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