src/configreader.cpp

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