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 bool ServerConfig::AddIOHook(int port, Module* iomod)
  61 {
  62         if (!GetIOHook(port))
  63         {
  64                 IOHookModule[port] = iomod;
  65                 return true;
  66         }
  67         else
  68         {
  69                 ModuleException err("Port already hooked by another module");
  70                 throw(err);
  71                 return false;
  72         }
  73 }
  74
  75 bool ServerConfig::DelIOHook(int port)
  76 {
  77         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  78         if (x != IOHookModule.end())
  79         {
  80                 IOHookModule.erase(x);
  81                 return true;
  82         }
  83         return false;
  84 }
  85
  86 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
  87 {
  88         int count = ConfValueEnum(this->config_data, tag);
  89
  90         if (count > 1)
  91         {
  92                 if (bail)
  93                 {
  94                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
  95                         InspIRCd::Exit(ERROR);
  96                 }
  97                 else
  98                 {
  99                         if (user)
 100                         {
 101                                 user->WriteServ("There were errors in your configuration:");
 102                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 103                         }
 104                         else
 105                         {
 106                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 107                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 108                         }
 109                 }
 110                 return false;
 111         }
 112         if (count < 1)
 113         {
 114                 if (bail)
 115                 {
 116                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 117                         InspIRCd::Exit(ERROR);
 118                 }
 119                 else
 120                 {
 121                         if (user)
 122                         {
 123                                 user->WriteServ("There were errors in your configuration:");
 124                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 125                         }
 126                         else
 127                         {
 128                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 129                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 130                         }
 131                 }
 132                 return false;
 133         }
 134         return true;
 135 }
 136
 137 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 138 {
 139         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 140         return true;
 141 }
 142
 143 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 144 {
 145         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 146         {
 147                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 148                 data.Set(20);
 149         }
 150         return true;
 151 }
 152
 153 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 154 {
 155         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 156         {
 157                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 158                 data.Set(MAXCLIENTS);
 159         }
 160         return true;
 161 }
 162
 163 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 164 {
 165         if (data.GetInteger() > SOMAXCONN)
 166                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 167         if (!data.GetInteger())
 168                 data.Set(SOMAXCONN);
 169         return true;
 170 }
 171
 172 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 173 {
 174         if (!data.GetInteger())
 175                 data.Set(5);
 176         return true;
 177 }
 178
 179 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 180 {
 181         std::stringstream dcmds(data);
 182         std::string thiscmd;
 183
 184         /* Enable everything first */
 185         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 186                 x->second->Disable(false);
 187
 188         /* Now disable all the ones which the user wants disabled */
 189         while (dcmds >> thiscmd)
 190         {
 191                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 192                 if (cm != ServerInstance->Parser->cmdlist.end())
 193                 {
 194                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 195                         cm->second->Disable(true);
 196                 }
 197         }
 198         return true;
 199 }
 200
 201 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 202 {
 203         if (!*(data.GetString()))
 204         {
 205                 // attempt to look up their nameserver from /etc/resolv.conf
 206                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 207                 ifstream resolv("/etc/resolv.conf");
 208                 std::string nameserver;
 209                 bool found_server = false;
 210
 211                 if (resolv.is_open())
 212                 {
 213                         while (resolv >> nameserver)
 214                         {
 215                                 if ((nameserver == "nameserver") && (!found_server))
 216                                 {
 217                                         resolv >> nameserver;
 218                                         data.Set(nameserver.c_str());
 219                                         found_server = true;
 220                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 221                                 }
 222                         }
 223
 224                         if (!found_server)
 225                         {
 226                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 227                                 data.Set("127.0.0.1");
 228                         }
 229                 }
 230                 else
 231                 {
 232                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 233                         data.Set("127.0.0.1");
 234                 }
 235         }
 236         return true;
 237 }
 238
 239 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 240 {
 241         if (!*(data.GetString()))
 242                 data.Set(MOD_PATH);
 243         return true;
 244 }
 245
 246
 247 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 248 {
 249         if (!strchr(data.GetString(),'.'))
 250         {
 251                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 252                 std::string moo = std::string(data.GetString()).append(".");
 253                 data.Set(moo.c_str());
 254         }
 255         return true;
 256 }
 257
 258 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 259 {
 260         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 261         {
 262                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 263                 data.Set(10240);
 264         }
 265         return true;
 266 }
 267
 268 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 269 {
 270         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 271         {
 272                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 273                 data.Set(128);
 274         }
 275         return true;
 276 }
 277
 278 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 279 {
 280         std::string dbg = data.GetString();
 281         conf->LogLevel = DEFAULT;
 282
 283         if (dbg == "debug")
 284                 conf->LogLevel = DEBUG;
 285         else if (dbg  == "verbose")
 286                 conf->LogLevel = VERBOSE;
 287         else if (dbg == "default")
 288                 conf->LogLevel = DEFAULT;
 289         else if (dbg == "sparse")
 290                 conf->LogLevel = SPARSE;
 291         else if (dbg == "none")
 292                 conf->LogLevel = NONE;
 293
 294         conf->debugging = (conf->LogLevel == DEBUG);
 295
 296         return true;
 297 }
 298
 299 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 300 {
 301         conf->ReadFile(conf->MOTD, data.GetString());
 302         return true;
 303 }
 304
 305 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 306 {
 307         conf->ReadFile(conf->RULES, data.GetString());
 308         return true;
 309 }
 310
 311 bool ValidateDie(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 312 {
 313         if (!*data.GetString())
 314         {
 315                 conf->GetInstance()->Log(DEFAULT,"Die value is set: \"%s\", terminating.", data.GetString());
 316                 printf("\n\nERROR: %s\n\n", data.GetString());
 317                 exit(ERROR);
 318         }
 319         return true;
 320 }
 321
 322 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 323 {
 324         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 325
 326         if (conf->WhoWasGroupSize < 0)
 327                 conf->WhoWasGroupSize = 0;
 328
 329         if (conf->WhoWasMaxGroups < 0)
 330                 conf->WhoWasMaxGroups = 0;
 331
 332         if (conf->WhoWasMaxKeep < 3600)
 333         {
 334                 conf->WhoWasMaxKeep = 3600;
 335                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 336         }
 337         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 338         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 339         return true;
 340 }
 341
 342 /* Callback called before processing the first <connect> tag
 343  */
 344 bool InitConnect(ServerConfig* conf, const char* tag)
 345 {
 346         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 347         conf->Classes.clear();
 348         return true;
 349 }
 350
 351 /* Callback called to process a single <connect> tag
 352  */
 353 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 354 {
 355         ConnectClass c;
 356         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 357         const char* deny = values[1].GetString();
 358         const char* password = values[2].GetString();
 359         int timeout = values[3].GetInteger();
 360         int pingfreq = values[4].GetInteger();
 361         int flood = values[5].GetInteger();
 362         int threshold = values[6].GetInteger();
 363         int sendq = values[7].GetInteger();
 364         int recvq = values[8].GetInteger();
 365         int localmax = values[9].GetInteger();
 366         int globalmax = values[10].GetInteger();
 367
 368         if (*allow)
 369         {
 370                 c.host = allow;
 371                 c.type = CC_ALLOW;
 372                 c.pass = password;
 373                 c.registration_timeout = timeout;
 374                 c.pingtime = pingfreq;
 375                 c.flood = flood;
 376                 c.threshold = threshold;
 377                 c.sendqmax = sendq;
 378                 c.recvqmax = recvq;
 379                 c.maxlocal = localmax;
 380                 c.maxglobal = globalmax;
 381
 382
 383                 if (c.maxlocal == 0)
 384                         c.maxlocal = 3;
 385                 if (c.maxglobal == 0)
 386                         c.maxglobal = 3;
 387                 if (c.threshold == 0)
 388                 {
 389                         c.threshold = 1;
 390                         c.flood = 999;
 391                         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());
 392                 }
 393                 if (c.sendqmax == 0)
 394                         c.sendqmax = 262114;
 395                 if (c.recvqmax == 0)
 396                         c.recvqmax = 4096;
 397                 if (c.registration_timeout == 0)
 398                         c.registration_timeout = 90;
 399                 if (c.pingtime == 0)
 400                         c.pingtime = 120;
 401                 conf->Classes.push_back(c);
 402         }
 403         else
 404         {
 405                 c.host = deny;
 406                 c.type = CC_DENY;
 407                 conf->Classes.push_back(c);
 408                 conf->GetInstance()->Log(DEBUG,"Read connect class type DENY, host=%s",deny);
 409         }
 410
 411         return true;
 412 }
 413
 414 /* Callback called when there are no more <connect> tags
 415  */
 416 bool DoneConnect(ServerConfig* conf, const char* tag)
 417 {
 418         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 419         return true;
 420 }
 421
 422 /* Callback called before processing the first <uline> tag
 423  */
 424 bool InitULine(ServerConfig* conf, const char* tag)
 425 {
 426         conf->ulines.clear();
 427         return true;
 428 }
 429
 430 /* Callback called to process a single <uline> tag
 431  */
 432 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 433 {
 434         const char* server = values[0].GetString();
 435         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 436         conf->ulines.push_back(server);
 437         return true;
 438 }
 439
 440 /* Callback called when there are no more <uline> tags
 441  */
 442 bool DoneULine(ServerConfig* conf, const char* tag)
 443 {
 444         return true;
 445 }
 446
 447 /* Callback called before processing the first <module> tag
 448  */
 449 bool InitModule(ServerConfig* conf, const char* tag)
 450 {
 451         old_module_names.clear();
 452         new_module_names.clear();
 453         added_modules.clear();
 454         removed_modules.clear();
 455         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 456         {
 457                 old_module_names.push_back(*t);
 458         }
 459         return true;
 460 }
 461
 462 /* Callback called to process a single <module> tag
 463  */
 464 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 465 {
 466         const char* modname = values[0].GetString();
 467         new_module_names.push_back(modname);
 468         return true;
 469 }
 470
 471 /* Callback called when there are no more <module> tags
 472  */
 473 bool DoneModule(ServerConfig* conf, const char* tag)
 474 {
 475         // now create a list of new modules that are due to be loaded
 476         // and a seperate list of modules which are due to be unloaded
 477         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 478         {
 479                 bool added = true;
 480
 481                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 482                 {
 483                         if (*old == *_new)
 484                                 added = false;
 485                 }
 486
 487                 if (added)
 488                         added_modules.push_back(*_new);
 489         }
 490
 491         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 492         {
 493                 bool removed = true;
 494                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 495                 {
 496                         if (*newm == *oldm)
 497                                 removed = false;
 498                 }
 499
 500                 if (removed)
 501                         removed_modules.push_back(*oldm);
 502         }
 503         return true;
 504 }
 505
 506 /* Callback called before processing the first <banlist> tag
 507  */
 508 bool InitMaxBans(ServerConfig* conf, const char* tag)
 509 {
 510         conf->maxbans.clear();
 511         return true;
 512 }
 513
 514 /* Callback called to process a single <banlist> tag
 515  */
 516 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 517 {
 518         const char* channel = values[0].GetString();
 519         int limit = values[1].GetInteger();
 520         conf->maxbans[channel] = limit;
 521         return true;
 522 }
 523
 524 /* Callback called when there are no more <banlist> tags.
 525  */
 526 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 527 {
 528         return true;
 529 }
 530
 531 void ServerConfig::Read(bool bail, userrec* user)
 532 {
 533         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 534         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 535         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 536         std::ostringstream errstr;      /* String stream containing the error output */
 537
 538         /* These tags MUST occur and must ONLY occur once in the config file */
 539         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 540
 541         /* These tags can occur ONCE or not at all */
 542         InitialConfig Values[] = {
 543                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 544                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 545                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 546                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 547                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 548                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 549                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 550                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 551                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 552                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 553                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 554                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 555                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 556                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 557                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 558                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 559                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 560                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 561                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 562                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 563                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 564                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 565                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 566                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 567                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 568                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 569                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 570                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 571                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 572                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 573                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 574                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 575                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 576                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 577                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 578                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, ValidateDie},
 579                 {NULL}
 580         };
 581
 582         /* These tags can occur multiple times, and therefore they have special code to read them
 583          * which is different to the code for reading the singular tags listed above.
 584          */
 585         MultiConfig MultiValues[] = {
 586
 587                 {"connect",
 588                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 589                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 590                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 591                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 592                                 InitConnect, DoConnect, DoneConnect},
 593
 594                 {"uline",
 595                                 {"server",      NULL},
 596                                 {DT_CHARPTR},
 597                                 InitULine,DoULine,DoneULine},
 598
 599                 {"banlist",
 600                                 {"chan",        "limit",        NULL},
 601                                 {DT_CHARPTR,    DT_INTEGER},
 602                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 603
 604                 {"module",
 605                                 {"name",        NULL},
 606                                 {DT_CHARPTR},
 607                                 InitModule, DoModule, DoneModule},
 608
 609                 {"badip",
 610                                 {"reason",      "ipmask",       NULL},
 611                                 {DT_CHARPTR,    DT_CHARPTR},
 612                                 InitXLine, DoZLine, DoneXLine},
 613
 614                 {"badnick",
 615                                 {"reason",      "nick",         NULL},
 616                                 {DT_CHARPTR,    DT_CHARPTR},
 617                                 InitXLine, DoQLine, DoneXLine},
 618
 619                 {"badhost",
 620                                 {"reason",      "host",         NULL},
 621                                 {DT_CHARPTR,    DT_CHARPTR},
 622                                 InitXLine, DoKLine, DoneXLine},
 623
 624                 {"exception",
 625                                 {"reason",      "host",         NULL},
 626                                 {DT_CHARPTR,    DT_CHARPTR},
 627                                 InitXLine, DoELine, DoneXLine},
 628
 629                 {"type",
 630                                 {"name",        "classes",      NULL},
 631                                 {DT_CHARPTR,    DT_CHARPTR},
 632                                 InitTypes, DoType, DoneClassesAndTypes},
 633
 634                 {"class",
 635                                 {"name",        "commands",     NULL},
 636                                 {DT_CHARPTR,    DT_CHARPTR},
 637                                 InitClasses, DoClass, DoneClassesAndTypes},
 638
 639                 {NULL}
 640         };
 641
 642         include_stack.clear();
 643
 644         /* Load and parse the config file, if there are any errors then explode */
 645
 646         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 647         ConfigDataHash newconfig;
 648
 649         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 650         {
 651                 /* If we succeeded, set the ircd config to the new one */
 652                 this->config_data = newconfig;
 653         }
 654         else
 655         {
 656                 ServerInstance->Log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str());
 657
 658                 if (bail)
 659                 {
 660                         /* Unneeded because of the ServerInstance->Log() aboive? */
 661                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 662                         InspIRCd::Exit(ERROR);
 663                 }
 664                 else
 665                 {
 666                         std::string errors = errstr.str();
 667                         std::string::size_type start;
 668                         unsigned int prefixlen;
 669
 670                         start = 0;
 671                         /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 672                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 673
 674                         if (user)
 675                         {
 676                                 user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 677
 678                                 while(start < errors.length())
 679                                 {
 680                                         user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 681                                         start += 510 - prefixlen;
 682                                 }
 683                         }
 684                         else
 685                         {
 686                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 687
 688                                 while(start < errors.length())
 689                                 {
 690                                         ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 691                                         start += 360;
 692                                 }
 693                         }
 694
 695                         return;
 696                 }
 697         }
 698
 699         /* Check we dont have more than one of singular tags, or any of them missing
 700          */
 701         for (int Index = 0; Once[Index]; Index++)
 702                 if (!CheckOnce(Once[Index], bail, user))
 703                         return;
 704
 705         /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 706          */
 707         for (int Index = 0; Values[Index].tag; Index++)
 708         {
 709                 char item[MAXBUF];
 710                 ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF);
 711                 ValueItem vi(item);
 712
 713                 Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 714
 715                 switch (Values[Index].datatype)
 716                 {
 717                         case DT_CHARPTR:
 718                                 {
 719                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 720                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 721                                 }
 722                         break;
 723                         case DT_INTEGER:
 724                                 {
 725                                         int val = vi.GetInteger();
 726                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 727                                         vci->Set(&val, sizeof(int));
 728                                 }
 729                         break;
 730                         case DT_BOOLEAN:
 731                                 {
 732                                         bool val = vi.GetBool();
 733                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 734                                         vcb->Set(&val, sizeof(bool));
 735                                 }
 736                         break;
 737                         default:
 738                                 /* You don't want to know what happens if someones bad code sends us here. */
 739                         break;
 740                 }
 741
 742                 /* We're done with this now */
 743                 delete Values[Index].val;
 744         }
 745
 746         /* Read the multiple-tag items (class tags, connect tags, etc)
 747          * and call the callbacks associated with them. We have three
 748          * callbacks for these, a 'start', 'item' and 'end' callback.
 749          */
 750         for (int Index = 0; MultiValues[Index].tag; Index++)
 751         {
 752                 MultiValues[Index].init_function(this, MultiValues[Index].tag);
 753
 754                 int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 755
 756                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 757                 {
 758                         ValueList vl;
 759                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 760                         {
 761                                 switch (MultiValues[Index].datatype[valuenum])
 762                                 {
 763                                         case DT_CHARPTR:
 764                                                 {
 765                                                         char item[MAXBUF];
 766                                                         ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF);
 767                                                         vl.push_back(ValueItem(item));
 768                                                 }
 769                                         break;
 770                                         case DT_INTEGER:
 771                                                 {
 772                                                         int item;
 773                                                         ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
 774                                                         vl.push_back(ValueItem(item));
 775                                                 }
 776                                         break;
 777                                         case DT_BOOLEAN:
 778                                                 {
 779                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 780                                                         vl.push_back(ValueItem(item));
 781                                                 }
 782                                         break;
 783                                         default:
 784                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
 785                                         break;
 786                                 }
 787                         }
 788
 789                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 790                 }
 791
 792                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 793         }
 794
 795         // write once here, to try it out and make sure its ok
 796         ServerInstance->WritePID(this->PID);
 797
 798         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 799
 800         /* If we're rehashing, let's load any new modules, and unload old ones
 801          */
 802         if (!bail)
 803         {
 804                 int found_ports = 0;
 805                 FailedPortList pl;
 806                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 807
 808                 if (pl.size())
 809                 {
 810                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 811                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 812                         int j = 1;
 813                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 814                         {
 815                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 816                         }
 817                 }
 818
 819                 if (!removed_modules.empty())
 820                 {
 821                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 822                         {
 823                                 if (ServerInstance->UnloadModule(removing->c_str()))
 824                                 {
 825                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 826
 827                                         if (user)
 828                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 829
 830                                         rem++;
 831                                 }
 832                                 else
 833                                 {
 834                                         if (user)
 835                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 836                                 }
 837                         }
 838                 }
 839
 840                 if (!added_modules.empty())
 841                 {
 842                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 843                         {
 844                                 if (ServerInstance->LoadModule(adding->c_str()))
 845                                 {
 846                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 847
 848                                         if (user)
 849                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 850
 851                                         add++;
 852                                 }
 853                                 else
 854                                 {
 855                                         if (user)
 856                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 857                                 }
 858                         }
 859                 }
 860
 861                 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());
 862         }
 863 }
 864
 865 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 866 {
 867         std::ifstream conf(filename);
 868         std::string line;
 869         char ch;
 870         long linenumber;
 871         bool in_tag;
 872         bool in_quote;
 873         bool in_comment;
 874
 875         linenumber = 1;
 876         in_tag = false;
 877         in_quote = false;
 878         in_comment = false;
 879
 880         /* Check if the file open failed first */
 881         if (!conf)
 882         {
 883                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 884                 return false;
 885         }
 886
 887         /* Fix the chmod of the file to restrict it to the current user and group */
 888         chmod(filename,0600);
 889
 890         for (unsigned int t = 0; t < include_stack.size(); t++)
 891         {
 892                 if (std::string(filename) == include_stack[t])
 893                 {
 894                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 895                         return false;
 896                 }
 897         }
 898
 899         /* It's not already included, add it to the list of files we've loaded */
 900         include_stack.push_back(filename);
 901
 902         /* Start reading characters... */
 903         while(conf.get(ch))
 904         {
 905                 /*
 906                  * Here we try and get individual tags on separate lines,
 907                  * this would be so easy if we just made people format
 908                  * their config files like that, but they don't so...
 909                  * We check for a '<' and then know the line is over when
 910                  * we get a '>' not inside quotes. If we find two '<' and
 911                  * no '>' then die with an error.
 912                  */
 913
 914                 if((ch == '#') && !in_quote)
 915                         in_comment = true;
 916
 917                 if(((ch == '\n') || (ch == '\r')) && in_quote)
 918                 {
 919                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 920                         return false;
 921                 }
 922
 923                 switch(ch)
 924                 {
 925                         case '\n':
 926                                 linenumber++;
 927                         case '\r':
 928                                 in_comment = false;
 929                         case '\0':
 930                                 continue;
 931                         case '\t':
 932                                 ch = ' ';
 933                 }
 934
 935                 if(in_comment)
 936                         continue;
 937
 938                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 939                  * Note that this WILL NOT usually allow insertion of newlines,
 940                  * because a newline is two characters long. Use it primarily to
 941                  * insert the " symbol.
 942                  *
 943                  * Note that this also involves a further check when parsing the line,
 944                  * which can be found below.
 945                  */
 946                 if ((ch == '\\') && (in_quote) && (in_tag))
 947                 {
 948                         line += ch;
 949                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 950                         char real_character;
 951                         if (conf.get(real_character))
 952                         {
 953                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
 954                                 if (real_character == 'n')
 955                                         real_character = '\n';
 956                                 line += real_character;
 957                                 continue;
 958                         }
 959                         else
 960                         {
 961                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
 962                                 return false;
 963                         }
 964                 }
 965
 966                 line += ch;
 967
 968                 if(ch == '<')
 969                 {
 970                         if(in_tag)
 971                         {
 972                                 if(!in_quote)
 973                                 {
 974                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
 975                                         return false;
 976                                 }
 977                         }
 978                         else
 979                         {
 980                                 if(in_quote)
 981                                 {
 982                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
 983                                         return false;
 984                                 }
 985                                 else
 986                                 {
 987                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
 988                                         in_tag = true;
 989                                 }
 990                         }
 991                 }
 992                 else if(ch == '"')
 993                 {
 994                         if(in_tag)
 995                         {
 996                                 if(in_quote)
 997                                 {
 998                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
 999                                         in_quote = false;
1000                                 }
1001                                 else
1002                                 {
1003                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1004                                         in_quote = true;
1005                                 }
1006                         }
1007                         else
1008                         {
1009                                 if(in_quote)
1010                                 {
1011                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1012                                 }
1013                                 else
1014                                 {
1015                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1016                                 }
1017                         }
1018                 }
1019                 else if(ch == '>')
1020                 {
1021                         if(!in_quote)
1022                         {
1023                                 if(in_tag)
1024                                 {
1025                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1026                                         in_tag = false;
1027
1028                                         /*
1029                                          * If this finds an <include> then ParseLine can simply call
1030                                          * LoadConf() and load the included config into the same ConfigDataHash
1031                                          */
1032
1033                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1034                                                 return false;
1035
1036                                         line.clear();
1037                                 }
1038                                 else
1039                                 {
1040                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1041                                         return false;
1042                                 }
1043                         }
1044                 }
1045         }
1046
1047         return true;
1048 }
1049
1050 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1051 {
1052         return this->LoadConf(target, filename.c_str(), errorstream);
1053 }
1054
1055 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1056 {
1057         std::string tagname;
1058         std::string current_key;
1059         std::string current_value;
1060         KeyValList results;
1061         bool got_name;
1062         bool got_key;
1063         bool in_quote;
1064
1065         got_name = got_key = in_quote = false;
1066
1067         // std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1068
1069         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1070         {
1071                 if(!got_name)
1072                 {
1073                         /* We don't know the tag name yet. */
1074
1075                         if(*c != ' ')
1076                         {
1077                                 if(*c != '<')
1078                                 {
1079                                         tagname += *c;
1080                                 }
1081                         }
1082                         else
1083                         {
1084                                 /* We got to a space, we should have the tagname now. */
1085                                 if(tagname.length())
1086                                 {
1087                                         got_name = true;
1088                                 }
1089                         }
1090                 }
1091                 else
1092                 {
1093                         /* We have the tag name */
1094                         if (!got_key)
1095                         {
1096                                 /* We're still reading the key name */
1097                                 if (*c != '=')
1098                                 {
1099                                         if (*c != ' ')
1100                                         {
1101                                                 current_key += *c;
1102                                         }
1103                                 }
1104                                 else
1105                                 {
1106                                         /* We got an '=', end of the key name. */
1107                                         got_key = true;
1108                                 }
1109                         }
1110                         else
1111                         {
1112                                 /* We have the key name, now we're looking for quotes and the value */
1113
1114                                 /* Correctly handle escaped characters here.
1115                                  * See the XXX'ed section above.
1116                                  */
1117                                 if ((*c == '\\') && (in_quote))
1118                                 {
1119                                         c++;
1120                                         if (*c == 'n')
1121                                                 current_value += '\n';
1122                                         else
1123                                                 current_value += *c;
1124                                         continue;
1125                                 }
1126                                 if (*c == '"')
1127                                 {
1128                                         if (!in_quote)
1129                                         {
1130                                                 /* We're not already in a quote. */
1131                                                 in_quote = true;
1132                                         }
1133                                         else
1134                                         {
1135                                                 /* Leaving quotes, we have the value */
1136                                                 results.push_back(KeyVal(current_key, current_value));
1137
1138                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1139
1140                                                 in_quote = false;
1141                                                 got_key = false;
1142
1143                                                 if((tagname == "include") && (current_key == "file"))
1144                                                 {
1145                                                         if(!this->DoInclude(target, current_value, errorstream))
1146                                                                 return false;
1147                                                 }
1148
1149                                                 current_key.clear();
1150                                                 current_value.clear();
1151                                         }
1152                                 }
1153                                 else
1154                                 {
1155                                         if(in_quote)
1156                                         {
1157                                                 current_value += *c;
1158                                         }
1159                                 }
1160                         }
1161                 }
1162         }
1163
1164         /* Finished parsing the tag, add it to the config hash */
1165         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1166
1167         return true;
1168 }
1169
1170 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1171 {
1172         std::string confpath;
1173         std::string newfile;
1174         std::string::size_type pos;
1175
1176         confpath = CONFIG_FILE;
1177         newfile = file;
1178
1179         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1180         {
1181                 if (*c == '\\')
1182                 {
1183                         *c = '/';
1184                 }
1185         }
1186
1187         if (file[0] != '/')
1188         {
1189                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1190                 {
1191                         /* Leaves us with just the path */
1192                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1193                 }
1194                 else
1195                 {
1196                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1197                         return false;
1198                 }
1199         }
1200
1201         return LoadConf(target, newfile, errorstream);
1202 }
1203
1204 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length)
1205 {
1206         std::string value;
1207         bool r = ConfValue(target, std::string(tag), std::string(var), index, value);
1208         strlcpy(result, value.c_str(), length);
1209         return r;
1210 }
1211
1212 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result)
1213 {
1214         ConfigDataHash::size_type pos = index;
1215         if((pos >= 0) && (pos < target.count(tag)))
1216         {
1217                 ConfigDataHash::const_iterator iter = target.find(tag);
1218
1219                 for(int i = 0; i < index; i++)
1220                         iter++;
1221
1222                 for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++)
1223                 {
1224                         if(j->first == var)
1225                         {
1226                                 result = j->second;
1227                                 return true;
1228                         }
1229                 }
1230         }
1231         else if(pos == 0)
1232         {
1233                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1234         }
1235         else
1236         {
1237                 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());
1238         }
1239
1240         return false;
1241 }
1242
1243 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1244 {
1245         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1246 }
1247
1248 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1249 {
1250         std::string value;
1251         std::istringstream stream;
1252         bool r = ConfValue(target, tag, var, index, value);
1253         stream.str(value);
1254         if(!(stream >> result))
1255                 return false;
1256         return r;
1257 }
1258
1259 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1260 {
1261         return ConfValueBool(target, std::string(tag), std::string(var), index);
1262 }
1263
1264 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1265 {
1266         std::string result;
1267         if(!ConfValue(target, tag, var, index, result))
1268                 return false;
1269
1270         return ((result == "yes") || (result == "true") || (result == "1"));
1271 }
1272
1273 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1274 {
1275         return target.count(tag);
1276 }
1277
1278 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1279 {
1280         return target.count(tag);
1281 }
1282
1283 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1284 {
1285         return ConfVarEnum(target, std::string(tag), index);
1286 }
1287
1288 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1289 {
1290         ConfigDataHash::size_type pos = index;
1291
1292         if((pos >= 0) && (pos < target.count(tag)))
1293         {
1294                 ConfigDataHash::const_iterator iter = target.find(tag);
1295
1296                 for(int i = 0; i < index; i++)
1297                         iter++;
1298
1299                 return iter->second.size();
1300         }
1301         else if(pos == 0)
1302         {
1303                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1304         }
1305         else
1306         {
1307                 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());
1308         }
1309
1310         return 0;
1311 }
1312
1313 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1314  */
1315 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1316 {
1317         FILE* file = NULL;
1318         char linebuf[MAXBUF];
1319
1320         F.clear();
1321
1322         if (*fname != '/')
1323         {
1324                 std::string::size_type pos;
1325                 std::string confpath = CONFIG_FILE;
1326                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1327                 {
1328                         /* Leaves us with just the path */
1329                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1330                         file =  fopen(newfile.c_str(), "r");
1331
1332                 }
1333         }
1334         else
1335                 file =  fopen(fname, "r");
1336
1337         if (file)
1338         {
1339                 while (!feof(file))
1340                 {
1341                         if (fgets(linebuf, sizeof(linebuf), file))
1342                                 linebuf[strlen(linebuf)-1] = 0;
1343                         else
1344                                 *linebuf = 0;
1345
1346                         if (!feof(file))
1347                         {
1348                                 F.push_back(*linebuf ? linebuf : " ");
1349                         }
1350                 }
1351
1352                 fclose(file);
1353         }
1354         else
1355                 return false;
1356
1357         return true;
1358 }
1359
1360 bool ServerConfig::FileExists(const char* file)
1361 {
1362         FILE *input;
1363         if ((input = fopen (file, "r")) == NULL)
1364         {
1365                 return false;
1366         }
1367         else
1368         {
1369                 fclose(input);
1370                 return true;
1371         }
1372 }
1373
1374 char* ServerConfig::CleanFilename(char* name)
1375 {
1376         char* p = name + strlen(name);
1377         while ((p != name) && (*p != '/')) p--;
1378         return (p != name ? ++p : p);
1379 }
1380
1381
1382 bool ServerConfig::DirValid(const char* dirandfile)
1383 {
1384         char work[MAXBUF];
1385         char buffer[MAXBUF];
1386         char otherdir[MAXBUF];
1387         int p;
1388
1389         strlcpy(work, dirandfile, MAXBUF);
1390         p = strlen(work);
1391
1392         // we just want the dir
1393         while (*work)
1394         {
1395                 if (work[p] == '/')
1396                 {
1397                         work[p] = '\0';
1398                         break;
1399                 }
1400
1401                 work[p--] = '\0';
1402         }
1403
1404         // Get the current working directory
1405         if (getcwd(buffer, MAXBUF ) == NULL )
1406                 return false;
1407
1408         if (chdir(work) == -1)
1409                 return false;
1410
1411         if (getcwd(otherdir, MAXBUF ) == NULL )
1412                 return false;
1413
1414         if (chdir(buffer) == -1)
1415                 return false;
1416
1417         size_t t = strlen(work);
1418
1419         if (strlen(otherdir) >= t)
1420         {
1421                 otherdir[t] = '\0';
1422
1423                 if (!strcmp(otherdir,work))
1424                 {
1425                         return true;
1426                 }
1427
1428                 return false;
1429         }
1430         else
1431         {
1432                 return false;
1433         }
1434 }
1435
1436 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1437 {
1438         char work[MAXBUF];
1439         char buffer[MAXBUF];
1440         char otherdir[MAXBUF];
1441         int p;
1442
1443         strlcpy(work,argv[0],MAXBUF);
1444         p = strlen(work);
1445
1446         // we just want the dir
1447         while (*work)
1448         {
1449                 if (work[p] == '/')
1450                 {
1451                         work[p] = '\0';
1452                         break;
1453                 }
1454
1455                 work[p--] = '\0';
1456         }
1457
1458         // Get the current working directory
1459         if (getcwd(buffer, MAXBUF) == NULL)
1460                 return "";
1461
1462         if (chdir(work) == -1)
1463                 return "";
1464
1465         if (getcwd(otherdir, MAXBUF) == NULL)
1466                 return "";
1467
1468         if (chdir(buffer) == -1)
1469                 return "";
1470
1471         return otherdir;
1472 }
1473
1474 InspIRCd* ServerConfig::GetInstance()
1475 {
1476         return ServerInstance;
1477 }
1478
1479
1480 ValueItem::ValueItem(int value)
1481 {
1482         std::stringstream n;
1483         n << value;
1484         v = n.str();
1485 }
1486
1487 ValueItem::ValueItem(bool value)
1488 {
1489         std::stringstream n;
1490         n << value;
1491         v = n.str();
1492 }
1493
1494 ValueItem::ValueItem(char* value)
1495 {
1496         v = value;
1497 }
1498
1499 void ValueItem::Set(char* value)
1500 {
1501         v = value;
1502 }
1503
1504 void ValueItem::Set(const char* value)
1505 {
1506         v = value;
1507 }
1508
1509 void ValueItem::Set(int value)
1510 {
1511         std::stringstream n;
1512         n << value;
1513         v = n.str();
1514 }
1515
1516 int ValueItem::GetInteger()
1517 {
1518         return atoi(v.c_str());
1519 }
1520
1521 char* ValueItem::GetString()
1522 {
1523         return (char*)v.c_str();
1524 }
1525
1526 bool ValueItem::GetBool()
1527 {
1528         return (GetInteger() || v == "yes" || v == "true");
1529 }
1530