src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                     E-mail:
   7  *              <brain@chatspike.net>
   8  *              <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *          the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "configreader.h"
  18 #include <sstream>
  19 #include <fstream>
  20 #include "inspircd.h"
  21 #include "xline.h"
  22
  23 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  24
  25 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  26 {
  27         this->ClearStack();
  28         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  29         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  30         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  31         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  32         log_file = NULL;
  33         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = 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         WhoWasGroupSize = 10;
  45         WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
  46         WhoWasMaxKeep = 3600*24*3; // 3 days
  47 }
  48
  49 void ServerConfig::ClearStack()
  50 {
  51         include_stack.clear();
  52 }
  53
  54 Module* ServerConfig::GetIOHook(int port)
  55 {
  56         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  57         return (x != IOHookModule.end() ? x->second : NULL);
  58 }
  59
  60 Module* ServerConfig::GetIOHook(InspSocket* is)
  61 {
  62         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  63         return (x != SocketIOHookModule.end() ? x->second : NULL);
  64 }
  65
  66 bool ServerConfig::AddIOHook(int port, Module* iomod)
  67 {
  68         if (!GetIOHook(port))
  69         {
  70                 IOHookModule[port] = iomod;
  71                 return true;
  72         }
  73         else
  74         {
  75                 throw ModuleException("Port already hooked by another module");
  76                 return false;
  77         }
  78 }
  79
  80 bool ServerConfig::AddIOHook(InspSocket* is, Module* iomod)
  81 {
  82         if (!GetIOHook(is))
  83         {
  84                 SocketIOHookModule[is] = iomod;
  85                 is->IsIOHooked = true;
  86                 return true;
  87         }
  88         else
  89         {
  90                 throw ModuleException("InspSocket derived class already hooked by another module");
  91                 return false;
  92         }
  93 }
  94
  95 bool ServerConfig::DelIOHook(int port)
  96 {
  97         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  98         if (x != IOHookModule.end())
  99         {
 100                 IOHookModule.erase(x);
 101                 return true;
 102         }
 103         return false;
 104 }
 105
 106 bool ServerConfig::DelIOHook(InspSocket* is)
 107 {
 108         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 109         if (x != SocketIOHookModule.end())
 110         {
 111                 SocketIOHookModule.erase(x);
 112                 return true;
 113         }
 114         return false;
 115 }
 116
 117 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 118 {
 119         int count = ConfValueEnum(this->config_data, tag);
 120
 121         if (count > 1)
 122         {
 123                 if (bail)
 124                 {
 125                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 126                         InspIRCd::Exit(ERROR);
 127                 }
 128                 else
 129                 {
 130                         if (user)
 131                         {
 132                                 user->WriteServ("There were errors in your configuration:");
 133                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 134                         }
 135                         else
 136                         {
 137                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 138                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 139                         }
 140                 }
 141                 return false;
 142         }
 143         if (count < 1)
 144         {
 145                 if (bail)
 146                 {
 147                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 148                         InspIRCd::Exit(ERROR);
 149                 }
 150                 else
 151                 {
 152                         if (user)
 153                         {
 154                                 user->WriteServ("There were errors in your configuration:");
 155                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 156                         }
 157                         else
 158                         {
 159                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 160                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 161                         }
 162                 }
 163                 return false;
 164         }
 165         return true;
 166 }
 167
 168 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 169 {
 170         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 171         return true;
 172 }
 173
 174 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 175 {
 176         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 177         {
 178                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 179                 data.Set(20);
 180         }
 181         return true;
 182 }
 183
 184 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 185 {
 186         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 187         {
 188                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 189                 data.Set(MAXCLIENTS);
 190         }
 191         return true;
 192 }
 193
 194 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 195 {
 196         if (data.GetInteger() > SOMAXCONN)
 197                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 198         if (!data.GetInteger())
 199                 data.Set(SOMAXCONN);
 200         return true;
 201 }
 202
 203 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 204 {
 205         if (!data.GetInteger())
 206                 data.Set(5);
 207         return true;
 208 }
 209
 210 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 211 {
 212         std::stringstream dcmds(data);
 213         std::string thiscmd;
 214
 215         /* Enable everything first */
 216         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 217                 x->second->Disable(false);
 218
 219         /* Now disable all the ones which the user wants disabled */
 220         while (dcmds >> thiscmd)
 221         {
 222                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 223                 if (cm != ServerInstance->Parser->cmdlist.end())
 224                 {
 225                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 226                         cm->second->Disable(true);
 227                 }
 228         }
 229         return true;
 230 }
 231
 232 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 233 {
 234         if (!*(data.GetString()))
 235         {
 236                 // attempt to look up their nameserver from /etc/resolv.conf
 237                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 238                 ifstream resolv("/etc/resolv.conf");
 239                 std::string nameserver;
 240                 bool found_server = false;
 241
 242                 if (resolv.is_open())
 243                 {
 244                         while (resolv >> nameserver)
 245                         {
 246                                 if ((nameserver == "nameserver") && (!found_server))
 247                                 {
 248                                         resolv >> nameserver;
 249                                         data.Set(nameserver.c_str());
 250                                         found_server = true;
 251                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 252                                 }
 253                         }
 254
 255                         if (!found_server)
 256                         {
 257                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 258                                 data.Set("127.0.0.1");
 259                         }
 260                 }
 261                 else
 262                 {
 263                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 264                         data.Set("127.0.0.1");
 265                 }
 266         }
 267         return true;
 268 }
 269
 270 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 271 {
 272         if (!*(data.GetString()))
 273                 data.Set(MOD_PATH);
 274         return true;
 275 }
 276
 277
 278 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 279 {
 280         if (!strchr(data.GetString(),'.'))
 281         {
 282                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 283                 std::string moo = std::string(data.GetString()).append(".");
 284                 data.Set(moo.c_str());
 285         }
 286         return true;
 287 }
 288
 289 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 290 {
 291         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 292         {
 293                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 294                 data.Set(10240);
 295         }
 296         return true;
 297 }
 298
 299 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 300 {
 301         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 302         {
 303                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 304                 data.Set(128);
 305         }
 306         return true;
 307 }
 308
 309 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 310 {
 311         std::string dbg = data.GetString();
 312         conf->LogLevel = DEFAULT;
 313
 314         if (dbg == "debug")
 315                 conf->LogLevel = DEBUG;
 316         else if (dbg  == "verbose")
 317                 conf->LogLevel = VERBOSE;
 318         else if (dbg == "default")
 319                 conf->LogLevel = DEFAULT;
 320         else if (dbg == "sparse")
 321                 conf->LogLevel = SPARSE;
 322         else if (dbg == "none")
 323                 conf->LogLevel = NONE;
 324
 325         conf->debugging = (conf->LogLevel == DEBUG);
 326
 327         return true;
 328 }
 329
 330 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 331 {
 332         conf->ReadFile(conf->MOTD, data.GetString());
 333         return true;
 334 }
 335
 336 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 337 {
 338         conf->ReadFile(conf->RULES, data.GetString());
 339         return true;
 340 }
 341
 342 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 343 {
 344         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 345
 346         if (conf->WhoWasGroupSize < 0)
 347                 conf->WhoWasGroupSize = 0;
 348
 349         if (conf->WhoWasMaxGroups < 0)
 350                 conf->WhoWasMaxGroups = 0;
 351
 352         if (conf->WhoWasMaxKeep < 3600)
 353         {
 354                 conf->WhoWasMaxKeep = 3600;
 355                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 356         }
 357         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 358         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 359         return true;
 360 }
 361
 362 /* Callback called before processing the first <connect> tag
 363  */
 364 bool InitConnect(ServerConfig* conf, const char* tag)
 365 {
 366         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 367         conf->Classes.clear();
 368         return true;
 369 }
 370
 371 /* Callback called to process a single <connect> tag
 372  */
 373 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 374 {
 375         ConnectClass c;
 376         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 377         const char* deny = values[1].GetString();
 378         const char* password = values[2].GetString();
 379         int timeout = values[3].GetInteger();
 380         int pingfreq = values[4].GetInteger();
 381         int flood = values[5].GetInteger();
 382         int threshold = values[6].GetInteger();
 383         int sendq = values[7].GetInteger();
 384         int recvq = values[8].GetInteger();
 385         int localmax = values[9].GetInteger();
 386         int globalmax = values[10].GetInteger();
 387
 388         if (*allow)
 389         {
 390                 c.host = allow;
 391                 c.type = CC_ALLOW;
 392                 c.pass = password;
 393                 c.registration_timeout = timeout;
 394                 c.pingtime = pingfreq;
 395                 c.flood = flood;
 396                 c.threshold = threshold;
 397                 c.sendqmax = sendq;
 398                 c.recvqmax = recvq;
 399                 c.maxlocal = localmax;
 400                 c.maxglobal = globalmax;
 401
 402
 403                 if (c.maxlocal == 0)
 404                         c.maxlocal = 3;
 405                 if (c.maxglobal == 0)
 406                         c.maxglobal = 3;
 407                 if (c.threshold == 0)
 408                 {
 409                         c.threshold = 1;
 410                         c.flood = 999;
 411                         conf->GetInstance()->Log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str());
 412                 }
 413                 if (c.sendqmax == 0)
 414                         c.sendqmax = 262114;
 415                 if (c.recvqmax == 0)
 416                         c.recvqmax = 4096;
 417                 if (c.registration_timeout == 0)
 418                         c.registration_timeout = 90;
 419                 if (c.pingtime == 0)
 420                         c.pingtime = 120;
 421                 conf->Classes.push_back(c);
 422         }
 423         else
 424         {
 425                 c.host = deny;
 426                 c.type = CC_DENY;
 427                 conf->Classes.push_back(c);
 428                 conf->GetInstance()->Log(DEBUG,"Read connect class type DENY, host=%s",deny);
 429         }
 430
 431         return true;
 432 }
 433
 434 /* Callback called when there are no more <connect> tags
 435  */
 436 bool DoneConnect(ServerConfig* conf, const char* tag)
 437 {
 438         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 439         return true;
 440 }
 441
 442 /* Callback called before processing the first <uline> tag
 443  */
 444 bool InitULine(ServerConfig* conf, const char* tag)
 445 {
 446         conf->ulines.clear();
 447         return true;
 448 }
 449
 450 /* Callback called to process a single <uline> tag
 451  */
 452 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 453 {
 454         const char* server = values[0].GetString();
 455         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 456         conf->ulines.push_back(server);
 457         return true;
 458 }
 459
 460 /* Callback called when there are no more <uline> tags
 461  */
 462 bool DoneULine(ServerConfig* conf, const char* tag)
 463 {
 464         return true;
 465 }
 466
 467 /* Callback called before processing the first <module> tag
 468  */
 469 bool InitModule(ServerConfig* conf, const char* tag)
 470 {
 471         old_module_names.clear();
 472         new_module_names.clear();
 473         added_modules.clear();
 474         removed_modules.clear();
 475         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 476         {
 477                 old_module_names.push_back(*t);
 478         }
 479         return true;
 480 }
 481
 482 /* Callback called to process a single <module> tag
 483  */
 484 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 485 {
 486         const char* modname = values[0].GetString();
 487         new_module_names.push_back(modname);
 488         return true;
 489 }
 490
 491 /* Callback called when there are no more <module> tags
 492  */
 493 bool DoneModule(ServerConfig* conf, const char* tag)
 494 {
 495         // now create a list of new modules that are due to be loaded
 496         // and a seperate list of modules which are due to be unloaded
 497         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 498         {
 499                 bool added = true;
 500
 501                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 502                 {
 503                         if (*old == *_new)
 504                                 added = false;
 505                 }
 506
 507                 if (added)
 508                         added_modules.push_back(*_new);
 509         }
 510
 511         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 512         {
 513                 bool removed = true;
 514                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 515                 {
 516                         if (*newm == *oldm)
 517                                 removed = false;
 518                 }
 519
 520                 if (removed)
 521                         removed_modules.push_back(*oldm);
 522         }
 523         return true;
 524 }
 525
 526 /* Callback called before processing the first <banlist> tag
 527  */
 528 bool InitMaxBans(ServerConfig* conf, const char* tag)
 529 {
 530         conf->maxbans.clear();
 531         return true;
 532 }
 533
 534 /* Callback called to process a single <banlist> tag
 535  */
 536 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 537 {
 538         const char* channel = values[0].GetString();
 539         int limit = values[1].GetInteger();
 540         conf->maxbans[channel] = limit;
 541         return true;
 542 }
 543
 544 /* Callback called when there are no more <banlist> tags.
 545  */
 546 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 547 {
 548         return true;
 549 }
 550
 551 void ServerConfig::Read(bool bail, userrec* user)
 552 {
 553         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 554         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 555         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 556         std::ostringstream errstr;      /* String stream containing the error output */
 557
 558         /* These tags MUST occur and must ONLY occur once in the config file */
 559         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 560
 561         /* These tags can occur ONCE or not at all */
 562         InitialConfig Values[] = {
 563                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 564                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 565                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 566                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 567                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 568                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 569                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 570                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 571                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 572                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 573                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 574                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 575                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 576                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 577                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 578                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 579                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 580                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 581                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 582                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 583                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 584                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 585                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 586                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 587                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 588                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 589                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 590                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 591                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 592                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 593                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 594                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 595                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 596                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 597                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 598                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 599                 {NULL}
 600         };
 601
 602         /* These tags can occur multiple times, and therefore they have special code to read them
 603          * which is different to the code for reading the singular tags listed above.
 604          */
 605         MultiConfig MultiValues[] = {
 606
 607                 {"connect",
 608                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 609                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    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                                 {DT_CHARPTR},
 617                                 InitULine,DoULine,DoneULine},
 618
 619                 {"banlist",
 620                                 {"chan",        "limit",        NULL},
 621                                 {DT_CHARPTR,    DT_INTEGER},
 622                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 623
 624                 {"module",
 625                                 {"name",        NULL},
 626                                 {DT_CHARPTR},
 627                                 InitModule, DoModule, DoneModule},
 628
 629                 {"badip",
 630                                 {"reason",      "ipmask",       NULL},
 631                                 {DT_CHARPTR,    DT_CHARPTR},
 632                                 InitXLine, DoZLine, DoneXLine},
 633
 634                 {"badnick",
 635                                 {"reason",      "nick",         NULL},
 636                                 {DT_CHARPTR,    DT_CHARPTR},
 637                                 InitXLine, DoQLine, DoneXLine},
 638
 639                 {"badhost",
 640                                 {"reason",      "host",         NULL},
 641                                 {DT_CHARPTR,    DT_CHARPTR},
 642                                 InitXLine, DoKLine, DoneXLine},
 643
 644                 {"exception",
 645                                 {"reason",      "host",         NULL},
 646                                 {DT_CHARPTR,    DT_CHARPTR},
 647                                 InitXLine, DoELine, DoneXLine},
 648
 649                 {"type",
 650                                 {"name",        "classes",      NULL},
 651                                 {DT_CHARPTR,    DT_CHARPTR},
 652                                 InitTypes, DoType, DoneClassesAndTypes},
 653
 654                 {"class",
 655                                 {"name",        "commands",     NULL},
 656                                 {DT_CHARPTR,    DT_CHARPTR},
 657                                 InitClasses, DoClass, DoneClassesAndTypes},
 658
 659                 {NULL}
 660         };
 661
 662         include_stack.clear();
 663
 664         /* Load and parse the config file, if there are any errors then explode */
 665
 666         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 667         ConfigDataHash newconfig;
 668
 669         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 670         {
 671                 /* If we succeeded, set the ircd config to the new one */
 672                 this->config_data = newconfig;
 673         }
 674         else
 675         {
 676                 ServerInstance->Log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str());
 677
 678                 if (bail)
 679                 {
 680                         /* Unneeded because of the ServerInstance->Log() aboive? */
 681                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 682                         InspIRCd::Exit(ERROR);
 683                 }
 684                 else
 685                 {
 686                         std::string errors = errstr.str();
 687                         std::string::size_type start;
 688                         unsigned int prefixlen;
 689
 690                         start = 0;
 691                         /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 692                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 693
 694                         if (user)
 695                         {
 696                                 user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 697
 698                                 while(start < errors.length())
 699                                 {
 700                                         user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 701                                         start += 510 - prefixlen;
 702                                 }
 703                         }
 704                         else
 705                         {
 706                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 707
 708                                 while(start < errors.length())
 709                                 {
 710                                         ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 711                                         start += 360;
 712                                 }
 713                         }
 714
 715                         return;
 716                 }
 717         }
 718
 719         /* Check we dont have more than one of singular tags, or any of them missing
 720          */
 721         for (int Index = 0; Once[Index]; Index++)
 722                 if (!CheckOnce(Once[Index], bail, user))
 723                         return;
 724
 725         /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 726          */
 727         for (int Index = 0; Values[Index].tag; Index++)
 728         {
 729                 char item[MAXBUF];
 730                 ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF);
 731                 ValueItem vi(item);
 732
 733                 Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 734
 735                 switch (Values[Index].datatype)
 736                 {
 737                         case DT_CHARPTR:
 738                                 {
 739                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 740                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 741                                 }
 742                         break;
 743                         case DT_INTEGER:
 744                                 {
 745                                         int val = vi.GetInteger();
 746                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 747                                         vci->Set(&val, sizeof(int));
 748                                 }
 749                         break;
 750                         case DT_BOOLEAN:
 751                                 {
 752                                         bool val = vi.GetBool();
 753                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 754                                         vcb->Set(&val, sizeof(bool));
 755                                 }
 756                         break;
 757                         default:
 758                                 /* You don't want to know what happens if someones bad code sends us here. */
 759                         break;
 760                 }
 761
 762                 /* We're done with this now */
 763                 delete Values[Index].val;
 764         }
 765
 766         /* Read the multiple-tag items (class tags, connect tags, etc)
 767          * and call the callbacks associated with them. We have three
 768          * callbacks for these, a 'start', 'item' and 'end' callback.
 769          */
 770         for (int Index = 0; MultiValues[Index].tag; Index++)
 771         {
 772                 MultiValues[Index].init_function(this, MultiValues[Index].tag);
 773
 774                 int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 775
 776                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 777                 {
 778                         ValueList vl;
 779                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 780                         {
 781                                 switch (MultiValues[Index].datatype[valuenum])
 782                                 {
 783                                         case DT_CHARPTR:
 784                                                 {
 785                                                         char item[MAXBUF];
 786                                                         ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF);
 787                                                         vl.push_back(ValueItem(item));
 788                                                 }
 789                                         break;
 790                                         case DT_INTEGER:
 791                                                 {
 792                                                         int item;
 793                                                         ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
 794                                                         vl.push_back(ValueItem(item));
 795                                                 }
 796                                         break;
 797                                         case DT_BOOLEAN:
 798                                                 {
 799                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 800                                                         vl.push_back(ValueItem(item));
 801                                                 }
 802                                         break;
 803                                         default:
 804                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
 805                                         break;
 806                                 }
 807                         }
 808
 809                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 810                 }
 811
 812                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 813         }
 814
 815         // write once here, to try it out and make sure its ok
 816         ServerInstance->WritePID(this->PID);
 817
 818         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 819
 820         /* If we're rehashing, let's load any new modules, and unload old ones
 821          */
 822         if (!bail)
 823         {
 824                 int found_ports = 0;
 825                 FailedPortList pl;
 826                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 827
 828                 if (pl.size())
 829                 {
 830                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 831                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 832                         int j = 1;
 833                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 834                         {
 835                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 836                         }
 837                 }
 838
 839                 if (!removed_modules.empty())
 840                 {
 841                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 842                         {
 843                                 if (ServerInstance->UnloadModule(removing->c_str()))
 844                                 {
 845                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 846
 847                                         if (user)
 848                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 849
 850                                         rem++;
 851                                 }
 852                                 else
 853                                 {
 854                                         if (user)
 855                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 856                                 }
 857                         }
 858                 }
 859
 860                 if (!added_modules.empty())
 861                 {
 862                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 863                         {
 864                                 if (ServerInstance->LoadModule(adding->c_str()))
 865                                 {
 866                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 867
 868                                         if (user)
 869                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 870
 871                                         add++;
 872                                 }
 873                                 else
 874                                 {
 875                                         if (user)
 876                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 877                                 }
 878                         }
 879                 }
 880
 881                 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());
 882         }
 883 }
 884
 885 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 886 {
 887         std::ifstream conf(filename);
 888         std::string line;
 889         char ch;
 890         long linenumber;
 891         bool in_tag;
 892         bool in_quote;
 893         bool in_comment;
 894
 895         linenumber = 1;
 896         in_tag = false;
 897         in_quote = false;
 898         in_comment = false;
 899
 900         /* Check if the file open failed first */
 901         if (!conf)
 902         {
 903                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 904                 return false;
 905         }
 906
 907         /* Fix the chmod of the file to restrict it to the current user and group */
 908         chmod(filename,0600);
 909
 910         for (unsigned int t = 0; t < include_stack.size(); t++)
 911         {
 912                 if (std::string(filename) == include_stack[t])
 913                 {
 914                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 915                         return false;
 916                 }
 917         }
 918
 919         /* It's not already included, add it to the list of files we've loaded */
 920         include_stack.push_back(filename);
 921
 922         /* Start reading characters... */
 923         while(conf.get(ch))
 924         {
 925                 /*
 926                  * Here we try and get individual tags on separate lines,
 927                  * this would be so easy if we just made people format
 928                  * their config files like that, but they don't so...
 929                  * We check for a '<' and then know the line is over when
 930                  * we get a '>' not inside quotes. If we find two '<' and
 931                  * no '>' then die with an error.
 932                  */
 933
 934                 if((ch == '#') && !in_quote)
 935                         in_comment = true;
 936
 937                 if(((ch == '\n') || (ch == '\r')) && in_quote)
 938                 {
 939                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 940                         return false;
 941                 }
 942
 943                 switch(ch)
 944                 {
 945                         case '\n':
 946                                 linenumber++;
 947                         case '\r':
 948                                 in_comment = false;
 949                         case '\0':
 950                                 continue;
 951                         case '\t':
 952                                 ch = ' ';
 953                 }
 954
 955                 if(in_comment)
 956                         continue;
 957
 958                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 959                  * Note that this WILL NOT usually allow insertion of newlines,
 960                  * because a newline is two characters long. Use it primarily to
 961                  * insert the " symbol.
 962                  *
 963                  * Note that this also involves a further check when parsing the line,
 964                  * which can be found below.
 965                  */
 966                 if ((ch == '\\') && (in_quote) && (in_tag))
 967                 {
 968                         line += ch;
 969                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 970                         char real_character;
 971                         if (conf.get(real_character))
 972                         {
 973                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
 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                 line += ch;
 987
 988                 if(ch == '<')
 989                 {
 990                         if(in_tag)
 991                         {
 992                                 if(!in_quote)
 993                                 {
 994                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
 995                                         return false;
 996                                 }
 997                         }
 998                         else
 999                         {
1000                                 if(in_quote)
1001                                 {
1002                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1003                                         return false;
1004                                 }
1005                                 else
1006                                 {
1007                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1008                                         in_tag = true;
1009                                 }
1010                         }
1011                 }
1012                 else if(ch == '"')
1013                 {
1014                         if(in_tag)
1015                         {
1016                                 if(in_quote)
1017                                 {
1018                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1019                                         in_quote = false;
1020                                 }
1021                                 else
1022                                 {
1023                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1024                                         in_quote = true;
1025                                 }
1026                         }
1027                         else
1028                         {
1029                                 if(in_quote)
1030                                 {
1031                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1032                                 }
1033                                 else
1034                                 {
1035                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1036                                 }
1037                         }
1038                 }
1039                 else if(ch == '>')
1040                 {
1041                         if(!in_quote)
1042                         {
1043                                 if(in_tag)
1044                                 {
1045                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1046                                         in_tag = false;
1047
1048                                         /*
1049                                          * If this finds an <include> then ParseLine can simply call
1050                                          * LoadConf() and load the included config into the same ConfigDataHash
1051                                          */
1052
1053                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1054                                                 return false;
1055
1056                                         line.clear();
1057                                 }
1058                                 else
1059                                 {
1060                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1061                                         return false;
1062                                 }
1063                         }
1064                 }
1065         }
1066
1067         return true;
1068 }
1069
1070 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1071 {
1072         return this->LoadConf(target, filename.c_str(), errorstream);
1073 }
1074
1075 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1076 {
1077         std::string tagname;
1078         std::string current_key;
1079         std::string current_value;
1080         KeyValList results;
1081         bool got_name;
1082         bool got_key;
1083         bool in_quote;
1084
1085         got_name = got_key = in_quote = false;
1086
1087         // std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1088
1089         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1090         {
1091                 if(!got_name)
1092                 {
1093                         /* We don't know the tag name yet. */
1094
1095                         if(*c != ' ')
1096                         {
1097                                 if(*c != '<')
1098                                 {
1099                                         tagname += *c;
1100                                 }
1101                         }
1102                         else
1103                         {
1104                                 /* We got to a space, we should have the tagname now. */
1105                                 if(tagname.length())
1106                                 {
1107                                         got_name = true;
1108                                 }
1109                         }
1110                 }
1111                 else
1112                 {
1113                         /* We have the tag name */
1114                         if (!got_key)
1115                         {
1116                                 /* We're still reading the key name */
1117                                 if (*c != '=')
1118                                 {
1119                                         if (*c != ' ')
1120                                         {
1121                                                 current_key += *c;
1122                                         }
1123                                 }
1124                                 else
1125                                 {
1126                                         /* We got an '=', end of the key name. */
1127                                         got_key = true;
1128                                 }
1129                         }
1130                         else
1131                         {
1132                                 /* We have the key name, now we're looking for quotes and the value */
1133
1134                                 /* Correctly handle escaped characters here.
1135                                  * See the XXX'ed section above.
1136                                  */
1137                                 if ((*c == '\\') && (in_quote))
1138                                 {
1139                                         c++;
1140                                         if (*c == 'n')
1141                                                 current_value += '\n';
1142                                         else
1143                                                 current_value += *c;
1144                                         continue;
1145                                 }
1146                                 if (*c == '"')
1147                                 {
1148                                         if (!in_quote)
1149                                         {
1150                                                 /* We're not already in a quote. */
1151                                                 in_quote = true;
1152                                         }
1153                                         else
1154                                         {
1155                                                 /* Leaving quotes, we have the value */
1156                                                 results.push_back(KeyVal(current_key, current_value));
1157
1158                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1159
1160                                                 in_quote = false;
1161                                                 got_key = false;
1162
1163                                                 if((tagname == "include") && (current_key == "file"))
1164                                                 {
1165                                                         if(!this->DoInclude(target, current_value, errorstream))
1166                                                                 return false;
1167                                                 }
1168
1169                                                 current_key.clear();
1170                                                 current_value.clear();
1171                                         }
1172                                 }
1173                                 else
1174                                 {
1175                                         if(in_quote)
1176                                         {
1177                                                 current_value += *c;
1178                                         }
1179                                 }
1180                         }
1181                 }
1182         }
1183
1184         /* Finished parsing the tag, add it to the config hash */
1185         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1186
1187         return true;
1188 }
1189
1190 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1191 {
1192         std::string confpath;
1193         std::string newfile;
1194         std::string::size_type pos;
1195
1196         confpath = CONFIG_FILE;
1197         newfile = file;
1198
1199         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1200         {
1201                 if (*c == '\\')
1202                 {
1203                         *c = '/';
1204                 }
1205         }
1206
1207         if (file[0] != '/')
1208         {
1209                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1210                 {
1211                         /* Leaves us with just the path */
1212                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1213                 }
1214                 else
1215                 {
1216                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1217                         return false;
1218                 }
1219         }
1220
1221         return LoadConf(target, newfile, errorstream);
1222 }
1223
1224 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length)
1225 {
1226         std::string value;
1227         bool r = ConfValue(target, std::string(tag), std::string(var), index, value);
1228         strlcpy(result, value.c_str(), length);
1229         return r;
1230 }
1231
1232 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result)
1233 {
1234         ConfigDataHash::size_type pos = index;
1235         if((pos >= 0) && (pos < target.count(tag)))
1236         {
1237                 ConfigDataHash::const_iterator iter = target.find(tag);
1238
1239                 for(int i = 0; i < index; i++)
1240                         iter++;
1241
1242                 for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++)
1243                 {
1244                         if(j->first == var)
1245                         {
1246                                 result = j->second;
1247                                 return true;
1248                         }
1249                 }
1250         }
1251         else if(pos == 0)
1252         {
1253                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1254         }
1255         else
1256         {
1257                 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());
1258         }
1259
1260         return false;
1261 }
1262
1263 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1264 {
1265         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1266 }
1267
1268 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1269 {
1270         std::string value;
1271         std::istringstream stream;
1272         bool r = ConfValue(target, tag, var, index, value);
1273         stream.str(value);
1274         if(!(stream >> result))
1275                 return false;
1276         return r;
1277 }
1278
1279 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1280 {
1281         return ConfValueBool(target, std::string(tag), std::string(var), index);
1282 }
1283
1284 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1285 {
1286         std::string result;
1287         if(!ConfValue(target, tag, var, index, result))
1288                 return false;
1289
1290         return ((result == "yes") || (result == "true") || (result == "1"));
1291 }
1292
1293 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1294 {
1295         return target.count(tag);
1296 }
1297
1298 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1299 {
1300         return target.count(tag);
1301 }
1302
1303 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1304 {
1305         return ConfVarEnum(target, std::string(tag), index);
1306 }
1307
1308 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1309 {
1310         ConfigDataHash::size_type pos = index;
1311
1312         if((pos >= 0) && (pos < target.count(tag)))
1313         {
1314                 ConfigDataHash::const_iterator iter = target.find(tag);
1315
1316                 for(int i = 0; i < index; i++)
1317                         iter++;
1318
1319                 return iter->second.size();
1320         }
1321         else if(pos == 0)
1322         {
1323                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1324         }
1325         else
1326         {
1327                 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());
1328         }
1329
1330         return 0;
1331 }
1332
1333 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1334  */
1335 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1336 {
1337         FILE* file = NULL;
1338         char linebuf[MAXBUF];
1339
1340         F.clear();
1341
1342         if (*fname != '/')
1343         {
1344                 std::string::size_type pos;
1345                 std::string confpath = CONFIG_FILE;
1346                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1347                 {
1348                         /* Leaves us with just the path */
1349                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1350                         file =  fopen(newfile.c_str(), "r");
1351
1352                 }
1353         }
1354         else
1355                 file =  fopen(fname, "r");
1356
1357         if (file)
1358         {
1359                 while (!feof(file))
1360                 {
1361                         if (fgets(linebuf, sizeof(linebuf), file))
1362                                 linebuf[strlen(linebuf)-1] = 0;
1363                         else
1364                                 *linebuf = 0;
1365
1366                         if (!feof(file))
1367                         {
1368                                 F.push_back(*linebuf ? linebuf : " ");
1369                         }
1370                 }
1371
1372                 fclose(file);
1373         }
1374         else
1375                 return false;
1376
1377         return true;
1378 }
1379
1380 bool ServerConfig::FileExists(const char* file)
1381 {
1382         FILE *input;
1383         if ((input = fopen (file, "r")) == NULL)
1384         {
1385                 return false;
1386         }
1387         else
1388         {
1389                 fclose(input);
1390                 return true;
1391         }
1392 }
1393
1394 char* ServerConfig::CleanFilename(char* name)
1395 {
1396         char* p = name + strlen(name);
1397         while ((p != name) && (*p != '/')) p--;
1398         return (p != name ? ++p : p);
1399 }
1400
1401
1402 bool ServerConfig::DirValid(const char* dirandfile)
1403 {
1404         char work[MAXBUF];
1405         char buffer[MAXBUF];
1406         char otherdir[MAXBUF];
1407         int p;
1408
1409         strlcpy(work, dirandfile, MAXBUF);
1410         p = strlen(work);
1411
1412         // we just want the dir
1413         while (*work)
1414         {
1415                 if (work[p] == '/')
1416                 {
1417                         work[p] = '\0';
1418                         break;
1419                 }
1420
1421                 work[p--] = '\0';
1422         }
1423
1424         // Get the current working directory
1425         if (getcwd(buffer, MAXBUF ) == NULL )
1426                 return false;
1427
1428         if (chdir(work) == -1)
1429                 return false;
1430
1431         if (getcwd(otherdir, MAXBUF ) == NULL )
1432                 return false;
1433
1434         if (chdir(buffer) == -1)
1435                 return false;
1436
1437         size_t t = strlen(work);
1438
1439         if (strlen(otherdir) >= t)
1440         {
1441                 otherdir[t] = '\0';
1442
1443                 if (!strcmp(otherdir,work))
1444                 {
1445                         return true;
1446                 }
1447
1448                 return false;
1449         }
1450         else
1451         {
1452                 return false;
1453         }
1454 }
1455
1456 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1457 {
1458         char work[MAXBUF];
1459         char buffer[MAXBUF];
1460         char otherdir[MAXBUF];
1461         int p;
1462
1463         strlcpy(work,argv[0],MAXBUF);
1464         p = strlen(work);
1465
1466         // we just want the dir
1467         while (*work)
1468         {
1469                 if (work[p] == '/')
1470                 {
1471                         work[p] = '\0';
1472                         break;
1473                 }
1474
1475                 work[p--] = '\0';
1476         }
1477
1478         // Get the current working directory
1479         if (getcwd(buffer, MAXBUF) == NULL)
1480                 return "";
1481
1482         if (chdir(work) == -1)
1483                 return "";
1484
1485         if (getcwd(otherdir, MAXBUF) == NULL)
1486                 return "";
1487
1488         if (chdir(buffer) == -1)
1489                 return "";
1490
1491         return otherdir;
1492 }
1493
1494 InspIRCd* ServerConfig::GetInstance()
1495 {
1496         return ServerInstance;
1497 }
1498
1499
1500 ValueItem::ValueItem(int value)
1501 {
1502         std::stringstream n;
1503         n << value;
1504         v = n.str();
1505 }
1506
1507 ValueItem::ValueItem(bool value)
1508 {
1509         std::stringstream n;
1510         n << value;
1511         v = n.str();
1512 }
1513
1514 ValueItem::ValueItem(char* value)
1515 {
1516         v = value;
1517 }
1518
1519 void ValueItem::Set(char* value)
1520 {
1521         v = value;
1522 }
1523
1524 void ValueItem::Set(const char* value)
1525 {
1526         v = value;
1527 }
1528
1529 void ValueItem::Set(int value)
1530 {
1531         std::stringstream n;
1532         n << value;
1533         v = n.str();
1534 }
1535
1536 int ValueItem::GetInteger()
1537 {
1538         return atoi(v.c_str());
1539 }
1540
1541 char* ValueItem::GetString()
1542 {
1543         return (char*)v.c_str();
1544 }
1545
1546 bool ValueItem::GetBool()
1547 {
1548         return (GetInteger() || v == "yes" || v == "true");
1549 }
1550