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