src/mode.cpp

   1 #include "inspircd.h"
   2 #include "inspircd_io.h"
   3 #include "inspircd_util.h"
   4 #include "inspircd_config.h"
   5 #include <unistd.h>
   6 #include <fcntl.h>
   7 #include <sys/errno.h>
   8 #include <sys/ioctl.h>
   9 #include <sys/utsname.h>
  10 #include <cstdio>
  11 #include <time.h>
  12 #include <string>
  13 #ifdef GCC3
  14 #include <ext/hash_map>
  15 #else
  16 #include <hash_map>
  17 #endif
  18 #include <map>
  19 #include <sstream>
  20 #include <vector>
  21 #include <errno.h>
  22 #include <deque>
  23 #include <errno.h>
  24 #include <unistd.h>
  25 #include <sched.h>
  26 #include "connection.h"
  27 #include "users.h"
  28 #include "servers.h"
  29 #include "ctables.h"
  30 #include "globals.h"
  31 #include "modules.h"
  32 #include "dynamic.h"
  33 #include "wildcard.h"
  34 #include "message.h"
  35 #include "commands.h"
  36 #include "xline.h"
  37
  38 using namespace std;
  39
  40 extern int MODCOUNT;
  41 extern vector<Module*> modules;
  42 extern vector<ircd_module*> factory;
  43
  44 extern int LogLevel;
  45 extern char ServerName[MAXBUF];
  46 extern char Network[MAXBUF];
  47 extern char ServerDesc[MAXBUF];
  48 extern char AdminName[MAXBUF];
  49 extern char AdminEmail[MAXBUF];
  50 extern char AdminNick[MAXBUF];
  51 extern char diepass[MAXBUF];
  52 extern char restartpass[MAXBUF];
  53 extern char motd[MAXBUF];
  54 extern char rules[MAXBUF];
  55 extern char list[MAXBUF];
  56 extern char PrefixQuit[MAXBUF];
  57 extern char DieValue[MAXBUF];
  58
  59 int give_ops(userrec *user,char *dest,chanrec *chan,int status)
  60 {
  61         userrec *d;
  62         int i;
  63
  64         if ((!user) || (!dest) || (!chan))
  65         {
  66                 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
  67                 return 0;
  68         }
  69         if ((status < STATUS_OP) && (!is_uline(user->server)))
  70         {
  71                 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
  72                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
  73                 return 0;
  74         }
  75         else
  76         {
  77                 if (!isnick(dest))
  78                 {
  79                         log(DEFAULT,"the target nickname given to give_ops was invalid");
  80                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
  81                         return 0;
  82                 }
  83                 d = Find(dest);
  84                 if (!d)
  85                 {
  86                         log(DEFAULT,"the target nickname given to give_ops couldnt be found");
  87                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
  88                         return 0;
  89                 }
  90                 else
  91                 {
  92                         for (int i = 0; i != MAXCHANS; i++)
  93                         {
  94                                 if ((d->chans[i].channel != NULL) && (chan != NULL))
  95                                 if (!strcasecmp(d->chans[i].channel->name,chan->name))
  96                                 {
  97                                         if (d->chans[i].uc_modes & UCMODE_OP)
  98                                         {
  99                                                 /* mode already set on user, dont allow multiple */
 100                                                 log(DEFAULT,"The target user given to give_ops was already opped on the channel");
 101                                                 return 0;
 102                                         }
 103                                         d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
 104                                         log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
 105                                         return 1;
 106                                 }
 107                         }
 108                         log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
 109                 }
 110         }
 111         return 1;
 112 }
 113
 114 int give_hops(userrec *user,char *dest,chanrec *chan,int status)
 115 {
 116         userrec *d;
 117         int i;
 118
 119         if ((!user) || (!dest) || (!chan))
 120         {
 121                 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
 122                 return 0;
 123         }
 124         if ((status < STATUS_OP) && (!is_uline(user->server)))
 125         {
 126                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 127                 return 0;
 128         }
 129         else
 130         {
 131                 d = Find(dest);
 132                 if (!isnick(dest))
 133                 {
 134                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 135                         return 0;
 136                 }
 137                 if (!d)
 138                 {
 139                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 140                         return 0;
 141                 }
 142                 else
 143                 {
 144                         for (int i = 0; i != MAXCHANS; i++)
 145                         {
 146                                 if ((d->chans[i].channel != NULL) && (chan != NULL))
 147                                 if (!strcasecmp(d->chans[i].channel->name,chan->name))
 148                                 {
 149                                         if (d->chans[i].uc_modes & UCMODE_HOP)
 150                                         {
 151                                                 /* mode already set on user, dont allow multiple */
 152                                                 return 0;
 153                                         }
 154                                         d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
 155                                         log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
 156                                         return 1;
 157                                 }
 158                         }
 159                 }
 160         }
 161         return 1;
 162 }
 163
 164 int give_voice(userrec *user,char *dest,chanrec *chan,int status)
 165 {
 166         userrec *d;
 167         int i;
 168
 169         if ((!user) || (!dest) || (!chan))
 170         {
 171                 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
 172                 return 0;
 173         }
 174         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 175         {
 176                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 177                 return 0;
 178         }
 179         else
 180         {
 181                 d = Find(dest);
 182                 if (!isnick(dest))
 183                 {
 184                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 185                         return 0;
 186                 }
 187                 if (!d)
 188                 {
 189                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 190                         return 0;
 191                 }
 192                 else
 193                 {
 194                         for (int i = 0; i != MAXCHANS; i++)
 195                         {
 196                                 if ((d->chans[i].channel != NULL) && (chan != NULL))
 197                                 if (!strcasecmp(d->chans[i].channel->name,chan->name))
 198                                 {
 199                                         if (d->chans[i].uc_modes & UCMODE_VOICE)
 200                                         {
 201                                                 /* mode already set on user, dont allow multiple */
 202                                                 return 0;
 203                                         }
 204                                         d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
 205                                         log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
 206                                         return 1;
 207                                 }
 208                         }
 209                 }
 210         }
 211         return 1;
 212 }
 213
 214 int take_ops(userrec *user,char *dest,chanrec *chan,int status)
 215 {
 216         userrec *d;
 217         int i;
 218
 219         if ((!user) || (!dest) || (!chan))
 220         {
 221                 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
 222                 return 0;
 223         }
 224         if ((status < STATUS_OP) && (!is_uline(user->server)))
 225         {
 226                 log(DEBUG,"%s cant give ops to %s because they have status %d and needs %d",user->nick,dest,status,STATUS_OP);
 227                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 228                 return 0;
 229         }
 230         else
 231         {
 232                 d = Find(dest);
 233                 if (!isnick(dest))
 234                 {
 235                         log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
 236                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 237                         return 0;
 238                 }
 239                 if (!d)
 240                 {
 241                         log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
 242                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 243                         return 0;
 244                 }
 245                 else
 246                 {
 247                         for (int i = 0; i != MAXCHANS; i++)
 248                         {
 249                                 if ((d->chans[i].channel != NULL) && (chan != NULL))
 250                                 if (!strcasecmp(d->chans[i].channel->name,chan->name))
 251                                 {
 252                                         if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
 253                                         {
 254                                                 /* mode already set on user, dont allow multiple */
 255                                                 return 0;
 256                                         }
 257                                         d->chans[i].uc_modes ^= UCMODE_OP;
 258                                         log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
 259                                         return 1;
 260                                 }
 261                         }
 262                         log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
 263                 }
 264         }
 265         return 1;
 266 }
 267
 268 int take_hops(userrec *user,char *dest,chanrec *chan,int status)
 269 {
 270         userrec *d;
 271         int i;
 272
 273         if ((!user) || (!dest) || (!chan))
 274         {
 275                 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
 276                 return 0;
 277         }
 278         if ((status < STATUS_OP) && (!is_uline(user->server)))
 279         {
 280                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 281                 return 0;
 282         }
 283         else
 284         {
 285                 d = Find(dest);
 286                 if (!isnick(dest))
 287                 {
 288                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 289                         return 0;
 290                 }
 291                 if (!d)
 292                 {
 293                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 294                         return 0;
 295                 }
 296                 else
 297                 {
 298                         for (int i = 0; i != MAXCHANS; i++)
 299                         {
 300                                 if ((d->chans[i].channel != NULL) && (chan != NULL))
 301                                 if (!strcasecmp(d->chans[i].channel->name,chan->name))
 302                                 {
 303                                         if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
 304                                         {
 305                                                 /* mode already set on user, dont allow multiple */
 306                                                 return 0;
 307                                         }
 308                                         d->chans[i].uc_modes ^= UCMODE_HOP;
 309                                         log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
 310                                         return 1;
 311                                 }
 312                         }
 313                 }
 314         }
 315         return 1;
 316 }
 317
 318 int take_voice(userrec *user,char *dest,chanrec *chan,int status)
 319 {
 320         userrec *d;
 321         int i;
 322
 323         if ((!user) || (!dest) || (!chan))
 324         {
 325                 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
 326                 return 0;
 327         }
 328         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 329         {
 330                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 331                 return 0;
 332         }
 333         else
 334         {
 335                 d = Find(dest);
 336                 if (!isnick(dest))
 337                 {
 338                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 339                         return 0;
 340                 }
 341                 if (!d)
 342                 {
 343                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, dest);
 344                         return 0;
 345                 }
 346                 else
 347                 {
 348                         for (int i = 0; i != MAXCHANS; i++)
 349                         {
 350                                 if ((d->chans[i].channel != NULL) && (chan != NULL))
 351                                 if (!strcasecmp(d->chans[i].channel->name,chan->name))
 352                                 {
 353                                         if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
 354                                         {
 355                                                 /* mode already set on user, dont allow multiple */
 356                                                 return 0;
 357                                         }
 358                                         d->chans[i].uc_modes ^= UCMODE_VOICE;
 359                                         log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
 360                                         return 1;
 361                                 }
 362                         }
 363                 }
 364         }
 365         return 1;
 366 }
 367
 368 int add_ban(userrec *user,char *dest,chanrec *chan,int status)
 369 {
 370         if ((!user) || (!dest) || (!chan)) {
 371                 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
 372                 return 0;
 373         }
 374
 375         BanItem b;
 376         if ((!user) || (!dest) || (!chan))
 377                 return 0;
 378         if (strchr(dest,'!')==0)
 379                 return 0;
 380         if (strchr(dest,'@')==0)
 381                 return 0;
 382         for (int i = 0; i < strlen(dest); i++)
 383                 if (dest[i] < 32)
 384                         return 0;
 385         for (int i = 0; i < strlen(dest); i++)
 386                 if (dest[i] > 126)
 387                         return 0;
 388         int c = 0;
 389         for (int i = 0; i < strlen(dest); i++)
 390                 if (dest[i] == '!')
 391                         c++;
 392         if (c>1)
 393                 return 0;
 394         c = 0;
 395         for (int i = 0; i < strlen(dest); i++)
 396                 if (dest[i] == '@')
 397                         c++;
 398         if (c>1)
 399                 return 0;
 400         log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
 401
 402         TidyBan(dest);
 403         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 404         {
 405                 if (!strcasecmp(i->data,dest))
 406                 {
 407                         // dont allow a user to set the same ban twice
 408                         return 0;
 409                 }
 410         }
 411
 412         b.set_time = time(NULL);
 413         strncpy(b.data,dest,MAXBUF);
 414         strncpy(b.set_by,user->nick,NICKMAX);
 415         chan->bans.push_back(b);
 416         return 1;
 417 }
 418
 419 int take_ban(userrec *user,char *dest,chanrec *chan,int status)
 420 {
 421         if ((!user) || (!dest) || (!chan)) {
 422                 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
 423                 return 0;
 424         }
 425
 426         log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
 427         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 428         {
 429                 if (!strcasecmp(i->data,dest))
 430                 {
 431                         chan->bans.erase(i);
 432                         return 1;
 433                 }
 434         }
 435         return 0;
 436 }
 437
 438 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
 439 {
 440         if (!parameters) {
 441                 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
 442                 return;
 443         }
 444
 445         char modelist[MAXBUF];
 446         char outlist[MAXBUF];
 447         char outstr[MAXBUF];
 448         char outpars[32][MAXBUF];
 449         int param = 2;
 450         int pc = 0;
 451         int ptr = 0;
 452         int mdir = 1;
 453         int r = 0;
 454         bool k_set = false, l_set = false;
 455
 456         if (pcnt < 2)
 457         {
 458                 return;
 459         }
 460
 461         log(DEBUG,"process_modes: start: parameters=%d",pcnt);
 462
 463         strcpy(modelist,parameters[1]); /* mode list, e.g. +oo-o */
 464                                         /* parameters[2] onwards are parameters for
 465                                          * modes that require them :) */
 466         strcpy(outlist,"+");
 467         mdir = 1;
 468
 469         log(DEBUG,"process_modes: modelist: %s",modelist);
 470
 471         for (ptr = 0; ptr < strlen(modelist); ptr++)
 472         {
 473                 r = 0;
 474
 475                 {
 476                         log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
 477                         char modechar = modelist[ptr];
 478                         switch (modelist[ptr])
 479                         {
 480                                 case '-':
 481                                         if (mdir != 0)
 482                                         {
 483                                                 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
 484                                                 {
 485                                                         outlist[strlen(outlist)-1] = '-';
 486                                                 }
 487                                                 else
 488                                                 {
 489                                                         strcat(outlist,"-");
 490                                                 }
 491                                         }
 492                                         mdir = 0;
 493
 494                                 break;
 495
 496                                 case '+':
 497                                         if (mdir != 1)
 498                                         {
 499                                                 if ((outlist[strlen(outlist)-1] == '+') || (outlist[strlen(outlist)-1] == '-'))
 500                                                 {
 501                                                         outlist[strlen(outlist)-1] = '+';
 502                                                 }
 503                                                 else
 504                                                 {
 505                                                         strcat(outlist,"+");
 506                                                 }
 507                                         }
 508                                         mdir = 1;
 509                                 break;
 510
 511                                 case 'o':
 512                                         log(DEBUG,"Ops");
 513                                         if ((param >= pcnt)) break;
 514                                         log(DEBUG,"Enough parameters left");
 515                                         if (mdir == 1)
 516                                         {
 517                                                 log(DEBUG,"calling give_ops");
 518                                                 r = give_ops(user,parameters[param++],chan,status);
 519                                         }
 520                                         else
 521                                         {
 522                                                 log(DEBUG,"calling take_ops");
 523                                                 r = take_ops(user,parameters[param++],chan,status);
 524                                         }
 525                                         if (r)
 526                                         {
 527                                                 strcat(outlist,"o");
 528                                                 strcpy(outpars[pc++],parameters[param-1]);
 529                                         }
 530                                 break;
 531
 532                                 case 'h':
 533                                         if ((param >= pcnt)) break;
 534                                         if (mdir == 1)
 535                                         {
 536                                                 r = give_hops(user,parameters[param++],chan,status);
 537                                         }
 538                                         else
 539                                         {
 540                                                 r = take_hops(user,parameters[param++],chan,status);
 541                                         }
 542                                         if (r)
 543                                         {
 544                                                 strcat(outlist,"h");
 545                                                 strcpy(outpars[pc++],parameters[param-1]);
 546                                         }
 547                                 break;
 548
 549
 550                                 case 'v':
 551                                         if ((param >= pcnt)) break;
 552                                         if (mdir == 1)
 553                                         {
 554                                                 r = give_voice(user,parameters[param++],chan,status);
 555                                         }
 556                                         else
 557                                         {
 558                                                 r = take_voice(user,parameters[param++],chan,status);
 559                                         }
 560                                         if (r)
 561                                         {
 562                                                 strcat(outlist,"v");
 563                                                 strcpy(outpars[pc++],parameters[param-1]);
 564                                         }
 565                                 break;
 566
 567                                 case 'b':
 568                                         if ((param >= pcnt)) break;
 569                                         if (mdir == 1)
 570                                         {
 571                                                 r = add_ban(user,parameters[param++],chan,status);
 572                                         }
 573                                         else
 574                                         {
 575                                                 r = take_ban(user,parameters[param++],chan,status);
 576                                         }
 577                                         if (r)
 578                                         {
 579                                                 strcat(outlist,"b");
 580                                                 strcpy(outpars[pc++],parameters[param-1]);
 581                                         }
 582                                 break;
 583
 584
 585                                 case 'k':
 586                                         if ((param >= pcnt))
 587                                                 break;
 588
 589                                         if (mdir == 1)
 590                                         {
 591                                                 if (k_set)
 592                                                         break;
 593
 594                                                 if (!strcmp(chan->key,""))
 595                                                 {
 596                                                         strcat(outlist,"k");
 597                                                         char key[MAXBUF];
 598                                                         strcpy(key,parameters[param++]);
 599                                                         if (strlen(key)>32) {
 600                                                                 key[31] = '\0';
 601                                                         }
 602                                                         strcpy(outpars[pc++],key);
 603                                                         strcpy(chan->key,key);
 604                                                         k_set = true;
 605                                                 }
 606                                         }
 607                                         else
 608                                         {
 609                                                 /* checks on -k are case sensitive and only accurate to the
 610                                                    first 32 characters */
 611                                                 char key[MAXBUF];
 612                                                 strcpy(key,parameters[param++]);
 613                                                 if (strlen(key)>32) {
 614                                                         key[31] = '\0';
 615                                                 }
 616                                                 /* only allow -k if correct key given */
 617                                                 if (!strcmp(chan->key,key))
 618                                                 {
 619                                                         strcat(outlist,"k");
 620                                                         strcpy(chan->key,"");
 621                                                         strcpy(outpars[pc++],key);
 622                                                 }
 623                                         }
 624                                 break;
 625
 626                                 case 'l':
 627                                         if (mdir == 0)
 628                                         {
 629                                                 if (chan->limit)
 630                                                 {
 631                                                         strcat(outlist,"l");
 632                                                         chan->limit = 0;
 633                                                 }
 634                                         }
 635
 636                                         if ((param >= pcnt)) break;
 637                                         if (mdir == 1)
 638                                         {
 639                                                 if (l_set)
 640                                                         break;
 641
 642                                                 bool invalid = false;
 643                                                 for (int i = 0; i < strlen(parameters[param]); i++)
 644                                                 {
 645                                                         if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
 646                                                         {
 647                                                                 invalid = true;
 648                                                         }
 649                                                 }
 650                                                 if (atoi(parameters[param]) < 1)
 651                                                 {
 652                                                         invalid = true;
 653                                                 }
 654
 655                                                 if (invalid)
 656                                                         break;
 657
 658                                                 chan->limit = atoi(parameters[param]);
 659                                                 if (chan->limit)
 660                                                 {
 661                                                         strcat(outlist,"l");
 662                                                         strcpy(outpars[pc++],parameters[param++]);
 663                                                         l_set = true;
 664                                                 }
 665                                         }
 666                                 break;
 667
 668                                 case 'i':
 669                                         if (chan->inviteonly != mdir)
 670                                         {
 671                                                 strcat(outlist,"i");
 672                                         }
 673                                         chan->inviteonly = mdir;
 674                                 break;
 675
 676                                 case 't':
 677                                         if (chan->topiclock != mdir)
 678                                         {
 679                                                 strcat(outlist,"t");
 680                                         }
 681                                         chan->topiclock = mdir;
 682                                 break;
 683
 684                                 case 'n':
 685                                         if (chan->noexternal != mdir)
 686                                         {
 687                                                 strcat(outlist,"n");
 688                                         }
 689                                         chan->noexternal = mdir;
 690                                 break;
 691
 692                                 case 'm':
 693                                         if (chan->moderated != mdir)
 694                                         {
 695                                                 strcat(outlist,"m");
 696                                         }
 697                                         chan->moderated = mdir;
 698                                 break;
 699
 700                                 case 's':
 701                                         if (chan->secret != mdir)
 702                                         {
 703                                                 strcat(outlist,"s");
 704                                                 if (chan->c_private)
 705                                                 {
 706                                                         chan->c_private = 0;
 707                                                         if (mdir)
 708                                                         {
 709                                                                 strcat(outlist,"-p+");
 710                                                         }
 711                                                         else
 712                                                         {
 713                                                                 strcat(outlist,"+p-");
 714                                                         }
 715                                                 }
 716                                         }
 717                                         chan->secret = mdir;
 718                                 break;
 719
 720                                 case 'p':
 721                                         if (chan->c_private != mdir)
 722                                         {
 723                                                 strcat(outlist,"p");
 724                                                 if (chan->secret)
 725                                                 {
 726                                                         chan->secret = 0;
 727                                                         if (mdir)
 728                                                         {
 729                                                                 strcat(outlist,"-s+");
 730                                                         }
 731                                                         else
 732                                                         {
 733                                                                 strcat(outlist,"+s-");
 734                                                         }
 735                                                 }
 736                                         }
 737                                         chan->c_private = mdir;
 738                                 break;
 739
 740                                 default:
 741                                         log(DEBUG,"Preprocessing custom mode %c",modechar);
 742                                         string_list p;
 743                                         p.clear();
 744                                         if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
 745                                         {
 746                                                 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
 747                                                 break;
 748                                         }
 749                                         if (ModeDefined(modechar,MT_CHANNEL))
 750                                         {
 751                                                 log(DEBUG,"A module has claimed this mode");
 752                                                 if (param<pcnt)
 753                                                 {
 754                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
 755                                                         {
 756                                                                 p.push_back(parameters[param]);
 757                                                         }
 758                                                         if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
 759                                                         {
 760                                                                 p.push_back(parameters[param]);
 761                                                         }
 762                                                 }
 763                                                 bool handled = false;
 764                                                 if (param>=pcnt)
 765                                                 {
 766                                                         log(DEBUG,"Not enough parameters for module-mode %c",modechar);
 767                                                         // we're supposed to have a parameter, but none was given... so dont handle the mode.
 768                                                         if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
 769                                                         {
 770                                                                 handled = true;
 771                                                                 param++;
 772                                                         }
 773                                                 }
 774                                                 for (int i = 0; i <= MODCOUNT; i++)
 775                                                 {
 776                                                         if (!handled)
 777                                                         {
 778                                                                 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
 779                                                                 {
 780                                                                         log(DEBUG,"OnExtendedMode returned nonzero for a module");
 781                                                                         char app[] = {modechar, 0};
 782                                                                         if (ptr>0)
 783                                                                         {
 784                                                                                 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
 785                                                                                 {
 786                                                                                         strcat(outlist, app);
 787                                                                                 }
 788                                                                                 else if (!strchr(outlist,modechar))
 789                                                                                 {
 790                                                                                         strcat(outlist, app);
 791                                                                                 }
 792                                                                         }
 793                                                                         chan->SetCustomMode(modechar,mdir);
 794                                                                         // include parameters in output if mode has them
 795                                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
 796                                                                         {
 797                                                                                 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
 798                                                                                 strcpy(outpars[pc++],parameters[param++]);
 799                                                                         }
 800                                                                         // break, because only one module can handle the mode.
 801                                                                         handled = true;
 802                                                                 }
 803                                                         }
 804                                                 }
 805                                         }
 806                                 break;
 807
 808                         }
 809                 }
 810         }
 811
 812         /* this ensures only the *valid* modes are sent out onto the network */
 813         while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
 814         {
 815                 outlist[strlen(outlist)-1] = '\0';
 816         }
 817         if (strcmp(outlist,""))
 818         {
 819                 strcpy(outstr,outlist);
 820                 for (ptr = 0; ptr < pc; ptr++)
 821                 {
 822                         strcat(outstr," ");
 823                         strcat(outstr,outpars[ptr]);
 824                 }
 825                 if (local)
 826                 {
 827                         log(DEBUG,"Local mode change");
 828                         WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
 829                 }
 830                 else
 831                 {
 832                         if (servermode)
 833                         {
 834                                 if (!silent)
 835                                 {
 836                                         WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
 837                                         // M token for a usermode must go to all servers
 838                                         char buffer[MAXBUF];
 839                                         snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
 840                                         NetSendToAll(buffer);
 841                                 }
 842
 843                         }
 844                         else
 845                         {
 846                                 if (!silent)
 847                                 {
 848                                         WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
 849                                         // M token for a usermode must go to all servers
 850                                         char buffer[MAXBUF];
 851                                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
 852                                         NetSendToAll(buffer);
 853                                 }
 854                         }
 855                 }
 856         }
 857 }
 858
 859 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
 860
 861 bool allowed_umode(char umode, char* sourcemodes,bool adding)
 862 {
 863         log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
 864         // RFC1459 specified modes
 865         if ((umode == 'w') || (umode == 's') || (umode == 'i'))
 866         {
 867                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
 868                 return true;
 869         }
 870
 871         // user may not +o themselves or others, but an oper may de-oper other opers or themselves
 872         if ((strchr(sourcemodes,'o')) && (!adding))
 873         {
 874                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
 875                 return true;
 876         }
 877         else if (umode == 'o')
 878         {
 879                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
 880                 return false;
 881         }
 882
 883         // process any module-defined modes that need oper
 884         if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
 885         {
 886                 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
 887                 return true;
 888         }
 889         else
 890         if (ModeDefined(umode,MT_CLIENT))
 891         {
 892                 // process any module-defined modes that don't need oper
 893                 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
 894                 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
 895                 {
 896                         // no, this mode needs oper, and this user 'aint got what it takes!
 897                         return false;
 898                 }
 899                 return true;
 900         }
 901
 902         // anything else - return false.
 903         log(DEBUG,"umode %c not known by any ruleset",umode);
 904         return false;
 905 }
 906
 907 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
 908 {
 909         userrec* s2;
 910         bool faked = false;
 911         if (!source)
 912         {
 913                 s2 = new userrec;
 914                 strncpy(s2->nick,ServerName,NICKMAX);
 915                 strcpy(s2->modes,"o");
 916                 s2->fd = -1;
 917                 source = s2;
 918                 faked = true;
 919         }
 920         string_list p;
 921         p.clear();
 922         if (ModeDefined(umode,MT_CLIENT))
 923         {
 924                 for (int i = 0; i <= MODCOUNT; i++)
 925                 {
 926                         if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
 927                         {
 928                                 log(DEBUG,"Module claims umode %c",umode);
 929                                 return true;
 930                         }
 931                 }
 932                 log(DEBUG,"No module claims umode %c",umode);
 933                 if (faked)
 934                 {
 935                         delete s2;
 936                         source = NULL;
 937                 }
 938                 return false;
 939         }
 940         else
 941         {
 942                 if (faked)
 943                 {
 944                         delete s2;
 945                         source = NULL;
 946                 }
 947                 return false;
 948         }
 949 }
 950
 951 void handle_mode(char **parameters, int pcnt, userrec *user)
 952 {
 953         chanrec* Ptr;
 954         userrec* dest;
 955         int can_change,i;
 956         int direction = 1;
 957         char outpars[MAXBUF];
 958
 959         dest = Find(parameters[0]);
 960
 961         if (!user)
 962         {
 963                 return;
 964         }
 965
 966         if ((dest) && (pcnt == 1))
 967         {
 968                 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
 969                 return;
 970         }
 971
 972         if ((dest) && (pcnt > 1))
 973         {
 974                 char dmodes[MAXBUF];
 975                 strncpy(dmodes,dest->modes,MAXBUF);
 976                 log(DEBUG,"pulled up dest user modes: %s",dmodes);
 977
 978                 can_change = 0;
 979                 if (user != dest)
 980                 {
 981                         if (strchr(user->modes,'o'))
 982                         {
 983                                 can_change = 1;
 984                         }
 985                 }
 986                 else
 987                 {
 988                         can_change = 1;
 989                 }
 990                 if (!can_change)
 991                 {
 992                         WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
 993                         return;
 994                 }
 995
 996                 strcpy(outpars,"+");
 997                 direction = 1;
 998
 999                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1000                         return;
1001
1002                 for (int i = 0; i < strlen(parameters[1]); i++)
1003                 {
1004                         if (parameters[1][i] == '+')
1005                         {
1006                                 if (direction != 1)
1007                                 {
1008                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1009                                         {
1010                                                 outpars[strlen(outpars)-1] = '+';
1011                                         }
1012                                         else
1013                                         {
1014                                                 strcat(outpars,"+");
1015                                         }
1016                                 }
1017                                 direction = 1;
1018                         }
1019                         else
1020                         if (parameters[1][i] == '-')
1021                         {
1022                                 if (direction != 0)
1023                                 {
1024                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1025                                         {
1026                                                 outpars[strlen(outpars)-1] = '-';
1027                                         }
1028                                         else
1029                                         {
1030                                                 strcat(outpars,"-");
1031                                         }
1032                                 }
1033                                 direction = 0;
1034                         }
1035                         else
1036                         {
1037                                 can_change = 0;
1038                                 if (strchr(user->modes,'o'))
1039                                 {
1040                                         can_change = 1;
1041                                 }
1042                                 else
1043                                 {
1044                                         if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
1045                                         {
1046                                                 can_change = 1;
1047                                         }
1048                                 }
1049                                 if (can_change)
1050                                 {
1051                                         if (direction == 1)
1052                                         {
1053                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1054                                                 {
1055                                                         char umode = parameters[1][i];
1056                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1057                                                         {
1058                                                                 dmodes[strlen(dmodes)+1]='\0';
1059                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1060                                                                 outpars[strlen(outpars)+1]='\0';
1061                                                                 outpars[strlen(outpars)] = parameters[1][i];
1062                                                         }
1063                                                 }
1064                                         }
1065                                         else
1066                                         {
1067                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1068                                                 {
1069                                                         char umode = parameters[1][i];
1070                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1071                                                         {
1072                                                                 int q = 0;
1073                                                                 char temp[MAXBUF];
1074                                                                 char moo[MAXBUF];
1075
1076                                                                 outpars[strlen(outpars)+1]='\0';
1077                                                                 outpars[strlen(outpars)] = parameters[1][i];
1078
1079                                                                 strcpy(temp,"");
1080                                                                 for (q = 0; q < strlen(dmodes); q++)
1081                                                                 {
1082                                                                         if (dmodes[q] != parameters[1][i])
1083                                                                         {
1084                                                                                 moo[0] = dmodes[q];
1085                                                                                 moo[1] = '\0';
1086                                                                                 strcat(temp,moo);
1087                                                                         }
1088                                                                 }
1089                                                                 strcpy(dmodes,temp);
1090                                                         }
1091                                                 }
1092                                         }
1093                                 }
1094                         }
1095                 }
1096                 if (strlen(outpars))
1097                 {
1098                         char b[MAXBUF];
1099                         strcpy(b,"");
1100                         int z = 0;
1101                         int i = 0;
1102                         while (i < strlen (outpars))
1103                         {
1104                                 b[z++] = outpars[i++];
1105                                 b[z] = '\0';
1106                                 if (i<strlen(outpars)-1)
1107                                 {
1108                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1109                                         {
1110                                                 // someones playing silly buggers and trying
1111                                                 // to put a +- or -+ into the line...
1112                                                 i++;
1113                                         }
1114                                 }
1115                                 if (i == strlen(outpars)-1)
1116                                 {
1117                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1118                                         {
1119                                                 i++;
1120                                         }
1121                                 }
1122                         }
1123
1124                         z = strlen(b)-1;
1125                         if ((b[z] == '-') || (b[z] == '+'))
1126                                 b[z] == '\0';
1127
1128                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1129                                 return;
1130
1131                         WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1132
1133                         // M token for a usermode must go to all servers
1134                         char buffer[MAXBUF];
1135                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1136                         NetSendToAll(buffer);
1137
1138                         if (strlen(dmodes)>MAXMODES)
1139                         {
1140                                 dmodes[MAXMODES-1] = '\0';
1141                         }
1142                         log(DEBUG,"Stripped mode line");
1143                         log(DEBUG,"Line dest is now %s",dmodes);
1144                         strncpy(dest->modes,dmodes,MAXMODES);
1145
1146                 }
1147
1148                 return;
1149         }
1150
1151         Ptr = FindChan(parameters[0]);
1152         if (Ptr)
1153         {
1154                 if (pcnt == 1)
1155                 {
1156                         /* just /modes #channel */
1157                         WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
1158                         WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1159                         return;
1160                 }
1161                 else
1162                 if (pcnt == 2)
1163                 {
1164                         if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
1165                         {
1166
1167                                 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1168                                 {
1169                                         WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
1170                                 }
1171                                 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
1172                                 return;
1173                         }
1174                 }
1175
1176                 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
1177                 {
1178                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
1179                         return;
1180                 }
1181
1182                 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
1183         }
1184         else
1185         {
1186                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
1187         }
1188 }
1189
1190
1191
1192
1193 void server_mode(char **parameters, int pcnt, userrec *user)
1194 {
1195         chanrec* Ptr;
1196         userrec* dest;
1197         int can_change,i;
1198         int direction = 1;
1199         char outpars[MAXBUF];
1200
1201         dest = Find(parameters[0]);
1202
1203         // fix: ChroNiCk found this - we cant use this as debug if its null!
1204         if (dest)
1205         {
1206                 log(DEBUG,"server_mode on %s",dest->nick);
1207         }
1208
1209         if ((dest) && (pcnt > 1))
1210         {
1211                 log(DEBUG,"params > 1");
1212
1213                 char dmodes[MAXBUF];
1214                 strncpy(dmodes,dest->modes,MAXBUF);
1215
1216                 strcpy(outpars,"+");
1217                 direction = 1;
1218
1219                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1220                         return;
1221
1222                 for (int i = 0; i < strlen(parameters[1]); i++)
1223                 {
1224                         if (parameters[1][i] == '+')
1225                         {
1226                                 if (direction != 1)
1227                                 {
1228                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1229                                         {
1230                                                 outpars[strlen(outpars)-1] = '+';
1231                                         }
1232                                         else
1233                                         {
1234                                                 strcat(outpars,"+");
1235                                         }
1236                                 }
1237                                 direction = 1;
1238                         }
1239                         else
1240                         if (parameters[1][i] == '-')
1241                         {
1242                                 if (direction != 0)
1243                                 {
1244                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1245                                         {
1246                                                 outpars[strlen(outpars)-1] = '-';
1247                                         }
1248                                         else
1249                                         {
1250                                                 strcat(outpars,"-");
1251                                         }
1252                                 }
1253                                 direction = 0;
1254                         }
1255                         else
1256                         {
1257                                 log(DEBUG,"begin mode processing entry");
1258                                 can_change = 1;
1259                                 if (can_change)
1260                                 {
1261                                         if (direction == 1)
1262                                         {
1263                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1264                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1265                                                 {
1266                                                         char umode = parameters[1][i];
1267                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1268                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1269                                                         {
1270                                                                 dmodes[strlen(dmodes)+1]='\0';
1271                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1272                                                                 outpars[strlen(outpars)+1]='\0';
1273                                                                 outpars[strlen(outpars)] = parameters[1][i];
1274                                                         }
1275                                                 }
1276                                         }
1277                                         else
1278                                         {
1279                                                 // can only remove a mode they already have
1280                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1281                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1282                                                 {
1283                                                         char umode = parameters[1][i];
1284                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1285                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1286                                                         {
1287                                                                 int q = 0;
1288                                                                 char temp[MAXBUF];
1289                                                                 char moo[MAXBUF];
1290
1291                                                                 outpars[strlen(outpars)+1]='\0';
1292                                                                 outpars[strlen(outpars)] = parameters[1][i];
1293
1294                                                                 strcpy(temp,"");
1295                                                                 for (q = 0; q < strlen(dmodes); q++)
1296                                                                 {
1297                                                                         if (dmodes[q] != parameters[1][i])
1298                                                                         {
1299                                                                                 moo[0] = dmodes[q];
1300                                                                                 moo[1] = '\0';
1301                                                                                 strcat(temp,moo);
1302                                                                         }
1303                                                                 }
1304                                                                 strcpy(dmodes,temp);
1305                                                         }
1306                                                 }
1307                                         }
1308                                 }
1309                         }
1310                 }
1311                 if (strlen(outpars))
1312                 {
1313                         char b[MAXBUF];
1314                         strcpy(b,"");
1315                         int z = 0;
1316                         int i = 0;
1317                         while (i < strlen (outpars))
1318                         {
1319                                 b[z++] = outpars[i++];
1320                                 b[z] = '\0';
1321                                 if (i<strlen(outpars)-1)
1322                                 {
1323                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1324                                         {
1325                                                 // someones playing silly buggers and trying
1326                                                 // to put a +- or -+ into the line...
1327                                                 i++;
1328                                         }
1329                                 }
1330                                 if (i == strlen(outpars)-1)
1331                                 {
1332                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1333                                         {
1334                                                 i++;
1335                                         }
1336                                 }
1337                         }
1338
1339                         z = strlen(b)-1;
1340                         if ((b[z] == '-') || (b[z] == '+'))
1341                                 b[z] == '\0';
1342
1343                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1344                                 return;
1345
1346                         WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1347
1348                         // M token for a usermode must go to all servers
1349                         char buffer[MAXBUF];
1350                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1351                         NetSendToAll(buffer);
1352
1353                         if (strlen(dmodes)>MAXMODES)
1354                         {
1355                                 dmodes[MAXMODES-1] = '\0';
1356                         }
1357                         log(DEBUG,"Stripped mode line");
1358                         log(DEBUG,"Line dest is now %s",dmodes);
1359                         strncpy(dest->modes,dmodes,MAXMODES);
1360
1361                 }
1362
1363                 return;
1364         }
1365
1366         Ptr = FindChan(parameters[0]);
1367         if (Ptr)
1368         {
1369                 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1370         }
1371         else
1372         {
1373                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
1374         }
1375 }
1376
1377
1378
1379 void merge_mode(char **parameters, int pcnt)
1380 {
1381         chanrec* Ptr;
1382         userrec* dest;
1383         int can_change,i;
1384         int direction = 1;
1385         char outpars[MAXBUF];
1386
1387         dest = Find(parameters[0]);
1388
1389         // fix: ChroNiCk found this - we cant use this as debug if its null!
1390         if (dest)
1391         {
1392                 log(DEBUG,"merge_mode on %s",dest->nick);
1393         }
1394
1395         if ((dest) && (pcnt > 1))
1396         {
1397                 log(DEBUG,"params > 1");
1398
1399                 char dmodes[MAXBUF];
1400                 strncpy(dmodes,dest->modes,MAXBUF);
1401
1402                 strcpy(outpars,"+");
1403                 direction = 1;
1404
1405                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1406                         return;
1407
1408                 for (int i = 0; i < strlen(parameters[1]); i++)
1409                 {
1410                         if (parameters[1][i] == '+')
1411                         {
1412                                 if (direction != 1)
1413                                 {
1414                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1415                                         {
1416                                                 outpars[strlen(outpars)-1] = '+';
1417                                         }
1418                                         else
1419                                         {
1420                                                 strcat(outpars,"+");
1421                                         }
1422                                 }
1423                                 direction = 1;
1424                         }
1425                         else
1426                         if (parameters[1][i] == '-')
1427                         {
1428                                 if (direction != 0)
1429                                 {
1430                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1431                                         {
1432                                                 outpars[strlen(outpars)-1] = '-';
1433                                         }
1434                                         else
1435                                         {
1436                                                 strcat(outpars,"-");
1437                                         }
1438                                 }
1439                                 direction = 0;
1440                         }
1441                         else
1442                         {
1443                                 log(DEBUG,"begin mode processing entry");
1444                                 can_change = 1;
1445                                 if (can_change)
1446                                 {
1447                                         if (direction == 1)
1448                                         {
1449                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1450                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
1451                                                 {
1452                                                         char umode = parameters[1][i];
1453                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1454                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1455                                                         {
1456                                                                 dmodes[strlen(dmodes)+1]='\0';
1457                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1458                                                                 outpars[strlen(outpars)+1]='\0';
1459                                                                 outpars[strlen(outpars)] = parameters[1][i];
1460                                                         }
1461                                                 }
1462                                         }
1463                                         else
1464                                         {
1465                                                 // can only remove a mode they already have
1466                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1467                                                 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
1468                                                 {
1469                                                         char umode = parameters[1][i];
1470                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1471                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1472                                                         {
1473                                                                 int q = 0;
1474                                                                 char temp[MAXBUF];
1475                                                                 char moo[MAXBUF];
1476
1477                                                                 outpars[strlen(outpars)+1]='\0';
1478                                                                 outpars[strlen(outpars)] = parameters[1][i];
1479
1480                                                                 strcpy(temp,"");
1481                                                                 for (q = 0; q < strlen(dmodes); q++)
1482                                                                 {
1483                                                                         if (dmodes[q] != parameters[1][i])
1484                                                                         {
1485                                                                                 moo[0] = dmodes[q];
1486                                                                                 moo[1] = '\0';
1487                                                                                 strcat(temp,moo);
1488                                                                         }
1489                                                                 }
1490                                                                 strcpy(dmodes,temp);
1491                                                         }
1492                                                 }
1493                                         }
1494                                 }
1495                         }
1496                 }
1497                 if (strlen(outpars))
1498                 {
1499                         char b[MAXBUF];
1500                         strcpy(b,"");
1501                         int z = 0;
1502                         int i = 0;
1503                         while (i < strlen (outpars))
1504                         {
1505                                 b[z++] = outpars[i++];
1506                                 b[z] = '\0';
1507                                 if (i<strlen(outpars)-1)
1508                                 {
1509                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1510                                         {
1511                                                 // someones playing silly buggers and trying
1512                                                 // to put a +- or -+ into the line...
1513                                                 i++;
1514                                         }
1515                                 }
1516                                 if (i == strlen(outpars)-1)
1517                                 {
1518                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1519                                         {
1520                                                 i++;
1521                                         }
1522                                 }
1523                         }
1524
1525                         z = strlen(b)-1;
1526                         if ((b[z] == '-') || (b[z] == '+'))
1527                                 b[z] == '\0';
1528
1529                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1530                                 return;
1531
1532                         if (strlen(dmodes)>MAXMODES)
1533                         {
1534                                 dmodes[MAXMODES-1] = '\0';
1535                         }
1536                         log(DEBUG,"Stripped mode line");
1537                         log(DEBUG,"Line dest is now %s",dmodes);
1538                         strncpy(dest->modes,dmodes,MAXMODES);
1539
1540                 }
1541
1542                 return;
1543         }
1544
1545         Ptr = FindChan(parameters[0]);
1546         if (Ptr)
1547         {
1548                 userrec s2;
1549                 strncpy(s2.nick,ServerName,NICKMAX);
1550                 strcpy(s2.modes,"o");
1551                 s2.fd = -1;
1552                 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
1553         }
1554 }
1555
1556
1557 void merge_mode2(char **parameters, int pcnt, userrec* user)
1558 {
1559         chanrec* Ptr;
1560         userrec* dest;
1561         int can_change,i;
1562         int direction = 1;
1563         char outpars[MAXBUF];
1564
1565         dest = Find(parameters[0]);
1566
1567         // fix: ChroNiCk found this - we cant use this as debug if its null!
1568         if (dest)
1569         {
1570                 log(DEBUG,"merge_mode on %s",dest->nick);
1571         }
1572
1573         if ((dest) && (pcnt > 1))
1574         {
1575                 log(DEBUG,"params > 1");
1576
1577                 char dmodes[MAXBUF];
1578                 strncpy(dmodes,dest->modes,MAXBUF);
1579
1580                 strcpy(outpars,"+");
1581                 direction = 1;
1582
1583                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1584                         return;
1585
1586                 for (int i = 0; i < strlen(parameters[1]); i++)
1587                 {
1588                         if (parameters[1][i] == '+')
1589                         {
1590                                 if (direction != 1)
1591                                 {
1592                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1593                                         {
1594                                                 outpars[strlen(outpars)-1] = '+';
1595                                         }
1596                                         else
1597                                         {
1598                                                 strcat(outpars,"+");
1599                                         }
1600                                 }
1601                                 direction = 1;
1602                         }
1603                         else
1604                         if (parameters[1][i] == '-')
1605                         {
1606                                 if (direction != 0)
1607                                 {
1608                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1609                                         {
1610                                                 outpars[strlen(outpars)-1] = '-';
1611                                         }
1612                                         else
1613                                         {
1614                                                 strcat(outpars,"-");
1615                                         }
1616                                 }
1617                                 direction = 0;
1618                         }
1619                         else
1620                         {
1621                                 log(DEBUG,"begin mode processing entry");
1622                                 can_change = 1;
1623                                 if (can_change)
1624                                 {
1625                                         if (direction == 1)
1626                                         {
1627                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1628                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1629                                                 {
1630                                                         char umode = parameters[1][i];
1631                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1632                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1633                                                         {
1634                                                                 dmodes[strlen(dmodes)+1]='\0';
1635                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1636                                                                 outpars[strlen(outpars)+1]='\0';
1637                                                                 outpars[strlen(outpars)] = parameters[1][i];
1638                                                         }
1639                                                 }
1640                                         }
1641                                         else
1642                                         {
1643                                                 // can only remove a mode they already have
1644                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1645                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1646                                                 {
1647                                                         char umode = parameters[1][i];
1648                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1649                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1650                                                         {
1651                                                                 int q = 0;
1652                                                                 char temp[MAXBUF];
1653                                                                 char moo[MAXBUF];
1654
1655                                                                 outpars[strlen(outpars)+1]='\0';
1656                                                                 outpars[strlen(outpars)] = parameters[1][i];
1657
1658                                                                 strcpy(temp,"");
1659                                                                 for (q = 0; q < strlen(dmodes); q++)
1660                                                                 {
1661                                                                         if (dmodes[q] != parameters[1][i])
1662                                                                         {
1663                                                                                 moo[0] = dmodes[q];
1664                                                                                 moo[1] = '\0';
1665                                                                                 strcat(temp,moo);
1666                                                                         }
1667                                                                 }
1668                                                                 strcpy(dmodes,temp);
1669                                                         }
1670                                                 }
1671                                         }
1672                                 }
1673                         }
1674                 }
1675                 if (strlen(outpars))
1676                 {
1677                         char b[MAXBUF];
1678                         strcpy(b,"");
1679                         int z = 0;
1680                         int i = 0;
1681                         while (i < strlen (outpars))
1682                         {
1683                                 b[z++] = outpars[i++];
1684                                 b[z] = '\0';
1685                                 if (i<strlen(outpars)-1)
1686                                 {
1687                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1688                                         {
1689                                                 // someones playing silly buggers and trying
1690                                                 // to put a +- or -+ into the line...
1691                                                 i++;
1692                                         }
1693                                 }
1694                                 if (i == strlen(outpars)-1)
1695                                 {
1696                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1697                                         {
1698                                                 i++;
1699                                         }
1700                                 }
1701                         }
1702
1703                         z = strlen(b)-1;
1704                         if ((b[z] == '-') || (b[z] == '+'))
1705                                 b[z] == '\0';
1706
1707                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1708                                 return;
1709
1710                         WriteTo(user,dest,"MODE :%s",b);
1711
1712                         if (strlen(dmodes)>MAXMODES)
1713                         {
1714                                 dmodes[MAXMODES-1] = '\0';
1715                         }
1716                         log(DEBUG,"Stripped mode line");
1717                         log(DEBUG,"Line dest is now %s",dmodes);
1718                         strncpy(dest->modes,dmodes,MAXMODES);
1719
1720                 }
1721
1722                 return;
1723         }
1724
1725         Ptr = FindChan(parameters[0]);
1726         if (Ptr)
1727         {
1728                 log(DEBUG,"merge_mode2: found channel %s",Ptr->name);
1729                 if (Ptr)
1730                 {
1731                         if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server)))
1732                         {
1733                                 return;
1734                         }
1735                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
1736                 }
1737         }
1738 }
1739
1740