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 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "commands.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54
  55 using namespace std;
  56
  57 extern int MODCOUNT;
  58 extern std::vector<Module*> modules;
  59 extern std::vector<ircd_module*> factory;
  60 extern std::vector<std::string> module_names;
  61
  62
  63 extern int LogLevel;
  64 extern char ServerName[MAXBUF];
  65 extern char Network[MAXBUF];
  66 extern char ServerDesc[MAXBUF];
  67 extern char AdminName[MAXBUF];
  68 extern char AdminEmail[MAXBUF];
  69 extern char AdminNick[MAXBUF];
  70 extern char diepass[MAXBUF];
  71 extern char restartpass[MAXBUF];
  72 extern char motd[MAXBUF];
  73 extern char rules[MAXBUF];
  74 extern char list[MAXBUF];
  75 extern char PrefixQuit[MAXBUF];
  76 extern char DieValue[MAXBUF];
  77
  78 extern bool AllowHalfop;
  79 extern bool AllowProtect;
  80 extern bool AllowFounder;
  81
  82 extern time_t TIME;
  83
  84 char* give_ops(userrec *user,char *dest,chanrec *chan,int status)
  85 {
  86         userrec *d;
  87
  88         if ((!user) || (!dest) || (!chan))
  89         {
  90                 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
  91                 return NULL;
  92         }
  93
  94         if (!isnick(dest))
  95         {
  96                 log(DEFAULT,"the target nickname given to give_ops was invalid");
  97                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
  98                 return NULL;
  99         }
 100         d = Find(dest);
 101         if (!d)
 102         {
 103                 log(DEFAULT,"the target nickname given to give_ops couldnt be found");
 104                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 105                 return NULL;
 106         }
 107         else
 108         {
 109
 110                 int MOD_RESULT = 0;
 111                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_OP));
 112
 113                 if (MOD_RESULT == ACR_DENY)
 114                         return NULL;
 115                 if (MOD_RESULT == ACR_DEFAULT)
 116                 {
 117                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 118                         {
 119                                 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
 120                                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 121                                 return NULL;
 122                         }
 123                 }
 124
 125
 126                 for (int i = 0; i != MAXCHANS; i++)
 127                 {
 128                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 129                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 130                         {
 131                         if (d->chans[i].uc_modes & UCMODE_OP)
 132                                 {
 133                                         /* mode already set on user, dont allow multiple */
 134                                         log(DEFAULT,"The target user given to give_ops was already opped on the channel");
 135                                         return NULL;
 136                                 }
 137                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
 138                                 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
 139                                 return d->nick;
 140                         }
 141                 }
 142                 log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
 143         }
 144         return NULL;
 145 }
 146
 147 char* give_hops(userrec *user,char *dest,chanrec *chan,int status)
 148 {
 149         userrec *d;
 150
 151         if ((!user) || (!dest) || (!chan))
 152         {
 153                 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
 154                 return NULL;
 155         }
 156
 157         d = Find(dest);
 158         if (!isnick(dest))
 159         {
 160                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 161                 return NULL;
 162         }
 163         if (!d)
 164         {
 165                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 166                 return NULL;
 167         }
 168         else
 169         {
 170                 int MOD_RESULT = 0;
 171                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_HALFOP));
 172
 173                 if (MOD_RESULT == ACR_DENY)
 174                         return NULL;
 175                 if (MOD_RESULT == ACR_DEFAULT)
 176                 {
 177                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 178                         {
 179                                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 180                                 return NULL;
 181                         }
 182                 }
 183
 184                 for (int i = 0; i != MAXCHANS; i++)
 185                 {
 186                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 187                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 188                         {
 189                                 if (d->chans[i].uc_modes & UCMODE_HOP)
 190                                 {
 191                                         /* mode already set on user, dont allow multiple */
 192                                         return NULL;
 193                                 }
 194                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
 195                                 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
 196                                 return d->nick;
 197                         }
 198                 }
 199         }
 200         return NULL;
 201 }
 202
 203 char* give_voice(userrec *user,char *dest,chanrec *chan,int status)
 204 {
 205         userrec *d;
 206
 207         if ((!user) || (!dest) || (!chan))
 208         {
 209                 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
 210                 return NULL;
 211         }
 212
 213         d = Find(dest);
 214         if (!isnick(dest))
 215         {
 216                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 217                 return NULL;
 218         }
 219         if (!d)
 220         {
 221                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 222                 return NULL;
 223         }
 224         else
 225         {
 226                 int MOD_RESULT = 0;
 227                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_VOICE));
 228
 229                 if (MOD_RESULT == ACR_DENY)
 230                         return NULL;
 231                 if (MOD_RESULT == ACR_DEFAULT)
 232                 {
 233                         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 234                         {
 235                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 236                                 return NULL;
 237                         }
 238                 }
 239
 240                 for (int i = 0; i != MAXCHANS; i++)
 241                 {
 242                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 243                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 244                         {
 245                                 if (d->chans[i].uc_modes & UCMODE_VOICE)
 246                                 {
 247                                         /* mode already set on user, dont allow multiple */
 248                                         return NULL;
 249                                 }
 250                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
 251                                 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
 252                                 return d->nick;
 253                         }
 254                 }
 255         }
 256         return NULL;
 257 }
 258
 259 char* take_ops(userrec *user,char *dest,chanrec *chan,int status)
 260 {
 261         userrec *d;
 262
 263         if ((!user) || (!dest) || (!chan))
 264         {
 265                 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
 266                 return NULL;
 267         }
 268
 269         d = Find(dest);
 270         if (!isnick(dest))
 271         {
 272                 log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
 273                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 274                 return NULL;
 275         }
 276         if (!d)
 277         {
 278                 log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
 279                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 280                 return NULL;
 281         }
 282         else
 283         {
 284                 int MOD_RESULT = 0;
 285                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEOP));
 286
 287                 if (MOD_RESULT == ACR_DENY)
 288                         return NULL;
 289                 if (MOD_RESULT == ACR_DEFAULT)
 290                 {
 291                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 292                         {
 293                                 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
 294                                 return NULL;
 295                         }
 296                 }
 297
 298                 for (int i = 0; i != MAXCHANS; i++)
 299                 {
 300                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 301                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 302                         {
 303                                 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
 304                                 {
 305                                         /* mode already set on user, dont allow multiple */
 306                                         return NULL;
 307                                 }
 308                                 d->chans[i].uc_modes ^= UCMODE_OP;
 309                                 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
 310                                 return d->nick;
 311                         }
 312                 }
 313                 log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
 314         }
 315         return NULL;
 316 }
 317
 318 char* take_hops(userrec *user,char *dest,chanrec *chan,int status)
 319 {
 320         userrec *d;
 321
 322         if ((!user) || (!dest) || (!chan))
 323         {
 324                 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
 325                 return NULL;
 326         }
 327
 328         d = Find(dest);
 329         if (!isnick(dest))
 330         {
 331                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 332                 return NULL;
 333         }
 334         if (!d)
 335         {
 336                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 337                 return NULL;
 338         }
 339         else
 340         {
 341                 int MOD_RESULT = 0;
 342                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEHALFOP));
 343
 344                 if (MOD_RESULT == ACR_DENY)
 345                         return NULL;
 346                 if (MOD_RESULT == ACR_DEFAULT)
 347                 {
 348                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 349                         {
 350                                 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
 351                                 return NULL;
 352                         }
 353                 }
 354
 355                 for (int i = 0; i != MAXCHANS; i++)
 356                 {
 357                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 358                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 359                         {
 360                                 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
 361                                 {
 362                                         /* mode already set on user, dont allow multiple */
 363                                         return NULL;
 364                                 }
 365                                 d->chans[i].uc_modes ^= UCMODE_HOP;
 366                                 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
 367                                 return d->nick;
 368                         }
 369                 }
 370         }
 371         return NULL;
 372 }
 373
 374 char* take_voice(userrec *user,char *dest,chanrec *chan,int status)
 375 {
 376         userrec *d;
 377
 378         if ((!user) || (!dest) || (!chan))
 379         {
 380                 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
 381                 return NULL;
 382         }
 383
 384         d = Find(dest);
 385         if (!isnick(dest))
 386         {
 387                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 388                 return NULL;
 389         }
 390         if (!d)
 391         {
 392                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 393                 return NULL;
 394         }
 395         else
 396         {
 397                 int MOD_RESULT = 0;
 398                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEVOICE));
 399
 400                 if (MOD_RESULT == ACR_DENY)
 401                         return NULL;
 402                 if (MOD_RESULT == ACR_DEFAULT)
 403                 {
 404                         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 405                         {
 406                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 407                                 return NULL;
 408                         }
 409                 }
 410
 411                 for (int i = 0; i != MAXCHANS; i++)
 412                 {
 413                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 414                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 415                         {
 416                                 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
 417                                 {
 418                                         /* mode already set on user, dont allow multiple */
 419                                         return NULL;
 420                                 }
 421                                 d->chans[i].uc_modes ^= UCMODE_VOICE;
 422                                 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
 423                                 return d->nick;
 424                         }
 425                 }
 426         }
 427         return NULL;
 428 }
 429
 430 char* add_ban(userrec *user,char *dest,chanrec *chan,int status)
 431 {
 432         if ((!user) || (!dest) || (!chan)) {
 433                 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
 434                 return NULL;
 435         }
 436
 437         BanItem b;
 438         if ((!user) || (!dest) || (!chan))
 439                 return NULL;
 440         int l = strlen(dest);
 441         if (strchr(dest,'!')==0)
 442                 return NULL;
 443         if (strchr(dest,'@')==0)
 444                 return NULL;
 445         for (int i = 0; i < l; i++)
 446                 if (dest[i] < 32)
 447                         return NULL;
 448         for (int i = 0; i < l; i++)
 449                 if (dest[i] > 126)
 450                         return NULL;
 451         int c = 0;
 452         for (int i = 0; i < l; i++)
 453                 if (dest[i] == '!')
 454                         c++;
 455         if (c>1)
 456                 return NULL;
 457         c = 0;
 458         for (int i = 0; i < l; i++)
 459                 if (dest[i] == '@')
 460                         c++;
 461         if (c>1)
 462                 return NULL;
 463
 464         long maxbans = GetMaxBans(chan->name);
 465         if (chan->bans.size() > maxbans)
 466         {
 467                 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);
 468                 return NULL;
 469         }
 470
 471         log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
 472
 473         int MOD_RESULT = 0;
 474         FOREACH_RESULT(OnAddBan(user,chan,dest));
 475         if (MOD_RESULT)
 476                 return NULL;
 477
 478         TidyBan(dest);
 479         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 480         {
 481                 if (!strcasecmp(i->data,dest))
 482                 {
 483                         // dont allow a user to set the same ban twice
 484                         return NULL;
 485                 }
 486         }
 487
 488         b.set_time = TIME;
 489         strncpy(b.data,dest,MAXBUF);
 490         strncpy(b.set_by,user->nick,NICKMAX);
 491         chan->bans.push_back(b);
 492         return dest;
 493 }
 494
 495 char* take_ban(userrec *user,char *dest,chanrec *chan,int status)
 496 {
 497         if ((!user) || (!dest) || (!chan)) {
 498                 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
 499                 return 0;
 500         }
 501
 502         log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
 503         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 504         {
 505                 if (!strcasecmp(i->data,dest))
 506                 {
 507                         int MOD_RESULT = 0;
 508                         FOREACH_RESULT(OnDelBan(user,chan,dest));
 509                         if (MOD_RESULT)
 510                                 return NULL;
 511                         chan->bans.erase(i);
 512                         return dest;
 513                 }
 514         }
 515         return NULL;
 516 }
 517
 518 // tidies up redundant modes, e.g. +nt-nt+i becomes +-+i,
 519 // a section further down the chain tidies up the +-+- crap.
 520 std::string compress_modes(std::string modes,bool channelmodes)
 521 {
 522         int counts[127];
 523         bool active[127];
 524         int delta = 1;
 525         memset(counts,0,sizeof(counts));
 526         memset(active,0,sizeof(active));
 527         log(DEBUG,"compress_modes: %s",modes.c_str());
 528         for (int i = 0; i < modes.length(); i++)
 529         {
 530                 if ((modes[i] == '+') || (modes[i] == '-'))
 531                         continue;
 532                 if (channelmodes)
 533                 {
 534                         if ((strchr("itnmsp",modes[i])) || ((ModeDefined(modes[i],MT_CHANNEL)) && (ModeDefinedOn(modes[i],MT_CHANNEL)==0) && (ModeDefinedOff(modes[i],MT_CHANNEL)==0)))
 535                         {
 536                                 log(DEBUG,"Tidy mode %c",modes[i]);
 537                                 counts[(unsigned int)modes[i]]++;
 538                                 active[(unsigned int)modes[i]] = true;
 539                         }
 540                 }
 541                 else
 542                 {
 543                         log(DEBUG,"Tidy mode %c",modes[i]);
 544                         counts[(unsigned int)modes[i]]++;
 545                         active[(unsigned int)modes[i]] = true;
 546                 }
 547         }
 548         for (int j = 65; j < 127; j++)
 549         {
 550                 if ((counts[j] > 1) && (active[j] == true))
 551                 {
 552                         static char v[2];
 553                         v[0] = (unsigned char)j;
 554                         v[1] = '\0';
 555                         std::string::size_type pos = modes.find(std::string(v));
 556                         if (pos != std::string::npos)
 557                         {
 558                                 log(DEBUG,"all occurances of mode %c to be deleted...",(unsigned char)j);
 559                                 while (modes.find(std::string(v)) != std::string::npos)
 560                                         modes.erase(modes.find(std::string(v)),1);
 561                                 log(DEBUG,"New mode line: %s",modes.c_str());
 562                         }
 563                 }
 564         }
 565         return modes;
 566 }
 567
 568 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
 569 {
 570         if (!parameters) {
 571                 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
 572                 return;
 573         }
 574
 575         char modelist[MAXBUF];
 576         char outlist[MAXBUF];
 577         char outstr[MAXBUF];
 578         char outpars[32][MAXBUF];
 579         int param = 2;
 580         int pc = 0;
 581         int ptr = 0;
 582         int mdir = 1;
 583         char* r = NULL;
 584         bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
 585
 586         if (pcnt < 2)
 587         {
 588                 return;
 589         }
 590
 591         int MOD_RESULT = 0;
 592         FOREACH_RESULT(OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
 593
 594         if (MOD_RESULT == ACR_DENY)
 595                 return;
 596
 597         log(DEBUG,"process_modes: start: parameters=%d",pcnt);
 598
 599         strlcpy(modelist,parameters[1],MAXBUF); /* mode list, e.g. +oo-o *
 600                                                  * parameters[2] onwards are parameters for
 601                                                  * modes that require them :) */
 602         strlcpy(outlist,"+",MAXBUF);
 603         mdir = 1;
 604
 605         log(DEBUG,"process_modes: modelist: %s",modelist);
 606
 607         std::string tidied = compress_modes(modelist,true);
 608         strlcpy(modelist,tidied.c_str(),MAXBUF);
 609
 610         int len = strlen(modelist);
 611         while (modelist[len-1] == ' ')
 612                 modelist[--len] = '\0';
 613         for (ptr = 0; ptr < len; ptr++)
 614         {
 615                 r = NULL;
 616
 617                 {
 618                         log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
 619
 620                         char modechar = modelist[ptr];
 621                         switch (modelist[ptr])
 622                         {
 623                                 case '-':
 624                                         if (mdir != 0)
 625                                         {
 626                                                 int t = strlen(outlist)-1;
 627                                                 if ((outlist[t] == '+') || (outlist[t] == '-'))
 628                                                 {
 629                                                         outlist[t] = '-';
 630                                                 }
 631                                                 else
 632                                                 {
 633                                                         strcat(outlist,"-");
 634                                                 }
 635                                         }
 636                                         mdir = 0;
 637
 638                                 break;
 639
 640                                 case '+':
 641                                         if (mdir != 1)
 642                                         {
 643                                                 int t = strlen(outlist)-1;
 644                                                 if ((outlist[t] == '+') || (outlist[t] == '-'))
 645                                                 {
 646                                                         outlist[t] = '+';
 647                                                 }
 648                                                 else
 649                                                 {
 650                                                         strcat(outlist,"+");
 651                                                 }
 652                                         }
 653                                         mdir = 1;
 654                                 break;
 655
 656                                 case 'o':
 657                                         log(DEBUG,"Ops");
 658                                         if ((param >= pcnt)) break;
 659                                         log(DEBUG,"Enough parameters left");
 660                                         if (mdir == 1)
 661                                         {
 662                                                 MOD_RESULT = 0;
 663                                                 FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], true, 1));
 664                                                 if (!MOD_RESULT)
 665                                                 {
 666                                                         log(DEBUG,"calling give_ops");
 667                                                         r = give_ops(user,parameters[param++],chan,status);
 668                                                 }
 669                                                 else param++;
 670                                         }
 671                                         else
 672                                         {
 673                                                 MOD_RESULT = 0;
 674                                                 FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], false, 1));
 675                                                 if (!MOD_RESULT)
 676                                                 {
 677                                                         log(DEBUG,"calling take_ops");
 678                                                         r = take_ops(user,parameters[param++],chan,status);
 679                                                 }
 680                                                 else param++;
 681                                         }
 682                                         if (r)
 683                                         {
 684                                                 strlcat(outlist,"o",MAXBUF);
 685                                                 strlcpy(outpars[pc++],r,MAXBUF);
 686                                         }
 687                                 break;
 688
 689                                 case 'h':
 690                                         if (((param >= pcnt)) || (!AllowHalfop)) break;
 691                                         if (mdir == 1)
 692                                         {
 693                                                 MOD_RESULT = 0;
 694                                                 FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], true, 1));
 695                                                 if (!MOD_RESULT)
 696                                                 {
 697                                                         r = give_hops(user,parameters[param++],chan,status);
 698                                                 }
 699                                                 else param++;
 700                                         }
 701                                         else
 702                                         {
 703                                                 MOD_RESULT = 0;
 704                                                 FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], false, 1));
 705                                                 if (!MOD_RESULT)
 706                                                 {
 707                                                         r = take_hops(user,parameters[param++],chan,status);
 708                                                 }
 709                                                 else param++;
 710                                         }
 711                                         if (r)
 712                                         {
 713                                                 strlcat(outlist,"h",MAXBUF);
 714                                                 strlcpy(outpars[pc++],r,MAXBUF);
 715                                         }
 716                                 break;
 717
 718
 719                                 case 'v':
 720                                         if ((param >= pcnt)) break;
 721                                         if (mdir == 1)
 722                                         {
 723                                                 MOD_RESULT = 0;
 724                                                 FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], true, 1));
 725                                                 if (!MOD_RESULT)
 726                                                 {
 727                                                         r = give_voice(user,parameters[param++],chan,status);
 728                                                 }
 729                                                 else param++;
 730                                         }
 731                                         else
 732                                         {
 733                                                 MOD_RESULT = 0;
 734                                                 FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], false, 1));
 735                                                 if (!MOD_RESULT)
 736                                                 {
 737                                                         r = take_voice(user,parameters[param++],chan,status);
 738                                                 }
 739                                                 else param++;
 740                                         }
 741                                         if (r)
 742                                         {
 743                                                 strlcat(outlist,"v",MAXBUF);
 744                                                 strlcpy(outpars[pc++],r,MAXBUF);
 745                                         }
 746                                 break;
 747
 748                                 case 'b':
 749                                         if ((param >= pcnt)) break;
 750                                         if (mdir == 1)
 751                                         {
 752                                                 MOD_RESULT = 0;
 753                                                 FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], true, 1));
 754                                                 if (!MOD_RESULT)
 755                                                 {
 756                                                         r = add_ban(user,parameters[param++],chan,status);
 757                                                 }
 758                                                 else param++;
 759                                         }
 760                                         else
 761                                         {
 762                                                 MOD_RESULT = 0;
 763                                                 FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], false, 1));
 764                                                 if (!MOD_RESULT)
 765                                                 {
 766                                                         r = take_ban(user,parameters[param++],chan,status);
 767                                                 }
 768                                                 else param++;
 769                                         }
 770                                         if (r)
 771                                         {
 772                                                 strlcat(outlist,"b",MAXBUF);
 773                                                 strlcpy(outpars[pc++],parameters[param-1],MAXBUF);
 774                                         }
 775                                 break;
 776
 777
 778                                 case 'k':
 779                                         if ((param >= pcnt))
 780                                                 break;
 781
 782                                         if (mdir == 1)
 783                                         {
 784                                                 if (k_set)
 785                                                         break;
 786
 787                                                 if (previously_unset_k)
 788                                                         break;
 789                                                 previously_set_k = true;
 790
 791                                                 if (!strcmp(chan->key,""))
 792                                                 {
 793                                                         MOD_RESULT = 0;
 794                                                         FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], true, 1));
 795                                                         if (!MOD_RESULT)
 796                                                         {
 797                                                                 strcat(outlist,"k");
 798                                                                 char key[MAXBUF];
 799                                                                 strlcpy(key,parameters[param++],32);
 800                                                                 strlcpy(outpars[pc++],key,MAXBUF);
 801                                                                 strlcpy(chan->key,key,MAXBUF);
 802                                                                 k_set = true;
 803                                                         }
 804                                                         else param++;
 805                                                 }
 806                                         }
 807                                         else
 808                                         {
 809                                                 /* checks on -k are case sensitive and only accurate to the
 810                                                    first 32 characters */
 811                                                 if (previously_set_k)
 812                                                         break;
 813                                                 previously_unset_k = true;
 814
 815                                                 char key[MAXBUF];
 816                                                 MOD_RESULT = 0;
 817                                                 FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], false, 1));
 818                                                 if (!MOD_RESULT)
 819                                                 {
 820                                                         strlcpy(key,parameters[param++],32);
 821                                                         /* only allow -k if correct key given */
 822                                                         if (!strcmp(chan->key,key))
 823                                                         {
 824                                                                 strlcat(outlist,"k",MAXBUF);
 825                                                                 strlcpy(chan->key,"",MAXBUF);
 826                                                                 strlcpy(outpars[pc++],key,MAXBUF);
 827                                                         }
 828                                                 }
 829                                                 else param++;
 830                                         }
 831                                 break;
 832
 833                                 case 'l':
 834                                         if (mdir == 0)
 835                                         {
 836                                                 if (previously_set_l)
 837                                                         break;
 838                                                 previously_unset_l = true;
 839                                                 MOD_RESULT = 0;
 840                                                 FOREACH_RESULT(OnRawMode(user, chan, 'l', "", false, 0));
 841                                                 if (!MOD_RESULT)
 842                                                 {
 843                                                         if (chan->limit)
 844                                                         {
 845                                                                 strcat(outlist,"l");
 846                                                                 chan->limit = 0;
 847                                                         }
 848                                                 }
 849                                         }
 850
 851                                         if ((param >= pcnt)) break;
 852                                         if (mdir == 1)
 853                                         {
 854                                                 if (l_set)
 855                                                         break;
 856                                                 if (previously_unset_l)
 857                                                         break;
 858                                                 previously_set_l = true;
 859                                                 bool invalid = false;
 860                                                 for (int i = 0; i < strlen(parameters[param]); i++)
 861                                                 {
 862                                                         if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
 863                                                         {
 864                                                                 invalid = true;
 865                                                         }
 866                                                 }
 867                                                 if (atoi(parameters[param]) < 1)
 868                                                 {
 869                                                         invalid = true;
 870                                                 }
 871
 872                                                 if (invalid)
 873                                                         break;
 874
 875                                                 MOD_RESULT = 0;
 876                                                 FOREACH_RESULT(OnRawMode(user, chan, 'l', parameters[param], true, 1));
 877                                                 if (!MOD_RESULT)
 878                                                 {
 879
 880                                                         chan->limit = atoi(parameters[param]);
 881
 882                                                         // reported by mech: large values cause underflow
 883                                                         if (chan->limit < 0)
 884                                                                 chan->limit = 0x7FFFFF;
 885                                                 }
 886
 887                                                 if (chan->limit)
 888                                                 {
 889                                                         strlcat(outlist,"l",MAXBUF);
 890                                                         strlcpy(outpars[pc++],parameters[param++],MAXBUF);
 891                                                         l_set = true;
 892                                                 }
 893                                         }
 894                                 break;
 895
 896                                 case 'i':
 897                                         MOD_RESULT = 0;
 898                                         FOREACH_RESULT(OnRawMode(user, chan, 'i', "", mdir, 0));
 899                                         if (!MOD_RESULT)
 900                                         {
 901                                                 if (chan->inviteonly != mdir)
 902                                                 {
 903                                                         strlcat(outlist,"i",MAXBUF);
 904                                                 }
 905                                                 chan->inviteonly = mdir;
 906                                         }
 907                                 break;
 908
 909                                 case 't':
 910                                         MOD_RESULT = 0;
 911                                         FOREACH_RESULT(OnRawMode(user, chan, 't', "", mdir, 0));
 912                                         if (!MOD_RESULT)
 913                                         {
 914                                                 if (chan->topiclock != mdir)
 915                                                 {
 916                                                         strlcat(outlist,"t",MAXBUF);
 917                                                 }
 918                                                 chan->topiclock = mdir;
 919                                         }
 920                                 break;
 921
 922                                 case 'n':
 923                                         MOD_RESULT = 0;
 924                                         FOREACH_RESULT(OnRawMode(user, chan, 'n', "", mdir, 0));
 925                                         if (!MOD_RESULT)
 926                                         {
 927                                                 if (chan->noexternal != mdir)
 928                                                 {
 929                                                         strlcat(outlist,"n",MAXBUF);
 930                                                 }
 931                                                 chan->noexternal = mdir;
 932                                         }
 933                                 break;
 934
 935                                 case 'm':
 936                                         MOD_RESULT = 0;
 937                                         FOREACH_RESULT(OnRawMode(user, chan, 'm', "", mdir, 0));
 938                                         if (!MOD_RESULT)
 939                                         {
 940                                                 if (chan->moderated != mdir)
 941                                                 {
 942                                                         strlcat(outlist,"m",MAXBUF);
 943                                                 }
 944                                                 chan->moderated = mdir;
 945                                         }
 946                                 break;
 947
 948                                 case 's':
 949                                         MOD_RESULT = 0;
 950                                         FOREACH_RESULT(OnRawMode(user, chan, 's', "", mdir, 0));
 951                                         if (!MOD_RESULT)
 952                                         {
 953                                                 if (chan->secret != mdir)
 954                                                 {
 955                                                         strcat(outlist,"s");
 956                                                         if (chan->c_private)
 957                                                         {
 958                                                                 chan->c_private = 0;
 959                                                                 if (mdir)
 960                                                                 {
 961                                                                         strlcat(outlist,"-p+",MAXBUF);
 962                                                                 }
 963                                                                 else
 964                                                                 {
 965                                                                         strlcat(outlist,"+p-",MAXBUF);
 966                                                                 }
 967                                                         }
 968                                                 }
 969                                                 chan->secret = mdir;
 970                                         }
 971                                 break;
 972
 973                                 case 'p':
 974                                         MOD_RESULT = 0;
 975                                         FOREACH_RESULT(OnRawMode(user, chan, 'p', "", mdir, 0));
 976                                         if (!MOD_RESULT)
 977                                         {
 978                                                 if (chan->c_private != mdir)
 979                                                 {
 980                                                         strlcat(outlist,"p",MAXBUF);
 981                                                         if (chan->secret)
 982                                                         {
 983                                                                 chan->secret = 0;
 984                                                                 if (mdir)
 985                                                                 {
 986                                                                         strlcat(outlist,"-s+",MAXBUF);
 987                                                                 }
 988                                                                 else
 989                                                                 {
 990                                                                         strlcat(outlist,"+s-",MAXBUF);
 991                                                                 }
 992                                                         }
 993                                                 }
 994                                                 chan->c_private = mdir;
 995                                         }
 996                                 break;
 997
 998                                 default:
 999                                         log(DEBUG,"Preprocessing custom mode %c: modelist: %s",modechar,chan->custom_modes);
1000                                         string_list p;
1001                                         p.clear();
1002                                         if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
1003                                         {
1004                                                 if (!ModeIsListMode(modechar,MT_CHANNEL))
1005                                                 {
1006                                                         log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
1007                                                         break;
1008                                                 }
1009                                         }
1010                                         if (ModeDefined(modechar,MT_CHANNEL))
1011                                         {
1012                                                 log(DEBUG,"A module has claimed this mode");
1013                                                 if (param<pcnt)
1014                                                 {
1015                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
1016                                                         {
1017                                                                 p.push_back(parameters[param]);
1018                                                         }
1019                                                         if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
1020                                                         {
1021                                                                 p.push_back(parameters[param]);
1022                                                         }
1023                                                 }
1024                                                 bool handled = false;
1025                                                 if (param>=pcnt)
1026                                                 {
1027                                                         // we're supposed to have a parameter, but none was given... so dont handle the mode.
1028                                                         if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
1029                                                         {
1030                                                                 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
1031                                                                 handled = true;
1032                                                                 param++;
1033                                                         }
1034                                                 }
1035
1036                                                 // BIG ASS IDIOTIC CODER WARNING!
1037                                                 // Using OnRawMode on another modules mode's behavour
1038                                                 // will confuse the crap out of admins! just because you CAN
1039                                                 // do it, doesnt mean you SHOULD!
1040                                                 MOD_RESULT = 0;
1041                                                 std::string para = "";
1042                                                 if (p.size())
1043                                                         para = p[0];
1044                                                 FOREACH_RESULT(OnRawMode(user, chan, modechar, para, mdir, pcnt));
1045                                                 if (!MOD_RESULT)
1046                                                 {
1047                                                         for (int i = 0; i <= MODCOUNT; i++)
1048                                                         {
1049                                                                 if (!handled)
1050                                                                 {
1051                                                                         int t = modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p);
1052                                                                         if (t != 0)
1053                                                                         {
1054                                                                                 log(DEBUG,"OnExtendedMode returned nonzero for a module");
1055                                                                                 char app[] = {modechar, 0};
1056                                                                                 if (ModeIsListMode(modechar,MT_CHANNEL))
1057                                                                                 {
1058                                                                                         if (t == -1)
1059                                                                                         {
1060                                                                                                 pc++;
1061                                                                                         }
1062                                                                                         else
1063                                                                                         {
1064                                                                                                 if (ptr>0)
1065                                                                                                 {
1066                                                                                                         strlcat(outlist, app,MAXBUF);
1067                                                                                                 }
1068                                                                                                 strlcpy(outpars[pc++],parameters[param++],MAXBUF);
1069                                                                                         }
1070                                                                                 }
1071                                                                                 else
1072                                                                                 {
1073                                                                                         if (ptr>0)
1074                                                                                         {
1075                                                                                                 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
1076                                                                                                 {
1077                                                                                                         strlcat(outlist, app,MAXBUF);
1078                                                                                                 }
1079                                                                                                 else if (!strchr(outlist,modechar))
1080                                                                                                 {
1081                                                                                                         strlcat(outlist, app,MAXBUF);
1082                                                                                                 }
1083                                                                                         }
1084                                                                                         chan->SetCustomMode(modechar,mdir);
1085                                                                                         // include parameters in output if mode has them
1086                                                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
1087                                                                                         {
1088                                                                                                 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
1089                                                                                                 strlcpy(outpars[pc++],parameters[param++],MAXBUF);
1090                                                                                         }
1091                                                                                 }
1092                                                                                 // break, because only one module can handle the mode.
1093                                                                                 handled = true;
1094                                                                         }
1095                                                                 }
1096                                                         }
1097                                                 }
1098                                         }
1099                                         else
1100                                         {
1101                                                 WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,modechar);
1102                                         }
1103                                 break;
1104
1105                         }
1106                 }
1107         }
1108
1109         /* this ensures only the *valid* modes are sent out onto the network */
1110         int xt = strlen(outlist)-1;
1111         while ((outlist[xt] == '-') || (outlist[xt] == '+'))
1112         {
1113                 outlist[xt] = '\0';
1114                 xt = strlen(outlist)-1;
1115         }
1116         if (outlist[0])
1117         {
1118                 strlcpy(outstr,outlist,MAXBUF);
1119                 for (ptr = 0; ptr < pc; ptr++)
1120                 {
1121                         strlcat(outstr," ",MAXBUF);
1122                         strlcat(outstr,outpars[ptr],MAXBUF);
1123                 }
1124                 if (local)
1125                 {
1126                         log(DEBUG,"Local mode change");
1127                         WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
1128                 }
1129                 else
1130                 {
1131                         if (servermode)
1132                         {
1133                                 if (!silent)
1134                                 {
1135                                         WriteChannelWithServ(ServerName,chan,"MODE %s %s",chan->name,outstr);
1136                                         // M token for a usermode must go to all servers
1137                                         char buffer[MAXBUF];
1138                                         snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
1139                                         NetSendToAll(buffer);
1140                                 }
1141
1142                         }
1143                         else
1144                         {
1145                                 if (!silent)
1146                                 {
1147                                         WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
1148                                         // M token for a usermode must go to all servers
1149                                         char buffer[MAXBUF];
1150                                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
1151                                         NetSendToAll(buffer);
1152                                 }
1153                         }
1154                 }
1155         }
1156 }
1157
1158 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
1159
1160 bool allowed_umode(char umode, char* sourcemodes,bool adding)
1161 {
1162         log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
1163         // RFC1459 specified modes
1164         if ((umode == 'w') || (umode == 's') || (umode == 'i'))
1165         {
1166                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1167                 return true;
1168         }
1169
1170         // user may not +o themselves or others, but an oper may de-oper other opers or themselves
1171         if ((strchr(sourcemodes,'o')) && (!adding))
1172         {
1173                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1174                 return true;
1175         }
1176         else if (umode == 'o')
1177         {
1178                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1179                 return false;
1180         }
1181
1182         // process any module-defined modes that need oper
1183         if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
1184         {
1185                 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
1186                 return true;
1187         }
1188         else
1189         if (ModeDefined(umode,MT_CLIENT))
1190         {
1191                 // process any module-defined modes that don't need oper
1192                 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
1193                 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
1194                 {
1195                         // no, this mode needs oper, and this user 'aint got what it takes!
1196                         return false;
1197                 }
1198                 return true;
1199         }
1200
1201         // anything else - return false.
1202         log(DEBUG,"umode %c not known by any ruleset",umode);
1203         return false;
1204 }
1205
1206 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
1207 {
1208         userrec* s2;
1209         bool faked = false;
1210         if (!source)
1211         {
1212                 s2 = new userrec;
1213                 strlcpy(s2->nick,ServerName,NICKMAX);
1214                 strcpy(s2->modes,"o");
1215                 s2->fd = -1;
1216                 source = s2;
1217                 faked = true;
1218         }
1219         string_list p;
1220         p.clear();
1221         if (ModeDefined(umode,MT_CLIENT))
1222         {
1223                 for (int i = 0; i <= MODCOUNT; i++)
1224                 {
1225                         if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
1226                         {
1227                                 log(DEBUG,"Module %s claims umode %c",module_names[i].c_str(),umode);
1228                                 return true;
1229                         }
1230                 }
1231                 log(DEBUG,"No module claims umode %c",umode);
1232                 if (faked)
1233                 {
1234                         delete s2;
1235                         source = NULL;
1236                 }
1237                 return false;
1238         }
1239         else
1240         {
1241                 if (faked)
1242                 {
1243                         delete s2;
1244                         source = NULL;
1245                 }
1246                 return false;
1247         }
1248 }
1249
1250 void handle_mode(char **parameters, int pcnt, userrec *user)
1251 {
1252         chanrec* Ptr;
1253         userrec* dest;
1254         int can_change;
1255         int direction = 1;
1256         char outpars[MAXBUF];
1257
1258         dest = Find(parameters[0]);
1259
1260         if (!user)
1261         {
1262                 return;
1263         }
1264
1265         if ((dest) && (pcnt == 1))
1266         {
1267                 WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
1268                 return;
1269         }
1270
1271         if ((dest) && (pcnt > 1))
1272         {
1273                 std::string tidied = compress_modes(parameters[1],false);
1274                 parameters[1] = (char*)tidied.c_str();
1275
1276                 char dmodes[MAXBUF];
1277                 strlcpy(dmodes,dest->modes,MAXBUF);
1278                 log(DEBUG,"pulled up dest user modes: %s",dmodes);
1279
1280                 can_change = 0;
1281                 if (user != dest)
1282                 {
1283                         if (strchr(user->modes,'o'))
1284                         {
1285                                 can_change = 1;
1286                         }
1287                 }
1288                 else
1289                 {
1290                         can_change = 1;
1291                 }
1292                 if (!can_change)
1293                 {
1294                         WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
1295                         return;
1296                 }
1297
1298                 strcpy(outpars,"+");
1299                 direction = 1;
1300
1301                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1302                         return;
1303
1304                 for (int i = 0; i < strlen(parameters[1]); i++)
1305                 {
1306                         if (parameters[1][i] == ' ')
1307                                 continue;
1308                         if (parameters[1][i] == '+')
1309                         {
1310                                 if (direction != 1)
1311                                 {
1312                                         int t = strlen(outpars)-1;
1313                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1314                                         {
1315                                                 outpars[t] = '+';
1316                                         }
1317                                         else
1318                                         {
1319                                                 strcat(outpars,"+");
1320                                         }
1321                                 }
1322                                 direction = 1;
1323                         }
1324                         else
1325                         if (parameters[1][i] == '-')
1326                         {
1327                                 if (direction != 0)
1328                                 {
1329                                         int t = strlen(outpars)-1;
1330                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1331                                         {
1332                                                 outpars[t] = '-';
1333                                         }
1334                                         else
1335                                         {
1336                                                 strcat(outpars,"-");
1337                                         }
1338                                 }
1339                                 direction = 0;
1340                         }
1341                         else
1342                         {
1343                                 can_change = 0;
1344                                 if (strchr(user->modes,'o'))
1345                                 {
1346                                         can_change = 1;
1347                                 }
1348                                 else
1349                                 {
1350                                         if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
1351                                         {
1352                                                 can_change = 1;
1353                                         }
1354                                 }
1355                                 if (can_change)
1356                                 {
1357                                         if (direction == 1)
1358                                         {
1359                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1360                                                 {
1361                                                         char umode = parameters[1][i];
1362                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1363                                                         {
1364                                                                 int q = strlen(dmodes);
1365                                                                 int r = strlen(outpars);
1366                                                                 dmodes[q+1]='\0';
1367                                                                 dmodes[q] = parameters[1][i];
1368                                                                 outpars[r+1]='\0';
1369                                                                 outpars[r] = parameters[1][i];
1370                                                                 if (parameters[1][i] == 'o')
1371                                                                 {
1372                                                                         FOREACH_MOD OnGlobalOper(dest);
1373                                                                 }
1374                                                         }
1375                                                 }
1376                                         }
1377                                         else
1378                                         {
1379                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1380                                                 {
1381                                                         char umode = parameters[1][i];
1382                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1383                                                         {
1384                                                                 int q = 0;
1385                                                                 char temp[MAXBUF];
1386                                                                 char moo[MAXBUF];
1387
1388                                                                 int r = strlen(outpars);
1389                                                                 outpars[r+1]='\0';
1390                                                                 outpars[r] = parameters[1][i];
1391
1392                                                                 strcpy(temp,"");
1393                                                                 for (q = 0; q < strlen(dmodes); q++)
1394                                                                 {
1395                                                                         if (dmodes[q] != parameters[1][i])
1396                                                                         {
1397                                                                                 moo[0] = dmodes[q];
1398                                                                                 moo[1] = '\0';
1399                                                                                 strlcat(temp,moo,MAXBUF);
1400                                                                         }
1401                                                                 }
1402                                                                 strlcpy(dmodes,temp,MAXBUF);
1403
1404                                                                 if (umode == 'o')
1405                                                                         DeleteOper(dest);
1406                                                         }
1407                                                 }
1408                                         }
1409                                 }
1410                         }
1411                 }
1412                 if (outpars[0])
1413                 {
1414                         char b[MAXBUF];
1415                         strlcpy(b,"",MAXBUF);
1416                         int z = 0;
1417                         int i = 0;
1418                         while (i < strlen (outpars))
1419                         {
1420                                 b[z++] = outpars[i++];
1421                                 b[z] = '\0';
1422                                 if (i<strlen(outpars)-1)
1423                                 {
1424                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1425                                         {
1426                                                 // someones playing silly buggers and trying
1427                                                 // to put a +- or -+ into the line...
1428                                                 i++;
1429                                         }
1430                                 }
1431                                 if (i == strlen(outpars)-1)
1432                                 {
1433                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1434                                         {
1435                                                 i++;
1436                                         }
1437                                 }
1438                         }
1439
1440                         z = strlen(b)-1;
1441                         if ((b[z] == '-') || (b[z] == '+'))
1442                                 b[z] = '\0';
1443
1444                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
1445                                 return;
1446
1447                         if (strcmp(b,""))
1448                         {
1449                                 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1450                                 // M token for a usermode must go to all servers
1451                                 char buffer[MAXBUF];
1452                                 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1453                                 NetSendToAll(buffer);
1454                         }
1455
1456                         if (strlen(dmodes)>MAXMODES)
1457                         {
1458                                 dmodes[MAXMODES-1] = '\0';
1459                         }
1460                         log(DEBUG,"Stripped mode line");
1461                         log(DEBUG,"Line dest is now %s",dmodes);
1462                         strlcpy(dest->modes,dmodes,MAXMODES);
1463
1464                 }
1465
1466                 return;
1467         }
1468
1469         Ptr = FindChan(parameters[0]);
1470         if (Ptr)
1471         {
1472                 if (pcnt == 1)
1473                 {
1474                         /* just /modes #channel */
1475                         WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
1476                         WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1477                         return;
1478                 }
1479                 else
1480                 if (pcnt == 2)
1481                 {
1482                         char* mode = parameters[1];
1483                         if (*mode == '+')
1484                                 mode++;
1485                         int MOD_RESULT = 0;
1486                         FOREACH_RESULT(OnRawMode(user, Ptr, *mode, "", false, 0));
1487                         if (!MOD_RESULT)
1488                         {
1489                                 if (*mode == 'b')
1490                                 {
1491
1492                                         for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1493                                         {
1494                                                 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
1495                                         }
1496                                         WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
1497                                         return;
1498                                 }
1499                                 if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
1500                                 {
1501                                         // list of items for an extmode
1502                                         log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
1503                                         FOREACH_MOD OnSendList(user,Ptr,*mode);
1504                                         return;
1505                                 }
1506                         }
1507                 }
1508
1509                 if ((Ptr) && (!has_channel(user,Ptr)))
1510                 {
1511                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
1512                         return;
1513                 }
1514
1515                 if (Ptr)
1516                 {
1517                         int MOD_RESULT = 0;
1518                         FOREACH_RESULT(OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE));
1519
1520                         if (MOD_RESULT == ACR_DENY)
1521                                 return;
1522                         if (MOD_RESULT == ACR_DEFAULT)
1523                         {
1524                                 if (cstatus(user,Ptr) < STATUS_HOP)
1525                                 {
1526                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
1527                                         return;
1528                                 }
1529                         }
1530
1531                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
1532                 }
1533         }
1534         else
1535         {
1536                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1537         }
1538 }
1539
1540
1541
1542
1543 void server_mode(char **parameters, int pcnt, userrec *user)
1544 {
1545         chanrec* Ptr;
1546         userrec* dest;
1547         int can_change;
1548         int direction = 1;
1549         char outpars[MAXBUF];
1550
1551         dest = Find(parameters[0]);
1552
1553         // fix: ChroNiCk found this - we cant use this as debug if its null!
1554         if (dest)
1555         {
1556                 log(DEBUG,"server_mode on %s",dest->nick);
1557         }
1558
1559         if ((dest) && (pcnt > 1))
1560         {
1561                 std::string tidied = compress_modes(parameters[1],false);
1562                 parameters[1] = (char*)tidied.c_str();
1563
1564                 char dmodes[MAXBUF];
1565                 strlcpy(dmodes,dest->modes,MAXBUF);
1566
1567                 strcpy(outpars,"+");
1568                 direction = 1;
1569
1570                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1571                         return;
1572
1573                 for (int i = 0; i < strlen(parameters[1]); i++)
1574                 {
1575                         if (parameters[1][i] == ' ')
1576                                 continue;
1577                         if (parameters[1][i] == '+')
1578                         {
1579                                 if (direction != 1)
1580                                 {
1581                                         int t = strlen(outpars)-1;
1582                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1583                                         {
1584                                                 outpars[t] = '+';
1585                                         }
1586                                         else
1587                                         {
1588                                                 strcat(outpars,"+");
1589                                         }
1590                                 }
1591                                 direction = 1;
1592                         }
1593                         else
1594                         if (parameters[1][i] == '-')
1595                         {
1596                                 if (direction != 0)
1597                                 {
1598                                         int t = strlen(outpars)-1;
1599                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1600                                         {
1601                                                 outpars[t] = '-';
1602                                         }
1603                                         else
1604                                         {
1605                                                 strcat(outpars,"-");
1606                                         }
1607                                 }
1608                                 direction = 0;
1609                         }
1610                         else
1611                         {
1612                                 log(DEBUG,"begin mode processing entry");
1613                                 can_change = 1;
1614                                 if (can_change)
1615                                 {
1616                                         if (direction == 1)
1617                                         {
1618                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1619                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1620                                                 {
1621                                                         char umode = parameters[1][i];
1622                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1623                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1624                                                         {
1625                                                                 int v1 = strlen(dmodes);
1626                                                                 int v2 = strlen(outpars);
1627                                                                 dmodes[v1+1]='\0';
1628                                                                 dmodes[v1] = parameters[1][i];
1629                                                                 outpars[v2+1]='\0';
1630                                                                 outpars[v2] = parameters[1][i];
1631                                                         }
1632                                                 }
1633                                         }
1634                                         else
1635                                         {
1636                                                 // can only remove a mode they already have
1637                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1638                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1639                                                 {
1640                                                         char umode = parameters[1][i];
1641                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1642                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1643                                                         {
1644                                                                 int q = 0;
1645                                                                 char temp[MAXBUF];
1646                                                                 char moo[MAXBUF];
1647
1648                                                                 int v1 = strlen(outpars);
1649                                                                 outpars[v1+1]='\0';
1650                                                                 outpars[v1] = parameters[1][i];
1651
1652                                                                 strcpy(temp,"");
1653                                                                 for (q = 0; q < strlen(dmodes); q++)
1654                                                                 {
1655                                                                         if (dmodes[q] != parameters[1][i])
1656                                                                         {
1657                                                                                 moo[0] = dmodes[q];
1658                                                                                 moo[1] = '\0';
1659                                                                                 strlcat(temp,moo,MAXBUF);
1660                                                                         }
1661                                                                 }
1662                                                                 strlcpy(dmodes,temp,MAXBUF);
1663                                                         }
1664                                                 }
1665                                         }
1666                                 }
1667                         }
1668                 }
1669                 if (outpars[0])
1670                 {
1671                         char b[MAXBUF];
1672                         strlcpy(b,"",MAXBUF);
1673                         int z = 0;
1674                         int i = 0;
1675                         while (i < strlen (outpars))
1676                         {
1677                                 b[z++] = outpars[i++];
1678                                 b[z] = '\0';
1679                                 if (i<strlen(outpars)-1)
1680                                 {
1681                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1682                                         {
1683                                                 // someones playing silly buggers and trying
1684                                                 // to put a +- or -+ into the line...
1685                                                 i++;
1686                                         }
1687                                 }
1688                                 if (i == strlen(outpars)-1)
1689                                 {
1690                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1691                                         {
1692                                                 i++;
1693                                         }
1694                                 }
1695                         }
1696
1697                         z = strlen(b)-1;
1698                         if ((b[z] == '-') || (b[z] == '+'))
1699                                 b[z] = '\0';
1700
1701                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
1702                                 return;
1703
1704                         if (strcmp(b,""))
1705                         {
1706                                 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1707                                 // M token for a usermode must go to all servers
1708                                 char buffer[MAXBUF];
1709                                 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1710                                 NetSendToAll(buffer);
1711                         }
1712
1713                         if (strlen(dmodes)>MAXMODES)
1714                         {
1715                                 dmodes[MAXMODES-1] = '\0';
1716                         }
1717                         log(DEBUG,"Stripped mode line");
1718                         log(DEBUG,"Line dest is now %s",dmodes);
1719                         strlcpy(dest->modes,dmodes,MAXMODES);
1720
1721                 }
1722
1723                 return;
1724         }
1725
1726         Ptr = FindChan(parameters[0]);
1727         if (Ptr)
1728         {
1729                 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1730         }
1731         else
1732         {
1733                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1734         }
1735 }
1736
1737
1738
1739 void merge_mode(char **parameters, int pcnt)
1740 {
1741         chanrec* Ptr;
1742         userrec* dest;
1743         int can_change;
1744         int direction = 1;
1745         char outpars[MAXBUF];
1746
1747         dest = Find(parameters[0]);
1748
1749         // fix: ChroNiCk found this - we cant use this as debug if its null!
1750         if (dest)
1751         {
1752                 log(DEBUG,"merge_mode on %s",dest->nick);
1753         }
1754
1755         if ((dest) && (pcnt > 1))
1756         {
1757                 std::string tidied = compress_modes(parameters[1],false);
1758                 parameters[1] = (char*)tidied.c_str();
1759
1760                 char dmodes[MAXBUF];
1761                 strlcpy(dmodes,dest->modes,MAXBUF);
1762
1763                 strcpy(outpars,"+");
1764                 direction = 1;
1765
1766                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1767                         return;
1768
1769                 for (int i = 0; i < strlen(parameters[1]); i++)
1770                 {
1771                         if (parameters[1][i] == ' ')
1772                                 continue;
1773                         if (parameters[1][i] == '+')
1774                         {
1775                                 if (direction != 1)
1776                                 {
1777                                         int t = strlen(outpars)-1;
1778                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1779                                         {
1780                                                 outpars[t] = '+';
1781                                         }
1782                                         else
1783                                         {
1784                                                 strcat(outpars,"+");
1785                                         }
1786                                 }
1787                                 direction = 1;
1788                         }
1789                         else
1790                         if (parameters[1][i] == '-')
1791                         {
1792                                 if (direction != 0)
1793                                 {
1794                                         int t = strlen(outpars)-1;
1795                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1796                                         {
1797                                                 outpars[t] = '-';
1798                                         }
1799                                         else
1800                                         {
1801                                                 strcat(outpars,"-");
1802                                         }
1803                                 }
1804                                 direction = 0;
1805                         }
1806                         else
1807                         {
1808                                 log(DEBUG,"begin mode processing entry");
1809                                 can_change = 1;
1810                                 if (can_change)
1811                                 {
1812                                         if (direction == 1)
1813                                         {
1814                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1815                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
1816                                                 {
1817                                                         char umode = parameters[1][i];
1818                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1819                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1820                                                         {
1821                                                                 int v1 = strlen(dmodes);
1822                                                                 int v2 = strlen(outpars);
1823                                                                 dmodes[v1+1]='\0';
1824                                                                 dmodes[v1] = parameters[1][i];
1825                                                                 outpars[v2+1]='\0';
1826                                                                 outpars[v2] = parameters[1][i];
1827                                                         }
1828                                                 }
1829                                         }
1830                                         else
1831                                         {
1832                                                 // can only remove a mode they already have
1833                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1834                                                 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
1835                                                 {
1836                                                         char umode = parameters[1][i];
1837                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1838                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1839                                                         {
1840                                                                 int q = 0;
1841                                                                 char temp[MAXBUF];
1842                                                                 char moo[MAXBUF];
1843
1844                                                                 int v1 = strlen(outpars);
1845                                                                 outpars[v1+1]='\0';
1846                                                                 outpars[v1] = parameters[1][i];
1847
1848                                                                 strcpy(temp,"");
1849                                                                 for (q = 0; q < strlen(dmodes); q++)
1850                                                                 {
1851                                                                         if (dmodes[q] != parameters[1][i])
1852                                                                         {
1853                                                                                 moo[0] = dmodes[q];
1854                                                                                 moo[1] = '\0';
1855                                                                                 strlcat(temp,moo,MAXBUF);
1856                                                                         }
1857                                                                 }
1858                                                                 strlcpy(dmodes,temp,MAXBUF);
1859                                                         }
1860                                                 }
1861                                         }
1862                                 }
1863                         }
1864                 }
1865                 if (outpars[0])
1866                 {
1867                         char b[MAXBUF];
1868                         strcpy(b,"");
1869                         int z = 0;
1870                         int i = 0;
1871                         while (i < strlen (outpars))
1872                         {
1873                                 b[z++] = outpars[i++];
1874                                 b[z] = '\0';
1875                                 if (i<strlen(outpars)-1)
1876                                 {
1877                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1878                                         {
1879                                                 // someones playing silly buggers and trying
1880                                                 // to put a +- or -+ into the line...
1881                                                 i++;
1882                                         }
1883                                 }
1884                                 if (i == strlen(outpars)-1)
1885                                 {
1886                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1887                                         {
1888                                                 i++;
1889                                         }
1890                                 }
1891                         }
1892
1893                         z = strlen(b)-1;
1894                         if ((b[z] == '-') || (b[z] == '+'))
1895                                 b[z] = '\0';
1896
1897                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1898                                 return;
1899
1900                         if (strlen(dmodes)>MAXMODES)
1901                         {
1902                                 dmodes[MAXMODES-1] = '\0';
1903                         }
1904                         log(DEBUG,"Stripped mode line");
1905                         log(DEBUG,"Line dest is now %s",dmodes);
1906                         strlcpy(dest->modes,dmodes,MAXMODES);
1907
1908                 }
1909
1910                 return;
1911         }
1912
1913         Ptr = FindChan(parameters[0]);
1914         if (Ptr)
1915         {
1916                 userrec s2;
1917                 strlcpy(s2.nick,ServerName,NICKMAX);
1918                 strcpy(s2.modes,"o");
1919                 s2.fd = -1;
1920                 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
1921         }
1922 }
1923
1924
1925 void merge_mode2(char **parameters, int pcnt, userrec* user)
1926 {
1927         chanrec* Ptr;
1928         userrec* dest;
1929         int can_change;
1930         int direction = 1;
1931         char outpars[MAXBUF];
1932
1933         dest = Find(parameters[0]);
1934
1935         // fix: ChroNiCk found this - we cant use this as debug if its null!
1936         if (dest)
1937         {
1938                 log(DEBUG,"merge_mode2 on %s",dest->nick);
1939         }
1940
1941         if ((dest) && (pcnt > 1))
1942         {
1943                 std::string tidied = compress_modes(parameters[1],false);
1944                 parameters[1] = (char*)tidied.c_str();
1945
1946                 char dmodes[MAXBUF];
1947                 strlcpy(dmodes,dest->modes,MAXBUF);
1948
1949                 strcpy(outpars,"+");
1950                 direction = 1;
1951
1952                 if ((parameters[1][0] == ':') && (strlen(parameters[1])>1))
1953                 {
1954                         // some stupid 3rd party things (such as services packages) put a colon on the mode list...
1955                         log(DEBUG,"Some muppet put a colon on the modelist! changed to '%s'",++parameters[1]);
1956                 }
1957                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1958                 return;
1959
1960                 for (int i = 0; i < strlen(parameters[1]); i++)
1961                 {
1962                         if (parameters[1][i] == ' ')
1963                                 continue;
1964                         if (parameters[1][i] == '+')
1965                         {
1966                                 if (direction != 1)
1967                                 {
1968                                         int t = strlen(outpars)-1;
1969                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1970                                         {
1971                                                 outpars[t] = '+';
1972                                         }
1973                                         else
1974                                         {
1975                                                 strcat(outpars,"+");
1976                                         }
1977                                 }
1978                                 direction = 1;
1979                         }
1980                         else
1981                         if (parameters[1][i] == '-')
1982                         {
1983                                 if (direction != 0)
1984                                 {
1985                                         int t = strlen(outpars)-1;
1986                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1987                                         {
1988                                                 outpars[t] = '-';
1989                                         }
1990                                         else
1991                                         {
1992                                                 strcat(outpars,"-");
1993                                         }
1994                                 }
1995                                 direction = 0;
1996                         }
1997                         else
1998                         {
1999                                 log(DEBUG,"begin mode processing entry");
2000                                 can_change = 1;
2001                                 if (can_change)
2002                                 {
2003                                         if (direction == 1)
2004                                         {
2005                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
2006                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2007                                                 {
2008                                                         char umode = parameters[1][i];
2009                                                         log(DEBUG,"umode %c is an allowed umode",umode);
2010                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2011                                                         {
2012                                                                 int v1 = strlen(dmodes);
2013                                                                 int v2 = strlen(outpars);
2014                                                                 dmodes[v1+1]='\0';
2015                                                                 dmodes[v1] = parameters[1][i];
2016                                                                 outpars[v2+1]='\0';
2017                                                                 outpars[v2] = parameters[1][i];
2018                                                                 log(DEBUG,"OUTPARS='%s', DMODES='%s'",outpars,dmodes);
2019                                                         }
2020                                                 }
2021                                         }
2022                                         else
2023                                         {
2024                                                 // can only remove a mode they already have
2025                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
2026                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2027                                                 {
2028                                                         char umode = parameters[1][i];
2029                                                         log(DEBUG,"umode %c is an allowed umode",umode);
2030                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2031                                                         {
2032                                                                 int q = 0;
2033                                                                 char temp[MAXBUF];
2034                                                                 char moo[MAXBUF];
2035
2036                                                                 int v1 = strlen(outpars);
2037                                                                 outpars[v1+1]='\0';
2038                                                                 outpars[v1] = parameters[1][i];
2039
2040                                                                 strcpy(temp,"");
2041                                                                 for (q = 0; q < strlen(dmodes); q++)
2042                                                                 {
2043                                                                         if (dmodes[q] != parameters[1][i])
2044                                                                         {
2045                                                                                 moo[0] = dmodes[q];
2046                                                                                 moo[1] = '\0';
2047                                                                                 strlcat(temp,moo,MAXBUF);
2048                                                                         }
2049                                                                 }
2050                                                                 strlcpy(dmodes,temp,MAXBUF);
2051                                                         }
2052                                                 }
2053                                         }
2054                                 }
2055                         }
2056                 }
2057                 log(DEBUG,"DONE! OUTPARS='%s', DMODES='%s'",outpars,dmodes);
2058                 if (outpars[0])
2059                 {
2060                         char b[MAXBUF];
2061                         strcpy(b,"");
2062                         int z = 0;
2063                         int i = 0;
2064                         while (i < strlen (outpars))
2065                         {
2066                                 b[z++] = outpars[i++];
2067                                 b[z] = '\0';
2068                                 if (i<strlen(outpars)-1)
2069                                 {
2070                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2071                                         {
2072                                                 // someones playing silly buggers and trying
2073                                                 // to put a +- or -+ into the line...
2074                                                 i++;
2075                                         }
2076                                 }
2077                                 if (i == strlen(outpars)-1)
2078                                 {
2079                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
2080                                         {
2081                                                 i++;
2082                                         }
2083                                 }
2084                         }
2085
2086                         z = strlen(b)-1;
2087                         if ((b[z] == '-') || (b[z] == '+'))
2088                                 b[z] = '\0';
2089
2090
2091                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
2092                                 return;
2093
2094                         if (strcmp(b,""))
2095                         {
2096                                 WriteTo(user,dest,"MODE %s :%s",dest->nick,b);
2097                                 log(DEBUG,"Sent: :%s MODE %s",user->nick,b);
2098                         }
2099
2100                         if (strlen(dmodes)>MAXMODES)
2101                         {
2102                                 dmodes[MAXMODES-1] = '\0';
2103                         }
2104                         log(DEBUG,"Stripped mode line");
2105                         log(DEBUG,"Line dest is now %s",dmodes);
2106                         strlcpy(dest->modes,dmodes,MAXMODES);
2107                 }
2108
2109                 return;
2110         }
2111
2112         Ptr = FindChan(parameters[0]);
2113         if (Ptr)
2114         {
2115                 log(DEBUG,"merge_mode2: found channel %s",Ptr->name);
2116                 if (Ptr)
2117                 {
2118                         if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server)))
2119                         {
2120                                 return;
2121                         }
2122                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
2123                 }
2124         }
2125 }
2126
2127