2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2012 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(" CloakHostModeX = %s\n", Conf_CloakHostModeX);
362 printf(" CloakHostSalt = %s\n", Conf_CloakHostSalt);
363 printf(" CloakUserToNick = %s\n", yesno_to_str(Conf_CloakUserToNick));
365 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
366 printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
368 printf(" DNS = %s\n", yesno_to_str(Conf_DNS));
370 printf(" Ident = %s\n", yesno_to_str(Conf_Ident));
372 printf(" MorePrivacy = %s\n", yesno_to_str(Conf_MorePrivacy));
373 printf(" NoticeAuth = %s\n", yesno_to_str(Conf_NoticeAuth));
374 printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
375 printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
377 printf(" PAM = %s\n", yesno_to_str(Conf_PAM));
378 printf(" PAMIsOptional = %s\n", yesno_to_str(Conf_PAMIsOptional));
380 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
382 printf(" RequireAuthPing = %s\n", yesno_to_str(Conf_AuthPing));
384 printf(" ScrubCTCP = %s\n", yesno_to_str(Conf_ScrubCTCP));
386 printf(" SyslogFacility = %s\n",
387 ngt_SyslogFacilityName(Conf_SyslogFacility));
389 printf(" WebircPassword = %s\n", Conf_WebircPwd);
394 printf(" CertFile = %s\n", Conf_SSLOptions.CertFile
395 ? Conf_SSLOptions.CertFile : "");
396 printf(" DHFile = %s\n", Conf_SSLOptions.DHFile
397 ? Conf_SSLOptions.DHFile : "");
398 printf(" KeyFile = %s\n", Conf_SSLOptions.KeyFile
399 ? Conf_SSLOptions.KeyFile : "");
400 if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
401 puts(" KeyFilePassword = <secret>");
403 puts(" KeyFilePassword = ");
404 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
406 ports_puts(&Conf_SSLOptions.ListenPorts);
412 for( i = 0; i < MAX_SERVERS; i++ ) {
413 if( ! Conf_Server[i].name[0] ) continue;
415 /* Valid "Server" section */
417 printf( " Name = %s\n", Conf_Server[i].name );
418 printf( " Host = %s\n", Conf_Server[i].host );
419 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
421 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
423 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
424 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
425 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
426 printf( " Group = %d\n", Conf_Server[i].group );
427 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
430 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
431 predef_chan = array_start(&Conf_Channels);
433 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
434 if (!predef_chan->name[0])
437 /* Valid "Channel" section */
439 printf(" Name = %s\n", predef_chan->name);
440 printf(" Modes = %s\n", predef_chan->modes);
441 printf(" Key = %s\n", predef_chan->key);
442 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
443 printf(" Topic = %s\n", predef_chan->topic);
444 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
447 return (config_valid ? 0 : 1);
451 * Remove connection information from configured server.
453 * If the server is set as "once", delete it from our configuration;
454 * otherwise set the time for the next connection attempt.
456 * Non-server connections will be silently ignored.
459 Conf_UnsetServer( CONN_ID Idx )
464 /* Check all our configured servers */
465 for( i = 0; i < MAX_SERVERS; i++ ) {
466 if( Conf_Server[i].conn_id != Idx ) continue;
468 /* Gotcha! Mark server configuration as "unused": */
469 Conf_Server[i].conn_id = NONE;
471 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
472 /* Delete configuration here */
473 Init_Server_Struct( &Conf_Server[i] );
475 /* Set time for next connect attempt */
477 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
478 /* The connection has been "long", so we don't
479 * require the next attempt to be delayed. */
480 Conf_Server[i].lasttry =
481 t - Conf_ConnectRetry + RECONNECT_DELAY;
483 Conf_Server[i].lasttry = t;
489 * Set connection information for specified configured server.
492 Conf_SetServer( int ConfServer, CONN_ID Idx )
494 assert( ConfServer > NONE );
495 assert( Idx > NONE );
497 if (Conf_Server[ConfServer].conn_id > NONE &&
498 Conf_Server[ConfServer].conn_id != Idx) {
500 "Trying to update connection index for already registered server \"%s\": %d/%d - ignored.",
501 Conf_Server[ConfServer].name,
502 Conf_Server[ConfServer].conn_id, Idx);
505 Conf_Server[ConfServer].conn_id = Idx;
509 * Get index of server in configuration structure.
512 Conf_GetServer( CONN_ID Idx )
516 assert( Idx > NONE );
518 for( i = 0; i < MAX_SERVERS; i++ ) {
519 if( Conf_Server[i].conn_id == Idx ) return i;
525 * Enable a server by name and adjust its port number.
527 * @returns true if a server has been enabled and now has a valid port
528 * number and host name for outgoing connections.
531 Conf_EnableServer( const char *Name, UINT16 Port )
535 assert( Name != NULL );
536 for( i = 0; i < MAX_SERVERS; i++ ) {
537 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
538 /* Gotcha! Set port and enable server: */
539 Conf_Server[i].port = Port;
540 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
541 return (Conf_Server[i].port && Conf_Server[i].host[0]);
548 * Enable a server by name.
550 * The server is only usable as outgoing server, if it has set a valid port
551 * number for outgoing connections!
552 * If not, you have to use Conf_EnableServer() function to make it available.
554 * @returns true if a server has been enabled; false otherwise.
557 Conf_EnablePassiveServer(const char *Name)
561 assert( Name != NULL );
562 for (i = 0; i < MAX_SERVERS; i++) {
563 if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
564 && (Conf_Server[i].port > 0)) {
565 /* BINGO! Enable server */
566 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
574 * Disable a server by name.
575 * An already established connection will be disconnected.
577 * @returns true if a server was found and has been disabled.
580 Conf_DisableServer( const char *Name )
584 assert( Name != NULL );
585 for( i = 0; i < MAX_SERVERS; i++ ) {
586 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
587 /* Gotcha! Disable and disconnect server: */
588 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
589 if( Conf_Server[i].conn_id > NONE )
590 Conn_Close(Conf_Server[i].conn_id, NULL,
591 "Server link terminated on operator request",
600 * Add a new remote server to our configuration.
602 * @param Name Name of the new server.
603 * @param Port Port number to connect to or 0 for incoming connections.
604 * @param Host Host name to connect to.
605 * @param MyPwd Password that will be sent to the peer.
606 * @param PeerPwd Password that must be received from the peer.
607 * @returns true if the new server has been added; false otherwise.
610 Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
611 const char *MyPwd, const char *PeerPwd)
615 assert( Name != NULL );
616 assert( Host != NULL );
617 assert( MyPwd != NULL );
618 assert( PeerPwd != NULL );
620 /* Search unused item in server configuration structure */
621 for( i = 0; i < MAX_SERVERS; i++ ) {
622 /* Is this item used? */
623 if( ! Conf_Server[i].name[0] ) break;
625 if( i >= MAX_SERVERS ) return false;
627 Init_Server_Struct( &Conf_Server[i] );
628 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
629 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
630 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
631 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
632 Conf_Server[i].port = Port;
633 Conf_Server[i].flags = CONF_SFLAG_ONCE;
639 * Check if the given nick name is an service.
641 * @returns true if the given nick name belongs to an "IRC service".
644 Conf_IsService(int ConfServer, const char *Nick)
646 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
650 * Initialize configuration settings with their default values.
653 Set_Defaults(bool InitServers)
656 char random[RANDOM_SALT_LEN + 1];
659 strcpy(Conf_ServerName, "");
660 strcpy(Conf_ServerAdmin1, "");
661 strcpy(Conf_ServerAdmin2, "");
662 strcpy(Conf_ServerAdminMail, "");
663 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
664 PACKAGE_NAME, PACKAGE_VERSION);
665 free(Conf_ListenAddress);
666 Conf_ListenAddress = NULL;
667 array_free(&Conf_Motd);
668 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
669 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
670 strcpy(Conf_ServerPwd, "");
671 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
672 Conf_UID = Conf_GID = 0;
675 Conf_ConnectRetry = 60;
676 Conf_MaxConnections = 0;
677 Conf_MaxConnectionsIP = 5;
679 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
680 Conf_PingTimeout = 120;
681 Conf_PongTimeout = 20;
684 Conf_AllowRemoteOper = false;
686 Conf_AuthPing = false;
688 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
689 strcpy(Conf_CloakHost, "");
690 strcpy(Conf_CloakHostModeX, "");
691 strcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN));
692 Conf_CloakUserToNick = false;
693 Conf_ConnectIPv4 = true;
695 Conf_ConnectIPv6 = true;
697 Conf_ConnectIPv6 = false;
705 Conf_MorePrivacy = false;
706 Conf_NoticeAuth = false;
707 Conf_OperCanMode = false;
708 Conf_OperServerMode = false;
714 Conf_PAMIsOptional = false;
715 Conf_PredefChannelsOnly = false;
717 Conf_ScrubCTCP = false;
719 Conf_SyslogFacility = LOG_LOCAL5;
721 Conf_SyslogFacility = 0;
725 /* Initialize server configuration structures */
727 for (i = 0; i < MAX_SERVERS;
728 Init_Server_Struct(&Conf_Server[i++]));
733 * Get number of configured listening ports.
735 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
740 size_t cnt = array_bytes(&Conf_ListenPorts);
742 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
748 * Read MOTD ("message of the day") file.
750 * @param filename Name of the file to read.
753 Read_Motd(const char *filename)
758 if (*filename == '\0')
761 fp = fopen(filename, "r");
763 Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
764 filename, strerror(errno));
768 array_free(&Conf_Motd);
769 Using_MotdFile = true;
771 while (fgets(line, (int)sizeof line, fp)) {
772 ngt_TrimLastChr( line, '\n');
774 /* add text including \0 */
775 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
776 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
784 * Read ngIRCd configuration file.
786 * Please note that this function uses exit(1) on fatal errors and therefore
787 * can result in ngIRCd terminating!
789 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
790 * @returns true when the configuration file has been read
791 * successfully; false otherwise.
794 Read_Config(bool TestOnly, bool IsStarting)
796 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
797 const UINT16 defaultport = 6667;
802 /* Open configuration file */
803 fd = fopen( NGIRCd_ConfFile, "r" );
805 /* No configuration file found! */
806 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
807 NGIRCd_ConfFile, strerror( errno ));
810 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
815 Set_Defaults(IsStarting);
818 Config_Error(LOG_INFO,
819 "Reading configuration from \"%s\" ...",
822 /* Clean up server configuration structure: mark all already
823 * configured servers as "once" so that they are deleted
824 * after the next disconnect and delete all unused servers.
825 * And delete all servers which are "duplicates" of servers
826 * that are already marked as "once" (such servers have been
827 * created by the last rehash but are now useless). */
828 for( i = 0; i < MAX_SERVERS; i++ ) {
829 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
831 /* This structure is in use ... */
832 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
833 /* Check for duplicates */
834 for( n = 0; n < MAX_SERVERS; n++ ) {
835 if( n == i ) continue;
837 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
838 Init_Server_Struct( &Conf_Server[n] );
840 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
846 /* Mark server as "once" */
847 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
848 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
853 /* Initialize variables */
855 strcpy( section, "" );
856 Init_Server_Struct( &New_Server );
857 New_Server_Idx = NONE;
861 /* Read configuration file */
863 if( ! fgets( str, LINE_LEN, fd )) break;
867 /* Skip comments and empty lines */
868 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
870 /* Is this the beginning of a new section? */
871 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
872 strlcpy( section, str, sizeof( section ));
873 if (strcasecmp(section, "[GLOBAL]") == 0
874 || strcasecmp(section, "[LIMITS]") == 0
875 || strcasecmp(section, "[OPTIONS]") == 0
877 || strcasecmp(section, "[SSL]") == 0
882 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
883 /* Check if there is already a server to add */
884 if( New_Server.name[0] ) {
885 /* Copy data to "real" server structure */
886 assert( New_Server_Idx > NONE );
887 Conf_Server[New_Server_Idx] = New_Server;
890 /* Re-init structure for new server */
891 Init_Server_Struct( &New_Server );
893 /* Search unused item in server configuration structure */
894 for( i = 0; i < MAX_SERVERS; i++ ) {
895 /* Is this item used? */
896 if( ! Conf_Server[i].name[0] ) break;
898 if( i >= MAX_SERVERS ) {
899 /* Oops, no free item found! */
900 Config_Error( LOG_ERR, "Too many servers configured." );
901 New_Server_Idx = NONE;
903 else New_Server_Idx = i;
907 if (strcasecmp(section, "[CHANNEL]") == 0) {
908 count = array_length(&Conf_Channels,
909 sizeof(struct Conf_Channel));
910 if (!array_alloc(&Conf_Channels,
911 sizeof(struct Conf_Channel),
913 Config_Error(LOG_ERR,
914 "Could not allocate memory for new operator (line %d)",
920 if (strcasecmp(section, "[OPERATOR]") == 0) {
921 count = array_length(&Conf_Opers,
922 sizeof(struct Conf_Oper));
923 if (!array_alloc(&Conf_Opers,
924 sizeof(struct Conf_Oper),
926 Config_Error(LOG_ERR,
927 "Could not allocate memory for new channel (line &d)",
933 Config_Error(LOG_ERR,
934 "%s, line %d: Unknown section \"%s\"!",
935 NGIRCd_ConfFile, line, section);
938 if( section[0] == 0x1 ) continue;
940 /* Split line into variable name and parameters */
941 ptr = strchr( str, '=' );
943 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
947 var = str; ngt_TrimStr( var );
948 arg = ptr + 1; ngt_TrimStr( arg );
950 if(strcasecmp(section, "[GLOBAL]") == 0)
951 Handle_GLOBAL(line, var, arg);
952 else if(strcasecmp(section, "[LIMITS]") == 0)
953 Handle_LIMITS(line, var, arg);
954 else if(strcasecmp(section, "[OPTIONS]") == 0)
955 Handle_OPTIONS(line, var, arg);
957 else if(strcasecmp(section, "[SSL]") == 0)
958 Handle_SSL(line, var, arg);
960 else if(strcasecmp(section, "[OPERATOR]") == 0)
961 Handle_OPERATOR(line, var, arg);
962 else if(strcasecmp(section, "[SERVER]") == 0)
963 Handle_SERVER(line, var, arg);
964 else if(strcasecmp(section, "[CHANNEL]") == 0)
965 Handle_CHANNEL(line, var, arg);
967 Config_Error(LOG_ERR,
968 "%s, line %d: Variable \"%s\" outside section!",
969 NGIRCd_ConfFile, line, var);
972 /* Close configuration file */
975 /* Check if there is still a server to add */
976 if( New_Server.name[0] ) {
977 /* Copy data to "real" server structure */
978 assert( New_Server_Idx > NONE );
979 Conf_Server[New_Server_Idx] = New_Server;
982 /* not a single listening port? Add default. */
983 if (no_listenports() &&
984 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
986 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
987 (unsigned int) defaultport, strerror(errno));
992 if (!Conf_ListenAddress)
993 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
995 if (!Conf_ListenAddress) {
996 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1000 /* No MOTD phrase configured? (re)try motd file. */
1001 if (array_bytes(&Conf_Motd) == 0)
1002 Read_Motd(Conf_MotdFile);
1005 /* Make sure that all SSL-related files are readable */
1006 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
1007 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
1008 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
1015 * Check whether a string argument is "true" or "false".
1017 * @param Arg Input string.
1018 * @returns true if the input string has been parsed as "yes", "true"
1019 * (case insensitive) or a non-zero integer value.
1022 Check_ArgIsTrue(const char *Arg)
1024 if (strcasecmp(Arg, "yes") == 0)
1026 if (strcasecmp(Arg, "true") == 0)
1035 * Handle setting of "MaxNickLength".
1037 * @param Line Line number in configuration file.
1038 * @raram Arg Input string.
1039 * @returns New configured maximum nick name length.
1042 Handle_MaxNickLength(int Line, const char *Arg)
1046 new = (unsigned) atoi(Arg) + 1;
1047 if (new > CLIENT_NICK_LEN) {
1048 Config_Error(LOG_WARNING,
1049 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1050 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1051 return CLIENT_NICK_LEN;
1054 Config_Error(LOG_WARNING,
1055 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1056 NGIRCd_ConfFile, Line);
1063 * Output a warning messages if IDENT is configured but not compiled in.
1066 WarnIdent(int UNUSED Line)
1070 /* user has enabled ident lookups explicitly, but ... */
1071 Config_Error(LOG_WARNING,
1072 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1073 NGIRCd_ConfFile, Line);
1079 * Output a warning messages if IPv6 is configured but not compiled in.
1082 WarnIPv6(int UNUSED Line)
1085 if (Conf_ConnectIPv6) {
1086 /* user has enabled IPv6 explicitly, but ... */
1087 Config_Error(LOG_WARNING,
1088 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1089 NGIRCd_ConfFile, Line);
1095 * Output a warning messages if PAM is configured but not compiled in.
1098 WarnPAM(int UNUSED Line)
1102 Config_Error(LOG_WARNING,
1103 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1104 NGIRCd_ConfFile, Line);
1110 * Handle legacy "NoXXX" options in [GLOBAL] section.
1112 * TODO: This function and support for "NoXXX" could be removed starting
1113 * with ngIRCd release 19 (one release after marking it "deprecated").
1115 * @param Var Variable name.
1116 * @param Arg Argument string.
1117 * @returns true if a NoXXX option has been processed; false otherwise.
1120 CheckLegacyNoOption(const char *Var, const char *Arg)
1122 if(strcasecmp(Var, "NoDNS") == 0) {
1123 Conf_DNS = !Check_ArgIsTrue( Arg );
1126 if (strcasecmp(Var, "NoIdent") == 0) {
1127 Conf_Ident = !Check_ArgIsTrue(Arg);
1130 if(strcasecmp(Var, "NoPAM") == 0) {
1131 Conf_PAM = !Check_ArgIsTrue(Arg);
1138 * Handle deprecated legacy options in [GLOBAL] section.
1140 * TODO: This function and support for these options in the [Global] section
1141 * could be removed starting with ngIRCd release 19 (one release after
1142 * marking it "deprecated").
1144 * @param Var Variable name.
1145 * @param Arg Argument string.
1146 * @returns true if a legacy option has been processed; false otherwise.
1149 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1151 if (strcasecmp(Var, "AllowRemoteOper") == 0
1152 || strcasecmp(Var, "ChrootDir") == 0
1153 || strcasecmp(Var, "ConnectIPv4") == 0
1154 || strcasecmp(Var, "ConnectIPv6") == 0
1155 || strcasecmp(Var, "OperCanUseMode") == 0
1156 || strcasecmp(Var, "OperServerMode") == 0
1157 || strcasecmp(Var, "PredefChannelsOnly") == 0
1158 || strcasecmp(Var, "SyslogFacility") == 0
1159 || strcasecmp(Var, "WebircPassword") == 0) {
1160 Handle_OPTIONS(Line, Var, Arg);
1163 if (strcasecmp(Var, "ConnectRetry") == 0
1164 || strcasecmp(Var, "MaxConnections") == 0
1165 || strcasecmp(Var, "MaxConnectionsIP") == 0
1166 || strcasecmp(Var, "MaxJoins") == 0
1167 || strcasecmp(Var, "MaxNickLength") == 0
1168 || strcasecmp(Var, "PingTimeout") == 0
1169 || strcasecmp(Var, "PongTimeout") == 0) {
1170 Handle_LIMITS(Line, Var, Arg);
1174 if (strcasecmp(Var, "SSLCertFile") == 0
1175 || strcasecmp(Var, "SSLDHFile") == 0
1176 || strcasecmp(Var, "SSLKeyFile") == 0
1177 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1178 || strcasecmp(Var, "SSLPorts") == 0) {
1179 Handle_SSL(Line, Var + 3, Arg);
1188 * Strip "no" prefix of a string.
1190 * TODO: This function and support for "NoXXX" should be removed starting
1191 * with ngIRCd release 19! (One release after marking it "deprecated").
1193 * @param str Pointer to input string starting with "no".
1194 * @returns New pointer to string without "no" prefix.
1197 NoNo(const char *str)
1199 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1204 * Invert "boolean" string.
1206 * TODO: This function and support for "NoXXX" should be removed starting
1207 * with ngIRCd release 19! (One release after marking it "deprecated").
1209 * @param arg "Boolean" input string.
1210 * @returns Pointer to inverted "boolean string".
1213 InvertArg(const char *arg)
1215 return yesno_to_str(!Check_ArgIsTrue(arg));
1219 * Handle variable in [Global] configuration section.
1221 * @param Line Line numer in configuration file.
1222 * @param Var Variable name.
1223 * @param Arg Variable argument.
1226 Handle_GLOBAL( int Line, char *Var, char *Arg )
1231 const char *section;
1234 assert(Var != NULL);
1235 assert(Arg != NULL);
1237 if (strcasecmp(Var, "Name") == 0) {
1238 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1239 if (len >= sizeof(Conf_ServerName))
1240 Config_Error_TooLong(Line, Var);
1243 if (strcasecmp(Var, "AdminInfo1") == 0) {
1244 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1245 if (len >= sizeof(Conf_ServerAdmin1))
1246 Config_Error_TooLong(Line, Var);
1249 if (strcasecmp(Var, "AdminInfo2") == 0) {
1250 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1251 if (len >= sizeof(Conf_ServerAdmin2))
1252 Config_Error_TooLong(Line, Var);
1255 if (strcasecmp(Var, "AdminEMail") == 0) {
1256 len = strlcpy(Conf_ServerAdminMail, Arg,
1257 sizeof(Conf_ServerAdminMail));
1258 if (len >= sizeof(Conf_ServerAdminMail))
1259 Config_Error_TooLong(Line, Var);
1262 if (strcasecmp(Var, "Info") == 0) {
1263 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1264 if (len >= sizeof(Conf_ServerInfo))
1265 Config_Error_TooLong(Line, Var);
1268 if (strcasecmp(Var, "Listen") == 0) {
1269 if (Conf_ListenAddress) {
1270 Config_Error(LOG_ERR,
1271 "Multiple Listen= options, ignoring: %s",
1275 Conf_ListenAddress = strdup_warn(Arg);
1276 /* If allocation fails, we're in trouble: we cannot ignore the
1277 * error -- otherwise ngircd would listen on all interfaces. */
1278 if (!Conf_ListenAddress) {
1279 Config_Error(LOG_ALERT,
1280 "%s exiting due to fatal errors!",
1286 if (strcasecmp(Var, "MotdFile") == 0) {
1287 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1288 if (len >= sizeof(Conf_MotdFile))
1289 Config_Error_TooLong(Line, Var);
1292 if (strcasecmp(Var, "MotdPhrase") == 0) {
1296 if (len >= LINE_LEN) {
1297 Config_Error_TooLong(Line, Var);
1300 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1301 Config_Error(LOG_WARNING,
1302 "%s, line %d: Could not append MotdPhrase: %s",
1303 NGIRCd_ConfFile, Line, strerror(errno));
1304 Using_MotdFile = false;
1307 if(strcasecmp(Var, "Password") == 0) {
1308 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1309 if (len >= sizeof(Conf_ServerPwd))
1310 Config_Error_TooLong(Line, Var);
1313 if (strcasecmp(Var, "PidFile") == 0) {
1314 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1315 if (len >= sizeof(Conf_PidFile))
1316 Config_Error_TooLong(Line, Var);
1319 if (strcasecmp(Var, "Ports") == 0) {
1320 ports_parse(&Conf_ListenPorts, Line, Arg);
1323 if (strcasecmp(Var, "ServerGID") == 0) {
1324 grp = getgrnam(Arg);
1326 Conf_GID = grp->gr_gid;
1328 Conf_GID = (unsigned int)atoi(Arg);
1329 if (!Conf_GID && strcmp(Arg, "0"))
1330 Config_Error(LOG_WARNING,
1331 "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
1332 NGIRCd_ConfFile, Line, Var);
1336 if (strcasecmp(Var, "ServerUID") == 0) {
1337 pwd = getpwnam(Arg);
1339 Conf_UID = pwd->pw_uid;
1341 Conf_UID = (unsigned int)atoi(Arg);
1342 if (!Conf_UID && strcmp(Arg, "0"))
1343 Config_Error(LOG_WARNING,
1344 "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
1345 NGIRCd_ConfFile, Line, Var);
1350 if (CheckLegacyNoOption(Var, Arg)) {
1351 /* TODO: This function and support for "NoXXX" could be
1352 * be removed starting with ngIRCd release 19 (one release
1353 * after marking it "deprecated"). */
1354 Config_Error(LOG_WARNING,
1355 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1356 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1357 if (strcasecmp(Var, "NoIdent") == 0)
1359 else if (strcasecmp(Var, "NoPam") == 0)
1363 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1364 /** TODO: This function and support for these options in the
1365 * [Global] section could be removed starting with ngIRCd
1366 * release 19 (one release after marking it "deprecated"). */
1367 if (strncasecmp(Var, "SSL", 3) == 0) {
1368 Config_Error(LOG_WARNING,
1369 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1370 NGIRCd_ConfFile, Line, Var, section,
1373 Config_Error(LOG_WARNING,
1374 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1375 NGIRCd_ConfFile, Line, Var, section);
1380 Config_Error_Section(Line, Var, "Global");
1384 * Handle variable in [Limits] configuration section.
1386 * @param Line Line numer in configuration file.
1387 * @param Var Variable name.
1388 * @param Arg Variable argument.
1391 Handle_LIMITS(int Line, char *Var, char *Arg)
1394 assert(Var != NULL);
1395 assert(Arg != NULL);
1397 if (strcasecmp(Var, "ConnectRetry") == 0) {
1398 Conf_ConnectRetry = atoi(Arg);
1399 if (Conf_ConnectRetry < 5) {
1400 Config_Error(LOG_WARNING,
1401 "%s, line %d: Value of \"ConnectRetry\" too low!",
1402 NGIRCd_ConfFile, Line);
1403 Conf_ConnectRetry = 5;
1407 if (strcasecmp(Var, "MaxConnections") == 0) {
1408 Conf_MaxConnections = atol(Arg);
1409 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1410 Config_Error_NaN(Line, Var);
1413 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1414 Conf_MaxConnectionsIP = atoi(Arg);
1415 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1416 Config_Error_NaN(Line, Var);
1419 if (strcasecmp(Var, "MaxJoins") == 0) {
1420 Conf_MaxJoins = atoi(Arg);
1421 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1422 Config_Error_NaN(Line, Var);
1425 if (strcasecmp(Var, "MaxNickLength") == 0) {
1426 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1429 if (strcasecmp(Var, "PingTimeout") == 0) {
1430 Conf_PingTimeout = atoi(Arg);
1431 if (Conf_PingTimeout < 5) {
1432 Config_Error(LOG_WARNING,
1433 "%s, line %d: Value of \"PingTimeout\" too low!",
1434 NGIRCd_ConfFile, Line);
1435 Conf_PingTimeout = 5;
1439 if (strcasecmp(Var, "PongTimeout") == 0) {
1440 Conf_PongTimeout = atoi(Arg);
1441 if (Conf_PongTimeout < 5) {
1442 Config_Error(LOG_WARNING,
1443 "%s, line %d: Value of \"PongTimeout\" too low!",
1444 NGIRCd_ConfFile, Line);
1445 Conf_PongTimeout = 5;
1450 Config_Error_Section(Line, Var, "Limits");
1454 * Handle variable in [Options] configuration section.
1456 * @param Line Line numer in configuration file.
1457 * @param Var Variable name.
1458 * @param Arg Variable argument.
1461 Handle_OPTIONS(int Line, char *Var, char *Arg)
1466 assert(Var != NULL);
1467 assert(Arg != NULL);
1469 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1470 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1473 if (strcasecmp(Var, "ChrootDir") == 0) {
1474 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1475 if (len >= sizeof(Conf_Chroot))
1476 Config_Error_TooLong(Line, Var);
1479 if (strcasecmp(Var, "CloakHost") == 0) {
1480 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1481 if (len >= sizeof(Conf_CloakHost))
1482 Config_Error_TooLong(Line, Var);
1485 if (strcasecmp(Var, "CloakHostModeX") == 0) {
1486 len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
1487 if (len >= sizeof(Conf_CloakHostModeX))
1488 Config_Error_TooLong(Line, Var);
1491 if (strcasecmp(Var, "CloakHostSalt") == 0) {
1492 len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
1493 if (len >= sizeof(Conf_CloakHostSalt))
1494 Config_Error_TooLong(Line, Var);
1497 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1498 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1501 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1502 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1506 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1507 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1510 if (strcasecmp(Var, "DNS") == 0) {
1511 Conf_DNS = Check_ArgIsTrue(Arg);
1514 if (strcasecmp(Var, "Ident") == 0) {
1515 Conf_Ident = Check_ArgIsTrue(Arg);
1519 if (strcasecmp(Var, "MorePrivacy") == 0) {
1520 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1523 if (strcasecmp(Var, "NoticeAuth") == 0) {
1524 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1527 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1528 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1531 if (strcasecmp(Var, "OperServerMode") == 0) {
1532 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1535 if (strcasecmp(Var, "PAM") == 0) {
1536 Conf_PAM = Check_ArgIsTrue(Arg);
1540 if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
1541 Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
1544 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1545 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1549 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1550 Conf_AuthPing = Check_ArgIsTrue(Arg);
1554 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1555 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1559 if (strcasecmp(Var, "SyslogFacility") == 0) {
1560 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1561 Conf_SyslogFacility);
1565 if (strcasecmp(Var, "WebircPassword") == 0) {
1566 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1567 if (len >= sizeof(Conf_WebircPwd))
1568 Config_Error_TooLong(Line, Var);
1572 Config_Error_Section(Line, Var, "Options");
1578 * Handle variable in [SSL] configuration section.
1580 * @param Line Line numer in configuration file.
1581 * @param Var Variable name.
1582 * @param Arg Variable argument.
1585 Handle_SSL(int Line, char *Var, char *Arg)
1588 assert(Var != NULL);
1589 assert(Arg != NULL);
1591 if (strcasecmp(Var, "CertFile") == 0) {
1592 assert(Conf_SSLOptions.CertFile == NULL);
1593 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1596 if (strcasecmp(Var, "DHFile") == 0) {
1597 assert(Conf_SSLOptions.DHFile == NULL);
1598 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1601 if (strcasecmp(Var, "KeyFile") == 0) {
1602 assert(Conf_SSLOptions.KeyFile == NULL);
1603 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1606 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1607 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1608 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1609 Config_Error(LOG_ERR,
1610 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1611 NGIRCd_ConfFile, Line, Var,
1615 if (strcasecmp(Var, "Ports") == 0) {
1616 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1620 Config_Error_Section(Line, Var, "SSL");
1626 * Handle variable in [Operator] configuration section.
1628 * @param Line Line numer in configuration file.
1629 * @param Var Variable name.
1630 * @param Arg Variable argument.
1633 Handle_OPERATOR( int Line, char *Var, char *Arg )
1636 struct Conf_Oper *op;
1639 assert( Var != NULL );
1640 assert( Arg != NULL );
1642 op = array_get(&Conf_Opers, sizeof(*op),
1643 array_length(&Conf_Opers, sizeof(*op)) - 1);
1647 if (strcasecmp(Var, "Name") == 0) {
1648 /* Name of IRC operator */
1649 len = strlcpy(op->name, Arg, sizeof(op->name));
1650 if (len >= sizeof(op->name))
1651 Config_Error_TooLong(Line, Var);
1654 if (strcasecmp(Var, "Password") == 0) {
1655 /* Password of IRC operator */
1656 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1657 if (len >= sizeof(op->pwd))
1658 Config_Error_TooLong(Line, Var);
1661 if (strcasecmp(Var, "Mask") == 0) {
1663 return; /* Hostname already configured */
1664 op->mask = strdup_warn( Arg );
1668 Config_Error_Section(Line, Var, "Operator");
1672 * Handle variable in [Server] configuration section.
1674 * @param Line Line numer in configuration file.
1675 * @param Var Variable name.
1676 * @param Arg Variable argument.
1679 Handle_SERVER( int Line, char *Var, char *Arg )
1685 assert( Var != NULL );
1686 assert( Arg != NULL );
1688 /* Ignore server block if no space is left in server configuration structure */
1689 if( New_Server_Idx <= NONE ) return;
1691 if( strcasecmp( Var, "Host" ) == 0 ) {
1692 /* Hostname of the server */
1693 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1694 if (len >= sizeof( New_Server.host ))
1695 Config_Error_TooLong ( Line, Var );
1698 if( strcasecmp( Var, "Name" ) == 0 ) {
1699 /* Name of the server ("Nick"/"ID") */
1700 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1701 if (len >= sizeof( New_Server.name ))
1702 Config_Error_TooLong( Line, Var );
1705 if (strcasecmp(Var, "Bind") == 0) {
1706 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1709 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1710 NGIRCd_ConfFile, Line, Arg);
1713 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1714 /* Password of this server which is sent to the peer */
1716 Config_Error(LOG_ERR,
1717 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1718 NGIRCd_ConfFile, Line);
1720 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1721 if (len >= sizeof( New_Server.pwd_in ))
1722 Config_Error_TooLong( Line, Var );
1725 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1726 /* Passwort of the peer which must be received */
1727 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1728 if (len >= sizeof( New_Server.pwd_out ))
1729 Config_Error_TooLong( Line, Var );
1732 if( strcasecmp( Var, "Port" ) == 0 ) {
1733 /* Port to which this server should connect */
1735 if (port >= 0 && port < 0xFFFF)
1736 New_Server.port = (UINT16)port;
1738 Config_Error(LOG_ERR,
1739 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1740 NGIRCd_ConfFile, Line, port );
1744 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1745 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1749 if( strcasecmp( Var, "Group" ) == 0 ) {
1751 New_Server.group = atoi( Arg );
1752 if (!New_Server.group && strcmp(Arg, "0"))
1753 Config_Error_NaN(Line, Var);
1756 if( strcasecmp( Var, "Passive" ) == 0 ) {
1757 if (Check_ArgIsTrue(Arg))
1758 New_Server.flags |= CONF_SFLAG_DISABLED;
1761 if (strcasecmp(Var, "ServiceMask") == 0) {
1762 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1763 sizeof(New_Server.svs_mask));
1764 if (len >= sizeof(New_Server.svs_mask))
1765 Config_Error_TooLong(Line, Var);
1769 Config_Error_Section(Line, Var, "Server");
1773 * Copy channel name into channel structure.
1775 * If the channel name is not valid because of a missing prefix ('#', '&'),
1776 * a default prefix of '#' will be added.
1778 * @param new_chan New already allocated channel structure.
1779 * @param name Name of the new channel.
1780 * @returns true on success, false otherwise.
1783 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1785 size_t size = sizeof(new_chan->name);
1786 char *dest = new_chan->name;
1788 if (!Channel_IsValidName(name)) {
1790 * maybe user forgot to add a '#'.
1791 * This is only here for user convenience.
1797 return size > strlcpy(dest, name, size);
1801 * Handle variable in [Channel] configuration section.
1803 * @param Line Line numer in configuration file.
1804 * @param Var Variable name.
1805 * @param Arg Variable argument.
1808 Handle_CHANNEL(int Line, char *Var, char *Arg)
1811 struct Conf_Channel *chan;
1814 assert( Var != NULL );
1815 assert( Arg != NULL );
1817 chan = array_get(&Conf_Channels, sizeof(*chan),
1818 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1822 if (strcasecmp(Var, "Name") == 0) {
1823 if (!Handle_Channelname(chan, Arg))
1824 Config_Error_TooLong(Line, Var);
1827 if (strcasecmp(Var, "Modes") == 0) {
1829 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1830 if (len >= sizeof(chan->modes))
1831 Config_Error_TooLong( Line, Var );
1834 if( strcasecmp( Var, "Topic" ) == 0 ) {
1836 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1837 if (len >= sizeof(chan->topic))
1838 Config_Error_TooLong( Line, Var );
1841 if( strcasecmp( Var, "Key" ) == 0 ) {
1842 /* Initial Channel Key (mode k) */
1843 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1844 if (len >= sizeof(chan->key))
1845 Config_Error_TooLong(Line, Var);
1848 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1849 /* maximum user limit, mode l */
1850 chan->maxusers = (unsigned long) atol(Arg);
1851 if (!chan->maxusers && strcmp(Arg, "0"))
1852 Config_Error_NaN(Line, Var);
1855 if (strcasecmp(Var, "KeyFile") == 0) {
1857 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1858 if (len >= sizeof(chan->keyfile))
1859 Config_Error_TooLong(Line, Var);
1863 Config_Error_Section(Line, Var, "Channel");
1867 * Validate server configuration.
1869 * Please note that this function uses exit(1) on fatal errors and therefore
1870 * can result in ngIRCd terminating!
1872 * @param Configtest true if the daemon has been called with "--configtest".
1873 * @param Rehash true if re-reading configuration on runtime.
1874 * @returns true if configuration is valid.
1877 Validate_Config(bool Configtest, bool Rehash)
1879 /* Validate configuration settings. */
1882 int i, servers, servers_once;
1884 bool config_valid = true;
1887 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1888 ptr = Conf_ServerName;
1890 if (*ptr >= 'a' && *ptr <= 'z') continue;
1891 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1892 if (*ptr >= '0' && *ptr <= '9') continue;
1893 if (ptr > Conf_ServerName) {
1894 if (*ptr == '.' || *ptr == '-')
1897 Conf_ServerName[0] = '\0';
1901 if (!Conf_ServerName[0]) {
1902 /* No server name configured! */
1903 config_valid = false;
1904 Config_Error(LOG_ALERT,
1905 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1907 if (!Configtest && !Rehash) {
1908 Config_Error(LOG_ALERT,
1909 "%s exiting due to fatal errors!",
1915 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1916 /* No dot in server name! */
1917 config_valid = false;
1918 Config_Error(LOG_ALERT,
1919 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1922 Config_Error(LOG_ALERT,
1923 "%s exiting due to fatal errors!",
1930 if (!Conf_ServerAdminMail[0]) {
1931 /* No administrative contact configured! */
1932 config_valid = false;
1933 Config_Error(LOG_ALERT,
1934 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1937 Config_Error(LOG_ALERT,
1938 "%s exiting due to fatal errors!",
1945 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1946 && !Conf_ServerAdminMail[0]) {
1947 /* No administrative information configured! */
1948 Config_Error(LOG_WARNING,
1949 "No administrative information configured but required by RFC!");
1953 if (Conf_ServerPwd[0])
1954 Config_Error(LOG_ERR,
1955 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
1959 servers = servers_once = 0;
1960 for (i = 0; i < MAX_SERVERS; i++) {
1961 if (Conf_Server[i].name[0]) {
1963 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1968 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
1969 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
1970 servers, servers_once,
1971 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
1974 return config_valid;
1978 * Output "line too long" warning.
1980 * @param Line Line number in configuration file.
1981 * @param Item Affected variable name.
1984 Config_Error_TooLong ( const int Line, const char *Item )
1986 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1990 * Output "unknown variable" warning.
1992 * @param Line Line number in configuration file.
1993 * @param Item Affected variable name.
1994 * @param Section Section name.
1997 Config_Error_Section(const int Line, const char *Item, const char *Section)
1999 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
2000 NGIRCd_ConfFile, Line, Section, Item);
2004 * Output "not a number" warning.
2006 * @param Line Line number in configuration file.
2007 * @param Item Affected variable name.
2010 Config_Error_NaN( const int Line, const char *Item )
2012 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
2013 NGIRCd_ConfFile, Line, Item );
2017 * Output configuration error to console and/or logfile.
2019 * On runtime, the normal log functions of the daemon are used. But when
2020 * testing the configuration ("--configtest"), all messages go directly
2023 * @param Level Severity level of the message.
2024 * @param Format Format string; see printf() function.
2027 static void Config_Error( const int Level, const char *Format, ... )
2029 static void Config_Error( Level, Format, va_alist )
2035 char msg[MAX_LOG_MSG_LEN];
2038 assert( Format != NULL );
2041 va_start( ap, Format );
2045 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2049 if (Level <= LOG_WARNING)
2050 printf(" - %s\n", msg);
2054 Log(Level, "%s", msg);
2060 * Dump internal state of the "configuration module".
2063 Conf_DebugDump(void)
2067 Log(LOG_DEBUG, "Configured servers:");
2068 for (i = 0; i < MAX_SERVERS; i++) {
2069 if (! Conf_Server[i].name[0])
2072 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2073 Conf_Server[i].name, Conf_Server[i].host,
2074 Conf_Server[i].port, Conf_Server[i].lasttry,
2075 Conf_Server[i].group, Conf_Server[i].flags,
2076 Conf_Server[i].conn_id);
2083 * Initialize server configuration structur to default values.
2085 * @param Server Pointer to server structure to initialize.
2088 Init_Server_Struct( CONF_SERVER *Server )
2090 assert( Server != NULL );
2092 memset( Server, 0, sizeof (CONF_SERVER) );
2094 Server->group = NONE;
2095 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2097 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2099 Proc_InitStruct(&Server->res_stat);
2100 Server->conn_id = NONE;
2101 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));