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         *sid = *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 = Instance->SE->GetMaxFds();
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         maxbans.clear();
  57         DNSServerValidator = &ValidateDnsServer;
  58 }
  59
  60 void ServerConfig::ClearStack()
  61 {
  62         include_stack.clear();
  63 }
  64
  65 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  66 {
  67         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  68         return (x != SocketIOHookModule.end() ? x->second : NULL);
  69 }
  70
  71 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  72 {
  73         if (!GetIOHook(is))
  74         {
  75                 SocketIOHookModule[is] = iomod;
  76                 is->IsIOHooked = true;
  77                 return true;
  78         }
  79         else
  80         {
  81                 throw ModuleException("BufferedSocket derived class already hooked by another module");
  82                 return false;
  83         }
  84 }
  85
  86 bool ServerConfig::DelIOHook(BufferedSocket* is)
  87 {
  88         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  89         if (x != SocketIOHookModule.end())
  90         {
  91                 SocketIOHookModule.erase(x);
  92                 return true;
  93         }
  94         return false;
  95 }
  96
  97 void ServerConfig::Update005()
  98 {
  99         std::stringstream out(data005);
 100         std::string token;
 101         std::string line5;
 102         int token_counter = 0;
 103         isupport.clear();
 104         while (out >> token)
 105         {
 106                 line5 = line5 + token + " ";
 107                 token_counter++;
 108                 if (token_counter >= 13)
 109                 {
 110                         char buf[MAXBUF];
 111                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 112                         isupport.push_back(buf);
 113                         line5.clear();
 114                         token_counter = 0;
 115                 }
 116         }
 117         if (!line5.empty())
 118         {
 119                 char buf[MAXBUF];
 120                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 121                 isupport.push_back(buf);
 122         }
 123 }
 124
 125 void ServerConfig::Send005(User* user)
 126 {
 127         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 128                 user->WriteNumeric(005, "%s %s", user->nick, line->c_str());
 129 }
 130
 131 bool ServerConfig::CheckOnce(const char* tag, ConfigDataHash &newconf)
 132 {
 133         int count = ConfValueEnum(newconf, tag);
 134
 135         if (count > 1)
 136         {
 137                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 138                 return false;
 139         }
 140         if (count < 1)
 141         {
 142                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 143                 return false;
 144         }
 145         return true;
 146 }
 147
 148 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 149 {
 150         return true;
 151 }
 152
 153 bool DoneConfItem(ServerConfig* conf, const char* tag)
 154 {
 155         return true;
 156 }
 157
 158 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
 159 {
 160         for (const char* ptr = p; *ptr; ++ptr)
 161         {
 162                 if (*ptr == ' ')
 163                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
 164         }
 165 }
 166
 167 /* 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,
 168  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
 169  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
 170  */
 171 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
 172 {
 173         int num_dots = 0;
 174         int num_seps = 0;
 175         int not_numbers = false;
 176         int not_hex = false;
 177
 178         if (*p)
 179         {
 180                 if (*p == '.')
 181                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 182
 183                 for (const char* ptr = p; *ptr; ++ptr)
 184                 {
 185                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
 186                                 continue;
 187
 188                         if (*ptr != ':' && *ptr != '.')
 189                         {
 190                                 if (*ptr < '0' || *ptr > '9')
 191                                         not_numbers = true;
 192                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
 193                                         not_hex = true;
 194                         }
 195                         switch (*ptr)
 196                         {
 197                                 case ' ':
 198                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 199                                 case '.':
 200                                         num_dots++;
 201                                 break;
 202                                 case ':':
 203                                         num_seps++;
 204                                 break;
 205                         }
 206                 }
 207
 208                 if (num_dots > 3)
 209                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
 210
 211                 if (num_seps > 8)
 212                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
 213
 214                 if (num_seps == 0 && num_dots < 3 && !wild)
 215                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
 216
 217                 if (num_seps == 0 && num_dots == 3 && not_numbers)
 218                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
 219
 220                 if (num_seps != 0 && not_hex)
 221                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
 222
 223                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
 224                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
 225         }
 226 }
 227
 228 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
 229 {
 230         int num_dots = 0;
 231         if (*p)
 232         {
 233                 if (*p == '.')
 234                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 235                 for (const char* ptr = p; *ptr; ++ptr)
 236                 {
 237                         switch (*ptr)
 238                         {
 239                                 case ' ':
 240                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 241                                 case '.':
 242                                         num_dots++;
 243                                 break;
 244                         }
 245                 }
 246                 if (num_dots == 0)
 247                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 248         }
 249 }
 250
 251 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 252 {
 253         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 254         {
 255                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <security:maxtargets> value is greater than 31 or less than 0, set to 20.");
 256                 data.Set(20);
 257         }
 258         return true;
 259 }
 260
 261 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 262 {
 263         if ((data.GetInteger() < 1) || (data.GetInteger() > conf->GetInstance()->SE->GetMaxFds()))
 264         {
 265                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <performance:softlimit> value is greater than %d or less than 0, set to %d.",conf->GetInstance()->SE->GetMaxFds(),conf->GetInstance()->SE->GetMaxFds());
 266                 data.Set(conf->GetInstance()->SE->GetMaxFds());
 267         }
 268         return true;
 269 }
 270
 271 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 272 {
 273         if (data.GetInteger() > SOMAXCONN)
 274                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <performance:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 275         return true;
 276 }
 277
 278 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 279 {
 280         std::stringstream dcmds(data);
 281         std::string thiscmd;
 282
 283         /* Enable everything first */
 284         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 285                 x->second->Disable(false);
 286
 287         /* Now disable all the ones which the user wants disabled */
 288         while (dcmds >> thiscmd)
 289         {
 290                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 291                 if (cm != ServerInstance->Parser->cmdlist.end())
 292                 {
 293                         cm->second->Disable(true);
 294                 }
 295         }
 296         return true;
 297 }
 298
 299 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 300 {
 301         if (!*(data.GetString()))
 302         {
 303                 std::string nameserver;
 304                 // attempt to look up their nameserver from /etc/resolv.conf
 305                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 306                 std::ifstream resolv("/etc/resolv.conf");
 307                 bool found_server = false;
 308
 309                 if (resolv.is_open())
 310                 {
 311                         while (resolv >> nameserver)
 312                         {
 313                                 if ((nameserver == "nameserver") && (!found_server))
 314                                 {
 315                                         resolv >> nameserver;
 316                                         data.Set(nameserver.c_str());
 317                                         found_server = true;
 318                                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 319                                 }
 320                         }
 321
 322                         if (!found_server)
 323                         {
 324                                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 325                                 data.Set("127.0.0.1");
 326                         }
 327                 }
 328                 else
 329                 {
 330                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 331                         data.Set("127.0.0.1");
 332                 }
 333         }
 334         return true;
 335 }
 336
 337 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 338 {
 339         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server name");
 340         /* If we already have a servername, and they changed it, we should throw an exception. */
 341         if (!strchr(data.GetString(), '.'))
 342         {
 343                 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(),'.');
 344                 std::string moo = std::string(data.GetString()).append(".");
 345                 data.Set(moo.c_str());
 346         }
 347         conf->ValidateHostname(data.GetString(), "server", "name");
 348         return true;
 349 }
 350
 351 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 352 {
 353         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 354         {
 355                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 356                 data.Set(10240);
 357         }
 358         return true;
 359 }
 360
 361 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 362 {
 363         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 364         {
 365                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<performance:maxwho> size out of range, setting to default of 128.");
 366                 data.Set(128);
 367         }
 368         return true;
 369 }
 370
 371 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 372 {
 373         conf->ReadFile(conf->MOTD, data.GetString());
 374         return true;
 375 }
 376
 377 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 378 {
 379         if (!*data.GetString())
 380                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 381         return true;
 382 }
 383
 384 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 385 {
 386         conf->ReadFile(conf->RULES, data.GetString());
 387         return true;
 388 }
 389
 390 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 391 {
 392         memset(conf->HideModeLists, 0, 256);
 393         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 394                 conf->HideModeLists[*x] = true;
 395         return true;
 396 }
 397
 398 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 399 {
 400         memset(conf->ExemptChanOps, 0, 256);
 401         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 402                 conf->ExemptChanOps[*x] = true;
 403         return true;
 404 }
 405
 406 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 407 {
 408         std::string v = data.GetString();
 409
 410         if (v == "ops")
 411                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 412         else if (v == "all")
 413                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 414         else if (v == "dynamic")
 415                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 416         else
 417                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 418
 419         return true;
 420 }
 421
 422 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 423 {
 424         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server id");
 425
 426         const char *sid = data.GetString();
 427
 428         if (*sid && !conf->GetInstance()->IsSID(sid))
 429         {
 430                 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.");
 431         }
 432
 433         strlcpy(conf->sid, sid, 5);
 434
 435         return true;
 436 }
 437
 438 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 439 {
 440         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 441
 442         if (conf->WhoWasGroupSize < 0)
 443                 conf->WhoWasGroupSize = 0;
 444
 445         if (conf->WhoWasMaxGroups < 0)
 446                 conf->WhoWasMaxGroups = 0;
 447
 448         if (conf->WhoWasMaxKeep < 3600)
 449         {
 450                 conf->WhoWasMaxKeep = 3600;
 451                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 452         }
 453
 454         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 455         if (whowas_command)
 456         {
 457                 std::deque<classbase*> params;
 458                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 459         }
 460
 461         return true;
 462 }
 463
 464 /* Callback called before processing the first <connect> tag
 465  */
 466 bool InitConnect(ServerConfig* conf, const char*)
 467 {
 468         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
 469
 470         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 471         {
 472                 ConnectClass* c = *i;
 473
 474                 /* only delete a class with refcount 0 */
 475                 if (c->RefCount == 0)
 476                 {
 477                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
 478
 479                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 480                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 481                          * Now the increment is in the else { } below.
 482                          */
 483                         conf->Classes.erase(i);
 484                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 485                 }
 486                 else
 487                 {
 488                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 489                         c->SetDisabled(true);
 490                         i++;
 491                 }
 492         }
 493
 494         return true;
 495 }
 496
 497 /* Callback called to process a single <connect> tag
 498  */
 499 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 500 {
 501         ConnectClass c;
 502         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 503         const char* deny = values[1].GetString();
 504         const char* password = values[2].GetString();
 505         int timeout = values[3].GetInteger();
 506         int pingfreq = values[4].GetInteger();
 507         int flood = values[5].GetInteger();
 508         int threshold = values[6].GetInteger();
 509         int sendq = values[7].GetInteger();
 510         int recvq = values[8].GetInteger();
 511         int localmax = values[9].GetInteger();
 512         int globalmax = values[10].GetInteger();
 513         int port = values[11].GetInteger();
 514         const char* name = values[12].GetString();
 515         const char* parent = values[13].GetString();
 516         int maxchans = values[14].GetInteger();
 517         unsigned long limit = values[15].GetInteger();
 518         const char* hashtype = values[16].GetString();
 519
 520         /*
 521          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 522          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 523          */
 524         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 525         {
 526                 ConnectClass* cc = *item;
 527                 if (
 528                          (*name && (cc->GetName() == name)) ||
 529                          (*allow && (cc->GetHost() == allow)) ||
 530                          (*deny && (cc->GetHost() == deny)) ||
 531                          (port && (cc->GetPort() == port))
 532                    )
 533                 {
 534                         /* reenable class so users can be shoved into it :P */
 535                         cc->SetDisabled(false);
 536                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
 537                         return true;
 538                 }
 539         }
 540
 541         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
 542
 543         if (*parent)
 544         {
 545                 /* Find 'parent' and inherit a new class from it,
 546                  * then overwrite any values that are set here
 547                  */
 548                 ClassVector::iterator item = conf->Classes.begin();
 549                 for (; item != conf->Classes.end(); ++item)
 550                 {
 551                         ConnectClass* cc = *item;
 552                         conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
 553                         if (cc->GetName() == parent)
 554                         {
 555                                 ConnectClass* newclass = new ConnectClass(name, cc);
 556                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 557                                 conf->Classes.push_back(newclass);
 558                                 break;
 559                         }
 560                 }
 561                 if (item == conf->Classes.end())
 562                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 563         }
 564         else
 565         {
 566                 if (*allow)
 567                 {
 568                         /* Find existing class by mask, the mask should be unique */
 569                         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 570                         {
 571                                 if ((*item)->GetHost() == allow)
 572                                 {
 573                                         (*item)->Update(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 574                                         return true;
 575                                 }
 576                         }
 577                         ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
 578                         cc->limit = limit;
 579                         cc->SetPort(port);
 580                         conf->Classes.push_back(cc);
 581                 }
 582                 else
 583                 {
 584                         /* Find existing class by mask, the mask should be unique */
 585                         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 586                         {
 587                                 if ((*item)->GetHost() == deny)
 588                                 {
 589                                         (*item)->Update(name, deny);
 590                                         (*item)->SetPort(port);
 591                                         return true;
 592                                 }
 593                         }
 594                         ConnectClass* cc = new ConnectClass(name, deny);
 595                         cc->SetPort(port);
 596                         conf->Classes.push_back(cc);
 597                 }
 598         }
 599
 600         return true;
 601 }
 602
 603 /* Callback called when there are no more <connect> tags
 604  */
 605 bool DoneConnect(ServerConfig *conf, const char*)
 606 {
 607         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
 608         return true;
 609 }
 610
 611 /* Callback called before processing the first <uline> tag
 612  */
 613 bool InitULine(ServerConfig* conf, const char*)
 614 {
 615         conf->ulines.clear();
 616         return true;
 617 }
 618
 619 /* Callback called to process a single <uline> tag
 620  */
 621 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 622 {
 623         const char* server = values[0].GetString();
 624         const bool silent = values[1].GetBool();
 625         conf->ulines[server] = silent;
 626         return true;
 627 }
 628
 629 /* Callback called when there are no more <uline> tags
 630  */
 631 bool DoneULine(ServerConfig*, const char*)
 632 {
 633         return true;
 634 }
 635
 636 /* Callback called before processing the first <module> tag
 637  */
 638 bool InitModule(ServerConfig* conf, const char*)
 639 {
 640         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 641         new_module_names.clear();
 642         added_modules.clear();
 643         removed_modules.clear();
 644         return true;
 645 }
 646
 647 /* Callback called to process a single <module> tag
 648  */
 649 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 650 {
 651         const char* modname = values[0].GetString();
 652         new_module_names.push_back(modname);
 653         return true;
 654 }
 655
 656 /* Callback called when there are no more <module> tags
 657  */
 658 bool DoneModule(ServerConfig*, const char*)
 659 {
 660         // now create a list of new modules that are due to be loaded
 661         // and a seperate list of modules which are due to be unloaded
 662         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 663         {
 664                 bool added = true;
 665
 666                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 667                 {
 668                         if (*old == *_new)
 669                                 added = false;
 670                 }
 671
 672                 if (added)
 673                         added_modules.push_back(*_new);
 674         }
 675
 676         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 677         {
 678                 bool removed = true;
 679                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 680                 {
 681                         if (*newm == *oldm)
 682                                 removed = false;
 683                 }
 684
 685                 if (removed)
 686                         removed_modules.push_back(*oldm);
 687         }
 688         return true;
 689 }
 690
 691 /* Callback called before processing the first <banlist> tag
 692  */
 693 bool InitMaxBans(ServerConfig* conf, const char*)
 694 {
 695         conf->maxbans.clear();
 696         return true;
 697 }
 698
 699 /* Callback called to process a single <banlist> tag
 700  */
 701 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 702 {
 703         const char* channel = values[0].GetString();
 704         int limit = values[1].GetInteger();
 705         conf->maxbans[channel] = limit;
 706         return true;
 707 }
 708
 709 /* Callback called when there are no more <banlist> tags.
 710  */
 711 bool DoneMaxBans(ServerConfig*, const char*)
 712 {
 713         return true;
 714 }
 715
 716 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 717 {
 718         ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 719         if (bail)
 720         {
 721                 /* Unneeded because of the ServerInstance->Log() aboive? */
 722                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 723                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 724         }
 725         else
 726         {
 727                 std::string errors = errormessage;
 728                 std::string::size_type start;
 729                 unsigned int prefixlen;
 730                 start = 0;
 731                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 732                 if (user)
 733                 {
 734                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 735                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 736                         while (start < errors.length())
 737                         {
 738                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 739                                 start += 510 - prefixlen;
 740                         }
 741                 }
 742                 else
 743                 {
 744                         ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
 745                         while (start < errors.length())
 746                         {
 747                                 ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360));
 748                                 start += 360;
 749                         }
 750                 }
 751                 return;
 752         }
 753 }
 754
 755 void ServerConfig::Read(bool bail, User* user)
 756 {
 757         int rem = 0, add = 0;      /* Number of modules added, number of modules removed */
 758
 759         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 760         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 761         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 762         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 763         errstr.clear();
 764
 765         include_stack.clear();
 766
 767         /* These tags MUST occur and must ONLY occur once in the config file */
 768         static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 769
 770         Deprecated ChangedConfig[] = {
 771                 {"options",     "hidelinks",            "has been moved to <security:hidelinks> as of 1.2a3"},
 772                 {"options",     "hidewhois",            "has been moved to <security:hidewhois> as of 1.2a3"},
 773                 {"options",     "userstats",            "has been moved to <security:userstats> as of 1.2a3"},
 774                 {"options",     "customversion",        "has been moved to <security:customversion> as of 1.2a3"},
 775                 {"options",     "hidesplits",           "has been moved to <security:hidesplits> as of 1.2a3"},
 776                 {"options",     "hidebans",             "has been moved to <security:hidebans> as of 1.2a3"},
 777                 {"options",     "hidekills",            "has been moved to <security:hidekills> as of 1.2a3"},
 778                 {"options",     "operspywhois",         "has been moved to <security:operspywhois> as of 1.2a3"},
 779                 {"options",     "announceinvites",      "has been moved to <security:announceinvites> as of 1.2a3"},
 780                 {"options",     "hidemodes",            "has been moved to <security:hidemodes> as of 1.2a3"},
 781                 {"options",     "maxtargets",           "has been moved to <security:maxtargets> as of 1.2a3"},
 782                 {"options",     "nouserdns",            "has been moved to <performance:nouserdns> as of 1.2a3"},
 783                 {"options",     "maxwho",               "has been moved to <performance:maxwho> as of 1.2a3"},
 784                 {"options",     "softlimit",            "has been moved to <performance:softlimit> as of 1.2a3"},
 785                 {"options",     "somaxconn",            "has been moved to <performance:somaxconn> as of 1.2a3"},
 786                 {"options",     "netbuffersize",        "has been moved to <performance:netbuffersize> as of 1.2a3"},
 787                 {"options",     "maxwho",               "has been moved to <performance:maxwho> as of 1.2a3"},
 788                 {"options",     "loglevel",             "1.2 does not use the loglevel value. Please define <log> tags instead."},
 789                 {NULL,          NULL,                   NULL}
 790         };
 791
 792         /* These tags can occur ONCE or not at all */
 793         InitialConfig Values[] = {
 794                 {"performance", "softlimit",    "0",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 795                 {"performance", "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 796                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 797                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME|DT_BOOTONLY, ValidateServerName},
 798                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 799                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 800                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR|DT_BOOTONLY,  ValidateSID},
 801                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 802                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 803                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 804                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 805                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 806                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 807                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 808                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  NoValidation},
 809                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 810                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 811                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 812                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 813                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 814                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 815                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 816                 {"performance", "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 817                 {"performance", "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 818                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 819                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 820                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 821                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 822                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 823                 {"security",    "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 824                 {"security",    "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 825                 {"security",    "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 826                 {"security",    "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 827                 {"security",    "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 828                 {"security",    "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 829                 {"security",    "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 830                 {"performance", "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 831                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 832                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 833                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 834                 {"security",    "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 835                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 836                 {"security",    "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 837                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 838                 {"security",    "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 839                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 840                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 841                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 842                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 843                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 844                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 845                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 846                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 847                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 848         };
 849
 850         /* These tags can occur multiple times, and therefore they have special code to read them
 851          * which is different to the code for reading the singular tags listed above.
 852          */
 853         MultiConfig MultiValues[] = {
 854
 855                 {"connect",
 856                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 857                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 858                                 "name",         "parent",       "maxchans",     "limit",        "hash",
 859                                 NULL},
 860                                 {"",            "",             "",             "",             "120",          "",
 861                                  "",            "",             "",             "3",            "3",            "0",
 862                                  "",            "",             "0",        "0",        "",
 863                                  NULL},
 864                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 865                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 866                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 867                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 868                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
 869                                 InitConnect, DoConnect, DoneConnect},
 870
 871                 {"uline",
 872                                 {"server",      "silent",       NULL},
 873                                 {"",            "0",            NULL},
 874                                 {DT_HOSTNAME,   DT_BOOLEAN},
 875                                 InitULine,DoULine,DoneULine},
 876
 877                 {"banlist",
 878                                 {"chan",        "limit",        NULL},
 879                                 {"",            "",             NULL},
 880                                 {DT_CHARPTR,    DT_INTEGER},
 881                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 882
 883                 {"module",
 884                                 {"name",        NULL},
 885                                 {"",            NULL},
 886                                 {DT_CHARPTR},
 887                                 InitModule, DoModule, DoneModule},
 888
 889                 {"badip",
 890                                 {"reason",      "ipmask",       NULL},
 891                                 {"No reason",   "",             NULL},
 892                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 893                                 InitXLine, DoZLine, DoneConfItem},
 894
 895                 {"badnick",
 896                                 {"reason",      "nick",         NULL},
 897                                 {"No reason",   "",             NULL},
 898                                 {DT_CHARPTR,    DT_CHARPTR},
 899                                 InitXLine, DoQLine, DoneConfItem},
 900
 901                 {"badhost",
 902                                 {"reason",      "host",         NULL},
 903                                 {"No reason",   "",             NULL},
 904                                 {DT_CHARPTR,    DT_CHARPTR},
 905                                 InitXLine, DoKLine, DoneConfItem},
 906
 907                 {"exception",
 908                                 {"reason",      "host",         NULL},
 909                                 {"No reason",   "",             NULL},
 910                                 {DT_CHARPTR,    DT_CHARPTR},
 911                                 InitXLine, DoELine, DoneELine},
 912
 913                 {"type",
 914                                 {"name",        "classes",      NULL},
 915                                 {"",            "",             NULL},
 916                                 {DT_NOSPACES,   DT_CHARPTR},
 917                                 InitTypes, DoType, DoneClassesAndTypes},
 918
 919                 {"class",
 920                                 {"name",        "commands",     "usermodes",    "chanmodes",    NULL},
 921                                 {"",            "",             "",             "",             NULL},
 922                                 {DT_NOSPACES,   DT_CHARPTR,     DT_CHARPTR,     DT_CHARPTR},
 923                                 InitClasses, DoClass, DoneClassesAndTypes},
 924
 925                 {NULL,
 926                                 {NULL},
 927                                 {NULL},
 928                                 {0},
 929                                 NULL, NULL, NULL}
 930         };
 931
 932         /* Load and parse the config file, if there are any errors then explode */
 933
 934         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 935         newconfig.clear();
 936
 937         if (!this->DoInclude(newconfig, ServerInstance->ConfigFileName, errstr))
 938         {
 939                 ReportConfigError(errstr.str(), bail, user);
 940                 return;
 941         }
 942
 943         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 944         try
 945         {
 946                 /* Check we dont have more than one of singular tags, or any of them missing
 947                  */
 948                 for (int Index = 0; Once[Index]; Index++)
 949                         if (!CheckOnce(Once[Index], newconfig))
 950                                 return;
 951
 952                 for (int Index = 0; ChangedConfig[Index].tag; Index++)
 953                 {
 954                         char item[MAXBUF];
 955                         *item = 0;
 956                         if (ConfValue(newconfig, ChangedConfig[Index].tag, ChangedConfig[Index].value, "", 0, item, MAXBUF, true) || *item)
 957                                 throw CoreException(std::string("Your configuration contains a deprecated value: <") + ChangedConfig[Index].tag + ":" + ChangedConfig[Index].value + "> - " + ChangedConfig[Index].reason);
 958                         else
 959                                 ServerInstance->Logs->Log("CONFIG",DEBUG,"Deprecated item <%s:%s> does not exist, good.", ChangedConfig[Index].tag, ChangedConfig[Index].value);
 960                 }
 961
 962                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 963                  */
 964                 for (int Index = 0; Values[Index].tag; Index++)
 965                 {
 966                         char item[MAXBUF];
 967                         int dt = Values[Index].datatype;
 968                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 969                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 970                         bool bootonly = ((dt & DT_BOOTONLY) > 0);
 971                         dt &= ~DT_ALLOW_NEWLINE;
 972                         dt &= ~DT_ALLOW_WILD;
 973                         dt &= ~DT_BOOTONLY;
 974
 975                         /* Silently ignore boot only values */
 976                         if (bootonly && !bail)
 977                                 continue;
 978
 979                         ConfValue(newconfig, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 980                         ValueItem vi(item);
 981
 982                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 983                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 984
 985                         ServerInstance->Threads->Mutex(true);
 986                         switch (dt)
 987                         {
 988                                 case DT_NOSPACES:
 989                                 {
 990                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 991                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 992                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 993                                 }
 994                                 break;
 995                                 case DT_HOSTNAME:
 996                                 {
 997                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 998                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 999                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1000                                         ServerInstance->Logs->Log("CONFIG",DEFAULT,"Got %s", vi.GetString());
1001                                 }
1002                                 break;
1003                                 case DT_IPADDRESS:
1004                                 {
1005                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1006                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1007                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1008                                 }
1009                                 break;
1010                                 case DT_CHANNEL:
1011                                 {
1012                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1013                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1014                                         {
1015                                                 ServerInstance->Threads->Mutex(false);
1016                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1017                                         }
1018                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1019                                 }
1020                                 break;
1021                                 case DT_CHARPTR:
1022                                 {
1023                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1024                                         /* Make sure we also copy the null terminator */
1025                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1026                                 }
1027                                 break;
1028                                 case DT_INTEGER:
1029                                 {
1030                                         int val = vi.GetInteger();
1031                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1032                                         vci->Set(&val, sizeof(int));
1033                                 }
1034                                 break;
1035                                 case DT_BOOLEAN:
1036                                 {
1037                                         bool val = vi.GetBool();
1038                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1039                                         vcb->Set(&val, sizeof(bool));
1040                                 }
1041                                 break;
1042                                 default:
1043                                         /* You don't want to know what happens if someones bad code sends us here. */
1044                                 break;
1045                         }
1046                         /* We're done with this now */
1047                         delete Values[Index].val;
1048                         ServerInstance->Threads->Mutex(false);
1049                 }
1050
1051                 /* Read the multiple-tag items (class tags, connect tags, etc)
1052                  * and call the callbacks associated with them. We have three
1053                  * callbacks for these, a 'start', 'item' and 'end' callback.
1054                  */
1055                 for (int Index = 0; MultiValues[Index].tag; Index++)
1056                 {
1057                         ServerInstance->Threads->Mutex(true);
1058                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1059                         ServerInstance->Threads->Mutex(false);
1060
1061                         int number_of_tags = ConfValueEnum(newconfig, MultiValues[Index].tag);
1062
1063                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1064                         {
1065                                 ValueList vl;
1066                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1067                                 {
1068                                         int dt = MultiValues[Index].datatype[valuenum];
1069                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1070                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1071                                         dt &= ~DT_ALLOW_NEWLINE;
1072                                         dt &= ~DT_ALLOW_WILD;
1073
1074                                         ServerInstance->Threads->Mutex(true);
1075                                         /* We catch and rethrow any exception here just so we can free our mutex
1076                                          */
1077                                         try
1078                                         {
1079                                                 switch (dt)
1080                                                 {
1081                                                         case DT_NOSPACES:
1082                                                         {
1083                                                                 char item[MAXBUF];
1084                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1085                                                                         vl.push_back(ValueItem(item));
1086                                                                 else
1087                                                                         vl.push_back(ValueItem(""));
1088                                                                 this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1089                                                         }
1090                                                         break;
1091                                                         case DT_HOSTNAME:
1092                                                         {
1093                                                                 char item[MAXBUF];
1094                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1095                                                                         vl.push_back(ValueItem(item));
1096                                                                 else
1097                                                                         vl.push_back(ValueItem(""));
1098                                                                 this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1099                                                         }
1100                                                         break;
1101                                                         case DT_IPADDRESS:
1102                                                         {
1103                                                                 char item[MAXBUF];
1104                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1105                                                                         vl.push_back(ValueItem(item));
1106                                                                 else
1107                                                                         vl.push_back(ValueItem(""));
1108                                                                 this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1109                                                         }
1110                                                         break;
1111                                                         case DT_CHANNEL:
1112                                                         {
1113                                                                 char item[MAXBUF];
1114                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1115                                                                         vl.push_back(ValueItem(item));
1116                                                                 else
1117                                                                         vl.push_back(ValueItem(""));
1118                                                                 if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1119                                                                         throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1120                                                         }
1121                                                         break;
1122                                                         case DT_CHARPTR:
1123                                                         {
1124                                                                 char item[MAXBUF];
1125                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1126                                                                         vl.push_back(ValueItem(item));
1127                                                                 else
1128                                                                         vl.push_back(ValueItem(""));
1129                                                         }
1130                                                         break;
1131                                                         case DT_INTEGER:
1132                                                         {
1133                                                                 int item = 0;
1134                                                                 if (ConfValueInteger(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1135                                                                         vl.push_back(ValueItem(item));
1136                                                                 else
1137                                                                         vl.push_back(ValueItem(0));
1138                                                         }
1139                                                         break;
1140                                                         case DT_BOOLEAN:
1141                                                         {
1142                                                                 bool item = ConfValueBool(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1143                                                                 vl.push_back(ValueItem(item));
1144                                                         }
1145                                                         break;
1146                                                         default:
1147                                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
1148                                                         break;
1149                                                 }
1150                                         }
1151                                         catch (CoreException &e)
1152                                         {
1153                                                 ServerInstance->Threads->Mutex(false);
1154                                                 throw e;
1155                                         }
1156                                         ServerInstance->Threads->Mutex(false);
1157                                 }
1158                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1159                         }
1160                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1161                 }
1162
1163         }
1164
1165         catch (CoreException &ce)
1166         {
1167                 ReportConfigError(ce.GetReason(), bail, user);
1168                 return;
1169         }
1170
1171         ServerInstance->Threads->Mutex(true);
1172         for (int i = 0; i < ConfValueEnum(newconfig, "type"); ++i)
1173         {
1174                 char item[MAXBUF], classn[MAXBUF], classes[MAXBUF];
1175                 std::string classname;
1176                 ConfValue(newconfig, "type", "classes", "", i, classes, MAXBUF, false);
1177                 irc::spacesepstream str(classes);
1178                 ConfValue(newconfig, "type", "name", "", i, item, MAXBUF, false);
1179                 while (str.GetToken(classname))
1180                 {
1181                         std::string lost;
1182                         bool foundclass = false;
1183                         for (int j = 0; j < ConfValueEnum(newconfig, "class"); ++j)
1184                         {
1185                                 ConfValue(newconfig, "class", "name", "", j, classn, MAXBUF, false);
1186                                 if (!strcmp(classn, classname.c_str()))
1187                                 {
1188                                         foundclass = true;
1189                                         break;
1190                                 }
1191                         }
1192                         if (!foundclass)
1193                         {
1194                                 if (user)
1195                                         user->WriteServ("NOTICE %s :*** Warning: Oper type '%s' has a missing class named '%s', this does nothing!", user->nick, item, classname.c_str());
1196                                 else
1197                                 {
1198                                         if (bail)
1199                                                 printf("Warning: Oper type '%s' has a missing class named '%s', this does nothing!\n", item, classname.c_str());
1200                                         else
1201                                                 ServerInstance->SNO->WriteToSnoMask('A', "Warning: Oper type '%s' has a missing class named '%s', this does nothing!", item, classname.c_str());
1202                                 }
1203                         }
1204                 }
1205         }
1206
1207         /* If we succeeded, set the ircd config to the new one */
1208         this->config_data = newconfig;
1209
1210         ServerInstance->Threads->Mutex(false);
1211
1212         // write once here, to try it out and make sure its ok
1213         ServerInstance->WritePID(this->PID);
1214
1215         /* Switch over logfiles */
1216         ServerInstance->Logs->CloseLogs();
1217         ServerInstance->Logs->OpenFileLogs();
1218
1219         ServerInstance->Logs->Log("CONFIG", DEFAULT, "Done reading configuration file.");
1220
1221         /* If we're rehashing, let's load any new modules, and unload old ones
1222          */
1223         if (!bail)
1224         {
1225                 int found_ports = 0;
1226                 FailedPortList pl;
1227                 ServerInstance->BindPorts(false, found_ports, pl);
1228
1229                 if (pl.size() && user)
1230                 {
1231                         ServerInstance->Threads->Mutex(true);
1232                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1233                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1234                         int j = 1;
1235                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1236                         {
1237                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1238                         }
1239                         ServerInstance->Threads->Mutex(false);
1240                 }
1241
1242                 ServerInstance->Threads->Mutex(true);
1243                 if (!removed_modules.empty())
1244                 {
1245                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1246                         {
1247                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1248                                 {
1249                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str());
1250
1251                                         if (user)
1252                                                 user->WriteNumeric(973, "%s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1253
1254                                         rem++;
1255                                 }
1256                                 else
1257                                 {
1258                                         if (user)
1259                                                 user->WriteNumeric(972, "%s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str());
1260                                 }
1261                         }
1262                 }
1263
1264                 if (!added_modules.empty())
1265                 {
1266                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1267                         {
1268                                 if (ServerInstance->Modules->Load(adding->c_str()))
1269                                 {
1270                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str());
1271
1272                                         if (user)
1273                                                 user->WriteNumeric(975, "%s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1274
1275                                         add++;
1276                                 }
1277                                 else
1278                                 {
1279                                         if (user)
1280                                                 user->WriteNumeric(974, "%s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str());
1281                                 }
1282                         }
1283                 }
1284
1285                 ServerInstance->Logs->Log("CONFIG", DEFAULT, "Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
1286
1287                 ServerInstance->Threads->Mutex(false);
1288
1289         }
1290
1291         /** Note: This is safe, the method checks for user == NULL */
1292         ServerInstance->Threads->Mutex(true);
1293         ServerInstance->Parser->SetupCommandTable(user);
1294         ServerInstance->Threads->Mutex(false);
1295
1296         if (user)
1297                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1298         else
1299                 ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server.");
1300
1301 }
1302
1303
1304 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const char* filename, std::ostringstream &errorstream)
1305 {
1306         std::string line;
1307         char ch;
1308         long linenumber;
1309         bool in_tag;
1310         bool in_quote;
1311         bool in_comment;
1312         int character_count = 0;
1313
1314         linenumber = 1;
1315         in_tag = false;
1316         in_quote = false;
1317         in_comment = false;
1318
1319         ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading %s", filename);
1320
1321         /* Check if the file open failed first */
1322         if (!conf)
1323         {
1324                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1325                 return false;
1326         }
1327
1328         for (unsigned int t = 0; t < include_stack.size(); t++)
1329         {
1330                 if (std::string(filename) == include_stack[t])
1331                 {
1332                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1333                         return false;
1334                 }
1335         }
1336
1337         /* It's not already included, add it to the list of files we've loaded */
1338         include_stack.push_back(filename);
1339
1340         /* Start reading characters... */
1341         while ((ch = fgetc(conf)) != EOF)
1342         {
1343                 /*
1344                  * Fix for moronic windows issue spotted by Adremelech.
1345                  * Some windows editors save text files as utf-16, which is
1346                  * a total pain in the ass to parse. Users should save in the
1347                  * right config format! If we ever see a file where the first
1348                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1349                  * this is most likely a utf-16 file. Bail out and insult user.
1350                  */
1351                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1352                 {
1353                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1354                         return false;
1355                 }
1356
1357                 /*
1358                  * Here we try and get individual tags on separate lines,
1359                  * this would be so easy if we just made people format
1360                  * their config files like that, but they don't so...
1361                  * We check for a '<' and then know the line is over when
1362                  * we get a '>' not inside quotes. If we find two '<' and
1363                  * no '>' then die with an error.
1364                  */
1365
1366                 if ((ch == '#') && !in_quote)
1367                         in_comment = true;
1368
1369                 switch (ch)
1370                 {
1371                         case '\n':
1372                                 if (in_quote)
1373                                         line += '\n';
1374                                 linenumber++;
1375                         case '\r':
1376                                 if (!in_quote)
1377                                         in_comment = false;
1378                         case '\0':
1379                                 continue;
1380                         case '\t':
1381                                 ch = ' ';
1382                 }
1383
1384                 if(in_comment)
1385                         continue;
1386
1387                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1388                  * Note that this WILL NOT usually allow insertion of newlines,
1389                  * because a newline is two characters long. Use it primarily to
1390                  * insert the " symbol.
1391                  *
1392                  * Note that this also involves a further check when parsing the line,
1393                  * which can be found below.
1394                  */
1395                 if ((ch == '\\') && (in_quote) && (in_tag))
1396                 {
1397                         line += ch;
1398                         char real_character;
1399                         if (!feof(conf))
1400                         {
1401                                 real_character = fgetc(conf);
1402                                 if (real_character == 'n')
1403                                         real_character = '\n';
1404                                 line += real_character;
1405                                 continue;
1406                         }
1407                         else
1408                         {
1409                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1410                                 return false;
1411                         }
1412                 }
1413
1414                 if (ch != '\r')
1415                         line += ch;
1416
1417                 if (ch == '<')
1418                 {
1419                         if (in_tag)
1420                         {
1421                                 if (!in_quote)
1422                                 {
1423                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1424                                         return false;
1425                                 }
1426                         }
1427                         else
1428                         {
1429                                 if (in_quote)
1430                                 {
1431                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1432                                         return false;
1433                                 }
1434                                 else
1435                                 {
1436                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1437                                         in_tag = true;
1438                                 }
1439                         }
1440                 }
1441                 else if (ch == '"')
1442                 {
1443                         if (in_tag)
1444                         {
1445                                 if (in_quote)
1446                                 {
1447                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1448                                         in_quote = false;
1449                                 }
1450                                 else
1451                                 {
1452                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1453                                         in_quote = true;
1454                                 }
1455                         }
1456                         else
1457                         {
1458                                 if (in_quote)
1459                                 {
1460                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1461                                 }
1462                                 else
1463                                 {
1464                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1465                                 }
1466                         }
1467                 }
1468                 else if (ch == '>')
1469                 {
1470                         if (!in_quote)
1471                         {
1472                                 if (in_tag)
1473                                 {
1474                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1475                                         in_tag = false;
1476
1477                                         /*
1478                                          * If this finds an <include> then ParseLine can simply call
1479                                          * LoadConf() and load the included config into the same ConfigDataHash
1480                                          */
1481                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1482                                                 return false;
1483
1484                                         line.clear();
1485                                 }
1486                                 else
1487                                 {
1488                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1489                                         return false;
1490                                 }
1491                         }
1492                 }
1493         }
1494
1495         /* 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 */
1496         if (in_comment || in_quote)
1497         {
1498                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1499                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1500         }
1501
1502         return true;
1503 }
1504
1505
1506 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream)
1507 {
1508         return this->LoadConf(target, conf, filename.c_str(), errorstream);
1509 }
1510
1511 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1512 {
1513         std::string tagname;
1514         std::string current_key;
1515         std::string current_value;
1516         KeyValList results;
1517         bool got_name;
1518         bool got_key;
1519         bool in_quote;
1520
1521         got_name = got_key = in_quote = false;
1522
1523         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1524         {
1525                 if (!got_name)
1526                 {
1527                         /* We don't know the tag name yet. */
1528
1529                         if (*c != ' ')
1530                         {
1531                                 if (*c != '<')
1532                                 {
1533                                         tagname += *c;
1534                                 }
1535                         }
1536                         else
1537                         {
1538                                 /* We got to a space, we should have the tagname now. */
1539                                 if(tagname.length())
1540                                 {
1541                                         got_name = true;
1542                                 }
1543                         }
1544                 }
1545                 else
1546                 {
1547                         /* We have the tag name */
1548                         if (!got_key)
1549                         {
1550                                 /* We're still reading the key name */
1551                                 if (*c != '=')
1552                                 {
1553                                         if (*c != ' ')
1554                                         {
1555                                                 current_key += *c;
1556                                         }
1557                                 }
1558                                 else
1559                                 {
1560                                         /* We got an '=', end of the key name. */
1561                                         got_key = true;
1562                                 }
1563                         }
1564                         else
1565                         {
1566                                 /* We have the key name, now we're looking for quotes and the value */
1567
1568                                 /* Correctly handle escaped characters here.
1569                                  * See the XXX'ed section above.
1570                                  */
1571                                 if ((*c == '\\') && (in_quote))
1572                                 {
1573                                         c++;
1574                                         if (*c == 'n')
1575                                                 current_value += '\n';
1576                                         else
1577                                                 current_value += *c;
1578                                         continue;
1579                                 }
1580                                 else if ((*c == '\n') && (in_quote))
1581                                 {
1582                                         /* Got a 'real' \n, treat it as part of the value */
1583                                         current_value += '\n';
1584                                         linenumber++;
1585                                         continue;
1586                                 }
1587                                 else if ((*c == '\r') && (in_quote))
1588                                         /* Got a \r, drop it */
1589                                         continue;
1590
1591                                 if (*c == '"')
1592                                 {
1593                                         if (!in_quote)
1594                                         {
1595                                                 /* We're not already in a quote. */
1596                                                 in_quote = true;
1597                                         }
1598                                         else
1599                                         {
1600                                                 /* Leaving the quotes, we have the current value */
1601                                                 results.push_back(KeyVal(current_key, current_value));
1602
1603                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1604
1605                                                 in_quote = false;
1606                                                 got_key = false;
1607
1608                                                 if ((tagname == "include") && (current_key == "file"))
1609                                                 {
1610                                                         if (!this->DoInclude(target, current_value, errorstream))
1611                                                                 return false;
1612                                                 }
1613                                                 else if ((tagname == "include") && (current_key == "executable"))
1614                                                 {
1615                                                         /* Pipe an executable and use its stdout as config data */
1616                                                         if (!this->DoPipe(target, current_value, errorstream))
1617                                                                 return false;
1618                                                 }
1619
1620                                                 current_key.clear();
1621                                                 current_value.clear();
1622                                         }
1623                                 }
1624                                 else
1625                                 {
1626                                         if (in_quote)
1627                                         {
1628                                                 current_value += *c;
1629                                         }
1630                                 }
1631                         }
1632                 }
1633         }
1634
1635         /* Finished parsing the tag, add it to the config hash */
1636         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1637
1638         return true;
1639 }
1640
1641 bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1642 {
1643         FILE* conf = popen(file.c_str(), "r");
1644         bool ret = false;
1645
1646         if (conf)
1647         {
1648                 ret = LoadConf(target, conf, file.c_str(), errorstream);
1649                 pclose(conf);
1650         }
1651         else
1652                 errorstream << "Couldn't execute: " << file << std::endl;
1653
1654         return ret;
1655 }
1656
1657 bool ServerConfig::StartsWithWindowsDriveLetter(const std::string &path)
1658 {
1659         return (path.length() > 2 && isalpha(path[0]) && path[1] == ':');
1660 }
1661
1662 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1663 {
1664         std::string confpath;
1665         std::string newfile;
1666         std::string::size_type pos;
1667
1668         confpath = ServerInstance->ConfigFileName;
1669         newfile = file;
1670
1671         std::replace(newfile.begin(),newfile.end(),'\\','/');
1672         std::replace(confpath.begin(),confpath.end(),'\\','/');
1673
1674         if ((newfile[0] != '/') && (!StartsWithWindowsDriveLetter(newfile)))
1675         {
1676                 if((pos = confpath.rfind("/")) != std::string::npos)
1677                 {
1678                         /* Leaves us with just the path */
1679                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1680                 }
1681                 else
1682                 {
1683                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1684                         return false;
1685                 }
1686         }
1687
1688         FILE* conf = fopen(newfile.c_str(), "r");
1689         bool ret = false;
1690
1691         if (conf)
1692         {
1693                 ret = LoadConf(target, conf, newfile, errorstream);
1694                 fclose(conf);
1695         }
1696         else
1697                 errorstream << "Couldn't open config file: " << file << std::endl;
1698
1699         return ret;
1700 }
1701
1702 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1703 {
1704         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1705 }
1706
1707 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1708 {
1709         std::string value;
1710         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1711         strlcpy(result, value.c_str(), length);
1712         return r;
1713 }
1714
1715 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1716 {
1717         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1718 }
1719
1720 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)
1721 {
1722         ConfigDataHash::size_type pos = index;
1723         if (pos < target.count(tag))
1724         {
1725                 ConfigDataHash::iterator iter = target.find(tag);
1726
1727                 for(int i = 0; i < index; i++)
1728                         iter++;
1729
1730                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1731                 {
1732                         if(j->first == var)
1733                         {
1734                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1735                                 {
1736                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1737                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1738                                                 if (*n == '\n')
1739                                                         *n = ' ';
1740                                 }
1741                                 else
1742                                 {
1743                                         result = j->second;
1744                                         return true;
1745                                 }
1746                         }
1747                 }
1748                 if (!default_value.empty())
1749                 {
1750                         result = default_value;
1751                         return true;
1752                 }
1753         }
1754         else if (pos == 0)
1755         {
1756                 if (!default_value.empty())
1757                 {
1758                         result = default_value;
1759                         return true;
1760                 }
1761         }
1762         return false;
1763 }
1764
1765 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1766 {
1767         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1768 }
1769
1770 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1771 {
1772         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1773 }
1774
1775 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1776 {
1777         return ConfValueInteger(target, tag, var, "", index, result);
1778 }
1779
1780 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1781 {
1782         std::string value;
1783         std::istringstream stream;
1784         bool r = ConfValue(target, tag, var, default_value, index, value);
1785         stream.str(value);
1786         if(!(stream >> result))
1787                 return false;
1788         else
1789         {
1790                 if (!value.empty())
1791                 {
1792                         if (value.substr(0,2) == "0x")
1793                         {
1794                                 char* endptr;
1795
1796                                 value.erase(0,2);
1797                                 result = strtol(value.c_str(), &endptr, 16);
1798
1799                                 /* No digits found */
1800                                 if (endptr == value.c_str())
1801                                         return false;
1802                         }
1803                         else
1804                         {
1805                                 char denominator = *(value.end() - 1);
1806                                 switch (toupper(denominator))
1807                                 {
1808                                         case 'K':
1809                                                 /* Kilobytes -> bytes */
1810                                                 result = result * 1024;
1811                                         break;
1812                                         case 'M':
1813                                                 /* Megabytes -> bytes */
1814                                                 result = result * 1024 * 1024;
1815                                         break;
1816                                         case 'G':
1817                                                 /* Gigabytes -> bytes */
1818                                                 result = result * 1024 * 1024 * 1024;
1819                                         break;
1820                                 }
1821                         }
1822                 }
1823         }
1824         return r;
1825 }
1826
1827
1828 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1829 {
1830         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1831 }
1832
1833 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1834 {
1835         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1836 }
1837
1838 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1839 {
1840         return ConfValueBool(target, tag, var, "", index);
1841 }
1842
1843 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1844 {
1845         std::string result;
1846         if(!ConfValue(target, tag, var, default_value, index, result))
1847                 return false;
1848
1849         return ((result == "yes") || (result == "true") || (result == "1"));
1850 }
1851
1852 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1853 {
1854         return target.count(tag);
1855 }
1856
1857 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1858 {
1859         return target.count(tag);
1860 }
1861
1862 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1863 {
1864         return ConfVarEnum(target, std::string(tag), index);
1865 }
1866
1867 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1868 {
1869         ConfigDataHash::size_type pos = index;
1870
1871         if (pos < target.count(tag))
1872         {
1873                 ConfigDataHash::const_iterator iter = target.find(tag);
1874
1875                 for(int i = 0; i < index; i++)
1876                         iter++;
1877
1878                 return iter->second.size();
1879         }
1880
1881         return 0;
1882 }
1883
1884 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1885  */
1886 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1887 {
1888         if (!fname || !*fname)
1889                 return false;
1890
1891         FILE* file = NULL;
1892         char linebuf[MAXBUF];
1893
1894         F.clear();
1895
1896         if ((*fname != '/') && (*fname != '\\') && (!StartsWithWindowsDriveLetter(fname)))
1897         {
1898                 std::string::size_type pos;
1899                 std::string confpath = ServerInstance->ConfigFileName;
1900                 std::string newfile = fname;
1901
1902                 if (((pos = confpath.rfind("/"))) != std::string::npos)
1903                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1904                 else if (((pos = confpath.rfind("\\"))) != std::string::npos)
1905                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1906
1907                 ServerInstance->Logs->Log("config", DEBUG, "Filename: %s", newfile.c_str());
1908
1909                 if (!FileExists(newfile.c_str()))
1910                         return false;
1911                 file =  fopen(newfile.c_str(), "r");
1912         }
1913         else
1914         {
1915                 if (!FileExists(fname))
1916                         return false;
1917                 file =  fopen(fname, "r");
1918         }
1919
1920         if (file)
1921         {
1922                 while (!feof(file))
1923                 {
1924                         if (fgets(linebuf, sizeof(linebuf), file))
1925                                 linebuf[strlen(linebuf)-1] = 0;
1926                         else
1927                                 *linebuf = 0;
1928
1929                         F.push_back(*linebuf ? linebuf : " ");
1930                 }
1931
1932                 fclose(file);
1933         }
1934         else
1935                 return false;
1936
1937         return true;
1938 }
1939
1940 bool ServerConfig::FileExists(const char* file)
1941 {
1942         struct stat sb;
1943         if (stat(file, &sb) == -1)
1944                 return false;
1945
1946         if ((sb.st_mode & S_IFDIR) > 0)
1947                 return false;
1948
1949         FILE *input;
1950         if ((input = fopen (file, "r")) == NULL)
1951                 return false;
1952         else
1953         {
1954                 fclose(input);
1955                 return true;
1956         }
1957 }
1958
1959 char* ServerConfig::CleanFilename(char* name)
1960 {
1961         char* p = name + strlen(name);
1962         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1963         return (p != name ? ++p : p);
1964 }
1965
1966
1967 bool ServerConfig::DirValid(const char* dirandfile)
1968 {
1969 #ifdef WINDOWS
1970         return true;
1971 #else
1972
1973         char work[1024];
1974         char buffer[1024];
1975         char otherdir[1024];
1976         int p;
1977
1978         strlcpy(work, dirandfile, 1024);
1979         p = strlen(work);
1980
1981         // we just want the dir
1982         while (*work)
1983         {
1984                 if (work[p] == '/')
1985                 {
1986                         work[p] = '\0';
1987                         break;
1988                 }
1989
1990                 work[p--] = '\0';
1991         }
1992
1993         // Get the current working directory
1994         if (getcwd(buffer, 1024 ) == NULL )
1995                 return false;
1996
1997         if (chdir(work) == -1)
1998                 return false;
1999
2000         if (getcwd(otherdir, 1024 ) == NULL )
2001                 return false;
2002
2003         if (chdir(buffer) == -1)
2004                 return false;
2005
2006         size_t t = strlen(work);
2007
2008         if (strlen(otherdir) >= t)
2009         {
2010                 otherdir[t] = '\0';
2011                 if (!strcmp(otherdir,work))
2012                 {
2013                         return true;
2014                 }
2015
2016                 return false;
2017         }
2018         else
2019         {
2020                 return false;
2021         }
2022 #endif
2023 }
2024
2025 std::string ServerConfig::GetFullProgDir()
2026 {
2027         char buffer[PATH_MAX+1];
2028 #ifdef WINDOWS
2029         /* Windows has specific api calls to get the exe path that never fail.
2030          * For once, windows has something of use, compared to the POSIX code
2031          * for this, this is positively neato.
2032          */
2033         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2034         {
2035                 std::string fullpath = buffer;
2036                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2037                 return std::string(fullpath, 0, n);
2038         }
2039 #else
2040         // Get the current working directory
2041         if (getcwd(buffer, PATH_MAX))
2042         {
2043                 std::string remainder = this->argv[0];
2044
2045                 /* Does argv[0] start with /? its a full path, use it */
2046                 if (remainder[0] == '/')
2047                 {
2048                         std::string::size_type n = remainder.rfind("/inspircd");
2049                         return std::string(remainder, 0, n);
2050                 }
2051
2052                 std::string fullpath = std::string(buffer) + "/" + remainder;
2053                 std::string::size_type n = fullpath.rfind("/inspircd");
2054                 return std::string(fullpath, 0, n);
2055         }
2056 #endif
2057         return "/";
2058 }
2059
2060 InspIRCd* ServerConfig::GetInstance()
2061 {
2062         return ServerInstance;
2063 }
2064
2065 std::string ServerConfig::GetSID()
2066 {
2067         return sid;
2068 }
2069
2070 ValueItem::ValueItem(int value)
2071 {
2072         std::stringstream n;
2073         n << value;
2074         v = n.str();
2075 }
2076
2077 ValueItem::ValueItem(bool value)
2078 {
2079         std::stringstream n;
2080         n << value;
2081         v = n.str();
2082 }
2083
2084 ValueItem::ValueItem(const char* value)
2085 {
2086         v = value;
2087 }
2088
2089 void ValueItem::Set(const char* value)
2090 {
2091         v = value;
2092 }
2093
2094 void ValueItem::Set(int value)
2095 {
2096         std::stringstream n;
2097         n << value;
2098         v = n.str();
2099 }
2100
2101 int ValueItem::GetInteger()
2102 {
2103         if (v.empty())
2104                 return 0;
2105         return atoi(v.c_str());
2106 }
2107
2108 char* ValueItem::GetString()
2109 {
2110         return (char*)v.c_str();
2111 }
2112
2113 bool ValueItem::GetBool()
2114 {
2115         return (GetInteger() || v == "yes" || v == "true");
2116 }
2117
2118
2119
2120
2121 /*
2122  * XXX should this be in a class? -- w00t
2123  */
2124 bool InitTypes(ServerConfig* conf, const char*)
2125 {
2126         if (conf->opertypes.size())
2127         {
2128                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2129                 {
2130                         if (n->second)
2131                                 delete[] n->second;
2132                 }
2133         }
2134
2135         conf->opertypes.clear();
2136         return true;
2137 }
2138
2139 /*
2140  * XXX should this be in a class? -- w00t
2141  */
2142 bool InitClasses(ServerConfig* conf, const char*)
2143 {
2144         if (conf->operclass.size())
2145         {
2146                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2147                 {
2148                         if (n->second.commandlist)
2149                                 delete[] n->second.commandlist;
2150                         if (n->second.cmodelist)
2151                                 delete[] n->second.cmodelist;
2152                         if (n->second.umodelist)
2153                                 delete[] n->second.umodelist;
2154                 }
2155         }
2156
2157         conf->operclass.clear();
2158         return true;
2159 }
2160
2161 /*
2162  * XXX should this be in a class? -- w00t
2163  */
2164 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2165 {
2166         const char* TypeName = values[0].GetString();
2167         const char* Classes = values[1].GetString();
2168
2169         conf->opertypes[TypeName] = strnewdup(Classes);
2170         return true;
2171 }
2172
2173 /*
2174  * XXX should this be in a class? -- w00t
2175  */
2176 bool DoClass(ServerConfig* conf, const char* tag, char**, ValueList &values, int*)
2177 {
2178         const char* ClassName = values[0].GetString();
2179         const char* CommandList = values[1].GetString();
2180         const char* UModeList = values[2].GetString();
2181         const char* CModeList = values[3].GetString();
2182
2183         for (const char* c = UModeList; *c; ++c)
2184         {
2185                 if ((*c < 'A' || *c > 'z') && *c != '*')
2186                 {
2187                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:usermodes>");
2188                 }
2189         }
2190         for (const char* c = CModeList; *c; ++c)
2191         {
2192                 if ((*c < 'A' || *c > 'z') && *c != '*')
2193                 {
2194                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:chanmodes>");
2195                 }
2196         }
2197
2198         conf->operclass[ClassName].commandlist = strnewdup(CommandList);
2199         conf->operclass[ClassName].umodelist = strnewdup(UModeList);
2200         conf->operclass[ClassName].cmodelist = strnewdup(CModeList);
2201         return true;
2202 }
2203
2204 /*
2205  * XXX should this be in a class? -- w00t
2206  */
2207 bool DoneClassesAndTypes(ServerConfig*, const char*)
2208 {
2209         return true;
2210 }
2211
2212
2213
2214 bool InitXLine(ServerConfig* conf, const char* tag)
2215 {
2216         return true;
2217 }
2218
2219 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2220 {
2221         const char* reason = values[0].GetString();
2222         const char* ipmask = values[1].GetString();
2223
2224         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2225         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2226                 delete zl;
2227
2228         return true;
2229 }
2230
2231 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2232 {
2233         const char* reason = values[0].GetString();
2234         const char* nick = values[1].GetString();
2235
2236         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2237         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2238                 delete ql;
2239
2240         return true;
2241 }
2242
2243 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2244 {
2245         const char* reason = values[0].GetString();
2246         const char* host = values[1].GetString();
2247
2248         XLineManager* xlm = conf->GetInstance()->XLines;
2249
2250         IdentHostPair ih = xlm->IdentSplit(host);
2251
2252         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2253         if (!xlm->AddLine(kl, NULL))
2254                 delete kl;
2255         return true;
2256 }
2257
2258 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2259 {
2260         const char* reason = values[0].GetString();
2261         const char* host = values[1].GetString();
2262
2263         XLineManager* xlm = conf->GetInstance()->XLines;
2264
2265         IdentHostPair ih = xlm->IdentSplit(host);
2266
2267         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2268         if (!xlm->AddLine(el, NULL))
2269                 delete el;
2270         return true;
2271 }
2272
2273 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2274 bool DoneELine(ServerConfig* conf, const char* tag)
2275 {
2276         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2277         {
2278                 User* u = (User*)(*u2);
2279                 u->exempt = false;
2280         }
2281
2282         conf->GetInstance()->XLines->CheckELines();
2283         return true;
2284 }
2285
2286 void ConfigReaderThread::Run()
2287 {
2288         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2289         ServerInstance->Config->Read(do_bail, TheUser);
2290         ServerInstance->Threads->Mutex(true);
2291         this->SetExitFlag();
2292         ServerInstance->Threads->Mutex(false);
2293 }
2294