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                 {NULL}
 568         };
 569
 570         /* These tags can occur multiple times, and therefore they have special code to read them
 571          * which is different to the code for reading the singular tags listed above.
 572          */
 573         MultiConfig MultiValues[] = {
 574
 575                 {"connect",
 576                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 577                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 578                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 579                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 580                                 InitConnect, DoConnect, DoneConnect},
 581
 582                 {"uline",
 583                                 {"server",      NULL},
 584                                 {DT_CHARPTR},
 585                                 InitULine,DoULine,DoneULine},
 586
 587                 {"banlist",
 588                                 {"chan",        "limit",        NULL},
 589                                 {DT_CHARPTR,    DT_INTEGER},
 590                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 591
 592                 {"module",
 593                                 {"name",        NULL},
 594                                 {DT_CHARPTR},
 595                                 InitModule, DoModule, DoneModule},
 596
 597                 {"badip",
 598                                 {"reason",      "ipmask",       NULL},
 599                                 {DT_CHARPTR,    DT_CHARPTR},
 600                                 InitXLine, DoZLine, DoneXLine},
 601
 602                 {"badnick",
 603                                 {"reason",      "nick",         NULL},
 604                                 {DT_CHARPTR,    DT_CHARPTR},
 605                                 InitXLine, DoQLine, DoneXLine},
 606
 607                 {"badhost",
 608                                 {"reason",      "host",         NULL},
 609                                 {DT_CHARPTR,    DT_CHARPTR},
 610                                 InitXLine, DoKLine, DoneXLine},
 611
 612                 {"exception",
 613                                 {"reason",      "host",         NULL},
 614                                 {DT_CHARPTR,    DT_CHARPTR},
 615                                 InitXLine, DoELine, DoneXLine},
 616
 617                 {"type",
 618                                 {"name",        "classes",      NULL},
 619                                 {DT_CHARPTR,    DT_CHARPTR},
 620                                 InitTypes, DoType, DoneClassesAndTypes},
 621
 622                 {"class",
 623                                 {"name",        "commands",     NULL},
 624                                 {DT_CHARPTR,    DT_CHARPTR},
 625                                 InitClasses, DoClass, DoneClassesAndTypes},
 626
 627                 {NULL}
 628         };
 629
 630         include_stack.clear();
 631
 632         /* Load and parse the config file, if there are any errors then explode */
 633
 634         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 635         ConfigDataHash newconfig;
 636
 637         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 638         {
 639                 /* If we succeeded, set the ircd config to the new one */
 640                 this->config_data = newconfig;
 641         }
 642         else
 643         {
 644                 ServerInstance->Log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str());
 645
 646                 if (bail)
 647                 {
 648                         /* Unneeded because of the ServerInstance->Log() aboive? */
 649                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 650                         InspIRCd::Exit(ERROR);
 651                 }
 652                 else
 653                 {
 654                         std::string errors = errstr.str();
 655                         std::string::size_type start;
 656                         unsigned int prefixlen;
 657
 658                         start = 0;
 659                         /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 660                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 661
 662                         if (user)
 663                         {
 664                                 user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 665
 666                                 while(start < errors.length())
 667                                 {
 668                                         user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 669                                         start += 510 - prefixlen;
 670                                 }
 671                         }
 672                         else
 673                         {
 674                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 675
 676                                 while(start < errors.length())
 677                                 {
 678                                         ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 679                                         start += 360;
 680                                 }
 681                         }
 682
 683                         return;
 684                 }
 685         }
 686
 687         /* Check we dont have more than one of singular tags, or any of them missing
 688          */
 689         for (int Index = 0; Once[Index]; Index++)
 690                 if (!CheckOnce(Once[Index], bail, user))
 691                         return;
 692
 693         /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 694          */
 695         for (int Index = 0; Values[Index].tag; Index++)
 696         {
 697                 char item[MAXBUF];
 698                 ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF);
 699                 ValueItem vi(item);
 700
 701                 Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 702
 703                 switch (Values[Index].datatype)
 704                 {
 705                         case DT_CHARPTR:
 706                                 {
 707                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 708                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 709                                 }
 710                         break;
 711                         case DT_INTEGER:
 712                                 {
 713                                         int val = vi.GetInteger();
 714                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 715                                         vci->Set(&val, sizeof(int));
 716                                 }
 717                         break;
 718                         case DT_BOOLEAN:
 719                                 {
 720                                         bool val = vi.GetBool();
 721                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 722                                         vcb->Set(&val, sizeof(bool));
 723                                 }
 724                         break;
 725                         default:
 726                                 /* You don't want to know what happens if someones bad code sends us here. */
 727                         break;
 728                 }
 729
 730                 /* We're done with this now */
 731                 delete Values[Index].val;
 732         }
 733
 734         /* Read the multiple-tag items (class tags, connect tags, etc)
 735          * and call the callbacks associated with them. We have three
 736          * callbacks for these, a 'start', 'item' and 'end' callback.
 737          */
 738         for (int Index = 0; MultiValues[Index].tag; Index++)
 739         {
 740                 MultiValues[Index].init_function(this, MultiValues[Index].tag);
 741
 742                 int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 743
 744                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 745                 {
 746                         ValueList vl;
 747                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 748                         {
 749                                 switch (MultiValues[Index].datatype[valuenum])
 750                                 {
 751                                         case DT_CHARPTR:
 752                                                 {
 753                                                         char item[MAXBUF];
 754                                                         ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF);
 755                                                         vl.push_back(ValueItem(item));
 756                                                 }
 757                                         break;
 758                                         case DT_INTEGER:
 759                                                 {
 760                                                         int item;
 761                                                         ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
 762                                                         vl.push_back(ValueItem(item));
 763                                                 }
 764                                         break;
 765                                         case DT_BOOLEAN:
 766                                                 {
 767                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 768                                                         vl.push_back(ValueItem(item));
 769                                                 }
 770                                         break;
 771                                         default:
 772                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
 773                                         break;
 774                                 }
 775                         }
 776
 777                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 778                 }
 779
 780                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 781         }
 782
 783         // write once here, to try it out and make sure its ok
 784         ServerInstance->WritePID(this->PID);
 785
 786         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 787
 788         /* If we're rehashing, let's load any new modules, and unload old ones
 789          */
 790         if (!bail)
 791         {
 792                 int found_ports = 0;
 793                 FailedPortList pl;
 794                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 795
 796                 if (pl.size())
 797                 {
 798                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 799                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 800                         int j = 1;
 801                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 802                         {
 803                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 804                         }
 805                 }
 806
 807                 if (!removed_modules.empty())
 808                 {
 809                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 810                         {
 811                                 if (ServerInstance->UnloadModule(removing->c_str()))
 812                                 {
 813                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 814
 815                                         if (user)
 816                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 817
 818                                         rem++;
 819                                 }
 820                                 else
 821                                 {
 822                                         if (user)
 823                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 824                                 }
 825                         }
 826                 }
 827
 828                 if (!added_modules.empty())
 829                 {
 830                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 831                         {
 832                                 if (ServerInstance->LoadModule(adding->c_str()))
 833                                 {
 834                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 835
 836                                         if (user)
 837                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 838
 839                                         add++;
 840                                 }
 841                                 else
 842                                 {
 843                                         if (user)
 844                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 845                                 }
 846                         }
 847                 }
 848
 849                 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());
 850         }
 851 }
 852
 853 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 854 {
 855         std::ifstream conf(filename);
 856         std::string line;
 857         char ch;
 858         long linenumber;
 859         bool in_tag;
 860         bool in_quote;
 861         bool in_comment;
 862
 863         linenumber = 1;
 864         in_tag = false;
 865         in_quote = false;
 866         in_comment = false;
 867
 868         /* Check if the file open failed first */
 869         if (!conf)
 870         {
 871                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 872                 return false;
 873         }
 874
 875         /* Fix the chmod of the file to restrict it to the current user and group */
 876         chmod(filename,0600);
 877
 878         for (unsigned int t = 0; t < include_stack.size(); t++)
 879         {
 880                 if (std::string(filename) == include_stack[t])
 881                 {
 882                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 883                         return false;
 884                 }
 885         }
 886
 887         /* It's not already included, add it to the list of files we've loaded */
 888         include_stack.push_back(filename);
 889
 890         /* Start reading characters... */
 891         while(conf.get(ch))
 892         {
 893                 /*
 894                  * Here we try and get individual tags on separate lines,
 895                  * this would be so easy if we just made people format
 896                  * their config files like that, but they don't so...
 897                  * We check for a '<' and then know the line is over when
 898                  * we get a '>' not inside quotes. If we find two '<' and
 899                  * no '>' then die with an error.
 900                  */
 901
 902                 if((ch == '#') && !in_quote)
 903                         in_comment = true;
 904
 905                 if(((ch == '\n') || (ch == '\r')) && in_quote)
 906                 {
 907                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 908                         return false;
 909                 }
 910
 911                 switch(ch)
 912                 {
 913                         case '\n':
 914                                 linenumber++;
 915                         case '\r':
 916                                 in_comment = false;
 917                         case '\0':
 918                                 continue;
 919                         case '\t':
 920                                 ch = ' ';
 921                 }
 922
 923                 if(in_comment)
 924                         continue;
 925
 926                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 927                  * Note that this WILL NOT usually allow insertion of newlines,
 928                  * because a newline is two characters long. Use it primarily to
 929                  * insert the " symbol.
 930                  *
 931                  * Note that this also involves a further check when parsing the line,
 932                  * which can be found below.
 933                  */
 934                 if ((ch == '\\') && (in_quote) && (in_tag))
 935                 {
 936                         line += ch;
 937                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 938                         char real_character;
 939                         if (conf.get(real_character))
 940                         {
 941                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
 942                                 if (real_character == 'n')
 943                                         real_character = '\n';
 944                                 line += real_character;
 945                                 continue;
 946                         }
 947                         else
 948                         {
 949                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
 950                                 return false;
 951                         }
 952                 }
 953
 954                 line += ch;
 955
 956                 if(ch == '<')
 957                 {
 958                         if(in_tag)
 959                         {
 960                                 if(!in_quote)
 961                                 {
 962                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
 963                                         return false;
 964                                 }
 965                         }
 966                         else
 967                         {
 968                                 if(in_quote)
 969                                 {
 970                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
 971                                         return false;
 972                                 }
 973                                 else
 974                                 {
 975                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
 976                                         in_tag = true;
 977                                 }
 978                         }
 979                 }
 980                 else if(ch == '"')
 981                 {
 982                         if(in_tag)
 983                         {
 984                                 if(in_quote)
 985                                 {
 986                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
 987                                         in_quote = false;
 988                                 }
 989                                 else
 990                                 {
 991                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
 992                                         in_quote = true;
 993                                 }
 994                         }
 995                         else
 996                         {
 997                                 if(in_quote)
 998                                 {
 999                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1000                                 }
1001                                 else
1002                                 {
1003                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1004                                 }
1005                         }
1006                 }
1007                 else if(ch == '>')
1008                 {
1009                         if(!in_quote)
1010                         {
1011                                 if(in_tag)
1012                                 {
1013                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1014                                         in_tag = false;
1015
1016                                         /*
1017                                          * If this finds an <include> then ParseLine can simply call
1018                                          * LoadConf() and load the included config into the same ConfigDataHash
1019                                          */
1020
1021                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1022                                                 return false;
1023
1024                                         line.clear();
1025                                 }
1026                                 else
1027                                 {
1028                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1029                                         return false;
1030                                 }
1031                         }
1032                 }
1033         }
1034
1035         return true;
1036 }
1037
1038 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1039 {
1040         return this->LoadConf(target, filename.c_str(), errorstream);
1041 }
1042
1043 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1044 {
1045         std::string tagname;
1046         std::string current_key;
1047         std::string current_value;
1048         KeyValList results;
1049         bool got_name;
1050         bool got_key;
1051         bool in_quote;
1052
1053         got_name = got_key = in_quote = false;
1054
1055         // std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1056
1057         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1058         {
1059                 if(!got_name)
1060                 {
1061                         /* We don't know the tag name yet. */
1062
1063                         if(*c != ' ')
1064                         {
1065                                 if(*c != '<')
1066                                 {
1067                                         tagname += *c;
1068                                 }
1069                         }
1070                         else
1071                         {
1072                                 /* We got to a space, we should have the tagname now. */
1073                                 if(tagname.length())
1074                                 {
1075                                         got_name = true;
1076                                 }
1077                         }
1078                 }
1079                 else
1080                 {
1081                         /* We have the tag name */
1082                         if (!got_key)
1083                         {
1084                                 /* We're still reading the key name */
1085                                 if (*c != '=')
1086                                 {
1087                                         if (*c != ' ')
1088                                         {
1089                                                 current_key += *c;
1090                                         }
1091                                 }
1092                                 else
1093                                 {
1094                                         /* We got an '=', end of the key name. */
1095                                         got_key = true;
1096                                 }
1097                         }
1098                         else
1099                         {
1100                                 /* We have the key name, now we're looking for quotes and the value */
1101
1102                                 /* Correctly handle escaped characters here.
1103                                  * See the XXX'ed section above.
1104                                  */
1105                                 if ((*c == '\\') && (in_quote))
1106                                 {
1107                                         c++;
1108                                         if (*c == 'n')
1109                                                 current_value += '\n';
1110                                         else
1111                                                 current_value += *c;
1112                                         continue;
1113                                 }
1114                                 if (*c == '"')
1115                                 {
1116                                         if (!in_quote)
1117                                         {
1118                                                 /* We're not already in a quote. */
1119                                                 in_quote = true;
1120                                         }
1121                                         else
1122                                         {
1123                                                 /* Leaving quotes, we have the value */
1124                                                 results.push_back(KeyVal(current_key, current_value));
1125
1126                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1127
1128                                                 in_quote = false;
1129                                                 got_key = false;
1130
1131                                                 if((tagname == "include") && (current_key == "file"))
1132                                                 {
1133                                                         if(!this->DoInclude(target, current_value, errorstream))
1134                                                                 return false;
1135                                                 }
1136
1137                                                 current_key.clear();
1138                                                 current_value.clear();
1139                                         }
1140                                 }
1141                                 else
1142                                 {
1143                                         if(in_quote)
1144                                         {
1145                                                 current_value += *c;
1146                                         }
1147                                 }
1148                         }
1149                 }
1150         }
1151
1152         /* Finished parsing the tag, add it to the config hash */
1153         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1154
1155         return true;
1156 }
1157
1158 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1159 {
1160         std::string confpath;
1161         std::string newfile;
1162         std::string::size_type pos;
1163
1164         confpath = CONFIG_FILE;
1165         newfile = file;
1166
1167         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1168         {
1169                 if (*c == '\\')
1170                 {
1171                         *c = '/';
1172                 }
1173         }
1174
1175         if (file[0] != '/')
1176         {
1177                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1178                 {
1179                         /* Leaves us with just the path */
1180                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1181                 }
1182                 else
1183                 {
1184                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1185                         return false;
1186                 }
1187         }
1188
1189         return LoadConf(target, newfile, errorstream);
1190 }
1191
1192 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length)
1193 {
1194         std::string value;
1195         bool r = ConfValue(target, std::string(tag), std::string(var), index, value);
1196         strlcpy(result, value.c_str(), length);
1197         return r;
1198 }
1199
1200 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result)
1201 {
1202         ConfigDataHash::size_type pos = index;
1203         if((pos >= 0) && (pos < target.count(tag)))
1204         {
1205                 ConfigDataHash::const_iterator iter = target.find(tag);
1206
1207                 for(int i = 0; i < index; i++)
1208                         iter++;
1209
1210                 for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++)
1211                 {
1212                         if(j->first == var)
1213                         {
1214                                 result = j->second;
1215                                 return true;
1216                         }
1217                 }
1218         }
1219         else if(pos == 0)
1220         {
1221                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1222         }
1223         else
1224         {
1225                 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());
1226         }
1227
1228         return false;
1229 }
1230
1231 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1232 {
1233         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1234 }
1235
1236 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1237 {
1238         std::string value;
1239         std::istringstream stream;
1240         bool r = ConfValue(target, tag, var, index, value);
1241         stream.str(value);
1242         if(!(stream >> result))
1243                 return false;
1244         return r;
1245 }
1246
1247 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1248 {
1249         return ConfValueBool(target, std::string(tag), std::string(var), index);
1250 }
1251
1252 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1253 {
1254         std::string result;
1255         if(!ConfValue(target, tag, var, index, result))
1256                 return false;
1257
1258         return ((result == "yes") || (result == "true") || (result == "1"));
1259 }
1260
1261 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1262 {
1263         return target.count(tag);
1264 }
1265
1266 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1267 {
1268         return target.count(tag);
1269 }
1270
1271 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1272 {
1273         return ConfVarEnum(target, std::string(tag), index);
1274 }
1275
1276 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1277 {
1278         ConfigDataHash::size_type pos = index;
1279
1280         if((pos >= 0) && (pos < target.count(tag)))
1281         {
1282                 ConfigDataHash::const_iterator iter = target.find(tag);
1283
1284                 for(int i = 0; i < index; i++)
1285                         iter++;
1286
1287                 return iter->second.size();
1288         }
1289         else if(pos == 0)
1290         {
1291                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1292         }
1293         else
1294         {
1295                 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());
1296         }
1297
1298         return 0;
1299 }
1300
1301 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1302  */
1303 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1304 {
1305         FILE* file = NULL;
1306         char linebuf[MAXBUF];
1307
1308         F.clear();
1309
1310         if (*fname != '/')
1311         {
1312                 std::string::size_type pos;
1313                 std::string confpath = CONFIG_FILE;
1314                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1315                 {
1316                         /* Leaves us with just the path */
1317                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1318                         file =  fopen(newfile.c_str(), "r");
1319
1320                 }
1321         }
1322         else
1323                 file =  fopen(fname, "r");
1324
1325         if (file)
1326         {
1327                 while (!feof(file))
1328                 {
1329                         if (fgets(linebuf, sizeof(linebuf), file))
1330                                 linebuf[strlen(linebuf)-1] = 0;
1331                         else
1332                                 *linebuf = 0;
1333
1334                         if (!feof(file))
1335                         {
1336                                 F.push_back(*linebuf ? linebuf : " ");
1337                         }
1338                 }
1339
1340                 fclose(file);
1341         }
1342         else
1343                 return false;
1344
1345         return true;
1346 }
1347
1348 bool ServerConfig::FileExists(const char* file)
1349 {
1350         FILE *input;
1351         if ((input = fopen (file, "r")) == NULL)
1352         {
1353                 return false;
1354         }
1355         else
1356         {
1357                 fclose(input);
1358                 return true;
1359         }
1360 }
1361
1362 char* ServerConfig::CleanFilename(char* name)
1363 {
1364         char* p = name + strlen(name);
1365         while ((p != name) && (*p != '/')) p--;
1366         return (p != name ? ++p : p);
1367 }
1368
1369
1370 bool ServerConfig::DirValid(const char* dirandfile)
1371 {
1372         char work[MAXBUF];
1373         char buffer[MAXBUF];
1374         char otherdir[MAXBUF];
1375         int p;
1376
1377         strlcpy(work, dirandfile, MAXBUF);
1378         p = strlen(work);
1379
1380         // we just want the dir
1381         while (*work)
1382         {
1383                 if (work[p] == '/')
1384                 {
1385                         work[p] = '\0';
1386                         break;
1387                 }
1388
1389                 work[p--] = '\0';
1390         }
1391
1392         // Get the current working directory
1393         if (getcwd(buffer, MAXBUF ) == NULL )
1394                 return false;
1395
1396         if (chdir(work) == -1)
1397                 return false;
1398
1399         if (getcwd(otherdir, MAXBUF ) == NULL )
1400                 return false;
1401
1402         if (chdir(buffer) == -1)
1403                 return false;
1404
1405         size_t t = strlen(work);
1406
1407         if (strlen(otherdir) >= t)
1408         {
1409                 otherdir[t] = '\0';
1410
1411                 if (!strcmp(otherdir,work))
1412                 {
1413                         return true;
1414                 }
1415
1416                 return false;
1417         }
1418         else
1419         {
1420                 return false;
1421         }
1422 }
1423
1424 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1425 {
1426         char work[MAXBUF];
1427         char buffer[MAXBUF];
1428         char otherdir[MAXBUF];
1429         int p;
1430
1431         strlcpy(work,argv[0],MAXBUF);
1432         p = strlen(work);
1433
1434         // we just want the dir
1435         while (*work)
1436         {
1437                 if (work[p] == '/')
1438                 {
1439                         work[p] = '\0';
1440                         break;
1441                 }
1442
1443                 work[p--] = '\0';
1444         }
1445
1446         // Get the current working directory
1447         if (getcwd(buffer, MAXBUF) == NULL)
1448                 return "";
1449
1450         if (chdir(work) == -1)
1451                 return "";
1452
1453         if (getcwd(otherdir, MAXBUF) == NULL)
1454                 return "";
1455
1456         if (chdir(buffer) == -1)
1457                 return "";
1458
1459         return otherdir;
1460 }
1461
1462 InspIRCd* ServerConfig::GetInstance()
1463 {
1464         return ServerInstance;
1465 }
1466
1467
1468 ValueItem::ValueItem(int value)
1469 {
1470         std::stringstream n;
1471         n << value;
1472         v = n.str();
1473 }
1474
1475 ValueItem::ValueItem(bool value)
1476 {
1477         std::stringstream n;
1478         n << value;
1479         v = n.str();
1480 }
1481
1482 ValueItem::ValueItem(char* value)
1483 {
1484         v = value;
1485 }
1486
1487 void ValueItem::Set(char* value)
1488 {
1489         v = value;
1490 }
1491
1492 void ValueItem::Set(const char* value)
1493 {
1494         v = value;
1495 }
1496
1497 void ValueItem::Set(int value)
1498 {
1499         std::stringstream n;
1500         n << value;
1501         v = n.str();
1502 }
1503
1504 int ValueItem::GetInteger()
1505 {
1506         return atoi(v.c_str());
1507 }
1508
1509 char* ValueItem::GetString()
1510 {
1511         return (char*)v.c_str();
1512 }
1513
1514 bool ValueItem::GetBool()
1515 {
1516         return (GetInteger() || v == "yes" || v == "true");
1517 }
1518