src/commands.cpp

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