src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                     E-mail:
   7  *              <brain@chatspike.net>
   8  *              <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *          the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd_config.h"
  18 #include "configreader.h"
  19 #include <string>
  20 #include <sstream>
  21 #include <iostream>
  22 #include <fstream>
  23 #include "inspircd.h"
  24 #include "inspstring.h"
  25 #include "helperfuncs.h"
  26 #include "userprocess.h"
  27 #include "xline.h"
  28
  29 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  30
  31 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  32 {
  33         this->ClearStack();
  34         *TempDir = *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  35         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  36         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  37         *OperOnlyStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  38         log_file = NULL;
  39         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = false;
  40         writelog = AllowHalfop = true;
  41         dns_timeout = DieDelay = 5;
  42         MaxTargets = 20;
  43         NetBufferSize = 10240;
  44         SoftLimit = MAXCLIENTS;
  45         MaxConn = SOMAXCONN;
  46         MaxWhoResults = 100;
  47         debugging = 0;
  48         LogLevel = DEFAULT;
  49         maxbans.clear();
  50 }
  51
  52 void ServerConfig::ClearStack()
  53 {
  54         include_stack.clear();
  55 }
  56
  57 Module* ServerConfig::GetIOHook(int port)
  58 {
  59         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  60         return (x != IOHookModule.end() ? x->second : NULL);
  61 }
  62
  63 bool ServerConfig::AddIOHook(int port, Module* iomod)
  64 {
  65         if (!GetIOHook(port))
  66         {
  67                 IOHookModule[port] = iomod;
  68                 return true;
  69         }
  70         else
  71         {
  72                 ModuleException err("Port already hooked by another module");
  73                 throw(err);
  74                 return false;
  75         }
  76 }
  77
  78 bool ServerConfig::DelIOHook(int port)
  79 {
  80         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  81         if (x != IOHookModule.end())
  82         {
  83                 IOHookModule.erase(x);
  84                 return true;
  85         }
  86         return false;
  87 }
  88
  89 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
  90 {
  91         int count = ConfValueEnum(this->config_data, tag);
  92
  93         if (count > 1)
  94         {
  95                 if (bail)
  96                 {
  97                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
  98                         InspIRCd::Exit(ERROR);
  99                 }
 100                 else
 101                 {
 102                         if (user)
 103                         {
 104                                 user->WriteServ("There were errors in your configuration:");
 105                                 user->WriteServ("You have more than one <%s> tag, this is not permitted.\n",tag);
 106                         }
 107                         else
 108                         {
 109                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 110                                 ServerInstance->WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 111                         }
 112                 }
 113                 return false;
 114         }
 115         if (count < 1)
 116         {
 117                 if (bail)
 118                 {
 119                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 120                         InspIRCd::Exit(ERROR);
 121                 }
 122                 else
 123                 {
 124                         if (user)
 125                         {
 126                                 user->WriteServ("There were errors in your configuration:");
 127                                 user->WriteServ("You have not defined a <%s> tag, this is required.",tag);
 128                         }
 129                         else
 130                         {
 131                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 132                                 ServerInstance->WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 133                         }
 134                 }
 135                 return false;
 136         }
 137         return true;
 138 }
 139
 140 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, void* data)
 141 {
 142         conf->GetInstance()->Log(DEBUG,"No validation for <%s:%s>",tag,value);
 143         return true;
 144 }
 145
 146 bool ValidateTempDir(ServerConfig* conf, const char* tag, const char* value, void* data)
 147 {
 148         char* x = (char*)data;
 149         if (!*x)
 150                 strlcpy(x,"/tmp",1024);
 151         return true;
 152 }
 153
 154 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, void* data)
 155 {
 156         int* x = (int*)data;
 157         if ((*x < 0) || (*x > 31))
 158         {
 159                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 160                 *x = 20;
 161         }
 162         return true;
 163 }
 164
 165 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, void* data)
 166 {
 167         int* x = (int*)data;
 168         if ((*x < 1) || (*x > MAXCLIENTS))
 169         {
 170                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 171                 *x = MAXCLIENTS;
 172         }
 173         return true;
 174 }
 175
 176 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, void* data)
 177 {
 178         int* x = (int*)data;
 179         if (*x > SOMAXCONN)
 180                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 181         if (!*x)
 182                 *x = SOMAXCONN;
 183         return true;
 184 }
 185
 186 bool ValidateDnsTimeout(ServerConfig* conf, const char* tag, const char* value, void* data)
 187 {
 188         int* x = (int*)data;
 189         if (!*x)
 190                 *x = 5;
 191         return true;
 192 }
 193
 194 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 195 {
 196         std::stringstream dcmds(data);
 197         std::string thiscmd;
 198
 199         /* Enable everything first */
 200         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 201                 x->second->Disable(false);
 202
 203         /* Now disable all the ones which the user wants disabled */
 204         while (dcmds >> thiscmd)
 205         {
 206                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 207                 if (cm != ServerInstance->Parser->cmdlist.end())
 208                 {
 209                         ServerInstance->Log(DEBUG,"Disabling command '%s'",cm->second->command.c_str());
 210                         cm->second->Disable(true);
 211                 }
 212         }
 213         return true;
 214 }
 215
 216 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, void* data)
 217 {
 218         char* x = (char*)data;
 219         if (!*x)
 220         {
 221                 // attempt to look up their nameserver from /etc/resolv.conf
 222                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 223                 ifstream resolv("/etc/resolv.conf");
 224                 std::string nameserver;
 225                 bool found_server = false;
 226
 227                 if (resolv.is_open())
 228                 {
 229                         while (resolv >> nameserver)
 230                         {
 231                                 if ((nameserver == "nameserver") && (!found_server))
 232                                 {
 233                                         resolv >> nameserver;
 234                                         strlcpy(x,nameserver.c_str(),MAXBUF);
 235                                         found_server = true;
 236                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 237                                 }
 238                         }
 239
 240                         if (!found_server)
 241                         {
 242                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 243                                 strlcpy(x,"127.0.0.1",MAXBUF);
 244                         }
 245                 }
 246                 else
 247                 {
 248                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 249                         strlcpy(x,"127.0.0.1",MAXBUF);
 250                 }
 251         }
 252         return true;
 253 }
 254
 255 bool ValidateModPath(ServerConfig* conf, const char* tag, const char* value, void* data)
 256 {
 257         char* x = (char*)data;
 258         if (!*x)
 259                 strlcpy(x,MOD_PATH,MAXBUF);
 260         return true;
 261 }
 262
 263
 264 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, void* data)
 265 {
 266         char* x = (char*)data;
 267         if (!strchr(x,'.'))
 268         {
 269                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",x,x,'.');
 270                 charlcat(x,'.',MAXBUF);
 271         }
 272         //strlower(x);
 273         return true;
 274 }
 275
 276 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, void* data)
 277 {
 278         if ((!conf->NetBufferSize) || (conf->NetBufferSize > 65535) || (conf->NetBufferSize < 1024))
 279         {
 280                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 281                 conf->NetBufferSize = 10240;
 282         }
 283         return true;
 284 }
 285
 286 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, void* data)
 287 {
 288         if ((!conf->MaxWhoResults) || (conf->MaxWhoResults > 65535) || (conf->MaxWhoResults < 1))
 289         {
 290                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 291                 conf->MaxWhoResults = 128;
 292         }
 293         return true;
 294 }
 295
 296 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, void* data)
 297 {
 298         const char* dbg = (const char*)data;
 299         conf->LogLevel = DEFAULT;
 300         if (!strcmp(dbg,"debug"))
 301         {
 302                 conf->LogLevel = DEBUG;
 303                 conf->debugging = 1;
 304         }
 305         else if (!strcmp(dbg,"verbose"))
 306                 conf->LogLevel = VERBOSE;
 307         else if (!strcmp(dbg,"default"))
 308                 conf->LogLevel = DEFAULT;
 309         else if (!strcmp(dbg,"sparse"))
 310                 conf->LogLevel = SPARSE;
 311         else if (!strcmp(dbg,"none"))
 312                 conf->LogLevel = NONE;
 313         return true;
 314 }
 315
 316 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, void* data)
 317 {
 318         conf->ReadFile(conf->MOTD,conf->motd);
 319         return true;
 320 }
 321
 322 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, void* data)
 323 {
 324         conf->ReadFile(conf->RULES,conf->rules);
 325         return true;
 326 }
 327
 328 /* Callback called before processing the first <connect> tag
 329  */
 330 bool InitConnect(ServerConfig* conf, const char* tag)
 331 {
 332         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 333         conf->Classes.clear();
 334         return true;
 335 }
 336
 337 /* Callback called to process a single <connect> tag
 338  */
 339 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
 340 {
 341         ConnectClass c;
 342         char* allow = (char*)values[0]; /* Yeah, there are a lot of values. Live with it. */
 343         char* deny = (char*)values[1];
 344         char* password = (char*)values[2];
 345         int* timeout = (int*)values[3];
 346         int* pingfreq = (int*)values[4];
 347         int* flood = (int*)values[5];
 348         int* threshold = (int*)values[6];
 349         int* sendq = (int*)values[7];
 350         int* recvq = (int*)values[8];
 351         int* localmax = (int*)values[9];
 352         int* globalmax = (int*)values[10];
 353
 354         if (*allow)
 355         {
 356                 c.host = allow;
 357                 c.type = CC_ALLOW;
 358                 c.pass = password;
 359                 c.registration_timeout = *timeout;
 360                 c.pingtime = *pingfreq;
 361                 c.flood = *flood;
 362                 c.threshold = *threshold;
 363                 c.sendqmax = *sendq;
 364                 c.recvqmax = *recvq;
 365                 c.maxlocal = *localmax;
 366                 c.maxglobal = *globalmax;
 367
 368
 369                 if (c.maxlocal == 0)
 370                         c.maxlocal = 3;
 371                 if (c.maxglobal == 0)
 372                         c.maxglobal = 3;
 373                 if (c.threshold == 0)
 374                 {
 375                         c.threshold = 1;
 376                         c.flood = 999;
 377                         conf->GetInstance()->Log(DEFAULT,"Warning: Connect allow line '%s' has no flood/threshold settings. Setting this tag to 999 lines in 1 second.",c.host.c_str());
 378                 }
 379                 if (c.sendqmax == 0)
 380                         c.sendqmax = 262114;
 381                 if (c.recvqmax == 0)
 382                         c.recvqmax = 4096;
 383                 if (c.registration_timeout == 0)
 384                         c.registration_timeout = 90;
 385                 if (c.pingtime == 0)
 386                         c.pingtime = 120;
 387                 conf->Classes.push_back(c);
 388         }
 389         else
 390         {
 391                 c.host = deny;
 392                 c.type = CC_DENY;
 393                 conf->Classes.push_back(c);
 394                 conf->GetInstance()->Log(DEBUG,"Read connect class type DENY, host=%s",deny);
 395         }
 396
 397         return true;
 398 }
 399
 400 /* Callback called when there are no more <connect> tags
 401  */
 402 bool DoneConnect(ServerConfig* conf, const char* tag)
 403 {
 404         conf->GetInstance()->Log(DEBUG,"DoneConnect called for tag: %s",tag);
 405         return true;
 406 }
 407
 408 /* Callback called before processing the first <uline> tag
 409  */
 410 bool InitULine(ServerConfig* conf, const char* tag)
 411 {
 412         conf->ulines.clear();
 413         return true;
 414 }
 415
 416 /* Callback called to process a single <uline> tag
 417  */
 418 bool DoULine(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
 419 {
 420         char* server = (char*)values[0];
 421         conf->GetInstance()->Log(DEBUG,"Read ULINE '%s'",server);
 422         conf->ulines.push_back(server);
 423         return true;
 424 }
 425
 426 /* Callback called when there are no more <uline> tags
 427  */
 428 bool DoneULine(ServerConfig* conf, const char* tag)
 429 {
 430         return true;
 431 }
 432
 433 /* Callback called before processing the first <module> tag
 434  */
 435 bool InitModule(ServerConfig* conf, const char* tag)
 436 {
 437         old_module_names.clear();
 438         new_module_names.clear();
 439         added_modules.clear();
 440         removed_modules.clear();
 441         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 442         {
 443                 old_module_names.push_back(*t);
 444         }
 445         return true;
 446 }
 447
 448 /* Callback called to process a single <module> tag
 449  */
 450 bool DoModule(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
 451 {
 452         char* modname = (char*)values[0];
 453         new_module_names.push_back(modname);
 454         return true;
 455 }
 456
 457 /* Callback called when there are no more <module> tags
 458  */
 459 bool DoneModule(ServerConfig* conf, const char* tag)
 460 {
 461         // now create a list of new modules that are due to be loaded
 462         // and a seperate list of modules which are due to be unloaded
 463         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 464         {
 465                 bool added = true;
 466
 467                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 468                 {
 469                         if (*old == *_new)
 470                                 added = false;
 471                 }
 472
 473                 if (added)
 474                         added_modules.push_back(*_new);
 475         }
 476
 477         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 478         {
 479                 bool removed = true;
 480                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 481                 {
 482                         if (*newm == *oldm)
 483                                 removed = false;
 484                 }
 485
 486                 if (removed)
 487                         removed_modules.push_back(*oldm);
 488         }
 489         return true;
 490 }
 491
 492 /* Callback called before processing the first <banlist> tag
 493  */
 494 bool InitMaxBans(ServerConfig* conf, const char* tag)
 495 {
 496         conf->maxbans.clear();
 497         return true;
 498 }
 499
 500 /* Callback called to process a single <banlist> tag
 501  */
 502 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, void** values, int* types)
 503 {
 504         char* channel = (char*)values[0];
 505         int* limit = (int*)values[1];
 506         conf->maxbans[channel] = *limit;
 507         return true;
 508 }
 509
 510 /* Callback called when there are no more <banlist> tags.
 511  */
 512 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 513 {
 514         return true;
 515 }
 516
 517 void ServerConfig::Read(bool bail, userrec* user)
 518 {
 519         char debug[MAXBUF];             /* Temporary buffer for debugging value */
 520         char* data[12];                 /* Temporary buffers for reading multiple occurance tags into */
 521         void* ptr[12];                  /* Temporary pointers for passing to callbacks */
 522         int r_i[12];                    /* Temporary array for casting */
 523         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 524         std::ostringstream errstr;      /* String stream containing the error output */
 525
 526         /* These tags MUST occur and must ONLY occur once in the config file */
 527         static char* Once[] = { "server", "admin", "files", "power", "options", "pid", NULL };
 528
 529         /* These tags can occur ONCE or not at all */
 530         static InitialConfig Values[] = {
 531                 {"options",             "softlimit",                    &this->SoftLimit,               DT_INTEGER, ValidateSoftLimit},
 532                 {"options",             "somaxconn",                    &this->MaxConn,                 DT_INTEGER, ValidateMaxConn},
 533                 {"server",              "name",                         &this->ServerName,              DT_CHARPTR, ValidateServerName},
 534                 {"server",              "description",                  &this->ServerDesc,              DT_CHARPTR, NoValidation},
 535                 {"server",              "network",                      &this->Network,                 DT_CHARPTR, NoValidation},
 536                 {"admin",               "name",                         &this->AdminName,               DT_CHARPTR, NoValidation},
 537                 {"admin",               "email",                        &this->AdminEmail,              DT_CHARPTR, NoValidation},
 538                 {"admin",               "nick",                         &this->AdminNick,               DT_CHARPTR, NoValidation},
 539                 {"files",               "motd",                         &this->motd,                    DT_CHARPTR, ValidateMotd},
 540                 {"files",               "rules",                        &this->rules,                   DT_CHARPTR, ValidateRules},
 541                 {"power",               "diepass",                      &this->diepass,                 DT_CHARPTR, NoValidation},
 542                 {"power",               "pauseval",                     &this->DieDelay,                DT_INTEGER, NoValidation},
 543                 {"power",               "restartpass",                  &this->restartpass,             DT_CHARPTR, NoValidation},
 544                 {"options",             "prefixquit",                   &this->PrefixQuit,              DT_CHARPTR, NoValidation},
 545                 {"die",                 "value",                        &this->DieValue,                DT_CHARPTR, NoValidation},
 546                 {"options",             "loglevel",                     &debug,                         DT_CHARPTR, ValidateLogLevel},
 547                 {"options",             "netbuffersize",                &this->NetBufferSize,           DT_INTEGER, ValidateNetBufferSize},
 548                 {"options",             "maxwho",                       &this->MaxWhoResults,           DT_INTEGER, ValidateMaxWho},
 549                 {"options",             "allowhalfop",                  &this->AllowHalfop,             DT_BOOLEAN, NoValidation},
 550                 {"dns",                 "server",                       &this->DNSServer,               DT_CHARPTR, ValidateDnsServer},
 551                 {"dns",                 "timeout",                      &this->dns_timeout,             DT_INTEGER, ValidateDnsTimeout},
 552                 {"options",             "moduledir",                    &this->ModPath,                 DT_CHARPTR, ValidateModPath},
 553                 {"disabled",            "commands",                     &this->DisabledCommands,        DT_CHARPTR, NoValidation},
 554                 {"options",             "operonlystats",                &this->OperOnlyStats,           DT_CHARPTR, NoValidation},
 555                 {"options",             "customversion",                &this->CustomVersion,           DT_CHARPTR, NoValidation},
 556                 {"options",             "hidesplits",                   &this->HideSplits,              DT_BOOLEAN, NoValidation},
 557                 {"options",             "hidebans",                     &this->HideBans,                DT_BOOLEAN, NoValidation},
 558                 {"options",             "hidewhois",                    &this->HideWhoisServer,         DT_CHARPTR, NoValidation},
 559                 {"options",             "operspywhois",                 &this->OperSpyWhois,            DT_BOOLEAN, NoValidation},
 560                 {"options",             "tempdir",                      &this->TempDir,                 DT_CHARPTR, ValidateTempDir},
 561                 {"options",             "nouserdns",                    &this->NoUserDns,               DT_BOOLEAN, NoValidation},
 562                 {"options",             "syntaxhints",                  &this->SyntaxHints,             DT_BOOLEAN, NoValidation},
 563                 {"pid",                 "file",                         &this->PID,                     DT_CHARPTR, NoValidation},
 564                 {NULL}
 565         };
 566
 567         /* These tags can occur multiple times, and therefore they have special code to read them
 568          * which is different to the code for reading the singular tags listed above.
 569          */
 570         static MultiConfig MultiValues[] = {
 571
 572                 {"connect",
 573                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 574                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 575                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 576                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 577                                 InitConnect, DoConnect, DoneConnect},
 578
 579                 {"uline",
 580                                 {"server",      NULL},
 581                                 {DT_CHARPTR},
 582                                 InitULine,DoULine,DoneULine},
 583
 584                 {"banlist",
 585                                 {"chan",        "limit",        NULL},
 586                                 {DT_CHARPTR,    DT_INTEGER},
 587                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 588
 589                 {"module",
 590                                 {"name",        NULL},
 591                                 {DT_CHARPTR},
 592                                 InitModule, DoModule, DoneModule},
 593
 594                 {"badip",
 595                                 {"reason",      "ipmask",       NULL},
 596                                 {DT_CHARPTR,    DT_CHARPTR},
 597                                 InitXLine, DoZLine, DoneXLine},
 598
 599                 {"badnick",
 600                                 {"reason",      "nick",         NULL},
 601                                 {DT_CHARPTR,    DT_CHARPTR},
 602                                 InitXLine, DoQLine, DoneXLine},
 603
 604                 {"badhost",
 605                                 {"reason",      "host",         NULL},
 606                                 {DT_CHARPTR,    DT_CHARPTR},
 607                                 InitXLine, DoKLine, DoneXLine},
 608
 609                 {"exception",
 610                                 {"reason",      "host",         NULL},
 611                                 {DT_CHARPTR,    DT_CHARPTR},
 612                                 InitXLine, DoELine, DoneXLine},
 613
 614                 {"type",
 615                                 {"name",        "classes",      NULL},
 616                                 {DT_CHARPTR,    DT_CHARPTR},
 617                                 InitTypes, DoType, DoneClassesAndTypes},
 618
 619                 {"class",
 620                                 {"name",        "commands",     NULL},
 621                                 {DT_CHARPTR,    DT_CHARPTR},
 622                                 InitClasses, DoClass, DoneClassesAndTypes},
 623
 624                 {NULL}
 625         };
 626
 627         include_stack.clear();
 628
 629         /* Load and parse the config file, if there are any errors then explode */
 630
 631         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 632         ConfigDataHash newconfig;
 633
 634         if (this->LoadConf(newconfig, CONFIG_FILE, errstr))
 635         {
 636                 /* If we succeeded, set the ircd config to the new one */
 637                 this->config_data = newconfig;
 638
 639 /*              int c = 1;
 640                 std::string last;
 641
 642                 for(ConfigDataHash::const_iterator i = this->config_data.begin(); i != this->config_data.end(); i++)
 643                 {
 644                         c = (i->first != last) ? 1 : c+1;
 645                         last = i->first;
 646
 647                         std::cout << "[" << i->first << " " << c << "/" << this->config_data.count(i->first) << "]" << std::endl;
 648
 649                         for(KeyValList::const_iterator j = i->second.begin(); j != i->second.end(); j++)
 650                                 std::cout << "\t" << j->first << " = " << j->second << std::endl;
 651
 652                         std::cout << "[/" << i->first << " " << c << "/" << this->config_data.count(i->first) << "]" << std::endl;
 653                 }
 654  */     }
 655         else
 656         {
 657                 ServerInstance->Log(DEFAULT, "There were errors in your configuration:\n%s", errstr.str().c_str());
 658
 659                 if (bail)
 660                 {
 661                         /* Unneeded because of the ServerInstance->Log() aboive? */
 662                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 663                         InspIRCd::Exit(ERROR);
 664                 }
 665                 else
 666                 {
 667                         std::string errors = errstr.str();
 668                         std::string::size_type start;
 669                         unsigned int prefixlen;
 670
 671                         start = 0;
 672                         /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 673                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 674
 675                         if (user)
 676                         {
 677                                 user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 678
 679                                 while(start < errors.length())
 680                                 {
 681                                         user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 682                                         start += 510 - prefixlen;
 683                                 }
 684                         }
 685                         else
 686                         {
 687                                 ServerInstance->WriteOpers("There were errors in the configuration file:");
 688
 689                                 while(start < errors.length())
 690                                 {
 691                                         ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 692                                         start += 360;
 693                                 }
 694                         }
 695
 696                         return;
 697                 }
 698         }
 699
 700         /* Check we dont have more than one of singular tags, or any of them missing
 701          */
 702         for (int Index = 0; Once[Index]; Index++)
 703                 if (!CheckOnce(Once[Index],bail,user))
 704                         return;
 705
 706         /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 707          */
 708         for (int Index = 0; Values[Index].tag; Index++)
 709         {
 710                 int* val_i = (int*) Values[Index].val;
 711                 char* val_c = (char*) Values[Index].val;
 712
 713                 switch (Values[Index].datatype)
 714                 {
 715                         case DT_CHARPTR:
 716                                 /* Assuming MAXBUF here, potentially unsafe */
 717                                 ConfValue(this->config_data, Values[Index].tag, Values[Index].value, 0, val_c, MAXBUF);
 718                         break;
 719
 720                         case DT_INTEGER:
 721                                 ConfValueInteger(this->config_data, Values[Index].tag, Values[Index].value, 0, *val_i);
 722                         break;
 723
 724                         case DT_BOOLEAN:
 725                                 *val_i = ConfValueBool(this->config_data, Values[Index].tag, Values[Index].value, 0);
 726                         break;
 727
 728                         case DT_NOTHING:
 729                         break;
 730                 }
 731
 732                 Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, Values[Index].val);
 733         }
 734
 735         /* Claim memory for use when reading multiple tags
 736          */
 737         for (int n = 0; n < 12; n++)
 738                 data[n] = new char[MAXBUF];
 739
 740         /* Read the multiple-tag items (class tags, connect tags, etc)
 741          * and call the callbacks associated with them. We have three
 742          * callbacks for these, a 'start', 'item' and 'end' callback.
 743          */
 744
 745         /* XXX - Make this use ConfValueInteger and so on */
 746         for (int Index = 0; MultiValues[Index].tag; Index++)
 747         {
 748                 MultiValues[Index].init_function(this, MultiValues[Index].tag);
 749
 750                 int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 751
 752                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 753                 {
 754                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 755                         {
 756                                 ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], tagnum, data[valuenum], MAXBUF);
 757
 758                                 switch (MultiValues[Index].datatype[valuenum])
 759                                 {
 760                                         case DT_CHARPTR:
 761                                                 ptr[valuenum] = data[valuenum];
 762                                         break;
 763                                         case DT_INTEGER:
 764                                                 r_i[valuenum] = atoi(data[valuenum]);
 765                                                 ptr[valuenum] = &r_i[valuenum];
 766                                         break;
 767                                         case DT_BOOLEAN:
 768                                                 r_i[valuenum] = ((*data[valuenum] == tolower('y')) || (*data[valuenum] == tolower('t')) || (*data[valuenum] == '1'));
 769                                                 ptr[valuenum] = &r_i[valuenum];
 770                                         break;
 771                                         default:
 772                                         break;
 773                                 }
 774                         }
 775                         MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, ptr, MultiValues[Index].datatype);
 776                 }
 777
 778                 MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 779         }
 780
 781         /* Free any memory we claimed
 782          */
 783         for (int n = 0; n < 12; n++)
 784                 delete[] data[n];
 785
 786         // write once here, to try it out and make sure its ok
 787         ServerInstance->WritePID(this->PID);
 788
 789         ServerInstance->Log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
 790
 791         /* If we're rehashing, let's load any new modules, and unload old ones
 792          */
 793         if (!bail)
 794         {
 795                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false);
 796
 797                 if (!removed_modules.empty())
 798                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 799                         {
 800                                 if (ServerInstance->UnloadModule(removing->c_str()))
 801                                 {
 802                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 803
 804                                         if (user)
 805                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 806
 807                                         rem++;
 808                                 }
 809                                 else
 810                                 {
 811                                         if (user)
 812                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 813                                 }
 814                         }
 815
 816                 if (!added_modules.empty())
 817                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 818                 {
 819                         if (ServerInstance->LoadModule(adding->c_str()))
 820                         {
 821                                 ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 822
 823                                 if (user)
 824                                         user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 825
 826                                 add++;
 827                         }
 828                         else
 829                         {
 830                                 if (user)
 831                                         user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 832                         }
 833                 }
 834
 835                 ServerInstance->Log(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());
 836         }
 837 }
 838
 839 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 840 {
 841         std::ifstream conf(filename);
 842         std::string line;
 843         char ch;
 844         long linenumber;
 845         bool in_tag;
 846         bool in_quote;
 847         bool in_comment;
 848
 849         linenumber = 1;
 850         in_tag = false;
 851         in_quote = false;
 852         in_comment = false;
 853
 854         /* Check if the file open failed first */
 855         if (!conf)
 856         {
 857                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 858                 return false;
 859         }
 860
 861         /* Fix the chmod of the file to restrict it to the current user and group */
 862         chmod(filename,0600);
 863
 864         for (unsigned int t = 0; t < include_stack.size(); t++)
 865         {
 866                 if (std::string(filename) == include_stack[t])
 867                 {
 868                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 869                         return false;
 870                 }
 871         }
 872
 873         /* It's not already included, add it to the list of files we've loaded */
 874         include_stack.push_back(filename);
 875
 876         /* Start reading characters... */
 877         while(conf.get(ch))
 878         {
 879                 /*
 880                  * Here we try and get individual tags on separate lines,
 881                  * this would be so easy if we just made people format
 882                  * their config files like that, but they don't so...
 883                  * We check for a '<' and then know the line is over when
 884                  * we get a '>' not inside quotes. If we find two '<' and
 885                  * no '>' then die with an error.
 886                  */
 887
 888                 if((ch == '#') && !in_quote)
 889                         in_comment = true;
 890
 891                 if(((ch == '\n') || (ch == '\r')) && in_quote)
 892                 {
 893                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 894                         return false;
 895                 }
 896
 897                 switch(ch)
 898                 {
 899                         case '\n':
 900                                 linenumber++;
 901                         case '\r':
 902                                 in_comment = false;
 903                         case '\0':
 904                                 continue;
 905                         case '\t':
 906                                 ch = ' ';
 907                 }
 908
 909                 if(in_comment)
 910                         continue;
 911
 912                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 913                  * Note that this WILL NOT usually allow insertion of newlines,
 914                  * because a newline is two characters long. Use it primarily to
 915                  * insert the " symbol.
 916                  *
 917                  * Note that this also involves a further check when parsing the line,
 918                  * which can be found below.
 919                  */
 920                 if ((ch == '\\') && (in_quote) && (in_tag))
 921                 {
 922                         line += ch;
 923                         ServerInstance->Log(DEBUG,"Escape sequence in config line.");
 924                         char real_character;
 925                         if (conf.get(real_character))
 926                         {
 927                                 ServerInstance->Log(DEBUG,"Escaping %c", real_character);
 928                                 line += real_character;
 929                                 continue;
 930                         }
 931                         else
 932                         {
 933                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
 934                                 return false;
 935                         }
 936                 }
 937
 938                 line += ch;
 939
 940                 if(ch == '<')
 941                 {
 942                         if(in_tag)
 943                         {
 944                                 if(!in_quote)
 945                                 {
 946                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
 947                                         return false;
 948                                 }
 949                         }
 950                         else
 951                         {
 952                                 if(in_quote)
 953                                 {
 954                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
 955                                         return false;
 956                                 }
 957                                 else
 958                                 {
 959                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
 960                                         in_tag = true;
 961                                 }
 962                         }
 963                 }
 964                 else if(ch == '"')
 965                 {
 966                         if(in_tag)
 967                         {
 968                                 if(in_quote)
 969                                 {
 970                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
 971                                         in_quote = false;
 972                                 }
 973                                 else
 974                                 {
 975                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
 976                                         in_quote = true;
 977                                 }
 978                         }
 979                         else
 980                         {
 981                                 if(in_quote)
 982                                 {
 983                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
 984                                 }
 985                                 else
 986                                 {
 987                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
 988                                 }
 989                         }
 990                 }
 991                 else if(ch == '>')
 992                 {
 993                         if(!in_quote)
 994                         {
 995                                 if(in_tag)
 996                                 {
 997                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
 998                                         in_tag = false;
 999
1000                                         /*
1001                                          * If this finds an <include> then ParseLine can simply call
1002                                          * LoadConf() and load the included config into the same ConfigDataHash
1003                                          */
1004
1005                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1006                                                 return false;
1007
1008                                         line.clear();
1009                                 }
1010                                 else
1011                                 {
1012                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1013                                         return false;
1014                                 }
1015                         }
1016                 }
1017         }
1018
1019         return true;
1020 }
1021
1022 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1023 {
1024         return this->LoadConf(target, filename.c_str(), errorstream);
1025 }
1026
1027 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1028 {
1029         std::string tagname;
1030         std::string current_key;
1031         std::string current_value;
1032         KeyValList results;
1033         bool got_name;
1034         bool got_key;
1035         bool in_quote;
1036
1037         got_name = got_key = in_quote = false;
1038
1039         // std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1040
1041         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1042         {
1043                 if(!got_name)
1044                 {
1045                         /* We don't know the tag name yet. */
1046
1047                         if(*c != ' ')
1048                         {
1049                                 if(*c != '<')
1050                                 {
1051                                         tagname += *c;
1052                                 }
1053                         }
1054                         else
1055                         {
1056                                 /* We got to a space, we should have the tagname now. */
1057                                 if(tagname.length())
1058                                 {
1059                                         got_name = true;
1060                                 }
1061                         }
1062                 }
1063                 else
1064                 {
1065                         /* We have the tag name */
1066                         if (!got_key)
1067                         {
1068                                 /* We're still reading the key name */
1069                                 if (*c != '=')
1070                                 {
1071                                         if (*c != ' ')
1072                                         {
1073                                                 current_key += *c;
1074                                         }
1075                                 }
1076                                 else
1077                                 {
1078                                         /* We got an '=', end of the key name. */
1079                                         got_key = true;
1080                                 }
1081                         }
1082                         else
1083                         {
1084                                 /* We have the key name, now we're looking for quotes and the value */
1085
1086                                 /* Correctly handle escaped characters here.
1087                                  * See the XXX'ed section above.
1088                                  */
1089                                 if ((*c == '\\') && (in_quote))
1090                                 {
1091                                         c++;
1092                                         current_value += *c;
1093                                         continue;
1094                                 }
1095                                 if (*c == '"')
1096                                 {
1097                                         if (!in_quote)
1098                                         {
1099                                                 /* We're not already in a quote. */
1100                                                 in_quote = true;
1101                                         }
1102                                         else
1103                                         {
1104                                                 /* Leaving quotes, we have the value */
1105                                                 results.push_back(KeyVal(current_key, current_value));
1106
1107                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1108
1109                                                 in_quote = false;
1110                                                 got_key = false;
1111
1112                                                 if((tagname == "include") && (current_key == "file"))
1113                                                 {
1114                                                         if(!this->DoInclude(target, current_value, errorstream))
1115                                                                 return false;
1116                                                 }
1117
1118                                                 current_key.clear();
1119                                                 current_value.clear();
1120                                         }
1121                                 }
1122                                 else
1123                                 {
1124                                         if(in_quote)
1125                                         {
1126                                                 current_value += *c;
1127                                         }
1128                                 }
1129                         }
1130                 }
1131         }
1132
1133         /* Finished parsing the tag, add it to the config hash */
1134         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1135
1136         return true;
1137 }
1138
1139 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1140 {
1141         std::string confpath;
1142         std::string newfile;
1143         std::string::size_type pos;
1144
1145         confpath = CONFIG_FILE;
1146         newfile = file;
1147
1148         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1149         {
1150                 if (*c == '\\')
1151                 {
1152                         *c = '/';
1153                 }
1154         }
1155
1156         if (file[0] != '/')
1157         {
1158                 if((pos = confpath.find("/inspircd.conf")) != std::string::npos)
1159                 {
1160                         /* Leaves us with just the path */
1161                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1162                 }
1163                 else
1164                 {
1165                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1166                         return false;
1167                 }
1168         }
1169
1170         return LoadConf(target, newfile, errorstream);
1171 }
1172
1173 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length)
1174 {
1175         std::string value;
1176         bool r = ConfValue(target, std::string(tag), std::string(var), index, value);
1177         strlcpy(result, value.c_str(), length);
1178         return r;
1179 }
1180
1181 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result)
1182 {
1183         ConfigDataHash::size_type pos = index;
1184         if((pos >= 0) && (pos < target.count(tag)))
1185         {
1186                 ConfigDataHash::const_iterator iter = target.find(tag);
1187
1188                 for(int i = 0; i < index; i++)
1189                         iter++;
1190
1191                 for(KeyValList::const_iterator j = iter->second.begin(); j != iter->second.end(); j++)
1192                 {
1193                         if(j->first == var)
1194                         {
1195                                 result = j->second;
1196                                 return true;
1197                         }
1198                 }
1199         }
1200         else if(pos == 0)
1201         {
1202                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1203         }
1204         else
1205         {
1206                 ServerInstance->Log(DEBUG, "ConfValue got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str());
1207         }
1208
1209         return false;
1210 }
1211
1212 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1213 {
1214         return ConfValueInteger(target, std::string(tag), std::string(var), index, result);
1215 }
1216
1217 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1218 {
1219         std::string value;
1220         std::istringstream stream;
1221         bool r = ConfValue(target, tag, var, index, value);
1222         stream.str(value);
1223         if(!(stream >> result))
1224                 return false;
1225         return r;
1226 }
1227
1228 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1229 {
1230         return ConfValueBool(target, std::string(tag), std::string(var), index);
1231 }
1232
1233 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1234 {
1235         std::string result;
1236         if(!ConfValue(target, tag, var, index, result))
1237                 return false;
1238
1239         return ((result == "yes") || (result == "true") || (result == "1"));
1240 }
1241
1242 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1243 {
1244         return target.count(tag);
1245 }
1246
1247 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1248 {
1249         return target.count(tag);
1250 }
1251
1252 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1253 {
1254         return ConfVarEnum(target, std::string(tag), index);
1255 }
1256
1257 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1258 {
1259         ConfigDataHash::size_type pos = index;
1260
1261         if((pos >= 0) && (pos < target.count(tag)))
1262         {
1263                 ConfigDataHash::const_iterator iter = target.find(tag);
1264
1265                 for(int i = 0; i < index; i++)
1266                         iter++;
1267
1268                 return iter->second.size();
1269         }
1270         else if(pos == 0)
1271         {
1272                 ServerInstance->Log(DEBUG, "No <%s> tags in config file.", tag.c_str());
1273         }
1274         else
1275         {
1276                 ServerInstance->Log(DEBUG, "ConfVarEnum got an out-of-range index %d, there are only %d occurences of %s", pos, target.count(tag), tag.c_str());
1277         }
1278
1279         return 0;
1280 }
1281
1282 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1283  */
1284 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1285 {
1286         FILE* file;
1287         char linebuf[MAXBUF];
1288
1289         F.clear();
1290         file =  fopen(fname,"r");
1291
1292         if (file)
1293         {
1294                 while (!feof(file))
1295                 {
1296                         fgets(linebuf,sizeof(linebuf),file);
1297                         linebuf[strlen(linebuf)-1]='\0';
1298
1299                         if (!*linebuf)
1300                         {
1301                                 strcpy(linebuf," ");
1302                         }
1303
1304                         if (!feof(file))
1305                         {
1306                                 F.push_back(linebuf);
1307                         }
1308                 }
1309
1310                 fclose(file);
1311         }
1312         else
1313                 return false;
1314
1315         return true;
1316 }
1317
1318 bool ServerConfig::FileExists(const char* file)
1319 {
1320         FILE *input;
1321         if ((input = fopen (file, "r")) == NULL)
1322         {
1323                 return false;
1324         }
1325         else
1326         {
1327                 fclose(input);
1328                 return true;
1329         }
1330 }
1331
1332 char* ServerConfig::CleanFilename(char* name)
1333 {
1334         char* p = name + strlen(name);
1335         while ((p != name) && (*p != '/')) p--;
1336         return (p != name ? ++p : p);
1337 }
1338
1339
1340 bool ServerConfig::DirValid(const char* dirandfile)
1341 {
1342         char work[MAXBUF];
1343         char buffer[MAXBUF];
1344         char otherdir[MAXBUF];
1345         int p;
1346
1347         strlcpy(work, dirandfile, MAXBUF);
1348         p = strlen(work);
1349
1350         // we just want the dir
1351         while (*work)
1352         {
1353                 if (work[p] == '/')
1354                 {
1355                         work[p] = '\0';
1356                         break;
1357                 }
1358
1359                 work[p--] = '\0';
1360         }
1361
1362         // Get the current working directory
1363         if (getcwd(buffer, MAXBUF ) == NULL )
1364                 return false;
1365
1366         chdir(work);
1367
1368         if (getcwd(otherdir, MAXBUF ) == NULL )
1369                 return false;
1370
1371         chdir(buffer);
1372
1373         size_t t = strlen(work);
1374
1375         if (strlen(otherdir) >= t)
1376         {
1377                 otherdir[t] = '\0';
1378
1379                 if (!strcmp(otherdir,work))
1380                 {
1381                         return true;
1382                 }
1383
1384                 return false;
1385         }
1386         else
1387         {
1388                 return false;
1389         }
1390 }
1391
1392 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1393 {
1394         char work[MAXBUF];
1395         char buffer[MAXBUF];
1396         char otherdir[MAXBUF];
1397         int p;
1398
1399         strlcpy(work,argv[0],MAXBUF);
1400         p = strlen(work);
1401
1402         // we just want the dir
1403         while (*work)
1404         {
1405                 if (work[p] == '/')
1406                 {
1407                         work[p] = '\0';
1408                         break;
1409                 }
1410
1411                 work[p--] = '\0';
1412         }
1413
1414         // Get the current working directory
1415         if (getcwd(buffer, MAXBUF) == NULL)
1416                 return "";
1417
1418         chdir(work);
1419
1420         if (getcwd(otherdir, MAXBUF) == NULL)
1421                 return "";
1422
1423         chdir(buffer);
1424         return otherdir;
1425 }
1426
1427 InspIRCd* ServerConfig::GetInstance()
1428 {
1429         return ServerInstance;
1430 }
1431