src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = MAXCLIENTS;
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         LogLevel = DEFAULT;
  57         maxbans.clear();
  58         DNSServerValidator = &ValidateDnsServer;
  59 }
  60
  61 void ServerConfig::ClearStack()
  62 {
  63         include_stack.clear();
  64 }
  65
  66 Module* ServerConfig::GetIOHook(int port)
  67 {
  68         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  69         return (x != IOHookModule.end() ? x->second : NULL);
  70 }
  71
  72 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  73 {
  74         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  75         return (x != SocketIOHookModule.end() ? x->second : NULL);
  76 }
  77
  78 bool ServerConfig::AddIOHook(int port, Module* iomod)
  79 {
  80         if (!GetIOHook(port))
  81         {
  82                 IOHookModule[port] = iomod;
  83                 return true;
  84         }
  85         else
  86         {
  87                 throw ModuleException("Port already hooked by another module");
  88                 return false;
  89         }
  90 }
  91
  92 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  93 {
  94         if (!GetIOHook(is))
  95         {
  96                 SocketIOHookModule[is] = iomod;
  97                 is->IsIOHooked = true;
  98                 return true;
  99         }
 100         else
 101         {
 102                 throw ModuleException("BufferedSocket derived class already hooked by another module");
 103                 return false;
 104         }
 105 }
 106
 107 bool ServerConfig::DelIOHook(int port)
 108 {
 109         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 110         if (x != IOHookModule.end())
 111         {
 112                 IOHookModule.erase(x);
 113                 return true;
 114         }
 115         return false;
 116 }
 117
 118 bool ServerConfig::DelIOHook(BufferedSocket* is)
 119 {
 120         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 121         if (x != SocketIOHookModule.end())
 122         {
 123                 SocketIOHookModule.erase(x);
 124                 return true;
 125         }
 126         return false;
 127 }
 128
 129 void ServerConfig::Update005()
 130 {
 131         std::stringstream out(data005);
 132         std::string token;
 133         std::string line5;
 134         int token_counter = 0;
 135         isupport.clear();
 136         while (out >> token)
 137         {
 138                 line5 = line5 + token + " ";
 139                 token_counter++;
 140                 if (token_counter >= 13)
 141                 {
 142                         char buf[MAXBUF];
 143                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                         isupport.push_back(buf);
 145                         line5.clear();
 146                         token_counter = 0;
 147                 }
 148         }
 149         if (!line5.empty())
 150         {
 151                 char buf[MAXBUF];
 152                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 153                 isupport.push_back(buf);
 154         }
 155 }
 156
 157 void ServerConfig::Send005(User* user)
 158 {
 159         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 160                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 161 }
 162
 163 bool ServerConfig::CheckOnce(char* tag)
 164 {
 165         int count = ConfValueEnum(this->config_data, tag);
 166
 167         if (count > 1)
 168         {
 169                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 170                 return false;
 171         }
 172         if (count < 1)
 173         {
 174                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 175                 return false;
 176         }
 177         return true;
 178 }
 179
 180 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 181 {
 182         return true;
 183 }
 184
 185 bool DoneConfItem(ServerConfig* conf, const char* tag)
 186 {
 187         return true;
 188 }
 189
 190 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
 191 {
 192         for (const char* ptr = p; *ptr; ++ptr)
 193         {
 194                 if (*ptr == ' ')
 195                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
 196         }
 197 }
 198
 199 /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
 200  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
 201  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
 202  */
 203 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
 204 {
 205         int num_dots = 0;
 206         int num_seps = 0;
 207         int not_numbers = false;
 208         int not_hex = false;
 209
 210         if (*p)
 211         {
 212                 if (*p == '.')
 213                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 214
 215                 for (const char* ptr = p; *ptr; ++ptr)
 216                 {
 217                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
 218                                 continue;
 219
 220                         if (*ptr != ':' && *ptr != '.')
 221                         {
 222                                 if (*ptr < '0' || *ptr > '9')
 223                                         not_numbers = true;
 224                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
 225                                         not_hex = true;
 226                         }
 227                         switch (*ptr)
 228                         {
 229                                 case ' ':
 230                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 231                                 case '.':
 232                                         num_dots++;
 233                                 break;
 234                                 case ':':
 235                                         num_seps++;
 236                                 break;
 237                         }
 238                 }
 239
 240                 if (num_dots > 3)
 241                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
 242
 243                 if (num_seps > 8)
 244                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
 245
 246                 if (num_seps == 0 && num_dots < 3 && !wild)
 247                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
 248
 249                 if (num_seps == 0 && num_dots == 3 && not_numbers)
 250                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
 251
 252                 if (num_seps != 0 && not_hex)
 253                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
 254
 255                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
 256                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
 257         }
 258 }
 259
 260 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
 261 {
 262         int num_dots = 0;
 263         if (*p)
 264         {
 265                 if (*p == '.')
 266                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 267                 for (const char* ptr = p; *ptr; ++ptr)
 268                 {
 269                         switch (*ptr)
 270                         {
 271                                 case ' ':
 272                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 273                                 case '.':
 274                                         num_dots++;
 275                                 break;
 276                         }
 277                 }
 278                 if (num_dots == 0)
 279                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 280         }
 281 }
 282
 283 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 284 {
 285         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 286         {
 287                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 288                 data.Set(20);
 289         }
 290         return true;
 291 }
 292
 293 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 294 {
 295         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 296         {
 297                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 298                 data.Set(MAXCLIENTS);
 299         }
 300         return true;
 301 }
 302
 303 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 304 {
 305         if (data.GetInteger() > SOMAXCONN)
 306                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 307         return true;
 308 }
 309
 310 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 311 {
 312         std::stringstream dcmds(data);
 313         std::string thiscmd;
 314
 315         /* Enable everything first */
 316         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 317                 x->second->Disable(false);
 318
 319         /* Now disable all the ones which the user wants disabled */
 320         while (dcmds >> thiscmd)
 321         {
 322                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 323                 if (cm != ServerInstance->Parser->cmdlist.end())
 324                 {
 325                         cm->second->Disable(true);
 326                 }
 327         }
 328         return true;
 329 }
 330
 331 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 332 {
 333         if (!*(data.GetString()))
 334         {
 335                 std::string nameserver;
 336                 // attempt to look up their nameserver from /etc/resolv.conf
 337                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 338                 ifstream resolv("/etc/resolv.conf");
 339                 bool found_server = false;
 340
 341                 if (resolv.is_open())
 342                 {
 343                         while (resolv >> nameserver)
 344                         {
 345                                 if ((nameserver == "nameserver") && (!found_server))
 346                                 {
 347                                         resolv >> nameserver;
 348                                         data.Set(nameserver.c_str());
 349                                         found_server = true;
 350                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 351                                 }
 352                         }
 353
 354                         if (!found_server)
 355                         {
 356                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 357                                 data.Set("127.0.0.1");
 358                         }
 359                 }
 360                 else
 361                 {
 362                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 363                         data.Set("127.0.0.1");
 364                 }
 365         }
 366         return true;
 367 }
 368
 369 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 370 {
 371         /* If we already have a servername, and they changed it, we should throw an exception. */
 372         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 373         {
 374                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 375                 /* We don't actually reach this return of course... */
 376                 return false;
 377         }
 378         if (!strchr(data.GetString(),'.'))
 379         {
 380                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 381                 std::string moo = std::string(data.GetString()).append(".");
 382                 data.Set(moo.c_str());
 383         }
 384         return true;
 385 }
 386
 387 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 388 {
 389         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 390         {
 391                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 392                 data.Set(10240);
 393         }
 394         return true;
 395 }
 396
 397 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 398 {
 399         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 400         {
 401                 conf->GetInstance()->Log(DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 402                 data.Set(128);
 403         }
 404         return true;
 405 }
 406
 407 bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
 408 {
 409         std::string dbg = data.GetString();
 410         conf->LogLevel = DEFAULT;
 411
 412         if (dbg == "debug")
 413                 conf->LogLevel = DEBUG;
 414         else if (dbg  == "verbose")
 415                 conf->LogLevel = VERBOSE;
 416         else if (dbg == "default")
 417                 conf->LogLevel = DEFAULT;
 418         else if (dbg == "sparse")
 419                 conf->LogLevel = SPARSE;
 420         else if (dbg == "none")
 421                 conf->LogLevel = NONE;
 422
 423         conf->debugging = (conf->LogLevel == DEBUG);
 424
 425         return true;
 426 }
 427
 428 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 429 {
 430         conf->ReadFile(conf->MOTD, data.GetString());
 431         return true;
 432 }
 433
 434 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 435 {
 436         if (!*data.GetString())
 437                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 438         return true;
 439 }
 440
 441 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 442 {
 443         conf->ReadFile(conf->RULES, data.GetString());
 444         return true;
 445 }
 446
 447 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 448 {
 449         memset(conf->HideModeLists, 0, 256);
 450         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 451                 conf->HideModeLists[*x] = true;
 452         return true;
 453 }
 454
 455 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 456 {
 457         memset(conf->ExemptChanOps, 0, 256);
 458         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 459                 conf->ExemptChanOps[*x] = true;
 460         return true;
 461 }
 462
 463 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 464 {
 465         std::string v = data.GetString();
 466
 467         if (v == "ops")
 468                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 469         else if (v == "all")
 470                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 471         else if (v == "dynamic")
 472                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 473         else
 474                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 475
 476         return true;
 477 }
 478
 479 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 480 {
 481 //      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(); i++)
 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                         conf->Classes.erase(i);
 533                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 534                 }
 535
 536                 /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 537                 c->SetDisabled(true);
 538         }
 539
 540         return true;
 541 }
 542
 543 /* Callback called to process a single <connect> tag
 544  */
 545 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 546 {
 547         ConnectClass c;
 548         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 549         const char* deny = values[1].GetString();
 550         const char* password = values[2].GetString();
 551         int timeout = values[3].GetInteger();
 552         int pingfreq = values[4].GetInteger();
 553         int flood = values[5].GetInteger();
 554         int threshold = values[6].GetInteger();
 555         int sendq = values[7].GetInteger();
 556         int recvq = values[8].GetInteger();
 557         int localmax = values[9].GetInteger();
 558         int globalmax = values[10].GetInteger();
 559         int port = values[11].GetInteger();
 560         const char* name = values[12].GetString();
 561         const char* parent = values[13].GetString();
 562         int maxchans = values[14].GetInteger();
 563         unsigned long limit = values[15].GetInteger();
 564
 565         /*
 566          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 567          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 568          */
 569         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 570         {
 571                 ConnectClass* c = *item;
 572                 if ((*name && (c->GetName() == name)) || (*allow && (c->GetHost() == allow)) || (*deny && (c->GetHost() == deny)))
 573                 {
 574                         /* reenable class so users can be shoved into it :P */
 575                         c->SetDisabled(false);
 576                         conf->GetInstance()->Log(DEFAULT, "Not adding class, it already exists!");
 577                         return true;
 578                 }
 579         }
 580
 581         conf->GetInstance()->Log(DEFAULT,"Adding a connect class!");
 582
 583         if (*parent)
 584         {
 585                 /* Find 'parent' and inherit a new class from it,
 586                  * then overwrite any values that are set here
 587                  */
 588                 ClassVector::iterator item = conf->Classes.begin();
 589                 for (; item != conf->Classes.end(); ++item)
 590                 {
 591                         ConnectClass* c = *item;
 592                         conf->GetInstance()->Log(DEBUG,"Class: %s", c->GetName().c_str());
 593                         if (c->GetName() == parent)
 594                         {
 595                                 ConnectClass* newclass = new ConnectClass(name, c);
 596                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 597                                 conf->Classes.push_back(newclass);
 598                                 break;
 599                         }
 600                 }
 601                 if (item == conf->Classes.end())
 602                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 603         }
 604         else
 605         {
 606                 if (*allow)
 607                 {
 608                         ConnectClass* c = new ConnectClass(name, timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans);
 609                         c->limit = limit;
 610                         c->SetPort(port);
 611                         conf->Classes.push_back(c);
 612                 }
 613                 else
 614                 {
 615                         ConnectClass* c = new ConnectClass(name, deny);
 616                         c->SetPort(port);
 617                         conf->Classes.push_back(c);
 618                 }
 619         }
 620
 621         return true;
 622 }
 623
 624 /* Callback called when there are no more <connect> tags
 625  */
 626 bool DoneConnect(ServerConfig *conf, const char*)
 627 {
 628         conf->GetInstance()->Log(DEFAULT, "Done adding connect classes!");
 629         return true;
 630 }
 631
 632 /* Callback called before processing the first <uline> tag
 633  */
 634 bool InitULine(ServerConfig* conf, const char*)
 635 {
 636         conf->ulines.clear();
 637         return true;
 638 }
 639
 640 /* Callback called to process a single <uline> tag
 641  */
 642 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 643 {
 644         const char* server = values[0].GetString();
 645         const bool silent = values[1].GetBool();
 646         conf->ulines[server] = silent;
 647         return true;
 648 }
 649
 650 /* Callback called when there are no more <uline> tags
 651  */
 652 bool DoneULine(ServerConfig*, const char*)
 653 {
 654         return true;
 655 }
 656
 657 /* Callback called before processing the first <module> tag
 658  */
 659 bool InitModule(ServerConfig* conf, const char*)
 660 {
 661         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 662         new_module_names.clear();
 663         added_modules.clear();
 664         removed_modules.clear();
 665         return true;
 666 }
 667
 668 /* Callback called to process a single <module> tag
 669  */
 670 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 671 {
 672         const char* modname = values[0].GetString();
 673         new_module_names.push_back(modname);
 674         return true;
 675 }
 676
 677 /* Callback called when there are no more <module> tags
 678  */
 679 bool DoneModule(ServerConfig*, const char*)
 680 {
 681         // now create a list of new modules that are due to be loaded
 682         // and a seperate list of modules which are due to be unloaded
 683         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 684         {
 685                 bool added = true;
 686
 687                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 688                 {
 689                         if (*old == *_new)
 690                                 added = false;
 691                 }
 692
 693                 if (added)
 694                         added_modules.push_back(*_new);
 695         }
 696
 697         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 698         {
 699                 bool removed = true;
 700                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 701                 {
 702                         if (*newm == *oldm)
 703                                 removed = false;
 704                 }
 705
 706                 if (removed)
 707                         removed_modules.push_back(*oldm);
 708         }
 709         return true;
 710 }
 711
 712 /* Callback called before processing the first <banlist> tag
 713  */
 714 bool InitMaxBans(ServerConfig* conf, const char*)
 715 {
 716         conf->maxbans.clear();
 717         return true;
 718 }
 719
 720 /* Callback called to process a single <banlist> tag
 721  */
 722 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 723 {
 724         const char* channel = values[0].GetString();
 725         int limit = values[1].GetInteger();
 726         conf->maxbans[channel] = limit;
 727         return true;
 728 }
 729
 730 /* Callback called when there are no more <banlist> tags.
 731  */
 732 bool DoneMaxBans(ServerConfig*, const char*)
 733 {
 734         return true;
 735 }
 736
 737 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 738 {
 739         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 740         if (bail)
 741         {
 742                 /* Unneeded because of the ServerInstance->Log() aboive? */
 743                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 744                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 745         }
 746         else
 747         {
 748                 std::string errors = errormessage;
 749                 std::string::size_type start;
 750                 unsigned int prefixlen;
 751                 start = 0;
 752                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 753                 if (user)
 754                 {
 755                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 756                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 757                         while (start < errors.length())
 758                         {
 759                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 760                                 start += 510 - prefixlen;
 761                         }
 762                 }
 763                 else
 764                 {
 765                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 766                         while (start < errors.length())
 767                         {
 768                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 769                                 start += 360;
 770                         }
 771                 }
 772                 return;
 773         }
 774 }
 775
 776 void ServerConfig::Read(bool bail, User* user, int pass)
 777 {
 778         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 779
 780         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 781         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 782         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 783         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 784         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 785         errstr.clear();
 786
 787         /* These tags MUST occur and must ONLY occur once in the config file */
 788         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 789
 790         /* These tags can occur ONCE or not at all */
 791         InitialConfig Values[] = {
 792                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 793                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 794                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 795                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME, ValidateServerName},
 796                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 797                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 798                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR,  ValidateSID},
 799                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 800                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 801                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 802                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 803                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 804                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 805                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 806                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 807                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 808                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 809                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 810                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 811                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 812                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 813                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 814                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 815                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 816                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 817                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 818                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 819                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 820                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 821                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 822                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 823                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 824                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 825                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 826                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 827                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 828                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 829                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 830                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 831                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 832                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 833                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 834                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 835                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 836                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 837                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 838                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 839                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 840                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 841                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 842                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 843         };
 844
 845         /* These tags can occur multiple times, and therefore they have special code to read them
 846          * which is different to the code for reading the singular tags listed above.
 847          */
 848         MultiConfig MultiValues[] = {
 849
 850                 {"connect",
 851                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 852                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 853                                 "name",         "parent",       "maxchans",     "limit",
 854                                 NULL},
 855                                 {"",            "",             "",             "",             "120",          "",
 856                                  "",            "",             "",             "3",            "3",            "0",
 857                                  "",            "",             "0",        "0",
 858                                  NULL},
 859                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 860                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 861                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 862                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 863                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER},
 864                                 InitConnect, DoConnect, DoneConnect},
 865
 866                 {"uline",
 867                                 {"server",      "silent",       NULL},
 868                                 {"",            "0",            NULL},
 869                                 {DT_HOSTNAME,   DT_BOOLEAN},
 870                                 InitULine,DoULine,DoneULine},
 871
 872                 {"banlist",
 873                                 {"chan",        "limit",        NULL},
 874                                 {"",            "",             NULL},
 875                                 {DT_CHARPTR,    DT_INTEGER},
 876                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 877
 878                 {"module",
 879                                 {"name",        NULL},
 880                                 {"",            NULL},
 881                                 {DT_CHARPTR},
 882                                 InitModule, DoModule, DoneModule},
 883
 884                 {"badip",
 885                                 {"reason",      "ipmask",       NULL},
 886                                 {"No reason",   "",             NULL},
 887                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 888                                 InitXLine, DoZLine, DoneConfItem},
 889
 890                 {"badnick",
 891                                 {"reason",      "nick",         NULL},
 892                                 {"No reason",   "",             NULL},
 893                                 {DT_CHARPTR,    DT_CHARPTR},
 894                                 InitXLine, DoQLine, DoneConfItem},
 895
 896                 {"badhost",
 897                                 {"reason",      "host",         NULL},
 898                                 {"No reason",   "",             NULL},
 899                                 {DT_CHARPTR,    DT_CHARPTR},
 900                                 InitXLine, DoKLine, DoneConfItem},
 901
 902                 {"exception",
 903                                 {"reason",      "host",         NULL},
 904                                 {"No reason",   "",             NULL},
 905                                 {DT_CHARPTR,    DT_CHARPTR},
 906                                 InitXLine, DoELine, DoneELine},
 907
 908                 {"type",
 909                                 {"name",        "classes",      NULL},
 910                                 {"",            "",             NULL},
 911                                 {DT_NOSPACES,   DT_CHARPTR},
 912                                 InitTypes, DoType, DoneClassesAndTypes},
 913
 914                 {"class",
 915                                 {"name",        "commands",     NULL},
 916                                 {"",            "",             NULL},
 917                                 {DT_NOSPACES,   DT_CHARPTR},
 918                                 InitClasses, DoClass, DoneClassesAndTypes},
 919
 920                 {NULL,
 921                                 {NULL},
 922                                 {NULL},
 923                                 {0},
 924                                 NULL, NULL, NULL}
 925         };
 926
 927         /* Load and parse the config file, if there are any errors then explode */
 928
 929         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 930         newconfig.clear();
 931
 932         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr, pass))
 933         {
 934                 /* If we succeeded, set the ircd config to the new one */
 935                 this->config_data = newconfig;
 936         }
 937         else
 938         {
 939                 ReportConfigError(errstr.str(), bail, user);
 940                 return;
 941         }
 942
 943         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 944         try
 945         {
 946                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 947                  */
 948                 for (int Index = 0; Values[Index].tag; Index++)
 949                 {
 950                         char item[MAXBUF];
 951                         int dt = Values[Index].datatype;
 952                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 953                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 954                         dt &= ~DT_ALLOW_NEWLINE;
 955                         dt &= ~DT_ALLOW_WILD;
 956
 957                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 958                         ValueItem vi(item);
 959
 960                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 961                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 962
 963                         switch (Values[Index].datatype)
 964                         {
 965                                 case DT_NOSPACES:
 966                                 {
 967                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 968                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 969                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 970                                 }
 971                                 break;
 972                                 case DT_HOSTNAME:
 973                                 {
 974                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 975                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 976                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 977                                 }
 978                                 break;
 979                                 case DT_IPADDRESS:
 980                                 {
 981                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 982                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
 983                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 984                                 }
 985                                 break;
 986                                 case DT_CHANNEL:
 987                                 {
 988                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 989                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
 990                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
 991                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 992                                 }
 993                                 break;
 994                                 case DT_CHARPTR:
 995                                 {
 996                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 997                                         /* Make sure we also copy the null terminator */
 998                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 999                                 }
1000                                 break;
1001                                 case DT_INTEGER:
1002                                 {
1003                                         int val = vi.GetInteger();
1004                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1005                                         vci->Set(&val, sizeof(int));
1006                                 }
1007                                 break;
1008                                 case DT_BOOLEAN:
1009                                 {
1010                                         bool val = vi.GetBool();
1011                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1012                                         vcb->Set(&val, sizeof(bool));
1013                                 }
1014                                 break;
1015                                 default:
1016                                         /* You don't want to know what happens if someones bad code sends us here. */
1017                                 break;
1018                         }
1019                         /* We're done with this now */
1020                         delete Values[Index].val;
1021                 }
1022
1023                 /* Read the multiple-tag items (class tags, connect tags, etc)
1024                  * and call the callbacks associated with them. We have three
1025                  * callbacks for these, a 'start', 'item' and 'end' callback.
1026                  */
1027                 for (int Index = 0; MultiValues[Index].tag; Index++)
1028                 {
1029                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1030
1031                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1032
1033                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1034                         {
1035                                 ValueList vl;
1036                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1037                                 {
1038                                         int dt = MultiValues[Index].datatype[valuenum];
1039                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1040                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1041                                         dt &= ~DT_ALLOW_NEWLINE;
1042                                         dt &= ~DT_ALLOW_WILD;
1043
1044                                         switch (dt)
1045                                         {
1046                                                 case DT_NOSPACES:
1047                                                 {
1048                                                         char item[MAXBUF];
1049                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1050                                                                 vl.push_back(ValueItem(item));
1051                                                         else
1052                                                                 vl.push_back(ValueItem(""));
1053                                                         this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1054                                                 }
1055                                                 break;
1056                                                 case DT_HOSTNAME:
1057                                                 {
1058                                                         char item[MAXBUF];
1059                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1060                                                                 vl.push_back(ValueItem(item));
1061                                                         else
1062                                                                 vl.push_back(ValueItem(""));
1063                                                         this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1064                                                 }
1065                                                 break;
1066                                                 case DT_IPADDRESS:
1067                                                 {
1068                                                         char item[MAXBUF];
1069                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1070                                                                 vl.push_back(ValueItem(item));
1071                                                         else
1072                                                                 vl.push_back(ValueItem(""));
1073                                                         this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1074                                                 }
1075                                                 break;
1076                                                 case DT_CHANNEL:
1077                                                 {
1078                                                         char item[MAXBUF];
1079                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1080                                                                 vl.push_back(ValueItem(item));
1081                                                         else
1082                                                                 vl.push_back(ValueItem(""));
1083                                                         if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1084                                                                 throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1085                                                 }
1086                                                 break;
1087                                                 case DT_CHARPTR:
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                                                 }
1095                                                 break;
1096                                                 case DT_INTEGER:
1097                                                 {
1098                                                         int item = 0;
1099                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1100                                                                 vl.push_back(ValueItem(item));
1101                                                         else
1102                                                                 vl.push_back(ValueItem(0));
1103                                                 }
1104                                                 break;
1105                                                 case DT_BOOLEAN:
1106                                                 {
1107                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1108                                                         vl.push_back(ValueItem(item));
1109                                                 }
1110                                                 break;
1111                                                 default:
1112                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
1113                                                 break;
1114                                         }
1115                                 }
1116                                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1117                         }
1118                                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1119                 }
1120
1121         }
1122
1123         catch (CoreException &ce)
1124         {
1125                 ReportConfigError(ce.GetReason(), bail, user);
1126                 return;
1127         }
1128
1129         /** XXX END PASS **/
1130         ServerInstance->Log(DEBUG,"End config pass %d", pass);
1131
1132         if (pass == 0)
1133         {
1134                 /* FIRST PASS: Set up commands, load modules.
1135                  * We cannot gaurantee that all config is correct
1136                  * at this point
1137                  */
1138
1139                 if (pass == 0)
1140                 {
1141                         if (isatty(0) && isatty(1) && isatty(2))
1142                                 printf("Downloading configuration ");
1143
1144                         TotalDownloaded = 0;
1145                         FileErrors = 0;
1146                 }
1147
1148                 if (!ServerInstance->Res)
1149                         ServerInstance->Res = new DNS(ServerInstance);
1150                 /** Note: This is safe, the method checks for user == NULL */
1151                 ServerInstance->Parser->SetupCommandTable(user);
1152                 ServerInstance->Modules->LoadAll();
1153         }
1154         else
1155         {
1156                 /* SECOND PASS: Call modules to read configs, finalize
1157                  * stuff. Check that we have at least the required number
1158                  * of whichever items. This is no longer done first.
1159                  */
1160                 ConfigReader* n = new ConfigReader(ServerInstance);
1161                 FOREACH_MOD(I_OnReadConfig,OnReadConfig(this, n));
1162
1163                 for (int Index = 0; Once[Index]; Index++)
1164                         if (!CheckOnce(Once[Index]))
1165                                 return;
1166         }
1167
1168         // write once here, to try it out and make sure its ok
1169         ServerInstance->WritePID(this->PID);
1170
1171         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1172
1173         /* If we're rehashing, let's load any new modules, and unload old ones
1174          */
1175         if (!bail)
1176         {
1177                 int found_ports = 0;
1178                 FailedPortList pl;
1179                 ServerInstance->BindPorts(false, found_ports, pl);
1180
1181                 if (pl.size() && user)
1182                 {
1183                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1184                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1185                         int j = 1;
1186                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1187                         {
1188                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1189                         }
1190                 }
1191         }
1192
1193         if (!removed_modules.empty())
1194         {
1195                 for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1196                 {
1197                         if (ServerInstance->Modules->Unload(removing->c_str()))
1198                         {
1199                                 ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
1200                                 if (user)
1201                                         user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1202                                 rem++;
1203                         }
1204                         else
1205                         {
1206                                 if (user)
1207                                         user->WriteServ("972 %s %s :%s",user->nick, removing->c_str(), ServerInstance->Modules->LastError().c_str());
1208                         }
1209                 }
1210         }
1211
1212         if (!added_modules.empty())
1213         {
1214                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1215                 {
1216                         /* Skip over modules that are aleready loaded for some reason */
1217                         if (ServerInstance->Modules->Find(*adding))
1218                                 continue;
1219
1220                         if (bail)
1221                                 printf_c("[\033[1;32m*\033[0m] Loading module:\t\033[1;32m%s\033[0m\n", adding->c_str());
1222
1223                         if (ServerInstance->Modules->Load(adding->c_str()))
1224                         {
1225                                 ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
1226                                 if (user)
1227                                         user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1228
1229                                 add++;
1230                         }
1231                         else
1232                         {
1233                                 if (user)
1234                                         user->WriteServ("974 %s %s :%s",user->nick, adding->c_str(), ServerInstance->Modules->LastError().c_str());
1235
1236                                 if (bail)
1237                                 {
1238                                         printf_c("\n[\033[1;31m*\033[0m] %s\n\n", ServerInstance->Modules->LastError().c_str());
1239                                         ServerInstance->Exit(EXIT_STATUS_MODULE);
1240                                 }
1241                         }
1242                 }
1243         }
1244
1245         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());
1246
1247         if (user)
1248                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1249         else
1250                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
1251 }
1252
1253 /* XXX: This can and will block! */
1254 void ServerConfig::DoDownloads()
1255 {
1256         ServerInstance->Log(DEBUG,"In DoDownloads()");
1257
1258         /* Reads all local files into the IncludedFiles map, then initiates sockets for the remote ones */
1259         for (std::map<std::string, std::istream*>::iterator x = IncludedFiles.begin(); x != IncludedFiles.end(); ++x)
1260         {
1261                 if (CompletedFiles.find(x->first) != CompletedFiles.end())
1262                         continue;
1263
1264                 ServerInstance->Log(DEBUG,"StartDownloads File: %s", x->first.c_str());
1265
1266                 std::string file = x->first;
1267                 if ((file[0] == '/') || (file.substr(0, 7) == "file://"))
1268                 {
1269                         /* For file:// schema files, we use std::ifstream which is a derivative of std::istream.
1270                          * For all other file schemas, we use a std::stringstream.
1271                          */
1272
1273                         /* Add our own ifstream */
1274                         std::ifstream* conf = new std::ifstream(file.c_str());
1275                         if (!conf->fail())
1276                         {
1277                                 ServerInstance->Log(DEBUG,"file:// schema file %s loaded OK", file.c_str());
1278                                 delete x->second;
1279                                 x->second = conf;
1280                         }
1281                         else
1282                         {
1283                                 delete x->second;
1284                                 x->second = NULL;
1285                                 FileErrors++;
1286                         }
1287                         TotalDownloaded++;
1288                 }
1289                 else
1290                 {
1291                         /* Modules handle these */
1292                         ServerInstance->Log(DEBUG,"Module-handled schema for %s", x->first.c_str());
1293
1294                         /* For now, error it */
1295                         int MOD_RESULT = 0;
1296                         FOREACH_RESULT(I_OnDownloadFile, OnDownloadFile(file, x->second));
1297                         if (MOD_RESULT == 0)
1298                         {
1299                                 /* No module claimed this file */
1300                                 TotalDownloaded++;
1301                                 FileErrors++;
1302                                 delete x->second;
1303                                 x->second = NULL;
1304                         }
1305                         else
1306                         {
1307                                 /* Search new file here for more includes to parse */
1308                         }
1309                 }
1310                 CompletedFiles[x->first] = true;
1311         }
1312 }
1313
1314 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream, int pass, std::istream *scan_for_includes_only)
1315 {
1316         std::string line;
1317         std::istream* conf = NULL;
1318         char ch;
1319         long linenumber;
1320         bool in_tag;
1321         bool in_quote;
1322         bool in_comment;
1323         int character_count = 0;
1324
1325         linenumber = 1;
1326         in_tag = false;
1327         in_quote = false;
1328         in_comment = false;
1329
1330         if (scan_for_includes_only)
1331         {
1332                 ServerInstance->Log(DEBUG,"scan_for_includes_only set");
1333                 conf = scan_for_includes_only;
1334         }
1335
1336         if (std::string(filename) == CONFIG_FILE)
1337         {
1338                 if (!scan_for_includes_only)
1339                 {
1340                         conf = new std::ifstream(filename);
1341                         if (conf->fail())
1342                         {
1343                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1344                                 return false;
1345                         }
1346                 }
1347         }
1348         else
1349         {
1350                 std::map<std::string, std::istream*>::iterator x = IncludedFiles.find(filename);
1351                 if (x == IncludedFiles.end())
1352                 {
1353                         if (pass == 0)
1354                         {
1355                                 ServerInstance->Log(DEBUG,"Push include file %s onto map", filename);
1356                                 /* First pass, we insert the file into a map, and just return true */
1357                                 IncludedFiles.insert(std::make_pair(filename,new std::stringstream));
1358                                 return true;
1359                         }
1360                         else
1361                         {
1362                                 /* Second pass, look for the file in the map */
1363                                 ServerInstance->Log(DEBUG,"We are in the second pass, and %s is not in the map!", filename);
1364                                 errorstream << "File " << filename << " could not be opened." << std::endl;
1365                                 return false;
1366                         }
1367                 }
1368                 else
1369                 {
1370                         if (!scan_for_includes_only)
1371                         {
1372                                 if (x->second)
1373                                         conf = IncludedFiles.find(filename)->second;
1374                                 else
1375                                 {
1376                                         errorstream << "File " << filename << " could not be opened." << std::endl;
1377                                         return false;
1378                                 }
1379                         }
1380                 }
1381         }
1382
1383         ServerInstance->Log(DEBUG,"Start to read conf %s %08lx", filename, conf);
1384
1385         /* Start reading characters... */
1386         while (conf->get(ch))
1387         {
1388
1389                 /*
1390                  * Fix for moronic windows issue spotted by Adremelech.
1391                  * Some windows editors save text files as utf-16, which is
1392                  * a total pain in the ass to parse. Users should save in the
1393                  * right config format! If we ever see a file where the first
1394                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1395                  * this is most likely a utf-16 file. Bail out and insult user.
1396                  */
1397                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1398                 {
1399                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1400                         if (!scan_for_includes_only)
1401                                 delete conf;
1402                         return false;
1403                 }
1404
1405                 /*
1406                  * Here we try and get individual tags on separate lines,
1407                  * this would be so easy if we just made people format
1408                  * their config files like that, but they don't so...
1409                  * We check for a '<' and then know the line is over when
1410                  * we get a '>' not inside quotes. If we find two '<' and
1411                  * no '>' then die with an error.
1412                  */
1413
1414                 if ((ch == '#') && !in_quote)
1415                         in_comment = true;
1416
1417                 switch (ch)
1418                 {
1419                         case '\n':
1420                                 if (in_quote)
1421                                         line += '\n';
1422                                 linenumber++;
1423                         case '\r':
1424                                 if (!in_quote)
1425                                         in_comment = false;
1426                         case '\0':
1427                                 continue;
1428                         case '\t':
1429                                 ch = ' ';
1430                 }
1431
1432                 if(in_comment)
1433                         continue;
1434
1435                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1436                  * Note that this WILL NOT usually allow insertion of newlines,
1437                  * because a newline is two characters long. Use it primarily to
1438                  * insert the " symbol.
1439                  *
1440                  * Note that this also involves a further check when parsing the line,
1441                  * which can be found below.
1442                  */
1443                 if ((ch == '\\') && (in_quote) && (in_tag))
1444                 {
1445                         line += ch;
1446                         char real_character;
1447                         if (conf->get(real_character))
1448                         {
1449                                 if (real_character == 'n')
1450                                         real_character = '\n';
1451                                 line += real_character;
1452                                 continue;
1453                         }
1454                         else
1455                         {
1456                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1457                                 if (!scan_for_includes_only)
1458                                         delete conf;
1459                                 return false;
1460                         }
1461                 }
1462
1463                 if (ch != '\r')
1464                         line += ch;
1465
1466                 if (ch == '<')
1467                 {
1468                         if (in_tag)
1469                         {
1470                                 if (!in_quote)
1471                                 {
1472                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1473                                         if (!scan_for_includes_only)
1474                                                 delete conf;
1475                                         return false;
1476                                 }
1477                         }
1478                         else
1479                         {
1480                                 if (in_quote)
1481                                 {
1482                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1483                                         if (!scan_for_includes_only)
1484                                                 delete conf;
1485                                         return false;
1486                                 }
1487                                 else
1488                                 {
1489                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1490                                         in_tag = true;
1491                                 }
1492                         }
1493                 }
1494                 else if (ch == '"')
1495                 {
1496                         if (in_tag)
1497                         {
1498                                 if (in_quote)
1499                                 {
1500                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1501                                         in_quote = false;
1502                                 }
1503                                 else
1504                                 {
1505                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1506                                         in_quote = true;
1507                                 }
1508                         }
1509                         else
1510                         {
1511                                 if (in_quote)
1512                                 {
1513                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1514                                 }
1515                                 else
1516                                 {
1517                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1518                                 }
1519                         }
1520                 }
1521                 else if (ch == '>')
1522                 {
1523                         if (!in_quote)
1524                         {
1525                                 if (in_tag)
1526                                 {
1527                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1528                                         in_tag = false;
1529
1530                                         /*
1531                                          * If this finds an <include> then ParseLine can simply call
1532                                          * LoadConf() and load the included config into the same ConfigDataHash
1533                                          */
1534
1535                                         if (!this->ParseLine(target, line, linenumber, errorstream, pass, scan_for_includes_only))
1536                                         {
1537                                                 if (!scan_for_includes_only)
1538                                                         delete conf;
1539                                                 return false;
1540                                         }
1541
1542                                         line.clear();
1543                                 }
1544                                 else
1545                                 {
1546                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1547                                         if (!scan_for_includes_only)
1548                                                 delete conf;
1549                                         return false;
1550                                 }
1551                         }
1552                 }
1553         }
1554
1555         /* 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 */
1556         if (in_comment || in_quote)
1557         {
1558                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1559                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1560         }
1561
1562         if (!scan_for_includes_only)
1563                 delete conf;
1564         return true;
1565 }
1566
1567 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream, int pass, std::istream* scan_for_includs_only)
1568 {
1569         return this->LoadConf(target, filename.c_str(), errorstream, pass, scan_for_includs_only);
1570 }
1571
1572 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
1573 {
1574         std::string tagname;
1575         std::string current_key;
1576         std::string current_value;
1577         KeyValList results;
1578         bool got_name;
1579         bool got_key;
1580         bool in_quote;
1581
1582         got_name = got_key = in_quote = false;
1583
1584         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1585         {
1586                 if (!got_name)
1587                 {
1588                         /* We don't know the tag name yet. */
1589
1590                         if (*c != ' ')
1591                         {
1592                                 if (*c != '<')
1593                                 {
1594                                         tagname += *c;
1595                                 }
1596                         }
1597                         else
1598                         {
1599                                 /* We got to a space, we should have the tagname now. */
1600                                 if(tagname.length())
1601                                 {
1602                                         got_name = true;
1603                                 }
1604                         }
1605                 }
1606                 else
1607                 {
1608                         /* We have the tag name */
1609                         if (!got_key)
1610                         {
1611                                 /* We're still reading the key name */
1612                                 if (*c != '=')
1613                                 {
1614                                         if (*c != ' ')
1615                                         {
1616                                                 current_key += *c;
1617                                         }
1618                                 }
1619                                 else
1620                                 {
1621                                         /* We got an '=', end of the key name. */
1622                                         got_key = true;
1623                                 }
1624                         }
1625                         else
1626                         {
1627                                 /* We have the key name, now we're looking for quotes and the value */
1628
1629                                 /* Correctly handle escaped characters here.
1630                                  * See the XXX'ed section above.
1631                                  */
1632                                 if ((*c == '\\') && (in_quote))
1633                                 {
1634                                         c++;
1635                                         if (*c == 'n')
1636                                                 current_value += '\n';
1637                                         else
1638                                                 current_value += *c;
1639                                         continue;
1640                                 }
1641                                 else if ((*c == '\n') && (in_quote))
1642                                 {
1643                                         /* Got a 'real' \n, treat it as part of the value */
1644                                         current_value += '\n';
1645                                         linenumber++;
1646                                         continue;
1647                                 }
1648                                 else if ((*c == '\r') && (in_quote))
1649                                         /* Got a \r, drop it */
1650                                         continue;
1651
1652                                 if (*c == '"')
1653                                 {
1654                                         if (!in_quote)
1655                                         {
1656                                                 /* We're not already in a quote. */
1657                                                 in_quote = true;
1658                                         }
1659                                         else
1660                                         {
1661                                                 /* Leaving quotes, we have the value */
1662                                                 if (!scan_for_includes_only)
1663                                                         results.push_back(KeyVal(current_key, current_value));
1664
1665                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1666
1667                                                 in_quote = false;
1668                                                 got_key = false;
1669
1670                                                 if ((tagname == "include") && (current_key == "file"))
1671                                                 {
1672                                                         if (!this->DoInclude(target, current_value, errorstream, pass, scan_for_includes_only))
1673                                                                 return false;
1674                                                 }
1675
1676                                                 current_key.clear();
1677                                                 current_value.clear();
1678                                         }
1679                                 }
1680                                 else
1681                                 {
1682                                         if (in_quote)
1683                                         {
1684                                                 current_value += *c;
1685                                         }
1686                                 }
1687                         }
1688                 }
1689         }
1690
1691         /* Finished parsing the tag, add it to the config hash */
1692         if (!scan_for_includes_only)
1693                 target.insert(std::pair<std::string, KeyValList > (tagname, results));
1694
1695         return true;
1696 }
1697
1698 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream, int pass, std::istream* scan_for_includes_only)
1699 {
1700         std::string confpath;
1701         std::string newfile;
1702         std::string::size_type pos;
1703
1704         confpath = ServerInstance->ConfigFileName;
1705         newfile = file;
1706
1707         std::replace(newfile.begin(),newfile.end(),'\\','/');
1708         std::replace(confpath.begin(),confpath.end(),'\\','/');
1709
1710         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1711         {
1712                 if((pos = confpath.rfind("/")) != std::string::npos)
1713                 {
1714                         /* Leaves us with just the path */
1715                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1716                 }
1717                 else
1718                 {
1719                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1720                         return false;
1721                 }
1722         }
1723
1724         return LoadConf(target, newfile, errorstream, pass, scan_for_includes_only);
1725 }
1726
1727 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1728 {
1729         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1730 }
1731
1732 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1733 {
1734         std::string value;
1735         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1736         strlcpy(result, value.c_str(), length);
1737         return r;
1738 }
1739
1740 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1741 {
1742         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1743 }
1744
1745 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)
1746 {
1747         ConfigDataHash::size_type pos = index;
1748         if (pos < target.count(tag))
1749         {
1750                 ConfigDataHash::iterator iter = target.find(tag);
1751
1752                 for(int i = 0; i < index; i++)
1753                         iter++;
1754
1755                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1756                 {
1757                         if(j->first == var)
1758                         {
1759                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1760                                 {
1761                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1762                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1763                                                 if (*n == '\n')
1764                                                         *n = ' ';
1765                                 }
1766                                 else
1767                                 {
1768                                         result = j->second;
1769                                         return true;
1770                                 }
1771                         }
1772                 }
1773                 if (!default_value.empty())
1774                 {
1775                         result = default_value;
1776                         return true;
1777                 }
1778         }
1779         else if(pos == 0)
1780         {
1781                 if (!default_value.empty())
1782                 {
1783                         result = default_value;
1784                         return true;
1785                 }
1786         }
1787         return false;
1788 }
1789
1790 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1791 {
1792         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1793 }
1794
1795 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1796 {
1797         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1798 }
1799
1800 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1801 {
1802         return ConfValueInteger(target, tag, var, "", index, result);
1803 }
1804
1805 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1806 {
1807         std::string value;
1808         std::istringstream stream;
1809         bool r = ConfValue(target, tag, var, default_value, index, value);
1810         stream.str(value);
1811         if(!(stream >> result))
1812                 return false;
1813         else
1814         {
1815                 if (!value.empty())
1816                 {
1817                         if (value.substr(0,2) == "0x")
1818                         {
1819                                 char* endptr;
1820
1821                                 value.erase(0,2);
1822                                 result = strtol(value.c_str(), &endptr, 16);
1823
1824                                 /* No digits found */
1825                                 if (endptr == value.c_str())
1826                                         return false;
1827                         }
1828                         else
1829                         {
1830                                 char denominator = *(value.end() - 1);
1831                                 switch (toupper(denominator))
1832                                 {
1833                                         case 'K':
1834                                                 /* Kilobytes -> bytes */
1835                                                 result = result * 1024;
1836                                         break;
1837                                         case 'M':
1838                                                 /* Megabytes -> bytes */
1839                                                 result = result * 1024 * 1024;
1840                                         break;
1841                                         case 'G':
1842                                                 /* Gigabytes -> bytes */
1843                                                 result = result * 1024 * 1024 * 1024;
1844                                         break;
1845                                 }
1846                         }
1847                 }
1848         }
1849         return r;
1850 }
1851
1852
1853 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1854 {
1855         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1856 }
1857
1858 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1859 {
1860         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1861 }
1862
1863 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1864 {
1865         return ConfValueBool(target, tag, var, "", index);
1866 }
1867
1868 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1869 {
1870         std::string result;
1871         if(!ConfValue(target, tag, var, default_value, index, result))
1872                 return false;
1873
1874         return ((result == "yes") || (result == "true") || (result == "1"));
1875 }
1876
1877 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1878 {
1879         return target.count(tag);
1880 }
1881
1882 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1883 {
1884         return target.count(tag);
1885 }
1886
1887 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1888 {
1889         return ConfVarEnum(target, std::string(tag), index);
1890 }
1891
1892 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1893 {
1894         ConfigDataHash::size_type pos = index;
1895
1896         if (pos < target.count(tag))
1897         {
1898                 ConfigDataHash::const_iterator iter = target.find(tag);
1899
1900                 for(int i = 0; i < index; i++)
1901                         iter++;
1902
1903                 return iter->second.size();
1904         }
1905
1906         return 0;
1907 }
1908
1909 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1910  */
1911 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1912 {
1913         if (!fname || !*fname)
1914                 return false;
1915
1916         FILE* file = NULL;
1917         char linebuf[MAXBUF];
1918
1919         F.clear();
1920
1921         if ((*fname != '/') && (*fname != '\\'))
1922         {
1923                 std::string::size_type pos;
1924                 std::string confpath = ServerInstance->ConfigFileName;
1925                 std::string newfile = fname;
1926
1927                 if ((pos = confpath.rfind("/")) != std::string::npos)
1928                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1929                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1930                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1931
1932                 if (!FileExists(newfile.c_str()))
1933                         return false;
1934                 file =  fopen(newfile.c_str(), "r");
1935         }
1936         else
1937         {
1938                 if (!FileExists(fname))
1939                         return false;
1940                 file =  fopen(fname, "r");
1941         }
1942
1943         if (file)
1944         {
1945                 while (!feof(file))
1946                 {
1947                         if (fgets(linebuf, sizeof(linebuf), file))
1948                                 linebuf[strlen(linebuf)-1] = 0;
1949                         else
1950                                 *linebuf = 0;
1951
1952                         if (!feof(file))
1953                         {
1954                                 F.push_back(*linebuf ? linebuf : " ");
1955                         }
1956                 }
1957
1958                 fclose(file);
1959         }
1960         else
1961                 return false;
1962
1963         return true;
1964 }
1965
1966 bool ServerConfig::FileExists(const char* file)
1967 {
1968         struct stat sb;
1969         if (stat(file, &sb) == -1)
1970                 return false;
1971
1972         if ((sb.st_mode & S_IFDIR) > 0)
1973                 return false;
1974
1975         FILE *input;
1976         if ((input = fopen (file, "r")) == NULL)
1977                 return false;
1978         else
1979         {
1980                 fclose(input);
1981                 return true;
1982         }
1983 }
1984
1985 char* ServerConfig::CleanFilename(char* name)
1986 {
1987         char* p = name + strlen(name);
1988         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1989         return (p != name ? ++p : p);
1990 }
1991
1992
1993 bool ServerConfig::DirValid(const char* dirandfile)
1994 {
1995 #ifdef WINDOWS
1996         return true;
1997 #endif
1998
1999         char work[1024];
2000         char buffer[1024];
2001         char otherdir[1024];
2002         int p;
2003
2004         strlcpy(work, dirandfile, 1024);
2005         p = strlen(work);
2006
2007         // we just want the dir
2008         while (*work)
2009         {
2010                 if (work[p] == '/')
2011                 {
2012                         work[p] = '\0';
2013                         break;
2014                 }
2015
2016                 work[p--] = '\0';
2017         }
2018
2019         // Get the current working directory
2020         if (getcwd(buffer, 1024 ) == NULL )
2021                 return false;
2022
2023         if (chdir(work) == -1)
2024                 return false;
2025
2026         if (getcwd(otherdir, 1024 ) == NULL )
2027                 return false;
2028
2029         if (chdir(buffer) == -1)
2030                 return false;
2031
2032         size_t t = strlen(work);
2033
2034         if (strlen(otherdir) >= t)
2035         {
2036                 otherdir[t] = '\0';
2037                 if (!strcmp(otherdir,work))
2038                 {
2039                         return true;
2040                 }
2041
2042                 return false;
2043         }
2044         else
2045         {
2046                 return false;
2047         }
2048 }
2049
2050 std::string ServerConfig::GetFullProgDir()
2051 {
2052         char buffer[PATH_MAX+1];
2053 #ifdef WINDOWS
2054         /* Windows has specific api calls to get the exe path that never fail.
2055          * For once, windows has something of use, compared to the POSIX code
2056          * for this, this is positively neato.
2057          */
2058         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2059         {
2060                 std::string fullpath = buffer;
2061                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2062                 return std::string(fullpath, 0, n);
2063         }
2064 #else
2065         // Get the current working directory
2066         if (getcwd(buffer, PATH_MAX))
2067         {
2068                 std::string remainder = this->argv[0];
2069
2070                 /* Does argv[0] start with /? its a full path, use it */
2071                 if (remainder[0] == '/')
2072                 {
2073                         std::string::size_type n = remainder.rfind("/inspircd");
2074                         return std::string(remainder, 0, n);
2075                 }
2076
2077                 std::string fullpath = std::string(buffer) + "/" + remainder;
2078                 std::string::size_type n = fullpath.rfind("/inspircd");
2079                 return std::string(fullpath, 0, n);
2080         }
2081 #endif
2082         return "/";
2083 }
2084
2085 InspIRCd* ServerConfig::GetInstance()
2086 {
2087         return ServerInstance;
2088 }
2089
2090 std::string ServerConfig::GetSID()
2091 {
2092         return sid;
2093 }
2094
2095 ValueItem::ValueItem(int value)
2096 {
2097         std::stringstream n;
2098         n << value;
2099         v = n.str();
2100 }
2101
2102 ValueItem::ValueItem(bool value)
2103 {
2104         std::stringstream n;
2105         n << value;
2106         v = n.str();
2107 }
2108
2109 ValueItem::ValueItem(char* value)
2110 {
2111         v = value;
2112 }
2113
2114 void ValueItem::Set(char* value)
2115 {
2116         v = value;
2117 }
2118
2119 void ValueItem::Set(const char* value)
2120 {
2121         v = value;
2122 }
2123
2124 void ValueItem::Set(int value)
2125 {
2126         std::stringstream n;
2127         n << value;
2128         v = n.str();
2129 }
2130
2131 int ValueItem::GetInteger()
2132 {
2133         if (v.empty())
2134                 return 0;
2135         return atoi(v.c_str());
2136 }
2137
2138 char* ValueItem::GetString()
2139 {
2140         return (char*)v.c_str();
2141 }
2142
2143 bool ValueItem::GetBool()
2144 {
2145         return (GetInteger() || v == "yes" || v == "true");
2146 }
2147
2148
2149
2150
2151 /*
2152  * XXX should this be in a class? -- w00t
2153  */
2154 bool InitTypes(ServerConfig* conf, const char*)
2155 {
2156         if (conf->opertypes.size())
2157         {
2158                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2159                 {
2160                         if (n->second)
2161                                 delete[] n->second;
2162                 }
2163         }
2164
2165         conf->opertypes.clear();
2166         return true;
2167 }
2168
2169 /*
2170  * XXX should this be in a class? -- w00t
2171  */
2172 bool InitClasses(ServerConfig* conf, const char*)
2173 {
2174         if (conf->operclass.size())
2175         {
2176                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2177                 {
2178                         if (n->second)
2179                                 delete[] n->second;
2180                 }
2181         }
2182
2183         conf->operclass.clear();
2184         return true;
2185 }
2186
2187 /*
2188  * XXX should this be in a class? -- w00t
2189  */
2190 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2191 {
2192         const char* TypeName = values[0].GetString();
2193         const char* Classes = values[1].GetString();
2194
2195         conf->opertypes[TypeName] = strnewdup(Classes);
2196         return true;
2197 }
2198
2199 /*
2200  * XXX should this be in a class? -- w00t
2201  */
2202 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2203 {
2204         const char* ClassName = values[0].GetString();
2205         const char* CommandList = values[1].GetString();
2206
2207         conf->operclass[ClassName] = strnewdup(CommandList);
2208         return true;
2209 }
2210
2211 /*
2212  * XXX should this be in a class? -- w00t
2213  */
2214 bool DoneClassesAndTypes(ServerConfig*, const char*)
2215 {
2216         return true;
2217 }
2218
2219
2220
2221 bool InitXLine(ServerConfig* conf, const char* tag)
2222 {
2223         return true;
2224 }
2225
2226 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2227 {
2228         const char* reason = values[0].GetString();
2229         const char* ipmask = values[1].GetString();
2230
2231         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2232         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2233                 delete zl;
2234
2235         return true;
2236 }
2237
2238 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2239 {
2240         const char* reason = values[0].GetString();
2241         const char* nick = values[1].GetString();
2242
2243         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2244         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2245                 delete ql;
2246
2247         return true;
2248 }
2249
2250 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2251 {
2252         const char* reason = values[0].GetString();
2253         const char* host = values[1].GetString();
2254
2255         XLineManager* xlm = conf->GetInstance()->XLines;
2256
2257         IdentHostPair ih = xlm->IdentSplit(host);
2258
2259         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2260         if (!xlm->AddLine(kl, NULL))
2261                 delete kl;
2262         return true;
2263 }
2264
2265 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2266 {
2267         const char* reason = values[0].GetString();
2268         const char* host = values[1].GetString();
2269
2270         XLineManager* xlm = conf->GetInstance()->XLines;
2271
2272         IdentHostPair ih = xlm->IdentSplit(host);
2273
2274         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2275         if (!xlm->AddLine(el, NULL))
2276                 delete el;
2277         return true;
2278 }
2279
2280 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2281 bool DoneELine(ServerConfig* conf, const char* tag)
2282 {
2283         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->local_users.begin(); u2 != conf->GetInstance()->local_users.end(); u2++)
2284         {
2285                 User* u = (User*)(*u2);
2286                 u->exempt = false;
2287         }
2288
2289         conf->GetInstance()->XLines->CheckELines();
2290         return true;
2291 }
2292