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