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 <sys/types.h>
  43 #include <sys/time.h>
  44 #include <sys/resource.h>
  45 #define   RUSAGE_SELF     0
  46 #define   RUSAGE_CHILDREN     -1
  47 #include "connection.h"
  48 #include "users.h"
  49 #include "servers.h"
  50 #include "ctables.h"
  51 #include "globals.h"
  52 #include "modules.h"
  53 #include "dynamic.h"
  54 #include "wildcard.h"
  55 #include "message.h"
  56 #include "mode.h"
  57 #include "xline.h"
  58 #include "inspstring.h"
  59 #include "dnsqueue.h"
  60
  61 #ifdef GCC3
  62 #define nspace __gnu_cxx
  63 #else
  64 #define nspace std
  65 #endif
  66
  67 using namespace std;
  68
  69 extern int MODCOUNT;
  70 extern std::vector<Module*> modules;
  71 extern std::vector<ircd_module*> factory;
  72
  73 extern int LogLevel;
  74 extern char ServerName[MAXBUF];
  75 extern char Network[MAXBUF];
  76 extern char ServerDesc[MAXBUF];
  77 extern char AdminName[MAXBUF];
  78 extern char AdminEmail[MAXBUF];
  79 extern char AdminNick[MAXBUF];
  80 extern char diepass[MAXBUF];
  81 extern char restartpass[MAXBUF];
  82 extern char motd[MAXBUF];
  83 extern char rules[MAXBUF];
  84 extern char list[MAXBUF];
  85 extern char PrefixQuit[MAXBUF];
  86 extern char DieValue[MAXBUF];
  87
  88 extern int debugging;
  89 extern int WHOWAS_STALE;
  90 extern int WHOWAS_MAX;
  91 extern int DieDelay;
  92 extern time_t startup_time;
  93 extern int NetBufferSize;
  94 extern int MaxWhoResults;
  95 extern time_t nb_start;
  96
  97 extern bool nofork;
  98
  99 extern time_t TIME;
 100
 101 extern std::vector<std::string> module_names;
 102
 103 extern char MyExecutable[1024];
 104 extern int boundPortCount;
 105 extern int portCount;
 106 extern int UDPportCount;
 107 extern int ports[MAXSOCKS];
 108 extern int defaultRoute;
 109
 110 extern std::vector<long> auth_cookies;
 111 extern std::stringstream config_f;
 112
 113 extern serverrec* me[32];
 114
 115 extern FILE *log_file;
 116
 117 extern ClassVector Classes;
 118
 119 const long duration_m = 60;
 120 const long duration_h = duration_m * 60;
 121 const long duration_d = duration_h * 24;
 122 const long duration_w = duration_d * 7;
 123 const long duration_y = duration_w * 52;
 124
 125 namespace nspace
 126 {
 127 #ifdef GCC34
 128         template<> struct hash<in_addr>
 129 #else
 130         template<> struct nspace::hash<in_addr>
 131 #endif
 132         {
 133                 size_t operator()(const struct in_addr &a) const
 134                 {
 135                         size_t q;
 136                         memcpy(&q,&a,sizeof(size_t));
 137                         return q;
 138                 }
 139         };
 140 #ifdef GCC34
 141         template<> struct hash<string>
 142 #else
 143         template<> struct nspace::hash<string>
 144 #endif
 145         {
 146                 size_t operator()(const string &s) const
 147                 {
 148                         char a[MAXBUF];
 149                         static struct hash<const char *> strhash;
 150                         strlcpy(a,s.c_str(),MAXBUF);
 151                         strlower(a);
 152                         return strhash(a);
 153                 }
 154         };
 155 }
 156
 157
 158 struct StrHashComp
 159 {
 160
 161         bool operator()(const string& s1, const string& s2) const
 162         {
 163                 char a[MAXBUF],b[MAXBUF];
 164                 strlcpy(a,s1.c_str(),MAXBUF);
 165                 strlcpy(b,s2.c_str(),MAXBUF);
 166                 strlower(a);
 167                 strlower(b);
 168                 return (strcasecmp(a,b) == 0);
 169         }
 170
 171 };
 172
 173 struct InAddr_HashComp
 174 {
 175
 176         bool operator()(const in_addr &s1, const in_addr &s2) const
 177         {
 178                 size_t q;
 179                 size_t p;
 180
 181                 memcpy(&q,&s1,sizeof(size_t));
 182                 memcpy(&p,&s2,sizeof(size_t));
 183
 184                 return (q == p);
 185         }
 186
 187 };
 188
 189
 190 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 191 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 192 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 193 typedef std::deque<command_t> command_table;
 194
 195
 196 extern user_hash clientlist;
 197 extern chan_hash chanlist;
 198 extern user_hash whowas;
 199 extern command_table cmdlist;
 200 extern file_cache MOTD;
 201 extern file_cache RULES;
 202 extern address_cache IP;
 203
 204 extern std::vector<userrec*> all_opers;
 205
 206 // This table references users by file descriptor.
 207 // its an array to make it VERY fast, as all lookups are referenced
 208 // by an integer, meaning there is no need for a scan/search operation.
 209 extern userrec* fd_ref_table[65536];
 210
 211 extern int statsAccept,statsRefused,statsUnknown,statsCollisions,statsDns,statsDnsGood,statsDnsBad,statsConnects,statsSent,statsRecv;
 212
 213 void handle_join(char **parameters, int pcnt, userrec *user)
 214 {
 215         chanrec* Ptr;
 216
 217         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 218                 return;
 219         if (parameters[0][0] == '#')
 220         {
 221                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 222         }
 223 }
 224
 225
 226 void handle_part(char **parameters, int pcnt, userrec *user)
 227 {
 228         if (pcnt > 1)
 229         {
 230                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 231                         return;
 232                 del_channel(user,parameters[0],parameters[1],false);
 233         }
 234         else
 235         {
 236                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 237                         return;
 238                 del_channel(user,parameters[0],NULL,false);
 239         }
 240 }
 241
 242 void handle_kick(char **parameters, int pcnt, userrec *user)
 243 {
 244         chanrec* Ptr = FindChan(parameters[0]);
 245         userrec* u   = Find(parameters[1]);
 246
 247         if ((!u) || (!Ptr))
 248         {
 249                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 250                 return;
 251         }
 252
 253         if (!has_channel(user,Ptr))
 254         {
 255                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 256                 return;
 257         }
 258
 259         char reason[MAXBUF];
 260
 261         if (pcnt > 2)
 262         {
 263                 strlcpy(reason,parameters[2],MAXBUF);
 264                 if (strlen(reason)>MAXKICK)
 265                 {
 266                         reason[MAXKICK-1] = '\0';
 267                 }
 268
 269                 kick_channel(user,u,Ptr,reason);
 270         }
 271         else
 272         {
 273                 strlcpy(reason,user->nick,MAXBUF);
 274                 kick_channel(user,u,Ptr,reason);
 275         }
 276
 277         // this must be propogated so that channel membership is kept in step network-wide
 278         char buffer[MAXBUF];
 279         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 280         NetSendToAll(buffer);
 281 }
 282
 283 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 284 {
 285         if (LoadModule(parameters[0]))
 286         {
 287                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 288                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 289         }
 290         else
 291         {
 292                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 293         }
 294 }
 295
 296 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 297 {
 298         if (UnloadModule(parameters[0]))
 299         {
 300                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 301                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 302         }
 303         else
 304         {
 305                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 306         }
 307 }
 308
 309 void handle_die(char **parameters, int pcnt, userrec *user)
 310 {
 311         log(DEBUG,"die: %s",user->nick);
 312         if (!strcmp(parameters[0],diepass))
 313         {
 314                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 315                 sleep(DieDelay);
 316                 Exit(ERROR);
 317         }
 318         else
 319         {
 320                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 321         }
 322 }
 323
 324 void handle_restart(char **parameters, int pcnt, userrec *user)
 325 {
 326         char *argv[32];
 327         log(DEFAULT,"Restart: %s",user->nick);
 328         if (!strcmp(parameters[0],restartpass))
 329         {
 330                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 331
 332                 argv[0] = MyExecutable;
 333                 argv[1] = "-wait";
 334                 if (nofork)
 335                 {
 336                         argv[2] = "-nofork";
 337                 }
 338                 else
 339                 {
 340                         argv[2] = NULL;
 341                 }
 342                 argv[3] = NULL;
 343
 344                 // close ALL file descriptors
 345                 send_error("Server restarting.");
 346                 sleep(1);
 347                 for (int i = 0; i < 65536; i++)
 348                 {
 349                         int on = 1;
 350                         struct linger linger = { 0 };
 351                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 352                         linger.l_onoff = 1;
 353                         linger.l_linger = 1;
 354                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 355                         Blocking(i);
 356                         close(i);
 357                 }
 358                 sleep(2);
 359
 360                 execv(MyExecutable,argv);
 361
 362                 exit(0);
 363         }
 364         else
 365         {
 366                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 367         }
 368 }
 369
 370 void handle_kill(char **parameters, int pcnt, userrec *user)
 371 {
 372         userrec *u = Find(parameters[0]);
 373         char killreason[MAXBUF];
 374
 375         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 376         if (u)
 377         {
 378                 log(DEBUG,"into kill mechanism");
 379                 int MOD_RESULT = 0;
 380                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 381                 if (MOD_RESULT) {
 382                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 383                         return;
 384                 }
 385
 386                 if (strcmp(ServerName,u->server))
 387                 {
 388                         // remote kill
 389                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 390                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 391                         WriteCommonExcept(u,"QUIT :%s",killreason);
 392                         // K token must go to ALL servers!!!
 393                         char buffer[MAXBUF];
 394                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 395                         NetSendToAll(buffer);
 396
 397                         user_hash::iterator iter = clientlist.find(u->nick);
 398                         if (iter != clientlist.end())
 399                         {
 400                                 log(DEBUG,"deleting user hash value %d",iter->second);
 401                                 clientlist.erase(iter);
 402                         }
 403                         if (u->registered == 7)
 404                         {
 405                                 purge_empty_chans(u);
 406                         }
 407                         if (u->fd > -1)
 408                                 fd_ref_table[u->fd] = NULL;
 409                         delete u;
 410                 }
 411                 else
 412                 {
 413                         // local kill
 414                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 415                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 416                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 417                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 418                         kill_link(u,killreason);
 419                 }
 420         }
 421         else
 422         {
 423                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 424         }
 425 }
 426
 427 void handle_summon(char **parameters, int pcnt, userrec *user)
 428 {
 429         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 430 }
 431
 432 void handle_users(char **parameters, int pcnt, userrec *user)
 433 {
 434         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 435 }
 436
 437 void handle_pass(char **parameters, int pcnt, userrec *user)
 438 {
 439         // Check to make sure they havnt registered -- Fix by FCS
 440         if (user->registered == 7)
 441         {
 442                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 443                 return;
 444         }
 445         strlcpy(user->password,parameters[0],MAXBUF);
 446         if (!strcasecmp(parameters[0],Passwd(user)))
 447         {
 448                 user->haspassed = true;
 449         }
 450 }
 451
 452 void handle_invite(char **parameters, int pcnt, userrec *user)
 453 {
 454         userrec* u = Find(parameters[0]);
 455         chanrec* c = FindChan(parameters[1]);
 456
 457         if ((!c) || (!u))
 458         {
 459                 if (!c)
 460                 {
 461                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 462                 }
 463                 else
 464                 {
 465                         if (c->inviteonly)
 466                         {
 467                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 468                         }
 469                 }
 470
 471                 return;
 472         }
 473
 474         if (c->inviteonly)
 475         {
 476                 if (cstatus(user,c) < STATUS_HOP)
 477                 {
 478                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 479                         return;
 480                 }
 481         }
 482         if (has_channel(u,c))
 483         {
 484                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 485                 return;
 486         }
 487         if (!has_channel(user,c))
 488         {
 489                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 490                 return;
 491         }
 492
 493         int MOD_RESULT = 0;
 494         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 495         if (MOD_RESULT == 1) {
 496                 return;
 497         }
 498
 499         u->InviteTo(c->name);
 500         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 501         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 502
 503         // i token must go to ALL servers!!!
 504         char buffer[MAXBUF];
 505         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 506         NetSendToAll(buffer);
 507 }
 508
 509 void handle_topic(char **parameters, int pcnt, userrec *user)
 510 {
 511         chanrec* Ptr;
 512
 513         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))) && (Ptr->secret))
 521                                 {
 522                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 523                                         return;
 524                                 }
 525                                 if (Ptr->topicset)
 526                                 {
 527                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 528                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 529                                 }
 530                                 else
 531                                 {
 532                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 533                                 }
 534                         }
 535                         else
 536                         {
 537                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 538                         }
 539                 }
 540                 return;
 541         }
 542         else if (pcnt>1)
 543         {
 544                 if (strlen(parameters[0]) <= CHANMAX)
 545                 {
 546                         Ptr = FindChan(parameters[0]);
 547                         if (Ptr)
 548                         {
 549                                 if ((Ptr) && (!has_channel(user,Ptr)))
 550                                 {
 551                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 552                                         return;
 553                                 }
 554                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 555                                 {
 556                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 557                                         return;
 558                                 }
 559
 560                                 char topic[MAXBUF];
 561                                 strlcpy(topic,parameters[1],MAXBUF);
 562                                 if (strlen(topic)>MAXTOPIC)
 563                                 {
 564                                         topic[MAXTOPIC-1] = '\0';
 565                                 }
 566
 567                                 if (!strcasecmp(user->server,ServerName))
 568                                 {
 569                                         int MOD_RESULT = 0;
 570                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 571                                         if (MOD_RESULT)
 572                                                 return;
 573                                 }
 574
 575                                 strlcpy(Ptr->topic,topic,MAXBUF);
 576                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 577                                 Ptr->topicset = TIME;
 578                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 579
 580                                 // t token must go to ALL servers!!!
 581                                 char buffer[MAXBUF];
 582                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 583                                 NetSendToAll(buffer);
 584                         }
 585                         else
 586                         {
 587                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 588                         }
 589                 }
 590         }
 591 }
 592
 593 void handle_names(char **parameters, int pcnt, userrec *user)
 594 {
 595         chanrec* c;
 596
 597         if (!pcnt)
 598         {
 599                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 600                 return;
 601         }
 602
 603         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 604                 return;
 605         c = FindChan(parameters[0]);
 606         if (c)
 607         {
 608                 if (((c) && (!has_channel(user,c))) && (c->secret))
 609                 {
 610                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 611                       return;
 612                 }
 613                 userlist(user,c);
 614                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 615         }
 616         else
 617         {
 618                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 619         }
 620 }
 621
 622 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 623 {
 624         userrec *dest;
 625         chanrec *chan;
 626
 627         user->idle_lastmsg = TIME;
 628
 629         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 630                 return;
 631         if (parameters[0][0] == '#')
 632         {
 633                 chan = FindChan(parameters[0]);
 634                 if (chan)
 635                 {
 636                         if ((chan->noexternal) && (!has_channel(user,chan)))
 637                         {
 638                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 639                                 return;
 640                         }
 641                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 642                         {
 643                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 644                                 return;
 645                         }
 646
 647                         int MOD_RESULT = 0;
 648
 649                         std::string temp = parameters[1];
 650                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 651                         if (MOD_RESULT) {
 652                                 return;
 653                         }
 654                         parameters[1] = (char*)temp.c_str();
 655
 656                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 657
 658                         // if any users of this channel are on remote servers, broadcast the packet
 659                         char buffer[MAXBUF];
 660                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 661                         NetSendToCommon(user,buffer);
 662                 }
 663                 else
 664                 {
 665                         /* no such nick/channel */
 666                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 667                 }
 668                 return;
 669         }
 670
 671         dest = Find(parameters[0]);
 672         if (dest)
 673         {
 674                 if (strcmp(dest->awaymsg,""))
 675                 {
 676                         /* auto respond with aweh msg */
 677                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 678                 }
 679
 680                 int MOD_RESULT = 0;
 681
 682                 std::string temp = parameters[1];
 683                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 684                 if (MOD_RESULT) {
 685                         return;
 686                 }
 687                 parameters[1] = (char*)temp.c_str();
 688
 689
 690
 691                 if (!strcmp(dest->server,user->server))
 692                 {
 693                         // direct write, same server
 694                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 695                 }
 696                 else
 697                 {
 698                         char buffer[MAXBUF];
 699                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 700                         NetSendToOne(dest->server,buffer);
 701                 }
 702         }
 703         else
 704         {
 705                 /* no such nick/channel */
 706                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 707         }
 708 }
 709
 710 void handle_notice(char **parameters, int pcnt, userrec *user)
 711 {
 712         userrec *dest;
 713         chanrec *chan;
 714
 715         user->idle_lastmsg = TIME;
 716
 717         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 718                 return;
 719         if (parameters[0][0] == '#')
 720         {
 721                 chan = FindChan(parameters[0]);
 722                 if (chan)
 723                 {
 724                         if ((chan->noexternal) && (!has_channel(user,chan)))
 725                         {
 726                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 727                                 return;
 728                         }
 729                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 730                         {
 731                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 732                                 return;
 733                         }
 734
 735                         int MOD_RESULT = 0;
 736
 737                         std::string temp = parameters[1];
 738                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 739                         if (MOD_RESULT) {
 740                                 return;
 741                         }
 742                         parameters[1] = (char*)temp.c_str();
 743
 744                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 745
 746                         // if any users of this channel are on remote servers, broadcast the packet
 747                         char buffer[MAXBUF];
 748                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 749                         NetSendToCommon(user,buffer);
 750                 }
 751                 else
 752                 {
 753                         /* no such nick/channel */
 754                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 755                 }
 756                 return;
 757         }
 758
 759         dest = Find(parameters[0]);
 760         if (dest)
 761         {
 762                 int MOD_RESULT = 0;
 763
 764                 std::string temp = parameters[1];
 765                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 766                 if (MOD_RESULT) {
 767                         return;
 768                 }
 769                 parameters[1] = (char*)temp.c_str();
 770
 771                 if (!strcmp(dest->server,user->server))
 772                 {
 773                         // direct write, same server
 774                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 775                 }
 776                 else
 777                 {
 778                         char buffer[MAXBUF];
 779                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 780                         NetSendToOne(dest->server,buffer);
 781                 }
 782         }
 783         else
 784         {
 785                 /* no such nick/channel */
 786                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 787         }
 788 }
 789
 790 void handle_server(char **parameters, int pcnt, userrec *user)
 791 {
 792         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 793         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 794 }
 795
 796 void handle_info(char **parameters, int pcnt, userrec *user)
 797 {
 798         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 799         WriteServ(user->fd,"371 %s : ",user->nick);
 800         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 801         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 802         WriteServ(user->fd,"371 %s : ",user->nick);
 803         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 804         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 805         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 806         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 807         WriteServ(user->fd,"371 %s : ",user->nick);
 808         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 809         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 810         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 811         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 812         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 813         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 814         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 815         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 816         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 817         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 818         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 819         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 820         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 821         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 822         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 823         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 824         WriteServ(user->fd,"371 %s : ",user->nick);
 825         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 826         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 827         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 828         WriteServ(user->fd,"371 %s :this software.",user->nick);
 829         WriteServ(user->fd,"371 %s : ",user->nick);
 830         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 831         FOREACH_MOD OnInfo(user);
 832         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 833 }
 834
 835 void handle_time(char **parameters, int pcnt, userrec *user)
 836 {
 837         time_t rawtime;
 838         struct tm * timeinfo;
 839
 840         time ( &rawtime );
 841         timeinfo = localtime ( &rawtime );
 842         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 843
 844 }
 845
 846 void handle_whois(char **parameters, int pcnt, userrec *user)
 847 {
 848         userrec *dest;
 849
 850         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 851                 return;
 852         dest = Find(parameters[0]);
 853         if (dest)
 854         {
 855                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 856                 if (dest->registered == 7)
 857                 {
 858                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 859                         if ((user == dest) || (strchr(user->modes,'o')))
 860                         {
 861                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 862                         }
 863                         if (strcmp(chlist(dest),""))
 864                         {
 865                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 866                         }
 867                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 868                         if (strcmp(dest->awaymsg,""))
 869                         {
 870                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 871                         }
 872                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 873                         {
 874                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 875                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 876                         }
 877                         FOREACH_MOD OnWhois(user,dest);
 878                         if (!strcasecmp(user->server,dest->server))
 879                         {
 880                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 881                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 882                         }
 883
 884                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 885                 }
 886                 else
 887                 {
 888                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 889                 }
 890         }
 891         else
 892         {
 893                 /* no such nick/channel */
 894                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 895         }
 896 }
 897
 898 void handle_quit(char **parameters, int pcnt, userrec *user)
 899 {
 900         user_hash::iterator iter = clientlist.find(user->nick);
 901         char* reason;
 902
 903         if (user->registered == 7)
 904         {
 905                 /* theres more to do here, but for now just close the socket */
 906                 if (pcnt == 1)
 907                 {
 908                         if (parameters[0][0] == ':')
 909                         {
 910                                 *parameters[0]++;
 911                         }
 912                         reason = parameters[0];
 913
 914                         if (strlen(reason)>MAXQUIT)
 915                         {
 916                                 reason[MAXQUIT-1] = '\0';
 917                         }
 918
 919                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 920                         WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,parameters[0]);
 921                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 922
 923                         char buffer[MAXBUF];
 924                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 925                         NetSendToAll(buffer);
 926                 }
 927                 else
 928                 {
 929                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 930                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 931                         WriteCommonExcept(user,"QUIT :Client exited");
 932
 933                         char buffer[MAXBUF];
 934                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 935                         NetSendToAll(buffer);
 936                 }
 937                 FOREACH_MOD OnUserQuit(user);
 938                 AddWhoWas(user);
 939         }
 940
 941         FOREACH_MOD OnUserDisconnect(user);
 942
 943         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 944         if (user->fd > -1)
 945         {
 946                 shutdown(user->fd,2);
 947                 close(user->fd);
 948         }
 949
 950         if (iter != clientlist.end())
 951         {
 952                 clientlist.erase(iter);
 953         }
 954
 955         if (user->registered == 7) {
 956                 purge_empty_chans(user);
 957         }
 958         if (user->fd > -1)
 959                 fd_ref_table[user->fd] = NULL;
 960         delete user;
 961 }
 962
 963 void handle_who(char **parameters, int pcnt, userrec *user)
 964 {
 965         chanrec* Ptr = NULL;
 966         char tmp[10];
 967
 968         /* theres more to do here, but for now just close the socket */
 969         if (pcnt == 1)
 970         {
 971                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 972                 {
 973                         if (user->chans[0].channel)
 974                         {
 975                                 int n_list = 0;
 976                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 977                                 {
 978                                         Ptr = i->second->chans[0].channel;
 979                                         // suggested by phidjit and FCS
 980                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 981                                         {
 982                                                 // Bug Fix #29
 983                                                 strcpy(tmp, "");
 984                                                 if (strcmp(i->second->awaymsg, "")) {
 985                                                         strlcat(tmp, "G", 9);
 986                                                 } else {
 987                                                         strlcat(tmp, "H", 9);
 988                                                 }
 989                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
 990                                                 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);
 991                                                 n_list++;
 992                                                 if (n_list > MaxWhoResults)
 993                                                         break;
 994                                         }
 995                                 }
 996                         }
 997                         if (Ptr)
 998                         {
 999                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
1000                         }
1001                         else
1002                         {
1003                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1004                         }
1005                         return;
1006                 }
1007                 if (parameters[0][0] == '#')
1008                 {
1009                         Ptr = FindChan(parameters[0]);
1010                         if (Ptr)
1011                         {
1012                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1013                                 {
1014                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1015                                         {
1016                                                 // Fix Bug #29 - Part 2..
1017                                                 strcpy(tmp, "");
1018                                                 if (strcmp(i->second->awaymsg, "")) {
1019                                                         strlcat(tmp, "G", 9);
1020                                                 } else {
1021                                                         strlcat(tmp, "H", 9);
1022                                                 }
1023                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
1024                                                 strlcat(tmp, cmode(i->second, Ptr),5);
1025                                                 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);
1026                                         }
1027                                 }
1028                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1029                         }
1030                         else
1031                         {
1032                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1033                         }
1034                 }
1035                 else
1036                 {
1037                         userrec* u = Find(parameters[0]);
1038                         if (u)
1039                         {
1040                                 // Bug Fix #29 -- Part 29..
1041                                 strcpy(tmp, "");
1042                                 if (strcmp(u->awaymsg, "")) {
1043                                         strlcat(tmp, "G" ,9);
1044                                 } else {
1045                                         strlcat(tmp, "H" ,9);
1046                                 }
1047                                 if (strchr(u->modes,'o')) { strlcat(tmp, "*" ,9); }
1048                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->chans[0].channel ? u->chans[0].channel->name
1049                                 : "*", u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1050                         }
1051                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1052                 }
1053         }
1054         if (pcnt == 2)
1055         {
1056                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1057                 {
1058                         for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
1059                         {
1060                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1061                                 // But i'm a poor bastard with nothing better to do.
1062                                 userrec* oper = *i;
1063                                 strcpy(tmp, "");
1064                                 if (strcmp(oper->awaymsg, "")) {
1065                                         strlcat(tmp, "G" ,9);
1066                                 } else {
1067                                         strlcat(tmp, "H" ,9);
1068                                 }
1069                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s", user->nick, oper->chans[0].channel ? oper->chans[0].channel->name
1070                                 : "*", oper->ident, oper->dhost, oper->server, oper->nick, tmp, oper->fullname);
1071                         }
1072                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1073                         return;
1074                 }
1075         }
1076 }
1077
1078 void handle_wallops(char **parameters, int pcnt, userrec *user)
1079 {
1080         WriteWallOps(user,false,"%s",parameters[0]);
1081 }
1082
1083 void handle_list(char **parameters, int pcnt, userrec *user)
1084 {
1085         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1086         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1087         {
1088                 if ((!i->second->c_private) && (!i->second->secret))
1089                 {
1090                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1091                 }
1092         }
1093         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1094 }
1095
1096
1097 void handle_rehash(char **parameters, int pcnt, userrec *user)
1098 {
1099         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1100         ReadConfig(false,user);
1101         FOREACH_MOD OnRehash();
1102         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1103 }
1104
1105 void handle_lusers(char **parameters, int pcnt, userrec *user)
1106 {
1107         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1108         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1109         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1110         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1111         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1112 }
1113
1114 void handle_admin(char **parameters, int pcnt, userrec *user)
1115 {
1116         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1117         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1118         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1119         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1120 }
1121
1122 void handle_ping(char **parameters, int pcnt, userrec *user)
1123 {
1124         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1125 }
1126
1127 void handle_pong(char **parameters, int pcnt, userrec *user)
1128 {
1129         // set the user as alive so they survive to next ping
1130         user->lastping = 1;
1131 }
1132
1133 void handle_motd(char **parameters, int pcnt, userrec *user)
1134 {
1135         ShowMOTD(user);
1136 }
1137
1138 void handle_rules(char **parameters, int pcnt, userrec *user)
1139 {
1140         ShowRULES(user);
1141 }
1142
1143 void handle_user(char **parameters, int pcnt, userrec *user)
1144 {
1145         if (user->registered < 3)
1146         {
1147                 if (isident(parameters[0]) == 0) {
1148                         // This kinda Sucks, According to the RFC thou, its either this,
1149                         // or "You have already registered" :p -- Craig
1150                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1151                 }
1152                 else {
1153                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1154                         strlcat(user->ident,parameters[0],IDENTMAX);
1155                         strlcpy(user->fullname,parameters[3],128);
1156                         user->registered = (user->registered | 1);
1157                 }
1158         }
1159         else
1160         {
1161                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1162                 return;
1163         }
1164         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1165         if (user->registered == 3)
1166         {
1167                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1168                 FOREACH_MOD OnUserRegister(user);
1169                 ConnectUser(user);
1170         }
1171 }
1172
1173 void handle_userhost(char **parameters, int pcnt, userrec *user)
1174 {
1175         char Return[MAXBUF],junk[MAXBUF];
1176         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1177         for (int i = 0; i < pcnt; i++)
1178         {
1179                 userrec *u = Find(parameters[i]);
1180                 if (u)
1181                 {
1182                         if (strchr(u->modes,'o'))
1183                         {
1184                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1185                                 strlcat(Return,junk,MAXBUF);
1186                         }
1187                         else
1188                         {
1189                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1190                                 strlcat(Return,junk,MAXBUF);
1191                         }
1192                 }
1193         }
1194         WriteServ(user->fd,Return);
1195 }
1196
1197
1198 void handle_ison(char **parameters, int pcnt, userrec *user)
1199 {
1200         char Return[MAXBUF];
1201         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1202         for (int i = 0; i < pcnt; i++)
1203         {
1204                 userrec *u = Find(parameters[i]);
1205                 if (u)
1206                 {
1207                         strlcat(Return,u->nick,MAXBUF);
1208                         strlcat(Return," ",MAXBUF);
1209                 }
1210         }
1211         WriteServ(user->fd,Return);
1212 }
1213
1214
1215 void handle_away(char **parameters, int pcnt, userrec *user)
1216 {
1217         if (pcnt)
1218         {
1219                 strlcpy(user->awaymsg,parameters[0],512);
1220                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1221         }
1222         else
1223         {
1224                 strlcpy(user->awaymsg,"",512);
1225                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1226         }
1227 }
1228
1229 void handle_whowas(char **parameters, int pcnt, userrec* user)
1230 {
1231         user_hash::iterator i = whowas.find(parameters[0]);
1232
1233         if (i == whowas.end())
1234         {
1235                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1236                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1237         }
1238         else
1239         {
1240                 time_t rawtime = i->second->signon;
1241                 tm *timeinfo;
1242                 char b[MAXBUF];
1243
1244                 timeinfo = localtime(&rawtime);
1245                 strlcpy(b,asctime(timeinfo),MAXBUF);
1246                 b[strlen(b)-1] = '\0';
1247
1248                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1249                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1250                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1251         }
1252
1253 }
1254
1255 void handle_trace(char **parameters, int pcnt, userrec *user)
1256 {
1257         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1258         {
1259                 if (i->second)
1260                 {
1261                         if (isnick(i->second->nick))
1262                         {
1263                                 if (strchr(i->second->modes,'o'))
1264                                 {
1265                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1266                                 }
1267                                 else
1268                                 {
1269                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1270                                 }
1271                         }
1272                         else
1273                         {
1274                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1275                         }
1276                 }
1277         }
1278 }
1279
1280 void handle_modules(char **parameters, int pcnt, userrec *user)
1281 {
1282         for (int i = 0; i < module_names.size(); i++)
1283         {
1284                 Version V = modules[i]->GetVersion();
1285                 char modulename[MAXBUF];
1286                 char flagstate[MAXBUF];
1287                 strcpy(flagstate,"");
1288                 if (V.Flags & VF_STATIC)
1289                         strlcat(flagstate,", static",MAXBUF);
1290                 if (V.Flags & VF_VENDOR)
1291                         strlcat(flagstate,", vendor",MAXBUF);
1292                 if (V.Flags & VF_COMMON)
1293                         strlcat(flagstate,", common",MAXBUF);
1294                 if (V.Flags & VF_SERVICEPROVIDER)
1295                         strlcat(flagstate,", service provider",MAXBUF);
1296                 if (!flagstate[0])
1297                         strcpy(flagstate,"  <no flags>");
1298                 strlcpy(modulename,module_names[i].c_str(),256);
1299                 if (strchr(user->modes,'o'))
1300                 {
1301                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s (%s)",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename),flagstate+2);
1302                 }
1303                 else
1304                 {
1305                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1306                 }
1307         }
1308         WriteServ(user->fd,"901 %s :End of MODULES list",user->nick);
1309 }
1310
1311 void handle_stats(char **parameters, int pcnt, userrec *user)
1312 {
1313         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1314         if (pcnt != 1)
1315         {
1316                 return;
1317         }
1318         if (strlen(parameters[0])>1)
1319         {
1320                 /* make the stats query 1 character long */
1321                 parameters[0][1] = '\0';
1322         }
1323
1324
1325         FOREACH_MOD OnStats(*parameters[0]);
1326
1327         if (*parameters[0] == 'c')
1328         {
1329                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1330                 {
1331                         ConfValue("link","name",i,Link_ServerName,&config_f);
1332                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1333                         ConfValue("link","port",i,Link_Port,&config_f);
1334                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1335                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1336                 }
1337         }
1338
1339         if (*parameters[0] == 'i')
1340         {
1341                 int idx = 0;
1342                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1343                 {
1344                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1345                         idx++;
1346                 }
1347         }
1348
1349         if (*parameters[0] == 'y')
1350         {
1351                 int idx = 0;
1352                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1353                 {
1354                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1355                         idx++;
1356                 }
1357         }
1358
1359         if (*parameters[0] == 'U')
1360         {
1361                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1362                 {
1363                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1364                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1365                 }
1366         }
1367
1368         if (*parameters[0] == 'P')
1369         {
1370                 int idx = 0;
1371                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1372                 {
1373                         if (strchr(i->second->modes,'o'))
1374                         {
1375                                 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));
1376                                 idx++;
1377                         }
1378                 }
1379                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1380         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1381         }
1382
1383         if (*parameters[0] == 'k')
1384         {
1385                 stats_k(user);
1386         }
1387
1388         if (*parameters[0] == 'g')
1389         {
1390                 stats_g(user);
1391         }
1392
1393         if (*parameters[0] == 'q')
1394         {
1395                 stats_q(user);
1396         }
1397
1398         if (*parameters[0] == 'Z')
1399         {
1400                 stats_z(user);
1401         }
1402
1403         if (*parameters[0] == 'e')
1404         {
1405                 stats_e(user);
1406         }
1407
1408         /* stats m (list number of times each command has been used, plus bytecount) */
1409         if (*parameters[0] == 'm')
1410         {
1411                 for (int i = 0; i < cmdlist.size(); i++)
1412                 {
1413                         if (cmdlist[i].handler_function)
1414                         {
1415                                 if (cmdlist[i].use_count)
1416                                 {
1417                                         /* RPL_STATSCOMMANDS */
1418                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1419                                 }
1420                         }
1421                 }
1422
1423         }
1424
1425         /* stats z (debug and memory info) */
1426         if (*parameters[0] == 'z')
1427         {
1428                 rusage R;
1429                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1430                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1431                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1432                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1433                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1434                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1435                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1436                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1437                 if (!getrusage(RUSAGE_SELF,&R))
1438                 {
1439                         WriteServ(user->fd,"249 %s :Total allocation: %luK (0x%lx)",user->nick,R.ru_maxrss,R.ru_maxrss);
1440                         WriteServ(user->fd,"249 %s :Signals:          %lu  (0x%lx)",user->nick,R.ru_nsignals,R.ru_nsignals);
1441                         WriteServ(user->fd,"249 %s :Page faults:      %lu  (0x%lx)",user->nick,R.ru_majflt,R.ru_majflt);
1442                         WriteServ(user->fd,"249 %s :Swaps:            %lu  (0x%lx)",user->nick,R.ru_nswap,R.ru_nswap);
1443                         WriteServ(user->fd,"249 %s :Context Switches: %lu  (0x%lx)",user->nick,R.ru_nvcsw+R.ru_nivcsw,R.ru_nvcsw+R.ru_nivcsw);
1444                 }
1445         }
1446
1447         if (*parameters[0] == 'T')
1448         {
1449                 WriteServ(user->fd,"249 Brain :accepts %d refused %d",statsAccept,statsRefused);
1450                 WriteServ(user->fd,"249 Brain :unknown commands %d",statsUnknown);
1451                 WriteServ(user->fd,"249 Brain :nick collisions %d",statsCollisions);
1452                 WriteServ(user->fd,"249 Brain :dns requests %d succeeded %d failed %d",statsDns,statsDnsGood,statsDnsBad);
1453                 WriteServ(user->fd,"249 Brain :connections %d",statsConnects);
1454                 WriteServ(user->fd,"249 Brain :bytes sent %dK recv %dK",(statsSent / 1024),(statsRecv / 1024));
1455         }
1456
1457         /* stats o */
1458         if (*parameters[0] == 'o')
1459         {
1460                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1461                 {
1462                         char LoginName[MAXBUF];
1463                         char HostName[MAXBUF];
1464                         char OperType[MAXBUF];
1465                         ConfValue("oper","name",i,LoginName,&config_f);
1466                         ConfValue("oper","host",i,HostName,&config_f);
1467                         ConfValue("oper","type",i,OperType,&config_f);
1468                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1469                 }
1470         }
1471
1472         /* stats l (show user I/O stats) */
1473         if (*parameters[0] == 'l')
1474         {
1475                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1476                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1477                 {
1478                         if (isnick(i->second->nick))
1479                         {
1480                                 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);
1481                         }
1482                         else
1483                         {
1484                                 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);
1485                         }
1486
1487                 }
1488         }
1489
1490         /* stats u (show server uptime) */
1491         if (*parameters[0] == 'u')
1492         {
1493                 time_t current_time = 0;
1494                 current_time = TIME;
1495                 time_t server_uptime = current_time - startup_time;
1496                 struct tm* stime;
1497                 stime = gmtime(&server_uptime);
1498                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1499                  * Craig suggested this, and it seemed a good idea so in it went */
1500                 if (stime->tm_year > 70)
1501                 {
1502                         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);
1503                 }
1504                 else
1505                 {
1506                         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);
1507                 }
1508         }
1509
1510         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1511         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1512
1513 }
1514
1515 void handle_connect(char **parameters, int pcnt, userrec *user)
1516 {
1517         char Link_ServerName[1024];
1518         char Link_IPAddr[1024];
1519         char Link_Port[1024];
1520         char Link_Pass[1024];
1521         int LinkPort;
1522         bool found = false;
1523
1524         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1525         {
1526                 if (!found)
1527                 {
1528                         ConfValue("link","name",i,Link_ServerName,&config_f);
1529                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1530                         ConfValue("link","port",i,Link_Port,&config_f);
1531                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1532                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1533                         LinkPort = atoi(Link_Port);
1534                         if (match(Link_ServerName,parameters[0])) {
1535                                 found = true;
1536                                 break;
1537                         }
1538                 }
1539         }
1540
1541         if (!found) {
1542                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1543                 return;
1544         }
1545
1546         // TODO: Perform a check here to stop a server being linked twice!
1547
1548         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1549
1550         if (me[defaultRoute])
1551         {
1552                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1553                 return;
1554         }
1555         else
1556         {
1557                 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);
1558         }
1559 }
1560
1561 void handle_squit(char **parameters, int pcnt, userrec *user)
1562 {
1563         // send out an squit across the mesh and then clear the server list (for local squit)
1564         if (!pcnt)
1565         {
1566                 WriteOpers("SQUIT command issued by %s",user->nick);
1567                 char buffer[MAXBUF];
1568                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1569                 NetSendToAll(buffer);
1570                 DoSplitEveryone();
1571         }
1572         else
1573         {
1574                 if (!strcasecmp("*",parameters[0]))
1575                 {
1576                         WriteServ(user->fd,"NOTICE %s :*** You cannot issue an SQUIT this wide! If this is REALLY what you want, use a less wide mask.",user->nick);
1577                         WriteOpers("*** WARNING! %s tried to SQUIT all servers at once!",user->nick);
1578                         return;
1579                 }
1580                 if (!strcasecmp(ServerName,parameters[0]))
1581                 {
1582                         WriteServ(user->fd,"NOTICE %s :*** To take the local server out of the mesh, just use /SQUIT with no parameters instead.",user->nick);
1583                         return;
1584                 }
1585                 bool have_this_server = true;
1586                 int n_count = 0;
1587                 std::string server_to_squit = "";
1588                 while (have_this_server)
1589                 {
1590                         have_this_server = false;
1591                         for (int j = 0; j < 32; j++)
1592                         {
1593                                 if (me[j] != NULL)
1594                                 {
1595                                         for (int x = 0; x < me[j]->connectors.size(); x++)
1596                                         {
1597                                                 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1598                                                 {
1599                                                         // found a valid ircd_connector.
1600                                                         have_this_server = true;
1601                                                         server_to_squit = me[j]->connectors[x].GetServerName().c_str();
1602                                                         break;
1603                                                 }
1604                                         }
1605                                 }
1606                         }
1607                         if (have_this_server)
1608                         {
1609                                 WriteOpers("SQUIT command issued by %s to remove %s from the mesh",user->nick,server_to_squit.c_str());
1610                                 WriteServ(user->fd,"NOTICE %s :*** Removing remote server %s.",user->nick,server_to_squit.c_str());
1611                                 char buffer[MAXBUF];
1612                                 snprintf(buffer,MAXBUF,"& %s",server_to_squit.c_str());
1613                                 NetSendToAll(buffer);
1614                                 DoSplit(server_to_squit.c_str());
1615                                 n_count++;
1616                         }
1617                 }
1618                 if (!n_count)
1619                 {
1620                         WriteServ(user->fd,"402 %s %s :Your pattern did not match any servers.",user->nick,parameters[0]);
1621                 }
1622         }
1623 }
1624
1625 void handle_links(char **parameters, int pcnt, userrec *user)
1626 {
1627         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1628         for (int j = 0; j < 32; j++)
1629         {
1630                 if (me[j] != NULL)
1631                 {
1632                         for (int k = 0; k < me[j]->connectors.size(); k++)
1633                         {
1634                                 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());
1635                         }
1636                 }
1637         }
1638         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1639 }
1640
1641 void handle_map(char **parameters, int pcnt, userrec *user)
1642 {
1643         char line[MAXBUF];
1644         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1645         while (strlen(line) < 50)
1646                 strcat(line," ");
1647         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1648         for (int j = 0; j < 32; j++)
1649         {
1650                 if (me[j] != NULL)
1651                 {
1652                         for (int k = 0; k < me[j]->connectors.size(); k++)
1653                         {
1654                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1655                                 while (strlen(line) < 50)
1656                                         strcat(line," ");
1657                                 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));
1658                         }
1659                 }
1660         }
1661         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1662 }
1663
1664 bool is_uline(const char* server)
1665 {
1666         char ServName[MAXBUF];
1667         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1668         {
1669                 ConfValue("uline","server",i,ServName,&config_f);
1670                 if (!strcasecmp(server,ServName))
1671                 {
1672                         return true;
1673                 }
1674         }
1675         return false;
1676 }
1677 int operstrcmp(char* data,char* input)
1678 {
1679         int MOD_RESULT = 0;
1680         FOREACH_RESULT(OnOperCompare(data,input))
1681         log(DEBUG,"operstrcmp: %d",MOD_RESULT);
1682         if (MOD_RESULT == 1)
1683                 return 0;
1684         if (MOD_RESULT == -1)
1685                 return 1;
1686         log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
1687         return strcmp(data,input);
1688 }
1689
1690 void handle_oper(char **parameters, int pcnt, userrec *user)
1691 {
1692         char LoginName[MAXBUF];
1693         char Password[MAXBUF];
1694         char OperType[MAXBUF];
1695         char TypeName[MAXBUF];
1696         char HostName[MAXBUF];
1697         char TheHost[MAXBUF];
1698         int j;
1699         bool found = false;
1700         bool fail2 = false;
1701         char global[MAXBUF];
1702
1703         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1704
1705         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1706         {
1707                 ConfValue("oper","name",i,LoginName,&config_f);
1708                 ConfValue("oper","password",i,Password,&config_f);
1709                 ConfValue("oper","type",i,OperType,&config_f);
1710                 ConfValue("oper","host",i,HostName,&config_f);
1711                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1712                 {
1713                         fail2 = true;
1714                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1715                         {
1716                                 ConfValue("type","name",j,TypeName,&config_f);
1717
1718                                 if (!strcmp(TypeName,OperType))
1719                                 {
1720                                         /* found this oper's opertype */
1721                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1722                                         NetSendToAll(global);
1723                                         ConfValue("type","host",j,HostName,&config_f);
1724                                         ChangeDisplayedHost(user,HostName);
1725                                         strlcpy(user->oper,TypeName,NICKMAX);
1726                                         found = true;
1727                                         fail2 = false;
1728                                         break;
1729                                 }
1730                         }
1731                 }
1732                 if (found)
1733                         break;
1734         }
1735         if (found)
1736         {
1737                 /* correct oper credentials */
1738                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1739                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1740                 if (!strchr(user->modes,'o'))
1741                 {
1742                         strcat(user->modes,"o");
1743                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1744                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1745                         NetSendToAll(global);
1746                         FOREACH_MOD OnOper(user);
1747                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1748                         AddOper(user);
1749                 }
1750         }
1751         else
1752         {
1753                 if (!fail2)
1754                 {
1755                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1756                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1757                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1758                 }
1759                 else
1760                 {
1761                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1762                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1763                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1764                 }
1765         }
1766         return;
1767 }
1768
1769 void handle_nick(char **parameters, int pcnt, userrec *user)
1770 {
1771         if (pcnt < 1)
1772         {
1773                 log(DEBUG,"not enough params for handle_nick");
1774                 return;
1775         }
1776         if (!parameters[0])
1777         {
1778                 log(DEBUG,"invalid parameter passed to handle_nick");
1779                 return;
1780         }
1781         if (!parameters[0][0])
1782         {
1783                 log(DEBUG,"zero length new nick passed to handle_nick");
1784                 return;
1785         }
1786         if (!user)
1787         {
1788                 log(DEBUG,"invalid user passed to handle_nick");
1789                 return;
1790         }
1791         if (!user->nick)
1792         {
1793                 log(DEBUG,"invalid old nick passed to handle_nick");
1794                 return;
1795         }
1796         if (!strcasecmp(user->nick,parameters[0]))
1797         {
1798                 log(DEBUG,"old nick is new nick, skipping");
1799                 return;
1800         }
1801         else
1802         {
1803                 if (strlen(parameters[0]) > 1)
1804                 {
1805                         if (parameters[0][0] == ':')
1806                         {
1807                                 *parameters[0]++;
1808                         }
1809                 }
1810                 if (matches_qline(parameters[0]))
1811                 {
1812                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1813                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1814                         return;
1815                 }
1816                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1817                 {
1818                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1819                         return;
1820                 }
1821         }
1822         if (isnick(parameters[0]) == 0)
1823         {
1824                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1825                 return;
1826         }
1827
1828         if (user->registered == 7)
1829         {
1830                 int MOD_RESULT = 0;
1831                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1832                 if (MOD_RESULT) {
1833                         // if a module returns true, the nick change is silently forbidden.
1834                         return;
1835                 }
1836
1837                 WriteCommon(user,"NICK %s",parameters[0]);
1838
1839                 // N token must go to ALL servers!!!
1840                 char buffer[MAXBUF];
1841                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1842                 NetSendToAll(buffer);
1843         }
1844
1845         char oldnick[NICKMAX];
1846         strlcpy(oldnick,user->nick,NICKMAX);
1847
1848         /* change the nick of the user in the users_hash */
1849         user = ReHashNick(user->nick, parameters[0]);
1850         /* actually change the nick within the record */
1851         if (!user) return;
1852         if (!user->nick) return;
1853
1854         strlcpy(user->nick, parameters[0],NICKMAX);
1855
1856         log(DEBUG,"new nick set: %s",user->nick);
1857
1858         if (user->registered < 3)
1859         {
1860                 user->registered = (user->registered | 2);
1861                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1862                 // and unless we're lucky we'll get a duff one later on.
1863                 user->dns_done = (!lookup_dns(user->nick));
1864                 if (user->dns_done)
1865                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1866         }
1867         if (user->registered == 3)
1868         {
1869                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1870                 FOREACH_MOD OnUserRegister(user);
1871                 ConnectUser(user);
1872         }
1873         if (user->registered == 7)
1874         {
1875                 FOREACH_MOD OnUserPostNick(user,oldnick);
1876         }
1877 }
1878
1879
1880 void handle_v(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1881 {
1882         char* servername = strtok(params," ");
1883         char* versionstr = strtok(NULL,"\r\n");
1884
1885         for (int j = 0; j < 32; j++)
1886         {
1887                 if (me[j] != NULL)
1888                 {
1889                         for (int x = 0; x < me[j]->connectors.size(); x++)
1890                         {
1891                                 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),servername))
1892                                 {
1893                                         me[j]->connectors[x].SetVersionString(versionstr);
1894                                 }
1895                         }
1896                 }
1897         }
1898 }
1899
1900 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1901 {
1902         char* src = strtok(params," ");
1903         char* dest = strtok(NULL," :");
1904         char* text = strtok(NULL,"\r\n");
1905         text++;
1906
1907         userrec* user = Find(src);
1908         if (user)
1909         {
1910                 // notice all - only issuable by a server
1911                 if (!strcmp(dest,"*"))
1912                 {
1913                         NoticeAll(user,true,"%s",text);
1914                 }
1915                 if (!strcmp(dest,"@*"))
1916                 {
1917                         NoticeAllOpers(user,true,"%s",text);
1918                 }
1919                 else
1920                 {
1921                         userrec* dst = Find(dest);
1922                         if (dst)
1923                         {
1924                                 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1925                         }
1926                         else
1927                         {
1928                                 chanrec* d = FindChan(dest);
1929                                 if (d)
1930                                 {
1931                                         ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1932                                 }
1933                         }
1934                 }
1935         }
1936
1937 }
1938
1939
1940 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1941 {
1942         char* src = strtok(params," ");
1943         char* dest = strtok(NULL," :");
1944         char* text = strtok(NULL,"\r\n");
1945         text++;
1946
1947         userrec* user = Find(src);
1948         if (user)
1949         {
1950                 userrec* dst = Find(dest);
1951
1952                 if (dst)
1953                 {
1954                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1955                 }
1956                 else
1957                 {
1958                         chanrec* d = FindChan(dest);
1959                         if (d)
1960                         {
1961                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1962                         }
1963                 }
1964         }
1965
1966 }
1967
1968 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1969 {
1970         char* nick = strtok(params," ");
1971         char* from = strtok(NULL," ");
1972         char* channel = strtok(NULL," ");
1973         userrec* u = Find(nick);
1974         userrec* user = Find(from);
1975         chanrec* c = FindChan(channel);
1976         if ((c) && (u) && (user))
1977         {
1978                 u->InviteTo(c->name);
1979                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1980         }
1981 }
1982
1983 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1984 {
1985         char* setby = strtok(params," ");
1986         char* channel = strtok(NULL," :");
1987         char* topic = strtok(NULL,"\r\n");
1988         topic++;
1989         userrec* u = Find(setby);
1990         chanrec* c = FindChan(channel);
1991         if ((c) && (u))
1992         {
1993                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1994                 strlcpy(c->topic,topic,MAXTOPIC);
1995                 strlcpy(c->setby,u->nick,NICKMAX);
1996                 c->topicset = TIME;
1997         }
1998 }
1999
2000
2001 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2002 {
2003         char* tm = strtok(params," ");
2004         char* setby = strtok(NULL," ");
2005         char* channel = strtok(NULL," :");
2006         char* topic = strtok(NULL,"\r\n");
2007         topic++;
2008         time_t TS = atoi(tm);
2009         chanrec* c = FindChan(channel);
2010         if (c)
2011         {
2012                 // in the case of topics and TS, the *NEWER*
2013                 if (TS <= c->topicset)
2014                 {
2015                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
2016                         strlcpy(c->topic,topic,MAXTOPIC);
2017                         strlcpy(c->setby,setby,NICKMAX);
2018                 }
2019         }
2020 }
2021
2022 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2023 {
2024         char* pars[128];
2025         char original[MAXBUF],target[MAXBUF];
2026         strlcpy(original,params,MAXBUF);
2027         int index = 0;
2028         char* parameter = strtok(params," ");
2029         strlcpy(target,parameter,MAXBUF);
2030         while (parameter)
2031         {
2032                 if (parameter[0] == ':')
2033                         parameter++;
2034                 pars[index++] = parameter;
2035                 parameter = strtok(NULL," ");
2036         }
2037         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
2038         merge_mode(pars,index);
2039         if (FindChan(target))
2040         {
2041                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
2042         }
2043         if (Find(target))
2044         {
2045                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
2046         }
2047 }
2048
2049 // m is modes set by users only (not servers) valid targets are channels or users.
2050
2051 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2052 {
2053         // m blah #chatspike +b *!test@*4
2054         char* pars[128];
2055         char original[MAXBUF];
2056         strlcpy(original,params,MAXBUF);
2057
2058         if (!strchr(params,' '))
2059         {
2060                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
2061                 return;
2062         }
2063
2064         int index = 0;
2065
2066         char* src = strtok(params," ");
2067         userrec* user = Find(src);
2068
2069         if (user)
2070         {
2071                 log(DEBUG,"Found user: %s",user->nick);
2072                 char* parameter = strtok(NULL," ");
2073                 while (parameter)
2074                 {
2075                         pars[index++] = parameter;
2076                         parameter = strtok(NULL," ");
2077                 }
2078
2079                 log(DEBUG,"Calling merge_mode2");
2080                 merge_mode2(pars,index,user);
2081         }
2082 }
2083
2084
2085 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2086 {
2087         char* nick = NULL;
2088         char* channel = NULL;
2089         char* reason = NULL;
2090         log(DEBUG,"L TOKEN PARS: '%s'",params);
2091         if (strstr(params,":#"))
2092         {
2093                 nick = strtok(params," ");
2094                 channel = strtok(NULL,"\r\n");
2095                 channel++;
2096                 reason = "";
2097         }
2098         else
2099         {
2100                 nick = strtok(params," ");
2101                 channel = strtok(NULL," :");
2102                 reason = strtok(NULL,"\r\n");
2103                 reason++;
2104         }
2105         userrec* user = Find(nick);
2106         if ((user) && (channel) && (reason))
2107         {
2108                 if ((!reason) && (*reason != '\0'))
2109                 {
2110                         del_channel(user,channel,reason,true);
2111                 }
2112                 else
2113                 {
2114                         del_channel(user,channel,NULL,true);
2115                 }
2116         }
2117 }
2118
2119 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2120 {
2121         char* src = strtok(params," ");
2122         char* nick = strtok(NULL," :");
2123         char* reason = strtok(NULL,"\r\n");
2124         char kreason[MAXBUF];
2125         reason++;
2126
2127         userrec* u = Find(nick);
2128         userrec* user = Find(src);
2129
2130         if ((user) && (u))
2131         {
2132                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2133                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2134                 snprintf(kreason,MAXBUF,"[%s] Killed (From: '%s' (%s))",source->name,user->nick,reason);
2135                 kill_link(u,kreason);
2136         }
2137 }
2138
2139 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2140 {
2141         char* nick = strtok(params," :");
2142         char* reason = strtok(NULL,"\r\n");
2143         reason++;
2144
2145         userrec* user = Find(nick);
2146
2147         if (user)
2148         {
2149                 if (strlen(reason)>MAXQUIT)
2150                 {
2151                         reason[MAXQUIT-1] = '\0';
2152                 }
2153
2154
2155                 WriteCommonExcept(user,"QUIT :%s",reason);
2156
2157                 user_hash::iterator iter = clientlist.find(user->nick);
2158
2159                 if (iter != clientlist.end())
2160                 {
2161                         log(DEBUG,"deleting user hash value %d",iter->second);
2162                         clientlist.erase(iter);
2163                 }
2164
2165                 if (user->registered == 7)
2166                 {
2167                         purge_empty_chans(user);
2168                 }
2169                 delete user;
2170         }
2171 }
2172
2173 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2174 {
2175         char* oldnick = strtok(params," ");
2176         char* newnick = strtok(NULL," ");
2177
2178         userrec* user = Find(oldnick);
2179
2180         if (user)
2181         {
2182                 if (is_uline(tcp_host))
2183                 {
2184                         int MOD_RESULT = 0;
2185                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2186                         if (MOD_RESULT) {
2187                                 // if a module returns true, the nick change couldnt be allowed
2188                                 statsCollisions++;
2189                                 kill_link(user,"Nickname collision");
2190                                 return;
2191                         }
2192                         if (matches_qline(newnick))
2193                         {
2194                                 statsCollisions++;
2195                                 kill_link(user,"Nickname collision");
2196                                 return;
2197                         }
2198
2199                         // broadcast this because its a services thingy
2200                         char buffer[MAXBUF];
2201                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2202                         NetSendToAllExcept(tcp_host,buffer);
2203                 }
2204                 WriteCommon(user,"NICK %s",newnick);
2205                 user = ReHashNick(user->nick, newnick);
2206                 if (!user) return;
2207                 if (!user->nick) return;
2208                 strlcpy(user->nick, newnick,NICKMAX);
2209                 log(DEBUG,"new nick set: %s",user->nick);
2210         }
2211 }
2212
2213 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2214 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2215 {
2216         char* src = strtok(params," ");
2217         char* dest = strtok(NULL," ");
2218         char* channel = strtok(NULL," :");
2219         char* reason = strtok(NULL,"\r\n");
2220         reason++;
2221         userrec* s = Find(src);
2222         userrec* d = Find(dest);
2223         chanrec* c = FindChan(channel);
2224         if ((s) && (d) && (c))
2225         {
2226                 kick_channel(s,d,c,reason);
2227                 return;
2228         }
2229         d = Find(channel);
2230         c = FindChan(dest);
2231         if ((s) && (d) && (c))
2232         {
2233                 kick_channel(s,d,c,reason);
2234                 return;
2235         }
2236 }
2237
2238 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2239 {
2240         char* who = strtok(params," :");
2241         char* text = strtok(NULL,"\r\n");
2242         text++;
2243         userrec* s = Find(who);
2244         if (s)
2245         {
2246                 WriteWallOps(s,true,text);
2247         }
2248 }
2249
2250 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2251 {
2252         log(DEBUG,"Adding ULined server %s to my map",params);
2253         ircd_connector s;
2254         s.SetState(STATE_DISCONNECTED);
2255         s.SetServerName(params);
2256
2257         for (int j = 0; j < 32; j++)
2258         {
2259                 if (me[j] != NULL)
2260                 {
2261                         for (int k = 0; k < me[j]->connectors.size(); k++)
2262                         {
2263                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2264                                 {
2265                                         // dont allow a server to be added twice
2266                                         log(DEBUG,"ULined server %s already in the map!",params);
2267                                         return;
2268                                 }
2269                         }
2270                 }
2271         }
2272
2273         source->connectors.push_back(s);
2274         WriteOpers("Non-Mesh server %s has joined the network",params);
2275 }
2276
2277 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2278 {
2279         char* tm = strtok(params," ");
2280         char* nick = strtok(NULL," ");
2281         char* host = strtok(NULL," ");
2282         char* dhost = strtok(NULL," ");
2283         char* ident = strtok(NULL," ");
2284         char* modes = strtok(NULL," ");
2285         char* ipaddr = strtok(NULL," ");
2286         char* server = strtok(NULL," :");
2287         char* gecos = strtok(NULL,"\r\n");
2288         gecos++;
2289         modes++;
2290         time_t TS = atoi(tm);
2291         user_hash::iterator iter = clientlist.find(nick);
2292         if (iter != clientlist.end())
2293         {
2294                 // nick collision
2295                 statsCollisions++;
2296                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2297                 char str[MAXBUF];
2298                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2299                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2300                 kill_link(iter->second,str);
2301         }
2302         clientlist[nick] = new userrec();
2303         // remote users have an fd of -1. This is so that our Write abstraction
2304         // routines know to route any messages to this record away to whatever server
2305         // theyre on.
2306         clientlist[nick]->fd = -1;
2307         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2308         strlcpy(clientlist[nick]->host, host,160);
2309         strlcpy(clientlist[nick]->dhost, dhost,160);
2310         strlcpy(clientlist[nick]->server, server,256);
2311         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2312         strlcpy(clientlist[nick]->fullname, gecos,128);
2313         strlcpy(clientlist[nick]->ip,ipaddr,32);
2314         clientlist[nick]->signon = TS;
2315         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2316         clientlist[nick]->lastping = 1;
2317         clientlist[nick]->port = 0; // so is this...
2318         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2319         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2320         for (int i = 0; i < MAXCHANS; i++)
2321         {
2322                 clientlist[nick]->chans[i].channel = NULL;
2323                 clientlist[nick]->chans[i].uc_modes = 0;
2324         }
2325         FOREACH_MOD OnGlobalConnect(clientlist[nick]);
2326         if (strchr(clientlist[nick]->modes,'o'))
2327         {
2328                 FOREACH_MOD OnGlobalOper(clientlist[nick]);
2329         }
2330 }
2331
2332 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2333 {
2334         long tdiff = TIME - atoi(params);
2335         if (tdiff)
2336                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2337 }
2338
2339 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2340 {
2341         char* nick = strtok(params," :");
2342         char* gecos = strtok(NULL,"\r\n");
2343
2344         userrec* user = Find(nick);
2345
2346         if (user)
2347                 strlcpy(user->fullname,gecos,MAXBUF);
2348 }
2349
2350 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2351 {
2352         char* nick = strtok(params," ");
2353         char* host = strtok(NULL," ");
2354
2355         userrec* user = Find(nick);
2356
2357         if (user)
2358                 strlcpy(user->dhost,host,160);
2359 }
2360
2361 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2362 {
2363         // %s %s %d %d
2364         // + test3.chatspike.net 7010 -2016508415
2365         char* servername = strtok(params," ");
2366         char* ipaddr = strtok(NULL," ");
2367         char* ipport = strtok(NULL," ");
2368         char* cookie = strtok(NULL," ");
2369         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2370
2371
2372         bool conn_already = false;
2373         for (int i = 0; i < 32; i++)
2374         {
2375                 if (me[i] != NULL)
2376                 {
2377                         for (int j = 0; j < me[i]->connectors.size(); j++)
2378                         {
2379                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2380                                 {
2381                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2382                                         {
2383                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2384                                                 conn_already = true;
2385                                         }
2386                                 }
2387                         }
2388                 }
2389         }
2390         if (!conn_already)
2391                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2392 }
2393
2394 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2395 {
2396         char* server = strtok(params," ");
2397         char* data = strtok(NULL,"\r\n");
2398         if ((!data) || (!server))
2399         {
2400                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2401                 return;
2402         }
2403
2404         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2405         NetSendToOne(server,data);
2406 }
2407
2408 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2409 {
2410         // IMPORTANT NOTE
2411         // The J token currently has no timestamp - this needs looking at
2412         // because it will allow splitriding.
2413         char* nick = strtok(params," ");
2414         char* channel = strtok(NULL," ");
2415         userrec* user = Find(nick);
2416         while (channel)
2417         {
2418                 if ((user != NULL) && (strcmp(channel,"")))
2419                 {
2420                         char privilage = '\0';
2421                         if (channel[0] != '#')
2422                         {
2423                                 privilage = channel[0];
2424                                 channel++;
2425                         }
2426                         add_channel(user,channel,"",true);
2427
2428                         // now work out the privilages they should have on each channel
2429                         // and send the appropriate servermodes.
2430                         for (int i = 0; i != MAXCHANS; i++)
2431                         {
2432                                 if (user->chans[i].channel)
2433                                 {
2434                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2435                                         {
2436                                                 if (privilage == '@')
2437                                                 {
2438                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2439                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2440                                                 }
2441                                                 if (privilage == '%')
2442                                                 {
2443                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2444                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2445                                                 }
2446                                                 if (privilage == '+')
2447                                                 {
2448                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2449                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2450                                                 }
2451                                         }
2452                                 }
2453                         }
2454
2455                 }
2456                 channel = strtok(NULL," ");
2457         }
2458 }
2459
2460 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2461 {
2462         log(DEBUG,"Storing routing table...");
2463         char* sourceserver = strtok(params," ");
2464         char* server = strtok(NULL," ");
2465         for (int i = 0; i < 32; i++)
2466         {
2467                 if (me[i] != NULL)
2468                 {
2469                         for (int j = 0; j < me[i]->connectors.size(); j++)
2470                         {
2471                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2472                                 {
2473                                         me[i]->connectors[j].routes.clear();
2474                                         log(DEBUG,"Found entry for source server.");
2475                                         while (server)
2476                                         {
2477                                                 // store each route
2478                                                 me[i]->connectors[j].routes.push_back(server);
2479                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2480                                                 server = strtok(NULL," ");
2481                                         }
2482                                         return;
2483                                 }
2484                         }
2485                 }
2486         }
2487         log(DEBUG,"Warning! routing table received from nonexistent server!");
2488 }
2489
2490 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2491 {
2492         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2493         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2494         bool go_again = true;
2495         while (go_again)
2496         {
2497                 go_again = false;
2498                 for (int i = 0; i < 32; i++)
2499                 {
2500                         if (me[i] != NULL)
2501                         {
2502                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2503                                 {
2504                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2505                                         {
2506                                                 j->routes.clear();
2507                                                 j->CloseConnection();
2508                                                 me[i]->connectors.erase(j);
2509                                                 go_again = true;
2510                                                 break;
2511                                         }
2512                                 }
2513                         }
2514                 }
2515         }
2516         log(DEBUG,"Removed server. Will remove clients...");
2517         // iterate through the userlist and remove all users on this server.
2518         // because we're dealing with a mesh, we dont have to deal with anything
2519         // "down-route" from this server (nice huh)
2520         go_again = true;
2521         char reason[MAXBUF];
2522         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2523         while (go_again)
2524         {
2525                 go_again = false;
2526                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2527                 {
2528                         if (!strcasecmp(u->second->server,params))
2529                         {
2530                                 kill_link(u->second,reason);
2531                                 go_again = true;
2532                                 break;
2533                         }
2534                 }
2535         }
2536 }
2537
2538 unsigned long authcookie;
2539
2540 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2541 {
2542         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2543         log(DEBUG,"Adding G-line");
2544         char* mask = strtok(params," ");
2545         char* who = strtok(NULL," ");
2546         char* create_time = strtok(NULL," ");
2547         char* duration = strtok(NULL," :");
2548         char* reason = strtok(NULL,"\r\n");
2549         reason++;
2550         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2551         // we must update the creation time on this gline
2552         // now that we've added it, or it wont expire at the right time.
2553         gline_set_creation_time(mask,atoi(create_time));
2554         if (!atoi(duration))
2555         {
2556                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2557         }
2558         else
2559         {
2560                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2561         }
2562         apply_lines();
2563 }
2564
2565 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2566 {
2567         log(DEBUG,"Removing G-line");
2568         char* mask = strtok(params," ");
2569         char* who = strtok(NULL," ");
2570         if (mask)
2571         {
2572                 if (del_gline((const char*)mask))
2573                 {
2574                         if (who)
2575                         {
2576                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2577                         }
2578                 }
2579         }
2580 }
2581
2582 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2583 {
2584         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2585         log(DEBUG,"Adding Q-line");
2586         char* mask = strtok(params," ");
2587         char* who = strtok(NULL," ");
2588         char* create_time = strtok(NULL," ");
2589         char* duration = strtok(NULL," :");
2590         char* reason = strtok(NULL,"\r\n");
2591         reason++;
2592         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2593         // we must update the creation time on this gline
2594         // now that we've added it, or it wont expire at the right time.
2595         qline_set_creation_time(mask,atoi(create_time));
2596         qline_make_global(mask);
2597         if (!atoi(duration))
2598         {
2599                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2600         }
2601         else
2602         {
2603                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2604         }
2605         apply_lines();
2606 }
2607
2608 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2609 {
2610         log(DEBUG,"Removing Q-line");
2611         char* mask = strtok(params," ");
2612         char* who = strtok(NULL," ");
2613         if (mask)
2614         {
2615                 if (del_qline((const char*)mask))
2616                 {
2617                         if (who)
2618                         {
2619                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2620                         }
2621                 }
2622         }
2623 }
2624
2625 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2626 {
2627         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2628         log(DEBUG,"Adding Z-line");
2629         char* mask = strtok(params," ");
2630         char* who = strtok(NULL," ");
2631         char* create_time = strtok(NULL," ");
2632         char* duration = strtok(NULL," :");
2633         char* reason = strtok(NULL,"\r\n");
2634         reason++;
2635         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2636         // we must update the creation time on this gline
2637         // now that we've added it, or it wont expire at the right time.
2638         zline_set_creation_time(mask,atoi(create_time));
2639         zline_make_global(mask);
2640         if (!atoi(duration))
2641         {
2642                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2643         }
2644         else
2645         {
2646                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2647         }
2648         apply_lines();
2649 }
2650
2651 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2652 {
2653         log(DEBUG,"Removing Z-line");
2654         char* mask = strtok(params," ");
2655         char* who = strtok(NULL," ");
2656         if (mask)
2657         {
2658                 if (del_zline((const char*)mask))
2659                 {
2660                         if (who)
2661                         {
2662                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2663                         }
2664                 }
2665         }
2666 }
2667
2668 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2669 {
2670         char* nick = strtok(params," ");
2671         char* type = strtok(params," ");
2672         userrec* u = Find(nick);
2673         if (u)
2674         {
2675                 strlcpy(u->oper,type,NICKMAX);
2676         }
2677 }
2678
2679
2680 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2681 {
2682         char buffer[MAXBUF];
2683         int MOD_RESULT = 0;
2684
2685         switch(token)
2686         {
2687                 // Y <TS>
2688                 // start netburst
2689                 case 'Y':
2690                         nb_start = TIME;
2691                         WriteOpers("Server %s is starting netburst.",tcp_host);
2692                         // now broadcast this new servers address out to all servers that are linked to us,
2693                         // except the newcomer. They'll all attempt to connect back to it.
2694                         authcookie = rand()*rand();
2695                         snprintf(buffer,MAXBUF,"~ %lu",(unsigned long)authcookie);
2696                         NetSendToAll(buffer);
2697                 break;
2698                 // ~
2699                 // Store authcookie
2700                 // once stored, this authcookie permits other servers to log in
2701                 // without user or password, using it.
2702                 case '~':
2703                         auth_cookies.push_back(atoi(params));
2704                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2705                 break;
2706                 // connect back to a server using an authcookie
2707                 case '+':
2708                         handle_plus(token,params,source,reply,tcp_host);
2709                 break;
2710                 // routing table
2711                 case '$':
2712                         handle_dollar(token,params,source,reply,tcp_host);
2713                 break;
2714                 // node unreachable - we cant route to a server, sooooo we slit it off.
2715                 // servers can generate these for themselves for an squit.
2716                 case '&':
2717                         handle_amp(token,params,source,reply,tcp_host);
2718                 break;
2719                 // R <server> <data>
2720                 // redirect token, send all of <data> along to the given
2721                 // server as this server has been found to still have a route to it
2722                 case 'R':
2723                         handle_R(token,params,source,reply,tcp_host);
2724                 break;
2725                 // ?
2726                 // ping
2727                 case '?':
2728                         reply->SendPacket("!",tcp_host);
2729                 break;
2730                 // ?
2731                 // pong
2732                 case '!':
2733                 break;
2734                 // *
2735                 // no operation
2736                 case '*':
2737                 break;
2738                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2739                 // introduce remote client
2740                 case 'N':
2741                         handle_N(token,params,source,reply,tcp_host);
2742                 break;
2743                 // a <NICK> :<GECOS>
2744                 // change GECOS (SETNAME)
2745                 case 'a':
2746                         handle_a(token,params,source,reply,tcp_host);
2747                 break;
2748                 // b <NICK> :<HOST>
2749                 // change displayed host (SETHOST)
2750                 case 'b':
2751                         handle_b(token,params,source,reply,tcp_host);
2752                 break;
2753                 // t <NICK> <CHANNEL> :<TOPIC>
2754                 // change a channel topic
2755                 case 't':
2756                         handle_t(token,params,source,reply,tcp_host);
2757                 break;
2758                 // i <NICK> <CHANNEL>
2759                 // invite a user to a channel
2760                 case 'i':
2761                         handle_i(token,params,source,reply,tcp_host);
2762                 break;
2763                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2764                 // kick a user from a channel
2765                 case 'k':
2766                         handle_k(token,params,source,reply,tcp_host);
2767                 break;
2768                 // n <NICK> <NEWNICK>
2769                 // change nickname of client -- a server should only be able to
2770                 // change the nicknames of clients that reside on it unless
2771                 // they are ulined.
2772                 case 'n':
2773                         handle_n(token,params,source,reply,tcp_host);
2774                 break;
2775                 // J <NICK> <CHANLIST>
2776                 // Join user to channel list, merge channel permissions
2777                 case 'J':
2778                         handle_J(token,params,source,reply,tcp_host);
2779                 break;
2780                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2781                 // change channel topic (netburst only)
2782                 case 'T':
2783                         handle_T(token,params,source,reply,tcp_host);
2784                 break;
2785                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2786                 // Server setting modes on an object
2787                 case 'M':
2788                         handle_M(token,params,source,reply,tcp_host);
2789                 break;
2790                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2791                 // User setting modes on an object
2792                 case 'm':
2793                         handle_m(token,params,source,reply,tcp_host);
2794                 break;
2795                 // P <SOURCE> <TARGET> :<TEXT>
2796                 // Send a private/channel message
2797                 case 'P':
2798                         handle_P(token,params,source,reply,tcp_host);
2799                 break;
2800                 // V <SOURCE> <TARGET> :<TEXT>
2801                 // Send a private/channel notice
2802                 case 'V':
2803                         handle_V(token,params,source,reply,tcp_host);
2804                 break;
2805                 // v <servername> <arbitary version string>
2806                 case 'v':
2807                         handle_v(token,params,source,reply,tcp_host);
2808                 break;
2809                 // L <SOURCE> <CHANNEL> :<REASON>
2810                 // User parting a channel
2811                 case 'L':
2812                         handle_L(token,params,source,reply,tcp_host);
2813                 break;
2814                 // Q <SOURCE> :<REASON>
2815                 // user quitting
2816                 case 'Q':
2817                         handle_Q(token,params,source,reply,tcp_host);
2818                 break;
2819                 // H <SERVER>
2820                 // introduce non-meshable server (such as a services server)
2821                 case 'H':
2822                         handle_H(token,params,source,reply,tcp_host);
2823                 break;
2824                 // K <SOURCE> <DEST> :<REASON>
2825                 // remote kill
2826                 case 'K':
2827                         handle_K(token,params,source,reply,tcp_host);
2828                 break;
2829                 // @ <SOURCE> :<TEXT>
2830                 // wallops
2831                 case '@':
2832                         handle_AT(token,params,source,reply,tcp_host);
2833                 break;
2834                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2835                 // add gline
2836                 case '#':
2837                         handle_hash(token,params,source,reply,tcp_host);
2838                 break;
2839                 // . <mask> <who>
2840                 // remove gline
2841                 case '.':
2842                         handle_dot(token,params,source,reply,tcp_host);
2843                 break;
2844                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2845                 // add gline
2846                 case '{':
2847                         handle_add_sqline(token,params,source,reply,tcp_host);
2848                 break;
2849                 // . <mask> <who>
2850                 // remove gline
2851                 case '[':
2852                         handle_del_sqline(token,params,source,reply,tcp_host);
2853                 break;
2854                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2855                 // add gline
2856                 case '}':
2857                         handle_add_szline(token,params,source,reply,tcp_host);
2858                 break;
2859                 // . <mask> <who>
2860                 // remove gline
2861                 case ']':
2862                         handle_del_szline(token,params,source,reply,tcp_host);
2863                 break;
2864                 // | <nick> <opertype>
2865                 // set opertype
2866                 case '|':
2867                         handle_pipe(token,params,source,reply,tcp_host);
2868                 break;
2869                 // F <TS>
2870                 // end netburst
2871                 case 'F':
2872                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2873                         handle_F(token,params,source,reply,tcp_host);
2874                         nb_start = 0;
2875                         // tell all the other servers to use this authcookie to connect back again
2876                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2877                         snprintf(buffer,MAXBUF,"+ %s %s %d %lu",tcp_host,ipaddr,port,(unsigned long)authcookie);
2878                         NetSendToAllExcept(tcp_host,buffer);
2879                 break;
2880                 case '/':
2881                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2882                         strlcpy(source->nickserv,params,NICKMAX);
2883                 break;
2884                 // F <TS>
2885                 // end netburst with no mesh creation
2886                 case 'f':
2887                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2888                         handle_F(token,params,source,reply,tcp_host);
2889                         nb_start = 0;
2890                         // tell everyone else about the new server name so they just add it in the disconnected
2891                         // state
2892                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2893                         NetSendToAllExcept(tcp_host,buffer);
2894                 break;
2895                 // X <reserved>
2896                 // Send netburst now
2897                 case 'X':
2898                         WriteOpers("Sending my netburst to %s",tcp_host);
2899                         DoSync(source,tcp_host);
2900                         WriteOpers("Send of netburst to %s completed",tcp_host);
2901                         NetSendMyRoutingTable();
2902                 break;
2903                 // anything else
2904                 default:
2905                         MOD_RESULT = 0;
2906                         string_list s;
2907                         char* data = strtok(params," ");
2908                         while (data)
2909                         {
2910                                 if (*data == ':')
2911                                 {
2912                                         // the last item is a special case
2913                                         data++;
2914                                         char datalast[MAXBUF];
2915                                         strlcpy(datalast,data,MAXBUF);
2916                                         data = strtok(NULL," ");
2917                                         while (data)
2918                                         {
2919                                                 strlcpy(datalast," ",MAXBUF);
2920                                                 strlcpy(datalast,data,MAXBUF);
2921                                                 data = strtok(NULL," ");
2922                                         }
2923                                         s.push_back(data);
2924                                         break;
2925                                 }
2926                                 s.push_back(data);
2927                                 data = strtok(NULL," ");
2928                         }
2929                         FOREACH_RESULT(OnMeshToken(token,s,source,reply,tcp_host,ipaddr,port));
2930                         if (!MOD_RESULT)
2931                                 WriteOpers("WARNING! Unknown datagram type '%c'",token);
2932                 break;
2933         }
2934 }
2935
2936
2937 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2938 {
2939         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)) || (!strncmp(udp_msg,"PASS ",5)) || (!strncmp(udp_msg,"SERVER ",7)))
2940         {
2941                 // a user on a server port, just close their connection.
2942                 RemoveServer(tcp_host);
2943                 return;
2944         }
2945
2946         char response[10240];
2947         char token = udp_msg[0];
2948         char* old = udp_msg;
2949
2950         if ((token != ':') && (strlen(udp_msg)>1) && (udp_msg[1] != ' '))
2951         {
2952                 WriteOpers("*** Discarded %d chars illegal data from %s",strlen(udp_msg),tcp_host);
2953         }
2954
2955         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2956         {
2957                 char* src = udp_msg+1;
2958                 while (udp_msg[0] != ' ')
2959                         udp_msg++;
2960                 udp_msg[0] = 0;
2961                 udp_msg++;
2962                 char* comd = udp_msg;
2963                 while (udp_msg[0] != ' ')
2964                         udp_msg++;
2965                 udp_msg[0] = 0;
2966                 udp_msg++;
2967                 char data[MAXBUF];
2968                 char source[MAXBUF];
2969                 char command[MAXBUF];
2970                 strlcpy(data,udp_msg,512);
2971                 strlcpy(source,src,MAXBUF);
2972                 strlcpy(command,comd,MAXBUF);
2973                 udp_msg = old;
2974
2975                 // unused numeric:
2976                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2977                 if (!strcmp(command,"433"))
2978                 {
2979                         token = '*';
2980                 }
2981                 if (!strcmp(command,"432"))
2982                 {
2983                         token = '*';
2984                 }
2985                 if (!strcmp(command,"PING"))
2986                 {
2987                         token = '*';
2988                 }
2989                 if (!strcmp(command,"NOTICE"))
2990                 {
2991                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2992                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2993                         token = udp_msg[0];
2994                 }
2995                 if (!strcmp(command,"QUIT"))
2996                 {
2997                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2998                         {
2999                                 strcpy(data,":No reason");
3000                         }
3001                         if (!strcmp(data,":"))
3002                         {
3003                                 strcpy(data,":No reason");
3004                         }
3005                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
3006                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
3007                         token = udp_msg[0];
3008                 }
3009                 if (!strcmp(command,"SQUIT"))
3010                 {
3011                         snprintf(udp_msg,MAXBUF,"& %s",source);
3012                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
3013                         token = udp_msg[0];
3014                 }
3015                 if (!strcmp(command,"SVSMODE"))
3016                 {
3017                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3018                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
3019                         token = udp_msg[0];
3020                 }
3021                 if (!strcmp(command,"SVS2MODE"))
3022                 {
3023                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3024                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
3025                         token = udp_msg[0];
3026                 }
3027                 // todo: this wont work without u:lines
3028                 // in give_ops etc allow nick on a u:lined serv to do just about anything
3029                 if (!strcmp(command,"MODE"))
3030                 {
3031                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3032                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
3033                         token = udp_msg[0];
3034                 }
3035                 if (!strcmp(command,"KICK"))
3036                 {
3037                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
3038                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
3039                         token = udp_msg[0];
3040                 }
3041                 if (!strcmp(command,"KILL"))
3042                 {
3043                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
3044                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
3045                         token = udp_msg[0];
3046                 }
3047                 if (!strcmp(command,"SVSJOIN"))
3048                 {
3049                         snprintf(udp_msg,MAXBUF,"J %s",data);
3050                         NetSendToOne(tcp_host,udp_msg);
3051                         char* nick = strtok(data," ");
3052                         char* chan = strtok(NULL," ");
3053                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
3054                         userrec* u = Find(nick);
3055                         if (u)
3056                         {
3057                                 add_channel(u,chan,"",true);
3058                         }
3059                         token = udp_msg[0];
3060                 }
3061
3062         }
3063
3064         char* params = udp_msg + 2;
3065         char finalparam[1024];
3066         strcpy(finalparam," :xxxx");
3067         if (strstr(udp_msg," :")) {
3068                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
3069         }
3070
3071
3072         if (token == '-') {
3073                 char* cookie = strtok(params," ");
3074                 char* servername = strtok(NULL," ");
3075                 char* serverdesc = finalparam+2;
3076
3077                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
3078
3079                 for (int u = 0; u < auth_cookies.size(); u++)
3080                 {
3081                         if (auth_cookies[u] == atoi(cookie))
3082                         {
3083                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
3084
3085
3086                                 for (int j = 0; j < 32; j++)
3087                                 {
3088                                         if (me[j] != NULL)
3089                                         {
3090                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3091                                                 {
3092                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3093                                                         {
3094                                                                 me[j]->connectors[k].SetServerName(servername);
3095                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3096                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3097                                                                 NetSendMyRoutingTable();
3098                                                                 return;
3099                                                         }
3100                                                 }
3101                                         }
3102                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
3103                                         return;
3104                                 }
3105
3106
3107                                 return;
3108                         }
3109                 }
3110                 // bad cookie, bad bad! go sit in the corner!
3111                 WriteOpers("Bad cookie from %s!",servername);
3112                 return;
3113         }
3114         else
3115         if (token == 'S') {
3116                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
3117                 char* servername = strtok(params," ");
3118                 char* password = strtok(NULL," ");
3119                 char* myport = strtok(NULL," ");
3120                 char* revision = strtok(NULL," ");
3121                 char* serverdesc = finalparam+2;
3122
3123                 password = password;
3124
3125                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
3126
3127                 ircd_connector* cn = serv->FindHost(servername);
3128
3129                 if (cn)
3130                 {
3131                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
3132                         char buffer[MAXBUF];
3133                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
3134                         serv->SendPacket(buffer,tcp_host);
3135                         RemoveServer(tcp_host);
3136                         return;
3137                 }
3138
3139                 if (atoi(revision) != GetRevision())
3140                 {
3141                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
3142                         char buffer[MAXBUF];
3143                         snprintf(buffer,MAXBUF,"E :Version number mismatch");
3144                         serv->SendPacket(buffer,tcp_host);
3145                         RemoveServer(tcp_host);
3146                         RemoveServer(servername);
3147                         return;
3148                 }
3149
3150                 for (int j = 0; j < serv->connectors.size(); j++)
3151                 {
3152                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
3153                         {
3154                                 serv->connectors[j].SetServerName(servername);
3155                                 serv->connectors[j].SetDescription(serverdesc);
3156                                 serv->connectors[j].SetServerPort(atoi(myport));
3157                         }
3158                 }
3159
3160
3161                 char Link_ServerName[1024];
3162                 char Link_IPAddr[1024];
3163                 char Link_Port[1024];
3164                 char Link_Pass[1024];
3165                 char Link_SendPass[1024];
3166                 int LinkPort = 0;
3167
3168                 // search for a corresponding <link> block in the config files
3169                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3170                 {
3171                         ConfValue("link","name",i,Link_ServerName,&config_f);
3172                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3173                         ConfValue("link","port",i,Link_Port,&config_f);
3174                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3175                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3176                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3177                         LinkPort = atoi(Link_Port);
3178                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3179                         {
3180                                 // we have a matching link line -
3181                                 // send a 'diminutive' server message back...
3182                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3183                                 serv->SendPacket(response,servername);
3184
3185                                 for (int t = 0; t < serv->connectors.size(); t++)
3186                                 {
3187                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3188                                         {
3189                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3190                                         }
3191                                 }
3192
3193                                 return;
3194                         }
3195                 }
3196                 char buffer[MAXBUF];
3197                 snprintf(buffer,MAXBUF,"E :Access is denied (no matching link block)");
3198                 serv->SendPacket(buffer,tcp_host);
3199                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3200                 RemoveServer(tcp_host);
3201                 RemoveServer(servername);
3202                 return;
3203         }
3204         else
3205         if (token == 's') {
3206                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3207                 char* servername = strtok(params," ");
3208                 char* password = strtok(NULL," ");
3209                 char* serverdesc = finalparam+2;
3210
3211                 password = password;
3212
3213                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3214                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3215                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3216                 // a connect, so put out an oper alert!
3217
3218                 // for now, just accept all, we'll fix that later.
3219                 WriteOpers("%s accepted our link credentials ",servername);
3220
3221                 char Link_ServerName[1024];
3222                 char Link_IPAddr[1024];
3223                 char Link_Port[1024];
3224                 char Link_Pass[1024];
3225                 char Link_SendPass[1024];
3226                 int LinkPort = 0;
3227
3228                 // search for a corresponding <link> block in the config files
3229                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3230                 {
3231                         ConfValue("link","name",i,Link_ServerName,&config_f);
3232                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3233                         ConfValue("link","port",i,Link_Port,&config_f);
3234                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3235                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3236                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3237                         LinkPort = atoi(Link_Port);
3238                         if (!strcasecmp(Link_ServerName,servername))
3239                         {
3240                                 // matching link at this end too, we're all done!
3241                                 // at this point we must begin key exchange and insert this
3242                                 // server into our 'active' table.
3243                                 for (int j = 0; j < 32; j++)
3244                                 {
3245                                         if (me[j] != NULL)
3246                                         {
3247                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3248                                                 {
3249                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3250                                                         {
3251                                                                 char buffer[MAXBUF];
3252                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3253                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3254                                                                 snprintf(buffer,MAXBUF,"X 0");
3255                                                                 serv->SendPacket(buffer,tcp_host);
3256                                                                 DoSync(me[j],tcp_host);
3257                                                                 NetSendMyRoutingTable();
3258                                                                 return;
3259                                                         }
3260                                                 }
3261                                         }
3262                                 }
3263                         }
3264                         else {
3265                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3266                         }
3267                 }
3268                 char buffer[MAXBUF];
3269                 snprintf(buffer,MAXBUF,"E :Access is denied (no matching link block)");
3270                 serv->SendPacket(buffer,tcp_host);
3271                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3272                 RemoveServer(tcp_host);
3273                 RemoveServer(servername);
3274                 return;
3275         }
3276         else
3277         if (token == 'U') {
3278                 // U services.chatspike.net password :ChatSpike Services
3279                 //
3280                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3281                 char* servername = strtok(params," ");
3282                 char* password = strtok(NULL," ");
3283                 char* serverdesc = finalparam+2;
3284
3285                 char Link_ServerName[1024];
3286                 char Link_IPAddr[1024];
3287                 char Link_Port[1024];
3288                 char Link_Pass[1024];
3289                 char Link_SendPass[1024];
3290                 int LinkPort = 0;
3291
3292                 log(DEBUG,"U-token linked server detected.\n\nservername='%s' password='%s'\n\n",servername,password);
3293
3294
3295                 for (int j = 0; j < 32; j++)
3296                 {
3297                         if (me[j] != NULL)
3298                         {
3299                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3300                                 {
3301                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
3302                                         {
3303                                                 char buffer[MAXBUF];
3304                                                 snprintf(buffer,MAXBUF,"E :Access is denied (Server exists in the mesh)");
3305                                                 serv->SendPacket(buffer,tcp_host);
3306                                                 WriteOpers("CONNECT from %s denied, \"%s\" already exists!",tcp_host,servername);
3307                                                 RemoveServer(tcp_host);
3308                                                 return;
3309                                         }
3310                                 }
3311                         }
3312                 }
3313
3314                 // search for a corresponding <link> block in the config files
3315                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3316                 {
3317                         ConfValue("link","name",i,Link_ServerName,&config_f);
3318                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3319                         ConfValue("link","port",i,Link_Port,&config_f);
3320                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3321                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3322                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3323                         LinkPort = atoi(Link_Port);
3324                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3325                         {
3326                                 // matching link at this end too, we're all done!
3327                                 // at this point we must begin key exchange and insert this
3328                                 // server into our 'active' table.
3329                                 for (int j = 0; j < 32; j++)
3330                                 {
3331                                         if (me[j] != NULL)
3332                                         {
3333                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3334                                                 {
3335                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3336                                                         {
3337                                                                 char buffer[MAXBUF];
3338                                                                 log(DEBUG,"Found matching link block");
3339                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3340                                                                 me[j]->connectors[k].SetServerName(servername);
3341                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3342                                                                 snprintf(buffer,MAXBUF,"X 0");
3343                                                                 serv->SendPacket(buffer,servername);
3344                                                                 snprintf(buffer,MAXBUF,"s %s %s %lu :%s",ServerName,Link_SendPass,LinkPort,ServerDesc);
3345                                                                 serv->SendPacket(buffer,servername);
3346                                                                 DoSync(me[j],servername);
3347                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3348                                                                 NetSendToAllExcept(servername,buffer);
3349                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3350                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3351                                                                 NetSendMyRoutingTable();
3352                                                                 return;
3353                                                         }
3354                                                 }
3355                                         }
3356                                 }
3357                         }
3358                         else {
3359                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3360                         }
3361                 }
3362                 log(DEBUG,"No matching link block found");
3363                 char buffer[MAXBUF];
3364                 snprintf(buffer,MAXBUF,"E :Access is denied (no matching link block)");
3365                 serv->SendPacket(buffer,tcp_host);
3366                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3367                 RemoveServer(tcp_host);
3368                 RemoveServer(servername);
3369                 return;
3370         }
3371         else
3372         if (token == 'E') {
3373                 char* error_message = finalparam+2;
3374                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3375                 return;
3376         }
3377         else {
3378                 for (int j = 0; j < 32; j++)
3379                 {
3380                         if (me[j] != NULL)
3381                         {
3382                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3383                                 {
3384                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3385                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3386                                         {
3387                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3388                                                 {
3389                                                         // found a valid ircd_connector.
3390                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3391                                                         return;
3392                                                 }
3393                                         }
3394                                 }
3395                         }
3396                 }
3397
3398                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3399         }
3400 }
3401
3402 long duration(const char* str)
3403 {
3404         char n_field[MAXBUF];
3405         long total = 0;
3406         const char* str_end = str + strlen(str);
3407         n_field[0] = 0;
3408
3409         for (char* i = (char*)str; i < str_end; i++)
3410         {
3411                 // if we have digits, build up a string for the value in n_field,
3412                 // up to 10 digits in size.
3413                 if ((*i >= '0') && (*i <= '9'))
3414                 {
3415                         strlcat(n_field,i,10);
3416                 }
3417                 else
3418                 {
3419                         // we dont have a digit, check for numeric tokens
3420                         switch (tolower(*i))
3421                         {
3422                                 case 's':
3423                                         total += atoi(n_field);
3424                                 break;
3425
3426                                 case 'm':
3427                                         total += (atoi(n_field)*duration_m);
3428                                 break;
3429
3430                                 case 'h':
3431                                         total += (atoi(n_field)*duration_h);
3432                                 break;
3433
3434                                 case 'd':
3435                                         total += (atoi(n_field)*duration_d);
3436                                 break;
3437
3438                                 case 'w':
3439                                         total += (atoi(n_field)*duration_w);
3440                                 break;
3441
3442                                 case 'y':
3443                                         total += (atoi(n_field)*duration_y);
3444                                 break;
3445                         }
3446                         n_field[0] = 0;
3447                 }
3448         }
3449         // add trailing seconds
3450         total += atoi(n_field);
3451
3452         return total;
3453 }
3454
3455
3456 void handle_kline(char **parameters, int pcnt, userrec *user)
3457 {
3458         if (pcnt >= 3)
3459         {
3460                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3461                 if (!duration(parameters[1]))
3462                 {
3463                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3464                 }
3465                 else
3466                 {
3467                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3468                 }
3469         }
3470         else
3471         {
3472                 if (del_kline(parameters[0]))
3473                 {
3474                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3475                 }
3476                 else
3477                 {
3478                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3479                 }
3480         }
3481         apply_lines();
3482 }
3483
3484 void handle_eline(char **parameters, int pcnt, userrec *user)
3485 {
3486         if (pcnt >= 3)
3487         {
3488                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3489                 if (!duration(parameters[1]))
3490                 {
3491                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3492                 }
3493                 else
3494                 {
3495                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3496                 }
3497         }
3498         else
3499         {
3500                 if (del_eline(parameters[0]))
3501                 {
3502                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3503                 }
3504                 else
3505                 {
3506                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3507                 }
3508         }
3509         // no need to apply the lines for an eline
3510 }
3511
3512 void handle_gline(char **parameters, int pcnt, userrec *user)
3513 {
3514         char netdata[MAXBUF];
3515         if (pcnt >= 3)
3516         {
3517                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3518                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3519                 snprintf(netdata,MAXBUF,"# %s %s %lu %lu :%s",parameters[0],user->nick,(unsigned long)TIME,(unsigned long)duration(parameters[1]),parameters[2]);
3520                 NetSendToAll(netdata);
3521                 if (!duration(parameters[1]))
3522                 {
3523                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3524                 }
3525                 else
3526                 {
3527                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3528                 }
3529         }
3530         else
3531         {
3532                 if (del_gline(parameters[0]))
3533                 {
3534                         // . <mask> <who-removed-it>
3535                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3536                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3537                 }
3538                 else
3539                 {
3540                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3541                 }
3542         }
3543         apply_lines();
3544 }
3545
3546 void handle_zline(char **parameters, int pcnt, userrec *user)
3547 {
3548         if (pcnt >= 3)
3549         {
3550                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3551                 if (!duration(parameters[1]))
3552                 {
3553                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3554                 }
3555                 else
3556                 {
3557                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3558                 }
3559         }
3560         else
3561         {
3562                 if (del_zline(parameters[0]))
3563                 {
3564                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3565                 }
3566                 else
3567                 {
3568                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3569                 }
3570         }
3571         apply_lines();
3572 }
3573
3574 void handle_qline(char **parameters, int pcnt, userrec *user)
3575 {
3576         if (pcnt >= 3)
3577         {
3578                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3579                 if (!duration(parameters[1]))
3580                 {
3581                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3582                 }
3583                 else
3584                 {
3585                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3586                 }
3587         }
3588         else
3589         {
3590                 if (del_qline(parameters[0]))
3591                 {
3592                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3593                 }
3594                 else
3595                 {
3596                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3597                 }
3598         }
3599         apply_lines();
3600 }
3601
3602