src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = 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: <options: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: <options: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: <options: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         return true;
 348 }
 349
 350 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 351 {
 352         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 353         {
 354                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 355                 data.Set(10240);
 356         }
 357         return true;
 358 }
 359
 360 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 361 {
 362         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 363         {
 364                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<options:maxwhoresults> size out of range, setting to default of 128.");
 365                 data.Set(128);
 366         }
 367         return true;
 368 }
 369
 370 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 371 {
 372         conf->ReadFile(conf->MOTD, data.GetString());
 373         return true;
 374 }
 375
 376 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 377 {
 378         if (!*data.GetString())
 379                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 380         return true;
 381 }
 382
 383 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 384 {
 385         conf->ReadFile(conf->RULES, data.GetString());
 386         return true;
 387 }
 388
 389 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 390 {
 391         memset(conf->HideModeLists, 0, 256);
 392         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 393                 conf->HideModeLists[*x] = true;
 394         return true;
 395 }
 396
 397 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 398 {
 399         memset(conf->ExemptChanOps, 0, 256);
 400         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 401                 conf->ExemptChanOps[*x] = true;
 402         return true;
 403 }
 404
 405 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 406 {
 407         std::string v = data.GetString();
 408
 409         if (v == "ops")
 410                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 411         else if (v == "all")
 412                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 413         else if (v == "dynamic")
 414                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 415         else
 416                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 417
 418         return true;
 419 }
 420
 421 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 422 {
 423         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server id");
 424
 425         const char *sid = data.GetString();
 426
 427         if (*sid && !conf->GetInstance()->IsSID(sid))
 428         {
 429                 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.");
 430         }
 431
 432         strlcpy(conf->sid, sid, 5);
 433
 434         return true;
 435 }
 436
 437 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 438 {
 439         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 440
 441         if (conf->WhoWasGroupSize < 0)
 442                 conf->WhoWasGroupSize = 0;
 443
 444         if (conf->WhoWasMaxGroups < 0)
 445                 conf->WhoWasMaxGroups = 0;
 446
 447         if (conf->WhoWasMaxKeep < 3600)
 448         {
 449                 conf->WhoWasMaxKeep = 3600;
 450                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 451         }
 452
 453         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 454         if (whowas_command)
 455         {
 456                 std::deque<classbase*> params;
 457                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 458         }
 459
 460         return true;
 461 }
 462
 463 /* Callback called before processing the first <connect> tag
 464  */
 465 bool InitConnect(ServerConfig* conf, const char*)
 466 {
 467         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
 468
 469         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 470         {
 471                 ConnectClass* c = *i;
 472
 473                 /* only delete a class with refcount 0 */
 474                 if (c->RefCount == 0)
 475                 {
 476                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
 477
 478                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 479                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 480                          * Now the increment is in the else { } below.
 481                          */
 482                         conf->Classes.erase(i);
 483                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 484                 }
 485                 else
 486                 {
 487                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 488                         c->SetDisabled(true);
 489                         i++;
 490                 }
 491         }
 492
 493         return true;
 494 }
 495
 496 /* Callback called to process a single <connect> tag
 497  */
 498 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 499 {
 500         ConnectClass c;
 501         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 502         const char* deny = values[1].GetString();
 503         const char* password = values[2].GetString();
 504         int timeout = values[3].GetInteger();
 505         int pingfreq = values[4].GetInteger();
 506         int flood = values[5].GetInteger();
 507         int threshold = values[6].GetInteger();
 508         int sendq = values[7].GetInteger();
 509         int recvq = values[8].GetInteger();
 510         int localmax = values[9].GetInteger();
 511         int globalmax = values[10].GetInteger();
 512         int port = values[11].GetInteger();
 513         const char* name = values[12].GetString();
 514         const char* parent = values[13].GetString();
 515         int maxchans = values[14].GetInteger();
 516         unsigned long limit = values[15].GetInteger();
 517         const char* hashtype = values[16].GetString();
 518
 519         /*
 520          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 521          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 522          */
 523         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 524         {
 525                 ConnectClass* cc = *item;
 526                 if ((*name && (cc->GetName() == name)) || (*allow && (cc->GetHost() == allow)) || (*deny && (cc->GetHost() == deny)))
 527                 {
 528                         /* reenable class so users can be shoved into it :P */
 529                         cc->SetDisabled(false);
 530                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Not adding class, it already exists!");
 531                         return true;
 532                 }
 533         }
 534
 535         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Adding a connect class!");
 536
 537         if (*parent)
 538         {
 539                 /* Find 'parent' and inherit a new class from it,
 540                  * then overwrite any values that are set here
 541                  */
 542                 ClassVector::iterator item = conf->Classes.begin();
 543                 for (; item != conf->Classes.end(); ++item)
 544                 {
 545                         ConnectClass* cc = *item;
 546                         conf->GetInstance()->Logs->Log("CONFIG",DEBUG,"Class: %s", cc->GetName().c_str());
 547                         if (cc->GetName() == parent)
 548                         {
 549                                 ConnectClass* newclass = new ConnectClass(name, cc);
 550                                 newclass->Update(timeout, flood, *allow ? allow : deny, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 551                                 conf->Classes.push_back(newclass);
 552                                 break;
 553                         }
 554                 }
 555                 if (item == conf->Classes.end())
 556                         throw CoreException("Class name '" + std::string(name) + "' is configured to inherit from class '" + std::string(parent) + "' which cannot be found.");
 557         }
 558         else
 559         {
 560                 if (*allow)
 561                 {
 562                         /* Find existing class by mask, the mask should be unique */
 563                         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 564                         {
 565                                 if ((*item)->GetHost() == allow)
 566                                 {
 567                                         (*item)->Update(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax, maxchans, port, limit);
 568                                         return true;
 569                                 }
 570                         }
 571                         ConnectClass* cc = new ConnectClass(name, timeout, flood, allow, pingfreq, password, hashtype, threshold, sendq, recvq, localmax, globalmax, maxchans);
 572                         cc->limit = limit;
 573                         cc->SetPort(port);
 574                         conf->Classes.push_back(cc);
 575                 }
 576                 else
 577                 {
 578                         /* Find existing class by mask, the mask should be unique */
 579                         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 580                         {
 581                                 if ((*item)->GetHost() == deny)
 582                                 {
 583                                         (*item)->Update(name, deny);
 584                                         (*item)->SetPort(port);
 585                                         return true;
 586                                 }
 587                         }
 588                         ConnectClass* cc = new ConnectClass(name, deny);
 589                         cc->SetPort(port);
 590                         conf->Classes.push_back(cc);
 591                 }
 592         }
 593
 594         return true;
 595 }
 596
 597 /* Callback called when there are no more <connect> tags
 598  */
 599 bool DoneConnect(ServerConfig *conf, const char*)
 600 {
 601         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!");
 602         return true;
 603 }
 604
 605 /* Callback called before processing the first <uline> tag
 606  */
 607 bool InitULine(ServerConfig* conf, const char*)
 608 {
 609         conf->ulines.clear();
 610         return true;
 611 }
 612
 613 /* Callback called to process a single <uline> tag
 614  */
 615 bool DoULine(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 616 {
 617         const char* server = values[0].GetString();
 618         const bool silent = values[1].GetBool();
 619         conf->ulines[server] = silent;
 620         return true;
 621 }
 622
 623 /* Callback called when there are no more <uline> tags
 624  */
 625 bool DoneULine(ServerConfig*, const char*)
 626 {
 627         return true;
 628 }
 629
 630 /* Callback called before processing the first <module> tag
 631  */
 632 bool InitModule(ServerConfig* conf, const char*)
 633 {
 634         old_module_names = conf->GetInstance()->Modules->GetAllModuleNames(0);
 635         new_module_names.clear();
 636         added_modules.clear();
 637         removed_modules.clear();
 638         return true;
 639 }
 640
 641 /* Callback called to process a single <module> tag
 642  */
 643 bool DoModule(ServerConfig*, const char*, char**, ValueList &values, int*)
 644 {
 645         const char* modname = values[0].GetString();
 646         new_module_names.push_back(modname);
 647         return true;
 648 }
 649
 650 /* Callback called when there are no more <module> tags
 651  */
 652 bool DoneModule(ServerConfig*, const char*)
 653 {
 654         // now create a list of new modules that are due to be loaded
 655         // and a seperate list of modules which are due to be unloaded
 656         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 657         {
 658                 bool added = true;
 659
 660                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 661                 {
 662                         if (*old == *_new)
 663                                 added = false;
 664                 }
 665
 666                 if (added)
 667                         added_modules.push_back(*_new);
 668         }
 669
 670         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 671         {
 672                 bool removed = true;
 673                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 674                 {
 675                         if (*newm == *oldm)
 676                                 removed = false;
 677                 }
 678
 679                 if (removed)
 680                         removed_modules.push_back(*oldm);
 681         }
 682         return true;
 683 }
 684
 685 /* Callback called before processing the first <banlist> tag
 686  */
 687 bool InitMaxBans(ServerConfig* conf, const char*)
 688 {
 689         conf->maxbans.clear();
 690         return true;
 691 }
 692
 693 /* Callback called to process a single <banlist> tag
 694  */
 695 bool DoMaxBans(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 696 {
 697         const char* channel = values[0].GetString();
 698         int limit = values[1].GetInteger();
 699         conf->maxbans[channel] = limit;
 700         return true;
 701 }
 702
 703 /* Callback called when there are no more <banlist> tags.
 704  */
 705 bool DoneMaxBans(ServerConfig*, const char*)
 706 {
 707         return true;
 708 }
 709
 710 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, User* user)
 711 {
 712         ServerInstance->Logs->Log("CONFIG",DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 713         if (bail)
 714         {
 715                 /* Unneeded because of the ServerInstance->Log() aboive? */
 716                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 717                 ServerInstance->Exit(EXIT_STATUS_CONFIG);
 718         }
 719         else
 720         {
 721                 std::string errors = errormessage;
 722                 std::string::size_type start;
 723                 unsigned int prefixlen;
 724                 start = 0;
 725                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 726                 if (user)
 727                 {
 728                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 729                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 730                         while (start < errors.length())
 731                         {
 732                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 733                                 start += 510 - prefixlen;
 734                         }
 735                 }
 736                 else
 737                 {
 738                         ServerInstance->SNO->WriteToSnoMask('A', "There were errors in the configuration file:");
 739                         while (start < errors.length())
 740                         {
 741                                 ServerInstance->SNO->WriteToSnoMask('A', errors.substr(start, 360));
 742                                 start += 360;
 743                         }
 744                 }
 745                 return;
 746         }
 747 }
 748
 749 void ServerConfig::Read(bool bail, User* user)
 750 {
 751         int rem = 0, add = 0;      /* Number of modules added, number of modules removed */
 752
 753         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 754         static char hidemodes[MAXBUF];  /* Modes to not allow listing from users below halfop */
 755         static char exemptchanops[MAXBUF];      /* Exempt channel ops from these modes */
 756         static char announceinvites[MAXBUF];    /* options:announceinvites setting */
 757         errstr.clear();
 758
 759         include_stack.clear();
 760
 761         /* These tags MUST occur and must ONLY occur once in the config file */
 762         static const char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 763
 764         Deprecated ChangedConfig[] = {
 765                 {"options",     "hidelinks",            "has been moved to <security:hidelinks> as of 1.2a3"},
 766                 {"options",     "hidewhois",            "has been moved to <security:hidewhois> as of 1.2a3"},
 767                 {"options",     "userstats",            "has been moved to <security:userstats> as of 1.2a3"},
 768                 {"options",     "customversion",        "has been moved to <security:customversion> as of 1.2a3"},
 769                 {"options",     "hidesplits",           "has been moved to <security:hidesplits> as of 1.2a3"},
 770                 {"options",     "hidebans",             "has been moved to <security:hidebans> as of 1.2a3"},
 771                 {"options",     "hidekills",            "has been moved to <security:hidekills> as of 1.2a3"},
 772                 {"options",     "operspywhois",         "has been moved to <security:operspywhois> as of 1.2a3"},
 773                 {"options",     "announceinvites",      "has been moved to <security:announceinvites> as of 1.2a3"},
 774                 {"options",     "hidemodes",            "has been moved to <security:hidemodes> as of 1.2a3"},
 775                 {"options",     "maxtargets",           "has been moved to <security:maxtargets> as of 1.2a3"},
 776                 {"options",     "nouserdns",            "has been moved to <performance:nouserdns> as of 1.2a3"},
 777                 {"options",     "maxwho",               "has been moved to <performance:maxwho> as of 1.2a3"},
 778                 {"options",     "softlimit",            "has been moved to <performance:softlimit> as of 1.2a3"},
 779                 {"options",     "somaxconn",            "has been moved to <performance:somaxconn> as of 1.2a3"},
 780                 {"options",     "netbuffersize",        "has been moved to <performance:netbuffersize> as of 1.2a3"},
 781                 {"options",     "maxwho",               "has been moved to <performance:maxwho> as of 1.2a3"},
 782                 {"options",     "loglevel",             "1.2 does not use the loglevel value. Please define <log> tags instead."},
 783                 {NULL,          NULL,                   NULL}
 784         };
 785
 786         /* These tags can occur ONCE or not at all */
 787         InitialConfig Values[] = {
 788                 {"performance", "softlimit",    "0",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 789                 {"performance", "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 790                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 791                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME|DT_BOOTONLY, ValidateServerName},
 792                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 793                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 794                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR|DT_BOOTONLY,  ValidateSID},
 795                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 796                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 797                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 798                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 799                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 800                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 801                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 802                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  NoValidation},
 803                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 804                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 805                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 806                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 807                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 808                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 809                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 810                 {"performance", "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 811                 {"performance", "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 812                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 813                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 814                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 815                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 816                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 817                 {"security",    "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 818                 {"security",    "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 819                 {"security",    "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 820                 {"security",    "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 821                 {"security",    "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 822                 {"security",    "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 823                 {"security",    "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 824                 {"performance", "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 825                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 826                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 827                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 828                 {"security",    "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 829                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 830                 {"security",    "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 831                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 832                 {"security",    "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 833                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 834                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 835                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 836                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 837                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 838                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 839                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 840                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 841                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 842         };
 843
 844         /* These tags can occur multiple times, and therefore they have special code to read them
 845          * which is different to the code for reading the singular tags listed above.
 846          */
 847         MultiConfig MultiValues[] = {
 848
 849                 {"connect",
 850                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 851                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 852                                 "name",         "parent",       "maxchans",     "limit",        "hash",
 853                                 NULL},
 854                                 {"",            "",             "",             "",             "120",          "",
 855                                  "",            "",             "",             "3",            "3",            "0",
 856                                  "",            "",             "0",        "0",        "",
 857                                  NULL},
 858                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 859                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 860                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 861                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 862                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
 863                                 InitConnect, DoConnect, DoneConnect},
 864
 865                 {"uline",
 866                                 {"server",      "silent",       NULL},
 867                                 {"",            "0",            NULL},
 868                                 {DT_HOSTNAME,   DT_BOOLEAN},
 869                                 InitULine,DoULine,DoneULine},
 870
 871                 {"banlist",
 872                                 {"chan",        "limit",        NULL},
 873                                 {"",            "",             NULL},
 874                                 {DT_CHARPTR,    DT_INTEGER},
 875                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 876
 877                 {"module",
 878                                 {"name",        NULL},
 879                                 {"",            NULL},
 880                                 {DT_CHARPTR},
 881                                 InitModule, DoModule, DoneModule},
 882
 883                 {"badip",
 884                                 {"reason",      "ipmask",       NULL},
 885                                 {"No reason",   "",             NULL},
 886                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 887                                 InitXLine, DoZLine, DoneConfItem},
 888
 889                 {"badnick",
 890                                 {"reason",      "nick",         NULL},
 891                                 {"No reason",   "",             NULL},
 892                                 {DT_CHARPTR,    DT_CHARPTR},
 893                                 InitXLine, DoQLine, DoneConfItem},
 894
 895                 {"badhost",
 896                                 {"reason",      "host",         NULL},
 897                                 {"No reason",   "",             NULL},
 898                                 {DT_CHARPTR,    DT_CHARPTR},
 899                                 InitXLine, DoKLine, DoneConfItem},
 900
 901                 {"exception",
 902                                 {"reason",      "host",         NULL},
 903                                 {"No reason",   "",             NULL},
 904                                 {DT_CHARPTR,    DT_CHARPTR},
 905                                 InitXLine, DoELine, DoneELine},
 906
 907                 {"type",
 908                                 {"name",        "classes",      NULL},
 909                                 {"",            "",             NULL},
 910                                 {DT_NOSPACES,   DT_CHARPTR},
 911                                 InitTypes, DoType, DoneClassesAndTypes},
 912
 913                 {"class",
 914                                 {"name",        "commands",     "usermodes",    "chanmodes",    NULL},
 915                                 {"",            "",             "",             "",             NULL},
 916                                 {DT_NOSPACES,   DT_CHARPTR,     DT_CHARPTR,     DT_CHARPTR},
 917                                 InitClasses, DoClass, DoneClassesAndTypes},
 918
 919                 {NULL,
 920                                 {NULL},
 921                                 {NULL},
 922                                 {0},
 923                                 NULL, NULL, NULL}
 924         };
 925
 926         /* Load and parse the config file, if there are any errors then explode */
 927
 928         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 929         newconfig.clear();
 930
 931         if (!this->DoInclude(newconfig, ServerInstance->ConfigFileName, errstr))
 932         {
 933                 ReportConfigError(errstr.str(), bail, user);
 934                 return;
 935         }
 936
 937         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 938         try
 939         {
 940                 /* Check we dont have more than one of singular tags, or any of them missing
 941                  */
 942                 for (int Index = 0; Once[Index]; Index++)
 943                         if (!CheckOnce(Once[Index], newconfig))
 944                                 return;
 945
 946                 for (int Index = 0; ChangedConfig[Index].tag; Index++)
 947                 {
 948                         char item[MAXBUF];
 949                         *item = 0;
 950                         if (ConfValue(newconfig, ChangedConfig[Index].tag, ChangedConfig[Index].value, "", 0, item, MAXBUF, true) || *item)
 951                                 throw CoreException(std::string("Your configuration contains a deprecated value: <") + ChangedConfig[Index].tag + ":" + ChangedConfig[Index].value + "> - " + ChangedConfig[Index].reason);
 952                         else
 953                                 ServerInstance->Logs->Log("CONFIG",DEBUG,"Deprecated item <%s:%s> does not exist, good.", ChangedConfig[Index].tag, ChangedConfig[Index].value);
 954                 }
 955
 956                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 957                  */
 958                 for (int Index = 0; Values[Index].tag; Index++)
 959                 {
 960                         char item[MAXBUF];
 961                         int dt = Values[Index].datatype;
 962                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 963                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 964                         bool bootonly = ((dt & DT_BOOTONLY) > 0);
 965                         dt &= ~DT_ALLOW_NEWLINE;
 966                         dt &= ~DT_ALLOW_WILD;
 967                         dt &= ~DT_BOOTONLY;
 968
 969                         /* Silently ignore boot only values */
 970                         if (bootonly && !bail)
 971                                 continue;
 972
 973                         ConfValue(newconfig, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 974                         ValueItem vi(item);
 975
 976                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 977                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 978
 979                         ServerInstance->Threads->Mutex(true);
 980                         switch (dt)
 981                         {
 982                                 case DT_NOSPACES:
 983                                 {
 984                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 985                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 986                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 987                                 }
 988                                 break;
 989                                 case DT_HOSTNAME:
 990                                 {
 991                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 992                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 993                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 994                                         ServerInstance->Logs->Log("CONFIG",DEFAULT,"Got %s", vi.GetString());
 995                                 }
 996                                 break;
 997                                 case DT_IPADDRESS:
 998                                 {
 999                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1000                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
1001                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1002                                 }
1003                                 break;
1004                                 case DT_CHANNEL:
1005                                 {
1006                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1007                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
1008                                         {
1009                                                 ServerInstance->Threads->Mutex(false);
1010                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
1011                                         }
1012                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1013                                 }
1014                                 break;
1015                                 case DT_CHARPTR:
1016                                 {
1017                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
1018                                         /* Make sure we also copy the null terminator */
1019                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
1020                                 }
1021                                 break;
1022                                 case DT_INTEGER:
1023                                 {
1024                                         int val = vi.GetInteger();
1025                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
1026                                         vci->Set(&val, sizeof(int));
1027                                 }
1028                                 break;
1029                                 case DT_BOOLEAN:
1030                                 {
1031                                         bool val = vi.GetBool();
1032                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1033                                         vcb->Set(&val, sizeof(bool));
1034                                 }
1035                                 break;
1036                                 default:
1037                                         /* You don't want to know what happens if someones bad code sends us here. */
1038                                 break;
1039                         }
1040                         /* We're done with this now */
1041                         delete Values[Index].val;
1042                         ServerInstance->Threads->Mutex(false);
1043                 }
1044
1045                 /* Read the multiple-tag items (class tags, connect tags, etc)
1046                  * and call the callbacks associated with them. We have three
1047                  * callbacks for these, a 'start', 'item' and 'end' callback.
1048                  */
1049                 for (int Index = 0; MultiValues[Index].tag; Index++)
1050                 {
1051                         ServerInstance->Threads->Mutex(true);
1052                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1053                         ServerInstance->Threads->Mutex(false);
1054
1055                         int number_of_tags = ConfValueEnum(newconfig, MultiValues[Index].tag);
1056
1057                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1058                         {
1059                                 ValueList vl;
1060                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1061                                 {
1062                                         int dt = MultiValues[Index].datatype[valuenum];
1063                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1064                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1065                                         dt &= ~DT_ALLOW_NEWLINE;
1066                                         dt &= ~DT_ALLOW_WILD;
1067
1068                                         ServerInstance->Threads->Mutex(true);
1069                                         /* We catch and rethrow any exception here just so we can free our mutex
1070                                          */
1071                                         try
1072                                         {
1073                                                 switch (dt)
1074                                                 {
1075                                                         case DT_NOSPACES:
1076                                                         {
1077                                                                 char item[MAXBUF];
1078                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1079                                                                         vl.push_back(ValueItem(item));
1080                                                                 else
1081                                                                         vl.push_back(ValueItem(""));
1082                                                                 this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1083                                                         }
1084                                                         break;
1085                                                         case DT_HOSTNAME:
1086                                                         {
1087                                                                 char item[MAXBUF];
1088                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1089                                                                         vl.push_back(ValueItem(item));
1090                                                                 else
1091                                                                         vl.push_back(ValueItem(""));
1092                                                                 this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1093                                                         }
1094                                                         break;
1095                                                         case DT_IPADDRESS:
1096                                                         {
1097                                                                 char item[MAXBUF];
1098                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1099                                                                         vl.push_back(ValueItem(item));
1100                                                                 else
1101                                                                         vl.push_back(ValueItem(""));
1102                                                                 this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1103                                                         }
1104                                                         break;
1105                                                         case DT_CHANNEL:
1106                                                         {
1107                                                                 char item[MAXBUF];
1108                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1109                                                                         vl.push_back(ValueItem(item));
1110                                                                 else
1111                                                                         vl.push_back(ValueItem(""));
1112                                                                 if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1113                                                                         throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1114                                                         }
1115                                                         break;
1116                                                         case DT_CHARPTR:
1117                                                         {
1118                                                                 char item[MAXBUF];
1119                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1120                                                                         vl.push_back(ValueItem(item));
1121                                                                 else
1122                                                                         vl.push_back(ValueItem(""));
1123                                                         }
1124                                                         break;
1125                                                         case DT_INTEGER:
1126                                                         {
1127                                                                 int item = 0;
1128                                                                 if (ConfValueInteger(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1129                                                                         vl.push_back(ValueItem(item));
1130                                                                 else
1131                                                                         vl.push_back(ValueItem(0));
1132                                                         }
1133                                                         break;
1134                                                         case DT_BOOLEAN:
1135                                                         {
1136                                                                 bool item = ConfValueBool(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1137                                                                 vl.push_back(ValueItem(item));
1138                                                         }
1139                                                         break;
1140                                                         default:
1141                                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
1142                                                         break;
1143                                                 }
1144                                         }
1145                                         catch (CoreException &e)
1146                                         {
1147                                                 ServerInstance->Threads->Mutex(false);
1148                                                 throw e;
1149                                         }
1150                                         ServerInstance->Threads->Mutex(false);
1151                                 }
1152                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1153                         }
1154                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1155                 }
1156
1157         }
1158
1159         catch (CoreException &ce)
1160         {
1161                 ReportConfigError(ce.GetReason(), bail, user);
1162                 return;
1163         }
1164
1165         ServerInstance->Threads->Mutex(true);
1166         for (int i = 0; i < ConfValueEnum(newconfig, "type"); ++i)
1167         {
1168                 char item[MAXBUF], classn[MAXBUF], classes[MAXBUF];
1169                 std::string classname;
1170                 ConfValue(newconfig, "type", "classes", "", i, classes, MAXBUF, false);
1171                 irc::spacesepstream str(classes);
1172                 ConfValue(newconfig, "type", "name", "", i, item, MAXBUF, false);
1173                 while (str.GetToken(classname))
1174                 {
1175                         std::string lost;
1176                         bool foundclass = false;
1177                         for (int j = 0; j < ConfValueEnum(newconfig, "class"); ++j)
1178                         {
1179                                 ConfValue(newconfig, "class", "name", "", j, classn, MAXBUF, false);
1180                                 if (!strcmp(classn, classname.c_str()))
1181                                 {
1182                                         foundclass = true;
1183                                         break;
1184                                 }
1185                         }
1186                         if (!foundclass)
1187                         {
1188                                 if (user)
1189                                         user->WriteServ("NOTICE %s :*** Warning: Oper type '%s' has a missing class named '%s', this does nothing!", user->nick, item, classname.c_str());
1190                                 else
1191                                 {
1192                                         if (bail)
1193                                                 printf("Warning: Oper type '%s' has a missing class named '%s', this does nothing!\n", item, classname.c_str());
1194                                         else
1195                                                 ServerInstance->SNO->WriteToSnoMask('A', "Warning: Oper type '%s' has a missing class named '%s', this does nothing!", item, classname.c_str());
1196                                 }
1197                         }
1198                 }
1199         }
1200
1201         /* If we succeeded, set the ircd config to the new one */
1202         this->config_data = newconfig;
1203
1204         ServerInstance->Threads->Mutex(false);
1205
1206         // write once here, to try it out and make sure its ok
1207         ServerInstance->WritePID(this->PID);
1208
1209         /* Switch over logfiles */
1210         ServerInstance->Logs->CloseLogs();
1211         ServerInstance->Logs->OpenFileLogs();
1212
1213         ServerInstance->Logs->Log("CONFIG", DEFAULT, "Done reading configuration file.");
1214
1215         /* If we're rehashing, let's load any new modules, and unload old ones
1216          */
1217         if (!bail)
1218         {
1219                 int found_ports = 0;
1220                 FailedPortList pl;
1221                 ServerInstance->BindPorts(false, found_ports, pl);
1222
1223                 if (pl.size() && user)
1224                 {
1225                         ServerInstance->Threads->Mutex(true);
1226                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1227                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1228                         int j = 1;
1229                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1230                         {
1231                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1232                         }
1233                         ServerInstance->Threads->Mutex(false);
1234                 }
1235
1236                 ServerInstance->Threads->Mutex(true);
1237                 if (!removed_modules.empty())
1238                 {
1239                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1240                         {
1241                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1242                                 {
1243                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str());
1244
1245                                         if (user)
1246                                                 user->WriteNumeric(973, "%s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1247
1248                                         rem++;
1249                                 }
1250                                 else
1251                                 {
1252                                         if (user)
1253                                                 user->WriteNumeric(972, "%s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str());
1254                                 }
1255                         }
1256                 }
1257
1258                 if (!added_modules.empty())
1259                 {
1260                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1261                         {
1262                                 if (ServerInstance->Modules->Load(adding->c_str()))
1263                                 {
1264                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str());
1265
1266                                         if (user)
1267                                                 user->WriteNumeric(975, "%s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1268
1269                                         add++;
1270                                 }
1271                                 else
1272                                 {
1273                                         if (user)
1274                                                 user->WriteNumeric(974, "%s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str());
1275                                 }
1276                         }
1277                 }
1278
1279                 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());
1280
1281                 ServerInstance->Threads->Mutex(false);
1282
1283         }
1284
1285         /** Note: This is safe, the method checks for user == NULL */
1286         ServerInstance->Threads->Mutex(true);
1287         ServerInstance->Parser->SetupCommandTable(user);
1288         ServerInstance->Threads->Mutex(false);
1289
1290         if (user)
1291                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1292         else
1293                 ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server.");
1294
1295 }
1296
1297
1298 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const char* filename, std::ostringstream &errorstream)
1299 {
1300         std::string line;
1301         char ch;
1302         long linenumber;
1303         bool in_tag;
1304         bool in_quote;
1305         bool in_comment;
1306         int character_count = 0;
1307
1308         linenumber = 1;
1309         in_tag = false;
1310         in_quote = false;
1311         in_comment = false;
1312
1313         ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading %s", filename);
1314
1315         /* Check if the file open failed first */
1316         if (!conf)
1317         {
1318                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1319                 return false;
1320         }
1321
1322         for (unsigned int t = 0; t < include_stack.size(); t++)
1323         {
1324                 if (std::string(filename) == include_stack[t])
1325                 {
1326                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1327                         return false;
1328                 }
1329         }
1330
1331         /* It's not already included, add it to the list of files we've loaded */
1332         include_stack.push_back(filename);
1333
1334         /* Start reading characters... */
1335         while (!feof(conf))
1336         {
1337                 ch = fgetc(conf);
1338                 /*
1339                  * Fix for moronic windows issue spotted by Adremelech.
1340                  * Some windows editors save text files as utf-16, which is
1341                  * a total pain in the ass to parse. Users should save in the
1342                  * right config format! If we ever see a file where the first
1343                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1344                  * this is most likely a utf-16 file. Bail out and insult user.
1345                  */
1346                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1347                 {
1348                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1349                         return false;
1350                 }
1351
1352                 /*
1353                  * Here we try and get individual tags on separate lines,
1354                  * this would be so easy if we just made people format
1355                  * their config files like that, but they don't so...
1356                  * We check for a '<' and then know the line is over when
1357                  * we get a '>' not inside quotes. If we find two '<' and
1358                  * no '>' then die with an error.
1359                  */
1360
1361                 if ((ch == '#') && !in_quote)
1362                         in_comment = true;
1363
1364                 switch (ch)
1365                 {
1366                         case '\n':
1367                                 if (in_quote)
1368                                         line += '\n';
1369                                 linenumber++;
1370                         case '\r':
1371                                 if (!in_quote)
1372                                         in_comment = false;
1373                         case '\0':
1374                                 continue;
1375                         case '\t':
1376                                 ch = ' ';
1377                 }
1378
1379                 if(in_comment)
1380                         continue;
1381
1382                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1383                  * Note that this WILL NOT usually allow insertion of newlines,
1384                  * because a newline is two characters long. Use it primarily to
1385                  * insert the " symbol.
1386                  *
1387                  * Note that this also involves a further check when parsing the line,
1388                  * which can be found below.
1389                  */
1390                 if ((ch == '\\') && (in_quote) && (in_tag))
1391                 {
1392                         line += ch;
1393                         char real_character;
1394                         if (!feof(conf))
1395                         {
1396                                 real_character = fgetc(conf);
1397                                 if (real_character == 'n')
1398                                         real_character = '\n';
1399                                 line += real_character;
1400                                 continue;
1401                         }
1402                         else
1403                         {
1404                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1405                                 return false;
1406                         }
1407                 }
1408
1409                 if (ch != '\r')
1410                         line += ch;
1411
1412                 if (ch == '<')
1413                 {
1414                         if (in_tag)
1415                         {
1416                                 if (!in_quote)
1417                                 {
1418                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1419                                         return false;
1420                                 }
1421                         }
1422                         else
1423                         {
1424                                 if (in_quote)
1425                                 {
1426                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1427                                         return false;
1428                                 }
1429                                 else
1430                                 {
1431                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1432                                         in_tag = true;
1433                                 }
1434                         }
1435                 }
1436                 else if (ch == '"')
1437                 {
1438                         if (in_tag)
1439                         {
1440                                 if (in_quote)
1441                                 {
1442                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1443                                         in_quote = false;
1444                                 }
1445                                 else
1446                                 {
1447                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1448                                         in_quote = true;
1449                                 }
1450                         }
1451                         else
1452                         {
1453                                 if (in_quote)
1454                                 {
1455                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1456                                 }
1457                                 else
1458                                 {
1459                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1460                                 }
1461                         }
1462                 }
1463                 else if (ch == '>')
1464                 {
1465                         if (!in_quote)
1466                         {
1467                                 if (in_tag)
1468                                 {
1469                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1470                                         in_tag = false;
1471
1472                                         /*
1473                                          * If this finds an <include> then ParseLine can simply call
1474                                          * LoadConf() and load the included config into the same ConfigDataHash
1475                                          */
1476                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1477                                                 return false;
1478
1479                                         line.clear();
1480                                 }
1481                                 else
1482                                 {
1483                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1484                                         return false;
1485                                 }
1486                         }
1487                 }
1488         }
1489
1490         /* 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 */
1491         if (in_comment || in_quote)
1492         {
1493                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1494                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1495         }
1496
1497         return true;
1498 }
1499
1500
1501 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream)
1502 {
1503         return this->LoadConf(target, conf, filename.c_str(), errorstream);
1504 }
1505
1506 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1507 {
1508         std::string tagname;
1509         std::string current_key;
1510         std::string current_value;
1511         KeyValList results;
1512         bool got_name;
1513         bool got_key;
1514         bool in_quote;
1515
1516         got_name = got_key = in_quote = false;
1517
1518         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1519         {
1520                 if (!got_name)
1521                 {
1522                         /* We don't know the tag name yet. */
1523
1524                         if (*c != ' ')
1525                         {
1526                                 if (*c != '<')
1527                                 {
1528                                         tagname += *c;
1529                                 }
1530                         }
1531                         else
1532                         {
1533                                 /* We got to a space, we should have the tagname now. */
1534                                 if(tagname.length())
1535                                 {
1536                                         got_name = true;
1537                                 }
1538                         }
1539                 }
1540                 else
1541                 {
1542                         /* We have the tag name */
1543                         if (!got_key)
1544                         {
1545                                 /* We're still reading the key name */
1546                                 if (*c != '=')
1547                                 {
1548                                         if (*c != ' ')
1549                                         {
1550                                                 current_key += *c;
1551                                         }
1552                                 }
1553                                 else
1554                                 {
1555                                         /* We got an '=', end of the key name. */
1556                                         got_key = true;
1557                                 }
1558                         }
1559                         else
1560                         {
1561                                 /* We have the key name, now we're looking for quotes and the value */
1562
1563                                 /* Correctly handle escaped characters here.
1564                                  * See the XXX'ed section above.
1565                                  */
1566                                 if ((*c == '\\') && (in_quote))
1567                                 {
1568                                         c++;
1569                                         if (*c == 'n')
1570                                                 current_value += '\n';
1571                                         else
1572                                                 current_value += *c;
1573                                         continue;
1574                                 }
1575                                 else if ((*c == '\n') && (in_quote))
1576                                 {
1577                                         /* Got a 'real' \n, treat it as part of the value */
1578                                         current_value += '\n';
1579                                         linenumber++;
1580                                         continue;
1581                                 }
1582                                 else if ((*c == '\r') && (in_quote))
1583                                         /* Got a \r, drop it */
1584                                         continue;
1585
1586                                 if (*c == '"')
1587                                 {
1588                                         if (!in_quote)
1589                                         {
1590                                                 /* We're not already in a quote. */
1591                                                 in_quote = true;
1592                                         }
1593                                         else
1594                                         {
1595                                                 /* Leaving the quotes, we have the current value */
1596                                                 results.push_back(KeyVal(current_key, current_value));
1597
1598                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1599
1600                                                 in_quote = false;
1601                                                 got_key = false;
1602
1603                                                 if ((tagname == "include") && (current_key == "file"))
1604                                                 {
1605                                                         if (!this->DoInclude(target, current_value, errorstream))
1606                                                                 return false;
1607                                                 }
1608                                                 else if ((tagname == "include") && (current_key == "executable"))
1609                                                 {
1610                                                         /* Pipe an executable and use its stdout as config data */
1611                                                         if (!this->DoPipe(target, current_value, errorstream))
1612                                                                 return false;
1613                                                 }
1614
1615                                                 current_key.clear();
1616                                                 current_value.clear();
1617                                         }
1618                                 }
1619                                 else
1620                                 {
1621                                         if (in_quote)
1622                                         {
1623                                                 current_value += *c;
1624                                         }
1625                                 }
1626                         }
1627                 }
1628         }
1629
1630         /* Finished parsing the tag, add it to the config hash */
1631         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1632
1633         return true;
1634 }
1635
1636 bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1637 {
1638         FILE* conf = popen(file.c_str(), "r");
1639         bool ret = false;
1640
1641         if (conf)
1642         {
1643                 ret = LoadConf(target, conf, file.c_str(), errorstream);
1644                 pclose(conf);
1645         }
1646         else
1647                 errorstream << "Couldn't execute: " << file << std::endl;
1648
1649         return ret;
1650 }
1651
1652 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1653 {
1654         std::string confpath;
1655         std::string newfile;
1656         std::string::size_type pos;
1657
1658         confpath = ServerInstance->ConfigFileName;
1659         newfile = file;
1660
1661         std::replace(newfile.begin(),newfile.end(),'\\','/');
1662         std::replace(confpath.begin(),confpath.end(),'\\','/');
1663
1664         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1665         {
1666                 if((pos = confpath.rfind("/")) != std::string::npos)
1667                 {
1668                         /* Leaves us with just the path */
1669                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1670                 }
1671                 else
1672                 {
1673                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1674                         return false;
1675                 }
1676         }
1677
1678         FILE* conf = fopen(newfile.c_str(), "r");
1679         bool ret = false;
1680
1681         if (conf)
1682         {
1683                 ret = LoadConf(target, conf, newfile, errorstream);
1684                 fclose(conf);
1685         }
1686         else
1687                 errorstream << "Couldn't open config file: " << file << std::endl;
1688
1689         return ret;
1690 }
1691
1692 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1693 {
1694         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1695 }
1696
1697 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1698 {
1699         std::string value;
1700         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1701         strlcpy(result, value.c_str(), length);
1702         return r;
1703 }
1704
1705 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1706 {
1707         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1708 }
1709
1710 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)
1711 {
1712         ConfigDataHash::size_type pos = index;
1713         if (pos < target.count(tag))
1714         {
1715                 ConfigDataHash::iterator iter = target.find(tag);
1716
1717                 for(int i = 0; i < index; i++)
1718                         iter++;
1719
1720                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1721                 {
1722                         if(j->first == var)
1723                         {
1724                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1725                                 {
1726                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1727                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1728                                                 if (*n == '\n')
1729                                                         *n = ' ';
1730                                 }
1731                                 else
1732                                 {
1733                                         result = j->second;
1734                                         return true;
1735                                 }
1736                         }
1737                 }
1738                 if (!default_value.empty())
1739                 {
1740                         result = default_value;
1741                         return true;
1742                 }
1743         }
1744         else if (pos == 0)
1745         {
1746                 if (!default_value.empty())
1747                 {
1748                         result = default_value;
1749                         return true;
1750                 }
1751         }
1752         return false;
1753 }
1754
1755 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1756 {
1757         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1758 }
1759
1760 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1761 {
1762         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1763 }
1764
1765 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1766 {
1767         return ConfValueInteger(target, tag, var, "", index, result);
1768 }
1769
1770 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1771 {
1772         std::string value;
1773         std::istringstream stream;
1774         bool r = ConfValue(target, tag, var, default_value, index, value);
1775         stream.str(value);
1776         if(!(stream >> result))
1777                 return false;
1778         else
1779         {
1780                 if (!value.empty())
1781                 {
1782                         if (value.substr(0,2) == "0x")
1783                         {
1784                                 char* endptr;
1785
1786                                 value.erase(0,2);
1787                                 result = strtol(value.c_str(), &endptr, 16);
1788
1789                                 /* No digits found */
1790                                 if (endptr == value.c_str())
1791                                         return false;
1792                         }
1793                         else
1794                         {
1795                                 char denominator = *(value.end() - 1);
1796                                 switch (toupper(denominator))
1797                                 {
1798                                         case 'K':
1799                                                 /* Kilobytes -> bytes */
1800                                                 result = result * 1024;
1801                                         break;
1802                                         case 'M':
1803                                                 /* Megabytes -> bytes */
1804                                                 result = result * 1024 * 1024;
1805                                         break;
1806                                         case 'G':
1807                                                 /* Gigabytes -> bytes */
1808                                                 result = result * 1024 * 1024 * 1024;
1809                                         break;
1810                                 }
1811                         }
1812                 }
1813         }
1814         return r;
1815 }
1816
1817
1818 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1819 {
1820         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1821 }
1822
1823 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1824 {
1825         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1826 }
1827
1828 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1829 {
1830         return ConfValueBool(target, tag, var, "", index);
1831 }
1832
1833 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1834 {
1835         std::string result;
1836         if(!ConfValue(target, tag, var, default_value, index, result))
1837                 return false;
1838
1839         return ((result == "yes") || (result == "true") || (result == "1"));
1840 }
1841
1842 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1843 {
1844         return target.count(tag);
1845 }
1846
1847 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1848 {
1849         return target.count(tag);
1850 }
1851
1852 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1853 {
1854         return ConfVarEnum(target, std::string(tag), index);
1855 }
1856
1857 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1858 {
1859         ConfigDataHash::size_type pos = index;
1860
1861         if (pos < target.count(tag))
1862         {
1863                 ConfigDataHash::const_iterator iter = target.find(tag);
1864
1865                 for(int i = 0; i < index; i++)
1866                         iter++;
1867
1868                 return iter->second.size();
1869         }
1870
1871         return 0;
1872 }
1873
1874 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1875  */
1876 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1877 {
1878         if (!fname || !*fname)
1879                 return false;
1880
1881         FILE* file = NULL;
1882         char linebuf[MAXBUF];
1883
1884         F.clear();
1885
1886         if ((*fname != '/') && (*fname != '\\'))
1887         {
1888                 std::string::size_type pos;
1889                 std::string confpath = ServerInstance->ConfigFileName;
1890                 std::string newfile = fname;
1891
1892                 if ((pos = confpath.rfind("/")) != std::string::npos)
1893                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1894                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1895                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1896
1897                 if (!FileExists(newfile.c_str()))
1898                         return false;
1899                 file =  fopen(newfile.c_str(), "r");
1900         }
1901         else
1902         {
1903                 if (!FileExists(fname))
1904                         return false;
1905                 file =  fopen(fname, "r");
1906         }
1907
1908         if (file)
1909         {
1910                 while (!feof(file))
1911                 {
1912                         if (fgets(linebuf, sizeof(linebuf), file))
1913                                 linebuf[strlen(linebuf)-1] = 0;
1914                         else
1915                                 *linebuf = 0;
1916
1917                         if (!feof(file))
1918                         {
1919                                 F.push_back(*linebuf ? linebuf : " ");
1920                         }
1921                 }
1922
1923                 fclose(file);
1924         }
1925         else
1926                 return false;
1927
1928         return true;
1929 }
1930
1931 bool ServerConfig::FileExists(const char* file)
1932 {
1933         struct stat sb;
1934         if (stat(file, &sb) == -1)
1935                 return false;
1936
1937         if ((sb.st_mode & S_IFDIR) > 0)
1938                 return false;
1939
1940         FILE *input;
1941         if ((input = fopen (file, "r")) == NULL)
1942                 return false;
1943         else
1944         {
1945                 fclose(input);
1946                 return true;
1947         }
1948 }
1949
1950 char* ServerConfig::CleanFilename(char* name)
1951 {
1952         char* p = name + strlen(name);
1953         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1954         return (p != name ? ++p : p);
1955 }
1956
1957
1958 bool ServerConfig::DirValid(const char* dirandfile)
1959 {
1960 #ifdef WINDOWS
1961         return true;
1962 #endif
1963
1964         char work[1024];
1965         char buffer[1024];
1966         char otherdir[1024];
1967         int p;
1968
1969         strlcpy(work, dirandfile, 1024);
1970         p = strlen(work);
1971
1972         // we just want the dir
1973         while (*work)
1974         {
1975                 if (work[p] == '/')
1976                 {
1977                         work[p] = '\0';
1978                         break;
1979                 }
1980
1981                 work[p--] = '\0';
1982         }
1983
1984         // Get the current working directory
1985         if (getcwd(buffer, 1024 ) == NULL )
1986                 return false;
1987
1988         if (chdir(work) == -1)
1989                 return false;
1990
1991         if (getcwd(otherdir, 1024 ) == NULL )
1992                 return false;
1993
1994         if (chdir(buffer) == -1)
1995                 return false;
1996
1997         size_t t = strlen(work);
1998
1999         if (strlen(otherdir) >= t)
2000         {
2001                 otherdir[t] = '\0';
2002                 if (!strcmp(otherdir,work))
2003                 {
2004                         return true;
2005                 }
2006
2007                 return false;
2008         }
2009         else
2010         {
2011                 return false;
2012         }
2013 }
2014
2015 std::string ServerConfig::GetFullProgDir()
2016 {
2017         char buffer[PATH_MAX+1];
2018 #ifdef WINDOWS
2019         /* Windows has specific api calls to get the exe path that never fail.
2020          * For once, windows has something of use, compared to the POSIX code
2021          * for this, this is positively neato.
2022          */
2023         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2024         {
2025                 std::string fullpath = buffer;
2026                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2027                 return std::string(fullpath, 0, n);
2028         }
2029 #else
2030         // Get the current working directory
2031         if (getcwd(buffer, PATH_MAX))
2032         {
2033                 std::string remainder = this->argv[0];
2034
2035                 /* Does argv[0] start with /? its a full path, use it */
2036                 if (remainder[0] == '/')
2037                 {
2038                         std::string::size_type n = remainder.rfind("/inspircd");
2039                         return std::string(remainder, 0, n);
2040                 }
2041
2042                 std::string fullpath = std::string(buffer) + "/" + remainder;
2043                 std::string::size_type n = fullpath.rfind("/inspircd");
2044                 return std::string(fullpath, 0, n);
2045         }
2046 #endif
2047         return "/";
2048 }
2049
2050 InspIRCd* ServerConfig::GetInstance()
2051 {
2052         return ServerInstance;
2053 }
2054
2055 std::string ServerConfig::GetSID()
2056 {
2057         return sid;
2058 }
2059
2060 ValueItem::ValueItem(int value)
2061 {
2062         std::stringstream n;
2063         n << value;
2064         v = n.str();
2065 }
2066
2067 ValueItem::ValueItem(bool value)
2068 {
2069         std::stringstream n;
2070         n << value;
2071         v = n.str();
2072 }
2073
2074 ValueItem::ValueItem(const char* value)
2075 {
2076         v = value;
2077 }
2078
2079 void ValueItem::Set(const char* value)
2080 {
2081         v = value;
2082 }
2083
2084 void ValueItem::Set(int value)
2085 {
2086         std::stringstream n;
2087         n << value;
2088         v = n.str();
2089 }
2090
2091 int ValueItem::GetInteger()
2092 {
2093         if (v.empty())
2094                 return 0;
2095         return atoi(v.c_str());
2096 }
2097
2098 char* ValueItem::GetString()
2099 {
2100         return (char*)v.c_str();
2101 }
2102
2103 bool ValueItem::GetBool()
2104 {
2105         return (GetInteger() || v == "yes" || v == "true");
2106 }
2107
2108
2109
2110
2111 /*
2112  * XXX should this be in a class? -- w00t
2113  */
2114 bool InitTypes(ServerConfig* conf, const char*)
2115 {
2116         if (conf->opertypes.size())
2117         {
2118                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2119                 {
2120                         if (n->second)
2121                                 delete[] n->second;
2122                 }
2123         }
2124
2125         conf->opertypes.clear();
2126         return true;
2127 }
2128
2129 /*
2130  * XXX should this be in a class? -- w00t
2131  */
2132 bool InitClasses(ServerConfig* conf, const char*)
2133 {
2134         if (conf->operclass.size())
2135         {
2136                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2137                 {
2138                         if (n->second.commandlist)
2139                                 delete[] n->second.commandlist;
2140                         if (n->second.cmodelist)
2141                                 delete[] n->second.cmodelist;
2142                         if (n->second.umodelist)
2143                                 delete[] n->second.umodelist;
2144                 }
2145         }
2146
2147         conf->operclass.clear();
2148         return true;
2149 }
2150
2151 /*
2152  * XXX should this be in a class? -- w00t
2153  */
2154 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2155 {
2156         const char* TypeName = values[0].GetString();
2157         const char* Classes = values[1].GetString();
2158
2159         conf->opertypes[TypeName] = strnewdup(Classes);
2160         return true;
2161 }
2162
2163 /*
2164  * XXX should this be in a class? -- w00t
2165  */
2166 bool DoClass(ServerConfig* conf, const char* tag, char**, ValueList &values, int*)
2167 {
2168         const char* ClassName = values[0].GetString();
2169         const char* CommandList = values[1].GetString();
2170         const char* UModeList = values[2].GetString();
2171         const char* CModeList = values[3].GetString();
2172
2173         for (const char* c = UModeList; *c; ++c)
2174         {
2175                 if ((*c < 'A' || *c > 'z') && *c != '*')
2176                 {
2177                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:usermodes>");
2178                 }
2179         }
2180         for (const char* c = CModeList; *c; ++c)
2181         {
2182                 if ((*c < 'A' || *c > 'z') && *c != '*')
2183                 {
2184                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:chanmodes>");
2185                 }
2186         }
2187
2188         conf->operclass[ClassName].commandlist = strnewdup(CommandList);
2189         conf->operclass[ClassName].umodelist = strnewdup(UModeList);
2190         conf->operclass[ClassName].cmodelist = strnewdup(CModeList);
2191         return true;
2192 }
2193
2194 /*
2195  * XXX should this be in a class? -- w00t
2196  */
2197 bool DoneClassesAndTypes(ServerConfig*, const char*)
2198 {
2199         return true;
2200 }
2201
2202
2203
2204 bool InitXLine(ServerConfig* conf, const char* tag)
2205 {
2206         return true;
2207 }
2208
2209 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2210 {
2211         const char* reason = values[0].GetString();
2212         const char* ipmask = values[1].GetString();
2213
2214         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2215         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2216                 delete zl;
2217
2218         return true;
2219 }
2220
2221 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2222 {
2223         const char* reason = values[0].GetString();
2224         const char* nick = values[1].GetString();
2225
2226         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2227         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2228                 delete ql;
2229
2230         return true;
2231 }
2232
2233 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2234 {
2235         const char* reason = values[0].GetString();
2236         const char* host = values[1].GetString();
2237
2238         XLineManager* xlm = conf->GetInstance()->XLines;
2239
2240         IdentHostPair ih = xlm->IdentSplit(host);
2241
2242         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2243         if (!xlm->AddLine(kl, NULL))
2244                 delete kl;
2245         return true;
2246 }
2247
2248 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2249 {
2250         const char* reason = values[0].GetString();
2251         const char* host = values[1].GetString();
2252
2253         XLineManager* xlm = conf->GetInstance()->XLines;
2254
2255         IdentHostPair ih = xlm->IdentSplit(host);
2256
2257         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2258         if (!xlm->AddLine(el, NULL))
2259                 delete el;
2260         return true;
2261 }
2262
2263 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2264 bool DoneELine(ServerConfig* conf, const char* tag)
2265 {
2266         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2267         {
2268                 User* u = (User*)(*u2);
2269                 u->exempt = false;
2270         }
2271
2272         conf->GetInstance()->XLines->CheckELines();
2273         return true;
2274 }
2275
2276 void ConfigReaderThread::Run()
2277 {
2278         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2279         ServerInstance->Config->Read(do_bail, TheUser);
2280         ServerInstance->Threads->Mutex(true);
2281         this->SetExitFlag();
2282         ServerInstance->Threads->Mutex(false);
2283 }
2284