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 "inspircd.h"
  29 #include "inspircd_io.h"
  30 #include "inspstring.h"
  31 #include "helperfuncs.h"
  32 #include "userprocess.h"
  33 #include "xline.h"
  34
  35 extern ServerConfig *Config;
  36 extern InspIRCd* ServerInstance;
  37 extern int openSockfd[MAXSOCKS];
  38 extern time_t TIME;
  39
  40 extern int MODCOUNT;
  41 extern std::vector<Module*> modules;
  42 extern std::vector<ircd_module*> factory;
  43
  44 ServerConfig::ServerConfig()
  45 {
  46         this->ClearStack();
  47         *TempDir = *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  48         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = '\0';
  49         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  50         *OperOnlyStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = '\0';
  51         log_file = NULL;
  52         nofork = HideBans = HideSplits = unlimitcore = false;
  53         AllowHalfop = true;
  54         dns_timeout = DieDelay = 5;
  55         MaxTargets = 20;
  56         NetBufferSize = 10240;
  57         SoftLimit = MAXCLIENTS;
  58         MaxConn = SOMAXCONN;
  59         MaxWhoResults = 100;
  60         debugging = 0;
  61         LogLevel = DEFAULT;
  62         maxbans.clear();
  63 }
  64
  65 void ServerConfig::ClearStack()
  66 {
  67         include_stack.clear();
  68 }
  69
  70 Module* ServerConfig::GetIOHook(int port)
  71 {
  72         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  73         return (x != IOHookModule.end() ? x->second : NULL);
  74 }
  75
  76 bool ServerConfig::AddIOHook(int port, Module* iomod)
  77 {
  78         if (!GetIOHook(port))
  79         {
  80                 IOHookModule[port] = iomod;
  81                 return true;
  82         }
  83         else
  84         {
  85                 ModuleException err("Port already hooked by another module");
  86                 throw(err);
  87                 return false;
  88         }
  89 }
  90
  91 bool ServerConfig::DelIOHook(int port)
  92 {
  93         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  94         if (x != IOHookModule.end())
  95         {
  96                 IOHookModule.erase(x);
  97                 return true;
  98         }
  99         return false;
 100 }
 101
 102 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 103 {
 104         int count = ConfValueEnum(tag,&Config->config_f);
 105         if (count > 1)
 106         {
 107                 if (bail)
 108                 {
 109                         printf("There were errors in your configuration:\nYou have more than one <%s> tag, this is not permitted.\n",tag);
 110                         Exit(0);
 111                 }
 112                 else
 113                 {
 114                         if (user)
 115                         {
 116                                 WriteServ(user->fd,"There were errors in your configuration:");
 117                                 WriteServ(user->fd,"You have more than one <%s> tag, this is not permitted.\n",tag);
 118                         }
 119                         else
 120                         {
 121                                 WriteOpers("There were errors in the configuration file:");
 122                                 WriteOpers("You have more than one <%s> tag, this is not permitted.\n",tag);
 123                         }
 124                 }
 125                 return false;
 126         }
 127         if (count < 1)
 128         {
 129                 if (bail)
 130                 {
 131                         printf("There were errors in your configuration:\nYou have not defined a <%s> tag, this is required.\n",tag);
 132                         Exit(0);
 133                 }
 134                 else
 135                 {
 136                         if (user)
 137                         {
 138                                 WriteServ(user->fd,"There were errors in your configuration:");
 139                                 WriteServ(user->fd,"You have not defined a <%s> tag, this is required.",tag);
 140                         }
 141                         else
 142                         {
 143                                 WriteOpers("There were errors in the configuration file:");
 144                                 WriteOpers("You have not defined a <%s> tag, this is required.",tag);
 145                         }
 146                 }
 147                 return false;
 148         }
 149         return true;
 150 }
 151
 152 typedef bool (*Validator)(const char*, const char*, void*);
 153
 154 enum ConfigDataType { DT_NOTHING, DT_INTEGER, DT_CHARPTR, DT_BOOLEAN };
 155
 156 struct InitialConfig {
 157         char* tag;
 158         char* value;
 159         void* val;
 160         int datatype;
 161         Validator validation_function;
 162 };
 163
 164 bool NoValidation(const char* tag, const char* value, void* data)
 165 {
 166         log(DEBUG,"No validation for <%s:%s>",tag,value);
 167         return true;
 168 }
 169
 170 bool ValidateTempDir(const char* tag, const char* value, void* data)
 171 {
 172         char* x = (char*)data;
 173         if (!*x)
 174                strlcpy(x,"/tmp",1024);
 175         return true;
 176 }
 177
 178 bool ValidateMaxTargets(const char* tag, const char* value, void* data)
 179 {
 180         int* x = (int*)data;
 181         if ((*x < 0) || (*x > 31))
 182         {
 183                 log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 184                 *x = 20;
 185         }
 186         return true;
 187 }
 188
 189 bool ValidateSoftLimit(const char* tag, const char* value, void* data)
 190 {
 191         int* x = (int*)data;
 192         if ((*x < 1) || (*x > MAXCLIENTS))
 193         {
 194                 log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 195                 *x = MAXCLIENTS;
 196         }
 197         return true;
 198 }
 199
 200 bool ValidateMaxConn(const char* tag, const char* value, void* data)
 201 {
 202         int* x = (int*)data;
 203         if (*x > SOMAXCONN)
 204                 log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 205         if (!*x)
 206                 *x = SOMAXCONN;
 207         return true;
 208 }
 209
 210 bool ValidateDnsTimeout(const char* tag, const char* value, void* data)
 211 {
 212         int* x = (int*)data;
 213         if (!*x)
 214                 *x = 5;
 215         return true;
 216 }
 217
 218 bool ValidateDnsServer(const char* tag, const char* value, void* data)
 219 {
 220         char* x = (char*)data;
 221         if (!*x)
 222         {
 223                 // attempt to look up their nameserver from /etc/resolv.conf
 224                 log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 225                 ifstream resolv("/etc/resolv.conf");
 226                 std::string nameserver;
 227                 bool found_server = false;
 228
 229                 if (resolv.is_open())
 230                 {
 231                         while (resolv >> nameserver)
 232                         {
 233                                 if ((nameserver == "nameserver") && (!found_server))
 234                                 {
 235                                         resolv >> nameserver;
 236                                         strlcpy(x,nameserver.c_str(),MAXBUF);
 237                                         found_server = true;
 238                                         log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 239                                 }
 240                         }
 241
 242                         if (!found_server)
 243                         {
 244                                 log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 245                                 strlcpy(x,"127.0.0.1",MAXBUF);
 246                         }
 247                 }
 248                 else
 249                 {
 250                         log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 251                         strlcpy(x,"127.0.0.1",MAXBUF);
 252                 }
 253         }
 254         return true;
 255 }
 256
 257 bool ValidateModPath(const char* tag, const char* value, void* data)
 258 {
 259         char* x = (char*)data;
 260         if (!*x)
 261                 strlcpy(x,MOD_PATH,MAXBUF);
 262         return true;
 263 }
 264
 265
 266 bool ValidateServerName(const char* tag, const char* value, void* data)
 267 {
 268         char* x = (char*)data;
 269         if (!strchr(x,'.'))
 270         {
 271                 log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",x,x,'.');
 272                 charlcat(x,'.',MAXBUF);
 273         }
 274         strlower(x);
 275         return true;
 276 }
 277
 278 bool ValidateNetBufferSize(const char* tag, const char* value, void* data)
 279 {
 280         if ((!Config->NetBufferSize) || (Config->NetBufferSize > 65535) || (Config->NetBufferSize < 1024))
 281         {
 282                 log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 283                 Config->NetBufferSize = 10240;
 284         }
 285         return true;
 286 }
 287
 288 bool ValidateMaxWho(const char* tag, const char* value, void* data)
 289 {
 290         if ((!Config->MaxWhoResults) || (Config->MaxWhoResults > 65535) || (Config->MaxWhoResults < 1))
 291         {
 292                 log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 293                 Config->MaxWhoResults = 128;
 294         }
 295         return true;
 296 }
 297
 298 bool ValidateLogLevel(const char* tag, const char* value, void* data)
 299 {
 300         const char* dbg = (const char*)data;
 301         Config->LogLevel = DEFAULT;
 302         if (!strcmp(dbg,"debug"))
 303         {
 304                 Config->LogLevel = DEBUG;
 305                 Config->debugging = 1;
 306         }
 307         else if (!strcmp(dbg,"verbose"))
 308                 Config->LogLevel = VERBOSE;
 309         else if (!strcmp(dbg,"default"))
 310                 Config->LogLevel = DEFAULT;
 311         else if (!strcmp(dbg,"sparse"))
 312                 Config->LogLevel = SPARSE;
 313         else if (!strcmp(dbg,"none"))
 314                 Config->LogLevel = NONE;
 315         return true;
 316 }
 317
 318 bool ValidateMotd(const char* tag, const char* value, void* data)
 319 {
 320         readfile(Config->MOTD,Config->motd);
 321         return true;
 322 }
 323
 324 bool ValidateRules(const char* tag, const char* value, void* data)
 325 {
 326         readfile(Config->RULES,Config->rules);
 327         return true;
 328 }
 329
 330
 331 void ServerConfig::Read(bool bail, userrec* user)
 332 {
 333         char debug[MAXBUF];
 334
 335         static InitialConfig Values[] = {
 336                 {"options",     "softlimit",            &this->SoftLimit,               DT_INTEGER, ValidateSoftLimit},
 337                 {"options",     "somaxconn",            &this->MaxConn,                 DT_INTEGER, ValidateMaxConn},
 338                 {"server",      "name",                 &this->ServerName,              DT_CHARPTR, ValidateServerName},
 339                 {"server",      "description",          &this->ServerDesc,              DT_CHARPTR, ValidateServerName},
 340                 {"server",      "network",              &this->Network,                 DT_CHARPTR, NoValidation},
 341                 {"admin",       "name",                 &this->AdminName,               DT_CHARPTR, NoValidation},
 342                 {"admin",       "email",                &this->AdminEmail,              DT_CHARPTR, NoValidation},
 343                 {"admin",       "nick",                 &this->AdminNick,               DT_CHARPTR, NoValidation},
 344                 {"files",       "motd",                 &this->motd,                    DT_CHARPTR, ValidateMotd},
 345                 {"files",       "rules",                &this->rules,                   DT_CHARPTR, ValidateRules},
 346                 {"power",       "diepass",              &this->diepass,                 DT_CHARPTR, NoValidation},
 347                 {"power",       "pauseval",             &this->DieDelay,                DT_INTEGER, NoValidation},
 348                 {"power",       "restartpass",          &this->restartpass,             DT_CHARPTR, NoValidation},
 349                 {"options",     "prefixquit",           &this->PrefixQuit,              DT_CHARPTR, NoValidation},
 350                 {"die",         "value",                &this->DieValue,                DT_CHARPTR, NoValidation},
 351                 {"options",     "loglevel",             &debug,                         DT_CHARPTR, ValidateLogLevel},
 352                 {"options",     "netbuffersize",        &this->NetBufferSize,           DT_INTEGER, ValidateNetBufferSize},
 353                 {"options",     "maxwho",               &this->MaxWhoResults,           DT_INTEGER, ValidateMaxWho},
 354                 {"options",     "allowhalfop",          &this->AllowHalfop,             DT_BOOLEAN, NoValidation},
 355                 {"dns",         "server",               &this->DNSServer,               DT_CHARPTR, ValidateDnsServer},
 356                 {"dns",         "timeout",              &this->dns_timeout,             DT_INTEGER, ValidateDnsTimeout},
 357                 {"options",     "moduledir",            &this->ModPath,                 DT_CHARPTR, ValidateModPath},
 358                 {"disabled",    "commands",             &this->DisabledCommands,        DT_CHARPTR, NoValidation},
 359                 {"options",     "operonlystats",        &this->OperOnlyStats,           DT_CHARPTR, NoValidation},
 360                 {"options",     "customversion",        &this->CustomVersion,           DT_CHARPTR, NoValidation},
 361                 {"options",     "hidesplits",           &this->HideSplits,              DT_BOOLEAN, NoValidation},
 362                 {"options",     "hidebans",             &this->HideBans,                DT_BOOLEAN, NoValidation},
 363                 {"options",     "hidewhois",            &this->HideWhoisServer,         DT_CHARPTR, NoValidation},
 364                 {"options",     "tempdir",              &this->TempDir,                 DT_CHARPTR, ValidateTempDir},
 365                 {NULL}
 366         };
 367
 368         //
 369         char timeout[MAXBUF],flood[MAXBUF],pfreq[MAXBUF],thold[MAXBUF],sqmax[MAXBUF],rqmax[MAXBUF];
 370         char localmax[MAXBUF],globalmax[MAXBUF],ServName[MAXBUF],Value[MAXBUF];
 371
 372         ConnectClass c;
 373         std::stringstream errstr;
 374
 375         include_stack.clear();
 376
 377         if (!LoadConf(CONFIG_FILE,&Config->config_f,&errstr))
 378         {
 379                 errstr.seekg(0);
 380                 log(DEFAULT,"There were errors in your configuration:\n%s",errstr.str().c_str());
 381
 382                 if (bail)
 383                 {
 384                         printf("There were errors in your configuration:\n%s",errstr.str().c_str());
 385                         Exit(0);
 386                 }
 387                 else
 388                 {
 389                         char dataline[1024];
 390
 391                         if (user)
 392                         {
 393                                 WriteServ(user->fd,"NOTICE %s :There were errors in the configuration file:",user->nick);
 394                                 while (!errstr.eof())
 395                                 {
 396                                         errstr.getline(dataline,1024);
 397                                         WriteServ(user->fd,"NOTICE %s :%s",user->nick,dataline);
 398                                 }
 399                         }
 400                         else
 401                         {
 402                                 WriteOpers("There were errors in the configuration file:");
 403                                 while (!errstr.eof())
 404                                 {
 405                                         errstr.getline(dataline,1024);
 406                                         WriteOpers(dataline);
 407                                 }
 408                         }
 409
 410                         return;
 411                 }
 412         }
 413
 414         /* Check we dont have more than one of singular tags
 415          */
 416         if (!CheckOnce("server",bail,user) || !CheckOnce("admin",bail,user) || !CheckOnce("files",bail,user)
 417                 || !CheckOnce("power",bail,user) || !CheckOnce("options",bail,user) || !CheckOnce("pid",bail,user))
 418         {
 419                 return;
 420         }
 421
 422         char* convert;
 423         for (int Index = 0; Values[Index].tag; Index++)
 424         {
 425                 int* val_i = (int*) Values[Index].val;
 426                 char* val_c = (char*) Values[Index].val;
 427
 428                 switch (Values[Index].datatype)
 429                 {
 430                         case DT_CHARPTR:
 431                                 ConfValue(Values[Index].tag, Values[Index].value, 0, val_c, &this->config_f);
 432                         break;
 433
 434                         case DT_INTEGER:
 435                                 convert = new char[MAXBUF];
 436                                 ConfValue(Values[Index].tag, Values[Index].value, 0, convert, &this->config_f);
 437                                 *val_i = atoi(convert);
 438                                 delete[] convert;
 439                         break;
 440
 441                         case DT_BOOLEAN:
 442                                 convert = new char[MAXBUF];
 443                                 ConfValue(Values[Index].tag, Values[Index].value, 0, convert, &this->config_f);
 444                                 *val_i = ((*convert == tolower('y')) || (*convert == tolower('t')) || (*convert == '1'));
 445                                 delete[] convert;
 446                         break;
 447
 448                         case DT_NOTHING:
 449                         break;
 450                 }
 451
 452                 Values[Index].validation_function(Values[Index].tag, Values[Index].value, Values[Index].val);
 453         }
 454
 455         log(DEFAULT,"Reading connect classes...");
 456         Classes.clear();
 457
 458         for (int i = 0; i < ConfValueEnum("connect",&Config->config_f); i++)
 459         {
 460                 *Value = 0;
 461                 ConfValue("connect","allow",i,Value,&Config->config_f);
 462                 ConfValue("connect","timeout",i,timeout,&Config->config_f);
 463                 ConfValue("connect","flood",i,flood,&Config->config_f);
 464                 ConfValue("connect","pingfreq",i,pfreq,&Config->config_f);
 465                 ConfValue("connect","threshold",i,thold,&Config->config_f);
 466                 ConfValue("connect","sendq",i,sqmax,&Config->config_f);
 467                 ConfValue("connect","recvq",i,rqmax,&Config->config_f);
 468                 ConfValue("connect","localmax",i,localmax,&Config->config_f);
 469                 ConfValue("connect","globalmax",i,globalmax,&Config->config_f);
 470
 471                 if (*Value)
 472                 {
 473                         c.host = Value;
 474                         c.type = CC_ALLOW;
 475                         strlcpy(Value,"",MAXBUF);
 476                         ConfValue("connect","password",i,Value,&Config->config_f);
 477                         c.pass = Value;
 478                         c.registration_timeout = 90; // default is 2 minutes
 479                         c.pingtime = 120;
 480                         c.flood = atoi(flood);
 481                         c.threshold = 5;
 482                         c.sendqmax = 262144; // 256k
 483                         c.recvqmax = 4096;   // 4k
 484                         c.maxlocal = 3;
 485                         c.maxglobal = 3;
 486
 487                         if (atoi(localmax)>0)
 488                         {
 489                                 c.maxlocal = atoi(localmax);
 490                         }
 491
 492                         if (atoi(globalmax)>0)
 493                         {
 494                                 c.maxglobal = atoi(globalmax);
 495                         }
 496
 497                         if (atoi(thold)>0)
 498                         {
 499                                 c.threshold = atoi(thold);
 500                         }
 501                         else
 502                         {
 503                                 c.threshold = 1;
 504                                 c.flood = 999;
 505                                 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());
 506                         }
 507
 508                         if (atoi(sqmax)>0)
 509                         {
 510                                 c.sendqmax = atoi(sqmax);
 511                         }
 512                         if (atoi(rqmax)>0)
 513                         {
 514                                 c.recvqmax = atoi(rqmax);
 515                         }
 516                         if (atoi(timeout)>0)
 517                         {
 518                                 c.registration_timeout = atoi(timeout);
 519                         }
 520                         if (atoi(pfreq)>0)
 521                         {
 522                                 c.pingtime = atoi(pfreq);
 523                         }
 524
 525                         Classes.push_back(c);
 526                 }
 527                 else
 528                 {
 529                         ConfValue("connect","deny",i,Value,&Config->config_f);
 530                         c.host = Value;
 531                         c.type = CC_DENY;
 532                         Classes.push_back(c);
 533                         log(DEBUG,"Read connect class type DENY, host=%s",c.host.c_str());
 534                 }
 535         }
 536
 537         Config->ulines.clear();
 538
 539         for (int i = 0; i < ConfValueEnum("uline",&Config->config_f); i++)
 540         {
 541                 ConfValue("uline","server",i,ServName,&Config->config_f);
 542                 {
 543                         log(DEBUG,"Read ULINE '%s'",ServName);
 544                         Config->ulines.push_back(ServName);
 545                 }
 546         }
 547
 548         maxbans.clear();
 549         char CM1[MAXBUF],CM2[MAXBUF];
 550
 551         for (int count = 0; count < Config->ConfValueEnum("banlist",&Config->config_f); count++)
 552         {
 553                 Config->ConfValue("banlist","chan",count,CM1,&Config->config_f);
 554                 Config->ConfValue("banlist","limit",count,CM2,&Config->config_f);
 555                 maxbans[CM1] = atoi(CM2);
 556         }
 557
 558         ReadClassesAndTypes();
 559         log(DEFAULT,"Reading K lines,Q lines and Z lines from config...");
 560         read_xline_defaults();
 561         log(DEFAULT,"Applying K lines, Q lines and Z lines...");
 562         apply_lines(APPLY_ALL);
 563
 564         ConfValue("pid","file",0,Config->PID,&Config->config_f);
 565         // write once here, to try it out and make sure its ok
 566         WritePID(Config->PID);
 567
 568         log(DEFAULT,"Done reading configuration file, InspIRCd is now starting.");
 569         if (!bail)
 570         {
 571                 log(DEFAULT,"Adding and removing modules due to rehash...");
 572
 573                 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
 574
 575                 // store the old module names
 576                 for (std::vector<std::string>::iterator t = module_names.begin(); t != module_names.end(); t++)
 577                 {
 578                         old_module_names.push_back(*t);
 579                 }
 580
 581                 // get the new module names
 582                 for (int count2 = 0; count2 < ConfValueEnum("module",&Config->config_f); count2++)
 583                 {
 584                         ConfValue("module","name",count2,Value,&Config->config_f);
 585                         new_module_names.push_back(Value);
 586                 }
 587
 588                 // now create a list of new modules that are due to be loaded
 589                 // and a seperate list of modules which are due to be unloaded
 590                 for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 591                 {
 592                         bool added = true;
 593
 594                         for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 595                         {
 596                                 if (*old == *_new)
 597                                         added = false;
 598                         }
 599
 600                         if (added)
 601                                 added_modules.push_back(*_new);
 602                 }
 603
 604                 for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 605                 {
 606                         bool removed = true;
 607                         for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 608                         {
 609                                 if (*newm == *oldm)
 610                                         removed = false;
 611                         }
 612
 613                         if (removed)
 614                                 removed_modules.push_back(*oldm);
 615                 }
 616
 617                 /*
 618                  * now we have added_modules, a vector of modules to be loaded,
 619                  * and removed_modules, a vector of modules
 620                  * to be removed.
 621                  */
 622                 int rem = 0, add = 0;
 623                 if (!removed_modules.empty())
 624                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 625                         {
 626                                 if (ServerInstance->UnloadModule(removing->c_str()))
 627                                 {
 628                                         WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 629
 630                                         if (user)
 631                                                 WriteServ(user->fd,"973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 632
 633                                         rem++;
 634                                 }
 635                                 else
 636                                 {
 637                                         if (user)
 638                                                 WriteServ(user->fd,"972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 639                                 }
 640                         }
 641
 642                 if (!added_modules.empty())
 643                 for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 644                 {
 645                         if (ServerInstance->LoadModule(adding->c_str()))
 646                         {
 647                                 WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 648
 649                                 if (user)
 650                                         WriteServ(user->fd,"975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 651
 652                                 add++;
 653                         }
 654                         else
 655                         {
 656                                 if (user)
 657                                         WriteServ(user->fd,"974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 658                         }
 659                 }
 660
 661                 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());
 662         }
 663 }
 664
 665
 666 void Exit (int status)
 667 {
 668         if (Config->log_file)
 669                 fclose(Config->log_file);
 670         send_error("Server shutdown.");
 671         exit (status);
 672 }
 673
 674 void Killed(int status)
 675 {
 676         if (Config->log_file)
 677                 fclose(Config->log_file);
 678         send_error("Server terminated.");
 679         exit(status);
 680 }
 681
 682 char* CleanFilename(char* name)
 683 {
 684         char* p = name + strlen(name);
 685         while ((p != name) && (*p != '/')) p--;
 686         return (p != name ? ++p : p);
 687 }
 688
 689
 690 void Rehash(int status)
 691 {
 692         WriteOpers("Rehashing config file %s due to SIGHUP",CleanFilename(CONFIG_FILE));
 693         fclose(Config->log_file);
 694         OpenLog(NULL,0);
 695         Config->Read(false,NULL);
 696         FOREACH_MOD(I_OnRehash,OnRehash(""));
 697 }
 698
 699
 700
 701 void Start (void)
 702 {
 703         printf("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
 704         printf("(C) ChatSpike Development team.\033[0m\n\n");
 705         printf("Developers:\033[1;32m Brain, FrostyCoolSlug, w00t, Om\033[0m\n");
 706         printf("Others:\033[1;32m See /INFO Output\033[0m\n");
 707         printf("Name concept:\033[1;32m   Lord_Zathras\033[0m\n\n");
 708 }
 709
 710 void WritePID(std::string filename)
 711 {
 712         ofstream outfile(filename.c_str());
 713         if (outfile.is_open())
 714         {
 715                 outfile << getpid();
 716                 outfile.close();
 717         }
 718         else
 719         {
 720                 printf("Failed to write PID-file '%s', exiting.\n",filename.c_str());
 721                 log(DEFAULT,"Failed to write PID-file '%s', exiting.",filename.c_str());
 722                 Exit(0);
 723         }
 724 }
 725
 726 void SetSignals()
 727 {
 728         signal (SIGALRM, SIG_IGN);
 729         signal (SIGHUP, Rehash);
 730         signal (SIGPIPE, SIG_IGN);
 731         signal (SIGTERM, Exit);
 732         signal (SIGSEGV, Error);
 733 }
 734
 735
 736 int DaemonSeed (void)
 737 {
 738         int childpid;
 739         if ((childpid = fork ()) < 0)
 740                 return (ERROR);
 741         else if (childpid > 0)
 742         {
 743                 /* We wait a few seconds here, so that the shell prompt doesnt come back over the output */
 744                 sleep(6);
 745                 exit (0);
 746         }
 747         setsid ();
 748         umask (007);
 749         printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());
 750
 751         if (Config->unlimitcore)
 752         {
 753                 rlimit rl;
 754                 if (getrlimit(RLIMIT_CORE, &rl) == -1)
 755                 {
 756                         log(DEFAULT,"Failed to getrlimit()!");
 757                         return(FALSE);
 758                 }
 759                 else
 760                 {
 761                         rl.rlim_cur = rl.rlim_max;
 762                         if (setrlimit(RLIMIT_CORE, &rl) == -1)
 763                                 log(DEFAULT,"setrlimit() failed, cannot increase coredump size.");
 764                 }
 765         }
 766
 767         return (TRUE);
 768 }
 769
 770
 771 /* Make Sure Modules Are Avaliable!
 772  * (BugFix By Craig.. See? I do work! :p)
 773  * Modified by brain, requires const char*
 774  * to work with other API functions
 775  */
 776
 777 bool FileExists (const char* file)
 778 {
 779         FILE *input;
 780         if ((input = fopen (file, "r")) == NULL)
 781         {
 782                 return(false);
 783         }
 784         else
 785         {
 786                 fclose (input);
 787                 return(true);
 788         }
 789 }
 790
 791 /* ConfProcess does the following things to a config line in the following order:
 792  *
 793  * Processes the line for syntax errors as shown below
 794  *  (1) Line void of quotes or equals (a malformed, illegal tag format)
 795  *  (2) Odd number of quotes on the line indicating a missing quote
 796  *  (3) number of equals signs not equal to number of quotes / 2 (missing an equals sign)
 797  *  (4) Spaces between the opening bracket (<) and the keyword
 798  *  (5) Spaces between a keyword and an equals sign
 799  *  (6) Spaces between an equals sign and a quote
 800  * Removes trailing spaces
 801  * Removes leading spaces
 802  * Converts tabs to spaces
 803  * Turns multiple spaces that are outside of quotes into single spaces
 804  */
 805
 806 std::string ServerConfig::ConfProcess(char* buffer, long linenumber, std::stringstream* errorstream, bool &error, std::string filename)
 807 {
 808         long number_of_quotes = 0;
 809         long number_of_equals = 0;
 810         bool has_open_bracket = false;
 811         bool in_quotes = false;
 812         error = false;
 813         if (!buffer)
 814         {
 815                 return "";
 816         }
 817         // firstly clean up the line by stripping spaces from the start and end and converting tabs to spaces
 818         for (char* d = buffer; *d; d++)
 819                 if (*d == 9)
 820                         *d = ' ';
 821         while (*buffer == ' ') buffer++;
 822         while ((buffer[strlen(buffer)-1] == ' ') && (*buffer)) buffer[strlen(buffer)-1] = '\0';
 823
 824         // empty lines are syntactically valid, as are comments
 825         if (!(*buffer) || buffer[0] == '#')
 826                 return "";
 827
 828         for (unsigned int c = 0; c < strlen(buffer); c++)
 829         {
 830                 // convert all spaces that are OUTSIDE quotes into hardspace (0xA0) as this will make them easier to
 831                 // search and replace later :)
 832                 if ((!in_quotes) && (buffer[c] == ' '))
 833                         buffer[c] = '\xA0';
 834                 if ((buffer[c] == '<') && (!in_quotes))
 835                 {
 836                         has_open_bracket = true;
 837                         if (strlen(buffer) == 1)
 838                         {
 839                                 *errorstream << "Tag without identifier at " << filename << ":" << linenumber << endl;
 840                                 error = true;
 841                                 return "";
 842                         }
 843                         else if ((tolower(buffer[c+1]) < 'a') || (tolower(buffer[c+1]) > 'z'))
 844                         {
 845                                 *errorstream << "Invalid characters in identifier at " << filename << ":" << linenumber << endl;
 846                                 error = true;
 847                                 return "";
 848                         }
 849                 }
 850                 if (buffer[c] == '"')
 851                 {
 852                         number_of_quotes++;
 853                         in_quotes = (!in_quotes);
 854                 }
 855                 if ((buffer[c] == '=') && (!in_quotes))
 856                 {
 857                         number_of_equals++;
 858                         if (strlen(buffer) == c)
 859                         {
 860                                 *errorstream << "Variable without a value at " << filename << ":" << linenumber << endl;
 861                                 error = true;
 862                                 return "";
 863                         }
 864                         else if (buffer[c+1] != '"')
 865                         {
 866                                 *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
 867                                 error = true;
 868                                 return "";
 869                         }
 870                         else if (!c)
 871                         {
 872                                 *errorstream << "Value without a variable (line starts with '=') at " << filename << ":" << linenumber << endl;
 873                                 error = true;
 874                                 return "";
 875                         }
 876                         else if (buffer[c-1] == '\xA0')
 877                         {
 878                                 *errorstream << "Variable name not followed immediately by its value at " << filename << ":" << linenumber << endl;
 879                                 error = true;
 880                                 return "";
 881                         }
 882                 }
 883         }
 884         // no quotes, and no equals. something freaky.
 885         if ((!number_of_quotes) || (!number_of_equals) && (strlen(buffer)>2) && (buffer[0]=='<'))
 886         {
 887                 *errorstream << "Malformed tag at " << filename << ":" << linenumber << endl;
 888                 error = true;
 889                 return "";
 890         }
 891         // odd number of quotes. thats just wrong.
 892         if ((number_of_quotes % 2) != 0)
 893         {
 894                 *errorstream << "Missing \" at " << filename << ":" << linenumber << endl;
 895                 error = true;
 896                 return "";
 897         }
 898         if (number_of_equals < (number_of_quotes/2))
 899         {
 900                 *errorstream << "Missing '=' at " << filename << ":" << linenumber << endl;
 901         }
 902         if (number_of_equals > (number_of_quotes/2))
 903         {
 904                 *errorstream << "Too many '=' at " << filename << ":" << linenumber << endl;
 905         }
 906
 907         std::string parsedata = buffer;
 908         // turn multispace into single space
 909         while (parsedata.find("\xA0\xA0") != std::string::npos)
 910         {
 911                 parsedata.erase(parsedata.find("\xA0\xA0"),1);
 912         }
 913
 914         // turn our hardspace back into softspace
 915         for (unsigned int d = 0; d < parsedata.length(); d++)
 916         {
 917                 if (parsedata[d] == '\xA0')
 918                         parsedata[d] = ' ';
 919         }
 920
 921         // and we're done, the line is fine!
 922         return parsedata;
 923 }
 924
 925 int ServerConfig::fgets_safe(char* buffer, size_t maxsize, FILE* &file)
 926 {
 927         char c_read = '\0';
 928         unsigned int bufptr = 0;
 929         while ((!feof(file)) && (c_read != '\n') && (c_read != '\r') && (bufptr < maxsize))
 930         {
 931                 c_read = fgetc(file);
 932                 if ((c_read != '\n') && (c_read != '\r'))
 933                         buffer[bufptr++] = c_read;
 934         }
 935         buffer[bufptr] = '\0';
 936         return bufptr;
 937 }
 938
 939 bool ServerConfig::LoadConf(const char* filename, std::stringstream *target, std::stringstream* errorstream)
 940 {
 941         target->str("");
 942         errorstream->str("");
 943         long linenumber = 1;
 944         // first, check that the file exists before we try to do anything with it
 945         if (!FileExists(filename))
 946         {
 947                 *errorstream << "File " << filename << " not found." << endl;
 948                 return false;
 949         }
 950         // Fix the chmod of the file to restrict it to the current user and group
 951         chmod(filename,0600);
 952         for (unsigned int t = 0; t < include_stack.size(); t++)
 953         {
 954                 if (std::string(filename) == include_stack[t])
 955                 {
 956                         *errorstream << "File " << filename << " is included recursively (looped inclusion)." << endl;
 957                         return false;
 958                 }
 959         }
 960         include_stack.push_back(filename);
 961         // now open it
 962         FILE* conf = fopen(filename,"r");
 963         char buffer[MAXBUF];
 964         if (conf)
 965         {
 966                 while (!feof(conf))
 967                 {
 968                         if (fgets_safe(buffer, MAXBUF, conf))
 969                         {
 970                                 if ((!feof(conf)) && (buffer) && (strlen(buffer)))
 971                                 {
 972                                         if ((buffer[0] != '#') && (buffer[0] != '\r')  && (buffer[0] != '\n'))
 973                                         {
 974                                                 if (!strncmp(buffer,"<include file=\"",15))
 975                                                 {
 976                                                         char* buf = buffer;
 977                                                         char confpath[10240],newconf[10240];
 978                                                         // include file directive
 979                                                         buf += 15;      // advance to filename
 980                                                         for (unsigned int j = 0; j < strlen(buf); j++)
 981                                                         {
 982                                                                 if (buf[j] == '\\')
 983                                                                         buf[j] = '/';
 984                                                                 if (buf[j] == '"')
 985                                                                 {
 986                                                                         buf[j] = '\0';
 987                                                                         break;
 988                                                                 }
 989                                                         }
 990                                                         log(DEBUG,"Opening included file '%s'",buf);
 991                                                         if (*buf != '/')
 992                                                         {
 993                                                                 strlcpy(confpath,CONFIG_FILE,10240);
 994                                                                 if (strstr(confpath,"/inspircd.conf"))
 995                                                                 {
 996                                                                         // leaves us with just the path
 997                                                                         *(strstr(confpath,"/inspircd.conf")) = '\0';
 998                                                                 }
 999                                                                 snprintf(newconf,10240,"%s/%s",confpath,buf);
1000                                                         }
1001                                                         else strlcpy(newconf,buf,10240);
1002                                                         std::stringstream merge(stringstream::in | stringstream::out);
1003                                                         // recursively call LoadConf and get the new data, use the same errorstream
1004                                                         if (LoadConf(newconf, &merge, errorstream))
1005                                                         {
1006                                                                 // append to the end of the file
1007                                                                 std::string newstuff = merge.str();
1008                                                                 *target << newstuff;
1009                                                         }
1010                                                         else
1011                                                         {
1012                                                                 // the error propogates up to its parent recursively
1013                                                                 // causing the config reader to bail at the top level.
1014                                                                 fclose(conf);
1015                                                                 return false;
1016                                                         }
1017                                                 }
1018                                                 else
1019                                                 {
1020                                                         bool error = false;
1021                                                         std::string data = this->ConfProcess(buffer,linenumber++,errorstream,error,filename);
1022                                                         if (error)
1023                                                         {
1024                                                                 return false;
1025                                                         }
1026                                                         *target << data;
1027                                                 }
1028                                         }
1029                                         else linenumber++;
1030                                 }
1031                         }
1032                 }
1033                 fclose(conf);
1034         }
1035         target->seekg(0);
1036         return true;
1037 }
1038
1039 /* Counts the number of tags of a certain type within the config file, e.g. to enumerate opers */
1040
1041 int ServerConfig::EnumConf(std::stringstream *config, const char* tag)
1042 {
1043         int ptr = 0;
1044         char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
1045         int in_token, in_quotes, tptr, idx = 0;
1046
1047         std::string x = config->str();
1048         const char* buf = x.c_str();
1049         long bptr = 0;
1050         long len = config->str().length();
1051
1052         ptr = 0;
1053         in_token = 0;
1054         in_quotes = 0;
1055         lastc = '\0';
1056         while (bptr<len)
1057         {
1058                 lastc = c;
1059                 c = buf[bptr++];
1060                 if ((c == '#') && (lastc == '\n'))
1061                 {
1062                         while ((c != '\n') && (bptr<len))
1063                         {
1064                                 lastc = c;
1065                                 c = buf[bptr++];
1066                         }
1067                 }
1068                 if ((c == '<') && (!in_quotes))
1069                 {
1070                         tptr = 0;
1071                         in_token = 1;
1072                         do {
1073                                 c = buf[bptr++];
1074                                 if (c != ' ')
1075                                 {
1076                                         c_tag[tptr++] = c;
1077                                         c_tag[tptr] = '\0';
1078                                 }
1079                         } while (c != ' ');
1080                 }
1081                 if (c == '"')
1082                 {
1083                         in_quotes = (!in_quotes);
1084                 }
1085                 if ((c == '>') && (!in_quotes))
1086                 {
1087                         in_token = 0;
1088                         if (!strcmp(c_tag,tag))
1089                         {
1090                                 /* correct tag, but wrong index */
1091                                 idx++;
1092                         }
1093                         c_tag[0] = '\0';
1094                         buffer[0] = '\0';
1095                         ptr = 0;
1096                         tptr = 0;
1097                 }
1098                 if (c != '>')
1099                 {
1100                         if ((in_token) && (c != '\n') && (c != '\r'))
1101                         {
1102                                 buffer[ptr++] = c;
1103                                 buffer[ptr] = '\0';
1104                         }
1105                 }
1106         }
1107         return idx;
1108 }
1109
1110 /* Counts the number of values within a certain tag */
1111
1112 int ServerConfig::EnumValues(std::stringstream *config, const char* tag, int index)
1113 {
1114         int ptr = 0;
1115         char buffer[MAXBUF], c_tag[MAXBUF], c, lastc;
1116         int in_token, in_quotes, tptr, idx = 0;
1117
1118         bool correct_tag = false;
1119         int num_items = 0;
1120
1121         const char* buf = config->str().c_str();
1122         long bptr = 0;
1123         long len = strlen(buf);
1124
1125         ptr = 0;
1126         in_token = 0;
1127         in_quotes = 0;
1128         lastc = '\0';
1129         while (bptr<len)
1130         {
1131                 lastc = c;
1132                 c = buf[bptr++];
1133                 if ((c == '#') && (lastc == '\n'))
1134                 {
1135                         while ((c != '\n') && (bptr<len))
1136                         {
1137                                 lastc = c;
1138                                 c = buf[bptr++];
1139                         }
1140                 }
1141                 if ((c == '<') && (!in_quotes))
1142                 {
1143                         tptr = 0;
1144                         in_token = 1;
1145                         do {
1146                                 c = buf[bptr++];
1147                                 if (c != ' ')
1148                                 {
1149                                         c_tag[tptr++] = c;
1150                                         c_tag[tptr] = '\0';
1151
1152                                         if ((!strcmp(c_tag,tag)) && (idx == index))
1153                                         {
1154                                                 correct_tag = true;
1155                                         }
1156                                 }
1157                         } while (c != ' ');
1158                 }
1159                 if (c == '"')
1160                 {
1161                         in_quotes = (!in_quotes);
1162                 }
1163
1164                 if ( (correct_tag) && (!in_quotes) && ( (c == ' ') || (c == '\n') || (c == '\r') ) )
1165                 {
1166                         num_items++;
1167                 }
1168                 if ((c == '>') && (!in_quotes))
1169                 {
1170                         in_token = 0;
1171                         if (correct_tag)
1172                                 correct_tag = false;
1173                         if (!strcmp(c_tag,tag))
1174                         {
1175                                 /* correct tag, but wrong index */
1176                                 idx++;
1177                         }
1178                         c_tag[0] = '\0';
1179                         buffer[0] = '\0';
1180                         ptr = 0;
1181                         tptr = 0;
1182                 }
1183                 if (c != '>')
1184                 {
1185                         if ((in_token) && (c != '\n') && (c != '\r'))
1186                         {
1187                                 buffer[ptr++] = c;
1188                                 buffer[ptr] = '\0';
1189                         }
1190                 }
1191         }
1192         return num_items+1;
1193 }
1194
1195
1196
1197 int ServerConfig::ConfValueEnum(char* tag, std::stringstream* config)
1198 {
1199         return EnumConf(config,tag);
1200 }
1201
1202
1203
1204 /* Retrieves a value from the config file. If there is more than one value of the specified
1205  * key and section (e.g. for opers etc) then the index value specifies which to retreive, e.g.
1206  *
1207  * ConfValue("oper","name",2,result);
1208  */
1209
1210 int ServerConfig::ReadConf(std::stringstream *config, const char* tag, const char* var, int index, char *result)
1211 {
1212         int ptr = 0;
1213         char buffer[65535], c_tag[MAXBUF], c, lastc;
1214         int in_token, in_quotes, tptr, idx = 0;
1215         char* key;
1216
1217         std::string x = config->str();
1218         const char* buf = x.c_str();
1219         long bptr = 0;
1220         long len = config->str().length();
1221
1222         ptr = 0;
1223         in_token = 0;
1224         in_quotes = 0;
1225         lastc = '\0';
1226         c_tag[0] = '\0';
1227         buffer[0] = '\0';
1228         while (bptr<len)
1229         {
1230                 lastc = c;
1231                 c = buf[bptr++];
1232                 // FIX: Treat tabs as spaces
1233                 if (c == 9)
1234                         c = 32;
1235                 if ((c == '<') && (!in_quotes))
1236                 {
1237                         tptr = 0;
1238                         in_token = 1;
1239                         do {
1240                                 c = buf[bptr++];
1241                                 if (c != ' ')
1242                                 {
1243                                         c_tag[tptr++] = c;
1244                                         c_tag[tptr] = '\0';
1245                                 }
1246                         // FIX: Tab can follow a tagname as well as space.
1247                         } while ((c != ' ') && (c != 9));
1248                 }
1249                 if (c == '"')
1250                 {
1251                         in_quotes = (!in_quotes);
1252                 }
1253                 if ((c == '>') && (!in_quotes))
1254                 {
1255                         in_token = 0;
1256                         if (idx == index)
1257                         {
1258                                 if (!strcmp(c_tag,tag))
1259                                 {
1260                                         if ((buffer) && (c_tag) && (var))
1261                                         {
1262                                                 key = strstr(buffer,var);
1263                                                 if (!key)
1264                                                 {
1265                                                         /* value not found in tag */
1266                                                         *result = 0;
1267                                                         return 0;
1268                                                 }
1269                                                 else
1270                                                 {
1271                                                         key+=strlen(var);
1272                                                         while (*key !='"')
1273                                                         {
1274                                                                 if (!*key)
1275                                                                 {
1276                                                                         /* missing quote */
1277                                                                         *result = 0;
1278                                                                         return 0;
1279                                                                 }
1280                                                                 key++;
1281                                                         }
1282                                                         key++;
1283                                                         for (unsigned j = 0; j < strlen(key); j++)
1284                                                         {
1285                                                                 if (key[j] == '"')
1286                                                                 {
1287                                                                         key[j] = '\0';
1288                                                                 }
1289                                                         }
1290                                                         strlcpy(result,key,MAXBUF);
1291                                                         return 1;
1292                                                 }
1293                                         }
1294                                 }
1295                         }
1296                         if (!strcmp(c_tag,tag))
1297                         {
1298                                 /* correct tag, but wrong index */
1299                                 idx++;
1300                         }
1301                         c_tag[0] = '\0';
1302                         buffer[0] = '\0';
1303                         ptr = 0;
1304                         tptr = 0;
1305                 }
1306                 if (c != '>')
1307                 {
1308                         if ((in_token) && (c != '\n') && (c != '\r'))
1309                         {
1310                                 buffer[ptr++] = c;
1311                                 buffer[ptr] = '\0';
1312                         }
1313                 }
1314         }
1315         *result = 0; // value or its tag not found at all
1316         return 0;
1317 }
1318
1319
1320
1321 int ServerConfig::ConfValue(char* tag, char* var, int index, char *result,std::stringstream *config)
1322 {
1323         ReadConf(config, tag, var, index, result);
1324         return 0;
1325 }
1326
1327
1328
1329 // This will bind a socket to a port. It works for UDP/TCP
1330 int BindSocket (int sockfd, struct sockaddr_in client, struct sockaddr_in server, int port, char* addr)
1331 {
1332         memset((char *)&server,0,sizeof(server));
1333         struct in_addr addy;
1334         inet_aton(addr,&addy);
1335         server.sin_family = AF_INET;
1336         if (!*addr)
1337         {
1338                 server.sin_addr.s_addr = htonl(INADDR_ANY);
1339         }
1340         else
1341         {
1342                 server.sin_addr = addy;
1343         }
1344         server.sin_port = htons(port);
1345         if (bind(sockfd,(struct sockaddr*)&server,sizeof(server))<0)
1346         {
1347                 return(ERROR);
1348         }
1349         else
1350         {
1351                 listen(sockfd, Config->MaxConn);
1352                 return(TRUE);
1353         }
1354 }
1355
1356
1357 // Open a TCP Socket
1358 int OpenTCPSocket (void)
1359 {
1360         int sockfd;
1361         int on = 1;
1362         struct linger linger = { 0 };
1363
1364         if ((sockfd = socket (AF_INET, SOCK_STREAM, 0)) < 0)
1365                 return (ERROR);
1366         else
1367         {
1368                 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (const char*)&on, sizeof(on));
1369                 /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
1370                 linger.l_onoff = 1;
1371                 linger.l_linger = 1;
1372                 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (const char*)&linger,sizeof(linger));
1373                 return (sockfd);
1374         }
1375 }
1376
1377 int BindPorts()
1378 {
1379         char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
1380         sockaddr_in client,server;
1381         int clientportcount = 0;
1382         int BoundPortCount = 0;
1383
1384         for (int count = 0; count < Config->ConfValueEnum("bind",&Config->config_f); count++)
1385         {
1386                 Config->ConfValue("bind","port",count,configToken,&Config->config_f);
1387                 Config->ConfValue("bind","address",count,Addr,&Config->config_f);
1388                 Config->ConfValue("bind","type",count,Type,&Config->config_f);
1389
1390                 if ((!*Type) || (!strcmp(Type,"clients")))
1391                 {
1392                         // modules handle server bind types now
1393                         Config->ports[clientportcount] = atoi(configToken);
1394
1395                         // If the client put bind "*", this is an unrealism.
1396                         // We don't actually support this as documented, but
1397                         // i got fed up of people trying it, so now it converts
1398                         // it to an empty string meaning the same 'bind to all'.
1399                         if (*Addr == '*')
1400                                 *Addr = 0;
1401
1402                         strlcpy(Config->addrs[clientportcount],Addr,256);
1403                         clientportcount++;
1404                         log(DEBUG,"InspIRCd: startup: read binding %s:%s [%s] from config",Addr,configToken, Type);
1405                 }
1406         }
1407
1408         int PortCount = clientportcount;
1409
1410         for (int count = 0; count < PortCount; count++)
1411         {
1412                 if ((openSockfd[BoundPortCount] = OpenTCPSocket()) == ERROR)
1413                 {
1414                         log(DEBUG,"InspIRCd: startup: bad fd %lu binding port [%s:%d]",(unsigned long)openSockfd[BoundPortCount],Config->addrs[count],(unsigned long)Config->ports[count]);
1415                         return(ERROR);
1416                 }
1417
1418                 if (BindSocket(openSockfd[BoundPortCount],client,server,Config->ports[count],Config->addrs[count]) == ERROR)
1419                 {
1420                         log(DEFAULT,"InspIRCd: startup: failed to bind port [%s:%lu]: %s",Config->addrs[count],(unsigned long)Config->ports[count],strerror(errno));
1421                 }
1422                 else
1423                 {
1424                         /* well we at least bound to one socket so we'll continue */
1425                         BoundPortCount++;
1426                 }
1427         }
1428
1429         /* if we didn't bind to anything then abort */
1430         if (!BoundPortCount)
1431         {
1432                 log(DEFAULT,"InspIRCd: startup: no ports bound, bailing!");
1433                 printf("\nERROR: Was not able to bind any of %lu ports! Please check your configuration.\n\n", (unsigned long)PortCount);
1434                 return (ERROR);
1435         }
1436
1437         return BoundPortCount;
1438 }
1439