src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = MAXCLIENTS;
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         LogLevel = DEFAULT;
  57         maxbans.clear();
  58         DNSServerValidator = &ValidateDnsServer;
  59 }
  60
  61 void ServerConfig::ClearStack()
  62 {
  63         include_stack.clear();
  64 }
  65
  66 Module* ServerConfig::GetIOHook(int port)
  67 {
  68         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  69         return (x != IOHookModule.end() ? x->second : NULL);
  70 }
  71
  72 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  73 {
  74         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  75         return (x != SocketIOHookModule.end() ? x->second : NULL);
  76 }
  77
  78 bool ServerConfig::AddIOHook(int port, Module* iomod)
  79 {
  80         if (!GetIOHook(port))
  81         {
  82                 IOHookModule[port] = iomod;
  83                 return true;
  84         }
  85         else
  86         {
  87                 throw ModuleException("Port already hooked by another module");
  88                 return false;
  89         }
  90 }
  91
  92 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  93 {
  94         if (!GetIOHook(is))
  95         {
  96                 SocketIOHookModule[is] = iomod;
  97                 is->IsIOHooked = true;
  98                 return true;
  99         }
 100         else
 101         {
 102                 throw ModuleException("BufferedSocket derived class already hooked by another module");
 103                 return false;
 104         }
 105 }
 106
 107 bool ServerConfig::DelIOHook(int port)
 108 {
 109         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 110         if (x != IOHookModule.end())
 111         {
 112                 IOHookModule.erase(x);
 113                 return true;
 114         }
 115         return false;
 116 }
 117
 118 bool ServerConfig::DelIOHook(BufferedSocket* is)
 119 {
 120         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 121         if (x != SocketIOHookModule.end())
 122         {
 123                 SocketIOHookModule.erase(x);
 124                 return true;
 125         }
 126         return false;
 127 }
 128
 129 void ServerConfig::Update005()
 130 {
 131         std::stringstream out(data005);
 132         std::string token;
 133         std::string line5;
 134         int token_counter = 0;
 135         isupport.clear();
 136         while (out >> token)
 137         {
 138                 line5 = line5 + token + " ";
 139                 token_counter++;
 140                 if (token_counter >= 13)
 141                 {
 142                         char buf[MAXBUF];
 143                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                         isupport.push_back(buf);
 145                         line5.clear();
 146                         token_counter = 0;
 147                 }
 148         }
 149         if (!line5.empty())
 150         {
 151                 char buf[MAXBUF];
 152                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 153                 isupport.push_back(buf);
 154         }
 155 }
 156
 157 void ServerConfig::Send005(User* user)
 158 {
 159         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 160                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 161 }
 162
 163 bool ServerConfig::CheckOnce(char* tag)
 164 {
 165         int count = ConfValueEnum(this->config_data, tag);
 166
 167         if (count > 1)
 168         {
 169                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 170                 return false;
 171         }
 172         if (count < 1)
 173         {
 174                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 175                 return false;
 176         }
 177         return true;
 178 }
 179
 180 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 181 {
 182         return true;
 183 }
 184
 185 bool DoneConfItem(ServerConfig* conf, const char* tag)
 186 {
 187         return true;
 188 }
 189
 190 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
 191 {
 192         for (const char* ptr = p; *ptr; ++ptr)
 193         {
 194                 if (*ptr == ' ')
 195                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
 196         }
 197 }
 198
 199 /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
 200  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
 201  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
 202  */
 203 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
 204 {
 205         int num_dots = 0;
 206         int num_seps = 0;
 207         int not_numbers = false;
 208         int not_hex = false;
 209
 210         if (*p)
 211         {
 212                 if (*p == '.')
 213                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 214
 215                 for (const char* ptr = p; *ptr; ++ptr)
 216                 {
 217                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
 218                                 continue;
 219
 220                         if (*ptr != ':' && *ptr != '.')
 221                         {
 222                                 if (*ptr < '0' || *ptr > '9')
 223                                         not_numbers = true;
 224                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
 225                                         not_hex = true;
 226                         }
 227                         switch (*ptr)
 228                         {
 229                                 case ' ':
 230                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 231                                 case '.':
 232                                         num_dots++;
 233                                 break;
 234                                 case ':':
 235                                         num_seps++;
 236                                 break;
 237                         }
 238                 }
 239
 240                 if (num_dots > 3)
 241                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
 242
 243                 if (num_seps > 8)
 244                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
 245
 246                 if (num_seps == 0 && num_dots < 3 && !wild)
 247                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
 248
 249                 if (num_seps == 0 && num_dots == 3 && not_numbers)
 250                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
 251
 252                 if (num_seps != 0 && not_hex)
 253                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
 254
 255                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
 256                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
 257         }
 258 }
 259
 260 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
 261 {
 262         int num_dots = 0;
 263         if (*p)
 264         {
 265                 if (*p == '.')
 266                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 267                 for (const char* ptr = p; *ptr; ++ptr)
 268                 {
 269                         switch (*ptr)
 270                         {
 271                                 case ' ':
 272                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 273                                 case '.':
 274                                         num_dots++;
 275                                 break;
 276                         }
 277                 }
 278                 if (num_dots == 0)
 279                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 280         }
 281 }
 282
 283 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 284 {
 285         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 286         {
 287                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 288                 data.Set(20);
 289         }
 290         return true;
 291 }
 292
 293 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 294 {
 295         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 296         {
 297                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 298                 data.Set(MAXCLIENTS);
 299         }
 300         return true;
 301 }
 302
 303 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 304 {
 305         if (data.GetInteger() > SOMAXCONN)
 306                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 307         return true;
 308 }
 309
 310 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 311 {
 312         std::stringstream dcmds(data);
 313         std::string thiscmd;
 314
 315         /* Enable everything first */
 316         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 317                 x->second->Disable(false);
 318
 319         /* Now disable all the ones which the user wants disabled */
 320         while (dcmds >> thiscmd)
 321         {
 322                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 323                 if (cm != ServerInstance->Parser->cmdlist.end())
 324                 {
 325                         cm->second->Disable(true);
 326                 }
 327         }
 328         return true;
 329 }
 330
 331 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 332 {
 333         if (!*(data.GetString()))
 334         {
 335                 std::string nameserver;
 336                 // attempt to look up their nameserver from /etc/resolv.conf
 337                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 338                 ifstream resolv("/etc/resolv.conf");
 339                 bool found_server = false;
 340
 341                 if (resolv.is_open())
 342                 {
 343                         while (resolv >> nameserver)
 344                         {
 345                                 if ((nameserver == "nameserver") && (!found_server))
 346                                 {
 347                                         resolv >> nameserver;
 348                                         data.Set(nameserver.c_str());
 349                                         found_server = true;
 350                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 351                                 }
 352                         }
 353
 354                         if (!found_server)
 355                         {
 356                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 357                                 data.Set("127.0.0.1");
 358                         }
 359                 }
 360                 else
 361                 {
 362                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 363                         data.Set("127.0.0.1");
 364                 }
 365         }
 366         return true;
 367 }
 368
 369 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 370 {
 371         /* If we already have a servername, and they changed it, we should throw an exception. */
 372         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 373         {
 374                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 375                 /* We don't actually reach this return of course... */
 376                 return false;
 377         }
 378         if (!strchr(data.GetString(),'.'))
 379         {
 380                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 381                 std::string moo = std::string(data.GetString()).append(".");
 382                 data.Set(moo.c_str());
 383         }
 384         return true;
 385 }
 386
 387 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 388 {
 389         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 390         {
 391                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 392                 data.Set(10240);
 393         }
 394         return true;
 395 }
 396
 397 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 398 {
 399         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 400         {
 401                 conf->GetInstance()->Log(DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 402                 data.Set(128);
 403         }
 404         return true;
 405 }
 406
 407 bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
 408 {
 409         std::string dbg = data.GetString();
 410         conf->LogLevel = DEFAULT;
 411
 412         if (dbg == "debug")
 413                 conf->LogLevel = DEBUG;
 414         else if (dbg  == "verbose")
 415                 conf->LogLevel = VERBOSE;
 416         else if (dbg == "default")
 417                 conf->LogLevel = DEFAULT;
 418         else if (dbg == "sparse")
 419                 conf->LogLevel = SPARSE;
 420         else if (dbg == "none")
 421                 conf->LogLevel = NONE;
 422
 423         conf->debugging = (conf->LogLevel == DEBUG);
 424
 425         return true;
 426 }
 427
 428 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 429 {
 430         conf->ReadFile(conf->MOTD, data.GetString());
 431         return true;
 432 }
 433
 434 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 435 {
 436         if (!*data.GetString())
 437                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 438         return true;
 439 }
 440
 441 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 442 {
 443         conf->ReadFile(conf->RULES, data.GetString());
 444         return true;
 445 }
 446
 447 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 448 {
 449         memset(conf->HideModeLists, 0, 256);
 450         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 451                 conf->HideModeLists[*x] = true;
 452         return true;
 453 }
 454
 455 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 456 {
 457         memset(conf->ExemptChanOps, 0, 256);
 458         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 459                 conf->ExemptChanOps[*x] = true;
 460         return true;
 461 }
 462
 463 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 464 {
 465         std::string v = data.GetString();
 466
 467         if (v == "ops")
 468                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 469         else if (v == "all")
 470                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 471         else if (v == "dynamic")
 472                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 473         else
 474                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 475
 476         return true;
 477 }
 478
 479 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 480 {
 481         int sid = data.GetInteger();
 482         if ((sid > 999) || (sid < 0))
 483         {
 484                 sid = sid % 1000;
 485                 data.Set(sid);
 486                 conf->GetInstance()->Log(DEFAULT,"WARNING: Server ID is less than 0 or greater than 999. Set to %d", sid);
 487         }
 488         return true;
 489 }
 490
 491 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 492 {
 493         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 494
 495         if (conf->WhoWasGroupSize < 0)
 496                 conf->WhoWasGroupSize = 0;
 497
 498         if (conf->WhoWasMaxGroups < 0)
 499                 conf->WhoWasMaxGroups = 0;
 500
 501         if (conf->WhoWasMaxKeep < 3600)
 502         {
 503                 conf->WhoWasMaxKeep = 3600;
 504                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 505         }
 506
 507         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 508         if (whowas_command)
 509         {
 510                 std::deque<classbase*> params;
 511                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 512         }
 513
 514         return true;
 515 }
 516
 517 /* Callback called before processing the first <connect> tag
 518  */
 519 bool InitConnect(ServerConfig* conf, const char*)
 520 {
 521         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 522
 523         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
 524         {
 525                 ConnectClass *c = *i;
 526
 527                 conf->GetInstance()->Log(DEBUG, "Address of class is %p", c);
 528         }
 529
 530         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
 531         {
 532                 ConnectClass *c = *i;
 533
 534                 /* only delete a class with refcount 0 */
 535                 if (c->RefCount == 0)
 536                 {
 537                         conf->GetInstance()->Log(DEFAULT, "Removing connect class, refcount is 0!");
 538                         conf->Classes.erase(i);
 539                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 540                 }
 541
 542                 /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 543                 c->SetDisabled(true);
 544         }
 545
 546         return true;
 547 }
 548
 549 /* Callback called to process a single <connect> tag
 550  */
 551 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 552 {
 553         ConnectClass c;
 554         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 555         const char* deny = values[1].GetString();
 556         const char* password = values[2].GetString();
 557         int timeout = values[3].GetInteger();
 558         int pingfreq = values[4].GetInteger();
 559         int flood = values[5].GetInteger();
 560         int threshold = values[6].GetInteger();
 561         int sendq = values[7].GetInteger();
 562         int recvq = values[8].GetInteger();
 563         int localmax = values[9].GetInteger();
 564         int globalmax = values[10].GetInteger();
 565         int port = values[11].GetInteger();
 566         const char* name = values[12].GetString();
 567         const char* parent = values[13].GetString();
 568         int maxchans = values[14].GetInteger();
 569         unsigned long limit = values[15].GetInteger();
 570
 571         /*
 572          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 573          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 574          */
 575         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 576         {
 577                 ConnectClass* c = *item;
 578                 if ((*name && (c->GetName() == name)) || (*allow && (c->GetHost() == allow)) || (*deny && (c->GetHost() == deny)))
 579                 {
 580                         /* reenable class so users can be shoved into it :P */
 581                         c->SetDisabled(false);
 582                         conf->GetInstance()->Log(DEFAULT, "Not adding class, it already exists!");
 583                         return true;
 584                 }
 585         }
 586
 587         conf->GetInstance()->Log(DEFAULT,"Adding a connect class!");
 588
 589         if (*parent)
 590         {
 591                 /* Find 'parent' and inherit a new class from it,
 592                  * then overwrite any values that are set here
 593                  */
 594                 ClassVector::iterator item = conf->Classes.begin();
 595                 for (; item != conf->Classes.end(); ++item)
 596                 {
 597                         ConnectClass* c = *item;
 598                         conf->GetInstance()->Log(DEBUG,"Class: %s", c->GetName().c_str());
 599                         if (c->GetName() == parent)
 600                         {
 601                                 ConnectClass* newclass = new ConnectClass(name, c);
 602                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 603                                 conf->Classes.push_back(newclass);
 604                                 break;
 605                         }
 606                 }
 607                 if (item == conf->Classes.end())
 608                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 609         }
 610         else
 611         {
 612                 if (*allow)
 613                 {
 614                         ConnectClass* c = new ConnectClass(name, timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans);
 615                         c->limit = limit;
 616                         c->SetPort(port);
 617                         conf->Classes.push_back(c);
 618                 }
 619                 else
 620                 {
 621                         ConnectClass* c = new ConnectClass(name, deny);
 622                         c->SetPort(port);
 623                         conf->Classes.push_back(c);
 624                 }
 625         }
 626
 627         return true;
 628 }
 629
 630 /* Callback called when there are no more <connect> tags
 631  */
 632 bool DoneConnect(ServerConfig *conf, const char*)
 633 {
 634         conf->GetInstance()->Log(DEFAULT, "Done adding connect classes!");
 635         return true;
 636 }
 637
 638 /* Callback called before processing the first <uline> tag
 639  */
 640 bool InitULine(ServerConfig* conf, const char*)
 641 {
 642         conf->ulines.clear();
 643         return true;
 644 }
 645
 646 /* Callback called to process a single <uline> tag
 647  */
 648 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 649 {
 650         const char* server = values[0].GetString();
 651         const bool silent = values[1].GetBool();
 652         conf->ulines[server] = silent;
 653         return true;
 654 }
 655
 656 /* Callback called when there are no more <uline> tags
 657  */
 658 bool DoneULine(ServerConfig*, const char*)
 659 {
 660         return true;
 661 }
 662
 663 /* Callback called before processing the first <module> tag
 664  */
 665 bool InitModule(ServerConfig* conf, const char*)
 666 {
 667         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 668         new_module_names.clear();
 669         added_modules.clear();
 670         removed_modules.clear();
 671         return true;
 672 }
 673
 674 /* Callback called to process a single <module> tag
 675  */
 676 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 677 {
 678         const char* modname = values[0].GetString();
 679         new_module_names.push_back(modname);
 680         return true;
 681 }
 682
 683 /* Callback called when there are no more <module> tags
 684  */
 685 bool DoneModule(ServerConfig*, const char*)
 686 {
 687         // now create a list of new modules that are due to be loaded
 688         // and a seperate list of modules which are due to be unloaded
 689         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 690         {
 691                 bool added = true;
 692
 693                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 694                 {
 695                         if (*old == *_new)
 696                                 added = false;
 697                 }
 698
 699                 if (added)
 700                         added_modules.push_back(*_new);
 701         }
 702
 703         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 704         {
 705                 bool removed = true;
 706                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 707                 {
 708                         if (*newm == *oldm)
 709                                 removed = false;
 710                 }
 711
 712                 if (removed)
 713                         removed_modules.push_back(*oldm);
 714         }
 715         return true;
 716 }
 717
 718 /* Callback called before processing the first <banlist> tag
 719  */
 720 bool InitMaxBans(ServerConfig* conf, const char*)
 721 {
 722         conf->maxbans.clear();
 723         return true;
 724 }
 725
 726 /* Callback called to process a single <banlist> tag
 727  */
 728 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 729 {
 730         const char* channel = values[0].GetString();
 731         int limit = values[1].GetInteger();
 732         conf->maxbans[channel] = limit;
 733         return true;
 734 }
 735
 736 /* Callback called when there are no more <banlist> tags.
 737  */
 738 bool DoneMaxBans(ServerConfig*, const char*)
 739 {
 740         return true;
 741 }
 742
 743 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 744 {
 745         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 746         if (bail)
 747         {
 748                 /* Unneeded because of the ServerInstance->Log() aboive? */
 749                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 750                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 751         }
 752         else
 753         {
 754                 std::string errors = errormessage;
 755                 std::string::size_type start;
 756                 unsigned int prefixlen;
 757                 start = 0;
 758                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 759                 if (user)
 760                 {
 761                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 762                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 763                         while (start < errors.length())
 764                         {
 765                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 766                                 start += 510 - prefixlen;
 767                         }
 768                 }
 769                 else
 770                 {
 771                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 772                         while (start < errors.length())
 773                         {
 774                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 775                                 start += 360;
 776                         }
 777                 }
 778                 return;
 779         }
 780 }
 781
 782 void ServerConfig::Read(bool bail, User* user, int pass)
 783 {
 784         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 785
 786         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 787         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 788         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 789         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 790         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 791         std::ostringstream errstr;      /* String stream containing the error output */
 792
 793         /* These tags MUST occur and must ONLY occur once in the config file */
 794         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 795
 796         /* These tags can occur ONCE or not at all */
 797         InitialConfig Values[] = {
 798                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 799                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 800                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 801                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 802                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 803                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 804                 {"server",      "id",           "0",                    new ValueContainerInt  (&this->sid),                    DT_NOSPACES, ValidateSID},
 805                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 806                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 807                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 808                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 809                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 810                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 811                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 812                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 813                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 814                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 815                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 816                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 817                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 818                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 819                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 820                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 821                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 822                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 823                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 824                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 825                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 826                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 827                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 828                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 829                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 830                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 831                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 832                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 833                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 834                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 835                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 836                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 837                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 838                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 839                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 840                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 841                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 842                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 843                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 844                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 845                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 846                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 847                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 848                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 849         };
 850
 851         /* These tags can occur multiple times, and therefore they have special code to read them
 852          * which is different to the code for reading the singular tags listed above.
 853          */
 854         MultiConfig MultiValues[] = {
 855
 856                 {"connect",
 857                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 858                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 859                                 "name",         "parent",       "maxchans",     "limit",
 860                                 NULL},
 861                                 {"",            "",             "",             "",             "120",          "",
 862                                  "",            "",             "",             "3",            "3",            "0",
 863                                  "",            "",             "0",        "0",
 864                                  NULL},
 865                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 866                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 867                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 868                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 869                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER},
 870                                 InitConnect, DoConnect, DoneConnect},
 871
 872                 {"uline",
 873                                 {"server",      "silent",       NULL},
 874                                 {"",            "0",            NULL},
 875                                 {DT_HOSTNAME,   DT_BOOLEAN},
 876                                 InitULine,DoULine,DoneULine},
 877
 878                 {"banlist",
 879                                 {"chan",        "limit",        NULL},
 880                                 {"",            "",             NULL},
 881                                 {DT_CHARPTR,    DT_INTEGER},
 882                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 883
 884                 {"module",
 885                                 {"name",        NULL},
 886                                 {"",            NULL},
 887                                 {DT_CHARPTR},
 888                                 InitModule, DoModule, DoneModule},
 889
 890                 {"badip",
 891                                 {"reason",      "ipmask",       NULL},
 892                                 {"No reason",   "",             NULL},
 893                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 894                                 InitXLine, DoZLine, DoneConfItem},
 895
 896                 {"badnick",
 897                                 {"reason",      "nick",         NULL},
 898                                 {"No reason",   "",             NULL},
 899                                 {DT_CHARPTR,    DT_CHARPTR},
 900                                 InitXLine, DoQLine, DoneConfItem},
 901
 902                 {"badhost",
 903                                 {"reason",      "host",         NULL},
 904                                 {"No reason",   "",             NULL},
 905                                 {DT_CHARPTR,    DT_CHARPTR},
 906                                 InitXLine, DoKLine, DoneConfItem},
 907
 908                 {"exception",
 909                                 {"reason",      "host",         NULL},
 910                                 {"No reason",   "",             NULL},
 911                                 {DT_CHARPTR,    DT_CHARPTR},
 912                                 InitXLine, DoELine, DoneELine},
 913
 914                 {"type",
 915                                 {"name",        "classes",      NULL},
 916                                 {"",            "",             NULL},
 917                                 {DT_NOSPACES,   DT_CHARPTR},
 918                                 InitTypes, DoType, DoneClassesAndTypes},
 919
 920                 {"class",
 921                                 {"name",        "commands",     NULL},
 922                                 {"",            "",             NULL},
 923                                 {DT_NOSPACES,   DT_CHARPTR},
 924                                 InitClasses, DoClass, DoneClassesAndTypes},
 925
 926                 {NULL,
 927                                 {NULL},
 928                                 {NULL},
 929                                 {0},
 930                                 NULL, NULL, NULL}
 931         };
 932
 933         /* Load and parse the config file, if there are any errors then explode */
 934
 935         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 936         ConfigDataHash newconfig;
 937
 938         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr, pass))
 939         {
 940                 /* If we succeeded, set the ircd config to the new one */
 941                 this->config_data = newconfig;
 942         }
 943         else
 944         {
 945                 ReportConfigError(errstr.str(), bail, user);
 946                 return;
 947         }
 948
 949         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 950         try
 951         {
 952                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 953                  */
 954                 for (int Index = 0; Values[Index].tag; Index++)
 955                 {
 956                         char item[MAXBUF];
 957                         int dt = Values[Index].datatype;
 958                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 959                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 960                         dt &= ~DT_ALLOW_NEWLINE;
 961                         dt &= ~DT_ALLOW_WILD;
 962
 963                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 964                         ValueItem vi(item);
 965
 966                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 967                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 968
 969                         switch (Values[Index].datatype)
 970                         {
 971                                 case DT_NOSPACES:
 972                                 {
 973                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 974                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 975                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 976                                 }
 977                                 break;
 978                                 case DT_HOSTNAME:
 979                                 {
 980                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 981                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 982                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 983                                 }
 984                                 break;
 985                                 case DT_IPADDRESS:
 986                                 {
 987                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 988                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
 989                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 990                                 }
 991                                 break;
 992                                 case DT_CHANNEL:
 993                                 {
 994                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 995                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
 996                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
 997                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 998                                 }
 999                                 break;
1000                                 case DT_CHARPTR:
1001                                 {
1002                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1003                                         /* Make sure we also copy the null terminator */
1004                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1005                                 }
1006                                 break;
1007                                 case DT_INTEGER:
1008                                 {
1009                                         int val = vi.GetInteger();
1010                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1011                                         vci->Set(&val, sizeof(int));
1012                                 }
1013                                 break;
1014                                 case DT_BOOLEAN:
1015                                 {
1016                                         bool val = vi.GetBool();
1017                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1018                                         vcb->Set(&val, sizeof(bool));
1019                                 }
1020                                 break;
1021                                 default:
1022                                         /* You don't want to know what happens if someones bad code sends us here. */
1023                                 break;
1024                         }
1025                         /* We're done with this now */
1026                         delete Values[Index].val;
1027                 }
1028
1029                 /* Read the multiple-tag items (class tags, connect tags, etc)
1030                  * and call the callbacks associated with them. We have three
1031                  * callbacks for these, a 'start', 'item' and 'end' callback.
1032                  */
1033                 for (int Index = 0; MultiValues[Index].tag; Index++)
1034                 {
1035                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1036
1037                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1038
1039                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1040                         {
1041                                 ValueList vl;
1042                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1043                                 {
1044                                         int dt = MultiValues[Index].datatype[valuenum];
1045                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1046                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1047                                         dt &= ~DT_ALLOW_NEWLINE;
1048                                         dt &= ~DT_ALLOW_WILD;
1049
1050                                         switch (dt)
1051                                         {
1052                                                 case DT_NOSPACES:
1053                                                 {
1054                                                         char item[MAXBUF];
1055                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1056                                                                 vl.push_back(ValueItem(item));
1057                                                         else
1058                                                                 vl.push_back(ValueItem(""));
1059                                                         this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1060                                                 }
1061                                                 break;
1062                                                 case DT_HOSTNAME:
1063                                                 {
1064                                                         char item[MAXBUF];
1065                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1066                                                                 vl.push_back(ValueItem(item));
1067                                                         else
1068                                                                 vl.push_back(ValueItem(""));
1069                                                         this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1070                                                 }
1071                                                 break;
1072                                                 case DT_IPADDRESS:
1073                                                 {
1074                                                         char item[MAXBUF];
1075                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1076                                                                 vl.push_back(ValueItem(item));
1077                                                         else
1078                                                                 vl.push_back(ValueItem(""));
1079                                                         this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1080                                                 }
1081                                                 break;
1082                                                 case DT_CHANNEL:
1083                                                 {
1084                                                         char item[MAXBUF];
1085                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1086                                                                 vl.push_back(ValueItem(item));
1087                                                         else
1088                                                                 vl.push_back(ValueItem(""));
1089                                                         if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1090                                                                 throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1091                                                 }
1092                                                 break;
1093                                                 case DT_CHARPTR:
1094                                                 {
1095                                                         char item[MAXBUF];
1096                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1097                                                                 vl.push_back(ValueItem(item));
1098                                                         else
1099                                                                 vl.push_back(ValueItem(""));
1100                                                 }
1101                                                 break;
1102                                                 case DT_INTEGER:
1103                                                 {
1104                                                         int item = 0;
1105                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1106                                                                 vl.push_back(ValueItem(item));
1107                                                         else
1108                                                                 vl.push_back(ValueItem(0));
1109                                                 }
1110                                                 break;
1111                                                 case DT_BOOLEAN:
1112                                                 {
1113                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1114                                                         vl.push_back(ValueItem(item));
1115                                                 }
1116                                                 break;
1117                                                 default:
1118                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
1119                                                 break;
1120                                         }
1121                                 }
1122                                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1123                         }
1124                                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1125                 }
1126
1127         }
1128
1129         catch (CoreException &ce)
1130         {
1131                 ReportConfigError(ce.GetReason(), bail, user);
1132                 return;
1133         }
1134
1135         /** XXX END PASS **/
1136         ServerInstance->Log(DEBUG,"End config pass %d", pass);
1137
1138         if (pass == 0)
1139         {
1140                 /* FIRST PASS: Set up commands, load modules.
1141                  * We cannot gaurantee that all config is correct
1142                  * at this point
1143                  */
1144
1145                 if (!ServerInstance->Res)
1146                         ServerInstance->Res = new DNS(ServerInstance);
1147                 /** Note: This is safe, the method checks for user == NULL */
1148                 ServerInstance->Parser->SetupCommandTable(user);
1149                 ServerInstance->Modules->LoadAll();
1150         }
1151         else
1152         {
1153                 /* SECOND PASS: Call modules to read configs, finalize
1154                  * stuff. Check that we have at least the required number
1155                  * of whichever items. This is no longer done first.
1156                  */
1157                 ConfigReader* n = new ConfigReader(ServerInstance);
1158                 FOREACH_MOD(I_OnReadConfig,OnReadConfig(this, n));
1159
1160                 for (int Index = 0; Once[Index]; Index++)
1161                         if (!CheckOnce(Once[Index]))
1162                                 return;
1163         }
1164
1165         // write once here, to try it out and make sure its ok
1166         ServerInstance->WritePID(this->PID);
1167
1168         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1169
1170         /* If we're rehashing, let's load any new modules, and unload old ones
1171          */
1172         if (!bail)
1173         {
1174                 int found_ports = 0;
1175                 FailedPortList pl;
1176                 ServerInstance->BindPorts(false, found_ports, pl);
1177
1178                 if (pl.size() && user)
1179                 {
1180                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1181                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1182                         int j = 1;
1183                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1184                         {
1185                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1186                         }
1187                 }
1188         }
1189
1190         if (!removed_modules.empty())
1191         {
1192                 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1193                 {
1194                         if (ServerInstance->Modules->Unload(removing->c_str()))
1195                         {
1196                                 ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
1197                                 if (user)
1198                                         user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1199                                 rem++;
1200                         }
1201                         else
1202                         {
1203                                 if (user)
1204                                         user->WriteServ("972 %s %s :%s",user->nick, removing->c_str(), ServerInstance->Modules->LastError().c_str());
1205                         }
1206                 }
1207         }
1208
1209         if (!added_modules.empty())
1210         {
1211                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1212                 {
1213                         /* Skip over modules that are aleready loaded for some reason */
1214                         if (ServerInstance->Modules->Find(*adding))
1215                                 continue;
1216
1217                         if (bail)
1218                                 printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n", adding->c_str());
1219
1220                         if (ServerInstance->Modules->Load(adding->c_str()))
1221                         {
1222                                 ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
1223                                 if (user)
1224                                         user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1225
1226                                 add++;
1227                         }
1228                         else
1229                         {
1230                                 if (user)
1231                                         user->WriteServ("974 %s %s :%s",user->nick, adding->c_str(), ServerInstance->Modules->LastError().c_str());
1232
1233                                 if (bail)
1234                                 {
1235                                         printf_c("\n[\033[1;31m*\033[0m] %s\n\n", ServerInstance->Modules->LastError().c_str());
1236                                         ServerInstance->Exit(EXIT_STATUS_MODULE);
1237                                 }
1238                         }
1239                 }
1240         }
1241
1242         ServerInstance->Log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
1243
1244         if (user)
1245                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1246         else
1247                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
1248 }
1249
1250 bool ServerConfig::Downloading()
1251 {
1252         if (isatty(0) && isatty(1) && isatty(2))
1253         {
1254                 printf(".");
1255                 fflush(stdout);
1256         }
1257
1258         /* Returns true if there are still files in the process of downloading */
1259         return (TotalDownloaded < IncludedFiles.size());
1260 }
1261
1262 void ServerConfig::Complete(const std::string &filename, bool error)
1263 {
1264         std::map<std::string, std::istream*>::iterator x = IncludedFiles.find(filename);
1265
1266         if (x != IncludedFiles.end())
1267         {
1268                 TotalDownloaded++;
1269                 if (error)
1270                 {
1271                         delete x->second;
1272                         x->second = NULL;
1273                         FileErrors++;
1274                 }
1275         }
1276
1277         return;
1278 }
1279
1280 void ServerConfig::StartDownloads()
1281 {
1282         if (isatty(0) && isatty(1) && isatty(2))
1283                 printf("Downloading configuration ");
1284
1285         TotalDownloaded = 0;
1286         FileErrors = 0;
1287
1288         /* Reads all local files into the IncludedFiles map, then initiates sockets for the remote ones */
1289         for (std::map<std::string, std::istream*>::iterator x = IncludedFiles.begin(); x != IncludedFiles.end(); ++x)
1290         {
1291                 std::string file = x->first;
1292                 ServerInstance->Log(DEBUG,"Begin download for %s", file.c_str());
1293                 if ((file[0] == '/') || (file.substr(0, 7) == "file://"))
1294                 {
1295                         ServerInstance->Log(DEBUG,"Core-handled schema for %s", file.c_str());
1296                         /* For file:// schema files, we use std::ifstream which is a derivative of std::istream.
1297                          * For all other file schemas, we use a std::stringstream.
1298                          */
1299
1300                         /* Add our own ifstream */
1301                         std::ifstream* conf = new std::ifstream(file.c_str());
1302                         if (!conf->fail())
1303                         {
1304                                 ServerInstance->Log(DEBUG,"file:// schema file %s loaded OK", file.c_str());
1305                                 delete x->second;
1306                                 x->second = conf;
1307                         }
1308                         else
1309                         {
1310                                 delete x->second;
1311                                 x->second = NULL;
1312                                 FileErrors++;
1313                         }
1314
1315                         TotalDownloaded++;
1316                 }
1317                 else
1318                 {
1319                         /* Modules handle these */
1320                         ServerInstance->Log(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                 }
1334         }
1335 }
1336
1337 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream, int pass)
1338 {
1339         std::string line;
1340         std::istream* conf = NULL;
1341         char ch;
1342         long linenumber;
1343         bool in_tag;
1344         bool in_quote;
1345         bool in_comment;
1346         int character_count = 0;
1347
1348         linenumber = 1;
1349         in_tag = false;
1350         in_quote = false;
1351         in_comment = false;
1352
1353         if (std::string(filename) == CONFIG_FILE)
1354         {
1355                 conf = new std::ifstream(filename);
1356                 if (conf->fail())
1357                 {
1358                         errorstream << "File " << filename << " could not be opened." << std::endl;
1359                         return false;
1360                 }
1361         }
1362         else
1363         {
1364                 std::map<std::string, std::istream*>::iterator x = IncludedFiles.find(filename);
1365                 if (x == IncludedFiles.end())
1366                 {
1367                         if (pass == 0)
1368                         {
1369                                 ServerInstance->Log(DEBUG,"Push include file %s onto map", filename);
1370                                 /* First pass, we insert the file into a map, and just return true */
1371                                 IncludedFiles.insert(std::make_pair(filename,new std::stringstream));
1372                                 return true;
1373                         }
1374                         else
1375                         {
1376                                 /* Second pass, look for the file in the map */
1377                                 ServerInstance->Log(DEBUG,"We are in the second pass, and %s is not in the map!", filename);
1378                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1379                                 return false;
1380                         }
1381                 }
1382                 else
1383                 {
1384                         if (x->second)
1385                                 conf = IncludedFiles.find(filename)->second;
1386                         else
1387                         {
1388                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1389                                 return false;
1390                         }
1391                 }
1392         }
1393
1394         /* Start reading characters... */
1395         while (conf->get(ch))
1396         {
1397
1398                 /*
1399                  * Fix for moronic windows issue spotted by Adremelech.
1400                  * Some windows editors save text files as utf-16, which is
1401                  * a total pain in the ass to parse. Users should save in the
1402                  * right config format! If we ever see a file where the first
1403                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1404                  * this is most likely a utf-16 file. Bail out and insult user.
1405                  */
1406                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1407                 {
1408                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1409                         return false;
1410                 }
1411
1412                 /*
1413                  * Here we try and get individual tags on separate lines,
1414                  * this would be so easy if we just made people format
1415                  * their config files like that, but they don't so...
1416                  * We check for a '<' and then know the line is over when
1417                  * we get a '>' not inside quotes. If we find two '<' and
1418                  * no '>' then die with an error.
1419                  */
1420
1421                 if ((ch == '#') && !in_quote)
1422                         in_comment = true;
1423
1424                 switch (ch)
1425                 {
1426                         case '\n':
1427                                 if (in_quote)
1428                                         line += '\n';
1429                                 linenumber++;
1430                         case '\r':
1431                                 if (!in_quote)
1432                                         in_comment = false;
1433                         case '\0':
1434                                 continue;
1435                         case '\t':
1436                                 ch = ' ';
1437                 }
1438
1439                 if(in_comment)
1440                         continue;
1441
1442                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1443                  * Note that this WILL NOT usually allow insertion of newlines,
1444                  * because a newline is two characters long. Use it primarily to
1445                  * insert the " symbol.
1446                  *
1447                  * Note that this also involves a further check when parsing the line,
1448                  * which can be found below.
1449                  */
1450                 if ((ch == '\\') && (in_quote) && (in_tag))
1451                 {
1452                         line += ch;
1453                         char real_character;
1454                         if (conf->get(real_character))
1455                         {
1456                                 if (real_character == 'n')
1457                                         real_character = '\n';
1458                                 line += real_character;
1459                                 continue;
1460                         }
1461                         else
1462                         {
1463                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1464                                 return false;
1465                         }
1466                 }
1467
1468                 if (ch != '\r')
1469                         line += ch;
1470
1471                 if (ch == '<')
1472                 {
1473                         if (in_tag)
1474                         {
1475                                 if (!in_quote)
1476                                 {
1477                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1478                                         return false;
1479                                 }
1480                         }
1481                         else
1482                         {
1483                                 if (in_quote)
1484                                 {
1485                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1486                                         return false;
1487                                 }
1488                                 else
1489                                 {
1490                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1491                                         in_tag = true;
1492                                 }
1493                         }
1494                 }
1495                 else if (ch == '"')
1496                 {
1497                         if (in_tag)
1498                         {
1499                                 if (in_quote)
1500                                 {
1501                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1502                                         in_quote = false;
1503                                 }
1504                                 else
1505                                 {
1506                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1507                                         in_quote = true;
1508                                 }
1509                         }
1510                         else
1511                         {
1512                                 if (in_quote)
1513                                 {
1514                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1515                                 }
1516                                 else
1517                                 {
1518                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1519                                 }
1520                         }
1521                 }
1522                 else if (ch == '>')
1523                 {
1524                         if (!in_quote)
1525                         {
1526                                 if (in_tag)
1527                                 {
1528                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1529                                         in_tag = false;
1530
1531                                         /*
1532                                          * If this finds an <include> then ParseLine can simply call
1533                                          * LoadConf() and load the included config into the same ConfigDataHash
1534                                          */
1535
1536                                         if (!this->ParseLine(target, line, linenumber, errorstream, pass))
1537                                                 return false;
1538
1539                                         line.clear();
1540                                 }
1541                                 else
1542                                 {
1543                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1544                                         return false;
1545                                 }
1546                         }
1547                 }
1548         }
1549
1550         /* 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 */
1551         if (in_comment || in_quote)
1552         {
1553                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1554                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1555         }
1556
1557         return true;
1558 }
1559
1560 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream, int pass)
1561 {
1562         return this->LoadConf(target, filename.c_str(), errorstream, pass);
1563 }
1564
1565 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream, int pass)
1566 {
1567         std::string tagname;
1568         std::string current_key;
1569         std::string current_value;
1570         KeyValList results;
1571         bool got_name;
1572         bool got_key;
1573         bool in_quote;
1574
1575         got_name = got_key = in_quote = false;
1576
1577         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1578         {
1579                 if (!got_name)
1580                 {
1581                         /* We don't know the tag name yet. */
1582
1583                         if (*c != ' ')
1584                         {
1585                                 if (*c != '<')
1586                                 {
1587                                         tagname += *c;
1588                                 }
1589                         }
1590                         else
1591                         {
1592                                 /* We got to a space, we should have the tagname now. */
1593                                 if(tagname.length())
1594                                 {
1595                                         got_name = true;
1596                                 }
1597                         }
1598                 }
1599                 else
1600                 {
1601                         /* We have the tag name */
1602                         if (!got_key)
1603                         {
1604                                 /* We're still reading the key name */
1605                                 if (*c != '=')
1606                                 {
1607                                         if (*c != ' ')
1608                                         {
1609                                                 current_key += *c;
1610                                         }
1611                                 }
1612                                 else
1613                                 {
1614                                         /* We got an '=', end of the key name. */
1615                                         got_key = true;
1616                                 }
1617                         }
1618                         else
1619                         {
1620                                 /* We have the key name, now we're looking for quotes and the value */
1621
1622                                 /* Correctly handle escaped characters here.
1623                                  * See the XXX'ed section above.
1624                                  */
1625                                 if ((*c == '\\') && (in_quote))
1626                                 {
1627                                         c++;
1628                                         if (*c == 'n')
1629                                                 current_value += '\n';
1630                                         else
1631                                                 current_value += *c;
1632                                         continue;
1633                                 }
1634                                 else if ((*c == '\n') && (in_quote))
1635                                 {
1636                                         /* Got a 'real' \n, treat it as part of the value */
1637                                         current_value += '\n';
1638                                         linenumber++;
1639                                         continue;
1640                                 }
1641                                 else if ((*c == '\r') && (in_quote))
1642                                         /* Got a \r, drop it */
1643                                         continue;
1644
1645                                 if (*c == '"')
1646                                 {
1647                                         if (!in_quote)
1648                                         {
1649                                                 /* We're not already in a quote. */
1650                                                 in_quote = true;
1651                                         }
1652                                         else
1653                                         {
1654                                                 /* Leaving quotes, we have the value */
1655                                                 results.push_back(KeyVal(current_key, current_value));
1656
1657                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1658
1659                                                 in_quote = false;
1660                                                 got_key = false;
1661
1662                                                 if ((tagname == "include") && (current_key == "file"))
1663                                                 {
1664                                                         if (!this->DoInclude(target, current_value, errorstream, pass))
1665                                                                 return false;
1666                                                 }
1667
1668                                                 current_key.clear();
1669                                                 current_value.clear();
1670                                         }
1671                                 }
1672                                 else
1673                                 {
1674                                         if (in_quote)
1675                                         {
1676                                                 current_value += *c;
1677                                         }
1678                                 }
1679                         }
1680                 }
1681         }
1682
1683         /* Finished parsing the tag, add it to the config hash */
1684         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1685
1686         return true;
1687 }
1688
1689 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream, int pass)
1690 {
1691         std::string confpath;
1692         std::string newfile;
1693         std::string::size_type pos;
1694
1695         confpath = ServerInstance->ConfigFileName;
1696         newfile = file;
1697
1698         std::replace(newfile.begin(),newfile.end(),'\\','/');
1699         std::replace(confpath.begin(),confpath.end(),'\\','/');
1700
1701         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1702         {
1703                 if((pos = confpath.rfind("/")) != std::string::npos)
1704                 {
1705                         /* Leaves us with just the path */
1706                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1707                 }
1708                 else
1709                 {
1710                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1711                         return false;
1712                 }
1713         }
1714
1715         return LoadConf(target, newfile, errorstream, pass);
1716 }
1717
1718 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1719 {
1720         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1721 }
1722
1723 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1724 {
1725         std::string value;
1726         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1727         strlcpy(result, value.c_str(), length);
1728         return r;
1729 }
1730
1731 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1732 {
1733         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1734 }
1735
1736 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)
1737 {
1738         ConfigDataHash::size_type pos = index;
1739         if (pos < target.count(tag))
1740         {
1741                 ConfigDataHash::iterator iter = target.find(tag);
1742
1743                 for(int i = 0; i < index; i++)
1744                         iter++;
1745
1746                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1747                 {
1748                         if(j->first == var)
1749                         {
1750                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1751                                 {
1752                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1753                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1754                                                 if (*n == '\n')
1755                                                         *n = ' ';
1756                                 }
1757                                 else
1758                                 {
1759                                         result = j->second;
1760                                         return true;
1761                                 }
1762                         }
1763                 }
1764                 if (!default_value.empty())
1765                 {
1766                         result = default_value;
1767                         return true;
1768                 }
1769         }
1770         else if(pos == 0)
1771         {
1772                 if (!default_value.empty())
1773                 {
1774                         result = default_value;
1775                         return true;
1776                 }
1777         }
1778         return false;
1779 }
1780
1781 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1782 {
1783         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1784 }
1785
1786 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1787 {
1788         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1789 }
1790
1791 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1792 {
1793         return ConfValueInteger(target, tag, var, "", index, result);
1794 }
1795
1796 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1797 {
1798         std::string value;
1799         std::istringstream stream;
1800         bool r = ConfValue(target, tag, var, default_value, index, value);
1801         stream.str(value);
1802         if(!(stream >> result))
1803                 return false;
1804         else
1805         {
1806                 if (!value.empty())
1807                 {
1808                         if (value.substr(0,2) == "0x")
1809                         {
1810                                 char* endptr;
1811
1812                                 value.erase(0,2);
1813                                 result = strtol(value.c_str(), &endptr, 16);
1814
1815                                 /* No digits found */
1816                                 if (endptr == value.c_str())
1817                                         return false;
1818                         }
1819                         else
1820                         {
1821                                 char denominator = *(value.end() - 1);
1822                                 switch (toupper(denominator))
1823                                 {
1824                                         case 'K':
1825                                                 /* Kilobytes -> bytes */
1826                                                 result = result * 1024;
1827                                         break;
1828                                         case 'M':
1829                                                 /* Megabytes -> bytes */
1830                                                 result = result * 1024 * 1024;
1831                                         break;
1832                                         case 'G':
1833                                                 /* Gigabytes -> bytes */
1834                                                 result = result * 1024 * 1024 * 1024;
1835                                         break;
1836                                 }
1837                         }
1838                 }
1839         }
1840         return r;
1841 }
1842
1843
1844 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1845 {
1846         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1847 }
1848
1849 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1850 {
1851         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1852 }
1853
1854 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1855 {
1856         return ConfValueBool(target, tag, var, "", index);
1857 }
1858
1859 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1860 {
1861         std::string result;
1862         if(!ConfValue(target, tag, var, default_value, index, result))
1863                 return false;
1864
1865         return ((result == "yes") || (result == "true") || (result == "1"));
1866 }
1867
1868 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1869 {
1870         return target.count(tag);
1871 }
1872
1873 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1874 {
1875         return target.count(tag);
1876 }
1877
1878 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1879 {
1880         return ConfVarEnum(target, std::string(tag), index);
1881 }
1882
1883 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1884 {
1885         ConfigDataHash::size_type pos = index;
1886
1887         if (pos < target.count(tag))
1888         {
1889                 ConfigDataHash::const_iterator iter = target.find(tag);
1890
1891                 for(int i = 0; i < index; i++)
1892                         iter++;
1893
1894                 return iter->second.size();
1895         }
1896
1897         return 0;
1898 }
1899
1900 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1901  */
1902 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1903 {
1904         if (!fname || !*fname)
1905                 return false;
1906
1907         FILE* file = NULL;
1908         char linebuf[MAXBUF];
1909
1910         F.clear();
1911
1912         if ((*fname != '/') && (*fname != '\\'))
1913         {
1914                 std::string::size_type pos;
1915                 std::string confpath = ServerInstance->ConfigFileName;
1916                 std::string newfile = fname;
1917
1918                 if ((pos = confpath.rfind("/")) != std::string::npos)
1919                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1920                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1921                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1922
1923                 if (!FileExists(newfile.c_str()))
1924                         return false;
1925                 file =  fopen(newfile.c_str(), "r");
1926         }
1927         else
1928         {
1929                 if (!FileExists(fname))
1930                         return false;
1931                 file =  fopen(fname, "r");
1932         }
1933
1934         if (file)
1935         {
1936                 while (!feof(file))
1937                 {
1938                         if (fgets(linebuf, sizeof(linebuf), file))
1939                                 linebuf[strlen(linebuf)-1] = 0;
1940                         else
1941                                 *linebuf = 0;
1942
1943                         if (!feof(file))
1944                         {
1945                                 F.push_back(*linebuf ? linebuf : " ");
1946                         }
1947                 }
1948
1949                 fclose(file);
1950         }
1951         else
1952                 return false;
1953
1954         return true;
1955 }
1956
1957 bool ServerConfig::FileExists(const char* file)
1958 {
1959         struct stat sb;
1960         if (stat(file, &sb) == -1)
1961                 return false;
1962
1963         if ((sb.st_mode & S_IFDIR) > 0)
1964                 return false;
1965
1966         FILE *input;
1967         if ((input = fopen (file, "r")) == NULL)
1968                 return false;
1969         else
1970         {
1971                 fclose(input);
1972                 return true;
1973         }
1974 }
1975
1976 char* ServerConfig::CleanFilename(char* name)
1977 {
1978         char* p = name + strlen(name);
1979         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1980         return (p != name ? ++p : p);
1981 }
1982
1983
1984 bool ServerConfig::DirValid(const char* dirandfile)
1985 {
1986 #ifdef WINDOWS
1987         return true;
1988 #endif
1989
1990         char work[1024];
1991         char buffer[1024];
1992         char otherdir[1024];
1993         int p;
1994
1995         strlcpy(work, dirandfile, 1024);
1996         p = strlen(work);
1997
1998         // we just want the dir
1999         while (*work)
2000         {
2001                 if (work[p] == '/')
2002                 {
2003                         work[p] = '\0';
2004                         break;
2005                 }
2006
2007                 work[p--] = '\0';
2008         }
2009
2010         // Get the current working directory
2011         if (getcwd(buffer, 1024 ) == NULL )
2012                 return false;
2013
2014         if (chdir(work) == -1)
2015                 return false;
2016
2017         if (getcwd(otherdir, 1024 ) == NULL )
2018                 return false;
2019
2020         if (chdir(buffer) == -1)
2021                 return false;
2022
2023         size_t t = strlen(work);
2024
2025         if (strlen(otherdir) >= t)
2026         {
2027                 otherdir[t] = '\0';
2028                 if (!strcmp(otherdir,work))
2029                 {
2030                         return true;
2031                 }
2032
2033                 return false;
2034         }
2035         else
2036         {
2037                 return false;
2038         }
2039 }
2040
2041 std::string ServerConfig::GetFullProgDir()
2042 {
2043         char buffer[PATH_MAX+1];
2044 #ifdef WINDOWS
2045         /* Windows has specific api calls to get the exe path that never fail.
2046          * For once, windows has something of use, compared to the POSIX code
2047          * for this, this is positively neato.
2048          */
2049         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2050         {
2051                 std::string fullpath = buffer;
2052                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2053                 return std::string(fullpath, 0, n);
2054         }
2055 #else
2056         // Get the current working directory
2057         if (getcwd(buffer, PATH_MAX))
2058         {
2059                 std::string remainder = this->argv[0];
2060
2061                 /* Does argv[0] start with /? its a full path, use it */
2062                 if (remainder[0] == '/')
2063                 {
2064                         std::string::size_type n = remainder.rfind("/inspircd");
2065                         return std::string(remainder, 0, n);
2066                 }
2067
2068                 std::string fullpath = std::string(buffer) + "/" + remainder;
2069                 std::string::size_type n = fullpath.rfind("/inspircd");
2070                 return std::string(fullpath, 0, n);
2071         }
2072 #endif
2073         return "/";
2074 }
2075
2076 InspIRCd* ServerConfig::GetInstance()
2077 {
2078         return ServerInstance;
2079 }
2080
2081 std::string ServerConfig::GetSID()
2082 {
2083         std::string OurSID;
2084         OurSID += (char)((sid / 100) + 48);
2085         OurSID += (char)((sid / 10) % 10 + 48);
2086         OurSID += (char)(sid % 10 + 48);
2087         return OurSID;
2088 }
2089
2090 ValueItem::ValueItem(int value)
2091 {
2092         std::stringstream n;
2093         n << value;
2094         v = n.str();
2095 }
2096
2097 ValueItem::ValueItem(bool value)
2098 {
2099         std::stringstream n;
2100         n << value;
2101         v = n.str();
2102 }
2103
2104 ValueItem::ValueItem(char* value)
2105 {
2106         v = value;
2107 }
2108
2109 void ValueItem::Set(char* value)
2110 {
2111         v = value;
2112 }
2113
2114 void ValueItem::Set(const char* value)
2115 {
2116         v = value;
2117 }
2118
2119 void ValueItem::Set(int value)
2120 {
2121         std::stringstream n;
2122         n << value;
2123         v = n.str();
2124 }
2125
2126 int ValueItem::GetInteger()
2127 {
2128         if (v.empty())
2129                 return 0;
2130         return atoi(v.c_str());
2131 }
2132
2133 char* ValueItem::GetString()
2134 {
2135         return (char*)v.c_str();
2136 }
2137
2138 bool ValueItem::GetBool()
2139 {
2140         return (GetInteger() || v == "yes" || v == "true");
2141 }
2142
2143
2144
2145
2146 /*
2147  * XXX should this be in a class? -- w00t
2148  */
2149 bool InitTypes(ServerConfig* conf, const char*)
2150 {
2151         if (conf->opertypes.size())
2152         {
2153                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2154                 {
2155                         if (n->second)
2156                                 delete[] n->second;
2157                 }
2158         }
2159
2160         conf->opertypes.clear();
2161         return true;
2162 }
2163
2164 /*
2165  * XXX should this be in a class? -- w00t
2166  */
2167 bool InitClasses(ServerConfig* conf, const char*)
2168 {
2169         if (conf->operclass.size())
2170         {
2171                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2172                 {
2173                         if (n->second)
2174                                 delete[] n->second;
2175                 }
2176         }
2177
2178         conf->operclass.clear();
2179         return true;
2180 }
2181
2182 /*
2183  * XXX should this be in a class? -- w00t
2184  */
2185 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2186 {
2187         const char* TypeName = values[0].GetString();
2188         const char* Classes = values[1].GetString();
2189
2190         conf->opertypes[TypeName] = strnewdup(Classes);
2191         return true;
2192 }
2193
2194 /*
2195  * XXX should this be in a class? -- w00t
2196  */
2197 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2198 {
2199         const char* ClassName = values[0].GetString();
2200         const char* CommandList = values[1].GetString();
2201
2202         conf->operclass[ClassName] = strnewdup(CommandList);
2203         return true;
2204 }
2205
2206 /*
2207  * XXX should this be in a class? -- w00t
2208  */
2209 bool DoneClassesAndTypes(ServerConfig*, const char*)
2210 {
2211         return true;
2212 }
2213
2214
2215
2216 bool InitXLine(ServerConfig* conf, const char* tag)
2217 {
2218         return true;
2219 }
2220
2221 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2222 {
2223         const char* reason = values[0].GetString();
2224         const char* ipmask = values[1].GetString();
2225
2226         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2227         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2228                 delete zl;
2229
2230         return true;
2231 }
2232
2233 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2234 {
2235         const char* reason = values[0].GetString();
2236         const char* nick = values[1].GetString();
2237
2238         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2239         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2240                 delete ql;
2241
2242         return true;
2243 }
2244
2245 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2246 {
2247         const char* reason = values[0].GetString();
2248         const char* host = values[1].GetString();
2249
2250         XLineManager* xlm = conf->GetInstance()->XLines;
2251
2252         IdentHostPair ih = xlm->IdentSplit(host);
2253
2254         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2255         if (!xlm->AddLine(kl, NULL))
2256                 delete kl;
2257         return true;
2258 }
2259
2260 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2261 {
2262         const char* reason = values[0].GetString();
2263         const char* host = values[1].GetString();
2264
2265         XLineManager* xlm = conf->GetInstance()->XLines;
2266
2267         IdentHostPair ih = xlm->IdentSplit(host);
2268
2269         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2270         if (!xlm->AddLine(el, NULL))
2271                 delete el;
2272         return true;
2273 }
2274
2275 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2276 bool DoneELine(ServerConfig* conf, const char* tag)
2277 {
2278         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->local_users.begin(); u2 != conf->GetInstance()->local_users.end(); u2++)
2279         {
2280                 User* u = (User*)(*u2);
2281                 u->exempt = false;
2282         }
2283
2284         conf->GetInstance()->XLines->CheckELines();
2285         return true;
2286 }
2287