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