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(" 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 if (Conf_Server[ConfServer].conn_id > NONE &&
496 Conf_Server[ConfServer].conn_id != Idx) {
498 "Trying to update connection index for already registered server \"%s\": %d/%d - ignored.",
499 Conf_Server[ConfServer].name,
500 Conf_Server[ConfServer].conn_id, Idx);
503 Conf_Server[ConfServer].conn_id = Idx;
507 * Get index of server in configuration structure.
510 Conf_GetServer( CONN_ID Idx )
514 assert( Idx > NONE );
516 for( i = 0; i < MAX_SERVERS; i++ ) {
517 if( Conf_Server[i].conn_id == Idx ) return i;
523 * Enable a server by name and adjust its port number.
525 * @returns true if a server has been enabled and now has a valid port
526 * number and host name for outgoing connections.
529 Conf_EnableServer( const char *Name, UINT16 Port )
533 assert( Name != NULL );
534 for( i = 0; i < MAX_SERVERS; i++ ) {
535 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
536 /* Gotcha! Set port and enable server: */
537 Conf_Server[i].port = Port;
538 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
539 return (Conf_Server[i].port && Conf_Server[i].host[0]);
546 * Enable a server by name.
548 * The server is only usable as outgoing server, if it has set a valid port
549 * number for outgoing connections!
550 * If not, you have to use Conf_EnableServer() function to make it available.
552 * @returns true if a server has been enabled; false otherwise.
555 Conf_EnablePassiveServer(const char *Name)
559 assert( Name != NULL );
560 for (i = 0; i < MAX_SERVERS; i++) {
561 if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
562 && (Conf_Server[i].port > 0)) {
563 /* BINGO! Enable server */
564 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
572 * Disable a server by name.
573 * An already established connection will be disconnected.
575 * @returns true if a server was found and has been disabled.
578 Conf_DisableServer( const char *Name )
582 assert( Name != NULL );
583 for( i = 0; i < MAX_SERVERS; i++ ) {
584 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
585 /* Gotcha! Disable and disconnect server: */
586 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
587 if( Conf_Server[i].conn_id > NONE )
588 Conn_Close(Conf_Server[i].conn_id, NULL,
589 "Server link terminated on operator request",
598 * Add a new remote server to our configuration.
600 * @param Name Name of the new server.
601 * @param Port Port number to connect to or 0 for incoming connections.
602 * @param Host Host name to connect to.
603 * @param MyPwd Password that will be sent to the peer.
604 * @param PeerPwd Password that must be received from the peer.
605 * @returns true if the new server has been added; false otherwise.
608 Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
609 const char *MyPwd, const char *PeerPwd)
613 assert( Name != NULL );
614 assert( Host != NULL );
615 assert( MyPwd != NULL );
616 assert( PeerPwd != NULL );
618 /* Search unused item in server configuration structure */
619 for( i = 0; i < MAX_SERVERS; i++ ) {
620 /* Is this item used? */
621 if( ! Conf_Server[i].name[0] ) break;
623 if( i >= MAX_SERVERS ) return false;
625 Init_Server_Struct( &Conf_Server[i] );
626 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
627 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
628 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
629 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
630 Conf_Server[i].port = Port;
631 Conf_Server[i].flags = CONF_SFLAG_ONCE;
637 * Check if the given nick name is an service.
639 * @returns true if the given nick name belongs to an "IRC service".
642 Conf_IsService(int ConfServer, const char *Nick)
644 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
648 * Initialize configuration settings with their default values.
651 Set_Defaults(bool InitServers)
656 strcpy(Conf_ServerName, "");
657 strcpy(Conf_ServerAdmin1, "");
658 strcpy(Conf_ServerAdmin2, "");
659 strcpy(Conf_ServerAdminMail, "");
660 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
661 PACKAGE_NAME, PACKAGE_VERSION);
662 free(Conf_ListenAddress);
663 Conf_ListenAddress = NULL;
664 array_free(&Conf_Motd);
665 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
666 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
667 strcpy(Conf_ServerPwd, "");
668 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
669 Conf_UID = Conf_GID = 0;
672 Conf_ConnectRetry = 60;
673 Conf_MaxConnections = 0;
674 Conf_MaxConnectionsIP = 5;
676 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
677 Conf_PingTimeout = 120;
678 Conf_PongTimeout = 20;
681 Conf_AllowRemoteOper = false;
683 Conf_AuthPing = false;
685 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
686 strcpy(Conf_CloakHost, "");
687 Conf_CloakUserToNick = false;
688 Conf_ConnectIPv4 = true;
690 Conf_ConnectIPv6 = true;
692 Conf_ConnectIPv6 = false;
700 Conf_MorePrivacy = false;
701 Conf_NoticeAuth = false;
702 Conf_OperCanMode = false;
703 Conf_OperServerMode = false;
709 Conf_PAMIsOptional = false;
710 Conf_PredefChannelsOnly = false;
712 Conf_ScrubCTCP = false;
714 Conf_SyslogFacility = LOG_LOCAL5;
716 Conf_SyslogFacility = 0;
720 /* Initialize server configuration structures */
722 for (i = 0; i < MAX_SERVERS;
723 Init_Server_Struct(&Conf_Server[i++]));
728 * Get number of configured listening ports.
730 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
735 size_t cnt = array_bytes(&Conf_ListenPorts);
737 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
743 * Read MOTD ("message of the day") file.
745 * @param filename Name of the file to read.
748 Read_Motd(const char *filename)
753 if (*filename == '\0')
756 fp = fopen(filename, "r");
758 Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
759 filename, strerror(errno));
763 array_free(&Conf_Motd);
764 Using_MotdFile = true;
766 while (fgets(line, (int)sizeof line, fp)) {
767 ngt_TrimLastChr( line, '\n');
769 /* add text including \0 */
770 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
771 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
779 * Read ngIRCd configuration file.
781 * Please note that this function uses exit(1) on fatal errors and therefore
782 * can result in ngIRCd terminating!
784 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
785 * @returns true when the configuration file has been read
786 * successfully; false otherwise.
789 Read_Config(bool TestOnly, bool IsStarting)
791 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
792 const UINT16 defaultport = 6667;
797 /* Open configuration file */
798 fd = fopen( NGIRCd_ConfFile, "r" );
800 /* No configuration file found! */
801 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
802 NGIRCd_ConfFile, strerror( errno ));
805 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
810 Set_Defaults(IsStarting);
813 Config_Error(LOG_INFO,
814 "Reading configuration from \"%s\" ...",
817 /* Clean up server configuration structure: mark all already
818 * configured servers as "once" so that they are deleted
819 * after the next disconnect and delete all unused servers.
820 * And delete all servers which are "duplicates" of servers
821 * that are already marked as "once" (such servers have been
822 * created by the last rehash but are now useless). */
823 for( i = 0; i < MAX_SERVERS; i++ ) {
824 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
826 /* This structure is in use ... */
827 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
828 /* Check for duplicates */
829 for( n = 0; n < MAX_SERVERS; n++ ) {
830 if( n == i ) continue;
832 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
833 Init_Server_Struct( &Conf_Server[n] );
835 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
841 /* Mark server as "once" */
842 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
843 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
848 /* Initialize variables */
850 strcpy( section, "" );
851 Init_Server_Struct( &New_Server );
852 New_Server_Idx = NONE;
856 /* Read configuration file */
858 if( ! fgets( str, LINE_LEN, fd )) break;
862 /* Skip comments and empty lines */
863 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
865 /* Is this the beginning of a new section? */
866 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
867 strlcpy( section, str, sizeof( section ));
868 if (strcasecmp(section, "[GLOBAL]") == 0
869 || strcasecmp(section, "[LIMITS]") == 0
870 || strcasecmp(section, "[OPTIONS]") == 0
872 || strcasecmp(section, "[SSL]") == 0
877 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
878 /* Check if there is already a server to add */
879 if( New_Server.name[0] ) {
880 /* Copy data to "real" server structure */
881 assert( New_Server_Idx > NONE );
882 Conf_Server[New_Server_Idx] = New_Server;
885 /* Re-init structure for new server */
886 Init_Server_Struct( &New_Server );
888 /* Search unused item in server configuration structure */
889 for( i = 0; i < MAX_SERVERS; i++ ) {
890 /* Is this item used? */
891 if( ! Conf_Server[i].name[0] ) break;
893 if( i >= MAX_SERVERS ) {
894 /* Oops, no free item found! */
895 Config_Error( LOG_ERR, "Too many servers configured." );
896 New_Server_Idx = NONE;
898 else New_Server_Idx = i;
902 if (strcasecmp(section, "[CHANNEL]") == 0) {
903 count = array_length(&Conf_Channels,
904 sizeof(struct Conf_Channel));
905 if (!array_alloc(&Conf_Channels,
906 sizeof(struct Conf_Channel),
908 Config_Error(LOG_ERR,
909 "Could not allocate memory for new operator (line %d)",
915 if (strcasecmp(section, "[OPERATOR]") == 0) {
916 count = array_length(&Conf_Opers,
917 sizeof(struct Conf_Oper));
918 if (!array_alloc(&Conf_Opers,
919 sizeof(struct Conf_Oper),
921 Config_Error(LOG_ERR,
922 "Could not allocate memory for new channel (line &d)",
928 Config_Error(LOG_ERR,
929 "%s, line %d: Unknown section \"%s\"!",
930 NGIRCd_ConfFile, line, section);
933 if( section[0] == 0x1 ) continue;
935 /* Split line into variable name and parameters */
936 ptr = strchr( str, '=' );
938 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
942 var = str; ngt_TrimStr( var );
943 arg = ptr + 1; ngt_TrimStr( arg );
945 if(strcasecmp(section, "[GLOBAL]") == 0)
946 Handle_GLOBAL(line, var, arg);
947 else if(strcasecmp(section, "[LIMITS]") == 0)
948 Handle_LIMITS(line, var, arg);
949 else if(strcasecmp(section, "[OPTIONS]") == 0)
950 Handle_OPTIONS(line, var, arg);
952 else if(strcasecmp(section, "[SSL]") == 0)
953 Handle_SSL(line, var, arg);
955 else if(strcasecmp(section, "[OPERATOR]") == 0)
956 Handle_OPERATOR(line, var, arg);
957 else if(strcasecmp(section, "[SERVER]") == 0)
958 Handle_SERVER(line, var, arg);
959 else if(strcasecmp(section, "[CHANNEL]") == 0)
960 Handle_CHANNEL(line, var, arg);
962 Config_Error(LOG_ERR,
963 "%s, line %d: Variable \"%s\" outside section!",
964 NGIRCd_ConfFile, line, var);
967 /* Close configuration file */
970 /* Check if there is still a server to add */
971 if( New_Server.name[0] ) {
972 /* Copy data to "real" server structure */
973 assert( New_Server_Idx > NONE );
974 Conf_Server[New_Server_Idx] = New_Server;
977 /* not a single listening port? Add default. */
978 if (no_listenports() &&
979 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
981 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
982 (unsigned int) defaultport, strerror(errno));
987 if (!Conf_ListenAddress)
988 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
990 if (!Conf_ListenAddress) {
991 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
995 /* No MOTD phrase configured? (re)try motd file. */
996 if (array_bytes(&Conf_Motd) == 0)
997 Read_Motd(Conf_MotdFile);
1000 /* Make sure that all SSL-related files are readable */
1001 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
1002 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
1003 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
1010 * Check whether a string argument is "true" or "false".
1012 * @param Arg Input string.
1013 * @returns true if the input string has been parsed as "yes", "true"
1014 * (case insensitive) or a non-zero integer value.
1017 Check_ArgIsTrue(const char *Arg)
1019 if (strcasecmp(Arg, "yes") == 0)
1021 if (strcasecmp(Arg, "true") == 0)
1030 * Handle setting of "MaxNickLength".
1032 * @param Line Line number in configuration file.
1033 * @raram Arg Input string.
1034 * @returns New configured maximum nick name length.
1037 Handle_MaxNickLength(int Line, const char *Arg)
1041 new = (unsigned) atoi(Arg) + 1;
1042 if (new > CLIENT_NICK_LEN) {
1043 Config_Error(LOG_WARNING,
1044 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1045 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1046 return CLIENT_NICK_LEN;
1049 Config_Error(LOG_WARNING,
1050 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1051 NGIRCd_ConfFile, Line);
1058 * Output a warning messages if IDENT is configured but not compiled in.
1061 WarnIdent(int UNUSED Line)
1065 /* user has enabled ident lookups explicitly, but ... */
1066 Config_Error(LOG_WARNING,
1067 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1068 NGIRCd_ConfFile, Line);
1074 * Output a warning messages if IPv6 is configured but not compiled in.
1077 WarnIPv6(int UNUSED Line)
1080 if (Conf_ConnectIPv6) {
1081 /* user has enabled IPv6 explicitly, but ... */
1082 Config_Error(LOG_WARNING,
1083 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1084 NGIRCd_ConfFile, Line);
1090 * Output a warning messages if PAM is configured but not compiled in.
1093 WarnPAM(int UNUSED Line)
1097 Config_Error(LOG_WARNING,
1098 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1099 NGIRCd_ConfFile, Line);
1105 * Handle legacy "NoXXX" options in [GLOBAL] section.
1107 * TODO: This function and support for "NoXXX" could be removed starting
1108 * with ngIRCd release 19 (one release after marking it "deprecated").
1110 * @param Var Variable name.
1111 * @param Arg Argument string.
1112 * @returns true if a NoXXX option has been processed; false otherwise.
1115 CheckLegacyNoOption(const char *Var, const char *Arg)
1117 if(strcasecmp(Var, "NoDNS") == 0) {
1118 Conf_DNS = !Check_ArgIsTrue( Arg );
1121 if (strcasecmp(Var, "NoIdent") == 0) {
1122 Conf_Ident = !Check_ArgIsTrue(Arg);
1125 if(strcasecmp(Var, "NoPAM") == 0) {
1126 Conf_PAM = !Check_ArgIsTrue(Arg);
1133 * Handle deprecated legacy options in [GLOBAL] section.
1135 * TODO: This function and support for these options in the [Global] section
1136 * could be removed starting with ngIRCd release 19 (one release after
1137 * marking it "deprecated").
1139 * @param Var Variable name.
1140 * @param Arg Argument string.
1141 * @returns true if a legacy option has been processed; false otherwise.
1144 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1146 if (strcasecmp(Var, "AllowRemoteOper") == 0
1147 || strcasecmp(Var, "ChrootDir") == 0
1148 || strcasecmp(Var, "ConnectIPv4") == 0
1149 || strcasecmp(Var, "ConnectIPv6") == 0
1150 || strcasecmp(Var, "OperCanUseMode") == 0
1151 || strcasecmp(Var, "OperServerMode") == 0
1152 || strcasecmp(Var, "PredefChannelsOnly") == 0
1153 || strcasecmp(Var, "SyslogFacility") == 0
1154 || strcasecmp(Var, "WebircPassword") == 0) {
1155 Handle_OPTIONS(Line, Var, Arg);
1158 if (strcasecmp(Var, "ConnectRetry") == 0
1159 || strcasecmp(Var, "MaxConnections") == 0
1160 || strcasecmp(Var, "MaxConnectionsIP") == 0
1161 || strcasecmp(Var, "MaxJoins") == 0
1162 || strcasecmp(Var, "MaxNickLength") == 0
1163 || strcasecmp(Var, "PingTimeout") == 0
1164 || strcasecmp(Var, "PongTimeout") == 0) {
1165 Handle_LIMITS(Line, Var, Arg);
1169 if (strcasecmp(Var, "SSLCertFile") == 0
1170 || strcasecmp(Var, "SSLDHFile") == 0
1171 || strcasecmp(Var, "SSLKeyFile") == 0
1172 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1173 || strcasecmp(Var, "SSLPorts") == 0) {
1174 Handle_SSL(Line, Var + 3, Arg);
1183 * Strip "no" prefix of a string.
1185 * TODO: This function and support for "NoXXX" should be removed starting
1186 * with ngIRCd release 19! (One release after marking it "deprecated").
1188 * @param str Pointer to input string starting with "no".
1189 * @returns New pointer to string without "no" prefix.
1192 NoNo(const char *str)
1194 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1199 * Invert "boolean" string.
1201 * TODO: This function and support for "NoXXX" should be removed starting
1202 * with ngIRCd release 19! (One release after marking it "deprecated").
1204 * @param arg "Boolean" input string.
1205 * @returns Pointer to inverted "boolean string".
1208 InvertArg(const char *arg)
1210 return yesno_to_str(!Check_ArgIsTrue(arg));
1214 * Handle variable in [Global] configuration section.
1216 * @param Line Line numer in configuration file.
1217 * @param Var Variable name.
1218 * @param Arg Variable argument.
1221 Handle_GLOBAL( int Line, char *Var, char *Arg )
1226 const char *section;
1229 assert(Var != NULL);
1230 assert(Arg != NULL);
1232 if (strcasecmp(Var, "Name") == 0) {
1233 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1234 if (len >= sizeof(Conf_ServerName))
1235 Config_Error_TooLong(Line, Var);
1238 if (strcasecmp(Var, "AdminInfo1") == 0) {
1239 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1240 if (len >= sizeof(Conf_ServerAdmin1))
1241 Config_Error_TooLong(Line, Var);
1244 if (strcasecmp(Var, "AdminInfo2") == 0) {
1245 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1246 if (len >= sizeof(Conf_ServerAdmin2))
1247 Config_Error_TooLong(Line, Var);
1250 if (strcasecmp(Var, "AdminEMail") == 0) {
1251 len = strlcpy(Conf_ServerAdminMail, Arg,
1252 sizeof(Conf_ServerAdminMail));
1253 if (len >= sizeof(Conf_ServerAdminMail))
1254 Config_Error_TooLong(Line, Var);
1257 if (strcasecmp(Var, "Info") == 0) {
1258 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1259 if (len >= sizeof(Conf_ServerInfo))
1260 Config_Error_TooLong(Line, Var);
1263 if (strcasecmp(Var, "Listen") == 0) {
1264 if (Conf_ListenAddress) {
1265 Config_Error(LOG_ERR,
1266 "Multiple Listen= options, ignoring: %s",
1270 Conf_ListenAddress = strdup_warn(Arg);
1271 /* If allocation fails, we're in trouble: we cannot ignore the
1272 * error -- otherwise ngircd would listen on all interfaces. */
1273 if (!Conf_ListenAddress) {
1274 Config_Error(LOG_ALERT,
1275 "%s exiting due to fatal errors!",
1281 if (strcasecmp(Var, "MotdFile") == 0) {
1282 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1283 if (len >= sizeof(Conf_MotdFile))
1284 Config_Error_TooLong(Line, Var);
1287 if (strcasecmp(Var, "MotdPhrase") == 0) {
1291 if (len >= LINE_LEN) {
1292 Config_Error_TooLong(Line, Var);
1295 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1296 Config_Error(LOG_WARNING,
1297 "%s, line %d: Could not append MotdPhrase: %s",
1298 NGIRCd_ConfFile, Line, strerror(errno));
1299 Using_MotdFile = false;
1302 if(strcasecmp(Var, "Password") == 0) {
1303 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1304 if (len >= sizeof(Conf_ServerPwd))
1305 Config_Error_TooLong(Line, Var);
1308 if (strcasecmp(Var, "PidFile") == 0) {
1309 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1310 if (len >= sizeof(Conf_PidFile))
1311 Config_Error_TooLong(Line, Var);
1314 if (strcasecmp(Var, "Ports") == 0) {
1315 ports_parse(&Conf_ListenPorts, Line, Arg);
1318 if (strcasecmp(Var, "ServerGID") == 0) {
1319 grp = getgrnam(Arg);
1321 Conf_GID = grp->gr_gid;
1323 Conf_GID = (unsigned int)atoi(Arg);
1324 if (!Conf_GID && strcmp(Arg, "0"))
1325 Config_Error(LOG_WARNING,
1326 "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
1327 NGIRCd_ConfFile, Line, Var);
1331 if (strcasecmp(Var, "ServerUID") == 0) {
1332 pwd = getpwnam(Arg);
1334 Conf_UID = pwd->pw_uid;
1336 Conf_UID = (unsigned int)atoi(Arg);
1337 if (!Conf_UID && strcmp(Arg, "0"))
1338 Config_Error(LOG_WARNING,
1339 "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
1340 NGIRCd_ConfFile, Line, Var);
1345 if (CheckLegacyNoOption(Var, Arg)) {
1346 /* TODO: This function and support for "NoXXX" could be
1347 * be removed starting with ngIRCd release 19 (one release
1348 * after marking it "deprecated"). */
1349 Config_Error(LOG_WARNING,
1350 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1351 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1352 if (strcasecmp(Var, "NoIdent") == 0)
1354 else if (strcasecmp(Var, "NoPam") == 0)
1358 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1359 /** TODO: This function and support for these options in the
1360 * [Global] section could be removed starting with ngIRCd
1361 * release 19 (one release after marking it "deprecated"). */
1362 if (strncasecmp(Var, "SSL", 3) == 0) {
1363 Config_Error(LOG_WARNING,
1364 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1365 NGIRCd_ConfFile, Line, Var, section,
1368 Config_Error(LOG_WARNING,
1369 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1370 NGIRCd_ConfFile, Line, Var, section);
1375 Config_Error_Section(Line, Var, "Global");
1379 * Handle variable in [Limits] configuration section.
1381 * @param Line Line numer in configuration file.
1382 * @param Var Variable name.
1383 * @param Arg Variable argument.
1386 Handle_LIMITS(int Line, char *Var, char *Arg)
1389 assert(Var != NULL);
1390 assert(Arg != NULL);
1392 if (strcasecmp(Var, "ConnectRetry") == 0) {
1393 Conf_ConnectRetry = atoi(Arg);
1394 if (Conf_ConnectRetry < 5) {
1395 Config_Error(LOG_WARNING,
1396 "%s, line %d: Value of \"ConnectRetry\" too low!",
1397 NGIRCd_ConfFile, Line);
1398 Conf_ConnectRetry = 5;
1402 if (strcasecmp(Var, "MaxConnections") == 0) {
1403 Conf_MaxConnections = atol(Arg);
1404 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1405 Config_Error_NaN(Line, Var);
1408 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1409 Conf_MaxConnectionsIP = atoi(Arg);
1410 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1411 Config_Error_NaN(Line, Var);
1414 if (strcasecmp(Var, "MaxJoins") == 0) {
1415 Conf_MaxJoins = atoi(Arg);
1416 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1417 Config_Error_NaN(Line, Var);
1420 if (strcasecmp(Var, "MaxNickLength") == 0) {
1421 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1424 if (strcasecmp(Var, "PingTimeout") == 0) {
1425 Conf_PingTimeout = atoi(Arg);
1426 if (Conf_PingTimeout < 5) {
1427 Config_Error(LOG_WARNING,
1428 "%s, line %d: Value of \"PingTimeout\" too low!",
1429 NGIRCd_ConfFile, Line);
1430 Conf_PingTimeout = 5;
1434 if (strcasecmp(Var, "PongTimeout") == 0) {
1435 Conf_PongTimeout = atoi(Arg);
1436 if (Conf_PongTimeout < 5) {
1437 Config_Error(LOG_WARNING,
1438 "%s, line %d: Value of \"PongTimeout\" too low!",
1439 NGIRCd_ConfFile, Line);
1440 Conf_PongTimeout = 5;
1445 Config_Error_Section(Line, Var, "Limits");
1449 * Handle variable in [Options] configuration section.
1451 * @param Line Line numer in configuration file.
1452 * @param Var Variable name.
1453 * @param Arg Variable argument.
1456 Handle_OPTIONS(int Line, char *Var, char *Arg)
1461 assert(Var != NULL);
1462 assert(Arg != NULL);
1464 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1465 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1468 if (strcasecmp(Var, "ChrootDir") == 0) {
1469 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1470 if (len >= sizeof(Conf_Chroot))
1471 Config_Error_TooLong(Line, Var);
1474 if (strcasecmp(Var, "CloakHost") == 0) {
1475 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1476 if (len >= sizeof(Conf_CloakHost))
1477 Config_Error_TooLong(Line, Var);
1480 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1481 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1484 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1485 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1489 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1490 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1493 if (strcasecmp(Var, "DNS") == 0) {
1494 Conf_DNS = Check_ArgIsTrue(Arg);
1497 if (strcasecmp(Var, "Ident") == 0) {
1498 Conf_Ident = Check_ArgIsTrue(Arg);
1502 if (strcasecmp(Var, "MorePrivacy") == 0) {
1503 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1506 if (strcasecmp(Var, "NoticeAuth") == 0) {
1507 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1510 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1511 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1514 if (strcasecmp(Var, "OperServerMode") == 0) {
1515 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1518 if (strcasecmp(Var, "PAM") == 0) {
1519 Conf_PAM = Check_ArgIsTrue(Arg);
1523 if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
1524 Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
1527 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1528 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1532 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1533 Conf_AuthPing = Check_ArgIsTrue(Arg);
1537 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1538 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1542 if (strcasecmp(Var, "SyslogFacility") == 0) {
1543 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1544 Conf_SyslogFacility);
1548 if (strcasecmp(Var, "WebircPassword") == 0) {
1549 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1550 if (len >= sizeof(Conf_WebircPwd))
1551 Config_Error_TooLong(Line, Var);
1555 Config_Error_Section(Line, Var, "Options");
1561 * Handle variable in [SSL] configuration section.
1563 * @param Line Line numer in configuration file.
1564 * @param Var Variable name.
1565 * @param Arg Variable argument.
1568 Handle_SSL(int Line, char *Var, char *Arg)
1571 assert(Var != NULL);
1572 assert(Arg != NULL);
1574 if (strcasecmp(Var, "CertFile") == 0) {
1575 assert(Conf_SSLOptions.CertFile == NULL);
1576 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1579 if (strcasecmp(Var, "DHFile") == 0) {
1580 assert(Conf_SSLOptions.DHFile == NULL);
1581 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1584 if (strcasecmp(Var, "KeyFile") == 0) {
1585 assert(Conf_SSLOptions.KeyFile == NULL);
1586 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1589 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1590 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1591 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1592 Config_Error(LOG_ERR,
1593 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1594 NGIRCd_ConfFile, Line, Var,
1598 if (strcasecmp(Var, "Ports") == 0) {
1599 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1603 Config_Error_Section(Line, Var, "SSL");
1609 * Handle variable in [Operator] configuration section.
1611 * @param Line Line numer in configuration file.
1612 * @param Var Variable name.
1613 * @param Arg Variable argument.
1616 Handle_OPERATOR( int Line, char *Var, char *Arg )
1619 struct Conf_Oper *op;
1622 assert( Var != NULL );
1623 assert( Arg != NULL );
1625 op = array_get(&Conf_Opers, sizeof(*op),
1626 array_length(&Conf_Opers, sizeof(*op)) - 1);
1630 if (strcasecmp(Var, "Name") == 0) {
1631 /* Name of IRC operator */
1632 len = strlcpy(op->name, Arg, sizeof(op->name));
1633 if (len >= sizeof(op->name))
1634 Config_Error_TooLong(Line, Var);
1637 if (strcasecmp(Var, "Password") == 0) {
1638 /* Password of IRC operator */
1639 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1640 if (len >= sizeof(op->pwd))
1641 Config_Error_TooLong(Line, Var);
1644 if (strcasecmp(Var, "Mask") == 0) {
1646 return; /* Hostname already configured */
1647 op->mask = strdup_warn( Arg );
1651 Config_Error_Section(Line, Var, "Operator");
1655 * Handle variable in [Server] configuration section.
1657 * @param Line Line numer in configuration file.
1658 * @param Var Variable name.
1659 * @param Arg Variable argument.
1662 Handle_SERVER( int Line, char *Var, char *Arg )
1668 assert( Var != NULL );
1669 assert( Arg != NULL );
1671 /* Ignore server block if no space is left in server configuration structure */
1672 if( New_Server_Idx <= NONE ) return;
1674 if( strcasecmp( Var, "Host" ) == 0 ) {
1675 /* Hostname of the server */
1676 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1677 if (len >= sizeof( New_Server.host ))
1678 Config_Error_TooLong ( Line, Var );
1681 if( strcasecmp( Var, "Name" ) == 0 ) {
1682 /* Name of the server ("Nick"/"ID") */
1683 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1684 if (len >= sizeof( New_Server.name ))
1685 Config_Error_TooLong( Line, Var );
1688 if (strcasecmp(Var, "Bind") == 0) {
1689 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1692 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1693 NGIRCd_ConfFile, Line, Arg);
1696 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1697 /* Password of this server which is sent to the peer */
1699 Config_Error(LOG_ERR,
1700 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1701 NGIRCd_ConfFile, Line);
1703 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1704 if (len >= sizeof( New_Server.pwd_in ))
1705 Config_Error_TooLong( Line, Var );
1708 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1709 /* Passwort of the peer which must be received */
1710 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1711 if (len >= sizeof( New_Server.pwd_out ))
1712 Config_Error_TooLong( Line, Var );
1715 if( strcasecmp( Var, "Port" ) == 0 ) {
1716 /* Port to which this server should connect */
1718 if (port >= 0 && port < 0xFFFF)
1719 New_Server.port = (UINT16)port;
1721 Config_Error(LOG_ERR,
1722 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1723 NGIRCd_ConfFile, Line, port );
1727 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1728 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1732 if( strcasecmp( Var, "Group" ) == 0 ) {
1734 New_Server.group = atoi( Arg );
1735 if (!New_Server.group && strcmp(Arg, "0"))
1736 Config_Error_NaN(Line, Var);
1739 if( strcasecmp( Var, "Passive" ) == 0 ) {
1740 if (Check_ArgIsTrue(Arg))
1741 New_Server.flags |= CONF_SFLAG_DISABLED;
1744 if (strcasecmp(Var, "ServiceMask") == 0) {
1745 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1746 sizeof(New_Server.svs_mask));
1747 if (len >= sizeof(New_Server.svs_mask))
1748 Config_Error_TooLong(Line, Var);
1752 Config_Error_Section(Line, Var, "Server");
1756 * Copy channel name into channel structure.
1758 * If the channel name is not valid because of a missing prefix ('#', '&'),
1759 * a default prefix of '#' will be added.
1761 * @param new_chan New already allocated channel structure.
1762 * @param name Name of the new channel.
1763 * @returns true on success, false otherwise.
1766 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1768 size_t size = sizeof(new_chan->name);
1769 char *dest = new_chan->name;
1771 if (!Channel_IsValidName(name)) {
1773 * maybe user forgot to add a '#'.
1774 * This is only here for user convenience.
1780 return size > strlcpy(dest, name, size);
1784 * Handle variable in [Channel] configuration section.
1786 * @param Line Line numer in configuration file.
1787 * @param Var Variable name.
1788 * @param Arg Variable argument.
1791 Handle_CHANNEL(int Line, char *Var, char *Arg)
1794 struct Conf_Channel *chan;
1797 assert( Var != NULL );
1798 assert( Arg != NULL );
1800 chan = array_get(&Conf_Channels, sizeof(*chan),
1801 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1805 if (strcasecmp(Var, "Name") == 0) {
1806 if (!Handle_Channelname(chan, Arg))
1807 Config_Error_TooLong(Line, Var);
1810 if (strcasecmp(Var, "Modes") == 0) {
1812 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1813 if (len >= sizeof(chan->modes))
1814 Config_Error_TooLong( Line, Var );
1817 if( strcasecmp( Var, "Topic" ) == 0 ) {
1819 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1820 if (len >= sizeof(chan->topic))
1821 Config_Error_TooLong( Line, Var );
1824 if( strcasecmp( Var, "Key" ) == 0 ) {
1825 /* Initial Channel Key (mode k) */
1826 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1827 if (len >= sizeof(chan->key))
1828 Config_Error_TooLong(Line, Var);
1831 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1832 /* maximum user limit, mode l */
1833 chan->maxusers = (unsigned long) atol(Arg);
1834 if (!chan->maxusers && strcmp(Arg, "0"))
1835 Config_Error_NaN(Line, Var);
1838 if (strcasecmp(Var, "KeyFile") == 0) {
1840 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1841 if (len >= sizeof(chan->keyfile))
1842 Config_Error_TooLong(Line, Var);
1846 Config_Error_Section(Line, Var, "Channel");
1850 * Validate server configuration.
1852 * Please note that this function uses exit(1) on fatal errors and therefore
1853 * can result in ngIRCd terminating!
1855 * @param Configtest true if the daemon has been called with "--configtest".
1856 * @param Rehash true if re-reading configuration on runtime.
1857 * @returns true if configuration is valid.
1860 Validate_Config(bool Configtest, bool Rehash)
1862 /* Validate configuration settings. */
1865 int i, servers, servers_once;
1867 bool config_valid = true;
1870 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1871 ptr = Conf_ServerName;
1873 if (*ptr >= 'a' && *ptr <= 'z') continue;
1874 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1875 if (*ptr >= '0' && *ptr <= '9') continue;
1876 if (ptr > Conf_ServerName) {
1877 if (*ptr == '.' || *ptr == '-')
1880 Conf_ServerName[0] = '\0';
1884 if (!Conf_ServerName[0]) {
1885 /* No server name configured! */
1886 config_valid = false;
1887 Config_Error(LOG_ALERT,
1888 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1890 if (!Configtest && !Rehash) {
1891 Config_Error(LOG_ALERT,
1892 "%s exiting due to fatal errors!",
1898 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1899 /* No dot in server name! */
1900 config_valid = false;
1901 Config_Error(LOG_ALERT,
1902 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1905 Config_Error(LOG_ALERT,
1906 "%s exiting due to fatal errors!",
1913 if (!Conf_ServerAdminMail[0]) {
1914 /* No administrative contact configured! */
1915 config_valid = false;
1916 Config_Error(LOG_ALERT,
1917 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1920 Config_Error(LOG_ALERT,
1921 "%s exiting due to fatal errors!",
1928 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1929 && !Conf_ServerAdminMail[0]) {
1930 /* No administrative information configured! */
1931 Config_Error(LOG_WARNING,
1932 "No administrative information configured but required by RFC!");
1936 if (Conf_ServerPwd[0])
1937 Config_Error(LOG_ERR,
1938 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
1942 servers = servers_once = 0;
1943 for (i = 0; i < MAX_SERVERS; i++) {
1944 if (Conf_Server[i].name[0]) {
1946 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1951 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
1952 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
1953 servers, servers_once,
1954 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
1957 return config_valid;
1961 * Output "line too long" warning.
1963 * @param Line Line number in configuration file.
1964 * @param Item Affected variable name.
1967 Config_Error_TooLong ( const int Line, const char *Item )
1969 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1973 * Output "unknown variable" warning.
1975 * @param Line Line number in configuration file.
1976 * @param Item Affected variable name.
1977 * @param Section Section name.
1980 Config_Error_Section(const int Line, const char *Item, const char *Section)
1982 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
1983 NGIRCd_ConfFile, Line, Section, Item);
1987 * Output "not a number" warning.
1989 * @param Line Line number in configuration file.
1990 * @param Item Affected variable name.
1993 Config_Error_NaN( const int Line, const char *Item )
1995 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
1996 NGIRCd_ConfFile, Line, Item );
2000 * Output configuration error to console and/or logfile.
2002 * On runtime, the normal log functions of the daemon are used. But when
2003 * testing the configuration ("--configtest"), all messages go directly
2006 * @param Level Severity level of the message.
2007 * @param Format Format string; see printf() function.
2010 static void Config_Error( const int Level, const char *Format, ... )
2012 static void Config_Error( Level, Format, va_alist )
2018 char msg[MAX_LOG_MSG_LEN];
2021 assert( Format != NULL );
2024 va_start( ap, Format );
2028 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2032 if (Level <= LOG_WARNING)
2033 printf(" - %s\n", msg);
2037 Log(Level, "%s", msg);
2043 * Dump internal state of the "configuration module".
2046 Conf_DebugDump(void)
2050 Log(LOG_DEBUG, "Configured servers:");
2051 for (i = 0; i < MAX_SERVERS; i++) {
2052 if (! Conf_Server[i].name[0])
2055 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2056 Conf_Server[i].name, Conf_Server[i].host,
2057 Conf_Server[i].port, Conf_Server[i].lasttry,
2058 Conf_Server[i].group, Conf_Server[i].flags,
2059 Conf_Server[i].conn_id);
2066 * Initialize server configuration structur to default values.
2068 * @param Server Pointer to server structure to initialize.
2071 Init_Server_Struct( CONF_SERVER *Server )
2073 assert( Server != NULL );
2075 memset( Server, 0, sizeof (CONF_SERVER) );
2077 Server->group = NONE;
2078 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2080 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2082 Proc_InitStruct(&Server->res_stat);
2083 Server->conn_id = NONE;
2084 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));