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