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
  21 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  22
  23 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  24 {
  25         this->ClearStack();
  26         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  27         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  28         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  29         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  30         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  31         log_file = NULL;
  32         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  33         CycleHosts = writelog = AllowHalfop = true;
  34         dns_timeout = DieDelay = 5;
  35         MaxTargets = 20;
  36         NetBufferSize = 10240;
  37         SoftLimit = MAXCLIENTS;
  38         MaxConn = SOMAXCONN;
  39         MaxWhoResults = 100;
  40         debugging = 0;
  41         LogLevel = DEFAULT;
  42         maxbans.clear();
  43 }
  44
  45 void ServerConfig::ClearStack()
  46 {
  47         include_stack.clear();
  48 }
  49
  50 Module* ServerConfig::GetIOHook(int port)
  51 {
  52         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  53         return (x != IOHookModule.end() ? x->second : NULL);
  54 }
  55
  56 Module* ServerConfig::GetIOHook(InspSocket* is)
  57 {
  58         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  59         return (x != SocketIOHookModule.end() ? x->second : NULL);
  60 }
  61
  62 bool ServerConfig::AddIOHook(int port, Module* iomod)
  63 {
  64         if (!GetIOHook(port))
  65         {
  66                 IOHookModule[port] = iomod;
  67                 return true;
  68         }
  69         else
  70         {
  71                 throw ModuleException("Port already hooked by another module");
  72                 return false;
  73         }
  74 }
  75
  76 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  77 {
  78         if (!GetIOHook(is))
  79         {
  80                 ServerInstance->Log(DEBUG,"Hooked inspsocket %08x", is);
  81                 SocketIOHookModule[is] = iomod;
  82                 is->IsIOHooked = true;
  83                 return true;
  84         }
  85         else
  86         {
  87                 throw ModuleException("InspSocket derived class already hooked by another module");
  88                 return false;
  89         }
  90 }
  91
  92 bool ServerConfig::DelIOHook(int port)
  93 {
  94         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  95         if (x != IOHookModule.end())
  96         {
  97                 IOHookModule.erase(x);
  98                 return true;
  99         }
 100         return false;
 101 }
 102
 103 bool ServerConfig::DelIOHook(InspSocket* is)
 104 {
 105         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 106         if (x != SocketIOHookModule.end())
 107         {
 108                 SocketIOHookModule.erase(x);
 109                 return true;
 110         }
 111         return false;
 112 }
 113
 114 void ServerConfig::Update005()
 115 {
 116         std::stringstream out(data005);
 117         std::string token;
 118         std::string line5;
 119         int token_counter = 0;
 120         isupport.clear();
 121         while (out >> token)
 122         {
 123                 line5 = line5 + token + " ";
 124                 token_counter++;
 125                 if (token_counter >= 13)
 126                 {
 127                         char buf[MAXBUF];
 128                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 129                         isupport.push_back(buf);
 130                         line5 = "";
 131                         token_counter = 0;
 132                 }
 133         }
 134         char buf[MAXBUF];
 135         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 136         isupport.push_back(buf);
 137 }
 138
 139 void ServerConfig::Send005(userrec* user)
 140 {
 141         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 142                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 143 }
 144
 145 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 146 {
 147         int count = ConfValueEnum(this->config_data, tag);
 148
 149         if (count > 1)
 150         {
 151                 if (bail)
 152                 {
 153                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 154                         InspIRCd::Exit(EXIT_STATUS_CONFIG);
 155                 }
 156                 else
 157                 {
 158                         if (user)
 159                         {
 160                                 user->WriteServ("There were errors in your configuration:");
 161                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 162                         }
 163                         else
 164                         {
 165                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 166                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 167                         }
 168                 }
 169                 return false;
 170         }
 171         if (count < 1)
 172         {
 173                 if (bail)
 174                 {
 175                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 176                         InspIRCd::Exit(EXIT_STATUS_CONFIG);
 177                 }
 178                 else
 179                 {
 180                         if (user)
 181                         {
 182                                 user->WriteServ("There were errors in your configuration:");
 183                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 184                         }
 185                         else
 186                         {
 187                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 188                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 189                         }
 190                 }
 191                 return false;
 192         }
 193         return true;
 194 }
 195
 196 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 197 {
 198         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 199         return true;
 200 }
 201
 202 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 203 {
 204         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 205         {
 206                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 207                 data.Set(20);
 208         }
 209         return true;
 210 }
 211
 212 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 213 {
 214         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 215         {
 216                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 217                 data.Set(MAXCLIENTS);
 218         }
 219         return true;
 220 }
 221
 222 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 223 {
 224         if (data.GetInteger() > SOMAXCONN)
 225                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 226         if (!data.GetInteger())
 227                 data.Set(SOMAXCONN);
 228         return true;
 229 }
 230
 231 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 232 {
 233         if (!data.GetInteger())
 234                 data.Set(5);
 235         return true;
 236 }
 237
 238 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 239 {
 240         std::stringstream dcmds(data);
 241         std::string thiscmd;
 242
 243         /* Enable everything first */
 244         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 245                 x->second->Disable(false);
 246
 247         /* Now disable all the ones which the user wants disabled */
 248         while (dcmds >> thiscmd)
 249         {
 250                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 251                 if (cm != ServerInstance->Parser->cmdlist.end())
 252                 {
 253                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 254                         cm->second->Disable(true);
 255                 }
 256         }
 257         return true;
 258 }
 259
 260 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 261 {
 262         if (!*(data.GetString()))
 263         {
 264                 // attempt to look up their nameserver from /etc/resolv.conf
 265                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 266                 ifstream resolv("/etc/resolv.conf");
 267                 std::string nameserver;
 268                 bool found_server = false;
 269
 270                 if (resolv.is_open())
 271                 {
 272                         while (resolv >> nameserver)
 273                         {
 274                                 if ((nameserver == "nameserver") && (!found_server))
 275                                 {
 276                                         resolv >> nameserver;
 277                                         data.Set(nameserver.c_str());
 278                                         found_server = true;
 279                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 280                                 }
 281                         }
 282
 283                         if (!found_server)
 284                         {
 285                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 286                                 data.Set("127.0.0.1");
 287                         }
 288                 }
 289                 else
 290                 {
 291                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 292                         data.Set("127.0.0.1");
 293                 }
 294         }
 295         return true;
 296 }
 297
 298 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 299 {
 300         if (!*(data.GetString()))
 301                 data.Set(MOD_PATH);
 302         return true;
 303 }
 304
 305
 306 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 307 {
 308         if (!strchr(data.GetString(),'.'))
 309         {
 310                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 311                 std::string moo = std::string(data.GetString()).append(".");
 312                 data.Set(moo.c_str());
 313         }
 314         return true;
 315 }
 316
 317 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 318 {
 319         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 320         {
 321                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 322                 data.Set(10240);
 323         }
 324         return true;
 325 }
 326
 327 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 328 {
 329         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 330         {
 331                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 332                 data.Set(128);
 333         }
 334         return true;
 335 }
 336
 337 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 338 {
 339         std::string dbg = data.GetString();
 340         conf->LogLevel = DEFAULT;
 341
 342         if (dbg == "debug")
 343                 conf->LogLevel = DEBUG;
 344         else if (dbg  == "verbose")
 345                 conf->LogLevel = VERBOSE;
 346         else if (dbg == "default")
 347                 conf->LogLevel = DEFAULT;
 348         else if (dbg == "sparse")
 349                 conf->LogLevel = SPARSE;
 350         else if (dbg == "none")
 351                 conf->LogLevel = NONE;
 352
 353         conf->debugging = (conf->LogLevel == DEBUG);
 354
 355         return true;
 356 }
 357
 358 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 359 {
 360         conf->ReadFile(conf->MOTD, data.GetString());
 361         return true;
 362 }
 363
 364 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 365 {
 366         conf->ReadFile(conf->RULES, data.GetString());
 367         return true;
 368 }
 369
 370 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 371 {
 372         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 373
 374         if (conf->WhoWasGroupSize < 0)
 375                 conf->WhoWasGroupSize = 0;
 376
 377         if (conf->WhoWasMaxGroups < 0)
 378                 conf->WhoWasMaxGroups = 0;
 379
 380         if (conf->WhoWasMaxKeep < 3600)
 381         {
 382                 conf->WhoWasMaxKeep = 3600;
 383                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 384         }
 385         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 386         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 387         return true;
 388 }
 389
 390 /* Callback called before processing the first <connect> tag
 391  */
 392 bool InitConnect(ServerConfig* conf, const char* tag)
 393 {
 394         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 395         conf->Classes.clear();
 396         return true;
 397 }
 398
 399 /* Callback called to process a single <connect> tag
 400  */
 401 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 402 {
 403         ConnectClass c;
 404         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 405         const char* deny = values[1].GetString();
 406         const char* password = values[2].GetString();
 407         int timeout = values[3].GetInteger();
 408         int pingfreq = values[4].GetInteger();
 409         int flood = values[5].GetInteger();
 410         int threshold = values[6].GetInteger();
 411         int sendq = values[7].GetInteger();
 412         int recvq = values[8].GetInteger();
 413         int localmax = values[9].GetInteger();
 414         int globalmax = values[10].GetInteger();
 415
 416         if (*allow)
 417         {
 418                 ConnectClass c(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax);
 419                 conf->Classes.push_back(c);
 420         }
 421         else
 422         {
 423                 ConnectClass c(deny);
 424                 conf->Classes.push_back(c);
 425         }
 426
 427         return true;
 428 }
 429
 430 /* Callback called when there are no more <connect> tags
 431  */
 432 bool DoneConnect(ServerConfig* conf, const char* tag)
 433 {
 434         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 435         return true;
 436 }
 437
 438 /* Callback called before processing the first <uline> tag
 439  */
 440 bool InitULine(ServerConfig* conf, const char* tag)
 441 {
 442         conf->ulines.clear();
 443         return true;
 444 }
 445
 446 /* Callback called to process a single <uline> tag
 447  */
 448 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 449 {
 450         const char* server = values[0].GetString();
 451         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 452         conf->ulines.push_back(server);
 453         return true;
 454 }
 455
 456 /* Callback called when there are no more <uline> tags
 457  */
 458 bool DoneULine(ServerConfig* conf, const char* tag)
 459 {
 460         return true;
 461 }
 462
 463 /* Callback called before processing the first <module> tag
 464  */
 465 bool InitModule(ServerConfig* conf, const char* tag)
 466 {
 467         old_module_names.clear();
 468         new_module_names.clear();
 469         added_modules.clear();
 470         removed_modules.clear();
 471         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 472         {
 473                 old_module_names.push_back(*t);
 474         }
 475         return true;
 476 }
 477
 478 /* Callback called to process a single <module> tag
 479  */
 480 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 481 {
 482         const char* modname = values[0].GetString();
 483         new_module_names.push_back(modname);
 484         return true;
 485 }
 486
 487 /* Callback called when there are no more <module> tags
 488  */
 489 bool DoneModule(ServerConfig* conf, const char* tag)
 490 {
 491         // now create a list of new modules that are due to be loaded
 492         // and a seperate list of modules which are due to be unloaded
 493         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 494         {
 495                 bool added = true;
 496
 497                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 498                 {
 499                         if (*old == *_new)
 500                                 added = false;
 501                 }
 502
 503                 if (added)
 504                         added_modules.push_back(*_new);
 505         }
 506
 507         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 508         {
 509                 bool removed = true;
 510                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 511                 {
 512                         if (*newm == *oldm)
 513                                 removed = false;
 514                 }
 515
 516                 if (removed)
 517                         removed_modules.push_back(*oldm);
 518         }
 519         return true;
 520 }
 521
 522 /* Callback called before processing the first <banlist> tag
 523  */
 524 bool InitMaxBans(ServerConfig* conf, const char* tag)
 525 {
 526         conf->maxbans.clear();
 527         return true;
 528 }
 529
 530 /* Callback called to process a single <banlist> tag
 531  */
 532 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 533 {
 534         const char* channel = values[0].GetString();
 535         int limit = values[1].GetInteger();
 536         conf->maxbans[channel] = limit;
 537         return true;
 538 }
 539
 540 /* Callback called when there are no more <banlist> tags.
 541  */
 542 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 543 {
 544         return true;
 545 }
 546
 547 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 548 {
 549         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 550         if (bail)
 551         {
 552                 /* Unneeded because of the ServerInstance->Log() aboive? */
 553                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 554                 InspIRCd::Exit(EXIT_STATUS_CONFIG);
 555         }
 556         else
 557         {
 558                 std::string errors = errormessage;
 559                 std::string::size_type start;
 560                 unsigned int prefixlen;
 561                 start = 0;
 562                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 563                 prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 564                 if (user)
 565                 {
 566                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 567                         while (start < errors.length())
 568                         {
 569                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 570                                 start += 510 - prefixlen;
 571                         }
 572                 }
 573                 else
 574                 {
 575                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 576                         while (start < errors.length())
 577                         {
 578                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 579                                 start += 360;
 580                         }
 581                 }
 582                 return;
 583         }
 584 }
 585
 586 void ServerConfig::Read(bool bail, userrec* user)
 587 {
 588         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 589         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 590         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 591         std::ostringstream errstr;      /* String stream containing the error output */
 592
 593         /* These tags MUST occur and must ONLY occur once in the config file */
 594         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 595
 596         /* These tags can occur ONCE or not at all */
 597         InitialConfig Values[] = {
 598                 {"options",     "softlimit",    "",             new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 599                 {"options",     "somaxconn",    "",             new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 600                 {"server",      "name",         "",             new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 601                 {"server",      "description",  "",             new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 602                 {"server",      "network",      "",             new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 603                 {"admin",       "name",         "",             new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 604                 {"admin",       "email",        "",             new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 605                 {"admin",       "nick",         "",             new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 606                 {"files",       "motd",         "",             new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 607                 {"files",       "rules",        "",             new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 608                 {"power",       "diepass",      "",             new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 609                 {"power",       "pause",        "",             new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 610                 {"power",       "restartpass",  "",             new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 611                 {"options",     "prefixquit",   "",             new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 612                 {"options",     "loglevel",     "",             new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 613                 {"options",     "netbuffersize","",             new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 614                 {"options",     "maxwho",       "",             new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 615                 {"options",     "allowhalfop",  "",             new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 616                 {"dns",         "server",       "",             new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 617                 {"dns",         "timeout",      "",             new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 618                 {"options",     "moduledir",    "",             new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 619                 {"disabled",    "commands",     "",             new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 620                 {"options",     "userstats",    "",             new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 621                 {"options",     "customversion","",             new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 622                 {"options",     "hidesplits",   "",             new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 623                 {"options",     "hidebans",     "",             new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 624                 {"options",     "hidewhois",    "",             new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 625                 {"options",     "operspywhois", "",             new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 626                 {"options",     "nouserdns",    "",             new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 627                 {"options",     "syntaxhints",  "",             new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 628                 {"options",     "cyclehosts",   "",             new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 629                 {"options",     "ircumsgprefix","0",            new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 630                 {"pid",         "file",         "",             new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 631                 {"whowas",      "groupsize",    "10",           new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 632                 {"whowas",      "maxgroups",    "10240",        new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 633                 {"whowas",      "maxkeep",      "3600",         new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 634                 {"die",         "value",        "",             new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 635                 {NULL}
 636         };
 637
 638         /* These tags can occur multiple times, and therefore they have special code to read them
 639          * which is different to the code for reading the singular tags listed above.
 640          */
 641         MultiConfig MultiValues[] = {
 642
 643                 {"connect",
 644                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 645                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 646                                 {"", "", "", "", "", "", "", "", "", "", "", NULL},
 647                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 648                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 649                                 InitConnect, DoConnect, DoneConnect},
 650
 651                 {"uline",
 652                                 {"server",      NULL},
 653                                 {"", NULL},
 654                                 {DT_CHARPTR},
 655                                 InitULine,DoULine,DoneULine},
 656
 657                 {"banlist",
 658                                 {"chan",        "limit",        NULL},
 659                                 {"", "", NULL},
 660                                 {DT_CHARPTR,    DT_INTEGER},
 661                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 662
 663                 {"module",
 664                                 {"name",        NULL},
 665                                 {"", NULL},
 666                                 {DT_CHARPTR},
 667                                 InitModule, DoModule, DoneModule},
 668
 669                 {"badip",
 670                                 {"reason",      "ipmask",       NULL},
 671                                 {"", "", NULL},
 672                                 {DT_CHARPTR,    DT_CHARPTR},
 673                                 InitXLine, DoZLine, DoneXLine},
 674
 675                 {"badnick",
 676                                 {"reason",      "nick",         NULL},
 677                                 {"", "", NULL},
 678                                 {DT_CHARPTR,    DT_CHARPTR},
 679                                 InitXLine, DoQLine, DoneXLine},
 680
 681                 {"badhost",
 682                                 {"reason",      "host",         NULL},
 683                                 {"", "", NULL},
 684                                 {DT_CHARPTR,    DT_CHARPTR},
 685                                 InitXLine, DoKLine, DoneXLine},
 686
 687                 {"exception",
 688                                 {"reason",      "host",         NULL},
 689                                 {"", "", NULL},
 690                                 {DT_CHARPTR,    DT_CHARPTR},
 691                                 InitXLine, DoELine, DoneXLine},
 692
 693                 {"type",
 694                                 {"name",        "classes",      NULL},
 695                                 {"", "", NULL},
 696                                 {DT_CHARPTR,    DT_CHARPTR},
 697                                 InitTypes, DoType, DoneClassesAndTypes},
 698
 699                 {"class",
 700                                 {"name",        "commands",     NULL},
 701                                 {"", "", NULL},
 702                                 {DT_CHARPTR,    DT_CHARPTR},
 703                                 InitClasses, DoClass, DoneClassesAndTypes},
 704
 705                 {NULL}
 706         };
 707
 708         include_stack.clear();
 709
 710         /* Load and parse the config file, if there are any errors then explode */
 711
 712         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 713         ConfigDataHash newconfig;
 714
 715         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 716         {
 717                 /* If we succeeded, set the ircd config to the new one */
 718                 this->config_data = newconfig;
 719         }
 720         else
 721         {
 722                 ReportConfigError(errstr.str(), bail, user);
 723                 return;
 724         }
 725
 726         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 727         try
 728         {
 729                 /* Check we dont have more than one of singular tags, or any of them missing
 730                  */
 731                 for (int Index = 0; Once[Index]; Index++)
 732                         if (!CheckOnce(Once[Index], bail, user))
 733                                 return;
 734
 735                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 736                  */
 737                 for (int Index = 0; Values[Index].tag; Index++)
 738                 {
 739                         char item[MAXBUF];
 740                         int dt = Values[Index].datatype;
 741                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 742                         dt &= ~DT_ALLOW_NEWLINE;
 743
 744                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 745                         ValueItem vi(item);
 746
 747                         Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 748
 749                         switch (Values[Index].datatype)
 750                         {
 751                                 case DT_CHARPTR:
 752                                 {
 753                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 754                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 755                                 }
 756                                 break;
 757                                 case DT_INTEGER:
 758                                 {
 759                                         int val = vi.GetInteger();
 760                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 761                                         vci->Set(&val, sizeof(int));
 762                                 }
 763                                 break;
 764                                 case DT_BOOLEAN:
 765                                 {
 766                                         bool val = vi.GetBool();
 767                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 768                                         vcb->Set(&val, sizeof(bool));
 769                                 }
 770                                 break;
 771                                 default:
 772                                         /* You don't want to know what happens if someones bad code sends us here. */
 773                                 break;
 774                         }
 775
 776                         /* We're done with this now */
 777                         delete Values[Index].val;
 778                 }
 779
 780                 /* Read the multiple-tag items (class tags, connect tags, etc)
 781                  * and call the callbacks associated with them. We have three
 782                  * callbacks for these, a 'start', 'item' and 'end' callback.
 783                  */
 784                 for (int Index = 0; MultiValues[Index].tag; Index++)
 785                 {
 786                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 787
 788                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 789
 790                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 791                         {
 792                                 ValueList vl;
 793                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 794                                 {
 795                                         int dt = MultiValues[Index].datatype[valuenum];
 796                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 797                                         dt &= ~DT_ALLOW_NEWLINE;
 798
 799                                         switch (dt)
 800                                         {
 801                                                 case DT_CHARPTR:
 802                                                 {
 803                                                         char item[MAXBUF];
 804                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 805                                                                 vl.push_back(ValueItem(item));
 806                                                         else
 807                                                                 vl.push_back(ValueItem(""));
 808                                                 }
 809                                                 break;
 810                                                 case DT_INTEGER:
 811                                                 {
 812                                                         int item = 0;
 813                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 814                                                                 vl.push_back(ValueItem(item));
 815                                                         else
 816                                                                 vl.push_back(ValueItem(0));
 817                                                 }
 818                                                 break;
 819                                                 case DT_BOOLEAN:
 820                                                 {
 821                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 822                                                         vl.push_back(ValueItem(item));
 823                                                 }
 824                                                 break;
 825                                                 default:
 826                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 827                                                 break;
 828                                         }
 829                                 }
 830
 831                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 832                         }
 833
 834                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 835                 }
 836
 837         }
 838
 839         catch (CoreException &ce)
 840         {
 841                 ReportConfigError(ce.GetReason(), bail, user);
 842                 return;
 843         }
 844
 845         // write once here, to try it out and make sure its ok
 846         ServerInstance->WritePID(this->PID);
 847
 848         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 849
 850         /* If we're rehashing, let's load any new modules, and unload old ones
 851          */
 852         if (!bail)
 853         {
 854                 int found_ports = 0;
 855                 FailedPortList pl;
 856                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 857
 858                 if (pl.size())
 859                 {
 860                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 861                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 862                         int j = 1;
 863                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 864                         {
 865                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 866                         }
 867                 }
 868
 869                 if (!removed_modules.empty())
 870                 {
 871                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 872                         {
 873                                 if (ServerInstance->UnloadModule(removing->c_str()))
 874                                 {
 875                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 876
 877                                         if (user)
 878                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 879
 880                                         rem++;
 881                                 }
 882                                 else
 883                                 {
 884                                         if (user)
 885                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 886                                 }
 887                         }
 888                 }
 889
 890                 if (!added_modules.empty())
 891                 {
 892                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 893                         {
 894                                 if (ServerInstance->LoadModule(adding->c_str()))
 895                                 {
 896                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 897
 898                                         if (user)
 899                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 900
 901                                         add++;
 902                                 }
 903                                 else
 904                                 {
 905                                         if (user)
 906                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 907                                 }
 908                         }
 909                 }
 910
 911                 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());
 912         }
 913 }
 914
 915 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 916 {
 917         std::ifstream conf(filename);
 918         std::string line;
 919         char ch;
 920         long linenumber;
 921         bool in_tag;
 922         bool in_quote;
 923         bool in_comment;
 924
 925         linenumber = 1;
 926         in_tag = false;
 927         in_quote = false;
 928         in_comment = false;
 929
 930         /* Check if the file open failed first */
 931         if (!conf)
 932         {
 933                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 934                 return false;
 935         }
 936
 937         /* Fix the chmod of the file to restrict it to the current user and group */
 938         chmod(filename,0600);
 939
 940         for (unsigned int t = 0; t < include_stack.size(); t++)
 941         {
 942                 if (std::string(filename) == include_stack[t])
 943                 {
 944                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 945                         return false;
 946                 }
 947         }
 948
 949         /* It's not already included, add it to the list of files we've loaded */
 950         include_stack.push_back(filename);
 951
 952         /* Start reading characters... */
 953         while(conf.get(ch))
 954         {
 955                 /*
 956                  * Here we try and get individual tags on separate lines,
 957                  * this would be so easy if we just made people format
 958                  * their config files like that, but they don't so...
 959                  * We check for a '<' and then know the line is over when
 960                  * we get a '>' not inside quotes. If we find two '<' and
 961                  * no '>' then die with an error.
 962                  */
 963
 964                 if((ch == '#') && !in_quote)
 965                         in_comment = true;
 966
 967                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 968                 {
 969                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 970                         return false;
 971                 }*/
 972
 973                 switch(ch)
 974                 {
 975                         case '\n':
 976                                 if (in_quote)
 977                                 {
 978                                         ServerInstance->Log(DEBUG, "Got \\n inside value");
 979                                         line += '\n';
 980                                 }
 981                                 linenumber++;
 982                         case '\r':
 983                                 if (!in_quote)
 984                                         in_comment = false;
 985                         case '\0':
 986                                 continue;
 987                         case '\t':
 988                                 ch = ' ';
 989                 }
 990
 991                 if(in_comment)
 992                         continue;
 993
 994                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 995                  * Note that this WILL NOT usually allow insertion of newlines,
 996                  * because a newline is two characters long. Use it primarily to
 997                  * insert the " symbol.
 998                  *
 999                  * Note that this also involves a further check when parsing the line,
1000                  * which can be found below.
1001                  */
1002                 if ((ch == '\\') && (in_quote) && (in_tag))
1003                 {
1004                         line += ch;
1005                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
1006                         char real_character;
1007                         if (conf.get(real_character))
1008                         {
1009                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
1010                                 if (real_character == 'n')
1011                                         real_character = '\n';
1012                                 line += real_character;
1013                                 continue;
1014                         }
1015                         else
1016                         {
1017                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1018                                 return false;
1019                         }
1020                 }
1021
1022                 if (ch != '\r')
1023                         line += ch;
1024
1025                 if(ch == '<')
1026                 {
1027                         if(in_tag)
1028                         {
1029                                 if(!in_quote)
1030                                 {
1031                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1032                                         return false;
1033                                 }
1034                         }
1035                         else
1036                         {
1037                                 if(in_quote)
1038                                 {
1039                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1040                                         return false;
1041                                 }
1042                                 else
1043                                 {
1044                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1045                                         in_tag = true;
1046                                 }
1047                         }
1048                 }
1049                 else if(ch == '"')
1050                 {
1051                         if(in_tag)
1052                         {
1053                                 if(in_quote)
1054                                 {
1055                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1056                                         in_quote = false;
1057                                 }
1058                                 else
1059                                 {
1060                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1061                                         in_quote = true;
1062                                 }
1063                         }
1064                         else
1065                         {
1066                                 if(in_quote)
1067                                 {
1068                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1069                                 }
1070                                 else
1071                                 {
1072                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1073                                 }
1074                         }
1075                 }
1076                 else if(ch == '>')
1077                 {
1078                         if(!in_quote)
1079                         {
1080                                 if(in_tag)
1081                                 {
1082                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1083                                         in_tag = false;
1084
1085                                         /*
1086                                          * If this finds an <include> then ParseLine can simply call
1087                                          * LoadConf() and load the included config into the same ConfigDataHash
1088                                          */
1089
1090                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1091                                                 return false;
1092
1093                                         line.clear();
1094                                 }
1095                                 else
1096                                 {
1097                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1098                                         return false;
1099                                 }
1100                         }
1101                 }
1102         }
1103
1104         return true;
1105 }
1106
1107 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1108 {
1109         return this->LoadConf(target, filename.c_str(), errorstream);
1110 }
1111
1112 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1113 {
1114         std::string tagname;
1115         std::string current_key;
1116         std::string current_value;
1117         KeyValList results;
1118         bool got_name;
1119         bool got_key;
1120         bool in_quote;
1121
1122         got_name = got_key = in_quote = false;
1123
1124         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1125
1126         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1127         {
1128                 if(!got_name)
1129                 {
1130                         /* We don't know the tag name yet. */
1131
1132                         if(*c != ' ')
1133                         {
1134                                 if(*c != '<')
1135                                 {
1136                                         tagname += *c;
1137                                 }
1138                         }
1139                         else
1140                         {
1141                                 /* We got to a space, we should have the tagname now. */
1142                                 if(tagname.length())
1143                                 {
1144                                         got_name = true;
1145                                 }
1146                         }
1147                 }
1148                 else
1149                 {
1150                         /* We have the tag name */
1151                         if (!got_key)
1152                         {
1153                                 /* We're still reading the key name */
1154                                 if (*c != '=')
1155                                 {
1156                                         if (*c != ' ')
1157                                         {
1158                                                 current_key += *c;
1159                                         }
1160                                 }
1161                                 else
1162                                 {
1163                                         /* We got an '=', end of the key name. */
1164                                         got_key = true;
1165                                 }
1166                         }
1167                         else
1168                         {
1169                                 /* We have the key name, now we're looking for quotes and the value */
1170
1171                                 /* Correctly handle escaped characters here.
1172                                  * See the XXX'ed section above.
1173                                  */
1174                                 if ((*c == '\\') && (in_quote))
1175                                 {
1176                                         c++;
1177                                         if (*c == 'n')
1178                                                 current_value += '\n';
1179                                         else
1180                                                 current_value += *c;
1181                                         continue;
1182                                 }
1183                                 else if ((*c == '\n') && (in_quote))
1184                                 {
1185                                         /* Got a 'real' \n, treat it as part of the value */
1186                                         current_value += '\n';
1187                                         continue;
1188                                 }
1189                                 else if ((*c == '\r') && (in_quote))
1190                                         /* Got a \r, drop it */
1191                                         continue;
1192
1193                                 if (*c == '"')
1194                                 {
1195                                         if (!in_quote)
1196                                         {
1197                                                 /* We're not already in a quote. */
1198                                                 in_quote = true;
1199                                         }
1200                                         else
1201                                         {
1202                                                 /* Leaving quotes, we have the value */
1203                                                 results.push_back(KeyVal(current_key, current_value));
1204
1205                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1206
1207                                                 in_quote = false;
1208                                                 got_key = false;
1209
1210                                                 if((tagname == "include") && (current_key == "file"))
1211                                                 {
1212                                                         if(!this->DoInclude(target, current_value, errorstream))
1213                                                                 return false;
1214                                                 }
1215
1216                                                 current_key.clear();
1217                                                 current_value.clear();
1218                                         }
1219                                 }
1220                                 else
1221                                 {
1222                                         if(in_quote)
1223                                         {
1224                                                 current_value += *c;
1225                                         }
1226                                 }
1227                         }
1228                 }
1229         }
1230
1231         /* Finished parsing the tag, add it to the config hash */
1232         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1233
1234         return true;
1235 }
1236
1237 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1238 {
1239         std::string confpath;
1240         std::string newfile;
1241         std::string::size_type pos;
1242
1243         confpath = CONFIG_FILE;
1244         newfile = file;
1245
1246         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1247         {
1248                 if (*c == '\\')
1249                 {
1250                         *c = '/';
1251                 }
1252         }
1253
1254         if (file[0] != '/')
1255         {
1256                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1257                 {
1258                         /* Leaves us with just the path */
1259                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1260                 }
1261                 else
1262                 {
1263                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1264                         return false;
1265                 }
1266         }
1267
1268         return LoadConf(target, newfile, errorstream);
1269 }
1270
1271 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1272 {
1273         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1274 }
1275
1276 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1277 {
1278         std::string value;
1279         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1280         strlcpy(result, value.c_str(), length);
1281         return r;
1282 }
1283
1284 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1285 {
1286         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1287 }
1288
1289 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)
1290 {
1291         ConfigDataHash::size_type pos = index;
1292         if((pos >= 0) && (pos < target.count(tag)))
1293         {
1294                 ConfigDataHash::iterator iter = target.find(tag);
1295
1296                 for(int i = 0; i < index; i++)
1297                         iter++;
1298
1299                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1300                 {
1301                         if(j->first == var)
1302                         {
1303                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1304                                 {
1305                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1306                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1307                                                 if (*n == '\n')
1308                                                         *n = ' ';
1309                                 }
1310                                 else
1311                                 {
1312                                         result = j->second;
1313                                         return true;
1314                                 }
1315                         }
1316                 }
1317         }
1318         else if(pos == 0)
1319         {
1320                 if (!default_value.empty())
1321                 {
1322                         result = default_value;
1323                         ServerInstance->Log(DEBUG, "No <%s> tags in config file using default.", tag.c_str());
1324                         return true;
1325                 }
1326                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1327         }
1328         else
1329         {
1330                 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());
1331         }
1332
1333         return false;
1334 }
1335
1336 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1337 {
1338         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1339 }
1340
1341 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1342 {
1343         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1344 }
1345
1346 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1347 {
1348         return ConfValueInteger(target, tag, var, "", index, result);
1349 }
1350
1351 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1352 {
1353         std::string value;
1354         std::istringstream stream;
1355         bool r = ConfValue(target, tag, var, default_value, index, value);
1356         stream.str(value);
1357         if(!(stream >> result))
1358                 return false;
1359         return r;
1360 }
1361
1362
1363 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1364 {
1365         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1366 }
1367
1368 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1369 {
1370         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1371 }
1372
1373 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1374 {
1375         return ConfValueBool(target, tag, var, "", index);
1376 }
1377
1378 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1379 {
1380         std::string result;
1381         if(!ConfValue(target, tag, var, default_value, index, result))
1382                 return false;
1383
1384         return ((result == "yes") || (result == "true") || (result == "1"));
1385 }
1386
1387 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1388 {
1389         return target.count(tag);
1390 }
1391
1392 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1393 {
1394         return target.count(tag);
1395 }
1396
1397 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1398 {
1399         return ConfVarEnum(target, std::string(tag), index);
1400 }
1401
1402 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1403 {
1404         ConfigDataHash::size_type pos = index;
1405
1406         if((pos >= 0) && (pos < target.count(tag)))
1407         {
1408                 ConfigDataHash::const_iterator iter = target.find(tag);
1409
1410                 for(int i = 0; i < index; i++)
1411                         iter++;
1412
1413                 return iter->second.size();
1414         }
1415         else if(pos == 0)
1416         {
1417                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1418         }
1419         else
1420         {
1421                 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());
1422         }
1423
1424         return 0;
1425 }
1426
1427 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1428  */
1429 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1430 {
1431         FILE* file = NULL;
1432         char linebuf[MAXBUF];
1433
1434         F.clear();
1435
1436         if (*fname != '/')
1437         {
1438                 std::string::size_type pos;
1439                 std::string confpath = CONFIG_FILE;
1440                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1441                 {
1442                         /* Leaves us with just the path */
1443                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1444                         file =  fopen(newfile.c_str(), "r");
1445
1446                 }
1447         }
1448         else
1449                 file =  fopen(fname, "r");
1450
1451         if (file)
1452         {
1453                 while (!feof(file))
1454                 {
1455                         if (fgets(linebuf, sizeof(linebuf), file))
1456                                 linebuf[strlen(linebuf)-1] = 0;
1457                         else
1458                                 *linebuf = 0;
1459
1460                         if (!feof(file))
1461                         {
1462                                 F.push_back(*linebuf ? linebuf : " ");
1463                         }
1464                 }
1465
1466                 fclose(file);
1467         }
1468         else
1469                 return false;
1470
1471         return true;
1472 }
1473
1474 bool ServerConfig::FileExists(const char* file)
1475 {
1476         FILE *input;
1477         if ((input = fopen (file, "r")) == NULL)
1478         {
1479                 return false;
1480         }
1481         else
1482         {
1483                 fclose(input);
1484                 return true;
1485         }
1486 }
1487
1488 char* ServerConfig::CleanFilename(char* name)
1489 {
1490         char* p = name + strlen(name);
1491         while ((p != name) && (*p != '/')) p--;
1492         return (p != name ? ++p : p);
1493 }
1494
1495
1496 bool ServerConfig::DirValid(const char* dirandfile)
1497 {
1498         char work[MAXBUF];
1499         char buffer[MAXBUF];
1500         char otherdir[MAXBUF];
1501         int p;
1502
1503         strlcpy(work, dirandfile, MAXBUF);
1504         p = strlen(work);
1505
1506         // we just want the dir
1507         while (*work)
1508         {
1509                 if (work[p] == '/')
1510                 {
1511                         work[p] = '\0';
1512                         break;
1513                 }
1514
1515                 work[p--] = '\0';
1516         }
1517
1518         // Get the current working directory
1519         if (getcwd(buffer, MAXBUF ) == NULL )
1520                 return false;
1521
1522         if (chdir(work) == -1)
1523                 return false;
1524
1525         if (getcwd(otherdir, MAXBUF ) == NULL )
1526                 return false;
1527
1528         if (chdir(buffer) == -1)
1529                 return false;
1530
1531         size_t t = strlen(work);
1532
1533         if (strlen(otherdir) >= t)
1534         {
1535                 otherdir[t] = '\0';
1536
1537                 if (!strcmp(otherdir,work))
1538                 {
1539                         return true;
1540                 }
1541
1542                 return false;
1543         }
1544         else
1545         {
1546                 return false;
1547         }
1548 }
1549
1550 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1551 {
1552         char work[MAXBUF];
1553         char buffer[MAXBUF];
1554         char otherdir[MAXBUF];
1555         int p;
1556
1557         strlcpy(work,argv[0],MAXBUF);
1558         p = strlen(work);
1559
1560         // we just want the dir
1561         while (*work)
1562         {
1563                 if (work[p] == '/')
1564                 {
1565                         work[p] = '\0';
1566                         break;
1567                 }
1568
1569                 work[p--] = '\0';
1570         }
1571
1572         // Get the current working directory
1573         if (getcwd(buffer, MAXBUF) == NULL)
1574                 return "";
1575
1576         if (chdir(work) == -1)
1577                 return "";
1578
1579         if (getcwd(otherdir, MAXBUF) == NULL)
1580                 return "";
1581
1582         if (chdir(buffer) == -1)
1583                 return "";
1584
1585         return otherdir;
1586 }
1587
1588 InspIRCd* ServerConfig::GetInstance()
1589 {
1590         return ServerInstance;
1591 }
1592
1593
1594 ValueItem::ValueItem(int value)
1595 {
1596         std::stringstream n;
1597         n << value;
1598         v = n.str();
1599 }
1600
1601 ValueItem::ValueItem(bool value)
1602 {
1603         std::stringstream n;
1604         n << value;
1605         v = n.str();
1606 }
1607
1608 ValueItem::ValueItem(char* value)
1609 {
1610         v = value;
1611 }
1612
1613 void ValueItem::Set(char* value)
1614 {
1615         v = value;
1616 }
1617
1618 void ValueItem::Set(const char* value)
1619 {
1620         v = value;
1621 }
1622
1623 void ValueItem::Set(int value)
1624 {
1625         std::stringstream n;
1626         n << value;
1627         v = n.str();
1628 }
1629
1630 int ValueItem::GetInteger()
1631 {
1632         if (v.empty())
1633                 return 0;
1634         return atoi(v.c_str());
1635 }
1636
1637 char* ValueItem::GetString()
1638 {
1639         return (char*)v.c_str();
1640 }
1641
1642 bool ValueItem::GetBool()
1643 {
1644         return (GetInteger() || v == "yes" || v == "true");
1645 }
1646