src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15
  16 #include "inspircd.h"
  17 #include <fstream>
  18 #include "xline.h"
  19 #include "exitcodes.h"
  20 #include "commands/cmd_whowas.h"
  21
  22 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  23
  24 /* Needs forward declaration */
  25 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  26
  27 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  28 {
  29         this->ClearStack();
  30         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  31         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  32         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  33         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  34         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  35         log_file = NULL;
  36         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  37         CycleHosts = writelog = AllowHalfop = true;
  38         dns_timeout = DieDelay = 5;
  39         MaxTargets = 20;
  40         NetBufferSize = 10240;
  41         SoftLimit = MAXCLIENTS;
  42         MaxConn = SOMAXCONN;
  43         MaxWhoResults = 0;
  44         debugging = 0;
  45         MaxChans = 20;
  46         OperMaxChans = 30;
  47         LogLevel = DEFAULT;
  48         maxbans.clear();
  49         DNSServerValidator = &ValidateDnsServer;
  50 }
  51
  52 void ServerConfig::ClearStack()
  53 {
  54         include_stack.clear();
  55 }
  56
  57 Module* ServerConfig::GetIOHook(int port)
  58 {
  59         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  60         return (x != IOHookModule.end() ? x->second : NULL);
  61 }
  62
  63 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  64 {
  65         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  66         return (x != SocketIOHookModule.end() ? x->second : NULL);
  67 }
  68
  69 bool ServerConfig::AddIOHook(int port, Module* iomod)
  70 {
  71         if (!GetIOHook(port))
  72         {
  73                 IOHookModule[port] = iomod;
  74                 return true;
  75         }
  76         else
  77         {
  78                 throw ModuleException("Port already hooked by another module");
  79                 return false;
  80         }
  81 }
  82
  83 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  84 {
  85         if (!GetIOHook(is))
  86         {
  87                 SocketIOHookModule[is] = iomod;
  88                 is->IsIOHooked = true;
  89                 return true;
  90         }
  91         else
  92         {
  93                 throw ModuleException("BufferedSocket derived class already hooked by another module");
  94                 return false;
  95         }
  96 }
  97
  98 bool ServerConfig::DelIOHook(int port)
  99 {
 100         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 101         if (x != IOHookModule.end())
 102         {
 103                 IOHookModule.erase(x);
 104                 return true;
 105         }
 106         return false;
 107 }
 108
 109 bool ServerConfig::DelIOHook(BufferedSocket* is)
 110 {
 111         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 112         if (x != SocketIOHookModule.end())
 113         {
 114                 SocketIOHookModule.erase(x);
 115                 return true;
 116         }
 117         return false;
 118 }
 119
 120 void ServerConfig::Update005()
 121 {
 122         std::stringstream out(data005);
 123         std::string token;
 124         std::string line5;
 125         int token_counter = 0;
 126         isupport.clear();
 127         while (out >> token)
 128         {
 129                 line5 = line5 + token + " ";
 130                 token_counter++;
 131                 if (token_counter >= 13)
 132                 {
 133                         char buf[MAXBUF];
 134                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 135                         isupport.push_back(buf);
 136                         line5.clear();
 137                         token_counter = 0;
 138                 }
 139         }
 140         if (!line5.empty())
 141         {
 142                 char buf[MAXBUF];
 143                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                 isupport.push_back(buf);
 145         }
 146 }
 147
 148 void ServerConfig::Send005(User* user)
 149 {
 150         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 151                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 152 }
 153
 154 bool ServerConfig::CheckOnce(char* tag)
 155 {
 156         int count = ConfValueEnum(this->config_data, tag);
 157
 158         if (count > 1)
 159         {
 160                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 161                 return false;
 162         }
 163         if (count < 1)
 164         {
 165                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 166                 return false;
 167         }
 168         return true;
 169 }
 170
 171 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 172 {
 173         return true;
 174 }
 175
 176 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 177 {
 178         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 179         {
 180                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 181                 data.Set(20);
 182         }
 183         return true;
 184 }
 185
 186 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 187 {
 188         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 189         {
 190                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 191                 data.Set(MAXCLIENTS);
 192         }
 193         return true;
 194 }
 195
 196 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 197 {
 198         if (data.GetInteger() > SOMAXCONN)
 199                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 200         return true;
 201 }
 202
 203 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 204 {
 205         std::stringstream dcmds(data);
 206         std::string thiscmd;
 207
 208         /* Enable everything first */
 209         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 210                 x->second->Disable(false);
 211
 212         /* Now disable all the ones which the user wants disabled */
 213         while (dcmds >> thiscmd)
 214         {
 215                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 216                 if (cm != ServerInstance->Parser->cmdlist.end())
 217                 {
 218                         cm->second->Disable(true);
 219                 }
 220         }
 221         return true;
 222 }
 223
 224 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 225 {
 226         if (!*(data.GetString()))
 227         {
 228                 std::string nameserver;
 229                 // attempt to look up their nameserver from /etc/resolv.conf
 230                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 231                 ifstream resolv("/etc/resolv.conf");
 232                 bool found_server = false;
 233
 234                 if (resolv.is_open())
 235                 {
 236                         while (resolv >> nameserver)
 237                         {
 238                                 if ((nameserver == "nameserver") && (!found_server))
 239                                 {
 240                                         resolv >> nameserver;
 241                                         data.Set(nameserver.c_str());
 242                                         found_server = true;
 243                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 244                                 }
 245                         }
 246
 247                         if (!found_server)
 248                         {
 249                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 250                                 data.Set("127.0.0.1");
 251                         }
 252                 }
 253                 else
 254                 {
 255                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 256                         data.Set("127.0.0.1");
 257                 }
 258         }
 259         return true;
 260 }
 261
 262 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 263 {
 264         /* If we already have a servername, and they changed it, we should throw an exception. */
 265         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 266         {
 267                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 268                 /* XXX: We don't actually reach this return of course... */
 269                 return false;
 270         }
 271         if (!strchr(data.GetString(),'.'))
 272         {
 273                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 274                 std::string moo = std::string(data.GetString()).append(".");
 275                 data.Set(moo.c_str());
 276         }
 277         return true;
 278 }
 279
 280 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 281 {
 282         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 283         {
 284                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 285                 data.Set(10240);
 286         }
 287         return true;
 288 }
 289
 290 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 291 {
 292         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 293         {
 294                 conf->GetInstance()->Log(DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 295                 data.Set(128);
 296         }
 297         return true;
 298 }
 299
 300 bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
 301 {
 302         std::string dbg = data.GetString();
 303         conf->LogLevel = DEFAULT;
 304
 305         if (dbg == "debug")
 306                 conf->LogLevel = DEBUG;
 307         else if (dbg  == "verbose")
 308                 conf->LogLevel = VERBOSE;
 309         else if (dbg == "default")
 310                 conf->LogLevel = DEFAULT;
 311         else if (dbg == "sparse")
 312                 conf->LogLevel = SPARSE;
 313         else if (dbg == "none")
 314                 conf->LogLevel = NONE;
 315
 316         conf->debugging = (conf->LogLevel == DEBUG);
 317
 318         return true;
 319 }
 320
 321 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 322 {
 323         conf->ReadFile(conf->MOTD, data.GetString());
 324         return true;
 325 }
 326
 327 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 328 {
 329         if (!*data.GetString())
 330                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 331         return true;
 332 }
 333
 334 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 335 {
 336         conf->ReadFile(conf->RULES, data.GetString());
 337         return true;
 338 }
 339
 340 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 341 {
 342         memset(conf->HideModeLists, 0, 256);
 343         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 344                 conf->HideModeLists[*x] = true;
 345         return true;
 346 }
 347
 348 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 349 {
 350         memset(conf->ExemptChanOps, 0, 256);
 351         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 352                 conf->ExemptChanOps[*x] = true;
 353         return true;
 354 }
 355
 356 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 357 {
 358         std::string v = data.GetString();
 359
 360         if (v == "ops")
 361                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 362         else if (v == "all")
 363                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 364         else if (v == "dynamic")
 365                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 366         else
 367                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 368
 369         return true;
 370 }
 371
 372 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 373 {
 374         int sid = data.GetInteger();
 375         if ((sid > 999) || (sid < 0))
 376         {
 377                 sid = sid % 1000;
 378                 data.Set(sid);
 379                 conf->GetInstance()->Log(DEFAULT,"WARNING: Server ID is less than 0 or greater than 999. Set to %d", sid);
 380         }
 381         return true;
 382 }
 383
 384 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 385 {
 386         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 387
 388         if (conf->WhoWasGroupSize < 0)
 389                 conf->WhoWasGroupSize = 0;
 390
 391         if (conf->WhoWasMaxGroups < 0)
 392                 conf->WhoWasMaxGroups = 0;
 393
 394         if (conf->WhoWasMaxKeep < 3600)
 395         {
 396                 conf->WhoWasMaxKeep = 3600;
 397                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 398         }
 399
 400         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 401         if (whowas_command)
 402         {
 403                 std::deque<classbase*> params;
 404                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 405         }
 406
 407         return true;
 408 }
 409
 410 /* Callback called before processing the first <connect> tag
 411  */
 412 bool InitConnect(ServerConfig* conf, const char*)
 413 {
 414         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 415         conf->Classes.clear();
 416         return true;
 417 }
 418
 419 /* Callback called to process a single <connect> tag
 420  */
 421 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 422 {
 423         ConnectClass c;
 424         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 425         const char* deny = values[1].GetString();
 426         const char* password = values[2].GetString();
 427         int timeout = values[3].GetInteger();
 428         int pingfreq = values[4].GetInteger();
 429         int flood = values[5].GetInteger();
 430         int threshold = values[6].GetInteger();
 431         int sendq = values[7].GetInteger();
 432         int recvq = values[8].GetInteger();
 433         int localmax = values[9].GetInteger();
 434         int globalmax = values[10].GetInteger();
 435         int port = values[11].GetInteger();
 436         const char* name = values[12].GetString();
 437         const char* parent = values[13].GetString();
 438         int maxchans = values[14].GetInteger();
 439
 440         if (*parent)
 441         {
 442                 /* Find 'parent' and inherit a new class from it,
 443                  * then overwrite any values that are set here
 444                  */
 445                 for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 446                 {
 447                         if (item->GetName() == parent)
 448                         {
 449                                 ConnectClass c(name, *item);
 450                                 c.Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port);
 451                                 conf->Classes.push_back(c);
 452                         }
 453                 }
 454                 throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 455         }
 456         else
 457         {
 458                 if (*allow)
 459                 {
 460                         ConnectClass c(name, timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans);
 461                         c.SetPort(port);
 462                         conf->Classes.push_back(c);
 463                 }
 464                 else
 465                 {
 466                         ConnectClass c(name, deny);
 467                         c.SetPort(port);
 468                         conf->Classes.push_back(c);
 469                 }
 470         }
 471
 472         return true;
 473 }
 474
 475 /* Callback called when there are no more <connect> tags
 476  */
 477 bool DoneConnect(ServerConfig*, const char*)
 478 {
 479         return true;
 480 }
 481
 482 /* Callback called before processing the first <uline> tag
 483  */
 484 bool InitULine(ServerConfig* conf, const char*)
 485 {
 486         conf->ulines.clear();
 487         return true;
 488 }
 489
 490 /* Callback called to process a single <uline> tag
 491  */
 492 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 493 {
 494         const char* server = values[0].GetString();
 495         const bool silent = values[1].GetBool();
 496         conf->ulines[server] = silent;
 497         return true;
 498 }
 499
 500 /* Callback called when there are no more <uline> tags
 501  */
 502 bool DoneULine(ServerConfig*, const char*)
 503 {
 504         return true;
 505 }
 506
 507 /* Callback called before processing the first <module> tag
 508  */
 509 bool InitModule(ServerConfig* conf, const char*)
 510 {
 511         old_module_names.clear();
 512         new_module_names.clear();
 513         added_modules.clear();
 514         removed_modules.clear();
 515         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 516         {
 517                 old_module_names.push_back(*t);
 518         }
 519         return true;
 520 }
 521
 522 /* Callback called to process a single <module> tag
 523  */
 524 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 525 {
 526         const char* modname = values[0].GetString();
 527         new_module_names.push_back(modname);
 528         return true;
 529 }
 530
 531 /* Callback called when there are no more <module> tags
 532  */
 533 bool DoneModule(ServerConfig*, const char*)
 534 {
 535         // now create a list of new modules that are due to be loaded
 536         // and a seperate list of modules which are due to be unloaded
 537         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 538         {
 539                 bool added = true;
 540
 541                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 542                 {
 543                         if (*old == *_new)
 544                                 added = false;
 545                 }
 546
 547                 if (added)
 548                         added_modules.push_back(*_new);
 549         }
 550
 551         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 552         {
 553                 bool removed = true;
 554                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 555                 {
 556                         if (*newm == *oldm)
 557                                 removed = false;
 558                 }
 559
 560                 if (removed)
 561                         removed_modules.push_back(*oldm);
 562         }
 563         return true;
 564 }
 565
 566 /* Callback called before processing the first <banlist> tag
 567  */
 568 bool InitMaxBans(ServerConfig* conf, const char*)
 569 {
 570         conf->maxbans.clear();
 571         return true;
 572 }
 573
 574 /* Callback called to process a single <banlist> tag
 575  */
 576 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 577 {
 578         const char* channel = values[0].GetString();
 579         int limit = values[1].GetInteger();
 580         conf->maxbans[channel] = limit;
 581         return true;
 582 }
 583
 584 /* Callback called when there are no more <banlist> tags.
 585  */
 586 bool DoneMaxBans(ServerConfig*, const char*)
 587 {
 588         return true;
 589 }
 590
 591 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 592 {
 593         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 594         if (bail)
 595         {
 596                 /* Unneeded because of the ServerInstance->Log() aboive? */
 597                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 598                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 599         }
 600         else
 601         {
 602                 std::string errors = errormessage;
 603                 std::string::size_type start;
 604                 unsigned int prefixlen;
 605                 start = 0;
 606                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 607                 if (user)
 608                 {
 609                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 610                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 611                         while (start < errors.length())
 612                         {
 613                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 614                                 start += 510 - prefixlen;
 615                         }
 616                 }
 617                 else
 618                 {
 619                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 620                         while (start < errors.length())
 621                         {
 622                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 623                                 start += 360;
 624                         }
 625                 }
 626                 return;
 627         }
 628 }
 629
 630 void ServerConfig::Read(bool bail, User* user)
 631 {
 632         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 633         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 634         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 635         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 636         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 637         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 638         std::ostringstream errstr;      /* String stream containing the error output */
 639
 640         /* These tags MUST occur and must ONLY occur once in the config file */
 641         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 642
 643         /* These tags can occur ONCE or not at all */
 644         InitialConfig Values[] = {
 645                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 646                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 647                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR, NoValidation},
 648                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 649                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 650                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 651                 {"server",      "id",           "0",                    new ValueContainerInt  (&this->sid),                    DT_INTEGER, ValidateSID},
 652                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 653                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 654                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 655                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 656                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 657                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR, ValidateNotEmpty},
 658                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 659                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR, ValidateNotEmpty},
 660                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 661                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR, NoValidation},
 662                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR, NoValidation},
 663                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 664                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 665                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 666                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 667                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_CHARPTR, DNSServerValidator},
 668                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, NoValidation},
 669                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR, NoValidation},
 670                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 671                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 672                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 673                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 674                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 675                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 676                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_CHARPTR, NoValidation},
 677                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 678                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 679                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 680                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 681                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 682                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR, ValidateInvite},
 683                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN, NoValidation},
 684                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR, ValidateModeLists},
 685                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR, ValidateExemptChanOps},
 686                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER, ValidateMaxTargets},
 687                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR, NoValidation},
 688                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 689                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 690                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 691                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 692                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 693                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER, NoValidation},
 694                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER, NoValidation},
 695                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING, NoValidation}
 696         };
 697
 698         /* These tags can occur multiple times, and therefore they have special code to read them
 699          * which is different to the code for reading the singular tags listed above.
 700          */
 701         MultiConfig MultiValues[] = {
 702
 703                 {"connect",
 704                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 705                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 706                                 "name",         "parent",       "maxchans",
 707                                 NULL},
 708                                 {"",            "",             "",             "",             "120",          "",
 709                                  "",            "",             "",             "3",            "3",            "0",
 710                                  "",            "",             "0",
 711                                  NULL},
 712                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 713                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 714                                  DT_CHARPTR,    DT_CHARPTR,     DT_INTEGER},
 715                                 InitConnect, DoConnect, DoneConnect},
 716
 717                 {"uline",
 718                                 {"server",      "silent",       NULL},
 719                                 {"",            "0",            NULL},
 720                                 {DT_CHARPTR,    DT_BOOLEAN},
 721                                 InitULine,DoULine,DoneULine},
 722
 723                 {"banlist",
 724                                 {"chan",        "limit",        NULL},
 725                                 {"",            "",             NULL},
 726                                 {DT_CHARPTR,    DT_INTEGER},
 727                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 728
 729                 {"module",
 730                                 {"name",        NULL},
 731                                 {"",            NULL},
 732                                 {DT_CHARPTR},
 733                                 InitModule, DoModule, DoneModule},
 734
 735                 {"badip",
 736                                 {"reason",      "ipmask",       NULL},
 737                                 {"No reason",   "",             NULL},
 738                                 {DT_CHARPTR,    DT_CHARPTR},
 739                                 InitXLine, DoZLine, DoneZLine},
 740
 741                 {"badnick",
 742                                 {"reason",      "nick",         NULL},
 743                                 {"No reason",   "",             NULL},
 744                                 {DT_CHARPTR,    DT_CHARPTR},
 745                                 InitXLine, DoQLine, DoneQLine},
 746
 747                 {"badhost",
 748                                 {"reason",      "host",         NULL},
 749                                 {"No reason",   "",             NULL},
 750                                 {DT_CHARPTR,    DT_CHARPTR},
 751                                 InitXLine, DoKLine, DoneKLine},
 752
 753                 {"exception",
 754                                 {"reason",      "host",         NULL},
 755                                 {"No reason",   "",             NULL},
 756                                 {DT_CHARPTR,    DT_CHARPTR},
 757                                 InitXLine, DoELine, DoneELine},
 758
 759                 {"type",
 760                                 {"name",        "classes",      NULL},
 761                                 {"",            "",             NULL},
 762                                 {DT_CHARPTR,    DT_CHARPTR},
 763                                 InitTypes, DoType, DoneClassesAndTypes},
 764
 765                 {"class",
 766                                 {"name",        "commands",     NULL},
 767                                 {"",            "",             NULL},
 768                                 {DT_CHARPTR,    DT_CHARPTR},
 769                                 InitClasses, DoClass, DoneClassesAndTypes},
 770
 771                 {NULL,
 772                                 {NULL},
 773                                 {NULL},
 774                                 {0},
 775                                 NULL, NULL, NULL}
 776         };
 777
 778         include_stack.clear();
 779
 780         /* Load and parse the config file, if there are any errors then explode */
 781
 782         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 783         ConfigDataHash newconfig;
 784
 785         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
 786         {
 787                 /* If we succeeded, set the ircd config to the new one */
 788                 this->config_data = newconfig;
 789         }
 790         else
 791         {
 792                 ReportConfigError(errstr.str(), bail, user);
 793                 return;
 794         }
 795
 796         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 797         try
 798         {
 799                 /* Check we dont have more than one of singular tags, or any of them missing
 800                  */
 801                 for (int Index = 0; Once[Index]; Index++)
 802                         if (!CheckOnce(Once[Index]))
 803                                 return;
 804
 805                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 806                  */
 807                 for (int Index = 0; Values[Index].tag; Index++)
 808                 {
 809                         char item[MAXBUF];
 810                         int dt = Values[Index].datatype;
 811                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 812                         dt &= ~DT_ALLOW_NEWLINE;
 813
 814                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 815                         ValueItem vi(item);
 816
 817                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 818                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 819
 820                         switch (Values[Index].datatype)
 821                         {
 822                                 case DT_CHARPTR:
 823                                 {
 824                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 825                                         /* Make sure we also copy the null terminator */
 826                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 827                                 }
 828                                 break;
 829                                 case DT_INTEGER:
 830                                 {
 831                                         int val = vi.GetInteger();
 832                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 833                                         vci->Set(&val, sizeof(int));
 834                                 }
 835                                 break;
 836                                 case DT_BOOLEAN:
 837                                 {
 838                                         bool val = vi.GetBool();
 839                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 840                                         vcb->Set(&val, sizeof(bool));
 841                                 }
 842                                 break;
 843                                 default:
 844                                         /* You don't want to know what happens if someones bad code sends us here. */
 845                                 break;
 846                         }
 847
 848                         /* We're done with this now */
 849                         delete Values[Index].val;
 850                 }
 851
 852                 /* Read the multiple-tag items (class tags, connect tags, etc)
 853                  * and call the callbacks associated with them. We have three
 854                  * callbacks for these, a 'start', 'item' and 'end' callback.
 855                  */
 856                 for (int Index = 0; MultiValues[Index].tag; Index++)
 857                 {
 858                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 859
 860                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 861
 862                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 863                         {
 864                                 ValueList vl;
 865                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 866                                 {
 867                                         int dt = MultiValues[Index].datatype[valuenum];
 868                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 869                                         dt &= ~DT_ALLOW_NEWLINE;
 870
 871                                         switch (dt)
 872                                         {
 873                                                 case DT_CHARPTR:
 874                                                 {
 875                                                         char item[MAXBUF];
 876                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 877                                                                 vl.push_back(ValueItem(item));
 878                                                         else
 879                                                                 vl.push_back(ValueItem(""));
 880                                                 }
 881                                                 break;
 882                                                 case DT_INTEGER:
 883                                                 {
 884                                                         int item = 0;
 885                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 886                                                                 vl.push_back(ValueItem(item));
 887                                                         else
 888                                                                 vl.push_back(ValueItem(0));
 889                                                 }
 890                                                 break;
 891                                                 case DT_BOOLEAN:
 892                                                 {
 893                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 894                                                         vl.push_back(ValueItem(item));
 895                                                 }
 896                                                 break;
 897                                                 default:
 898                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 899                                                 break;
 900                                         }
 901                                 }
 902
 903                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 904                         }
 905
 906                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 907                 }
 908
 909         }
 910
 911         catch (CoreException &ce)
 912         {
 913                 ReportConfigError(ce.GetReason(), bail, user);
 914                 return;
 915         }
 916
 917         // write once here, to try it out and make sure its ok
 918         ServerInstance->WritePID(this->PID);
 919
 920         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 921
 922         /* If we're rehashing, let's load any new modules, and unload old ones
 923          */
 924         if (!bail)
 925         {
 926                 int found_ports = 0;
 927                 FailedPortList pl;
 928                 ServerInstance->BindPorts(false, found_ports, pl);
 929
 930                 if (pl.size() && user)
 931                 {
 932                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 933                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
 934                         int j = 1;
 935                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 936                         {
 937                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 938                         }
 939                 }
 940
 941                 if (!removed_modules.empty())
 942                 {
 943                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 944                         {
 945                                 if (ServerInstance->Modules->Unload(removing->c_str()))
 946                                 {
 947                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 948
 949                                         if (user)
 950                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 951
 952                                         rem++;
 953                                 }
 954                                 else
 955                                 {
 956                                         if (user)
 957                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError());
 958                                 }
 959                         }
 960                 }
 961
 962                 if (!added_modules.empty())
 963                 {
 964                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 965                         {
 966                                 if (ServerInstance->Modules->Load(adding->c_str()))
 967                                 {
 968                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 969
 970                                         if (user)
 971                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 972
 973                                         add++;
 974                                 }
 975                                 else
 976                                 {
 977                                         if (user)
 978                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError());
 979                                 }
 980                         }
 981                 }
 982
 983                 ServerInstance->Log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
 984         }
 985
 986         /** Note: This is safe, the method checks for user == NULL */
 987         ServerInstance->Parser->SetupCommandTable(user);
 988
 989         if (user)
 990                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
 991         else
 992                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
 993 }
 994
 995 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 996 {
 997         std::ifstream conf(filename);
 998         std::string line;
 999         char ch;
1000         long linenumber;
1001         bool in_tag;
1002         bool in_quote;
1003         bool in_comment;
1004         int character_count = 0;
1005
1006         linenumber = 1;
1007         in_tag = false;
1008         in_quote = false;
1009         in_comment = false;
1010
1011         /* Check if the file open failed first */
1012         if (!conf)
1013         {
1014                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1015                 return false;
1016         }
1017
1018         /* Fix the chmod of the file to restrict it to the current user and group */
1019         chmod(filename,0600);
1020
1021         for (unsigned int t = 0; t < include_stack.size(); t++)
1022         {
1023                 if (std::string(filename) == include_stack[t])
1024                 {
1025                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1026                         return false;
1027                 }
1028         }
1029
1030         /* It's not already included, add it to the list of files we've loaded */
1031         include_stack.push_back(filename);
1032
1033         /* Start reading characters... */
1034         while (conf.get(ch))
1035         {
1036
1037                 /*
1038                  * Fix for moronic windows issue spotted by Adremelech.
1039                  * Some windows editors save text files as utf-16, which is
1040                  * a total pain in the ass to parse. Users should save in the
1041                  * right config format! If we ever see a file where the first
1042                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1043                  * this is most likely a utf-16 file. Bail out and insult user.
1044                  */
1045                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1046                 {
1047                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1048                         return false;
1049                 }
1050
1051                 /*
1052                  * Here we try and get individual tags on separate lines,
1053                  * this would be so easy if we just made people format
1054                  * their config files like that, but they don't so...
1055                  * We check for a '<' and then know the line is over when
1056                  * we get a '>' not inside quotes. If we find two '<' and
1057                  * no '>' then die with an error.
1058                  */
1059
1060                 if ((ch == '#') && !in_quote)
1061                         in_comment = true;
1062
1063                 switch (ch)
1064                 {
1065                         case '\n':
1066                                 if (in_quote)
1067                                         line += '\n';
1068                                 linenumber++;
1069                         case '\r':
1070                                 if (!in_quote)
1071                                         in_comment = false;
1072                         case '\0':
1073                                 continue;
1074                         case '\t':
1075                                 ch = ' ';
1076                 }
1077
1078                 if(in_comment)
1079                         continue;
1080
1081                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1082                  * Note that this WILL NOT usually allow insertion of newlines,
1083                  * because a newline is two characters long. Use it primarily to
1084                  * insert the " symbol.
1085                  *
1086                  * Note that this also involves a further check when parsing the line,
1087                  * which can be found below.
1088                  */
1089                 if ((ch == '\\') && (in_quote) && (in_tag))
1090                 {
1091                         line += ch;
1092                         char real_character;
1093                         if (conf.get(real_character))
1094                         {
1095                                 if (real_character == 'n')
1096                                         real_character = '\n';
1097                                 line += real_character;
1098                                 continue;
1099                         }
1100                         else
1101                         {
1102                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1103                                 return false;
1104                         }
1105                 }
1106
1107                 if (ch != '\r')
1108                         line += ch;
1109
1110                 if (ch == '<')
1111                 {
1112                         if (in_tag)
1113                         {
1114                                 if (!in_quote)
1115                                 {
1116                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1117                                         return false;
1118                                 }
1119                         }
1120                         else
1121                         {
1122                                 if (in_quote)
1123                                 {
1124                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1125                                         return false;
1126                                 }
1127                                 else
1128                                 {
1129                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1130                                         in_tag = true;
1131                                 }
1132                         }
1133                 }
1134                 else if (ch == '"')
1135                 {
1136                         if (in_tag)
1137                         {
1138                                 if (in_quote)
1139                                 {
1140                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1141                                         in_quote = false;
1142                                 }
1143                                 else
1144                                 {
1145                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1146                                         in_quote = true;
1147                                 }
1148                         }
1149                         else
1150                         {
1151                                 if (in_quote)
1152                                 {
1153                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1154                                 }
1155                                 else
1156                                 {
1157                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1158                                 }
1159                         }
1160                 }
1161                 else if (ch == '>')
1162                 {
1163                         if (!in_quote)
1164                         {
1165                                 if (in_tag)
1166                                 {
1167                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1168                                         in_tag = false;
1169
1170                                         /*
1171                                          * If this finds an <include> then ParseLine can simply call
1172                                          * LoadConf() and load the included config into the same ConfigDataHash
1173                                          */
1174
1175                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1176                                                 return false;
1177
1178                                         line.clear();
1179                                 }
1180                                 else
1181                                 {
1182                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1183                                         return false;
1184                                 }
1185                         }
1186                 }
1187         }
1188
1189         /* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */
1190         if (in_comment || in_quote)
1191         {
1192                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1193                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1194         }
1195
1196         return true;
1197 }
1198
1199 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1200 {
1201         return this->LoadConf(target, filename.c_str(), errorstream);
1202 }
1203
1204 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1205 {
1206         std::string tagname;
1207         std::string current_key;
1208         std::string current_value;
1209         KeyValList results;
1210         bool got_name;
1211         bool got_key;
1212         bool in_quote;
1213
1214         got_name = got_key = in_quote = false;
1215
1216         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1217         {
1218                 if (!got_name)
1219                 {
1220                         /* We don't know the tag name yet. */
1221
1222                         if (*c != ' ')
1223                         {
1224                                 if (*c != '<')
1225                                 {
1226                                         tagname += *c;
1227                                 }
1228                         }
1229                         else
1230                         {
1231                                 /* We got to a space, we should have the tagname now. */
1232                                 if(tagname.length())
1233                                 {
1234                                         got_name = true;
1235                                 }
1236                         }
1237                 }
1238                 else
1239                 {
1240                         /* We have the tag name */
1241                         if (!got_key)
1242                         {
1243                                 /* We're still reading the key name */
1244                                 if (*c != '=')
1245                                 {
1246                                         if (*c != ' ')
1247                                         {
1248                                                 current_key += *c;
1249                                         }
1250                                 }
1251                                 else
1252                                 {
1253                                         /* We got an '=', end of the key name. */
1254                                         got_key = true;
1255                                 }
1256                         }
1257                         else
1258                         {
1259                                 /* We have the key name, now we're looking for quotes and the value */
1260
1261                                 /* Correctly handle escaped characters here.
1262                                  * See the XXX'ed section above.
1263                                  */
1264                                 if ((*c == '\\') && (in_quote))
1265                                 {
1266                                         c++;
1267                                         if (*c == 'n')
1268                                                 current_value += '\n';
1269                                         else
1270                                                 current_value += *c;
1271                                         continue;
1272                                 }
1273                                 else if ((*c == '\n') && (in_quote))
1274                                 {
1275                                         /* Got a 'real' \n, treat it as part of the value */
1276                                         current_value += '\n';
1277                                         linenumber++;
1278                                         continue;
1279                                 }
1280                                 else if ((*c == '\r') && (in_quote))
1281                                         /* Got a \r, drop it */
1282                                         continue;
1283
1284                                 if (*c == '"')
1285                                 {
1286                                         if (!in_quote)
1287                                         {
1288                                                 /* We're not already in a quote. */
1289                                                 in_quote = true;
1290                                         }
1291                                         else
1292                                         {
1293                                                 /* Leaving quotes, we have the value */
1294                                                 results.push_back(KeyVal(current_key, current_value));
1295
1296                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1297
1298                                                 in_quote = false;
1299                                                 got_key = false;
1300
1301                                                 if ((tagname == "include") && (current_key == "file"))
1302                                                 {
1303                                                         if (!this->DoInclude(target, current_value, errorstream))
1304                                                                 return false;
1305                                                 }
1306
1307                                                 current_key.clear();
1308                                                 current_value.clear();
1309                                         }
1310                                 }
1311                                 else
1312                                 {
1313                                         if (in_quote)
1314                                         {
1315                                                 current_value += *c;
1316                                         }
1317                                 }
1318                         }
1319                 }
1320         }
1321
1322         /* Finished parsing the tag, add it to the config hash */
1323         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1324
1325         return true;
1326 }
1327
1328 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1329 {
1330         std::string confpath;
1331         std::string newfile;
1332         std::string::size_type pos;
1333
1334         confpath = ServerInstance->ConfigFileName;
1335         newfile = file;
1336
1337         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1338         {
1339                 if (*c == '\\')
1340                 {
1341                         *c = '/';
1342                 }
1343         }
1344
1345         if (file[0] != '/')
1346         {
1347                 if((pos = confpath.rfind("/")) != std::string::npos)
1348                 {
1349                         /* Leaves us with just the path */
1350                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1351                 }
1352                 else
1353                 {
1354                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1355                         return false;
1356                 }
1357         }
1358
1359         return LoadConf(target, newfile, errorstream);
1360 }
1361
1362 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1363 {
1364         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1365 }
1366
1367 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1368 {
1369         std::string value;
1370         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1371         strlcpy(result, value.c_str(), length);
1372         return r;
1373 }
1374
1375 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1376 {
1377         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1378 }
1379
1380 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds)
1381 {
1382         ConfigDataHash::size_type pos = index;
1383         if (pos < target.count(tag))
1384         {
1385                 ConfigDataHash::iterator iter = target.find(tag);
1386
1387                 for(int i = 0; i < index; i++)
1388                         iter++;
1389
1390                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1391                 {
1392                         if(j->first == var)
1393                         {
1394                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1395                                 {
1396                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1397                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1398                                                 if (*n == '\n')
1399                                                         *n = ' ';
1400                                 }
1401                                 else
1402                                 {
1403                                         result = j->second;
1404                                         return true;
1405                                 }
1406                         }
1407                 }
1408                 if (!default_value.empty())
1409                 {
1410                         result = default_value;
1411                         return true;
1412                 }
1413         }
1414         else if(pos == 0)
1415         {
1416                 if (!default_value.empty())
1417                 {
1418                         result = default_value;
1419                         return true;
1420                 }
1421         }
1422         return false;
1423 }
1424
1425 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1426 {
1427         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1428 }
1429
1430 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1431 {
1432         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1433 }
1434
1435 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1436 {
1437         return ConfValueInteger(target, tag, var, "", index, result);
1438 }
1439
1440 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1441 {
1442         std::string value;
1443         std::istringstream stream;
1444         bool r = ConfValue(target, tag, var, default_value, index, value);
1445         stream.str(value);
1446         if(!(stream >> result))
1447                 return false;
1448         else
1449         {
1450                 if (!value.empty())
1451                 {
1452                         if (value.substr(0,2) == "0x")
1453                         {
1454                                 char* endptr;
1455
1456                                 value.erase(0,2);
1457                                 result = strtol(value.c_str(), &endptr, 16);
1458
1459                                 /* No digits found */
1460                                 if (endptr == value.c_str())
1461                                         return false;
1462                         }
1463                         else
1464                         {
1465                                 char denominator = *(value.end() - 1);
1466                                 switch (toupper(denominator))
1467                                 {
1468                                         case 'K':
1469                                                 /* Kilobytes -> bytes */
1470                                                 result = result * 1024;
1471                                         break;
1472                                         case 'M':
1473                                                 /* Megabytes -> bytes */
1474                                                 result = result * 1024 * 1024;
1475                                         break;
1476                                         case 'G':
1477                                                 /* Gigabytes -> bytes */
1478                                                 result = result * 1024 * 1024 * 1024;
1479                                         break;
1480                                 }
1481                         }
1482                 }
1483         }
1484         return r;
1485 }
1486
1487
1488 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1489 {
1490         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1491 }
1492
1493 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1494 {
1495         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1496 }
1497
1498 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1499 {
1500         return ConfValueBool(target, tag, var, "", index);
1501 }
1502
1503 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1504 {
1505         std::string result;
1506         if(!ConfValue(target, tag, var, default_value, index, result))
1507                 return false;
1508
1509         return ((result == "yes") || (result == "true") || (result == "1"));
1510 }
1511
1512 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1513 {
1514         return target.count(tag);
1515 }
1516
1517 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1518 {
1519         return target.count(tag);
1520 }
1521
1522 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1523 {
1524         return ConfVarEnum(target, std::string(tag), index);
1525 }
1526
1527 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1528 {
1529         ConfigDataHash::size_type pos = index;
1530
1531         if (pos < target.count(tag))
1532         {
1533                 ConfigDataHash::const_iterator iter = target.find(tag);
1534
1535                 for(int i = 0; i < index; i++)
1536                         iter++;
1537
1538                 return iter->second.size();
1539         }
1540
1541         return 0;
1542 }
1543
1544 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1545  */
1546 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1547 {
1548         if (!fname || !*fname)
1549                 return false;
1550
1551         FILE* file = NULL;
1552         char linebuf[MAXBUF];
1553
1554         F.clear();
1555
1556         if ((*fname != '/') && (*fname != '\\'))
1557         {
1558                 std::string::size_type pos;
1559                 std::string confpath = ServerInstance->ConfigFileName;
1560                 std::string newfile = fname;
1561
1562                 if ((pos = confpath.rfind("/")) != std::string::npos)
1563                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1564                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1565                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1566
1567                 if (!FileExists(newfile.c_str()))
1568                         return false;
1569                 file =  fopen(newfile.c_str(), "r");
1570         }
1571         else
1572         {
1573                 if (!FileExists(fname))
1574                         return false;
1575                 file =  fopen(fname, "r");
1576         }
1577
1578         if (file)
1579         {
1580                 while (!feof(file))
1581                 {
1582                         if (fgets(linebuf, sizeof(linebuf), file))
1583                                 linebuf[strlen(linebuf)-1] = 0;
1584                         else
1585                                 *linebuf = 0;
1586
1587                         if (!feof(file))
1588                         {
1589                                 F.push_back(*linebuf ? linebuf : " ");
1590                         }
1591                 }
1592
1593                 fclose(file);
1594         }
1595         else
1596                 return false;
1597
1598         return true;
1599 }
1600
1601 bool ServerConfig::FileExists(const char* file)
1602 {
1603         struct stat sb;
1604         if (stat(file, &sb) == -1)
1605                 return false;
1606
1607         if ((sb.st_mode & S_IFDIR) > 0)
1608                 return false;
1609
1610         FILE *input;
1611         if ((input = fopen (file, "r")) == NULL)
1612                 return false;
1613         else
1614         {
1615                 fclose(input);
1616                 return true;
1617         }
1618 }
1619
1620 char* ServerConfig::CleanFilename(char* name)
1621 {
1622         char* p = name + strlen(name);
1623         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1624         return (p != name ? ++p : p);
1625 }
1626
1627
1628 bool ServerConfig::DirValid(const char* dirandfile)
1629 {
1630 #ifdef WINDOWS
1631         return true;
1632 #endif
1633
1634         char work[1024];
1635         char buffer[1024];
1636         char otherdir[1024];
1637         int p;
1638
1639         strlcpy(work, dirandfile, 1024);
1640         p = strlen(work);
1641
1642         // we just want the dir
1643         while (*work)
1644         {
1645                 if (work[p] == '/')
1646                 {
1647                         work[p] = '\0';
1648                         break;
1649                 }
1650
1651                 work[p--] = '\0';
1652         }
1653
1654         // Get the current working directory
1655         if (getcwd(buffer, 1024 ) == NULL )
1656                 return false;
1657
1658         if (chdir(work) == -1)
1659                 return false;
1660
1661         if (getcwd(otherdir, 1024 ) == NULL )
1662                 return false;
1663
1664         if (chdir(buffer) == -1)
1665                 return false;
1666
1667         size_t t = strlen(work);
1668
1669         if (strlen(otherdir) >= t)
1670         {
1671                 otherdir[t] = '\0';
1672                 if (!strcmp(otherdir,work))
1673                 {
1674                         return true;
1675                 }
1676
1677                 return false;
1678         }
1679         else
1680         {
1681                 return false;
1682         }
1683 }
1684
1685 std::string ServerConfig::GetFullProgDir()
1686 {
1687         char buffer[PATH_MAX+1];
1688 #ifdef WINDOWS
1689         /* Windows has specific api calls to get the exe path that never fail.
1690          * For once, windows has something of use, compared to the POSIX code
1691          * for this, this is positively neato.
1692          */
1693         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1694         {
1695                 std::string fullpath = buffer;
1696                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1697                 return std::string(fullpath, 0, n);
1698         }
1699 #else
1700         // Get the current working directory
1701         if (getcwd(buffer, PATH_MAX))
1702         {
1703                 std::string remainder = this->argv[0];
1704
1705                 /* Does argv[0] start with /? its a full path, use it */
1706                 if (remainder[0] == '/')
1707                 {
1708                         std::string::size_type n = remainder.rfind("/inspircd");
1709                         return std::string(remainder, 0, n);
1710                 }
1711
1712                 std::string fullpath = std::string(buffer) + "/" + remainder;
1713                 std::string::size_type n = fullpath.rfind("/inspircd");
1714                 return std::string(fullpath, 0, n);
1715         }
1716 #endif
1717         return "/";
1718 }
1719
1720 InspIRCd* ServerConfig::GetInstance()
1721 {
1722         return ServerInstance;
1723 }
1724
1725 std::string ServerConfig::GetSID()
1726 {
1727         std::string OurSID;
1728         OurSID += (char)((sid / 100) + 48);
1729         OurSID += (char)((sid / 10) % 10 + 48);
1730         OurSID += (char)(sid % 10 + 48);
1731         return OurSID;
1732 }
1733
1734 ValueItem::ValueItem(int value)
1735 {
1736         std::stringstream n;
1737         n << value;
1738         v = n.str();
1739 }
1740
1741 ValueItem::ValueItem(bool value)
1742 {
1743         std::stringstream n;
1744         n << value;
1745         v = n.str();
1746 }
1747
1748 ValueItem::ValueItem(char* value)
1749 {
1750         v = value;
1751 }
1752
1753 void ValueItem::Set(char* value)
1754 {
1755         v = value;
1756 }
1757
1758 void ValueItem::Set(const char* value)
1759 {
1760         v = value;
1761 }
1762
1763 void ValueItem::Set(int value)
1764 {
1765         std::stringstream n;
1766         n << value;
1767         v = n.str();
1768 }
1769
1770 int ValueItem::GetInteger()
1771 {
1772         if (v.empty())
1773                 return 0;
1774         return atoi(v.c_str());
1775 }
1776
1777 char* ValueItem::GetString()
1778 {
1779         return (char*)v.c_str();
1780 }
1781
1782 bool ValueItem::GetBool()
1783 {
1784         return (GetInteger() || v == "yes" || v == "true");
1785 }
1786
1787
1788
1789
1790 /*
1791  * XXX should this be in a class? -- w00t
1792  */
1793 bool InitTypes(ServerConfig* conf, const char*)
1794 {
1795         if (conf->opertypes.size())
1796         {
1797                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
1798                 {
1799                         if (n->second)
1800                                 delete[] n->second;
1801                 }
1802         }
1803
1804         conf->opertypes.clear();
1805         return true;
1806 }
1807
1808 /*
1809  * XXX should this be in a class? -- w00t
1810  */
1811 bool InitClasses(ServerConfig* conf, const char*)
1812 {
1813         if (conf->operclass.size())
1814         {
1815                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
1816                 {
1817                         if (n->second)
1818                                 delete[] n->second;
1819                 }
1820         }
1821
1822         conf->operclass.clear();
1823         return true;
1824 }
1825
1826 /*
1827  * XXX should this be in a class? -- w00t
1828  */
1829 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
1830 {
1831         const char* TypeName = values[0].GetString();
1832         const char* Classes = values[1].GetString();
1833
1834         conf->opertypes[TypeName] = strnewdup(Classes);
1835         return true;
1836 }
1837
1838 /*
1839  * XXX should this be in a class? -- w00t
1840  */
1841 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
1842 {
1843         const char* ClassName = values[0].GetString();
1844         const char* CommandList = values[1].GetString();
1845
1846         conf->operclass[ClassName] = strnewdup(CommandList);
1847         return true;
1848 }
1849
1850 /*
1851  * XXX should this be in a class? -- w00t
1852  */
1853 bool DoneClassesAndTypes(ServerConfig*, const char*)
1854 {
1855         return true;
1856 }
1857