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         HideModeLists = 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                 {"options",     "hidemodes",    "0",                    new ValueContainerBool (&this->HideModeLists),          DT_BOOLEAN, NoValidation},
 606                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 607                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 608                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 609                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 610                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 611                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER, NoValidation},
 612                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER, NoValidation},
 613                 {NULL}
 614         };
 615
 616         /* These tags can occur multiple times, and therefore they have special code to read them
 617          * which is different to the code for reading the singular tags listed above.
 618          */
 619         MultiConfig MultiValues[] = {
 620
 621                 {"connect",
 622                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 623                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 624                                 NULL},
 625                                 {"",            "",             "",             "",             "120",          "",
 626                                  "",            "",             "",             "3",            "3",            "0",
 627                                  NULL},
 628                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 629                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 630                                 InitConnect, DoConnect, DoneConnect},
 631
 632                 {"uline",
 633                                 {"server",      "silent",       NULL},
 634                                 {"",            "0",            NULL},
 635                                 {DT_CHARPTR,    DT_BOOLEAN},
 636                                 InitULine,DoULine,DoneULine},
 637
 638                 {"banlist",
 639                                 {"chan",        "limit",        NULL},
 640                                 {"",            "",             NULL},
 641                                 {DT_CHARPTR,    DT_INTEGER},
 642                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 643
 644                 {"module",
 645                                 {"name",        NULL},
 646                                 {"",            NULL},
 647                                 {DT_CHARPTR},
 648                                 InitModule, DoModule, DoneModule},
 649
 650                 {"badip",
 651                                 {"reason",      "ipmask",       NULL},
 652                                 {"No reason",   "",             NULL},
 653                                 {DT_CHARPTR,    DT_CHARPTR},
 654                                 InitXLine, DoZLine, DoneZLine},
 655
 656                 {"badnick",
 657                                 {"reason",      "nick",         NULL},
 658                                 {"No reason",   "",             NULL},
 659                                 {DT_CHARPTR,    DT_CHARPTR},
 660                                 InitXLine, DoQLine, DoneQLine},
 661
 662                 {"badhost",
 663                                 {"reason",      "host",         NULL},
 664                                 {"No reason",   "",             NULL},
 665                                 {DT_CHARPTR,    DT_CHARPTR},
 666                                 InitXLine, DoKLine, DoneKLine},
 667
 668                 {"exception",
 669                                 {"reason",      "host",         NULL},
 670                                 {"No reason",   "",             NULL},
 671                                 {DT_CHARPTR,    DT_CHARPTR},
 672                                 InitXLine, DoELine, DoneELine},
 673
 674                 {"type",
 675                                 {"name",        "classes",      NULL},
 676                                 {"",            "",             NULL},
 677                                 {DT_CHARPTR,    DT_CHARPTR},
 678                                 InitTypes, DoType, DoneClassesAndTypes},
 679
 680                 {"class",
 681                                 {"name",        "commands",     NULL},
 682                                 {"",            "",             NULL},
 683                                 {DT_CHARPTR,    DT_CHARPTR},
 684                                 InitClasses, DoClass, DoneClassesAndTypes},
 685
 686                 {NULL}
 687         };
 688
 689         include_stack.clear();
 690
 691         /* Load and parse the config file, if there are any errors then explode */
 692
 693         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 694         ConfigDataHash newconfig;
 695
 696         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
 697         {
 698                 /* If we succeeded, set the ircd config to the new one */
 699                 this->config_data = newconfig;
 700         }
 701         else
 702         {
 703                 ReportConfigError(errstr.str(), bail, user);
 704                 return;
 705         }
 706
 707         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 708         try
 709         {
 710                 /* Check we dont have more than one of singular tags, or any of them missing
 711                  */
 712                 for (int Index = 0; Once[Index]; Index++)
 713                         if (!CheckOnce(Once[Index], bail, user))
 714                                 return;
 715
 716                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 717                  */
 718                 for (int Index = 0; Values[Index].tag; Index++)
 719                 {
 720                         char item[MAXBUF];
 721                         int dt = Values[Index].datatype;
 722                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 723                         dt &= ~DT_ALLOW_NEWLINE;
 724
 725                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 726                         ValueItem vi(item);
 727
 728                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 729                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 730
 731                         switch (Values[Index].datatype)
 732                         {
 733                                 case DT_CHARPTR:
 734                                 {
 735                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 736                                         /* Make sure we also copy the null terminator */
 737                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 738                                 }
 739                                 break;
 740                                 case DT_INTEGER:
 741                                 {
 742                                         int val = vi.GetInteger();
 743                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 744                                         vci->Set(&val, sizeof(int));
 745                                 }
 746                                 break;
 747                                 case DT_BOOLEAN:
 748                                 {
 749                                         bool val = vi.GetBool();
 750                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 751                                         vcb->Set(&val, sizeof(bool));
 752                                 }
 753                                 break;
 754                                 default:
 755                                         /* You don't want to know what happens if someones bad code sends us here. */
 756                                 break;
 757                         }
 758
 759                         /* We're done with this now */
 760                         delete Values[Index].val;
 761                 }
 762
 763                 /* Read the multiple-tag items (class tags, connect tags, etc)
 764                  * and call the callbacks associated with them. We have three
 765                  * callbacks for these, a 'start', 'item' and 'end' callback.
 766                  */
 767                 for (int Index = 0; MultiValues[Index].tag; Index++)
 768                 {
 769                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 770
 771                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 772
 773                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 774                         {
 775                                 ValueList vl;
 776                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 777                                 {
 778                                         int dt = MultiValues[Index].datatype[valuenum];
 779                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 780                                         dt &= ~DT_ALLOW_NEWLINE;
 781
 782                                         switch (dt)
 783                                         {
 784                                                 case DT_CHARPTR:
 785                                                 {
 786                                                         char item[MAXBUF];
 787                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 788                                                                 vl.push_back(ValueItem(item));
 789                                                         else
 790                                                                 vl.push_back(ValueItem(""));
 791                                                 }
 792                                                 break;
 793                                                 case DT_INTEGER:
 794                                                 {
 795                                                         int item = 0;
 796                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 797                                                                 vl.push_back(ValueItem(item));
 798                                                         else
 799                                                                 vl.push_back(ValueItem(0));
 800                                                 }
 801                                                 break;
 802                                                 case DT_BOOLEAN:
 803                                                 {
 804                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 805                                                         vl.push_back(ValueItem(item));
 806                                                 }
 807                                                 break;
 808                                                 default:
 809                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 810                                                 break;
 811                                         }
 812                                 }
 813
 814                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 815                         }
 816
 817                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 818                 }
 819
 820         }
 821
 822         catch (CoreException &ce)
 823         {
 824                 ReportConfigError(ce.GetReason(), bail, user);
 825                 return;
 826         }
 827
 828         // write once here, to try it out and make sure its ok
 829         ServerInstance->WritePID(this->PID);
 830
 831         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 832
 833         /* If we're rehashing, let's load any new modules, and unload old ones
 834          */
 835         if (!bail)
 836         {
 837                 int found_ports = 0;
 838                 FailedPortList pl;
 839                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 840
 841                 if (pl.size())
 842                 {
 843                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 844                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 845                         int j = 1;
 846                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 847                         {
 848                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 849                         }
 850                 }
 851
 852                 if (!removed_modules.empty())
 853                 {
 854                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 855                         {
 856                                 if (ServerInstance->UnloadModule(removing->c_str()))
 857                                 {
 858                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 859
 860                                         if (user)
 861                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 862
 863                                         rem++;
 864                                 }
 865                                 else
 866                                 {
 867                                         if (user)
 868                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 869                                 }
 870                         }
 871                 }
 872
 873                 if (!added_modules.empty())
 874                 {
 875                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 876                         {
 877                                 if (ServerInstance->LoadModule(adding->c_str()))
 878                                 {
 879                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 880
 881                                         if (user)
 882                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 883
 884                                         add++;
 885                                 }
 886                                 else
 887                                 {
 888                                         if (user)
 889                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 890                                 }
 891                         }
 892                 }
 893
 894                 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());
 895         }
 896
 897         if (user)
 898                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
 899         else
 900                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
 901 }
 902
 903 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 904 {
 905         std::ifstream conf(filename);
 906         std::string line;
 907         char ch;
 908         long linenumber;
 909         bool in_tag;
 910         bool in_quote;
 911         bool in_comment;
 912
 913         linenumber = 1;
 914         in_tag = false;
 915         in_quote = false;
 916         in_comment = false;
 917
 918         /* Check if the file open failed first */
 919         if (!conf)
 920         {
 921                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 922                 return false;
 923         }
 924
 925         /* Fix the chmod of the file to restrict it to the current user and group */
 926         chmod(filename,0600);
 927
 928         for (unsigned int t = 0; t < include_stack.size(); t++)
 929         {
 930                 if (std::string(filename) == include_stack[t])
 931                 {
 932                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 933                         return false;
 934                 }
 935         }
 936
 937         /* It's not already included, add it to the list of files we've loaded */
 938         include_stack.push_back(filename);
 939
 940         /* Start reading characters... */
 941         while(conf.get(ch))
 942         {
 943                 /*
 944                  * Here we try and get individual tags on separate lines,
 945                  * this would be so easy if we just made people format
 946                  * their config files like that, but they don't so...
 947                  * We check for a '<' and then know the line is over when
 948                  * we get a '>' not inside quotes. If we find two '<' and
 949                  * no '>' then die with an error.
 950                  */
 951
 952                 if((ch == '#') && !in_quote)
 953                         in_comment = true;
 954
 955                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 956                 {
 957                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 958                         return false;
 959                 }*/
 960
 961                 switch(ch)
 962                 {
 963                         case '\n':
 964                                 if (in_quote)
 965                                         line += '\n';
 966                                 linenumber++;
 967                         case '\r':
 968                                 if (!in_quote)
 969                                         in_comment = false;
 970                         case '\0':
 971                                 continue;
 972                         case '\t':
 973                                 ch = ' ';
 974                 }
 975
 976                 if(in_comment)
 977                         continue;
 978
 979                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 980                  * Note that this WILL NOT usually allow insertion of newlines,
 981                  * because a newline is two characters long. Use it primarily to
 982                  * insert the " symbol.
 983                  *
 984                  * Note that this also involves a further check when parsing the line,
 985                  * which can be found below.
 986                  */
 987                 if ((ch == '\\') && (in_quote) && (in_tag))
 988                 {
 989                         line += ch;
 990                         char real_character;
 991                         if (conf.get(real_character))
 992                         {
 993                                 if (real_character == 'n')
 994                                         real_character = '\n';
 995                                 line += real_character;
 996                                 continue;
 997                         }
 998                         else
 999                         {
1000                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1001                                 return false;
1002                         }
1003                 }
1004
1005                 if (ch != '\r')
1006                         line += ch;
1007
1008                 if(ch == '<')
1009                 {
1010                         if(in_tag)
1011                         {
1012                                 if(!in_quote)
1013                                 {
1014                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1015                                         return false;
1016                                 }
1017                         }
1018                         else
1019                         {
1020                                 if(in_quote)
1021                                 {
1022                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1023                                         return false;
1024                                 }
1025                                 else
1026                                 {
1027                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1028                                         in_tag = true;
1029                                 }
1030                         }
1031                 }
1032                 else if(ch == '"')
1033                 {
1034                         if(in_tag)
1035                         {
1036                                 if(in_quote)
1037                                 {
1038                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1039                                         in_quote = false;
1040                                 }
1041                                 else
1042                                 {
1043                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1044                                         in_quote = true;
1045                                 }
1046                         }
1047                         else
1048                         {
1049                                 if(in_quote)
1050                                 {
1051                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1052                                 }
1053                                 else
1054                                 {
1055                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1056                                 }
1057                         }
1058                 }
1059                 else if(ch == '>')
1060                 {
1061                         if(!in_quote)
1062                         {
1063                                 if(in_tag)
1064                                 {
1065                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1066                                         in_tag = false;
1067
1068                                         /*
1069                                          * If this finds an <include> then ParseLine can simply call
1070                                          * LoadConf() and load the included config into the same ConfigDataHash
1071                                          */
1072
1073                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1074                                                 return false;
1075
1076                                         line.clear();
1077                                 }
1078                                 else
1079                                 {
1080                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1081                                         return false;
1082                                 }
1083                         }
1084                 }
1085         }
1086
1087         return true;
1088 }
1089
1090 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1091 {
1092         return this->LoadConf(target, filename.c_str(), errorstream);
1093 }
1094
1095 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1096 {
1097         std::string tagname;
1098         std::string current_key;
1099         std::string current_value;
1100         KeyValList results;
1101         bool got_name;
1102         bool got_key;
1103         bool in_quote;
1104
1105         got_name = got_key = in_quote = false;
1106
1107         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1108
1109         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1110         {
1111                 if(!got_name)
1112                 {
1113                         /* We don't know the tag name yet. */
1114
1115                         if(*c != ' ')
1116                         {
1117                                 if(*c != '<')
1118                                 {
1119                                         tagname += *c;
1120                                 }
1121                         }
1122                         else
1123                         {
1124                                 /* We got to a space, we should have the tagname now. */
1125                                 if(tagname.length())
1126                                 {
1127                                         got_name = true;
1128                                 }
1129                         }
1130                 }
1131                 else
1132                 {
1133                         /* We have the tag name */
1134                         if (!got_key)
1135                         {
1136                                 /* We're still reading the key name */
1137                                 if (*c != '=')
1138                                 {
1139                                         if (*c != ' ')
1140                                         {
1141                                                 current_key += *c;
1142                                         }
1143                                 }
1144                                 else
1145                                 {
1146                                         /* We got an '=', end of the key name. */
1147                                         got_key = true;
1148                                 }
1149                         }
1150                         else
1151                         {
1152                                 /* We have the key name, now we're looking for quotes and the value */
1153
1154                                 /* Correctly handle escaped characters here.
1155                                  * See the XXX'ed section above.
1156                                  */
1157                                 if ((*c == '\\') && (in_quote))
1158                                 {
1159                                         c++;
1160                                         if (*c == 'n')
1161                                                 current_value += '\n';
1162                                         else
1163                                                 current_value += *c;
1164                                         continue;
1165                                 }
1166                                 else if ((*c == '\n') && (in_quote))
1167                                 {
1168                                         /* Got a 'real' \n, treat it as part of the value */
1169                                         current_value += '\n';
1170                                         continue;
1171                                 }
1172                                 else if ((*c == '\r') && (in_quote))
1173                                         /* Got a \r, drop it */
1174                                         continue;
1175
1176                                 if (*c == '"')
1177                                 {
1178                                         if (!in_quote)
1179                                         {
1180                                                 /* We're not already in a quote. */
1181                                                 in_quote = true;
1182                                         }
1183                                         else
1184                                         {
1185                                                 /* Leaving quotes, we have the value */
1186                                                 results.push_back(KeyVal(current_key, current_value));
1187
1188                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1189
1190                                                 in_quote = false;
1191                                                 got_key = false;
1192
1193                                                 if((tagname == "include") && (current_key == "file"))
1194                                                 {
1195                                                         if(!this->DoInclude(target, current_value, errorstream))
1196                                                                 return false;
1197                                                 }
1198
1199                                                 current_key.clear();
1200                                                 current_value.clear();
1201                                         }
1202                                 }
1203                                 else
1204                                 {
1205                                         if(in_quote)
1206                                         {
1207                                                 current_value += *c;
1208                                         }
1209                                 }
1210                         }
1211                 }
1212         }
1213
1214         /* Finished parsing the tag, add it to the config hash */
1215         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1216
1217         return true;
1218 }
1219
1220 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1221 {
1222         std::string confpath;
1223         std::string newfile;
1224         std::string::size_type pos;
1225
1226         confpath = ServerInstance->ConfigFileName;
1227         newfile = file;
1228
1229         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1230         {
1231                 if (*c == '\\')
1232                 {
1233                         *c = '/';
1234                 }
1235         }
1236
1237         if (file[0] != '/')
1238         {
1239                 if((pos = confpath.rfind("/")) != std::string::npos)
1240                 {
1241                         /* Leaves us with just the path */
1242                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1243                 }
1244                 else
1245                 {
1246                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1247                         return false;
1248                 }
1249         }
1250
1251         return LoadConf(target, newfile, errorstream);
1252 }
1253
1254 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1255 {
1256         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1257 }
1258
1259 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1260 {
1261         std::string value;
1262         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1263         strlcpy(result, value.c_str(), length);
1264         return r;
1265 }
1266
1267 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1268 {
1269         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1270 }
1271
1272 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)
1273 {
1274         ConfigDataHash::size_type pos = index;
1275         if((pos >= 0) && (pos < target.count(tag)))
1276         {
1277                 ConfigDataHash::iterator iter = target.find(tag);
1278
1279                 for(int i = 0; i < index; i++)
1280                         iter++;
1281
1282                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1283                 {
1284                         if(j->first == var)
1285                         {
1286                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1287                                 {
1288                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1289                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1290                                                 if (*n == '\n')
1291                                                         *n = ' ';
1292                                 }
1293                                 else
1294                                 {
1295                                         result = j->second;
1296                                         return true;
1297                                 }
1298                         }
1299                 }
1300                 if (!default_value.empty())
1301                 {
1302                         result = default_value;
1303                         return true;
1304                 }
1305         }
1306         else if(pos == 0)
1307         {
1308                 if (!default_value.empty())
1309                 {
1310                         result = default_value;
1311                         return true;
1312                 }
1313         }
1314         return false;
1315 }
1316
1317 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1318 {
1319         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1320 }
1321
1322 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1323 {
1324         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1325 }
1326
1327 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1328 {
1329         return ConfValueInteger(target, tag, var, "", index, result);
1330 }
1331
1332 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1333 {
1334         std::string value;
1335         std::istringstream stream;
1336         bool r = ConfValue(target, tag, var, default_value, index, value);
1337         stream.str(value);
1338         if(!(stream >> result))
1339                 return false;
1340         else
1341         {
1342                 if (!value.empty())
1343                 {
1344                         if (value.substr(0,2) == "0x")
1345                         {
1346                                 char* endptr;
1347
1348                                 value.erase(0,2);
1349                                 result = strtol(value.c_str(), &endptr, 16);
1350
1351                                 /* No digits found */
1352                                 if (endptr == value.c_str())
1353                                         return false;
1354                         }
1355                         else
1356                         {
1357                                 char denominator = *(value.end() - 1);
1358                                 switch (toupper(denominator))
1359                                 {
1360                                         case 'K':
1361                                                 /* Kilobytes -> bytes */
1362                                                 result = result * 1024;
1363                                         break;
1364                                         case 'M':
1365                                                 /* Megabytes -> bytes */
1366                                                 result = result * 1024 * 1024;
1367                                         break;
1368                                         case 'G':
1369                                                 /* Gigabytes -> bytes */
1370                                                 result = result * 1024 * 1024 * 1024;
1371                                         break;
1372                                 }
1373                         }
1374                 }
1375         }
1376         return r;
1377 }
1378
1379
1380 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1381 {
1382         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1383 }
1384
1385 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1386 {
1387         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1388 }
1389
1390 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1391 {
1392         return ConfValueBool(target, tag, var, "", index);
1393 }
1394
1395 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1396 {
1397         std::string result;
1398         if(!ConfValue(target, tag, var, default_value, index, result))
1399                 return false;
1400
1401         return ((result == "yes") || (result == "true") || (result == "1"));
1402 }
1403
1404 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1405 {
1406         return target.count(tag);
1407 }
1408
1409 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1410 {
1411         return target.count(tag);
1412 }
1413
1414 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1415 {
1416         return ConfVarEnum(target, std::string(tag), index);
1417 }
1418
1419 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1420 {
1421         ConfigDataHash::size_type pos = index;
1422
1423         if((pos >= 0) && (pos < target.count(tag)))
1424         {
1425                 ConfigDataHash::const_iterator iter = target.find(tag);
1426
1427                 for(int i = 0; i < index; i++)
1428                         iter++;
1429
1430                 return iter->second.size();
1431         }
1432
1433         return 0;
1434 }
1435
1436 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1437  */
1438 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1439 {
1440         if (!fname || !*fname)
1441                 return false;
1442
1443         FILE* file = NULL;
1444         char linebuf[MAXBUF];
1445
1446         F.clear();
1447
1448         if (*fname != '/')
1449         {
1450                 std::string::size_type pos;
1451                 std::string confpath = ServerInstance->ConfigFileName;
1452                 if((pos = confpath.rfind("/")) != std::string::npos)
1453                 {
1454                         /* Leaves us with just the path */
1455                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1456                         if (!FileExists(newfile.c_str()))
1457                                 return false;
1458                         file =  fopen(newfile.c_str(), "r");
1459
1460                 }
1461         }
1462         else
1463         {
1464                 if (!FileExists(fname))
1465                         return false;
1466                 file =  fopen(fname, "r");
1467         }
1468
1469         if (file)
1470         {
1471                 while (!feof(file))
1472                 {
1473                         if (fgets(linebuf, sizeof(linebuf), file))
1474                                 linebuf[strlen(linebuf)-1] = 0;
1475                         else
1476                                 *linebuf = 0;
1477
1478                         if (!feof(file))
1479                         {
1480                                 F.push_back(*linebuf ? linebuf : " ");
1481                         }
1482                 }
1483
1484                 fclose(file);
1485         }
1486         else
1487                 return false;
1488
1489         return true;
1490 }
1491
1492 bool ServerConfig::FileExists(const char* file)
1493 {
1494         struct stat sb;
1495         if (stat(file, &sb) == -1)
1496                 return false;
1497
1498         if ((sb.st_mode & S_IFDIR) > 0)
1499                 return false;
1500
1501         FILE *input;
1502         if ((input = fopen (file, "r")) == NULL)
1503                 return false;
1504         else
1505         {
1506                 fclose(input);
1507                 return true;
1508         }
1509 }
1510
1511 char* ServerConfig::CleanFilename(char* name)
1512 {
1513         char* p = name + strlen(name);
1514         while ((p != name) && (*p != '/')) p--;
1515         return (p != name ? ++p : p);
1516 }
1517
1518
1519 bool ServerConfig::DirValid(const char* dirandfile)
1520 {
1521         char work[1024];
1522         char buffer[1024];
1523         char otherdir[1024];
1524         int p;
1525
1526         strlcpy(work, dirandfile, 1024);
1527         p = strlen(work);
1528
1529         // we just want the dir
1530         while (*work)
1531         {
1532                 if (work[p] == '/')
1533                 {
1534                         work[p] = '\0';
1535                         break;
1536                 }
1537
1538                 work[p--] = '\0';
1539         }
1540
1541         // Get the current working directory
1542         if (getcwd(buffer, 1024 ) == NULL )
1543                 return false;
1544
1545         if (chdir(work) == -1)
1546                 return false;
1547
1548         if (getcwd(otherdir, 1024 ) == NULL )
1549                 return false;
1550
1551         if (chdir(buffer) == -1)
1552                 return false;
1553
1554         size_t t = strlen(work);
1555
1556         if (strlen(otherdir) >= t)
1557         {
1558                 otherdir[t] = '\0';
1559
1560                 if (!strcmp(otherdir,work))
1561                 {
1562                         return true;
1563                 }
1564
1565                 return false;
1566         }
1567         else
1568         {
1569                 return false;
1570         }
1571 }
1572
1573 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1574 {
1575         char work[1024];
1576         char buffer[1024];
1577         char otherdir[1024];
1578         int p;
1579
1580         strlcpy(work,argv[0],1024);
1581         p = strlen(work);
1582
1583         // we just want the dir
1584         while (*work)
1585         {
1586                 if (work[p] == '/')
1587                 {
1588                         work[p] = '\0';
1589                         break;
1590                 }
1591
1592                 work[p--] = '\0';
1593         }
1594
1595         // Get the current working directory
1596         if (getcwd(buffer, 1024) == NULL)
1597                 return "";
1598
1599         if (chdir(work) == -1)
1600                 return "";
1601
1602         if (getcwd(otherdir, 1024) == NULL)
1603                 return "";
1604
1605         if (chdir(buffer) == -1)
1606                 return "";
1607
1608         return otherdir;
1609 }
1610
1611 InspIRCd* ServerConfig::GetInstance()
1612 {
1613         return ServerInstance;
1614 }
1615
1616
1617 ValueItem::ValueItem(int value)
1618 {
1619         std::stringstream n;
1620         n << value;
1621         v = n.str();
1622 }
1623
1624 ValueItem::ValueItem(bool value)
1625 {
1626         std::stringstream n;
1627         n << value;
1628         v = n.str();
1629 }
1630
1631 ValueItem::ValueItem(char* value)
1632 {
1633         v = value;
1634 }
1635
1636 void ValueItem::Set(char* value)
1637 {
1638         v = value;
1639 }
1640
1641 void ValueItem::Set(const char* value)
1642 {
1643         v = value;
1644 }
1645
1646 void ValueItem::Set(int value)
1647 {
1648         std::stringstream n;
1649         n << value;
1650         v = n.str();
1651 }
1652
1653 int ValueItem::GetInteger()
1654 {
1655         if (v.empty())
1656                 return 0;
1657         return atoi(v.c_str());
1658 }
1659
1660 char* ValueItem::GetString()
1661 {
1662         return (char*)v.c_str();
1663 }
1664
1665 bool ValueItem::GetBool()
1666 {
1667         return (GetInteger() || v == "yes" || v == "true");
1668 }
1669