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