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                 }
1568         }
1569         else
1570         {
1571                 if (!fail2)
1572                 {
1573                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1574                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1575                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1576                 }
1577                 else
1578                 {
1579                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1580                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1581                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1582                 }
1583         }
1584         return;
1585 }
1586
1587 void handle_nick(char **parameters, int pcnt, userrec *user)
1588 {
1589         if (pcnt < 1)
1590         {
1591                 log(DEBUG,"not enough params for handle_nick");
1592                 return;
1593         }
1594         if (!parameters[0])
1595         {
1596                 log(DEBUG,"invalid parameter passed to handle_nick");
1597                 return;
1598         }
1599         if (!strlen(parameters[0]))
1600         {
1601                 log(DEBUG,"zero length new nick passed to handle_nick");
1602                 return;
1603         }
1604         if (!user)
1605         {
1606                 log(DEBUG,"invalid user passed to handle_nick");
1607                 return;
1608         }
1609         if (!user->nick)
1610         {
1611                 log(DEBUG,"invalid old nick passed to handle_nick");
1612                 return;
1613         }
1614         if (!strcasecmp(user->nick,parameters[0]))
1615         {
1616                 log(DEBUG,"old nick is new nick, skipping");
1617                 return;
1618         }
1619         else
1620         {
1621                 if (strlen(parameters[0]) > 1)
1622                 {
1623                         if (parameters[0][0] == ':')
1624                         {
1625                                 *parameters[0]++;
1626                         }
1627                 }
1628                 if (matches_qline(parameters[0]))
1629                 {
1630                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1631                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1632                         return;
1633                 }
1634                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1635                 {
1636                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1637                         return;
1638                 }
1639         }
1640         if (isnick(parameters[0]) == 0)
1641         {
1642                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1643                 return;
1644         }
1645
1646         if (user->registered == 7)
1647         {
1648                 int MOD_RESULT = 0;
1649                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1650                 if (MOD_RESULT) {
1651                         // if a module returns true, the nick change is silently forbidden.
1652                         return;
1653                 }
1654
1655                 WriteCommon(user,"NICK %s",parameters[0]);
1656
1657                 // Q token must go to ALL servers!!!
1658                 char buffer[MAXBUF];
1659                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1660                 NetSendToAll(buffer);
1661         }
1662
1663         char oldnick[NICKMAX];
1664         strlcpy(oldnick,user->nick,NICKMAX);
1665
1666         /* change the nick of the user in the users_hash */
1667         user = ReHashNick(user->nick, parameters[0]);
1668         /* actually change the nick within the record */
1669         if (!user) return;
1670         if (!user->nick) return;
1671
1672         strlcpy(user->nick, parameters[0],NICKMAX);
1673
1674         log(DEBUG,"new nick set: %s",user->nick);
1675
1676         if (user->registered < 3)
1677         {
1678                 user->registered = (user->registered | 2);
1679                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1680                 // and unless we're lucky we'll get a duff one later on.
1681                 user->dns_done = (!lookup_dns(user->nick));
1682                 if (user->dns_done)
1683                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1684         }
1685         if (user->registered == 3)
1686         {
1687                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1688                 ConnectUser(user);
1689         }
1690         if (user->registered == 7)
1691         {
1692                 FOREACH_MOD OnUserPostNick(user,oldnick);
1693         }
1694 }
1695
1696
1697
1698 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1699 {
1700         char* src = strtok(params," ");
1701         char* dest = strtok(NULL," :");
1702         char* text = strtok(NULL,"\r\n");
1703         text++;
1704
1705         userrec* user = Find(src);
1706         if (user)
1707         {
1708                 userrec* dst = Find(dest);
1709
1710                 if (dst)
1711                 {
1712                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1713                 }
1714                 else
1715                 {
1716                         chanrec* d = FindChan(dest);
1717                         if (d)
1718                         {
1719                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1720                         }
1721                 }
1722         }
1723
1724 }
1725
1726
1727 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1728 {
1729         char* src = strtok(params," ");
1730         char* dest = strtok(NULL," :");
1731         char* text = strtok(NULL,"\r\n");
1732         text++;
1733
1734         userrec* user = Find(src);
1735         if (user)
1736         {
1737                 userrec* dst = Find(dest);
1738
1739                 if (dst)
1740                 {
1741                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1742                 }
1743                 else
1744                 {
1745                         chanrec* d = FindChan(dest);
1746                         if (d)
1747                         {
1748                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1749                         }
1750                 }
1751         }
1752
1753 }
1754
1755 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1756 {
1757         char* nick = strtok(params," ");
1758         char* from = strtok(NULL," ");
1759         char* channel = strtok(NULL," ");
1760         userrec* u = Find(nick);
1761         userrec* user = Find(from);
1762         chanrec* c = FindChan(channel);
1763         if ((c) && (u) && (user))
1764         {
1765                 u->InviteTo(c->name);
1766                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1767         }
1768 }
1769
1770 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1771 {
1772         char* setby = strtok(params," ");
1773         char* channel = strtok(NULL," :");
1774         char* topic = strtok(NULL,"\r\n");
1775         topic++;
1776         userrec* u = Find(setby);
1777         chanrec* c = FindChan(channel);
1778         if ((c) && (u))
1779         {
1780                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1781                 strlcpy(c->topic,topic,MAXTOPIC);
1782                 strlcpy(c->setby,u->nick,NICKMAX);
1783                 c->topicset = TIME;
1784         }
1785 }
1786
1787
1788 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1789 {
1790         char* tm = strtok(params," ");
1791         char* setby = strtok(NULL," ");
1792         char* channel = strtok(NULL," :");
1793         char* topic = strtok(NULL,"\r\n");
1794         topic++;
1795         time_t TS = atoi(tm);
1796         chanrec* c = FindChan(channel);
1797         if (c)
1798         {
1799                 // in the case of topics and TS, the *NEWER*
1800                 if (TS <= c->topicset)
1801                 {
1802                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1803                         strlcpy(c->topic,topic,MAXTOPIC);
1804                         strlcpy(c->setby,setby,NICKMAX);
1805                 }
1806         }
1807 }
1808
1809 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1810 {
1811         char* pars[128];
1812         char original[MAXBUF],target[MAXBUF];
1813         strlcpy(original,params,MAXBUF);
1814         int index = 0;
1815         char* parameter = strtok(params," ");
1816         strlcpy(target,parameter,MAXBUF);
1817         while (parameter)
1818         {
1819                 if (parameter[0] == ':')
1820                         parameter++;
1821                 pars[index++] = parameter;
1822                 parameter = strtok(NULL," ");
1823         }
1824         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1825         merge_mode(pars,index);
1826         if (FindChan(target))
1827         {
1828                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1829         }
1830         if (Find(target))
1831         {
1832                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1833         }
1834 }
1835
1836 // m is modes set by users only (not servers) valid targets are channels or users.
1837
1838 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1839 {
1840         // m blah #chatspike +b *!test@*4
1841         char* pars[128];
1842         char original[MAXBUF];
1843         strlcpy(original,params,MAXBUF);
1844
1845         if (!strchr(params,' '))
1846         {
1847                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1848                 return;
1849         }
1850
1851         int index = 0;
1852
1853         char* src = strtok(params," ");
1854         userrec* user = Find(src);
1855
1856         if (user)
1857         {
1858                 log(DEBUG,"Found user: %s",user->nick);
1859                 char* parameter = strtok(NULL," ");
1860                 while (parameter)
1861                 {
1862                         pars[index++] = parameter;
1863                         parameter = strtok(NULL," ");
1864                 }
1865
1866                 log(DEBUG,"Calling merge_mode2");
1867                 merge_mode2(pars,index,user);
1868         }
1869 }
1870
1871
1872 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1873 {
1874         char* nick = strtok(params," ");
1875         char* channel = strtok(NULL," :");
1876         char* reason = strtok(NULL,"\r\n");
1877         userrec* user = Find(nick);
1878         reason++;
1879         if (user)
1880         {
1881                 if (strcmp(reason,""))
1882                 {
1883                         del_channel(user,channel,reason,true);
1884                 }
1885                 else
1886                 {
1887                         del_channel(user,channel,NULL,true);
1888                 }
1889         }
1890 }
1891
1892 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1893 {
1894         char* src = strtok(params," ");
1895         char* nick = strtok(NULL," :");
1896         char* reason = strtok(NULL,"\r\n");
1897         char kreason[MAXBUF];
1898         reason++;
1899
1900         userrec* u = Find(nick);
1901         userrec* user = Find(src);
1902
1903         if ((user) && (u))
1904         {
1905                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
1906                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
1907                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
1908                 kill_link(u,kreason);
1909         }
1910 }
1911
1912 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1913 {
1914         char* nick = strtok(params," :");
1915         char* reason = strtok(NULL,"\r\n");
1916         reason++;
1917
1918         userrec* user = Find(nick);
1919
1920         if (user)
1921         {
1922                 if (strlen(reason)>MAXQUIT)
1923                 {
1924                         reason[MAXQUIT-1] = '\0';
1925                 }
1926
1927
1928                 WriteCommonExcept(user,"QUIT :%s",reason);
1929
1930                 user_hash::iterator iter = clientlist.find(user->nick);
1931
1932                 if (iter != clientlist.end())
1933                 {
1934                         log(DEBUG,"deleting user hash value %d",iter->second);
1935                         if ((iter->second) && (user->registered == 7)) {
1936                                 delete iter->second;
1937                         }
1938                         clientlist.erase(iter);
1939                 }
1940
1941                 purge_empty_chans();
1942         }
1943 }
1944
1945 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1946 {
1947         char* oldnick = strtok(params," ");
1948         char* newnick = strtok(NULL," ");
1949
1950         userrec* user = Find(oldnick);
1951
1952         if (user)
1953         {
1954                 WriteCommon(user,"NICK %s",newnick);
1955                 if (is_uline(tcp_host))
1956                 {
1957                         int MOD_RESULT = 0;
1958                         FOREACH_RESULT(OnUserPreNick(user,newnick));
1959                         if (MOD_RESULT) {
1960                                 // if a module returns true, the nick change couldnt be allowed
1961                                 kill_link(user,"Nickname collision");
1962                                 return;
1963                         }
1964                         if (matches_qline(newnick))
1965                         {
1966                                 kill_link(user,"Nickname collision");
1967                                 return;
1968                         }
1969
1970                         // broadcast this because its a services thingy
1971                         char buffer[MAXBUF];
1972                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
1973                         NetSendToAll(buffer);
1974                 }
1975                 user = ReHashNick(user->nick, newnick);
1976                 if (!user) return;
1977                 if (!user->nick) return;
1978                 strlcpy(user->nick, newnick,NICKMAX);
1979                 log(DEBUG,"new nick set: %s",user->nick);
1980         }
1981 }
1982
1983 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
1984 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1985 {
1986         char* src = strtok(params," ");
1987         char* dest = strtok(NULL," ");
1988         char* channel = strtok(NULL," :");
1989         char* reason = strtok(NULL,"\r\n");
1990         reason++;
1991         userrec* s = Find(src);
1992         userrec* d = Find(dest);
1993         chanrec* c = FindChan(channel);
1994         if ((s) && (d) && (c))
1995         {
1996                 kick_channel(s,d,c,reason);
1997                 return;
1998         }
1999         d = Find(channel);
2000         c = FindChan(dest);
2001         if ((s) && (d) && (c))
2002         {
2003                 kick_channel(s,d,c,reason);
2004                 return;
2005         }
2006 }
2007
2008 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2009 {
2010         char* who = strtok(params," :");
2011         char* text = strtok(NULL,"\r\n");
2012         text++;
2013         userrec* s = Find(who);
2014         if (s)
2015         {
2016                 WriteWallOps(s,true,text);
2017         }
2018 }
2019
2020 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2021 {
2022         log(DEBUG,"Adding ULined server %s to my map",params);
2023         ircd_connector s;
2024         s.SetState(STATE_DISCONNECTED);
2025         s.SetServerName(params);
2026
2027         for (int j = 0; j < 32; j++)
2028         {
2029                 if (me[j] != NULL)
2030                 {
2031                         for (int k = 0; k < me[j]->connectors.size(); k++)
2032                         {
2033                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2034                                 {
2035                                         // dont allow a server to be added twice
2036                                         log(DEBUG,"ULined server %s already in the map!",params);
2037                                         return;
2038                                 }
2039                         }
2040                 }
2041         }
2042
2043         source->connectors.push_back(s);
2044         WriteOpers("Non-Mesh server %s has joined the network",params);
2045 }
2046
2047 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2048 {
2049         char* tm = strtok(params," ");
2050         char* nick = strtok(NULL," ");
2051         char* host = strtok(NULL," ");
2052         char* dhost = strtok(NULL," ");
2053         char* ident = strtok(NULL," ");
2054         char* modes = strtok(NULL," ");
2055         char* ipaddr = strtok(NULL," ");
2056         char* server = strtok(NULL," :");
2057         char* gecos = strtok(NULL,"\r\n");
2058         gecos++;
2059         modes++;
2060         time_t TS = atoi(tm);
2061         user_hash::iterator iter = clientlist.find(nick);
2062         if (iter != clientlist.end())
2063         {
2064                 // nick collision
2065                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2066                 char str[MAXBUF];
2067                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2068                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2069                 kill_link(iter->second,str);
2070         }
2071         clientlist[nick] = new userrec();
2072         // remote users have an fd of -1. This is so that our Write abstraction
2073         // routines know to route any messages to this record away to whatever server
2074         // theyre on.
2075         clientlist[nick]->fd = -1;
2076         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2077         strlcpy(clientlist[nick]->host, host,160);
2078         strlcpy(clientlist[nick]->dhost, dhost,160);
2079         strlcpy(clientlist[nick]->server, server,256);
2080         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2081         strlcpy(clientlist[nick]->fullname, gecos,128);
2082         clientlist[nick]->signon = TS;
2083         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2084         clientlist[nick]->lastping = 1;
2085         clientlist[nick]->port = 0; // so is this...
2086         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2087         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2088         for (int i = 0; i < MAXCHANS; i++)
2089         {
2090                 clientlist[nick]->chans[i].channel = NULL;
2091                 clientlist[nick]->chans[i].uc_modes = 0;
2092         }
2093 }
2094
2095 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2096 {
2097         long tdiff = TIME - atoi(params);
2098         if (tdiff)
2099                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2100 }
2101
2102 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2103 {
2104         char* nick = strtok(params," :");
2105         char* gecos = strtok(NULL,"\r\n");
2106
2107         userrec* user = Find(nick);
2108
2109         if (user)
2110                 strlcpy(user->fullname,gecos,MAXBUF);
2111 }
2112
2113 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2114 {
2115         char* nick = strtok(params," ");
2116         char* host = strtok(NULL," ");
2117
2118         userrec* user = Find(nick);
2119
2120         if (user)
2121                 strlcpy(user->dhost,host,160);
2122 }
2123
2124 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2125 {
2126         // %s %s %d %d
2127         // + test3.chatspike.net 7010 -2016508415
2128         char* servername = strtok(params," ");
2129         char* ipaddr = strtok(NULL," ");
2130         char* ipport = strtok(NULL," ");
2131         char* cookie = strtok(NULL," ");
2132         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2133
2134
2135         bool conn_already = false;
2136         for (int i = 0; i < 32; i++)
2137         {
2138                 if (me[i] != NULL)
2139                 {
2140                         for (int j = 0; j < me[i]->connectors.size(); j++)
2141                         {
2142                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2143                                 {
2144                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2145                                         {
2146                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2147                                                 conn_already = true;
2148                                         }
2149                                 }
2150                         }
2151                 }
2152         }
2153         if (!conn_already)
2154                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2155 }
2156
2157 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2158 {
2159         char* server = strtok(params," ");
2160         char* data = strtok(NULL,"\r\n");
2161         if ((!data) || (!server))
2162         {
2163                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2164                 return;
2165         }
2166
2167         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2168         NetSendToOne(server,data);
2169 }
2170
2171 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2172 {
2173         // IMPORTANT NOTE
2174         // The J token currently has no timestamp - this needs looking at
2175         // because it will allow splitriding.
2176         char* nick = strtok(params," ");
2177         char* channel = strtok(NULL," ");
2178         userrec* user = Find(nick);
2179         while (channel)
2180         {
2181                 if ((user != NULL) && (strcmp(channel,"")))
2182                 {
2183                         char privilage = '\0';
2184                         if (channel[0] != '#')
2185                         {
2186                                 privilage = channel[0];
2187                                 channel++;
2188                         }
2189                         add_channel(user,channel,"",true);
2190
2191                         // now work out the privilages they should have on each channel
2192                         // and send the appropriate servermodes.
2193                         for (int i = 0; i != MAXCHANS; i++)
2194                         {
2195                                 if (user->chans[i].channel)
2196                                 {
2197                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2198                                         {
2199                                                 if (privilage == '@')
2200                                                 {
2201                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2202                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2203                                                 }
2204                                                 if (privilage == '%')
2205                                                 {
2206                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2207                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2208                                                 }
2209                                                 if (privilage == '+')
2210                                                 {
2211                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2212                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2213                                                 }
2214                                         }
2215                                 }
2216                         }
2217
2218                 }
2219                 channel = strtok(NULL," ");
2220         }
2221 }
2222
2223 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2224 {
2225         log(DEBUG,"Storing routing table...");
2226         char* sourceserver = strtok(params," ");
2227         char* server = strtok(NULL," ");
2228         for (int i = 0; i < 32; i++)
2229         {
2230                 if (me[i] != NULL)
2231                 {
2232                         for (int j = 0; j < me[i]->connectors.size(); j++)
2233                         {
2234                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2235                                 {
2236                                         me[i]->connectors[j].routes.clear();
2237                                         log(DEBUG,"Found entry for source server.");
2238                                         while (server)
2239                                         {
2240                                                 // store each route
2241                                                 me[i]->connectors[j].routes.push_back(server);
2242                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2243                                                 server = strtok(NULL," ");
2244                                         }
2245                                         return;
2246                                 }
2247                         }
2248                 }
2249         }
2250         log(DEBUG,"Warning! routing table received from nonexistent server!");
2251 }
2252
2253 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2254 {
2255         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2256         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2257         bool go_again = true;
2258         while (go_again)
2259         {
2260                 go_again = false;
2261                 for (int i = 0; i < 32; i++)
2262                 {
2263                         if (me[i] != NULL)
2264                         {
2265                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2266                                 {
2267                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2268                                         {
2269                                                 j->routes.clear();
2270                                                 j->CloseConnection();
2271                                                 me[i]->connectors.erase(j);
2272                                                 go_again = true;
2273                                                 break;
2274                                         }
2275                                 }
2276                         }
2277                 }
2278         }
2279         log(DEBUG,"Removed server. Will remove clients...");
2280         // iterate through the userlist and remove all users on this server.
2281         // because we're dealing with a mesh, we dont have to deal with anything
2282         // "down-route" from this server (nice huh)
2283         go_again = true;
2284         char reason[MAXBUF];
2285         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2286         while (go_again)
2287         {
2288                 go_again = false;
2289                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2290                 {
2291                         if (!strcasecmp(u->second->server,params))
2292                         {
2293                                 kill_link(u->second,reason);
2294                                 go_again = true;
2295                                 break;
2296                         }
2297                 }
2298         }
2299 }
2300
2301 long authcookie;
2302
2303 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2304 {
2305         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2306         log(DEBUG,"Adding G-line");
2307         char* mask = strtok(params," ");
2308         char* who = strtok(NULL," ");
2309         char* create_time = strtok(NULL," ");
2310         char* duration = strtok(NULL," :");
2311         char* reason = strtok(NULL,"\r\n");
2312         add_gline(atoi(duration),who,reason,mask);
2313         // we must update the creation time on this gline
2314         // now that we've added it, or it wont expire at the right time.
2315         gline_set_creation_time(mask,atoi(create_time));
2316         if (!atoi(duration))
2317         {
2318                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2319         }
2320         else
2321         {
2322                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2323         }
2324         apply_lines();
2325 }
2326
2327 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2328 {
2329         log(DEBUG,"Removing G-line");
2330         char* mask = strtok(params," ");
2331         char* who = strtok(NULL," ");
2332         if (mask)
2333         {
2334                 if (del_gline(mask))
2335                 {
2336                         if (who)
2337                         {
2338                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2339                         }
2340                 }
2341         }
2342 }
2343
2344 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2345 {
2346         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2347         log(DEBUG,"Adding Q-line");
2348         char* mask = strtok(params," ");
2349         char* who = strtok(NULL," ");
2350         char* create_time = strtok(NULL," ");
2351         char* duration = strtok(NULL," :");
2352         char* reason = strtok(NULL,"\r\n");
2353         add_qline(atoi(duration),who,reason,mask);
2354         // we must update the creation time on this gline
2355         // now that we've added it, or it wont expire at the right time.
2356         qline_set_creation_time(mask,atoi(create_time));
2357         qline_make_global(mask);
2358         if (!atoi(duration))
2359         {
2360                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2361         }
2362         else
2363         {
2364                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2365         }
2366         apply_lines();
2367 }
2368
2369 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2370 {
2371         log(DEBUG,"Removing Q-line");
2372         char* mask = strtok(params," ");
2373         char* who = strtok(NULL," ");
2374         if (mask)
2375         {
2376                 if (del_qline(mask))
2377                 {
2378                         if (who)
2379                         {
2380                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2381                         }
2382                 }
2383         }
2384 }
2385
2386 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2387 {
2388         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2389         log(DEBUG,"Adding Z-line");
2390         char* mask = strtok(params," ");
2391         char* who = strtok(NULL," ");
2392         char* create_time = strtok(NULL," ");
2393         char* duration = strtok(NULL," :");
2394         char* reason = strtok(NULL,"\r\n");
2395         add_zline(atoi(duration),who,reason,mask);
2396         // we must update the creation time on this gline
2397         // now that we've added it, or it wont expire at the right time.
2398         zline_set_creation_time(mask,atoi(create_time));
2399         zline_make_global(mask);
2400         if (!atoi(duration))
2401         {
2402                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2403         }
2404         else
2405         {
2406                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2407         }
2408         apply_lines();
2409 }
2410
2411 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2412 {
2413         log(DEBUG,"Removing Z-line");
2414         char* mask = strtok(params," ");
2415         char* who = strtok(NULL," ");
2416         if (mask)
2417         {
2418                 if (del_zline(mask))
2419                 {
2420                         if (who)
2421                         {
2422                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2423                         }
2424                 }
2425         }
2426 }
2427
2428 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2429 {
2430         char* nick = strtok(params," ");
2431         char* type = strtok(params," ");
2432         userrec* u = Find(nick);
2433         if (u)
2434         {
2435                 strlcpy(u->oper,type,NICKMAX);
2436         }
2437 }
2438
2439
2440 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2441 {
2442         char buffer[MAXBUF];
2443
2444         switch(token)
2445         {
2446                 // Y <TS>
2447                 // start netburst
2448                 case 'Y':
2449                         nb_start = TIME;
2450                         WriteOpers("Server %s is starting netburst.",tcp_host);
2451                         // now broadcast this new servers address out to all servers that are linked to us,
2452                         // except the newcomer. They'll all attempt to connect back to it.
2453                         authcookie = rand()*rand();
2454                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2455                         NetSendToAll(buffer);
2456                 break;
2457                 // ~
2458                 // Store authcookie
2459                 // once stored, this authcookie permits other servers to log in
2460                 // without user or password, using it.
2461                 case '~':
2462                         auth_cookies.push_back(atoi(params));
2463                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2464                 break;
2465                 // connect back to a server using an authcookie
2466                 case '+':
2467                         handle_plus(token,params,source,reply,tcp_host);
2468                 break;
2469                 // routing table
2470                 case '$':
2471                         handle_dollar(token,params,source,reply,tcp_host);
2472                 break;
2473                 // node unreachable - we cant route to a server, sooooo we slit it off.
2474                 // servers can generate these for themselves for an squit.
2475                 case '&':
2476                         handle_amp(token,params,source,reply,tcp_host);
2477                 break;
2478                 // R <server> <data>
2479                 // redirect token, send all of <data> along to the given
2480                 // server as this server has been found to still have a route to it
2481                 case 'R':
2482                         handle_R(token,params,source,reply,tcp_host);
2483                 break;
2484                 // ?
2485                 // ping
2486                 case '?':
2487                         reply->SendPacket("!",tcp_host);
2488                 break;
2489                 // ?
2490                 // pong
2491                 case '!':
2492                 break;
2493                 // *
2494                 // no operation
2495                 case '*':
2496                 break;
2497                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2498                 // introduce remote client
2499                 case 'N':
2500                         handle_N(token,params,source,reply,tcp_host);
2501                 break;
2502                 // a <NICK> :<GECOS>
2503                 // change GECOS (SETNAME)
2504                 case 'a':
2505                         handle_a(token,params,source,reply,tcp_host);
2506                 break;
2507                 // b <NICK> :<HOST>
2508                 // change displayed host (SETHOST)
2509                 case 'b':
2510                         handle_b(token,params,source,reply,tcp_host);
2511                 break;
2512                 // t <NICK> <CHANNEL> :<TOPIC>
2513                 // change a channel topic
2514                 case 't':
2515                         handle_t(token,params,source,reply,tcp_host);
2516                 break;
2517                 // i <NICK> <CHANNEL>
2518                 // invite a user to a channel
2519                 case 'i':
2520                         handle_i(token,params,source,reply,tcp_host);
2521                 break;
2522                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2523                 // kick a user from a channel
2524                 case 'k':
2525                         handle_k(token,params,source,reply,tcp_host);
2526                 break;
2527                 // n <NICK> <NEWNICK>
2528                 // change nickname of client -- a server should only be able to
2529                 // change the nicknames of clients that reside on it unless
2530                 // they are ulined.
2531                 case 'n':
2532                         handle_n(token,params,source,reply,tcp_host);
2533                 break;
2534                 // J <NICK> <CHANLIST>
2535                 // Join user to channel list, merge channel permissions
2536                 case 'J':
2537                         handle_J(token,params,source,reply,tcp_host);
2538                 break;
2539                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2540                 // change channel topic (netburst only)
2541                 case 'T':
2542                         handle_T(token,params,source,reply,tcp_host);
2543                 break;
2544                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2545                 // Server setting modes on an object
2546                 case 'M':
2547                         handle_M(token,params,source,reply,tcp_host);
2548                 break;
2549                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2550                 // User setting modes on an object
2551                 case 'm':
2552                         handle_m(token,params,source,reply,tcp_host);
2553                 break;
2554                 // P <SOURCE> <TARGET> :<TEXT>
2555                 // Send a private/channel message
2556                 case 'P':
2557                         handle_P(token,params,source,reply,tcp_host);
2558                 break;
2559                 // V <SOURCE> <TARGET> :<TEXT>
2560                 // Send a private/channel notice
2561                 case 'V':
2562                         handle_V(token,params,source,reply,tcp_host);
2563                 break;
2564                 // L <SOURCE> <CHANNEL> :<REASON>
2565                 // User parting a channel
2566                 case 'L':
2567                         handle_L(token,params,source,reply,tcp_host);
2568                 break;
2569                 // Q <SOURCE> :<REASON>
2570                 // user quitting
2571                 case 'Q':
2572                         handle_Q(token,params,source,reply,tcp_host);
2573                 break;
2574                 // H <SERVER>
2575                 // introduce non-meshable server (such as a services server)
2576                 case 'H':
2577                         handle_H(token,params,source,reply,tcp_host);
2578                 break;
2579                 // K <SOURCE> <DEST> :<REASON>
2580                 // remote kill
2581                 case 'K':
2582                         handle_K(token,params,source,reply,tcp_host);
2583                 break;
2584                 // @ <SOURCE> :<TEXT>
2585                 // wallops
2586                 case '@':
2587                         handle_AT(token,params,source,reply,tcp_host);
2588                 break;
2589                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2590                 // add gline
2591                 case '#':
2592                         handle_hash(token,params,source,reply,tcp_host);
2593                 break;
2594                 // . <mask> <who>
2595                 // remove gline
2596                 case '.':
2597                         handle_dot(token,params,source,reply,tcp_host);
2598                 break;
2599                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2600                 // add gline
2601                 case '{':
2602                         handle_add_sqline(token,params,source,reply,tcp_host);
2603                 break;
2604                 // . <mask> <who>
2605                 // remove gline
2606                 case '[':
2607                         handle_del_sqline(token,params,source,reply,tcp_host);
2608                 break;
2609                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2610                 // add gline
2611                 case '}':
2612                         handle_add_szline(token,params,source,reply,tcp_host);
2613                 break;
2614                 // . <mask> <who>
2615                 // remove gline
2616                 case ']':
2617                         handle_del_szline(token,params,source,reply,tcp_host);
2618                 break;
2619                 // | <nick> <opertype>
2620                 // set opertype
2621                 case '|':
2622                         handle_pipe(token,params,source,reply,tcp_host);
2623                 break;
2624                 // F <TS>
2625                 // end netburst
2626                 case 'F':
2627                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2628                         handle_F(token,params,source,reply,tcp_host);
2629                         nb_start = 0;
2630                         // tell all the other servers to use this authcookie to connect back again
2631                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2632                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2633                         NetSendToAllExcept(tcp_host,buffer);
2634                 break;
2635                 case '/':
2636                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2637                         strlcpy(source->nickserv,params,NICKMAX);
2638                 break;
2639                 // F <TS>
2640                 // end netburst with no mesh creation
2641                 case 'f':
2642                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2643                         handle_F(token,params,source,reply,tcp_host);
2644                         nb_start = 0;
2645                         // tell everyone else about the new server name so they just add it in the disconnected
2646                         // state
2647                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2648                         NetSendToAllExcept(tcp_host,buffer);
2649                 break;
2650                 // X <reserved>
2651                 // Send netburst now
2652                 case 'X':
2653                         WriteOpers("Sending my netburst to %s",tcp_host);
2654                         DoSync(source,tcp_host);
2655                         WriteOpers("Send of netburst to %s completed",tcp_host);
2656                         NetSendMyRoutingTable();
2657                 break;
2658                 // anything else
2659                 default:
2660                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2661                 break;
2662         }
2663 }
2664
2665
2666 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2667 {
2668         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2669         {
2670                 // a user on a server port, just close their connection.
2671                 RemoveServer(tcp_host);
2672                 return;
2673         }
2674
2675         char response[10240];
2676         char token = udp_msg[0];
2677         char* old = udp_msg;
2678
2679         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2680         {
2681                 char* src = udp_msg+1;
2682                 while (udp_msg[0] != ' ')
2683                         udp_msg++;
2684                 udp_msg[0] = 0;
2685                 udp_msg++;
2686                 char* comd = udp_msg;
2687                 while (udp_msg[0] != ' ')
2688                         udp_msg++;
2689                 udp_msg[0] = 0;
2690                 udp_msg++;
2691                 char data[MAXBUF];
2692                 char source[MAXBUF];
2693                 char command[MAXBUF];
2694                 strlcpy(data,udp_msg,512);
2695                 strlcpy(source,src,MAXBUF);
2696                 strlcpy(command,comd,MAXBUF);
2697                 udp_msg = old;
2698
2699                 // unused numeric:
2700                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2701                 if (!strcmp(command,"433"))
2702                 {
2703                         token = '*';
2704                 }
2705                 if (!strcmp(command,"432"))
2706                 {
2707                         token = '*';
2708                 }
2709                 if (!strcmp(command,"NOTICE"))
2710                 {
2711                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2712                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2713                         token = udp_msg[0];
2714                 }
2715                 if (!strcmp(command,"QUIT"))
2716                 {
2717                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2718                         {
2719                                 strcpy(data,":No reason");
2720                         }
2721                         if (!strcmp(data,":"))
2722                         {
2723                                 strcpy(data,":No reason");
2724                         }
2725                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2726                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2727                         token = udp_msg[0];
2728                 }
2729                 if (!strcmp(command,"SQUIT"))
2730                 {
2731                         snprintf(udp_msg,MAXBUF,"& %s",source);
2732                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2733                         token = udp_msg[0];
2734                 }
2735                 if (!strcmp(command,"SVSMODE"))
2736                 {
2737                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2738                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2739                         token = udp_msg[0];
2740                 }
2741                 if (!strcmp(command,"SVS2MODE"))
2742                 {
2743                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2744                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2745                         token = udp_msg[0];
2746                 }
2747                 // todo: this wont work without u:lines
2748                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2749                 if (!strcmp(command,"MODE"))
2750                 {
2751                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2752                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2753                         token = udp_msg[0];
2754                 }
2755                 if (!strcmp(command,"KICK"))
2756                 {
2757                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2758                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2759                         token = udp_msg[0];
2760                 }
2761                 if (!strcmp(command,"KILL"))
2762                 {
2763                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2764                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2765                         token = udp_msg[0];
2766                 }
2767                 if (!strcmp(command,"SVSJOIN"))
2768                 {
2769                         snprintf(udp_msg,MAXBUF,"J %s",data);
2770                         NetSendToOne(tcp_host,udp_msg);
2771                         char* nick = strtok(data," ");
2772                         char* chan = strtok(NULL," ");
2773                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2774                         userrec* u = Find(nick);
2775                         if (u)
2776                         {
2777                                 add_channel(u,chan,"",true);
2778                         }
2779                         token = udp_msg[0];
2780                 }
2781
2782         }
2783
2784
2785         char* params = udp_msg + 2;
2786         char finalparam[1024];
2787         strcpy(finalparam," :xxxx");
2788         if (strstr(udp_msg," :")) {
2789                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2790         }
2791
2792
2793         if (token == '-') {
2794                 char* cookie = strtok(params," ");
2795                 char* servername = strtok(NULL," ");
2796                 char* serverdesc = finalparam+2;
2797
2798                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2799
2800                 for (int u = 0; u < auth_cookies.size(); u++)
2801                 {
2802                         if (auth_cookies[u] == atoi(cookie))
2803                         {
2804                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2805
2806
2807                                 for (int j = 0; j < 32; j++)
2808                                 {
2809                                         if (me[j] != NULL)
2810                                         {
2811                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2812                                                 {
2813                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2814                                                         {
2815                                                                 me[j]->connectors[k].SetServerName(servername);
2816                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2817                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2818                                                                 NetSendMyRoutingTable();
2819                                                                 return;
2820                                                         }
2821                                                 }
2822                                         }
2823                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2824                                         return;
2825                                 }
2826
2827
2828                                 return;
2829                         }
2830                 }
2831                 // bad cookie, bad bad! go sit in the corner!
2832                 WriteOpers("Bad cookie from %s!",servername);
2833                 return;
2834         }
2835         else
2836         if (token == 'S') {
2837                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2838                 char* servername = strtok(params," ");
2839                 char* password = strtok(NULL," ");
2840                 char* myport = strtok(NULL," ");
2841                 char* revision = strtok(NULL," ");
2842                 char* serverdesc = finalparam+2;
2843
2844                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2845
2846                 ircd_connector* cn = serv->FindHost(servername);
2847
2848                 if (cn)
2849                 {
2850                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2851                         char buffer[MAXBUF];
2852                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2853                         serv->SendPacket(buffer,tcp_host);
2854                         RemoveServer(tcp_host);
2855                         return;
2856                 }
2857
2858                 if (atoi(revision) != GetRevision())
2859                 {
2860                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2861                         char buffer[MAXBUF];
2862                         sprintf(buffer,"E :Version number mismatch");
2863                         serv->SendPacket(buffer,tcp_host);
2864                         RemoveServer(tcp_host);
2865                         RemoveServer(servername);
2866                         return;
2867                 }
2868
2869                 for (int j = 0; j < serv->connectors.size(); j++)
2870                 {
2871                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2872                         {
2873                                 serv->connectors[j].SetServerName(servername);
2874                                 serv->connectors[j].SetDescription(serverdesc);
2875                                 serv->connectors[j].SetServerPort(atoi(myport));
2876                         }
2877                 }
2878
2879
2880                 char Link_ServerName[1024];
2881                 char Link_IPAddr[1024];
2882                 char Link_Port[1024];
2883                 char Link_Pass[1024];
2884                 char Link_SendPass[1024];
2885                 int LinkPort = 0;
2886
2887                 // search for a corresponding <link> block in the config files
2888                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2889                 {
2890                         ConfValue("link","name",i,Link_ServerName,&config_f);
2891                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2892                         ConfValue("link","port",i,Link_Port,&config_f);
2893                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2894                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2895                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2896                         LinkPort = atoi(Link_Port);
2897                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2898                         {
2899                                 // we have a matching link line -
2900                                 // send a 'diminutive' server message back...
2901                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
2902                                 serv->SendPacket(response,servername);
2903
2904                                 for (int t = 0; t < serv->connectors.size(); t++)
2905                                 {
2906                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
2907                                         {
2908                                                 serv->connectors[t].SetState(STATE_CONNECTED);
2909                                         }
2910                                 }
2911
2912                                 return;
2913                         }
2914                 }
2915                 char buffer[MAXBUF];
2916                 sprintf(buffer,"E :Access is denied (no matching link block)");
2917                 serv->SendPacket(buffer,tcp_host);
2918                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2919                 RemoveServer(tcp_host);
2920                 RemoveServer(servername);
2921                 return;
2922         }
2923         else
2924         if (token == 's') {
2925                 // S test.chatspike.net password :ChatSpike InspIRCd test server
2926                 char* servername = strtok(params," ");
2927                 char* password = strtok(NULL," ");
2928                 char* serverdesc = finalparam+2;
2929
2930                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
2931                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
2932                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
2933                 // a connect, so put out an oper alert!
2934
2935                 // for now, just accept all, we'll fix that later.
2936                 WriteOpers("%s accepted our link credentials ",servername);
2937
2938                 char Link_ServerName[1024];
2939                 char Link_IPAddr[1024];
2940                 char Link_Port[1024];
2941                 char Link_Pass[1024];
2942                 char Link_SendPass[1024];
2943                 int LinkPort = 0;
2944
2945                 // search for a corresponding <link> block in the config files
2946                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2947                 {
2948                         ConfValue("link","name",i,Link_ServerName,&config_f);
2949                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2950                         ConfValue("link","port",i,Link_Port,&config_f);
2951                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2952                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2953                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2954                         LinkPort = atoi(Link_Port);
2955                         if (!strcasecmp(Link_ServerName,servername))
2956                         {
2957                                 // matching link at this end too, we're all done!
2958                                 // at this point we must begin key exchange and insert this
2959                                 // server into our 'active' table.
2960                                 for (int j = 0; j < 32; j++)
2961                                 {
2962                                         if (me[j] != NULL)
2963                                         {
2964                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2965                                                 {
2966                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2967                                                         {
2968                                                                 char buffer[MAXBUF];
2969                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2970                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2971                                                                 sprintf(buffer,"X 0");
2972                                                                 serv->SendPacket(buffer,tcp_host);
2973                                                                 DoSync(me[j],tcp_host);
2974                                                                 NetSendMyRoutingTable();
2975                                                                 return;
2976                                                         }
2977                                                 }
2978                                         }
2979                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
2980                                         return;
2981                                 }
2982                         }
2983                         else {
2984                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
2985                         }
2986                 }
2987                 char buffer[MAXBUF];
2988                 sprintf(buffer,"E :Access is denied (no matching link block)");
2989                 serv->SendPacket(buffer,tcp_host);
2990                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2991                 RemoveServer(tcp_host);
2992                 RemoveServer(servername);
2993                 return;
2994         }
2995         else
2996         if (token == 'U') {
2997                 // U services.chatspike.net password :ChatSpike Services
2998                 //
2999                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3000                 char* servername = strtok(params," ");
3001                 char* password = strtok(NULL," ");
3002                 char* serverdesc = finalparam+2;
3003
3004                 char Link_ServerName[1024];
3005                 char Link_IPAddr[1024];
3006                 char Link_Port[1024];
3007                 char Link_Pass[1024];
3008                 char Link_SendPass[1024];
3009                 int LinkPort = 0;
3010
3011                 // search for a corresponding <link> block in the config files
3012                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3013                 {
3014                         ConfValue("link","name",i,Link_ServerName,&config_f);
3015                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3016                         ConfValue("link","port",i,Link_Port,&config_f);
3017                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3018                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3019                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3020                         LinkPort = atoi(Link_Port);
3021                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3022                         {
3023                                 // matching link at this end too, we're all done!
3024                                 // at this point we must begin key exchange and insert this
3025                                 // server into our 'active' table.
3026                                 for (int j = 0; j < 32; j++)
3027                                 {
3028                                         if (me[j] != NULL)
3029                                         {
3030                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3031                                                 {
3032                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3033                                                         {
3034                                                                 char buffer[MAXBUF];
3035                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3036                                                                 me[j]->connectors[k].SetServerName(servername);
3037                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3038                                                                 sprintf(buffer,"X 0");
3039                                                                 serv->SendPacket(buffer,servername);
3040                                                                 DoSync(me[j],servername);
3041                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3042                                                                 NetSendToAllExcept(servername,buffer);
3043                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3044                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3045                                                                 NetSendMyRoutingTable();
3046                                                                 return;
3047                                                         }
3048                                                 }
3049                                         }
3050                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3051                                         return;
3052                                 }
3053                         }
3054                         else {
3055                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3056                         }
3057                 }
3058                 char buffer[MAXBUF];
3059                 sprintf(buffer,"E :Access is denied (no matching link block)");
3060                 serv->SendPacket(buffer,tcp_host);
3061                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3062                 RemoveServer(tcp_host);
3063                 RemoveServer(servername);
3064                 return;
3065         }
3066         else
3067         if (token == 'E') {
3068                 char* error_message = finalparam+2;
3069                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3070                 return;
3071         }
3072         else {
3073
3074                 serverrec* source_server = NULL;
3075
3076                 for (int j = 0; j < 32; j++)
3077                 {
3078                         if (me[j] != NULL)
3079                         {
3080                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3081                                 {
3082                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3083                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3084                                         {
3085                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3086                                                 {
3087                                                         // found a valid ircd_connector.
3088                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3089                                                         return;
3090                                                 }
3091                                         }
3092                                 }
3093                         }
3094                 }
3095
3096                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3097         }
3098 }
3099
3100 long duration(char* str)
3101 {
3102         char n_field[MAXBUF];
3103         long total = 0;
3104         char* str_end = str + strlen(str);
3105         n_field[0] = 0;
3106
3107         for (char* i = str; i < str_end; i++)
3108         {
3109                 // if we have digits, build up a string for the value in n_field,
3110                 // up to 10 digits in size.
3111                 if ((*i >= '0') && (*i <= '9'))
3112                 {
3113                         strlcat(n_field,i,10);
3114                 }
3115                 else
3116                 {
3117                         // we dont have a digit, check for numeric tokens
3118                         switch (tolower(*i))
3119                         {
3120                                 case 's':
3121                                         total += atoi(n_field);
3122                                 break;
3123
3124                                 case 'm':
3125                                         total += (atoi(n_field)*duration_m);
3126                                 break;
3127
3128                                 case 'h':
3129                                         total += (atoi(n_field)*duration_h);
3130                                 break;
3131
3132                                 case 'd':
3133                                         total += (atoi(n_field)*duration_d);
3134                                 break;
3135
3136                                 case 'w':
3137                                         total += (atoi(n_field)*duration_w);
3138                                 break;
3139
3140                                 case 'y':
3141                                         total += (atoi(n_field)*duration_y);
3142                                 break;
3143                         }
3144                         n_field[0] = 0;
3145                 }
3146         }
3147         // add trailing seconds
3148         total += atoi(n_field);
3149
3150         return total;
3151 }
3152
3153
3154 void handle_kline(char **parameters, int pcnt, userrec *user)
3155 {
3156         if (pcnt >= 3)
3157         {
3158                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3159                 if (!duration(parameters[1]))
3160                 {
3161                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3162                 }
3163                 else
3164                 {
3165                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3166                 }
3167         }
3168         else
3169         {
3170                 if (del_kline(parameters[0]))
3171                 {
3172                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3173                 }
3174                 else
3175                 {
3176                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3177                 }
3178         }
3179         apply_lines();
3180 }
3181
3182 void handle_eline(char **parameters, int pcnt, userrec *user)
3183 {
3184         if (pcnt >= 3)
3185         {
3186                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3187                 if (!duration(parameters[1]))
3188                 {
3189                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3190                 }
3191                 else
3192                 {
3193                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3194                 }
3195         }
3196         else
3197         {
3198                 if (del_eline(parameters[0]))
3199                 {
3200                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3201                 }
3202                 else
3203                 {
3204                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3205                 }
3206         }
3207         // no need to apply the lines for an eline
3208 }
3209
3210 void handle_gline(char **parameters, int pcnt, userrec *user)
3211 {
3212         char netdata[MAXBUF];
3213         if (pcnt >= 3)
3214         {
3215                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3216                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3217                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3218                 NetSendToAll(netdata);
3219                 if (!duration(parameters[1]))
3220                 {
3221                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3222                 }
3223                 else
3224                 {
3225                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3226                 }
3227         }
3228         else
3229         {
3230                 if (del_gline(parameters[0]))
3231                 {
3232                         // . <mask> <who-removed-it>
3233                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3234                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3235                 }
3236                 else
3237                 {
3238                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3239                 }
3240         }
3241         apply_lines();
3242 }
3243
3244 void handle_zline(char **parameters, int pcnt, userrec *user)
3245 {
3246         if (pcnt >= 3)
3247         {
3248                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3249                 if (!duration(parameters[1]))
3250                 {
3251                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3252                 }
3253                 else
3254                 {
3255                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3256                 }
3257         }
3258         else
3259         {
3260                 if (del_zline(parameters[0]))
3261                 {
3262                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3263                 }
3264                 else
3265                 {
3266                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3267                 }
3268         }
3269         apply_lines();
3270 }
3271
3272 void handle_qline(char **parameters, int pcnt, userrec *user)
3273 {
3274         if (pcnt >= 3)
3275         {
3276                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3277                 if (!duration(parameters[1]))
3278                 {
3279                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3280                 }
3281                 else
3282                 {
3283                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3284                 }
3285         }
3286         else
3287         {
3288                 if (del_qline(parameters[0]))
3289                 {
3290                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3291                 }
3292                 else
3293                 {
3294                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3295                 }
3296         }
3297         apply_lines();
3298 }
3299
3300