src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include "inspircd_config.h"
  20 #include "inspircd.h"
  21 #include "inspircd_io.h"
  22 #include "inspircd_util.h"
  23 #include <unistd.h>
  24 #include <sys/errno.h>
  25 #include <sys/ioctl.h>
  26 #include <sys/utsname.h>
  27 #include <cstdio>
  28 #include <time.h>
  29 #include <string>
  30 #ifdef GCC3
  31 #include <ext/hash_map>
  32 #else
  33 #include <hash_map>
  34 #endif
  35 #include <map>
  36 #include <sstream>
  37 #include <vector>
  38 #include <deque>
  39 #include <sys/types.h>
  40 #include <sys/time.h>
  41 #include <sys/resource.h>
  42 #ifdef THREADED_DNS
  43 #include <pthread.h>
  44 #endif
  45 #ifndef RUSAGE_SELF
  46 #define   RUSAGE_SELF     0
  47 #define   RUSAGE_CHILDREN     -1
  48 #endif
  49 #include "users.h"
  50 #include "ctables.h"
  51 #include "globals.h"
  52 #include "modules.h"
  53 #include "dynamic.h"
  54 #include "wildcard.h"
  55 #include "message.h"
  56 #include "commands.h"
  57 #include "mode.h"
  58 #include "xline.h"
  59 #include "inspstring.h"
  60 #include "dnsqueue.h"
  61 #include "helperfuncs.h"
  62 #include "hashcomp.h"
  63 #include "socketengine.h"
  64
  65 extern SocketEngine* SE;
  66
  67 extern int MODCOUNT;
  68 extern std::vector<Module*> modules;
  69 extern std::vector<ircd_module*> factory;
  70
  71 extern int LogLevel;
  72 extern char ServerName[MAXBUF];
  73 extern char Network[MAXBUF];
  74 extern char ServerDesc[MAXBUF];
  75 extern char AdminName[MAXBUF];
  76 extern char AdminEmail[MAXBUF];
  77 extern char AdminNick[MAXBUF];
  78 extern char diepass[MAXBUF];
  79 extern char restartpass[MAXBUF];
  80 extern char motd[MAXBUF];
  81 extern char rules[MAXBUF];
  82 extern char list[MAXBUF];
  83 extern char PrefixQuit[MAXBUF];
  84 extern char DieValue[MAXBUF];
  85
  86 extern int debugging;
  87 extern int WHOWAS_STALE;
  88 extern int WHOWAS_MAX;
  89 extern int DieDelay;
  90 extern time_t startup_time;
  91 extern int NetBufferSize;
  92 extern int MaxWhoResults;
  93 extern time_t nb_start;
  94
  95 extern bool nofork;
  96
  97 extern time_t TIME;
  98
  99 extern std::vector<std::string> module_names;
 100
 101 extern char MyExecutable[1024];
 102 extern int boundPortCount;
 103 extern int portCount;
 104
 105 extern int ports[MAXSOCKS];
 106
 107 extern std::stringstream config_f;
 108
 109
 110
 111 extern FILE *log_file;
 112
 113 extern ClassVector Classes;
 114
 115 const long duration_m = 60;
 116 const long duration_h = duration_m * 60;
 117 const long duration_d = duration_h * 24;
 118 const long duration_w = duration_d * 7;
 119 const long duration_y = duration_w * 52;
 120
 121 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, irc::StrHashComp> user_hash;
 122 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, irc::StrHashComp> chan_hash;
 123 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, irc::InAddr_HashComp> address_cache;
 124 typedef nspace::hash_map<std::string, WhoWasUser*, nspace::hash<string>, irc::StrHashComp> whowas_hash;
 125 typedef std::deque<command_t> command_table;
 126
 127
 128 extern user_hash clientlist;
 129 extern chan_hash chanlist;
 130 extern whowas_hash whowas;
 131 extern command_table cmdlist;
 132 extern file_cache MOTD;
 133 extern file_cache RULES;
 134 extern address_cache IP;
 135
 136 extern std::vector<userrec*> all_opers;
 137
 138 // This table references users by file descriptor.
 139 // its an array to make it VERY fast, as all lookups are referenced
 140 // by an integer, meaning there is no need for a scan/search operation.
 141 extern userrec* fd_ref_table[65536];
 142
 143 extern int statsAccept,statsRefused,statsUnknown,statsCollisions,statsDns,statsDnsGood,statsDnsBad,statsConnects,statsSent,statsRecv;
 144
 145 void handle_join(char **parameters, int pcnt, userrec *user)
 146 {
 147         chanrec* Ptr;
 148
 149         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 150                 return;
 151         if (parameters[0][0] == '#')
 152         {
 153                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 154         }
 155 }
 156
 157
 158 void handle_part(char **parameters, int pcnt, userrec *user)
 159 {
 160         if (pcnt > 1)
 161         {
 162                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 163                         return;
 164                 del_channel(user,parameters[0],parameters[1],false);
 165         }
 166         else
 167         {
 168                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 169                         return;
 170                 del_channel(user,parameters[0],NULL,false);
 171         }
 172 }
 173
 174 void handle_commands(char **parameters, int pcnt, userrec *user)
 175 {
 176         for (unsigned int i = 0; i < cmdlist.size(); i++)
 177         {
 178                 WriteServ(user->fd,"902 %s :%s %s %d",user->nick,cmdlist[i].command,cmdlist[i].source,cmdlist[i].min_params);
 179         }
 180         WriteServ(user->fd,"903 %s :End of COMMANDS list",user->nick);
 181 }
 182
 183 void handle_kick(char **parameters, int pcnt, userrec *user)
 184 {
 185         chanrec* Ptr = FindChan(parameters[0]);
 186         userrec* u   = Find(parameters[1]);
 187
 188         if ((!u) || (!Ptr))
 189         {
 190                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 191                 return;
 192         }
 193
 194         if ((!has_channel(user,Ptr)) && (!is_uline(user->server)))
 195         {
 196                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 197                 return;
 198         }
 199
 200         char reason[MAXBUF];
 201
 202         if (pcnt > 2)
 203         {
 204                 strlcpy(reason,parameters[2],MAXBUF);
 205                 if (strlen(reason)>MAXKICK)
 206                 {
 207                         reason[MAXKICK-1] = '\0';
 208                 }
 209
 210                 kick_channel(user,u,Ptr,reason);
 211         }
 212         else
 213         {
 214                 strlcpy(reason,user->nick,MAXBUF);
 215                 kick_channel(user,u,Ptr,reason);
 216         }
 217
 218 }
 219
 220 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 221 {
 222         if (LoadModule(parameters[0]))
 223         {
 224                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 225                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 226         }
 227         else
 228         {
 229                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 230         }
 231 }
 232
 233 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 234 {
 235         if (UnloadModule(parameters[0]))
 236         {
 237                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 238                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 239         }
 240         else
 241         {
 242                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 243         }
 244 }
 245
 246 void handle_die(char **parameters, int pcnt, userrec *user)
 247 {
 248         log(DEBUG,"die: %s",user->nick);
 249         if (!strcmp(parameters[0],diepass))
 250         {
 251                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 252                 sleep(DieDelay);
 253                 Exit(ERROR);
 254         }
 255         else
 256         {
 257                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 258         }
 259 }
 260
 261 void handle_restart(char **parameters, int pcnt, userrec *user)
 262 {
 263         char *argv[32];
 264         log(DEFAULT,"Restart: %s",user->nick);
 265         if (!strcmp(parameters[0],restartpass))
 266         {
 267                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 268
 269                 argv[0] = MyExecutable;
 270                 argv[1] = "-wait";
 271                 if (nofork)
 272                 {
 273                         argv[2] = "-nofork";
 274                 }
 275                 else
 276                 {
 277                         argv[2] = NULL;
 278                 }
 279                 argv[3] = NULL;
 280
 281                 // close ALL file descriptors
 282                 send_error("Server restarting.");
 283                 sleep(1);
 284                 for (int i = 0; i < 65536; i++)
 285                 {
 286                         shutdown(i,2);
 287                         close(i);
 288                 }
 289                 sleep(2);
 290
 291                 execv(MyExecutable,argv);
 292
 293                 exit(0);
 294         }
 295         else
 296         {
 297                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 298         }
 299 }
 300
 301 void handle_kill(char **parameters, int pcnt, userrec *user)
 302 {
 303         userrec *u = Find(parameters[0]);
 304         char killreason[MAXBUF];
 305
 306         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 307         if (u)
 308         {
 309                 log(DEBUG,"into kill mechanism");
 310                 int MOD_RESULT = 0;
 311                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 312                 if (MOD_RESULT) {
 313                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 314                         return;
 315                 }
 316
 317                 if (strcmp(ServerName,u->server))
 318                 {
 319                         // remote kill
 320                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 321                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 322                         WriteCommonExcept(u,"QUIT :%s",killreason);
 323
 324                         FOREACH_MOD OnRemoteKill(user,u,killreason);
 325
 326                         user_hash::iterator iter = clientlist.find(u->nick);
 327                         if (iter != clientlist.end())
 328                         {
 329                                 log(DEBUG,"deleting user hash value %d",iter->second);
 330                                 clientlist.erase(iter);
 331                         }
 332                         if (u->registered == 7)
 333                         {
 334                                 purge_empty_chans(u);
 335                         }
 336                         if (u->fd > -1)
 337                                 fd_ref_table[u->fd] = NULL;
 338                         delete u;
 339                 }
 340                 else
 341                 {
 342                         // local kill
 343                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 344                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 345                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 346                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 347                         kill_link(u,killreason);
 348                 }
 349         }
 350         else
 351         {
 352                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 353         }
 354 }
 355
 356 void handle_summon(char **parameters, int pcnt, userrec *user)
 357 {
 358         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 359 }
 360
 361 void handle_users(char **parameters, int pcnt, userrec *user)
 362 {
 363         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 364 }
 365
 366 void handle_pass(char **parameters, int pcnt, userrec *user)
 367 {
 368         // Check to make sure they havnt registered -- Fix by FCS
 369         if (user->registered == 7)
 370         {
 371                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 372                 return;
 373         }
 374         strlcpy(user->password,parameters[0],MAXBUF);
 375         if (!strcasecmp(parameters[0],Passwd(user)))
 376         {
 377                 user->haspassed = true;
 378         }
 379 }
 380
 381 void handle_invite(char **parameters, int pcnt, userrec *user)
 382 {
 383         if (pcnt == 2)
 384         {
 385                 userrec* u = Find(parameters[0]);
 386                 chanrec* c = FindChan(parameters[1]);
 387
 388                 if ((!c) || (!u))
 389                 {
 390                         if (!c)
 391                         {
 392                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 393                         }
 394                         else
 395                         {
 396                                 if (c->binarymodes & CM_INVITEONLY)
 397                                 {
 398                                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 399                                 }
 400                         }
 401
 402                         return;
 403                 }
 404
 405                 if (c->binarymodes & CM_INVITEONLY)
 406                 {
 407                         if (cstatus(user,c) < STATUS_HOP)
 408                         {
 409                                 WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 410                                 return;
 411                         }
 412                 }
 413                 if (has_channel(u,c))
 414                 {
 415                         WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 416                         return;
 417                 }
 418                 if (!has_channel(user,c))
 419                 {
 420                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 421                         return;
 422                 }
 423
 424                 int MOD_RESULT = 0;
 425                 FOREACH_RESULT(OnUserPreInvite(user,u,c));
 426                 if (MOD_RESULT == 1) {
 427                         return;
 428                 }
 429
 430                 u->InviteTo(c->name);
 431                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 432                 WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 433                 FOREACH_MOD OnUserInvite(user,u,c);
 434         }
 435         else
 436         {
 437                 // pinched from ircu - invite with not enough parameters shows channels
 438                 // youve been invited to but haven't joined yet.
 439                 InvitedList* il = user->GetInviteList();
 440                 for (InvitedList::iterator i = il->begin(); i != il->end(); i++)
 441                 {
 442                         if (i->channel) {
 443                                 WriteServ(user->fd,"346 %s :%s",user->nick,i->channel);
 444                         }
 445                 }
 446                 WriteServ(user->fd,"347 %s :End of INVITE list",user->nick);
 447         }
 448 }
 449
 450 void handle_topic(char **parameters, int pcnt, userrec *user)
 451 {
 452         chanrec* Ptr;
 453
 454         if (pcnt == 1)
 455         {
 456                 if (strlen(parameters[0]) <= CHANMAX)
 457                 {
 458                         Ptr = FindChan(parameters[0]);
 459                         if (Ptr)
 460                         {
 461                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->binarymodes & CM_SECRET))
 462                                 {
 463                                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, Ptr->name);
 464                                         return;
 465                                 }
 466                                 if (Ptr->topicset)
 467                                 {
 468                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 469                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 470                                 }
 471                                 else
 472                                 {
 473                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 474                                 }
 475                         }
 476                         else
 477                         {
 478                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 479                         }
 480                 }
 481                 return;
 482         }
 483         else if (pcnt>1)
 484         {
 485                 if (strlen(parameters[0]) <= CHANMAX)
 486                 {
 487                         Ptr = FindChan(parameters[0]);
 488                         if (Ptr)
 489                         {
 490                                 if ((Ptr) && (!has_channel(user,Ptr)))
 491                                 {
 492                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 493                                         return;
 494                                 }
 495                                 if ((Ptr->binarymodes & CM_TOPICLOCK) && (cstatus(user,Ptr)<STATUS_HOP))
 496                                 {
 497                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 498                                         return;
 499                                 }
 500
 501                                 char topic[MAXBUF];
 502                                 strlcpy(topic,parameters[1],MAXBUF);
 503                                 if (strlen(topic)>MAXTOPIC)
 504                                 {
 505                                         topic[MAXTOPIC] = '\0';
 506                                 }
 507
 508                                 if (!strcasecmp(user->server,ServerName))
 509                                 {
 510                                         int MOD_RESULT = 0;
 511                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 512                                         if (MOD_RESULT)
 513                                                 return;
 514                                 }
 515
 516                                 strlcpy(Ptr->topic,topic,MAXTOPIC);
 517                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 518                                 Ptr->topicset = TIME;
 519                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 520                                 if (!strcasecmp(user->server,ServerName))
 521                                 {
 522                                         FOREACH_MOD OnPostLocalTopicChange(user,Ptr,topic);
 523                                 }
 524                         }
 525                         else
 526                         {
 527                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 528                         }
 529                 }
 530         }
 531 }
 532
 533 void handle_names(char **parameters, int pcnt, userrec *user)
 534 {
 535         chanrec* c;
 536
 537         if (!pcnt)
 538         {
 539                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 540                 return;
 541         }
 542
 543         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 544                 return;
 545         c = FindChan(parameters[0]);
 546         if (c)
 547         {
 548                 if (((c) && (!has_channel(user,c))) && (c->binarymodes & CM_SECRET))
 549                 {
 550                       WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, c->name);
 551                       return;
 552                 }
 553                 userlist(user,c);
 554                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 555         }
 556         else
 557         {
 558                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 559         }
 560 }
 561
 562 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 563 {
 564         userrec *dest;
 565         chanrec *chan;
 566
 567         user->idle_lastmsg = TIME;
 568
 569         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 570                 return;
 571         if (parameters[0][0] == '$')
 572         {
 573                 // notice to server mask
 574                 char* servermask = parameters[0];
 575                 servermask++;
 576                 if (match(ServerName,servermask))
 577                 {
 578                         ServerPrivmsgAll("%s",parameters[1]);
 579                 }
 580                 return;
 581         }
 582         else if (parameters[0][0] == '#')
 583         {
 584                 chan = FindChan(parameters[0]);
 585                 if (chan)
 586                 {
 587                         if ((chan->binarymodes & CM_NOEXTERNAL) && (!has_channel(user,chan)))
 588                         {
 589                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 590                                 return;
 591                         }
 592                         if ((chan->binarymodes & CM_MODERATED) && (cstatus(user,chan)<STATUS_VOICE))
 593                         {
 594                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 595                                 return;
 596                         }
 597
 598                         int MOD_RESULT = 0;
 599
 600                         std::string temp = parameters[1];
 601                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 602                         if (MOD_RESULT) {
 603                                 return;
 604                         }
 605                         parameters[1] = (char*)temp.c_str();
 606
 607                         if (temp == "")
 608                         {
 609                                 WriteServ(user->fd,"412 %s No text to send", user->nick);
 610                                 return;
 611                         }
 612
 613                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 614                         FOREACH_MOD OnUserMessage(user,chan,TYPE_CHANNEL,parameters[1]);
 615                 }
 616                 else
 617                 {
 618                         /* no such nick/channel */
 619                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 620                 }
 621                 return;
 622         }
 623
 624         log(DEBUG,"*** PRIVMSG HANDLER");
 625         dest = Find(parameters[0]);
 626         if (dest)
 627         {
 628                 log(DEBUG,"*** FOUND NICK %s",dest->nick);
 629                 if (strcmp(dest->awaymsg,""))
 630                 {
 631                         /* auto respond with aweh msg */
 632                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 633                 }
 634
 635                 int MOD_RESULT = 0;
 636
 637                 std::string temp = parameters[1];
 638                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 639                 if (MOD_RESULT) {
 640                         return;
 641                 }
 642                 parameters[1] = (char*)temp.c_str();
 643
 644                 if (!strcmp(dest->server,ServerName))
 645                 {
 646                         // direct write, same server
 647                         log(DEBUG,"*** CALL WRITETO");
 648                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 649                 }
 650
 651                 FOREACH_MOD OnUserMessage(user,dest,TYPE_USER,parameters[1]);
 652         }
 653         else
 654         {
 655                 /* no such nick/channel */
 656                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 657         }
 658 }
 659
 660 void handle_notice(char **parameters, int pcnt, userrec *user)
 661 {
 662         userrec *dest;
 663         chanrec *chan;
 664
 665         user->idle_lastmsg = TIME;
 666
 667         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 668                 return;
 669         if (parameters[0][0] == '$')
 670         {
 671                 // notice to server mask
 672                 char* servermask = parameters[0];
 673                 servermask++;
 674                 if (match(ServerName,servermask))
 675                 {
 676                         NoticeAll(user, true, "%s",parameters[1]);
 677                 }
 678                 return;
 679         }
 680         else if (parameters[0][0] == '#')
 681         {
 682                 chan = FindChan(parameters[0]);
 683                 if (chan)
 684                 {
 685                         if ((chan->binarymodes & CM_NOEXTERNAL) && (!has_channel(user,chan)))
 686                         {
 687                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 688                                 return;
 689                         }
 690                         if ((chan->binarymodes & CM_MODERATED) && (cstatus(user,chan)<STATUS_VOICE))
 691                         {
 692                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 693                                 return;
 694                         }
 695
 696                         int MOD_RESULT = 0;
 697
 698                         std::string temp = parameters[1];
 699                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 700                         if (MOD_RESULT) {
 701                                 return;
 702                         }
 703                         parameters[1] = (char*)temp.c_str();
 704
 705                         if (temp == "")
 706                         {
 707                                 WriteServ(user->fd,"412 %s No text to send", user->nick);
 708                                 return;
 709                         }
 710
 711                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 712
 713                         FOREACH_MOD OnUserNotice(user,chan,TYPE_CHANNEL,parameters[1]);
 714                 }
 715                 else
 716                 {
 717                         /* no such nick/channel */
 718                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 719                 }
 720                 return;
 721         }
 722
 723         dest = Find(parameters[0]);
 724         if (dest)
 725         {
 726                 int MOD_RESULT = 0;
 727
 728                 std::string temp = parameters[1];
 729                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 730                 if (MOD_RESULT) {
 731                         return;
 732                 }
 733                 parameters[1] = (char*)temp.c_str();
 734
 735                 if (!strcmp(dest->server,ServerName))
 736                 {
 737                         // direct write, same server
 738                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 739                 }
 740
 741                 FOREACH_MOD OnUserNotice(user,dest,TYPE_USER,parameters[1]);
 742         }
 743         else
 744         {
 745                 /* no such nick/channel */
 746                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 747         }
 748 }
 749
 750 void handle_server(char **parameters, int pcnt, userrec *user)
 751 {
 752         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 753         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 754 }
 755
 756 void handle_info(char **parameters, int pcnt, userrec *user)
 757 {
 758         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 759         WriteServ(user->fd,"371 %s : ",user->nick);
 760         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 761         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 762         WriteServ(user->fd,"371 %s : ",user->nick);
 763         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 764         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 765         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 766         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 767         WriteServ(user->fd,"371 %s : ",user->nick);
 768         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 769         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 770         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 771         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 772         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 773         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 774         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 775         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 776         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 777         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 778         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 779         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 780         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 781         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 782         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 783         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 784         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 785         WriteServ(user->fd,"371 %s :                 ThaPrince",user->nick);
 786         WriteServ(user->fd,"371 %s : ",user->nick);
 787         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 788         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 789         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 790         WriteServ(user->fd,"371 %s :this software.",user->nick);
 791         WriteServ(user->fd,"371 %s : ",user->nick);
 792         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 793         FOREACH_MOD OnInfo(user);
 794         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 795 }
 796
 797 void handle_time(char **parameters, int pcnt, userrec *user)
 798 {
 799         time_t rawtime;
 800         struct tm * timeinfo;
 801
 802         time ( &rawtime );
 803         timeinfo = localtime ( &rawtime );
 804         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 805
 806 }
 807
 808 void handle_whois(char **parameters, int pcnt, userrec *user)
 809 {
 810         userrec *dest;
 811         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 812                 return;
 813         dest = Find(parameters[0]);
 814         if (dest)
 815         {
 816                 do_whois(user,dest,0,0,parameters[0]);
 817         }
 818         else
 819         {
 820                 /* no such nick/channel */
 821                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 822                 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, parameters[0]);
 823         }
 824 }
 825
 826 void split_chlist(userrec* user, userrec* dest, std::string &cl)
 827 {
 828         std::stringstream channels(cl);
 829         std::string line = "";
 830         std::string cname = "";
 831         while (!channels.eof())
 832         {
 833                 channels >> cname;
 834                 line = line + cname + " ";
 835                 if (line.length() > 400)
 836                 {
 837                         WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, line.c_str());
 838                         line = "";
 839                 }
 840         }
 841         if (line.length())
 842         {
 843                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, line.c_str());
 844         }
 845 }
 846
 847 void do_whois(userrec* user, userrec* dest,unsigned long signon, unsigned long idle, char* nick)
 848 {
 849         // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 850         if (dest->registered == 7)
 851         {
 852                 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 853                 if ((user == dest) || (strchr(user->modes,'o')))
 854                 {
 855                         WriteServ(user->fd,"378 %s %s :is connecting from *@%s %s",user->nick, dest->nick, dest->host, dest->ip);
 856                 }
 857                 std::string cl = chlist(dest,user);
 858                 if (cl.length())
 859                 {
 860                         if (cl.length() > 400)
 861                         {
 862                                 split_chlist(user,dest,cl);
 863                         }
 864                         else
 865                         {
 866                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, cl.c_str());
 867                         }
 868                 }
 869                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 870                 if (*dest->awaymsg)
 871                 {
 872                         WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 873                 }
 874                 if (strchr(dest->modes,'o'))
 875                 {
 876                         if (*dest->oper)
 877                         {
 878                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick, (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 879                         }
 880                         else
 881                         {
 882                                 WriteServ(user->fd,"313 %s %s :is opered but has an unknown type",user->nick, dest->nick);
 883                         }
 884                 }
 885                 if ((!signon) && (!idle))
 886                 {
 887                         FOREACH_MOD OnWhois(user,dest);
 888                 }
 889                 if (!strcasecmp(user->server,dest->server))
 890                 {
 891                         // idle time and signon line can only be sent if youre on the same server (according to RFC)
 892                         WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 893                 }
 894                 else
 895                 {
 896                         if ((idle) || (signon))
 897                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, idle, signon);
 898                 }
 899                 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 900         }
 901         else
 902         {
 903                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, nick);
 904                 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, nick);
 905         }
 906 }
 907
 908 void handle_quit(char **parameters, int pcnt, userrec *user)
 909 {
 910         user_hash::iterator iter = clientlist.find(user->nick);
 911         char* reason;
 912
 913         if (user->registered == 7)
 914         {
 915                 /* theres more to do here, but for now just close the socket */
 916                 if (pcnt == 1)
 917                 {
 918                         if (parameters[0][0] == ':')
 919                         {
 920                                 *parameters[0]++;
 921                         }
 922                         reason = parameters[0];
 923
 924                         if (strlen(reason)>MAXQUIT)
 925                         {
 926                                 reason[MAXQUIT-1] = '\0';
 927                         }
 928
 929                         /* We should only prefix the quit for a local user. Remote users have
 930                          * already been prefixed, where neccessary, by the upstream server.
 931                          */
 932                         if (!strcasecmp(user->server,ServerName))
 933                         {
 934                                 Write(user->fd,"ERROR :Closing link (%s@%s) [%s%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 935                                 WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,parameters[0]);
 936                                 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 937                         }
 938                         else
 939                         {
 940                                 WriteOpers("*** Client exiting at %s: %s!%s@%s [%s]",user->server,user->nick,user->ident,user->host,parameters[0]);
 941                                 WriteCommonExcept(user,"QUIT :%s",parameters[0]);
 942                         }
 943                         FOREACH_MOD OnUserQuit(user,std::string(PrefixQuit)+std::string(parameters[0]));
 944
 945                 }
 946                 else
 947                 {
 948                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 949                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 950                         WriteCommonExcept(user,"QUIT :Client exited");
 951                         FOREACH_MOD OnUserQuit(user,"Client exited");
 952
 953                 }
 954                 AddWhoWas(user);
 955         }
 956
 957         FOREACH_MOD OnUserDisconnect(user);
 958
 959         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 960         if (user->fd > -1)
 961         {
 962                 SE->DelFd(user->fd);
 963                 user->CloseSocket();
 964         }
 965
 966         if (iter != clientlist.end())
 967         {
 968                 clientlist.erase(iter);
 969         }
 970
 971         if (user->registered == 7) {
 972                 purge_empty_chans(user);
 973         }
 974         if (user->fd > -1)
 975                 fd_ref_table[user->fd] = NULL;
 976         delete user;
 977 }
 978
 979 void handle_who(char **parameters, int pcnt, userrec *user)
 980 {
 981         chanrec* Ptr = NULL;
 982         char tmp[10];
 983
 984         /* theres more to do here, but for now just close the socket */
 985         if (pcnt == 1)
 986         {
 987                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 988                 {
 989                         if ((user->chans.size()) && (user->chans[0].channel))
 990                         {
 991                                 int n_list = 0;
 992                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 993                                 {
 994                                         Ptr = i->second->chans[0].channel;
 995                                         // suggested by phidjit and FCS
 996                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 997                                         {
 998                                                 // Bug Fix #29
 999                                                 strcpy(tmp, "");
1000                                                 if (strcmp(i->second->awaymsg, "")) {
1001                                                         strlcat(tmp, "G", 9);
1002                                                 } else {
1003                                                         strlcat(tmp, "H", 9);
1004                                                 }
1005                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
1006                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr ? Ptr->name : "*", i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1007                                                 n_list++;
1008                                                 if (n_list > MaxWhoResults)
1009                                                 {
1010                                                         WriteServ(user->fd,"523 %s WHO :Command aborted: More results than configured limit",user->nick);
1011                                                         break;
1012                                                 }
1013                                         }
1014                                 }
1015                         }
1016                         if (Ptr)
1017                         {
1018                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
1019                         }
1020                         else
1021                         {
1022                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1023                         }
1024                         return;
1025                 }
1026                 if (parameters[0][0] == '#')
1027                 {
1028                         Ptr = FindChan(parameters[0]);
1029                         if (Ptr)
1030                         {
1031                                 int n_list = 0;
1032                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1033                                 {
1034                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1035                                         {
1036                                                 // Fix Bug #29 - Part 2..
1037                                                 strcpy(tmp, "");
1038                                                 if (strcmp(i->second->awaymsg, "")) {
1039                                                         strlcat(tmp, "G", 9);
1040                                                 } else {
1041                                                         strlcat(tmp, "H", 9);
1042                                                 }
1043                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
1044                                                 strlcat(tmp, cmode(i->second, Ptr),5);
1045                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1046                                                 n_list++;
1047                                                 if (n_list > MaxWhoResults)
1048                                                 {
1049                                                         WriteServ(user->fd,"523 %s WHO :Command aborted: More results than configured limit",user->nick);
1050                                                         break;
1051                                                 }
1052
1053                                         }
1054                                 }
1055                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1056                         }
1057                         else
1058                         {
1059                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1060                         }
1061                 }
1062                 else
1063                 {
1064                         userrec* u = Find(parameters[0]);
1065                         if (u)
1066                         {
1067                                 // Bug Fix #29 -- Part 29..
1068                                 strcpy(tmp, "");
1069                                 if (strcmp(u->awaymsg, "")) {
1070                                         strlcat(tmp, "G" ,9);
1071                                 } else {
1072                                         strlcat(tmp, "H" ,9);
1073                                 }
1074                                 if (strchr(u->modes,'o')) { strlcat(tmp, "*" ,9); }
1075                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->chans.size() ? u->chans[0].channel->name
1076                                 : "*", u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1077                         }
1078                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1079                 }
1080         }
1081         if (pcnt == 2)
1082         {
1083                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1084                 {
1085                         for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
1086                         {
1087                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1088                                 // But i'm a poor bastard with nothing better to do.
1089                                 userrec* oper = *i;
1090                                 strcpy(tmp, "");
1091                                 if (strcmp(oper->awaymsg, "")) {
1092                                         strlcat(tmp, "G" ,9);
1093                                 } else {
1094                                         strlcat(tmp, "H" ,9);
1095                                 }
1096                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s", user->nick, oper->chans.size() ? oper->chans[0].channel->name
1097                                 : "*", oper->ident, oper->dhost, oper->server, oper->nick, tmp, oper->fullname);
1098                         }
1099                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1100                         return;
1101                 }
1102         }
1103 }
1104
1105 void handle_wallops(char **parameters, int pcnt, userrec *user)
1106 {
1107         WriteWallOps(user,false,"%s",parameters[0]);
1108         FOREACH_MOD OnWallops(user,parameters[0]);
1109 }
1110
1111 void handle_list(char **parameters, int pcnt, userrec *user)
1112 {
1113         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1114         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1115         {
1116                 // if the channel is not private/secret, OR the user is on the channel anyway
1117                 if (((!(i->second->binarymodes & CM_PRIVATE)) && (!(i->second->binarymodes & CM_SECRET))) || (has_channel(user,i->second)))
1118                 {
1119                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1120                 }
1121         }
1122         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1123 }
1124
1125
1126 void handle_rehash(char **parameters, int pcnt, userrec *user)
1127 {
1128         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1129         std::string parameter = "";
1130         if (pcnt)
1131         {
1132                 parameter = parameters[0];
1133         }
1134         else
1135         {
1136                 WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1137                 ReadConfig(false,user);
1138         }
1139         FOREACH_MOD OnRehash(parameter);
1140 }
1141
1142 void handle_lusers(char **parameters, int pcnt, userrec *user)
1143 {
1144         // this lusers command shows one server at all times because
1145         // a protocol module must override it to show those stats.
1146         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on 1 server",user->nick,usercnt()-usercount_invisible(),usercount_invisible());
1147         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1148         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1149         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1150         WriteServ(user->fd,"254 %s :I have %d clients and 0 servers",user->nick,local_count());
1151 }
1152
1153 void handle_admin(char **parameters, int pcnt, userrec *user)
1154 {
1155         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1156         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1157         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1158         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1159 }
1160
1161 void handle_ping(char **parameters, int pcnt, userrec *user)
1162 {
1163         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1164 }
1165
1166 void handle_pong(char **parameters, int pcnt, userrec *user)
1167 {
1168         // set the user as alive so they survive to next ping
1169         user->lastping = 1;
1170 }
1171
1172 void handle_motd(char **parameters, int pcnt, userrec *user)
1173 {
1174         ShowMOTD(user);
1175 }
1176
1177 void handle_rules(char **parameters, int pcnt, userrec *user)
1178 {
1179         ShowRULES(user);
1180 }
1181
1182 void handle_user(char **parameters, int pcnt, userrec *user)
1183 {
1184         if (user->registered < 3)
1185         {
1186                 if (isident(parameters[0]) == 0) {
1187                         // This kinda Sucks, According to the RFC thou, its either this,
1188                         // or "You have already registered" :p -- Craig
1189                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1190                 }
1191                 else {
1192                         /* We're not checking ident, but I'm not sure I like the idea of '~' prefixing.. */
1193                         /* XXX - Should this IDENTMAX + 1 be IDENTMAX - 1? Ok, users.h has it defined as
1194                          * char ident[IDENTMAX+2]; - WTF?
1195                          */
1196                         snprintf(user->ident, IDENTMAX+1, "~%s", parameters[0]);
1197                         strlcpy(user->fullname,parameters[3],MAXGECOS);
1198                         user->registered = (user->registered | 1);
1199                 }
1200         }
1201         else
1202         {
1203                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1204                 return;
1205         }
1206         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1207         if (user->registered == 3)
1208         {
1209                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1210                 FOREACH_MOD OnUserRegister(user);
1211                 ConnectUser(user);
1212         }
1213 }
1214
1215 void handle_userhost(char **parameters, int pcnt, userrec *user)
1216 {
1217         char Return[MAXBUF],junk[MAXBUF];
1218         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1219         for (int i = 0; i < pcnt; i++)
1220         {
1221                 userrec *u = Find(parameters[i]);
1222                 if (u)
1223                 {
1224                         if (strchr(u->modes,'o'))
1225                         {
1226                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1227                                 strlcat(Return,junk,MAXBUF);
1228                         }
1229                         else
1230                         {
1231                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1232                                 strlcat(Return,junk,MAXBUF);
1233                         }
1234                 }
1235         }
1236         WriteServ(user->fd,Return);
1237 }
1238
1239
1240 void handle_ison(char **parameters, int pcnt, userrec *user)
1241 {
1242         char Return[MAXBUF];
1243         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1244         for (int i = 0; i < pcnt; i++)
1245         {
1246                 userrec *u = Find(parameters[i]);
1247                 if (u)
1248                 {
1249                         strlcat(Return,u->nick,MAXBUF);
1250                         strlcat(Return," ",MAXBUF);
1251                 }
1252         }
1253         WriteServ(user->fd,Return);
1254 }
1255
1256
1257 void handle_away(char **parameters, int pcnt, userrec *user)
1258 {
1259         if (pcnt)
1260         {
1261                 strlcpy(user->awaymsg,parameters[0],MAXAWAY);
1262                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1263         }
1264         else
1265         {
1266                 strlcpy(user->awaymsg,"",MAXAWAY);
1267                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1268         }
1269 }
1270
1271 void handle_whowas(char **parameters, int pcnt, userrec* user)
1272 {
1273         whowas_hash::iterator i = whowas.find(parameters[0]);
1274
1275         if (i == whowas.end())
1276         {
1277                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1278                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1279         }
1280         else
1281         {
1282                 time_t rawtime = i->second->signon;
1283                 tm *timeinfo;
1284                 char b[MAXBUF];
1285
1286                 timeinfo = localtime(&rawtime);
1287                 strlcpy(b,asctime(timeinfo),MAXBUF);
1288                 b[strlen(b)-1] = '\0';
1289
1290                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1291                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1292                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1293         }
1294
1295 }
1296
1297 void handle_trace(char **parameters, int pcnt, userrec *user)
1298 {
1299         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1300         {
1301                 if (i->second)
1302                 {
1303                         if (isnick(i->second->nick))
1304                         {
1305                                 if (strchr(i->second->modes,'o'))
1306                                 {
1307                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1308                                 }
1309                                 else
1310                                 {
1311                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1312                                 }
1313                         }
1314                         else
1315                         {
1316                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1317                         }
1318                 }
1319         }
1320 }
1321
1322 void handle_modules(char **parameters, int pcnt, userrec *user)
1323 {
1324         for (unsigned int i = 0; i < module_names.size(); i++)
1325         {
1326                 Version V = modules[i]->GetVersion();
1327                 char modulename[MAXBUF];
1328                 char flagstate[MAXBUF];
1329                 strcpy(flagstate,"");
1330                 if (V.Flags & VF_STATIC)
1331                         strlcat(flagstate,", static",MAXBUF);
1332                 if (V.Flags & VF_VENDOR)
1333                         strlcat(flagstate,", vendor",MAXBUF);
1334                 if (V.Flags & VF_COMMON)
1335                         strlcat(flagstate,", common",MAXBUF);
1336                 if (V.Flags & VF_SERVICEPROVIDER)
1337                         strlcat(flagstate,", service provider",MAXBUF);
1338                 if (!flagstate[0])
1339                         strcpy(flagstate,"  <no flags>");
1340                 strlcpy(modulename,module_names[i].c_str(),256);
1341                 if (strchr(user->modes,'o'))
1342                 {
1343                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s (%s)",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename),flagstate+2);
1344                 }
1345                 else
1346                 {
1347                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1348                 }
1349         }
1350         WriteServ(user->fd,"901 %s :End of MODULES list",user->nick);
1351 }
1352
1353 void handle_stats(char **parameters, int pcnt, userrec *user)
1354 {
1355         if (pcnt != 1)
1356         {
1357                 return;
1358         }
1359         if (strlen(parameters[0])>1)
1360         {
1361                 /* make the stats query 1 character long */
1362                 parameters[0][1] = '\0';
1363         }
1364
1365
1366         FOREACH_MOD OnStats(*parameters[0]);
1367
1368         if (*parameters[0] == 'c')
1369         {
1370                 /* This stats symbol must be handled by a linking module */
1371         }
1372
1373         if (*parameters[0] == 'i')
1374         {
1375                 int idx = 0;
1376                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1377                 {
1378                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1379                         idx++;
1380                 }
1381         }
1382
1383         if (*parameters[0] == 'y')
1384         {
1385                 int idx = 0;
1386                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1387                 {
1388                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1389                         idx++;
1390                 }
1391         }
1392
1393         if (*parameters[0] == 'U')
1394         {
1395                 char ulined[MAXBUF];
1396                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1397                 {
1398                         ConfValue("uline","server",i,ulined,&config_f);
1399                         WriteServ(user->fd,"248 %s U %s",user->nick,ulined);
1400                 }
1401         }
1402
1403         if (*parameters[0] == 'P')
1404         {
1405                 int idx = 0;
1406                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1407                 {
1408                         if (strchr(i->second->modes,'o'))
1409                         {
1410                                 WriteServ(user->fd,"249 %s :%s (%s@%s) Idle: %d",user->nick,i->second->nick,i->second->ident,i->second->dhost,(TIME - i->second->idle_lastmsg));
1411                                 idx++;
1412                         }
1413                 }
1414                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1415         }
1416
1417         if (*parameters[0] == 'k')
1418         {
1419                 stats_k(user);
1420         }
1421
1422         if (*parameters[0] == 'g')
1423         {
1424                 stats_g(user);
1425         }
1426
1427         if (*parameters[0] == 'q')
1428         {
1429                 stats_q(user);
1430         }
1431
1432         if (*parameters[0] == 'Z')
1433         {
1434                 stats_z(user);
1435         }
1436
1437         if (*parameters[0] == 'e')
1438         {
1439                 stats_e(user);
1440         }
1441
1442         /* stats m (list number of times each command has been used, plus bytecount) */
1443         if (*parameters[0] == 'm')
1444         {
1445                 for (unsigned int i = 0; i < cmdlist.size(); i++)
1446                 {
1447                         if (cmdlist[i].handler_function)
1448                         {
1449                                 if (cmdlist[i].use_count)
1450                                 {
1451                                         /* RPL_STATSCOMMANDS */
1452                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1453                                 }
1454                         }
1455                 }
1456
1457         }
1458
1459         /* stats z (debug and memory info) */
1460         if (*parameters[0] == 'z')
1461         {
1462                 rusage R;
1463                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1464                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1465                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1466                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1467                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1468                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1469                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1470                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1471                 if (!getrusage(RUSAGE_SELF,&R))
1472                 {
1473                         WriteServ(user->fd,"249 %s :Total allocation: %luK (0x%lx)",user->nick,R.ru_maxrss,R.ru_maxrss);
1474                         WriteServ(user->fd,"249 %s :Signals:          %lu  (0x%lx)",user->nick,R.ru_nsignals,R.ru_nsignals);
1475                         WriteServ(user->fd,"249 %s :Page faults:      %lu  (0x%lx)",user->nick,R.ru_majflt,R.ru_majflt);
1476                         WriteServ(user->fd,"249 %s :Swaps:            %lu  (0x%lx)",user->nick,R.ru_nswap,R.ru_nswap);
1477                         WriteServ(user->fd,"249 %s :Context Switches: %lu  (0x%lx)",user->nick,R.ru_nvcsw+R.ru_nivcsw,R.ru_nvcsw+R.ru_nivcsw);
1478                 }
1479         }
1480
1481         if (*parameters[0] == 'T')
1482         {
1483                 WriteServ(user->fd,"249 Brain :accepts %d refused %d",statsAccept,statsRefused);
1484                 WriteServ(user->fd,"249 Brain :unknown commands %d",statsUnknown);
1485                 WriteServ(user->fd,"249 Brain :nick collisions %d",statsCollisions);
1486                 WriteServ(user->fd,"249 Brain :dns requests %d succeeded %d failed %d",statsDns,statsDnsGood,statsDnsBad);
1487                 WriteServ(user->fd,"249 Brain :connections %d",statsConnects);
1488                 WriteServ(user->fd,"249 Brain :bytes sent %dK recv %dK",(statsSent / 1024),(statsRecv / 1024));
1489         }
1490
1491         /* stats o */
1492         if (*parameters[0] == 'o')
1493         {
1494                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1495                 {
1496                         char LoginName[MAXBUF];
1497                         char HostName[MAXBUF];
1498                         char OperType[MAXBUF];
1499                         ConfValue("oper","name",i,LoginName,&config_f);
1500                         ConfValue("oper","host",i,HostName,&config_f);
1501                         ConfValue("oper","type",i,OperType,&config_f);
1502                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1503                 }
1504         }
1505
1506         /* stats l (show user I/O stats) */
1507         if (*parameters[0] == 'l')
1508         {
1509                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1510                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1511                 {
1512                         if (isnick(i->second->nick))
1513                         {
1514                                 WriteServ(user->fd,"211 %s :%s:%d %s %d %d %d %d",user->nick,i->second->server,i->second->port,i->second->nick,i->second->bytes_in,i->second->cmds_in,i->second->bytes_out,i->second->cmds_out);
1515                         }
1516                         else
1517                         {
1518                                 WriteServ(user->fd,"211 %s :%s:%d (unknown@%d) %d %d %d %d",user->nick,i->second->server,i->second->port,i->second->fd,i->second->bytes_in,i->second->cmds_in,i->second->bytes_out,i->second->cmds_out);
1519                         }
1520
1521                 }
1522         }
1523
1524         /* stats u (show server uptime) */
1525         if (*parameters[0] == 'u')
1526         {
1527                 time_t current_time = 0;
1528                 current_time = TIME;
1529                 time_t server_uptime = current_time - startup_time;
1530                 struct tm* stime;
1531                 stime = gmtime(&server_uptime);
1532                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1533                  * Craig suggested this, and it seemed a good idea so in it went */
1534                 if (stime->tm_year > 70)
1535                 {
1536                         WriteServ(user->fd,"242 %s :Server up %d years, %d days, %.2d:%.2d:%.2d",user->nick,(stime->tm_year-70),stime->tm_yday,stime->tm_hour,stime->tm_min,stime->tm_sec);
1537                 }
1538                 else
1539                 {
1540                         WriteServ(user->fd,"242 %s :Server up %d days, %.2d:%.2d:%.2d",user->nick,stime->tm_yday,stime->tm_hour,stime->tm_min,stime->tm_sec);
1541                 }
1542         }
1543
1544         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1545         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1546
1547 }
1548
1549
1550 void handle_connect(char **parameters, int pcnt, userrec *user)
1551 {
1552 }
1553
1554 void handle_squit(char **parameters, int pcnt, userrec *user)
1555 {
1556 }
1557
1558 void handle_links(char **parameters, int pcnt, userrec *user)
1559 {
1560         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1561         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1562 }
1563
1564 void handle_map(char **parameters, int pcnt, userrec *user)
1565 {
1566         // as with /LUSERS this does nothing without a linking
1567         // module to override its behaviour and display something
1568         // better.
1569         WriteServ(user->fd,"006 %s :%s",user->nick,ServerName);
1570         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1571 }
1572
1573 bool is_uline(const char* server)
1574 {
1575         char ServName[MAXBUF];
1576
1577         if (!server)
1578                 return false;
1579         if (!(*server))
1580                 return true;
1581
1582         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1583         {
1584                 ConfValue("uline","server",i,ServName,&config_f);
1585                 if (!strcasecmp(server,ServName))
1586                 {
1587                         return true;
1588                 }
1589         }
1590         return false;
1591 }
1592 int operstrcmp(char* data,char* input)
1593 {
1594         int MOD_RESULT = 0;
1595         FOREACH_RESULT(OnOperCompare(data,input))
1596         log(DEBUG,"operstrcmp: %d",MOD_RESULT);
1597         if (MOD_RESULT == 1)
1598                 return 0;
1599         if (MOD_RESULT == -1)
1600                 return 1;
1601         log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
1602         return strcmp(data,input);
1603 }
1604
1605 void handle_oper(char **parameters, int pcnt, userrec *user)
1606 {
1607         char LoginName[MAXBUF];
1608         char Password[MAXBUF];
1609         char OperType[MAXBUF];
1610         char TypeName[MAXBUF];
1611         char HostName[MAXBUF];
1612         char TheHost[MAXBUF];
1613         int j;
1614         bool found = false;
1615         bool fail2 = false;
1616
1617         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1618
1619         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1620         {
1621                 ConfValue("oper","name",i,LoginName,&config_f);
1622                 ConfValue("oper","password",i,Password,&config_f);
1623                 ConfValue("oper","type",i,OperType,&config_f);
1624                 ConfValue("oper","host",i,HostName,&config_f);
1625                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1626                 {
1627                         fail2 = true;
1628                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1629                         {
1630                                 ConfValue("type","name",j,TypeName,&config_f);
1631
1632                                 if (!strcmp(TypeName,OperType))
1633                                 {
1634                                         /* found this oper's opertype */
1635                                         ConfValue("type","host",j,HostName,&config_f);
1636                                         if (*HostName)
1637                                                 ChangeDisplayedHost(user,HostName);
1638                                         strlcpy(user->oper,TypeName,NICKMAX);
1639                                         found = true;
1640                                         fail2 = false;
1641                                         break;
1642                                 }
1643                         }
1644                 }
1645                 if (found)
1646                         break;
1647         }
1648         if (found)
1649         {
1650                 /* correct oper credentials */
1651                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1652                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1653                 if (!strchr(user->modes,'o'))
1654                 {
1655                         strcat(user->modes,"o");
1656                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1657                         FOREACH_MOD OnOper(user,OperType);
1658                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1659                         AddOper(user);
1660                 }
1661         }
1662         else
1663         {
1664                 if (!fail2)
1665                 {
1666                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1667                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1668                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1669                 }
1670                 else
1671                 {
1672                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1673                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1674                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1675                 }
1676         }
1677         return;
1678 }
1679
1680 void handle_nick(char **parameters, int pcnt, userrec *user)
1681 {
1682         if (pcnt < 1)
1683         {
1684                 log(DEBUG,"not enough params for handle_nick");
1685                 return;
1686         }
1687         if (!parameters[0])
1688         {
1689                 log(DEBUG,"invalid parameter passed to handle_nick");
1690                 return;
1691         }
1692         if (!parameters[0][0])
1693         {
1694                 log(DEBUG,"zero length new nick passed to handle_nick");
1695                 return;
1696         }
1697         if (!user)
1698         {
1699                 log(DEBUG,"invalid user passed to handle_nick");
1700                 return;
1701         }
1702         if (!user->nick)
1703         {
1704                 log(DEBUG,"invalid old nick passed to handle_nick");
1705                 return;
1706         }
1707         if (!strcasecmp(user->nick,parameters[0]))
1708         {
1709                 log(DEBUG,"old nick is new nick, skipping");
1710                 return;
1711         }
1712         else
1713         {
1714                 if (strlen(parameters[0]) > 1)
1715                 {
1716                         if (parameters[0][0] == ':')
1717                         {
1718                                 *parameters[0]++;
1719                         }
1720                 }
1721                 if (matches_qline(parameters[0]))
1722                 {
1723                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1724                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1725                         return;
1726                 }
1727                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1728                 {
1729                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1730                         return;
1731                 }
1732         }
1733         if (isnick(parameters[0]) == 0)
1734         {
1735                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1736                 return;
1737         }
1738
1739         if (user->registered == 7)
1740         {
1741                 int MOD_RESULT = 0;
1742                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1743                 if (MOD_RESULT) {
1744                         // if a module returns true, the nick change is silently forbidden.
1745                         return;
1746                 }
1747
1748                 WriteCommon(user,"NICK %s",parameters[0]);
1749
1750         }
1751
1752         char oldnick[NICKMAX];
1753         strlcpy(oldnick,user->nick,NICKMAX);
1754
1755         /* change the nick of the user in the users_hash */
1756         user = ReHashNick(user->nick, parameters[0]);
1757         /* actually change the nick within the record */
1758         if (!user) return;
1759         if (!user->nick) return;
1760
1761         strlcpy(user->nick, parameters[0],NICKMAX);
1762
1763         log(DEBUG,"new nick set: %s",user->nick);
1764
1765         if (user->registered < 3)
1766         {
1767                 user->registered = (user->registered | 2);
1768                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1769                 // and unless we're lucky we'll get a duff one later on.
1770                 //user->dns_done = (!lookup_dns(user->nick));
1771                 //if (user->dns_done)
1772                 //      log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1773
1774 #ifdef THREADED_DNS
1775                 // initialize their dns lookup thread
1776                 if (pthread_create(&user->dnsthread, NULL, dns_task, (void *)user) != 0)
1777                 {
1778                         log(DEBUG,"Failed to create DNS lookup thread for user %s",user->nick);
1779                 }
1780 #else
1781                 user->dns_done = (!lookup_dns(user->nick));
1782                 if (user->dns_done)
1783                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1784 #endif
1785
1786         }
1787         if (user->registered == 3)
1788         {
1789                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1790                 FOREACH_MOD OnUserRegister(user);
1791                 ConnectUser(user);
1792         }
1793         if (user->registered == 7)
1794         {
1795                 FOREACH_MOD OnUserPostNick(user,oldnick);
1796         }
1797 }
1798
1799 long duration(const char* str)
1800 {
1801         char n_field[MAXBUF];
1802         long total = 0;
1803         const char* str_end = str + strlen(str);
1804         n_field[0] = 0;
1805
1806         if ((!strchr(str,'s')) && (!strchr(str,'m')) && (!strchr(str,'h')) && (!strchr(str,'d')) && (!strchr(str,'w')) && (!strchr(str,'y')))
1807         {
1808                 std::string n = str;
1809                 n = n + "s";
1810                 return duration(n.c_str());
1811         }
1812
1813         for (char* i = (char*)str; i < str_end; i++)
1814         {
1815                 // if we have digits, build up a string for the value in n_field,
1816                 // up to 10 digits in size.
1817                 if ((*i >= '0') && (*i <= '9'))
1818                 {
1819                         strlcat(n_field,i,10);
1820                 }
1821                 else
1822                 {
1823                         // we dont have a digit, check for numeric tokens
1824                         switch (tolower(*i))
1825                         {
1826                                 case 's':
1827                                         total += atoi(n_field);
1828                                 break;
1829
1830                                 case 'm':
1831                                         total += (atoi(n_field)*duration_m);
1832                                 break;
1833
1834                                 case 'h':
1835                                         total += (atoi(n_field)*duration_h);
1836                                 break;
1837
1838                                 case 'd':
1839                                         total += (atoi(n_field)*duration_d);
1840                                 break;
1841
1842                                 case 'w':
1843                                         total += (atoi(n_field)*duration_w);
1844                                 break;
1845
1846                                 case 'y':
1847                                         total += (atoi(n_field)*duration_y);
1848                                 break;
1849                         }
1850                         n_field[0] = 0;
1851                 }
1852         }
1853         // add trailing seconds
1854         total += atoi(n_field);
1855
1856         return total;
1857 }
1858
1859 /* All other ircds when doing this check usually just look for a string of *@* or *. We're smarter than that, though. */
1860
1861 bool host_matches_everyone(std::string mask, userrec* user)
1862 {
1863         char insanemasks[MAXBUF];
1864         char buffer[MAXBUF];
1865         char itrigger[MAXBUF];
1866         ConfValue("insane","hostmasks",0,insanemasks,&config_f);
1867         ConfValue("insane","trigger",0,itrigger,&config_f);
1868         if (*itrigger == 0)
1869                 strlcpy(itrigger,"95.5",MAXBUF);
1870         if ((*insanemasks == 'y') || (*insanemasks == 't') || (*insanemasks == '1'))
1871                 return false;
1872         long matches = 0;
1873         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1874         {
1875                 strlcpy(buffer,u->second->ident,MAXBUF);
1876                 strlcat(buffer,"@",MAXBUF);
1877                 strlcat(buffer,u->second->host,MAXBUF);
1878                 if (match(buffer,mask.c_str()))
1879                         matches++;
1880         }
1881         float percent = ((float)matches / (float)clientlist.size()) * 100;
1882         if (percent > (float)atof(itrigger))
1883         {
1884                 WriteOpers("*** \2WARNING\2: %s tried to set a G/K/E line mask of %s, which covers %.2f%% of the network!",user->nick,mask.c_str(),percent);
1885                 return true;
1886         }
1887         return false;
1888 }
1889
1890 bool ip_matches_everyone(std::string ip, userrec* user)
1891 {
1892         char insanemasks[MAXBUF];
1893         char itrigger[MAXBUF];
1894         ConfValue("insane","ipmasks",0,insanemasks,&config_f);
1895         ConfValue("insane","trigger",0,itrigger,&config_f);
1896         if (*itrigger == 0)
1897                 strlcpy(itrigger,"95.5",MAXBUF);
1898         if ((*insanemasks == 'y') || (*insanemasks == 't') || (*insanemasks == '1'))
1899                 return false;
1900         long matches = 0;
1901         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1902         {
1903                 if (match(u->second->ip,ip.c_str()))
1904                         matches++;
1905         }
1906         float percent = ((float)matches / (float)clientlist.size()) * 100;
1907         if (percent > (float)atof(itrigger))
1908         {
1909                 WriteOpers("*** \2WARNING\2: %s tried to set a Z line mask of %s, which covers %.2f%% of the network!",user->nick,ip.c_str(),percent);
1910                 return true;
1911         }
1912         return false;
1913 }
1914
1915 bool nick_matches_everyone(std::string nick, userrec* user)
1916 {
1917         char insanemasks[MAXBUF];
1918         char itrigger[MAXBUF];
1919         ConfValue("insane","nickmasks",0,insanemasks,&config_f);
1920         ConfValue("insane","trigger",0,itrigger,&config_f);
1921         if (*itrigger == 0)
1922                 strlcpy(itrigger,"95.5",MAXBUF);
1923         if ((*insanemasks == 'y') || (*insanemasks == 't') || (*insanemasks == '1'))
1924                 return false;
1925         long matches = 0;
1926         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1927         {
1928                 if (match(u->second->nick,nick.c_str()))
1929                         matches++;
1930         }
1931         float percent = ((float)matches / (float)clientlist.size()) * 100;
1932         if (percent > (float)atof(itrigger))
1933         {
1934                 WriteOpers("*** \2WARNING\2: %s tried to set a Q line mask of %s, which covers %.2f%% of the network!",user->nick,nick.c_str(),percent);
1935                 return true;
1936         }
1937         return false;
1938 }
1939
1940 void handle_kline(char **parameters, int pcnt, userrec *user)
1941 {
1942         if (pcnt >= 3)
1943         {
1944                 if (host_matches_everyone(parameters[0],user))
1945                         return;
1946                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
1947                 FOREACH_MOD OnAddKLine(duration(parameters[1]), user, parameters[2], parameters[0]);
1948                 if (!duration(parameters[1]))
1949                 {
1950                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
1951                 }
1952                 else
1953                 {
1954                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
1955                 }
1956         }
1957         else
1958         {
1959                 if (del_kline(parameters[0]))
1960                 {
1961                         FOREACH_MOD OnDelKLine(user, parameters[0]);
1962                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
1963                 }
1964                 else
1965                 {
1966                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
1967                 }
1968         }
1969         apply_lines();
1970 }
1971
1972 void handle_eline(char **parameters, int pcnt, userrec *user)
1973 {
1974         if (pcnt >= 3)
1975         {
1976                 if (host_matches_everyone(parameters[0],user))
1977                         return;
1978                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
1979                 FOREACH_MOD OnAddELine(duration(parameters[1]), user, parameters[2], parameters[0]);
1980                 if (!duration(parameters[1]))
1981                 {
1982                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
1983                 }
1984                 else
1985                 {
1986                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
1987                 }
1988         }
1989         else
1990         {
1991                 if (del_eline(parameters[0]))
1992                 {
1993                         FOREACH_MOD OnDelELine(user, parameters[0]);
1994                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
1995                 }
1996                 else
1997                 {
1998                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
1999                 }
2000         }
2001         // no need to apply the lines for an eline
2002 }
2003
2004 void handle_gline(char **parameters, int pcnt, userrec *user)
2005 {
2006         if (pcnt >= 3)
2007         {
2008                 if (host_matches_everyone(parameters[0],user))
2009                         return;
2010                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
2011                 FOREACH_MOD OnAddGLine(duration(parameters[1]), user, parameters[2], parameters[0]);
2012                 if (!duration(parameters[1]))
2013                 {
2014                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
2015                 }
2016                 else
2017                 {
2018                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
2019                 }
2020         }
2021         else
2022         {
2023                 if (del_gline(parameters[0]))
2024                 {
2025                         FOREACH_MOD OnDelGLine(user, parameters[0]);
2026                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
2027                 }
2028                 else
2029                 {
2030                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
2031                 }
2032         }
2033         apply_lines();
2034 }
2035
2036 void handle_zline(char **parameters, int pcnt, userrec *user)
2037 {
2038         if (pcnt >= 3)
2039         {
2040                 if (ip_matches_everyone(parameters[0],user))
2041                         return;
2042                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
2043                 FOREACH_MOD OnAddZLine(duration(parameters[1]), user, parameters[2], parameters[0]);
2044                 if (!duration(parameters[1]))
2045                 {
2046                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
2047                 }
2048                 else
2049                 {
2050                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
2051                 }
2052         }
2053         else
2054         {
2055                 if (del_zline(parameters[0]))
2056                 {
2057                         FOREACH_MOD OnDelZLine(user, parameters[0]);
2058                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
2059                 }
2060                 else
2061                 {
2062                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
2063                 }
2064         }
2065         apply_lines();
2066 }
2067
2068 void handle_qline(char **parameters, int pcnt, userrec *user)
2069 {
2070         if (pcnt >= 3)
2071         {
2072                 if (nick_matches_everyone(parameters[0],user))
2073                         return;
2074                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
2075                 FOREACH_MOD OnAddQLine(duration(parameters[1]), user, parameters[2], parameters[0]);
2076                 if (!duration(parameters[1]))
2077                 {
2078                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
2079                 }
2080                 else
2081                 {
2082                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
2083                 }
2084         }
2085         else
2086         {
2087                 if (del_qline(parameters[0]))
2088                 {
2089                         FOREACH_MOD OnDelQLine(user, parameters[0]);
2090                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
2091                 }
2092                 else
2093                 {
2094                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
2095                 }
2096         }
2097         apply_lines();
2098 }
2099
2100