src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "configreader.h"
  16 #include <sstream>
  17 #include <fstream>
  18 #include "xline.h"
  19 #include "exitcodes.h"
  20 #include "commands/cmd_whowas.h"
  21
  22 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  23
  24 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  25 {
  26         this->ClearStack();
  27         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  28         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  29         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  30         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  31         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  32         log_file = NULL;
  33         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  34         CycleHosts = writelog = AllowHalfop = true;
  35         dns_timeout = DieDelay = 5;
  36         MaxTargets = 20;
  37         NetBufferSize = 10240;
  38         SoftLimit = MAXCLIENTS;
  39         MaxConn = SOMAXCONN;
  40         MaxWhoResults = 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 (command_table::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 206                 x->second->Disable(false);
 207
 208         /* Now disable all the ones which the user wants disabled */
 209         while (dcmds >> thiscmd)
 210         {
 211                 command_table::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 212                 if (cm != ServerInstance->Parser->cmdlist.end())
 213                 {
 214                         cm->second->Disable(true);
 215                 }
 216         }
 217         return true;
 218 }
 219
 220 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 221 {
 222         if (!*(data.GetString()))
 223         {
 224                 std::string nameserver;
 225 #ifdef WINDOWS
 226                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in the registry...");
 227                 nameserver = FindNameServerWin();
 228                 data.Set(nameserver.c_str());
 229                 conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first active resolver in registry.", nameserver.c_str());
 230 #else
 231                 // attempt to look up their nameserver from /etc/resolv.conf
 232                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 233                 ifstream resolv("/etc/resolv.conf");
 234                 bool found_server = false;
 235
 236                 if (resolv.is_open())
 237                 {
 238                         while (resolv >> nameserver)
 239                         {
 240                                 if ((nameserver == "nameserver") && (!found_server))
 241                                 {
 242                                         resolv >> nameserver;
 243                                         data.Set(nameserver.c_str());
 244                                         found_server = true;
 245                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 246                                 }
 247                         }
 248
 249                         if (!found_server)
 250                         {
 251                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 252                                 data.Set("127.0.0.1");
 253                         }
 254                 }
 255                 else
 256                 {
 257                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 258                         data.Set("127.0.0.1");
 259                 }
 260 #endif
 261         }
 262         return true;
 263 }
 264
 265 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 266 {
 267         /* If we already have a servername, and they changed it, we should throw an exception. */
 268         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 269         {
 270                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 271                 /* XXX: We don't actually reach this return of course... */
 272                 return false;
 273         }
 274         if (!strchr(data.GetString(),'.'))
 275         {
 276                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 277                 std::string moo = std::string(data.GetString()).append(".");
 278                 data.Set(moo.c_str());
 279         }
 280         return true;
 281 }
 282
 283 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 284 {
 285         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 286         {
 287                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 288                 data.Set(10240);
 289         }
 290         return true;
 291 }
 292
 293 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 294 {
 295         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 296         {
 297                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 298                 data.Set(128);
 299         }
 300         return true;
 301 }
 302
 303 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 304 {
 305         std::string dbg = data.GetString();
 306         conf->LogLevel = DEFAULT;
 307
 308         if (dbg == "debug")
 309                 conf->LogLevel = DEBUG;
 310         else if (dbg  == "verbose")
 311                 conf->LogLevel = VERBOSE;
 312         else if (dbg == "default")
 313                 conf->LogLevel = DEFAULT;
 314         else if (dbg == "sparse")
 315                 conf->LogLevel = SPARSE;
 316         else if (dbg == "none")
 317                 conf->LogLevel = NONE;
 318
 319         conf->debugging = (conf->LogLevel == DEBUG);
 320
 321         return true;
 322 }
 323
 324 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 325 {
 326         conf->ReadFile(conf->MOTD, data.GetString());
 327         return true;
 328 }
 329
 330 bool ValidateNotEmpty(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 331 {
 332         if (!*data.GetString())
 333                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 334         return true;
 335 }
 336
 337 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 338 {
 339         conf->ReadFile(conf->RULES, data.GetString());
 340         return true;
 341 }
 342
 343 bool ValidateModeLists(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 344 {
 345         memset(conf->HideModeLists, 0, 256);
 346         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 347                 conf->HideModeLists[*x] = true;
 348         return true;
 349 }
 350
 351 bool ValidateExemptChanOps(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 352 {
 353         memset(conf->ExemptChanOps, 0, 256);
 354         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 355                 conf->ExemptChanOps[*x] = true;
 356         return true;
 357 }
 358
 359 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 360 {
 361         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 362
 363         if (conf->WhoWasGroupSize < 0)
 364                 conf->WhoWasGroupSize = 0;
 365
 366         if (conf->WhoWasMaxGroups < 0)
 367                 conf->WhoWasMaxGroups = 0;
 368
 369         if (conf->WhoWasMaxKeep < 3600)
 370         {
 371                 conf->WhoWasMaxKeep = 3600;
 372                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 373         }
 374
 375         command_t* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 376         if (whowas_command)
 377         {
 378                 std::deque<classbase*> params;
 379                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 380         }
 381
 382         return true;
 383 }
 384
 385 /* Callback called before processing the first <connect> tag
 386  */
 387 bool InitConnect(ServerConfig* conf, const char* tag)
 388 {
 389         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 390         conf->Classes.clear();
 391         return true;
 392 }
 393
 394 /* Callback called to process a single <connect> tag
 395  */
 396 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 397 {
 398         ConnectClass c;
 399         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 400         const char* deny = values[1].GetString();
 401         const char* password = values[2].GetString();
 402         int timeout = values[3].GetInteger();
 403         int pingfreq = values[4].GetInteger();
 404         int flood = values[5].GetInteger();
 405         int threshold = values[6].GetInteger();
 406         int sendq = values[7].GetInteger();
 407         int recvq = values[8].GetInteger();
 408         int localmax = values[9].GetInteger();
 409         int globalmax = values[10].GetInteger();
 410
 411         if (*allow)
 412         {
 413                 ConnectClass c(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax);
 414                 conf->Classes.push_back(c);
 415         }
 416         else
 417         {
 418                 ConnectClass c(deny);
 419                 conf->Classes.push_back(c);
 420         }
 421
 422         return true;
 423 }
 424
 425 /* Callback called when there are no more <connect> tags
 426  */
 427 bool DoneConnect(ServerConfig* conf, const char* tag)
 428 {
 429         return true;
 430 }
 431
 432 /* Callback called before processing the first <uline> tag
 433  */
 434 bool InitULine(ServerConfig* conf, const char* tag)
 435 {
 436         conf->ulines.clear();
 437         return true;
 438 }
 439
 440 /* Callback called to process a single <uline> tag
 441  */
 442 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 443 {
 444         const char* server = values[0].GetString();
 445         const bool silent = values[1].GetBool();
 446         conf->ulines[server] = silent;
 447         return true;
 448 }
 449
 450 /* Callback called when there are no more <uline> tags
 451  */
 452 bool DoneULine(ServerConfig* conf, const char* tag)
 453 {
 454         return true;
 455 }
 456
 457 /* Callback called before processing the first <module> tag
 458  */
 459 bool InitModule(ServerConfig* conf, const char* tag)
 460 {
 461         old_module_names.clear();
 462         new_module_names.clear();
 463         added_modules.clear();
 464         removed_modules.clear();
 465         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 466         {
 467                 old_module_names.push_back(*t);
 468         }
 469         return true;
 470 }
 471
 472 /* Callback called to process a single <module> tag
 473  */
 474 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 475 {
 476         const char* modname = values[0].GetString();
 477         new_module_names.push_back(modname);
 478         return true;
 479 }
 480
 481 /* Callback called when there are no more <module> tags
 482  */
 483 bool DoneModule(ServerConfig* conf, const char* tag)
 484 {
 485         // now create a list of new modules that are due to be loaded
 486         // and a seperate list of modules which are due to be unloaded
 487         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 488         {
 489                 bool added = true;
 490
 491                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 492                 {
 493                         if (*old == *_new)
 494                                 added = false;
 495                 }
 496
 497                 if (added)
 498                         added_modules.push_back(*_new);
 499         }
 500
 501         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 502         {
 503                 bool removed = true;
 504                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 505                 {
 506                         if (*newm == *oldm)
 507                                 removed = false;
 508                 }
 509
 510                 if (removed)
 511                         removed_modules.push_back(*oldm);
 512         }
 513         return true;
 514 }
 515
 516 /* Callback called before processing the first <banlist> tag
 517  */
 518 bool InitMaxBans(ServerConfig* conf, const char* tag)
 519 {
 520         conf->maxbans.clear();
 521         return true;
 522 }
 523
 524 /* Callback called to process a single <banlist> tag
 525  */
 526 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 527 {
 528         const char* channel = values[0].GetString();
 529         int limit = values[1].GetInteger();
 530         conf->maxbans[channel] = limit;
 531         return true;
 532 }
 533
 534 /* Callback called when there are no more <banlist> tags.
 535  */
 536 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 537 {
 538         return true;
 539 }
 540
 541 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 542 {
 543         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 544         if (bail)
 545         {
 546                 /* Unneeded because of the ServerInstance->Log() aboive? */
 547                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 548                 InspIRCd::Exit(EXIT_STATUS_CONFIG);
 549         }
 550         else
 551         {
 552                 std::string errors = errormessage;
 553                 std::string::size_type start;
 554                 unsigned int prefixlen;
 555                 start = 0;
 556                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 557                 if (user)
 558                 {
 559                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 560                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 561                         while (start < errors.length())
 562                         {
 563                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 564                                 start += 510 - prefixlen;
 565                         }
 566                 }
 567                 else
 568                 {
 569                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 570                         while (start < errors.length())
 571                         {
 572                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 573                                 start += 360;
 574                         }
 575                 }
 576                 return;
 577         }
 578 }
 579
 580 void ServerConfig::Read(bool bail, userrec* user)
 581 {
 582         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 583         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 584         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 585         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 586         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 587         std::ostringstream errstr;      /* String stream containing the error output */
 588
 589         /* These tags MUST occur and must ONLY occur once in the config file */
 590         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 591
 592         /* These tags can occur ONCE or not at all */
 593         InitialConfig Values[] = {
 594                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 595                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 596                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR, NoValidation},
 597                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 598                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 599                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 600                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 601                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 602                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 603                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 604                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 605                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR, ValidateNotEmpty},
 606                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 607                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR, ValidateNotEmpty},
 608                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 609                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR, NoValidation},
 610                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR, NoValidation},
 611                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 612                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 613                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 614                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 615                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 616                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, NoValidation},
 617                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR, NoValidation},
 618                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 619                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 620                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 621                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 622                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 623                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 624                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_CHARPTR, NoValidation},
 625                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 626                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 627                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 628                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 629                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 630                 {"options",     "announceinvites", "1",                 new ValueContainerBool (&this->AnnounceInvites),        DT_BOOLEAN, NoValidation},
 631                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN, NoValidation},
 632                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR, ValidateModeLists},
 633                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR, ValidateExemptChanOps},
 634                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR, NoValidation},
 635                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 636                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 637                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 638                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 639                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 640                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER, NoValidation},
 641                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER, NoValidation},
 642                 {NULL}
 643         };
 644
 645         /* These tags can occur multiple times, and therefore they have special code to read them
 646          * which is different to the code for reading the singular tags listed above.
 647          */
 648         MultiConfig MultiValues[] = {
 649
 650                 {"connect",
 651                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 652                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 653                                 NULL},
 654                                 {"",            "",             "",             "",             "120",          "",
 655                                  "",            "",             "",             "3",            "3",            "0",
 656                                  NULL},
 657                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 658                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 659                                 InitConnect, DoConnect, DoneConnect},
 660
 661                 {"uline",
 662                                 {"server",      "silent",       NULL},
 663                                 {"",            "0",            NULL},
 664                                 {DT_CHARPTR,    DT_BOOLEAN},
 665                                 InitULine,DoULine,DoneULine},
 666
 667                 {"banlist",
 668                                 {"chan",        "limit",        NULL},
 669                                 {"",            "",             NULL},
 670                                 {DT_CHARPTR,    DT_INTEGER},
 671                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 672
 673                 {"module",
 674                                 {"name",        NULL},
 675                                 {"",            NULL},
 676                                 {DT_CHARPTR},
 677                                 InitModule, DoModule, DoneModule},
 678
 679                 {"badip",
 680                                 {"reason",      "ipmask",       NULL},
 681                                 {"No reason",   "",             NULL},
 682                                 {DT_CHARPTR,    DT_CHARPTR},
 683                                 InitXLine, DoZLine, DoneZLine},
 684
 685                 {"badnick",
 686                                 {"reason",      "nick",         NULL},
 687                                 {"No reason",   "",             NULL},
 688                                 {DT_CHARPTR,    DT_CHARPTR},
 689                                 InitXLine, DoQLine, DoneQLine},
 690
 691                 {"badhost",
 692                                 {"reason",      "host",         NULL},
 693                                 {"No reason",   "",             NULL},
 694                                 {DT_CHARPTR,    DT_CHARPTR},
 695                                 InitXLine, DoKLine, DoneKLine},
 696
 697                 {"exception",
 698                                 {"reason",      "host",         NULL},
 699                                 {"No reason",   "",             NULL},
 700                                 {DT_CHARPTR,    DT_CHARPTR},
 701                                 InitXLine, DoELine, DoneELine},
 702
 703                 {"type",
 704                                 {"name",        "classes",      NULL},
 705                                 {"",            "",             NULL},
 706                                 {DT_CHARPTR,    DT_CHARPTR},
 707                                 InitTypes, DoType, DoneClassesAndTypes},
 708
 709                 {"class",
 710                                 {"name",        "commands",     NULL},
 711                                 {"",            "",             NULL},
 712                                 {DT_CHARPTR,    DT_CHARPTR},
 713                                 InitClasses, DoClass, DoneClassesAndTypes},
 714
 715                 {NULL}
 716         };
 717
 718         include_stack.clear();
 719
 720         /* Load and parse the config file, if there are any errors then explode */
 721
 722         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 723         ConfigDataHash newconfig;
 724
 725         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
 726         {
 727                 /* If we succeeded, set the ircd config to the new one */
 728                 this->config_data = newconfig;
 729         }
 730         else
 731         {
 732                 ReportConfigError(errstr.str(), bail, user);
 733                 return;
 734         }
 735
 736         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 737         try
 738         {
 739                 /* Check we dont have more than one of singular tags, or any of them missing
 740                  */
 741                 for (int Index = 0; Once[Index]; Index++)
 742                         if (!CheckOnce(Once[Index], bail, user))
 743                                 return;
 744
 745                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 746                  */
 747                 for (int Index = 0; Values[Index].tag; Index++)
 748                 {
 749                         char item[MAXBUF];
 750                         int dt = Values[Index].datatype;
 751                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 752                         dt &= ~DT_ALLOW_NEWLINE;
 753
 754                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 755                         ValueItem vi(item);
 756
 757                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 758                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 759
 760                         switch (Values[Index].datatype)
 761                         {
 762                                 case DT_CHARPTR:
 763                                 {
 764                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 765                                         /* Make sure we also copy the null terminator */
 766                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 767                                 }
 768                                 break;
 769                                 case DT_INTEGER:
 770                                 {
 771                                         int val = vi.GetInteger();
 772                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 773                                         vci->Set(&val, sizeof(int));
 774                                 }
 775                                 break;
 776                                 case DT_BOOLEAN:
 777                                 {
 778                                         bool val = vi.GetBool();
 779                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 780                                         vcb->Set(&val, sizeof(bool));
 781                                 }
 782                                 break;
 783                                 default:
 784                                         /* You don't want to know what happens if someones bad code sends us here. */
 785                                 break;
 786                         }
 787
 788                         /* We're done with this now */
 789                         delete Values[Index].val;
 790                 }
 791
 792                 /* Read the multiple-tag items (class tags, connect tags, etc)
 793                  * and call the callbacks associated with them. We have three
 794                  * callbacks for these, a 'start', 'item' and 'end' callback.
 795                  */
 796                 for (int Index = 0; MultiValues[Index].tag; Index++)
 797                 {
 798                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 799
 800                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 801
 802                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 803                         {
 804                                 ValueList vl;
 805                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 806                                 {
 807                                         int dt = MultiValues[Index].datatype[valuenum];
 808                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 809                                         dt &= ~DT_ALLOW_NEWLINE;
 810
 811                                         switch (dt)
 812                                         {
 813                                                 case DT_CHARPTR:
 814                                                 {
 815                                                         char item[MAXBUF];
 816                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 817                                                                 vl.push_back(ValueItem(item));
 818                                                         else
 819                                                                 vl.push_back(ValueItem(""));
 820                                                 }
 821                                                 break;
 822                                                 case DT_INTEGER:
 823                                                 {
 824                                                         int item = 0;
 825                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 826                                                                 vl.push_back(ValueItem(item));
 827                                                         else
 828                                                                 vl.push_back(ValueItem(0));
 829                                                 }
 830                                                 break;
 831                                                 case DT_BOOLEAN:
 832                                                 {
 833                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 834                                                         vl.push_back(ValueItem(item));
 835                                                 }
 836                                                 break;
 837                                                 default:
 838                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 839                                                 break;
 840                                         }
 841                                 }
 842
 843                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 844                         }
 845
 846                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 847                 }
 848
 849         }
 850
 851         catch (CoreException &ce)
 852         {
 853                 ReportConfigError(ce.GetReason(), bail, user);
 854                 return;
 855         }
 856
 857         // write once here, to try it out and make sure its ok
 858         ServerInstance->WritePID(this->PID);
 859
 860         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 861
 862         /* If we're rehashing, let's load any new modules, and unload old ones
 863          */
 864         if (!bail)
 865         {
 866                 int found_ports = 0;
 867                 FailedPortList pl;
 868                 ServerInstance->BindPorts(false, found_ports, pl);
 869
 870                 if (pl.size())
 871                 {
 872                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 873                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
 874                         int j = 1;
 875                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 876                         {
 877                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 878                         }
 879                 }
 880
 881                 if (!removed_modules.empty())
 882                 {
 883                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 884                         {
 885                                 if (ServerInstance->UnloadModule(removing->c_str()))
 886                                 {
 887                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 888
 889                                         if (user)
 890                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 891
 892                                         rem++;
 893                                 }
 894                                 else
 895                                 {
 896                                         if (user)
 897                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 898                                 }
 899                         }
 900                 }
 901
 902                 if (!added_modules.empty())
 903                 {
 904                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 905                         {
 906                                 if (ServerInstance->LoadModule(adding->c_str()))
 907                                 {
 908                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 909
 910                                         if (user)
 911                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 912
 913                                         add++;
 914                                 }
 915                                 else
 916                                 {
 917                                         if (user)
 918                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 919                                 }
 920                         }
 921                 }
 922
 923                 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());
 924         }
 925
 926         if (user)
 927                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
 928         else
 929                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
 930 }
 931
 932 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 933 {
 934         std::ifstream conf(filename);
 935         std::string line;
 936         char ch;
 937         long linenumber;
 938         bool in_tag;
 939         bool in_quote;
 940         bool in_comment;
 941         int character_count = 0;
 942
 943         linenumber = 1;
 944         in_tag = false;
 945         in_quote = false;
 946         in_comment = false;
 947
 948         /* Check if the file open failed first */
 949         if (!conf)
 950         {
 951                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 952                 return false;
 953         }
 954
 955         /* Fix the chmod of the file to restrict it to the current user and group */
 956         chmod(filename,0600);
 957
 958         for (unsigned int t = 0; t < include_stack.size(); t++)
 959         {
 960                 if (std::string(filename) == include_stack[t])
 961                 {
 962                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 963                         return false;
 964                 }
 965         }
 966
 967         /* It's not already included, add it to the list of files we've loaded */
 968         include_stack.push_back(filename);
 969
 970         /* Start reading characters... */
 971         while(conf.get(ch))
 972         {
 973
 974                 /*
 975                  * Fix for moronic windows issue spotted by Adremelech.
 976                  * Some windows editors save text files as utf-16, which is
 977                  * a total pain in the ass to parse. Users should save in the
 978                  * right config format! If we ever see a file where the first
 979                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
 980                  * this is most likely a utf-16 file. Bail out and insult user.
 981                  */
 982                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
 983                 {
 984                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
 985                         return false;
 986                 }
 987
 988                 /*
 989                  * Here we try and get individual tags on separate lines,
 990                  * this would be so easy if we just made people format
 991                  * their config files like that, but they don't so...
 992                  * We check for a '<' and then know the line is over when
 993                  * we get a '>' not inside quotes. If we find two '<' and
 994                  * no '>' then die with an error.
 995                  */
 996
 997                 if((ch == '#') && !in_quote)
 998                         in_comment = true;
 999
1000                 switch(ch)
1001                 {
1002                         case '\n':
1003                                 if (in_quote)
1004                                         line += '\n';
1005                                 linenumber++;
1006                         case '\r':
1007                                 if (!in_quote)
1008                                         in_comment = false;
1009                         case '\0':
1010                                 continue;
1011                         case '\t':
1012                                 ch = ' ';
1013                 }
1014
1015                 if(in_comment)
1016                         continue;
1017
1018                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1019                  * Note that this WILL NOT usually allow insertion of newlines,
1020                  * because a newline is two characters long. Use it primarily to
1021                  * insert the " symbol.
1022                  *
1023                  * Note that this also involves a further check when parsing the line,
1024                  * which can be found below.
1025                  */
1026                 if ((ch == '\\') && (in_quote) && (in_tag))
1027                 {
1028                         line += ch;
1029                         char real_character;
1030                         if (conf.get(real_character))
1031                         {
1032                                 if (real_character == 'n')
1033                                         real_character = '\n';
1034                                 line += real_character;
1035                                 continue;
1036                         }
1037                         else
1038                         {
1039                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1040                                 return false;
1041                         }
1042                 }
1043
1044                 if (ch != '\r')
1045                         line += ch;
1046
1047                 if(ch == '<')
1048                 {
1049                         if(in_tag)
1050                         {
1051                                 if(!in_quote)
1052                                 {
1053                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1054                                         return false;
1055                                 }
1056                         }
1057                         else
1058                         {
1059                                 if(in_quote)
1060                                 {
1061                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1062                                         return false;
1063                                 }
1064                                 else
1065                                 {
1066                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1067                                         in_tag = true;
1068                                 }
1069                         }
1070                 }
1071                 else if(ch == '"')
1072                 {
1073                         if(in_tag)
1074                         {
1075                                 if(in_quote)
1076                                 {
1077                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1078                                         in_quote = false;
1079                                 }
1080                                 else
1081                                 {
1082                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1083                                         in_quote = true;
1084                                 }
1085                         }
1086                         else
1087                         {
1088                                 if(in_quote)
1089                                 {
1090                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1091                                 }
1092                                 else
1093                                 {
1094                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1095                                 }
1096                         }
1097                 }
1098                 else if(ch == '>')
1099                 {
1100                         if(!in_quote)
1101                         {
1102                                 if(in_tag)
1103                                 {
1104                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1105                                         in_tag = false;
1106
1107                                         /*
1108                                          * If this finds an <include> then ParseLine can simply call
1109                                          * LoadConf() and load the included config into the same ConfigDataHash
1110                                          */
1111
1112                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1113                                                 return false;
1114
1115                                         line.clear();
1116                                 }
1117                                 else
1118                                 {
1119                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1120                                         return false;
1121                                 }
1122                         }
1123                 }
1124         }
1125
1126         return true;
1127 }
1128
1129 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1130 {
1131         return this->LoadConf(target, filename.c_str(), errorstream);
1132 }
1133
1134 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1135 {
1136         std::string tagname;
1137         std::string current_key;
1138         std::string current_value;
1139         KeyValList results;
1140         bool got_name;
1141         bool got_key;
1142         bool in_quote;
1143
1144         got_name = got_key = in_quote = false;
1145
1146         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1147
1148         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1149         {
1150                 if(!got_name)
1151                 {
1152                         /* We don't know the tag name yet. */
1153
1154                         if(*c != ' ')
1155                         {
1156                                 if(*c != '<')
1157                                 {
1158                                         tagname += *c;
1159                                 }
1160                         }
1161                         else
1162                         {
1163                                 /* We got to a space, we should have the tagname now. */
1164                                 if(tagname.length())
1165                                 {
1166                                         got_name = true;
1167                                 }
1168                         }
1169                 }
1170                 else
1171                 {
1172                         /* We have the tag name */
1173                         if (!got_key)
1174                         {
1175                                 /* We're still reading the key name */
1176                                 if (*c != '=')
1177                                 {
1178                                         if (*c != ' ')
1179                                         {
1180                                                 current_key += *c;
1181                                         }
1182                                 }
1183                                 else
1184                                 {
1185                                         /* We got an '=', end of the key name. */
1186                                         got_key = true;
1187                                 }
1188                         }
1189                         else
1190                         {
1191                                 /* We have the key name, now we're looking for quotes and the value */
1192
1193                                 /* Correctly handle escaped characters here.
1194                                  * See the XXX'ed section above.
1195                                  */
1196                                 if ((*c == '\\') && (in_quote))
1197                                 {
1198                                         c++;
1199                                         if (*c == 'n')
1200                                                 current_value += '\n';
1201                                         else
1202                                                 current_value += *c;
1203                                         continue;
1204                                 }
1205                                 else if ((*c == '\n') && (in_quote))
1206                                 {
1207                                         /* Got a 'real' \n, treat it as part of the value */
1208                                         current_value += '\n';
1209                                         continue;
1210                                 }
1211                                 else if ((*c == '\r') && (in_quote))
1212                                         /* Got a \r, drop it */
1213                                         continue;
1214
1215                                 if (*c == '"')
1216                                 {
1217                                         if (!in_quote)
1218                                         {
1219                                                 /* We're not already in a quote. */
1220                                                 in_quote = true;
1221                                         }
1222                                         else
1223                                         {
1224                                                 /* Leaving quotes, we have the value */
1225                                                 results.push_back(KeyVal(current_key, current_value));
1226
1227                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1228
1229                                                 in_quote = false;
1230                                                 got_key = false;
1231
1232                                                 if((tagname == "include") && (current_key == "file"))
1233                                                 {
1234                                                         if(!this->DoInclude(target, current_value, errorstream))
1235                                                                 return false;
1236                                                 }
1237
1238                                                 current_key.clear();
1239                                                 current_value.clear();
1240                                         }
1241                                 }
1242                                 else
1243                                 {
1244                                         if(in_quote)
1245                                         {
1246                                                 current_value += *c;
1247                                         }
1248                                 }
1249                         }
1250                 }
1251         }
1252
1253         /* Finished parsing the tag, add it to the config hash */
1254         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1255
1256         return true;
1257 }
1258
1259 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1260 {
1261         std::string confpath;
1262         std::string newfile;
1263         std::string::size_type pos;
1264
1265         confpath = ServerInstance->ConfigFileName;
1266         newfile = file;
1267
1268         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1269         {
1270                 if (*c == '\\')
1271                 {
1272                         *c = '/';
1273                 }
1274         }
1275
1276         if (file[0] != '/')
1277         {
1278                 if((pos = confpath.rfind("/")) != std::string::npos)
1279                 {
1280                         /* Leaves us with just the path */
1281                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1282                 }
1283                 else
1284                 {
1285                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1286                         return false;
1287                 }
1288         }
1289
1290         return LoadConf(target, newfile, errorstream);
1291 }
1292
1293 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1294 {
1295         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1296 }
1297
1298 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1299 {
1300         std::string value;
1301         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1302         strlcpy(result, value.c_str(), length);
1303         return r;
1304 }
1305
1306 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1307 {
1308         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1309 }
1310
1311 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)
1312 {
1313         ConfigDataHash::size_type pos = index;
1314         if((pos >= 0) && (pos < target.count(tag)))
1315         {
1316                 ConfigDataHash::iterator iter = target.find(tag);
1317
1318                 for(int i = 0; i < index; i++)
1319                         iter++;
1320
1321                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1322                 {
1323                         if(j->first == var)
1324                         {
1325                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1326                                 {
1327                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1328                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1329                                                 if (*n == '\n')
1330                                                         *n = ' ';
1331                                 }
1332                                 else
1333                                 {
1334                                         result = j->second;
1335                                         return true;
1336                                 }
1337                         }
1338                 }
1339                 if (!default_value.empty())
1340                 {
1341                         result = default_value;
1342                         return true;
1343                 }
1344         }
1345         else if(pos == 0)
1346         {
1347                 if (!default_value.empty())
1348                 {
1349                         result = default_value;
1350                         return true;
1351                 }
1352         }
1353         return false;
1354 }
1355
1356 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1357 {
1358         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1359 }
1360
1361 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1362 {
1363         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1364 }
1365
1366 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1367 {
1368         return ConfValueInteger(target, tag, var, "", index, result);
1369 }
1370
1371 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1372 {
1373         std::string value;
1374         std::istringstream stream;
1375         bool r = ConfValue(target, tag, var, default_value, index, value);
1376         stream.str(value);
1377         if(!(stream >> result))
1378                 return false;
1379         else
1380         {
1381                 if (!value.empty())
1382                 {
1383                         if (value.substr(0,2) == "0x")
1384                         {
1385                                 char* endptr;
1386
1387                                 value.erase(0,2);
1388                                 result = strtol(value.c_str(), &endptr, 16);
1389
1390                                 /* No digits found */
1391                                 if (endptr == value.c_str())
1392                                         return false;
1393                         }
1394                         else
1395                         {
1396                                 char denominator = *(value.end() - 1);
1397                                 switch (toupper(denominator))
1398                                 {
1399                                         case 'K':
1400                                                 /* Kilobytes -> bytes */
1401                                                 result = result * 1024;
1402                                         break;
1403                                         case 'M':
1404                                                 /* Megabytes -> bytes */
1405                                                 result = result * 1024 * 1024;
1406                                         break;
1407                                         case 'G':
1408                                                 /* Gigabytes -> bytes */
1409                                                 result = result * 1024 * 1024 * 1024;
1410                                         break;
1411                                 }
1412                         }
1413                 }
1414         }
1415         return r;
1416 }
1417
1418
1419 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1420 {
1421         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1422 }
1423
1424 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1425 {
1426         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1427 }
1428
1429 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1430 {
1431         return ConfValueBool(target, tag, var, "", index);
1432 }
1433
1434 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1435 {
1436         std::string result;
1437         if(!ConfValue(target, tag, var, default_value, index, result))
1438                 return false;
1439
1440         return ((result == "yes") || (result == "true") || (result == "1"));
1441 }
1442
1443 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1444 {
1445         return target.count(tag);
1446 }
1447
1448 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1449 {
1450         return target.count(tag);
1451 }
1452
1453 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1454 {
1455         return ConfVarEnum(target, std::string(tag), index);
1456 }
1457
1458 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1459 {
1460         ConfigDataHash::size_type pos = index;
1461
1462         if((pos >= 0) && (pos < target.count(tag)))
1463         {
1464                 ConfigDataHash::const_iterator iter = target.find(tag);
1465
1466                 for(int i = 0; i < index; i++)
1467                         iter++;
1468
1469                 return iter->second.size();
1470         }
1471
1472         return 0;
1473 }
1474
1475 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1476  */
1477 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1478 {
1479         if (!fname || !*fname)
1480                 return false;
1481
1482         FILE* file = NULL;
1483         char linebuf[MAXBUF];
1484
1485         F.clear();
1486
1487         if ((*fname != '/') && (*fname != '\\'))
1488         {
1489                 std::string::size_type pos;
1490                 std::string confpath = ServerInstance->ConfigFileName;
1491                 std::string newfile = fname;
1492
1493                 if ((pos = confpath.rfind("/")) != std::string::npos)
1494                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1495                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1496                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1497
1498                 if (!FileExists(newfile.c_str()))
1499                         return false;
1500                 file =  fopen(newfile.c_str(), "r");
1501         }
1502         else
1503         {
1504                 if (!FileExists(fname))
1505                         return false;
1506                 file =  fopen(fname, "r");
1507         }
1508
1509         if (file)
1510         {
1511                 while (!feof(file))
1512                 {
1513                         if (fgets(linebuf, sizeof(linebuf), file))
1514                                 linebuf[strlen(linebuf)-1] = 0;
1515                         else
1516                                 *linebuf = 0;
1517
1518                         if (!feof(file))
1519                         {
1520                                 F.push_back(*linebuf ? linebuf : " ");
1521                         }
1522                 }
1523
1524                 fclose(file);
1525         }
1526         else
1527                 return false;
1528
1529         return true;
1530 }
1531
1532 bool ServerConfig::FileExists(const char* file)
1533 {
1534         struct stat sb;
1535         if (stat(file, &sb) == -1)
1536                 return false;
1537
1538         if ((sb.st_mode & S_IFDIR) > 0)
1539                 return false;
1540
1541         FILE *input;
1542         if ((input = fopen (file, "r")) == NULL)
1543                 return false;
1544         else
1545         {
1546                 fclose(input);
1547                 return true;
1548         }
1549 }
1550
1551 char* ServerConfig::CleanFilename(char* name)
1552 {
1553         char* p = name + strlen(name);
1554         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1555         return (p != name ? ++p : p);
1556 }
1557
1558
1559 bool ServerConfig::DirValid(const char* dirandfile)
1560 {
1561 #ifdef WINDOWS
1562         return true;
1563 #endif
1564
1565         char work[1024];
1566         char buffer[1024];
1567         char otherdir[1024];
1568         int p;
1569
1570         strlcpy(work, dirandfile, 1024);
1571         p = strlen(work);
1572
1573         // we just want the dir
1574         while (*work)
1575         {
1576                 if (work[p] == '/')
1577                 {
1578                         work[p] = '\0';
1579                         break;
1580                 }
1581
1582                 work[p--] = '\0';
1583         }
1584
1585         // Get the current working directory
1586         if (getcwd(buffer, 1024 ) == NULL )
1587                 return false;
1588
1589         if (chdir(work) == -1)
1590                 return false;
1591
1592         if (getcwd(otherdir, 1024 ) == NULL )
1593                 return false;
1594
1595         if (chdir(buffer) == -1)
1596                 return false;
1597
1598         size_t t = strlen(work);
1599
1600         if (strlen(otherdir) >= t)
1601         {
1602                 otherdir[t] = '\0';
1603                 if (!strcmp(otherdir,work))
1604                 {
1605                         return true;
1606                 }
1607
1608                 return false;
1609         }
1610         else
1611         {
1612                 return false;
1613         }
1614 }
1615
1616 std::string ServerConfig::GetFullProgDir()
1617 {
1618         char buffer[PATH_MAX+1];
1619 #ifdef WINDOWS
1620         /* Windows has specific api calls to get the exe path that never fail.
1621          * For once, windows has something of use, compared to the POSIX code
1622          * for this, this is positively neato.
1623          */
1624         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1625         {
1626                 std::string fullpath = buffer;
1627                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1628                 return std::string(fullpath, 0, n);
1629         }
1630 #else
1631         // Get the current working directory
1632         if (getcwd(buffer, PATH_MAX))
1633         {
1634                 std::string remainder = this->argv[0];
1635
1636                 /* Does argv[0] start with /? its a full path, use it */
1637                 if (remainder[0] == '/')
1638                 {
1639                         std::string::size_type n = remainder.rfind("/inspircd");
1640                         return std::string(remainder, 0, n);
1641                 }
1642
1643                 std::string fullpath = std::string(buffer) + "/" + remainder;
1644                 std::string::size_type n = fullpath.rfind("/inspircd");
1645                 return std::string(fullpath, 0, n);
1646         }
1647 #endif
1648         return "/";
1649 }
1650
1651 InspIRCd* ServerConfig::GetInstance()
1652 {
1653         return ServerInstance;
1654 }
1655
1656
1657 ValueItem::ValueItem(int value)
1658 {
1659         std::stringstream n;
1660         n << value;
1661         v = n.str();
1662 }
1663
1664 ValueItem::ValueItem(bool value)
1665 {
1666         std::stringstream n;
1667         n << value;
1668         v = n.str();
1669 }
1670
1671 ValueItem::ValueItem(char* value)
1672 {
1673         v = value;
1674 }
1675
1676 void ValueItem::Set(char* value)
1677 {
1678         v = value;
1679 }
1680
1681 void ValueItem::Set(const char* value)
1682 {
1683         v = value;
1684 }
1685
1686 void ValueItem::Set(int value)
1687 {
1688         std::stringstream n;
1689         n << value;
1690         v = n.str();
1691 }
1692
1693 int ValueItem::GetInteger()
1694 {
1695         if (v.empty())
1696                 return 0;
1697         return atoi(v.c_str());
1698 }
1699
1700 char* ValueItem::GetString()
1701 {
1702         return (char*)v.c_str();
1703 }
1704
1705 bool ValueItem::GetBool()
1706 {
1707         return (GetInteger() || v == "yes" || v == "true");
1708 }
1709