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 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern std::vector<int> fd_reap;
  95 extern std::vector<std::string> module_names;
  96
  97 extern char MyExecutable[1024];
  98 extern int boundPortCount;
  99 extern int portCount;
 100 extern int UDPportCount;
 101 extern int ports[MAXSOCKS];
 102 extern int defaultRoute;
 103
 104 extern std::vector<long> auth_cookies;
 105 extern std::stringstream config_f;
 106
 107 extern serverrec* me[32];
 108
 109 extern FILE *log_file;
 110
 111 extern ClassVector Classes;
 112
 113 const long duration_m = 60;
 114 const long duration_h = duration_m * 60;
 115 const long duration_d = duration_h * 24;
 116 const long duration_w = duration_d * 7;
 117 const long duration_y = duration_w * 52;
 118
 119 namespace nspace
 120 {
 121 #ifdef GCC34
 122         template<> struct hash<in_addr>
 123 #else
 124         template<> struct nspace::hash<in_addr>
 125 #endif
 126         {
 127                 size_t operator()(const struct in_addr &a) const
 128                 {
 129                         size_t q;
 130                         memcpy(&q,&a,sizeof(size_t));
 131                         return q;
 132                 }
 133         };
 134 #ifdef GCC34
 135         template<> struct hash<string>
 136 #else
 137         template<> struct nspace::hash<string>
 138 #endif
 139         {
 140                 size_t operator()(const string &s) const
 141                 {
 142                         char a[MAXBUF];
 143                         static struct hash<const char *> strhash;
 144                         strlcpy(a,s.c_str(),MAXBUF);
 145                         strlower(a);
 146                         return strhash(a);
 147                 }
 148         };
 149 }
 150
 151
 152 struct StrHashComp
 153 {
 154
 155         bool operator()(const string& s1, const string& s2) const
 156         {
 157                 char a[MAXBUF],b[MAXBUF];
 158                 strlcpy(a,s1.c_str(),MAXBUF);
 159                 strlcpy(b,s2.c_str(),MAXBUF);
 160                 return (strcasecmp(a,b) == 0);
 161         }
 162
 163 };
 164
 165 struct InAddr_HashComp
 166 {
 167
 168         bool operator()(const in_addr &s1, const in_addr &s2) const
 169         {
 170                 size_t q;
 171                 size_t p;
 172
 173                 memcpy(&q,&s1,sizeof(size_t));
 174                 memcpy(&p,&s2,sizeof(size_t));
 175
 176                 return (q == p);
 177         }
 178
 179 };
 180
 181
 182 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 183 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 184 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 185 typedef std::deque<command_t> command_table;
 186
 187
 188 extern user_hash clientlist;
 189 extern chan_hash chanlist;
 190 extern user_hash whowas;
 191 extern command_table cmdlist;
 192 extern file_cache MOTD;
 193 extern file_cache RULES;
 194 extern address_cache IP;
 195
 196
 197 void handle_join(char **parameters, int pcnt, userrec *user)
 198 {
 199         chanrec* Ptr;
 200         int i = 0;
 201
 202         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 203                 return;
 204         if (parameters[0][0] == '#')
 205         {
 206                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 207         }
 208 }
 209
 210
 211 void handle_part(char **parameters, int pcnt, userrec *user)
 212 {
 213         chanrec* Ptr;
 214
 215         if (pcnt > 1)
 216         {
 217                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 218                         return;
 219                 del_channel(user,parameters[0],parameters[1],false);
 220         }
 221         else
 222         {
 223                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 224                         return;
 225                 del_channel(user,parameters[0],NULL,false);
 226         }
 227 }
 228
 229 void handle_kick(char **parameters, int pcnt, userrec *user)
 230 {
 231         chanrec* Ptr = FindChan(parameters[0]);
 232         userrec* u   = Find(parameters[1]);
 233
 234         if ((!u) || (!Ptr))
 235         {
 236                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 237                 return;
 238         }
 239
 240         if (!has_channel(user,Ptr))
 241         {
 242                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 243                 return;
 244         }
 245
 246         char reason[MAXBUF];
 247
 248         if (pcnt > 2)
 249         {
 250                 strlcpy(reason,parameters[2],MAXBUF);
 251                 if (strlen(reason)>MAXKICK)
 252                 {
 253                         reason[MAXKICK-1] = '\0';
 254                 }
 255
 256                 kick_channel(user,u,Ptr,reason);
 257         }
 258         else
 259         {
 260                 strlcpy(reason,user->nick,MAXBUF);
 261                 kick_channel(user,u,Ptr,reason);
 262         }
 263
 264         // this must be propogated so that channel membership is kept in step network-wide
 265
 266         char buffer[MAXBUF];
 267         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 268         NetSendToAll(buffer);
 269 }
 270
 271
 272 void handle_die(char **parameters, int pcnt, userrec *user)
 273 {
 274         log(DEBUG,"die: %s",user->nick);
 275         if (!strcmp(parameters[0],diepass))
 276         {
 277                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 278                 sleep(DieDelay);
 279                 Exit(ERROR);
 280         }
 281         else
 282         {
 283                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 284         }
 285 }
 286
 287 void handle_restart(char **parameters, int pcnt, userrec *user)
 288 {
 289         char restart[1024];
 290         char *argv[32];
 291         log(DEFAULT,"Restart: %s",user->nick);
 292         if (!strcmp(parameters[0],restartpass))
 293         {
 294                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 295
 296                 argv[0] = MyExecutable;
 297                 argv[1] = "-wait";
 298                 if (nofork)
 299                 {
 300                         argv[2] = "-nofork";
 301                 }
 302                 else
 303                 {
 304                         argv[2] = NULL;
 305                 }
 306                 argv[3] = NULL;
 307
 308                 // close ALL file descriptors
 309                 send_error("Server restarting.");
 310                 sleep(1);
 311                 for (int i = 0; i < 65536; i++)
 312                 {
 313                         int on = 0;
 314                         struct linger linger = { 0 };
 315                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 316                         linger.l_onoff = 1;
 317                         linger.l_linger = 0;
 318                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 319                         Blocking(i);
 320                         close(i);
 321                 }
 322                 sleep(5);
 323
 324                 execv(MyExecutable,argv);
 325
 326                 exit(0);
 327         }
 328         else
 329         {
 330                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 331         }
 332 }
 333
 334 void handle_kill(char **parameters, int pcnt, userrec *user)
 335 {
 336         userrec *u = Find(parameters[0]);
 337         char killreason[MAXBUF];
 338
 339         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 340         if (u)
 341         {
 342                 int MOD_RESULT = 0;
 343                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 344                 if (MOD_RESULT) {
 345                         return;
 346                 }
 347
 348                 if (strcmp(ServerName,u->server))
 349                 {
 350                         // remote kill
 351                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 352                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 353                         WriteCommonExcept(u,"QUIT :%s",killreason);
 354                         // K token must go to ALL servers!!!
 355                         char buffer[MAXBUF];
 356                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 357                         NetSendToAll(buffer);
 358
 359                         user_hash::iterator iter = clientlist.find(u->nick);
 360                         if (iter != clientlist.end())
 361                         {
 362                                 log(DEBUG,"deleting user hash value %d",iter->second);
 363                                 if ((iter->second) && (user->registered == 7)) {
 364                                         delete iter->second;
 365                                         }
 366                         clientlist.erase(iter);
 367                         }
 368                         purge_empty_chans();
 369                 }
 370                 else
 371                 {
 372                         // local kill
 373                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 374                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 375                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 376                         kill_link(u,killreason);
 377                 }
 378         }
 379         else
 380         {
 381                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 382         }
 383 }
 384
 385 void handle_summon(char **parameters, int pcnt, userrec *user)
 386 {
 387         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 388 }
 389
 390 void handle_users(char **parameters, int pcnt, userrec *user)
 391 {
 392         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 393 }
 394
 395 void handle_pass(char **parameters, int pcnt, userrec *user)
 396 {
 397         // Check to make sure they havnt registered -- Fix by FCS
 398         if (user->registered == 7)
 399         {
 400                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 401                 return;
 402         }
 403         if (!strcasecmp(parameters[0],Passwd(user)))
 404         {
 405                 user->haspassed = true;
 406         }
 407 }
 408
 409 void handle_invite(char **parameters, int pcnt, userrec *user)
 410 {
 411         userrec* u = Find(parameters[0]);
 412         chanrec* c = FindChan(parameters[1]);
 413
 414         if ((!c) || (!u))
 415         {
 416                 if (!c)
 417                 {
 418                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 419                 }
 420                 else
 421                 {
 422                         if (c->inviteonly)
 423                         {
 424                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 425                         }
 426                 }
 427
 428                 return;
 429         }
 430
 431         if (c->inviteonly)
 432         {
 433                 if (cstatus(user,c) < STATUS_HOP)
 434                 {
 435                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 436                         return;
 437                 }
 438         }
 439         if (has_channel(u,c))
 440         {
 441                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 442                 return;
 443         }
 444         if (!has_channel(user,c))
 445         {
 446                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 447                 return;
 448         }
 449
 450         int MOD_RESULT = 0;
 451         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 452         if (MOD_RESULT == 1) {
 453                 return;
 454         }
 455
 456         u->InviteTo(c->name);
 457         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 458         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 459
 460         // i token must go to ALL servers!!!
 461         char buffer[MAXBUF];
 462         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 463         NetSendToAll(buffer);
 464 }
 465
 466 void handle_topic(char **parameters, int pcnt, userrec *user)
 467 {
 468         chanrec* Ptr;
 469
 470         if (pcnt == 1)
 471         {
 472                 if (strlen(parameters[0]) <= CHANMAX)
 473                 {
 474                         Ptr = FindChan(parameters[0]);
 475                         if (Ptr)
 476                         {
 477                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 478                                 {
 479                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 480                                         return;
 481                                 }
 482                                 if (Ptr->topicset)
 483                                 {
 484                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 485                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 486                                 }
 487                                 else
 488                                 {
 489                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 490                                 }
 491                         }
 492                         else
 493                         {
 494                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 495                         }
 496                 }
 497                 return;
 498         }
 499         else if (pcnt>1)
 500         {
 501                 if (strlen(parameters[0]) <= CHANMAX)
 502                 {
 503                         Ptr = FindChan(parameters[0]);
 504                         if (Ptr)
 505                         {
 506                                 if ((Ptr) && (!has_channel(user,Ptr)))
 507                                 {
 508                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 509                                         return;
 510                                 }
 511                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 512                                 {
 513                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 514                                         return;
 515                                 }
 516
 517                                 char topic[MAXBUF];
 518                                 strlcpy(topic,parameters[1],MAXBUF);
 519                                 if (strlen(topic)>MAXTOPIC)
 520                                 {
 521                                         topic[MAXTOPIC-1] = '\0';
 522                                 }
 523
 524                                 strlcpy(Ptr->topic,topic,MAXBUF);
 525                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 526                                 Ptr->topicset = time(NULL);
 527                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 528
 529                                 // t token must go to ALL servers!!!
 530                                 char buffer[MAXBUF];
 531                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 532                                 NetSendToAll(buffer);
 533                         }
 534                         else
 535                         {
 536                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 537                         }
 538                 }
 539         }
 540 }
 541
 542 void handle_names(char **parameters, int pcnt, userrec *user)
 543 {
 544         chanrec* c;
 545
 546         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 547                 return;
 548         c = FindChan(parameters[0]);
 549         if (c)
 550         {
 551                 if (((c) && (!has_channel(user,c))) && (c->secret))
 552                 {
 553                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 554                       return;
 555                 }
 556                 userlist(user,c);
 557                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 558         }
 559         else
 560         {
 561                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 562         }
 563 }
 564
 565 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 566 {
 567         userrec *dest;
 568         chanrec *chan;
 569
 570         user->idle_lastmsg = time(NULL);
 571
 572         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 573                 return;
 574         if (parameters[0][0] == '#')
 575         {
 576                 chan = FindChan(parameters[0]);
 577                 if (chan)
 578                 {
 579                         if ((chan->noexternal) && (!has_channel(user,chan)))
 580                         {
 581                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 582                                 return;
 583                         }
 584                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 585                         {
 586                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 587                                 return;
 588                         }
 589
 590                         int MOD_RESULT = 0;
 591
 592                         std::string temp = parameters[1];
 593                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 594                         if (MOD_RESULT) {
 595                                 return;
 596                         }
 597                         parameters[1] = (char*)temp.c_str();
 598
 599                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 600
 601                         // if any users of this channel are on remote servers, broadcast the packet
 602                         char buffer[MAXBUF];
 603                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 604                         NetSendToCommon(user,buffer);
 605                 }
 606                 else
 607                 {
 608                         /* no such nick/channel */
 609                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 610                 }
 611                 return;
 612         }
 613
 614         dest = Find(parameters[0]);
 615         if (dest)
 616         {
 617                 if (strcmp(dest->awaymsg,""))
 618                 {
 619                         /* auto respond with aweh msg */
 620                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 621                 }
 622
 623                 int MOD_RESULT = 0;
 624
 625                 std::string temp = parameters[1];
 626                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 627                 if (MOD_RESULT) {
 628                         return;
 629                 }
 630                 parameters[1] = (char*)temp.c_str();
 631
 632
 633
 634                 if (!strcmp(dest->server,user->server))
 635                 {
 636                         // direct write, same server
 637                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 638                 }
 639                 else
 640                 {
 641                         char buffer[MAXBUF];
 642                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 643                         NetSendToOne(dest->server,buffer);
 644                 }
 645         }
 646         else
 647         {
 648                 /* no such nick/channel */
 649                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 650         }
 651 }
 652
 653 void handle_notice(char **parameters, int pcnt, userrec *user)
 654 {
 655         userrec *dest;
 656         chanrec *chan;
 657
 658         user->idle_lastmsg = time(NULL);
 659
 660         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 661                 return;
 662         if (parameters[0][0] == '#')
 663         {
 664                 chan = FindChan(parameters[0]);
 665                 if (chan)
 666                 {
 667                         if ((chan->noexternal) && (!has_channel(user,chan)))
 668                         {
 669                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 670                                 return;
 671                         }
 672                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 673                         {
 674                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 675                                 return;
 676                         }
 677
 678                         int MOD_RESULT = 0;
 679
 680                         std::string temp = parameters[1];
 681                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 682                         if (MOD_RESULT) {
 683                                 return;
 684                         }
 685                         parameters[1] = (char*)temp.c_str();
 686
 687                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 688
 689                         // if any users of this channel are on remote servers, broadcast the packet
 690                         char buffer[MAXBUF];
 691                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 692                         NetSendToCommon(user,buffer);
 693                 }
 694                 else
 695                 {
 696                         /* no such nick/channel */
 697                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 698                 }
 699                 return;
 700         }
 701
 702         dest = Find(parameters[0]);
 703         if (dest)
 704         {
 705                 int MOD_RESULT = 0;
 706
 707                 std::string temp = parameters[1];
 708                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 709                 if (MOD_RESULT) {
 710                         return;
 711                 }
 712                 parameters[1] = (char*)temp.c_str();
 713
 714                 if (!strcmp(dest->server,user->server))
 715                 {
 716                         // direct write, same server
 717                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 718                 }
 719                 else
 720                 {
 721                         char buffer[MAXBUF];
 722                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 723                         NetSendToOne(dest->server,buffer);
 724                 }
 725         }
 726         else
 727         {
 728                 /* no such nick/channel */
 729                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 730         }
 731 }
 732
 733 void handle_server(char **parameters, int pcnt, userrec *user)
 734 {
 735         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 736         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 737 }
 738
 739 void handle_info(char **parameters, int pcnt, userrec *user)
 740 {
 741         WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
 742         WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
 743         WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
 744         FOREACH_MOD OnInfo(user);
 745         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 746 }
 747
 748 void handle_time(char **parameters, int pcnt, userrec *user)
 749 {
 750         time_t rawtime;
 751         struct tm * timeinfo;
 752
 753         time ( &rawtime );
 754         timeinfo = localtime ( &rawtime );
 755         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 756
 757 }
 758
 759 void handle_whois(char **parameters, int pcnt, userrec *user)
 760 {
 761         userrec *dest;
 762         char *t;
 763
 764         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 765                 return;
 766         dest = Find(parameters[0]);
 767         if (dest)
 768         {
 769                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 770                 if (dest->registered == 7)
 771                 {
 772                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 773                         if ((user == dest) || (strchr(user->modes,'o')))
 774                         {
 775                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 776                         }
 777                         if (strcmp(chlist(dest),""))
 778                         {
 779                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 780                         }
 781                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 782                         if (strcmp(dest->awaymsg,""))
 783                         {
 784                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 785                         }
 786                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 787                         {
 788                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 789                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 790                         }
 791                         FOREACH_MOD OnWhois(user,dest);
 792                         if (!strcasecmp(user->server,dest->server))
 793                         {
 794                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 795                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-time(NULL)), dest->signon);
 796                         }
 797
 798                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 799                 }
 800                 else
 801                 {
 802                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 803                 }
 804         }
 805         else
 806         {
 807                 /* no such nick/channel */
 808                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 809         }
 810 }
 811
 812 void handle_quit(char **parameters, int pcnt, userrec *user)
 813 {
 814         user_hash::iterator iter = clientlist.find(user->nick);
 815         char* reason;
 816
 817         if (user->registered == 7)
 818         {
 819                 /* theres more to do here, but for now just close the socket */
 820                 if (pcnt == 1)
 821                 {
 822                         if (parameters[0][0] == ':')
 823                         {
 824                                 *parameters[0]++;
 825                         }
 826                         reason = parameters[0];
 827
 828                         if (strlen(reason)>MAXQUIT)
 829                         {
 830                                 reason[MAXQUIT-1] = '\0';
 831                         }
 832
 833                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 834                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 835                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 836
 837                         char buffer[MAXBUF];
 838                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 839                         NetSendToAll(buffer);
 840                 }
 841                 else
 842                 {
 843                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 844                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 845                         WriteCommonExcept(user,"QUIT :Client exited");
 846
 847                         char buffer[MAXBUF];
 848                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 849                         NetSendToAll(buffer);
 850                 }
 851                 FOREACH_MOD OnUserQuit(user);
 852                 AddWhoWas(user);
 853         }
 854
 855         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 856         fd_reap.push_back(user->fd);
 857
 858         if (iter != clientlist.end())
 859         {
 860                 clientlist.erase(iter);
 861                 log(DEBUG,"deleting user hash value %d",iter->second);
 862                 //if ((user) && (user->registered == 7)) {
 863                         //delete user;
 864                 //}
 865         }
 866
 867         if (user->registered == 7) {
 868                 purge_empty_chans();
 869         }
 870 }
 871
 872 void handle_who(char **parameters, int pcnt, userrec *user)
 873 {
 874         chanrec* Ptr = NULL;
 875         char tmp[10];
 876
 877         /* theres more to do here, but for now just close the socket */
 878         if (pcnt == 1)
 879         {
 880                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 881                 {
 882                         if (user->chans[0].channel)
 883                         {
 884                                 int n_list = 0;
 885                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 886                                 {
 887                                         Ptr = i->second->chans[0].channel;
 888                                         // suggested by phidjit and FCS
 889                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 890                                         {
 891                                                 // Bug Fix #29
 892                                                 strcpy(tmp, "");
 893                                                 if (strcmp(i->second->awaymsg, "")) {
 894                                                         strncat(tmp, "G", 9);
 895                                                 } else {
 896                                                         strncat(tmp, "H", 9);
 897                                                 }
 898                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 899                                                 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);
 900                                                 n_list++;
 901                                                 if (n_list > MaxWhoResults)
 902                                                         break;
 903                                         }
 904                                 }
 905                         }
 906                         if (Ptr)
 907                         {
 908                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 909                         }
 910                         else
 911                         {
 912                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 913                         }
 914                         return;
 915                 }
 916                 if (parameters[0][0] == '#')
 917                 {
 918                         Ptr = FindChan(parameters[0]);
 919                         if (Ptr)
 920                         {
 921                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 922                                 {
 923                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
 924                                         {
 925                                                 // Fix Bug #29 - Part 2..
 926                                                 strcpy(tmp, "");
 927                                                 if (strcmp(i->second->awaymsg, "")) {
 928                                                         strncat(tmp, "G", 9);
 929                                                 } else {
 930                                                         strncat(tmp, "H", 9);
 931                                                 }
 932                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 933                                                 strcat(tmp, cmode(i->second, Ptr));
 934                                                 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);
 935                                         }
 936                                 }
 937                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 938                         }
 939                         else
 940                         {
 941                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 942                         }
 943                 }
 944                 else
 945                 {
 946                         userrec* u = Find(parameters[0]);
 947                         if (u)
 948                         {
 949                                 // Bug Fix #29 -- Part 29..
 950                                 strcpy(tmp, "");
 951                                 if (strcmp(u->awaymsg, "")) {
 952                                         strncat(tmp, "G" ,9);
 953                                 } else {
 954                                         strncat(tmp, "H" ,9);
 955                                 }
 956                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
 957                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->nick, u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
 958                         }
 959                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 960                 }
 961         }
 962         if (pcnt == 2)
 963         {
 964                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
 965                 {
 966                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 967                         {
 968                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
 969                                 {
 970                                         if (strchr(i->second->modes,'o'))
 971                                         {
 972                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
 973                                                 // But i'm a poor bastard with nothing better to do.
 974                                                 strcpy(tmp, "");
 975                                                 if (strcmp(i->second->awaymsg, "")) {
 976                                                         strncat(tmp, "G" ,9);
 977                                                 } else {
 978                                                         strncat(tmp, "H" ,9);
 979                                                 }
 980
 981                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s",user->nick, user->nick, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
 982                                         }
 983                                 }
 984                         }
 985                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 986                         return;
 987                 }
 988         }
 989 }
 990
 991 void handle_wallops(char **parameters, int pcnt, userrec *user)
 992 {
 993         WriteWallOps(user,false,"%s",parameters[0]);
 994 }
 995
 996 void handle_list(char **parameters, int pcnt, userrec *user)
 997 {
 998         chanrec* Ptr;
 999
1000         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1001         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1002         {
1003                 if ((!i->second->c_private) && (!i->second->secret))
1004                 {
1005                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1006                 }
1007         }
1008         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1009 }
1010
1011
1012 void handle_rehash(char **parameters, int pcnt, userrec *user)
1013 {
1014         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1015         ReadConfig(false,user);
1016         FOREACH_MOD OnRehash();
1017         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1018 }
1019
1020 void handle_lusers(char **parameters, int pcnt, userrec *user)
1021 {
1022         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1023         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1024         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1025         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1026         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1027 }
1028
1029 void handle_admin(char **parameters, int pcnt, userrec *user)
1030 {
1031         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1032         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1033         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1034         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1035 }
1036
1037 void handle_ping(char **parameters, int pcnt, userrec *user)
1038 {
1039         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1040 }
1041
1042 void handle_pong(char **parameters, int pcnt, userrec *user)
1043 {
1044         // set the user as alive so they survive to next ping
1045         user->lastping = 1;
1046 }
1047
1048 void handle_motd(char **parameters, int pcnt, userrec *user)
1049 {
1050         ShowMOTD(user);
1051 }
1052
1053 void handle_rules(char **parameters, int pcnt, userrec *user)
1054 {
1055         ShowRULES(user);
1056 }
1057
1058 void handle_user(char **parameters, int pcnt, userrec *user)
1059 {
1060         if (user->registered < 3)
1061         {
1062                 if (isident(parameters[0]) == 0) {
1063                         // This kinda Sucks, According to the RFC thou, its either this,
1064                         // or "You have already registered" :p -- Craig
1065                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1066                 }
1067                 else {
1068                         WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
1069                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1070                         strlcat(user->ident,parameters[0],IDENTMAX);
1071                         strlcpy(user->fullname,parameters[3],128);
1072                         user->registered = (user->registered | 1);
1073                 }
1074         }
1075         else
1076         {
1077                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1078                 return;
1079         }
1080         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1081         if (user->registered == 3)
1082         {
1083                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1084                 ConnectUser(user);
1085         }
1086 }
1087
1088 void handle_userhost(char **parameters, int pcnt, userrec *user)
1089 {
1090         char Return[MAXBUF],junk[MAXBUF];
1091         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1092         for (int i = 0; i < pcnt; i++)
1093         {
1094                 userrec *u = Find(parameters[i]);
1095                 if (u)
1096                 {
1097                         if (strchr(u->modes,'o'))
1098                         {
1099                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1100                                 strlcat(Return,junk,MAXBUF);
1101                         }
1102                         else
1103                         {
1104                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1105                                 strlcat(Return,junk,MAXBUF);
1106                         }
1107                 }
1108         }
1109         WriteServ(user->fd,Return);
1110 }
1111
1112
1113 void handle_ison(char **parameters, int pcnt, userrec *user)
1114 {
1115         char Return[MAXBUF];
1116         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1117         for (int i = 0; i < pcnt; i++)
1118         {
1119                 userrec *u = Find(parameters[i]);
1120                 if (u)
1121                 {
1122                         strlcat(Return,u->nick,MAXBUF);
1123                         strlcat(Return," ",MAXBUF);
1124                 }
1125         }
1126         WriteServ(user->fd,Return);
1127 }
1128
1129
1130 void handle_away(char **parameters, int pcnt, userrec *user)
1131 {
1132         if (pcnt)
1133         {
1134                 strlcpy(user->awaymsg,parameters[0],512);
1135                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1136         }
1137         else
1138         {
1139                 strlcpy(user->awaymsg,"",512);
1140                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1141         }
1142 }
1143
1144 void handle_whowas(char **parameters, int pcnt, userrec* user)
1145 {
1146         user_hash::iterator i = whowas.find(parameters[0]);
1147
1148         if (i == whowas.end())
1149         {
1150                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1151                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1152         }
1153         else
1154         {
1155                 time_t rawtime = i->second->signon;
1156                 tm *timeinfo;
1157                 char b[MAXBUF];
1158
1159                 timeinfo = localtime(&rawtime);
1160                 strlcpy(b,asctime(timeinfo),MAXBUF);
1161                 b[strlen(b)-1] = '\0';
1162
1163                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1164                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1165                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1166         }
1167
1168 }
1169
1170 void handle_trace(char **parameters, int pcnt, userrec *user)
1171 {
1172         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1173         {
1174                 if (i->second)
1175                 {
1176                         if (isnick(i->second->nick))
1177                         {
1178                                 if (strchr(i->second->modes,'o'))
1179                                 {
1180                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1181                                 }
1182                                 else
1183                                 {
1184                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1185                                 }
1186                         }
1187                         else
1188                         {
1189                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1190                         }
1191                 }
1192         }
1193 }
1194
1195 void handle_modules(char **parameters, int pcnt, userrec *user)
1196 {
1197         for (int i = 0; i < module_names.size(); i++)
1198         {
1199                         Version V = modules[i]->GetVersion();
1200                         char modulename[MAXBUF];
1201                         strlcpy(modulename,module_names[i].c_str(),256);
1202                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename));
1203         }
1204 }
1205
1206 void handle_stats(char **parameters, int pcnt, userrec *user)
1207 {
1208         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1209         if (pcnt != 1)
1210         {
1211                 return;
1212         }
1213         if (strlen(parameters[0])>1)
1214         {
1215                 /* make the stats query 1 character long */
1216                 parameters[0][1] = '\0';
1217         }
1218
1219
1220         if (!strcasecmp(parameters[0],"c"))
1221         {
1222                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1223                 {
1224                         ConfValue("link","name",i,Link_ServerName,&config_f);
1225                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1226                         ConfValue("link","port",i,Link_Port,&config_f);
1227                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1228                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1229                 }
1230         }
1231
1232         if (!strcasecmp(parameters[0],"i"))
1233         {
1234                 int idx = 0;
1235                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1236                 {
1237                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1238                         idx++;
1239                 }
1240         }
1241
1242         if (!strcasecmp(parameters[0],"y"))
1243         {
1244                 int idx = 0;
1245                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1246                 {
1247                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1248                         idx++;
1249                 }
1250         }
1251
1252         if (!strcmp(parameters[0],"U"))
1253         {
1254                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1255                 {
1256                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1257                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1258                 }
1259         }
1260
1261         if (!strcmp(parameters[0],"P"))
1262         {
1263                 int idx = 0;
1264                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1265                 {
1266                         if (strchr(i->second->modes,'o'))
1267                         {
1268                                 WriteServ(user->fd,"249 %s :%s (%s@%s) Idle: %d",user->nick,i->second->nick,i->second->ident,i->second->dhost,(time(NULL) - i->second->idle_lastmsg));
1269                                 idx++;
1270                         }
1271                 }
1272                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1273         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1274         }
1275
1276         if (!strcmp(parameters[0],"k"))
1277         {
1278                 stats_k(user);
1279         }
1280
1281         if (!strcmp(parameters[0],"g"))
1282         {
1283                 stats_g(user);
1284         }
1285
1286         if (!strcmp(parameters[0],"q"))
1287         {
1288                 stats_q(user);
1289         }
1290
1291         if (!strcmp(parameters[0],"Z"))
1292         {
1293                 stats_z(user);
1294         }
1295
1296         if (!strcmp(parameters[0],"e"))
1297         {
1298                 stats_e(user);
1299         }
1300
1301         /* stats m (list number of times each command has been used, plus bytecount) */
1302         if (!strcmp(parameters[0],"m"))
1303         {
1304                 for (int i = 0; i < cmdlist.size(); i++)
1305                 {
1306                         if (cmdlist[i].handler_function)
1307                         {
1308                                 if (cmdlist[i].use_count)
1309                                 {
1310                                         /* RPL_STATSCOMMANDS */
1311                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1312                                 }
1313                         }
1314                 }
1315
1316         }
1317
1318         /* stats z (debug and memory info) */
1319         if (!strcmp(parameters[0],"z"))
1320         {
1321                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1322                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1323                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1324                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1325                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1326                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1327                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1328                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1329         }
1330
1331         /* stats o */
1332         if (!strcmp(parameters[0],"o"))
1333         {
1334                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1335                 {
1336                         char LoginName[MAXBUF];
1337                         char HostName[MAXBUF];
1338                         char OperType[MAXBUF];
1339                         ConfValue("oper","name",i,LoginName,&config_f);
1340                         ConfValue("oper","host",i,HostName,&config_f);
1341                         ConfValue("oper","type",i,OperType,&config_f);
1342                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1343                 }
1344         }
1345
1346         /* stats l (show user I/O stats) */
1347         if (!strcmp(parameters[0],"l"))
1348         {
1349                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1350                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1351                 {
1352                         if (isnick(i->second->nick))
1353                         {
1354                                 WriteServ(user->fd,"211 %s :%s:%d %s %d %d %d %d",user->nick,ServerName,i->second->port,i->second->nick,i->second->bytes_in,i->second->cmds_in,i->second->bytes_out,i->second->cmds_out);
1355                         }
1356                         else
1357                         {
1358                                 WriteServ(user->fd,"211 %s :%s:%d (unknown@%d) %d %d %d %d",user->nick,ServerName,i->second->port,i->second->fd,i->second->bytes_in,i->second->cmds_in,i->second->bytes_out,i->second->cmds_out);
1359                         }
1360
1361                 }
1362         }
1363
1364         /* stats u (show server uptime) */
1365         if (!strcmp(parameters[0],"u"))
1366         {
1367                 time_t current_time = 0;
1368                 current_time = time(NULL);
1369                 time_t server_uptime = current_time - startup_time;
1370                 struct tm* stime;
1371                 stime = gmtime(&server_uptime);
1372                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1373                  * Craig suggested this, and it seemed a good idea so in it went */
1374                 if (stime->tm_year > 70)
1375                 {
1376                         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);
1377                 }
1378                 else
1379                 {
1380                         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);
1381                 }
1382         }
1383
1384         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1385         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1386
1387 }
1388
1389 void handle_connect(char **parameters, int pcnt, userrec *user)
1390 {
1391         char Link_ServerName[1024];
1392         char Link_IPAddr[1024];
1393         char Link_Port[1024];
1394         char Link_Pass[1024];
1395         int LinkPort;
1396         bool found = false;
1397
1398         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1399         {
1400                 if (!found)
1401                 {
1402                         ConfValue("link","name",i,Link_ServerName,&config_f);
1403                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1404                         ConfValue("link","port",i,Link_Port,&config_f);
1405                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1406                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1407                         LinkPort = atoi(Link_Port);
1408                         if (match(Link_ServerName,parameters[0])) {
1409                                 found = true;
1410                                 break;
1411                         }
1412                 }
1413         }
1414
1415         if (!found) {
1416                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1417                 return;
1418         }
1419
1420         // TODO: Perform a check here to stop a server being linked twice!
1421
1422         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1423
1424         if (me[defaultRoute])
1425         {
1426                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1427                 return;
1428         }
1429         else
1430         {
1431                 WriteServ(user->fd,"NOTICE %s :No default route is defined for server connections on this server. You must define a server connection to be default route so that sockets can be bound to it.",user->nick);
1432         }
1433 }
1434
1435 void handle_squit(char **parameters, int pcnt, userrec *user)
1436 {
1437         // send out an squit across the mesh and then clear the server list (for local squit)
1438         if (!pcnt)
1439         {
1440                 WriteOpers("SQUIT command issued by %s",user->nick);
1441                 char buffer[MAXBUF];
1442                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1443                 NetSendToAll(buffer);
1444                 DoSplitEveryone();
1445         }
1446         else
1447         {
1448                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1449         }
1450 }
1451
1452 void handle_links(char **parameters, int pcnt, userrec *user)
1453 {
1454         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1455         for (int j = 0; j < 32; j++)
1456         {
1457                 if (me[j] != NULL)
1458                 {
1459                         for (int k = 0; k < me[j]->connectors.size(); k++)
1460                         {
1461                                 WriteServ(user->fd,"364 %s %s %s :1 %s",user->nick,me[j]->connectors[k].GetServerName().c_str(),ServerName,me[j]->connectors[k].GetDescription().c_str());
1462                         }
1463                 }
1464         }
1465         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1466 }
1467
1468 void handle_map(char **parameters, int pcnt, userrec *user)
1469 {
1470         char line[MAXBUF];
1471         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1472         while (strlen(line) < 50)
1473                 strcat(line," ");
1474         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)usercnt())*100));
1475         for (int j = 0; j < 32; j++)
1476         {
1477                 if (me[j] != NULL)
1478                 {
1479                         for (int k = 0; k < me[j]->connectors.size(); k++)
1480                         {
1481                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1482                                 while (strlen(line) < 50)
1483                                         strcat(line," ");
1484                                 WriteServ(user->fd,"%s%d (%.2f%%)",line,map_count(me[j]->connectors[k].GetServerName().c_str()),(float)(((float)map_count(me[j]->connectors[k].GetServerName().c_str())/(float)usercnt())*100));
1485                         }
1486                 }
1487         }
1488         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1489 }
1490
1491 bool is_uline(const char* server)
1492 {
1493         char ServName[MAXBUF];
1494         int i,j;
1495
1496         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1497         {
1498                 ConfValue("uline","server",i,ServName,&config_f);
1499                 if (!strcasecmp(server,ServName))
1500                 {
1501                         return true;
1502                 }
1503         }
1504         return false;
1505 }
1506
1507
1508 void handle_oper(char **parameters, int pcnt, userrec *user)
1509 {
1510         char LoginName[MAXBUF];
1511         char Password[MAXBUF];
1512         char OperType[MAXBUF];
1513         char TypeName[MAXBUF];
1514         char Hostname[MAXBUF];
1515         int i,j;
1516         bool found = false;
1517         bool fail2 = false;
1518         char global[MAXBUF];
1519
1520         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1521         {
1522                 ConfValue("oper","name",i,LoginName,&config_f);
1523                 ConfValue("oper","password",i,Password,&config_f);
1524                 ConfValue("oper","type",i,OperType,&config_f);
1525                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])))
1526                 {
1527                         fail2 = true;
1528                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1529                         {
1530                                 ConfValue("type","name",j,TypeName,&config_f);
1531
1532                                 if (!strcmp(TypeName,OperType))
1533                                 {
1534                                         /* found this oper's opertype */
1535                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1536                                         NetSendToAll(global);
1537                                         ConfValue("type","host",j,Hostname,&config_f);
1538                                         ChangeDisplayedHost(user,Hostname);
1539                                         strlcpy(user->oper,TypeName,NICKMAX);
1540                                         found = true;
1541                                         fail2 = false;
1542                                         break;
1543                                 }
1544                         }
1545                 }
1546                 if (found)
1547                         break;
1548         }
1549         if (found)
1550         {
1551                 /* correct oper credentials */
1552                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1553                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1554                 if (!strchr(user->modes,'o'))
1555                 {
1556                         strcat(user->modes,"o");
1557                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1558                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1559                         NetSendToAll(global);
1560                         FOREACH_MOD OnOper(user);
1561                 }
1562         }
1563         else
1564         {
1565                 if (!fail2)
1566                 {
1567                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1568                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1569                 }
1570                 else
1571                 {
1572                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1573                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1574                 }
1575         }
1576         return;
1577 }
1578
1579 void handle_nick(char **parameters, int pcnt, userrec *user)
1580 {
1581         if (pcnt < 1)
1582         {
1583                 log(DEBUG,"not enough params for handle_nick");
1584                 return;
1585         }
1586         if (!parameters[0])
1587         {
1588                 log(DEBUG,"invalid parameter passed to handle_nick");
1589                 return;
1590         }
1591         if (!strlen(parameters[0]))
1592         {
1593                 log(DEBUG,"zero length new nick passed to handle_nick");
1594                 return;
1595         }
1596         if (!user)
1597         {
1598                 log(DEBUG,"invalid user passed to handle_nick");
1599                 return;
1600         }
1601         if (!user->nick)
1602         {
1603                 log(DEBUG,"invalid old nick passed to handle_nick");
1604                 return;
1605         }
1606         if (!strcasecmp(user->nick,parameters[0]))
1607         {
1608                 log(DEBUG,"old nick is new nick, skipping");
1609                 return;
1610         }
1611         else
1612         {
1613                 if (strlen(parameters[0]) > 1)
1614                 {
1615                         if (parameters[0][0] == ':')
1616                         {
1617                                 *parameters[0]++;
1618                         }
1619                 }
1620                 if (matches_qline(parameters[0]))
1621                 {
1622                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1623                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1624                         return;
1625                 }
1626                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1627                 {
1628                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1629                         return;
1630                 }
1631         }
1632         if (isnick(parameters[0]) == 0)
1633         {
1634                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1635                 return;
1636         }
1637
1638         if (user->registered == 7)
1639         {
1640                 int MOD_RESULT = 0;
1641                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1642                 if (MOD_RESULT) {
1643                         // if a module returns true, the nick change is silently forbidden.
1644                         return;
1645                 }
1646
1647                 WriteCommon(user,"NICK %s",parameters[0]);
1648
1649                 // Q token must go to ALL servers!!!
1650                 char buffer[MAXBUF];
1651                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1652                 NetSendToAll(buffer);
1653         }
1654
1655         char oldnick[NICKMAX];
1656         strlcpy(oldnick,user->nick,NICKMAX);
1657
1658         /* change the nick of the user in the users_hash */
1659         user = ReHashNick(user->nick, parameters[0]);
1660         /* actually change the nick within the record */
1661         if (!user) return;
1662         if (!user->nick) return;
1663
1664         strlcpy(user->nick, parameters[0],NICKMAX);
1665
1666         log(DEBUG,"new nick set: %s",user->nick);
1667
1668         if (user->registered < 3)
1669         {
1670                 user->registered = (user->registered | 2);
1671                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1672                 // and unless we're lucky we'll get a duff one later on.
1673                 user->dns_done = (!lookup_dns(user->nick));
1674                 if (user->dns_done)
1675                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1676         }
1677         if (user->registered == 3)
1678         {
1679                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1680                 ConnectUser(user);
1681         }
1682         if (user->registered == 7)
1683         {
1684                 FOREACH_MOD OnUserPostNick(user,oldnick);
1685         }
1686 }
1687
1688
1689
1690 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1691 {
1692         char* src = strtok(params," ");
1693         char* dest = strtok(NULL," :");
1694         char* text = strtok(NULL,"\r\n");
1695         text++;
1696
1697         userrec* user = Find(src);
1698         if (user)
1699         {
1700                 userrec* dst = Find(dest);
1701
1702                 if (dst)
1703                 {
1704                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1705                 }
1706                 else
1707                 {
1708                         chanrec* d = FindChan(dest);
1709                         if (d)
1710                         {
1711                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1712                         }
1713                 }
1714         }
1715
1716 }
1717
1718
1719 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1720 {
1721         char* src = strtok(params," ");
1722         char* dest = strtok(NULL," :");
1723         char* text = strtok(NULL,"\r\n");
1724         text++;
1725
1726         userrec* user = Find(src);
1727         if (user)
1728         {
1729                 userrec* dst = Find(dest);
1730
1731                 if (dst)
1732                 {
1733                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1734                 }
1735                 else
1736                 {
1737                         chanrec* d = FindChan(dest);
1738                         if (d)
1739                         {
1740                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1741                         }
1742                 }
1743         }
1744
1745 }
1746
1747 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1748 {
1749         char* nick = strtok(params," ");
1750         char* from = strtok(NULL," ");
1751         char* channel = strtok(NULL," ");
1752         userrec* u = Find(nick);
1753         userrec* user = Find(from);
1754         chanrec* c = FindChan(channel);
1755         if ((c) && (u) && (user))
1756         {
1757                 u->InviteTo(c->name);
1758                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1759         }
1760 }
1761
1762 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1763 {
1764         char* setby = strtok(params," ");
1765         char* channel = strtok(NULL," :");
1766         char* topic = strtok(NULL,"\r\n");
1767         topic++;
1768         userrec* u = Find(setby);
1769         chanrec* c = FindChan(channel);
1770         if ((c) && (u))
1771         {
1772                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1773                 strlcpy(c->topic,topic,MAXTOPIC);
1774                 strlcpy(c->setby,u->nick,NICKMAX);
1775                 c->topicset = time(NULL);
1776         }
1777 }
1778
1779
1780 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1781 {
1782         char* tm = strtok(params," ");
1783         char* setby = strtok(NULL," ");
1784         char* channel = strtok(NULL," :");
1785         char* topic = strtok(NULL,"\r\n");
1786         topic++;
1787         time_t TS = atoi(tm);
1788         chanrec* c = FindChan(channel);
1789         if (c)
1790         {
1791                 // in the case of topics and TS, the *NEWER*
1792                 if (TS <= c->topicset)
1793                 {
1794                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1795                         strlcpy(c->topic,topic,MAXTOPIC);
1796                         strlcpy(c->setby,setby,NICKMAX);
1797                 }
1798         }
1799 }
1800
1801 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1802 {
1803         char* pars[128];
1804         char original[MAXBUF],target[MAXBUF];
1805         strlcpy(original,params,MAXBUF);
1806         int index = 0;
1807         char* parameter = strtok(params," ");
1808         strlcpy(target,parameter,MAXBUF);
1809         while (parameter)
1810         {
1811                 if (parameter[0] == ':')
1812                         parameter++;
1813                 pars[index++] = parameter;
1814                 parameter = strtok(NULL," ");
1815         }
1816         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1817         merge_mode(pars,index);
1818         if (FindChan(target))
1819         {
1820                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1821         }
1822         if (Find(target))
1823         {
1824                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1825         }
1826 }
1827
1828 // m is modes set by users only (not servers) valid targets are channels or users.
1829
1830 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1831 {
1832         // m blah #chatspike +b *!test@*4
1833         char* pars[128];
1834         char original[MAXBUF];
1835         strlcpy(original,params,MAXBUF);
1836
1837         if (!strchr(params,' '))
1838         {
1839                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1840                 return;
1841         }
1842
1843         int index = 0;
1844
1845         char* src = strtok(params," ");
1846         userrec* user = Find(src);
1847
1848         if (user)
1849         {
1850                 log(DEBUG,"Found user: %s",user->nick);
1851                 char* parameter = strtok(NULL," ");
1852                 while (parameter)
1853                 {
1854                         pars[index++] = parameter;
1855                         parameter = strtok(NULL," ");
1856                 }
1857
1858                 log(DEBUG,"Calling merge_mode2");
1859                 merge_mode2(pars,index,user);
1860         }
1861 }
1862
1863
1864 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1865 {
1866         char* nick = strtok(params," ");
1867         char* channel = strtok(NULL," :");
1868         char* reason = strtok(NULL,"\r\n");
1869         userrec* user = Find(nick);
1870         reason++;
1871         if (user)
1872         {
1873                 if (strcmp(reason,""))
1874                 {
1875                         del_channel(user,channel,reason,true);
1876                 }
1877                 else
1878                 {
1879                         del_channel(user,channel,NULL,true);
1880                 }
1881         }
1882 }
1883
1884 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1885 {
1886         char* src = strtok(params," ");
1887         char* nick = strtok(NULL," :");
1888         char* reason = strtok(NULL,"\r\n");
1889         char kreason[MAXBUF];
1890         reason++;
1891
1892         userrec* u = Find(nick);
1893         userrec* user = Find(src);
1894
1895         if ((user) && (u))
1896         {
1897                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
1898                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
1899                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
1900                 kill_link(u,kreason);
1901         }
1902 }
1903
1904 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1905 {
1906         char* nick = strtok(params," :");
1907         char* reason = strtok(NULL,"\r\n");
1908         reason++;
1909
1910         userrec* user = Find(nick);
1911
1912         if (user)
1913         {
1914                 if (strlen(reason)>MAXQUIT)
1915                 {
1916                         reason[MAXQUIT-1] = '\0';
1917                 }
1918
1919
1920                 WriteCommonExcept(user,"QUIT :%s",reason);
1921
1922                 user_hash::iterator iter = clientlist.find(user->nick);
1923
1924                 if (iter != clientlist.end())
1925                 {
1926                         log(DEBUG,"deleting user hash value %d",iter->second);
1927                         if ((iter->second) && (user->registered == 7)) {
1928                                 delete iter->second;
1929                         }
1930                         clientlist.erase(iter);
1931                 }
1932
1933                 purge_empty_chans();
1934         }
1935 }
1936
1937 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1938 {
1939         char* oldnick = strtok(params," ");
1940         char* newnick = strtok(NULL," ");
1941
1942         userrec* user = Find(oldnick);
1943
1944         if (user)
1945         {
1946                 WriteCommon(user,"NICK %s",newnick);
1947                 if (is_uline(tcp_host))
1948                 {
1949                         int MOD_RESULT = 0;
1950                         FOREACH_RESULT(OnUserPreNick(user,newnick));
1951                         if (MOD_RESULT) {
1952                                 // if a module returns true, the nick change couldnt be allowed
1953                                 kill_link(user,"Nickname collision");
1954                                 return;
1955                         }
1956                         if (matches_qline(newnick))
1957                         {
1958                                 kill_link(user,"Nickname collision");
1959                                 return;
1960                         }
1961
1962                         // broadcast this because its a services thingy
1963                         char buffer[MAXBUF];
1964                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
1965                         NetSendToAll(buffer);
1966                 }
1967                 user = ReHashNick(user->nick, newnick);
1968                 if (!user) return;
1969                 if (!user->nick) return;
1970                 strlcpy(user->nick, newnick,NICKMAX);
1971                 log(DEBUG,"new nick set: %s",user->nick);
1972         }
1973 }
1974
1975 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
1976 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1977 {
1978         char* src = strtok(params," ");
1979         char* dest = strtok(NULL," ");
1980         char* channel = strtok(NULL," :");
1981         char* reason = strtok(NULL,"\r\n");
1982         reason++;
1983         userrec* s = Find(src);
1984         userrec* d = Find(dest);
1985         chanrec* c = FindChan(channel);
1986         if ((s) && (d) && (c))
1987         {
1988                 kick_channel(s,d,c,reason);
1989                 return;
1990         }
1991         d = Find(channel);
1992         c = FindChan(dest);
1993         if ((s) && (d) && (c))
1994         {
1995                 kick_channel(s,d,c,reason);
1996                 return;
1997         }
1998 }
1999
2000 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2001 {
2002         char* who = strtok(params," :");
2003         char* text = strtok(NULL,"\r\n");
2004         text++;
2005         userrec* s = Find(who);
2006         if (s)
2007         {
2008                 WriteWallOps(s,true,text);
2009         }
2010 }
2011
2012 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2013 {
2014         log(DEBUG,"Adding ULined server %s to my map",params);
2015         ircd_connector s;
2016         s.SetState(STATE_DISCONNECTED);
2017         s.SetServerName(params);
2018
2019         for (int j = 0; j < 32; j++)
2020         {
2021                 if (me[j] != NULL)
2022                 {
2023                         for (int k = 0; k < me[j]->connectors.size(); k++)
2024                         {
2025                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2026                                 {
2027                                         // dont allow a server to be added twice
2028                                         log(DEBUG,"ULined server %s already in the map!",params);
2029                                         return;
2030                                 }
2031                         }
2032                 }
2033         }
2034
2035         source->connectors.push_back(s);
2036         WriteOpers("Non-Mesh server %s has joined the network",params);
2037 }
2038
2039 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2040 {
2041         char* tm = strtok(params," ");
2042         char* nick = strtok(NULL," ");
2043         char* host = strtok(NULL," ");
2044         char* dhost = strtok(NULL," ");
2045         char* ident = strtok(NULL," ");
2046         char* modes = strtok(NULL," ");
2047         char* ipaddr = strtok(NULL," ");
2048         char* server = strtok(NULL," :");
2049         char* gecos = strtok(NULL,"\r\n");
2050         gecos++;
2051         modes++;
2052         time_t TS = atoi(tm);
2053         user_hash::iterator iter = clientlist.find(nick);
2054         if (iter != clientlist.end())
2055         {
2056                 // nick collision
2057                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2058                 char str[MAXBUF];
2059                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2060                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2061                 kill_link(iter->second,str);
2062         }
2063         clientlist[nick] = new userrec();
2064         // remote users have an fd of -1. This is so that our Write abstraction
2065         // routines know to route any messages to this record away to whatever server
2066         // theyre on.
2067         clientlist[nick]->fd = -1;
2068         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2069         strlcpy(clientlist[nick]->host, host,160);
2070         strlcpy(clientlist[nick]->dhost, dhost,160);
2071         strlcpy(clientlist[nick]->server, server,256);
2072         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2073         strlcpy(clientlist[nick]->fullname, gecos,128);
2074         clientlist[nick]->signon = TS;
2075         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2076         clientlist[nick]->lastping = 1;
2077         clientlist[nick]->port = 0; // so is this...
2078         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2079         clientlist[nick]->idle_lastmsg = time(NULL); // this is unrealiable and wont actually be used locally
2080         for (int i = 0; i < MAXCHANS; i++)
2081         {
2082                 clientlist[nick]->chans[i].channel = NULL;
2083                 clientlist[nick]->chans[i].uc_modes = 0;
2084         }
2085 }
2086
2087 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2088 {
2089         long tdiff = time(NULL) - atoi(params);
2090         if (tdiff)
2091                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2092 }
2093
2094 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2095 {
2096         char* nick = strtok(params," :");
2097         char* gecos = strtok(NULL,"\r\n");
2098
2099         userrec* user = Find(nick);
2100
2101         if (user)
2102                 strlcpy(user->fullname,gecos,MAXBUF);
2103 }
2104
2105 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2106 {
2107         char* nick = strtok(params," ");
2108         char* host = strtok(NULL," ");
2109
2110         userrec* user = Find(nick);
2111
2112         if (user)
2113                 strlcpy(user->dhost,host,160);
2114 }
2115
2116 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2117 {
2118         // %s %s %d %d
2119         // + test3.chatspike.net 7010 -2016508415
2120         char* servername = strtok(params," ");
2121         char* ipaddr = strtok(NULL," ");
2122         char* ipport = strtok(NULL," ");
2123         char* cookie = strtok(NULL," ");
2124         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2125
2126
2127         bool conn_already = false;
2128         for (int i = 0; i < 32; i++)
2129         {
2130                 if (me[i] != NULL)
2131                 {
2132                         for (int j = 0; j < me[i]->connectors.size(); j++)
2133                         {
2134                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2135                                 {
2136                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2137                                         {
2138                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2139                                                 conn_already = true;
2140                                         }
2141                                 }
2142                         }
2143                 }
2144         }
2145         if (!conn_already)
2146                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2147 }
2148
2149 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2150 {
2151         char* server = strtok(params," ");
2152         char* data = strtok(NULL,"\r\n");
2153         if ((!data) || (!server))
2154         {
2155                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2156                 return;
2157         }
2158
2159         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2160         NetSendToOne(server,data);
2161 }
2162
2163 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2164 {
2165         // IMPORTANT NOTE
2166         // The J token currently has no timestamp - this needs looking at
2167         // because it will allow splitriding.
2168         char* nick = strtok(params," ");
2169         char* channel = strtok(NULL," ");
2170         userrec* user = Find(nick);
2171         while (channel)
2172         {
2173                 if ((user != NULL) && (strcmp(channel,"")))
2174                 {
2175                         char privilage = '\0';
2176                         if (channel[0] != '#')
2177                         {
2178                                 privilage = channel[0];
2179                                 channel++;
2180                         }
2181                         add_channel(user,channel,"",true);
2182
2183                         // now work out the privilages they should have on each channel
2184                         // and send the appropriate servermodes.
2185                         for (int i = 0; i != MAXCHANS; i++)
2186                         {
2187                                 if (user->chans[i].channel)
2188                                 {
2189                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2190                                         {
2191                                                 if (privilage == '@')
2192                                                 {
2193                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2194                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2195                                                 }
2196                                                 if (privilage == '%')
2197                                                 {
2198                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2199                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2200                                                 }
2201                                                 if (privilage == '+')
2202                                                 {
2203                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2204                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2205                                                 }
2206                                         }
2207                                 }
2208                         }
2209
2210                 }
2211                 channel = strtok(NULL," ");
2212         }
2213 }
2214
2215 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2216 {
2217         log(DEBUG,"Storing routing table...");
2218         char* sourceserver = strtok(params," ");
2219         char* server = strtok(NULL," ");
2220         for (int i = 0; i < 32; i++)
2221         {
2222                 if (me[i] != NULL)
2223                 {
2224                         for (int j = 0; j < me[i]->connectors.size(); j++)
2225                         {
2226                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2227                                 {
2228                                         me[i]->connectors[j].routes.clear();
2229                                         log(DEBUG,"Found entry for source server.");
2230                                         while (server)
2231                                         {
2232                                                 // store each route
2233                                                 me[i]->connectors[j].routes.push_back(server);
2234                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2235                                                 server = strtok(NULL," ");
2236                                         }
2237                                         return;
2238                                 }
2239                         }
2240                 }
2241         }
2242         log(DEBUG,"Warning! routing table received from nonexistent server!");
2243 }
2244
2245 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2246 {
2247         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2248         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2249         bool go_again = true;
2250         while (go_again)
2251         {
2252                 go_again = false;
2253                 for (int i = 0; i < 32; i++)
2254                 {
2255                         if (me[i] != NULL)
2256                         {
2257                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2258                                 {
2259                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2260                                         {
2261                                                 j->routes.clear();
2262                                                 j->CloseConnection();
2263                                                 me[i]->connectors.erase(j);
2264                                                 go_again = true;
2265                                                 break;
2266                                         }
2267                                 }
2268                         }
2269                 }
2270         }
2271         log(DEBUG,"Removed server. Will remove clients...");
2272         // iterate through the userlist and remove all users on this server.
2273         // because we're dealing with a mesh, we dont have to deal with anything
2274         // "down-route" from this server (nice huh)
2275         go_again = true;
2276         char reason[MAXBUF];
2277         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2278         while (go_again)
2279         {
2280                 go_again = false;
2281                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2282                 {
2283                         if (!strcasecmp(u->second->server,params))
2284                         {
2285                                 kill_link(u->second,reason);
2286                                 go_again = true;
2287                                 break;
2288                         }
2289                 }
2290         }
2291 }
2292
2293 long authcookie;
2294
2295 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2296 {
2297         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2298         log(DEBUG,"Adding G-line");
2299         char* mask = strtok(params," ");
2300         char* who = strtok(NULL," ");
2301         char* create_time = strtok(NULL," ");
2302         char* duration = strtok(NULL," :");
2303         char* reason = strtok(NULL,"\r\n");
2304         add_gline(atoi(duration),who,reason,mask);
2305         // we must update the creation time on this gline
2306         // now that we've added it, or it wont expire at the right time.
2307         gline_set_creation_time(mask,atoi(create_time));
2308         if (!atoi(duration))
2309         {
2310                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2311         }
2312         else
2313         {
2314                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2315         }
2316         apply_lines();
2317 }
2318
2319 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2320 {
2321         log(DEBUG,"Removing G-line");
2322         char* mask = strtok(params," ");
2323         char* who = strtok(NULL," ");
2324         if (mask)
2325         {
2326                 if (del_gline(mask))
2327                 {
2328                         if (who)
2329                         {
2330                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2331                         }
2332                 }
2333         }
2334 }
2335
2336 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2337 {
2338         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2339         log(DEBUG,"Adding Q-line");
2340         char* mask = strtok(params," ");
2341         char* who = strtok(NULL," ");
2342         char* create_time = strtok(NULL," ");
2343         char* duration = strtok(NULL," :");
2344         char* reason = strtok(NULL,"\r\n");
2345         add_qline(atoi(duration),who,reason,mask);
2346         // we must update the creation time on this gline
2347         // now that we've added it, or it wont expire at the right time.
2348         qline_set_creation_time(mask,atoi(create_time));
2349         qline_make_global(mask);
2350         if (!atoi(duration))
2351         {
2352                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2353         }
2354         else
2355         {
2356                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2357         }
2358         apply_lines();
2359 }
2360
2361 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2362 {
2363         log(DEBUG,"Removing Q-line");
2364         char* mask = strtok(params," ");
2365         char* who = strtok(NULL," ");
2366         if (mask)
2367         {
2368                 if (del_qline(mask))
2369                 {
2370                         if (who)
2371                         {
2372                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2373                         }
2374                 }
2375         }
2376 }
2377
2378 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2379 {
2380         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2381         log(DEBUG,"Adding Z-line");
2382         char* mask = strtok(params," ");
2383         char* who = strtok(NULL," ");
2384         char* create_time = strtok(NULL," ");
2385         char* duration = strtok(NULL," :");
2386         char* reason = strtok(NULL,"\r\n");
2387         add_zline(atoi(duration),who,reason,mask);
2388         // we must update the creation time on this gline
2389         // now that we've added it, or it wont expire at the right time.
2390         zline_set_creation_time(mask,atoi(create_time));
2391         zline_make_global(mask);
2392         if (!atoi(duration))
2393         {
2394                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2395         }
2396         else
2397         {
2398                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2399         }
2400         apply_lines();
2401 }
2402
2403 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2404 {
2405         log(DEBUG,"Removing Z-line");
2406         char* mask = strtok(params," ");
2407         char* who = strtok(NULL," ");
2408         if (mask)
2409         {
2410                 if (del_zline(mask))
2411                 {
2412                         if (who)
2413                         {
2414                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2415                         }
2416                 }
2417         }
2418 }
2419
2420 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2421 {
2422         char* nick = strtok(params," ");
2423         char* type = strtok(params," ");
2424         userrec* u = Find(nick);
2425         if (u)
2426         {
2427                 strlcpy(u->oper,type,NICKMAX);
2428         }
2429 }
2430
2431
2432 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2433 {
2434         char buffer[MAXBUF];
2435
2436         switch(token)
2437         {
2438                 // Y <TS>
2439                 // start netburst
2440                 case 'Y':
2441                         nb_start = time(NULL);
2442                         WriteOpers("Server %s is starting netburst.",tcp_host);
2443                         // now broadcast this new servers address out to all servers that are linked to us,
2444                         // except the newcomer. They'll all attempt to connect back to it.
2445                         authcookie = rand()*rand();
2446                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2447                         NetSendToAll(buffer);
2448                 break;
2449                 // ~
2450                 // Store authcookie
2451                 // once stored, this authcookie permits other servers to log in
2452                 // without user or password, using it.
2453                 case '~':
2454                         auth_cookies.push_back(atoi(params));
2455                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2456                 break;
2457                 // connect back to a server using an authcookie
2458                 case '+':
2459                         handle_plus(token,params,source,reply,tcp_host);
2460                 break;
2461                 // routing table
2462                 case '$':
2463                         handle_dollar(token,params,source,reply,tcp_host);
2464                 break;
2465                 // node unreachable - we cant route to a server, sooooo we slit it off.
2466                 // servers can generate these for themselves for an squit.
2467                 case '&':
2468                         handle_amp(token,params,source,reply,tcp_host);
2469                 break;
2470                 // R <server> <data>
2471                 // redirect token, send all of <data> along to the given
2472                 // server as this server has been found to still have a route to it
2473                 case 'R':
2474                         handle_R(token,params,source,reply,tcp_host);
2475                 break;
2476                 // ?
2477                 // ping
2478                 case '?':
2479                         reply->SendPacket("!",tcp_host);
2480                 break;
2481                 // ?
2482                 // pong
2483                 case '!':
2484                 break;
2485                 // *
2486                 // no operation
2487                 case '*':
2488                 break;
2489                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2490                 // introduce remote client
2491                 case 'N':
2492                         handle_N(token,params,source,reply,tcp_host);
2493                 break;
2494                 // a <NICK> :<GECOS>
2495                 // change GECOS (SETNAME)
2496                 case 'a':
2497                         handle_a(token,params,source,reply,tcp_host);
2498                 break;
2499                 // b <NICK> :<HOST>
2500                 // change displayed host (SETHOST)
2501                 case 'b':
2502                         handle_b(token,params,source,reply,tcp_host);
2503                 break;
2504                 // t <NICK> <CHANNEL> :<TOPIC>
2505                 // change a channel topic
2506                 case 't':
2507                         handle_t(token,params,source,reply,tcp_host);
2508                 break;
2509                 // i <NICK> <CHANNEL>
2510                 // invite a user to a channel
2511                 case 'i':
2512                         handle_i(token,params,source,reply,tcp_host);
2513                 break;
2514                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2515                 // kick a user from a channel
2516                 case 'k':
2517                         handle_k(token,params,source,reply,tcp_host);
2518                 break;
2519                 // n <NICK> <NEWNICK>
2520                 // change nickname of client -- a server should only be able to
2521                 // change the nicknames of clients that reside on it unless
2522                 // they are ulined.
2523                 case 'n':
2524                         handle_n(token,params,source,reply,tcp_host);
2525                 break;
2526                 // J <NICK> <CHANLIST>
2527                 // Join user to channel list, merge channel permissions
2528                 case 'J':
2529                         handle_J(token,params,source,reply,tcp_host);
2530                 break;
2531                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2532                 // change channel topic (netburst only)
2533                 case 'T':
2534                         handle_T(token,params,source,reply,tcp_host);
2535                 break;
2536                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2537                 // Server setting modes on an object
2538                 case 'M':
2539                         handle_M(token,params,source,reply,tcp_host);
2540                 break;
2541                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2542                 // User setting modes on an object
2543                 case 'm':
2544                         handle_m(token,params,source,reply,tcp_host);
2545                 break;
2546                 // P <SOURCE> <TARGET> :<TEXT>
2547                 // Send a private/channel message
2548                 case 'P':
2549                         handle_P(token,params,source,reply,tcp_host);
2550                 break;
2551                 // V <SOURCE> <TARGET> :<TEXT>
2552                 // Send a private/channel notice
2553                 case 'V':
2554                         handle_V(token,params,source,reply,tcp_host);
2555                 break;
2556                 // L <SOURCE> <CHANNEL> :<REASON>
2557                 // User parting a channel
2558                 case 'L':
2559                         handle_L(token,params,source,reply,tcp_host);
2560                 break;
2561                 // Q <SOURCE> :<REASON>
2562                 // user quitting
2563                 case 'Q':
2564                         handle_Q(token,params,source,reply,tcp_host);
2565                 break;
2566                 // H <SERVER>
2567                 // introduce non-meshable server (such as a services server)
2568                 case 'H':
2569                         handle_H(token,params,source,reply,tcp_host);
2570                 break;
2571                 // K <SOURCE> <DEST> :<REASON>
2572                 // remote kill
2573                 case 'K':
2574                         handle_K(token,params,source,reply,tcp_host);
2575                 break;
2576                 // @ <SOURCE> :<TEXT>
2577                 // wallops
2578                 case '@':
2579                         handle_AT(token,params,source,reply,tcp_host);
2580                 break;
2581                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2582                 // add gline
2583                 case '#':
2584                         handle_hash(token,params,source,reply,tcp_host);
2585                 break;
2586                 // . <mask> <who>
2587                 // remove gline
2588                 case '.':
2589                         handle_dot(token,params,source,reply,tcp_host);
2590                 break;
2591                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2592                 // add gline
2593                 case '{':
2594                         handle_add_sqline(token,params,source,reply,tcp_host);
2595                 break;
2596                 // . <mask> <who>
2597                 // remove gline
2598                 case '[':
2599                         handle_del_sqline(token,params,source,reply,tcp_host);
2600                 break;
2601                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2602                 // add gline
2603                 case '}':
2604                         handle_add_szline(token,params,source,reply,tcp_host);
2605                 break;
2606                 // . <mask> <who>
2607                 // remove gline
2608                 case ']':
2609                         handle_del_szline(token,params,source,reply,tcp_host);
2610                 break;
2611                 // | <nick> <opertype>
2612                 // set opertype
2613                 case '|':
2614                         handle_pipe(token,params,source,reply,tcp_host);
2615                 break;
2616                 // F <TS>
2617                 // end netburst
2618                 case 'F':
2619                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,time(NULL)-nb_start);
2620                         handle_F(token,params,source,reply,tcp_host);
2621                         nb_start = 0;
2622                         // tell all the other servers to use this authcookie to connect back again
2623                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2624                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2625                         NetSendToAllExcept(tcp_host,buffer);
2626                 break;
2627                 case '/':
2628                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2629                         strlcpy(source->nickserv,params,NICKMAX);
2630                 break;
2631                 // F <TS>
2632                 // end netburst with no mesh creation
2633                 case 'f':
2634                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,time(NULL)-nb_start);
2635                         handle_F(token,params,source,reply,tcp_host);
2636                         nb_start = 0;
2637                         // tell everyone else about the new server name so they just add it in the disconnected
2638                         // state
2639                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2640                         NetSendToAllExcept(tcp_host,buffer);
2641                 break;
2642                 // X <reserved>
2643                 // Send netburst now
2644                 case 'X':
2645                         WriteOpers("Sending my netburst to %s",tcp_host);
2646                         DoSync(source,tcp_host);
2647                         WriteOpers("Send of netburst to %s completed",tcp_host);
2648                         NetSendMyRoutingTable();
2649                 break;
2650                 // anything else
2651                 default:
2652                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2653                 break;
2654         }
2655 }
2656
2657
2658 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2659 {
2660         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2661         {
2662                 // a user on a server port, just close their connection.
2663                 RemoveServer(tcp_host);
2664                 return;
2665         }
2666
2667         char response[10240];
2668         char token = udp_msg[0];
2669         char* old = udp_msg;
2670
2671         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2672         {
2673                 char* src = udp_msg+1;
2674                 while (udp_msg[0] != ' ')
2675                         udp_msg++;
2676                 udp_msg[0] = 0;
2677                 udp_msg++;
2678                 char* comd = udp_msg;
2679                 while (udp_msg[0] != ' ')
2680                         udp_msg++;
2681                 udp_msg[0] = 0;
2682                 udp_msg++;
2683                 char data[MAXBUF];
2684                 char source[MAXBUF];
2685                 char command[MAXBUF];
2686                 strlcpy(data,udp_msg,512);
2687                 strlcpy(source,src,MAXBUF);
2688                 strlcpy(command,comd,MAXBUF);
2689                 udp_msg = old;
2690
2691                 // unused numeric:
2692                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2693                 if (!strcmp(command,"433"))
2694                 {
2695                         token = '*';
2696                 }
2697                 if (!strcmp(command,"432"))
2698                 {
2699                         token = '*';
2700                 }
2701                 if (!strcmp(command,"NOTICE"))
2702                 {
2703                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2704                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2705                         token = udp_msg[0];
2706                 }
2707                 if (!strcmp(command,"QUIT"))
2708                 {
2709                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2710                         {
2711                                 strcpy(data,":No reason");
2712                         }
2713                         if (!strcmp(data,":"))
2714                         {
2715                                 strcpy(data,":No reason");
2716                         }
2717                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2718                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2719                         token = udp_msg[0];
2720                 }
2721                 if (!strcmp(command,"SQUIT"))
2722                 {
2723                         snprintf(udp_msg,MAXBUF,"& %s",source);
2724                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2725                         token = udp_msg[0];
2726                 }
2727                 if (!strcmp(command,"SVSMODE"))
2728                 {
2729                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2730                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2731                         token = udp_msg[0];
2732                 }
2733                 if (!strcmp(command,"SVS2MODE"))
2734                 {
2735                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2736                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2737                         token = udp_msg[0];
2738                 }
2739                 // todo: this wont work without u:lines
2740                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2741                 if (!strcmp(command,"MODE"))
2742                 {
2743                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2744                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2745                         token = udp_msg[0];
2746                 }
2747                 if (!strcmp(command,"KICK"))
2748                 {
2749                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2750                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2751                         token = udp_msg[0];
2752                 }
2753                 if (!strcmp(command,"KILL"))
2754                 {
2755                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2756                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2757                         token = udp_msg[0];
2758                 }
2759                 if (!strcmp(command,"SVSJOIN"))
2760                 {
2761                         snprintf(udp_msg,MAXBUF,"J %s",data);
2762                         NetSendToOne(tcp_host,udp_msg);
2763                         char* nick = strtok(data," ");
2764                         char* chan = strtok(NULL," ");
2765                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2766                         userrec* u = Find(nick);
2767                         if (u)
2768                         {
2769                                 add_channel(u,chan,"",true);
2770                         }
2771                         token = udp_msg[0];
2772                 }
2773
2774         }
2775
2776
2777         char* params = udp_msg + 2;
2778         char finalparam[1024];
2779         strcpy(finalparam," :xxxx");
2780         if (strstr(udp_msg," :")) {
2781                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2782         }
2783
2784
2785         if (token == '-') {
2786                 char* cookie = strtok(params," ");
2787                 char* servername = strtok(NULL," ");
2788                 char* serverdesc = finalparam+2;
2789
2790                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2791
2792                 for (int u = 0; u < auth_cookies.size(); u++)
2793                 {
2794                         if (auth_cookies[u] == atoi(cookie))
2795                         {
2796                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2797
2798
2799                                 for (int j = 0; j < 32; j++)
2800                                 {
2801                                         if (me[j] != NULL)
2802                                         {
2803                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2804                                                 {
2805                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2806                                                         {
2807                                                                 me[j]->connectors[k].SetServerName(servername);
2808                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2809                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2810                                                                 NetSendMyRoutingTable();
2811                                                                 return;
2812                                                         }
2813                                                 }
2814                                         }
2815                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2816                                         return;
2817                                 }
2818
2819
2820                                 return;
2821                         }
2822                 }
2823                 // bad cookie, bad bad! go sit in the corner!
2824                 WriteOpers("Bad cookie from %s!",servername);
2825                 return;
2826         }
2827         else
2828         if (token == 'S') {
2829                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2830                 char* servername = strtok(params," ");
2831                 char* password = strtok(NULL," ");
2832                 char* myport = strtok(NULL," ");
2833                 char* revision = strtok(NULL," ");
2834                 char* serverdesc = finalparam+2;
2835
2836                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2837
2838                 ircd_connector* cn = serv->FindHost(servername);
2839
2840                 if (cn)
2841                 {
2842                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2843                         char buffer[MAXBUF];
2844                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2845                         serv->SendPacket(buffer,tcp_host);
2846                         RemoveServer(tcp_host);
2847                         return;
2848                 }
2849
2850                 if (atoi(revision) != GetRevision())
2851                 {
2852                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2853                         char buffer[MAXBUF];
2854                         sprintf(buffer,"E :Version number mismatch");
2855                         serv->SendPacket(buffer,tcp_host);
2856                         RemoveServer(tcp_host);
2857                         RemoveServer(servername);
2858                         return;
2859                 }
2860
2861                 for (int j = 0; j < serv->connectors.size(); j++)
2862                 {
2863                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2864                         {
2865                                 serv->connectors[j].SetServerName(servername);
2866                                 serv->connectors[j].SetDescription(serverdesc);
2867                                 serv->connectors[j].SetServerPort(atoi(myport));
2868                         }
2869                 }
2870
2871
2872                 char Link_ServerName[1024];
2873                 char Link_IPAddr[1024];
2874                 char Link_Port[1024];
2875                 char Link_Pass[1024];
2876                 char Link_SendPass[1024];
2877                 int LinkPort = 0;
2878
2879                 // search for a corresponding <link> block in the config files
2880                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2881                 {
2882                         ConfValue("link","name",i,Link_ServerName,&config_f);
2883                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2884                         ConfValue("link","port",i,Link_Port,&config_f);
2885                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2886                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2887                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2888                         LinkPort = atoi(Link_Port);
2889                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2890                         {
2891                                 // we have a matching link line -
2892                                 // send a 'diminutive' server message back...
2893                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
2894                                 serv->SendPacket(response,servername);
2895
2896                                 for (int t = 0; t < serv->connectors.size(); t++)
2897                                 {
2898                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
2899                                         {
2900                                                 serv->connectors[t].SetState(STATE_CONNECTED);
2901                                         }
2902                                 }
2903
2904                                 return;
2905                         }
2906                 }
2907                 char buffer[MAXBUF];
2908                 sprintf(buffer,"E :Access is denied (no matching link block)");
2909                 serv->SendPacket(buffer,tcp_host);
2910                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2911                 RemoveServer(tcp_host);
2912                 RemoveServer(servername);
2913                 return;
2914         }
2915         else
2916         if (token == 's') {
2917                 // S test.chatspike.net password :ChatSpike InspIRCd test server
2918                 char* servername = strtok(params," ");
2919                 char* password = strtok(NULL," ");
2920                 char* serverdesc = finalparam+2;
2921
2922                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
2923                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
2924                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
2925                 // a connect, so put out an oper alert!
2926
2927                 // for now, just accept all, we'll fix that later.
2928                 WriteOpers("%s accepted our link credentials ",servername);
2929
2930                 char Link_ServerName[1024];
2931                 char Link_IPAddr[1024];
2932                 char Link_Port[1024];
2933                 char Link_Pass[1024];
2934                 char Link_SendPass[1024];
2935                 int LinkPort = 0;
2936
2937                 // search for a corresponding <link> block in the config files
2938                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2939                 {
2940                         ConfValue("link","name",i,Link_ServerName,&config_f);
2941                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2942                         ConfValue("link","port",i,Link_Port,&config_f);
2943                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2944                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2945                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2946                         LinkPort = atoi(Link_Port);
2947                         if (!strcasecmp(Link_ServerName,servername))
2948                         {
2949                                 // matching link at this end too, we're all done!
2950                                 // at this point we must begin key exchange and insert this
2951                                 // server into our 'active' table.
2952                                 for (int j = 0; j < 32; j++)
2953                                 {
2954                                         if (me[j] != NULL)
2955                                         {
2956                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2957                                                 {
2958                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2959                                                         {
2960                                                                 char buffer[MAXBUF];
2961                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2962                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2963                                                                 sprintf(buffer,"X 0");
2964                                                                 serv->SendPacket(buffer,tcp_host);
2965                                                                 DoSync(me[j],tcp_host);
2966                                                                 NetSendMyRoutingTable();
2967                                                                 return;
2968                                                         }
2969                                                 }
2970                                         }
2971                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
2972                                         return;
2973                                 }
2974                         }
2975                         else {
2976                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
2977                         }
2978                 }
2979                 char buffer[MAXBUF];
2980                 sprintf(buffer,"E :Access is denied (no matching link block)");
2981                 serv->SendPacket(buffer,tcp_host);
2982                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2983                 RemoveServer(tcp_host);
2984                 RemoveServer(servername);
2985                 return;
2986         }
2987         else
2988         if (token == 'U') {
2989                 // U services.chatspike.net password :ChatSpike Services
2990                 //
2991                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
2992                 char* servername = strtok(params," ");
2993                 char* password = strtok(NULL," ");
2994                 char* serverdesc = finalparam+2;
2995
2996                 char Link_ServerName[1024];
2997                 char Link_IPAddr[1024];
2998                 char Link_Port[1024];
2999                 char Link_Pass[1024];
3000                 char Link_SendPass[1024];
3001                 int LinkPort = 0;
3002
3003                 // search for a corresponding <link> block in the config files
3004                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3005                 {
3006                         ConfValue("link","name",i,Link_ServerName,&config_f);
3007                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3008                         ConfValue("link","port",i,Link_Port,&config_f);
3009                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3010                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3011                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3012                         LinkPort = atoi(Link_Port);
3013                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3014                         {
3015                                 // matching link at this end too, we're all done!
3016                                 // at this point we must begin key exchange and insert this
3017                                 // server into our 'active' table.
3018                                 for (int j = 0; j < 32; j++)
3019                                 {
3020                                         if (me[j] != NULL)
3021                                         {
3022                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3023                                                 {
3024                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3025                                                         {
3026                                                                 char buffer[MAXBUF];
3027                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3028                                                                 me[j]->connectors[k].SetServerName(servername);
3029                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3030                                                                 sprintf(buffer,"X 0");
3031                                                                 serv->SendPacket(buffer,servername);
3032                                                                 DoSync(me[j],servername);
3033                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3034                                                                 NetSendToAllExcept(servername,buffer);
3035                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3036                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3037                                                                 NetSendMyRoutingTable();
3038                                                                 return;
3039                                                         }
3040                                                 }
3041                                         }
3042                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3043                                         return;
3044                                 }
3045                         }
3046                         else {
3047                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3048                         }
3049                 }
3050                 char buffer[MAXBUF];
3051                 sprintf(buffer,"E :Access is denied (no matching link block)");
3052                 serv->SendPacket(buffer,tcp_host);
3053                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3054                 RemoveServer(tcp_host);
3055                 RemoveServer(servername);
3056                 return;
3057         }
3058         else
3059         if (token == 'E') {
3060                 char* error_message = finalparam+2;
3061                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3062                 return;
3063         }
3064         else {
3065
3066                 serverrec* source_server = NULL;
3067
3068                 for (int j = 0; j < 32; j++)
3069                 {
3070                         if (me[j] != NULL)
3071                         {
3072                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3073                                 {
3074                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3075                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3076                                         {
3077                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3078                                                 {
3079                                                         // found a valid ircd_connector.
3080                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3081                                                         return;
3082                                                 }
3083                                         }
3084                                 }
3085                         }
3086                 }
3087
3088                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3089         }
3090 }
3091
3092 long duration(char* str)
3093 {
3094         char n_field[MAXBUF];
3095         long total = 0;
3096         char* str_end = str + strlen(str);
3097         n_field[0] = 0;
3098
3099         for (char* i = str; i < str_end; i++)
3100         {
3101                 // if we have digits, build up a string for the value in n_field,
3102                 // up to 10 digits in size.
3103                 if ((*i >= '0') && (*i <= '9'))
3104                 {
3105                         strlcat(n_field,i,10);
3106                 }
3107                 else
3108                 {
3109                         // we dont have a digit, check for numeric tokens
3110                         switch (tolower(*i))
3111                         {
3112                                 case 's':
3113                                         total += atoi(n_field);
3114                                 break;
3115
3116                                 case 'm':
3117                                         total += (atoi(n_field)*duration_m);
3118                                 break;
3119
3120                                 case 'h':
3121                                         total += (atoi(n_field)*duration_h);
3122                                 break;
3123
3124                                 case 'd':
3125                                         total += (atoi(n_field)*duration_d);
3126                                 break;
3127
3128                                 case 'w':
3129                                         total += (atoi(n_field)*duration_w);
3130                                 break;
3131
3132                                 case 'y':
3133                                         total += (atoi(n_field)*duration_y);
3134                                 break;
3135                         }
3136                         n_field[0] = 0;
3137                 }
3138         }
3139         // add trailing seconds
3140         total += atoi(n_field);
3141
3142         return total;
3143 }
3144
3145
3146 void handle_kline(char **parameters, int pcnt, userrec *user)
3147 {
3148         if (pcnt >= 3)
3149         {
3150                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3151                 if (!duration(parameters[1]))
3152                 {
3153                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3154                 }
3155                 else
3156                 {
3157                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3158                 }
3159         }
3160         else
3161         {
3162                 if (del_kline(parameters[0]))
3163                 {
3164                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3165                 }
3166                 else
3167                 {
3168                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3169                 }
3170         }
3171         apply_lines();
3172 }
3173
3174 void handle_eline(char **parameters, int pcnt, userrec *user)
3175 {
3176         if (pcnt >= 3)
3177         {
3178                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3179                 if (!duration(parameters[1]))
3180                 {
3181                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3182                 }
3183                 else
3184                 {
3185                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3186                 }
3187         }
3188         else
3189         {
3190                 if (del_eline(parameters[0]))
3191                 {
3192                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3193                 }
3194                 else
3195                 {
3196                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3197                 }
3198         }
3199         // no need to apply the lines for an eline
3200 }
3201
3202 void handle_gline(char **parameters, int pcnt, userrec *user)
3203 {
3204         char netdata[MAXBUF];
3205         if (pcnt >= 3)
3206         {
3207                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3208                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3209                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,time(NULL),duration(parameters[1]),parameters[2]);
3210                 NetSendToAll(netdata);
3211                 if (!duration(parameters[1]))
3212                 {
3213                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3214                 }
3215                 else
3216                 {
3217                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3218                 }
3219         }
3220         else
3221         {
3222                 if (del_gline(parameters[0]))
3223                 {
3224                         // . <mask> <who-removed-it>
3225                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3226                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3227                 }
3228                 else
3229                 {
3230                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3231                 }
3232         }
3233         apply_lines();
3234 }
3235
3236 void handle_zline(char **parameters, int pcnt, userrec *user)
3237 {
3238         if (pcnt >= 3)
3239         {
3240                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3241                 if (!duration(parameters[1]))
3242                 {
3243                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3244                 }
3245                 else
3246                 {
3247                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3248                 }
3249         }
3250         else
3251         {
3252                 if (del_zline(parameters[0]))
3253                 {
3254                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3255                 }
3256                 else
3257                 {
3258                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3259                 }
3260         }
3261         apply_lines();
3262 }
3263
3264 void handle_qline(char **parameters, int pcnt, userrec *user)
3265 {
3266         if (pcnt >= 3)
3267         {
3268                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3269                 if (!duration(parameters[1]))
3270                 {
3271                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3272                 }
3273                 else
3274                 {
3275                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3276                 }
3277         }
3278         else
3279         {
3280                 if (del_qline(parameters[0]))
3281                 {
3282                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3283                 }
3284                 else
3285                 {
3286                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3287                 }
3288         }
3289         apply_lines();
3290 }
3291
3292