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 time_t TIME;
  95
  96 extern std::vector<int> fd_reap;
  97 extern std::vector<std::string> module_names;
  98
  99 extern char MyExecutable[1024];
 100 extern int boundPortCount;
 101 extern int portCount;
 102 extern int UDPportCount;
 103 extern int ports[MAXSOCKS];
 104 extern int defaultRoute;
 105
 106 extern std::vector<long> auth_cookies;
 107 extern std::stringstream config_f;
 108
 109 extern serverrec* me[32];
 110
 111 extern FILE *log_file;
 112
 113 extern ClassVector Classes;
 114
 115 const long duration_m = 60;
 116 const long duration_h = duration_m * 60;
 117 const long duration_d = duration_h * 24;
 118 const long duration_w = duration_d * 7;
 119 const long duration_y = duration_w * 52;
 120
 121 namespace nspace
 122 {
 123 #ifdef GCC34
 124         template<> struct hash<in_addr>
 125 #else
 126         template<> struct nspace::hash<in_addr>
 127 #endif
 128         {
 129                 size_t operator()(const struct in_addr &a) const
 130                 {
 131                         size_t q;
 132                         memcpy(&q,&a,sizeof(size_t));
 133                         return q;
 134                 }
 135         };
 136 #ifdef GCC34
 137         template<> struct hash<string>
 138 #else
 139         template<> struct nspace::hash<string>
 140 #endif
 141         {
 142                 size_t operator()(const string &s) const
 143                 {
 144                         char a[MAXBUF];
 145                         static struct hash<const char *> strhash;
 146                         strlcpy(a,s.c_str(),MAXBUF);
 147                         strlower(a);
 148                         return strhash(a);
 149                 }
 150         };
 151 }
 152
 153
 154 struct StrHashComp
 155 {
 156
 157         bool operator()(const string& s1, const string& s2) const
 158         {
 159                 char a[MAXBUF],b[MAXBUF];
 160                 strlcpy(a,s1.c_str(),MAXBUF);
 161                 strlcpy(b,s2.c_str(),MAXBUF);
 162                 return (strcasecmp(a,b) == 0);
 163         }
 164
 165 };
 166
 167 struct InAddr_HashComp
 168 {
 169
 170         bool operator()(const in_addr &s1, const in_addr &s2) const
 171         {
 172                 size_t q;
 173                 size_t p;
 174
 175                 memcpy(&q,&s1,sizeof(size_t));
 176                 memcpy(&p,&s2,sizeof(size_t));
 177
 178                 return (q == p);
 179         }
 180
 181 };
 182
 183
 184 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 185 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 186 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 187 typedef std::deque<command_t> command_table;
 188
 189
 190 extern user_hash clientlist;
 191 extern chan_hash chanlist;
 192 extern user_hash whowas;
 193 extern command_table cmdlist;
 194 extern file_cache MOTD;
 195 extern file_cache RULES;
 196 extern address_cache IP;
 197
 198
 199 void handle_join(char **parameters, int pcnt, userrec *user)
 200 {
 201         chanrec* Ptr;
 202         int i = 0;
 203
 204         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 205                 return;
 206         if (parameters[0][0] == '#')
 207         {
 208                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 209         }
 210 }
 211
 212
 213 void handle_part(char **parameters, int pcnt, userrec *user)
 214 {
 215         chanrec* Ptr;
 216
 217         if (pcnt > 1)
 218         {
 219                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 220                         return;
 221                 del_channel(user,parameters[0],parameters[1],false);
 222         }
 223         else
 224         {
 225                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 226                         return;
 227                 del_channel(user,parameters[0],NULL,false);
 228         }
 229 }
 230
 231 void handle_kick(char **parameters, int pcnt, userrec *user)
 232 {
 233         chanrec* Ptr = FindChan(parameters[0]);
 234         userrec* u   = Find(parameters[1]);
 235
 236         if ((!u) || (!Ptr))
 237         {
 238                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 239                 return;
 240         }
 241
 242         if (!has_channel(user,Ptr))
 243         {
 244                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 245                 return;
 246         }
 247
 248         char reason[MAXBUF];
 249
 250         if (pcnt > 2)
 251         {
 252                 strlcpy(reason,parameters[2],MAXBUF);
 253                 if (strlen(reason)>MAXKICK)
 254                 {
 255                         reason[MAXKICK-1] = '\0';
 256                 }
 257
 258                 kick_channel(user,u,Ptr,reason);
 259         }
 260         else
 261         {
 262                 strlcpy(reason,user->nick,MAXBUF);
 263                 kick_channel(user,u,Ptr,reason);
 264         }
 265
 266         // this must be propogated so that channel membership is kept in step network-wide
 267
 268         char buffer[MAXBUF];
 269         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 270         NetSendToAll(buffer);
 271 }
 272
 273
 274 void handle_die(char **parameters, int pcnt, userrec *user)
 275 {
 276         log(DEBUG,"die: %s",user->nick);
 277         if (!strcmp(parameters[0],diepass))
 278         {
 279                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 280                 sleep(DieDelay);
 281                 Exit(ERROR);
 282         }
 283         else
 284         {
 285                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 286         }
 287 }
 288
 289 void handle_restart(char **parameters, int pcnt, userrec *user)
 290 {
 291         char restart[1024];
 292         char *argv[32];
 293         log(DEFAULT,"Restart: %s",user->nick);
 294         if (!strcmp(parameters[0],restartpass))
 295         {
 296                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 297
 298                 argv[0] = MyExecutable;
 299                 argv[1] = "-wait";
 300                 if (nofork)
 301                 {
 302                         argv[2] = "-nofork";
 303                 }
 304                 else
 305                 {
 306                         argv[2] = NULL;
 307                 }
 308                 argv[3] = NULL;
 309
 310                 // close ALL file descriptors
 311                 send_error("Server restarting.");
 312                 sleep(1);
 313                 for (int i = 0; i < 65536; i++)
 314                 {
 315                         int on = 0;
 316                         struct linger linger = { 0 };
 317                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 318                         linger.l_onoff = 1;
 319                         linger.l_linger = 0;
 320                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 321                         Blocking(i);
 322                         close(i);
 323                 }
 324                 sleep(5);
 325
 326                 execv(MyExecutable,argv);
 327
 328                 exit(0);
 329         }
 330         else
 331         {
 332                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 333         }
 334 }
 335
 336 void handle_kill(char **parameters, int pcnt, userrec *user)
 337 {
 338         userrec *u = Find(parameters[0]);
 339         char killreason[MAXBUF];
 340
 341         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 342         if (u)
 343         {
 344                 int MOD_RESULT = 0;
 345                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 346                 if (MOD_RESULT) {
 347                         return;
 348                 }
 349
 350                 if (strcmp(ServerName,u->server))
 351                 {
 352                         // remote kill
 353                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 354                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 355                         WriteCommonExcept(u,"QUIT :%s",killreason);
 356                         // K token must go to ALL servers!!!
 357                         char buffer[MAXBUF];
 358                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 359                         NetSendToAll(buffer);
 360
 361                         user_hash::iterator iter = clientlist.find(u->nick);
 362                         if (iter != clientlist.end())
 363                         {
 364                                 log(DEBUG,"deleting user hash value %d",iter->second);
 365                                 if ((iter->second) && (user->registered == 7)) {
 366                                         delete iter->second;
 367                                         }
 368                         clientlist.erase(iter);
 369                         }
 370                         purge_empty_chans();
 371                 }
 372                 else
 373                 {
 374                         // local kill
 375                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 376                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 377                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 378                         kill_link(u,killreason);
 379                 }
 380         }
 381         else
 382         {
 383                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 384         }
 385 }
 386
 387 void handle_summon(char **parameters, int pcnt, userrec *user)
 388 {
 389         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 390 }
 391
 392 void handle_users(char **parameters, int pcnt, userrec *user)
 393 {
 394         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 395 }
 396
 397 void handle_pass(char **parameters, int pcnt, userrec *user)
 398 {
 399         // Check to make sure they havnt registered -- Fix by FCS
 400         if (user->registered == 7)
 401         {
 402                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 403                 return;
 404         }
 405         if (!strcasecmp(parameters[0],Passwd(user)))
 406         {
 407                 user->haspassed = true;
 408         }
 409 }
 410
 411 void handle_invite(char **parameters, int pcnt, userrec *user)
 412 {
 413         userrec* u = Find(parameters[0]);
 414         chanrec* c = FindChan(parameters[1]);
 415
 416         if ((!c) || (!u))
 417         {
 418                 if (!c)
 419                 {
 420                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 421                 }
 422                 else
 423                 {
 424                         if (c->inviteonly)
 425                         {
 426                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 427                         }
 428                 }
 429
 430                 return;
 431         }
 432
 433         if (c->inviteonly)
 434         {
 435                 if (cstatus(user,c) < STATUS_HOP)
 436                 {
 437                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 438                         return;
 439                 }
 440         }
 441         if (has_channel(u,c))
 442         {
 443                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 444                 return;
 445         }
 446         if (!has_channel(user,c))
 447         {
 448                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 449                 return;
 450         }
 451
 452         int MOD_RESULT = 0;
 453         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 454         if (MOD_RESULT == 1) {
 455                 return;
 456         }
 457
 458         u->InviteTo(c->name);
 459         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 460         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 461
 462         // i token must go to ALL servers!!!
 463         char buffer[MAXBUF];
 464         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 465         NetSendToAll(buffer);
 466 }
 467
 468 void handle_topic(char **parameters, int pcnt, userrec *user)
 469 {
 470         chanrec* Ptr;
 471
 472         if (pcnt == 1)
 473         {
 474                 if (strlen(parameters[0]) <= CHANMAX)
 475                 {
 476                         Ptr = FindChan(parameters[0]);
 477                         if (Ptr)
 478                         {
 479                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 480                                 {
 481                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 482                                         return;
 483                                 }
 484                                 if (Ptr->topicset)
 485                                 {
 486                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 487                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 488                                 }
 489                                 else
 490                                 {
 491                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 492                                 }
 493                         }
 494                         else
 495                         {
 496                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 497                         }
 498                 }
 499                 return;
 500         }
 501         else if (pcnt>1)
 502         {
 503                 if (strlen(parameters[0]) <= CHANMAX)
 504                 {
 505                         Ptr = FindChan(parameters[0]);
 506                         if (Ptr)
 507                         {
 508                                 if ((Ptr) && (!has_channel(user,Ptr)))
 509                                 {
 510                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 511                                         return;
 512                                 }
 513                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 514                                 {
 515                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 516                                         return;
 517                                 }
 518
 519                                 char topic[MAXBUF];
 520                                 strlcpy(topic,parameters[1],MAXBUF);
 521                                 if (strlen(topic)>MAXTOPIC)
 522                                 {
 523                                         topic[MAXTOPIC-1] = '\0';
 524                                 }
 525
 526                                 strlcpy(Ptr->topic,topic,MAXBUF);
 527                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 528                                 Ptr->topicset = TIME;
 529                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 530
 531                                 // t token must go to ALL servers!!!
 532                                 char buffer[MAXBUF];
 533                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 534                                 NetSendToAll(buffer);
 535                         }
 536                         else
 537                         {
 538                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 539                         }
 540                 }
 541         }
 542 }
 543
 544 void handle_names(char **parameters, int pcnt, userrec *user)
 545 {
 546         chanrec* c;
 547
 548         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 549                 return;
 550         c = FindChan(parameters[0]);
 551         if (c)
 552         {
 553                 if (((c) && (!has_channel(user,c))) && (c->secret))
 554                 {
 555                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 556                       return;
 557                 }
 558                 userlist(user,c);
 559                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 560         }
 561         else
 562         {
 563                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 564         }
 565 }
 566
 567 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 568 {
 569         userrec *dest;
 570         chanrec *chan;
 571
 572         user->idle_lastmsg = TIME;
 573
 574         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 575                 return;
 576         if (parameters[0][0] == '#')
 577         {
 578                 chan = FindChan(parameters[0]);
 579                 if (chan)
 580                 {
 581                         if ((chan->noexternal) && (!has_channel(user,chan)))
 582                         {
 583                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 584                                 return;
 585                         }
 586                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 587                         {
 588                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 589                                 return;
 590                         }
 591
 592                         int MOD_RESULT = 0;
 593
 594                         std::string temp = parameters[1];
 595                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 596                         if (MOD_RESULT) {
 597                                 return;
 598                         }
 599                         parameters[1] = (char*)temp.c_str();
 600
 601                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 602
 603                         // if any users of this channel are on remote servers, broadcast the packet
 604                         char buffer[MAXBUF];
 605                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 606                         NetSendToCommon(user,buffer);
 607                 }
 608                 else
 609                 {
 610                         /* no such nick/channel */
 611                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 612                 }
 613                 return;
 614         }
 615
 616         dest = Find(parameters[0]);
 617         if (dest)
 618         {
 619                 if (strcmp(dest->awaymsg,""))
 620                 {
 621                         /* auto respond with aweh msg */
 622                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 623                 }
 624
 625                 int MOD_RESULT = 0;
 626
 627                 std::string temp = parameters[1];
 628                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 629                 if (MOD_RESULT) {
 630                         return;
 631                 }
 632                 parameters[1] = (char*)temp.c_str();
 633
 634
 635
 636                 if (!strcmp(dest->server,user->server))
 637                 {
 638                         // direct write, same server
 639                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 640                 }
 641                 else
 642                 {
 643                         char buffer[MAXBUF];
 644                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 645                         NetSendToOne(dest->server,buffer);
 646                 }
 647         }
 648         else
 649         {
 650                 /* no such nick/channel */
 651                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 652         }
 653 }
 654
 655 void handle_notice(char **parameters, int pcnt, userrec *user)
 656 {
 657         userrec *dest;
 658         chanrec *chan;
 659
 660         user->idle_lastmsg = TIME;
 661
 662         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 663                 return;
 664         if (parameters[0][0] == '#')
 665         {
 666                 chan = FindChan(parameters[0]);
 667                 if (chan)
 668                 {
 669                         if ((chan->noexternal) && (!has_channel(user,chan)))
 670                         {
 671                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 672                                 return;
 673                         }
 674                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 675                         {
 676                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 677                                 return;
 678                         }
 679
 680                         int MOD_RESULT = 0;
 681
 682                         std::string temp = parameters[1];
 683                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 684                         if (MOD_RESULT) {
 685                                 return;
 686                         }
 687                         parameters[1] = (char*)temp.c_str();
 688
 689                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 690
 691                         // if any users of this channel are on remote servers, broadcast the packet
 692                         char buffer[MAXBUF];
 693                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 694                         NetSendToCommon(user,buffer);
 695                 }
 696                 else
 697                 {
 698                         /* no such nick/channel */
 699                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 700                 }
 701                 return;
 702         }
 703
 704         dest = Find(parameters[0]);
 705         if (dest)
 706         {
 707                 int MOD_RESULT = 0;
 708
 709                 std::string temp = parameters[1];
 710                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 711                 if (MOD_RESULT) {
 712                         return;
 713                 }
 714                 parameters[1] = (char*)temp.c_str();
 715
 716                 if (!strcmp(dest->server,user->server))
 717                 {
 718                         // direct write, same server
 719                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 720                 }
 721                 else
 722                 {
 723                         char buffer[MAXBUF];
 724                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 725                         NetSendToOne(dest->server,buffer);
 726                 }
 727         }
 728         else
 729         {
 730                 /* no such nick/channel */
 731                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 732         }
 733 }
 734
 735 void handle_server(char **parameters, int pcnt, userrec *user)
 736 {
 737         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 738         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 739 }
 740
 741 void handle_info(char **parameters, int pcnt, userrec *user)
 742 {
 743         WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
 744         WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
 745         WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
 746         FOREACH_MOD OnInfo(user);
 747         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 748 }
 749
 750 void handle_time(char **parameters, int pcnt, userrec *user)
 751 {
 752         time_t rawtime;
 753         struct tm * timeinfo;
 754
 755         time ( &rawtime );
 756         timeinfo = localtime ( &rawtime );
 757         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 758
 759 }
 760
 761 void handle_whois(char **parameters, int pcnt, userrec *user)
 762 {
 763         userrec *dest;
 764         char *t;
 765
 766         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 767                 return;
 768         dest = Find(parameters[0]);
 769         if (dest)
 770         {
 771                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 772                 if (dest->registered == 7)
 773                 {
 774                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 775                         if ((user == dest) || (strchr(user->modes,'o')))
 776                         {
 777                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 778                         }
 779                         if (strcmp(chlist(dest),""))
 780                         {
 781                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 782                         }
 783                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 784                         if (strcmp(dest->awaymsg,""))
 785                         {
 786                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 787                         }
 788                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 789                         {
 790                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 791                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 792                         }
 793                         FOREACH_MOD OnWhois(user,dest);
 794                         if (!strcasecmp(user->server,dest->server))
 795                         {
 796                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 797                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 798                         }
 799
 800                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 801                 }
 802                 else
 803                 {
 804                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 805                 }
 806         }
 807         else
 808         {
 809                 /* no such nick/channel */
 810                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 811         }
 812 }
 813
 814 void handle_quit(char **parameters, int pcnt, userrec *user)
 815 {
 816         user_hash::iterator iter = clientlist.find(user->nick);
 817         char* reason;
 818
 819         if (user->registered == 7)
 820         {
 821                 /* theres more to do here, but for now just close the socket */
 822                 if (pcnt == 1)
 823                 {
 824                         if (parameters[0][0] == ':')
 825                         {
 826                                 *parameters[0]++;
 827                         }
 828                         reason = parameters[0];
 829
 830                         if (strlen(reason)>MAXQUIT)
 831                         {
 832                                 reason[MAXQUIT-1] = '\0';
 833                         }
 834
 835                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 836                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 837                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 838
 839                         char buffer[MAXBUF];
 840                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 841                         NetSendToAll(buffer);
 842                 }
 843                 else
 844                 {
 845                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 846                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 847                         WriteCommonExcept(user,"QUIT :Client exited");
 848
 849                         char buffer[MAXBUF];
 850                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 851                         NetSendToAll(buffer);
 852                 }
 853                 FOREACH_MOD OnUserQuit(user);
 854                 AddWhoWas(user);
 855         }
 856
 857         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 858         fd_reap.push_back(user->fd);
 859
 860         if (iter != clientlist.end())
 861         {
 862                 clientlist.erase(iter);
 863                 log(DEBUG,"deleting user hash value %d",iter->second);
 864                 //if ((user) && (user->registered == 7)) {
 865                         //delete user;
 866                 //}
 867         }
 868
 869         if (user->registered == 7) {
 870                 purge_empty_chans();
 871         }
 872 }
 873
 874 void handle_who(char **parameters, int pcnt, userrec *user)
 875 {
 876         chanrec* Ptr = NULL;
 877         char tmp[10];
 878
 879         /* theres more to do here, but for now just close the socket */
 880         if (pcnt == 1)
 881         {
 882                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 883                 {
 884                         if (user->chans[0].channel)
 885                         {
 886                                 int n_list = 0;
 887                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 888                                 {
 889                                         Ptr = i->second->chans[0].channel;
 890                                         // suggested by phidjit and FCS
 891                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 892                                         {
 893                                                 // Bug Fix #29
 894                                                 strcpy(tmp, "");
 895                                                 if (strcmp(i->second->awaymsg, "")) {
 896                                                         strncat(tmp, "G", 9);
 897                                                 } else {
 898                                                         strncat(tmp, "H", 9);
 899                                                 }
 900                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 901                                                 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);
 902                                                 n_list++;
 903                                                 if (n_list > MaxWhoResults)
 904                                                         break;
 905                                         }
 906                                 }
 907                         }
 908                         if (Ptr)
 909                         {
 910                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 911                         }
 912                         else
 913                         {
 914                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 915                         }
 916                         return;
 917                 }
 918                 if (parameters[0][0] == '#')
 919                 {
 920                         Ptr = FindChan(parameters[0]);
 921                         if (Ptr)
 922                         {
 923                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 924                                 {
 925                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
 926                                         {
 927                                                 // Fix Bug #29 - Part 2..
 928                                                 strcpy(tmp, "");
 929                                                 if (strcmp(i->second->awaymsg, "")) {
 930                                                         strncat(tmp, "G", 9);
 931                                                 } else {
 932                                                         strncat(tmp, "H", 9);
 933                                                 }
 934                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 935                                                 strcat(tmp, cmode(i->second, Ptr));
 936                                                 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);
 937                                         }
 938                                 }
 939                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 940                         }
 941                         else
 942                         {
 943                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 944                         }
 945                 }
 946                 else
 947                 {
 948                         userrec* u = Find(parameters[0]);
 949                         if (u)
 950                         {
 951                                 // Bug Fix #29 -- Part 29..
 952                                 strcpy(tmp, "");
 953                                 if (strcmp(u->awaymsg, "")) {
 954                                         strncat(tmp, "G" ,9);
 955                                 } else {
 956                                         strncat(tmp, "H" ,9);
 957                                 }
 958                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
 959                                 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);
 960                         }
 961                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 962                 }
 963         }
 964         if (pcnt == 2)
 965         {
 966                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
 967                 {
 968                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 969                         {
 970                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
 971                                 {
 972                                         if (strchr(i->second->modes,'o'))
 973                                         {
 974                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
 975                                                 // But i'm a poor bastard with nothing better to do.
 976                                                 strcpy(tmp, "");
 977                                                 if (strcmp(i->second->awaymsg, "")) {
 978                                                         strncat(tmp, "G" ,9);
 979                                                 } else {
 980                                                         strncat(tmp, "H" ,9);
 981                                                 }
 982
 983                                                 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);
 984                                         }
 985                                 }
 986                         }
 987                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 988                         return;
 989                 }
 990         }
 991 }
 992
 993 void handle_wallops(char **parameters, int pcnt, userrec *user)
 994 {
 995         WriteWallOps(user,false,"%s",parameters[0]);
 996 }
 997
 998 void handle_list(char **parameters, int pcnt, userrec *user)
 999 {
1000         chanrec* Ptr;
1001
1002         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1003         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1004         {
1005                 if ((!i->second->c_private) && (!i->second->secret))
1006                 {
1007                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1008                 }
1009         }
1010         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1011 }
1012
1013
1014 void handle_rehash(char **parameters, int pcnt, userrec *user)
1015 {
1016         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1017         ReadConfig(false,user);
1018         FOREACH_MOD OnRehash();
1019         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1020 }
1021
1022 void handle_lusers(char **parameters, int pcnt, userrec *user)
1023 {
1024         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1025         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1026         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1027         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1028         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1029 }
1030
1031 void handle_admin(char **parameters, int pcnt, userrec *user)
1032 {
1033         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1034         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1035         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1036         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1037 }
1038
1039 void handle_ping(char **parameters, int pcnt, userrec *user)
1040 {
1041         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1042 }
1043
1044 void handle_pong(char **parameters, int pcnt, userrec *user)
1045 {
1046         // set the user as alive so they survive to next ping
1047         user->lastping = 1;
1048 }
1049
1050 void handle_motd(char **parameters, int pcnt, userrec *user)
1051 {
1052         ShowMOTD(user);
1053 }
1054
1055 void handle_rules(char **parameters, int pcnt, userrec *user)
1056 {
1057         ShowRULES(user);
1058 }
1059
1060 void handle_user(char **parameters, int pcnt, userrec *user)
1061 {
1062         if (user->registered < 3)
1063         {
1064                 if (isident(parameters[0]) == 0) {
1065                         // This kinda Sucks, According to the RFC thou, its either this,
1066                         // or "You have already registered" :p -- Craig
1067                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1068                 }
1069                 else {
1070                         WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
1071                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1072                         strlcat(user->ident,parameters[0],IDENTMAX);
1073                         strlcpy(user->fullname,parameters[3],128);
1074                         user->registered = (user->registered | 1);
1075                 }
1076         }
1077         else
1078         {
1079                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1080                 return;
1081         }
1082         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1083         if (user->registered == 3)
1084         {
1085                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1086                 ConnectUser(user);
1087         }
1088 }
1089
1090 void handle_userhost(char **parameters, int pcnt, userrec *user)
1091 {
1092         char Return[MAXBUF],junk[MAXBUF];
1093         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1094         for (int i = 0; i < pcnt; i++)
1095         {
1096                 userrec *u = Find(parameters[i]);
1097                 if (u)
1098                 {
1099                         if (strchr(u->modes,'o'))
1100                         {
1101                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1102                                 strlcat(Return,junk,MAXBUF);
1103                         }
1104                         else
1105                         {
1106                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1107                                 strlcat(Return,junk,MAXBUF);
1108                         }
1109                 }
1110         }
1111         WriteServ(user->fd,Return);
1112 }
1113
1114
1115 void handle_ison(char **parameters, int pcnt, userrec *user)
1116 {
1117         char Return[MAXBUF];
1118         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1119         for (int i = 0; i < pcnt; i++)
1120         {
1121                 userrec *u = Find(parameters[i]);
1122                 if (u)
1123                 {
1124                         strlcat(Return,u->nick,MAXBUF);
1125                         strlcat(Return," ",MAXBUF);
1126                 }
1127         }
1128         WriteServ(user->fd,Return);
1129 }
1130
1131
1132 void handle_away(char **parameters, int pcnt, userrec *user)
1133 {
1134         if (pcnt)
1135         {
1136                 strlcpy(user->awaymsg,parameters[0],512);
1137                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1138         }
1139         else
1140         {
1141                 strlcpy(user->awaymsg,"",512);
1142                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1143         }
1144 }
1145
1146 void handle_whowas(char **parameters, int pcnt, userrec* user)
1147 {
1148         user_hash::iterator i = whowas.find(parameters[0]);
1149
1150         if (i == whowas.end())
1151         {
1152                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1153                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1154         }
1155         else
1156         {
1157                 time_t rawtime = i->second->signon;
1158                 tm *timeinfo;
1159                 char b[MAXBUF];
1160
1161                 timeinfo = localtime(&rawtime);
1162                 strlcpy(b,asctime(timeinfo),MAXBUF);
1163                 b[strlen(b)-1] = '\0';
1164
1165                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1166                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1167                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1168         }
1169
1170 }
1171
1172 void handle_trace(char **parameters, int pcnt, userrec *user)
1173 {
1174         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1175         {
1176                 if (i->second)
1177                 {
1178                         if (isnick(i->second->nick))
1179                         {
1180                                 if (strchr(i->second->modes,'o'))
1181                                 {
1182                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1183                                 }
1184                                 else
1185                                 {
1186                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1187                                 }
1188                         }
1189                         else
1190                         {
1191                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1192                         }
1193                 }
1194         }
1195 }
1196
1197 void handle_modules(char **parameters, int pcnt, userrec *user)
1198 {
1199         for (int i = 0; i < module_names.size(); i++)
1200         {
1201                         Version V = modules[i]->GetVersion();
1202                         char modulename[MAXBUF];
1203                         strlcpy(modulename,module_names[i].c_str(),256);
1204                         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));
1205         }
1206 }
1207
1208 void handle_stats(char **parameters, int pcnt, userrec *user)
1209 {
1210         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1211         if (pcnt != 1)
1212         {
1213                 return;
1214         }
1215         if (strlen(parameters[0])>1)
1216         {
1217                 /* make the stats query 1 character long */
1218                 parameters[0][1] = '\0';
1219         }
1220
1221
1222         if (!strcasecmp(parameters[0],"c"))
1223         {
1224                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1225                 {
1226                         ConfValue("link","name",i,Link_ServerName,&config_f);
1227                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1228                         ConfValue("link","port",i,Link_Port,&config_f);
1229                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1230                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1231                 }
1232         }
1233
1234         if (!strcasecmp(parameters[0],"i"))
1235         {
1236                 int idx = 0;
1237                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1238                 {
1239                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1240                         idx++;
1241                 }
1242         }
1243
1244         if (!strcasecmp(parameters[0],"y"))
1245         {
1246                 int idx = 0;
1247                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1248                 {
1249                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1250                         idx++;
1251                 }
1252         }
1253
1254         if (!strcmp(parameters[0],"U"))
1255         {
1256                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1257                 {
1258                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1259                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1260                 }
1261         }
1262
1263         if (!strcmp(parameters[0],"P"))
1264         {
1265                 int idx = 0;
1266                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1267                 {
1268                         if (strchr(i->second->modes,'o'))
1269                         {
1270                                 WriteServ(user->fd,"249 %s :%s (%s@%s) Idle: %d",user->nick,i->second->nick,i->second->ident,i->second->dhost,(TIME - i->second->idle_lastmsg));
1271                                 idx++;
1272                         }
1273                 }
1274                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1275         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1276         }
1277
1278         if (!strcmp(parameters[0],"k"))
1279         {
1280                 stats_k(user);
1281         }
1282
1283         if (!strcmp(parameters[0],"g"))
1284         {
1285                 stats_g(user);
1286         }
1287
1288         if (!strcmp(parameters[0],"q"))
1289         {
1290                 stats_q(user);
1291         }
1292
1293         if (!strcmp(parameters[0],"Z"))
1294         {
1295                 stats_z(user);
1296         }
1297
1298         if (!strcmp(parameters[0],"e"))
1299         {
1300                 stats_e(user);
1301         }
1302
1303         /* stats m (list number of times each command has been used, plus bytecount) */
1304         if (!strcmp(parameters[0],"m"))
1305         {
1306                 for (int i = 0; i < cmdlist.size(); i++)
1307                 {
1308                         if (cmdlist[i].handler_function)
1309                         {
1310                                 if (cmdlist[i].use_count)
1311                                 {
1312                                         /* RPL_STATSCOMMANDS */
1313                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1314                                 }
1315                         }
1316                 }
1317
1318         }
1319
1320         /* stats z (debug and memory info) */
1321         if (!strcmp(parameters[0],"z"))
1322         {
1323                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1324                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1325                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1326                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1327                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1328                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1329                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1330                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1331         }
1332
1333         /* stats o */
1334         if (!strcmp(parameters[0],"o"))
1335         {
1336                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1337                 {
1338                         char LoginName[MAXBUF];
1339                         char HostName[MAXBUF];
1340                         char OperType[MAXBUF];
1341                         ConfValue("oper","name",i,LoginName,&config_f);
1342                         ConfValue("oper","host",i,HostName,&config_f);
1343                         ConfValue("oper","type",i,OperType,&config_f);
1344                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1345                 }
1346         }
1347
1348         /* stats l (show user I/O stats) */
1349         if (!strcmp(parameters[0],"l"))
1350         {
1351                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1352                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1353                 {
1354                         if (isnick(i->second->nick))
1355                         {
1356                                 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);
1357                         }
1358                         else
1359                         {
1360                                 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);
1361                         }
1362
1363                 }
1364         }
1365
1366         /* stats u (show server uptime) */
1367         if (!strcmp(parameters[0],"u"))
1368         {
1369                 time_t current_time = 0;
1370                 current_time = TIME;
1371                 time_t server_uptime = current_time - startup_time;
1372                 struct tm* stime;
1373                 stime = gmtime(&server_uptime);
1374                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1375                  * Craig suggested this, and it seemed a good idea so in it went */
1376                 if (stime->tm_year > 70)
1377                 {
1378                         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);
1379                 }
1380                 else
1381                 {
1382                         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);
1383                 }
1384         }
1385
1386         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1387         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1388
1389 }
1390
1391 void handle_connect(char **parameters, int pcnt, userrec *user)
1392 {
1393         char Link_ServerName[1024];
1394         char Link_IPAddr[1024];
1395         char Link_Port[1024];
1396         char Link_Pass[1024];
1397         int LinkPort;
1398         bool found = false;
1399
1400         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1401         {
1402                 if (!found)
1403                 {
1404                         ConfValue("link","name",i,Link_ServerName,&config_f);
1405                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1406                         ConfValue("link","port",i,Link_Port,&config_f);
1407                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1408                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1409                         LinkPort = atoi(Link_Port);
1410                         if (match(Link_ServerName,parameters[0])) {
1411                                 found = true;
1412                                 break;
1413                         }
1414                 }
1415         }
1416
1417         if (!found) {
1418                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1419                 return;
1420         }
1421
1422         // TODO: Perform a check here to stop a server being linked twice!
1423
1424         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1425
1426         if (me[defaultRoute])
1427         {
1428                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1429                 return;
1430         }
1431         else
1432         {
1433                 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);
1434         }
1435 }
1436
1437 void handle_squit(char **parameters, int pcnt, userrec *user)
1438 {
1439         // send out an squit across the mesh and then clear the server list (for local squit)
1440         if (!pcnt)
1441         {
1442                 WriteOpers("SQUIT command issued by %s",user->nick);
1443                 char buffer[MAXBUF];
1444                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1445                 NetSendToAll(buffer);
1446                 DoSplitEveryone();
1447         }
1448         else
1449         {
1450                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1451         }
1452 }
1453
1454 void handle_links(char **parameters, int pcnt, userrec *user)
1455 {
1456         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1457         for (int j = 0; j < 32; j++)
1458         {
1459                 if (me[j] != NULL)
1460                 {
1461                         for (int k = 0; k < me[j]->connectors.size(); k++)
1462                         {
1463                                 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());
1464                         }
1465                 }
1466         }
1467         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1468 }
1469
1470 void handle_map(char **parameters, int pcnt, userrec *user)
1471 {
1472         char line[MAXBUF];
1473         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1474         while (strlen(line) < 50)
1475                 strcat(line," ");
1476         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1477         for (int j = 0; j < 32; j++)
1478         {
1479                 if (me[j] != NULL)
1480                 {
1481                         for (int k = 0; k < me[j]->connectors.size(); k++)
1482                         {
1483                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1484                                 while (strlen(line) < 50)
1485                                         strcat(line," ");
1486                                 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)registered_usercount())*100));
1487                         }
1488                 }
1489         }
1490         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1491 }
1492
1493 bool is_uline(const char* server)
1494 {
1495         char ServName[MAXBUF];
1496         int i,j;
1497
1498         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1499         {
1500                 ConfValue("uline","server",i,ServName,&config_f);
1501                 if (!strcasecmp(server,ServName))
1502                 {
1503                         return true;
1504                 }
1505         }
1506         return false;
1507 }
1508
1509
1510 void handle_oper(char **parameters, int pcnt, userrec *user)
1511 {
1512         char LoginName[MAXBUF];
1513         char Password[MAXBUF];
1514         char OperType[MAXBUF];
1515         char TypeName[MAXBUF];
1516         char HostName[MAXBUF];
1517         char TheHost[MAXBUF];
1518         int i,j;
1519         bool found = false;
1520         bool fail2 = false;
1521         char global[MAXBUF];
1522
1523         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1524
1525         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1526         {
1527                 ConfValue("oper","name",i,LoginName,&config_f);
1528                 ConfValue("oper","password",i,Password,&config_f);
1529                 ConfValue("oper","type",i,OperType,&config_f);
1530                 ConfValue("oper","host",i,HostName,&config_f);
1531                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1532                 {
1533                         fail2 = true;
1534                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1535                         {
1536                                 ConfValue("type","name",j,TypeName,&config_f);
1537
1538                                 if (!strcmp(TypeName,OperType))
1539                                 {
1540                                         /* found this oper's opertype */
1541                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1542                                         NetSendToAll(global);
1543                                         ConfValue("type","host",j,HostName,&config_f);
1544                                         ChangeDisplayedHost(user,HostName);
1545                                         strlcpy(user->oper,TypeName,NICKMAX);
1546                                         found = true;
1547                                         fail2 = false;
1548                                         break;
1549                                 }
1550                         }
1551                 }
1552                 if (found)
1553                         break;
1554         }
1555         if (found)
1556         {
1557                 /* correct oper credentials */
1558                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1559                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1560                 if (!strchr(user->modes,'o'))
1561                 {
1562                         strcat(user->modes,"o");
1563                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1564                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1565                         NetSendToAll(global);
1566                         FOREACH_MOD OnOper(user);
1567                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1568                 }
1569         }
1570         else
1571         {
1572                 if (!fail2)
1573                 {
1574                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1575                         WriteOpers("*** WARNING! qFailed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1576                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1577                 }
1578                 else
1579                 {
1580                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1581                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1582                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1583                 }
1584         }
1585         return;
1586 }
1587
1588 void handle_nick(char **parameters, int pcnt, userrec *user)
1589 {
1590         if (pcnt < 1)
1591         {
1592                 log(DEBUG,"not enough params for handle_nick");
1593                 return;
1594         }
1595         if (!parameters[0])
1596         {
1597                 log(DEBUG,"invalid parameter passed to handle_nick");
1598                 return;
1599         }
1600         if (!strlen(parameters[0]))
1601         {
1602                 log(DEBUG,"zero length new nick passed to handle_nick");
1603                 return;
1604         }
1605         if (!user)
1606         {
1607                 log(DEBUG,"invalid user passed to handle_nick");
1608                 return;
1609         }
1610         if (!user->nick)
1611         {
1612                 log(DEBUG,"invalid old nick passed to handle_nick");
1613                 return;
1614         }
1615         if (!strcasecmp(user->nick,parameters[0]))
1616         {
1617                 log(DEBUG,"old nick is new nick, skipping");
1618                 return;
1619         }
1620         else
1621         {
1622                 if (strlen(parameters[0]) > 1)
1623                 {
1624                         if (parameters[0][0] == ':')
1625                         {
1626                                 *parameters[0]++;
1627                         }
1628                 }
1629                 if (matches_qline(parameters[0]))
1630                 {
1631                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1632                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1633                         return;
1634                 }
1635                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1636                 {
1637                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1638                         return;
1639                 }
1640         }
1641         if (isnick(parameters[0]) == 0)
1642         {
1643                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1644                 return;
1645         }
1646
1647         if (user->registered == 7)
1648         {
1649                 int MOD_RESULT = 0;
1650                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1651                 if (MOD_RESULT) {
1652                         // if a module returns true, the nick change is silently forbidden.
1653                         return;
1654                 }
1655
1656                 WriteCommon(user,"NICK %s",parameters[0]);
1657
1658                 // Q token must go to ALL servers!!!
1659                 char buffer[MAXBUF];
1660                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1661                 NetSendToAll(buffer);
1662         }
1663
1664         char oldnick[NICKMAX];
1665         strlcpy(oldnick,user->nick,NICKMAX);
1666
1667         /* change the nick of the user in the users_hash */
1668         user = ReHashNick(user->nick, parameters[0]);
1669         /* actually change the nick within the record */
1670         if (!user) return;
1671         if (!user->nick) return;
1672
1673         strlcpy(user->nick, parameters[0],NICKMAX);
1674
1675         log(DEBUG,"new nick set: %s",user->nick);
1676
1677         if (user->registered < 3)
1678         {
1679                 user->registered = (user->registered | 2);
1680                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1681                 // and unless we're lucky we'll get a duff one later on.
1682                 user->dns_done = (!lookup_dns(user->nick));
1683                 if (user->dns_done)
1684                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1685         }
1686         if (user->registered == 3)
1687         {
1688                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1689                 ConnectUser(user);
1690         }
1691         if (user->registered == 7)
1692         {
1693                 FOREACH_MOD OnUserPostNick(user,oldnick);
1694         }
1695 }
1696
1697
1698
1699 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1700 {
1701         char* src = strtok(params," ");
1702         char* dest = strtok(NULL," :");
1703         char* text = strtok(NULL,"\r\n");
1704         text++;
1705
1706         userrec* user = Find(src);
1707         if (user)
1708         {
1709                 userrec* dst = Find(dest);
1710
1711                 if (dst)
1712                 {
1713                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1714                 }
1715                 else
1716                 {
1717                         chanrec* d = FindChan(dest);
1718                         if (d)
1719                         {
1720                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1721                         }
1722                 }
1723         }
1724
1725 }
1726
1727
1728 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1729 {
1730         char* src = strtok(params," ");
1731         char* dest = strtok(NULL," :");
1732         char* text = strtok(NULL,"\r\n");
1733         text++;
1734
1735         userrec* user = Find(src);
1736         if (user)
1737         {
1738                 userrec* dst = Find(dest);
1739
1740                 if (dst)
1741                 {
1742                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1743                 }
1744                 else
1745                 {
1746                         chanrec* d = FindChan(dest);
1747                         if (d)
1748                         {
1749                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1750                         }
1751                 }
1752         }
1753
1754 }
1755
1756 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1757 {
1758         char* nick = strtok(params," ");
1759         char* from = strtok(NULL," ");
1760         char* channel = strtok(NULL," ");
1761         userrec* u = Find(nick);
1762         userrec* user = Find(from);
1763         chanrec* c = FindChan(channel);
1764         if ((c) && (u) && (user))
1765         {
1766                 u->InviteTo(c->name);
1767                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1768         }
1769 }
1770
1771 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1772 {
1773         char* setby = strtok(params," ");
1774         char* channel = strtok(NULL," :");
1775         char* topic = strtok(NULL,"\r\n");
1776         topic++;
1777         userrec* u = Find(setby);
1778         chanrec* c = FindChan(channel);
1779         if ((c) && (u))
1780         {
1781                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1782                 strlcpy(c->topic,topic,MAXTOPIC);
1783                 strlcpy(c->setby,u->nick,NICKMAX);
1784                 c->topicset = TIME;
1785         }
1786 }
1787
1788
1789 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1790 {
1791         char* tm = strtok(params," ");
1792         char* setby = strtok(NULL," ");
1793         char* channel = strtok(NULL," :");
1794         char* topic = strtok(NULL,"\r\n");
1795         topic++;
1796         time_t TS = atoi(tm);
1797         chanrec* c = FindChan(channel);
1798         if (c)
1799         {
1800                 // in the case of topics and TS, the *NEWER*
1801                 if (TS <= c->topicset)
1802                 {
1803                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1804                         strlcpy(c->topic,topic,MAXTOPIC);
1805                         strlcpy(c->setby,setby,NICKMAX);
1806                 }
1807         }
1808 }
1809
1810 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1811 {
1812         char* pars[128];
1813         char original[MAXBUF],target[MAXBUF];
1814         strlcpy(original,params,MAXBUF);
1815         int index = 0;
1816         char* parameter = strtok(params," ");
1817         strlcpy(target,parameter,MAXBUF);
1818         while (parameter)
1819         {
1820                 if (parameter[0] == ':')
1821                         parameter++;
1822                 pars[index++] = parameter;
1823                 parameter = strtok(NULL," ");
1824         }
1825         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1826         merge_mode(pars,index);
1827         if (FindChan(target))
1828         {
1829                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1830         }
1831         if (Find(target))
1832         {
1833                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1834         }
1835 }
1836
1837 // m is modes set by users only (not servers) valid targets are channels or users.
1838
1839 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1840 {
1841         // m blah #chatspike +b *!test@*4
1842         char* pars[128];
1843         char original[MAXBUF];
1844         strlcpy(original,params,MAXBUF);
1845
1846         if (!strchr(params,' '))
1847         {
1848                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1849                 return;
1850         }
1851
1852         int index = 0;
1853
1854         char* src = strtok(params," ");
1855         userrec* user = Find(src);
1856
1857         if (user)
1858         {
1859                 log(DEBUG,"Found user: %s",user->nick);
1860                 char* parameter = strtok(NULL," ");
1861                 while (parameter)
1862                 {
1863                         pars[index++] = parameter;
1864                         parameter = strtok(NULL," ");
1865                 }
1866
1867                 log(DEBUG,"Calling merge_mode2");
1868                 merge_mode2(pars,index,user);
1869         }
1870 }
1871
1872
1873 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1874 {
1875         char* nick = strtok(params," ");
1876         char* channel = strtok(NULL," :");
1877         char* reason = strtok(NULL,"\r\n");
1878         userrec* user = Find(nick);
1879         reason++;
1880         if (user)
1881         {
1882                 if (strcmp(reason,""))
1883                 {
1884                         del_channel(user,channel,reason,true);
1885                 }
1886                 else
1887                 {
1888                         del_channel(user,channel,NULL,true);
1889                 }
1890         }
1891 }
1892
1893 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1894 {
1895         char* src = strtok(params," ");
1896         char* nick = strtok(NULL," :");
1897         char* reason = strtok(NULL,"\r\n");
1898         char kreason[MAXBUF];
1899         reason++;
1900
1901         userrec* u = Find(nick);
1902         userrec* user = Find(src);
1903
1904         if ((user) && (u))
1905         {
1906                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
1907                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
1908                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
1909                 kill_link(u,kreason);
1910         }
1911 }
1912
1913 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1914 {
1915         char* nick = strtok(params," :");
1916         char* reason = strtok(NULL,"\r\n");
1917         reason++;
1918
1919         userrec* user = Find(nick);
1920
1921         if (user)
1922         {
1923                 if (strlen(reason)>MAXQUIT)
1924                 {
1925                         reason[MAXQUIT-1] = '\0';
1926                 }
1927
1928
1929                 WriteCommonExcept(user,"QUIT :%s",reason);
1930
1931                 user_hash::iterator iter = clientlist.find(user->nick);
1932
1933                 if (iter != clientlist.end())
1934                 {
1935                         log(DEBUG,"deleting user hash value %d",iter->second);
1936                         if ((iter->second) && (user->registered == 7)) {
1937                                 delete iter->second;
1938                         }
1939                         clientlist.erase(iter);
1940                 }
1941
1942                 purge_empty_chans();
1943         }
1944 }
1945
1946 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1947 {
1948         char* oldnick = strtok(params," ");
1949         char* newnick = strtok(NULL," ");
1950
1951         userrec* user = Find(oldnick);
1952
1953         if (user)
1954         {
1955                 WriteCommon(user,"NICK %s",newnick);
1956                 if (is_uline(tcp_host))
1957                 {
1958                         int MOD_RESULT = 0;
1959                         FOREACH_RESULT(OnUserPreNick(user,newnick));
1960                         if (MOD_RESULT) {
1961                                 // if a module returns true, the nick change couldnt be allowed
1962                                 kill_link(user,"Nickname collision");
1963                                 return;
1964                         }
1965                         if (matches_qline(newnick))
1966                         {
1967                                 kill_link(user,"Nickname collision");
1968                                 return;
1969                         }
1970
1971                         // broadcast this because its a services thingy
1972                         char buffer[MAXBUF];
1973                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
1974                         NetSendToAll(buffer);
1975                 }
1976                 user = ReHashNick(user->nick, newnick);
1977                 if (!user) return;
1978                 if (!user->nick) return;
1979                 strlcpy(user->nick, newnick,NICKMAX);
1980                 log(DEBUG,"new nick set: %s",user->nick);
1981         }
1982 }
1983
1984 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
1985 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1986 {
1987         char* src = strtok(params," ");
1988         char* dest = strtok(NULL," ");
1989         char* channel = strtok(NULL," :");
1990         char* reason = strtok(NULL,"\r\n");
1991         reason++;
1992         userrec* s = Find(src);
1993         userrec* d = Find(dest);
1994         chanrec* c = FindChan(channel);
1995         if ((s) && (d) && (c))
1996         {
1997                 kick_channel(s,d,c,reason);
1998                 return;
1999         }
2000         d = Find(channel);
2001         c = FindChan(dest);
2002         if ((s) && (d) && (c))
2003         {
2004                 kick_channel(s,d,c,reason);
2005                 return;
2006         }
2007 }
2008
2009 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2010 {
2011         char* who = strtok(params," :");
2012         char* text = strtok(NULL,"\r\n");
2013         text++;
2014         userrec* s = Find(who);
2015         if (s)
2016         {
2017                 WriteWallOps(s,true,text);
2018         }
2019 }
2020
2021 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2022 {
2023         log(DEBUG,"Adding ULined server %s to my map",params);
2024         ircd_connector s;
2025         s.SetState(STATE_DISCONNECTED);
2026         s.SetServerName(params);
2027
2028         for (int j = 0; j < 32; j++)
2029         {
2030                 if (me[j] != NULL)
2031                 {
2032                         for (int k = 0; k < me[j]->connectors.size(); k++)
2033                         {
2034                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2035                                 {
2036                                         // dont allow a server to be added twice
2037                                         log(DEBUG,"ULined server %s already in the map!",params);
2038                                         return;
2039                                 }
2040                         }
2041                 }
2042         }
2043
2044         source->connectors.push_back(s);
2045         WriteOpers("Non-Mesh server %s has joined the network",params);
2046 }
2047
2048 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2049 {
2050         char* tm = strtok(params," ");
2051         char* nick = strtok(NULL," ");
2052         char* host = strtok(NULL," ");
2053         char* dhost = strtok(NULL," ");
2054         char* ident = strtok(NULL," ");
2055         char* modes = strtok(NULL," ");
2056         char* ipaddr = strtok(NULL," ");
2057         char* server = strtok(NULL," :");
2058         char* gecos = strtok(NULL,"\r\n");
2059         gecos++;
2060         modes++;
2061         time_t TS = atoi(tm);
2062         user_hash::iterator iter = clientlist.find(nick);
2063         if (iter != clientlist.end())
2064         {
2065                 // nick collision
2066                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2067                 char str[MAXBUF];
2068                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2069                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2070                 kill_link(iter->second,str);
2071         }
2072         clientlist[nick] = new userrec();
2073         // remote users have an fd of -1. This is so that our Write abstraction
2074         // routines know to route any messages to this record away to whatever server
2075         // theyre on.
2076         clientlist[nick]->fd = -1;
2077         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2078         strlcpy(clientlist[nick]->host, host,160);
2079         strlcpy(clientlist[nick]->dhost, dhost,160);
2080         strlcpy(clientlist[nick]->server, server,256);
2081         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2082         strlcpy(clientlist[nick]->fullname, gecos,128);
2083         clientlist[nick]->signon = TS;
2084         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2085         clientlist[nick]->lastping = 1;
2086         clientlist[nick]->port = 0; // so is this...
2087         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2088         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2089         for (int i = 0; i < MAXCHANS; i++)
2090         {
2091                 clientlist[nick]->chans[i].channel = NULL;
2092                 clientlist[nick]->chans[i].uc_modes = 0;
2093         }
2094 }
2095
2096 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2097 {
2098         long tdiff = TIME - atoi(params);
2099         if (tdiff)
2100                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2101 }
2102
2103 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2104 {
2105         char* nick = strtok(params," :");
2106         char* gecos = strtok(NULL,"\r\n");
2107
2108         userrec* user = Find(nick);
2109
2110         if (user)
2111                 strlcpy(user->fullname,gecos,MAXBUF);
2112 }
2113
2114 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2115 {
2116         char* nick = strtok(params," ");
2117         char* host = strtok(NULL," ");
2118
2119         userrec* user = Find(nick);
2120
2121         if (user)
2122                 strlcpy(user->dhost,host,160);
2123 }
2124
2125 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2126 {
2127         // %s %s %d %d
2128         // + test3.chatspike.net 7010 -2016508415
2129         char* servername = strtok(params," ");
2130         char* ipaddr = strtok(NULL," ");
2131         char* ipport = strtok(NULL," ");
2132         char* cookie = strtok(NULL," ");
2133         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2134
2135
2136         bool conn_already = false;
2137         for (int i = 0; i < 32; i++)
2138         {
2139                 if (me[i] != NULL)
2140                 {
2141                         for (int j = 0; j < me[i]->connectors.size(); j++)
2142                         {
2143                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2144                                 {
2145                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2146                                         {
2147                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2148                                                 conn_already = true;
2149                                         }
2150                                 }
2151                         }
2152                 }
2153         }
2154         if (!conn_already)
2155                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2156 }
2157
2158 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2159 {
2160         char* server = strtok(params," ");
2161         char* data = strtok(NULL,"\r\n");
2162         if ((!data) || (!server))
2163         {
2164                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2165                 return;
2166         }
2167
2168         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2169         NetSendToOne(server,data);
2170 }
2171
2172 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2173 {
2174         // IMPORTANT NOTE
2175         // The J token currently has no timestamp - this needs looking at
2176         // because it will allow splitriding.
2177         char* nick = strtok(params," ");
2178         char* channel = strtok(NULL," ");
2179         userrec* user = Find(nick);
2180         while (channel)
2181         {
2182                 if ((user != NULL) && (strcmp(channel,"")))
2183                 {
2184                         char privilage = '\0';
2185                         if (channel[0] != '#')
2186                         {
2187                                 privilage = channel[0];
2188                                 channel++;
2189                         }
2190                         add_channel(user,channel,"",true);
2191
2192                         // now work out the privilages they should have on each channel
2193                         // and send the appropriate servermodes.
2194                         for (int i = 0; i != MAXCHANS; i++)
2195                         {
2196                                 if (user->chans[i].channel)
2197                                 {
2198                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2199                                         {
2200                                                 if (privilage == '@')
2201                                                 {
2202                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2203                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2204                                                 }
2205                                                 if (privilage == '%')
2206                                                 {
2207                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2208                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2209                                                 }
2210                                                 if (privilage == '+')
2211                                                 {
2212                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2213                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2214                                                 }
2215                                         }
2216                                 }
2217                         }
2218
2219                 }
2220                 channel = strtok(NULL," ");
2221         }
2222 }
2223
2224 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2225 {
2226         log(DEBUG,"Storing routing table...");
2227         char* sourceserver = strtok(params," ");
2228         char* server = strtok(NULL," ");
2229         for (int i = 0; i < 32; i++)
2230         {
2231                 if (me[i] != NULL)
2232                 {
2233                         for (int j = 0; j < me[i]->connectors.size(); j++)
2234                         {
2235                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2236                                 {
2237                                         me[i]->connectors[j].routes.clear();
2238                                         log(DEBUG,"Found entry for source server.");
2239                                         while (server)
2240                                         {
2241                                                 // store each route
2242                                                 me[i]->connectors[j].routes.push_back(server);
2243                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2244                                                 server = strtok(NULL," ");
2245                                         }
2246                                         return;
2247                                 }
2248                         }
2249                 }
2250         }
2251         log(DEBUG,"Warning! routing table received from nonexistent server!");
2252 }
2253
2254 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2255 {
2256         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2257         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2258         bool go_again = true;
2259         while (go_again)
2260         {
2261                 go_again = false;
2262                 for (int i = 0; i < 32; i++)
2263                 {
2264                         if (me[i] != NULL)
2265                         {
2266                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2267                                 {
2268                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2269                                         {
2270                                                 j->routes.clear();
2271                                                 j->CloseConnection();
2272                                                 me[i]->connectors.erase(j);
2273                                                 go_again = true;
2274                                                 break;
2275                                         }
2276                                 }
2277                         }
2278                 }
2279         }
2280         log(DEBUG,"Removed server. Will remove clients...");
2281         // iterate through the userlist and remove all users on this server.
2282         // because we're dealing with a mesh, we dont have to deal with anything
2283         // "down-route" from this server (nice huh)
2284         go_again = true;
2285         char reason[MAXBUF];
2286         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2287         while (go_again)
2288         {
2289                 go_again = false;
2290                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2291                 {
2292                         if (!strcasecmp(u->second->server,params))
2293                         {
2294                                 kill_link(u->second,reason);
2295                                 go_again = true;
2296                                 break;
2297                         }
2298                 }
2299         }
2300 }
2301
2302 long authcookie;
2303
2304 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2305 {
2306         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2307         log(DEBUG,"Adding G-line");
2308         char* mask = strtok(params," ");
2309         char* who = strtok(NULL," ");
2310         char* create_time = strtok(NULL," ");
2311         char* duration = strtok(NULL," :");
2312         char* reason = strtok(NULL,"\r\n");
2313         add_gline(atoi(duration),who,reason,mask);
2314         // we must update the creation time on this gline
2315         // now that we've added it, or it wont expire at the right time.
2316         gline_set_creation_time(mask,atoi(create_time));
2317         if (!atoi(duration))
2318         {
2319                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2320         }
2321         else
2322         {
2323                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2324         }
2325         apply_lines();
2326 }
2327
2328 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2329 {
2330         log(DEBUG,"Removing G-line");
2331         char* mask = strtok(params," ");
2332         char* who = strtok(NULL," ");
2333         if (mask)
2334         {
2335                 if (del_gline(mask))
2336                 {
2337                         if (who)
2338                         {
2339                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2340                         }
2341                 }
2342         }
2343 }
2344
2345 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2346 {
2347         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2348         log(DEBUG,"Adding Q-line");
2349         char* mask = strtok(params," ");
2350         char* who = strtok(NULL," ");
2351         char* create_time = strtok(NULL," ");
2352         char* duration = strtok(NULL," :");
2353         char* reason = strtok(NULL,"\r\n");
2354         add_qline(atoi(duration),who,reason,mask);
2355         // we must update the creation time on this gline
2356         // now that we've added it, or it wont expire at the right time.
2357         qline_set_creation_time(mask,atoi(create_time));
2358         qline_make_global(mask);
2359         if (!atoi(duration))
2360         {
2361                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2362         }
2363         else
2364         {
2365                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2366         }
2367         apply_lines();
2368 }
2369
2370 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2371 {
2372         log(DEBUG,"Removing Q-line");
2373         char* mask = strtok(params," ");
2374         char* who = strtok(NULL," ");
2375         if (mask)
2376         {
2377                 if (del_qline(mask))
2378                 {
2379                         if (who)
2380                         {
2381                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2382                         }
2383                 }
2384         }
2385 }
2386
2387 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2388 {
2389         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2390         log(DEBUG,"Adding Z-line");
2391         char* mask = strtok(params," ");
2392         char* who = strtok(NULL," ");
2393         char* create_time = strtok(NULL," ");
2394         char* duration = strtok(NULL," :");
2395         char* reason = strtok(NULL,"\r\n");
2396         add_zline(atoi(duration),who,reason,mask);
2397         // we must update the creation time on this gline
2398         // now that we've added it, or it wont expire at the right time.
2399         zline_set_creation_time(mask,atoi(create_time));
2400         zline_make_global(mask);
2401         if (!atoi(duration))
2402         {
2403                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2404         }
2405         else
2406         {
2407                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2408         }
2409         apply_lines();
2410 }
2411
2412 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2413 {
2414         log(DEBUG,"Removing Z-line");
2415         char* mask = strtok(params," ");
2416         char* who = strtok(NULL," ");
2417         if (mask)
2418         {
2419                 if (del_zline(mask))
2420                 {
2421                         if (who)
2422                         {
2423                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2424                         }
2425                 }
2426         }
2427 }
2428
2429 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2430 {
2431         char* nick = strtok(params," ");
2432         char* type = strtok(params," ");
2433         userrec* u = Find(nick);
2434         if (u)
2435         {
2436                 strlcpy(u->oper,type,NICKMAX);
2437         }
2438 }
2439
2440
2441 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2442 {
2443         char buffer[MAXBUF];
2444
2445         switch(token)
2446         {
2447                 // Y <TS>
2448                 // start netburst
2449                 case 'Y':
2450                         nb_start = TIME;
2451                         WriteOpers("Server %s is starting netburst.",tcp_host);
2452                         // now broadcast this new servers address out to all servers that are linked to us,
2453                         // except the newcomer. They'll all attempt to connect back to it.
2454                         authcookie = rand()*rand();
2455                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2456                         NetSendToAll(buffer);
2457                 break;
2458                 // ~
2459                 // Store authcookie
2460                 // once stored, this authcookie permits other servers to log in
2461                 // without user or password, using it.
2462                 case '~':
2463                         auth_cookies.push_back(atoi(params));
2464                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2465                 break;
2466                 // connect back to a server using an authcookie
2467                 case '+':
2468                         handle_plus(token,params,source,reply,tcp_host);
2469                 break;
2470                 // routing table
2471                 case '$':
2472                         handle_dollar(token,params,source,reply,tcp_host);
2473                 break;
2474                 // node unreachable - we cant route to a server, sooooo we slit it off.
2475                 // servers can generate these for themselves for an squit.
2476                 case '&':
2477                         handle_amp(token,params,source,reply,tcp_host);
2478                 break;
2479                 // R <server> <data>
2480                 // redirect token, send all of <data> along to the given
2481                 // server as this server has been found to still have a route to it
2482                 case 'R':
2483                         handle_R(token,params,source,reply,tcp_host);
2484                 break;
2485                 // ?
2486                 // ping
2487                 case '?':
2488                         reply->SendPacket("!",tcp_host);
2489                 break;
2490                 // ?
2491                 // pong
2492                 case '!':
2493                 break;
2494                 // *
2495                 // no operation
2496                 case '*':
2497                 break;
2498                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2499                 // introduce remote client
2500                 case 'N':
2501                         handle_N(token,params,source,reply,tcp_host);
2502                 break;
2503                 // a <NICK> :<GECOS>
2504                 // change GECOS (SETNAME)
2505                 case 'a':
2506                         handle_a(token,params,source,reply,tcp_host);
2507                 break;
2508                 // b <NICK> :<HOST>
2509                 // change displayed host (SETHOST)
2510                 case 'b':
2511                         handle_b(token,params,source,reply,tcp_host);
2512                 break;
2513                 // t <NICK> <CHANNEL> :<TOPIC>
2514                 // change a channel topic
2515                 case 't':
2516                         handle_t(token,params,source,reply,tcp_host);
2517                 break;
2518                 // i <NICK> <CHANNEL>
2519                 // invite a user to a channel
2520                 case 'i':
2521                         handle_i(token,params,source,reply,tcp_host);
2522                 break;
2523                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2524                 // kick a user from a channel
2525                 case 'k':
2526                         handle_k(token,params,source,reply,tcp_host);
2527                 break;
2528                 // n <NICK> <NEWNICK>
2529                 // change nickname of client -- a server should only be able to
2530                 // change the nicknames of clients that reside on it unless
2531                 // they are ulined.
2532                 case 'n':
2533                         handle_n(token,params,source,reply,tcp_host);
2534                 break;
2535                 // J <NICK> <CHANLIST>
2536                 // Join user to channel list, merge channel permissions
2537                 case 'J':
2538                         handle_J(token,params,source,reply,tcp_host);
2539                 break;
2540                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2541                 // change channel topic (netburst only)
2542                 case 'T':
2543                         handle_T(token,params,source,reply,tcp_host);
2544                 break;
2545                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2546                 // Server setting modes on an object
2547                 case 'M':
2548                         handle_M(token,params,source,reply,tcp_host);
2549                 break;
2550                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2551                 // User setting modes on an object
2552                 case 'm':
2553                         handle_m(token,params,source,reply,tcp_host);
2554                 break;
2555                 // P <SOURCE> <TARGET> :<TEXT>
2556                 // Send a private/channel message
2557                 case 'P':
2558                         handle_P(token,params,source,reply,tcp_host);
2559                 break;
2560                 // V <SOURCE> <TARGET> :<TEXT>
2561                 // Send a private/channel notice
2562                 case 'V':
2563                         handle_V(token,params,source,reply,tcp_host);
2564                 break;
2565                 // L <SOURCE> <CHANNEL> :<REASON>
2566                 // User parting a channel
2567                 case 'L':
2568                         handle_L(token,params,source,reply,tcp_host);
2569                 break;
2570                 // Q <SOURCE> :<REASON>
2571                 // user quitting
2572                 case 'Q':
2573                         handle_Q(token,params,source,reply,tcp_host);
2574                 break;
2575                 // H <SERVER>
2576                 // introduce non-meshable server (such as a services server)
2577                 case 'H':
2578                         handle_H(token,params,source,reply,tcp_host);
2579                 break;
2580                 // K <SOURCE> <DEST> :<REASON>
2581                 // remote kill
2582                 case 'K':
2583                         handle_K(token,params,source,reply,tcp_host);
2584                 break;
2585                 // @ <SOURCE> :<TEXT>
2586                 // wallops
2587                 case '@':
2588                         handle_AT(token,params,source,reply,tcp_host);
2589                 break;
2590                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2591                 // add gline
2592                 case '#':
2593                         handle_hash(token,params,source,reply,tcp_host);
2594                 break;
2595                 // . <mask> <who>
2596                 // remove gline
2597                 case '.':
2598                         handle_dot(token,params,source,reply,tcp_host);
2599                 break;
2600                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2601                 // add gline
2602                 case '{':
2603                         handle_add_sqline(token,params,source,reply,tcp_host);
2604                 break;
2605                 // . <mask> <who>
2606                 // remove gline
2607                 case '[':
2608                         handle_del_sqline(token,params,source,reply,tcp_host);
2609                 break;
2610                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2611                 // add gline
2612                 case '}':
2613                         handle_add_szline(token,params,source,reply,tcp_host);
2614                 break;
2615                 // . <mask> <who>
2616                 // remove gline
2617                 case ']':
2618                         handle_del_szline(token,params,source,reply,tcp_host);
2619                 break;
2620                 // | <nick> <opertype>
2621                 // set opertype
2622                 case '|':
2623                         handle_pipe(token,params,source,reply,tcp_host);
2624                 break;
2625                 // F <TS>
2626                 // end netburst
2627                 case 'F':
2628                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2629                         handle_F(token,params,source,reply,tcp_host);
2630                         nb_start = 0;
2631                         // tell all the other servers to use this authcookie to connect back again
2632                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2633                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2634                         NetSendToAllExcept(tcp_host,buffer);
2635                 break;
2636                 case '/':
2637                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2638                         strlcpy(source->nickserv,params,NICKMAX);
2639                 break;
2640                 // F <TS>
2641                 // end netburst with no mesh creation
2642                 case 'f':
2643                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2644                         handle_F(token,params,source,reply,tcp_host);
2645                         nb_start = 0;
2646                         // tell everyone else about the new server name so they just add it in the disconnected
2647                         // state
2648                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2649                         NetSendToAllExcept(tcp_host,buffer);
2650                 break;
2651                 // X <reserved>
2652                 // Send netburst now
2653                 case 'X':
2654                         WriteOpers("Sending my netburst to %s",tcp_host);
2655                         DoSync(source,tcp_host);
2656                         WriteOpers("Send of netburst to %s completed",tcp_host);
2657                         NetSendMyRoutingTable();
2658                 break;
2659                 // anything else
2660                 default:
2661                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2662                 break;
2663         }
2664 }
2665
2666
2667 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2668 {
2669         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2670         {
2671                 // a user on a server port, just close their connection.
2672                 RemoveServer(tcp_host);
2673                 return;
2674         }
2675
2676         char response[10240];
2677         char token = udp_msg[0];
2678         char* old = udp_msg;
2679
2680         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2681         {
2682                 char* src = udp_msg+1;
2683                 while (udp_msg[0] != ' ')
2684                         udp_msg++;
2685                 udp_msg[0] = 0;
2686                 udp_msg++;
2687                 char* comd = udp_msg;
2688                 while (udp_msg[0] != ' ')
2689                         udp_msg++;
2690                 udp_msg[0] = 0;
2691                 udp_msg++;
2692                 char data[MAXBUF];
2693                 char source[MAXBUF];
2694                 char command[MAXBUF];
2695                 strlcpy(data,udp_msg,512);
2696                 strlcpy(source,src,MAXBUF);
2697                 strlcpy(command,comd,MAXBUF);
2698                 udp_msg = old;
2699
2700                 // unused numeric:
2701                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2702                 if (!strcmp(command,"433"))
2703                 {
2704                         token = '*';
2705                 }
2706                 if (!strcmp(command,"432"))
2707                 {
2708                         token = '*';
2709                 }
2710                 if (!strcmp(command,"NOTICE"))
2711                 {
2712                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2713                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2714                         token = udp_msg[0];
2715                 }
2716                 if (!strcmp(command,"QUIT"))
2717                 {
2718                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2719                         {
2720                                 strcpy(data,":No reason");
2721                         }
2722                         if (!strcmp(data,":"))
2723                         {
2724                                 strcpy(data,":No reason");
2725                         }
2726                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2727                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2728                         token = udp_msg[0];
2729                 }
2730                 if (!strcmp(command,"SQUIT"))
2731                 {
2732                         snprintf(udp_msg,MAXBUF,"& %s",source);
2733                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2734                         token = udp_msg[0];
2735                 }
2736                 if (!strcmp(command,"SVSMODE"))
2737                 {
2738                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2739                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2740                         token = udp_msg[0];
2741                 }
2742                 if (!strcmp(command,"SVS2MODE"))
2743                 {
2744                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2745                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2746                         token = udp_msg[0];
2747                 }
2748                 // todo: this wont work without u:lines
2749                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2750                 if (!strcmp(command,"MODE"))
2751                 {
2752                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2753                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2754                         token = udp_msg[0];
2755                 }
2756                 if (!strcmp(command,"KICK"))
2757                 {
2758                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2759                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2760                         token = udp_msg[0];
2761                 }
2762                 if (!strcmp(command,"KILL"))
2763                 {
2764                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2765                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2766                         token = udp_msg[0];
2767                 }
2768                 if (!strcmp(command,"SVSJOIN"))
2769                 {
2770                         snprintf(udp_msg,MAXBUF,"J %s",data);
2771                         NetSendToOne(tcp_host,udp_msg);
2772                         char* nick = strtok(data," ");
2773                         char* chan = strtok(NULL," ");
2774                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2775                         userrec* u = Find(nick);
2776                         if (u)
2777                         {
2778                                 add_channel(u,chan,"",true);
2779                         }
2780                         token = udp_msg[0];
2781                 }
2782
2783         }
2784
2785
2786         char* params = udp_msg + 2;
2787         char finalparam[1024];
2788         strcpy(finalparam," :xxxx");
2789         if (strstr(udp_msg," :")) {
2790                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2791         }
2792
2793
2794         if (token == '-') {
2795                 char* cookie = strtok(params," ");
2796                 char* servername = strtok(NULL," ");
2797                 char* serverdesc = finalparam+2;
2798
2799                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2800
2801                 for (int u = 0; u < auth_cookies.size(); u++)
2802                 {
2803                         if (auth_cookies[u] == atoi(cookie))
2804                         {
2805                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2806
2807
2808                                 for (int j = 0; j < 32; j++)
2809                                 {
2810                                         if (me[j] != NULL)
2811                                         {
2812                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2813                                                 {
2814                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2815                                                         {
2816                                                                 me[j]->connectors[k].SetServerName(servername);
2817                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2818                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2819                                                                 NetSendMyRoutingTable();
2820                                                                 return;
2821                                                         }
2822                                                 }
2823                                         }
2824                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2825                                         return;
2826                                 }
2827
2828
2829                                 return;
2830                         }
2831                 }
2832                 // bad cookie, bad bad! go sit in the corner!
2833                 WriteOpers("Bad cookie from %s!",servername);
2834                 return;
2835         }
2836         else
2837         if (token == 'S') {
2838                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2839                 char* servername = strtok(params," ");
2840                 char* password = strtok(NULL," ");
2841                 char* myport = strtok(NULL," ");
2842                 char* revision = strtok(NULL," ");
2843                 char* serverdesc = finalparam+2;
2844
2845                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2846
2847                 ircd_connector* cn = serv->FindHost(servername);
2848
2849                 if (cn)
2850                 {
2851                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2852                         char buffer[MAXBUF];
2853                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2854                         serv->SendPacket(buffer,tcp_host);
2855                         RemoveServer(tcp_host);
2856                         return;
2857                 }
2858
2859                 if (atoi(revision) != GetRevision())
2860                 {
2861                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2862                         char buffer[MAXBUF];
2863                         sprintf(buffer,"E :Version number mismatch");
2864                         serv->SendPacket(buffer,tcp_host);
2865                         RemoveServer(tcp_host);
2866                         RemoveServer(servername);
2867                         return;
2868                 }
2869
2870                 for (int j = 0; j < serv->connectors.size(); j++)
2871                 {
2872                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2873                         {
2874                                 serv->connectors[j].SetServerName(servername);
2875                                 serv->connectors[j].SetDescription(serverdesc);
2876                                 serv->connectors[j].SetServerPort(atoi(myport));
2877                         }
2878                 }
2879
2880
2881                 char Link_ServerName[1024];
2882                 char Link_IPAddr[1024];
2883                 char Link_Port[1024];
2884                 char Link_Pass[1024];
2885                 char Link_SendPass[1024];
2886                 int LinkPort = 0;
2887
2888                 // search for a corresponding <link> block in the config files
2889                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2890                 {
2891                         ConfValue("link","name",i,Link_ServerName,&config_f);
2892                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2893                         ConfValue("link","port",i,Link_Port,&config_f);
2894                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2895                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2896                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2897                         LinkPort = atoi(Link_Port);
2898                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2899                         {
2900                                 // we have a matching link line -
2901                                 // send a 'diminutive' server message back...
2902                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
2903                                 serv->SendPacket(response,servername);
2904
2905                                 for (int t = 0; t < serv->connectors.size(); t++)
2906                                 {
2907                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
2908                                         {
2909                                                 serv->connectors[t].SetState(STATE_CONNECTED);
2910                                         }
2911                                 }
2912
2913                                 return;
2914                         }
2915                 }
2916                 char buffer[MAXBUF];
2917                 sprintf(buffer,"E :Access is denied (no matching link block)");
2918                 serv->SendPacket(buffer,tcp_host);
2919                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2920                 RemoveServer(tcp_host);
2921                 RemoveServer(servername);
2922                 return;
2923         }
2924         else
2925         if (token == 's') {
2926                 // S test.chatspike.net password :ChatSpike InspIRCd test server
2927                 char* servername = strtok(params," ");
2928                 char* password = strtok(NULL," ");
2929                 char* serverdesc = finalparam+2;
2930
2931                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
2932                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
2933                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
2934                 // a connect, so put out an oper alert!
2935
2936                 // for now, just accept all, we'll fix that later.
2937                 WriteOpers("%s accepted our link credentials ",servername);
2938
2939                 char Link_ServerName[1024];
2940                 char Link_IPAddr[1024];
2941                 char Link_Port[1024];
2942                 char Link_Pass[1024];
2943                 char Link_SendPass[1024];
2944                 int LinkPort = 0;
2945
2946                 // search for a corresponding <link> block in the config files
2947                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2948                 {
2949                         ConfValue("link","name",i,Link_ServerName,&config_f);
2950                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2951                         ConfValue("link","port",i,Link_Port,&config_f);
2952                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2953                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2954                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2955                         LinkPort = atoi(Link_Port);
2956                         if (!strcasecmp(Link_ServerName,servername))
2957                         {
2958                                 // matching link at this end too, we're all done!
2959                                 // at this point we must begin key exchange and insert this
2960                                 // server into our 'active' table.
2961                                 for (int j = 0; j < 32; j++)
2962                                 {
2963                                         if (me[j] != NULL)
2964                                         {
2965                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2966                                                 {
2967                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2968                                                         {
2969                                                                 char buffer[MAXBUF];
2970                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2971                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2972                                                                 sprintf(buffer,"X 0");
2973                                                                 serv->SendPacket(buffer,tcp_host);
2974                                                                 DoSync(me[j],tcp_host);
2975                                                                 NetSendMyRoutingTable();
2976                                                                 return;
2977                                                         }
2978                                                 }
2979                                         }
2980                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
2981                                         return;
2982                                 }
2983                         }
2984                         else {
2985                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
2986                         }
2987                 }
2988                 char buffer[MAXBUF];
2989                 sprintf(buffer,"E :Access is denied (no matching link block)");
2990                 serv->SendPacket(buffer,tcp_host);
2991                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2992                 RemoveServer(tcp_host);
2993                 RemoveServer(servername);
2994                 return;
2995         }
2996         else
2997         if (token == 'U') {
2998                 // U services.chatspike.net password :ChatSpike Services
2999                 //
3000                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3001                 char* servername = strtok(params," ");
3002                 char* password = strtok(NULL," ");
3003                 char* serverdesc = finalparam+2;
3004
3005                 char Link_ServerName[1024];
3006                 char Link_IPAddr[1024];
3007                 char Link_Port[1024];
3008                 char Link_Pass[1024];
3009                 char Link_SendPass[1024];
3010                 int LinkPort = 0;
3011
3012                 // search for a corresponding <link> block in the config files
3013                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3014                 {
3015                         ConfValue("link","name",i,Link_ServerName,&config_f);
3016                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3017                         ConfValue("link","port",i,Link_Port,&config_f);
3018                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3019                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3020                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3021                         LinkPort = atoi(Link_Port);
3022                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3023                         {
3024                                 // matching link at this end too, we're all done!
3025                                 // at this point we must begin key exchange and insert this
3026                                 // server into our 'active' table.
3027                                 for (int j = 0; j < 32; j++)
3028                                 {
3029                                         if (me[j] != NULL)
3030                                         {
3031                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3032                                                 {
3033                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3034                                                         {
3035                                                                 char buffer[MAXBUF];
3036                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3037                                                                 me[j]->connectors[k].SetServerName(servername);
3038                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3039                                                                 sprintf(buffer,"X 0");
3040                                                                 serv->SendPacket(buffer,servername);
3041                                                                 DoSync(me[j],servername);
3042                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3043                                                                 NetSendToAllExcept(servername,buffer);
3044                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3045                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3046                                                                 NetSendMyRoutingTable();
3047                                                                 return;
3048                                                         }
3049                                                 }
3050                                         }
3051                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3052                                         return;
3053                                 }
3054                         }
3055                         else {
3056                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3057                         }
3058                 }
3059                 char buffer[MAXBUF];
3060                 sprintf(buffer,"E :Access is denied (no matching link block)");
3061                 serv->SendPacket(buffer,tcp_host);
3062                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3063                 RemoveServer(tcp_host);
3064                 RemoveServer(servername);
3065                 return;
3066         }
3067         else
3068         if (token == 'E') {
3069                 char* error_message = finalparam+2;
3070                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3071                 return;
3072         }
3073         else {
3074
3075                 serverrec* source_server = NULL;
3076
3077                 for (int j = 0; j < 32; j++)
3078                 {
3079                         if (me[j] != NULL)
3080                         {
3081                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3082                                 {
3083                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3084                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3085                                         {
3086                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3087                                                 {
3088                                                         // found a valid ircd_connector.
3089                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3090                                                         return;
3091                                                 }
3092                                         }
3093                                 }
3094                         }
3095                 }
3096
3097                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3098         }
3099 }
3100
3101 long duration(char* str)
3102 {
3103         char n_field[MAXBUF];
3104         long total = 0;
3105         char* str_end = str + strlen(str);
3106         n_field[0] = 0;
3107
3108         for (char* i = str; i < str_end; i++)
3109         {
3110                 // if we have digits, build up a string for the value in n_field,
3111                 // up to 10 digits in size.
3112                 if ((*i >= '0') && (*i <= '9'))
3113                 {
3114                         strlcat(n_field,i,10);
3115                 }
3116                 else
3117                 {
3118                         // we dont have a digit, check for numeric tokens
3119                         switch (tolower(*i))
3120                         {
3121                                 case 's':
3122                                         total += atoi(n_field);
3123                                 break;
3124
3125                                 case 'm':
3126                                         total += (atoi(n_field)*duration_m);
3127                                 break;
3128
3129                                 case 'h':
3130                                         total += (atoi(n_field)*duration_h);
3131                                 break;
3132
3133                                 case 'd':
3134                                         total += (atoi(n_field)*duration_d);
3135                                 break;
3136
3137                                 case 'w':
3138                                         total += (atoi(n_field)*duration_w);
3139                                 break;
3140
3141                                 case 'y':
3142                                         total += (atoi(n_field)*duration_y);
3143                                 break;
3144                         }
3145                         n_field[0] = 0;
3146                 }
3147         }
3148         // add trailing seconds
3149         total += atoi(n_field);
3150
3151         return total;
3152 }
3153
3154
3155 void handle_kline(char **parameters, int pcnt, userrec *user)
3156 {
3157         if (pcnt >= 3)
3158         {
3159                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3160                 if (!duration(parameters[1]))
3161                 {
3162                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3163                 }
3164                 else
3165                 {
3166                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3167                 }
3168         }
3169         else
3170         {
3171                 if (del_kline(parameters[0]))
3172                 {
3173                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3174                 }
3175                 else
3176                 {
3177                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3178                 }
3179         }
3180         apply_lines();
3181 }
3182
3183 void handle_eline(char **parameters, int pcnt, userrec *user)
3184 {
3185         if (pcnt >= 3)
3186         {
3187                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3188                 if (!duration(parameters[1]))
3189                 {
3190                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3191                 }
3192                 else
3193                 {
3194                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3195                 }
3196         }
3197         else
3198         {
3199                 if (del_eline(parameters[0]))
3200                 {
3201                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3202                 }
3203                 else
3204                 {
3205                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3206                 }
3207         }
3208         // no need to apply the lines for an eline
3209 }
3210
3211 void handle_gline(char **parameters, int pcnt, userrec *user)
3212 {
3213         char netdata[MAXBUF];
3214         if (pcnt >= 3)
3215         {
3216                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3217                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3218                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3219                 NetSendToAll(netdata);
3220                 if (!duration(parameters[1]))
3221                 {
3222                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3223                 }
3224                 else
3225                 {
3226                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3227                 }
3228         }
3229         else
3230         {
3231                 if (del_gline(parameters[0]))
3232                 {
3233                         // . <mask> <who-removed-it>
3234                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3235                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3236                 }
3237                 else
3238                 {
3239                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3240                 }
3241         }
3242         apply_lines();
3243 }
3244
3245 void handle_zline(char **parameters, int pcnt, userrec *user)
3246 {
3247         if (pcnt >= 3)
3248         {
3249                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3250                 if (!duration(parameters[1]))
3251                 {
3252                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3253                 }
3254                 else
3255                 {
3256                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3257                 }
3258         }
3259         else
3260         {
3261                 if (del_zline(parameters[0]))
3262                 {
3263                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3264                 }
3265                 else
3266                 {
3267                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3268                 }
3269         }
3270         apply_lines();
3271 }
3272
3273 void handle_qline(char **parameters, int pcnt, userrec *user)
3274 {
3275         if (pcnt >= 3)
3276         {
3277                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3278                 if (!duration(parameters[1]))
3279                 {
3280                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3281                 }
3282                 else
3283                 {
3284                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3285                 }
3286         }
3287         else
3288         {
3289                 if (del_qline(parameters[0]))
3290                 {
3291                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3292                 }
3293                 else
3294                 {
3295                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3296                 }
3297         }
3298         apply_lines();
3299 }
3300
3301