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 #include "helperfuncs.h"
  55
  56 using namespace std;
  57
  58 extern int MODCOUNT;
  59 extern std::vector<Module*> modules;
  60 extern std::vector<ircd_module*> factory;
  61 extern std::vector<std::string> module_names;
  62
  63
  64 extern int LogLevel;
  65 extern char ServerName[MAXBUF];
  66 extern char Network[MAXBUF];
  67 extern char ServerDesc[MAXBUF];
  68 extern char AdminName[MAXBUF];
  69 extern char AdminEmail[MAXBUF];
  70 extern char AdminNick[MAXBUF];
  71 extern char diepass[MAXBUF];
  72 extern char restartpass[MAXBUF];
  73 extern char motd[MAXBUF];
  74 extern char rules[MAXBUF];
  75 extern char list[MAXBUF];
  76 extern char PrefixQuit[MAXBUF];
  77 extern char DieValue[MAXBUF];
  78
  79 extern bool AllowHalfop;
  80 extern bool AllowProtect;
  81 extern bool AllowFounder;
  82
  83 extern time_t TIME;
  84
  85 char* give_ops(userrec *user,char *dest,chanrec *chan,int status)
  86 {
  87         userrec *d;
  88
  89         if ((!user) || (!dest) || (!chan))
  90         {
  91                 log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
  92                 return NULL;
  93         }
  94
  95         if (!isnick(dest))
  96         {
  97                 log(DEFAULT,"the target nickname given to give_ops was invalid");
  98                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
  99                 return NULL;
 100         }
 101         d = Find(dest);
 102         if (!d)
 103         {
 104                 log(DEFAULT,"the target nickname given to give_ops couldnt be found");
 105                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 106                 return NULL;
 107         }
 108         else
 109         {
 110
 111                 int MOD_RESULT = 0;
 112                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_OP));
 113
 114                 if (MOD_RESULT == ACR_DENY)
 115                         return NULL;
 116                 if (MOD_RESULT == ACR_DEFAULT)
 117                 {
 118                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 119                         {
 120                                 log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
 121                                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 122                                 return NULL;
 123                         }
 124                 }
 125
 126
 127                 for (int i = 0; i != MAXCHANS; i++)
 128                 {
 129                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 130                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 131                         {
 132                         if (d->chans[i].uc_modes & UCMODE_OP)
 133                                 {
 134                                         /* mode already set on user, dont allow multiple */
 135                                         log(DEFAULT,"The target user given to give_ops was already opped on the channel");
 136                                         return NULL;
 137                                 }
 138                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
 139                                 log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
 140                                 return d->nick;
 141                         }
 142                 }
 143                 log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
 144         }
 145         return NULL;
 146 }
 147
 148 char* give_hops(userrec *user,char *dest,chanrec *chan,int status)
 149 {
 150         userrec *d;
 151
 152         if ((!user) || (!dest) || (!chan))
 153         {
 154                 log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
 155                 return NULL;
 156         }
 157
 158         d = Find(dest);
 159         if (!isnick(dest))
 160         {
 161                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 162                 return NULL;
 163         }
 164         if (!d)
 165         {
 166                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 167                 return NULL;
 168         }
 169         else
 170         {
 171                 int MOD_RESULT = 0;
 172                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_HALFOP));
 173
 174                 if (MOD_RESULT == ACR_DENY)
 175                         return NULL;
 176                 if (MOD_RESULT == ACR_DEFAULT)
 177                 {
 178                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 179                         {
 180                                 WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
 181                                 return NULL;
 182                         }
 183                 }
 184
 185                 for (int i = 0; i != MAXCHANS; i++)
 186                 {
 187                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 188                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 189                         {
 190                                 if (d->chans[i].uc_modes & UCMODE_HOP)
 191                                 {
 192                                         /* mode already set on user, dont allow multiple */
 193                                         return NULL;
 194                                 }
 195                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
 196                                 log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
 197                                 return d->nick;
 198                         }
 199                 }
 200         }
 201         return NULL;
 202 }
 203
 204 char* give_voice(userrec *user,char *dest,chanrec *chan,int status)
 205 {
 206         userrec *d;
 207
 208         if ((!user) || (!dest) || (!chan))
 209         {
 210                 log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
 211                 return NULL;
 212         }
 213
 214         d = Find(dest);
 215         if (!isnick(dest))
 216         {
 217                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 218                 return NULL;
 219         }
 220         if (!d)
 221         {
 222                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 223                 return NULL;
 224         }
 225         else
 226         {
 227                 int MOD_RESULT = 0;
 228                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_VOICE));
 229
 230                 if (MOD_RESULT == ACR_DENY)
 231                         return NULL;
 232                 if (MOD_RESULT == ACR_DEFAULT)
 233                 {
 234                         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 235                         {
 236                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 237                                 return NULL;
 238                         }
 239                 }
 240
 241                 for (int i = 0; i != MAXCHANS; i++)
 242                 {
 243                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 244                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 245                         {
 246                                 if (d->chans[i].uc_modes & UCMODE_VOICE)
 247                                 {
 248                                         /* mode already set on user, dont allow multiple */
 249                                         return NULL;
 250                                 }
 251                                 d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
 252                                 log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
 253                                 return d->nick;
 254                         }
 255                 }
 256         }
 257         return NULL;
 258 }
 259
 260 char* take_ops(userrec *user,char *dest,chanrec *chan,int status)
 261 {
 262         userrec *d;
 263
 264         if ((!user) || (!dest) || (!chan))
 265         {
 266                 log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
 267                 return NULL;
 268         }
 269
 270         d = Find(dest);
 271         if (!isnick(dest))
 272         {
 273                 log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
 274                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 275                 return NULL;
 276         }
 277         if (!d)
 278         {
 279                 log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
 280                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 281                 return NULL;
 282         }
 283         else
 284         {
 285                 int MOD_RESULT = 0;
 286                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEOP));
 287
 288                 if (MOD_RESULT == ACR_DENY)
 289                         return NULL;
 290                 if (MOD_RESULT == ACR_DEFAULT)
 291                 {
 292                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 293                         {
 294                                 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
 295                                 return NULL;
 296                         }
 297                 }
 298
 299                 for (int i = 0; i != MAXCHANS; i++)
 300                 {
 301                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 302                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 303                         {
 304                                 if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
 305                                 {
 306                                         /* mode already set on user, dont allow multiple */
 307                                         return NULL;
 308                                 }
 309                                 d->chans[i].uc_modes ^= UCMODE_OP;
 310                                 log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
 311                                 return d->nick;
 312                         }
 313                 }
 314                 log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
 315         }
 316         return NULL;
 317 }
 318
 319 char* take_hops(userrec *user,char *dest,chanrec *chan,int status)
 320 {
 321         userrec *d;
 322
 323         if ((!user) || (!dest) || (!chan))
 324         {
 325                 log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
 326                 return NULL;
 327         }
 328
 329         d = Find(dest);
 330         if (!isnick(dest))
 331         {
 332                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 333                 return NULL;
 334         }
 335         if (!d)
 336         {
 337                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 338                 return NULL;
 339         }
 340         else
 341         {
 342                 int MOD_RESULT = 0;
 343                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEHALFOP));
 344
 345                 if (MOD_RESULT == ACR_DENY)
 346                         return NULL;
 347                 if (MOD_RESULT == ACR_DEFAULT)
 348                 {
 349                         if ((status < STATUS_OP) && (!is_uline(user->server)))
 350                         {
 351                                 WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
 352                                 return NULL;
 353                         }
 354                 }
 355
 356                 for (int i = 0; i != MAXCHANS; i++)
 357                 {
 358                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 359                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 360                         {
 361                                 if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
 362                                 {
 363                                         /* mode already set on user, dont allow multiple */
 364                                         return NULL;
 365                                 }
 366                                 d->chans[i].uc_modes ^= UCMODE_HOP;
 367                                 log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
 368                                 return d->nick;
 369                         }
 370                 }
 371         }
 372         return NULL;
 373 }
 374
 375 char* take_voice(userrec *user,char *dest,chanrec *chan,int status)
 376 {
 377         userrec *d;
 378
 379         if ((!user) || (!dest) || (!chan))
 380         {
 381                 log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
 382                 return NULL;
 383         }
 384
 385         d = Find(dest);
 386         if (!isnick(dest))
 387         {
 388                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 389                 return NULL;
 390         }
 391         if (!d)
 392         {
 393                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
 394                 return NULL;
 395         }
 396         else
 397         {
 398                 int MOD_RESULT = 0;
 399                 FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEVOICE));
 400
 401                 if (MOD_RESULT == ACR_DENY)
 402                         return NULL;
 403                 if (MOD_RESULT == ACR_DEFAULT)
 404                 {
 405                         if ((status < STATUS_HOP) && (!is_uline(user->server)))
 406                         {
 407                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
 408                                 return NULL;
 409                         }
 410                 }
 411
 412                 for (int i = 0; i != MAXCHANS; i++)
 413                 {
 414                         if ((d->chans[i].channel != NULL) && (chan != NULL))
 415                         if (!strcasecmp(d->chans[i].channel->name,chan->name))
 416                         {
 417                                 if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
 418                                 {
 419                                         /* mode already set on user, dont allow multiple */
 420                                         return NULL;
 421                                 }
 422                                 d->chans[i].uc_modes ^= UCMODE_VOICE;
 423                                 log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
 424                                 return d->nick;
 425                         }
 426                 }
 427         }
 428         return NULL;
 429 }
 430
 431 char* add_ban(userrec *user,char *dest,chanrec *chan,int status)
 432 {
 433         if ((!user) || (!dest) || (!chan)) {
 434                 log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
 435                 return NULL;
 436         }
 437
 438         BanItem b;
 439         if ((!user) || (!dest) || (!chan))
 440                 return NULL;
 441         int l = strlen(dest);
 442         if (strchr(dest,'!')==0)
 443                 return NULL;
 444         if (strchr(dest,'@')==0)
 445                 return NULL;
 446         for (int i = 0; i < l; i++)
 447                 if (dest[i] < 32)
 448                         return NULL;
 449         for (int i = 0; i < l; i++)
 450                 if (dest[i] > 126)
 451                         return NULL;
 452         int c = 0;
 453         for (int i = 0; i < l; i++)
 454                 if (dest[i] == '!')
 455                         c++;
 456         if (c>1)
 457                 return NULL;
 458         c = 0;
 459         for (int i = 0; i < l; i++)
 460                 if (dest[i] == '@')
 461                         c++;
 462         if (c>1)
 463                 return NULL;
 464
 465         long maxbans = GetMaxBans(chan->name);
 466         if (chan->bans.size() > maxbans)
 467         {
 468                 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);
 469                 return NULL;
 470         }
 471
 472         log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
 473
 474         int MOD_RESULT = 0;
 475         FOREACH_RESULT(OnAddBan(user,chan,dest));
 476         if (MOD_RESULT)
 477                 return NULL;
 478
 479         TidyBan(dest);
 480         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 481         {
 482                 if (!strcasecmp(i->data,dest))
 483                 {
 484                         // dont allow a user to set the same ban twice
 485                         return NULL;
 486                 }
 487         }
 488
 489         b.set_time = TIME;
 490         strncpy(b.data,dest,MAXBUF);
 491         strncpy(b.set_by,user->nick,NICKMAX);
 492         chan->bans.push_back(b);
 493         return dest;
 494 }
 495
 496 char* take_ban(userrec *user,char *dest,chanrec *chan,int status)
 497 {
 498         if ((!user) || (!dest) || (!chan)) {
 499                 log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
 500                 return 0;
 501         }
 502
 503         log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
 504         for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
 505         {
 506                 if (!strcasecmp(i->data,dest))
 507                 {
 508                         int MOD_RESULT = 0;
 509                         FOREACH_RESULT(OnDelBan(user,chan,dest));
 510                         if (MOD_RESULT)
 511                                 return NULL;
 512                         chan->bans.erase(i);
 513                         return dest;
 514                 }
 515         }
 516         return NULL;
 517 }
 518
 519 // tidies up redundant modes, e.g. +nt-nt+i becomes +-+i,
 520 // a section further down the chain tidies up the +-+- crap.
 521 std::string compress_modes(std::string modes,bool channelmodes)
 522 {
 523         int counts[127];
 524         bool active[127];
 525         int delta = 1;
 526         memset(counts,0,sizeof(counts));
 527         memset(active,0,sizeof(active));
 528         log(DEBUG,"compress_modes: %s",modes.c_str());
 529         for (int i = 0; i < modes.length(); i++)
 530         {
 531                 if ((modes[i] == '+') || (modes[i] == '-'))
 532                         continue;
 533                 if (channelmodes)
 534                 {
 535                         if ((strchr("itnmsp",modes[i])) || ((ModeDefined(modes[i],MT_CHANNEL)) && (ModeDefinedOn(modes[i],MT_CHANNEL)==0) && (ModeDefinedOff(modes[i],MT_CHANNEL)==0)))
 536                         {
 537                                 log(DEBUG,"Tidy mode %c",modes[i]);
 538                                 counts[(unsigned int)modes[i]]++;
 539                                 active[(unsigned int)modes[i]] = true;
 540                         }
 541                 }
 542                 else
 543                 {
 544                         log(DEBUG,"Tidy mode %c",modes[i]);
 545                         counts[(unsigned int)modes[i]]++;
 546                         active[(unsigned int)modes[i]] = true;
 547                 }
 548         }
 549         for (int j = 65; j < 127; j++)
 550         {
 551                 if ((counts[j] > 1) && (active[j] == true))
 552                 {
 553                         static char v[2];
 554                         v[0] = (unsigned char)j;
 555                         v[1] = '\0';
 556                         std::string mode_str = v;
 557                         std::string::size_type pos = modes.find(mode_str);
 558                         if (pos != std::string::npos)
 559                         {
 560                                 log(DEBUG,"all occurances of mode %c to be deleted...",(unsigned char)j);
 561                                 while (modes.find(mode_str) != std::string::npos)
 562                                         modes.erase(modes.find(mode_str),1);
 563                                 log(DEBUG,"New mode line: %s",modes.c_str());
 564                         }
 565                 }
 566         }
 567         return modes;
 568 }
 569
 570 void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
 571 {
 572         if (!parameters) {
 573                 log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
 574                 return;
 575         }
 576
 577         char modelist[MAXBUF];
 578         char outlist[MAXBUF];
 579         char outstr[MAXBUF];
 580         char outpars[32][MAXBUF];
 581         int param = 2;
 582         int pc = 0;
 583         int ptr = 0;
 584         int mdir = 1;
 585         char* r = NULL;
 586         bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
 587
 588         if (pcnt < 2)
 589         {
 590                 return;
 591         }
 592
 593         int MOD_RESULT = 0;
 594         FOREACH_RESULT(OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
 595
 596         if (MOD_RESULT == ACR_DENY)
 597                 return;
 598
 599         log(DEBUG,"process_modes: start: parameters=%d",pcnt);
 600
 601         strlcpy(modelist,parameters[1],MAXBUF); /* mode list, e.g. +oo-o *
 602                                                  * parameters[2] onwards are parameters for
 603                                                  * modes that require them :) */
 604         strlcpy(outlist,"+",MAXBUF);
 605         mdir = 1;
 606
 607         log(DEBUG,"process_modes: modelist: %s",modelist);
 608
 609         std::string tidied = compress_modes(modelist,true);
 610         strlcpy(modelist,tidied.c_str(),MAXBUF);
 611
 612         int len = strlen(modelist);
 613         while (modelist[len-1] == ' ')
 614                 modelist[--len] = '\0';
 615         for (ptr = 0; ptr < len; ptr++)
 616         {
 617                 r = NULL;
 618
 619                 {
 620                         log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
 621
 622                         char modechar = modelist[ptr];
 623                         switch (modelist[ptr])
 624                         {
 625                                 case '-':
 626                                         if (mdir != 0)
 627                                         {
 628                                                 int t = strlen(outlist)-1;
 629                                                 if ((outlist[t] == '+') || (outlist[t] == '-'))
 630                                                 {
 631                                                         outlist[t] = '-';
 632                                                 }
 633                                                 else
 634                                                 {
 635                                                         strcat(outlist,"-");
 636                                                 }
 637                                         }
 638                                         mdir = 0;
 639
 640                                 break;
 641
 642                                 case '+':
 643                                         if (mdir != 1)
 644                                         {
 645                                                 int t = strlen(outlist)-1;
 646                                                 if ((outlist[t] == '+') || (outlist[t] == '-'))
 647                                                 {
 648                                                         outlist[t] = '+';
 649                                                 }
 650                                                 else
 651                                                 {
 652                                                         strcat(outlist,"+");
 653                                                 }
 654                                         }
 655                                         mdir = 1;
 656                                 break;
 657
 658                                 case 'o':
 659                                         log(DEBUG,"Ops");
 660                                         if ((param >= pcnt)) break;
 661                                         log(DEBUG,"Enough parameters left");
 662                                         if (mdir == 1)
 663                                         {
 664                                                 MOD_RESULT = 0;
 665                                                 FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], true, 1));
 666                                                 if (!MOD_RESULT)
 667                                                 {
 668                                                         log(DEBUG,"calling give_ops");
 669                                                         r = give_ops(user,parameters[param++],chan,status);
 670                                                 }
 671                                                 else param++;
 672                                         }
 673                                         else
 674                                         {
 675                                                 MOD_RESULT = 0;
 676                                                 FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], false, 1));
 677                                                 if (!MOD_RESULT)
 678                                                 {
 679                                                         log(DEBUG,"calling take_ops");
 680                                                         r = take_ops(user,parameters[param++],chan,status);
 681                                                 }
 682                                                 else param++;
 683                                         }
 684                                         if (r)
 685                                         {
 686                                                 strlcat(outlist,"o",MAXBUF);
 687                                                 strlcpy(outpars[pc++],r,MAXBUF);
 688                                         }
 689                                 break;
 690
 691                                 case 'h':
 692                                         if (((param >= pcnt)) || (!AllowHalfop)) break;
 693                                         if (mdir == 1)
 694                                         {
 695                                                 MOD_RESULT = 0;
 696                                                 FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], true, 1));
 697                                                 if (!MOD_RESULT)
 698                                                 {
 699                                                         r = give_hops(user,parameters[param++],chan,status);
 700                                                 }
 701                                                 else param++;
 702                                         }
 703                                         else
 704                                         {
 705                                                 MOD_RESULT = 0;
 706                                                 FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], false, 1));
 707                                                 if (!MOD_RESULT)
 708                                                 {
 709                                                         r = take_hops(user,parameters[param++],chan,status);
 710                                                 }
 711                                                 else param++;
 712                                         }
 713                                         if (r)
 714                                         {
 715                                                 strlcat(outlist,"h",MAXBUF);
 716                                                 strlcpy(outpars[pc++],r,MAXBUF);
 717                                         }
 718                                 break;
 719
 720
 721                                 case 'v':
 722                                         if ((param >= pcnt)) break;
 723                                         if (mdir == 1)
 724                                         {
 725                                                 MOD_RESULT = 0;
 726                                                 FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], true, 1));
 727                                                 if (!MOD_RESULT)
 728                                                 {
 729                                                         r = give_voice(user,parameters[param++],chan,status);
 730                                                 }
 731                                                 else param++;
 732                                         }
 733                                         else
 734                                         {
 735                                                 MOD_RESULT = 0;
 736                                                 FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], false, 1));
 737                                                 if (!MOD_RESULT)
 738                                                 {
 739                                                         r = take_voice(user,parameters[param++],chan,status);
 740                                                 }
 741                                                 else param++;
 742                                         }
 743                                         if (r)
 744                                         {
 745                                                 strlcat(outlist,"v",MAXBUF);
 746                                                 strlcpy(outpars[pc++],r,MAXBUF);
 747                                         }
 748                                 break;
 749
 750                                 case 'b':
 751                                         if ((param >= pcnt)) break;
 752                                         if (mdir == 1)
 753                                         {
 754                                                 MOD_RESULT = 0;
 755                                                 FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], true, 1));
 756                                                 if (!MOD_RESULT)
 757                                                 {
 758                                                         r = add_ban(user,parameters[param++],chan,status);
 759                                                 }
 760                                                 else param++;
 761                                         }
 762                                         else
 763                                         {
 764                                                 MOD_RESULT = 0;
 765                                                 FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], false, 1));
 766                                                 if (!MOD_RESULT)
 767                                                 {
 768                                                         r = take_ban(user,parameters[param++],chan,status);
 769                                                 }
 770                                                 else param++;
 771                                         }
 772                                         if (r)
 773                                         {
 774                                                 strlcat(outlist,"b",MAXBUF);
 775                                                 strlcpy(outpars[pc++],parameters[param-1],MAXBUF);
 776                                         }
 777                                 break;
 778
 779
 780                                 case 'k':
 781                                         if ((param >= pcnt))
 782                                                 break;
 783
 784                                         if (mdir == 1)
 785                                         {
 786                                                 if (k_set)
 787                                                         break;
 788
 789                                                 if (previously_unset_k)
 790                                                         break;
 791                                                 previously_set_k = true;
 792
 793                                                 if (!strcmp(chan->key,""))
 794                                                 {
 795                                                         MOD_RESULT = 0;
 796                                                         FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], true, 1));
 797                                                         if (!MOD_RESULT)
 798                                                         {
 799                                                                 strcat(outlist,"k");
 800                                                                 char key[MAXBUF];
 801                                                                 strlcpy(key,parameters[param++],32);
 802                                                                 strlcpy(outpars[pc++],key,MAXBUF);
 803                                                                 strlcpy(chan->key,key,MAXBUF);
 804                                                                 k_set = true;
 805                                                         }
 806                                                         else param++;
 807                                                 }
 808                                         }
 809                                         else
 810                                         {
 811                                                 /* checks on -k are case sensitive and only accurate to the
 812                                                    first 32 characters */
 813                                                 if (previously_set_k)
 814                                                         break;
 815                                                 previously_unset_k = true;
 816
 817                                                 char key[MAXBUF];
 818                                                 MOD_RESULT = 0;
 819                                                 FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], false, 1));
 820                                                 if (!MOD_RESULT)
 821                                                 {
 822                                                         strlcpy(key,parameters[param++],32);
 823                                                         /* only allow -k if correct key given */
 824                                                         if (!strcmp(chan->key,key))
 825                                                         {
 826                                                                 strlcat(outlist,"k",MAXBUF);
 827                                                                 strlcpy(chan->key,"",MAXBUF);
 828                                                                 strlcpy(outpars[pc++],key,MAXBUF);
 829                                                         }
 830                                                 }
 831                                                 else param++;
 832                                         }
 833                                 break;
 834
 835                                 case 'l':
 836                                         if (mdir == 0)
 837                                         {
 838                                                 if (previously_set_l)
 839                                                         break;
 840                                                 previously_unset_l = true;
 841                                                 MOD_RESULT = 0;
 842                                                 FOREACH_RESULT(OnRawMode(user, chan, 'l', "", false, 0));
 843                                                 if (!MOD_RESULT)
 844                                                 {
 845                                                         if (chan->limit)
 846                                                         {
 847                                                                 strcat(outlist,"l");
 848                                                                 chan->limit = 0;
 849                                                         }
 850                                                 }
 851                                         }
 852
 853                                         if ((param >= pcnt)) break;
 854                                         if (mdir == 1)
 855                                         {
 856                                                 if (l_set)
 857                                                         break;
 858                                                 if (previously_unset_l)
 859                                                         break;
 860                                                 previously_set_l = true;
 861                                                 bool invalid = false;
 862                                                 for (int i = 0; i < strlen(parameters[param]); i++)
 863                                                 {
 864                                                         if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
 865                                                         {
 866                                                                 invalid = true;
 867                                                         }
 868                                                 }
 869                                                 if (atoi(parameters[param]) < 1)
 870                                                 {
 871                                                         invalid = true;
 872                                                 }
 873
 874                                                 if (invalid)
 875                                                         break;
 876
 877                                                 MOD_RESULT = 0;
 878                                                 FOREACH_RESULT(OnRawMode(user, chan, 'l', parameters[param], true, 1));
 879                                                 if (!MOD_RESULT)
 880                                                 {
 881
 882                                                         chan->limit = atoi(parameters[param]);
 883
 884                                                         // reported by mech: large values cause underflow
 885                                                         if (chan->limit < 0)
 886                                                                 chan->limit = 0x7FFF;
 887                                                 }
 888
 889                                                 if (chan->limit)
 890                                                 {
 891                                                         strlcat(outlist,"l",MAXBUF);
 892                                                         strlcpy(outpars[pc++],parameters[param++],MAXBUF);
 893                                                         l_set = true;
 894                                                 }
 895                                         }
 896                                 break;
 897
 898                                 case 'i':
 899                                         MOD_RESULT = 0;
 900                                         FOREACH_RESULT(OnRawMode(user, chan, 'i', "", mdir, 0));
 901                                         if (!MOD_RESULT)
 902                                         {
 903                                                 if (mdir)
 904                                                 {
 905                                                         if (!(chan->binarymodes & CM_INVITEONLY)) strlcat(outlist,"i",MAXBUF);
 906                                                         chan->binarymodes |= CM_INVITEONLY;
 907                                                 }
 908                                                 else
 909                                                 {
 910                                                         if (chan->binarymodes & CM_INVITEONLY) strlcat(outlist,"i",MAXBUF);
 911                                                         chan->binarymodes &= ~CM_INVITEONLY;
 912                                                 }
 913                                         }
 914                                 break;
 915
 916                                 case 't':
 917                                         MOD_RESULT = 0;
 918                                         FOREACH_RESULT(OnRawMode(user, chan, 't', "", mdir, 0));
 919                                         if (!MOD_RESULT)
 920                                         {
 921                                                 if (mdir)
 922                                                 {
 923                                                         if (!(chan->binarymodes & CM_TOPICLOCK)) strlcat(outlist,"t",MAXBUF);
 924                                                         chan->binarymodes |= CM_TOPICLOCK;
 925                                                 }
 926                                                 else
 927                                                 {
 928                                                         if (chan->binarymodes & CM_NOEXTERNAL) strlcat(outlist,"t",MAXBUF);
 929                                                         chan->binarymodes &= ~CM_TOPICLOCK;
 930                                                 }
 931                                         }
 932                                 break;
 933
 934                                 case 'n':
 935                                         MOD_RESULT = 0;
 936                                         FOREACH_RESULT(OnRawMode(user, chan, 'n', "", mdir, 0));
 937                                         if (!MOD_RESULT)
 938                                         {
 939                                                 if (mdir)
 940                                                 {
 941                                                         if (!(chan->binarymodes & CM_NOEXTERNAL)) strlcat(outlist,"n",MAXBUF);
 942                                                         chan->binarymodes |= CM_NOEXTERNAL;
 943                                                 }
 944                                                 else
 945                                                 {
 946                                                         if (chan->binarymodes & CM_NOEXTERNAL) strlcat(outlist,"n",MAXBUF);
 947                                                         chan->binarymodes &= ~CM_NOEXTERNAL;
 948                                                 }
 949                                         }
 950                                 break;
 951
 952                                 case 'm':
 953                                         MOD_RESULT = 0;
 954                                         FOREACH_RESULT(OnRawMode(user, chan, 'm', "", mdir, 0));
 955                                         if (!MOD_RESULT)
 956                                         {
 957                                                 if (mdir)
 958                                                 {
 959                                                         if (!(chan->binarymodes & CM_MODERATED)) strlcat(outlist,"m",MAXBUF);
 960                                                         chan->binarymodes |= CM_MODERATED;
 961                                                 }
 962                                                 else
 963                                                 {
 964                                                         if (chan->binarymodes & CM_MODERATED) strlcat(outlist,"m",MAXBUF);
 965                                                         chan->binarymodes &= ~CM_MODERATED;
 966                                                 }
 967                                         }
 968                                 break;
 969
 970                                 case 's':
 971                                         MOD_RESULT = 0;
 972                                         FOREACH_RESULT(OnRawMode(user, chan, 's', "", mdir, 0));
 973                                         if (!MOD_RESULT)
 974                                         {
 975                                                 if (mdir)
 976                                                 {
 977                                                         if (!(chan->binarymodes & CM_SECRET)) strlcat(outlist,"s",MAXBUF);
 978                                                         chan->binarymodes |= CM_SECRET;
 979                                                         if (chan->binarymodes & CM_PRIVATE)
 980                                                         {
 981                                                                 chan->binarymodes &= ~CM_PRIVATE;
 982                                                                 if (mdir)
 983                                                                 {
 984                                                                         strlcat(outlist,"-p+",MAXBUF);
 985                                                                 }
 986                                                         }
 987                                                 }
 988                                                 else
 989                                                 {
 990                                                         if (chan->binarymodes & CM_SECRET) strlcat(outlist,"s",MAXBUF);
 991                                                         chan->binarymodes &= ~CM_SECRET;
 992                                                 }
 993                                         }
 994                                 break;
 995
 996                                 case 'p':
 997                                         MOD_RESULT = 0;
 998                                         FOREACH_RESULT(OnRawMode(user, chan, 'p', "", mdir, 0));
 999                                         if (!MOD_RESULT)
1000                                         {
1001                                                 if (mdir)
1002                                                 {
1003                                                         if (!(chan->binarymodes & CM_PRIVATE)) strlcat(outlist,"p",MAXBUF);
1004                                                         chan->binarymodes |= CM_PRIVATE;
1005                                                         if (chan->binarymodes & CM_SECRET)
1006                                                         {
1007                                                                 chan->binarymodes &= ~CM_SECRET;
1008                                                                 if (mdir)
1009                                                                 {
1010                                                                         strlcat(outlist,"-s+",MAXBUF);
1011                                                                 }
1012                                                         }
1013                                                 }
1014                                                 else
1015                                                 {
1016                                                         if (chan->binarymodes & CM_PRIVATE) strlcat(outlist,"p",MAXBUF);
1017                                                         chan->binarymodes &= ~CM_PRIVATE;
1018                                                 }
1019                                         }
1020                                 break;
1021
1022                                 default:
1023                                         log(DEBUG,"Preprocessing custom mode %c: modelist: %s",modechar,chan->custom_modes);
1024                                         string_list p;
1025                                         p.clear();
1026                                         if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
1027                                         {
1028                                                 if (!ModeIsListMode(modechar,MT_CHANNEL))
1029                                                 {
1030                                                         log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
1031                                                         break;
1032                                                 }
1033                                         }
1034                                         if (ModeDefined(modechar,MT_CHANNEL))
1035                                         {
1036                                                 log(DEBUG,"A module has claimed this mode");
1037                                                 if (param<pcnt)
1038                                                 {
1039                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
1040                                                         {
1041                                                                 p.push_back(parameters[param]);
1042                                                         }
1043                                                         if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
1044                                                         {
1045                                                                 p.push_back(parameters[param]);
1046                                                         }
1047                                                 }
1048                                                 bool handled = false;
1049                                                 if (param>=pcnt)
1050                                                 {
1051                                                         // we're supposed to have a parameter, but none was given... so dont handle the mode.
1052                                                         if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
1053                                                         {
1054                                                                 log(DEBUG,"Not enough parameters for module-mode %c",modechar);
1055                                                                 handled = true;
1056                                                                 param++;
1057                                                         }
1058                                                 }
1059
1060                                                 // BIG ASS IDIOTIC CODER WARNING!
1061                                                 // Using OnRawMode on another modules mode's behavour
1062                                                 // will confuse the crap out of admins! just because you CAN
1063                                                 // do it, doesnt mean you SHOULD!
1064                                                 MOD_RESULT = 0;
1065                                                 std::string para = "";
1066                                                 if (p.size())
1067                                                         para = p[0];
1068                                                 FOREACH_RESULT(OnRawMode(user, chan, modechar, para, mdir, pcnt));
1069                                                 if (!MOD_RESULT)
1070                                                 {
1071                                                         for (int i = 0; i <= MODCOUNT; i++)
1072                                                         {
1073                                                                 if (!handled)
1074                                                                 {
1075                                                                         int t = modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p);
1076                                                                         if (t != 0)
1077                                                                         {
1078                                                                                 log(DEBUG,"OnExtendedMode returned nonzero for a module");
1079                                                                                 char app[] = {modechar, 0};
1080                                                                                 if (ModeIsListMode(modechar,MT_CHANNEL))
1081                                                                                 {
1082                                                                                         if (t == -1)
1083                                                                                         {
1084                                                                                                 //pc++;
1085                                                                                                 param++;
1086                                                                                         }
1087                                                                                         else
1088                                                                                         {
1089                                                                                                 if (ptr>0)
1090                                                                                                 {
1091                                                                                                         strlcat(outlist, app,MAXBUF);
1092                                                                                                 }
1093                                                                                                 strlcpy(outpars[pc++],parameters[param++],MAXBUF);
1094                                                                                         }
1095                                                                                 }
1096                                                                                 else
1097                                                                                 {
1098                                                                                         if (ptr>0)
1099                                                                                         {
1100                                                                                                 if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
1101                                                                                                 {
1102                                                                                                         strlcat(outlist, app,MAXBUF);
1103                                                                                                 }
1104                                                                                                 else if (!strchr(outlist,modechar))
1105                                                                                                 {
1106                                                                                                         strlcat(outlist, app,MAXBUF);
1107                                                                                                 }
1108                                                                                         }
1109                                                                                         chan->SetCustomMode(modechar,mdir);
1110                                                                                         // include parameters in output if mode has them
1111                                                                                         if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
1112                                                                                         {
1113                                                                                                 chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
1114                                                                                                 strlcpy(outpars[pc++],parameters[param++],MAXBUF);
1115                                                                                         }
1116                                                                                 }
1117                                                                                 // break, because only one module can handle the mode.
1118                                                                                 handled = true;
1119                                                                         }
1120                                                                 }
1121                                                         }
1122                                                 }
1123                                         }
1124                                         else
1125                                         {
1126                                                 WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,modechar);
1127                                         }
1128                                 break;
1129
1130                         }
1131                 }
1132         }
1133
1134         /* this ensures only the *valid* modes are sent out onto the network */
1135         int xt = strlen(outlist)-1;
1136         while ((outlist[xt] == '-') || (outlist[xt] == '+'))
1137         {
1138                 outlist[xt] = '\0';
1139                 xt = strlen(outlist)-1;
1140         }
1141         if (outlist[0])
1142         {
1143                 strlcpy(outstr,outlist,MAXBUF);
1144                 for (ptr = 0; ptr < pc; ptr++)
1145                 {
1146                         strlcat(outstr," ",MAXBUF);
1147                         strlcat(outstr,outpars[ptr],MAXBUF);
1148                 }
1149                 if (local)
1150                 {
1151                         log(DEBUG,"Local mode change");
1152                         WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
1153                 }
1154                 else
1155                 {
1156                         if (servermode)
1157                         {
1158                                 if (!silent)
1159                                 {
1160                                         WriteChannelWithServ(ServerName,chan,"MODE %s %s",chan->name,outstr);
1161                                         // M token for a usermode must go to all servers
1162                                         char buffer[MAXBUF];
1163                                         snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
1164                                         NetSendToAll(buffer);
1165                                 }
1166
1167                         }
1168                         else
1169                         {
1170                                 if (!silent)
1171                                 {
1172                                         WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
1173                                         // M token for a usermode must go to all servers
1174                                         char buffer[MAXBUF];
1175                                         snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
1176                                         NetSendToAll(buffer);
1177                                 }
1178                         }
1179                 }
1180         }
1181 }
1182
1183 // based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
1184
1185 bool allowed_umode(char umode, char* sourcemodes,bool adding)
1186 {
1187         log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
1188         // RFC1459 specified modes
1189         if ((umode == 'w') || (umode == 's') || (umode == 'i'))
1190         {
1191                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1192                 return true;
1193         }
1194
1195         // user may not +o themselves or others, but an oper may de-oper other opers or themselves
1196         if ((strchr(sourcemodes,'o')) && (!adding))
1197         {
1198                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1199                 return true;
1200         }
1201         else if (umode == 'o')
1202         {
1203                 log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
1204                 return false;
1205         }
1206
1207         // process any module-defined modes that need oper
1208         if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
1209         {
1210                 log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
1211                 return true;
1212         }
1213         else
1214         if (ModeDefined(umode,MT_CLIENT))
1215         {
1216                 // process any module-defined modes that don't need oper
1217                 log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
1218                 if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
1219                 {
1220                         // no, this mode needs oper, and this user 'aint got what it takes!
1221                         return false;
1222                 }
1223                 return true;
1224         }
1225
1226         // anything else - return false.
1227         log(DEBUG,"umode %c not known by any ruleset",umode);
1228         return false;
1229 }
1230
1231 bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
1232 {
1233         userrec* s2;
1234         bool faked = false;
1235         if (!source)
1236         {
1237                 s2 = new userrec;
1238                 strlcpy(s2->nick,ServerName,NICKMAX);
1239                 strcpy(s2->modes,"o");
1240                 s2->fd = -1;
1241                 source = s2;
1242                 faked = true;
1243         }
1244         string_list p;
1245         p.clear();
1246         if (ModeDefined(umode,MT_CLIENT))
1247         {
1248                 for (int i = 0; i <= MODCOUNT; i++)
1249                 {
1250                         if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
1251                         {
1252                                 log(DEBUG,"Module %s claims umode %c",module_names[i].c_str(),umode);
1253                                 return true;
1254                         }
1255                 }
1256                 log(DEBUG,"No module claims umode %c",umode);
1257                 if (faked)
1258                 {
1259                         delete s2;
1260                         source = NULL;
1261                 }
1262                 return false;
1263         }
1264         else
1265         {
1266                 if (faked)
1267                 {
1268                         delete s2;
1269                         source = NULL;
1270                 }
1271                 return false;
1272         }
1273 }
1274
1275 void handle_mode(char **parameters, int pcnt, userrec *user)
1276 {
1277         chanrec* Ptr;
1278         userrec* dest;
1279         int can_change;
1280         int direction = 1;
1281         char outpars[MAXBUF];
1282
1283         dest = Find(parameters[0]);
1284
1285         if (!user)
1286         {
1287                 return;
1288         }
1289
1290         if ((dest) && (pcnt == 1))
1291         {
1292                 WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
1293                 return;
1294         }
1295
1296         if ((dest) && (pcnt > 1))
1297         {
1298                 std::string tidied = compress_modes(parameters[1],false);
1299                 parameters[1] = (char*)tidied.c_str();
1300
1301                 char dmodes[MAXBUF];
1302                 strlcpy(dmodes,dest->modes,MAXBUF);
1303                 log(DEBUG,"pulled up dest user modes: %s",dmodes);
1304
1305                 can_change = 0;
1306                 if (user != dest)
1307                 {
1308                         if (strchr(user->modes,'o'))
1309                         {
1310                                 can_change = 1;
1311                         }
1312                 }
1313                 else
1314                 {
1315                         can_change = 1;
1316                 }
1317                 if (!can_change)
1318                 {
1319                         WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
1320                         return;
1321                 }
1322
1323                 strcpy(outpars,"+");
1324                 direction = 1;
1325
1326                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1327                         return;
1328
1329                 for (int i = 0; i < strlen(parameters[1]); i++)
1330                 {
1331                         if (parameters[1][i] == ' ')
1332                                 continue;
1333                         if (parameters[1][i] == '+')
1334                         {
1335                                 if (direction != 1)
1336                                 {
1337                                         int t = strlen(outpars)-1;
1338                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1339                                         {
1340                                                 outpars[t] = '+';
1341                                         }
1342                                         else
1343                                         {
1344                                                 strcat(outpars,"+");
1345                                         }
1346                                 }
1347                                 direction = 1;
1348                         }
1349                         else
1350                         if (parameters[1][i] == '-')
1351                         {
1352                                 if (direction != 0)
1353                                 {
1354                                         int t = strlen(outpars)-1;
1355                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1356                                         {
1357                                                 outpars[t] = '-';
1358                                         }
1359                                         else
1360                                         {
1361                                                 strcat(outpars,"-");
1362                                         }
1363                                 }
1364                                 direction = 0;
1365                         }
1366                         else
1367                         {
1368                                 can_change = 0;
1369                                 if (strchr(user->modes,'o'))
1370                                 {
1371                                         can_change = 1;
1372                                 }
1373                                 else
1374                                 {
1375                                         if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
1376                                         {
1377                                                 can_change = 1;
1378                                         }
1379                                 }
1380                                 if (can_change)
1381                                 {
1382                                         if (direction == 1)
1383                                         {
1384                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1385                                                 {
1386                                                         char umode = parameters[1][i];
1387                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1388                                                         {
1389                                                                 int q = strlen(dmodes);
1390                                                                 int r = strlen(outpars);
1391                                                                 dmodes[q+1]='\0';
1392                                                                 dmodes[q] = parameters[1][i];
1393                                                                 outpars[r+1]='\0';
1394                                                                 outpars[r] = parameters[1][i];
1395                                                                 if (parameters[1][i] == 'o')
1396                                                                 {
1397                                                                         FOREACH_MOD OnGlobalOper(dest);
1398                                                                 }
1399                                                         }
1400                                                 }
1401                                         }
1402                                         else
1403                                         {
1404                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1405                                                 {
1406                                                         char umode = parameters[1][i];
1407                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1408                                                         {
1409                                                                 int q = 0;
1410                                                                 char temp[MAXBUF];
1411                                                                 char moo[MAXBUF];
1412
1413                                                                 int r = strlen(outpars);
1414                                                                 outpars[r+1]='\0';
1415                                                                 outpars[r] = parameters[1][i];
1416
1417                                                                 strcpy(temp,"");
1418                                                                 for (q = 0; q < strlen(dmodes); q++)
1419                                                                 {
1420                                                                         if (dmodes[q] != parameters[1][i])
1421                                                                         {
1422                                                                                 moo[0] = dmodes[q];
1423                                                                                 moo[1] = '\0';
1424                                                                                 strlcat(temp,moo,MAXBUF);
1425                                                                         }
1426                                                                 }
1427                                                                 strlcpy(dmodes,temp,MAXBUF);
1428
1429                                                                 if (umode == 'o')
1430                                                                         DeleteOper(dest);
1431                                                         }
1432                                                 }
1433                                         }
1434                                 }
1435                         }
1436                 }
1437                 if (outpars[0])
1438                 {
1439                         char b[MAXBUF];
1440                         strlcpy(b,"",MAXBUF);
1441                         int z = 0;
1442                         int i = 0;
1443                         while (i < strlen (outpars))
1444                         {
1445                                 b[z++] = outpars[i++];
1446                                 b[z] = '\0';
1447                                 if (i<strlen(outpars)-1)
1448                                 {
1449                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1450                                         {
1451                                                 // someones playing silly buggers and trying
1452                                                 // to put a +- or -+ into the line...
1453                                                 i++;
1454                                         }
1455                                 }
1456                                 if (i == strlen(outpars)-1)
1457                                 {
1458                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1459                                         {
1460                                                 i++;
1461                                         }
1462                                 }
1463                         }
1464
1465                         z = strlen(b)-1;
1466                         if ((b[z] == '-') || (b[z] == '+'))
1467                                 b[z] = '\0';
1468
1469                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
1470                                 return;
1471
1472                         if (strcmp(b,""))
1473                         {
1474                                 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1475                                 // M token for a usermode must go to all servers
1476                                 char buffer[MAXBUF];
1477                                 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1478                                 NetSendToAll(buffer);
1479                         }
1480
1481                         if (strlen(dmodes)>MAXMODES)
1482                         {
1483                                 dmodes[MAXMODES-1] = '\0';
1484                         }
1485                         log(DEBUG,"Stripped mode line");
1486                         log(DEBUG,"Line dest is now %s",dmodes);
1487                         strlcpy(dest->modes,dmodes,MAXMODES);
1488
1489                 }
1490
1491                 return;
1492         }
1493
1494         Ptr = FindChan(parameters[0]);
1495         if (Ptr)
1496         {
1497                 if (pcnt == 1)
1498                 {
1499                         /* just /modes #channel */
1500                         WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
1501                         WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
1502                         return;
1503                 }
1504                 else
1505                 if (pcnt == 2)
1506                 {
1507                         char* mode = parameters[1];
1508                         if (*mode == '+')
1509                                 mode++;
1510                         int MOD_RESULT = 0;
1511                         FOREACH_RESULT(OnRawMode(user, Ptr, *mode, "", false, 0));
1512                         if (!MOD_RESULT)
1513                         {
1514                                 if (*mode == 'b')
1515                                 {
1516
1517                                         for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
1518                                         {
1519                                                 WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
1520                                         }
1521                                         WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
1522                                         return;
1523                                 }
1524                                 if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
1525                                 {
1526                                         // list of items for an extmode
1527                                         log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
1528                                         FOREACH_MOD OnSendList(user,Ptr,*mode);
1529                                         return;
1530                                 }
1531                         }
1532                 }
1533
1534                 if ((Ptr) && (!has_channel(user,Ptr)))
1535                 {
1536                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
1537                         return;
1538                 }
1539
1540                 if (Ptr)
1541                 {
1542                         int MOD_RESULT = 0;
1543                         FOREACH_RESULT(OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE));
1544
1545                         if (MOD_RESULT == ACR_DENY)
1546                                 return;
1547                         if (MOD_RESULT == ACR_DEFAULT)
1548                         {
1549                                 if (cstatus(user,Ptr) < STATUS_HOP)
1550                                 {
1551                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
1552                                         return;
1553                                 }
1554                         }
1555
1556                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
1557                 }
1558         }
1559         else
1560         {
1561                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1562         }
1563 }
1564
1565
1566
1567
1568 void server_mode(char **parameters, int pcnt, userrec *user)
1569 {
1570         chanrec* Ptr;
1571         userrec* dest;
1572         int can_change;
1573         int direction = 1;
1574         char outpars[MAXBUF];
1575
1576         dest = Find(parameters[0]);
1577
1578         // fix: ChroNiCk found this - we cant use this as debug if its null!
1579         if (dest)
1580         {
1581                 log(DEBUG,"server_mode on %s",dest->nick);
1582         }
1583
1584         if ((dest) && (pcnt > 1))
1585         {
1586                 std::string tidied = compress_modes(parameters[1],false);
1587                 parameters[1] = (char*)tidied.c_str();
1588
1589                 char dmodes[MAXBUF];
1590                 strlcpy(dmodes,dest->modes,MAXBUF);
1591
1592                 strcpy(outpars,"+");
1593                 direction = 1;
1594
1595                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1596                         return;
1597
1598                 for (int i = 0; i < strlen(parameters[1]); i++)
1599                 {
1600                         if (parameters[1][i] == ' ')
1601                                 continue;
1602                         if (parameters[1][i] == '+')
1603                         {
1604                                 if (direction != 1)
1605                                 {
1606                                         int t = strlen(outpars)-1;
1607                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1608                                         {
1609                                                 outpars[t] = '+';
1610                                         }
1611                                         else
1612                                         {
1613                                                 strcat(outpars,"+");
1614                                         }
1615                                 }
1616                                 direction = 1;
1617                         }
1618                         else
1619                         if (parameters[1][i] == '-')
1620                         {
1621                                 if (direction != 0)
1622                                 {
1623                                         int t = strlen(outpars)-1;
1624                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1625                                         {
1626                                                 outpars[t] = '-';
1627                                         }
1628                                         else
1629                                         {
1630                                                 strcat(outpars,"-");
1631                                         }
1632                                 }
1633                                 direction = 0;
1634                         }
1635                         else
1636                         {
1637                                 log(DEBUG,"begin mode processing entry");
1638                                 can_change = 1;
1639                                 if (can_change)
1640                                 {
1641                                         if (direction == 1)
1642                                         {
1643                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1644                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
1645                                                 {
1646                                                         char umode = parameters[1][i];
1647                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1648                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1649                                                         {
1650                                                                 int v1 = strlen(dmodes);
1651                                                                 int v2 = strlen(outpars);
1652                                                                 dmodes[v1+1]='\0';
1653                                                                 dmodes[v1] = parameters[1][i];
1654                                                                 outpars[v2+1]='\0';
1655                                                                 outpars[v2] = parameters[1][i];
1656                                                         }
1657                                                 }
1658                                         }
1659                                         else
1660                                         {
1661                                                 // can only remove a mode they already have
1662                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1663                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
1664                                                 {
1665                                                         char umode = parameters[1][i];
1666                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1667                                                         if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1668                                                         {
1669                                                                 int q = 0;
1670                                                                 char temp[MAXBUF];
1671                                                                 char moo[MAXBUF];
1672
1673                                                                 int v1 = strlen(outpars);
1674                                                                 outpars[v1+1]='\0';
1675                                                                 outpars[v1] = parameters[1][i];
1676
1677                                                                 strcpy(temp,"");
1678                                                                 for (q = 0; q < strlen(dmodes); q++)
1679                                                                 {
1680                                                                         if (dmodes[q] != parameters[1][i])
1681                                                                         {
1682                                                                                 moo[0] = dmodes[q];
1683                                                                                 moo[1] = '\0';
1684                                                                                 strlcat(temp,moo,MAXBUF);
1685                                                                         }
1686                                                                 }
1687                                                                 strlcpy(dmodes,temp,MAXBUF);
1688                                                         }
1689                                                 }
1690                                         }
1691                                 }
1692                         }
1693                 }
1694                 if (outpars[0])
1695                 {
1696                         char b[MAXBUF];
1697                         strlcpy(b,"",MAXBUF);
1698                         int z = 0;
1699                         int i = 0;
1700                         while (i < strlen (outpars))
1701                         {
1702                                 b[z++] = outpars[i++];
1703                                 b[z] = '\0';
1704                                 if (i<strlen(outpars)-1)
1705                                 {
1706                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1707                                         {
1708                                                 // someones playing silly buggers and trying
1709                                                 // to put a +- or -+ into the line...
1710                                                 i++;
1711                                         }
1712                                 }
1713                                 if (i == strlen(outpars)-1)
1714                                 {
1715                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1716                                         {
1717                                                 i++;
1718                                         }
1719                                 }
1720                         }
1721
1722                         z = strlen(b)-1;
1723                         if ((b[z] == '-') || (b[z] == '+'))
1724                                 b[z] = '\0';
1725
1726                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
1727                                 return;
1728
1729                         if (strcmp(b,""))
1730                         {
1731                                 WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
1732                                 // M token for a usermode must go to all servers
1733                                 char buffer[MAXBUF];
1734                                 snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
1735                                 NetSendToAll(buffer);
1736                         }
1737
1738                         if (strlen(dmodes)>MAXMODES)
1739                         {
1740                                 dmodes[MAXMODES-1] = '\0';
1741                         }
1742                         log(DEBUG,"Stripped mode line");
1743                         log(DEBUG,"Line dest is now %s",dmodes);
1744                         strlcpy(dest->modes,dmodes,MAXMODES);
1745
1746                 }
1747
1748                 return;
1749         }
1750
1751         Ptr = FindChan(parameters[0]);
1752         if (Ptr)
1753         {
1754                 process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
1755         }
1756         else
1757         {
1758                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1759         }
1760 }
1761
1762
1763
1764 void merge_mode(char **parameters, int pcnt)
1765 {
1766         chanrec* Ptr;
1767         userrec* dest;
1768         int can_change;
1769         int direction = 1;
1770         char outpars[MAXBUF];
1771
1772         dest = Find(parameters[0]);
1773
1774         // fix: ChroNiCk found this - we cant use this as debug if its null!
1775         if (dest)
1776         {
1777                 log(DEBUG,"merge_mode on %s",dest->nick);
1778         }
1779
1780         if ((dest) && (pcnt > 1))
1781         {
1782                 std::string tidied = compress_modes(parameters[1],false);
1783                 parameters[1] = (char*)tidied.c_str();
1784
1785                 char dmodes[MAXBUF];
1786                 strlcpy(dmodes,dest->modes,MAXBUF);
1787
1788                 strcpy(outpars,"+");
1789                 direction = 1;
1790
1791                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1792                         return;
1793
1794                 for (int i = 0; i < strlen(parameters[1]); i++)
1795                 {
1796                         if (parameters[1][i] == ' ')
1797                                 continue;
1798                         if (parameters[1][i] == '+')
1799                         {
1800                                 if (direction != 1)
1801                                 {
1802                                         int t = strlen(outpars)-1;
1803                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1804                                         {
1805                                                 outpars[t] = '+';
1806                                         }
1807                                         else
1808                                         {
1809                                                 strcat(outpars,"+");
1810                                         }
1811                                 }
1812                                 direction = 1;
1813                         }
1814                         else
1815                         if (parameters[1][i] == '-')
1816                         {
1817                                 if (direction != 0)
1818                                 {
1819                                         int t = strlen(outpars)-1;
1820                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1821                                         {
1822                                                 outpars[t] = '-';
1823                                         }
1824                                         else
1825                                         {
1826                                                 strcat(outpars,"-");
1827                                         }
1828                                 }
1829                                 direction = 0;
1830                         }
1831                         else
1832                         {
1833                                 log(DEBUG,"begin mode processing entry");
1834                                 can_change = 1;
1835                                 if (can_change)
1836                                 {
1837                                         if (direction == 1)
1838                                         {
1839                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
1840                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
1841                                                 {
1842                                                         char umode = parameters[1][i];
1843                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1844                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1845                                                         {
1846                                                                 int v1 = strlen(dmodes);
1847                                                                 int v2 = strlen(outpars);
1848                                                                 dmodes[v1+1]='\0';
1849                                                                 dmodes[v1] = parameters[1][i];
1850                                                                 outpars[v2+1]='\0';
1851                                                                 outpars[v2] = parameters[1][i];
1852                                                         }
1853                                                 }
1854                                         }
1855                                         else
1856                                         {
1857                                                 // can only remove a mode they already have
1858                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
1859                                                 if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
1860                                                 {
1861                                                         char umode = parameters[1][i];
1862                                                         log(DEBUG,"umode %c is an allowed umode",umode);
1863                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
1864                                                         {
1865                                                                 int q = 0;
1866                                                                 char temp[MAXBUF];
1867                                                                 char moo[MAXBUF];
1868
1869                                                                 int v1 = strlen(outpars);
1870                                                                 outpars[v1+1]='\0';
1871                                                                 outpars[v1] = parameters[1][i];
1872
1873                                                                 strcpy(temp,"");
1874                                                                 for (q = 0; q < strlen(dmodes); q++)
1875                                                                 {
1876                                                                         if (dmodes[q] != parameters[1][i])
1877                                                                         {
1878                                                                                 moo[0] = dmodes[q];
1879                                                                                 moo[1] = '\0';
1880                                                                                 strlcat(temp,moo,MAXBUF);
1881                                                                         }
1882                                                                 }
1883                                                                 strlcpy(dmodes,temp,MAXBUF);
1884                                                         }
1885                                                 }
1886                                         }
1887                                 }
1888                         }
1889                 }
1890                 if (outpars[0])
1891                 {
1892                         char b[MAXBUF];
1893                         strcpy(b,"");
1894                         int z = 0;
1895                         int i = 0;
1896                         while (i < strlen (outpars))
1897                         {
1898                                 b[z++] = outpars[i++];
1899                                 b[z] = '\0';
1900                                 if (i<strlen(outpars)-1)
1901                                 {
1902                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
1903                                         {
1904                                                 // someones playing silly buggers and trying
1905                                                 // to put a +- or -+ into the line...
1906                                                 i++;
1907                                         }
1908                                 }
1909                                 if (i == strlen(outpars)-1)
1910                                 {
1911                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
1912                                         {
1913                                                 i++;
1914                                         }
1915                                 }
1916                         }
1917
1918                         z = strlen(b)-1;
1919                         if ((b[z] == '-') || (b[z] == '+'))
1920                                 b[z] = '\0';
1921
1922                         if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
1923                                 return;
1924
1925                         if (strlen(dmodes)>MAXMODES)
1926                         {
1927                                 dmodes[MAXMODES-1] = '\0';
1928                         }
1929                         log(DEBUG,"Stripped mode line");
1930                         log(DEBUG,"Line dest is now %s",dmodes);
1931                         strlcpy(dest->modes,dmodes,MAXMODES);
1932
1933                 }
1934
1935                 return;
1936         }
1937
1938         Ptr = FindChan(parameters[0]);
1939         if (Ptr)
1940         {
1941                 userrec s2;
1942                 strlcpy(s2.nick,ServerName,NICKMAX);
1943                 strcpy(s2.modes,"o");
1944                 s2.fd = -1;
1945                 process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
1946         }
1947 }
1948
1949
1950 void merge_mode2(char **parameters, int pcnt, userrec* user)
1951 {
1952         chanrec* Ptr;
1953         userrec* dest;
1954         int can_change;
1955         int direction = 1;
1956         char outpars[MAXBUF];
1957
1958         dest = Find(parameters[0]);
1959
1960         // fix: ChroNiCk found this - we cant use this as debug if its null!
1961         if (dest)
1962         {
1963                 log(DEBUG,"merge_mode2 on %s",dest->nick);
1964         }
1965
1966         if ((dest) && (pcnt > 1))
1967         {
1968                 std::string tidied = compress_modes(parameters[1],false);
1969                 parameters[1] = (char*)tidied.c_str();
1970
1971                 char dmodes[MAXBUF];
1972                 strlcpy(dmodes,dest->modes,MAXBUF);
1973
1974                 strcpy(outpars,"+");
1975                 direction = 1;
1976
1977                 if ((parameters[1][0] == ':') && (strlen(parameters[1])>1))
1978                 {
1979                         // some stupid 3rd party things (such as services packages) put a colon on the mode list...
1980                         log(DEBUG,"Some muppet put a colon on the modelist! changed to '%s'",++parameters[1]);
1981                 }
1982                 if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
1983                 return;
1984
1985                 for (int i = 0; i < strlen(parameters[1]); i++)
1986                 {
1987                         if (parameters[1][i] == ' ')
1988                                 continue;
1989                         if (parameters[1][i] == '+')
1990                         {
1991                                 if (direction != 1)
1992                                 {
1993                                         int t = strlen(outpars)-1;
1994                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
1995                                         {
1996                                                 outpars[t] = '+';
1997                                         }
1998                                         else
1999                                         {
2000                                                 strcat(outpars,"+");
2001                                         }
2002                                 }
2003                                 direction = 1;
2004                         }
2005                         else
2006                         if (parameters[1][i] == '-')
2007                         {
2008                                 if (direction != 0)
2009                                 {
2010                                         int t = strlen(outpars)-1;
2011                                         if ((outpars[t] == '+') || (outpars[t] == '-'))
2012                                         {
2013                                                 outpars[t] = '-';
2014                                         }
2015                                         else
2016                                         {
2017                                                 strcat(outpars,"-");
2018                                         }
2019                                 }
2020                                 direction = 0;
2021                         }
2022                         else
2023                         {
2024                                 log(DEBUG,"begin mode processing entry");
2025                                 can_change = 1;
2026                                 if (can_change)
2027                                 {
2028                                         if (direction == 1)
2029                                         {
2030                                                 log(DEBUG,"umode %c being added",parameters[1][i]);
2031                                                 if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
2032                                                 {
2033                                                         char umode = parameters[1][i];
2034                                                         log(DEBUG,"umode %c is an allowed umode",umode);
2035                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2036                                                         {
2037                                                                 int v1 = strlen(dmodes);
2038                                                                 int v2 = strlen(outpars);
2039                                                                 dmodes[v1+1]='\0';
2040                                                                 dmodes[v1] = parameters[1][i];
2041                                                                 outpars[v2+1]='\0';
2042                                                                 outpars[v2] = parameters[1][i];
2043                                                                 log(DEBUG,"OUTPARS='%s', DMODES='%s'",outpars,dmodes);
2044                                                         }
2045                                                 }
2046                                         }
2047                                         else
2048                                         {
2049                                                 // can only remove a mode they already have
2050                                                 log(DEBUG,"umode %c being removed",parameters[1][i]);
2051                                                 if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
2052                                                 {
2053                                                         char umode = parameters[1][i];
2054                                                         log(DEBUG,"umode %c is an allowed umode",umode);
2055                                                         if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
2056                                                         {
2057                                                                 int q = 0;
2058                                                                 char temp[MAXBUF];
2059                                                                 char moo[MAXBUF];
2060
2061                                                                 int v1 = strlen(outpars);
2062                                                                 outpars[v1+1]='\0';
2063                                                                 outpars[v1] = parameters[1][i];
2064
2065                                                                 strcpy(temp,"");
2066                                                                 for (q = 0; q < strlen(dmodes); q++)
2067                                                                 {
2068                                                                         if (dmodes[q] != parameters[1][i])
2069                                                                         {
2070                                                                                 moo[0] = dmodes[q];
2071                                                                                 moo[1] = '\0';
2072                                                                                 strlcat(temp,moo,MAXBUF);
2073                                                                         }
2074                                                                 }
2075                                                                 strlcpy(dmodes,temp,MAXBUF);
2076                                                         }
2077                                                 }
2078                                         }
2079                                 }
2080                         }
2081                 }
2082                 log(DEBUG,"DONE! OUTPARS='%s', DMODES='%s'",outpars,dmodes);
2083                 if (outpars[0])
2084                 {
2085                         char b[MAXBUF];
2086                         strcpy(b,"");
2087                         int z = 0;
2088                         int i = 0;
2089                         while (i < strlen (outpars))
2090                         {
2091                                 b[z++] = outpars[i++];
2092                                 b[z] = '\0';
2093                                 if (i<strlen(outpars)-1)
2094                                 {
2095                                         if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
2096                                         {
2097                                                 // someones playing silly buggers and trying
2098                                                 // to put a +- or -+ into the line...
2099                                                 i++;
2100                                         }
2101                                 }
2102                                 if (i == strlen(outpars)-1)
2103                                 {
2104                                         if ((outpars[i] == '-') || (outpars[i] == '+'))
2105                                         {
2106                                                 i++;
2107                                         }
2108                                 }
2109                         }
2110
2111                         z = strlen(b)-1;
2112                         if ((b[z] == '-') || (b[z] == '+'))
2113                                 b[z] = '\0';
2114
2115
2116                         if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
2117                                 return;
2118
2119                         if (strcmp(b,""))
2120                         {
2121                                 WriteTo(user,dest,"MODE %s :%s",dest->nick,b);
2122                                 log(DEBUG,"Sent: :%s MODE %s",user->nick,b);
2123                         }
2124
2125                         if (strlen(dmodes)>MAXMODES)
2126                         {
2127                                 dmodes[MAXMODES-1] = '\0';
2128                         }
2129                         log(DEBUG,"Stripped mode line");
2130                         log(DEBUG,"Line dest is now %s",dmodes);
2131                         strlcpy(dest->modes,dmodes,MAXMODES);
2132                 }
2133
2134                 return;
2135         }
2136
2137         Ptr = FindChan(parameters[0]);
2138         if (Ptr)
2139         {
2140                 log(DEBUG,"merge_mode2: found channel %s",Ptr->name);
2141                 if (Ptr)
2142                 {
2143                         if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server)))
2144                         {
2145                                 return;
2146                         }
2147                         process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
2148                 }
2149         }
2150 }
2151
2152