src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern time_t TIME;
  95
  96 extern std::vector<std::string> module_names;
  97
  98 extern char MyExecutable[1024];
  99 extern int boundPortCount;
 100 extern int portCount;
 101 extern int UDPportCount;
 102 extern int ports[MAXSOCKS];
 103 extern int defaultRoute;
 104
 105 extern std::vector<long> auth_cookies;
 106 extern std::stringstream config_f;
 107
 108 extern serverrec* me[32];
 109
 110 extern FILE *log_file;
 111
 112 extern ClassVector Classes;
 113
 114 const long duration_m = 60;
 115 const long duration_h = duration_m * 60;
 116 const long duration_d = duration_h * 24;
 117 const long duration_w = duration_d * 7;
 118 const long duration_y = duration_w * 52;
 119
 120 namespace nspace
 121 {
 122 #ifdef GCC34
 123         template<> struct hash<in_addr>
 124 #else
 125         template<> struct nspace::hash<in_addr>
 126 #endif
 127         {
 128                 size_t operator()(const struct in_addr &a) const
 129                 {
 130                         size_t q;
 131                         memcpy(&q,&a,sizeof(size_t));
 132                         return q;
 133                 }
 134         };
 135 #ifdef GCC34
 136         template<> struct hash<string>
 137 #else
 138         template<> struct nspace::hash<string>
 139 #endif
 140         {
 141                 size_t operator()(const string &s) const
 142                 {
 143                         char a[MAXBUF];
 144                         static struct hash<const char *> strhash;
 145                         strlcpy(a,s.c_str(),MAXBUF);
 146                         strlower(a);
 147                         return strhash(a);
 148                 }
 149         };
 150 }
 151
 152
 153 struct StrHashComp
 154 {
 155
 156         bool operator()(const string& s1, const string& s2) const
 157         {
 158                 char a[MAXBUF],b[MAXBUF];
 159                 strlcpy(a,s1.c_str(),MAXBUF);
 160                 strlcpy(b,s2.c_str(),MAXBUF);
 161                 strlower(a);
 162                 strlower(b);
 163                 return (strcasecmp(a,b) == 0);
 164         }
 165
 166 };
 167
 168 struct InAddr_HashComp
 169 {
 170
 171         bool operator()(const in_addr &s1, const in_addr &s2) const
 172         {
 173                 size_t q;
 174                 size_t p;
 175
 176                 memcpy(&q,&s1,sizeof(size_t));
 177                 memcpy(&p,&s2,sizeof(size_t));
 178
 179                 return (q == p);
 180         }
 181
 182 };
 183
 184
 185 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 186 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 187 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 188 typedef std::deque<command_t> command_table;
 189
 190
 191 extern user_hash clientlist;
 192 extern chan_hash chanlist;
 193 extern user_hash whowas;
 194 extern command_table cmdlist;
 195 extern file_cache MOTD;
 196 extern file_cache RULES;
 197 extern address_cache IP;
 198
 199 extern std::vector<userrec*> all_opers;
 200
 201 // This table references users by file descriptor.
 202 // its an array to make it VERY fast, as all lookups are referenced
 203 // by an integer, meaning there is no need for a scan/search operation.
 204 extern userrec* fd_ref_table[65536];
 205
 206
 207 void handle_join(char **parameters, int pcnt, userrec *user)
 208 {
 209         chanrec* Ptr;
 210
 211         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 212                 return;
 213         if (parameters[0][0] == '#')
 214         {
 215                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 216         }
 217 }
 218
 219
 220 void handle_part(char **parameters, int pcnt, userrec *user)
 221 {
 222         if (pcnt > 1)
 223         {
 224                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 225                         return;
 226                 del_channel(user,parameters[0],parameters[1],false);
 227         }
 228         else
 229         {
 230                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 231                         return;
 232                 del_channel(user,parameters[0],NULL,false);
 233         }
 234 }
 235
 236 void handle_kick(char **parameters, int pcnt, userrec *user)
 237 {
 238         chanrec* Ptr = FindChan(parameters[0]);
 239         userrec* u   = Find(parameters[1]);
 240
 241         if ((!u) || (!Ptr))
 242         {
 243                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 244                 return;
 245         }
 246
 247         if (!has_channel(user,Ptr))
 248         {
 249                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 250                 return;
 251         }
 252
 253         char reason[MAXBUF];
 254
 255         if (pcnt > 2)
 256         {
 257                 strlcpy(reason,parameters[2],MAXBUF);
 258                 if (strlen(reason)>MAXKICK)
 259                 {
 260                         reason[MAXKICK-1] = '\0';
 261                 }
 262
 263                 kick_channel(user,u,Ptr,reason);
 264         }
 265         else
 266         {
 267                 strlcpy(reason,user->nick,MAXBUF);
 268                 kick_channel(user,u,Ptr,reason);
 269         }
 270
 271         // this must be propogated so that channel membership is kept in step network-wide
 272         char buffer[MAXBUF];
 273         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 274         NetSendToAll(buffer);
 275 }
 276
 277 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 278 {
 279         if (LoadModule(parameters[0]))
 280         {
 281                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 282                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 283         }
 284         else
 285         {
 286                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 287         }
 288 }
 289
 290 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 291 {
 292         if (UnloadModule(parameters[0]))
 293         {
 294                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 295                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 296         }
 297         else
 298         {
 299                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 300         }
 301 }
 302
 303 void handle_die(char **parameters, int pcnt, userrec *user)
 304 {
 305         log(DEBUG,"die: %s",user->nick);
 306         if (!strcmp(parameters[0],diepass))
 307         {
 308                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 309                 sleep(DieDelay);
 310                 Exit(ERROR);
 311         }
 312         else
 313         {
 314                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 315         }
 316 }
 317
 318 void handle_restart(char **parameters, int pcnt, userrec *user)
 319 {
 320         char *argv[32];
 321         log(DEFAULT,"Restart: %s",user->nick);
 322         if (!strcmp(parameters[0],restartpass))
 323         {
 324                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 325
 326                 argv[0] = MyExecutable;
 327                 argv[1] = "-wait";
 328                 if (nofork)
 329                 {
 330                         argv[2] = "-nofork";
 331                 }
 332                 else
 333                 {
 334                         argv[2] = NULL;
 335                 }
 336                 argv[3] = NULL;
 337
 338                 // close ALL file descriptors
 339                 send_error("Server restarting.");
 340                 sleep(1);
 341                 for (int i = 0; i < 65536; i++)
 342                 {
 343                         int on = 1;
 344                         struct linger linger = { 0 };
 345                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 346                         linger.l_onoff = 1;
 347                         linger.l_linger = 1;
 348                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 349                         Blocking(i);
 350                         close(i);
 351                 }
 352                 sleep(2);
 353
 354                 execv(MyExecutable,argv);
 355
 356                 exit(0);
 357         }
 358         else
 359         {
 360                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 361         }
 362 }
 363
 364 void handle_kill(char **parameters, int pcnt, userrec *user)
 365 {
 366         userrec *u = Find(parameters[0]);
 367         char killreason[MAXBUF];
 368
 369         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 370         if (u)
 371         {
 372                 log(DEBUG,"into kill mechanism");
 373                 int MOD_RESULT = 0;
 374                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 375                 if (MOD_RESULT) {
 376                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 377                         return;
 378                 }
 379
 380                 if (strcmp(ServerName,u->server))
 381                 {
 382                         // remote kill
 383                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 384                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 385                         WriteCommonExcept(u,"QUIT :%s",killreason);
 386                         // K token must go to ALL servers!!!
 387                         char buffer[MAXBUF];
 388                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 389                         NetSendToAll(buffer);
 390
 391                         user_hash::iterator iter = clientlist.find(u->nick);
 392                         if (iter != clientlist.end())
 393                         {
 394                                 log(DEBUG,"deleting user hash value %d",iter->second);
 395                                 clientlist.erase(iter);
 396                         }
 397                         if (u->registered == 7)
 398                         {
 399                                 purge_empty_chans(u);
 400                         }
 401                         if (u->fd > -1)
 402                                 fd_ref_table[u->fd] = NULL;
 403                         delete u;
 404                 }
 405                 else
 406                 {
 407                         // local kill
 408                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 409                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 410                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 411                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 412                         kill_link(u,killreason);
 413                 }
 414         }
 415         else
 416         {
 417                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 418         }
 419 }
 420
 421 void handle_summon(char **parameters, int pcnt, userrec *user)
 422 {
 423         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 424 }
 425
 426 void handle_users(char **parameters, int pcnt, userrec *user)
 427 {
 428         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 429 }
 430
 431 void handle_pass(char **parameters, int pcnt, userrec *user)
 432 {
 433         // Check to make sure they havnt registered -- Fix by FCS
 434         if (user->registered == 7)
 435         {
 436                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 437                 return;
 438         }
 439         strlcpy(user->password,parameters[0],MAXBUF);
 440         if (!strcasecmp(parameters[0],Passwd(user)))
 441         {
 442                 user->haspassed = true;
 443         }
 444 }
 445
 446 void handle_invite(char **parameters, int pcnt, userrec *user)
 447 {
 448         userrec* u = Find(parameters[0]);
 449         chanrec* c = FindChan(parameters[1]);
 450
 451         if ((!c) || (!u))
 452         {
 453                 if (!c)
 454                 {
 455                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 456                 }
 457                 else
 458                 {
 459                         if (c->inviteonly)
 460                         {
 461                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 462                         }
 463                 }
 464
 465                 return;
 466         }
 467
 468         if (c->inviteonly)
 469         {
 470                 if (cstatus(user,c) < STATUS_HOP)
 471                 {
 472                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 473                         return;
 474                 }
 475         }
 476         if (has_channel(u,c))
 477         {
 478                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 479                 return;
 480         }
 481         if (!has_channel(user,c))
 482         {
 483                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 484                 return;
 485         }
 486
 487         int MOD_RESULT = 0;
 488         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 489         if (MOD_RESULT == 1) {
 490                 return;
 491         }
 492
 493         u->InviteTo(c->name);
 494         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 495         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 496
 497         // i token must go to ALL servers!!!
 498         char buffer[MAXBUF];
 499         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 500         NetSendToAll(buffer);
 501 }
 502
 503 void handle_topic(char **parameters, int pcnt, userrec *user)
 504 {
 505         chanrec* Ptr;
 506
 507         if (pcnt == 1)
 508         {
 509                 if (strlen(parameters[0]) <= CHANMAX)
 510                 {
 511                         Ptr = FindChan(parameters[0]);
 512                         if (Ptr)
 513                         {
 514                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 515                                 {
 516                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 517                                         return;
 518                                 }
 519                                 if (Ptr->topicset)
 520                                 {
 521                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 522                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 523                                 }
 524                                 else
 525                                 {
 526                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 527                                 }
 528                         }
 529                         else
 530                         {
 531                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 532                         }
 533                 }
 534                 return;
 535         }
 536         else if (pcnt>1)
 537         {
 538                 if (strlen(parameters[0]) <= CHANMAX)
 539                 {
 540                         Ptr = FindChan(parameters[0]);
 541                         if (Ptr)
 542                         {
 543                                 if ((Ptr) && (!has_channel(user,Ptr)))
 544                                 {
 545                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 546                                         return;
 547                                 }
 548                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 549                                 {
 550                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 551                                         return;
 552                                 }
 553
 554                                 char topic[MAXBUF];
 555                                 strlcpy(topic,parameters[1],MAXBUF);
 556                                 if (strlen(topic)>MAXTOPIC)
 557                                 {
 558                                         topic[MAXTOPIC-1] = '\0';
 559                                 }
 560
 561                                 if (!strcasecmp(user->server,ServerName))
 562                                 {
 563                                         int MOD_RESULT = 0;
 564                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 565                                         if (MOD_RESULT)
 566                                                 return;
 567                                 }
 568
 569                                 strlcpy(Ptr->topic,topic,MAXBUF);
 570                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 571                                 Ptr->topicset = TIME;
 572                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 573
 574                                 // t token must go to ALL servers!!!
 575                                 char buffer[MAXBUF];
 576                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 577                                 NetSendToAll(buffer);
 578                         }
 579                         else
 580                         {
 581                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 582                         }
 583                 }
 584         }
 585 }
 586
 587 void handle_names(char **parameters, int pcnt, userrec *user)
 588 {
 589         chanrec* c;
 590
 591         if (!pcnt)
 592         {
 593                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 594                 return;
 595         }
 596
 597         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 598                 return;
 599         c = FindChan(parameters[0]);
 600         if (c)
 601         {
 602                 if (((c) && (!has_channel(user,c))) && (c->secret))
 603                 {
 604                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 605                       return;
 606                 }
 607                 userlist(user,c);
 608                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 609         }
 610         else
 611         {
 612                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 613         }
 614 }
 615
 616 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 617 {
 618         userrec *dest;
 619         chanrec *chan;
 620
 621         user->idle_lastmsg = TIME;
 622
 623         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 624                 return;
 625         if (parameters[0][0] == '#')
 626         {
 627                 chan = FindChan(parameters[0]);
 628                 if (chan)
 629                 {
 630                         if ((chan->noexternal) && (!has_channel(user,chan)))
 631                         {
 632                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 633                                 return;
 634                         }
 635                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 636                         {
 637                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 638                                 return;
 639                         }
 640
 641                         int MOD_RESULT = 0;
 642
 643                         std::string temp = parameters[1];
 644                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 645                         if (MOD_RESULT) {
 646                                 return;
 647                         }
 648                         parameters[1] = (char*)temp.c_str();
 649
 650                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 651
 652                         // if any users of this channel are on remote servers, broadcast the packet
 653                         char buffer[MAXBUF];
 654                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 655                         NetSendToCommon(user,buffer);
 656                 }
 657                 else
 658                 {
 659                         /* no such nick/channel */
 660                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 661                 }
 662                 return;
 663         }
 664
 665         dest = Find(parameters[0]);
 666         if (dest)
 667         {
 668                 if (strcmp(dest->awaymsg,""))
 669                 {
 670                         /* auto respond with aweh msg */
 671                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 672                 }
 673
 674                 int MOD_RESULT = 0;
 675
 676                 std::string temp = parameters[1];
 677                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 678                 if (MOD_RESULT) {
 679                         return;
 680                 }
 681                 parameters[1] = (char*)temp.c_str();
 682
 683
 684
 685                 if (!strcmp(dest->server,user->server))
 686                 {
 687                         // direct write, same server
 688                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 689                 }
 690                 else
 691                 {
 692                         char buffer[MAXBUF];
 693                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 694                         NetSendToOne(dest->server,buffer);
 695                 }
 696         }
 697         else
 698         {
 699                 /* no such nick/channel */
 700                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 701         }
 702 }
 703
 704 void handle_notice(char **parameters, int pcnt, userrec *user)
 705 {
 706         userrec *dest;
 707         chanrec *chan;
 708
 709         user->idle_lastmsg = TIME;
 710
 711         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 712                 return;
 713         if (parameters[0][0] == '#')
 714         {
 715                 chan = FindChan(parameters[0]);
 716                 if (chan)
 717                 {
 718                         if ((chan->noexternal) && (!has_channel(user,chan)))
 719                         {
 720                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 721                                 return;
 722                         }
 723                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 724                         {
 725                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 726                                 return;
 727                         }
 728
 729                         int MOD_RESULT = 0;
 730
 731                         std::string temp = parameters[1];
 732                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 733                         if (MOD_RESULT) {
 734                                 return;
 735                         }
 736                         parameters[1] = (char*)temp.c_str();
 737
 738                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 739
 740                         // if any users of this channel are on remote servers, broadcast the packet
 741                         char buffer[MAXBUF];
 742                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 743                         NetSendToCommon(user,buffer);
 744                 }
 745                 else
 746                 {
 747                         /* no such nick/channel */
 748                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 749                 }
 750                 return;
 751         }
 752
 753         dest = Find(parameters[0]);
 754         if (dest)
 755         {
 756                 int MOD_RESULT = 0;
 757
 758                 std::string temp = parameters[1];
 759                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 760                 if (MOD_RESULT) {
 761                         return;
 762                 }
 763                 parameters[1] = (char*)temp.c_str();
 764
 765                 if (!strcmp(dest->server,user->server))
 766                 {
 767                         // direct write, same server
 768                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 769                 }
 770                 else
 771                 {
 772                         char buffer[MAXBUF];
 773                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 774                         NetSendToOne(dest->server,buffer);
 775                 }
 776         }
 777         else
 778         {
 779                 /* no such nick/channel */
 780                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 781         }
 782 }
 783
 784 void handle_server(char **parameters, int pcnt, userrec *user)
 785 {
 786         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 787         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 788 }
 789
 790 void handle_info(char **parameters, int pcnt, userrec *user)
 791 {
 792         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 793         WriteServ(user->fd,"371 %s : ",user->nick);
 794         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 795         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 796         WriteServ(user->fd,"371 %s : ",user->nick);
 797         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 798         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 799         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 800         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 801         WriteServ(user->fd,"371 %s : ",user->nick);
 802         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 803         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 804         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 805         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 806         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 807         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 808         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 809         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 810         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 811         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 812         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 813         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 814         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 815         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 816         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 817         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 818         WriteServ(user->fd,"371 %s : ",user->nick);
 819         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 820         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 821         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 822         WriteServ(user->fd,"371 %s :this software.",user->nick);
 823         WriteServ(user->fd,"371 %s : ",user->nick);
 824         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 825         FOREACH_MOD OnInfo(user);
 826         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 827 }
 828
 829 void handle_time(char **parameters, int pcnt, userrec *user)
 830 {
 831         time_t rawtime;
 832         struct tm * timeinfo;
 833
 834         time ( &rawtime );
 835         timeinfo = localtime ( &rawtime );
 836         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 837
 838 }
 839
 840 void handle_whois(char **parameters, int pcnt, userrec *user)
 841 {
 842         userrec *dest;
 843
 844         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 845                 return;
 846         dest = Find(parameters[0]);
 847         if (dest)
 848         {
 849                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 850                 if (dest->registered == 7)
 851                 {
 852                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 853                         if ((user == dest) || (strchr(user->modes,'o')))
 854                         {
 855                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 856                         }
 857                         if (strcmp(chlist(dest),""))
 858                         {
 859                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 860                         }
 861                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 862                         if (strcmp(dest->awaymsg,""))
 863                         {
 864                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 865                         }
 866                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 867                         {
 868                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 869                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 870                         }
 871                         FOREACH_MOD OnWhois(user,dest);
 872                         if (!strcasecmp(user->server,dest->server))
 873                         {
 874                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 875                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 876                         }
 877
 878                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 879                 }
 880                 else
 881                 {
 882                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 883                 }
 884         }
 885         else
 886         {
 887                 /* no such nick/channel */
 888                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 889         }
 890 }
 891
 892 void handle_quit(char **parameters, int pcnt, userrec *user)
 893 {
 894         user_hash::iterator iter = clientlist.find(user->nick);
 895         char* reason;
 896
 897         if (user->registered == 7)
 898         {
 899                 /* theres more to do here, but for now just close the socket */
 900                 if (pcnt == 1)
 901                 {
 902                         if (parameters[0][0] == ':')
 903                         {
 904                                 *parameters[0]++;
 905                         }
 906                         reason = parameters[0];
 907
 908                         if (strlen(reason)>MAXQUIT)
 909                         {
 910                                 reason[MAXQUIT-1] = '\0';
 911                         }
 912
 913                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 914                         WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,parameters[0]);
 915                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 916
 917                         char buffer[MAXBUF];
 918                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 919                         NetSendToAll(buffer);
 920                 }
 921                 else
 922                 {
 923                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 924                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 925                         WriteCommonExcept(user,"QUIT :Client exited");
 926
 927                         char buffer[MAXBUF];
 928                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 929                         NetSendToAll(buffer);
 930                 }
 931                 FOREACH_MOD OnUserQuit(user);
 932                 AddWhoWas(user);
 933         }
 934
 935         FOREACH_MOD OnUserDisconnect(user);
 936
 937         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 938         if (user->fd > -1)
 939         {
 940                 shutdown(user->fd,2);
 941                 close(user->fd);
 942         }
 943
 944         if (iter != clientlist.end())
 945         {
 946                 clientlist.erase(iter);
 947         }
 948
 949         if (user->registered == 7) {
 950                 purge_empty_chans(user);
 951         }
 952         if (user->fd > -1)
 953                 fd_ref_table[user->fd] = NULL;
 954         delete user;
 955 }
 956
 957 void handle_who(char **parameters, int pcnt, userrec *user)
 958 {
 959         chanrec* Ptr = NULL;
 960         char tmp[10];
 961
 962         /* theres more to do here, but for now just close the socket */
 963         if (pcnt == 1)
 964         {
 965                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 966                 {
 967                         if (user->chans[0].channel)
 968                         {
 969                                 int n_list = 0;
 970                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 971                                 {
 972                                         Ptr = i->second->chans[0].channel;
 973                                         // suggested by phidjit and FCS
 974                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 975                                         {
 976                                                 // Bug Fix #29
 977                                                 strcpy(tmp, "");
 978                                                 if (strcmp(i->second->awaymsg, "")) {
 979                                                         strncat(tmp, "G", 9);
 980                                                 } else {
 981                                                         strncat(tmp, "H", 9);
 982                                                 }
 983                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 984                                                 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);
 985                                                 n_list++;
 986                                                 if (n_list > MaxWhoResults)
 987                                                         break;
 988                                         }
 989                                 }
 990                         }
 991                         if (Ptr)
 992                         {
 993                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 994                         }
 995                         else
 996                         {
 997                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 998                         }
 999                         return;
1000                 }
1001                 if (parameters[0][0] == '#')
1002                 {
1003                         Ptr = FindChan(parameters[0]);
1004                         if (Ptr)
1005                         {
1006                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1007                                 {
1008                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1009                                         {
1010                                                 // Fix Bug #29 - Part 2..
1011                                                 strcpy(tmp, "");
1012                                                 if (strcmp(i->second->awaymsg, "")) {
1013                                                         strncat(tmp, "G", 9);
1014                                                 } else {
1015                                                         strncat(tmp, "H", 9);
1016                                                 }
1017                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
1018                                                 strcat(tmp, cmode(i->second, Ptr));
1019                                                 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);
1020                                         }
1021                                 }
1022                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1023                         }
1024                         else
1025                         {
1026                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1027                         }
1028                 }
1029                 else
1030                 {
1031                         userrec* u = Find(parameters[0]);
1032                         if (u)
1033                         {
1034                                 // Bug Fix #29 -- Part 29..
1035                                 strcpy(tmp, "");
1036                                 if (strcmp(u->awaymsg, "")) {
1037                                         strncat(tmp, "G" ,9);
1038                                 } else {
1039                                         strncat(tmp, "H" ,9);
1040                                 }
1041                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
1042                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->chans[0].channel ? u->chans[0].channel->name
1043                                 : "*", u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1044                         }
1045                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1046                 }
1047         }
1048         if (pcnt == 2)
1049         {
1050                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1051                 {
1052                         for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
1053                         {
1054                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1055                                 // But i'm a poor bastard with nothing better to do.
1056                                 userrec* oper = *i;
1057                                 strcpy(tmp, "");
1058                                 if (strcmp(oper->awaymsg, "")) {
1059                                         strncat(tmp, "G" ,9);
1060                                 } else {
1061                                         strncat(tmp, "H" ,9);
1062                                 }
1063                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s", user->nick, oper->chans[0].channel ? oper->chans[0].channel->name
1064                                 : "*", oper->ident, oper->dhost, oper->server, oper->nick, tmp, oper->fullname);
1065                         }
1066                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1067                         return;
1068                 }
1069         }
1070 }
1071
1072 void handle_wallops(char **parameters, int pcnt, userrec *user)
1073 {
1074         WriteWallOps(user,false,"%s",parameters[0]);
1075 }
1076
1077 void handle_list(char **parameters, int pcnt, userrec *user)
1078 {
1079         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1080         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1081         {
1082                 if ((!i->second->c_private) && (!i->second->secret))
1083                 {
1084                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1085                 }
1086         }
1087         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1088 }
1089
1090
1091 void handle_rehash(char **parameters, int pcnt, userrec *user)
1092 {
1093         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1094         ReadConfig(false,user);
1095         FOREACH_MOD OnRehash();
1096         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1097 }
1098
1099 void handle_lusers(char **parameters, int pcnt, userrec *user)
1100 {
1101         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1102         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1103         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1104         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1105         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1106 }
1107
1108 void handle_admin(char **parameters, int pcnt, userrec *user)
1109 {
1110         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1111         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1112         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1113         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1114 }
1115
1116 void handle_ping(char **parameters, int pcnt, userrec *user)
1117 {
1118         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1119 }
1120
1121 void handle_pong(char **parameters, int pcnt, userrec *user)
1122 {
1123         // set the user as alive so they survive to next ping
1124         user->lastping = 1;
1125 }
1126
1127 void handle_motd(char **parameters, int pcnt, userrec *user)
1128 {
1129         ShowMOTD(user);
1130 }
1131
1132 void handle_rules(char **parameters, int pcnt, userrec *user)
1133 {
1134         ShowRULES(user);
1135 }
1136
1137 void handle_user(char **parameters, int pcnt, userrec *user)
1138 {
1139         if (user->registered < 3)
1140         {
1141                 if (isident(parameters[0]) == 0) {
1142                         // This kinda Sucks, According to the RFC thou, its either this,
1143                         // or "You have already registered" :p -- Craig
1144                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1145                 }
1146                 else {
1147                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1148                         strlcat(user->ident,parameters[0],IDENTMAX);
1149                         strlcpy(user->fullname,parameters[3],128);
1150                         user->registered = (user->registered | 1);
1151                 }
1152         }
1153         else
1154         {
1155                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1156                 return;
1157         }
1158         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1159         if (user->registered == 3)
1160         {
1161                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1162                 FOREACH_MOD OnUserRegister(user);
1163                 ConnectUser(user);
1164         }
1165 }
1166
1167 void handle_userhost(char **parameters, int pcnt, userrec *user)
1168 {
1169         char Return[MAXBUF],junk[MAXBUF];
1170         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1171         for (int i = 0; i < pcnt; i++)
1172         {
1173                 userrec *u = Find(parameters[i]);
1174                 if (u)
1175                 {
1176                         if (strchr(u->modes,'o'))
1177                         {
1178                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1179                                 strlcat(Return,junk,MAXBUF);
1180                         }
1181                         else
1182                         {
1183                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1184                                 strlcat(Return,junk,MAXBUF);
1185                         }
1186                 }
1187         }
1188         WriteServ(user->fd,Return);
1189 }
1190
1191
1192 void handle_ison(char **parameters, int pcnt, userrec *user)
1193 {
1194         char Return[MAXBUF];
1195         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1196         for (int i = 0; i < pcnt; i++)
1197         {
1198                 userrec *u = Find(parameters[i]);
1199                 if (u)
1200                 {
1201                         strlcat(Return,u->nick,MAXBUF);
1202                         strlcat(Return," ",MAXBUF);
1203                 }
1204         }
1205         WriteServ(user->fd,Return);
1206 }
1207
1208
1209 void handle_away(char **parameters, int pcnt, userrec *user)
1210 {
1211         if (pcnt)
1212         {
1213                 strlcpy(user->awaymsg,parameters[0],512);
1214                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1215         }
1216         else
1217         {
1218                 strlcpy(user->awaymsg,"",512);
1219                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1220         }
1221 }
1222
1223 void handle_whowas(char **parameters, int pcnt, userrec* user)
1224 {
1225         user_hash::iterator i = whowas.find(parameters[0]);
1226
1227         if (i == whowas.end())
1228         {
1229                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1230                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1231         }
1232         else
1233         {
1234                 time_t rawtime = i->second->signon;
1235                 tm *timeinfo;
1236                 char b[MAXBUF];
1237
1238                 timeinfo = localtime(&rawtime);
1239                 strlcpy(b,asctime(timeinfo),MAXBUF);
1240                 b[strlen(b)-1] = '\0';
1241
1242                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1243                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1244                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1245         }
1246
1247 }
1248
1249 void handle_trace(char **parameters, int pcnt, userrec *user)
1250 {
1251         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1252         {
1253                 if (i->second)
1254                 {
1255                         if (isnick(i->second->nick))
1256                         {
1257                                 if (strchr(i->second->modes,'o'))
1258                                 {
1259                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1260                                 }
1261                                 else
1262                                 {
1263                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1264                                 }
1265                         }
1266                         else
1267                         {
1268                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1269                         }
1270                 }
1271         }
1272 }
1273
1274 void handle_modules(char **parameters, int pcnt, userrec *user)
1275 {
1276         for (int i = 0; i < module_names.size(); i++)
1277         {
1278                 Version V = modules[i]->GetVersion();
1279                 char modulename[MAXBUF];
1280                 char flagstate[MAXBUF];
1281                 strcpy(flagstate,"");
1282                 if (V.Flags & VF_STATIC)
1283                         strlcat(flagstate,", static",MAXBUF);
1284                 if (V.Flags & VF_VENDOR)
1285                         strlcat(flagstate,", vendor",MAXBUF);
1286                 if (V.Flags & VF_COMMON)
1287                         strlcat(flagstate,", common",MAXBUF);
1288                 if (V.Flags & VF_SERVICEPROVIDER)
1289                         strlcat(flagstate,", service provider",MAXBUF);
1290                 if (!flagstate[0])
1291                         strcpy(flagstate,"  <no flags>");
1292                 strlcpy(modulename,module_names[i].c_str(),256);
1293                 if (strchr(user->modes,'o'))
1294                 {
1295                         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);
1296                 }
1297                 else
1298                 {
1299                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1300                 }
1301         }
1302         WriteServ(user->fd,"901 %s :End of MODULES list",user->nick);
1303 }
1304
1305 void handle_stats(char **parameters, int pcnt, userrec *user)
1306 {
1307         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1308         if (pcnt != 1)
1309         {
1310                 return;
1311         }
1312         if (strlen(parameters[0])>1)
1313         {
1314                 /* make the stats query 1 character long */
1315                 parameters[0][1] = '\0';
1316         }
1317
1318
1319         FOREACH_MOD OnStats(*parameters[0]);
1320
1321         if (*parameters[0] == 'c')
1322         {
1323                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1324                 {
1325                         ConfValue("link","name",i,Link_ServerName,&config_f);
1326                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1327                         ConfValue("link","port",i,Link_Port,&config_f);
1328                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1329                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1330                 }
1331         }
1332
1333         if (*parameters[0] == 'i')
1334         {
1335                 int idx = 0;
1336                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1337                 {
1338                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1339                         idx++;
1340                 }
1341         }
1342
1343         if (*parameters[0] == 'y')
1344         {
1345                 int idx = 0;
1346                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1347                 {
1348                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1349                         idx++;
1350                 }
1351         }
1352
1353         if (*parameters[0] == 'U')
1354         {
1355                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1356                 {
1357                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1358                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1359                 }
1360         }
1361
1362         if (*parameters[0] == 'P')
1363         {
1364                 int idx = 0;
1365                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1366                 {
1367                         if (strchr(i->second->modes,'o'))
1368                         {
1369                                 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));
1370                                 idx++;
1371                         }
1372                 }
1373                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1374         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1375         }
1376
1377         if (*parameters[0] == 'k')
1378         {
1379                 stats_k(user);
1380         }
1381
1382         if (*parameters[0] == 'g')
1383         {
1384                 stats_g(user);
1385         }
1386
1387         if (*parameters[0] == 'q')
1388         {
1389                 stats_q(user);
1390         }
1391
1392         if (*parameters[0] == 'Z')
1393         {
1394                 stats_z(user);
1395         }
1396
1397         if (*parameters[0] == 'e')
1398         {
1399                 stats_e(user);
1400         }
1401
1402         /* stats m (list number of times each command has been used, plus bytecount) */
1403         if (*parameters[0] == 'm')
1404         {
1405                 for (int i = 0; i < cmdlist.size(); i++)
1406                 {
1407                         if (cmdlist[i].handler_function)
1408                         {
1409                                 if (cmdlist[i].use_count)
1410                                 {
1411                                         /* RPL_STATSCOMMANDS */
1412                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1413                                 }
1414                         }
1415                 }
1416
1417         }
1418
1419         /* stats z (debug and memory info) */
1420         if (*parameters[0] == 'z')
1421         {
1422                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1423                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1424                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1425                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1426                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1427                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1428                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1429                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1430         }
1431
1432         /* stats o */
1433         if (*parameters[0] == 'o')
1434         {
1435                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1436                 {
1437                         char LoginName[MAXBUF];
1438                         char HostName[MAXBUF];
1439                         char OperType[MAXBUF];
1440                         ConfValue("oper","name",i,LoginName,&config_f);
1441                         ConfValue("oper","host",i,HostName,&config_f);
1442                         ConfValue("oper","type",i,OperType,&config_f);
1443                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1444                 }
1445         }
1446
1447         /* stats l (show user I/O stats) */
1448         if (*parameters[0] == 'l')
1449         {
1450                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1451                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1452                 {
1453                         if (isnick(i->second->nick))
1454                         {
1455                                 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);
1456                         }
1457                         else
1458                         {
1459                                 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);
1460                         }
1461
1462                 }
1463         }
1464
1465         /* stats u (show server uptime) */
1466         if (*parameters[0] == 'u')
1467         {
1468                 time_t current_time = 0;
1469                 current_time = TIME;
1470                 time_t server_uptime = current_time - startup_time;
1471                 struct tm* stime;
1472                 stime = gmtime(&server_uptime);
1473                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1474                  * Craig suggested this, and it seemed a good idea so in it went */
1475                 if (stime->tm_year > 70)
1476                 {
1477                         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);
1478                 }
1479                 else
1480                 {
1481                         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);
1482                 }
1483         }
1484
1485         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1486         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1487
1488 }
1489
1490 void handle_connect(char **parameters, int pcnt, userrec *user)
1491 {
1492         char Link_ServerName[1024];
1493         char Link_IPAddr[1024];
1494         char Link_Port[1024];
1495         char Link_Pass[1024];
1496         int LinkPort;
1497         bool found = false;
1498
1499         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1500         {
1501                 if (!found)
1502                 {
1503                         ConfValue("link","name",i,Link_ServerName,&config_f);
1504                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1505                         ConfValue("link","port",i,Link_Port,&config_f);
1506                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1507                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1508                         LinkPort = atoi(Link_Port);
1509                         if (match(Link_ServerName,parameters[0])) {
1510                                 found = true;
1511                                 break;
1512                         }
1513                 }
1514         }
1515
1516         if (!found) {
1517                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1518                 return;
1519         }
1520
1521         // TODO: Perform a check here to stop a server being linked twice!
1522
1523         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1524
1525         if (me[defaultRoute])
1526         {
1527                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1528                 return;
1529         }
1530         else
1531         {
1532                 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);
1533         }
1534 }
1535
1536 void handle_squit(char **parameters, int pcnt, userrec *user)
1537 {
1538         // send out an squit across the mesh and then clear the server list (for local squit)
1539         if (!pcnt)
1540         {
1541                 WriteOpers("SQUIT command issued by %s",user->nick);
1542                 char buffer[MAXBUF];
1543                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1544                 NetSendToAll(buffer);
1545                 DoSplitEveryone();
1546         }
1547         else
1548         {
1549                 if (!strcasecmp("*",parameters[0]))
1550                 {
1551                         WriteServ(user->fd,"NOTICE %s :*** You cannot issue an SQUIT this wide! If this is REALLY what you want, use a less wide mask.",user->nick);
1552                         WriteOpers("*** WARNING! %s tried to SQUIT all servers at once!",user->nick);
1553                         return;
1554                 }
1555                 if (!strcasecmp(ServerName,parameters[0]))
1556                 {
1557                         WriteServ(user->fd,"NOTICE %s :*** To take the local server out of the mesh, just use /SQUIT with no parameters instead.",user->nick);
1558                         return;
1559                 }
1560                 bool have_this_server = true;
1561                 int n_count = 0;
1562                 std::string server_to_squit = "";
1563                 while (have_this_server)
1564                 {
1565                         have_this_server = false;
1566                         for (int j = 0; j < 32; j++)
1567                         {
1568                                 if (me[j] != NULL)
1569                                 {
1570                                         for (int x = 0; x < me[j]->connectors.size(); x++)
1571                                         {
1572                                                 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1573                                                 {
1574                                                         // found a valid ircd_connector.
1575                                                         have_this_server = true;
1576                                                         server_to_squit = me[j]->connectors[x].GetServerName().c_str();
1577                                                         break;
1578                                                 }
1579                                         }
1580                                 }
1581                         }
1582                         if (have_this_server)
1583                         {
1584                                 WriteOpers("SQUIT command issued by %s to remove %s from the mesh",user->nick,server_to_squit.c_str());
1585                                 WriteServ(user->fd,"NOTICE %s :*** Removing remote server %s.",user->nick,server_to_squit.c_str());
1586                                 char buffer[MAXBUF];
1587                                 snprintf(buffer,MAXBUF,"& %s",server_to_squit.c_str());
1588                                 NetSendToAll(buffer);
1589                                 DoSplit(server_to_squit.c_str());
1590                                 n_count++;
1591                         }
1592                 }
1593                 if (!n_count)
1594                 {
1595                         WriteServ(user->fd,"402 %s %s :Your pattern did not match any servers.",user->nick,parameters[0]);
1596                 }
1597         }
1598 }
1599
1600 void handle_links(char **parameters, int pcnt, userrec *user)
1601 {
1602         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1603         for (int j = 0; j < 32; j++)
1604         {
1605                 if (me[j] != NULL)
1606                 {
1607                         for (int k = 0; k < me[j]->connectors.size(); k++)
1608                         {
1609                                 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());
1610                         }
1611                 }
1612         }
1613         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1614 }
1615
1616 void handle_map(char **parameters, int pcnt, userrec *user)
1617 {
1618         char line[MAXBUF];
1619         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1620         while (strlen(line) < 50)
1621                 strcat(line," ");
1622         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1623         for (int j = 0; j < 32; j++)
1624         {
1625                 if (me[j] != NULL)
1626                 {
1627                         for (int k = 0; k < me[j]->connectors.size(); k++)
1628                         {
1629                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1630                                 while (strlen(line) < 50)
1631                                         strcat(line," ");
1632                                 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));
1633                         }
1634                 }
1635         }
1636         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1637 }
1638
1639 bool is_uline(const char* server)
1640 {
1641         char ServName[MAXBUF];
1642         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1643         {
1644                 ConfValue("uline","server",i,ServName,&config_f);
1645                 if (!strcasecmp(server,ServName))
1646                 {
1647                         return true;
1648                 }
1649         }
1650         return false;
1651 }
1652 int operstrcmp(char* data,char* input)
1653 {
1654         int MOD_RESULT = 0;
1655         FOREACH_RESULT(OnOperCompare(data,input))
1656         log(DEBUG,"operstrcmp: %d",MOD_RESULT);
1657         if (MOD_RESULT == 1)
1658                 return 0;
1659         if (MOD_RESULT == -1)
1660                 return 1;
1661         log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
1662         return strcmp(data,input);
1663 }
1664
1665 void handle_oper(char **parameters, int pcnt, userrec *user)
1666 {
1667         char LoginName[MAXBUF];
1668         char Password[MAXBUF];
1669         char OperType[MAXBUF];
1670         char TypeName[MAXBUF];
1671         char HostName[MAXBUF];
1672         char TheHost[MAXBUF];
1673         int j;
1674         bool found = false;
1675         bool fail2 = false;
1676         char global[MAXBUF];
1677
1678         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1679
1680         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1681         {
1682                 ConfValue("oper","name",i,LoginName,&config_f);
1683                 ConfValue("oper","password",i,Password,&config_f);
1684                 ConfValue("oper","type",i,OperType,&config_f);
1685                 ConfValue("oper","host",i,HostName,&config_f);
1686                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1687                 {
1688                         fail2 = true;
1689                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1690                         {
1691                                 ConfValue("type","name",j,TypeName,&config_f);
1692
1693                                 if (!strcmp(TypeName,OperType))
1694                                 {
1695                                         /* found this oper's opertype */
1696                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1697                                         NetSendToAll(global);
1698                                         ConfValue("type","host",j,HostName,&config_f);
1699                                         ChangeDisplayedHost(user,HostName);
1700                                         strlcpy(user->oper,TypeName,NICKMAX);
1701                                         found = true;
1702                                         fail2 = false;
1703                                         break;
1704                                 }
1705                         }
1706                 }
1707                 if (found)
1708                         break;
1709         }
1710         if (found)
1711         {
1712                 /* correct oper credentials */
1713                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1714                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1715                 if (!strchr(user->modes,'o'))
1716                 {
1717                         strcat(user->modes,"o");
1718                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1719                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1720                         NetSendToAll(global);
1721                         FOREACH_MOD OnOper(user);
1722                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1723                         AddOper(user);
1724                 }
1725         }
1726         else
1727         {
1728                 if (!fail2)
1729                 {
1730                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1731                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1732                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1733                 }
1734                 else
1735                 {
1736                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1737                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1738                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1739                 }
1740         }
1741         return;
1742 }
1743
1744 void handle_nick(char **parameters, int pcnt, userrec *user)
1745 {
1746         if (pcnt < 1)
1747         {
1748                 log(DEBUG,"not enough params for handle_nick");
1749                 return;
1750         }
1751         if (!parameters[0])
1752         {
1753                 log(DEBUG,"invalid parameter passed to handle_nick");
1754                 return;
1755         }
1756         if (!parameters[0][0])
1757         {
1758                 log(DEBUG,"zero length new nick passed to handle_nick");
1759                 return;
1760         }
1761         if (!user)
1762         {
1763                 log(DEBUG,"invalid user passed to handle_nick");
1764                 return;
1765         }
1766         if (!user->nick)
1767         {
1768                 log(DEBUG,"invalid old nick passed to handle_nick");
1769                 return;
1770         }
1771         if (!strcasecmp(user->nick,parameters[0]))
1772         {
1773                 log(DEBUG,"old nick is new nick, skipping");
1774                 return;
1775         }
1776         else
1777         {
1778                 if (strlen(parameters[0]) > 1)
1779                 {
1780                         if (parameters[0][0] == ':')
1781                         {
1782                                 *parameters[0]++;
1783                         }
1784                 }
1785                 if (matches_qline(parameters[0]))
1786                 {
1787                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1788                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1789                         return;
1790                 }
1791                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1792                 {
1793                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1794                         return;
1795                 }
1796         }
1797         if (isnick(parameters[0]) == 0)
1798         {
1799                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1800                 return;
1801         }
1802
1803         if (user->registered == 7)
1804         {
1805                 int MOD_RESULT = 0;
1806                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1807                 if (MOD_RESULT) {
1808                         // if a module returns true, the nick change is silently forbidden.
1809                         return;
1810                 }
1811
1812                 WriteCommon(user,"NICK %s",parameters[0]);
1813
1814                 // N token must go to ALL servers!!!
1815                 char buffer[MAXBUF];
1816                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1817                 NetSendToAll(buffer);
1818         }
1819
1820         char oldnick[NICKMAX];
1821         strlcpy(oldnick,user->nick,NICKMAX);
1822
1823         /* change the nick of the user in the users_hash */
1824         user = ReHashNick(user->nick, parameters[0]);
1825         /* actually change the nick within the record */
1826         if (!user) return;
1827         if (!user->nick) return;
1828
1829         strlcpy(user->nick, parameters[0],NICKMAX);
1830
1831         log(DEBUG,"new nick set: %s",user->nick);
1832
1833         if (user->registered < 3)
1834         {
1835                 user->registered = (user->registered | 2);
1836                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1837                 // and unless we're lucky we'll get a duff one later on.
1838                 user->dns_done = (!lookup_dns(user->nick));
1839                 if (user->dns_done)
1840                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1841         }
1842         if (user->registered == 3)
1843         {
1844                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1845                 FOREACH_MOD OnUserRegister(user);
1846                 ConnectUser(user);
1847         }
1848         if (user->registered == 7)
1849         {
1850                 FOREACH_MOD OnUserPostNick(user,oldnick);
1851         }
1852 }
1853
1854
1855 void handle_v(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1856 {
1857         char* servername = strtok(params," ");
1858         char* versionstr = strtok(NULL,"\r\n");
1859
1860         for (int j = 0; j < 32; j++)
1861         {
1862                 if (me[j] != NULL)
1863                 {
1864                         for (int x = 0; x < me[j]->connectors.size(); x++)
1865                         {
1866                                 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),servername))
1867                                 {
1868                                         me[j]->connectors[x].SetVersionString(versionstr);
1869                                 }
1870                         }
1871                 }
1872         }
1873 }
1874
1875 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1876 {
1877         char* src = strtok(params," ");
1878         char* dest = strtok(NULL," :");
1879         char* text = strtok(NULL,"\r\n");
1880         text++;
1881
1882         userrec* user = Find(src);
1883         if (user)
1884         {
1885                 // notice all - only issuable by a server
1886                 if (!strcmp(dest,"*"))
1887                 {
1888                         NoticeAll(user,true,"%s",text);
1889                 }
1890                 if (!strcmp(dest,"@*"))
1891                 {
1892                         NoticeAllOpers(user,true,"%s",text);
1893                 }
1894                 else
1895                 {
1896                         userrec* dst = Find(dest);
1897                         if (dst)
1898                         {
1899                                 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1900                         }
1901                         else
1902                         {
1903                                 chanrec* d = FindChan(dest);
1904                                 if (d)
1905                                 {
1906                                         ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1907                                 }
1908                         }
1909                 }
1910         }
1911
1912 }
1913
1914
1915 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1916 {
1917         char* src = strtok(params," ");
1918         char* dest = strtok(NULL," :");
1919         char* text = strtok(NULL,"\r\n");
1920         text++;
1921
1922         userrec* user = Find(src);
1923         if (user)
1924         {
1925                 userrec* dst = Find(dest);
1926
1927                 if (dst)
1928                 {
1929                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1930                 }
1931                 else
1932                 {
1933                         chanrec* d = FindChan(dest);
1934                         if (d)
1935                         {
1936                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1937                         }
1938                 }
1939         }
1940
1941 }
1942
1943 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1944 {
1945         char* nick = strtok(params," ");
1946         char* from = strtok(NULL," ");
1947         char* channel = strtok(NULL," ");
1948         userrec* u = Find(nick);
1949         userrec* user = Find(from);
1950         chanrec* c = FindChan(channel);
1951         if ((c) && (u) && (user))
1952         {
1953                 u->InviteTo(c->name);
1954                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1955         }
1956 }
1957
1958 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1959 {
1960         char* setby = strtok(params," ");
1961         char* channel = strtok(NULL," :");
1962         char* topic = strtok(NULL,"\r\n");
1963         topic++;
1964         userrec* u = Find(setby);
1965         chanrec* c = FindChan(channel);
1966         if ((c) && (u))
1967         {
1968                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1969                 strlcpy(c->topic,topic,MAXTOPIC);
1970                 strlcpy(c->setby,u->nick,NICKMAX);
1971                 c->topicset = TIME;
1972         }
1973 }
1974
1975
1976 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1977 {
1978         char* tm = strtok(params," ");
1979         char* setby = strtok(NULL," ");
1980         char* channel = strtok(NULL," :");
1981         char* topic = strtok(NULL,"\r\n");
1982         topic++;
1983         time_t TS = atoi(tm);
1984         chanrec* c = FindChan(channel);
1985         if (c)
1986         {
1987                 // in the case of topics and TS, the *NEWER*
1988                 if (TS <= c->topicset)
1989                 {
1990                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1991                         strlcpy(c->topic,topic,MAXTOPIC);
1992                         strlcpy(c->setby,setby,NICKMAX);
1993                 }
1994         }
1995 }
1996
1997 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1998 {
1999         char* pars[128];
2000         char original[MAXBUF],target[MAXBUF];
2001         strlcpy(original,params,MAXBUF);
2002         int index = 0;
2003         char* parameter = strtok(params," ");
2004         strlcpy(target,parameter,MAXBUF);
2005         while (parameter)
2006         {
2007                 if (parameter[0] == ':')
2008                         parameter++;
2009                 pars[index++] = parameter;
2010                 parameter = strtok(NULL," ");
2011         }
2012         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
2013         merge_mode(pars,index);
2014         if (FindChan(target))
2015         {
2016                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
2017         }
2018         if (Find(target))
2019         {
2020                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
2021         }
2022 }
2023
2024 // m is modes set by users only (not servers) valid targets are channels or users.
2025
2026 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2027 {
2028         // m blah #chatspike +b *!test@*4
2029         char* pars[128];
2030         char original[MAXBUF];
2031         strlcpy(original,params,MAXBUF);
2032
2033         if (!strchr(params,' '))
2034         {
2035                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
2036                 return;
2037         }
2038
2039         int index = 0;
2040
2041         char* src = strtok(params," ");
2042         userrec* user = Find(src);
2043
2044         if (user)
2045         {
2046                 log(DEBUG,"Found user: %s",user->nick);
2047                 char* parameter = strtok(NULL," ");
2048                 while (parameter)
2049                 {
2050                         pars[index++] = parameter;
2051                         parameter = strtok(NULL," ");
2052                 }
2053
2054                 log(DEBUG,"Calling merge_mode2");
2055                 merge_mode2(pars,index,user);
2056         }
2057 }
2058
2059
2060 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2061 {
2062         char* nick = NULL;
2063         char* channel = NULL;
2064         char* reason = NULL;
2065         log(DEBUG,"L TOKEN PARS: '%s'",params);
2066         if (strstr(params,":#"))
2067         {
2068                 nick = strtok(params," ");
2069                 channel = strtok(NULL,"\r\n");
2070                 channel++;
2071                 reason = "";
2072         }
2073         else
2074         {
2075                 nick = strtok(params," ");
2076                 channel = strtok(NULL," :");
2077                 reason = strtok(NULL,"\r\n");
2078                 reason++;
2079         }
2080         userrec* user = Find(nick);
2081         if ((user) && (channel) && (reason))
2082         {
2083                 if ((!reason) && (*reason != '\0'))
2084                 {
2085                         del_channel(user,channel,reason,true);
2086                 }
2087                 else
2088                 {
2089                         del_channel(user,channel,NULL,true);
2090                 }
2091         }
2092 }
2093
2094 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2095 {
2096         char* src = strtok(params," ");
2097         char* nick = strtok(NULL," :");
2098         char* reason = strtok(NULL,"\r\n");
2099         char kreason[MAXBUF];
2100         reason++;
2101
2102         userrec* u = Find(nick);
2103         userrec* user = Find(src);
2104
2105         if ((user) && (u))
2106         {
2107                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2108                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2109                 snprintf(kreason,MAXBUF,"[%s] Killed (From: '%s' (%s))",source->name,user->nick,reason);
2110                 kill_link(u,kreason);
2111         }
2112 }
2113
2114 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2115 {
2116         char* nick = strtok(params," :");
2117         char* reason = strtok(NULL,"\r\n");
2118         reason++;
2119
2120         userrec* user = Find(nick);
2121
2122         if (user)
2123         {
2124                 if (strlen(reason)>MAXQUIT)
2125                 {
2126                         reason[MAXQUIT-1] = '\0';
2127                 }
2128
2129
2130                 WriteCommonExcept(user,"QUIT :%s",reason);
2131
2132                 user_hash::iterator iter = clientlist.find(user->nick);
2133
2134                 if (iter != clientlist.end())
2135                 {
2136                         log(DEBUG,"deleting user hash value %d",iter->second);
2137                         clientlist.erase(iter);
2138                 }
2139
2140                 if (user->registered == 7)
2141                 {
2142                         purge_empty_chans(user);
2143                 }
2144                 delete user;
2145         }
2146 }
2147
2148 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2149 {
2150         char* oldnick = strtok(params," ");
2151         char* newnick = strtok(NULL," ");
2152
2153         userrec* user = Find(oldnick);
2154
2155         if (user)
2156         {
2157                 if (is_uline(tcp_host))
2158                 {
2159                         int MOD_RESULT = 0;
2160                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2161                         if (MOD_RESULT) {
2162                                 // if a module returns true, the nick change couldnt be allowed
2163                                 kill_link(user,"Nickname collision");
2164                                 return;
2165                         }
2166                         if (matches_qline(newnick))
2167                         {
2168                                 kill_link(user,"Nickname collision");
2169                                 return;
2170                         }
2171
2172                         // broadcast this because its a services thingy
2173                         char buffer[MAXBUF];
2174                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2175                         NetSendToAllExcept(tcp_host,buffer);
2176                 }
2177                 WriteCommon(user,"NICK %s",newnick);
2178                 user = ReHashNick(user->nick, newnick);
2179                 if (!user) return;
2180                 if (!user->nick) return;
2181                 strlcpy(user->nick, newnick,NICKMAX);
2182                 log(DEBUG,"new nick set: %s",user->nick);
2183         }
2184 }
2185
2186 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2187 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2188 {
2189         char* src = strtok(params," ");
2190         char* dest = strtok(NULL," ");
2191         char* channel = strtok(NULL," :");
2192         char* reason = strtok(NULL,"\r\n");
2193         reason++;
2194         userrec* s = Find(src);
2195         userrec* d = Find(dest);
2196         chanrec* c = FindChan(channel);
2197         if ((s) && (d) && (c))
2198         {
2199                 kick_channel(s,d,c,reason);
2200                 return;
2201         }
2202         d = Find(channel);
2203         c = FindChan(dest);
2204         if ((s) && (d) && (c))
2205         {
2206                 kick_channel(s,d,c,reason);
2207                 return;
2208         }
2209 }
2210
2211 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2212 {
2213         char* who = strtok(params," :");
2214         char* text = strtok(NULL,"\r\n");
2215         text++;
2216         userrec* s = Find(who);
2217         if (s)
2218         {
2219                 WriteWallOps(s,true,text);
2220         }
2221 }
2222
2223 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2224 {
2225         log(DEBUG,"Adding ULined server %s to my map",params);
2226         ircd_connector s;
2227         s.SetState(STATE_DISCONNECTED);
2228         s.SetServerName(params);
2229
2230         for (int j = 0; j < 32; j++)
2231         {
2232                 if (me[j] != NULL)
2233                 {
2234                         for (int k = 0; k < me[j]->connectors.size(); k++)
2235                         {
2236                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2237                                 {
2238                                         // dont allow a server to be added twice
2239                                         log(DEBUG,"ULined server %s already in the map!",params);
2240                                         return;
2241                                 }
2242                         }
2243                 }
2244         }
2245
2246         source->connectors.push_back(s);
2247         WriteOpers("Non-Mesh server %s has joined the network",params);
2248 }
2249
2250 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2251 {
2252         char* tm = strtok(params," ");
2253         char* nick = strtok(NULL," ");
2254         char* host = strtok(NULL," ");
2255         char* dhost = strtok(NULL," ");
2256         char* ident = strtok(NULL," ");
2257         char* modes = strtok(NULL," ");
2258         char* ipaddr = strtok(NULL," ");
2259         char* server = strtok(NULL," :");
2260         char* gecos = strtok(NULL,"\r\n");
2261         gecos++;
2262         modes++;
2263         time_t TS = atoi(tm);
2264         user_hash::iterator iter = clientlist.find(nick);
2265         if (iter != clientlist.end())
2266         {
2267                 // nick collision
2268                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2269                 char str[MAXBUF];
2270                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2271                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2272                 kill_link(iter->second,str);
2273         }
2274         clientlist[nick] = new userrec();
2275         // remote users have an fd of -1. This is so that our Write abstraction
2276         // routines know to route any messages to this record away to whatever server
2277         // theyre on.
2278         clientlist[nick]->fd = -1;
2279         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2280         strlcpy(clientlist[nick]->host, host,160);
2281         strlcpy(clientlist[nick]->dhost, dhost,160);
2282         strlcpy(clientlist[nick]->server, server,256);
2283         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2284         strlcpy(clientlist[nick]->fullname, gecos,128);
2285         strlcpy(clientlist[nick]->ip,ipaddr,32);
2286         clientlist[nick]->signon = TS;
2287         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2288         clientlist[nick]->lastping = 1;
2289         clientlist[nick]->port = 0; // so is this...
2290         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2291         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2292         for (int i = 0; i < MAXCHANS; i++)
2293         {
2294                 clientlist[nick]->chans[i].channel = NULL;
2295                 clientlist[nick]->chans[i].uc_modes = 0;
2296         }
2297         FOREACH_MOD OnGlobalConnect(clientlist[nick]);
2298         if (strchr(clientlist[nick]->modes,'o'))
2299         {
2300                 FOREACH_MOD OnGlobalOper(clientlist[nick]);
2301         }
2302 }
2303
2304 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2305 {
2306         long tdiff = TIME - atoi(params);
2307         if (tdiff)
2308                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2309 }
2310
2311 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2312 {
2313         char* nick = strtok(params," :");
2314         char* gecos = strtok(NULL,"\r\n");
2315
2316         userrec* user = Find(nick);
2317
2318         if (user)
2319                 strlcpy(user->fullname,gecos,MAXBUF);
2320 }
2321
2322 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2323 {
2324         char* nick = strtok(params," ");
2325         char* host = strtok(NULL," ");
2326
2327         userrec* user = Find(nick);
2328
2329         if (user)
2330                 strlcpy(user->dhost,host,160);
2331 }
2332
2333 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2334 {
2335         // %s %s %d %d
2336         // + test3.chatspike.net 7010 -2016508415
2337         char* servername = strtok(params," ");
2338         char* ipaddr = strtok(NULL," ");
2339         char* ipport = strtok(NULL," ");
2340         char* cookie = strtok(NULL," ");
2341         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2342
2343
2344         bool conn_already = false;
2345         for (int i = 0; i < 32; i++)
2346         {
2347                 if (me[i] != NULL)
2348                 {
2349                         for (int j = 0; j < me[i]->connectors.size(); j++)
2350                         {
2351                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2352                                 {
2353                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2354                                         {
2355                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2356                                                 conn_already = true;
2357                                         }
2358                                 }
2359                         }
2360                 }
2361         }
2362         if (!conn_already)
2363                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2364 }
2365
2366 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2367 {
2368         char* server = strtok(params," ");
2369         char* data = strtok(NULL,"\r\n");
2370         if ((!data) || (!server))
2371         {
2372                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2373                 return;
2374         }
2375
2376         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2377         NetSendToOne(server,data);
2378 }
2379
2380 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2381 {
2382         // IMPORTANT NOTE
2383         // The J token currently has no timestamp - this needs looking at
2384         // because it will allow splitriding.
2385         char* nick = strtok(params," ");
2386         char* channel = strtok(NULL," ");
2387         userrec* user = Find(nick);
2388         while (channel)
2389         {
2390                 if ((user != NULL) && (strcmp(channel,"")))
2391                 {
2392                         char privilage = '\0';
2393                         if (channel[0] != '#')
2394                         {
2395                                 privilage = channel[0];
2396                                 channel++;
2397                         }
2398                         add_channel(user,channel,"",true);
2399
2400                         // now work out the privilages they should have on each channel
2401                         // and send the appropriate servermodes.
2402                         for (int i = 0; i != MAXCHANS; i++)
2403                         {
2404                                 if (user->chans[i].channel)
2405                                 {
2406                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2407                                         {
2408                                                 if (privilage == '@')
2409                                                 {
2410                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2411                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2412                                                 }
2413                                                 if (privilage == '%')
2414                                                 {
2415                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2416                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2417                                                 }
2418                                                 if (privilage == '+')
2419                                                 {
2420                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2421                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2422                                                 }
2423                                         }
2424                                 }
2425                         }
2426
2427                 }
2428                 channel = strtok(NULL," ");
2429         }
2430 }
2431
2432 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2433 {
2434         log(DEBUG,"Storing routing table...");
2435         char* sourceserver = strtok(params," ");
2436         char* server = strtok(NULL," ");
2437         for (int i = 0; i < 32; i++)
2438         {
2439                 if (me[i] != NULL)
2440                 {
2441                         for (int j = 0; j < me[i]->connectors.size(); j++)
2442                         {
2443                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2444                                 {
2445                                         me[i]->connectors[j].routes.clear();
2446                                         log(DEBUG,"Found entry for source server.");
2447                                         while (server)
2448                                         {
2449                                                 // store each route
2450                                                 me[i]->connectors[j].routes.push_back(server);
2451                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2452                                                 server = strtok(NULL," ");
2453                                         }
2454                                         return;
2455                                 }
2456                         }
2457                 }
2458         }
2459         log(DEBUG,"Warning! routing table received from nonexistent server!");
2460 }
2461
2462 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2463 {
2464         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2465         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2466         bool go_again = true;
2467         while (go_again)
2468         {
2469                 go_again = false;
2470                 for (int i = 0; i < 32; i++)
2471                 {
2472                         if (me[i] != NULL)
2473                         {
2474                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2475                                 {
2476                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2477                                         {
2478                                                 j->routes.clear();
2479                                                 j->CloseConnection();
2480                                                 me[i]->connectors.erase(j);
2481                                                 go_again = true;
2482                                                 break;
2483                                         }
2484                                 }
2485                         }
2486                 }
2487         }
2488         log(DEBUG,"Removed server. Will remove clients...");
2489         // iterate through the userlist and remove all users on this server.
2490         // because we're dealing with a mesh, we dont have to deal with anything
2491         // "down-route" from this server (nice huh)
2492         go_again = true;
2493         char reason[MAXBUF];
2494         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2495         while (go_again)
2496         {
2497                 go_again = false;
2498                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2499                 {
2500                         if (!strcasecmp(u->second->server,params))
2501                         {
2502                                 kill_link(u->second,reason);
2503                                 go_again = true;
2504                                 break;
2505                         }
2506                 }
2507         }
2508 }
2509
2510 unsigned long authcookie;
2511
2512 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2513 {
2514         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2515         log(DEBUG,"Adding G-line");
2516         char* mask = strtok(params," ");
2517         char* who = strtok(NULL," ");
2518         char* create_time = strtok(NULL," ");
2519         char* duration = strtok(NULL," :");
2520         char* reason = strtok(NULL,"\r\n");
2521         reason++;
2522         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2523         // we must update the creation time on this gline
2524         // now that we've added it, or it wont expire at the right time.
2525         gline_set_creation_time(mask,atoi(create_time));
2526         if (!atoi(duration))
2527         {
2528                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2529         }
2530         else
2531         {
2532                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2533         }
2534         apply_lines();
2535 }
2536
2537 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2538 {
2539         log(DEBUG,"Removing G-line");
2540         char* mask = strtok(params," ");
2541         char* who = strtok(NULL," ");
2542         if (mask)
2543         {
2544                 if (del_gline((const char*)mask))
2545                 {
2546                         if (who)
2547                         {
2548                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2549                         }
2550                 }
2551         }
2552 }
2553
2554 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2555 {
2556         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2557         log(DEBUG,"Adding Q-line");
2558         char* mask = strtok(params," ");
2559         char* who = strtok(NULL," ");
2560         char* create_time = strtok(NULL," ");
2561         char* duration = strtok(NULL," :");
2562         char* reason = strtok(NULL,"\r\n");
2563         reason++;
2564         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2565         // we must update the creation time on this gline
2566         // now that we've added it, or it wont expire at the right time.
2567         qline_set_creation_time(mask,atoi(create_time));
2568         qline_make_global(mask);
2569         if (!atoi(duration))
2570         {
2571                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2572         }
2573         else
2574         {
2575                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2576         }
2577         apply_lines();
2578 }
2579
2580 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2581 {
2582         log(DEBUG,"Removing Q-line");
2583         char* mask = strtok(params," ");
2584         char* who = strtok(NULL," ");
2585         if (mask)
2586         {
2587                 if (del_qline((const char*)mask))
2588                 {
2589                         if (who)
2590                         {
2591                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2592                         }
2593                 }
2594         }
2595 }
2596
2597 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2598 {
2599         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2600         log(DEBUG,"Adding Z-line");
2601         char* mask = strtok(params," ");
2602         char* who = strtok(NULL," ");
2603         char* create_time = strtok(NULL," ");
2604         char* duration = strtok(NULL," :");
2605         char* reason = strtok(NULL,"\r\n");
2606         reason++;
2607         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2608         // we must update the creation time on this gline
2609         // now that we've added it, or it wont expire at the right time.
2610         zline_set_creation_time(mask,atoi(create_time));
2611         zline_make_global(mask);
2612         if (!atoi(duration))
2613         {
2614                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2615         }
2616         else
2617         {
2618                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2619         }
2620         apply_lines();
2621 }
2622
2623 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2624 {
2625         log(DEBUG,"Removing Z-line");
2626         char* mask = strtok(params," ");
2627         char* who = strtok(NULL," ");
2628         if (mask)
2629         {
2630                 if (del_zline((const char*)mask))
2631                 {
2632                         if (who)
2633                         {
2634                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2635                         }
2636                 }
2637         }
2638 }
2639
2640 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2641 {
2642         char* nick = strtok(params," ");
2643         char* type = strtok(params," ");
2644         userrec* u = Find(nick);
2645         if (u)
2646         {
2647                 strlcpy(u->oper,type,NICKMAX);
2648         }
2649 }
2650
2651
2652 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2653 {
2654         char buffer[MAXBUF];
2655         int MOD_RESULT = 0;
2656
2657         switch(token)
2658         {
2659                 // Y <TS>
2660                 // start netburst
2661                 case 'Y':
2662                         nb_start = TIME;
2663                         WriteOpers("Server %s is starting netburst.",tcp_host);
2664                         // now broadcast this new servers address out to all servers that are linked to us,
2665                         // except the newcomer. They'll all attempt to connect back to it.
2666                         authcookie = rand()*rand();
2667                         snprintf(buffer,MAXBUF,"~ %lu",(unsigned long)authcookie);
2668                         NetSendToAll(buffer);
2669                 break;
2670                 // ~
2671                 // Store authcookie
2672                 // once stored, this authcookie permits other servers to log in
2673                 // without user or password, using it.
2674                 case '~':
2675                         auth_cookies.push_back(atoi(params));
2676                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2677                 break;
2678                 // connect back to a server using an authcookie
2679                 case '+':
2680                         handle_plus(token,params,source,reply,tcp_host);
2681                 break;
2682                 // routing table
2683                 case '$':
2684                         handle_dollar(token,params,source,reply,tcp_host);
2685                 break;
2686                 // node unreachable - we cant route to a server, sooooo we slit it off.
2687                 // servers can generate these for themselves for an squit.
2688                 case '&':
2689                         handle_amp(token,params,source,reply,tcp_host);
2690                 break;
2691                 // R <server> <data>
2692                 // redirect token, send all of <data> along to the given
2693                 // server as this server has been found to still have a route to it
2694                 case 'R':
2695                         handle_R(token,params,source,reply,tcp_host);
2696                 break;
2697                 // ?
2698                 // ping
2699                 case '?':
2700                         reply->SendPacket("!",tcp_host);
2701                 break;
2702                 // ?
2703                 // pong
2704                 case '!':
2705                 break;
2706                 // *
2707                 // no operation
2708                 case '*':
2709                 break;
2710                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2711                 // introduce remote client
2712                 case 'N':
2713                         handle_N(token,params,source,reply,tcp_host);
2714                 break;
2715                 // a <NICK> :<GECOS>
2716                 // change GECOS (SETNAME)
2717                 case 'a':
2718                         handle_a(token,params,source,reply,tcp_host);
2719                 break;
2720                 // b <NICK> :<HOST>
2721                 // change displayed host (SETHOST)
2722                 case 'b':
2723                         handle_b(token,params,source,reply,tcp_host);
2724                 break;
2725                 // t <NICK> <CHANNEL> :<TOPIC>
2726                 // change a channel topic
2727                 case 't':
2728                         handle_t(token,params,source,reply,tcp_host);
2729                 break;
2730                 // i <NICK> <CHANNEL>
2731                 // invite a user to a channel
2732                 case 'i':
2733                         handle_i(token,params,source,reply,tcp_host);
2734                 break;
2735                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2736                 // kick a user from a channel
2737                 case 'k':
2738                         handle_k(token,params,source,reply,tcp_host);
2739                 break;
2740                 // n <NICK> <NEWNICK>
2741                 // change nickname of client -- a server should only be able to
2742                 // change the nicknames of clients that reside on it unless
2743                 // they are ulined.
2744                 case 'n':
2745                         handle_n(token,params,source,reply,tcp_host);
2746                 break;
2747                 // J <NICK> <CHANLIST>
2748                 // Join user to channel list, merge channel permissions
2749                 case 'J':
2750                         handle_J(token,params,source,reply,tcp_host);
2751                 break;
2752                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2753                 // change channel topic (netburst only)
2754                 case 'T':
2755                         handle_T(token,params,source,reply,tcp_host);
2756                 break;
2757                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2758                 // Server setting modes on an object
2759                 case 'M':
2760                         handle_M(token,params,source,reply,tcp_host);
2761                 break;
2762                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2763                 // User setting modes on an object
2764                 case 'm':
2765                         handle_m(token,params,source,reply,tcp_host);
2766                 break;
2767                 // P <SOURCE> <TARGET> :<TEXT>
2768                 // Send a private/channel message
2769                 case 'P':
2770                         handle_P(token,params,source,reply,tcp_host);
2771                 break;
2772                 // V <SOURCE> <TARGET> :<TEXT>
2773                 // Send a private/channel notice
2774                 case 'V':
2775                         handle_V(token,params,source,reply,tcp_host);
2776                 break;
2777                 // v <servername> <arbitary version string>
2778                 case 'v':
2779                         handle_v(token,params,source,reply,tcp_host);
2780                 break;
2781                 // L <SOURCE> <CHANNEL> :<REASON>
2782                 // User parting a channel
2783                 case 'L':
2784                         handle_L(token,params,source,reply,tcp_host);
2785                 break;
2786                 // Q <SOURCE> :<REASON>
2787                 // user quitting
2788                 case 'Q':
2789                         handle_Q(token,params,source,reply,tcp_host);
2790                 break;
2791                 // H <SERVER>
2792                 // introduce non-meshable server (such as a services server)
2793                 case 'H':
2794                         handle_H(token,params,source,reply,tcp_host);
2795                 break;
2796                 // K <SOURCE> <DEST> :<REASON>
2797                 // remote kill
2798                 case 'K':
2799                         handle_K(token,params,source,reply,tcp_host);
2800                 break;
2801                 // @ <SOURCE> :<TEXT>
2802                 // wallops
2803                 case '@':
2804                         handle_AT(token,params,source,reply,tcp_host);
2805                 break;
2806                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2807                 // add gline
2808                 case '#':
2809                         handle_hash(token,params,source,reply,tcp_host);
2810                 break;
2811                 // . <mask> <who>
2812                 // remove gline
2813                 case '.':
2814                         handle_dot(token,params,source,reply,tcp_host);
2815                 break;
2816                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2817                 // add gline
2818                 case '{':
2819                         handle_add_sqline(token,params,source,reply,tcp_host);
2820                 break;
2821                 // . <mask> <who>
2822                 // remove gline
2823                 case '[':
2824                         handle_del_sqline(token,params,source,reply,tcp_host);
2825                 break;
2826                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2827                 // add gline
2828                 case '}':
2829                         handle_add_szline(token,params,source,reply,tcp_host);
2830                 break;
2831                 // . <mask> <who>
2832                 // remove gline
2833                 case ']':
2834                         handle_del_szline(token,params,source,reply,tcp_host);
2835                 break;
2836                 // | <nick> <opertype>
2837                 // set opertype
2838                 case '|':
2839                         handle_pipe(token,params,source,reply,tcp_host);
2840                 break;
2841                 // F <TS>
2842                 // end netburst
2843                 case 'F':
2844                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2845                         handle_F(token,params,source,reply,tcp_host);
2846                         nb_start = 0;
2847                         // tell all the other servers to use this authcookie to connect back again
2848                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2849                         snprintf(buffer,MAXBUF,"+ %s %s %d %lu",tcp_host,ipaddr,port,(unsigned long)authcookie);
2850                         NetSendToAllExcept(tcp_host,buffer);
2851                 break;
2852                 case '/':
2853                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2854                         strlcpy(source->nickserv,params,NICKMAX);
2855                 break;
2856                 // F <TS>
2857                 // end netburst with no mesh creation
2858                 case 'f':
2859                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2860                         handle_F(token,params,source,reply,tcp_host);
2861                         nb_start = 0;
2862                         // tell everyone else about the new server name so they just add it in the disconnected
2863                         // state
2864                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2865                         NetSendToAllExcept(tcp_host,buffer);
2866                 break;
2867                 // X <reserved>
2868                 // Send netburst now
2869                 case 'X':
2870                         WriteOpers("Sending my netburst to %s",tcp_host);
2871                         DoSync(source,tcp_host);
2872                         WriteOpers("Send of netburst to %s completed",tcp_host);
2873                         NetSendMyRoutingTable();
2874                 break;
2875                 // anything else
2876                 default:
2877                         MOD_RESULT = 0;
2878                         string_list s;
2879                         char* data = strtok(params," ");
2880                         while (data)
2881                         {
2882                                 if (*data == ':')
2883                                 {
2884                                         // the last item is a special case
2885                                         data++;
2886                                         char datalast[MAXBUF];
2887                                         strlcpy(datalast,data,MAXBUF);
2888                                         data = strtok(NULL," ");
2889                                         while (data)
2890                                         {
2891                                                 strlcpy(datalast," ",MAXBUF);
2892                                                 strlcpy(datalast,data,MAXBUF);
2893                                                 data = strtok(NULL," ");
2894                                         }
2895                                         s.push_back(data);
2896                                         break;
2897                                 }
2898                                 s.push_back(data);
2899                                 data = strtok(NULL," ");
2900                         }
2901                         FOREACH_RESULT(OnMeshToken(token,s,source,reply,tcp_host,ipaddr,port));
2902                         if (!MOD_RESULT)
2903                                 WriteOpers("WARNING! Unknown datagram type '%c'",token);
2904                 break;
2905         }
2906 }
2907
2908
2909 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2910 {
2911         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)) || (!strncmp(udp_msg,"PASS ",5)) || (!strncmp(udp_msg,"SERVER ",7)))
2912         {
2913                 // a user on a server port, just close their connection.
2914                 RemoveServer(tcp_host);
2915                 return;
2916         }
2917
2918         char response[10240];
2919         char token = udp_msg[0];
2920         char* old = udp_msg;
2921
2922         if ((token != ':') && (strlen(udp_msg)>1) && (udp_msg[1] != ' '))
2923         {
2924                 WriteOpers("*** Discarded %d chars illegal data from %s",strlen(udp_msg),tcp_host);
2925         }
2926
2927         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2928         {
2929                 char* src = udp_msg+1;
2930                 while (udp_msg[0] != ' ')
2931                         udp_msg++;
2932                 udp_msg[0] = 0;
2933                 udp_msg++;
2934                 char* comd = udp_msg;
2935                 while (udp_msg[0] != ' ')
2936                         udp_msg++;
2937                 udp_msg[0] = 0;
2938                 udp_msg++;
2939                 char data[MAXBUF];
2940                 char source[MAXBUF];
2941                 char command[MAXBUF];
2942                 strlcpy(data,udp_msg,512);
2943                 strlcpy(source,src,MAXBUF);
2944                 strlcpy(command,comd,MAXBUF);
2945                 udp_msg = old;
2946
2947                 // unused numeric:
2948                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2949                 if (!strcmp(command,"433"))
2950                 {
2951                         token = '*';
2952                 }
2953                 if (!strcmp(command,"432"))
2954                 {
2955                         token = '*';
2956                 }
2957                 if (!strcmp(command,"PING"))
2958                 {
2959                         token = '*';
2960                 }
2961                 if (!strcmp(command,"NOTICE"))
2962                 {
2963                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2964                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2965                         token = udp_msg[0];
2966                 }
2967                 if (!strcmp(command,"QUIT"))
2968                 {
2969                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2970                         {
2971                                 strcpy(data,":No reason");
2972                         }
2973                         if (!strcmp(data,":"))
2974                         {
2975                                 strcpy(data,":No reason");
2976                         }
2977                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2978                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2979                         token = udp_msg[0];
2980                 }
2981                 if (!strcmp(command,"SQUIT"))
2982                 {
2983                         snprintf(udp_msg,MAXBUF,"& %s",source);
2984                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2985                         token = udp_msg[0];
2986                 }
2987                 if (!strcmp(command,"SVSMODE"))
2988                 {
2989                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2990                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2991                         token = udp_msg[0];
2992                 }
2993                 if (!strcmp(command,"SVS2MODE"))
2994                 {
2995                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2996                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
2997                         token = udp_msg[0];
2998                 }
2999                 // todo: this wont work without u:lines
3000                 // in give_ops etc allow nick on a u:lined serv to do just about anything
3001                 if (!strcmp(command,"MODE"))
3002                 {
3003                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3004                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
3005                         token = udp_msg[0];
3006                 }
3007                 if (!strcmp(command,"KICK"))
3008                 {
3009                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
3010                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
3011                         token = udp_msg[0];
3012                 }
3013                 if (!strcmp(command,"KILL"))
3014                 {
3015                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
3016                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
3017                         token = udp_msg[0];
3018                 }
3019                 if (!strcmp(command,"SVSJOIN"))
3020                 {
3021                         snprintf(udp_msg,MAXBUF,"J %s",data);
3022                         NetSendToOne(tcp_host,udp_msg);
3023                         char* nick = strtok(data," ");
3024                         char* chan = strtok(NULL," ");
3025                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
3026                         userrec* u = Find(nick);
3027                         if (u)
3028                         {
3029                                 add_channel(u,chan,"",true);
3030                         }
3031                         token = udp_msg[0];
3032                 }
3033
3034         }
3035
3036         char* params = udp_msg + 2;
3037         char finalparam[1024];
3038         strcpy(finalparam," :xxxx");
3039         if (strstr(udp_msg," :")) {
3040                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
3041         }
3042
3043
3044         if (token == '-') {
3045                 char* cookie = strtok(params," ");
3046                 char* servername = strtok(NULL," ");
3047                 char* serverdesc = finalparam+2;
3048
3049                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
3050
3051                 for (int u = 0; u < auth_cookies.size(); u++)
3052                 {
3053                         if (auth_cookies[u] == atoi(cookie))
3054                         {
3055                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
3056
3057
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                                                                 me[j]->connectors[k].SetServerName(servername);
3067                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3068                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3069                                                                 NetSendMyRoutingTable();
3070                                                                 return;
3071                                                         }
3072                                                 }
3073                                         }
3074                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
3075                                         return;
3076                                 }
3077
3078
3079                                 return;
3080                         }
3081                 }
3082                 // bad cookie, bad bad! go sit in the corner!
3083                 WriteOpers("Bad cookie from %s!",servername);
3084                 return;
3085         }
3086         else
3087         if (token == 'S') {
3088                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
3089                 char* servername = strtok(params," ");
3090                 char* password = strtok(NULL," ");
3091                 char* myport = strtok(NULL," ");
3092                 char* revision = strtok(NULL," ");
3093                 char* serverdesc = finalparam+2;
3094
3095                 password = password;
3096
3097                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
3098
3099                 ircd_connector* cn = serv->FindHost(servername);
3100
3101                 if (cn)
3102                 {
3103                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
3104                         char buffer[MAXBUF];
3105                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
3106                         serv->SendPacket(buffer,tcp_host);
3107                         RemoveServer(tcp_host);
3108                         return;
3109                 }
3110
3111                 if (atoi(revision) != GetRevision())
3112                 {
3113                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
3114                         char buffer[MAXBUF];
3115                         sprintf(buffer,"E :Version number mismatch");
3116                         serv->SendPacket(buffer,tcp_host);
3117                         RemoveServer(tcp_host);
3118                         RemoveServer(servername);
3119                         return;
3120                 }
3121
3122                 for (int j = 0; j < serv->connectors.size(); j++)
3123                 {
3124                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
3125                         {
3126                                 serv->connectors[j].SetServerName(servername);
3127                                 serv->connectors[j].SetDescription(serverdesc);
3128                                 serv->connectors[j].SetServerPort(atoi(myport));
3129                         }
3130                 }
3131
3132
3133                 char Link_ServerName[1024];
3134                 char Link_IPAddr[1024];
3135                 char Link_Port[1024];
3136                 char Link_Pass[1024];
3137                 char Link_SendPass[1024];
3138                 int LinkPort = 0;
3139
3140                 // search for a corresponding <link> block in the config files
3141                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3142                 {
3143                         ConfValue("link","name",i,Link_ServerName,&config_f);
3144                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3145                         ConfValue("link","port",i,Link_Port,&config_f);
3146                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3147                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3148                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3149                         LinkPort = atoi(Link_Port);
3150                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3151                         {
3152                                 // we have a matching link line -
3153                                 // send a 'diminutive' server message back...
3154                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3155                                 serv->SendPacket(response,servername);
3156
3157                                 for (int t = 0; t < serv->connectors.size(); t++)
3158                                 {
3159                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3160                                         {
3161                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3162                                         }
3163                                 }
3164
3165                                 return;
3166                         }
3167                 }
3168                 char buffer[MAXBUF];
3169                 sprintf(buffer,"E :Access is denied (no matching link block)");
3170                 serv->SendPacket(buffer,tcp_host);
3171                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3172                 RemoveServer(tcp_host);
3173                 RemoveServer(servername);
3174                 return;
3175         }
3176         else
3177         if (token == 's') {
3178                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3179                 char* servername = strtok(params," ");
3180                 char* password = strtok(NULL," ");
3181                 char* serverdesc = finalparam+2;
3182
3183                 password = password;
3184
3185                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3186                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3187                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3188                 // a connect, so put out an oper alert!
3189
3190                 // for now, just accept all, we'll fix that later.
3191                 WriteOpers("%s accepted our link credentials ",servername);
3192
3193                 char Link_ServerName[1024];
3194                 char Link_IPAddr[1024];
3195                 char Link_Port[1024];
3196                 char Link_Pass[1024];
3197                 char Link_SendPass[1024];
3198                 int LinkPort = 0;
3199
3200                 // search for a corresponding <link> block in the config files
3201                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3202                 {
3203                         ConfValue("link","name",i,Link_ServerName,&config_f);
3204                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3205                         ConfValue("link","port",i,Link_Port,&config_f);
3206                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3207                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3208                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3209                         LinkPort = atoi(Link_Port);
3210                         if (!strcasecmp(Link_ServerName,servername))
3211                         {
3212                                 // matching link at this end too, we're all done!
3213                                 // at this point we must begin key exchange and insert this
3214                                 // server into our 'active' table.
3215                                 for (int j = 0; j < 32; j++)
3216                                 {
3217                                         if (me[j] != NULL)
3218                                         {
3219                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3220                                                 {
3221                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3222                                                         {
3223                                                                 char buffer[MAXBUF];
3224                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3225                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3226                                                                 sprintf(buffer,"X 0");
3227                                                                 serv->SendPacket(buffer,tcp_host);
3228                                                                 DoSync(me[j],tcp_host);
3229                                                                 NetSendMyRoutingTable();
3230                                                                 return;
3231                                                         }
3232                                                 }
3233                                         }
3234                                 }
3235                         }
3236                         else {
3237                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3238                         }
3239                 }
3240                 char buffer[MAXBUF];
3241                 sprintf(buffer,"E :Access is denied (no matching link block)");
3242                 serv->SendPacket(buffer,tcp_host);
3243                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3244                 RemoveServer(tcp_host);
3245                 RemoveServer(servername);
3246                 return;
3247         }
3248         else
3249         if (token == 'U') {
3250                 // U services.chatspike.net password :ChatSpike Services
3251                 //
3252                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3253                 char* servername = strtok(params," ");
3254                 char* password = strtok(NULL," ");
3255                 char* serverdesc = finalparam+2;
3256
3257                 char Link_ServerName[1024];
3258                 char Link_IPAddr[1024];
3259                 char Link_Port[1024];
3260                 char Link_Pass[1024];
3261                 char Link_SendPass[1024];
3262                 int LinkPort = 0;
3263
3264                 log(DEBUG,"U-token linked server detected.\n\nservername='%s' password='%s'\n\n",servername,password);
3265
3266
3267                 for (int j = 0; j < 32; j++)
3268                 {
3269                         if (me[j] != NULL)
3270                         {
3271                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3272                                 {
3273                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
3274                                         {
3275                                                 char buffer[MAXBUF];
3276                                                 sprintf(buffer,"E :Access is denied (Server exists in the mesh)");
3277                                                 serv->SendPacket(buffer,tcp_host);
3278                                                 WriteOpers("CONNECT from %s denied, \"%s\" already exists!",tcp_host,servername);
3279                                                 RemoveServer(tcp_host);
3280                                                 return;
3281                                         }
3282                                 }
3283                         }
3284                 }
3285
3286                 // search for a corresponding <link> block in the config files
3287                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3288                 {
3289                         ConfValue("link","name",i,Link_ServerName,&config_f);
3290                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3291                         ConfValue("link","port",i,Link_Port,&config_f);
3292                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3293                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3294                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3295                         LinkPort = atoi(Link_Port);
3296                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3297                         {
3298                                 // matching link at this end too, we're all done!
3299                                 // at this point we must begin key exchange and insert this
3300                                 // server into our 'active' table.
3301                                 for (int j = 0; j < 32; j++)
3302                                 {
3303                                         if (me[j] != NULL)
3304                                         {
3305                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3306                                                 {
3307                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3308                                                         {
3309                                                                 char buffer[MAXBUF];
3310                                                                 log(DEBUG,"Found matching link block");
3311                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3312                                                                 me[j]->connectors[k].SetServerName(servername);
3313                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3314                                                                 sprintf(buffer,"X 0");
3315                                                                 serv->SendPacket(buffer,servername);
3316                                                                 sprintf(buffer,"s %s %s %lu :%s",ServerName,Link_SendPass,LinkPort,ServerDesc);
3317                                                                 serv->SendPacket(buffer,servername);
3318                                                                 DoSync(me[j],servername);
3319                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3320                                                                 NetSendToAllExcept(servername,buffer);
3321                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3322                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3323                                                                 NetSendMyRoutingTable();
3324                                                                 return;
3325                                                         }
3326                                                 }
3327                                         }
3328                                 }
3329                         }
3330                         else {
3331                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3332                         }
3333                 }
3334                 log(DEBUG,"No matching link block found");
3335                 char buffer[MAXBUF];
3336                 sprintf(buffer,"E :Access is denied (no matching link block)");
3337                 serv->SendPacket(buffer,tcp_host);
3338                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3339                 RemoveServer(tcp_host);
3340                 RemoveServer(servername);
3341                 return;
3342         }
3343         else
3344         if (token == 'E') {
3345                 char* error_message = finalparam+2;
3346                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3347                 return;
3348         }
3349         else {
3350                 for (int j = 0; j < 32; j++)
3351                 {
3352                         if (me[j] != NULL)
3353                         {
3354                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3355                                 {
3356                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3357                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3358                                         {
3359                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3360                                                 {
3361                                                         // found a valid ircd_connector.
3362                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3363                                                         return;
3364                                                 }
3365                                         }
3366                                 }
3367                         }
3368                 }
3369
3370                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3371         }
3372 }
3373
3374 long duration(const char* str)
3375 {
3376         char n_field[MAXBUF];
3377         long total = 0;
3378         const char* str_end = str + strlen(str);
3379         n_field[0] = 0;
3380
3381         for (char* i = (char*)str; i < str_end; i++)
3382         {
3383                 // if we have digits, build up a string for the value in n_field,
3384                 // up to 10 digits in size.
3385                 if ((*i >= '0') && (*i <= '9'))
3386                 {
3387                         strlcat(n_field,i,10);
3388                 }
3389                 else
3390                 {
3391                         // we dont have a digit, check for numeric tokens
3392                         switch (tolower(*i))
3393                         {
3394                                 case 's':
3395                                         total += atoi(n_field);
3396                                 break;
3397
3398                                 case 'm':
3399                                         total += (atoi(n_field)*duration_m);
3400                                 break;
3401
3402                                 case 'h':
3403                                         total += (atoi(n_field)*duration_h);
3404                                 break;
3405
3406                                 case 'd':
3407                                         total += (atoi(n_field)*duration_d);
3408                                 break;
3409
3410                                 case 'w':
3411                                         total += (atoi(n_field)*duration_w);
3412                                 break;
3413
3414                                 case 'y':
3415                                         total += (atoi(n_field)*duration_y);
3416                                 break;
3417                         }
3418                         n_field[0] = 0;
3419                 }
3420         }
3421         // add trailing seconds
3422         total += atoi(n_field);
3423
3424         return total;
3425 }
3426
3427
3428 void handle_kline(char **parameters, int pcnt, userrec *user)
3429 {
3430         if (pcnt >= 3)
3431         {
3432                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3433                 if (!duration(parameters[1]))
3434                 {
3435                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3436                 }
3437                 else
3438                 {
3439                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3440                 }
3441         }
3442         else
3443         {
3444                 if (del_kline(parameters[0]))
3445                 {
3446                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3447                 }
3448                 else
3449                 {
3450                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3451                 }
3452         }
3453         apply_lines();
3454 }
3455
3456 void handle_eline(char **parameters, int pcnt, userrec *user)
3457 {
3458         if (pcnt >= 3)
3459         {
3460                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3461                 if (!duration(parameters[1]))
3462                 {
3463                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3464                 }
3465                 else
3466                 {
3467                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3468                 }
3469         }
3470         else
3471         {
3472                 if (del_eline(parameters[0]))
3473                 {
3474                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3475                 }
3476                 else
3477                 {
3478                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3479                 }
3480         }
3481         // no need to apply the lines for an eline
3482 }
3483
3484 void handle_gline(char **parameters, int pcnt, userrec *user)
3485 {
3486         char netdata[MAXBUF];
3487         if (pcnt >= 3)
3488         {
3489                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3490                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3491                 snprintf(netdata,MAXBUF,"# %s %s %lu %lu :%s",parameters[0],user->nick,(unsigned long)TIME,(unsigned long)duration(parameters[1]),parameters[2]);
3492                 NetSendToAll(netdata);
3493                 if (!duration(parameters[1]))
3494                 {
3495                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3496                 }
3497                 else
3498                 {
3499                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3500                 }
3501         }
3502         else
3503         {
3504                 if (del_gline(parameters[0]))
3505                 {
3506                         // . <mask> <who-removed-it>
3507                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3508                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3509                 }
3510                 else
3511                 {
3512                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3513                 }
3514         }
3515         apply_lines();
3516 }
3517
3518 void handle_zline(char **parameters, int pcnt, userrec *user)
3519 {
3520         if (pcnt >= 3)
3521         {
3522                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3523                 if (!duration(parameters[1]))
3524                 {
3525                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3526                 }
3527                 else
3528                 {
3529                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3530                 }
3531         }
3532         else
3533         {
3534                 if (del_zline(parameters[0]))
3535                 {
3536                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3537                 }
3538                 else
3539                 {
3540                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3541                 }
3542         }
3543         apply_lines();
3544 }
3545
3546 void handle_qline(char **parameters, int pcnt, userrec *user)
3547 {
3548         if (pcnt >= 3)
3549         {
3550                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3551                 if (!duration(parameters[1]))
3552                 {
3553                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3554                 }
3555                 else
3556                 {
3557                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3558                 }
3559         }
3560         else
3561         {
3562                 if (del_qline(parameters[0]))
3563                 {
3564                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3565                 }
3566                 else
3567                 {
3568                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3569                 }
3570         }
3571         apply_lines();
3572 }
3573
3574