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         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 577         std::ostringstream errstr;      /* String stream containing the error output */
 578
 579         /* These tags MUST occur and must ONLY occur once in the config file */
 580         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 581
 582         /* These tags can occur ONCE or not at all */
 583         InitialConfig Values[] = {
 584                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 585                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 586                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 587                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 588                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 589                 {"admin",       "name",         "Miss Configured",      new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 590                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 591                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 592                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 593                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 594                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 595                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 596                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 597                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 598                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 599                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 600                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 601                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 602                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 603                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, NoValidation},
 604                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR, NoValidation},
 605                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 606                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 607                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 608                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 609                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 610                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 611                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 612                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 613                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 614                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 615                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 616                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 617                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 618                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 619                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 620                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 621                 {NULL}
 622         };
 623
 624         /* These tags can occur multiple times, and therefore they have special code to read them
 625          * which is different to the code for reading the singular tags listed above.
 626          */
 627         MultiConfig MultiValues[] = {
 628
 629                 {"connect",
 630                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 631                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 632                                 {"",            "",             "",             "",             "",             "",
 633                                  "",            "",             "",             "",             "",             NULL},
 634                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 635                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 636                                 InitConnect, DoConnect, DoneConnect},
 637
 638                 {"uline",
 639                                 {"server",      NULL},
 640                                 {"",            NULL},
 641                                 {DT_CHARPTR},
 642                                 InitULine,DoULine,DoneULine},
 643
 644                 {"banlist",
 645                                 {"chan",        "limit",        NULL},
 646                                 {"",            "",             NULL},
 647                                 {DT_CHARPTR,    DT_INTEGER},
 648                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 649
 650                 {"module",
 651                                 {"name",        NULL},
 652                                 {"",            NULL},
 653                                 {DT_CHARPTR},
 654                                 InitModule, DoModule, DoneModule},
 655
 656                 {"badip",
 657                                 {"reason",      "ipmask",       NULL},
 658                                 {"No reason",   "",             NULL},
 659                                 {DT_CHARPTR,    DT_CHARPTR},
 660                                 InitXLine, DoZLine, DoneXLine},
 661
 662                 {"badnick",
 663                                 {"reason",      "nick",         NULL},
 664                                 {"No reason",   "",             NULL},
 665                                 {DT_CHARPTR,    DT_CHARPTR},
 666                                 InitXLine, DoQLine, DoneXLine},
 667
 668                 {"badhost",
 669                                 {"reason",      "host",         NULL},
 670                                 {"No reason",   "",             NULL},
 671                                 {DT_CHARPTR,    DT_CHARPTR},
 672                                 InitXLine, DoKLine, DoneXLine},
 673
 674                 {"exception",
 675                                 {"reason",      "host",         NULL},
 676                                 {"No reason",   "",             NULL},
 677                                 {DT_CHARPTR,    DT_CHARPTR},
 678                                 InitXLine, DoELine, DoneXLine},
 679
 680                 {"type",
 681                                 {"name",        "classes",      NULL},
 682                                 {"",            "",             NULL},
 683                                 {DT_CHARPTR,    DT_CHARPTR},
 684                                 InitTypes, DoType, DoneClassesAndTypes},
 685
 686                 {"class",
 687                                 {"name",        "commands",     NULL},
 688                                 {"",            "",             NULL},
 689                                 {DT_CHARPTR,    DT_CHARPTR},
 690                                 InitClasses, DoClass, DoneClassesAndTypes},
 691
 692                 {NULL}
 693         };
 694
 695         include_stack.clear();
 696
 697         /* Load and parse the config file, if there are any errors then explode */
 698
 699         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 700         ConfigDataHash newconfig;
 701
 702         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 703         {
 704                 /* If we succeeded, set the ircd config to the new one */
 705                 this->config_data = newconfig;
 706         }
 707         else
 708         {
 709                 ReportConfigError(errstr.str(), bail, user);
 710                 return;
 711         }
 712
 713         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 714         try
 715         {
 716                 /* Check we dont have more than one of singular tags, or any of them missing
 717                  */
 718                 for (int Index = 0; Once[Index]; Index++)
 719                         if (!CheckOnce(Once[Index], bail, user))
 720                                 return;
 721
 722                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 723                  */
 724                 for (int Index = 0; Values[Index].tag; Index++)
 725                 {
 726                         char item[MAXBUF];
 727                         int dt = Values[Index].datatype;
 728                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 729                         dt &= ~DT_ALLOW_NEWLINE;
 730
 731                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 732                         ValueItem vi(item);
 733
 734                         Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 735
 736                         switch (Values[Index].datatype)
 737                         {
 738                                 case DT_CHARPTR:
 739                                 {
 740                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 741                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 742                                 }
 743                                 break;
 744                                 case DT_INTEGER:
 745                                 {
 746                                         int val = vi.GetInteger();
 747                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 748                                         vci->Set(&val, sizeof(int));
 749                                 }
 750                                 break;
 751                                 case DT_BOOLEAN:
 752                                 {
 753                                         bool val = vi.GetBool();
 754                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 755                                         vcb->Set(&val, sizeof(bool));
 756                                 }
 757                                 break;
 758                                 default:
 759                                         /* You don't want to know what happens if someones bad code sends us here. */
 760                                 break;
 761                         }
 762
 763                         /* We're done with this now */
 764                         delete Values[Index].val;
 765                 }
 766
 767                 /* Read the multiple-tag items (class tags, connect tags, etc)
 768                  * and call the callbacks associated with them. We have three
 769                  * callbacks for these, a 'start', 'item' and 'end' callback.
 770                  */
 771                 for (int Index = 0; MultiValues[Index].tag; Index++)
 772                 {
 773                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 774
 775                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 776
 777                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 778                         {
 779                                 ValueList vl;
 780                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 781                                 {
 782                                         int dt = MultiValues[Index].datatype[valuenum];
 783                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 784                                         dt &= ~DT_ALLOW_NEWLINE;
 785
 786                                         switch (dt)
 787                                         {
 788                                                 case DT_CHARPTR:
 789                                                 {
 790                                                         char item[MAXBUF];
 791                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 792                                                                 vl.push_back(ValueItem(item));
 793                                                         else
 794                                                                 vl.push_back(ValueItem(""));
 795                                                 }
 796                                                 break;
 797                                                 case DT_INTEGER:
 798                                                 {
 799                                                         int item = 0;
 800                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 801                                                                 vl.push_back(ValueItem(item));
 802                                                         else
 803                                                                 vl.push_back(ValueItem(0));
 804                                                 }
 805                                                 break;
 806                                                 case DT_BOOLEAN:
 807                                                 {
 808                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 809                                                         vl.push_back(ValueItem(item));
 810                                                 }
 811                                                 break;
 812                                                 default:
 813                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 814                                                 break;
 815                                         }
 816                                 }
 817
 818                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 819                         }
 820
 821                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 822                 }
 823
 824         }
 825
 826         catch (CoreException &ce)
 827         {
 828                 ReportConfigError(ce.GetReason(), bail, user);
 829                 return;
 830         }
 831
 832         // write once here, to try it out and make sure its ok
 833         ServerInstance->WritePID(this->PID);
 834
 835         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 836
 837         /* If we're rehashing, let's load any new modules, and unload old ones
 838          */
 839         if (!bail)
 840         {
 841                 int found_ports = 0;
 842                 FailedPortList pl;
 843                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 844
 845                 if (pl.size())
 846                 {
 847                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 848                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 849                         int j = 1;
 850                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 851                         {
 852                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 853                         }
 854                 }
 855
 856                 if (!removed_modules.empty())
 857                 {
 858                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 859                         {
 860                                 if (ServerInstance->UnloadModule(removing->c_str()))
 861                                 {
 862                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 863
 864                                         if (user)
 865                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 866
 867                                         rem++;
 868                                 }
 869                                 else
 870                                 {
 871                                         if (user)
 872                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 873                                 }
 874                         }
 875                 }
 876
 877                 if (!added_modules.empty())
 878                 {
 879                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 880                         {
 881                                 if (ServerInstance->LoadModule(adding->c_str()))
 882                                 {
 883                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 884
 885                                         if (user)
 886                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 887
 888                                         add++;
 889                                 }
 890                                 else
 891                                 {
 892                                         if (user)
 893                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 894                                 }
 895                         }
 896                 }
 897
 898                 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());
 899         }
 900 }
 901
 902 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 903 {
 904         std::ifstream conf(filename);
 905         std::string line;
 906         char ch;
 907         long linenumber;
 908         bool in_tag;
 909         bool in_quote;
 910         bool in_comment;
 911
 912         linenumber = 1;
 913         in_tag = false;
 914         in_quote = false;
 915         in_comment = false;
 916
 917         /* Check if the file open failed first */
 918         if (!conf)
 919         {
 920                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 921                 return false;
 922         }
 923
 924         /* Fix the chmod of the file to restrict it to the current user and group */
 925         chmod(filename,0600);
 926
 927         for (unsigned int t = 0; t < include_stack.size(); t++)
 928         {
 929                 if (std::string(filename) == include_stack[t])
 930                 {
 931                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 932                         return false;
 933                 }
 934         }
 935
 936         /* It's not already included, add it to the list of files we've loaded */
 937         include_stack.push_back(filename);
 938
 939         /* Start reading characters... */
 940         while(conf.get(ch))
 941         {
 942                 /*
 943                  * Here we try and get individual tags on separate lines,
 944                  * this would be so easy if we just made people format
 945                  * their config files like that, but they don't so...
 946                  * We check for a '<' and then know the line is over when
 947                  * we get a '>' not inside quotes. If we find two '<' and
 948                  * no '>' then die with an error.
 949                  */
 950
 951                 if((ch == '#') && !in_quote)
 952                         in_comment = true;
 953
 954                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 955                 {
 956                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 957                         return false;
 958                 }*/
 959
 960                 switch(ch)
 961                 {
 962                         case '\n':
 963                                 if (in_quote)
 964                                 {
 965                                         ServerInstance->Log(DEBUG, "Got \\n inside value");
 966                                         line += '\n';
 967                                 }
 968                                 linenumber++;
 969                         case '\r':
 970                                 if (!in_quote)
 971                                         in_comment = false;
 972                         case '\0':
 973                                 continue;
 974                         case '\t':
 975                                 ch = ' ';
 976                 }
 977
 978                 if(in_comment)
 979                         continue;
 980
 981                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 982                  * Note that this WILL NOT usually allow insertion of newlines,
 983                  * because a newline is two characters long. Use it primarily to
 984                  * insert the " symbol.
 985                  *
 986                  * Note that this also involves a further check when parsing the line,
 987                  * which can be found below.
 988                  */
 989                 if ((ch == '\\') && (in_quote) && (in_tag))
 990                 {
 991                         line += ch;
 992                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 993                         char real_character;
 994                         if (conf.get(real_character))
 995                         {
 996                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
 997                                 if (real_character == 'n')
 998                                         real_character = '\n';
 999                                 line += real_character;
1000                                 continue;
1001                         }
1002                         else
1003                         {
1004                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1005                                 return false;
1006                         }
1007                 }
1008
1009                 if (ch != '\r')
1010                         line += ch;
1011
1012                 if(ch == '<')
1013                 {
1014                         if(in_tag)
1015                         {
1016                                 if(!in_quote)
1017                                 {
1018                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1019                                         return false;
1020                                 }
1021                         }
1022                         else
1023                         {
1024                                 if(in_quote)
1025                                 {
1026                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1027                                         return false;
1028                                 }
1029                                 else
1030                                 {
1031                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1032                                         in_tag = true;
1033                                 }
1034                         }
1035                 }
1036                 else if(ch == '"')
1037                 {
1038                         if(in_tag)
1039                         {
1040                                 if(in_quote)
1041                                 {
1042                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1043                                         in_quote = false;
1044                                 }
1045                                 else
1046                                 {
1047                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1048                                         in_quote = true;
1049                                 }
1050                         }
1051                         else
1052                         {
1053                                 if(in_quote)
1054                                 {
1055                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1056                                 }
1057                                 else
1058                                 {
1059                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1060                                 }
1061                         }
1062                 }
1063                 else if(ch == '>')
1064                 {
1065                         if(!in_quote)
1066                         {
1067                                 if(in_tag)
1068                                 {
1069                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1070                                         in_tag = false;
1071
1072                                         /*
1073                                          * If this finds an <include> then ParseLine can simply call
1074                                          * LoadConf() and load the included config into the same ConfigDataHash
1075                                          */
1076
1077                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1078                                                 return false;
1079
1080                                         line.clear();
1081                                 }
1082                                 else
1083                                 {
1084                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1085                                         return false;
1086                                 }
1087                         }
1088                 }
1089         }
1090
1091         return true;
1092 }
1093
1094 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1095 {
1096         return this->LoadConf(target, filename.c_str(), errorstream);
1097 }
1098
1099 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1100 {
1101         std::string tagname;
1102         std::string current_key;
1103         std::string current_value;
1104         KeyValList results;
1105         bool got_name;
1106         bool got_key;
1107         bool in_quote;
1108
1109         got_name = got_key = in_quote = false;
1110
1111         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1112
1113         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1114         {
1115                 if(!got_name)
1116                 {
1117                         /* We don't know the tag name yet. */
1118
1119                         if(*c != ' ')
1120                         {
1121                                 if(*c != '<')
1122                                 {
1123                                         tagname += *c;
1124                                 }
1125                         }
1126                         else
1127                         {
1128                                 /* We got to a space, we should have the tagname now. */
1129                                 if(tagname.length())
1130                                 {
1131                                         got_name = true;
1132                                 }
1133                         }
1134                 }
1135                 else
1136                 {
1137                         /* We have the tag name */
1138                         if (!got_key)
1139                         {
1140                                 /* We're still reading the key name */
1141                                 if (*c != '=')
1142                                 {
1143                                         if (*c != ' ')
1144                                         {
1145                                                 current_key += *c;
1146                                         }
1147                                 }
1148                                 else
1149                                 {
1150                                         /* We got an '=', end of the key name. */
1151                                         got_key = true;
1152                                 }
1153                         }
1154                         else
1155                         {
1156                                 /* We have the key name, now we're looking for quotes and the value */
1157
1158                                 /* Correctly handle escaped characters here.
1159                                  * See the XXX'ed section above.
1160                                  */
1161                                 if ((*c == '\\') && (in_quote))
1162                                 {
1163                                         c++;
1164                                         if (*c == 'n')
1165                                                 current_value += '\n';
1166                                         else
1167                                                 current_value += *c;
1168                                         continue;
1169                                 }
1170                                 else if ((*c == '\n') && (in_quote))
1171                                 {
1172                                         /* Got a 'real' \n, treat it as part of the value */
1173                                         current_value += '\n';
1174                                         continue;
1175                                 }
1176                                 else if ((*c == '\r') && (in_quote))
1177                                         /* Got a \r, drop it */
1178                                         continue;
1179
1180                                 if (*c == '"')
1181                                 {
1182                                         if (!in_quote)
1183                                         {
1184                                                 /* We're not already in a quote. */
1185                                                 in_quote = true;
1186                                         }
1187                                         else
1188                                         {
1189                                                 /* Leaving quotes, we have the value */
1190                                                 results.push_back(KeyVal(current_key, current_value));
1191
1192                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1193
1194                                                 in_quote = false;
1195                                                 got_key = false;
1196
1197                                                 if((tagname == "include") && (current_key == "file"))
1198                                                 {
1199                                                         if(!this->DoInclude(target, current_value, errorstream))
1200                                                                 return false;
1201                                                 }
1202
1203                                                 current_key.clear();
1204                                                 current_value.clear();
1205                                         }
1206                                 }
1207                                 else
1208                                 {
1209                                         if(in_quote)
1210                                         {
1211                                                 current_value += *c;
1212                                         }
1213                                 }
1214                         }
1215                 }
1216         }
1217
1218         /* Finished parsing the tag, add it to the config hash */
1219         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1220
1221         return true;
1222 }
1223
1224 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1225 {
1226         std::string confpath;
1227         std::string newfile;
1228         std::string::size_type pos;
1229
1230         confpath = CONFIG_FILE;
1231         newfile = file;
1232
1233         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1234         {
1235                 if (*c == '\\')
1236                 {
1237                         *c = '/';
1238                 }
1239         }
1240
1241         if (file[0] != '/')
1242         {
1243                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1244                 {
1245                         /* Leaves us with just the path */
1246                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1247                 }
1248                 else
1249                 {
1250                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1251                         return false;
1252                 }
1253         }
1254
1255         return LoadConf(target, newfile, errorstream);
1256 }
1257
1258 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1259 {
1260         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1261 }
1262
1263 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1264 {
1265         std::string value;
1266         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1267         strlcpy(result, value.c_str(), length);
1268         return r;
1269 }
1270
1271 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1272 {
1273         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1274 }
1275
1276 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)
1277 {
1278         ConfigDataHash::size_type pos = index;
1279         if((pos >= 0) && (pos < target.count(tag)))
1280         {
1281                 ConfigDataHash::iterator iter = target.find(tag);
1282
1283                 for(int i = 0; i < index; i++)
1284                         iter++;
1285
1286                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1287                 {
1288                         if(j->first == var)
1289                         {
1290                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1291                                 {
1292                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1293                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1294                                                 if (*n == '\n')
1295                                                         *n = ' ';
1296                                 }
1297                                 else
1298                                 {
1299                                         result = j->second;
1300                                         return true;
1301                                 }
1302                         }
1303                 }
1304                 if (!default_value.empty())
1305                 {
1306                         result = default_value;
1307                         ServerInstance->Log(DEBUG, "No config option for '%s' in tag <%s> using default: %s", var.c_str(), tag.c_str(), default_value.c_str());
1308                         return true;
1309                 }
1310         }
1311         else if(pos == 0)
1312         {
1313                 if (!default_value.empty())
1314                 {
1315                         result = default_value;
1316                         ServerInstance->Log(DEBUG, "No <%s:%s> tags in config file using default: %s", tag.c_str(), var.c_str(), default_value.c_str());
1317                         return true;
1318                 }
1319                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1320         }
1321         else
1322         {
1323                 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());
1324         }
1325         return false;
1326 }
1327
1328 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1329 {
1330         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1331 }
1332
1333 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1334 {
1335         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1336 }
1337
1338 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1339 {
1340         return ConfValueInteger(target, tag, var, "", index, result);
1341 }
1342
1343 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1344 {
1345         std::string value;
1346         std::istringstream stream;
1347         bool r = ConfValue(target, tag, var, default_value, index, value);
1348         stream.str(value);
1349         if(!(stream >> result))
1350                 return false;
1351         return r;
1352 }
1353
1354
1355 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1356 {
1357         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1358 }
1359
1360 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1361 {
1362         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1363 }
1364
1365 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1366 {
1367         return ConfValueBool(target, tag, var, "", index);
1368 }
1369
1370 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1371 {
1372         std::string result;
1373         if(!ConfValue(target, tag, var, default_value, index, result))
1374                 return false;
1375
1376         return ((result == "yes") || (result == "true") || (result == "1"));
1377 }
1378
1379 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1380 {
1381         return target.count(tag);
1382 }
1383
1384 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1385 {
1386         return target.count(tag);
1387 }
1388
1389 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1390 {
1391         return ConfVarEnum(target, std::string(tag), index);
1392 }
1393
1394 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1395 {
1396         ConfigDataHash::size_type pos = index;
1397
1398         if((pos >= 0) && (pos < target.count(tag)))
1399         {
1400                 ConfigDataHash::const_iterator iter = target.find(tag);
1401
1402                 for(int i = 0; i < index; i++)
1403                         iter++;
1404
1405                 return iter->second.size();
1406         }
1407         else if(pos == 0)
1408         {
1409                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1410         }
1411         else
1412         {
1413                 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());
1414         }
1415
1416         return 0;
1417 }
1418
1419 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1420  */
1421 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1422 {
1423         FILE* file = NULL;
1424         char linebuf[MAXBUF];
1425
1426         F.clear();
1427
1428         if (*fname != '/')
1429         {
1430                 std::string::size_type pos;
1431                 std::string confpath = CONFIG_FILE;
1432                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1433                 {
1434                         /* Leaves us with just the path */
1435                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1436                         file =  fopen(newfile.c_str(), "r");
1437
1438                 }
1439         }
1440         else
1441                 file =  fopen(fname, "r");
1442
1443         if (file)
1444         {
1445                 while (!feof(file))
1446                 {
1447                         if (fgets(linebuf, sizeof(linebuf), file))
1448                                 linebuf[strlen(linebuf)-1] = 0;
1449                         else
1450                                 *linebuf = 0;
1451
1452                         if (!feof(file))
1453                         {
1454                                 F.push_back(*linebuf ? linebuf : " ");
1455                         }
1456                 }
1457
1458                 fclose(file);
1459         }
1460         else
1461                 return false;
1462
1463         return true;
1464 }
1465
1466 bool ServerConfig::FileExists(const char* file)
1467 {
1468         FILE *input;
1469         if ((input = fopen (file, "r")) == NULL)
1470         {
1471                 return false;
1472         }
1473         else
1474         {
1475                 fclose(input);
1476                 return true;
1477         }
1478 }
1479
1480 char* ServerConfig::CleanFilename(char* name)
1481 {
1482         char* p = name + strlen(name);
1483         while ((p != name) && (*p != '/')) p--;
1484         return (p != name ? ++p : p);
1485 }
1486
1487
1488 bool ServerConfig::DirValid(const char* dirandfile)
1489 {
1490         char work[MAXBUF];
1491         char buffer[MAXBUF];
1492         char otherdir[MAXBUF];
1493         int p;
1494
1495         strlcpy(work, dirandfile, MAXBUF);
1496         p = strlen(work);
1497
1498         // we just want the dir
1499         while (*work)
1500         {
1501                 if (work[p] == '/')
1502                 {
1503                         work[p] = '\0';
1504                         break;
1505                 }
1506
1507                 work[p--] = '\0';
1508         }
1509
1510         // Get the current working directory
1511         if (getcwd(buffer, MAXBUF ) == NULL )
1512                 return false;
1513
1514         if (chdir(work) == -1)
1515                 return false;
1516
1517         if (getcwd(otherdir, MAXBUF ) == NULL )
1518                 return false;
1519
1520         if (chdir(buffer) == -1)
1521                 return false;
1522
1523         size_t t = strlen(work);
1524
1525         if (strlen(otherdir) >= t)
1526         {
1527                 otherdir[t] = '\0';
1528
1529                 if (!strcmp(otherdir,work))
1530                 {
1531                         return true;
1532                 }
1533
1534                 return false;
1535         }
1536         else
1537         {
1538                 return false;
1539         }
1540 }
1541
1542 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1543 {
1544         char work[MAXBUF];
1545         char buffer[MAXBUF];
1546         char otherdir[MAXBUF];
1547         int p;
1548
1549         strlcpy(work,argv[0],MAXBUF);
1550         p = strlen(work);
1551
1552         // we just want the dir
1553         while (*work)
1554         {
1555                 if (work[p] == '/')
1556                 {
1557                         work[p] = '\0';
1558                         break;
1559                 }
1560
1561                 work[p--] = '\0';
1562         }
1563
1564         // Get the current working directory
1565         if (getcwd(buffer, MAXBUF) == NULL)
1566                 return "";
1567
1568         if (chdir(work) == -1)
1569                 return "";
1570
1571         if (getcwd(otherdir, MAXBUF) == NULL)
1572                 return "";
1573
1574         if (chdir(buffer) == -1)
1575                 return "";
1576
1577         return otherdir;
1578 }
1579
1580 InspIRCd* ServerConfig::GetInstance()
1581 {
1582         return ServerInstance;
1583 }
1584
1585
1586 ValueItem::ValueItem(int value)
1587 {
1588         std::stringstream n;
1589         n << value;
1590         v = n.str();
1591 }
1592
1593 ValueItem::ValueItem(bool value)
1594 {
1595         std::stringstream n;
1596         n << value;
1597         v = n.str();
1598 }
1599
1600 ValueItem::ValueItem(char* value)
1601 {
1602         v = value;
1603 }
1604
1605 void ValueItem::Set(char* value)
1606 {
1607         v = value;
1608 }
1609
1610 void ValueItem::Set(const char* value)
1611 {
1612         v = value;
1613 }
1614
1615 void ValueItem::Set(int value)
1616 {
1617         std::stringstream n;
1618         n << value;
1619         v = n.str();
1620 }
1621
1622 int ValueItem::GetInteger()
1623 {
1624         if (v.empty())
1625                 return 0;
1626         return atoi(v.c_str());
1627 }
1628
1629 char* ValueItem::GetString()
1630 {
1631         return (char*)v.c_str();
1632 }
1633
1634 bool ValueItem::GetBool()
1635 {
1636         return (GetInteger() || v == "yes" || v == "true");
1637 }
1638