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 }
 842
 843 void do_whois(userrec* user, userrec* dest,unsigned long signon, unsigned long idle, char* nick)
 844 {
 845         // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 846         if (dest->registered == 7)
 847         {
 848                 WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 849                 if ((user == dest) || (strchr(user->modes,'o')))
 850                 {
 851                         WriteServ(user->fd,"378 %s %s :is connecting from *@%s %s",user->nick, dest->nick, dest->host, dest->ip);
 852                 }
 853                 std::string cl = chlist(dest,user);
 854                 if (cl.length())
 855                 {
 856                         if (cl.length() > 400)
 857                         {
 858                                 split_chlist(user,dest,cl);
 859                         }
 860                         else
 861                         {
 862                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, cl.c_str());
 863                         }
 864                 }
 865                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 866                 if (*dest->awaymsg)
 867                 {
 868                         WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 869                 }
 870                 if (strchr(dest->modes,'o'))
 871                 {
 872                         if (*dest->oper)
 873                         {
 874                                 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);
 875                         }
 876                         else
 877                         {
 878                                 WriteServ(user->fd,"313 %s %s :is opered but has an unknown type",user->nick, dest->nick);
 879                         }
 880                 }
 881                 if ((!signon) && (!idle))
 882                 {
 883                         FOREACH_MOD OnWhois(user,dest);
 884                 }
 885                 if (!strcasecmp(user->server,dest->server))
 886                 {
 887                         // idle time and signon line can only be sent if youre on the same server (according to RFC)
 888                         WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 889                 }
 890                 else
 891                 {
 892                         if ((idle) || (signon))
 893                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, idle, signon);
 894                 }
 895                 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 896         }
 897         else
 898         {
 899                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, nick);
 900                 WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, nick);
 901         }
 902 }
 903
 904 void handle_quit(char **parameters, int pcnt, userrec *user)
 905 {
 906         user_hash::iterator iter = clientlist.find(user->nick);
 907         char* reason;
 908
 909         if (user->registered == 7)
 910         {
 911                 /* theres more to do here, but for now just close the socket */
 912                 if (pcnt == 1)
 913                 {
 914                         if (parameters[0][0] == ':')
 915                         {
 916                                 *parameters[0]++;
 917                         }
 918                         reason = parameters[0];
 919
 920                         if (strlen(reason)>MAXQUIT)
 921                         {
 922                                 reason[MAXQUIT-1] = '\0';
 923                         }
 924
 925                         /* We should only prefix the quit for a local user. Remote users have
 926                          * already been prefixed, where neccessary, by the upstream server.
 927                          */
 928                         if (!strcasecmp(user->server,ServerName))
 929                         {
 930                                 Write(user->fd,"ERROR :Closing link (%s@%s) [%s%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 931                                 WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,parameters[0]);
 932                                 WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 933                         }
 934                         else
 935                         {
 936                                 WriteOpers("*** Client exiting at %s: %s!%s@%s [%s]",user->server,user->nick,user->ident,user->host,parameters[0]);
 937                                 WriteCommonExcept(user,"QUIT :%s",parameters[0]);
 938                         }
 939                         FOREACH_MOD OnUserQuit(user,std::string(PrefixQuit)+std::string(parameters[0]));
 940
 941                 }
 942                 else
 943                 {
 944                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 945                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 946                         WriteCommonExcept(user,"QUIT :Client exited");
 947                         FOREACH_MOD OnUserQuit(user,"Client exited");
 948
 949                 }
 950                 AddWhoWas(user);
 951         }
 952
 953         FOREACH_MOD OnUserDisconnect(user);
 954
 955         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 956         if (user->fd > -1)
 957         {
 958                 SE->DelFd(user->fd);
 959                 user->CloseSocket();
 960         }
 961
 962         if (iter != clientlist.end())
 963         {
 964                 clientlist.erase(iter);
 965         }
 966
 967         if (user->registered == 7) {
 968                 purge_empty_chans(user);
 969         }
 970         if (user->fd > -1)
 971                 fd_ref_table[user->fd] = NULL;
 972         delete user;
 973 }
 974
 975 void handle_who(char **parameters, int pcnt, userrec *user)
 976 {
 977         chanrec* Ptr = NULL;
 978         char tmp[10];
 979
 980         /* theres more to do here, but for now just close the socket */
 981         if (pcnt == 1)
 982         {
 983                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 984                 {
 985                         if ((user->chans.size()) && (user->chans[0].channel))
 986                         {
 987                                 int n_list = 0;
 988                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 989                                 {
 990                                         Ptr = i->second->chans[0].channel;
 991                                         // suggested by phidjit and FCS
 992                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 993                                         {
 994                                                 // Bug Fix #29
 995                                                 strcpy(tmp, "");
 996                                                 if (strcmp(i->second->awaymsg, "")) {
 997                                                         strlcat(tmp, "G", 9);
 998                                                 } else {
 999                                                         strlcat(tmp, "H", 9);
1000                                                 }
1001                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
1002                                                 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);
1003                                                 n_list++;
1004                                                 if (n_list > MaxWhoResults)
1005                                                 {
1006                                                         WriteServ(user->fd,"523 %s WHO :Command aborted: More results than configured limit",user->nick);
1007                                                         break;
1008                                                 }
1009                                         }
1010                                 }
1011                         }
1012                         if (Ptr)
1013                         {
1014                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
1015                         }
1016                         else
1017                         {
1018                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1019                         }
1020                         return;
1021                 }
1022                 if (parameters[0][0] == '#')
1023                 {
1024                         Ptr = FindChan(parameters[0]);
1025                         if (Ptr)
1026                         {
1027                                 int n_list = 0;
1028                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1029                                 {
1030                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1031                                         {
1032                                                 // Fix Bug #29 - Part 2..
1033                                                 strcpy(tmp, "");
1034                                                 if (strcmp(i->second->awaymsg, "")) {
1035                                                         strlcat(tmp, "G", 9);
1036                                                 } else {
1037                                                         strlcat(tmp, "H", 9);
1038                                                 }
1039                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
1040                                                 strlcat(tmp, cmode(i->second, Ptr),5);
1041                                                 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);
1042                                                 n_list++;
1043                                                 if (n_list > MaxWhoResults)
1044                                                 {
1045                                                         WriteServ(user->fd,"523 %s WHO :Command aborted: More results than configured limit",user->nick);
1046                                                         break;
1047                                                 }
1048
1049                                         }
1050                                 }
1051                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1052                         }
1053                         else
1054                         {
1055                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1056                         }
1057                 }
1058                 else
1059                 {
1060                         userrec* u = Find(parameters[0]);
1061                         if (u)
1062                         {
1063                                 // Bug Fix #29 -- Part 29..
1064                                 strcpy(tmp, "");
1065                                 if (strcmp(u->awaymsg, "")) {
1066                                         strlcat(tmp, "G" ,9);
1067                                 } else {
1068                                         strlcat(tmp, "H" ,9);
1069                                 }
1070                                 if (strchr(u->modes,'o')) { strlcat(tmp, "*" ,9); }
1071                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->chans.size() ? u->chans[0].channel->name
1072                                 : "*", u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1073                         }
1074                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1075                 }
1076         }
1077         if (pcnt == 2)
1078         {
1079                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1080                 {
1081                         for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
1082                         {
1083                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1084                                 // But i'm a poor bastard with nothing better to do.
1085                                 userrec* oper = *i;
1086                                 strcpy(tmp, "");
1087                                 if (strcmp(oper->awaymsg, "")) {
1088                                         strlcat(tmp, "G" ,9);
1089                                 } else {
1090                                         strlcat(tmp, "H" ,9);
1091                                 }
1092                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s", user->nick, oper->chans.size() ? oper->chans[0].channel->name
1093                                 : "*", oper->ident, oper->dhost, oper->server, oper->nick, tmp, oper->fullname);
1094                         }
1095                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1096                         return;
1097                 }
1098         }
1099 }
1100
1101 void handle_wallops(char **parameters, int pcnt, userrec *user)
1102 {
1103         WriteWallOps(user,false,"%s",parameters[0]);
1104         FOREACH_MOD OnWallops(user,parameters[0]);
1105 }
1106
1107 void handle_list(char **parameters, int pcnt, userrec *user)
1108 {
1109         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1110         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1111         {
1112                 // if the channel is not private/secret, OR the user is on the channel anyway
1113                 if (((!(i->second->binarymodes & CM_PRIVATE)) && (!(i->second->binarymodes & CM_SECRET))) || (has_channel(user,i->second)))
1114                 {
1115                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1116                 }
1117         }
1118         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1119 }
1120
1121
1122 void handle_rehash(char **parameters, int pcnt, userrec *user)
1123 {
1124         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1125         std::string parameter = "";
1126         if (pcnt)
1127         {
1128                 parameter = parameters[0];
1129         }
1130         else
1131         {
1132                 WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1133                 ReadConfig(false,user);
1134         }
1135         FOREACH_MOD OnRehash(parameter);
1136 }
1137
1138 void handle_lusers(char **parameters, int pcnt, userrec *user)
1139 {
1140         // this lusers command shows one server at all times because
1141         // a protocol module must override it to show those stats.
1142         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on 1 server",user->nick,usercnt()-usercount_invisible(),usercount_invisible());
1143         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1144         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1145         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1146         WriteServ(user->fd,"254 %s :I have %d clients and 0 servers",user->nick,local_count());
1147 }
1148
1149 void handle_admin(char **parameters, int pcnt, userrec *user)
1150 {
1151         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1152         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1153         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1154         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1155 }
1156
1157 void handle_ping(char **parameters, int pcnt, userrec *user)
1158 {
1159         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1160 }
1161
1162 void handle_pong(char **parameters, int pcnt, userrec *user)
1163 {
1164         // set the user as alive so they survive to next ping
1165         user->lastping = 1;
1166 }
1167
1168 void handle_motd(char **parameters, int pcnt, userrec *user)
1169 {
1170         ShowMOTD(user);
1171 }
1172
1173 void handle_rules(char **parameters, int pcnt, userrec *user)
1174 {
1175         ShowRULES(user);
1176 }
1177
1178 void handle_user(char **parameters, int pcnt, userrec *user)
1179 {
1180         if (user->registered < 3)
1181         {
1182                 if (isident(parameters[0]) == 0) {
1183                         // This kinda Sucks, According to the RFC thou, its either this,
1184                         // or "You have already registered" :p -- Craig
1185                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1186                 }
1187                 else {
1188                         /* We're not checking ident, but I'm not sure I like the idea of '~' prefixing.. */
1189                         /* XXX - Should this IDENTMAX + 1 be IDENTMAX - 1? Ok, users.h has it defined as
1190                          * char ident[IDENTMAX+2]; - WTF?
1191                          */
1192                         snprintf(user->ident, IDENTMAX+1, "~%s", parameters[0]);
1193                         strlcpy(user->fullname,parameters[3],MAXGECOS);
1194                         user->registered = (user->registered | 1);
1195                 }
1196         }
1197         else
1198         {
1199                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1200                 return;
1201         }
1202         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1203         if (user->registered == 3)
1204         {
1205                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1206                 FOREACH_MOD OnUserRegister(user);
1207                 ConnectUser(user);
1208         }
1209 }
1210
1211 void handle_userhost(char **parameters, int pcnt, userrec *user)
1212 {
1213         char Return[MAXBUF],junk[MAXBUF];
1214         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1215         for (int i = 0; i < pcnt; i++)
1216         {
1217                 userrec *u = Find(parameters[i]);
1218                 if (u)
1219                 {
1220                         if (strchr(u->modes,'o'))
1221                         {
1222                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1223                                 strlcat(Return,junk,MAXBUF);
1224                         }
1225                         else
1226                         {
1227                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1228                                 strlcat(Return,junk,MAXBUF);
1229                         }
1230                 }
1231         }
1232         WriteServ(user->fd,Return);
1233 }
1234
1235
1236 void handle_ison(char **parameters, int pcnt, userrec *user)
1237 {
1238         char Return[MAXBUF];
1239         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1240         for (int i = 0; i < pcnt; i++)
1241         {
1242                 userrec *u = Find(parameters[i]);
1243                 if (u)
1244                 {
1245                         strlcat(Return,u->nick,MAXBUF);
1246                         strlcat(Return," ",MAXBUF);
1247                 }
1248         }
1249         WriteServ(user->fd,Return);
1250 }
1251
1252
1253 void handle_away(char **parameters, int pcnt, userrec *user)
1254 {
1255         if (pcnt)
1256         {
1257                 strlcpy(user->awaymsg,parameters[0],MAXAWAY);
1258                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1259         }
1260         else
1261         {
1262                 strlcpy(user->awaymsg,"",MAXAWAY);
1263                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1264         }
1265 }
1266
1267 void handle_whowas(char **parameters, int pcnt, userrec* user)
1268 {
1269         whowas_hash::iterator i = whowas.find(parameters[0]);
1270
1271         if (i == whowas.end())
1272         {
1273                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1274                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1275         }
1276         else
1277         {
1278                 time_t rawtime = i->second->signon;
1279                 tm *timeinfo;
1280                 char b[MAXBUF];
1281
1282                 timeinfo = localtime(&rawtime);
1283                 strlcpy(b,asctime(timeinfo),MAXBUF);
1284                 b[strlen(b)-1] = '\0';
1285
1286                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1287                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1288                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1289         }
1290
1291 }
1292
1293 void handle_trace(char **parameters, int pcnt, userrec *user)
1294 {
1295         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1296         {
1297                 if (i->second)
1298                 {
1299                         if (isnick(i->second->nick))
1300                         {
1301                                 if (strchr(i->second->modes,'o'))
1302                                 {
1303                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1304                                 }
1305                                 else
1306                                 {
1307                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1308                                 }
1309                         }
1310                         else
1311                         {
1312                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1313                         }
1314                 }
1315         }
1316 }
1317
1318 void handle_modules(char **parameters, int pcnt, userrec *user)
1319 {
1320         for (unsigned int i = 0; i < module_names.size(); i++)
1321         {
1322                 Version V = modules[i]->GetVersion();
1323                 char modulename[MAXBUF];
1324                 char flagstate[MAXBUF];
1325                 strcpy(flagstate,"");
1326                 if (V.Flags & VF_STATIC)
1327                         strlcat(flagstate,", static",MAXBUF);
1328                 if (V.Flags & VF_VENDOR)
1329                         strlcat(flagstate,", vendor",MAXBUF);
1330                 if (V.Flags & VF_COMMON)
1331                         strlcat(flagstate,", common",MAXBUF);
1332                 if (V.Flags & VF_SERVICEPROVIDER)
1333                         strlcat(flagstate,", service provider",MAXBUF);
1334                 if (!flagstate[0])
1335                         strcpy(flagstate,"  <no flags>");
1336                 strlcpy(modulename,module_names[i].c_str(),256);
1337                 if (strchr(user->modes,'o'))
1338                 {
1339                         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);
1340                 }
1341                 else
1342                 {
1343                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1344                 }
1345         }
1346         WriteServ(user->fd,"901 %s :End of MODULES list",user->nick);
1347 }
1348
1349 void handle_stats(char **parameters, int pcnt, userrec *user)
1350 {
1351         if (pcnt != 1)
1352         {
1353                 return;
1354         }
1355         if (strlen(parameters[0])>1)
1356         {
1357                 /* make the stats query 1 character long */
1358                 parameters[0][1] = '\0';
1359         }
1360
1361
1362         FOREACH_MOD OnStats(*parameters[0]);
1363
1364         if (*parameters[0] == 'c')
1365         {
1366                 /* This stats symbol must be handled by a linking module */
1367         }
1368
1369         if (*parameters[0] == 'i')
1370         {
1371                 int idx = 0;
1372                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1373                 {
1374                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1375                         idx++;
1376                 }
1377         }
1378
1379         if (*parameters[0] == 'y')
1380         {
1381                 int idx = 0;
1382                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1383                 {
1384                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1385                         idx++;
1386                 }
1387         }
1388
1389         if (*parameters[0] == 'U')
1390         {
1391                 char ulined[MAXBUF];
1392                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1393                 {
1394                         ConfValue("uline","server",i,ulined,&config_f);
1395                         WriteServ(user->fd,"248 %s U %s",user->nick,ulined);
1396                 }
1397         }
1398
1399         if (*parameters[0] == 'P')
1400         {
1401                 int idx = 0;
1402                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1403                 {
1404                         if (strchr(i->second->modes,'o'))
1405                         {
1406                                 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));
1407                                 idx++;
1408                         }
1409                 }
1410                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1411         }
1412
1413         if (*parameters[0] == 'k')
1414         {
1415                 stats_k(user);
1416         }
1417
1418         if (*parameters[0] == 'g')
1419         {
1420                 stats_g(user);
1421         }
1422
1423         if (*parameters[0] == 'q')
1424         {
1425                 stats_q(user);
1426         }
1427
1428         if (*parameters[0] == 'Z')
1429         {
1430                 stats_z(user);
1431         }
1432
1433         if (*parameters[0] == 'e')
1434         {
1435                 stats_e(user);
1436         }
1437
1438         /* stats m (list number of times each command has been used, plus bytecount) */
1439         if (*parameters[0] == 'm')
1440         {
1441                 for (unsigned int i = 0; i < cmdlist.size(); i++)
1442                 {
1443                         if (cmdlist[i].handler_function)
1444                         {
1445                                 if (cmdlist[i].use_count)
1446                                 {
1447                                         /* RPL_STATSCOMMANDS */
1448                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1449                                 }
1450                         }
1451                 }
1452
1453         }
1454
1455         /* stats z (debug and memory info) */
1456         if (*parameters[0] == 'z')
1457         {
1458                 rusage R;
1459                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1460                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1461                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1462                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1463                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1464                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1465                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1466                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1467                 if (!getrusage(RUSAGE_SELF,&R))
1468                 {
1469                         WriteServ(user->fd,"249 %s :Total allocation: %luK (0x%lx)",user->nick,R.ru_maxrss,R.ru_maxrss);
1470                         WriteServ(user->fd,"249 %s :Signals:          %lu  (0x%lx)",user->nick,R.ru_nsignals,R.ru_nsignals);
1471                         WriteServ(user->fd,"249 %s :Page faults:      %lu  (0x%lx)",user->nick,R.ru_majflt,R.ru_majflt);
1472                         WriteServ(user->fd,"249 %s :Swaps:            %lu  (0x%lx)",user->nick,R.ru_nswap,R.ru_nswap);
1473                         WriteServ(user->fd,"249 %s :Context Switches: %lu  (0x%lx)",user->nick,R.ru_nvcsw+R.ru_nivcsw,R.ru_nvcsw+R.ru_nivcsw);
1474                 }
1475         }
1476
1477         if (*parameters[0] == 'T')
1478         {
1479                 WriteServ(user->fd,"249 Brain :accepts %d refused %d",statsAccept,statsRefused);
1480                 WriteServ(user->fd,"249 Brain :unknown commands %d",statsUnknown);
1481                 WriteServ(user->fd,"249 Brain :nick collisions %d",statsCollisions);
1482                 WriteServ(user->fd,"249 Brain :dns requests %d succeeded %d failed %d",statsDns,statsDnsGood,statsDnsBad);
1483                 WriteServ(user->fd,"249 Brain :connections %d",statsConnects);
1484                 WriteServ(user->fd,"249 Brain :bytes sent %dK recv %dK",(statsSent / 1024),(statsRecv / 1024));
1485         }
1486
1487         /* stats o */
1488         if (*parameters[0] == 'o')
1489         {
1490                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1491                 {
1492                         char LoginName[MAXBUF];
1493                         char HostName[MAXBUF];
1494                         char OperType[MAXBUF];
1495                         ConfValue("oper","name",i,LoginName,&config_f);
1496                         ConfValue("oper","host",i,HostName,&config_f);
1497                         ConfValue("oper","type",i,OperType,&config_f);
1498                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1499                 }
1500         }
1501
1502         /* stats l (show user I/O stats) */
1503         if (*parameters[0] == 'l')
1504         {
1505                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1506                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1507                 {
1508                         if (isnick(i->second->nick))
1509                         {
1510                                 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);
1511                         }
1512                         else
1513                         {
1514                                 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);
1515                         }
1516
1517                 }
1518         }
1519
1520         /* stats u (show server uptime) */
1521         if (*parameters[0] == 'u')
1522         {
1523                 time_t current_time = 0;
1524                 current_time = TIME;
1525                 time_t server_uptime = current_time - startup_time;
1526                 struct tm* stime;
1527                 stime = gmtime(&server_uptime);
1528                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1529                  * Craig suggested this, and it seemed a good idea so in it went */
1530                 if (stime->tm_year > 70)
1531                 {
1532                         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);
1533                 }
1534                 else
1535                 {
1536                         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);
1537                 }
1538         }
1539
1540         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1541         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1542
1543 }
1544
1545
1546 void handle_connect(char **parameters, int pcnt, userrec *user)
1547 {
1548 }
1549
1550 void handle_squit(char **parameters, int pcnt, userrec *user)
1551 {
1552 }
1553
1554 void handle_links(char **parameters, int pcnt, userrec *user)
1555 {
1556         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1557         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1558 }
1559
1560 void handle_map(char **parameters, int pcnt, userrec *user)
1561 {
1562         // as with /LUSERS this does nothing without a linking
1563         // module to override its behaviour and display something
1564         // better.
1565         WriteServ(user->fd,"006 %s :%s",user->nick,ServerName);
1566         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1567 }
1568
1569 bool is_uline(const char* server)
1570 {
1571         char ServName[MAXBUF];
1572
1573         if (!server)
1574                 return false;
1575         if (!(*server))
1576                 return true;
1577
1578         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1579         {
1580                 ConfValue("uline","server",i,ServName,&config_f);
1581                 if (!strcasecmp(server,ServName))
1582                 {
1583                         return true;
1584                 }
1585         }
1586         return false;
1587 }
1588 int operstrcmp(char* data,char* input)
1589 {
1590         int MOD_RESULT = 0;
1591         FOREACH_RESULT(OnOperCompare(data,input))
1592         log(DEBUG,"operstrcmp: %d",MOD_RESULT);
1593         if (MOD_RESULT == 1)
1594                 return 0;
1595         if (MOD_RESULT == -1)
1596                 return 1;
1597         log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
1598         return strcmp(data,input);
1599 }
1600
1601 void handle_oper(char **parameters, int pcnt, userrec *user)
1602 {
1603         char LoginName[MAXBUF];
1604         char Password[MAXBUF];
1605         char OperType[MAXBUF];
1606         char TypeName[MAXBUF];
1607         char HostName[MAXBUF];
1608         char TheHost[MAXBUF];
1609         int j;
1610         bool found = false;
1611         bool fail2 = false;
1612
1613         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1614
1615         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1616         {
1617                 ConfValue("oper","name",i,LoginName,&config_f);
1618                 ConfValue("oper","password",i,Password,&config_f);
1619                 ConfValue("oper","type",i,OperType,&config_f);
1620                 ConfValue("oper","host",i,HostName,&config_f);
1621                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1622                 {
1623                         fail2 = true;
1624                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1625                         {
1626                                 ConfValue("type","name",j,TypeName,&config_f);
1627
1628                                 if (!strcmp(TypeName,OperType))
1629                                 {
1630                                         /* found this oper's opertype */
1631                                         ConfValue("type","host",j,HostName,&config_f);
1632                                         if (*HostName)
1633                                                 ChangeDisplayedHost(user,HostName);
1634                                         strlcpy(user->oper,TypeName,NICKMAX);
1635                                         found = true;
1636                                         fail2 = false;
1637                                         break;
1638                                 }
1639                         }
1640                 }
1641                 if (found)
1642                         break;
1643         }
1644         if (found)
1645         {
1646                 /* correct oper credentials */
1647                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1648                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1649                 if (!strchr(user->modes,'o'))
1650                 {
1651                         strcat(user->modes,"o");
1652                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1653                         FOREACH_MOD OnOper(user,OperType);
1654                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1655                         AddOper(user);
1656                 }
1657         }
1658         else
1659         {
1660                 if (!fail2)
1661                 {
1662                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1663                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1664                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1665                 }
1666                 else
1667                 {
1668                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1669                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1670                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1671                 }
1672         }
1673         return;
1674 }
1675
1676 void handle_nick(char **parameters, int pcnt, userrec *user)
1677 {
1678         if (pcnt < 1)
1679         {
1680                 log(DEBUG,"not enough params for handle_nick");
1681                 return;
1682         }
1683         if (!parameters[0])
1684         {
1685                 log(DEBUG,"invalid parameter passed to handle_nick");
1686                 return;
1687         }
1688         if (!parameters[0][0])
1689         {
1690                 log(DEBUG,"zero length new nick passed to handle_nick");
1691                 return;
1692         }
1693         if (!user)
1694         {
1695                 log(DEBUG,"invalid user passed to handle_nick");
1696                 return;
1697         }
1698         if (!user->nick)
1699         {
1700                 log(DEBUG,"invalid old nick passed to handle_nick");
1701                 return;
1702         }
1703         if (!strcasecmp(user->nick,parameters[0]))
1704         {
1705                 log(DEBUG,"old nick is new nick, skipping");
1706                 return;
1707         }
1708         else
1709         {
1710                 if (strlen(parameters[0]) > 1)
1711                 {
1712                         if (parameters[0][0] == ':')
1713                         {
1714                                 *parameters[0]++;
1715                         }
1716                 }
1717                 if (matches_qline(parameters[0]))
1718                 {
1719                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1720                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1721                         return;
1722                 }
1723                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1724                 {
1725                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1726                         return;
1727                 }
1728         }
1729         if (isnick(parameters[0]) == 0)
1730         {
1731                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1732                 return;
1733         }
1734
1735         if (user->registered == 7)
1736         {
1737                 int MOD_RESULT = 0;
1738                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1739                 if (MOD_RESULT) {
1740                         // if a module returns true, the nick change is silently forbidden.
1741                         return;
1742                 }
1743
1744                 WriteCommon(user,"NICK %s",parameters[0]);
1745
1746         }
1747
1748         char oldnick[NICKMAX];
1749         strlcpy(oldnick,user->nick,NICKMAX);
1750
1751         /* change the nick of the user in the users_hash */
1752         user = ReHashNick(user->nick, parameters[0]);
1753         /* actually change the nick within the record */
1754         if (!user) return;
1755         if (!user->nick) return;
1756
1757         strlcpy(user->nick, parameters[0],NICKMAX);
1758
1759         log(DEBUG,"new nick set: %s",user->nick);
1760
1761         if (user->registered < 3)
1762         {
1763                 user->registered = (user->registered | 2);
1764                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1765                 // and unless we're lucky we'll get a duff one later on.
1766                 //user->dns_done = (!lookup_dns(user->nick));
1767                 //if (user->dns_done)
1768                 //      log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1769
1770 #ifdef THREADED_DNS
1771                 // initialize their dns lookup thread
1772                 if (pthread_create(&user->dnsthread, NULL, dns_task, (void *)user) != 0)
1773                 {
1774                         log(DEBUG,"Failed to create DNS lookup thread for user %s",user->nick);
1775                 }
1776 #else
1777                 user->dns_done = (!lookup_dns(user->nick));
1778                 if (user->dns_done)
1779                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1780 #endif
1781
1782         }
1783         if (user->registered == 3)
1784         {
1785                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1786                 FOREACH_MOD OnUserRegister(user);
1787                 ConnectUser(user);
1788         }
1789         if (user->registered == 7)
1790         {
1791                 FOREACH_MOD OnUserPostNick(user,oldnick);
1792         }
1793 }
1794
1795 long duration(const char* str)
1796 {
1797         char n_field[MAXBUF];
1798         long total = 0;
1799         const char* str_end = str + strlen(str);
1800         n_field[0] = 0;
1801
1802         if ((!strchr(str,'s')) && (!strchr(str,'m')) && (!strchr(str,'h')) && (!strchr(str,'d')) && (!strchr(str,'w')) && (!strchr(str,'y')))
1803         {
1804                 std::string n = str;
1805                 n = n + "s";
1806                 return duration(n.c_str());
1807         }
1808
1809         for (char* i = (char*)str; i < str_end; i++)
1810         {
1811                 // if we have digits, build up a string for the value in n_field,
1812                 // up to 10 digits in size.
1813                 if ((*i >= '0') && (*i <= '9'))
1814                 {
1815                         strlcat(n_field,i,10);
1816                 }
1817                 else
1818                 {
1819                         // we dont have a digit, check for numeric tokens
1820                         switch (tolower(*i))
1821                         {
1822                                 case 's':
1823                                         total += atoi(n_field);
1824                                 break;
1825
1826                                 case 'm':
1827                                         total += (atoi(n_field)*duration_m);
1828                                 break;
1829
1830                                 case 'h':
1831                                         total += (atoi(n_field)*duration_h);
1832                                 break;
1833
1834                                 case 'd':
1835                                         total += (atoi(n_field)*duration_d);
1836                                 break;
1837
1838                                 case 'w':
1839                                         total += (atoi(n_field)*duration_w);
1840                                 break;
1841
1842                                 case 'y':
1843                                         total += (atoi(n_field)*duration_y);
1844                                 break;
1845                         }
1846                         n_field[0] = 0;
1847                 }
1848         }
1849         // add trailing seconds
1850         total += atoi(n_field);
1851
1852         return total;
1853 }
1854
1855 /* All other ircds when doing this check usually just look for a string of *@* or *. We're smarter than that, though. */
1856
1857 bool host_matches_everyone(std::string mask, userrec* user)
1858 {
1859         char insanemasks[MAXBUF];
1860         char buffer[MAXBUF];
1861         char itrigger[MAXBUF];
1862         ConfValue("insane","hostmasks",0,insanemasks,&config_f);
1863         ConfValue("insane","trigger",0,itrigger,&config_f);
1864         if (*itrigger == 0)
1865                 strlcpy(itrigger,"95.5",MAXBUF);
1866         if ((*insanemasks == 'y') || (*insanemasks == 't') || (*insanemasks == '1'))
1867                 return false;
1868         long matches = 0;
1869         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1870         {
1871                 strlcpy(buffer,u->second->ident,MAXBUF);
1872                 strlcat(buffer,"@",MAXBUF);
1873                 strlcat(buffer,u->second->host,MAXBUF);
1874                 if (match(buffer,mask.c_str()))
1875                         matches++;
1876         }
1877         float percent = ((float)matches / (float)clientlist.size()) * 100;
1878         if (percent > (float)atof(itrigger))
1879         {
1880                 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);
1881                 return true;
1882         }
1883         return false;
1884 }
1885
1886 bool ip_matches_everyone(std::string ip, userrec* user)
1887 {
1888         char insanemasks[MAXBUF];
1889         char itrigger[MAXBUF];
1890         ConfValue("insane","ipmasks",0,insanemasks,&config_f);
1891         ConfValue("insane","trigger",0,itrigger,&config_f);
1892         if (*itrigger == 0)
1893                 strlcpy(itrigger,"95.5",MAXBUF);
1894         if ((*insanemasks == 'y') || (*insanemasks == 't') || (*insanemasks == '1'))
1895                 return false;
1896         long matches = 0;
1897         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1898         {
1899                 if (match(u->second->ip,ip.c_str()))
1900                         matches++;
1901         }
1902         float percent = ((float)matches / (float)clientlist.size()) * 100;
1903         if (percent > (float)atof(itrigger))
1904         {
1905                 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);
1906                 return true;
1907         }
1908         return false;
1909 }
1910
1911 bool nick_matches_everyone(std::string nick, userrec* user)
1912 {
1913         char insanemasks[MAXBUF];
1914         char itrigger[MAXBUF];
1915         ConfValue("insane","nickmasks",0,insanemasks,&config_f);
1916         ConfValue("insane","trigger",0,itrigger,&config_f);
1917         if (*itrigger == 0)
1918                 strlcpy(itrigger,"95.5",MAXBUF);
1919         if ((*insanemasks == 'y') || (*insanemasks == 't') || (*insanemasks == '1'))
1920                 return false;
1921         long matches = 0;
1922         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
1923         {
1924                 if (match(u->second->nick,nick.c_str()))
1925                         matches++;
1926         }
1927         float percent = ((float)matches / (float)clientlist.size()) * 100;
1928         if (percent > (float)atof(itrigger))
1929         {
1930                 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);
1931                 return true;
1932         }
1933         return false;
1934 }
1935
1936 void handle_kline(char **parameters, int pcnt, userrec *user)
1937 {
1938         if (pcnt >= 3)
1939         {
1940                 if (host_matches_everyone(parameters[0],user))
1941                         return;
1942                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
1943                 FOREACH_MOD OnAddKLine(duration(parameters[1]), user, parameters[2], parameters[0]);
1944                 if (!duration(parameters[1]))
1945                 {
1946                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
1947                 }
1948                 else
1949                 {
1950                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
1951                 }
1952         }
1953         else
1954         {
1955                 if (del_kline(parameters[0]))
1956                 {
1957                         FOREACH_MOD OnDelKLine(user, parameters[0]);
1958                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
1959                 }
1960                 else
1961                 {
1962                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
1963                 }
1964         }
1965         apply_lines();
1966 }
1967
1968 void handle_eline(char **parameters, int pcnt, userrec *user)
1969 {
1970         if (pcnt >= 3)
1971         {
1972                 if (host_matches_everyone(parameters[0],user))
1973                         return;
1974                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
1975                 FOREACH_MOD OnAddELine(duration(parameters[1]), user, parameters[2], parameters[0]);
1976                 if (!duration(parameters[1]))
1977                 {
1978                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
1979                 }
1980                 else
1981                 {
1982                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
1983                 }
1984         }
1985         else
1986         {
1987                 if (del_eline(parameters[0]))
1988                 {
1989                         FOREACH_MOD OnDelELine(user, parameters[0]);
1990                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
1991                 }
1992                 else
1993                 {
1994                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
1995                 }
1996         }
1997         // no need to apply the lines for an eline
1998 }
1999
2000 void handle_gline(char **parameters, int pcnt, userrec *user)
2001 {
2002         if (pcnt >= 3)
2003         {
2004                 if (host_matches_everyone(parameters[0],user))
2005                         return;
2006                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
2007                 FOREACH_MOD OnAddGLine(duration(parameters[1]), user, parameters[2], parameters[0]);
2008                 if (!duration(parameters[1]))
2009                 {
2010                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
2011                 }
2012                 else
2013                 {
2014                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
2015                 }
2016         }
2017         else
2018         {
2019                 if (del_gline(parameters[0]))
2020                 {
2021                         FOREACH_MOD OnDelGLine(user, parameters[0]);
2022                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
2023                 }
2024                 else
2025                 {
2026                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
2027                 }
2028         }
2029         apply_lines();
2030 }
2031
2032 void handle_zline(char **parameters, int pcnt, userrec *user)
2033 {
2034         if (pcnt >= 3)
2035         {
2036                 if (ip_matches_everyone(parameters[0],user))
2037                         return;
2038                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
2039                 FOREACH_MOD OnAddZLine(duration(parameters[1]), user, parameters[2], parameters[0]);
2040                 if (!duration(parameters[1]))
2041                 {
2042                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
2043                 }
2044                 else
2045                 {
2046                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
2047                 }
2048         }
2049         else
2050         {
2051                 if (del_zline(parameters[0]))
2052                 {
2053                         FOREACH_MOD OnDelZLine(user, parameters[0]);
2054                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
2055                 }
2056                 else
2057                 {
2058                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
2059                 }
2060         }
2061         apply_lines();
2062 }
2063
2064 void handle_qline(char **parameters, int pcnt, userrec *user)
2065 {
2066         if (pcnt >= 3)
2067         {
2068                 if (nick_matches_everyone(parameters[0],user))
2069                         return;
2070                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
2071                 FOREACH_MOD OnAddQLine(duration(parameters[1]), user, parameters[2], parameters[0]);
2072                 if (!duration(parameters[1]))
2073                 {
2074                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
2075                 }
2076                 else
2077                 {
2078                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
2079                 }
2080         }
2081         else
2082         {
2083                 if (del_qline(parameters[0]))
2084                 {
2085                         FOREACH_MOD OnDelQLine(user, parameters[0]);
2086                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
2087                 }
2088                 else
2089                 {
2090                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
2091                 }
2092         }
2093         apply_lines();
2094 }
2095
2096