src/mode.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include "inspircd_config.h"
  20 #include "inspircd.h"
  21 #include "inspircd_io.h"
  22 #include "inspircd_util.h"
  23 #include <unistd.h>
  24 #include <sys/errno.h>
  25 #include <time.h>
  26 #include <string>
  27 #ifdef GCC3
  28 #include <ext/hash_map>
  29 #else
  30 #include <hash_map>
  31 #endif
  32 #include <map>
  33 #include <sstream>
  34 #include <vector>
  35 #include <deque>
  36 #include "connection.h"
  37 #include "users.h"
  38 #include "ctables.h"
  39 #include "globals.h"
  40 #include "modules.h"
  41 #include "dynamic.h"
  42 #include "wildcard.h"
  43 #include "message.h"
  44 #include "commands.h"
  45 #include "xline.h"
  46 #include "inspstring.h"
  47 #include "helperfuncs.h"
  48
  49 extern int MODCOUNT;
  50 extern std::vector<Module*> modules;
  51 extern std::vector<ircd_module*> factory;
  52 extern std::vector<std::string> module_names;
  53
  54 extern ServerConfig* Config;
  55
  56 extern time_t TIME;
  57
  58 char* give_ops(userrec *user,char *dest,chanrec *chan,int status)
  59 {
  60         userrec *d;
  61
  62         if ((!user) || (!dest) || (!chan))
  63         {
  64                 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
  65                 return NULL;
  66         }
  67
  68         if (!isnick(dest))
  69         {
  70                 log(DEFAULT,"the target nickname given to give_ops was invalid");
  71                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
  72                 return NULL;
  73         }
  74         d = Find(dest);
  75         if (!d)
  76         {
  77                 log(DEFAULT,"the target nickname given to give_ops couldnt be found");
  78                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
  79                 return NULL;
  80         }
  81         else
  82         {
  83
  84                 int MOD_RESULT = 0;
  85                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_OP));
  86
  87                 if (MOD_RESULT == ACR_DENY)
  88                         return NULL;
  89                 if (MOD_RESULT == ACR_DEFAULT)
  90                 {
  91                         if ((status < STATUS_OP) && (!is_uline(user->server)))
  92                         {
  93                                 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
  94                                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
  95                                 return NULL;
  96                         }
  97                 }
  98
  99
 100                 for (unsigned int i = 0; i < d->chans.size(); i++)
 101                 {
 102                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 103                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 104                         {
 105                         if (d->chans[i].uc_modes & UCMODE_OP)
 106                                 {
 107                                         /* mode already set on user, dont allow multiple */
 108                                         log(DEFAULT,"The target user given to give_ops was already opped on the channel");
 109                                         return NULL;
 110                                 }
 111                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
 112                                 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
 113                                 return d->nick;
 114                         }
 115                 }
 116                 log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
 117         }
 118         return NULL;
 119 }
 120
 121 char* give_hops(userrec *user,char *dest,chanrec *chan,int status)
 122 {
 123         userrec *d;
 124
 125         if ((!user) || (!dest) || (!chan))
 126         {
 127                 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
 128                 return NULL;
 129         }
 130
 131         d = Find(dest);
 132         if (!isnick(dest))
 133         {
 134                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 135                 return NULL;
 136         }
 137         if (!d)
 138         {
 139                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 140                 return NULL;
 141         }
 142         else
 143         {
 144                 int MOD_RESULT = 0;
 145                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_HALFOP));
 146
 147                 if (MOD_RESULT == ACR_DENY)
 148                         return NULL;
 149                 if (MOD_RESULT == ACR_DEFAULT)
 150                 {
 151                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 152                         {
 153                                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 154                                 return NULL;
 155                         }
 156                 }
 157
 158                 for (unsigned int i = 0; i < d->chans.size(); i++)
 159                 {
 160                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 161                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 162                         {
 163                                 if (d->chans[i].uc_modes & UCMODE_HOP)
 164                                 {
 165                                         /* mode already set on user, dont allow multiple */
 166                                         return NULL;
 167                                 }
 168                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
 169                                 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
 170                                 return d->nick;
 171                         }
 172                 }
 173         }
 174         return NULL;
 175 }
 176
 177 char* give_voice(userrec *user,char *dest,chanrec *chan,int status)
 178 {
 179         userrec *d;
 180
 181         if ((!user) || (!dest) || (!chan))
 182         {
 183                 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
 184                 return NULL;
 185         }
 186
 187         d = Find(dest);
 188         if (!isnick(dest))
 189         {
 190                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 191                 return NULL;
 192         }
 193         if (!d)
 194         {
 195                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 196                 return NULL;
 197         }
 198         else
 199         {
 200                 int MOD_RESULT = 0;
 201                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_VOICE));
 202
 203                 if (MOD_RESULT == ACR_DENY)
 204                         return NULL;
 205                 if (MOD_RESULT == ACR_DEFAULT)
 206                 {
 207                         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 208                         {
 209                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 210                                 return NULL;
 211                         }
 212                 }
 213
 214                 for (unsigned int i = 0; i < d->chans.size(); i++)
 215                 {
 216                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 217                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 218                         {
 219                                 if (d->chans[i].uc_modes & UCMODE_VOICE)
 220                                 {
 221                                         /* mode already set on user, dont allow multiple */
 222                                         return NULL;
 223                                 }
 224                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
 225                                 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
 226                                 return d->nick;
 227                         }
 228                 }
 229         }
 230         return NULL;
 231 }
 232
 233 char* take_ops(userrec *user,char *dest,chanrec *chan,int status)
 234 {
 235         userrec *d;
 236
 237         if ((!user) || (!dest) || (!chan))
 238         {
 239                 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
 240                 return NULL;
 241         }
 242
 243         d = Find(dest);
 244         if (!isnick(dest))
 245         {
 246                 log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
 247                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 248                 return NULL;
 249         }
 250         if (!d)
 251         {
 252                 log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
 253                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 254                 return NULL;
 255         }
 256         else
 257         {
 258                 int MOD_RESULT = 0;
 259                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEOP));
 260
 261                 if (MOD_RESULT == ACR_DENY)
 262                         return NULL;
 263                 if (MOD_RESULT == ACR_DEFAULT)
 264                 {
 265                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 266                         {
 267                                 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
 268                                 return NULL;
 269                         }
 270                 }
 271
 272                 for (unsigned int i = 0; i < d->chans.size(); i++)
 273                 {
 274                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 275                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 276                         {
 277                                 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
 278                                 {
 279                                         /* mode already set on user, dont allow multiple */
 280                                         return NULL;
 281                                 }
 282                                 d->chans[i].uc_modes ^= UCMODE_OP;
 283                                 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
 284                                 return d->nick;
 285                         }
 286                 }
 287                 log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
 288         }
 289         return NULL;
 290 }
 291
 292 char* take_hops(userrec *user,char *dest,chanrec *chan,int status)
 293 {
 294         userrec *d;
 295
 296         if ((!user) || (!dest) || (!chan))
 297         {
 298                 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
 299                 return NULL;
 300         }
 301
 302         d = Find(dest);
 303         if (!isnick(dest))
 304         {
 305                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 306                 return NULL;
 307         }
 308         if (!d)
 309         {
 310                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 311                 return NULL;
 312         }
 313         else
 314         {
 315                 int MOD_RESULT = 0;
 316                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEHALFOP));
 317
 318                 if (MOD_RESULT == ACR_DENY)
 319                         return NULL;
 320                 if (MOD_RESULT == ACR_DEFAULT)
 321                 {
 322                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 323                         {
 324                                 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
 325                                 return NULL;
 326                         }
 327                 }
 328
 329                 for (unsigned int i = 0; i < d->chans.size(); i++)
 330                 {
 331                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 332                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 333                         {
 334                                 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
 335                                 {
 336                                         /* mode already set on user, dont allow multiple */
 337                                         return NULL;
 338                                 }
 339                                 d->chans[i].uc_modes ^= UCMODE_HOP;
 340                                 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
 341                                 return d->nick;
 342                         }
 343                 }
 344         }
 345         return NULL;
 346 }
 347
 348 char* take_voice(userrec *user,char *dest,chanrec *chan,int status)
 349 {
 350         userrec *d;
 351
 352         if ((!user) || (!dest) || (!chan))
 353         {
 354                 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
 355                 return NULL;
 356         }
 357
 358         d = Find(dest);
 359         if (!isnick(dest))
 360         {
 361                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 362                 return NULL;
 363         }
 364         if (!d)
 365         {
 366                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 367                 return NULL;
 368         }
 369         else
 370         {
 371                 int MOD_RESULT = 0;
 372                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEVOICE));
 373
 374                 if (MOD_RESULT == ACR_DENY)
 375                         return NULL;
 376                 if (MOD_RESULT == ACR_DEFAULT)
 377                 {
 378                         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 379                         {
 380                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 381                                 return NULL;
 382                         }
 383                 }
 384
 385                 for (unsigned int i = 0; i < d->chans.size(); i++)
 386                 {
 387                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 388                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 389                         {
 390                                 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
 391                                 {
 392                                         /* mode already set on user, dont allow multiple */
 393                                         return NULL;
 394                                 }
 395                                 d->chans[i].uc_modes ^= UCMODE_VOICE;
 396                                 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
 397                                 return d->nick;
 398                         }
 399                 }
 400         }
 401         return NULL;
 402 }
 403
 404 char* add_ban(userrec *user,char *dest,chanrec *chan,int status)
 405 {
 406         if ((!user) || (!dest) || (!chan)) {
 407                 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
 408                 return NULL;
 409         }
 410
 411         BanItem b;
 412         if ((!user) || (!dest) || (!chan))
 413                 return NULL;
 414         unsigned int l = strlen(dest);
 415         if (strchr(dest,'!')==0)
 416                 return NULL;
 417         if (strchr(dest,'@')==0)
 418                 return NULL;
 419         for (unsigned int i = 0; i < l; i++)
 420                 if (dest[i] < 32)
 421                         return NULL;
 422         for (unsigned int i = 0; i < l; i++)
 423                 if (dest[i] > 126)
 424                         return NULL;
 425         int c = 0;
 426         for (unsigned int i = 0; i < l; i++)
 427                 if (dest[i] == '!')
 428                         c++;
 429         if (c>1)
 430                 return NULL;
 431         c = 0;
 432         for (unsigned int i = 0; i < l; i++)
 433                 if (dest[i] == '@')
 434                         c++;
 435         if (c>1)
 436                 return NULL;
 437
 438         long maxbans = GetMaxBans(chan->name);
 439         if ((unsigned)chan->bans.size() > (unsigned)maxbans)
 440         {
 441                 WriteServ(user->fd,"478 %s %s :Channel ban list for %s is full (maximum entries for this channel is %d)",user->nick, chan->name,chan->name,maxbans);
 442                 return NULL;
 443         }
 444
 445         log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
 446
 447         int MOD_RESULT = 0;
 448         FOREACH_RESULT(OnAddBan(user,chan,dest));
 449         if (MOD_RESULT)
 450                 return NULL;
 451
 452         TidyBan(dest);
 453         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 454         {
 455                 if (!strcasecmp(i->data,dest))
 456                 {
 457                         // dont allow a user to set the same ban twice
 458                         return NULL;
 459                 }
 460         }
 461
 462         b.set_time = TIME;
 463         strncpy(b.data,dest,MAXBUF);
 464         strncpy(b.set_by,user->nick,NICKMAX);
 465         chan->bans.push_back(b);
 466         return dest;
 467 }
 468
 469 char* take_ban(userrec *user,char *dest,chanrec *chan,int status)
 470 {
 471         if ((!user) || (!dest) || (!chan)) {
 472                 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
 473                 return 0;
 474         }
 475
 476         log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
 477         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 478         {
 479                 if (!strcasecmp(i->data,dest))
 480                 {
 481                         int MOD_RESULT = 0;
 482                         FOREACH_RESULT(OnDelBan(user,chan,dest));
 483                         if (MOD_RESULT)
 484                                 return NULL;
 485                         chan->bans.erase(i);
 486                         return dest;
 487                 }
 488         }
 489         return NULL;
 490 }
 491
 492 // tidies up redundant modes, e.g. +nt-nt+i becomes +-+i,
 493 // a section further down the chain tidies up the +-+- crap.
 494 std::string compress_modes(std::string modes,bool channelmodes)
 495 {
 496         int counts[127];
 497         bool active[127];
 498         memset(counts,0,sizeof(counts));
 499         memset(active,0,sizeof(active));
 500         log(DEBUG,"compress_modes: %s",modes.c_str());
 501         for (unsigned int i = 0; i < modes.length(); i++)
 502         {
 503                 if ((modes[i] == '+') || (modes[i] == '-'))
 504                         continue;
 505                 if (channelmodes)
 506                 {
 507                         if ((strchr("itnmsp",modes[i])) || ((ModeDefined(modes[i],MT_CHANNEL)) && (ModeDefinedOn(modes[i],MT_CHANNEL)==0) && (ModeDefinedOff(modes[i],MT_CHANNEL)==0)))
 508                         {
 509                                 log(DEBUG,"Tidy mode %c",modes[i]);
 510                                 counts[(unsigned int)modes[i]]++;
 511                                 active[(unsigned int)modes[i]] = true;
 512                         }
 513                 }
 514                 else
 515                 {
 516                         log(DEBUG,"Tidy mode %c",modes[i]);
 517                         counts[(unsigned int)modes[i]]++;
 518                         active[(unsigned int)modes[i]] = true;
 519                 }
 520         }
 521         for (int j = 65; j < 127; j++)
 522         {
 523                 if ((counts[j] > 1) && (active[j] == true))
 524                 {
 525                         static char v[2];
 526                         v[0] = (unsigned char)j;
 527                         v[1] = '\0';
 528                         std::string mode_str = v;
 529                         std::string::size_type pos = modes.find(mode_str);
 530                         if (pos != std::string::npos)
 531                         {
 532                                 log(DEBUG,"all occurances of mode %c to be deleted...",(unsigned char)j);
 533                                 while (modes.find(mode_str) != std::string::npos)
 534                                         modes.erase(modes.find(mode_str),1);
 535                                 log(DEBUG,"New mode line: %s",modes.c_str());
 536                         }
 537                 }
 538         }
 539         return modes;
 540 }
 541
 542 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
 543 {
 544         if (!parameters) {
 545                 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
 546                 return;
 547         }
 548
 549         char modelist[MAXBUF];
 550         char outlist[MAXBUF];
 551         char outstr[MAXBUF];
 552         char outpars[32][MAXBUF];
 553         int param = 2;
 554         int pc = 0;
 555         int ptr = 0;
 556         int mdir = 1;
 557         char* r = NULL;
 558         bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
 559
 560         if (pcnt < 2)
 561         {
 562                 return;
 563         }
 564
 565         int MOD_RESULT = 0;
 566         FOREACH_RESULT(OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
 567
 568         if (MOD_RESULT == ACR_DENY)
 569                 return;
 570
 571         log(DEBUG,"process_modes: start: parameters=%d",pcnt);
 572
 573         strlcpy(modelist,parameters[1],MAXBUF); /* mode list, e.g. +oo-o *
 574                                                  * parameters[2] onwards are parameters for
 575                                                  * modes that require them :) */
 576         strlcpy(outlist,"+",MAXBUF);
 577         mdir = 1;
 578
 579         log(DEBUG,"process_modes: modelist: %s",modelist);
 580
 581         std::string tidied = compress_modes(modelist,true);
 582         strlcpy(modelist,tidied.c_str(),MAXBUF);
 583
 584         int len = strlen(modelist);
 585         while (modelist[len-1] == ' ')
 586                 modelist[--len] = '\0';
 587         for (ptr = 0; ptr < len; ptr++)
 588         {
 589                 r = NULL;
 590
 591                 {
 592                         log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
 593
 594                         char modechar = modelist[ptr];
 595                         switch (modelist[ptr])
 596                         {
 597                                 case '-':
 598                                         if (mdir != 0)
 599                                         {
 600                                                 int t = strlen(outlist)-1;
 601                                                 if ((outlist[t] == '+') || (outlist[t] == '-'))
 602                                                 {
 603                                                         outlist[t] = '-';
 604                                                 }
 605                                                 else
 606                                                 {
 607                                                         strcat(outlist,"-");
 608                                                 }
 609                                         }
 610                                         mdir = 0;
 611
 612                                 break;
 613
 614                                 case '+':
 615                                         if (mdir != 1)
 616                                         {
 617                                                 int t = strlen(outlist)-1;
 618                                                 if ((outlist[t] == '+') || (outlist[t] == '-'))
 619                                                 {
 620                                                         outlist[t] = '+';
 621                                                 }
 622                                                 else
 623                                                 {
 624                                                         strcat(outlist,"+");
 625                                                 }
 626                                         }
 627                                         mdir = 1;
 628                                 break;
 629
 630                                 case 'o':
 631                                         log(DEBUG,"Ops");
 632                                         if ((param >= pcnt)) break;
 633                                         log(DEBUG,"Enough parameters left");
 634                                         if (mdir == 1)
 635                                         {
 636                                                 MOD_RESULT = 0;
 637                                                 FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], true, 1));
 638                                                 if (!MOD_RESULT)
 639                                                 {
 640                                                         log(DEBUG,"calling give_ops");
 641                                                         r = give_ops(user,parameters[param++],chan,status);
 642                                                 }
 643                                                 else param++;
 644                                         }
 645                                         else
 646                                         {
 647                                                 MOD_RESULT = 0;
 648                                                 FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], false, 1));
 649                                                 if (!MOD_RESULT)
 650                                                 {
 651                                                         log(DEBUG,"calling take_ops");
 652                                                         r = take_ops(user,parameters[param++],chan,status);
 653                                                 }
 654                                                 else param++;
 655                                         }
 656                                         if (r)
 657                                         {
 658                                                 strlcat(outlist,"o",MAXBUF);
 659                                                 strlcpy(outpars[pc++],r,MAXBUF);
 660                                         }
 661                                 break;
 662
 663                                 case 'h':
 664                                         if (((param >= pcnt)) || (!Config->AllowHalfop)) break;
 665                                         if (mdir == 1)
 666                                         {
 667                                                 MOD_RESULT = 0;
 668                                                 FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], true, 1));
 669                                                 if (!MOD_RESULT)
 670                                                 {
 671                                                         r = give_hops(user,parameters[param++],chan,status);
 672                                                 }
 673                                                 else param++;
 674                                         }
 675                                         else
 676                                         {
 677                                                 MOD_RESULT = 0;
 678                                                 FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], false, 1));
 679                                                 if (!MOD_RESULT)
 680                                                 {
 681                                                         r = take_hops(user,parameters[param++],chan,status);
 682                                                 }
 683                                                 else param++;
 684                                         }
 685                                         if (r)
 686                                         {
 687                                                 strlcat(outlist,"h",MAXBUF);
 688                                                 strlcpy(outpars[pc++],r,MAXBUF);
 689                                         }
 690                                 break;
 691
 692
 693                                 case 'v':
 694                                         if ((param >= pcnt)) break;
 695                                         if (mdir == 1)
 696                                         {
 697                                                 MOD_RESULT = 0;
 698                                                 FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], true, 1));
 699                                                 if (!MOD_RESULT)
 700                                                 {
 701                                                         r = give_voice(user,parameters[param++],chan,status);
 702                                                 }
 703                                                 else param++;
 704                                         }
 705                                         else
 706                                         {
 707                                                 MOD_RESULT = 0;
 708                                                 FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], false, 1));
 709                                                 if (!MOD_RESULT)
 710                                                 {
 711                                                         r = take_voice(user,parameters[param++],chan,status);
 712                                                 }
 713                                                 else param++;
 714                                         }
 715                                         if (r)
 716                                         {
 717                                                 strlcat(outlist,"v",MAXBUF);
 718                                                 strlcpy(outpars[pc++],r,MAXBUF);
 719                                         }
 720                                 break;
 721
 722                                 case 'b':
 723                                         if ((param >= pcnt)) break;
 724                                         if (mdir == 1)
 725                                         {
 726                                                 MOD_RESULT = 0;
 727                                                 FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], true, 1));
 728                                                 if (!MOD_RESULT)
 729                                                 {
 730                                                         r = add_ban(user,parameters[param++],chan,status);
 731                                                 }
 732                                                 else param++;
 733                                         }
 734                                         else
 735                                         {
 736                                                 MOD_RESULT = 0;
 737                                                 FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], false, 1));
 738                                                 if (!MOD_RESULT)
 739                                                 {
 740                                                         r = take_ban(user,parameters[param++],chan,status);
 741                                                 }
 742                                                 else param++;
 743                                         }
 744                                         if (r)
 745                                         {
 746                                                 strlcat(outlist,"b",MAXBUF);
 747                                                 strlcpy(outpars[pc++],parameters[param-1],MAXBUF);
 748                                         }
 749                                 break;
 750
 751
 752                                 case 'k':
 753                                         if ((param >= pcnt))
 754                                                 break;
 755
 756                                         if (mdir == 1)
 757                                         {
 758                                                 if (k_set)
 759                                                         break;
 760
 761                                                 if (previously_unset_k)
 762                                                         break;
 763                                                 previously_set_k = true;
 764
 765                                                 if (!strcmp(chan->key,""))
 766                                                 {
 767                                                         MOD_RESULT = 0;
 768                                                         FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], true, 1));
 769                                                         if (!MOD_RESULT)
 770                                                         {
 771                                                                 strcat(outlist,"k");
 772                                                                 char key[MAXBUF];
 773                                                                 strlcpy(key,parameters[param++],32);
 774                                                                 strlcpy(outpars[pc++],key,MAXBUF);
 775                                                                 strlcpy(chan->key,key,MAXBUF);
 776                                                                 k_set = true;
 777                                                         }
 778                                                         else param++;
 779                                                 }
 780                                         }
 781                                         else
 782                                         {
 783                                                 /* checks on -k are case sensitive and only accurate to the
 784                                                    first 32 characters */
 785                                                 if (previously_set_k)
 786                                                         break;
 787                                                 previously_unset_k = true;
 788
 789                                                 char key[MAXBUF];
 790                                                 MOD_RESULT = 0;
 791                                                 FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], false, 1));
 792                                                 if (!MOD_RESULT)
 793                                                 {
 794                                                         strlcpy(key,parameters[param++],32);
 795                                                         /* only allow -k if correct key given */
 796                                                         if (!strcmp(chan->key,key))
 797                                                         {
 798                                                                 strlcat(outlist,"k",MAXBUF);
 799                                                                 strlcpy(chan->key,"",MAXBUF);
 800                                                                 strlcpy(outpars[pc++],key,MAXBUF);
 801                                                         }
 802                                                 }
 803                                                 else param++;
 804                                         }
 805                                 break;
 806
 807                                 case 'l':
 808                                         if (mdir == 0)
 809                                         {
 810                                                 if (previously_set_l)
 811                                                         break;
 812                                                 previously_unset_l = true;
 813                                                 MOD_RESULT = 0;
 814                                                 FOREACH_RESULT(OnRawMode(user, chan, 'l', "", false, 0));
 815                                                 if (!MOD_RESULT)
 816                                                 {
 817                                                         if (chan->limit)
 818                                                         {
 819                                                                 strcat(outlist,"l");
 820                                                                 chan->limit = 0;
 821                                                         }
 822                                                 }
 823                                         }
 824
 825                                         if ((param >= pcnt)) break;
 826                                         if (mdir == 1)
 827                                         {
 828                                                 if (l_set)
 829                                                         break;
 830                                                 if (previously_unset_l)
 831                                                         break;
 832                                                 previously_set_l = true;
 833                                                 bool invalid = false;
 834                                                 for (unsigned int i = 0; i < strlen(parameters[param]); i++)
 835                                                 {
 836                                                         if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
 837                                                         {
 838                                                                 invalid = true;
 839                                                         }
 840                                                 }
 841                                                 if (atoi(parameters[param]) < 1)
 842                                                 {
 843                                                         invalid = true;
 844                                                 }
 845
 846                                                 if (invalid)
 847                                                         break;
 848
 849                                                 MOD_RESULT = 0;
 850                                                 FOREACH_RESULT(OnRawMode(user, chan, 'l', parameters[param], true, 1));
 851                                                 if (!MOD_RESULT)
 852                                                 {
 853
 854                                                         chan->limit = atoi(parameters[param]);
 855
 856                                                         // reported by mech: large values cause underflow
 857                                                         if (chan->limit < 0)
 858                                                                 chan->limit = 0x7FFF;
 859                                                 }
 860
 861                                                 if (chan->limit)
 862                                                 {
 863                                                         strlcat(outlist,"l",MAXBUF);
 864                                                         strlcpy(outpars[pc++],parameters[param++],MAXBUF);
 865                                                         l_set = true;
 866                                                 }
 867                                         }
 868                                 break;
 869
 870                                 case 'i':
 871                                         MOD_RESULT = 0;
 872                                         FOREACH_RESULT(OnRawMode(user, chan, 'i', "", mdir, 0));
 873                                         if (!MOD_RESULT)
 874                                         {
 875                                                 if (mdir)
 876                                                 {
 877                                                         if (!(chan->binarymodes & CM_INVITEONLY)) strlcat(outlist,"i",MAXBUF);
 878                                                         chan->binarymodes |= CM_INVITEONLY;
 879                                                 }
 880                                                 else
 881                                                 {
 882                                                         if (chan->binarymodes & CM_INVITEONLY) strlcat(outlist,"i",MAXBUF);
 883                                                         chan->binarymodes &= ~CM_INVITEONLY;
 884                                                 }
 885                                         }
 886                                 break;
 887
 888                                 case 't':
 889                                         MOD_RESULT = 0;
 890                                         FOREACH_RESULT(OnRawMode(user, chan, 't', "", mdir, 0));
 891                                         if (!MOD_RESULT)
 892                                         {
 893                                                 if (mdir)
 894                                                 {
 895                                                         if (!(chan->binarymodes & CM_TOPICLOCK)) strlcat(outlist,"t",MAXBUF);
 896                                                         chan->binarymodes |= CM_TOPICLOCK;
 897                                                 }
 898                                                 else
 899                                                 {
 900                                                         if (chan->binarymodes & CM_NOEXTERNAL) strlcat(outlist,"t",MAXBUF);
 901                                                         chan->binarymodes &= ~CM_TOPICLOCK;
 902                                                 }
 903                                         }
 904                                 break;
 905
 906                                 case 'n':
 907                                         MOD_RESULT = 0;
 908                                         FOREACH_RESULT(OnRawMode(user, chan, 'n', "", mdir, 0));
 909                                         if (!MOD_RESULT)
 910                                         {
 911                                                 if (mdir)
 912                                                 {
 913                                                         if (!(chan->binarymodes & CM_NOEXTERNAL)) strlcat(outlist,"n",MAXBUF);
 914                                                         chan->binarymodes |= CM_NOEXTERNAL;
 915                                                 }
 916                                                 else
 917                                                 {
 918                                                         if (chan->binarymodes & CM_NOEXTERNAL) strlcat(outlist,"n",MAXBUF);
 919                                                         chan->binarymodes &= ~CM_NOEXTERNAL;
 920                                                 }
 921                                         }
 922                                 break;
 923
 924                                 case 'm':
 925                                         MOD_RESULT = 0;
 926                                         FOREACH_RESULT(OnRawMode(user, chan, 'm', "", mdir, 0));
 927                                         if (!MOD_RESULT)
 928                                         {
 929                                                 if (mdir)
 930                                                 {
 931                                                         if (!(chan->binarymodes & CM_MODERATED)) strlcat(outlist,"m",MAXBUF);
 932                                                         chan->binarymodes |= CM_MODERATED;
 933                                                 }
 934                                                 else
 935                                                 {
 936                                                         if (chan->binarymodes & CM_MODERATED) strlcat(outlist,"m",MAXBUF);
 937                                                         chan->binarymodes &= ~CM_MODERATED;
 938                                                 }
 939                                         }
 940                                 break;
 941
 942                                 case 's':
 943                                         MOD_RESULT = 0;
 944                                         FOREACH_RESULT(OnRawMode(user, chan, 's', "", mdir, 0));
 945                                         if (!MOD_RESULT)
 946                                         {
 947                                                 if (mdir)
 948                                                 {
 949                                                         if (!(chan->binarymodes & CM_SECRET)) strlcat(outlist,"s",MAXBUF);
 950                                                         chan->binarymodes |= CM_SECRET;
 951                                                         if (chan->binarymodes & CM_PRIVATE)
 952                                                         {
 953                                                                 chan->binarymodes &= ~CM_PRIVATE;
 954                                                                 if (mdir)
 955                                                                 {
 956                                                                         strlcat(outlist,"-p+",MAXBUF);
 957                                                                 }
 958                                                         }
 959                                                 }
 960                                                 else
 961                                                 {
 962                                                         if (chan->binarymodes & CM_SECRET) strlcat(outlist,"s",MAXBUF);
 963                                                         chan->binarymodes &= ~CM_SECRET;
 964                                                 }
 965                                         }
 966                                 break;
 967
 968                                 case 'p':
 969                                         MOD_RESULT = 0;
 970                                         FOREACH_RESULT(OnRawMode(user, chan, 'p', "", mdir, 0));
 971                                         if (!MOD_RESULT)
 972                                         {
 973                                                 if (mdir)
 974                                                 {
 975                                                         if (!(chan->binarymodes & CM_PRIVATE)) strlcat(outlist,"p",MAXBUF);
 976                                                         chan->binarymodes |= CM_PRIVATE;
 977                                                         if (chan->binarymodes & CM_SECRET)
 978                                                         {
 979                                                                 chan->binarymodes &= ~CM_SECRET;
 980                                                                 if (mdir)
 981                                                                 {
 982                                                                         strlcat(outlist,"-s+",MAXBUF);
 983                                                                 }
 984                                                         }
 985                                                 }
 986                                                 else
 987                                                 {
 988                                                         if (chan->binarymodes & CM_PRIVATE) strlcat(outlist,"p",MAXBUF);
 989                                                         chan->binarymodes &= ~CM_PRIVATE;
 990                                                 }
 991                                         }
 992                                 break;
 993
 994                                 default:
 995                                         log(DEBUG,"Preprocessing custom mode %c: modelist: %s",modechar,chan->custom_modes);
 996                                         string_list p;
 997                                         p.clear();
 998                                         if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
 999                                         {
1000                                                 if (!ModeIsListMode(modechar,MT_CHANNEL))
1001                                                 {
1002                                                         log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
1003                                                         break;
1004                                                 }
1005                                         }
1006                                         if (ModeDefined(modechar,MT_CHANNEL))
1007                                         {
1008                                                 log(DEBUG,"A module has claimed this mode");
1009                                                 if (param<pcnt)
1010                                                 {
1011                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
1012                                                         {
1013                                                                 p.push_back(parameters[param]);
1014                                                         }
1015                                                         if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
1016                                                         {
1017                                                                 p.push_back(parameters[param]);
1018                                                         }
1019                                                 }
1020                                                 bool handled = false;
1021                                                 if (param>=pcnt)
1022                                                 {
1023                                                         // we're supposed to have a parameter, but none was given... so dont handle the mode.
1024                                                         if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
1025                                                         {
1026                                                                 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
1027                                                                 handled = true;
1028                                                                 param++;
1029                                                         }
1030                                                 }
1031
1032                                                 // BIG ASS IDIOTIC CODER WARNING!
1033                                                 // Using OnRawMode on another modules mode's behavour
1034                                                 // will confuse the crap out of admins! just because you CAN
1035                                                 // do it, doesnt mean you SHOULD!
1036                                                 MOD_RESULT = 0;
1037                                                 std::string para = "";
1038                                                 if (p.size())
1039                                                         para = p[0];
1040                                                 FOREACH_RESULT(OnRawMode(user, chan, modechar, para, mdir, pcnt));
1041                                                 if (!MOD_RESULT)
1042                                                 {
1043                                                         for (int i = 0; i <= MODCOUNT; i++)
1044                                                         {
1045                                                                 if (!handled)
1046                                                                 {
1047                                                                         int t = modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p);
1048                                                                         if (t != 0)
1049                                                                         {
1050                                                                                 log(DEBUG,"OnExtendedMode returned nonzero for a module");
1051                                                                                 char app[] = {modechar, 0};
1052                                                                                 if (ModeIsListMode(modechar,MT_CHANNEL))
1053                                                                                 {
1054                                                                                         if (t == -1)
1055                                                                                         {
1056                                                                                                 //pc++;
1057                                                                                                 param++;
1058                                                                                         }
1059                                                                                         else
1060                                                                                         {
1061                                                                                                 if (ptr>0)
1062                                                                                                 {
1063                                                                                                         strlcat(outlist, app,MAXBUF);
1064                                                                                                 }
1065                                                                                                 strlcpy(outpars[pc++],parameters[param++],MAXBUF);
1066                                                                                         }
1067                                                                                 }
1068                                                                                 else
1069                                                                                 {
1070                                                                                         if (ptr>0)
1071                                                                                         {
1072                                                                                                 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
1073                                                                                                 {
1074                                                                                                         strlcat(outlist, app,MAXBUF);
1075                                                                                                 }
1076                                                                                                 else if (!strchr(outlist,modechar))
1077                                                                                                 {
1078                                                                                                         strlcat(outlist, app,MAXBUF);
1079                                                                                                 }
1080                                                                                         }
1081                                                                                         chan->SetCustomMode(modechar,mdir);
1082                                                                                         // include parameters in output if mode has them
1083                                                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
1084                                                                                         {
1085                                                                                                 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
1086                                                                                                 strlcpy(outpars[pc++],parameters[param++],MAXBUF);
1087                                                                                         }
1088                                                                                 }
1089                                                                                 // break, because only one module can handle the mode.
1090                                                                                 handled = true;
1091                                                                         }
1092                                                                 }
1093                                                         }
1094                                                 }
1095                                         }
1096                                         else
1097                                         {
1098                                                 WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,modechar);
1099                                         }
1100                                 break;
1101
1102                         }
1103                 }
1104         }
1105
1106         /* this ensures only the *valid* modes are sent out onto the network */
1107         int xt = strlen(outlist)-1;
1108         while ((outlist[xt] == '-') || (outlist[xt] == '+'))
1109         {
1110                 outlist[xt] = '\0';
1111                 xt = strlen(outlist)-1;
1112         }
1113         if (outlist[0])
1114         {
1115                 strlcpy(outstr,outlist,MAXBUF);
1116                 for (ptr = 0; ptr < pc; ptr++)
1117                 {
1118                         strlcat(outstr," ",MAXBUF);
1119                         strlcat(outstr,outpars[ptr],MAXBUF);
1120                 }
1121                 if (local)
1122                 {
1123                         log(DEBUG,"Local mode change");
1124                         WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
1125                         FOREACH_MOD OnMode(user, chan, TYPE_CHANNEL, outstr);
1126                 }
1127                 else
1128                 {
1129                         if (servermode)
1130                         {
1131                                 if (!silent)
1132                                 {
1133                                         WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outstr);
1134                                 }
1135
1136                         }
1137                         else
1138                         {
1139                                 if (!silent)
1140                                 {
1141                                         WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
1142                                         FOREACH_MOD OnMode(user, chan, TYPE_CHANNEL, outstr);
1143                                 }
1144                         }
1145                 }
1146         }
1147 }
1148
1149 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
1150
1151 bool allowed_umode(char umode, char* sourcemodes,bool adding,bool serveroverride)
1152 {
1153         log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
1154         // Servers can +o and -o arbitrarily
1155         if ((serveroverride == true) && (umode == 'o'))
1156         {
1157                 return true;
1158         }
1159         // RFC1459 specified modes
1160         if ((umode == 'w') || (umode == 's') || (umode == 'i'))
1161         {
1162                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1163                 return true;
1164         }
1165
1166         // user may not +o themselves or others, but an oper may de-oper other opers or themselves
1167         if ((strchr(sourcemodes,'o')) && (!adding))
1168         {
1169                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1170                 return true;
1171         }
1172         else if (umode == 'o')
1173         {
1174                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1175                 return false;
1176         }
1177
1178         // process any module-defined modes that need oper
1179         if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
1180         {
1181                 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
1182                 return true;
1183         }
1184         else
1185         if (ModeDefined(umode,MT_CLIENT))
1186         {
1187                 // process any module-defined modes that don't need oper
1188                 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
1189                 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
1190                 {
1191                         // no, this mode needs oper, and this user 'aint got what it takes!
1192                         return false;
1193                 }
1194                 return true;
1195         }
1196
1197         // anything else - return false.
1198         log(DEBUG,"umode %c not known by any ruleset",umode);
1199         return false;
1200 }
1201
1202 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
1203 {
1204         userrec* s2;
1205         bool faked = false;
1206         if (!source)
1207         {
1208                 s2 = new userrec;
1209                 strlcpy(s2->nick,Config->ServerName,NICKMAX);
1210                 strlcpy(s2->modes,"o",52);
1211                 s2->fd = -1;
1212                 source = s2;
1213                 faked = true;
1214         }
1215         string_list p;
1216         p.clear();
1217         if (ModeDefined(umode,MT_CLIENT))
1218         {
1219                 for (int i = 0; i <= MODCOUNT; i++)
1220                 {
1221                         if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
1222                         {
1223                                 log(DEBUG,"Module %s claims umode %c",module_names[i].c_str(),umode);
1224                                 return true;
1225                         }
1226                 }
1227                 log(DEBUG,"No module claims umode %c",umode);
1228                 if (faked)
1229                 {
1230                         delete s2;
1231                         source = NULL;
1232                 }
1233                 return false;
1234         }
1235         else
1236         {
1237                 if (faked)
1238                 {
1239                         delete s2;
1240                         source = NULL;
1241                 }
1242                 return false;
1243         }
1244 }
1245
1246 void handle_mode(char **parameters, int pcnt, userrec *user)
1247 {
1248         chanrec* Ptr;
1249         userrec* dest;
1250         int can_change;
1251         int direction = 1;
1252         char outpars[MAXBUF];
1253
1254         dest = Find(parameters[0]);
1255
1256         if (!user)
1257         {
1258                 return;
1259         }
1260
1261         if ((dest) && (pcnt == 1))
1262         {
1263                 WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
1264                 return;
1265         }
1266
1267         if ((dest) && (pcnt > 1))
1268         {
1269                 std::string tidied = compress_modes(parameters[1],false);
1270                 parameters[1] = (char*)tidied.c_str();
1271
1272                 char dmodes[MAXBUF];
1273                 strlcpy(dmodes,dest->modes,52);
1274                 log(DEBUG,"pulled up dest user modes: %s",dmodes);
1275
1276                 can_change = 0;
1277                 if (user != dest)
1278                 {
1279                         if ((strchr(user->modes,'o')) || (is_uline(user->server)))
1280                         {
1281                                 can_change = 1;
1282                         }
1283                 }
1284                 else
1285                 {
1286                         can_change = 1;
1287                 }
1288                 if (!can_change)
1289                 {
1290                         WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
1291                         return;
1292                 }
1293
1294                 strcpy(outpars,"+");
1295                 direction = 1;
1296
1297                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1298                         return;
1299
1300                 for (unsigned int i = 0; i < strlen(parameters[1]); i++)
1301                 {
1302                         if (parameters[1][i] == ' ')
1303                                 continue;
1304                         if (parameters[1][i] == '+')
1305                         {
1306                                 if (direction != 1)
1307                                 {
1308                                         int t = strlen(outpars)-1;
1309                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1310                                         {
1311                                                 outpars[t] = '+';
1312                                         }
1313                                         else
1314                                         {
1315                                                 strcat(outpars,"+");
1316                                         }
1317                                 }
1318                                 direction = 1;
1319                         }
1320                         else
1321                         if (parameters[1][i] == '-')
1322                         {
1323                                 if (direction != 0)
1324                                 {
1325                                         int t = strlen(outpars)-1;
1326                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1327                                         {
1328                                                 outpars[t] = '-';
1329                                         }
1330                                         else
1331                                         {
1332                                                 strcat(outpars,"-");
1333                                         }
1334                                 }
1335                                 direction = 0;
1336                         }
1337                         else
1338                         {
1339                                 can_change = 0;
1340                                 if (strchr(user->modes,'o'))
1341                                 {
1342                                         can_change = 1;
1343                                 }
1344                                 else
1345                                 {
1346                                         if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction,false)))
1347                                         {
1348                                                 can_change = 1;
1349                                         }
1350                                 }
1351                                 if (can_change)
1352                                 {
1353                                         if (direction == 1)
1354                                         {
1355                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true,false)))
1356                                                 {
1357                                                         char umode = parameters[1][i];
1358                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1359                                                         {
1360                                                                 int q = strlen(dmodes);
1361                                                                 int r = strlen(outpars);
1362                                                                 dmodes[q+1]='\0';
1363                                                                 dmodes[q] = parameters[1][i];
1364                                                                 outpars[r+1]='\0';
1365                                                                 outpars[r] = parameters[1][i];
1366                                                                 if (parameters[1][i] == 'o')
1367                                                                 {
1368                                                                         FOREACH_MOD OnGlobalOper(dest);
1369                                                                 }
1370                                                         }
1371                                                 }
1372                                         }
1373                                         else
1374                                         {
1375                                                 if ((allowed_umode(parameters[1][i],user->modes,false,false)) && (strchr(dmodes,parameters[1][i])))
1376                                                 {
1377                                                         char umode = parameters[1][i];
1378                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1379                                                         {
1380                                                                 unsigned int q = 0;
1381                                                                 char temp[MAXBUF];
1382                                                                 char moo[MAXBUF];
1383
1384                                                                 unsigned int r = strlen(outpars);
1385                                                                 outpars[r+1]='\0';
1386                                                                 outpars[r] = parameters[1][i];
1387
1388                                                                 strcpy(temp,"");
1389                                                                 for (q = 0; q < strlen(dmodes); q++)
1390                                                                 {
1391                                                                         if (dmodes[q] != parameters[1][i])
1392                                                                         {
1393                                                                                 moo[0] = dmodes[q];
1394                                                                                 moo[1] = '\0';
1395                                                                                 strlcat(temp,moo,MAXBUF);
1396                                                                         }
1397                                                                 }
1398                                                                 strlcpy(dmodes,temp,52);
1399
1400                                                                 if (umode == 'o')
1401                                                                         DeleteOper(dest);
1402                                                         }
1403                                                 }
1404                                         }
1405                                 }
1406                         }
1407                 }
1408                 if (outpars[0])
1409                 {
1410                         char b[MAXBUF];
1411                         strlcpy(b,"",MAXBUF);
1412                         unsigned int z = 0;
1413                         unsigned int i = 0;
1414                         while (i < strlen (outpars))
1415                         {
1416                                 b[z++] = outpars[i++];
1417                                 b[z] = '\0';
1418                                 if (i<strlen(outpars)-1)
1419                                 {
1420                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1421                                         {
1422                                                 // someones playing silly buggers and trying
1423                                                 // to put a +- or -+ into the line...
1424                                                 i++;
1425                                         }
1426                                 }
1427                                 if (i == strlen(outpars)-1)
1428                                 {
1429                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1430                                         {
1431                                                 i++;
1432                                         }
1433                                 }
1434                         }
1435
1436                         z = strlen(b)-1;
1437                         if ((b[z] == '-') || (b[z] == '+'))
1438                                 b[z] = '\0';
1439
1440                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
1441                                 return;
1442
1443                         if (strcmp(b,""))
1444                         {
1445                                 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1446                                 FOREACH_MOD OnMode(user, dest, TYPE_USER, b);
1447                         }
1448
1449                         if (strlen(dmodes)>MAXMODES)
1450                         {
1451                                 dmodes[MAXMODES-1] = '\0';
1452                         }
1453                         log(DEBUG,"Stripped mode line");
1454                         log(DEBUG,"Line dest is now %s",dmodes);
1455                         strlcpy(dest->modes,dmodes,52);
1456
1457                 }
1458
1459                 return;
1460         }
1461
1462         Ptr = FindChan(parameters[0]);
1463         if (Ptr)
1464         {
1465                 if (pcnt == 1)
1466                 {
1467                         /* just /modes #channel */
1468                         WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
1469                         WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1470                         return;
1471                 }
1472                 else
1473                 if (pcnt == 2)
1474                 {
1475                         char* mode = parameters[1];
1476                         if (*mode == '+')
1477                                 mode++;
1478                         int MOD_RESULT = 0;
1479                         FOREACH_RESULT(OnRawMode(user, Ptr, *mode, "", false, 0));
1480                         if (!MOD_RESULT)
1481                         {
1482                                 if (*mode == 'b')
1483                                 {
1484
1485                                         for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1486                                         {
1487                                                 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
1488                                         }
1489                                         WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
1490                                         return;
1491                                 }
1492                                 if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
1493                                 {
1494                                         // list of items for an extmode
1495                                         log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
1496                                         FOREACH_MOD OnSendList(user,Ptr,*mode);
1497                                         return;
1498                                 }
1499                         }
1500                 }
1501
1502                 if (((Ptr) && (!has_channel(user,Ptr))) && (!is_uline(user->server)))
1503                 {
1504                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
1505                         return;
1506                 }
1507
1508                 if (Ptr)
1509                 {
1510                         int MOD_RESULT = 0;
1511                         FOREACH_RESULT(OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE));
1512
1513                         if (MOD_RESULT == ACR_DENY)
1514                                 return;
1515                         if (MOD_RESULT == ACR_DEFAULT)
1516                         {
1517                                 if (cstatus(user,Ptr) < STATUS_HOP)
1518                                 {
1519                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
1520                                         return;
1521                                 }
1522                         }
1523
1524                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
1525                 }
1526         }
1527         else
1528         {
1529                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1530         }
1531 }
1532
1533
1534
1535
1536 void server_mode(char **parameters, int pcnt, userrec *user)
1537 {
1538         chanrec* Ptr;
1539         userrec* dest;
1540         int can_change;
1541         int direction = 1;
1542         char outpars[MAXBUF];
1543
1544         dest = Find(parameters[0]);
1545
1546         // fix: ChroNiCk found this - we cant use this as debug if its null!
1547         if (dest)
1548         {
1549                 log(DEBUG,"server_mode on %s",dest->nick);
1550         }
1551
1552         if ((dest) && (pcnt > 1))
1553         {
1554                 std::string tidied = compress_modes(parameters[1],false);
1555                 parameters[1] = (char*)tidied.c_str();
1556
1557                 char dmodes[MAXBUF];
1558                 strlcpy(dmodes,dest->modes,52);
1559
1560                 strcpy(outpars,"+");
1561                 direction = 1;
1562
1563                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1564                         return;
1565
1566                 for (unsigned int i = 0; i < strlen(parameters[1]); i++)
1567                 {
1568                         if (parameters[1][i] == ' ')
1569                                 continue;
1570                         if (parameters[1][i] == '+')
1571                         {
1572                                 if (direction != 1)
1573                                 {
1574                                         int t = strlen(outpars)-1;
1575                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1576                                         {
1577                                                 outpars[t] = '+';
1578                                         }
1579                                         else
1580                                         {
1581                                                 strcat(outpars,"+");
1582                                         }
1583                                 }
1584                                 direction = 1;
1585                         }
1586                         else
1587                         if (parameters[1][i] == '-')
1588                         {
1589                                 if (direction != 0)
1590                                 {
1591                                         int t = strlen(outpars)-1;
1592                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1593                                         {
1594                                                 outpars[t] = '-';
1595                                         }
1596                                         else
1597                                         {
1598                                                 strcat(outpars,"-");
1599                                         }
1600                                 }
1601                                 direction = 0;
1602                         }
1603                         else
1604                         {
1605                                 log(DEBUG,"begin mode processing entry");
1606                                 can_change = 1;
1607                                 if (can_change)
1608                                 {
1609                                         if (direction == 1)
1610                                         {
1611                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1612                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true,true)))
1613                                                 {
1614                                                         char umode = parameters[1][i];
1615                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1616                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1617                                                         {
1618                                                                 int v1 = strlen(dmodes);
1619                                                                 int v2 = strlen(outpars);
1620                                                                 dmodes[v1+1]='\0';
1621                                                                 dmodes[v1] = parameters[1][i];
1622                                                                 outpars[v2+1]='\0';
1623                                                                 outpars[v2] = parameters[1][i];
1624                                                         }
1625                                                 }
1626                                         }
1627                                         else
1628                                         {
1629                                                 // can only remove a mode they already have
1630                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1631                                                 if ((allowed_umode(parameters[1][i],user->modes,false,true)) && (strchr(dmodes,parameters[1][i])))
1632                                                 {
1633                                                         char umode = parameters[1][i];
1634                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1635                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1636                                                         {
1637                                                                 unsigned int q = 0;
1638                                                                 char temp[MAXBUF];
1639                                                                 char moo[MAXBUF];
1640
1641                                                                 unsigned int v1 = strlen(outpars);
1642                                                                 outpars[v1+1]='\0';
1643                                                                 outpars[v1] = parameters[1][i];
1644
1645                                                                 strcpy(temp,"");
1646                                                                 for (q = 0; q < strlen(dmodes); q++)
1647                                                                 {
1648                                                                         if (dmodes[q] != parameters[1][i])
1649                                                                         {
1650                                                                                 moo[0] = dmodes[q];
1651                                                                                 moo[1] = '\0';
1652                                                                                 strlcat(temp,moo,MAXBUF);
1653                                                                         }
1654                                                                 }
1655                                                                 strlcpy(dmodes,temp,52);
1656                                                         }
1657                                                 }
1658                                         }
1659                                 }
1660                         }
1661                 }
1662                 if (outpars[0])
1663                 {
1664                         char b[MAXBUF];
1665                         strlcpy(b,"",MAXBUF);
1666                         unsigned int z = 0;
1667                         unsigned int i = 0;
1668                         while (i < strlen (outpars))
1669                         {
1670                                 b[z++] = outpars[i++];
1671                                 b[z] = '\0';
1672                                 if (i<strlen(outpars)-1)
1673                                 {
1674                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1675                                         {
1676                                                 // someones playing silly buggers and trying
1677                                                 // to put a +- or -+ into the line...
1678                                                 i++;
1679                                         }
1680                                 }
1681                                 if (i == strlen(outpars)-1)
1682                                 {
1683                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1684                                         {
1685                                                 i++;
1686                                         }
1687                                 }
1688                         }
1689
1690                         z = strlen(b)-1;
1691                         if ((b[z] == '-') || (b[z] == '+'))
1692                                 b[z] = '\0';
1693
1694                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
1695                                 return;
1696
1697                         if (strcmp(b,""))
1698                         {
1699                                 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1700                                 FOREACH_MOD OnMode(user, dest, TYPE_USER, b);
1701                         }
1702
1703                         if (strlen(dmodes)>MAXMODES)
1704                         {
1705                                 dmodes[MAXMODES-1] = '\0';
1706                         }
1707                         log(DEBUG,"Stripped mode line");
1708                         log(DEBUG,"Line dest is now %s",dmodes);
1709                         strlcpy(dest->modes,dmodes,MAXMODES);
1710
1711                 }
1712
1713                 return;
1714         }
1715
1716         Ptr = FindChan(parameters[0]);
1717         if (Ptr)
1718         {
1719                 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1720         }
1721         else
1722         {
1723                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1724         }
1725 }
1726
1727
1728
1729 void merge_mode(char **parameters, int pcnt)
1730 {
1731         chanrec* Ptr;
1732         userrec* dest;
1733         int can_change;
1734         int direction = 1;
1735         char outpars[MAXBUF];
1736
1737         dest = Find(parameters[0]);
1738
1739         // fix: ChroNiCk found this - we cant use this as debug if its null!
1740         if (dest)
1741         {
1742                 log(DEBUG,"merge_mode on %s",dest->nick);
1743         }
1744
1745         if ((dest) && (pcnt > 1))
1746         {
1747                 std::string tidied = compress_modes(parameters[1],false);
1748                 parameters[1] = (char*)tidied.c_str();
1749
1750                 char dmodes[MAXBUF];
1751                 strlcpy(dmodes,dest->modes,52);
1752
1753                 strcpy(outpars,"+");
1754                 direction = 1;
1755
1756                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1757                         return;
1758
1759                 for (unsigned int i = 0; i < strlen(parameters[1]); i++)
1760                 {
1761                         if (parameters[1][i] == ' ')
1762                                 continue;
1763                         if (parameters[1][i] == '+')
1764                         {
1765                                 if (direction != 1)
1766                                 {
1767                                         int t = strlen(outpars)-1;
1768                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1769                                         {
1770                                                 outpars[t] = '+';
1771                                         }
1772                                         else
1773                                         {
1774                                                 strcat(outpars,"+");
1775                                         }
1776                                 }
1777                                 direction = 1;
1778                         }
1779                         else
1780                         if (parameters[1][i] == '-')
1781                         {
1782                                 if (direction != 0)
1783                                 {
1784                                         int t = strlen(outpars)-1;
1785                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1786                                         {
1787                                                 outpars[t] = '-';
1788                                         }
1789                                         else
1790                                         {
1791                                                 strcat(outpars,"-");
1792                                         }
1793                                 }
1794                                 direction = 0;
1795                         }
1796                         else
1797                         {
1798                                 log(DEBUG,"begin mode processing entry");
1799                                 can_change = 1;
1800                                 if (can_change)
1801                                 {
1802                                         if (direction == 1)
1803                                         {
1804                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1805                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true,true)))
1806                                                 {
1807                                                         char umode = parameters[1][i];
1808                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1809                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1810                                                         {
1811                                                                 int v1 = strlen(dmodes);
1812                                                                 int v2 = strlen(outpars);
1813                                                                 dmodes[v1+1]='\0';
1814                                                                 dmodes[v1] = parameters[1][i];
1815                                                                 outpars[v2+1]='\0';
1816                                                                 outpars[v2] = parameters[1][i];
1817                                                         }
1818                                                 }
1819                                         }
1820                                         else
1821                                         {
1822                                                 // can only remove a mode they already have
1823                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1824                                                 if ((allowed_umode(parameters[1][i],"o",false,true)) && (strchr(dmodes,parameters[1][i])))
1825                                                 {
1826                                                         char umode = parameters[1][i];
1827                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1828                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1829                                                         {
1830                                                                 unsigned int q = 0;
1831                                                                 char temp[MAXBUF];
1832                                                                 char moo[MAXBUF];
1833
1834                                                                 unsigned int v1 = strlen(outpars);
1835                                                                 outpars[v1+1]='\0';
1836                                                                 outpars[v1] = parameters[1][i];
1837
1838                                                                 strcpy(temp,"");
1839                                                                 for (q = 0; q < strlen(dmodes); q++)
1840                                                                 {
1841                                                                         if (dmodes[q] != parameters[1][i])
1842                                                                         {
1843                                                                                 moo[0] = dmodes[q];
1844                                                                                 moo[1] = '\0';
1845                                                                                 strlcat(temp,moo,MAXBUF);
1846                                                                         }
1847                                                                 }
1848                                                                 strlcpy(dmodes,temp,52);
1849                                                         }
1850                                                 }
1851                                         }
1852                                 }
1853                         }
1854                 }
1855                 if (outpars[0])
1856                 {
1857                         char b[MAXBUF];
1858                         strcpy(b,"");
1859                         unsigned int z = 0;
1860                         unsigned int i = 0;
1861                         while (i < strlen (outpars))
1862                         {
1863                                 b[z++] = outpars[i++];
1864                                 b[z] = '\0';
1865                                 if (i<strlen(outpars)-1)
1866                                 {
1867                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1868                                         {
1869                                                 // someones playing silly buggers and trying
1870                                                 // to put a +- or -+ into the line...
1871                                                 i++;
1872                                         }
1873                                 }
1874                                 if (i == strlen(outpars)-1)
1875                                 {
1876                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1877                                         {
1878                                                 i++;
1879                                         }
1880                                 }
1881                         }
1882
1883                         z = strlen(b)-1;
1884                         if ((b[z] == '-') || (b[z] == '+'))
1885                                 b[z] = '\0';
1886
1887                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1888                                 return;
1889
1890                         if (strlen(dmodes)>MAXMODES)
1891                         {
1892                                 dmodes[MAXMODES-1] = '\0';
1893                         }
1894                         log(DEBUG,"Stripped mode line");
1895                         log(DEBUG,"Line dest is now %s",dmodes);
1896                         strlcpy(dest->modes,dmodes,MAXMODES);
1897
1898                 }
1899
1900                 return;
1901         }
1902
1903         Ptr = FindChan(parameters[0]);
1904         if (Ptr)
1905         {
1906                 userrec s2;
1907                 strlcpy(s2.nick,Config->ServerName,NICKMAX);
1908                 strcpy(s2.modes,"o");
1909                 s2.fd = -1;
1910                 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
1911         }
1912 }
1913
1914
1915 void merge_mode2(char **parameters, int pcnt, userrec* user)
1916 {
1917         chanrec* Ptr;
1918         userrec* dest;
1919         int can_change;
1920         int direction = 1;
1921         char outpars[MAXBUF];
1922
1923         dest = Find(parameters[0]);
1924
1925         // fix: ChroNiCk found this - we cant use this as debug if its null!
1926         if (dest)
1927         {
1928                 log(DEBUG,"merge_mode2 on %s",dest->nick);
1929         }
1930
1931         if ((dest) && (pcnt > 1))
1932         {
1933                 std::string tidied = compress_modes(parameters[1],false);
1934                 parameters[1] = (char*)tidied.c_str();
1935
1936                 char dmodes[MAXBUF];
1937                 strlcpy(dmodes,dest->modes,52);
1938
1939                 strcpy(outpars,"+");
1940                 direction = 1;
1941
1942                 if ((parameters[1][0] == ':') && (strlen(parameters[1])>1))
1943                 {
1944                         // some stupid 3rd party things (such as services packages) put a colon on the mode list...
1945                         log(DEBUG,"Some muppet put a colon on the modelist! changed to '%s'",++parameters[1]);
1946                 }
1947                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1948                 return;
1949
1950                 for (unsigned int i = 0; i < strlen(parameters[1]); i++)
1951                 {
1952                         if (parameters[1][i] == ' ')
1953                                 continue;
1954                         if (parameters[1][i] == '+')
1955                         {
1956                                 if (direction != 1)
1957                                 {
1958                                         int t = strlen(outpars)-1;
1959                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1960                                         {
1961                                                 outpars[t] = '+';
1962                                         }
1963                                         else
1964                                         {
1965                                                 strcat(outpars,"+");
1966                                         }
1967                                 }
1968                                 direction = 1;
1969                         }
1970                         else
1971                         if (parameters[1][i] == '-')
1972                         {
1973                                 if (direction != 0)
1974                                 {
1975                                         int t = strlen(outpars)-1;
1976                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1977                                         {
1978                                                 outpars[t] = '-';
1979                                         }
1980                                         else
1981                                         {
1982                                                 strcat(outpars,"-");
1983                                         }
1984                                 }
1985                                 direction = 0;
1986                         }
1987                         else
1988                         {
1989                                 log(DEBUG,"begin mode processing entry");
1990                                 can_change = 1;
1991                                 if (can_change)
1992                                 {
1993                                         if (direction == 1)
1994                                         {
1995                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1996                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true,false)))
1997                                                 {
1998                                                         char umode = parameters[1][i];
1999                                                         log(DEBUG,"umode %c is an allowed umode",umode);
2000                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2001                                                         {
2002                                                                 int v1 = strlen(dmodes);
2003                                                                 int v2 = strlen(outpars);
2004                                                                 dmodes[v1+1]='\0';
2005                                                                 dmodes[v1] = parameters[1][i];
2006                                                                 outpars[v2+1]='\0';
2007                                                                 outpars[v2] = parameters[1][i];
2008                                                                 log(DEBUG,"OUTPARS='%s', DMODES='%s'",outpars,dmodes);
2009                                                         }
2010                                                 }
2011                                         }
2012                                         else
2013                                         {
2014                                                 // can only remove a mode they already have
2015                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
2016                                                 if ((allowed_umode(parameters[1][i],user->modes,false,false)) && (strchr(dmodes,parameters[1][i])))
2017                                                 {
2018                                                         char umode = parameters[1][i];
2019                                                         log(DEBUG,"umode %c is an allowed umode",umode);
2020                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2021                                                         {
2022                                                                 unsigned int q = 0;
2023                                                                 char temp[MAXBUF];
2024                                                                 char moo[MAXBUF];
2025
2026                                                                 unsigned int v1 = strlen(outpars);
2027                                                                 outpars[v1+1]='\0';
2028                                                                 outpars[v1] = parameters[1][i];
2029
2030                                                                 strcpy(temp,"");
2031                                                                 for (q = 0; q < strlen(dmodes); q++)
2032                                                                 {
2033                                                                         if (dmodes[q] != parameters[1][i])
2034                                                                         {
2035                                                                                 moo[0] = dmodes[q];
2036                                                                                 moo[1] = '\0';
2037                                                                                 strlcat(temp,moo,MAXBUF);
2038                                                                         }
2039                                                                 }
2040                                                                 strlcpy(dmodes,temp,52);
2041                                                         }
2042                                                 }
2043                                         }
2044                                 }
2045                         }
2046                 }
2047                 log(DEBUG,"DONE! OUTPARS='%s', DMODES='%s'",outpars,dmodes);
2048                 if (outpars[0])
2049                 {
2050                         char b[MAXBUF];
2051                         strcpy(b,"");
2052                         unsigned int z = 0;
2053                         unsigned int i = 0;
2054                         while (i < strlen (outpars))
2055                         {
2056                                 b[z++] = outpars[i++];
2057                                 b[z] = '\0';
2058                                 if (i<strlen(outpars)-1)
2059                                 {
2060                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2061                                         {
2062                                                 // someones playing silly buggers and trying
2063                                                 // to put a +- or -+ into the line...
2064                                                 i++;
2065                                         }
2066                                 }
2067                                 if (i == strlen(outpars)-1)
2068                                 {
2069                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
2070                                         {
2071                                                 i++;
2072                                         }
2073                                 }
2074                         }
2075
2076                         z = strlen(b)-1;
2077                         if ((b[z] == '-') || (b[z] == '+'))
2078                                 b[z] = '\0';
2079
2080
2081                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
2082                                 return;
2083
2084                         if (strcmp(b,""))
2085                         {
2086                                 WriteTo(user,dest,"MODE %s :%s",dest->nick,b);
2087                                 FOREACH_MOD OnMode(user, dest, TYPE_USER, b);
2088                         }
2089
2090                         if (strlen(dmodes)>MAXMODES)
2091                         {
2092                                 dmodes[MAXMODES-1] = '\0';
2093                         }
2094                         log(DEBUG,"Stripped mode line");
2095                         log(DEBUG,"Line dest is now %s",dmodes);
2096                         strlcpy(dest->modes,dmodes,MAXMODES);
2097                 }
2098
2099                 return;
2100         }
2101
2102         Ptr = FindChan(parameters[0]);
2103         if (Ptr)
2104         {
2105                 log(DEBUG,"merge_mode2: found channel %s",Ptr->name);
2106                 if (Ptr)
2107                 {
2108                         //if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server)))
2109                         //{
2110                         //      return;
2111                         //}
2112                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
2113                 }
2114         }
2115 }
2116
2117