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 TestOnly, bool IsStarting ));
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.
209 Read_Config(false, true);
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, 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, 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));
376 printf(" PAMIsOptional = %s\n", yesno_to_str(Conf_PAMIsOptional));
378 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
380 printf(" RequireAuthPing = %s\n", yesno_to_str(Conf_AuthPing));
382 printf(" ScrubCTCP = %s\n", yesno_to_str(Conf_ScrubCTCP));
384 printf(" SyslogFacility = %s\n",
385 ngt_SyslogFacilityName(Conf_SyslogFacility));
387 printf(" WebircPassword = %s\n", Conf_WebircPwd);
392 printf(" CertFile = %s\n", Conf_SSLOptions.CertFile
393 ? Conf_SSLOptions.CertFile : "");
394 printf(" DHFile = %s\n", Conf_SSLOptions.DHFile
395 ? Conf_SSLOptions.DHFile : "");
396 printf(" KeyFile = %s\n", Conf_SSLOptions.KeyFile
397 ? Conf_SSLOptions.KeyFile : "");
398 if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
399 puts(" KeyFilePassword = <secret>");
401 puts(" KeyFilePassword = ");
402 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
404 ports_puts(&Conf_SSLOptions.ListenPorts);
410 for( i = 0; i < MAX_SERVERS; i++ ) {
411 if( ! Conf_Server[i].name[0] ) continue;
413 /* Valid "Server" section */
415 printf( " Name = %s\n", Conf_Server[i].name );
416 printf( " Host = %s\n", Conf_Server[i].host );
417 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
419 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
421 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
422 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
423 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
424 printf( " Group = %d\n", Conf_Server[i].group );
425 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
428 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
429 predef_chan = array_start(&Conf_Channels);
431 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
432 if (!predef_chan->name[0])
435 /* Valid "Channel" section */
437 printf(" Name = %s\n", predef_chan->name);
438 printf(" Modes = %s\n", predef_chan->modes);
439 printf(" Key = %s\n", predef_chan->key);
440 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
441 printf(" Topic = %s\n", predef_chan->topic);
442 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
445 return (config_valid ? 0 : 1);
449 * Remove connection information from configured server.
451 * If the server is set as "once", delete it from our configuration;
452 * otherwise set the time for the next connection attempt.
454 * Non-server connections will be silently ignored.
457 Conf_UnsetServer( CONN_ID Idx )
462 /* Check all our configured servers */
463 for( i = 0; i < MAX_SERVERS; i++ ) {
464 if( Conf_Server[i].conn_id != Idx ) continue;
466 /* Gotcha! Mark server configuration as "unused": */
467 Conf_Server[i].conn_id = NONE;
469 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
470 /* Delete configuration here */
471 Init_Server_Struct( &Conf_Server[i] );
473 /* Set time for next connect attempt */
475 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
476 /* The connection has been "long", so we don't
477 * require the next attempt to be delayed. */
478 Conf_Server[i].lasttry =
479 t - Conf_ConnectRetry + RECONNECT_DELAY;
481 Conf_Server[i].lasttry = t;
487 * Set connection information for specified configured server.
490 Conf_SetServer( int ConfServer, CONN_ID Idx )
492 assert( ConfServer > NONE );
493 assert( Idx > NONE );
495 Conf_Server[ConfServer].conn_id = Idx;
499 * Get index of server in configuration structure.
502 Conf_GetServer( CONN_ID Idx )
506 assert( Idx > NONE );
508 for( i = 0; i < MAX_SERVERS; i++ ) {
509 if( Conf_Server[i].conn_id == Idx ) return i;
515 * Enable a server by name and adjust its port number.
517 * @returns true if a server has been enabled and now has a valid port
518 * number and host name for outgoing connections.
521 Conf_EnableServer( const char *Name, UINT16 Port )
525 assert( Name != NULL );
526 for( i = 0; i < MAX_SERVERS; i++ ) {
527 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
528 /* Gotcha! Set port and enable server: */
529 Conf_Server[i].port = Port;
530 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
531 return (Conf_Server[i].port && Conf_Server[i].host[0]);
538 * Enable a server by name.
540 * The server is only usable as outgoing server, if it has set a valid port
541 * number for outgoing connections!
542 * If not, you have to use Conf_EnableServer() function to make it available.
544 * @returns true if a server has been enabled; false otherwise.
547 Conf_EnablePassiveServer(const char *Name)
551 assert( Name != NULL );
552 for (i = 0; i < MAX_SERVERS; i++) {
553 if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
554 && (Conf_Server[i].port > 0)) {
555 /* BINGO! Enable server */
556 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
564 * Disable a server by name.
565 * An already established connection will be disconnected.
567 * @returns true if a server was found and has been disabled.
570 Conf_DisableServer( const char *Name )
574 assert( Name != NULL );
575 for( i = 0; i < MAX_SERVERS; i++ ) {
576 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
577 /* Gotcha! Disable and disconnect server: */
578 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
579 if( Conf_Server[i].conn_id > NONE )
580 Conn_Close(Conf_Server[i].conn_id, NULL,
581 "Server link terminated on operator request",
590 * Add a new remote server to our configuration.
592 * @param Name Name of the new server.
593 * @param Port Port number to connect to or 0 for incoming connections.
594 * @param Host Host name to connect to.
595 * @param MyPwd Password that will be sent to the peer.
596 * @param PeerPwd Password that must be received from the peer.
597 * @returns true if the new server has been added; false otherwise.
600 Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
601 const char *MyPwd, const char *PeerPwd)
605 assert( Name != NULL );
606 assert( Host != NULL );
607 assert( MyPwd != NULL );
608 assert( PeerPwd != NULL );
610 /* Search unused item in server configuration structure */
611 for( i = 0; i < MAX_SERVERS; i++ ) {
612 /* Is this item used? */
613 if( ! Conf_Server[i].name[0] ) break;
615 if( i >= MAX_SERVERS ) return false;
617 Init_Server_Struct( &Conf_Server[i] );
618 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
619 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
620 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
621 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
622 Conf_Server[i].port = Port;
623 Conf_Server[i].flags = CONF_SFLAG_ONCE;
629 * Check if the given nick name is an service.
631 * @returns true if the given nick name belongs to an "IRC service".
634 Conf_IsService(int ConfServer, const char *Nick)
636 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
640 * Initialize configuration settings with their default values.
643 Set_Defaults(bool InitServers)
648 strcpy(Conf_ServerName, "");
649 strcpy(Conf_ServerAdmin1, "");
650 strcpy(Conf_ServerAdmin2, "");
651 strcpy(Conf_ServerAdminMail, "");
652 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
653 PACKAGE_NAME, PACKAGE_VERSION);
654 free(Conf_ListenAddress);
655 Conf_ListenAddress = NULL;
656 array_free(&Conf_Motd);
657 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
658 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
659 strcpy(Conf_ServerPwd, "");
660 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
661 Conf_UID = Conf_GID = 0;
664 Conf_ConnectRetry = 60;
665 Conf_MaxConnections = 0;
666 Conf_MaxConnectionsIP = 5;
668 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
669 Conf_PingTimeout = 120;
670 Conf_PongTimeout = 20;
673 Conf_AllowRemoteOper = false;
675 Conf_AuthPing = false;
677 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
678 strcpy(Conf_CloakHost, "");
679 Conf_CloakUserToNick = false;
680 Conf_ConnectIPv4 = true;
682 Conf_ConnectIPv6 = true;
684 Conf_ConnectIPv6 = false;
692 Conf_MorePrivacy = false;
693 Conf_NoticeAuth = false;
694 Conf_OperCanMode = false;
695 Conf_OperServerMode = false;
701 Conf_PAMIsOptional = false;
702 Conf_PredefChannelsOnly = false;
704 Conf_ScrubCTCP = false;
706 Conf_SyslogFacility = LOG_LOCAL5;
708 Conf_SyslogFacility = 0;
712 /* Initialize server configuration structures */
714 for (i = 0; i < MAX_SERVERS;
715 Init_Server_Struct(&Conf_Server[i++]));
720 * Get number of configured listening ports.
722 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
727 size_t cnt = array_bytes(&Conf_ListenPorts);
729 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
735 * Read MOTD ("message of the day") file.
737 * @param filename Name of the file to read.
740 Read_Motd(const char *filename)
745 if (*filename == '\0')
748 fp = fopen(filename, "r");
750 Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
751 filename, strerror(errno));
755 array_free(&Conf_Motd);
756 Using_MotdFile = true;
758 while (fgets(line, (int)sizeof line, fp)) {
759 ngt_TrimLastChr( line, '\n');
761 /* add text including \0 */
762 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
763 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
771 * Read ngIRCd configuration file.
773 * Please note that this function uses exit(1) on fatal errors and therefore
774 * can result in ngIRCd terminating!
776 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
777 * @returns true when the configuration file has been read
778 * successfully; false otherwise.
781 Read_Config(bool TestOnly, bool IsStarting)
783 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
784 const UINT16 defaultport = 6667;
789 /* Open configuration file */
790 fd = fopen( NGIRCd_ConfFile, "r" );
792 /* No configuration file found! */
793 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
794 NGIRCd_ConfFile, strerror( errno ));
797 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
802 Set_Defaults(IsStarting);
805 Config_Error(LOG_INFO,
806 "Reading configuration from \"%s\" ...",
809 /* Clean up server configuration structure: mark all already
810 * configured servers as "once" so that they are deleted
811 * after the next disconnect and delete all unused servers.
812 * And delete all servers which are "duplicates" of servers
813 * that are already marked as "once" (such servers have been
814 * created by the last rehash but are now useless). */
815 for( i = 0; i < MAX_SERVERS; i++ ) {
816 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
818 /* This structure is in use ... */
819 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
820 /* Check for duplicates */
821 for( n = 0; n < MAX_SERVERS; n++ ) {
822 if( n == i ) continue;
824 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
825 Init_Server_Struct( &Conf_Server[n] );
827 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
833 /* Mark server as "once" */
834 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
835 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
840 /* Initialize variables */
842 strcpy( section, "" );
843 Init_Server_Struct( &New_Server );
844 New_Server_Idx = NONE;
848 /* Read configuration file */
850 if( ! fgets( str, LINE_LEN, fd )) break;
854 /* Skip comments and empty lines */
855 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
857 /* Is this the beginning of a new section? */
858 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
859 strlcpy( section, str, sizeof( section ));
860 if (strcasecmp(section, "[GLOBAL]") == 0
861 || strcasecmp(section, "[LIMITS]") == 0
862 || strcasecmp(section, "[OPTIONS]") == 0
864 || strcasecmp(section, "[SSL]") == 0
869 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
870 /* Check if there is already a server to add */
871 if( New_Server.name[0] ) {
872 /* Copy data to "real" server structure */
873 assert( New_Server_Idx > NONE );
874 Conf_Server[New_Server_Idx] = New_Server;
877 /* Re-init structure for new server */
878 Init_Server_Struct( &New_Server );
880 /* Search unused item in server configuration structure */
881 for( i = 0; i < MAX_SERVERS; i++ ) {
882 /* Is this item used? */
883 if( ! Conf_Server[i].name[0] ) break;
885 if( i >= MAX_SERVERS ) {
886 /* Oops, no free item found! */
887 Config_Error( LOG_ERR, "Too many servers configured." );
888 New_Server_Idx = NONE;
890 else New_Server_Idx = i;
894 if (strcasecmp(section, "[CHANNEL]") == 0) {
895 count = array_length(&Conf_Channels,
896 sizeof(struct Conf_Channel));
897 if (!array_alloc(&Conf_Channels,
898 sizeof(struct Conf_Channel),
900 Config_Error(LOG_ERR,
901 "Could not allocate memory for new operator (line %d)",
907 if (strcasecmp(section, "[OPERATOR]") == 0) {
908 count = array_length(&Conf_Opers,
909 sizeof(struct Conf_Oper));
910 if (!array_alloc(&Conf_Opers,
911 sizeof(struct Conf_Oper),
913 Config_Error(LOG_ERR,
914 "Could not allocate memory for new channel (line &d)",
920 Config_Error(LOG_ERR,
921 "%s, line %d: Unknown section \"%s\"!",
922 NGIRCd_ConfFile, line, section);
925 if( section[0] == 0x1 ) continue;
927 /* Split line into variable name and parameters */
928 ptr = strchr( str, '=' );
930 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
934 var = str; ngt_TrimStr( var );
935 arg = ptr + 1; ngt_TrimStr( arg );
937 if(strcasecmp(section, "[GLOBAL]") == 0)
938 Handle_GLOBAL(line, var, arg);
939 else if(strcasecmp(section, "[LIMITS]") == 0)
940 Handle_LIMITS(line, var, arg);
941 else if(strcasecmp(section, "[OPTIONS]") == 0)
942 Handle_OPTIONS(line, var, arg);
944 else if(strcasecmp(section, "[SSL]") == 0)
945 Handle_SSL(line, var, arg);
947 else if(strcasecmp(section, "[OPERATOR]") == 0)
948 Handle_OPERATOR(line, var, arg);
949 else if(strcasecmp(section, "[SERVER]") == 0)
950 Handle_SERVER(line, var, arg);
951 else if(strcasecmp(section, "[CHANNEL]") == 0)
952 Handle_CHANNEL(line, var, arg);
954 Config_Error(LOG_ERR,
955 "%s, line %d: Variable \"%s\" outside section!",
956 NGIRCd_ConfFile, line, var);
959 /* Close configuration file */
962 /* Check if there is still a server to add */
963 if( New_Server.name[0] ) {
964 /* Copy data to "real" server structure */
965 assert( New_Server_Idx > NONE );
966 Conf_Server[New_Server_Idx] = New_Server;
969 /* not a single listening port? Add default. */
970 if (no_listenports() &&
971 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
973 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
974 (unsigned int) defaultport, strerror(errno));
979 if (!Conf_ListenAddress)
980 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
982 if (!Conf_ListenAddress) {
983 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
987 /* No MOTD phrase configured? (re)try motd file. */
988 if (array_bytes(&Conf_Motd) == 0)
989 Read_Motd(Conf_MotdFile);
992 /* Make sure that all SSL-related files are readable */
993 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
994 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
995 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
1002 * Check whether a string argument is "true" or "false".
1004 * @param Arg Input string.
1005 * @returns true if the input string has been parsed as "yes", "true"
1006 * (case insensitive) or a non-zero integer value.
1009 Check_ArgIsTrue(const char *Arg)
1011 if (strcasecmp(Arg, "yes") == 0)
1013 if (strcasecmp(Arg, "true") == 0)
1022 * Handle setting of "MaxNickLength".
1024 * @param Line Line number in configuration file.
1025 * @raram Arg Input string.
1026 * @returns New configured maximum nick name length.
1029 Handle_MaxNickLength(int Line, const char *Arg)
1033 new = (unsigned) atoi(Arg) + 1;
1034 if (new > CLIENT_NICK_LEN) {
1035 Config_Error(LOG_WARNING,
1036 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1037 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1038 return CLIENT_NICK_LEN;
1041 Config_Error(LOG_WARNING,
1042 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1043 NGIRCd_ConfFile, Line);
1050 * Output a warning messages if IDENT is configured but not compiled in.
1053 WarnIdent(int UNUSED Line)
1057 /* user has enabled ident lookups explicitly, but ... */
1058 Config_Error(LOG_WARNING,
1059 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1060 NGIRCd_ConfFile, Line);
1066 * Output a warning messages if IPv6 is configured but not compiled in.
1069 WarnIPv6(int UNUSED Line)
1072 if (Conf_ConnectIPv6) {
1073 /* user has enabled IPv6 explicitly, but ... */
1074 Config_Error(LOG_WARNING,
1075 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1076 NGIRCd_ConfFile, Line);
1082 * Output a warning messages if PAM is configured but not compiled in.
1085 WarnPAM(int UNUSED Line)
1089 Config_Error(LOG_WARNING,
1090 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1091 NGIRCd_ConfFile, Line);
1097 * Handle legacy "NoXXX" options in [GLOBAL] section.
1099 * TODO: This function and support for "NoXXX" could be removed starting
1100 * with ngIRCd release 19 (one release after marking it "deprecated").
1102 * @param Var Variable name.
1103 * @param Arg Argument string.
1104 * @returns true if a NoXXX option has been processed; false otherwise.
1107 CheckLegacyNoOption(const char *Var, const char *Arg)
1109 if(strcasecmp(Var, "NoDNS") == 0) {
1110 Conf_DNS = !Check_ArgIsTrue( Arg );
1113 if (strcasecmp(Var, "NoIdent") == 0) {
1114 Conf_Ident = !Check_ArgIsTrue(Arg);
1117 if(strcasecmp(Var, "NoPAM") == 0) {
1118 Conf_PAM = !Check_ArgIsTrue(Arg);
1125 * Handle deprecated legacy options in [GLOBAL] section.
1127 * TODO: This function and support for these options in the [Global] section
1128 * could be removed starting with ngIRCd release 19 (one release after
1129 * marking it "deprecated").
1131 * @param Var Variable name.
1132 * @param Arg Argument string.
1133 * @returns true if a legacy option has been processed; false otherwise.
1136 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1138 if (strcasecmp(Var, "AllowRemoteOper") == 0
1139 || strcasecmp(Var, "ChrootDir") == 0
1140 || strcasecmp(Var, "ConnectIPv4") == 0
1141 || strcasecmp(Var, "ConnectIPv6") == 0
1142 || strcasecmp(Var, "OperCanUseMode") == 0
1143 || strcasecmp(Var, "OperServerMode") == 0
1144 || strcasecmp(Var, "PredefChannelsOnly") == 0
1145 || strcasecmp(Var, "SyslogFacility") == 0
1146 || strcasecmp(Var, "WebircPassword") == 0) {
1147 Handle_OPTIONS(Line, Var, Arg);
1150 if (strcasecmp(Var, "ConnectRetry") == 0
1151 || strcasecmp(Var, "MaxConnections") == 0
1152 || strcasecmp(Var, "MaxConnectionsIP") == 0
1153 || strcasecmp(Var, "MaxJoins") == 0
1154 || strcasecmp(Var, "MaxNickLength") == 0
1155 || strcasecmp(Var, "PingTimeout") == 0
1156 || strcasecmp(Var, "PongTimeout") == 0) {
1157 Handle_LIMITS(Line, Var, Arg);
1161 if (strcasecmp(Var, "SSLCertFile") == 0
1162 || strcasecmp(Var, "SSLDHFile") == 0
1163 || strcasecmp(Var, "SSLKeyFile") == 0
1164 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1165 || strcasecmp(Var, "SSLPorts") == 0) {
1166 Handle_SSL(Line, Var + 3, Arg);
1175 * Strip "no" prefix of a string.
1177 * TODO: This function and support for "NoXXX" should be removed starting
1178 * with ngIRCd release 19! (One release after marking it "deprecated").
1180 * @param str Pointer to input string starting with "no".
1181 * @returns New pointer to string without "no" prefix.
1184 NoNo(const char *str)
1186 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1191 * Invert "boolean" string.
1193 * TODO: This function and support for "NoXXX" should be removed starting
1194 * with ngIRCd release 19! (One release after marking it "deprecated").
1196 * @param arg "Boolean" input string.
1197 * @returns Pointer to inverted "boolean string".
1200 InvertArg(const char *arg)
1202 return yesno_to_str(!Check_ArgIsTrue(arg));
1206 * Handle variable in [Global] configuration section.
1208 * @param Line Line numer in configuration file.
1209 * @param Var Variable name.
1210 * @param Arg Variable argument.
1213 Handle_GLOBAL( int Line, char *Var, char *Arg )
1218 const char *section;
1221 assert(Var != NULL);
1222 assert(Arg != NULL);
1224 if (strcasecmp(Var, "Name") == 0) {
1225 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1226 if (len >= sizeof(Conf_ServerName))
1227 Config_Error_TooLong(Line, Var);
1230 if (strcasecmp(Var, "AdminInfo1") == 0) {
1231 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1232 if (len >= sizeof(Conf_ServerAdmin1))
1233 Config_Error_TooLong(Line, Var);
1236 if (strcasecmp(Var, "AdminInfo2") == 0) {
1237 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1238 if (len >= sizeof(Conf_ServerAdmin2))
1239 Config_Error_TooLong(Line, Var);
1242 if (strcasecmp(Var, "AdminEMail") == 0) {
1243 len = strlcpy(Conf_ServerAdminMail, Arg,
1244 sizeof(Conf_ServerAdminMail));
1245 if (len >= sizeof(Conf_ServerAdminMail))
1246 Config_Error_TooLong(Line, Var);
1249 if (strcasecmp(Var, "Info") == 0) {
1250 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1251 if (len >= sizeof(Conf_ServerInfo))
1252 Config_Error_TooLong(Line, Var);
1255 if (strcasecmp(Var, "Listen") == 0) {
1256 if (Conf_ListenAddress) {
1257 Config_Error(LOG_ERR,
1258 "Multiple Listen= options, ignoring: %s",
1262 Conf_ListenAddress = strdup_warn(Arg);
1263 /* If allocation fails, we're in trouble: we cannot ignore the
1264 * error -- otherwise ngircd would listen on all interfaces. */
1265 if (!Conf_ListenAddress) {
1266 Config_Error(LOG_ALERT,
1267 "%s exiting due to fatal errors!",
1273 if (strcasecmp(Var, "MotdFile") == 0) {
1274 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1275 if (len >= sizeof(Conf_MotdFile))
1276 Config_Error_TooLong(Line, Var);
1279 if (strcasecmp(Var, "MotdPhrase") == 0) {
1283 if (len >= LINE_LEN) {
1284 Config_Error_TooLong(Line, Var);
1287 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1288 Config_Error(LOG_WARNING,
1289 "%s, line %d: Could not append MotdPhrase: %s",
1290 NGIRCd_ConfFile, Line, strerror(errno));
1291 Using_MotdFile = false;
1294 if(strcasecmp(Var, "Password") == 0) {
1295 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1296 if (len >= sizeof(Conf_ServerPwd))
1297 Config_Error_TooLong(Line, Var);
1300 if (strcasecmp(Var, "PidFile") == 0) {
1301 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1302 if (len >= sizeof(Conf_PidFile))
1303 Config_Error_TooLong(Line, Var);
1306 if (strcasecmp(Var, "Ports") == 0) {
1307 ports_parse(&Conf_ListenPorts, Line, Arg);
1310 if (strcasecmp(Var, "ServerGID") == 0) {
1311 grp = getgrnam(Arg);
1313 Conf_GID = grp->gr_gid;
1315 Conf_GID = (unsigned int)atoi(Arg);
1316 if (!Conf_GID && strcmp(Arg, "0"))
1317 Config_Error(LOG_WARNING,
1318 "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
1319 NGIRCd_ConfFile, Line, Var);
1323 if (strcasecmp(Var, "ServerUID") == 0) {
1324 pwd = getpwnam(Arg);
1326 Conf_UID = pwd->pw_uid;
1328 Conf_UID = (unsigned int)atoi(Arg);
1329 if (!Conf_UID && strcmp(Arg, "0"))
1330 Config_Error(LOG_WARNING,
1331 "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
1332 NGIRCd_ConfFile, Line, Var);
1337 if (CheckLegacyNoOption(Var, Arg)) {
1338 /* TODO: This function and support for "NoXXX" could be
1339 * be removed starting with ngIRCd release 19 (one release
1340 * after marking it "deprecated"). */
1341 Config_Error(LOG_WARNING,
1342 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1343 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1344 if (strcasecmp(Var, "NoIdent") == 0)
1346 else if (strcasecmp(Var, "NoPam") == 0)
1350 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1351 /** TODO: This function and support for these options in the
1352 * [Global] section could be removed starting with ngIRCd
1353 * release 19 (one release after marking it "deprecated"). */
1354 if (strncasecmp(Var, "SSL", 3) == 0) {
1355 Config_Error(LOG_WARNING,
1356 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1357 NGIRCd_ConfFile, Line, Var, section,
1360 Config_Error(LOG_WARNING,
1361 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1362 NGIRCd_ConfFile, Line, Var, section);
1367 Config_Error_Section(Line, Var, "Global");
1371 * Handle variable in [Limits] configuration section.
1373 * @param Line Line numer in configuration file.
1374 * @param Var Variable name.
1375 * @param Arg Variable argument.
1378 Handle_LIMITS(int Line, char *Var, char *Arg)
1381 assert(Var != NULL);
1382 assert(Arg != NULL);
1384 if (strcasecmp(Var, "ConnectRetry") == 0) {
1385 Conf_ConnectRetry = atoi(Arg);
1386 if (Conf_ConnectRetry < 5) {
1387 Config_Error(LOG_WARNING,
1388 "%s, line %d: Value of \"ConnectRetry\" too low!",
1389 NGIRCd_ConfFile, Line);
1390 Conf_ConnectRetry = 5;
1394 if (strcasecmp(Var, "MaxConnections") == 0) {
1395 Conf_MaxConnections = atol(Arg);
1396 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1397 Config_Error_NaN(Line, Var);
1400 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1401 Conf_MaxConnectionsIP = atoi(Arg);
1402 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1403 Config_Error_NaN(Line, Var);
1406 if (strcasecmp(Var, "MaxJoins") == 0) {
1407 Conf_MaxJoins = atoi(Arg);
1408 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1409 Config_Error_NaN(Line, Var);
1412 if (strcasecmp(Var, "MaxNickLength") == 0) {
1413 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1416 if (strcasecmp(Var, "PingTimeout") == 0) {
1417 Conf_PingTimeout = atoi(Arg);
1418 if (Conf_PingTimeout < 5) {
1419 Config_Error(LOG_WARNING,
1420 "%s, line %d: Value of \"PingTimeout\" too low!",
1421 NGIRCd_ConfFile, Line);
1422 Conf_PingTimeout = 5;
1426 if (strcasecmp(Var, "PongTimeout") == 0) {
1427 Conf_PongTimeout = atoi(Arg);
1428 if (Conf_PongTimeout < 5) {
1429 Config_Error(LOG_WARNING,
1430 "%s, line %d: Value of \"PongTimeout\" too low!",
1431 NGIRCd_ConfFile, Line);
1432 Conf_PongTimeout = 5;
1437 Config_Error_Section(Line, Var, "Limits");
1441 * Handle variable in [Options] configuration section.
1443 * @param Line Line numer in configuration file.
1444 * @param Var Variable name.
1445 * @param Arg Variable argument.
1448 Handle_OPTIONS(int Line, char *Var, char *Arg)
1453 assert(Var != NULL);
1454 assert(Arg != NULL);
1456 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1457 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1460 if (strcasecmp(Var, "ChrootDir") == 0) {
1461 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1462 if (len >= sizeof(Conf_Chroot))
1463 Config_Error_TooLong(Line, Var);
1466 if (strcasecmp(Var, "CloakHost") == 0) {
1467 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1468 if (len >= sizeof(Conf_CloakHost))
1469 Config_Error_TooLong(Line, Var);
1472 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1473 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1476 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1477 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1481 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1482 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1485 if (strcasecmp(Var, "DNS") == 0) {
1486 Conf_DNS = Check_ArgIsTrue(Arg);
1489 if (strcasecmp(Var, "Ident") == 0) {
1490 Conf_Ident = Check_ArgIsTrue(Arg);
1494 if (strcasecmp(Var, "MorePrivacy") == 0) {
1495 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1498 if (strcasecmp(Var, "NoticeAuth") == 0) {
1499 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1502 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1503 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1506 if (strcasecmp(Var, "OperServerMode") == 0) {
1507 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1510 if (strcasecmp(Var, "PAM") == 0) {
1511 Conf_PAM = Check_ArgIsTrue(Arg);
1515 if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
1516 Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
1519 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1520 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1524 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1525 Conf_AuthPing = Check_ArgIsTrue(Arg);
1529 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1530 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1534 if (strcasecmp(Var, "SyslogFacility") == 0) {
1535 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1536 Conf_SyslogFacility);
1540 if (strcasecmp(Var, "WebircPassword") == 0) {
1541 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1542 if (len >= sizeof(Conf_WebircPwd))
1543 Config_Error_TooLong(Line, Var);
1547 Config_Error_Section(Line, Var, "Options");
1553 * Handle variable in [SSL] configuration section.
1555 * @param Line Line numer in configuration file.
1556 * @param Var Variable name.
1557 * @param Arg Variable argument.
1560 Handle_SSL(int Line, char *Var, char *Arg)
1563 assert(Var != NULL);
1564 assert(Arg != NULL);
1566 if (strcasecmp(Var, "CertFile") == 0) {
1567 assert(Conf_SSLOptions.CertFile == NULL);
1568 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1571 if (strcasecmp(Var, "DHFile") == 0) {
1572 assert(Conf_SSLOptions.DHFile == NULL);
1573 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1576 if (strcasecmp(Var, "KeyFile") == 0) {
1577 assert(Conf_SSLOptions.KeyFile == NULL);
1578 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1581 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1582 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1583 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1584 Config_Error(LOG_ERR,
1585 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1586 NGIRCd_ConfFile, Line, Var,
1590 if (strcasecmp(Var, "Ports") == 0) {
1591 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1595 Config_Error_Section(Line, Var, "SSL");
1601 * Handle variable in [Operator] configuration section.
1603 * @param Line Line numer in configuration file.
1604 * @param Var Variable name.
1605 * @param Arg Variable argument.
1608 Handle_OPERATOR( int Line, char *Var, char *Arg )
1611 struct Conf_Oper *op;
1614 assert( Var != NULL );
1615 assert( Arg != NULL );
1617 op = array_get(&Conf_Opers, sizeof(*op),
1618 array_length(&Conf_Opers, sizeof(*op)) - 1);
1622 if (strcasecmp(Var, "Name") == 0) {
1623 /* Name of IRC operator */
1624 len = strlcpy(op->name, Arg, sizeof(op->name));
1625 if (len >= sizeof(op->name))
1626 Config_Error_TooLong(Line, Var);
1629 if (strcasecmp(Var, "Password") == 0) {
1630 /* Password of IRC operator */
1631 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1632 if (len >= sizeof(op->pwd))
1633 Config_Error_TooLong(Line, Var);
1636 if (strcasecmp(Var, "Mask") == 0) {
1638 return; /* Hostname already configured */
1639 op->mask = strdup_warn( Arg );
1643 Config_Error_Section(Line, Var, "Operator");
1647 * Handle variable in [Server] configuration section.
1649 * @param Line Line numer in configuration file.
1650 * @param Var Variable name.
1651 * @param Arg Variable argument.
1654 Handle_SERVER( int Line, char *Var, char *Arg )
1660 assert( Var != NULL );
1661 assert( Arg != NULL );
1663 /* Ignore server block if no space is left in server configuration structure */
1664 if( New_Server_Idx <= NONE ) return;
1666 if( strcasecmp( Var, "Host" ) == 0 ) {
1667 /* Hostname of the server */
1668 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1669 if (len >= sizeof( New_Server.host ))
1670 Config_Error_TooLong ( Line, Var );
1673 if( strcasecmp( Var, "Name" ) == 0 ) {
1674 /* Name of the server ("Nick"/"ID") */
1675 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1676 if (len >= sizeof( New_Server.name ))
1677 Config_Error_TooLong( Line, Var );
1680 if (strcasecmp(Var, "Bind") == 0) {
1681 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1684 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1685 NGIRCd_ConfFile, Line, Arg);
1688 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1689 /* Password of this server which is sent to the peer */
1691 Config_Error(LOG_ERR,
1692 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1693 NGIRCd_ConfFile, Line);
1695 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1696 if (len >= sizeof( New_Server.pwd_in ))
1697 Config_Error_TooLong( Line, Var );
1700 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1701 /* Passwort of the peer which must be received */
1702 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1703 if (len >= sizeof( New_Server.pwd_out ))
1704 Config_Error_TooLong( Line, Var );
1707 if( strcasecmp( Var, "Port" ) == 0 ) {
1708 /* Port to which this server should connect */
1710 if (port >= 0 && port < 0xFFFF)
1711 New_Server.port = (UINT16)port;
1713 Config_Error(LOG_ERR,
1714 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1715 NGIRCd_ConfFile, Line, port );
1719 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1720 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1724 if( strcasecmp( Var, "Group" ) == 0 ) {
1726 New_Server.group = atoi( Arg );
1727 if (!New_Server.group && strcmp(Arg, "0"))
1728 Config_Error_NaN(Line, Var);
1731 if( strcasecmp( Var, "Passive" ) == 0 ) {
1732 if (Check_ArgIsTrue(Arg))
1733 New_Server.flags |= CONF_SFLAG_DISABLED;
1736 if (strcasecmp(Var, "ServiceMask") == 0) {
1737 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1738 sizeof(New_Server.svs_mask));
1739 if (len >= sizeof(New_Server.svs_mask))
1740 Config_Error_TooLong(Line, Var);
1744 Config_Error_Section(Line, Var, "Server");
1748 * Copy channel name into channel structure.
1750 * If the channel name is not valid because of a missing prefix ('#', '&'),
1751 * a default prefix of '#' will be added.
1753 * @param new_chan New already allocated channel structure.
1754 * @param name Name of the new channel.
1755 * @returns true on success, false otherwise.
1758 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1760 size_t size = sizeof(new_chan->name);
1761 char *dest = new_chan->name;
1763 if (!Channel_IsValidName(name)) {
1765 * maybe user forgot to add a '#'.
1766 * This is only here for user convenience.
1772 return size > strlcpy(dest, name, size);
1776 * Handle variable in [Channel] configuration section.
1778 * @param Line Line numer in configuration file.
1779 * @param Var Variable name.
1780 * @param Arg Variable argument.
1783 Handle_CHANNEL(int Line, char *Var, char *Arg)
1786 struct Conf_Channel *chan;
1789 assert( Var != NULL );
1790 assert( Arg != NULL );
1792 chan = array_get(&Conf_Channels, sizeof(*chan),
1793 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1797 if (strcasecmp(Var, "Name") == 0) {
1798 if (!Handle_Channelname(chan, Arg))
1799 Config_Error_TooLong(Line, Var);
1802 if (strcasecmp(Var, "Modes") == 0) {
1804 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1805 if (len >= sizeof(chan->modes))
1806 Config_Error_TooLong( Line, Var );
1809 if( strcasecmp( Var, "Topic" ) == 0 ) {
1811 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1812 if (len >= sizeof(chan->topic))
1813 Config_Error_TooLong( Line, Var );
1816 if( strcasecmp( Var, "Key" ) == 0 ) {
1817 /* Initial Channel Key (mode k) */
1818 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1819 if (len >= sizeof(chan->key))
1820 Config_Error_TooLong(Line, Var);
1823 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1824 /* maximum user limit, mode l */
1825 chan->maxusers = (unsigned long) atol(Arg);
1826 if (!chan->maxusers && strcmp(Arg, "0"))
1827 Config_Error_NaN(Line, Var);
1830 if (strcasecmp(Var, "KeyFile") == 0) {
1832 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1833 if (len >= sizeof(chan->keyfile))
1834 Config_Error_TooLong(Line, Var);
1838 Config_Error_Section(Line, Var, "Channel");
1842 * Validate server configuration.
1844 * Please note that this function uses exit(1) on fatal errors and therefore
1845 * can result in ngIRCd terminating!
1847 * @param Configtest true if the daemon has been called with "--configtest".
1848 * @param Rehash true if re-reading configuration on runtime.
1849 * @returns true if configuration is valid.
1852 Validate_Config(bool Configtest, bool Rehash)
1854 /* Validate configuration settings. */
1857 int i, servers, servers_once;
1859 bool config_valid = true;
1862 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1863 ptr = Conf_ServerName;
1865 if (*ptr >= 'a' && *ptr <= 'z') continue;
1866 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1867 if (*ptr >= '0' && *ptr <= '9') continue;
1868 if (ptr > Conf_ServerName) {
1869 if (*ptr == '.' || *ptr == '-')
1872 Conf_ServerName[0] = '\0';
1876 if (!Conf_ServerName[0]) {
1877 /* No server name configured! */
1878 config_valid = false;
1879 Config_Error(LOG_ALERT,
1880 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1882 if (!Configtest && !Rehash) {
1883 Config_Error(LOG_ALERT,
1884 "%s exiting due to fatal errors!",
1890 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1891 /* No dot in server name! */
1892 config_valid = false;
1893 Config_Error(LOG_ALERT,
1894 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1897 Config_Error(LOG_ALERT,
1898 "%s exiting due to fatal errors!",
1905 if (!Conf_ServerAdminMail[0]) {
1906 /* No administrative contact configured! */
1907 config_valid = false;
1908 Config_Error(LOG_ALERT,
1909 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1912 Config_Error(LOG_ALERT,
1913 "%s exiting due to fatal errors!",
1920 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1921 && !Conf_ServerAdminMail[0]) {
1922 /* No administrative information configured! */
1923 Config_Error(LOG_WARNING,
1924 "No administrative information configured but required by RFC!");
1928 if (Conf_ServerPwd[0])
1929 Config_Error(LOG_ERR,
1930 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
1934 servers = servers_once = 0;
1935 for (i = 0; i < MAX_SERVERS; i++) {
1936 if (Conf_Server[i].name[0]) {
1938 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1943 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
1944 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
1945 servers, servers_once,
1946 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
1949 return config_valid;
1953 * Output "line too long" warning.
1955 * @param Line Line number in configuration file.
1956 * @param Item Affected variable name.
1959 Config_Error_TooLong ( const int Line, const char *Item )
1961 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1965 * Output "unknown variable" warning.
1967 * @param Line Line number in configuration file.
1968 * @param Item Affected variable name.
1969 * @param Section Section name.
1972 Config_Error_Section(const int Line, const char *Item, const char *Section)
1974 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
1975 NGIRCd_ConfFile, Line, Section, Item);
1979 * Output "not a number" warning.
1981 * @param Line Line number in configuration file.
1982 * @param Item Affected variable name.
1985 Config_Error_NaN( const int Line, const char *Item )
1987 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
1988 NGIRCd_ConfFile, Line, Item );
1992 * Output configuration error to console and/or logfile.
1994 * On runtime, the normal log functions of the daemon are used. But when
1995 * testing the configuration ("--configtest"), all messages go directly
1998 * @param Level Severity level of the message.
1999 * @param Format Format string; see printf() function.
2002 static void Config_Error( const int Level, const char *Format, ... )
2004 static void Config_Error( Level, Format, va_alist )
2010 char msg[MAX_LOG_MSG_LEN];
2013 assert( Format != NULL );
2016 va_start( ap, Format );
2020 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2024 if (Level <= LOG_WARNING)
2025 printf(" - %s\n", msg);
2029 Log(Level, "%s", msg);
2035 * Dump internal state of the "configuration module".
2038 Conf_DebugDump(void)
2042 Log(LOG_DEBUG, "Configured servers:");
2043 for (i = 0; i < MAX_SERVERS; i++) {
2044 if (! Conf_Server[i].name[0])
2047 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2048 Conf_Server[i].name, Conf_Server[i].host,
2049 Conf_Server[i].port, Conf_Server[i].lasttry,
2050 Conf_Server[i].group, Conf_Server[i].flags,
2051 Conf_Server[i].conn_id);
2058 * Initialize server configuration structur to default values.
2060 * @param Server Pointer to server structure to initialize.
2063 Init_Server_Struct( CONF_SERVER *Server )
2065 assert( Server != NULL );
2067 memset( Server, 0, sizeof (CONF_SERVER) );
2069 Server->group = NONE;
2070 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2072 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2074 Proc_InitStruct(&Server->res_stat);
2075 Server->conn_id = NONE;
2076 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));