/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * Inspire is copyright (C) 2002-2004 ChatSpike-Dev. * E-mail: * * * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ #include "inspircd.h" #include "inspircd_io.h" #include "inspircd_util.h" #include "inspircd_config.h" #include #include #include #include #include #include #include #include #ifdef GCC3 #include #else #include #endif #include #include #include #include #include #include #include #include #include "connection.h" #include "users.h" #include "servers.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" using namespace std; extern int MODCOUNT; extern std::vector modules; extern std::vector factory; extern std::vector module_names; extern int LogLevel; extern char ServerName[MAXBUF]; extern char Network[MAXBUF]; extern char ServerDesc[MAXBUF]; extern char AdminName[MAXBUF]; extern char AdminEmail[MAXBUF]; extern char AdminNick[MAXBUF]; extern char diepass[MAXBUF]; extern char restartpass[MAXBUF]; extern char motd[MAXBUF]; extern char rules[MAXBUF]; extern char list[MAXBUF]; extern char PrefixQuit[MAXBUF]; extern char DieValue[MAXBUF]; extern bool AllowHalfop; extern bool AllowProtect; extern bool AllowFounder; char* give_ops(userrec *user,char *dest,chanrec *chan,int status) { userrec *d; int i; if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter"); return NULL; } if (!isnick(dest)) { log(DEFAULT,"the target nickname given to give_ops was invalid"); WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } d = Find(dest); if (!d) { log(DEFAULT,"the target nickname given to give_ops couldnt be found"); WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } else { int MOD_RESULT = 0; FOREACH_RESULT(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))) { 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; } } for (int i = 0; i != MAXCHANS; 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 */ log(DEFAULT,"The target user given to give_ops was already opped on the channel"); return NULL; } d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP; log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick); return d->nick; } } log(DEFAULT,"The target channel given to give_ops was not in the users mode list"); } return NULL; } char* give_hops(userrec *user,char *dest,chanrec *chan,int status) { userrec *d; int i; if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter"); return NULL; } d = Find(dest); if (!isnick(dest)) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } if (!d) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } else { int MOD_RESULT = 0; FOREACH_RESULT(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; } } for (int i = 0; i != MAXCHANS; 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_HOP) { /* mode already set on user, dont allow multiple */ return NULL; } d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP; log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick); return d->nick; } } } return NULL; } char* give_voice(userrec *user,char *dest,chanrec *chan,int status) { userrec *d; int i; if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter"); return NULL; } d = Find(dest); if (!isnick(dest)) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } if (!d) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } else { int MOD_RESULT = 0; FOREACH_RESULT(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; } } for (int i = 0; i != MAXCHANS; 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_VOICE) { /* mode already set on user, dont allow multiple */ return NULL; } d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE; log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick); return d->nick; } } } return NULL; } char* take_ops(userrec *user,char *dest,chanrec *chan,int status) { userrec *d; int i; if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter"); return NULL; } d = Find(dest); if (!isnick(dest)) { log(DEBUG,"take_ops was given an invalid target nickname of %s",dest); WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } if (!d) { log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest); WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } else { int MOD_RESULT = 0; FOREACH_RESULT(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))) { WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name); return NULL; } } for (int i = 0; i != MAXCHANS; 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; log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick); return d->nick; } } log(DEBUG,"take_ops couldnt locate the target channel in the target users list"); } return NULL; } char* take_hops(userrec *user,char *dest,chanrec *chan,int status) { userrec *d; int i; if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter"); return NULL; } d = Find(dest); if (!isnick(dest)) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } if (!d) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } else { int MOD_RESULT = 0; FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEHALFOP)); 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 are not a channel operator",user->nick, chan->name); return NULL; } } for (int i = 0; i != MAXCHANS; 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_HOP) == 0) { /* mode already set on user, dont allow multiple */ return NULL; } d->chans[i].uc_modes ^= UCMODE_HOP; log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick); return d->nick; } } } return NULL; } char* take_voice(userrec *user,char *dest,chanrec *chan,int status) { userrec *d; int i; if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter"); return NULL; } d = Find(dest); if (!isnick(dest)) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } if (!d) { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest); return NULL; } else { int MOD_RESULT = 0; FOREACH_RESULT(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; } } for (int i = 0; i != MAXCHANS; 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_VOICE) == 0) { /* mode already set on user, dont allow multiple */ return NULL; } d->chans[i].uc_modes ^= UCMODE_VOICE; log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick); return d->nick; } } } return NULL; } char* add_ban(userrec *user,char *dest,chanrec *chan,int status) { if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter"); return NULL; } BanItem b; if ((!user) || (!dest) || (!chan)) return NULL; if (strchr(dest,'!')==0) return NULL; if (strchr(dest,'@')==0) return NULL; for (int i = 0; i < strlen(dest); i++) if (dest[i] < 32) return NULL; for (int i = 0; i < strlen(dest); i++) if (dest[i] > 126) return NULL; int c = 0; for (int i = 0; i < strlen(dest); i++) if (dest[i] == '!') c++; if (c>1) return NULL; c = 0; for (int i = 0; i < strlen(dest); i++) if (dest[i] == '@') c++; if (c>1) return NULL; log(DEBUG,"add_ban: %s %s",chan->name,user->nick); 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(NULL); strncpy(b.data,dest,MAXBUF); strncpy(b.set_by,user->nick,NICKMAX); chan->bans.push_back(b); return dest; } char* take_ban(userrec *user,char *dest,chanrec *chan,int status) { if ((!user) || (!dest) || (!chan)) { log(DEFAULT,"*** BUG *** take_ban 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)) { chan->bans.erase(i); return dest; } } return NULL; } void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local) { 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; if (pcnt < 2) { return; } int MOD_RESULT = 0; FOREACH_RESULT(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 :) */ strlcpy(outlist,"+",MAXBUF); mdir = 1; log(DEBUG,"process_modes: modelist: %s",modelist); for (ptr = 0; ptr < strlen(modelist); ptr++) { r = NULL; { log(DEBUG,"process_modes: modechar: %c",modelist[ptr]); char modechar = modelist[ptr]; switch (modelist[ptr]) { case '-': if (mdir != 0) { if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-')) { outlist[strlen(outlist)-1] = '-'; } else { strcat(outlist,"-"); } } mdir = 0; break; case '+': if (mdir != 1) { if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-')) { outlist[strlen(outlist)-1] = '+'; } else { strcat(outlist,"+"); } } mdir = 1; break; case 'o': log(DEBUG,"Ops"); if ((param >= pcnt)) break; log(DEBUG,"Enough parameters left"); if (mdir == 1) { log(DEBUG,"calling give_ops"); r = give_ops(user,parameters[param++],chan,status); } else { log(DEBUG,"calling take_ops"); r = take_ops(user,parameters[param++],chan,status); } if (r) { strlcat(outlist,"o",MAXBUF); strlcpy(outpars[pc++],r,MAXBUF); } break; case 'h': if (((param >= pcnt)) || (!AllowHalfop)) break; if (mdir == 1) { r = give_hops(user,parameters[param++],chan,status); } else { r = take_hops(user,parameters[param++],chan,status); } if (r) { strlcat(outlist,"h",MAXBUF); strlcpy(outpars[pc++],r,MAXBUF); } break; case 'v': if ((param >= pcnt)) break; if (mdir == 1) { r = give_voice(user,parameters[param++],chan,status); } else { r = take_voice(user,parameters[param++],chan,status); } if (r) { strlcat(outlist,"v",MAXBUF); strlcpy(outpars[pc++],r,MAXBUF); } break; case 'b': if ((param >= pcnt)) break; if (mdir == 1) { r = add_ban(user,parameters[param++],chan,status); } else { r = take_ban(user,parameters[param++],chan,status); } if (r) { strlcat(outlist,"b",MAXBUF); strlcpy(outpars[pc++],parameters[param-1],MAXBUF); } break; case 'k': if ((param >= pcnt)) break; if (mdir == 1) { if (k_set) break; if (!strcmp(chan->key,"")) { strcat(outlist,"k"); char key[MAXBUF]; strlcpy(key,parameters[param++],MAXBUF); if (strlen(key)>32) { key[31] = '\0'; } strlcpy(outpars[pc++],key,MAXBUF); strlcpy(chan->key,key,MAXBUF); k_set = true; } } else { /* checks on -k are case sensitive and only accurate to the first 32 characters */ char key[MAXBUF]; strlcpy(key,parameters[param++],MAXBUF); if (strlen(key)>32) { key[31] = '\0'; } /* only allow -k if correct key given */ if (!strcmp(chan->key,key)) { strlcat(outlist,"k",MAXBUF); strlcpy(chan->key,"",MAXBUF); strlcpy(outpars[pc++],key,MAXBUF); } } break; case 'l': if (mdir == 0) { if (chan->limit) { strcat(outlist,"l"); chan->limit = 0; } } if ((param >= pcnt)) break; if (mdir == 1) { if (l_set) break; bool invalid = false; for (int i = 0; i < strlen(parameters[param]); i++) { if ((parameters[param][i] < '0') || (parameters[param][i] > '9')) { invalid = true; } } if (atoi(parameters[param]) < 1) { invalid = true; } if (invalid) break; chan->limit = atoi(parameters[param]); // reported by mech: large values cause underflow if (chan->limit < 0) chan->limit = 0x7FFFFF; if (chan->limit) { strlcat(outlist,"l",MAXBUF); strlcpy(outpars[pc++],parameters[param++],MAXBUF); l_set = true; } } break; case 'i': if (chan->inviteonly != mdir) { strlcat(outlist,"i",MAXBUF); } chan->inviteonly = mdir; break; case 't': if (chan->topiclock != mdir) { strlcat(outlist,"t",MAXBUF); } chan->topiclock = mdir; break; case 'n': if (chan->noexternal != mdir) { strlcat(outlist,"n",MAXBUF); } chan->noexternal = mdir; break; case 'm': if (chan->moderated != mdir) { strlcat(outlist,"m",MAXBUF); } chan->moderated = mdir; break; case 's': if (chan->secret != mdir) { strcat(outlist,"s"); if (chan->c_private) { chan->c_private = 0; if (mdir) { strlcat(outlist,"-p+",MAXBUF); } else { strlcat(outlist,"+p-",MAXBUF); } } } chan->secret = mdir; break; case 'p': if (chan->c_private != mdir) { strlcat(outlist,"p",MAXBUF); if (chan->secret) { chan->secret = 0; if (mdir) { strlcat(outlist,"-s+",MAXBUF); } else { strlcat(outlist,"+s-",MAXBUF); } } } chan->c_private = mdir; 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++; } } 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"); char app[] = {modechar, 0}; if (ModeIsListMode(modechar,MT_CHANNEL)) { if (t == -1) { pc++; } else { if (ptr>0) { strlcat(outlist, app,MAXBUF); } strlcpy(outpars[pc++],parameters[param++],MAXBUF); } } else { if (ptr>0) { if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-')) { strlcat(outlist, app,MAXBUF); } else if (!strchr(outlist,modechar)) { strlcat(outlist, app,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; } } } /* this ensures only the *valid* modes are sent out onto the network */ while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+')) { outlist[strlen(outlist)-1] = '\0'; } if (strcmp(outlist,"")) { strlcpy(outstr,outlist,MAXBUF); for (ptr = 0; ptr < pc; ptr++) { strlcat(outstr," ",MAXBUF); strlcat(outstr,outpars[ptr],MAXBUF); } if (local) { log(DEBUG,"Local mode change"); WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr); } else { if (servermode) { if (!silent) { WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr); // M token for a usermode must go to all servers char buffer[MAXBUF]; snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr); NetSendToAll(buffer); } } else { if (!silent) { WriteChannel(chan,user,"MODE %s %s",chan->name,outstr); // M token for a usermode must go to all servers char buffer[MAXBUF]; snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr); NetSendToAll(buffer); } } } } } // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others. bool allowed_umode(char umode, char* sourcemodes,bool adding) { log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes); // 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; } // anything else - return false. log(DEBUG,"umode %c not known by any ruleset",umode); return false; } bool process_module_umode(char umode, userrec* source, void* dest, bool adding) { userrec* s2; bool faked = false; if (!source) { s2 = new userrec; strlcpy(s2->nick,ServerName,NICKMAX); strcpy(s2->modes,"o"); 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",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; } } void handle_mode(char **parameters, int pcnt, userrec *user) { chanrec* Ptr; userrec* dest; int can_change,i; 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)) { char dmodes[MAXBUF]; strlcpy(dmodes,dest->modes,MAXBUF); log(DEBUG,"pulled up dest user modes: %s",dmodes); can_change = 0; if (user != dest) { if (strchr(user->modes,'o')) { 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; } strcpy(outpars,"+"); direction = 1; if ((parameters[1][0] != '+') && (parameters[1][0] != '-')) return; for (int i = 0; i < strlen(parameters[1]); i++) { if (parameters[1][i] == '+') { if (direction != 1) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '+'; } else { strcat(outpars,"+"); } } direction = 1; } else if (parameters[1][i] == '-') { if (direction != 0) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '-'; } else { strcat(outpars,"-"); } } 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') || (allowed_umode(parameters[1][i],user->modes,direction))) { can_change = 1; } } if (can_change) { if (direction == 1) { if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true))) { char umode = parameters[1][i]; if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { dmodes[strlen(dmodes)+1]='\0'; dmodes[strlen(dmodes)] = parameters[1][i]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; } } } else { if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i]))) { char umode = parameters[1][i]; if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { int q = 0; char temp[MAXBUF]; char moo[MAXBUF]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; strcpy(temp,""); for (q = 0; q < strlen(dmodes); q++) { if (dmodes[q] != parameters[1][i]) { moo[0] = dmodes[q]; moo[1] = '\0'; strlcat(temp,moo,MAXBUF); } } strlcpy(dmodes,temp,MAXBUF); } } } } } } if (strlen(outpars)) { char b[MAXBUF]; strlcpy(b,"",MAXBUF); int z = 0; int i = 0; while (i < strlen (outpars)) { b[z++] = outpars[i++]; b[z] = '\0'; if (inick, b); // M token for a usermode must go to all servers char buffer[MAXBUF]; snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b); NetSendToAll(buffer); 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); } 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)); WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created); return; } else if (pcnt == 2) { if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"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; } } int MOD_RESULT = 0; FOREACH_RESULT(OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE)); if (MOD_RESULT == ACR_DENY) return; if (MOD_RESULT == ACR_DEFAULT) { if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr)) { 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; } } process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false); } else { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]); } } void server_mode(char **parameters, int pcnt, userrec *user) { chanrec* Ptr; userrec* dest; int can_change,i; 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); } if ((dest) && (pcnt > 1)) { log(DEBUG,"params > 1"); char dmodes[MAXBUF]; strlcpy(dmodes,dest->modes,MAXBUF); strcpy(outpars,"+"); direction = 1; if ((parameters[1][0] != '+') && (parameters[1][0] != '-')) return; for (int i = 0; i < strlen(parameters[1]); i++) { if (parameters[1][i] == '+') { if (direction != 1) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '+'; } else { strcat(outpars,"+"); } } direction = 1; } else if (parameters[1][i] == '-') { if (direction != 0) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '-'; } else { strcat(outpars,"-"); } } 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])) && (allowed_umode(parameters[1][i],user->modes,true))) { char umode = parameters[1][i]; log(DEBUG,"umode %c is an allowed umode",umode); if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { dmodes[strlen(dmodes)+1]='\0'; dmodes[strlen(dmodes)] = parameters[1][i]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; } } } else { // can only remove a mode they already have log(DEBUG,"umode %c being removed",parameters[1][i]); if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i]))) { char umode = parameters[1][i]; log(DEBUG,"umode %c is an allowed umode",umode); if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { int q = 0; char temp[MAXBUF]; char moo[MAXBUF]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; strcpy(temp,""); for (q = 0; q < strlen(dmodes); q++) { if (dmodes[q] != parameters[1][i]) { moo[0] = dmodes[q]; moo[1] = '\0'; strlcat(temp,moo,MAXBUF); } } strlcpy(dmodes,temp,MAXBUF); } } } } } } if (strlen(outpars)) { char b[MAXBUF]; strlcpy(b,"",MAXBUF); int z = 0; int i = 0; while (i < strlen (outpars)) { b[z++] = outpars[i++]; b[z] = '\0'; if (inick, b); // M token for a usermode must go to all servers char buffer[MAXBUF]; snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b); NetSendToAll(buffer); 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); } return; } Ptr = FindChan(parameters[0]); if (Ptr) { process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false); } else { WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]); } } void merge_mode(char **parameters, int pcnt) { chanrec* Ptr; userrec* dest; int can_change,i; 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,"merge_mode on %s",dest->nick); } if ((dest) && (pcnt > 1)) { log(DEBUG,"params > 1"); char dmodes[MAXBUF]; strlcpy(dmodes,dest->modes,MAXBUF); strcpy(outpars,"+"); direction = 1; if ((parameters[1][0] != '+') && (parameters[1][0] != '-')) return; for (int i = 0; i < strlen(parameters[1]); i++) { if (parameters[1][i] == '+') { if (direction != 1) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '+'; } else { strcat(outpars,"+"); } } direction = 1; } else if (parameters[1][i] == '-') { if (direction != 0) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '-'; } else { strcat(outpars,"-"); } } 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])) && (allowed_umode(parameters[1][i],"o",true))) { char umode = parameters[1][i]; log(DEBUG,"umode %c is an allowed umode",umode); if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { dmodes[strlen(dmodes)+1]='\0'; dmodes[strlen(dmodes)] = parameters[1][i]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; } } } else { // can only remove a mode they already have log(DEBUG,"umode %c being removed",parameters[1][i]); if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i]))) { char umode = parameters[1][i]; log(DEBUG,"umode %c is an allowed umode",umode); if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { int q = 0; char temp[MAXBUF]; char moo[MAXBUF]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; strcpy(temp,""); for (q = 0; q < strlen(dmodes); q++) { if (dmodes[q] != parameters[1][i]) { moo[0] = dmodes[q]; moo[1] = '\0'; strlcat(temp,moo,MAXBUF); } } strlcpy(dmodes,temp,MAXBUF); } } } } } } if (strlen(outpars)) { char b[MAXBUF]; strcpy(b,""); int z = 0; int i = 0; while (i < strlen (outpars)) { b[z++] = outpars[i++]; b[z] = '\0'; if (iMAXMODES) { dmodes[MAXMODES-1] = '\0'; } log(DEBUG,"Stripped mode line"); log(DEBUG,"Line dest is now %s",dmodes); strlcpy(dest->modes,dmodes,MAXMODES); } return; } Ptr = FindChan(parameters[0]); if (Ptr) { userrec s2; strlcpy(s2.nick,ServerName,NICKMAX); strcpy(s2.modes,"o"); s2.fd = -1; process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false); } } void merge_mode2(char **parameters, int pcnt, userrec* user) { chanrec* Ptr; userrec* dest; int can_change,i; 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,"merge_mode on %s",dest->nick); } if ((dest) && (pcnt > 1)) { log(DEBUG,"params > 1"); char dmodes[MAXBUF]; strlcpy(dmodes,dest->modes,MAXBUF); strcpy(outpars,"+"); direction = 1; if ((parameters[1][0] == ':') && (strlen(parameters[1])>1)) { // some stupid 3rd party things (such as services packages) put a colon on the mode list... log(DEBUG,"Some muppet put a colon on the modelist! changed to '%s'",++parameters[1]); } if ((parameters[1][0] != '+') && (parameters[1][0] != '-')) return; for (int i = 0; i < strlen(parameters[1]); i++) { if (parameters[1][i] == '+') { if (direction != 1) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '+'; } else { strcat(outpars,"+"); } } direction = 1; } else if (parameters[1][i] == '-') { if (direction != 0) { if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-')) { outpars[strlen(outpars)-1] = '-'; } else { strcat(outpars,"-"); } } 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])) && (allowed_umode(parameters[1][i],user->modes,true))) { char umode = parameters[1][i]; log(DEBUG,"umode %c is an allowed umode",umode); if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { dmodes[strlen(dmodes)+1]='\0'; dmodes[strlen(dmodes)] = parameters[1][i]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; log(DEBUG,"OUTPARS='%s', DMODES='%s'",outpars,dmodes); } } } else { // can only remove a mode they already have log(DEBUG,"umode %c being removed",parameters[1][i]); if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i]))) { char umode = parameters[1][i]; log(DEBUG,"umode %c is an allowed umode",umode); if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o')) { int q = 0; char temp[MAXBUF]; char moo[MAXBUF]; outpars[strlen(outpars)+1]='\0'; outpars[strlen(outpars)] = parameters[1][i]; strcpy(temp,""); for (q = 0; q < strlen(dmodes); q++) { if (dmodes[q] != parameters[1][i]) { moo[0] = dmodes[q]; moo[1] = '\0'; strlcat(temp,moo,MAXBUF); } } strlcpy(dmodes,temp,MAXBUF); } } } } } } log(DEBUG,"DONE! OUTPARS='%s', DMODES='%s'",outpars,dmodes); if (strlen(outpars)) { char b[MAXBUF]; strcpy(b,""); int z = 0; int i = 0; while (i < strlen (outpars)) { b[z++] = outpars[i++]; b[z] = '\0'; if (inick,b); log(DEBUG,"Sent: :%s MODE %s",user->nick,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); } return; } Ptr = FindChan(parameters[0]); if (Ptr) { log(DEBUG,"merge_mode2: found channel %s",Ptr->name); if (Ptr) { if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server))) { return; } process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true); } } }