X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmode.cpp;h=7290248619fbf0a631b6d6b7ee56a8d5054c6583;hb=5afabf1b3c0f3aff6c0ed9f9dc568c5895eae417;hp=3842b01e6ea02301b5d3b86e2221d89948dd1409;hpb=129416e519319360c336cb3905210fdb9b531ae2;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/mode.cpp b/src/mode.cpp index 3842b01e6..729024861 100644 --- a/src/mode.cpp +++ b/src/mode.cpp @@ -23,11 +23,7 @@ using namespace std; #include #include #include -#ifdef GCC3 -#include -#else -#include -#endif +#include "hash_map.h" #include #include #include @@ -46,6 +42,15 @@ using namespace std; #include "helperfuncs.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" + extern int MODCOUNT; extern std::vector modules; extern std::vector factory; @@ -54,7 +59,8 @@ 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) +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) { } @@ -379,122 +385,34 @@ char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status) 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; - - 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; - } - - 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)) - { - // 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; -} - -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; - } - - 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; -} - void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool servermode) { std::string target = parameters[0]; ModeType type = MODETYPE_USER; + unsigned char mask = 0; chanrec* targetchannel = FindChan(parameters[0]); userrec* targetuser = Find(parameters[0]); + log(DEBUG,"ModeParser::Process start"); + if (pcnt > 1) { if (targetchannel) { + log(DEBUG,"Target type is CHANNEL"); type = MODETYPE_CHANNEL; + mask = MASK_CHANNEL; } else if (targetuser) { + log(DEBUG,"Target type is USER"); type = MODETYPE_USER; + mask = MASK_USER; } else { /* No such nick/channel */ + log(DEBUG,"Target type is UNKNOWN, bailing"); return; } std::string mode_sequence = parameters[1]; @@ -509,6 +427,9 @@ void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool server { switch (*modeletter) { + + log(DEBUG,"Iterate mode letter %c",*modeletter); + /* 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 @@ -533,49 +454,74 @@ void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool server break; default: - /* 65 is the ascii value of 'A' */ - handler_id = *modeletter - 65; + /** + * 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 = (*modeletter - 65) | mask; if (modehandlers[handler_id]) { bool abort = false; + + log(DEBUG,"Found a ModeHandler* for mode %c",*modeletter); + for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) { + log(DEBUG,"Call a ModeWatcher*"); if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY) abort = true; } if ((modehandlers[handler_id]->GetModeType() == type) && (!abort)) { + log(DEBUG,"Modetype match, calling handler"); + if (modehandlers[handler_id]->GetNumParams(adding)) { - if (pcnt < parameter_counter) + log(DEBUG,"ModeHandler* for this mode says it has parameters. pcnt=%d parameter_counter=%d",pcnt,parameter_counter); + + if (parameter_counter < pcnt) { parameter = parameters[parameter_counter++]; } else { - parameter = ""; + /* No parameter, continue to the next mode */ + continue; } } ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding); if (ma == MODEACTION_ALLOW) { + log(DEBUG,"ModeAction was allow"); + /* We're about to output a valid mode letter - was there previously a pending state-change? */ if (state_change) + { + log(DEBUG,"Appending state change"); output_sequence.append(adding ? "+" : "-"); + } /* Add the mode letter */ output_sequence = output_sequence + *modeletter; + log(DEBUG,"Added mode letter to output sequence, sequence now: '%s'",output_sequence.c_str()); /* Is there a valid parameter for this mode? If so add it to the parameter list */ if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != "")) { + log(DEBUG,"Added parameter to parameter_list, list now: '%s'",parameter_list.str().c_str()); 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++) { + log(DEBUG,"Called a ModeWatcher* after event"); (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type); } @@ -601,6 +547,7 @@ void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool server { 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())); } @@ -609,1143 +556,93 @@ void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool server } } -std::string ModeParser::CompressModes(std::string modes,bool channelmodes) -{ - return ""; -} -void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local) +void cmd_mode::Handle (char **parameters, int pcnt, userrec *user) { - if ((!parameters) || (pcnt < 2)) { + if (!user) return; - } - - 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)) - { - FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE)); - if (MOD_RESULT == ACR_DENY) - return; - } - - std::string tidied = this->CompressModes(parameters[1],true); - strlcpy(mlist,tidied.c_str(),MAXBUF); - char* modelist = mlist; - - *outlist = *modelist; - char* outl = outlist+1; - - mdir = (*modelist == '+'); - - log(DEBUG,"process_modes: modelist: %s",modelist); - - int len = tidied.length(); - while (modelist[len-1] == ' ') - modelist[--len] = '\0'; - - for (char* modechar = (modelist + 1); *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; - - - - switch (*modechar) - { - 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; - - - case 'k': - if ((param >= pcnt)) - break; - 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; - } - - 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) - { - *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) - { - 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; - } - } - 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) - { - if(mdir) - { - if(!(chan->modes[CM_PRIVATE])) - *outl++ = 'p'; - - chan->modes[CM_PRIVATE] = 1; - - if(chan->modes[CM_SECRET]) - { - chan->modes[CM_SECRET] = 0; + ServerInstance->ModeGrok->Process(parameters, pcnt, user, false); - *outl++ = '-'; - *outl++ = 's'; - *outl++ = '+'; - } - } - else - { - if(chan->modes[CM_PRIVATE]) - *outl++ = 'p'; - - chan->modes[CM_PRIVATE] = 0; - } - } - 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 ************/ + return; +} +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 */ - /* The mode change must be at least two characters long (+ or - and at least one mode) */ - if (((*outl == '+') || (*outl == '-')) && *(outl+1)) + if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos)) { - for (ptr = 0; ptr < pc; ptr++) + /* Just a nick, or just a host */ + if ((pos_of_dot == std::string::npos) && (pos_of_colon == std::string::npos)) { - 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)); + /* It has no '.' in it, it must be a nick. */ + mask.append("!*@*"); } 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)); - } - } + /* Got a dot in it? Has to be a host */ + mask = "*!*@" + mask; } } -} - -// 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 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')) + else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos)) { - /* umode allowed by RFC1459 scemantics */ - return true; + /* Has an @ but no !, its a user@host */ + mask = "*!" + mask; } - - /* user may not +o themselves or others, but an oper may de-oper other opers or themselves */ - if (sourceoper && !adding) + else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos)) { - 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)) - { - // 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)) - { - // no, this mode needs oper, and this user 'aint got what it takes! - return false; - } - return true; + /* Has a ! but no @, it must be a nick!ident */ + mask.append("@*"); } - // 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 + /* Check for dumb stuff like *@*!* + * swap the two items over so that at least the n!u@h ordering + * is correct even if the elements may not be + */ + if (pos_of_pling > pos_of_at) { - if (faked) - { - delete s2; - source = NULL; - } - return false; + mask.replace(pos_of_pling, 1, "@"); + mask.replace(pos_of_at, 1, "!"); } } -void cmd_mode::Handle (char **parameters, int pcnt, userrec *user) +bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter) { - 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; + unsigned char mask = 0; + unsigned char pos = 0; - 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(); - - char dmodes[MAXBUF]; - strlcpy(dmodes,dest->modes,MAXMODES); - log(DEBUG,"pulled up dest user modes: %s",dmodes); - - 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 ((*parameters[1] != '+') && (*parameters[1] != '-')) - return; - - for (char* i = parameters[1]; *i; i++) - { - if ((i != parameters[1]) && (*i != '+') && (*i != '-')) - next_ok = true; - - switch (*i) - { - case ' ': - continue; - - case '+': - if ((direction != 1) && (next_ok)) - { - charlcat(outpars,'+',MAXBUF); - next_ok = false; - } - direction = 1; - break; - - case '-': - if ((direction != 0) && (next_ok)) - { - charlcat(outpars,'-',MAXBUF); - next_ok = false; - } - direction = 0; - break; - - 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; - - 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; - - 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)); - } + /* 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 ((modeletter < 'A') || (modeletter > 'z')) + return false; - log(DEBUG,"Stripped mode line"); - log(DEBUG,"Line dest is now %s",dmodes); - strlcpy(dest->modes,dmodes,MAXMODES-1); + mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL; + pos = (modeletter-65) | mask; - } - - 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 (modehandlers[pos]) + return false; - 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]); - } - } + modehandlers[pos] = mh; + log(DEBUG,"ModeParser::AddMode: added mode %c",modeletter); + return true; } - - - -void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user) +ModeParser::ModeParser() { - 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(); - - char dmodes[MAXBUF]; - strlcpy(dmodes,dest->modes,MAXBUF); - - outpars[0] = *parameters[1]; - outpars[1] = 0; - direction = (*parameters[1] == '+'); - - if ((*parameters[1] != '+') && (*parameters[1] != '-')) - return; + /* Clear mode list */ + memset(modehandlers, 0, sizeof(modehandlers)); + memset(modewatchers, 0, sizeof(modewatchers)); - for (char* i = parameters[1]; *i; i++) - { - if ((i != parameters[1]) && (*i != '+') && (*i != '-')) - next_ok = true; - - switch (*i) - { - case ' ': - continue; - - case '+': - if ((direction != 1) && (next_ok)) - { - next_ok = false; - charlcat(outpars,'+',MAXBUF); - } - direction = 1; - break; - - case '-': - if ((direction != 0) && (next_ok)) - { - next_ok = false; - charlcat(outpars,'-',MAXBUF); - } - direction = 0; - break; - - 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; - - 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; - - 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)); - } - - log(DEBUG,"Stripped mode line"); - log(DEBUG,"Line dest is now %s",dmodes); - strlcpy(dest->modes,dmodes,MAXMODES-1); - - } - - 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]); - } + /* Initialise the RFC mode letters */ + this->AddMode(new ModeChannelSecret, 's'); + this->AddMode(new ModeChannelPrivate, 'p'); + this->AddMode(new ModeChannelBan, 'b'); + this->AddMode(new ModeChannelModerated, 'm'); } +