src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern time_t TIME;
  95
  96 extern std::vector<std::string> module_names;
  97
  98 extern char MyExecutable[1024];
  99 extern int boundPortCount;
 100 extern int portCount;
 101 extern int UDPportCount;
 102 extern int ports[MAXSOCKS];
 103 extern int defaultRoute;
 104
 105 extern std::vector<long> auth_cookies;
 106 extern std::stringstream config_f;
 107
 108 extern serverrec* me[32];
 109
 110 extern FILE *log_file;
 111
 112 extern ClassVector Classes;
 113
 114 const long duration_m = 60;
 115 const long duration_h = duration_m * 60;
 116 const long duration_d = duration_h * 24;
 117 const long duration_w = duration_d * 7;
 118 const long duration_y = duration_w * 52;
 119
 120 namespace nspace
 121 {
 122 #ifdef GCC34
 123         template<> struct hash<in_addr>
 124 #else
 125         template<> struct nspace::hash<in_addr>
 126 #endif
 127         {
 128                 size_t operator()(const struct in_addr &a) const
 129                 {
 130                         size_t q;
 131                         memcpy(&q,&a,sizeof(size_t));
 132                         return q;
 133                 }
 134         };
 135 #ifdef GCC34
 136         template<> struct hash<string>
 137 #else
 138         template<> struct nspace::hash<string>
 139 #endif
 140         {
 141                 size_t operator()(const string &s) const
 142                 {
 143                         char a[MAXBUF];
 144                         static struct hash<const char *> strhash;
 145                         strlcpy(a,s.c_str(),MAXBUF);
 146                         strlower(a);
 147                         return strhash(a);
 148                 }
 149         };
 150 }
 151
 152
 153 struct StrHashComp
 154 {
 155
 156         bool operator()(const string& s1, const string& s2) const
 157         {
 158                 char a[MAXBUF],b[MAXBUF];
 159                 strlcpy(a,s1.c_str(),MAXBUF);
 160                 strlcpy(b,s2.c_str(),MAXBUF);
 161                 strlower(a);
 162                 strlower(b);
 163                 return (strcasecmp(a,b) == 0);
 164         }
 165
 166 };
 167
 168 struct InAddr_HashComp
 169 {
 170
 171         bool operator()(const in_addr &s1, const in_addr &s2) const
 172         {
 173                 size_t q;
 174                 size_t p;
 175
 176                 memcpy(&q,&s1,sizeof(size_t));
 177                 memcpy(&p,&s2,sizeof(size_t));
 178
 179                 return (q == p);
 180         }
 181
 182 };
 183
 184
 185 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 186 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 187 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 188 typedef std::deque<command_t> command_table;
 189
 190
 191 extern user_hash clientlist;
 192 extern chan_hash chanlist;
 193 extern user_hash whowas;
 194 extern command_table cmdlist;
 195 extern file_cache MOTD;
 196 extern file_cache RULES;
 197 extern address_cache IP;
 198
 199
 200 // This table references users by file descriptor.
 201 // its an array to make it VERY fast, as all lookups are referenced
 202 // by an integer, meaning there is no need for a scan/search operation.
 203 extern userrec* fd_ref_table[65536];
 204
 205
 206 void handle_join(char **parameters, int pcnt, userrec *user)
 207 {
 208         chanrec* Ptr;
 209
 210         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 211                 return;
 212         if (parameters[0][0] == '#')
 213         {
 214                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 215         }
 216 }
 217
 218
 219 void handle_part(char **parameters, int pcnt, userrec *user)
 220 {
 221         if (pcnt > 1)
 222         {
 223                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 224                         return;
 225                 del_channel(user,parameters[0],parameters[1],false);
 226         }
 227         else
 228         {
 229                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 230                         return;
 231                 del_channel(user,parameters[0],NULL,false);
 232         }
 233 }
 234
 235 void handle_kick(char **parameters, int pcnt, userrec *user)
 236 {
 237         chanrec* Ptr = FindChan(parameters[0]);
 238         userrec* u   = Find(parameters[1]);
 239
 240         if ((!u) || (!Ptr))
 241         {
 242                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 243                 return;
 244         }
 245
 246         if (!has_channel(user,Ptr))
 247         {
 248                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 249                 return;
 250         }
 251
 252         char reason[MAXBUF];
 253
 254         if (pcnt > 2)
 255         {
 256                 strlcpy(reason,parameters[2],MAXBUF);
 257                 if (strlen(reason)>MAXKICK)
 258                 {
 259                         reason[MAXKICK-1] = '\0';
 260                 }
 261
 262                 kick_channel(user,u,Ptr,reason);
 263         }
 264         else
 265         {
 266                 strlcpy(reason,user->nick,MAXBUF);
 267                 kick_channel(user,u,Ptr,reason);
 268         }
 269
 270         // this must be propogated so that channel membership is kept in step network-wide
 271         char buffer[MAXBUF];
 272         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 273         NetSendToAll(buffer);
 274 }
 275
 276 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 277 {
 278         if (LoadModule(parameters[0]))
 279         {
 280                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 281                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 282         }
 283         else
 284         {
 285                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 286         }
 287 }
 288
 289 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 290 {
 291         if (UnloadModule(parameters[0]))
 292         {
 293                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 294                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 295         }
 296         else
 297         {
 298                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 299         }
 300 }
 301
 302 void handle_die(char **parameters, int pcnt, userrec *user)
 303 {
 304         log(DEBUG,"die: %s",user->nick);
 305         if (!strcmp(parameters[0],diepass))
 306         {
 307                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 308                 sleep(DieDelay);
 309                 Exit(ERROR);
 310         }
 311         else
 312         {
 313                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 314         }
 315 }
 316
 317 void handle_restart(char **parameters, int pcnt, userrec *user)
 318 {
 319         char *argv[32];
 320         log(DEFAULT,"Restart: %s",user->nick);
 321         if (!strcmp(parameters[0],restartpass))
 322         {
 323                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 324
 325                 argv[0] = MyExecutable;
 326                 argv[1] = "-wait";
 327                 if (nofork)
 328                 {
 329                         argv[2] = "-nofork";
 330                 }
 331                 else
 332                 {
 333                         argv[2] = NULL;
 334                 }
 335                 argv[3] = NULL;
 336
 337                 // close ALL file descriptors
 338                 send_error("Server restarting.");
 339                 sleep(1);
 340                 for (int i = 0; i < 65536; i++)
 341                 {
 342                         int on = 1;
 343                         struct linger linger = { 0 };
 344                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 345                         linger.l_onoff = 1;
 346                         linger.l_linger = 1;
 347                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 348                         Blocking(i);
 349                         close(i);
 350                 }
 351                 sleep(2);
 352
 353                 execv(MyExecutable,argv);
 354
 355                 exit(0);
 356         }
 357         else
 358         {
 359                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 360         }
 361 }
 362
 363 void handle_kill(char **parameters, int pcnt, userrec *user)
 364 {
 365         userrec *u = Find(parameters[0]);
 366         char killreason[MAXBUF];
 367
 368         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 369         if (u)
 370         {
 371                 log(DEBUG,"into kill mechanism");
 372                 int MOD_RESULT = 0;
 373                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 374                 if (MOD_RESULT) {
 375                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 376                         return;
 377                 }
 378
 379                 if (strcmp(ServerName,u->server))
 380                 {
 381                         // remote kill
 382                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 383                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 384                         WriteCommonExcept(u,"QUIT :%s",killreason);
 385                         // K token must go to ALL servers!!!
 386                         char buffer[MAXBUF];
 387                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 388                         NetSendToAll(buffer);
 389
 390                         user_hash::iterator iter = clientlist.find(u->nick);
 391                         if (iter != clientlist.end())
 392                         {
 393                                 log(DEBUG,"deleting user hash value %d",iter->second);
 394                                 clientlist.erase(iter);
 395                         }
 396                         if (u->registered == 7)
 397                         {
 398                                 purge_empty_chans(u);
 399                         }
 400                         if (u->fd > -1)
 401                                 fd_ref_table[u->fd] = NULL;
 402                         delete u;
 403                 }
 404                 else
 405                 {
 406                         // local kill
 407                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 408                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 409                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 410                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 411                         kill_link(u,killreason);
 412                 }
 413         }
 414         else
 415         {
 416                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 417         }
 418 }
 419
 420 void handle_summon(char **parameters, int pcnt, userrec *user)
 421 {
 422         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 423 }
 424
 425 void handle_users(char **parameters, int pcnt, userrec *user)
 426 {
 427         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 428 }
 429
 430 void handle_pass(char **parameters, int pcnt, userrec *user)
 431 {
 432         // Check to make sure they havnt registered -- Fix by FCS
 433         if (user->registered == 7)
 434         {
 435                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 436                 return;
 437         }
 438         strlcpy(user->password,parameters[0],MAXBUF);
 439         if (!strcasecmp(parameters[0],Passwd(user)))
 440         {
 441                 user->haspassed = true;
 442         }
 443 }
 444
 445 void handle_invite(char **parameters, int pcnt, userrec *user)
 446 {
 447         userrec* u = Find(parameters[0]);
 448         chanrec* c = FindChan(parameters[1]);
 449
 450         if ((!c) || (!u))
 451         {
 452                 if (!c)
 453                 {
 454                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 455                 }
 456                 else
 457                 {
 458                         if (c->inviteonly)
 459                         {
 460                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 461                         }
 462                 }
 463
 464                 return;
 465         }
 466
 467         if (c->inviteonly)
 468         {
 469                 if (cstatus(user,c) < STATUS_HOP)
 470                 {
 471                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 472                         return;
 473                 }
 474         }
 475         if (has_channel(u,c))
 476         {
 477                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 478                 return;
 479         }
 480         if (!has_channel(user,c))
 481         {
 482                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 483                 return;
 484         }
 485
 486         int MOD_RESULT = 0;
 487         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 488         if (MOD_RESULT == 1) {
 489                 return;
 490         }
 491
 492         u->InviteTo(c->name);
 493         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 494         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 495
 496         // i token must go to ALL servers!!!
 497         char buffer[MAXBUF];
 498         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 499         NetSendToAll(buffer);
 500 }
 501
 502 void handle_topic(char **parameters, int pcnt, userrec *user)
 503 {
 504         chanrec* Ptr;
 505
 506         if (pcnt == 1)
 507         {
 508                 if (strlen(parameters[0]) <= CHANMAX)
 509                 {
 510                         Ptr = FindChan(parameters[0]);
 511                         if (Ptr)
 512                         {
 513                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 514                                 {
 515                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 516                                         return;
 517                                 }
 518                                 if (Ptr->topicset)
 519                                 {
 520                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 521                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 522                                 }
 523                                 else
 524                                 {
 525                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 526                                 }
 527                         }
 528                         else
 529                         {
 530                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 531                         }
 532                 }
 533                 return;
 534         }
 535         else if (pcnt>1)
 536         {
 537                 if (strlen(parameters[0]) <= CHANMAX)
 538                 {
 539                         Ptr = FindChan(parameters[0]);
 540                         if (Ptr)
 541                         {
 542                                 if ((Ptr) && (!has_channel(user,Ptr)))
 543                                 {
 544                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 545                                         return;
 546                                 }
 547                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 548                                 {
 549                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 550                                         return;
 551                                 }
 552
 553                                 char topic[MAXBUF];
 554                                 strlcpy(topic,parameters[1],MAXBUF);
 555                                 if (strlen(topic)>MAXTOPIC)
 556                                 {
 557                                         topic[MAXTOPIC-1] = '\0';
 558                                 }
 559
 560                                 if (!strcasecmp(user->server,ServerName))
 561                                 {
 562                                         int MOD_RESULT = 0;
 563                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 564                                         if (MOD_RESULT)
 565                                                 return;
 566                                 }
 567
 568                                 strlcpy(Ptr->topic,topic,MAXBUF);
 569                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 570                                 Ptr->topicset = TIME;
 571                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 572
 573                                 // t token must go to ALL servers!!!
 574                                 char buffer[MAXBUF];
 575                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 576                                 NetSendToAll(buffer);
 577                         }
 578                         else
 579                         {
 580                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 581                         }
 582                 }
 583         }
 584 }
 585
 586 void handle_names(char **parameters, int pcnt, userrec *user)
 587 {
 588         chanrec* c;
 589
 590         if (!pcnt)
 591         {
 592                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 593                 return;
 594         }
 595
 596         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 597                 return;
 598         c = FindChan(parameters[0]);
 599         if (c)
 600         {
 601                 if (((c) && (!has_channel(user,c))) && (c->secret))
 602                 {
 603                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 604                       return;
 605                 }
 606                 userlist(user,c);
 607                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 608         }
 609         else
 610         {
 611                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 612         }
 613 }
 614
 615 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 616 {
 617         userrec *dest;
 618         chanrec *chan;
 619
 620         user->idle_lastmsg = TIME;
 621
 622         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 623                 return;
 624         if (parameters[0][0] == '#')
 625         {
 626                 chan = FindChan(parameters[0]);
 627                 if (chan)
 628                 {
 629                         if ((chan->noexternal) && (!has_channel(user,chan)))
 630                         {
 631                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 632                                 return;
 633                         }
 634                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 635                         {
 636                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 637                                 return;
 638                         }
 639
 640                         int MOD_RESULT = 0;
 641
 642                         std::string temp = parameters[1];
 643                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 644                         if (MOD_RESULT) {
 645                                 return;
 646                         }
 647                         parameters[1] = (char*)temp.c_str();
 648
 649                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 650
 651                         // if any users of this channel are on remote servers, broadcast the packet
 652                         char buffer[MAXBUF];
 653                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 654                         NetSendToCommon(user,buffer);
 655                 }
 656                 else
 657                 {
 658                         /* no such nick/channel */
 659                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 660                 }
 661                 return;
 662         }
 663
 664         dest = Find(parameters[0]);
 665         if (dest)
 666         {
 667                 if (strcmp(dest->awaymsg,""))
 668                 {
 669                         /* auto respond with aweh msg */
 670                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 671                 }
 672
 673                 int MOD_RESULT = 0;
 674
 675                 std::string temp = parameters[1];
 676                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 677                 if (MOD_RESULT) {
 678                         return;
 679                 }
 680                 parameters[1] = (char*)temp.c_str();
 681
 682
 683
 684                 if (!strcmp(dest->server,user->server))
 685                 {
 686                         // direct write, same server
 687                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 688                 }
 689                 else
 690                 {
 691                         char buffer[MAXBUF];
 692                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 693                         NetSendToOne(dest->server,buffer);
 694                 }
 695         }
 696         else
 697         {
 698                 /* no such nick/channel */
 699                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 700         }
 701 }
 702
 703 void handle_notice(char **parameters, int pcnt, userrec *user)
 704 {
 705         userrec *dest;
 706         chanrec *chan;
 707
 708         user->idle_lastmsg = TIME;
 709
 710         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 711                 return;
 712         if (parameters[0][0] == '#')
 713         {
 714                 chan = FindChan(parameters[0]);
 715                 if (chan)
 716                 {
 717                         if ((chan->noexternal) && (!has_channel(user,chan)))
 718                         {
 719                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 720                                 return;
 721                         }
 722                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 723                         {
 724                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 725                                 return;
 726                         }
 727
 728                         int MOD_RESULT = 0;
 729
 730                         std::string temp = parameters[1];
 731                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 732                         if (MOD_RESULT) {
 733                                 return;
 734                         }
 735                         parameters[1] = (char*)temp.c_str();
 736
 737                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 738
 739                         // if any users of this channel are on remote servers, broadcast the packet
 740                         char buffer[MAXBUF];
 741                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 742                         NetSendToCommon(user,buffer);
 743                 }
 744                 else
 745                 {
 746                         /* no such nick/channel */
 747                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 748                 }
 749                 return;
 750         }
 751
 752         dest = Find(parameters[0]);
 753         if (dest)
 754         {
 755                 int MOD_RESULT = 0;
 756
 757                 std::string temp = parameters[1];
 758                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 759                 if (MOD_RESULT) {
 760                         return;
 761                 }
 762                 parameters[1] = (char*)temp.c_str();
 763
 764                 if (!strcmp(dest->server,user->server))
 765                 {
 766                         // direct write, same server
 767                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 768                 }
 769                 else
 770                 {
 771                         char buffer[MAXBUF];
 772                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 773                         NetSendToOne(dest->server,buffer);
 774                 }
 775         }
 776         else
 777         {
 778                 /* no such nick/channel */
 779                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 780         }
 781 }
 782
 783 void handle_server(char **parameters, int pcnt, userrec *user)
 784 {
 785         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 786         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 787 }
 788
 789 void handle_info(char **parameters, int pcnt, userrec *user)
 790 {
 791         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 792         WriteServ(user->fd,"371 %s : ",user->nick);
 793         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 794         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 795         WriteServ(user->fd,"371 %s : ",user->nick);
 796         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 797         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 798         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 799         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 800         WriteServ(user->fd,"371 %s : ",user->nick);
 801         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 802         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 803         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 804         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 805         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 806         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 807         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 808         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 809         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 810         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 811         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 812         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 813         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 814         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 815         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 816         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 817         WriteServ(user->fd,"371 %s : ",user->nick);
 818         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 819         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 820         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 821         WriteServ(user->fd,"371 %s :this software.",user->nick);
 822         WriteServ(user->fd,"371 %s : ",user->nick);
 823         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 824         FOREACH_MOD OnInfo(user);
 825         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 826 }
 827
 828 void handle_time(char **parameters, int pcnt, userrec *user)
 829 {
 830         time_t rawtime;
 831         struct tm * timeinfo;
 832
 833         time ( &rawtime );
 834         timeinfo = localtime ( &rawtime );
 835         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 836
 837 }
 838
 839 void handle_whois(char **parameters, int pcnt, userrec *user)
 840 {
 841         userrec *dest;
 842
 843         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 844                 return;
 845         dest = Find(parameters[0]);
 846         if (dest)
 847         {
 848                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 849                 if (dest->registered == 7)
 850                 {
 851                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 852                         if ((user == dest) || (strchr(user->modes,'o')))
 853                         {
 854                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 855                         }
 856                         if (strcmp(chlist(dest),""))
 857                         {
 858                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 859                         }
 860                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 861                         if (strcmp(dest->awaymsg,""))
 862                         {
 863                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 864                         }
 865                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 866                         {
 867                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 868                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 869                         }
 870                         FOREACH_MOD OnWhois(user,dest);
 871                         if (!strcasecmp(user->server,dest->server))
 872                         {
 873                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 874                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 875                         }
 876
 877                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 878                 }
 879                 else
 880                 {
 881                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 882                 }
 883         }
 884         else
 885         {
 886                 /* no such nick/channel */
 887                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 888         }
 889 }
 890
 891 void handle_quit(char **parameters, int pcnt, userrec *user)
 892 {
 893         user_hash::iterator iter = clientlist.find(user->nick);
 894         char* reason;
 895
 896         if (user->registered == 7)
 897         {
 898                 /* theres more to do here, but for now just close the socket */
 899                 if (pcnt == 1)
 900                 {
 901                         if (parameters[0][0] == ':')
 902                         {
 903                                 *parameters[0]++;
 904                         }
 905                         reason = parameters[0];
 906
 907                         if (strlen(reason)>MAXQUIT)
 908                         {
 909                                 reason[MAXQUIT-1] = '\0';
 910                         }
 911
 912                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 913                         WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,parameters[0]);
 914                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 915
 916                         char buffer[MAXBUF];
 917                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 918                         NetSendToAll(buffer);
 919                 }
 920                 else
 921                 {
 922                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 923                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 924                         WriteCommonExcept(user,"QUIT :Client exited");
 925
 926                         char buffer[MAXBUF];
 927                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 928                         NetSendToAll(buffer);
 929                 }
 930                 FOREACH_MOD OnUserQuit(user);
 931                 AddWhoWas(user);
 932         }
 933
 934         FOREACH_MOD OnUserDisconnect(user);
 935
 936         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 937         if (user->fd > -1)
 938         {
 939                 shutdown(user->fd,2);
 940                 close(user->fd);
 941         }
 942
 943         if (iter != clientlist.end())
 944         {
 945                 clientlist.erase(iter);
 946         }
 947
 948         if (user->registered == 7) {
 949                 purge_empty_chans(user);
 950         }
 951         if (user->fd > -1)
 952                 fd_ref_table[user->fd] = NULL;
 953         delete user;
 954 }
 955
 956 void handle_who(char **parameters, int pcnt, userrec *user)
 957 {
 958         chanrec* Ptr = NULL;
 959         char tmp[10];
 960
 961         /* theres more to do here, but for now just close the socket */
 962         if (pcnt == 1)
 963         {
 964                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 965                 {
 966                         if (user->chans[0].channel)
 967                         {
 968                                 int n_list = 0;
 969                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 970                                 {
 971                                         Ptr = i->second->chans[0].channel;
 972                                         // suggested by phidjit and FCS
 973                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 974                                         {
 975                                                 // Bug Fix #29
 976                                                 strcpy(tmp, "");
 977                                                 if (strcmp(i->second->awaymsg, "")) {
 978                                                         strncat(tmp, "G", 9);
 979                                                 } else {
 980                                                         strncat(tmp, "H", 9);
 981                                                 }
 982                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
 983                                                 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);
 984                                                 n_list++;
 985                                                 if (n_list > MaxWhoResults)
 986                                                         break;
 987                                         }
 988                                 }
 989                         }
 990                         if (Ptr)
 991                         {
 992                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 993                         }
 994                         else
 995                         {
 996                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
 997                         }
 998                         return;
 999                 }
1000                 if (parameters[0][0] == '#')
1001                 {
1002                         Ptr = FindChan(parameters[0]);
1003                         if (Ptr)
1004                         {
1005                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1006                                 {
1007                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1008                                         {
1009                                                 // Fix Bug #29 - Part 2..
1010                                                 strcpy(tmp, "");
1011                                                 if (strcmp(i->second->awaymsg, "")) {
1012                                                         strncat(tmp, "G", 9);
1013                                                 } else {
1014                                                         strncat(tmp, "H", 9);
1015                                                 }
1016                                                 if (strchr(i->second->modes,'o')) { strncat(tmp, "*", 9); }
1017                                                 strcat(tmp, cmode(i->second, Ptr));
1018                                                 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);
1019                                         }
1020                                 }
1021                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1022                         }
1023                         else
1024                         {
1025                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1026                         }
1027                 }
1028                 else
1029                 {
1030                         userrec* u = Find(parameters[0]);
1031                         if (u)
1032                         {
1033                                 // Bug Fix #29 -- Part 29..
1034                                 strcpy(tmp, "");
1035                                 if (strcmp(u->awaymsg, "")) {
1036                                         strncat(tmp, "G" ,9);
1037                                 } else {
1038                                         strncat(tmp, "H" ,9);
1039                                 }
1040                                 if (strchr(u->modes,'o')) { strncat(tmp, "*" ,9); }
1041                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->nick, u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1042                         }
1043                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1044                 }
1045         }
1046         if (pcnt == 2)
1047         {
1048                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1049                 {
1050                         for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1051                         {
1052                                 if ((common_channels(user,i->second)) && (isnick(i->second->nick)))
1053                                 {
1054                                         if (strchr(i->second->modes,'o'))
1055                                         {
1056                                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1057                                                 // But i'm a poor bastard with nothing better to do.
1058                                                 strcpy(tmp, "");
1059                                                 if (strcmp(i->second->awaymsg, "")) {
1060                                                         strncat(tmp, "G" ,9);
1061                                                 } else {
1062                                                         strncat(tmp, "H" ,9);
1063                                                 }
1064
1065                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s",user->nick, user->nick, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1066                                         }
1067                                 }
1068                         }
1069                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1070                         return;
1071                 }
1072         }
1073 }
1074
1075 void handle_wallops(char **parameters, int pcnt, userrec *user)
1076 {
1077         WriteWallOps(user,false,"%s",parameters[0]);
1078 }
1079
1080 void handle_list(char **parameters, int pcnt, userrec *user)
1081 {
1082         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1083         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1084         {
1085                 if ((!i->second->c_private) && (!i->second->secret))
1086                 {
1087                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1088                 }
1089         }
1090         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1091 }
1092
1093
1094 void handle_rehash(char **parameters, int pcnt, userrec *user)
1095 {
1096         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1097         ReadConfig(false,user);
1098         FOREACH_MOD OnRehash();
1099         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1100 }
1101
1102 void handle_lusers(char **parameters, int pcnt, userrec *user)
1103 {
1104         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1105         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1106         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1107         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1108         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1109 }
1110
1111 void handle_admin(char **parameters, int pcnt, userrec *user)
1112 {
1113         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1114         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1115         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1116         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1117 }
1118
1119 void handle_ping(char **parameters, int pcnt, userrec *user)
1120 {
1121         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1122 }
1123
1124 void handle_pong(char **parameters, int pcnt, userrec *user)
1125 {
1126         // set the user as alive so they survive to next ping
1127         user->lastping = 1;
1128 }
1129
1130 void handle_motd(char **parameters, int pcnt, userrec *user)
1131 {
1132         ShowMOTD(user);
1133 }
1134
1135 void handle_rules(char **parameters, int pcnt, userrec *user)
1136 {
1137         ShowRULES(user);
1138 }
1139
1140 void handle_user(char **parameters, int pcnt, userrec *user)
1141 {
1142         if (user->registered < 3)
1143         {
1144                 if (isident(parameters[0]) == 0) {
1145                         // This kinda Sucks, According to the RFC thou, its either this,
1146                         // or "You have already registered" :p -- Craig
1147                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1148                 }
1149                 else {
1150                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1151                         strlcat(user->ident,parameters[0],IDENTMAX);
1152                         strlcpy(user->fullname,parameters[3],128);
1153                         user->registered = (user->registered | 1);
1154                 }
1155         }
1156         else
1157         {
1158                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1159                 return;
1160         }
1161         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1162         if (user->registered == 3)
1163         {
1164                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1165                 FOREACH_MOD OnUserRegister(user);
1166                 ConnectUser(user);
1167         }
1168 }
1169
1170 void handle_userhost(char **parameters, int pcnt, userrec *user)
1171 {
1172         char Return[MAXBUF],junk[MAXBUF];
1173         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1174         for (int i = 0; i < pcnt; i++)
1175         {
1176                 userrec *u = Find(parameters[i]);
1177                 if (u)
1178                 {
1179                         if (strchr(u->modes,'o'))
1180                         {
1181                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1182                                 strlcat(Return,junk,MAXBUF);
1183                         }
1184                         else
1185                         {
1186                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1187                                 strlcat(Return,junk,MAXBUF);
1188                         }
1189                 }
1190         }
1191         WriteServ(user->fd,Return);
1192 }
1193
1194
1195 void handle_ison(char **parameters, int pcnt, userrec *user)
1196 {
1197         char Return[MAXBUF];
1198         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1199         for (int i = 0; i < pcnt; i++)
1200         {
1201                 userrec *u = Find(parameters[i]);
1202                 if (u)
1203                 {
1204                         strlcat(Return,u->nick,MAXBUF);
1205                         strlcat(Return," ",MAXBUF);
1206                 }
1207         }
1208         WriteServ(user->fd,Return);
1209 }
1210
1211
1212 void handle_away(char **parameters, int pcnt, userrec *user)
1213 {
1214         if (pcnt)
1215         {
1216                 strlcpy(user->awaymsg,parameters[0],512);
1217                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1218         }
1219         else
1220         {
1221                 strlcpy(user->awaymsg,"",512);
1222                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1223         }
1224 }
1225
1226 void handle_whowas(char **parameters, int pcnt, userrec* user)
1227 {
1228         user_hash::iterator i = whowas.find(parameters[0]);
1229
1230         if (i == whowas.end())
1231         {
1232                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1233                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1234         }
1235         else
1236         {
1237                 time_t rawtime = i->second->signon;
1238                 tm *timeinfo;
1239                 char b[MAXBUF];
1240
1241                 timeinfo = localtime(&rawtime);
1242                 strlcpy(b,asctime(timeinfo),MAXBUF);
1243                 b[strlen(b)-1] = '\0';
1244
1245                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1246                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1247                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1248         }
1249
1250 }
1251
1252 void handle_trace(char **parameters, int pcnt, userrec *user)
1253 {
1254         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1255         {
1256                 if (i->second)
1257                 {
1258                         if (isnick(i->second->nick))
1259                         {
1260                                 if (strchr(i->second->modes,'o'))
1261                                 {
1262                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1263                                 }
1264                                 else
1265                                 {
1266                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1267                                 }
1268                         }
1269                         else
1270                         {
1271                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1272                         }
1273                 }
1274         }
1275 }
1276
1277 void handle_modules(char **parameters, int pcnt, userrec *user)
1278 {
1279         for (int i = 0; i < module_names.size(); i++)
1280         {
1281                 Version V = modules[i]->GetVersion();
1282                 char modulename[MAXBUF];
1283                 char flagstate[MAXBUF];
1284                 strcpy(flagstate,"");
1285                 if (V.Flags & VF_STATIC)
1286                         strlcat(flagstate,", static",MAXBUF);
1287                 if (V.Flags & VF_VENDOR)
1288                         strlcat(flagstate,", vendor",MAXBUF);
1289                 if (V.Flags & VF_COMMON)
1290                         strlcat(flagstate,", common",MAXBUF);
1291                 if (V.Flags & VF_SERVICEPROVIDER)
1292                         strlcat(flagstate,", service provider",MAXBUF);
1293                 if (!flagstate[0])
1294                         strcpy(flagstate,"  <no flags>");
1295                 strlcpy(modulename,module_names[i].c_str(),256);
1296                 if (strchr(user->modes,'o'))
1297                 {
1298                         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);
1299                 }
1300                 else
1301                 {
1302                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1303                 }
1304         }
1305         WriteServ(user->fd,"901 %s :End of MODULES list",user->nick);
1306 }
1307
1308 void handle_stats(char **parameters, int pcnt, userrec *user)
1309 {
1310         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1311         if (pcnt != 1)
1312         {
1313                 return;
1314         }
1315         if (strlen(parameters[0])>1)
1316         {
1317                 /* make the stats query 1 character long */
1318                 parameters[0][1] = '\0';
1319         }
1320
1321
1322         FOREACH_MOD OnStats(*parameters[0]);
1323
1324         if (*parameters[0] == 'c')
1325         {
1326                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1327                 {
1328                         ConfValue("link","name",i,Link_ServerName,&config_f);
1329                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1330                         ConfValue("link","port",i,Link_Port,&config_f);
1331                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1332                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1333                 }
1334         }
1335
1336         if (*parameters[0] == 'i')
1337         {
1338                 int idx = 0;
1339                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1340                 {
1341                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1342                         idx++;
1343                 }
1344         }
1345
1346         if (*parameters[0] == 'y')
1347         {
1348                 int idx = 0;
1349                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1350                 {
1351                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1352                         idx++;
1353                 }
1354         }
1355
1356         if (*parameters[0] == 'U')
1357         {
1358                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1359                 {
1360                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1361                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1362                 }
1363         }
1364
1365         if (*parameters[0] == 'P')
1366         {
1367                 int idx = 0;
1368                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1369                 {
1370                         if (strchr(i->second->modes,'o'))
1371                         {
1372                                 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));
1373                                 idx++;
1374                         }
1375                 }
1376                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1377         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1378         }
1379
1380         if (*parameters[0] == 'k')
1381         {
1382                 stats_k(user);
1383         }
1384
1385         if (*parameters[0] == 'g')
1386         {
1387                 stats_g(user);
1388         }
1389
1390         if (*parameters[0] == 'q')
1391         {
1392                 stats_q(user);
1393         }
1394
1395         if (*parameters[0] == 'Z')
1396         {
1397                 stats_z(user);
1398         }
1399
1400         if (*parameters[0] == 'e')
1401         {
1402                 stats_e(user);
1403         }
1404
1405         /* stats m (list number of times each command has been used, plus bytecount) */
1406         if (*parameters[0] == 'm')
1407         {
1408                 for (int i = 0; i < cmdlist.size(); i++)
1409                 {
1410                         if (cmdlist[i].handler_function)
1411                         {
1412                                 if (cmdlist[i].use_count)
1413                                 {
1414                                         /* RPL_STATSCOMMANDS */
1415                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1416                                 }
1417                         }
1418                 }
1419
1420         }
1421
1422         /* stats z (debug and memory info) */
1423         if (*parameters[0] == 'z')
1424         {
1425                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1426                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1427                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1428                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1429                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1430                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1431                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1432                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1433         }
1434
1435         /* stats o */
1436         if (*parameters[0] == 'o')
1437         {
1438                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1439                 {
1440                         char LoginName[MAXBUF];
1441                         char HostName[MAXBUF];
1442                         char OperType[MAXBUF];
1443                         ConfValue("oper","name",i,LoginName,&config_f);
1444                         ConfValue("oper","host",i,HostName,&config_f);
1445                         ConfValue("oper","type",i,OperType,&config_f);
1446                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1447                 }
1448         }
1449
1450         /* stats l (show user I/O stats) */
1451         if (*parameters[0] == 'l')
1452         {
1453                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1454                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1455                 {
1456                         if (isnick(i->second->nick))
1457                         {
1458                                 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);
1459                         }
1460                         else
1461                         {
1462                                 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);
1463                         }
1464
1465                 }
1466         }
1467
1468         /* stats u (show server uptime) */
1469         if (*parameters[0] == 'u')
1470         {
1471                 time_t current_time = 0;
1472                 current_time = TIME;
1473                 time_t server_uptime = current_time - startup_time;
1474                 struct tm* stime;
1475                 stime = gmtime(&server_uptime);
1476                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1477                  * Craig suggested this, and it seemed a good idea so in it went */
1478                 if (stime->tm_year > 70)
1479                 {
1480                         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);
1481                 }
1482                 else
1483                 {
1484                         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);
1485                 }
1486         }
1487
1488         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1489         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1490
1491 }
1492
1493 void handle_connect(char **parameters, int pcnt, userrec *user)
1494 {
1495         char Link_ServerName[1024];
1496         char Link_IPAddr[1024];
1497         char Link_Port[1024];
1498         char Link_Pass[1024];
1499         int LinkPort;
1500         bool found = false;
1501
1502         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1503         {
1504                 if (!found)
1505                 {
1506                         ConfValue("link","name",i,Link_ServerName,&config_f);
1507                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1508                         ConfValue("link","port",i,Link_Port,&config_f);
1509                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1510                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1511                         LinkPort = atoi(Link_Port);
1512                         if (match(Link_ServerName,parameters[0])) {
1513                                 found = true;
1514                                 break;
1515                         }
1516                 }
1517         }
1518
1519         if (!found) {
1520                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1521                 return;
1522         }
1523
1524         // TODO: Perform a check here to stop a server being linked twice!
1525
1526         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1527
1528         if (me[defaultRoute])
1529         {
1530                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1531                 return;
1532         }
1533         else
1534         {
1535                 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);
1536         }
1537 }
1538
1539 void handle_squit(char **parameters, int pcnt, userrec *user)
1540 {
1541         // send out an squit across the mesh and then clear the server list (for local squit)
1542         if (!pcnt)
1543         {
1544                 WriteOpers("SQUIT command issued by %s",user->nick);
1545                 char buffer[MAXBUF];
1546                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1547                 NetSendToAll(buffer);
1548                 DoSplitEveryone();
1549         }
1550         else
1551         {
1552                 if (!strcasecmp("*",parameters[0]))
1553                 {
1554                         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);
1555                         WriteOpers("*** WARNING! %s tried to SQUIT all servers at once!",user->nick);
1556                         return;
1557                 }
1558                 if (!strcasecmp(ServerName,parameters[0]))
1559                 {
1560                         WriteServ(user->fd,"NOTICE %s :*** To take the local server out of the mesh, just use /SQUIT with no parameters instead.",user->nick);
1561                         return;
1562                 }
1563                 bool have_this_server = true;
1564                 int n_count = 0;
1565                 std::string server_to_squit = "";
1566                 while (have_this_server)
1567                 {
1568                         have_this_server = false;
1569                         for (int j = 0; j < 32; j++)
1570                         {
1571                                 if (me[j] != NULL)
1572                                 {
1573                                         for (int x = 0; x < me[j]->connectors.size(); x++)
1574                                         {
1575                                                 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1576                                                 {
1577                                                         // found a valid ircd_connector.
1578                                                         have_this_server = true;
1579                                                         server_to_squit = me[j]->connectors[x].GetServerName().c_str();
1580                                                         break;
1581                                                 }
1582                                         }
1583                                 }
1584                         }
1585                         if (have_this_server)
1586                         {
1587                                 WriteOpers("SQUIT command issued by %s to remove %s from the mesh",user->nick,server_to_squit.c_str());
1588                                 WriteServ(user->fd,"NOTICE %s :*** Removing remote server %s.",user->nick,server_to_squit.c_str());
1589                                 char buffer[MAXBUF];
1590                                 snprintf(buffer,MAXBUF,"& %s",server_to_squit.c_str());
1591                                 NetSendToAll(buffer);
1592                                 DoSplit(server_to_squit.c_str());
1593                                 n_count++;
1594                         }
1595                 }
1596                 if (!n_count)
1597                 {
1598                         WriteServ(user->fd,"402 %s %s :Your pattern did not match any servers.",user->nick,parameters[0]);
1599                 }
1600         }
1601 }
1602
1603 void handle_links(char **parameters, int pcnt, userrec *user)
1604 {
1605         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1606         for (int j = 0; j < 32; j++)
1607         {
1608                 if (me[j] != NULL)
1609                 {
1610                         for (int k = 0; k < me[j]->connectors.size(); k++)
1611                         {
1612                                 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());
1613                         }
1614                 }
1615         }
1616         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1617 }
1618
1619 void handle_map(char **parameters, int pcnt, userrec *user)
1620 {
1621         char line[MAXBUF];
1622         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1623         while (strlen(line) < 50)
1624                 strcat(line," ");
1625         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1626         for (int j = 0; j < 32; j++)
1627         {
1628                 if (me[j] != NULL)
1629                 {
1630                         for (int k = 0; k < me[j]->connectors.size(); k++)
1631                         {
1632                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1633                                 while (strlen(line) < 50)
1634                                         strcat(line," ");
1635                                 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));
1636                         }
1637                 }
1638         }
1639         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1640 }
1641
1642 bool is_uline(const char* server)
1643 {
1644         char ServName[MAXBUF];
1645         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1646         {
1647                 ConfValue("uline","server",i,ServName,&config_f);
1648                 if (!strcasecmp(server,ServName))
1649                 {
1650                         return true;
1651                 }
1652         }
1653         return false;
1654 }
1655 int operstrcmp(char* data,char* input)
1656 {
1657         int MOD_RESULT = 0;
1658         FOREACH_RESULT(OnOperCompare(data,input))
1659         log(DEBUG,"operstrcmp: %d",MOD_RESULT);
1660         if (MOD_RESULT == 1)
1661                 return 0;
1662         if (MOD_RESULT == -1)
1663                 return 1;
1664         log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
1665         return strcmp(data,input);
1666 }
1667
1668 void handle_oper(char **parameters, int pcnt, userrec *user)
1669 {
1670         char LoginName[MAXBUF];
1671         char Password[MAXBUF];
1672         char OperType[MAXBUF];
1673         char TypeName[MAXBUF];
1674         char HostName[MAXBUF];
1675         char TheHost[MAXBUF];
1676         int j;
1677         bool found = false;
1678         bool fail2 = false;
1679         char global[MAXBUF];
1680
1681         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1682
1683         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1684         {
1685                 ConfValue("oper","name",i,LoginName,&config_f);
1686                 ConfValue("oper","password",i,Password,&config_f);
1687                 ConfValue("oper","type",i,OperType,&config_f);
1688                 ConfValue("oper","host",i,HostName,&config_f);
1689                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1690                 {
1691                         fail2 = true;
1692                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1693                         {
1694                                 ConfValue("type","name",j,TypeName,&config_f);
1695
1696                                 if (!strcmp(TypeName,OperType))
1697                                 {
1698                                         /* found this oper's opertype */
1699                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1700                                         NetSendToAll(global);
1701                                         ConfValue("type","host",j,HostName,&config_f);
1702                                         ChangeDisplayedHost(user,HostName);
1703                                         strlcpy(user->oper,TypeName,NICKMAX);
1704                                         found = true;
1705                                         fail2 = false;
1706                                         break;
1707                                 }
1708                         }
1709                 }
1710                 if (found)
1711                         break;
1712         }
1713         if (found)
1714         {
1715                 /* correct oper credentials */
1716                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1717                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1718                 if (!strchr(user->modes,'o'))
1719                 {
1720                         strcat(user->modes,"o");
1721                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1722                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1723                         NetSendToAll(global);
1724                         FOREACH_MOD OnOper(user);
1725                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1726                         AddOper(user);
1727                 }
1728         }
1729         else
1730         {
1731                 if (!fail2)
1732                 {
1733                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1734                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1735                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1736                 }
1737                 else
1738                 {
1739                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1740                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1741                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1742                 }
1743         }
1744         return;
1745 }
1746
1747 void handle_nick(char **parameters, int pcnt, userrec *user)
1748 {
1749         if (pcnt < 1)
1750         {
1751                 log(DEBUG,"not enough params for handle_nick");
1752                 return;
1753         }
1754         if (!parameters[0])
1755         {
1756                 log(DEBUG,"invalid parameter passed to handle_nick");
1757                 return;
1758         }
1759         if (!parameters[0][0])
1760         {
1761                 log(DEBUG,"zero length new nick passed to handle_nick");
1762                 return;
1763         }
1764         if (!user)
1765         {
1766                 log(DEBUG,"invalid user passed to handle_nick");
1767                 return;
1768         }
1769         if (!user->nick)
1770         {
1771                 log(DEBUG,"invalid old nick passed to handle_nick");
1772                 return;
1773         }
1774         if (!strcasecmp(user->nick,parameters[0]))
1775         {
1776                 log(DEBUG,"old nick is new nick, skipping");
1777                 return;
1778         }
1779         else
1780         {
1781                 if (strlen(parameters[0]) > 1)
1782                 {
1783                         if (parameters[0][0] == ':')
1784                         {
1785                                 *parameters[0]++;
1786                         }
1787                 }
1788                 if (matches_qline(parameters[0]))
1789                 {
1790                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1791                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1792                         return;
1793                 }
1794                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1795                 {
1796                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1797                         return;
1798                 }
1799         }
1800         if (isnick(parameters[0]) == 0)
1801         {
1802                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1803                 return;
1804         }
1805
1806         if (user->registered == 7)
1807         {
1808                 int MOD_RESULT = 0;
1809                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1810                 if (MOD_RESULT) {
1811                         // if a module returns true, the nick change is silently forbidden.
1812                         return;
1813                 }
1814
1815                 WriteCommon(user,"NICK %s",parameters[0]);
1816
1817                 // N token must go to ALL servers!!!
1818                 char buffer[MAXBUF];
1819                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1820                 NetSendToAll(buffer);
1821         }
1822
1823         char oldnick[NICKMAX];
1824         strlcpy(oldnick,user->nick,NICKMAX);
1825
1826         /* change the nick of the user in the users_hash */
1827         user = ReHashNick(user->nick, parameters[0]);
1828         /* actually change the nick within the record */
1829         if (!user) return;
1830         if (!user->nick) return;
1831
1832         strlcpy(user->nick, parameters[0],NICKMAX);
1833
1834         log(DEBUG,"new nick set: %s",user->nick);
1835
1836         if (user->registered < 3)
1837         {
1838                 user->registered = (user->registered | 2);
1839                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1840                 // and unless we're lucky we'll get a duff one later on.
1841                 user->dns_done = (!lookup_dns(user->nick));
1842                 if (user->dns_done)
1843                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1844         }
1845         if (user->registered == 3)
1846         {
1847                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1848                 FOREACH_MOD OnUserRegister(user);
1849                 ConnectUser(user);
1850         }
1851         if (user->registered == 7)
1852         {
1853                 FOREACH_MOD OnUserPostNick(user,oldnick);
1854         }
1855 }
1856
1857
1858 void handle_v(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1859 {
1860         char* servername = strtok(params," ");
1861         char* versionstr = strtok(NULL,"\r\n");
1862
1863         for (int j = 0; j < 32; j++)
1864         {
1865                 if (me[j] != NULL)
1866                 {
1867                         for (int x = 0; x < me[j]->connectors.size(); x++)
1868                         {
1869                                 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),servername))
1870                                 {
1871                                         me[j]->connectors[x].SetVersionString(versionstr);
1872                                 }
1873                         }
1874                 }
1875         }
1876 }
1877
1878 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1879 {
1880         char* src = strtok(params," ");
1881         char* dest = strtok(NULL," :");
1882         char* text = strtok(NULL,"\r\n");
1883         text++;
1884
1885         userrec* user = Find(src);
1886         if (user)
1887         {
1888                 // notice all - only issuable by a server
1889                 if (!strcmp(dest,"*"))
1890                 {
1891                         NoticeAll(user,true,"%s",text);
1892                 }
1893                 if (!strcmp(dest,"@*"))
1894                 {
1895                         NoticeAllOpers(user,true,"%s",text);
1896                 }
1897                 else
1898                 {
1899                         userrec* dst = Find(dest);
1900                         if (dst)
1901                         {
1902                                 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1903                         }
1904                         else
1905                         {
1906                                 chanrec* d = FindChan(dest);
1907                                 if (d)
1908                                 {
1909                                         ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1910                                 }
1911                         }
1912                 }
1913         }
1914
1915 }
1916
1917
1918 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1919 {
1920         char* src = strtok(params," ");
1921         char* dest = strtok(NULL," :");
1922         char* text = strtok(NULL,"\r\n");
1923         text++;
1924
1925         userrec* user = Find(src);
1926         if (user)
1927         {
1928                 userrec* dst = Find(dest);
1929
1930                 if (dst)
1931                 {
1932                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1933                 }
1934                 else
1935                 {
1936                         chanrec* d = FindChan(dest);
1937                         if (d)
1938                         {
1939                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1940                         }
1941                 }
1942         }
1943
1944 }
1945
1946 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1947 {
1948         char* nick = strtok(params," ");
1949         char* from = strtok(NULL," ");
1950         char* channel = strtok(NULL," ");
1951         userrec* u = Find(nick);
1952         userrec* user = Find(from);
1953         chanrec* c = FindChan(channel);
1954         if ((c) && (u) && (user))
1955         {
1956                 u->InviteTo(c->name);
1957                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1958         }
1959 }
1960
1961 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1962 {
1963         char* setby = strtok(params," ");
1964         char* channel = strtok(NULL," :");
1965         char* topic = strtok(NULL,"\r\n");
1966         topic++;
1967         userrec* u = Find(setby);
1968         chanrec* c = FindChan(channel);
1969         if ((c) && (u))
1970         {
1971                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1972                 strlcpy(c->topic,topic,MAXTOPIC);
1973                 strlcpy(c->setby,u->nick,NICKMAX);
1974                 c->topicset = TIME;
1975         }
1976 }
1977
1978
1979 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1980 {
1981         char* tm = strtok(params," ");
1982         char* setby = strtok(NULL," ");
1983         char* channel = strtok(NULL," :");
1984         char* topic = strtok(NULL,"\r\n");
1985         topic++;
1986         time_t TS = atoi(tm);
1987         chanrec* c = FindChan(channel);
1988         if (c)
1989         {
1990                 // in the case of topics and TS, the *NEWER*
1991                 if (TS <= c->topicset)
1992                 {
1993                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
1994                         strlcpy(c->topic,topic,MAXTOPIC);
1995                         strlcpy(c->setby,setby,NICKMAX);
1996                 }
1997         }
1998 }
1999
2000 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2001 {
2002         char* pars[128];
2003         char original[MAXBUF],target[MAXBUF];
2004         strlcpy(original,params,MAXBUF);
2005         int index = 0;
2006         char* parameter = strtok(params," ");
2007         strlcpy(target,parameter,MAXBUF);
2008         while (parameter)
2009         {
2010                 if (parameter[0] == ':')
2011                         parameter++;
2012                 pars[index++] = parameter;
2013                 parameter = strtok(NULL," ");
2014         }
2015         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
2016         merge_mode(pars,index);
2017         if (FindChan(target))
2018         {
2019                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
2020         }
2021         if (Find(target))
2022         {
2023                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
2024         }
2025 }
2026
2027 // m is modes set by users only (not servers) valid targets are channels or users.
2028
2029 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2030 {
2031         // m blah #chatspike +b *!test@*4
2032         char* pars[128];
2033         char original[MAXBUF];
2034         strlcpy(original,params,MAXBUF);
2035
2036         if (!strchr(params,' '))
2037         {
2038                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
2039                 return;
2040         }
2041
2042         int index = 0;
2043
2044         char* src = strtok(params," ");
2045         userrec* user = Find(src);
2046
2047         if (user)
2048         {
2049                 log(DEBUG,"Found user: %s",user->nick);
2050                 char* parameter = strtok(NULL," ");
2051                 while (parameter)
2052                 {
2053                         pars[index++] = parameter;
2054                         parameter = strtok(NULL," ");
2055                 }
2056
2057                 log(DEBUG,"Calling merge_mode2");
2058                 merge_mode2(pars,index,user);
2059         }
2060 }
2061
2062
2063 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2064 {
2065         char* nick = NULL;
2066         char* channel = NULL;
2067         char* reason = NULL;
2068         log(DEBUG,"L TOKEN PARS: '%s'",params);
2069         if (strstr(params,":#"))
2070         {
2071                 nick = strtok(params," ");
2072                 channel = strtok(NULL,"\r\n");
2073                 channel++;
2074                 reason = "";
2075         }
2076         else
2077         {
2078                 nick = strtok(params," ");
2079                 channel = strtok(NULL," :");
2080                 reason = strtok(NULL,"\r\n");
2081                 reason++;
2082         }
2083         userrec* user = Find(nick);
2084         if ((user) && (channel) && (reason))
2085         {
2086                 if ((!reason) && (*reason != '\0'))
2087                 {
2088                         del_channel(user,channel,reason,true);
2089                 }
2090                 else
2091                 {
2092                         del_channel(user,channel,NULL,true);
2093                 }
2094         }
2095 }
2096
2097 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2098 {
2099         char* src = strtok(params," ");
2100         char* nick = strtok(NULL," :");
2101         char* reason = strtok(NULL,"\r\n");
2102         char kreason[MAXBUF];
2103         reason++;
2104
2105         userrec* u = Find(nick);
2106         userrec* user = Find(src);
2107
2108         if ((user) && (u))
2109         {
2110                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2111                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2112                 snprintf(kreason,MAXBUF,"[%s] Killed (From: '%s' (%s))",source->name,user->nick,reason);
2113                 kill_link(u,kreason);
2114         }
2115 }
2116
2117 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2118 {
2119         char* nick = strtok(params," :");
2120         char* reason = strtok(NULL,"\r\n");
2121         reason++;
2122
2123         userrec* user = Find(nick);
2124
2125         if (user)
2126         {
2127                 if (strlen(reason)>MAXQUIT)
2128                 {
2129                         reason[MAXQUIT-1] = '\0';
2130                 }
2131
2132
2133                 WriteCommonExcept(user,"QUIT :%s",reason);
2134
2135                 user_hash::iterator iter = clientlist.find(user->nick);
2136
2137                 if (iter != clientlist.end())
2138                 {
2139                         log(DEBUG,"deleting user hash value %d",iter->second);
2140                         clientlist.erase(iter);
2141                 }
2142
2143                 if (user->registered == 7)
2144                 {
2145                         purge_empty_chans(user);
2146                 }
2147                 delete user;
2148         }
2149 }
2150
2151 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2152 {
2153         char* oldnick = strtok(params," ");
2154         char* newnick = strtok(NULL," ");
2155
2156         userrec* user = Find(oldnick);
2157
2158         if (user)
2159         {
2160                 if (is_uline(tcp_host))
2161                 {
2162                         int MOD_RESULT = 0;
2163                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2164                         if (MOD_RESULT) {
2165                                 // if a module returns true, the nick change couldnt be allowed
2166                                 kill_link(user,"Nickname collision");
2167                                 return;
2168                         }
2169                         if (matches_qline(newnick))
2170                         {
2171                                 kill_link(user,"Nickname collision");
2172                                 return;
2173                         }
2174
2175                         // broadcast this because its a services thingy
2176                         char buffer[MAXBUF];
2177                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2178                         NetSendToAllExcept(tcp_host,buffer);
2179                 }
2180                 WriteCommon(user,"NICK %s",newnick);
2181                 user = ReHashNick(user->nick, newnick);
2182                 if (!user) return;
2183                 if (!user->nick) return;
2184                 strlcpy(user->nick, newnick,NICKMAX);
2185                 log(DEBUG,"new nick set: %s",user->nick);
2186         }
2187 }
2188
2189 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2190 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2191 {
2192         char* src = strtok(params," ");
2193         char* dest = strtok(NULL," ");
2194         char* channel = strtok(NULL," :");
2195         char* reason = strtok(NULL,"\r\n");
2196         reason++;
2197         userrec* s = Find(src);
2198         userrec* d = Find(dest);
2199         chanrec* c = FindChan(channel);
2200         if ((s) && (d) && (c))
2201         {
2202                 kick_channel(s,d,c,reason);
2203                 return;
2204         }
2205         d = Find(channel);
2206         c = FindChan(dest);
2207         if ((s) && (d) && (c))
2208         {
2209                 kick_channel(s,d,c,reason);
2210                 return;
2211         }
2212 }
2213
2214 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2215 {
2216         char* who = strtok(params," :");
2217         char* text = strtok(NULL,"\r\n");
2218         text++;
2219         userrec* s = Find(who);
2220         if (s)
2221         {
2222                 WriteWallOps(s,true,text);
2223         }
2224 }
2225
2226 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2227 {
2228         log(DEBUG,"Adding ULined server %s to my map",params);
2229         ircd_connector s;
2230         s.SetState(STATE_DISCONNECTED);
2231         s.SetServerName(params);
2232
2233         for (int j = 0; j < 32; j++)
2234         {
2235                 if (me[j] != NULL)
2236                 {
2237                         for (int k = 0; k < me[j]->connectors.size(); k++)
2238                         {
2239                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2240                                 {
2241                                         // dont allow a server to be added twice
2242                                         log(DEBUG,"ULined server %s already in the map!",params);
2243                                         return;
2244                                 }
2245                         }
2246                 }
2247         }
2248
2249         source->connectors.push_back(s);
2250         WriteOpers("Non-Mesh server %s has joined the network",params);
2251 }
2252
2253 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2254 {
2255         char* tm = strtok(params," ");
2256         char* nick = strtok(NULL," ");
2257         char* host = strtok(NULL," ");
2258         char* dhost = strtok(NULL," ");
2259         char* ident = strtok(NULL," ");
2260         char* modes = strtok(NULL," ");
2261         char* ipaddr = strtok(NULL," ");
2262         char* server = strtok(NULL," :");
2263         char* gecos = strtok(NULL,"\r\n");
2264         gecos++;
2265         modes++;
2266         time_t TS = atoi(tm);
2267         user_hash::iterator iter = clientlist.find(nick);
2268         if (iter != clientlist.end())
2269         {
2270                 // nick collision
2271                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2272                 char str[MAXBUF];
2273                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2274                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2275                 kill_link(iter->second,str);
2276         }
2277         clientlist[nick] = new userrec();
2278         // remote users have an fd of -1. This is so that our Write abstraction
2279         // routines know to route any messages to this record away to whatever server
2280         // theyre on.
2281         clientlist[nick]->fd = -1;
2282         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2283         strlcpy(clientlist[nick]->host, host,160);
2284         strlcpy(clientlist[nick]->dhost, dhost,160);
2285         strlcpy(clientlist[nick]->server, server,256);
2286         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2287         strlcpy(clientlist[nick]->fullname, gecos,128);
2288         strlcpy(clientlist[nick]->ip,ipaddr,32);
2289         clientlist[nick]->signon = TS;
2290         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2291         clientlist[nick]->lastping = 1;
2292         clientlist[nick]->port = 0; // so is this...
2293         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2294         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2295         for (int i = 0; i < MAXCHANS; i++)
2296         {
2297                 clientlist[nick]->chans[i].channel = NULL;
2298                 clientlist[nick]->chans[i].uc_modes = 0;
2299         }
2300         FOREACH_MOD OnGlobalConnect(clientlist[nick]);
2301         if (strchr(clientlist[nick]->modes,'o'))
2302         {
2303                 FOREACH_MOD OnGlobalOper(clientlist[nick]);
2304         }
2305 }
2306
2307 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2308 {
2309         long tdiff = TIME - atoi(params);
2310         if (tdiff)
2311                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2312 }
2313
2314 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2315 {
2316         char* nick = strtok(params," :");
2317         char* gecos = strtok(NULL,"\r\n");
2318
2319         userrec* user = Find(nick);
2320
2321         if (user)
2322                 strlcpy(user->fullname,gecos,MAXBUF);
2323 }
2324
2325 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2326 {
2327         char* nick = strtok(params," ");
2328         char* host = strtok(NULL," ");
2329
2330         userrec* user = Find(nick);
2331
2332         if (user)
2333                 strlcpy(user->dhost,host,160);
2334 }
2335
2336 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2337 {
2338         // %s %s %d %d
2339         // + test3.chatspike.net 7010 -2016508415
2340         char* servername = strtok(params," ");
2341         char* ipaddr = strtok(NULL," ");
2342         char* ipport = strtok(NULL," ");
2343         char* cookie = strtok(NULL," ");
2344         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2345
2346
2347         bool conn_already = false;
2348         for (int i = 0; i < 32; i++)
2349         {
2350                 if (me[i] != NULL)
2351                 {
2352                         for (int j = 0; j < me[i]->connectors.size(); j++)
2353                         {
2354                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2355                                 {
2356                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2357                                         {
2358                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2359                                                 conn_already = true;
2360                                         }
2361                                 }
2362                         }
2363                 }
2364         }
2365         if (!conn_already)
2366                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2367 }
2368
2369 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2370 {
2371         char* server = strtok(params," ");
2372         char* data = strtok(NULL,"\r\n");
2373         if ((!data) || (!server))
2374         {
2375                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2376                 return;
2377         }
2378
2379         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2380         NetSendToOne(server,data);
2381 }
2382
2383 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2384 {
2385         // IMPORTANT NOTE
2386         // The J token currently has no timestamp - this needs looking at
2387         // because it will allow splitriding.
2388         char* nick = strtok(params," ");
2389         char* channel = strtok(NULL," ");
2390         userrec* user = Find(nick);
2391         while (channel)
2392         {
2393                 if ((user != NULL) && (strcmp(channel,"")))
2394                 {
2395                         char privilage = '\0';
2396                         if (channel[0] != '#')
2397                         {
2398                                 privilage = channel[0];
2399                                 channel++;
2400                         }
2401                         add_channel(user,channel,"",true);
2402
2403                         // now work out the privilages they should have on each channel
2404                         // and send the appropriate servermodes.
2405                         for (int i = 0; i != MAXCHANS; i++)
2406                         {
2407                                 if (user->chans[i].channel)
2408                                 {
2409                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2410                                         {
2411                                                 if (privilage == '@')
2412                                                 {
2413                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2414                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2415                                                 }
2416                                                 if (privilage == '%')
2417                                                 {
2418                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2419                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2420                                                 }
2421                                                 if (privilage == '+')
2422                                                 {
2423                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2424                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2425                                                 }
2426                                         }
2427                                 }
2428                         }
2429
2430                 }
2431                 channel = strtok(NULL," ");
2432         }
2433 }
2434
2435 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2436 {
2437         log(DEBUG,"Storing routing table...");
2438         char* sourceserver = strtok(params," ");
2439         char* server = strtok(NULL," ");
2440         for (int i = 0; i < 32; i++)
2441         {
2442                 if (me[i] != NULL)
2443                 {
2444                         for (int j = 0; j < me[i]->connectors.size(); j++)
2445                         {
2446                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2447                                 {
2448                                         me[i]->connectors[j].routes.clear();
2449                                         log(DEBUG,"Found entry for source server.");
2450                                         while (server)
2451                                         {
2452                                                 // store each route
2453                                                 me[i]->connectors[j].routes.push_back(server);
2454                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2455                                                 server = strtok(NULL," ");
2456                                         }
2457                                         return;
2458                                 }
2459                         }
2460                 }
2461         }
2462         log(DEBUG,"Warning! routing table received from nonexistent server!");
2463 }
2464
2465 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2466 {
2467         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2468         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2469         bool go_again = true;
2470         while (go_again)
2471         {
2472                 go_again = false;
2473                 for (int i = 0; i < 32; i++)
2474                 {
2475                         if (me[i] != NULL)
2476                         {
2477                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2478                                 {
2479                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2480                                         {
2481                                                 j->routes.clear();
2482                                                 j->CloseConnection();
2483                                                 me[i]->connectors.erase(j);
2484                                                 go_again = true;
2485                                                 break;
2486                                         }
2487                                 }
2488                         }
2489                 }
2490         }
2491         log(DEBUG,"Removed server. Will remove clients...");
2492         // iterate through the userlist and remove all users on this server.
2493         // because we're dealing with a mesh, we dont have to deal with anything
2494         // "down-route" from this server (nice huh)
2495         go_again = true;
2496         char reason[MAXBUF];
2497         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2498         while (go_again)
2499         {
2500                 go_again = false;
2501                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2502                 {
2503                         if (!strcasecmp(u->second->server,params))
2504                         {
2505                                 kill_link(u->second,reason);
2506                                 go_again = true;
2507                                 break;
2508                         }
2509                 }
2510         }
2511 }
2512
2513 unsigned long authcookie;
2514
2515 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2516 {
2517         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2518         log(DEBUG,"Adding G-line");
2519         char* mask = strtok(params," ");
2520         char* who = strtok(NULL," ");
2521         char* create_time = strtok(NULL," ");
2522         char* duration = strtok(NULL," :");
2523         char* reason = strtok(NULL,"\r\n");
2524         reason++;
2525         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2526         // we must update the creation time on this gline
2527         // now that we've added it, or it wont expire at the right time.
2528         gline_set_creation_time(mask,atoi(create_time));
2529         if (!atoi(duration))
2530         {
2531                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2532         }
2533         else
2534         {
2535                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2536         }
2537         apply_lines();
2538 }
2539
2540 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2541 {
2542         log(DEBUG,"Removing G-line");
2543         char* mask = strtok(params," ");
2544         char* who = strtok(NULL," ");
2545         if (mask)
2546         {
2547                 if (del_gline((const char*)mask))
2548                 {
2549                         if (who)
2550                         {
2551                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2552                         }
2553                 }
2554         }
2555 }
2556
2557 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2558 {
2559         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2560         log(DEBUG,"Adding Q-line");
2561         char* mask = strtok(params," ");
2562         char* who = strtok(NULL," ");
2563         char* create_time = strtok(NULL," ");
2564         char* duration = strtok(NULL," :");
2565         char* reason = strtok(NULL,"\r\n");
2566         reason++;
2567         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2568         // we must update the creation time on this gline
2569         // now that we've added it, or it wont expire at the right time.
2570         qline_set_creation_time(mask,atoi(create_time));
2571         qline_make_global(mask);
2572         if (!atoi(duration))
2573         {
2574                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2575         }
2576         else
2577         {
2578                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2579         }
2580         apply_lines();
2581 }
2582
2583 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2584 {
2585         log(DEBUG,"Removing Q-line");
2586         char* mask = strtok(params," ");
2587         char* who = strtok(NULL," ");
2588         if (mask)
2589         {
2590                 if (del_qline((const char*)mask))
2591                 {
2592                         if (who)
2593                         {
2594                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2595                         }
2596                 }
2597         }
2598 }
2599
2600 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2601 {
2602         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2603         log(DEBUG,"Adding Z-line");
2604         char* mask = strtok(params," ");
2605         char* who = strtok(NULL," ");
2606         char* create_time = strtok(NULL," ");
2607         char* duration = strtok(NULL," :");
2608         char* reason = strtok(NULL,"\r\n");
2609         reason++;
2610         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2611         // we must update the creation time on this gline
2612         // now that we've added it, or it wont expire at the right time.
2613         zline_set_creation_time(mask,atoi(create_time));
2614         zline_make_global(mask);
2615         if (!atoi(duration))
2616         {
2617                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2618         }
2619         else
2620         {
2621                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2622         }
2623         apply_lines();
2624 }
2625
2626 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2627 {
2628         log(DEBUG,"Removing Z-line");
2629         char* mask = strtok(params," ");
2630         char* who = strtok(NULL," ");
2631         if (mask)
2632         {
2633                 if (del_zline((const char*)mask))
2634                 {
2635                         if (who)
2636                         {
2637                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2638                         }
2639                 }
2640         }
2641 }
2642
2643 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2644 {
2645         char* nick = strtok(params," ");
2646         char* type = strtok(params," ");
2647         userrec* u = Find(nick);
2648         if (u)
2649         {
2650                 strlcpy(u->oper,type,NICKMAX);
2651         }
2652 }
2653
2654
2655 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2656 {
2657         char buffer[MAXBUF];
2658         int MOD_RESULT = 0;
2659
2660         switch(token)
2661         {
2662                 // Y <TS>
2663                 // start netburst
2664                 case 'Y':
2665                         nb_start = TIME;
2666                         WriteOpers("Server %s is starting netburst.",tcp_host);
2667                         // now broadcast this new servers address out to all servers that are linked to us,
2668                         // except the newcomer. They'll all attempt to connect back to it.
2669                         authcookie = rand()*rand();
2670                         snprintf(buffer,MAXBUF,"~ %lu",(unsigned long)authcookie);
2671                         NetSendToAll(buffer);
2672                 break;
2673                 // ~
2674                 // Store authcookie
2675                 // once stored, this authcookie permits other servers to log in
2676                 // without user or password, using it.
2677                 case '~':
2678                         auth_cookies.push_back(atoi(params));
2679                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2680                 break;
2681                 // connect back to a server using an authcookie
2682                 case '+':
2683                         handle_plus(token,params,source,reply,tcp_host);
2684                 break;
2685                 // routing table
2686                 case '$':
2687                         handle_dollar(token,params,source,reply,tcp_host);
2688                 break;
2689                 // node unreachable - we cant route to a server, sooooo we slit it off.
2690                 // servers can generate these for themselves for an squit.
2691                 case '&':
2692                         handle_amp(token,params,source,reply,tcp_host);
2693                 break;
2694                 // R <server> <data>
2695                 // redirect token, send all of <data> along to the given
2696                 // server as this server has been found to still have a route to it
2697                 case 'R':
2698                         handle_R(token,params,source,reply,tcp_host);
2699                 break;
2700                 // ?
2701                 // ping
2702                 case '?':
2703                         reply->SendPacket("!",tcp_host);
2704                 break;
2705                 // ?
2706                 // pong
2707                 case '!':
2708                 break;
2709                 // *
2710                 // no operation
2711                 case '*':
2712                 break;
2713                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2714                 // introduce remote client
2715                 case 'N':
2716                         handle_N(token,params,source,reply,tcp_host);
2717                 break;
2718                 // a <NICK> :<GECOS>
2719                 // change GECOS (SETNAME)
2720                 case 'a':
2721                         handle_a(token,params,source,reply,tcp_host);
2722                 break;
2723                 // b <NICK> :<HOST>
2724                 // change displayed host (SETHOST)
2725                 case 'b':
2726                         handle_b(token,params,source,reply,tcp_host);
2727                 break;
2728                 // t <NICK> <CHANNEL> :<TOPIC>
2729                 // change a channel topic
2730                 case 't':
2731                         handle_t(token,params,source,reply,tcp_host);
2732                 break;
2733                 // i <NICK> <CHANNEL>
2734                 // invite a user to a channel
2735                 case 'i':
2736                         handle_i(token,params,source,reply,tcp_host);
2737                 break;
2738                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2739                 // kick a user from a channel
2740                 case 'k':
2741                         handle_k(token,params,source,reply,tcp_host);
2742                 break;
2743                 // n <NICK> <NEWNICK>
2744                 // change nickname of client -- a server should only be able to
2745                 // change the nicknames of clients that reside on it unless
2746                 // they are ulined.
2747                 case 'n':
2748                         handle_n(token,params,source,reply,tcp_host);
2749                 break;
2750                 // J <NICK> <CHANLIST>
2751                 // Join user to channel list, merge channel permissions
2752                 case 'J':
2753                         handle_J(token,params,source,reply,tcp_host);
2754                 break;
2755                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2756                 // change channel topic (netburst only)
2757                 case 'T':
2758                         handle_T(token,params,source,reply,tcp_host);
2759                 break;
2760                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2761                 // Server setting modes on an object
2762                 case 'M':
2763                         handle_M(token,params,source,reply,tcp_host);
2764                 break;
2765                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2766                 // User setting modes on an object
2767                 case 'm':
2768                         handle_m(token,params,source,reply,tcp_host);
2769                 break;
2770                 // P <SOURCE> <TARGET> :<TEXT>
2771                 // Send a private/channel message
2772                 case 'P':
2773                         handle_P(token,params,source,reply,tcp_host);
2774                 break;
2775                 // V <SOURCE> <TARGET> :<TEXT>
2776                 // Send a private/channel notice
2777                 case 'V':
2778                         handle_V(token,params,source,reply,tcp_host);
2779                 break;
2780                 // v <servername> <arbitary version string>
2781                 case 'v':
2782                         handle_v(token,params,source,reply,tcp_host);
2783                 break;
2784                 // L <SOURCE> <CHANNEL> :<REASON>
2785                 // User parting a channel
2786                 case 'L':
2787                         handle_L(token,params,source,reply,tcp_host);
2788                 break;
2789                 // Q <SOURCE> :<REASON>
2790                 // user quitting
2791                 case 'Q':
2792                         handle_Q(token,params,source,reply,tcp_host);
2793                 break;
2794                 // H <SERVER>
2795                 // introduce non-meshable server (such as a services server)
2796                 case 'H':
2797                         handle_H(token,params,source,reply,tcp_host);
2798                 break;
2799                 // K <SOURCE> <DEST> :<REASON>
2800                 // remote kill
2801                 case 'K':
2802                         handle_K(token,params,source,reply,tcp_host);
2803                 break;
2804                 // @ <SOURCE> :<TEXT>
2805                 // wallops
2806                 case '@':
2807                         handle_AT(token,params,source,reply,tcp_host);
2808                 break;
2809                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2810                 // add gline
2811                 case '#':
2812                         handle_hash(token,params,source,reply,tcp_host);
2813                 break;
2814                 // . <mask> <who>
2815                 // remove gline
2816                 case '.':
2817                         handle_dot(token,params,source,reply,tcp_host);
2818                 break;
2819                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2820                 // add gline
2821                 case '{':
2822                         handle_add_sqline(token,params,source,reply,tcp_host);
2823                 break;
2824                 // . <mask> <who>
2825                 // remove gline
2826                 case '[':
2827                         handle_del_sqline(token,params,source,reply,tcp_host);
2828                 break;
2829                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2830                 // add gline
2831                 case '}':
2832                         handle_add_szline(token,params,source,reply,tcp_host);
2833                 break;
2834                 // . <mask> <who>
2835                 // remove gline
2836                 case ']':
2837                         handle_del_szline(token,params,source,reply,tcp_host);
2838                 break;
2839                 // | <nick> <opertype>
2840                 // set opertype
2841                 case '|':
2842                         handle_pipe(token,params,source,reply,tcp_host);
2843                 break;
2844                 // F <TS>
2845                 // end netburst
2846                 case 'F':
2847                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2848                         handle_F(token,params,source,reply,tcp_host);
2849                         nb_start = 0;
2850                         // tell all the other servers to use this authcookie to connect back again
2851                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2852                         snprintf(buffer,MAXBUF,"+ %s %s %d %lu",tcp_host,ipaddr,port,(unsigned long)authcookie);
2853                         NetSendToAllExcept(tcp_host,buffer);
2854                 break;
2855                 case '/':
2856                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2857                         strlcpy(source->nickserv,params,NICKMAX);
2858                 break;
2859                 // F <TS>
2860                 // end netburst with no mesh creation
2861                 case 'f':
2862                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2863                         handle_F(token,params,source,reply,tcp_host);
2864                         nb_start = 0;
2865                         // tell everyone else about the new server name so they just add it in the disconnected
2866                         // state
2867                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2868                         NetSendToAllExcept(tcp_host,buffer);
2869                 break;
2870                 // X <reserved>
2871                 // Send netburst now
2872                 case 'X':
2873                         WriteOpers("Sending my netburst to %s",tcp_host);
2874                         DoSync(source,tcp_host);
2875                         WriteOpers("Send of netburst to %s completed",tcp_host);
2876                         NetSendMyRoutingTable();
2877                 break;
2878                 // anything else
2879                 default:
2880                         MOD_RESULT = 0;
2881                         string_list s;
2882                         char* data = strtok(params," ");
2883                         while (data)
2884                         {
2885                                 if (*data == ':')
2886                                 {
2887                                         // the last item is a special case
2888                                         data++;
2889                                         char datalast[MAXBUF];
2890                                         strlcpy(datalast,data,MAXBUF);
2891                                         data = strtok(NULL," ");
2892                                         while (data)
2893                                         {
2894                                                 strlcpy(datalast," ",MAXBUF);
2895                                                 strlcpy(datalast,data,MAXBUF);
2896                                                 data = strtok(NULL," ");
2897                                         }
2898                                         s.push_back(data);
2899                                         break;
2900                                 }
2901                                 s.push_back(data);
2902                                 data = strtok(NULL," ");
2903                         }
2904                         FOREACH_RESULT(OnMeshToken(token,s,source,reply,tcp_host,ipaddr,port));
2905                         if (!MOD_RESULT)
2906                                 WriteOpers("WARNING! Unknown datagram type '%c'",token);
2907                 break;
2908         }
2909 }
2910
2911
2912 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2913 {
2914         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)) || (!strncmp(udp_msg,"PASS ",5)) || (!strncmp(udp_msg,"SERVER ",7)))
2915         {
2916                 // a user on a server port, just close their connection.
2917                 RemoveServer(tcp_host);
2918                 return;
2919         }
2920
2921         char response[10240];
2922         char token = udp_msg[0];
2923         char* old = udp_msg;
2924
2925         if ((token != ':') && (strlen(udp_msg)>1) && (udp_msg[1] != ' '))
2926         {
2927                 WriteOpers("*** Discarded %d chars illegal data from %s",strlen(udp_msg),tcp_host);
2928         }
2929
2930         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2931         {
2932                 char* src = udp_msg+1;
2933                 while (udp_msg[0] != ' ')
2934                         udp_msg++;
2935                 udp_msg[0] = 0;
2936                 udp_msg++;
2937                 char* comd = udp_msg;
2938                 while (udp_msg[0] != ' ')
2939                         udp_msg++;
2940                 udp_msg[0] = 0;
2941                 udp_msg++;
2942                 char data[MAXBUF];
2943                 char source[MAXBUF];
2944                 char command[MAXBUF];
2945                 strlcpy(data,udp_msg,512);
2946                 strlcpy(source,src,MAXBUF);
2947                 strlcpy(command,comd,MAXBUF);
2948                 udp_msg = old;
2949
2950                 // unused numeric:
2951                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2952                 if (!strcmp(command,"433"))
2953                 {
2954                         token = '*';
2955                 }
2956                 if (!strcmp(command,"432"))
2957                 {
2958                         token = '*';
2959                 }
2960                 if (!strcmp(command,"PING"))
2961                 {
2962                         token = '*';
2963                 }
2964                 if (!strcmp(command,"NOTICE"))
2965                 {
2966                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2967                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2968                         token = udp_msg[0];
2969                 }
2970                 if (!strcmp(command,"QUIT"))
2971                 {
2972                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2973                         {
2974                                 strcpy(data,":No reason");
2975                         }
2976                         if (!strcmp(data,":"))
2977                         {
2978                                 strcpy(data,":No reason");
2979                         }
2980                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2981                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2982                         token = udp_msg[0];
2983                 }
2984                 if (!strcmp(command,"SQUIT"))
2985                 {
2986                         snprintf(udp_msg,MAXBUF,"& %s",source);
2987                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
2988                         token = udp_msg[0];
2989                 }
2990                 if (!strcmp(command,"SVSMODE"))
2991                 {
2992                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2993                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
2994                         token = udp_msg[0];
2995                 }
2996                 if (!strcmp(command,"SVS2MODE"))
2997                 {
2998                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
2999                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
3000                         token = udp_msg[0];
3001                 }
3002                 // todo: this wont work without u:lines
3003                 // in give_ops etc allow nick on a u:lined serv to do just about anything
3004                 if (!strcmp(command,"MODE"))
3005                 {
3006                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3007                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
3008                         token = udp_msg[0];
3009                 }
3010                 if (!strcmp(command,"KICK"))
3011                 {
3012                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
3013                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
3014                         token = udp_msg[0];
3015                 }
3016                 if (!strcmp(command,"KILL"))
3017                 {
3018                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
3019                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
3020                         token = udp_msg[0];
3021                 }
3022                 if (!strcmp(command,"SVSJOIN"))
3023                 {
3024                         snprintf(udp_msg,MAXBUF,"J %s",data);
3025                         NetSendToOne(tcp_host,udp_msg);
3026                         char* nick = strtok(data," ");
3027                         char* chan = strtok(NULL," ");
3028                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
3029                         userrec* u = Find(nick);
3030                         if (u)
3031                         {
3032                                 add_channel(u,chan,"",true);
3033                         }
3034                         token = udp_msg[0];
3035                 }
3036
3037         }
3038
3039         char* params = udp_msg + 2;
3040         char finalparam[1024];
3041         strcpy(finalparam," :xxxx");
3042         if (strstr(udp_msg," :")) {
3043                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
3044         }
3045
3046
3047         if (token == '-') {
3048                 char* cookie = strtok(params," ");
3049                 char* servername = strtok(NULL," ");
3050                 char* serverdesc = finalparam+2;
3051
3052                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
3053
3054                 for (int u = 0; u < auth_cookies.size(); u++)
3055                 {
3056                         if (auth_cookies[u] == atoi(cookie))
3057                         {
3058                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
3059
3060
3061                                 for (int j = 0; j < 32; j++)
3062                                 {
3063                                         if (me[j] != NULL)
3064                                         {
3065                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3066                                                 {
3067                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3068                                                         {
3069                                                                 me[j]->connectors[k].SetServerName(servername);
3070                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3071                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3072                                                                 NetSendMyRoutingTable();
3073                                                                 return;
3074                                                         }
3075                                                 }
3076                                         }
3077                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
3078                                         return;
3079                                 }
3080
3081
3082                                 return;
3083                         }
3084                 }
3085                 // bad cookie, bad bad! go sit in the corner!
3086                 WriteOpers("Bad cookie from %s!",servername);
3087                 return;
3088         }
3089         else
3090         if (token == 'S') {
3091                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
3092                 char* servername = strtok(params," ");
3093                 char* password = strtok(NULL," ");
3094                 char* myport = strtok(NULL," ");
3095                 char* revision = strtok(NULL," ");
3096                 char* serverdesc = finalparam+2;
3097
3098                 password = password;
3099
3100                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
3101
3102                 ircd_connector* cn = serv->FindHost(servername);
3103
3104                 if (cn)
3105                 {
3106                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
3107                         char buffer[MAXBUF];
3108                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
3109                         serv->SendPacket(buffer,tcp_host);
3110                         RemoveServer(tcp_host);
3111                         return;
3112                 }
3113
3114                 if (atoi(revision) != GetRevision())
3115                 {
3116                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
3117                         char buffer[MAXBUF];
3118                         sprintf(buffer,"E :Version number mismatch");
3119                         serv->SendPacket(buffer,tcp_host);
3120                         RemoveServer(tcp_host);
3121                         RemoveServer(servername);
3122                         return;
3123                 }
3124
3125                 for (int j = 0; j < serv->connectors.size(); j++)
3126                 {
3127                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
3128                         {
3129                                 serv->connectors[j].SetServerName(servername);
3130                                 serv->connectors[j].SetDescription(serverdesc);
3131                                 serv->connectors[j].SetServerPort(atoi(myport));
3132                         }
3133                 }
3134
3135
3136                 char Link_ServerName[1024];
3137                 char Link_IPAddr[1024];
3138                 char Link_Port[1024];
3139                 char Link_Pass[1024];
3140                 char Link_SendPass[1024];
3141                 int LinkPort = 0;
3142
3143                 // search for a corresponding <link> block in the config files
3144                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3145                 {
3146                         ConfValue("link","name",i,Link_ServerName,&config_f);
3147                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3148                         ConfValue("link","port",i,Link_Port,&config_f);
3149                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3150                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3151                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3152                         LinkPort = atoi(Link_Port);
3153                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3154                         {
3155                                 // we have a matching link line -
3156                                 // send a 'diminutive' server message back...
3157                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3158                                 serv->SendPacket(response,servername);
3159
3160                                 for (int t = 0; t < serv->connectors.size(); t++)
3161                                 {
3162                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3163                                         {
3164                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3165                                         }
3166                                 }
3167
3168                                 return;
3169                         }
3170                 }
3171                 char buffer[MAXBUF];
3172                 sprintf(buffer,"E :Access is denied (no matching link block)");
3173                 serv->SendPacket(buffer,tcp_host);
3174                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3175                 RemoveServer(tcp_host);
3176                 RemoveServer(servername);
3177                 return;
3178         }
3179         else
3180         if (token == 's') {
3181                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3182                 char* servername = strtok(params," ");
3183                 char* password = strtok(NULL," ");
3184                 char* serverdesc = finalparam+2;
3185
3186                 password = password;
3187
3188                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3189                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3190                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3191                 // a connect, so put out an oper alert!
3192
3193                 // for now, just accept all, we'll fix that later.
3194                 WriteOpers("%s accepted our link credentials ",servername);
3195
3196                 char Link_ServerName[1024];
3197                 char Link_IPAddr[1024];
3198                 char Link_Port[1024];
3199                 char Link_Pass[1024];
3200                 char Link_SendPass[1024];
3201                 int LinkPort = 0;
3202
3203                 // search for a corresponding <link> block in the config files
3204                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3205                 {
3206                         ConfValue("link","name",i,Link_ServerName,&config_f);
3207                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3208                         ConfValue("link","port",i,Link_Port,&config_f);
3209                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3210                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3211                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3212                         LinkPort = atoi(Link_Port);
3213                         if (!strcasecmp(Link_ServerName,servername))
3214                         {
3215                                 // matching link at this end too, we're all done!
3216                                 // at this point we must begin key exchange and insert this
3217                                 // server into our 'active' table.
3218                                 for (int j = 0; j < 32; j++)
3219                                 {
3220                                         if (me[j] != NULL)
3221                                         {
3222                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3223                                                 {
3224                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3225                                                         {
3226                                                                 char buffer[MAXBUF];
3227                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3228                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3229                                                                 sprintf(buffer,"X 0");
3230                                                                 serv->SendPacket(buffer,tcp_host);
3231                                                                 DoSync(me[j],tcp_host);
3232                                                                 NetSendMyRoutingTable();
3233                                                                 return;
3234                                                         }
3235                                                 }
3236                                         }
3237                                 }
3238                         }
3239                         else {
3240                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3241                         }
3242                 }
3243                 char buffer[MAXBUF];
3244                 sprintf(buffer,"E :Access is denied (no matching link block)");
3245                 serv->SendPacket(buffer,tcp_host);
3246                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3247                 RemoveServer(tcp_host);
3248                 RemoveServer(servername);
3249                 return;
3250         }
3251         else
3252         if (token == 'U') {
3253                 // U services.chatspike.net password :ChatSpike Services
3254                 //
3255                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3256                 char* servername = strtok(params," ");
3257                 char* password = strtok(NULL," ");
3258                 char* serverdesc = finalparam+2;
3259
3260                 char Link_ServerName[1024];
3261                 char Link_IPAddr[1024];
3262                 char Link_Port[1024];
3263                 char Link_Pass[1024];
3264                 char Link_SendPass[1024];
3265                 int LinkPort = 0;
3266
3267                 log(DEBUG,"U-token linked server detected.\n\nservername='%s' password='%s'\n\n",servername,password);
3268
3269
3270                 for (int j = 0; j < 32; j++)
3271                 {
3272                         if (me[j] != NULL)
3273                         {
3274                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3275                                 {
3276                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
3277                                         {
3278                                                 char buffer[MAXBUF];
3279                                                 sprintf(buffer,"E :Access is denied (Server exists in the mesh)");
3280                                                 serv->SendPacket(buffer,tcp_host);
3281                                                 WriteOpers("CONNECT from %s denied, \"%s\" already exists!",tcp_host,servername);
3282                                                 RemoveServer(tcp_host);
3283                                                 return;
3284                                         }
3285                                 }
3286                         }
3287                 }
3288
3289                 // search for a corresponding <link> block in the config files
3290                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3291                 {
3292                         ConfValue("link","name",i,Link_ServerName,&config_f);
3293                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3294                         ConfValue("link","port",i,Link_Port,&config_f);
3295                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3296                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3297                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3298                         LinkPort = atoi(Link_Port);
3299                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3300                         {
3301                                 // matching link at this end too, we're all done!
3302                                 // at this point we must begin key exchange and insert this
3303                                 // server into our 'active' table.
3304                                 for (int j = 0; j < 32; j++)
3305                                 {
3306                                         if (me[j] != NULL)
3307                                         {
3308                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3309                                                 {
3310                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3311                                                         {
3312                                                                 char buffer[MAXBUF];
3313                                                                 log(DEBUG,"Found matching link block");
3314                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3315                                                                 me[j]->connectors[k].SetServerName(servername);
3316                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3317                                                                 sprintf(buffer,"X 0");
3318                                                                 serv->SendPacket(buffer,servername);
3319                                                                 sprintf(buffer,"s %s %s %lu :%s",ServerName,Link_SendPass,LinkPort,ServerDesc);
3320                                                                 serv->SendPacket(buffer,servername);
3321                                                                 DoSync(me[j],servername);
3322                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3323                                                                 NetSendToAllExcept(servername,buffer);
3324                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3325                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3326                                                                 NetSendMyRoutingTable();
3327                                                                 return;
3328                                                         }
3329                                                 }
3330                                         }
3331                                 }
3332                         }
3333                         else {
3334                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3335                         }
3336                 }
3337                 log(DEBUG,"No matching link block found");
3338                 char buffer[MAXBUF];
3339                 sprintf(buffer,"E :Access is denied (no matching link block)");
3340                 serv->SendPacket(buffer,tcp_host);
3341                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3342                 RemoveServer(tcp_host);
3343                 RemoveServer(servername);
3344                 return;
3345         }
3346         else
3347         if (token == 'E') {
3348                 char* error_message = finalparam+2;
3349                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3350                 return;
3351         }
3352         else {
3353                 for (int j = 0; j < 32; j++)
3354                 {
3355                         if (me[j] != NULL)
3356                         {
3357                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3358                                 {
3359                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3360                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3361                                         {
3362                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3363                                                 {
3364                                                         // found a valid ircd_connector.
3365                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3366                                                         return;
3367                                                 }
3368                                         }
3369                                 }
3370                         }
3371                 }
3372
3373                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3374         }
3375 }
3376
3377 long duration(const char* str)
3378 {
3379         char n_field[MAXBUF];
3380         long total = 0;
3381         const char* str_end = str + strlen(str);
3382         n_field[0] = 0;
3383
3384         for (char* i = (char*)str; i < str_end; i++)
3385         {
3386                 // if we have digits, build up a string for the value in n_field,
3387                 // up to 10 digits in size.
3388                 if ((*i >= '0') && (*i <= '9'))
3389                 {
3390                         strlcat(n_field,i,10);
3391                 }
3392                 else
3393                 {
3394                         // we dont have a digit, check for numeric tokens
3395                         switch (tolower(*i))
3396                         {
3397                                 case 's':
3398                                         total += atoi(n_field);
3399                                 break;
3400
3401                                 case 'm':
3402                                         total += (atoi(n_field)*duration_m);
3403                                 break;
3404
3405                                 case 'h':
3406                                         total += (atoi(n_field)*duration_h);
3407                                 break;
3408
3409                                 case 'd':
3410                                         total += (atoi(n_field)*duration_d);
3411                                 break;
3412
3413                                 case 'w':
3414                                         total += (atoi(n_field)*duration_w);
3415                                 break;
3416
3417                                 case 'y':
3418                                         total += (atoi(n_field)*duration_y);
3419                                 break;
3420                         }
3421                         n_field[0] = 0;
3422                 }
3423         }
3424         // add trailing seconds
3425         total += atoi(n_field);
3426
3427         return total;
3428 }
3429
3430
3431 void handle_kline(char **parameters, int pcnt, userrec *user)
3432 {
3433         if (pcnt >= 3)
3434         {
3435                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3436                 if (!duration(parameters[1]))
3437                 {
3438                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3439                 }
3440                 else
3441                 {
3442                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3443                 }
3444         }
3445         else
3446         {
3447                 if (del_kline(parameters[0]))
3448                 {
3449                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3450                 }
3451                 else
3452                 {
3453                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3454                 }
3455         }
3456         apply_lines();
3457 }
3458
3459 void handle_eline(char **parameters, int pcnt, userrec *user)
3460 {
3461         if (pcnt >= 3)
3462         {
3463                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3464                 if (!duration(parameters[1]))
3465                 {
3466                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3467                 }
3468                 else
3469                 {
3470                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3471                 }
3472         }
3473         else
3474         {
3475                 if (del_eline(parameters[0]))
3476                 {
3477                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3478                 }
3479                 else
3480                 {
3481                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3482                 }
3483         }
3484         // no need to apply the lines for an eline
3485 }
3486
3487 void handle_gline(char **parameters, int pcnt, userrec *user)
3488 {
3489         char netdata[MAXBUF];
3490         if (pcnt >= 3)
3491         {
3492                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3493                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3494                 snprintf(netdata,MAXBUF,"# %s %s %lu %lu :%s",parameters[0],user->nick,(unsigned long)TIME,(unsigned long)duration(parameters[1]),parameters[2]);
3495                 NetSendToAll(netdata);
3496                 if (!duration(parameters[1]))
3497                 {
3498                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3499                 }
3500                 else
3501                 {
3502                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3503                 }
3504         }
3505         else
3506         {
3507                 if (del_gline(parameters[0]))
3508                 {
3509                         // . <mask> <who-removed-it>
3510                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3511                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3512                 }
3513                 else
3514                 {
3515                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3516                 }
3517         }
3518         apply_lines();
3519 }
3520
3521 void handle_zline(char **parameters, int pcnt, userrec *user)
3522 {
3523         if (pcnt >= 3)
3524         {
3525                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3526                 if (!duration(parameters[1]))
3527                 {
3528                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3529                 }
3530                 else
3531                 {
3532                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3533                 }
3534         }
3535         else
3536         {
3537                 if (del_zline(parameters[0]))
3538                 {
3539                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3540                 }
3541                 else
3542                 {
3543                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3544                 }
3545         }
3546         apply_lines();
3547 }
3548
3549 void handle_qline(char **parameters, int pcnt, userrec *user)
3550 {
3551         if (pcnt >= 3)
3552         {
3553                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3554                 if (!duration(parameters[1]))
3555                 {
3556                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3557                 }
3558                 else
3559                 {
3560                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3561                 }
3562         }
3563         else
3564         {
3565                 if (del_qline(parameters[0]))
3566                 {
3567                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3568                 }
3569                 else
3570                 {
3571                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3572                 }
3573         }
3574         apply_lines();
3575 }
3576
3577