - { - dmodes[MAXMODES-1] = '\0'; - } - log(DEBUG,"Stripped mode line"); - log(DEBUG,"Line dest is now %s",dmodes); - strlcpy(dest->modes,dmodes,52); - - } - return; - } - - Ptr = FindChan(parameters[0]); - if (Ptr) - { - if (pcnt == 1) - { - /* just /modes #channel */ - WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr,has_channel(user,Ptr))); - WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created); - return; - } - else - if (pcnt == 2) - { - char* mode = parameters[1]; - if (*mode == '+') - mode++; - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnRawMode,OnRawMode(user, Ptr, *mode, "", false, 0)); - if (!MOD_RESULT) - { - if (*mode == 'b') - { - - for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++) - { - WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time); - } - WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->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,Ptr,*mode)); - return; - } - } - } + if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z')) + return false; - if (((Ptr) && (!has_channel(user,Ptr))) && (!is_uline(user->server)) && (IS_LOCAL(user))) - { - WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name); - return; - } + mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (mw->GetModeChar()-65) | mask; - if (Ptr) - { - int MOD_RESULT = 0; - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE)); - - if (MOD_RESULT == ACR_DENY) - return; - if (MOD_RESULT == ACR_DEFAULT) - { - if ((cstatus(user,Ptr) < STATUS_HOP) && (IS_LOCAL(user))) - { - WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name); - return; - } - } + modewatchers[pos].push_back(mw); + log(DEBUG,"ModeParser::AddModeWatcher: watching mode %c",mw->GetModeChar()); - ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false); - } - } - else - { - WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]); - } + return true; } - - - -void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user) +bool ModeParser::DelModeWatcher(ModeWatcher* mw) { - chanrec* Ptr; - userrec* dest; - int can_change; - int direction = 1; - char outpars[MAXBUF]; - - dest = Find(parameters[0]); - - // fix: ChroNiCk found this - we cant use this as debug if its null! - if (dest) - { - log(DEBUG,"server_mode on %s",dest->nick); - } + unsigned char mask = 0; + unsigned char pos = 0; - if ((dest) && (pcnt > 1)) - { - std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false); - parameters[1] = (char*)tidied.c_str(); + if (!mw) + return false; - char dmodes[MAXBUF]; - strlcpy(dmodes,dest->modes,52); + if ((mw->GetModeType() < 'A') || (mw->GetModeType() > 'z')) + return false; - outpars[0] = '+'; - outpars[1] = 0; - direction = 1; + mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (mw->GetModeChar()-65) | mask; - if ((parameters[1][0] != '+') && (parameters[1][0] != '-')) - return; + ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw); - for (unsigned int i = 0; i < strlen(parameters[1]); i++) - { - if (parameters[1][i] == ' ') - continue; - if (parameters[1][i] == '+') - { - if (direction != 1) - { - int t = strlen(outpars)-1; - if ((outpars[t] == '+') || (outpars[t] == '-')) - { - outpars[t] = '+'; - } - else - { - charlcat(outpars,'+',MAXBUF); - } - } - direction = 1; - } - else - if (parameters[1][i] == '-') - { - if (direction != 0) - { - int t = strlen(outpars)-1; - if ((outpars[t] == '+') || (outpars[t] == '-')) - { - outpars[t] = '-'; - } - else - { - charlcat(outpars,'-',MAXBUF); - } - } - direction = 0; - } - else - { - log(DEBUG,"begin mode processing entry"); - can_change = 1; - if (can_change) - { - if (direction == 1) - { - log(DEBUG,"umode %c being added",parameters[1][i]); - if ((!strchr(dmodes,parameters[1][i])) && (ServerInstance->ModeGrok->AllowedUmode(parameters[1][i],user->modes,true,true))) - { - char umode = parameters[1][i]; - log(DEBUG,"umode %c is an allowed umode",umode); - if ((ServerInstance->ModeGrok->ProcessModuleUmode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) - { - int v1 = strlen(dmodes); - int v2 = strlen(outpars); - dmodes[v1+1]='\0'; - dmodes[v1] = parameters[1][i]; - outpars[v2+1]='\0'; - outpars[v2] = parameters[1][i]; - } - } - } - else - { - // can only remove a mode they already have - log(DEBUG,"umode %c being removed",parameters[1][i]); - if ((ServerInstance->ModeGrok->AllowedUmode(parameters[1][i],user->modes,false,true)) && (strchr(dmodes,parameters[1][i]))) - { - char umode = parameters[1][i]; - log(DEBUG,"umode %c is an allowed umode",umode); - if ((ServerInstance->ModeGrok->ProcessModuleUmode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) - { - unsigned int q = 0; - char temp[MAXBUF]; - - unsigned int v1 = strlen(outpars); - outpars[v1+1]='\0'; - outpars[v1] = parameters[1][i]; - *temp = 0; - for (q = 0; q < strlen(dmodes); q++) - { - if (dmodes[q] != parameters[1][i]) - { - charlcat(temp,dmodes[q],MAXBUF); - } - } - strlcpy(dmodes,temp,52); - } - } - } - } - } - } - if (outpars[0]) - { - char b[MAXBUF]; - *b = 0; - unsigned int z = 0; - unsigned int i = 0; - while (i < strlen (outpars)) - { - b[z++] = outpars[i++]; - b[z] = '\0'; - if (inick, b); - FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b)); - } - - if (strlen(dmodes)>MAXMODES) - { - dmodes[MAXMODES-1] = '\0'; - } - log(DEBUG,"Stripped mode line"); - log(DEBUG,"Line dest is now %s",dmodes); - strlcpy(dest->modes,dmodes,MAXMODES); + modewatchers[pos].erase(a); + log(DEBUG,"ModeParser::DelModeWatcher: stopped watching mode %c",mw->GetModeChar()); - } + return true; +} - 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]); - } +ModeParser::ModeParser() +{ + /* Clear mode list */ + memset(modehandlers, 0, sizeof(modehandlers)); + memset(modewatchers, 0, sizeof(modewatchers)); + + /* Initialise the RFC mode letters */ + + /* Start with channel simple modes, no params */ + this->AddMode(new ModeChannelSecret, 's'); + this->AddMode(new ModeChannelPrivate, 'p'); + this->AddMode(new ModeChannelModerated, 'm'); + this->AddMode(new ModeChannelTopicOps, 't'); + this->AddMode(new ModeChannelNoExternal, 'n'); + this->AddMode(new ModeChannelInviteOnly, 'i'); + + /* Cannel modes with params */ + this->AddMode(new ModeChannelKey, 'k'); + this->AddMode(new ModeChannelLimit, 'l'); + + /* Channel listmodes */ + this->AddMode(new ModeChannelBan, 'b'); + this->AddMode(new ModeChannelOp, 'o'); + this->AddMode(new ModeChannelHalfOp, 'h'); + this->AddMode(new ModeChannelVoice, 'v'); + + /* Now for usermodes */ + this->AddMode(new ModeUserServerNotice, 's'); + this->AddMode(new ModeUserWallops, 'w'); + this->AddMode(new ModeUserInvisible, 'i'); + this->AddMode(new ModeUserOperator, 'o'); + this->AddMode(new ModeUserServerNoticeMask, 'n'); } +