src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 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(const 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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 338                 std::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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",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         const char *sid = data.GetString();
 482
 483         if (*sid && !conf->GetInstance()->IsSID(sid))
 484         {
 485                 throw CoreException(std::string(sid) + " is not a valid server ID. A server ID must be 3 characters long, with the first character a digit and the next two characters a digit or letter.");
 486         }
 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()->Logs->Log("CONFIG",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()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
 522
 523         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 524         {
 525                 ConnectClass* c = *i;
 526
 527                 /* only delete a class with refcount 0 */
 528                 if (c->RefCount == 0)
 529                 {
 530                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
 531
 532                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 533                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 534                          * Now the increment is in the else { } below.
 535                          */
 536                         conf->Classes.erase(i);
 537                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 538                 }
 539                 else
 540                 {
 541                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 542                         c->SetDisabled(true);
 543                         i++;
 544                 }
 545         }
 546
 547         return true;
 548 }
 549
 550 /* Callback called to process a single <connect> tag
 551  */
 552 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 553 {
 554         ConnectClass c;
 555         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 556         const char* deny = values[1].GetString();
 557         const char* password = values[2].GetString();
 558         int timeout = values[3].GetInteger();
 559         int pingfreq = values[4].GetInteger();
 560         int flood = values[5].GetInteger();
 561         int threshold = values[6].GetInteger();
 562         int sendq = values[7].GetInteger();
 563         int recvq = values[8].GetInteger();
 564         int localmax = values[9].GetInteger();
 565         int globalmax = values[10].GetInteger();
 566         int port = values[11].GetInteger();
 567         const char* name = values[12].GetString();
 568         const char* parent = values[13].GetString();
 569         int maxchans = values[14].GetInteger();
 570         unsigned long limit = values[15].GetInteger();
 571         const char* hashtype = values[16].GetString();
 572
 573         /*
 574          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 575          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 576          */
 577         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 578         {
 579                 ConnectClass* cc = *item;
 580                 if ((*name && (cc->GetName() == name)) || (*allow && (cc->GetHost() == allow)) || (*deny && (cc->GetHost() == deny)))
 581                 {
 582                         /* reenable class so users can be shoved into it :P */
 583                         cc->SetDisabled(false);
 584                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
 585                         return true;
 586                 }
 587         }
 588
 589         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
 590
 591         if (*parent)
 592         {
 593                 /* Find 'parent' and inherit a new class from it,
 594                  * then overwrite any values that are set here
 595                  */
 596                 ClassVector::iterator item = conf->Classes.begin();
 597                 for (; item != conf->Classes.end(); ++item)
 598                 {
 599                         ConnectClass* cc = *item;
 600                         conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
 601                         if (cc->GetName() == parent)
 602                         {
 603                                 ConnectClass* newclass = new ConnectClass(name, cc);
 604                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 605                                 conf->Classes.push_back(newclass);
 606                                 break;
 607                         }
 608                 }
 609                 if (item == conf->Classes.end())
 610                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 611         }
 612         else
 613         {
 614                 if (*allow)
 615                 {
 616                         ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
 617                         cc->limit = limit;
 618                         cc->SetPort(port);
 619                         conf->Classes.push_back(cc);
 620                 }
 621                 else
 622                 {
 623                         ConnectClass* cc = new ConnectClass(name, deny);
 624                         cc->SetPort(port);
 625                         conf->Classes.push_back(cc);
 626                 }
 627         }
 628
 629         return true;
 630 }
 631
 632 /* Callback called when there are no more <connect> tags
 633  */
 634 bool DoneConnect(ServerConfig *conf, const char*)
 635 {
 636         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
 637         return true;
 638 }
 639
 640 /* Callback called before processing the first <uline> tag
 641  */
 642 bool InitULine(ServerConfig* conf, const char*)
 643 {
 644         conf->ulines.clear();
 645         return true;
 646 }
 647
 648 /* Callback called to process a single <uline> tag
 649  */
 650 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 651 {
 652         const char* server = values[0].GetString();
 653         const bool silent = values[1].GetBool();
 654         conf->ulines[server] = silent;
 655         return true;
 656 }
 657
 658 /* Callback called when there are no more <uline> tags
 659  */
 660 bool DoneULine(ServerConfig*, const char*)
 661 {
 662         return true;
 663 }
 664
 665 /* Callback called before processing the first <module> tag
 666  */
 667 bool InitModule(ServerConfig* conf, const char*)
 668 {
 669         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 670         new_module_names.clear();
 671         added_modules.clear();
 672         removed_modules.clear();
 673         return true;
 674 }
 675
 676 /* Callback called to process a single <module> tag
 677  */
 678 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 679 {
 680         const char* modname = values[0].GetString();
 681         new_module_names.push_back(modname);
 682         return true;
 683 }
 684
 685 /* Callback called when there are no more <module> tags
 686  */
 687 bool DoneModule(ServerConfig*, const char*)
 688 {
 689         // now create a list of new modules that are due to be loaded
 690         // and a seperate list of modules which are due to be unloaded
 691         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 692         {
 693                 bool added = true;
 694
 695                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 696                 {
 697                         if (*old == *_new)
 698                                 added = false;
 699                 }
 700
 701                 if (added)
 702                         added_modules.push_back(*_new);
 703         }
 704
 705         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 706         {
 707                 bool removed = true;
 708                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 709                 {
 710                         if (*newm == *oldm)
 711                                 removed = false;
 712                 }
 713
 714                 if (removed)
 715                         removed_modules.push_back(*oldm);
 716         }
 717         return true;
 718 }
 719
 720 /* Callback called before processing the first <banlist> tag
 721  */
 722 bool InitMaxBans(ServerConfig* conf, const char*)
 723 {
 724         conf->maxbans.clear();
 725         return true;
 726 }
 727
 728 /* Callback called to process a single <banlist> tag
 729  */
 730 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 731 {
 732         const char* channel = values[0].GetString();
 733         int limit = values[1].GetInteger();
 734         conf->maxbans[channel] = limit;
 735         return true;
 736 }
 737
 738 /* Callback called when there are no more <banlist> tags.
 739  */
 740 bool DoneMaxBans(ServerConfig*, const char*)
 741 {
 742         return true;
 743 }
 744
 745 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 746 {
 747         ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 748         if (bail)
 749         {
 750                 /* Unneeded because of the ServerInstance->Log() aboive? */
 751                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 752                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 753         }
 754         else
 755         {
 756                 std::string errors = errormessage;
 757                 std::string::size_type start;
 758                 unsigned int prefixlen;
 759                 start = 0;
 760                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 761                 if (user)
 762                 {
 763                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 764                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 765                         while (start < errors.length())
 766                         {
 767                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 768                                 start += 510 - prefixlen;
 769                         }
 770                 }
 771                 else
 772                 {
 773                         ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
 774                         while (start < errors.length())
 775                         {
 776                                 ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360).c_str());
 777                                 start += 360;
 778                         }
 779                 }
 780                 return;
 781         }
 782 }
 783
 784 void ServerConfig::Read(bool bail, User* user)
 785 {
 786         int rem = 0, add = 0;      /* Number of modules added, number of modules removed */
 787
 788         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 789         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 790         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 791         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 792         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 793         errstr.clear();
 794
 795         include_stack.clear();
 796
 797         /* These tags MUST occur and must ONLY occur once in the config file */
 798         static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 799
 800         /* These tags can occur ONCE or not at all */
 801         InitialConfig Values[] = {
 802                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 803                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 804                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 805                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 806                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 807                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 808                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR,  ValidateSID},
 809                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 810                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 811                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 812                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 813                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 814                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 815                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 816                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  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",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 822                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 823                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 824                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 825                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 826                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 827                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 828                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 829                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 830                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 831                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 832                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 833                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 834                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 835                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 836                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 837                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 838                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 839                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 840                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 841                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 842                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 843                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 844                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 845                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 846                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 847                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 848                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 849                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 850                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 851                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 852                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 853                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 854                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 855                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 856                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 857         };
 858
 859         /* These tags can occur multiple times, and therefore they have special code to read them
 860          * which is different to the code for reading the singular tags listed above.
 861          */
 862         MultiConfig MultiValues[] = {
 863
 864                 {"connect",
 865                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 866                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 867                                 "name",         "parent",       "maxchans",     "limit",        "hash",
 868                                 NULL},
 869                                 {"",            "",             "",             "",             "120",          "",
 870                                  "",            "",             "",             "3",            "3",            "0",
 871                                  "",            "",             "0",        "0",        "",
 872                                  NULL},
 873                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 874                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 875                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 876                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 877                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
 878                                 InitConnect, DoConnect, DoneConnect},
 879
 880                 {"uline",
 881                                 {"server",      "silent",       NULL},
 882                                 {"",            "0",            NULL},
 883                                 {DT_HOSTNAME,   DT_BOOLEAN},
 884                                 InitULine,DoULine,DoneULine},
 885
 886                 {"banlist",
 887                                 {"chan",        "limit",        NULL},
 888                                 {"",            "",             NULL},
 889                                 {DT_CHARPTR,    DT_INTEGER},
 890                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 891
 892                 {"module",
 893                                 {"name",        NULL},
 894                                 {"",            NULL},
 895                                 {DT_CHARPTR},
 896                                 InitModule, DoModule, DoneModule},
 897
 898                 {"badip",
 899                                 {"reason",      "ipmask",       NULL},
 900                                 {"No reason",   "",             NULL},
 901                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 902                                 InitXLine, DoZLine, DoneConfItem},
 903
 904                 {"badnick",
 905                                 {"reason",      "nick",         NULL},
 906                                 {"No reason",   "",             NULL},
 907                                 {DT_CHARPTR,    DT_CHARPTR},
 908                                 InitXLine, DoQLine, DoneConfItem},
 909
 910                 {"badhost",
 911                                 {"reason",      "host",         NULL},
 912                                 {"No reason",   "",             NULL},
 913                                 {DT_CHARPTR,    DT_CHARPTR},
 914                                 InitXLine, DoKLine, DoneConfItem},
 915
 916                 {"exception",
 917                                 {"reason",      "host",         NULL},
 918                                 {"No reason",   "",             NULL},
 919                                 {DT_CHARPTR,    DT_CHARPTR},
 920                                 InitXLine, DoELine, DoneELine},
 921
 922                 {"type",
 923                                 {"name",        "classes",      NULL},
 924                                 {"",            "",             NULL},
 925                                 {DT_NOSPACES,   DT_CHARPTR},
 926                                 InitTypes, DoType, DoneClassesAndTypes},
 927
 928                 {"class",
 929                                 {"name",        "commands",     NULL},
 930                                 {"",            "",             NULL},
 931                                 {DT_NOSPACES,   DT_CHARPTR},
 932                                 InitClasses, DoClass, DoneClassesAndTypes},
 933
 934                 {NULL,
 935                                 {NULL},
 936                                 {NULL},
 937                                 {0},
 938                                 NULL, NULL, NULL}
 939         };
 940
 941         /* Load and parse the config file, if there are any errors then explode */
 942
 943         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 944         newconfig.clear();
 945
 946         if (this->DoInclude(newconfig, ServerInstance->ConfigFileName, errstr))
 947         {
 948                 /* If we succeeded, set the ircd config to the new one */
 949                 ServerInstance->Threads->Mutex(true);
 950                 this->config_data = newconfig;
 951                 ServerInstance->Threads->Mutex(false);
 952         }
 953         else
 954         {
 955                 ReportConfigError(errstr.str(), bail, user);
 956                 return;
 957         }
 958
 959         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 960         try
 961         {
 962                 /* Check we dont have more than one of singular tags, or any of them missing
 963                  */
 964                 for (int Index = 0; Once[Index]; Index++)
 965                         if (!CheckOnce(Once[Index]))
 966                                 return;
 967
 968                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 969                  */
 970                 for (int Index = 0; Values[Index].tag; Index++)
 971                 {
 972                         char item[MAXBUF];
 973                         int dt = Values[Index].datatype;
 974                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 975                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 976                         dt &= ~DT_ALLOW_NEWLINE;
 977                         dt &= ~DT_ALLOW_WILD;
 978
 979                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 980                         ValueItem vi(item);
 981
 982                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 983                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 984
 985                         ServerInstance->Threads->Mutex(true);
 986                         switch (Values[Index].datatype)
 987                         {
 988                                 case DT_NOSPACES:
 989                                 {
 990                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 991                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 992                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 993                                 }
 994                                 break;
 995                                 case DT_HOSTNAME:
 996                                 {
 997                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 998                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 999                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1000                                 }
1001                                 break;
1002                                 case DT_IPADDRESS:
1003                                 {
1004                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1005                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1006                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1007                                 }
1008                                 break;
1009                                 case DT_CHANNEL:
1010                                 {
1011                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1012                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1013                                         {
1014                                                 ServerInstance->Threads->Mutex(false);
1015                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1016                                         }
1017                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1018                                 }
1019                                 break;
1020                                 case DT_CHARPTR:
1021                                 {
1022                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1023                                         /* Make sure we also copy the null terminator */
1024                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1025                                 }
1026                                 break;
1027                                 case DT_INTEGER:
1028                                 {
1029                                         int val = vi.GetInteger();
1030                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1031                                         vci->Set(&val, sizeof(int));
1032                                 }
1033                                 break;
1034                                 case DT_BOOLEAN:
1035                                 {
1036                                         bool val = vi.GetBool();
1037                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1038                                         vcb->Set(&val, sizeof(bool));
1039                                 }
1040                                 break;
1041                                 default:
1042                                         /* You don't want to know what happens if someones bad code sends us here. */
1043                                 break;
1044                         }
1045                         /* We're done with this now */
1046                         delete Values[Index].val;
1047                         ServerInstance->Threads->Mutex(false);
1048                 }
1049
1050                 /* Read the multiple-tag items (class tags, connect tags, etc)
1051                  * and call the callbacks associated with them. We have three
1052                  * callbacks for these, a 'start', 'item' and 'end' callback.
1053                  */
1054                 for (int Index = 0; MultiValues[Index].tag; Index++)
1055                 {
1056                         ServerInstance->Threads->Mutex(true);
1057                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1058                         ServerInstance->Threads->Mutex(false);
1059
1060                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1061
1062                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1063                         {
1064                                 ValueList vl;
1065                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1066                                 {
1067                                         int dt = MultiValues[Index].datatype[valuenum];
1068                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1069                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1070                                         dt &= ~DT_ALLOW_NEWLINE;
1071                                         dt &= ~DT_ALLOW_WILD;
1072
1073                                         ServerInstance->Threads->Mutex(true);
1074                                         /* We catch and rethrow any exception here just so we can free our mutex
1075                                          */
1076                                         try
1077                                         {
1078                                                 switch (dt)
1079                                                 {
1080                                                         case DT_NOSPACES:
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->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1088                                                         }
1089                                                         break;
1090                                                         case DT_HOSTNAME:
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                                                                 this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1098                                                         }
1099                                                         break;
1100                                                         case DT_IPADDRESS:
1101                                                         {
1102                                                                 char item[MAXBUF];
1103                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1104                                                                         vl.push_back(ValueItem(item));
1105                                                                 else
1106                                                                         vl.push_back(ValueItem(""));
1107                                                                 this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1108                                                         }
1109                                                         break;
1110                                                         case DT_CHANNEL:
1111                                                         {
1112                                                                 char item[MAXBUF];
1113                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1114                                                                         vl.push_back(ValueItem(item));
1115                                                                 else
1116                                                                         vl.push_back(ValueItem(""));
1117                                                                 if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1118                                                                         throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1119                                                         }
1120                                                         break;
1121                                                         case DT_CHARPTR:
1122                                                         {
1123                                                                 char item[MAXBUF];
1124                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1125                                                                         vl.push_back(ValueItem(item));
1126                                                                 else
1127                                                                         vl.push_back(ValueItem(""));
1128                                                         }
1129                                                         break;
1130                                                         case DT_INTEGER:
1131                                                         {
1132                                                                 int item = 0;
1133                                                                 if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1134                                                                         vl.push_back(ValueItem(item));
1135                                                                 else
1136                                                                         vl.push_back(ValueItem(0));
1137                                                         }
1138                                                         break;
1139                                                         case DT_BOOLEAN:
1140                                                         {
1141                                                                 bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1142                                                                 vl.push_back(ValueItem(item));
1143                                                         }
1144                                                         break;
1145                                                         default:
1146                                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
1147                                                         break;
1148                                                 }
1149                                         }
1150                                         catch (CoreException &e)
1151                                         {
1152                                                 ServerInstance->Threads->Mutex(false);
1153                                                 throw e;
1154                                         }
1155                                         ServerInstance->Threads->Mutex(false);
1156                                 }
1157                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1158                         }
1159                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1160                 }
1161
1162         }
1163
1164         catch (CoreException &ce)
1165         {
1166                 ReportConfigError(ce.GetReason(), bail, user);
1167                 return;
1168         }
1169
1170         // write once here, to try it out and make sure its ok
1171         ServerInstance->WritePID(this->PID);
1172
1173         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1174
1175         /* Switch over logfiles */
1176         ServerInstance->Logs->CloseLogs();
1177         ServerInstance->Logs->OpenFileLogs();
1178
1179         /* If we're rehashing, let's load any new modules, and unload old ones
1180          */
1181         if (!bail)
1182         {
1183                 int found_ports = 0;
1184                 FailedPortList pl;
1185                 ServerInstance->BindPorts(false, found_ports, pl);
1186
1187                 if (pl.size() && user)
1188                 {
1189                         ServerInstance->Threads->Mutex(true);
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                         ServerInstance->Threads->Mutex(false);
1198                 }
1199
1200                 ServerInstance->Threads->Mutex(true);
1201                 if (!removed_modules.empty())
1202                 {
1203                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1204                         {
1205                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1206                                 {
1207                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str());
1208
1209                                         if (user)
1210                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1211
1212                                         rem++;
1213                                 }
1214                                 else
1215                                 {
1216                                         if (user)
1217                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str());
1218                                 }
1219                         }
1220                 }
1221
1222                 if (!added_modules.empty())
1223                 {
1224                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1225                         {
1226                                 if (ServerInstance->Modules->Load(adding->c_str()))
1227                                 {
1228                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str());
1229
1230                                         if (user)
1231                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1232
1233                                         add++;
1234                                 }
1235                                 else
1236                                 {
1237                                         if (user)
1238                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str());
1239                                 }
1240                         }
1241                 }
1242
1243                 ServerInstance->Log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
1244
1245                 ServerInstance->Threads->Mutex(false);
1246
1247         }
1248
1249         /** Note: This is safe, the method checks for user == NULL */
1250         ServerInstance->Threads->Mutex(true);
1251         ServerInstance->Parser->SetupCommandTable(user);
1252         ServerInstance->Threads->Mutex(false);
1253
1254         if (user)
1255                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1256         else
1257                 ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server.");
1258
1259 }
1260
1261
1262 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const char* filename, std::ostringstream &errorstream)
1263 {
1264         std::string line;
1265         char ch;
1266         long linenumber;
1267         bool in_tag;
1268         bool in_quote;
1269         bool in_comment;
1270         int character_count = 0;
1271
1272         linenumber = 1;
1273         in_tag = false;
1274         in_quote = false;
1275         in_comment = false;
1276
1277         ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading %s", filename);
1278
1279         /* Check if the file open failed first */
1280         if (!conf)
1281         {
1282                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1283                 return false;
1284         }
1285
1286         for (unsigned int t = 0; t < include_stack.size(); t++)
1287         {
1288                 if (std::string(filename) == include_stack[t])
1289                 {
1290                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1291                         return false;
1292                 }
1293         }
1294
1295         /* It's not already included, add it to the list of files we've loaded */
1296         include_stack.push_back(filename);
1297
1298         /* Start reading characters... */
1299         while (!feof(conf))
1300         {
1301                 ch = fgetc(conf);
1302                 /*
1303                  * Fix for moronic windows issue spotted by Adremelech.
1304                  * Some windows editors save text files as utf-16, which is
1305                  * a total pain in the ass to parse. Users should save in the
1306                  * right config format! If we ever see a file where the first
1307                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1308                  * this is most likely a utf-16 file. Bail out and insult user.
1309                  */
1310                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1311                 {
1312                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1313                         return false;
1314                 }
1315
1316                 /*
1317                  * Here we try and get individual tags on separate lines,
1318                  * this would be so easy if we just made people format
1319                  * their config files like that, but they don't so...
1320                  * We check for a '<' and then know the line is over when
1321                  * we get a '>' not inside quotes. If we find two '<' and
1322                  * no '>' then die with an error.
1323                  */
1324
1325                 if ((ch == '#') && !in_quote)
1326                         in_comment = true;
1327
1328                 switch (ch)
1329                 {
1330                         case '\n':
1331                                 if (in_quote)
1332                                         line += '\n';
1333                                 linenumber++;
1334                         case '\r':
1335                                 if (!in_quote)
1336                                         in_comment = false;
1337                         case '\0':
1338                                 continue;
1339                         case '\t':
1340                                 ch = ' ';
1341                 }
1342
1343                 if(in_comment)
1344                         continue;
1345
1346                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1347                  * Note that this WILL NOT usually allow insertion of newlines,
1348                  * because a newline is two characters long. Use it primarily to
1349                  * insert the " symbol.
1350                  *
1351                  * Note that this also involves a further check when parsing the line,
1352                  * which can be found below.
1353                  */
1354                 if ((ch == '\\') && (in_quote) && (in_tag))
1355                 {
1356                         line += ch;
1357                         char real_character;
1358                         if (!feof(conf))
1359                         {
1360                                 real_character = fgetc(conf);
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                         {
1430                                 if (in_tag)
1431                                 {
1432                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1433                                         in_tag = false;
1434
1435                                         /*
1436                                          * If this finds an <include> then ParseLine can simply call
1437                                          * LoadConf() and load the included config into the same ConfigDataHash
1438                                          */
1439
1440                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1441                                                 return false;
1442
1443                                         line.clear();
1444                                 }
1445                                 else
1446                                 {
1447                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1448                                         return false;
1449                                 }
1450                         }
1451                 }
1452         }
1453
1454         /* 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 */
1455         if (in_comment || in_quote)
1456         {
1457                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1458                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1459         }
1460
1461         return true;
1462 }
1463
1464
1465 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream)
1466 {
1467         return this->LoadConf(target, conf, filename.c_str(), errorstream);
1468 }
1469
1470 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
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 the quotes, we have the current 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))
1570                                                                 return false;
1571                                                 }
1572                                                 else if ((tagname == "include") && (current_key == "executable"))
1573                                                 {
1574                                                         /* Pipe an executable and use its stdout as config data */
1575                                                         if (!this->DoPipe(target, current_value, errorstream))
1576                                                                 return false;
1577                                                 }
1578
1579                                                 current_key.clear();
1580                                                 current_value.clear();
1581                                         }
1582                                 }
1583                                 else
1584                                 {
1585                                         if (in_quote)
1586                                         {
1587                                                 current_value += *c;
1588                                         }
1589                                 }
1590                         }
1591                 }
1592         }
1593
1594         /* Finished parsing the tag, add it to the config hash */
1595         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1596
1597         return true;
1598 }
1599
1600 bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1601 {
1602         FILE* conf = popen(file.c_str(), "r");
1603         bool ret = false;
1604
1605         if (conf)
1606         {
1607                 ret = LoadConf(target, conf, file.c_str(), errorstream);
1608                 pclose(conf);
1609         }
1610         else
1611                 errorstream << "Couldn't execute: " << file << std::endl;
1612
1613         return ret;
1614 }
1615
1616 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1617 {
1618         std::string confpath;
1619         std::string newfile;
1620         std::string::size_type pos;
1621
1622         confpath = ServerInstance->ConfigFileName;
1623         newfile = file;
1624
1625         std::replace(newfile.begin(),newfile.end(),'\\','/');
1626         std::replace(confpath.begin(),confpath.end(),'\\','/');
1627
1628         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1629         {
1630                 if((pos = confpath.rfind("/")) != std::string::npos)
1631                 {
1632                         /* Leaves us with just the path */
1633                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1634                 }
1635                 else
1636                 {
1637                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1638                         return false;
1639                 }
1640         }
1641
1642         FILE* conf = fopen(newfile.c_str(), "r");
1643         bool ret = false;
1644
1645         if (conf)
1646         {
1647                 ret = LoadConf(target, conf, newfile, errorstream);
1648                 fclose(conf);
1649         }
1650         else
1651                 errorstream << "Couldn't open config file: " << file << std::endl;
1652
1653         return ret;
1654 }
1655
1656 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1657 {
1658         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1659 }
1660
1661 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1662 {
1663         std::string value;
1664         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1665         strlcpy(result, value.c_str(), length);
1666         return r;
1667 }
1668
1669 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1670 {
1671         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1672 }
1673
1674 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)
1675 {
1676         ConfigDataHash::size_type pos = index;
1677         if (pos < target.count(tag))
1678         {
1679                 ConfigDataHash::iterator iter = target.find(tag);
1680
1681                 for(int i = 0; i < index; i++)
1682                         iter++;
1683
1684                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1685                 {
1686                         if(j->first == var)
1687                         {
1688                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1689                                 {
1690                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1691                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1692                                                 if (*n == '\n')
1693                                                         *n = ' ';
1694                                 }
1695                                 else
1696                                 {
1697                                         result = j->second;
1698                                         return true;
1699                                 }
1700                         }
1701                 }
1702                 if (!default_value.empty())
1703                 {
1704                         result = default_value;
1705                         return true;
1706                 }
1707         }
1708         else if(pos == 0)
1709         {
1710                 if (!default_value.empty())
1711                 {
1712                         result = default_value;
1713                         return true;
1714                 }
1715         }
1716         return false;
1717 }
1718
1719 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1720 {
1721         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1722 }
1723
1724 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1725 {
1726         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1727 }
1728
1729 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1730 {
1731         return ConfValueInteger(target, tag, var, "", index, result);
1732 }
1733
1734 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1735 {
1736         std::string value;
1737         std::istringstream stream;
1738         bool r = ConfValue(target, tag, var, default_value, index, value);
1739         stream.str(value);
1740         if(!(stream >> result))
1741                 return false;
1742         else
1743         {
1744                 if (!value.empty())
1745                 {
1746                         if (value.substr(0,2) == "0x")
1747                         {
1748                                 char* endptr;
1749
1750                                 value.erase(0,2);
1751                                 result = strtol(value.c_str(), &endptr, 16);
1752
1753                                 /* No digits found */
1754                                 if (endptr == value.c_str())
1755                                         return false;
1756                         }
1757                         else
1758                         {
1759                                 char denominator = *(value.end() - 1);
1760                                 switch (toupper(denominator))
1761                                 {
1762                                         case 'K':
1763                                                 /* Kilobytes -> bytes */
1764                                                 result = result * 1024;
1765                                         break;
1766                                         case 'M':
1767                                                 /* Megabytes -> bytes */
1768                                                 result = result * 1024 * 1024;
1769                                         break;
1770                                         case 'G':
1771                                                 /* Gigabytes -> bytes */
1772                                                 result = result * 1024 * 1024 * 1024;
1773                                         break;
1774                                 }
1775                         }
1776                 }
1777         }
1778         return r;
1779 }
1780
1781
1782 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1783 {
1784         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1785 }
1786
1787 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1788 {
1789         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1790 }
1791
1792 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1793 {
1794         return ConfValueBool(target, tag, var, "", index);
1795 }
1796
1797 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1798 {
1799         std::string result;
1800         if(!ConfValue(target, tag, var, default_value, index, result))
1801                 return false;
1802
1803         return ((result == "yes") || (result == "true") || (result == "1"));
1804 }
1805
1806 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1807 {
1808         return target.count(tag);
1809 }
1810
1811 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1812 {
1813         return target.count(tag);
1814 }
1815
1816 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1817 {
1818         return ConfVarEnum(target, std::string(tag), index);
1819 }
1820
1821 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1822 {
1823         ConfigDataHash::size_type pos = index;
1824
1825         if (pos < target.count(tag))
1826         {
1827                 ConfigDataHash::const_iterator iter = target.find(tag);
1828
1829                 for(int i = 0; i < index; i++)
1830                         iter++;
1831
1832                 return iter->second.size();
1833         }
1834
1835         return 0;
1836 }
1837
1838 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1839  */
1840 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1841 {
1842         if (!fname || !*fname)
1843                 return false;
1844
1845         FILE* file = NULL;
1846         char linebuf[MAXBUF];
1847
1848         F.clear();
1849
1850         if ((*fname != '/') && (*fname != '\\'))
1851         {
1852                 std::string::size_type pos;
1853                 std::string confpath = ServerInstance->ConfigFileName;
1854                 std::string newfile = fname;
1855
1856                 if ((pos = confpath.rfind("/")) != std::string::npos)
1857                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1858                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1859                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1860
1861                 if (!FileExists(newfile.c_str()))
1862                         return false;
1863                 file =  fopen(newfile.c_str(), "r");
1864         }
1865         else
1866         {
1867                 if (!FileExists(fname))
1868                         return false;
1869                 file =  fopen(fname, "r");
1870         }
1871
1872         if (file)
1873         {
1874                 while (!feof(file))
1875                 {
1876                         if (fgets(linebuf, sizeof(linebuf), file))
1877                                 linebuf[strlen(linebuf)-1] = 0;
1878                         else
1879                                 *linebuf = 0;
1880
1881                         if (!feof(file))
1882                         {
1883                                 F.push_back(*linebuf ? linebuf : " ");
1884                         }
1885                 }
1886
1887                 fclose(file);
1888         }
1889         else
1890                 return false;
1891
1892         return true;
1893 }
1894
1895 bool ServerConfig::FileExists(const char* file)
1896 {
1897         struct stat sb;
1898         if (stat(file, &sb) == -1)
1899                 return false;
1900
1901         if ((sb.st_mode & S_IFDIR) > 0)
1902                 return false;
1903
1904         FILE *input;
1905         if ((input = fopen (file, "r")) == NULL)
1906                 return false;
1907         else
1908         {
1909                 fclose(input);
1910                 return true;
1911         }
1912 }
1913
1914 char* ServerConfig::CleanFilename(char* name)
1915 {
1916         char* p = name + strlen(name);
1917         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1918         return (p != name ? ++p : p);
1919 }
1920
1921
1922 bool ServerConfig::DirValid(const char* dirandfile)
1923 {
1924 #ifdef WINDOWS
1925         return true;
1926 #endif
1927
1928         char work[1024];
1929         char buffer[1024];
1930         char otherdir[1024];
1931         int p;
1932
1933         strlcpy(work, dirandfile, 1024);
1934         p = strlen(work);
1935
1936         // we just want the dir
1937         while (*work)
1938         {
1939                 if (work[p] == '/')
1940                 {
1941                         work[p] = '\0';
1942                         break;
1943                 }
1944
1945                 work[p--] = '\0';
1946         }
1947
1948         // Get the current working directory
1949         if (getcwd(buffer, 1024 ) == NULL )
1950                 return false;
1951
1952         if (chdir(work) == -1)
1953                 return false;
1954
1955         if (getcwd(otherdir, 1024 ) == NULL )
1956                 return false;
1957
1958         if (chdir(buffer) == -1)
1959                 return false;
1960
1961         size_t t = strlen(work);
1962
1963         if (strlen(otherdir) >= t)
1964         {
1965                 otherdir[t] = '\0';
1966                 if (!strcmp(otherdir,work))
1967                 {
1968                         return true;
1969                 }
1970
1971                 return false;
1972         }
1973         else
1974         {
1975                 return false;
1976         }
1977 }
1978
1979 std::string ServerConfig::GetFullProgDir()
1980 {
1981         char buffer[PATH_MAX+1];
1982 #ifdef WINDOWS
1983         /* Windows has specific api calls to get the exe path that never fail.
1984          * For once, windows has something of use, compared to the POSIX code
1985          * for this, this is positively neato.
1986          */
1987         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1988         {
1989                 std::string fullpath = buffer;
1990                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1991                 return std::string(fullpath, 0, n);
1992         }
1993 #else
1994         // Get the current working directory
1995         if (getcwd(buffer, PATH_MAX))
1996         {
1997                 std::string remainder = this->argv[0];
1998
1999                 /* Does argv[0] start with /? its a full path, use it */
2000                 if (remainder[0] == '/')
2001                 {
2002                         std::string::size_type n = remainder.rfind("/inspircd");
2003                         return std::string(remainder, 0, n);
2004                 }
2005
2006                 std::string fullpath = std::string(buffer) + "/" + remainder;
2007                 std::string::size_type n = fullpath.rfind("/inspircd");
2008                 return std::string(fullpath, 0, n);
2009         }
2010 #endif
2011         return "/";
2012 }
2013
2014 InspIRCd* ServerConfig::GetInstance()
2015 {
2016         return ServerInstance;
2017 }
2018
2019 std::string ServerConfig::GetSID()
2020 {
2021         return sid;
2022 }
2023
2024 ValueItem::ValueItem(int value)
2025 {
2026         std::stringstream n;
2027         n << value;
2028         v = n.str();
2029 }
2030
2031 ValueItem::ValueItem(bool value)
2032 {
2033         std::stringstream n;
2034         n << value;
2035         v = n.str();
2036 }
2037
2038 ValueItem::ValueItem(const char* value)
2039 {
2040         v = value;
2041 }
2042
2043 void ValueItem::Set(const char* value)
2044 {
2045         v = value;
2046 }
2047
2048 void ValueItem::Set(int value)
2049 {
2050         std::stringstream n;
2051         n << value;
2052         v = n.str();
2053 }
2054
2055 int ValueItem::GetInteger()
2056 {
2057         if (v.empty())
2058                 return 0;
2059         return atoi(v.c_str());
2060 }
2061
2062 char* ValueItem::GetString()
2063 {
2064         return (char*)v.c_str();
2065 }
2066
2067 bool ValueItem::GetBool()
2068 {
2069         return (GetInteger() || v == "yes" || v == "true");
2070 }
2071
2072
2073
2074
2075 /*
2076  * XXX should this be in a class? -- w00t
2077  */
2078 bool InitTypes(ServerConfig* conf, const char*)
2079 {
2080         if (conf->opertypes.size())
2081         {
2082                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2083                 {
2084                         if (n->second)
2085                                 delete[] n->second;
2086                 }
2087         }
2088
2089         conf->opertypes.clear();
2090         return true;
2091 }
2092
2093 /*
2094  * XXX should this be in a class? -- w00t
2095  */
2096 bool InitClasses(ServerConfig* conf, const char*)
2097 {
2098         if (conf->operclass.size())
2099         {
2100                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2101                 {
2102                         if (n->second)
2103                                 delete[] n->second;
2104                 }
2105         }
2106
2107         conf->operclass.clear();
2108         return true;
2109 }
2110
2111 /*
2112  * XXX should this be in a class? -- w00t
2113  */
2114 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2115 {
2116         const char* TypeName = values[0].GetString();
2117         const char* Classes = values[1].GetString();
2118
2119         conf->opertypes[TypeName] = strnewdup(Classes);
2120         return true;
2121 }
2122
2123 /*
2124  * XXX should this be in a class? -- w00t
2125  */
2126 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2127 {
2128         const char* ClassName = values[0].GetString();
2129         const char* CommandList = values[1].GetString();
2130
2131         conf->operclass[ClassName] = strnewdup(CommandList);
2132         return true;
2133 }
2134
2135 /*
2136  * XXX should this be in a class? -- w00t
2137  */
2138 bool DoneClassesAndTypes(ServerConfig*, const char*)
2139 {
2140         return true;
2141 }
2142
2143
2144
2145 bool InitXLine(ServerConfig* conf, const char* tag)
2146 {
2147         return true;
2148 }
2149
2150 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2151 {
2152         const char* reason = values[0].GetString();
2153         const char* ipmask = values[1].GetString();
2154
2155         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2156         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2157                 delete zl;
2158
2159         return true;
2160 }
2161
2162 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2163 {
2164         const char* reason = values[0].GetString();
2165         const char* nick = values[1].GetString();
2166
2167         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2168         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2169                 delete ql;
2170
2171         return true;
2172 }
2173
2174 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2175 {
2176         const char* reason = values[0].GetString();
2177         const char* host = values[1].GetString();
2178
2179         XLineManager* xlm = conf->GetInstance()->XLines;
2180
2181         IdentHostPair ih = xlm->IdentSplit(host);
2182
2183         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2184         if (!xlm->AddLine(kl, NULL))
2185                 delete kl;
2186         return true;
2187 }
2188
2189 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2190 {
2191         const char* reason = values[0].GetString();
2192         const char* host = values[1].GetString();
2193
2194         XLineManager* xlm = conf->GetInstance()->XLines;
2195
2196         IdentHostPair ih = xlm->IdentSplit(host);
2197
2198         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2199         if (!xlm->AddLine(el, NULL))
2200                 delete el;
2201         return true;
2202 }
2203
2204 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2205 bool DoneELine(ServerConfig* conf, const char* tag)
2206 {
2207         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2208         {
2209                 User* u = (User*)(*u2);
2210                 u->exempt = false;
2211         }
2212
2213         conf->GetInstance()->XLines->CheckELines();
2214         return true;
2215 }
2216
2217 void ConfigReaderThread::Run()
2218 {
2219         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2220         ServerInstance->Config->Read(do_bail, TheUser);
2221         ServerInstance->Threads->Mutex(true);
2222         this->SetExitFlag();
2223         ServerInstance->Threads->Mutex(false);
2224 }
2225