src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern time_t TIME;
  95
  96 extern std::vector<int> fd_reap;
  97 extern std::vector<std::string> module_names;
  98
  99 extern char MyExecutable[1024];
 100 extern int boundPortCount;
 101 extern int portCount;
 102 extern int UDPportCount;
 103 extern int ports[MAXSOCKS];
 104 extern int defaultRoute;
 105
 106 extern std::vector<long> auth_cookies;
 107 extern std::stringstream config_f;
 108
 109 extern serverrec* me[32];
 110
 111 extern FILE *log_file;
 112
 113 extern ClassVector Classes;
 114
 115 const long duration_m = 60;
 116 const long duration_h = duration_m * 60;
 117 const long duration_d = duration_h * 24;
 118 const long duration_w = duration_d * 7;
 119 const long duration_y = duration_w * 52;
 120
 121 namespace nspace
 122 {
 123 #ifdef GCC34
 124         template<> struct hash<in_addr>
 125 #else
 126         template<> struct nspace::hash<in_addr>
 127 #endif
 128         {
 129                 size_t operator()(const struct in_addr &a) const
 130                 {
 131                         size_t q;
 132                         memcpy(&q,&a,sizeof(size_t));
 133                         return q;
 134                 }
 135         };
 136 #ifdef GCC34
 137         template<> struct hash<string>
 138 #else
 139         template<> struct nspace::hash<string>
 140 #endif
 141         {
 142                 size_t operator()(const string &s) const
 143                 {
 144                         char a[MAXBUF];
 145                         static struct hash<const char *> strhash;
 146                         strlcpy(a,s.c_str(),MAXBUF);
 147                         strlower(a);
 148                         return strhash(a);
 149                 }
 150         };
 151 }
 152
 153
 154 struct StrHashComp
 155 {
 156
 157         bool operator()(const string& s1, const string& s2) const
 158         {
 159                 char a[MAXBUF],b[MAXBUF];
 160                 strlcpy(a,s1.c_str(),MAXBUF);
 161                 strlcpy(b,s2.c_str(),MAXBUF);
 162                 return (strcasecmp(a,b) == 0);
 163         }
 164
 165 };
 166
 167 struct InAddr_HashComp
 168 {
 169
 170         bool operator()(const in_addr &s1, const in_addr &s2) const
 171         {
 172                 size_t q;
 173                 size_t p;
 174
 175                 memcpy(&q,&s1,sizeof(size_t));
 176                 memcpy(&p,&s2,sizeof(size_t));
 177
 178                 return (q == p);
 179         }
 180
 181 };
 182
 183
 184 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 185 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 186 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 187 typedef std::deque<command_t> command_table;
 188
 189
 190 extern user_hash clientlist;
 191 extern chan_hash chanlist;
 192 extern user_hash whowas;
 193 extern command_table cmdlist;
 194 extern file_cache MOTD;
 195 extern file_cache RULES;
 196 extern address_cache IP;
 197
 198
 199 void handle_join(char **parameters, int pcnt, userrec *user)
 200 {
 201         chanrec* Ptr;
 202         int i = 0;
 203
 204         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 205                 return;
 206         if (parameters[0][0] == '#')
 207         {
 208                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 209         }
 210 }
 211
 212
 213 void handle_part(char **parameters, int pcnt, userrec *user)
 214 {
 215         chanrec* Ptr;
 216
 217         if (pcnt > 1)
 218         {
 219                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 220                         return;
 221                 del_channel(user,parameters[0],parameters[1],false);
 222         }
 223         else
 224         {
 225                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 226                         return;
 227                 del_channel(user,parameters[0],NULL,false);
 228         }
 229 }
 230
 231 void handle_kick(char **parameters, int pcnt, userrec *user)
 232 {
 233         chanrec* Ptr = FindChan(parameters[0]);
 234         userrec* u   = Find(parameters[1]);
 235
 236         if ((!u) || (!Ptr))
 237         {
 238                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 239                 return;
 240         }
 241
 242         if (!has_channel(user,Ptr))
 243         {
 244                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 245                 return;
 246         }
 247
 248         char reason[MAXBUF];
 249
 250         if (pcnt > 2)
 251         {
 252                 strlcpy(reason,parameters[2],MAXBUF);
 253                 if (strlen(reason)>MAXKICK)
 254                 {
 255                         reason[MAXKICK-1] = '\0';
 256                 }
 257
 258                 kick_channel(user,u,Ptr,reason);
 259         }
 260         else
 261         {
 262                 strlcpy(reason,user->nick,MAXBUF);
 263                 kick_channel(user,u,Ptr,reason);
 264         }
 265
 266         // this must be propogated so that channel membership is kept in step network-wide
 267         char buffer[MAXBUF];
 268         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 269         NetSendToAll(buffer);
 270 }
 271
 272 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 273 {
 274         if (LoadModule(parameters[0]))
 275         {
 276                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 277                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 278         }
 279         else
 280         {
 281                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 282         }
 283 }
 284
 285 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 286 {
 287         if (UnloadModule(parameters[0]))
 288         {
 289                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 290                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 291         }
 292         else
 293         {
 294                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 295         }
 296 }
 297
 298 void handle_die(char **parameters, int pcnt, userrec *user)
 299 {
 300         log(DEBUG,"die: %s",user->nick);
 301         if (!strcmp(parameters[0],diepass))
 302         {
 303                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 304                 sleep(DieDelay);
 305                 Exit(ERROR);
 306         }
 307         else
 308         {
 309                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 310         }
 311 }
 312
 313 void handle_restart(char **parameters, int pcnt, userrec *user)
 314 {
 315         char restart[1024];
 316         char *argv[32];
 317         log(DEFAULT,"Restart: %s",user->nick);
 318         if (!strcmp(parameters[0],restartpass))
 319         {
 320                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 321
 322                 argv[0] = MyExecutable;
 323                 argv[1] = "-wait";
 324                 if (nofork)
 325                 {
 326                         argv[2] = "-nofork";
 327                 }
 328                 else
 329                 {
 330                         argv[2] = NULL;
 331                 }
 332                 argv[3] = NULL;
 333
 334                 // close ALL file descriptors
 335                 send_error("Server restarting.");
 336                 sleep(1);
 337                 for (int i = 0; i < 65536; i++)
 338                 {
 339                         int on = 0;
 340                         struct linger linger = { 0 };
 341                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 342                         linger.l_onoff = 1;
 343                         linger.l_linger = 0;
 344                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 345                         Blocking(i);
 346                         close(i);
 347                 }
 348                 sleep(5);
 349
 350                 execv(MyExecutable,argv);
 351
 352                 exit(0);
 353         }
 354         else
 355         {
 356                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 357         }
 358 }
 359
 360 void handle_kill(char **parameters, int pcnt, userrec *user)
 361 {
 362         userrec *u = Find(parameters[0]);
 363         char killreason[MAXBUF];
 364
 365         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 366         if (u)
 367         {
 368                 log(DEBUG,"into kill mechanism");
 369                 int MOD_RESULT = 0;
 370                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 371                 if (MOD_RESULT) {
 372                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 373                         return;
 374                 }
 375
 376                 if (strcmp(ServerName,u->server))
 377                 {
 378                         // remote kill
 379                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 380                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 381                         WriteCommonExcept(u,"QUIT :%s",killreason);
 382                         // K token must go to ALL servers!!!
 383                         char buffer[MAXBUF];
 384                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 385                         NetSendToAll(buffer);
 386
 387                         user_hash::iterator iter = clientlist.find(u->nick);
 388                         if (iter != clientlist.end())
 389                         {
 390                                 log(DEBUG,"deleting user hash value %d",iter->second);
 391                                 if ((iter->second) && (user->registered == 7)) {
 392                                         delete iter->second;
 393                                 }
 394                                 clientlist.erase(iter);
 395                         }
 396                         purge_empty_chans();
 397                 }
 398                 else
 399                 {
 400                         // local kill
 401                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 402                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 403                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 404                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 405                         kill_link(u,killreason);
 406                 }
 407         }
 408         else
 409         {
 410                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 411         }
 412 }
 413
 414 void handle_summon(char **parameters, int pcnt, userrec *user)
 415 {
 416         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 417 }
 418
 419 void handle_users(char **parameters, int pcnt, userrec *user)
 420 {
 421         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 422 }
 423
 424 void handle_pass(char **parameters, int pcnt, userrec *user)
 425 {
 426         // Check to make sure they havnt registered -- Fix by FCS
 427         if (user->registered == 7)
 428         {
 429                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 430                 return;
 431         }
 432         if (!strcasecmp(parameters[0],Passwd(user)))
 433         {
 434                 user->haspassed = true;
 435         }
 436 }
 437
 438 void handle_invite(char **parameters, int pcnt, userrec *user)
 439 {
 440         userrec* u = Find(parameters[0]);
 441         chanrec* c = FindChan(parameters[1]);
 442
 443         if ((!c) || (!u))
 444         {
 445                 if (!c)
 446                 {
 447                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 448                 }
 449                 else
 450                 {
 451                         if (c->inviteonly)
 452                         {
 453                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 454                         }
 455                 }
 456
 457                 return;
 458         }
 459
 460         if (c->inviteonly)
 461         {
 462                 if (cstatus(user,c) < STATUS_HOP)
 463                 {
 464                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 465                         return;
 466                 }
 467         }
 468         if (has_channel(u,c))
 469         {
 470                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 471                 return;
 472         }
 473         if (!has_channel(user,c))
 474         {
 475                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 476                 return;
 477         }
 478
 479         int MOD_RESULT = 0;
 480         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 481         if (MOD_RESULT == 1) {
 482                 return;
 483         }
 484
 485         u->InviteTo(c->name);
 486         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 487         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 488
 489         // i token must go to ALL servers!!!
 490         char buffer[MAXBUF];
 491         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 492         NetSendToAll(buffer);
 493 }
 494
 495 void handle_topic(char **parameters, int pcnt, userrec *user)
 496 {
 497         chanrec* Ptr;
 498
 499         if (pcnt == 1)
 500         {
 501                 if (strlen(parameters[0]) <= CHANMAX)
 502                 {
 503                         Ptr = FindChan(parameters[0]);
 504                         if (Ptr)
 505                         {
 506                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 507                                 {
 508                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 509                                         return;
 510                                 }
 511                                 if (Ptr->topicset)
 512                                 {
 513                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 514                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 515                                 }
 516                                 else
 517                                 {
 518                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 519                                 }
 520                         }
 521                         else
 522                         {
 523                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 524                         }
 525                 }
 526                 return;
 527         }
 528         else if (pcnt>1)
 529         {
 530                 if (strlen(parameters[0]) <= CHANMAX)
 531                 {
 532                         Ptr = FindChan(parameters[0]);
 533                         if (Ptr)
 534                         {
 535                                 if ((Ptr) && (!has_channel(user,Ptr)))
 536                                 {
 537                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 538                                         return;
 539                                 }
 540                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 541                                 {
 542                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 543                                         return;
 544                                 }
 545
 546                                 char topic[MAXBUF];
 547                                 strlcpy(topic,parameters[1],MAXBUF);
 548                                 if (strlen(topic)>MAXTOPIC)
 549                                 {
 550                                         topic[MAXTOPIC-1] = '\0';
 551                                 }
 552
 553                                 strlcpy(Ptr->topic,topic,MAXBUF);
 554                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 555                                 Ptr->topicset = TIME;
 556                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 557
 558                                 // t token must go to ALL servers!!!
 559                                 char buffer[MAXBUF];
 560                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 561                                 NetSendToAll(buffer);
 562                         }
 563                         else
 564                         {
 565                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 566                         }
 567                 }
 568         }
 569 }
 570
 571 void handle_names(char **parameters, int pcnt, userrec *user)
 572 {
 573         chanrec* c;
 574
 575         if (!pcnt)
 576         {
 577                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 578                 return;
 579         }
 580
 581         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 582                 return;
 583         c = FindChan(parameters[0]);
 584         if (c)
 585         {
 586                 if (((c) && (!has_channel(user,c))) && (c->secret))
 587                 {
 588                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 589                       return;
 590                 }
 591                 userlist(user,c);
 592                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 593         }
 594         else
 595         {
 596                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 597         }
 598 }
 599
 600 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 601 {
 602         userrec *dest;
 603         chanrec *chan;
 604
 605         user->idle_lastmsg = TIME;
 606
 607         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 608                 return;
 609         if (parameters[0][0] == '#')
 610         {
 611                 chan = FindChan(parameters[0]);
 612                 if (chan)
 613                 {
 614                         if ((chan->noexternal) && (!has_channel(user,chan)))
 615                         {
 616                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 617                                 return;
 618                         }
 619                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 620                         {
 621                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 622                                 return;
 623                         }
 624
 625                         int MOD_RESULT = 0;
 626
 627                         std::string temp = parameters[1];
 628                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 629                         if (MOD_RESULT) {
 630                                 return;
 631                         }
 632                         parameters[1] = (char*)temp.c_str();
 633
 634                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 635
 636                         // if any users of this channel are on remote servers, broadcast the packet
 637                         char buffer[MAXBUF];
 638                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 639                         NetSendToCommon(user,buffer);
 640                 }
 641                 else
 642                 {
 643                         /* no such nick/channel */
 644                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 645                 }
 646                 return;
 647         }
 648
 649         dest = Find(parameters[0]);
 650         if (dest)
 651         {
 652                 if (strcmp(dest->awaymsg,""))
 653                 {
 654                         /* auto respond with aweh msg */
 655                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 656                 }
 657
 658                 int MOD_RESULT = 0;
 659
 660                 std::string temp = parameters[1];
 661                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 662                 if (MOD_RESULT) {
 663                         return;
 664                 }
 665                 parameters[1] = (char*)temp.c_str();
 666
 667
 668
 669                 if (!strcmp(dest->server,user->server))
 670                 {
 671                         // direct write, same server
 672                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 673                 }
 674                 else
 675                 {
 676                         char buffer[MAXBUF];
 677                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 678                         NetSendToOne(dest->server,buffer);
 679                 }
 680         }
 681         else
 682         {
 683                 /* no such nick/channel */
 684                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 685         }
 686 }
 687
 688 void handle_notice(char **parameters, int pcnt, userrec *user)
 689 {
 690         userrec *dest;
 691         chanrec *chan;
 692
 693         user->idle_lastmsg = TIME;
 694
 695         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 696                 return;
 697         if (parameters[0][0] == '#')
 698         {
 699                 chan = FindChan(parameters[0]);
 700                 if (chan)
 701                 {
 702                         if ((chan->noexternal) && (!has_channel(user,chan)))
 703                         {
 704                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 705                                 return;
 706                         }
 707                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 708                         {
 709                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 710                                 return;
 711                         }
 712
 713                         int MOD_RESULT = 0;
 714
 715                         std::string temp = parameters[1];
 716                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 717                         if (MOD_RESULT) {
 718                                 return;
 719                         }
 720                         parameters[1] = (char*)temp.c_str();
 721
 722                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 723
 724                         // if any users of this channel are on remote servers, broadcast the packet
 725                         char buffer[MAXBUF];
 726                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 727                         NetSendToCommon(user,buffer);
 728                 }
 729                 else
 730                 {
 731                         /* no such nick/channel */
 732                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 733                 }
 734                 return;
 735         }
 736
 737         dest = Find(parameters[0]);
 738         if (dest)
 739         {
 740                 int MOD_RESULT = 0;
 741
 742                 std::string temp = parameters[1];
 743                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 744                 if (MOD_RESULT) {
 745                         return;
 746                 }
 747                 parameters[1] = (char*)temp.c_str();
 748
 749                 if (!strcmp(dest->server,user->server))
 750                 {
 751                         // direct write, same server
 752                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 753                 }
 754                 else
 755                 {
 756                         char buffer[MAXBUF];
 757                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 758                         NetSendToOne(dest->server,buffer);
 759                 }
 760         }
 761         else
 762         {
 763                 /* no such nick/channel */
 764                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 765         }
 766 }
 767
 768 void handle_server(char **parameters, int pcnt, userrec *user)
 769 {
 770         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 771         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 772 }
 773
 774 void handle_info(char **parameters, int pcnt, userrec *user)
 775 {
 776         WriteServ(user->fd,"371 %s :The Inspire IRCd Project Has been brought to you by the following people..",user->nick);
 777         WriteServ(user->fd,"371 %s :Craig Edwards, Craig McLure, and Others..",user->nick);
 778         WriteServ(user->fd,"371 %s :Will finish this later when i can be arsed :p",user->nick);
 779         FOREACH_MOD OnInfo(user);
 780         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 781 }
 782
 783 void handle_time(char **parameters, int pcnt, userrec *user)
 784 {
 785         time_t rawtime;
 786         struct tm * timeinfo;
 787
 788         time ( &rawtime );
 789         timeinfo = localtime ( &rawtime );
 790         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 791
 792 }
 793
 794 void handle_whois(char **parameters, int pcnt, userrec *user)
 795 {
 796         userrec *dest;
 797         char *t;
 798
 799         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 800                 return;
 801         dest = Find(parameters[0]);
 802         if (dest)
 803         {
 804                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 805                 if (dest->registered == 7)
 806                 {
 807                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 808                         if ((user == dest) || (strchr(user->modes,'o')))
 809                         {
 810                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 811                         }
 812                         if (strcmp(chlist(dest),""))
 813                         {
 814                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 815                         }
 816                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 817                         if (strcmp(dest->awaymsg,""))
 818                         {
 819                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 820                         }
 821                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 822                         {
 823                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 824                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 825                         }
 826                         FOREACH_MOD OnWhois(user,dest);
 827                         if (!strcasecmp(user->server,dest->server))
 828                         {
 829                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 830                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 831                         }
 832
 833                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 834                 }
 835                 else
 836                 {
 837                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 838                 }
 839         }
 840         else
 841         {
 842                 /* no such nick/channel */
 843                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 844         }
 845 }
 846
 847 void handle_quit(char **parameters, int pcnt, userrec *user)
 848 {
 849         user_hash::iterator iter = clientlist.find(user->nick);
 850         char* reason;
 851
 852         if (user->registered == 7)
 853         {
 854                 /* theres more to do here, but for now just close the socket */
 855                 if (pcnt == 1)
 856                 {
 857                         if (parameters[0][0] == ':')
 858                         {
 859                                 *parameters[0]++;
 860                         }
 861                         reason = parameters[0];
 862
 863                         if (strlen(reason)>MAXQUIT)
 864                         {
 865                                 reason[MAXQUIT-1] = '\0';
 866                         }
 867
 868                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 869                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 870                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 871
 872                         char buffer[MAXBUF];
 873                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 874                         NetSendToAll(buffer);
 875                 }
 876                 else
 877                 {
 878                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 879                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 880                         WriteCommonExcept(user,"QUIT :Client exited");
 881
 882                         char buffer[MAXBUF];
 883                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 884                         NetSendToAll(buffer);
 885                 }
 886                 FOREACH_MOD OnUserQuit(user);
 887                 AddWhoWas(user);
 888         }
 889
 890         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 891         fd_reap.push_back(user->fd);
 892
 893         if (iter != clientlist.end())
 894         {
 895                 clientlist.erase(iter);
 896                 log(DEBUG,"deleting user hash value %d",iter->second);
 897                 //if ((user) && (user->registered == 7)) {
 898                         //delete user;
 899                 //}
 900         }
 901
 902         if (user->registered == 7) {
 903                 purge_empty_chans();
 904         }
 905 }
 906
 907 void handle_who(char **parameters, int pcnt, userrec *user)
 908 {
 909         chanrec* Ptr = NULL;
 910         char tmp[10];
 911
 912         /* theres more to do here, but for now just close the socket */
 913         if (pcnt == 1)
 914         {
 915                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 916                 {
 917                         if (user->chans[0].channel)
 918                         {
 919                                 int n_list = 0;
 920                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 921                                 {
 922                                         Ptr = i->second->chans[0].channel;
 923                                         // suggested by phidjit and FCS
 924                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 925                                         {
 926                                                 // Bug Fix #29
 927                                                 strcpy(tmp, "");
 928                                                 if (strcmp(i->second->awaymsg, "")) {
 929                                                         strncat(tmp, "G", 9);
 930                                                 } else {
 931                                                         strncat(tmp, "H", 9);
 932                                                 }
 933                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 934                                                 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);
 935                                                 n_list++;
 936                                                 if (n_list > MaxWhoResults)
 937                                                         break;
 938                                         }
 939                                 }
 940                         }
 941                         if (Ptr)
 942                         {
 943                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 944                         }
 945                         else
 946                         {
 947                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 948                         }
 949                         return;
 950                 }
 951                 if (parameters[0][0] == '#')
 952                 {
 953                         Ptr = FindChan(parameters[0]);
 954                         if (Ptr)
 955                         {
 956                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 957                                 {
 958                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
 959                                         {
 960                                                 // Fix Bug #29 - Part 2..
 961                                                 strcpy(tmp, "");
 962                                                 if (strcmp(i->second->awaymsg, "")) {
 963                                                         strncat(tmp, "G", 9);
 964                                                 } else {
 965                                                         strncat(tmp, "H", 9);
 966                                                 }
 967                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 968                                                 strcat(tmp, cmode(i->second, Ptr));
 969                                                 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);
 970                                         }
 971                                 }
 972                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 973                         }
 974                         else
 975                         {
 976                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 977                         }
 978                 }
 979                 else
 980                 {
 981                         userrec* u = Find(parameters[0]);
 982                         if (u)
 983                         {
 984                                 // Bug Fix #29 -- Part 29..
 985                                 strcpy(tmp, "");
 986                                 if (strcmp(u->awaymsg, "")) {
 987                                         strncat(tmp, "G" ,9);
 988                                 } else {
 989                                         strncat(tmp, "H" ,9);
 990                                 }
 991                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
 992                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->nick, u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
 993                         }
 994                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 995                 }
 996         }
 997         if (pcnt == 2)
 998         {
 999                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1000                 {
1001                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1002                         {
1003                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
1004                                 {
1005                                         if (strchr(i->second->modes,'o'))
1006                                         {
1007                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1008                                                 // But i'm a poor bastard with nothing better to do.
1009                                                 strcpy(tmp, "");
1010                                                 if (strcmp(i->second->awaymsg, "")) {
1011                                                         strncat(tmp, "G" ,9);
1012                                                 } else {
1013                                                         strncat(tmp, "H" ,9);
1014                                                 }
1015
1016                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s",user->nick, user->nick, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1017                                         }
1018                                 }
1019                         }
1020                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1021                         return;
1022                 }
1023         }
1024 }
1025
1026 void handle_wallops(char **parameters, int pcnt, userrec *user)
1027 {
1028         WriteWallOps(user,false,"%s",parameters[0]);
1029 }
1030
1031 void handle_list(char **parameters, int pcnt, userrec *user)
1032 {
1033         chanrec* Ptr;
1034
1035         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1036         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1037         {
1038                 if ((!i->second->c_private) && (!i->second->secret))
1039                 {
1040                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1041                 }
1042         }
1043         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1044 }
1045
1046
1047 void handle_rehash(char **parameters, int pcnt, userrec *user)
1048 {
1049         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1050         ReadConfig(false,user);
1051         FOREACH_MOD OnRehash();
1052         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1053 }
1054
1055 void handle_lusers(char **parameters, int pcnt, userrec *user)
1056 {
1057         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1058         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1059         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1060         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1061         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1062 }
1063
1064 void handle_admin(char **parameters, int pcnt, userrec *user)
1065 {
1066         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1067         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1068         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1069         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1070 }
1071
1072 void handle_ping(char **parameters, int pcnt, userrec *user)
1073 {
1074         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1075 }
1076
1077 void handle_pong(char **parameters, int pcnt, userrec *user)
1078 {
1079         // set the user as alive so they survive to next ping
1080         user->lastping = 1;
1081 }
1082
1083 void handle_motd(char **parameters, int pcnt, userrec *user)
1084 {
1085         ShowMOTD(user);
1086 }
1087
1088 void handle_rules(char **parameters, int pcnt, userrec *user)
1089 {
1090         ShowRULES(user);
1091 }
1092
1093 void handle_user(char **parameters, int pcnt, userrec *user)
1094 {
1095         if (user->registered < 3)
1096         {
1097                 if (isident(parameters[0]) == 0) {
1098                         // This kinda Sucks, According to the RFC thou, its either this,
1099                         // or "You have already registered" :p -- Craig
1100                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1101                 }
1102                 else {
1103                         WriteServ(user->fd,"NOTICE Auth :No ident response, ident prefixed with ~");
1104                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1105                         strlcat(user->ident,parameters[0],IDENTMAX);
1106                         strlcpy(user->fullname,parameters[3],128);
1107                         user->registered = (user->registered | 1);
1108                 }
1109         }
1110         else
1111         {
1112                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1113                 return;
1114         }
1115         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1116         if (user->registered == 3)
1117         {
1118                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1119                 ConnectUser(user);
1120         }
1121 }
1122
1123 void handle_userhost(char **parameters, int pcnt, userrec *user)
1124 {
1125         char Return[MAXBUF],junk[MAXBUF];
1126         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1127         for (int i = 0; i < pcnt; i++)
1128         {
1129                 userrec *u = Find(parameters[i]);
1130                 if (u)
1131                 {
1132                         if (strchr(u->modes,'o'))
1133                         {
1134                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1135                                 strlcat(Return,junk,MAXBUF);
1136                         }
1137                         else
1138                         {
1139                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1140                                 strlcat(Return,junk,MAXBUF);
1141                         }
1142                 }
1143         }
1144         WriteServ(user->fd,Return);
1145 }
1146
1147
1148 void handle_ison(char **parameters, int pcnt, userrec *user)
1149 {
1150         char Return[MAXBUF];
1151         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1152         for (int i = 0; i < pcnt; i++)
1153         {
1154                 userrec *u = Find(parameters[i]);
1155                 if (u)
1156                 {
1157                         strlcat(Return,u->nick,MAXBUF);
1158                         strlcat(Return," ",MAXBUF);
1159                 }
1160         }
1161         WriteServ(user->fd,Return);
1162 }
1163
1164
1165 void handle_away(char **parameters, int pcnt, userrec *user)
1166 {
1167         if (pcnt)
1168         {
1169                 strlcpy(user->awaymsg,parameters[0],512);
1170                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1171         }
1172         else
1173         {
1174                 strlcpy(user->awaymsg,"",512);
1175                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1176         }
1177 }
1178
1179 void handle_whowas(char **parameters, int pcnt, userrec* user)
1180 {
1181         user_hash::iterator i = whowas.find(parameters[0]);
1182
1183         if (i == whowas.end())
1184         {
1185                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1186                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1187         }
1188         else
1189         {
1190                 time_t rawtime = i->second->signon;
1191                 tm *timeinfo;
1192                 char b[MAXBUF];
1193
1194                 timeinfo = localtime(&rawtime);
1195                 strlcpy(b,asctime(timeinfo),MAXBUF);
1196                 b[strlen(b)-1] = '\0';
1197
1198                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1199                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1200                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1201         }
1202
1203 }
1204
1205 void handle_trace(char **parameters, int pcnt, userrec *user)
1206 {
1207         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1208         {
1209                 if (i->second)
1210                 {
1211                         if (isnick(i->second->nick))
1212                         {
1213                                 if (strchr(i->second->modes,'o'))
1214                                 {
1215                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1216                                 }
1217                                 else
1218                                 {
1219                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1220                                 }
1221                         }
1222                         else
1223                         {
1224                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1225                         }
1226                 }
1227         }
1228 }
1229
1230 void handle_modules(char **parameters, int pcnt, userrec *user)
1231 {
1232         for (int i = 0; i < module_names.size(); i++)
1233         {
1234                 Version V = modules[i]->GetVersion();
1235                 char modulename[MAXBUF];
1236                 char flagstate[MAXBUF];
1237                 strcpy(flagstate,"");
1238                 if (V.Flags & VF_STATIC)
1239                         strlcat(flagstate,", static",MAXBUF);
1240                 if (V.Flags & VF_VENDOR)
1241                         strlcat(flagstate,", vendor",MAXBUF);
1242                 if (V.Flags & VF_COMMON)
1243                         strlcat(flagstate,", common",MAXBUF);
1244                 if (V.Flags & VF_SERVICEPROVIDER)
1245                         strlcat(flagstate,", service provider",MAXBUF);
1246                 if (!strlen(flagstate))
1247                         strcpy(flagstate,"  <no flags>");
1248                 strlcpy(modulename,module_names[i].c_str(),256);
1249                 if (strchr(user->modes,'o'))
1250                 {
1251                         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);
1252                 }
1253                 else
1254                 {
1255                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1256                 }
1257         }
1258 }
1259
1260 void handle_stats(char **parameters, int pcnt, userrec *user)
1261 {
1262         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1263         if (pcnt != 1)
1264         {
1265                 return;
1266         }
1267         if (strlen(parameters[0])>1)
1268         {
1269                 /* make the stats query 1 character long */
1270                 parameters[0][1] = '\0';
1271         }
1272
1273
1274         if (!strcasecmp(parameters[0],"c"))
1275         {
1276                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1277                 {
1278                         ConfValue("link","name",i,Link_ServerName,&config_f);
1279                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1280                         ConfValue("link","port",i,Link_Port,&config_f);
1281                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1282                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1283                 }
1284         }
1285
1286         if (!strcasecmp(parameters[0],"i"))
1287         {
1288                 int idx = 0;
1289                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1290                 {
1291                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1292                         idx++;
1293                 }
1294         }
1295
1296         if (!strcasecmp(parameters[0],"y"))
1297         {
1298                 int idx = 0;
1299                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1300                 {
1301                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1302                         idx++;
1303                 }
1304         }
1305
1306         if (!strcmp(parameters[0],"U"))
1307         {
1308                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1309                 {
1310                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1311                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1312                 }
1313         }
1314
1315         if (!strcmp(parameters[0],"P"))
1316         {
1317                 int idx = 0;
1318                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1319                 {
1320                         if (strchr(i->second->modes,'o'))
1321                         {
1322                                 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));
1323                                 idx++;
1324                         }
1325                 }
1326                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1327         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1328         }
1329
1330         if (!strcmp(parameters[0],"k"))
1331         {
1332                 stats_k(user);
1333         }
1334
1335         if (!strcmp(parameters[0],"g"))
1336         {
1337                 stats_g(user);
1338         }
1339
1340         if (!strcmp(parameters[0],"q"))
1341         {
1342                 stats_q(user);
1343         }
1344
1345         if (!strcmp(parameters[0],"Z"))
1346         {
1347                 stats_z(user);
1348         }
1349
1350         if (!strcmp(parameters[0],"e"))
1351         {
1352                 stats_e(user);
1353         }
1354
1355         /* stats m (list number of times each command has been used, plus bytecount) */
1356         if (!strcmp(parameters[0],"m"))
1357         {
1358                 for (int i = 0; i < cmdlist.size(); i++)
1359                 {
1360                         if (cmdlist[i].handler_function)
1361                         {
1362                                 if (cmdlist[i].use_count)
1363                                 {
1364                                         /* RPL_STATSCOMMANDS */
1365                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1366                                 }
1367                         }
1368                 }
1369
1370         }
1371
1372         /* stats z (debug and memory info) */
1373         if (!strcmp(parameters[0],"z"))
1374         {
1375                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1376                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1377                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1378                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1379                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1380                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1381                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1382                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1383         }
1384
1385         /* stats o */
1386         if (!strcmp(parameters[0],"o"))
1387         {
1388                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1389                 {
1390                         char LoginName[MAXBUF];
1391                         char HostName[MAXBUF];
1392                         char OperType[MAXBUF];
1393                         ConfValue("oper","name",i,LoginName,&config_f);
1394                         ConfValue("oper","host",i,HostName,&config_f);
1395                         ConfValue("oper","type",i,OperType,&config_f);
1396                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1397                 }
1398         }
1399
1400         /* stats l (show user I/O stats) */
1401         if (!strcmp(parameters[0],"l"))
1402         {
1403                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1404                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1405                 {
1406                         if (isnick(i->second->nick))
1407                         {
1408                                 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);
1409                         }
1410                         else
1411                         {
1412                                 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);
1413                         }
1414
1415                 }
1416         }
1417
1418         /* stats u (show server uptime) */
1419         if (!strcmp(parameters[0],"u"))
1420         {
1421                 time_t current_time = 0;
1422                 current_time = TIME;
1423                 time_t server_uptime = current_time - startup_time;
1424                 struct tm* stime;
1425                 stime = gmtime(&server_uptime);
1426                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1427                  * Craig suggested this, and it seemed a good idea so in it went */
1428                 if (stime->tm_year > 70)
1429                 {
1430                         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);
1431                 }
1432                 else
1433                 {
1434                         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);
1435                 }
1436         }
1437
1438         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1439         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1440
1441 }
1442
1443 void handle_connect(char **parameters, int pcnt, userrec *user)
1444 {
1445         char Link_ServerName[1024];
1446         char Link_IPAddr[1024];
1447         char Link_Port[1024];
1448         char Link_Pass[1024];
1449         int LinkPort;
1450         bool found = false;
1451
1452         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1453         {
1454                 if (!found)
1455                 {
1456                         ConfValue("link","name",i,Link_ServerName,&config_f);
1457                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1458                         ConfValue("link","port",i,Link_Port,&config_f);
1459                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1460                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1461                         LinkPort = atoi(Link_Port);
1462                         if (match(Link_ServerName,parameters[0])) {
1463                                 found = true;
1464                                 break;
1465                         }
1466                 }
1467         }
1468
1469         if (!found) {
1470                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1471                 return;
1472         }
1473
1474         // TODO: Perform a check here to stop a server being linked twice!
1475
1476         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1477
1478         if (me[defaultRoute])
1479         {
1480                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1481                 return;
1482         }
1483         else
1484         {
1485                 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);
1486         }
1487 }
1488
1489 void handle_squit(char **parameters, int pcnt, userrec *user)
1490 {
1491         // send out an squit across the mesh and then clear the server list (for local squit)
1492         if (!pcnt)
1493         {
1494                 WriteOpers("SQUIT command issued by %s",user->nick);
1495                 char buffer[MAXBUF];
1496                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1497                 NetSendToAll(buffer);
1498                 DoSplitEveryone();
1499         }
1500         else
1501         {
1502                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1503         }
1504 }
1505
1506 void handle_links(char **parameters, int pcnt, userrec *user)
1507 {
1508         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1509         for (int j = 0; j < 32; j++)
1510         {
1511                 if (me[j] != NULL)
1512                 {
1513                         for (int k = 0; k < me[j]->connectors.size(); k++)
1514                         {
1515                                 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());
1516                         }
1517                 }
1518         }
1519         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1520 }
1521
1522 void handle_map(char **parameters, int pcnt, userrec *user)
1523 {
1524         char line[MAXBUF];
1525         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1526         while (strlen(line) < 50)
1527                 strcat(line," ");
1528         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1529         for (int j = 0; j < 32; j++)
1530         {
1531                 if (me[j] != NULL)
1532                 {
1533                         for (int k = 0; k < me[j]->connectors.size(); k++)
1534                         {
1535                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1536                                 while (strlen(line) < 50)
1537                                         strcat(line," ");
1538                                 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));
1539                         }
1540                 }
1541         }
1542         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1543 }
1544
1545 bool is_uline(const char* server)
1546 {
1547         char ServName[MAXBUF];
1548         int i,j;
1549
1550         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1551         {
1552                 ConfValue("uline","server",i,ServName,&config_f);
1553                 if (!strcasecmp(server,ServName))
1554                 {
1555                         return true;
1556                 }
1557         }
1558         return false;
1559 }
1560
1561
1562 void handle_oper(char **parameters, int pcnt, userrec *user)
1563 {
1564         char LoginName[MAXBUF];
1565         char Password[MAXBUF];
1566         char OperType[MAXBUF];
1567         char TypeName[MAXBUF];
1568         char HostName[MAXBUF];
1569         char TheHost[MAXBUF];
1570         int i,j;
1571         bool found = false;
1572         bool fail2 = false;
1573         char global[MAXBUF];
1574
1575         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1576
1577         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1578         {
1579                 ConfValue("oper","name",i,LoginName,&config_f);
1580                 ConfValue("oper","password",i,Password,&config_f);
1581                 ConfValue("oper","type",i,OperType,&config_f);
1582                 ConfValue("oper","host",i,HostName,&config_f);
1583                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1584                 {
1585                         fail2 = true;
1586                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1587                         {
1588                                 ConfValue("type","name",j,TypeName,&config_f);
1589
1590                                 if (!strcmp(TypeName,OperType))
1591                                 {
1592                                         /* found this oper's opertype */
1593                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1594                                         NetSendToAll(global);
1595                                         ConfValue("type","host",j,HostName,&config_f);
1596                                         ChangeDisplayedHost(user,HostName);
1597                                         strlcpy(user->oper,TypeName,NICKMAX);
1598                                         found = true;
1599                                         fail2 = false;
1600                                         break;
1601                                 }
1602                         }
1603                 }
1604                 if (found)
1605                         break;
1606         }
1607         if (found)
1608         {
1609                 /* correct oper credentials */
1610                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1611                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1612                 if (!strchr(user->modes,'o'))
1613                 {
1614                         strcat(user->modes,"o");
1615                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1616                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1617                         NetSendToAll(global);
1618                         FOREACH_MOD OnOper(user);
1619                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1620                 }
1621         }
1622         else
1623         {
1624                 if (!fail2)
1625                 {
1626                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1627                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1628                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1629                 }
1630                 else
1631                 {
1632                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1633                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1634                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1635                 }
1636         }
1637         return;
1638 }
1639
1640 void handle_nick(char **parameters, int pcnt, userrec *user)
1641 {
1642         if (pcnt < 1)
1643         {
1644                 log(DEBUG,"not enough params for handle_nick");
1645                 return;
1646         }
1647         if (!parameters[0])
1648         {
1649                 log(DEBUG,"invalid parameter passed to handle_nick");
1650                 return;
1651         }
1652         if (!strlen(parameters[0]))
1653         {
1654                 log(DEBUG,"zero length new nick passed to handle_nick");
1655                 return;
1656         }
1657         if (!user)
1658         {
1659                 log(DEBUG,"invalid user passed to handle_nick");
1660                 return;
1661         }
1662         if (!user->nick)
1663         {
1664                 log(DEBUG,"invalid old nick passed to handle_nick");
1665                 return;
1666         }
1667         if (!strcasecmp(user->nick,parameters[0]))
1668         {
1669                 log(DEBUG,"old nick is new nick, skipping");
1670                 return;
1671         }
1672         else
1673         {
1674                 if (strlen(parameters[0]) > 1)
1675                 {
1676                         if (parameters[0][0] == ':')
1677                         {
1678                                 *parameters[0]++;
1679                         }
1680                 }
1681                 if (matches_qline(parameters[0]))
1682                 {
1683                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1684                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1685                         return;
1686                 }
1687                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1688                 {
1689                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1690                         return;
1691                 }
1692         }
1693         if (isnick(parameters[0]) == 0)
1694         {
1695                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1696                 return;
1697         }
1698
1699         if (user->registered == 7)
1700         {
1701                 int MOD_RESULT = 0;
1702                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1703                 if (MOD_RESULT) {
1704                         // if a module returns true, the nick change is silently forbidden.
1705                         return;
1706                 }
1707
1708                 WriteCommon(user,"NICK %s",parameters[0]);
1709
1710                 // Q token must go to ALL servers!!!
1711                 char buffer[MAXBUF];
1712                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1713                 NetSendToAll(buffer);
1714         }
1715
1716         char oldnick[NICKMAX];
1717         strlcpy(oldnick,user->nick,NICKMAX);
1718
1719         /* change the nick of the user in the users_hash */
1720         user = ReHashNick(user->nick, parameters[0]);
1721         /* actually change the nick within the record */
1722         if (!user) return;
1723         if (!user->nick) return;
1724
1725         strlcpy(user->nick, parameters[0],NICKMAX);
1726
1727         log(DEBUG,"new nick set: %s",user->nick);
1728
1729         if (user->registered < 3)
1730         {
1731                 user->registered = (user->registered | 2);
1732                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1733                 // and unless we're lucky we'll get a duff one later on.
1734                 user->dns_done = (!lookup_dns(user->nick));
1735                 if (user->dns_done)
1736                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1737         }
1738         if (user->registered == 3)
1739         {
1740                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1741                 ConnectUser(user);
1742         }
1743         if (user->registered == 7)
1744         {
1745                 FOREACH_MOD OnUserPostNick(user,oldnick);
1746         }
1747 }
1748
1749
1750
1751 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1752 {
1753         char* src = strtok(params," ");
1754         char* dest = strtok(NULL," :");
1755         char* text = strtok(NULL,"\r\n");
1756         text++;
1757
1758         userrec* user = Find(src);
1759         if (user)
1760         {
1761                 userrec* dst = Find(dest);
1762
1763                 if (dst)
1764                 {
1765                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1766                 }
1767                 else
1768                 {
1769                         chanrec* d = FindChan(dest);
1770                         if (d)
1771                         {
1772                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1773                         }
1774                 }
1775         }
1776
1777 }
1778
1779
1780 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1781 {
1782         char* src = strtok(params," ");
1783         char* dest = strtok(NULL," :");
1784         char* text = strtok(NULL,"\r\n");
1785         text++;
1786
1787         userrec* user = Find(src);
1788         if (user)
1789         {
1790                 userrec* dst = Find(dest);
1791
1792                 if (dst)
1793                 {
1794                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1795                 }
1796                 else
1797                 {
1798                         chanrec* d = FindChan(dest);
1799                         if (d)
1800                         {
1801                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1802                         }
1803                 }
1804         }
1805
1806 }
1807
1808 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1809 {
1810         char* nick = strtok(params," ");
1811         char* from = strtok(NULL," ");
1812         char* channel = strtok(NULL," ");
1813         userrec* u = Find(nick);
1814         userrec* user = Find(from);
1815         chanrec* c = FindChan(channel);
1816         if ((c) && (u) && (user))
1817         {
1818                 u->InviteTo(c->name);
1819                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1820         }
1821 }
1822
1823 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1824 {
1825         char* setby = strtok(params," ");
1826         char* channel = strtok(NULL," :");
1827         char* topic = strtok(NULL,"\r\n");
1828         topic++;
1829         userrec* u = Find(setby);
1830         chanrec* c = FindChan(channel);
1831         if ((c) && (u))
1832         {
1833                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1834                 strlcpy(c->topic,topic,MAXTOPIC);
1835                 strlcpy(c->setby,u->nick,NICKMAX);
1836                 c->topicset = TIME;
1837         }
1838 }
1839
1840
1841 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1842 {
1843         char* tm = strtok(params," ");
1844         char* setby = strtok(NULL," ");
1845         char* channel = strtok(NULL," :");
1846         char* topic = strtok(NULL,"\r\n");
1847         topic++;
1848         time_t TS = atoi(tm);
1849         chanrec* c = FindChan(channel);
1850         if (c)
1851         {
1852                 // in the case of topics and TS, the *NEWER*
1853                 if (TS <= c->topicset)
1854                 {
1855                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1856                         strlcpy(c->topic,topic,MAXTOPIC);
1857                         strlcpy(c->setby,setby,NICKMAX);
1858                 }
1859         }
1860 }
1861
1862 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1863 {
1864         char* pars[128];
1865         char original[MAXBUF],target[MAXBUF];
1866         strlcpy(original,params,MAXBUF);
1867         int index = 0;
1868         char* parameter = strtok(params," ");
1869         strlcpy(target,parameter,MAXBUF);
1870         while (parameter)
1871         {
1872                 if (parameter[0] == ':')
1873                         parameter++;
1874                 pars[index++] = parameter;
1875                 parameter = strtok(NULL," ");
1876         }
1877         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1878         merge_mode(pars,index);
1879         if (FindChan(target))
1880         {
1881                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1882         }
1883         if (Find(target))
1884         {
1885                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1886         }
1887 }
1888
1889 // m is modes set by users only (not servers) valid targets are channels or users.
1890
1891 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1892 {
1893         // m blah #chatspike +b *!test@*4
1894         char* pars[128];
1895         char original[MAXBUF];
1896         strlcpy(original,params,MAXBUF);
1897
1898         if (!strchr(params,' '))
1899         {
1900                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1901                 return;
1902         }
1903
1904         int index = 0;
1905
1906         char* src = strtok(params," ");
1907         userrec* user = Find(src);
1908
1909         if (user)
1910         {
1911                 log(DEBUG,"Found user: %s",user->nick);
1912                 char* parameter = strtok(NULL," ");
1913                 while (parameter)
1914                 {
1915                         pars[index++] = parameter;
1916                         parameter = strtok(NULL," ");
1917                 }
1918
1919                 log(DEBUG,"Calling merge_mode2");
1920                 merge_mode2(pars,index,user);
1921         }
1922 }
1923
1924
1925 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1926 {
1927         char* nick = strtok(params," ");
1928         char* channel = strtok(NULL," :");
1929         char* reason = strtok(NULL,"\r\n");
1930         userrec* user = Find(nick);
1931         reason++;
1932         if (user)
1933         {
1934                 if (strcmp(reason,""))
1935                 {
1936                         del_channel(user,channel,reason,true);
1937                 }
1938                 else
1939                 {
1940                         del_channel(user,channel,NULL,true);
1941                 }
1942         }
1943 }
1944
1945 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1946 {
1947         char* src = strtok(params," ");
1948         char* nick = strtok(NULL," :");
1949         char* reason = strtok(NULL,"\r\n");
1950         char kreason[MAXBUF];
1951         reason++;
1952
1953         userrec* u = Find(nick);
1954         userrec* user = Find(src);
1955
1956         if ((user) && (u))
1957         {
1958                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
1959                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
1960                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
1961                 kill_link(u,kreason);
1962         }
1963 }
1964
1965 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1966 {
1967         char* nick = strtok(params," :");
1968         char* reason = strtok(NULL,"\r\n");
1969         reason++;
1970
1971         userrec* user = Find(nick);
1972
1973         if (user)
1974         {
1975                 if (strlen(reason)>MAXQUIT)
1976                 {
1977                         reason[MAXQUIT-1] = '\0';
1978                 }
1979
1980
1981                 WriteCommonExcept(user,"QUIT :%s",reason);
1982
1983                 user_hash::iterator iter = clientlist.find(user->nick);
1984
1985                 if (iter != clientlist.end())
1986                 {
1987                         log(DEBUG,"deleting user hash value %d",iter->second);
1988                         if ((iter->second) && (user->registered == 7)) {
1989                                 delete iter->second;
1990                         }
1991                         clientlist.erase(iter);
1992                 }
1993
1994                 purge_empty_chans();
1995         }
1996 }
1997
1998 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1999 {
2000         char* oldnick = strtok(params," ");
2001         char* newnick = strtok(NULL," ");
2002
2003         userrec* user = Find(oldnick);
2004
2005         if (user)
2006         {
2007                 WriteCommon(user,"NICK %s",newnick);
2008                 if (is_uline(tcp_host))
2009                 {
2010                         int MOD_RESULT = 0;
2011                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2012                         if (MOD_RESULT) {
2013                                 // if a module returns true, the nick change couldnt be allowed
2014                                 kill_link(user,"Nickname collision");
2015                                 return;
2016                         }
2017                         if (matches_qline(newnick))
2018                         {
2019                                 kill_link(user,"Nickname collision");
2020                                 return;
2021                         }
2022
2023                         // broadcast this because its a services thingy
2024                         char buffer[MAXBUF];
2025                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2026                         NetSendToAll(buffer);
2027                 }
2028                 user = ReHashNick(user->nick, newnick);
2029                 if (!user) return;
2030                 if (!user->nick) return;
2031                 strlcpy(user->nick, newnick,NICKMAX);
2032                 log(DEBUG,"new nick set: %s",user->nick);
2033         }
2034 }
2035
2036 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2037 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2038 {
2039         char* src = strtok(params," ");
2040         char* dest = strtok(NULL," ");
2041         char* channel = strtok(NULL," :");
2042         char* reason = strtok(NULL,"\r\n");
2043         reason++;
2044         userrec* s = Find(src);
2045         userrec* d = Find(dest);
2046         chanrec* c = FindChan(channel);
2047         if ((s) && (d) && (c))
2048         {
2049                 kick_channel(s,d,c,reason);
2050                 return;
2051         }
2052         d = Find(channel);
2053         c = FindChan(dest);
2054         if ((s) && (d) && (c))
2055         {
2056                 kick_channel(s,d,c,reason);
2057                 return;
2058         }
2059 }
2060
2061 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2062 {
2063         char* who = strtok(params," :");
2064         char* text = strtok(NULL,"\r\n");
2065         text++;
2066         userrec* s = Find(who);
2067         if (s)
2068         {
2069                 WriteWallOps(s,true,text);
2070         }
2071 }
2072
2073 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2074 {
2075         log(DEBUG,"Adding ULined server %s to my map",params);
2076         ircd_connector s;
2077         s.SetState(STATE_DISCONNECTED);
2078         s.SetServerName(params);
2079
2080         for (int j = 0; j < 32; j++)
2081         {
2082                 if (me[j] != NULL)
2083                 {
2084                         for (int k = 0; k < me[j]->connectors.size(); k++)
2085                         {
2086                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2087                                 {
2088                                         // dont allow a server to be added twice
2089                                         log(DEBUG,"ULined server %s already in the map!",params);
2090                                         return;
2091                                 }
2092                         }
2093                 }
2094         }
2095
2096         source->connectors.push_back(s);
2097         WriteOpers("Non-Mesh server %s has joined the network",params);
2098 }
2099
2100 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2101 {
2102         char* tm = strtok(params," ");
2103         char* nick = strtok(NULL," ");
2104         char* host = strtok(NULL," ");
2105         char* dhost = strtok(NULL," ");
2106         char* ident = strtok(NULL," ");
2107         char* modes = strtok(NULL," ");
2108         char* ipaddr = strtok(NULL," ");
2109         char* server = strtok(NULL," :");
2110         char* gecos = strtok(NULL,"\r\n");
2111         gecos++;
2112         modes++;
2113         time_t TS = atoi(tm);
2114         user_hash::iterator iter = clientlist.find(nick);
2115         if (iter != clientlist.end())
2116         {
2117                 // nick collision
2118                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2119                 char str[MAXBUF];
2120                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2121                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2122                 kill_link(iter->second,str);
2123         }
2124         clientlist[nick] = new userrec();
2125         // remote users have an fd of -1. This is so that our Write abstraction
2126         // routines know to route any messages to this record away to whatever server
2127         // theyre on.
2128         clientlist[nick]->fd = -1;
2129         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2130         strlcpy(clientlist[nick]->host, host,160);
2131         strlcpy(clientlist[nick]->dhost, dhost,160);
2132         strlcpy(clientlist[nick]->server, server,256);
2133         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2134         strlcpy(clientlist[nick]->fullname, gecos,128);
2135         clientlist[nick]->signon = TS;
2136         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2137         clientlist[nick]->lastping = 1;
2138         clientlist[nick]->port = 0; // so is this...
2139         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2140         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2141         for (int i = 0; i < MAXCHANS; i++)
2142         {
2143                 clientlist[nick]->chans[i].channel = NULL;
2144                 clientlist[nick]->chans[i].uc_modes = 0;
2145         }
2146 }
2147
2148 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2149 {
2150         long tdiff = TIME - atoi(params);
2151         if (tdiff)
2152                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2153 }
2154
2155 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2156 {
2157         char* nick = strtok(params," :");
2158         char* gecos = strtok(NULL,"\r\n");
2159
2160         userrec* user = Find(nick);
2161
2162         if (user)
2163                 strlcpy(user->fullname,gecos,MAXBUF);
2164 }
2165
2166 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2167 {
2168         char* nick = strtok(params," ");
2169         char* host = strtok(NULL," ");
2170
2171         userrec* user = Find(nick);
2172
2173         if (user)
2174                 strlcpy(user->dhost,host,160);
2175 }
2176
2177 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2178 {
2179         // %s %s %d %d
2180         // + test3.chatspike.net 7010 -2016508415
2181         char* servername = strtok(params," ");
2182         char* ipaddr = strtok(NULL," ");
2183         char* ipport = strtok(NULL," ");
2184         char* cookie = strtok(NULL," ");
2185         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2186
2187
2188         bool conn_already = false;
2189         for (int i = 0; i < 32; i++)
2190         {
2191                 if (me[i] != NULL)
2192                 {
2193                         for (int j = 0; j < me[i]->connectors.size(); j++)
2194                         {
2195                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2196                                 {
2197                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2198                                         {
2199                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2200                                                 conn_already = true;
2201                                         }
2202                                 }
2203                         }
2204                 }
2205         }
2206         if (!conn_already)
2207                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2208 }
2209
2210 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2211 {
2212         char* server = strtok(params," ");
2213         char* data = strtok(NULL,"\r\n");
2214         if ((!data) || (!server))
2215         {
2216                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2217                 return;
2218         }
2219
2220         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2221         NetSendToOne(server,data);
2222 }
2223
2224 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2225 {
2226         // IMPORTANT NOTE
2227         // The J token currently has no timestamp - this needs looking at
2228         // because it will allow splitriding.
2229         char* nick = strtok(params," ");
2230         char* channel = strtok(NULL," ");
2231         userrec* user = Find(nick);
2232         while (channel)
2233         {
2234                 if ((user != NULL) && (strcmp(channel,"")))
2235                 {
2236                         char privilage = '\0';
2237                         if (channel[0] != '#')
2238                         {
2239                                 privilage = channel[0];
2240                                 channel++;
2241                         }
2242                         add_channel(user,channel,"",true);
2243
2244                         // now work out the privilages they should have on each channel
2245                         // and send the appropriate servermodes.
2246                         for (int i = 0; i != MAXCHANS; i++)
2247                         {
2248                                 if (user->chans[i].channel)
2249                                 {
2250                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2251                                         {
2252                                                 if (privilage == '@')
2253                                                 {
2254                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2255                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2256                                                 }
2257                                                 if (privilage == '%')
2258                                                 {
2259                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2260                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2261                                                 }
2262                                                 if (privilage == '+')
2263                                                 {
2264                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2265                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2266                                                 }
2267                                         }
2268                                 }
2269                         }
2270
2271                 }
2272                 channel = strtok(NULL," ");
2273         }
2274 }
2275
2276 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2277 {
2278         log(DEBUG,"Storing routing table...");
2279         char* sourceserver = strtok(params," ");
2280         char* server = strtok(NULL," ");
2281         for (int i = 0; i < 32; i++)
2282         {
2283                 if (me[i] != NULL)
2284                 {
2285                         for (int j = 0; j < me[i]->connectors.size(); j++)
2286                         {
2287                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2288                                 {
2289                                         me[i]->connectors[j].routes.clear();
2290                                         log(DEBUG,"Found entry for source server.");
2291                                         while (server)
2292                                         {
2293                                                 // store each route
2294                                                 me[i]->connectors[j].routes.push_back(server);
2295                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2296                                                 server = strtok(NULL," ");
2297                                         }
2298                                         return;
2299                                 }
2300                         }
2301                 }
2302         }
2303         log(DEBUG,"Warning! routing table received from nonexistent server!");
2304 }
2305
2306 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2307 {
2308         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2309         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2310         bool go_again = true;
2311         while (go_again)
2312         {
2313                 go_again = false;
2314                 for (int i = 0; i < 32; i++)
2315                 {
2316                         if (me[i] != NULL)
2317                         {
2318                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2319                                 {
2320                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2321                                         {
2322                                                 j->routes.clear();
2323                                                 j->CloseConnection();
2324                                                 me[i]->connectors.erase(j);
2325                                                 go_again = true;
2326                                                 break;
2327                                         }
2328                                 }
2329                         }
2330                 }
2331         }
2332         log(DEBUG,"Removed server. Will remove clients...");
2333         // iterate through the userlist and remove all users on this server.
2334         // because we're dealing with a mesh, we dont have to deal with anything
2335         // "down-route" from this server (nice huh)
2336         go_again = true;
2337         char reason[MAXBUF];
2338         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2339         while (go_again)
2340         {
2341                 go_again = false;
2342                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2343                 {
2344                         if (!strcasecmp(u->second->server,params))
2345                         {
2346                                 kill_link(u->second,reason);
2347                                 go_again = true;
2348                                 break;
2349                         }
2350                 }
2351         }
2352 }
2353
2354 long authcookie;
2355
2356 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2357 {
2358         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2359         log(DEBUG,"Adding G-line");
2360         char* mask = strtok(params," ");
2361         char* who = strtok(NULL," ");
2362         char* create_time = strtok(NULL," ");
2363         char* duration = strtok(NULL," :");
2364         char* reason = strtok(NULL,"\r\n");
2365         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2366         // we must update the creation time on this gline
2367         // now that we've added it, or it wont expire at the right time.
2368         gline_set_creation_time(mask,atoi(create_time));
2369         if (!atoi(duration))
2370         {
2371                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2372         }
2373         else
2374         {
2375                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2376         }
2377         apply_lines();
2378 }
2379
2380 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2381 {
2382         log(DEBUG,"Removing G-line");
2383         char* mask = strtok(params," ");
2384         char* who = strtok(NULL," ");
2385         if (mask)
2386         {
2387                 if (del_gline((const char*)mask))
2388                 {
2389                         if (who)
2390                         {
2391                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2392                         }
2393                 }
2394         }
2395 }
2396
2397 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2398 {
2399         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2400         log(DEBUG,"Adding Q-line");
2401         char* mask = strtok(params," ");
2402         char* who = strtok(NULL," ");
2403         char* create_time = strtok(NULL," ");
2404         char* duration = strtok(NULL," :");
2405         char* reason = strtok(NULL,"\r\n");
2406         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2407         // we must update the creation time on this gline
2408         // now that we've added it, or it wont expire at the right time.
2409         qline_set_creation_time(mask,atoi(create_time));
2410         qline_make_global(mask);
2411         if (!atoi(duration))
2412         {
2413                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2414         }
2415         else
2416         {
2417                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2418         }
2419         apply_lines();
2420 }
2421
2422 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2423 {
2424         log(DEBUG,"Removing Q-line");
2425         char* mask = strtok(params," ");
2426         char* who = strtok(NULL," ");
2427         if (mask)
2428         {
2429                 if (del_qline((const char*)mask))
2430                 {
2431                         if (who)
2432                         {
2433                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2434                         }
2435                 }
2436         }
2437 }
2438
2439 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2440 {
2441         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2442         log(DEBUG,"Adding Z-line");
2443         char* mask = strtok(params," ");
2444         char* who = strtok(NULL," ");
2445         char* create_time = strtok(NULL," ");
2446         char* duration = strtok(NULL," :");
2447         char* reason = strtok(NULL,"\r\n");
2448         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2449         // we must update the creation time on this gline
2450         // now that we've added it, or it wont expire at the right time.
2451         zline_set_creation_time(mask,atoi(create_time));
2452         zline_make_global(mask);
2453         if (!atoi(duration))
2454         {
2455                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2456         }
2457         else
2458         {
2459                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2460         }
2461         apply_lines();
2462 }
2463
2464 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2465 {
2466         log(DEBUG,"Removing Z-line");
2467         char* mask = strtok(params," ");
2468         char* who = strtok(NULL," ");
2469         if (mask)
2470         {
2471                 if (del_zline((const char*)mask))
2472                 {
2473                         if (who)
2474                         {
2475                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2476                         }
2477                 }
2478         }
2479 }
2480
2481 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2482 {
2483         char* nick = strtok(params," ");
2484         char* type = strtok(params," ");
2485         userrec* u = Find(nick);
2486         if (u)
2487         {
2488                 strlcpy(u->oper,type,NICKMAX);
2489         }
2490 }
2491
2492
2493 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2494 {
2495         char buffer[MAXBUF];
2496
2497         switch(token)
2498         {
2499                 // Y <TS>
2500                 // start netburst
2501                 case 'Y':
2502                         nb_start = TIME;
2503                         WriteOpers("Server %s is starting netburst.",tcp_host);
2504                         // now broadcast this new servers address out to all servers that are linked to us,
2505                         // except the newcomer. They'll all attempt to connect back to it.
2506                         authcookie = rand()*rand();
2507                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2508                         NetSendToAll(buffer);
2509                 break;
2510                 // ~
2511                 // Store authcookie
2512                 // once stored, this authcookie permits other servers to log in
2513                 // without user or password, using it.
2514                 case '~':
2515                         auth_cookies.push_back(atoi(params));
2516                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2517                 break;
2518                 // connect back to a server using an authcookie
2519                 case '+':
2520                         handle_plus(token,params,source,reply,tcp_host);
2521                 break;
2522                 // routing table
2523                 case '$':
2524                         handle_dollar(token,params,source,reply,tcp_host);
2525                 break;
2526                 // node unreachable - we cant route to a server, sooooo we slit it off.
2527                 // servers can generate these for themselves for an squit.
2528                 case '&':
2529                         handle_amp(token,params,source,reply,tcp_host);
2530                 break;
2531                 // R <server> <data>
2532                 // redirect token, send all of <data> along to the given
2533                 // server as this server has been found to still have a route to it
2534                 case 'R':
2535                         handle_R(token,params,source,reply,tcp_host);
2536                 break;
2537                 // ?
2538                 // ping
2539                 case '?':
2540                         reply->SendPacket("!",tcp_host);
2541                 break;
2542                 // ?
2543                 // pong
2544                 case '!':
2545                 break;
2546                 // *
2547                 // no operation
2548                 case '*':
2549                 break;
2550                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2551                 // introduce remote client
2552                 case 'N':
2553                         handle_N(token,params,source,reply,tcp_host);
2554                 break;
2555                 // a <NICK> :<GECOS>
2556                 // change GECOS (SETNAME)
2557                 case 'a':
2558                         handle_a(token,params,source,reply,tcp_host);
2559                 break;
2560                 // b <NICK> :<HOST>
2561                 // change displayed host (SETHOST)
2562                 case 'b':
2563                         handle_b(token,params,source,reply,tcp_host);
2564                 break;
2565                 // t <NICK> <CHANNEL> :<TOPIC>
2566                 // change a channel topic
2567                 case 't':
2568                         handle_t(token,params,source,reply,tcp_host);
2569                 break;
2570                 // i <NICK> <CHANNEL>
2571                 // invite a user to a channel
2572                 case 'i':
2573                         handle_i(token,params,source,reply,tcp_host);
2574                 break;
2575                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2576                 // kick a user from a channel
2577                 case 'k':
2578                         handle_k(token,params,source,reply,tcp_host);
2579                 break;
2580                 // n <NICK> <NEWNICK>
2581                 // change nickname of client -- a server should only be able to
2582                 // change the nicknames of clients that reside on it unless
2583                 // they are ulined.
2584                 case 'n':
2585                         handle_n(token,params,source,reply,tcp_host);
2586                 break;
2587                 // J <NICK> <CHANLIST>
2588                 // Join user to channel list, merge channel permissions
2589                 case 'J':
2590                         handle_J(token,params,source,reply,tcp_host);
2591                 break;
2592                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2593                 // change channel topic (netburst only)
2594                 case 'T':
2595                         handle_T(token,params,source,reply,tcp_host);
2596                 break;
2597                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2598                 // Server setting modes on an object
2599                 case 'M':
2600                         handle_M(token,params,source,reply,tcp_host);
2601                 break;
2602                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2603                 // User setting modes on an object
2604                 case 'm':
2605                         handle_m(token,params,source,reply,tcp_host);
2606                 break;
2607                 // P <SOURCE> <TARGET> :<TEXT>
2608                 // Send a private/channel message
2609                 case 'P':
2610                         handle_P(token,params,source,reply,tcp_host);
2611                 break;
2612                 // V <SOURCE> <TARGET> :<TEXT>
2613                 // Send a private/channel notice
2614                 case 'V':
2615                         handle_V(token,params,source,reply,tcp_host);
2616                 break;
2617                 // L <SOURCE> <CHANNEL> :<REASON>
2618                 // User parting a channel
2619                 case 'L':
2620                         handle_L(token,params,source,reply,tcp_host);
2621                 break;
2622                 // Q <SOURCE> :<REASON>
2623                 // user quitting
2624                 case 'Q':
2625                         handle_Q(token,params,source,reply,tcp_host);
2626                 break;
2627                 // H <SERVER>
2628                 // introduce non-meshable server (such as a services server)
2629                 case 'H':
2630                         handle_H(token,params,source,reply,tcp_host);
2631                 break;
2632                 // K <SOURCE> <DEST> :<REASON>
2633                 // remote kill
2634                 case 'K':
2635                         handle_K(token,params,source,reply,tcp_host);
2636                 break;
2637                 // @ <SOURCE> :<TEXT>
2638                 // wallops
2639                 case '@':
2640                         handle_AT(token,params,source,reply,tcp_host);
2641                 break;
2642                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2643                 // add gline
2644                 case '#':
2645                         handle_hash(token,params,source,reply,tcp_host);
2646                 break;
2647                 // . <mask> <who>
2648                 // remove gline
2649                 case '.':
2650                         handle_dot(token,params,source,reply,tcp_host);
2651                 break;
2652                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2653                 // add gline
2654                 case '{':
2655                         handle_add_sqline(token,params,source,reply,tcp_host);
2656                 break;
2657                 // . <mask> <who>
2658                 // remove gline
2659                 case '[':
2660                         handle_del_sqline(token,params,source,reply,tcp_host);
2661                 break;
2662                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2663                 // add gline
2664                 case '}':
2665                         handle_add_szline(token,params,source,reply,tcp_host);
2666                 break;
2667                 // . <mask> <who>
2668                 // remove gline
2669                 case ']':
2670                         handle_del_szline(token,params,source,reply,tcp_host);
2671                 break;
2672                 // | <nick> <opertype>
2673                 // set opertype
2674                 case '|':
2675                         handle_pipe(token,params,source,reply,tcp_host);
2676                 break;
2677                 // F <TS>
2678                 // end netburst
2679                 case 'F':
2680                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2681                         handle_F(token,params,source,reply,tcp_host);
2682                         nb_start = 0;
2683                         // tell all the other servers to use this authcookie to connect back again
2684                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2685                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2686                         NetSendToAllExcept(tcp_host,buffer);
2687                 break;
2688                 case '/':
2689                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2690                         strlcpy(source->nickserv,params,NICKMAX);
2691                 break;
2692                 // F <TS>
2693                 // end netburst with no mesh creation
2694                 case 'f':
2695                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2696                         handle_F(token,params,source,reply,tcp_host);
2697                         nb_start = 0;
2698                         // tell everyone else about the new server name so they just add it in the disconnected
2699                         // state
2700                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2701                         NetSendToAllExcept(tcp_host,buffer);
2702                 break;
2703                 // X <reserved>
2704                 // Send netburst now
2705                 case 'X':
2706                         WriteOpers("Sending my netburst to %s",tcp_host);
2707                         DoSync(source,tcp_host);
2708                         WriteOpers("Send of netburst to %s completed",tcp_host);
2709                         NetSendMyRoutingTable();
2710                 break;
2711                 // anything else
2712                 default:
2713                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2714                 break;
2715         }
2716 }
2717
2718
2719 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2720 {
2721         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2722         {
2723                 // a user on a server port, just close their connection.
2724                 RemoveServer(tcp_host);
2725                 return;
2726         }
2727
2728         char response[10240];
2729         char token = udp_msg[0];
2730         char* old = udp_msg;
2731
2732         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2733         {
2734                 char* src = udp_msg+1;
2735                 while (udp_msg[0] != ' ')
2736                         udp_msg++;
2737                 udp_msg[0] = 0;
2738                 udp_msg++;
2739                 char* comd = udp_msg;
2740                 while (udp_msg[0] != ' ')
2741                         udp_msg++;
2742                 udp_msg[0] = 0;
2743                 udp_msg++;
2744                 char data[MAXBUF];
2745                 char source[MAXBUF];
2746                 char command[MAXBUF];
2747                 strlcpy(data,udp_msg,512);
2748                 strlcpy(source,src,MAXBUF);
2749                 strlcpy(command,comd,MAXBUF);
2750                 udp_msg = old;
2751
2752                 // unused numeric:
2753                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2754                 if (!strcmp(command,"433"))
2755                 {
2756                         token = '*';
2757                 }
2758                 if (!strcmp(command,"432"))
2759                 {
2760                         token = '*';
2761                 }
2762                 if (!strcmp(command,"PING"))
2763                 {
2764                         token = '*';
2765                 }
2766                 if (!strcmp(command,"NOTICE"))
2767                 {
2768                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2769                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2770                         token = udp_msg[0];
2771                 }
2772                 if (!strcmp(command,"QUIT"))
2773                 {
2774                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2775                         {
2776                                 strcpy(data,":No reason");
2777                         }
2778                         if (!strcmp(data,":"))
2779                         {
2780                                 strcpy(data,":No reason");
2781                         }
2782                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2783                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2784                         token = udp_msg[0];
2785                 }
2786                 if (!strcmp(command,"SQUIT"))
2787                 {
2788                         snprintf(udp_msg,MAXBUF,"& %s",source);
2789                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2790                         token = udp_msg[0];
2791                 }
2792                 if (!strcmp(command,"SVSMODE"))
2793                 {
2794                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2795                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2796                         token = udp_msg[0];
2797                 }
2798                 if (!strcmp(command,"SVS2MODE"))
2799                 {
2800                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2801                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2802                         token = udp_msg[0];
2803                 }
2804                 // todo: this wont work without u:lines
2805                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2806                 if (!strcmp(command,"MODE"))
2807                 {
2808                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2809                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2810                         token = udp_msg[0];
2811                 }
2812                 if (!strcmp(command,"KICK"))
2813                 {
2814                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2815                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2816                         token = udp_msg[0];
2817                 }
2818                 if (!strcmp(command,"KILL"))
2819                 {
2820                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2821                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2822                         token = udp_msg[0];
2823                 }
2824                 if (!strcmp(command,"SVSJOIN"))
2825                 {
2826                         snprintf(udp_msg,MAXBUF,"J %s",data);
2827                         NetSendToOne(tcp_host,udp_msg);
2828                         char* nick = strtok(data," ");
2829                         char* chan = strtok(NULL," ");
2830                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2831                         userrec* u = Find(nick);
2832                         if (u)
2833                         {
2834                                 add_channel(u,chan,"",true);
2835                         }
2836                         token = udp_msg[0];
2837                 }
2838
2839         }
2840
2841
2842         char* params = udp_msg + 2;
2843         char finalparam[1024];
2844         strcpy(finalparam," :xxxx");
2845         if (strstr(udp_msg," :")) {
2846                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2847         }
2848
2849
2850         if (token == '-') {
2851                 char* cookie = strtok(params," ");
2852                 char* servername = strtok(NULL," ");
2853                 char* serverdesc = finalparam+2;
2854
2855                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2856
2857                 for (int u = 0; u < auth_cookies.size(); u++)
2858                 {
2859                         if (auth_cookies[u] == atoi(cookie))
2860                         {
2861                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2862
2863
2864                                 for (int j = 0; j < 32; j++)
2865                                 {
2866                                         if (me[j] != NULL)
2867                                         {
2868                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2869                                                 {
2870                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2871                                                         {
2872                                                                 me[j]->connectors[k].SetServerName(servername);
2873                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2874                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2875                                                                 NetSendMyRoutingTable();
2876                                                                 return;
2877                                                         }
2878                                                 }
2879                                         }
2880                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2881                                         return;
2882                                 }
2883
2884
2885                                 return;
2886                         }
2887                 }
2888                 // bad cookie, bad bad! go sit in the corner!
2889                 WriteOpers("Bad cookie from %s!",servername);
2890                 return;
2891         }
2892         else
2893         if (token == 'S') {
2894                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2895                 char* servername = strtok(params," ");
2896                 char* password = strtok(NULL," ");
2897                 char* myport = strtok(NULL," ");
2898                 char* revision = strtok(NULL," ");
2899                 char* serverdesc = finalparam+2;
2900
2901                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2902
2903                 ircd_connector* cn = serv->FindHost(servername);
2904
2905                 if (cn)
2906                 {
2907                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2908                         char buffer[MAXBUF];
2909                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2910                         serv->SendPacket(buffer,tcp_host);
2911                         RemoveServer(tcp_host);
2912                         return;
2913                 }
2914
2915                 if (atoi(revision) != GetRevision())
2916                 {
2917                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2918                         char buffer[MAXBUF];
2919                         sprintf(buffer,"E :Version number mismatch");
2920                         serv->SendPacket(buffer,tcp_host);
2921                         RemoveServer(tcp_host);
2922                         RemoveServer(servername);
2923                         return;
2924                 }
2925
2926                 for (int j = 0; j < serv->connectors.size(); j++)
2927                 {
2928                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2929                         {
2930                                 serv->connectors[j].SetServerName(servername);
2931                                 serv->connectors[j].SetDescription(serverdesc);
2932                                 serv->connectors[j].SetServerPort(atoi(myport));
2933                         }
2934                 }
2935
2936
2937                 char Link_ServerName[1024];
2938                 char Link_IPAddr[1024];
2939                 char Link_Port[1024];
2940                 char Link_Pass[1024];
2941                 char Link_SendPass[1024];
2942                 int LinkPort = 0;
2943
2944                 // search for a corresponding <link> block in the config files
2945                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2946                 {
2947                         ConfValue("link","name",i,Link_ServerName,&config_f);
2948                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2949                         ConfValue("link","port",i,Link_Port,&config_f);
2950                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2951                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2952                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2953                         LinkPort = atoi(Link_Port);
2954                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2955                         {
2956                                 // we have a matching link line -
2957                                 // send a 'diminutive' server message back...
2958                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
2959                                 serv->SendPacket(response,servername);
2960
2961                                 for (int t = 0; t < serv->connectors.size(); t++)
2962                                 {
2963                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
2964                                         {
2965                                                 serv->connectors[t].SetState(STATE_CONNECTED);
2966                                         }
2967                                 }
2968
2969                                 return;
2970                         }
2971                 }
2972                 char buffer[MAXBUF];
2973                 sprintf(buffer,"E :Access is denied (no matching link block)");
2974                 serv->SendPacket(buffer,tcp_host);
2975                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
2976                 RemoveServer(tcp_host);
2977                 RemoveServer(servername);
2978                 return;
2979         }
2980         else
2981         if (token == 's') {
2982                 // S test.chatspike.net password :ChatSpike InspIRCd test server
2983                 char* servername = strtok(params," ");
2984                 char* password = strtok(NULL," ");
2985                 char* serverdesc = finalparam+2;
2986
2987                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
2988                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
2989                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
2990                 // a connect, so put out an oper alert!
2991
2992                 // for now, just accept all, we'll fix that later.
2993                 WriteOpers("%s accepted our link credentials ",servername);
2994
2995                 char Link_ServerName[1024];
2996                 char Link_IPAddr[1024];
2997                 char Link_Port[1024];
2998                 char Link_Pass[1024];
2999                 char Link_SendPass[1024];
3000                 int LinkPort = 0;
3001
3002                 // search for a corresponding <link> block in the config files
3003                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3004                 {
3005                         ConfValue("link","name",i,Link_ServerName,&config_f);
3006                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3007                         ConfValue("link","port",i,Link_Port,&config_f);
3008                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3009                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3010                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3011                         LinkPort = atoi(Link_Port);
3012                         if (!strcasecmp(Link_ServerName,servername))
3013                         {
3014                                 // matching link at this end too, we're all done!
3015                                 // at this point we must begin key exchange and insert this
3016                                 // server into our 'active' table.
3017                                 for (int j = 0; j < 32; j++)
3018                                 {
3019                                         if (me[j] != NULL)
3020                                         {
3021                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3022                                                 {
3023                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3024                                                         {
3025                                                                 char buffer[MAXBUF];
3026                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3027                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3028                                                                 sprintf(buffer,"X 0");
3029                                                                 serv->SendPacket(buffer,tcp_host);
3030                                                                 DoSync(me[j],tcp_host);
3031                                                                 NetSendMyRoutingTable();
3032                                                                 return;
3033                                                         }
3034                                                 }
3035                                         }
3036                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3037                                         return;
3038                                 }
3039                         }
3040                         else {
3041                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3042                         }
3043                 }
3044                 char buffer[MAXBUF];
3045                 sprintf(buffer,"E :Access is denied (no matching link block)");
3046                 serv->SendPacket(buffer,tcp_host);
3047                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3048                 RemoveServer(tcp_host);
3049                 RemoveServer(servername);
3050                 return;
3051         }
3052         else
3053         if (token == 'U') {
3054                 // U services.chatspike.net password :ChatSpike Services
3055                 //
3056                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3057                 char* servername = strtok(params," ");
3058                 char* password = strtok(NULL," ");
3059                 char* serverdesc = finalparam+2;
3060
3061                 char Link_ServerName[1024];
3062                 char Link_IPAddr[1024];
3063                 char Link_Port[1024];
3064                 char Link_Pass[1024];
3065                 char Link_SendPass[1024];
3066                 int LinkPort = 0;
3067
3068                 log(DEBUG,"U-token linked server detected.");
3069
3070                 // search for a corresponding <link> block in the config files
3071                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3072                 {
3073                         ConfValue("link","name",i,Link_ServerName,&config_f);
3074                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3075                         ConfValue("link","port",i,Link_Port,&config_f);
3076                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3077                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3078                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3079                         LinkPort = atoi(Link_Port);
3080                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3081                         {
3082                                 // matching link at this end too, we're all done!
3083                                 // at this point we must begin key exchange and insert this
3084                                 // server into our 'active' table.
3085                                 for (int j = 0; j < 32; j++)
3086                                 {
3087                                         if (me[j] != NULL)
3088                                         {
3089                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3090                                                 {
3091                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3092                                                         {
3093                                                                 char buffer[MAXBUF];
3094                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3095                                                                 me[j]->connectors[k].SetServerName(servername);
3096                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3097                                                                 sprintf(buffer,"X 0");
3098                                                                 serv->SendPacket(buffer,servername);
3099                                                                 DoSync(me[j],servername);
3100                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3101                                                                 NetSendToAllExcept(servername,buffer);
3102                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3103                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3104                                                                 NetSendMyRoutingTable();
3105                                                                 return;
3106                                                         }
3107                                                 }
3108                                         }
3109                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3110                                         return;
3111                                 }
3112                         }
3113                         else {
3114                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3115                         }
3116                 }
3117                 char buffer[MAXBUF];
3118                 sprintf(buffer,"E :Access is denied (no matching link block)");
3119                 serv->SendPacket(buffer,tcp_host);
3120                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3121                 RemoveServer(tcp_host);
3122                 RemoveServer(servername);
3123                 return;
3124         }
3125         else
3126         if (token == 'E') {
3127                 char* error_message = finalparam+2;
3128                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3129                 return;
3130         }
3131         else {
3132
3133                 serverrec* source_server = NULL;
3134
3135                 for (int j = 0; j < 32; j++)
3136                 {
3137                         if (me[j] != NULL)
3138                         {
3139                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3140                                 {
3141                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3142                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3143                                         {
3144                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3145                                                 {
3146                                                         // found a valid ircd_connector.
3147                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3148                                                         return;
3149                                                 }
3150                                         }
3151                                 }
3152                         }
3153                 }
3154
3155                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3156         }
3157 }
3158
3159 long duration(const char* str)
3160 {
3161         char n_field[MAXBUF];
3162         long total = 0;
3163         const char* str_end = str + strlen(str);
3164         n_field[0] = 0;
3165
3166         for (char* i = (char*)str; i < str_end; i++)
3167         {
3168                 // if we have digits, build up a string for the value in n_field,
3169                 // up to 10 digits in size.
3170                 if ((*i >= '0') && (*i <= '9'))
3171                 {
3172                         strlcat(n_field,i,10);
3173                 }
3174                 else
3175                 {
3176                         // we dont have a digit, check for numeric tokens
3177                         switch (tolower(*i))
3178                         {
3179                                 case 's':
3180                                         total += atoi(n_field);
3181                                 break;
3182
3183                                 case 'm':
3184                                         total += (atoi(n_field)*duration_m);
3185                                 break;
3186
3187                                 case 'h':
3188                                         total += (atoi(n_field)*duration_h);
3189                                 break;
3190
3191                                 case 'd':
3192                                         total += (atoi(n_field)*duration_d);
3193                                 break;
3194
3195                                 case 'w':
3196                                         total += (atoi(n_field)*duration_w);
3197                                 break;
3198
3199                                 case 'y':
3200                                         total += (atoi(n_field)*duration_y);
3201                                 break;
3202                         }
3203                         n_field[0] = 0;
3204                 }
3205         }
3206         // add trailing seconds
3207         total += atoi(n_field);
3208
3209         return total;
3210 }
3211
3212
3213 void handle_kline(char **parameters, int pcnt, userrec *user)
3214 {
3215         if (pcnt >= 3)
3216         {
3217                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3218                 if (!duration(parameters[1]))
3219                 {
3220                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3221                 }
3222                 else
3223                 {
3224                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3225                 }
3226         }
3227         else
3228         {
3229                 if (del_kline(parameters[0]))
3230                 {
3231                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3232                 }
3233                 else
3234                 {
3235                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3236                 }
3237         }
3238         apply_lines();
3239 }
3240
3241 void handle_eline(char **parameters, int pcnt, userrec *user)
3242 {
3243         if (pcnt >= 3)
3244         {
3245                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3246                 if (!duration(parameters[1]))
3247                 {
3248                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3249                 }
3250                 else
3251                 {
3252                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3253                 }
3254         }
3255         else
3256         {
3257                 if (del_eline(parameters[0]))
3258                 {
3259                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3260                 }
3261                 else
3262                 {
3263                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3264                 }
3265         }
3266         // no need to apply the lines for an eline
3267 }
3268
3269 void handle_gline(char **parameters, int pcnt, userrec *user)
3270 {
3271         char netdata[MAXBUF];
3272         if (pcnt >= 3)
3273         {
3274                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3275                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3276                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3277                 NetSendToAll(netdata);
3278                 if (!duration(parameters[1]))
3279                 {
3280                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3281                 }
3282                 else
3283                 {
3284                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3285                 }
3286         }
3287         else
3288         {
3289                 if (del_gline(parameters[0]))
3290                 {
3291                         // . <mask> <who-removed-it>
3292                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3293                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3294                 }
3295                 else
3296                 {
3297                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3298                 }
3299         }
3300         apply_lines();
3301 }
3302
3303 void handle_zline(char **parameters, int pcnt, userrec *user)
3304 {
3305         if (pcnt >= 3)
3306         {
3307                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3308                 if (!duration(parameters[1]))
3309                 {
3310                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3311                 }
3312                 else
3313                 {
3314                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3315                 }
3316         }
3317         else
3318         {
3319                 if (del_zline(parameters[0]))
3320                 {
3321                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3322                 }
3323                 else
3324                 {
3325                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3326                 }
3327         }
3328         apply_lines();
3329 }
3330
3331 void handle_qline(char **parameters, int pcnt, userrec *user)
3332 {
3333         if (pcnt >= 3)
3334         {
3335                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3336                 if (!duration(parameters[1]))
3337                 {
3338                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3339                 }
3340                 else
3341                 {
3342                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3343                 }
3344         }
3345         else
3346         {
3347                 if (del_qline(parameters[0]))
3348                 {
3349                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3350                 }
3351                 else
3352                 {
3353                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3354                 }
3355         }
3356         apply_lines();
3357 }
3358
3359