src/commands.cpp

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