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