src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern time_t TIME;
  95
  96 extern std::vector<int> fd_reap;
  97 extern std::vector<std::string> module_names;
  98
  99 extern char MyExecutable[1024];
 100 extern int boundPortCount;
 101 extern int portCount;
 102 extern int UDPportCount;
 103 extern int ports[MAXSOCKS];
 104 extern int defaultRoute;
 105
 106 extern std::vector<long> auth_cookies;
 107 extern std::stringstream config_f;
 108
 109 extern serverrec* me[32];
 110
 111 extern FILE *log_file;
 112
 113 extern ClassVector Classes;
 114
 115 const long duration_m = 60;
 116 const long duration_h = duration_m * 60;
 117 const long duration_d = duration_h * 24;
 118 const long duration_w = duration_d * 7;
 119 const long duration_y = duration_w * 52;
 120
 121 namespace nspace
 122 {
 123 #ifdef GCC34
 124         template<> struct hash<in_addr>
 125 #else
 126         template<> struct nspace::hash<in_addr>
 127 #endif
 128         {
 129                 size_t operator()(const struct in_addr &a) const
 130                 {
 131                         size_t q;
 132                         memcpy(&q,&a,sizeof(size_t));
 133                         return q;
 134                 }
 135         };
 136 #ifdef GCC34
 137         template<> struct hash<string>
 138 #else
 139         template<> struct nspace::hash<string>
 140 #endif
 141         {
 142                 size_t operator()(const string &s) const
 143                 {
 144                         char a[MAXBUF];
 145                         static struct hash<const char *> strhash;
 146                         strlcpy(a,s.c_str(),MAXBUF);
 147                         strlower(a);
 148                         return strhash(a);
 149                 }
 150         };
 151 }
 152
 153
 154 struct StrHashComp
 155 {
 156
 157         bool operator()(const string& s1, const string& s2) const
 158         {
 159                 char a[MAXBUF],b[MAXBUF];
 160                 strlcpy(a,s1.c_str(),MAXBUF);
 161                 strlcpy(b,s2.c_str(),MAXBUF);
 162                 return (strcasecmp(a,b) == 0);
 163         }
 164
 165 };
 166
 167 struct InAddr_HashComp
 168 {
 169
 170         bool operator()(const in_addr &s1, const in_addr &s2) const
 171         {
 172                 size_t q;
 173                 size_t p;
 174
 175                 memcpy(&q,&s1,sizeof(size_t));
 176                 memcpy(&p,&s2,sizeof(size_t));
 177
 178                 return (q == p);
 179         }
 180
 181 };
 182
 183
 184 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 185 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 186 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 187 typedef std::deque<command_t> command_table;
 188
 189
 190 extern user_hash clientlist;
 191 extern chan_hash chanlist;
 192 extern user_hash whowas;
 193 extern command_table cmdlist;
 194 extern file_cache MOTD;
 195 extern file_cache RULES;
 196 extern address_cache IP;
 197
 198
 199 void handle_join(char **parameters, int pcnt, userrec *user)
 200 {
 201         chanrec* Ptr;
 202         int i = 0;
 203
 204         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 205                 return;
 206         if (parameters[0][0] == '#')
 207         {
 208                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 209         }
 210 }
 211
 212
 213 void handle_part(char **parameters, int pcnt, userrec *user)
 214 {
 215         chanrec* Ptr;
 216
 217         if (pcnt > 1)
 218         {
 219                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 220                         return;
 221                 del_channel(user,parameters[0],parameters[1],false);
 222         }
 223         else
 224         {
 225                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 226                         return;
 227                 del_channel(user,parameters[0],NULL,false);
 228         }
 229 }
 230
 231 void handle_kick(char **parameters, int pcnt, userrec *user)
 232 {
 233         chanrec* Ptr = FindChan(parameters[0]);
 234         userrec* u   = Find(parameters[1]);
 235
 236         if ((!u) || (!Ptr))
 237         {
 238                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 239                 return;
 240         }
 241
 242         if (!has_channel(user,Ptr))
 243         {
 244                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 245                 return;
 246         }
 247
 248         char reason[MAXBUF];
 249
 250         if (pcnt > 2)
 251         {
 252                 strlcpy(reason,parameters[2],MAXBUF);
 253                 if (strlen(reason)>MAXKICK)
 254                 {
 255                         reason[MAXKICK-1] = '\0';
 256                 }
 257
 258                 kick_channel(user,u,Ptr,reason);
 259         }
 260         else
 261         {
 262                 strlcpy(reason,user->nick,MAXBUF);
 263                 kick_channel(user,u,Ptr,reason);
 264         }
 265
 266         // this must be propogated so that channel membership is kept in step network-wide
 267         char buffer[MAXBUF];
 268         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 269         NetSendToAll(buffer);
 270 }
 271
 272 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 273 {
 274         if (LoadModule(parameters[0]))
 275         {
 276                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 277                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 278         }
 279         else
 280         {
 281                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 282         }
 283 }
 284
 285 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 286 {
 287         if (UnloadModule(parameters[0]))
 288         {
 289                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 290                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 291         }
 292         else
 293         {
 294                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 295         }
 296 }
 297
 298 void handle_die(char **parameters, int pcnt, userrec *user)
 299 {
 300         log(DEBUG,"die: %s",user->nick);
 301         if (!strcmp(parameters[0],diepass))
 302         {
 303                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 304                 sleep(DieDelay);
 305                 Exit(ERROR);
 306         }
 307         else
 308         {
 309                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 310         }
 311 }
 312
 313 void handle_restart(char **parameters, int pcnt, userrec *user)
 314 {
 315         char restart[1024];
 316         char *argv[32];
 317         log(DEFAULT,"Restart: %s",user->nick);
 318         if (!strcmp(parameters[0],restartpass))
 319         {
 320                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 321
 322                 argv[0] = MyExecutable;
 323                 argv[1] = "-wait";
 324                 if (nofork)
 325                 {
 326                         argv[2] = "-nofork";
 327                 }
 328                 else
 329                 {
 330                         argv[2] = NULL;
 331                 }
 332                 argv[3] = NULL;
 333
 334                 // close ALL file descriptors
 335                 send_error("Server restarting.");
 336                 sleep(1);
 337                 for (int i = 0; i < 65536; i++)
 338                 {
 339                         int on = 0;
 340                         struct linger linger = { 0 };
 341                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 342                         linger.l_onoff = 1;
 343                         linger.l_linger = 0;
 344                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 345                         Blocking(i);
 346                         close(i);
 347                 }
 348                 sleep(5);
 349
 350                 execv(MyExecutable,argv);
 351
 352                 exit(0);
 353         }
 354         else
 355         {
 356                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 357         }
 358 }
 359
 360 void handle_kill(char **parameters, int pcnt, userrec *user)
 361 {
 362         userrec *u = Find(parameters[0]);
 363         char killreason[MAXBUF];
 364
 365         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 366         if (u)
 367         {
 368                 log(DEBUG,"into kill mechanism");
 369                 int MOD_RESULT = 0;
 370                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 371                 if (MOD_RESULT) {
 372                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 373                         return;
 374                 }
 375
 376                 if (strcmp(ServerName,u->server))
 377                 {
 378                         // remote kill
 379                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 380                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 381                         WriteCommonExcept(u,"QUIT :%s",killreason);
 382                         // K token must go to ALL servers!!!
 383                         char buffer[MAXBUF];
 384                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 385                         NetSendToAll(buffer);
 386
 387                         user_hash::iterator iter = clientlist.find(u->nick);
 388                         if (iter != clientlist.end())
 389                         {
 390                                 log(DEBUG,"deleting user hash value %d",iter->second);
 391                                 if ((iter->second) && (user->registered == 7)) {
 392                                         delete iter->second;
 393                                 }
 394                                 clientlist.erase(iter);
 395                         }
 396                         purge_empty_chans();
 397                 }
 398                 else
 399                 {
 400                         // local kill
 401                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 402                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 403                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 404                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 405                         kill_link(u,killreason);
 406                 }
 407         }
 408         else
 409         {
 410                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 411         }
 412 }
 413
 414 void handle_summon(char **parameters, int pcnt, userrec *user)
 415 {
 416         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 417 }
 418
 419 void handle_users(char **parameters, int pcnt, userrec *user)
 420 {
 421         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 422 }
 423
 424 void handle_pass(char **parameters, int pcnt, userrec *user)
 425 {
 426         // Check to make sure they havnt registered -- Fix by FCS
 427         if (user->registered == 7)
 428         {
 429                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 430                 return;
 431         }
 432         if (!strcasecmp(parameters[0],Passwd(user)))
 433         {
 434                 user->haspassed = true;
 435         }
 436 }
 437
 438 void handle_invite(char **parameters, int pcnt, userrec *user)
 439 {
 440         userrec* u = Find(parameters[0]);
 441         chanrec* c = FindChan(parameters[1]);
 442
 443         if ((!c) || (!u))
 444         {
 445                 if (!c)
 446                 {
 447                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 448                 }
 449                 else
 450                 {
 451                         if (c->inviteonly)
 452                         {
 453                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 454                         }
 455                 }
 456
 457                 return;
 458         }
 459
 460         if (c->inviteonly)
 461         {
 462                 if (cstatus(user,c) < STATUS_HOP)
 463                 {
 464                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 465                         return;
 466                 }
 467         }
 468         if (has_channel(u,c))
 469         {
 470                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 471                 return;
 472         }
 473         if (!has_channel(user,c))
 474         {
 475                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 476                 return;
 477         }
 478
 479         int MOD_RESULT = 0;
 480         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 481         if (MOD_RESULT == 1) {
 482                 return;
 483         }
 484
 485         u->InviteTo(c->name);
 486         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 487         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 488
 489         // i token must go to ALL servers!!!
 490         char buffer[MAXBUF];
 491         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 492         NetSendToAll(buffer);
 493 }
 494
 495 void handle_topic(char **parameters, int pcnt, userrec *user)
 496 {
 497         chanrec* Ptr;
 498
 499         if (pcnt == 1)
 500         {
 501                 if (strlen(parameters[0]) <= CHANMAX)
 502                 {
 503                         Ptr = FindChan(parameters[0]);
 504                         if (Ptr)
 505                         {
 506                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 507                                 {
 508                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 509                                         return;
 510                                 }
 511                                 if (Ptr->topicset)
 512                                 {
 513                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 514                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 515                                 }
 516                                 else
 517                                 {
 518                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 519                                 }
 520                         }
 521                         else
 522                         {
 523                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 524                         }
 525                 }
 526                 return;
 527         }
 528         else if (pcnt>1)
 529         {
 530                 if (strlen(parameters[0]) <= CHANMAX)
 531                 {
 532                         Ptr = FindChan(parameters[0]);
 533                         if (Ptr)
 534                         {
 535                                 if ((Ptr) && (!has_channel(user,Ptr)))
 536                                 {
 537                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 538                                         return;
 539                                 }
 540                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 541                                 {
 542                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 543                                         return;
 544                                 }
 545
 546                                 char topic[MAXBUF];
 547                                 strlcpy(topic,parameters[1],MAXBUF);
 548                                 if (strlen(topic)>MAXTOPIC)
 549                                 {
 550                                         topic[MAXTOPIC-1] = '\0';
 551                                 }
 552
 553                                 if (!strcasecmp(user->server,ServerName))
 554                                 {
 555                                         int MOD_RESULT = 0;
 556                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 557                                         if (MOD_RESULT)
 558                                                 return;
 559                                 }
 560
 561                                 strlcpy(Ptr->topic,topic,MAXBUF);
 562                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 563                                 Ptr->topicset = TIME;
 564                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 565
 566                                 // t token must go to ALL servers!!!
 567                                 char buffer[MAXBUF];
 568                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 569                                 NetSendToAll(buffer);
 570                         }
 571                         else
 572                         {
 573                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 574                         }
 575                 }
 576         }
 577 }
 578
 579 void handle_names(char **parameters, int pcnt, userrec *user)
 580 {
 581         chanrec* c;
 582
 583         if (!pcnt)
 584         {
 585                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 586                 return;
 587         }
 588
 589         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 590                 return;
 591         c = FindChan(parameters[0]);
 592         if (c)
 593         {
 594                 if (((c) && (!has_channel(user,c))) && (c->secret))
 595                 {
 596                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 597                       return;
 598                 }
 599                 userlist(user,c);
 600                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 601         }
 602         else
 603         {
 604                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 605         }
 606 }
 607
 608 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 609 {
 610         userrec *dest;
 611         chanrec *chan;
 612
 613         user->idle_lastmsg = TIME;
 614
 615         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 616                 return;
 617         if (parameters[0][0] == '#')
 618         {
 619                 chan = FindChan(parameters[0]);
 620                 if (chan)
 621                 {
 622                         if ((chan->noexternal) && (!has_channel(user,chan)))
 623                         {
 624                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 625                                 return;
 626                         }
 627                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 628                         {
 629                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 630                                 return;
 631                         }
 632
 633                         int MOD_RESULT = 0;
 634
 635                         std::string temp = parameters[1];
 636                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 637                         if (MOD_RESULT) {
 638                                 return;
 639                         }
 640                         parameters[1] = (char*)temp.c_str();
 641
 642                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 643
 644                         // if any users of this channel are on remote servers, broadcast the packet
 645                         char buffer[MAXBUF];
 646                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 647                         NetSendToCommon(user,buffer);
 648                 }
 649                 else
 650                 {
 651                         /* no such nick/channel */
 652                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 653                 }
 654                 return;
 655         }
 656
 657         dest = Find(parameters[0]);
 658         if (dest)
 659         {
 660                 if (strcmp(dest->awaymsg,""))
 661                 {
 662                         /* auto respond with aweh msg */
 663                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 664                 }
 665
 666                 int MOD_RESULT = 0;
 667
 668                 std::string temp = parameters[1];
 669                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 670                 if (MOD_RESULT) {
 671                         return;
 672                 }
 673                 parameters[1] = (char*)temp.c_str();
 674
 675
 676
 677                 if (!strcmp(dest->server,user->server))
 678                 {
 679                         // direct write, same server
 680                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 681                 }
 682                 else
 683                 {
 684                         char buffer[MAXBUF];
 685                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 686                         NetSendToOne(dest->server,buffer);
 687                 }
 688         }
 689         else
 690         {
 691                 /* no such nick/channel */
 692                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 693         }
 694 }
 695
 696 void handle_notice(char **parameters, int pcnt, userrec *user)
 697 {
 698         userrec *dest;
 699         chanrec *chan;
 700
 701         user->idle_lastmsg = TIME;
 702
 703         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 704                 return;
 705         if (parameters[0][0] == '#')
 706         {
 707                 chan = FindChan(parameters[0]);
 708                 if (chan)
 709                 {
 710                         if ((chan->noexternal) && (!has_channel(user,chan)))
 711                         {
 712                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 713                                 return;
 714                         }
 715                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 716                         {
 717                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 718                                 return;
 719                         }
 720
 721                         int MOD_RESULT = 0;
 722
 723                         std::string temp = parameters[1];
 724                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 725                         if (MOD_RESULT) {
 726                                 return;
 727                         }
 728                         parameters[1] = (char*)temp.c_str();
 729
 730                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 731
 732                         // if any users of this channel are on remote servers, broadcast the packet
 733                         char buffer[MAXBUF];
 734                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 735                         NetSendToCommon(user,buffer);
 736                 }
 737                 else
 738                 {
 739                         /* no such nick/channel */
 740                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 741                 }
 742                 return;
 743         }
 744
 745         dest = Find(parameters[0]);
 746         if (dest)
 747         {
 748                 int MOD_RESULT = 0;
 749
 750                 std::string temp = parameters[1];
 751                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 752                 if (MOD_RESULT) {
 753                         return;
 754                 }
 755                 parameters[1] = (char*)temp.c_str();
 756
 757                 if (!strcmp(dest->server,user->server))
 758                 {
 759                         // direct write, same server
 760                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 761                 }
 762                 else
 763                 {
 764                         char buffer[MAXBUF];
 765                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 766                         NetSendToOne(dest->server,buffer);
 767                 }
 768         }
 769         else
 770         {
 771                 /* no such nick/channel */
 772                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 773         }
 774 }
 775
 776 void handle_server(char **parameters, int pcnt, userrec *user)
 777 {
 778         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 779         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 780 }
 781
 782 void handle_info(char **parameters, int pcnt, userrec *user)
 783 {
 784         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 785         WriteServ(user->fd,"371 %s : ",user->nick);
 786         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 787         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 788         WriteServ(user->fd,"371 %s : ",user->nick);
 789         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 790         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 791         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 792         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 793         WriteServ(user->fd,"371 %s : ",user->nick);
 794         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 795         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 796         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 797         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 798         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 799         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 800         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 801         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 802         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 803         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 804         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 805         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 806         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 807         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 808         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 809         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 810         WriteServ(user->fd,"371 %s : ",user->nick);
 811         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 812         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 813         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 814         WriteServ(user->fd,"371 %s :this software.",user->nick);
 815         WriteServ(user->fd,"371 %s : ",user->nick);
 816         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 817         FOREACH_MOD OnInfo(user);
 818         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 819 }
 820
 821 void handle_time(char **parameters, int pcnt, userrec *user)
 822 {
 823         time_t rawtime;
 824         struct tm * timeinfo;
 825
 826         time ( &rawtime );
 827         timeinfo = localtime ( &rawtime );
 828         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 829
 830 }
 831
 832 void handle_whois(char **parameters, int pcnt, userrec *user)
 833 {
 834         userrec *dest;
 835         char *t;
 836
 837         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 838                 return;
 839         dest = Find(parameters[0]);
 840         if (dest)
 841         {
 842                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 843                 if (dest->registered == 7)
 844                 {
 845                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 846                         if ((user == dest) || (strchr(user->modes,'o')))
 847                         {
 848                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 849                         }
 850                         if (strcmp(chlist(dest),""))
 851                         {
 852                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 853                         }
 854                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 855                         if (strcmp(dest->awaymsg,""))
 856                         {
 857                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 858                         }
 859                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 860                         {
 861                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 862                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 863                         }
 864                         FOREACH_MOD OnWhois(user,dest);
 865                         if (!strcasecmp(user->server,dest->server))
 866                         {
 867                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 868                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 869                         }
 870
 871                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 872                 }
 873                 else
 874                 {
 875                         WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 876                 }
 877         }
 878         else
 879         {
 880                 /* no such nick/channel */
 881                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
 882         }
 883 }
 884
 885 void handle_quit(char **parameters, int pcnt, userrec *user)
 886 {
 887         user_hash::iterator iter = clientlist.find(user->nick);
 888         char* reason;
 889
 890         if (user->registered == 7)
 891         {
 892                 /* theres more to do here, but for now just close the socket */
 893                 if (pcnt == 1)
 894                 {
 895                         if (parameters[0][0] == ':')
 896                         {
 897                                 *parameters[0]++;
 898                         }
 899                         reason = parameters[0];
 900
 901                         if (strlen(reason)>MAXQUIT)
 902                         {
 903                                 reason[MAXQUIT-1] = '\0';
 904                         }
 905
 906                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,parameters[0]);
 907                         WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,parameters[0]);
 908                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 909
 910                         char buffer[MAXBUF];
 911                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 912                         NetSendToAll(buffer);
 913                 }
 914                 else
 915                 {
 916                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 917                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 918                         WriteCommonExcept(user,"QUIT :Client exited");
 919
 920                         char buffer[MAXBUF];
 921                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 922                         NetSendToAll(buffer);
 923                 }
 924                 FOREACH_MOD OnUserQuit(user);
 925                 AddWhoWas(user);
 926         }
 927
 928         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 929         fd_reap.push_back(user->fd);
 930
 931         if (iter != clientlist.end())
 932         {
 933                 clientlist.erase(iter);
 934                 log(DEBUG,"deleting user hash value %d",iter->second);
 935                 //if ((user) && (user->registered == 7)) {
 936                         //delete user;
 937                 //}
 938         }
 939
 940         if (user->registered == 7) {
 941                 purge_empty_chans();
 942         }
 943 }
 944
 945 void handle_who(char **parameters, int pcnt, userrec *user)
 946 {
 947         chanrec* Ptr = NULL;
 948         char tmp[10];
 949
 950         /* theres more to do here, but for now just close the socket */
 951         if (pcnt == 1)
 952         {
 953                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 954                 {
 955                         if (user->chans[0].channel)
 956                         {
 957                                 int n_list = 0;
 958                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 959                                 {
 960                                         Ptr = i->second->chans[0].channel;
 961                                         // suggested by phidjit and FCS
 962                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 963                                         {
 964                                                 // Bug Fix #29
 965                                                 strcpy(tmp, "");
 966                                                 if (strcmp(i->second->awaymsg, "")) {
 967                                                         strncat(tmp, "G", 9);
 968                                                 } else {
 969                                                         strncat(tmp, "H", 9);
 970                                                 }
 971                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 972                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr ? Ptr->name : "*", i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
 973                                                 n_list++;
 974                                                 if (n_list > MaxWhoResults)
 975                                                         break;
 976                                         }
 977                                 }
 978                         }
 979                         if (Ptr)
 980                         {
 981                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 982                         }
 983                         else
 984                         {
 985                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 986                         }
 987                         return;
 988                 }
 989                 if (parameters[0][0] == '#')
 990                 {
 991                         Ptr = FindChan(parameters[0]);
 992                         if (Ptr)
 993                         {
 994                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 995                                 {
 996                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
 997                                         {
 998                                                 // Fix Bug #29 - Part 2..
 999                                                 strcpy(tmp, "");
1000                                                 if (strcmp(i->second->awaymsg, "")) {
1001                                                         strncat(tmp, "G", 9);
1002                                                 } else {
1003                                                         strncat(tmp, "H", 9);
1004                                                 }
1005                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
1006                                                 strcat(tmp, cmode(i->second, Ptr));
1007                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1008                                         }
1009                                 }
1010                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1011                         }
1012                         else
1013                         {
1014                                 WriteServ(user->fd,"401 %s %s :No suck nick/channel",user->nick, parameters[0]);
1015                         }
1016                 }
1017                 else
1018                 {
1019                         userrec* u = Find(parameters[0]);
1020                         if (u)
1021                         {
1022                                 // Bug Fix #29 -- Part 29..
1023                                 strcpy(tmp, "");
1024                                 if (strcmp(u->awaymsg, "")) {
1025                                         strncat(tmp, "G" ,9);
1026                                 } else {
1027                                         strncat(tmp, "H" ,9);
1028                                 }
1029                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
1030                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->nick, u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1031                         }
1032                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1033                 }
1034         }
1035         if (pcnt == 2)
1036         {
1037                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1038                 {
1039                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1040                         {
1041                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
1042                                 {
1043                                         if (strchr(i->second->modes,'o'))
1044                                         {
1045                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1046                                                 // But i'm a poor bastard with nothing better to do.
1047                                                 strcpy(tmp, "");
1048                                                 if (strcmp(i->second->awaymsg, "")) {
1049                                                         strncat(tmp, "G" ,9);
1050                                                 } else {
1051                                                         strncat(tmp, "H" ,9);
1052                                                 }
1053
1054                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s",user->nick, user->nick, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1055                                         }
1056                                 }
1057                         }
1058                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1059                         return;
1060                 }
1061         }
1062 }
1063
1064 void handle_wallops(char **parameters, int pcnt, userrec *user)
1065 {
1066         WriteWallOps(user,false,"%s",parameters[0]);
1067 }
1068
1069 void handle_list(char **parameters, int pcnt, userrec *user)
1070 {
1071         chanrec* Ptr;
1072
1073         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1074         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1075         {
1076                 if ((!i->second->c_private) && (!i->second->secret))
1077                 {
1078                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1079                 }
1080         }
1081         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1082 }
1083
1084
1085 void handle_rehash(char **parameters, int pcnt, userrec *user)
1086 {
1087         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1088         ReadConfig(false,user);
1089         FOREACH_MOD OnRehash();
1090         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1091 }
1092
1093 void handle_lusers(char **parameters, int pcnt, userrec *user)
1094 {
1095         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1096         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1097         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1098         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1099         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1100 }
1101
1102 void handle_admin(char **parameters, int pcnt, userrec *user)
1103 {
1104         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1105         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1106         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1107         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1108 }
1109
1110 void handle_ping(char **parameters, int pcnt, userrec *user)
1111 {
1112         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1113 }
1114
1115 void handle_pong(char **parameters, int pcnt, userrec *user)
1116 {
1117         // set the user as alive so they survive to next ping
1118         user->lastping = 1;
1119 }
1120
1121 void handle_motd(char **parameters, int pcnt, userrec *user)
1122 {
1123         ShowMOTD(user);
1124 }
1125
1126 void handle_rules(char **parameters, int pcnt, userrec *user)
1127 {
1128         ShowRULES(user);
1129 }
1130
1131 void handle_user(char **parameters, int pcnt, userrec *user)
1132 {
1133         if (user->registered < 3)
1134         {
1135                 if (isident(parameters[0]) == 0) {
1136                         // This kinda Sucks, According to the RFC thou, its either this,
1137                         // or "You have already registered" :p -- Craig
1138                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1139                 }
1140                 else {
1141                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1142                         strlcat(user->ident,parameters[0],IDENTMAX);
1143                         strlcpy(user->fullname,parameters[3],128);
1144                         user->registered = (user->registered | 1);
1145                 }
1146         }
1147         else
1148         {
1149                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1150                 return;
1151         }
1152         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1153         if (user->registered == 3)
1154         {
1155                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1156                 FOREACH_MOD OnUserRegister(user);
1157                 ConnectUser(user);
1158         }
1159 }
1160
1161 void handle_userhost(char **parameters, int pcnt, userrec *user)
1162 {
1163         char Return[MAXBUF],junk[MAXBUF];
1164         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1165         for (int i = 0; i < pcnt; i++)
1166         {
1167                 userrec *u = Find(parameters[i]);
1168                 if (u)
1169                 {
1170                         if (strchr(u->modes,'o'))
1171                         {
1172                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1173                                 strlcat(Return,junk,MAXBUF);
1174                         }
1175                         else
1176                         {
1177                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1178                                 strlcat(Return,junk,MAXBUF);
1179                         }
1180                 }
1181         }
1182         WriteServ(user->fd,Return);
1183 }
1184
1185
1186 void handle_ison(char **parameters, int pcnt, userrec *user)
1187 {
1188         char Return[MAXBUF];
1189         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1190         for (int i = 0; i < pcnt; i++)
1191         {
1192                 userrec *u = Find(parameters[i]);
1193                 if (u)
1194                 {
1195                         strlcat(Return,u->nick,MAXBUF);
1196                         strlcat(Return," ",MAXBUF);
1197                 }
1198         }
1199         WriteServ(user->fd,Return);
1200 }
1201
1202
1203 void handle_away(char **parameters, int pcnt, userrec *user)
1204 {
1205         if (pcnt)
1206         {
1207                 strlcpy(user->awaymsg,parameters[0],512);
1208                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1209         }
1210         else
1211         {
1212                 strlcpy(user->awaymsg,"",512);
1213                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1214         }
1215 }
1216
1217 void handle_whowas(char **parameters, int pcnt, userrec* user)
1218 {
1219         user_hash::iterator i = whowas.find(parameters[0]);
1220
1221         if (i == whowas.end())
1222         {
1223                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1224                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1225         }
1226         else
1227         {
1228                 time_t rawtime = i->second->signon;
1229                 tm *timeinfo;
1230                 char b[MAXBUF];
1231
1232                 timeinfo = localtime(&rawtime);
1233                 strlcpy(b,asctime(timeinfo),MAXBUF);
1234                 b[strlen(b)-1] = '\0';
1235
1236                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1237                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1238                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1239         }
1240
1241 }
1242
1243 void handle_trace(char **parameters, int pcnt, userrec *user)
1244 {
1245         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1246         {
1247                 if (i->second)
1248                 {
1249                         if (isnick(i->second->nick))
1250                         {
1251                                 if (strchr(i->second->modes,'o'))
1252                                 {
1253                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1254                                 }
1255                                 else
1256                                 {
1257                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1258                                 }
1259                         }
1260                         else
1261                         {
1262                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1263                         }
1264                 }
1265         }
1266 }
1267
1268 void handle_modules(char **parameters, int pcnt, userrec *user)
1269 {
1270         for (int i = 0; i < module_names.size(); i++)
1271         {
1272                 Version V = modules[i]->GetVersion();
1273                 char modulename[MAXBUF];
1274                 char flagstate[MAXBUF];
1275                 strcpy(flagstate,"");
1276                 if (V.Flags & VF_STATIC)
1277                         strlcat(flagstate,", static",MAXBUF);
1278                 if (V.Flags & VF_VENDOR)
1279                         strlcat(flagstate,", vendor",MAXBUF);
1280                 if (V.Flags & VF_COMMON)
1281                         strlcat(flagstate,", common",MAXBUF);
1282                 if (V.Flags & VF_SERVICEPROVIDER)
1283                         strlcat(flagstate,", service provider",MAXBUF);
1284                 if (!strlen(flagstate))
1285                         strcpy(flagstate,"  <no flags>");
1286                 strlcpy(modulename,module_names[i].c_str(),256);
1287                 if (strchr(user->modes,'o'))
1288                 {
1289                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s (%s)",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename),flagstate+2);
1290                 }
1291                 else
1292                 {
1293                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1294                 }
1295         }
1296 }
1297
1298 void handle_stats(char **parameters, int pcnt, userrec *user)
1299 {
1300         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1301         if (pcnt != 1)
1302         {
1303                 return;
1304         }
1305         if (strlen(parameters[0])>1)
1306         {
1307                 /* make the stats query 1 character long */
1308                 parameters[0][1] = '\0';
1309         }
1310
1311
1312         FOREACH_MOD OnStats(*parameters[0]);
1313
1314         if (!strcasecmp(parameters[0],"c"))
1315         {
1316                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1317                 {
1318                         ConfValue("link","name",i,Link_ServerName,&config_f);
1319                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1320                         ConfValue("link","port",i,Link_Port,&config_f);
1321                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1322                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1323                 }
1324         }
1325
1326         if (!strcasecmp(parameters[0],"i"))
1327         {
1328                 int idx = 0;
1329                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1330                 {
1331                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1332                         idx++;
1333                 }
1334         }
1335
1336         if (!strcasecmp(parameters[0],"y"))
1337         {
1338                 int idx = 0;
1339                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1340                 {
1341                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1342                         idx++;
1343                 }
1344         }
1345
1346         if (!strcmp(parameters[0],"U"))
1347         {
1348                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1349                 {
1350                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1351                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1352                 }
1353         }
1354
1355         if (!strcmp(parameters[0],"P"))
1356         {
1357                 int idx = 0;
1358                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1359                 {
1360                         if (strchr(i->second->modes,'o'))
1361                         {
1362                                 WriteServ(user->fd,"249 %s :%s (%s@%s) Idle: %d",user->nick,i->second->nick,i->second->ident,i->second->dhost,(TIME - i->second->idle_lastmsg));
1363                                 idx++;
1364                         }
1365                 }
1366                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1367         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1368         }
1369
1370         if (!strcmp(parameters[0],"k"))
1371         {
1372                 stats_k(user);
1373         }
1374
1375         if (!strcmp(parameters[0],"g"))
1376         {
1377                 stats_g(user);
1378         }
1379
1380         if (!strcmp(parameters[0],"q"))
1381         {
1382                 stats_q(user);
1383         }
1384
1385         if (!strcmp(parameters[0],"Z"))
1386         {
1387                 stats_z(user);
1388         }
1389
1390         if (!strcmp(parameters[0],"e"))
1391         {
1392                 stats_e(user);
1393         }
1394
1395         /* stats m (list number of times each command has been used, plus bytecount) */
1396         if (!strcmp(parameters[0],"m"))
1397         {
1398                 for (int i = 0; i < cmdlist.size(); i++)
1399                 {
1400                         if (cmdlist[i].handler_function)
1401                         {
1402                                 if (cmdlist[i].use_count)
1403                                 {
1404                                         /* RPL_STATSCOMMANDS */
1405                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1406                                 }
1407                         }
1408                 }
1409
1410         }
1411
1412         /* stats z (debug and memory info) */
1413         if (!strcmp(parameters[0],"z"))
1414         {
1415                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1416                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1417                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1418                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1419                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1420                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1421                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1422                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1423         }
1424
1425         /* stats o */
1426         if (!strcmp(parameters[0],"o"))
1427         {
1428                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1429                 {
1430                         char LoginName[MAXBUF];
1431                         char HostName[MAXBUF];
1432                         char OperType[MAXBUF];
1433                         ConfValue("oper","name",i,LoginName,&config_f);
1434                         ConfValue("oper","host",i,HostName,&config_f);
1435                         ConfValue("oper","type",i,OperType,&config_f);
1436                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1437                 }
1438         }
1439
1440         /* stats l (show user I/O stats) */
1441         if (!strcmp(parameters[0],"l"))
1442         {
1443                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1444                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1445                 {
1446                         if (isnick(i->second->nick))
1447                         {
1448                                 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);
1449                         }
1450                         else
1451                         {
1452                                 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);
1453                         }
1454
1455                 }
1456         }
1457
1458         /* stats u (show server uptime) */
1459         if (!strcmp(parameters[0],"u"))
1460         {
1461                 time_t current_time = 0;
1462                 current_time = TIME;
1463                 time_t server_uptime = current_time - startup_time;
1464                 struct tm* stime;
1465                 stime = gmtime(&server_uptime);
1466                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1467                  * Craig suggested this, and it seemed a good idea so in it went */
1468                 if (stime->tm_year > 70)
1469                 {
1470                         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);
1471                 }
1472                 else
1473                 {
1474                         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);
1475                 }
1476         }
1477
1478         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1479         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1480
1481 }
1482
1483 void handle_connect(char **parameters, int pcnt, userrec *user)
1484 {
1485         char Link_ServerName[1024];
1486         char Link_IPAddr[1024];
1487         char Link_Port[1024];
1488         char Link_Pass[1024];
1489         int LinkPort;
1490         bool found = false;
1491
1492         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1493         {
1494                 if (!found)
1495                 {
1496                         ConfValue("link","name",i,Link_ServerName,&config_f);
1497                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1498                         ConfValue("link","port",i,Link_Port,&config_f);
1499                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1500                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1501                         LinkPort = atoi(Link_Port);
1502                         if (match(Link_ServerName,parameters[0])) {
1503                                 found = true;
1504                                 break;
1505                         }
1506                 }
1507         }
1508
1509         if (!found) {
1510                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1511                 return;
1512         }
1513
1514         // TODO: Perform a check here to stop a server being linked twice!
1515
1516         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1517
1518         if (me[defaultRoute])
1519         {
1520                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1521                 return;
1522         }
1523         else
1524         {
1525                 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);
1526         }
1527 }
1528
1529 void handle_squit(char **parameters, int pcnt, userrec *user)
1530 {
1531         // send out an squit across the mesh and then clear the server list (for local squit)
1532         if (!pcnt)
1533         {
1534                 WriteOpers("SQUIT command issued by %s",user->nick);
1535                 char buffer[MAXBUF];
1536                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1537                 NetSendToAll(buffer);
1538                 DoSplitEveryone();
1539         }
1540         else
1541         {
1542                 WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
1543         }
1544 }
1545
1546 void handle_links(char **parameters, int pcnt, userrec *user)
1547 {
1548         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1549         for (int j = 0; j < 32; j++)
1550         {
1551                 if (me[j] != NULL)
1552                 {
1553                         for (int k = 0; k < me[j]->connectors.size(); k++)
1554                         {
1555                                 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());
1556                         }
1557                 }
1558         }
1559         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1560 }
1561
1562 void handle_map(char **parameters, int pcnt, userrec *user)
1563 {
1564         char line[MAXBUF];
1565         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1566         while (strlen(line) < 50)
1567                 strcat(line," ");
1568         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1569         for (int j = 0; j < 32; j++)
1570         {
1571                 if (me[j] != NULL)
1572                 {
1573                         for (int k = 0; k < me[j]->connectors.size(); k++)
1574                         {
1575                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1576                                 while (strlen(line) < 50)
1577                                         strcat(line," ");
1578                                 WriteServ(user->fd,"%s%d (%.2f%%)",line,map_count(me[j]->connectors[k].GetServerName().c_str()),(float)(((float)map_count(me[j]->connectors[k].GetServerName().c_str())/(float)registered_usercount())*100));
1579                         }
1580                 }
1581         }
1582         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1583 }
1584
1585 bool is_uline(const char* server)
1586 {
1587         char ServName[MAXBUF];
1588         int i,j;
1589
1590         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1591         {
1592                 ConfValue("uline","server",i,ServName,&config_f);
1593                 if (!strcasecmp(server,ServName))
1594                 {
1595                         return true;
1596                 }
1597         }
1598         return false;
1599 }
1600
1601
1602 void handle_oper(char **parameters, int pcnt, userrec *user)
1603 {
1604         char LoginName[MAXBUF];
1605         char Password[MAXBUF];
1606         char OperType[MAXBUF];
1607         char TypeName[MAXBUF];
1608         char HostName[MAXBUF];
1609         char TheHost[MAXBUF];
1610         int i,j;
1611         bool found = false;
1612         bool fail2 = false;
1613         char global[MAXBUF];
1614
1615         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1616
1617         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1618         {
1619                 ConfValue("oper","name",i,LoginName,&config_f);
1620                 ConfValue("oper","password",i,Password,&config_f);
1621                 ConfValue("oper","type",i,OperType,&config_f);
1622                 ConfValue("oper","host",i,HostName,&config_f);
1623                 if ((!strcmp(LoginName,parameters[0])) && (!strcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1624                 {
1625                         fail2 = true;
1626                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1627                         {
1628                                 ConfValue("type","name",j,TypeName,&config_f);
1629
1630                                 if (!strcmp(TypeName,OperType))
1631                                 {
1632                                         /* found this oper's opertype */
1633                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1634                                         NetSendToAll(global);
1635                                         ConfValue("type","host",j,HostName,&config_f);
1636                                         ChangeDisplayedHost(user,HostName);
1637                                         strlcpy(user->oper,TypeName,NICKMAX);
1638                                         found = true;
1639                                         fail2 = false;
1640                                         break;
1641                                 }
1642                         }
1643                 }
1644                 if (found)
1645                         break;
1646         }
1647         if (found)
1648         {
1649                 /* correct oper credentials */
1650                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1651                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1652                 if (!strchr(user->modes,'o'))
1653                 {
1654                         strcat(user->modes,"o");
1655                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1656                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1657                         NetSendToAll(global);
1658                         FOREACH_MOD OnOper(user);
1659                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1660                 }
1661         }
1662         else
1663         {
1664                 if (!fail2)
1665                 {
1666                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1667                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1668                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1669                 }
1670                 else
1671                 {
1672                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1673                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1674                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1675                 }
1676         }
1677         return;
1678 }
1679
1680 void handle_nick(char **parameters, int pcnt, userrec *user)
1681 {
1682         if (pcnt < 1)
1683         {
1684                 log(DEBUG,"not enough params for handle_nick");
1685                 return;
1686         }
1687         if (!parameters[0])
1688         {
1689                 log(DEBUG,"invalid parameter passed to handle_nick");
1690                 return;
1691         }
1692         if (!strlen(parameters[0]))
1693         {
1694                 log(DEBUG,"zero length new nick passed to handle_nick");
1695                 return;
1696         }
1697         if (!user)
1698         {
1699                 log(DEBUG,"invalid user passed to handle_nick");
1700                 return;
1701         }
1702         if (!user->nick)
1703         {
1704                 log(DEBUG,"invalid old nick passed to handle_nick");
1705                 return;
1706         }
1707         if (!strcasecmp(user->nick,parameters[0]))
1708         {
1709                 log(DEBUG,"old nick is new nick, skipping");
1710                 return;
1711         }
1712         else
1713         {
1714                 if (strlen(parameters[0]) > 1)
1715                 {
1716                         if (parameters[0][0] == ':')
1717                         {
1718                                 *parameters[0]++;
1719                         }
1720                 }
1721                 if (matches_qline(parameters[0]))
1722                 {
1723                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1724                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1725                         return;
1726                 }
1727                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1728                 {
1729                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1730                         return;
1731                 }
1732         }
1733         if (isnick(parameters[0]) == 0)
1734         {
1735                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1736                 return;
1737         }
1738
1739         if (user->registered == 7)
1740         {
1741                 int MOD_RESULT = 0;
1742                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1743                 if (MOD_RESULT) {
1744                         // if a module returns true, the nick change is silently forbidden.
1745                         return;
1746                 }
1747
1748                 WriteCommon(user,"NICK %s",parameters[0]);
1749
1750                 // Q token must go to ALL servers!!!
1751                 char buffer[MAXBUF];
1752                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1753                 NetSendToAll(buffer);
1754         }
1755
1756         char oldnick[NICKMAX];
1757         strlcpy(oldnick,user->nick,NICKMAX);
1758
1759         /* change the nick of the user in the users_hash */
1760         user = ReHashNick(user->nick, parameters[0]);
1761         /* actually change the nick within the record */
1762         if (!user) return;
1763         if (!user->nick) return;
1764
1765         strlcpy(user->nick, parameters[0],NICKMAX);
1766
1767         log(DEBUG,"new nick set: %s",user->nick);
1768
1769         if (user->registered < 3)
1770         {
1771                 user->registered = (user->registered | 2);
1772                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1773                 // and unless we're lucky we'll get a duff one later on.
1774                 user->dns_done = (!lookup_dns(user->nick));
1775                 if (user->dns_done)
1776                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1777         }
1778         if (user->registered == 3)
1779         {
1780                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1781                 FOREACH_MOD OnUserRegister(user);
1782                 ConnectUser(user);
1783         }
1784         if (user->registered == 7)
1785         {
1786                 FOREACH_MOD OnUserPostNick(user,oldnick);
1787         }
1788 }
1789
1790
1791
1792 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1793 {
1794         char* src = strtok(params," ");
1795         char* dest = strtok(NULL," :");
1796         char* text = strtok(NULL,"\r\n");
1797         text++;
1798
1799         userrec* user = Find(src);
1800         if (user)
1801         {
1802                 userrec* dst = Find(dest);
1803
1804                 if (dst)
1805                 {
1806                         WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1807                 }
1808                 else
1809                 {
1810                         chanrec* d = FindChan(dest);
1811                         if (d)
1812                         {
1813                                 ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1814                         }
1815                 }
1816         }
1817
1818 }
1819
1820
1821 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1822 {
1823         char* src = strtok(params," ");
1824         char* dest = strtok(NULL," :");
1825         char* text = strtok(NULL,"\r\n");
1826         text++;
1827
1828         userrec* user = Find(src);
1829         if (user)
1830         {
1831                 userrec* dst = Find(dest);
1832
1833                 if (dst)
1834                 {
1835                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1836                 }
1837                 else
1838                 {
1839                         chanrec* d = FindChan(dest);
1840                         if (d)
1841                         {
1842                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1843                         }
1844                 }
1845         }
1846
1847 }
1848
1849 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1850 {
1851         char* nick = strtok(params," ");
1852         char* from = strtok(NULL," ");
1853         char* channel = strtok(NULL," ");
1854         userrec* u = Find(nick);
1855         userrec* user = Find(from);
1856         chanrec* c = FindChan(channel);
1857         if ((c) && (u) && (user))
1858         {
1859                 u->InviteTo(c->name);
1860                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1861         }
1862 }
1863
1864 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1865 {
1866         char* setby = strtok(params," ");
1867         char* channel = strtok(NULL," :");
1868         char* topic = strtok(NULL,"\r\n");
1869         topic++;
1870         userrec* u = Find(setby);
1871         chanrec* c = FindChan(channel);
1872         if ((c) && (u))
1873         {
1874                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1875                 strlcpy(c->topic,topic,MAXTOPIC);
1876                 strlcpy(c->setby,u->nick,NICKMAX);
1877                 c->topicset = TIME;
1878         }
1879 }
1880
1881
1882 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1883 {
1884         char* tm = strtok(params," ");
1885         char* setby = strtok(NULL," ");
1886         char* channel = strtok(NULL," :");
1887         char* topic = strtok(NULL,"\r\n");
1888         topic++;
1889         time_t TS = atoi(tm);
1890         chanrec* c = FindChan(channel);
1891         if (c)
1892         {
1893                 // in the case of topics and TS, the *NEWER*
1894                 if (TS <= c->topicset)
1895                 {
1896                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1897                         strlcpy(c->topic,topic,MAXTOPIC);
1898                         strlcpy(c->setby,setby,NICKMAX);
1899                 }
1900         }
1901 }
1902
1903 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1904 {
1905         char* pars[128];
1906         char original[MAXBUF],target[MAXBUF];
1907         strlcpy(original,params,MAXBUF);
1908         int index = 0;
1909         char* parameter = strtok(params," ");
1910         strlcpy(target,parameter,MAXBUF);
1911         while (parameter)
1912         {
1913                 if (parameter[0] == ':')
1914                         parameter++;
1915                 pars[index++] = parameter;
1916                 parameter = strtok(NULL," ");
1917         }
1918         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
1919         merge_mode(pars,index);
1920         if (FindChan(target))
1921         {
1922                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
1923         }
1924         if (Find(target))
1925         {
1926                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
1927         }
1928 }
1929
1930 // m is modes set by users only (not servers) valid targets are channels or users.
1931
1932 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1933 {
1934         // m blah #chatspike +b *!test@*4
1935         char* pars[128];
1936         char original[MAXBUF];
1937         strlcpy(original,params,MAXBUF);
1938
1939         if (!strchr(params,' '))
1940         {
1941                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
1942                 return;
1943         }
1944
1945         int index = 0;
1946
1947         char* src = strtok(params," ");
1948         userrec* user = Find(src);
1949
1950         if (user)
1951         {
1952                 log(DEBUG,"Found user: %s",user->nick);
1953                 char* parameter = strtok(NULL," ");
1954                 while (parameter)
1955                 {
1956                         pars[index++] = parameter;
1957                         parameter = strtok(NULL," ");
1958                 }
1959
1960                 log(DEBUG,"Calling merge_mode2");
1961                 merge_mode2(pars,index,user);
1962         }
1963 }
1964
1965
1966 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1967 {
1968         char* nick = strtok(params," ");
1969         char* channel = strtok(NULL," :");
1970         char* reason = strtok(NULL,"\r\n");
1971         userrec* user = Find(nick);
1972         reason++;
1973         if (user)
1974         {
1975                 if (strcmp(reason,""))
1976                 {
1977                         del_channel(user,channel,reason,true);
1978                 }
1979                 else
1980                 {
1981                         del_channel(user,channel,NULL,true);
1982                 }
1983         }
1984 }
1985
1986 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1987 {
1988         char* src = strtok(params," ");
1989         char* nick = strtok(NULL," :");
1990         char* reason = strtok(NULL,"\r\n");
1991         char kreason[MAXBUF];
1992         reason++;
1993
1994         userrec* u = Find(nick);
1995         userrec* user = Find(src);
1996
1997         if ((user) && (u))
1998         {
1999                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2000                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2001                 snprintf(kreason,MAXBUF,"[%s] Killed (%s (%s))",source->name,user->nick,reason);
2002                 kill_link(u,kreason);
2003         }
2004 }
2005
2006 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2007 {
2008         char* nick = strtok(params," :");
2009         char* reason = strtok(NULL,"\r\n");
2010         reason++;
2011
2012         userrec* user = Find(nick);
2013
2014         if (user)
2015         {
2016                 if (strlen(reason)>MAXQUIT)
2017                 {
2018                         reason[MAXQUIT-1] = '\0';
2019                 }
2020
2021
2022                 WriteCommonExcept(user,"QUIT :%s",reason);
2023
2024                 user_hash::iterator iter = clientlist.find(user->nick);
2025
2026                 if (iter != clientlist.end())
2027                 {
2028                         log(DEBUG,"deleting user hash value %d",iter->second);
2029                         if ((iter->second) && (user->registered == 7)) {
2030                                 delete iter->second;
2031                         }
2032                         clientlist.erase(iter);
2033                 }
2034
2035                 purge_empty_chans();
2036         }
2037 }
2038
2039 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2040 {
2041         char* oldnick = strtok(params," ");
2042         char* newnick = strtok(NULL," ");
2043
2044         userrec* user = Find(oldnick);
2045
2046         if (user)
2047         {
2048                 WriteCommon(user,"NICK %s",newnick);
2049                 if (is_uline(tcp_host))
2050                 {
2051                         int MOD_RESULT = 0;
2052                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2053                         if (MOD_RESULT) {
2054                                 // if a module returns true, the nick change couldnt be allowed
2055                                 kill_link(user,"Nickname collision");
2056                                 return;
2057                         }
2058                         if (matches_qline(newnick))
2059                         {
2060                                 kill_link(user,"Nickname collision");
2061                                 return;
2062                         }
2063
2064                         // broadcast this because its a services thingy
2065                         char buffer[MAXBUF];
2066                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2067                         NetSendToAll(buffer);
2068                 }
2069                 user = ReHashNick(user->nick, newnick);
2070                 if (!user) return;
2071                 if (!user->nick) return;
2072                 strlcpy(user->nick, newnick,NICKMAX);
2073                 log(DEBUG,"new nick set: %s",user->nick);
2074         }
2075 }
2076
2077 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2078 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2079 {
2080         char* src = strtok(params," ");
2081         char* dest = strtok(NULL," ");
2082         char* channel = strtok(NULL," :");
2083         char* reason = strtok(NULL,"\r\n");
2084         reason++;
2085         userrec* s = Find(src);
2086         userrec* d = Find(dest);
2087         chanrec* c = FindChan(channel);
2088         if ((s) && (d) && (c))
2089         {
2090                 kick_channel(s,d,c,reason);
2091                 return;
2092         }
2093         d = Find(channel);
2094         c = FindChan(dest);
2095         if ((s) && (d) && (c))
2096         {
2097                 kick_channel(s,d,c,reason);
2098                 return;
2099         }
2100 }
2101
2102 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2103 {
2104         char* who = strtok(params," :");
2105         char* text = strtok(NULL,"\r\n");
2106         text++;
2107         userrec* s = Find(who);
2108         if (s)
2109         {
2110                 WriteWallOps(s,true,text);
2111         }
2112 }
2113
2114 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2115 {
2116         log(DEBUG,"Adding ULined server %s to my map",params);
2117         ircd_connector s;
2118         s.SetState(STATE_DISCONNECTED);
2119         s.SetServerName(params);
2120
2121         for (int j = 0; j < 32; j++)
2122         {
2123                 if (me[j] != NULL)
2124                 {
2125                         for (int k = 0; k < me[j]->connectors.size(); k++)
2126                         {
2127                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2128                                 {
2129                                         // dont allow a server to be added twice
2130                                         log(DEBUG,"ULined server %s already in the map!",params);
2131                                         return;
2132                                 }
2133                         }
2134                 }
2135         }
2136
2137         source->connectors.push_back(s);
2138         WriteOpers("Non-Mesh server %s has joined the network",params);
2139 }
2140
2141 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2142 {
2143         char* tm = strtok(params," ");
2144         char* nick = strtok(NULL," ");
2145         char* host = strtok(NULL," ");
2146         char* dhost = strtok(NULL," ");
2147         char* ident = strtok(NULL," ");
2148         char* modes = strtok(NULL," ");
2149         char* ipaddr = strtok(NULL," ");
2150         char* server = strtok(NULL," :");
2151         char* gecos = strtok(NULL,"\r\n");
2152         gecos++;
2153         modes++;
2154         time_t TS = atoi(tm);
2155         user_hash::iterator iter = clientlist.find(nick);
2156         if (iter != clientlist.end())
2157         {
2158                 // nick collision
2159                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2160                 char str[MAXBUF];
2161                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2162                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2163                 kill_link(iter->second,str);
2164         }
2165         clientlist[nick] = new userrec();
2166         // remote users have an fd of -1. This is so that our Write abstraction
2167         // routines know to route any messages to this record away to whatever server
2168         // theyre on.
2169         clientlist[nick]->fd = -1;
2170         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2171         strlcpy(clientlist[nick]->host, host,160);
2172         strlcpy(clientlist[nick]->dhost, dhost,160);
2173         strlcpy(clientlist[nick]->server, server,256);
2174         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2175         strlcpy(clientlist[nick]->fullname, gecos,128);
2176         clientlist[nick]->signon = TS;
2177         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2178         clientlist[nick]->lastping = 1;
2179         clientlist[nick]->port = 0; // so is this...
2180         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2181         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2182         for (int i = 0; i < MAXCHANS; i++)
2183         {
2184                 clientlist[nick]->chans[i].channel = NULL;
2185                 clientlist[nick]->chans[i].uc_modes = 0;
2186         }
2187 }
2188
2189 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2190 {
2191         long tdiff = TIME - atoi(params);
2192         if (tdiff)
2193                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2194 }
2195
2196 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2197 {
2198         char* nick = strtok(params," :");
2199         char* gecos = strtok(NULL,"\r\n");
2200
2201         userrec* user = Find(nick);
2202
2203         if (user)
2204                 strlcpy(user->fullname,gecos,MAXBUF);
2205 }
2206
2207 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2208 {
2209         char* nick = strtok(params," ");
2210         char* host = strtok(NULL," ");
2211
2212         userrec* user = Find(nick);
2213
2214         if (user)
2215                 strlcpy(user->dhost,host,160);
2216 }
2217
2218 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2219 {
2220         // %s %s %d %d
2221         // + test3.chatspike.net 7010 -2016508415
2222         char* servername = strtok(params," ");
2223         char* ipaddr = strtok(NULL," ");
2224         char* ipport = strtok(NULL," ");
2225         char* cookie = strtok(NULL," ");
2226         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2227
2228
2229         bool conn_already = false;
2230         for (int i = 0; i < 32; i++)
2231         {
2232                 if (me[i] != NULL)
2233                 {
2234                         for (int j = 0; j < me[i]->connectors.size(); j++)
2235                         {
2236                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2237                                 {
2238                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2239                                         {
2240                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2241                                                 conn_already = true;
2242                                         }
2243                                 }
2244                         }
2245                 }
2246         }
2247         if (!conn_already)
2248                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2249 }
2250
2251 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2252 {
2253         char* server = strtok(params," ");
2254         char* data = strtok(NULL,"\r\n");
2255         if ((!data) || (!server))
2256         {
2257                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2258                 return;
2259         }
2260
2261         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2262         NetSendToOne(server,data);
2263 }
2264
2265 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2266 {
2267         // IMPORTANT NOTE
2268         // The J token currently has no timestamp - this needs looking at
2269         // because it will allow splitriding.
2270         char* nick = strtok(params," ");
2271         char* channel = strtok(NULL," ");
2272         userrec* user = Find(nick);
2273         while (channel)
2274         {
2275                 if ((user != NULL) && (strcmp(channel,"")))
2276                 {
2277                         char privilage = '\0';
2278                         if (channel[0] != '#')
2279                         {
2280                                 privilage = channel[0];
2281                                 channel++;
2282                         }
2283                         add_channel(user,channel,"",true);
2284
2285                         // now work out the privilages they should have on each channel
2286                         // and send the appropriate servermodes.
2287                         for (int i = 0; i != MAXCHANS; i++)
2288                         {
2289                                 if (user->chans[i].channel)
2290                                 {
2291                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2292                                         {
2293                                                 if (privilage == '@')
2294                                                 {
2295                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2296                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2297                                                 }
2298                                                 if (privilage == '%')
2299                                                 {
2300                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2301                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2302                                                 }
2303                                                 if (privilage == '+')
2304                                                 {
2305                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2306                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2307                                                 }
2308                                         }
2309                                 }
2310                         }
2311
2312                 }
2313                 channel = strtok(NULL," ");
2314         }
2315 }
2316
2317 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2318 {
2319         log(DEBUG,"Storing routing table...");
2320         char* sourceserver = strtok(params," ");
2321         char* server = strtok(NULL," ");
2322         for (int i = 0; i < 32; i++)
2323         {
2324                 if (me[i] != NULL)
2325                 {
2326                         for (int j = 0; j < me[i]->connectors.size(); j++)
2327                         {
2328                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2329                                 {
2330                                         me[i]->connectors[j].routes.clear();
2331                                         log(DEBUG,"Found entry for source server.");
2332                                         while (server)
2333                                         {
2334                                                 // store each route
2335                                                 me[i]->connectors[j].routes.push_back(server);
2336                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2337                                                 server = strtok(NULL," ");
2338                                         }
2339                                         return;
2340                                 }
2341                         }
2342                 }
2343         }
2344         log(DEBUG,"Warning! routing table received from nonexistent server!");
2345 }
2346
2347 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2348 {
2349         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2350         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2351         bool go_again = true;
2352         while (go_again)
2353         {
2354                 go_again = false;
2355                 for (int i = 0; i < 32; i++)
2356                 {
2357                         if (me[i] != NULL)
2358                         {
2359                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2360                                 {
2361                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2362                                         {
2363                                                 j->routes.clear();
2364                                                 j->CloseConnection();
2365                                                 me[i]->connectors.erase(j);
2366                                                 go_again = true;
2367                                                 break;
2368                                         }
2369                                 }
2370                         }
2371                 }
2372         }
2373         log(DEBUG,"Removed server. Will remove clients...");
2374         // iterate through the userlist and remove all users on this server.
2375         // because we're dealing with a mesh, we dont have to deal with anything
2376         // "down-route" from this server (nice huh)
2377         go_again = true;
2378         char reason[MAXBUF];
2379         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2380         while (go_again)
2381         {
2382                 go_again = false;
2383                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2384                 {
2385                         if (!strcasecmp(u->second->server,params))
2386                         {
2387                                 kill_link(u->second,reason);
2388                                 go_again = true;
2389                                 break;
2390                         }
2391                 }
2392         }
2393 }
2394
2395 long authcookie;
2396
2397 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2398 {
2399         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2400         log(DEBUG,"Adding G-line");
2401         char* mask = strtok(params," ");
2402         char* who = strtok(NULL," ");
2403         char* create_time = strtok(NULL," ");
2404         char* duration = strtok(NULL," :");
2405         char* reason = strtok(NULL,"\r\n");
2406         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2407         // we must update the creation time on this gline
2408         // now that we've added it, or it wont expire at the right time.
2409         gline_set_creation_time(mask,atoi(create_time));
2410         if (!atoi(duration))
2411         {
2412                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2413         }
2414         else
2415         {
2416                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2417         }
2418         apply_lines();
2419 }
2420
2421 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2422 {
2423         log(DEBUG,"Removing G-line");
2424         char* mask = strtok(params," ");
2425         char* who = strtok(NULL," ");
2426         if (mask)
2427         {
2428                 if (del_gline((const char*)mask))
2429                 {
2430                         if (who)
2431                         {
2432                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2433                         }
2434                 }
2435         }
2436 }
2437
2438 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2439 {
2440         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2441         log(DEBUG,"Adding Q-line");
2442         char* mask = strtok(params," ");
2443         char* who = strtok(NULL," ");
2444         char* create_time = strtok(NULL," ");
2445         char* duration = strtok(NULL," :");
2446         char* reason = strtok(NULL,"\r\n");
2447         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2448         // we must update the creation time on this gline
2449         // now that we've added it, or it wont expire at the right time.
2450         qline_set_creation_time(mask,atoi(create_time));
2451         qline_make_global(mask);
2452         if (!atoi(duration))
2453         {
2454                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2455         }
2456         else
2457         {
2458                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2459         }
2460         apply_lines();
2461 }
2462
2463 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2464 {
2465         log(DEBUG,"Removing Q-line");
2466         char* mask = strtok(params," ");
2467         char* who = strtok(NULL," ");
2468         if (mask)
2469         {
2470                 if (del_qline((const char*)mask))
2471                 {
2472                         if (who)
2473                         {
2474                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2475                         }
2476                 }
2477         }
2478 }
2479
2480 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2481 {
2482         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2483         log(DEBUG,"Adding Z-line");
2484         char* mask = strtok(params," ");
2485         char* who = strtok(NULL," ");
2486         char* create_time = strtok(NULL," ");
2487         char* duration = strtok(NULL," :");
2488         char* reason = strtok(NULL,"\r\n");
2489         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2490         // we must update the creation time on this gline
2491         // now that we've added it, or it wont expire at the right time.
2492         zline_set_creation_time(mask,atoi(create_time));
2493         zline_make_global(mask);
2494         if (!atoi(duration))
2495         {
2496                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2497         }
2498         else
2499         {
2500                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2501         }
2502         apply_lines();
2503 }
2504
2505 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2506 {
2507         log(DEBUG,"Removing Z-line");
2508         char* mask = strtok(params," ");
2509         char* who = strtok(NULL," ");
2510         if (mask)
2511         {
2512                 if (del_zline((const char*)mask))
2513                 {
2514                         if (who)
2515                         {
2516                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2517                         }
2518                 }
2519         }
2520 }
2521
2522 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2523 {
2524         char* nick = strtok(params," ");
2525         char* type = strtok(params," ");
2526         userrec* u = Find(nick);
2527         if (u)
2528         {
2529                 strlcpy(u->oper,type,NICKMAX);
2530         }
2531 }
2532
2533
2534 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2535 {
2536         char buffer[MAXBUF];
2537
2538         switch(token)
2539         {
2540                 // Y <TS>
2541                 // start netburst
2542                 case 'Y':
2543                         nb_start = TIME;
2544                         WriteOpers("Server %s is starting netburst.",tcp_host);
2545                         // now broadcast this new servers address out to all servers that are linked to us,
2546                         // except the newcomer. They'll all attempt to connect back to it.
2547                         authcookie = rand()*rand();
2548                         snprintf(buffer,MAXBUF,"~ %d",authcookie);
2549                         NetSendToAll(buffer);
2550                 break;
2551                 // ~
2552                 // Store authcookie
2553                 // once stored, this authcookie permits other servers to log in
2554                 // without user or password, using it.
2555                 case '~':
2556                         auth_cookies.push_back(atoi(params));
2557                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2558                 break;
2559                 // connect back to a server using an authcookie
2560                 case '+':
2561                         handle_plus(token,params,source,reply,tcp_host);
2562                 break;
2563                 // routing table
2564                 case '$':
2565                         handle_dollar(token,params,source,reply,tcp_host);
2566                 break;
2567                 // node unreachable - we cant route to a server, sooooo we slit it off.
2568                 // servers can generate these for themselves for an squit.
2569                 case '&':
2570                         handle_amp(token,params,source,reply,tcp_host);
2571                 break;
2572                 // R <server> <data>
2573                 // redirect token, send all of <data> along to the given
2574                 // server as this server has been found to still have a route to it
2575                 case 'R':
2576                         handle_R(token,params,source,reply,tcp_host);
2577                 break;
2578                 // ?
2579                 // ping
2580                 case '?':
2581                         reply->SendPacket("!",tcp_host);
2582                 break;
2583                 // ?
2584                 // pong
2585                 case '!':
2586                 break;
2587                 // *
2588                 // no operation
2589                 case '*':
2590                 break;
2591                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2592                 // introduce remote client
2593                 case 'N':
2594                         handle_N(token,params,source,reply,tcp_host);
2595                 break;
2596                 // a <NICK> :<GECOS>
2597                 // change GECOS (SETNAME)
2598                 case 'a':
2599                         handle_a(token,params,source,reply,tcp_host);
2600                 break;
2601                 // b <NICK> :<HOST>
2602                 // change displayed host (SETHOST)
2603                 case 'b':
2604                         handle_b(token,params,source,reply,tcp_host);
2605                 break;
2606                 // t <NICK> <CHANNEL> :<TOPIC>
2607                 // change a channel topic
2608                 case 't':
2609                         handle_t(token,params,source,reply,tcp_host);
2610                 break;
2611                 // i <NICK> <CHANNEL>
2612                 // invite a user to a channel
2613                 case 'i':
2614                         handle_i(token,params,source,reply,tcp_host);
2615                 break;
2616                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2617                 // kick a user from a channel
2618                 case 'k':
2619                         handle_k(token,params,source,reply,tcp_host);
2620                 break;
2621                 // n <NICK> <NEWNICK>
2622                 // change nickname of client -- a server should only be able to
2623                 // change the nicknames of clients that reside on it unless
2624                 // they are ulined.
2625                 case 'n':
2626                         handle_n(token,params,source,reply,tcp_host);
2627                 break;
2628                 // J <NICK> <CHANLIST>
2629                 // Join user to channel list, merge channel permissions
2630                 case 'J':
2631                         handle_J(token,params,source,reply,tcp_host);
2632                 break;
2633                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2634                 // change channel topic (netburst only)
2635                 case 'T':
2636                         handle_T(token,params,source,reply,tcp_host);
2637                 break;
2638                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2639                 // Server setting modes on an object
2640                 case 'M':
2641                         handle_M(token,params,source,reply,tcp_host);
2642                 break;
2643                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2644                 // User setting modes on an object
2645                 case 'm':
2646                         handle_m(token,params,source,reply,tcp_host);
2647                 break;
2648                 // P <SOURCE> <TARGET> :<TEXT>
2649                 // Send a private/channel message
2650                 case 'P':
2651                         handle_P(token,params,source,reply,tcp_host);
2652                 break;
2653                 // V <SOURCE> <TARGET> :<TEXT>
2654                 // Send a private/channel notice
2655                 case 'V':
2656                         handle_V(token,params,source,reply,tcp_host);
2657                 break;
2658                 // L <SOURCE> <CHANNEL> :<REASON>
2659                 // User parting a channel
2660                 case 'L':
2661                         handle_L(token,params,source,reply,tcp_host);
2662                 break;
2663                 // Q <SOURCE> :<REASON>
2664                 // user quitting
2665                 case 'Q':
2666                         handle_Q(token,params,source,reply,tcp_host);
2667                 break;
2668                 // H <SERVER>
2669                 // introduce non-meshable server (such as a services server)
2670                 case 'H':
2671                         handle_H(token,params,source,reply,tcp_host);
2672                 break;
2673                 // K <SOURCE> <DEST> :<REASON>
2674                 // remote kill
2675                 case 'K':
2676                         handle_K(token,params,source,reply,tcp_host);
2677                 break;
2678                 // @ <SOURCE> :<TEXT>
2679                 // wallops
2680                 case '@':
2681                         handle_AT(token,params,source,reply,tcp_host);
2682                 break;
2683                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2684                 // add gline
2685                 case '#':
2686                         handle_hash(token,params,source,reply,tcp_host);
2687                 break;
2688                 // . <mask> <who>
2689                 // remove gline
2690                 case '.':
2691                         handle_dot(token,params,source,reply,tcp_host);
2692                 break;
2693                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2694                 // add gline
2695                 case '{':
2696                         handle_add_sqline(token,params,source,reply,tcp_host);
2697                 break;
2698                 // . <mask> <who>
2699                 // remove gline
2700                 case '[':
2701                         handle_del_sqline(token,params,source,reply,tcp_host);
2702                 break;
2703                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2704                 // add gline
2705                 case '}':
2706                         handle_add_szline(token,params,source,reply,tcp_host);
2707                 break;
2708                 // . <mask> <who>
2709                 // remove gline
2710                 case ']':
2711                         handle_del_szline(token,params,source,reply,tcp_host);
2712                 break;
2713                 // | <nick> <opertype>
2714                 // set opertype
2715                 case '|':
2716                         handle_pipe(token,params,source,reply,tcp_host);
2717                 break;
2718                 // F <TS>
2719                 // end netburst
2720                 case 'F':
2721                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2722                         handle_F(token,params,source,reply,tcp_host);
2723                         nb_start = 0;
2724                         // tell all the other servers to use this authcookie to connect back again
2725                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2726                         snprintf(buffer,MAXBUF,"+ %s %s %d %d",tcp_host,ipaddr,port,authcookie);
2727                         NetSendToAllExcept(tcp_host,buffer);
2728                 break;
2729                 case '/':
2730                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2731                         strlcpy(source->nickserv,params,NICKMAX);
2732                 break;
2733                 // F <TS>
2734                 // end netburst with no mesh creation
2735                 case 'f':
2736                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2737                         handle_F(token,params,source,reply,tcp_host);
2738                         nb_start = 0;
2739                         // tell everyone else about the new server name so they just add it in the disconnected
2740                         // state
2741                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2742                         NetSendToAllExcept(tcp_host,buffer);
2743                 break;
2744                 // X <reserved>
2745                 // Send netburst now
2746                 case 'X':
2747                         WriteOpers("Sending my netburst to %s",tcp_host);
2748                         DoSync(source,tcp_host);
2749                         WriteOpers("Send of netburst to %s completed",tcp_host);
2750                         NetSendMyRoutingTable();
2751                 break;
2752                 // anything else
2753                 default:
2754                         WriteOpers("WARNING! Unknown datagram type '%c'",token);
2755                 break;
2756         }
2757 }
2758
2759
2760 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2761 {
2762         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)))
2763         {
2764                 // a user on a server port, just close their connection.
2765                 RemoveServer(tcp_host);
2766                 return;
2767         }
2768
2769         char response[10240];
2770         char token = udp_msg[0];
2771         char* old = udp_msg;
2772
2773         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2774         {
2775                 char* src = udp_msg+1;
2776                 while (udp_msg[0] != ' ')
2777                         udp_msg++;
2778                 udp_msg[0] = 0;
2779                 udp_msg++;
2780                 char* comd = udp_msg;
2781                 while (udp_msg[0] != ' ')
2782                         udp_msg++;
2783                 udp_msg[0] = 0;
2784                 udp_msg++;
2785                 char data[MAXBUF];
2786                 char source[MAXBUF];
2787                 char command[MAXBUF];
2788                 strlcpy(data,udp_msg,512);
2789                 strlcpy(source,src,MAXBUF);
2790                 strlcpy(command,comd,MAXBUF);
2791                 udp_msg = old;
2792
2793                 // unused numeric:
2794                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2795                 if (!strcmp(command,"433"))
2796                 {
2797                         token = '*';
2798                 }
2799                 if (!strcmp(command,"432"))
2800                 {
2801                         token = '*';
2802                 }
2803                 if (!strcmp(command,"PING"))
2804                 {
2805                         token = '*';
2806                 }
2807                 if (!strcmp(command,"NOTICE"))
2808                 {
2809                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2810                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2811                         token = udp_msg[0];
2812                 }
2813                 if (!strcmp(command,"QUIT"))
2814                 {
2815                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2816                         {
2817                                 strcpy(data,":No reason");
2818                         }
2819                         if (!strcmp(data,":"))
2820                         {
2821                                 strcpy(data,":No reason");
2822                         }
2823                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2824                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2825                         token = udp_msg[0];
2826                 }
2827                 if (!strcmp(command,"SQUIT"))
2828                 {
2829                         snprintf(udp_msg,MAXBUF,"& %s",source);
2830                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2831                         token = udp_msg[0];
2832                 }
2833                 if (!strcmp(command,"SVSMODE"))
2834                 {
2835                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2836                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2837                         token = udp_msg[0];
2838                 }
2839                 if (!strcmp(command,"SVS2MODE"))
2840                 {
2841                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2842                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2843                         token = udp_msg[0];
2844                 }
2845                 // todo: this wont work without u:lines
2846                 // in give_ops etc allow nick on a u:lined serv to do just about anything
2847                 if (!strcmp(command,"MODE"))
2848                 {
2849                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2850                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
2851                         token = udp_msg[0];
2852                 }
2853                 if (!strcmp(command,"KICK"))
2854                 {
2855                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
2856                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
2857                         token = udp_msg[0];
2858                 }
2859                 if (!strcmp(command,"KILL"))
2860                 {
2861                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
2862                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
2863                         token = udp_msg[0];
2864                 }
2865                 if (!strcmp(command,"SVSJOIN"))
2866                 {
2867                         snprintf(udp_msg,MAXBUF,"J %s",data);
2868                         NetSendToOne(tcp_host,udp_msg);
2869                         char* nick = strtok(data," ");
2870                         char* chan = strtok(NULL," ");
2871                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
2872                         userrec* u = Find(nick);
2873                         if (u)
2874                         {
2875                                 add_channel(u,chan,"",true);
2876                         }
2877                         token = udp_msg[0];
2878                 }
2879
2880         }
2881
2882
2883         char* params = udp_msg + 2;
2884         char finalparam[1024];
2885         strcpy(finalparam," :xxxx");
2886         if (strstr(udp_msg," :")) {
2887                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
2888         }
2889
2890
2891         if (token == '-') {
2892                 char* cookie = strtok(params," ");
2893                 char* servername = strtok(NULL," ");
2894                 char* serverdesc = finalparam+2;
2895
2896                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
2897
2898                 for (int u = 0; u < auth_cookies.size(); u++)
2899                 {
2900                         if (auth_cookies[u] == atoi(cookie))
2901                         {
2902                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
2903
2904
2905                                 for (int j = 0; j < 32; j++)
2906                                 {
2907                                         if (me[j] != NULL)
2908                                         {
2909                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
2910                                                 {
2911                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
2912                                                         {
2913                                                                 me[j]->connectors[k].SetServerName(servername);
2914                                                                 me[j]->connectors[k].SetDescription(serverdesc);
2915                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
2916                                                                 NetSendMyRoutingTable();
2917                                                                 return;
2918                                                         }
2919                                                 }
2920                                         }
2921                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
2922                                         return;
2923                                 }
2924
2925
2926                                 return;
2927                         }
2928                 }
2929                 // bad cookie, bad bad! go sit in the corner!
2930                 WriteOpers("Bad cookie from %s!",servername);
2931                 return;
2932         }
2933         else
2934         if (token == 'S') {
2935                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
2936                 char* servername = strtok(params," ");
2937                 char* password = strtok(NULL," ");
2938                 char* myport = strtok(NULL," ");
2939                 char* revision = strtok(NULL," ");
2940                 char* serverdesc = finalparam+2;
2941
2942                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
2943
2944                 ircd_connector* cn = serv->FindHost(servername);
2945
2946                 if (cn)
2947                 {
2948                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
2949                         char buffer[MAXBUF];
2950                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
2951                         serv->SendPacket(buffer,tcp_host);
2952                         RemoveServer(tcp_host);
2953                         return;
2954                 }
2955
2956                 if (atoi(revision) != GetRevision())
2957                 {
2958                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
2959                         char buffer[MAXBUF];
2960                         sprintf(buffer,"E :Version number mismatch");
2961                         serv->SendPacket(buffer,tcp_host);
2962                         RemoveServer(tcp_host);
2963                         RemoveServer(servername);
2964                         return;
2965                 }
2966
2967                 for (int j = 0; j < serv->connectors.size(); j++)
2968                 {
2969                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
2970                         {
2971                                 serv->connectors[j].SetServerName(servername);
2972                                 serv->connectors[j].SetDescription(serverdesc);
2973                                 serv->connectors[j].SetServerPort(atoi(myport));
2974                         }
2975                 }
2976
2977
2978                 char Link_ServerName[1024];
2979                 char Link_IPAddr[1024];
2980                 char Link_Port[1024];
2981                 char Link_Pass[1024];
2982                 char Link_SendPass[1024];
2983                 int LinkPort = 0;
2984
2985                 // search for a corresponding <link> block in the config files
2986                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
2987                 {
2988                         ConfValue("link","name",i,Link_ServerName,&config_f);
2989                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
2990                         ConfValue("link","port",i,Link_Port,&config_f);
2991                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
2992                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
2993                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
2994                         LinkPort = atoi(Link_Port);
2995                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
2996                         {
2997                                 // we have a matching link line -
2998                                 // send a 'diminutive' server message back...
2999                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3000                                 serv->SendPacket(response,servername);
3001
3002                                 for (int t = 0; t < serv->connectors.size(); t++)
3003                                 {
3004                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3005                                         {
3006                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3007                                         }
3008                                 }
3009
3010                                 return;
3011                         }
3012                 }
3013                 char buffer[MAXBUF];
3014                 sprintf(buffer,"E :Access is denied (no matching link block)");
3015                 serv->SendPacket(buffer,tcp_host);
3016                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3017                 RemoveServer(tcp_host);
3018                 RemoveServer(servername);
3019                 return;
3020         }
3021         else
3022         if (token == 's') {
3023                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3024                 char* servername = strtok(params," ");
3025                 char* password = strtok(NULL," ");
3026                 char* serverdesc = finalparam+2;
3027
3028                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3029                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3030                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3031                 // a connect, so put out an oper alert!
3032
3033                 // for now, just accept all, we'll fix that later.
3034                 WriteOpers("%s accepted our link credentials ",servername);
3035
3036                 char Link_ServerName[1024];
3037                 char Link_IPAddr[1024];
3038                 char Link_Port[1024];
3039                 char Link_Pass[1024];
3040                 char Link_SendPass[1024];
3041                 int LinkPort = 0;
3042
3043                 // search for a corresponding <link> block in the config files
3044                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3045                 {
3046                         ConfValue("link","name",i,Link_ServerName,&config_f);
3047                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3048                         ConfValue("link","port",i,Link_Port,&config_f);
3049                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3050                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3051                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3052                         LinkPort = atoi(Link_Port);
3053                         if (!strcasecmp(Link_ServerName,servername))
3054                         {
3055                                 // matching link at this end too, we're all done!
3056                                 // at this point we must begin key exchange and insert this
3057                                 // server into our 'active' table.
3058                                 for (int j = 0; j < 32; j++)
3059                                 {
3060                                         if (me[j] != NULL)
3061                                         {
3062                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3063                                                 {
3064                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3065                                                         {
3066                                                                 char buffer[MAXBUF];
3067                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3068                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3069                                                                 sprintf(buffer,"X 0");
3070                                                                 serv->SendPacket(buffer,tcp_host);
3071                                                                 DoSync(me[j],tcp_host);
3072                                                                 NetSendMyRoutingTable();
3073                                                                 return;
3074                                                         }
3075                                                 }
3076                                         }
3077                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3078                                         return;
3079                                 }
3080                         }
3081                         else {
3082                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3083                         }
3084                 }
3085                 char buffer[MAXBUF];
3086                 sprintf(buffer,"E :Access is denied (no matching link block)");
3087                 serv->SendPacket(buffer,tcp_host);
3088                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3089                 RemoveServer(tcp_host);
3090                 RemoveServer(servername);
3091                 return;
3092         }
3093         else
3094         if (token == 'U') {
3095                 // U services.chatspike.net password :ChatSpike Services
3096                 //
3097                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3098                 char* servername = strtok(params," ");
3099                 char* password = strtok(NULL," ");
3100                 char* serverdesc = finalparam+2;
3101
3102                 char Link_ServerName[1024];
3103                 char Link_IPAddr[1024];
3104                 char Link_Port[1024];
3105                 char Link_Pass[1024];
3106                 char Link_SendPass[1024];
3107                 int LinkPort = 0;
3108
3109                 log(DEBUG,"U-token linked server detected.");
3110
3111                 // search for a corresponding <link> block in the config files
3112                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3113                 {
3114                         ConfValue("link","name",i,Link_ServerName,&config_f);
3115                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3116                         ConfValue("link","port",i,Link_Port,&config_f);
3117                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3118                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3119                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3120                         LinkPort = atoi(Link_Port);
3121                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3122                         {
3123                                 // matching link at this end too, we're all done!
3124                                 // at this point we must begin key exchange and insert this
3125                                 // server into our 'active' table.
3126                                 for (int j = 0; j < 32; j++)
3127                                 {
3128                                         if (me[j] != NULL)
3129                                         {
3130                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3131                                                 {
3132                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3133                                                         {
3134                                                                 char buffer[MAXBUF];
3135                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3136                                                                 me[j]->connectors[k].SetServerName(servername);
3137                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3138                                                                 sprintf(buffer,"X 0");
3139                                                                 serv->SendPacket(buffer,servername);
3140                                                                 DoSync(me[j],servername);
3141                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3142                                                                 NetSendToAllExcept(servername,buffer);
3143                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3144                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3145                                                                 NetSendMyRoutingTable();
3146                                                                 return;
3147                                                         }
3148                                                 }
3149                                         }
3150                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",tcp_host);
3151                                         return;
3152                                 }
3153                         }
3154                         else {
3155                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3156                         }
3157                 }
3158                 char buffer[MAXBUF];
3159                 sprintf(buffer,"E :Access is denied (no matching link block)");
3160                 serv->SendPacket(buffer,tcp_host);
3161                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3162                 RemoveServer(tcp_host);
3163                 RemoveServer(servername);
3164                 return;
3165         }
3166         else
3167         if (token == 'E') {
3168                 char* error_message = finalparam+2;
3169                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3170                 return;
3171         }
3172         else {
3173
3174                 serverrec* source_server = NULL;
3175
3176                 for (int j = 0; j < 32; j++)
3177                 {
3178                         if (me[j] != NULL)
3179                         {
3180                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3181                                 {
3182                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3183                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3184                                         {
3185                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3186                                                 {
3187                                                         // found a valid ircd_connector.
3188                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3189                                                         return;
3190                                                 }
3191                                         }
3192                                 }
3193                         }
3194                 }
3195
3196                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3197         }
3198 }
3199
3200 long duration(const char* str)
3201 {
3202         char n_field[MAXBUF];
3203         long total = 0;
3204         const char* str_end = str + strlen(str);
3205         n_field[0] = 0;
3206
3207         for (char* i = (char*)str; i < str_end; i++)
3208         {
3209                 // if we have digits, build up a string for the value in n_field,
3210                 // up to 10 digits in size.
3211                 if ((*i >= '0') && (*i <= '9'))
3212                 {
3213                         strlcat(n_field,i,10);
3214                 }
3215                 else
3216                 {
3217                         // we dont have a digit, check for numeric tokens
3218                         switch (tolower(*i))
3219                         {
3220                                 case 's':
3221                                         total += atoi(n_field);
3222                                 break;
3223
3224                                 case 'm':
3225                                         total += (atoi(n_field)*duration_m);
3226                                 break;
3227
3228                                 case 'h':
3229                                         total += (atoi(n_field)*duration_h);
3230                                 break;
3231
3232                                 case 'd':
3233                                         total += (atoi(n_field)*duration_d);
3234                                 break;
3235
3236                                 case 'w':
3237                                         total += (atoi(n_field)*duration_w);
3238                                 break;
3239
3240                                 case 'y':
3241                                         total += (atoi(n_field)*duration_y);
3242                                 break;
3243                         }
3244                         n_field[0] = 0;
3245                 }
3246         }
3247         // add trailing seconds
3248         total += atoi(n_field);
3249
3250         return total;
3251 }
3252
3253
3254 void handle_kline(char **parameters, int pcnt, userrec *user)
3255 {
3256         if (pcnt >= 3)
3257         {
3258                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3259                 if (!duration(parameters[1]))
3260                 {
3261                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3262                 }
3263                 else
3264                 {
3265                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3266                 }
3267         }
3268         else
3269         {
3270                 if (del_kline(parameters[0]))
3271                 {
3272                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3273                 }
3274                 else
3275                 {
3276                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3277                 }
3278         }
3279         apply_lines();
3280 }
3281
3282 void handle_eline(char **parameters, int pcnt, userrec *user)
3283 {
3284         if (pcnt >= 3)
3285         {
3286                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3287                 if (!duration(parameters[1]))
3288                 {
3289                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3290                 }
3291                 else
3292                 {
3293                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3294                 }
3295         }
3296         else
3297         {
3298                 if (del_eline(parameters[0]))
3299                 {
3300                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3301                 }
3302                 else
3303                 {
3304                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3305                 }
3306         }
3307         // no need to apply the lines for an eline
3308 }
3309
3310 void handle_gline(char **parameters, int pcnt, userrec *user)
3311 {
3312         char netdata[MAXBUF];
3313         if (pcnt >= 3)
3314         {
3315                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3316                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3317                 snprintf(netdata,MAXBUF,"# %s %s %ld %ld :%s",parameters[0],user->nick,TIME,duration(parameters[1]),parameters[2]);
3318                 NetSendToAll(netdata);
3319                 if (!duration(parameters[1]))
3320                 {
3321                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3322                 }
3323                 else
3324                 {
3325                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3326                 }
3327         }
3328         else
3329         {
3330                 if (del_gline(parameters[0]))
3331                 {
3332                         // . <mask> <who-removed-it>
3333                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3334                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3335                 }
3336                 else
3337                 {
3338                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3339                 }
3340         }
3341         apply_lines();
3342 }
3343
3344 void handle_zline(char **parameters, int pcnt, userrec *user)
3345 {
3346         if (pcnt >= 3)
3347         {
3348                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3349                 if (!duration(parameters[1]))
3350                 {
3351                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3352                 }
3353                 else
3354                 {
3355                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3356                 }
3357         }
3358         else
3359         {
3360                 if (del_zline(parameters[0]))
3361                 {
3362                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3363                 }
3364                 else
3365                 {
3366                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3367                 }
3368         }
3369         apply_lines();
3370 }
3371
3372 void handle_qline(char **parameters, int pcnt, userrec *user)
3373 {
3374         if (pcnt >= 3)
3375         {
3376                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3377                 if (!duration(parameters[1]))
3378                 {
3379                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3380                 }
3381                 else
3382                 {
3383                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3384                 }
3385         }
3386         else
3387         {
3388                 if (del_qline(parameters[0]))
3389                 {
3390                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3391                 }
3392                 else
3393                 {
3394                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3395                 }
3396         }
3397         apply_lines();
3398 }
3399
3400