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