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