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 reserved for services on a particular server.
641 * @param ConfServer The server index to check.
642 * @param Nick The nick name to check.
643 * @returns true if the given nick name belongs to an "IRC service".
646 Conf_NickIsService(int ConfServer, const char *Nick)
648 assert (ConfServer >= 0);
649 assert (ConfServer < MAX_SERVERS);
651 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
655 * Initialize configuration settings with their default values.
658 Set_Defaults(bool InitServers)
661 char random[RANDOM_SALT_LEN + 1];
664 strcpy(Conf_ServerName, "");
665 strcpy(Conf_ServerAdmin1, "");
666 strcpy(Conf_ServerAdmin2, "");
667 strcpy(Conf_ServerAdminMail, "");
668 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
669 PACKAGE_NAME, PACKAGE_VERSION);
670 free(Conf_ListenAddress);
671 Conf_ListenAddress = NULL;
672 array_free(&Conf_Motd);
673 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
674 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
675 strcpy(Conf_ServerPwd, "");
676 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
677 Conf_UID = Conf_GID = 0;
680 Conf_ConnectRetry = 60;
681 Conf_MaxConnections = 0;
682 Conf_MaxConnectionsIP = 5;
684 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
685 Conf_PingTimeout = 120;
686 Conf_PongTimeout = 20;
689 Conf_AllowRemoteOper = false;
691 Conf_AuthPing = false;
693 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
694 strcpy(Conf_CloakHost, "");
695 strcpy(Conf_CloakHostModeX, "");
696 strcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN));
697 Conf_CloakUserToNick = false;
698 Conf_ConnectIPv4 = true;
700 Conf_ConnectIPv6 = true;
702 Conf_ConnectIPv6 = false;
710 Conf_MorePrivacy = false;
711 Conf_NoticeAuth = false;
712 Conf_OperCanMode = false;
713 Conf_OperServerMode = false;
719 Conf_PAMIsOptional = false;
720 Conf_PredefChannelsOnly = false;
722 Conf_ScrubCTCP = false;
724 Conf_SyslogFacility = LOG_LOCAL5;
726 Conf_SyslogFacility = 0;
730 /* Initialize server configuration structures */
732 for (i = 0; i < MAX_SERVERS;
733 Init_Server_Struct(&Conf_Server[i++]));
738 * Get number of configured listening ports.
740 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
745 size_t cnt = array_bytes(&Conf_ListenPorts);
747 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
753 * Read MOTD ("message of the day") file.
755 * @param filename Name of the file to read.
758 Read_Motd(const char *filename)
763 if (*filename == '\0')
766 fp = fopen(filename, "r");
768 Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
769 filename, strerror(errno));
773 array_free(&Conf_Motd);
774 Using_MotdFile = true;
776 while (fgets(line, (int)sizeof line, fp)) {
777 ngt_TrimLastChr( line, '\n');
779 /* add text including \0 */
780 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
781 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
789 * Read ngIRCd configuration file.
791 * Please note that this function uses exit(1) on fatal errors and therefore
792 * can result in ngIRCd terminating!
794 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
795 * @returns true when the configuration file has been read
796 * successfully; false otherwise.
799 Read_Config(bool TestOnly, bool IsStarting)
801 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
802 const UINT16 defaultport = 6667;
807 /* Open configuration file */
808 fd = fopen( NGIRCd_ConfFile, "r" );
810 /* No configuration file found! */
811 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
812 NGIRCd_ConfFile, strerror( errno ));
815 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
820 Set_Defaults(IsStarting);
823 Config_Error(LOG_INFO,
824 "Reading configuration from \"%s\" ...",
827 /* Clean up server configuration structure: mark all already
828 * configured servers as "once" so that they are deleted
829 * after the next disconnect and delete all unused servers.
830 * And delete all servers which are "duplicates" of servers
831 * that are already marked as "once" (such servers have been
832 * created by the last rehash but are now useless). */
833 for( i = 0; i < MAX_SERVERS; i++ ) {
834 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
836 /* This structure is in use ... */
837 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
838 /* Check for duplicates */
839 for( n = 0; n < MAX_SERVERS; n++ ) {
840 if( n == i ) continue;
842 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
843 Init_Server_Struct( &Conf_Server[n] );
845 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
851 /* Mark server as "once" */
852 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
853 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
858 /* Initialize variables */
860 strcpy( section, "" );
861 Init_Server_Struct( &New_Server );
862 New_Server_Idx = NONE;
866 /* Read configuration file */
868 if( ! fgets( str, LINE_LEN, fd )) break;
872 /* Skip comments and empty lines */
873 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
875 /* Is this the beginning of a new section? */
876 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
877 strlcpy( section, str, sizeof( section ));
878 if (strcasecmp(section, "[GLOBAL]") == 0
879 || strcasecmp(section, "[LIMITS]") == 0
880 || strcasecmp(section, "[OPTIONS]") == 0
882 || strcasecmp(section, "[SSL]") == 0
887 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
888 /* Check if there is already a server to add */
889 if( New_Server.name[0] ) {
890 /* Copy data to "real" server structure */
891 assert( New_Server_Idx > NONE );
892 Conf_Server[New_Server_Idx] = New_Server;
895 /* Re-init structure for new server */
896 Init_Server_Struct( &New_Server );
898 /* Search unused item in server configuration structure */
899 for( i = 0; i < MAX_SERVERS; i++ ) {
900 /* Is this item used? */
901 if( ! Conf_Server[i].name[0] ) break;
903 if( i >= MAX_SERVERS ) {
904 /* Oops, no free item found! */
905 Config_Error( LOG_ERR, "Too many servers configured." );
906 New_Server_Idx = NONE;
908 else New_Server_Idx = i;
912 if (strcasecmp(section, "[CHANNEL]") == 0) {
913 count = array_length(&Conf_Channels,
914 sizeof(struct Conf_Channel));
915 if (!array_alloc(&Conf_Channels,
916 sizeof(struct Conf_Channel),
918 Config_Error(LOG_ERR,
919 "Could not allocate memory for new operator (line %d)",
925 if (strcasecmp(section, "[OPERATOR]") == 0) {
926 count = array_length(&Conf_Opers,
927 sizeof(struct Conf_Oper));
928 if (!array_alloc(&Conf_Opers,
929 sizeof(struct Conf_Oper),
931 Config_Error(LOG_ERR,
932 "Could not allocate memory for new channel (line &d)",
938 Config_Error(LOG_ERR,
939 "%s, line %d: Unknown section \"%s\"!",
940 NGIRCd_ConfFile, line, section);
943 if( section[0] == 0x1 ) continue;
945 /* Split line into variable name and parameters */
946 ptr = strchr( str, '=' );
948 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
952 var = str; ngt_TrimStr( var );
953 arg = ptr + 1; ngt_TrimStr( arg );
955 if(strcasecmp(section, "[GLOBAL]") == 0)
956 Handle_GLOBAL(line, var, arg);
957 else if(strcasecmp(section, "[LIMITS]") == 0)
958 Handle_LIMITS(line, var, arg);
959 else if(strcasecmp(section, "[OPTIONS]") == 0)
960 Handle_OPTIONS(line, var, arg);
962 else if(strcasecmp(section, "[SSL]") == 0)
963 Handle_SSL(line, var, arg);
965 else if(strcasecmp(section, "[OPERATOR]") == 0)
966 Handle_OPERATOR(line, var, arg);
967 else if(strcasecmp(section, "[SERVER]") == 0)
968 Handle_SERVER(line, var, arg);
969 else if(strcasecmp(section, "[CHANNEL]") == 0)
970 Handle_CHANNEL(line, var, arg);
972 Config_Error(LOG_ERR,
973 "%s, line %d: Variable \"%s\" outside section!",
974 NGIRCd_ConfFile, line, var);
977 /* Close configuration file */
980 /* Check if there is still a server to add */
981 if( New_Server.name[0] ) {
982 /* Copy data to "real" server structure */
983 assert( New_Server_Idx > NONE );
984 Conf_Server[New_Server_Idx] = New_Server;
987 /* not a single listening port? Add default. */
988 if (no_listenports() &&
989 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
991 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
992 (unsigned int) defaultport, strerror(errno));
997 if (!Conf_ListenAddress)
998 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
1000 if (!Conf_ListenAddress) {
1001 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1005 /* No MOTD phrase configured? (re)try motd file. */
1006 if (array_bytes(&Conf_Motd) == 0)
1007 Read_Motd(Conf_MotdFile);
1010 /* Make sure that all SSL-related files are readable */
1011 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
1012 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
1013 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
1020 * Check whether a string argument is "true" or "false".
1022 * @param Arg Input string.
1023 * @returns true if the input string has been parsed as "yes", "true"
1024 * (case insensitive) or a non-zero integer value.
1027 Check_ArgIsTrue(const char *Arg)
1029 if (strcasecmp(Arg, "yes") == 0)
1031 if (strcasecmp(Arg, "true") == 0)
1040 * Handle setting of "MaxNickLength".
1042 * @param Line Line number in configuration file.
1043 * @raram Arg Input string.
1044 * @returns New configured maximum nick name length.
1047 Handle_MaxNickLength(int Line, const char *Arg)
1051 new = (unsigned) atoi(Arg) + 1;
1052 if (new > CLIENT_NICK_LEN) {
1053 Config_Error(LOG_WARNING,
1054 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1055 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1056 return CLIENT_NICK_LEN;
1059 Config_Error(LOG_WARNING,
1060 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1061 NGIRCd_ConfFile, Line);
1068 * Output a warning messages if IDENT is configured but not compiled in.
1071 WarnIdent(int UNUSED Line)
1075 /* user has enabled ident lookups explicitly, but ... */
1076 Config_Error(LOG_WARNING,
1077 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1078 NGIRCd_ConfFile, Line);
1084 * Output a warning messages if IPv6 is configured but not compiled in.
1087 WarnIPv6(int UNUSED Line)
1090 if (Conf_ConnectIPv6) {
1091 /* user has enabled IPv6 explicitly, but ... */
1092 Config_Error(LOG_WARNING,
1093 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1094 NGIRCd_ConfFile, Line);
1100 * Output a warning messages if PAM is configured but not compiled in.
1103 WarnPAM(int UNUSED Line)
1107 Config_Error(LOG_WARNING,
1108 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1109 NGIRCd_ConfFile, Line);
1115 * Handle legacy "NoXXX" options in [GLOBAL] section.
1117 * TODO: This function and support for "NoXXX" could be removed starting
1118 * with ngIRCd release 19 (one release after marking it "deprecated").
1120 * @param Var Variable name.
1121 * @param Arg Argument string.
1122 * @returns true if a NoXXX option has been processed; false otherwise.
1125 CheckLegacyNoOption(const char *Var, const char *Arg)
1127 if(strcasecmp(Var, "NoDNS") == 0) {
1128 Conf_DNS = !Check_ArgIsTrue( Arg );
1131 if (strcasecmp(Var, "NoIdent") == 0) {
1132 Conf_Ident = !Check_ArgIsTrue(Arg);
1135 if(strcasecmp(Var, "NoPAM") == 0) {
1136 Conf_PAM = !Check_ArgIsTrue(Arg);
1143 * Handle deprecated legacy options in [GLOBAL] section.
1145 * TODO: This function and support for these options in the [Global] section
1146 * could be removed starting with ngIRCd release 19 (one release after
1147 * marking it "deprecated").
1149 * @param Var Variable name.
1150 * @param Arg Argument string.
1151 * @returns true if a legacy option has been processed; false otherwise.
1154 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1156 if (strcasecmp(Var, "AllowRemoteOper") == 0
1157 || strcasecmp(Var, "ChrootDir") == 0
1158 || strcasecmp(Var, "ConnectIPv4") == 0
1159 || strcasecmp(Var, "ConnectIPv6") == 0
1160 || strcasecmp(Var, "OperCanUseMode") == 0
1161 || strcasecmp(Var, "OperServerMode") == 0
1162 || strcasecmp(Var, "PredefChannelsOnly") == 0
1163 || strcasecmp(Var, "SyslogFacility") == 0
1164 || strcasecmp(Var, "WebircPassword") == 0) {
1165 Handle_OPTIONS(Line, Var, Arg);
1168 if (strcasecmp(Var, "ConnectRetry") == 0
1169 || strcasecmp(Var, "MaxConnections") == 0
1170 || strcasecmp(Var, "MaxConnectionsIP") == 0
1171 || strcasecmp(Var, "MaxJoins") == 0
1172 || strcasecmp(Var, "MaxNickLength") == 0
1173 || strcasecmp(Var, "PingTimeout") == 0
1174 || strcasecmp(Var, "PongTimeout") == 0) {
1175 Handle_LIMITS(Line, Var, Arg);
1179 if (strcasecmp(Var, "SSLCertFile") == 0
1180 || strcasecmp(Var, "SSLDHFile") == 0
1181 || strcasecmp(Var, "SSLKeyFile") == 0
1182 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1183 || strcasecmp(Var, "SSLPorts") == 0) {
1184 Handle_SSL(Line, Var + 3, Arg);
1193 * Strip "no" prefix of a string.
1195 * TODO: This function and support for "NoXXX" should be removed starting
1196 * with ngIRCd release 19! (One release after marking it "deprecated").
1198 * @param str Pointer to input string starting with "no".
1199 * @returns New pointer to string without "no" prefix.
1202 NoNo(const char *str)
1204 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1209 * Invert "boolean" string.
1211 * TODO: This function and support for "NoXXX" should be removed starting
1212 * with ngIRCd release 19! (One release after marking it "deprecated").
1214 * @param arg "Boolean" input string.
1215 * @returns Pointer to inverted "boolean string".
1218 InvertArg(const char *arg)
1220 return yesno_to_str(!Check_ArgIsTrue(arg));
1224 * Handle variable in [Global] configuration section.
1226 * @param Line Line numer in configuration file.
1227 * @param Var Variable name.
1228 * @param Arg Variable argument.
1231 Handle_GLOBAL( int Line, char *Var, char *Arg )
1236 const char *section;
1239 assert(Var != NULL);
1240 assert(Arg != NULL);
1242 if (strcasecmp(Var, "Name") == 0) {
1243 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1244 if (len >= sizeof(Conf_ServerName))
1245 Config_Error_TooLong(Line, Var);
1248 if (strcasecmp(Var, "AdminInfo1") == 0) {
1249 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1250 if (len >= sizeof(Conf_ServerAdmin1))
1251 Config_Error_TooLong(Line, Var);
1254 if (strcasecmp(Var, "AdminInfo2") == 0) {
1255 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1256 if (len >= sizeof(Conf_ServerAdmin2))
1257 Config_Error_TooLong(Line, Var);
1260 if (strcasecmp(Var, "AdminEMail") == 0) {
1261 len = strlcpy(Conf_ServerAdminMail, Arg,
1262 sizeof(Conf_ServerAdminMail));
1263 if (len >= sizeof(Conf_ServerAdminMail))
1264 Config_Error_TooLong(Line, Var);
1267 if (strcasecmp(Var, "Info") == 0) {
1268 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1269 if (len >= sizeof(Conf_ServerInfo))
1270 Config_Error_TooLong(Line, Var);
1273 if (strcasecmp(Var, "Listen") == 0) {
1274 if (Conf_ListenAddress) {
1275 Config_Error(LOG_ERR,
1276 "Multiple Listen= options, ignoring: %s",
1280 Conf_ListenAddress = strdup_warn(Arg);
1281 /* If allocation fails, we're in trouble: we cannot ignore the
1282 * error -- otherwise ngircd would listen on all interfaces. */
1283 if (!Conf_ListenAddress) {
1284 Config_Error(LOG_ALERT,
1285 "%s exiting due to fatal errors!",
1291 if (strcasecmp(Var, "MotdFile") == 0) {
1292 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1293 if (len >= sizeof(Conf_MotdFile))
1294 Config_Error_TooLong(Line, Var);
1297 if (strcasecmp(Var, "MotdPhrase") == 0) {
1301 if (len >= LINE_LEN) {
1302 Config_Error_TooLong(Line, Var);
1305 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1306 Config_Error(LOG_WARNING,
1307 "%s, line %d: Could not append MotdPhrase: %s",
1308 NGIRCd_ConfFile, Line, strerror(errno));
1309 Using_MotdFile = false;
1312 if(strcasecmp(Var, "Password") == 0) {
1313 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1314 if (len >= sizeof(Conf_ServerPwd))
1315 Config_Error_TooLong(Line, Var);
1318 if (strcasecmp(Var, "PidFile") == 0) {
1319 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1320 if (len >= sizeof(Conf_PidFile))
1321 Config_Error_TooLong(Line, Var);
1324 if (strcasecmp(Var, "Ports") == 0) {
1325 ports_parse(&Conf_ListenPorts, Line, Arg);
1328 if (strcasecmp(Var, "ServerGID") == 0) {
1329 grp = getgrnam(Arg);
1331 Conf_GID = grp->gr_gid;
1333 Conf_GID = (unsigned int)atoi(Arg);
1334 if (!Conf_GID && strcmp(Arg, "0"))
1335 Config_Error(LOG_WARNING,
1336 "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
1337 NGIRCd_ConfFile, Line, Var);
1341 if (strcasecmp(Var, "ServerUID") == 0) {
1342 pwd = getpwnam(Arg);
1344 Conf_UID = pwd->pw_uid;
1346 Conf_UID = (unsigned int)atoi(Arg);
1347 if (!Conf_UID && strcmp(Arg, "0"))
1348 Config_Error(LOG_WARNING,
1349 "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
1350 NGIRCd_ConfFile, Line, Var);
1355 if (CheckLegacyNoOption(Var, Arg)) {
1356 /* TODO: This function and support for "NoXXX" could be
1357 * be removed starting with ngIRCd release 19 (one release
1358 * after marking it "deprecated"). */
1359 Config_Error(LOG_WARNING,
1360 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1361 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1362 if (strcasecmp(Var, "NoIdent") == 0)
1364 else if (strcasecmp(Var, "NoPam") == 0)
1368 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1369 /** TODO: This function and support for these options in the
1370 * [Global] section could be removed starting with ngIRCd
1371 * release 19 (one release after marking it "deprecated"). */
1372 if (strncasecmp(Var, "SSL", 3) == 0) {
1373 Config_Error(LOG_WARNING,
1374 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1375 NGIRCd_ConfFile, Line, Var, section,
1378 Config_Error(LOG_WARNING,
1379 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1380 NGIRCd_ConfFile, Line, Var, section);
1385 Config_Error_Section(Line, Var, "Global");
1389 * Handle variable in [Limits] configuration section.
1391 * @param Line Line numer in configuration file.
1392 * @param Var Variable name.
1393 * @param Arg Variable argument.
1396 Handle_LIMITS(int Line, char *Var, char *Arg)
1399 assert(Var != NULL);
1400 assert(Arg != NULL);
1402 if (strcasecmp(Var, "ConnectRetry") == 0) {
1403 Conf_ConnectRetry = atoi(Arg);
1404 if (Conf_ConnectRetry < 5) {
1405 Config_Error(LOG_WARNING,
1406 "%s, line %d: Value of \"ConnectRetry\" too low!",
1407 NGIRCd_ConfFile, Line);
1408 Conf_ConnectRetry = 5;
1412 if (strcasecmp(Var, "MaxConnections") == 0) {
1413 Conf_MaxConnections = atol(Arg);
1414 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1415 Config_Error_NaN(Line, Var);
1418 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1419 Conf_MaxConnectionsIP = atoi(Arg);
1420 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1421 Config_Error_NaN(Line, Var);
1424 if (strcasecmp(Var, "MaxJoins") == 0) {
1425 Conf_MaxJoins = atoi(Arg);
1426 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1427 Config_Error_NaN(Line, Var);
1430 if (strcasecmp(Var, "MaxNickLength") == 0) {
1431 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1434 if (strcasecmp(Var, "PingTimeout") == 0) {
1435 Conf_PingTimeout = atoi(Arg);
1436 if (Conf_PingTimeout < 5) {
1437 Config_Error(LOG_WARNING,
1438 "%s, line %d: Value of \"PingTimeout\" too low!",
1439 NGIRCd_ConfFile, Line);
1440 Conf_PingTimeout = 5;
1444 if (strcasecmp(Var, "PongTimeout") == 0) {
1445 Conf_PongTimeout = atoi(Arg);
1446 if (Conf_PongTimeout < 5) {
1447 Config_Error(LOG_WARNING,
1448 "%s, line %d: Value of \"PongTimeout\" too low!",
1449 NGIRCd_ConfFile, Line);
1450 Conf_PongTimeout = 5;
1455 Config_Error_Section(Line, Var, "Limits");
1459 * Handle variable in [Options] configuration section.
1461 * @param Line Line numer in configuration file.
1462 * @param Var Variable name.
1463 * @param Arg Variable argument.
1466 Handle_OPTIONS(int Line, char *Var, char *Arg)
1471 assert(Var != NULL);
1472 assert(Arg != NULL);
1474 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1475 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1478 if (strcasecmp(Var, "ChrootDir") == 0) {
1479 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1480 if (len >= sizeof(Conf_Chroot))
1481 Config_Error_TooLong(Line, Var);
1484 if (strcasecmp(Var, "CloakHost") == 0) {
1485 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1486 if (len >= sizeof(Conf_CloakHost))
1487 Config_Error_TooLong(Line, Var);
1490 if (strcasecmp(Var, "CloakHostModeX") == 0) {
1491 len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
1492 if (len >= sizeof(Conf_CloakHostModeX))
1493 Config_Error_TooLong(Line, Var);
1496 if (strcasecmp(Var, "CloakHostSalt") == 0) {
1497 len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
1498 if (len >= sizeof(Conf_CloakHostSalt))
1499 Config_Error_TooLong(Line, Var);
1502 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1503 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1506 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1507 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1511 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1512 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1515 if (strcasecmp(Var, "DNS") == 0) {
1516 Conf_DNS = Check_ArgIsTrue(Arg);
1519 if (strcasecmp(Var, "Ident") == 0) {
1520 Conf_Ident = Check_ArgIsTrue(Arg);
1524 if (strcasecmp(Var, "MorePrivacy") == 0) {
1525 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1528 if (strcasecmp(Var, "NoticeAuth") == 0) {
1529 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1532 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1533 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1536 if (strcasecmp(Var, "OperServerMode") == 0) {
1537 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1540 if (strcasecmp(Var, "PAM") == 0) {
1541 Conf_PAM = Check_ArgIsTrue(Arg);
1545 if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
1546 Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
1549 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1550 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1554 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1555 Conf_AuthPing = Check_ArgIsTrue(Arg);
1559 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1560 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1564 if (strcasecmp(Var, "SyslogFacility") == 0) {
1565 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1566 Conf_SyslogFacility);
1570 if (strcasecmp(Var, "WebircPassword") == 0) {
1571 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1572 if (len >= sizeof(Conf_WebircPwd))
1573 Config_Error_TooLong(Line, Var);
1577 Config_Error_Section(Line, Var, "Options");
1583 * Handle variable in [SSL] configuration section.
1585 * @param Line Line numer in configuration file.
1586 * @param Var Variable name.
1587 * @param Arg Variable argument.
1590 Handle_SSL(int Line, char *Var, char *Arg)
1593 assert(Var != NULL);
1594 assert(Arg != NULL);
1596 if (strcasecmp(Var, "CertFile") == 0) {
1597 assert(Conf_SSLOptions.CertFile == NULL);
1598 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1601 if (strcasecmp(Var, "DHFile") == 0) {
1602 assert(Conf_SSLOptions.DHFile == NULL);
1603 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1606 if (strcasecmp(Var, "KeyFile") == 0) {
1607 assert(Conf_SSLOptions.KeyFile == NULL);
1608 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1611 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1612 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1613 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1614 Config_Error(LOG_ERR,
1615 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1616 NGIRCd_ConfFile, Line, Var,
1620 if (strcasecmp(Var, "Ports") == 0) {
1621 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1625 Config_Error_Section(Line, Var, "SSL");
1631 * Handle variable in [Operator] configuration section.
1633 * @param Line Line numer in configuration file.
1634 * @param Var Variable name.
1635 * @param Arg Variable argument.
1638 Handle_OPERATOR( int Line, char *Var, char *Arg )
1641 struct Conf_Oper *op;
1644 assert( Var != NULL );
1645 assert( Arg != NULL );
1647 op = array_get(&Conf_Opers, sizeof(*op),
1648 array_length(&Conf_Opers, sizeof(*op)) - 1);
1652 if (strcasecmp(Var, "Name") == 0) {
1653 /* Name of IRC operator */
1654 len = strlcpy(op->name, Arg, sizeof(op->name));
1655 if (len >= sizeof(op->name))
1656 Config_Error_TooLong(Line, Var);
1659 if (strcasecmp(Var, "Password") == 0) {
1660 /* Password of IRC operator */
1661 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1662 if (len >= sizeof(op->pwd))
1663 Config_Error_TooLong(Line, Var);
1666 if (strcasecmp(Var, "Mask") == 0) {
1668 return; /* Hostname already configured */
1669 op->mask = strdup_warn( Arg );
1673 Config_Error_Section(Line, Var, "Operator");
1677 * Handle variable in [Server] configuration section.
1679 * @param Line Line numer in configuration file.
1680 * @param Var Variable name.
1681 * @param Arg Variable argument.
1684 Handle_SERVER( int Line, char *Var, char *Arg )
1690 assert( Var != NULL );
1691 assert( Arg != NULL );
1693 /* Ignore server block if no space is left in server configuration structure */
1694 if( New_Server_Idx <= NONE ) return;
1696 if( strcasecmp( Var, "Host" ) == 0 ) {
1697 /* Hostname of the server */
1698 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1699 if (len >= sizeof( New_Server.host ))
1700 Config_Error_TooLong ( Line, Var );
1703 if( strcasecmp( Var, "Name" ) == 0 ) {
1704 /* Name of the server ("Nick"/"ID") */
1705 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1706 if (len >= sizeof( New_Server.name ))
1707 Config_Error_TooLong( Line, Var );
1710 if (strcasecmp(Var, "Bind") == 0) {
1711 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1714 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1715 NGIRCd_ConfFile, Line, Arg);
1718 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1719 /* Password of this server which is sent to the peer */
1721 Config_Error(LOG_ERR,
1722 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1723 NGIRCd_ConfFile, Line);
1725 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1726 if (len >= sizeof( New_Server.pwd_in ))
1727 Config_Error_TooLong( Line, Var );
1730 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1731 /* Passwort of the peer which must be received */
1732 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1733 if (len >= sizeof( New_Server.pwd_out ))
1734 Config_Error_TooLong( Line, Var );
1737 if( strcasecmp( Var, "Port" ) == 0 ) {
1738 /* Port to which this server should connect */
1740 if (port >= 0 && port < 0xFFFF)
1741 New_Server.port = (UINT16)port;
1743 Config_Error(LOG_ERR,
1744 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1745 NGIRCd_ConfFile, Line, port );
1749 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1750 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1754 if( strcasecmp( Var, "Group" ) == 0 ) {
1756 New_Server.group = atoi( Arg );
1757 if (!New_Server.group && strcmp(Arg, "0"))
1758 Config_Error_NaN(Line, Var);
1761 if( strcasecmp( Var, "Passive" ) == 0 ) {
1762 if (Check_ArgIsTrue(Arg))
1763 New_Server.flags |= CONF_SFLAG_DISABLED;
1766 if (strcasecmp(Var, "ServiceMask") == 0) {
1767 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1768 sizeof(New_Server.svs_mask));
1769 if (len >= sizeof(New_Server.svs_mask))
1770 Config_Error_TooLong(Line, Var);
1774 Config_Error_Section(Line, Var, "Server");
1778 * Copy channel name into channel structure.
1780 * If the channel name is not valid because of a missing prefix ('#', '&'),
1781 * a default prefix of '#' will be added.
1783 * @param new_chan New already allocated channel structure.
1784 * @param name Name of the new channel.
1785 * @returns true on success, false otherwise.
1788 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1790 size_t size = sizeof(new_chan->name);
1791 char *dest = new_chan->name;
1793 if (!Channel_IsValidName(name)) {
1795 * maybe user forgot to add a '#'.
1796 * This is only here for user convenience.
1802 return size > strlcpy(dest, name, size);
1806 * Handle variable in [Channel] configuration section.
1808 * @param Line Line numer in configuration file.
1809 * @param Var Variable name.
1810 * @param Arg Variable argument.
1813 Handle_CHANNEL(int Line, char *Var, char *Arg)
1816 struct Conf_Channel *chan;
1819 assert( Var != NULL );
1820 assert( Arg != NULL );
1822 chan = array_get(&Conf_Channels, sizeof(*chan),
1823 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1827 if (strcasecmp(Var, "Name") == 0) {
1828 if (!Handle_Channelname(chan, Arg))
1829 Config_Error_TooLong(Line, Var);
1832 if (strcasecmp(Var, "Modes") == 0) {
1834 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1835 if (len >= sizeof(chan->modes))
1836 Config_Error_TooLong( Line, Var );
1839 if( strcasecmp( Var, "Topic" ) == 0 ) {
1841 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1842 if (len >= sizeof(chan->topic))
1843 Config_Error_TooLong( Line, Var );
1846 if( strcasecmp( Var, "Key" ) == 0 ) {
1847 /* Initial Channel Key (mode k) */
1848 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1849 if (len >= sizeof(chan->key))
1850 Config_Error_TooLong(Line, Var);
1853 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1854 /* maximum user limit, mode l */
1855 chan->maxusers = (unsigned long) atol(Arg);
1856 if (!chan->maxusers && strcmp(Arg, "0"))
1857 Config_Error_NaN(Line, Var);
1860 if (strcasecmp(Var, "KeyFile") == 0) {
1862 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1863 if (len >= sizeof(chan->keyfile))
1864 Config_Error_TooLong(Line, Var);
1868 Config_Error_Section(Line, Var, "Channel");
1872 * Validate server configuration.
1874 * Please note that this function uses exit(1) on fatal errors and therefore
1875 * can result in ngIRCd terminating!
1877 * @param Configtest true if the daemon has been called with "--configtest".
1878 * @param Rehash true if re-reading configuration on runtime.
1879 * @returns true if configuration is valid.
1882 Validate_Config(bool Configtest, bool Rehash)
1884 /* Validate configuration settings. */
1887 int i, servers, servers_once;
1889 bool config_valid = true;
1892 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1893 ptr = Conf_ServerName;
1895 if (*ptr >= 'a' && *ptr <= 'z') continue;
1896 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1897 if (*ptr >= '0' && *ptr <= '9') continue;
1898 if (ptr > Conf_ServerName) {
1899 if (*ptr == '.' || *ptr == '-')
1902 Conf_ServerName[0] = '\0';
1906 if (!Conf_ServerName[0]) {
1907 /* No server name configured! */
1908 config_valid = false;
1909 Config_Error(LOG_ALERT,
1910 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1912 if (!Configtest && !Rehash) {
1913 Config_Error(LOG_ALERT,
1914 "%s exiting due to fatal errors!",
1920 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1921 /* No dot in server name! */
1922 config_valid = false;
1923 Config_Error(LOG_ALERT,
1924 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1927 Config_Error(LOG_ALERT,
1928 "%s exiting due to fatal errors!",
1935 if (!Conf_ServerAdminMail[0]) {
1936 /* No administrative contact configured! */
1937 config_valid = false;
1938 Config_Error(LOG_ALERT,
1939 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1942 Config_Error(LOG_ALERT,
1943 "%s exiting due to fatal errors!",
1950 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1951 && !Conf_ServerAdminMail[0]) {
1952 /* No administrative information configured! */
1953 Config_Error(LOG_WARNING,
1954 "No administrative information configured but required by RFC!");
1958 if (Conf_ServerPwd[0])
1959 Config_Error(LOG_ERR,
1960 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
1964 servers = servers_once = 0;
1965 for (i = 0; i < MAX_SERVERS; i++) {
1966 if (Conf_Server[i].name[0]) {
1968 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1973 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
1974 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
1975 servers, servers_once,
1976 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
1979 return config_valid;
1983 * Output "line too long" warning.
1985 * @param Line Line number in configuration file.
1986 * @param Item Affected variable name.
1989 Config_Error_TooLong ( const int Line, const char *Item )
1991 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1995 * Output "unknown variable" warning.
1997 * @param Line Line number in configuration file.
1998 * @param Item Affected variable name.
1999 * @param Section Section name.
2002 Config_Error_Section(const int Line, const char *Item, const char *Section)
2004 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
2005 NGIRCd_ConfFile, Line, Section, Item);
2009 * Output "not a number" warning.
2011 * @param Line Line number in configuration file.
2012 * @param Item Affected variable name.
2015 Config_Error_NaN( const int Line, const char *Item )
2017 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
2018 NGIRCd_ConfFile, Line, Item );
2022 * Output configuration error to console and/or logfile.
2024 * On runtime, the normal log functions of the daemon are used. But when
2025 * testing the configuration ("--configtest"), all messages go directly
2028 * @param Level Severity level of the message.
2029 * @param Format Format string; see printf() function.
2032 static void Config_Error( const int Level, const char *Format, ... )
2034 static void Config_Error( Level, Format, va_alist )
2040 char msg[MAX_LOG_MSG_LEN];
2043 assert( Format != NULL );
2046 va_start( ap, Format );
2050 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2054 if (Level <= LOG_WARNING)
2055 printf(" - %s\n", msg);
2059 Log(Level, "%s", msg);
2065 * Dump internal state of the "configuration module".
2068 Conf_DebugDump(void)
2072 Log(LOG_DEBUG, "Configured servers:");
2073 for (i = 0; i < MAX_SERVERS; i++) {
2074 if (! Conf_Server[i].name[0])
2077 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2078 Conf_Server[i].name, Conf_Server[i].host,
2079 Conf_Server[i].port, Conf_Server[i].lasttry,
2080 Conf_Server[i].group, Conf_Server[i].flags,
2081 Conf_Server[i].conn_id);
2088 * Initialize server configuration structur to default values.
2090 * @param Server Pointer to server structure to initialize.
2093 Init_Server_Struct( CONF_SERVER *Server )
2095 assert( Server != NULL );
2097 memset( Server, 0, sizeof (CONF_SERVER) );
2099 Server->group = NONE;
2100 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2102 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2104 Proc_InitStruct(&Server->res_stat);
2105 Server->conn_id = NONE;
2106 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));