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