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
 660                                                 // reported by mech: large values cause underflow
 661                                                 if (chan->limit < 0)
 662                                                         chan->limit = MAXINT;
 663
 664                                                 if (chan->limit)
 665                                                 {
 666                                                         strcat(outlist,"l");
 667                                                         strcpy(outpars[pc++],parameters[param++]);
 668                                                         l_set = true;
 669                                                 }
 670                                         }
 671                                 break;
 672
 673                                 case 'i':
 674                                         if (chan->inviteonly != mdir)
 675                                         {
 676                                                 strcat(outlist,"i");
 677                                         }
 678                                         chan->inviteonly = mdir;
 679                                 break;
 680
 681                                 case 't':
 682                                         if (chan->topiclock != mdir)
 683                                         {
 684                                                 strcat(outlist,"t");
 685                                         }
 686                                         chan->topiclock = mdir;
 687                                 break;
 688
 689                                 case 'n':
 690                                         if (chan->noexternal != mdir)
 691                                         {
 692                                                 strcat(outlist,"n");
 693                                         }
 694                                         chan->noexternal = mdir;
 695                                 break;
 696
 697                                 case 'm':
 698                                         if (chan->moderated != mdir)
 699                                         {
 700                                                 strcat(outlist,"m");
 701                                         }
 702                                         chan->moderated = mdir;
 703                                 break;
 704
 705                                 case 's':
 706                                         if (chan->secret != mdir)
 707                                         {
 708                                                 strcat(outlist,"s");
 709                                                 if (chan->c_private)
 710                                                 {
 711                                                         chan->c_private = 0;
 712                                                         if (mdir)
 713                                                         {
 714                                                                 strcat(outlist,"-p+");
 715                                                         }
 716                                                         else
 717                                                         {
 718                                                                 strcat(outlist,"+p-");
 719                                                         }
 720                                                 }
 721                                         }
 722                                         chan->secret = mdir;
 723                                 break;
 724
 725                                 case 'p':
 726                                         if (chan->c_private != mdir)
 727                                         {
 728                                                 strcat(outlist,"p");
 729                                                 if (chan->secret)
 730                                                 {
 731                                                         chan->secret = 0;
 732                                                         if (mdir)
 733                                                         {
 734                                                                 strcat(outlist,"-s+");
 735                                                         }
 736                                                         else
 737                                                         {
 738                                                                 strcat(outlist,"+s-");
 739                                                         }
 740                                                 }
 741                                         }
 742                                         chan->c_private = mdir;
 743                                 break;
 744
 745                                 default:
 746                                         log(DEBUG,"Preprocessing custom mode %c",modechar);
 747                                         string_list p;
 748                                         p.clear();
 749                                         if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
 750                                         {
 751                                                 log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
 752                                                 break;
 753                                         }
 754                                         if (ModeDefined(modechar,MT_CHANNEL))
 755                                         {
 756                                                 log(DEBUG,"A module has claimed this mode");
 757                                                 if (param<pcnt)
 758                                                 {
 759                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
 760                                                         {
 761                                                                 p.push_back(parameters[param]);
 762                                                         }
 763                                                         if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
 764                                                         {
 765                                                                 p.push_back(parameters[param]);
 766                                                         }
 767                                                 }
 768                                                 bool handled = false;
 769                                                 if (param>=pcnt)
 770                                                 {
 771                                                         log(DEBUG,"Not enough parameters for module-mode %c",modechar);
 772                                                         // we're supposed to have a parameter, but none was given... so dont handle the mode.
 773                                                         if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
 774                                                         {
 775                                                                 handled = true;
 776                                                                 param++;
 777                                                         }
 778                                                 }
 779                                                 for (int i = 0; i <= MODCOUNT; i++)
 780                                                 {
 781                                                         if (!handled)
 782                                                         {
 783                                                                 if (modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p))
 784                                                                 {
 785                                                                         log(DEBUG,"OnExtendedMode returned nonzero for a module");
 786                                                                         char app[] = {modechar, 0};
 787                                                                         if (ptr>0)
 788                                                                         {
 789                                                                                 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
 790                                                                                 {
 791                                                                                         strcat(outlist, app);
 792                                                                                 }
 793                                                                                 else if (!strchr(outlist,modechar))
 794                                                                                 {
 795                                                                                         strcat(outlist, app);
 796                                                                                 }
 797                                                                         }
 798                                                                         chan->SetCustomMode(modechar,mdir);
 799                                                                         // include parameters in output if mode has them
 800                                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
 801                                                                         {
 802                                                                                 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
 803                                                                                 strcpy(outpars[pc++],parameters[param++]);
 804                                                                         }
 805                                                                         // break, because only one module can handle the mode.
 806                                                                         handled = true;
 807                                                                 }
 808                                                         }
 809                                                 }
 810                                         }
 811                                 break;
 812
 813                         }
 814                 }
 815         }
 816
 817         /* this ensures only the *valid* modes are sent out onto the network */
 818         while ((outlist[strlen(outlist)-1] == '-') || (outlist[strlen(outlist)-1] == '+'))
 819         {
 820                 outlist[strlen(outlist)-1] = '\0';
 821         }
 822         if (strcmp(outlist,""))
 823         {
 824                 strcpy(outstr,outlist);
 825                 for (ptr = 0; ptr < pc; ptr++)
 826                 {
 827                         strcat(outstr," ");
 828                         strcat(outstr,outpars[ptr]);
 829                 }
 830                 if (local)
 831                 {
 832                         log(DEBUG,"Local mode change");
 833                         WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
 834                 }
 835                 else
 836                 {
 837                         if (servermode)
 838                         {
 839                                 if (!silent)
 840                                 {
 841                                         WriteChannelWithServ(ServerName,chan,user,"MODE %s %s",chan->name,outstr);
 842                                         // M token for a usermode must go to all servers
 843                                         char buffer[MAXBUF];
 844                                         snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
 845                                         NetSendToAll(buffer);
 846                                 }
 847
 848                         }
 849                         else
 850                         {
 851                                 if (!silent)
 852                                 {
 853                                         WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
 854                                         // M token for a usermode must go to all servers
 855                                         char buffer[MAXBUF];
 856                                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
 857                                         NetSendToAll(buffer);
 858                                 }
 859                         }
 860                 }
 861         }
 862 }
 863
 864 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
 865
 866 bool allowed_umode(char umode, char* sourcemodes,bool adding)
 867 {
 868         log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
 869         // RFC1459 specified modes
 870         if ((umode == 'w') || (umode == 's') || (umode == 'i'))
 871         {
 872                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
 873                 return true;
 874         }
 875
 876         // user may not +o themselves or others, but an oper may de-oper other opers or themselves
 877         if ((strchr(sourcemodes,'o')) && (!adding))
 878         {
 879                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
 880                 return true;
 881         }
 882         else if (umode == 'o')
 883         {
 884                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
 885                 return false;
 886         }
 887
 888         // process any module-defined modes that need oper
 889         if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
 890         {
 891                 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
 892                 return true;
 893         }
 894         else
 895         if (ModeDefined(umode,MT_CLIENT))
 896         {
 897                 // process any module-defined modes that don't need oper
 898                 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
 899                 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
 900                 {
 901                         // no, this mode needs oper, and this user 'aint got what it takes!
 902                         return false;
 903                 }
 904                 return true;
 905         }
 906
 907         // anything else - return false.
 908         log(DEBUG,"umode %c not known by any ruleset",umode);
 909         return false;
 910 }
 911
 912 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
 913 {
 914         userrec* s2;
 915         bool faked = false;
 916         if (!source)
 917         {
 918                 s2 = new userrec;
 919                 strncpy(s2->nick,ServerName,NICKMAX);
 920                 strcpy(s2->modes,"o");
 921                 s2->fd = -1;
 922                 source = s2;
 923                 faked = true;
 924         }
 925         string_list p;
 926         p.clear();
 927         if (ModeDefined(umode,MT_CLIENT))
 928         {
 929                 for (int i = 0; i <= MODCOUNT; i++)
 930                 {
 931                         if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
 932                         {
 933                                 log(DEBUG,"Module claims umode %c",umode);
 934                                 return true;
 935                         }
 936                 }
 937                 log(DEBUG,"No module claims umode %c",umode);
 938                 if (faked)
 939                 {
 940                         delete s2;
 941                         source = NULL;
 942                 }
 943                 return false;
 944         }
 945         else
 946         {
 947                 if (faked)
 948                 {
 949                         delete s2;
 950                         source = NULL;
 951                 }
 952                 return false;
 953         }
 954 }
 955
 956 void handle_mode(char **parameters, int pcnt, userrec *user)
 957 {
 958         chanrec* Ptr;
 959         userrec* dest;
 960         int can_change,i;
 961         int direction = 1;
 962         char outpars[MAXBUF];
 963
 964         dest = Find(parameters[0]);
 965
 966         if (!user)
 967         {
 968                 return;
 969         }
 970
 971         if ((dest) && (pcnt == 1))
 972         {
 973                 WriteServ(user->fd,"221 %s :+%s",user->nick,user->modes);
 974                 return;
 975         }
 976
 977         if ((dest) && (pcnt > 1))
 978         {
 979                 char dmodes[MAXBUF];
 980                 strncpy(dmodes,dest->modes,MAXBUF);
 981                 log(DEBUG,"pulled up dest user modes: %s",dmodes);
 982
 983                 can_change = 0;
 984                 if (user != dest)
 985                 {
 986                         if (strchr(user->modes,'o'))
 987                         {
 988                                 can_change = 1;
 989                         }
 990                 }
 991                 else
 992                 {
 993                         can_change = 1;
 994                 }
 995                 if (!can_change)
 996                 {
 997                         WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
 998                         return;
 999                 }
1000
1001                 strcpy(outpars,"+");
1002                 direction = 1;
1003
1004                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1005                         return;
1006
1007                 for (int i = 0; i < strlen(parameters[1]); i++)
1008                 {
1009                         if (parameters[1][i] == '+')
1010                         {
1011                                 if (direction != 1)
1012                                 {
1013                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1014                                         {
1015                                                 outpars[strlen(outpars)-1] = '+';
1016                                         }
1017                                         else
1018                                         {
1019                                                 strcat(outpars,"+");
1020                                         }
1021                                 }
1022                                 direction = 1;
1023                         }
1024                         else
1025                         if (parameters[1][i] == '-')
1026                         {
1027                                 if (direction != 0)
1028                                 {
1029                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1030                                         {
1031                                                 outpars[strlen(outpars)-1] = '-';
1032                                         }
1033                                         else
1034                                         {
1035                                                 strcat(outpars,"-");
1036                                         }
1037                                 }
1038                                 direction = 0;
1039                         }
1040                         else
1041                         {
1042                                 can_change = 0;
1043                                 if (strchr(user->modes,'o'))
1044                                 {
1045                                         can_change = 1;
1046                                 }
1047                                 else
1048                                 {
1049                                         if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
1050                                         {
1051                                                 can_change = 1;
1052                                         }
1053                                 }
1054                                 if (can_change)
1055                                 {
1056                                         if (direction == 1)
1057                                         {
1058                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1059                                                 {
1060                                                         char umode = parameters[1][i];
1061                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1062                                                         {
1063                                                                 dmodes[strlen(dmodes)+1]='\0';
1064                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1065                                                                 outpars[strlen(outpars)+1]='\0';
1066                                                                 outpars[strlen(outpars)] = parameters[1][i];
1067                                                         }
1068                                                 }
1069                                         }
1070                                         else
1071                                         {
1072                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1073                                                 {
1074                                                         char umode = parameters[1][i];
1075                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1076                                                         {
1077                                                                 int q = 0;
1078                                                                 char temp[MAXBUF];
1079                                                                 char moo[MAXBUF];
1080
1081                                                                 outpars[strlen(outpars)+1]='\0';
1082                                                                 outpars[strlen(outpars)] = parameters[1][i];
1083
1084                                                                 strcpy(temp,"");
1085                                                                 for (q = 0; q < strlen(dmodes); q++)
1086                                                                 {
1087                                                                         if (dmodes[q] != parameters[1][i])
1088                                                                         {
1089                                                                                 moo[0] = dmodes[q];
1090                                                                                 moo[1] = '\0';
1091                                                                                 strcat(temp,moo);
1092                                                                         }
1093                                                                 }
1094                                                                 strcpy(dmodes,temp);
1095                                                         }
1096                                                 }
1097                                         }
1098                                 }
1099                         }
1100                 }
1101                 if (strlen(outpars))
1102                 {
1103                         char b[MAXBUF];
1104                         strcpy(b,"");
1105                         int z = 0;
1106                         int i = 0;
1107                         while (i < strlen (outpars))
1108                         {
1109                                 b[z++] = outpars[i++];
1110                                 b[z] = '\0';
1111                                 if (i<strlen(outpars)-1)
1112                                 {
1113                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1114                                         {
1115                                                 // someones playing silly buggers and trying
1116                                                 // to put a +- or -+ into the line...
1117                                                 i++;
1118                                         }
1119                                 }
1120                                 if (i == strlen(outpars)-1)
1121                                 {
1122                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1123                                         {
1124                                                 i++;
1125                                         }
1126                                 }
1127                         }
1128
1129                         z = strlen(b)-1;
1130                         if ((b[z] == '-') || (b[z] == '+'))
1131                                 b[z] == '\0';
1132
1133                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1134                                 return;
1135
1136                         WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1137
1138                         // M token for a usermode must go to all servers
1139                         char buffer[MAXBUF];
1140                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1141                         NetSendToAll(buffer);
1142
1143                         if (strlen(dmodes)>MAXMODES)
1144                         {
1145                                 dmodes[MAXMODES-1] = '\0';
1146                         }
1147                         log(DEBUG,"Stripped mode line");
1148                         log(DEBUG,"Line dest is now %s",dmodes);
1149                         strncpy(dest->modes,dmodes,MAXMODES);
1150
1151                 }
1152
1153                 return;
1154         }
1155
1156         Ptr = FindChan(parameters[0]);
1157         if (Ptr)
1158         {
1159                 if (pcnt == 1)
1160                 {
1161                         /* just /modes #channel */
1162                         WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
1163                         WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1164                         return;
1165                 }
1166                 else
1167                 if (pcnt == 2)
1168                 {
1169                         if ((!strcmp(parameters[1],"+b")) || (!strcmp(parameters[1],"b")))
1170                         {
1171
1172                                 for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1173                                 {
1174                                         WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
1175                                 }
1176                                 WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
1177                                 return;
1178                         }
1179                 }
1180
1181                 if ((cstatus(user,Ptr) < STATUS_HOP) && (Ptr))
1182                 {
1183                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
1184                         return;
1185                 }
1186
1187                 process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
1188         }
1189         else
1190         {
1191                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
1192         }
1193 }
1194
1195
1196
1197
1198 void server_mode(char **parameters, int pcnt, userrec *user)
1199 {
1200         chanrec* Ptr;
1201         userrec* dest;
1202         int can_change,i;
1203         int direction = 1;
1204         char outpars[MAXBUF];
1205
1206         dest = Find(parameters[0]);
1207
1208         // fix: ChroNiCk found this - we cant use this as debug if its null!
1209         if (dest)
1210         {
1211                 log(DEBUG,"server_mode on %s",dest->nick);
1212         }
1213
1214         if ((dest) && (pcnt > 1))
1215         {
1216                 log(DEBUG,"params > 1");
1217
1218                 char dmodes[MAXBUF];
1219                 strncpy(dmodes,dest->modes,MAXBUF);
1220
1221                 strcpy(outpars,"+");
1222                 direction = 1;
1223
1224                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1225                         return;
1226
1227                 for (int i = 0; i < strlen(parameters[1]); i++)
1228                 {
1229                         if (parameters[1][i] == '+')
1230                         {
1231                                 if (direction != 1)
1232                                 {
1233                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1234                                         {
1235                                                 outpars[strlen(outpars)-1] = '+';
1236                                         }
1237                                         else
1238                                         {
1239                                                 strcat(outpars,"+");
1240                                         }
1241                                 }
1242                                 direction = 1;
1243                         }
1244                         else
1245                         if (parameters[1][i] == '-')
1246                         {
1247                                 if (direction != 0)
1248                                 {
1249                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1250                                         {
1251                                                 outpars[strlen(outpars)-1] = '-';
1252                                         }
1253                                         else
1254                                         {
1255                                                 strcat(outpars,"-");
1256                                         }
1257                                 }
1258                                 direction = 0;
1259                         }
1260                         else
1261                         {
1262                                 log(DEBUG,"begin mode processing entry");
1263                                 can_change = 1;
1264                                 if (can_change)
1265                                 {
1266                                         if (direction == 1)
1267                                         {
1268                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1269                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1270                                                 {
1271                                                         char umode = parameters[1][i];
1272                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1273                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1274                                                         {
1275                                                                 dmodes[strlen(dmodes)+1]='\0';
1276                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1277                                                                 outpars[strlen(outpars)+1]='\0';
1278                                                                 outpars[strlen(outpars)] = parameters[1][i];
1279                                                         }
1280                                                 }
1281                                         }
1282                                         else
1283                                         {
1284                                                 // can only remove a mode they already have
1285                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1286                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1287                                                 {
1288                                                         char umode = parameters[1][i];
1289                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1290                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1291                                                         {
1292                                                                 int q = 0;
1293                                                                 char temp[MAXBUF];
1294                                                                 char moo[MAXBUF];
1295
1296                                                                 outpars[strlen(outpars)+1]='\0';
1297                                                                 outpars[strlen(outpars)] = parameters[1][i];
1298
1299                                                                 strcpy(temp,"");
1300                                                                 for (q = 0; q < strlen(dmodes); q++)
1301                                                                 {
1302                                                                         if (dmodes[q] != parameters[1][i])
1303                                                                         {
1304                                                                                 moo[0] = dmodes[q];
1305                                                                                 moo[1] = '\0';
1306                                                                                 strcat(temp,moo);
1307                                                                         }
1308                                                                 }
1309                                                                 strcpy(dmodes,temp);
1310                                                         }
1311                                                 }
1312                                         }
1313                                 }
1314                         }
1315                 }
1316                 if (strlen(outpars))
1317                 {
1318                         char b[MAXBUF];
1319                         strcpy(b,"");
1320                         int z = 0;
1321                         int i = 0;
1322                         while (i < strlen (outpars))
1323                         {
1324                                 b[z++] = outpars[i++];
1325                                 b[z] = '\0';
1326                                 if (i<strlen(outpars)-1)
1327                                 {
1328                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1329                                         {
1330                                                 // someones playing silly buggers and trying
1331                                                 // to put a +- or -+ into the line...
1332                                                 i++;
1333                                         }
1334                                 }
1335                                 if (i == strlen(outpars)-1)
1336                                 {
1337                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1338                                         {
1339                                                 i++;
1340                                         }
1341                                 }
1342                         }
1343
1344                         z = strlen(b)-1;
1345                         if ((b[z] == '-') || (b[z] == '+'))
1346                                 b[z] == '\0';
1347
1348                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1349                                 return;
1350
1351                         WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1352
1353                         // M token for a usermode must go to all servers
1354                         char buffer[MAXBUF];
1355                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1356                         NetSendToAll(buffer);
1357
1358                         if (strlen(dmodes)>MAXMODES)
1359                         {
1360                                 dmodes[MAXMODES-1] = '\0';
1361                         }
1362                         log(DEBUG,"Stripped mode line");
1363                         log(DEBUG,"Line dest is now %s",dmodes);
1364                         strncpy(dest->modes,dmodes,MAXMODES);
1365
1366                 }
1367
1368                 return;
1369         }
1370
1371         Ptr = FindChan(parameters[0]);
1372         if (Ptr)
1373         {
1374                 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1375         }
1376         else
1377         {
1378                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
1379         }
1380 }
1381
1382
1383
1384 void merge_mode(char **parameters, int pcnt)
1385 {
1386         chanrec* Ptr;
1387         userrec* dest;
1388         int can_change,i;
1389         int direction = 1;
1390         char outpars[MAXBUF];
1391
1392         dest = Find(parameters[0]);
1393
1394         // fix: ChroNiCk found this - we cant use this as debug if its null!
1395         if (dest)
1396         {
1397                 log(DEBUG,"merge_mode on %s",dest->nick);
1398         }
1399
1400         if ((dest) && (pcnt > 1))
1401         {
1402                 log(DEBUG,"params > 1");
1403
1404                 char dmodes[MAXBUF];
1405                 strncpy(dmodes,dest->modes,MAXBUF);
1406
1407                 strcpy(outpars,"+");
1408                 direction = 1;
1409
1410                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1411                         return;
1412
1413                 for (int i = 0; i < strlen(parameters[1]); i++)
1414                 {
1415                         if (parameters[1][i] == '+')
1416                         {
1417                                 if (direction != 1)
1418                                 {
1419                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1420                                         {
1421                                                 outpars[strlen(outpars)-1] = '+';
1422                                         }
1423                                         else
1424                                         {
1425                                                 strcat(outpars,"+");
1426                                         }
1427                                 }
1428                                 direction = 1;
1429                         }
1430                         else
1431                         if (parameters[1][i] == '-')
1432                         {
1433                                 if (direction != 0)
1434                                 {
1435                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1436                                         {
1437                                                 outpars[strlen(outpars)-1] = '-';
1438                                         }
1439                                         else
1440                                         {
1441                                                 strcat(outpars,"-");
1442                                         }
1443                                 }
1444                                 direction = 0;
1445                         }
1446                         else
1447                         {
1448                                 log(DEBUG,"begin mode processing entry");
1449                                 can_change = 1;
1450                                 if (can_change)
1451                                 {
1452                                         if (direction == 1)
1453                                         {
1454                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1455                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
1456                                                 {
1457                                                         char umode = parameters[1][i];
1458                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1459                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1460                                                         {
1461                                                                 dmodes[strlen(dmodes)+1]='\0';
1462                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1463                                                                 outpars[strlen(outpars)+1]='\0';
1464                                                                 outpars[strlen(outpars)] = parameters[1][i];
1465                                                         }
1466                                                 }
1467                                         }
1468                                         else
1469                                         {
1470                                                 // can only remove a mode they already have
1471                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1472                                                 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
1473                                                 {
1474                                                         char umode = parameters[1][i];
1475                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1476                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1477                                                         {
1478                                                                 int q = 0;
1479                                                                 char temp[MAXBUF];
1480                                                                 char moo[MAXBUF];
1481
1482                                                                 outpars[strlen(outpars)+1]='\0';
1483                                                                 outpars[strlen(outpars)] = parameters[1][i];
1484
1485                                                                 strcpy(temp,"");
1486                                                                 for (q = 0; q < strlen(dmodes); q++)
1487                                                                 {
1488                                                                         if (dmodes[q] != parameters[1][i])
1489                                                                         {
1490                                                                                 moo[0] = dmodes[q];
1491                                                                                 moo[1] = '\0';
1492                                                                                 strcat(temp,moo);
1493                                                                         }
1494                                                                 }
1495                                                                 strcpy(dmodes,temp);
1496                                                         }
1497                                                 }
1498                                         }
1499                                 }
1500                         }
1501                 }
1502                 if (strlen(outpars))
1503                 {
1504                         char b[MAXBUF];
1505                         strcpy(b,"");
1506                         int z = 0;
1507                         int i = 0;
1508                         while (i < strlen (outpars))
1509                         {
1510                                 b[z++] = outpars[i++];
1511                                 b[z] = '\0';
1512                                 if (i<strlen(outpars)-1)
1513                                 {
1514                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1515                                         {
1516                                                 // someones playing silly buggers and trying
1517                                                 // to put a +- or -+ into the line...
1518                                                 i++;
1519                                         }
1520                                 }
1521                                 if (i == strlen(outpars)-1)
1522                                 {
1523                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1524                                         {
1525                                                 i++;
1526                                         }
1527                                 }
1528                         }
1529
1530                         z = strlen(b)-1;
1531                         if ((b[z] == '-') || (b[z] == '+'))
1532                                 b[z] == '\0';
1533
1534                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1535                                 return;
1536
1537                         if (strlen(dmodes)>MAXMODES)
1538                         {
1539                                 dmodes[MAXMODES-1] = '\0';
1540                         }
1541                         log(DEBUG,"Stripped mode line");
1542                         log(DEBUG,"Line dest is now %s",dmodes);
1543                         strncpy(dest->modes,dmodes,MAXMODES);
1544
1545                 }
1546
1547                 return;
1548         }
1549
1550         Ptr = FindChan(parameters[0]);
1551         if (Ptr)
1552         {
1553                 userrec s2;
1554                 strncpy(s2.nick,ServerName,NICKMAX);
1555                 strcpy(s2.modes,"o");
1556                 s2.fd = -1;
1557                 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
1558         }
1559 }
1560
1561
1562 void merge_mode2(char **parameters, int pcnt, userrec* user)
1563 {
1564         chanrec* Ptr;
1565         userrec* dest;
1566         int can_change,i;
1567         int direction = 1;
1568         char outpars[MAXBUF];
1569
1570         dest = Find(parameters[0]);
1571
1572         // fix: ChroNiCk found this - we cant use this as debug if its null!
1573         if (dest)
1574         {
1575                 log(DEBUG,"merge_mode on %s",dest->nick);
1576         }
1577
1578         if ((dest) && (pcnt > 1))
1579         {
1580                 log(DEBUG,"params > 1");
1581
1582                 char dmodes[MAXBUF];
1583                 strncpy(dmodes,dest->modes,MAXBUF);
1584
1585                 strcpy(outpars,"+");
1586                 direction = 1;
1587
1588                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1589                         return;
1590
1591                 for (int i = 0; i < strlen(parameters[1]); i++)
1592                 {
1593                         if (parameters[1][i] == '+')
1594                         {
1595                                 if (direction != 1)
1596                                 {
1597                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1598                                         {
1599                                                 outpars[strlen(outpars)-1] = '+';
1600                                         }
1601                                         else
1602                                         {
1603                                                 strcat(outpars,"+");
1604                                         }
1605                                 }
1606                                 direction = 1;
1607                         }
1608                         else
1609                         if (parameters[1][i] == '-')
1610                         {
1611                                 if (direction != 0)
1612                                 {
1613                                         if ((outpars[strlen(outpars)-1] == '+') || (outpars[strlen(outpars)-1] == '-'))
1614                                         {
1615                                                 outpars[strlen(outpars)-1] = '-';
1616                                         }
1617                                         else
1618                                         {
1619                                                 strcat(outpars,"-");
1620                                         }
1621                                 }
1622                                 direction = 0;
1623                         }
1624                         else
1625                         {
1626                                 log(DEBUG,"begin mode processing entry");
1627                                 can_change = 1;
1628                                 if (can_change)
1629                                 {
1630                                         if (direction == 1)
1631                                         {
1632                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1633                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1634                                                 {
1635                                                         char umode = parameters[1][i];
1636                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1637                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1638                                                         {
1639                                                                 dmodes[strlen(dmodes)+1]='\0';
1640                                                                 dmodes[strlen(dmodes)] = parameters[1][i];
1641                                                                 outpars[strlen(outpars)+1]='\0';
1642                                                                 outpars[strlen(outpars)] = parameters[1][i];
1643                                                         }
1644                                                 }
1645                                         }
1646                                         else
1647                                         {
1648                                                 // can only remove a mode they already have
1649                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1650                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1651                                                 {
1652                                                         char umode = parameters[1][i];
1653                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1654                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1655                                                         {
1656                                                                 int q = 0;
1657                                                                 char temp[MAXBUF];
1658                                                                 char moo[MAXBUF];
1659
1660                                                                 outpars[strlen(outpars)+1]='\0';
1661                                                                 outpars[strlen(outpars)] = parameters[1][i];
1662
1663                                                                 strcpy(temp,"");
1664                                                                 for (q = 0; q < strlen(dmodes); q++)
1665                                                                 {
1666                                                                         if (dmodes[q] != parameters[1][i])
1667                                                                         {
1668                                                                                 moo[0] = dmodes[q];
1669                                                                                 moo[1] = '\0';
1670                                                                                 strcat(temp,moo);
1671                                                                         }
1672                                                                 }
1673                                                                 strcpy(dmodes,temp);
1674                                                         }
1675                                                 }
1676                                         }
1677                                 }
1678                         }
1679                 }
1680                 if (strlen(outpars))
1681                 {
1682                         char b[MAXBUF];
1683                         strcpy(b,"");
1684                         int z = 0;
1685                         int i = 0;
1686                         while (i < strlen (outpars))
1687                         {
1688                                 b[z++] = outpars[i++];
1689                                 b[z] = '\0';
1690                                 if (i<strlen(outpars)-1)
1691                                 {
1692                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1693                                         {
1694                                                 // someones playing silly buggers and trying
1695                                                 // to put a +- or -+ into the line...
1696                                                 i++;
1697                                         }
1698                                 }
1699                                 if (i == strlen(outpars)-1)
1700                                 {
1701                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1702                                         {
1703                                                 i++;
1704                                         }
1705                                 }
1706                         }
1707
1708                         z = strlen(b)-1;
1709                         if ((b[z] == '-') || (b[z] == '+'))
1710                                 b[z] == '\0';
1711
1712                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1713                                 return;
1714
1715                         WriteTo(user,dest,"MODE :%s",b);
1716
1717                         if (strlen(dmodes)>MAXMODES)
1718                         {
1719                                 dmodes[MAXMODES-1] = '\0';
1720                         }
1721                         log(DEBUG,"Stripped mode line");
1722                         log(DEBUG,"Line dest is now %s",dmodes);
1723                         strncpy(dest->modes,dmodes,MAXMODES);
1724
1725                 }
1726
1727                 return;
1728         }
1729
1730         Ptr = FindChan(parameters[0]);
1731         if (Ptr)
1732         {
1733                 log(DEBUG,"merge_mode2: found channel %s",Ptr->name);
1734                 if (Ptr)
1735                 {
1736                         if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server)))
1737                         {
1738                                 return;
1739                         }
1740                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
1741                 }
1742         }
1743 }
1744
1745