src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 /* $Core: libIRCDconfigreader */
  15 /* $CopyInstall: conf/inspircd.quotes.example $(CONPATH) */
  16 /* $CopyInstall: conf/inspircd.rules.example $(CONPATH) */
  17 /* $CopyInstall: conf/inspircd.motd.example $(CONPATH) */
  18 /* $CopyInstall: conf/inspircd.helpop-full.example $(CONPATH) */
  19 /* $CopyInstall: conf/inspircd.helpop.example $(CONPATH) */
  20 /* $CopyInstall: conf/inspircd.censor.example $(CONPATH) */
  21 /* $CopyInstall: conf/inspircd.filter.example $(CONPATH) */
  22 /* $CopyInstall: docs/inspircd.conf.example $(CONPATH) */
  23
  24 #include "inspircd.h"
  25 #include <fstream>
  26 #include "xline.h"
  27 #include "exitcodes.h"
  28 #include "commands/cmd_whowas.h"
  29
  30 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  31
  32 /* Needs forward declaration */
  33 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data);
  34 bool DoneELine(ServerConfig* conf, const char* tag);
  35
  36 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  37 {
  38         this->ClearStack();
  39         *sid = *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  40         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = *HideKillsServer = '\0';
  41         *DefaultModes = *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  42         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  43         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  44         log_file = NULL;
  45         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  46         CycleHosts = writelog = AllowHalfop = true;
  47         dns_timeout = DieDelay = 5;
  48         MaxTargets = 20;
  49         NetBufferSize = 10240;
  50         SoftLimit = Instance->SE->GetMaxFds();
  51         MaxConn = SOMAXCONN;
  52         MaxWhoResults = 0;
  53         debugging = 0;
  54         MaxChans = 20;
  55         OperMaxChans = 30;
  56         maxbans.clear();
  57         DNSServerValidator = &ValidateDnsServer;
  58 }
  59
  60 void ServerConfig::ClearStack()
  61 {
  62         include_stack.clear();
  63 }
  64
  65 Module* ServerConfig::GetIOHook(BufferedSocket* is)
  66 {
  67         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  68         return (x != SocketIOHookModule.end() ? x->second : NULL);
  69 }
  70
  71 bool ServerConfig::AddIOHook(Module* iomod, BufferedSocket* is)
  72 {
  73         if (!GetIOHook(is))
  74         {
  75                 SocketIOHookModule[is] = iomod;
  76                 is->IsIOHooked = true;
  77                 return true;
  78         }
  79         else
  80         {
  81                 throw ModuleException("BufferedSocket derived class already hooked by another module");
  82                 return false;
  83         }
  84 }
  85
  86 bool ServerConfig::DelIOHook(BufferedSocket* is)
  87 {
  88         std::map<BufferedSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  89         if (x != SocketIOHookModule.end())
  90         {
  91                 SocketIOHookModule.erase(x);
  92                 return true;
  93         }
  94         return false;
  95 }
  96
  97 void ServerConfig::Update005()
  98 {
  99         std::stringstream out(data005);
 100         std::string token;
 101         std::string line5;
 102         int token_counter = 0;
 103         isupport.clear();
 104         while (out >> token)
 105         {
 106                 line5 = line5 + token + " ";
 107                 token_counter++;
 108                 if (token_counter >= 13)
 109                 {
 110                         char buf[MAXBUF];
 111                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 112                         isupport.push_back(buf);
 113                         line5.clear();
 114                         token_counter = 0;
 115                 }
 116         }
 117         if (!line5.empty())
 118         {
 119                 char buf[MAXBUF];
 120                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 121                 isupport.push_back(buf);
 122         }
 123 }
 124
 125 void ServerConfig::Send005(User* user)
 126 {
 127         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 128                 user->WriteNumeric(005, "%s %s", user->nick, line->c_str());
 129 }
 130
 131 bool ServerConfig::CheckOnce(const char* tag, ConfigDataHash &newconf)
 132 {
 133         int count = ConfValueEnum(newconf, tag);
 134
 135         if (count > 1)
 136         {
 137                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 138                 return false;
 139         }
 140         if (count < 1)
 141         {
 142                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 143                 return false;
 144         }
 145         return true;
 146 }
 147
 148 bool NoValidation(ServerConfig*, const char*, const char*, ValueItem&)
 149 {
 150         return true;
 151 }
 152
 153 bool DoneConfItem(ServerConfig* conf, const char* tag)
 154 {
 155         return true;
 156 }
 157
 158 void ServerConfig::ValidateNoSpaces(const char* p, const std::string &tag, const std::string &val)
 159 {
 160         for (const char* ptr = p; *ptr; ++ptr)
 161         {
 162                 if (*ptr == ' ')
 163                         throw CoreException("The value of <"+tag+":"+val+"> cannot contain spaces");
 164         }
 165 }
 166
 167 /* NOTE: Before anyone asks why we're not using inet_pton for this, it is because inet_pton and friends do not return so much detail,
 168  * even in strerror(errno). They just return 'yes' or 'no' to an address without such detail as to whats WRONG with the address.
 169  * Because ircd users arent as technical as they used to be (;)) we are going to give more of a useful error message.
 170  */
 171 void ServerConfig::ValidateIP(const char* p, const std::string &tag, const std::string &val, bool wild)
 172 {
 173         int num_dots = 0;
 174         int num_seps = 0;
 175         int not_numbers = false;
 176         int not_hex = false;
 177
 178         if (*p)
 179         {
 180                 if (*p == '.')
 181                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 182
 183                 for (const char* ptr = p; *ptr; ++ptr)
 184                 {
 185                         if (wild && (*ptr == '*' || *ptr == '?' || *ptr == '/'))
 186                                 continue;
 187
 188                         if (*ptr != ':' && *ptr != '.')
 189                         {
 190                                 if (*ptr < '0' || *ptr > '9')
 191                                         not_numbers = true;
 192                                 if ((*ptr < '0' || *ptr > '9') && (toupper(*ptr) < 'A' || toupper(*ptr) > 'F'))
 193                                         not_hex = true;
 194                         }
 195                         switch (*ptr)
 196                         {
 197                                 case ' ':
 198                                         throw CoreException("The value of <"+tag+":"+val+"> is not an IP address");
 199                                 case '.':
 200                                         num_dots++;
 201                                 break;
 202                                 case ':':
 203                                         num_seps++;
 204                                 break;
 205                         }
 206                 }
 207
 208                 if (num_dots > 3)
 209                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv4 address with too many fields!");
 210
 211                 if (num_seps > 8)
 212                         throw CoreException("The value of <"+tag+":"+val+"> is an IPv6 address with too many fields!");
 213
 214                 if (num_seps == 0 && num_dots < 3 && !wild)
 215                         throw CoreException("The value of <"+tag+":"+val+"> looks to be a malformed IPv4 address");
 216
 217                 if (num_seps == 0 && num_dots == 3 && not_numbers)
 218                         throw CoreException("The value of <"+tag+":"+val+"> contains non-numeric characters in an IPv4 address");
 219
 220                 if (num_seps != 0 && not_hex)
 221                         throw CoreException("The value of <"+tag+":"+val+"> contains non-hexdecimal characters in an IPv6 address");
 222
 223                 if (num_seps != 0 && num_dots != 3 && num_dots != 0 && !wild)
 224                         throw CoreException("The value of <"+tag+":"+val+"> is a malformed IPv6 4in6 address");
 225         }
 226 }
 227
 228 void ServerConfig::ValidateHostname(const char* p, const std::string &tag, const std::string &val)
 229 {
 230         int num_dots = 0;
 231         if (*p)
 232         {
 233                 if (*p == '.')
 234                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 235                 for (const char* ptr = p; *ptr; ++ptr)
 236                 {
 237                         switch (*ptr)
 238                         {
 239                                 case ' ':
 240                                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 241                                 case '.':
 242                                         num_dots++;
 243                                 break;
 244                         }
 245                 }
 246                 if (num_dots == 0)
 247                         throw CoreException("The value of <"+tag+":"+val+"> is not a valid hostname");
 248         }
 249 }
 250
 251 bool ValidateMaxTargets(ServerConfig* conf, const char*, const char*, ValueItem &data)
 252 {
 253         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 254         {
 255                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <security:maxtargets> value is greater than 31 or less than 0, set to 20.");
 256                 data.Set(20);
 257         }
 258         return true;
 259 }
 260
 261 bool ValidateSoftLimit(ServerConfig* conf, const char*, const char*, ValueItem &data)
 262 {
 263         if ((data.GetInteger() < 1) || (data.GetInteger() > conf->GetInstance()->SE->GetMaxFds()))
 264         {
 265                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <performance:softlimit> value is greater than %d or less than 0, set to %d.",conf->GetInstance()->SE->GetMaxFds(),conf->GetInstance()->SE->GetMaxFds());
 266                 data.Set(conf->GetInstance()->SE->GetMaxFds());
 267         }
 268         return true;
 269 }
 270
 271 bool ValidateMaxConn(ServerConfig* conf, const char*, const char*, ValueItem &data)
 272 {
 273         if (data.GetInteger() > SOMAXCONN)
 274                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <performance:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 275         return true;
 276 }
 277
 278 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 279 {
 280         std::stringstream dcmds(data);
 281         std::string thiscmd;
 282
 283         /* Enable everything first */
 284         for (Commandable::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 285                 x->second->Disable(false);
 286
 287         /* Now disable all the ones which the user wants disabled */
 288         while (dcmds >> thiscmd)
 289         {
 290                 Commandable::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 291                 if (cm != ServerInstance->Parser->cmdlist.end())
 292                 {
 293                         cm->second->Disable(true);
 294                 }
 295         }
 296         return true;
 297 }
 298
 299 bool ValidateDnsServer(ServerConfig* conf, const char*, const char*, ValueItem &data)
 300 {
 301         if (!*(data.GetString()))
 302         {
 303                 std::string nameserver;
 304                 // attempt to look up their nameserver from /etc/resolv.conf
 305                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 306                 std::ifstream resolv("/etc/resolv.conf");
 307                 bool found_server = false;
 308
 309                 if (resolv.is_open())
 310                 {
 311                         while (resolv >> nameserver)
 312                         {
 313                                 if ((nameserver == "nameserver") && (!found_server))
 314                                 {
 315                                         resolv >> nameserver;
 316                                         data.Set(nameserver.c_str());
 317                                         found_server = true;
 318                                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 319                                 }
 320                         }
 321
 322                         if (!found_server)
 323                         {
 324                                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 325                                 data.Set("127.0.0.1");
 326                         }
 327                 }
 328                 else
 329                 {
 330                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 331                         data.Set("127.0.0.1");
 332                 }
 333         }
 334         return true;
 335 }
 336
 337 bool ValidateServerName(ServerConfig* conf, const char*, const char*, ValueItem &data)
 338 {
 339         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server name");
 340         /* If we already have a servername, and they changed it, we should throw an exception. */
 341         if (!strchr(data.GetString(), '.'))
 342         {
 343                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 344                 std::string moo = std::string(data.GetString()).append(".");
 345                 data.Set(moo.c_str());
 346         }
 347         conf->ValidateHostname(data.GetString(), "server", "name");
 348         return true;
 349 }
 350
 351 bool ValidateNetBufferSize(ServerConfig* conf, const char*, const char*, ValueItem &data)
 352 {
 353         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 354         {
 355                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 356                 data.Set(10240);
 357         }
 358         return true;
 359 }
 360
 361 bool ValidateMaxWho(ServerConfig* conf, const char*, const char*, ValueItem &data)
 362 {
 363         if ((data.GetInteger() > 65535) || (data.GetInteger() < 1))
 364         {
 365                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"<performance:maxwho> size out of range, setting to default of 128.");
 366                 data.Set(128);
 367         }
 368         return true;
 369 }
 370
 371 bool ValidateMotd(ServerConfig* conf, const char*, const char*, ValueItem &data)
 372 {
 373         conf->ReadFile(conf->MOTD, data.GetString());
 374         return true;
 375 }
 376
 377 bool ValidateNotEmpty(ServerConfig*, const char* tag, const char*, ValueItem &data)
 378 {
 379         if (!*data.GetString())
 380                 throw CoreException(std::string("The value for ")+tag+" cannot be empty!");
 381         return true;
 382 }
 383
 384 bool ValidateRules(ServerConfig* conf, const char*, const char*, ValueItem &data)
 385 {
 386         conf->ReadFile(conf->RULES, data.GetString());
 387         return true;
 388 }
 389
 390 bool ValidateModeLists(ServerConfig* conf, const char*, const char*, ValueItem &data)
 391 {
 392         memset(conf->HideModeLists, 0, 256);
 393         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 394                 conf->HideModeLists[*x] = true;
 395         return true;
 396 }
 397
 398 bool ValidateExemptChanOps(ServerConfig* conf, const char*, const char*, ValueItem &data)
 399 {
 400         memset(conf->ExemptChanOps, 0, 256);
 401         for (const unsigned char* x = (const unsigned char*)data.GetString(); *x; ++x)
 402                 conf->ExemptChanOps[*x] = true;
 403         return true;
 404 }
 405
 406 bool ValidateInvite(ServerConfig* conf, const char*, const char*, ValueItem &data)
 407 {
 408         std::string v = data.GetString();
 409
 410         if (v == "ops")
 411                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_OPS;
 412         else if (v == "all")
 413                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_ALL;
 414         else if (v == "dynamic")
 415                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_DYNAMIC;
 416         else
 417                 conf->AnnounceInvites = ServerConfig::INVITE_ANNOUNCE_NONE;
 418
 419         return true;
 420 }
 421
 422 bool ValidateSID(ServerConfig* conf, const char*, const char*, ValueItem &data)
 423 {
 424         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Validating server id");
 425
 426         const char *sid = data.GetString();
 427
 428         if (*sid && !conf->GetInstance()->IsSID(sid))
 429         {
 430                 throw CoreException(std::string(sid) + " is not a valid server ID. A server ID must be 3 characters long, with the first character a digit and the next two characters a digit or letter.");
 431         }
 432
 433         strlcpy(conf->sid, sid, 5);
 434
 435         return true;
 436 }
 437
 438 bool ValidateWhoWas(ServerConfig* conf, const char*, const char*, ValueItem &data)
 439 {
 440         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 441
 442         if (conf->WhoWasGroupSize < 0)
 443                 conf->WhoWasGroupSize = 0;
 444
 445         if (conf->WhoWasMaxGroups < 0)
 446                 conf->WhoWasMaxGroups = 0;
 447
 448         if (conf->WhoWasMaxKeep < 3600)
 449         {
 450                 conf->WhoWasMaxKeep = 3600;
 451                 conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 452         }
 453
 454         Command* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 455         if (whowas_command)
 456         {
 457                 std::deque<classbase*> params;
 458                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 459         }
 460
 461         return true;
 462 }
 463
 464 /* Callback called before processing the first <connect> tag
 465  */
 466 bool InitConnect(ServerConfig* conf, const char*)
 467 {
 468         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes...");
 469
 470         for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; )
 471         {
 472                 ConnectClass* c = *i;
 473
 474                 /* only delete a class with refcount 0 */
 475                 if (c->RefCount == 0)
 476                 {
 477                         conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!");
 478
 479                         /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would
 480                          * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good.
 481                          * Now the increment is in the else { } below.
 482                          */
 483                         conf->Classes.erase(i);
 484                         i = conf->Classes.begin(); // start over so we don't trample on a bad iterator
 485                 }
 486                 else
 487                 {
 488                         /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */
 489                         c->SetDisabled(true);
 490                         i++;
 491                 }
 492         }
 493
 494         return true;
 495 }
 496
 497 /* Callback called to process a single <connect> tag
 498  */
 499 bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*)
 500 {
 501         ConnectClass c;
 502         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 503         const char* deny = values[1].GetString();
 504         const char* password = values[2].GetString();
 505         int timeout = values[3].GetInteger();
 506         int pingfreq = values[4].GetInteger();
 507         int flood = values[5].GetInteger();
 508         int threshold = values[6].GetInteger();
 509         int sendq = values[7].GetInteger();
 510         int recvq = values[8].GetInteger();
 511         int localmax = values[9].GetInteger();
 512         int globalmax = values[10].GetInteger();
 513         int port = values[11].GetInteger();
 514         const char* name = values[12].GetString();
 515         const char* parent = values[13].GetString();
 516         int maxchans = values[14].GetInteger();
 517         unsigned long limit = values[15].GetInteger();
 518         const char* hashtype = values[16].GetString();
 519
 520         /*
 521          * duplicates check: Now we don't delete all connect classes on rehash, we need to ensure we don't add dupes.
 522          * easier said than done, but for now we'll just disallow anything with a duplicate host or name. -- w00t
 523          */
 524         for (ClassVector::iterator item = conf->Classes.begin(); item != conf->Classes.end(); ++item)
 525         {
 526                 ConnectClass* cc = *item;
 527                 if ((*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 ((ch = fgetc(conf)) != EOF)
1337         {
1338                 /*
1339                  * Fix for moronic windows issue spotted by Adremelech.
1340                  * Some windows editors save text files as utf-16, which is
1341                  * a total pain in the ass to parse. Users should save in the
1342                  * right config format! If we ever see a file where the first
1343                  * byte is 0xFF or 0xFE, or the second is 0xFF or 0xFE, then
1344                  * this is most likely a utf-16 file. Bail out and insult user.
1345                  */
1346                 if ((character_count++ < 2) && (ch == '\xFF' || ch == '\xFE'))
1347                 {
1348                         errorstream << "File " << filename << " cannot be read, as it is encoded in braindead UTF-16. Save your file as plain ASCII!" << std::endl;
1349                         return false;
1350                 }
1351
1352                 /*
1353                  * Here we try and get individual tags on separate lines,
1354                  * this would be so easy if we just made people format
1355                  * their config files like that, but they don't so...
1356                  * We check for a '<' and then know the line is over when
1357                  * we get a '>' not inside quotes. If we find two '<' and
1358                  * no '>' then die with an error.
1359                  */
1360
1361                 if ((ch == '#') && !in_quote)
1362                         in_comment = true;
1363
1364                 switch (ch)
1365                 {
1366                         case '\n':
1367                                 if (in_quote)
1368                                         line += '\n';
1369                                 linenumber++;
1370                         case '\r':
1371                                 if (!in_quote)
1372                                         in_comment = false;
1373                         case '\0':
1374                                 continue;
1375                         case '\t':
1376                                 ch = ' ';
1377                 }
1378
1379                 if(in_comment)
1380                         continue;
1381
1382                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
1383                  * Note that this WILL NOT usually allow insertion of newlines,
1384                  * because a newline is two characters long. Use it primarily to
1385                  * insert the " symbol.
1386                  *
1387                  * Note that this also involves a further check when parsing the line,
1388                  * which can be found below.
1389                  */
1390                 if ((ch == '\\') && (in_quote) && (in_tag))
1391                 {
1392                         line += ch;
1393                         char real_character;
1394                         if (!feof(conf))
1395                         {
1396                                 real_character = fgetc(conf);
1397                                 if (real_character == 'n')
1398                                         real_character = '\n';
1399                                 line += real_character;
1400                                 continue;
1401                         }
1402                         else
1403                         {
1404                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
1405                                 return false;
1406                         }
1407                 }
1408
1409                 if (ch != '\r')
1410                         line += ch;
1411
1412                 if (ch == '<')
1413                 {
1414                         if (in_tag)
1415                         {
1416                                 if (!in_quote)
1417                                 {
1418                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1419                                         return false;
1420                                 }
1421                         }
1422                         else
1423                         {
1424                                 if (in_quote)
1425                                 {
1426                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1427                                         return false;
1428                                 }
1429                                 else
1430                                 {
1431                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1432                                         in_tag = true;
1433                                 }
1434                         }
1435                 }
1436                 else if (ch == '"')
1437                 {
1438                         if (in_tag)
1439                         {
1440                                 if (in_quote)
1441                                 {
1442                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1443                                         in_quote = false;
1444                                 }
1445                                 else
1446                                 {
1447                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1448                                         in_quote = true;
1449                                 }
1450                         }
1451                         else
1452                         {
1453                                 if (in_quote)
1454                                 {
1455                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1456                                 }
1457                                 else
1458                                 {
1459                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1460                                 }
1461                         }
1462                 }
1463                 else if (ch == '>')
1464                 {
1465                         if (!in_quote)
1466                         {
1467                                 if (in_tag)
1468                                 {
1469                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1470                                         in_tag = false;
1471
1472                                         /*
1473                                          * If this finds an <include> then ParseLine can simply call
1474                                          * LoadConf() and load the included config into the same ConfigDataHash
1475                                          */
1476                                         if (!this->ParseLine(target, line, linenumber, errorstream))
1477                                                 return false;
1478
1479                                         line.clear();
1480                                 }
1481                                 else
1482                                 {
1483                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1484                                         return false;
1485                                 }
1486                         }
1487                 }
1488         }
1489
1490         /* Fix for bug #392 - if we reach the end of a file and we are still in a quote or comment, most likely the user fucked up */
1491         if (in_comment || in_quote)
1492         {
1493                 errorstream << "Reached end of file whilst still inside a quoted section or tag. This is most likely an error or there \
1494                         is a newline missing from the end of the file: " << filename << ":" << linenumber << std::endl;
1495         }
1496
1497         return true;
1498 }
1499
1500
1501 bool ServerConfig::LoadConf(ConfigDataHash &target, FILE* &conf, const std::string &filename, std::ostringstream &errorstream)
1502 {
1503         return this->LoadConf(target, conf, filename.c_str(), errorstream);
1504 }
1505
1506 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long &linenumber, std::ostringstream &errorstream)
1507 {
1508         std::string tagname;
1509         std::string current_key;
1510         std::string current_value;
1511         KeyValList results;
1512         bool got_name;
1513         bool got_key;
1514         bool in_quote;
1515
1516         got_name = got_key = in_quote = false;
1517
1518         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1519         {
1520                 if (!got_name)
1521                 {
1522                         /* We don't know the tag name yet. */
1523
1524                         if (*c != ' ')
1525                         {
1526                                 if (*c != '<')
1527                                 {
1528                                         tagname += *c;
1529                                 }
1530                         }
1531                         else
1532                         {
1533                                 /* We got to a space, we should have the tagname now. */
1534                                 if(tagname.length())
1535                                 {
1536                                         got_name = true;
1537                                 }
1538                         }
1539                 }
1540                 else
1541                 {
1542                         /* We have the tag name */
1543                         if (!got_key)
1544                         {
1545                                 /* We're still reading the key name */
1546                                 if (*c != '=')
1547                                 {
1548                                         if (*c != ' ')
1549                                         {
1550                                                 current_key += *c;
1551                                         }
1552                                 }
1553                                 else
1554                                 {
1555                                         /* We got an '=', end of the key name. */
1556                                         got_key = true;
1557                                 }
1558                         }
1559                         else
1560                         {
1561                                 /* We have the key name, now we're looking for quotes and the value */
1562
1563                                 /* Correctly handle escaped characters here.
1564                                  * See the XXX'ed section above.
1565                                  */
1566                                 if ((*c == '\\') && (in_quote))
1567                                 {
1568                                         c++;
1569                                         if (*c == 'n')
1570                                                 current_value += '\n';
1571                                         else
1572                                                 current_value += *c;
1573                                         continue;
1574                                 }
1575                                 else if ((*c == '\n') && (in_quote))
1576                                 {
1577                                         /* Got a 'real' \n, treat it as part of the value */
1578                                         current_value += '\n';
1579                                         linenumber++;
1580                                         continue;
1581                                 }
1582                                 else if ((*c == '\r') && (in_quote))
1583                                         /* Got a \r, drop it */
1584                                         continue;
1585
1586                                 if (*c == '"')
1587                                 {
1588                                         if (!in_quote)
1589                                         {
1590                                                 /* We're not already in a quote. */
1591                                                 in_quote = true;
1592                                         }
1593                                         else
1594                                         {
1595                                                 /* Leaving the quotes, we have the current value */
1596                                                 results.push_back(KeyVal(current_key, current_value));
1597
1598                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1599
1600                                                 in_quote = false;
1601                                                 got_key = false;
1602
1603                                                 if ((tagname == "include") && (current_key == "file"))
1604                                                 {
1605                                                         if (!this->DoInclude(target, current_value, errorstream))
1606                                                                 return false;
1607                                                 }
1608                                                 else if ((tagname == "include") && (current_key == "executable"))
1609                                                 {
1610                                                         /* Pipe an executable and use its stdout as config data */
1611                                                         if (!this->DoPipe(target, current_value, errorstream))
1612                                                                 return false;
1613                                                 }
1614
1615                                                 current_key.clear();
1616                                                 current_value.clear();
1617                                         }
1618                                 }
1619                                 else
1620                                 {
1621                                         if (in_quote)
1622                                         {
1623                                                 current_value += *c;
1624                                         }
1625                                 }
1626                         }
1627                 }
1628         }
1629
1630         /* Finished parsing the tag, add it to the config hash */
1631         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1632
1633         return true;
1634 }
1635
1636 bool ServerConfig::DoPipe(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1637 {
1638         FILE* conf = popen(file.c_str(), "r");
1639         bool ret = false;
1640
1641         if (conf)
1642         {
1643                 ret = LoadConf(target, conf, file.c_str(), errorstream);
1644                 pclose(conf);
1645         }
1646         else
1647                 errorstream << "Couldn't execute: " << file << std::endl;
1648
1649         return ret;
1650 }
1651
1652 bool ServerConfig::StartsWithWindowsDriveLetter(const std::string &path)
1653 {
1654         return (path.length() > 2 && isalpha(path[0]) && path[1] == ':');
1655 }
1656
1657 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1658 {
1659         std::string confpath;
1660         std::string newfile;
1661         std::string::size_type pos;
1662
1663         confpath = ServerInstance->ConfigFileName;
1664         newfile = file;
1665
1666         std::replace(newfile.begin(),newfile.end(),'\\','/');
1667         std::replace(confpath.begin(),confpath.end(),'\\','/');
1668
1669         if ((newfile[0] != '/') && (!StartsWithWindowsDriveLetter(newfile)))
1670         {
1671                 if((pos = confpath.rfind("/")) != std::string::npos)
1672                 {
1673                         /* Leaves us with just the path */
1674                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1675                 }
1676                 else
1677                 {
1678                         errorstream << "Couldn't get config path from: " << ServerInstance->ConfigFileName << std::endl;
1679                         return false;
1680                 }
1681         }
1682
1683         FILE* conf = fopen(newfile.c_str(), "r");
1684         bool ret = false;
1685
1686         if (conf)
1687         {
1688                 ret = LoadConf(target, conf, newfile, errorstream);
1689                 fclose(conf);
1690         }
1691         else
1692                 errorstream << "Couldn't open config file: " << file << std::endl;
1693
1694         return ret;
1695 }
1696
1697 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1698 {
1699         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1700 }
1701
1702 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1703 {
1704         std::string value;
1705         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1706         strlcpy(result, value.c_str(), length);
1707         return r;
1708 }
1709
1710 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1711 {
1712         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1713 }
1714
1715 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)
1716 {
1717         ConfigDataHash::size_type pos = index;
1718         if (pos < target.count(tag))
1719         {
1720                 ConfigDataHash::iterator iter = target.find(tag);
1721
1722                 for(int i = 0; i < index; i++)
1723                         iter++;
1724
1725                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1726                 {
1727                         if(j->first == var)
1728                         {
1729                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1730                                 {
1731                                         ServerInstance->Logs->Log("CONFIG",DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1732                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1733                                                 if (*n == '\n')
1734                                                         *n = ' ';
1735                                 }
1736                                 else
1737                                 {
1738                                         result = j->second;
1739                                         return true;
1740                                 }
1741                         }
1742                 }
1743                 if (!default_value.empty())
1744                 {
1745                         result = default_value;
1746                         return true;
1747                 }
1748         }
1749         else if (pos == 0)
1750         {
1751                 if (!default_value.empty())
1752                 {
1753                         result = default_value;
1754                         return true;
1755                 }
1756         }
1757         return false;
1758 }
1759
1760 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1761 {
1762         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1763 }
1764
1765 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1766 {
1767         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1768 }
1769
1770 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1771 {
1772         return ConfValueInteger(target, tag, var, "", index, result);
1773 }
1774
1775 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1776 {
1777         std::string value;
1778         std::istringstream stream;
1779         bool r = ConfValue(target, tag, var, default_value, index, value);
1780         stream.str(value);
1781         if(!(stream >> result))
1782                 return false;
1783         else
1784         {
1785                 if (!value.empty())
1786                 {
1787                         if (value.substr(0,2) == "0x")
1788                         {
1789                                 char* endptr;
1790
1791                                 value.erase(0,2);
1792                                 result = strtol(value.c_str(), &endptr, 16);
1793
1794                                 /* No digits found */
1795                                 if (endptr == value.c_str())
1796                                         return false;
1797                         }
1798                         else
1799                         {
1800                                 char denominator = *(value.end() - 1);
1801                                 switch (toupper(denominator))
1802                                 {
1803                                         case 'K':
1804                                                 /* Kilobytes -> bytes */
1805                                                 result = result * 1024;
1806                                         break;
1807                                         case 'M':
1808                                                 /* Megabytes -> bytes */
1809                                                 result = result * 1024 * 1024;
1810                                         break;
1811                                         case 'G':
1812                                                 /* Gigabytes -> bytes */
1813                                                 result = result * 1024 * 1024 * 1024;
1814                                         break;
1815                                 }
1816                         }
1817                 }
1818         }
1819         return r;
1820 }
1821
1822
1823 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1824 {
1825         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1826 }
1827
1828 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1829 {
1830         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1831 }
1832
1833 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1834 {
1835         return ConfValueBool(target, tag, var, "", index);
1836 }
1837
1838 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1839 {
1840         std::string result;
1841         if(!ConfValue(target, tag, var, default_value, index, result))
1842                 return false;
1843
1844         return ((result == "yes") || (result == "true") || (result == "1"));
1845 }
1846
1847 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1848 {
1849         return target.count(tag);
1850 }
1851
1852 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1853 {
1854         return target.count(tag);
1855 }
1856
1857 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1858 {
1859         return ConfVarEnum(target, std::string(tag), index);
1860 }
1861
1862 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1863 {
1864         ConfigDataHash::size_type pos = index;
1865
1866         if (pos < target.count(tag))
1867         {
1868                 ConfigDataHash::const_iterator iter = target.find(tag);
1869
1870                 for(int i = 0; i < index; i++)
1871                         iter++;
1872
1873                 return iter->second.size();
1874         }
1875
1876         return 0;
1877 }
1878
1879 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1880  */
1881 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1882 {
1883         if (!fname || !*fname)
1884                 return false;
1885
1886         FILE* file = NULL;
1887         char linebuf[MAXBUF];
1888
1889         F.clear();
1890
1891         if ((*fname != '/') && (*fname != '\\') && (!StartsWithWindowsDriveLetter(fname)))
1892         {
1893                 std::string::size_type pos;
1894                 std::string confpath = ServerInstance->ConfigFileName;
1895                 std::string newfile = fname;
1896
1897                 if (((pos = confpath.rfind("/"))) != std::string::npos)
1898                         newfile = confpath.substr(0, pos) + std::string("/") + fname;
1899                 else if (((pos = confpath.rfind("\\"))) != std::string::npos)
1900                         newfile = confpath.substr(0, pos) + std::string("\\") + fname;
1901
1902                 ServerInstance->Logs->Log("config", DEBUG, "Filename: %s", newfile.c_str());
1903
1904                 if (!FileExists(newfile.c_str()))
1905                         return false;
1906                 file =  fopen(newfile.c_str(), "r");
1907         }
1908         else
1909         {
1910                 if (!FileExists(fname))
1911                         return false;
1912                 file =  fopen(fname, "r");
1913         }
1914
1915         if (file)
1916         {
1917                 while (!feof(file))
1918                 {
1919                         if (fgets(linebuf, sizeof(linebuf), file))
1920                                 linebuf[strlen(linebuf)-1] = 0;
1921                         else
1922                                 *linebuf = 0;
1923
1924                         F.push_back(*linebuf ? linebuf : " ");
1925                 }
1926
1927                 fclose(file);
1928         }
1929         else
1930                 return false;
1931
1932         return true;
1933 }
1934
1935 bool ServerConfig::FileExists(const char* file)
1936 {
1937         struct stat sb;
1938         if (stat(file, &sb) == -1)
1939                 return false;
1940
1941         if ((sb.st_mode & S_IFDIR) > 0)
1942                 return false;
1943
1944         FILE *input;
1945         if ((input = fopen (file, "r")) == NULL)
1946                 return false;
1947         else
1948         {
1949                 fclose(input);
1950                 return true;
1951         }
1952 }
1953
1954 char* ServerConfig::CleanFilename(char* name)
1955 {
1956         char* p = name + strlen(name);
1957         while ((p != name) && (*p != '/') && (*p != '\\')) p--;
1958         return (p != name ? ++p : p);
1959 }
1960
1961
1962 bool ServerConfig::DirValid(const char* dirandfile)
1963 {
1964 #ifdef WINDOWS
1965         return true;
1966 #else
1967
1968         char work[1024];
1969         char buffer[1024];
1970         char otherdir[1024];
1971         int p;
1972
1973         strlcpy(work, dirandfile, 1024);
1974         p = strlen(work);
1975
1976         // we just want the dir
1977         while (*work)
1978         {
1979                 if (work[p] == '/')
1980                 {
1981                         work[p] = '\0';
1982                         break;
1983                 }
1984
1985                 work[p--] = '\0';
1986         }
1987
1988         // Get the current working directory
1989         if (getcwd(buffer, 1024 ) == NULL )
1990                 return false;
1991
1992         if (chdir(work) == -1)
1993                 return false;
1994
1995         if (getcwd(otherdir, 1024 ) == NULL )
1996                 return false;
1997
1998         if (chdir(buffer) == -1)
1999                 return false;
2000
2001         size_t t = strlen(work);
2002
2003         if (strlen(otherdir) >= t)
2004         {
2005                 otherdir[t] = '\0';
2006                 if (!strcmp(otherdir,work))
2007                 {
2008                         return true;
2009                 }
2010
2011                 return false;
2012         }
2013         else
2014         {
2015                 return false;
2016         }
2017 #endif
2018 }
2019
2020 std::string ServerConfig::GetFullProgDir()
2021 {
2022         char buffer[PATH_MAX+1];
2023 #ifdef WINDOWS
2024         /* Windows has specific api calls to get the exe path that never fail.
2025          * For once, windows has something of use, compared to the POSIX code
2026          * for this, this is positively neato.
2027          */
2028         if (GetModuleFileName(NULL, buffer, MAX_PATH))
2029         {
2030                 std::string fullpath = buffer;
2031                 std::string::size_type n = fullpath.rfind("\\inspircd.exe");
2032                 return std::string(fullpath, 0, n);
2033         }
2034 #else
2035         // Get the current working directory
2036         if (getcwd(buffer, PATH_MAX))
2037         {
2038                 std::string remainder = this->argv[0];
2039
2040                 /* Does argv[0] start with /? its a full path, use it */
2041                 if (remainder[0] == '/')
2042                 {
2043                         std::string::size_type n = remainder.rfind("/inspircd");
2044                         return std::string(remainder, 0, n);
2045                 }
2046
2047                 std::string fullpath = std::string(buffer) + "/" + remainder;
2048                 std::string::size_type n = fullpath.rfind("/inspircd");
2049                 return std::string(fullpath, 0, n);
2050         }
2051 #endif
2052         return "/";
2053 }
2054
2055 InspIRCd* ServerConfig::GetInstance()
2056 {
2057         return ServerInstance;
2058 }
2059
2060 std::string ServerConfig::GetSID()
2061 {
2062         return sid;
2063 }
2064
2065 ValueItem::ValueItem(int value)
2066 {
2067         std::stringstream n;
2068         n << value;
2069         v = n.str();
2070 }
2071
2072 ValueItem::ValueItem(bool value)
2073 {
2074         std::stringstream n;
2075         n << value;
2076         v = n.str();
2077 }
2078
2079 ValueItem::ValueItem(const char* value)
2080 {
2081         v = value;
2082 }
2083
2084 void ValueItem::Set(const char* value)
2085 {
2086         v = value;
2087 }
2088
2089 void ValueItem::Set(int value)
2090 {
2091         std::stringstream n;
2092         n << value;
2093         v = n.str();
2094 }
2095
2096 int ValueItem::GetInteger()
2097 {
2098         if (v.empty())
2099                 return 0;
2100         return atoi(v.c_str());
2101 }
2102
2103 char* ValueItem::GetString()
2104 {
2105         return (char*)v.c_str();
2106 }
2107
2108 bool ValueItem::GetBool()
2109 {
2110         return (GetInteger() || v == "yes" || v == "true");
2111 }
2112
2113
2114
2115
2116 /*
2117  * XXX should this be in a class? -- w00t
2118  */
2119 bool InitTypes(ServerConfig* conf, const char*)
2120 {
2121         if (conf->opertypes.size())
2122         {
2123                 for (opertype_t::iterator n = conf->opertypes.begin(); n != conf->opertypes.end(); n++)
2124                 {
2125                         if (n->second)
2126                                 delete[] n->second;
2127                 }
2128         }
2129
2130         conf->opertypes.clear();
2131         return true;
2132 }
2133
2134 /*
2135  * XXX should this be in a class? -- w00t
2136  */
2137 bool InitClasses(ServerConfig* conf, const char*)
2138 {
2139         if (conf->operclass.size())
2140         {
2141                 for (operclass_t::iterator n = conf->operclass.begin(); n != conf->operclass.end(); n++)
2142                 {
2143                         if (n->second.commandlist)
2144                                 delete[] n->second.commandlist;
2145                         if (n->second.cmodelist)
2146                                 delete[] n->second.cmodelist;
2147                         if (n->second.umodelist)
2148                                 delete[] n->second.umodelist;
2149                 }
2150         }
2151
2152         conf->operclass.clear();
2153         return true;
2154 }
2155
2156 /*
2157  * XXX should this be in a class? -- w00t
2158  */
2159 bool DoType(ServerConfig* conf, const char*, char**, ValueList &values, int*)
2160 {
2161         const char* TypeName = values[0].GetString();
2162         const char* Classes = values[1].GetString();
2163
2164         conf->opertypes[TypeName] = strnewdup(Classes);
2165         return true;
2166 }
2167
2168 /*
2169  * XXX should this be in a class? -- w00t
2170  */
2171 bool DoClass(ServerConfig* conf, const char* tag, char**, ValueList &values, int*)
2172 {
2173         const char* ClassName = values[0].GetString();
2174         const char* CommandList = values[1].GetString();
2175         const char* UModeList = values[2].GetString();
2176         const char* CModeList = values[3].GetString();
2177
2178         for (const char* c = UModeList; *c; ++c)
2179         {
2180                 if ((*c < 'A' || *c > 'z') && *c != '*')
2181                 {
2182                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:usermodes>");
2183                 }
2184         }
2185         for (const char* c = CModeList; *c; ++c)
2186         {
2187                 if ((*c < 'A' || *c > 'z') && *c != '*')
2188                 {
2189                         throw CoreException("Character " + std::string(1, *c) + " is not a valid mode in <class:chanmodes>");
2190                 }
2191         }
2192
2193         conf->operclass[ClassName].commandlist = strnewdup(CommandList);
2194         conf->operclass[ClassName].umodelist = strnewdup(UModeList);
2195         conf->operclass[ClassName].cmodelist = strnewdup(CModeList);
2196         return true;
2197 }
2198
2199 /*
2200  * XXX should this be in a class? -- w00t
2201  */
2202 bool DoneClassesAndTypes(ServerConfig*, const char*)
2203 {
2204         return true;
2205 }
2206
2207
2208
2209 bool InitXLine(ServerConfig* conf, const char* tag)
2210 {
2211         return true;
2212 }
2213
2214 bool DoZLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2215 {
2216         const char* reason = values[0].GetString();
2217         const char* ipmask = values[1].GetString();
2218
2219         ZLine* zl = new ZLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ipmask);
2220         if (!conf->GetInstance()->XLines->AddLine(zl, NULL))
2221                 delete zl;
2222
2223         return true;
2224 }
2225
2226 bool DoQLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2227 {
2228         const char* reason = values[0].GetString();
2229         const char* nick = values[1].GetString();
2230
2231         QLine* ql = new QLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, nick);
2232         if (!conf->GetInstance()->XLines->AddLine(ql, NULL))
2233                 delete ql;
2234
2235         return true;
2236 }
2237
2238 bool DoKLine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2239 {
2240         const char* reason = values[0].GetString();
2241         const char* host = values[1].GetString();
2242
2243         XLineManager* xlm = conf->GetInstance()->XLines;
2244
2245         IdentHostPair ih = xlm->IdentSplit(host);
2246
2247         KLine* kl = new KLine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2248         if (!xlm->AddLine(kl, NULL))
2249                 delete kl;
2250         return true;
2251 }
2252
2253 bool DoELine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
2254 {
2255         const char* reason = values[0].GetString();
2256         const char* host = values[1].GetString();
2257
2258         XLineManager* xlm = conf->GetInstance()->XLines;
2259
2260         IdentHostPair ih = xlm->IdentSplit(host);
2261
2262         ELine* el = new ELine(conf->GetInstance(), conf->GetInstance()->Time(), 0, "<Config>", reason, ih.first.c_str(), ih.second.c_str());
2263         if (!xlm->AddLine(el, NULL))
2264                 delete el;
2265         return true;
2266 }
2267
2268 // this should probably be moved to configreader, but atm it relies on CheckELines above.
2269 bool DoneELine(ServerConfig* conf, const char* tag)
2270 {
2271         for (std::vector<User*>::const_iterator u2 = conf->GetInstance()->Users->local_users.begin(); u2 != conf->GetInstance()->Users->local_users.end(); u2++)
2272         {
2273                 User* u = (User*)(*u2);
2274                 u->exempt = false;
2275         }
2276
2277         conf->GetInstance()->XLines->CheckELines();
2278         return true;
2279 }
2280
2281 void ConfigReaderThread::Run()
2282 {
2283         /* TODO: TheUser may be invalid by the time we get here! Check its validity, or pass a UID would be better */
2284         ServerInstance->Config->Read(do_bail, TheUser);
2285         ServerInstance->Threads->Mutex(true);
2286         this->SetExitFlag();
2287         ServerInstance->Threads->Mutex(false);
2288 }
2289