src/mode.cpp

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