2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
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.
16 * Configuration management (reading, parsing & validation)
34 #include <sys/types.h>
54 static bool Use_Log = true, Using_MotdFile = true;
55 static CONF_SERVER New_Server;
56 static int New_Server_Idx;
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_LIMITS PARAMS(( int Line, char *Var, char *Arg ));
66 static void Handle_OPTIONS PARAMS(( int Line, char *Var, char *Arg ));
67 static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg ));
68 static void Handle_SERVER PARAMS(( int Line, char *Var, char *Arg ));
69 static void Handle_CHANNEL PARAMS(( int Line, char *Var, char *Arg ));
71 static void Config_Error PARAMS(( const int Level, const char *Format, ... ));
73 static void Config_Error_NaN PARAMS(( const int LINE, const char *Value ));
74 static void Config_Error_Section PARAMS(( const int Line, const char *Item,
75 const char *Section ));
76 static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value ));
78 static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
82 #define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
84 #define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
90 static void Handle_SSL PARAMS(( int Line, char *Var, char *Ark ));
92 struct SSLOptions Conf_SSLOptions;
95 * Initialize SSL configuration.
100 free(Conf_SSLOptions.KeyFile);
101 Conf_SSLOptions.KeyFile = NULL;
103 free(Conf_SSLOptions.CertFile);
104 Conf_SSLOptions.CertFile = NULL;
106 free(Conf_SSLOptions.DHFile);
107 Conf_SSLOptions.DHFile = NULL;
108 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
112 * Make sure that a configured file is readable.
114 * Currently, this function is only used for SSL-related options ...
116 * @param Var Configuration variable
117 * @param Filename Configured filename
120 CheckFileReadable(const char *Var, const char *Filename)
127 fp = fopen(Filename, "r");
131 Config_Error(LOG_ERR, "Can't read \"%s\" (\"%s\"): %s",
132 Filename, Var, strerror(errno));
139 * Duplicate string and warn on errors.
141 * @returns Pointer to string on success, NULL otherwise.
144 strdup_warn(const char *str)
146 char *ptr = strdup(str);
148 Config_Error(LOG_ERR,
149 "Could not allocate memory for string: %s", str);
154 * Output a comma separated list of ports (integer values).
161 len = array_length(a, sizeof(UINT16));
163 ports = (UINT16*) array_start(a);
164 printf("%u", (unsigned int) *ports);
167 printf(", %u", (unsigned int) *ports);
174 * Parse a comma separated string into an array of port numbers (integers).
177 ports_parse(array *a, int Line, char *Arg)
185 ptr = strtok( Arg, "," );
189 if (port > 0 && port < 0xFFFF) {
190 port16 = (UINT16) port;
191 if (!array_catb(a, (char*)&port16, sizeof port16))
192 Config_Error(LOG_ERR, "%s, line %d Could not add port number %ld: %s",
193 NGIRCd_ConfFile, Line, port, strerror(errno));
195 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!",
196 NGIRCd_ConfFile, Line, port );
199 ptr = strtok( NULL, "," );
204 * Initialize configuration module.
210 Validate_Config(false, false);
214 * "Rehash" (reload) server configuration.
216 * @returns true if configuration has been re-read, false on errors.
221 if (!Read_Config(false))
223 Validate_Config(false, true);
225 /* Update CLIENT structure of local server */
226 Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
231 * Output a boolean value as "yes/no" string.
234 yesno_to_str(int boolean_value)
242 * Free all IRC operator configuration structures.
247 struct Conf_Oper *op;
250 len = array_length(&Conf_Opers, sizeof(*op));
251 op = array_start(&Conf_Opers);
256 array_free(&Conf_Opers);
260 * Output all IRC operator configuration structures.
265 struct Conf_Oper *op;
268 count = array_length(&Conf_Opers, sizeof(*op));
269 op = array_start(&Conf_Opers);
270 for (i = 0; i < count; i++, op++) {
275 printf(" Name = %s\n", op->name);
276 printf(" Password = %s\n", op->pwd);
277 printf(" Mask = %s\n\n", op->mask ? op->mask : "");
282 * Read configuration, validate and output it.
284 * This function waits for a keypress of the user when stdin/stdout are valid
285 * tty's ("you can read our nice message and we can read in your keypress").
287 * @return 0 on succes, 1 on failure(s); therefore the result code can
288 * directly be used by exit() when running "ngircd --configtest".
297 size_t predef_channel_count;
298 struct Conf_Channel *predef_chan;
302 if (! Read_Config(true))
305 config_valid = Validate_Config(true, false);
308 if(isatty(fileno(stdin)) && isatty(fileno(stdout))) {
309 puts("OK, press enter to see a dump of your server configuration ...");
312 puts("Ok, dump of your server configuration follows:\n");
315 printf(" Name = %s\n", Conf_ServerName);
316 printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
317 printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
318 printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
319 printf(" Info = %s\n", Conf_ServerInfo);
320 printf(" Listen = %s\n", Conf_ListenAddress);
321 if (Using_MotdFile) {
322 printf(" MotdFile = %s\n", Conf_MotdFile);
323 printf(" MotdPhrase =\n");
325 printf(" MotdFile = \n");
326 printf(" MotdPhrase = %s\n", array_bytes(&Conf_Motd)
327 ? (const char*) array_start(&Conf_Motd) : "");
330 printf(" Password = %s\n", Conf_ServerPwd);
332 printf(" PidFile = %s\n", Conf_PidFile);
334 ports_puts(&Conf_ListenPorts);
335 grp = getgrgid(Conf_GID);
337 printf(" ServerGID = %s\n", grp->gr_name);
339 printf(" ServerGID = %ld\n", (long)Conf_GID);
340 pwd = getpwuid(Conf_UID);
342 printf(" ServerUID = %s\n", pwd->pw_name);
344 printf(" ServerUID = %ld\n", (long)Conf_UID);
348 printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
349 printf(" MaxConnections = %ld\n", Conf_MaxConnections);
350 printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
351 printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
352 printf(" MaxNickLength = %u\n", Conf_MaxNickLength - 1);
353 printf(" PingTimeout = %d\n", Conf_PingTimeout);
354 printf(" PongTimeout = %d\n", Conf_PongTimeout);
358 printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
359 printf(" ChrootDir = %s\n", Conf_Chroot);
360 printf(" CloakHost = %s\n", Conf_CloakHost);
361 printf(" CloakUserToNick = %s\n", yesno_to_str(Conf_CloakUserToNick));
363 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
364 printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
366 printf(" DNS = %s\n", yesno_to_str(Conf_DNS));
368 printf(" Ident = %s\n", yesno_to_str(Conf_Ident));
370 printf(" MorePrivacy = %s\n", yesno_to_str(Conf_MorePrivacy));
371 printf(" NoticeAuth = %s\n", yesno_to_str(Conf_NoticeAuth));
372 printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
373 printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
375 printf(" PAM = %s\n", yesno_to_str(Conf_PAM));
377 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
379 printf(" RequireAuthPing = %s\n", yesno_to_str(Conf_AuthPing));
381 printf(" ScrubCTCP = %s\n", yesno_to_str(Conf_ScrubCTCP));
383 printf(" SyslogFacility = %s\n",
384 ngt_SyslogFacilityName(Conf_SyslogFacility));
386 printf(" WebircPassword = %s\n", Conf_WebircPwd);
391 printf(" CertFile = %s\n", Conf_SSLOptions.CertFile
392 ? Conf_SSLOptions.CertFile : "");
393 printf(" DHFile = %s\n", Conf_SSLOptions.DHFile
394 ? Conf_SSLOptions.DHFile : "");
395 printf(" KeyFile = %s\n", Conf_SSLOptions.KeyFile
396 ? Conf_SSLOptions.KeyFile : "");
397 if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
398 puts(" KeyFilePassword = <secret>");
400 puts(" KeyFilePassword = ");
401 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
403 ports_puts(&Conf_SSLOptions.ListenPorts);
409 for( i = 0; i < MAX_SERVERS; i++ ) {
410 if( ! Conf_Server[i].name[0] ) continue;
412 /* Valid "Server" section */
414 printf( " Name = %s\n", Conf_Server[i].name );
415 printf( " Host = %s\n", Conf_Server[i].host );
416 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
418 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
420 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
421 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
422 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
423 printf( " Group = %d\n", Conf_Server[i].group );
424 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
427 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
428 predef_chan = array_start(&Conf_Channels);
430 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
431 if (!predef_chan->name[0])
434 /* Valid "Channel" section */
436 printf(" Name = %s\n", predef_chan->name);
437 printf(" Modes = %s\n", predef_chan->modes);
438 printf(" Key = %s\n", predef_chan->key);
439 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
440 printf(" Topic = %s\n", predef_chan->topic);
441 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
444 return (config_valid ? 0 : 1);
448 * Remove connection information from configured server.
450 * If the server is set as "once", delete it from our configuration;
451 * otherwise set the time for the next connection attempt.
453 * Non-server connections will be silently ignored.
456 Conf_UnsetServer( CONN_ID Idx )
461 /* Check all our configured servers */
462 for( i = 0; i < MAX_SERVERS; i++ ) {
463 if( Conf_Server[i].conn_id != Idx ) continue;
465 /* Gotcha! Mark server configuration as "unused": */
466 Conf_Server[i].conn_id = NONE;
468 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
469 /* Delete configuration here */
470 Init_Server_Struct( &Conf_Server[i] );
472 /* Set time for next connect attempt */
474 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
475 /* The connection has been "long", so we don't
476 * require the next attempt to be delayed. */
477 Conf_Server[i].lasttry =
478 t - Conf_ConnectRetry + RECONNECT_DELAY;
480 Conf_Server[i].lasttry = t;
486 * Set connection information for specified configured server.
489 Conf_SetServer( int ConfServer, CONN_ID Idx )
491 assert( ConfServer > NONE );
492 assert( Idx > NONE );
494 Conf_Server[ConfServer].conn_id = Idx;
498 * Get index of server in configuration structure.
501 Conf_GetServer( CONN_ID Idx )
505 assert( Idx > NONE );
507 for( i = 0; i < MAX_SERVERS; i++ ) {
508 if( Conf_Server[i].conn_id == Idx ) return i;
514 * Enable a server by name and adjust its port number.
516 * @returns true if a server has been enabled and now has a valid port
517 * number and host name for outgoing connections.
520 Conf_EnableServer( const char *Name, UINT16 Port )
524 assert( Name != NULL );
525 for( i = 0; i < MAX_SERVERS; i++ ) {
526 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
527 /* Gotcha! Set port and enable server: */
528 Conf_Server[i].port = Port;
529 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
530 return (Conf_Server[i].port && Conf_Server[i].host[0]);
537 * Enable a server by name.
539 * The server is only usable as outgoing server, if it has set a valid port
540 * number for outgoing connections!
541 * If not, you have to use Conf_EnableServer() function to make it available.
543 * @returns true if a server has been enabled; false otherwise.
546 Conf_EnablePassiveServer(const char *Name)
550 assert( Name != NULL );
551 for (i = 0; i < MAX_SERVERS; i++) {
552 if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
553 && (Conf_Server[i].port > 0)) {
554 /* BINGO! Enable server */
555 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
563 * Disable a server by name.
564 * An already established connection will be disconnected.
566 * @returns true if a server was found and has been disabled.
569 Conf_DisableServer( const char *Name )
573 assert( Name != NULL );
574 for( i = 0; i < MAX_SERVERS; i++ ) {
575 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
576 /* Gotcha! Disable and disconnect server: */
577 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
578 if( Conf_Server[i].conn_id > NONE )
579 Conn_Close(Conf_Server[i].conn_id, NULL,
580 "Server link terminated on operator request",
589 * Add a new remote server to our configuration.
591 * @param Name Name of the new server.
592 * @param Port Port number to connect to or 0 for incoming connections.
593 * @param Host Host name to connect to.
594 * @param MyPwd Password that will be sent to the peer.
595 * @param PeerPwd Password that must be received from the peer.
596 * @returns true if the new server has been added; false otherwise.
599 Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
600 const char *MyPwd, const char *PeerPwd)
604 assert( Name != NULL );
605 assert( Host != NULL );
606 assert( MyPwd != NULL );
607 assert( PeerPwd != NULL );
609 /* Search unused item in server configuration structure */
610 for( i = 0; i < MAX_SERVERS; i++ ) {
611 /* Is this item used? */
612 if( ! Conf_Server[i].name[0] ) break;
614 if( i >= MAX_SERVERS ) return false;
616 Init_Server_Struct( &Conf_Server[i] );
617 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
618 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
619 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
620 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
621 Conf_Server[i].port = Port;
622 Conf_Server[i].flags = CONF_SFLAG_ONCE;
628 * Check if the given nick name is an service.
630 * @returns true if the given nick name belongs to an "IRC service".
633 Conf_IsService(int ConfServer, const char *Nick)
635 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
639 * Initialize configuration settings with their default values.
642 Set_Defaults(bool InitServers)
647 strcpy(Conf_ServerName, "");
648 strcpy(Conf_ServerAdmin1, "");
649 strcpy(Conf_ServerAdmin2, "");
650 strcpy(Conf_ServerAdminMail, "");
651 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
652 PACKAGE_NAME, PACKAGE_VERSION);
653 free(Conf_ListenAddress);
654 Conf_ListenAddress = NULL;
655 array_free(&Conf_Motd);
656 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
657 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
658 strcpy(Conf_ServerPwd, "");
659 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
660 Conf_UID = Conf_GID = 0;
663 Conf_ConnectRetry = 60;
664 Conf_MaxConnections = 0;
665 Conf_MaxConnectionsIP = 5;
667 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
668 Conf_PingTimeout = 120;
669 Conf_PongTimeout = 20;
672 Conf_AllowRemoteOper = false;
674 Conf_AuthPing = false;
676 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
677 strcpy(Conf_CloakHost, "");
678 Conf_CloakUserToNick = false;
679 Conf_ConnectIPv4 = true;
681 Conf_ConnectIPv6 = true;
683 Conf_ConnectIPv6 = false;
691 Conf_MorePrivacy = false;
692 Conf_NoticeAuth = false;
693 Conf_OperCanMode = false;
694 Conf_OperServerMode = false;
700 Conf_PredefChannelsOnly = false;
702 Conf_ScrubCTCP = false;
704 Conf_SyslogFacility = LOG_LOCAL5;
706 Conf_SyslogFacility = 0;
710 /* Initialize server configuration structures */
712 for (i = 0; i < MAX_SERVERS;
713 Init_Server_Struct(&Conf_Server[i++]));
718 * Get number of configured listening ports.
720 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
725 size_t cnt = array_bytes(&Conf_ListenPorts);
727 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
733 * Read MOTD ("message of the day") file.
735 * @param filename Name of the file to read.
738 Read_Motd(const char *filename)
743 if (*filename == '\0')
746 fp = fopen(filename, "r");
748 Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
749 filename, strerror(errno));
753 array_free(&Conf_Motd);
754 Using_MotdFile = true;
756 while (fgets(line, (int)sizeof line, fp)) {
757 ngt_TrimLastChr( line, '\n');
759 /* add text including \0 */
760 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
761 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
769 * Read ngIRCd configuration file.
771 * Please note that this function uses exit(1) on fatal errors and therefore
772 * can result in ngIRCd terminating!
774 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
775 * @returns true when the configuration file has been read
776 * successfully; false otherwise.
779 Read_Config( bool ngircd_starting )
781 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
782 const UINT16 defaultport = 6667;
787 /* Open configuration file */
788 fd = fopen( NGIRCd_ConfFile, "r" );
790 /* No configuration file found! */
791 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
792 NGIRCd_ConfFile, strerror( errno ));
793 if (!ngircd_starting)
795 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
800 Set_Defaults( ngircd_starting );
802 Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
804 /* Clean up server configuration structure: mark all already
805 * configured servers as "once" so that they are deleted
806 * after the next disconnect and delete all unused servers.
807 * And delete all servers which are "duplicates" of servers
808 * that are already marked as "once" (such servers have been
809 * created by the last rehash but are now useless). */
810 for( i = 0; i < MAX_SERVERS; i++ ) {
811 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
813 /* This structure is in use ... */
814 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
815 /* Check for duplicates */
816 for( n = 0; n < MAX_SERVERS; n++ ) {
817 if( n == i ) continue;
819 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
820 Init_Server_Struct( &Conf_Server[n] );
822 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
828 /* Mark server as "once" */
829 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
830 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
835 /* Initialize variables */
837 strcpy( section, "" );
838 Init_Server_Struct( &New_Server );
839 New_Server_Idx = NONE;
843 /* Read configuration file */
845 if( ! fgets( str, LINE_LEN, fd )) break;
849 /* Skip comments and empty lines */
850 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
852 /* Is this the beginning of a new section? */
853 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
854 strlcpy( section, str, sizeof( section ));
855 if (strcasecmp(section, "[GLOBAL]") == 0 ||
856 strcasecmp(section, "[LIMITS]") == 0 ||
857 strcasecmp(section, "[OPTIONS]") == 0 ||
858 strcasecmp(section, "[SSL]") == 0)
861 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
862 /* Check if there is already a server to add */
863 if( New_Server.name[0] ) {
864 /* Copy data to "real" server structure */
865 assert( New_Server_Idx > NONE );
866 Conf_Server[New_Server_Idx] = New_Server;
869 /* Re-init structure for new server */
870 Init_Server_Struct( &New_Server );
872 /* Search unused item in server configuration structure */
873 for( i = 0; i < MAX_SERVERS; i++ ) {
874 /* Is this item used? */
875 if( ! Conf_Server[i].name[0] ) break;
877 if( i >= MAX_SERVERS ) {
878 /* Oops, no free item found! */
879 Config_Error( LOG_ERR, "Too many servers configured." );
880 New_Server_Idx = NONE;
882 else New_Server_Idx = i;
886 if (strcasecmp(section, "[CHANNEL]") == 0) {
887 count = array_length(&Conf_Channels,
888 sizeof(struct Conf_Channel));
889 if (!array_alloc(&Conf_Channels,
890 sizeof(struct Conf_Channel),
892 Config_Error(LOG_ERR,
893 "Could not allocate memory for new operator (line %d)",
899 if (strcasecmp(section, "[OPERATOR]") == 0) {
900 count = array_length(&Conf_Opers,
901 sizeof(struct Conf_Oper));
902 if (!array_alloc(&Conf_Opers,
903 sizeof(struct Conf_Oper),
905 Config_Error(LOG_ERR,
906 "Could not allocate memory for new channel (line &d)",
912 Config_Error(LOG_ERR,
913 "%s, line %d: Unknown section \"%s\"!",
914 NGIRCd_ConfFile, line, section);
917 if( section[0] == 0x1 ) continue;
919 /* Split line into variable name and parameters */
920 ptr = strchr( str, '=' );
922 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
926 var = str; ngt_TrimStr( var );
927 arg = ptr + 1; ngt_TrimStr( arg );
929 if(strcasecmp(section, "[GLOBAL]") == 0)
930 Handle_GLOBAL(line, var, arg);
931 else if(strcasecmp(section, "[LIMITS]") == 0)
932 Handle_LIMITS(line, var, arg);
933 else if(strcasecmp(section, "[OPTIONS]") == 0)
934 Handle_OPTIONS(line, var, arg);
936 else if(strcasecmp(section, "[SSL]") == 0)
937 Handle_SSL(line, var, arg);
939 else if(strcasecmp(section, "[OPERATOR]") == 0)
940 Handle_OPERATOR(line, var, arg);
941 else if(strcasecmp(section, "[SERVER]") == 0)
942 Handle_SERVER(line, var, arg);
943 else if(strcasecmp(section, "[CHANNEL]") == 0)
944 Handle_CHANNEL(line, var, arg);
946 Config_Error(LOG_ERR,
947 "%s, line %d: Variable \"%s\" outside section!",
948 NGIRCd_ConfFile, line, var);
951 /* Close configuration file */
954 /* Check if there is still a server to add */
955 if( New_Server.name[0] ) {
956 /* Copy data to "real" server structure */
957 assert( New_Server_Idx > NONE );
958 Conf_Server[New_Server_Idx] = New_Server;
961 /* not a single listening port? Add default. */
962 if (no_listenports() &&
963 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
965 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
966 (unsigned int) defaultport, strerror(errno));
971 if (!Conf_ListenAddress)
972 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
974 if (!Conf_ListenAddress) {
975 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
979 /* No MOTD phrase configured? (re)try motd file. */
980 if (array_bytes(&Conf_Motd) == 0)
981 Read_Motd(Conf_MotdFile);
984 /* Make sure that all SSL-related files are readable */
985 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
986 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
987 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
994 * Check whether a string argument is "true" or "false".
996 * @param Arg Input string.
997 * @returns true if the input string has been parsed as "yes", "true"
998 * (case insensitive) or a non-zero integer value.
1001 Check_ArgIsTrue(const char *Arg)
1003 if (strcasecmp(Arg, "yes") == 0)
1005 if (strcasecmp(Arg, "true") == 0)
1014 * Handle setting of "MaxNickLength".
1016 * @param Line Line number in configuration file.
1017 * @raram Arg Input string.
1018 * @returns New configured maximum nick name length.
1021 Handle_MaxNickLength(int Line, const char *Arg)
1025 new = (unsigned) atoi(Arg) + 1;
1026 if (new > CLIENT_NICK_LEN) {
1027 Config_Error(LOG_WARNING,
1028 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1029 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1030 return CLIENT_NICK_LEN;
1033 Config_Error(LOG_WARNING,
1034 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1035 NGIRCd_ConfFile, Line);
1042 * Output a warning messages if IDENT is configured but not compiled in.
1045 WarnIdent(int UNUSED Line)
1049 /* user has enabled ident lookups explicitly, but ... */
1050 Config_Error(LOG_WARNING,
1051 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1052 NGIRCd_ConfFile, Line);
1058 * Output a warning messages if IPv6 is configured but not compiled in.
1061 WarnIPv6(int UNUSED Line)
1064 if (Conf_ConnectIPv6) {
1065 /* user has enabled IPv6 explicitly, but ... */
1066 Config_Error(LOG_WARNING,
1067 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1068 NGIRCd_ConfFile, Line);
1074 * Output a warning messages if PAM is configured but not compiled in.
1077 WarnPAM(int UNUSED Line)
1081 Config_Error(LOG_WARNING,
1082 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1083 NGIRCd_ConfFile, Line);
1089 * Handle legacy "NoXXX" options in [GLOBAL] section.
1091 * TODO: This function and support for "NoXXX" could be removed starting
1092 * with ngIRCd release 19 (one release after marking it "deprecated").
1094 * @param Var Variable name.
1095 * @param Arg Argument string.
1096 * @returns true if a NoXXX option has been processed; false otherwise.
1099 CheckLegacyNoOption(const char *Var, const char *Arg)
1101 if(strcasecmp(Var, "NoDNS") == 0) {
1102 Conf_DNS = !Check_ArgIsTrue( Arg );
1105 if (strcasecmp(Var, "NoIdent") == 0) {
1106 Conf_Ident = !Check_ArgIsTrue(Arg);
1109 if(strcasecmp(Var, "NoPAM") == 0) {
1110 Conf_PAM = !Check_ArgIsTrue(Arg);
1117 * Handle deprecated legacy options in [GLOBAL] section.
1119 * TODO: This function and support for these options in the [Global] section
1120 * could be removed starting with ngIRCd release 19 (one release after
1121 * marking it "deprecated").
1123 * @param Var Variable name.
1124 * @param Arg Argument string.
1125 * @returns true if a legacy option has been processed; false otherwise.
1128 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1130 if (strcasecmp(Var, "AllowRemoteOper") == 0
1131 || strcasecmp(Var, "ChrootDir") == 0
1132 || strcasecmp(Var, "ConnectIPv4") == 0
1133 || strcasecmp(Var, "ConnectIPv6") == 0
1134 || strcasecmp(Var, "OperCanUseMode") == 0
1135 || strcasecmp(Var, "OperServerMode") == 0
1136 || strcasecmp(Var, "PredefChannelsOnly") == 0
1137 || strcasecmp(Var, "SyslogFacility") == 0
1138 || strcasecmp(Var, "WebircPassword") == 0) {
1139 Handle_OPTIONS(Line, Var, Arg);
1142 if (strcasecmp(Var, "ConnectRetry") == 0
1143 || strcasecmp(Var, "MaxConnections") == 0
1144 || strcasecmp(Var, "MaxConnectionsIP") == 0
1145 || strcasecmp(Var, "MaxJoins") == 0
1146 || strcasecmp(Var, "MaxNickLength") == 0
1147 || strcasecmp(Var, "PingTimeout") == 0
1148 || strcasecmp(Var, "PongTimeout") == 0) {
1149 Handle_LIMITS(Line, Var, Arg);
1153 if (strcasecmp(Var, "SSLCertFile") == 0
1154 || strcasecmp(Var, "SSLDHFile") == 0
1155 || strcasecmp(Var, "SSLKeyFile") == 0
1156 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1157 || strcasecmp(Var, "SSLPorts") == 0) {
1158 Handle_SSL(Line, Var + 3, Arg);
1167 * Strip "no" prefix of a string.
1169 * TODO: This function and support for "NoXXX" should be removed starting
1170 * with ngIRCd release 19! (One release after marking it "deprecated").
1172 * @param str Pointer to input string starting with "no".
1173 * @returns New pointer to string without "no" prefix.
1176 NoNo(const char *str)
1178 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1183 * Invert "boolean" string.
1185 * TODO: This function and support for "NoXXX" should be removed starting
1186 * with ngIRCd release 19! (One release after marking it "deprecated").
1188 * @param arg "Boolean" input string.
1189 * @returns Pointer to inverted "boolean string".
1192 InvertArg(const char *arg)
1194 return yesno_to_str(!Check_ArgIsTrue(arg));
1198 * Handle variable in [Global] configuration section.
1200 * @param Line Line numer in configuration file.
1201 * @param Var Variable name.
1202 * @param Arg Variable argument.
1205 Handle_GLOBAL( int Line, char *Var, char *Arg )
1210 const char *section;
1213 assert(Var != NULL);
1214 assert(Arg != NULL);
1216 if (strcasecmp(Var, "Name") == 0) {
1217 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1218 if (len >= sizeof(Conf_ServerName))
1219 Config_Error_TooLong(Line, Var);
1222 if (strcasecmp(Var, "AdminInfo1") == 0) {
1223 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1224 if (len >= sizeof(Conf_ServerAdmin1))
1225 Config_Error_TooLong(Line, Var);
1228 if (strcasecmp(Var, "AdminInfo2") == 0) {
1229 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1230 if (len >= sizeof(Conf_ServerAdmin2))
1231 Config_Error_TooLong(Line, Var);
1234 if (strcasecmp(Var, "AdminEMail") == 0) {
1235 len = strlcpy(Conf_ServerAdminMail, Arg,
1236 sizeof(Conf_ServerAdminMail));
1237 if (len >= sizeof(Conf_ServerAdminMail))
1238 Config_Error_TooLong(Line, Var);
1241 if (strcasecmp(Var, "Info") == 0) {
1242 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1243 if (len >= sizeof(Conf_ServerInfo))
1244 Config_Error_TooLong(Line, Var);
1247 if (strcasecmp(Var, "Listen") == 0) {
1248 if (Conf_ListenAddress) {
1249 Config_Error(LOG_ERR,
1250 "Multiple Listen= options, ignoring: %s",
1254 Conf_ListenAddress = strdup_warn(Arg);
1255 /* If allocation fails, we're in trouble: we cannot ignore the
1256 * error -- otherwise ngircd would listen on all interfaces. */
1257 if (!Conf_ListenAddress) {
1258 Config_Error(LOG_ALERT,
1259 "%s exiting due to fatal errors!",
1265 if (strcasecmp(Var, "MotdFile") == 0) {
1266 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1267 if (len >= sizeof(Conf_MotdFile))
1268 Config_Error_TooLong(Line, Var);
1271 if (strcasecmp(Var, "MotdPhrase") == 0) {
1275 if (len >= LINE_LEN) {
1276 Config_Error_TooLong(Line, Var);
1279 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1280 Config_Error(LOG_WARNING,
1281 "%s, line %d: Could not append MotdPhrase: %s",
1282 NGIRCd_ConfFile, Line, strerror(errno));
1283 Using_MotdFile = false;
1286 if(strcasecmp(Var, "Password") == 0) {
1287 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1288 if (len >= sizeof(Conf_ServerPwd))
1289 Config_Error_TooLong(Line, Var);
1292 if (strcasecmp(Var, "PidFile") == 0) {
1293 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1294 if (len >= sizeof(Conf_PidFile))
1295 Config_Error_TooLong(Line, Var);
1298 if (strcasecmp(Var, "Ports") == 0) {
1299 ports_parse(&Conf_ListenPorts, Line, Arg);
1302 if (strcasecmp(Var, "ServerGID") == 0) {
1303 grp = getgrnam(Arg);
1305 Conf_GID = grp->gr_gid;
1307 Conf_GID = (unsigned int)atoi(Arg);
1308 if (!Conf_GID && strcmp(Arg, "0"))
1309 Config_Error_NaN(Line, Var);
1313 if (strcasecmp(Var, "ServerUID") == 0) {
1314 pwd = getpwnam(Arg);
1316 Conf_UID = pwd->pw_uid;
1318 Conf_UID = (unsigned int)atoi(Arg);
1319 if (!Conf_UID && strcmp(Arg, "0"))
1320 Config_Error_NaN(Line, Var);
1325 if (CheckLegacyNoOption(Var, Arg)) {
1326 /* TODO: This function and support for "NoXXX" could be
1327 * be removed starting with ngIRCd release 19 (one release
1328 * after marking it "deprecated"). */
1329 Config_Error(LOG_WARNING,
1330 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1331 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1332 if (strcasecmp(Var, "NoIdent") == 0)
1334 else if (strcasecmp(Var, "NoPam") == 0)
1338 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1339 /** TODO: This function and support for these options in the
1340 * [Global] section could be removed starting with ngIRCd
1341 * release 19 (one release after marking it "deprecated"). */
1342 if (strncasecmp(Var, "SSL", 3) == 0) {
1343 Config_Error(LOG_WARNING,
1344 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1345 NGIRCd_ConfFile, Line, Var, section,
1348 Config_Error(LOG_WARNING,
1349 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1350 NGIRCd_ConfFile, Line, Var, section);
1355 Config_Error_Section(Line, Var, "Global");
1359 * Handle variable in [Limits] configuration section.
1361 * @param Line Line numer in configuration file.
1362 * @param Var Variable name.
1363 * @param Arg Variable argument.
1366 Handle_LIMITS(int Line, char *Var, char *Arg)
1369 assert(Var != NULL);
1370 assert(Arg != NULL);
1372 if (strcasecmp(Var, "ConnectRetry") == 0) {
1373 Conf_ConnectRetry = atoi(Arg);
1374 if (Conf_ConnectRetry < 5) {
1375 Config_Error(LOG_WARNING,
1376 "%s, line %d: Value of \"ConnectRetry\" too low!",
1377 NGIRCd_ConfFile, Line);
1378 Conf_ConnectRetry = 5;
1382 if (strcasecmp(Var, "MaxConnections") == 0) {
1383 Conf_MaxConnections = atol(Arg);
1384 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1385 Config_Error_NaN(Line, Var);
1388 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1389 Conf_MaxConnectionsIP = atoi(Arg);
1390 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1391 Config_Error_NaN(Line, Var);
1394 if (strcasecmp(Var, "MaxJoins") == 0) {
1395 Conf_MaxJoins = atoi(Arg);
1396 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1397 Config_Error_NaN(Line, Var);
1400 if (strcasecmp(Var, "MaxNickLength") == 0) {
1401 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1404 if (strcasecmp(Var, "PingTimeout") == 0) {
1405 Conf_PingTimeout = atoi(Arg);
1406 if (Conf_PingTimeout < 5) {
1407 Config_Error(LOG_WARNING,
1408 "%s, line %d: Value of \"PingTimeout\" too low!",
1409 NGIRCd_ConfFile, Line);
1410 Conf_PingTimeout = 5;
1414 if (strcasecmp(Var, "PongTimeout") == 0) {
1415 Conf_PongTimeout = atoi(Arg);
1416 if (Conf_PongTimeout < 5) {
1417 Config_Error(LOG_WARNING,
1418 "%s, line %d: Value of \"PongTimeout\" too low!",
1419 NGIRCd_ConfFile, Line);
1420 Conf_PongTimeout = 5;
1425 Config_Error_Section(Line, Var, "Limits");
1429 * Handle variable in [Options] configuration section.
1431 * @param Line Line numer in configuration file.
1432 * @param Var Variable name.
1433 * @param Arg Variable argument.
1436 Handle_OPTIONS(int Line, char *Var, char *Arg)
1441 assert(Var != NULL);
1442 assert(Arg != NULL);
1444 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1445 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1448 if (strcasecmp(Var, "ChrootDir") == 0) {
1449 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1450 if (len >= sizeof(Conf_Chroot))
1451 Config_Error_TooLong(Line, Var);
1454 if (strcasecmp(Var, "CloakHost") == 0) {
1455 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1456 if (len >= sizeof(Conf_CloakHost))
1457 Config_Error_TooLong(Line, Var);
1460 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1461 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1464 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1465 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1469 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1470 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1473 if (strcasecmp(Var, "DNS") == 0) {
1474 Conf_DNS = Check_ArgIsTrue(Arg);
1477 if (strcasecmp(Var, "Ident") == 0) {
1478 Conf_Ident = Check_ArgIsTrue(Arg);
1482 if (strcasecmp(Var, "MorePrivacy") == 0) {
1483 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1486 if (strcasecmp(Var, "NoticeAuth") == 0) {
1487 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1490 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1491 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1494 if (strcasecmp(Var, "OperServerMode") == 0) {
1495 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1498 if (strcasecmp(Var, "PAM") == 0) {
1499 Conf_PAM = Check_ArgIsTrue(Arg);
1503 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1504 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1508 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1509 Conf_AuthPing = Check_ArgIsTrue(Arg);
1513 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1514 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1518 if (strcasecmp(Var, "SyslogFacility") == 0) {
1519 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1520 Conf_SyslogFacility);
1524 if (strcasecmp(Var, "WebircPassword") == 0) {
1525 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1526 if (len >= sizeof(Conf_WebircPwd))
1527 Config_Error_TooLong(Line, Var);
1531 Config_Error_Section(Line, Var, "Options");
1537 * Handle variable in [SSL] configuration section.
1539 * @param Line Line numer in configuration file.
1540 * @param Var Variable name.
1541 * @param Arg Variable argument.
1544 Handle_SSL(int Line, char *Var, char *Arg)
1547 assert(Var != NULL);
1548 assert(Arg != NULL);
1550 if (strcasecmp(Var, "CertFile") == 0) {
1551 assert(Conf_SSLOptions.CertFile == NULL);
1552 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1555 if (strcasecmp(Var, "DHFile") == 0) {
1556 assert(Conf_SSLOptions.DHFile == NULL);
1557 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1560 if (strcasecmp(Var, "KeyFile") == 0) {
1561 assert(Conf_SSLOptions.KeyFile == NULL);
1562 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1565 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1566 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1567 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1568 Config_Error(LOG_ERR,
1569 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1570 NGIRCd_ConfFile, Line, Var,
1574 if (strcasecmp(Var, "Ports") == 0) {
1575 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1579 Config_Error_Section(Line, Var, "SSL");
1585 * Handle variable in [Operator] configuration section.
1587 * @param Line Line numer in configuration file.
1588 * @param Var Variable name.
1589 * @param Arg Variable argument.
1592 Handle_OPERATOR( int Line, char *Var, char *Arg )
1595 struct Conf_Oper *op;
1598 assert( Var != NULL );
1599 assert( Arg != NULL );
1601 op = array_get(&Conf_Opers, sizeof(*op),
1602 array_length(&Conf_Opers, sizeof(*op)) - 1);
1606 if (strcasecmp(Var, "Name") == 0) {
1607 /* Name of IRC operator */
1608 len = strlcpy(op->name, Arg, sizeof(op->name));
1609 if (len >= sizeof(op->name))
1610 Config_Error_TooLong(Line, Var);
1613 if (strcasecmp(Var, "Password") == 0) {
1614 /* Password of IRC operator */
1615 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1616 if (len >= sizeof(op->pwd))
1617 Config_Error_TooLong(Line, Var);
1620 if (strcasecmp(Var, "Mask") == 0) {
1622 return; /* Hostname already configured */
1623 op->mask = strdup_warn( Arg );
1627 Config_Error_Section(Line, Var, "Operator");
1631 * Handle variable in [Server] configuration section.
1633 * @param Line Line numer in configuration file.
1634 * @param Var Variable name.
1635 * @param Arg Variable argument.
1638 Handle_SERVER( int Line, char *Var, char *Arg )
1644 assert( Var != NULL );
1645 assert( Arg != NULL );
1647 /* Ignore server block if no space is left in server configuration structure */
1648 if( New_Server_Idx <= NONE ) return;
1650 if( strcasecmp( Var, "Host" ) == 0 ) {
1651 /* Hostname of the server */
1652 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1653 if (len >= sizeof( New_Server.host ))
1654 Config_Error_TooLong ( Line, Var );
1657 if( strcasecmp( Var, "Name" ) == 0 ) {
1658 /* Name of the server ("Nick"/"ID") */
1659 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1660 if (len >= sizeof( New_Server.name ))
1661 Config_Error_TooLong( Line, Var );
1664 if (strcasecmp(Var, "Bind") == 0) {
1665 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1668 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1669 NGIRCd_ConfFile, Line, Arg);
1672 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1673 /* Password of this server which is sent to the peer */
1675 Config_Error(LOG_ERR,
1676 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1677 NGIRCd_ConfFile, Line);
1679 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1680 if (len >= sizeof( New_Server.pwd_in ))
1681 Config_Error_TooLong( Line, Var );
1684 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1685 /* Passwort of the peer which must be received */
1686 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1687 if (len >= sizeof( New_Server.pwd_out ))
1688 Config_Error_TooLong( Line, Var );
1691 if( strcasecmp( Var, "Port" ) == 0 ) {
1692 /* Port to which this server should connect */
1694 if (port >= 0 && port < 0xFFFF)
1695 New_Server.port = (UINT16)port;
1697 Config_Error(LOG_ERR,
1698 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1699 NGIRCd_ConfFile, Line, port );
1703 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1704 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1708 if( strcasecmp( Var, "Group" ) == 0 ) {
1710 New_Server.group = atoi( Arg );
1711 if (!New_Server.group && strcmp(Arg, "0"))
1712 Config_Error_NaN(Line, Var);
1715 if( strcasecmp( Var, "Passive" ) == 0 ) {
1716 if (Check_ArgIsTrue(Arg))
1717 New_Server.flags |= CONF_SFLAG_DISABLED;
1720 if (strcasecmp(Var, "ServiceMask") == 0) {
1721 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1722 sizeof(New_Server.svs_mask));
1723 if (len >= sizeof(New_Server.svs_mask))
1724 Config_Error_TooLong(Line, Var);
1728 Config_Error_Section(Line, Var, "Server");
1732 * Copy channel name into channel structure.
1734 * If the channel name is not valid because of a missing prefix ('#', '&'),
1735 * a default prefix of '#' will be added.
1737 * @param new_chan New already allocated channel structure.
1738 * @param name Name of the new channel.
1739 * @returns true on success, false otherwise.
1742 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1744 size_t size = sizeof(new_chan->name);
1745 char *dest = new_chan->name;
1747 if (!Channel_IsValidName(name)) {
1749 * maybe user forgot to add a '#'.
1750 * This is only here for user convenience.
1756 return size > strlcpy(dest, name, size);
1760 * Handle variable in [Channel] configuration section.
1762 * @param Line Line numer in configuration file.
1763 * @param Var Variable name.
1764 * @param Arg Variable argument.
1767 Handle_CHANNEL(int Line, char *Var, char *Arg)
1770 struct Conf_Channel *chan;
1773 assert( Var != NULL );
1774 assert( Arg != NULL );
1776 chan = array_get(&Conf_Channels, sizeof(*chan),
1777 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1781 if (strcasecmp(Var, "Name") == 0) {
1782 if (!Handle_Channelname(chan, Arg))
1783 Config_Error_TooLong(Line, Var);
1786 if (strcasecmp(Var, "Modes") == 0) {
1788 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1789 if (len >= sizeof(chan->modes))
1790 Config_Error_TooLong( Line, Var );
1793 if( strcasecmp( Var, "Topic" ) == 0 ) {
1795 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1796 if (len >= sizeof(chan->topic))
1797 Config_Error_TooLong( Line, Var );
1800 if( strcasecmp( Var, "Key" ) == 0 ) {
1801 /* Initial Channel Key (mode k) */
1802 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1803 if (len >= sizeof(chan->key))
1804 Config_Error_TooLong(Line, Var);
1807 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1808 /* maximum user limit, mode l */
1809 chan->maxusers = (unsigned long) atol(Arg);
1810 if (!chan->maxusers && strcmp(Arg, "0"))
1811 Config_Error_NaN(Line, Var);
1814 if (strcasecmp(Var, "KeyFile") == 0) {
1816 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1817 if (len >= sizeof(chan->keyfile))
1818 Config_Error_TooLong(Line, Var);
1822 Config_Error_Section(Line, Var, "Channel");
1826 * Validate server configuration.
1828 * Please note that this function uses exit(1) on fatal errors and therefore
1829 * can result in ngIRCd terminating!
1831 * @param Configtest true if the daemon has been called with "--configtest".
1832 * @param Rehash true if re-reading configuration on runtime.
1833 * @returns true if configuration is valid.
1836 Validate_Config(bool Configtest, bool Rehash)
1838 /* Validate configuration settings. */
1841 int i, servers, servers_once;
1843 bool config_valid = true;
1846 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1847 ptr = Conf_ServerName;
1849 if (*ptr >= 'a' && *ptr <= 'z') continue;
1850 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1851 if (*ptr >= '0' && *ptr <= '9') continue;
1852 if (ptr > Conf_ServerName) {
1853 if (*ptr == '.' || *ptr == '-')
1856 Conf_ServerName[0] = '\0';
1860 if (!Conf_ServerName[0]) {
1861 /* No server name configured! */
1862 config_valid = false;
1863 Config_Error(LOG_ALERT,
1864 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1866 if (!Configtest && !Rehash) {
1867 Config_Error(LOG_ALERT,
1868 "%s exiting due to fatal errors!",
1874 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1875 /* No dot in server name! */
1876 config_valid = false;
1877 Config_Error(LOG_ALERT,
1878 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1881 Config_Error(LOG_ALERT,
1882 "%s exiting due to fatal errors!",
1889 if (!Conf_ServerAdminMail[0]) {
1890 /* No administrative contact configured! */
1891 config_valid = false;
1892 Config_Error(LOG_ALERT,
1893 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1896 Config_Error(LOG_ALERT,
1897 "%s exiting due to fatal errors!",
1904 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1905 && !Conf_ServerAdminMail[0]) {
1906 /* No administrative information configured! */
1907 Config_Error(LOG_WARNING,
1908 "No administrative information configured but required by RFC!");
1912 if (Conf_ServerPwd[0])
1913 Config_Error(LOG_ERR,
1914 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
1918 servers = servers_once = 0;
1919 for (i = 0; i < MAX_SERVERS; i++) {
1920 if (Conf_Server[i].name[0]) {
1922 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1927 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
1928 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
1929 servers, servers_once,
1930 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
1933 return config_valid;
1937 * Output "line too long" warning.
1939 * @param Line Line number in configuration file.
1940 * @param Item Affected variable name.
1943 Config_Error_TooLong ( const int Line, const char *Item )
1945 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1949 * Output "unknown variable" warning.
1951 * @param Line Line number in configuration file.
1952 * @param Item Affected variable name.
1953 * @param Section Section name.
1956 Config_Error_Section(const int Line, const char *Item, const char *Section)
1958 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
1959 NGIRCd_ConfFile, Line, Section, Item);
1963 * Output "not a number" warning.
1965 * @param Line Line number in configuration file.
1966 * @param Item Affected variable name.
1969 Config_Error_NaN( const int Line, const char *Item )
1971 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
1972 NGIRCd_ConfFile, Line, Item );
1976 * Output configuration error to console and/or logfile.
1978 * On runtime, the normal log functions of the daemon are used. But when
1979 * testing the configuration ("--configtest"), all messages go directly
1982 * @param Level Severity level of the message.
1983 * @param Format Format string; see printf() function.
1986 static void Config_Error( const int Level, const char *Format, ... )
1988 static void Config_Error( Level, Format, va_alist )
1994 char msg[MAX_LOG_MSG_LEN];
1997 assert( Format != NULL );
2000 va_start( ap, Format );
2004 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2008 if (Level <= LOG_WARNING)
2009 printf(" - %s\n", msg);
2013 Log(Level, "%s", msg);
2019 * Dump internal state of the "configuration module".
2022 Conf_DebugDump(void)
2026 Log(LOG_DEBUG, "Configured servers:");
2027 for (i = 0; i < MAX_SERVERS; i++) {
2028 if (! Conf_Server[i].name[0])
2031 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2032 Conf_Server[i].name, Conf_Server[i].host,
2033 Conf_Server[i].port, Conf_Server[i].lasttry,
2034 Conf_Server[i].group, Conf_Server[i].flags,
2035 Conf_Server[i].conn_id);
2042 * Initialize server configuration structur to default values.
2044 * @param Server Pointer to server structure to initialize.
2047 Init_Server_Struct( CONF_SERVER *Server )
2049 assert( Server != NULL );
2051 memset( Server, 0, sizeof (CONF_SERVER) );
2053 Server->group = NONE;
2054 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2056 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2058 Proc_InitStruct(&Server->res_stat);
2059 Server->conn_id = NONE;
2060 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));