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