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         char buffer[MAXBUF];
 268         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 269         NetSendToAll(buffer);
 270 }
 271
 272 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 273 {
 274         if (LoadModule(parameters[0]))
 275         {
 276                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 277                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 278         }
 279         else
 280         {
 281                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 282         }
 283 }
 284
 285 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 286 {
 287         if (UnloadModule(parameters[0]))
 288         {
 289                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 290                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 291         }
 292         else
 293         {
 294                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 295         }
 296 }
 297
 298 void handle_die(char **parameters, int pcnt, userrec *user)
 299 {
 300         log(DEBUG,"die: %s",user->nick);
 301         if (!strcmp(parameters[0],diepass))
 302         {
 303                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 304                 sleep(DieDelay);
 305                 Exit(ERROR);
 306         }
 307         else
 308         {
 309                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 310         }
 311 }
 312
 313 void handle_restart(char **parameters, int pcnt, userrec *user)
 314 {
 315         char restart[1024];
 316         char *argv[32];
 317         log(DEFAULT,"Restart: %s",user->nick);
 318         if (!strcmp(parameters[0],restartpass))
 319         {
 320                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 321
 322                 argv[0] = MyExecutable;
 323                 argv[1] = "-wait";
 324                 if (nofork)
 325                 {
 326                         argv[2] = "-nofork";
 327                 }
 328                 else
 329                 {
 330                         argv[2] = NULL;
 331                 }
 332                 argv[3] = NULL;
 333
 334                 // close ALL file descriptors
 335                 send_error("Server restarting.");
 336                 sleep(1);
 337                 for (int i = 0; i < 65536; i++)
 338                 {
 339                         int on = 0;
 340                         struct linger linger = { 0 };
 341                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 342                         linger.l_onoff = 1;
 343                         linger.l_linger = 0;
 344                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 345                         Blocking(i);
 346                         close(i);
 347                 }
 348                 sleep(5);
 349
 350                 execv(MyExecutable,argv);
 351
 352                 exit(0);
 353         }
 354         else
 355         {
 356                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 357         }
 358 }
 359
 360 void handle_kill(char **parameters, int pcnt, userrec *user)
 361 {
 362         userrec *u = Find(parameters[0]);
 363         char killreason[MAXBUF];
 364
 365         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 366         if (u)
 367         {
 368                 int MOD_RESULT = 0;
 369                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 370                 if (MOD_RESULT) {
 371                         return;
 372                 }
 373
 374                 if (strcmp(ServerName,u->server))
 375                 {
 376                         // remote kill
 377                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 378                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 379                         WriteCommonExcept(u,"QUIT :%s",killreason);
 380                         // K token must go to ALL servers!!!
 381                         char buffer[MAXBUF];
 382                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 383                         NetSendToAll(buffer);
 384
 385                         user_hash::iterator iter = clientlist.find(u->nick);
 386                         if (iter != clientlist.end())
 387                         {
 388                                 log(DEBUG,"deleting user hash value %d",iter->second);
 389                                 if ((iter->second) && (user->registered == 7)) {
 390                                         delete iter->second;
 391                                         }
 392                         clientlist.erase(iter);
 393                         }
 394                         purge_empty_chans();
 395                 }
 396                 else
 397                 {
 398                         // local kill
 399                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 400                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 401                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 402                         kill_link(u,killreason);
 403                 }
 404         }
 405         else
 406         {
 407                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 408         }
 409 }
 410
 411 void handle_summon(char **parameters, int pcnt, userrec *user)
 412 {
 413         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 414 }
 415
 416 void handle_users(char **parameters, int pcnt, userrec *user)
 417 {
 418         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 419 }
 420
 421 void handle_pass(char **parameters, int pcnt, userrec *user)
 422 {
 423         // Check to make sure they havnt registered -- Fix by FCS
 424         if (user->registered == 7)
 425         {
 426                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 427                 return;
 428         }
 429         if (!strcasecmp(parameters[0],Passwd(user)))
 430         {
 431                 user->haspassed = true;
 432         }
 433 }
 434
 435 void handle_invite(char **parameters, int pcnt, userrec *user)
 436 {
 437         userrec* u = Find(parameters[0]);
 438         chanrec* c = FindChan(parameters[1]);
 439
 440         if ((!c) || (!u))
 441         {
 442                 if (!c)
 443                 {
 444                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 445                 }
 446                 else
 447                 {
 448                         if (c->inviteonly)
 449                         {
 450                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 451                         }
 452                 }
 453
 454                 return;
 455         }
 456
 457         if (c->inviteonly)
 458         {
 459                 if (cstatus(user,c) < STATUS_HOP)
 460                 {
 461                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 462                         return;
 463                 }
 464         }
 465         if (has_channel(u,c))
 466         {
 467                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 468                 return;
 469         }
 470         if (!has_channel(user,c))
 471         {
 472                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 473                 return;
 474         }
 475
 476         int MOD_RESULT = 0;
 477         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 478         if (MOD_RESULT == 1) {
 479                 return;
 480         }
 481
 482         u->InviteTo(c->name);
 483         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 484         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 485
 486         // i token must go to ALL servers!!!
 487         char buffer[MAXBUF];
 488         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 489         NetSendToAll(buffer);
 490 }
 491
 492 void handle_topic(char **parameters, int pcnt, userrec *user)
 493 {
 494         chanrec* Ptr;
 495
 496         if (pcnt == 1)
 497         {
 498                 if (strlen(parameters[0]) <= CHANMAX)
 499                 {
 500                         Ptr = FindChan(parameters[0]);
 501                         if (Ptr)
 502                         {
 503                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 504                                 {
 505                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 506                                         return;
 507                                 }
 508                                 if (Ptr->topicset)
 509                                 {
 510                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 511                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 512                                 }
 513                                 else
 514                                 {
 515                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 516                                 }
 517                         }
 518                         else
 519                         {
 520                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 521                         }
 522                 }
 523                 return;
 524         }
 525         else if (pcnt>1)
 526         {
 527                 if (strlen(parameters[0]) <= CHANMAX)
 528                 {
 529                         Ptr = FindChan(parameters[0]);
 530                         if (Ptr)
 531                         {
 532                                 if ((Ptr) && (!has_channel(user,Ptr)))
 533                                 {
 534                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 535                                         return;
 536                                 }
 537                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 538                                 {
 539                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 540                                         return;
 541                                 }
 542
 543                                 char topic[MAXBUF];
 544                                 strlcpy(topic,parameters[1],MAXBUF);
 545                                 if (strlen(topic)>MAXTOPIC)
 546                                 {
 547                                         topic[MAXTOPIC-1] = '\0';
 548                                 }
 549
 550                                 strlcpy(Ptr->topic,topic,MAXBUF);
 551                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 552                                 Ptr->topicset = TIME;
 553                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 554
 555                                 // t token must go to ALL servers!!!
 556                                 char buffer[MAXBUF];
 557                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 558                                 NetSendToAll(buffer);
 559                         }
 560                         else
 561                         {
 562                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 563                         }
 564                 }
 565         }
 566 }
 567
 568 void handle_names(char **parameters, int pcnt, userrec *user)
 569 {
 570         chanrec* c;
 571
 572         if (!pcnt)
 573         {
 574                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 575                 return;
 576         }
 577
 578         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 579                 return;
 580         c = FindChan(parameters[0]);
 581         if (c)
 582         {
 583                 if (((c) && (!has_channel(user,c))) && (c->secret))
 584                 {
 585                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 586                       return;
 587                 }
 588                 userlist(user,c);
 589                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 590         }
 591         else
 592         {
 593                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 594         }
 595 }
 596
 597 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 598 {
 599         userrec *dest;
 600         chanrec *chan;
 601
 602         user->idle_lastmsg = TIME;
 603
 604         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 605                 return;
 606         if (parameters[0][0] == '#')
 607         {
 608                 chan = FindChan(parameters[0]);
 609                 if (chan)
 610                 {
 611                         if ((chan->noexternal) && (!has_channel(user,chan)))
 612                         {
 613                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 614                                 return;
 615                         }
 616                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 617                         {
 618                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 619                                 return;
 620                         }
 621
 622                         int MOD_RESULT = 0;
 623
 624                         std::string temp = parameters[1];
 625                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 626                         if (MOD_RESULT) {
 627                                 return;
 628                         }
 629                         parameters[1] = (char*)temp.c_str();
 630
 631                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 632
 633                         // if any users of this channel are on remote servers, broadcast the packet
 634                         char buffer[MAXBUF];
 635                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 636                         NetSendToCommon(user,buffer);
 637                 }
 638                 else
 639                 {
 640                         /* no such nick/channel */
 641                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 642                 }
 643                 return;
 644         }
 645
 646         dest = Find(parameters[0]);
 647         if (dest)
 648         {
 649                 if (strcmp(dest->awaymsg,""))
 650                 {
 651                         /* auto respond with aweh msg */
 652                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 653                 }
 654
 655                 int MOD_RESULT = 0;
 656
 657                 std::string temp = parameters[1];
 658                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 659                 if (MOD_RESULT) {
 660                         return;
 661                 }
 662                 parameters[1] = (char*)temp.c_str();
 663
 664
 665
 666                 if (!strcmp(dest->server,user->server))
 667                 {
 668                         // direct write, same server
 669                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 670                 }
 671                 else
 672                 {
 673                         char buffer[MAXBUF];
 674                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 675                         NetSendToOne(dest->server,buffer);
 676                 }
 677         }
 678         else
 679         {
 680                 /* no such nick/channel */
 681                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 682         }
 683 }
 684
 685 void handle_notice(char **parameters, int pcnt, userrec *user)
 686 {
 687         userrec *dest;
 688         chanrec *chan;
 689
 690         user->idle_lastmsg = TIME;
 691
 692         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 693                 return;
 694         if (parameters[0][0] == '#')
 695         {
 696                 chan = FindChan(parameters[0]);
 697                 if (chan)
 698                 {
 699                         if ((chan->noexternal) && (!has_channel(user,chan)))
 700                         {
 701                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 702                                 return;
 703                         }
 704                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 705                         {
 706                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 707                                 return;
 708                         }
 709
 710                         int MOD_RESULT = 0;
 711
 712                         std::string temp = parameters[1];
 713                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 714                         if (MOD_RESULT) {
 715                                 return;
 716                         }
 717                         parameters[1] = (char*)temp.c_str();
 718
 719                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 720
 721                         // if any users of this channel are on remote servers, broadcast the packet
 722                         char buffer[MAXBUF];
 723                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 724                         NetSendToCommon(user,buffer);
 725                 }
 726                 else
 727                 {
 728                         /* no such nick/channel */
 729                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 730                 }
 731                 return;
 732         }
 733
 734         dest = Find(parameters[0]);
 735         if (dest)
 736         {
 737                 int MOD_RESULT = 0;
 738
 739                 std::string temp = parameters[1];
 740                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 741                 if (MOD_RESULT) {
 742                         return;
 743                 }
 744                 parameters[1] = (char*)temp.c_str();
 745
 746                 if (!strcmp(dest->server,user->server))
 747                 {
 748                         // direct write, same server
 749                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 750                 }
 751                 else
 752                 {
 753                         char buffer[MAXBUF];
 754                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 755                         NetSendToOne(dest->server,buffer);
 756                 }
 757         }
 758         else
 759         {
 760                 /* no such nick/channel */
 761                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 762         }
 763 }
 764
 765 void handle_server(char **parameters, int pcnt, userrec *user)
 766 {
 767         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 768         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 769 }
 770
 771 void handle_info(char **parameters, int pcnt, userrec *user)
 772 {
 773         WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
 774         WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
 775         WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
 776         FOREACH_MOD OnInfo(user);
 777         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 778 }
 779
 780 void handle_time(char **parameters, int pcnt, userrec *user)
 781 {
 782         time_t rawtime;
 783         struct tm * timeinfo;
 784
 785         time ( &rawtime );
 786         timeinfo = localtime ( &rawtime );
 787         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 788
 789 }
 790
 791 void handle_whois(char **parameters, int pcnt, userrec *user)
 792 {
 793         userrec *dest;
 794         char *t;
 795
 796         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 797                 return;
 798         dest = Find(parameters[0]);
 799         if (dest)
 800         {
 801                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 802                 if (dest->registered == 7)
 803                 {
 804                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 805                         if ((user == dest) || (strchr(user->modes,'o')))
 806                         {
 807                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 808                         }
 809                         if (strcmp(chlist(dest),""))
 810                         {
 811                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 812                         }
 813                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 814                         if (strcmp(dest->awaymsg,""))
 815                         {
 816                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 817                         }
 818                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 819                         {
 820                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 821                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 822                         }
 823                         FOREACH_MOD OnWhois(user,dest);
 824                         if (!strcasecmp(user->server,dest->server))
 825                         {
 826                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 827                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 828                         }
 829
 830                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 831                 }
 832                 else
 833                 {
 834                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 835                 }
 836         }
 837         else
 838         {
 839                 /* no such nick/channel */
 840                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 841         }
 842 }
 843
 844 void handle_quit(char **parameters, int pcnt, userrec *user)
 845 {
 846         user_hash::iterator iter = clientlist.find(user->nick);
 847         char* reason;
 848
 849         if (user->registered == 7)
 850         {
 851                 /* theres more to do here, but for now just close the socket */
 852                 if (pcnt == 1)
 853                 {
 854                         if (parameters[0][0] == ':')
 855                         {
 856                                 *parameters[0]++;
 857                         }
 858                         reason = parameters[0];
 859
 860                         if (strlen(reason)>MAXQUIT)
 861                         {
 862                                 reason[MAXQUIT-1] = '\0';
 863                         }
 864
 865                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 866                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 867                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 868
 869                         char buffer[MAXBUF];
 870                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 871                         NetSendToAll(buffer);
 872                 }
 873                 else
 874                 {
 875                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 876                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 877                         WriteCommonExcept(user,"QUIT :Client exited");
 878
 879                         char buffer[MAXBUF];
 880                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 881                         NetSendToAll(buffer);
 882                 }
 883                 FOREACH_MOD OnUserQuit(user);
 884                 AddWhoWas(user);
 885         }
 886
 887         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 888         fd_reap.push_back(user->fd);
 889
 890         if (iter != clientlist.end())
 891         {
 892                 clientlist.erase(iter);
 893                 log(DEBUG,"deleting user hash value %d",iter->second);
 894                 //if ((user) && (user->registered == 7)) {
 895                         //delete user;
 896                 //}
 897         }
 898
 899         if (user->registered == 7) {
 900                 purge_empty_chans();
 901         }
 902 }
 903
 904 void handle_who(char **parameters, int pcnt, userrec *user)
 905 {
 906         chanrec* Ptr = NULL;
 907         char tmp[10];
 908
 909         /* theres more to do here, but for now just close the socket */
 910         if (pcnt == 1)
 911         {
 912                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 913                 {
 914                         if (user->chans[0].channel)
 915                         {
 916                                 int n_list = 0;
 917                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 918                                 {
 919                                         Ptr = i->second->chans[0].channel;
 920                                         // suggested by phidjit and FCS
 921                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 922                                         {
 923                                                 // Bug Fix #29
 924                                                 strcpy(tmp, "");
 925                                                 if (strcmp(i->second->awaymsg, "")) {
 926                                                         strncat(tmp, "G", 9);
 927                                                 } else {
 928                                                         strncat(tmp, "H", 9);
 929                                                 }
 930                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 931                                                 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);
 932                                                 n_list++;
 933                                                 if (n_list > MaxWhoResults)
 934                                                         break;
 935                                         }
 936                                 }
 937                         }
 938                         if (Ptr)
 939                         {
 940                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 941                         }
 942                         else
 943                         {
 944                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 945                         }
 946                         return;
 947                 }
 948                 if (parameters[0][0] == '#')
 949                 {
 950                         Ptr = FindChan(parameters[0]);
 951                         if (Ptr)
 952                         {
 953                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 954                                 {
 955                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
 956                                         {
 957                                                 // Fix Bug #29 - Part 2..
 958                                                 strcpy(tmp, "");
 959                                                 if (strcmp(i->second->awaymsg, "")) {
 960                                                         strncat(tmp, "G", 9);
 961                                                 } else {
 962                                                         strncat(tmp, "H", 9);
 963                                                 }
 964                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 965                                                 strcat(tmp, cmode(i->second, Ptr));
 966                                                 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);
 967                                         }
 968                                 }
 969                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 970                         }
 971                         else
 972                         {
 973                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 974                         }
 975                 }
 976                 else
 977                 {
 978                         userrec* u = Find(parameters[0]);
 979                         if (u)
 980                         {
 981                                 // Bug Fix #29 -- Part 29..
 982                                 strcpy(tmp, "");
 983                                 if (strcmp(u->awaymsg, "")) {
 984                                         strncat(tmp, "G" ,9);
 985                                 } else {
 986                                         strncat(tmp, "H" ,9);
 987                                 }
 988                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
 989                                 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);
 990                         }
 991                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 992                 }
 993         }
 994         if (pcnt == 2)
 995         {
 996                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
 997                 {
 998                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 999                         {
1000                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
1001                                 {
1002                                         if (strchr(i->second->modes,'o'))
1003                                         {
1004                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1005                                                 // But i'm a poor bastard with nothing better to do.
1006                                                 strcpy(tmp, "");
1007                                                 if (strcmp(i->second->awaymsg, "")) {
1008                                                         strncat(tmp, "G" ,9);
1009                                                 } else {
1010                                                         strncat(tmp, "H" ,9);
1011                                                 }
1012
1013                                                 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);
1014                                         }
1015                                 }
1016                         }
1017                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1018                         return;
1019                 }
1020         }
1021 }
1022
1023 void handle_wallops(char **parameters, int pcnt, userrec *user)
1024 {
1025         WriteWallOps(user,false,"%s",parameters[0]);
1026 }
1027
1028 void handle_list(char **parameters, int pcnt, userrec *user)
1029 {
1030         chanrec* Ptr;
1031
1032         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1033         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1034         {
1035                 if ((!i->second->c_private) && (!i->second->secret))
1036                 {
1037                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1038                 }
1039         }
1040         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1041 }
1042
1043
1044 void handle_rehash(char **parameters, int pcnt, userrec *user)
1045 {
1046         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1047         ReadConfig(false,user);
1048         FOREACH_MOD OnRehash();
1049         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1050 }
1051
1052 void handle_lusers(char **parameters, int pcnt, userrec *user)
1053 {
1054         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1055         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1056         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1057         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1058         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1059 }
1060
1061 void handle_admin(char **parameters, int pcnt, userrec *user)
1062 {
1063         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1064         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1065         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1066         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1067 }
1068
1069 void handle_ping(char **parameters, int pcnt, userrec *user)
1070 {
1071         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1072 }
1073
1074 void handle_pong(char **parameters, int pcnt, userrec *user)
1075 {
1076         // set the user as alive so they survive to next ping
1077         user->lastping = 1;
1078 }
1079
1080 void handle_motd(char **parameters, int pcnt, userrec *user)
1081 {
1082         ShowMOTD(user);
1083 }
1084
1085 void handle_rules(char **parameters, int pcnt, userrec *user)
1086 {
1087         ShowRULES(user);
1088 }
1089
1090 void handle_user(char **parameters, int pcnt, userrec *user)
1091 {
1092         if (user->registered < 3)
1093         {
1094                 if (isident(parameters[0]) == 0) {
1095                         // This kinda Sucks, According to the RFC thou, its either this,
1096                         // or "You have already registered" :p -- Craig
1097                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1098                 }
1099                 else {
1100                         WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
1101                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1102                         strlcat(user->ident,parameters[0],IDENTMAX);
1103                         strlcpy(user->fullname,parameters[3],128);
1104                         user->registered = (user->registered | 1);
1105                 }
1106         }
1107         else
1108         {
1109                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1110                 return;
1111         }
1112         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1113         if (user->registered == 3)
1114         {
1115                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1116                 ConnectUser(user);
1117         }
1118 }
1119
1120 void handle_userhost(char **parameters, int pcnt, userrec *user)
1121 {
1122         char Return[MAXBUF],junk[MAXBUF];
1123         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1124         for (int i = 0; i < pcnt; i++)
1125         {
1126                 userrec *u = Find(parameters[i]);
1127                 if (u)
1128                 {
1129                         if (strchr(u->modes,'o'))
1130                         {
1131                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1132                                 strlcat(Return,junk,MAXBUF);
1133                         }
1134                         else
1135                         {
1136                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1137                                 strlcat(Return,junk,MAXBUF);
1138                         }
1139                 }
1140         }
1141         WriteServ(user->fd,Return);
1142 }
1143
1144
1145 void handle_ison(char **parameters, int pcnt, userrec *user)
1146 {
1147         char Return[MAXBUF];
1148         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1149         for (int i = 0; i < pcnt; i++)
1150         {
1151                 userrec *u = Find(parameters[i]);
1152                 if (u)
1153                 {
1154                         strlcat(Return,u->nick,MAXBUF);
1155                         strlcat(Return," ",MAXBUF);
1156                 }
1157         }
1158         WriteServ(user->fd,Return);
1159 }
1160
1161
1162 void handle_away(char **parameters, int pcnt, userrec *user)
1163 {
1164         if (pcnt)
1165         {
1166                 strlcpy(user->awaymsg,parameters[0],512);
1167                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1168         }
1169         else
1170         {
1171                 strlcpy(user->awaymsg,"",512);
1172                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1173         }
1174 }
1175
1176 void handle_whowas(char **parameters, int pcnt, userrec* user)
1177 {
1178         user_hash::iterator i = whowas.find(parameters[0]);
1179
1180         if (i == whowas.end())
1181         {
1182                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1183                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1184         }
1185         else
1186         {
1187                 time_t rawtime = i->second->signon;
1188                 tm *timeinfo;
1189                 char b[MAXBUF];
1190
1191                 timeinfo = localtime(&rawtime);
1192                 strlcpy(b,asctime(timeinfo),MAXBUF);
1193                 b[strlen(b)-1] = '\0';
1194
1195                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1196                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1197                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1198         }
1199
1200 }
1201
1202 void handle_trace(char **parameters, int pcnt, userrec *user)
1203 {
1204         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1205         {
1206                 if (i->second)
1207                 {
1208                         if (isnick(i->second->nick))
1209                         {
1210                                 if (strchr(i->second->modes,'o'))
1211                                 {
1212                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1213                                 }
1214                                 else
1215                                 {
1216                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1217                                 }
1218                         }
1219                         else
1220                         {
1221                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1222                         }
1223                 }
1224         }
1225 }
1226
1227 void handle_modules(char **parameters, int pcnt, userrec *user)
1228 {
1229         for (int i = 0; i < module_names.size(); i++)
1230         {
1231                 Version V = modules[i]->GetVersion();
1232                 char modulename[MAXBUF];
1233                 char flagstate[MAXBUF];
1234                 strcpy(flagstate,"");
1235                 if (V.Flags & VF_STATIC)
1236                         strlcat(flagstate,", static",MAXBUF);
1237                 if (V.Flags & VF_VENDOR)
1238                         strlcat(flagstate,", vendor",MAXBUF);
1239                 if (V.Flags & VF_COMMON)
1240                         strlcat(flagstate,", common",MAXBUF);
1241                 if (V.Flags & VF_SERVICEPROVIDER)
1242                         strlcat(flagstate,", service provider",MAXBUF);
1243                 if (!strlen(flagstate))
1244                         strcpy(flagstate,"  <no flags>");
1245                 strlcpy(modulename,module_names[i].c_str(),256);
1246                 if (strchr(user->modes,'o'))
1247                 {
1248                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s (%s)",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename),flagstate+2);
1249                 }
1250                 else
1251                 {
1252                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1253                 }
1254         }
1255 }
1256
1257 void handle_stats(char **parameters, int pcnt, userrec *user)
1258 {
1259         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1260         if (pcnt != 1)
1261         {
1262                 return;
1263         }
1264         if (strlen(parameters[0])>1)
1265         {
1266                 /* make the stats query 1 character long */
1267                 parameters[0][1] = '\0';
1268         }
1269
1270
1271         if (!strcasecmp(parameters[0],"c"))
1272         {
1273                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1274                 {
1275                         ConfValue("link","name",i,Link_ServerName,&config_f);
1276                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1277                         ConfValue("link","port",i,Link_Port,&config_f);
1278                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1279                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1280                 }
1281         }
1282
1283         if (!strcasecmp(parameters[0],"i"))
1284         {
1285                 int idx = 0;
1286                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1287                 {
1288                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1289                         idx++;
1290                 }
1291         }
1292
1293         if (!strcasecmp(parameters[0],"y"))
1294         {
1295                 int idx = 0;
1296                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1297                 {
1298                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1299                         idx++;
1300                 }
1301         }
1302
1303         if (!strcmp(parameters[0],"U"))
1304         {
1305                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1306                 {
1307                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1308                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1309                 }
1310         }
1311
1312         if (!strcmp(parameters[0],"P"))
1313         {
1314                 int idx = 0;
1315                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1316                 {
1317                         if (strchr(i->second->modes,'o'))
1318                         {
1319                                 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));
1320                                 idx++;
1321                         }
1322                 }
1323                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1324         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1325         }
1326
1327         if (!strcmp(parameters[0],"k"))
1328         {
1329                 stats_k(user);
1330         }
1331
1332         if (!strcmp(parameters[0],"g"))
1333         {
1334                 stats_g(user);
1335         }
1336
1337         if (!strcmp(parameters[0],"q"))
1338         {
1339                 stats_q(user);
1340         }
1341
1342         if (!strcmp(parameters[0],"Z"))
1343         {
1344                 stats_z(user);
1345         }
1346
1347         if (!strcmp(parameters[0],"e"))
1348         {
1349                 stats_e(user);
1350         }
1351
1352         /* stats m (list number of times each command has been used, plus bytecount) */
1353         if (!strcmp(parameters[0],"m"))
1354         {
1355                 for (int i = 0; i < cmdlist.size(); i++)
1356                 {
1357                         if (cmdlist[i].handler_function)
1358                         {
1359                                 if (cmdlist[i].use_count)
1360                                 {
1361                                         /* RPL_STATSCOMMANDS */
1362                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1363                                 }
1364                         }
1365                 }
1366
1367         }
1368
1369         /* stats z (debug and memory info) */
1370         if (!strcmp(parameters[0],"z"))
1371         {
1372                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1373                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1374                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1375                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1376                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1377                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1378                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1379                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1380         }
1381
1382         /* stats o */
1383         if (!strcmp(parameters[0],"o"))
1384         {
1385                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1386                 {
1387                         char LoginName[MAXBUF];
1388                         char HostName[MAXBUF];
1389                         char OperType[MAXBUF];
1390                         ConfValue("oper","name",i,LoginName,&config_f);
1391                         ConfValue("oper","host",i,HostName,&config_f);
1392                         ConfValue("oper","type",i,OperType,&config_f);
1393                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1394                 }
1395         }
1396
1397         /* stats l (show user I/O stats) */
1398         if (!strcmp(parameters[0],"l"))
1399         {
1400                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1401                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1402                 {
1403                         if (isnick(i->second->nick))
1404                         {
1405                                 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);
1406                         }
1407                         else
1408                         {
1409                                 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);
1410                         }
1411
1412                 }
1413         }
1414
1415         /* stats u (show server uptime) */
1416         if (!strcmp(parameters[0],"u"))
1417         {
1418                 time_t current_time = 0;
1419                 current_time = TIME;
1420                 time_t server_uptime = current_time - startup_time;
1421                 struct tm* stime;
1422                 stime = gmtime(&server_uptime);
1423                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1424                  * Craig suggested this, and it seemed a good idea so in it went */
1425                 if (stime->tm_year > 70)
1426                 {
1427                         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);
1428                 }
1429                 else
1430                 {
1431                         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);
1432                 }
1433         }
1434
1435         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1436         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1437
1438 }
1439
1440 void handle_connect(char **parameters, int pcnt, userrec *user)
1441 {
1442         char Link_ServerName[1024];
1443         char Link_IPAddr[1024];
1444         char Link_Port[1024];
1445         char Link_Pass[1024];
1446         int LinkPort;
1447         bool found = false;
1448
1449         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1450         {
1451                 if (!found)
1452                 {
1453                         ConfValue("link","name",i,Link_ServerName,&config_f);
1454                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1455                         ConfValue("link","port",i,Link_Port,&config_f);
1456                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1457                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1458                         LinkPort = atoi(Link_Port);
1459                         if (match(Link_ServerName,parameters[0])) {
1460                                 found = true;
1461                                 break;
1462                         }
1463                 }
1464         }
1465
1466         if (!found) {
1467                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1468                 return;
1469         }
1470
1471         // TODO: Perform a check here to stop a server being linked twice!
1472
1473         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1474
1475         if (me[defaultRoute])
1476         {
1477                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1478                 return;
1479         }
1480         else
1481         {
1482                 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);
1483         }
1484 }
1485
1486 void handle_squit(char **parameters, int pcnt, userrec *user)
1487 {
1488         // send out an squit across the mesh and then clear the server list (for local squit)
1489         if (!pcnt)
1490         {
1491                 WriteOpers("SQUIT command issued by %s",user->nick);
1492                 char buffer[MAXBUF];
1493                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1494                 NetSendToAll(buffer);
1495                 DoSplitEveryone();
1496         }
1497         else
1498         {
1499                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1500         }
1501 }
1502
1503 void handle_links(char **parameters, int pcnt, userrec *user)
1504 {
1505         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1506         for (int j = 0; j < 32; j++)
1507         {
1508                 if (me[j] != NULL)
1509                 {
1510                         for (int k = 0; k < me[j]->connectors.size(); k++)
1511                         {
1512                                 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());
1513                         }
1514                 }
1515         }
1516         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1517 }
1518
1519 void handle_map(char **parameters, int pcnt, userrec *user)
1520 {
1521         char line[MAXBUF];
1522         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1523         while (strlen(line) < 50)
1524                 strcat(line," ");
1525         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1526         for (int j = 0; j < 32; j++)
1527         {
1528                 if (me[j] != NULL)
1529                 {
1530                         for (int k = 0; k < me[j]->connectors.size(); k++)
1531                         {
1532                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1533                                 while (strlen(line) < 50)
1534                                         strcat(line," ");
1535                                 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));
1536                         }
1537                 }
1538         }
1539         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1540 }
1541
1542 bool is_uline(const char* server)
1543 {
1544         char ServName[MAXBUF];
1545         int i,j;
1546
1547         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1548         {
1549                 ConfValue("uline","server",i,ServName,&config_f);
1550                 if (!strcasecmp(server,ServName))
1551                 {
1552                         return true;
1553                 }
1554         }
1555         return false;
1556 }
1557
1558
1559 void handle_oper(char **parameters, int pcnt, userrec *user)
1560 {
1561         char LoginName[MAXBUF];
1562         char Password[MAXBUF];
1563         char OperType[MAXBUF];
1564         char TypeName[MAXBUF];
1565         char HostName[MAXBUF];
1566         char TheHost[MAXBUF];
1567         int i,j;
1568         bool found = false;
1569         bool fail2 = false;
1570         char global[MAXBUF];
1571
1572         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1573
1574         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1575         {
1576                 ConfValue("oper","name",i,LoginName,&config_f);
1577                 ConfValue("oper","password",i,Password,&config_f);
1578                 ConfValue("oper","type",i,OperType,&config_f);
1579                 ConfValue("oper","host",i,HostName,&config_f);
1580                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1581                 {
1582                         fail2 = true;
1583                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1584                         {
1585                                 ConfValue("type","name",j,TypeName,&config_f);
1586
1587                                 if (!strcmp(TypeName,OperType))
1588                                 {
1589                                         /* found this oper's opertype */
1590                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1591                                         NetSendToAll(global);
1592                                         ConfValue("type","host",j,HostName,&config_f);
1593                                         ChangeDisplayedHost(user,HostName);
1594                                         strlcpy(user->oper,TypeName,NICKMAX);
1595                                         found = true;
1596                                         fail2 = false;
1597                                         break;
1598                                 }
1599                         }
1600                 }
1601                 if (found)
1602                         break;
1603         }
1604         if (found)
1605         {
1606                 /* correct oper credentials */
1607                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1608                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1609                 if (!strchr(user->modes,'o'))
1610                 {
1611                         strcat(user->modes,"o");
1612                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1613                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1614                         NetSendToAll(global);
1615                         FOREACH_MOD OnOper(user);
1616                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1617                 }
1618         }
1619         else
1620         {
1621                 if (!fail2)
1622                 {
1623                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1624                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1625                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1626                 }
1627                 else
1628                 {
1629                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1630                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1631                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1632                 }
1633         }
1634         return;
1635 }
1636
1637 void handle_nick(char **parameters, int pcnt, userrec *user)
1638 {
1639         if (pcnt < 1)
1640         {
1641                 log(DEBUG,"not enough params for handle_nick");
1642                 return;
1643         }
1644         if (!parameters[0])
1645         {
1646                 log(DEBUG,"invalid parameter passed to handle_nick");
1647                 return;
1648         }
1649         if (!strlen(parameters[0]))
1650         {
1651                 log(DEBUG,"zero length new nick passed to handle_nick");
1652                 return;
1653         }
1654         if (!user)
1655         {
1656                 log(DEBUG,"invalid user passed to handle_nick");
1657                 return;
1658         }
1659         if (!user->nick)
1660         {
1661                 log(DEBUG,"invalid old nick passed to handle_nick");
1662                 return;
1663         }
1664         if (!strcasecmp(user->nick,parameters[0]))
1665         {
1666                 log(DEBUG,"old nick is new nick, skipping");
1667                 return;
1668         }
1669         else
1670         {
1671                 if (strlen(parameters[0]) > 1)
1672                 {
1673                         if (parameters[0][0] == ':')
1674                         {
1675                                 *parameters[0]++;
1676                         }
1677                 }
1678                 if (matches_qline(parameters[0]))
1679                 {
1680                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1681                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1682                         return;
1683                 }
1684                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1685                 {
1686                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1687                         return;
1688                 }
1689         }
1690         if (isnick(parameters[0]) == 0)
1691         {
1692                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1693                 return;
1694         }
1695
1696         if (user->registered == 7)
1697         {
1698                 int MOD_RESULT = 0;
1699                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1700                 if (MOD_RESULT) {
1701                         // if a module returns true, the nick change is silently forbidden.
1702                         return;
1703                 }
1704
1705                 WriteCommon(user,"NICK %s",parameters[0]);
1706
1707                 // Q token must go to ALL servers!!!
1708                 char buffer[MAXBUF];
1709                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1710                 NetSendToAll(buffer);
1711         }
1712
1713         char oldnick[NICKMAX];
1714         strlcpy(oldnick,user->nick,NICKMAX);
1715
1716         /* change the nick of the user in the users_hash */
1717         user = ReHashNick(user->nick, parameters[0]);
1718         /* actually change the nick within the record */
1719         if (!user) return;
1720         if (!user->nick) return;
1721
1722         strlcpy(user->nick, parameters[0],NICKMAX);
1723
1724         log(DEBUG,"new nick set: %s",user->nick);
1725
1726         if (user->registered < 3)
1727         {
1728                 user->registered = (user->registered | 2);
1729                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1730                 // and unless we're lucky we'll get a duff one later on.
1731                 user->dns_done = (!lookup_dns(user->nick));
1732                 if (user->dns_done)
1733                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1734         }
1735         if (user->registered == 3)
1736         {
1737                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1738                 ConnectUser(user);
1739         }
1740         if (user->registered == 7)
1741         {
1742                 FOREACH_MOD OnUserPostNick(user,oldnick);
1743         }
1744 }
1745
1746
1747
1748 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1749 {
1750         char* src = strtok(params," ");
1751         char* dest = strtok(NULL," :");
1752         char* text = strtok(NULL,"\r\n");
1753         text++;
1754
1755         userrec* user = Find(src);
1756         if (user)
1757         {
1758                 userrec* dst = Find(dest);
1759
1760                 if (dst)
1761                 {
1762                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1763                 }
1764                 else
1765                 {
1766                         chanrec* d = FindChan(dest);
1767                         if (d)
1768                         {
1769                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1770                         }
1771                 }
1772         }
1773
1774 }
1775
1776
1777 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1778 {
1779         char* src = strtok(params," ");
1780         char* dest = strtok(NULL," :");
1781         char* text = strtok(NULL,"\r\n");
1782         text++;
1783
1784         userrec* user = Find(src);
1785         if (user)
1786         {
1787                 userrec* dst = Find(dest);
1788
1789                 if (dst)
1790                 {
1791                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1792                 }
1793                 else
1794                 {
1795                         chanrec* d = FindChan(dest);
1796                         if (d)
1797                         {
1798                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1799                         }
1800                 }
1801         }
1802
1803 }
1804
1805 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1806 {
1807         char* nick = strtok(params," ");
1808         char* from = strtok(NULL," ");
1809         char* channel = strtok(NULL," ");
1810         userrec* u = Find(nick);
1811         userrec* user = Find(from);
1812         chanrec* c = FindChan(channel);
1813         if ((c) && (u) && (user))
1814         {
1815                 u->InviteTo(c->name);
1816                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1817         }
1818 }
1819
1820 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1821 {
1822         char* setby = strtok(params," ");
1823         char* channel = strtok(NULL," :");
1824         char* topic = strtok(NULL,"\r\n");
1825         topic++;
1826         userrec* u = Find(setby);
1827         chanrec* c = FindChan(channel);
1828         if ((c) && (u))
1829         {
1830                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1831                 strlcpy(c->topic,topic,MAXTOPIC);
1832                 strlcpy(c->setby,u->nick,NICKMAX);
1833                 c->topicset = TIME;
1834         }
1835 }
1836
1837
1838 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1839 {
1840         char* tm = strtok(params," ");
1841         char* setby = strtok(NULL," ");
1842         char* channel = strtok(NULL," :");
1843         char* topic = strtok(NULL,"\r\n");
1844         topic++;
1845         time_t TS = atoi(tm);
1846         chanrec* c = FindChan(channel);
1847         if (c)
1848         {
1849                 // in the case of topics and TS, the *NEWER*
1850                 if (TS <= c->topicset)
1851                 {
1852                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1853                         strlcpy(c->topic,topic,MAXTOPIC);
1854                         strlcpy(c->setby,setby,NICKMAX);
1855                 }
1856         }
1857 }
1858
1859 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1860 {
1861         char* pars[128];
1862         char original[MAXBUF],target[MAXBUF];
1863         strlcpy(original,params,MAXBUF);
1864         int index = 0;
1865         char* parameter = strtok(params," ");
1866         strlcpy(target,parameter,MAXBUF);
1867         while (parameter)
1868         {
1869                 if (parameter[0] == ':')
1870                         parameter++;
1871                 pars[index++] = parameter;
1872                 parameter = strtok(NULL," ");
1873         }
1874         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1875         merge_mode(pars,index);
1876         if (FindChan(target))
1877         {
1878                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1879         }
1880         if (Find(target))
1881         {
1882                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1883         }
1884 }
1885
1886 // m is modes set by users only (not servers) valid targets are channels or users.
1887
1888 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1889 {
1890         // m blah #chatspike +b *!test@*4
1891         char* pars[128];
1892         char original[MAXBUF];
1893         strlcpy(original,params,MAXBUF);
1894
1895         if (!strchr(params,' '))
1896         {
1897                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1898                 return;
1899         }
1900
1901         int index = 0;
1902
1903         char* src = strtok(params," ");
1904         userrec* user = Find(src);
1905
1906         if (user)
1907         {
1908                 log(DEBUG,"Found user: %s",user->nick);
1909                 char* parameter = strtok(NULL," ");
1910                 while (parameter)
1911                 {
1912                         pars[index++] = parameter;
1913                         parameter = strtok(NULL," ");
1914                 }
1915
1916                 log(DEBUG,"Calling merge_mode2");
1917                 merge_mode2(pars,index,user);
1918         }
1919 }
1920
1921
1922 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1923 {
1924         char* nick = strtok(params," ");
1925         char* channel = strtok(NULL," :");
1926         char* reason = strtok(NULL,"\r\n");
1927         userrec* user = Find(nick);
1928         reason++;
1929         if (user)
1930         {
1931                 if (strcmp(reason,""))
1932                 {
1933                         del_channel(user,channel,reason,true);
1934                 }
1935                 else
1936                 {
1937                         del_channel(user,channel,NULL,true);
1938                 }
1939         }
1940 }
1941
1942 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1943 {
1944         char* src = strtok(params," ");
1945         char* nick = strtok(NULL," :");
1946         char* reason = strtok(NULL,"\r\n");
1947         char kreason[MAXBUF];
1948         reason++;
1949
1950         userrec* u = Find(nick);
1951         userrec* user = Find(src);
1952
1953         if ((user) && (u))
1954         {
1955                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
1956                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
1957                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
1958                 kill_link(u,kreason);
1959         }
1960 }
1961
1962 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1963 {
1964         char* nick = strtok(params," :");
1965         char* reason = strtok(NULL,"\r\n");
1966         reason++;
1967
1968         userrec* user = Find(nick);
1969
1970         if (user)
1971         {
1972                 if (strlen(reason)>MAXQUIT)
1973                 {
1974                         reason[MAXQUIT-1] = '\0';
1975                 }
1976
1977
1978                 WriteCommonExcept(user,"QUIT :%s",reason);
1979
1980                 user_hash::iterator iter = clientlist.find(user->nick);
1981
1982                 if (iter != clientlist.end())
1983                 {
1984                         log(DEBUG,"deleting user hash value %d",iter->second);
1985                         if ((iter->second) && (user->registered == 7)) {
1986                                 delete iter->second;
1987                         }
1988                         clientlist.erase(iter);
1989                 }
1990
1991                 purge_empty_chans();
1992         }
1993 }
1994
1995 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1996 {
1997         char* oldnick = strtok(params," ");
1998         char* newnick = strtok(NULL," ");
1999
2000         userrec* user = Find(oldnick);
2001
2002         if (user)
2003         {
2004                 WriteCommon(user,"NICK %s",newnick);
2005                 if (is_uline(tcp_host))
2006                 {
2007                         int MOD_RESULT = 0;
2008                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2009                         if (MOD_RESULT) {
2010                                 // if a module returns true, the nick change couldnt be allowed
2011                                 kill_link(user,"Nickname collision");
2012                                 return;
2013                         }
2014                         if (matches_qline(newnick))
2015                         {
2016                                 kill_link(user,"Nickname collision");
2017                                 return;
2018                         }
2019
2020                         // broadcast this because its a services thingy
2021                         char buffer[MAXBUF];
2022                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2023                         NetSendToAll(buffer);
2024                 }
2025                 user = ReHashNick(user->nick, newnick);
2026                 if (!user) return;
2027                 if (!user->nick) return;
2028                 strlcpy(user->nick, newnick,NICKMAX);
2029                 log(DEBUG,"new nick set: %s",user->nick);
2030         }
2031 }
2032
2033 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2034 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2035 {
2036         char* src = strtok(params," ");
2037         char* dest = strtok(NULL," ");
2038         char* channel = strtok(NULL," :");
2039         char* reason = strtok(NULL,"\r\n");
2040         reason++;
2041         userrec* s = Find(src);
2042         userrec* d = Find(dest);
2043         chanrec* c = FindChan(channel);
2044         if ((s) && (d) && (c))
2045         {
2046                 kick_channel(s,d,c,reason);
2047                 return;
2048         }
2049         d = Find(channel);
2050         c = FindChan(dest);
2051         if ((s) && (d) && (c))
2052         {
2053                 kick_channel(s,d,c,reason);
2054                 return;
2055         }
2056 }
2057
2058 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2059 {
2060         char* who = strtok(params," :");
2061         char* text = strtok(NULL,"\r\n");
2062         text++;
2063         userrec* s = Find(who);
2064         if (s)
2065         {
2066                 WriteWallOps(s,true,text);
2067         }
2068 }
2069
2070 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2071 {
2072         log(DEBUG,"Adding ULined server %s to my map",params);
2073         ircd_connector s;
2074         s.SetState(STATE_DISCONNECTED);
2075         s.SetServerName(params);
2076
2077         for (int j = 0; j < 32; j++)
2078         {
2079                 if (me[j] != NULL)
2080                 {
2081                         for (int k = 0; k < me[j]->connectors.size(); k++)
2082                         {
2083                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2084                                 {
2085                                         // dont allow a server to be added twice
2086                                         log(DEBUG,"ULined server %s already in the map!",params);
2087                                         return;
2088                                 }
2089                         }
2090                 }
2091         }
2092
2093         source->connectors.push_back(s);
2094         WriteOpers("Non-Mesh server %s has joined the network",params);
2095 }
2096
2097 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2098 {
2099         char* tm = strtok(params," ");
2100         char* nick = strtok(NULL," ");
2101         char* host = strtok(NULL," ");
2102         char* dhost = strtok(NULL," ");
2103         char* ident = strtok(NULL," ");
2104         char* modes = strtok(NULL," ");
2105         char* ipaddr = strtok(NULL," ");
2106         char* server = strtok(NULL," :");
2107         char* gecos = strtok(NULL,"\r\n");
2108         gecos++;
2109         modes++;
2110         time_t TS = atoi(tm);
2111         user_hash::iterator iter = clientlist.find(nick);
2112         if (iter != clientlist.end())
2113         {
2114                 // nick collision
2115                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2116                 char str[MAXBUF];
2117                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2118                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2119                 kill_link(iter->second,str);
2120         }
2121         clientlist[nick] = new userrec();
2122         // remote users have an fd of -1. This is so that our Write abstraction
2123         // routines know to route any messages to this record away to whatever server
2124         // theyre on.
2125         clientlist[nick]->fd = -1;
2126         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2127         strlcpy(clientlist[nick]->host, host,160);
2128         strlcpy(clientlist[nick]->dhost, dhost,160);
2129         strlcpy(clientlist[nick]->server, server,256);
2130         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2131         strlcpy(clientlist[nick]->fullname, gecos,128);
2132         clientlist[nick]->signon = TS;
2133         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2134         clientlist[nick]->lastping = 1;
2135         clientlist[nick]->port = 0; // so is this...
2136         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2137         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2138         for (int i = 0; i < MAXCHANS; i++)
2139         {
2140                 clientlist[nick]->chans[i].channel = NULL;
2141                 clientlist[nick]->chans[i].uc_modes = 0;
2142         }
2143 }
2144
2145 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2146 {
2147         long tdiff = TIME - atoi(params);
2148         if (tdiff)
2149                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2150 }
2151
2152 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2153 {
2154         char* nick = strtok(params," :");
2155         char* gecos = strtok(NULL,"\r\n");
2156
2157         userrec* user = Find(nick);
2158
2159         if (user)
2160                 strlcpy(user->fullname,gecos,MAXBUF);
2161 }
2162
2163 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2164 {
2165         char* nick = strtok(params," ");
2166         char* host = strtok(NULL," ");
2167
2168         userrec* user = Find(nick);
2169
2170         if (user)
2171                 strlcpy(user->dhost,host,160);
2172 }
2173
2174 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2175 {
2176         // %s %s %d %d
2177         // + test3.chatspike.net 7010 -2016508415
2178         char* servername = strtok(params," ");
2179         char* ipaddr = strtok(NULL," ");
2180         char* ipport = strtok(NULL," ");
2181         char* cookie = strtok(NULL," ");
2182         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2183
2184
2185         bool conn_already = false;
2186         for (int i = 0; i < 32; i++)
2187         {
2188                 if (me[i] != NULL)
2189                 {
2190                         for (int j = 0; j < me[i]->connectors.size(); j++)
2191                         {
2192                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2193                                 {
2194                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2195                                         {
2196                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2197                                                 conn_already = true;
2198                                         }
2199                                 }
2200                         }
2201                 }
2202         }
2203         if (!conn_already)
2204                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2205 }
2206
2207 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2208 {
2209         char* server = strtok(params," ");
2210         char* data = strtok(NULL,"\r\n");
2211         if ((!data) || (!server))
2212         {
2213                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2214                 return;
2215         }
2216
2217         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2218         NetSendToOne(server,data);
2219 }
2220
2221 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2222 {
2223         // IMPORTANT NOTE
2224         // The J token currently has no timestamp - this needs looking at
2225         // because it will allow splitriding.
2226         char* nick = strtok(params," ");
2227         char* channel = strtok(NULL," ");
2228         userrec* user = Find(nick);
2229         while (channel)
2230         {
2231                 if ((user != NULL) && (strcmp(channel,"")))
2232                 {
2233                         char privilage = '\0';
2234                         if (channel[0] != '#')
2235                         {
2236                                 privilage = channel[0];
2237                                 channel++;
2238                         }
2239                         add_channel(user,channel,"",true);
2240
2241                         // now work out the privilages they should have on each channel
2242                         // and send the appropriate servermodes.
2243                         for (int i = 0; i != MAXCHANS; i++)
2244                         {
2245                                 if (user->chans[i].channel)
2246                                 {
2247                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2248                                         {
2249                                                 if (privilage == '@')
2250                                                 {
2251                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2252                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2253                                                 }
2254                                                 if (privilage == '%')
2255                                                 {
2256                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2257                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2258                                                 }
2259                                                 if (privilage == '+')
2260                                                 {
2261                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2262                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2263                                                 }
2264                                         }
2265                                 }
2266                         }
2267
2268                 }
2269                 channel = strtok(NULL," ");
2270         }
2271 }
2272
2273 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2274 {
2275         log(DEBUG,"Storing routing table...");
2276         char* sourceserver = strtok(params," ");
2277         char* server = strtok(NULL," ");
2278         for (int i = 0; i < 32; i++)
2279         {
2280                 if (me[i] != NULL)
2281                 {
2282                         for (int j = 0; j < me[i]->connectors.size(); j++)
2283                         {
2284                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2285                                 {
2286                                         me[i]->connectors[j].routes.clear();
2287                                         log(DEBUG,"Found entry for source server.");
2288                                         while (server)
2289                                         {
2290                                                 // store each route
2291                                                 me[i]->connectors[j].routes.push_back(server);
2292                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2293                                                 server = strtok(NULL," ");
2294                                         }
2295                                         return;
2296                                 }
2297                         }
2298                 }
2299         }
2300         log(DEBUG,"Warning! routing table received from nonexistent server!");
2301 }
2302
2303 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2304 {
2305         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2306         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2307         bool go_again = true;
2308         while (go_again)
2309         {
2310                 go_again = false;
2311                 for (int i = 0; i < 32; i++)
2312                 {
2313                         if (me[i] != NULL)
2314                         {
2315                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2316                                 {
2317                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2318                                         {
2319                                                 j->routes.clear();
2320                                                 j->CloseConnection();
2321                                                 me[i]->connectors.erase(j);
2322                                                 go_again = true;
2323                                                 break;
2324                                         }
2325                                 }
2326                         }
2327                 }
2328         }
2329         log(DEBUG,"Removed server. Will remove clients...");
2330         // iterate through the userlist and remove all users on this server.
2331         // because we're dealing with a mesh, we dont have to deal with anything
2332         // "down-route" from this server (nice huh)
2333         go_again = true;
2334         char reason[MAXBUF];
2335         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2336         while (go_again)
2337         {
2338                 go_again = false;
2339                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2340                 {
2341                         if (!strcasecmp(u->second->server,params))
2342                         {
2343                                 kill_link(u->second,reason);
2344                                 go_again = true;
2345                                 break;
2346                         }
2347                 }
2348         }
2349 }
2350
2351 long authcookie;
2352
2353 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2354 {
2355         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2356         log(DEBUG,"Adding G-line");
2357         char* mask = strtok(params," ");
2358         char* who = strtok(NULL," ");
2359         char* create_time = strtok(NULL," ");
2360         char* duration = strtok(NULL," :");
2361         char* reason = strtok(NULL,"\r\n");
2362         add_gline(atoi(duration),who,reason,mask);
2363         // we must update the creation time on this gline
2364         // now that we've added it, or it wont expire at the right time.
2365         gline_set_creation_time(mask,atoi(create_time));
2366         if (!atoi(duration))
2367         {
2368                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2369         }
2370         else
2371         {
2372                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2373         }
2374         apply_lines();
2375 }
2376
2377 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2378 {
2379         log(DEBUG,"Removing G-line");
2380         char* mask = strtok(params," ");
2381         char* who = strtok(NULL," ");
2382         if (mask)
2383         {
2384                 if (del_gline(mask))
2385                 {
2386                         if (who)
2387                         {
2388                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2389                         }
2390                 }
2391         }
2392 }
2393
2394 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2395 {
2396         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2397         log(DEBUG,"Adding Q-line");
2398         char* mask = strtok(params," ");
2399         char* who = strtok(NULL," ");
2400         char* create_time = strtok(NULL," ");
2401         char* duration = strtok(NULL," :");
2402         char* reason = strtok(NULL,"\r\n");
2403         add_qline(atoi(duration),who,reason,mask);
2404         // we must update the creation time on this gline
2405         // now that we've added it, or it wont expire at the right time.
2406         qline_set_creation_time(mask,atoi(create_time));
2407         qline_make_global(mask);
2408         if (!atoi(duration))
2409         {
2410                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2411         }
2412         else
2413         {
2414                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2415         }
2416         apply_lines();
2417 }
2418
2419 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2420 {
2421         log(DEBUG,"Removing Q-line");
2422         char* mask = strtok(params," ");
2423         char* who = strtok(NULL," ");
2424         if (mask)
2425         {
2426                 if (del_qline(mask))
2427                 {
2428                         if (who)
2429                         {
2430                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2431                         }
2432                 }
2433         }
2434 }
2435
2436 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2437 {
2438         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2439         log(DEBUG,"Adding Z-line");
2440         char* mask = strtok(params," ");
2441         char* who = strtok(NULL," ");
2442         char* create_time = strtok(NULL," ");
2443         char* duration = strtok(NULL," :");
2444         char* reason = strtok(NULL,"\r\n");
2445         add_zline(atoi(duration),who,reason,mask);
2446         // we must update the creation time on this gline
2447         // now that we've added it, or it wont expire at the right time.
2448         zline_set_creation_time(mask,atoi(create_time));
2449         zline_make_global(mask);
2450         if (!atoi(duration))
2451         {
2452                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2453         }
2454         else
2455         {
2456                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2457         }
2458         apply_lines();
2459 }
2460
2461 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2462 {
2463         log(DEBUG,"Removing Z-line");
2464         char* mask = strtok(params," ");
2465         char* who = strtok(NULL," ");
2466         if (mask)
2467         {
2468                 if (del_zline(mask))
2469                 {
2470                         if (who)
2471                         {
2472                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2473                         }
2474                 }
2475         }
2476 }
2477
2478 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2479 {
2480         char* nick = strtok(params," ");
2481         char* type = strtok(params," ");
2482         userrec* u = Find(nick);
2483         if (u)
2484         {
2485                 strlcpy(u->oper,type,NICKMAX);
2486         }
2487 }
2488
2489
2490 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2491 {
2492         char buffer[MAXBUF];
2493
2494         switch(token)
2495         {
2496                 // Y <TS>
2497                 // start netburst
2498                 case 'Y':
2499                         nb_start = TIME;
2500                         WriteOpers("Server %s is starting netburst.",tcp_host);
2501                         // now broadcast this new servers address out to all servers that are linked to us,
2502                         // except the newcomer. They'll all attempt to connect back to it.
2503                         authcookie = rand()*rand();
2504                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2505                         NetSendToAll(buffer);
2506                 break;
2507                 // ~
2508                 // Store authcookie
2509                 // once stored, this authcookie permits other servers to log in
2510                 // without user or password, using it.
2511                 case '~':
2512                         auth_cookies.push_back(atoi(params));
2513                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2514                 break;
2515                 // connect back to a server using an authcookie
2516                 case '+':
2517                         handle_plus(token,params,source,reply,tcp_host);
2518                 break;
2519                 // routing table
2520                 case '$':
2521                         handle_dollar(token,params,source,reply,tcp_host);
2522                 break;
2523                 // node unreachable - we cant route to a server, sooooo we slit it off.
2524                 // servers can generate these for themselves for an squit.
2525                 case '&':
2526                         handle_amp(token,params,source,reply,tcp_host);
2527                 break;
2528                 // R <server> <data>
2529                 // redirect token, send all of <data> along to the given
2530                 // server as this server has been found to still have a route to it
2531                 case 'R':
2532                         handle_R(token,params,source,reply,tcp_host);
2533                 break;
2534                 // ?
2535                 // ping
2536                 case '?':
2537                         reply->SendPacket("!",tcp_host);
2538                 break;
2539                 // ?
2540                 // pong
2541                 case '!':
2542                 break;
2543                 // *
2544                 // no operation
2545                 case '*':
2546                 break;
2547                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2548                 // introduce remote client
2549                 case 'N':
2550                         handle_N(token,params,source,reply,tcp_host);
2551                 break;
2552                 // a <NICK> :<GECOS>
2553                 // change GECOS (SETNAME)
2554                 case 'a':
2555                         handle_a(token,params,source,reply,tcp_host);
2556                 break;
2557                 // b <NICK> :<HOST>
2558                 // change displayed host (SETHOST)
2559                 case 'b':
2560                         handle_b(token,params,source,reply,tcp_host);
2561                 break;
2562                 // t <NICK> <CHANNEL> :<TOPIC>
2563                 // change a channel topic
2564                 case 't':
2565                         handle_t(token,params,source,reply,tcp_host);
2566                 break;
2567                 // i <NICK> <CHANNEL>
2568                 // invite a user to a channel
2569                 case 'i':
2570                         handle_i(token,params,source,reply,tcp_host);
2571                 break;
2572                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2573                 // kick a user from a channel
2574                 case 'k':
2575                         handle_k(token,params,source,reply,tcp_host);
2576                 break;
2577                 // n <NICK> <NEWNICK>
2578                 // change nickname of client -- a server should only be able to
2579                 // change the nicknames of clients that reside on it unless
2580                 // they are ulined.
2581                 case 'n':
2582                         handle_n(token,params,source,reply,tcp_host);
2583                 break;
2584                 // J <NICK> <CHANLIST>
2585                 // Join user to channel list, merge channel permissions
2586                 case 'J':
2587                         handle_J(token,params,source,reply,tcp_host);
2588                 break;
2589                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2590                 // change channel topic (netburst only)
2591                 case 'T':
2592                         handle_T(token,params,source,reply,tcp_host);
2593                 break;
2594                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2595                 // Server setting modes on an object
2596                 case 'M':
2597                         handle_M(token,params,source,reply,tcp_host);
2598                 break;
2599                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2600                 // User setting modes on an object
2601                 case 'm':
2602                         handle_m(token,params,source,reply,tcp_host);
2603                 break;
2604                 // P <SOURCE> <TARGET> :<TEXT>
2605                 // Send a private/channel message
2606                 case 'P':
2607                         handle_P(token,params,source,reply,tcp_host);
2608                 break;
2609                 // V <SOURCE> <TARGET> :<TEXT>
2610                 // Send a private/channel notice
2611                 case 'V':
2612                         handle_V(token,params,source,reply,tcp_host);
2613                 break;
2614                 // L <SOURCE> <CHANNEL> :<REASON>
2615                 // User parting a channel
2616                 case 'L':
2617                         handle_L(token,params,source,reply,tcp_host);
2618                 break;
2619                 // Q <SOURCE> :<REASON>
2620                 // user quitting
2621                 case 'Q':
2622                         handle_Q(token,params,source,reply,tcp_host);
2623                 break;
2624                 // H <SERVER>
2625                 // introduce non-meshable server (such as a services server)
2626                 case 'H':
2627                         handle_H(token,params,source,reply,tcp_host);
2628                 break;
2629                 // K <SOURCE> <DEST> :<REASON>
2630                 // remote kill
2631                 case 'K':
2632                         handle_K(token,params,source,reply,tcp_host);
2633                 break;
2634                 // @ <SOURCE> :<TEXT>
2635                 // wallops
2636                 case '@':
2637                         handle_AT(token,params,source,reply,tcp_host);
2638                 break;
2639                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2640                 // add gline
2641                 case '#':
2642                         handle_hash(token,params,source,reply,tcp_host);
2643                 break;
2644                 // . <mask> <who>
2645                 // remove gline
2646                 case '.':
2647                         handle_dot(token,params,source,reply,tcp_host);
2648                 break;
2649                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2650                 // add gline
2651                 case '{':
2652                         handle_add_sqline(token,params,source,reply,tcp_host);
2653                 break;
2654                 // . <mask> <who>
2655                 // remove gline
2656                 case '[':
2657                         handle_del_sqline(token,params,source,reply,tcp_host);
2658                 break;
2659                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2660                 // add gline
2661                 case '}':
2662                         handle_add_szline(token,params,source,reply,tcp_host);
2663                 break;
2664                 // . <mask> <who>
2665                 // remove gline
2666                 case ']':
2667                         handle_del_szline(token,params,source,reply,tcp_host);
2668                 break;
2669                 // | <nick> <opertype>
2670                 // set opertype
2671                 case '|':
2672                         handle_pipe(token,params,source,reply,tcp_host);
2673                 break;
2674                 // F <TS>
2675                 // end netburst
2676                 case 'F':
2677                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2678                         handle_F(token,params,source,reply,tcp_host);
2679                         nb_start = 0;
2680                         // tell all the other servers to use this authcookie to connect back again
2681                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2682                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2683                         NetSendToAllExcept(tcp_host,buffer);
2684                 break;
2685                 case '/':
2686                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2687                         strlcpy(source->nickserv,params,NICKMAX);
2688                 break;
2689                 // F <TS>
2690                 // end netburst with no mesh creation
2691                 case 'f':
2692                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2693                         handle_F(token,params,source,reply,tcp_host);
2694                         nb_start = 0;
2695                         // tell everyone else about the new server name so they just add it in the disconnected
2696                         // state
2697                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2698                         NetSendToAllExcept(tcp_host,buffer);
2699                 break;
2700                 // X <reserved>
2701                 // Send netburst now
2702                 case 'X':
2703                         WriteOpers("Sending my netburst to %s",tcp_host);
2704                         DoSync(source,tcp_host);
2705                         WriteOpers("Send of netburst to %s completed",tcp_host);
2706                         NetSendMyRoutingTable();
2707                 break;
2708                 // anything else
2709                 default:
2710                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2711                 break;
2712         }
2713 }
2714
2715
2716 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2717 {
2718         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2719         {
2720                 // a user on a server port, just close their connection.
2721                 RemoveServer(tcp_host);
2722                 return;
2723         }
2724
2725         char response[10240];
2726         char token = udp_msg[0];
2727         char* old = udp_msg;
2728
2729         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2730         {
2731                 char* src = udp_msg+1;
2732                 while (udp_msg[0] != ' ')
2733                         udp_msg++;
2734                 udp_msg[0] = 0;
2735                 udp_msg++;
2736                 char* comd = udp_msg;
2737                 while (udp_msg[0] != ' ')
2738                         udp_msg++;
2739                 udp_msg[0] = 0;
2740                 udp_msg++;
2741                 char data[MAXBUF];
2742                 char source[MAXBUF];
2743                 char command[MAXBUF];
2744                 strlcpy(data,udp_msg,512);
2745                 strlcpy(source,src,MAXBUF);
2746                 strlcpy(command,comd,MAXBUF);
2747                 udp_msg = old;
2748
2749                 // unused numeric:
2750                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2751                 if (!strcmp(command,"433"))
2752                 {
2753                         token = '*';
2754                 }
2755                 if (!strcmp(command,"432"))
2756                 {
2757                         token = '*';
2758                 }
2759                 if (!strcmp(command,"NOTICE"))
2760                 {
2761                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2762                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2763                         token = udp_msg[0];
2764                 }
2765                 if (!strcmp(command,"QUIT"))
2766                 {
2767                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2768                         {
2769                                 strcpy(data,":No reason");
2770                         }
2771                         if (!strcmp(data,":"))
2772                         {
2773                                 strcpy(data,":No reason");
2774                         }
2775                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2776                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2777                         token = udp_msg[0];
2778                 }
2779                 if (!strcmp(command,"SQUIT"))
2780                 {
2781                         snprintf(udp_msg,MAXBUF,"& %s",source);
2782                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2783                         token = udp_msg[0];
2784                 }
2785                 if (!strcmp(command,"SVSMODE"))
2786                 {
2787                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2788                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2789                         token = udp_msg[0];
2790                 }
2791                 if (!strcmp(command,"SVS2MODE"))
2792                 {
2793                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2794                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2795                         token = udp_msg[0];
2796                 }
2797                 // todo: this wont work without u:lines
2798                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2799                 if (!strcmp(command,"MODE"))
2800                 {
2801                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2802                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2803                         token = udp_msg[0];
2804                 }
2805                 if (!strcmp(command,"KICK"))
2806                 {
2807                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2808                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2809                         token = udp_msg[0];
2810                 }
2811                 if (!strcmp(command,"KILL"))
2812                 {
2813                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2814                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2815                         token = udp_msg[0];
2816                 }
2817                 if (!strcmp(command,"SVSJOIN"))
2818                 {
2819                         snprintf(udp_msg,MAXBUF,"J %s",data);
2820                         NetSendToOne(tcp_host,udp_msg);
2821                         char* nick = strtok(data," ");
2822                         char* chan = strtok(NULL," ");
2823                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2824                         userrec* u = Find(nick);
2825                         if (u)
2826                         {
2827                                 add_channel(u,chan,"",true);
2828                         }
2829                         token = udp_msg[0];
2830                 }
2831
2832         }
2833
2834
2835         char* params = udp_msg + 2;
2836         char finalparam[1024];
2837         strcpy(finalparam," :xxxx");
2838         if (strstr(udp_msg," :")) {
2839                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2840         }
2841
2842
2843         if (token == '-') {
2844                 char* cookie = strtok(params," ");
2845                 char* servername = strtok(NULL," ");
2846                 char* serverdesc = finalparam+2;
2847
2848                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2849
2850                 for (int u = 0; u < auth_cookies.size(); u++)
2851                 {
2852                         if (auth_cookies[u] == atoi(cookie))
2853                         {
2854                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2855
2856
2857                                 for (int j = 0; j < 32; j++)
2858                                 {
2859                                         if (me[j] != NULL)
2860                                         {
2861                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2862                                                 {
2863                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2864                                                         {
2865                                                                 me[j]->connectors[k].SetServerName(servername);
2866                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2867                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2868                                                                 NetSendMyRoutingTable();
2869                                                                 return;
2870                                                         }
2871                                                 }
2872                                         }
2873                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2874                                         return;
2875                                 }
2876
2877
2878                                 return;
2879                         }
2880                 }
2881                 // bad cookie, bad bad! go sit in the corner!
2882                 WriteOpers("Bad cookie from %s!",servername);
2883                 return;
2884         }
2885         else
2886         if (token == 'S') {
2887                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2888                 char* servername = strtok(params," ");
2889                 char* password = strtok(NULL," ");
2890                 char* myport = strtok(NULL," ");
2891                 char* revision = strtok(NULL," ");
2892                 char* serverdesc = finalparam+2;
2893
2894                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2895
2896                 ircd_connector* cn = serv->FindHost(servername);
2897
2898                 if (cn)
2899                 {
2900                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2901                         char buffer[MAXBUF];
2902                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2903                         serv->SendPacket(buffer,tcp_host);
2904                         RemoveServer(tcp_host);
2905                         return;
2906                 }
2907
2908                 if (atoi(revision) != GetRevision())
2909                 {
2910                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2911                         char buffer[MAXBUF];
2912                         sprintf(buffer,"E :Version number mismatch");
2913                         serv->SendPacket(buffer,tcp_host);
2914                         RemoveServer(tcp_host);
2915                         RemoveServer(servername);
2916                         return;
2917                 }
2918
2919                 for (int j = 0; j < serv->connectors.size(); j++)
2920                 {
2921                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2922                         {
2923                                 serv->connectors[j].SetServerName(servername);
2924                                 serv->connectors[j].SetDescription(serverdesc);
2925                                 serv->connectors[j].SetServerPort(atoi(myport));
2926                         }
2927                 }
2928
2929
2930                 char Link_ServerName[1024];
2931                 char Link_IPAddr[1024];
2932                 char Link_Port[1024];
2933                 char Link_Pass[1024];
2934                 char Link_SendPass[1024];
2935                 int LinkPort = 0;
2936
2937                 // search for a corresponding <link> block in the config files
2938                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2939                 {
2940                         ConfValue("link","name",i,Link_ServerName,&config_f);
2941                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2942                         ConfValue("link","port",i,Link_Port,&config_f);
2943                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2944                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2945                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2946                         LinkPort = atoi(Link_Port);
2947                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2948                         {
2949                                 // we have a matching link line -
2950                                 // send a 'diminutive' server message back...
2951                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
2952                                 serv->SendPacket(response,servername);
2953
2954                                 for (int t = 0; t < serv->connectors.size(); t++)
2955                                 {
2956                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
2957                                         {
2958                                                 serv->connectors[t].SetState(STATE_CONNECTED);
2959                                         }
2960                                 }
2961
2962                                 return;
2963                         }
2964                 }
2965                 char buffer[MAXBUF];
2966                 sprintf(buffer,"E :Access is denied (no matching link block)");
2967                 serv->SendPacket(buffer,tcp_host);
2968                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2969                 RemoveServer(tcp_host);
2970                 RemoveServer(servername);
2971                 return;
2972         }
2973         else
2974         if (token == 's') {
2975                 // S test.chatspike.net password :ChatSpike InspIRCd test server
2976                 char* servername = strtok(params," ");
2977                 char* password = strtok(NULL," ");
2978                 char* serverdesc = finalparam+2;
2979
2980                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
2981                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
2982                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
2983                 // a connect, so put out an oper alert!
2984
2985                 // for now, just accept all, we'll fix that later.
2986                 WriteOpers("%s accepted our link credentials ",servername);
2987
2988                 char Link_ServerName[1024];
2989                 char Link_IPAddr[1024];
2990                 char Link_Port[1024];
2991                 char Link_Pass[1024];
2992                 char Link_SendPass[1024];
2993                 int LinkPort = 0;
2994
2995                 // search for a corresponding <link> block in the config files
2996                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2997                 {
2998                         ConfValue("link","name",i,Link_ServerName,&config_f);
2999                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3000                         ConfValue("link","port",i,Link_Port,&config_f);
3001                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3002                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3003                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3004                         LinkPort = atoi(Link_Port);
3005                         if (!strcasecmp(Link_ServerName,servername))
3006                         {
3007                                 // matching link at this end too, we're all done!
3008                                 // at this point we must begin key exchange and insert this
3009                                 // server into our 'active' table.
3010                                 for (int j = 0; j < 32; j++)
3011                                 {
3012                                         if (me[j] != NULL)
3013                                         {
3014                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3015                                                 {
3016                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3017                                                         {
3018                                                                 char buffer[MAXBUF];
3019                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3020                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3021                                                                 sprintf(buffer,"X 0");
3022                                                                 serv->SendPacket(buffer,tcp_host);
3023                                                                 DoSync(me[j],tcp_host);
3024                                                                 NetSendMyRoutingTable();
3025                                                                 return;
3026                                                         }
3027                                                 }
3028                                         }
3029                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3030                                         return;
3031                                 }
3032                         }
3033                         else {
3034                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3035                         }
3036                 }
3037                 char buffer[MAXBUF];
3038                 sprintf(buffer,"E :Access is denied (no matching link block)");
3039                 serv->SendPacket(buffer,tcp_host);
3040                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3041                 RemoveServer(tcp_host);
3042                 RemoveServer(servername);
3043                 return;
3044         }
3045         else
3046         if (token == 'U') {
3047                 // U services.chatspike.net password :ChatSpike Services
3048                 //
3049                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3050                 char* servername = strtok(params," ");
3051                 char* password = strtok(NULL," ");
3052                 char* serverdesc = finalparam+2;
3053
3054                 char Link_ServerName[1024];
3055                 char Link_IPAddr[1024];
3056                 char Link_Port[1024];
3057                 char Link_Pass[1024];
3058                 char Link_SendPass[1024];
3059                 int LinkPort = 0;
3060
3061                 // search for a corresponding <link> block in the config files
3062                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3063                 {
3064                         ConfValue("link","name",i,Link_ServerName,&config_f);
3065                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3066                         ConfValue("link","port",i,Link_Port,&config_f);
3067                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3068                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3069                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3070                         LinkPort = atoi(Link_Port);
3071                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3072                         {
3073                                 // matching link at this end too, we're all done!
3074                                 // at this point we must begin key exchange and insert this
3075                                 // server into our 'active' table.
3076                                 for (int j = 0; j < 32; j++)
3077                                 {
3078                                         if (me[j] != NULL)
3079                                         {
3080                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3081                                                 {
3082                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3083                                                         {
3084                                                                 char buffer[MAXBUF];
3085                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3086                                                                 me[j]->connectors[k].SetServerName(servername);
3087                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3088                                                                 sprintf(buffer,"X 0");
3089                                                                 serv->SendPacket(buffer,servername);
3090                                                                 DoSync(me[j],servername);
3091                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3092                                                                 NetSendToAllExcept(servername,buffer);
3093                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3094                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3095                                                                 NetSendMyRoutingTable();
3096                                                                 return;
3097                                                         }
3098                                                 }
3099                                         }
3100                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3101                                         return;
3102                                 }
3103                         }
3104                         else {
3105                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3106                         }
3107                 }
3108                 char buffer[MAXBUF];
3109                 sprintf(buffer,"E :Access is denied (no matching link block)");
3110                 serv->SendPacket(buffer,tcp_host);
3111                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3112                 RemoveServer(tcp_host);
3113                 RemoveServer(servername);
3114                 return;
3115         }
3116         else
3117         if (token == 'E') {
3118                 char* error_message = finalparam+2;
3119                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3120                 return;
3121         }
3122         else {
3123
3124                 serverrec* source_server = NULL;
3125
3126                 for (int j = 0; j < 32; j++)
3127                 {
3128                         if (me[j] != NULL)
3129                         {
3130                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3131                                 {
3132                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3133                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3134                                         {
3135                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3136                                                 {
3137                                                         // found a valid ircd_connector.
3138                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3139                                                         return;
3140                                                 }
3141                                         }
3142                                 }
3143                         }
3144                 }
3145
3146                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3147         }
3148 }
3149
3150 long duration(char* str)
3151 {
3152         char n_field[MAXBUF];
3153         long total = 0;
3154         char* str_end = str + strlen(str);
3155         n_field[0] = 0;
3156
3157         for (char* i = str; i < str_end; i++)
3158         {
3159                 // if we have digits, build up a string for the value in n_field,
3160                 // up to 10 digits in size.
3161                 if ((*i >= '0') && (*i <= '9'))
3162                 {
3163                         strlcat(n_field,i,10);
3164                 }
3165                 else
3166                 {
3167                         // we dont have a digit, check for numeric tokens
3168                         switch (tolower(*i))
3169                         {
3170                                 case 's':
3171                                         total += atoi(n_field);
3172                                 break;
3173
3174                                 case 'm':
3175                                         total += (atoi(n_field)*duration_m);
3176                                 break;
3177
3178                                 case 'h':
3179                                         total += (atoi(n_field)*duration_h);
3180                                 break;
3181
3182                                 case 'd':
3183                                         total += (atoi(n_field)*duration_d);
3184                                 break;
3185
3186                                 case 'w':
3187                                         total += (atoi(n_field)*duration_w);
3188                                 break;
3189
3190                                 case 'y':
3191                                         total += (atoi(n_field)*duration_y);
3192                                 break;
3193                         }
3194                         n_field[0] = 0;
3195                 }
3196         }
3197         // add trailing seconds
3198         total += atoi(n_field);
3199
3200         return total;
3201 }
3202
3203
3204 void handle_kline(char **parameters, int pcnt, userrec *user)
3205 {
3206         if (pcnt >= 3)
3207         {
3208                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3209                 if (!duration(parameters[1]))
3210                 {
3211                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3212                 }
3213                 else
3214                 {
3215                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3216                 }
3217         }
3218         else
3219         {
3220                 if (del_kline(parameters[0]))
3221                 {
3222                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3223                 }
3224                 else
3225                 {
3226                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3227                 }
3228         }
3229         apply_lines();
3230 }
3231
3232 void handle_eline(char **parameters, int pcnt, userrec *user)
3233 {
3234         if (pcnt >= 3)
3235         {
3236                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3237                 if (!duration(parameters[1]))
3238                 {
3239                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3240                 }
3241                 else
3242                 {
3243                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3244                 }
3245         }
3246         else
3247         {
3248                 if (del_eline(parameters[0]))
3249                 {
3250                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3251                 }
3252                 else
3253                 {
3254                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3255                 }
3256         }
3257         // no need to apply the lines for an eline
3258 }
3259
3260 void handle_gline(char **parameters, int pcnt, userrec *user)
3261 {
3262         char netdata[MAXBUF];
3263         if (pcnt >= 3)
3264         {
3265                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3266                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3267                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3268                 NetSendToAll(netdata);
3269                 if (!duration(parameters[1]))
3270                 {
3271                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3272                 }
3273                 else
3274                 {
3275                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3276                 }
3277         }
3278         else
3279         {
3280                 if (del_gline(parameters[0]))
3281                 {
3282                         // . <mask> <who-removed-it>
3283                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3284                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3285                 }
3286                 else
3287                 {
3288                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3289                 }
3290         }
3291         apply_lines();
3292 }
3293
3294 void handle_zline(char **parameters, int pcnt, userrec *user)
3295 {
3296         if (pcnt >= 3)
3297         {
3298                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3299                 if (!duration(parameters[1]))
3300                 {
3301                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3302                 }
3303                 else
3304                 {
3305                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3306                 }
3307         }
3308         else
3309         {
3310                 if (del_zline(parameters[0]))
3311                 {
3312                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3313                 }
3314                 else
3315                 {
3316                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3317                 }
3318         }
3319         apply_lines();
3320 }
3321
3322 void handle_qline(char **parameters, int pcnt, userrec *user)
3323 {
3324         if (pcnt >= 3)
3325         {
3326                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3327                 if (!duration(parameters[1]))
3328                 {
3329                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3330                 }
3331                 else
3332                 {
3333                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3334                 }
3335         }
3336         else
3337         {
3338                 if (del_qline(parameters[0]))
3339                 {
3340                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3341                 }
3342                 else
3343                 {
3344                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3345                 }
3346         }
3347         apply_lines();
3348 }
3349
3350