src/commands.cpp

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