src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd.h"
  18 #include "inspircd_io.h"
  19 #include "inspircd_util.h"
  20 #include "inspircd_config.h"
  21 #include <unistd.h>
  22 #include <fcntl.h>
  23 #include <sys/errno.h>
  24 #include <sys/ioctl.h>
  25 #include <sys/utsname.h>
  26 #include <cstdio>
  27 #include <time.h>
  28 #include <string>
  29 #ifdef GCC3
  30 #include <ext/hash_map>
  31 #else
  32 #include <hash_map>
  33 #endif
  34 #include <map>
  35 #include <sstream>
  36 #include <vector>
  37 #include <errno.h>
  38 #include <deque>
  39 #include <errno.h>
  40 #include <unistd.h>
  41 #include <sched.h>
  42 #include "connection.h"
  43 #include "users.h"
  44 #include "servers.h"
  45 #include "ctables.h"
  46 #include "globals.h"
  47 #include "modules.h"
  48 #include "dynamic.h"
  49 #include "wildcard.h"
  50 #include "message.h"
  51 #include "mode.h"
  52 #include "xline.h"
  53 #include "inspstring.h"
  54 #include "dnsqueue.h"
  55
  56 #ifdef GCC3
  57 #define nspace __gnu_cxx
  58 #else
  59 #define nspace std
  60 #endif
  61
  62 using namespace std;
  63
  64 extern int MODCOUNT;
  65 extern std::vector<Module*> modules;
  66 extern std::vector<ircd_module*> factory;
  67
  68 extern int LogLevel;
  69 extern char ServerName[MAXBUF];
  70 extern char Network[MAXBUF];
  71 extern char ServerDesc[MAXBUF];
  72 extern char AdminName[MAXBUF];
  73 extern char AdminEmail[MAXBUF];
  74 extern char AdminNick[MAXBUF];
  75 extern char diepass[MAXBUF];
  76 extern char restartpass[MAXBUF];
  77 extern char motd[MAXBUF];
  78 extern char rules[MAXBUF];
  79 extern char list[MAXBUF];
  80 extern char PrefixQuit[MAXBUF];
  81 extern char DieValue[MAXBUF];
  82
  83 extern int debugging;
  84 extern int WHOWAS_STALE;
  85 extern int WHOWAS_MAX;
  86 extern int DieDelay;
  87 extern time_t startup_time;
  88 extern int NetBufferSize;
  89 extern int MaxWhoResults;
  90 extern time_t nb_start;
  91
  92 extern bool nofork;
  93
  94 extern time_t TIME;
  95
  96 extern std::vector<std::string> module_names;
  97
  98 extern char MyExecutable[1024];
  99 extern int boundPortCount;
 100 extern int portCount;
 101 extern int UDPportCount;
 102 extern int ports[MAXSOCKS];
 103 extern int defaultRoute;
 104
 105 extern std::vector<long> auth_cookies;
 106 extern std::stringstream config_f;
 107
 108 extern serverrec* me[32];
 109
 110 extern FILE *log_file;
 111
 112 extern ClassVector Classes;
 113
 114 const long duration_m = 60;
 115 const long duration_h = duration_m * 60;
 116 const long duration_d = duration_h * 24;
 117 const long duration_w = duration_d * 7;
 118 const long duration_y = duration_w * 52;
 119
 120 namespace nspace
 121 {
 122 #ifdef GCC34
 123         template<> struct hash<in_addr>
 124 #else
 125         template<> struct nspace::hash<in_addr>
 126 #endif
 127         {
 128                 size_t operator()(const struct in_addr &a) const
 129                 {
 130                         size_t q;
 131                         memcpy(&q,&a,sizeof(size_t));
 132                         return q;
 133                 }
 134         };
 135 #ifdef GCC34
 136         template<> struct hash<string>
 137 #else
 138         template<> struct nspace::hash<string>
 139 #endif
 140         {
 141                 size_t operator()(const string &s) const
 142                 {
 143                         char a[MAXBUF];
 144                         static struct hash<const char *> strhash;
 145                         strlcpy(a,s.c_str(),MAXBUF);
 146                         strlower(a);
 147                         return strhash(a);
 148                 }
 149         };
 150 }
 151
 152
 153 struct StrHashComp
 154 {
 155
 156         bool operator()(const string& s1, const string& s2) const
 157         {
 158                 char a[MAXBUF],b[MAXBUF];
 159                 strlcpy(a,s1.c_str(),MAXBUF);
 160                 strlcpy(b,s2.c_str(),MAXBUF);
 161                 strlower(a);
 162                 strlower(b);
 163                 return (strcasecmp(a,b) == 0);
 164         }
 165
 166 };
 167
 168 struct InAddr_HashComp
 169 {
 170
 171         bool operator()(const in_addr &s1, const in_addr &s2) const
 172         {
 173                 size_t q;
 174                 size_t p;
 175
 176                 memcpy(&q,&s1,sizeof(size_t));
 177                 memcpy(&p,&s2,sizeof(size_t));
 178
 179                 return (q == p);
 180         }
 181
 182 };
 183
 184
 185 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
 186 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
 187 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
 188 typedef std::deque<command_t> command_table;
 189
 190
 191 extern user_hash clientlist;
 192 extern chan_hash chanlist;
 193 extern user_hash whowas;
 194 extern command_table cmdlist;
 195 extern file_cache MOTD;
 196 extern file_cache RULES;
 197 extern address_cache IP;
 198
 199 extern std::vector<userrec*> all_opers;
 200
 201 // This table references users by file descriptor.
 202 // its an array to make it VERY fast, as all lookups are referenced
 203 // by an integer, meaning there is no need for a scan/search operation.
 204 extern userrec* fd_ref_table[65536];
 205
 206 extern int statsAccept,statsRefused,statsUnknown,statsCollisions,statsDns,statsDnsGood,statsDnsBad,statsConnects,statsSent,statsRecv;
 207
 208
 209 void handle_join(char **parameters, int pcnt, userrec *user)
 210 {
 211         chanrec* Ptr;
 212
 213         if (loop_call(handle_join,parameters,pcnt,user,0,0,1))
 214                 return;
 215         if (parameters[0][0] == '#')
 216         {
 217                 Ptr = add_channel(user,parameters[0],parameters[1],false);
 218         }
 219 }
 220
 221
 222 void handle_part(char **parameters, int pcnt, userrec *user)
 223 {
 224         if (pcnt > 1)
 225         {
 226                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-2,0))
 227                         return;
 228                 del_channel(user,parameters[0],parameters[1],false);
 229         }
 230         else
 231         {
 232                 if (loop_call(handle_part,parameters,pcnt,user,0,pcnt-1,0))
 233                         return;
 234                 del_channel(user,parameters[0],NULL,false);
 235         }
 236 }
 237
 238 void handle_kick(char **parameters, int pcnt, userrec *user)
 239 {
 240         chanrec* Ptr = FindChan(parameters[0]);
 241         userrec* u   = Find(parameters[1]);
 242
 243         if ((!u) || (!Ptr))
 244         {
 245                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 246                 return;
 247         }
 248
 249         if (!has_channel(user,Ptr))
 250         {
 251                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, parameters[0]);
 252                 return;
 253         }
 254
 255         char reason[MAXBUF];
 256
 257         if (pcnt > 2)
 258         {
 259                 strlcpy(reason,parameters[2],MAXBUF);
 260                 if (strlen(reason)>MAXKICK)
 261                 {
 262                         reason[MAXKICK-1] = '\0';
 263                 }
 264
 265                 kick_channel(user,u,Ptr,reason);
 266         }
 267         else
 268         {
 269                 strlcpy(reason,user->nick,MAXBUF);
 270                 kick_channel(user,u,Ptr,reason);
 271         }
 272
 273         // this must be propogated so that channel membership is kept in step network-wide
 274         char buffer[MAXBUF];
 275         snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
 276         NetSendToAll(buffer);
 277 }
 278
 279 void handle_loadmodule(char **parameters, int pcnt, userrec *user)
 280 {
 281         if (LoadModule(parameters[0]))
 282         {
 283                 WriteOpers("*** NEW MODULE: %s",parameters[0]);
 284                 WriteServ(user->fd,"975 %s %s :Module successfully loaded.",user->nick, parameters[0]);
 285         }
 286         else
 287         {
 288                 WriteServ(user->fd,"974 %s %s :Failed to load module: %s",user->nick, parameters[0],ModuleError());
 289         }
 290 }
 291
 292 void handle_unloadmodule(char **parameters, int pcnt, userrec *user)
 293 {
 294         if (UnloadModule(parameters[0]))
 295         {
 296                 WriteOpers("*** MODULE UNLOADED: %s",parameters[0]);
 297                 WriteServ(user->fd,"973 %s %s :Module successfully unloaded.",user->nick, parameters[0]);
 298         }
 299         else
 300         {
 301                 WriteServ(user->fd,"972 %s %s :Failed to unload module: %s",user->nick, parameters[0],ModuleError());
 302         }
 303 }
 304
 305 void handle_die(char **parameters, int pcnt, userrec *user)
 306 {
 307         log(DEBUG,"die: %s",user->nick);
 308         if (!strcmp(parameters[0],diepass))
 309         {
 310                 WriteOpers("*** DIE command from %s!%s@%s, terminating...",user->nick,user->ident,user->host);
 311                 sleep(DieDelay);
 312                 Exit(ERROR);
 313         }
 314         else
 315         {
 316                 WriteOpers("*** Failed DIE Command from %s!%s@%s.",user->nick,user->ident,user->host);
 317         }
 318 }
 319
 320 void handle_restart(char **parameters, int pcnt, userrec *user)
 321 {
 322         char *argv[32];
 323         log(DEFAULT,"Restart: %s",user->nick);
 324         if (!strcmp(parameters[0],restartpass))
 325         {
 326                 WriteOpers("*** RESTART command from %s!%s@%s, restarting server.",user->nick,user->ident,user->host);
 327
 328                 argv[0] = MyExecutable;
 329                 argv[1] = "-wait";
 330                 if (nofork)
 331                 {
 332                         argv[2] = "-nofork";
 333                 }
 334                 else
 335                 {
 336                         argv[2] = NULL;
 337                 }
 338                 argv[3] = NULL;
 339
 340                 // close ALL file descriptors
 341                 send_error("Server restarting.");
 342                 sleep(1);
 343                 for (int i = 0; i < 65536; i++)
 344                 {
 345                         int on = 1;
 346                         struct linger linger = { 0 };
 347                         setsockopt(i, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
 348                         linger.l_onoff = 1;
 349                         linger.l_linger = 1;
 350                         setsockopt(i, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
 351                         Blocking(i);
 352                         close(i);
 353                 }
 354                 sleep(2);
 355
 356                 execv(MyExecutable,argv);
 357
 358                 exit(0);
 359         }
 360         else
 361         {
 362                 WriteOpers("*** Failed RESTART Command from %s!%s@%s.",user->nick,user->ident,user->host);
 363         }
 364 }
 365
 366 void handle_kill(char **parameters, int pcnt, userrec *user)
 367 {
 368         userrec *u = Find(parameters[0]);
 369         char killreason[MAXBUF];
 370
 371         log(DEBUG,"kill: %s %s",parameters[0],parameters[1]);
 372         if (u)
 373         {
 374                 log(DEBUG,"into kill mechanism");
 375                 int MOD_RESULT = 0;
 376                 FOREACH_RESULT(OnKill(user,u,parameters[1]));
 377                 if (MOD_RESULT) {
 378                         log(DEBUG,"A module prevented the kill with result %d",MOD_RESULT);
 379                         return;
 380                 }
 381
 382                 if (strcmp(ServerName,u->server))
 383                 {
 384                         // remote kill
 385                         WriteOpers("*** Remote kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 386                         snprintf(killreason,MAXBUF,"[%s] Killed (%s (%s))",ServerName,user->nick,parameters[1]);
 387                         WriteCommonExcept(u,"QUIT :%s",killreason);
 388                         // K token must go to ALL servers!!!
 389                         char buffer[MAXBUF];
 390                         snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
 391                         NetSendToAll(buffer);
 392
 393                         user_hash::iterator iter = clientlist.find(u->nick);
 394                         if (iter != clientlist.end())
 395                         {
 396                                 log(DEBUG,"deleting user hash value %d",iter->second);
 397                                 clientlist.erase(iter);
 398                         }
 399                         if (u->registered == 7)
 400                         {
 401                                 purge_empty_chans(u);
 402                         }
 403                         if (u->fd > -1)
 404                                 fd_ref_table[u->fd] = NULL;
 405                         delete u;
 406                 }
 407                 else
 408                 {
 409                         // local kill
 410                         log(DEFAULT,"LOCAL KILL: %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 411                         WriteTo(user, u, "KILL %s :%s!%s!%s (%s)", u->nick, ServerName,user->dhost,user->nick,parameters[1]);
 412                         WriteOpers("*** Local Kill by %s: %s!%s@%s (%s)",user->nick,u->nick,u->ident,u->host,parameters[1]);
 413                         snprintf(killreason,MAXBUF,"Killed (%s (%s))",user->nick,parameters[1]);
 414                         kill_link(u,killreason);
 415                 }
 416         }
 417         else
 418         {
 419                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 420         }
 421 }
 422
 423 void handle_summon(char **parameters, int pcnt, userrec *user)
 424 {
 425         WriteServ(user->fd,"445 %s :SUMMON has been disabled (depreciated command)",user->nick);
 426 }
 427
 428 void handle_users(char **parameters, int pcnt, userrec *user)
 429 {
 430         WriteServ(user->fd,"445 %s :USERS has been disabled (depreciated command)",user->nick);
 431 }
 432
 433 void handle_pass(char **parameters, int pcnt, userrec *user)
 434 {
 435         // Check to make sure they havnt registered -- Fix by FCS
 436         if (user->registered == 7)
 437         {
 438                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
 439                 return;
 440         }
 441         strlcpy(user->password,parameters[0],MAXBUF);
 442         if (!strcasecmp(parameters[0],Passwd(user)))
 443         {
 444                 user->haspassed = true;
 445         }
 446 }
 447
 448 void handle_invite(char **parameters, int pcnt, userrec *user)
 449 {
 450         userrec* u = Find(parameters[0]);
 451         chanrec* c = FindChan(parameters[1]);
 452
 453         if ((!c) || (!u))
 454         {
 455                 if (!c)
 456                 {
 457                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[1]);
 458                 }
 459                 else
 460                 {
 461                         if (c->inviteonly)
 462                         {
 463                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 464                         }
 465                 }
 466
 467                 return;
 468         }
 469
 470         if (c->inviteonly)
 471         {
 472                 if (cstatus(user,c) < STATUS_HOP)
 473                 {
 474                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, c->name);
 475                         return;
 476                 }
 477         }
 478         if (has_channel(u,c))
 479         {
 480                 WriteServ(user->fd,"443 %s %s %s :Is already on channel %s",user->nick,u->nick,c->name,c->name);
 481                 return;
 482         }
 483         if (!has_channel(user,c))
 484         {
 485                 WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 486                 return;
 487         }
 488
 489         int MOD_RESULT = 0;
 490         FOREACH_RESULT(OnUserPreInvite(user,u,c));
 491         if (MOD_RESULT == 1) {
 492                 return;
 493         }
 494
 495         u->InviteTo(c->name);
 496         WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
 497         WriteServ(user->fd,"341 %s %s %s",user->nick,u->nick,c->name);
 498
 499         // i token must go to ALL servers!!!
 500         char buffer[MAXBUF];
 501         snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
 502         NetSendToAll(buffer);
 503 }
 504
 505 void handle_topic(char **parameters, int pcnt, userrec *user)
 506 {
 507         chanrec* Ptr;
 508
 509         if (pcnt == 1)
 510         {
 511                 if (strlen(parameters[0]) <= CHANMAX)
 512                 {
 513                         Ptr = FindChan(parameters[0]);
 514                         if (Ptr)
 515                         {
 516                                 if (((Ptr) && (!has_channel(user,Ptr))) && (Ptr->secret))
 517                                 {
 518                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 519                                         return;
 520                                 }
 521                                 if (Ptr->topicset)
 522                                 {
 523                                         WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
 524                                         WriteServ(user->fd,"333 %s %s %s %d", user->nick, Ptr->name, Ptr->setby, Ptr->topicset);
 525                                 }
 526                                 else
 527                                 {
 528                                         WriteServ(user->fd,"331 %s %s :No topic is set.", user->nick, Ptr->name);
 529                                 }
 530                         }
 531                         else
 532                         {
 533                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 534                         }
 535                 }
 536                 return;
 537         }
 538         else if (pcnt>1)
 539         {
 540                 if (strlen(parameters[0]) <= CHANMAX)
 541                 {
 542                         Ptr = FindChan(parameters[0]);
 543                         if (Ptr)
 544                         {
 545                                 if ((Ptr) && (!has_channel(user,Ptr)))
 546                                 {
 547                                         WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
 548                                         return;
 549                                 }
 550                                 if ((Ptr->topiclock) && (cstatus(user,Ptr)<STATUS_HOP))
 551                                 {
 552                                         WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel", user->nick, Ptr->name);
 553                                         return;
 554                                 }
 555
 556                                 char topic[MAXBUF];
 557                                 strlcpy(topic,parameters[1],MAXBUF);
 558                                 if (strlen(topic)>MAXTOPIC)
 559                                 {
 560                                         topic[MAXTOPIC-1] = '\0';
 561                                 }
 562
 563                                 if (!strcasecmp(user->server,ServerName))
 564                                 {
 565                                         int MOD_RESULT = 0;
 566                                         FOREACH_RESULT(OnLocalTopicChange(user,Ptr,topic));
 567                                         if (MOD_RESULT)
 568                                                 return;
 569                                 }
 570
 571                                 strlcpy(Ptr->topic,topic,MAXBUF);
 572                                 strlcpy(Ptr->setby,user->nick,NICKMAX);
 573                                 Ptr->topicset = TIME;
 574                                 WriteChannel(Ptr,user,"TOPIC %s :%s",Ptr->name, Ptr->topic);
 575
 576                                 // t token must go to ALL servers!!!
 577                                 char buffer[MAXBUF];
 578                                 snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
 579                                 NetSendToAll(buffer);
 580                         }
 581                         else
 582                         {
 583                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 584                         }
 585                 }
 586         }
 587 }
 588
 589 void handle_names(char **parameters, int pcnt, userrec *user)
 590 {
 591         chanrec* c;
 592
 593         if (!pcnt)
 594         {
 595                 WriteServ(user->fd,"366 %s * :End of /NAMES list.",user->nick);
 596                 return;
 597         }
 598
 599         if (loop_call(handle_names,parameters,pcnt,user,0,pcnt-1,0))
 600                 return;
 601         c = FindChan(parameters[0]);
 602         if (c)
 603         {
 604                 if (((c) && (!has_channel(user,c))) && (c->secret))
 605                 {
 606                       WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, c->name);
 607                       return;
 608                 }
 609                 userlist(user,c);
 610                 WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, c->name);
 611         }
 612         else
 613         {
 614                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 615         }
 616 }
 617
 618 void handle_privmsg(char **parameters, int pcnt, userrec *user)
 619 {
 620         userrec *dest;
 621         chanrec *chan;
 622
 623         user->idle_lastmsg = TIME;
 624
 625         if (loop_call(handle_privmsg,parameters,pcnt,user,0,pcnt-2,0))
 626                 return;
 627         if (parameters[0][0] == '#')
 628         {
 629                 chan = FindChan(parameters[0]);
 630                 if (chan)
 631                 {
 632                         if ((chan->noexternal) && (!has_channel(user,chan)))
 633                         {
 634                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 635                                 return;
 636                         }
 637                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 638                         {
 639                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 640                                 return;
 641                         }
 642
 643                         int MOD_RESULT = 0;
 644
 645                         std::string temp = parameters[1];
 646                         FOREACH_RESULT(OnUserPreMessage(user,chan,TYPE_CHANNEL,temp));
 647                         if (MOD_RESULT) {
 648                                 return;
 649                         }
 650                         parameters[1] = (char*)temp.c_str();
 651
 652                         ChanExceptSender(chan, user, "PRIVMSG %s :%s", chan->name, parameters[1]);
 653
 654                         // if any users of this channel are on remote servers, broadcast the packet
 655                         char buffer[MAXBUF];
 656                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
 657                         NetSendToCommon(user,buffer);
 658                 }
 659                 else
 660                 {
 661                         /* no such nick/channel */
 662                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 663                 }
 664                 return;
 665         }
 666
 667         dest = Find(parameters[0]);
 668         if (dest)
 669         {
 670                 if (strcmp(dest->awaymsg,""))
 671                 {
 672                         /* auto respond with aweh msg */
 673                         WriteServ(user->fd,"301 %s %s :%s",user->nick,dest->nick,dest->awaymsg);
 674                 }
 675
 676                 int MOD_RESULT = 0;
 677
 678                 std::string temp = parameters[1];
 679                 FOREACH_RESULT(OnUserPreMessage(user,dest,TYPE_USER,temp));
 680                 if (MOD_RESULT) {
 681                         return;
 682                 }
 683                 parameters[1] = (char*)temp.c_str();
 684
 685
 686
 687                 if (!strcmp(dest->server,user->server))
 688                 {
 689                         // direct write, same server
 690                         WriteTo(user, dest, "PRIVMSG %s :%s", dest->nick, parameters[1]);
 691                 }
 692                 else
 693                 {
 694                         char buffer[MAXBUF];
 695                         snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
 696                         NetSendToOne(dest->server,buffer);
 697                 }
 698         }
 699         else
 700         {
 701                 /* no such nick/channel */
 702                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 703         }
 704 }
 705
 706 void handle_notice(char **parameters, int pcnt, userrec *user)
 707 {
 708         userrec *dest;
 709         chanrec *chan;
 710
 711         user->idle_lastmsg = TIME;
 712
 713         if (loop_call(handle_notice,parameters,pcnt,user,0,pcnt-2,0))
 714                 return;
 715         if (parameters[0][0] == '#')
 716         {
 717                 chan = FindChan(parameters[0]);
 718                 if (chan)
 719                 {
 720                         if ((chan->noexternal) && (!has_channel(user,chan)))
 721                         {
 722                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (no external messages)", user->nick, chan->name);
 723                                 return;
 724                         }
 725                         if ((chan->moderated) && (cstatus(user,chan)<STATUS_VOICE))
 726                         {
 727                                 WriteServ(user->fd,"404 %s %s :Cannot send to channel (+m)", user->nick, chan->name);
 728                                 return;
 729                         }
 730
 731                         int MOD_RESULT = 0;
 732
 733                         std::string temp = parameters[1];
 734                         FOREACH_RESULT(OnUserPreNotice(user,chan,TYPE_CHANNEL,temp));
 735                         if (MOD_RESULT) {
 736                                 return;
 737                         }
 738                         parameters[1] = (char*)temp.c_str();
 739
 740                         ChanExceptSender(chan, user, "NOTICE %s :%s", chan->name, parameters[1]);
 741
 742                         // if any users of this channel are on remote servers, broadcast the packet
 743                         char buffer[MAXBUF];
 744                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
 745                         NetSendToCommon(user,buffer);
 746                 }
 747                 else
 748                 {
 749                         /* no such nick/channel */
 750                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 751                 }
 752                 return;
 753         }
 754
 755         dest = Find(parameters[0]);
 756         if (dest)
 757         {
 758                 int MOD_RESULT = 0;
 759
 760                 std::string temp = parameters[1];
 761                 FOREACH_RESULT(OnUserPreNotice(user,dest,TYPE_USER,temp));
 762                 if (MOD_RESULT) {
 763                         return;
 764                 }
 765                 parameters[1] = (char*)temp.c_str();
 766
 767                 if (!strcmp(dest->server,user->server))
 768                 {
 769                         // direct write, same server
 770                         WriteTo(user, dest, "NOTICE %s :%s", dest->nick, parameters[1]);
 771                 }
 772                 else
 773                 {
 774                         char buffer[MAXBUF];
 775                         snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
 776                         NetSendToOne(dest->server,buffer);
 777                 }
 778         }
 779         else
 780         {
 781                 /* no such nick/channel */
 782                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 783         }
 784 }
 785
 786 void handle_server(char **parameters, int pcnt, userrec *user)
 787 {
 788         WriteServ(user->fd,"666 %s :You cannot identify as a server, you are a USER. IRC Operators informed.",user->nick);
 789         WriteOpers("*** WARNING: %s attempted to issue a SERVER command and is registered as a user!",user->nick);
 790 }
 791
 792 void handle_info(char **parameters, int pcnt, userrec *user)
 793 {
 794         WriteServ(user->fd,"371 %s :. o O (The Inspire Internet Relay Chat Server) O o .",user->nick);
 795         WriteServ(user->fd,"371 %s : ",user->nick);
 796         WriteServ(user->fd,"371 %s :Core developers: Craig Edwards (Brain)",user->nick);
 797         WriteServ(user->fd,"371 %s :                 Craig McLure",user->nick);
 798         WriteServ(user->fd,"371 %s : ",user->nick);
 799         WriteServ(user->fd,"371 %s :Contributors:    typobox43",user->nick);
 800         WriteServ(user->fd,"371 %s :                 w00t",user->nick);
 801         WriteServ(user->fd,"371 %s :                 Om",user->nick);
 802         WriteServ(user->fd,"371 %s :                 Jazza",user->nick);
 803         WriteServ(user->fd,"371 %s : ",user->nick);
 804         WriteServ(user->fd,"371 %s :Testers:         CC",user->nick);
 805         WriteServ(user->fd,"371 %s :                 Piggles",user->nick);
 806         WriteServ(user->fd,"371 %s :                 Foamy",user->nick);
 807         WriteServ(user->fd,"371 %s :                 Hart",user->nick);
 808         WriteServ(user->fd,"371 %s :                 RageD",user->nick);
 809         WriteServ(user->fd,"371 %s :                 [ed]",user->nick);
 810         WriteServ(user->fd,"371 %s :                 Azhrarn",user->nick);
 811         WriteServ(user->fd,"371 %s :                 nenolod",user->nick);
 812         WriteServ(user->fd,"371 %s :                 luigiman",user->nick);
 813         WriteServ(user->fd,"371 %s :                 Chu",user->nick);
 814         WriteServ(user->fd,"371 %s :                 aquanight",user->nick);
 815         WriteServ(user->fd,"371 %s :                 xptek",user->nick);
 816         WriteServ(user->fd,"371 %s :                 Grantlinks",user->nick);
 817         WriteServ(user->fd,"371 %s :                 Rob",user->nick);
 818         WriteServ(user->fd,"371 %s :                 angelic",user->nick);
 819         WriteServ(user->fd,"371 %s :                 Jason",user->nick);
 820         WriteServ(user->fd,"371 %s : ",user->nick);
 821         WriteServ(user->fd,"371 %s :Thanks to irc-junkie and searchirc",user->nick);
 822         WriteServ(user->fd,"371 %s :for the nice comments and the help",user->nick);
 823         WriteServ(user->fd,"371 %s :you gave us in attracting users to",user->nick);
 824         WriteServ(user->fd,"371 %s :this software.",user->nick);
 825         WriteServ(user->fd,"371 %s : ",user->nick);
 826         WriteServ(user->fd,"371 %s :Best experienced with: An IRC client.",user->nick);
 827         FOREACH_MOD OnInfo(user);
 828         WriteServ(user->fd,"374 %s :End of /INFO list",user->nick);
 829 }
 830
 831 void handle_time(char **parameters, int pcnt, userrec *user)
 832 {
 833         time_t rawtime;
 834         struct tm * timeinfo;
 835
 836         time ( &rawtime );
 837         timeinfo = localtime ( &rawtime );
 838         WriteServ(user->fd,"391 %s %s :%s",user->nick,ServerName, asctime (timeinfo) );
 839
 840 }
 841
 842 void handle_whois(char **parameters, int pcnt, userrec *user)
 843 {
 844         userrec *dest;
 845
 846         if (loop_call(handle_whois,parameters,pcnt,user,0,pcnt-1,0))
 847                 return;
 848         dest = Find(parameters[0]);
 849         if (dest)
 850         {
 851                 // bug found by phidjit - were able to whois an incomplete connection if it had sent a NICK or USER
 852                 if (dest->registered == 7)
 853                 {
 854                         WriteServ(user->fd,"311 %s %s %s %s * :%s",user->nick, dest->nick, dest->ident, dest->dhost, dest->fullname);
 855                         if ((user == dest) || (strchr(user->modes,'o')))
 856                         {
 857                                 WriteServ(user->fd,"378 %s %s :is connecting from *@%s",user->nick, dest->nick, dest->host);
 858                         }
 859                         if (strcmp(chlist(dest),""))
 860                         {
 861                                 WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
 862                         }
 863                         WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server).c_str());
 864                         if (strcmp(dest->awaymsg,""))
 865                         {
 866                                 WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
 867                         }
 868                         if ((strchr(dest->modes,'o')) && (strcmp(dest->oper,"")))
 869                         {
 870                                 WriteServ(user->fd,"313 %s %s :is %s %s on %s",user->nick, dest->nick,
 871                                 (strchr("aeiou",dest->oper[0]) ? "an" : "a"),dest->oper, Network);
 872                         }
 873                         FOREACH_MOD OnWhois(user,dest);
 874                         if (!strcasecmp(user->server,dest->server))
 875                         {
 876                                 // idle time and signon line can only be sent if youre on the same server (according to RFC)
 877                                 WriteServ(user->fd,"317 %s %s %d %d :seconds idle, signon time",user->nick, dest->nick, abs((dest->idle_lastmsg)-TIME), dest->signon);
 878                         }
 879
 880                         WriteServ(user->fd,"318 %s %s :End of /WHOIS list.",user->nick, dest->nick);
 881                 }
 882                 else
 883                 {
 884                         WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 885                 }
 886         }
 887         else
 888         {
 889                 /* no such nick/channel */
 890                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
 891         }
 892 }
 893
 894 void handle_quit(char **parameters, int pcnt, userrec *user)
 895 {
 896         user_hash::iterator iter = clientlist.find(user->nick);
 897         char* reason;
 898
 899         if (user->registered == 7)
 900         {
 901                 /* theres more to do here, but for now just close the socket */
 902                 if (pcnt == 1)
 903                 {
 904                         if (parameters[0][0] == ':')
 905                         {
 906                                 *parameters[0]++;
 907                         }
 908                         reason = parameters[0];
 909
 910                         if (strlen(reason)>MAXQUIT)
 911                         {
 912                                 reason[MAXQUIT-1] = '\0';
 913                         }
 914
 915                         Write(user->fd,"ERROR :Closing link (%s@%s) [%s%s]",user->ident,user->host,PrefixQuit,parameters[0]);
 916                         WriteOpers("*** Client exiting: %s!%s@%s [%s%s]",user->nick,user->ident,user->host,PrefixQuit,parameters[0]);
 917                         WriteCommonExcept(user,"QUIT :%s%s",PrefixQuit,parameters[0]);
 918
 919                         char buffer[MAXBUF];
 920                         snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
 921                         NetSendToAll(buffer);
 922                 }
 923                 else
 924                 {
 925                         Write(user->fd,"ERROR :Closing link (%s@%s) [QUIT]",user->ident,user->host);
 926                         WriteOpers("*** Client exiting: %s!%s@%s [Client exited]",user->nick,user->ident,user->host);
 927                         WriteCommonExcept(user,"QUIT :Client exited");
 928
 929                         char buffer[MAXBUF];
 930                         snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
 931                         NetSendToAll(buffer);
 932                 }
 933                 FOREACH_MOD OnUserQuit(user);
 934                 AddWhoWas(user);
 935         }
 936
 937         FOREACH_MOD OnUserDisconnect(user);
 938
 939         /* push the socket on a stack of sockets due to be closed at the next opportunity */
 940         if (user->fd > -1)
 941         {
 942                 shutdown(user->fd,2);
 943                 close(user->fd);
 944         }
 945
 946         if (iter != clientlist.end())
 947         {
 948                 clientlist.erase(iter);
 949         }
 950
 951         if (user->registered == 7) {
 952                 purge_empty_chans(user);
 953         }
 954         if (user->fd > -1)
 955                 fd_ref_table[user->fd] = NULL;
 956         delete user;
 957 }
 958
 959 void handle_who(char **parameters, int pcnt, userrec *user)
 960 {
 961         chanrec* Ptr = NULL;
 962         char tmp[10];
 963
 964         /* theres more to do here, but for now just close the socket */
 965         if (pcnt == 1)
 966         {
 967                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")))
 968                 {
 969                         if (user->chans[0].channel)
 970                         {
 971                                 int n_list = 0;
 972                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
 973                                 {
 974                                         Ptr = i->second->chans[0].channel;
 975                                         // suggested by phidjit and FCS
 976                                         if ((!common_channels(user,i->second)) && (isnick(i->second->nick)))
 977                                         {
 978                                                 // Bug Fix #29
 979                                                 strcpy(tmp, "");
 980                                                 if (strcmp(i->second->awaymsg, "")) {
 981                                                         strlcat(tmp, "G", 9);
 982                                                 } else {
 983                                                         strlcat(tmp, "H", 9);
 984                                                 }
 985                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
 986                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr ? Ptr->name : "*", i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
 987                                                 n_list++;
 988                                                 if (n_list > MaxWhoResults)
 989                                                         break;
 990                                         }
 991                                 }
 992                         }
 993                         if (Ptr)
 994                         {
 995                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick , parameters[0]);
 996                         }
 997                         else
 998                         {
 999                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1000                         }
1001                         return;
1002                 }
1003                 if (parameters[0][0] == '#')
1004                 {
1005                         Ptr = FindChan(parameters[0]);
1006                         if (Ptr)
1007                         {
1008                                 for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
1009                                 {
1010                                         if ((has_channel(i->second,Ptr)) && (isnick(i->second->nick)))
1011                                         {
1012                                                 // Fix Bug #29 - Part 2..
1013                                                 strcpy(tmp, "");
1014                                                 if (strcmp(i->second->awaymsg, "")) {
1015                                                         strlcat(tmp, "G", 9);
1016                                                 } else {
1017                                                         strlcat(tmp, "H", 9);
1018                                                 }
1019                                                 if (strchr(i->second->modes,'o')) { strlcat(tmp, "*", 9); }
1020                                                 strlcat(tmp, cmode(i->second, Ptr),5);
1021                                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, Ptr->name, i->second->ident, i->second->dhost, i->second->server, i->second->nick, tmp, i->second->fullname);
1022                                         }
1023                                 }
1024                                 WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1025                         }
1026                         else
1027                         {
1028                                 WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
1029                         }
1030                 }
1031                 else
1032                 {
1033                         userrec* u = Find(parameters[0]);
1034                         if (u)
1035                         {
1036                                 // Bug Fix #29 -- Part 29..
1037                                 strcpy(tmp, "");
1038                                 if (strcmp(u->awaymsg, "")) {
1039                                         strlcat(tmp, "G" ,9);
1040                                 } else {
1041                                         strlcat(tmp, "H" ,9);
1042                                 }
1043                                 if (strchr(u->modes,'o')) { strlcat(tmp, "*" ,9); }
1044                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s :0 %s",user->nick, u->chans[0].channel ? u->chans[0].channel->name
1045                                 : "*", u->ident, u->dhost, u->server, u->nick, tmp, u->fullname);
1046                         }
1047                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1048                 }
1049         }
1050         if (pcnt == 2)
1051         {
1052                 if ((!strcmp(parameters[0],"0")) || (!strcmp(parameters[0],"*")) && (!strcmp(parameters[1],"o")))
1053                 {
1054                         for (std::vector<userrec*>::iterator i = all_opers.begin(); i != all_opers.end(); i++)
1055                         {
1056                                 // If i were a rich man.. I wouldn't need to me making these bugfixes..
1057                                 // But i'm a poor bastard with nothing better to do.
1058                                 userrec* oper = *i;
1059                                 strcpy(tmp, "");
1060                                 if (strcmp(oper->awaymsg, "")) {
1061                                         strlcat(tmp, "G" ,9);
1062                                 } else {
1063                                         strlcat(tmp, "H" ,9);
1064                                 }
1065                                 WriteServ(user->fd,"352 %s %s %s %s %s %s %s* :0 %s", user->nick, oper->chans[0].channel ? oper->chans[0].channel->name
1066                                 : "*", oper->ident, oper->dhost, oper->server, oper->nick, tmp, oper->fullname);
1067                         }
1068                         WriteServ(user->fd,"315 %s %s :End of /WHO list.",user->nick, parameters[0]);
1069                         return;
1070                 }
1071         }
1072 }
1073
1074 void handle_wallops(char **parameters, int pcnt, userrec *user)
1075 {
1076         WriteWallOps(user,false,"%s",parameters[0]);
1077 }
1078
1079 void handle_list(char **parameters, int pcnt, userrec *user)
1080 {
1081         WriteServ(user->fd,"321 %s Channel :Users Name",user->nick);
1082         for (chan_hash::const_iterator i = chanlist.begin(); i != chanlist.end(); i++)
1083         {
1084                 if ((!i->second->c_private) && (!i->second->secret))
1085                 {
1086                         WriteServ(user->fd,"322 %s %s %d :[+%s] %s",user->nick,i->second->name,usercount_i(i->second),chanmodes(i->second),i->second->topic);
1087                 }
1088         }
1089         WriteServ(user->fd,"323 %s :End of channel list.",user->nick);
1090 }
1091
1092
1093 void handle_rehash(char **parameters, int pcnt, userrec *user)
1094 {
1095         WriteServ(user->fd,"382 %s %s :Rehashing",user->nick,CleanFilename(CONFIG_FILE));
1096         ReadConfig(false,user);
1097         FOREACH_MOD OnRehash();
1098         WriteOpers("%s is rehashing config file %s",user->nick,CleanFilename(CONFIG_FILE));
1099 }
1100
1101 void handle_lusers(char **parameters, int pcnt, userrec *user)
1102 {
1103         WriteServ(user->fd,"251 %s :There are %d users and %d invisible on %d servers",user->nick,usercnt()-usercount_invisible(),usercount_invisible(),servercount());
1104         WriteServ(user->fd,"252 %s %d :operator(s) online",user->nick,usercount_opers());
1105         WriteServ(user->fd,"253 %s %d :unknown connections",user->nick,usercount_unknown());
1106         WriteServ(user->fd,"254 %s %d :channels formed",user->nick,chancount());
1107         WriteServ(user->fd,"254 %s :I have %d clients and %d servers",user->nick,local_count(),count_servs());
1108 }
1109
1110 void handle_admin(char **parameters, int pcnt, userrec *user)
1111 {
1112         WriteServ(user->fd,"256 %s :Administrative info for %s",user->nick,ServerName);
1113         WriteServ(user->fd,"257 %s :Name     - %s",user->nick,AdminName);
1114         WriteServ(user->fd,"258 %s :Nickname - %s",user->nick,AdminNick);
1115         WriteServ(user->fd,"258 %s :E-Mail   - %s",user->nick,AdminEmail);
1116 }
1117
1118 void handle_ping(char **parameters, int pcnt, userrec *user)
1119 {
1120         WriteServ(user->fd,"PONG %s :%s",ServerName,parameters[0]);
1121 }
1122
1123 void handle_pong(char **parameters, int pcnt, userrec *user)
1124 {
1125         // set the user as alive so they survive to next ping
1126         user->lastping = 1;
1127 }
1128
1129 void handle_motd(char **parameters, int pcnt, userrec *user)
1130 {
1131         ShowMOTD(user);
1132 }
1133
1134 void handle_rules(char **parameters, int pcnt, userrec *user)
1135 {
1136         ShowRULES(user);
1137 }
1138
1139 void handle_user(char **parameters, int pcnt, userrec *user)
1140 {
1141         if (user->registered < 3)
1142         {
1143                 if (isident(parameters[0]) == 0) {
1144                         // This kinda Sucks, According to the RFC thou, its either this,
1145                         // or "You have already registered" :p -- Craig
1146                         WriteServ(user->fd,"461 %s USER :Not enough parameters",user->nick);
1147                 }
1148                 else {
1149                         strcpy(user->ident,"~"); /* we arent checking ident... but these days why bother anyway? */
1150                         strlcat(user->ident,parameters[0],IDENTMAX);
1151                         strlcpy(user->fullname,parameters[3],128);
1152                         user->registered = (user->registered | 1);
1153                 }
1154         }
1155         else
1156         {
1157                 WriteServ(user->fd,"462 %s :You may not reregister",user->nick);
1158                 return;
1159         }
1160         /* parameters 2 and 3 are local and remote hosts, ignored when sent by client connection */
1161         if (user->registered == 3)
1162         {
1163                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1164                 FOREACH_MOD OnUserRegister(user);
1165                 ConnectUser(user);
1166         }
1167 }
1168
1169 void handle_userhost(char **parameters, int pcnt, userrec *user)
1170 {
1171         char Return[MAXBUF],junk[MAXBUF];
1172         snprintf(Return,MAXBUF,"302 %s :",user->nick);
1173         for (int i = 0; i < pcnt; i++)
1174         {
1175                 userrec *u = Find(parameters[i]);
1176                 if (u)
1177                 {
1178                         if (strchr(u->modes,'o'))
1179                         {
1180                                 snprintf(junk,MAXBUF,"%s*=+%s@%s ",u->nick,u->ident,u->host);
1181                                 strlcat(Return,junk,MAXBUF);
1182                         }
1183                         else
1184                         {
1185                                 snprintf(junk,MAXBUF,"%s=+%s@%s ",u->nick,u->ident,u->host);
1186                                 strlcat(Return,junk,MAXBUF);
1187                         }
1188                 }
1189         }
1190         WriteServ(user->fd,Return);
1191 }
1192
1193
1194 void handle_ison(char **parameters, int pcnt, userrec *user)
1195 {
1196         char Return[MAXBUF];
1197         snprintf(Return,MAXBUF,"303 %s :",user->nick);
1198         for (int i = 0; i < pcnt; i++)
1199         {
1200                 userrec *u = Find(parameters[i]);
1201                 if (u)
1202                 {
1203                         strlcat(Return,u->nick,MAXBUF);
1204                         strlcat(Return," ",MAXBUF);
1205                 }
1206         }
1207         WriteServ(user->fd,Return);
1208 }
1209
1210
1211 void handle_away(char **parameters, int pcnt, userrec *user)
1212 {
1213         if (pcnt)
1214         {
1215                 strlcpy(user->awaymsg,parameters[0],512);
1216                 WriteServ(user->fd,"306 %s :You have been marked as being away",user->nick);
1217         }
1218         else
1219         {
1220                 strlcpy(user->awaymsg,"",512);
1221                 WriteServ(user->fd,"305 %s :You are no longer marked as being away",user->nick);
1222         }
1223 }
1224
1225 void handle_whowas(char **parameters, int pcnt, userrec* user)
1226 {
1227         user_hash::iterator i = whowas.find(parameters[0]);
1228
1229         if (i == whowas.end())
1230         {
1231                 WriteServ(user->fd,"406 %s %s :There was no such nickname",user->nick,parameters[0]);
1232                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1233         }
1234         else
1235         {
1236                 time_t rawtime = i->second->signon;
1237                 tm *timeinfo;
1238                 char b[MAXBUF];
1239
1240                 timeinfo = localtime(&rawtime);
1241                 strlcpy(b,asctime(timeinfo),MAXBUF);
1242                 b[strlen(b)-1] = '\0';
1243
1244                 WriteServ(user->fd,"314 %s %s %s %s * :%s",user->nick,i->second->nick,i->second->ident,i->second->dhost,i->second->fullname);
1245                 WriteServ(user->fd,"312 %s %s %s :%s",user->nick,i->second->nick,i->second->server,b);
1246                 WriteServ(user->fd,"369 %s %s :End of WHOWAS",user->nick,parameters[0]);
1247         }
1248
1249 }
1250
1251 void handle_trace(char **parameters, int pcnt, userrec *user)
1252 {
1253         for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1254         {
1255                 if (i->second)
1256                 {
1257                         if (isnick(i->second->nick))
1258                         {
1259                                 if (strchr(i->second->modes,'o'))
1260                                 {
1261                                         WriteServ(user->fd,"205 %s :Oper 0 %s",user->nick,i->second->nick);
1262                                 }
1263                                 else
1264                                 {
1265                                         WriteServ(user->fd,"204 %s :User 0 %s",user->nick,i->second->nick);
1266                                 }
1267                         }
1268                         else
1269                         {
1270                                 WriteServ(user->fd,"203 %s :???? 0 [%s]",user->nick,i->second->host);
1271                         }
1272                 }
1273         }
1274 }
1275
1276 void handle_modules(char **parameters, int pcnt, userrec *user)
1277 {
1278         for (int i = 0; i < module_names.size(); i++)
1279         {
1280                 Version V = modules[i]->GetVersion();
1281                 char modulename[MAXBUF];
1282                 char flagstate[MAXBUF];
1283                 strcpy(flagstate,"");
1284                 if (V.Flags & VF_STATIC)
1285                         strlcat(flagstate,", static",MAXBUF);
1286                 if (V.Flags & VF_VENDOR)
1287                         strlcat(flagstate,", vendor",MAXBUF);
1288                 if (V.Flags & VF_COMMON)
1289                         strlcat(flagstate,", common",MAXBUF);
1290                 if (V.Flags & VF_SERVICEPROVIDER)
1291                         strlcat(flagstate,", service provider",MAXBUF);
1292                 if (!flagstate[0])
1293                         strcpy(flagstate,"  <no flags>");
1294                 strlcpy(modulename,module_names[i].c_str(),256);
1295                 if (strchr(user->modes,'o'))
1296                 {
1297                         WriteServ(user->fd,"900 %s :0x%08lx %d.%d.%d.%d %s (%s)",user->nick,modules[i],V.Major,V.Minor,V.Revision,V.Build,CleanFilename(modulename),flagstate+2);
1298                 }
1299                 else
1300                 {
1301                         WriteServ(user->fd,"900 %s :%s",user->nick,CleanFilename(modulename));
1302                 }
1303         }
1304         WriteServ(user->fd,"901 %s :End of MODULES list",user->nick);
1305 }
1306
1307 void handle_stats(char **parameters, int pcnt, userrec *user)
1308 {
1309         char Link_ServerName[MAXBUF],Link_IPAddr[MAXBUF],Link_Port[MAXBUF];
1310         if (pcnt != 1)
1311         {
1312                 return;
1313         }
1314         if (strlen(parameters[0])>1)
1315         {
1316                 /* make the stats query 1 character long */
1317                 parameters[0][1] = '\0';
1318         }
1319
1320
1321         FOREACH_MOD OnStats(*parameters[0]);
1322
1323         if (*parameters[0] == 'c')
1324         {
1325                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1326                 {
1327                         ConfValue("link","name",i,Link_ServerName,&config_f);
1328                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1329                         ConfValue("link","port",i,Link_Port,&config_f);
1330                         WriteServ(user->fd,"213 %s C *@%s * %s %s 0 M",user->nick,Link_IPAddr,Link_ServerName,Link_Port);
1331                         WriteServ(user->fd,"244 %s H * * %s",user->nick,Link_ServerName);
1332                 }
1333         }
1334
1335         if (*parameters[0] == 'i')
1336         {
1337                 int idx = 0;
1338                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1339                 {
1340                         WriteServ(user->fd,"215 %s I * * * %d %d %s *",user->nick,MAXCLIENTS,idx,ServerName);
1341                         idx++;
1342                 }
1343         }
1344
1345         if (*parameters[0] == 'y')
1346         {
1347                 int idx = 0;
1348                 for (ClassVector::iterator i = Classes.begin(); i != Classes.end(); i++)
1349                 {
1350                         WriteServ(user->fd,"218 %s Y %d %d 0 %d %d",user->nick,idx,120,i->flood,i->registration_timeout);
1351                         idx++;
1352                 }
1353         }
1354
1355         if (*parameters[0] == 'U')
1356         {
1357                 for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1358                 {
1359                         ConfValue("uline","server",i,Link_ServerName,&config_f);
1360                         WriteServ(user->fd,"248 %s U %s",user->nick,Link_ServerName);
1361                 }
1362         }
1363
1364         if (*parameters[0] == 'P')
1365         {
1366                 int idx = 0;
1367                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1368                 {
1369                         if (strchr(i->second->modes,'o'))
1370                         {
1371                                 WriteServ(user->fd,"249 %s :%s (%s@%s) Idle: %d",user->nick,i->second->nick,i->second->ident,i->second->dhost,(TIME - i->second->idle_lastmsg));
1372                                 idx++;
1373                         }
1374                 }
1375                 WriteServ(user->fd,"249 %s :%d OPER(s)",user->nick,idx);
1376         //249 [Brain] :bwoadway-monitor (~wgmon@204.152.186.58) Idle: 18
1377         }
1378
1379         if (*parameters[0] == 'k')
1380         {
1381                 stats_k(user);
1382         }
1383
1384         if (*parameters[0] == 'g')
1385         {
1386                 stats_g(user);
1387         }
1388
1389         if (*parameters[0] == 'q')
1390         {
1391                 stats_q(user);
1392         }
1393
1394         if (*parameters[0] == 'Z')
1395         {
1396                 stats_z(user);
1397         }
1398
1399         if (*parameters[0] == 'e')
1400         {
1401                 stats_e(user);
1402         }
1403
1404         /* stats m (list number of times each command has been used, plus bytecount) */
1405         if (*parameters[0] == 'm')
1406         {
1407                 for (int i = 0; i < cmdlist.size(); i++)
1408                 {
1409                         if (cmdlist[i].handler_function)
1410                         {
1411                                 if (cmdlist[i].use_count)
1412                                 {
1413                                         /* RPL_STATSCOMMANDS */
1414                                         WriteServ(user->fd,"212 %s %s %d %d",user->nick,cmdlist[i].command,cmdlist[i].use_count,cmdlist[i].total_bytes);
1415                                 }
1416                         }
1417                 }
1418
1419         }
1420
1421         /* stats z (debug and memory info) */
1422         if (*parameters[0] == 'z')
1423         {
1424                 WriteServ(user->fd,"249 %s :Users(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,clientlist.size(),clientlist.size()*sizeof(userrec),clientlist.bucket_count());
1425                 WriteServ(user->fd,"249 %s :Channels(HASH_MAP) %d (%d bytes, %d buckets)",user->nick,chanlist.size(),chanlist.size()*sizeof(chanrec),chanlist.bucket_count());
1426                 WriteServ(user->fd,"249 %s :Commands(VECTOR) %d (%d bytes)",user->nick,cmdlist.size(),cmdlist.size()*sizeof(command_t));
1427                 WriteServ(user->fd,"249 %s :MOTD(VECTOR) %d, RULES(VECTOR) %d",user->nick,MOTD.size(),RULES.size());
1428                 WriteServ(user->fd,"249 %s :address_cache(HASH_MAP) %d (%d buckets)",user->nick,IP.size(),IP.bucket_count());
1429                 WriteServ(user->fd,"249 %s :Modules(VECTOR) %d (%d)",user->nick,modules.size(),modules.size()*sizeof(Module));
1430                 WriteServ(user->fd,"249 %s :ClassFactories(VECTOR) %d (%d)",user->nick,factory.size(),factory.size()*sizeof(ircd_module));
1431                 WriteServ(user->fd,"249 %s :Ports(STATIC_ARRAY) %d",user->nick,boundPortCount);
1432         }
1433
1434         if (*parameters[0] == 'T')
1435         {
1436                 WriteServ(user->fd,"249 Brain :accepts %d refused %d",statsAccept,statsRefused);
1437                 WriteServ(user->fd,"249 Brain :unknown commands %d",statsUnknown);
1438                 WriteServ(user->fd,"249 Brain :nick collisions %d",statsCollisions);
1439                 WriteServ(user->fd,"249 Brain :dns requests %d succeeded %d failed %d",statsDns,statsDnsGood,statsDnsBad);
1440                 WriteServ(user->fd,"249 Brain :connections %d",statsConnects);
1441                 WriteServ(user->fd,"249 Brain :bytes sent %dK recv %dK",(statsSent / 1024),(statsRecv / 1024));
1442         }
1443
1444         /* stats o */
1445         if (*parameters[0] == 'o')
1446         {
1447                 for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1448                 {
1449                         char LoginName[MAXBUF];
1450                         char HostName[MAXBUF];
1451                         char OperType[MAXBUF];
1452                         ConfValue("oper","name",i,LoginName,&config_f);
1453                         ConfValue("oper","host",i,HostName,&config_f);
1454                         ConfValue("oper","type",i,OperType,&config_f);
1455                         WriteServ(user->fd,"243 %s O %s * %s %s 0",user->nick,HostName,LoginName,OperType);
1456                 }
1457         }
1458
1459         /* stats l (show user I/O stats) */
1460         if (*parameters[0] == 'l')
1461         {
1462                 WriteServ(user->fd,"211 %s :server:port nick bytes_in cmds_in bytes_out cmds_out",user->nick);
1463                 for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
1464                 {
1465                         if (isnick(i->second->nick))
1466                         {
1467                                 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);
1468                         }
1469                         else
1470                         {
1471                                 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);
1472                         }
1473
1474                 }
1475         }
1476
1477         /* stats u (show server uptime) */
1478         if (*parameters[0] == 'u')
1479         {
1480                 time_t current_time = 0;
1481                 current_time = TIME;
1482                 time_t server_uptime = current_time - startup_time;
1483                 struct tm* stime;
1484                 stime = gmtime(&server_uptime);
1485                 /* i dont know who the hell would have an ircd running for over a year nonstop, but
1486                  * Craig suggested this, and it seemed a good idea so in it went */
1487                 if (stime->tm_year > 70)
1488                 {
1489                         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);
1490                 }
1491                 else
1492                 {
1493                         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);
1494                 }
1495         }
1496
1497         WriteServ(user->fd,"219 %s %s :End of /STATS report",user->nick,parameters[0]);
1498         WriteOpers("*** Notice: Stats '%s' requested by %s (%s@%s)",parameters[0],user->nick,user->ident,user->host);
1499
1500 }
1501
1502 void handle_connect(char **parameters, int pcnt, userrec *user)
1503 {
1504         char Link_ServerName[1024];
1505         char Link_IPAddr[1024];
1506         char Link_Port[1024];
1507         char Link_Pass[1024];
1508         int LinkPort;
1509         bool found = false;
1510
1511         for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
1512         {
1513                 if (!found)
1514                 {
1515                         ConfValue("link","name",i,Link_ServerName,&config_f);
1516                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
1517                         ConfValue("link","port",i,Link_Port,&config_f);
1518                         ConfValue("link","sendpass",i,Link_Pass,&config_f);
1519                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
1520                         LinkPort = atoi(Link_Port);
1521                         if (match(Link_ServerName,parameters[0])) {
1522                                 found = true;
1523                                 break;
1524                         }
1525                 }
1526         }
1527
1528         if (!found) {
1529                 WriteServ(user->fd,"NOTICE %s :*** Failed to connect to %s: No servers matching this pattern are configured for linking.",user->nick,parameters[0]);
1530                 return;
1531         }
1532
1533         // TODO: Perform a check here to stop a server being linked twice!
1534
1535         WriteServ(user->fd,"NOTICE %s :*** Connecting to %s (%s) port %s...",user->nick,Link_ServerName,Link_IPAddr,Link_Port);
1536
1537         if (me[defaultRoute])
1538         {
1539                 me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
1540                 return;
1541         }
1542         else
1543         {
1544                 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);
1545         }
1546 }
1547
1548 void handle_squit(char **parameters, int pcnt, userrec *user)
1549 {
1550         // send out an squit across the mesh and then clear the server list (for local squit)
1551         if (!pcnt)
1552         {
1553                 WriteOpers("SQUIT command issued by %s",user->nick);
1554                 char buffer[MAXBUF];
1555                 snprintf(buffer,MAXBUF,"& %s",ServerName);
1556                 NetSendToAll(buffer);
1557                 DoSplitEveryone();
1558         }
1559         else
1560         {
1561                 if (!strcasecmp("*",parameters[0]))
1562                 {
1563                         WriteServ(user->fd,"NOTICE %s :*** You cannot issue an SQUIT this wide! If this is REALLY what you want, use a less wide mask.",user->nick);
1564                         WriteOpers("*** WARNING! %s tried to SQUIT all servers at once!",user->nick);
1565                         return;
1566                 }
1567                 if (!strcasecmp(ServerName,parameters[0]))
1568                 {
1569                         WriteServ(user->fd,"NOTICE %s :*** To take the local server out of the mesh, just use /SQUIT with no parameters instead.",user->nick);
1570                         return;
1571                 }
1572                 bool have_this_server = true;
1573                 int n_count = 0;
1574                 std::string server_to_squit = "";
1575                 while (have_this_server)
1576                 {
1577                         have_this_server = false;
1578                         for (int j = 0; j < 32; j++)
1579                         {
1580                                 if (me[j] != NULL)
1581                                 {
1582                                         for (int x = 0; x < me[j]->connectors.size(); x++)
1583                                         {
1584                                                 if (match(me[j]->connectors[x].GetServerName().c_str(),parameters[0]))
1585                                                 {
1586                                                         // found a valid ircd_connector.
1587                                                         have_this_server = true;
1588                                                         server_to_squit = me[j]->connectors[x].GetServerName().c_str();
1589                                                         break;
1590                                                 }
1591                                         }
1592                                 }
1593                         }
1594                         if (have_this_server)
1595                         {
1596                                 WriteOpers("SQUIT command issued by %s to remove %s from the mesh",user->nick,server_to_squit.c_str());
1597                                 WriteServ(user->fd,"NOTICE %s :*** Removing remote server %s.",user->nick,server_to_squit.c_str());
1598                                 char buffer[MAXBUF];
1599                                 snprintf(buffer,MAXBUF,"& %s",server_to_squit.c_str());
1600                                 NetSendToAll(buffer);
1601                                 DoSplit(server_to_squit.c_str());
1602                                 n_count++;
1603                         }
1604                 }
1605                 if (!n_count)
1606                 {
1607                         WriteServ(user->fd,"402 %s %s :Your pattern did not match any servers.",user->nick,parameters[0]);
1608                 }
1609         }
1610 }
1611
1612 void handle_links(char **parameters, int pcnt, userrec *user)
1613 {
1614         WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
1615         for (int j = 0; j < 32; j++)
1616         {
1617                 if (me[j] != NULL)
1618                 {
1619                         for (int k = 0; k < me[j]->connectors.size(); k++)
1620                         {
1621                                 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());
1622                         }
1623                 }
1624         }
1625         WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
1626 }
1627
1628 void handle_map(char **parameters, int pcnt, userrec *user)
1629 {
1630         char line[MAXBUF];
1631         snprintf(line,MAXBUF,"006 %s :%s",user->nick,ServerName);
1632         while (strlen(line) < 50)
1633                 strcat(line," ");
1634         WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)registered_usercount())*100));
1635         for (int j = 0; j < 32; j++)
1636         {
1637                 if (me[j] != NULL)
1638                 {
1639                         for (int k = 0; k < me[j]->connectors.size(); k++)
1640                         {
1641                                 snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
1642                                 while (strlen(line) < 50)
1643                                         strcat(line," ");
1644                                 WriteServ(user->fd,"%s%d (%.2f%%)",line,map_count(me[j]->connectors[k].GetServerName().c_str()),(float)(((float)map_count(me[j]->connectors[k].GetServerName().c_str())/(float)registered_usercount())*100));
1645                         }
1646                 }
1647         }
1648         WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
1649 }
1650
1651 bool is_uline(const char* server)
1652 {
1653         char ServName[MAXBUF];
1654         for (int i = 0; i < ConfValueEnum("uline",&config_f); i++)
1655         {
1656                 ConfValue("uline","server",i,ServName,&config_f);
1657                 if (!strcasecmp(server,ServName))
1658                 {
1659                         return true;
1660                 }
1661         }
1662         return false;
1663 }
1664 int operstrcmp(char* data,char* input)
1665 {
1666         int MOD_RESULT = 0;
1667         FOREACH_RESULT(OnOperCompare(data,input))
1668         log(DEBUG,"operstrcmp: %d",MOD_RESULT);
1669         if (MOD_RESULT == 1)
1670                 return 0;
1671         if (MOD_RESULT == -1)
1672                 return 1;
1673         log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
1674         return strcmp(data,input);
1675 }
1676
1677 void handle_oper(char **parameters, int pcnt, userrec *user)
1678 {
1679         char LoginName[MAXBUF];
1680         char Password[MAXBUF];
1681         char OperType[MAXBUF];
1682         char TypeName[MAXBUF];
1683         char HostName[MAXBUF];
1684         char TheHost[MAXBUF];
1685         int j;
1686         bool found = false;
1687         bool fail2 = false;
1688         char global[MAXBUF];
1689
1690         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
1691
1692         for (int i = 0; i < ConfValueEnum("oper",&config_f); i++)
1693         {
1694                 ConfValue("oper","name",i,LoginName,&config_f);
1695                 ConfValue("oper","password",i,Password,&config_f);
1696                 ConfValue("oper","type",i,OperType,&config_f);
1697                 ConfValue("oper","host",i,HostName,&config_f);
1698                 if ((!strcmp(LoginName,parameters[0])) && (!operstrcmp(Password,parameters[1])) && (match(TheHost,HostName)))
1699                 {
1700                         fail2 = true;
1701                         for (j =0; j < ConfValueEnum("type",&config_f); j++)
1702                         {
1703                                 ConfValue("type","name",j,TypeName,&config_f);
1704
1705                                 if (!strcmp(TypeName,OperType))
1706                                 {
1707                                         /* found this oper's opertype */
1708                                         snprintf(global,MAXBUF,"| %s %s",user->nick,TypeName);
1709                                         NetSendToAll(global);
1710                                         ConfValue("type","host",j,HostName,&config_f);
1711                                         ChangeDisplayedHost(user,HostName);
1712                                         strlcpy(user->oper,TypeName,NICKMAX);
1713                                         found = true;
1714                                         fail2 = false;
1715                                         break;
1716                                 }
1717                         }
1718                 }
1719                 if (found)
1720                         break;
1721         }
1722         if (found)
1723         {
1724                 /* correct oper credentials */
1725                 WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,OperType);
1726                 WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,OperType);
1727                 if (!strchr(user->modes,'o'))
1728                 {
1729                         strcat(user->modes,"o");
1730                         WriteServ(user->fd,"MODE %s :+o",user->nick);
1731                         snprintf(global,MAXBUF,"M %s +o",user->nick);
1732                         NetSendToAll(global);
1733                         FOREACH_MOD OnOper(user);
1734                         log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,OperType);
1735                         AddOper(user);
1736                 }
1737         }
1738         else
1739         {
1740                 if (!fail2)
1741                 {
1742                         WriteServ(user->fd,"491 %s :Invalid oper credentials",user->nick);
1743                         WriteOpers("*** WARNING! Failed oper attempt by %s!%s@%s!",user->nick,user->ident,user->host);
1744                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: user, host or password did not match.",user->nick,user->ident,user->host);
1745                 }
1746                 else
1747                 {
1748                         WriteServ(user->fd,"491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
1749                         WriteOpers("*** CONFIGURATION ERROR! Oper block mismatch for OperType %s",OperType);
1750                         log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host);
1751                 }
1752         }
1753         return;
1754 }
1755
1756 void handle_nick(char **parameters, int pcnt, userrec *user)
1757 {
1758         if (pcnt < 1)
1759         {
1760                 log(DEBUG,"not enough params for handle_nick");
1761                 return;
1762         }
1763         if (!parameters[0])
1764         {
1765                 log(DEBUG,"invalid parameter passed to handle_nick");
1766                 return;
1767         }
1768         if (!parameters[0][0])
1769         {
1770                 log(DEBUG,"zero length new nick passed to handle_nick");
1771                 return;
1772         }
1773         if (!user)
1774         {
1775                 log(DEBUG,"invalid user passed to handle_nick");
1776                 return;
1777         }
1778         if (!user->nick)
1779         {
1780                 log(DEBUG,"invalid old nick passed to handle_nick");
1781                 return;
1782         }
1783         if (!strcasecmp(user->nick,parameters[0]))
1784         {
1785                 log(DEBUG,"old nick is new nick, skipping");
1786                 return;
1787         }
1788         else
1789         {
1790                 if (strlen(parameters[0]) > 1)
1791                 {
1792                         if (parameters[0][0] == ':')
1793                         {
1794                                 *parameters[0]++;
1795                         }
1796                 }
1797                 if (matches_qline(parameters[0]))
1798                 {
1799                         WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
1800                         WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
1801                         return;
1802                 }
1803                 if ((Find(parameters[0])) && (Find(parameters[0]) != user))
1804                 {
1805                         WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
1806                         return;
1807                 }
1808         }
1809         if (isnick(parameters[0]) == 0)
1810         {
1811                 WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
1812                 return;
1813         }
1814
1815         if (user->registered == 7)
1816         {
1817                 int MOD_RESULT = 0;
1818                 FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
1819                 if (MOD_RESULT) {
1820                         // if a module returns true, the nick change is silently forbidden.
1821                         return;
1822                 }
1823
1824                 WriteCommon(user,"NICK %s",parameters[0]);
1825
1826                 // N token must go to ALL servers!!!
1827                 char buffer[MAXBUF];
1828                 snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
1829                 NetSendToAll(buffer);
1830         }
1831
1832         char oldnick[NICKMAX];
1833         strlcpy(oldnick,user->nick,NICKMAX);
1834
1835         /* change the nick of the user in the users_hash */
1836         user = ReHashNick(user->nick, parameters[0]);
1837         /* actually change the nick within the record */
1838         if (!user) return;
1839         if (!user->nick) return;
1840
1841         strlcpy(user->nick, parameters[0],NICKMAX);
1842
1843         log(DEBUG,"new nick set: %s",user->nick);
1844
1845         if (user->registered < 3)
1846         {
1847                 user->registered = (user->registered | 2);
1848                 // dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
1849                 // and unless we're lucky we'll get a duff one later on.
1850                 user->dns_done = (!lookup_dns(user->nick));
1851                 if (user->dns_done)
1852                         log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
1853         }
1854         if (user->registered == 3)
1855         {
1856                 /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
1857                 FOREACH_MOD OnUserRegister(user);
1858                 ConnectUser(user);
1859         }
1860         if (user->registered == 7)
1861         {
1862                 FOREACH_MOD OnUserPostNick(user,oldnick);
1863         }
1864 }
1865
1866
1867 void handle_v(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1868 {
1869         char* servername = strtok(params," ");
1870         char* versionstr = strtok(NULL,"\r\n");
1871
1872         for (int j = 0; j < 32; j++)
1873         {
1874                 if (me[j] != NULL)
1875                 {
1876                         for (int x = 0; x < me[j]->connectors.size(); x++)
1877                         {
1878                                 if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),servername))
1879                                 {
1880                                         me[j]->connectors[x].SetVersionString(versionstr);
1881                                 }
1882                         }
1883                 }
1884         }
1885 }
1886
1887 void handle_V(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1888 {
1889         char* src = strtok(params," ");
1890         char* dest = strtok(NULL," :");
1891         char* text = strtok(NULL,"\r\n");
1892         text++;
1893
1894         userrec* user = Find(src);
1895         if (user)
1896         {
1897                 // notice all - only issuable by a server
1898                 if (!strcmp(dest,"*"))
1899                 {
1900                         NoticeAll(user,true,"%s",text);
1901                 }
1902                 if (!strcmp(dest,"@*"))
1903                 {
1904                         NoticeAllOpers(user,true,"%s",text);
1905                 }
1906                 else
1907                 {
1908                         userrec* dst = Find(dest);
1909                         if (dst)
1910                         {
1911                                 WriteTo(user, dst, "NOTICE %s :%s", dst->nick, text);
1912                         }
1913                         else
1914                         {
1915                                 chanrec* d = FindChan(dest);
1916                                 if (d)
1917                                 {
1918                                         ChanExceptSender(d, user, "NOTICE %s :%s", d->name, text);
1919                                 }
1920                         }
1921                 }
1922         }
1923
1924 }
1925
1926
1927 void handle_P(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1928 {
1929         char* src = strtok(params," ");
1930         char* dest = strtok(NULL," :");
1931         char* text = strtok(NULL,"\r\n");
1932         text++;
1933
1934         userrec* user = Find(src);
1935         if (user)
1936         {
1937                 userrec* dst = Find(dest);
1938
1939                 if (dst)
1940                 {
1941                         WriteTo(user, dst, "PRIVMSG %s :%s", dst->nick, text);
1942                 }
1943                 else
1944                 {
1945                         chanrec* d = FindChan(dest);
1946                         if (d)
1947                         {
1948                                 ChanExceptSender(d, user, "PRIVMSG %s :%s", d->name, text);
1949                         }
1950                 }
1951         }
1952
1953 }
1954
1955 void handle_i(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1956 {
1957         char* nick = strtok(params," ");
1958         char* from = strtok(NULL," ");
1959         char* channel = strtok(NULL," ");
1960         userrec* u = Find(nick);
1961         userrec* user = Find(from);
1962         chanrec* c = FindChan(channel);
1963         if ((c) && (u) && (user))
1964         {
1965                 u->InviteTo(c->name);
1966                 WriteFrom(u->fd,user,"INVITE %s :%s",u->nick,c->name);
1967         }
1968 }
1969
1970 void handle_t(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1971 {
1972         char* setby = strtok(params," ");
1973         char* channel = strtok(NULL," :");
1974         char* topic = strtok(NULL,"\r\n");
1975         topic++;
1976         userrec* u = Find(setby);
1977         chanrec* c = FindChan(channel);
1978         if ((c) && (u))
1979         {
1980                 WriteChannelLocal(c,u,"TOPIC %s :%s",c->name,topic);
1981                 strlcpy(c->topic,topic,MAXTOPIC);
1982                 strlcpy(c->setby,u->nick,NICKMAX);
1983                 c->topicset = TIME;
1984         }
1985 }
1986
1987
1988 void handle_T(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
1989 {
1990         char* tm = strtok(params," ");
1991         char* setby = strtok(NULL," ");
1992         char* channel = strtok(NULL," :");
1993         char* topic = strtok(NULL,"\r\n");
1994         topic++;
1995         time_t TS = atoi(tm);
1996         chanrec* c = FindChan(channel);
1997         if (c)
1998         {
1999                 // in the case of topics and TS, the *NEWER*
2000                 if (TS <= c->topicset)
2001                 {
2002                         WriteChannelLocal(c,NULL,"TOPIC %s :%s",c->name,topic);
2003                         strlcpy(c->topic,topic,MAXTOPIC);
2004                         strlcpy(c->setby,setby,NICKMAX);
2005                 }
2006         }
2007 }
2008
2009 void handle_M(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2010 {
2011         char* pars[128];
2012         char original[MAXBUF],target[MAXBUF];
2013         strlcpy(original,params,MAXBUF);
2014         int index = 0;
2015         char* parameter = strtok(params," ");
2016         strlcpy(target,parameter,MAXBUF);
2017         while (parameter)
2018         {
2019                 if (parameter[0] == ':')
2020                         parameter++;
2021                 pars[index++] = parameter;
2022                 parameter = strtok(NULL," ");
2023         }
2024         log(DEBUG,"*** MODE: %s %s",pars[0],pars[1]);
2025         merge_mode(pars,index);
2026         if (FindChan(target))
2027         {
2028                 WriteChannelLocal(FindChan(target), NULL, "MODE %s",original);
2029         }
2030         if (Find(target))
2031         {
2032                 Write(Find(target)->fd,":%s MODE %s",ServerName,original);
2033         }
2034 }
2035
2036 // m is modes set by users only (not servers) valid targets are channels or users.
2037
2038 void handle_m(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2039 {
2040         // m blah #chatspike +b *!test@*4
2041         char* pars[128];
2042         char original[MAXBUF];
2043         strlcpy(original,params,MAXBUF);
2044
2045         if (!strchr(params,' '))
2046         {
2047                 WriteOpers("WARNING! 'm' token in data stream without any parameters! Something fishy is going on!");
2048                 return;
2049         }
2050
2051         int index = 0;
2052
2053         char* src = strtok(params," ");
2054         userrec* user = Find(src);
2055
2056         if (user)
2057         {
2058                 log(DEBUG,"Found user: %s",user->nick);
2059                 char* parameter = strtok(NULL," ");
2060                 while (parameter)
2061                 {
2062                         pars[index++] = parameter;
2063                         parameter = strtok(NULL," ");
2064                 }
2065
2066                 log(DEBUG,"Calling merge_mode2");
2067                 merge_mode2(pars,index,user);
2068         }
2069 }
2070
2071
2072 void handle_L(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2073 {
2074         char* nick = NULL;
2075         char* channel = NULL;
2076         char* reason = NULL;
2077         log(DEBUG,"L TOKEN PARS: '%s'",params);
2078         if (strstr(params,":#"))
2079         {
2080                 nick = strtok(params," ");
2081                 channel = strtok(NULL,"\r\n");
2082                 channel++;
2083                 reason = "";
2084         }
2085         else
2086         {
2087                 nick = strtok(params," ");
2088                 channel = strtok(NULL," :");
2089                 reason = strtok(NULL,"\r\n");
2090                 reason++;
2091         }
2092         userrec* user = Find(nick);
2093         if ((user) && (channel) && (reason))
2094         {
2095                 if ((!reason) && (*reason != '\0'))
2096                 {
2097                         del_channel(user,channel,reason,true);
2098                 }
2099                 else
2100                 {
2101                         del_channel(user,channel,NULL,true);
2102                 }
2103         }
2104 }
2105
2106 void handle_K(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2107 {
2108         char* src = strtok(params," ");
2109         char* nick = strtok(NULL," :");
2110         char* reason = strtok(NULL,"\r\n");
2111         char kreason[MAXBUF];
2112         reason++;
2113
2114         userrec* u = Find(nick);
2115         userrec* user = Find(src);
2116
2117         if ((user) && (u))
2118         {
2119                 WriteTo(user, u, "KILL %s :%s!%s!%s!%s (%s)", u->nick, source->name, ServerName, user->dhost,user->nick,reason);
2120                 WriteOpers("*** Remote kill from %s by %s: %s!%s@%s (%s)",source->name,user->nick,u->nick,u->ident,u->host,reason);
2121                 snprintf(kreason,MAXBUF,"[%s] Killed (From: '%s' (%s))",source->name,user->nick,reason);
2122                 kill_link(u,kreason);
2123         }
2124 }
2125
2126 void handle_Q(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2127 {
2128         char* nick = strtok(params," :");
2129         char* reason = strtok(NULL,"\r\n");
2130         reason++;
2131
2132         userrec* user = Find(nick);
2133
2134         if (user)
2135         {
2136                 if (strlen(reason)>MAXQUIT)
2137                 {
2138                         reason[MAXQUIT-1] = '\0';
2139                 }
2140
2141
2142                 WriteCommonExcept(user,"QUIT :%s",reason);
2143
2144                 user_hash::iterator iter = clientlist.find(user->nick);
2145
2146                 if (iter != clientlist.end())
2147                 {
2148                         log(DEBUG,"deleting user hash value %d",iter->second);
2149                         clientlist.erase(iter);
2150                 }
2151
2152                 if (user->registered == 7)
2153                 {
2154                         purge_empty_chans(user);
2155                 }
2156                 delete user;
2157         }
2158 }
2159
2160 void handle_n(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2161 {
2162         char* oldnick = strtok(params," ");
2163         char* newnick = strtok(NULL," ");
2164
2165         userrec* user = Find(oldnick);
2166
2167         if (user)
2168         {
2169                 if (is_uline(tcp_host))
2170                 {
2171                         int MOD_RESULT = 0;
2172                         FOREACH_RESULT(OnUserPreNick(user,newnick));
2173                         if (MOD_RESULT) {
2174                                 // if a module returns true, the nick change couldnt be allowed
2175                                 statsCollisions++;
2176                                 kill_link(user,"Nickname collision");
2177                                 return;
2178                         }
2179                         if (matches_qline(newnick))
2180                         {
2181                                 statsCollisions++;
2182                                 kill_link(user,"Nickname collision");
2183                                 return;
2184                         }
2185
2186                         // broadcast this because its a services thingy
2187                         char buffer[MAXBUF];
2188                         snprintf(buffer,MAXBUF,"n %s %s",user->nick,newnick);
2189                         NetSendToAllExcept(tcp_host,buffer);
2190                 }
2191                 WriteCommon(user,"NICK %s",newnick);
2192                 user = ReHashNick(user->nick, newnick);
2193                 if (!user) return;
2194                 if (!user->nick) return;
2195                 strlcpy(user->nick, newnick,NICKMAX);
2196                 log(DEBUG,"new nick set: %s",user->nick);
2197         }
2198 }
2199
2200 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2201 void handle_k(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2202 {
2203         char* src = strtok(params," ");
2204         char* dest = strtok(NULL," ");
2205         char* channel = strtok(NULL," :");
2206         char* reason = strtok(NULL,"\r\n");
2207         reason++;
2208         userrec* s = Find(src);
2209         userrec* d = Find(dest);
2210         chanrec* c = FindChan(channel);
2211         if ((s) && (d) && (c))
2212         {
2213                 kick_channel(s,d,c,reason);
2214                 return;
2215         }
2216         d = Find(channel);
2217         c = FindChan(dest);
2218         if ((s) && (d) && (c))
2219         {
2220                 kick_channel(s,d,c,reason);
2221                 return;
2222         }
2223 }
2224
2225 void handle_AT(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2226 {
2227         char* who = strtok(params," :");
2228         char* text = strtok(NULL,"\r\n");
2229         text++;
2230         userrec* s = Find(who);
2231         if (s)
2232         {
2233                 WriteWallOps(s,true,text);
2234         }
2235 }
2236
2237 void handle_H(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2238 {
2239         log(DEBUG,"Adding ULined server %s to my map",params);
2240         ircd_connector s;
2241         s.SetState(STATE_DISCONNECTED);
2242         s.SetServerName(params);
2243
2244         for (int j = 0; j < 32; j++)
2245         {
2246                 if (me[j] != NULL)
2247                 {
2248                         for (int k = 0; k < me[j]->connectors.size(); k++)
2249                         {
2250                                 if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),params))
2251                                 {
2252                                         // dont allow a server to be added twice
2253                                         log(DEBUG,"ULined server %s already in the map!",params);
2254                                         return;
2255                                 }
2256                         }
2257                 }
2258         }
2259
2260         source->connectors.push_back(s);
2261         WriteOpers("Non-Mesh server %s has joined the network",params);
2262 }
2263
2264 void handle_N(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2265 {
2266         char* tm = strtok(params," ");
2267         char* nick = strtok(NULL," ");
2268         char* host = strtok(NULL," ");
2269         char* dhost = strtok(NULL," ");
2270         char* ident = strtok(NULL," ");
2271         char* modes = strtok(NULL," ");
2272         char* ipaddr = strtok(NULL," ");
2273         char* server = strtok(NULL," :");
2274         char* gecos = strtok(NULL,"\r\n");
2275         gecos++;
2276         modes++;
2277         time_t TS = atoi(tm);
2278         user_hash::iterator iter = clientlist.find(nick);
2279         if (iter != clientlist.end())
2280         {
2281                 // nick collision
2282                 statsCollisions++;
2283                 WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
2284                 char str[MAXBUF];
2285                 snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
2286                 WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
2287                 kill_link(iter->second,str);
2288         }
2289         clientlist[nick] = new userrec();
2290         // remote users have an fd of -1. This is so that our Write abstraction
2291         // routines know to route any messages to this record away to whatever server
2292         // theyre on.
2293         clientlist[nick]->fd = -1;
2294         strlcpy(clientlist[nick]->nick, nick,NICKMAX);
2295         strlcpy(clientlist[nick]->host, host,160);
2296         strlcpy(clientlist[nick]->dhost, dhost,160);
2297         strlcpy(clientlist[nick]->server, server,256);
2298         strlcpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
2299         strlcpy(clientlist[nick]->fullname, gecos,128);
2300         strlcpy(clientlist[nick]->ip,ipaddr,32);
2301         clientlist[nick]->signon = TS;
2302         clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
2303         clientlist[nick]->lastping = 1;
2304         clientlist[nick]->port = 0; // so is this...
2305         clientlist[nick]->registered = 7; // this however we need to set for them to receive messages and appear online
2306         clientlist[nick]->idle_lastmsg = TIME; // this is unrealiable and wont actually be used locally
2307         for (int i = 0; i < MAXCHANS; i++)
2308         {
2309                 clientlist[nick]->chans[i].channel = NULL;
2310                 clientlist[nick]->chans[i].uc_modes = 0;
2311         }
2312         FOREACH_MOD OnGlobalConnect(clientlist[nick]);
2313         if (strchr(clientlist[nick]->modes,'o'))
2314         {
2315                 FOREACH_MOD OnGlobalOper(clientlist[nick]);
2316         }
2317 }
2318
2319 void handle_F(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2320 {
2321         long tdiff = TIME - atoi(params);
2322         if (tdiff)
2323                 WriteOpers("TS split for %s -> %s: %d",source->name,reply->name,tdiff);
2324 }
2325
2326 void handle_a(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2327 {
2328         char* nick = strtok(params," :");
2329         char* gecos = strtok(NULL,"\r\n");
2330
2331         userrec* user = Find(nick);
2332
2333         if (user)
2334                 strlcpy(user->fullname,gecos,MAXBUF);
2335 }
2336
2337 void handle_b(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2338 {
2339         char* nick = strtok(params," ");
2340         char* host = strtok(NULL," ");
2341
2342         userrec* user = Find(nick);
2343
2344         if (user)
2345                 strlcpy(user->dhost,host,160);
2346 }
2347
2348 void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2349 {
2350         // %s %s %d %d
2351         // + test3.chatspike.net 7010 -2016508415
2352         char* servername = strtok(params," ");
2353         char* ipaddr = strtok(NULL," ");
2354         char* ipport = strtok(NULL," ");
2355         char* cookie = strtok(NULL," ");
2356         log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
2357
2358
2359         bool conn_already = false;
2360         for (int i = 0; i < 32; i++)
2361         {
2362                 if (me[i] != NULL)
2363                 {
2364                         for (int j = 0; j < me[i]->connectors.size(); j++)
2365                         {
2366                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
2367                                 {
2368                                         if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
2369                                         {
2370                                                 log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
2371                                                 conn_already = true;
2372                                         }
2373                                 }
2374                         }
2375                 }
2376         }
2377         if (!conn_already)
2378                 me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
2379 }
2380
2381 void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2382 {
2383         char* server = strtok(params," ");
2384         char* data = strtok(NULL,"\r\n");
2385         if ((!data) || (!server))
2386         {
2387                 log(DEBUG,"Someones playing silly buggers, attempting to send to a null server or send a null message (BUG?)");
2388                 return;
2389         }
2390
2391         log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
2392         NetSendToOne(server,data);
2393 }
2394
2395 void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2396 {
2397         // IMPORTANT NOTE
2398         // The J token currently has no timestamp - this needs looking at
2399         // because it will allow splitriding.
2400         char* nick = strtok(params," ");
2401         char* channel = strtok(NULL," ");
2402         userrec* user = Find(nick);
2403         while (channel)
2404         {
2405                 if ((user != NULL) && (strcmp(channel,"")))
2406                 {
2407                         char privilage = '\0';
2408                         if (channel[0] != '#')
2409                         {
2410                                 privilage = channel[0];
2411                                 channel++;
2412                         }
2413                         add_channel(user,channel,"",true);
2414
2415                         // now work out the privilages they should have on each channel
2416                         // and send the appropriate servermodes.
2417                         for (int i = 0; i != MAXCHANS; i++)
2418                         {
2419                                 if (user->chans[i].channel)
2420                                 {
2421                                         if (!strcasecmp(user->chans[i].channel->name,channel))
2422                                         {
2423                                                 if (privilage == '@')
2424                                                 {
2425                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_OP;
2426                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +o %s",channel,user->nick);
2427                                                 }
2428                                                 if (privilage == '%')
2429                                                 {
2430                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_HOP;
2431                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +h %s",channel,user->nick);
2432                                                 }
2433                                                 if (privilage == '+')
2434                                                 {
2435                                                         user->chans[i].uc_modes = user->chans[i].uc_modes | UCMODE_VOICE;
2436                                                         WriteChannelLocal(user->chans[i].channel, NULL, "MODE %s +v %s",channel,user->nick);
2437                                                 }
2438                                         }
2439                                 }
2440                         }
2441
2442                 }
2443                 channel = strtok(NULL," ");
2444         }
2445 }
2446
2447 void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2448 {
2449         log(DEBUG,"Storing routing table...");
2450         char* sourceserver = strtok(params," ");
2451         char* server = strtok(NULL," ");
2452         for (int i = 0; i < 32; i++)
2453         {
2454                 if (me[i] != NULL)
2455                 {
2456                         for (int j = 0; j < me[i]->connectors.size(); j++)
2457                         {
2458                                 if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
2459                                 {
2460                                         me[i]->connectors[j].routes.clear();
2461                                         log(DEBUG,"Found entry for source server.");
2462                                         while (server)
2463                                         {
2464                                                 // store each route
2465                                                 me[i]->connectors[j].routes.push_back(server);
2466                                                 log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
2467                                                 server = strtok(NULL," ");
2468                                         }
2469                                         return;
2470                                 }
2471                         }
2472                 }
2473         }
2474         log(DEBUG,"Warning! routing table received from nonexistent server!");
2475 }
2476
2477 void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2478 {
2479         log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
2480         WriteOpers("*** NOTICE - Controlled netsplit: %s split from %s",params,ServerName);
2481         bool go_again = true;
2482         while (go_again)
2483         {
2484                 go_again = false;
2485                 for (int i = 0; i < 32; i++)
2486                 {
2487                         if (me[i] != NULL)
2488                         {
2489                                 for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
2490                                 {
2491                                         if (!strcasecmp(j->GetServerName().c_str(),params))
2492                                         {
2493                                                 j->routes.clear();
2494                                                 j->CloseConnection();
2495                                                 me[i]->connectors.erase(j);
2496                                                 go_again = true;
2497                                                 break;
2498                                         }
2499                                 }
2500                         }
2501                 }
2502         }
2503         log(DEBUG,"Removed server. Will remove clients...");
2504         // iterate through the userlist and remove all users on this server.
2505         // because we're dealing with a mesh, we dont have to deal with anything
2506         // "down-route" from this server (nice huh)
2507         go_again = true;
2508         char reason[MAXBUF];
2509         snprintf(reason,MAXBUF,"%s %s",ServerName,params);
2510         while (go_again)
2511         {
2512                 go_again = false;
2513                 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
2514                 {
2515                         if (!strcasecmp(u->second->server,params))
2516                         {
2517                                 kill_link(u->second,reason);
2518                                 go_again = true;
2519                                 break;
2520                         }
2521                 }
2522         }
2523 }
2524
2525 unsigned long authcookie;
2526
2527 void handle_hash(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2528 {
2529         // # <mask> <who-set-it> <time-set> <duration> :<reason>
2530         log(DEBUG,"Adding G-line");
2531         char* mask = strtok(params," ");
2532         char* who = strtok(NULL," ");
2533         char* create_time = strtok(NULL," ");
2534         char* duration = strtok(NULL," :");
2535         char* reason = strtok(NULL,"\r\n");
2536         reason++;
2537         add_gline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2538         // we must update the creation time on this gline
2539         // now that we've added it, or it wont expire at the right time.
2540         gline_set_creation_time(mask,atoi(create_time));
2541         if (!atoi(duration))
2542         {
2543                 WriteOpers("*** %s Added permenant G-Line on %s.",who,mask);
2544         }
2545         else
2546         {
2547                 WriteOpers("*** %s Added timed G-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2548         }
2549         apply_lines();
2550 }
2551
2552 void handle_dot(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2553 {
2554         log(DEBUG,"Removing G-line");
2555         char* mask = strtok(params," ");
2556         char* who = strtok(NULL," ");
2557         if (mask)
2558         {
2559                 if (del_gline((const char*)mask))
2560                 {
2561                         if (who)
2562                         {
2563                                 WriteOpers("*** %s Removed G-line on %s.",who,mask);
2564                         }
2565                 }
2566         }
2567 }
2568
2569 void handle_add_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2570 {
2571         // { <mask> <who-set-it> <time-set> <duration> :<reason>
2572         log(DEBUG,"Adding Q-line");
2573         char* mask = strtok(params," ");
2574         char* who = strtok(NULL," ");
2575         char* create_time = strtok(NULL," ");
2576         char* duration = strtok(NULL," :");
2577         char* reason = strtok(NULL,"\r\n");
2578         reason++;
2579         add_qline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2580         // we must update the creation time on this gline
2581         // now that we've added it, or it wont expire at the right time.
2582         qline_set_creation_time(mask,atoi(create_time));
2583         qline_make_global(mask);
2584         if (!atoi(duration))
2585         {
2586                 WriteOpers("*** %s Added permenant Q-Line on %s.",who,mask);
2587         }
2588         else
2589         {
2590                 WriteOpers("*** %s Added timed Q-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2591         }
2592         apply_lines();
2593 }
2594
2595 void handle_del_sqline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2596 {
2597         log(DEBUG,"Removing Q-line");
2598         char* mask = strtok(params," ");
2599         char* who = strtok(NULL," ");
2600         if (mask)
2601         {
2602                 if (del_qline((const char*)mask))
2603                 {
2604                         if (who)
2605                         {
2606                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2607                         }
2608                 }
2609         }
2610 }
2611
2612 void handle_add_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2613 {
2614         // } <mask> <who-set-it> <time-set> <duration> :<reason>
2615         log(DEBUG,"Adding Z-line");
2616         char* mask = strtok(params," ");
2617         char* who = strtok(NULL," ");
2618         char* create_time = strtok(NULL," ");
2619         char* duration = strtok(NULL," :");
2620         char* reason = strtok(NULL,"\r\n");
2621         reason++;
2622         add_zline(atoi(duration),(const char*)who,(const char*)reason,(const char*)mask);
2623         // we must update the creation time on this gline
2624         // now that we've added it, or it wont expire at the right time.
2625         zline_set_creation_time(mask,atoi(create_time));
2626         zline_make_global(mask);
2627         if (!atoi(duration))
2628         {
2629                 WriteOpers("*** %s Added permenant Z-Line on %s.",who,mask);
2630         }
2631         else
2632         {
2633                 WriteOpers("*** %s Added timed Z-Line on %s to expire in %d seconds.",who,mask,atoi(duration));
2634         }
2635         apply_lines();
2636 }
2637
2638 void handle_del_szline(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2639 {
2640         log(DEBUG,"Removing Z-line");
2641         char* mask = strtok(params," ");
2642         char* who = strtok(NULL," ");
2643         if (mask)
2644         {
2645                 if (del_zline((const char*)mask))
2646                 {
2647                         if (who)
2648                         {
2649                                 WriteOpers("*** %s Removed Q-line on %s.",who,mask);
2650                         }
2651                 }
2652         }
2653 }
2654
2655 void handle_pipe(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host)
2656 {
2657         char* nick = strtok(params," ");
2658         char* type = strtok(params," ");
2659         userrec* u = Find(nick);
2660         if (u)
2661         {
2662                 strlcpy(u->oper,type,NICKMAX);
2663         }
2664 }
2665
2666
2667 void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* tcp_host,char* ipaddr,int port)
2668 {
2669         char buffer[MAXBUF];
2670         int MOD_RESULT = 0;
2671
2672         switch(token)
2673         {
2674                 // Y <TS>
2675                 // start netburst
2676                 case 'Y':
2677                         nb_start = TIME;
2678                         WriteOpers("Server %s is starting netburst.",tcp_host);
2679                         // now broadcast this new servers address out to all servers that are linked to us,
2680                         // except the newcomer. They'll all attempt to connect back to it.
2681                         authcookie = rand()*rand();
2682                         snprintf(buffer,MAXBUF,"~ %lu",(unsigned long)authcookie);
2683                         NetSendToAll(buffer);
2684                 break;
2685                 // ~
2686                 // Store authcookie
2687                 // once stored, this authcookie permits other servers to log in
2688                 // without user or password, using it.
2689                 case '~':
2690                         auth_cookies.push_back(atoi(params));
2691                         log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
2692                 break;
2693                 // connect back to a server using an authcookie
2694                 case '+':
2695                         handle_plus(token,params,source,reply,tcp_host);
2696                 break;
2697                 // routing table
2698                 case '$':
2699                         handle_dollar(token,params,source,reply,tcp_host);
2700                 break;
2701                 // node unreachable - we cant route to a server, sooooo we slit it off.
2702                 // servers can generate these for themselves for an squit.
2703                 case '&':
2704                         handle_amp(token,params,source,reply,tcp_host);
2705                 break;
2706                 // R <server> <data>
2707                 // redirect token, send all of <data> along to the given
2708                 // server as this server has been found to still have a route to it
2709                 case 'R':
2710                         handle_R(token,params,source,reply,tcp_host);
2711                 break;
2712                 // ?
2713                 // ping
2714                 case '?':
2715                         reply->SendPacket("!",tcp_host);
2716                 break;
2717                 // ?
2718                 // pong
2719                 case '!':
2720                 break;
2721                 // *
2722                 // no operation
2723                 case '*':
2724                 break;
2725                 // N <TS> <NICK> <HOST> <DHOST> <IDENT> <MODES> <SERVER> :<GECOS>
2726                 // introduce remote client
2727                 case 'N':
2728                         handle_N(token,params,source,reply,tcp_host);
2729                 break;
2730                 // a <NICK> :<GECOS>
2731                 // change GECOS (SETNAME)
2732                 case 'a':
2733                         handle_a(token,params,source,reply,tcp_host);
2734                 break;
2735                 // b <NICK> :<HOST>
2736                 // change displayed host (SETHOST)
2737                 case 'b':
2738                         handle_b(token,params,source,reply,tcp_host);
2739                 break;
2740                 // t <NICK> <CHANNEL> :<TOPIC>
2741                 // change a channel topic
2742                 case 't':
2743                         handle_t(token,params,source,reply,tcp_host);
2744                 break;
2745                 // i <NICK> <CHANNEL>
2746                 // invite a user to a channel
2747                 case 'i':
2748                         handle_i(token,params,source,reply,tcp_host);
2749                 break;
2750                 // k <SOURCE> <DEST> <CHANNEL> :<REASON>
2751                 // kick a user from a channel
2752                 case 'k':
2753                         handle_k(token,params,source,reply,tcp_host);
2754                 break;
2755                 // n <NICK> <NEWNICK>
2756                 // change nickname of client -- a server should only be able to
2757                 // change the nicknames of clients that reside on it unless
2758                 // they are ulined.
2759                 case 'n':
2760                         handle_n(token,params,source,reply,tcp_host);
2761                 break;
2762                 // J <NICK> <CHANLIST>
2763                 // Join user to channel list, merge channel permissions
2764                 case 'J':
2765                         handle_J(token,params,source,reply,tcp_host);
2766                 break;
2767                 // T <TS> <CHANNEL> <TOPICSETTER> :<TOPIC>
2768                 // change channel topic (netburst only)
2769                 case 'T':
2770                         handle_T(token,params,source,reply,tcp_host);
2771                 break;
2772                 // M <TARGET> <MODES> [MODE-PARAMETERS]
2773                 // Server setting modes on an object
2774                 case 'M':
2775                         handle_M(token,params,source,reply,tcp_host);
2776                 break;
2777                 // m <SOURCE> <TARGET> <MODES> [MODE-PARAMETERS]
2778                 // User setting modes on an object
2779                 case 'm':
2780                         handle_m(token,params,source,reply,tcp_host);
2781                 break;
2782                 // P <SOURCE> <TARGET> :<TEXT>
2783                 // Send a private/channel message
2784                 case 'P':
2785                         handle_P(token,params,source,reply,tcp_host);
2786                 break;
2787                 // V <SOURCE> <TARGET> :<TEXT>
2788                 // Send a private/channel notice
2789                 case 'V':
2790                         handle_V(token,params,source,reply,tcp_host);
2791                 break;
2792                 // v <servername> <arbitary version string>
2793                 case 'v':
2794                         handle_v(token,params,source,reply,tcp_host);
2795                 break;
2796                 // L <SOURCE> <CHANNEL> :<REASON>
2797                 // User parting a channel
2798                 case 'L':
2799                         handle_L(token,params,source,reply,tcp_host);
2800                 break;
2801                 // Q <SOURCE> :<REASON>
2802                 // user quitting
2803                 case 'Q':
2804                         handle_Q(token,params,source,reply,tcp_host);
2805                 break;
2806                 // H <SERVER>
2807                 // introduce non-meshable server (such as a services server)
2808                 case 'H':
2809                         handle_H(token,params,source,reply,tcp_host);
2810                 break;
2811                 // K <SOURCE> <DEST> :<REASON>
2812                 // remote kill
2813                 case 'K':
2814                         handle_K(token,params,source,reply,tcp_host);
2815                 break;
2816                 // @ <SOURCE> :<TEXT>
2817                 // wallops
2818                 case '@':
2819                         handle_AT(token,params,source,reply,tcp_host);
2820                 break;
2821                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2822                 // add gline
2823                 case '#':
2824                         handle_hash(token,params,source,reply,tcp_host);
2825                 break;
2826                 // . <mask> <who>
2827                 // remove gline
2828                 case '.':
2829                         handle_dot(token,params,source,reply,tcp_host);
2830                 break;
2831                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2832                 // add gline
2833                 case '{':
2834                         handle_add_sqline(token,params,source,reply,tcp_host);
2835                 break;
2836                 // . <mask> <who>
2837                 // remove gline
2838                 case '[':
2839                         handle_del_sqline(token,params,source,reply,tcp_host);
2840                 break;
2841                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
2842                 // add gline
2843                 case '}':
2844                         handle_add_szline(token,params,source,reply,tcp_host);
2845                 break;
2846                 // . <mask> <who>
2847                 // remove gline
2848                 case ']':
2849                         handle_del_szline(token,params,source,reply,tcp_host);
2850                 break;
2851                 // | <nick> <opertype>
2852                 // set opertype
2853                 case '|':
2854                         handle_pipe(token,params,source,reply,tcp_host);
2855                 break;
2856                 // F <TS>
2857                 // end netburst
2858                 case 'F':
2859                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2860                         handle_F(token,params,source,reply,tcp_host);
2861                         nb_start = 0;
2862                         // tell all the other servers to use this authcookie to connect back again
2863                         // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
2864                         snprintf(buffer,MAXBUF,"+ %s %s %d %lu",tcp_host,ipaddr,port,(unsigned long)authcookie);
2865                         NetSendToAllExcept(tcp_host,buffer);
2866                 break;
2867                 case '/':
2868                         WriteOpers("Server %s is IRCServices-based server (assumes-SVSMODE) - Nickname Services: %s",tcp_host,params);
2869                         strlcpy(source->nickserv,params,NICKMAX);
2870                 break;
2871                 // F <TS>
2872                 // end netburst with no mesh creation
2873                 case 'f':
2874                         WriteOpers("Server %s has completed netburst. (%d secs)",tcp_host,TIME-nb_start);
2875                         handle_F(token,params,source,reply,tcp_host);
2876                         nb_start = 0;
2877                         // tell everyone else about the new server name so they just add it in the disconnected
2878                         // state
2879                         snprintf(buffer,MAXBUF,"u %s :%s",tcp_host,GetServerDescription(tcp_host).c_str());
2880                         NetSendToAllExcept(tcp_host,buffer);
2881                 break;
2882                 // X <reserved>
2883                 // Send netburst now
2884                 case 'X':
2885                         WriteOpers("Sending my netburst to %s",tcp_host);
2886                         DoSync(source,tcp_host);
2887                         WriteOpers("Send of netburst to %s completed",tcp_host);
2888                         NetSendMyRoutingTable();
2889                 break;
2890                 // anything else
2891                 default:
2892                         MOD_RESULT = 0;
2893                         string_list s;
2894                         char* data = strtok(params," ");
2895                         while (data)
2896                         {
2897                                 if (*data == ':')
2898                                 {
2899                                         // the last item is a special case
2900                                         data++;
2901                                         char datalast[MAXBUF];
2902                                         strlcpy(datalast,data,MAXBUF);
2903                                         data = strtok(NULL," ");
2904                                         while (data)
2905                                         {
2906                                                 strlcpy(datalast," ",MAXBUF);
2907                                                 strlcpy(datalast,data,MAXBUF);
2908                                                 data = strtok(NULL," ");
2909                                         }
2910                                         s.push_back(data);
2911                                         break;
2912                                 }
2913                                 s.push_back(data);
2914                                 data = strtok(NULL," ");
2915                         }
2916                         FOREACH_RESULT(OnMeshToken(token,s,source,reply,tcp_host,ipaddr,port));
2917                         if (!MOD_RESULT)
2918                                 WriteOpers("WARNING! Unknown datagram type '%c'",token);
2919                 break;
2920         }
2921 }
2922
2923
2924 void handle_link_packet(char* udp_msg, char* tcp_host, serverrec *serv)
2925 {
2926         if ((!strncmp(udp_msg,"USER ",5)) || (!strncmp(udp_msg,"NICK ",5)) || (!strncmp(udp_msg,"PASS ",5)) || (!strncmp(udp_msg,"SERVER ",7)))
2927         {
2928                 // a user on a server port, just close their connection.
2929                 RemoveServer(tcp_host);
2930                 return;
2931         }
2932
2933         char response[10240];
2934         char token = udp_msg[0];
2935         char* old = udp_msg;
2936
2937         if ((token != ':') && (strlen(udp_msg)>1) && (udp_msg[1] != ' '))
2938         {
2939                 WriteOpers("*** Discarded %d chars illegal data from %s",strlen(udp_msg),tcp_host);
2940         }
2941
2942         if (token == ':') // leading :servername or details - strip them off (services does this, sucky)
2943         {
2944                 char* src = udp_msg+1;
2945                 while (udp_msg[0] != ' ')
2946                         udp_msg++;
2947                 udp_msg[0] = 0;
2948                 udp_msg++;
2949                 char* comd = udp_msg;
2950                 while (udp_msg[0] != ' ')
2951                         udp_msg++;
2952                 udp_msg[0] = 0;
2953                 udp_msg++;
2954                 char data[MAXBUF];
2955                 char source[MAXBUF];
2956                 char command[MAXBUF];
2957                 strlcpy(data,udp_msg,512);
2958                 strlcpy(source,src,MAXBUF);
2959                 strlcpy(command,comd,MAXBUF);
2960                 udp_msg = old;
2961
2962                 // unused numeric:
2963                 // :services-dev.chatspike.net 433 Craig Craig :Nickname is registered to someone else
2964                 if (!strcmp(command,"433"))
2965                 {
2966                         token = '*';
2967                 }
2968                 if (!strcmp(command,"432"))
2969                 {
2970                         token = '*';
2971                 }
2972                 if (!strcmp(command,"PING"))
2973                 {
2974                         token = '*';
2975                 }
2976                 if (!strcmp(command,"NOTICE"))
2977                 {
2978                         snprintf(udp_msg,MAXBUF,"V %s %s",source,data);
2979                         log(DEBUG,"Rewrote NOTICE from services to: '%s'",udp_msg);
2980                         token = udp_msg[0];
2981                 }
2982                 if (!strcmp(command,"QUIT"))
2983                 {
2984                         if ((!udp_msg) || (!strcmp(data,"")) || (strcmp(data,":")))
2985                         {
2986                                 strcpy(data,":No reason");
2987                         }
2988                         if (!strcmp(data,":"))
2989                         {
2990                                 strcpy(data,":No reason");
2991                         }
2992                         snprintf(udp_msg,MAXBUF,"Q %s %s",source,data);
2993                         log(DEBUG,"Rewrote QUIT from services to: '%s'",udp_msg);
2994                         token = udp_msg[0];
2995                 }
2996                 if (!strcmp(command,"SQUIT"))
2997                 {
2998                         snprintf(udp_msg,MAXBUF,"& %s",source);
2999                         log(DEBUG,"Rewrote SQUIT from services to: '%s'",udp_msg);
3000                         token = udp_msg[0];
3001                 }
3002                 if (!strcmp(command,"SVSMODE"))
3003                 {
3004                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3005                         log(DEBUG,"Rewrote SVSMODE from services to: '%s'",udp_msg);
3006                         token = udp_msg[0];
3007                 }
3008                 if (!strcmp(command,"SVS2MODE"))
3009                 {
3010                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3011                         log(DEBUG,"Rewrote SVS2MODE from services to: '%s'",udp_msg);
3012                         token = udp_msg[0];
3013                 }
3014                 // todo: this wont work without u:lines
3015                 // in give_ops etc allow nick on a u:lined serv to do just about anything
3016                 if (!strcmp(command,"MODE"))
3017                 {
3018                         snprintf(udp_msg,MAXBUF,"m %s %s",source,data);
3019                         log(DEBUG,"Rewrote MODE from services to: '%s'",udp_msg);
3020                         token = udp_msg[0];
3021                 }
3022                 if (!strcmp(command,"KICK"))
3023                 {
3024                         snprintf(udp_msg,MAXBUF,"k %s %s",source,data);
3025                         log(DEBUG,"Rewrote KICK from services to: '%s'",udp_msg);
3026                         token = udp_msg[0];
3027                 }
3028                 if (!strcmp(command,"KILL"))
3029                 {
3030                         snprintf(udp_msg,MAXBUF,"K %s %s",source,data);
3031                         log(DEBUG,"Rewrote KILL from services to: '%s'",udp_msg);
3032                         token = udp_msg[0];
3033                 }
3034                 if (!strcmp(command,"SVSJOIN"))
3035                 {
3036                         snprintf(udp_msg,MAXBUF,"J %s",data);
3037                         NetSendToOne(tcp_host,udp_msg);
3038                         char* nick = strtok(data," ");
3039                         char* chan = strtok(NULL," ");
3040                         log(DEBUG,"Rewrote SVSJOIN from services to: '%s'",udp_msg);
3041                         userrec* u = Find(nick);
3042                         if (u)
3043                         {
3044                                 add_channel(u,chan,"",true);
3045                         }
3046                         token = udp_msg[0];
3047                 }
3048
3049         }
3050
3051         char* params = udp_msg + 2;
3052         char finalparam[1024];
3053         strcpy(finalparam," :xxxx");
3054         if (strstr(udp_msg," :")) {
3055                 strlcpy(finalparam,strstr(udp_msg," :"),1024);
3056         }
3057
3058
3059         if (token == '-') {
3060                 char* cookie = strtok(params," ");
3061                 char* servername = strtok(NULL," ");
3062                 char* serverdesc = finalparam+2;
3063
3064                 WriteOpers("AuthCookie CONNECT from %s (%s)",servername,tcp_host);
3065
3066                 for (int u = 0; u < auth_cookies.size(); u++)
3067                 {
3068                         if (auth_cookies[u] == atoi(cookie))
3069                         {
3070                                 WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
3071
3072
3073                                 for (int j = 0; j < 32; j++)
3074                                 {
3075                                         if (me[j] != NULL)
3076                                         {
3077                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3078                                                 {
3079                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3080                                                         {
3081                                                                 me[j]->connectors[k].SetServerName(servername);
3082                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3083                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3084                                                                 NetSendMyRoutingTable();
3085                                                                 return;
3086                                                         }
3087                                                 }
3088                                         }
3089                                         WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",tcp_host);
3090                                         return;
3091                                 }
3092
3093
3094                                 return;
3095                         }
3096                 }
3097                 // bad cookie, bad bad! go sit in the corner!
3098                 WriteOpers("Bad cookie from %s!",servername);
3099                 return;
3100         }
3101         else
3102         if (token == 'S') {
3103                 // S test.chatspike.net password portn :ChatSpike InspIRCd test server
3104                 char* servername = strtok(params," ");
3105                 char* password = strtok(NULL," ");
3106                 char* myport = strtok(NULL," ");
3107                 char* revision = strtok(NULL," ");
3108                 char* serverdesc = finalparam+2;
3109
3110                 password = password;
3111
3112                 WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,tcp_host,atoi(myport));
3113
3114                 ircd_connector* cn = serv->FindHost(servername);
3115
3116                 if (cn)
3117                 {
3118                         WriteOpers("CONNECT aborted: Server %s already exists from %s",servername,ServerName);
3119                         char buffer[MAXBUF];
3120                         snprintf(buffer,MAXBUF,"E :Server %s already exists!",servername);
3121                         serv->SendPacket(buffer,tcp_host);
3122                         RemoveServer(tcp_host);
3123                         return;
3124                 }
3125
3126                 if (atoi(revision) != GetRevision())
3127                 {
3128                         WriteOpers("CONNECT aborted: Could not link to %s, is an incompatible version %s, our version is %d",servername,revision,GetRevision());
3129                         char buffer[MAXBUF];
3130                         snprintf(buffer,MAXBUF,"E :Version number mismatch");
3131                         serv->SendPacket(buffer,tcp_host);
3132                         RemoveServer(tcp_host);
3133                         RemoveServer(servername);
3134                         return;
3135                 }
3136
3137                 for (int j = 0; j < serv->connectors.size(); j++)
3138                 {
3139                         if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),tcp_host))
3140                         {
3141                                 serv->connectors[j].SetServerName(servername);
3142                                 serv->connectors[j].SetDescription(serverdesc);
3143                                 serv->connectors[j].SetServerPort(atoi(myport));
3144                         }
3145                 }
3146
3147
3148                 char Link_ServerName[1024];
3149                 char Link_IPAddr[1024];
3150                 char Link_Port[1024];
3151                 char Link_Pass[1024];
3152                 char Link_SendPass[1024];
3153                 int LinkPort = 0;
3154
3155                 // search for a corresponding <link> block in the config files
3156                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3157                 {
3158                         ConfValue("link","name",i,Link_ServerName,&config_f);
3159                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3160                         ConfValue("link","port",i,Link_Port,&config_f);
3161                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3162                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3163                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3164                         LinkPort = atoi(Link_Port);
3165                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3166                         {
3167                                 // we have a matching link line -
3168                                 // send a 'diminutive' server message back...
3169                                 snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
3170                                 serv->SendPacket(response,servername);
3171
3172                                 for (int t = 0; t < serv->connectors.size(); t++)
3173                                 {
3174                                         if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
3175                                         {
3176                                                 serv->connectors[t].SetState(STATE_CONNECTED);
3177                                         }
3178                                 }
3179
3180                                 return;
3181                         }
3182                 }
3183                 char buffer[MAXBUF];
3184                 snprintf(buffer,MAXBUF,"E :Access is denied (no matching link block)");
3185                 serv->SendPacket(buffer,tcp_host);
3186                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3187                 RemoveServer(tcp_host);
3188                 RemoveServer(servername);
3189                 return;
3190         }
3191         else
3192         if (token == 's') {
3193                 // S test.chatspike.net password :ChatSpike InspIRCd test server
3194                 char* servername = strtok(params," ");
3195                 char* password = strtok(NULL," ");
3196                 char* serverdesc = finalparam+2;
3197
3198                 password = password;
3199
3200                 // TODO: we should do a check here to ensure that this server is one we recently initiated a
3201                 // link with, and didnt hear an 's' or 'E' back from yet (these are the only two valid responses
3202                 // to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
3203                 // a connect, so put out an oper alert!
3204
3205                 // for now, just accept all, we'll fix that later.
3206                 WriteOpers("%s accepted our link credentials ",servername);
3207
3208                 char Link_ServerName[1024];
3209                 char Link_IPAddr[1024];
3210                 char Link_Port[1024];
3211                 char Link_Pass[1024];
3212                 char Link_SendPass[1024];
3213                 int LinkPort = 0;
3214
3215                 // search for a corresponding <link> block in the config files
3216                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3217                 {
3218                         ConfValue("link","name",i,Link_ServerName,&config_f);
3219                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3220                         ConfValue("link","port",i,Link_Port,&config_f);
3221                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3222                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3223                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3224                         LinkPort = atoi(Link_Port);
3225                         if (!strcasecmp(Link_ServerName,servername))
3226                         {
3227                                 // matching link at this end too, we're all done!
3228                                 // at this point we must begin key exchange and insert this
3229                                 // server into our 'active' table.
3230                                 for (int j = 0; j < 32; j++)
3231                                 {
3232                                         if (me[j] != NULL)
3233                                         {
3234                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3235                                                 {
3236                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3237                                                         {
3238                                                                 char buffer[MAXBUF];
3239                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3240                                                                 me[j]->connectors[k].SetState(STATE_CONNECTED);
3241                                                                 snprintf(buffer,MAXBUF,"X 0");
3242                                                                 serv->SendPacket(buffer,tcp_host);
3243                                                                 DoSync(me[j],tcp_host);
3244                                                                 NetSendMyRoutingTable();
3245                                                                 return;
3246                                                         }
3247                                                 }
3248                                         }
3249                                 }
3250                         }
3251                         else {
3252                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3253                         }
3254                 }
3255                 char buffer[MAXBUF];
3256                 snprintf(buffer,MAXBUF,"E :Access is denied (no matching link block)");
3257                 serv->SendPacket(buffer,tcp_host);
3258                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3259                 RemoveServer(tcp_host);
3260                 RemoveServer(servername);
3261                 return;
3262         }
3263         else
3264         if (token == 'U') {
3265                 // U services.chatspike.net password :ChatSpike Services
3266                 //
3267                 // non-meshed link, used by services. Everything coming from a non-meshed link is auto broadcasted.
3268                 char* servername = strtok(params," ");
3269                 char* password = strtok(NULL," ");
3270                 char* serverdesc = finalparam+2;
3271
3272                 char Link_ServerName[1024];
3273                 char Link_IPAddr[1024];
3274                 char Link_Port[1024];
3275                 char Link_Pass[1024];
3276                 char Link_SendPass[1024];
3277                 int LinkPort = 0;
3278
3279                 log(DEBUG,"U-token linked server detected.\n\nservername='%s' password='%s'\n\n",servername,password);
3280
3281
3282                 for (int j = 0; j < 32; j++)
3283                 {
3284                         if (me[j] != NULL)
3285                         {
3286                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3287                                 {
3288                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
3289                                         {
3290                                                 char buffer[MAXBUF];
3291                                                 snprintf(buffer,MAXBUF,"E :Access is denied (Server exists in the mesh)");
3292                                                 serv->SendPacket(buffer,tcp_host);
3293                                                 WriteOpers("CONNECT from %s denied, \"%s\" already exists!",tcp_host,servername);
3294                                                 RemoveServer(tcp_host);
3295                                                 return;
3296                                         }
3297                                 }
3298                         }
3299                 }
3300
3301                 // search for a corresponding <link> block in the config files
3302                 for (int i = 0; i < ConfValueEnum("link",&config_f); i++)
3303                 {
3304                         ConfValue("link","name",i,Link_ServerName,&config_f);
3305                         ConfValue("link","ipaddr",i,Link_IPAddr,&config_f);
3306                         ConfValue("link","port",i,Link_Port,&config_f);
3307                         ConfValue("link","recvpass",i,Link_Pass,&config_f);
3308                         ConfValue("link","sendpass",i,Link_SendPass,&config_f);
3309                         log(DEBUG,"(%d) Comparing against name='%s', ipaddr='%s', port='%s', recvpass='%s'",i,Link_ServerName,Link_IPAddr,Link_Port,Link_Pass);
3310                         LinkPort = atoi(Link_Port);
3311                         if ((!strcasecmp(Link_ServerName,servername)) && (!strcmp(Link_Pass,password)))
3312                         {
3313                                 // matching link at this end too, we're all done!
3314                                 // at this point we must begin key exchange and insert this
3315                                 // server into our 'active' table.
3316                                 for (int j = 0; j < 32; j++)
3317                                 {
3318                                         if (me[j] != NULL)
3319                                         {
3320                                                 for (int k = 0; k < me[j]->connectors.size(); k++)
3321                                                 {
3322                                                         if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),tcp_host))
3323                                                         {
3324                                                                 char buffer[MAXBUF];
3325                                                                 log(DEBUG,"Found matching link block");
3326                                                                 me[j]->connectors[k].SetDescription(serverdesc);
3327                                                                 me[j]->connectors[k].SetServerName(servername);
3328                                                                 me[j]->connectors[k].SetState(STATE_SERVICES);
3329                                                                 snprintf(buffer,MAXBUF,"X 0");
3330                                                                 serv->SendPacket(buffer,servername);
3331                                                                 snprintf(buffer,MAXBUF,"s %s %s %lu :%s",ServerName,Link_SendPass,LinkPort,ServerDesc);
3332                                                                 serv->SendPacket(buffer,servername);
3333                                                                 DoSync(me[j],servername);
3334                                                                 snprintf(buffer,MAXBUF,"H %s",servername);
3335                                                                 NetSendToAllExcept(servername,buffer);
3336                                                                 WriteOpers("Non-Mesh server %s has joined the network",servername);
3337                                                                 log(DEBUG,"******** SENDING MY ROUTING TABLE! *******");
3338                                                                 NetSendMyRoutingTable();
3339                                                                 return;
3340                                                         }
3341                                                 }
3342                                         }
3343                                 }
3344                         }
3345                         else {
3346                                 log(DEBUG,"Server names '%s' and '%s' don't match",Link_ServerName,servername);
3347                         }
3348                 }
3349                 log(DEBUG,"No matching link block found");
3350                 char buffer[MAXBUF];
3351                 snprintf(buffer,MAXBUF,"E :Access is denied (no matching link block)");
3352                 serv->SendPacket(buffer,tcp_host);
3353                 WriteOpers("CONNECT from %s denied, no matching link block",servername);
3354                 RemoveServer(tcp_host);
3355                 RemoveServer(servername);
3356                 return;
3357         }
3358         else
3359         if (token == 'E') {
3360                 char* error_message = finalparam+2;
3361                 WriteOpers("ERROR from %s: %s",tcp_host,error_message);
3362                 return;
3363         }
3364         else {
3365                 for (int j = 0; j < 32; j++)
3366                 {
3367                         if (me[j] != NULL)
3368                         {
3369                                 for (int x = 0; x < me[j]->connectors.size(); x++)
3370                                 {
3371                                         log(DEBUG,"Servers are: '%s' '%s'",tcp_host,me[j]->connectors[x].GetServerName().c_str());
3372                                         if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),tcp_host))
3373                                         {
3374                                                 if ((me[j]->connectors[x].GetState() == STATE_CONNECTED) || (me[j]->connectors[x].GetState() == STATE_SERVICES))
3375                                                 {
3376                                                         // found a valid ircd_connector.
3377                                                         process_restricted_commands(token,params,me[j],serv,tcp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
3378                                                         return;
3379                                                 }
3380                                         }
3381                                 }
3382                         }
3383                 }
3384
3385                 log(DEBUG,"Unrecognised token or unauthenticated host in datagram from %s: %c",tcp_host,token);
3386         }
3387 }
3388
3389 long duration(const char* str)
3390 {
3391         char n_field[MAXBUF];
3392         long total = 0;
3393         const char* str_end = str + strlen(str);
3394         n_field[0] = 0;
3395
3396         for (char* i = (char*)str; i < str_end; i++)
3397         {
3398                 // if we have digits, build up a string for the value in n_field,
3399                 // up to 10 digits in size.
3400                 if ((*i >= '0') && (*i <= '9'))
3401                 {
3402                         strlcat(n_field,i,10);
3403                 }
3404                 else
3405                 {
3406                         // we dont have a digit, check for numeric tokens
3407                         switch (tolower(*i))
3408                         {
3409                                 case 's':
3410                                         total += atoi(n_field);
3411                                 break;
3412
3413                                 case 'm':
3414                                         total += (atoi(n_field)*duration_m);
3415                                 break;
3416
3417                                 case 'h':
3418                                         total += (atoi(n_field)*duration_h);
3419                                 break;
3420
3421                                 case 'd':
3422                                         total += (atoi(n_field)*duration_d);
3423                                 break;
3424
3425                                 case 'w':
3426                                         total += (atoi(n_field)*duration_w);
3427                                 break;
3428
3429                                 case 'y':
3430                                         total += (atoi(n_field)*duration_y);
3431                                 break;
3432                         }
3433                         n_field[0] = 0;
3434                 }
3435         }
3436         // add trailing seconds
3437         total += atoi(n_field);
3438
3439         return total;
3440 }
3441
3442
3443 void handle_kline(char **parameters, int pcnt, userrec *user)
3444 {
3445         if (pcnt >= 3)
3446         {
3447                 add_kline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3448                 if (!duration(parameters[1]))
3449                 {
3450                         WriteOpers("*** %s added permenant K-line for %s.",user->nick,parameters[0]);
3451                 }
3452                 else
3453                 {
3454                         WriteOpers("*** %s added timed K-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3455                 }
3456         }
3457         else
3458         {
3459                 if (del_kline(parameters[0]))
3460                 {
3461                         WriteOpers("*** %s Removed K-line on %s.",user->nick,parameters[0]);
3462                 }
3463                 else
3464                 {
3465                         WriteServ(user->fd,"NOTICE %s :*** K-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3466                 }
3467         }
3468         apply_lines();
3469 }
3470
3471 void handle_eline(char **parameters, int pcnt, userrec *user)
3472 {
3473         if (pcnt >= 3)
3474         {
3475                 add_eline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3476                 if (!duration(parameters[1]))
3477                 {
3478                         WriteOpers("*** %s added permenant E-line for %s.",user->nick,parameters[0]);
3479                 }
3480                 else
3481                 {
3482                         WriteOpers("*** %s added timed E-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3483                 }
3484         }
3485         else
3486         {
3487                 if (del_eline(parameters[0]))
3488                 {
3489                         WriteOpers("*** %s Removed E-line on %s.",user->nick,parameters[0]);
3490                 }
3491                 else
3492                 {
3493                         WriteServ(user->fd,"NOTICE %s :*** E-Line %s not found in list, try /stats e.",user->nick,parameters[0]);
3494                 }
3495         }
3496         // no need to apply the lines for an eline
3497 }
3498
3499 void handle_gline(char **parameters, int pcnt, userrec *user)
3500 {
3501         char netdata[MAXBUF];
3502         if (pcnt >= 3)
3503         {
3504                 add_gline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3505                 // # <mask> <who-set-it> <time-set> <duration> :<reason>
3506                 snprintf(netdata,MAXBUF,"# %s %s %lu %lu :%s",parameters[0],user->nick,(unsigned long)TIME,(unsigned long)duration(parameters[1]),parameters[2]);
3507                 NetSendToAll(netdata);
3508                 if (!duration(parameters[1]))
3509                 {
3510                         WriteOpers("*** %s added permenant G-line for %s.",user->nick,parameters[0]);
3511                 }
3512                 else
3513                 {
3514                         WriteOpers("*** %s added timed G-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3515                 }
3516         }
3517         else
3518         {
3519                 if (del_gline(parameters[0]))
3520                 {
3521                         // . <mask> <who-removed-it>
3522                         snprintf(netdata,MAXBUF,". %s %s",parameters[0],user->nick);
3523                         WriteOpers("*** %s Removed G-line on %s.",user->nick,parameters[0]);
3524                 }
3525                 else
3526                 {
3527                         WriteServ(user->fd,"NOTICE %s :*** G-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
3528                 }
3529         }
3530         apply_lines();
3531 }
3532
3533 void handle_zline(char **parameters, int pcnt, userrec *user)
3534 {
3535         if (pcnt >= 3)
3536         {
3537                 add_zline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3538                 if (!duration(parameters[1]))
3539                 {
3540                         WriteOpers("*** %s added permenant Z-line for %s.",user->nick,parameters[0]);
3541                 }
3542                 else
3543                 {
3544                         WriteOpers("*** %s added timed Z-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3545                 }
3546         }
3547         else
3548         {
3549                 if (del_zline(parameters[0]))
3550                 {
3551                         WriteOpers("*** %s Removed Z-line on %s.",user->nick,parameters[0]);
3552                 }
3553                 else
3554                 {
3555                         WriteServ(user->fd,"NOTICE %s :*** Z-Line %s not found in list, try /stats Z.",user->nick,parameters[0]);
3556                 }
3557         }
3558         apply_lines();
3559 }
3560
3561 void handle_qline(char **parameters, int pcnt, userrec *user)
3562 {
3563         if (pcnt >= 3)
3564         {
3565                 add_qline(duration(parameters[1]),user->nick,parameters[2],parameters[0]);
3566                 if (!duration(parameters[1]))
3567                 {
3568                         WriteOpers("*** %s added permenant Q-line for %s.",user->nick,parameters[0]);
3569                 }
3570                 else
3571                 {
3572                         WriteOpers("*** %s added timed Q-line for %s, expires in %d seconds.",user->nick,parameters[0],duration(parameters[1]));
3573                 }
3574         }
3575         else
3576         {
3577                 if (del_qline(parameters[0]))
3578                 {
3579                         WriteOpers("*** %s Removed Q-line on %s.",user->nick,parameters[0]);
3580                 }
3581                 else
3582                 {
3583                         WriteServ(user->fd,"NOTICE %s :*** Q-Line %s not found in list, try /stats k.",user->nick,parameters[0]);
3584                 }
3585         }
3586         apply_lines();
3587 }
3588
3589