src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "configreader.h"
  16 #include <sstream>
  17 #include <fstream>
  18 #include "xline.h"
  19 #include "exitcodes.h"
  20 #include "commands/cmd_whowas.h"
  21
  22 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  23
  24 /* Needs forward declaration */
  25 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  26
  27 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  28 {
  29         this->ClearStack();
  30         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  31         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  32         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  33         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  34         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  35         log_file = NULL;
  36         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  37         CycleHosts = writelog = AllowHalfop = true;
  38         dns_timeout = DieDelay = 5;
  39         MaxTargets = 20;
  40         NetBufferSize = 10240;
  41         SoftLimit = MAXCLIENTS;
  42         MaxConn = SOMAXCONN;
  43         MaxWhoResults = 0;
  44         debugging = 0;
  45         MaxChans = 20;
  46         OperMaxChans = 30;
  47         LogLevel = DEFAULT;
  48         maxbans.clear();
  49         DNSServerValidator = &ValidateDnsServer;
  50 }
  51
  52 void ServerConfig::ClearStack()
  53 {
  54         include_stack.clear();
  55 }
  56
  57 Module* ServerConfig::GetIOHook(int port)
  58 {
  59         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  60         return (x != IOHookModule.end() ? x->second : NULL);
  61 }
  62
  63 Module* ServerConfig::GetIOHook(InspSocket* is)
  64 {
  65         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  66         return (x != SocketIOHookModule.end() ? x->second : NULL);
  67 }
  68
  69 bool ServerConfig::AddIOHook(int port, Module* iomod)
  70 {
  71         if (!GetIOHook(port))
  72         {
  73                 IOHookModule[port] = iomod;
  74                 return true;
  75         }
  76         else
  77         {
  78                 throw ModuleException("Port already hooked by another module");
  79                 return false;
  80         }
  81 }
  82
  83 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  84 {
  85         if (!GetIOHook(is))
  86         {
  87                 SocketIOHookModule[is] = iomod;
  88                 is->IsIOHooked = true;
  89                 return true;
  90         }
  91         else
  92         {
  93                 throw ModuleException("InspSocket derived class already hooked by another module");
  94                 return false;
  95         }
  96 }
  97
  98 bool ServerConfig::DelIOHook(int port)
  99 {
 100         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 101         if (x != IOHookModule.end())
 102         {
 103                 IOHookModule.erase(x);
 104                 return true;
 105         }
 106         return false;
 107 }
 108
 109 bool ServerConfig::DelIOHook(InspSocket* is)
 110 {
 111         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 112         if (x != SocketIOHookModule.end())
 113         {
 114                 SocketIOHookModule.erase(x);
 115                 return true;
 116         }
 117         return false;
 118 }
 119
 120 void ServerConfig::Update005()
 121 {
 122         std::stringstream out(data005);
 123         std::string token;
 124         std::string line5;
 125         int token_counter = 0;
 126         isupport.clear();
 127         while (out >> token)
 128         {
 129                 line5 = line5 + token + " ";
 130                 token_counter++;
 131                 if (token_counter >= 13)
 132                 {
 133                         char buf[MAXBUF];
 134                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 135                         isupport.push_back(buf);
 136                         line5.clear();
 137                         token_counter = 0;
 138                 }
 139         }
 140         if (!line5.empty())
 141         {
 142                 char buf[MAXBUF];
 143                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                 isupport.push_back(buf);
 145         }
 146 }
 147
 148 void ServerConfig::Send005(userrec* user)
 149 {
 150         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 151                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 152 }
 153
 154 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 155 {
 156         int count = ConfValueEnum(this->config_data, tag);
 157
 158         if (count > 1)
 159         {
 160                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 161                 return false;
 162         }
 163         if (count < 1)
 164         {
 165                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 166                 return false;
 167         }
 168         return true;
 169 }
 170
 171 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 172 {
 173         return true;
 174 }
 175
 176 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 177 {
 178         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 179         {
 180                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 181                 data.Set(20);
 182         }
 183         return true;
 184 }
 185
 186 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 187 {
 188         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 189         {
 190                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 191                 data.Set(MAXCLIENTS);
 192         }
 193         return true;
 194 }
 195
 196 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 197 {
 198         if (data.GetInteger() > SOMAXCONN)
 199                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 200         return true;
 201 }
 202
 203 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 204 {
 205         std::stringstream dcmds(data);
 206         std::string thiscmd;
 207
 208         /* Enable everything first */
 209         for (command_table::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 210                 x->second->Disable(false);
 211
 212         /* Now disable all the ones which the user wants disabled */
 213         while (dcmds >> thiscmd)
 214         {
 215                 command_table::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 216                 if (cm != ServerInstance->Parser->cmdlist.end())
 217                 {
 218                         cm->second->Disable(true);
 219                 }
 220         }
 221         return true;
 222 }
 223
 224 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 225 {
 226         if (!*(data.GetString()))
 227         {
 228                 std::string nameserver;
 229                 // attempt to look up their nameserver from /etc/resolv.conf
 230                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 231                 ifstream resolv("/etc/resolv.conf");
 232                 bool found_server = false;
 233
 234                 if (resolv.is_open())
 235                 {
 236                         while (resolv >> nameserver)
 237                         {
 238                                 if ((nameserver == "nameserver") && (!found_server))
 239                                 {
 240                                         resolv >> nameserver;
 241                                         data.Set(nameserver.c_str());
 242                                         found_server = true;
 243                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 244                                 }
 245                         }
 246
 247                         if (!found_server)
 248                         {
 249                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 250                                 data.Set("127.0.0.1");
 251                         }
 252                 }
 253                 else
 254                 {
 255                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 256                         data.Set("127.0.0.1");
 257                 }
 258         }
 259         return true;
 260 }
 261
 262 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 263 {
 264         /* If we already have a servername, and they changed it, we should throw an exception. */
 265         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 266         {
 267                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 268                 /* XXX: We don't actually reach this return of course... */
 269                 return false;
 270         }
 271         if (!strchr(data.GetString(),'.'))
 272         {
 273                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 274                 std::string moo = std::string(data.GetString()).append(".");
 275                 data.Set(moo.c_str());
 276         }
 277         return true;
 278 }
 279
 280 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 281 {
 282         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 283         {
 284                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 285                 data.Set(10240);
 286         }
 287         return true;
 288 }
 289
 290 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 291 {
 292         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 293         {
 294                 conf->GetInstance()->Log(DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 295                 data.Set(128);
 296         }
 297         return true;
 298 }
 299
 300 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 301 {
 302         std::string dbg = data.GetString();
 303         conf->LogLevel = DEFAULT;
 304
 305         if (dbg == "debug")
 306                 conf->LogLevel = DEBUG;
 307         else if (dbg  == "verbose")
 308                 conf->LogLevel = VERBOSE;
 309         else if (dbg == "default")
 310                 conf->LogLevel = DEFAULT;
 311         else if (dbg == "sparse")
 312                 conf->LogLevel = SPARSE;
 313         else if (dbg == "none")
 314                 conf->LogLevel = NONE;
 315
 316         conf->debugging = (conf->LogLevel == DEBUG);
 317
 318         return true;
 319 }
 320
 321 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 322 {
 323         conf->ReadFile(conf->MOTD, data.GetString());
 324         return true;
 325 }
 326
 327 bool ValidateNotEmpty(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 328 {
 329         if (!*data.GetString())
 330                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 331         return true;
 332 }
 333
 334 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 335 {
 336         conf->ReadFile(conf->RULES, data.GetString());
 337         return true;
 338 }
 339
 340 bool ValidateModeLists(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 341 {
 342         memset(conf->HideModeLists, 0, 256);
 343         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 344                 conf->HideModeLists[*x] = true;
 345         return true;
 346 }
 347
 348 bool ValidateExemptChanOps(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 349 {
 350         memset(conf->ExemptChanOps, 0, 256);
 351         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 352                 conf->ExemptChanOps[*x] = true;
 353         return true;
 354 }
 355
 356 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 357 {
 358         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 359
 360         if (conf->WhoWasGroupSize < 0)
 361                 conf->WhoWasGroupSize = 0;
 362
 363         if (conf->WhoWasMaxGroups < 0)
 364                 conf->WhoWasMaxGroups = 0;
 365
 366         if (conf->WhoWasMaxKeep < 3600)
 367         {
 368                 conf->WhoWasMaxKeep = 3600;
 369                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 370         }
 371
 372         command_t* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 373         if (whowas_command)
 374         {
 375                 std::deque<classbase*> params;
 376                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 377         }
 378
 379         return true;
 380 }
 381
 382 /* Callback called before processing the first <connect> tag
 383  */
 384 bool InitConnect(ServerConfig* conf, const char* tag)
 385 {
 386         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 387         conf->Classes.clear();
 388         return true;
 389 }
 390
 391 /* Callback called to process a single <connect> tag
 392  */
 393 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 394 {
 395         ConnectClass c;
 396         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 397         const char* deny = values[1].GetString();
 398         const char* password = values[2].GetString();
 399         int timeout = values[3].GetInteger();
 400         int pingfreq = values[4].GetInteger();
 401         int flood = values[5].GetInteger();
 402         int threshold = values[6].GetInteger();
 403         int sendq = values[7].GetInteger();
 404         int recvq = values[8].GetInteger();
 405         int localmax = values[9].GetInteger();
 406         int globalmax = values[10].GetInteger();
 407         int port = values[11].GetInteger();
 408         const char* name = values[12].GetString();
 409         const char* parent = values[13].GetString();
 410         int maxchans = values[14].GetInteger();
 411
 412         if (*parent)
 413         {
 414                 /* Find 'parent' and inherit a new class from it,
 415                  * then overwrite any values that are set here
 416                  */
 417                 for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 418                 {
 419                         if (item->GetName() == parent)
 420                         {
 421                                 ConnectClass c(name, *item);
 422                                 c.Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port);
 423                                 conf->Classes.push_back(c);
 424                         }
 425                 }
 426                 throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 427         }
 428         else
 429         {
 430                 if (*allow)
 431                 {
 432                         ConnectClass c(name, timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans);
 433                         c.SetPort(port);
 434                         conf->Classes.push_back(c);
 435                 }
 436                 else
 437                 {
 438                         ConnectClass c(name, deny);
 439                         c.SetPort(port);
 440                         conf->Classes.push_back(c);
 441                 }
 442         }
 443
 444         return true;
 445 }
 446
 447 /* Callback called when there are no more <connect> tags
 448  */
 449 bool DoneConnect(ServerConfig* conf, const char* tag)
 450 {
 451         return true;
 452 }
 453
 454 /* Callback called before processing the first <uline> tag
 455  */
 456 bool InitULine(ServerConfig* conf, const char* tag)
 457 {
 458         conf->ulines.clear();
 459         return true;
 460 }
 461
 462 /* Callback called to process a single <uline> tag
 463  */
 464 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 465 {
 466         const char* server = values[0].GetString();
 467         const bool silent = values[1].GetBool();
 468         conf->ulines[server] = silent;
 469         return true;
 470 }
 471
 472 /* Callback called when there are no more <uline> tags
 473  */
 474 bool DoneULine(ServerConfig* conf, const char* tag)
 475 {
 476         return true;
 477 }
 478
 479 /* Callback called before processing the first <module> tag
 480  */
 481 bool InitModule(ServerConfig* conf, const char* tag)
 482 {
 483         old_module_names.clear();
 484         new_module_names.clear();
 485         added_modules.clear();
 486         removed_modules.clear();
 487         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 488         {
 489                 old_module_names.push_back(*t);
 490         }
 491         return true;
 492 }
 493
 494 /* Callback called to process a single <module> tag
 495  */
 496 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 497 {
 498         const char* modname = values[0].GetString();
 499         new_module_names.push_back(modname);
 500         return true;
 501 }
 502
 503 /* Callback called when there are no more <module> tags
 504  */
 505 bool DoneModule(ServerConfig* conf, const char* tag)
 506 {
 507         // now create a list of new modules that are due to be loaded
 508         // and a seperate list of modules which are due to be unloaded
 509         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 510         {
 511                 bool added = true;
 512
 513                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 514                 {
 515                         if (*old == *_new)
 516                                 added = false;
 517                 }
 518
 519                 if (added)
 520                         added_modules.push_back(*_new);
 521         }
 522
 523         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 524         {
 525                 bool removed = true;
 526                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 527                 {
 528                         if (*newm == *oldm)
 529                                 removed = false;
 530                 }
 531
 532                 if (removed)
 533                         removed_modules.push_back(*oldm);
 534         }
 535         return true;
 536 }
 537
 538 /* Callback called before processing the first <banlist> tag
 539  */
 540 bool InitMaxBans(ServerConfig* conf, const char* tag)
 541 {
 542         conf->maxbans.clear();
 543         return true;
 544 }
 545
 546 /* Callback called to process a single <banlist> tag
 547  */
 548 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 549 {
 550         const char* channel = values[0].GetString();
 551         int limit = values[1].GetInteger();
 552         conf->maxbans[channel] = limit;
 553         return true;
 554 }
 555
 556 /* Callback called when there are no more <banlist> tags.
 557  */
 558 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 559 {
 560         return true;
 561 }
 562
 563 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 564 {
 565         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 566         if (bail)
 567         {
 568                 /* Unneeded because of the ServerInstance->Log() aboive? */
 569                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 570                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 571         }
 572         else
 573         {
 574                 std::string errors = errormessage;
 575                 std::string::size_type start;
 576                 unsigned int prefixlen;
 577                 start = 0;
 578                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 579                 if (user)
 580                 {
 581                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 582                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 583                         while (start < errors.length())
 584                         {
 585                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 586                                 start += 510 - prefixlen;
 587                         }
 588                 }
 589                 else
 590                 {
 591                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 592                         while (start < errors.length())
 593                         {
 594                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 595                                 start += 360;
 596                         }
 597                 }
 598                 return;
 599         }
 600 }
 601
 602 void ServerConfig::Read(bool bail, userrec* user)
 603 {
 604         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 605         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 606         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 607         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 608         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 609         std::ostringstream errstr;      /* String stream containing the error output */
 610
 611         /* These tags MUST occur and must ONLY occur once in the config file */
 612         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 613
 614         /* These tags can occur ONCE or not at all */
 615         InitialConfig Values[] = {
 616                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 617                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 618                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR, NoValidation},
 619                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 620                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 621                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 622                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 623                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 624                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 625                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 626                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 627                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR, ValidateNotEmpty},
 628                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 629                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR, ValidateNotEmpty},
 630                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 631                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR, NoValidation},
 632                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR, NoValidation},
 633                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 634                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 635                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 636                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 637                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_CHARPTR, DNSServerValidator},
 638                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, NoValidation},
 639                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR, NoValidation},
 640                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 641                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 642                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 643                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 644                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 645                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 646                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_CHARPTR, NoValidation},
 647                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 648                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 649                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 650                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 651                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 652                 {"options",     "announceinvites", "1",                 new ValueContainerBool (&this->AnnounceInvites),        DT_BOOLEAN, NoValidation},
 653                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN, NoValidation},
 654                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR, ValidateModeLists},
 655                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR, ValidateExemptChanOps},
 656                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR, NoValidation},
 657                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 658                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 659                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 660                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 661                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 662                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER, NoValidation},
 663                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER, NoValidation},
 664                 {NULL}
 665         };
 666
 667         /* These tags can occur multiple times, and therefore they have special code to read them
 668          * which is different to the code for reading the singular tags listed above.
 669          */
 670         MultiConfig MultiValues[] = {
 671
 672                 {"connect",
 673                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 674                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 675                                 "name",         "parent",       "maxchans",
 676                                 NULL},
 677                                 {"",            "",             "",             "",             "120",          "",
 678                                  "",            "",             "",             "3",            "3",            "0",
 679                                  "",            "",             "0",
 680                                  NULL},
 681                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 682                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 683                                  DT_CHARPTR,    DT_CHARPTR,     DT_INTEGER},
 684                                 InitConnect, DoConnect, DoneConnect},
 685
 686                 {"uline",
 687                                 {"server",      "silent",       NULL},
 688                                 {"",            "0",            NULL},
 689                                 {DT_CHARPTR,    DT_BOOLEAN},
 690                                 InitULine,DoULine,DoneULine},
 691
 692                 {"banlist",
 693                                 {"chan",        "limit",        NULL},
 694                                 {"",            "",             NULL},
 695                                 {DT_CHARPTR,    DT_INTEGER},
 696                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 697
 698                 {"module",
 699                                 {"name",        NULL},
 700                                 {"",            NULL},
 701                                 {DT_CHARPTR},
 702                                 InitModule, DoModule, DoneModule},
 703
 704                 {"badip",
 705                                 {"reason",      "ipmask",       NULL},
 706                                 {"No reason",   "",             NULL},
 707                                 {DT_CHARPTR,    DT_CHARPTR},
 708                                 InitXLine, DoZLine, DoneZLine},
 709
 710                 {"badnick",
 711                                 {"reason",      "nick",         NULL},
 712                                 {"No reason",   "",             NULL},
 713                                 {DT_CHARPTR,    DT_CHARPTR},
 714                                 InitXLine, DoQLine, DoneQLine},
 715
 716                 {"badhost",
 717                                 {"reason",      "host",         NULL},
 718                                 {"No reason",   "",             NULL},
 719                                 {DT_CHARPTR,    DT_CHARPTR},
 720                                 InitXLine, DoKLine, DoneKLine},
 721
 722                 {"exception",
 723                                 {"reason",      "host",         NULL},
 724                                 {"No reason",   "",             NULL},
 725                                 {DT_CHARPTR,    DT_CHARPTR},
 726                                 InitXLine, DoELine, DoneELine},
 727
 728                 {"type",
 729                                 {"name",        "classes",      NULL},
 730                                 {"",            "",             NULL},
 731                                 {DT_CHARPTR,    DT_CHARPTR},
 732                                 InitTypes, DoType, DoneClassesAndTypes},
 733
 734                 {"class",
 735                                 {"name",        "commands",     NULL},
 736                                 {"",            "",             NULL},
 737                                 {DT_CHARPTR,    DT_CHARPTR},
 738                                 InitClasses, DoClass, DoneClassesAndTypes},
 739
 740                 {NULL}
 741         };
 742
 743         include_stack.clear();
 744
 745         /* Load and parse the config file, if there are any errors then explode */
 746
 747         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 748         ConfigDataHash newconfig;
 749
 750         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
 751         {
 752                 /* If we succeeded, set the ircd config to the new one */
 753                 this->config_data = newconfig;
 754         }
 755         else
 756         {
 757                 ReportConfigError(errstr.str(), bail, user);
 758                 return;
 759         }
 760
 761         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 762         try
 763         {
 764                 /* Check we dont have more than one of singular tags, or any of them missing
 765                  */
 766                 for (int Index = 0; Once[Index]; Index++)
 767                         if (!CheckOnce(Once[Index], bail, user))
 768                                 return;
 769
 770                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 771                  */
 772                 for (int Index = 0; Values[Index].tag; Index++)
 773                 {
 774                         char item[MAXBUF];
 775                         int dt = Values[Index].datatype;
 776                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 777                         dt &= ~DT_ALLOW_NEWLINE;
 778
 779                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 780                         ValueItem vi(item);
 781
 782                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 783                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 784
 785                         switch (Values[Index].datatype)
 786                         {
 787                                 case DT_CHARPTR:
 788                                 {
 789                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 790                                         /* Make sure we also copy the null terminator */
 791                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 792                                 }
 793                                 break;
 794                                 case DT_INTEGER:
 795                                 {
 796                                         int val = vi.GetInteger();
 797                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 798                                         vci->Set(&val, sizeof(int));
 799                                 }
 800                                 break;
 801                                 case DT_BOOLEAN:
 802                                 {
 803                                         bool val = vi.GetBool();
 804                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 805                                         vcb->Set(&val, sizeof(bool));
 806                                 }
 807                                 break;
 808                                 default:
 809                                         /* You don't want to know what happens if someones bad code sends us here. */
 810                                 break;
 811                         }
 812
 813                         /* We're done with this now */
 814                         delete Values[Index].val;
 815                 }
 816
 817                 /* Read the multiple-tag items (class tags, connect tags, etc)
 818                  * and call the callbacks associated with them. We have three
 819                  * callbacks for these, a 'start', 'item' and 'end' callback.
 820                  */
 821                 for (int Index = 0; MultiValues[Index].tag; Index++)
 822                 {
 823                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 824
 825                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 826
 827                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 828                         {
 829                                 ValueList vl;
 830                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 831                                 {
 832                                         int dt = MultiValues[Index].datatype[valuenum];
 833                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 834                                         dt &= ~DT_ALLOW_NEWLINE;
 835
 836                                         switch (dt)
 837                                         {
 838                                                 case DT_CHARPTR:
 839                                                 {
 840                                                         char item[MAXBUF];
 841                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 842                                                                 vl.push_back(ValueItem(item));
 843                                                         else
 844                                                                 vl.push_back(ValueItem(""));
 845                                                 }
 846                                                 break;
 847                                                 case DT_INTEGER:
 848                                                 {
 849                                                         int item = 0;
 850                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 851                                                                 vl.push_back(ValueItem(item));
 852                                                         else
 853                                                                 vl.push_back(ValueItem(0));
 854                                                 }
 855                                                 break;
 856                                                 case DT_BOOLEAN:
 857                                                 {
 858                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 859                                                         vl.push_back(ValueItem(item));
 860                                                 }
 861                                                 break;
 862                                                 default:
 863                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 864                                                 break;
 865                                         }
 866                                 }
 867
 868                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 869                         }
 870
 871                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 872                 }
 873
 874         }
 875
 876         catch (CoreException &ce)
 877         {
 878                 ReportConfigError(ce.GetReason(), bail, user);
 879                 return;
 880         }
 881
 882         // write once here, to try it out and make sure its ok
 883         ServerInstance->WritePID(this->PID);
 884
 885         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 886
 887         /* If we're rehashing, let's load any new modules, and unload old ones
 888          */
 889         if (!bail)
 890         {
 891                 int found_ports = 0;
 892                 FailedPortList pl;
 893                 ServerInstance->BindPorts(false, found_ports, pl);
 894
 895                 if (pl.size() && user)
 896                 {
 897                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 898                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
 899                         int j = 1;
 900                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 901                         {
 902                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 903                         }
 904                 }
 905
 906                 if (!removed_modules.empty())
 907                 {
 908                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 909                         {
 910                                 if (ServerInstance->UnloadModule(removing->c_str()))
 911                                 {
 912                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 913
 914                                         if (user)
 915                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 916
 917                                         rem++;
 918                                 }
 919                                 else
 920                                 {
 921                                         if (user)
 922                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 923                                 }
 924                         }
 925                 }
 926
 927                 if (!added_modules.empty())
 928                 {
 929                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 930                         {
 931                                 if (ServerInstance->LoadModule(adding->c_str()))
 932                                 {
 933                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 934
 935                                         if (user)
 936                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 937
 938                                         add++;
 939                                 }
 940                                 else
 941                                 {
 942                                         if (user)
 943                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 944                                 }
 945                         }
 946                 }
 947
 948                 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());
 949         }
 950
 951         /** Note: This is safe, the method checks for user == NULL */
 952         ServerInstance->Parser->SetupCommandTable(user);
 953
 954         if (user)
 955                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
 956         else
 957                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
 958 }
 959
 960 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 961 {
 962         std::ifstream conf(filename);
 963         std::string line;
 964         char ch;
 965         long linenumber;
 966         bool in_tag;
 967         bool in_quote;
 968         bool in_comment;
 969         int character_count = 0;
 970
 971         linenumber = 1;
 972         in_tag = false;
 973         in_quote = false;
 974         in_comment = false;
 975
 976         /* Check if the file open failed first */
 977         if (!conf)
 978         {
 979                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 980                 return false;
 981         }
 982
 983         /* Fix the chmod of the file to restrict it to the current user and group */
 984         chmod(filename,0600);
 985
 986         for (unsigned int t = 0; t < include_stack.size(); t++)
 987         {
 988                 if (std::string(filename) == include_stack[t])
 989                 {
 990                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 991                         return false;
 992                 }
 993         }
 994
 995         /* It's not already included, add it to the list of files we've loaded */
 996         include_stack.push_back(filename);
 997
 998         /* Start reading characters... */
 999         while (conf.get(ch))
1000         {
1001
1002                 /*
1003                  * Fix for moronic windows issue spotted by Adremelech.
1004                  * Some windows editors save text files as utf-16, which is
1005                  * a total pain in the ass to parse. Users should save in the
1006                  * right config format! If we ever see a file where the first
1007                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1008                  * this is most likely a utf-16 file. Bail out and insult user.
1009                  */
1010                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1011                 {
1012                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1013                         return false;
1014                 }
1015
1016                 /*
1017                  * Here we try and get individual tags on separate lines,
1018                  * this would be so easy if we just made people format
1019                  * their config files like that, but they don't so...
1020                  * We check for a '<' and then know the line is over when
1021                  * we get a '>' not inside quotes. If we find two '<' and
1022                  * no '>' then die with an error.
1023                  */
1024
1025                 if ((ch == '#') && !in_quote)
1026                         in_comment = true;
1027
1028                 switch (ch)
1029                 {
1030                         case '\n':
1031                                 if (in_quote)
1032                                         line += '\n';
1033                                 linenumber++;
1034                         case '\r':
1035                                 if (!in_quote)
1036                                         in_comment = false;
1037                         case '\0':
1038                                 continue;
1039                         case '\t':
1040                                 ch = ' ';
1041                 }
1042
1043                 if(in_comment)
1044                         continue;
1045
1046                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1047                  * Note that this WILL NOT usually allow insertion of newlines,
1048                  * because a newline is two characters long. Use it primarily to
1049                  * insert the " symbol.
1050                  *
1051                  * Note that this also involves a further check when parsing the line,
1052                  * which can be found below.
1053                  */
1054                 if ((ch == '\\') && (in_quote) && (in_tag))
1055                 {
1056                         line += ch;
1057                         char real_character;
1058                         if (conf.get(real_character))
1059                         {
1060                                 if (real_character == 'n')
1061                                         real_character = '\n';
1062                                 line += real_character;
1063                                 continue;
1064                         }
1065                         else
1066                         {
1067                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1068                                 return false;
1069                         }
1070                 }
1071
1072                 if (ch != '\r')
1073                         line += ch;
1074
1075                 if (ch == '<')
1076                 {
1077                         if (in_tag)
1078                         {
1079                                 if (!in_quote)
1080                                 {
1081                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1082                                         return false;
1083                                 }
1084                         }
1085                         else
1086                         {
1087                                 if (in_quote)
1088                                 {
1089                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1090                                         return false;
1091                                 }
1092                                 else
1093                                 {
1094                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1095                                         in_tag = true;
1096                                 }
1097                         }
1098                 }
1099                 else if (ch == '"')
1100                 {
1101                         if (in_tag)
1102                         {
1103                                 if (in_quote)
1104                                 {
1105                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1106                                         in_quote = false;
1107                                 }
1108                                 else
1109                                 {
1110                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1111                                         in_quote = true;
1112                                 }
1113                         }
1114                         else
1115                         {
1116                                 if (in_quote)
1117                                 {
1118                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1119                                 }
1120                                 else
1121                                 {
1122                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1123                                 }
1124                         }
1125                 }
1126                 else if (ch == '>')
1127                 {
1128                         if (!in_quote)
1129                         {
1130                                 if (in_tag)
1131                                 {
1132                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1133                                         in_tag = false;
1134
1135                                         /*
1136                                          * If this finds an <include> then ParseLine can simply call
1137                                          * LoadConf() and load the included config into the same ConfigDataHash
1138                                          */
1139
1140                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1141                                                 return false;
1142
1143                                         line.clear();
1144                                 }
1145                                 else
1146                                 {
1147                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1148                                         return false;
1149                                 }
1150                         }
1151                 }
1152         }
1153
1154         /* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */
1155         if (in_comment || in_quote)
1156         {
1157                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1158                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1159         }
1160
1161         return true;
1162 }
1163
1164 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1165 {
1166         return this->LoadConf(target, filename.c_str(), errorstream);
1167 }
1168
1169 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1170 {
1171         std::string tagname;
1172         std::string current_key;
1173         std::string current_value;
1174         KeyValList results;
1175         bool got_name;
1176         bool got_key;
1177         bool in_quote;
1178
1179         got_name = got_key = in_quote = false;
1180
1181         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1182         {
1183                 if (!got_name)
1184                 {
1185                         /* We don't know the tag name yet. */
1186
1187                         if (*c != ' ')
1188                         {
1189                                 if (*c != '<')
1190                                 {
1191                                         tagname += *c;
1192                                 }
1193                         }
1194                         else
1195                         {
1196                                 /* We got to a space, we should have the tagname now. */
1197                                 if(tagname.length())
1198                                 {
1199                                         got_name = true;
1200                                 }
1201                         }
1202                 }
1203                 else
1204                 {
1205                         /* We have the tag name */
1206                         if (!got_key)
1207                         {
1208                                 /* We're still reading the key name */
1209                                 if (*c != '=')
1210                                 {
1211                                         if (*c != ' ')
1212                                         {
1213                                                 current_key += *c;
1214                                         }
1215                                 }
1216                                 else
1217                                 {
1218                                         /* We got an '=', end of the key name. */
1219                                         got_key = true;
1220                                 }
1221                         }
1222                         else
1223                         {
1224                                 /* We have the key name, now we're looking for quotes and the value */
1225
1226                                 /* Correctly handle escaped characters here.
1227                                  * See the XXX'ed section above.
1228                                  */
1229                                 if ((*c == '\\') && (in_quote))
1230                                 {
1231                                         c++;
1232                                         if (*c == 'n')
1233                                                 current_value += '\n';
1234                                         else
1235                                                 current_value += *c;
1236                                         continue;
1237                                 }
1238                                 else if ((*c == '\n') && (in_quote))
1239                                 {
1240                                         /* Got a 'real' \n, treat it as part of the value */
1241                                         current_value += '\n';
1242                                         linenumber++;
1243                                         continue;
1244                                 }
1245                                 else if ((*c == '\r') && (in_quote))
1246                                         /* Got a \r, drop it */
1247                                         continue;
1248
1249                                 if (*c == '"')
1250                                 {
1251                                         if (!in_quote)
1252                                         {
1253                                                 /* We're not already in a quote. */
1254                                                 in_quote = true;
1255                                         }
1256                                         else
1257                                         {
1258                                                 /* Leaving quotes, we have the value */
1259                                                 results.push_back(KeyVal(current_key, current_value));
1260
1261                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1262
1263                                                 in_quote = false;
1264                                                 got_key = false;
1265
1266                                                 if ((tagname == "include") && (current_key == "file"))
1267                                                 {
1268                                                         if (!this->DoInclude(target, current_value, errorstream))
1269                                                                 return false;
1270                                                 }
1271
1272                                                 current_key.clear();
1273                                                 current_value.clear();
1274                                         }
1275                                 }
1276                                 else
1277                                 {
1278                                         if (in_quote)
1279                                         {
1280                                                 current_value += *c;
1281                                         }
1282                                 }
1283                         }
1284                 }
1285         }
1286
1287         /* Finished parsing the tag, add it to the config hash */
1288         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1289
1290         return true;
1291 }
1292
1293 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1294 {
1295         std::string confpath;
1296         std::string newfile;
1297         std::string::size_type pos;
1298
1299         confpath = ServerInstance->ConfigFileName;
1300         newfile = file;
1301
1302         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1303         {
1304                 if (*c == '\\')
1305                 {
1306                         *c = '/';
1307                 }
1308         }
1309
1310         if (file[0] != '/')
1311         {
1312                 if((pos = confpath.rfind("/")) != std::string::npos)
1313                 {
1314                         /* Leaves us with just the path */
1315                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1316                 }
1317                 else
1318                 {
1319                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1320                         return false;
1321                 }
1322         }
1323
1324         return LoadConf(target, newfile, errorstream);
1325 }
1326
1327 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1328 {
1329         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1330 }
1331
1332 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1333 {
1334         std::string value;
1335         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1336         strlcpy(result, value.c_str(), length);
1337         return r;
1338 }
1339
1340 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1341 {
1342         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1343 }
1344
1345 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)
1346 {
1347         ConfigDataHash::size_type pos = index;
1348         if((pos >= 0) && (pos < target.count(tag)))
1349         {
1350                 ConfigDataHash::iterator iter = target.find(tag);
1351
1352                 for(int i = 0; i < index; i++)
1353                         iter++;
1354
1355                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1356                 {
1357                         if(j->first == var)
1358                         {
1359                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1360                                 {
1361                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1362                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1363                                                 if (*n == '\n')
1364                                                         *n = ' ';
1365                                 }
1366                                 else
1367                                 {
1368                                         result = j->second;
1369                                         return true;
1370                                 }
1371                         }
1372                 }
1373                 if (!default_value.empty())
1374                 {
1375                         result = default_value;
1376                         return true;
1377                 }
1378         }
1379         else if(pos == 0)
1380         {
1381                 if (!default_value.empty())
1382                 {
1383                         result = default_value;
1384                         return true;
1385                 }
1386         }
1387         return false;
1388 }
1389
1390 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1391 {
1392         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1393 }
1394
1395 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1396 {
1397         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1398 }
1399
1400 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1401 {
1402         return ConfValueInteger(target, tag, var, "", index, result);
1403 }
1404
1405 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1406 {
1407         std::string value;
1408         std::istringstream stream;
1409         bool r = ConfValue(target, tag, var, default_value, index, value);
1410         stream.str(value);
1411         if(!(stream >> result))
1412                 return false;
1413         else
1414         {
1415                 if (!value.empty())
1416                 {
1417                         if (value.substr(0,2) == "0x")
1418                         {
1419                                 char* endptr;
1420
1421                                 value.erase(0,2);
1422                                 result = strtol(value.c_str(), &endptr, 16);
1423
1424                                 /* No digits found */
1425                                 if (endptr == value.c_str())
1426                                         return false;
1427                         }
1428                         else
1429                         {
1430                                 char denominator = *(value.end() - 1);
1431                                 switch (toupper(denominator))
1432                                 {
1433                                         case 'K':
1434                                                 /* Kilobytes -> bytes */
1435                                                 result = result * 1024;
1436                                         break;
1437                                         case 'M':
1438                                                 /* Megabytes -> bytes */
1439                                                 result = result * 1024 * 1024;
1440                                         break;
1441                                         case 'G':
1442                                                 /* Gigabytes -> bytes */
1443                                                 result = result * 1024 * 1024 * 1024;
1444                                         break;
1445                                 }
1446                         }
1447                 }
1448         }
1449         return r;
1450 }
1451
1452
1453 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1454 {
1455         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1456 }
1457
1458 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1459 {
1460         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1461 }
1462
1463 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1464 {
1465         return ConfValueBool(target, tag, var, "", index);
1466 }
1467
1468 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1469 {
1470         std::string result;
1471         if(!ConfValue(target, tag, var, default_value, index, result))
1472                 return false;
1473
1474         return ((result == "yes") || (result == "true") || (result == "1"));
1475 }
1476
1477 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1478 {
1479         return target.count(tag);
1480 }
1481
1482 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1483 {
1484         return target.count(tag);
1485 }
1486
1487 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1488 {
1489         return ConfVarEnum(target, std::string(tag), index);
1490 }
1491
1492 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1493 {
1494         ConfigDataHash::size_type pos = index;
1495
1496         if((pos >= 0) && (pos < target.count(tag)))
1497         {
1498                 ConfigDataHash::const_iterator iter = target.find(tag);
1499
1500                 for(int i = 0; i < index; i++)
1501                         iter++;
1502
1503                 return iter->second.size();
1504         }
1505
1506         return 0;
1507 }
1508
1509 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1510  */
1511 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1512 {
1513         if (!fname || !*fname)
1514                 return false;
1515
1516         FILE* file = NULL;
1517         char linebuf[MAXBUF];
1518
1519         F.clear();
1520
1521         if ((*fname != '/') && (*fname != '\\'))
1522         {
1523                 std::string::size_type pos;
1524                 std::string confpath = ServerInstance->ConfigFileName;
1525                 std::string newfile = fname;
1526
1527                 if ((pos = confpath.rfind("/")) != std::string::npos)
1528                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1529                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1530                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1531
1532                 if (!FileExists(newfile.c_str()))
1533                         return false;
1534                 file =  fopen(newfile.c_str(), "r");
1535         }
1536         else
1537         {
1538                 if (!FileExists(fname))
1539                         return false;
1540                 file =  fopen(fname, "r");
1541         }
1542
1543         if (file)
1544         {
1545                 while (!feof(file))
1546                 {
1547                         if (fgets(linebuf, sizeof(linebuf), file))
1548                                 linebuf[strlen(linebuf)-1] = 0;
1549                         else
1550                                 *linebuf = 0;
1551
1552                         if (!feof(file))
1553                         {
1554                                 F.push_back(*linebuf ? linebuf : " ");
1555                         }
1556                 }
1557
1558                 fclose(file);
1559         }
1560         else
1561                 return false;
1562
1563         return true;
1564 }
1565
1566 bool ServerConfig::FileExists(const char* file)
1567 {
1568         struct stat sb;
1569         if (stat(file, &sb) == -1)
1570                 return false;
1571
1572         if ((sb.st_mode & S_IFDIR) > 0)
1573                 return false;
1574
1575         FILE *input;
1576         if ((input = fopen (file, "r")) == NULL)
1577                 return false;
1578         else
1579         {
1580                 fclose(input);
1581                 return true;
1582         }
1583 }
1584
1585 char* ServerConfig::CleanFilename(char* name)
1586 {
1587         char* p = name + strlen(name);
1588         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1589         return (p != name ? ++p : p);
1590 }
1591
1592
1593 bool ServerConfig::DirValid(const char* dirandfile)
1594 {
1595 #ifdef WINDOWS
1596         return true;
1597 #endif
1598
1599         char work[1024];
1600         char buffer[1024];
1601         char otherdir[1024];
1602         int p;
1603
1604         strlcpy(work, dirandfile, 1024);
1605         p = strlen(work);
1606
1607         // we just want the dir
1608         while (*work)
1609         {
1610                 if (work[p] == '/')
1611                 {
1612                         work[p] = '\0';
1613                         break;
1614                 }
1615
1616                 work[p--] = '\0';
1617         }
1618
1619         // Get the current working directory
1620         if (getcwd(buffer, 1024 ) == NULL )
1621                 return false;
1622
1623         if (chdir(work) == -1)
1624                 return false;
1625
1626         if (getcwd(otherdir, 1024 ) == NULL )
1627                 return false;
1628
1629         if (chdir(buffer) == -1)
1630                 return false;
1631
1632         size_t t = strlen(work);
1633
1634         if (strlen(otherdir) >= t)
1635         {
1636                 otherdir[t] = '\0';
1637                 if (!strcmp(otherdir,work))
1638                 {
1639                         return true;
1640                 }
1641
1642                 return false;
1643         }
1644         else
1645         {
1646                 return false;
1647         }
1648 }
1649
1650 std::string ServerConfig::GetFullProgDir()
1651 {
1652         char buffer[PATH_MAX+1];
1653 #ifdef WINDOWS
1654         /* Windows has specific api calls to get the exe path that never fail.
1655          * For once, windows has something of use, compared to the POSIX code
1656          * for this, this is positively neato.
1657          */
1658         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1659         {
1660                 std::string fullpath = buffer;
1661                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1662                 return std::string(fullpath, 0, n);
1663         }
1664 #else
1665         // Get the current working directory
1666         if (getcwd(buffer, PATH_MAX))
1667         {
1668                 std::string remainder = this->argv[0];
1669
1670                 /* Does argv[0] start with /? its a full path, use it */
1671                 if (remainder[0] == '/')
1672                 {
1673                         std::string::size_type n = remainder.rfind("/inspircd");
1674                         return std::string(remainder, 0, n);
1675                 }
1676
1677                 std::string fullpath = std::string(buffer) + "/" + remainder;
1678                 std::string::size_type n = fullpath.rfind("/inspircd");
1679                 return std::string(fullpath, 0, n);
1680         }
1681 #endif
1682         return "/";
1683 }
1684
1685 InspIRCd* ServerConfig::GetInstance()
1686 {
1687         return ServerInstance;
1688 }
1689
1690
1691 ValueItem::ValueItem(int value)
1692 {
1693         std::stringstream n;
1694         n << value;
1695         v = n.str();
1696 }
1697
1698 ValueItem::ValueItem(bool value)
1699 {
1700         std::stringstream n;
1701         n << value;
1702         v = n.str();
1703 }
1704
1705 ValueItem::ValueItem(char* value)
1706 {
1707         v = value;
1708 }
1709
1710 void ValueItem::Set(char* value)
1711 {
1712         v = value;
1713 }
1714
1715 void ValueItem::Set(const char* value)
1716 {
1717         v = value;
1718 }
1719
1720 void ValueItem::Set(int value)
1721 {
1722         std::stringstream n;
1723         n << value;
1724         v = n.str();
1725 }
1726
1727 int ValueItem::GetInteger()
1728 {
1729         if (v.empty())
1730                 return 0;
1731         return atoi(v.c_str());
1732 }
1733
1734 char* ValueItem::GetString()
1735 {
1736         return (char*)v.c_str();
1737 }
1738
1739 bool ValueItem::GetBool()
1740 {
1741         return (GetInteger() || v == "yes" || v == "true");
1742 }
1743