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