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(); i++)
 524         {
 525                 ConnectClass *c = *i;
 526
 527                 conf->GetInstance()->Logs->Log("CONFIG",DEBUG, "Address of class is %p", c);
 528         }
 529
 530         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 531         {
 532                 ConnectClass* c = *i;
 533
 534                 /* only delete a class with refcount 0 */
 535                 if (c->RefCount == 0)
 536                 {
 537                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
 538
 539                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 540                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 541                          * Now the increment is in the else { } below.
 542                          */
 543                         conf->Classes.erase(i);
 544                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 545                 }
 546                 else
 547                 {
 548                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 549                         c->SetDisabled(true);
 550                         i++;
 551                 }
 552         }
 553
 554         return true;
 555 }
 556
 557 /* Callback called to process a single <connect> tag
 558  */
 559 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 560 {
 561         ConnectClass c;
 562         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 563         const char* deny = values[1].GetString();
 564         const char* password = values[2].GetString();
 565         int timeout = values[3].GetInteger();
 566         int pingfreq = values[4].GetInteger();
 567         int flood = values[5].GetInteger();
 568         int threshold = values[6].GetInteger();
 569         int sendq = values[7].GetInteger();
 570         int recvq = values[8].GetInteger();
 571         int localmax = values[9].GetInteger();
 572         int globalmax = values[10].GetInteger();
 573         int port = values[11].GetInteger();
 574         const char* name = values[12].GetString();
 575         const char* parent = values[13].GetString();
 576         int maxchans = values[14].GetInteger();
 577         unsigned long limit = values[15].GetInteger();
 578         const char* hashtype = values[16].GetString();
 579
 580         /*
 581          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 582          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 583          */
 584         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 585         {
 586                 ConnectClass* cc = *item;
 587                 if ((*name && (cc->GetName() == name)) || (*allow && (cc->GetHost() == allow)) || (*deny && (cc->GetHost() == deny)))
 588                 {
 589                         /* reenable class so users can be shoved into it :P */
 590                         cc->SetDisabled(false);
 591                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
 592                         return true;
 593                 }
 594         }
 595
 596         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
 597
 598         if (*parent)
 599         {
 600                 /* Find 'parent' and inherit a new class from it,
 601                  * then overwrite any values that are set here
 602                  */
 603                 ClassVector::iterator item = conf->Classes.begin();
 604                 for (; item != conf->Classes.end(); ++item)
 605                 {
 606                         ConnectClass* cc = *item;
 607                         conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
 608                         if (cc->GetName() == parent)
 609                         {
 610                                 ConnectClass* newclass = new ConnectClass(name, cc);
 611                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 612                                 conf->Classes.push_back(newclass);
 613                                 break;
 614                         }
 615                 }
 616                 if (item == conf->Classes.end())
 617                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 618         }
 619         else
 620         {
 621                 if (*allow)
 622                 {
 623                         ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
 624                         cc->limit = limit;
 625                         cc->SetPort(port);
 626                         conf->Classes.push_back(cc);
 627                 }
 628                 else
 629                 {
 630                         ConnectClass* cc = new ConnectClass(name, deny);
 631                         cc->SetPort(port);
 632                         conf->Classes.push_back(cc);
 633                 }
 634         }
 635
 636         return true;
 637 }
 638
 639 /* Callback called when there are no more <connect> tags
 640  */
 641 bool DoneConnect(ServerConfig *conf, const char*)
 642 {
 643         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
 644         return true;
 645 }
 646
 647 /* Callback called before processing the first <uline> tag
 648  */
 649 bool InitULine(ServerConfig* conf, const char*)
 650 {
 651         conf->ulines.clear();
 652         return true;
 653 }
 654
 655 /* Callback called to process a single <uline> tag
 656  */
 657 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 658 {
 659         const char* server = values[0].GetString();
 660         const bool silent = values[1].GetBool();
 661         conf->ulines[server] = silent;
 662         return true;
 663 }
 664
 665 /* Callback called when there are no more <uline> tags
 666  */
 667 bool DoneULine(ServerConfig*, const char*)
 668 {
 669         return true;
 670 }
 671
 672 /* Callback called before processing the first <module> tag
 673  */
 674 bool InitModule(ServerConfig* conf, const char*)
 675 {
 676         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 677         new_module_names.clear();
 678         added_modules.clear();
 679         removed_modules.clear();
 680         return true;
 681 }
 682
 683 /* Callback called to process a single <module> tag
 684  */
 685 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 686 {
 687         const char* modname = values[0].GetString();
 688         new_module_names.push_back(modname);
 689         return true;
 690 }
 691
 692 /* Callback called when there are no more <module> tags
 693  */
 694 bool DoneModule(ServerConfig*, const char*)
 695 {
 696         // now create a list of new modules that are due to be loaded
 697         // and a seperate list of modules which are due to be unloaded
 698         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 699         {
 700                 bool added = true;
 701
 702                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 703                 {
 704                         if (*old == *_new)
 705                                 added = false;
 706                 }
 707
 708                 if (added)
 709                         added_modules.push_back(*_new);
 710         }
 711
 712         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 713         {
 714                 bool removed = true;
 715                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 716                 {
 717                         if (*newm == *oldm)
 718                                 removed = false;
 719                 }
 720
 721                 if (removed)
 722                         removed_modules.push_back(*oldm);
 723         }
 724         return true;
 725 }
 726
 727 /* Callback called before processing the first <banlist> tag
 728  */
 729 bool InitMaxBans(ServerConfig* conf, const char*)
 730 {
 731         conf->maxbans.clear();
 732         return true;
 733 }
 734
 735 /* Callback called to process a single <banlist> tag
 736  */
 737 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 738 {
 739         const char* channel = values[0].GetString();
 740         int limit = values[1].GetInteger();
 741         conf->maxbans[channel] = limit;
 742         return true;
 743 }
 744
 745 /* Callback called when there are no more <banlist> tags.
 746  */
 747 bool DoneMaxBans(ServerConfig*, const char*)
 748 {
 749         return true;
 750 }
 751
 752 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 753 {
 754         ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 755         if (bail)
 756         {
 757                 /* Unneeded because of the ServerInstance->Log() aboive? */
 758                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 759                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 760         }
 761         else
 762         {
 763                 std::string errors = errormessage;
 764                 std::string::size_type start;
 765                 unsigned int prefixlen;
 766                 start = 0;
 767                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 768                 if (user)
 769                 {
 770                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 771                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 772                         while (start < errors.length())
 773                         {
 774                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 775                                 start += 510 - prefixlen;
 776                         }
 777                 }
 778                 else
 779                 {
 780                         ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
 781                         while (start < errors.length())
 782                         {
 783                                 ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360).c_str());
 784                                 start += 360;
 785                         }
 786                 }
 787                 return;
 788         }
 789 }
 790
 791 void ServerConfig::Read(bool bail, User* user, int pass)
 792 {
 793         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 794
 795         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 796         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 797         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 798         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 799         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 800         errstr.clear();
 801
 802         /* These tags MUST occur and must ONLY occur once in the config file */
 803         static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 804
 805         /* These tags can occur ONCE or not at all */
 806         InitialConfig Values[] = {
 807                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 808                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 809                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 810                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 811                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 812                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 813                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR,  ValidateSID},
 814                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 815                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 816                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 817                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 818                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 819                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 820                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 821                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  NoValidation},
 822                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 823                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 824                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 825                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 826                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 827                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 828                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 829                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 830                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 831                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 832                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 833                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 834                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 835                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 836                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 837                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 838                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 839                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 840                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 841                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 842                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 843                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 844                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 845                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 846                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 847                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 848                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 849                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 850                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 851                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 852                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 853                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 854                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 855                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 856                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 857                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 858                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 859                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 860                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 861                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 862         };
 863
 864         /* These tags can occur multiple times, and therefore they have special code to read them
 865          * which is different to the code for reading the singular tags listed above.
 866          */
 867         MultiConfig MultiValues[] = {
 868
 869                 {"connect",
 870                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 871                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 872                                 "name",         "parent",       "maxchans",     "limit",        "hash",
 873                                 NULL},
 874                                 {"",            "",             "",             "",             "120",          "",
 875                                  "",            "",             "",             "3",            "3",            "0",
 876                                  "",            "",             "0",        "0",        "",
 877                                  NULL},
 878                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 879                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 880                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 881                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 882                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
 883                                 InitConnect, DoConnect, DoneConnect},
 884
 885                 {"uline",
 886                                 {"server",      "silent",       NULL},
 887                                 {"",            "0",            NULL},
 888                                 {DT_HOSTNAME,   DT_BOOLEAN},
 889                                 InitULine,DoULine,DoneULine},
 890
 891                 {"banlist",
 892                                 {"chan",        "limit",        NULL},
 893                                 {"",            "",             NULL},
 894                                 {DT_CHARPTR,    DT_INTEGER},
 895                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 896
 897                 {"module",
 898                                 {"name",        NULL},
 899                                 {"",            NULL},
 900                                 {DT_CHARPTR},
 901                                 InitModule, DoModule, DoneModule},
 902
 903                 {"badip",
 904                                 {"reason",      "ipmask",       NULL},
 905                                 {"No reason",   "",             NULL},
 906                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 907                                 InitXLine, DoZLine, DoneConfItem},
 908
 909                 {"badnick",
 910                                 {"reason",      "nick",         NULL},
 911                                 {"No reason",   "",             NULL},
 912                                 {DT_CHARPTR,    DT_CHARPTR},
 913                                 InitXLine, DoQLine, DoneConfItem},
 914
 915                 {"badhost",
 916                                 {"reason",      "host",         NULL},
 917                                 {"No reason",   "",             NULL},
 918                                 {DT_CHARPTR,    DT_CHARPTR},
 919                                 InitXLine, DoKLine, DoneConfItem},
 920
 921                 {"exception",
 922                                 {"reason",      "host",         NULL},
 923                                 {"No reason",   "",             NULL},
 924                                 {DT_CHARPTR,    DT_CHARPTR},
 925                                 InitXLine, DoELine, DoneELine},
 926
 927                 {"type",
 928                                 {"name",        "classes",      NULL},
 929                                 {"",            "",             NULL},
 930                                 {DT_NOSPACES,   DT_CHARPTR},
 931                                 InitTypes, DoType, DoneClassesAndTypes},
 932
 933                 {"class",
 934                                 {"name",        "commands",     NULL},
 935                                 {"",            "",             NULL},
 936                                 {DT_NOSPACES,   DT_CHARPTR},
 937                                 InitClasses, DoClass, DoneClassesAndTypes},
 938
 939                 {NULL,
 940                                 {NULL},
 941                                 {NULL},
 942                                 {0},
 943                                 NULL, NULL, NULL}
 944         };
 945
 946         /* Load and parse the config file, if there are any errors then explode */
 947
 948         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 949         newconfig.clear();
 950
 951         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr, pass))
 952         {
 953                 /* If we succeeded, set the ircd config to the new one */
 954                 this->config_data = newconfig;
 955         }
 956         else
 957         {
 958                 ReportConfigError(errstr.str(), bail, user);
 959                 return;
 960         }
 961
 962         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 963         try
 964         {
 965                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 966                  */
 967                 for (int Index = 0; Values[Index].tag; Index++)
 968                 {
 969                         char item[MAXBUF];
 970                         int dt = Values[Index].datatype;
 971                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 972                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 973                         dt &= ~DT_ALLOW_NEWLINE;
 974                         dt &= ~DT_ALLOW_WILD;
 975
 976                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 977                         ValueItem vi(item);
 978
 979                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 980                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 981
 982                         switch (Values[Index].datatype)
 983                         {
 984                                 case DT_NOSPACES:
 985                                 {
 986                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 987                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 988                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 989                                 }
 990                                 break;
 991                                 case DT_HOSTNAME:
 992                                 {
 993                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 994                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 995                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 996                                 }
 997                                 break;
 998                                 case DT_IPADDRESS:
 999                                 {
1000                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1001                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1002                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1003                                 }
1004                                 break;
1005                                 case DT_CHANNEL:
1006                                 {
1007                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1008                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1009                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1010                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1011                                 }
1012                                 break;
1013                                 case DT_CHARPTR:
1014                                 {
1015                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1016                                         /* Make sure we also copy the null terminator */
1017                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1018                                 }
1019                                 break;
1020                                 case DT_INTEGER:
1021                                 {
1022                                         int val = vi.GetInteger();
1023                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1024                                         vci->Set(&val, sizeof(int));
1025                                 }
1026                                 break;
1027                                 case DT_BOOLEAN:
1028                                 {
1029                                         bool val = vi.GetBool();
1030                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1031                                         vcb->Set(&val, sizeof(bool));
1032                                 }
1033                                 break;
1034                                 default:
1035                                         /* You don't want to know what happens if someones bad code sends us here. */
1036                                 break;
1037                         }
1038                         /* We're done with this now */
1039                         delete Values[Index].val;
1040                 }
1041
1042                 /* Read the multiple-tag items (class tags, connect tags, etc)
1043                  * and call the callbacks associated with them. We have three
1044                  * callbacks for these, a 'start', 'item' and 'end' callback.
1045                  */
1046                 for (int Index = 0; MultiValues[Index].tag; Index++)
1047                 {
1048                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1049
1050                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1051
1052                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1053                         {
1054                                 ValueList vl;
1055                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1056                                 {
1057                                         int dt = MultiValues[Index].datatype[valuenum];
1058                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1059                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1060                                         dt &= ~DT_ALLOW_NEWLINE;
1061                                         dt &= ~DT_ALLOW_WILD;
1062
1063                                         switch (dt)
1064                                         {
1065                                                 case DT_NOSPACES:
1066                                                 {
1067                                                         char item[MAXBUF];
1068                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1069                                                                 vl.push_back(ValueItem(item));
1070                                                         else
1071                                                                 vl.push_back(ValueItem(""));
1072                                                         this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1073                                                 }
1074                                                 break;
1075                                                 case DT_HOSTNAME:
1076                                                 {
1077                                                         char item[MAXBUF];
1078                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1079                                                                 vl.push_back(ValueItem(item));
1080                                                         else
1081                                                                 vl.push_back(ValueItem(""));
1082                                                         this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1083                                                 }
1084                                                 break;
1085                                                 case DT_IPADDRESS:
1086                                                 {
1087                                                         char item[MAXBUF];
1088                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1089                                                                 vl.push_back(ValueItem(item));
1090                                                         else
1091                                                                 vl.push_back(ValueItem(""));
1092                                                         this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1093                                                 }
1094                                                 break;
1095                                                 case DT_CHANNEL:
1096                                                 {
1097                                                         char item[MAXBUF];
1098                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1099                                                                 vl.push_back(ValueItem(item));
1100                                                         else
1101                                                                 vl.push_back(ValueItem(""));
1102                                                         if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1103                                                                 throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1104                                                 }
1105                                                 break;
1106                                                 case DT_CHARPTR:
1107                                                 {
1108                                                         char item[MAXBUF];
1109                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1110                                                                 vl.push_back(ValueItem(item));
1111                                                         else
1112                                                                 vl.push_back(ValueItem(""));
1113                                                 }
1114                                                 break;
1115                                                 case DT_INTEGER:
1116                                                 {
1117                                                         int item = 0;
1118                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1119                                                                 vl.push_back(ValueItem(item));
1120                                                         else
1121                                                                 vl.push_back(ValueItem(0));
1122                                                 }
1123                                                 break;
1124                                                 case DT_BOOLEAN:
1125                                                 {
1126                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1127                                                         vl.push_back(ValueItem(item));
1128                                                 }
1129                                                 break;
1130                                                 default:
1131                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
1132                                                 break;
1133                                         }
1134                                 }
1135                                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1136                         }
1137                                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1138                 }
1139
1140         }
1141
1142         catch (CoreException &ce)
1143         {
1144                 ReportConfigError(ce.GetReason(), bail, user);
1145                 return;
1146         }
1147
1148         /** XXX END PASS **/
1149         ServerInstance->Logs->Log("CONFIG",DEBUG,"End config pass %d", pass);
1150
1151         if (pass == 0)
1152         {
1153                 /* FIRST PASS: Set up commands, load modules.
1154                  * We cannot gaurantee that all config is correct
1155                  * at this point
1156                  */
1157
1158                 if (pass == 0)
1159                 {
1160                         ServerInstance->Logs->Log("CONFIG",DEBUG, "Downloading configuration");
1161
1162                         TotalDownloaded = 0;
1163                         FileErrors = 0;
1164                 }
1165
1166                 if (!ServerInstance->Res)
1167                         ServerInstance->Res = new DNS(ServerInstance);
1168                 /** Note: This is safe, the method checks for user == NULL */
1169                 ServerInstance->Parser->SetupCommandTable(user);
1170                 ServerInstance->Modules->LoadAll();
1171         }
1172         else
1173         {
1174                 /* SECOND PASS: Call modules to read configs, finalize
1175                  * stuff. Check that we have at least the required number
1176                  * of whichever items. This is no longer done first.
1177                  */
1178                 /* Close all logs at this point and reopen <log method="file"> logs. */
1179                 ServerInstance->Logs->CloseLogs();
1180                 ServerInstance->Logs->OpenFileLogs();
1181                 ConfigReader* n = new ConfigReader(ServerInstance);
1182                 FOREACH_MOD(I_OnReadConfig,OnReadConfig(this, n));
1183
1184                 for (int Index = 0; Once[Index]; Index++)
1185                         if (!CheckOnce(Once[Index]))
1186                                 return;
1187         }
1188
1189         // write once here, to try it out and make sure its ok
1190         ServerInstance->WritePID(this->PID);
1191
1192         ServerInstance->Logs->Log("CONFIG",DEFAULT,"Done reading configuration file.");
1193
1194         /* If we're rehashing, let's load any new modules, and unload old ones
1195          */
1196         if (!bail)
1197         {
1198                 int found_ports = 0;
1199                 FailedPortList pl;
1200                 ServerInstance->BindPorts(false, found_ports, pl);
1201
1202                 if (pl.size() && user)
1203                 {
1204                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1205                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1206                         int j = 1;
1207                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1208                         {
1209                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1210                         }
1211                 }
1212         }
1213
1214         if (pass == 0)
1215         {
1216                 if (!removed_modules.empty())
1217                 {
1218                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1219                         {
1220                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1221                                 {
1222                                         ServerInstance->SNO->WriteToSnoMask('A', "REHASH UNLOADED MODULE: %s",removing->c_str());
1223                                         if (user)
1224                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1225                                         rem++;
1226                                 }
1227                                 else
1228                                 {
1229                                         if (user)
1230                                                 user->WriteServ("972 %s %s :%s",user->nick, removing->c_str(), ServerInstance->Modules->LastError().c_str());
1231                                 }
1232                         }
1233                 }
1234
1235                 if (!added_modules.empty())
1236                 {
1237                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1238                         {
1239                                 /* Skip over modules that are aleready loaded for some reason */
1240                                 if (ServerInstance->Modules->Find(*adding))
1241                                         continue;
1242
1243                                 if (bail)
1244                                         printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n", adding->c_str());
1245
1246                                 if (ServerInstance->Modules->Load(adding->c_str()))
1247                                 {
1248                                         ServerInstance->SNO->WriteToSnoMask('A', "REHASH LOADED MODULE: %s",adding->c_str());
1249                                         if (user)
1250                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1251
1252                                         add++;
1253                                 }
1254                                 else
1255                                 {
1256                                         if (user)
1257                                                 user->WriteServ("974 %s %s :%s",user->nick, adding->c_str(), ServerInstance->Modules->LastError().c_str());
1258
1259                                         if (bail)
1260                                         {
1261                                                         printf_c("\n[\033[1;31m*\033[0m] %s\n\n", ServerInstance->Modules->LastError().c_str());
1262                                                 ServerInstance->Exit(EXIT_STATUS_MODULE);
1263                                         }
1264                                 }
1265                         }
1266                 }
1267         }
1268
1269         ServerInstance->Logs->Log("CONFIG",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());
1270
1271         if (user)
1272                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1273         else
1274                 ServerInstance->SNO->WriteToSnoMask('A', "Successfully rehashed server.");
1275 }
1276
1277 /* XXX: This can and will block! */
1278 int ServerConfig::DoDownloads()
1279 {
1280         ServerInstance->Logs->Log("CONFIG",DEBUG,"In DoDownloads()");
1281
1282         int new_downloads = 0;
1283
1284         /* Reads all local files into the IncludedFiles map, then initiates sockets for the remote ones */
1285         for (std::map<std::string, std::istream*>::iterator x = IncludedFiles.begin(); x != IncludedFiles.end(); ++x)
1286         {
1287                 if (CompletedFiles.find(x->first) != CompletedFiles.end())
1288                         continue;
1289
1290                 new_downloads++;
1291
1292                 ServerInstance->Logs->Log("CONFIG",DEBUG,"StartDownloads File: %s", x->first.c_str());
1293
1294                 std::string file = x->first;
1295                 if ((file[0] == '/') || (file.substr(0, 7) == "file://"))
1296                 {
1297                         /* For file:// schema files, we use std::ifstream which is a derivative of std::istream.
1298                          * For all other file schemas, we use a std::stringstream.
1299                          */
1300
1301                         /* Add our own ifstream */
1302                         std::ifstream* conf = new std::ifstream(file.c_str());
1303                         if (!conf->fail())
1304                         {
1305                                 ServerInstance->Logs->Log("CONFIG",DEBUG,"file:// schema file %s loaded OK", file.c_str());
1306                                 delete x->second;
1307                                 x->second = conf;
1308                         }
1309                         else
1310                         {
1311                                 delete x->second;
1312                                 x->second = NULL;
1313                                 FileErrors++;
1314                         }
1315                         TotalDownloaded++;
1316                 }
1317                 else
1318                 {
1319                         /* Modules handle these */
1320                         ServerInstance->Logs->Log("CONFIG",DEBUG,"Module-handled schema for %s", x->first.c_str());
1321
1322                         /* For now, error it */
1323                         int MOD_RESULT = 0;
1324                         FOREACH_RESULT(I_OnDownloadFile, OnDownloadFile(file, x->second));
1325                         if (MOD_RESULT == 0)
1326                         {
1327                                 /* No module claimed this file */
1328                                 TotalDownloaded++;
1329                                 FileErrors++;
1330                                 delete x->second;
1331                                 x->second = NULL;
1332                         }
1333                         else
1334                         {
1335                                 /* Search new file here for more includes to parse */
1336                                 ServerInstance->Logs->Log("CONFIG",DEBUG,"Searching for further includes in %s", x->first.c_str());
1337                         }
1338                 }
1339                 CompletedFiles[x->first] = true;
1340         }
1341
1342         ServerInstance->Logs->Log("CONFIG",DEBUG,"Returning %d from DoDownloads()", new_downloads);
1343
1344         return new_downloads;
1345 }
1346
1347 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream, int pass, std::istream *scan_for_includes_only)
1348 {
1349         ServerInstance->Logs->Log("CONFIG",DEBUG,"Enter loadconf");
1350         std::string line;
1351         std::istream* conf = NULL;
1352         char ch;
1353         long linenumber;
1354         bool in_tag;
1355         bool in_quote;
1356         bool in_comment;
1357         int character_count = 0;
1358
1359         linenumber = 1;
1360         in_tag = false;
1361         in_quote = false;
1362         in_comment = false;
1363
1364         if (scan_for_includes_only)
1365         {
1366                 ServerInstance->Logs->Log("CONFIG",DEBUG,"scan_for_includes_only set");
1367                 conf = scan_for_includes_only;
1368         }
1369
1370         if (std::string(filename) == CONFIG_FILE)
1371         {
1372                 ServerInstance->Logs->Log("CONFIG",DEBUG,"Main config!");
1373                 if (!scan_for_includes_only)
1374                 {
1375                         conf = new std::ifstream(filename);
1376                         if (conf->fail())
1377                         {
1378                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1379                                 return false;
1380                         }
1381                         ServerInstance->Logs->Log("CONFIG",DEBUG,"Set main conf");
1382                 }
1383         }
1384         else
1385         {
1386                 ServerInstance->Logs->Log("CONFIG",DEBUG,"Not main config file");
1387                 std::map<std::string, std::istream*>::iterator x = IncludedFiles.find(filename);
1388                 if (x == IncludedFiles.end())
1389                 {
1390                         ServerInstance->Logs->Log("CONFIG",DEBUG,"File doesnt exist in map");
1391                         if (pass == 0)
1392                         {
1393                                 ServerInstance->Logs->Log("CONFIG",DEBUG,"Push include file %s onto map", filename);
1394                                 /* First pass, we insert the file into a map, and just return true */
1395                                 IncludedFiles.insert(std::make_pair(filename,new std::stringstream));
1396                                 return true;
1397                         }
1398                         else
1399                         {
1400                                 /* Second pass, look for the file in the map */
1401                                 ServerInstance->Logs->Log("CONFIG",DEBUG,"We are in the second pass, and %s is not in the map!", filename);
1402                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1403                                 return false;
1404                         }
1405                 }
1406                 else
1407                 {
1408                         ServerInstance->Logs->Log("CONFIG",DEBUG,"File exists in map");
1409                         if (!scan_for_includes_only)
1410                         {
1411                                 if (x->second)
1412                                 {
1413                                         ServerInstance->Logs->Log("CONFIG",DEBUG,"Retrieve conf");
1414                                         conf = x->second;
1415                                 }
1416                                 else
1417                                 {
1418                                         ServerInstance->Logs->Log("CONFIG",DEBUG,"NULL entry, file not found");
1419                                         errorstream << "File " << filename << " could not be opened." << std::endl;
1420                                         return false;
1421                                 }
1422                         }
1423                 }
1424         }
1425
1426         if (!conf)
1427                 return false;
1428
1429         ServerInstance->Logs->Log("CONFIG",DEBUG,"Start to read conf %s %08lx", filename, conf);
1430
1431         /* Start reading characters... */
1432         while (conf->get(ch))
1433         {
1434
1435                 /*
1436                  * Fix for moronic windows issue spotted by Adremelech.
1437                  * Some windows editors save text files as utf-16, which is
1438                  * a total pain in the ass to parse. Users should save in the
1439                  * right config format! If we ever see a file where the first
1440                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1441                  * this is most likely a utf-16 file. Bail out and insult user.
1442                  */
1443                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1444                 {
1445                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1446                         if (!scan_for_includes_only)
1447                                 delete conf;
1448                         return false;
1449                 }
1450
1451                 /*
1452                  * Here we try and get individual tags on separate lines,
1453                  * this would be so easy if we just made people format
1454                  * their config files like that, but they don't so...
1455                  * We check for a '<' and then know the line is over when
1456                  * we get a '>' not inside quotes. If we find two '<' and
1457                  * no '>' then die with an error.
1458                  */
1459
1460                 if ((ch == '#') && !in_quote)
1461                         in_comment = true;
1462
1463                 switch (ch)
1464                 {
1465                         case '\n':
1466                                 if (in_quote)
1467                                         line += '\n';
1468                                 linenumber++;
1469                         case '\r':
1470                                 if (!in_quote)
1471                                         in_comment = false;
1472                         case '\0':
1473                                 continue;
1474                         case '\t':
1475                                 ch = ' ';
1476                 }
1477
1478                 if(in_comment)
1479                         continue;
1480
1481                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1482                  * Note that this WILL NOT usually allow insertion of newlines,
1483                  * because a newline is two characters long. Use it primarily to
1484                  * insert the " symbol.
1485                  *
1486                  * Note that this also involves a further check when parsing the line,
1487                  * which can be found below.
1488                  */
1489                 if ((ch == '\\') && (in_quote) && (in_tag))
1490                 {
1491                         line += ch;
1492                         char real_character;
1493                         if (conf->get(real_character))
1494                         {
1495                                 if (real_character == 'n')
1496                                         real_character = '\n';
1497                                 line += real_character;
1498                                 continue;
1499                         }
1500                         else
1501                         {
1502                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1503                                 if (!scan_for_includes_only)
1504                                         delete conf;
1505                                 return false;
1506                         }
1507                 }
1508
1509                 if (ch != '\r')
1510                         line += ch;
1511
1512                 if (ch == '<')
1513                 {
1514                         if (in_tag)
1515                         {
1516                                 if (!in_quote)
1517                                 {
1518                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1519                                         if (!scan_for_includes_only)
1520                                                 delete conf;
1521                                         return false;
1522                                 }
1523                         }
1524                         else
1525                         {
1526                                 if (in_quote)
1527                                 {
1528                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1529                                         if (!scan_for_includes_only)
1530                                                 delete conf;
1531                                         return false;
1532                                 }
1533                                 else
1534                                 {
1535                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1536                                         in_tag = true;
1537                                 }
1538                         }
1539                 }
1540                 else if (ch == '"')
1541                 {
1542                         if (in_tag)
1543                         {
1544                                 if (in_quote)
1545                                 {
1546                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1547                                         in_quote = false;
1548                                 }
1549                                 else
1550                                 {
1551                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1552                                         in_quote = true;
1553                                 }
1554                         }
1555                         else
1556                         {
1557                                 if (in_quote)
1558                                 {
1559                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1560                                 }
1561                                 else
1562                                 {
1563                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1564                                 }
1565                         }
1566                 }
1567                 else if (ch == '>')
1568                 {
1569                         if (!in_quote)
1570                         {
1571                                 if (in_tag)
1572                                 {
1573                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1574                                         in_tag = false;
1575
1576                                         /*
1577                                          * If this finds an <include> then ParseLine can simply call
1578                                          * LoadConf() and load the included config into the same ConfigDataHash
1579                                          */
1580
1581                                         if (!this->ParseLine(target, line, linenumber, errorstream, pass, scan_for_includes_only))
1582                                         {
1583                                                 if (!scan_for_includes_only)
1584                                                         delete conf;
1585                                                 return false;
1586                                         }
1587
1588                                         line.clear();
1589                                 }
1590                                 else
1591                                 {
1592                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1593                                         if (!scan_for_includes_only)
1594                                                 delete conf;
1595                                         return false;
1596                                 }
1597                         }
1598                 }
1599         }
1600
1601         /* 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 */
1602         if (in_comment || in_quote)
1603         {
1604                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1605                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1606         }
1607
1608         /*if (!scan_for_includes_only)
1609                 delete conf;*/
1610         return true;
1611 }
1612
1613 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream, int pass, std::istream* scan_for_includs_only)
1614 {
1615         return this->LoadConf(target, filename.c_str(), errorstream, pass, scan_for_includs_only);
1616 }
1617
1618 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
1619 {
1620         std::string tagname;
1621         std::string current_key;
1622         std::string current_value;
1623         KeyValList results;
1624         bool got_name;
1625         bool got_key;
1626         bool in_quote;
1627
1628         got_name = got_key = in_quote = false;
1629
1630         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1631         {
1632                 if (!got_name)
1633                 {
1634                         /* We don't know the tag name yet. */
1635
1636                         if (*c != ' ')
1637                         {
1638                                 if (*c != '<')
1639                                 {
1640                                         tagname += *c;
1641                                 }
1642                         }
1643                         else
1644                         {
1645                                 /* We got to a space, we should have the tagname now. */
1646                                 if(tagname.length())
1647                                 {
1648                                         got_name = true;
1649                                 }
1650                         }
1651                 }
1652                 else
1653                 {
1654                         /* We have the tag name */
1655                         if (!got_key)
1656                         {
1657                                 /* We're still reading the key name */
1658                                 if (*c != '=')
1659                                 {
1660                                         if (*c != ' ')
1661                                         {
1662                                                 current_key += *c;
1663                                         }
1664                                 }
1665                                 else
1666                                 {
1667                                         /* We got an '=', end of the key name. */
1668                                         got_key = true;
1669                                 }
1670                         }
1671                         else
1672                         {
1673                                 /* We have the key name, now we're looking for quotes and the value */
1674
1675                                 /* Correctly handle escaped characters here.
1676                                  * See the XXX'ed section above.
1677                                  */
1678                                 if ((*c == '\\') && (in_quote))
1679                                 {
1680                                         c++;
1681                                         if (*c == 'n')
1682                                                 current_value += '\n';
1683                                         else
1684                                                 current_value += *c;
1685                                         continue;
1686                                 }
1687                                 else if ((*c == '\n') && (in_quote))
1688                                 {
1689                                         /* Got a 'real' \n, treat it as part of the value */
1690                                         current_value += '\n';
1691                                         linenumber++;
1692                                         continue;
1693                                 }
1694                                 else if ((*c == '\r') && (in_quote))
1695                                         /* Got a \r, drop it */
1696                                         continue;
1697
1698                                 if (*c == '"')
1699                                 {
1700                                         if (!in_quote)
1701                                         {
1702                                                 /* We're not already in a quote. */
1703                                                 in_quote = true;
1704                                         }
1705                                         else
1706                                         {
1707                                                 /* Leaving quotes, we have the value */
1708                                                 if (!scan_for_includes_only)
1709                                                         results.push_back(KeyVal(current_key, current_value));
1710
1711                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1712
1713                                                 in_quote = false;
1714                                                 got_key = false;
1715
1716                                                 if ((tagname == "include") && (current_key == "file"))
1717                                                 {
1718                                                         if (!this->DoInclude(target, current_value, errorstream, pass, scan_for_includes_only))
1719                                                                 return false;
1720                                                 }
1721
1722                                                 current_key.clear();
1723                                                 current_value.clear();
1724                                         }
1725                                 }
1726                                 else
1727                                 {
1728                                         if (in_quote)
1729                                         {
1730                                                 current_value += *c;
1731                                         }
1732                                 }
1733                         }
1734                 }
1735         }
1736
1737         /* Finished parsing the tag, add it to the config hash */
1738         if (!scan_for_includes_only)
1739                 target.insert(std::pair<std::string, KeyValList > (tagname, results));
1740
1741         return true;
1742 }
1743
1744 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
1745 {
1746         std::string confpath;
1747         std::string newfile;
1748         std::string::size_type pos;
1749
1750         confpath = ServerInstance->ConfigFileName;
1751         newfile = file;
1752
1753         std::replace(newfile.begin(),newfile.end(),'\\','/');
1754         std::replace(confpath.begin(),confpath.end(),'\\','/');
1755
1756         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1757         {
1758                 if((pos = confpath.rfind("/")) != std::string::npos)
1759                 {
1760                         /* Leaves us with just the path */
1761                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1762                 }
1763                 else
1764                 {
1765                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1766                         return false;
1767                 }
1768         }
1769
1770         return LoadConf(target, newfile, errorstream, pass, scan_for_includes_only);
1771 }
1772
1773 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1774 {
1775         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1776 }
1777
1778 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1779 {
1780         std::string value;
1781         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1782         strlcpy(result, value.c_str(), length);
1783         return r;
1784 }
1785
1786 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1787 {
1788         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1789 }
1790
1791 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)
1792 {
1793         ConfigDataHash::size_type pos = index;
1794         if (pos < target.count(tag))
1795         {
1796                 ConfigDataHash::iterator iter = target.find(tag);
1797
1798                 for(int i = 0; i < index; i++)
1799                         iter++;
1800
1801                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1802                 {
1803                         if(j->first == var)
1804                         {
1805                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1806                                 {
1807                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1808                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1809                                                 if (*n == '\n')
1810                                                         *n = ' ';
1811                                 }
1812                                 else
1813                                 {
1814                                         result = j->second;
1815                                         return true;
1816                                 }
1817                         }
1818                 }
1819                 if (!default_value.empty())
1820                 {
1821                         result = default_value;
1822                         return true;
1823                 }
1824         }
1825         else if(pos == 0)
1826         {
1827                 if (!default_value.empty())
1828                 {
1829                         result = default_value;
1830                         return true;
1831                 }
1832         }
1833         return false;
1834 }
1835
1836 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1837 {
1838         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1839 }
1840
1841 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1842 {
1843         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1844 }
1845
1846 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1847 {
1848         return ConfValueInteger(target, tag, var, "", index, result);
1849 }
1850
1851 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1852 {
1853         std::string value;
1854         std::istringstream stream;
1855         bool r = ConfValue(target, tag, var, default_value, index, value);
1856         stream.str(value);
1857         if(!(stream >> result))
1858                 return false;
1859         else
1860         {
1861                 if (!value.empty())
1862                 {
1863                         if (value.substr(0,2) == "0x")
1864                         {
1865                                 char* endptr;
1866
1867                                 value.erase(0,2);
1868                                 result = strtol(value.c_str(), &endptr, 16);
1869
1870                                 /* No digits found */
1871                                 if (endptr == value.c_str())
1872                                         return false;
1873                         }
1874                         else
1875                         {
1876                                 char denominator = *(value.end() - 1);
1877                                 switch (toupper(denominator))
1878                                 {
1879                                         case 'K':
1880                                                 /* Kilobytes -> bytes */
1881                                                 result = result * 1024;
1882                                         break;
1883                                         case 'M':
1884                                                 /* Megabytes -> bytes */
1885                                                 result = result * 1024 * 1024;
1886                                         break;
1887                                         case 'G':
1888                                                 /* Gigabytes -> bytes */
1889                                                 result = result * 1024 * 1024 * 1024;
1890                                         break;
1891                                 }
1892                         }
1893                 }
1894         }
1895         return r;
1896 }
1897
1898
1899 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1900 {
1901         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1902 }
1903
1904 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1905 {
1906         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1907 }
1908
1909 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1910 {
1911         return ConfValueBool(target, tag, var, "", index);
1912 }
1913
1914 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1915 {
1916         std::string result;
1917         if(!ConfValue(target, tag, var, default_value, index, result))
1918                 return false;
1919
1920         return ((result == "yes") || (result == "true") || (result == "1"));
1921 }
1922
1923 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1924 {
1925         return target.count(tag);
1926 }
1927
1928 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1929 {
1930         return target.count(tag);
1931 }
1932
1933 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1934 {
1935         return ConfVarEnum(target, std::string(tag), index);
1936 }
1937
1938 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1939 {
1940         ConfigDataHash::size_type pos = index;
1941
1942         if (pos < target.count(tag))
1943         {
1944                 ConfigDataHash::const_iterator iter = target.find(tag);
1945
1946                 for(int i = 0; i < index; i++)
1947                         iter++;
1948
1949                 return iter->second.size();
1950         }
1951
1952         return 0;
1953 }
1954
1955 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1956  */
1957 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1958 {
1959         if (!fname || !*fname)
1960                 return false;
1961
1962         FILE* file = NULL;
1963         char linebuf[MAXBUF];
1964
1965         F.clear();
1966
1967         if ((*fname != '/') && (*fname != '\\'))
1968         {
1969                 std::string::size_type pos;
1970                 std::string confpath = ServerInstance->ConfigFileName;
1971                 std::string newfile = fname;
1972
1973                 if ((pos = confpath.rfind("/")) != std::string::npos)
1974                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1975                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1976                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1977
1978                 if (!FileExists(newfile.c_str()))
1979                         return false;
1980                 file =  fopen(newfile.c_str(), "r");
1981         }
1982         else
1983         {
1984                 if (!FileExists(fname))
1985                         return false;
1986                 file =  fopen(fname, "r");
1987         }
1988
1989         if (file)
1990         {
1991                 while (!feof(file))
1992                 {
1993                         if (fgets(linebuf, sizeof(linebuf), file))
1994                                 linebuf[strlen(linebuf)-1] = 0;
1995                         else
1996                                 *linebuf = 0;
1997
1998                         if (!feof(file))
1999                         {
2000                                 F.push_back(*linebuf ? linebuf : " ");
2001                         }
2002                 }
2003
2004                 fclose(file);
2005         }
2006         else
2007                 return false;
2008
2009         return true;
2010 }
2011
2012 bool ServerConfig::FileExists(const char* file)
2013 {
2014         struct stat sb;
2015         if (stat(file, &sb) == -1)
2016                 return false;
2017
2018         if ((sb.st_mode & S_IFDIR) > 0)
2019                 return false;
2020
2021         FILE *input;
2022         if ((input = fopen (file, "r")) == NULL)
2023                 return false;
2024         else
2025         {
2026                 fclose(input);
2027                 return true;
2028         }
2029 }
2030
2031 char* ServerConfig::CleanFilename(char* name)
2032 {
2033         char* p = name + strlen(name);
2034         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
2035         return (p != name ? ++p : p);
2036 }
2037
2038
2039 bool ServerConfig::DirValid(const char* dirandfile)
2040 {
2041 #ifdef WINDOWS
2042         return true;
2043 #endif
2044
2045         char work[1024];
2046         char buffer[1024];
2047         char otherdir[1024];
2048         int p;
2049
2050         strlcpy(work, dirandfile, 1024);
2051         p = strlen(work);
2052
2053         // we just want the dir
2054         while (*work)
2055         {
2056                 if (work[p] == '/')
2057                 {
2058                         work[p] = '\0';
2059                         break;
2060                 }
2061
2062                 work[p--] = '\0';
2063         }
2064
2065         // Get the current working directory
2066         if (getcwd(buffer, 1024 ) == NULL )
2067                 return false;
2068
2069         if (chdir(work) == -1)
2070                 return false;
2071
2072         if (getcwd(otherdir, 1024 ) == NULL )
2073                 return false;
2074
2075         if (chdir(buffer) == -1)
2076                 return false;
2077
2078         size_t t = strlen(work);
2079
2080         if (strlen(otherdir) >= t)
2081         {
2082                 otherdir[t] = '\0';
2083                 if (!strcmp(otherdir,work))
2084                 {
2085                         return true;
2086                 }
2087
2088                 return false;
2089         }
2090         else
2091         {
2092                 return false;
2093         }
2094 }
2095
2096 std::string ServerConfig::GetFullProgDir()
2097 {
2098         char buffer[PATH_MAX+1];
2099 #ifdef WINDOWS
2100         /* Windows has specific api calls to get the exe path that never fail.
2101          * For once, windows has something of use, compared to the POSIX code
2102          * for this, this is positively neato.
2103          */
2104         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2105         {
2106                 std::string fullpath = buffer;
2107                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2108                 return std::string(fullpath, 0, n);
2109         }
2110 #else
2111         // Get the current working directory
2112         if (getcwd(buffer, PATH_MAX))
2113         {
2114                 std::string remainder = this->argv[0];
2115
2116                 /* Does argv[0] start with /? its a full path, use it */
2117                 if (remainder[0] == '/')
2118                 {
2119                         std::string::size_type n = remainder.rfind("/inspircd");
2120                         return std::string(remainder, 0, n);
2121                 }
2122
2123                 std::string fullpath = std::string(buffer) + "/" + remainder;
2124                 std::string::size_type n = fullpath.rfind("/inspircd");
2125                 return std::string(fullpath, 0, n);
2126         }
2127 #endif
2128         return "/";
2129 }
2130
2131 InspIRCd* ServerConfig::GetInstance()
2132 {
2133         return ServerInstance;
2134 }
2135
2136 std::string ServerConfig::GetSID()
2137 {
2138         return sid;
2139 }
2140
2141 ValueItem::ValueItem(int value)
2142 {
2143         std::stringstream n;
2144         n << value;
2145         v = n.str();
2146 }
2147
2148 ValueItem::ValueItem(bool value)
2149 {
2150         std::stringstream n;
2151         n << value;
2152         v = n.str();
2153 }
2154
2155 ValueItem::ValueItem(const char* value)
2156 {
2157         v = value;
2158 }
2159
2160 void ValueItem::Set(const char* value)
2161 {
2162         v = value;
2163 }
2164
2165 void ValueItem::Set(int value)
2166 {
2167         std::stringstream n;
2168         n << value;
2169         v = n.str();
2170 }
2171
2172 int ValueItem::GetInteger()
2173 {
2174         if (v.empty())
2175                 return 0;
2176         return atoi(v.c_str());
2177 }
2178
2179 char* ValueItem::GetString()
2180 {
2181         return (char*)v.c_str();
2182 }
2183
2184 bool ValueItem::GetBool()
2185 {
2186         return (GetInteger() || v == "yes" || v == "true");
2187 }
2188
2189
2190
2191
2192 /*
2193  * XXX should this be in a class? -- w00t
2194  */
2195 bool InitTypes(ServerConfig* conf, const char*)
2196 {
2197         if (conf->opertypes.size())
2198         {
2199                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2200                 {
2201                         if (n->second)
2202                                 delete[] n->second;
2203                 }
2204         }
2205
2206         conf->opertypes.clear();
2207         return true;
2208 }
2209
2210 /*
2211  * XXX should this be in a class? -- w00t
2212  */
2213 bool InitClasses(ServerConfig* conf, const char*)
2214 {
2215         if (conf->operclass.size())
2216         {
2217                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2218                 {
2219                         if (n->second)
2220                                 delete[] n->second;
2221                 }
2222         }
2223
2224         conf->operclass.clear();
2225         return true;
2226 }
2227
2228 /*
2229  * XXX should this be in a class? -- w00t
2230  */
2231 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2232 {
2233         const char* TypeName = values[0].GetString();
2234         const char* Classes = values[1].GetString();
2235
2236         conf->opertypes[TypeName] = strnewdup(Classes);
2237         return true;
2238 }
2239
2240 /*
2241  * XXX should this be in a class? -- w00t
2242  */
2243 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2244 {
2245         const char* ClassName = values[0].GetString();
2246         const char* CommandList = values[1].GetString();
2247
2248         conf->operclass[ClassName] = strnewdup(CommandList);
2249         return true;
2250 }
2251
2252 /*
2253  * XXX should this be in a class? -- w00t
2254  */
2255 bool DoneClassesAndTypes(ServerConfig*, const char*)
2256 {
2257         return true;
2258 }
2259
2260
2261
2262 bool InitXLine(ServerConfig* conf, const char* tag)
2263 {
2264         return true;
2265 }
2266
2267 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2268 {
2269         const char* reason = values[0].GetString();
2270         const char* ipmask = values[1].GetString();
2271
2272         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2273         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2274                 delete zl;
2275
2276         return true;
2277 }
2278
2279 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2280 {
2281         const char* reason = values[0].GetString();
2282         const char* nick = values[1].GetString();
2283
2284         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2285         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2286                 delete ql;
2287
2288         return true;
2289 }
2290
2291 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2292 {
2293         const char* reason = values[0].GetString();
2294         const char* host = values[1].GetString();
2295
2296         XLineManager* xlm = conf->GetInstance()->XLines;
2297
2298         IdentHostPair ih = xlm->IdentSplit(host);
2299
2300         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2301         if (!xlm->AddLine(kl, NULL))
2302                 delete kl;
2303         return true;
2304 }
2305
2306 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2307 {
2308         const char* reason = values[0].GetString();
2309         const char* host = values[1].GetString();
2310
2311         XLineManager* xlm = conf->GetInstance()->XLines;
2312
2313         IdentHostPair ih = xlm->IdentSplit(host);
2314
2315         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2316         if (!xlm->AddLine(el, NULL))
2317                 delete el;
2318         return true;
2319 }
2320
2321 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2322 bool DoneELine(ServerConfig* conf, const char* tag)
2323 {
2324         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2325         {
2326                 User* u = (User*)(*u2);
2327                 u->exempt = false;
2328         }
2329
2330         conf->GetInstance()->XLines->CheckELines();
2331         return true;
2332 }
2333
2334 void ConfigReaderThread::Run()
2335 {
2336         do
2337         {
2338                 ServerInstance->Config->Read(true, NULL, 0);
2339         }
2340         while (ServerInstance->Config->DoDownloads() > 0);
2341
2342         ServerInstance->Config->Read(true, NULL, 1);
2343 }
2344