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 = conf->GetInstance()->Modules->GetAllModuleNames(0);
 668         new_module_names.clear();
 669         added_modules.clear();
 670         removed_modules.clear();
 671         return true;
 672 }
 673
 674 /* Callback called to process a single <module> tag
 675  */
 676 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 677 {
 678         const char* modname = values[0].GetString();
 679         new_module_names.push_back(modname);
 680         return true;
 681 }
 682
 683 /* Callback called when there are no more <module> tags
 684  */
 685 bool DoneModule(ServerConfig*, const char*)
 686 {
 687         // now create a list of new modules that are due to be loaded
 688         // and a seperate list of modules which are due to be unloaded
 689         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 690         {
 691                 bool added = true;
 692
 693                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 694                 {
 695                         if (*old == *_new)
 696                                 added = false;
 697                 }
 698
 699                 if (added)
 700                         added_modules.push_back(*_new);
 701         }
 702
 703         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 704         {
 705                 bool removed = true;
 706                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 707                 {
 708                         if (*newm == *oldm)
 709                                 removed = false;
 710                 }
 711
 712                 if (removed)
 713                         removed_modules.push_back(*oldm);
 714         }
 715         return true;
 716 }
 717
 718 /* Callback called before processing the first <banlist> tag
 719  */
 720 bool InitMaxBans(ServerConfig* conf, const char*)
 721 {
 722         conf->maxbans.clear();
 723         return true;
 724 }
 725
 726 /* Callback called to process a single <banlist> tag
 727  */
 728 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 729 {
 730         const char* channel = values[0].GetString();
 731         int limit = values[1].GetInteger();
 732         conf->maxbans[channel] = limit;
 733         return true;
 734 }
 735
 736 /* Callback called when there are no more <banlist> tags.
 737  */
 738 bool DoneMaxBans(ServerConfig*, const char*)
 739 {
 740         return true;
 741 }
 742
 743 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 744 {
 745         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 746         if (bail)
 747         {
 748                 /* Unneeded because of the ServerInstance->Log() aboive? */
 749                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 750                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 751         }
 752         else
 753         {
 754                 std::string errors = errormessage;
 755                 std::string::size_type start;
 756                 unsigned int prefixlen;
 757                 start = 0;
 758                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 759                 if (user)
 760                 {
 761                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 762                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 763                         while (start < errors.length())
 764                         {
 765                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 766                                 start += 510 - prefixlen;
 767                         }
 768                 }
 769                 else
 770                 {
 771                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 772                         while (start < errors.length())
 773                         {
 774                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 775                                 start += 360;
 776                         }
 777                 }
 778                 return;
 779         }
 780 }
 781
 782 void ServerConfig::Read(bool bail, User* user)
 783 {
 784         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 785
 786         for (int pass = 0; pass < 2; pass++)
 787         {
 788
 789                 ServerInstance->Log(DEBUG,"Start config pass %d", pass);
 790
 791                 static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 792                 static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 793                 static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 794                 static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 795                 static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 796                 std::ostringstream errstr;      /* String stream containing the error output */
 797
 798                 /* These tags MUST occur and must ONLY occur once in the config file */
 799                 static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 800
 801                 /* These tags can occur ONCE or not at all */
 802                 InitialConfig Values[] = {
 803                         {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 804                         {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 805                         {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 806                         {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 807                         {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 808                         {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 809                         {"server",      "id",           "0",                    new ValueContainerInt  (&this->sid),                    DT_NOSPACES, ValidateSID},
 810                         {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 811                         {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 812                         {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 813                         {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 814                         {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 815                         {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 816                         {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 817                         {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 818                         {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 819                         {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 820                         {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 821                         {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 822                         {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 823                         {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 824                         {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 825                         {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 826                         {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 827                         {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 828                         {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 829                         {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 830                         {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 831                         {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 832                         {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 833                         {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 834                         {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 835                         {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 836                         {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 837                         {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 838                         {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 839                         {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 840                         {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 841                         {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 842                         {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 843                         {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 844                         {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 845                         {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 846                         {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 847                         {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 848                         {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 849                         {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 850                         {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 851                         {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 852                         {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 853                         {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 854                 };
 855
 856                 /* These tags can occur multiple times, and therefore they have special code to read them
 857                  * which is different to the code for reading the singular tags listed above.
 858                  */
 859                 MultiConfig MultiValues[] = {
 860
 861                         {"connect",
 862                                         {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 863                                         "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 864                                         "name",         "parent",       "maxchans",     "limit",
 865                                         NULL},
 866                                         {"",            "",             "",             "",             "120",          "",
 867                                          "",            "",             "",             "3",            "3",            "0",
 868                                          "",            "",             "0",        "0",
 869                                          NULL},
 870                                         {DT_IPADDRESS|DT_ALLOW_WILD,
 871                                                         DT_IPADDRESS|DT_ALLOW_WILD,
 872                                                                         DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 873                                         DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 874                                         DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER},
 875                                         InitConnect, DoConnect, DoneConnect},
 876
 877                         {"uline",
 878                                         {"server",      "silent",       NULL},
 879                                         {"",            "0",            NULL},
 880                                         {DT_HOSTNAME,   DT_BOOLEAN},
 881                                         InitULine,DoULine,DoneULine},
 882
 883                         {"banlist",
 884                                         {"chan",        "limit",        NULL},
 885                                         {"",            "",             NULL},
 886                                         {DT_CHARPTR,    DT_INTEGER},
 887                                         InitMaxBans, DoMaxBans, DoneMaxBans},
 888
 889                         {"module",
 890                                         {"name",        NULL},
 891                                         {"",            NULL},
 892                                         {DT_CHARPTR},
 893                                         InitModule, DoModule, DoneModule},
 894
 895                         {"badip",
 896                                         {"reason",      "ipmask",       NULL},
 897                                         {"No reason",   "",             NULL},
 898                                         {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 899                                         InitXLine, DoZLine, DoneConfItem},
 900
 901                         {"badnick",
 902                                         {"reason",      "nick",         NULL},
 903                                         {"No reason",   "",             NULL},
 904                                         {DT_CHARPTR,    DT_CHARPTR},
 905                                         InitXLine, DoQLine, DoneConfItem},
 906
 907                         {"badhost",
 908                                         {"reason",      "host",         NULL},
 909                                         {"No reason",   "",             NULL},
 910                                         {DT_CHARPTR,    DT_CHARPTR},
 911                                         InitXLine, DoKLine, DoneConfItem},
 912
 913                         {"exception",
 914                                         {"reason",      "host",         NULL},
 915                                         {"No reason",   "",             NULL},
 916                                         {DT_CHARPTR,    DT_CHARPTR},
 917                                         InitXLine, DoELine, DoneELine},
 918
 919                         {"type",
 920                                         {"name",        "classes",      NULL},
 921                                         {"",            "",             NULL},
 922                                         {DT_NOSPACES,   DT_CHARPTR},
 923                                         InitTypes, DoType, DoneClassesAndTypes},
 924
 925                         {"class",
 926                                         {"name",        "commands",     NULL},
 927                                         {"",            "",             NULL},
 928                                         {DT_NOSPACES,   DT_CHARPTR},
 929                                         InitClasses, DoClass, DoneClassesAndTypes},
 930
 931                         {NULL,
 932                                         {NULL},
 933                                         {NULL},
 934                                         {0},
 935                                         NULL, NULL, NULL}
 936                 };
 937
 938                 include_stack.clear();
 939
 940                 /* Load and parse the config file, if there are any errors then explode */
 941
 942                 /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 943                 ConfigDataHash newconfig;
 944
 945                 if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr, pass))
 946                 {
 947                         /* If we succeeded, set the ircd config to the new one */
 948                         this->config_data = newconfig;
 949                 }
 950                 else
 951                 {
 952                         ReportConfigError(errstr.str(), bail, user);
 953                         return;
 954                 }
 955
 956                 /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 957                 try
 958                 {
 959                         /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 960                          */
 961                         for (int Index = 0; Values[Index].tag; Index++)
 962                         {
 963                                 char item[MAXBUF];
 964                                 int dt = Values[Index].datatype;
 965                                 bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 966                                 bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 967                                 dt &= ~DT_ALLOW_NEWLINE;
 968                                 dt &= ~DT_ALLOW_WILD;
 969
 970                                 ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 971                                 ValueItem vi(item);
 972
 973                                 if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 974                                         throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 975
 976                                 switch (Values[Index].datatype)
 977                                 {
 978                                         case DT_NOSPACES:
 979                                         {
 980                                                 ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 981                                                 this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 982                                                 vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 983                                         }
 984                                         break;
 985                                         case DT_HOSTNAME:
 986                                         {
 987                                                 ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 988                                                 this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 989                                                 vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 990                                         }
 991                                         break;
 992                                         case DT_IPADDRESS:
 993                                         {
 994                                                 ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 995                                                 this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
 996                                                 vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 997                                         }
 998                                         break;
 999                                         case DT_CHANNEL:
1000                                         {
1001                                                 ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1002                                                 if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1003                                                         throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1004                                                 vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1005                                         }
1006                                         break;
1007                                         case DT_CHARPTR:
1008                                         {
1009                                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1010                                                 /* Make sure we also copy the null terminator */
1011                                                 vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1012                                         }
1013                                         break;
1014                                         case DT_INTEGER:
1015                                         {
1016                                                 int val = vi.GetInteger();
1017                                                 ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1018                                                 vci->Set(&val, sizeof(int));
1019                                         }
1020                                         break;
1021                                         case DT_BOOLEAN:
1022                                         {
1023                                                 bool val = vi.GetBool();
1024                                                 ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1025                                                 vcb->Set(&val, sizeof(bool));
1026                                         }
1027                                         break;
1028                                         default:
1029                                                 /* You don't want to know what happens if someones bad code sends us here. */
1030                                         break;
1031                                 }
1032
1033                                 /* We're done with this now */
1034                                 delete Values[Index].val;
1035                         }
1036
1037                         /* Read the multiple-tag items (class tags, connect tags, etc)
1038                          * and call the callbacks associated with them. We have three
1039                          * callbacks for these, a 'start', 'item' and 'end' callback.
1040                          */
1041                         for (int Index = 0; MultiValues[Index].tag; Index++)
1042                         {
1043                                 MultiValues[Index].init_function(this, MultiValues[Index].tag);
1044
1045                                 int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1046
1047                                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1048                                 {
1049                                         ValueList vl;
1050                                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1051                                         {
1052                                                 int dt = MultiValues[Index].datatype[valuenum];
1053                                                 bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1054                                                 bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1055                                                 dt &= ~DT_ALLOW_NEWLINE;
1056                                                 dt &= ~DT_ALLOW_WILD;
1057
1058                                                 switch (dt)
1059                                                 {
1060                                                         case DT_NOSPACES:
1061                                                         {
1062                                                                 char item[MAXBUF];
1063                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1064                                                                         vl.push_back(ValueItem(item));
1065                                                                 else
1066                                                                         vl.push_back(ValueItem(""));
1067                                                                 this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1068                                                         }
1069                                                         break;
1070                                                         case DT_HOSTNAME:
1071                                                         {
1072                                                                 char item[MAXBUF];
1073                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1074                                                                         vl.push_back(ValueItem(item));
1075                                                                 else
1076                                                                         vl.push_back(ValueItem(""));
1077                                                                 this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1078                                                         }
1079                                                         break;
1080                                                         case DT_IPADDRESS:
1081                                                         {
1082                                                                 char item[MAXBUF];
1083                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1084                                                                         vl.push_back(ValueItem(item));
1085                                                                 else
1086                                                                         vl.push_back(ValueItem(""));
1087                                                                 this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1088                                                         }
1089                                                         break;
1090                                                         case DT_CHANNEL:
1091                                                         {
1092                                                                 char item[MAXBUF];
1093                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1094                                                                         vl.push_back(ValueItem(item));
1095                                                                 else
1096                                                                         vl.push_back(ValueItem(""));
1097                                                                 if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1098                                                                         throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1099                                                         }
1100                                                         break;
1101                                                         case DT_CHARPTR:
1102                                                         {
1103                                                                 char item[MAXBUF];
1104                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1105                                                                         vl.push_back(ValueItem(item));
1106                                                                 else
1107                                                                         vl.push_back(ValueItem(""));
1108                                                         }
1109                                                         break;
1110                                                         case DT_INTEGER:
1111                                                         {
1112                                                                 int item = 0;
1113                                                                 if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1114                                                                         vl.push_back(ValueItem(item));
1115                                                                 else
1116                                                                         vl.push_back(ValueItem(0));
1117                                                         }
1118                                                         break;
1119                                                         case DT_BOOLEAN:
1120                                                         {
1121                                                                 bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1122                                                                 vl.push_back(ValueItem(item));
1123                                                         }
1124                                                         break;
1125                                                         default:
1126                                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
1127                                                         break;
1128                                                 }
1129                                         }
1130
1131                                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1132                                 }
1133
1134                                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1135                         }
1136
1137                 }
1138
1139                 catch (CoreException &ce)
1140                 {
1141                         ReportConfigError(ce.GetReason(), bail, user);
1142                         return;
1143                 }
1144
1145                 /** XXX END PASS **/
1146                 ServerInstance->Log(DEBUG,"End config pass %d", pass);
1147
1148                 if (pass == 0)
1149                 {
1150                         /* FIRST PASS: Set up commands, load modules.
1151                          * We cannot gaurantee that all config is correct
1152                          * at this point
1153                          */
1154
1155                         /** Note: This is safe, the method checks for user == NULL */
1156                         ServerInstance->Parser->SetupCommandTable(user);
1157                         ServerInstance->Modules->LoadAll();
1158                 }
1159                 else
1160                 {
1161                         /* SECOND PASS: Call modules to read configs, finalize
1162                          * stuff. Check that we have at least the required number
1163                          * of whichever items. This is no longer done first.
1164                          */
1165                         ConfigReader* n = new ConfigReader(ServerInstance);
1166                         FOREACH_MOD(I_OnReadConfig,OnReadConfig(this, n));
1167
1168                         for (int Index = 0; Once[Index]; Index++)
1169                                 if (!CheckOnce(Once[Index]))
1170                                         return;
1171                 }
1172
1173         }
1174
1175         // write once here, to try it out and make sure its ok
1176         ServerInstance->WritePID(this->PID);
1177
1178         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1179
1180         /* If we're rehashing, let's load any new modules, and unload old ones
1181          */
1182         if (!bail)
1183         {
1184                 int found_ports = 0;
1185                 FailedPortList pl;
1186                 ServerInstance->BindPorts(false, found_ports, pl);
1187
1188                 if (pl.size() && user)
1189                 {
1190                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1191                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1192                         int j = 1;
1193                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1194                         {
1195                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1196                         }
1197                 }
1198         }
1199
1200         if (!removed_modules.empty())
1201         {
1202                 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1203                 {
1204                         if (ServerInstance->Modules->Unload(removing->c_str()))
1205                         {
1206                                 ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
1207                                 if (user)
1208                                         user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1209                                 rem++;
1210                         }
1211                         else
1212                         {
1213                                 if (user)
1214                                         user->WriteServ("972 %s %s :%s",user->nick, removing->c_str(), ServerInstance->Modules->LastError().c_str());
1215                         }
1216                 }
1217         }
1218
1219         if (!added_modules.empty())
1220         {
1221                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1222                 {
1223                         if (ServerInstance->Modules->Load(adding->c_str()))
1224                         {
1225                                 ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
1226                                 if (user)
1227                                         user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1228
1229                                 add++;
1230                         }
1231                         else
1232                         {
1233                                 if (user)
1234                                         user->WriteServ("974 %s %s :%s",user->nick, adding->c_str(), ServerInstance->Modules->LastError().c_str());
1235                         }
1236                 }
1237         }
1238
1239         ServerInstance->Log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules in pass 2.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
1240
1241         /** Note: This is safe, the method checks for user == NULL */
1242         /*ServerInstance->Parser->SetupCommandTable(user);*/
1243
1244         if (user)
1245                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1246         else
1247                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
1248 }
1249
1250 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream, int pass)
1251 {
1252         std::ifstream conf(filename);
1253         std::string line;
1254         char ch;
1255         long linenumber;
1256         bool in_tag;
1257         bool in_quote;
1258         bool in_comment;
1259         int character_count = 0;
1260
1261         linenumber = 1;
1262         in_tag = false;
1263         in_quote = false;
1264         in_comment = false;
1265
1266         /* Check if the file open failed first */
1267         if (!conf && (pass == 1))
1268         {
1269                 int MOD_RESULT = 0;
1270                 std::stringstream filedata;
1271                 /** XXX: THIS SHOULD BE NONBLOCKING WITH A CALLBACK, RETURN A VALUE LIKE
1272                  * LOADCONF_TRYAGAIN, LOADCONF_DONE_WITH_ERROR, LOADCONF_DONE_COMPLETE
1273                  */
1274                 FOREACH_RESULT(I_OnDownloadFile, OnDownloadFile(filename, filedata));
1275                 if (MOD_RESULT == 0)
1276                 {
1277                         errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1278                         return false;
1279                 }
1280         }
1281         else if (!conf && (pass == 0))
1282                 return true;
1283
1284         /* Fix the chmod of the file to restrict it to the current user and group */
1285         chmod(filename,0600);
1286
1287         for (unsigned int t = 0; t < include_stack.size(); t++)
1288         {
1289                 if (std::string(filename) == include_stack[t])
1290                 {
1291                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1292                         return false;
1293                 }
1294         }
1295
1296         /* It's not already included, add it to the list of files we've loaded */
1297         include_stack.push_back(filename);
1298
1299         /* Start reading characters... */
1300         while (conf.get(ch))
1301         {
1302
1303                 /*
1304                  * Fix for moronic windows issue spotted by Adremelech.
1305                  * Some windows editors save text files as utf-16, which is
1306                  * a total pain in the ass to parse. Users should save in the
1307                  * right config format! If we ever see a file where the first
1308                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1309                  * this is most likely a utf-16 file. Bail out and insult user.
1310                  */
1311                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1312                 {
1313                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1314                         return false;
1315                 }
1316
1317                 /*
1318                  * Here we try and get individual tags on separate lines,
1319                  * this would be so easy if we just made people format
1320                  * their config files like that, but they don't so...
1321                  * We check for a '<' and then know the line is over when
1322                  * we get a '>' not inside quotes. If we find two '<' and
1323                  * no '>' then die with an error.
1324                  */
1325
1326                 if ((ch == '#') && !in_quote)
1327                         in_comment = true;
1328
1329                 switch (ch)
1330                 {
1331                         case '\n':
1332                                 if (in_quote)
1333                                         line += '\n';
1334                                 linenumber++;
1335                         case '\r':
1336                                 if (!in_quote)
1337                                         in_comment = false;
1338                         case '\0':
1339                                 continue;
1340                         case '\t':
1341                                 ch = ' ';
1342                 }
1343
1344                 if(in_comment)
1345                         continue;
1346
1347                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1348                  * Note that this WILL NOT usually allow insertion of newlines,
1349                  * because a newline is two characters long. Use it primarily to
1350                  * insert the " symbol.
1351                  *
1352                  * Note that this also involves a further check when parsing the line,
1353                  * which can be found below.
1354                  */
1355                 if ((ch == '\\') && (in_quote) && (in_tag))
1356                 {
1357                         line += ch;
1358                         char real_character;
1359                         if (conf.get(real_character))
1360                         {
1361                                 if (real_character == 'n')
1362                                         real_character = '\n';
1363                                 line += real_character;
1364                                 continue;
1365                         }
1366                         else
1367                         {
1368                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1369                                 return false;
1370                         }
1371                 }
1372
1373                 if (ch != '\r')
1374                         line += ch;
1375
1376                 if (ch == '<')
1377                 {
1378                         if (in_tag)
1379                         {
1380                                 if (!in_quote)
1381                                 {
1382                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1383                                         return false;
1384                                 }
1385                         }
1386                         else
1387                         {
1388                                 if (in_quote)
1389                                 {
1390                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1391                                         return false;
1392                                 }
1393                                 else
1394                                 {
1395                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1396                                         in_tag = true;
1397                                 }
1398                         }
1399                 }
1400                 else if (ch == '"')
1401                 {
1402                         if (in_tag)
1403                         {
1404                                 if (in_quote)
1405                                 {
1406                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1407                                         in_quote = false;
1408                                 }
1409                                 else
1410                                 {
1411                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1412                                         in_quote = true;
1413                                 }
1414                         }
1415                         else
1416                         {
1417                                 if (in_quote)
1418                                 {
1419                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1420                                 }
1421                                 else
1422                                 {
1423                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1424                                 }
1425                         }
1426                 }
1427                 else if (ch == '>')
1428                 {
1429                         if (!in_quote)
1430                         {
1431                                 if (in_tag)
1432                                 {
1433                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1434                                         in_tag = false;
1435
1436                                         /*
1437                                          * If this finds an <include> then ParseLine can simply call
1438                                          * LoadConf() and load the included config into the same ConfigDataHash
1439                                          */
1440
1441                                         if (!this->ParseLine(target, line, linenumber, errorstream, pass))
1442                                                 return false;
1443
1444                                         line.clear();
1445                                 }
1446                                 else
1447                                 {
1448                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1449                                         return false;
1450                                 }
1451                         }
1452                 }
1453         }
1454
1455         /* 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 */
1456         if (in_comment || in_quote)
1457         {
1458                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1459                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1460         }
1461
1462         return true;
1463 }
1464
1465 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream, int pass)
1466 {
1467         return this->LoadConf(target, filename.c_str(), errorstream, pass);
1468 }
1469
1470 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream, int pass)
1471 {
1472         std::string tagname;
1473         std::string current_key;
1474         std::string current_value;
1475         KeyValList results;
1476         bool got_name;
1477         bool got_key;
1478         bool in_quote;
1479
1480         got_name = got_key = in_quote = false;
1481
1482         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1483         {
1484                 if (!got_name)
1485                 {
1486                         /* We don't know the tag name yet. */
1487
1488                         if (*c != ' ')
1489                         {
1490                                 if (*c != '<')
1491                                 {
1492                                         tagname += *c;
1493                                 }
1494                         }
1495                         else
1496                         {
1497                                 /* We got to a space, we should have the tagname now. */
1498                                 if(tagname.length())
1499                                 {
1500                                         got_name = true;
1501                                 }
1502                         }
1503                 }
1504                 else
1505                 {
1506                         /* We have the tag name */
1507                         if (!got_key)
1508                         {
1509                                 /* We're still reading the key name */
1510                                 if (*c != '=')
1511                                 {
1512                                         if (*c != ' ')
1513                                         {
1514                                                 current_key += *c;
1515                                         }
1516                                 }
1517                                 else
1518                                 {
1519                                         /* We got an '=', end of the key name. */
1520                                         got_key = true;
1521                                 }
1522                         }
1523                         else
1524                         {
1525                                 /* We have the key name, now we're looking for quotes and the value */
1526
1527                                 /* Correctly handle escaped characters here.
1528                                  * See the XXX'ed section above.
1529                                  */
1530                                 if ((*c == '\\') && (in_quote))
1531                                 {
1532                                         c++;
1533                                         if (*c == 'n')
1534                                                 current_value += '\n';
1535                                         else
1536                                                 current_value += *c;
1537                                         continue;
1538                                 }
1539                                 else if ((*c == '\n') && (in_quote))
1540                                 {
1541                                         /* Got a 'real' \n, treat it as part of the value */
1542                                         current_value += '\n';
1543                                         linenumber++;
1544                                         continue;
1545                                 }
1546                                 else if ((*c == '\r') && (in_quote))
1547                                         /* Got a \r, drop it */
1548                                         continue;
1549
1550                                 if (*c == '"')
1551                                 {
1552                                         if (!in_quote)
1553                                         {
1554                                                 /* We're not already in a quote. */
1555                                                 in_quote = true;
1556                                         }
1557                                         else
1558                                         {
1559                                                 /* Leaving quotes, we have the value */
1560                                                 results.push_back(KeyVal(current_key, current_value));
1561
1562                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1563
1564                                                 in_quote = false;
1565                                                 got_key = false;
1566
1567                                                 if ((tagname == "include") && (current_key == "file"))
1568                                                 {
1569                                                         if (!this->DoInclude(target, current_value, errorstream, pass))
1570                                                                 return false;
1571                                                 }
1572
1573                                                 current_key.clear();
1574                                                 current_value.clear();
1575                                         }
1576                                 }
1577                                 else
1578                                 {
1579                                         if (in_quote)
1580                                         {
1581                                                 current_value += *c;
1582                                         }
1583                                 }
1584                         }
1585                 }
1586         }
1587
1588         /* Finished parsing the tag, add it to the config hash */
1589         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1590
1591         return true;
1592 }
1593
1594 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream, int pass)
1595 {
1596         std::string confpath;
1597         std::string newfile;
1598         std::string::size_type pos;
1599
1600         confpath = ServerInstance->ConfigFileName;
1601         newfile = file;
1602
1603         std::replace(newfile.begin(),newfile.end(),'\\','/');
1604         std::replace(confpath.begin(),confpath.end(),'\\','/');
1605
1606         if (newfile[0] != '/')
1607         {
1608                 if((pos = confpath.rfind("/")) != std::string::npos)
1609                 {
1610                         /* Leaves us with just the path */
1611                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1612                 }
1613                 else
1614                 {
1615                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1616                         return false;
1617                 }
1618         }
1619
1620         return LoadConf(target, newfile, errorstream, pass);
1621 }
1622
1623 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1624 {
1625         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1626 }
1627
1628 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1629 {
1630         std::string value;
1631         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1632         strlcpy(result, value.c_str(), length);
1633         return r;
1634 }
1635
1636 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1637 {
1638         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1639 }
1640
1641 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)
1642 {
1643         ConfigDataHash::size_type pos = index;
1644         if (pos < target.count(tag))
1645         {
1646                 ConfigDataHash::iterator iter = target.find(tag);
1647
1648                 for(int i = 0; i < index; i++)
1649                         iter++;
1650
1651                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1652                 {
1653                         if(j->first == var)
1654                         {
1655                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1656                                 {
1657                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1658                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1659                                                 if (*n == '\n')
1660                                                         *n = ' ';
1661                                 }
1662                                 else
1663                                 {
1664                                         result = j->second;
1665                                         return true;
1666                                 }
1667                         }
1668                 }
1669                 if (!default_value.empty())
1670                 {
1671                         result = default_value;
1672                         return true;
1673                 }
1674         }
1675         else if(pos == 0)
1676         {
1677                 if (!default_value.empty())
1678                 {
1679                         result = default_value;
1680                         return true;
1681                 }
1682         }
1683         return false;
1684 }
1685
1686 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1687 {
1688         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1689 }
1690
1691 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1692 {
1693         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1694 }
1695
1696 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1697 {
1698         return ConfValueInteger(target, tag, var, "", index, result);
1699 }
1700
1701 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1702 {
1703         std::string value;
1704         std::istringstream stream;
1705         bool r = ConfValue(target, tag, var, default_value, index, value);
1706         stream.str(value);
1707         if(!(stream >> result))
1708                 return false;
1709         else
1710         {
1711                 if (!value.empty())
1712                 {
1713                         if (value.substr(0,2) == "0x")
1714                         {
1715                                 char* endptr;
1716
1717                                 value.erase(0,2);
1718                                 result = strtol(value.c_str(), &endptr, 16);
1719
1720                                 /* No digits found */
1721                                 if (endptr == value.c_str())
1722                                         return false;
1723                         }
1724                         else
1725                         {
1726                                 char denominator = *(value.end() - 1);
1727                                 switch (toupper(denominator))
1728                                 {
1729                                         case 'K':
1730                                                 /* Kilobytes -> bytes */
1731                                                 result = result * 1024;
1732                                         break;
1733                                         case 'M':
1734                                                 /* Megabytes -> bytes */
1735                                                 result = result * 1024 * 1024;
1736                                         break;
1737                                         case 'G':
1738                                                 /* Gigabytes -> bytes */
1739                                                 result = result * 1024 * 1024 * 1024;
1740                                         break;
1741                                 }
1742                         }
1743                 }
1744         }
1745         return r;
1746 }
1747
1748
1749 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1750 {
1751         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1752 }
1753
1754 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1755 {
1756         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1757 }
1758
1759 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1760 {
1761         return ConfValueBool(target, tag, var, "", index);
1762 }
1763
1764 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1765 {
1766         std::string result;
1767         if(!ConfValue(target, tag, var, default_value, index, result))
1768                 return false;
1769
1770         return ((result == "yes") || (result == "true") || (result == "1"));
1771 }
1772
1773 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1774 {
1775         return target.count(tag);
1776 }
1777
1778 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1779 {
1780         return target.count(tag);
1781 }
1782
1783 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1784 {
1785         return ConfVarEnum(target, std::string(tag), index);
1786 }
1787
1788 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1789 {
1790         ConfigDataHash::size_type pos = index;
1791
1792         if (pos < target.count(tag))
1793         {
1794                 ConfigDataHash::const_iterator iter = target.find(tag);
1795
1796                 for(int i = 0; i < index; i++)
1797                         iter++;
1798
1799                 return iter->second.size();
1800         }
1801
1802         return 0;
1803 }
1804
1805 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1806  */
1807 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1808 {
1809         if (!fname || !*fname)
1810                 return false;
1811
1812         FILE* file = NULL;
1813         char linebuf[MAXBUF];
1814
1815         F.clear();
1816
1817         if ((*fname != '/') && (*fname != '\\'))
1818         {
1819                 std::string::size_type pos;
1820                 std::string confpath = ServerInstance->ConfigFileName;
1821                 std::string newfile = fname;
1822
1823                 if ((pos = confpath.rfind("/")) != std::string::npos)
1824                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1825                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1826                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1827
1828                 if (!FileExists(newfile.c_str()))
1829                         return false;
1830                 file =  fopen(newfile.c_str(), "r");
1831         }
1832         else
1833         {
1834                 if (!FileExists(fname))
1835                         return false;
1836                 file =  fopen(fname, "r");
1837         }
1838
1839         if (file)
1840         {
1841                 while (!feof(file))
1842                 {
1843                         if (fgets(linebuf, sizeof(linebuf), file))
1844                                 linebuf[strlen(linebuf)-1] = 0;
1845                         else
1846                                 *linebuf = 0;
1847
1848                         if (!feof(file))
1849                         {
1850                                 F.push_back(*linebuf ? linebuf : " ");
1851                         }
1852                 }
1853
1854                 fclose(file);
1855         }
1856         else
1857                 return false;
1858
1859         return true;
1860 }
1861
1862 bool ServerConfig::FileExists(const char* file)
1863 {
1864         struct stat sb;
1865         if (stat(file, &sb) == -1)
1866                 return false;
1867
1868         if ((sb.st_mode & S_IFDIR) > 0)
1869                 return false;
1870
1871         FILE *input;
1872         if ((input = fopen (file, "r")) == NULL)
1873                 return false;
1874         else
1875         {
1876                 fclose(input);
1877                 return true;
1878         }
1879 }
1880
1881 char* ServerConfig::CleanFilename(char* name)
1882 {
1883         char* p = name + strlen(name);
1884         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1885         return (p != name ? ++p : p);
1886 }
1887
1888
1889 bool ServerConfig::DirValid(const char* dirandfile)
1890 {
1891 #ifdef WINDOWS
1892         return true;
1893 #endif
1894
1895         char work[1024];
1896         char buffer[1024];
1897         char otherdir[1024];
1898         int p;
1899
1900         strlcpy(work, dirandfile, 1024);
1901         p = strlen(work);
1902
1903         // we just want the dir
1904         while (*work)
1905         {
1906                 if (work[p] == '/')
1907                 {
1908                         work[p] = '\0';
1909                         break;
1910                 }
1911
1912                 work[p--] = '\0';
1913         }
1914
1915         // Get the current working directory
1916         if (getcwd(buffer, 1024 ) == NULL )
1917                 return false;
1918
1919         if (chdir(work) == -1)
1920                 return false;
1921
1922         if (getcwd(otherdir, 1024 ) == NULL )
1923                 return false;
1924
1925         if (chdir(buffer) == -1)
1926                 return false;
1927
1928         size_t t = strlen(work);
1929
1930         if (strlen(otherdir) >= t)
1931         {
1932                 otherdir[t] = '\0';
1933                 if (!strcmp(otherdir,work))
1934                 {
1935                         return true;
1936                 }
1937
1938                 return false;
1939         }
1940         else
1941         {
1942                 return false;
1943         }
1944 }
1945
1946 std::string ServerConfig::GetFullProgDir()
1947 {
1948         char buffer[PATH_MAX+1];
1949 #ifdef WINDOWS
1950         /* Windows has specific api calls to get the exe path that never fail.
1951          * For once, windows has something of use, compared to the POSIX code
1952          * for this, this is positively neato.
1953          */
1954         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1955         {
1956                 std::string fullpath = buffer;
1957                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1958                 return std::string(fullpath, 0, n);
1959         }
1960 #else
1961         // Get the current working directory
1962         if (getcwd(buffer, PATH_MAX))
1963         {
1964                 std::string remainder = this->argv[0];
1965
1966                 /* Does argv[0] start with /? its a full path, use it */
1967                 if (remainder[0] == '/')
1968                 {
1969                         std::string::size_type n = remainder.rfind("/inspircd");
1970                         return std::string(remainder, 0, n);
1971                 }
1972
1973                 std::string fullpath = std::string(buffer) + "/" + remainder;
1974                 std::string::size_type n = fullpath.rfind("/inspircd");
1975                 return std::string(fullpath, 0, n);
1976         }
1977 #endif
1978         return "/";
1979 }
1980
1981 InspIRCd* ServerConfig::GetInstance()
1982 {
1983         return ServerInstance;
1984 }
1985
1986 std::string ServerConfig::GetSID()
1987 {
1988         std::string OurSID;
1989         OurSID += (char)((sid / 100) + 48);
1990         OurSID += (char)((sid / 10) % 10 + 48);
1991         OurSID += (char)(sid % 10 + 48);
1992         return OurSID;
1993 }
1994
1995 ValueItem::ValueItem(int value)
1996 {
1997         std::stringstream n;
1998         n << value;
1999         v = n.str();
2000 }
2001
2002 ValueItem::ValueItem(bool value)
2003 {
2004         std::stringstream n;
2005         n << value;
2006         v = n.str();
2007 }
2008
2009 ValueItem::ValueItem(char* value)
2010 {
2011         v = value;
2012 }
2013
2014 void ValueItem::Set(char* value)
2015 {
2016         v = value;
2017 }
2018
2019 void ValueItem::Set(const char* value)
2020 {
2021         v = value;
2022 }
2023
2024 void ValueItem::Set(int value)
2025 {
2026         std::stringstream n;
2027         n << value;
2028         v = n.str();
2029 }
2030
2031 int ValueItem::GetInteger()
2032 {
2033         if (v.empty())
2034                 return 0;
2035         return atoi(v.c_str());
2036 }
2037
2038 char* ValueItem::GetString()
2039 {
2040         return (char*)v.c_str();
2041 }
2042
2043 bool ValueItem::GetBool()
2044 {
2045         return (GetInteger() || v == "yes" || v == "true");
2046 }
2047
2048
2049
2050
2051 /*
2052  * XXX should this be in a class? -- w00t
2053  */
2054 bool InitTypes(ServerConfig* conf, const char*)
2055 {
2056         if (conf->opertypes.size())
2057         {
2058                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2059                 {
2060                         if (n->second)
2061                                 delete[] n->second;
2062                 }
2063         }
2064
2065         conf->opertypes.clear();
2066         return true;
2067 }
2068
2069 /*
2070  * XXX should this be in a class? -- w00t
2071  */
2072 bool InitClasses(ServerConfig* conf, const char*)
2073 {
2074         if (conf->operclass.size())
2075         {
2076                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2077                 {
2078                         if (n->second)
2079                                 delete[] n->second;
2080                 }
2081         }
2082
2083         conf->operclass.clear();
2084         return true;
2085 }
2086
2087 /*
2088  * XXX should this be in a class? -- w00t
2089  */
2090 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2091 {
2092         const char* TypeName = values[0].GetString();
2093         const char* Classes = values[1].GetString();
2094
2095         conf->opertypes[TypeName] = strnewdup(Classes);
2096         return true;
2097 }
2098
2099 /*
2100  * XXX should this be in a class? -- w00t
2101  */
2102 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2103 {
2104         const char* ClassName = values[0].GetString();
2105         const char* CommandList = values[1].GetString();
2106
2107         conf->operclass[ClassName] = strnewdup(CommandList);
2108         return true;
2109 }
2110
2111 /*
2112  * XXX should this be in a class? -- w00t
2113  */
2114 bool DoneClassesAndTypes(ServerConfig*, const char*)
2115 {
2116         return true;
2117 }
2118
2119
2120
2121 bool InitXLine(ServerConfig* conf, const char* tag)
2122 {
2123         return true;
2124 }
2125
2126 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2127 {
2128         const char* reason = values[0].GetString();
2129         const char* ipmask = values[1].GetString();
2130
2131         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2132         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2133                 delete zl;
2134
2135         return true;
2136 }
2137
2138 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2139 {
2140         const char* reason = values[0].GetString();
2141         const char* nick = values[1].GetString();
2142
2143         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2144         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2145                 delete ql;
2146
2147         return true;
2148 }
2149
2150 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2151 {
2152         const char* reason = values[0].GetString();
2153         const char* host = values[1].GetString();
2154
2155         XLineManager* xlm = conf->GetInstance()->XLines;
2156
2157         IdentHostPair ih = xlm->IdentSplit(host);
2158
2159         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2160         if (!xlm->AddLine(kl, NULL))
2161                 delete kl;
2162         return true;
2163 }
2164
2165 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2166 {
2167         const char* reason = values[0].GetString();
2168         const char* host = values[1].GetString();
2169
2170         XLineManager* xlm = conf->GetInstance()->XLines;
2171
2172         IdentHostPair ih = xlm->IdentSplit(host);
2173
2174         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2175         if (!xlm->AddLine(el, NULL))
2176                 delete el;
2177         return true;
2178 }
2179
2180 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2181 bool DoneELine(ServerConfig* conf, const char* tag)
2182 {
2183         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->local_users.begin(); u2 != conf->GetInstance()->local_users.end(); u2++)
2184         {
2185                 User* u = (User*)(*u2);
2186                 u->exempt = false;
2187         }
2188
2189         conf->GetInstance()->XLines->CheckELines();
2190         return true;
2191 }
2192