src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "configreader.h"
  15 #include <sstream>
  16 #include <fstream>
  17 #include "inspircd.h"
  18 #include "xline.h"
  19
  20 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  21
  22 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  23 {
  24         this->ClearStack();
  25         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  26         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  27         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  28         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  29         log_file = NULL;
  30         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
  31         CycleHosts = writelog = AllowHalfop = true;
  32         dns_timeout = DieDelay = 5;
  33         MaxTargets = 20;
  34         NetBufferSize = 10240;
  35         SoftLimit = MAXCLIENTS;
  36         MaxConn = SOMAXCONN;
  37         MaxWhoResults = 100;
  38         debugging = 0;
  39         LogLevel = DEFAULT;
  40         maxbans.clear();
  41         WhoWasGroupSize = 10;
  42         WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
  43         WhoWasMaxKeep = 3600*24*3; // 3 days
  44 }
  45
  46 void ServerConfig::ClearStack()
  47 {
  48         include_stack.clear();
  49 }
  50
  51 Module* ServerConfig::GetIOHook(int port)
  52 {
  53         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  54         return (x != IOHookModule.end() ? x->second : NULL);
  55 }
  56
  57 Module* ServerConfig::GetIOHook(InspSocket* is)
  58 {
  59         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  60         return (x != SocketIOHookModule.end() ? x->second : NULL);
  61 }
  62
  63 bool ServerConfig::AddIOHook(int port, Module* iomod)
  64 {
  65         if (!GetIOHook(port))
  66         {
  67                 IOHookModule[port] = iomod;
  68                 return true;
  69         }
  70         else
  71         {
  72                 throw ModuleException("Port already hooked by another module");
  73                 return false;
  74         }
  75 }
  76
  77 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  78 {
  79         if (!GetIOHook(is))
  80         {
  81                 ServerInstance->Log(DEBUG,"Hooked inspsocket %08x", is);
  82                 SocketIOHookModule[is] = iomod;
  83                 is->IsIOHooked = true;
  84                 return true;
  85         }
  86         else
  87         {
  88                 throw ModuleException("InspSocket derived class already hooked by another module");
  89                 return false;
  90         }
  91 }
  92
  93 bool ServerConfig::DelIOHook(int port)
  94 {
  95         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  96         if (x != IOHookModule.end())
  97         {
  98                 IOHookModule.erase(x);
  99                 return true;
 100         }
 101         return false;
 102 }
 103
 104 bool ServerConfig::DelIOHook(InspSocket* is)
 105 {
 106         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 107         if (x != SocketIOHookModule.end())
 108         {
 109                 SocketIOHookModule.erase(x);
 110                 return true;
 111         }
 112         return false;
 113 }
 114
 115 void ServerConfig::Update005()
 116 {
 117         std::stringstream out(data005);
 118         std::string token;
 119         std::string line5;
 120         int token_counter = 0;
 121         isupport.clear();
 122         while (out >> token)
 123         {
 124                 line5 = line5 + token + " ";
 125                 token_counter++;
 126                 if (token_counter >= 13)
 127                 {
 128                         char buf[MAXBUF];
 129                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 130                         isupport.push_back(buf);
 131                         line5 = "";
 132                         token_counter = 0;
 133                 }
 134         }
 135         char buf[MAXBUF];
 136         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 137         isupport.push_back(buf);
 138 }
 139
 140 void ServerConfig::Send005(userrec* user)
 141 {
 142         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 143                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 144 }
 145
 146 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 147 {
 148         int count = ConfValueEnum(this->config_data, tag);
 149
 150         if (count > 1)
 151         {
 152                 if (bail)
 153                 {
 154                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 155                         InspIRCd::Exit(ERROR);
 156                 }
 157                 else
 158                 {
 159                         if (user)
 160                         {
 161                                 user->WriteServ("There were errors in your configuration:");
 162                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 163                         }
 164                         else
 165                         {
 166                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 167                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 168                         }
 169                 }
 170                 return false;
 171         }
 172         if (count < 1)
 173         {
 174                 if (bail)
 175                 {
 176                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 177                         InspIRCd::Exit(ERROR);
 178                 }
 179                 else
 180                 {
 181                         if (user)
 182                         {
 183                                 user->WriteServ("There were errors in your configuration:");
 184                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 185                         }
 186                         else
 187                         {
 188                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 189                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 190                         }
 191                 }
 192                 return false;
 193         }
 194         return true;
 195 }
 196
 197 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 198 {
 199         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 200         return true;
 201 }
 202
 203 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 204 {
 205         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 206         {
 207                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 208                 data.Set(20);
 209         }
 210         return true;
 211 }
 212
 213 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 214 {
 215         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 216         {
 217                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 218                 data.Set(MAXCLIENTS);
 219         }
 220         return true;
 221 }
 222
 223 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 224 {
 225         if (data.GetInteger() > SOMAXCONN)
 226                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 227         if (!data.GetInteger())
 228                 data.Set(SOMAXCONN);
 229         return true;
 230 }
 231
 232 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 233 {
 234         if (!data.GetInteger())
 235                 data.Set(5);
 236         return true;
 237 }
 238
 239 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 240 {
 241         std::stringstream dcmds(data);
 242         std::string thiscmd;
 243
 244         /* Enable everything first */
 245         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 246                 x->second->Disable(false);
 247
 248         /* Now disable all the ones which the user wants disabled */
 249         while (dcmds >> thiscmd)
 250         {
 251                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 252                 if (cm != ServerInstance->Parser->cmdlist.end())
 253                 {
 254                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 255                         cm->second->Disable(true);
 256                 }
 257         }
 258         return true;
 259 }
 260
 261 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 262 {
 263         if (!*(data.GetString()))
 264         {
 265                 // attempt to look up their nameserver from /etc/resolv.conf
 266                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 267                 ifstream resolv("/etc/resolv.conf");
 268                 std::string nameserver;
 269                 bool found_server = false;
 270
 271                 if (resolv.is_open())
 272                 {
 273                         while (resolv >> nameserver)
 274                         {
 275                                 if ((nameserver == "nameserver") && (!found_server))
 276                                 {
 277                                         resolv >> nameserver;
 278                                         data.Set(nameserver.c_str());
 279                                         found_server = true;
 280                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 281                                 }
 282                         }
 283
 284                         if (!found_server)
 285                         {
 286                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 287                                 data.Set("127.0.0.1");
 288                         }
 289                 }
 290                 else
 291                 {
 292                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 293                         data.Set("127.0.0.1");
 294                 }
 295         }
 296         return true;
 297 }
 298
 299 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 300 {
 301         if (!*(data.GetString()))
 302                 data.Set(MOD_PATH);
 303         return true;
 304 }
 305
 306
 307 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 308 {
 309         if (!strchr(data.GetString(),'.'))
 310         {
 311                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 312                 std::string moo = std::string(data.GetString()).append(".");
 313                 data.Set(moo.c_str());
 314         }
 315         return true;
 316 }
 317
 318 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 319 {
 320         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 321         {
 322                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 323                 data.Set(10240);
 324         }
 325         return true;
 326 }
 327
 328 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 329 {
 330         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 331         {
 332                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 333                 data.Set(128);
 334         }
 335         return true;
 336 }
 337
 338 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 339 {
 340         std::string dbg = data.GetString();
 341         conf->LogLevel = DEFAULT;
 342
 343         if (dbg == "debug")
 344                 conf->LogLevel = DEBUG;
 345         else if (dbg  == "verbose")
 346                 conf->LogLevel = VERBOSE;
 347         else if (dbg == "default")
 348                 conf->LogLevel = DEFAULT;
 349         else if (dbg == "sparse")
 350                 conf->LogLevel = SPARSE;
 351         else if (dbg == "none")
 352                 conf->LogLevel = NONE;
 353
 354         conf->debugging = (conf->LogLevel == DEBUG);
 355
 356         return true;
 357 }
 358
 359 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 360 {
 361         conf->ReadFile(conf->MOTD, data.GetString());
 362         return true;
 363 }
 364
 365 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 366 {
 367         conf->ReadFile(conf->RULES, data.GetString());
 368         return true;
 369 }
 370
 371 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 372 {
 373         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 374
 375         if (conf->WhoWasGroupSize < 0)
 376                 conf->WhoWasGroupSize = 0;
 377
 378         if (conf->WhoWasMaxGroups < 0)
 379                 conf->WhoWasMaxGroups = 0;
 380
 381         if (conf->WhoWasMaxKeep < 3600)
 382         {
 383                 conf->WhoWasMaxKeep = 3600;
 384                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 385         }
 386         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 387         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 388         return true;
 389 }
 390
 391 /* Callback called before processing the first <connect> tag
 392  */
 393 bool InitConnect(ServerConfig* conf, const char* tag)
 394 {
 395         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 396         conf->Classes.clear();
 397         return true;
 398 }
 399
 400 /* Callback called to process a single <connect> tag
 401  */
 402 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 403 {
 404         ConnectClass c;
 405         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 406         const char* deny = values[1].GetString();
 407         const char* password = values[2].GetString();
 408         int timeout = values[3].GetInteger();
 409         int pingfreq = values[4].GetInteger();
 410         int flood = values[5].GetInteger();
 411         int threshold = values[6].GetInteger();
 412         int sendq = values[7].GetInteger();
 413         int recvq = values[8].GetInteger();
 414         int localmax = values[9].GetInteger();
 415         int globalmax = values[10].GetInteger();
 416
 417         if (*allow)
 418         {
 419                 ConnectClass c(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax);
 420                 conf->Classes.push_back(c);
 421         }
 422         else
 423         {
 424                 ConnectClass c(deny);
 425                 conf->Classes.push_back(c);
 426         }
 427
 428         return true;
 429 }
 430
 431 /* Callback called when there are no more <connect> tags
 432  */
 433 bool DoneConnect(ServerConfig* conf, const char* tag)
 434 {
 435         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 436         return true;
 437 }
 438
 439 /* Callback called before processing the first <uline> tag
 440  */
 441 bool InitULine(ServerConfig* conf, const char* tag)
 442 {
 443         conf->ulines.clear();
 444         return true;
 445 }
 446
 447 /* Callback called to process a single <uline> tag
 448  */
 449 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 450 {
 451         const char* server = values[0].GetString();
 452         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 453         conf->ulines.push_back(server);
 454         return true;
 455 }
 456
 457 /* Callback called when there are no more <uline> tags
 458  */
 459 bool DoneULine(ServerConfig* conf, const char* tag)
 460 {
 461         return true;
 462 }
 463
 464 /* Callback called before processing the first <module> tag
 465  */
 466 bool InitModule(ServerConfig* conf, const char* tag)
 467 {
 468         old_module_names.clear();
 469         new_module_names.clear();
 470         added_modules.clear();
 471         removed_modules.clear();
 472         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 473         {
 474                 old_module_names.push_back(*t);
 475         }
 476         return true;
 477 }
 478
 479 /* Callback called to process a single <module> tag
 480  */
 481 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 482 {
 483         const char* modname = values[0].GetString();
 484         new_module_names.push_back(modname);
 485         return true;
 486 }
 487
 488 /* Callback called when there are no more <module> tags
 489  */
 490 bool DoneModule(ServerConfig* conf, const char* tag)
 491 {
 492         // now create a list of new modules that are due to be loaded
 493         // and a seperate list of modules which are due to be unloaded
 494         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 495         {
 496                 bool added = true;
 497
 498                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 499                 {
 500                         if (*old == *_new)
 501                                 added = false;
 502                 }
 503
 504                 if (added)
 505                         added_modules.push_back(*_new);
 506         }
 507
 508         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 509         {
 510                 bool removed = true;
 511                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 512                 {
 513                         if (*newm == *oldm)
 514                                 removed = false;
 515                 }
 516
 517                 if (removed)
 518                         removed_modules.push_back(*oldm);
 519         }
 520         return true;
 521 }
 522
 523 /* Callback called before processing the first <banlist> tag
 524  */
 525 bool InitMaxBans(ServerConfig* conf, const char* tag)
 526 {
 527         conf->maxbans.clear();
 528         return true;
 529 }
 530
 531 /* Callback called to process a single <banlist> tag
 532  */
 533 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 534 {
 535         const char* channel = values[0].GetString();
 536         int limit = values[1].GetInteger();
 537         conf->maxbans[channel] = limit;
 538         return true;
 539 }
 540
 541 /* Callback called when there are no more <banlist> tags.
 542  */
 543 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 544 {
 545         return true;
 546 }
 547
 548 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 549 {
 550         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 551         if (bail)
 552         {
 553                 /* Unneeded because of the ServerInstance->Log() aboive? */
 554                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 555                 InspIRCd::Exit(ERROR);
 556         }
 557         else
 558         {
 559                 std::string errors = errormessage;
 560                 std::string::size_type start;
 561                 unsigned int prefixlen;
 562                 start = 0;
 563                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 564                 prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 565                 if (user)
 566                 {
 567                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 568                         while (start < errors.length())
 569                         {
 570                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 571                                 start += 510 - prefixlen;
 572                         }
 573                 }
 574                 else
 575                 {
 576                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 577                         while (start < errors.length())
 578                         {
 579                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 580                                 start += 360;
 581                         }
 582                 }
 583                 return;
 584         }
 585 }
 586
 587 void ServerConfig::Read(bool bail, userrec* user)
 588 {
 589         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 590         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 591         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 592         std::ostringstream errstr;      /* String stream containing the error output */
 593
 594         /* These tags MUST occur and must ONLY occur once in the config file */
 595         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 596
 597         /* These tags can occur ONCE or not at all */
 598         InitialConfig Values[] = {
 599                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 600                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 601                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 602                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 603                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 604                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 605                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 606                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 607                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 608                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 609                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 610                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 611                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 612                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 613                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 614                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 615                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 616                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 617                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 618                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 619                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 620                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 621                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 622                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 623                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 624                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 625                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 626                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 627                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 628                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 629                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 630                 {"options",             "ircumsgprefix",                new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 631                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 632                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 633                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 634                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 635                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 636                 {NULL}
 637         };
 638
 639         /* These tags can occur multiple times, and therefore they have special code to read them
 640          * which is different to the code for reading the singular tags listed above.
 641          */
 642         MultiConfig MultiValues[] = {
 643
 644                 {"connect",
 645                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 646                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 647                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 648                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 649                                 InitConnect, DoConnect, DoneConnect},
 650
 651                 {"uline",
 652                                 {"server",      NULL},
 653                                 {DT_CHARPTR},
 654                                 InitULine,DoULine,DoneULine},
 655
 656                 {"banlist",
 657                                 {"chan",        "limit",        NULL},
 658                                 {DT_CHARPTR,    DT_INTEGER},
 659                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 660
 661                 {"module",
 662                                 {"name",        NULL},
 663                                 {DT_CHARPTR},
 664                                 InitModule, DoModule, DoneModule},
 665
 666                 {"badip",
 667                                 {"reason",      "ipmask",       NULL},
 668                                 {DT_CHARPTR,    DT_CHARPTR},
 669                                 InitXLine, DoZLine, DoneXLine},
 670
 671                 {"badnick",
 672                                 {"reason",      "nick",         NULL},
 673                                 {DT_CHARPTR,    DT_CHARPTR},
 674                                 InitXLine, DoQLine, DoneXLine},
 675
 676                 {"badhost",
 677                                 {"reason",      "host",         NULL},
 678                                 {DT_CHARPTR,    DT_CHARPTR},
 679                                 InitXLine, DoKLine, DoneXLine},
 680
 681                 {"exception",
 682                                 {"reason",      "host",         NULL},
 683                                 {DT_CHARPTR,    DT_CHARPTR},
 684                                 InitXLine, DoELine, DoneXLine},
 685
 686                 {"type",
 687                                 {"name",        "classes",      NULL},
 688                                 {DT_CHARPTR,    DT_CHARPTR},
 689                                 InitTypes, DoType, DoneClassesAndTypes},
 690
 691                 {"class",
 692                                 {"name",        "commands",     NULL},
 693                                 {DT_CHARPTR,    DT_CHARPTR},
 694                                 InitClasses, DoClass, DoneClassesAndTypes},
 695
 696                 {NULL}
 697         };
 698
 699         include_stack.clear();
 700
 701         /* Load and parse the config file, if there are any errors then explode */
 702
 703         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 704         ConfigDataHash newconfig;
 705
 706         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 707         {
 708                 /* If we succeeded, set the ircd config to the new one */
 709                 this->config_data = newconfig;
 710         }
 711         else
 712         {
 713                 ReportConfigError(errstr.str(), bail, user);
 714                 return;
 715         }
 716
 717         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 718         try
 719         {
 720                 /* Check we dont have more than one of singular tags, or any of them missing
 721                  */
 722                 for (int Index = 0; Once[Index]; Index++)
 723                         if (!CheckOnce(Once[Index], bail, user))
 724                                 return;
 725
 726                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 727                  */
 728                 for (int Index = 0; Values[Index].tag; Index++)
 729                 {
 730                         char item[MAXBUF];
 731                         int dt = Values[Index].datatype;
 732                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 733                         dt &= ~DT_ALLOW_NEWLINE;
 734
 735                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF, allow_newlines);
 736                         ValueItem vi(item);
 737
 738                         Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 739
 740                         switch (Values[Index].datatype)
 741                         {
 742                                 case DT_CHARPTR:
 743                                 {
 744                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 745                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 746                                 }
 747                                 break;
 748                                 case DT_INTEGER:
 749                                 {
 750                                         int val = vi.GetInteger();
 751                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 752                                         vci->Set(&val, sizeof(int));
 753                                 }
 754                                 break;
 755                                 case DT_BOOLEAN:
 756                                 {
 757                                         bool val = vi.GetBool();
 758                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 759                                         vcb->Set(&val, sizeof(bool));
 760                                 }
 761                                 break;
 762                                 default:
 763                                         /* You don't want to know what happens if someones bad code sends us here. */
 764                                 break;
 765                         }
 766
 767                         /* We're done with this now */
 768                         delete Values[Index].val;
 769                 }
 770
 771                 /* Read the multiple-tag items (class tags, connect tags, etc)
 772                  * and call the callbacks associated with them. We have three
 773                  * callbacks for these, a 'start', 'item' and 'end' callback.
 774                  */
 775                 for (int Index = 0; MultiValues[Index].tag; Index++)
 776                 {
 777                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 778
 779                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 780
 781                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 782                         {
 783                                 ValueList vl;
 784                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 785                                 {
 786                                         int dt = MultiValues[Index].datatype[valuenum];
 787                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 788                                         dt &= ~DT_ALLOW_NEWLINE;
 789
 790                                         switch (dt)
 791                                         {
 792                                                 case DT_CHARPTR:
 793                                                 {
 794                                                         char item[MAXBUF];
 795                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF, allow_newlines))
 796                                                                 vl.push_back(ValueItem(item));
 797                                                         else
 798                                                                 vl.push_back(ValueItem(""));
 799                                                 }
 800                                                 break;
 801                                                 case DT_INTEGER:
 802                                                 {
 803                                                         int item = 0;
 804                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item))
 805                                                                 vl.push_back(ValueItem(item));
 806                                                         else
 807                                                                 vl.push_back(ValueItem(0));
 808                                                 }
 809                                                 break;
 810                                                 case DT_BOOLEAN:
 811                                                 {
 812                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 813                                                         vl.push_back(ValueItem(item));
 814                                                 }
 815                                                 break;
 816                                                 default:
 817                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 818                                                 break;
 819                                         }
 820                                 }
 821
 822                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 823                         }
 824
 825                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 826                 }
 827
 828         }
 829
 830         catch (CoreException &ce)
 831         {
 832                 ReportConfigError(ce.GetReason(), bail, user);
 833                 return;
 834         }
 835
 836         // write once here, to try it out and make sure its ok
 837         ServerInstance->WritePID(this->PID);
 838
 839         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 840
 841         /* If we're rehashing, let's load any new modules, and unload old ones
 842          */
 843         if (!bail)
 844         {
 845                 int found_ports = 0;
 846                 FailedPortList pl;
 847                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 848
 849                 if (pl.size())
 850                 {
 851                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 852                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 853                         int j = 1;
 854                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 855                         {
 856                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 857                         }
 858                 }
 859
 860                 if (!removed_modules.empty())
 861                 {
 862                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 863                         {
 864                                 if (ServerInstance->UnloadModule(removing->c_str()))
 865                                 {
 866                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 867
 868                                         if (user)
 869                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 870
 871                                         rem++;
 872                                 }
 873                                 else
 874                                 {
 875                                         if (user)
 876                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 877                                 }
 878                         }
 879                 }
 880
 881                 if (!added_modules.empty())
 882                 {
 883                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 884                         {
 885                                 if (ServerInstance->LoadModule(adding->c_str()))
 886                                 {
 887                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 888
 889                                         if (user)
 890                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 891
 892                                         add++;
 893                                 }
 894                                 else
 895                                 {
 896                                         if (user)
 897                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 898                                 }
 899                         }
 900                 }
 901
 902                 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());
 903         }
 904 }
 905
 906 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 907 {
 908         std::ifstream conf(filename);
 909         std::string line;
 910         char ch;
 911         long linenumber;
 912         bool in_tag;
 913         bool in_quote;
 914         bool in_comment;
 915
 916         linenumber = 1;
 917         in_tag = false;
 918         in_quote = false;
 919         in_comment = false;
 920
 921         /* Check if the file open failed first */
 922         if (!conf)
 923         {
 924                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 925                 return false;
 926         }
 927
 928         /* Fix the chmod of the file to restrict it to the current user and group */
 929         chmod(filename,0600);
 930
 931         for (unsigned int t = 0; t < include_stack.size(); t++)
 932         {
 933                 if (std::string(filename) == include_stack[t])
 934                 {
 935                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 936                         return false;
 937                 }
 938         }
 939
 940         /* It's not already included, add it to the list of files we've loaded */
 941         include_stack.push_back(filename);
 942
 943         /* Start reading characters... */
 944         while(conf.get(ch))
 945         {
 946                 /*
 947                  * Here we try and get individual tags on separate lines,
 948                  * this would be so easy if we just made people format
 949                  * their config files like that, but they don't so...
 950                  * We check for a '<' and then know the line is over when
 951                  * we get a '>' not inside quotes. If we find two '<' and
 952                  * no '>' then die with an error.
 953                  */
 954
 955                 if((ch == '#') && !in_quote)
 956                         in_comment = true;
 957
 958                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 959                 {
 960                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 961                         return false;
 962                 }*/
 963
 964                 switch(ch)
 965                 {
 966                         case '\n':
 967                                 if (in_quote)
 968                                 {
 969                                         ServerInstance->Log(DEBUG, "Got \\n inside value");
 970                                         line += '\n';
 971                                 }
 972                                 linenumber++;
 973                         case '\r':
 974                                 if (!in_quote)
 975                                         in_comment = false;
 976                         case '\0':
 977                                 continue;
 978                         case '\t':
 979                                 ch = ' ';
 980                 }
 981
 982                 if(in_comment)
 983                         continue;
 984
 985                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 986                  * Note that this WILL NOT usually allow insertion of newlines,
 987                  * because a newline is two characters long. Use it primarily to
 988                  * insert the " symbol.
 989                  *
 990                  * Note that this also involves a further check when parsing the line,
 991                  * which can be found below.
 992                  */
 993                 if ((ch == '\\') && (in_quote) && (in_tag))
 994                 {
 995                         line += ch;
 996                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 997                         char real_character;
 998                         if (conf.get(real_character))
 999                         {
1000                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
1001                                 if (real_character == 'n')
1002                                         real_character = '\n';
1003                                 line += real_character;
1004                                 continue;
1005                         }
1006                         else
1007                         {
1008                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1009                                 return false;
1010                         }
1011                 }
1012
1013                 if (ch != '\r')
1014                         line += ch;
1015
1016                 if(ch == '<')
1017                 {
1018                         if(in_tag)
1019                         {
1020                                 if(!in_quote)
1021                                 {
1022                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1023                                         return false;
1024                                 }
1025                         }
1026                         else
1027                         {
1028                                 if(in_quote)
1029                                 {
1030                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1031                                         return false;
1032                                 }
1033                                 else
1034                                 {
1035                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1036                                         in_tag = true;
1037                                 }
1038                         }
1039                 }
1040                 else if(ch == '"')
1041                 {
1042                         if(in_tag)
1043                         {
1044                                 if(in_quote)
1045                                 {
1046                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1047                                         in_quote = false;
1048                                 }
1049                                 else
1050                                 {
1051                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1052                                         in_quote = true;
1053                                 }
1054                         }
1055                         else
1056                         {
1057                                 if(in_quote)
1058                                 {
1059                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1060                                 }
1061                                 else
1062                                 {
1063                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1064                                 }
1065                         }
1066                 }
1067                 else if(ch == '>')
1068                 {
1069                         if(!in_quote)
1070                         {
1071                                 if(in_tag)
1072                                 {
1073                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1074                                         in_tag = false;
1075
1076                                         /*
1077                                          * If this finds an <include> then ParseLine can simply call
1078                                          * LoadConf() and load the included config into the same ConfigDataHash
1079                                          */
1080
1081                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1082                                                 return false;
1083
1084                                         line.clear();
1085                                 }
1086                                 else
1087                                 {
1088                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1089                                         return false;
1090                                 }
1091                         }
1092                 }
1093         }
1094
1095         return true;
1096 }
1097
1098 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1099 {
1100         return this->LoadConf(target, filename.c_str(), errorstream);
1101 }
1102
1103 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1104 {
1105         std::string tagname;
1106         std::string current_key;
1107         std::string current_value;
1108         KeyValList results;
1109         bool got_name;
1110         bool got_key;
1111         bool in_quote;
1112
1113         got_name = got_key = in_quote = false;
1114
1115         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1116
1117         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1118         {
1119                 if(!got_name)
1120                 {
1121                         /* We don't know the tag name yet. */
1122
1123                         if(*c != ' ')
1124                         {
1125                                 if(*c != '<')
1126                                 {
1127                                         tagname += *c;
1128                                 }
1129                         }
1130                         else
1131                         {
1132                                 /* We got to a space, we should have the tagname now. */
1133                                 if(tagname.length())
1134                                 {
1135                                         got_name = true;
1136                                 }
1137                         }
1138                 }
1139                 else
1140                 {
1141                         /* We have the tag name */
1142                         if (!got_key)
1143                         {
1144                                 /* We're still reading the key name */
1145                                 if (*c != '=')
1146                                 {
1147                                         if (*c != ' ')
1148                                         {
1149                                                 current_key += *c;
1150                                         }
1151                                 }
1152                                 else
1153                                 {
1154                                         /* We got an '=', end of the key name. */
1155                                         got_key = true;
1156                                 }
1157                         }
1158                         else
1159                         {
1160                                 /* We have the key name, now we're looking for quotes and the value */
1161
1162                                 /* Correctly handle escaped characters here.
1163                                  * See the XXX'ed section above.
1164                                  */
1165                                 if ((*c == '\\') && (in_quote))
1166                                 {
1167                                         c++;
1168                                         if (*c == 'n')
1169                                                 current_value += '\n';
1170                                         else
1171                                                 current_value += *c;
1172                                         continue;
1173                                 }
1174                                 else if ((*c == '\n') && (in_quote))
1175                                 {
1176                                         /* Got a 'real' \n, treat it as part of the value */
1177                                         current_value += '\n';
1178                                         continue;
1179                                 }
1180                                 else if ((*c == '\r') && (in_quote))
1181                                         /* Got a \r, drop it */
1182                                         continue;
1183
1184                                 if (*c == '"')
1185                                 {
1186                                         if (!in_quote)
1187                                         {
1188                                                 /* We're not already in a quote. */
1189                                                 in_quote = true;
1190                                         }
1191                                         else
1192                                         {
1193                                                 /* Leaving quotes, we have the value */
1194                                                 results.push_back(KeyVal(current_key, current_value));
1195
1196                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1197
1198                                                 in_quote = false;
1199                                                 got_key = false;
1200
1201                                                 if((tagname == "include") && (current_key == "file"))
1202                                                 {
1203                                                         if(!this->DoInclude(target, current_value, errorstream))
1204                                                                 return false;
1205                                                 }
1206
1207                                                 current_key.clear();
1208                                                 current_value.clear();
1209                                         }
1210                                 }
1211                                 else
1212                                 {
1213                                         if(in_quote)
1214                                         {
1215                                                 current_value += *c;
1216                                         }
1217                                 }
1218                         }
1219                 }
1220         }
1221
1222         /* Finished parsing the tag, add it to the config hash */
1223         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1224
1225         return true;
1226 }
1227
1228 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1229 {
1230         std::string confpath;
1231         std::string newfile;
1232         std::string::size_type pos;
1233
1234         confpath = CONFIG_FILE;
1235         newfile = file;
1236
1237         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1238         {
1239                 if (*c == '\\')
1240                 {
1241                         *c = '/';
1242                 }
1243         }
1244
1245         if (file[0] != '/')
1246         {
1247                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1248                 {
1249                         /* Leaves us with just the path */
1250                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1251                 }
1252                 else
1253                 {
1254                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1255                         return false;
1256                 }
1257         }
1258
1259         return LoadConf(target, newfile, errorstream);
1260 }
1261
1262 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1263 {
1264         std::string value;
1265         bool r = ConfValue(target, std::string(tag), std::string(var), index, value, allow_linefeeds);
1266         strlcpy(result, value.c_str(), length);
1267         return r;
1268 }
1269
1270 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1271 {
1272         ConfigDataHash::size_type pos = index;
1273         if((pos >= 0) && (pos < target.count(tag)))
1274         {
1275                 ConfigDataHash::iterator iter = target.find(tag);
1276
1277                 for(int i = 0; i < index; i++)
1278                         iter++;
1279
1280                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1281                 {
1282                         if(j->first == var)
1283                         {
1284                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1285                                 {
1286                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1287                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1288                                                 if (*n == '\n')
1289                                                         *n = ' ';
1290                                 }
1291                                 else
1292                                 {
1293                                         result = j->second;
1294                                         return true;
1295                                 }
1296                         }
1297                 }
1298         }
1299         else if(pos == 0)
1300         {
1301                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1302         }
1303         else
1304         {
1305                 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());
1306         }
1307
1308         return false;
1309 }
1310
1311 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1312 {
1313         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1314 }
1315
1316 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1317 {
1318         std::string value;
1319         std::istringstream stream;
1320         bool r = ConfValue(target, tag, var, index, value);
1321         stream.str(value);
1322         if(!(stream >> result))
1323                 return false;
1324         return r;
1325 }
1326
1327 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1328 {
1329         return ConfValueBool(target, std::string(tag), std::string(var), index);
1330 }
1331
1332 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1333 {
1334         std::string result;
1335         if(!ConfValue(target, tag, var, index, result))
1336                 return false;
1337
1338         return ((result == "yes") || (result == "true") || (result == "1"));
1339 }
1340
1341 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1342 {
1343         return target.count(tag);
1344 }
1345
1346 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1347 {
1348         return target.count(tag);
1349 }
1350
1351 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1352 {
1353         return ConfVarEnum(target, std::string(tag), index);
1354 }
1355
1356 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1357 {
1358         ConfigDataHash::size_type pos = index;
1359
1360         if((pos >= 0) && (pos < target.count(tag)))
1361         {
1362                 ConfigDataHash::const_iterator iter = target.find(tag);
1363
1364                 for(int i = 0; i < index; i++)
1365                         iter++;
1366
1367                 return iter->second.size();
1368         }
1369         else if(pos == 0)
1370         {
1371                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1372         }
1373         else
1374         {
1375                 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());
1376         }
1377
1378         return 0;
1379 }
1380
1381 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1382  */
1383 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1384 {
1385         FILE* file = NULL;
1386         char linebuf[MAXBUF];
1387
1388         F.clear();
1389
1390         if (*fname != '/')
1391         {
1392                 std::string::size_type pos;
1393                 std::string confpath = CONFIG_FILE;
1394                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1395                 {
1396                         /* Leaves us with just the path */
1397                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1398                         file =  fopen(newfile.c_str(), "r");
1399
1400                 }
1401         }
1402         else
1403                 file =  fopen(fname, "r");
1404
1405         if (file)
1406         {
1407                 while (!feof(file))
1408                 {
1409                         if (fgets(linebuf, sizeof(linebuf), file))
1410                                 linebuf[strlen(linebuf)-1] = 0;
1411                         else
1412                                 *linebuf = 0;
1413
1414                         if (!feof(file))
1415                         {
1416                                 F.push_back(*linebuf ? linebuf : " ");
1417                         }
1418                 }
1419
1420                 fclose(file);
1421         }
1422         else
1423                 return false;
1424
1425         return true;
1426 }
1427
1428 bool ServerConfig::FileExists(const char* file)
1429 {
1430         FILE *input;
1431         if ((input = fopen (file, "r")) == NULL)
1432         {
1433                 return false;
1434         }
1435         else
1436         {
1437                 fclose(input);
1438                 return true;
1439         }
1440 }
1441
1442 char* ServerConfig::CleanFilename(char* name)
1443 {
1444         char* p = name + strlen(name);
1445         while ((p != name) && (*p != '/')) p--;
1446         return (p != name ? ++p : p);
1447 }
1448
1449
1450 bool ServerConfig::DirValid(const char* dirandfile)
1451 {
1452         char work[MAXBUF];
1453         char buffer[MAXBUF];
1454         char otherdir[MAXBUF];
1455         int p;
1456
1457         strlcpy(work, dirandfile, MAXBUF);
1458         p = strlen(work);
1459
1460         // we just want the dir
1461         while (*work)
1462         {
1463                 if (work[p] == '/')
1464                 {
1465                         work[p] = '\0';
1466                         break;
1467                 }
1468
1469                 work[p--] = '\0';
1470         }
1471
1472         // Get the current working directory
1473         if (getcwd(buffer, MAXBUF ) == NULL )
1474                 return false;
1475
1476         if (chdir(work) == -1)
1477                 return false;
1478
1479         if (getcwd(otherdir, MAXBUF ) == NULL )
1480                 return false;
1481
1482         if (chdir(buffer) == -1)
1483                 return false;
1484
1485         size_t t = strlen(work);
1486
1487         if (strlen(otherdir) >= t)
1488         {
1489                 otherdir[t] = '\0';
1490
1491                 if (!strcmp(otherdir,work))
1492                 {
1493                         return true;
1494                 }
1495
1496                 return false;
1497         }
1498         else
1499         {
1500                 return false;
1501         }
1502 }
1503
1504 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1505 {
1506         char work[MAXBUF];
1507         char buffer[MAXBUF];
1508         char otherdir[MAXBUF];
1509         int p;
1510
1511         strlcpy(work,argv[0],MAXBUF);
1512         p = strlen(work);
1513
1514         // we just want the dir
1515         while (*work)
1516         {
1517                 if (work[p] == '/')
1518                 {
1519                         work[p] = '\0';
1520                         break;
1521                 }
1522
1523                 work[p--] = '\0';
1524         }
1525
1526         // Get the current working directory
1527         if (getcwd(buffer, MAXBUF) == NULL)
1528                 return "";
1529
1530         if (chdir(work) == -1)
1531                 return "";
1532
1533         if (getcwd(otherdir, MAXBUF) == NULL)
1534                 return "";
1535
1536         if (chdir(buffer) == -1)
1537                 return "";
1538
1539         return otherdir;
1540 }
1541
1542 InspIRCd* ServerConfig::GetInstance()
1543 {
1544         return ServerInstance;
1545 }
1546
1547
1548 ValueItem::ValueItem(int value)
1549 {
1550         std::stringstream n;
1551         n << value;
1552         v = n.str();
1553 }
1554
1555 ValueItem::ValueItem(bool value)
1556 {
1557         std::stringstream n;
1558         n << value;
1559         v = n.str();
1560 }
1561
1562 ValueItem::ValueItem(char* value)
1563 {
1564         v = value;
1565 }
1566
1567 void ValueItem::Set(char* value)
1568 {
1569         v = value;
1570 }
1571
1572 void ValueItem::Set(const char* value)
1573 {
1574         v = value;
1575 }
1576
1577 void ValueItem::Set(int value)
1578 {
1579         std::stringstream n;
1580         n << value;
1581         v = n.str();
1582 }
1583
1584 int ValueItem::GetInteger()
1585 {
1586         if (v.empty())
1587                 return 0;
1588         return atoi(v.c_str());
1589 }
1590
1591 char* ValueItem::GetString()
1592 {
1593         return (char*)v.c_str();
1594 }
1595
1596 bool ValueItem::GetBool()
1597 {
1598         return (GetInteger() || v == "yes" || v == "true");
1599 }
1600