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<std::string> module_names;
  97
  98 extern char MyExecutable[1024];
  99 extern int boundPortCount;
 100 extern int portCount;
 101 extern int UDPportCount;
 102 extern int ports[MAXSOCKS];
 103 extern int defaultRoute;
 104
 105 extern std::vector<long> auth_cookies;
 106 extern std::stringstream config_f;
 107
 108 extern serverrec* me[32];
 109
 110 extern FILE *log_file;
 111
 112 extern ClassVector Classes;
 113
 114 const long duration_m = 60;
 115 const long duration_h = duration_m * 60;
 116 const long duration_d = duration_h * 24;
 117 const long duration_w = duration_d * 7;
 118 const long duration_y = duration_w * 52;
 119
 120 namespace nspace
 121 {
 122 #ifdef GCC34
 123         template<> struct hash<in_addr>
 124 #else
 125         template<> struct nspace::hash<in_addr>
 126 #endif
 127         {
 128                 size_t operator()(const struct in_addr &a) const
 129                 {
 130                         size_t q;
 131                         memcpy(&q,&a,sizeof(size_t));
 132                         return q;
 133                 }
 134         };
 135 #ifdef GCC34
 136         template<> struct hash<string>
 137 #else
 138         template<> struct nspace::hash<string>
 139 #endif
 140         {
 141                 size_t operator()(const string &s) const
 142                 {
 143                         char a[MAXBUF];
 144                         static struct hash<const char *> strhash;
 145                         strlcpy(a,s.c_str(),MAXBUF);
 146                         strlower(a);
 147                         return strhash(a);
 148                 }
 149         };
 150 }
 151
 152
 153 struct StrHashComp
 154 {
 155
 156         bool operator()(const string& s1, const string& s2) const
 157         {
 158                 char a[MAXBUF],b[MAXBUF];
 159                 strlcpy(a,s1.c_str(),MAXBUF);
 160                 strlcpy(b,s2.c_str(),MAXBUF);
 161                 strlower(a);
 162                 strlower(b);
 163                 return (strcasecmp(a,b) == 0);
 164         }
 165
 166 };
 167
 168 struct InAddr_HashComp
 169 {
 170
 171         bool operator()(const in_addr &s1, const in_addr &s2) const
 172         {
 173                 size_t q;
 174                 size_t p;
 175
 176                 memcpy(&q,&s1,sizeof(size_t));
 177                 memcpy(&p,&s2,sizeof(size_t));
 178
 179                 return (q == p);
 180         }
 181
 182 };
 183
 184
 185 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 186 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 187 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 188 typedef std::deque<command_t> command_table;
 189
 190
 191 extern user_hash clientlist;
 192 extern chan_hash chanlist;
 193 extern user_hash whowas;
 194 extern command_table cmdlist;
 195 extern file_cache MOTD;
 196 extern file_cache RULES;
 197 extern address_cache IP;
 198
 199
 200 void handle_join(char **parameters, int pcnt, userrec *user)
 201 {
 202         chanrec* Ptr;
 203         int i = 0;
 204
 205         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 206                 return;
 207         if (parameters[0][0] == '#')
 208         {
 209                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 210         }
 211 }
 212
 213
 214 void handle_part(char **parameters, int pcnt, userrec *user)
 215 {
 216         chanrec* Ptr;
 217
 218         if (pcnt > 1)
 219         {
 220                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 221                         return;
 222                 del_channel(user,parameters[0],parameters[1],false);
 223         }
 224         else
 225         {
 226                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 227                         return;
 228                 del_channel(user,parameters[0],NULL,false);
 229         }
 230 }
 231
 232 void handle_kick(char **parameters, int pcnt, userrec *user)
 233 {
 234         chanrec* Ptr = FindChan(parameters[0]);
 235         userrec* u   = Find(parameters[1]);
 236
 237         if ((!u) || (!Ptr))
 238         {
 239                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 240                 return;
 241         }
 242
 243         if (!has_channel(user,Ptr))
 244         {
 245                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 246                 return;
 247         }
 248
 249         char reason[MAXBUF];
 250
 251         if (pcnt > 2)
 252         {
 253                 strlcpy(reason,parameters[2],MAXBUF);
 254                 if (strlen(reason)>MAXKICK)
 255                 {
 256                         reason[MAXKICK-1] = '\0';
 257                 }
 258
 259                 kick_channel(user,u,Ptr,reason);
 260         }
 261         else
 262         {
 263                 strlcpy(reason,user->nick,MAXBUF);
 264                 kick_channel(user,u,Ptr,reason);
 265         }
 266
 267         // this must be propogated so that channel membership is kept in step network-wide
 268         char buffer[MAXBUF];
 269         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 270         NetSendToAll(buffer);
 271 }
 272
 273 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 274 {
 275         if (LoadModule(parameters[0]))
 276         {
 277                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 278                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 279         }
 280         else
 281         {
 282                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 283         }
 284 }
 285
 286 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 287 {
 288         if (UnloadModule(parameters[0]))
 289         {
 290                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 291                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 292         }
 293         else
 294         {
 295                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 296         }
 297 }
 298
 299 void handle_die(char **parameters, int pcnt, userrec *user)
 300 {
 301         log(DEBUG,"die: %s",user->nick);
 302         if (!strcmp(parameters[0],diepass))
 303         {
 304                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 305                 sleep(DieDelay);
 306                 Exit(ERROR);
 307         }
 308         else
 309         {
 310                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 311         }
 312 }
 313
 314 void handle_restart(char **parameters, int pcnt, userrec *user)
 315 {
 316         char restart[1024];
 317         char *argv[32];
 318         log(DEFAULT,"Restart: %s",user->nick);
 319         if (!strcmp(parameters[0],restartpass))
 320         {
 321                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 322
 323                 argv[0] = MyExecutable;
 324                 argv[1] = "-wait";
 325                 if (nofork)
 326                 {
 327                         argv[2] = "-nofork";
 328                 }
 329                 else
 330                 {
 331                         argv[2] = NULL;
 332                 }
 333                 argv[3] = NULL;
 334
 335                 // close ALL file descriptors
 336                 send_error("Server restarting.");
 337                 sleep(1);
 338                 for (int i = 0; i < 65536; i++)
 339                 {
 340                         int on = 1;
 341                         struct linger linger = { 0 };
 342                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 343                         linger.l_onoff = 1;
 344                         linger.l_linger = 1;
 345                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 346                         Blocking(i);
 347                         close(i);
 348                 }
 349                 sleep(2);
 350
 351                 execv(MyExecutable,argv);
 352
 353                 exit(0);
 354         }
 355         else
 356         {
 357                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 358         }
 359 }
 360
 361 void handle_kill(char **parameters, int pcnt, userrec *user)
 362 {
 363         userrec *u = Find(parameters[0]);
 364         char killreason[MAXBUF];
 365
 366         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 367         if (u)
 368         {
 369                 log(DEBUG,"into kill mechanism");
 370                 int MOD_RESULT = 0;
 371                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 372                 if (MOD_RESULT) {
 373                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 374                         return;
 375                 }
 376
 377                 if (strcmp(ServerName,u->server))
 378                 {
 379                         // remote kill
 380                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 381                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 382                         WriteCommonExcept(u,"QUIT :%s",killreason);
 383                         // K token must go to ALL servers!!!
 384                         char buffer[MAXBUF];
 385                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 386                         NetSendToAll(buffer);
 387
 388                         user_hash::iterator iter = clientlist.find(u->nick);
 389                         if (iter != clientlist.end())
 390                         {
 391                                 log(DEBUG,"deleting user hash value %d",iter->second);
 392                                 if ((iter->second) && (user->registered == 7)) {
 393                                         delete iter->second;
 394                                 }
 395                                 clientlist.erase(iter);
 396                         }
 397                         purge_empty_chans();
 398                 }
 399                 else
 400                 {
 401                         // local kill
 402                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 403                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 404                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 405                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 406                         kill_link(u,killreason);
 407                 }
 408         }
 409         else
 410         {
 411                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 412         }
 413 }
 414
 415 void handle_summon(char **parameters, int pcnt, userrec *user)
 416 {
 417         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 418 }
 419
 420 void handle_users(char **parameters, int pcnt, userrec *user)
 421 {
 422         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 423 }
 424
 425 void handle_pass(char **parameters, int pcnt, userrec *user)
 426 {
 427         // Check to make sure they havnt registered -- Fix by FCS
 428         if (user->registered == 7)
 429         {
 430                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 431                 return;
 432         }
 433         strlcpy(user->password,parameters[0],MAXBUF);
 434         if (!strcasecmp(parameters[0],Passwd(user)))
 435         {
 436                 user->haspassed = true;
 437         }
 438 }
 439
 440 void handle_invite(char **parameters, int pcnt, userrec *user)
 441 {
 442         userrec* u = Find(parameters[0]);
 443         chanrec* c = FindChan(parameters[1]);
 444
 445         if ((!c) || (!u))
 446         {
 447                 if (!c)
 448                 {
 449                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 450                 }
 451                 else
 452                 {
 453                         if (c->inviteonly)
 454                         {
 455                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 456                         }
 457                 }
 458
 459                 return;
 460         }
 461
 462         if (c->inviteonly)
 463         {
 464                 if (cstatus(user,c) < STATUS_HOP)
 465                 {
 466                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 467                         return;
 468                 }
 469         }
 470         if (has_channel(u,c))
 471         {
 472                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 473                 return;
 474         }
 475         if (!has_channel(user,c))
 476         {
 477                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 478                 return;
 479         }
 480
 481         int MOD_RESULT = 0;
 482         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 483         if (MOD_RESULT == 1) {
 484                 return;
 485         }
 486
 487         u->InviteTo(c->name);
 488         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 489         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 490
 491         // i token must go to ALL servers!!!
 492         char buffer[MAXBUF];
 493         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 494         NetSendToAll(buffer);
 495 }
 496
 497 void handle_topic(char **parameters, int pcnt, userrec *user)
 498 {
 499         chanrec* Ptr;
 500
 501         if (pcnt == 1)
 502         {
 503                 if (strlen(parameters[0]) <= CHANMAX)
 504                 {
 505                         Ptr = FindChan(parameters[0]);
 506                         if (Ptr)
 507                         {
 508                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 509                                 {
 510                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 511                                         return;
 512                                 }
 513                                 if (Ptr->topicset)
 514                                 {
 515                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 516                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 517                                 }
 518                                 else
 519                                 {
 520                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 521                                 }
 522                         }
 523                         else
 524                         {
 525                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 526                         }
 527                 }
 528                 return;
 529         }
 530         else if (pcnt>1)
 531         {
 532                 if (strlen(parameters[0]) <= CHANMAX)
 533                 {
 534                         Ptr = FindChan(parameters[0]);
 535                         if (Ptr)
 536                         {
 537                                 if ((Ptr) && (!has_channel(user,Ptr)))
 538                                 {
 539                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 540                                         return;
 541                                 }
 542                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 543                                 {
 544                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 545                                         return;
 546                                 }
 547
 548                                 char topic[MAXBUF];
 549                                 strlcpy(topic,parameters[1],MAXBUF);
 550                                 if (strlen(topic)>MAXTOPIC)
 551                                 {
 552                                         topic[MAXTOPIC-1] = '\0';
 553                                 }
 554
 555                                 if (!strcasecmp(user->server,ServerName))
 556                                 {
 557                                         int MOD_RESULT = 0;
 558                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 559                                         if (MOD_RESULT)
 560                                                 return;
 561                                 }
 562
 563                                 strlcpy(Ptr->topic,topic,MAXBUF);
 564                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 565                                 Ptr->topicset = TIME;
 566                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 567
 568                                 // t token must go to ALL servers!!!
 569                                 char buffer[MAXBUF];
 570                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 571                                 NetSendToAll(buffer);
 572                         }
 573                         else
 574                         {
 575                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 576                         }
 577                 }
 578         }
 579 }
 580
 581 void handle_names(char **parameters, int pcnt, userrec *user)
 582 {
 583         chanrec* c;
 584
 585         if (!pcnt)
 586         {
 587                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 588                 return;
 589         }
 590
 591         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 592                 return;
 593         c = FindChan(parameters[0]);
 594         if (c)
 595         {
 596                 if (((c) && (!has_channel(user,c))) && (c->secret))
 597                 {
 598                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 599                       return;
 600                 }
 601                 userlist(user,c);
 602                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 603         }
 604         else
 605         {
 606                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 607         }
 608 }
 609
 610 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 611 {
 612         userrec *dest;
 613         chanrec *chan;
 614
 615         user->idle_lastmsg = TIME;
 616
 617         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 618                 return;
 619         if (parameters[0][0] == '#')
 620         {
 621                 chan = FindChan(parameters[0]);
 622                 if (chan)
 623                 {
 624                         if ((chan->noexternal) && (!has_channel(user,chan)))
 625                         {
 626                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 627                                 return;
 628                         }
 629                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 630                         {
 631                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 632                                 return;
 633                         }
 634
 635                         int MOD_RESULT = 0;
 636
 637                         std::string temp = parameters[1];
 638                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 639                         if (MOD_RESULT) {
 640                                 return;
 641                         }
 642                         parameters[1] = (char*)temp.c_str();
 643
 644                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 645
 646                         // if any users of this channel are on remote servers, broadcast the packet
 647                         char buffer[MAXBUF];
 648                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 649                         NetSendToCommon(user,buffer);
 650                 }
 651                 else
 652                 {
 653                         /* no such nick/channel */
 654                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 655                 }
 656                 return;
 657         }
 658
 659         dest = Find(parameters[0]);
 660         if (dest)
 661         {
 662                 if (strcmp(dest->awaymsg,""))
 663                 {
 664                         /* auto respond with aweh msg */
 665                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 666                 }
 667
 668                 int MOD_RESULT = 0;
 669
 670                 std::string temp = parameters[1];
 671                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 672                 if (MOD_RESULT) {
 673                         return;
 674                 }
 675                 parameters[1] = (char*)temp.c_str();
 676
 677
 678
 679                 if (!strcmp(dest->server,user->server))
 680                 {
 681                         // direct write, same server
 682                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 683                 }
 684                 else
 685                 {
 686                         char buffer[MAXBUF];
 687                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 688                         NetSendToOne(dest->server,buffer);
 689                 }
 690         }
 691         else
 692         {
 693                 /* no such nick/channel */
 694                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 695         }
 696 }
 697
 698 void handle_notice(char **parameters, int pcnt, userrec *user)
 699 {
 700         userrec *dest;
 701         chanrec *chan;
 702
 703         user->idle_lastmsg = TIME;
 704
 705         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 706                 return;
 707         if (parameters[0][0] == '#')
 708         {
 709                 chan = FindChan(parameters[0]);
 710                 if (chan)
 711                 {
 712                         if ((chan->noexternal) && (!has_channel(user,chan)))
 713                         {
 714                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 715                                 return;
 716                         }
 717                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 718                         {
 719                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 720                                 return;
 721                         }
 722
 723                         int MOD_RESULT = 0;
 724
 725                         std::string temp = parameters[1];
 726                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 727                         if (MOD_RESULT) {
 728                                 return;
 729                         }
 730                         parameters[1] = (char*)temp.c_str();
 731
 732                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 733
 734                         // if any users of this channel are on remote servers, broadcast the packet
 735                         char buffer[MAXBUF];
 736                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 737                         NetSendToCommon(user,buffer);
 738                 }
 739                 else
 740                 {
 741                         /* no such nick/channel */
 742                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 743                 }
 744                 return;
 745         }
 746
 747         dest = Find(parameters[0]);
 748         if (dest)
 749         {
 750                 int MOD_RESULT = 0;
 751
 752                 std::string temp = parameters[1];
 753                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 754                 if (MOD_RESULT) {
 755                         return;
 756                 }
 757                 parameters[1] = (char*)temp.c_str();
 758
 759                 if (!strcmp(dest->server,user->server))
 760                 {
 761                         // direct write, same server
 762                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 763                 }
 764                 else
 765                 {
 766                         char buffer[MAXBUF];
 767                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 768                         NetSendToOne(dest->server,buffer);
 769                 }
 770         }
 771         else
 772         {
 773                 /* no such nick/channel */
 774                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 775         }
 776 }
 777
 778 void handle_server(char **parameters, int pcnt, userrec *user)
 779 {
 780         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 781         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 782 }
 783
 784 void handle_info(char **parameters, int pcnt, userrec *user)
 785 {
 786         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 787         WriteServ(user->fd,"371 %s : ",user->nick);
 788         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 789         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 790         WriteServ(user->fd,"371 %s : ",user->nick);
 791         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 792         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 793         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 794         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 795         WriteServ(user->fd,"371 %s : ",user->nick);
 796         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 797         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 798         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 799         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 800         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 801         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 802         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 803         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 804         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 805         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 806         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 807         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 808         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 809         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 810         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 811         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 812         WriteServ(user->fd,"371 %s : ",user->nick);
 813         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 814         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 815         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 816         WriteServ(user->fd,"371 %s :this software.",user->nick);
 817         WriteServ(user->fd,"371 %s : ",user->nick);
 818         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 819         FOREACH_MOD OnInfo(user);
 820         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 821 }
 822
 823 void handle_time(char **parameters, int pcnt, userrec *user)
 824 {
 825         time_t rawtime;
 826         struct tm * timeinfo;
 827
 828         time ( &rawtime );
 829         timeinfo = localtime ( &rawtime );
 830         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 831
 832 }
 833
 834 void handle_whois(char **parameters, int pcnt, userrec *user)
 835 {
 836         userrec *dest;
 837         char *t;
 838
 839         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 840                 return;
 841         dest = Find(parameters[0]);
 842         if (dest)
 843         {
 844                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 845                 if (dest->registered == 7)
 846                 {
 847                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 848                         if ((user == dest) || (strchr(user->modes,'o')))
 849                         {
 850                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 851                         }
 852                         if (strcmp(chlist(dest),""))
 853                         {
 854                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 855                         }
 856                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 857                         if (strcmp(dest->awaymsg,""))
 858                         {
 859                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 860                         }
 861                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 862                         {
 863                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 864                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 865                         }
 866                         FOREACH_MOD OnWhois(user,dest);
 867                         if (!strcasecmp(user->server,dest->server))
 868                         {
 869                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 870                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 871                         }
 872
 873                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 874                 }
 875                 else
 876                 {
 877                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 878                 }
 879         }
 880         else
 881         {
 882                 /* no such nick/channel */
 883                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 884         }
 885 }
 886
 887 void handle_quit(char **parameters, int pcnt, userrec *user)
 888 {
 889         user_hash::iterator iter = clientlist.find(user->nick);
 890         char* reason;
 891
 892         if (user->registered == 7)
 893         {
 894                 /* theres more to do here, but for now just close the socket */
 895                 if (pcnt == 1)
 896                 {
 897                         if (parameters[0][0] == ':')
 898                         {
 899                                 *parameters[0]++;
 900                         }
 901                         reason = parameters[0];
 902
 903                         if (strlen(reason)>MAXQUIT)
 904                         {
 905                                 reason[MAXQUIT-1] = '\0';
 906                         }
 907
 908                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 909                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 910                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 911
 912                         char buffer[MAXBUF];
 913                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 914                         NetSendToAll(buffer);
 915                 }
 916                 else
 917                 {
 918                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 919                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 920                         WriteCommonExcept(user,"QUIT :Client exited");
 921
 922                         char buffer[MAXBUF];
 923                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 924                         NetSendToAll(buffer);
 925                 }
 926                 FOREACH_MOD OnUserQuit(user);
 927                 AddWhoWas(user);
 928         }
 929
 930         FOREACH_MOD OnUserDisconnect(user);
 931
 932         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 933         if (user->fd > -1)
 934         {
 935                 shutdown(user->fd,2);
 936                 close(user->fd);
 937         }
 938
 939         if (iter != clientlist.end())
 940         {
 941                 clientlist.erase(iter);
 942                 log(DEBUG,"deleting user hash value %d",iter->second);
 943                 //if ((user) && (user->registered == 7)) {
 944                         //delete user;
 945                 //}
 946         }
 947
 948         if (user->registered == 7) {
 949                 purge_empty_chans();
 950         }
 951 }
 952
 953 void handle_who(char **parameters, int pcnt, userrec *user)
 954 {
 955         chanrec* Ptr = NULL;
 956         char tmp[10];
 957
 958         /* theres more to do here, but for now just close the socket */
 959         if (pcnt == 1)
 960         {
 961                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 962                 {
 963                         if (user->chans[0].channel)
 964                         {
 965                                 int n_list = 0;
 966                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 967                                 {
 968                                         Ptr = i->second->chans[0].channel;
 969                                         // suggested by phidjit and FCS
 970                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 971                                         {
 972                                                 // Bug Fix #29
 973                                                 strcpy(tmp, "");
 974                                                 if (strcmp(i->second->awaymsg, "")) {
 975                                                         strncat(tmp, "G", 9);
 976                                                 } else {
 977                                                         strncat(tmp, "H", 9);
 978                                                 }
 979                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 980                                                 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);
 981                                                 n_list++;
 982                                                 if (n_list > MaxWhoResults)
 983                                                         break;
 984                                         }
 985                                 }
 986                         }
 987                         if (Ptr)
 988                         {
 989                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 990                         }
 991                         else
 992                         {
 993                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 994                         }
 995                         return;
 996                 }
 997                 if (parameters[0][0] == '#')
 998                 {
 999                         Ptr = FindChan(parameters[0]);
1000                         if (Ptr)
1001                         {
1002                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1003                                 {
1004                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1005                                         {
1006                                                 // Fix Bug #29 - Part 2..
1007                                                 strcpy(tmp, "");
1008                                                 if (strcmp(i->second->awaymsg, "")) {
1009                                                         strncat(tmp, "G", 9);
1010                                                 } else {
1011                                                         strncat(tmp, "H", 9);
1012                                                 }
1013                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
1014                                                 strcat(tmp, cmode(i->second, Ptr));
1015                                                 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);
1016                                         }
1017                                 }
1018                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1019                         }
1020                         else
1021                         {
1022                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
1023                         }
1024                 }
1025                 else
1026                 {
1027                         userrec* u = Find(parameters[0]);
1028                         if (u)
1029                         {
1030                                 // Bug Fix #29 -- Part 29..
1031                                 strcpy(tmp, "");
1032                                 if (strcmp(u->awaymsg, "")) {
1033                                         strncat(tmp, "G" ,9);
1034                                 } else {
1035                                         strncat(tmp, "H" ,9);
1036                                 }
1037                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
1038                                 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);
1039                         }
1040                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1041                 }
1042         }
1043         if (pcnt == 2)
1044         {
1045                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1046                 {
1047                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1048                         {
1049                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
1050                                 {
1051                                         if (strchr(i->second->modes,'o'))
1052                                         {
1053                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1054                                                 // But i'm a poor bastard with nothing better to do.
1055                                                 strcpy(tmp, "");
1056                                                 if (strcmp(i->second->awaymsg, "")) {
1057                                                         strncat(tmp, "G" ,9);
1058                                                 } else {
1059                                                         strncat(tmp, "H" ,9);
1060                                                 }
1061
1062                                                 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);
1063                                         }
1064                                 }
1065                         }
1066                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1067                         return;
1068                 }
1069         }
1070 }
1071
1072 void handle_wallops(char **parameters, int pcnt, userrec *user)
1073 {
1074         WriteWallOps(user,false,"%s",parameters[0]);
1075 }
1076
1077 void handle_list(char **parameters, int pcnt, userrec *user)
1078 {
1079         chanrec* Ptr;
1080
1081         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1082         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1083         {
1084                 if ((!i->second->c_private) && (!i->second->secret))
1085                 {
1086                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1087                 }
1088         }
1089         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1090 }
1091
1092
1093 void handle_rehash(char **parameters, int pcnt, userrec *user)
1094 {
1095         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1096         ReadConfig(false,user);
1097         FOREACH_MOD OnRehash();
1098         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1099 }
1100
1101 void handle_lusers(char **parameters, int pcnt, userrec *user)
1102 {
1103         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1104         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1105         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1106         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1107         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1108 }
1109
1110 void handle_admin(char **parameters, int pcnt, userrec *user)
1111 {
1112         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1113         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1114         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1115         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1116 }
1117
1118 void handle_ping(char **parameters, int pcnt, userrec *user)
1119 {
1120         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1121 }
1122
1123 void handle_pong(char **parameters, int pcnt, userrec *user)
1124 {
1125         // set the user as alive so they survive to next ping
1126         user->lastping = 1;
1127 }
1128
1129 void handle_motd(char **parameters, int pcnt, userrec *user)
1130 {
1131         ShowMOTD(user);
1132 }
1133
1134 void handle_rules(char **parameters, int pcnt, userrec *user)
1135 {
1136         ShowRULES(user);
1137 }
1138
1139 void handle_user(char **parameters, int pcnt, userrec *user)
1140 {
1141         if (user->registered < 3)
1142         {
1143                 if (isident(parameters[0]) == 0) {
1144                         // This kinda Sucks, According to the RFC thou, its either this,
1145                         // or "You have already registered" :p -- Craig
1146                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1147                 }
1148                 else {
1149                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1150                         strlcat(user->ident,parameters[0],IDENTMAX);
1151                         strlcpy(user->fullname,parameters[3],128);
1152                         user->registered = (user->registered | 1);
1153                 }
1154         }
1155         else
1156         {
1157                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1158                 return;
1159         }
1160         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1161         if (user->registered == 3)
1162         {
1163                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1164                 FOREACH_MOD OnUserRegister(user);
1165                 ConnectUser(user);
1166         }
1167 }
1168
1169 void handle_userhost(char **parameters, int pcnt, userrec *user)
1170 {
1171         char Return[MAXBUF],junk[MAXBUF];
1172         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1173         for (int i = 0; i < pcnt; i++)
1174         {
1175                 userrec *u = Find(parameters[i]);
1176                 if (u)
1177                 {
1178                         if (strchr(u->modes,'o'))
1179                         {
1180                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1181                                 strlcat(Return,junk,MAXBUF);
1182                         }
1183                         else
1184                         {
1185                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1186                                 strlcat(Return,junk,MAXBUF);
1187                         }
1188                 }
1189         }
1190         WriteServ(user->fd,Return);
1191 }
1192
1193
1194 void handle_ison(char **parameters, int pcnt, userrec *user)
1195 {
1196         char Return[MAXBUF];
1197         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1198         for (int i = 0; i < pcnt; i++)
1199         {
1200                 userrec *u = Find(parameters[i]);
1201                 if (u)
1202                 {
1203                         strlcat(Return,u->nick,MAXBUF);
1204                         strlcat(Return," ",MAXBUF);
1205                 }
1206         }
1207         WriteServ(user->fd,Return);
1208 }
1209
1210
1211 void handle_away(char **parameters, int pcnt, userrec *user)
1212 {
1213         if (pcnt)
1214         {
1215                 strlcpy(user->awaymsg,parameters[0],512);
1216                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1217         }
1218         else
1219         {
1220                 strlcpy(user->awaymsg,"",512);
1221                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1222         }
1223 }
1224
1225 void handle_whowas(char **parameters, int pcnt, userrec* user)
1226 {
1227         user_hash::iterator i = whowas.find(parameters[0]);
1228
1229         if (i == whowas.end())
1230         {
1231                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1232                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1233         }
1234         else
1235         {
1236                 time_t rawtime = i->second->signon;
1237                 tm *timeinfo;
1238                 char b[MAXBUF];
1239
1240                 timeinfo = localtime(&rawtime);
1241                 strlcpy(b,asctime(timeinfo),MAXBUF);
1242                 b[strlen(b)-1] = '\0';
1243
1244                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1245                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1246                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1247         }
1248
1249 }
1250
1251 void handle_trace(char **parameters, int pcnt, userrec *user)
1252 {
1253         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1254         {
1255                 if (i->second)
1256                 {
1257                         if (isnick(i->second->nick))
1258                         {
1259                                 if (strchr(i->second->modes,'o'))
1260                                 {
1261                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1262                                 }
1263                                 else
1264                                 {
1265                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1266                                 }
1267                         }
1268                         else
1269                         {
1270                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1271                         }
1272                 }
1273         }
1274 }
1275
1276 void handle_modules(char **parameters, int pcnt, userrec *user)
1277 {
1278         for (int i = 0; i < module_names.size(); i++)
1279         {
1280                 Version V = modules[i]->GetVersion();
1281                 char modulename[MAXBUF];
1282                 char flagstate[MAXBUF];
1283                 strcpy(flagstate,"");
1284                 if (V.Flags & VF_STATIC)
1285                         strlcat(flagstate,", static",MAXBUF);
1286                 if (V.Flags & VF_VENDOR)
1287                         strlcat(flagstate,", vendor",MAXBUF);
1288                 if (V.Flags & VF_COMMON)
1289                         strlcat(flagstate,", common",MAXBUF);
1290                 if (V.Flags & VF_SERVICEPROVIDER)
1291                         strlcat(flagstate,", service provider",MAXBUF);
1292                 if (!strlen(flagstate))
1293                         strcpy(flagstate,"  <no flags>");
1294                 strlcpy(modulename,module_names[i].c_str(),256);
1295                 if (strchr(user->modes,'o'))
1296                 {
1297                         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);
1298                 }
1299                 else
1300                 {
1301                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1302                 }
1303         }
1304 }
1305
1306 void handle_stats(char **parameters, int pcnt, userrec *user)
1307 {
1308         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1309         if (pcnt != 1)
1310         {
1311                 return;
1312         }
1313         if (strlen(parameters[0])>1)
1314         {
1315                 /* make the stats query 1 character long */
1316                 parameters[0][1] = '\0';
1317         }
1318
1319
1320         FOREACH_MOD OnStats(*parameters[0]);
1321
1322         if (!strcasecmp(parameters[0],"c"))
1323         {
1324                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1325                 {
1326                         ConfValue("link","name",i,Link_ServerName,&config_f);
1327                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1328                         ConfValue("link","port",i,Link_Port,&config_f);
1329                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1330                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1331                 }
1332         }
1333
1334         if (!strcasecmp(parameters[0],"i"))
1335         {
1336                 int idx = 0;
1337                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1338                 {
1339                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1340                         idx++;
1341                 }
1342         }
1343
1344         if (!strcasecmp(parameters[0],"y"))
1345         {
1346                 int idx = 0;
1347                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1348                 {
1349                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1350                         idx++;
1351                 }
1352         }
1353
1354         if (!strcmp(parameters[0],"U"))
1355         {
1356                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1357                 {
1358                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1359                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1360                 }
1361         }
1362
1363         if (!strcmp(parameters[0],"P"))
1364         {
1365                 int idx = 0;
1366                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1367                 {
1368                         if (strchr(i->second->modes,'o'))
1369                         {
1370                                 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));
1371                                 idx++;
1372                         }
1373                 }
1374                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1375         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1376         }
1377
1378         if (!strcmp(parameters[0],"k"))
1379         {
1380                 stats_k(user);
1381         }
1382
1383         if (!strcmp(parameters[0],"g"))
1384         {
1385                 stats_g(user);
1386         }
1387
1388         if (!strcmp(parameters[0],"q"))
1389         {
1390                 stats_q(user);
1391         }
1392
1393         if (!strcmp(parameters[0],"Z"))
1394         {
1395                 stats_z(user);
1396         }
1397
1398         if (!strcmp(parameters[0],"e"))
1399         {
1400                 stats_e(user);
1401         }
1402
1403         /* stats m (list number of times each command has been used, plus bytecount) */
1404         if (!strcmp(parameters[0],"m"))
1405         {
1406                 for (int i = 0; i < cmdlist.size(); i++)
1407                 {
1408                         if (cmdlist[i].handler_function)
1409                         {
1410                                 if (cmdlist[i].use_count)
1411                                 {
1412                                         /* RPL_STATSCOMMANDS */
1413                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1414                                 }
1415                         }
1416                 }
1417
1418         }
1419
1420         /* stats z (debug and memory info) */
1421         if (!strcmp(parameters[0],"z"))
1422         {
1423                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1424                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1425                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1426                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1427                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1428                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1429                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1430                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1431         }
1432
1433         /* stats o */
1434         if (!strcmp(parameters[0],"o"))
1435         {
1436                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1437                 {
1438                         char LoginName[MAXBUF];
1439                         char HostName[MAXBUF];
1440                         char OperType[MAXBUF];
1441                         ConfValue("oper","name",i,LoginName,&config_f);
1442                         ConfValue("oper","host",i,HostName,&config_f);
1443                         ConfValue("oper","type",i,OperType,&config_f);
1444                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1445                 }
1446         }
1447
1448         /* stats l (show user I/O stats) */
1449         if (!strcmp(parameters[0],"l"))
1450         {
1451                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1452                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1453                 {
1454                         if (isnick(i->second->nick))
1455                         {
1456                                 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);
1457                         }
1458                         else
1459                         {
1460                                 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);
1461                         }
1462
1463                 }
1464         }
1465
1466         /* stats u (show server uptime) */
1467         if (!strcmp(parameters[0],"u"))
1468         {
1469                 time_t current_time = 0;
1470                 current_time = TIME;
1471                 time_t server_uptime = current_time - startup_time;
1472                 struct tm* stime;
1473                 stime = gmtime(&server_uptime);
1474                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1475                  * Craig suggested this, and it seemed a good idea so in it went */
1476                 if (stime->tm_year > 70)
1477                 {
1478                         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);
1479                 }
1480                 else
1481                 {
1482                         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);
1483                 }
1484         }
1485
1486         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1487         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1488
1489 }
1490
1491 void handle_connect(char **parameters, int pcnt, userrec *user)
1492 {
1493         char Link_ServerName[1024];
1494         char Link_IPAddr[1024];
1495         char Link_Port[1024];
1496         char Link_Pass[1024];
1497         int LinkPort;
1498         bool found = false;
1499
1500         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1501         {
1502                 if (!found)
1503                 {
1504                         ConfValue("link","name",i,Link_ServerName,&config_f);
1505                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1506                         ConfValue("link","port",i,Link_Port,&config_f);
1507                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1508                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1509                         LinkPort = atoi(Link_Port);
1510                         if (match(Link_ServerName,parameters[0])) {
1511                                 found = true;
1512                                 break;
1513                         }
1514                 }
1515         }
1516
1517         if (!found) {
1518                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1519                 return;
1520         }
1521
1522         // TODO: Perform a check here to stop a server being linked twice!
1523
1524         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1525
1526         if (me[defaultRoute])
1527         {
1528                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1529                 return;
1530         }
1531         else
1532         {
1533                 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);
1534         }
1535 }
1536
1537 void handle_squit(char **parameters, int pcnt, userrec *user)
1538 {
1539         // send out an squit across the mesh and then clear the server list (for local squit)
1540         if (!pcnt)
1541         {
1542                 WriteOpers("SQUIT command issued by %s",user->nick);
1543                 char buffer[MAXBUF];
1544                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1545                 NetSendToAll(buffer);
1546                 DoSplitEveryone();
1547         }
1548         else
1549         {
1550                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1551         }
1552 }
1553
1554 void handle_links(char **parameters, int pcnt, userrec *user)
1555 {
1556         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1557         for (int j = 0; j < 32; j++)
1558         {
1559                 if (me[j] != NULL)
1560                 {
1561                         for (int k = 0; k < me[j]->connectors.size(); k++)
1562                         {
1563                                 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());
1564                         }
1565                 }
1566         }
1567         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1568 }
1569
1570 void handle_map(char **parameters, int pcnt, userrec *user)
1571 {
1572         char line[MAXBUF];
1573         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1574         while (strlen(line) < 50)
1575                 strcat(line," ");
1576         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1577         for (int j = 0; j < 32; j++)
1578         {
1579                 if (me[j] != NULL)
1580                 {
1581                         for (int k = 0; k < me[j]->connectors.size(); k++)
1582                         {
1583                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1584                                 while (strlen(line) < 50)
1585                                         strcat(line," ");
1586                                 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));
1587                         }
1588                 }
1589         }
1590         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1591 }
1592
1593 bool is_uline(const char* server)
1594 {
1595         char ServName[MAXBUF];
1596         int i,j;
1597
1598         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1599         {
1600                 ConfValue("uline","server",i,ServName,&config_f);
1601                 if (!strcasecmp(server,ServName))
1602                 {
1603                         return true;
1604                 }
1605         }
1606         return false;
1607 }
1608
1609
1610 void handle_oper(char **parameters, int pcnt, userrec *user)
1611 {
1612         char LoginName[MAXBUF];
1613         char Password[MAXBUF];
1614         char OperType[MAXBUF];
1615         char TypeName[MAXBUF];
1616         char HostName[MAXBUF];
1617         char TheHost[MAXBUF];
1618         int i,j;
1619         bool found = false;
1620         bool fail2 = false;
1621         char global[MAXBUF];
1622
1623         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1624
1625         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1626         {
1627                 ConfValue("oper","name",i,LoginName,&config_f);
1628                 ConfValue("oper","password",i,Password,&config_f);
1629                 ConfValue("oper","type",i,OperType,&config_f);
1630                 ConfValue("oper","host",i,HostName,&config_f);
1631                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1632                 {
1633                         fail2 = true;
1634                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1635                         {
1636                                 ConfValue("type","name",j,TypeName,&config_f);
1637
1638                                 if (!strcmp(TypeName,OperType))
1639                                 {
1640                                         /* found this oper's opertype */
1641                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1642                                         NetSendToAll(global);
1643                                         ConfValue("type","host",j,HostName,&config_f);
1644                                         ChangeDisplayedHost(user,HostName);
1645                                         strlcpy(user->oper,TypeName,NICKMAX);
1646                                         found = true;
1647                                         fail2 = false;
1648                                         break;
1649                                 }
1650                         }
1651                 }
1652                 if (found)
1653                         break;
1654         }
1655         if (found)
1656         {
1657                 /* correct oper credentials */
1658                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1659                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1660                 if (!strchr(user->modes,'o'))
1661                 {
1662                         strcat(user->modes,"o");
1663                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1664                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1665                         NetSendToAll(global);
1666                         FOREACH_MOD OnOper(user);
1667                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1668                 }
1669         }
1670         else
1671         {
1672                 if (!fail2)
1673                 {
1674                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1675                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1676                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1677                 }
1678                 else
1679                 {
1680                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1681                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1682                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1683                 }
1684         }
1685         return;
1686 }
1687
1688 void handle_nick(char **parameters, int pcnt, userrec *user)
1689 {
1690         if (pcnt < 1)
1691         {
1692                 log(DEBUG,"not enough params for handle_nick");
1693                 return;
1694         }
1695         if (!parameters[0])
1696         {
1697                 log(DEBUG,"invalid parameter passed to handle_nick");
1698                 return;
1699         }
1700         if (!strlen(parameters[0]))
1701         {
1702                 log(DEBUG,"zero length new nick passed to handle_nick");
1703                 return;
1704         }
1705         if (!user)
1706         {
1707                 log(DEBUG,"invalid user passed to handle_nick");
1708                 return;
1709         }
1710         if (!user->nick)
1711         {
1712                 log(DEBUG,"invalid old nick passed to handle_nick");
1713                 return;
1714         }
1715         if (!strcasecmp(user->nick,parameters[0]))
1716         {
1717                 log(DEBUG,"old nick is new nick, skipping");
1718                 return;
1719         }
1720         else
1721         {
1722                 if (strlen(parameters[0]) > 1)
1723                 {
1724                         if (parameters[0][0] == ':')
1725                         {
1726                                 *parameters[0]++;
1727                         }
1728                 }
1729                 if (matches_qline(parameters[0]))
1730                 {
1731                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1732                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1733                         return;
1734                 }
1735                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1736                 {
1737                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1738                         return;
1739                 }
1740         }
1741         if (isnick(parameters[0]) == 0)
1742         {
1743                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1744                 return;
1745         }
1746
1747         if (user->registered == 7)
1748         {
1749                 int MOD_RESULT = 0;
1750                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1751                 if (MOD_RESULT) {
1752                         // if a module returns true, the nick change is silently forbidden.
1753                         return;
1754                 }
1755
1756                 WriteCommon(user,"NICK %s",parameters[0]);
1757
1758                 // Q token must go to ALL servers!!!
1759                 char buffer[MAXBUF];
1760                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1761                 NetSendToAll(buffer);
1762         }
1763
1764         char oldnick[NICKMAX];
1765         strlcpy(oldnick,user->nick,NICKMAX);
1766
1767         /* change the nick of the user in the users_hash */
1768         user = ReHashNick(user->nick, parameters[0]);
1769         /* actually change the nick within the record */
1770         if (!user) return;
1771         if (!user->nick) return;
1772
1773         strlcpy(user->nick, parameters[0],NICKMAX);
1774
1775         log(DEBUG,"new nick set: %s",user->nick);
1776
1777         if (user->registered < 3)
1778         {
1779                 user->registered = (user->registered | 2);
1780                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1781                 // and unless we're lucky we'll get a duff one later on.
1782                 user->dns_done = (!lookup_dns(user->nick));
1783                 if (user->dns_done)
1784                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1785         }
1786         if (user->registered == 3)
1787         {
1788                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1789                 FOREACH_MOD OnUserRegister(user);
1790                 ConnectUser(user);
1791         }
1792         if (user->registered == 7)
1793         {
1794                 FOREACH_MOD OnUserPostNick(user,oldnick);
1795         }
1796 }
1797
1798
1799
1800 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1801 {
1802         char* src = strtok(params," ");
1803         char* dest = strtok(NULL," :");
1804         char* text = strtok(NULL,"\r\n");
1805         text++;
1806
1807         userrec* user = Find(src);
1808         if (user)
1809         {
1810                 userrec* dst = Find(dest);
1811
1812                 if (dst)
1813                 {
1814                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1815                 }
1816                 else
1817                 {
1818                         chanrec* d = FindChan(dest);
1819                         if (d)
1820                         {
1821                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1822                         }
1823                 }
1824         }
1825
1826 }
1827
1828
1829 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1830 {
1831         char* src = strtok(params," ");
1832         char* dest = strtok(NULL," :");
1833         char* text = strtok(NULL,"\r\n");
1834         text++;
1835
1836         userrec* user = Find(src);
1837         if (user)
1838         {
1839                 userrec* dst = Find(dest);
1840
1841                 if (dst)
1842                 {
1843                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1844                 }
1845                 else
1846                 {
1847                         chanrec* d = FindChan(dest);
1848                         if (d)
1849                         {
1850                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1851                         }
1852                 }
1853         }
1854
1855 }
1856
1857 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1858 {
1859         char* nick = strtok(params," ");
1860         char* from = strtok(NULL," ");
1861         char* channel = strtok(NULL," ");
1862         userrec* u = Find(nick);
1863         userrec* user = Find(from);
1864         chanrec* c = FindChan(channel);
1865         if ((c) && (u) && (user))
1866         {
1867                 u->InviteTo(c->name);
1868                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1869         }
1870 }
1871
1872 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1873 {
1874         char* setby = strtok(params," ");
1875         char* channel = strtok(NULL," :");
1876         char* topic = strtok(NULL,"\r\n");
1877         topic++;
1878         userrec* u = Find(setby);
1879         chanrec* c = FindChan(channel);
1880         if ((c) && (u))
1881         {
1882                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1883                 strlcpy(c->topic,topic,MAXTOPIC);
1884                 strlcpy(c->setby,u->nick,NICKMAX);
1885                 c->topicset = TIME;
1886         }
1887 }
1888
1889
1890 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1891 {
1892         char* tm = strtok(params," ");
1893         char* setby = strtok(NULL," ");
1894         char* channel = strtok(NULL," :");
1895         char* topic = strtok(NULL,"\r\n");
1896         topic++;
1897         time_t TS = atoi(tm);
1898         chanrec* c = FindChan(channel);
1899         if (c)
1900         {
1901                 // in the case of topics and TS, the *NEWER*
1902                 if (TS <= c->topicset)
1903                 {
1904                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1905                         strlcpy(c->topic,topic,MAXTOPIC);
1906                         strlcpy(c->setby,setby,NICKMAX);
1907                 }
1908         }
1909 }
1910
1911 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1912 {
1913         char* pars[128];
1914         char original[MAXBUF],target[MAXBUF];
1915         strlcpy(original,params,MAXBUF);
1916         int index = 0;
1917         char* parameter = strtok(params," ");
1918         strlcpy(target,parameter,MAXBUF);
1919         while (parameter)
1920         {
1921                 if (parameter[0] == ':')
1922                         parameter++;
1923                 pars[index++] = parameter;
1924                 parameter = strtok(NULL," ");
1925         }
1926         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1927         merge_mode(pars,index);
1928         if (FindChan(target))
1929         {
1930                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1931         }
1932         if (Find(target))
1933         {
1934                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1935         }
1936 }
1937
1938 // m is modes set by users only (not servers) valid targets are channels or users.
1939
1940 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1941 {
1942         // m blah #chatspike +b *!test@*4
1943         char* pars[128];
1944         char original[MAXBUF];
1945         strlcpy(original,params,MAXBUF);
1946
1947         if (!strchr(params,' '))
1948         {
1949                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1950                 return;
1951         }
1952
1953         int index = 0;
1954
1955         char* src = strtok(params," ");
1956         userrec* user = Find(src);
1957
1958         if (user)
1959         {
1960                 log(DEBUG,"Found user: %s",user->nick);
1961                 char* parameter = strtok(NULL," ");
1962                 while (parameter)
1963                 {
1964                         pars[index++] = parameter;
1965                         parameter = strtok(NULL," ");
1966                 }
1967
1968                 log(DEBUG,"Calling merge_mode2");
1969                 merge_mode2(pars,index,user);
1970         }
1971 }
1972
1973
1974 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1975 {
1976         char* nick = NULL;
1977         char* channel = NULL;
1978         char* reason = NULL;
1979         log(DEBUG,"L TOKEN PARS: '%s'",params);
1980         if (strstr(params,":#"))
1981         {
1982                 nick = strtok(params," ");
1983                 channel = strtok(NULL,"\r\n");
1984                 channel++;
1985                 reason = "";
1986         }
1987         else
1988         {
1989                 nick = strtok(params," ");
1990                 channel = strtok(NULL," :");
1991                 reason = strtok(NULL,"\r\n");
1992                 reason++;
1993         }
1994         userrec* user = Find(nick);
1995         if ((user) && (channel) && (reason))
1996         {
1997                 if ((!reason) && (*reason != '\0'))
1998                 {
1999                         del_channel(user,channel,reason,true);
2000                 }
2001                 else
2002                 {
2003                         del_channel(user,channel,NULL,true);
2004                 }
2005         }
2006 }
2007
2008 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2009 {
2010         char* src = strtok(params," ");
2011         char* nick = strtok(NULL," :");
2012         char* reason = strtok(NULL,"\r\n");
2013         char kreason[MAXBUF];
2014         reason++;
2015
2016         userrec* u = Find(nick);
2017         userrec* user = Find(src);
2018
2019         if ((user) && (u))
2020         {
2021                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2022                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2023                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
2024                 kill_link(u,kreason);
2025         }
2026 }
2027
2028 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2029 {
2030         char* nick = strtok(params," :");
2031         char* reason = strtok(NULL,"\r\n");
2032         reason++;
2033
2034         userrec* user = Find(nick);
2035
2036         if (user)
2037         {
2038                 if (strlen(reason)>MAXQUIT)
2039                 {
2040                         reason[MAXQUIT-1] = '\0';
2041                 }
2042
2043
2044                 WriteCommonExcept(user,"QUIT :%s",reason);
2045
2046                 user_hash::iterator iter = clientlist.find(user->nick);
2047
2048                 if (iter != clientlist.end())
2049                 {
2050                         log(DEBUG,"deleting user hash value %d",iter->second);
2051                         if ((iter->second) && (user->registered == 7)) {
2052                                 delete iter->second;
2053                         }
2054                         clientlist.erase(iter);
2055                 }
2056
2057                 purge_empty_chans();
2058         }
2059 }
2060
2061 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2062 {
2063         char* oldnick = strtok(params," ");
2064         char* newnick = strtok(NULL," ");
2065
2066         userrec* user = Find(oldnick);
2067
2068         if (user)
2069         {
2070                 WriteCommon(user,"NICK %s",newnick);
2071                 if (is_uline(tcp_host))
2072                 {
2073                         int MOD_RESULT = 0;
2074                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2075                         if (MOD_RESULT) {
2076                                 // if a module returns true, the nick change couldnt be allowed
2077                                 kill_link(user,"Nickname collision");
2078                                 return;
2079                         }
2080                         if (matches_qline(newnick))
2081                         {
2082                                 kill_link(user,"Nickname collision");
2083                                 return;
2084                         }
2085
2086                         // broadcast this because its a services thingy
2087                         char buffer[MAXBUF];
2088                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2089                         NetSendToAll(buffer);
2090                 }
2091                 user = ReHashNick(user->nick, newnick);
2092                 if (!user) return;
2093                 if (!user->nick) return;
2094                 strlcpy(user->nick, newnick,NICKMAX);
2095                 log(DEBUG,"new nick set: %s",user->nick);
2096         }
2097 }
2098
2099 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2100 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2101 {
2102         char* src = strtok(params," ");
2103         char* dest = strtok(NULL," ");
2104         char* channel = strtok(NULL," :");
2105         char* reason = strtok(NULL,"\r\n");
2106         reason++;
2107         userrec* s = Find(src);
2108         userrec* d = Find(dest);
2109         chanrec* c = FindChan(channel);
2110         if ((s) && (d) && (c))
2111         {
2112                 kick_channel(s,d,c,reason);
2113                 return;
2114         }
2115         d = Find(channel);
2116         c = FindChan(dest);
2117         if ((s) && (d) && (c))
2118         {
2119                 kick_channel(s,d,c,reason);
2120                 return;
2121         }
2122 }
2123
2124 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2125 {
2126         char* who = strtok(params," :");
2127         char* text = strtok(NULL,"\r\n");
2128         text++;
2129         userrec* s = Find(who);
2130         if (s)
2131         {
2132                 WriteWallOps(s,true,text);
2133         }
2134 }
2135
2136 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2137 {
2138         log(DEBUG,"Adding ULined server %s to my map",params);
2139         ircd_connector s;
2140         s.SetState(STATE_DISCONNECTED);
2141         s.SetServerName(params);
2142
2143         for (int j = 0; j < 32; j++)
2144         {
2145                 if (me[j] != NULL)
2146                 {
2147                         for (int k = 0; k < me[j]->connectors.size(); k++)
2148                         {
2149                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2150                                 {
2151                                         // dont allow a server to be added twice
2152                                         log(DEBUG,"ULined server %s already in the map!",params);
2153                                         return;
2154                                 }
2155                         }
2156                 }
2157         }
2158
2159         source->connectors.push_back(s);
2160         WriteOpers("Non-Mesh server %s has joined the network",params);
2161 }
2162
2163 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2164 {
2165         char* tm = strtok(params," ");
2166         char* nick = strtok(NULL," ");
2167         char* host = strtok(NULL," ");
2168         char* dhost = strtok(NULL," ");
2169         char* ident = strtok(NULL," ");
2170         char* modes = strtok(NULL," ");
2171         char* ipaddr = strtok(NULL," ");
2172         char* server = strtok(NULL," :");
2173         char* gecos = strtok(NULL,"\r\n");
2174         gecos++;
2175         modes++;
2176         time_t TS = atoi(tm);
2177         user_hash::iterator iter = clientlist.find(nick);
2178         if (iter != clientlist.end())
2179         {
2180                 // nick collision
2181                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2182                 char str[MAXBUF];
2183                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2184                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2185                 kill_link(iter->second,str);
2186         }
2187         clientlist[nick] = new userrec();
2188         // remote users have an fd of -1. This is so that our Write abstraction
2189         // routines know to route any messages to this record away to whatever server
2190         // theyre on.
2191         clientlist[nick]->fd = -1;
2192         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2193         strlcpy(clientlist[nick]->host, host,160);
2194         strlcpy(clientlist[nick]->dhost, dhost,160);
2195         strlcpy(clientlist[nick]->server, server,256);
2196         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2197         strlcpy(clientlist[nick]->fullname, gecos,128);
2198         clientlist[nick]->signon = TS;
2199         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2200         clientlist[nick]->lastping = 1;
2201         clientlist[nick]->port = 0; // so is this...
2202         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2203         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2204         for (int i = 0; i < MAXCHANS; i++)
2205         {
2206                 clientlist[nick]->chans[i].channel = NULL;
2207                 clientlist[nick]->chans[i].uc_modes = 0;
2208         }
2209 }
2210
2211 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2212 {
2213         long tdiff = TIME - atoi(params);
2214         if (tdiff)
2215                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2216 }
2217
2218 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2219 {
2220         char* nick = strtok(params," :");
2221         char* gecos = strtok(NULL,"\r\n");
2222
2223         userrec* user = Find(nick);
2224
2225         if (user)
2226                 strlcpy(user->fullname,gecos,MAXBUF);
2227 }
2228
2229 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2230 {
2231         char* nick = strtok(params," ");
2232         char* host = strtok(NULL," ");
2233
2234         userrec* user = Find(nick);
2235
2236         if (user)
2237                 strlcpy(user->dhost,host,160);
2238 }
2239
2240 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2241 {
2242         // %s %s %d %d
2243         // + test3.chatspike.net 7010 -2016508415
2244         char* servername = strtok(params," ");
2245         char* ipaddr = strtok(NULL," ");
2246         char* ipport = strtok(NULL," ");
2247         char* cookie = strtok(NULL," ");
2248         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2249
2250
2251         bool conn_already = false;
2252         for (int i = 0; i < 32; i++)
2253         {
2254                 if (me[i] != NULL)
2255                 {
2256                         for (int j = 0; j < me[i]->connectors.size(); j++)
2257                         {
2258                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2259                                 {
2260                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2261                                         {
2262                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2263                                                 conn_already = true;
2264                                         }
2265                                 }
2266                         }
2267                 }
2268         }
2269         if (!conn_already)
2270                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2271 }
2272
2273 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2274 {
2275         char* server = strtok(params," ");
2276         char* data = strtok(NULL,"\r\n");
2277         if ((!data) || (!server))
2278         {
2279                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2280                 return;
2281         }
2282
2283         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2284         NetSendToOne(server,data);
2285 }
2286
2287 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2288 {
2289         // IMPORTANT NOTE
2290         // The J token currently has no timestamp - this needs looking at
2291         // because it will allow splitriding.
2292         char* nick = strtok(params," ");
2293         char* channel = strtok(NULL," ");
2294         userrec* user = Find(nick);
2295         while (channel)
2296         {
2297                 if ((user != NULL) && (strcmp(channel,"")))
2298                 {
2299                         char privilage = '\0';
2300                         if (channel[0] != '#')
2301                         {
2302                                 privilage = channel[0];
2303                                 channel++;
2304                         }
2305                         add_channel(user,channel,"",true);
2306
2307                         // now work out the privilages they should have on each channel
2308                         // and send the appropriate servermodes.
2309                         for (int i = 0; i != MAXCHANS; i++)
2310                         {
2311                                 if (user->chans[i].channel)
2312                                 {
2313                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2314                                         {
2315                                                 if (privilage == '@')
2316                                                 {
2317                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2318                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2319                                                 }
2320                                                 if (privilage == '%')
2321                                                 {
2322                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2323                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2324                                                 }
2325                                                 if (privilage == '+')
2326                                                 {
2327                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2328                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2329                                                 }
2330                                         }
2331                                 }
2332                         }
2333
2334                 }
2335                 channel = strtok(NULL," ");
2336         }
2337 }
2338
2339 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2340 {
2341         log(DEBUG,"Storing routing table...");
2342         char* sourceserver = strtok(params," ");
2343         char* server = strtok(NULL," ");
2344         for (int i = 0; i < 32; i++)
2345         {
2346                 if (me[i] != NULL)
2347                 {
2348                         for (int j = 0; j < me[i]->connectors.size(); j++)
2349                         {
2350                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2351                                 {
2352                                         me[i]->connectors[j].routes.clear();
2353                                         log(DEBUG,"Found entry for source server.");
2354                                         while (server)
2355                                         {
2356                                                 // store each route
2357                                                 me[i]->connectors[j].routes.push_back(server);
2358                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2359                                                 server = strtok(NULL," ");
2360                                         }
2361                                         return;
2362                                 }
2363                         }
2364                 }
2365         }
2366         log(DEBUG,"Warning! routing table received from nonexistent server!");
2367 }
2368
2369 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2370 {
2371         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2372         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2373         bool go_again = true;
2374         while (go_again)
2375         {
2376                 go_again = false;
2377                 for (int i = 0; i < 32; i++)
2378                 {
2379                         if (me[i] != NULL)
2380                         {
2381                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2382                                 {
2383                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2384                                         {
2385                                                 j->routes.clear();
2386                                                 j->CloseConnection();
2387                                                 me[i]->connectors.erase(j);
2388                                                 go_again = true;
2389                                                 break;
2390                                         }
2391                                 }
2392                         }
2393                 }
2394         }
2395         log(DEBUG,"Removed server. Will remove clients...");
2396         // iterate through the userlist and remove all users on this server.
2397         // because we're dealing with a mesh, we dont have to deal with anything
2398         // "down-route" from this server (nice huh)
2399         go_again = true;
2400         char reason[MAXBUF];
2401         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2402         while (go_again)
2403         {
2404                 go_again = false;
2405                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2406                 {
2407                         if (!strcasecmp(u->second->server,params))
2408                         {
2409                                 kill_link(u->second,reason);
2410                                 go_again = true;
2411                                 break;
2412                         }
2413                 }
2414         }
2415 }
2416
2417 long authcookie;
2418
2419 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2420 {
2421         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2422         log(DEBUG,"Adding G-line");
2423         char* mask = strtok(params," ");
2424         char* who = strtok(NULL," ");
2425         char* create_time = strtok(NULL," ");
2426         char* duration = strtok(NULL," :");
2427         char* reason = strtok(NULL,"\r\n");
2428         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2429         // we must update the creation time on this gline
2430         // now that we've added it, or it wont expire at the right time.
2431         gline_set_creation_time(mask,atoi(create_time));
2432         if (!atoi(duration))
2433         {
2434                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2435         }
2436         else
2437         {
2438                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2439         }
2440         apply_lines();
2441 }
2442
2443 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2444 {
2445         log(DEBUG,"Removing G-line");
2446         char* mask = strtok(params," ");
2447         char* who = strtok(NULL," ");
2448         if (mask)
2449         {
2450                 if (del_gline((const char*)mask))
2451                 {
2452                         if (who)
2453                         {
2454                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2455                         }
2456                 }
2457         }
2458 }
2459
2460 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2461 {
2462         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2463         log(DEBUG,"Adding Q-line");
2464         char* mask = strtok(params," ");
2465         char* who = strtok(NULL," ");
2466         char* create_time = strtok(NULL," ");
2467         char* duration = strtok(NULL," :");
2468         char* reason = strtok(NULL,"\r\n");
2469         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2470         // we must update the creation time on this gline
2471         // now that we've added it, or it wont expire at the right time.
2472         qline_set_creation_time(mask,atoi(create_time));
2473         qline_make_global(mask);
2474         if (!atoi(duration))
2475         {
2476                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2477         }
2478         else
2479         {
2480                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2481         }
2482         apply_lines();
2483 }
2484
2485 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2486 {
2487         log(DEBUG,"Removing Q-line");
2488         char* mask = strtok(params," ");
2489         char* who = strtok(NULL," ");
2490         if (mask)
2491         {
2492                 if (del_qline((const char*)mask))
2493                 {
2494                         if (who)
2495                         {
2496                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2497                         }
2498                 }
2499         }
2500 }
2501
2502 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2503 {
2504         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2505         log(DEBUG,"Adding Z-line");
2506         char* mask = strtok(params," ");
2507         char* who = strtok(NULL," ");
2508         char* create_time = strtok(NULL," ");
2509         char* duration = strtok(NULL," :");
2510         char* reason = strtok(NULL,"\r\n");
2511         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2512         // we must update the creation time on this gline
2513         // now that we've added it, or it wont expire at the right time.
2514         zline_set_creation_time(mask,atoi(create_time));
2515         zline_make_global(mask);
2516         if (!atoi(duration))
2517         {
2518                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2519         }
2520         else
2521         {
2522                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2523         }
2524         apply_lines();
2525 }
2526
2527 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2528 {
2529         log(DEBUG,"Removing Z-line");
2530         char* mask = strtok(params," ");
2531         char* who = strtok(NULL," ");
2532         if (mask)
2533         {
2534                 if (del_zline((const char*)mask))
2535                 {
2536                         if (who)
2537                         {
2538                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2539                         }
2540                 }
2541         }
2542 }
2543
2544 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2545 {
2546         char* nick = strtok(params," ");
2547         char* type = strtok(params," ");
2548         userrec* u = Find(nick);
2549         if (u)
2550         {
2551                 strlcpy(u->oper,type,NICKMAX);
2552         }
2553 }
2554
2555
2556 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2557 {
2558         char buffer[MAXBUF];
2559         int MOD_RESULT = 0;
2560
2561         switch(token)
2562         {
2563                 // Y <TS>
2564                 // start netburst
2565                 case 'Y':
2566                         nb_start = TIME;
2567                         WriteOpers("Server %s is starting netburst.",tcp_host);
2568                         // now broadcast this new servers address out to all servers that are linked to us,
2569                         // except the newcomer. They'll all attempt to connect back to it.
2570                         authcookie = rand()*rand();
2571                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2572                         NetSendToAll(buffer);
2573                 break;
2574                 // ~
2575                 // Store authcookie
2576                 // once stored, this authcookie permits other servers to log in
2577                 // without user or password, using it.
2578                 case '~':
2579                         auth_cookies.push_back(atoi(params));
2580                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2581                 break;
2582                 // connect back to a server using an authcookie
2583                 case '+':
2584                         handle_plus(token,params,source,reply,tcp_host);
2585                 break;
2586                 // routing table
2587                 case '$':
2588                         handle_dollar(token,params,source,reply,tcp_host);
2589                 break;
2590                 // node unreachable - we cant route to a server, sooooo we slit it off.
2591                 // servers can generate these for themselves for an squit.
2592                 case '&':
2593                         handle_amp(token,params,source,reply,tcp_host);
2594                 break;
2595                 // R <server> <data>
2596                 // redirect token, send all of <data> along to the given
2597                 // server as this server has been found to still have a route to it
2598                 case 'R':
2599                         handle_R(token,params,source,reply,tcp_host);
2600                 break;
2601                 // ?
2602                 // ping
2603                 case '?':
2604                         reply->SendPacket("!",tcp_host);
2605                 break;
2606                 // ?
2607                 // pong
2608                 case '!':
2609                 break;
2610                 // *
2611                 // no operation
2612                 case '*':
2613                 break;
2614                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2615                 // introduce remote client
2616                 case 'N':
2617                         handle_N(token,params,source,reply,tcp_host);
2618                 break;
2619                 // a <NICK> :<GECOS>
2620                 // change GECOS (SETNAME)
2621                 case 'a':
2622                         handle_a(token,params,source,reply,tcp_host);
2623                 break;
2624                 // b <NICK> :<HOST>
2625                 // change displayed host (SETHOST)
2626                 case 'b':
2627                         handle_b(token,params,source,reply,tcp_host);
2628                 break;
2629                 // t <NICK> <CHANNEL> :<TOPIC>
2630                 // change a channel topic
2631                 case 't':
2632                         handle_t(token,params,source,reply,tcp_host);
2633                 break;
2634                 // i <NICK> <CHANNEL>
2635                 // invite a user to a channel
2636                 case 'i':
2637                         handle_i(token,params,source,reply,tcp_host);
2638                 break;
2639                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2640                 // kick a user from a channel
2641                 case 'k':
2642                         handle_k(token,params,source,reply,tcp_host);
2643                 break;
2644                 // n <NICK> <NEWNICK>
2645                 // change nickname of client -- a server should only be able to
2646                 // change the nicknames of clients that reside on it unless
2647                 // they are ulined.
2648                 case 'n':
2649                         handle_n(token,params,source,reply,tcp_host);
2650                 break;
2651                 // J <NICK> <CHANLIST>
2652                 // Join user to channel list, merge channel permissions
2653                 case 'J':
2654                         handle_J(token,params,source,reply,tcp_host);
2655                 break;
2656                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2657                 // change channel topic (netburst only)
2658                 case 'T':
2659                         handle_T(token,params,source,reply,tcp_host);
2660                 break;
2661                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2662                 // Server setting modes on an object
2663                 case 'M':
2664                         handle_M(token,params,source,reply,tcp_host);
2665                 break;
2666                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2667                 // User setting modes on an object
2668                 case 'm':
2669                         handle_m(token,params,source,reply,tcp_host);
2670                 break;
2671                 // P <SOURCE> <TARGET> :<TEXT>
2672                 // Send a private/channel message
2673                 case 'P':
2674                         handle_P(token,params,source,reply,tcp_host);
2675                 break;
2676                 // V <SOURCE> <TARGET> :<TEXT>
2677                 // Send a private/channel notice
2678                 case 'V':
2679                         handle_V(token,params,source,reply,tcp_host);
2680                 break;
2681                 // L <SOURCE> <CHANNEL> :<REASON>
2682                 // User parting a channel
2683                 case 'L':
2684                         handle_L(token,params,source,reply,tcp_host);
2685                 break;
2686                 // Q <SOURCE> :<REASON>
2687                 // user quitting
2688                 case 'Q':
2689                         handle_Q(token,params,source,reply,tcp_host);
2690                 break;
2691                 // H <SERVER>
2692                 // introduce non-meshable server (such as a services server)
2693                 case 'H':
2694                         handle_H(token,params,source,reply,tcp_host);
2695                 break;
2696                 // K <SOURCE> <DEST> :<REASON>
2697                 // remote kill
2698                 case 'K':
2699                         handle_K(token,params,source,reply,tcp_host);
2700                 break;
2701                 // @ <SOURCE> :<TEXT>
2702                 // wallops
2703                 case '@':
2704                         handle_AT(token,params,source,reply,tcp_host);
2705                 break;
2706                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2707                 // add gline
2708                 case '#':
2709                         handle_hash(token,params,source,reply,tcp_host);
2710                 break;
2711                 // . <mask> <who>
2712                 // remove gline
2713                 case '.':
2714                         handle_dot(token,params,source,reply,tcp_host);
2715                 break;
2716                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2717                 // add gline
2718                 case '{':
2719                         handle_add_sqline(token,params,source,reply,tcp_host);
2720                 break;
2721                 // . <mask> <who>
2722                 // remove gline
2723                 case '[':
2724                         handle_del_sqline(token,params,source,reply,tcp_host);
2725                 break;
2726                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2727                 // add gline
2728                 case '}':
2729                         handle_add_szline(token,params,source,reply,tcp_host);
2730                 break;
2731                 // . <mask> <who>
2732                 // remove gline
2733                 case ']':
2734                         handle_del_szline(token,params,source,reply,tcp_host);
2735                 break;
2736                 // | <nick> <opertype>
2737                 // set opertype
2738                 case '|':
2739                         handle_pipe(token,params,source,reply,tcp_host);
2740                 break;
2741                 // F <TS>
2742                 // end netburst
2743                 case 'F':
2744                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2745                         handle_F(token,params,source,reply,tcp_host);
2746                         nb_start = 0;
2747                         // tell all the other servers to use this authcookie to connect back again
2748                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2749                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2750                         NetSendToAllExcept(tcp_host,buffer);
2751                 break;
2752                 case '/':
2753                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2754                         strlcpy(source->nickserv,params,NICKMAX);
2755                 break;
2756                 // F <TS>
2757                 // end netburst with no mesh creation
2758                 case 'f':
2759                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2760                         handle_F(token,params,source,reply,tcp_host);
2761                         nb_start = 0;
2762                         // tell everyone else about the new server name so they just add it in the disconnected
2763                         // state
2764                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2765                         NetSendToAllExcept(tcp_host,buffer);
2766                 break;
2767                 // X <reserved>
2768                 // Send netburst now
2769                 case 'X':
2770                         WriteOpers("Sending my netburst to %s",tcp_host);
2771                         DoSync(source,tcp_host);
2772                         WriteOpers("Send of netburst to %s completed",tcp_host);
2773                         NetSendMyRoutingTable();
2774                 break;
2775                 // anything else
2776                 default:
2777                         MOD_RESULT = 0;
2778                         string_list s;
2779                         char* data = strtok(params," ");
2780                         while (data)
2781                         {
2782                                 if (*data == ':')
2783                                 {
2784                                         // the last item is a special case
2785                                         data++;
2786                                         char datalast[MAXBUF];
2787                                         strlcpy(datalast,data,MAXBUF);
2788                                         data = strtok(NULL," ");
2789                                         while (data)
2790                                         {
2791                                                 strlcpy(datalast," ",MAXBUF);
2792                                                 strlcpy(datalast,data,MAXBUF);
2793                                                 data = strtok(NULL," ");
2794                                         }
2795                                         s.push_back(data);
2796                                         break;
2797                                 }
2798                                 s.push_back(data);
2799                                 data = strtok(NULL," ");
2800                         }
2801                         FOREACH_RESULT(OnMeshToken(token,s,source,reply,tcp_host,ipaddr,port));
2802                         if (!MOD_RESULT)
2803                                 WriteOpers("WARNING! Unknown datagram type '%c'",token);
2804                 break;
2805         }
2806 }
2807
2808
2809 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2810 {
2811         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2812         {
2813                 // a user on a server port, just close their connection.
2814                 RemoveServer(tcp_host);
2815                 return;
2816         }
2817
2818         char response[10240];
2819         char token = udp_msg[0];
2820         char* old = udp_msg;
2821
2822         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2823         {
2824                 char* src = udp_msg+1;
2825                 while (udp_msg[0] != ' ')
2826                         udp_msg++;
2827                 udp_msg[0] = 0;
2828                 udp_msg++;
2829                 char* comd = udp_msg;
2830                 while (udp_msg[0] != ' ')
2831                         udp_msg++;
2832                 udp_msg[0] = 0;
2833                 udp_msg++;
2834                 char data[MAXBUF];
2835                 char source[MAXBUF];
2836                 char command[MAXBUF];
2837                 strlcpy(data,udp_msg,512);
2838                 strlcpy(source,src,MAXBUF);
2839                 strlcpy(command,comd,MAXBUF);
2840                 udp_msg = old;
2841
2842                 // unused numeric:
2843                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2844                 if (!strcmp(command,"433"))
2845                 {
2846                         token = '*';
2847                 }
2848                 if (!strcmp(command,"432"))
2849                 {
2850                         token = '*';
2851                 }
2852                 if (!strcmp(command,"PING"))
2853                 {
2854                         token = '*';
2855                 }
2856                 if (!strcmp(command,"NOTICE"))
2857                 {
2858                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2859                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2860                         token = udp_msg[0];
2861                 }
2862                 if (!strcmp(command,"QUIT"))
2863                 {
2864                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2865                         {
2866                                 strcpy(data,":No reason");
2867                         }
2868                         if (!strcmp(data,":"))
2869                         {
2870                                 strcpy(data,":No reason");
2871                         }
2872                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2873                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2874                         token = udp_msg[0];
2875                 }
2876                 if (!strcmp(command,"SQUIT"))
2877                 {
2878                         snprintf(udp_msg,MAXBUF,"& %s",source);
2879                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2880                         token = udp_msg[0];
2881                 }
2882                 if (!strcmp(command,"SVSMODE"))
2883                 {
2884                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2885                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2886                         token = udp_msg[0];
2887                 }
2888                 if (!strcmp(command,"SVS2MODE"))
2889                 {
2890                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2891                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2892                         token = udp_msg[0];
2893                 }
2894                 // todo: this wont work without u:lines
2895                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2896                 if (!strcmp(command,"MODE"))
2897                 {
2898                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2899                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2900                         token = udp_msg[0];
2901                 }
2902                 if (!strcmp(command,"KICK"))
2903                 {
2904                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2905                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2906                         token = udp_msg[0];
2907                 }
2908                 if (!strcmp(command,"KILL"))
2909                 {
2910                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2911                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2912                         token = udp_msg[0];
2913                 }
2914                 if (!strcmp(command,"SVSJOIN"))
2915                 {
2916                         snprintf(udp_msg,MAXBUF,"J %s",data);
2917                         NetSendToOne(tcp_host,udp_msg);
2918                         char* nick = strtok(data," ");
2919                         char* chan = strtok(NULL," ");
2920                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2921                         userrec* u = Find(nick);
2922                         if (u)
2923                         {
2924                                 add_channel(u,chan,"",true);
2925                         }
2926                         token = udp_msg[0];
2927                 }
2928
2929         }
2930
2931
2932         char* params = udp_msg + 2;
2933         char finalparam[1024];
2934         strcpy(finalparam," :xxxx");
2935         if (strstr(udp_msg," :")) {
2936                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2937         }
2938
2939
2940         if (token == '-') {
2941                 char* cookie = strtok(params," ");
2942                 char* servername = strtok(NULL," ");
2943                 char* serverdesc = finalparam+2;
2944
2945                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2946
2947                 for (int u = 0; u < auth_cookies.size(); u++)
2948                 {
2949                         if (auth_cookies[u] == atoi(cookie))
2950                         {
2951                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2952
2953
2954                                 for (int j = 0; j < 32; j++)
2955                                 {
2956                                         if (me[j] != NULL)
2957                                         {
2958                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2959                                                 {
2960                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2961                                                         {
2962                                                                 me[j]->connectors[k].SetServerName(servername);
2963                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2964                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2965                                                                 NetSendMyRoutingTable();
2966                                                                 return;
2967                                                         }
2968                                                 }
2969                                         }
2970                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2971                                         return;
2972                                 }
2973
2974
2975                                 return;
2976                         }
2977                 }
2978                 // bad cookie, bad bad! go sit in the corner!
2979                 WriteOpers("Bad cookie from %s!",servername);
2980                 return;
2981         }
2982         else
2983         if (token == 'S') {
2984                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2985                 char* servername = strtok(params," ");
2986                 char* password = strtok(NULL," ");
2987                 char* myport = strtok(NULL," ");
2988                 char* revision = strtok(NULL," ");
2989                 char* serverdesc = finalparam+2;
2990
2991                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2992
2993                 ircd_connector* cn = serv->FindHost(servername);
2994
2995                 if (cn)
2996                 {
2997                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2998                         char buffer[MAXBUF];
2999                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
3000                         serv->SendPacket(buffer,tcp_host);
3001                         RemoveServer(tcp_host);
3002                         return;
3003                 }
3004
3005                 if (atoi(revision) != GetRevision())
3006                 {
3007                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
3008                         char buffer[MAXBUF];
3009                         sprintf(buffer,"E :Version number mismatch");
3010                         serv->SendPacket(buffer,tcp_host);
3011                         RemoveServer(tcp_host);
3012                         RemoveServer(servername);
3013                         return;
3014                 }
3015
3016                 for (int j = 0; j < serv->connectors.size(); j++)
3017                 {
3018                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
3019                         {
3020                                 serv->connectors[j].SetServerName(servername);
3021                                 serv->connectors[j].SetDescription(serverdesc);
3022                                 serv->connectors[j].SetServerPort(atoi(myport));
3023                         }
3024                 }
3025
3026
3027                 char Link_ServerName[1024];
3028                 char Link_IPAddr[1024];
3029                 char Link_Port[1024];
3030                 char Link_Pass[1024];
3031                 char Link_SendPass[1024];
3032                 int LinkPort = 0;
3033
3034                 // search for a corresponding <link> block in the config files
3035                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3036                 {
3037                         ConfValue("link","name",i,Link_ServerName,&config_f);
3038                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3039                         ConfValue("link","port",i,Link_Port,&config_f);
3040                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3041                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3042                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3043                         LinkPort = atoi(Link_Port);
3044                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3045                         {
3046                                 // we have a matching link line -
3047                                 // send a 'diminutive' server message back...
3048                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3049                                 serv->SendPacket(response,servername);
3050
3051                                 for (int t = 0; t < serv->connectors.size(); t++)
3052                                 {
3053                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3054                                         {
3055                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3056                                         }
3057                                 }
3058
3059                                 return;
3060                         }
3061                 }
3062                 char buffer[MAXBUF];
3063                 sprintf(buffer,"E :Access is denied (no matching link block)");
3064                 serv->SendPacket(buffer,tcp_host);
3065                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3066                 RemoveServer(tcp_host);
3067                 RemoveServer(servername);
3068                 return;
3069         }
3070         else
3071         if (token == 's') {
3072                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3073                 char* servername = strtok(params," ");
3074                 char* password = strtok(NULL," ");
3075                 char* serverdesc = finalparam+2;
3076
3077                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3078                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3079                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3080                 // a connect, so put out an oper alert!
3081
3082                 // for now, just accept all, we'll fix that later.
3083                 WriteOpers("%s accepted our link credentials ",servername);
3084
3085                 char Link_ServerName[1024];
3086                 char Link_IPAddr[1024];
3087                 char Link_Port[1024];
3088                 char Link_Pass[1024];
3089                 char Link_SendPass[1024];
3090                 int LinkPort = 0;
3091
3092                 // search for a corresponding <link> block in the config files
3093                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3094                 {
3095                         ConfValue("link","name",i,Link_ServerName,&config_f);
3096                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3097                         ConfValue("link","port",i,Link_Port,&config_f);
3098                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3099                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3100                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3101                         LinkPort = atoi(Link_Port);
3102                         if (!strcasecmp(Link_ServerName,servername))
3103                         {
3104                                 // matching link at this end too, we're all done!
3105                                 // at this point we must begin key exchange and insert this
3106                                 // server into our 'active' table.
3107                                 for (int j = 0; j < 32; j++)
3108                                 {
3109                                         if (me[j] != NULL)
3110                                         {
3111                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3112                                                 {
3113                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3114                                                         {
3115                                                                 char buffer[MAXBUF];
3116                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3117                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3118                                                                 sprintf(buffer,"X 0");
3119                                                                 serv->SendPacket(buffer,tcp_host);
3120                                                                 DoSync(me[j],tcp_host);
3121                                                                 NetSendMyRoutingTable();
3122                                                                 return;
3123                                                         }
3124                                                 }
3125                                         }
3126                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3127                                         return;
3128                                 }
3129                         }
3130                         else {
3131                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3132                         }
3133                 }
3134                 char buffer[MAXBUF];
3135                 sprintf(buffer,"E :Access is denied (no matching link block)");
3136                 serv->SendPacket(buffer,tcp_host);
3137                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3138                 RemoveServer(tcp_host);
3139                 RemoveServer(servername);
3140                 return;
3141         }
3142         else
3143         if (token == 'U') {
3144                 // U services.chatspike.net password :ChatSpike Services
3145                 //
3146                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3147                 char* servername = strtok(params," ");
3148                 char* password = strtok(NULL," ");
3149                 char* serverdesc = finalparam+2;
3150
3151                 char Link_ServerName[1024];
3152                 char Link_IPAddr[1024];
3153                 char Link_Port[1024];
3154                 char Link_Pass[1024];
3155                 char Link_SendPass[1024];
3156                 int LinkPort = 0;
3157
3158                 log(DEBUG,"U-token linked server detected.");
3159
3160
3161                 for (int j = 0; j < 32; j++)
3162                 {
3163                         if (me[j] != NULL)
3164                         {
3165                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3166                                 {
3167                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
3168                                         {
3169                                                 char buffer[MAXBUF];
3170                                                 sprintf(buffer,"E :Access is denied (Server exists in the mesh)");
3171                                                 serv->SendPacket(buffer,tcp_host);
3172                                                 WriteOpers("CONNECT from %s denied, \"%s\" already exists!",tcp_host,servername);
3173                                                 RemoveServer(tcp_host);
3174                                                 return;
3175                                         }
3176                                 }
3177                         }
3178                 }
3179
3180                 // search for a corresponding <link> block in the config files
3181                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3182                 {
3183                         ConfValue("link","name",i,Link_ServerName,&config_f);
3184                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3185                         ConfValue("link","port",i,Link_Port,&config_f);
3186                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3187                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3188                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3189                         LinkPort = atoi(Link_Port);
3190                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3191                         {
3192                                 // matching link at this end too, we're all done!
3193                                 // at this point we must begin key exchange and insert this
3194                                 // server into our 'active' table.
3195                                 for (int j = 0; j < 32; j++)
3196                                 {
3197                                         if (me[j] != NULL)
3198                                         {
3199                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3200                                                 {
3201                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3202                                                         {
3203                                                                 char buffer[MAXBUF];
3204                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3205                                                                 me[j]->connectors[k].SetServerName(servername);
3206                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3207                                                                 sprintf(buffer,"X 0");
3208                                                                 serv->SendPacket(buffer,servername);
3209                                                                 sprintf(buffer,"s %s %s %lu :%s",ServerName,Link_SendPass,LinkPort,ServerDesc);
3210                                                                 serv->SendPacket(buffer,servername);
3211                                                                 DoSync(me[j],servername);
3212                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3213                                                                 NetSendToAllExcept(servername,buffer);
3214                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3215                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3216                                                                 NetSendMyRoutingTable();
3217                                                                 return;
3218                                                         }
3219                                                 }
3220                                         }
3221                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3222                                         return;
3223                                 }
3224                         }
3225                         else {
3226                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3227                         }
3228                 }
3229                 char buffer[MAXBUF];
3230                 sprintf(buffer,"E :Access is denied (no matching link block)");
3231                 serv->SendPacket(buffer,tcp_host);
3232                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3233                 RemoveServer(tcp_host);
3234                 RemoveServer(servername);
3235                 return;
3236         }
3237         else
3238         if (token == 'E') {
3239                 char* error_message = finalparam+2;
3240                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3241                 return;
3242         }
3243         else {
3244
3245                 serverrec* source_server = NULL;
3246
3247                 for (int j = 0; j < 32; j++)
3248                 {
3249                         if (me[j] != NULL)
3250                         {
3251                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3252                                 {
3253                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3254                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3255                                         {
3256                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3257                                                 {
3258                                                         // found a valid ircd_connector.
3259                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3260                                                         return;
3261                                                 }
3262                                         }
3263                                 }
3264                         }
3265                 }
3266
3267                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3268         }
3269 }
3270
3271 long duration(const char* str)
3272 {
3273         char n_field[MAXBUF];
3274         long total = 0;
3275         const char* str_end = str + strlen(str);
3276         n_field[0] = 0;
3277
3278         for (char* i = (char*)str; i < str_end; i++)
3279         {
3280                 // if we have digits, build up a string for the value in n_field,
3281                 // up to 10 digits in size.
3282                 if ((*i >= '0') && (*i <= '9'))
3283                 {
3284                         strlcat(n_field,i,10);
3285                 }
3286                 else
3287                 {
3288                         // we dont have a digit, check for numeric tokens
3289                         switch (tolower(*i))
3290                         {
3291                                 case 's':
3292                                         total += atoi(n_field);
3293                                 break;
3294
3295                                 case 'm':
3296                                         total += (atoi(n_field)*duration_m);
3297                                 break;
3298
3299                                 case 'h':
3300                                         total += (atoi(n_field)*duration_h);
3301                                 break;
3302
3303                                 case 'd':
3304                                         total += (atoi(n_field)*duration_d);
3305                                 break;
3306
3307                                 case 'w':
3308                                         total += (atoi(n_field)*duration_w);
3309                                 break;
3310
3311                                 case 'y':
3312                                         total += (atoi(n_field)*duration_y);
3313                                 break;
3314                         }
3315                         n_field[0] = 0;
3316                 }
3317         }
3318         // add trailing seconds
3319         total += atoi(n_field);
3320
3321         return total;
3322 }
3323
3324
3325 void handle_kline(char **parameters, int pcnt, userrec *user)
3326 {
3327         if (pcnt >= 3)
3328         {
3329                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3330                 if (!duration(parameters[1]))
3331                 {
3332                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3333                 }
3334                 else
3335                 {
3336                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3337                 }
3338         }
3339         else
3340         {
3341                 if (del_kline(parameters[0]))
3342                 {
3343                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3344                 }
3345                 else
3346                 {
3347                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3348                 }
3349         }
3350         apply_lines();
3351 }
3352
3353 void handle_eline(char **parameters, int pcnt, userrec *user)
3354 {
3355         if (pcnt >= 3)
3356         {
3357                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3358                 if (!duration(parameters[1]))
3359                 {
3360                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3361                 }
3362                 else
3363                 {
3364                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3365                 }
3366         }
3367         else
3368         {
3369                 if (del_eline(parameters[0]))
3370                 {
3371                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3372                 }
3373                 else
3374                 {
3375                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3376                 }
3377         }
3378         // no need to apply the lines for an eline
3379 }
3380
3381 void handle_gline(char **parameters, int pcnt, userrec *user)
3382 {
3383         char netdata[MAXBUF];
3384         if (pcnt >= 3)
3385         {
3386                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3387                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3388                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3389                 NetSendToAll(netdata);
3390                 if (!duration(parameters[1]))
3391                 {
3392                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3393                 }
3394                 else
3395                 {
3396                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3397                 }
3398         }
3399         else
3400         {
3401                 if (del_gline(parameters[0]))
3402                 {
3403                         // . <mask> <who-removed-it>
3404                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3405                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3406                 }
3407                 else
3408                 {
3409                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3410                 }
3411         }
3412         apply_lines();
3413 }
3414
3415 void handle_zline(char **parameters, int pcnt, userrec *user)
3416 {
3417         if (pcnt >= 3)
3418         {
3419                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3420                 if (!duration(parameters[1]))
3421                 {
3422                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3423                 }
3424                 else
3425                 {
3426                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3427                 }
3428         }
3429         else
3430         {
3431                 if (del_zline(parameters[0]))
3432                 {
3433                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3434                 }
3435                 else
3436                 {
3437                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3438                 }
3439         }
3440         apply_lines();
3441 }
3442
3443 void handle_qline(char **parameters, int pcnt, userrec *user)
3444 {
3445         if (pcnt >= 3)
3446         {
3447                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3448                 if (!duration(parameters[1]))
3449                 {
3450                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3451                 }
3452                 else
3453                 {
3454                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3455                 }
3456         }
3457         else
3458         {
3459                 if (del_qline(parameters[0]))
3460                 {
3461                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3462                 }
3463                 else
3464                 {
3465                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3466                 }
3467         }
3468         apply_lines();
3469 }
3470
3471