src/inspircd_io.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 using namespace std;
  18
  19 #include "inspircd_config.h"
  20 #include <sys/time.h>
  21 #include <sys/resource.h>
  22 #include <sys/types.h>
  23 #include <string>
  24 #include <unistd.h>
  25 #include <sstream>
  26 #include <iostream>
  27 #include <fstream>
  28 #include "message.h"
  29 #include "inspircd.h"
  30 #include "inspircd_io.h"
  31 #include "inspstring.h"
  32 #include "helperfuncs.h"
  33 #include "userprocess.h"
  34 #include "xline.h"
  35
  36 extern ServerConfig *Config;
  37 extern InspIRCd* ServerInstance;
  38 extern int openSockfd[MAXSOCKS];
  39 extern time_t TIME;
  40
  41 extern int MODCOUNT;
  42 extern std::vector<Module*> modules;
  43 extern std::vector<ircd_module*> factory;
  44
  45 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  46
  47 ServerConfig::ServerConfig()
  48 {
  49         this->ClearStack();
  50         *TempDir = *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  51         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  52         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  53         *OperOnlyStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  54         log_file = NULL;
  55         nofork = HideBans = HideSplits = unlimitcore = false;
  56         AllowHalfop = true;
  57         dns_timeout = DieDelay = 5;
  58         MaxTargets = 20;
  59         NetBufferSize = 10240;
  60         SoftLimit = MAXCLIENTS;
  61         MaxConn = SOMAXCONN;
  62         MaxWhoResults = 100;
  63         debugging = 0;
  64         LogLevel = DEFAULT;
  65         maxbans.clear();
  66 }
  67
  68 void ServerConfig::ClearStack()
  69 {
  70         include_stack.clear();
  71 }
  72
  73 Module* ServerConfig::GetIOHook(int port)
  74 {
  75         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  76         return (x != IOHookModule.end() ? x->second : NULL);
  77 }
  78
  79 bool ServerConfig::AddIOHook(int port, Module* iomod)
  80 {
  81         if (!GetIOHook(port))
  82         {
  83                 IOHookModule[port] = iomod;
  84                 return true;
  85         }
  86         else
  87         {
  88                 ModuleException err("Port already hooked by another module");
  89                 throw(err);
  90                 return false;
  91         }
  92 }
  93
  94 bool ServerConfig::DelIOHook(int port)
  95 {
  96         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  97         if (x != IOHookModule.end())
  98         {
  99                 IOHookModule.erase(x);
 100                 return true;
 101         }
 102         return false;
 103 }
 104
 105 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 106 {
 107         int count = ConfValueEnum(tag,&Config->config_f);
 108         if (count > 1)
 109         {
 110                 if (bail)
 111                 {
 112                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 113                         Exit(0);
 114                 }
 115                 else
 116                 {
 117                         if (user)
 118                         {
 119                                 WriteServ(user->fd,"There were errors in your configuration:");
 120                                 WriteServ(user->fd,"You have more than one <%s> tag, this is not permitted.\n",tag);
 121                         }
 122                         else
 123                         {
 124                                 WriteOpers("There were errors in the configuration file:");
 125                                 WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 126                         }
 127                 }
 128                 return false;
 129         }
 130         if (count < 1)
 131         {
 132                 if (bail)
 133                 {
 134                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 135                         Exit(0);
 136                 }
 137                 else
 138                 {
 139                         if (user)
 140                         {
 141                                 WriteServ(user->fd,"There were errors in your configuration:");
 142                                 WriteServ(user->fd,"You have not defined a <%s> tag, this is required.",tag);
 143                         }
 144                         else
 145                         {
 146                                 WriteOpers("There were errors in the configuration file:");
 147                                 WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 148                         }
 149                 }
 150                 return false;
 151         }
 152         return true;
 153 }
 154
 155 bool NoValidation(const char* tag, const char* value, void* data)
 156 {
 157         log(DEBUG,"No validation for <%s:%s>",tag,value);
 158         return true;
 159 }
 160
 161 bool ValidateTempDir(const char* tag, const char* value, void* data)
 162 {
 163         char* x = (char*)data;
 164         if (!*x)
 165                 strlcpy(x,"/tmp",1024);
 166         return true;
 167 }
 168
 169 bool ValidateMaxTargets(const char* tag, const char* value, void* data)
 170 {
 171         int* x = (int*)data;
 172         if ((*x < 0) || (*x > 31))
 173         {
 174                 log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 175                 *x = 20;
 176         }
 177         return true;
 178 }
 179
 180 bool ValidateSoftLimit(const char* tag, const char* value, void* data)
 181 {
 182         int* x = (int*)data;
 183         if ((*x < 1) || (*x > MAXCLIENTS))
 184         {
 185                 log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 186                 *x = MAXCLIENTS;
 187         }
 188         return true;
 189 }
 190
 191 bool ValidateMaxConn(const char* tag, const char* value, void* data)
 192 {
 193         int* x = (int*)data;
 194         if (*x > SOMAXCONN)
 195                 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 196         if (!*x)
 197                 *x = SOMAXCONN;
 198         return true;
 199 }
 200
 201 bool ValidateDnsTimeout(const char* tag, const char* value, void* data)
 202 {
 203         int* x = (int*)data;
 204         if (!*x)
 205                 *x = 5;
 206         return true;
 207 }
 208
 209 bool ValidateDnsServer(const char* tag, const char* value, void* data)
 210 {
 211         char* x = (char*)data;
 212         if (!*x)
 213         {
 214                 // attempt to look up their nameserver from /etc/resolv.conf
 215                 log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 216                 ifstream resolv("/etc/resolv.conf");
 217                 std::string nameserver;
 218                 bool found_server = false;
 219
 220                 if (resolv.is_open())
 221                 {
 222                         while (resolv >> nameserver)
 223                         {
 224                                 if ((nameserver == "nameserver") && (!found_server))
 225                                 {
 226                                         resolv >> nameserver;
 227                                         strlcpy(x,nameserver.c_str(),MAXBUF);
 228                                         found_server = true;
 229                                         log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 230                                 }
 231                         }
 232
 233                         if (!found_server)
 234                         {
 235                                 log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 236                                 strlcpy(x,"127.0.0.1",MAXBUF);
 237                         }
 238                 }
 239                 else
 240                 {
 241                         log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 242                         strlcpy(x,"127.0.0.1",MAXBUF);
 243                 }
 244         }
 245         return true;
 246 }
 247
 248 bool ValidateModPath(const char* tag, const char* value, void* data)
 249 {
 250         char* x = (char*)data;
 251         if (!*x)
 252                 strlcpy(x,MOD_PATH,MAXBUF);
 253         return true;
 254 }
 255
 256
 257 bool ValidateServerName(const char* tag, const char* value, void* data)
 258 {
 259         char* x = (char*)data;
 260         if (!strchr(x,'.'))
 261         {
 262                 log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",x,x,'.');
 263                 charlcat(x,'.',MAXBUF);
 264         }
 265         strlower(x);
 266         return true;
 267 }
 268
 269 bool ValidateNetBufferSize(const char* tag, const char* value, void* data)
 270 {
 271         if ((!Config->NetBufferSize) || (Config->NetBufferSize > 65535) || (Config->NetBufferSize < 1024))
 272         {
 273                 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 274                 Config->NetBufferSize = 10240;
 275         }
 276         return true;
 277 }
 278
 279 bool ValidateMaxWho(const char* tag, const char* value, void* data)
 280 {
 281         if ((!Config->MaxWhoResults) || (Config->MaxWhoResults > 65535) || (Config->MaxWhoResults < 1))
 282         {
 283                 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 284                 Config->MaxWhoResults = 128;
 285         }
 286         return true;
 287 }
 288
 289 bool ValidateLogLevel(const char* tag, const char* value, void* data)
 290 {
 291         const char* dbg = (const char*)data;
 292         Config->LogLevel = DEFAULT;
 293         if (!strcmp(dbg,"debug"))
 294         {
 295                 Config->LogLevel = DEBUG;
 296                 Config->debugging = 1;
 297         }
 298         else if (!strcmp(dbg,"verbose"))
 299                 Config->LogLevel = VERBOSE;
 300         else if (!strcmp(dbg,"default"))
 301                 Config->LogLevel = DEFAULT;
 302         else if (!strcmp(dbg,"sparse"))
 303                 Config->LogLevel = SPARSE;
 304         else if (!strcmp(dbg,"none"))
 305                 Config->LogLevel = NONE;
 306         return true;
 307 }
 308
 309 bool ValidateMotd(const char* tag, const char* value, void* data)
 310 {
 311         readfile(Config->MOTD,Config->motd);
 312         return true;
 313 }
 314
 315 bool ValidateRules(const char* tag, const char* value, void* data)
 316 {
 317         readfile(Config->RULES,Config->rules);
 318         return true;
 319 }
 320
 321 bool InitConnect(const char* tag)
 322 {
 323         log(DEFAULT,"Reading connect classes...");
 324         Config->Classes.clear();
 325         return true;
 326 }
 327
 328 bool DoConnect(const char* tag, char** entries, void** values, int* types)
 329 {
 330         ConnectClass c;
 331         char* allow = (char*)values[0];
 332         char* deny = (char*)values[1];
 333         char* password = (char*)values[2];
 334         int* timeout = (int*)values[3];
 335         int* pingfreq = (int*)values[4];
 336         int* flood = (int*)values[5];
 337         int* threshold = (int*)values[6];
 338         int* sendq = (int*)values[7];
 339         int* recvq = (int*)values[8];
 340         int* localmax = (int*)values[9];
 341         int* globalmax = (int*)values[10];
 342
 343         if (*allow)
 344         {
 345                 c.host = allow;
 346                 c.type = CC_ALLOW;
 347                 c.pass = password;
 348                 c.registration_timeout = *timeout;
 349                 c.pingtime = *pingfreq;
 350                 c.flood = *flood;
 351                 c.threshold = *threshold;
 352                 c.sendqmax = *sendq;
 353                 c.recvqmax = *recvq;
 354                 c.maxlocal = *localmax;
 355                 c.maxglobal = *globalmax;
 356
 357
 358                 if (c.maxlocal == 0)
 359                         c.maxlocal = 3;
 360                 if (c.maxglobal == 0)
 361                         c.maxglobal = 3;
 362                 if (c.threshold == 0)
 363                 {
 364                         c.threshold = 1;
 365                         c.flood = 999;
 366                         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());
 367                 }
 368                 if (c.sendqmax == 0)
 369                         c.sendqmax = 262114;
 370                 if (c.recvqmax == 0)
 371                         c.recvqmax = 4096;
 372                 if (c.registration_timeout == 0)
 373                         c.registration_timeout = 90;
 374                 if (c.pingtime == 0)
 375                         c.pingtime = 120;
 376                 Config->Classes.push_back(c);
 377         }
 378         else
 379         {
 380                 c.host = deny;
 381                 c.type = CC_DENY;
 382                 Config->Classes.push_back(c);
 383                 log(DEBUG,"Read connect class type DENY, host=%s",deny);
 384         }
 385
 386         return true;
 387 }
 388
 389 bool DoneConnect(const char* tag)
 390 {
 391         log(DEBUG,"DoneConnect called for tag: %s",tag);
 392         return true;
 393 }
 394
 395 bool InitULine(const char* tag)
 396 {
 397         Config->ulines.clear();
 398         return true;
 399 }
 400
 401 bool DoULine(const char* tag, char** entries, void** values, int* types)
 402 {
 403         char* server = (char*)values[0];
 404         log(DEBUG,"Read ULINE '%s'",server);
 405         Config->ulines.push_back(server);
 406         return true;
 407 }
 408
 409 bool DoneULine(const char* tag)
 410 {
 411         return true;
 412 }
 413
 414 bool InitModule(const char* tag)
 415 {
 416         old_module_names.clear();
 417         new_module_names.clear();
 418         added_modules.clear();
 419         removed_modules.clear();
 420         for (std::vector<std::string>::iterator t = Config->module_names.begin(); t != Config->module_names.end(); t++)
 421         {
 422                 old_module_names.push_back(*t);
 423         }
 424         return true;
 425 }
 426
 427 bool DoModule(const char* tag, char** entries, void** values, int* types)
 428 {
 429         char* modname = (char*)values[0];
 430         new_module_names.push_back(modname);
 431         return true;
 432 }
 433
 434 bool DoneModule(const char* tag)
 435 {
 436         // now create a list of new modules that are due to be loaded
 437         // and a seperate list of modules which are due to be unloaded
 438         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 439         {
 440                 bool added = true;
 441
 442                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 443                 {
 444                         if (*old == *_new)
 445                                 added = false;
 446                 }
 447
 448                 if (added)
 449                         added_modules.push_back(*_new);
 450         }
 451
 452         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 453         {
 454                 bool removed = true;
 455                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 456                 {
 457                         if (*newm == *oldm)
 458                                 removed = false;
 459                 }
 460
 461                 if (removed)
 462                         removed_modules.push_back(*oldm);
 463         }
 464         return true;
 465 }
 466
 467 bool InitMaxBans(const char* tag)
 468 {
 469         Config->maxbans.clear();
 470         return true;
 471 }
 472
 473 bool DoMaxBans(const char* tag, char** entries, void** values, int* types)
 474 {
 475         char* channel = (char*)values[0];
 476         int* limit = (int*)values[1];
 477         Config->maxbans[channel] = *limit;
 478         return true;
 479 }
 480
 481 bool DoneMaxBans(const char* tag)
 482 {
 483         return true;
 484 }
 485
 486 void ServerConfig::Read(bool bail, userrec* user)
 487 {
 488         char debug[MAXBUF];
 489         char dataline[1024];
 490         std::stringstream errstr;
 491
 492         static InitialConfig Values[] = {
 493                 {"options",     "softlimit",            &this->SoftLimit,               DT_INTEGER, ValidateSoftLimit},
 494                 {"options",     "somaxconn",            &this->MaxConn,                 DT_INTEGER, ValidateMaxConn},
 495                 {"server",      "name",                 &this->ServerName,              DT_CHARPTR, ValidateServerName},
 496                 {"server",      "description",          &this->ServerDesc,              DT_CHARPTR, NoValidation},
 497                 {"server",      "network",              &this->Network,                 DT_CHARPTR, NoValidation},
 498                 {"admin",       "name",                 &this->AdminName,               DT_CHARPTR, NoValidation},
 499                 {"admin",       "email",                &this->AdminEmail,              DT_CHARPTR, NoValidation},
 500                 {"admin",       "nick",                 &this->AdminNick,               DT_CHARPTR, NoValidation},
 501                 {"files",       "motd",                 &this->motd,                    DT_CHARPTR, ValidateMotd},
 502                 {"files",       "rules",                &this->rules,                   DT_CHARPTR, ValidateRules},
 503                 {"power",       "diepass",              &this->diepass,                 DT_CHARPTR, NoValidation},
 504                 {"power",       "pauseval",             &this->DieDelay,                DT_INTEGER, NoValidation},
 505                 {"power",       "restartpass",          &this->restartpass,             DT_CHARPTR, NoValidation},
 506                 {"options",     "prefixquit",           &this->PrefixQuit,              DT_CHARPTR, NoValidation},
 507                 {"die",         "value",                &this->DieValue,                DT_CHARPTR, NoValidation},
 508                 {"options",     "loglevel",             &debug,                         DT_CHARPTR, ValidateLogLevel},
 509                 {"options",     "netbuffersize",        &this->NetBufferSize,           DT_INTEGER, ValidateNetBufferSize},
 510                 {"options",     "maxwho",               &this->MaxWhoResults,           DT_INTEGER, ValidateMaxWho},
 511                 {"options",     "allowhalfop",          &this->AllowHalfop,             DT_BOOLEAN, NoValidation},
 512                 {"dns",         "server",               &this->DNSServer,               DT_CHARPTR, ValidateDnsServer},
 513                 {"dns",         "timeout",              &this->dns_timeout,             DT_INTEGER, ValidateDnsTimeout},
 514                 {"options",     "moduledir",            &this->ModPath,                 DT_CHARPTR, ValidateModPath},
 515                 {"disabled",    "commands",             &this->DisabledCommands,        DT_CHARPTR, NoValidation},
 516                 {"options",     "operonlystats",        &this->OperOnlyStats,           DT_CHARPTR, NoValidation},
 517                 {"options",     "customversion",        &this->CustomVersion,           DT_CHARPTR, NoValidation},
 518                 {"options",     "hidesplits",           &this->HideSplits,              DT_BOOLEAN, NoValidation},
 519                 {"options",     "hidebans",             &this->HideBans,                DT_BOOLEAN, NoValidation},
 520                 {"options",     "hidewhois",            &this->HideWhoisServer,         DT_CHARPTR, NoValidation},
 521                 {"options",     "tempdir",              &this->TempDir,                 DT_CHARPTR, ValidateTempDir},
 522                 {"pid",         "file",                 &this->PID,                     DT_CHARPTR, NoValidation},
 523                 {NULL}
 524         };
 525
 526         static MultiConfig MultiValues[] = {
 527
 528                 {"connect",
 529                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 530                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 531                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 532                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 533                                 InitConnect, DoConnect, DoneConnect},
 534
 535                 {"uline",
 536                                 {"server",      NULL},
 537                                 {DT_CHARPTR},
 538                                 InitULine,DoULine,DoneULine},
 539
 540                 {"banlist",
 541                                 {"chan",        "limit",        NULL},
 542                                 {DT_CHARPTR,    DT_INTEGER},
 543                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 544
 545                 {"module",
 546                                 {"name",        NULL},
 547                                 {DT_CHARPTR},
 548                                 InitModule, DoModule, DoneModule},
 549
 550                 {"badip",
 551                                 {"reason",      "ipmask",       NULL},
 552                                 {DT_CHARPTR,    DT_CHARPTR},
 553                                 InitXLine, DoZLine, DoneXLine},
 554
 555                 {"badnick",
 556                                 {"reason",      "nick",         NULL},
 557                                 {DT_CHARPTR,    DT_CHARPTR},
 558                                 InitXLine, DoQLine, DoneXLine},
 559
 560                 {"badhost",
 561                                 {"reason",      "host",         NULL},
 562                                 {DT_CHARPTR,    DT_CHARPTR},
 563                                 InitXLine, DoKLine, DoneXLine},
 564
 565                 {"exception",
 566                                 {"reason",      "host",         NULL},
 567                                 {DT_CHARPTR,    DT_CHARPTR},
 568                                 InitXLine, DoELine, DoneXLine},
 569
 570                 {"type",
 571                                 {"name",        "classes",      NULL},
 572                                 {DT_CHARPTR,    DT_CHARPTR},
 573                                 InitTypes, DoType, DoneClassesAndTypes},
 574
 575                 {"class",
 576                                 {"name",        "commands",     NULL},
 577                                 {DT_CHARPTR,    DT_CHARPTR},
 578                                 InitClasss, DoClass, DoneClassesAndTypes},
 579
 580                 {NULL}
 581         };
 582
 583         include_stack.clear();
 584
 585         if (!LoadConf(CONFIG_FILE,&Config->config_f,&errstr))
 586         {
 587                 errstr.seekg(0);
 588                 log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
 589
 590                 if (bail)
 591                 {
 592                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 593                         Exit(0);
 594                 }
 595                 else
 596                 {
 597                         if (user)
 598                         {
 599                                 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
 600                                 while (!errstr.eof())
 601                                 {
 602                                         errstr.getline(dataline,1024);
 603                                         WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
 604                                 }
 605                         }
 606                         else
 607                         {
 608                                 WriteOpers("There were errors in the configuration file:");
 609                                 while (!errstr.eof())
 610                                 {
 611                                         errstr.getline(dataline,1024);
 612                                         WriteOpers(dataline);
 613                                 }
 614                         }
 615
 616                         return;
 617                 }
 618         }
 619
 620         /* Check we dont have more than one of singular tags
 621          */
 622         if (!CheckOnce("server",bail,user) || !CheckOnce("admin",bail,user) || !CheckOnce("files",bail,user)
 623                 || !CheckOnce("power",bail,user) || !CheckOnce("options",bail,user) || !CheckOnce("pid",bail,user))
 624         {
 625                 return;
 626         }
 627
 628         char* convert;
 629         for (int Index = 0; Values[Index].tag; Index++)
 630         {
 631                 int* val_i = (int*) Values[Index].val;
 632                 char* val_c = (char*) Values[Index].val;
 633
 634                 switch (Values[Index].datatype)
 635                 {
 636                         case DT_CHARPTR:
 637                                 ConfValue(Values[Index].tag, Values[Index].value, 0, val_c, &this->config_f);
 638                         break;
 639
 640                         case DT_INTEGER:
 641                                 convert = new char[MAXBUF];
 642                                 ConfValue(Values[Index].tag, Values[Index].value, 0, convert, &this->config_f);
 643                                 *val_i = atoi(convert);
 644                                 delete[] convert;
 645                         break;
 646
 647                         case DT_BOOLEAN:
 648                                 convert = new char[MAXBUF];
 649                                 ConfValue(Values[Index].tag, Values[Index].value, 0, convert, &this->config_f);
 650                                 *val_i = ((*convert == tolower('y')) || (*convert == tolower('t')) || (*convert == '1'));
 651                                 delete[] convert;
 652                         break;
 653
 654                         case DT_NOTHING:
 655                         break;
 656                 }
 657
 658                 Values[Index].validation_function(Values[Index].tag, Values[Index].value, Values[Index].val);
 659         }
 660
 661         char* data[12];
 662         void* ptr[12];
 663         int r_i[12];
 664
 665         for (int n = 0; n < 12; n++)
 666                 data[n] = new char[MAXBUF];
 667
 668         for (int Index = 0; MultiValues[Index].tag; Index++)
 669         {
 670                 MultiValues[Index].init_function(MultiValues[Index].tag);
 671
 672                 int number_of_tags = ConfValueEnum((char*)MultiValues[Index].tag, &this->config_f);
 673
 674                 for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 675                 {
 676                         for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 677                         {
 678                                 ConfValue((char*)MultiValues[Index].tag,(char*)MultiValues[Index].items[valuenum], tagnum, data[valuenum], &this->config_f);
 679
 680                                 switch (MultiValues[Index].datatype[valuenum])
 681                                 {
 682                                         case DT_CHARPTR:
 683                                                 ptr[valuenum] = data[valuenum];
 684                                         break;
 685                                         case DT_INTEGER:
 686                                                 r_i[valuenum] = atoi(data[valuenum]);
 687                                                 ptr[valuenum] = &r_i[valuenum];
 688                                         break;
 689                                         case DT_BOOLEAN:
 690                                                 r_i[valuenum] = ((*data[valuenum] == tolower('y')) || (*data[valuenum] == tolower('t')) || (*data[valuenum] == '1'));
 691                                                 ptr[valuenum] = &r_i[valuenum];
 692                                         break;
 693                                         default:
 694                                         break;
 695                                 }
 696                         }
 697                         MultiValues[Index].validation_function(MultiValues[Index].tag, (char**)MultiValues[Index].items, ptr, MultiValues[Index].datatype);
 698                 }
 699
 700                 MultiValues[Index].finish_function(MultiValues[Index].tag);
 701         }
 702
 703         for (int n = 0; n < 12; n++)
 704                 delete[] data[n];
 705
 706         // write once here, to try it out and make sure its ok
 707         WritePID(Config->PID);
 708
 709         log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
 710         if (!bail)
 711         {
 712                 log(DEFAULT,"Adding and removing modules due to rehash...");
 713
 714                 int rem = 0, add = 0;
 715                 if (!removed_modules.empty())
 716                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 717                         {
 718                                 if (ServerInstance->UnloadModule(removing->c_str()))
 719                                 {
 720                                         WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 721
 722                                         if (user)
 723                                                 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 724
 725                                         rem++;
 726                                 }
 727                                 else
 728                                 {
 729                                         if (user)
 730                                                 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 731                                 }
 732                         }
 733
 734                 if (!added_modules.empty())
 735                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 736                 {
 737                         if (ServerInstance->LoadModule(adding->c_str()))
 738                         {
 739                                 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 740
 741                                 if (user)
 742                                         WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 743
 744                                 add++;
 745                         }
 746                         else
 747                         {
 748                                 if (user)
 749                                         WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 750                         }
 751                 }
 752
 753                 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());
 754         }
 755 }
 756
 757
 758 void Exit (int status)
 759 {
 760         if (Config->log_file)
 761                 fclose(Config->log_file);
 762         send_error("Server shutdown.");
 763         exit (status);
 764 }
 765
 766 void Killed(int status)
 767 {
 768         if (Config->log_file)
 769                 fclose(Config->log_file);
 770         send_error("Server terminated.");
 771         exit(status);
 772 }
 773
 774 char* CleanFilename(char* name)
 775 {
 776         char* p = name + strlen(name);
 777         while ((p != name) && (*p != '/')) p--;
 778         return (p != name ? ++p : p);
 779 }
 780
 781
 782 void Rehash(int status)
 783 {
 784         WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE));
 785         fclose(Config->log_file);
 786         OpenLog(NULL,0);
 787         Config->Read(false,NULL);
 788         FOREACH_MOD(I_OnRehash,OnRehash(""));
 789 }
 790
 791
 792
 793 void Start (void)
 794 {
 795         printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 796         printf("(C) ChatSpike Development team.\033[0m\n\n");
 797         printf("Developers:\t\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om\033[0m\n");
 798         printf("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");
 799         printf("Name concept:\t\t\033[1;32mLord_Zathras\033[0m\n\n");
 800 }
 801
 802 void WritePID(std::string filename)
 803 {
 804         ofstream outfile(filename.c_str());
 805         if (outfile.is_open())
 806         {
 807                 outfile << getpid();
 808                 outfile.close();
 809         }
 810         else
 811         {
 812                 printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
 813                 log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
 814                 Exit(0);
 815         }
 816 }
 817
 818 void SetSignals()
 819 {
 820         signal (SIGALRM, SIG_IGN);
 821         signal (SIGHUP, Rehash);
 822         signal (SIGPIPE, SIG_IGN);
 823         signal (SIGTERM, Exit);
 824         signal (SIGSEGV, Error);
 825 }
 826
 827
 828 int DaemonSeed (void)
 829 {
 830         int childpid;
 831         if ((childpid = fork ()) < 0)
 832                 return (ERROR);
 833         else if (childpid > 0)
 834         {
 835                 /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */
 836                 sleep(6);
 837                 exit (0);
 838         }
 839         setsid ();
 840         umask (007);
 841         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 842
 843         if (Config->unlimitcore)
 844         {
 845                 rlimit rl;
 846                 if (getrlimit(RLIMIT_CORE, &rl) == -1)
 847                 {
 848                         log(DEFAULT,"Failed to getrlimit()!");
 849                         return(FALSE);
 850                 }
 851                 else
 852                 {
 853                         rl.rlim_cur = rl.rlim_max;
 854                         if (setrlimit(RLIMIT_CORE, &rl) == -1)
 855                                 log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 856                 }
 857         }
 858
 859         return (TRUE);
 860 }
 861
 862
 863 /* Make Sure Modules Are Avaliable!
 864  * (BugFix By Craig.. See? I do work! :p)
 865  * Modified by brain, requires const char*
 866  * to work with other API functions
 867  */
 868
 869 bool FileExists (const char* file)
 870 {
 871         FILE *input;
 872         if ((input = fopen (file, "r")) == NULL)
 873         {
 874                 return(false);
 875         }
 876         else
 877         {
 878                 fclose (input);
 879                 return(true);
 880         }
 881 }
 882
 883 /* ConfProcess does the following things to a config line in the following order:
 884  *
 885  * Processes the line for syntax errors as shown below
 886  *  (1) Line void of quotes or equals (a malformed, illegal tag format)
 887  *  (2) Odd number of quotes on the line indicating a missing quote
 888  *  (3) number of equals signs not equal to number of quotes / 2 (missing an equals sign)
 889  *  (4) Spaces between the opening bracket (<) and the keyword
 890  *  (5) Spaces between a keyword and an equals sign
 891  *  (6) Spaces between an equals sign and a quote
 892  * Removes trailing spaces
 893  * Removes leading spaces
 894  * Converts tabs to spaces
 895  * Turns multiple spaces that are outside of quotes into single spaces
 896  */
 897
 898 std::string ServerConfig::ConfProcess(char* buffer, long linenumber, std::stringstream* errorstream, bool &error, std::string filename)
 899 {
 900         long number_of_quotes = 0;
 901         long number_of_equals = 0;
 902         bool has_open_bracket = false;
 903         bool in_quotes = false;
 904         char* trailing;
 905
 906         error = false;
 907         if (!buffer)
 908         {
 909                 return "";
 910         }
 911         // firstly clean up the line by stripping spaces from the start and end and converting tabs to spaces
 912         for (char* d = buffer; *d; d++)
 913                 if (*d == 9)
 914                         *d = ' ';
 915         while (*buffer == ' ') buffer++;
 916         trailing = buffer + strlen(buffer) - 1;
 917         while (*trailing == ' ') *trailing-- = '\0';
 918
 919         // empty lines are syntactically valid, as are comments
 920         if (!(*buffer) || buffer[0] == '#')
 921                 return "";
 922
 923         for (char* c = buffer; *c; c++)
 924         {
 925                 // convert all spaces that are OUTSIDE quotes into hardspace (0xA0) as this will make them easier to
 926                 // search and replace later :)
 927                 if ((!in_quotes) && (*c == ' '))
 928                         *c = '\xA0';
 929                 if ((*c == '<') && (!in_quotes))
 930                 {
 931                         has_open_bracket = true;
 932                         if (!(*(buffer+1)))
 933                         {
 934                                 *errorstream << "Tag without identifier at " << filename << ":" << linenumber << endl;
 935                                 error = true;
 936                                 return "";
 937                         }
 938                         else if ((tolower(*(c+1)) < 'a') || (tolower(*(c+1)) > 'z'))
 939                         {
 940                                 *errorstream << "Invalid characters in identifier at " << filename << ":" << linenumber << endl;
 941                                 error = true;
 942                                 return "";
 943                         }
 944                 }
 945                 if (*c == '"')
 946                 {
 947                         number_of_quotes++;
 948                         in_quotes = (!in_quotes);
 949                 }
 950                 if ((*c == '=') && (!in_quotes))
 951                 {
 952                         number_of_equals++;
 953                         if (*(c+1) == 0)
 954                         {
 955                                 *errorstream << "Variable without a value at " << filename << ":" << linenumber << endl;
 956                                 error = true;
 957                                 return "";
 958                         }
 959                         else if (*(c+1) != '"')
 960                         {
 961                                 *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
 962                                 error = true;
 963                                 return "";
 964                         }
 965                         else if (c == buffer)
 966                         {
 967                                 *errorstream << "Value without a variable (line starts with '=') at " << filename << ":" << linenumber << endl;
 968                                 error = true;
 969                                 return "";
 970                         }
 971                         else if (*(c-1) == '\xA0')
 972                         {
 973                                 *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
 974                                 error = true;
 975                                 return "";
 976                         }
 977                 }
 978         }
 979         // no quotes, and no equals. something freaky.
 980         if ((!number_of_quotes) || (!number_of_equals) && (strlen(buffer)>2) && (*buffer == '<'))
 981         {
 982                 *errorstream << "Malformed tag at " << filename << ":" << linenumber << endl;
 983                 error = true;
 984                 return "";
 985         }
 986         // odd number of quotes. thats just wrong.
 987         if ((number_of_quotes % 2) != 0)
 988         {
 989                 *errorstream << "Missing \" at " << filename << ":" << linenumber << endl;
 990                 error = true;
 991                 return "";
 992         }
 993         if (number_of_equals < (number_of_quotes/2))
 994         {
 995                 *errorstream << "Missing '=' at " << filename << ":" << linenumber << endl;
 996         }
 997         if (number_of_equals > (number_of_quotes/2))
 998         {
 999                 *errorstream << "Too many '=' at " << filename << ":" << linenumber << endl;
1000         }
1001
1002         std::string parsedata = buffer;
1003         // turn multispace into single space
1004         while (parsedata.find("\xA0\xA0") != std::string::npos)
1005         {
1006                 parsedata.erase(parsedata.find("\xA0\xA0"),1);
1007         }
1008
1009         // turn our hardspace back into softspace
1010         for (unsigned int d = 0; d < parsedata.length(); d++)
1011         {
1012                 if (parsedata[d] == '\xA0')
1013                         parsedata[d] = ' ';
1014         }
1015
1016         // and we're done, the line is fine!
1017         return parsedata;
1018 }
1019
1020 int ServerConfig::fgets_safe(char* buffer, size_t maxsize, FILE* &file)
1021 {
1022         char c_read = 0;
1023         size_t n = 0;
1024         char* bufptr = buffer;
1025         while ((!feof(file)) && (c_read != '\n') && (c_read != '\r') && (n < maxsize))
1026         {
1027                 c_read = fgetc(file);
1028                 if ((c_read != '\n') && (c_read != '\r'))
1029                 {
1030                         *bufptr++ = c_read;
1031                         n++;
1032                 }
1033         }
1034         *bufptr = 0;
1035         return bufptr - buffer;
1036 }
1037
1038 bool ServerConfig::LoadConf(const char* filename, std::stringstream *target, std::stringstream* errorstream)
1039 {
1040         target->str("");
1041         errorstream->str("");
1042         long linenumber = 1;
1043         // first, check that the file exists before we try to do anything with it
1044         if (!FileExists(filename))
1045         {
1046                 *errorstream << "File " << filename << " not found." << endl;
1047                 return false;
1048         }
1049         // Fix the chmod of the file to restrict it to the current user and group
1050         chmod(filename,0600);
1051         for (unsigned int t = 0; t < include_stack.size(); t++)
1052         {
1053                 if (std::string(filename) == include_stack[t])
1054                 {
1055                         *errorstream << "File " << filename << " is included recursively (looped inclusion)." << endl;
1056                         return false;
1057                 }
1058         }
1059         include_stack.push_back(filename);
1060         // now open it
1061         FILE* conf = fopen(filename,"r");
1062         char buffer[MAXBUF];
1063         if (conf)
1064         {
1065                 while (!feof(conf))
1066                 {
1067                         if (fgets_safe(buffer, MAXBUF, conf))
1068                         {
1069                                 if ((!feof(conf)) && (buffer) && (*buffer))
1070                                 {
1071                                         if ((buffer[0] != '#') && (buffer[0] != '\r')  && (buffer[0] != '\n'))
1072                                         {
1073                                                 if (!strncmp(buffer,"<include file=\"",15))
1074                                                 {
1075                                                         char* buf = buffer;
1076                                                         char confpath[10240],newconf[10240];
1077                                                         // include file directive
1078                                                         buf += 15;      // advance to filename
1079                                                         for (char* j = buf; *j; j++)
1080                                                         {
1081                                                                 if (*j == '\\')
1082                                                                         *j = '/';
1083                                                                 if (*j == '"')
1084                                                                 {
1085                                                                         *j = 0;
1086                                                                         break;
1087                                                                 }
1088                                                         }
1089                                                         log(DEBUG,"Opening included file '%s'",buf);
1090                                                         if (*buf != '/')
1091                                                         {
1092                                                                 strlcpy(confpath,CONFIG_FILE,10240);
1093                                                                 if (strstr(confpath,"/inspircd.conf"))
1094                                                                 {
1095                                                                         // leaves us with just the path
1096                                                                         *(strstr(confpath,"/inspircd.conf")) = '\0';
1097                                                                 }
1098                                                                 snprintf(newconf,10240,"%s/%s",confpath,buf);
1099                                                         }
1100                                                         else strlcpy(newconf,buf,10240);
1101                                                         std::stringstream merge(stringstream::in | stringstream::out);
1102                                                         // recursively call LoadConf and get the new data, use the same errorstream
1103                                                         if (LoadConf(newconf, &merge, errorstream))
1104                                                         {
1105                                                                 // append to the end of the file
1106                                                                 std::string newstuff = merge.str();
1107                                                                 *target << newstuff;
1108                                                         }
1109                                                         else
1110                                                         {
1111                                                                 // the error propogates up to its parent recursively
1112                                                                 // causing the config reader to bail at the top level.
1113                                                                 fclose(conf);
1114                                                                 return false;
1115                                                         }
1116                                                 }
1117                                                 else
1118                                                 {
1119                                                         bool error = false;
1120                                                         std::string data = this->ConfProcess(buffer,linenumber++,errorstream,error,filename);
1121                                                         if (error)
1122                                                         {
1123                                                                 return false;
1124                                                         }
1125                                                         *target << data;
1126                                                 }
1127                                         }
1128                                         else linenumber++;
1129                                 }
1130                         }
1131                 }
1132                 fclose(conf);
1133         }
1134         target->seekg(0);
1135         return true;
1136 }
1137
1138 /* Counts the number of tags of a certain type within the config file, e.g. to enumerate opers */
1139
1140 int ServerConfig::EnumConf(std::stringstream *config, const char* tag)
1141 {
1142         int ptr = 0;
1143         char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
1144         int in_token, in_quotes, tptr, idx = 0;
1145
1146         std::string x = config->str();
1147         const char* buf = x.c_str();
1148         char* bptr = (char*)buf;
1149
1150         ptr = 0;
1151         in_token = 0;
1152         in_quotes = 0;
1153         lastc = '\0';
1154         while (*bptr)
1155         {
1156                 lastc = c;
1157                 c = *bptr++;
1158                 if ((c == '#') && (lastc == '\n'))
1159                 {
1160                         while ((c != '\n') && (*bptr))
1161                         {
1162                                 lastc = c;
1163                                 c = *bptr++;
1164                         }
1165                 }
1166                 if ((c == '<') && (!in_quotes))
1167                 {
1168                         tptr = 0;
1169                         in_token = 1;
1170                         do {
1171                                 c = *bptr++;
1172                                 if (c != ' ')
1173                                 {
1174                                         c_tag[tptr++] = c;
1175                                         c_tag[tptr] = '\0';
1176                                 }
1177                         } while (c != ' ');
1178                 }
1179                 if (c == '"')
1180                 {
1181                         in_quotes = (!in_quotes);
1182                 }
1183                 if ((c == '>') && (!in_quotes))
1184                 {
1185                         in_token = 0;
1186                         if (!strcmp(c_tag,tag))
1187                         {
1188                                 /* correct tag, but wrong index */
1189                                 idx++;
1190                         }
1191                         c_tag[0] = '\0';
1192                         buffer[0] = '\0';
1193                         ptr = 0;
1194                         tptr = 0;
1195                 }
1196                 if (c != '>')
1197                 {
1198                         if ((in_token) && (c != '\n') && (c != '\r'))
1199                         {
1200                                 buffer[ptr++] = c;
1201                                 buffer[ptr] = '\0';
1202                         }
1203                 }
1204         }
1205         return idx;
1206 }
1207
1208 /* Counts the number of values within a certain tag */
1209
1210 int ServerConfig::EnumValues(std::stringstream *config, const char* tag, int index)
1211 {
1212         int ptr = 0;
1213         char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
1214         int in_token, in_quotes, tptr, idx = 0;
1215         bool correct_tag = false;
1216         int num_items = 0;
1217         const char* buf = config->str().c_str();
1218         char* bptr = (char*)buf;
1219
1220         ptr = 0;
1221         in_token = 0;
1222         in_quotes = 0;
1223         lastc = 0;
1224
1225         while (*bptr)
1226         {
1227                 lastc = c;
1228                 c = *bptr++;
1229                 if ((c == '#') && (lastc == '\n'))
1230                 {
1231                         while ((c != '\n') && (*bptr))
1232                         {
1233                                 lastc = c;
1234                                 c = *bptr++;
1235                         }
1236                 }
1237                 if ((c == '<') && (!in_quotes))
1238                 {
1239                         tptr = 0;
1240                         in_token = 1;
1241                         do {
1242                                 c = *bptr++;
1243                                 if (c != ' ')
1244                                 {
1245                                         c_tag[tptr++] = c;
1246                                         c_tag[tptr] = '\0';
1247
1248                                         if ((!strcmp(c_tag,tag)) && (idx == index))
1249                                         {
1250                                                 correct_tag = true;
1251                                         }
1252                                 }
1253                         } while (c != ' ');
1254                 }
1255                 if (c == '"')
1256                 {
1257                         in_quotes = (!in_quotes);
1258                 }
1259
1260                 if ( (correct_tag) && (!in_quotes) && ( (c == ' ') || (c == '\n') || (c == '\r') ) )
1261                 {
1262                         num_items++;
1263                 }
1264                 if ((c == '>') && (!in_quotes))
1265                 {
1266                         in_token = 0;
1267                         if (correct_tag)
1268                                 correct_tag = false;
1269                         if (!strcmp(c_tag,tag))
1270                         {
1271                                 /* correct tag, but wrong index */
1272                                 idx++;
1273                         }
1274                         c_tag[0] = '\0';
1275                         buffer[0] = '\0';
1276                         ptr = 0;
1277                         tptr = 0;
1278                 }
1279                 if (c != '>')
1280                 {
1281                         if ((in_token) && (c != '\n') && (c != '\r'))
1282                         {
1283                                 buffer[ptr++] = c;
1284                                 buffer[ptr] = '\0';
1285                         }
1286                 }
1287         }
1288         return num_items+1;
1289 }
1290
1291
1292 int ServerConfig::ConfValueEnum(char* tag, std::stringstream* config)
1293 {
1294         return EnumConf(config,tag);
1295 }
1296
1297
1298 int ServerConfig::ReadConf(std::stringstream *config, const char* tag, const char* var, int index, char *result)
1299 {
1300         int ptr = 0;
1301         char buffer[65535], c_tag[MAXBUF], c, lastc;
1302         int in_token, in_quotes, tptr, idx = 0;
1303         char* key;
1304         std::string x = config->str();
1305         const char* buf = x.c_str();
1306         char* bptr = (char*)buf;
1307
1308         ptr = 0;
1309         in_token = 0;
1310         in_quotes = 0;
1311         lastc = 0;
1312         c_tag[0] = 0;
1313         buffer[0] = 0;
1314
1315         while (*bptr)
1316         {
1317                 lastc = c;
1318                 c = *bptr++;
1319                 // FIX: Treat tabs as spaces
1320                 if (c == 9)
1321                         c = 32;
1322                 if ((c == '<') && (!in_quotes))
1323                 {
1324                         tptr = 0;
1325                         in_token = 1;
1326                         do {
1327                                 c = *bptr++;
1328                                 if (c != ' ')
1329                                 {
1330                                         c_tag[tptr++] = c;
1331                                         c_tag[tptr] = '\0';
1332                                 }
1333                         // FIX: Tab can follow a tagname as well as space.
1334                         } while ((c != ' ') && (c != 9));
1335                 }
1336                 if (c == '"')
1337                 {
1338                         in_quotes = (!in_quotes);
1339                 }
1340                 if ((c == '>') && (!in_quotes))
1341                 {
1342                         in_token = 0;
1343                         if (idx == index)
1344                         {
1345                                 if (!strcmp(c_tag,tag))
1346                                 {
1347                                         if ((buffer) && (c_tag) && (var))
1348                                         {
1349                                                 key = strstr(buffer,var);
1350                                                 if (!key)
1351                                                 {
1352                                                         /* value not found in tag */
1353                                                         *result = 0;
1354                                                         return 0;
1355                                                 }
1356                                                 else
1357                                                 {
1358                                                         key+=strlen(var);
1359                                                         while (*key !='"')
1360                                                         {
1361                                                                 if (!*key)
1362                                                                 {
1363                                                                         /* missing quote */
1364                                                                         *result = 0;
1365                                                                         return 0;
1366                                                                 }
1367                                                                 key++;
1368                                                         }
1369                                                         key++;
1370                                                         for (char* j = key; *j; j++)
1371                                                         {
1372                                                                 if (*j == '"')
1373                                                                 {
1374                                                                         *j = 0;
1375                                                                         break;
1376                                                                 }
1377                                                         }
1378                                                         strlcpy(result,key,MAXBUF);
1379                                                         return 1;
1380                                                 }
1381                                         }
1382                                 }
1383                         }
1384                         if (!strcmp(c_tag,tag))
1385                         {
1386                                 /* correct tag, but wrong index */
1387                                 idx++;
1388                         }
1389                         c_tag[0] = '\0';
1390                         buffer[0] = '\0';
1391                         ptr = 0;
1392                         tptr = 0;
1393                 }
1394                 if (c != '>')
1395                 {
1396                         if ((in_token) && (c != '\n') && (c != '\r'))
1397                         {
1398                                 buffer[ptr++] = c;
1399                                 buffer[ptr] = '\0';
1400                         }
1401                 }
1402         }
1403         *result = 0; // value or its tag not found at all
1404         return 0;
1405 }
1406
1407
1408
1409 int ServerConfig::ConfValue(char* tag, char* var, int index, char *result,std::stringstream *config)
1410 {
1411         ReadConf(config, tag, var, index, result);
1412         return 0;
1413 }
1414
1415 int ServerConfig::ConfValueInteger(char* tag, char* var, int index, std::stringstream *config)
1416 {
1417         char result[MAXBUF];
1418         ReadConf(config, tag, var, index, result);
1419         return atoi(result);
1420 }
1421
1422 // This will bind a socket to a port. It works for UDP/TCP
1423 int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr)
1424 {
1425         memset((char *)&server,0,sizeof(server));
1426         struct in_addr addy;
1427         bool resolved = false;
1428         char resolved_addr[128];
1429
1430         if (*addr == '*')
1431                 *addr = 0;
1432
1433         if (*addr && !inet_aton(addr,&addy))
1434         {
1435                 /* If they gave a hostname, bind to the IP it resolves to */
1436                 if (CleanAndResolve(resolved_addr, addr, true))
1437                 {
1438                         inet_aton(resolved_addr,&addy);
1439                         log(DEFAULT,"Resolved binding '%s' -> '%s'",addr,resolved_addr);
1440                         server.sin_addr = addy;
1441                         resolved = true;
1442                 }
1443                 else
1444                 {
1445                         log(DEFAULT,"WARNING: Could not resolve '%s' to an IP for binding to on port %d",addr,port);
1446                         return(FALSE);
1447                 }
1448         }
1449         server.sin_family = AF_INET;
1450         if (!resolved)
1451         {
1452                 if (!*addr)
1453                 {
1454                         server.sin_addr.s_addr = htonl(INADDR_ANY);
1455                 }
1456                 else
1457                 {
1458                         server.sin_addr = addy;
1459                 }
1460         }
1461         server.sin_port = htons(port);
1462         if (bind(sockfd,(struct sockaddr*)&server,sizeof(server)) < 0)
1463         {
1464                 return(ERROR);
1465         }
1466         else
1467         {
1468                 log(DEBUG,"Bound port %s:%d",*addr ? addr : "*",port);
1469                 if (listen(sockfd, Config->MaxConn) == -1)
1470                 {
1471                         log(DEFAULT,"ERROR in listen(): %s",strerror(errno));
1472                         return(FALSE);
1473                 }
1474                 else
1475                 {
1476                         return(TRUE);
1477                 }
1478         }
1479 }
1480
1481
1482 // Open a TCP Socket
1483 int OpenTCPSocket (void)
1484 {
1485         int sockfd;
1486         int on = 1;
1487         struct linger linger = { 0 };
1488
1489         if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
1490                 return (ERROR);
1491         else
1492         {
1493                 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
1494                 /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
1495                 linger.l_onoff = 1;
1496                 linger.l_linger = 1;
1497                 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
1498                 return (sockfd);
1499         }
1500 }
1501
1502 int BindPorts()
1503 {
1504         char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
1505         sockaddr_in client,server;
1506         int clientportcount = 0;
1507         int BoundPortCount = 0;
1508
1509         for (int count = 0; count < Config->ConfValueEnum("bind",&Config->config_f); count++)
1510         {
1511                 Config->ConfValue("bind","port",count,configToken,&Config->config_f);
1512                 Config->ConfValue("bind","address",count,Addr,&Config->config_f);
1513                 Config->ConfValue("bind","type",count,Type,&Config->config_f);
1514
1515                 if ((!*Type) || (!strcmp(Type,"clients")))
1516                 {
1517                         // modules handle server bind types now
1518                         Config->ports[clientportcount] = atoi(configToken);
1519
1520                         // If the client put bind "*", this is an unrealism.
1521                         // We don't actually support this as documented, but
1522                         // i got fed up of people trying it, so now it converts
1523                         // it to an empty string meaning the same 'bind to all'.
1524                         if (*Addr == '*')
1525                                 *Addr = 0;
1526
1527                         strlcpy(Config->addrs[clientportcount],Addr,256);
1528                         clientportcount++;
1529                         log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
1530                 }
1531         }
1532
1533         int PortCount = clientportcount;
1534
1535         for (int count = 0; count < PortCount; count++)
1536         {
1537                 if ((openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR)
1538                 {
1539                         log(DEBUG,"InspIRCd: startup: bad fd %lu binding port [%s:%d]",(unsigned long)openSockfd[BoundPortCount],Config->addrs[count],(unsigned long)Config->ports[count]);
1540                         return(ERROR);
1541                 }
1542
1543                 if (BindSocket(openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]) == ERROR)
1544                 {
1545                         log(DEFAULT,"InspIRCd: startup: failed to bind port [%s:%lu]: %s",Config->addrs[count],(unsigned long)Config->ports[count],strerror(errno));
1546                 }
1547                 else
1548                 {
1549                         /* well we at least bound to one socket so we'll continue */
1550                         BoundPortCount++;
1551                 }
1552         }
1553
1554         /* if we didn't bind to anything then abort */
1555         if (!BoundPortCount)
1556         {
1557                 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
1558                 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)PortCount);
1559                 return (ERROR);
1560         }
1561
1562         return BoundPortCount;
1563 }
1564