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 #include "exitcodes.h"
  20
  21 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  22
  23 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  24 {
  25         this->ClearStack();
  26         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  27         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  28         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  29         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  30         log_file = NULL;
  31         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
  32         CycleHosts = writelog = AllowHalfop = true;
  33         dns_timeout = DieDelay = 5;
  34         MaxTargets = 20;
  35         NetBufferSize = 10240;
  36         SoftLimit = MAXCLIENTS;
  37         MaxConn = SOMAXCONN;
  38         MaxWhoResults = 100;
  39         debugging = 0;
  40         LogLevel = DEFAULT;
  41         maxbans.clear();
  42         WhoWasGroupSize = 10;
  43         WhoWasMaxGroups = WhoWasGroupSize * MAXCLIENTS;
  44         WhoWasMaxKeep = 3600*24*3; // 3 days
  45 }
  46
  47 void ServerConfig::ClearStack()
  48 {
  49         include_stack.clear();
  50 }
  51
  52 Module* ServerConfig::GetIOHook(int port)
  53 {
  54         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  55         return (x != IOHookModule.end() ? x->second : NULL);
  56 }
  57
  58 Module* ServerConfig::GetIOHook(InspSocket* is)
  59 {
  60         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  61         return (x != SocketIOHookModule.end() ? x->second : NULL);
  62 }
  63
  64 bool ServerConfig::AddIOHook(int port, Module* iomod)
  65 {
  66         if (!GetIOHook(port))
  67         {
  68                 IOHookModule[port] = iomod;
  69                 return true;
  70         }
  71         else
  72         {
  73                 throw ModuleException("Port already hooked by another module");
  74                 return false;
  75         }
  76 }
  77
  78 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  79 {
  80         if (!GetIOHook(is))
  81         {
  82                 ServerInstance->Log(DEBUG,"Hooked inspsocket %08x", is);
  83                 SocketIOHookModule[is] = iomod;
  84                 is->IsIOHooked = true;
  85                 return true;
  86         }
  87         else
  88         {
  89                 throw ModuleException("InspSocket derived class already hooked by another module");
  90                 return false;
  91         }
  92 }
  93
  94 bool ServerConfig::DelIOHook(int port)
  95 {
  96         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  97         if (x != IOHookModule.end())
  98         {
  99                 IOHookModule.erase(x);
 100                 return true;
 101         }
 102         return false;
 103 }
 104
 105 bool ServerConfig::DelIOHook(InspSocket* is)
 106 {
 107         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 108         if (x != SocketIOHookModule.end())
 109         {
 110                 SocketIOHookModule.erase(x);
 111                 return true;
 112         }
 113         return false;
 114 }
 115
 116 void ServerConfig::Update005()
 117 {
 118         std::stringstream out(data005);
 119         std::string token;
 120         std::string line5;
 121         int token_counter = 0;
 122         isupport.clear();
 123         while (out >> token)
 124         {
 125                 line5 = line5 + token + " ";
 126                 token_counter++;
 127                 if (token_counter >= 13)
 128                 {
 129                         char buf[MAXBUF];
 130                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 131                         isupport.push_back(buf);
 132                         line5 = "";
 133                         token_counter = 0;
 134                 }
 135         }
 136         char buf[MAXBUF];
 137         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 138         isupport.push_back(buf);
 139 }
 140
 141 void ServerConfig::Send005(userrec* user)
 142 {
 143         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 144                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 145 }
 146
 147 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 148 {
 149         int count = ConfValueEnum(this->config_data, tag);
 150
 151         if (count > 1)
 152         {
 153                 if (bail)
 154                 {
 155                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 156                         InspIRCd::Exit(EXIT_STATUS_CONFIG);
 157                 }
 158                 else
 159                 {
 160                         if (user)
 161                         {
 162                                 user->WriteServ("There were errors in your configuration:");
 163                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 164                         }
 165                         else
 166                         {
 167                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 168                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 169                         }
 170                 }
 171                 return false;
 172         }
 173         if (count < 1)
 174         {
 175                 if (bail)
 176                 {
 177                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 178                         InspIRCd::Exit(EXIT_STATUS_CONFIG);
 179                 }
 180                 else
 181                 {
 182                         if (user)
 183                         {
 184                                 user->WriteServ("There were errors in your configuration:");
 185                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 186                         }
 187                         else
 188                         {
 189                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 190                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 191                         }
 192                 }
 193                 return false;
 194         }
 195         return true;
 196 }
 197
 198 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 199 {
 200         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 201         return true;
 202 }
 203
 204 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 205 {
 206         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 207         {
 208                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 209                 data.Set(20);
 210         }
 211         return true;
 212 }
 213
 214 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 215 {
 216         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 217         {
 218                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 219                 data.Set(MAXCLIENTS);
 220         }
 221         return true;
 222 }
 223
 224 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 225 {
 226         if (data.GetInteger() > SOMAXCONN)
 227                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 228         if (!data.GetInteger())
 229                 data.Set(SOMAXCONN);
 230         return true;
 231 }
 232
 233 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 234 {
 235         if (!data.GetInteger())
 236                 data.Set(5);
 237         return true;
 238 }
 239
 240 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 241 {
 242         std::stringstream dcmds(data);
 243         std::string thiscmd;
 244
 245         /* Enable everything first */
 246         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 247                 x->second->Disable(false);
 248
 249         /* Now disable all the ones which the user wants disabled */
 250         while (dcmds >> thiscmd)
 251         {
 252                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 253                 if (cm != ServerInstance->Parser->cmdlist.end())
 254                 {
 255                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 256                         cm->second->Disable(true);
 257                 }
 258         }
 259         return true;
 260 }
 261
 262 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 263 {
 264         if (!*(data.GetString()))
 265         {
 266                 // attempt to look up their nameserver from /etc/resolv.conf
 267                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 268                 ifstream resolv("/etc/resolv.conf");
 269                 std::string nameserver;
 270                 bool found_server = false;
 271
 272                 if (resolv.is_open())
 273                 {
 274                         while (resolv >> nameserver)
 275                         {
 276                                 if ((nameserver == "nameserver") && (!found_server))
 277                                 {
 278                                         resolv >> nameserver;
 279                                         data.Set(nameserver.c_str());
 280                                         found_server = true;
 281                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 282                                 }
 283                         }
 284
 285                         if (!found_server)
 286                         {
 287                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 288                                 data.Set("127.0.0.1");
 289                         }
 290                 }
 291                 else
 292                 {
 293                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 294                         data.Set("127.0.0.1");
 295                 }
 296         }
 297         return true;
 298 }
 299
 300 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 301 {
 302         if (!*(data.GetString()))
 303                 data.Set(MOD_PATH);
 304         return true;
 305 }
 306
 307
 308 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 309 {
 310         if (!strchr(data.GetString(),'.'))
 311         {
 312                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 313                 std::string moo = std::string(data.GetString()).append(".");
 314                 data.Set(moo.c_str());
 315         }
 316         return true;
 317 }
 318
 319 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 320 {
 321         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 322         {
 323                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 324                 data.Set(10240);
 325         }
 326         return true;
 327 }
 328
 329 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 330 {
 331         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 332         {
 333                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 334                 data.Set(128);
 335         }
 336         return true;
 337 }
 338
 339 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 340 {
 341         std::string dbg = data.GetString();
 342         conf->LogLevel = DEFAULT;
 343
 344         if (dbg == "debug")
 345                 conf->LogLevel = DEBUG;
 346         else if (dbg  == "verbose")
 347                 conf->LogLevel = VERBOSE;
 348         else if (dbg == "default")
 349                 conf->LogLevel = DEFAULT;
 350         else if (dbg == "sparse")
 351                 conf->LogLevel = SPARSE;
 352         else if (dbg == "none")
 353                 conf->LogLevel = NONE;
 354
 355         conf->debugging = (conf->LogLevel == DEBUG);
 356
 357         return true;
 358 }
 359
 360 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 361 {
 362         conf->ReadFile(conf->MOTD, data.GetString());
 363         return true;
 364 }
 365
 366 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 367 {
 368         conf->ReadFile(conf->RULES, data.GetString());
 369         return true;
 370 }
 371
 372 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 373 {
 374         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 375
 376         if (conf->WhoWasGroupSize < 0)
 377                 conf->WhoWasGroupSize = 0;
 378
 379         if (conf->WhoWasMaxGroups < 0)
 380                 conf->WhoWasMaxGroups = 0;
 381
 382         if (conf->WhoWasMaxKeep < 3600)
 383         {
 384                 conf->WhoWasMaxKeep = 3600;
 385                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 386         }
 387         conf->GetInstance()->Log(DEBUG,"whowas:groupsize:%d maxgroups:%d maxkeep:%d",conf->WhoWasGroupSize,conf->WhoWasMaxGroups,conf->WhoWasMaxKeep);
 388         irc::whowas::PruneWhoWas(conf->GetInstance(), conf->GetInstance()->Time());
 389         return true;
 390 }
 391
 392 /* Callback called before processing the first <connect> tag
 393  */
 394 bool InitConnect(ServerConfig* conf, const char* tag)
 395 {
 396         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 397         conf->Classes.clear();
 398         return true;
 399 }
 400
 401 /* Callback called to process a single <connect> tag
 402  */
 403 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 404 {
 405         ConnectClass c;
 406         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 407         const char* deny = values[1].GetString();
 408         const char* password = values[2].GetString();
 409         int timeout = values[3].GetInteger();
 410         int pingfreq = values[4].GetInteger();
 411         int flood = values[5].GetInteger();
 412         int threshold = values[6].GetInteger();
 413         int sendq = values[7].GetInteger();
 414         int recvq = values[8].GetInteger();
 415         int localmax = values[9].GetInteger();
 416         int globalmax = values[10].GetInteger();
 417
 418         if (*allow)
 419         {
 420                 ConnectClass c(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax);
 421                 conf->Classes.push_back(c);
 422         }
 423         else
 424         {
 425                 ConnectClass c(deny);
 426                 conf->Classes.push_back(c);
 427         }
 428
 429         return true;
 430 }
 431
 432 /* Callback called when there are no more <connect> tags
 433  */
 434 bool DoneConnect(ServerConfig* conf, const char* tag)
 435 {
 436         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 437         return true;
 438 }
 439
 440 /* Callback called before processing the first <uline> tag
 441  */
 442 bool InitULine(ServerConfig* conf, const char* tag)
 443 {
 444         conf->ulines.clear();
 445         return true;
 446 }
 447
 448 /* Callback called to process a single <uline> tag
 449  */
 450 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 451 {
 452         const char* server = values[0].GetString();
 453         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 454         conf->ulines.push_back(server);
 455         return true;
 456 }
 457
 458 /* Callback called when there are no more <uline> tags
 459  */
 460 bool DoneULine(ServerConfig* conf, const char* tag)
 461 {
 462         return true;
 463 }
 464
 465 /* Callback called before processing the first <module> tag
 466  */
 467 bool InitModule(ServerConfig* conf, const char* tag)
 468 {
 469         old_module_names.clear();
 470         new_module_names.clear();
 471         added_modules.clear();
 472         removed_modules.clear();
 473         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 474         {
 475                 old_module_names.push_back(*t);
 476         }
 477         return true;
 478 }
 479
 480 /* Callback called to process a single <module> tag
 481  */
 482 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 483 {
 484         const char* modname = values[0].GetString();
 485         new_module_names.push_back(modname);
 486         return true;
 487 }
 488
 489 /* Callback called when there are no more <module> tags
 490  */
 491 bool DoneModule(ServerConfig* conf, const char* tag)
 492 {
 493         // now create a list of new modules that are due to be loaded
 494         // and a seperate list of modules which are due to be unloaded
 495         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 496         {
 497                 bool added = true;
 498
 499                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 500                 {
 501                         if (*old == *_new)
 502                                 added = false;
 503                 }
 504
 505                 if (added)
 506                         added_modules.push_back(*_new);
 507         }
 508
 509         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 510         {
 511                 bool removed = true;
 512                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 513                 {
 514                         if (*newm == *oldm)
 515                                 removed = false;
 516                 }
 517
 518                 if (removed)
 519                         removed_modules.push_back(*oldm);
 520         }
 521         return true;
 522 }
 523
 524 /* Callback called before processing the first <banlist> tag
 525  */
 526 bool InitMaxBans(ServerConfig* conf, const char* tag)
 527 {
 528         conf->maxbans.clear();
 529         return true;
 530 }
 531
 532 /* Callback called to process a single <banlist> tag
 533  */
 534 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 535 {
 536         const char* channel = values[0].GetString();
 537         int limit = values[1].GetInteger();
 538         conf->maxbans[channel] = limit;
 539         return true;
 540 }
 541
 542 /* Callback called when there are no more <banlist> tags.
 543  */
 544 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 545 {
 546         return true;
 547 }
 548
 549 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 550 {
 551         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 552         if (bail)
 553         {
 554                 /* Unneeded because of the ServerInstance->Log() aboive? */
 555                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 556                 InspIRCd::Exit(EXIT_STATUS_CONFIG);
 557         }
 558         else
 559         {
 560                 std::string errors = errormessage;
 561                 std::string::size_type start;
 562                 unsigned int prefixlen;
 563                 start = 0;
 564                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 565                 prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 566                 if (user)
 567                 {
 568                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 569                         while (start < errors.length())
 570                         {
 571                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 572                                 start += 510 - prefixlen;
 573                         }
 574                 }
 575                 else
 576                 {
 577                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 578                         while (start < errors.length())
 579                         {
 580                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 581                                 start += 360;
 582                         }
 583                 }
 584                 return;
 585         }
 586 }
 587
 588 void ServerConfig::Read(bool bail, userrec* user)
 589 {
 590         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 591         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 592         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 593         std::ostringstream errstr;      /* String stream containing the error output */
 594
 595         /* These tags MUST occur and must ONLY occur once in the config file */
 596         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 597
 598         /* These tags can occur ONCE or not at all */
 599         InitialConfig Values[] = {
 600                 {"options",             "softlimit",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 601                 {"options",             "somaxconn",                    new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 602                 {"server",              "name",                         new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 603                 {"server",              "description",                  new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 604                 {"server",              "network",                      new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 605                 {"admin",               "name",                         new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 606                 {"admin",               "email",                        new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 607                 {"admin",               "nick",                         new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 608                 {"files",               "motd",                         new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 609                 {"files",               "rules",                        new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 610                 {"power",               "diepass",                      new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 611                 {"power",               "pause",                        new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 612                 {"power",               "restartpass",                  new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 613                 {"options",             "prefixquit",                   new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 614                 {"options",             "loglevel",                     new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 615                 {"options",             "netbuffersize",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 616                 {"options",             "maxwho",                       new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 617                 {"options",             "allowhalfop",                  new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 618                 {"dns",                 "server",                       new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 619                 {"dns",                 "timeout",                      new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, ValidateDnsTimeout},
 620                 {"options",             "moduledir",                    new ValueContainerChar (this->ModPath),                 DT_CHARPTR, ValidateModPath},
 621                 {"disabled",            "commands",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 622                 {"options",             "userstats",                    new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 623                 {"options",             "customversion",                new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 624                 {"options",             "hidesplits",                   new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 625                 {"options",             "hidebans",                     new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 626                 {"options",             "hidewhois",                    new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 627                 {"options",             "operspywhois",                 new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 628                 {"options",             "nouserdns",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 629                 {"options",             "syntaxhints",                  new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 630                 {"options",             "cyclehosts",                   new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 631                 {"options",             "ircumsgprefix",                new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 632                 {"pid",                 "file",                         new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 633                 {"whowas",              "groupsize",                    new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 634                 {"whowas",              "maxgroups",                    new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 635                 {"whowas",              "maxkeep",                      new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 636                 {"die",                 "value",                        new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 637                 {NULL}
 638         };
 639
 640         /* These tags can occur multiple times, and therefore they have special code to read them
 641          * which is different to the code for reading the singular tags listed above.
 642          */
 643         MultiConfig MultiValues[] = {
 644
 645                 {"connect",
 646                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 647                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 648                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 649                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 650                                 InitConnect, DoConnect, DoneConnect},
 651
 652                 {"uline",
 653                                 {"server",      NULL},
 654                                 {DT_CHARPTR},
 655                                 InitULine,DoULine,DoneULine},
 656
 657                 {"banlist",
 658                                 {"chan",        "limit",        NULL},
 659                                 {DT_CHARPTR,    DT_INTEGER},
 660                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 661
 662                 {"module",
 663                                 {"name",        NULL},
 664                                 {DT_CHARPTR},
 665                                 InitModule, DoModule, DoneModule},
 666
 667                 {"badip",
 668                                 {"reason",      "ipmask",       NULL},
 669                                 {DT_CHARPTR,    DT_CHARPTR},
 670                                 InitXLine, DoZLine, DoneXLine},
 671
 672                 {"badnick",
 673                                 {"reason",      "nick",         NULL},
 674                                 {DT_CHARPTR,    DT_CHARPTR},
 675                                 InitXLine, DoQLine, DoneXLine},
 676
 677                 {"badhost",
 678                                 {"reason",      "host",         NULL},
 679                                 {DT_CHARPTR,    DT_CHARPTR},
 680                                 InitXLine, DoKLine, DoneXLine},
 681
 682                 {"exception",
 683                                 {"reason",      "host",         NULL},
 684                                 {DT_CHARPTR,    DT_CHARPTR},
 685                                 InitXLine, DoELine, DoneXLine},
 686
 687                 {"type",
 688                                 {"name",        "classes",      NULL},
 689                                 {DT_CHARPTR,    DT_CHARPTR},
 690                                 InitTypes, DoType, DoneClassesAndTypes},
 691
 692                 {"class",
 693                                 {"name",        "commands",     NULL},
 694                                 {DT_CHARPTR,    DT_CHARPTR},
 695                                 InitClasses, DoClass, DoneClassesAndTypes},
 696
 697                 {NULL}
 698         };
 699
 700         include_stack.clear();
 701
 702         /* Load and parse the config file, if there are any errors then explode */
 703
 704         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 705         ConfigDataHash newconfig;
 706
 707         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 708         {
 709                 /* If we succeeded, set the ircd config to the new one */
 710                 this->config_data = newconfig;
 711         }
 712         else
 713         {
 714                 ReportConfigError(errstr.str(), bail, user);
 715                 return;
 716         }
 717
 718         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 719         try
 720         {
 721                 /* Check we dont have more than one of singular tags, or any of them missing
 722                  */
 723                 for (int Index = 0; Once[Index]; Index++)
 724                         if (!CheckOnce(Once[Index], bail, user))
 725                                 return;
 726
 727                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 728                  */
 729                 for (int Index = 0; Values[Index].tag; Index++)
 730                 {
 731                         char item[MAXBUF];
 732                         int dt = Values[Index].datatype;
 733                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 734                         dt &= ~DT_ALLOW_NEWLINE;
 735
 736                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, item, MAXBUF, allow_newlines);
 737                         ValueItem vi(item);
 738
 739                         Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi);
 740
 741                         switch (Values[Index].datatype)
 742                         {
 743                                 case DT_CHARPTR:
 744                                 {
 745                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 746                                         vcc->Set(vi.GetString(), strlen(vi.GetString()));
 747                                 }
 748                                 break;
 749                                 case DT_INTEGER:
 750                                 {
 751                                         int val = vi.GetInteger();
 752                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 753                                         vci->Set(&val, sizeof(int));
 754                                 }
 755                                 break;
 756                                 case DT_BOOLEAN:
 757                                 {
 758                                         bool val = vi.GetBool();
 759                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 760                                         vcb->Set(&val, sizeof(bool));
 761                                 }
 762                                 break;
 763                                 default:
 764                                         /* You don't want to know what happens if someones bad code sends us here. */
 765                                 break;
 766                         }
 767
 768                         /* We're done with this now */
 769                         delete Values[Index].val;
 770                 }
 771
 772                 /* Read the multiple-tag items (class tags, connect tags, etc)
 773                  * and call the callbacks associated with them. We have three
 774                  * callbacks for these, a 'start', 'item' and 'end' callback.
 775                  */
 776                 for (int Index = 0; MultiValues[Index].tag; Index++)
 777                 {
 778                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 779
 780                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 781
 782                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 783                         {
 784                                 ValueList vl;
 785                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 786                                 {
 787                                         int dt = MultiValues[Index].datatype[valuenum];
 788                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 789                                         dt &= ~DT_ALLOW_NEWLINE;
 790
 791                                         switch (dt)
 792                                         {
 793                                                 case DT_CHARPTR:
 794                                                 {
 795                                                         char item[MAXBUF];
 796                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item, MAXBUF, allow_newlines))
 797                                                                 vl.push_back(ValueItem(item));
 798                                                         else
 799                                                                 vl.push_back(ValueItem(""));
 800                                                 }
 801                                                 break;
 802                                                 case DT_INTEGER:
 803                                                 {
 804                                                         int item = 0;
 805                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, item))
 806                                                                 vl.push_back(ValueItem(item));
 807                                                         else
 808                                                                 vl.push_back(ValueItem(0));
 809                                                 }
 810                                                 break;
 811                                                 case DT_BOOLEAN:
 812                                                 {
 813                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum);
 814                                                         vl.push_back(ValueItem(item));
 815                                                 }
 816                                                 break;
 817                                                 default:
 818                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 819                                                 break;
 820                                         }
 821                                 }
 822
 823                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 824                         }
 825
 826                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 827                 }
 828
 829         }
 830
 831         catch (CoreException &ce)
 832         {
 833                 ReportConfigError(ce.GetReason(), bail, user);
 834                 return;
 835         }
 836
 837         // write once here, to try it out and make sure its ok
 838         ServerInstance->WritePID(this->PID);
 839
 840         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 841
 842         /* If we're rehashing, let's load any new modules, and unload old ones
 843          */
 844         if (!bail)
 845         {
 846                 int found_ports = 0;
 847                 FailedPortList pl;
 848                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 849
 850                 if (pl.size())
 851                 {
 852                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 853                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 854                         int j = 1;
 855                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 856                         {
 857                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 858                         }
 859                 }
 860
 861                 if (!removed_modules.empty())
 862                 {
 863                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 864                         {
 865                                 if (ServerInstance->UnloadModule(removing->c_str()))
 866                                 {
 867                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 868
 869                                         if (user)
 870                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 871
 872                                         rem++;
 873                                 }
 874                                 else
 875                                 {
 876                                         if (user)
 877                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 878                                 }
 879                         }
 880                 }
 881
 882                 if (!added_modules.empty())
 883                 {
 884                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 885                         {
 886                                 if (ServerInstance->LoadModule(adding->c_str()))
 887                                 {
 888                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 889
 890                                         if (user)
 891                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 892
 893                                         add++;
 894                                 }
 895                                 else
 896                                 {
 897                                         if (user)
 898                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 899                                 }
 900                         }
 901                 }
 902
 903                 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());
 904         }
 905 }
 906
 907 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 908 {
 909         std::ifstream conf(filename);
 910         std::string line;
 911         char ch;
 912         long linenumber;
 913         bool in_tag;
 914         bool in_quote;
 915         bool in_comment;
 916
 917         linenumber = 1;
 918         in_tag = false;
 919         in_quote = false;
 920         in_comment = false;
 921
 922         /* Check if the file open failed first */
 923         if (!conf)
 924         {
 925                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 926                 return false;
 927         }
 928
 929         /* Fix the chmod of the file to restrict it to the current user and group */
 930         chmod(filename,0600);
 931
 932         for (unsigned int t = 0; t < include_stack.size(); t++)
 933         {
 934                 if (std::string(filename) == include_stack[t])
 935                 {
 936                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 937                         return false;
 938                 }
 939         }
 940
 941         /* It's not already included, add it to the list of files we've loaded */
 942         include_stack.push_back(filename);
 943
 944         /* Start reading characters... */
 945         while(conf.get(ch))
 946         {
 947                 /*
 948                  * Here we try and get individual tags on separate lines,
 949                  * this would be so easy if we just made people format
 950                  * their config files like that, but they don't so...
 951                  * We check for a '<' and then know the line is over when
 952                  * we get a '>' not inside quotes. If we find two '<' and
 953                  * no '>' then die with an error.
 954                  */
 955
 956                 if((ch == '#') && !in_quote)
 957                         in_comment = true;
 958
 959                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 960                 {
 961                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 962                         return false;
 963                 }*/
 964
 965                 switch(ch)
 966                 {
 967                         case '\n':
 968                                 if (in_quote)
 969                                 {
 970                                         ServerInstance->Log(DEBUG, "Got \\n inside value");
 971                                         line += '\n';
 972                                 }
 973                                 linenumber++;
 974                         case '\r':
 975                                 if (!in_quote)
 976                                         in_comment = false;
 977                         case '\0':
 978                                 continue;
 979                         case '\t':
 980                                 ch = ' ';
 981                 }
 982
 983                 if(in_comment)
 984                         continue;
 985
 986                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 987                  * Note that this WILL NOT usually allow insertion of newlines,
 988                  * because a newline is two characters long. Use it primarily to
 989                  * insert the " symbol.
 990                  *
 991                  * Note that this also involves a further check when parsing the line,
 992                  * which can be found below.
 993                  */
 994                 if ((ch == '\\') && (in_quote) && (in_tag))
 995                 {
 996                         line += ch;
 997                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 998                         char real_character;
 999                         if (conf.get(real_character))
1000                         {
1001                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
1002                                 if (real_character == 'n')
1003                                         real_character = '\n';
1004                                 line += real_character;
1005                                 continue;
1006                         }
1007                         else
1008                         {
1009                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1010                                 return false;
1011                         }
1012                 }
1013
1014                 if (ch != '\r')
1015                         line += ch;
1016
1017                 if(ch == '<')
1018                 {
1019                         if(in_tag)
1020                         {
1021                                 if(!in_quote)
1022                                 {
1023                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1024                                         return false;
1025                                 }
1026                         }
1027                         else
1028                         {
1029                                 if(in_quote)
1030                                 {
1031                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1032                                         return false;
1033                                 }
1034                                 else
1035                                 {
1036                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1037                                         in_tag = true;
1038                                 }
1039                         }
1040                 }
1041                 else if(ch == '"')
1042                 {
1043                         if(in_tag)
1044                         {
1045                                 if(in_quote)
1046                                 {
1047                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1048                                         in_quote = false;
1049                                 }
1050                                 else
1051                                 {
1052                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1053                                         in_quote = true;
1054                                 }
1055                         }
1056                         else
1057                         {
1058                                 if(in_quote)
1059                                 {
1060                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1061                                 }
1062                                 else
1063                                 {
1064                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1065                                 }
1066                         }
1067                 }
1068                 else if(ch == '>')
1069                 {
1070                         if(!in_quote)
1071                         {
1072                                 if(in_tag)
1073                                 {
1074                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1075                                         in_tag = false;
1076
1077                                         /*
1078                                          * If this finds an <include> then ParseLine can simply call
1079                                          * LoadConf() and load the included config into the same ConfigDataHash
1080                                          */
1081
1082                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1083                                                 return false;
1084
1085                                         line.clear();
1086                                 }
1087                                 else
1088                                 {
1089                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1090                                         return false;
1091                                 }
1092                         }
1093                 }
1094         }
1095
1096         return true;
1097 }
1098
1099 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1100 {
1101         return this->LoadConf(target, filename.c_str(), errorstream);
1102 }
1103
1104 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1105 {
1106         std::string tagname;
1107         std::string current_key;
1108         std::string current_value;
1109         KeyValList results;
1110         bool got_name;
1111         bool got_key;
1112         bool in_quote;
1113
1114         got_name = got_key = in_quote = false;
1115
1116         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1117
1118         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1119         {
1120                 if(!got_name)
1121                 {
1122                         /* We don't know the tag name yet. */
1123
1124                         if(*c != ' ')
1125                         {
1126                                 if(*c != '<')
1127                                 {
1128                                         tagname += *c;
1129                                 }
1130                         }
1131                         else
1132                         {
1133                                 /* We got to a space, we should have the tagname now. */
1134                                 if(tagname.length())
1135                                 {
1136                                         got_name = true;
1137                                 }
1138                         }
1139                 }
1140                 else
1141                 {
1142                         /* We have the tag name */
1143                         if (!got_key)
1144                         {
1145                                 /* We're still reading the key name */
1146                                 if (*c != '=')
1147                                 {
1148                                         if (*c != ' ')
1149                                         {
1150                                                 current_key += *c;
1151                                         }
1152                                 }
1153                                 else
1154                                 {
1155                                         /* We got an '=', end of the key name. */
1156                                         got_key = true;
1157                                 }
1158                         }
1159                         else
1160                         {
1161                                 /* We have the key name, now we're looking for quotes and the value */
1162
1163                                 /* Correctly handle escaped characters here.
1164                                  * See the XXX'ed section above.
1165                                  */
1166                                 if ((*c == '\\') && (in_quote))
1167                                 {
1168                                         c++;
1169                                         if (*c == 'n')
1170                                                 current_value += '\n';
1171                                         else
1172                                                 current_value += *c;
1173                                         continue;
1174                                 }
1175                                 else if ((*c == '\n') && (in_quote))
1176                                 {
1177                                         /* Got a 'real' \n, treat it as part of the value */
1178                                         current_value += '\n';
1179                                         continue;
1180                                 }
1181                                 else if ((*c == '\r') && (in_quote))
1182                                         /* Got a \r, drop it */
1183                                         continue;
1184
1185                                 if (*c == '"')
1186                                 {
1187                                         if (!in_quote)
1188                                         {
1189                                                 /* We're not already in a quote. */
1190                                                 in_quote = true;
1191                                         }
1192                                         else
1193                                         {
1194                                                 /* Leaving quotes, we have the value */
1195                                                 results.push_back(KeyVal(current_key, current_value));
1196
1197                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1198
1199                                                 in_quote = false;
1200                                                 got_key = false;
1201
1202                                                 if((tagname == "include") && (current_key == "file"))
1203                                                 {
1204                                                         if(!this->DoInclude(target, current_value, errorstream))
1205                                                                 return false;
1206                                                 }
1207
1208                                                 current_key.clear();
1209                                                 current_value.clear();
1210                                         }
1211                                 }
1212                                 else
1213                                 {
1214                                         if(in_quote)
1215                                         {
1216                                                 current_value += *c;
1217                                         }
1218                                 }
1219                         }
1220                 }
1221         }
1222
1223         /* Finished parsing the tag, add it to the config hash */
1224         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1225
1226         return true;
1227 }
1228
1229 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1230 {
1231         std::string confpath;
1232         std::string newfile;
1233         std::string::size_type pos;
1234
1235         confpath = CONFIG_FILE;
1236         newfile = file;
1237
1238         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1239         {
1240                 if (*c == '\\')
1241                 {
1242                         *c = '/';
1243                 }
1244         }
1245
1246         if (file[0] != '/')
1247         {
1248                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1249                 {
1250                         /* Leaves us with just the path */
1251                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1252                 }
1253                 else
1254                 {
1255                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1256                         return false;
1257                 }
1258         }
1259
1260         return LoadConf(target, newfile, errorstream);
1261 }
1262
1263 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1264 {
1265         std::string value;
1266         bool r = ConfValue(target, std::string(tag), std::string(var), index, value, allow_linefeeds);
1267         strlcpy(result, value.c_str(), length);
1268         return r;
1269 }
1270
1271 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1272 {
1273         ConfigDataHash::size_type pos = index;
1274         if((pos >= 0) && (pos < target.count(tag)))
1275         {
1276                 ConfigDataHash::iterator iter = target.find(tag);
1277
1278                 for(int i = 0; i < index; i++)
1279                         iter++;
1280
1281                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1282                 {
1283                         if(j->first == var)
1284                         {
1285                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1286                                 {
1287                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1288                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1289                                                 if (*n == '\n')
1290                                                         *n = ' ';
1291                                 }
1292                                 else
1293                                 {
1294                                         result = j->second;
1295                                         return true;
1296                                 }
1297                         }
1298                 }
1299         }
1300         else if(pos == 0)
1301         {
1302                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1303         }
1304         else
1305         {
1306                 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());
1307         }
1308
1309         return false;
1310 }
1311
1312 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1313 {
1314         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1315 }
1316
1317 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1318 {
1319         std::string value;
1320         std::istringstream stream;
1321         bool r = ConfValue(target, tag, var, index, value);
1322         stream.str(value);
1323         if(!(stream >> result))
1324                 return false;
1325         return r;
1326 }
1327
1328 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1329 {
1330         return ConfValueBool(target, std::string(tag), std::string(var), index);
1331 }
1332
1333 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1334 {
1335         std::string result;
1336         if(!ConfValue(target, tag, var, index, result))
1337                 return false;
1338
1339         return ((result == "yes") || (result == "true") || (result == "1"));
1340 }
1341
1342 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1343 {
1344         return target.count(tag);
1345 }
1346
1347 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1348 {
1349         return target.count(tag);
1350 }
1351
1352 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1353 {
1354         return ConfVarEnum(target, std::string(tag), index);
1355 }
1356
1357 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1358 {
1359         ConfigDataHash::size_type pos = index;
1360
1361         if((pos >= 0) && (pos < target.count(tag)))
1362         {
1363                 ConfigDataHash::const_iterator iter = target.find(tag);
1364
1365                 for(int i = 0; i < index; i++)
1366                         iter++;
1367
1368                 return iter->second.size();
1369         }
1370         else if(pos == 0)
1371         {
1372                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1373         }
1374         else
1375         {
1376                 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());
1377         }
1378
1379         return 0;
1380 }
1381
1382 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1383  */
1384 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1385 {
1386         FILE* file = NULL;
1387         char linebuf[MAXBUF];
1388
1389         F.clear();
1390
1391         if (*fname != '/')
1392         {
1393                 std::string::size_type pos;
1394                 std::string confpath = CONFIG_FILE;
1395                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1396                 {
1397                         /* Leaves us with just the path */
1398                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1399                         file =  fopen(newfile.c_str(), "r");
1400
1401                 }
1402         }
1403         else
1404                 file =  fopen(fname, "r");
1405
1406         if (file)
1407         {
1408                 while (!feof(file))
1409                 {
1410                         if (fgets(linebuf, sizeof(linebuf), file))
1411                                 linebuf[strlen(linebuf)-1] = 0;
1412                         else
1413                                 *linebuf = 0;
1414
1415                         if (!feof(file))
1416                         {
1417                                 F.push_back(*linebuf ? linebuf : " ");
1418                         }
1419                 }
1420
1421                 fclose(file);
1422         }
1423         else
1424                 return false;
1425
1426         return true;
1427 }
1428
1429 bool ServerConfig::FileExists(const char* file)
1430 {
1431         FILE *input;
1432         if ((input = fopen (file, "r")) == NULL)
1433         {
1434                 return false;
1435         }
1436         else
1437         {
1438                 fclose(input);
1439                 return true;
1440         }
1441 }
1442
1443 char* ServerConfig::CleanFilename(char* name)
1444 {
1445         char* p = name + strlen(name);
1446         while ((p != name) && (*p != '/')) p--;
1447         return (p != name ? ++p : p);
1448 }
1449
1450
1451 bool ServerConfig::DirValid(const char* dirandfile)
1452 {
1453         char work[MAXBUF];
1454         char buffer[MAXBUF];
1455         char otherdir[MAXBUF];
1456         int p;
1457
1458         strlcpy(work, dirandfile, MAXBUF);
1459         p = strlen(work);
1460
1461         // we just want the dir
1462         while (*work)
1463         {
1464                 if (work[p] == '/')
1465                 {
1466                         work[p] = '\0';
1467                         break;
1468                 }
1469
1470                 work[p--] = '\0';
1471         }
1472
1473         // Get the current working directory
1474         if (getcwd(buffer, MAXBUF ) == NULL )
1475                 return false;
1476
1477         if (chdir(work) == -1)
1478                 return false;
1479
1480         if (getcwd(otherdir, MAXBUF ) == NULL )
1481                 return false;
1482
1483         if (chdir(buffer) == -1)
1484                 return false;
1485
1486         size_t t = strlen(work);
1487
1488         if (strlen(otherdir) >= t)
1489         {
1490                 otherdir[t] = '\0';
1491
1492                 if (!strcmp(otherdir,work))
1493                 {
1494                         return true;
1495                 }
1496
1497                 return false;
1498         }
1499         else
1500         {
1501                 return false;
1502         }
1503 }
1504
1505 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1506 {
1507         char work[MAXBUF];
1508         char buffer[MAXBUF];
1509         char otherdir[MAXBUF];
1510         int p;
1511
1512         strlcpy(work,argv[0],MAXBUF);
1513         p = strlen(work);
1514
1515         // we just want the dir
1516         while (*work)
1517         {
1518                 if (work[p] == '/')
1519                 {
1520                         work[p] = '\0';
1521                         break;
1522                 }
1523
1524                 work[p--] = '\0';
1525         }
1526
1527         // Get the current working directory
1528         if (getcwd(buffer, MAXBUF) == NULL)
1529                 return "";
1530
1531         if (chdir(work) == -1)
1532                 return "";
1533
1534         if (getcwd(otherdir, MAXBUF) == NULL)
1535                 return "";
1536
1537         if (chdir(buffer) == -1)
1538                 return "";
1539
1540         return otherdir;
1541 }
1542
1543 InspIRCd* ServerConfig::GetInstance()
1544 {
1545         return ServerInstance;
1546 }
1547
1548
1549 ValueItem::ValueItem(int value)
1550 {
1551         std::stringstream n;
1552         n << value;
1553         v = n.str();
1554 }
1555
1556 ValueItem::ValueItem(bool value)
1557 {
1558         std::stringstream n;
1559         n << value;
1560         v = n.str();
1561 }
1562
1563 ValueItem::ValueItem(char* value)
1564 {
1565         v = value;
1566 }
1567
1568 void ValueItem::Set(char* value)
1569 {
1570         v = value;
1571 }
1572
1573 void ValueItem::Set(const char* value)
1574 {
1575         v = value;
1576 }
1577
1578 void ValueItem::Set(int value)
1579 {
1580         std::stringstream n;
1581         n << value;
1582         v = n.str();
1583 }
1584
1585 int ValueItem::GetInteger()
1586 {
1587         if (v.empty())
1588                 return 0;
1589         return atoi(v.c_str());
1590 }
1591
1592 char* ValueItem::GetString()
1593 {
1594         return (char*)v.c_str();
1595 }
1596
1597 bool ValueItem::GetBool()
1598 {
1599         return (GetInteger() || v == "yes" || v == "true");
1600 }
1601