src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                     E-mail:
   7  *              <brain@chatspike.net>
   8  *              <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *          the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "configreader.h"
  18 #include <sstream>
  19 #include <fstream>
  20 #include "inspircd.h"
  21 #include "xline.h"
  22
  23 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  24
  25 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  26 {
  27         this->ClearStack();
  28         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  29         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  30         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  31         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  32         log_file = NULL;
  33         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
  34         CycleHosts = writelog = AllowHalfop = true;
  35         dns_timeout = DieDelay = 5;
  36         MaxTargets = 20;
  37         NetBufferSize = 10240;
  38         SoftLimit = MAXCLIENTS;
  39         MaxConn = SOMAXCONN;
  40         MaxWhoResults = 100;
  41         debugging = 0;
  42         LogLevel = DEFAULT;
  43         maxbans.clear();
  44         WhoWasGroupSize = 10;
  45         WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
  46         WhoWasMaxKeep = 3600*24*3; // 3 days
  47 }
  48
  49 void ServerConfig::ClearStack()
  50 {
  51         include_stack.clear();
  52 }
  53
  54 Module* ServerConfig::GetIOHook(int port)
  55 {
  56         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  57         return (x != IOHookModule.end() ? x->second : NULL);
  58 }
  59
  60 Module* ServerConfig::GetIOHook(InspSocket* is)
  61 {
  62         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  63         return (x != SocketIOHookModule.end() ? x->second : NULL);
  64 }
  65
  66 bool ServerConfig::AddIOHook(int port, Module* iomod)
  67 {
  68         if (!GetIOHook(port))
  69         {
  70                 IOHookModule[port] = iomod;
  71                 return true;
  72         }
  73         else
  74         {
  75                 throw ModuleException("Port already hooked by another module");
  76                 return false;
  77         }
  78 }
  79
  80 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  81 {
  82         if (!GetIOHook(is))
  83         {
  84                 ServerInstance->Log(DEBUG,"Hooked inspsocket %08x", is);
  85                 SocketIOHookModule[is] = iomod;
  86                 is->IsIOHooked = true;
  87                 return true;
  88         }
  89         else
  90         {
  91                 throw ModuleException("InspSocket derived class already hooked by another module");
  92                 return false;
  93         }
  94 }
  95
  96 bool ServerConfig::DelIOHook(int port)
  97 {
  98         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  99         if (x != IOHookModule.end())
 100         {
 101                 IOHookModule.erase(x);
 102                 return true;
 103         }
 104         return false;
 105 }
 106
 107 bool ServerConfig::DelIOHook(InspSocket* is)
 108 {
 109         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 110         if (x != SocketIOHookModule.end())
 111         {
 112                 SocketIOHookModule.erase(x);
 113                 return true;
 114         }
 115         return false;
 116 }
 117
 118 void ServerConfig::Update005()
 119 {
 120         std::stringstream out(data005);
 121         std::string token;
 122         std::string line5;
 123         int token_counter = 0;
 124         isupport.clear();
 125         while (out >> token)
 126         {
 127                 line5 = line5 + token + " ";
 128                 token_counter++;
 129                 if (token_counter >= 13)
 130                 {
 131                         char buf[MAXBUF];
 132                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 133                         isupport.push_back(buf);
 134                         line5 = "";
 135                         token_counter = 0;
 136                 }
 137         }
 138         char buf[MAXBUF];
 139         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 140         isupport.push_back(buf);
 141 }
 142
 143 void ServerConfig::Send005(userrec* user)
 144 {
 145         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 146                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 147 }
 148
 149 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 150 {
 151         int count = ConfValueEnum(this->config_data, tag);
 152
 153         if (count > 1)
 154         {
 155                 if (bail)
 156                 {
 157                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 158                         InspIRCd::Exit(ERROR);
 159                 }
 160                 else
 161                 {
 162                         if (user)
 163                         {
 164                                 user->WriteServ("There were errors in your configuration:");
 165                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 166                         }
 167                         else
 168                         {
 169                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 170                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 171                         }
 172                 }
 173                 return false;
 174         }
 175         if (count < 1)
 176         {
 177                 if (bail)
 178                 {
 179                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 180                         InspIRCd::Exit(ERROR);
 181                 }
 182                 else
 183                 {
 184                         if (user)
 185                         {
 186                                 user->WriteServ("There were errors in your configuration:");
 187                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 188                         }
 189                         else
 190                         {
 191                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 192                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 193                         }
 194                 }
 195                 return false;
 196         }
 197         return true;
 198 }
 199
 200 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 201 {
 202         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 203         return true;
 204 }
 205
 206 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 207 {
 208         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 209         {
 210                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 211                 data.Set(20);
 212         }
 213         return true;
 214 }
 215
 216 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 217 {
 218         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 219         {
 220                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 221                 data.Set(MAXCLIENTS);
 222         }
 223         return true;
 224 }
 225
 226 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 227 {
 228         if (data.GetInteger() > SOMAXCONN)
 229                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 230         if (!data.GetInteger())
 231                 data.Set(SOMAXCONN);
 232         return true;
 233 }
 234
 235 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 236 {
 237         if (!data.GetInteger())
 238                 data.Set(5);
 239         return true;
 240 }
 241
 242 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 243 {
 244         std::stringstream dcmds(data);
 245         std::string thiscmd;
 246
 247         /* Enable everything first */
 248         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 249                 x->second->Disable(false);
 250
 251         /* Now disable all the ones which the user wants disabled */
 252         while (dcmds >> thiscmd)
 253         {
 254                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 255                 if (cm != ServerInstance->Parser->cmdlist.end())
 256                 {
 257                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 258                         cm->second->Disable(true);
 259                 }
 260         }
 261         return true;
 262 }
 263
 264 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 265 {
 266         if (!*(data.GetString()))
 267         {
 268                 // attempt to look up their nameserver from /etc/resolv.conf
 269                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 270                 ifstream resolv("/etc/resolv.conf");
 271                 std::string nameserver;
 272                 bool found_server = false;
 273
 274                 if (resolv.is_open())
 275                 {
 276                         while (resolv >> nameserver)
 277                         {
 278                                 if ((nameserver == "nameserver") && (!found_server))
 279                                 {
 280                                         resolv >> nameserver;
 281                                         data.Set(nameserver.c_str());
 282                                         found_server = true;
 283                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 284                                 }
 285                         }
 286
 287                         if (!found_server)
 288                         {
 289                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 290                                 data.Set("127.0.0.1");
 291                         }
 292                 }
 293                 else
 294                 {
 295                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 296                         data.Set("127.0.0.1");
 297                 }
 298         }
 299         return true;
 300 }
 301
 302 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 303 {
 304         if (!*(data.GetString()))
 305                 data.Set(MOD_PATH);
 306         return true;
 307 }
 308
 309
 310 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 311 {
 312         if (!strchr(data.GetString(),'.'))
 313         {
 314                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 315                 std::string moo = std::string(data.GetString()).append(".");
 316                 data.Set(moo.c_str());
 317         }
 318         return true;
 319 }
 320
 321 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 322 {
 323         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 324         {
 325                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 326                 data.Set(10240);
 327         }
 328         return true;
 329 }
 330
 331 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 332 {
 333         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 334         {
 335                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 336                 data.Set(128);
 337         }
 338         return true;
 339 }
 340
 341 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 342 {
 343         std::string dbg = data.GetString();
 344         conf->LogLevel = DEFAULT;
 345
 346         if (dbg == "debug")
 347                 conf->LogLevel = DEBUG;
 348         else if (dbg  == "verbose")
 349                 conf->LogLevel = VERBOSE;
 350         else if (dbg == "default")
 351                 conf->LogLevel = DEFAULT;
 352         else if (dbg == "sparse")
 353                 conf->LogLevel = SPARSE;
 354         else if (dbg == "none")
 355                 conf->LogLevel = NONE;
 356
 357         conf->debugging = (conf->LogLevel == DEBUG);
 358
 359         return true;
 360 }
 361
 362 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 363 {
 364         conf->ReadFile(conf->MOTD, data.GetString());
 365         return true;
 366 }
 367
 368 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 369 {
 370         conf->ReadFile(conf->RULES, data.GetString());
 371         return true;
 372 }
 373
 374 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 375 {
 376         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 377
 378         if (conf->WhoWasGroupSize < 0)
 379                 conf->WhoWasGroupSize = 0;
 380
 381         if (conf->WhoWasMaxGroups < 0)
 382                 conf->WhoWasMaxGroups = 0;
 383
 384         if (conf->WhoWasMaxKeep < 3600)
 385         {
 386                 conf->WhoWasMaxKeep = 3600;
 387                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 388         }
 389         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 390         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 391         return true;
 392 }
 393
 394 /* Callback called before processing the first <connect> tag
 395  */
 396 bool InitConnect(ServerConfig* conf, const char* tag)
 397 {
 398         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 399         conf->Classes.clear();
 400         return true;
 401 }
 402
 403 /* Callback called to process a single <connect> tag
 404  */
 405 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 406 {
 407         ConnectClass c;
 408         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 409         const char* deny = values[1].GetString();
 410         const char* password = values[2].GetString();
 411         int timeout = values[3].GetInteger();
 412         int pingfreq = values[4].GetInteger();
 413         int flood = values[5].GetInteger();
 414         int threshold = values[6].GetInteger();
 415         int sendq = values[7].GetInteger();
 416         int recvq = values[8].GetInteger();
 417         int localmax = values[9].GetInteger();
 418         int globalmax = values[10].GetInteger();
 419
 420         if (*allow)
 421         {
 422                 c.host = allow;
 423                 c.type = CC_ALLOW;
 424                 c.pass = password;
 425                 c.registration_timeout = timeout;
 426                 c.pingtime = pingfreq;
 427                 c.flood = flood;
 428                 c.threshold = threshold;
 429                 c.sendqmax = sendq;
 430                 c.recvqmax = recvq;
 431                 c.maxlocal = localmax;
 432                 c.maxglobal = globalmax;
 433
 434
 435                 if (c.maxlocal == 0)
 436                         c.maxlocal = 3;
 437                 if (c.maxglobal == 0)
 438                         c.maxglobal = 3;
 439                 if (c.threshold == 0)
 440                 {
 441                         c.threshold = 1;
 442                         c.flood = 999;
 443                         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());
 444                 }
 445                 if (c.sendqmax == 0)
 446                         c.sendqmax = 262114;
 447                 if (c.recvqmax == 0)
 448                         c.recvqmax = 4096;
 449                 if (c.registration_timeout == 0)
 450                         c.registration_timeout = 90;
 451                 if (c.pingtime == 0)
 452                         c.pingtime = 120;
 453                 conf->Classes.push_back(c);
 454         }
 455         else
 456         {
 457                 c.host = deny;
 458                 c.type = CC_DENY;
 459                 conf->Classes.push_back(c);
 460                 conf->GetInstance()->Log(DEBUG,"Read connect class type DENY, host=%s",deny);
 461         }
 462
 463         return true;
 464 }
 465
 466 /* Callback called when there are no more <connect> tags
 467  */
 468 bool DoneConnect(ServerConfig* conf, const char* tag)
 469 {
 470         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 471         return true;
 472 }
 473
 474 /* Callback called before processing the first <uline> tag
 475  */
 476 bool InitULine(ServerConfig* conf, const char* tag)
 477 {
 478         conf->ulines.clear();
 479         return true;
 480 }
 481
 482 /* Callback called to process a single <uline> tag
 483  */
 484 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 485 {
 486         const char* server = values[0].GetString();
 487         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 488         conf->ulines.push_back(server);
 489         return true;
 490 }
 491
 492 /* Callback called when there are no more <uline> tags
 493  */
 494 bool DoneULine(ServerConfig* conf, const char* tag)
 495 {
 496         return true;
 497 }
 498
 499 /* Callback called before processing the first <module> tag
 500  */
 501 bool InitModule(ServerConfig* conf, const char* tag)
 502 {
 503         old_module_names.clear();
 504         new_module_names.clear();
 505         added_modules.clear();
 506         removed_modules.clear();
 507         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 508         {
 509                 old_module_names.push_back(*t);
 510         }
 511         return true;
 512 }
 513
 514 /* Callback called to process a single <module> tag
 515  */
 516 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 517 {
 518         const char* modname = values[0].GetString();
 519         new_module_names.push_back(modname);
 520         return true;
 521 }
 522
 523 /* Callback called when there are no more <module> tags
 524  */
 525 bool DoneModule(ServerConfig* conf, const char* tag)
 526 {
 527         // now create a list of new modules that are due to be loaded
 528         // and a seperate list of modules which are due to be unloaded
 529         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 530         {
 531                 bool added = true;
 532
 533                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 534                 {
 535                         if (*old == *_new)
 536                                 added = false;
 537                 }
 538
 539                 if (added)
 540                         added_modules.push_back(*_new);
 541         }
 542
 543         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 544         {
 545                 bool removed = true;
 546                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 547                 {
 548                         if (*newm == *oldm)
 549                                 removed = false;
 550                 }
 551
 552                 if (removed)
 553                         removed_modules.push_back(*oldm);
 554         }
 555         return true;
 556 }
 557
 558 /* Callback called before processing the first <banlist> tag
 559  */
 560 bool InitMaxBans(ServerConfig* conf, const char* tag)
 561 {
 562         conf->maxbans.clear();
 563         return true;
 564 }
 565
 566 /* Callback called to process a single <banlist> tag
 567  */
 568 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 569 {
 570         const char* channel = values[0].GetString();
 571         int limit = values[1].GetInteger();
 572         conf->maxbans[channel] = limit;
 573         return true;
 574 }
 575
 576 /* Callback called when there are no more <banlist> tags.
 577  */
 578 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 579 {
 580         return true;
 581 }
 582
 583 void ServerConfig::Read(bool bail, userrec* user)
 584 {
 585         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 586         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 587         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 588         std::ostringstream errstr;      /* String stream containing the error output */
 589
 590         /* These tags MUST occur and must ONLY occur once in the config file */
 591         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 592
 593         /* These tags can occur ONCE or not at all */
 594         InitialConfig Values[] = {
 595                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 596                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 597                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 598                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 599                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 600                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 601                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 602                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 603                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 604                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 605                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 606                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 607                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 608                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 609                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 610                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 611                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 612                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 613                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 614                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 615                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 616                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 617                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 618                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 619                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 620                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 621                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 622                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 623                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 624                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 625                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 626                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 627                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 628                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 629                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 630                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 631                 {NULL}
 632         };
 633
 634         /* These tags can occur multiple times, and therefore they have special code to read them
 635          * which is different to the code for reading the singular tags listed above.
 636          */
 637         MultiConfig MultiValues[] = {
 638
 639                 {"connect",
 640                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 641                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 642                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 643                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 644                                 InitConnect, DoConnect, DoneConnect},
 645
 646                 {"uline",
 647                                 {"server",      NULL},
 648                                 {DT_CHARPTR},
 649                                 InitULine,DoULine,DoneULine},
 650
 651                 {"banlist",
 652                                 {"chan",        "limit",        NULL},
 653                                 {DT_CHARPTR,    DT_INTEGER},
 654                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 655
 656                 {"module",
 657                                 {"name",        NULL},
 658                                 {DT_CHARPTR},
 659                                 InitModule, DoModule, DoneModule},
 660
 661                 {"badip",
 662                                 {"reason",      "ipmask",       NULL},
 663                                 {DT_CHARPTR,    DT_CHARPTR},
 664                                 InitXLine, DoZLine, DoneXLine},
 665
 666                 {"badnick",
 667                                 {"reason",      "nick",         NULL},
 668                                 {DT_CHARPTR,    DT_CHARPTR},
 669                                 InitXLine, DoQLine, DoneXLine},
 670
 671                 {"badhost",
 672                                 {"reason",      "host",         NULL},
 673                                 {DT_CHARPTR,    DT_CHARPTR},
 674                                 InitXLine, DoKLine, DoneXLine},
 675
 676                 {"exception",
 677                                 {"reason",      "host",         NULL},
 678                                 {DT_CHARPTR,    DT_CHARPTR},
 679                                 InitXLine, DoELine, DoneXLine},
 680
 681                 {"type",
 682                                 {"name",        "classes",      NULL},
 683                                 {DT_CHARPTR,    DT_CHARPTR},
 684                                 InitTypes, DoType, DoneClassesAndTypes},
 685
 686                 {"class",
 687                                 {"name",        "commands",     NULL},
 688                                 {DT_CHARPTR,    DT_CHARPTR},
 689                                 InitClasses, DoClass, DoneClassesAndTypes},
 690
 691                 {NULL}
 692         };
 693
 694         include_stack.clear();
 695
 696         /* Load and parse the config file, if there are any errors then explode */
 697
 698         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 699         ConfigDataHash newconfig;
 700
 701         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 702         {
 703                 /* If we succeeded, set the ircd config to the new one */
 704                 this->config_data = newconfig;
 705         }
 706         else
 707         {
 708                 ServerInstance->Log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str());
 709
 710                 if (bail)
 711                 {
 712                         /* Unneeded because of the ServerInstance->Log() aboive? */
 713                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 714                         InspIRCd::Exit(ERROR);
 715                 }
 716                 else
 717                 {
 718                         std::string errors = errstr.str();
 719                         std::string::size_type start;
 720                         unsigned int prefixlen;
 721
 722                         start = 0;
 723                         /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 724                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 725
 726                         if (user)
 727                         {
 728                                 user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 729
 730                                 while(start < errors.length())
 731                                 {
 732                                         user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 733                                         start += 510 - prefixlen;
 734                                 }
 735                         }
 736                         else
 737                         {
 738                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 739
 740                                 while(start < errors.length())
 741                                 {
 742                                         ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 743                                         start += 360;
 744                                 }
 745                         }
 746
 747                         return;
 748                 }
 749         }
 750
 751         /* Check we dont have more than one of singular tags, or any of them missing
 752          */
 753         for (int Index = 0; Once[Index]; Index++)
 754                 if (!CheckOnce(Once[Index], bail, user))
 755                         return;
 756
 757         /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 758          */
 759         for (int Index = 0; Values[Index].tag; Index++)
 760         {
 761                 char item[MAXBUF];
 762                 ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF);
 763                 ValueItem vi(item);
 764
 765                 Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 766
 767                 switch (Values[Index].datatype)
 768                 {
 769                         case DT_CHARPTR:
 770                                 {
 771                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 772                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 773                                 }
 774                         break;
 775                         case DT_INTEGER:
 776                                 {
 777                                         int val = vi.GetInteger();
 778                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 779                                         vci->Set(&val, sizeof(int));
 780                                 }
 781                         break;
 782                         case DT_BOOLEAN:
 783                                 {
 784                                         bool val = vi.GetBool();
 785                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 786                                         vcb->Set(&val, sizeof(bool));
 787                                 }
 788                         break;
 789                         default:
 790                                 /* You don't want to know what happens if someones bad code sends us here. */
 791                         break;
 792                 }
 793
 794                 /* We're done with this now */
 795                 delete Values[Index].val;
 796         }
 797
 798         /* Read the multiple-tag items (class tags, connect tags, etc)
 799          * and call the callbacks associated with them. We have three
 800          * callbacks for these, a 'start', 'item' and 'end' callback.
 801          */
 802         for (int Index = 0; MultiValues[Index].tag; Index++)
 803         {
 804                 MultiValues[Index].init_function(this, MultiValues[Index].tag);
 805
 806                 int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 807
 808                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 809                 {
 810                         ValueList vl;
 811                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 812                         {
 813                                 switch (MultiValues[Index].datatype[valuenum])
 814                                 {
 815                                         case DT_CHARPTR:
 816                                                 {
 817                                                         char item[MAXBUF];
 818                                                         ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF);
 819                                                         vl.push_back(ValueItem(item));
 820                                                 }
 821                                         break;
 822                                         case DT_INTEGER:
 823                                                 {
 824                                                         int item;
 825                                                         ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item);
 826                                                         vl.push_back(ValueItem(item));
 827                                                 }
 828                                         break;
 829                                         case DT_BOOLEAN:
 830                                                 {
 831                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 832                                                         vl.push_back(ValueItem(item));
 833                                                 }
 834                                         break;
 835                                         default:
 836                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
 837                                         break;
 838                                 }
 839                         }
 840
 841                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 842                 }
 843
 844                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 845         }
 846
 847         // write once here, to try it out and make sure its ok
 848         ServerInstance->WritePID(this->PID);
 849
 850         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 851
 852         /* If we're rehashing, let's load any new modules, and unload old ones
 853          */
 854         if (!bail)
 855         {
 856                 int found_ports = 0;
 857                 FailedPortList pl;
 858                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 859
 860                 if (pl.size())
 861                 {
 862                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 863                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 864                         int j = 1;
 865                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 866                         {
 867                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 868                         }
 869                 }
 870
 871                 if (!removed_modules.empty())
 872                 {
 873                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 874                         {
 875                                 if (ServerInstance->UnloadModule(removing->c_str()))
 876                                 {
 877                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 878
 879                                         if (user)
 880                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 881
 882                                         rem++;
 883                                 }
 884                                 else
 885                                 {
 886                                         if (user)
 887                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 888                                 }
 889                         }
 890                 }
 891
 892                 if (!added_modules.empty())
 893                 {
 894                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 895                         {
 896                                 if (ServerInstance->LoadModule(adding->c_str()))
 897                                 {
 898                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 899
 900                                         if (user)
 901                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 902
 903                                         add++;
 904                                 }
 905                                 else
 906                                 {
 907                                         if (user)
 908                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 909                                 }
 910                         }
 911                 }
 912
 913                 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());
 914         }
 915 }
 916
 917 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 918 {
 919         std::ifstream conf(filename);
 920         std::string line;
 921         char ch;
 922         long linenumber;
 923         bool in_tag;
 924         bool in_quote;
 925         bool in_comment;
 926
 927         linenumber = 1;
 928         in_tag = false;
 929         in_quote = false;
 930         in_comment = false;
 931
 932         /* Check if the file open failed first */
 933         if (!conf)
 934         {
 935                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 936                 return false;
 937         }
 938
 939         /* Fix the chmod of the file to restrict it to the current user and group */
 940         chmod(filename,0600);
 941
 942         for (unsigned int t = 0; t < include_stack.size(); t++)
 943         {
 944                 if (std::string(filename) == include_stack[t])
 945                 {
 946                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 947                         return false;
 948                 }
 949         }
 950
 951         /* It's not already included, add it to the list of files we've loaded */
 952         include_stack.push_back(filename);
 953
 954         /* Start reading characters... */
 955         while(conf.get(ch))
 956         {
 957                 /*
 958                  * Here we try and get individual tags on separate lines,
 959                  * this would be so easy if we just made people format
 960                  * their config files like that, but they don't so...
 961                  * We check for a '<' and then know the line is over when
 962                  * we get a '>' not inside quotes. If we find two '<' and
 963                  * no '>' then die with an error.
 964                  */
 965
 966                 if((ch == '#') && !in_quote)
 967                         in_comment = true;
 968
 969                 if(((ch == '\n') || (ch == '\r')) && in_quote)
 970                 {
 971                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 972                         return false;
 973                 }
 974
 975                 switch(ch)
 976                 {
 977                         case '\n':
 978                                 linenumber++;
 979                         case '\r':
 980                                 in_comment = false;
 981                         case '\0':
 982                                 continue;
 983                         case '\t':
 984                                 ch = ' ';
 985                 }
 986
 987                 if(in_comment)
 988                         continue;
 989
 990                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 991                  * Note that this WILL NOT usually allow insertion of newlines,
 992                  * because a newline is two characters long. Use it primarily to
 993                  * insert the " symbol.
 994                  *
 995                  * Note that this also involves a further check when parsing the line,
 996                  * which can be found below.
 997                  */
 998                 if ((ch == '\\') && (in_quote) && (in_tag))
 999                 {
1000                         line += ch;
1001                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
1002                         char real_character;
1003                         if (conf.get(real_character))
1004                         {
1005                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
1006                                 if (real_character == 'n')
1007                                         real_character = '\n';
1008                                 line += real_character;
1009                                 continue;
1010                         }
1011                         else
1012                         {
1013                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1014                                 return false;
1015                         }
1016                 }
1017
1018                 line += ch;
1019
1020                 if(ch == '<')
1021                 {
1022                         if(in_tag)
1023                         {
1024                                 if(!in_quote)
1025                                 {
1026                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1027                                         return false;
1028                                 }
1029                         }
1030                         else
1031                         {
1032                                 if(in_quote)
1033                                 {
1034                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1035                                         return false;
1036                                 }
1037                                 else
1038                                 {
1039                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1040                                         in_tag = true;
1041                                 }
1042                         }
1043                 }
1044                 else if(ch == '"')
1045                 {
1046                         if(in_tag)
1047                         {
1048                                 if(in_quote)
1049                                 {
1050                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1051                                         in_quote = false;
1052                                 }
1053                                 else
1054                                 {
1055                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1056                                         in_quote = true;
1057                                 }
1058                         }
1059                         else
1060                         {
1061                                 if(in_quote)
1062                                 {
1063                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1064                                 }
1065                                 else
1066                                 {
1067                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1068                                 }
1069                         }
1070                 }
1071                 else if(ch == '>')
1072                 {
1073                         if(!in_quote)
1074                         {
1075                                 if(in_tag)
1076                                 {
1077                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1078                                         in_tag = false;
1079
1080                                         /*
1081                                          * If this finds an <include> then ParseLine can simply call
1082                                          * LoadConf() and load the included config into the same ConfigDataHash
1083                                          */
1084
1085                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1086                                                 return false;
1087
1088                                         line.clear();
1089                                 }
1090                                 else
1091                                 {
1092                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1093                                         return false;
1094                                 }
1095                         }
1096                 }
1097         }
1098
1099         return true;
1100 }
1101
1102 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1103 {
1104         return this->LoadConf(target, filename.c_str(), errorstream);
1105 }
1106
1107 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1108 {
1109         std::string tagname;
1110         std::string current_key;
1111         std::string current_value;
1112         KeyValList results;
1113         bool got_name;
1114         bool got_key;
1115         bool in_quote;
1116
1117         got_name = got_key = in_quote = false;
1118
1119         // std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1120
1121         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1122         {
1123                 if(!got_name)
1124                 {
1125                         /* We don't know the tag name yet. */
1126
1127                         if(*c != ' ')
1128                         {
1129                                 if(*c != '<')
1130                                 {
1131                                         tagname += *c;
1132                                 }
1133                         }
1134                         else
1135                         {
1136                                 /* We got to a space, we should have the tagname now. */
1137                                 if(tagname.length())
1138                                 {
1139                                         got_name = true;
1140                                 }
1141                         }
1142                 }
1143                 else
1144                 {
1145                         /* We have the tag name */
1146                         if (!got_key)
1147                         {
1148                                 /* We're still reading the key name */
1149                                 if (*c != '=')
1150                                 {
1151                                         if (*c != ' ')
1152                                         {
1153                                                 current_key += *c;
1154                                         }
1155                                 }
1156                                 else
1157                                 {
1158                                         /* We got an '=', end of the key name. */
1159                                         got_key = true;
1160                                 }
1161                         }
1162                         else
1163                         {
1164                                 /* We have the key name, now we're looking for quotes and the value */
1165
1166                                 /* Correctly handle escaped characters here.
1167                                  * See the XXX'ed section above.
1168                                  */
1169                                 if ((*c == '\\') && (in_quote))
1170                                 {
1171                                         c++;
1172                                         if (*c == 'n')
1173                                                 current_value += '\n';
1174                                         else
1175                                                 current_value += *c;
1176                                         continue;
1177                                 }
1178                                 if (*c == '"')
1179                                 {
1180                                         if (!in_quote)
1181                                         {
1182                                                 /* We're not already in a quote. */
1183                                                 in_quote = true;
1184                                         }
1185                                         else
1186                                         {
1187                                                 /* Leaving quotes, we have the value */
1188                                                 results.push_back(KeyVal(current_key, current_value));
1189
1190                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1191
1192                                                 in_quote = false;
1193                                                 got_key = false;
1194
1195                                                 if((tagname == "include") && (current_key == "file"))
1196                                                 {
1197                                                         if(!this->DoInclude(target, current_value, errorstream))
1198                                                                 return false;
1199                                                 }
1200
1201                                                 current_key.clear();
1202                                                 current_value.clear();
1203                                         }
1204                                 }
1205                                 else
1206                                 {
1207                                         if(in_quote)
1208                                         {
1209                                                 current_value += *c;
1210                                         }
1211                                 }
1212                         }
1213                 }
1214         }
1215
1216         /* Finished parsing the tag, add it to the config hash */
1217         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1218
1219         return true;
1220 }
1221
1222 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1223 {
1224         std::string confpath;
1225         std::string newfile;
1226         std::string::size_type pos;
1227
1228         confpath = CONFIG_FILE;
1229         newfile = file;
1230
1231         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1232         {
1233                 if (*c == '\\')
1234                 {
1235                         *c = '/';
1236                 }
1237         }
1238
1239         if (file[0] != '/')
1240         {
1241                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1242                 {
1243                         /* Leaves us with just the path */
1244                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1245                 }
1246                 else
1247                 {
1248                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1249                         return false;
1250                 }
1251         }
1252
1253         return LoadConf(target, newfile, errorstream);
1254 }
1255
1256 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length)
1257 {
1258         std::string value;
1259         bool r = ConfValue(target, std::string(tag), std::string(var), index, value);
1260         strlcpy(result, value.c_str(), length);
1261         return r;
1262 }
1263
1264 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result)
1265 {
1266         ConfigDataHash::size_type pos = index;
1267         if((pos >= 0) && (pos < target.count(tag)))
1268         {
1269                 ConfigDataHash::const_iterator iter = target.find(tag);
1270
1271                 for(int i = 0; i < index; i++)
1272                         iter++;
1273
1274                 for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++)
1275                 {
1276                         if(j->first == var)
1277                         {
1278                                 result = j->second;
1279                                 return true;
1280                         }
1281                 }
1282         }
1283         else if(pos == 0)
1284         {
1285                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1286         }
1287         else
1288         {
1289                 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());
1290         }
1291
1292         return false;
1293 }
1294
1295 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1296 {
1297         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1298 }
1299
1300 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1301 {
1302         std::string value;
1303         std::istringstream stream;
1304         bool r = ConfValue(target, tag, var, index, value);
1305         stream.str(value);
1306         if(!(stream >> result))
1307                 return false;
1308         return r;
1309 }
1310
1311 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1312 {
1313         return ConfValueBool(target, std::string(tag), std::string(var), index);
1314 }
1315
1316 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1317 {
1318         std::string result;
1319         if(!ConfValue(target, tag, var, index, result))
1320                 return false;
1321
1322         return ((result == "yes") || (result == "true") || (result == "1"));
1323 }
1324
1325 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1326 {
1327         return target.count(tag);
1328 }
1329
1330 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1331 {
1332         return target.count(tag);
1333 }
1334
1335 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1336 {
1337         return ConfVarEnum(target, std::string(tag), index);
1338 }
1339
1340 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1341 {
1342         ConfigDataHash::size_type pos = index;
1343
1344         if((pos >= 0) && (pos < target.count(tag)))
1345         {
1346                 ConfigDataHash::const_iterator iter = target.find(tag);
1347
1348                 for(int i = 0; i < index; i++)
1349                         iter++;
1350
1351                 return iter->second.size();
1352         }
1353         else if(pos == 0)
1354         {
1355                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1356         }
1357         else
1358         {
1359                 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());
1360         }
1361
1362         return 0;
1363 }
1364
1365 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1366  */
1367 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1368 {
1369         FILE* file = NULL;
1370         char linebuf[MAXBUF];
1371
1372         F.clear();
1373
1374         if (*fname != '/')
1375         {
1376                 std::string::size_type pos;
1377                 std::string confpath = CONFIG_FILE;
1378                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1379                 {
1380                         /* Leaves us with just the path */
1381                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1382                         file =  fopen(newfile.c_str(), "r");
1383
1384                 }
1385         }
1386         else
1387                 file =  fopen(fname, "r");
1388
1389         if (file)
1390         {
1391                 while (!feof(file))
1392                 {
1393                         if (fgets(linebuf, sizeof(linebuf), file))
1394                                 linebuf[strlen(linebuf)-1] = 0;
1395                         else
1396                                 *linebuf = 0;
1397
1398                         if (!feof(file))
1399                         {
1400                                 F.push_back(*linebuf ? linebuf : " ");
1401                         }
1402                 }
1403
1404                 fclose(file);
1405         }
1406         else
1407                 return false;
1408
1409         return true;
1410 }
1411
1412 bool ServerConfig::FileExists(const char* file)
1413 {
1414         FILE *input;
1415         if ((input = fopen (file, "r")) == NULL)
1416         {
1417                 return false;
1418         }
1419         else
1420         {
1421                 fclose(input);
1422                 return true;
1423         }
1424 }
1425
1426 char* ServerConfig::CleanFilename(char* name)
1427 {
1428         char* p = name + strlen(name);
1429         while ((p != name) && (*p != '/')) p--;
1430         return (p != name ? ++p : p);
1431 }
1432
1433
1434 bool ServerConfig::DirValid(const char* dirandfile)
1435 {
1436         char work[MAXBUF];
1437         char buffer[MAXBUF];
1438         char otherdir[MAXBUF];
1439         int p;
1440
1441         strlcpy(work, dirandfile, MAXBUF);
1442         p = strlen(work);
1443
1444         // we just want the dir
1445         while (*work)
1446         {
1447                 if (work[p] == '/')
1448                 {
1449                         work[p] = '\0';
1450                         break;
1451                 }
1452
1453                 work[p--] = '\0';
1454         }
1455
1456         // Get the current working directory
1457         if (getcwd(buffer, MAXBUF ) == NULL )
1458                 return false;
1459
1460         if (chdir(work) == -1)
1461                 return false;
1462
1463         if (getcwd(otherdir, MAXBUF ) == NULL )
1464                 return false;
1465
1466         if (chdir(buffer) == -1)
1467                 return false;
1468
1469         size_t t = strlen(work);
1470
1471         if (strlen(otherdir) >= t)
1472         {
1473                 otherdir[t] = '\0';
1474
1475                 if (!strcmp(otherdir,work))
1476                 {
1477                         return true;
1478                 }
1479
1480                 return false;
1481         }
1482         else
1483         {
1484                 return false;
1485         }
1486 }
1487
1488 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1489 {
1490         char work[MAXBUF];
1491         char buffer[MAXBUF];
1492         char otherdir[MAXBUF];
1493         int p;
1494
1495         strlcpy(work,argv[0],MAXBUF);
1496         p = strlen(work);
1497
1498         // we just want the dir
1499         while (*work)
1500         {
1501                 if (work[p] == '/')
1502                 {
1503                         work[p] = '\0';
1504                         break;
1505                 }
1506
1507                 work[p--] = '\0';
1508         }
1509
1510         // Get the current working directory
1511         if (getcwd(buffer, MAXBUF) == NULL)
1512                 return "";
1513
1514         if (chdir(work) == -1)
1515                 return "";
1516
1517         if (getcwd(otherdir, MAXBUF) == NULL)
1518                 return "";
1519
1520         if (chdir(buffer) == -1)
1521                 return "";
1522
1523         return otherdir;
1524 }
1525
1526 InspIRCd* ServerConfig::GetInstance()
1527 {
1528         return ServerInstance;
1529 }
1530
1531
1532 ValueItem::ValueItem(int value)
1533 {
1534         std::stringstream n;
1535         n << value;
1536         v = n.str();
1537 }
1538
1539 ValueItem::ValueItem(bool value)
1540 {
1541         std::stringstream n;
1542         n << value;
1543         v = n.str();
1544 }
1545
1546 ValueItem::ValueItem(char* value)
1547 {
1548         v = value;
1549 }
1550
1551 void ValueItem::Set(char* value)
1552 {
1553         v = value;
1554 }
1555
1556 void ValueItem::Set(const char* value)
1557 {
1558         v = value;
1559 }
1560
1561 void ValueItem::Set(int value)
1562 {
1563         std::stringstream n;
1564         n << value;
1565         v = n.str();
1566 }
1567
1568 int ValueItem::GetInteger()
1569 {
1570         return atoi(v.c_str());
1571 }
1572
1573 char* ValueItem::GetString()
1574 {
1575         return (char*)v.c_str();
1576 }
1577
1578 bool ValueItem::GetBool()
1579 {
1580         return (GetInteger() || v == "yes" || v == "true");
1581 }
1582