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 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = MAXCLIENTS;
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         LogLevel = DEFAULT;
  57         maxbans.clear();
  58         DNSServerValidator = &ValidateDnsServer;
  59 }
  60
  61 void ServerConfig::ClearStack()
  62 {
  63         include_stack.clear();
  64 }
  65
  66 Module* ServerConfig::GetIOHook(int port)
  67 {
  68         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  69         return (x != IOHookModule.end() ? x->second : NULL);
  70 }
  71
  72 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  73 {
  74         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  75         return (x != SocketIOHookModule.end() ? x->second : NULL);
  76 }
  77
  78 bool ServerConfig::AddIOHook(int port, Module* iomod)
  79 {
  80         if (!GetIOHook(port))
  81         {
  82                 IOHookModule[port] = iomod;
  83                 return true;
  84         }
  85         else
  86         {
  87                 throw ModuleException("Port already hooked by another module");
  88                 return false;
  89         }
  90 }
  91
  92 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  93 {
  94         if (!GetIOHook(is))
  95         {
  96                 SocketIOHookModule[is] = iomod;
  97                 is->IsIOHooked = true;
  98                 return true;
  99         }
 100         else
 101         {
 102                 throw ModuleException("BufferedSocket derived class already hooked by another module");
 103                 return false;
 104         }
 105 }
 106
 107 bool ServerConfig::DelIOHook(int port)
 108 {
 109         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 110         if (x != IOHookModule.end())
 111         {
 112                 IOHookModule.erase(x);
 113                 return true;
 114         }
 115         return false;
 116 }
 117
 118 bool ServerConfig::DelIOHook(BufferedSocket* is)
 119 {
 120         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 121         if (x != SocketIOHookModule.end())
 122         {
 123                 SocketIOHookModule.erase(x);
 124                 return true;
 125         }
 126         return false;
 127 }
 128
 129 void ServerConfig::Update005()
 130 {
 131         std::stringstream out(data005);
 132         std::string token;
 133         std::string line5;
 134         int token_counter = 0;
 135         isupport.clear();
 136         while (out >> token)
 137         {
 138                 line5 = line5 + token + " ";
 139                 token_counter++;
 140                 if (token_counter >= 13)
 141                 {
 142                         char buf[MAXBUF];
 143                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                         isupport.push_back(buf);
 145                         line5.clear();
 146                         token_counter = 0;
 147                 }
 148         }
 149         if (!line5.empty())
 150         {
 151                 char buf[MAXBUF];
 152                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 153                 isupport.push_back(buf);
 154         }
 155 }
 156
 157 void ServerConfig::Send005(User* user)
 158 {
 159         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 160                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 161 }
 162
 163 bool ServerConfig::CheckOnce(char* tag)
 164 {
 165         int count = ConfValueEnum(this->config_data, tag);
 166
 167         if (count > 1)
 168         {
 169                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 170                 return false;
 171         }
 172         if (count < 1)
 173         {
 174                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 175                 return false;
 176         }
 177         return true;
 178 }
 179
 180 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 181 {
 182         return true;
 183 }
 184
 185 bool DoneConfItem(ServerConfig* conf, const char* tag)
 186 {
 187         return true;
 188 }
 189
 190 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
 191 {
 192         for (const char* ptr = p; *ptr; ++ptr)
 193         {
 194                 if (*ptr == ' ')
 195                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
 196         }
 197 }
 198
 199 /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
 200  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
 201  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
 202  */
 203 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
 204 {
 205         int num_dots = 0;
 206         int num_seps = 0;
 207         int not_numbers = false;
 208         int not_hex = false;
 209
 210         if (*p)
 211         {
 212                 if (*p == '.')
 213                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 214
 215                 for (const char* ptr = p; *ptr; ++ptr)
 216                 {
 217                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
 218                                 continue;
 219
 220                         if (*ptr != ':' && *ptr != '.')
 221                         {
 222                                 if (*ptr < '0' || *ptr > '9')
 223                                         not_numbers = true;
 224                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
 225                                         not_hex = true;
 226                         }
 227                         switch (*ptr)
 228                         {
 229                                 case ' ':
 230                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 231                                 case '.':
 232                                         num_dots++;
 233                                 break;
 234                                 case ':':
 235                                         num_seps++;
 236                                 break;
 237                         }
 238                 }
 239
 240                 if (num_dots > 3)
 241                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
 242
 243                 if (num_seps > 8)
 244                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
 245
 246                 if (num_seps == 0 && num_dots < 3 && !wild)
 247                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
 248
 249                 if (num_seps == 0 && num_dots == 3 && not_numbers)
 250                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
 251
 252                 if (num_seps != 0 && not_hex)
 253                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
 254
 255                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
 256                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
 257         }
 258 }
 259
 260 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
 261 {
 262         int num_dots = 0;
 263         if (*p)
 264         {
 265                 if (*p == '.')
 266                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 267                 for (const char* ptr = p; *ptr; ++ptr)
 268                 {
 269                         switch (*ptr)
 270                         {
 271                                 case ' ':
 272                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 273                                 case '.':
 274                                         num_dots++;
 275                                 break;
 276                         }
 277                 }
 278                 if (num_dots == 0)
 279                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 280         }
 281 }
 282
 283 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 284 {
 285         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 286         {
 287                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 288                 data.Set(20);
 289         }
 290         return true;
 291 }
 292
 293 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 294 {
 295         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 296         {
 297                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 298                 data.Set(MAXCLIENTS);
 299         }
 300         return true;
 301 }
 302
 303 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 304 {
 305         if (data.GetInteger() > SOMAXCONN)
 306                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 307         return true;
 308 }
 309
 310 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 311 {
 312         std::stringstream dcmds(data);
 313         std::string thiscmd;
 314
 315         /* Enable everything first */
 316         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 317                 x->second->Disable(false);
 318
 319         /* Now disable all the ones which the user wants disabled */
 320         while (dcmds >> thiscmd)
 321         {
 322                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 323                 if (cm != ServerInstance->Parser->cmdlist.end())
 324                 {
 325                         cm->second->Disable(true);
 326                 }
 327         }
 328         return true;
 329 }
 330
 331 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 332 {
 333         if (!*(data.GetString()))
 334         {
 335                 std::string nameserver;
 336                 // attempt to look up their nameserver from /etc/resolv.conf
 337                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 338                 ifstream resolv("/etc/resolv.conf");
 339                 bool found_server = false;
 340
 341                 if (resolv.is_open())
 342                 {
 343                         while (resolv >> nameserver)
 344                         {
 345                                 if ((nameserver == "nameserver") && (!found_server))
 346                                 {
 347                                         resolv >> nameserver;
 348                                         data.Set(nameserver.c_str());
 349                                         found_server = true;
 350                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 351                                 }
 352                         }
 353
 354                         if (!found_server)
 355                         {
 356                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 357                                 data.Set("127.0.0.1");
 358                         }
 359                 }
 360                 else
 361                 {
 362                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 363                         data.Set("127.0.0.1");
 364                 }
 365         }
 366         return true;
 367 }
 368
 369 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 370 {
 371         /* If we already have a servername, and they changed it, we should throw an exception. */
 372         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 373         {
 374                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 375                 /* We don't actually reach this return of course... */
 376                 return false;
 377         }
 378         if (!strchr(data.GetString(),'.'))
 379         {
 380                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 381                 std::string moo = std::string(data.GetString()).append(".");
 382                 data.Set(moo.c_str());
 383         }
 384         return true;
 385 }
 386
 387 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 388 {
 389         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 390         {
 391                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 392                 data.Set(10240);
 393         }
 394         return true;
 395 }
 396
 397 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 398 {
 399         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 400         {
 401                 conf->GetInstance()->Log(DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 402                 data.Set(128);
 403         }
 404         return true;
 405 }
 406
 407 bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
 408 {
 409         std::string dbg = data.GetString();
 410         conf->LogLevel = DEFAULT;
 411
 412         if (dbg == "debug")
 413                 conf->LogLevel = DEBUG;
 414         else if (dbg  == "verbose")
 415                 conf->LogLevel = VERBOSE;
 416         else if (dbg == "default")
 417                 conf->LogLevel = DEFAULT;
 418         else if (dbg == "sparse")
 419                 conf->LogLevel = SPARSE;
 420         else if (dbg == "none")
 421                 conf->LogLevel = NONE;
 422
 423         conf->debugging = (conf->LogLevel == DEBUG);
 424
 425         return true;
 426 }
 427
 428 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 429 {
 430         conf->ReadFile(conf->MOTD, data.GetString());
 431         return true;
 432 }
 433
 434 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 435 {
 436         if (!*data.GetString())
 437                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 438         return true;
 439 }
 440
 441 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 442 {
 443         conf->ReadFile(conf->RULES, data.GetString());
 444         return true;
 445 }
 446
 447 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 448 {
 449         memset(conf->HideModeLists, 0, 256);
 450         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 451                 conf->HideModeLists[*x] = true;
 452         return true;
 453 }
 454
 455 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 456 {
 457         memset(conf->ExemptChanOps, 0, 256);
 458         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 459                 conf->ExemptChanOps[*x] = true;
 460         return true;
 461 }
 462
 463 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 464 {
 465         std::string v = data.GetString();
 466
 467         if (v == "ops")
 468                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 469         else if (v == "all")
 470                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 471         else if (v == "dynamic")
 472                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 473         else
 474                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 475
 476         return true;
 477 }
 478
 479 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 480 {
 481         int sid = data.GetInteger();
 482         if ((sid > 999) || (sid < 0))
 483         {
 484                 sid = sid % 1000;
 485                 data.Set(sid);
 486                 conf->GetInstance()->Log(DEFAULT,"WARNING: Server ID is less than 0 or greater than 999. Set to %d", sid);
 487         }
 488         return true;
 489 }
 490
 491 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 492 {
 493         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 494
 495         if (conf->WhoWasGroupSize < 0)
 496                 conf->WhoWasGroupSize = 0;
 497
 498         if (conf->WhoWasMaxGroups < 0)
 499                 conf->WhoWasMaxGroups = 0;
 500
 501         if (conf->WhoWasMaxKeep < 3600)
 502         {
 503                 conf->WhoWasMaxKeep = 3600;
 504                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 505         }
 506
 507         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 508         if (whowas_command)
 509         {
 510                 std::deque<classbase*> params;
 511                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 512         }
 513
 514         return true;
 515 }
 516
 517 /* Callback called before processing the first <connect> tag
 518  */
 519 bool InitConnect(ServerConfig* conf, const char*)
 520 {
 521         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 522
 523         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
 524         {
 525                 ConnectClass *c = *i;
 526
 527                 conf->GetInstance()->Log(DEBUG, "Address of class is %p", c);
 528         }
 529
 530         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
 531         {
 532                 ConnectClass *c = *i;
 533
 534                 /* only delete a class with refcount 0 */
 535                 if (c->RefCount == 0)
 536                 {
 537                         conf->GetInstance()->Log(DEFAULT, "Removing connect class, refcount is 0!");
 538                         conf->Classes.erase(i);
 539                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 540                 }
 541
 542                 /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 543                 c->SetDisabled(true);
 544         }
 545
 546         return true;
 547 }
 548
 549 /* Callback called to process a single <connect> tag
 550  */
 551 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 552 {
 553         ConnectClass c;
 554         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 555         const char* deny = values[1].GetString();
 556         const char* password = values[2].GetString();
 557         int timeout = values[3].GetInteger();
 558         int pingfreq = values[4].GetInteger();
 559         int flood = values[5].GetInteger();
 560         int threshold = values[6].GetInteger();
 561         int sendq = values[7].GetInteger();
 562         int recvq = values[8].GetInteger();
 563         int localmax = values[9].GetInteger();
 564         int globalmax = values[10].GetInteger();
 565         int port = values[11].GetInteger();
 566         const char* name = values[12].GetString();
 567         const char* parent = values[13].GetString();
 568         int maxchans = values[14].GetInteger();
 569         unsigned long limit = values[15].GetInteger();
 570
 571         /*
 572          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 573          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 574          */
 575         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 576         {
 577                 ConnectClass* c = *item;
 578                 if ((*name && (c->GetName() == name)) || (*allow && (c->GetHost() == allow)) || (*deny && (c->GetHost() == deny)))
 579                 {
 580                         /* reenable class so users can be shoved into it :P */
 581                         c->SetDisabled(false);
 582                         conf->GetInstance()->Log(DEFAULT, "Not adding class, it already exists!");
 583                         return true;
 584                 }
 585         }
 586
 587         conf->GetInstance()->Log(DEFAULT,"Adding a connect class!");
 588
 589         if (*parent)
 590         {
 591                 /* Find 'parent' and inherit a new class from it,
 592                  * then overwrite any values that are set here
 593                  */
 594                 ClassVector::iterator item = conf->Classes.begin();
 595                 for (; item != conf->Classes.end(); ++item)
 596                 {
 597                         ConnectClass* c = *item;
 598                         conf->GetInstance()->Log(DEBUG,"Class: %s", c->GetName().c_str());
 599                         if (c->GetName() == parent)
 600                         {
 601                                 ConnectClass* newclass = new ConnectClass(name, c);
 602                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 603                                 conf->Classes.push_back(newclass);
 604                                 break;
 605                         }
 606                 }
 607                 if (item == conf->Classes.end())
 608                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 609         }
 610         else
 611         {
 612                 if (*allow)
 613                 {
 614                         ConnectClass* c = new ConnectClass(name, timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans);
 615                         c->limit = limit;
 616                         c->SetPort(port);
 617                         conf->Classes.push_back(c);
 618                 }
 619                 else
 620                 {
 621                         ConnectClass* c = new ConnectClass(name, deny);
 622                         c->SetPort(port);
 623                         conf->Classes.push_back(c);
 624                 }
 625         }
 626
 627         return true;
 628 }
 629
 630 /* Callback called when there are no more <connect> tags
 631  */
 632 bool DoneConnect(ServerConfig *conf, const char*)
 633 {
 634         conf->GetInstance()->Log(DEFAULT, "Done adding connect classes!");
 635         return true;
 636 }
 637
 638 /* Callback called before processing the first <uline> tag
 639  */
 640 bool InitULine(ServerConfig* conf, const char*)
 641 {
 642         conf->ulines.clear();
 643         return true;
 644 }
 645
 646 /* Callback called to process a single <uline> tag
 647  */
 648 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 649 {
 650         const char* server = values[0].GetString();
 651         const bool silent = values[1].GetBool();
 652         conf->ulines[server] = silent;
 653         return true;
 654 }
 655
 656 /* Callback called when there are no more <uline> tags
 657  */
 658 bool DoneULine(ServerConfig*, const char*)
 659 {
 660         return true;
 661 }
 662
 663 /* Callback called before processing the first <module> tag
 664  */
 665 bool InitModule(ServerConfig* conf, const char*)
 666 {
 667         old_module_names.clear();
 668         new_module_names.clear();
 669         added_modules.clear();
 670         removed_modules.clear();
 671         /** FIXME **/
 672         /*for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 673         {
 674                 old_module_names.push_back(*t);
 675         }*/
 676         return true;
 677 }
 678
 679 /* Callback called to process a single <module> tag
 680  */
 681 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 682 {
 683         const char* modname = values[0].GetString();
 684         new_module_names.push_back(modname);
 685         return true;
 686 }
 687
 688 /* Callback called when there are no more <module> tags
 689  */
 690 bool DoneModule(ServerConfig*, const char*)
 691 {
 692         // now create a list of new modules that are due to be loaded
 693         // and a seperate list of modules which are due to be unloaded
 694         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 695         {
 696                 bool added = true;
 697
 698                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 699                 {
 700                         if (*old == *_new)
 701                                 added = false;
 702                 }
 703
 704                 if (added)
 705                         added_modules.push_back(*_new);
 706         }
 707
 708         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 709         {
 710                 bool removed = true;
 711                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 712                 {
 713                         if (*newm == *oldm)
 714                                 removed = false;
 715                 }
 716
 717                 if (removed)
 718                         removed_modules.push_back(*oldm);
 719         }
 720         return true;
 721 }
 722
 723 /* Callback called before processing the first <banlist> tag
 724  */
 725 bool InitMaxBans(ServerConfig* conf, const char*)
 726 {
 727         conf->maxbans.clear();
 728         return true;
 729 }
 730
 731 /* Callback called to process a single <banlist> tag
 732  */
 733 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 734 {
 735         const char* channel = values[0].GetString();
 736         int limit = values[1].GetInteger();
 737         conf->maxbans[channel] = limit;
 738         return true;
 739 }
 740
 741 /* Callback called when there are no more <banlist> tags.
 742  */
 743 bool DoneMaxBans(ServerConfig*, const char*)
 744 {
 745         return true;
 746 }
 747
 748 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 749 {
 750         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 751         if (bail)
 752         {
 753                 /* Unneeded because of the ServerInstance->Log() aboive? */
 754                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 755                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 756         }
 757         else
 758         {
 759                 std::string errors = errormessage;
 760                 std::string::size_type start;
 761                 unsigned int prefixlen;
 762                 start = 0;
 763                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 764                 if (user)
 765                 {
 766                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 767                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 768                         while (start < errors.length())
 769                         {
 770                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 771                                 start += 510 - prefixlen;
 772                         }
 773                 }
 774                 else
 775                 {
 776                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 777                         while (start < errors.length())
 778                         {
 779                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 780                                 start += 360;
 781                         }
 782                 }
 783                 return;
 784         }
 785 }
 786
 787 void ServerConfig::Read(bool bail, User* user)
 788 {
 789         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 790         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 791         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 792         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 793         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 794         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 795         std::ostringstream errstr;      /* String stream containing the error output */
 796
 797         /* These tags MUST occur and must ONLY occur once in the config file */
 798         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 799
 800         /* These tags can occur ONCE or not at all */
 801         InitialConfig Values[] = {
 802                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 803                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 804                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 805                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 806                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 807                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 808                 {"server",      "id",           "0",                    new ValueContainerInt  (&this->sid),                    DT_NOSPACES, ValidateSID},
 809                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 810                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 811                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 812                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 813                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 814                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 815                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 816                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 817                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 818                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 819                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 820                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 821                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 822                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 823                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 824                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 825                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 826                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 827                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 828                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 829                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 830                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 831                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 832                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 833                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 834                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 835                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 836                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 837                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 838                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 839                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 840                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 841                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 842                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 843                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 844                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 845                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 846                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 847                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 848                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 849                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 850                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 851                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 852                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 853         };
 854
 855         /* These tags can occur multiple times, and therefore they have special code to read them
 856          * which is different to the code for reading the singular tags listed above.
 857          */
 858         MultiConfig MultiValues[] = {
 859
 860                 {"connect",
 861                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 862                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 863                                 "name",         "parent",       "maxchans",     "limit",
 864                                 NULL},
 865                                 {"",            "",             "",             "",             "120",          "",
 866                                  "",            "",             "",             "3",            "3",            "0",
 867                                  "",            "",             "0",        "0",
 868                                  NULL},
 869                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 870                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 871                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 872                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 873                                  DT_NOSPACES,   DT_NOSPACES,    DT_INTEGER,     DT_INTEGER},
 874                                 InitConnect, DoConnect, DoneConnect},
 875
 876                 {"uline",
 877                                 {"server",      "silent",       NULL},
 878                                 {"",            "0",            NULL},
 879                                 {DT_HOSTNAME,   DT_BOOLEAN},
 880                                 InitULine,DoULine,DoneULine},
 881
 882                 {"banlist",
 883                                 {"chan",        "limit",        NULL},
 884                                 {"",            "",             NULL},
 885                                 {DT_CHARPTR,    DT_INTEGER},
 886                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 887
 888                 {"module",
 889                                 {"name",        NULL},
 890                                 {"",            NULL},
 891                                 {DT_CHARPTR},
 892                                 InitModule, DoModule, DoneModule},
 893
 894                 {"badip",
 895                                 {"reason",      "ipmask",       NULL},
 896                                 {"No reason",   "",             NULL},
 897                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 898                                 InitXLine, DoZLine, DoneConfItem},
 899
 900                 {"badnick",
 901                                 {"reason",      "nick",         NULL},
 902                                 {"No reason",   "",             NULL},
 903                                 {DT_CHARPTR,    DT_CHARPTR},
 904                                 InitXLine, DoQLine, DoneConfItem},
 905
 906                 {"badhost",
 907                                 {"reason",      "host",         NULL},
 908                                 {"No reason",   "",             NULL},
 909                                 {DT_CHARPTR,    DT_CHARPTR},
 910                                 InitXLine, DoKLine, DoneConfItem},
 911
 912                 {"exception",
 913                                 {"reason",      "host",         NULL},
 914                                 {"No reason",   "",             NULL},
 915                                 {DT_CHARPTR,    DT_CHARPTR},
 916                                 InitXLine, DoELine, DoneELine},
 917
 918                 {"type",
 919                                 {"name",        "classes",      NULL},
 920                                 {"",            "",             NULL},
 921                                 {DT_NOSPACES,   DT_CHARPTR},
 922                                 InitTypes, DoType, DoneClassesAndTypes},
 923
 924                 {"class",
 925                                 {"name",        "commands",     NULL},
 926                                 {"",            "",             NULL},
 927                                 {DT_NOSPACES,   DT_CHARPTR},
 928                                 InitClasses, DoClass, DoneClassesAndTypes},
 929
 930                 {NULL,
 931                                 {NULL},
 932                                 {NULL},
 933                                 {0},
 934                                 NULL, NULL, NULL}
 935         };
 936
 937         include_stack.clear();
 938
 939         /* Load and parse the config file, if there are any errors then explode */
 940
 941         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 942         ConfigDataHash newconfig;
 943
 944         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
 945         {
 946                 /* If we succeeded, set the ircd config to the new one */
 947                 this->config_data = newconfig;
 948         }
 949         else
 950         {
 951                 ReportConfigError(errstr.str(), bail, user);
 952                 return;
 953         }
 954
 955         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 956         try
 957         {
 958                 /* Check we dont have more than one of singular tags, or any of them missing
 959                  */
 960                 for (int Index = 0; Once[Index]; Index++)
 961                         if (!CheckOnce(Once[Index]))
 962                                 return;
 963
 964                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 965                  */
 966                 for (int Index = 0; Values[Index].tag; Index++)
 967                 {
 968                         char item[MAXBUF];
 969                         int dt = Values[Index].datatype;
 970                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 971                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 972                         dt &= ~DT_ALLOW_NEWLINE;
 973                         dt &= ~DT_ALLOW_WILD;
 974
 975                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 976                         ValueItem vi(item);
 977
 978                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 979                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 980
 981                         switch (Values[Index].datatype)
 982                         {
 983                                 case DT_NOSPACES:
 984                                 {
 985                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 986                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 987                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 988                                 }
 989                                 break;
 990                                 case DT_HOSTNAME:
 991                                 {
 992                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 993                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 994                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 995                                 }
 996                                 break;
 997                                 case DT_IPADDRESS:
 998                                 {
 999                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1000                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1001                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1002                                 }
1003                                 break;
1004                                 case DT_CHANNEL:
1005                                 {
1006                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1007                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1008                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1009                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1010                                 }
1011                                 break;
1012                                 case DT_CHARPTR:
1013                                 {
1014                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1015                                         /* Make sure we also copy the null terminator */
1016                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1017                                 }
1018                                 break;
1019                                 case DT_INTEGER:
1020                                 {
1021                                         int val = vi.GetInteger();
1022                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1023                                         vci->Set(&val, sizeof(int));
1024                                 }
1025                                 break;
1026                                 case DT_BOOLEAN:
1027                                 {
1028                                         bool val = vi.GetBool();
1029                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1030                                         vcb->Set(&val, sizeof(bool));
1031                                 }
1032                                 break;
1033                                 default:
1034                                         /* You don't want to know what happens if someones bad code sends us here. */
1035                                 break;
1036                         }
1037
1038                         /* We're done with this now */
1039                         delete Values[Index].val;
1040                 }
1041
1042                 /* Read the multiple-tag items (class tags, connect tags, etc)
1043                  * and call the callbacks associated with them. We have three
1044                  * callbacks for these, a 'start', 'item' and 'end' callback.
1045                  */
1046                 for (int Index = 0; MultiValues[Index].tag; Index++)
1047                 {
1048                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1049
1050                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1051
1052                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1053                         {
1054                                 ValueList vl;
1055                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1056                                 {
1057                                         int dt = MultiValues[Index].datatype[valuenum];
1058                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1059                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1060                                         dt &= ~DT_ALLOW_NEWLINE;
1061                                         dt &= ~DT_ALLOW_WILD;
1062
1063                                         switch (dt)
1064                                         {
1065                                                 case DT_NOSPACES:
1066                                                 {
1067                                                         char item[MAXBUF];
1068                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1069                                                                 vl.push_back(ValueItem(item));
1070                                                         else
1071                                                                 vl.push_back(ValueItem(""));
1072                                                         this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1073                                                 }
1074                                                 break;
1075                                                 case DT_HOSTNAME:
1076                                                 {
1077                                                         char item[MAXBUF];
1078                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1079                                                                 vl.push_back(ValueItem(item));
1080                                                         else
1081                                                                 vl.push_back(ValueItem(""));
1082                                                         this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1083                                                 }
1084                                                 break;
1085                                                 case DT_IPADDRESS:
1086                                                 {
1087                                                         char item[MAXBUF];
1088                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1089                                                                 vl.push_back(ValueItem(item));
1090                                                         else
1091                                                                 vl.push_back(ValueItem(""));
1092                                                         this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1093                                                 }
1094                                                 break;
1095                                                 case DT_CHANNEL:
1096                                                 {
1097                                                         char item[MAXBUF];
1098                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1099                                                                 vl.push_back(ValueItem(item));
1100                                                         else
1101                                                                 vl.push_back(ValueItem(""));
1102                                                         if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1103                                                                 throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1104                                                 }
1105                                                 break;
1106                                                 case DT_CHARPTR:
1107                                                 {
1108                                                         char item[MAXBUF];
1109                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1110                                                                 vl.push_back(ValueItem(item));
1111                                                         else
1112                                                                 vl.push_back(ValueItem(""));
1113                                                 }
1114                                                 break;
1115                                                 case DT_INTEGER:
1116                                                 {
1117                                                         int item = 0;
1118                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1119                                                                 vl.push_back(ValueItem(item));
1120                                                         else
1121                                                                 vl.push_back(ValueItem(0));
1122                                                 }
1123                                                 break;
1124                                                 case DT_BOOLEAN:
1125                                                 {
1126                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1127                                                         vl.push_back(ValueItem(item));
1128                                                 }
1129                                                 break;
1130                                                 default:
1131                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
1132                                                 break;
1133                                         }
1134                                 }
1135
1136                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1137                         }
1138
1139                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1140                 }
1141
1142         }
1143
1144         catch (CoreException &ce)
1145         {
1146                 ReportConfigError(ce.GetReason(), bail, user);
1147                 return;
1148         }
1149
1150         // write once here, to try it out and make sure its ok
1151         ServerInstance->WritePID(this->PID);
1152
1153         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1154
1155         /* If we're rehashing, let's load any new modules, and unload old ones
1156          */
1157         if (!bail)
1158         {
1159                 int found_ports = 0;
1160                 FailedPortList pl;
1161                 ServerInstance->BindPorts(false, found_ports, pl);
1162
1163                 if (pl.size() && user)
1164                 {
1165                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1166                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1167                         int j = 1;
1168                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1169                         {
1170                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1171                         }
1172                 }
1173
1174                 if (!removed_modules.empty())
1175                 {
1176                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1177                         {
1178                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1179                                 {
1180                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
1181
1182                                         if (user)
1183                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1184
1185                                         rem++;
1186                                 }
1187                                 else
1188                                 {
1189                                         if (user)
1190                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError());
1191                                 }
1192                         }
1193                 }
1194
1195                 if (!added_modules.empty())
1196                 {
1197                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1198                         {
1199                                 if (ServerInstance->Modules->Load(adding->c_str()))
1200                                 {
1201                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
1202
1203                                         if (user)
1204                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1205
1206                                         add++;
1207                                 }
1208                                 else
1209                                 {
1210                                         if (user)
1211                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError());
1212                                 }
1213                         }
1214                 }
1215
1216                 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());
1217         }
1218
1219         /** Note: This is safe, the method checks for user == NULL */
1220         ServerInstance->Parser->SetupCommandTable(user);
1221
1222         if (user)
1223                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1224         else
1225                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
1226 }
1227
1228 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
1229 {
1230         std::ifstream conf(filename);
1231         std::string line;
1232         char ch;
1233         long linenumber;
1234         bool in_tag;
1235         bool in_quote;
1236         bool in_comment;
1237         int character_count = 0;
1238
1239         linenumber = 1;
1240         in_tag = false;
1241         in_quote = false;
1242         in_comment = false;
1243
1244         /* Check if the file open failed first */
1245         if (!conf)
1246         {
1247                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1248                 return false;
1249         }
1250
1251         /* Fix the chmod of the file to restrict it to the current user and group */
1252         chmod(filename,0600);
1253
1254         for (unsigned int t = 0; t < include_stack.size(); t++)
1255         {
1256                 if (std::string(filename) == include_stack[t])
1257                 {
1258                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1259                         return false;
1260                 }
1261         }
1262
1263         /* It's not already included, add it to the list of files we've loaded */
1264         include_stack.push_back(filename);
1265
1266         /* Start reading characters... */
1267         while (conf.get(ch))
1268         {
1269
1270                 /*
1271                  * Fix for moronic windows issue spotted by Adremelech.
1272                  * Some windows editors save text files as utf-16, which is
1273                  * a total pain in the ass to parse. Users should save in the
1274                  * right config format! If we ever see a file where the first
1275                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1276                  * this is most likely a utf-16 file. Bail out and insult user.
1277                  */
1278                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1279                 {
1280                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1281                         return false;
1282                 }
1283
1284                 /*
1285                  * Here we try and get individual tags on separate lines,
1286                  * this would be so easy if we just made people format
1287                  * their config files like that, but they don't so...
1288                  * We check for a '<' and then know the line is over when
1289                  * we get a '>' not inside quotes. If we find two '<' and
1290                  * no '>' then die with an error.
1291                  */
1292
1293                 if ((ch == '#') && !in_quote)
1294                         in_comment = true;
1295
1296                 switch (ch)
1297                 {
1298                         case '\n':
1299                                 if (in_quote)
1300                                         line += '\n';
1301                                 linenumber++;
1302                         case '\r':
1303                                 if (!in_quote)
1304                                         in_comment = false;
1305                         case '\0':
1306                                 continue;
1307                         case '\t':
1308                                 ch = ' ';
1309                 }
1310
1311                 if(in_comment)
1312                         continue;
1313
1314                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1315                  * Note that this WILL NOT usually allow insertion of newlines,
1316                  * because a newline is two characters long. Use it primarily to
1317                  * insert the " symbol.
1318                  *
1319                  * Note that this also involves a further check when parsing the line,
1320                  * which can be found below.
1321                  */
1322                 if ((ch == '\\') && (in_quote) && (in_tag))
1323                 {
1324                         line += ch;
1325                         char real_character;
1326                         if (conf.get(real_character))
1327                         {
1328                                 if (real_character == 'n')
1329                                         real_character = '\n';
1330                                 line += real_character;
1331                                 continue;
1332                         }
1333                         else
1334                         {
1335                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1336                                 return false;
1337                         }
1338                 }
1339
1340                 if (ch != '\r')
1341                         line += ch;
1342
1343                 if (ch == '<')
1344                 {
1345                         if (in_tag)
1346                         {
1347                                 if (!in_quote)
1348                                 {
1349                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1350                                         return false;
1351                                 }
1352                         }
1353                         else
1354                         {
1355                                 if (in_quote)
1356                                 {
1357                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1358                                         return false;
1359                                 }
1360                                 else
1361                                 {
1362                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1363                                         in_tag = true;
1364                                 }
1365                         }
1366                 }
1367                 else if (ch == '"')
1368                 {
1369                         if (in_tag)
1370                         {
1371                                 if (in_quote)
1372                                 {
1373                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1374                                         in_quote = false;
1375                                 }
1376                                 else
1377                                 {
1378                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1379                                         in_quote = true;
1380                                 }
1381                         }
1382                         else
1383                         {
1384                                 if (in_quote)
1385                                 {
1386                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1387                                 }
1388                                 else
1389                                 {
1390                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1391                                 }
1392                         }
1393                 }
1394                 else if (ch == '>')
1395                 {
1396                         if (!in_quote)
1397                         {
1398                                 if (in_tag)
1399                                 {
1400                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1401                                         in_tag = false;
1402
1403                                         /*
1404                                          * If this finds an <include> then ParseLine can simply call
1405                                          * LoadConf() and load the included config into the same ConfigDataHash
1406                                          */
1407
1408                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1409                                                 return false;
1410
1411                                         line.clear();
1412                                 }
1413                                 else
1414                                 {
1415                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1416                                         return false;
1417                                 }
1418                         }
1419                 }
1420         }
1421
1422         /* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */
1423         if (in_comment || in_quote)
1424         {
1425                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1426                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1427         }
1428
1429         return true;
1430 }
1431
1432 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1433 {
1434         return this->LoadConf(target, filename.c_str(), errorstream);
1435 }
1436
1437 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1438 {
1439         std::string tagname;
1440         std::string current_key;
1441         std::string current_value;
1442         KeyValList results;
1443         bool got_name;
1444         bool got_key;
1445         bool in_quote;
1446
1447         got_name = got_key = in_quote = false;
1448
1449         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1450         {
1451                 if (!got_name)
1452                 {
1453                         /* We don't know the tag name yet. */
1454
1455                         if (*c != ' ')
1456                         {
1457                                 if (*c != '<')
1458                                 {
1459                                         tagname += *c;
1460                                 }
1461                         }
1462                         else
1463                         {
1464                                 /* We got to a space, we should have the tagname now. */
1465                                 if(tagname.length())
1466                                 {
1467                                         got_name = true;
1468                                 }
1469                         }
1470                 }
1471                 else
1472                 {
1473                         /* We have the tag name */
1474                         if (!got_key)
1475                         {
1476                                 /* We're still reading the key name */
1477                                 if (*c != '=')
1478                                 {
1479                                         if (*c != ' ')
1480                                         {
1481                                                 current_key += *c;
1482                                         }
1483                                 }
1484                                 else
1485                                 {
1486                                         /* We got an '=', end of the key name. */
1487                                         got_key = true;
1488                                 }
1489                         }
1490                         else
1491                         {
1492                                 /* We have the key name, now we're looking for quotes and the value */
1493
1494                                 /* Correctly handle escaped characters here.
1495                                  * See the XXX'ed section above.
1496                                  */
1497                                 if ((*c == '\\') && (in_quote))
1498                                 {
1499                                         c++;
1500                                         if (*c == 'n')
1501                                                 current_value += '\n';
1502                                         else
1503                                                 current_value += *c;
1504                                         continue;
1505                                 }
1506                                 else if ((*c == '\n') && (in_quote))
1507                                 {
1508                                         /* Got a 'real' \n, treat it as part of the value */
1509                                         current_value += '\n';
1510                                         linenumber++;
1511                                         continue;
1512                                 }
1513                                 else if ((*c == '\r') && (in_quote))
1514                                         /* Got a \r, drop it */
1515                                         continue;
1516
1517                                 if (*c == '"')
1518                                 {
1519                                         if (!in_quote)
1520                                         {
1521                                                 /* We're not already in a quote. */
1522                                                 in_quote = true;
1523                                         }
1524                                         else
1525                                         {
1526                                                 /* Leaving quotes, we have the value */
1527                                                 results.push_back(KeyVal(current_key, current_value));
1528
1529                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1530
1531                                                 in_quote = false;
1532                                                 got_key = false;
1533
1534                                                 if ((tagname == "include") && (current_key == "file"))
1535                                                 {
1536                                                         if (!this->DoInclude(target, current_value, errorstream))
1537                                                                 return false;
1538                                                 }
1539
1540                                                 current_key.clear();
1541                                                 current_value.clear();
1542                                         }
1543                                 }
1544                                 else
1545                                 {
1546                                         if (in_quote)
1547                                         {
1548                                                 current_value += *c;
1549                                         }
1550                                 }
1551                         }
1552                 }
1553         }
1554
1555         /* Finished parsing the tag, add it to the config hash */
1556         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1557
1558         return true;
1559 }
1560
1561 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1562 {
1563         std::string confpath;
1564         std::string newfile;
1565         std::string::size_type pos;
1566
1567         confpath = ServerInstance->ConfigFileName;
1568         newfile = file;
1569
1570         std::replace(newfile.begin(),newfile.end(),'\\','/');
1571         std::replace(confpath.begin(),confpath.end(),'\\','/');
1572
1573         if (newfile[0] != '/')
1574         {
1575                 if((pos = confpath.rfind("/")) != std::string::npos)
1576                 {
1577                         /* Leaves us with just the path */
1578                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1579                 }
1580                 else
1581                 {
1582                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1583                         return false;
1584                 }
1585         }
1586
1587         return LoadConf(target, newfile, errorstream);
1588 }
1589
1590 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1591 {
1592         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1593 }
1594
1595 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1596 {
1597         std::string value;
1598         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1599         strlcpy(result, value.c_str(), length);
1600         return r;
1601 }
1602
1603 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1604 {
1605         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1606 }
1607
1608 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds)
1609 {
1610         ConfigDataHash::size_type pos = index;
1611         if (pos < target.count(tag))
1612         {
1613                 ConfigDataHash::iterator iter = target.find(tag);
1614
1615                 for(int i = 0; i < index; i++)
1616                         iter++;
1617
1618                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1619                 {
1620                         if(j->first == var)
1621                         {
1622                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1623                                 {
1624                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1625                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1626                                                 if (*n == '\n')
1627                                                         *n = ' ';
1628                                 }
1629                                 else
1630                                 {
1631                                         result = j->second;
1632                                         return true;
1633                                 }
1634                         }
1635                 }
1636                 if (!default_value.empty())
1637                 {
1638                         result = default_value;
1639                         return true;
1640                 }
1641         }
1642         else if(pos == 0)
1643         {
1644                 if (!default_value.empty())
1645                 {
1646                         result = default_value;
1647                         return true;
1648                 }
1649         }
1650         return false;
1651 }
1652
1653 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1654 {
1655         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1656 }
1657
1658 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1659 {
1660         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1661 }
1662
1663 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1664 {
1665         return ConfValueInteger(target, tag, var, "", index, result);
1666 }
1667
1668 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1669 {
1670         std::string value;
1671         std::istringstream stream;
1672         bool r = ConfValue(target, tag, var, default_value, index, value);
1673         stream.str(value);
1674         if(!(stream >> result))
1675                 return false;
1676         else
1677         {
1678                 if (!value.empty())
1679                 {
1680                         if (value.substr(0,2) == "0x")
1681                         {
1682                                 char* endptr;
1683
1684                                 value.erase(0,2);
1685                                 result = strtol(value.c_str(), &endptr, 16);
1686
1687                                 /* No digits found */
1688                                 if (endptr == value.c_str())
1689                                         return false;
1690                         }
1691                         else
1692                         {
1693                                 char denominator = *(value.end() - 1);
1694                                 switch (toupper(denominator))
1695                                 {
1696                                         case 'K':
1697                                                 /* Kilobytes -> bytes */
1698                                                 result = result * 1024;
1699                                         break;
1700                                         case 'M':
1701                                                 /* Megabytes -> bytes */
1702                                                 result = result * 1024 * 1024;
1703                                         break;
1704                                         case 'G':
1705                                                 /* Gigabytes -> bytes */
1706                                                 result = result * 1024 * 1024 * 1024;
1707                                         break;
1708                                 }
1709                         }
1710                 }
1711         }
1712         return r;
1713 }
1714
1715
1716 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1717 {
1718         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1719 }
1720
1721 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1722 {
1723         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1724 }
1725
1726 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1727 {
1728         return ConfValueBool(target, tag, var, "", index);
1729 }
1730
1731 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1732 {
1733         std::string result;
1734         if(!ConfValue(target, tag, var, default_value, index, result))
1735                 return false;
1736
1737         return ((result == "yes") || (result == "true") || (result == "1"));
1738 }
1739
1740 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1741 {
1742         return target.count(tag);
1743 }
1744
1745 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1746 {
1747         return target.count(tag);
1748 }
1749
1750 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1751 {
1752         return ConfVarEnum(target, std::string(tag), index);
1753 }
1754
1755 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1756 {
1757         ConfigDataHash::size_type pos = index;
1758
1759         if (pos < target.count(tag))
1760         {
1761                 ConfigDataHash::const_iterator iter = target.find(tag);
1762
1763                 for(int i = 0; i < index; i++)
1764                         iter++;
1765
1766                 return iter->second.size();
1767         }
1768
1769         return 0;
1770 }
1771
1772 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1773  */
1774 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1775 {
1776         if (!fname || !*fname)
1777                 return false;
1778
1779         FILE* file = NULL;
1780         char linebuf[MAXBUF];
1781
1782         F.clear();
1783
1784         if ((*fname != '/') && (*fname != '\\'))
1785         {
1786                 std::string::size_type pos;
1787                 std::string confpath = ServerInstance->ConfigFileName;
1788                 std::string newfile = fname;
1789
1790                 if ((pos = confpath.rfind("/")) != std::string::npos)
1791                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1792                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1793                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1794
1795                 if (!FileExists(newfile.c_str()))
1796                         return false;
1797                 file =  fopen(newfile.c_str(), "r");
1798         }
1799         else
1800         {
1801                 if (!FileExists(fname))
1802                         return false;
1803                 file =  fopen(fname, "r");
1804         }
1805
1806         if (file)
1807         {
1808                 while (!feof(file))
1809                 {
1810                         if (fgets(linebuf, sizeof(linebuf), file))
1811                                 linebuf[strlen(linebuf)-1] = 0;
1812                         else
1813                                 *linebuf = 0;
1814
1815                         if (!feof(file))
1816                         {
1817                                 F.push_back(*linebuf ? linebuf : " ");
1818                         }
1819                 }
1820
1821                 fclose(file);
1822         }
1823         else
1824                 return false;
1825
1826         return true;
1827 }
1828
1829 bool ServerConfig::FileExists(const char* file)
1830 {
1831         struct stat sb;
1832         if (stat(file, &sb) == -1)
1833                 return false;
1834
1835         if ((sb.st_mode & S_IFDIR) > 0)
1836                 return false;
1837
1838         FILE *input;
1839         if ((input = fopen (file, "r")) == NULL)
1840                 return false;
1841         else
1842         {
1843                 fclose(input);
1844                 return true;
1845         }
1846 }
1847
1848 char* ServerConfig::CleanFilename(char* name)
1849 {
1850         char* p = name + strlen(name);
1851         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1852         return (p != name ? ++p : p);
1853 }
1854
1855
1856 bool ServerConfig::DirValid(const char* dirandfile)
1857 {
1858 #ifdef WINDOWS
1859         return true;
1860 #endif
1861
1862         char work[1024];
1863         char buffer[1024];
1864         char otherdir[1024];
1865         int p;
1866
1867         strlcpy(work, dirandfile, 1024);
1868         p = strlen(work);
1869
1870         // we just want the dir
1871         while (*work)
1872         {
1873                 if (work[p] == '/')
1874                 {
1875                         work[p] = '\0';
1876                         break;
1877                 }
1878
1879                 work[p--] = '\0';
1880         }
1881
1882         // Get the current working directory
1883         if (getcwd(buffer, 1024 ) == NULL )
1884                 return false;
1885
1886         if (chdir(work) == -1)
1887                 return false;
1888
1889         if (getcwd(otherdir, 1024 ) == NULL )
1890                 return false;
1891
1892         if (chdir(buffer) == -1)
1893                 return false;
1894
1895         size_t t = strlen(work);
1896
1897         if (strlen(otherdir) >= t)
1898         {
1899                 otherdir[t] = '\0';
1900                 if (!strcmp(otherdir,work))
1901                 {
1902                         return true;
1903                 }
1904
1905                 return false;
1906         }
1907         else
1908         {
1909                 return false;
1910         }
1911 }
1912
1913 std::string ServerConfig::GetFullProgDir()
1914 {
1915         char buffer[PATH_MAX+1];
1916 #ifdef WINDOWS
1917         /* Windows has specific api calls to get the exe path that never fail.
1918          * For once, windows has something of use, compared to the POSIX code
1919          * for this, this is positively neato.
1920          */
1921         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1922         {
1923                 std::string fullpath = buffer;
1924                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1925                 return std::string(fullpath, 0, n);
1926         }
1927 #else
1928         // Get the current working directory
1929         if (getcwd(buffer, PATH_MAX))
1930         {
1931                 std::string remainder = this->argv[0];
1932
1933                 /* Does argv[0] start with /? its a full path, use it */
1934                 if (remainder[0] == '/')
1935                 {
1936                         std::string::size_type n = remainder.rfind("/inspircd");
1937                         return std::string(remainder, 0, n);
1938                 }
1939
1940                 std::string fullpath = std::string(buffer) + "/" + remainder;
1941                 std::string::size_type n = fullpath.rfind("/inspircd");
1942                 return std::string(fullpath, 0, n);
1943         }
1944 #endif
1945         return "/";
1946 }
1947
1948 InspIRCd* ServerConfig::GetInstance()
1949 {
1950         return ServerInstance;
1951 }
1952
1953 std::string ServerConfig::GetSID()
1954 {
1955         std::string OurSID;
1956         OurSID += (char)((sid / 100) + 48);
1957         OurSID += (char)((sid / 10) % 10 + 48);
1958         OurSID += (char)(sid % 10 + 48);
1959         return OurSID;
1960 }
1961
1962 ValueItem::ValueItem(int value)
1963 {
1964         std::stringstream n;
1965         n << value;
1966         v = n.str();
1967 }
1968
1969 ValueItem::ValueItem(bool value)
1970 {
1971         std::stringstream n;
1972         n << value;
1973         v = n.str();
1974 }
1975
1976 ValueItem::ValueItem(char* value)
1977 {
1978         v = value;
1979 }
1980
1981 void ValueItem::Set(char* value)
1982 {
1983         v = value;
1984 }
1985
1986 void ValueItem::Set(const char* value)
1987 {
1988         v = value;
1989 }
1990
1991 void ValueItem::Set(int value)
1992 {
1993         std::stringstream n;
1994         n << value;
1995         v = n.str();
1996 }
1997
1998 int ValueItem::GetInteger()
1999 {
2000         if (v.empty())
2001                 return 0;
2002         return atoi(v.c_str());
2003 }
2004
2005 char* ValueItem::GetString()
2006 {
2007         return (char*)v.c_str();
2008 }
2009
2010 bool ValueItem::GetBool()
2011 {
2012         return (GetInteger() || v == "yes" || v == "true");
2013 }
2014
2015
2016
2017
2018 /*
2019  * XXX should this be in a class? -- w00t
2020  */
2021 bool InitTypes(ServerConfig* conf, const char*)
2022 {
2023         if (conf->opertypes.size())
2024         {
2025                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2026                 {
2027                         if (n->second)
2028                                 delete[] n->second;
2029                 }
2030         }
2031
2032         conf->opertypes.clear();
2033         return true;
2034 }
2035
2036 /*
2037  * XXX should this be in a class? -- w00t
2038  */
2039 bool InitClasses(ServerConfig* conf, const char*)
2040 {
2041         if (conf->operclass.size())
2042         {
2043                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2044                 {
2045                         if (n->second)
2046                                 delete[] n->second;
2047                 }
2048         }
2049
2050         conf->operclass.clear();
2051         return true;
2052 }
2053
2054 /*
2055  * XXX should this be in a class? -- w00t
2056  */
2057 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2058 {
2059         const char* TypeName = values[0].GetString();
2060         const char* Classes = values[1].GetString();
2061
2062         conf->opertypes[TypeName] = strnewdup(Classes);
2063         return true;
2064 }
2065
2066 /*
2067  * XXX should this be in a class? -- w00t
2068  */
2069 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2070 {
2071         const char* ClassName = values[0].GetString();
2072         const char* CommandList = values[1].GetString();
2073
2074         conf->operclass[ClassName] = strnewdup(CommandList);
2075         return true;
2076 }
2077
2078 /*
2079  * XXX should this be in a class? -- w00t
2080  */
2081 bool DoneClassesAndTypes(ServerConfig*, const char*)
2082 {
2083         return true;
2084 }
2085
2086
2087
2088 bool InitXLine(ServerConfig* conf, const char* tag)
2089 {
2090         return true;
2091 }
2092
2093 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2094 {
2095         const char* reason = values[0].GetString();
2096         const char* ipmask = values[1].GetString();
2097
2098         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2099         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2100                 delete zl;
2101
2102         return true;
2103 }
2104
2105 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2106 {
2107         const char* reason = values[0].GetString();
2108         const char* nick = values[1].GetString();
2109
2110         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2111         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2112                 delete ql;
2113
2114         return true;
2115 }
2116
2117 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2118 {
2119         const char* reason = values[0].GetString();
2120         const char* host = values[1].GetString();
2121
2122         XLineManager* xlm = conf->GetInstance()->XLines;
2123
2124         IdentHostPair ih = xlm->IdentSplit(host);
2125
2126         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2127         if (!xlm->AddLine(kl, NULL))
2128                 delete kl;
2129         return true;
2130 }
2131
2132 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2133 {
2134         const char* reason = values[0].GetString();
2135         const char* host = values[1].GetString();
2136
2137         XLineManager* xlm = conf->GetInstance()->XLines;
2138
2139         IdentHostPair ih = xlm->IdentSplit(host);
2140
2141         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2142         if (!xlm->AddLine(el, NULL))
2143                 delete el;
2144         return true;
2145 }
2146
2147 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2148 bool DoneELine(ServerConfig* conf, const char* tag)
2149 {
2150         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->local_users.begin(); u2 != conf->GetInstance()->local_users.end(); u2++)
2151         {
2152                 User* u = (User*)(*u2);
2153                 u->exempt = false;
2154         }
2155
2156         conf->GetInstance()->XLines->CheckELines();
2157         return true;
2158 }
2159