src/commands.cpp

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