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%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 909                         WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,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 int operstrcmp(char* data,char* input)
1609 {
1610         int MOD_RESULT = 0;
1611         FOREACH_RESULT(OnOperCompare(data,input))
1612         if (MOD_RESULT == 1)
1613                 return 0;
1614         if (MOD_RESULT == -1)
1615                 return 1;
1616         return strcmp(data,input);
1617 }
1618
1619 void handle_oper(char **parameters, int pcnt, userrec *user)
1620 {
1621         char LoginName[MAXBUF];
1622         char Password[MAXBUF];
1623         char OperType[MAXBUF];
1624         char TypeName[MAXBUF];
1625         char HostName[MAXBUF];
1626         char TheHost[MAXBUF];
1627         int i,j;
1628         bool found = false;
1629         bool fail2 = false;
1630         char global[MAXBUF];
1631
1632         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1633
1634         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1635         {
1636                 ConfValue("oper","name",i,LoginName,&config_f);
1637                 ConfValue("oper","password",i,Password,&config_f);
1638                 ConfValue("oper","type",i,OperType,&config_f);
1639                 ConfValue("oper","host",i,HostName,&config_f);
1640                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1641                 {
1642                         fail2 = true;
1643                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1644                         {
1645                                 ConfValue("type","name",j,TypeName,&config_f);
1646
1647                                 if (!strcmp(TypeName,OperType))
1648                                 {
1649                                         /* found this oper's opertype */
1650                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1651                                         NetSendToAll(global);
1652                                         ConfValue("type","host",j,HostName,&config_f);
1653                                         ChangeDisplayedHost(user,HostName);
1654                                         strlcpy(user->oper,TypeName,NICKMAX);
1655                                         found = true;
1656                                         fail2 = false;
1657                                         break;
1658                                 }
1659                         }
1660                 }
1661                 if (found)
1662                         break;
1663         }
1664         if (found)
1665         {
1666                 /* correct oper credentials */
1667                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1668                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1669                 if (!strchr(user->modes,'o'))
1670                 {
1671                         strcat(user->modes,"o");
1672                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1673                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1674                         NetSendToAll(global);
1675                         FOREACH_MOD OnOper(user);
1676                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1677                 }
1678         }
1679         else
1680         {
1681                 if (!fail2)
1682                 {
1683                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1684                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1685                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1686                 }
1687                 else
1688                 {
1689                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1690                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1691                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1692                 }
1693         }
1694         return;
1695 }
1696
1697 void handle_nick(char **parameters, int pcnt, userrec *user)
1698 {
1699         if (pcnt < 1)
1700         {
1701                 log(DEBUG,"not enough params for handle_nick");
1702                 return;
1703         }
1704         if (!parameters[0])
1705         {
1706                 log(DEBUG,"invalid parameter passed to handle_nick");
1707                 return;
1708         }
1709         if (!strlen(parameters[0]))
1710         {
1711                 log(DEBUG,"zero length new nick passed to handle_nick");
1712                 return;
1713         }
1714         if (!user)
1715         {
1716                 log(DEBUG,"invalid user passed to handle_nick");
1717                 return;
1718         }
1719         if (!user->nick)
1720         {
1721                 log(DEBUG,"invalid old nick passed to handle_nick");
1722                 return;
1723         }
1724         if (!strcasecmp(user->nick,parameters[0]))
1725         {
1726                 log(DEBUG,"old nick is new nick, skipping");
1727                 return;
1728         }
1729         else
1730         {
1731                 if (strlen(parameters[0]) > 1)
1732                 {
1733                         if (parameters[0][0] == ':')
1734                         {
1735                                 *parameters[0]++;
1736                         }
1737                 }
1738                 if (matches_qline(parameters[0]))
1739                 {
1740                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1741                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1742                         return;
1743                 }
1744                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1745                 {
1746                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1747                         return;
1748                 }
1749         }
1750         if (isnick(parameters[0]) == 0)
1751         {
1752                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1753                 return;
1754         }
1755
1756         if (user->registered == 7)
1757         {
1758                 int MOD_RESULT = 0;
1759                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1760                 if (MOD_RESULT) {
1761                         // if a module returns true, the nick change is silently forbidden.
1762                         return;
1763                 }
1764
1765                 WriteCommon(user,"NICK %s",parameters[0]);
1766
1767                 // Q token must go to ALL servers!!!
1768                 char buffer[MAXBUF];
1769                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1770                 NetSendToAll(buffer);
1771         }
1772
1773         char oldnick[NICKMAX];
1774         strlcpy(oldnick,user->nick,NICKMAX);
1775
1776         /* change the nick of the user in the users_hash */
1777         user = ReHashNick(user->nick, parameters[0]);
1778         /* actually change the nick within the record */
1779         if (!user) return;
1780         if (!user->nick) return;
1781
1782         strlcpy(user->nick, parameters[0],NICKMAX);
1783
1784         log(DEBUG,"new nick set: %s",user->nick);
1785
1786         if (user->registered < 3)
1787         {
1788                 user->registered = (user->registered | 2);
1789                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1790                 // and unless we're lucky we'll get a duff one later on.
1791                 user->dns_done = (!lookup_dns(user->nick));
1792                 if (user->dns_done)
1793                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1794         }
1795         if (user->registered == 3)
1796         {
1797                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1798                 FOREACH_MOD OnUserRegister(user);
1799                 ConnectUser(user);
1800         }
1801         if (user->registered == 7)
1802         {
1803                 FOREACH_MOD OnUserPostNick(user,oldnick);
1804         }
1805 }
1806
1807
1808
1809 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1810 {
1811         char* src = strtok(params," ");
1812         char* dest = strtok(NULL," :");
1813         char* text = strtok(NULL,"\r\n");
1814         text++;
1815
1816         userrec* user = Find(src);
1817         if (user)
1818         {
1819                 userrec* dst = Find(dest);
1820
1821                 if (dst)
1822                 {
1823                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1824                 }
1825                 else
1826                 {
1827                         chanrec* d = FindChan(dest);
1828                         if (d)
1829                         {
1830                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1831                         }
1832                 }
1833         }
1834
1835 }
1836
1837
1838 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1839 {
1840         char* src = strtok(params," ");
1841         char* dest = strtok(NULL," :");
1842         char* text = strtok(NULL,"\r\n");
1843         text++;
1844
1845         userrec* user = Find(src);
1846         if (user)
1847         {
1848                 userrec* dst = Find(dest);
1849
1850                 if (dst)
1851                 {
1852                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1853                 }
1854                 else
1855                 {
1856                         chanrec* d = FindChan(dest);
1857                         if (d)
1858                         {
1859                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1860                         }
1861                 }
1862         }
1863
1864 }
1865
1866 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1867 {
1868         char* nick = strtok(params," ");
1869         char* from = strtok(NULL," ");
1870         char* channel = strtok(NULL," ");
1871         userrec* u = Find(nick);
1872         userrec* user = Find(from);
1873         chanrec* c = FindChan(channel);
1874         if ((c) && (u) && (user))
1875         {
1876                 u->InviteTo(c->name);
1877                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1878         }
1879 }
1880
1881 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1882 {
1883         char* setby = strtok(params," ");
1884         char* channel = strtok(NULL," :");
1885         char* topic = strtok(NULL,"\r\n");
1886         topic++;
1887         userrec* u = Find(setby);
1888         chanrec* c = FindChan(channel);
1889         if ((c) && (u))
1890         {
1891                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1892                 strlcpy(c->topic,topic,MAXTOPIC);
1893                 strlcpy(c->setby,u->nick,NICKMAX);
1894                 c->topicset = TIME;
1895         }
1896 }
1897
1898
1899 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1900 {
1901         char* tm = strtok(params," ");
1902         char* setby = strtok(NULL," ");
1903         char* channel = strtok(NULL," :");
1904         char* topic = strtok(NULL,"\r\n");
1905         topic++;
1906         time_t TS = atoi(tm);
1907         chanrec* c = FindChan(channel);
1908         if (c)
1909         {
1910                 // in the case of topics and TS, the *NEWER*
1911                 if (TS <= c->topicset)
1912                 {
1913                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1914                         strlcpy(c->topic,topic,MAXTOPIC);
1915                         strlcpy(c->setby,setby,NICKMAX);
1916                 }
1917         }
1918 }
1919
1920 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1921 {
1922         char* pars[128];
1923         char original[MAXBUF],target[MAXBUF];
1924         strlcpy(original,params,MAXBUF);
1925         int index = 0;
1926         char* parameter = strtok(params," ");
1927         strlcpy(target,parameter,MAXBUF);
1928         while (parameter)
1929         {
1930                 if (parameter[0] == ':')
1931                         parameter++;
1932                 pars[index++] = parameter;
1933                 parameter = strtok(NULL," ");
1934         }
1935         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1936         merge_mode(pars,index);
1937         if (FindChan(target))
1938         {
1939                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1940         }
1941         if (Find(target))
1942         {
1943                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1944         }
1945 }
1946
1947 // m is modes set by users only (not servers) valid targets are channels or users.
1948
1949 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1950 {
1951         // m blah #chatspike +b *!test@*4
1952         char* pars[128];
1953         char original[MAXBUF];
1954         strlcpy(original,params,MAXBUF);
1955
1956         if (!strchr(params,' '))
1957         {
1958                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1959                 return;
1960         }
1961
1962         int index = 0;
1963
1964         char* src = strtok(params," ");
1965         userrec* user = Find(src);
1966
1967         if (user)
1968         {
1969                 log(DEBUG,"Found user: %s",user->nick);
1970                 char* parameter = strtok(NULL," ");
1971                 while (parameter)
1972                 {
1973                         pars[index++] = parameter;
1974                         parameter = strtok(NULL," ");
1975                 }
1976
1977                 log(DEBUG,"Calling merge_mode2");
1978                 merge_mode2(pars,index,user);
1979         }
1980 }
1981
1982
1983 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1984 {
1985         char* nick = NULL;
1986         char* channel = NULL;
1987         char* reason = NULL;
1988         log(DEBUG,"L TOKEN PARS: '%s'",params);
1989         if (strstr(params,":#"))
1990         {
1991                 nick = strtok(params," ");
1992                 channel = strtok(NULL,"\r\n");
1993                 channel++;
1994                 reason = "";
1995         }
1996         else
1997         {
1998                 nick = strtok(params," ");
1999                 channel = strtok(NULL," :");
2000                 reason = strtok(NULL,"\r\n");
2001                 reason++;
2002         }
2003         userrec* user = Find(nick);
2004         if ((user) && (channel) && (reason))
2005         {
2006                 if ((!reason) && (*reason != '\0'))
2007                 {
2008                         del_channel(user,channel,reason,true);
2009                 }
2010                 else
2011                 {
2012                         del_channel(user,channel,NULL,true);
2013                 }
2014         }
2015 }
2016
2017 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2018 {
2019         char* src = strtok(params," ");
2020         char* nick = strtok(NULL," :");
2021         char* reason = strtok(NULL,"\r\n");
2022         char kreason[MAXBUF];
2023         reason++;
2024
2025         userrec* u = Find(nick);
2026         userrec* user = Find(src);
2027
2028         if ((user) && (u))
2029         {
2030                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2031                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2032                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
2033                 kill_link(u,kreason);
2034         }
2035 }
2036
2037 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2038 {
2039         char* nick = strtok(params," :");
2040         char* reason = strtok(NULL,"\r\n");
2041         reason++;
2042
2043         userrec* user = Find(nick);
2044
2045         if (user)
2046         {
2047                 if (strlen(reason)>MAXQUIT)
2048                 {
2049                         reason[MAXQUIT-1] = '\0';
2050                 }
2051
2052
2053                 WriteCommonExcept(user,"QUIT :%s",reason);
2054
2055                 user_hash::iterator iter = clientlist.find(user->nick);
2056
2057                 if (iter != clientlist.end())
2058                 {
2059                         log(DEBUG,"deleting user hash value %d",iter->second);
2060                         if ((iter->second) && (user->registered == 7)) {
2061                                 delete iter->second;
2062                         }
2063                         clientlist.erase(iter);
2064                 }
2065
2066                 purge_empty_chans();
2067         }
2068 }
2069
2070 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2071 {
2072         char* oldnick = strtok(params," ");
2073         char* newnick = strtok(NULL," ");
2074
2075         userrec* user = Find(oldnick);
2076
2077         if (user)
2078         {
2079                 WriteCommon(user,"NICK %s",newnick);
2080                 if (is_uline(tcp_host))
2081                 {
2082                         int MOD_RESULT = 0;
2083                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2084                         if (MOD_RESULT) {
2085                                 // if a module returns true, the nick change couldnt be allowed
2086                                 kill_link(user,"Nickname collision");
2087                                 return;
2088                         }
2089                         if (matches_qline(newnick))
2090                         {
2091                                 kill_link(user,"Nickname collision");
2092                                 return;
2093                         }
2094
2095                         // broadcast this because its a services thingy
2096                         char buffer[MAXBUF];
2097                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2098                         NetSendToAll(buffer);
2099                 }
2100                 user = ReHashNick(user->nick, newnick);
2101                 if (!user) return;
2102                 if (!user->nick) return;
2103                 strlcpy(user->nick, newnick,NICKMAX);
2104                 log(DEBUG,"new nick set: %s",user->nick);
2105         }
2106 }
2107
2108 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2109 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2110 {
2111         char* src = strtok(params," ");
2112         char* dest = strtok(NULL," ");
2113         char* channel = strtok(NULL," :");
2114         char* reason = strtok(NULL,"\r\n");
2115         reason++;
2116         userrec* s = Find(src);
2117         userrec* d = Find(dest);
2118         chanrec* c = FindChan(channel);
2119         if ((s) && (d) && (c))
2120         {
2121                 kick_channel(s,d,c,reason);
2122                 return;
2123         }
2124         d = Find(channel);
2125         c = FindChan(dest);
2126         if ((s) && (d) && (c))
2127         {
2128                 kick_channel(s,d,c,reason);
2129                 return;
2130         }
2131 }
2132
2133 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2134 {
2135         char* who = strtok(params," :");
2136         char* text = strtok(NULL,"\r\n");
2137         text++;
2138         userrec* s = Find(who);
2139         if (s)
2140         {
2141                 WriteWallOps(s,true,text);
2142         }
2143 }
2144
2145 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2146 {
2147         log(DEBUG,"Adding ULined server %s to my map",params);
2148         ircd_connector s;
2149         s.SetState(STATE_DISCONNECTED);
2150         s.SetServerName(params);
2151
2152         for (int j = 0; j < 32; j++)
2153         {
2154                 if (me[j] != NULL)
2155                 {
2156                         for (int k = 0; k < me[j]->connectors.size(); k++)
2157                         {
2158                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2159                                 {
2160                                         // dont allow a server to be added twice
2161                                         log(DEBUG,"ULined server %s already in the map!",params);
2162                                         return;
2163                                 }
2164                         }
2165                 }
2166         }
2167
2168         source->connectors.push_back(s);
2169         WriteOpers("Non-Mesh server %s has joined the network",params);
2170 }
2171
2172 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2173 {
2174         char* tm = strtok(params," ");
2175         char* nick = strtok(NULL," ");
2176         char* host = strtok(NULL," ");
2177         char* dhost = strtok(NULL," ");
2178         char* ident = strtok(NULL," ");
2179         char* modes = strtok(NULL," ");
2180         char* ipaddr = strtok(NULL," ");
2181         char* server = strtok(NULL," :");
2182         char* gecos = strtok(NULL,"\r\n");
2183         gecos++;
2184         modes++;
2185         time_t TS = atoi(tm);
2186         user_hash::iterator iter = clientlist.find(nick);
2187         if (iter != clientlist.end())
2188         {
2189                 // nick collision
2190                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2191                 char str[MAXBUF];
2192                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2193                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2194                 kill_link(iter->second,str);
2195         }
2196         clientlist[nick] = new userrec();
2197         // remote users have an fd of -1. This is so that our Write abstraction
2198         // routines know to route any messages to this record away to whatever server
2199         // theyre on.
2200         clientlist[nick]->fd = -1;
2201         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2202         strlcpy(clientlist[nick]->host, host,160);
2203         strlcpy(clientlist[nick]->dhost, dhost,160);
2204         strlcpy(clientlist[nick]->server, server,256);
2205         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2206         strlcpy(clientlist[nick]->fullname, gecos,128);
2207         clientlist[nick]->signon = TS;
2208         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2209         clientlist[nick]->lastping = 1;
2210         clientlist[nick]->port = 0; // so is this...
2211         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2212         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2213         for (int i = 0; i < MAXCHANS; i++)
2214         {
2215                 clientlist[nick]->chans[i].channel = NULL;
2216                 clientlist[nick]->chans[i].uc_modes = 0;
2217         }
2218         FOREACH_MOD OnGlobalConnect(clientlist[nick]);
2219         if (strchr(clientlist[nick]->modes,'o'))
2220         {
2221                 FOREACH_MOD OnGlobalOper(clientlist[nick]);
2222         }
2223 }
2224
2225 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2226 {
2227         long tdiff = TIME - atoi(params);
2228         if (tdiff)
2229                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2230 }
2231
2232 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2233 {
2234         char* nick = strtok(params," :");
2235         char* gecos = strtok(NULL,"\r\n");
2236
2237         userrec* user = Find(nick);
2238
2239         if (user)
2240                 strlcpy(user->fullname,gecos,MAXBUF);
2241 }
2242
2243 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2244 {
2245         char* nick = strtok(params," ");
2246         char* host = strtok(NULL," ");
2247
2248         userrec* user = Find(nick);
2249
2250         if (user)
2251                 strlcpy(user->dhost,host,160);
2252 }
2253
2254 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2255 {
2256         // %s %s %d %d
2257         // + test3.chatspike.net 7010 -2016508415
2258         char* servername = strtok(params," ");
2259         char* ipaddr = strtok(NULL," ");
2260         char* ipport = strtok(NULL," ");
2261         char* cookie = strtok(NULL," ");
2262         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2263
2264
2265         bool conn_already = false;
2266         for (int i = 0; i < 32; i++)
2267         {
2268                 if (me[i] != NULL)
2269                 {
2270                         for (int j = 0; j < me[i]->connectors.size(); j++)
2271                         {
2272                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2273                                 {
2274                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2275                                         {
2276                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2277                                                 conn_already = true;
2278                                         }
2279                                 }
2280                         }
2281                 }
2282         }
2283         if (!conn_already)
2284                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2285 }
2286
2287 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2288 {
2289         char* server = strtok(params," ");
2290         char* data = strtok(NULL,"\r\n");
2291         if ((!data) || (!server))
2292         {
2293                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2294                 return;
2295         }
2296
2297         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2298         NetSendToOne(server,data);
2299 }
2300
2301 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2302 {
2303         // IMPORTANT NOTE
2304         // The J token currently has no timestamp - this needs looking at
2305         // because it will allow splitriding.
2306         char* nick = strtok(params," ");
2307         char* channel = strtok(NULL," ");
2308         userrec* user = Find(nick);
2309         while (channel)
2310         {
2311                 if ((user != NULL) && (strcmp(channel,"")))
2312                 {
2313                         char privilage = '\0';
2314                         if (channel[0] != '#')
2315                         {
2316                                 privilage = channel[0];
2317                                 channel++;
2318                         }
2319                         add_channel(user,channel,"",true);
2320
2321                         // now work out the privilages they should have on each channel
2322                         // and send the appropriate servermodes.
2323                         for (int i = 0; i != MAXCHANS; i++)
2324                         {
2325                                 if (user->chans[i].channel)
2326                                 {
2327                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2328                                         {
2329                                                 if (privilage == '@')
2330                                                 {
2331                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2332                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2333                                                 }
2334                                                 if (privilage == '%')
2335                                                 {
2336                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2337                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2338                                                 }
2339                                                 if (privilage == '+')
2340                                                 {
2341                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2342                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2343                                                 }
2344                                         }
2345                                 }
2346                         }
2347
2348                 }
2349                 channel = strtok(NULL," ");
2350         }
2351 }
2352
2353 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2354 {
2355         log(DEBUG,"Storing routing table...");
2356         char* sourceserver = strtok(params," ");
2357         char* server = strtok(NULL," ");
2358         for (int i = 0; i < 32; i++)
2359         {
2360                 if (me[i] != NULL)
2361                 {
2362                         for (int j = 0; j < me[i]->connectors.size(); j++)
2363                         {
2364                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2365                                 {
2366                                         me[i]->connectors[j].routes.clear();
2367                                         log(DEBUG,"Found entry for source server.");
2368                                         while (server)
2369                                         {
2370                                                 // store each route
2371                                                 me[i]->connectors[j].routes.push_back(server);
2372                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2373                                                 server = strtok(NULL," ");
2374                                         }
2375                                         return;
2376                                 }
2377                         }
2378                 }
2379         }
2380         log(DEBUG,"Warning! routing table received from nonexistent server!");
2381 }
2382
2383 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2384 {
2385         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2386         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2387         bool go_again = true;
2388         while (go_again)
2389         {
2390                 go_again = false;
2391                 for (int i = 0; i < 32; i++)
2392                 {
2393                         if (me[i] != NULL)
2394                         {
2395                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2396                                 {
2397                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2398                                         {
2399                                                 j->routes.clear();
2400                                                 j->CloseConnection();
2401                                                 me[i]->connectors.erase(j);
2402                                                 go_again = true;
2403                                                 break;
2404                                         }
2405                                 }
2406                         }
2407                 }
2408         }
2409         log(DEBUG,"Removed server. Will remove clients...");
2410         // iterate through the userlist and remove all users on this server.
2411         // because we're dealing with a mesh, we dont have to deal with anything
2412         // "down-route" from this server (nice huh)
2413         go_again = true;
2414         char reason[MAXBUF];
2415         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2416         while (go_again)
2417         {
2418                 go_again = false;
2419                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2420                 {
2421                         if (!strcasecmp(u->second->server,params))
2422                         {
2423                                 kill_link(u->second,reason);
2424                                 go_again = true;
2425                                 break;
2426                         }
2427                 }
2428         }
2429 }
2430
2431 long authcookie;
2432
2433 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2434 {
2435         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2436         log(DEBUG,"Adding G-line");
2437         char* mask = strtok(params," ");
2438         char* who = strtok(NULL," ");
2439         char* create_time = strtok(NULL," ");
2440         char* duration = strtok(NULL," :");
2441         char* reason = strtok(NULL,"\r\n");
2442         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2443         // we must update the creation time on this gline
2444         // now that we've added it, or it wont expire at the right time.
2445         gline_set_creation_time(mask,atoi(create_time));
2446         if (!atoi(duration))
2447         {
2448                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2449         }
2450         else
2451         {
2452                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2453         }
2454         apply_lines();
2455 }
2456
2457 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2458 {
2459         log(DEBUG,"Removing G-line");
2460         char* mask = strtok(params," ");
2461         char* who = strtok(NULL," ");
2462         if (mask)
2463         {
2464                 if (del_gline((const char*)mask))
2465                 {
2466                         if (who)
2467                         {
2468                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2469                         }
2470                 }
2471         }
2472 }
2473
2474 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2475 {
2476         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2477         log(DEBUG,"Adding Q-line");
2478         char* mask = strtok(params," ");
2479         char* who = strtok(NULL," ");
2480         char* create_time = strtok(NULL," ");
2481         char* duration = strtok(NULL," :");
2482         char* reason = strtok(NULL,"\r\n");
2483         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2484         // we must update the creation time on this gline
2485         // now that we've added it, or it wont expire at the right time.
2486         qline_set_creation_time(mask,atoi(create_time));
2487         qline_make_global(mask);
2488         if (!atoi(duration))
2489         {
2490                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2491         }
2492         else
2493         {
2494                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2495         }
2496         apply_lines();
2497 }
2498
2499 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2500 {
2501         log(DEBUG,"Removing Q-line");
2502         char* mask = strtok(params," ");
2503         char* who = strtok(NULL," ");
2504         if (mask)
2505         {
2506                 if (del_qline((const char*)mask))
2507                 {
2508                         if (who)
2509                         {
2510                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2511                         }
2512                 }
2513         }
2514 }
2515
2516 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2517 {
2518         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2519         log(DEBUG,"Adding Z-line");
2520         char* mask = strtok(params," ");
2521         char* who = strtok(NULL," ");
2522         char* create_time = strtok(NULL," ");
2523         char* duration = strtok(NULL," :");
2524         char* reason = strtok(NULL,"\r\n");
2525         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2526         // we must update the creation time on this gline
2527         // now that we've added it, or it wont expire at the right time.
2528         zline_set_creation_time(mask,atoi(create_time));
2529         zline_make_global(mask);
2530         if (!atoi(duration))
2531         {
2532                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2533         }
2534         else
2535         {
2536                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2537         }
2538         apply_lines();
2539 }
2540
2541 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2542 {
2543         log(DEBUG,"Removing Z-line");
2544         char* mask = strtok(params," ");
2545         char* who = strtok(NULL," ");
2546         if (mask)
2547         {
2548                 if (del_zline((const char*)mask))
2549                 {
2550                         if (who)
2551                         {
2552                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2553                         }
2554                 }
2555         }
2556 }
2557
2558 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2559 {
2560         char* nick = strtok(params," ");
2561         char* type = strtok(params," ");
2562         userrec* u = Find(nick);
2563         if (u)
2564         {
2565                 strlcpy(u->oper,type,NICKMAX);
2566         }
2567 }
2568
2569
2570 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2571 {
2572         char buffer[MAXBUF];
2573         int MOD_RESULT = 0;
2574
2575         switch(token)
2576         {
2577                 // Y <TS>
2578                 // start netburst
2579                 case 'Y':
2580                         nb_start = TIME;
2581                         WriteOpers("Server %s is starting netburst.",tcp_host);
2582                         // now broadcast this new servers address out to all servers that are linked to us,
2583                         // except the newcomer. They'll all attempt to connect back to it.
2584                         authcookie = rand()*rand();
2585                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2586                         NetSendToAll(buffer);
2587                 break;
2588                 // ~
2589                 // Store authcookie
2590                 // once stored, this authcookie permits other servers to log in
2591                 // without user or password, using it.
2592                 case '~':
2593                         auth_cookies.push_back(atoi(params));
2594                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2595                 break;
2596                 // connect back to a server using an authcookie
2597                 case '+':
2598                         handle_plus(token,params,source,reply,tcp_host);
2599                 break;
2600                 // routing table
2601                 case '$':
2602                         handle_dollar(token,params,source,reply,tcp_host);
2603                 break;
2604                 // node unreachable - we cant route to a server, sooooo we slit it off.
2605                 // servers can generate these for themselves for an squit.
2606                 case '&':
2607                         handle_amp(token,params,source,reply,tcp_host);
2608                 break;
2609                 // R <server> <data>
2610                 // redirect token, send all of <data> along to the given
2611                 // server as this server has been found to still have a route to it
2612                 case 'R':
2613                         handle_R(token,params,source,reply,tcp_host);
2614                 break;
2615                 // ?
2616                 // ping
2617                 case '?':
2618                         reply->SendPacket("!",tcp_host);
2619                 break;
2620                 // ?
2621                 // pong
2622                 case '!':
2623                 break;
2624                 // *
2625                 // no operation
2626                 case '*':
2627                 break;
2628                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2629                 // introduce remote client
2630                 case 'N':
2631                         handle_N(token,params,source,reply,tcp_host);
2632                 break;
2633                 // a <NICK> :<GECOS>
2634                 // change GECOS (SETNAME)
2635                 case 'a':
2636                         handle_a(token,params,source,reply,tcp_host);
2637                 break;
2638                 // b <NICK> :<HOST>
2639                 // change displayed host (SETHOST)
2640                 case 'b':
2641                         handle_b(token,params,source,reply,tcp_host);
2642                 break;
2643                 // t <NICK> <CHANNEL> :<TOPIC>
2644                 // change a channel topic
2645                 case 't':
2646                         handle_t(token,params,source,reply,tcp_host);
2647                 break;
2648                 // i <NICK> <CHANNEL>
2649                 // invite a user to a channel
2650                 case 'i':
2651                         handle_i(token,params,source,reply,tcp_host);
2652                 break;
2653                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2654                 // kick a user from a channel
2655                 case 'k':
2656                         handle_k(token,params,source,reply,tcp_host);
2657                 break;
2658                 // n <NICK> <NEWNICK>
2659                 // change nickname of client -- a server should only be able to
2660                 // change the nicknames of clients that reside on it unless
2661                 // they are ulined.
2662                 case 'n':
2663                         handle_n(token,params,source,reply,tcp_host);
2664                 break;
2665                 // J <NICK> <CHANLIST>
2666                 // Join user to channel list, merge channel permissions
2667                 case 'J':
2668                         handle_J(token,params,source,reply,tcp_host);
2669                 break;
2670                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2671                 // change channel topic (netburst only)
2672                 case 'T':
2673                         handle_T(token,params,source,reply,tcp_host);
2674                 break;
2675                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2676                 // Server setting modes on an object
2677                 case 'M':
2678                         handle_M(token,params,source,reply,tcp_host);
2679                 break;
2680                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2681                 // User setting modes on an object
2682                 case 'm':
2683                         handle_m(token,params,source,reply,tcp_host);
2684                 break;
2685                 // P <SOURCE> <TARGET> :<TEXT>
2686                 // Send a private/channel message
2687                 case 'P':
2688                         handle_P(token,params,source,reply,tcp_host);
2689                 break;
2690                 // V <SOURCE> <TARGET> :<TEXT>
2691                 // Send a private/channel notice
2692                 case 'V':
2693                         handle_V(token,params,source,reply,tcp_host);
2694                 break;
2695                 // L <SOURCE> <CHANNEL> :<REASON>
2696                 // User parting a channel
2697                 case 'L':
2698                         handle_L(token,params,source,reply,tcp_host);
2699                 break;
2700                 // Q <SOURCE> :<REASON>
2701                 // user quitting
2702                 case 'Q':
2703                         handle_Q(token,params,source,reply,tcp_host);
2704                 break;
2705                 // H <SERVER>
2706                 // introduce non-meshable server (such as a services server)
2707                 case 'H':
2708                         handle_H(token,params,source,reply,tcp_host);
2709                 break;
2710                 // K <SOURCE> <DEST> :<REASON>
2711                 // remote kill
2712                 case 'K':
2713                         handle_K(token,params,source,reply,tcp_host);
2714                 break;
2715                 // @ <SOURCE> :<TEXT>
2716                 // wallops
2717                 case '@':
2718                         handle_AT(token,params,source,reply,tcp_host);
2719                 break;
2720                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2721                 // add gline
2722                 case '#':
2723                         handle_hash(token,params,source,reply,tcp_host);
2724                 break;
2725                 // . <mask> <who>
2726                 // remove gline
2727                 case '.':
2728                         handle_dot(token,params,source,reply,tcp_host);
2729                 break;
2730                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2731                 // add gline
2732                 case '{':
2733                         handle_add_sqline(token,params,source,reply,tcp_host);
2734                 break;
2735                 // . <mask> <who>
2736                 // remove gline
2737                 case '[':
2738                         handle_del_sqline(token,params,source,reply,tcp_host);
2739                 break;
2740                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2741                 // add gline
2742                 case '}':
2743                         handle_add_szline(token,params,source,reply,tcp_host);
2744                 break;
2745                 // . <mask> <who>
2746                 // remove gline
2747                 case ']':
2748                         handle_del_szline(token,params,source,reply,tcp_host);
2749                 break;
2750                 // | <nick> <opertype>
2751                 // set opertype
2752                 case '|':
2753                         handle_pipe(token,params,source,reply,tcp_host);
2754                 break;
2755                 // F <TS>
2756                 // end netburst
2757                 case 'F':
2758                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2759                         handle_F(token,params,source,reply,tcp_host);
2760                         nb_start = 0;
2761                         // tell all the other servers to use this authcookie to connect back again
2762                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2763                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2764                         NetSendToAllExcept(tcp_host,buffer);
2765                 break;
2766                 case '/':
2767                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2768                         strlcpy(source->nickserv,params,NICKMAX);
2769                 break;
2770                 // F <TS>
2771                 // end netburst with no mesh creation
2772                 case 'f':
2773                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2774                         handle_F(token,params,source,reply,tcp_host);
2775                         nb_start = 0;
2776                         // tell everyone else about the new server name so they just add it in the disconnected
2777                         // state
2778                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2779                         NetSendToAllExcept(tcp_host,buffer);
2780                 break;
2781                 // X <reserved>
2782                 // Send netburst now
2783                 case 'X':
2784                         WriteOpers("Sending my netburst to %s",tcp_host);
2785                         DoSync(source,tcp_host);
2786                         WriteOpers("Send of netburst to %s completed",tcp_host);
2787                         NetSendMyRoutingTable();
2788                 break;
2789                 // anything else
2790                 default:
2791                         MOD_RESULT = 0;
2792                         string_list s;
2793                         char* data = strtok(params," ");
2794                         while (data)
2795                         {
2796                                 if (*data == ':')
2797                                 {
2798                                         // the last item is a special case
2799                                         data++;
2800                                         char datalast[MAXBUF];
2801                                         strlcpy(datalast,data,MAXBUF);
2802                                         data = strtok(NULL," ");
2803                                         while (data)
2804                                         {
2805                                                 strlcpy(datalast," ",MAXBUF);
2806                                                 strlcpy(datalast,data,MAXBUF);
2807                                                 data = strtok(NULL," ");
2808                                         }
2809                                         s.push_back(data);
2810                                         break;
2811                                 }
2812                                 s.push_back(data);
2813                                 data = strtok(NULL," ");
2814                         }
2815                         FOREACH_RESULT(OnMeshToken(token,s,source,reply,tcp_host,ipaddr,port));
2816                         if (!MOD_RESULT)
2817                                 WriteOpers("WARNING! Unknown datagram type '%c'",token);
2818                 break;
2819         }
2820 }
2821
2822
2823 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2824 {
2825         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2826         {
2827                 // a user on a server port, just close their connection.
2828                 RemoveServer(tcp_host);
2829                 return;
2830         }
2831
2832         char response[10240];
2833         char old2[MAXBUF];
2834         char token = udp_msg[0];
2835         char* old = udp_msg;
2836
2837         if ((token != ':') && (strlen(udp_msg)>1) && (udp_msg[1] != ' '))
2838         {
2839                 WriteOpers("*** Discarded %d chars illegal data from %s",strlen(udp_msg),tcp_host);
2840         }
2841
2842         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2843         {
2844                 char* src = udp_msg+1;
2845                 while (udp_msg[0] != ' ')
2846                         udp_msg++;
2847                 udp_msg[0] = 0;
2848                 udp_msg++;
2849                 char* comd = udp_msg;
2850                 while (udp_msg[0] != ' ')
2851                         udp_msg++;
2852                 udp_msg[0] = 0;
2853                 udp_msg++;
2854                 char data[MAXBUF];
2855                 char source[MAXBUF];
2856                 char command[MAXBUF];
2857                 strlcpy(data,udp_msg,512);
2858                 strlcpy(source,src,MAXBUF);
2859                 strlcpy(command,comd,MAXBUF);
2860                 udp_msg = old;
2861
2862                 // unused numeric:
2863                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2864                 if (!strcmp(command,"433"))
2865                 {
2866                         token = '*';
2867                 }
2868                 if (!strcmp(command,"432"))
2869                 {
2870                         token = '*';
2871                 }
2872                 if (!strcmp(command,"PING"))
2873                 {
2874                         token = '*';
2875                 }
2876                 if (!strcmp(command,"NOTICE"))
2877                 {
2878                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2879                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2880                         token = udp_msg[0];
2881                 }
2882                 if (!strcmp(command,"QUIT"))
2883                 {
2884                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2885                         {
2886                                 strcpy(data,":No reason");
2887                         }
2888                         if (!strcmp(data,":"))
2889                         {
2890                                 strcpy(data,":No reason");
2891                         }
2892                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2893                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2894                         token = udp_msg[0];
2895                 }
2896                 if (!strcmp(command,"SQUIT"))
2897                 {
2898                         snprintf(udp_msg,MAXBUF,"& %s",source);
2899                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2900                         token = udp_msg[0];
2901                 }
2902                 if (!strcmp(command,"SVSMODE"))
2903                 {
2904                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2905                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2906                         token = udp_msg[0];
2907                 }
2908                 if (!strcmp(command,"SVS2MODE"))
2909                 {
2910                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2911                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2912                         token = udp_msg[0];
2913                 }
2914                 // todo: this wont work without u:lines
2915                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2916                 if (!strcmp(command,"MODE"))
2917                 {
2918                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2919                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2920                         token = udp_msg[0];
2921                 }
2922                 if (!strcmp(command,"KICK"))
2923                 {
2924                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2925                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2926                         token = udp_msg[0];
2927                 }
2928                 if (!strcmp(command,"KILL"))
2929                 {
2930                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2931                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2932                         token = udp_msg[0];
2933                 }
2934                 if (!strcmp(command,"SVSJOIN"))
2935                 {
2936                         snprintf(udp_msg,MAXBUF,"J %s",data);
2937                         NetSendToOne(tcp_host,udp_msg);
2938                         char* nick = strtok(data," ");
2939                         char* chan = strtok(NULL," ");
2940                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2941                         userrec* u = Find(nick);
2942                         if (u)
2943                         {
2944                                 add_channel(u,chan,"",true);
2945                         }
2946                         token = udp_msg[0];
2947                 }
2948
2949         }
2950
2951         char* params = udp_msg + 2;
2952         char finalparam[1024];
2953         strcpy(finalparam," :xxxx");
2954         if (strstr(udp_msg," :")) {
2955                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2956         }
2957
2958
2959         if (token == '-') {
2960                 char* cookie = strtok(params," ");
2961                 char* servername = strtok(NULL," ");
2962                 char* serverdesc = finalparam+2;
2963
2964                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2965
2966                 for (int u = 0; u < auth_cookies.size(); u++)
2967                 {
2968                         if (auth_cookies[u] == atoi(cookie))
2969                         {
2970                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2971
2972
2973                                 for (int j = 0; j < 32; j++)
2974                                 {
2975                                         if (me[j] != NULL)
2976                                         {
2977                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2978                                                 {
2979                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2980                                                         {
2981                                                                 me[j]->connectors[k].SetServerName(servername);
2982                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2983                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2984                                                                 NetSendMyRoutingTable();
2985                                                                 return;
2986                                                         }
2987                                                 }
2988                                         }
2989                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2990                                         return;
2991                                 }
2992
2993
2994                                 return;
2995                         }
2996                 }
2997                 // bad cookie, bad bad! go sit in the corner!
2998                 WriteOpers("Bad cookie from %s!",servername);
2999                 return;
3000         }
3001         else
3002         if (token == 'S') {
3003                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
3004                 char* servername = strtok(params," ");
3005                 char* password = strtok(NULL," ");
3006                 char* myport = strtok(NULL," ");
3007                 char* revision = strtok(NULL," ");
3008                 char* serverdesc = finalparam+2;
3009
3010                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
3011
3012                 ircd_connector* cn = serv->FindHost(servername);
3013
3014                 if (cn)
3015                 {
3016                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
3017                         char buffer[MAXBUF];
3018                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
3019                         serv->SendPacket(buffer,tcp_host);
3020                         RemoveServer(tcp_host);
3021                         return;
3022                 }
3023
3024                 if (atoi(revision) != GetRevision())
3025                 {
3026                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
3027                         char buffer[MAXBUF];
3028                         sprintf(buffer,"E :Version number mismatch");
3029                         serv->SendPacket(buffer,tcp_host);
3030                         RemoveServer(tcp_host);
3031                         RemoveServer(servername);
3032                         return;
3033                 }
3034
3035                 for (int j = 0; j < serv->connectors.size(); j++)
3036                 {
3037                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
3038                         {
3039                                 serv->connectors[j].SetServerName(servername);
3040                                 serv->connectors[j].SetDescription(serverdesc);
3041                                 serv->connectors[j].SetServerPort(atoi(myport));
3042                         }
3043                 }
3044
3045
3046                 char Link_ServerName[1024];
3047                 char Link_IPAddr[1024];
3048                 char Link_Port[1024];
3049                 char Link_Pass[1024];
3050                 char Link_SendPass[1024];
3051                 int LinkPort = 0;
3052
3053                 // search for a corresponding <link> block in the config files
3054                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3055                 {
3056                         ConfValue("link","name",i,Link_ServerName,&config_f);
3057                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3058                         ConfValue("link","port",i,Link_Port,&config_f);
3059                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3060                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3061                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3062                         LinkPort = atoi(Link_Port);
3063                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3064                         {
3065                                 // we have a matching link line -
3066                                 // send a 'diminutive' server message back...
3067                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3068                                 serv->SendPacket(response,servername);
3069
3070                                 for (int t = 0; t < serv->connectors.size(); t++)
3071                                 {
3072                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3073                                         {
3074                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3075                                         }
3076                                 }
3077
3078                                 return;
3079                         }
3080                 }
3081                 char buffer[MAXBUF];
3082                 sprintf(buffer,"E :Access is denied (no matching link block)");
3083                 serv->SendPacket(buffer,tcp_host);
3084                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3085                 RemoveServer(tcp_host);
3086                 RemoveServer(servername);
3087                 return;
3088         }
3089         else
3090         if (token == 's') {
3091                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3092                 char* servername = strtok(params," ");
3093                 char* password = strtok(NULL," ");
3094                 char* serverdesc = finalparam+2;
3095
3096                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3097                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3098                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3099                 // a connect, so put out an oper alert!
3100
3101                 // for now, just accept all, we'll fix that later.
3102                 WriteOpers("%s accepted our link credentials ",servername);
3103
3104                 char Link_ServerName[1024];
3105                 char Link_IPAddr[1024];
3106                 char Link_Port[1024];
3107                 char Link_Pass[1024];
3108                 char Link_SendPass[1024];
3109                 int LinkPort = 0;
3110
3111                 // search for a corresponding <link> block in the config files
3112                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3113                 {
3114                         ConfValue("link","name",i,Link_ServerName,&config_f);
3115                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3116                         ConfValue("link","port",i,Link_Port,&config_f);
3117                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3118                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3119                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3120                         LinkPort = atoi(Link_Port);
3121                         if (!strcasecmp(Link_ServerName,servername))
3122                         {
3123                                 // matching link at this end too, we're all done!
3124                                 // at this point we must begin key exchange and insert this
3125                                 // server into our 'active' table.
3126                                 for (int j = 0; j < 32; j++)
3127                                 {
3128                                         if (me[j] != NULL)
3129                                         {
3130                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3131                                                 {
3132                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3133                                                         {
3134                                                                 char buffer[MAXBUF];
3135                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3136                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3137                                                                 sprintf(buffer,"X 0");
3138                                                                 serv->SendPacket(buffer,tcp_host);
3139                                                                 DoSync(me[j],tcp_host);
3140                                                                 NetSendMyRoutingTable();
3141                                                                 return;
3142                                                         }
3143                                                 }
3144                                         }
3145                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3146                                         return;
3147                                 }
3148                         }
3149                         else {
3150                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3151                         }
3152                 }
3153                 char buffer[MAXBUF];
3154                 sprintf(buffer,"E :Access is denied (no matching link block)");
3155                 serv->SendPacket(buffer,tcp_host);
3156                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3157                 RemoveServer(tcp_host);
3158                 RemoveServer(servername);
3159                 return;
3160         }
3161         else
3162         if (token == 'U') {
3163                 // U services.chatspike.net password :ChatSpike Services
3164                 //
3165                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3166                 char* servername = strtok(params," ");
3167                 char* password = strtok(NULL," ");
3168                 char* serverdesc = finalparam+2;
3169
3170                 char Link_ServerName[1024];
3171                 char Link_IPAddr[1024];
3172                 char Link_Port[1024];
3173                 char Link_Pass[1024];
3174                 char Link_SendPass[1024];
3175                 int LinkPort = 0;
3176
3177                 log(DEBUG,"U-token linked server detected.");
3178
3179
3180                 for (int j = 0; j < 32; j++)
3181                 {
3182                         if (me[j] != NULL)
3183                         {
3184                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3185                                 {
3186                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
3187                                         {
3188                                                 char buffer[MAXBUF];
3189                                                 sprintf(buffer,"E :Access is denied (Server exists in the mesh)");
3190                                                 serv->SendPacket(buffer,tcp_host);
3191                                                 WriteOpers("CONNECT from %s denied, \"%s\" already exists!",tcp_host,servername);
3192                                                 RemoveServer(tcp_host);
3193                                                 return;
3194                                         }
3195                                 }
3196                         }
3197                 }
3198
3199                 // search for a corresponding <link> block in the config files
3200                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3201                 {
3202                         ConfValue("link","name",i,Link_ServerName,&config_f);
3203                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3204                         ConfValue("link","port",i,Link_Port,&config_f);
3205                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3206                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3207                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3208                         LinkPort = atoi(Link_Port);
3209                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3210                         {
3211                                 // matching link at this end too, we're all done!
3212                                 // at this point we must begin key exchange and insert this
3213                                 // server into our 'active' table.
3214                                 for (int j = 0; j < 32; j++)
3215                                 {
3216                                         if (me[j] != NULL)
3217                                         {
3218                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3219                                                 {
3220                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3221                                                         {
3222                                                                 char buffer[MAXBUF];
3223                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3224                                                                 me[j]->connectors[k].SetServerName(servername);
3225                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3226                                                                 sprintf(buffer,"X 0");
3227                                                                 serv->SendPacket(buffer,servername);
3228                                                                 sprintf(buffer,"s %s %s %lu :%s",ServerName,Link_SendPass,LinkPort,ServerDesc);
3229                                                                 serv->SendPacket(buffer,servername);
3230                                                                 DoSync(me[j],servername);
3231                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3232                                                                 NetSendToAllExcept(servername,buffer);
3233                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3234                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3235                                                                 NetSendMyRoutingTable();
3236                                                                 return;
3237                                                         }
3238                                                 }
3239                                         }
3240                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3241                                         return;
3242                                 }
3243                         }
3244                         else {
3245                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3246                         }
3247                 }
3248                 char buffer[MAXBUF];
3249                 sprintf(buffer,"E :Access is denied (no matching link block)");
3250                 serv->SendPacket(buffer,tcp_host);
3251                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3252                 RemoveServer(tcp_host);
3253                 RemoveServer(servername);
3254                 return;
3255         }
3256         else
3257         if (token == 'E') {
3258                 char* error_message = finalparam+2;
3259                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3260                 return;
3261         }
3262         else {
3263
3264                 serverrec* source_server = NULL;
3265
3266                 for (int j = 0; j < 32; j++)
3267                 {
3268                         if (me[j] != NULL)
3269                         {
3270                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3271                                 {
3272                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3273                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3274                                         {
3275                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3276                                                 {
3277                                                         // found a valid ircd_connector.
3278                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3279                                                         return;
3280                                                 }
3281                                         }
3282                                 }
3283                         }
3284                 }
3285
3286                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3287         }
3288 }
3289
3290 long duration(const char* str)
3291 {
3292         char n_field[MAXBUF];
3293         long total = 0;
3294         const char* str_end = str + strlen(str);
3295         n_field[0] = 0;
3296
3297         for (char* i = (char*)str; i < str_end; i++)
3298         {
3299                 // if we have digits, build up a string for the value in n_field,
3300                 // up to 10 digits in size.
3301                 if ((*i >= '0') && (*i <= '9'))
3302                 {
3303                         strlcat(n_field,i,10);
3304                 }
3305                 else
3306                 {
3307                         // we dont have a digit, check for numeric tokens
3308                         switch (tolower(*i))
3309                         {
3310                                 case 's':
3311                                         total += atoi(n_field);
3312                                 break;
3313
3314                                 case 'm':
3315                                         total += (atoi(n_field)*duration_m);
3316                                 break;
3317
3318                                 case 'h':
3319                                         total += (atoi(n_field)*duration_h);
3320                                 break;
3321
3322                                 case 'd':
3323                                         total += (atoi(n_field)*duration_d);
3324                                 break;
3325
3326                                 case 'w':
3327                                         total += (atoi(n_field)*duration_w);
3328                                 break;
3329
3330                                 case 'y':
3331                                         total += (atoi(n_field)*duration_y);
3332                                 break;
3333                         }
3334                         n_field[0] = 0;
3335                 }
3336         }
3337         // add trailing seconds
3338         total += atoi(n_field);
3339
3340         return total;
3341 }
3342
3343
3344 void handle_kline(char **parameters, int pcnt, userrec *user)
3345 {
3346         if (pcnt >= 3)
3347         {
3348                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3349                 if (!duration(parameters[1]))
3350                 {
3351                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3352                 }
3353                 else
3354                 {
3355                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3356                 }
3357         }
3358         else
3359         {
3360                 if (del_kline(parameters[0]))
3361                 {
3362                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3363                 }
3364                 else
3365                 {
3366                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3367                 }
3368         }
3369         apply_lines();
3370 }
3371
3372 void handle_eline(char **parameters, int pcnt, userrec *user)
3373 {
3374         if (pcnt >= 3)
3375         {
3376                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3377                 if (!duration(parameters[1]))
3378                 {
3379                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3380                 }
3381                 else
3382                 {
3383                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3384                 }
3385         }
3386         else
3387         {
3388                 if (del_eline(parameters[0]))
3389                 {
3390                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3391                 }
3392                 else
3393                 {
3394                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3395                 }
3396         }
3397         // no need to apply the lines for an eline
3398 }
3399
3400 void handle_gline(char **parameters, int pcnt, userrec *user)
3401 {
3402         char netdata[MAXBUF];
3403         if (pcnt >= 3)
3404         {
3405                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3406                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3407                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3408                 NetSendToAll(netdata);
3409                 if (!duration(parameters[1]))
3410                 {
3411                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3412                 }
3413                 else
3414                 {
3415                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3416                 }
3417         }
3418         else
3419         {
3420                 if (del_gline(parameters[0]))
3421                 {
3422                         // . <mask> <who-removed-it>
3423                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3424                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3425                 }
3426                 else
3427                 {
3428                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3429                 }
3430         }
3431         apply_lines();
3432 }
3433
3434 void handle_zline(char **parameters, int pcnt, userrec *user)
3435 {
3436         if (pcnt >= 3)
3437         {
3438                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3439                 if (!duration(parameters[1]))
3440                 {
3441                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3442                 }
3443                 else
3444                 {
3445                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3446                 }
3447         }
3448         else
3449         {
3450                 if (del_zline(parameters[0]))
3451                 {
3452                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3453                 }
3454                 else
3455                 {
3456                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3457                 }
3458         }
3459         apply_lines();
3460 }
3461
3462 void handle_qline(char **parameters, int pcnt, userrec *user)
3463 {
3464         if (pcnt >= 3)
3465         {
3466                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3467                 if (!duration(parameters[1]))
3468                 {
3469                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3470                 }
3471                 else
3472                 {
3473                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3474                 }
3475         }
3476         else
3477         {
3478                 if (del_qline(parameters[0]))
3479                 {
3480                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3481                 }
3482                 else
3483                 {
3484                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3485                 }
3486         }
3487         apply_lines();
3488 }
3489
3490