src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern time_t TIME;
  95
  96 extern std::vector<int> fd_reap;
  97 extern std::vector<std::string> module_names;
  98
  99 extern char MyExecutable[1024];
 100 extern int boundPortCount;
 101 extern int portCount;
 102 extern int UDPportCount;
 103 extern int ports[MAXSOCKS];
 104 extern int defaultRoute;
 105
 106 extern std::vector<long> auth_cookies;
 107 extern std::stringstream config_f;
 108
 109 extern serverrec* me[32];
 110
 111 extern FILE *log_file;
 112
 113 extern ClassVector Classes;
 114
 115 const long duration_m = 60;
 116 const long duration_h = duration_m * 60;
 117 const long duration_d = duration_h * 24;
 118 const long duration_w = duration_d * 7;
 119 const long duration_y = duration_w * 52;
 120
 121 namespace nspace
 122 {
 123 #ifdef GCC34
 124         template<> struct hash<in_addr>
 125 #else
 126         template<> struct nspace::hash<in_addr>
 127 #endif
 128         {
 129                 size_t operator()(const struct in_addr &a) const
 130                 {
 131                         size_t q;
 132                         memcpy(&q,&a,sizeof(size_t));
 133                         return q;
 134                 }
 135         };
 136 #ifdef GCC34
 137         template<> struct hash<string>
 138 #else
 139         template<> struct nspace::hash<string>
 140 #endif
 141         {
 142                 size_t operator()(const string &s) const
 143                 {
 144                         char a[MAXBUF];
 145                         static struct hash<const char *> strhash;
 146                         strlcpy(a,s.c_str(),MAXBUF);
 147                         strlower(a);
 148                         return strhash(a);
 149                 }
 150         };
 151 }
 152
 153
 154 struct StrHashComp
 155 {
 156
 157         bool operator()(const string& s1, const string& s2) const
 158         {
 159                 char a[MAXBUF],b[MAXBUF];
 160                 strlcpy(a,s1.c_str(),MAXBUF);
 161                 strlcpy(b,s2.c_str(),MAXBUF);
 162                 return (strcasecmp(a,b) == 0);
 163         }
 164
 165 };
 166
 167 struct InAddr_HashComp
 168 {
 169
 170         bool operator()(const in_addr &s1, const in_addr &s2) const
 171         {
 172                 size_t q;
 173                 size_t p;
 174
 175                 memcpy(&q,&s1,sizeof(size_t));
 176                 memcpy(&p,&s2,sizeof(size_t));
 177
 178                 return (q == p);
 179         }
 180
 181 };
 182
 183
 184 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 185 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 186 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 187 typedef std::deque<command_t> command_table;
 188
 189
 190 extern user_hash clientlist;
 191 extern chan_hash chanlist;
 192 extern user_hash whowas;
 193 extern command_table cmdlist;
 194 extern file_cache MOTD;
 195 extern file_cache RULES;
 196 extern address_cache IP;
 197
 198
 199 void handle_join(char **parameters, int pcnt, userrec *user)
 200 {
 201         chanrec* Ptr;
 202         int i = 0;
 203
 204         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 205                 return;
 206         if (parameters[0][0] == '#')
 207         {
 208                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 209         }
 210 }
 211
 212
 213 void handle_part(char **parameters, int pcnt, userrec *user)
 214 {
 215         chanrec* Ptr;
 216
 217         if (pcnt > 1)
 218         {
 219                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 220                         return;
 221                 del_channel(user,parameters[0],parameters[1],false);
 222         }
 223         else
 224         {
 225                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 226                         return;
 227                 del_channel(user,parameters[0],NULL,false);
 228         }
 229 }
 230
 231 void handle_kick(char **parameters, int pcnt, userrec *user)
 232 {
 233         chanrec* Ptr = FindChan(parameters[0]);
 234         userrec* u   = Find(parameters[1]);
 235
 236         if ((!u) || (!Ptr))
 237         {
 238                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 239                 return;
 240         }
 241
 242         if (!has_channel(user,Ptr))
 243         {
 244                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 245                 return;
 246         }
 247
 248         char reason[MAXBUF];
 249
 250         if (pcnt > 2)
 251         {
 252                 strlcpy(reason,parameters[2],MAXBUF);
 253                 if (strlen(reason)>MAXKICK)
 254                 {
 255                         reason[MAXKICK-1] = '\0';
 256                 }
 257
 258                 kick_channel(user,u,Ptr,reason);
 259         }
 260         else
 261         {
 262                 strlcpy(reason,user->nick,MAXBUF);
 263                 kick_channel(user,u,Ptr,reason);
 264         }
 265
 266         // this must be propogated so that channel membership is kept in step network-wide
 267
 268         char buffer[MAXBUF];
 269         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 270         NetSendToAll(buffer);
 271 }
 272
 273 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 274 {
 275         if (LoadModule(parameters[0]))
 276         {
 277                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 278                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 279         }
 280         else
 281         {
 282                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 283         }
 284 }
 285
 286 void handle_die(char **parameters, int pcnt, userrec *user)
 287 {
 288         log(DEBUG,"die: %s",user->nick);
 289         if (!strcmp(parameters[0],diepass))
 290         {
 291                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 292                 sleep(DieDelay);
 293                 Exit(ERROR);
 294         }
 295         else
 296         {
 297                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 298         }
 299 }
 300
 301 void handle_restart(char **parameters, int pcnt, userrec *user)
 302 {
 303         char restart[1024];
 304         char *argv[32];
 305         log(DEFAULT,"Restart: %s",user->nick);
 306         if (!strcmp(parameters[0],restartpass))
 307         {
 308                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 309
 310                 argv[0] = MyExecutable;
 311                 argv[1] = "-wait";
 312                 if (nofork)
 313                 {
 314                         argv[2] = "-nofork";
 315                 }
 316                 else
 317                 {
 318                         argv[2] = NULL;
 319                 }
 320                 argv[3] = NULL;
 321
 322                 // close ALL file descriptors
 323                 send_error("Server restarting.");
 324                 sleep(1);
 325                 for (int i = 0; i < 65536; i++)
 326                 {
 327                         int on = 0;
 328                         struct linger linger = { 0 };
 329                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 330                         linger.l_onoff = 1;
 331                         linger.l_linger = 0;
 332                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 333                         Blocking(i);
 334                         close(i);
 335                 }
 336                 sleep(5);
 337
 338                 execv(MyExecutable,argv);
 339
 340                 exit(0);
 341         }
 342         else
 343         {
 344                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 345         }
 346 }
 347
 348 void handle_kill(char **parameters, int pcnt, userrec *user)
 349 {
 350         userrec *u = Find(parameters[0]);
 351         char killreason[MAXBUF];
 352
 353         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 354         if (u)
 355         {
 356                 int MOD_RESULT = 0;
 357                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 358                 if (MOD_RESULT) {
 359                         return;
 360                 }
 361
 362                 if (strcmp(ServerName,u->server))
 363                 {
 364                         // remote kill
 365                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 366                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 367                         WriteCommonExcept(u,"QUIT :%s",killreason);
 368                         // K token must go to ALL servers!!!
 369                         char buffer[MAXBUF];
 370                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 371                         NetSendToAll(buffer);
 372
 373                         user_hash::iterator iter = clientlist.find(u->nick);
 374                         if (iter != clientlist.end())
 375                         {
 376                                 log(DEBUG,"deleting user hash value %d",iter->second);
 377                                 if ((iter->second) && (user->registered == 7)) {
 378                                         delete iter->second;
 379                                         }
 380                         clientlist.erase(iter);
 381                         }
 382                         purge_empty_chans();
 383                 }
 384                 else
 385                 {
 386                         // local kill
 387                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 388                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 389                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 390                         kill_link(u,killreason);
 391                 }
 392         }
 393         else
 394         {
 395                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 396         }
 397 }
 398
 399 void handle_summon(char **parameters, int pcnt, userrec *user)
 400 {
 401         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 402 }
 403
 404 void handle_users(char **parameters, int pcnt, userrec *user)
 405 {
 406         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 407 }
 408
 409 void handle_pass(char **parameters, int pcnt, userrec *user)
 410 {
 411         // Check to make sure they havnt registered -- Fix by FCS
 412         if (user->registered == 7)
 413         {
 414                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 415                 return;
 416         }
 417         if (!strcasecmp(parameters[0],Passwd(user)))
 418         {
 419                 user->haspassed = true;
 420         }
 421 }
 422
 423 void handle_invite(char **parameters, int pcnt, userrec *user)
 424 {
 425         userrec* u = Find(parameters[0]);
 426         chanrec* c = FindChan(parameters[1]);
 427
 428         if ((!c) || (!u))
 429         {
 430                 if (!c)
 431                 {
 432                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 433                 }
 434                 else
 435                 {
 436                         if (c->inviteonly)
 437                         {
 438                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 439                         }
 440                 }
 441
 442                 return;
 443         }
 444
 445         if (c->inviteonly)
 446         {
 447                 if (cstatus(user,c) < STATUS_HOP)
 448                 {
 449                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 450                         return;
 451                 }
 452         }
 453         if (has_channel(u,c))
 454         {
 455                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 456                 return;
 457         }
 458         if (!has_channel(user,c))
 459         {
 460                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 461                 return;
 462         }
 463
 464         int MOD_RESULT = 0;
 465         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 466         if (MOD_RESULT == 1) {
 467                 return;
 468         }
 469
 470         u->InviteTo(c->name);
 471         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 472         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 473
 474         // i token must go to ALL servers!!!
 475         char buffer[MAXBUF];
 476         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 477         NetSendToAll(buffer);
 478 }
 479
 480 void handle_topic(char **parameters, int pcnt, userrec *user)
 481 {
 482         chanrec* Ptr;
 483
 484         if (pcnt == 1)
 485         {
 486                 if (strlen(parameters[0]) <= CHANMAX)
 487                 {
 488                         Ptr = FindChan(parameters[0]);
 489                         if (Ptr)
 490                         {
 491                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 492                                 {
 493                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 494                                         return;
 495                                 }
 496                                 if (Ptr->topicset)
 497                                 {
 498                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 499                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 500                                 }
 501                                 else
 502                                 {
 503                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 504                                 }
 505                         }
 506                         else
 507                         {
 508                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 509                         }
 510                 }
 511                 return;
 512         }
 513         else if (pcnt>1)
 514         {
 515                 if (strlen(parameters[0]) <= CHANMAX)
 516                 {
 517                         Ptr = FindChan(parameters[0]);
 518                         if (Ptr)
 519                         {
 520                                 if ((Ptr) && (!has_channel(user,Ptr)))
 521                                 {
 522                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 523                                         return;
 524                                 }
 525                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 526                                 {
 527                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 528                                         return;
 529                                 }
 530
 531                                 char topic[MAXBUF];
 532                                 strlcpy(topic,parameters[1],MAXBUF);
 533                                 if (strlen(topic)>MAXTOPIC)
 534                                 {
 535                                         topic[MAXTOPIC-1] = '\0';
 536                                 }
 537
 538                                 strlcpy(Ptr->topic,topic,MAXBUF);
 539                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 540                                 Ptr->topicset = TIME;
 541                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 542
 543                                 // t token must go to ALL servers!!!
 544                                 char buffer[MAXBUF];
 545                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 546                                 NetSendToAll(buffer);
 547                         }
 548                         else
 549                         {
 550                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 551                         }
 552                 }
 553         }
 554 }
 555
 556 void handle_names(char **parameters, int pcnt, userrec *user)
 557 {
 558         chanrec* c;
 559
 560         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 561                 return;
 562         c = FindChan(parameters[0]);
 563         if (c)
 564         {
 565                 if (((c) && (!has_channel(user,c))) && (c->secret))
 566                 {
 567                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 568                       return;
 569                 }
 570                 userlist(user,c);
 571                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 572         }
 573         else
 574         {
 575                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 576         }
 577 }
 578
 579 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 580 {
 581         userrec *dest;
 582         chanrec *chan;
 583
 584         user->idle_lastmsg = TIME;
 585
 586         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 587                 return;
 588         if (parameters[0][0] == '#')
 589         {
 590                 chan = FindChan(parameters[0]);
 591                 if (chan)
 592                 {
 593                         if ((chan->noexternal) && (!has_channel(user,chan)))
 594                         {
 595                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 596                                 return;
 597                         }
 598                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 599                         {
 600                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 601                                 return;
 602                         }
 603
 604                         int MOD_RESULT = 0;
 605
 606                         std::string temp = parameters[1];
 607                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 608                         if (MOD_RESULT) {
 609                                 return;
 610                         }
 611                         parameters[1] = (char*)temp.c_str();
 612
 613                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 614
 615                         // if any users of this channel are on remote servers, broadcast the packet
 616                         char buffer[MAXBUF];
 617                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 618                         NetSendToCommon(user,buffer);
 619                 }
 620                 else
 621                 {
 622                         /* no such nick/channel */
 623                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 624                 }
 625                 return;
 626         }
 627
 628         dest = Find(parameters[0]);
 629         if (dest)
 630         {
 631                 if (strcmp(dest->awaymsg,""))
 632                 {
 633                         /* auto respond with aweh msg */
 634                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 635                 }
 636
 637                 int MOD_RESULT = 0;
 638
 639                 std::string temp = parameters[1];
 640                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 641                 if (MOD_RESULT) {
 642                         return;
 643                 }
 644                 parameters[1] = (char*)temp.c_str();
 645
 646
 647
 648                 if (!strcmp(dest->server,user->server))
 649                 {
 650                         // direct write, same server
 651                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 652                 }
 653                 else
 654                 {
 655                         char buffer[MAXBUF];
 656                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 657                         NetSendToOne(dest->server,buffer);
 658                 }
 659         }
 660         else
 661         {
 662                 /* no such nick/channel */
 663                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 664         }
 665 }
 666
 667 void handle_notice(char **parameters, int pcnt, userrec *user)
 668 {
 669         userrec *dest;
 670         chanrec *chan;
 671
 672         user->idle_lastmsg = TIME;
 673
 674         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 675                 return;
 676         if (parameters[0][0] == '#')
 677         {
 678                 chan = FindChan(parameters[0]);
 679                 if (chan)
 680                 {
 681                         if ((chan->noexternal) && (!has_channel(user,chan)))
 682                         {
 683                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 684                                 return;
 685                         }
 686                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 687                         {
 688                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 689                                 return;
 690                         }
 691
 692                         int MOD_RESULT = 0;
 693
 694                         std::string temp = parameters[1];
 695                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 696                         if (MOD_RESULT) {
 697                                 return;
 698                         }
 699                         parameters[1] = (char*)temp.c_str();
 700
 701                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 702
 703                         // if any users of this channel are on remote servers, broadcast the packet
 704                         char buffer[MAXBUF];
 705                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 706                         NetSendToCommon(user,buffer);
 707                 }
 708                 else
 709                 {
 710                         /* no such nick/channel */
 711                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 712                 }
 713                 return;
 714         }
 715
 716         dest = Find(parameters[0]);
 717         if (dest)
 718         {
 719                 int MOD_RESULT = 0;
 720
 721                 std::string temp = parameters[1];
 722                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 723                 if (MOD_RESULT) {
 724                         return;
 725                 }
 726                 parameters[1] = (char*)temp.c_str();
 727
 728                 if (!strcmp(dest->server,user->server))
 729                 {
 730                         // direct write, same server
 731                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 732                 }
 733                 else
 734                 {
 735                         char buffer[MAXBUF];
 736                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 737                         NetSendToOne(dest->server,buffer);
 738                 }
 739         }
 740         else
 741         {
 742                 /* no such nick/channel */
 743                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 744         }
 745 }
 746
 747 void handle_server(char **parameters, int pcnt, userrec *user)
 748 {
 749         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 750         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 751 }
 752
 753 void handle_info(char **parameters, int pcnt, userrec *user)
 754 {
 755         WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
 756         WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
 757         WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
 758         FOREACH_MOD OnInfo(user);
 759         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 760 }
 761
 762 void handle_time(char **parameters, int pcnt, userrec *user)
 763 {
 764         time_t rawtime;
 765         struct tm * timeinfo;
 766
 767         time ( &rawtime );
 768         timeinfo = localtime ( &rawtime );
 769         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 770
 771 }
 772
 773 void handle_whois(char **parameters, int pcnt, userrec *user)
 774 {
 775         userrec *dest;
 776         char *t;
 777
 778         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 779                 return;
 780         dest = Find(parameters[0]);
 781         if (dest)
 782         {
 783                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 784                 if (dest->registered == 7)
 785                 {
 786                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 787                         if ((user == dest) || (strchr(user->modes,'o')))
 788                         {
 789                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 790                         }
 791                         if (strcmp(chlist(dest),""))
 792                         {
 793                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 794                         }
 795                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 796                         if (strcmp(dest->awaymsg,""))
 797                         {
 798                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 799                         }
 800                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 801                         {
 802                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 803                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 804                         }
 805                         FOREACH_MOD OnWhois(user,dest);
 806                         if (!strcasecmp(user->server,dest->server))
 807                         {
 808                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 809                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 810                         }
 811
 812                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 813                 }
 814                 else
 815                 {
 816                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 817                 }
 818         }
 819         else
 820         {
 821                 /* no such nick/channel */
 822                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 823         }
 824 }
 825
 826 void handle_quit(char **parameters, int pcnt, userrec *user)
 827 {
 828         user_hash::iterator iter = clientlist.find(user->nick);
 829         char* reason;
 830
 831         if (user->registered == 7)
 832         {
 833                 /* theres more to do here, but for now just close the socket */
 834                 if (pcnt == 1)
 835                 {
 836                         if (parameters[0][0] == ':')
 837                         {
 838                                 *parameters[0]++;
 839                         }
 840                         reason = parameters[0];
 841
 842                         if (strlen(reason)>MAXQUIT)
 843                         {
 844                                 reason[MAXQUIT-1] = '\0';
 845                         }
 846
 847                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 848                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 849                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 850
 851                         char buffer[MAXBUF];
 852                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 853                         NetSendToAll(buffer);
 854                 }
 855                 else
 856                 {
 857                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 858                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 859                         WriteCommonExcept(user,"QUIT :Client exited");
 860
 861                         char buffer[MAXBUF];
 862                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 863                         NetSendToAll(buffer);
 864                 }
 865                 FOREACH_MOD OnUserQuit(user);
 866                 AddWhoWas(user);
 867         }
 868
 869         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 870         fd_reap.push_back(user->fd);
 871
 872         if (iter != clientlist.end())
 873         {
 874                 clientlist.erase(iter);
 875                 log(DEBUG,"deleting user hash value %d",iter->second);
 876                 //if ((user) && (user->registered == 7)) {
 877                         //delete user;
 878                 //}
 879         }
 880
 881         if (user->registered == 7) {
 882                 purge_empty_chans();
 883         }
 884 }
 885
 886 void handle_who(char **parameters, int pcnt, userrec *user)
 887 {
 888         chanrec* Ptr = NULL;
 889         char tmp[10];
 890
 891         /* theres more to do here, but for now just close the socket */
 892         if (pcnt == 1)
 893         {
 894                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 895                 {
 896                         if (user->chans[0].channel)
 897                         {
 898                                 int n_list = 0;
 899                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 900                                 {
 901                                         Ptr = i->second->chans[0].channel;
 902                                         // suggested by phidjit and FCS
 903                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 904                                         {
 905                                                 // Bug Fix #29
 906                                                 strcpy(tmp, "");
 907                                                 if (strcmp(i->second->awaymsg, "")) {
 908                                                         strncat(tmp, "G", 9);
 909                                                 } else {
 910                                                         strncat(tmp, "H", 9);
 911                                                 }
 912                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 913                                                 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);
 914                                                 n_list++;
 915                                                 if (n_list > MaxWhoResults)
 916                                                         break;
 917                                         }
 918                                 }
 919                         }
 920                         if (Ptr)
 921                         {
 922                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 923                         }
 924                         else
 925                         {
 926                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 927                         }
 928                         return;
 929                 }
 930                 if (parameters[0][0] == '#')
 931                 {
 932                         Ptr = FindChan(parameters[0]);
 933                         if (Ptr)
 934                         {
 935                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 936                                 {
 937                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
 938                                         {
 939                                                 // Fix Bug #29 - Part 2..
 940                                                 strcpy(tmp, "");
 941                                                 if (strcmp(i->second->awaymsg, "")) {
 942                                                         strncat(tmp, "G", 9);
 943                                                 } else {
 944                                                         strncat(tmp, "H", 9);
 945                                                 }
 946                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 947                                                 strcat(tmp, cmode(i->second, Ptr));
 948                                                 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);
 949                                         }
 950                                 }
 951                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 952                         }
 953                         else
 954                         {
 955                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 956                         }
 957                 }
 958                 else
 959                 {
 960                         userrec* u = Find(parameters[0]);
 961                         if (u)
 962                         {
 963                                 // Bug Fix #29 -- Part 29..
 964                                 strcpy(tmp, "");
 965                                 if (strcmp(u->awaymsg, "")) {
 966                                         strncat(tmp, "G" ,9);
 967                                 } else {
 968                                         strncat(tmp, "H" ,9);
 969                                 }
 970                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
 971                                 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);
 972                         }
 973                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 974                 }
 975         }
 976         if (pcnt == 2)
 977         {
 978                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
 979                 {
 980                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 981                         {
 982                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
 983                                 {
 984                                         if (strchr(i->second->modes,'o'))
 985                                         {
 986                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
 987                                                 // But i'm a poor bastard with nothing better to do.
 988                                                 strcpy(tmp, "");
 989                                                 if (strcmp(i->second->awaymsg, "")) {
 990                                                         strncat(tmp, "G" ,9);
 991                                                 } else {
 992                                                         strncat(tmp, "H" ,9);
 993                                                 }
 994
 995                                                 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);
 996                                         }
 997                                 }
 998                         }
 999                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1000                         return;
1001                 }
1002         }
1003 }
1004
1005 void handle_wallops(char **parameters, int pcnt, userrec *user)
1006 {
1007         WriteWallOps(user,false,"%s",parameters[0]);
1008 }
1009
1010 void handle_list(char **parameters, int pcnt, userrec *user)
1011 {
1012         chanrec* Ptr;
1013
1014         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1015         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1016         {
1017                 if ((!i->second->c_private) && (!i->second->secret))
1018                 {
1019                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1020                 }
1021         }
1022         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1023 }
1024
1025
1026 void handle_rehash(char **parameters, int pcnt, userrec *user)
1027 {
1028         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1029         ReadConfig(false,user);
1030         FOREACH_MOD OnRehash();
1031         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1032 }
1033
1034 void handle_lusers(char **parameters, int pcnt, userrec *user)
1035 {
1036         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1037         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1038         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1039         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1040         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1041 }
1042
1043 void handle_admin(char **parameters, int pcnt, userrec *user)
1044 {
1045         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1046         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1047         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1048         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1049 }
1050
1051 void handle_ping(char **parameters, int pcnt, userrec *user)
1052 {
1053         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1054 }
1055
1056 void handle_pong(char **parameters, int pcnt, userrec *user)
1057 {
1058         // set the user as alive so they survive to next ping
1059         user->lastping = 1;
1060 }
1061
1062 void handle_motd(char **parameters, int pcnt, userrec *user)
1063 {
1064         ShowMOTD(user);
1065 }
1066
1067 void handle_rules(char **parameters, int pcnt, userrec *user)
1068 {
1069         ShowRULES(user);
1070 }
1071
1072 void handle_user(char **parameters, int pcnt, userrec *user)
1073 {
1074         if (user->registered < 3)
1075         {
1076                 if (isident(parameters[0]) == 0) {
1077                         // This kinda Sucks, According to the RFC thou, its either this,
1078                         // or "You have already registered" :p -- Craig
1079                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1080                 }
1081                 else {
1082                         WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
1083                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1084                         strlcat(user->ident,parameters[0],IDENTMAX);
1085                         strlcpy(user->fullname,parameters[3],128);
1086                         user->registered = (user->registered | 1);
1087                 }
1088         }
1089         else
1090         {
1091                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1092                 return;
1093         }
1094         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1095         if (user->registered == 3)
1096         {
1097                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1098                 ConnectUser(user);
1099         }
1100 }
1101
1102 void handle_userhost(char **parameters, int pcnt, userrec *user)
1103 {
1104         char Return[MAXBUF],junk[MAXBUF];
1105         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1106         for (int i = 0; i < pcnt; i++)
1107         {
1108                 userrec *u = Find(parameters[i]);
1109                 if (u)
1110                 {
1111                         if (strchr(u->modes,'o'))
1112                         {
1113                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1114                                 strlcat(Return,junk,MAXBUF);
1115                         }
1116                         else
1117                         {
1118                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1119                                 strlcat(Return,junk,MAXBUF);
1120                         }
1121                 }
1122         }
1123         WriteServ(user->fd,Return);
1124 }
1125
1126
1127 void handle_ison(char **parameters, int pcnt, userrec *user)
1128 {
1129         char Return[MAXBUF];
1130         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1131         for (int i = 0; i < pcnt; i++)
1132         {
1133                 userrec *u = Find(parameters[i]);
1134                 if (u)
1135                 {
1136                         strlcat(Return,u->nick,MAXBUF);
1137                         strlcat(Return," ",MAXBUF);
1138                 }
1139         }
1140         WriteServ(user->fd,Return);
1141 }
1142
1143
1144 void handle_away(char **parameters, int pcnt, userrec *user)
1145 {
1146         if (pcnt)
1147         {
1148                 strlcpy(user->awaymsg,parameters[0],512);
1149                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1150         }
1151         else
1152         {
1153                 strlcpy(user->awaymsg,"",512);
1154                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1155         }
1156 }
1157
1158 void handle_whowas(char **parameters, int pcnt, userrec* user)
1159 {
1160         user_hash::iterator i = whowas.find(parameters[0]);
1161
1162         if (i == whowas.end())
1163         {
1164                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1165                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1166         }
1167         else
1168         {
1169                 time_t rawtime = i->second->signon;
1170                 tm *timeinfo;
1171                 char b[MAXBUF];
1172
1173                 timeinfo = localtime(&rawtime);
1174                 strlcpy(b,asctime(timeinfo),MAXBUF);
1175                 b[strlen(b)-1] = '\0';
1176
1177                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1178                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1179                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1180         }
1181
1182 }
1183
1184 void handle_trace(char **parameters, int pcnt, userrec *user)
1185 {
1186         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1187         {
1188                 if (i->second)
1189                 {
1190                         if (isnick(i->second->nick))
1191                         {
1192                                 if (strchr(i->second->modes,'o'))
1193                                 {
1194                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1195                                 }
1196                                 else
1197                                 {
1198                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1199                                 }
1200                         }
1201                         else
1202                         {
1203                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1204                         }
1205                 }
1206         }
1207 }
1208
1209 void handle_modules(char **parameters, int pcnt, userrec *user)
1210 {
1211         for (int i = 0; i < module_names.size(); i++)
1212         {
1213                         Version V = modules[i]->GetVersion();
1214                         char modulename[MAXBUF];
1215                         strlcpy(modulename,module_names[i].c_str(),256);
1216                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename));
1217         }
1218 }
1219
1220 void handle_stats(char **parameters, int pcnt, userrec *user)
1221 {
1222         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1223         if (pcnt != 1)
1224         {
1225                 return;
1226         }
1227         if (strlen(parameters[0])>1)
1228         {
1229                 /* make the stats query 1 character long */
1230                 parameters[0][1] = '\0';
1231         }
1232
1233
1234         if (!strcasecmp(parameters[0],"c"))
1235         {
1236                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1237                 {
1238                         ConfValue("link","name",i,Link_ServerName,&config_f);
1239                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1240                         ConfValue("link","port",i,Link_Port,&config_f);
1241                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1242                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1243                 }
1244         }
1245
1246         if (!strcasecmp(parameters[0],"i"))
1247         {
1248                 int idx = 0;
1249                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1250                 {
1251                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1252                         idx++;
1253                 }
1254         }
1255
1256         if (!strcasecmp(parameters[0],"y"))
1257         {
1258                 int idx = 0;
1259                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1260                 {
1261                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1262                         idx++;
1263                 }
1264         }
1265
1266         if (!strcmp(parameters[0],"U"))
1267         {
1268                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1269                 {
1270                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1271                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1272                 }
1273         }
1274
1275         if (!strcmp(parameters[0],"P"))
1276         {
1277                 int idx = 0;
1278                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1279                 {
1280                         if (strchr(i->second->modes,'o'))
1281                         {
1282                                 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));
1283                                 idx++;
1284                         }
1285                 }
1286                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1287         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1288         }
1289
1290         if (!strcmp(parameters[0],"k"))
1291         {
1292                 stats_k(user);
1293         }
1294
1295         if (!strcmp(parameters[0],"g"))
1296         {
1297                 stats_g(user);
1298         }
1299
1300         if (!strcmp(parameters[0],"q"))
1301         {
1302                 stats_q(user);
1303         }
1304
1305         if (!strcmp(parameters[0],"Z"))
1306         {
1307                 stats_z(user);
1308         }
1309
1310         if (!strcmp(parameters[0],"e"))
1311         {
1312                 stats_e(user);
1313         }
1314
1315         /* stats m (list number of times each command has been used, plus bytecount) */
1316         if (!strcmp(parameters[0],"m"))
1317         {
1318                 for (int i = 0; i < cmdlist.size(); i++)
1319                 {
1320                         if (cmdlist[i].handler_function)
1321                         {
1322                                 if (cmdlist[i].use_count)
1323                                 {
1324                                         /* RPL_STATSCOMMANDS */
1325                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1326                                 }
1327                         }
1328                 }
1329
1330         }
1331
1332         /* stats z (debug and memory info) */
1333         if (!strcmp(parameters[0],"z"))
1334         {
1335                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1336                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1337                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1338                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1339                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1340                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1341                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1342                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1343         }
1344
1345         /* stats o */
1346         if (!strcmp(parameters[0],"o"))
1347         {
1348                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1349                 {
1350                         char LoginName[MAXBUF];
1351                         char HostName[MAXBUF];
1352                         char OperType[MAXBUF];
1353                         ConfValue("oper","name",i,LoginName,&config_f);
1354                         ConfValue("oper","host",i,HostName,&config_f);
1355                         ConfValue("oper","type",i,OperType,&config_f);
1356                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1357                 }
1358         }
1359
1360         /* stats l (show user I/O stats) */
1361         if (!strcmp(parameters[0],"l"))
1362         {
1363                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1364                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1365                 {
1366                         if (isnick(i->second->nick))
1367                         {
1368                                 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);
1369                         }
1370                         else
1371                         {
1372                                 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);
1373                         }
1374
1375                 }
1376         }
1377
1378         /* stats u (show server uptime) */
1379         if (!strcmp(parameters[0],"u"))
1380         {
1381                 time_t current_time = 0;
1382                 current_time = TIME;
1383                 time_t server_uptime = current_time - startup_time;
1384                 struct tm* stime;
1385                 stime = gmtime(&server_uptime);
1386                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1387                  * Craig suggested this, and it seemed a good idea so in it went */
1388                 if (stime->tm_year > 70)
1389                 {
1390                         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);
1391                 }
1392                 else
1393                 {
1394                         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);
1395                 }
1396         }
1397
1398         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1399         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1400
1401 }
1402
1403 void handle_connect(char **parameters, int pcnt, userrec *user)
1404 {
1405         char Link_ServerName[1024];
1406         char Link_IPAddr[1024];
1407         char Link_Port[1024];
1408         char Link_Pass[1024];
1409         int LinkPort;
1410         bool found = false;
1411
1412         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1413         {
1414                 if (!found)
1415                 {
1416                         ConfValue("link","name",i,Link_ServerName,&config_f);
1417                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1418                         ConfValue("link","port",i,Link_Port,&config_f);
1419                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1420                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1421                         LinkPort = atoi(Link_Port);
1422                         if (match(Link_ServerName,parameters[0])) {
1423                                 found = true;
1424                                 break;
1425                         }
1426                 }
1427         }
1428
1429         if (!found) {
1430                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1431                 return;
1432         }
1433
1434         // TODO: Perform a check here to stop a server being linked twice!
1435
1436         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1437
1438         if (me[defaultRoute])
1439         {
1440                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1441                 return;
1442         }
1443         else
1444         {
1445                 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);
1446         }
1447 }
1448
1449 void handle_squit(char **parameters, int pcnt, userrec *user)
1450 {
1451         // send out an squit across the mesh and then clear the server list (for local squit)
1452         if (!pcnt)
1453         {
1454                 WriteOpers("SQUIT command issued by %s",user->nick);
1455                 char buffer[MAXBUF];
1456                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1457                 NetSendToAll(buffer);
1458                 DoSplitEveryone();
1459         }
1460         else
1461         {
1462                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1463         }
1464 }
1465
1466 void handle_links(char **parameters, int pcnt, userrec *user)
1467 {
1468         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1469         for (int j = 0; j < 32; j++)
1470         {
1471                 if (me[j] != NULL)
1472                 {
1473                         for (int k = 0; k < me[j]->connectors.size(); k++)
1474                         {
1475                                 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());
1476                         }
1477                 }
1478         }
1479         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1480 }
1481
1482 void handle_map(char **parameters, int pcnt, userrec *user)
1483 {
1484         char line[MAXBUF];
1485         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1486         while (strlen(line) < 50)
1487                 strcat(line," ");
1488         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1489         for (int j = 0; j < 32; j++)
1490         {
1491                 if (me[j] != NULL)
1492                 {
1493                         for (int k = 0; k < me[j]->connectors.size(); k++)
1494                         {
1495                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1496                                 while (strlen(line) < 50)
1497                                         strcat(line," ");
1498                                 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));
1499                         }
1500                 }
1501         }
1502         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1503 }
1504
1505 bool is_uline(const char* server)
1506 {
1507         char ServName[MAXBUF];
1508         int i,j;
1509
1510         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1511         {
1512                 ConfValue("uline","server",i,ServName,&config_f);
1513                 if (!strcasecmp(server,ServName))
1514                 {
1515                         return true;
1516                 }
1517         }
1518         return false;
1519 }
1520
1521
1522 void handle_oper(char **parameters, int pcnt, userrec *user)
1523 {
1524         char LoginName[MAXBUF];
1525         char Password[MAXBUF];
1526         char OperType[MAXBUF];
1527         char TypeName[MAXBUF];
1528         char HostName[MAXBUF];
1529         char TheHost[MAXBUF];
1530         int i,j;
1531         bool found = false;
1532         bool fail2 = false;
1533         char global[MAXBUF];
1534
1535         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1536
1537         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1538         {
1539                 ConfValue("oper","name",i,LoginName,&config_f);
1540                 ConfValue("oper","password",i,Password,&config_f);
1541                 ConfValue("oper","type",i,OperType,&config_f);
1542                 ConfValue("oper","host",i,HostName,&config_f);
1543                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1544                 {
1545                         fail2 = true;
1546                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1547                         {
1548                                 ConfValue("type","name",j,TypeName,&config_f);
1549
1550                                 if (!strcmp(TypeName,OperType))
1551                                 {
1552                                         /* found this oper's opertype */
1553                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1554                                         NetSendToAll(global);
1555                                         ConfValue("type","host",j,HostName,&config_f);
1556                                         ChangeDisplayedHost(user,HostName);
1557                                         strlcpy(user->oper,TypeName,NICKMAX);
1558                                         found = true;
1559                                         fail2 = false;
1560                                         break;
1561                                 }
1562                         }
1563                 }
1564                 if (found)
1565                         break;
1566         }
1567         if (found)
1568         {
1569                 /* correct oper credentials */
1570                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1571                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1572                 if (!strchr(user->modes,'o'))
1573                 {
1574                         strcat(user->modes,"o");
1575                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1576                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1577                         NetSendToAll(global);
1578                         FOREACH_MOD OnOper(user);
1579                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1580                 }
1581         }
1582         else
1583         {
1584                 if (!fail2)
1585                 {
1586                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1587                         WriteOpers("*** WARNING! qFailed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1588                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1589                 }
1590                 else
1591                 {
1592                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1593                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1594                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1595                 }
1596         }
1597         return;
1598 }
1599
1600 void handle_nick(char **parameters, int pcnt, userrec *user)
1601 {
1602         if (pcnt < 1)
1603         {
1604                 log(DEBUG,"not enough params for handle_nick");
1605                 return;
1606         }
1607         if (!parameters[0])
1608         {
1609                 log(DEBUG,"invalid parameter passed to handle_nick");
1610                 return;
1611         }
1612         if (!strlen(parameters[0]))
1613         {
1614                 log(DEBUG,"zero length new nick passed to handle_nick");
1615                 return;
1616         }
1617         if (!user)
1618         {
1619                 log(DEBUG,"invalid user passed to handle_nick");
1620                 return;
1621         }
1622         if (!user->nick)
1623         {
1624                 log(DEBUG,"invalid old nick passed to handle_nick");
1625                 return;
1626         }
1627         if (!strcasecmp(user->nick,parameters[0]))
1628         {
1629                 log(DEBUG,"old nick is new nick, skipping");
1630                 return;
1631         }
1632         else
1633         {
1634                 if (strlen(parameters[0]) > 1)
1635                 {
1636                         if (parameters[0][0] == ':')
1637                         {
1638                                 *parameters[0]++;
1639                         }
1640                 }
1641                 if (matches_qline(parameters[0]))
1642                 {
1643                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1644                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1645                         return;
1646                 }
1647                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1648                 {
1649                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1650                         return;
1651                 }
1652         }
1653         if (isnick(parameters[0]) == 0)
1654         {
1655                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1656                 return;
1657         }
1658
1659         if (user->registered == 7)
1660         {
1661                 int MOD_RESULT = 0;
1662                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1663                 if (MOD_RESULT) {
1664                         // if a module returns true, the nick change is silently forbidden.
1665                         return;
1666                 }
1667
1668                 WriteCommon(user,"NICK %s",parameters[0]);
1669
1670                 // Q token must go to ALL servers!!!
1671                 char buffer[MAXBUF];
1672                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1673                 NetSendToAll(buffer);
1674         }
1675
1676         char oldnick[NICKMAX];
1677         strlcpy(oldnick,user->nick,NICKMAX);
1678
1679         /* change the nick of the user in the users_hash */
1680         user = ReHashNick(user->nick, parameters[0]);
1681         /* actually change the nick within the record */
1682         if (!user) return;
1683         if (!user->nick) return;
1684
1685         strlcpy(user->nick, parameters[0],NICKMAX);
1686
1687         log(DEBUG,"new nick set: %s",user->nick);
1688
1689         if (user->registered < 3)
1690         {
1691                 user->registered = (user->registered | 2);
1692                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1693                 // and unless we're lucky we'll get a duff one later on.
1694                 user->dns_done = (!lookup_dns(user->nick));
1695                 if (user->dns_done)
1696                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1697         }
1698         if (user->registered == 3)
1699         {
1700                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1701                 ConnectUser(user);
1702         }
1703         if (user->registered == 7)
1704         {
1705                 FOREACH_MOD OnUserPostNick(user,oldnick);
1706         }
1707 }
1708
1709
1710
1711 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1712 {
1713         char* src = strtok(params," ");
1714         char* dest = strtok(NULL," :");
1715         char* text = strtok(NULL,"\r\n");
1716         text++;
1717
1718         userrec* user = Find(src);
1719         if (user)
1720         {
1721                 userrec* dst = Find(dest);
1722
1723                 if (dst)
1724                 {
1725                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1726                 }
1727                 else
1728                 {
1729                         chanrec* d = FindChan(dest);
1730                         if (d)
1731                         {
1732                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1733                         }
1734                 }
1735         }
1736
1737 }
1738
1739
1740 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1741 {
1742         char* src = strtok(params," ");
1743         char* dest = strtok(NULL," :");
1744         char* text = strtok(NULL,"\r\n");
1745         text++;
1746
1747         userrec* user = Find(src);
1748         if (user)
1749         {
1750                 userrec* dst = Find(dest);
1751
1752                 if (dst)
1753                 {
1754                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1755                 }
1756                 else
1757                 {
1758                         chanrec* d = FindChan(dest);
1759                         if (d)
1760                         {
1761                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1762                         }
1763                 }
1764         }
1765
1766 }
1767
1768 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1769 {
1770         char* nick = strtok(params," ");
1771         char* from = strtok(NULL," ");
1772         char* channel = strtok(NULL," ");
1773         userrec* u = Find(nick);
1774         userrec* user = Find(from);
1775         chanrec* c = FindChan(channel);
1776         if ((c) && (u) && (user))
1777         {
1778                 u->InviteTo(c->name);
1779                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1780         }
1781 }
1782
1783 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1784 {
1785         char* setby = strtok(params," ");
1786         char* channel = strtok(NULL," :");
1787         char* topic = strtok(NULL,"\r\n");
1788         topic++;
1789         userrec* u = Find(setby);
1790         chanrec* c = FindChan(channel);
1791         if ((c) && (u))
1792         {
1793                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1794                 strlcpy(c->topic,topic,MAXTOPIC);
1795                 strlcpy(c->setby,u->nick,NICKMAX);
1796                 c->topicset = TIME;
1797         }
1798 }
1799
1800
1801 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1802 {
1803         char* tm = strtok(params," ");
1804         char* setby = strtok(NULL," ");
1805         char* channel = strtok(NULL," :");
1806         char* topic = strtok(NULL,"\r\n");
1807         topic++;
1808         time_t TS = atoi(tm);
1809         chanrec* c = FindChan(channel);
1810         if (c)
1811         {
1812                 // in the case of topics and TS, the *NEWER*
1813                 if (TS <= c->topicset)
1814                 {
1815                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1816                         strlcpy(c->topic,topic,MAXTOPIC);
1817                         strlcpy(c->setby,setby,NICKMAX);
1818                 }
1819         }
1820 }
1821
1822 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1823 {
1824         char* pars[128];
1825         char original[MAXBUF],target[MAXBUF];
1826         strlcpy(original,params,MAXBUF);
1827         int index = 0;
1828         char* parameter = strtok(params," ");
1829         strlcpy(target,parameter,MAXBUF);
1830         while (parameter)
1831         {
1832                 if (parameter[0] == ':')
1833                         parameter++;
1834                 pars[index++] = parameter;
1835                 parameter = strtok(NULL," ");
1836         }
1837         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1838         merge_mode(pars,index);
1839         if (FindChan(target))
1840         {
1841                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1842         }
1843         if (Find(target))
1844         {
1845                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1846         }
1847 }
1848
1849 // m is modes set by users only (not servers) valid targets are channels or users.
1850
1851 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1852 {
1853         // m blah #chatspike +b *!test@*4
1854         char* pars[128];
1855         char original[MAXBUF];
1856         strlcpy(original,params,MAXBUF);
1857
1858         if (!strchr(params,' '))
1859         {
1860                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1861                 return;
1862         }
1863
1864         int index = 0;
1865
1866         char* src = strtok(params," ");
1867         userrec* user = Find(src);
1868
1869         if (user)
1870         {
1871                 log(DEBUG,"Found user: %s",user->nick);
1872                 char* parameter = strtok(NULL," ");
1873                 while (parameter)
1874                 {
1875                         pars[index++] = parameter;
1876                         parameter = strtok(NULL," ");
1877                 }
1878
1879                 log(DEBUG,"Calling merge_mode2");
1880                 merge_mode2(pars,index,user);
1881         }
1882 }
1883
1884
1885 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1886 {
1887         char* nick = strtok(params," ");
1888         char* channel = strtok(NULL," :");
1889         char* reason = strtok(NULL,"\r\n");
1890         userrec* user = Find(nick);
1891         reason++;
1892         if (user)
1893         {
1894                 if (strcmp(reason,""))
1895                 {
1896                         del_channel(user,channel,reason,true);
1897                 }
1898                 else
1899                 {
1900                         del_channel(user,channel,NULL,true);
1901                 }
1902         }
1903 }
1904
1905 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1906 {
1907         char* src = strtok(params," ");
1908         char* nick = strtok(NULL," :");
1909         char* reason = strtok(NULL,"\r\n");
1910         char kreason[MAXBUF];
1911         reason++;
1912
1913         userrec* u = Find(nick);
1914         userrec* user = Find(src);
1915
1916         if ((user) && (u))
1917         {
1918                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
1919                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
1920                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
1921                 kill_link(u,kreason);
1922         }
1923 }
1924
1925 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1926 {
1927         char* nick = strtok(params," :");
1928         char* reason = strtok(NULL,"\r\n");
1929         reason++;
1930
1931         userrec* user = Find(nick);
1932
1933         if (user)
1934         {
1935                 if (strlen(reason)>MAXQUIT)
1936                 {
1937                         reason[MAXQUIT-1] = '\0';
1938                 }
1939
1940
1941                 WriteCommonExcept(user,"QUIT :%s",reason);
1942
1943                 user_hash::iterator iter = clientlist.find(user->nick);
1944
1945                 if (iter != clientlist.end())
1946                 {
1947                         log(DEBUG,"deleting user hash value %d",iter->second);
1948                         if ((iter->second) && (user->registered == 7)) {
1949                                 delete iter->second;
1950                         }
1951                         clientlist.erase(iter);
1952                 }
1953
1954                 purge_empty_chans();
1955         }
1956 }
1957
1958 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1959 {
1960         char* oldnick = strtok(params," ");
1961         char* newnick = strtok(NULL," ");
1962
1963         userrec* user = Find(oldnick);
1964
1965         if (user)
1966         {
1967                 WriteCommon(user,"NICK %s",newnick);
1968                 if (is_uline(tcp_host))
1969                 {
1970                         int MOD_RESULT = 0;
1971                         FOREACH_RESULT(OnUserPreNick(user,newnick));
1972                         if (MOD_RESULT) {
1973                                 // if a module returns true, the nick change couldnt be allowed
1974                                 kill_link(user,"Nickname collision");
1975                                 return;
1976                         }
1977                         if (matches_qline(newnick))
1978                         {
1979                                 kill_link(user,"Nickname collision");
1980                                 return;
1981                         }
1982
1983                         // broadcast this because its a services thingy
1984                         char buffer[MAXBUF];
1985                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
1986                         NetSendToAll(buffer);
1987                 }
1988                 user = ReHashNick(user->nick, newnick);
1989                 if (!user) return;
1990                 if (!user->nick) return;
1991                 strlcpy(user->nick, newnick,NICKMAX);
1992                 log(DEBUG,"new nick set: %s",user->nick);
1993         }
1994 }
1995
1996 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
1997 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1998 {
1999         char* src = strtok(params," ");
2000         char* dest = strtok(NULL," ");
2001         char* channel = strtok(NULL," :");
2002         char* reason = strtok(NULL,"\r\n");
2003         reason++;
2004         userrec* s = Find(src);
2005         userrec* d = Find(dest);
2006         chanrec* c = FindChan(channel);
2007         if ((s) && (d) && (c))
2008         {
2009                 kick_channel(s,d,c,reason);
2010                 return;
2011         }
2012         d = Find(channel);
2013         c = FindChan(dest);
2014         if ((s) && (d) && (c))
2015         {
2016                 kick_channel(s,d,c,reason);
2017                 return;
2018         }
2019 }
2020
2021 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2022 {
2023         char* who = strtok(params," :");
2024         char* text = strtok(NULL,"\r\n");
2025         text++;
2026         userrec* s = Find(who);
2027         if (s)
2028         {
2029                 WriteWallOps(s,true,text);
2030         }
2031 }
2032
2033 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2034 {
2035         log(DEBUG,"Adding ULined server %s to my map",params);
2036         ircd_connector s;
2037         s.SetState(STATE_DISCONNECTED);
2038         s.SetServerName(params);
2039
2040         for (int j = 0; j < 32; j++)
2041         {
2042                 if (me[j] != NULL)
2043                 {
2044                         for (int k = 0; k < me[j]->connectors.size(); k++)
2045                         {
2046                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2047                                 {
2048                                         // dont allow a server to be added twice
2049                                         log(DEBUG,"ULined server %s already in the map!",params);
2050                                         return;
2051                                 }
2052                         }
2053                 }
2054         }
2055
2056         source->connectors.push_back(s);
2057         WriteOpers("Non-Mesh server %s has joined the network",params);
2058 }
2059
2060 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2061 {
2062         char* tm = strtok(params," ");
2063         char* nick = strtok(NULL," ");
2064         char* host = strtok(NULL," ");
2065         char* dhost = strtok(NULL," ");
2066         char* ident = strtok(NULL," ");
2067         char* modes = strtok(NULL," ");
2068         char* ipaddr = strtok(NULL," ");
2069         char* server = strtok(NULL," :");
2070         char* gecos = strtok(NULL,"\r\n");
2071         gecos++;
2072         modes++;
2073         time_t TS = atoi(tm);
2074         user_hash::iterator iter = clientlist.find(nick);
2075         if (iter != clientlist.end())
2076         {
2077                 // nick collision
2078                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2079                 char str[MAXBUF];
2080                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2081                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2082                 kill_link(iter->second,str);
2083         }
2084         clientlist[nick] = new userrec();
2085         // remote users have an fd of -1. This is so that our Write abstraction
2086         // routines know to route any messages to this record away to whatever server
2087         // theyre on.
2088         clientlist[nick]->fd = -1;
2089         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2090         strlcpy(clientlist[nick]->host, host,160);
2091         strlcpy(clientlist[nick]->dhost, dhost,160);
2092         strlcpy(clientlist[nick]->server, server,256);
2093         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2094         strlcpy(clientlist[nick]->fullname, gecos,128);
2095         clientlist[nick]->signon = TS;
2096         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2097         clientlist[nick]->lastping = 1;
2098         clientlist[nick]->port = 0; // so is this...
2099         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2100         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2101         for (int i = 0; i < MAXCHANS; i++)
2102         {
2103                 clientlist[nick]->chans[i].channel = NULL;
2104                 clientlist[nick]->chans[i].uc_modes = 0;
2105         }
2106 }
2107
2108 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2109 {
2110         long tdiff = TIME - atoi(params);
2111         if (tdiff)
2112                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2113 }
2114
2115 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2116 {
2117         char* nick = strtok(params," :");
2118         char* gecos = strtok(NULL,"\r\n");
2119
2120         userrec* user = Find(nick);
2121
2122         if (user)
2123                 strlcpy(user->fullname,gecos,MAXBUF);
2124 }
2125
2126 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2127 {
2128         char* nick = strtok(params," ");
2129         char* host = strtok(NULL," ");
2130
2131         userrec* user = Find(nick);
2132
2133         if (user)
2134                 strlcpy(user->dhost,host,160);
2135 }
2136
2137 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2138 {
2139         // %s %s %d %d
2140         // + test3.chatspike.net 7010 -2016508415
2141         char* servername = strtok(params," ");
2142         char* ipaddr = strtok(NULL," ");
2143         char* ipport = strtok(NULL," ");
2144         char* cookie = strtok(NULL," ");
2145         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2146
2147
2148         bool conn_already = false;
2149         for (int i = 0; i < 32; i++)
2150         {
2151                 if (me[i] != NULL)
2152                 {
2153                         for (int j = 0; j < me[i]->connectors.size(); j++)
2154                         {
2155                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2156                                 {
2157                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2158                                         {
2159                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2160                                                 conn_already = true;
2161                                         }
2162                                 }
2163                         }
2164                 }
2165         }
2166         if (!conn_already)
2167                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2168 }
2169
2170 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2171 {
2172         char* server = strtok(params," ");
2173         char* data = strtok(NULL,"\r\n");
2174         if ((!data) || (!server))
2175         {
2176                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2177                 return;
2178         }
2179
2180         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2181         NetSendToOne(server,data);
2182 }
2183
2184 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2185 {
2186         // IMPORTANT NOTE
2187         // The J token currently has no timestamp - this needs looking at
2188         // because it will allow splitriding.
2189         char* nick = strtok(params," ");
2190         char* channel = strtok(NULL," ");
2191         userrec* user = Find(nick);
2192         while (channel)
2193         {
2194                 if ((user != NULL) && (strcmp(channel,"")))
2195                 {
2196                         char privilage = '\0';
2197                         if (channel[0] != '#')
2198                         {
2199                                 privilage = channel[0];
2200                                 channel++;
2201                         }
2202                         add_channel(user,channel,"",true);
2203
2204                         // now work out the privilages they should have on each channel
2205                         // and send the appropriate servermodes.
2206                         for (int i = 0; i != MAXCHANS; i++)
2207                         {
2208                                 if (user->chans[i].channel)
2209                                 {
2210                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2211                                         {
2212                                                 if (privilage == '@')
2213                                                 {
2214                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2215                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2216                                                 }
2217                                                 if (privilage == '%')
2218                                                 {
2219                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2220                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2221                                                 }
2222                                                 if (privilage == '+')
2223                                                 {
2224                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2225                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2226                                                 }
2227                                         }
2228                                 }
2229                         }
2230
2231                 }
2232                 channel = strtok(NULL," ");
2233         }
2234 }
2235
2236 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2237 {
2238         log(DEBUG,"Storing routing table...");
2239         char* sourceserver = strtok(params," ");
2240         char* server = strtok(NULL," ");
2241         for (int i = 0; i < 32; i++)
2242         {
2243                 if (me[i] != NULL)
2244                 {
2245                         for (int j = 0; j < me[i]->connectors.size(); j++)
2246                         {
2247                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2248                                 {
2249                                         me[i]->connectors[j].routes.clear();
2250                                         log(DEBUG,"Found entry for source server.");
2251                                         while (server)
2252                                         {
2253                                                 // store each route
2254                                                 me[i]->connectors[j].routes.push_back(server);
2255                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2256                                                 server = strtok(NULL," ");
2257                                         }
2258                                         return;
2259                                 }
2260                         }
2261                 }
2262         }
2263         log(DEBUG,"Warning! routing table received from nonexistent server!");
2264 }
2265
2266 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2267 {
2268         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2269         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2270         bool go_again = true;
2271         while (go_again)
2272         {
2273                 go_again = false;
2274                 for (int i = 0; i < 32; i++)
2275                 {
2276                         if (me[i] != NULL)
2277                         {
2278                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2279                                 {
2280                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2281                                         {
2282                                                 j->routes.clear();
2283                                                 j->CloseConnection();
2284                                                 me[i]->connectors.erase(j);
2285                                                 go_again = true;
2286                                                 break;
2287                                         }
2288                                 }
2289                         }
2290                 }
2291         }
2292         log(DEBUG,"Removed server. Will remove clients...");
2293         // iterate through the userlist and remove all users on this server.
2294         // because we're dealing with a mesh, we dont have to deal with anything
2295         // "down-route" from this server (nice huh)
2296         go_again = true;
2297         char reason[MAXBUF];
2298         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2299         while (go_again)
2300         {
2301                 go_again = false;
2302                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2303                 {
2304                         if (!strcasecmp(u->second->server,params))
2305                         {
2306                                 kill_link(u->second,reason);
2307                                 go_again = true;
2308                                 break;
2309                         }
2310                 }
2311         }
2312 }
2313
2314 long authcookie;
2315
2316 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2317 {
2318         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2319         log(DEBUG,"Adding G-line");
2320         char* mask = strtok(params," ");
2321         char* who = strtok(NULL," ");
2322         char* create_time = strtok(NULL," ");
2323         char* duration = strtok(NULL," :");
2324         char* reason = strtok(NULL,"\r\n");
2325         add_gline(atoi(duration),who,reason,mask);
2326         // we must update the creation time on this gline
2327         // now that we've added it, or it wont expire at the right time.
2328         gline_set_creation_time(mask,atoi(create_time));
2329         if (!atoi(duration))
2330         {
2331                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2332         }
2333         else
2334         {
2335                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2336         }
2337         apply_lines();
2338 }
2339
2340 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2341 {
2342         log(DEBUG,"Removing G-line");
2343         char* mask = strtok(params," ");
2344         char* who = strtok(NULL," ");
2345         if (mask)
2346         {
2347                 if (del_gline(mask))
2348                 {
2349                         if (who)
2350                         {
2351                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2352                         }
2353                 }
2354         }
2355 }
2356
2357 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2358 {
2359         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2360         log(DEBUG,"Adding Q-line");
2361         char* mask = strtok(params," ");
2362         char* who = strtok(NULL," ");
2363         char* create_time = strtok(NULL," ");
2364         char* duration = strtok(NULL," :");
2365         char* reason = strtok(NULL,"\r\n");
2366         add_qline(atoi(duration),who,reason,mask);
2367         // we must update the creation time on this gline
2368         // now that we've added it, or it wont expire at the right time.
2369         qline_set_creation_time(mask,atoi(create_time));
2370         qline_make_global(mask);
2371         if (!atoi(duration))
2372         {
2373                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2374         }
2375         else
2376         {
2377                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2378         }
2379         apply_lines();
2380 }
2381
2382 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2383 {
2384         log(DEBUG,"Removing Q-line");
2385         char* mask = strtok(params," ");
2386         char* who = strtok(NULL," ");
2387         if (mask)
2388         {
2389                 if (del_qline(mask))
2390                 {
2391                         if (who)
2392                         {
2393                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2394                         }
2395                 }
2396         }
2397 }
2398
2399 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2400 {
2401         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2402         log(DEBUG,"Adding Z-line");
2403         char* mask = strtok(params," ");
2404         char* who = strtok(NULL," ");
2405         char* create_time = strtok(NULL," ");
2406         char* duration = strtok(NULL," :");
2407         char* reason = strtok(NULL,"\r\n");
2408         add_zline(atoi(duration),who,reason,mask);
2409         // we must update the creation time on this gline
2410         // now that we've added it, or it wont expire at the right time.
2411         zline_set_creation_time(mask,atoi(create_time));
2412         zline_make_global(mask);
2413         if (!atoi(duration))
2414         {
2415                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2416         }
2417         else
2418         {
2419                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2420         }
2421         apply_lines();
2422 }
2423
2424 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2425 {
2426         log(DEBUG,"Removing Z-line");
2427         char* mask = strtok(params," ");
2428         char* who = strtok(NULL," ");
2429         if (mask)
2430         {
2431                 if (del_zline(mask))
2432                 {
2433                         if (who)
2434                         {
2435                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2436                         }
2437                 }
2438         }
2439 }
2440
2441 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2442 {
2443         char* nick = strtok(params," ");
2444         char* type = strtok(params," ");
2445         userrec* u = Find(nick);
2446         if (u)
2447         {
2448                 strlcpy(u->oper,type,NICKMAX);
2449         }
2450 }
2451
2452
2453 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2454 {
2455         char buffer[MAXBUF];
2456
2457         switch(token)
2458         {
2459                 // Y <TS>
2460                 // start netburst
2461                 case 'Y':
2462                         nb_start = TIME;
2463                         WriteOpers("Server %s is starting netburst.",tcp_host);
2464                         // now broadcast this new servers address out to all servers that are linked to us,
2465                         // except the newcomer. They'll all attempt to connect back to it.
2466                         authcookie = rand()*rand();
2467                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2468                         NetSendToAll(buffer);
2469                 break;
2470                 // ~
2471                 // Store authcookie
2472                 // once stored, this authcookie permits other servers to log in
2473                 // without user or password, using it.
2474                 case '~':
2475                         auth_cookies.push_back(atoi(params));
2476                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2477                 break;
2478                 // connect back to a server using an authcookie
2479                 case '+':
2480                         handle_plus(token,params,source,reply,tcp_host);
2481                 break;
2482                 // routing table
2483                 case '$':
2484                         handle_dollar(token,params,source,reply,tcp_host);
2485                 break;
2486                 // node unreachable - we cant route to a server, sooooo we slit it off.
2487                 // servers can generate these for themselves for an squit.
2488                 case '&':
2489                         handle_amp(token,params,source,reply,tcp_host);
2490                 break;
2491                 // R <server> <data>
2492                 // redirect token, send all of <data> along to the given
2493                 // server as this server has been found to still have a route to it
2494                 case 'R':
2495                         handle_R(token,params,source,reply,tcp_host);
2496                 break;
2497                 // ?
2498                 // ping
2499                 case '?':
2500                         reply->SendPacket("!",tcp_host);
2501                 break;
2502                 // ?
2503                 // pong
2504                 case '!':
2505                 break;
2506                 // *
2507                 // no operation
2508                 case '*':
2509                 break;
2510                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2511                 // introduce remote client
2512                 case 'N':
2513                         handle_N(token,params,source,reply,tcp_host);
2514                 break;
2515                 // a <NICK> :<GECOS>
2516                 // change GECOS (SETNAME)
2517                 case 'a':
2518                         handle_a(token,params,source,reply,tcp_host);
2519                 break;
2520                 // b <NICK> :<HOST>
2521                 // change displayed host (SETHOST)
2522                 case 'b':
2523                         handle_b(token,params,source,reply,tcp_host);
2524                 break;
2525                 // t <NICK> <CHANNEL> :<TOPIC>
2526                 // change a channel topic
2527                 case 't':
2528                         handle_t(token,params,source,reply,tcp_host);
2529                 break;
2530                 // i <NICK> <CHANNEL>
2531                 // invite a user to a channel
2532                 case 'i':
2533                         handle_i(token,params,source,reply,tcp_host);
2534                 break;
2535                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2536                 // kick a user from a channel
2537                 case 'k':
2538                         handle_k(token,params,source,reply,tcp_host);
2539                 break;
2540                 // n <NICK> <NEWNICK>
2541                 // change nickname of client -- a server should only be able to
2542                 // change the nicknames of clients that reside on it unless
2543                 // they are ulined.
2544                 case 'n':
2545                         handle_n(token,params,source,reply,tcp_host);
2546                 break;
2547                 // J <NICK> <CHANLIST>
2548                 // Join user to channel list, merge channel permissions
2549                 case 'J':
2550                         handle_J(token,params,source,reply,tcp_host);
2551                 break;
2552                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2553                 // change channel topic (netburst only)
2554                 case 'T':
2555                         handle_T(token,params,source,reply,tcp_host);
2556                 break;
2557                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2558                 // Server setting modes on an object
2559                 case 'M':
2560                         handle_M(token,params,source,reply,tcp_host);
2561                 break;
2562                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2563                 // User setting modes on an object
2564                 case 'm':
2565                         handle_m(token,params,source,reply,tcp_host);
2566                 break;
2567                 // P <SOURCE> <TARGET> :<TEXT>
2568                 // Send a private/channel message
2569                 case 'P':
2570                         handle_P(token,params,source,reply,tcp_host);
2571                 break;
2572                 // V <SOURCE> <TARGET> :<TEXT>
2573                 // Send a private/channel notice
2574                 case 'V':
2575                         handle_V(token,params,source,reply,tcp_host);
2576                 break;
2577                 // L <SOURCE> <CHANNEL> :<REASON>
2578                 // User parting a channel
2579                 case 'L':
2580                         handle_L(token,params,source,reply,tcp_host);
2581                 break;
2582                 // Q <SOURCE> :<REASON>
2583                 // user quitting
2584                 case 'Q':
2585                         handle_Q(token,params,source,reply,tcp_host);
2586                 break;
2587                 // H <SERVER>
2588                 // introduce non-meshable server (such as a services server)
2589                 case 'H':
2590                         handle_H(token,params,source,reply,tcp_host);
2591                 break;
2592                 // K <SOURCE> <DEST> :<REASON>
2593                 // remote kill
2594                 case 'K':
2595                         handle_K(token,params,source,reply,tcp_host);
2596                 break;
2597                 // @ <SOURCE> :<TEXT>
2598                 // wallops
2599                 case '@':
2600                         handle_AT(token,params,source,reply,tcp_host);
2601                 break;
2602                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2603                 // add gline
2604                 case '#':
2605                         handle_hash(token,params,source,reply,tcp_host);
2606                 break;
2607                 // . <mask> <who>
2608                 // remove gline
2609                 case '.':
2610                         handle_dot(token,params,source,reply,tcp_host);
2611                 break;
2612                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2613                 // add gline
2614                 case '{':
2615                         handle_add_sqline(token,params,source,reply,tcp_host);
2616                 break;
2617                 // . <mask> <who>
2618                 // remove gline
2619                 case '[':
2620                         handle_del_sqline(token,params,source,reply,tcp_host);
2621                 break;
2622                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2623                 // add gline
2624                 case '}':
2625                         handle_add_szline(token,params,source,reply,tcp_host);
2626                 break;
2627                 // . <mask> <who>
2628                 // remove gline
2629                 case ']':
2630                         handle_del_szline(token,params,source,reply,tcp_host);
2631                 break;
2632                 // | <nick> <opertype>
2633                 // set opertype
2634                 case '|':
2635                         handle_pipe(token,params,source,reply,tcp_host);
2636                 break;
2637                 // F <TS>
2638                 // end netburst
2639                 case 'F':
2640                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2641                         handle_F(token,params,source,reply,tcp_host);
2642                         nb_start = 0;
2643                         // tell all the other servers to use this authcookie to connect back again
2644                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2645                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2646                         NetSendToAllExcept(tcp_host,buffer);
2647                 break;
2648                 case '/':
2649                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2650                         strlcpy(source->nickserv,params,NICKMAX);
2651                 break;
2652                 // F <TS>
2653                 // end netburst with no mesh creation
2654                 case 'f':
2655                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2656                         handle_F(token,params,source,reply,tcp_host);
2657                         nb_start = 0;
2658                         // tell everyone else about the new server name so they just add it in the disconnected
2659                         // state
2660                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2661                         NetSendToAllExcept(tcp_host,buffer);
2662                 break;
2663                 // X <reserved>
2664                 // Send netburst now
2665                 case 'X':
2666                         WriteOpers("Sending my netburst to %s",tcp_host);
2667                         DoSync(source,tcp_host);
2668                         WriteOpers("Send of netburst to %s completed",tcp_host);
2669                         NetSendMyRoutingTable();
2670                 break;
2671                 // anything else
2672                 default:
2673                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2674                 break;
2675         }
2676 }
2677
2678
2679 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2680 {
2681         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2682         {
2683                 // a user on a server port, just close their connection.
2684                 RemoveServer(tcp_host);
2685                 return;
2686         }
2687
2688         char response[10240];
2689         char token = udp_msg[0];
2690         char* old = udp_msg;
2691
2692         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2693         {
2694                 char* src = udp_msg+1;
2695                 while (udp_msg[0] != ' ')
2696                         udp_msg++;
2697                 udp_msg[0] = 0;
2698                 udp_msg++;
2699                 char* comd = udp_msg;
2700                 while (udp_msg[0] != ' ')
2701                         udp_msg++;
2702                 udp_msg[0] = 0;
2703                 udp_msg++;
2704                 char data[MAXBUF];
2705                 char source[MAXBUF];
2706                 char command[MAXBUF];
2707                 strlcpy(data,udp_msg,512);
2708                 strlcpy(source,src,MAXBUF);
2709                 strlcpy(command,comd,MAXBUF);
2710                 udp_msg = old;
2711
2712                 // unused numeric:
2713                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2714                 if (!strcmp(command,"433"))
2715                 {
2716                         token = '*';
2717                 }
2718                 if (!strcmp(command,"432"))
2719                 {
2720                         token = '*';
2721                 }
2722                 if (!strcmp(command,"NOTICE"))
2723                 {
2724                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2725                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2726                         token = udp_msg[0];
2727                 }
2728                 if (!strcmp(command,"QUIT"))
2729                 {
2730                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2731                         {
2732                                 strcpy(data,":No reason");
2733                         }
2734                         if (!strcmp(data,":"))
2735                         {
2736                                 strcpy(data,":No reason");
2737                         }
2738                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2739                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2740                         token = udp_msg[0];
2741                 }
2742                 if (!strcmp(command,"SQUIT"))
2743                 {
2744                         snprintf(udp_msg,MAXBUF,"& %s",source);
2745                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2746                         token = udp_msg[0];
2747                 }
2748                 if (!strcmp(command,"SVSMODE"))
2749                 {
2750                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2751                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2752                         token = udp_msg[0];
2753                 }
2754                 if (!strcmp(command,"SVS2MODE"))
2755                 {
2756                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2757                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2758                         token = udp_msg[0];
2759                 }
2760                 // todo: this wont work without u:lines
2761                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2762                 if (!strcmp(command,"MODE"))
2763                 {
2764                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2765                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2766                         token = udp_msg[0];
2767                 }
2768                 if (!strcmp(command,"KICK"))
2769                 {
2770                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2771                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2772                         token = udp_msg[0];
2773                 }
2774                 if (!strcmp(command,"KILL"))
2775                 {
2776                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2777                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2778                         token = udp_msg[0];
2779                 }
2780                 if (!strcmp(command,"SVSJOIN"))
2781                 {
2782                         snprintf(udp_msg,MAXBUF,"J %s",data);
2783                         NetSendToOne(tcp_host,udp_msg);
2784                         char* nick = strtok(data," ");
2785                         char* chan = strtok(NULL," ");
2786                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2787                         userrec* u = Find(nick);
2788                         if (u)
2789                         {
2790                                 add_channel(u,chan,"",true);
2791                         }
2792                         token = udp_msg[0];
2793                 }
2794
2795         }
2796
2797
2798         char* params = udp_msg + 2;
2799         char finalparam[1024];
2800         strcpy(finalparam," :xxxx");
2801         if (strstr(udp_msg," :")) {
2802                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2803         }
2804
2805
2806         if (token == '-') {
2807                 char* cookie = strtok(params," ");
2808                 char* servername = strtok(NULL," ");
2809                 char* serverdesc = finalparam+2;
2810
2811                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2812
2813                 for (int u = 0; u < auth_cookies.size(); u++)
2814                 {
2815                         if (auth_cookies[u] == atoi(cookie))
2816                         {
2817                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2818
2819
2820                                 for (int j = 0; j < 32; j++)
2821                                 {
2822                                         if (me[j] != NULL)
2823                                         {
2824                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2825                                                 {
2826                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2827                                                         {
2828                                                                 me[j]->connectors[k].SetServerName(servername);
2829                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2830                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2831                                                                 NetSendMyRoutingTable();
2832                                                                 return;
2833                                                         }
2834                                                 }
2835                                         }
2836                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2837                                         return;
2838                                 }
2839
2840
2841                                 return;
2842                         }
2843                 }
2844                 // bad cookie, bad bad! go sit in the corner!
2845                 WriteOpers("Bad cookie from %s!",servername);
2846                 return;
2847         }
2848         else
2849         if (token == 'S') {
2850                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2851                 char* servername = strtok(params," ");
2852                 char* password = strtok(NULL," ");
2853                 char* myport = strtok(NULL," ");
2854                 char* revision = strtok(NULL," ");
2855                 char* serverdesc = finalparam+2;
2856
2857                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2858
2859                 ircd_connector* cn = serv->FindHost(servername);
2860
2861                 if (cn)
2862                 {
2863                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2864                         char buffer[MAXBUF];
2865                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2866                         serv->SendPacket(buffer,tcp_host);
2867                         RemoveServer(tcp_host);
2868                         return;
2869                 }
2870
2871                 if (atoi(revision) != GetRevision())
2872                 {
2873                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2874                         char buffer[MAXBUF];
2875                         sprintf(buffer,"E :Version number mismatch");
2876                         serv->SendPacket(buffer,tcp_host);
2877                         RemoveServer(tcp_host);
2878                         RemoveServer(servername);
2879                         return;
2880                 }
2881
2882                 for (int j = 0; j < serv->connectors.size(); j++)
2883                 {
2884                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2885                         {
2886                                 serv->connectors[j].SetServerName(servername);
2887                                 serv->connectors[j].SetDescription(serverdesc);
2888                                 serv->connectors[j].SetServerPort(atoi(myport));
2889                         }
2890                 }
2891
2892
2893                 char Link_ServerName[1024];
2894                 char Link_IPAddr[1024];
2895                 char Link_Port[1024];
2896                 char Link_Pass[1024];
2897                 char Link_SendPass[1024];
2898                 int LinkPort = 0;
2899
2900                 // search for a corresponding <link> block in the config files
2901                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2902                 {
2903                         ConfValue("link","name",i,Link_ServerName,&config_f);
2904                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2905                         ConfValue("link","port",i,Link_Port,&config_f);
2906                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2907                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2908                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2909                         LinkPort = atoi(Link_Port);
2910                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2911                         {
2912                                 // we have a matching link line -
2913                                 // send a 'diminutive' server message back...
2914                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
2915                                 serv->SendPacket(response,servername);
2916
2917                                 for (int t = 0; t < serv->connectors.size(); t++)
2918                                 {
2919                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
2920                                         {
2921                                                 serv->connectors[t].SetState(STATE_CONNECTED);
2922                                         }
2923                                 }
2924
2925                                 return;
2926                         }
2927                 }
2928                 char buffer[MAXBUF];
2929                 sprintf(buffer,"E :Access is denied (no matching link block)");
2930                 serv->SendPacket(buffer,tcp_host);
2931                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2932                 RemoveServer(tcp_host);
2933                 RemoveServer(servername);
2934                 return;
2935         }
2936         else
2937         if (token == 's') {
2938                 // S test.chatspike.net password :ChatSpike InspIRCd test server
2939                 char* servername = strtok(params," ");
2940                 char* password = strtok(NULL," ");
2941                 char* serverdesc = finalparam+2;
2942
2943                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
2944                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
2945                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
2946                 // a connect, so put out an oper alert!
2947
2948                 // for now, just accept all, we'll fix that later.
2949                 WriteOpers("%s accepted our link credentials ",servername);
2950
2951                 char Link_ServerName[1024];
2952                 char Link_IPAddr[1024];
2953                 char Link_Port[1024];
2954                 char Link_Pass[1024];
2955                 char Link_SendPass[1024];
2956                 int LinkPort = 0;
2957
2958                 // search for a corresponding <link> block in the config files
2959                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2960                 {
2961                         ConfValue("link","name",i,Link_ServerName,&config_f);
2962                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2963                         ConfValue("link","port",i,Link_Port,&config_f);
2964                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2965                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2966                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2967                         LinkPort = atoi(Link_Port);
2968                         if (!strcasecmp(Link_ServerName,servername))
2969                         {
2970                                 // matching link at this end too, we're all done!
2971                                 // at this point we must begin key exchange and insert this
2972                                 // server into our 'active' table.
2973                                 for (int j = 0; j < 32; j++)
2974                                 {
2975                                         if (me[j] != NULL)
2976                                         {
2977                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2978                                                 {
2979                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2980                                                         {
2981                                                                 char buffer[MAXBUF];
2982                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2983                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2984                                                                 sprintf(buffer,"X 0");
2985                                                                 serv->SendPacket(buffer,tcp_host);
2986                                                                 DoSync(me[j],tcp_host);
2987                                                                 NetSendMyRoutingTable();
2988                                                                 return;
2989                                                         }
2990                                                 }
2991                                         }
2992                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
2993                                         return;
2994                                 }
2995                         }
2996                         else {
2997                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
2998                         }
2999                 }
3000                 char buffer[MAXBUF];
3001                 sprintf(buffer,"E :Access is denied (no matching link block)");
3002                 serv->SendPacket(buffer,tcp_host);
3003                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3004                 RemoveServer(tcp_host);
3005                 RemoveServer(servername);
3006                 return;
3007         }
3008         else
3009         if (token == 'U') {
3010                 // U services.chatspike.net password :ChatSpike Services
3011                 //
3012                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3013                 char* servername = strtok(params," ");
3014                 char* password = strtok(NULL," ");
3015                 char* serverdesc = finalparam+2;
3016
3017                 char Link_ServerName[1024];
3018                 char Link_IPAddr[1024];
3019                 char Link_Port[1024];
3020                 char Link_Pass[1024];
3021                 char Link_SendPass[1024];
3022                 int LinkPort = 0;
3023
3024                 // search for a corresponding <link> block in the config files
3025                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3026                 {
3027                         ConfValue("link","name",i,Link_ServerName,&config_f);
3028                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3029                         ConfValue("link","port",i,Link_Port,&config_f);
3030                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3031                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3032                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3033                         LinkPort = atoi(Link_Port);
3034                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3035                         {
3036                                 // matching link at this end too, we're all done!
3037                                 // at this point we must begin key exchange and insert this
3038                                 // server into our 'active' table.
3039                                 for (int j = 0; j < 32; j++)
3040                                 {
3041                                         if (me[j] != NULL)
3042                                         {
3043                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3044                                                 {
3045                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3046                                                         {
3047                                                                 char buffer[MAXBUF];
3048                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3049                                                                 me[j]->connectors[k].SetServerName(servername);
3050                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3051                                                                 sprintf(buffer,"X 0");
3052                                                                 serv->SendPacket(buffer,servername);
3053                                                                 DoSync(me[j],servername);
3054                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3055                                                                 NetSendToAllExcept(servername,buffer);
3056                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3057                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3058                                                                 NetSendMyRoutingTable();
3059                                                                 return;
3060                                                         }
3061                                                 }
3062                                         }
3063                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3064                                         return;
3065                                 }
3066                         }
3067                         else {
3068                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3069                         }
3070                 }
3071                 char buffer[MAXBUF];
3072                 sprintf(buffer,"E :Access is denied (no matching link block)");
3073                 serv->SendPacket(buffer,tcp_host);
3074                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3075                 RemoveServer(tcp_host);
3076                 RemoveServer(servername);
3077                 return;
3078         }
3079         else
3080         if (token == 'E') {
3081                 char* error_message = finalparam+2;
3082                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3083                 return;
3084         }
3085         else {
3086
3087                 serverrec* source_server = NULL;
3088
3089                 for (int j = 0; j < 32; j++)
3090                 {
3091                         if (me[j] != NULL)
3092                         {
3093                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3094                                 {
3095                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3096                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3097                                         {
3098                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3099                                                 {
3100                                                         // found a valid ircd_connector.
3101                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3102                                                         return;
3103                                                 }
3104                                         }
3105                                 }
3106                         }
3107                 }
3108
3109                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3110         }
3111 }
3112
3113 long duration(char* str)
3114 {
3115         char n_field[MAXBUF];
3116         long total = 0;
3117         char* str_end = str + strlen(str);
3118         n_field[0] = 0;
3119
3120         for (char* i = str; i < str_end; i++)
3121         {
3122                 // if we have digits, build up a string for the value in n_field,
3123                 // up to 10 digits in size.
3124                 if ((*i >= '0') && (*i <= '9'))
3125                 {
3126                         strlcat(n_field,i,10);
3127                 }
3128                 else
3129                 {
3130                         // we dont have a digit, check for numeric tokens
3131                         switch (tolower(*i))
3132                         {
3133                                 case 's':
3134                                         total += atoi(n_field);
3135                                 break;
3136
3137                                 case 'm':
3138                                         total += (atoi(n_field)*duration_m);
3139                                 break;
3140
3141                                 case 'h':
3142                                         total += (atoi(n_field)*duration_h);
3143                                 break;
3144
3145                                 case 'd':
3146                                         total += (atoi(n_field)*duration_d);
3147                                 break;
3148
3149                                 case 'w':
3150                                         total += (atoi(n_field)*duration_w);
3151                                 break;
3152
3153                                 case 'y':
3154                                         total += (atoi(n_field)*duration_y);
3155                                 break;
3156                         }
3157                         n_field[0] = 0;
3158                 }
3159         }
3160         // add trailing seconds
3161         total += atoi(n_field);
3162
3163         return total;
3164 }
3165
3166
3167 void handle_kline(char **parameters, int pcnt, userrec *user)
3168 {
3169         if (pcnt >= 3)
3170         {
3171                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3172                 if (!duration(parameters[1]))
3173                 {
3174                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3175                 }
3176                 else
3177                 {
3178                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3179                 }
3180         }
3181         else
3182         {
3183                 if (del_kline(parameters[0]))
3184                 {
3185                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3186                 }
3187                 else
3188                 {
3189                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3190                 }
3191         }
3192         apply_lines();
3193 }
3194
3195 void handle_eline(char **parameters, int pcnt, userrec *user)
3196 {
3197         if (pcnt >= 3)
3198         {
3199                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3200                 if (!duration(parameters[1]))
3201                 {
3202                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3203                 }
3204                 else
3205                 {
3206                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3207                 }
3208         }
3209         else
3210         {
3211                 if (del_eline(parameters[0]))
3212                 {
3213                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3214                 }
3215                 else
3216                 {
3217                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3218                 }
3219         }
3220         // no need to apply the lines for an eline
3221 }
3222
3223 void handle_gline(char **parameters, int pcnt, userrec *user)
3224 {
3225         char netdata[MAXBUF];
3226         if (pcnt >= 3)
3227         {
3228                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3229                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3230                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3231                 NetSendToAll(netdata);
3232                 if (!duration(parameters[1]))
3233                 {
3234                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3235                 }
3236                 else
3237                 {
3238                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3239                 }
3240         }
3241         else
3242         {
3243                 if (del_gline(parameters[0]))
3244                 {
3245                         // . <mask> <who-removed-it>
3246                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3247                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3248                 }
3249                 else
3250                 {
3251                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3252                 }
3253         }
3254         apply_lines();
3255 }
3256
3257 void handle_zline(char **parameters, int pcnt, userrec *user)
3258 {
3259         if (pcnt >= 3)
3260         {
3261                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3262                 if (!duration(parameters[1]))
3263                 {
3264                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3265                 }
3266                 else
3267                 {
3268                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3269                 }
3270         }
3271         else
3272         {
3273                 if (del_zline(parameters[0]))
3274                 {
3275                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3276                 }
3277                 else
3278                 {
3279                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3280                 }
3281         }
3282         apply_lines();
3283 }
3284
3285 void handle_qline(char **parameters, int pcnt, userrec *user)
3286 {
3287         if (pcnt >= 3)
3288         {
3289                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3290                 if (!duration(parameters[1]))
3291                 {
3292                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3293                 }
3294                 else
3295                 {
3296                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3297                 }
3298         }
3299         else
3300         {
3301                 if (del_qline(parameters[0]))
3302                 {
3303                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3304                 }
3305                 else
3306                 {
3307                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3308                 }
3309         }
3310         apply_lines();
3311 }
3312
3313