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