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