src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = MAXCLIENTS;
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         LogLevel = DEFAULT;
  57         maxbans.clear();
  58         DNSServerValidator = &ValidateDnsServer;
  59 }
  60
  61 void ServerConfig::ClearStack()
  62 {
  63         include_stack.clear();
  64 }
  65
  66 Module* ServerConfig::GetIOHook(int port)
  67 {
  68         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  69         return (x != IOHookModule.end() ? x->second : NULL);
  70 }
  71
  72 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  73 {
  74         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  75         return (x != SocketIOHookModule.end() ? x->second : NULL);
  76 }
  77
  78 bool ServerConfig::AddIOHook(int port, Module* iomod)
  79 {
  80         if (!GetIOHook(port))
  81         {
  82                 IOHookModule[port] = iomod;
  83                 return true;
  84         }
  85         else
  86         {
  87                 throw ModuleException("Port already hooked by another module");
  88                 return false;
  89         }
  90 }
  91
  92 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  93 {
  94         if (!GetIOHook(is))
  95         {
  96                 SocketIOHookModule[is] = iomod;
  97                 is->IsIOHooked = true;
  98                 return true;
  99         }
 100         else
 101         {
 102                 throw ModuleException("BufferedSocket derived class already hooked by another module");
 103                 return false;
 104         }
 105 }
 106
 107 bool ServerConfig::DelIOHook(int port)
 108 {
 109         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 110         if (x != IOHookModule.end())
 111         {
 112                 IOHookModule.erase(x);
 113                 return true;
 114         }
 115         return false;
 116 }
 117
 118 bool ServerConfig::DelIOHook(BufferedSocket* is)
 119 {
 120         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 121         if (x != SocketIOHookModule.end())
 122         {
 123                 SocketIOHookModule.erase(x);
 124                 return true;
 125         }
 126         return false;
 127 }
 128
 129 void ServerConfig::Update005()
 130 {
 131         std::stringstream out(data005);
 132         std::string token;
 133         std::string line5;
 134         int token_counter = 0;
 135         isupport.clear();
 136         while (out >> token)
 137         {
 138                 line5 = line5 + token + " ";
 139                 token_counter++;
 140                 if (token_counter >= 13)
 141                 {
 142                         char buf[MAXBUF];
 143                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                         isupport.push_back(buf);
 145                         line5.clear();
 146                         token_counter = 0;
 147                 }
 148         }
 149         if (!line5.empty())
 150         {
 151                 char buf[MAXBUF];
 152                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 153                 isupport.push_back(buf);
 154         }
 155 }
 156
 157 void ServerConfig::Send005(User* user)
 158 {
 159         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 160                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 161 }
 162
 163 bool ServerConfig::CheckOnce(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 //      std::string  sid = data.GetString();
 482         return true;
 483 }
 484
 485 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 486 {
 487         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 488
 489         if (conf->WhoWasGroupSize < 0)
 490                 conf->WhoWasGroupSize = 0;
 491
 492         if (conf->WhoWasMaxGroups < 0)
 493                 conf->WhoWasMaxGroups = 0;
 494
 495         if (conf->WhoWasMaxKeep < 3600)
 496         {
 497                 conf->WhoWasMaxKeep = 3600;
 498                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 499         }
 500
 501         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 502         if (whowas_command)
 503         {
 504                 std::deque<classbase*> params;
 505                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 506         }
 507
 508         return true;
 509 }
 510
 511 /* Callback called before processing the first <connect> tag
 512  */
 513 bool InitConnect(ServerConfig* conf, const char*)
 514 {
 515         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 516
 517         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end(); i++)
 518         {
 519                 ConnectClass *c = *i;
 520
 521                 conf->GetInstance()->Log(DEBUG, "Address of class is %p", c);
 522         }
 523
 524         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 525         {
 526                 ConnectClass* c = *i;
 527
 528                 /* only delete a class with refcount 0 */
 529                 if (c->RefCount == 0)
 530                 {
 531                         conf->GetInstance()->Log(DEFAULT, "Removing connect class, refcount is 0!");
 532
 533                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 534                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 535                          * Now the increment is in the else { } below.
 536                          */
 537                         conf->Classes.erase(i);
 538                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 539                 }
 540                 else
 541                 {
 542                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 543                         c->SetDisabled(true);
 544                         i++;
 545                 }
 546         }
 547
 548         return true;
 549 }
 550
 551 /* Callback called to process a single <connect> tag
 552  */
 553 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 554 {
 555         ConnectClass c;
 556         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 557         const char* deny = values[1].GetString();
 558         const char* password = values[2].GetString();
 559         int timeout = values[3].GetInteger();
 560         int pingfreq = values[4].GetInteger();
 561         int flood = values[5].GetInteger();
 562         int threshold = values[6].GetInteger();
 563         int sendq = values[7].GetInteger();
 564         int recvq = values[8].GetInteger();
 565         int localmax = values[9].GetInteger();
 566         int globalmax = values[10].GetInteger();
 567         int port = values[11].GetInteger();
 568         const char* name = values[12].GetString();
 569         const char* parent = values[13].GetString();
 570         int maxchans = values[14].GetInteger();
 571         unsigned long limit = values[15].GetInteger();
 572
 573         /*
 574          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 575          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 576          */
 577         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 578         {
 579                 ConnectClass* c = *item;
 580                 if ((*name && (c->GetName() == name)) || (*allow && (c->GetHost() == allow)) || (*deny && (c->GetHost() == deny)))
 581                 {
 582                         /* reenable class so users can be shoved into it :P */
 583                         c->SetDisabled(false);
 584                         conf->GetInstance()->Log(DEFAULT, "Not adding class, it already exists!");
 585                         return true;
 586                 }
 587         }
 588
 589         conf->GetInstance()->Log(DEFAULT,"Adding a connect class!");
 590
 591         if (*parent)
 592         {
 593                 /* Find 'parent' and inherit a new class from it,
 594                  * then overwrite any values that are set here
 595                  */
 596                 ClassVector::iterator item = conf->Classes.begin();
 597                 for (; item != conf->Classes.end(); ++item)
 598                 {
 599                         ConnectClass* c = *item;
 600                         conf->GetInstance()->Log(DEBUG,"Class: %s", c->GetName().c_str());
 601                         if (c->GetName() == parent)
 602                         {
 603                                 ConnectClass* newclass = new ConnectClass(name, c);
 604                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 605                                 conf->Classes.push_back(newclass);
 606                                 break;
 607                         }
 608                 }
 609                 if (item == conf->Classes.end())
 610                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 611         }
 612         else
 613         {
 614                 if (*allow)
 615                 {
 616                         ConnectClass* c = new ConnectClass(name, timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans);
 617                         c->limit = limit;
 618                         c->SetPort(port);
 619                         conf->Classes.push_back(c);
 620                 }
 621                 else
 622                 {
 623                         ConnectClass* c = new ConnectClass(name, deny);
 624                         c->SetPort(port);
 625                         conf->Classes.push_back(c);
 626                 }
 627         }
 628
 629         return true;
 630 }
 631
 632 /* Callback called when there are no more <connect> tags
 633  */
 634 bool DoneConnect(ServerConfig *conf, const char*)
 635 {
 636         conf->GetInstance()->Log(DEFAULT, "Done adding connect classes!");
 637         return true;
 638 }
 639
 640 /* Callback called before processing the first <uline> tag
 641  */
 642 bool InitULine(ServerConfig* conf, const char*)
 643 {
 644         conf->ulines.clear();
 645         return true;
 646 }
 647
 648 /* Callback called to process a single <uline> tag
 649  */
 650 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 651 {
 652         const char* server = values[0].GetString();
 653         const bool silent = values[1].GetBool();
 654         conf->ulines[server] = silent;
 655         return true;
 656 }
 657
 658 /* Callback called when there are no more <uline> tags
 659  */
 660 bool DoneULine(ServerConfig*, const char*)
 661 {
 662         return true;
 663 }
 664
 665 /* Callback called before processing the first <module> tag
 666  */
 667 bool InitModule(ServerConfig* conf, const char*)
 668 {
 669         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 670         new_module_names.clear();
 671         added_modules.clear();
 672         removed_modules.clear();
 673         return true;
 674 }
 675
 676 /* Callback called to process a single <module> tag
 677  */
 678 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 679 {
 680         const char* modname = values[0].GetString();
 681         new_module_names.push_back(modname);
 682         return true;
 683 }
 684
 685 /* Callback called when there are no more <module> tags
 686  */
 687 bool DoneModule(ServerConfig*, const char*)
 688 {
 689         // now create a list of new modules that are due to be loaded
 690         // and a seperate list of modules which are due to be unloaded
 691         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 692         {
 693                 bool added = true;
 694
 695                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 696                 {
 697                         if (*old == *_new)
 698                                 added = false;
 699                 }
 700
 701                 if (added)
 702                         added_modules.push_back(*_new);
 703         }
 704
 705         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 706         {
 707                 bool removed = true;
 708                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 709                 {
 710                         if (*newm == *oldm)
 711                                 removed = false;
 712                 }
 713
 714                 if (removed)
 715                         removed_modules.push_back(*oldm);
 716         }
 717         return true;
 718 }
 719
 720 /* Callback called before processing the first <banlist> tag
 721  */
 722 bool InitMaxBans(ServerConfig* conf, const char*)
 723 {
 724         conf->maxbans.clear();
 725         return true;
 726 }
 727
 728 /* Callback called to process a single <banlist> tag
 729  */
 730 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 731 {
 732         const char* channel = values[0].GetString();
 733         int limit = values[1].GetInteger();
 734         conf->maxbans[channel] = limit;
 735         return true;
 736 }
 737
 738 /* Callback called when there are no more <banlist> tags.
 739  */
 740 bool DoneMaxBans(ServerConfig*, const char*)
 741 {
 742         return true;
 743 }
 744
 745 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 746 {
 747         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 748         if (bail)
 749         {
 750                 /* Unneeded because of the ServerInstance->Log() aboive? */
 751                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 752                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 753         }
 754         else
 755         {
 756                 std::string errors = errormessage;
 757                 std::string::size_type start;
 758                 unsigned int prefixlen;
 759                 start = 0;
 760                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 761                 if (user)
 762                 {
 763                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 764                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 765                         while (start < errors.length())
 766                         {
 767                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 768                                 start += 510 - prefixlen;
 769                         }
 770                 }
 771                 else
 772                 {
 773                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 774                         while (start < errors.length())
 775                         {
 776                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 777                                 start += 360;
 778                         }
 779                 }
 780                 return;
 781         }
 782 }
 783
 784 void ServerConfig::Read(bool bail, User* user, int pass)
 785 {
 786         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 787
 788         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 789         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 790         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 791         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 792         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 793         errstr.clear();
 794
 795         /* These tags MUST occur and must ONLY occur once in the config file */
 796         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 797
 798         /* These tags can occur ONCE or not at all */
 799         InitialConfig Values[] = {
 800                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 801                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 802                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 803                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 804                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 805                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 806                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR,  ValidateSID},
 807                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 808                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 809                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 810                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 811                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 812                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 813                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 814                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 815                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 816                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 817                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 818                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 819                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 820                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 821                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 822                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 823                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 824                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 825                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 826                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 827                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 828                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 829                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 830                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 831                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 832                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 833                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 834                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 835                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 836                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 837                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 838                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 839                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 840                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 841                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 842                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 843                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 844                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 845                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 846                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 847                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 848                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 849                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 850                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 851                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 852                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 853                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 854         };
 855
 856         /* These tags can occur multiple times, and therefore they have special code to read them
 857          * which is different to the code for reading the singular tags listed above.
 858          */
 859         MultiConfig MultiValues[] = {
 860
 861                 {"connect",
 862                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 863                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 864                                 "name",         "parent",       "maxchans",     "limit",
 865                                 NULL},
 866                                 {"",            "",             "",             "",             "120",          "",
 867                                  "",            "",             "",             "3",            "3",            "0",
 868                                  "",            "",             "0",        "0",
 869                                  NULL},
 870                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 871                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 872                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 873                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 874                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER},
 875                                 InitConnect, DoConnect, DoneConnect},
 876
 877                 {"uline",
 878                                 {"server",      "silent",       NULL},
 879                                 {"",            "0",            NULL},
 880                                 {DT_HOSTNAME,   DT_BOOLEAN},
 881                                 InitULine,DoULine,DoneULine},
 882
 883                 {"banlist",
 884                                 {"chan",        "limit",        NULL},
 885                                 {"",            "",             NULL},
 886                                 {DT_CHARPTR,    DT_INTEGER},
 887                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 888
 889                 {"module",
 890                                 {"name",        NULL},
 891                                 {"",            NULL},
 892                                 {DT_CHARPTR},
 893                                 InitModule, DoModule, DoneModule},
 894
 895                 {"badip",
 896                                 {"reason",      "ipmask",       NULL},
 897                                 {"No reason",   "",             NULL},
 898                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 899                                 InitXLine, DoZLine, DoneConfItem},
 900
 901                 {"badnick",
 902                                 {"reason",      "nick",         NULL},
 903                                 {"No reason",   "",             NULL},
 904                                 {DT_CHARPTR,    DT_CHARPTR},
 905                                 InitXLine, DoQLine, DoneConfItem},
 906
 907                 {"badhost",
 908                                 {"reason",      "host",         NULL},
 909                                 {"No reason",   "",             NULL},
 910                                 {DT_CHARPTR,    DT_CHARPTR},
 911                                 InitXLine, DoKLine, DoneConfItem},
 912
 913                 {"exception",
 914                                 {"reason",      "host",         NULL},
 915                                 {"No reason",   "",             NULL},
 916                                 {DT_CHARPTR,    DT_CHARPTR},
 917                                 InitXLine, DoELine, DoneELine},
 918
 919                 {"type",
 920                                 {"name",        "classes",      NULL},
 921                                 {"",            "",             NULL},
 922                                 {DT_NOSPACES,   DT_CHARPTR},
 923                                 InitTypes, DoType, DoneClassesAndTypes},
 924
 925                 {"class",
 926                                 {"name",        "commands",     NULL},
 927                                 {"",            "",             NULL},
 928                                 {DT_NOSPACES,   DT_CHARPTR},
 929                                 InitClasses, DoClass, DoneClassesAndTypes},
 930
 931                 {NULL,
 932                                 {NULL},
 933                                 {NULL},
 934                                 {0},
 935                                 NULL, NULL, NULL}
 936         };
 937
 938         /* Load and parse the config file, if there are any errors then explode */
 939
 940         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 941         newconfig.clear();
 942
 943         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr, pass))
 944         {
 945                 /* If we succeeded, set the ircd config to the new one */
 946                 this->config_data = newconfig;
 947         }
 948         else
 949         {
 950                 ReportConfigError(errstr.str(), bail, user);
 951                 return;
 952         }
 953
 954         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 955         try
 956         {
 957                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 958                  */
 959                 for (int Index = 0; Values[Index].tag; Index++)
 960                 {
 961                         char item[MAXBUF];
 962                         int dt = Values[Index].datatype;
 963                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 964                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 965                         dt &= ~DT_ALLOW_NEWLINE;
 966                         dt &= ~DT_ALLOW_WILD;
 967
 968                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 969                         ValueItem vi(item);
 970
 971                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 972                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 973
 974                         switch (Values[Index].datatype)
 975                         {
 976                                 case DT_NOSPACES:
 977                                 {
 978                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 979                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 980                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 981                                 }
 982                                 break;
 983                                 case DT_HOSTNAME:
 984                                 {
 985                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 986                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 987                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 988                                 }
 989                                 break;
 990                                 case DT_IPADDRESS:
 991                                 {
 992                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 993                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
 994                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 995                                 }
 996                                 break;
 997                                 case DT_CHANNEL:
 998                                 {
 999                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1000                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1001                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1002                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1003                                 }
1004                                 break;
1005                                 case DT_CHARPTR:
1006                                 {
1007                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1008                                         /* Make sure we also copy the null terminator */
1009                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1010                                 }
1011                                 break;
1012                                 case DT_INTEGER:
1013                                 {
1014                                         int val = vi.GetInteger();
1015                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1016                                         vci->Set(&val, sizeof(int));
1017                                 }
1018                                 break;
1019                                 case DT_BOOLEAN:
1020                                 {
1021                                         bool val = vi.GetBool();
1022                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1023                                         vcb->Set(&val, sizeof(bool));
1024                                 }
1025                                 break;
1026                                 default:
1027                                         /* You don't want to know what happens if someones bad code sends us here. */
1028                                 break;
1029                         }
1030                         /* We're done with this now */
1031                         delete Values[Index].val;
1032                 }
1033
1034                 /* Read the multiple-tag items (class tags, connect tags, etc)
1035                  * and call the callbacks associated with them. We have three
1036                  * callbacks for these, a 'start', 'item' and 'end' callback.
1037                  */
1038                 for (int Index = 0; MultiValues[Index].tag; Index++)
1039                 {
1040                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1041
1042                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1043
1044                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1045                         {
1046                                 ValueList vl;
1047                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1048                                 {
1049                                         int dt = MultiValues[Index].datatype[valuenum];
1050                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1051                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1052                                         dt &= ~DT_ALLOW_NEWLINE;
1053                                         dt &= ~DT_ALLOW_WILD;
1054
1055                                         switch (dt)
1056                                         {
1057                                                 case DT_NOSPACES:
1058                                                 {
1059                                                         char item[MAXBUF];
1060                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1061                                                                 vl.push_back(ValueItem(item));
1062                                                         else
1063                                                                 vl.push_back(ValueItem(""));
1064                                                         this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1065                                                 }
1066                                                 break;
1067                                                 case DT_HOSTNAME:
1068                                                 {
1069                                                         char item[MAXBUF];
1070                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1071                                                                 vl.push_back(ValueItem(item));
1072                                                         else
1073                                                                 vl.push_back(ValueItem(""));
1074                                                         this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1075                                                 }
1076                                                 break;
1077                                                 case DT_IPADDRESS:
1078                                                 {
1079                                                         char item[MAXBUF];
1080                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1081                                                                 vl.push_back(ValueItem(item));
1082                                                         else
1083                                                                 vl.push_back(ValueItem(""));
1084                                                         this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1085                                                 }
1086                                                 break;
1087                                                 case DT_CHANNEL:
1088                                                 {
1089                                                         char item[MAXBUF];
1090                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1091                                                                 vl.push_back(ValueItem(item));
1092                                                         else
1093                                                                 vl.push_back(ValueItem(""));
1094                                                         if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1095                                                                 throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1096                                                 }
1097                                                 break;
1098                                                 case DT_CHARPTR:
1099                                                 {
1100                                                         char item[MAXBUF];
1101                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1102                                                                 vl.push_back(ValueItem(item));
1103                                                         else
1104                                                                 vl.push_back(ValueItem(""));
1105                                                 }
1106                                                 break;
1107                                                 case DT_INTEGER:
1108                                                 {
1109                                                         int item = 0;
1110                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1111                                                                 vl.push_back(ValueItem(item));
1112                                                         else
1113                                                                 vl.push_back(ValueItem(0));
1114                                                 }
1115                                                 break;
1116                                                 case DT_BOOLEAN:
1117                                                 {
1118                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1119                                                         vl.push_back(ValueItem(item));
1120                                                 }
1121                                                 break;
1122                                                 default:
1123                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
1124                                                 break;
1125                                         }
1126                                 }
1127                                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1128                         }
1129                                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1130                 }
1131
1132         }
1133
1134         catch (CoreException &ce)
1135         {
1136                 ReportConfigError(ce.GetReason(), bail, user);
1137                 return;
1138         }
1139
1140         /** XXX END PASS **/
1141         ServerInstance->Log(DEBUG,"End config pass %d", pass);
1142
1143         if (pass == 0)
1144         {
1145                 /* FIRST PASS: Set up commands, load modules.
1146                  * We cannot gaurantee that all config is correct
1147                  * at this point
1148                  */
1149
1150                 if (pass == 0)
1151                 {
1152                         ServerInstance->Log(DEBUG, "Downloading configuration");
1153
1154                         TotalDownloaded = 0;
1155                         FileErrors = 0;
1156                 }
1157
1158                 if (!ServerInstance->Res)
1159                         ServerInstance->Res = new DNS(ServerInstance);
1160                 /** Note: This is safe, the method checks for user == NULL */
1161                 ServerInstance->Parser->SetupCommandTable(user);
1162                 ServerInstance->Modules->LoadAll();
1163         }
1164         else
1165         {
1166                 /* SECOND PASS: Call modules to read configs, finalize
1167                  * stuff. Check that we have at least the required number
1168                  * of whichever items. This is no longer done first.
1169                  */
1170                 ConfigReader* n = new ConfigReader(ServerInstance);
1171                 FOREACH_MOD(I_OnReadConfig,OnReadConfig(this, n));
1172
1173                 for (int Index = 0; Once[Index]; Index++)
1174                         if (!CheckOnce(Once[Index]))
1175                                 return;
1176         }
1177
1178         // write once here, to try it out and make sure its ok
1179         ServerInstance->WritePID(this->PID);
1180
1181         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1182
1183         /* If we're rehashing, let's load any new modules, and unload old ones
1184          */
1185         if (!bail)
1186         {
1187                 int found_ports = 0;
1188                 FailedPortList pl;
1189                 ServerInstance->BindPorts(false, found_ports, pl);
1190
1191                 if (pl.size() && user)
1192                 {
1193                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1194                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1195                         int j = 1;
1196                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1197                         {
1198                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1199                         }
1200                 }
1201         }
1202
1203         if (!removed_modules.empty())
1204         {
1205                 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1206                 {
1207                         if (ServerInstance->Modules->Unload(removing->c_str()))
1208                         {
1209                                 ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
1210                                 if (user)
1211                                         user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1212                                 rem++;
1213                         }
1214                         else
1215                         {
1216                                 if (user)
1217                                         user->WriteServ("972 %s %s :%s",user->nick, removing->c_str(), ServerInstance->Modules->LastError().c_str());
1218                         }
1219                 }
1220         }
1221
1222         if (!added_modules.empty())
1223         {
1224                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1225                 {
1226                         /* Skip over modules that are aleready loaded for some reason */
1227                         if (ServerInstance->Modules->Find(*adding))
1228                                 continue;
1229
1230                         if (bail)
1231                                 printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n", adding->c_str());
1232
1233                         if (ServerInstance->Modules->Load(adding->c_str()))
1234                         {
1235                                 ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
1236                                 if (user)
1237                                         user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1238
1239                                 add++;
1240                         }
1241                         else
1242                         {
1243                                 if (user)
1244                                         user->WriteServ("974 %s %s :%s",user->nick, adding->c_str(), ServerInstance->Modules->LastError().c_str());
1245
1246                                 if (bail)
1247                                 {
1248                                         printf_c("\n[\033[1;31m*\033[0m] %s\n\n", ServerInstance->Modules->LastError().c_str());
1249                                         ServerInstance->Exit(EXIT_STATUS_MODULE);
1250                                 }
1251                         }
1252                 }
1253         }
1254
1255         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());
1256
1257         if (user)
1258                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1259         else
1260                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
1261 }
1262
1263 /* XXX: This can and will block! */
1264 void ServerConfig::DoDownloads()
1265 {
1266         ServerInstance->Log(DEBUG,"In DoDownloads()");
1267
1268         /* Reads all local files into the IncludedFiles map, then initiates sockets for the remote ones */
1269         for (std::map<std::string, std::istream*>::iterator x = IncludedFiles.begin(); x != IncludedFiles.end(); ++x)
1270         {
1271                 if (CompletedFiles.find(x->first) != CompletedFiles.end())
1272                         continue;
1273
1274                 ServerInstance->Log(DEBUG,"StartDownloads File: %s", x->first.c_str());
1275
1276                 std::string file = x->first;
1277                 if ((file[0] == '/') || (file.substr(0, 7) == "file://"))
1278                 {
1279                         /* For file:// schema files, we use std::ifstream which is a derivative of std::istream.
1280                          * For all other file schemas, we use a std::stringstream.
1281                          */
1282
1283                         /* Add our own ifstream */
1284                         std::ifstream* conf = new std::ifstream(file.c_str());
1285                         if (!conf->fail())
1286                         {
1287                                 ServerInstance->Log(DEBUG,"file:// schema file %s loaded OK", file.c_str());
1288                                 delete x->second;
1289                                 x->second = conf;
1290                         }
1291                         else
1292                         {
1293                                 delete x->second;
1294                                 x->second = NULL;
1295                                 FileErrors++;
1296                         }
1297                         TotalDownloaded++;
1298                 }
1299                 else
1300                 {
1301                         /* Modules handle these */
1302                         ServerInstance->Log(DEBUG,"Module-handled schema for %s", x->first.c_str());
1303
1304                         /* For now, error it */
1305                         int MOD_RESULT = 0;
1306                         FOREACH_RESULT(I_OnDownloadFile, OnDownloadFile(file, x->second));
1307                         if (MOD_RESULT == 0)
1308                         {
1309                                 /* No module claimed this file */
1310                                 TotalDownloaded++;
1311                                 FileErrors++;
1312                                 delete x->second;
1313                                 x->second = NULL;
1314                         }
1315                         else
1316                         {
1317                                 /* Search new file here for more includes to parse */
1318                         }
1319                 }
1320                 CompletedFiles[x->first] = true;
1321         }
1322 }
1323
1324 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream, int pass, std::istream *scan_for_includes_only)
1325 {
1326         std::string line;
1327         std::istream* conf = NULL;
1328         char ch;
1329         long linenumber;
1330         bool in_tag;
1331         bool in_quote;
1332         bool in_comment;
1333         int character_count = 0;
1334
1335         linenumber = 1;
1336         in_tag = false;
1337         in_quote = false;
1338         in_comment = false;
1339
1340         if (scan_for_includes_only)
1341         {
1342                 ServerInstance->Log(DEBUG,"scan_for_includes_only set");
1343                 conf = scan_for_includes_only;
1344         }
1345
1346         if (std::string(filename) == CONFIG_FILE)
1347         {
1348                 if (!scan_for_includes_only)
1349                 {
1350                         conf = new std::ifstream(filename);
1351                         if (conf->fail())
1352                         {
1353                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1354                                 return false;
1355                         }
1356                 }
1357         }
1358         else
1359         {
1360                 std::map<std::string, std::istream*>::iterator x = IncludedFiles.find(filename);
1361                 if (x == IncludedFiles.end())
1362                 {
1363                         if (pass == 0)
1364                         {
1365                                 ServerInstance->Log(DEBUG,"Push include file %s onto map", filename);
1366                                 /* First pass, we insert the file into a map, and just return true */
1367                                 IncludedFiles.insert(std::make_pair(filename,new std::stringstream));
1368                                 return true;
1369                         }
1370                         else
1371                         {
1372                                 /* Second pass, look for the file in the map */
1373                                 ServerInstance->Log(DEBUG,"We are in the second pass, and %s is not in the map!", filename);
1374                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1375                                 return false;
1376                         }
1377                 }
1378                 else
1379                 {
1380                         if (!scan_for_includes_only)
1381                         {
1382                                 if (x->second)
1383                                         conf = IncludedFiles.find(filename)->second;
1384                                 else
1385                                 {
1386                                         errorstream << "File " << filename << " could not be opened." << std::endl;
1387                                         return false;
1388                                 }
1389                         }
1390                 }
1391         }
1392
1393         ServerInstance->Log(DEBUG,"Start to read conf %s %08lx", filename, conf);
1394
1395         /* Start reading characters... */
1396         while (conf->get(ch))
1397         {
1398
1399                 /*
1400                  * Fix for moronic windows issue spotted by Adremelech.
1401                  * Some windows editors save text files as utf-16, which is
1402                  * a total pain in the ass to parse. Users should save in the
1403                  * right config format! If we ever see a file where the first
1404                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1405                  * this is most likely a utf-16 file. Bail out and insult user.
1406                  */
1407                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1408                 {
1409                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1410                         if (!scan_for_includes_only)
1411                                 delete conf;
1412                         return false;
1413                 }
1414
1415                 /*
1416                  * Here we try and get individual tags on separate lines,
1417                  * this would be so easy if we just made people format
1418                  * their config files like that, but they don't so...
1419                  * We check for a '<' and then know the line is over when
1420                  * we get a '>' not inside quotes. If we find two '<' and
1421                  * no '>' then die with an error.
1422                  */
1423
1424                 if ((ch == '#') && !in_quote)
1425                         in_comment = true;
1426
1427                 switch (ch)
1428                 {
1429                         case '\n':
1430                                 if (in_quote)
1431                                         line += '\n';
1432                                 linenumber++;
1433                         case '\r':
1434                                 if (!in_quote)
1435                                         in_comment = false;
1436                         case '\0':
1437                                 continue;
1438                         case '\t':
1439                                 ch = ' ';
1440                 }
1441
1442                 if(in_comment)
1443                         continue;
1444
1445                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1446                  * Note that this WILL NOT usually allow insertion of newlines,
1447                  * because a newline is two characters long. Use it primarily to
1448                  * insert the " symbol.
1449                  *
1450                  * Note that this also involves a further check when parsing the line,
1451                  * which can be found below.
1452                  */
1453                 if ((ch == '\\') && (in_quote) && (in_tag))
1454                 {
1455                         line += ch;
1456                         char real_character;
1457                         if (conf->get(real_character))
1458                         {
1459                                 if (real_character == 'n')
1460                                         real_character = '\n';
1461                                 line += real_character;
1462                                 continue;
1463                         }
1464                         else
1465                         {
1466                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1467                                 if (!scan_for_includes_only)
1468                                         delete conf;
1469                                 return false;
1470                         }
1471                 }
1472
1473                 if (ch != '\r')
1474                         line += ch;
1475
1476                 if (ch == '<')
1477                 {
1478                         if (in_tag)
1479                         {
1480                                 if (!in_quote)
1481                                 {
1482                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1483                                         if (!scan_for_includes_only)
1484                                                 delete conf;
1485                                         return false;
1486                                 }
1487                         }
1488                         else
1489                         {
1490                                 if (in_quote)
1491                                 {
1492                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1493                                         if (!scan_for_includes_only)
1494                                                 delete conf;
1495                                         return false;
1496                                 }
1497                                 else
1498                                 {
1499                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1500                                         in_tag = true;
1501                                 }
1502                         }
1503                 }
1504                 else if (ch == '"')
1505                 {
1506                         if (in_tag)
1507                         {
1508                                 if (in_quote)
1509                                 {
1510                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1511                                         in_quote = false;
1512                                 }
1513                                 else
1514                                 {
1515                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1516                                         in_quote = true;
1517                                 }
1518                         }
1519                         else
1520                         {
1521                                 if (in_quote)
1522                                 {
1523                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1524                                 }
1525                                 else
1526                                 {
1527                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1528                                 }
1529                         }
1530                 }
1531                 else if (ch == '>')
1532                 {
1533                         if (!in_quote)
1534                         {
1535                                 if (in_tag)
1536                                 {
1537                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1538                                         in_tag = false;
1539
1540                                         /*
1541                                          * If this finds an <include> then ParseLine can simply call
1542                                          * LoadConf() and load the included config into the same ConfigDataHash
1543                                          */
1544
1545                                         if (!this->ParseLine(target, line, linenumber, errorstream, pass, scan_for_includes_only))
1546                                         {
1547                                                 if (!scan_for_includes_only)
1548                                                         delete conf;
1549                                                 return false;
1550                                         }
1551
1552                                         line.clear();
1553                                 }
1554                                 else
1555                                 {
1556                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1557                                         if (!scan_for_includes_only)
1558                                                 delete conf;
1559                                         return false;
1560                                 }
1561                         }
1562                 }
1563         }
1564
1565         /* 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 */
1566         if (in_comment || in_quote)
1567         {
1568                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1569                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1570         }
1571
1572         if (!scan_for_includes_only)
1573                 delete conf;
1574         return true;
1575 }
1576
1577 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream, int pass, std::istream* scan_for_includs_only)
1578 {
1579         return this->LoadConf(target, filename.c_str(), errorstream, pass, scan_for_includs_only);
1580 }
1581
1582 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
1583 {
1584         std::string tagname;
1585         std::string current_key;
1586         std::string current_value;
1587         KeyValList results;
1588         bool got_name;
1589         bool got_key;
1590         bool in_quote;
1591
1592         got_name = got_key = in_quote = false;
1593
1594         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1595         {
1596                 if (!got_name)
1597                 {
1598                         /* We don't know the tag name yet. */
1599
1600                         if (*c != ' ')
1601                         {
1602                                 if (*c != '<')
1603                                 {
1604                                         tagname += *c;
1605                                 }
1606                         }
1607                         else
1608                         {
1609                                 /* We got to a space, we should have the tagname now. */
1610                                 if(tagname.length())
1611                                 {
1612                                         got_name = true;
1613                                 }
1614                         }
1615                 }
1616                 else
1617                 {
1618                         /* We have the tag name */
1619                         if (!got_key)
1620                         {
1621                                 /* We're still reading the key name */
1622                                 if (*c != '=')
1623                                 {
1624                                         if (*c != ' ')
1625                                         {
1626                                                 current_key += *c;
1627                                         }
1628                                 }
1629                                 else
1630                                 {
1631                                         /* We got an '=', end of the key name. */
1632                                         got_key = true;
1633                                 }
1634                         }
1635                         else
1636                         {
1637                                 /* We have the key name, now we're looking for quotes and the value */
1638
1639                                 /* Correctly handle escaped characters here.
1640                                  * See the XXX'ed section above.
1641                                  */
1642                                 if ((*c == '\\') && (in_quote))
1643                                 {
1644                                         c++;
1645                                         if (*c == 'n')
1646                                                 current_value += '\n';
1647                                         else
1648                                                 current_value += *c;
1649                                         continue;
1650                                 }
1651                                 else if ((*c == '\n') && (in_quote))
1652                                 {
1653                                         /* Got a 'real' \n, treat it as part of the value */
1654                                         current_value += '\n';
1655                                         linenumber++;
1656                                         continue;
1657                                 }
1658                                 else if ((*c == '\r') && (in_quote))
1659                                         /* Got a \r, drop it */
1660                                         continue;
1661
1662                                 if (*c == '"')
1663                                 {
1664                                         if (!in_quote)
1665                                         {
1666                                                 /* We're not already in a quote. */
1667                                                 in_quote = true;
1668                                         }
1669                                         else
1670                                         {
1671                                                 /* Leaving quotes, we have the value */
1672                                                 if (!scan_for_includes_only)
1673                                                         results.push_back(KeyVal(current_key, current_value));
1674
1675                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1676
1677                                                 in_quote = false;
1678                                                 got_key = false;
1679
1680                                                 if ((tagname == "include") && (current_key == "file"))
1681                                                 {
1682                                                         if (!this->DoInclude(target, current_value, errorstream, pass, scan_for_includes_only))
1683                                                                 return false;
1684                                                 }
1685
1686                                                 current_key.clear();
1687                                                 current_value.clear();
1688                                         }
1689                                 }
1690                                 else
1691                                 {
1692                                         if (in_quote)
1693                                         {
1694                                                 current_value += *c;
1695                                         }
1696                                 }
1697                         }
1698                 }
1699         }
1700
1701         /* Finished parsing the tag, add it to the config hash */
1702         if (!scan_for_includes_only)
1703                 target.insert(std::pair<std::string, KeyValList > (tagname, results));
1704
1705         return true;
1706 }
1707
1708 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
1709 {
1710         std::string confpath;
1711         std::string newfile;
1712         std::string::size_type pos;
1713
1714         confpath = ServerInstance->ConfigFileName;
1715         newfile = file;
1716
1717         std::replace(newfile.begin(),newfile.end(),'\\','/');
1718         std::replace(confpath.begin(),confpath.end(),'\\','/');
1719
1720         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1721         {
1722                 if((pos = confpath.rfind("/")) != std::string::npos)
1723                 {
1724                         /* Leaves us with just the path */
1725                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1726                 }
1727                 else
1728                 {
1729                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1730                         return false;
1731                 }
1732         }
1733
1734         return LoadConf(target, newfile, errorstream, pass, scan_for_includes_only);
1735 }
1736
1737 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1738 {
1739         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1740 }
1741
1742 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1743 {
1744         std::string value;
1745         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1746         strlcpy(result, value.c_str(), length);
1747         return r;
1748 }
1749
1750 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1751 {
1752         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1753 }
1754
1755 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)
1756 {
1757         ConfigDataHash::size_type pos = index;
1758         if (pos < target.count(tag))
1759         {
1760                 ConfigDataHash::iterator iter = target.find(tag);
1761
1762                 for(int i = 0; i < index; i++)
1763                         iter++;
1764
1765                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1766                 {
1767                         if(j->first == var)
1768                         {
1769                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1770                                 {
1771                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1772                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1773                                                 if (*n == '\n')
1774                                                         *n = ' ';
1775                                 }
1776                                 else
1777                                 {
1778                                         result = j->second;
1779                                         return true;
1780                                 }
1781                         }
1782                 }
1783                 if (!default_value.empty())
1784                 {
1785                         result = default_value;
1786                         return true;
1787                 }
1788         }
1789         else if(pos == 0)
1790         {
1791                 if (!default_value.empty())
1792                 {
1793                         result = default_value;
1794                         return true;
1795                 }
1796         }
1797         return false;
1798 }
1799
1800 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1801 {
1802         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1803 }
1804
1805 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1806 {
1807         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1808 }
1809
1810 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1811 {
1812         return ConfValueInteger(target, tag, var, "", index, result);
1813 }
1814
1815 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1816 {
1817         std::string value;
1818         std::istringstream stream;
1819         bool r = ConfValue(target, tag, var, default_value, index, value);
1820         stream.str(value);
1821         if(!(stream >> result))
1822                 return false;
1823         else
1824         {
1825                 if (!value.empty())
1826                 {
1827                         if (value.substr(0,2) == "0x")
1828                         {
1829                                 char* endptr;
1830
1831                                 value.erase(0,2);
1832                                 result = strtol(value.c_str(), &endptr, 16);
1833
1834                                 /* No digits found */
1835                                 if (endptr == value.c_str())
1836                                         return false;
1837                         }
1838                         else
1839                         {
1840                                 char denominator = *(value.end() - 1);
1841                                 switch (toupper(denominator))
1842                                 {
1843                                         case 'K':
1844                                                 /* Kilobytes -> bytes */
1845                                                 result = result * 1024;
1846                                         break;
1847                                         case 'M':
1848                                                 /* Megabytes -> bytes */
1849                                                 result = result * 1024 * 1024;
1850                                         break;
1851                                         case 'G':
1852                                                 /* Gigabytes -> bytes */
1853                                                 result = result * 1024 * 1024 * 1024;
1854                                         break;
1855                                 }
1856                         }
1857                 }
1858         }
1859         return r;
1860 }
1861
1862
1863 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1864 {
1865         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1866 }
1867
1868 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1869 {
1870         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1871 }
1872
1873 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1874 {
1875         return ConfValueBool(target, tag, var, "", index);
1876 }
1877
1878 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1879 {
1880         std::string result;
1881         if(!ConfValue(target, tag, var, default_value, index, result))
1882                 return false;
1883
1884         return ((result == "yes") || (result == "true") || (result == "1"));
1885 }
1886
1887 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1888 {
1889         return target.count(tag);
1890 }
1891
1892 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1893 {
1894         return target.count(tag);
1895 }
1896
1897 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1898 {
1899         return ConfVarEnum(target, std::string(tag), index);
1900 }
1901
1902 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1903 {
1904         ConfigDataHash::size_type pos = index;
1905
1906         if (pos < target.count(tag))
1907         {
1908                 ConfigDataHash::const_iterator iter = target.find(tag);
1909
1910                 for(int i = 0; i < index; i++)
1911                         iter++;
1912
1913                 return iter->second.size();
1914         }
1915
1916         return 0;
1917 }
1918
1919 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1920  */
1921 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1922 {
1923         if (!fname || !*fname)
1924                 return false;
1925
1926         FILE* file = NULL;
1927         char linebuf[MAXBUF];
1928
1929         F.clear();
1930
1931         if ((*fname != '/') && (*fname != '\\'))
1932         {
1933                 std::string::size_type pos;
1934                 std::string confpath = ServerInstance->ConfigFileName;
1935                 std::string newfile = fname;
1936
1937                 if ((pos = confpath.rfind("/")) != std::string::npos)
1938                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1939                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1940                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1941
1942                 if (!FileExists(newfile.c_str()))
1943                         return false;
1944                 file =  fopen(newfile.c_str(), "r");
1945         }
1946         else
1947         {
1948                 if (!FileExists(fname))
1949                         return false;
1950                 file =  fopen(fname, "r");
1951         }
1952
1953         if (file)
1954         {
1955                 while (!feof(file))
1956                 {
1957                         if (fgets(linebuf, sizeof(linebuf), file))
1958                                 linebuf[strlen(linebuf)-1] = 0;
1959                         else
1960                                 *linebuf = 0;
1961
1962                         if (!feof(file))
1963                         {
1964                                 F.push_back(*linebuf ? linebuf : " ");
1965                         }
1966                 }
1967
1968                 fclose(file);
1969         }
1970         else
1971                 return false;
1972
1973         return true;
1974 }
1975
1976 bool ServerConfig::FileExists(const char* file)
1977 {
1978         struct stat sb;
1979         if (stat(file, &sb) == -1)
1980                 return false;
1981
1982         if ((sb.st_mode & S_IFDIR) > 0)
1983                 return false;
1984
1985         FILE *input;
1986         if ((input = fopen (file, "r")) == NULL)
1987                 return false;
1988         else
1989         {
1990                 fclose(input);
1991                 return true;
1992         }
1993 }
1994
1995 char* ServerConfig::CleanFilename(char* name)
1996 {
1997         char* p = name + strlen(name);
1998         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1999         return (p != name ? ++p : p);
2000 }
2001
2002
2003 bool ServerConfig::DirValid(const char* dirandfile)
2004 {
2005 #ifdef WINDOWS
2006         return true;
2007 #endif
2008
2009         char work[1024];
2010         char buffer[1024];
2011         char otherdir[1024];
2012         int p;
2013
2014         strlcpy(work, dirandfile, 1024);
2015         p = strlen(work);
2016
2017         // we just want the dir
2018         while (*work)
2019         {
2020                 if (work[p] == '/')
2021                 {
2022                         work[p] = '\0';
2023                         break;
2024                 }
2025
2026                 work[p--] = '\0';
2027         }
2028
2029         // Get the current working directory
2030         if (getcwd(buffer, 1024 ) == NULL )
2031                 return false;
2032
2033         if (chdir(work) == -1)
2034                 return false;
2035
2036         if (getcwd(otherdir, 1024 ) == NULL )
2037                 return false;
2038
2039         if (chdir(buffer) == -1)
2040                 return false;
2041
2042         size_t t = strlen(work);
2043
2044         if (strlen(otherdir) >= t)
2045         {
2046                 otherdir[t] = '\0';
2047                 if (!strcmp(otherdir,work))
2048                 {
2049                         return true;
2050                 }
2051
2052                 return false;
2053         }
2054         else
2055         {
2056                 return false;
2057         }
2058 }
2059
2060 std::string ServerConfig::GetFullProgDir()
2061 {
2062         char buffer[PATH_MAX+1];
2063 #ifdef WINDOWS
2064         /* Windows has specific api calls to get the exe path that never fail.
2065          * For once, windows has something of use, compared to the POSIX code
2066          * for this, this is positively neato.
2067          */
2068         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2069         {
2070                 std::string fullpath = buffer;
2071                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2072                 return std::string(fullpath, 0, n);
2073         }
2074 #else
2075         // Get the current working directory
2076         if (getcwd(buffer, PATH_MAX))
2077         {
2078                 std::string remainder = this->argv[0];
2079
2080                 /* Does argv[0] start with /? its a full path, use it */
2081                 if (remainder[0] == '/')
2082                 {
2083                         std::string::size_type n = remainder.rfind("/inspircd");
2084                         return std::string(remainder, 0, n);
2085                 }
2086
2087                 std::string fullpath = std::string(buffer) + "/" + remainder;
2088                 std::string::size_type n = fullpath.rfind("/inspircd");
2089                 return std::string(fullpath, 0, n);
2090         }
2091 #endif
2092         return "/";
2093 }
2094
2095 InspIRCd* ServerConfig::GetInstance()
2096 {
2097         return ServerInstance;
2098 }
2099
2100 std::string ServerConfig::GetSID()
2101 {
2102         return sid;
2103 }
2104
2105 ValueItem::ValueItem(int value)
2106 {
2107         std::stringstream n;
2108         n << value;
2109         v = n.str();
2110 }
2111
2112 ValueItem::ValueItem(bool value)
2113 {
2114         std::stringstream n;
2115         n << value;
2116         v = n.str();
2117 }
2118
2119 ValueItem::ValueItem(char* value)
2120 {
2121         v = value;
2122 }
2123
2124 void ValueItem::Set(char* value)
2125 {
2126         v = value;
2127 }
2128
2129 void ValueItem::Set(const char* value)
2130 {
2131         v = value;
2132 }
2133
2134 void ValueItem::Set(int value)
2135 {
2136         std::stringstream n;
2137         n << value;
2138         v = n.str();
2139 }
2140
2141 int ValueItem::GetInteger()
2142 {
2143         if (v.empty())
2144                 return 0;
2145         return atoi(v.c_str());
2146 }
2147
2148 char* ValueItem::GetString()
2149 {
2150         return (char*)v.c_str();
2151 }
2152
2153 bool ValueItem::GetBool()
2154 {
2155         return (GetInteger() || v == "yes" || v == "true");
2156 }
2157
2158
2159
2160
2161 /*
2162  * XXX should this be in a class? -- w00t
2163  */
2164 bool InitTypes(ServerConfig* conf, const char*)
2165 {
2166         if (conf->opertypes.size())
2167         {
2168                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2169                 {
2170                         if (n->second)
2171                                 delete[] n->second;
2172                 }
2173         }
2174
2175         conf->opertypes.clear();
2176         return true;
2177 }
2178
2179 /*
2180  * XXX should this be in a class? -- w00t
2181  */
2182 bool InitClasses(ServerConfig* conf, const char*)
2183 {
2184         if (conf->operclass.size())
2185         {
2186                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2187                 {
2188                         if (n->second)
2189                                 delete[] n->second;
2190                 }
2191         }
2192
2193         conf->operclass.clear();
2194         return true;
2195 }
2196
2197 /*
2198  * XXX should this be in a class? -- w00t
2199  */
2200 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2201 {
2202         const char* TypeName = values[0].GetString();
2203         const char* Classes = values[1].GetString();
2204
2205         conf->opertypes[TypeName] = strnewdup(Classes);
2206         return true;
2207 }
2208
2209 /*
2210  * XXX should this be in a class? -- w00t
2211  */
2212 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2213 {
2214         const char* ClassName = values[0].GetString();
2215         const char* CommandList = values[1].GetString();
2216
2217         conf->operclass[ClassName] = strnewdup(CommandList);
2218         return true;
2219 }
2220
2221 /*
2222  * XXX should this be in a class? -- w00t
2223  */
2224 bool DoneClassesAndTypes(ServerConfig*, const char*)
2225 {
2226         return true;
2227 }
2228
2229
2230
2231 bool InitXLine(ServerConfig* conf, const char* tag)
2232 {
2233         return true;
2234 }
2235
2236 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2237 {
2238         const char* reason = values[0].GetString();
2239         const char* ipmask = values[1].GetString();
2240
2241         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2242         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2243                 delete zl;
2244
2245         return true;
2246 }
2247
2248 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2249 {
2250         const char* reason = values[0].GetString();
2251         const char* nick = values[1].GetString();
2252
2253         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2254         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2255                 delete ql;
2256
2257         return true;
2258 }
2259
2260 bool DoKLine(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         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2270         if (!xlm->AddLine(kl, NULL))
2271                 delete kl;
2272         return true;
2273 }
2274
2275 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2276 {
2277         const char* reason = values[0].GetString();
2278         const char* host = values[1].GetString();
2279
2280         XLineManager* xlm = conf->GetInstance()->XLines;
2281
2282         IdentHostPair ih = xlm->IdentSplit(host);
2283
2284         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2285         if (!xlm->AddLine(el, NULL))
2286                 delete el;
2287         return true;
2288 }
2289
2290 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2291 bool DoneELine(ServerConfig* conf, const char* tag)
2292 {
2293         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->local_users.begin(); u2 != conf->GetInstance()->local_users.end(); u2++)
2294         {
2295                 User* u = (User*)(*u2);
2296                 u->exempt = false;
2297         }
2298
2299         conf->GetInstance()->XLines->CheckELines();
2300         return true;
2301 }