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