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
  20 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  21
  22 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  23 {
  24         this->ClearStack();
  25         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  26         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  27         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  28         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  29         log_file = NULL;
  30         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
  31         CycleHosts = writelog = AllowHalfop = true;
  32         dns_timeout = DieDelay = 5;
  33         MaxTargets = 20;
  34         NetBufferSize = 10240;
  35         SoftLimit = MAXCLIENTS;
  36         MaxConn = SOMAXCONN;
  37         MaxWhoResults = 100;
  38         debugging = 0;
  39         LogLevel = DEFAULT;
  40         maxbans.clear();
  41         WhoWasGroupSize = 10;
  42         WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
  43         WhoWasMaxKeep = 3600*24*3; // 3 days
  44 }
  45
  46 void ServerConfig::ClearStack()
  47 {
  48         include_stack.clear();
  49 }
  50
  51 Module* ServerConfig::GetIOHook(int port)
  52 {
  53         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  54         return (x != IOHookModule.end() ? x->second : NULL);
  55 }
  56
  57 Module* ServerConfig::GetIOHook(InspSocket* is)
  58 {
  59         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  60         return (x != SocketIOHookModule.end() ? x->second : NULL);
  61 }
  62
  63 bool ServerConfig::AddIOHook(int port, Module* iomod)
  64 {
  65         if (!GetIOHook(port))
  66         {
  67                 IOHookModule[port] = iomod;
  68                 return true;
  69         }
  70         else
  71         {
  72                 throw ModuleException("Port already hooked by another module");
  73                 return false;
  74         }
  75 }
  76
  77 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  78 {
  79         if (!GetIOHook(is))
  80         {
  81                 ServerInstance->Log(DEBUG,"Hooked inspsocket %08x", is);
  82                 SocketIOHookModule[is] = iomod;
  83                 is->IsIOHooked = true;
  84                 return true;
  85         }
  86         else
  87         {
  88                 throw ModuleException("InspSocket derived class already hooked by another module");
  89                 return false;
  90         }
  91 }
  92
  93 bool ServerConfig::DelIOHook(int port)
  94 {
  95         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  96         if (x != IOHookModule.end())
  97         {
  98                 IOHookModule.erase(x);
  99                 return true;
 100         }
 101         return false;
 102 }
 103
 104 bool ServerConfig::DelIOHook(InspSocket* is)
 105 {
 106         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 107         if (x != SocketIOHookModule.end())
 108         {
 109                 SocketIOHookModule.erase(x);
 110                 return true;
 111         }
 112         return false;
 113 }
 114
 115 void ServerConfig::Update005()
 116 {
 117         std::stringstream out(data005);
 118         std::string token;
 119         std::string line5;
 120         int token_counter = 0;
 121         isupport.clear();
 122         while (out >> token)
 123         {
 124                 line5 = line5 + token + " ";
 125                 token_counter++;
 126                 if (token_counter >= 13)
 127                 {
 128                         char buf[MAXBUF];
 129                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 130                         isupport.push_back(buf);
 131                         line5 = "";
 132                         token_counter = 0;
 133                 }
 134         }
 135         char buf[MAXBUF];
 136         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 137         isupport.push_back(buf);
 138 }
 139
 140 void ServerConfig::Send005(userrec* user)
 141 {
 142         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 143                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 144 }
 145
 146 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 147 {
 148         int count = ConfValueEnum(this->config_data, tag);
 149
 150         if (count > 1)
 151         {
 152                 if (bail)
 153                 {
 154                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 155                         InspIRCd::Exit(ERROR);
 156                 }
 157                 else
 158                 {
 159                         if (user)
 160                         {
 161                                 user->WriteServ("There were errors in your configuration:");
 162                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 163                         }
 164                         else
 165                         {
 166                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 167                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 168                         }
 169                 }
 170                 return false;
 171         }
 172         if (count < 1)
 173         {
 174                 if (bail)
 175                 {
 176                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 177                         InspIRCd::Exit(ERROR);
 178                 }
 179                 else
 180                 {
 181                         if (user)
 182                         {
 183                                 user->WriteServ("There were errors in your configuration:");
 184                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 185                         }
 186                         else
 187                         {
 188                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 189                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 190                         }
 191                 }
 192                 return false;
 193         }
 194         return true;
 195 }
 196
 197 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 198 {
 199         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 200         return true;
 201 }
 202
 203 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 204 {
 205         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 206         {
 207                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 208                 data.Set(20);
 209         }
 210         return true;
 211 }
 212
 213 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 214 {
 215         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 216         {
 217                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 218                 data.Set(MAXCLIENTS);
 219         }
 220         return true;
 221 }
 222
 223 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 224 {
 225         if (data.GetInteger() > SOMAXCONN)
 226                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 227         if (!data.GetInteger())
 228                 data.Set(SOMAXCONN);
 229         return true;
 230 }
 231
 232 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 233 {
 234         if (!data.GetInteger())
 235                 data.Set(5);
 236         return true;
 237 }
 238
 239 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 240 {
 241         std::stringstream dcmds(data);
 242         std::string thiscmd;
 243
 244         /* Enable everything first */
 245         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 246                 x->second->Disable(false);
 247
 248         /* Now disable all the ones which the user wants disabled */
 249         while (dcmds >> thiscmd)
 250         {
 251                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 252                 if (cm != ServerInstance->Parser->cmdlist.end())
 253                 {
 254                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 255                         cm->second->Disable(true);
 256                 }
 257         }
 258         return true;
 259 }
 260
 261 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 262 {
 263         if (!*(data.GetString()))
 264         {
 265                 // attempt to look up their nameserver from /etc/resolv.conf
 266                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 267                 ifstream resolv("/etc/resolv.conf");
 268                 std::string nameserver;
 269                 bool found_server = false;
 270
 271                 if (resolv.is_open())
 272                 {
 273                         while (resolv >> nameserver)
 274                         {
 275                                 if ((nameserver == "nameserver") && (!found_server))
 276                                 {
 277                                         resolv >> nameserver;
 278                                         data.Set(nameserver.c_str());
 279                                         found_server = true;
 280                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 281                                 }
 282                         }
 283
 284                         if (!found_server)
 285                         {
 286                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 287                                 data.Set("127.0.0.1");
 288                         }
 289                 }
 290                 else
 291                 {
 292                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 293                         data.Set("127.0.0.1");
 294                 }
 295         }
 296         return true;
 297 }
 298
 299 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 300 {
 301         if (!*(data.GetString()))
 302                 data.Set(MOD_PATH);
 303         return true;
 304 }
 305
 306
 307 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 308 {
 309         if (!strchr(data.GetString(),'.'))
 310         {
 311                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 312                 std::string moo = std::string(data.GetString()).append(".");
 313                 data.Set(moo.c_str());
 314         }
 315         return true;
 316 }
 317
 318 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 319 {
 320         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 321         {
 322                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 323                 data.Set(10240);
 324         }
 325         return true;
 326 }
 327
 328 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 329 {
 330         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 331         {
 332                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 333                 data.Set(128);
 334         }
 335         return true;
 336 }
 337
 338 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 339 {
 340         std::string dbg = data.GetString();
 341         conf->LogLevel = DEFAULT;
 342
 343         if (dbg == "debug")
 344                 conf->LogLevel = DEBUG;
 345         else if (dbg  == "verbose")
 346                 conf->LogLevel = VERBOSE;
 347         else if (dbg == "default")
 348                 conf->LogLevel = DEFAULT;
 349         else if (dbg == "sparse")
 350                 conf->LogLevel = SPARSE;
 351         else if (dbg == "none")
 352                 conf->LogLevel = NONE;
 353
 354         conf->debugging = (conf->LogLevel == DEBUG);
 355
 356         return true;
 357 }
 358
 359 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 360 {
 361         conf->ReadFile(conf->MOTD, data.GetString());
 362         return true;
 363 }
 364
 365 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 366 {
 367         conf->ReadFile(conf->RULES, data.GetString());
 368         return true;
 369 }
 370
 371 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 372 {
 373         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 374
 375         if (conf->WhoWasGroupSize < 0)
 376                 conf->WhoWasGroupSize = 0;
 377
 378         if (conf->WhoWasMaxGroups < 0)
 379                 conf->WhoWasMaxGroups = 0;
 380
 381         if (conf->WhoWasMaxKeep < 3600)
 382         {
 383                 conf->WhoWasMaxKeep = 3600;
 384                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 385         }
 386         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 387         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 388         return true;
 389 }
 390
 391 /* Callback called before processing the first <connect> tag
 392  */
 393 bool InitConnect(ServerConfig* conf, const char* tag)
 394 {
 395         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 396         conf->Classes.clear();
 397         return true;
 398 }
 399
 400 /* Callback called to process a single <connect> tag
 401  */
 402 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 403 {
 404         ConnectClass c;
 405         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 406         const char* deny = values[1].GetString();
 407         const char* password = values[2].GetString();
 408         int timeout = values[3].GetInteger();
 409         int pingfreq = values[4].GetInteger();
 410         int flood = values[5].GetInteger();
 411         int threshold = values[6].GetInteger();
 412         int sendq = values[7].GetInteger();
 413         int recvq = values[8].GetInteger();
 414         int localmax = values[9].GetInteger();
 415         int globalmax = values[10].GetInteger();
 416
 417         if (*allow)
 418         {
 419                 c.host = allow;
 420                 c.type = CC_ALLOW;
 421                 c.pass = password;
 422                 c.registration_timeout = timeout;
 423                 c.pingtime = pingfreq;
 424                 c.flood = flood;
 425                 c.threshold = threshold;
 426                 c.sendqmax = sendq;
 427                 c.recvqmax = recvq;
 428                 c.maxlocal = localmax;
 429                 c.maxglobal = globalmax;
 430
 431
 432                 if (c.maxlocal == 0)
 433                         c.maxlocal = 3;
 434                 if (c.maxglobal == 0)
 435                         c.maxglobal = 3;
 436                 if (c.threshold == 0)
 437                 {
 438                         c.threshold = 1;
 439                         c.flood = 999;
 440                         conf->GetInstance()->Log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str());
 441                 }
 442                 if (c.sendqmax == 0)
 443                         c.sendqmax = 262114;
 444                 if (c.recvqmax == 0)
 445                         c.recvqmax = 4096;
 446                 if (c.registration_timeout == 0)
 447                         c.registration_timeout = 90;
 448                 if (c.pingtime == 0)
 449                         c.pingtime = 120;
 450                 conf->Classes.push_back(c);
 451         }
 452         else
 453         {
 454                 c.host = deny;
 455                 c.type = CC_DENY;
 456                 conf->Classes.push_back(c);
 457                 conf->GetInstance()->Log(DEBUG,"Read connect class type DENY, host=%s",deny);
 458         }
 459
 460         return true;
 461 }
 462
 463 /* Callback called when there are no more <connect> tags
 464  */
 465 bool DoneConnect(ServerConfig* conf, const char* tag)
 466 {
 467         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 468         return true;
 469 }
 470
 471 /* Callback called before processing the first <uline> tag
 472  */
 473 bool InitULine(ServerConfig* conf, const char* tag)
 474 {
 475         conf->ulines.clear();
 476         return true;
 477 }
 478
 479 /* Callback called to process a single <uline> tag
 480  */
 481 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 482 {
 483         const char* server = values[0].GetString();
 484         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 485         conf->ulines.push_back(server);
 486         return true;
 487 }
 488
 489 /* Callback called when there are no more <uline> tags
 490  */
 491 bool DoneULine(ServerConfig* conf, const char* tag)
 492 {
 493         return true;
 494 }
 495
 496 /* Callback called before processing the first <module> tag
 497  */
 498 bool InitModule(ServerConfig* conf, const char* tag)
 499 {
 500         old_module_names.clear();
 501         new_module_names.clear();
 502         added_modules.clear();
 503         removed_modules.clear();
 504         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 505         {
 506                 old_module_names.push_back(*t);
 507         }
 508         return true;
 509 }
 510
 511 /* Callback called to process a single <module> tag
 512  */
 513 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 514 {
 515         const char* modname = values[0].GetString();
 516         new_module_names.push_back(modname);
 517         return true;
 518 }
 519
 520 /* Callback called when there are no more <module> tags
 521  */
 522 bool DoneModule(ServerConfig* conf, const char* tag)
 523 {
 524         // now create a list of new modules that are due to be loaded
 525         // and a seperate list of modules which are due to be unloaded
 526         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 527         {
 528                 bool added = true;
 529
 530                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 531                 {
 532                         if (*old == *_new)
 533                                 added = false;
 534                 }
 535
 536                 if (added)
 537                         added_modules.push_back(*_new);
 538         }
 539
 540         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 541         {
 542                 bool removed = true;
 543                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 544                 {
 545                         if (*newm == *oldm)
 546                                 removed = false;
 547                 }
 548
 549                 if (removed)
 550                         removed_modules.push_back(*oldm);
 551         }
 552         return true;
 553 }
 554
 555 /* Callback called before processing the first <banlist> tag
 556  */
 557 bool InitMaxBans(ServerConfig* conf, const char* tag)
 558 {
 559         conf->maxbans.clear();
 560         return true;
 561 }
 562
 563 /* Callback called to process a single <banlist> tag
 564  */
 565 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 566 {
 567         const char* channel = values[0].GetString();
 568         int limit = values[1].GetInteger();
 569         conf->maxbans[channel] = limit;
 570         return true;
 571 }
 572
 573 /* Callback called when there are no more <banlist> tags.
 574  */
 575 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 576 {
 577         return true;
 578 }
 579
 580 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 581 {
 582         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 583         if (bail)
 584         {
 585                 /* Unneeded because of the ServerInstance->Log() aboive? */
 586                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 587                 InspIRCd::Exit(ERROR);
 588         }
 589         else
 590         {
 591                 std::string errors = errormessage;
 592                 std::string::size_type start;
 593                 unsigned int prefixlen;
 594                 start = 0;
 595                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 596                 prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 597                 if (user)
 598                 {
 599                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 600                         while (start < errors.length())
 601                         {
 602                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 603                                 start += 510 - prefixlen;
 604                         }
 605                 }
 606                 else
 607                 {
 608                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 609                         while (start < errors.length())
 610                         {
 611                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 612                                 start += 360;
 613                         }
 614                 }
 615                 return;
 616         }
 617 }
 618
 619 void ServerConfig::Read(bool bail, userrec* user)
 620 {
 621         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 622         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 623         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 624         std::ostringstream errstr;      /* String stream containing the error output */
 625
 626         /* These tags MUST occur and must ONLY occur once in the config file */
 627         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 628
 629         /* These tags can occur ONCE or not at all */
 630         InitialConfig Values[] = {
 631                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 632                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 633                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 634                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 635                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 636                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 637                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 638                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 639                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 640                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 641                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 642                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 643                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 644                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 645                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 646                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 647                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 648                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 649                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 650                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 651                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 652                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 653                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 654                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 655                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 656                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 657                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 658                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 659                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 660                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 661                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 662                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 663                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 664                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 665                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 666                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 667                 {NULL}
 668         };
 669
 670         /* These tags can occur multiple times, and therefore they have special code to read them
 671          * which is different to the code for reading the singular tags listed above.
 672          */
 673         MultiConfig MultiValues[] = {
 674
 675                 {"connect",
 676                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 677                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 678                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 679                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 680                                 InitConnect, DoConnect, DoneConnect},
 681
 682                 {"uline",
 683                                 {"server",      NULL},
 684                                 {DT_CHARPTR},
 685                                 InitULine,DoULine,DoneULine},
 686
 687                 {"banlist",
 688                                 {"chan",        "limit",        NULL},
 689                                 {DT_CHARPTR,    DT_INTEGER},
 690                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 691
 692                 {"module",
 693                                 {"name",        NULL},
 694                                 {DT_CHARPTR},
 695                                 InitModule, DoModule, DoneModule},
 696
 697                 {"badip",
 698                                 {"reason",      "ipmask",       NULL},
 699                                 {DT_CHARPTR,    DT_CHARPTR},
 700                                 InitXLine, DoZLine, DoneXLine},
 701
 702                 {"badnick",
 703                                 {"reason",      "nick",         NULL},
 704                                 {DT_CHARPTR,    DT_CHARPTR},
 705                                 InitXLine, DoQLine, DoneXLine},
 706
 707                 {"badhost",
 708                                 {"reason",      "host",         NULL},
 709                                 {DT_CHARPTR,    DT_CHARPTR},
 710                                 InitXLine, DoKLine, DoneXLine},
 711
 712                 {"exception",
 713                                 {"reason",      "host",         NULL},
 714                                 {DT_CHARPTR,    DT_CHARPTR},
 715                                 InitXLine, DoELine, DoneXLine},
 716
 717                 {"type",
 718                                 {"name",        "classes",      NULL},
 719                                 {DT_CHARPTR,    DT_CHARPTR},
 720                                 InitTypes, DoType, DoneClassesAndTypes},
 721
 722                 {"class",
 723                                 {"name",        "commands",     NULL},
 724                                 {DT_CHARPTR,    DT_CHARPTR},
 725                                 InitClasses, DoClass, DoneClassesAndTypes},
 726
 727                 {NULL}
 728         };
 729
 730         include_stack.clear();
 731
 732         /* Load and parse the config file, if there are any errors then explode */
 733
 734         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 735         ConfigDataHash newconfig;
 736
 737         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 738         {
 739                 /* If we succeeded, set the ircd config to the new one */
 740                 this->config_data = newconfig;
 741         }
 742         else
 743         {
 744                 ReportConfigError(errstr.str(), bail, user);
 745                 return;
 746         }
 747
 748         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 749         try
 750         {
 751                 /* Check we dont have more than one of singular tags, or any of them missing
 752                  */
 753                 for (int Index = 0; Once[Index]; Index++)
 754                         if (!CheckOnce(Once[Index], bail, user))
 755                                 return;
 756
 757                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 758                  */
 759                 for (int Index = 0; Values[Index].tag; Index++)
 760                 {
 761                         char item[MAXBUF];
 762                         int dt = Values[Index].datatype;
 763                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 764                         dt &= ~DT_ALLOW_NEWLINE;
 765
 766                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF, allow_newlines);
 767                         ValueItem vi(item);
 768
 769                         Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 770
 771                         switch (Values[Index].datatype)
 772                         {
 773                                 case DT_CHARPTR:
 774                                 {
 775                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 776                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 777                                 }
 778                                 break;
 779                                 case DT_INTEGER:
 780                                 {
 781                                         int val = vi.GetInteger();
 782                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 783                                         vci->Set(&val, sizeof(int));
 784                                 }
 785                                 break;
 786                                 case DT_BOOLEAN:
 787                                 {
 788                                         bool val = vi.GetBool();
 789                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 790                                         vcb->Set(&val, sizeof(bool));
 791                                 }
 792                                 break;
 793                                 default:
 794                                         /* You don't want to know what happens if someones bad code sends us here. */
 795                                 break;
 796                         }
 797
 798                         /* We're done with this now */
 799                         delete Values[Index].val;
 800                 }
 801
 802                 /* Read the multiple-tag items (class tags, connect tags, etc)
 803                  * and call the callbacks associated with them. We have three
 804                  * callbacks for these, a 'start', 'item' and 'end' callback.
 805                  */
 806                 for (int Index = 0; MultiValues[Index].tag; Index++)
 807                 {
 808                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 809
 810                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 811
 812                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 813                         {
 814                                 ValueList vl;
 815                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 816                                 {
 817                                         int dt = MultiValues[Index].datatype[valuenum];
 818                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 819                                         dt &= ~DT_ALLOW_NEWLINE;
 820
 821                                         switch (dt)
 822                                         {
 823                                                 case DT_CHARPTR:
 824                                                 {
 825                                                         char item[MAXBUF];
 826                                                         ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF, allow_newlines);
 827                                                         vl.push_back(ValueItem(item));
 828                                                 }
 829                                                 break;
 830                                                 case DT_INTEGER:
 831                                                 {
 832                                                         int item;
 833                                                         ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
 834                                                         vl.push_back(ValueItem(item));
 835                                                 }
 836                                                 break;
 837                                                 case DT_BOOLEAN:
 838                                                 {
 839                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 840                                                         vl.push_back(ValueItem(item));
 841                                                 }
 842                                                 break;
 843                                                 default:
 844                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 845                                                 break;
 846                                         }
 847                                 }
 848
 849                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 850                         }
 851
 852                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 853                 }
 854
 855         }
 856
 857         catch (CoreException &ce)
 858         {
 859                 ReportConfigError(ce.GetReason(), bail, user);
 860                 return;
 861         }
 862
 863         // write once here, to try it out and make sure its ok
 864         ServerInstance->WritePID(this->PID);
 865
 866         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 867
 868         /* If we're rehashing, let's load any new modules, and unload old ones
 869          */
 870         if (!bail)
 871         {
 872                 int found_ports = 0;
 873                 FailedPortList pl;
 874                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 875
 876                 if (pl.size())
 877                 {
 878                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 879                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 880                         int j = 1;
 881                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 882                         {
 883                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 884                         }
 885                 }
 886
 887                 if (!removed_modules.empty())
 888                 {
 889                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 890                         {
 891                                 if (ServerInstance->UnloadModule(removing->c_str()))
 892                                 {
 893                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 894
 895                                         if (user)
 896                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 897
 898                                         rem++;
 899                                 }
 900                                 else
 901                                 {
 902                                         if (user)
 903                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 904                                 }
 905                         }
 906                 }
 907
 908                 if (!added_modules.empty())
 909                 {
 910                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 911                         {
 912                                 if (ServerInstance->LoadModule(adding->c_str()))
 913                                 {
 914                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 915
 916                                         if (user)
 917                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 918
 919                                         add++;
 920                                 }
 921                                 else
 922                                 {
 923                                         if (user)
 924                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 925                                 }
 926                         }
 927                 }
 928
 929                 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());
 930         }
 931 }
 932
 933 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 934 {
 935         std::ifstream conf(filename);
 936         std::string line;
 937         char ch;
 938         long linenumber;
 939         bool in_tag;
 940         bool in_quote;
 941         bool in_comment;
 942
 943         linenumber = 1;
 944         in_tag = false;
 945         in_quote = false;
 946         in_comment = false;
 947
 948         /* Check if the file open failed first */
 949         if (!conf)
 950         {
 951                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 952                 return false;
 953         }
 954
 955         /* Fix the chmod of the file to restrict it to the current user and group */
 956         chmod(filename,0600);
 957
 958         for (unsigned int t = 0; t < include_stack.size(); t++)
 959         {
 960                 if (std::string(filename) == include_stack[t])
 961                 {
 962                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 963                         return false;
 964                 }
 965         }
 966
 967         /* It's not already included, add it to the list of files we've loaded */
 968         include_stack.push_back(filename);
 969
 970         /* Start reading characters... */
 971         while(conf.get(ch))
 972         {
 973                 /*
 974                  * Here we try and get individual tags on separate lines,
 975                  * this would be so easy if we just made people format
 976                  * their config files like that, but they don't so...
 977                  * We check for a '<' and then know the line is over when
 978                  * we get a '>' not inside quotes. If we find two '<' and
 979                  * no '>' then die with an error.
 980                  */
 981
 982                 if((ch == '#') && !in_quote)
 983                         in_comment = true;
 984
 985                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 986                 {
 987                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 988                         return false;
 989                 }*/
 990
 991                 switch(ch)
 992                 {
 993                         case '\n':
 994                                 if (in_quote)
 995                                 {
 996                                         ServerInstance->Log(DEBUG, "Got \\n inside value");
 997                                         line += '\n';
 998                                 }
 999                                 linenumber++;
1000                         case '\r':
1001                                 if (!in_quote)
1002                                         in_comment = false;
1003                         case '\0':
1004                                 continue;
1005                         case '\t':
1006                                 ch = ' ';
1007                 }
1008
1009                 if(in_comment)
1010                         continue;
1011
1012                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1013                  * Note that this WILL NOT usually allow insertion of newlines,
1014                  * because a newline is two characters long. Use it primarily to
1015                  * insert the " symbol.
1016                  *
1017                  * Note that this also involves a further check when parsing the line,
1018                  * which can be found below.
1019                  */
1020                 if ((ch == '\\') && (in_quote) && (in_tag))
1021                 {
1022                         line += ch;
1023                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
1024                         char real_character;
1025                         if (conf.get(real_character))
1026                         {
1027                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
1028                                 if (real_character == 'n')
1029                                         real_character = '\n';
1030                                 line += real_character;
1031                                 continue;
1032                         }
1033                         else
1034                         {
1035                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1036                                 return false;
1037                         }
1038                 }
1039
1040                 if (ch != '\r')
1041                         line += ch;
1042
1043                 if(ch == '<')
1044                 {
1045                         if(in_tag)
1046                         {
1047                                 if(!in_quote)
1048                                 {
1049                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1050                                         return false;
1051                                 }
1052                         }
1053                         else
1054                         {
1055                                 if(in_quote)
1056                                 {
1057                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1058                                         return false;
1059                                 }
1060                                 else
1061                                 {
1062                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1063                                         in_tag = true;
1064                                 }
1065                         }
1066                 }
1067                 else if(ch == '"')
1068                 {
1069                         if(in_tag)
1070                         {
1071                                 if(in_quote)
1072                                 {
1073                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1074                                         in_quote = false;
1075                                 }
1076                                 else
1077                                 {
1078                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1079                                         in_quote = true;
1080                                 }
1081                         }
1082                         else
1083                         {
1084                                 if(in_quote)
1085                                 {
1086                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1087                                 }
1088                                 else
1089                                 {
1090                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1091                                 }
1092                         }
1093                 }
1094                 else if(ch == '>')
1095                 {
1096                         if(!in_quote)
1097                         {
1098                                 if(in_tag)
1099                                 {
1100                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1101                                         in_tag = false;
1102
1103                                         /*
1104                                          * If this finds an <include> then ParseLine can simply call
1105                                          * LoadConf() and load the included config into the same ConfigDataHash
1106                                          */
1107
1108                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1109                                                 return false;
1110
1111                                         line.clear();
1112                                 }
1113                                 else
1114                                 {
1115                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1116                                         return false;
1117                                 }
1118                         }
1119                 }
1120         }
1121
1122         return true;
1123 }
1124
1125 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1126 {
1127         return this->LoadConf(target, filename.c_str(), errorstream);
1128 }
1129
1130 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1131 {
1132         std::string tagname;
1133         std::string current_key;
1134         std::string current_value;
1135         KeyValList results;
1136         bool got_name;
1137         bool got_key;
1138         bool in_quote;
1139
1140         got_name = got_key = in_quote = false;
1141
1142         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1143
1144         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1145         {
1146                 if(!got_name)
1147                 {
1148                         /* We don't know the tag name yet. */
1149
1150                         if(*c != ' ')
1151                         {
1152                                 if(*c != '<')
1153                                 {
1154                                         tagname += *c;
1155                                 }
1156                         }
1157                         else
1158                         {
1159                                 /* We got to a space, we should have the tagname now. */
1160                                 if(tagname.length())
1161                                 {
1162                                         got_name = true;
1163                                 }
1164                         }
1165                 }
1166                 else
1167                 {
1168                         /* We have the tag name */
1169                         if (!got_key)
1170                         {
1171                                 /* We're still reading the key name */
1172                                 if (*c != '=')
1173                                 {
1174                                         if (*c != ' ')
1175                                         {
1176                                                 current_key += *c;
1177                                         }
1178                                 }
1179                                 else
1180                                 {
1181                                         /* We got an '=', end of the key name. */
1182                                         got_key = true;
1183                                 }
1184                         }
1185                         else
1186                         {
1187                                 /* We have the key name, now we're looking for quotes and the value */
1188
1189                                 /* Correctly handle escaped characters here.
1190                                  * See the XXX'ed section above.
1191                                  */
1192                                 if ((*c == '\\') && (in_quote))
1193                                 {
1194                                         c++;
1195                                         if (*c == 'n')
1196                                                 current_value += '\n';
1197                                         else
1198                                                 current_value += *c;
1199                                         continue;
1200                                 }
1201                                 else if ((*c == '\n') && (in_quote))
1202                                 {
1203                                         /* Got a 'real' \n, treat it as part of the value */
1204                                         current_value += '\n';
1205                                         continue;
1206                                 }
1207                                 else if ((*c == '\r') && (in_quote))
1208                                         /* Got a \r, drop it */
1209                                         continue;
1210
1211                                 if (*c == '"')
1212                                 {
1213                                         if (!in_quote)
1214                                         {
1215                                                 /* We're not already in a quote. */
1216                                                 in_quote = true;
1217                                         }
1218                                         else
1219                                         {
1220                                                 /* Leaving quotes, we have the value */
1221                                                 results.push_back(KeyVal(current_key, current_value));
1222
1223                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1224
1225                                                 in_quote = false;
1226                                                 got_key = false;
1227
1228                                                 if((tagname == "include") && (current_key == "file"))
1229                                                 {
1230                                                         if(!this->DoInclude(target, current_value, errorstream))
1231                                                                 return false;
1232                                                 }
1233
1234                                                 current_key.clear();
1235                                                 current_value.clear();
1236                                         }
1237                                 }
1238                                 else
1239                                 {
1240                                         if(in_quote)
1241                                         {
1242                                                 current_value += *c;
1243                                         }
1244                                 }
1245                         }
1246                 }
1247         }
1248
1249         /* Finished parsing the tag, add it to the config hash */
1250         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1251
1252         return true;
1253 }
1254
1255 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1256 {
1257         std::string confpath;
1258         std::string newfile;
1259         std::string::size_type pos;
1260
1261         confpath = CONFIG_FILE;
1262         newfile = file;
1263
1264         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1265         {
1266                 if (*c == '\\')
1267                 {
1268                         *c = '/';
1269                 }
1270         }
1271
1272         if (file[0] != '/')
1273         {
1274                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1275                 {
1276                         /* Leaves us with just the path */
1277                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1278                 }
1279                 else
1280                 {
1281                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1282                         return false;
1283                 }
1284         }
1285
1286         return LoadConf(target, newfile, errorstream);
1287 }
1288
1289 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1290 {
1291         std::string value;
1292         bool r = ConfValue(target, std::string(tag), std::string(var), index, value, allow_linefeeds);
1293         strlcpy(result, value.c_str(), length);
1294         return r;
1295 }
1296
1297 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1298 {
1299         ConfigDataHash::size_type pos = index;
1300         if((pos >= 0) && (pos < target.count(tag)))
1301         {
1302                 ConfigDataHash::const_iterator iter = target.find(tag);
1303
1304                 for(int i = 0; i < index; i++)
1305                         iter++;
1306
1307                 for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++)
1308                 {
1309                         if(j->first == var)
1310                         {
1311                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1312                                 {
1313                                         throw CoreException("Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted");
1314                                 }
1315                                 else
1316                                 {
1317                                         result = j->second;
1318                                         return true;
1319                                 }
1320                         }
1321                 }
1322         }
1323         else if(pos == 0)
1324         {
1325                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1326         }
1327         else
1328         {
1329                 ServerInstance->Log(DEBUG, "ConfValue got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str());
1330         }
1331
1332         return false;
1333 }
1334
1335 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1336 {
1337         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1338 }
1339
1340 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1341 {
1342         std::string value;
1343         std::istringstream stream;
1344         bool r = ConfValue(target, tag, var, index, value);
1345         stream.str(value);
1346         if(!(stream >> result))
1347                 return false;
1348         return r;
1349 }
1350
1351 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1352 {
1353         return ConfValueBool(target, std::string(tag), std::string(var), index);
1354 }
1355
1356 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1357 {
1358         std::string result;
1359         if(!ConfValue(target, tag, var, index, result))
1360                 return false;
1361
1362         return ((result == "yes") || (result == "true") || (result == "1"));
1363 }
1364
1365 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1366 {
1367         return target.count(tag);
1368 }
1369
1370 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1371 {
1372         return target.count(tag);
1373 }
1374
1375 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1376 {
1377         return ConfVarEnum(target, std::string(tag), index);
1378 }
1379
1380 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1381 {
1382         ConfigDataHash::size_type pos = index;
1383
1384         if((pos >= 0) && (pos < target.count(tag)))
1385         {
1386                 ConfigDataHash::const_iterator iter = target.find(tag);
1387
1388                 for(int i = 0; i < index; i++)
1389                         iter++;
1390
1391                 return iter->second.size();
1392         }
1393         else if(pos == 0)
1394         {
1395                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1396         }
1397         else
1398         {
1399                 ServerInstance->Log(DEBUG, "ConfVarEnum got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str());
1400         }
1401
1402         return 0;
1403 }
1404
1405 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1406  */
1407 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1408 {
1409         FILE* file = NULL;
1410         char linebuf[MAXBUF];
1411
1412         F.clear();
1413
1414         if (*fname != '/')
1415         {
1416                 std::string::size_type pos;
1417                 std::string confpath = CONFIG_FILE;
1418                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1419                 {
1420                         /* Leaves us with just the path */
1421                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1422                         file =  fopen(newfile.c_str(), "r");
1423
1424                 }
1425         }
1426         else
1427                 file =  fopen(fname, "r");
1428
1429         if (file)
1430         {
1431                 while (!feof(file))
1432                 {
1433                         if (fgets(linebuf, sizeof(linebuf), file))
1434                                 linebuf[strlen(linebuf)-1] = 0;
1435                         else
1436                                 *linebuf = 0;
1437
1438                         if (!feof(file))
1439                         {
1440                                 F.push_back(*linebuf ? linebuf : " ");
1441                         }
1442                 }
1443
1444                 fclose(file);
1445         }
1446         else
1447                 return false;
1448
1449         return true;
1450 }
1451
1452 bool ServerConfig::FileExists(const char* file)
1453 {
1454         FILE *input;
1455         if ((input = fopen (file, "r")) == NULL)
1456         {
1457                 return false;
1458         }
1459         else
1460         {
1461                 fclose(input);
1462                 return true;
1463         }
1464 }
1465
1466 char* ServerConfig::CleanFilename(char* name)
1467 {
1468         char* p = name + strlen(name);
1469         while ((p != name) && (*p != '/')) p--;
1470         return (p != name ? ++p : p);
1471 }
1472
1473
1474 bool ServerConfig::DirValid(const char* dirandfile)
1475 {
1476         char work[MAXBUF];
1477         char buffer[MAXBUF];
1478         char otherdir[MAXBUF];
1479         int p;
1480
1481         strlcpy(work, dirandfile, MAXBUF);
1482         p = strlen(work);
1483
1484         // we just want the dir
1485         while (*work)
1486         {
1487                 if (work[p] == '/')
1488                 {
1489                         work[p] = '\0';
1490                         break;
1491                 }
1492
1493                 work[p--] = '\0';
1494         }
1495
1496         // Get the current working directory
1497         if (getcwd(buffer, MAXBUF ) == NULL )
1498                 return false;
1499
1500         if (chdir(work) == -1)
1501                 return false;
1502
1503         if (getcwd(otherdir, MAXBUF ) == NULL )
1504                 return false;
1505
1506         if (chdir(buffer) == -1)
1507                 return false;
1508
1509         size_t t = strlen(work);
1510
1511         if (strlen(otherdir) >= t)
1512         {
1513                 otherdir[t] = '\0';
1514
1515                 if (!strcmp(otherdir,work))
1516                 {
1517                         return true;
1518                 }
1519
1520                 return false;
1521         }
1522         else
1523         {
1524                 return false;
1525         }
1526 }
1527
1528 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1529 {
1530         char work[MAXBUF];
1531         char buffer[MAXBUF];
1532         char otherdir[MAXBUF];
1533         int p;
1534
1535         strlcpy(work,argv[0],MAXBUF);
1536         p = strlen(work);
1537
1538         // we just want the dir
1539         while (*work)
1540         {
1541                 if (work[p] == '/')
1542                 {
1543                         work[p] = '\0';
1544                         break;
1545                 }
1546
1547                 work[p--] = '\0';
1548         }
1549
1550         // Get the current working directory
1551         if (getcwd(buffer, MAXBUF) == NULL)
1552                 return "";
1553
1554         if (chdir(work) == -1)
1555                 return "";
1556
1557         if (getcwd(otherdir, MAXBUF) == NULL)
1558                 return "";
1559
1560         if (chdir(buffer) == -1)
1561                 return "";
1562
1563         return otherdir;
1564 }
1565
1566 InspIRCd* ServerConfig::GetInstance()
1567 {
1568         return ServerInstance;
1569 }
1570
1571
1572 ValueItem::ValueItem(int value)
1573 {
1574         std::stringstream n;
1575         n << value;
1576         v = n.str();
1577 }
1578
1579 ValueItem::ValueItem(bool value)
1580 {
1581         std::stringstream n;
1582         n << value;
1583         v = n.str();
1584 }
1585
1586 ValueItem::ValueItem(char* value)
1587 {
1588         v = value;
1589 }
1590
1591 void ValueItem::Set(char* value)
1592 {
1593         v = value;
1594 }
1595
1596 void ValueItem::Set(const char* value)
1597 {
1598         v = value;
1599 }
1600
1601 void ValueItem::Set(int value)
1602 {
1603         std::stringstream n;
1604         n << value;
1605         v = n.str();
1606 }
1607
1608 int ValueItem::GetInteger()
1609 {
1610         return atoi(v.c_str());
1611 }
1612
1613 char* ValueItem::GetString()
1614 {
1615         return (char*)v.c_str();
1616 }
1617
1618 bool ValueItem::GetBool()
1619 {
1620         return (GetInteger() || v == "yes" || v == "true");
1621 }
1622