2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
11 * Configuration management (reading, parsing & validation)
32 #include <sys/types.h>
52 static bool Use_Log = true, Using_MotdFile = true;
53 static CONF_SERVER New_Server;
54 static int New_Server_Idx;
56 static size_t Conf_Oper_Count;
57 static size_t Conf_Channel_Count;
58 static char Conf_MotdFile[FNAME_LEN];
60 static void Set_Defaults PARAMS(( bool InitServers ));
61 static bool Read_Config PARAMS(( bool ngircd_starting ));
62 static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
64 static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
65 static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg ));
66 static void Handle_SERVER PARAMS(( int Line, char *Var, char *Arg ));
67 static void Handle_CHANNEL PARAMS(( int Line, char *Var, char *Arg ));
69 static void Config_Error PARAMS(( const int Level, const char *Format, ... ));
71 static void Config_Error_NaN PARAMS(( const int LINE, const char *Value ));
72 static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value ));
74 static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
77 #define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
79 #define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
83 struct SSLOptions Conf_SSLOptions;
88 free(Conf_SSLOptions.KeyFile);
89 Conf_SSLOptions.KeyFile = NULL;
91 free(Conf_SSLOptions.CertFile);
92 Conf_SSLOptions.CertFile = NULL;
94 free(Conf_SSLOptions.DHFile);
95 Conf_SSLOptions.DHFile = NULL;
96 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
100 ssl_print_configvar(const char *name, const char *file)
105 printf(" %s =\n", name);
109 fp = fopen(file, "r");
113 fprintf(stderr, "ERROR: %s \"%s\": %s\n",
114 name, file, strerror(errno));
116 printf(" %s = %s\n", name, file);
125 ret = ssl_print_configvar("SSLKeyFile", Conf_SSLOptions.KeyFile);
127 if (!ssl_print_configvar("SSLCertFile", Conf_SSLOptions.CertFile))
130 if (!ssl_print_configvar("SSLDHFile", Conf_SSLOptions.DHFile))
133 if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
134 puts(" SSLKeyFilePassword = <secret>");
136 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
143 strdup_warn(const char *str)
145 char *ptr = strdup(str);
147 Config_Error(LOG_ERR, "Could not allocate mem for string: %s", str);
157 len = array_length(a, sizeof(UINT16));
159 ports = (UINT16*) array_start(a);
160 printf("%u", (unsigned int) *ports);
163 printf(", %u", (unsigned int) *ports);
171 ports_parse(array *a, int Line, char *Arg)
179 /* Ports on that the server should listen. More port numbers
180 * must be separated by "," */
181 ptr = strtok( Arg, "," );
185 if (port > 0 && port < 0xFFFF) {
186 port16 = (UINT16) port;
187 if (!array_catb(a, (char*)&port16, sizeof port16))
188 Config_Error(LOG_ERR, "%s, line %d Could not add port number %ld: %s",
189 NGIRCd_ConfFile, Line, port, strerror(errno));
191 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!",
192 NGIRCd_ConfFile, Line, port );
195 ptr = strtok( NULL, "," );
204 Validate_Config(false, false);
211 if (!Read_Config(false))
213 Validate_Config(false, true);
215 /* Update CLIENT structure of local server */
216 Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
218 } /* Config_Rehash */
222 yesno_to_str(int boolean_value)
233 struct Conf_Oper *op;
236 len = array_length(&Conf_Opers, sizeof(*op));
237 op = array_start(&Conf_Opers);
242 array_free(&Conf_Opers);
248 struct Conf_Oper *op;
251 len = array_length(&Conf_Opers, sizeof(*op));
252 op = array_start(&Conf_Opers);
257 printf(" Name = %s\n", op->name);
258 printf(" Password = %s\n", op->pwd);
259 printf(" Mask = %s\n\n", op->mask ? op->mask : "");
268 /* Read configuration, validate and output it. */
274 size_t predef_channel_count;
275 struct Conf_Channel *predef_chan;
279 if (! Read_Config(true))
282 config_valid = Validate_Config(true, false);
284 /* If stdin and stdout ("you can read our nice message and we can
285 * read in your keypress") are valid tty's, wait for a key: */
286 if( isatty( fileno( stdin )) && isatty( fileno( stdout ))) {
287 puts( "OK, press enter to see a dump of your service configuration ..." );
290 puts( "Ok, dump of your server configuration follows:\n" );
294 printf(" Name = %s\n", Conf_ServerName);
295 printf(" Info = %s\n", Conf_ServerInfo);
297 printf(" Password = %s\n", Conf_ServerPwd);
299 printf(" WebircPassword = %s\n", Conf_WebircPwd);
300 printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
301 printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
302 printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
303 if (Using_MotdFile) {
304 printf(" MotdFile = %s\n", Conf_MotdFile);
305 printf(" MotdPhrase =\n");
307 printf(" MotdFile = \n");
308 printf(" MotdPhrase = %s\n", array_bytes(&Conf_Motd)
309 ? (const char*) array_start(&Conf_Motd) : "");
311 printf(" ChrootDir = %s\n", Conf_Chroot);
312 printf(" PidFile = %s\n", Conf_PidFile);
313 printf(" Listen = %s\n", Conf_ListenAddress);
314 fputs(" Ports = ", stdout);
315 ports_puts(&Conf_ListenPorts);
317 fputs(" SSLPorts = ", stdout);
318 ports_puts(&Conf_SSLOptions.ListenPorts);
320 config_valid = false;
323 pwd = getpwuid(Conf_UID);
325 printf(" ServerUID = %s\n", pwd->pw_name);
327 printf(" ServerUID = %ld\n", (long)Conf_UID);
328 grp = getgrgid(Conf_GID);
330 printf(" ServerGID = %s\n", grp->gr_name);
332 printf(" ServerGID = %ld\n", (long)Conf_GID);
334 printf(" SyslogFacility = %s\n",
335 ngt_SyslogFacilityName(Conf_SyslogFacility));
337 printf(" PingTimeout = %d\n", Conf_PingTimeout);
338 printf(" PongTimeout = %d\n", Conf_PongTimeout);
339 printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
340 printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
341 printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
342 printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
343 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
344 printf(" NoDNS = %s\n", yesno_to_str(Conf_NoDNS));
345 printf(" NoIdent = %s\n", yesno_to_str(Conf_NoIdent));
346 printf(" NoPAM = %s\n", yesno_to_str(Conf_NoPAM));
347 printf(" NoZeroConf = %s\n", yesno_to_str(Conf_NoZeroConf));
350 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
351 printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
353 printf(" MaxConnections = %ld\n", Conf_MaxConnections);
354 printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
355 printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
356 printf(" MaxNickLength = %u\n\n", Conf_MaxNickLength - 1);
360 for( i = 0; i < MAX_SERVERS; i++ ) {
361 if( ! Conf_Server[i].name[0] ) continue;
363 /* Valid "Server" section */
365 printf( " Name = %s\n", Conf_Server[i].name );
366 printf( " Host = %s\n", Conf_Server[i].host );
367 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
369 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
371 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
372 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
373 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
374 printf( " Group = %d\n", Conf_Server[i].group );
375 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
378 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
379 predef_chan = array_start(&Conf_Channels);
381 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
382 if (!predef_chan->name[0])
385 /* Valid "Channel" section */
387 printf(" Name = %s\n", predef_chan->name);
388 printf(" Modes = %s\n", predef_chan->modes);
389 printf(" Key = %s\n", predef_chan->key);
390 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
391 printf(" Topic = %s\n", predef_chan->topic);
392 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
395 return (config_valid ? 0 : 1);
400 Conf_UnsetServer( CONN_ID Idx )
402 /* Set next time for next connection attempt, if this is a server
403 * link that is (still) configured here. If the server is set as
404 * "once", delete it from our configuration.
405 * Non-Server-Connections will be silently ignored. */
410 /* Check all our configured servers */
411 for( i = 0; i < MAX_SERVERS; i++ ) {
412 if( Conf_Server[i].conn_id != Idx ) continue;
414 /* Gotcha! Mark server configuration as "unused": */
415 Conf_Server[i].conn_id = NONE;
417 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
418 /* Delete configuration here */
419 Init_Server_Struct( &Conf_Server[i] );
421 /* Set time for next connect attempt */
423 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
424 /* The connection has been "long", so we don't
425 * require the next attempt to be delayed. */
426 Conf_Server[i].lasttry =
427 t - Conf_ConnectRetry + RECONNECT_DELAY;
429 Conf_Server[i].lasttry = t;
432 } /* Conf_UnsetServer */
436 Conf_SetServer( int ConfServer, CONN_ID Idx )
438 /* Set connection for specified configured server */
440 assert( ConfServer > NONE );
441 assert( Idx > NONE );
443 Conf_Server[ConfServer].conn_id = Idx;
444 } /* Conf_SetServer */
448 Conf_GetServer( CONN_ID Idx )
450 /* Get index of server in configuration structure */
454 assert( Idx > NONE );
456 for( i = 0; i < MAX_SERVERS; i++ ) {
457 if( Conf_Server[i].conn_id == Idx ) return i;
460 } /* Conf_GetServer */
464 Conf_EnableServer( const char *Name, UINT16 Port )
466 /* Enable specified server and adjust port */
470 assert( Name != NULL );
472 for( i = 0; i < MAX_SERVERS; i++ ) {
473 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
474 /* Gotcha! Set port and enable server: */
475 Conf_Server[i].port = Port;
476 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
477 return (Conf_Server[i].port && Conf_Server[i].host[0]);
481 } /* Conf_EnableServer */
485 Conf_EnablePassiveServer(const char *Name)
487 /* Enable specified server */
490 assert( Name != NULL );
491 for (i = 0; i < MAX_SERVERS; i++) {
492 if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) {
493 /* BINGO! Enable server */
494 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
499 } /* Conf_EnablePassiveServer */
503 Conf_DisableServer( const char *Name )
505 /* Enable specified server and adjust port */
509 assert( Name != NULL );
511 for( i = 0; i < MAX_SERVERS; i++ ) {
512 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
513 /* Gotcha! Disable and disconnect server: */
514 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
515 if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", true);
520 } /* Conf_DisableServer */
524 Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const char *PeerPwd )
526 /* Add new server to configuration */
530 assert( Name != NULL );
531 assert( Host != NULL );
532 assert( MyPwd != NULL );
533 assert( PeerPwd != NULL );
535 /* Search unused item in server configuration structure */
536 for( i = 0; i < MAX_SERVERS; i++ ) {
537 /* Is this item used? */
538 if( ! Conf_Server[i].name[0] ) break;
540 if( i >= MAX_SERVERS ) return false;
542 Init_Server_Struct( &Conf_Server[i] );
543 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
544 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
545 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
546 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
547 Conf_Server[i].port = Port;
548 Conf_Server[i].flags = CONF_SFLAG_ONCE;
551 } /* Conf_AddServer */
555 * Check if the given nick name is an service
558 Conf_IsService(int ConfServer, const char *Nick)
560 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
561 } /* Conf_IsService */
565 * Initialize configuration settings with their default values.
568 Set_Defaults(bool InitServers)
572 strcpy(Conf_ServerName, "");
573 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
574 PACKAGE_NAME, PACKAGE_VERSION);
575 strcpy(Conf_ServerPwd, "");
577 strcpy(Conf_ServerAdmin1, "");
578 strcpy(Conf_ServerAdmin2, "");
579 strcpy(Conf_ServerAdminMail, "");
581 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
582 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
584 Conf_UID = Conf_GID = 0;
585 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
586 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
588 free(Conf_ListenAddress);
589 Conf_ListenAddress = NULL;
591 Conf_PingTimeout = 120;
592 Conf_PongTimeout = 20;
593 Conf_ConnectRetry = 60;
595 Conf_NoIdent = false;
597 Conf_NoZeroConf = false;
600 Conf_Channel_Count = 0;
602 Conf_OperCanMode = false;
603 Conf_OperServerMode = false;
604 Conf_AllowRemoteOper = false;
605 Conf_PredefChannelsOnly = false;
607 Conf_ConnectIPv4 = true;
608 Conf_ConnectIPv6 = true;
610 Conf_MaxConnections = 0;
611 Conf_MaxConnectionsIP = 5;
613 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
617 Conf_SyslogFacility = LOG_LOCAL5;
619 Conf_SyslogFacility = 0;
623 /* Initialize server configuration structures */
625 for (i = 0; i < MAX_SERVERS;
626 Init_Server_Struct(&Conf_Server[i++]));
634 size_t cnt = array_bytes(&Conf_ListenPorts);
636 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
642 Read_Motd(const char *filename)
647 if (*filename == '\0')
650 fp = fopen(filename, "r");
652 Log(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
653 filename, strerror(errno));
657 array_free(&Conf_Motd);
658 Using_MotdFile = true;
660 while (fgets(line, (int)sizeof line, fp)) {
661 ngt_TrimLastChr( line, '\n');
663 /* add text including \0 */
664 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
665 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
673 Read_Config( bool ngircd_starting )
675 /* Read configuration file. */
677 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
678 const UINT16 defaultport = 6667;
682 /* Open configuration file */
683 fd = fopen( NGIRCd_ConfFile, "r" );
685 /* No configuration file found! */
686 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
687 NGIRCd_ConfFile, strerror( errno ));
688 if (!ngircd_starting)
690 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
695 Set_Defaults( ngircd_starting );
697 Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
699 /* Clean up server configuration structure: mark all already
700 * configured servers as "once" so that they are deleted
701 * after the next disconnect and delete all unused servers.
702 * And delete all servers which are "duplicates" of servers
703 * that are already marked as "once" (such servers have been
704 * created by the last rehash but are now useless). */
705 for( i = 0; i < MAX_SERVERS; i++ ) {
706 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
708 /* This structure is in use ... */
709 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
710 /* Check for duplicates */
711 for( n = 0; n < MAX_SERVERS; n++ ) {
712 if( n == i ) continue;
714 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
715 Init_Server_Struct( &Conf_Server[n] );
717 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
723 /* Mark server as "once" */
724 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
725 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
730 /* Initialize variables */
732 strcpy( section, "" );
733 Init_Server_Struct( &New_Server );
734 New_Server_Idx = NONE;
738 /* Read configuration file */
740 if( ! fgets( str, LINE_LEN, fd )) break;
744 /* Skip comments and empty lines */
745 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
747 /* Is this the beginning of a new section? */
748 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
749 strlcpy( section, str, sizeof( section ));
750 if( strcasecmp( section, "[GLOBAL]" ) == 0 )
753 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
754 /* Check if there is already a server to add */
755 if( New_Server.name[0] ) {
756 /* Copy data to "real" server structure */
757 assert( New_Server_Idx > NONE );
758 Conf_Server[New_Server_Idx] = New_Server;
761 /* Re-init structure for new server */
762 Init_Server_Struct( &New_Server );
764 /* Search unused item in server configuration structure */
765 for( i = 0; i < MAX_SERVERS; i++ ) {
766 /* Is this item used? */
767 if( ! Conf_Server[i].name[0] ) break;
769 if( i >= MAX_SERVERS ) {
770 /* Oops, no free item found! */
771 Config_Error( LOG_ERR, "Too many servers configured." );
772 New_Server_Idx = NONE;
774 else New_Server_Idx = i;
777 if (strcasecmp(section, "[CHANNEL]") == 0) {
778 Conf_Channel_Count++;
781 if (strcasecmp(section, "[OPERATOR]") == 0) {
786 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
789 if( section[0] == 0x1 ) continue;
791 /* Split line into variable name and parameters */
792 ptr = strchr( str, '=' );
794 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
798 var = str; ngt_TrimStr( var );
799 arg = ptr + 1; ngt_TrimStr( arg );
801 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
802 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
803 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
804 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
805 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
808 /* Close configuration file */
811 /* Check if there is still a server to add */
812 if( New_Server.name[0] ) {
813 /* Copy data to "real" server structure */
814 assert( New_Server_Idx > NONE );
815 Conf_Server[New_Server_Idx] = New_Server;
818 /* not a single listening port? Add default. */
819 if (no_listenports() &&
820 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
822 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
823 (unsigned int) defaultport, strerror(errno));
828 if (!Conf_ListenAddress)
829 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
831 if (!Conf_ListenAddress) {
832 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
836 /* No MOTD phrase configured? (re)try motd file. */
837 if (array_bytes(&Conf_Motd) == 0)
838 Read_Motd(Conf_MotdFile);
844 Check_ArgIsTrue( const char *Arg )
846 if( strcasecmp( Arg, "yes" ) == 0 ) return true;
847 if( strcasecmp( Arg, "true" ) == 0 ) return true;
848 if( atoi( Arg ) != 0 ) return true;
851 } /* Check_ArgIsTrue */
855 Handle_MaxNickLength(int Line, const char *Arg)
859 new = (unsigned) atoi(Arg) + 1;
860 if (new > CLIENT_NICK_LEN) {
861 Config_Error(LOG_WARNING,
862 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
863 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
864 return CLIENT_NICK_LEN;
867 Config_Error(LOG_WARNING,
868 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
869 NGIRCd_ConfFile, Line);
873 } /* Handle_MaxNickLength */
878 Handle_GLOBAL( int Line, char *Var, char *Arg )
885 assert( Var != NULL );
886 assert( Arg != NULL );
888 if( strcasecmp( Var, "Name" ) == 0 ) {
890 len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName ));
891 if (len >= sizeof( Conf_ServerName ))
892 Config_Error_TooLong( Line, Var );
895 if( strcasecmp( Var, "Info" ) == 0 ) {
896 /* Info text of server */
897 len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo ));
898 if (len >= sizeof( Conf_ServerInfo ))
899 Config_Error_TooLong ( Line, Var );
902 if( strcasecmp( Var, "Password" ) == 0 ) {
903 /* Global server password */
904 len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd ));
905 if (len >= sizeof( Conf_ServerPwd ))
906 Config_Error_TooLong( Line, Var );
909 if (strcasecmp(Var, "WebircPassword") == 0) {
910 /* Password required for WEBIRC command */
911 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
912 if (len >= sizeof(Conf_WebircPwd))
913 Config_Error_TooLong(Line, Var);
916 if( strcasecmp( Var, "AdminInfo1" ) == 0 ) {
917 /* Administrative info #1 */
918 len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 ));
919 if (len >= sizeof( Conf_ServerAdmin1 ))
920 Config_Error_TooLong ( Line, Var );
923 if( strcasecmp( Var, "AdminInfo2" ) == 0 ) {
924 /* Administrative info #2 */
925 len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 ));
926 if (len >= sizeof( Conf_ServerAdmin2 ))
927 Config_Error_TooLong ( Line, Var );
930 if( strcasecmp( Var, "AdminEMail" ) == 0 ) {
931 /* Administrative email contact */
932 len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail ));
933 if (len >= sizeof( Conf_ServerAdminMail ))
934 Config_Error_TooLong( Line, Var );
938 if( strcasecmp( Var, "Ports" ) == 0 ) {
939 ports_parse(&Conf_ListenPorts, Line, Arg);
942 if( strcasecmp( Var, "MotdFile" ) == 0 ) {
943 len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile ));
944 if (len >= sizeof( Conf_MotdFile ))
945 Config_Error_TooLong( Line, Var );
949 if( strcasecmp( Var, "MotdPhrase" ) == 0 ) {
950 /* "Message of the day" phrase (instead of file) */
954 if (len >= LINE_LEN) {
955 Config_Error_TooLong( Line, Var );
958 if (!array_copyb(&Conf_Motd, Arg, len + 1))
959 Config_Error(LOG_WARNING, "%s, line %d: Could not append MotdPhrase: %s",
960 NGIRCd_ConfFile, Line, strerror(errno));
961 Using_MotdFile = false;
964 if( strcasecmp( Var, "ChrootDir" ) == 0 ) {
965 /* directory for chroot() */
966 len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot ));
967 if (len >= sizeof( Conf_Chroot ))
968 Config_Error_TooLong( Line, Var );
971 if ( strcasecmp( Var, "PidFile" ) == 0 ) {
972 /* name of pidfile */
973 len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile ));
974 if (len >= sizeof( Conf_PidFile ))
975 Config_Error_TooLong( Line, Var );
978 if( strcasecmp( Var, "ServerUID" ) == 0 ) {
979 /* UID the daemon should switch to */
980 pwd = getpwnam( Arg );
981 if( pwd ) Conf_UID = pwd->pw_uid;
984 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
987 Conf_UID = (unsigned int)atoi( Arg );
991 if( strcasecmp( Var, "ServerGID" ) == 0 ) {
992 /* GID the daemon should use */
993 grp = getgrnam( Arg );
994 if( grp ) Conf_GID = grp->gr_gid;
997 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1000 Conf_GID = (unsigned int)atoi( Arg );
1004 if( strcasecmp( Var, "PingTimeout" ) == 0 ) {
1006 Conf_PingTimeout = atoi( Arg );
1007 if( Conf_PingTimeout < 5 ) {
1008 Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!",
1009 NGIRCd_ConfFile, Line );
1010 Conf_PingTimeout = 5;
1014 if( strcasecmp( Var, "PongTimeout" ) == 0 ) {
1016 Conf_PongTimeout = atoi( Arg );
1017 if( Conf_PongTimeout < 5 ) {
1018 Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!",
1019 NGIRCd_ConfFile, Line );
1020 Conf_PongTimeout = 5;
1024 if( strcasecmp( Var, "ConnectRetry" ) == 0 ) {
1025 /* Seconds between connection attempts to other servers */
1026 Conf_ConnectRetry = atoi( Arg );
1027 if( Conf_ConnectRetry < 5 ) {
1028 Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!",
1029 NGIRCd_ConfFile, Line );
1030 Conf_ConnectRetry = 5;
1034 if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) {
1035 /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
1036 Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
1039 if( strcasecmp( Var, "NoDNS" ) == 0 ) {
1040 /* don't do reverse dns lookups when clients connect? */
1041 Conf_NoDNS = Check_ArgIsTrue( Arg );
1044 if (strcasecmp(Var, "NoIdent") == 0) {
1045 /* don't do IDENT lookups when clients connect? */
1046 Conf_NoIdent = Check_ArgIsTrue(Arg);
1048 if (!Conf_NoIdent) {
1049 /* user has enabled ident lookups explicitly, but ... */
1050 Config_Error(LOG_WARNING,
1051 "%s: line %d: NoIdent=False, but ngircd was built without IDENT support",
1052 NGIRCd_ConfFile, Line);
1057 if(strcasecmp(Var, "NoPAM") == 0) {
1058 /* don't use PAM library to authenticate users */
1059 Conf_NoPAM = Check_ArgIsTrue(Arg);
1062 if(strcasecmp(Var, "NoZeroConf") == 0) {
1063 /* don't register services using ZeroConf */
1064 Conf_NoZeroConf = Check_ArgIsTrue(Arg);
1068 /* the default setting for all the WANT_IPV6 special options is 'true' */
1069 if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) {
1070 /* connect to other hosts using ipv6, if they have an AAAA record? */
1071 Conf_ConnectIPv6 = Check_ArgIsTrue( Arg );
1074 if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) {
1075 /* connect to other hosts using ipv4.
1076 * again, this can be used for ipv6-only setups */
1077 Conf_ConnectIPv4 = Check_ArgIsTrue( Arg );
1081 if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
1082 /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
1083 Conf_OperCanMode = Check_ArgIsTrue( Arg );
1086 if( strcasecmp( Var, "OperServerMode" ) == 0 ) {
1087 /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */
1088 Conf_OperServerMode = Check_ArgIsTrue( Arg );
1091 if(strcasecmp(Var, "AllowRemoteOper") == 0) {
1092 /* Are remote IRC operators allowed to control this server? */
1093 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1096 if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
1097 /* Maximum number of connections. 0 -> "no limit". */
1099 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
1102 Conf_MaxConnections = atol( Arg );
1105 if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
1106 /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */
1108 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1111 Conf_MaxConnectionsIP = atoi( Arg );
1114 if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
1115 /* Maximum number of channels a user can join. 0 -> "no limit". */
1117 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1120 Conf_MaxJoins = atoi( Arg );
1123 if( strcasecmp( Var, "MaxNickLength" ) == 0 ) {
1124 /* Maximum length of a nick name; must be same on all servers
1125 * within the IRC network! */
1126 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1130 if( strcasecmp( Var, "Listen" ) == 0 ) {
1131 /* IP-Address to bind sockets */
1132 if (Conf_ListenAddress) {
1133 Config_Error(LOG_ERR, "Multiple Listen= options, ignoring: %s", Arg);
1136 Conf_ListenAddress = strdup_warn(Arg);
1138 * if allocation fails, we're in trouble:
1139 * we cannot ignore the error -- otherwise ngircd
1140 * would listen on all interfaces.
1142 if (!Conf_ListenAddress) {
1143 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1150 if( strcasecmp( Var, "SSLPorts" ) == 0 ) {
1151 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1155 if( strcasecmp( Var, "SSLKeyFile" ) == 0 ) {
1156 assert(Conf_SSLOptions.KeyFile == NULL );
1157 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1160 if( strcasecmp( Var, "SSLCertFile" ) == 0 ) {
1161 assert(Conf_SSLOptions.CertFile == NULL );
1162 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1166 if( strcasecmp( Var, "SSLKeyFilePassword" ) == 0 ) {
1167 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1168 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1169 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Could not copy %s: %s!",
1170 NGIRCd_ConfFile, Line, Var, strerror(errno));
1173 if( strcasecmp( Var, "SSLDHFile" ) == 0 ) {
1174 assert(Conf_SSLOptions.DHFile == NULL);
1175 Conf_SSLOptions.DHFile = strdup_warn( Arg );
1180 if (strcasecmp(Var, "SyslogFacility") == 0) {
1181 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1182 Conf_SyslogFacility);
1186 Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
1187 NGIRCd_ConfFile, Line, Var);
1188 } /* Handle_GLOBAL */
1192 Handle_OPERATOR( int Line, char *Var, char *Arg )
1195 struct Conf_Oper *op;
1198 assert( Var != NULL );
1199 assert( Arg != NULL );
1200 assert( Conf_Oper_Count > 0 );
1202 op = array_alloc(&Conf_Opers, sizeof(*op), Conf_Oper_Count - 1);
1204 Config_Error(LOG_ERR, "Could not allocate memory for operator (%d:%s = %s)", Line, Var, Arg);
1208 if (strcasecmp(Var, "Name") == 0) {
1209 /* Name of IRC operator */
1210 len = strlcpy(op->name, Arg, sizeof(op->name));
1211 if (len >= sizeof(op->name))
1212 Config_Error_TooLong(Line, Var);
1215 if (strcasecmp(Var, "Password") == 0) {
1216 /* Password of IRC operator */
1217 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1218 if (len >= sizeof(op->pwd))
1219 Config_Error_TooLong(Line, Var);
1222 if (strcasecmp(Var, "Mask") == 0) {
1224 return; /* Hostname already configured */
1225 op->mask = strdup_warn( Arg );
1228 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!",
1229 NGIRCd_ConfFile, Line, Var );
1230 } /* Handle_OPERATOR */
1234 Handle_SERVER( int Line, char *Var, char *Arg )
1240 assert( Var != NULL );
1241 assert( Arg != NULL );
1243 /* Ignore server block if no space is left in server configuration structure */
1244 if( New_Server_Idx <= NONE ) return;
1246 if( strcasecmp( Var, "Host" ) == 0 ) {
1247 /* Hostname of the server */
1248 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1249 if (len >= sizeof( New_Server.host ))
1250 Config_Error_TooLong ( Line, Var );
1253 if( strcasecmp( Var, "Name" ) == 0 ) {
1254 /* Name of the server ("Nick"/"ID") */
1255 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1256 if (len >= sizeof( New_Server.name ))
1257 Config_Error_TooLong( Line, Var );
1260 if (strcasecmp(Var, "Bind") == 0) {
1261 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1264 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1265 NGIRCd_ConfFile, Line, Arg);
1268 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1269 /* Password of this server which is sent to the peer */
1271 Config_Error(LOG_ERR,
1272 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1273 NGIRCd_ConfFile, Line);
1275 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1276 if (len >= sizeof( New_Server.pwd_in ))
1277 Config_Error_TooLong( Line, Var );
1280 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1281 /* Passwort of the peer which must be received */
1282 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1283 if (len >= sizeof( New_Server.pwd_out ))
1284 Config_Error_TooLong( Line, Var );
1287 if( strcasecmp( Var, "Port" ) == 0 ) {
1288 /* Port to which this server should connect */
1290 if( port > 0 && port < 0xFFFF )
1291 New_Server.port = (UINT16)port;
1293 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!",
1294 NGIRCd_ConfFile, Line, port );
1298 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1299 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1303 if( strcasecmp( Var, "Group" ) == 0 ) {
1306 if( ! isdigit( (int)*Arg ))
1307 Config_Error_NaN( Line, Var );
1310 New_Server.group = atoi( Arg );
1313 if( strcasecmp( Var, "Passive" ) == 0 ) {
1314 if (Check_ArgIsTrue(Arg))
1315 New_Server.flags |= CONF_SFLAG_DISABLED;
1318 if (strcasecmp(Var, "ServiceMask") == 0) {
1319 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1320 sizeof(New_Server.svs_mask));
1321 if (len >= sizeof(New_Server.svs_mask))
1322 Config_Error_TooLong(Line, Var);
1326 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
1327 NGIRCd_ConfFile, Line, Var );
1328 } /* Handle_SERVER */
1332 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1334 size_t size = sizeof(new_chan->name);
1335 char *dest = new_chan->name;
1337 if (!Channel_IsValidName(name)) {
1339 * maybe user forgot to add a '#'.
1340 * This is only here for user convenience.
1346 return size > strlcpy(dest, name, size);
1351 Handle_CHANNEL(int Line, char *Var, char *Arg)
1355 struct Conf_Channel *chan;
1358 assert( Var != NULL );
1359 assert( Arg != NULL );
1360 assert(Conf_Channel_Count > 0);
1362 chancount = Conf_Channel_Count - 1;
1364 chan = array_alloc(&Conf_Channels, sizeof(*chan), chancount);
1366 Config_Error(LOG_ERR, "Could not allocate memory for predefined channel (%d:%s = %s)", Line, Var, Arg);
1369 if (strcasecmp(Var, "Name") == 0) {
1370 if (!Handle_Channelname(chan, Arg))
1371 Config_Error_TooLong(Line, Var);
1374 if (strcasecmp(Var, "Modes") == 0) {
1376 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1377 if (len >= sizeof(chan->modes))
1378 Config_Error_TooLong( Line, Var );
1381 if( strcasecmp( Var, "Topic" ) == 0 ) {
1383 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1384 if (len >= sizeof(chan->topic))
1385 Config_Error_TooLong( Line, Var );
1388 if( strcasecmp( Var, "Key" ) == 0 ) {
1389 /* Initial Channel Key (mode k) */
1390 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1391 if (len >= sizeof(chan->key))
1392 Config_Error_TooLong(Line, Var);
1395 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1396 /* maximum user limit, mode l */
1397 chan->maxusers = (unsigned long) atol(Arg);
1398 if (chan->maxusers == 0)
1399 Config_Error_NaN(Line, Var);
1402 if (strcasecmp(Var, "KeyFile") == 0) {
1404 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1405 if (len >= sizeof(chan->keyfile))
1406 Config_Error_TooLong(Line, Var);
1410 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
1411 NGIRCd_ConfFile, Line, Var );
1412 } /* Handle_CHANNEL */
1416 Validate_Config(bool Configtest, bool Rehash)
1418 /* Validate configuration settings. */
1421 int i, servers, servers_once;
1423 bool config_valid = true;
1426 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1427 ptr = Conf_ServerName;
1429 if (*ptr >= 'a' && *ptr <= 'z') continue;
1430 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1431 if (*ptr >= '0' && *ptr <= '9') continue;
1432 if (ptr > Conf_ServerName) {
1433 if (*ptr == '.' || *ptr == '-')
1436 Conf_ServerName[0] = '\0';
1440 if (!Conf_ServerName[0]) {
1441 /* No server name configured! */
1442 config_valid = false;
1443 Config_Error(LOG_ALERT,
1444 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1446 if (!Configtest && !Rehash) {
1447 Config_Error(LOG_ALERT,
1448 "%s exiting due to fatal errors!",
1454 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1455 /* No dot in server name! */
1456 config_valid = false;
1457 Config_Error(LOG_ALERT,
1458 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1461 Config_Error(LOG_ALERT,
1462 "%s exiting due to fatal errors!",
1469 if (!Conf_ServerAdminMail[0]) {
1470 /* No administrative contact configured! */
1471 config_valid = false;
1472 Config_Error(LOG_ALERT,
1473 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1476 Config_Error(LOG_ALERT,
1477 "%s exiting due to fatal errors!",
1484 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1485 && !Conf_ServerAdminMail[0]) {
1486 /* No administrative information configured! */
1487 Config_Error(LOG_WARNING,
1488 "No administrative information configured but required by RFC!");
1492 if (Conf_ServerPwd[0])
1493 Config_Error(LOG_ERR,
1494 "This server uses PAM, \"Password\" will be ignored!");
1498 servers = servers_once = 0;
1499 for (i = 0; i < MAX_SERVERS; i++) {
1500 if (Conf_Server[i].name[0]) {
1502 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1507 "Configuration: Operators=%d, Servers=%d[%d], Channels=%d",
1508 Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
1511 return config_valid;
1512 } /* Validate_Config */
1516 Config_Error_TooLong ( const int Line, const char *Item )
1518 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1523 Config_Error_NaN( const int Line, const char *Item )
1525 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
1526 NGIRCd_ConfFile, Line, Item );
1531 static void Config_Error( const int Level, const char *Format, ... )
1533 static void Config_Error( Level, Format, va_alist )
1539 /* Error! Write to console and/or logfile. */
1541 char msg[MAX_LOG_MSG_LEN];
1544 assert( Format != NULL );
1547 va_start( ap, Format );
1551 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
1554 /* During "normal operations" the log functions of the daemon should
1555 * be used, but during testing of the configuration file, all messages
1556 * should go directly to the console: */
1557 if (Use_Log) Log( Level, "%s", msg );
1559 } /* Config_Error */
1565 Conf_DebugDump(void)
1569 Log(LOG_DEBUG, "Configured servers:");
1570 for (i = 0; i < MAX_SERVERS; i++) {
1571 if (! Conf_Server[i].name[0])
1574 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
1575 Conf_Server[i].name, Conf_Server[i].host,
1576 Conf_Server[i].port, Conf_Server[i].lasttry,
1577 Conf_Server[i].group, Conf_Server[i].flags,
1578 Conf_Server[i].conn_id);
1580 } /* Conf_DebugDump */
1586 Init_Server_Struct( CONF_SERVER *Server )
1588 /* Initialize server configuration structur to default values */
1590 assert( Server != NULL );
1592 memset( Server, 0, sizeof (CONF_SERVER) );
1594 Server->group = NONE;
1595 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
1597 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
1599 Proc_InitStruct(&Server->res_stat);
1600 Server->conn_id = NONE;
1601 memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
1602 } /* Init_Server_Struct */