src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = MAXCLIENTS;
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         LogLevel = DEFAULT;
  57         maxbans.clear();
  58         DNSServerValidator = &ValidateDnsServer;
  59 }
  60
  61 void ServerConfig::ClearStack()
  62 {
  63         include_stack.clear();
  64 }
  65
  66 Module* ServerConfig::GetIOHook(int port)
  67 {
  68         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  69         return (x != IOHookModule.end() ? x->second : NULL);
  70 }
  71
  72 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  73 {
  74         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  75         return (x != SocketIOHookModule.end() ? x->second : NULL);
  76 }
  77
  78 bool ServerConfig::AddIOHook(int port, Module* iomod)
  79 {
  80         if (!GetIOHook(port))
  81         {
  82                 IOHookModule[port] = iomod;
  83                 return true;
  84         }
  85         else
  86         {
  87                 throw ModuleException("Port already hooked by another module");
  88                 return false;
  89         }
  90 }
  91
  92 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  93 {
  94         if (!GetIOHook(is))
  95         {
  96                 SocketIOHookModule[is] = iomod;
  97                 is->IsIOHooked = true;
  98                 return true;
  99         }
 100         else
 101         {
 102                 throw ModuleException("BufferedSocket derived class already hooked by another module");
 103                 return false;
 104         }
 105 }
 106
 107 bool ServerConfig::DelIOHook(int port)
 108 {
 109         std::map<int,Module*>::iterator x = IOHookModule.find(port);
 110         if (x != IOHookModule.end())
 111         {
 112                 IOHookModule.erase(x);
 113                 return true;
 114         }
 115         return false;
 116 }
 117
 118 bool ServerConfig::DelIOHook(BufferedSocket* is)
 119 {
 120         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 121         if (x != SocketIOHookModule.end())
 122         {
 123                 SocketIOHookModule.erase(x);
 124                 return true;
 125         }
 126         return false;
 127 }
 128
 129 void ServerConfig::Update005()
 130 {
 131         std::stringstream out(data005);
 132         std::string token;
 133         std::string line5;
 134         int token_counter = 0;
 135         isupport.clear();
 136         while (out >> token)
 137         {
 138                 line5 = line5 + token + " ";
 139                 token_counter++;
 140                 if (token_counter >= 13)
 141                 {
 142                         char buf[MAXBUF];
 143                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 144                         isupport.push_back(buf);
 145                         line5.clear();
 146                         token_counter = 0;
 147                 }
 148         }
 149         if (!line5.empty())
 150         {
 151                 char buf[MAXBUF];
 152                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 153                 isupport.push_back(buf);
 154         }
 155 }
 156
 157 void ServerConfig::Send005(User* user)
 158 {
 159         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 160                 user->WriteNumeric(005, "%s %s", user->nick, line->c_str());
 161 }
 162
 163 bool ServerConfig::CheckOnce(const char* tag)
 164 {
 165         int count = ConfValueEnum(this->config_data, tag);
 166
 167         if (count > 1)
 168         {
 169                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 170                 return false;
 171         }
 172         if (count < 1)
 173         {
 174                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 175                 return false;
 176         }
 177         return true;
 178 }
 179
 180 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 181 {
 182         return true;
 183 }
 184
 185 bool DoneConfItem(ServerConfig* conf, const char* tag)
 186 {
 187         return true;
 188 }
 189
 190 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
 191 {
 192         for (const char* ptr = p; *ptr; ++ptr)
 193         {
 194                 if (*ptr == ' ')
 195                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
 196         }
 197 }
 198
 199 /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
 200  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
 201  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
 202  */
 203 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
 204 {
 205         int num_dots = 0;
 206         int num_seps = 0;
 207         int not_numbers = false;
 208         int not_hex = false;
 209
 210         if (*p)
 211         {
 212                 if (*p == '.')
 213                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 214
 215                 for (const char* ptr = p; *ptr; ++ptr)
 216                 {
 217                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
 218                                 continue;
 219
 220                         if (*ptr != ':' && *ptr != '.')
 221                         {
 222                                 if (*ptr < '0' || *ptr > '9')
 223                                         not_numbers = true;
 224                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
 225                                         not_hex = true;
 226                         }
 227                         switch (*ptr)
 228                         {
 229                                 case ' ':
 230                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 231                                 case '.':
 232                                         num_dots++;
 233                                 break;
 234                                 case ':':
 235                                         num_seps++;
 236                                 break;
 237                         }
 238                 }
 239
 240                 if (num_dots > 3)
 241                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
 242
 243                 if (num_seps > 8)
 244                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
 245
 246                 if (num_seps == 0 && num_dots < 3 && !wild)
 247                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
 248
 249                 if (num_seps == 0 && num_dots == 3 && not_numbers)
 250                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
 251
 252                 if (num_seps != 0 && not_hex)
 253                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
 254
 255                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
 256                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
 257         }
 258 }
 259
 260 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
 261 {
 262         int num_dots = 0;
 263         if (*p)
 264         {
 265                 if (*p == '.')
 266                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 267                 for (const char* ptr = p; *ptr; ++ptr)
 268                 {
 269                         switch (*ptr)
 270                         {
 271                                 case ' ':
 272                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 273                                 case '.':
 274                                         num_dots++;
 275                                 break;
 276                         }
 277                 }
 278                 if (num_dots == 0)
 279                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 280         }
 281 }
 282
 283 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 284 {
 285         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 286         {
 287                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 288                 data.Set(20);
 289         }
 290         return true;
 291 }
 292
 293 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 294 {
 295         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 296         {
 297                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 298                 data.Set(MAXCLIENTS);
 299         }
 300         return true;
 301 }
 302
 303 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 304 {
 305         if (data.GetInteger() > SOMAXCONN)
 306                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 307         return true;
 308 }
 309
 310 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 311 {
 312         std::stringstream dcmds(data);
 313         std::string thiscmd;
 314
 315         /* Enable everything first */
 316         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 317                 x->second->Disable(false);
 318
 319         /* Now disable all the ones which the user wants disabled */
 320         while (dcmds >> thiscmd)
 321         {
 322                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 323                 if (cm != ServerInstance->Parser->cmdlist.end())
 324                 {
 325                         cm->second->Disable(true);
 326                 }
 327         }
 328         return true;
 329 }
 330
 331 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 332 {
 333         if (!*(data.GetString()))
 334         {
 335                 std::string nameserver;
 336                 // attempt to look up their nameserver from /etc/resolv.conf
 337                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 338                 std::ifstream resolv("/etc/resolv.conf");
 339                 bool found_server = false;
 340
 341                 if (resolv.is_open())
 342                 {
 343                         while (resolv >> nameserver)
 344                         {
 345                                 if ((nameserver == "nameserver") && (!found_server))
 346                                 {
 347                                         resolv >> nameserver;
 348                                         data.Set(nameserver.c_str());
 349                                         found_server = true;
 350                                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 351                                 }
 352                         }
 353
 354                         if (!found_server)
 355                         {
 356                                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 357                                 data.Set("127.0.0.1");
 358                         }
 359                 }
 360                 else
 361                 {
 362                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 363                         data.Set("127.0.0.1");
 364                 }
 365         }
 366         return true;
 367 }
 368
 369 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 370 {
 371         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server name");
 372         /* If we already have a servername, and they changed it, we should throw an exception. */
 373         if (!strchr(data.GetString(), '.'))
 374         {
 375                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 376                 std::string moo = std::string(data.GetString()).append(".");
 377                 data.Set(moo.c_str());
 378         }
 379         return true;
 380 }
 381
 382 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 383 {
 384         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 385         {
 386                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 387                 data.Set(10240);
 388         }
 389         return true;
 390 }
 391
 392 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 393 {
 394         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 395         {
 396                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 397                 data.Set(128);
 398         }
 399         return true;
 400 }
 401
 402 bool ValidateLogLevel(ServerConfig* conf, const char*, const char*, ValueItem &data)
 403 {
 404         std::string dbg = data.GetString();
 405         conf->LogLevel = DEFAULT;
 406
 407         if (dbg == "debug")
 408                 conf->LogLevel = DEBUG;
 409         else if (dbg  == "verbose")
 410                 conf->LogLevel = VERBOSE;
 411         else if (dbg == "default")
 412                 conf->LogLevel = DEFAULT;
 413         else if (dbg == "sparse")
 414                 conf->LogLevel = SPARSE;
 415         else if (dbg == "none")
 416                 conf->LogLevel = NONE;
 417
 418         conf->debugging = (conf->LogLevel == DEBUG);
 419
 420         return true;
 421 }
 422
 423 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 424 {
 425         conf->ReadFile(conf->MOTD, data.GetString());
 426         return true;
 427 }
 428
 429 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 430 {
 431         if (!*data.GetString())
 432                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 433         return true;
 434 }
 435
 436 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 437 {
 438         conf->ReadFile(conf->RULES, data.GetString());
 439         return true;
 440 }
 441
 442 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 443 {
 444         memset(conf->HideModeLists, 0, 256);
 445         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 446                 conf->HideModeLists[*x] = true;
 447         return true;
 448 }
 449
 450 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 451 {
 452         memset(conf->ExemptChanOps, 0, 256);
 453         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 454                 conf->ExemptChanOps[*x] = true;
 455         return true;
 456 }
 457
 458 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 459 {
 460         std::string v = data.GetString();
 461
 462         if (v == "ops")
 463                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 464         else if (v == "all")
 465                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 466         else if (v == "dynamic")
 467                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 468         else
 469                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 470
 471         return true;
 472 }
 473
 474 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 475 {
 476         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server id");
 477
 478         const char *sid = data.GetString();
 479
 480         if (*sid && !conf->GetInstance()->IsSID(sid))
 481         {
 482                 throw CoreException(std::string(sid) + " is not a valid server ID. A server ID must be 3 characters long, with the first character a digit and the next two characters a digit or letter.");
 483         }
 484
 485         strlcpy(conf->sid, sid, 5);
 486
 487         return true;
 488 }
 489
 490 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 491 {
 492         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 493
 494         if (conf->WhoWasGroupSize < 0)
 495                 conf->WhoWasGroupSize = 0;
 496
 497         if (conf->WhoWasMaxGroups < 0)
 498                 conf->WhoWasMaxGroups = 0;
 499
 500         if (conf->WhoWasMaxKeep < 3600)
 501         {
 502                 conf->WhoWasMaxKeep = 3600;
 503                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 504         }
 505
 506         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 507         if (whowas_command)
 508         {
 509                 std::deque<classbase*> params;
 510                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 511         }
 512
 513         return true;
 514 }
 515
 516 /* Callback called before processing the first <connect> tag
 517  */
 518 bool InitConnect(ServerConfig* conf, const char*)
 519 {
 520         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
 521
 522         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 523         {
 524                 ConnectClass* c = *i;
 525
 526                 /* only delete a class with refcount 0 */
 527                 if (c->RefCount == 0)
 528                 {
 529                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
 530
 531                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 532                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 533                          * Now the increment is in the else { } below.
 534                          */
 535                         conf->Classes.erase(i);
 536                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 537                 }
 538                 else
 539                 {
 540                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 541                         c->SetDisabled(true);
 542                         i++;
 543                 }
 544         }
 545
 546         return true;
 547 }
 548
 549 /* Callback called to process a single <connect> tag
 550  */
 551 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 552 {
 553         ConnectClass c;
 554         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 555         const char* deny = values[1].GetString();
 556         const char* password = values[2].GetString();
 557         int timeout = values[3].GetInteger();
 558         int pingfreq = values[4].GetInteger();
 559         int flood = values[5].GetInteger();
 560         int threshold = values[6].GetInteger();
 561         int sendq = values[7].GetInteger();
 562         int recvq = values[8].GetInteger();
 563         int localmax = values[9].GetInteger();
 564         int globalmax = values[10].GetInteger();
 565         int port = values[11].GetInteger();
 566         const char* name = values[12].GetString();
 567         const char* parent = values[13].GetString();
 568         int maxchans = values[14].GetInteger();
 569         unsigned long limit = values[15].GetInteger();
 570         const char* hashtype = values[16].GetString();
 571
 572         /*
 573          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 574          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 575          */
 576         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 577         {
 578                 ConnectClass* cc = *item;
 579                 if ((*name && (cc->GetName() == name)) || (*allow && (cc->GetHost() == allow)) || (*deny && (cc->GetHost() == deny)))
 580                 {
 581                         /* reenable class so users can be shoved into it :P */
 582                         cc->SetDisabled(false);
 583                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
 584                         return true;
 585                 }
 586         }
 587
 588         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
 589
 590         if (*parent)
 591         {
 592                 /* Find 'parent' and inherit a new class from it,
 593                  * then overwrite any values that are set here
 594                  */
 595                 ClassVector::iterator item = conf->Classes.begin();
 596                 for (; item != conf->Classes.end(); ++item)
 597                 {
 598                         ConnectClass* cc = *item;
 599                         conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
 600                         if (cc->GetName() == parent)
 601                         {
 602                                 ConnectClass* newclass = new ConnectClass(name, cc);
 603                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 604                                 conf->Classes.push_back(newclass);
 605                                 break;
 606                         }
 607                 }
 608                 if (item == conf->Classes.end())
 609                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 610         }
 611         else
 612         {
 613                 if (*allow)
 614                 {
 615                         ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
 616                         cc->limit = limit;
 617                         cc->SetPort(port);
 618                         conf->Classes.push_back(cc);
 619                 }
 620                 else
 621                 {
 622                         ConnectClass* cc = new ConnectClass(name, deny);
 623                         cc->SetPort(port);
 624                         conf->Classes.push_back(cc);
 625                 }
 626         }
 627
 628         return true;
 629 }
 630
 631 /* Callback called when there are no more <connect> tags
 632  */
 633 bool DoneConnect(ServerConfig *conf, const char*)
 634 {
 635         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
 636         return true;
 637 }
 638
 639 /* Callback called before processing the first <uline> tag
 640  */
 641 bool InitULine(ServerConfig* conf, const char*)
 642 {
 643         conf->ulines.clear();
 644         return true;
 645 }
 646
 647 /* Callback called to process a single <uline> tag
 648  */
 649 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 650 {
 651         const char* server = values[0].GetString();
 652         const bool silent = values[1].GetBool();
 653         conf->ulines[server] = silent;
 654         return true;
 655 }
 656
 657 /* Callback called when there are no more <uline> tags
 658  */
 659 bool DoneULine(ServerConfig*, const char*)
 660 {
 661         return true;
 662 }
 663
 664 /* Callback called before processing the first <module> tag
 665  */
 666 bool InitModule(ServerConfig* conf, const char*)
 667 {
 668         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 669         new_module_names.clear();
 670         added_modules.clear();
 671         removed_modules.clear();
 672         return true;
 673 }
 674
 675 /* Callback called to process a single <module> tag
 676  */
 677 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 678 {
 679         const char* modname = values[0].GetString();
 680         new_module_names.push_back(modname);
 681         return true;
 682 }
 683
 684 /* Callback called when there are no more <module> tags
 685  */
 686 bool DoneModule(ServerConfig*, const char*)
 687 {
 688         // now create a list of new modules that are due to be loaded
 689         // and a seperate list of modules which are due to be unloaded
 690         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 691         {
 692                 bool added = true;
 693
 694                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 695                 {
 696                         if (*old == *_new)
 697                                 added = false;
 698                 }
 699
 700                 if (added)
 701                         added_modules.push_back(*_new);
 702         }
 703
 704         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 705         {
 706                 bool removed = true;
 707                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 708                 {
 709                         if (*newm == *oldm)
 710                                 removed = false;
 711                 }
 712
 713                 if (removed)
 714                         removed_modules.push_back(*oldm);
 715         }
 716         return true;
 717 }
 718
 719 /* Callback called before processing the first <banlist> tag
 720  */
 721 bool InitMaxBans(ServerConfig* conf, const char*)
 722 {
 723         conf->maxbans.clear();
 724         return true;
 725 }
 726
 727 /* Callback called to process a single <banlist> tag
 728  */
 729 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 730 {
 731         const char* channel = values[0].GetString();
 732         int limit = values[1].GetInteger();
 733         conf->maxbans[channel] = limit;
 734         return true;
 735 }
 736
 737 /* Callback called when there are no more <banlist> tags.
 738  */
 739 bool DoneMaxBans(ServerConfig*, const char*)
 740 {
 741         return true;
 742 }
 743
 744 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 745 {
 746         ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 747         if (bail)
 748         {
 749                 /* Unneeded because of the ServerInstance->Log() aboive? */
 750                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 751                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 752         }
 753         else
 754         {
 755                 std::string errors = errormessage;
 756                 std::string::size_type start;
 757                 unsigned int prefixlen;
 758                 start = 0;
 759                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 760                 if (user)
 761                 {
 762                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 763                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 764                         while (start < errors.length())
 765                         {
 766                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 767                                 start += 510 - prefixlen;
 768                         }
 769                 }
 770                 else
 771                 {
 772                         ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
 773                         while (start < errors.length())
 774                         {
 775                                 ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360).c_str());
 776                                 start += 360;
 777                         }
 778                 }
 779                 return;
 780         }
 781 }
 782
 783 void ServerConfig::Read(bool bail, User* user)
 784 {
 785         int rem = 0, add = 0;      /* Number of modules added, number of modules removed */
 786
 787         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 788         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 789         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 790         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 791         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 792         errstr.clear();
 793
 794         include_stack.clear();
 795
 796         /* These tags MUST occur and must ONLY occur once in the config file */
 797         static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 798
 799         /* These tags can occur ONCE or not at all */
 800         InitialConfig Values[] = {
 801                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 802                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 803                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 804                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME|DT_BOOTONLY, ValidateServerName},
 805                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 806                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 807                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR|DT_BOOTONLY,  ValidateSID},
 808                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 809                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 810                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 811                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 812                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 813                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 814                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 815                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  NoValidation},
 816                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 817                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 818                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 819                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 820                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 821                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 822                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 823                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR,  ValidateLogLevel},
 824                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 825                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 826                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 827                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 828                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 829                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 830                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 831                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 832                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 833                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 834                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 835                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 836                 {"options",     "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 837                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 838                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 839                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 840                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 841                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 842                 {"options",     "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 843                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 844                 {"options",     "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 845                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 846                 {"options",     "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 847                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 848                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 849                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 850                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 851                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 852                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 853                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 854                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 855                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 856         };
 857
 858         /* These tags can occur multiple times, and therefore they have special code to read them
 859          * which is different to the code for reading the singular tags listed above.
 860          */
 861         MultiConfig MultiValues[] = {
 862
 863                 {"connect",
 864                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 865                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 866                                 "name",         "parent",       "maxchans",     "limit",        "hash",
 867                                 NULL},
 868                                 {"",            "",             "",             "",             "120",          "",
 869                                  "",            "",             "",             "3",            "3",            "0",
 870                                  "",            "",             "0",        "0",        "",
 871                                  NULL},
 872                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 873                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 874                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 875                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 876                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
 877                                 InitConnect, DoConnect, DoneConnect},
 878
 879                 {"uline",
 880                                 {"server",      "silent",       NULL},
 881                                 {"",            "0",            NULL},
 882                                 {DT_HOSTNAME,   DT_BOOLEAN},
 883                                 InitULine,DoULine,DoneULine},
 884
 885                 {"banlist",
 886                                 {"chan",        "limit",        NULL},
 887                                 {"",            "",             NULL},
 888                                 {DT_CHARPTR,    DT_INTEGER},
 889                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 890
 891                 {"module",
 892                                 {"name",        NULL},
 893                                 {"",            NULL},
 894                                 {DT_CHARPTR},
 895                                 InitModule, DoModule, DoneModule},
 896
 897                 {"badip",
 898                                 {"reason",      "ipmask",       NULL},
 899                                 {"No reason",   "",             NULL},
 900                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 901                                 InitXLine, DoZLine, DoneConfItem},
 902
 903                 {"badnick",
 904                                 {"reason",      "nick",         NULL},
 905                                 {"No reason",   "",             NULL},
 906                                 {DT_CHARPTR,    DT_CHARPTR},
 907                                 InitXLine, DoQLine, DoneConfItem},
 908
 909                 {"badhost",
 910                                 {"reason",      "host",         NULL},
 911                                 {"No reason",   "",             NULL},
 912                                 {DT_CHARPTR,    DT_CHARPTR},
 913                                 InitXLine, DoKLine, DoneConfItem},
 914
 915                 {"exception",
 916                                 {"reason",      "host",         NULL},
 917                                 {"No reason",   "",             NULL},
 918                                 {DT_CHARPTR,    DT_CHARPTR},
 919                                 InitXLine, DoELine, DoneELine},
 920
 921                 {"type",
 922                                 {"name",        "classes",      NULL},
 923                                 {"",            "",             NULL},
 924                                 {DT_NOSPACES,   DT_CHARPTR},
 925                                 InitTypes, DoType, DoneClassesAndTypes},
 926
 927                 {"class",
 928                                 {"name",        "commands",     NULL},
 929                                 {"",            "",             NULL},
 930                                 {DT_NOSPACES,   DT_CHARPTR},
 931                                 InitClasses, DoClass, DoneClassesAndTypes},
 932
 933                 {NULL,
 934                                 {NULL},
 935                                 {NULL},
 936                                 {0},
 937                                 NULL, NULL, NULL}
 938         };
 939
 940         /* Load and parse the config file, if there are any errors then explode */
 941
 942         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 943         newconfig.clear();
 944
 945         if (this->DoInclude(newconfig, ServerInstance->ConfigFileName, errstr))
 946         {
 947                 /* If we succeeded, set the ircd config to the new one */
 948                 ServerInstance->Threads->Mutex(true);
 949                 this->config_data = newconfig;
 950                 ServerInstance->Threads->Mutex(false);
 951         }
 952         else
 953         {
 954                 ReportConfigError(errstr.str(), bail, user);
 955                 return;
 956         }
 957
 958         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 959         try
 960         {
 961                 /* Check we dont have more than one of singular tags, or any of them missing
 962                  */
 963                 for (int Index = 0; Once[Index]; Index++)
 964                         if (!CheckOnce(Once[Index]))
 965                                 return;
 966
 967                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 968                  */
 969                 for (int Index = 0; Values[Index].tag; Index++)
 970                 {
 971                         char item[MAXBUF];
 972                         int dt = Values[Index].datatype;
 973                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 974                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 975                         bool bootonly = ((dt & DT_BOOTONLY) > 0);
 976                         dt &= ~DT_ALLOW_NEWLINE;
 977                         dt &= ~DT_ALLOW_WILD;
 978                         dt &= ~DT_BOOTONLY;
 979
 980                         /* Silently ignore boot only values */
 981                         if (bootonly && !bail)
 982                                 continue;
 983
 984                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 985                         ValueItem vi(item);
 986
 987                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 988                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 989
 990                         ServerInstance->Threads->Mutex(true);
 991                         switch (dt)
 992                         {
 993                                 case DT_NOSPACES:
 994                                 {
 995                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 996                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 997                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 998                                 }
 999                                 break;
1000                                 case DT_HOSTNAME:
1001                                 {
1002                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1003                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
1004                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1005                                         ServerInstance->Logs->Log("CONFIG",DEFAULT,"Got %s", vi.GetString());
1006                                 }
1007                                 break;
1008                                 case DT_IPADDRESS:
1009                                 {
1010                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1011                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1012                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1013                                 }
1014                                 break;
1015                                 case DT_CHANNEL:
1016                                 {
1017                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1018                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1019                                         {
1020                                                 ServerInstance->Threads->Mutex(false);
1021                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1022                                         }
1023                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1024                                 }
1025                                 break;
1026                                 case DT_CHARPTR:
1027                                 {
1028                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1029                                         /* Make sure we also copy the null terminator */
1030                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1031                                 }
1032                                 break;
1033                                 case DT_INTEGER:
1034                                 {
1035                                         int val = vi.GetInteger();
1036                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1037                                         vci->Set(&val, sizeof(int));
1038                                 }
1039                                 break;
1040                                 case DT_BOOLEAN:
1041                                 {
1042                                         bool val = vi.GetBool();
1043                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1044                                         vcb->Set(&val, sizeof(bool));
1045                                 }
1046                                 break;
1047                                 default:
1048                                         /* You don't want to know what happens if someones bad code sends us here. */
1049                                 break;
1050                         }
1051                         /* We're done with this now */
1052                         delete Values[Index].val;
1053                         ServerInstance->Threads->Mutex(false);
1054                 }
1055
1056                 /* Read the multiple-tag items (class tags, connect tags, etc)
1057                  * and call the callbacks associated with them. We have three
1058                  * callbacks for these, a 'start', 'item' and 'end' callback.
1059                  */
1060                 for (int Index = 0; MultiValues[Index].tag; Index++)
1061                 {
1062                         ServerInstance->Threads->Mutex(true);
1063                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1064                         ServerInstance->Threads->Mutex(false);
1065
1066                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
1067
1068                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1069                         {
1070                                 ValueList vl;
1071                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1072                                 {
1073                                         int dt = MultiValues[Index].datatype[valuenum];
1074                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1075                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1076                                         dt &= ~DT_ALLOW_NEWLINE;
1077                                         dt &= ~DT_ALLOW_WILD;
1078
1079                                         ServerInstance->Threads->Mutex(true);
1080                                         /* We catch and rethrow any exception here just so we can free our mutex
1081                                          */
1082                                         try
1083                                         {
1084                                                 switch (dt)
1085                                                 {
1086                                                         case DT_NOSPACES:
1087                                                         {
1088                                                                 char item[MAXBUF];
1089                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1090                                                                         vl.push_back(ValueItem(item));
1091                                                                 else
1092                                                                         vl.push_back(ValueItem(""));
1093                                                                 this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1094                                                         }
1095                                                         break;
1096                                                         case DT_HOSTNAME:
1097                                                         {
1098                                                                 char item[MAXBUF];
1099                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1100                                                                         vl.push_back(ValueItem(item));
1101                                                                 else
1102                                                                         vl.push_back(ValueItem(""));
1103                                                                 this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1104                                                         }
1105                                                         break;
1106                                                         case DT_IPADDRESS:
1107                                                         {
1108                                                                 char item[MAXBUF];
1109                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1110                                                                         vl.push_back(ValueItem(item));
1111                                                                 else
1112                                                                         vl.push_back(ValueItem(""));
1113                                                                 this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1114                                                         }
1115                                                         break;
1116                                                         case DT_CHANNEL:
1117                                                         {
1118                                                                 char item[MAXBUF];
1119                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1120                                                                         vl.push_back(ValueItem(item));
1121                                                                 else
1122                                                                         vl.push_back(ValueItem(""));
1123                                                                 if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1124                                                                         throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1125                                                         }
1126                                                         break;
1127                                                         case DT_CHARPTR:
1128                                                         {
1129                                                                 char item[MAXBUF];
1130                                                                 if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1131                                                                         vl.push_back(ValueItem(item));
1132                                                                 else
1133                                                                         vl.push_back(ValueItem(""));
1134                                                         }
1135                                                         break;
1136                                                         case DT_INTEGER:
1137                                                         {
1138                                                                 int item = 0;
1139                                                                 if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1140                                                                         vl.push_back(ValueItem(item));
1141                                                                 else
1142                                                                         vl.push_back(ValueItem(0));
1143                                                         }
1144                                                         break;
1145                                                         case DT_BOOLEAN:
1146                                                         {
1147                                                                 bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1148                                                                 vl.push_back(ValueItem(item));
1149                                                         }
1150                                                         break;
1151                                                         default:
1152                                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
1153                                                         break;
1154                                                 }
1155                                         }
1156                                         catch (CoreException &e)
1157                                         {
1158                                                 ServerInstance->Threads->Mutex(false);
1159                                                 throw e;
1160                                         }
1161                                         ServerInstance->Threads->Mutex(false);
1162                                 }
1163                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1164                         }
1165                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1166                 }
1167
1168         }
1169
1170         catch (CoreException &ce)
1171         {
1172                 ReportConfigError(ce.GetReason(), bail, user);
1173                 return;
1174         }
1175
1176         // write once here, to try it out and make sure its ok
1177         ServerInstance->WritePID(this->PID);
1178
1179         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
1180
1181         /* Switch over logfiles */
1182         ServerInstance->Logs->CloseLogs();
1183         ServerInstance->Logs->OpenFileLogs();
1184
1185         /* If we're rehashing, let's load any new modules, and unload old ones
1186          */
1187         if (!bail)
1188         {
1189                 int found_ports = 0;
1190                 FailedPortList pl;
1191                 ServerInstance->BindPorts(false, found_ports, pl);
1192
1193                 if (pl.size() && user)
1194                 {
1195                         ServerInstance->Threads->Mutex(true);
1196                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1197                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1198                         int j = 1;
1199                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1200                         {
1201                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1202                         }
1203                         ServerInstance->Threads->Mutex(false);
1204                 }
1205
1206                 ServerInstance->Threads->Mutex(true);
1207                 if (!removed_modules.empty())
1208                 {
1209                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1210                         {
1211                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1212                                 {
1213                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str());
1214
1215                                         if (user)
1216                                                 user->WriteNumeric(973, "%s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1217
1218                                         rem++;
1219                                 }
1220                                 else
1221                                 {
1222                                         if (user)
1223                                                 user->WriteNumeric(972, "%s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str());
1224                                 }
1225                         }
1226                 }
1227
1228                 if (!added_modules.empty())
1229                 {
1230                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1231                         {
1232                                 if (ServerInstance->Modules->Load(adding->c_str()))
1233                                 {
1234                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str());
1235
1236                                         if (user)
1237                                                 user->WriteNumeric(975, "%s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1238
1239                                         add++;
1240                                 }
1241                                 else
1242                                 {
1243                                         if (user)
1244                                                 user->WriteNumeric(974, "%s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str());
1245                                 }
1246                         }
1247                 }
1248
1249                 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());
1250
1251                 ServerInstance->Threads->Mutex(false);
1252
1253         }
1254
1255         /** Note: This is safe, the method checks for user == NULL */
1256         ServerInstance->Threads->Mutex(true);
1257         ServerInstance->Parser->SetupCommandTable(user);
1258         ServerInstance->Threads->Mutex(false);
1259
1260         if (user)
1261                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1262         else
1263                 ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server.");
1264
1265 }
1266
1267
1268 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const char* filename, std::ostringstream &errorstream)
1269 {
1270         std::string line;
1271         char ch;
1272         long linenumber;
1273         bool in_tag;
1274         bool in_quote;
1275         bool in_comment;
1276         int character_count = 0;
1277
1278         linenumber = 1;
1279         in_tag = false;
1280         in_quote = false;
1281         in_comment = false;
1282
1283         ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading %s", filename);
1284
1285         /* Check if the file open failed first */
1286         if (!conf)
1287         {
1288                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1289                 return false;
1290         }
1291
1292         for (unsigned int t = 0; t < include_stack.size(); t++)
1293         {
1294                 if (std::string(filename) == include_stack[t])
1295                 {
1296                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1297                         return false;
1298                 }
1299         }
1300
1301         /* It's not already included, add it to the list of files we've loaded */
1302         include_stack.push_back(filename);
1303
1304         /* Start reading characters... */
1305         while (!feof(conf))
1306         {
1307                 ch = fgetc(conf);
1308                 /*
1309                  * Fix for moronic windows issue spotted by Adremelech.
1310                  * Some windows editors save text files as utf-16, which is
1311                  * a total pain in the ass to parse. Users should save in the
1312                  * right config format! If we ever see a file where the first
1313                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1314                  * this is most likely a utf-16 file. Bail out and insult user.
1315                  */
1316                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1317                 {
1318                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1319                         return false;
1320                 }
1321
1322                 /*
1323                  * Here we try and get individual tags on separate lines,
1324                  * this would be so easy if we just made people format
1325                  * their config files like that, but they don't so...
1326                  * We check for a '<' and then know the line is over when
1327                  * we get a '>' not inside quotes. If we find two '<' and
1328                  * no '>' then die with an error.
1329                  */
1330
1331                 if ((ch == '#') && !in_quote)
1332                         in_comment = true;
1333
1334                 switch (ch)
1335                 {
1336                         case '\n':
1337                                 if (in_quote)
1338                                         line += '\n';
1339                                 linenumber++;
1340                         case '\r':
1341                                 if (!in_quote)
1342                                         in_comment = false;
1343                         case '\0':
1344                                 continue;
1345                         case '\t':
1346                                 ch = ' ';
1347                 }
1348
1349                 if(in_comment)
1350                         continue;
1351
1352                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1353                  * Note that this WILL NOT usually allow insertion of newlines,
1354                  * because a newline is two characters long. Use it primarily to
1355                  * insert the " symbol.
1356                  *
1357                  * Note that this also involves a further check when parsing the line,
1358                  * which can be found below.
1359                  */
1360                 if ((ch == '\\') && (in_quote) && (in_tag))
1361                 {
1362                         line += ch;
1363                         char real_character;
1364                         if (!feof(conf))
1365                         {
1366                                 real_character = fgetc(conf);
1367                                 if (real_character == 'n')
1368                                         real_character = '\n';
1369                                 line += real_character;
1370                                 continue;
1371                         }
1372                         else
1373                         {
1374                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1375                                 return false;
1376                         }
1377                 }
1378
1379                 if (ch != '\r')
1380                         line += ch;
1381
1382                 if (ch == '<')
1383                 {
1384                         if (in_tag)
1385                         {
1386                                 if (!in_quote)
1387                                 {
1388                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1389                                         return false;
1390                                 }
1391                         }
1392                         else
1393                         {
1394                                 if (in_quote)
1395                                 {
1396                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1397                                         return false;
1398                                 }
1399                                 else
1400                                 {
1401                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1402                                         in_tag = true;
1403                                 }
1404                         }
1405                 }
1406                 else if (ch == '"')
1407                 {
1408                         if (in_tag)
1409                         {
1410                                 if (in_quote)
1411                                 {
1412                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1413                                         in_quote = false;
1414                                 }
1415                                 else
1416                                 {
1417                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1418                                         in_quote = true;
1419                                 }
1420                         }
1421                         else
1422                         {
1423                                 if (in_quote)
1424                                 {
1425                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1426                                 }
1427                                 else
1428                                 {
1429                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1430                                 }
1431                         }
1432                 }
1433                 else if (ch == '>')
1434                 {
1435                         {
1436                                 if (in_tag)
1437                                 {
1438                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1439                                         in_tag = false;
1440
1441                                         /*
1442                                          * If this finds an <include> then ParseLine can simply call
1443                                          * LoadConf() and load the included config into the same ConfigDataHash
1444                                          */
1445
1446                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1447                                                 return false;
1448
1449                                         line.clear();
1450                                 }
1451                                 else
1452                                 {
1453                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1454                                         return false;
1455                                 }
1456                         }
1457                 }
1458         }
1459
1460         /* 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 */
1461         if (in_comment || in_quote)
1462         {
1463                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1464                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1465         }
1466
1467         return true;
1468 }
1469
1470
1471 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream)
1472 {
1473         return this->LoadConf(target, conf, filename.c_str(), errorstream);
1474 }
1475
1476 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1477 {
1478         std::string tagname;
1479         std::string current_key;
1480         std::string current_value;
1481         KeyValList results;
1482         bool got_name;
1483         bool got_key;
1484         bool in_quote;
1485
1486         got_name = got_key = in_quote = false;
1487
1488         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1489         {
1490                 if (!got_name)
1491                 {
1492                         /* We don't know the tag name yet. */
1493
1494                         if (*c != ' ')
1495                         {
1496                                 if (*c != '<')
1497                                 {
1498                                         tagname += *c;
1499                                 }
1500                         }
1501                         else
1502                         {
1503                                 /* We got to a space, we should have the tagname now. */
1504                                 if(tagname.length())
1505                                 {
1506                                         got_name = true;
1507                                 }
1508                         }
1509                 }
1510                 else
1511                 {
1512                         /* We have the tag name */
1513                         if (!got_key)
1514                         {
1515                                 /* We're still reading the key name */
1516                                 if (*c != '=')
1517                                 {
1518                                         if (*c != ' ')
1519                                         {
1520                                                 current_key += *c;
1521                                         }
1522                                 }
1523                                 else
1524                                 {
1525                                         /* We got an '=', end of the key name. */
1526                                         got_key = true;
1527                                 }
1528                         }
1529                         else
1530                         {
1531                                 /* We have the key name, now we're looking for quotes and the value */
1532
1533                                 /* Correctly handle escaped characters here.
1534                                  * See the XXX'ed section above.
1535                                  */
1536                                 if ((*c == '\\') && (in_quote))
1537                                 {
1538                                         c++;
1539                                         if (*c == 'n')
1540                                                 current_value += '\n';
1541                                         else
1542                                                 current_value += *c;
1543                                         continue;
1544                                 }
1545                                 else if ((*c == '\n') && (in_quote))
1546                                 {
1547                                         /* Got a 'real' \n, treat it as part of the value */
1548                                         current_value += '\n';
1549                                         linenumber++;
1550                                         continue;
1551                                 }
1552                                 else if ((*c == '\r') && (in_quote))
1553                                         /* Got a \r, drop it */
1554                                         continue;
1555
1556                                 if (*c == '"')
1557                                 {
1558                                         if (!in_quote)
1559                                         {
1560                                                 /* We're not already in a quote. */
1561                                                 in_quote = true;
1562                                         }
1563                                         else
1564                                         {
1565                                                 /* Leaving the quotes, we have the current value */
1566                                                 results.push_back(KeyVal(current_key, current_value));
1567
1568                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1569
1570                                                 in_quote = false;
1571                                                 got_key = false;
1572
1573                                                 if ((tagname == "include") && (current_key == "file"))
1574                                                 {
1575                                                         if (!this->DoInclude(target, current_value, errorstream))
1576                                                                 return false;
1577                                                 }
1578                                                 else if ((tagname == "include") && (current_key == "executable"))
1579                                                 {
1580                                                         /* Pipe an executable and use its stdout as config data */
1581                                                         if (!this->DoPipe(target, current_value, errorstream))
1582                                                                 return false;
1583                                                 }
1584
1585                                                 current_key.clear();
1586                                                 current_value.clear();
1587                                         }
1588                                 }
1589                                 else
1590                                 {
1591                                         if (in_quote)
1592                                         {
1593                                                 current_value += *c;
1594                                         }
1595                                 }
1596                         }
1597                 }
1598         }
1599
1600         /* Finished parsing the tag, add it to the config hash */
1601         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1602
1603         return true;
1604 }
1605
1606 bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1607 {
1608         FILE* conf = popen(file.c_str(), "r");
1609         bool ret = false;
1610
1611         if (conf)
1612         {
1613                 ret = LoadConf(target, conf, file.c_str(), errorstream);
1614                 pclose(conf);
1615         }
1616         else
1617                 errorstream << "Couldn't execute: " << file << std::endl;
1618
1619         return ret;
1620 }
1621
1622 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1623 {
1624         std::string confpath;
1625         std::string newfile;
1626         std::string::size_type pos;
1627
1628         confpath = ServerInstance->ConfigFileName;
1629         newfile = file;
1630
1631         std::replace(newfile.begin(),newfile.end(),'\\','/');
1632         std::replace(confpath.begin(),confpath.end(),'\\','/');
1633
1634         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1635         {
1636                 if((pos = confpath.rfind("/")) != std::string::npos)
1637                 {
1638                         /* Leaves us with just the path */
1639                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1640                 }
1641                 else
1642                 {
1643                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1644                         return false;
1645                 }
1646         }
1647
1648         FILE* conf = fopen(newfile.c_str(), "r");
1649         bool ret = false;
1650
1651         if (conf)
1652         {
1653                 ret = LoadConf(target, conf, newfile, errorstream);
1654                 fclose(conf);
1655         }
1656         else
1657                 errorstream << "Couldn't open config file: " << file << std::endl;
1658
1659         return ret;
1660 }
1661
1662 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1663 {
1664         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1665 }
1666
1667 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1668 {
1669         std::string value;
1670         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1671         strlcpy(result, value.c_str(), length);
1672         return r;
1673 }
1674
1675 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1676 {
1677         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1678 }
1679
1680 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)
1681 {
1682         ConfigDataHash::size_type pos = index;
1683         if (pos < target.count(tag))
1684         {
1685                 ConfigDataHash::iterator iter = target.find(tag);
1686
1687                 for(int i = 0; i < index; i++)
1688                         iter++;
1689
1690                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1691                 {
1692                         if(j->first == var)
1693                         {
1694                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1695                                 {
1696                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1697                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1698                                                 if (*n == '\n')
1699                                                         *n = ' ';
1700                                 }
1701                                 else
1702                                 {
1703                                         result = j->second;
1704                                         return true;
1705                                 }
1706                         }
1707                 }
1708                 if (!default_value.empty())
1709                 {
1710                         result = default_value;
1711                         return true;
1712                 }
1713         }
1714         else if(pos == 0)
1715         {
1716                 if (!default_value.empty())
1717                 {
1718                         result = default_value;
1719                         return true;
1720                 }
1721         }
1722         return false;
1723 }
1724
1725 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1726 {
1727         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1728 }
1729
1730 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1731 {
1732         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1733 }
1734
1735 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1736 {
1737         return ConfValueInteger(target, tag, var, "", index, result);
1738 }
1739
1740 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1741 {
1742         std::string value;
1743         std::istringstream stream;
1744         bool r = ConfValue(target, tag, var, default_value, index, value);
1745         stream.str(value);
1746         if(!(stream >> result))
1747                 return false;
1748         else
1749         {
1750                 if (!value.empty())
1751                 {
1752                         if (value.substr(0,2) == "0x")
1753                         {
1754                                 char* endptr;
1755
1756                                 value.erase(0,2);
1757                                 result = strtol(value.c_str(), &endptr, 16);
1758
1759                                 /* No digits found */
1760                                 if (endptr == value.c_str())
1761                                         return false;
1762                         }
1763                         else
1764                         {
1765                                 char denominator = *(value.end() - 1);
1766                                 switch (toupper(denominator))
1767                                 {
1768                                         case 'K':
1769                                                 /* Kilobytes -> bytes */
1770                                                 result = result * 1024;
1771                                         break;
1772                                         case 'M':
1773                                                 /* Megabytes -> bytes */
1774                                                 result = result * 1024 * 1024;
1775                                         break;
1776                                         case 'G':
1777                                                 /* Gigabytes -> bytes */
1778                                                 result = result * 1024 * 1024 * 1024;
1779                                         break;
1780                                 }
1781                         }
1782                 }
1783         }
1784         return r;
1785 }
1786
1787
1788 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1789 {
1790         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1791 }
1792
1793 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1794 {
1795         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1796 }
1797
1798 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1799 {
1800         return ConfValueBool(target, tag, var, "", index);
1801 }
1802
1803 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1804 {
1805         std::string result;
1806         if(!ConfValue(target, tag, var, default_value, index, result))
1807                 return false;
1808
1809         return ((result == "yes") || (result == "true") || (result == "1"));
1810 }
1811
1812 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1813 {
1814         return target.count(tag);
1815 }
1816
1817 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1818 {
1819         return target.count(tag);
1820 }
1821
1822 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1823 {
1824         return ConfVarEnum(target, std::string(tag), index);
1825 }
1826
1827 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1828 {
1829         ConfigDataHash::size_type pos = index;
1830
1831         if (pos < target.count(tag))
1832         {
1833                 ConfigDataHash::const_iterator iter = target.find(tag);
1834
1835                 for(int i = 0; i < index; i++)
1836                         iter++;
1837
1838                 return iter->second.size();
1839         }
1840
1841         return 0;
1842 }
1843
1844 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1845  */
1846 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1847 {
1848         if (!fname || !*fname)
1849                 return false;
1850
1851         FILE* file = NULL;
1852         char linebuf[MAXBUF];
1853
1854         F.clear();
1855
1856         if ((*fname != '/') && (*fname != '\\'))
1857         {
1858                 std::string::size_type pos;
1859                 std::string confpath = ServerInstance->ConfigFileName;
1860                 std::string newfile = fname;
1861
1862                 if ((pos = confpath.rfind("/")) != std::string::npos)
1863                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1864                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1865                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1866
1867                 if (!FileExists(newfile.c_str()))
1868                         return false;
1869                 file =  fopen(newfile.c_str(), "r");
1870         }
1871         else
1872         {
1873                 if (!FileExists(fname))
1874                         return false;
1875                 file =  fopen(fname, "r");
1876         }
1877
1878         if (file)
1879         {
1880                 while (!feof(file))
1881                 {
1882                         if (fgets(linebuf, sizeof(linebuf), file))
1883                                 linebuf[strlen(linebuf)-1] = 0;
1884                         else
1885                                 *linebuf = 0;
1886
1887                         if (!feof(file))
1888                         {
1889                                 F.push_back(*linebuf ? linebuf : " ");
1890                         }
1891                 }
1892
1893                 fclose(file);
1894         }
1895         else
1896                 return false;
1897
1898         return true;
1899 }
1900
1901 bool ServerConfig::FileExists(const char* file)
1902 {
1903         struct stat sb;
1904         if (stat(file, &sb) == -1)
1905                 return false;
1906
1907         if ((sb.st_mode & S_IFDIR) > 0)
1908                 return false;
1909
1910         FILE *input;
1911         if ((input = fopen (file, "r")) == NULL)
1912                 return false;
1913         else
1914         {
1915                 fclose(input);
1916                 return true;
1917         }
1918 }
1919
1920 char* ServerConfig::CleanFilename(char* name)
1921 {
1922         char* p = name + strlen(name);
1923         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1924         return (p != name ? ++p : p);
1925 }
1926
1927
1928 bool ServerConfig::DirValid(const char* dirandfile)
1929 {
1930 #ifdef WINDOWS
1931         return true;
1932 #endif
1933
1934         char work[1024];
1935         char buffer[1024];
1936         char otherdir[1024];
1937         int p;
1938
1939         strlcpy(work, dirandfile, 1024);
1940         p = strlen(work);
1941
1942         // we just want the dir
1943         while (*work)
1944         {
1945                 if (work[p] == '/')
1946                 {
1947                         work[p] = '\0';
1948                         break;
1949                 }
1950
1951                 work[p--] = '\0';
1952         }
1953
1954         // Get the current working directory
1955         if (getcwd(buffer, 1024 ) == NULL )
1956                 return false;
1957
1958         if (chdir(work) == -1)
1959                 return false;
1960
1961         if (getcwd(otherdir, 1024 ) == NULL )
1962                 return false;
1963
1964         if (chdir(buffer) == -1)
1965                 return false;
1966
1967         size_t t = strlen(work);
1968
1969         if (strlen(otherdir) >= t)
1970         {
1971                 otherdir[t] = '\0';
1972                 if (!strcmp(otherdir,work))
1973                 {
1974                         return true;
1975                 }
1976
1977                 return false;
1978         }
1979         else
1980         {
1981                 return false;
1982         }
1983 }
1984
1985 std::string ServerConfig::GetFullProgDir()
1986 {
1987         char buffer[PATH_MAX+1];
1988 #ifdef WINDOWS
1989         /* Windows has specific api calls to get the exe path that never fail.
1990          * For once, windows has something of use, compared to the POSIX code
1991          * for this, this is positively neato.
1992          */
1993         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1994         {
1995                 std::string fullpath = buffer;
1996                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1997                 return std::string(fullpath, 0, n);
1998         }
1999 #else
2000         // Get the current working directory
2001         if (getcwd(buffer, PATH_MAX))
2002         {
2003                 std::string remainder = this->argv[0];
2004
2005                 /* Does argv[0] start with /? its a full path, use it */
2006                 if (remainder[0] == '/')
2007                 {
2008                         std::string::size_type n = remainder.rfind("/inspircd");
2009                         return std::string(remainder, 0, n);
2010                 }
2011
2012                 std::string fullpath = std::string(buffer) + "/" + remainder;
2013                 std::string::size_type n = fullpath.rfind("/inspircd");
2014                 return std::string(fullpath, 0, n);
2015         }
2016 #endif
2017         return "/";
2018 }
2019
2020 InspIRCd* ServerConfig::GetInstance()
2021 {
2022         return ServerInstance;
2023 }
2024
2025 std::string ServerConfig::GetSID()
2026 {
2027         return sid;
2028 }
2029
2030 ValueItem::ValueItem(int value)
2031 {
2032         std::stringstream n;
2033         n << value;
2034         v = n.str();
2035 }
2036
2037 ValueItem::ValueItem(bool value)
2038 {
2039         std::stringstream n;
2040         n << value;
2041         v = n.str();
2042 }
2043
2044 ValueItem::ValueItem(const char* value)
2045 {
2046         v = value;
2047 }
2048
2049 void ValueItem::Set(const char* value)
2050 {
2051         v = value;
2052 }
2053
2054 void ValueItem::Set(int value)
2055 {
2056         std::stringstream n;
2057         n << value;
2058         v = n.str();
2059 }
2060
2061 int ValueItem::GetInteger()
2062 {
2063         if (v.empty())
2064                 return 0;
2065         return atoi(v.c_str());
2066 }
2067
2068 char* ValueItem::GetString()
2069 {
2070         return (char*)v.c_str();
2071 }
2072
2073 bool ValueItem::GetBool()
2074 {
2075         return (GetInteger() || v == "yes" || v == "true");
2076 }
2077
2078
2079
2080
2081 /*
2082  * XXX should this be in a class? -- w00t
2083  */
2084 bool InitTypes(ServerConfig* conf, const char*)
2085 {
2086         if (conf->opertypes.size())
2087         {
2088                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2089                 {
2090                         if (n->second)
2091                                 delete[] n->second;
2092                 }
2093         }
2094
2095         conf->opertypes.clear();
2096         return true;
2097 }
2098
2099 /*
2100  * XXX should this be in a class? -- w00t
2101  */
2102 bool InitClasses(ServerConfig* conf, const char*)
2103 {
2104         if (conf->operclass.size())
2105         {
2106                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2107                 {
2108                         if (n->second)
2109                                 delete[] n->second;
2110                 }
2111         }
2112
2113         conf->operclass.clear();
2114         return true;
2115 }
2116
2117 /*
2118  * XXX should this be in a class? -- w00t
2119  */
2120 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2121 {
2122         const char* TypeName = values[0].GetString();
2123         const char* Classes = values[1].GetString();
2124
2125         conf->opertypes[TypeName] = strnewdup(Classes);
2126         return true;
2127 }
2128
2129 /*
2130  * XXX should this be in a class? -- w00t
2131  */
2132 bool DoClass(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2133 {
2134         const char* ClassName = values[0].GetString();
2135         const char* CommandList = values[1].GetString();
2136
2137         conf->operclass[ClassName] = strnewdup(CommandList);
2138         return true;
2139 }
2140
2141 /*
2142  * XXX should this be in a class? -- w00t
2143  */
2144 bool DoneClassesAndTypes(ServerConfig*, const char*)
2145 {
2146         return true;
2147 }
2148
2149
2150
2151 bool InitXLine(ServerConfig* conf, const char* tag)
2152 {
2153         return true;
2154 }
2155
2156 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2157 {
2158         const char* reason = values[0].GetString();
2159         const char* ipmask = values[1].GetString();
2160
2161         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2162         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2163                 delete zl;
2164
2165         return true;
2166 }
2167
2168 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2169 {
2170         const char* reason = values[0].GetString();
2171         const char* nick = values[1].GetString();
2172
2173         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2174         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2175                 delete ql;
2176
2177         return true;
2178 }
2179
2180 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2181 {
2182         const char* reason = values[0].GetString();
2183         const char* host = values[1].GetString();
2184
2185         XLineManager* xlm = conf->GetInstance()->XLines;
2186
2187         IdentHostPair ih = xlm->IdentSplit(host);
2188
2189         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2190         if (!xlm->AddLine(kl, NULL))
2191                 delete kl;
2192         return true;
2193 }
2194
2195 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2196 {
2197         const char* reason = values[0].GetString();
2198         const char* host = values[1].GetString();
2199
2200         XLineManager* xlm = conf->GetInstance()->XLines;
2201
2202         IdentHostPair ih = xlm->IdentSplit(host);
2203
2204         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2205         if (!xlm->AddLine(el, NULL))
2206                 delete el;
2207         return true;
2208 }
2209
2210 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2211 bool DoneELine(ServerConfig* conf, const char* tag)
2212 {
2213         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2214         {
2215                 User* u = (User*)(*u2);
2216                 u->exempt = false;
2217         }
2218
2219         conf->GetInstance()->XLines->CheckELines();
2220         return true;
2221 }
2222
2223 void ConfigReaderThread::Run()
2224 {
2225         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2226         ServerInstance->Config->Read(do_bail, TheUser);
2227         ServerInstance->Threads->Mutex(true);
2228         this->SetExitFlag();
2229         ServerInstance->Threads->Mutex(false);
2230 }
2231