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         /* These tags can occur ONCE or not at all */
 765         InitialConfig Values[] = {
 766                 {"performance", "softlimit",    "0",                    new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER,  ValidateSoftLimit},
 767                 {"performance", "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER,  ValidateMaxConn},
 768                 {"options",     "moronbanner",  "Youre banned!",        new ValueContainerChar (this->MoronBanner),             DT_CHARPTR,  NoValidation},
 769                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_HOSTNAME|DT_BOOTONLY, ValidateServerName},
 770                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR,  NoValidation},
 771                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_NOSPACES, NoValidation},
 772                 {"server",      "id",           "",                     new ValueContainerChar (this->sid),                     DT_CHARPTR|DT_BOOTONLY,  ValidateSID},
 773                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR,  NoValidation},
 774                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR,  NoValidation},
 775                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR,  NoValidation},
 776                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR,  ValidateMotd},
 777                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR,  ValidateRules},
 778                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR,  ValidateNotEmpty},
 779                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER,  NoValidation},
 780                 {"power",       "hash",         "",                     new ValueContainerChar (this->powerhash),               DT_CHARPTR,  NoValidation},
 781                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR,  ValidateNotEmpty},
 782                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR,  NoValidation},
 783                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR,  NoValidation},
 784                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR,  NoValidation},
 785                 {"options",     "prefixpart",   "",                     new ValueContainerChar (this->PrefixPart),              DT_CHARPTR,  NoValidation},
 786                 {"options",     "suffixpart",   "",                     new ValueContainerChar (this->SuffixPart),              DT_CHARPTR,  NoValidation},
 787                 {"options",     "fixedpart",    "",                     new ValueContainerChar (this->FixedPart),               DT_CHARPTR,  NoValidation},
 788                 {"performance", "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER,  ValidateNetBufferSize},
 789                 {"performance", "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER,  ValidateMaxWho},
 790                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN,  NoValidation},
 791                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_IPADDRESS,DNSServerValidator},
 792                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER,  NoValidation},
 793                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR,  NoValidation},
 794                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR,  NoValidation},
 795                 {"security",    "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR,  NoValidation},
 796                 {"security",    "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR,  NoValidation},
 797                 {"security",    "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN,  NoValidation},
 798                 {"security",    "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN,  NoValidation},
 799                 {"security",    "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_NOSPACES, NoValidation},
 800                 {"security",    "hidekills",    "",                     new ValueContainerChar (this->HideKillsServer),         DT_NOSPACES,  NoValidation},
 801                 {"security",    "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN,  NoValidation},
 802                 {"performance", "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN,  NoValidation},
 803                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN,  NoValidation},
 804                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN,  NoValidation},
 805                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN,  NoValidation},
 806                 {"security",    "announceinvites", "1",                 new ValueContainerChar (announceinvites),               DT_CHARPTR,  ValidateInvite},
 807                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN,  NoValidation},
 808                 {"security",    "hidemodes",    "",                     new ValueContainerChar (hidemodes),                     DT_CHARPTR,  ValidateModeLists},
 809                 {"options",     "exemptchanops","",                     new ValueContainerChar (exemptchanops),                 DT_CHARPTR,  ValidateExemptChanOps},
 810                 {"security",    "maxtargets",   "20",                   new ValueContainerUInt (&this->MaxTargets),             DT_INTEGER,  ValidateMaxTargets},
 811                 {"options",     "defaultmodes", "nt",                   new ValueContainerChar (this->DefaultModes),            DT_CHARPTR,  NoValidation},
 812                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR,  NoValidation},
 813                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER,  NoValidation},
 814                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER,  NoValidation},
 815                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR,  ValidateWhoWas},
 816                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR,  NoValidation},
 817                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER,  NoValidation},
 818                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER,  NoValidation},
 819                 {NULL,          NULL,           NULL,                   NULL,                                                   DT_NOTHING,  NoValidation}
 820         };
 821
 822         /* These tags can occur multiple times, and therefore they have special code to read them
 823          * which is different to the code for reading the singular tags listed above.
 824          */
 825         MultiConfig MultiValues[] = {
 826
 827                 {"connect",
 828                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 829                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    "port",
 830                                 "name",         "parent",       "maxchans",     "limit",        "hash",
 831                                 NULL},
 832                                 {"",            "",             "",             "",             "120",          "",
 833                                  "",            "",             "",             "3",            "3",            "0",
 834                                  "",            "",             "0",        "0",        "",
 835                                  NULL},
 836                                 {DT_IPADDRESS|DT_ALLOW_WILD,
 837                                                 DT_IPADDRESS|DT_ALLOW_WILD,
 838                                                                 DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 839                                 DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 840                                 DT_NOSPACES,    DT_NOSPACES,    DT_INTEGER,     DT_INTEGER,     DT_CHARPTR},
 841                                 InitConnect, DoConnect, DoneConnect},
 842
 843                 {"uline",
 844                                 {"server",      "silent",       NULL},
 845                                 {"",            "0",            NULL},
 846                                 {DT_HOSTNAME,   DT_BOOLEAN},
 847                                 InitULine,DoULine,DoneULine},
 848
 849                 {"banlist",
 850                                 {"chan",        "limit",        NULL},
 851                                 {"",            "",             NULL},
 852                                 {DT_CHARPTR,    DT_INTEGER},
 853                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 854
 855                 {"module",
 856                                 {"name",        NULL},
 857                                 {"",            NULL},
 858                                 {DT_CHARPTR},
 859                                 InitModule, DoModule, DoneModule},
 860
 861                 {"badip",
 862                                 {"reason",      "ipmask",       NULL},
 863                                 {"No reason",   "",             NULL},
 864                                 {DT_CHARPTR,    DT_IPADDRESS|DT_ALLOW_WILD},
 865                                 InitXLine, DoZLine, DoneConfItem},
 866
 867                 {"badnick",
 868                                 {"reason",      "nick",         NULL},
 869                                 {"No reason",   "",             NULL},
 870                                 {DT_CHARPTR,    DT_CHARPTR},
 871                                 InitXLine, DoQLine, DoneConfItem},
 872
 873                 {"badhost",
 874                                 {"reason",      "host",         NULL},
 875                                 {"No reason",   "",             NULL},
 876                                 {DT_CHARPTR,    DT_CHARPTR},
 877                                 InitXLine, DoKLine, DoneConfItem},
 878
 879                 {"exception",
 880                                 {"reason",      "host",         NULL},
 881                                 {"No reason",   "",             NULL},
 882                                 {DT_CHARPTR,    DT_CHARPTR},
 883                                 InitXLine, DoELine, DoneELine},
 884
 885                 {"type",
 886                                 {"name",        "classes",      NULL},
 887                                 {"",            "",             NULL},
 888                                 {DT_NOSPACES,   DT_CHARPTR},
 889                                 InitTypes, DoType, DoneClassesAndTypes},
 890
 891                 {"class",
 892                                 {"name",        "commands",     "usermodes",    "chanmodes",    NULL},
 893                                 {"",            "",             "",             "",             NULL},
 894                                 {DT_NOSPACES,   DT_CHARPTR,     DT_CHARPTR,     DT_CHARPTR},
 895                                 InitClasses, DoClass, DoneClassesAndTypes},
 896
 897                 {NULL,
 898                                 {NULL},
 899                                 {NULL},
 900                                 {0},
 901                                 NULL, NULL, NULL}
 902         };
 903
 904         /* Load and parse the config file, if there are any errors then explode */
 905
 906         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 907         newconfig.clear();
 908
 909         if (!this->DoInclude(newconfig, ServerInstance->ConfigFileName, errstr))
 910         {
 911                 ReportConfigError(errstr.str(), bail, user);
 912                 return;
 913         }
 914
 915         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 916         try
 917         {
 918                 /* Check we dont have more than one of singular tags, or any of them missing
 919                  */
 920                 for (int Index = 0; Once[Index]; Index++)
 921                         if (!CheckOnce(Once[Index], newconfig))
 922                                 return;
 923
 924                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 925                  */
 926                 for (int Index = 0; Values[Index].tag; Index++)
 927                 {
 928                         char item[MAXBUF];
 929                         int dt = Values[Index].datatype;
 930                         bool allow_newlines = ((dt & DT_ALLOW_NEWLINE) > 0);
 931                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
 932                         bool bootonly = ((dt & DT_BOOTONLY) > 0);
 933                         dt &= ~DT_ALLOW_NEWLINE;
 934                         dt &= ~DT_ALLOW_WILD;
 935                         dt &= ~DT_BOOTONLY;
 936
 937                         /* Silently ignore boot only values */
 938                         if (bootonly && !bail)
 939                                 continue;
 940
 941                         ConfValue(newconfig, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 942                         ValueItem vi(item);
 943
 944                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 945                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 946
 947                         ServerInstance->Threads->Mutex(true);
 948                         switch (dt)
 949                         {
 950                                 case DT_NOSPACES:
 951                                 {
 952                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 953                                         this->ValidateNoSpaces(vi.GetString(), Values[Index].tag, Values[Index].value);
 954                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 955                                 }
 956                                 break;
 957                                 case DT_HOSTNAME:
 958                                 {
 959                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 960                                         this->ValidateHostname(vi.GetString(), Values[Index].tag, Values[Index].value);
 961                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 962                                         ServerInstance->Logs->Log("CONFIG",DEFAULT,"Got %s", vi.GetString());
 963                                 }
 964                                 break;
 965                                 case DT_IPADDRESS:
 966                                 {
 967                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 968                                         this->ValidateIP(vi.GetString(), Values[Index].tag, Values[Index].value, allow_wild);
 969                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 970                                 }
 971                                 break;
 972                                 case DT_CHANNEL:
 973                                 {
 974                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 975                                         if (*(vi.GetString()) && !ServerInstance->IsChannel(vi.GetString()))
 976                                         {
 977                                                 ServerInstance->Threads->Mutex(false);
 978                                                 throw CoreException("The value of <"+std::string(Values[Index].tag)+":"+Values[Index].value+"> is not a valid channel name");
 979                                         }
 980                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 981                                 }
 982                                 break;
 983                                 case DT_CHARPTR:
 984                                 {
 985                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 986                                         /* Make sure we also copy the null terminator */
 987                                         vcc->Set(vi.GetString(), strlen(vi.GetString()) + 1);
 988                                 }
 989                                 break;
 990                                 case DT_INTEGER:
 991                                 {
 992                                         int val = vi.GetInteger();
 993                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 994                                         vci->Set(&val, sizeof(int));
 995                                 }
 996                                 break;
 997                                 case DT_BOOLEAN:
 998                                 {
 999                                         bool val = vi.GetBool();
1000                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
1001                                         vcb->Set(&val, sizeof(bool));
1002                                 }
1003                                 break;
1004                                 default:
1005                                         /* You don't want to know what happens if someones bad code sends us here. */
1006                                 break;
1007                         }
1008                         /* We're done with this now */
1009                         delete Values[Index].val;
1010                         ServerInstance->Threads->Mutex(false);
1011                 }
1012
1013                 /* Read the multiple-tag items (class tags, connect tags, etc)
1014                  * and call the callbacks associated with them. We have three
1015                  * callbacks for these, a 'start', 'item' and 'end' callback.
1016                  */
1017                 for (int Index = 0; MultiValues[Index].tag; Index++)
1018                 {
1019                         ServerInstance->Threads->Mutex(true);
1020                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
1021                         ServerInstance->Threads->Mutex(false);
1022
1023                         int number_of_tags = ConfValueEnum(newconfig, MultiValues[Index].tag);
1024
1025                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
1026                         {
1027                                 ValueList vl;
1028                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
1029                                 {
1030                                         int dt = MultiValues[Index].datatype[valuenum];
1031                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
1032                                         bool allow_wild = ((dt & DT_ALLOW_WILD) > 0);
1033                                         dt &= ~DT_ALLOW_NEWLINE;
1034                                         dt &= ~DT_ALLOW_WILD;
1035
1036                                         ServerInstance->Threads->Mutex(true);
1037                                         /* We catch and rethrow any exception here just so we can free our mutex
1038                                          */
1039                                         try
1040                                         {
1041                                                 switch (dt)
1042                                                 {
1043                                                         case DT_NOSPACES:
1044                                                         {
1045                                                                 char item[MAXBUF];
1046                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1047                                                                         vl.push_back(ValueItem(item));
1048                                                                 else
1049                                                                         vl.push_back(ValueItem(""));
1050                                                                 this->ValidateNoSpaces(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1051                                                         }
1052                                                         break;
1053                                                         case DT_HOSTNAME:
1054                                                         {
1055                                                                 char item[MAXBUF];
1056                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1057                                                                         vl.push_back(ValueItem(item));
1058                                                                 else
1059                                                                         vl.push_back(ValueItem(""));
1060                                                                 this->ValidateHostname(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum]);
1061                                                         }
1062                                                         break;
1063                                                         case DT_IPADDRESS:
1064                                                         {
1065                                                                 char item[MAXBUF];
1066                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1067                                                                         vl.push_back(ValueItem(item));
1068                                                                 else
1069                                                                         vl.push_back(ValueItem(""));
1070                                                                 this->ValidateIP(vl[vl.size()-1].GetString(), MultiValues[Index].tag, MultiValues[Index].items[valuenum], allow_wild);
1071                                                         }
1072                                                         break;
1073                                                         case DT_CHANNEL:
1074                                                         {
1075                                                                 char item[MAXBUF];
1076                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1077                                                                         vl.push_back(ValueItem(item));
1078                                                                 else
1079                                                                         vl.push_back(ValueItem(""));
1080                                                                 if (!ServerInstance->IsChannel(vl[vl.size()-1].GetString()))
1081                                                                         throw CoreException("The value of <"+std::string(MultiValues[Index].tag)+":"+MultiValues[Index].items[valuenum]+"> number "+ConvToStr(tagnum + 1)+" is not a valid channel name");
1082                                                         }
1083                                                         break;
1084                                                         case DT_CHARPTR:
1085                                                         {
1086                                                                 char item[MAXBUF];
1087                                                                 if (ConfValue(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
1088                                                                         vl.push_back(ValueItem(item));
1089                                                                 else
1090                                                                         vl.push_back(ValueItem(""));
1091                                                         }
1092                                                         break;
1093                                                         case DT_INTEGER:
1094                                                         {
1095                                                                 int item = 0;
1096                                                                 if (ConfValueInteger(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
1097                                                                         vl.push_back(ValueItem(item));
1098                                                                 else
1099                                                                         vl.push_back(ValueItem(0));
1100                                                         }
1101                                                         break;
1102                                                         case DT_BOOLEAN:
1103                                                         {
1104                                                                 bool item = ConfValueBool(newconfig, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
1105                                                                 vl.push_back(ValueItem(item));
1106                                                         }
1107                                                         break;
1108                                                         default:
1109                                                                 /* Someone was smoking craq if we got here, and we're all gonna die. */
1110                                                         break;
1111                                                 }
1112                                         }
1113                                         catch (CoreException &e)
1114                                         {
1115                                                 ServerInstance->Threads->Mutex(false);
1116                                                 throw e;
1117                                         }
1118                                         ServerInstance->Threads->Mutex(false);
1119                                 }
1120                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
1121                         }
1122                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
1123                 }
1124
1125         }
1126
1127         catch (CoreException &ce)
1128         {
1129                 ReportConfigError(ce.GetReason(), bail, user);
1130                 return;
1131         }
1132
1133         ServerInstance->Threads->Mutex(true);
1134         for (int i = 0; i < ConfValueEnum(newconfig, "type"); ++i)
1135         {
1136                 char item[MAXBUF], classn[MAXBUF], classes[MAXBUF];
1137                 std::string classname;
1138                 ConfValue(newconfig, "type", "classes", "", i, classes, MAXBUF, false);
1139                 irc::spacesepstream str(classes);
1140                 ConfValue(newconfig, "type", "name", "", i, item, MAXBUF, false);
1141                 while (str.GetToken(classname))
1142                 {
1143                         std::string lost;
1144                         bool foundclass = false;
1145                         for (int j = 0; j < ConfValueEnum(newconfig, "class"); ++j)
1146                         {
1147                                 ConfValue(newconfig, "class", "name", "", j, classn, MAXBUF, false);
1148                                 if (!strcmp(classn, classname.c_str()))
1149                                 {
1150                                         foundclass = true;
1151                                         break;
1152                                 }
1153                         }
1154                         if (!foundclass)
1155                         {
1156                                 if (user)
1157                                         user->WriteServ("NOTICE %s :*** Warning: Oper type '%s' has a missing class named '%s', this does nothing!", user->nick, item, classname.c_str());
1158                                 else
1159                                 {
1160                                         if (bail)
1161                                                 printf("Warning: Oper type '%s' has a missing class named '%s', this does nothing!\n", item, classname.c_str());
1162                                         else
1163                                                 ServerInstance->SNO->WriteToSnoMask('A', "Warning: Oper type '%s' has a missing class named '%s', this does nothing!", item, classname.c_str());
1164                                 }
1165                         }
1166                 }
1167         }
1168
1169         /* If we succeeded, set the ircd config to the new one */
1170         this->config_data = newconfig;
1171
1172         ServerInstance->Threads->Mutex(false);
1173
1174         // write once here, to try it out and make sure its ok
1175         ServerInstance->WritePID(this->PID);
1176
1177         /* Switch over logfiles */
1178         ServerInstance->Logs->CloseLogs();
1179         ServerInstance->Logs->OpenFileLogs();
1180
1181         ServerInstance->Logs->Log("CONFIG", DEFAULT, "Done reading configuration file.");
1182
1183         /* If we're rehashing, let's load any new modules, and unload old ones
1184          */
1185         if (!bail)
1186         {
1187                 int found_ports = 0;
1188                 FailedPortList pl;
1189                 ServerInstance->BindPorts(false, found_ports, pl);
1190
1191                 if (pl.size() && user)
1192                 {
1193                         ServerInstance->Threads->Mutex(true);
1194                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
1195                         user->WriteServ("NOTICE %s :*** The following port(s) failed to bind:", user->nick);
1196                         int j = 1;
1197                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
1198                         {
1199                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
1200                         }
1201                         ServerInstance->Threads->Mutex(false);
1202                 }
1203
1204                 ServerInstance->Threads->Mutex(true);
1205                 if (!removed_modules.empty())
1206                 {
1207                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
1208                         {
1209                                 if (ServerInstance->Modules->Unload(removing->c_str()))
1210                                 {
1211                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH UNLOADED MODULE: %s",removing->c_str());
1212
1213                                         if (user)
1214                                                 user->WriteNumeric(973, "%s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
1215
1216                                         rem++;
1217                                 }
1218                                 else
1219                                 {
1220                                         if (user)
1221                                                 user->WriteNumeric(972, "%s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->Modules->LastError().c_str());
1222                                 }
1223                         }
1224                 }
1225
1226                 if (!added_modules.empty())
1227                 {
1228                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
1229                         {
1230                                 if (ServerInstance->Modules->Load(adding->c_str()))
1231                                 {
1232                                         ServerInstance->SNO->WriteToSnoMask('A', "*** REHASH LOADED MODULE: %s",adding->c_str());
1233
1234                                         if (user)
1235                                                 user->WriteNumeric(975, "%s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
1236
1237                                         add++;
1238                                 }
1239                                 else
1240                                 {
1241                                         if (user)
1242                                                 user->WriteNumeric(974, "%s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->Modules->LastError().c_str());
1243                                 }
1244                         }
1245                 }
1246
1247                 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());
1248
1249                 ServerInstance->Threads->Mutex(false);
1250
1251         }
1252
1253         /** Note: This is safe, the method checks for user == NULL */
1254         ServerInstance->Threads->Mutex(true);
1255         ServerInstance->Parser->SetupCommandTable(user);
1256         ServerInstance->Threads->Mutex(false);
1257
1258         if (user)
1259                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
1260         else
1261                 ServerInstance->SNO->WriteToSnoMask('A', "*** Successfully rehashed server.");
1262
1263 }
1264
1265
1266 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const char* filename, std::ostringstream &errorstream)
1267 {
1268         std::string line;
1269         char ch;
1270         long linenumber;
1271         bool in_tag;
1272         bool in_quote;
1273         bool in_comment;
1274         int character_count = 0;
1275
1276         linenumber = 1;
1277         in_tag = false;
1278         in_quote = false;
1279         in_comment = false;
1280
1281         ServerInstance->Logs->Log("CONFIG", DEBUG, "Reading %s", filename);
1282
1283         /* Check if the file open failed first */
1284         if (!conf)
1285         {
1286                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
1287                 return false;
1288         }
1289
1290         for (unsigned int t = 0; t < include_stack.size(); t++)
1291         {
1292                 if (std::string(filename) == include_stack[t])
1293                 {
1294                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
1295                         return false;
1296                 }
1297         }
1298
1299         /* It's not already included, add it to the list of files we've loaded */
1300         include_stack.push_back(filename);
1301
1302         /* Start reading characters... */
1303         while (!feof(conf))
1304         {
1305                 ch = fgetc(conf);
1306                 /*
1307                  * Fix for moronic windows issue spotted by Adremelech.
1308                  * Some windows editors save text files as utf-16, which is
1309                  * a total pain in the ass to parse. Users should save in the
1310                  * right config format! If we ever see a file where the first
1311                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1312                  * this is most likely a utf-16 file. Bail out and insult user.
1313                  */
1314                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1315                 {
1316                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1317                         return false;
1318                 }
1319
1320                 /*
1321                  * Here we try and get individual tags on separate lines,
1322                  * this would be so easy if we just made people format
1323                  * their config files like that, but they don't so...
1324                  * We check for a '<' and then know the line is over when
1325                  * we get a '>' not inside quotes. If we find two '<' and
1326                  * no '>' then die with an error.
1327                  */
1328
1329                 if ((ch == '#') && !in_quote)
1330                         in_comment = true;
1331
1332                 switch (ch)
1333                 {
1334                         case '\n':
1335                                 if (in_quote)
1336                                         line += '\n';
1337                                 linenumber++;
1338                         case '\r':
1339                                 if (!in_quote)
1340                                         in_comment = false;
1341                         case '\0':
1342                                 continue;
1343                         case '\t':
1344                                 ch = ' ';
1345                 }
1346
1347                 if(in_comment)
1348                         continue;
1349
1350                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1351                  * Note that this WILL NOT usually allow insertion of newlines,
1352                  * because a newline is two characters long. Use it primarily to
1353                  * insert the " symbol.
1354                  *
1355                  * Note that this also involves a further check when parsing the line,
1356                  * which can be found below.
1357                  */
1358                 if ((ch == '\\') && (in_quote) && (in_tag))
1359                 {
1360                         line += ch;
1361                         char real_character;
1362                         if (!feof(conf))
1363                         {
1364                                 real_character = fgetc(conf);
1365                                 if (real_character == 'n')
1366                                         real_character = '\n';
1367                                 line += real_character;
1368                                 continue;
1369                         }
1370                         else
1371                         {
1372                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1373                                 return false;
1374                         }
1375                 }
1376
1377                 if (ch != '\r')
1378                         line += ch;
1379
1380                 if (ch == '<')
1381                 {
1382                         if (in_tag)
1383                         {
1384                                 if (!in_quote)
1385                                 {
1386                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1387                                         return false;
1388                                 }
1389                         }
1390                         else
1391                         {
1392                                 if (in_quote)
1393                                 {
1394                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1395                                         return false;
1396                                 }
1397                                 else
1398                                 {
1399                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1400                                         in_tag = true;
1401                                 }
1402                         }
1403                 }
1404                 else if (ch == '"')
1405                 {
1406                         if (in_tag)
1407                         {
1408                                 if (in_quote)
1409                                 {
1410                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1411                                         in_quote = false;
1412                                 }
1413                                 else
1414                                 {
1415                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1416                                         in_quote = true;
1417                                 }
1418                         }
1419                         else
1420                         {
1421                                 if (in_quote)
1422                                 {
1423                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1424                                 }
1425                                 else
1426                                 {
1427                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1428                                 }
1429                         }
1430                 }
1431                 else if (ch == '>')
1432                 {
1433                         if (!in_quote)
1434                         {
1435                                 if (in_tag)
1436                                 {
1437                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1438                                         in_tag = false;
1439
1440                                         /*
1441                                          * If this finds an <include> then ParseLine can simply call
1442                                          * LoadConf() and load the included config into the same ConfigDataHash
1443                                          */
1444                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1445                                                 return false;
1446
1447                                         line.clear();
1448                                 }
1449                                 else
1450                                 {
1451                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1452                                         return false;
1453                                 }
1454                         }
1455                 }
1456         }
1457
1458         /* 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 */
1459         if (in_comment || in_quote)
1460         {
1461                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1462                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1463         }
1464
1465         return true;
1466 }
1467
1468
1469 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream)
1470 {
1471         return this->LoadConf(target, conf, filename.c_str(), errorstream);
1472 }
1473
1474 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1475 {
1476         std::string tagname;
1477         std::string current_key;
1478         std::string current_value;
1479         KeyValList results;
1480         bool got_name;
1481         bool got_key;
1482         bool in_quote;
1483
1484         got_name = got_key = in_quote = false;
1485
1486         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1487         {
1488                 if (!got_name)
1489                 {
1490                         /* We don't know the tag name yet. */
1491
1492                         if (*c != ' ')
1493                         {
1494                                 if (*c != '<')
1495                                 {
1496                                         tagname += *c;
1497                                 }
1498                         }
1499                         else
1500                         {
1501                                 /* We got to a space, we should have the tagname now. */
1502                                 if(tagname.length())
1503                                 {
1504                                         got_name = true;
1505                                 }
1506                         }
1507                 }
1508                 else
1509                 {
1510                         /* We have the tag name */
1511                         if (!got_key)
1512                         {
1513                                 /* We're still reading the key name */
1514                                 if (*c != '=')
1515                                 {
1516                                         if (*c != ' ')
1517                                         {
1518                                                 current_key += *c;
1519                                         }
1520                                 }
1521                                 else
1522                                 {
1523                                         /* We got an '=', end of the key name. */
1524                                         got_key = true;
1525                                 }
1526                         }
1527                         else
1528                         {
1529                                 /* We have the key name, now we're looking for quotes and the value */
1530
1531                                 /* Correctly handle escaped characters here.
1532                                  * See the XXX'ed section above.
1533                                  */
1534                                 if ((*c == '\\') && (in_quote))
1535                                 {
1536                                         c++;
1537                                         if (*c == 'n')
1538                                                 current_value += '\n';
1539                                         else
1540                                                 current_value += *c;
1541                                         continue;
1542                                 }
1543                                 else if ((*c == '\n') && (in_quote))
1544                                 {
1545                                         /* Got a 'real' \n, treat it as part of the value */
1546                                         current_value += '\n';
1547                                         linenumber++;
1548                                         continue;
1549                                 }
1550                                 else if ((*c == '\r') && (in_quote))
1551                                         /* Got a \r, drop it */
1552                                         continue;
1553
1554                                 if (*c == '"')
1555                                 {
1556                                         if (!in_quote)
1557                                         {
1558                                                 /* We're not already in a quote. */
1559                                                 in_quote = true;
1560                                         }
1561                                         else
1562                                         {
1563                                                 /* Leaving the quotes, we have the current value */
1564                                                 results.push_back(KeyVal(current_key, current_value));
1565
1566                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1567
1568                                                 in_quote = false;
1569                                                 got_key = false;
1570
1571                                                 if ((tagname == "include") && (current_key == "file"))
1572                                                 {
1573                                                         if (!this->DoInclude(target, current_value, errorstream))
1574                                                                 return false;
1575                                                 }
1576                                                 else if ((tagname == "include") && (current_key == "executable"))
1577                                                 {
1578                                                         /* Pipe an executable and use its stdout as config data */
1579                                                         if (!this->DoPipe(target, current_value, errorstream))
1580                                                                 return false;
1581                                                 }
1582
1583                                                 current_key.clear();
1584                                                 current_value.clear();
1585                                         }
1586                                 }
1587                                 else
1588                                 {
1589                                         if (in_quote)
1590                                         {
1591                                                 current_value += *c;
1592                                         }
1593                                 }
1594                         }
1595                 }
1596         }
1597
1598         /* Finished parsing the tag, add it to the config hash */
1599         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1600
1601         return true;
1602 }
1603
1604 bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1605 {
1606         FILE* conf = popen(file.c_str(), "r");
1607         bool ret = false;
1608
1609         if (conf)
1610         {
1611                 ret = LoadConf(target, conf, file.c_str(), errorstream);
1612                 pclose(conf);
1613         }
1614         else
1615                 errorstream << "Couldn't execute: " << file << std::endl;
1616
1617         return ret;
1618 }
1619
1620 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1621 {
1622         std::string confpath;
1623         std::string newfile;
1624         std::string::size_type pos;
1625
1626         confpath = ServerInstance->ConfigFileName;
1627         newfile = file;
1628
1629         std::replace(newfile.begin(),newfile.end(),'\\','/');
1630         std::replace(confpath.begin(),confpath.end(),'\\','/');
1631
1632         if ((newfile[0] != '/') && (newfile.find("://") == std::string::npos))
1633         {
1634                 if((pos = confpath.rfind("/")) != std::string::npos)
1635                 {
1636                         /* Leaves us with just the path */
1637                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1638                 }
1639                 else
1640                 {
1641                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1642                         return false;
1643                 }
1644         }
1645
1646         FILE* conf = fopen(newfile.c_str(), "r");
1647         bool ret = false;
1648
1649         if (conf)
1650         {
1651                 ret = LoadConf(target, conf, newfile, errorstream);
1652                 fclose(conf);
1653         }
1654         else
1655                 errorstream << "Couldn't open config file: " << file << std::endl;
1656
1657         return ret;
1658 }
1659
1660 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1661 {
1662         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1663 }
1664
1665 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1666 {
1667         std::string value;
1668         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1669         strlcpy(result, value.c_str(), length);
1670         return r;
1671 }
1672
1673 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1674 {
1675         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1676 }
1677
1678 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)
1679 {
1680         ConfigDataHash::size_type pos = index;
1681         if (pos < target.count(tag))
1682         {
1683                 ConfigDataHash::iterator iter = target.find(tag);
1684
1685                 for(int i = 0; i < index; i++)
1686                         iter++;
1687
1688                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1689                 {
1690                         if(j->first == var)
1691                         {
1692                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1693                                 {
1694                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1695                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1696                                                 if (*n == '\n')
1697                                                         *n = ' ';
1698                                 }
1699                                 else
1700                                 {
1701                                         result = j->second;
1702                                         return true;
1703                                 }
1704                         }
1705                 }
1706                 if (!default_value.empty())
1707                 {
1708                         result = default_value;
1709                         return true;
1710                 }
1711         }
1712         else if(pos == 0)
1713         {
1714                 if (!default_value.empty())
1715                 {
1716                         result = default_value;
1717                         return true;
1718                 }
1719         }
1720         return false;
1721 }
1722
1723 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1724 {
1725         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1726 }
1727
1728 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1729 {
1730         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1731 }
1732
1733 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1734 {
1735         return ConfValueInteger(target, tag, var, "", index, result);
1736 }
1737
1738 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1739 {
1740         std::string value;
1741         std::istringstream stream;
1742         bool r = ConfValue(target, tag, var, default_value, index, value);
1743         stream.str(value);
1744         if(!(stream >> result))
1745                 return false;
1746         else
1747         {
1748                 if (!value.empty())
1749                 {
1750                         if (value.substr(0,2) == "0x")
1751                         {
1752                                 char* endptr;
1753
1754                                 value.erase(0,2);
1755                                 result = strtol(value.c_str(), &endptr, 16);
1756
1757                                 /* No digits found */
1758                                 if (endptr == value.c_str())
1759                                         return false;
1760                         }
1761                         else
1762                         {
1763                                 char denominator = *(value.end() - 1);
1764                                 switch (toupper(denominator))
1765                                 {
1766                                         case 'K':
1767                                                 /* Kilobytes -> bytes */
1768                                                 result = result * 1024;
1769                                         break;
1770                                         case 'M':
1771                                                 /* Megabytes -> bytes */
1772                                                 result = result * 1024 * 1024;
1773                                         break;
1774                                         case 'G':
1775                                                 /* Gigabytes -> bytes */
1776                                                 result = result * 1024 * 1024 * 1024;
1777                                         break;
1778                                 }
1779                         }
1780                 }
1781         }
1782         return r;
1783 }
1784
1785
1786 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1787 {
1788         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1789 }
1790
1791 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1792 {
1793         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1794 }
1795
1796 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1797 {
1798         return ConfValueBool(target, tag, var, "", index);
1799 }
1800
1801 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1802 {
1803         std::string result;
1804         if(!ConfValue(target, tag, var, default_value, index, result))
1805                 return false;
1806
1807         return ((result == "yes") || (result == "true") || (result == "1"));
1808 }
1809
1810 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1811 {
1812         return target.count(tag);
1813 }
1814
1815 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1816 {
1817         return target.count(tag);
1818 }
1819
1820 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1821 {
1822         return ConfVarEnum(target, std::string(tag), index);
1823 }
1824
1825 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1826 {
1827         ConfigDataHash::size_type pos = index;
1828
1829         if (pos < target.count(tag))
1830         {
1831                 ConfigDataHash::const_iterator iter = target.find(tag);
1832
1833                 for(int i = 0; i < index; i++)
1834                         iter++;
1835
1836                 return iter->second.size();
1837         }
1838
1839         return 0;
1840 }
1841
1842 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1843  */
1844 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1845 {
1846         if (!fname || !*fname)
1847                 return false;
1848
1849         FILE* file = NULL;
1850         char linebuf[MAXBUF];
1851
1852         F.clear();
1853
1854         if ((*fname != '/') && (*fname != '\\'))
1855         {
1856                 std::string::size_type pos;
1857                 std::string confpath = ServerInstance->ConfigFileName;
1858                 std::string newfile = fname;
1859
1860                 if ((pos = confpath.rfind("/")) != std::string::npos)
1861                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1862                 else if ((pos = confpath.rfind("\\")) != std::string::npos)
1863                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1864
1865                 if (!FileExists(newfile.c_str()))
1866                         return false;
1867                 file =  fopen(newfile.c_str(), "r");
1868         }
1869         else
1870         {
1871                 if (!FileExists(fname))
1872                         return false;
1873                 file =  fopen(fname, "r");
1874         }
1875
1876         if (file)
1877         {
1878                 while (!feof(file))
1879                 {
1880                         if (fgets(linebuf, sizeof(linebuf), file))
1881                                 linebuf[strlen(linebuf)-1] = 0;
1882                         else
1883                                 *linebuf = 0;
1884
1885                         if (!feof(file))
1886                         {
1887                                 F.push_back(*linebuf ? linebuf : " ");
1888                         }
1889                 }
1890
1891                 fclose(file);
1892         }
1893         else
1894                 return false;
1895
1896         return true;
1897 }
1898
1899 bool ServerConfig::FileExists(const char* file)
1900 {
1901         struct stat sb;
1902         if (stat(file, &sb) == -1)
1903                 return false;
1904
1905         if ((sb.st_mode & S_IFDIR) > 0)
1906                 return false;
1907
1908         FILE *input;
1909         if ((input = fopen (file, "r")) == NULL)
1910                 return false;
1911         else
1912         {
1913                 fclose(input);
1914                 return true;
1915         }
1916 }
1917
1918 char* ServerConfig::CleanFilename(char* name)
1919 {
1920         char* p = name + strlen(name);
1921         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1922         return (p != name ? ++p : p);
1923 }
1924
1925
1926 bool ServerConfig::DirValid(const char* dirandfile)
1927 {
1928 #ifdef WINDOWS
1929         return true;
1930 #endif
1931
1932         char work[1024];
1933         char buffer[1024];
1934         char otherdir[1024];
1935         int p;
1936
1937         strlcpy(work, dirandfile, 1024);
1938         p = strlen(work);
1939
1940         // we just want the dir
1941         while (*work)
1942         {
1943                 if (work[p] == '/')
1944                 {
1945                         work[p] = '\0';
1946                         break;
1947                 }
1948
1949                 work[p--] = '\0';
1950         }
1951
1952         // Get the current working directory
1953         if (getcwd(buffer, 1024 ) == NULL )
1954                 return false;
1955
1956         if (chdir(work) == -1)
1957                 return false;
1958
1959         if (getcwd(otherdir, 1024 ) == NULL )
1960                 return false;
1961
1962         if (chdir(buffer) == -1)
1963                 return false;
1964
1965         size_t t = strlen(work);
1966
1967         if (strlen(otherdir) >= t)
1968         {
1969                 otherdir[t] = '\0';
1970                 if (!strcmp(otherdir,work))
1971                 {
1972                         return true;
1973                 }
1974
1975                 return false;
1976         }
1977         else
1978         {
1979                 return false;
1980         }
1981 }
1982
1983 std::string ServerConfig::GetFullProgDir()
1984 {
1985         char buffer[PATH_MAX+1];
1986 #ifdef WINDOWS
1987         /* Windows has specific api calls to get the exe path that never fail.
1988          * For once, windows has something of use, compared to the POSIX code
1989          * for this, this is positively neato.
1990          */
1991         if (GetModuleFileName(NULL, buffer, MAX_PATH))
1992         {
1993                 std::string fullpath = buffer;
1994                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
1995                 return std::string(fullpath, 0, n);
1996         }
1997 #else
1998         // Get the current working directory
1999         if (getcwd(buffer, PATH_MAX))
2000         {
2001                 std::string remainder = this->argv[0];
2002
2003                 /* Does argv[0] start with /? its a full path, use it */
2004                 if (remainder[0] == '/')
2005                 {
2006                         std::string::size_type n = remainder.rfind("/inspircd");
2007                         return std::string(remainder, 0, n);
2008                 }
2009
2010                 std::string fullpath = std::string(buffer) + "/" + remainder;
2011                 std::string::size_type n = fullpath.rfind("/inspircd");
2012                 return std::string(fullpath, 0, n);
2013         }
2014 #endif
2015         return "/";
2016 }
2017
2018 InspIRCd* ServerConfig::GetInstance()
2019 {
2020         return ServerInstance;
2021 }
2022
2023 std::string ServerConfig::GetSID()
2024 {
2025         return sid;
2026 }
2027
2028 ValueItem::ValueItem(int value)
2029 {
2030         std::stringstream n;
2031         n << value;
2032         v = n.str();
2033 }
2034
2035 ValueItem::ValueItem(bool value)
2036 {
2037         std::stringstream n;
2038         n << value;
2039         v = n.str();
2040 }
2041
2042 ValueItem::ValueItem(const char* value)
2043 {
2044         v = value;
2045 }
2046
2047 void ValueItem::Set(const char* value)
2048 {
2049         v = value;
2050 }
2051
2052 void ValueItem::Set(int value)
2053 {
2054         std::stringstream n;
2055         n << value;
2056         v = n.str();
2057 }
2058
2059 int ValueItem::GetInteger()
2060 {
2061         if (v.empty())
2062                 return 0;
2063         return atoi(v.c_str());
2064 }
2065
2066 char* ValueItem::GetString()
2067 {
2068         return (char*)v.c_str();
2069 }
2070
2071 bool ValueItem::GetBool()
2072 {
2073         return (GetInteger() || v == "yes" || v == "true");
2074 }
2075
2076
2077
2078
2079 /*
2080  * XXX should this be in a class? -- w00t
2081  */
2082 bool InitTypes(ServerConfig* conf, const char*)
2083 {
2084         if (conf->opertypes.size())
2085         {
2086                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2087                 {
2088                         if (n->second)
2089                                 delete[] n->second;
2090                 }
2091         }
2092
2093         conf->opertypes.clear();
2094         return true;
2095 }
2096
2097 /*
2098  * XXX should this be in a class? -- w00t
2099  */
2100 bool InitClasses(ServerConfig* conf, const char*)
2101 {
2102         if (conf->operclass.size())
2103         {
2104                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2105                 {
2106                         if (n->second.commandlist)
2107                                 delete[] n->second.commandlist;
2108                         if (n->second.cmodelist)
2109                                 delete[] n->second.cmodelist;
2110                         if (n->second.umodelist)
2111                                 delete[] n->second.umodelist;
2112                 }
2113         }
2114
2115         conf->operclass.clear();
2116         return true;
2117 }
2118
2119 /*
2120  * XXX should this be in a class? -- w00t
2121  */
2122 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2123 {
2124         const char* TypeName = values[0].GetString();
2125         const char* Classes = values[1].GetString();
2126
2127         conf->opertypes[TypeName] = strnewdup(Classes);
2128         return true;
2129 }
2130
2131 /*
2132  * XXX should this be in a class? -- w00t
2133  */
2134 bool DoClass(ServerConfig* conf, const char* tag, char**, ValueList &values, int*)
2135 {
2136         const char* ClassName = values[0].GetString();
2137         const char* CommandList = values[1].GetString();
2138         const char* UModeList = values[2].GetString();
2139         const char* CModeList = values[3].GetString();
2140
2141         for (const char* c = UModeList; *c; ++c)
2142         {
2143                 if ((*c < 'A' || *c > 'z') && *c != '*')
2144                 {
2145                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:usermodes>");
2146                 }
2147         }
2148         for (const char* c = CModeList; *c; ++c)
2149         {
2150                 if ((*c < 'A' || *c > 'z') && *c != '*')
2151                 {
2152                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:chanmodes>");
2153                 }
2154         }
2155
2156         conf->operclass[ClassName].commandlist = strnewdup(CommandList);
2157         conf->operclass[ClassName].umodelist = strnewdup(UModeList);
2158         conf->operclass[ClassName].cmodelist = strnewdup(CModeList);
2159         return true;
2160 }
2161
2162 /*
2163  * XXX should this be in a class? -- w00t
2164  */
2165 bool DoneClassesAndTypes(ServerConfig*, const char*)
2166 {
2167         return true;
2168 }
2169
2170
2171
2172 bool InitXLine(ServerConfig* conf, const char* tag)
2173 {
2174         return true;
2175 }
2176
2177 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2178 {
2179         const char* reason = values[0].GetString();
2180         const char* ipmask = values[1].GetString();
2181
2182         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2183         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2184                 delete zl;
2185
2186         return true;
2187 }
2188
2189 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2190 {
2191         const char* reason = values[0].GetString();
2192         const char* nick = values[1].GetString();
2193
2194         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2195         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2196                 delete ql;
2197
2198         return true;
2199 }
2200
2201 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2202 {
2203         const char* reason = values[0].GetString();
2204         const char* host = values[1].GetString();
2205
2206         XLineManager* xlm = conf->GetInstance()->XLines;
2207
2208         IdentHostPair ih = xlm->IdentSplit(host);
2209
2210         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2211         if (!xlm->AddLine(kl, NULL))
2212                 delete kl;
2213         return true;
2214 }
2215
2216 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2217 {
2218         const char* reason = values[0].GetString();
2219         const char* host = values[1].GetString();
2220
2221         XLineManager* xlm = conf->GetInstance()->XLines;
2222
2223         IdentHostPair ih = xlm->IdentSplit(host);
2224
2225         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2226         if (!xlm->AddLine(el, NULL))
2227                 delete el;
2228         return true;
2229 }
2230
2231 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2232 bool DoneELine(ServerConfig* conf, const char* tag)
2233 {
2234         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2235         {
2236                 User* u = (User*)(*u2);
2237                 u->exempt = false;
2238         }
2239
2240         conf->GetInstance()->XLines->CheckELines();
2241         return true;
2242 }
2243
2244 void ConfigReaderThread::Run()
2245 {
2246         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2247         ServerInstance->Config->Read(do_bail, TheUser);
2248         ServerInstance->Threads->Mutex(true);
2249         this->SetExitFlag();
2250         ServerInstance->Threads->Mutex(false);
2251 }
2252