src/commands.cpp

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