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)
35 #include <sys/types.h>
52 static bool Use_Log = true, Using_MotdFile = true;
53 static CONF_SERVER New_Server;
54 static int New_Server_Idx;
56 static char Conf_MotdFile[FNAME_LEN];
58 static void Set_Defaults PARAMS(( bool InitServers ));
59 static bool Read_Config PARAMS(( bool TestOnly, bool IsStarting ));
60 static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
62 static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
63 static void Handle_LIMITS PARAMS(( int Line, char *Var, char *Arg ));
64 static void Handle_OPTIONS PARAMS(( int Line, char *Var, char *Arg ));
65 static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg ));
66 static void Handle_SERVER PARAMS(( int Line, char *Var, char *Arg ));
67 static void Handle_CHANNEL PARAMS(( int Line, char *Var, char *Arg ));
69 static void Config_Error PARAMS(( const int Level, const char *Format, ... ));
71 static void Config_Error_NaN PARAMS(( const int LINE, const char *Value ));
72 static void Config_Error_Section PARAMS(( const int Line, const char *Item,
73 const char *Section ));
74 static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value ));
76 static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
80 #define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
82 #define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
88 static void Handle_SSL PARAMS(( int Line, char *Var, char *Ark ));
90 struct SSLOptions Conf_SSLOptions;
93 * Initialize SSL configuration.
98 free(Conf_SSLOptions.KeyFile);
99 Conf_SSLOptions.KeyFile = NULL;
101 free(Conf_SSLOptions.CertFile);
102 Conf_SSLOptions.CertFile = NULL;
104 free(Conf_SSLOptions.DHFile);
105 Conf_SSLOptions.DHFile = NULL;
106 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
108 array_free(&Conf_SSLOptions.ListenPorts);
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 = %d\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(" MaxListSize = %d\n", Conf_MaxListSize);
354 printf(" PingTimeout = %d\n", Conf_PingTimeout);
355 printf(" PongTimeout = %d\n", Conf_PongTimeout);
359 printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
360 printf(" ChrootDir = %s\n", Conf_Chroot);
361 printf(" CloakHost = %s\n", Conf_CloakHost);
362 printf(" CloakHostModeX = %s\n", Conf_CloakHostModeX);
363 printf(" CloakHostSalt = %s\n", Conf_CloakHostSalt);
364 printf(" CloakUserToNick = %s\n", yesno_to_str(Conf_CloakUserToNick));
366 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
367 printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
369 printf(" DNS = %s\n", yesno_to_str(Conf_DNS));
371 printf(" Ident = %s\n", yesno_to_str(Conf_Ident));
373 printf(" MorePrivacy = %s\n", yesno_to_str(Conf_MorePrivacy));
374 printf(" NoticeAuth = %s\n", yesno_to_str(Conf_NoticeAuth));
375 printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
376 printf(" OperChanPAutoOp = %s\n", yesno_to_str(Conf_OperChanPAutoOp));
377 printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
379 printf(" PAM = %s\n", yesno_to_str(Conf_PAM));
380 printf(" PAMIsOptional = %s\n", yesno_to_str(Conf_PAMIsOptional));
382 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
384 printf(" RequireAuthPing = %s\n", yesno_to_str(Conf_AuthPing));
386 printf(" ScrubCTCP = %s\n", yesno_to_str(Conf_ScrubCTCP));
388 printf(" SyslogFacility = %s\n",
389 ngt_SyslogFacilityName(Conf_SyslogFacility));
391 printf(" WebircPassword = %s\n", Conf_WebircPwd);
396 printf(" CertFile = %s\n", Conf_SSLOptions.CertFile
397 ? Conf_SSLOptions.CertFile : "");
398 printf(" DHFile = %s\n", Conf_SSLOptions.DHFile
399 ? Conf_SSLOptions.DHFile : "");
400 printf(" KeyFile = %s\n", Conf_SSLOptions.KeyFile
401 ? Conf_SSLOptions.KeyFile : "");
402 if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
403 puts(" KeyFilePassword = <secret>");
405 puts(" KeyFilePassword = ");
406 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
408 ports_puts(&Conf_SSLOptions.ListenPorts);
414 for( i = 0; i < MAX_SERVERS; i++ ) {
415 if( ! Conf_Server[i].name[0] ) continue;
417 /* Valid "Server" section */
419 printf( " Name = %s\n", Conf_Server[i].name );
420 printf( " Host = %s\n", Conf_Server[i].host );
421 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
423 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
425 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
426 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
427 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
428 printf( " Group = %d\n", Conf_Server[i].group );
429 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
432 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
433 predef_chan = array_start(&Conf_Channels);
435 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
436 if (!predef_chan->name[0])
439 /* Valid "Channel" section */
441 printf(" Name = %s\n", predef_chan->name);
442 printf(" Modes = %s\n", predef_chan->modes);
443 printf(" Key = %s\n", predef_chan->key);
444 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
445 printf(" Topic = %s\n", predef_chan->topic);
446 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
449 return (config_valid ? 0 : 1);
453 * Remove connection information from configured server.
455 * If the server is set as "once", delete it from our configuration;
456 * otherwise set the time for the next connection attempt.
458 * Non-server connections will be silently ignored.
461 Conf_UnsetServer( CONN_ID Idx )
466 /* Check all our configured servers */
467 for( i = 0; i < MAX_SERVERS; i++ ) {
468 if( Conf_Server[i].conn_id != Idx ) continue;
470 /* Gotcha! Mark server configuration as "unused": */
471 Conf_Server[i].conn_id = NONE;
473 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
474 /* Delete configuration here */
475 Init_Server_Struct( &Conf_Server[i] );
477 /* Set time for next connect attempt */
479 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
480 /* The connection has been "long", so we don't
481 * require the next attempt to be delayed. */
482 Conf_Server[i].lasttry =
483 t - Conf_ConnectRetry + RECONNECT_DELAY;
485 /* "Short" connection, enforce "ConnectRetry"
486 * but randomize it a little bit: 15 seconds. */
487 Conf_Server[i].lasttry =
488 t + rand() / (RAND_MAX / 15);
495 * Set connection information for specified configured server.
498 Conf_SetServer( int ConfServer, CONN_ID Idx )
500 assert( ConfServer > NONE );
501 assert( Idx > NONE );
503 if (Conf_Server[ConfServer].conn_id > NONE &&
504 Conf_Server[ConfServer].conn_id != Idx) {
506 "Connection %d: Server configuration of \"%s\" already in use by connection %d!",
507 Idx, Conf_Server[ConfServer].name,
508 Conf_Server[ConfServer].conn_id);
509 Conn_Close(Idx, NULL, "Server configuration already in use", true);
512 Conf_Server[ConfServer].conn_id = Idx;
517 * Get index of server in configuration structure.
520 Conf_GetServer( CONN_ID Idx )
524 assert( Idx > NONE );
526 for( i = 0; i < MAX_SERVERS; i++ ) {
527 if( Conf_Server[i].conn_id == Idx ) return i;
533 * Enable a server by name and adjust its port number.
535 * @returns true if a server has been enabled and now has a valid port
536 * number and host name for outgoing connections.
539 Conf_EnableServer( const char *Name, UINT16 Port )
543 assert( Name != NULL );
544 for( i = 0; i < MAX_SERVERS; i++ ) {
545 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
546 /* Gotcha! Set port and enable server: */
547 Conf_Server[i].port = Port;
548 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
549 return (Conf_Server[i].port && Conf_Server[i].host[0]);
556 * Enable a server by name.
558 * The server is only usable as outgoing server, if it has set a valid port
559 * number for outgoing connections!
560 * If not, you have to use Conf_EnableServer() function to make it available.
562 * @returns true if a server has been enabled; false otherwise.
565 Conf_EnablePassiveServer(const char *Name)
569 assert( Name != NULL );
570 for (i = 0; i < MAX_SERVERS; i++) {
571 if ((strcasecmp( Conf_Server[i].name, Name ) == 0)
572 && (Conf_Server[i].port > 0)) {
573 /* BINGO! Enable server */
574 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
582 * Disable a server by name.
583 * An already established connection will be disconnected.
585 * @returns true if a server was found and has been disabled.
588 Conf_DisableServer( const char *Name )
592 assert( Name != NULL );
593 for( i = 0; i < MAX_SERVERS; i++ ) {
594 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
595 /* Gotcha! Disable and disconnect server: */
596 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
597 if( Conf_Server[i].conn_id > NONE )
598 Conn_Close(Conf_Server[i].conn_id, NULL,
599 "Server link terminated on operator request",
608 * Add a new remote server to our configuration.
610 * @param Name Name of the new server.
611 * @param Port Port number to connect to or 0 for incoming connections.
612 * @param Host Host name to connect to.
613 * @param MyPwd Password that will be sent to the peer.
614 * @param PeerPwd Password that must be received from the peer.
615 * @returns true if the new server has been added; false otherwise.
618 Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
619 const char *MyPwd, const char *PeerPwd)
623 assert( Name != NULL );
624 assert( Host != NULL );
625 assert( MyPwd != NULL );
626 assert( PeerPwd != NULL );
628 /* Search unused item in server configuration structure */
629 for( i = 0; i < MAX_SERVERS; i++ ) {
630 /* Is this item used? */
631 if( ! Conf_Server[i].name[0] ) break;
633 if( i >= MAX_SERVERS ) return false;
635 Init_Server_Struct( &Conf_Server[i] );
636 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
637 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
638 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
639 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
640 Conf_Server[i].port = Port;
641 Conf_Server[i].flags = CONF_SFLAG_ONCE;
647 * Check if the given nickname is reserved for services on a particular server.
649 * @param ConfServer The server index to check.
650 * @param Nick The nickname to check.
651 * @returns true if the given nickname belongs to an "IRC service".
654 Conf_NickIsService(int ConfServer, const char *Nick)
656 assert (ConfServer >= 0);
657 assert (ConfServer < MAX_SERVERS);
659 return MatchCaseInsensitiveList(Conf_Server[ConfServer].svs_mask,
664 * Check if the given nickname is blocked for "normal client" use.
666 * @param ConfServer The server index or NONE to check all configured servers.
667 * @param Nick The nickname to check.
668 * @returns true if the given nickname belongs to an "IRC service".
671 Conf_NickIsBlocked(const char *Nick)
675 for(i = 0; i < MAX_SERVERS; i++) {
676 if (!Conf_Server[i].name[0])
678 if (Conf_NickIsService(i, Nick))
685 * Initialize configuration settings with their default values.
688 Set_Defaults(bool InitServers)
691 char random[RANDOM_SALT_LEN + 1];
694 strcpy(Conf_ServerName, "");
695 strcpy(Conf_ServerAdmin1, "");
696 strcpy(Conf_ServerAdmin2, "");
697 strcpy(Conf_ServerAdminMail, "");
698 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
699 PACKAGE_NAME, PACKAGE_VERSION);
700 free(Conf_ListenAddress);
701 Conf_ListenAddress = NULL;
702 array_free(&Conf_ListenPorts);
703 array_free(&Conf_Motd);
704 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
705 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
706 strcpy(Conf_ServerPwd, "");
707 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
708 Conf_UID = Conf_GID = 0;
711 Conf_ConnectRetry = 60;
712 Conf_MaxConnections = 0;
713 Conf_MaxConnectionsIP = 5;
715 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
716 Conf_MaxListSize = 100;
717 Conf_PingTimeout = 120;
718 Conf_PongTimeout = 20;
721 Conf_AllowRemoteOper = false;
723 Conf_AuthPing = false;
725 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
726 strcpy(Conf_CloakHost, "");
727 strcpy(Conf_CloakHostModeX, "");
728 strlcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN),
729 sizeof(Conf_CloakHostSalt));
730 Conf_CloakUserToNick = false;
731 Conf_ConnectIPv4 = true;
733 Conf_ConnectIPv6 = true;
735 Conf_ConnectIPv6 = false;
743 Conf_MorePrivacy = false;
744 Conf_NoticeAuth = false;
745 Conf_OperCanMode = false;
746 Conf_OperChanPAutoOp = true;
747 Conf_OperServerMode = false;
753 Conf_PAMIsOptional = false;
754 Conf_PredefChannelsOnly = false;
756 Conf_ScrubCTCP = false;
758 Conf_SyslogFacility = LOG_LOCAL5;
760 Conf_SyslogFacility = 0;
764 /* Initialize server configuration structures */
766 for (i = 0; i < MAX_SERVERS;
767 Init_Server_Struct(&Conf_Server[i++]));
772 * Get number of configured listening ports.
774 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
779 size_t cnt = array_bytes(&Conf_ListenPorts);
781 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
787 * Read contents of a text file into an array.
789 * This function is used to read the MOTD and help text file, for exampe.
791 * @param filename Name of the file to read.
792 * @return true, when the file has been read in.
795 Read_TextFile(const char *Filename, const char *Name, array *Destination)
801 if (*Filename == '\0')
804 fp = fopen(Filename, "r");
806 Config_Error(LOG_WARNING, "Can't read %s file \"%s\": %s",
807 Name, Filename, strerror(errno));
811 array_free(Destination);
812 while (fgets(line, (int)sizeof line, fp)) {
813 ngt_TrimLastChr(line, '\n');
815 /* add text including \0 */
816 if (!array_catb(Destination, line, strlen(line) + 1)) {
817 Log(LOG_WARNING, "Cannot read/add \"%s\", line %d: %s",
818 Filename, line_no, strerror(errno));
828 * Read ngIRCd configuration file.
830 * Please note that this function uses exit(1) on fatal errors and therefore
831 * can result in ngIRCd terminating!
833 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
834 * @returns true when the configuration file has been read
835 * successfully; false otherwise.
838 Read_Config(bool TestOnly, bool IsStarting)
840 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
841 const UINT16 defaultport = 6667;
846 /* Open configuration file */
847 fd = fopen( NGIRCd_ConfFile, "r" );
849 /* No configuration file found! */
850 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
851 NGIRCd_ConfFile, strerror( errno ));
854 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
859 Set_Defaults(IsStarting);
862 Config_Error(LOG_INFO,
863 "Reading configuration from \"%s\" ...",
866 /* Clean up server configuration structure: mark all already
867 * configured servers as "once" so that they are deleted
868 * after the next disconnect and delete all unused servers.
869 * And delete all servers which are "duplicates" of servers
870 * that are already marked as "once" (such servers have been
871 * created by the last rehash but are now useless). */
872 for( i = 0; i < MAX_SERVERS; i++ ) {
873 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
875 /* This structure is in use ... */
876 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
877 /* Check for duplicates */
878 for( n = 0; n < MAX_SERVERS; n++ ) {
879 if( n == i ) continue;
881 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
882 Init_Server_Struct( &Conf_Server[n] );
884 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
890 /* Mark server as "once" */
891 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
892 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
897 /* Initialize variables */
899 strcpy( section, "" );
900 Init_Server_Struct( &New_Server );
901 New_Server_Idx = NONE;
905 /* Read configuration file */
907 if( ! fgets( str, LINE_LEN, fd )) break;
911 /* Skip comments and empty lines */
912 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
914 /* Is this the beginning of a new section? */
915 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
916 strlcpy( section, str, sizeof( section ));
917 if (strcasecmp(section, "[GLOBAL]") == 0
918 || strcasecmp(section, "[LIMITS]") == 0
919 || strcasecmp(section, "[OPTIONS]") == 0
921 || strcasecmp(section, "[SSL]") == 0
926 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
927 /* Check if there is already a server to add */
928 if( New_Server.name[0] ) {
929 /* Copy data to "real" server structure */
930 assert( New_Server_Idx > NONE );
931 Conf_Server[New_Server_Idx] = New_Server;
934 /* Re-init structure for new server */
935 Init_Server_Struct( &New_Server );
937 /* Search unused item in server configuration structure */
938 for( i = 0; i < MAX_SERVERS; i++ ) {
939 /* Is this item used? */
940 if( ! Conf_Server[i].name[0] ) break;
942 if( i >= MAX_SERVERS ) {
943 /* Oops, no free item found! */
944 Config_Error( LOG_ERR, "Too many servers configured." );
945 New_Server_Idx = NONE;
947 else New_Server_Idx = i;
951 if (strcasecmp(section, "[CHANNEL]") == 0) {
952 count = array_length(&Conf_Channels,
953 sizeof(struct Conf_Channel));
954 if (!array_alloc(&Conf_Channels,
955 sizeof(struct Conf_Channel),
957 Config_Error(LOG_ERR,
958 "Could not allocate memory for new operator (line %d)",
964 if (strcasecmp(section, "[OPERATOR]") == 0) {
965 count = array_length(&Conf_Opers,
966 sizeof(struct Conf_Oper));
967 if (!array_alloc(&Conf_Opers,
968 sizeof(struct Conf_Oper),
970 Config_Error(LOG_ERR,
971 "Could not allocate memory for new channel (line &d)",
977 Config_Error(LOG_ERR,
978 "%s, line %d: Unknown section \"%s\"!",
979 NGIRCd_ConfFile, line, section);
982 if( section[0] == 0x1 ) continue;
984 /* Split line into variable name and parameters */
985 ptr = strchr( str, '=' );
987 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
991 var = str; ngt_TrimStr( var );
992 arg = ptr + 1; ngt_TrimStr( arg );
994 if(strcasecmp(section, "[GLOBAL]") == 0)
995 Handle_GLOBAL(line, var, arg);
996 else if(strcasecmp(section, "[LIMITS]") == 0)
997 Handle_LIMITS(line, var, arg);
998 else if(strcasecmp(section, "[OPTIONS]") == 0)
999 Handle_OPTIONS(line, var, arg);
1001 else if(strcasecmp(section, "[SSL]") == 0)
1002 Handle_SSL(line, var, arg);
1004 else if(strcasecmp(section, "[OPERATOR]") == 0)
1005 Handle_OPERATOR(line, var, arg);
1006 else if(strcasecmp(section, "[SERVER]") == 0)
1007 Handle_SERVER(line, var, arg);
1008 else if(strcasecmp(section, "[CHANNEL]") == 0)
1009 Handle_CHANNEL(line, var, arg);
1011 Config_Error(LOG_ERR,
1012 "%s, line %d: Variable \"%s\" outside section!",
1013 NGIRCd_ConfFile, line, var);
1016 /* Close configuration file */
1019 /* Check if there is still a server to add */
1020 if( New_Server.name[0] ) {
1021 /* Copy data to "real" server structure */
1022 assert( New_Server_Idx > NONE );
1023 Conf_Server[New_Server_Idx] = New_Server;
1026 /* not a single listening port? Add default. */
1027 if (no_listenports() &&
1028 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
1030 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
1031 (unsigned int) defaultport, strerror(errno));
1036 if (!Conf_ListenAddress)
1037 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
1039 if (!Conf_ListenAddress) {
1040 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1044 /* No MOTD phrase configured? (re)try motd file. */
1045 if (array_bytes(&Conf_Motd) == 0) {
1046 if (Read_TextFile(Conf_MotdFile, "MOTD", &Conf_Motd))
1047 Using_MotdFile = true;
1051 /* Make sure that all SSL-related files are readable */
1052 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
1053 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
1054 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
1061 * Check whether a string argument is "true" or "false".
1063 * @param Arg Input string.
1064 * @returns true if the input string has been parsed as "yes", "true"
1065 * (case insensitive) or a non-zero integer value.
1068 Check_ArgIsTrue(const char *Arg)
1070 if (strcasecmp(Arg, "yes") == 0)
1072 if (strcasecmp(Arg, "true") == 0)
1081 * Handle setting of "MaxNickLength".
1083 * @param Line Line number in configuration file.
1084 * @raram Arg Input string.
1085 * @returns New configured maximum nickname length.
1088 Handle_MaxNickLength(int Line, const char *Arg)
1092 new = (unsigned) atoi(Arg) + 1;
1093 if (new > CLIENT_NICK_LEN) {
1094 Config_Error(LOG_WARNING,
1095 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1096 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1097 return CLIENT_NICK_LEN;
1100 Config_Error(LOG_WARNING,
1101 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1102 NGIRCd_ConfFile, Line);
1109 * Output a warning messages if IDENT is configured but not compiled in.
1112 WarnIdent(int UNUSED Line)
1116 /* user has enabled ident lookups explicitly, but ... */
1117 Config_Error(LOG_WARNING,
1118 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1119 NGIRCd_ConfFile, Line);
1125 * Output a warning messages if IPv6 is configured but not compiled in.
1128 WarnIPv6(int UNUSED Line)
1131 if (Conf_ConnectIPv6) {
1132 /* user has enabled IPv6 explicitly, but ... */
1133 Config_Error(LOG_WARNING,
1134 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1135 NGIRCd_ConfFile, Line);
1141 * Output a warning messages if PAM is configured but not compiled in.
1144 WarnPAM(int UNUSED Line)
1148 Config_Error(LOG_WARNING,
1149 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1150 NGIRCd_ConfFile, Line);
1156 * Handle legacy "NoXXX" options in [GLOBAL] section.
1158 * TODO: This function and support for "NoXXX" could be removed starting
1159 * with ngIRCd release 19 (one release after marking it "deprecated").
1161 * @param Var Variable name.
1162 * @param Arg Argument string.
1163 * @returns true if a NoXXX option has been processed; false otherwise.
1166 CheckLegacyNoOption(const char *Var, const char *Arg)
1168 if(strcasecmp(Var, "NoDNS") == 0) {
1169 Conf_DNS = !Check_ArgIsTrue( Arg );
1172 if (strcasecmp(Var, "NoIdent") == 0) {
1173 Conf_Ident = !Check_ArgIsTrue(Arg);
1176 if(strcasecmp(Var, "NoPAM") == 0) {
1177 Conf_PAM = !Check_ArgIsTrue(Arg);
1184 * Handle deprecated legacy options in [GLOBAL] section.
1186 * TODO: This function and support for these options in the [Global] section
1187 * could be removed starting with ngIRCd release 19 (one release after
1188 * marking it "deprecated").
1190 * @param Var Variable name.
1191 * @param Arg Argument string.
1192 * @returns true if a legacy option has been processed; false otherwise.
1195 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1197 if (strcasecmp(Var, "AllowRemoteOper") == 0
1198 || strcasecmp(Var, "ChrootDir") == 0
1199 || strcasecmp(Var, "ConnectIPv4") == 0
1200 || strcasecmp(Var, "ConnectIPv6") == 0
1201 || strcasecmp(Var, "OperCanUseMode") == 0
1202 || strcasecmp(Var, "OperChanPAutoOp") == 0
1203 || strcasecmp(Var, "OperServerMode") == 0
1204 || strcasecmp(Var, "PredefChannelsOnly") == 0
1205 || strcasecmp(Var, "SyslogFacility") == 0
1206 || strcasecmp(Var, "WebircPassword") == 0) {
1207 Handle_OPTIONS(Line, Var, Arg);
1210 if (strcasecmp(Var, "ConnectRetry") == 0
1211 || strcasecmp(Var, "MaxConnections") == 0
1212 || strcasecmp(Var, "MaxConnectionsIP") == 0
1213 || strcasecmp(Var, "MaxJoins") == 0
1214 || strcasecmp(Var, "MaxNickLength") == 0
1215 || strcasecmp(Var, "PingTimeout") == 0
1216 || strcasecmp(Var, "PongTimeout") == 0) {
1217 Handle_LIMITS(Line, Var, Arg);
1221 if (strcasecmp(Var, "SSLCertFile") == 0
1222 || strcasecmp(Var, "SSLDHFile") == 0
1223 || strcasecmp(Var, "SSLKeyFile") == 0
1224 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1225 || strcasecmp(Var, "SSLPorts") == 0) {
1226 Handle_SSL(Line, Var + 3, Arg);
1235 * Strip "no" prefix of a string.
1237 * TODO: This function and support for "NoXXX" should be removed starting
1238 * with ngIRCd release 19! (One release after marking it "deprecated").
1240 * @param str Pointer to input string starting with "no".
1241 * @returns New pointer to string without "no" prefix.
1244 NoNo(const char *str)
1246 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1251 * Invert "boolean" string.
1253 * TODO: This function and support for "NoXXX" should be removed starting
1254 * with ngIRCd release 19! (One release after marking it "deprecated").
1256 * @param arg "Boolean" input string.
1257 * @returns Pointer to inverted "boolean string".
1260 InvertArg(const char *arg)
1262 return yesno_to_str(!Check_ArgIsTrue(arg));
1266 * Handle variable in [Global] configuration section.
1268 * @param Line Line numer in configuration file.
1269 * @param Var Variable name.
1270 * @param Arg Variable argument.
1273 Handle_GLOBAL( int Line, char *Var, char *Arg )
1278 const char *section;
1281 assert(Var != NULL);
1282 assert(Arg != NULL);
1284 if (strcasecmp(Var, "Name") == 0) {
1285 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1286 if (len >= sizeof(Conf_ServerName))
1287 Config_Error_TooLong(Line, Var);
1290 if (strcasecmp(Var, "AdminInfo1") == 0) {
1291 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1292 if (len >= sizeof(Conf_ServerAdmin1))
1293 Config_Error_TooLong(Line, Var);
1296 if (strcasecmp(Var, "AdminInfo2") == 0) {
1297 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1298 if (len >= sizeof(Conf_ServerAdmin2))
1299 Config_Error_TooLong(Line, Var);
1302 if (strcasecmp(Var, "AdminEMail") == 0) {
1303 len = strlcpy(Conf_ServerAdminMail, Arg,
1304 sizeof(Conf_ServerAdminMail));
1305 if (len >= sizeof(Conf_ServerAdminMail))
1306 Config_Error_TooLong(Line, Var);
1309 if (strcasecmp(Var, "Info") == 0) {
1310 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1311 if (len >= sizeof(Conf_ServerInfo))
1312 Config_Error_TooLong(Line, Var);
1315 if (strcasecmp(Var, "Listen") == 0) {
1316 if (Conf_ListenAddress) {
1317 Config_Error(LOG_ERR,
1318 "Multiple Listen= options, ignoring: %s",
1322 Conf_ListenAddress = strdup_warn(Arg);
1323 /* If allocation fails, we're in trouble: we cannot ignore the
1324 * error -- otherwise ngircd would listen on all interfaces. */
1325 if (!Conf_ListenAddress) {
1326 Config_Error(LOG_ALERT,
1327 "%s exiting due to fatal errors!",
1333 if (strcasecmp(Var, "MotdFile") == 0) {
1334 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1335 if (len >= sizeof(Conf_MotdFile))
1336 Config_Error_TooLong(Line, Var);
1339 if (strcasecmp(Var, "MotdPhrase") == 0) {
1343 if (len >= LINE_LEN) {
1344 Config_Error_TooLong(Line, Var);
1347 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1348 Config_Error(LOG_WARNING,
1349 "%s, line %d: Could not append MotdPhrase: %s",
1350 NGIRCd_ConfFile, Line, strerror(errno));
1351 Using_MotdFile = false;
1354 if(strcasecmp(Var, "Password") == 0) {
1355 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1356 if (len >= sizeof(Conf_ServerPwd))
1357 Config_Error_TooLong(Line, Var);
1360 if (strcasecmp(Var, "PidFile") == 0) {
1361 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1362 if (len >= sizeof(Conf_PidFile))
1363 Config_Error_TooLong(Line, Var);
1366 if (strcasecmp(Var, "Ports") == 0) {
1367 ports_parse(&Conf_ListenPorts, Line, Arg);
1370 if (strcasecmp(Var, "ServerGID") == 0) {
1371 grp = getgrnam(Arg);
1373 Conf_GID = grp->gr_gid;
1375 Conf_GID = (unsigned int)atoi(Arg);
1376 if (!Conf_GID && strcmp(Arg, "0"))
1377 Config_Error(LOG_WARNING,
1378 "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
1379 NGIRCd_ConfFile, Line, Var);
1383 if (strcasecmp(Var, "ServerUID") == 0) {
1384 pwd = getpwnam(Arg);
1386 Conf_UID = pwd->pw_uid;
1388 Conf_UID = (unsigned int)atoi(Arg);
1389 if (!Conf_UID && strcmp(Arg, "0"))
1390 Config_Error(LOG_WARNING,
1391 "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
1392 NGIRCd_ConfFile, Line, Var);
1397 if (CheckLegacyNoOption(Var, Arg)) {
1398 /* TODO: This function and support for "NoXXX" could be
1399 * be removed starting with ngIRCd release 19 (one release
1400 * after marking it "deprecated"). */
1401 Config_Error(LOG_WARNING,
1402 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1403 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1404 if (strcasecmp(Var, "NoIdent") == 0)
1406 else if (strcasecmp(Var, "NoPam") == 0)
1410 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1411 /** TODO: This function and support for these options in the
1412 * [Global] section could be removed starting with ngIRCd
1413 * release 19 (one release after marking it "deprecated"). */
1414 if (strncasecmp(Var, "SSL", 3) == 0) {
1415 Config_Error(LOG_WARNING,
1416 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1417 NGIRCd_ConfFile, Line, Var, section,
1420 Config_Error(LOG_WARNING,
1421 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1422 NGIRCd_ConfFile, Line, Var, section);
1427 Config_Error_Section(Line, Var, "Global");
1431 * Handle variable in [Limits] configuration section.
1433 * @param Line Line numer in configuration file.
1434 * @param Var Variable name.
1435 * @param Arg Variable argument.
1438 Handle_LIMITS(int Line, char *Var, char *Arg)
1441 assert(Var != NULL);
1442 assert(Arg != NULL);
1444 if (strcasecmp(Var, "ConnectRetry") == 0) {
1445 Conf_ConnectRetry = atoi(Arg);
1446 if (Conf_ConnectRetry < 5) {
1447 Config_Error(LOG_WARNING,
1448 "%s, line %d: Value of \"ConnectRetry\" too low!",
1449 NGIRCd_ConfFile, Line);
1450 Conf_ConnectRetry = 5;
1454 if (strcasecmp(Var, "MaxConnections") == 0) {
1455 Conf_MaxConnections = atoi(Arg);
1456 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1457 Config_Error_NaN(Line, Var);
1460 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1461 Conf_MaxConnectionsIP = atoi(Arg);
1462 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1463 Config_Error_NaN(Line, Var);
1466 if (strcasecmp(Var, "MaxJoins") == 0) {
1467 Conf_MaxJoins = atoi(Arg);
1468 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1469 Config_Error_NaN(Line, Var);
1472 if (strcasecmp(Var, "MaxNickLength") == 0) {
1473 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1476 if (strcasecmp(Var, "MaxListSize") == 0) {
1477 Conf_MaxListSize = atoi(Arg);
1478 if (!Conf_MaxListSize && strcmp(Arg, "0"))
1479 Config_Error_NaN(Line, Var);
1482 if (strcasecmp(Var, "PingTimeout") == 0) {
1483 Conf_PingTimeout = atoi(Arg);
1484 if (Conf_PingTimeout < 5) {
1485 Config_Error(LOG_WARNING,
1486 "%s, line %d: Value of \"PingTimeout\" too low!",
1487 NGIRCd_ConfFile, Line);
1488 Conf_PingTimeout = 5;
1492 if (strcasecmp(Var, "PongTimeout") == 0) {
1493 Conf_PongTimeout = atoi(Arg);
1494 if (Conf_PongTimeout < 5) {
1495 Config_Error(LOG_WARNING,
1496 "%s, line %d: Value of \"PongTimeout\" too low!",
1497 NGIRCd_ConfFile, Line);
1498 Conf_PongTimeout = 5;
1503 Config_Error_Section(Line, Var, "Limits");
1507 * Handle variable in [Options] configuration section.
1509 * @param Line Line numer in configuration file.
1510 * @param Var Variable name.
1511 * @param Arg Variable argument.
1514 Handle_OPTIONS(int Line, char *Var, char *Arg)
1519 assert(Var != NULL);
1520 assert(Arg != NULL);
1522 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1523 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1526 if (strcasecmp(Var, "ChrootDir") == 0) {
1527 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1528 if (len >= sizeof(Conf_Chroot))
1529 Config_Error_TooLong(Line, Var);
1532 if (strcasecmp(Var, "CloakHost") == 0) {
1533 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1534 if (len >= sizeof(Conf_CloakHost))
1535 Config_Error_TooLong(Line, Var);
1538 if (strcasecmp(Var, "CloakHostModeX") == 0) {
1539 len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
1540 if (len >= sizeof(Conf_CloakHostModeX))
1541 Config_Error_TooLong(Line, Var);
1544 if (strcasecmp(Var, "CloakHostSalt") == 0) {
1545 len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
1546 if (len >= sizeof(Conf_CloakHostSalt))
1547 Config_Error_TooLong(Line, Var);
1550 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1551 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1554 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1555 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1559 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1560 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1563 if (strcasecmp(Var, "DNS") == 0) {
1564 Conf_DNS = Check_ArgIsTrue(Arg);
1567 if (strcasecmp(Var, "Ident") == 0) {
1568 Conf_Ident = Check_ArgIsTrue(Arg);
1572 if (strcasecmp(Var, "MorePrivacy") == 0) {
1573 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1576 if (strcasecmp(Var, "NoticeAuth") == 0) {
1577 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1580 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1581 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1584 if (strcasecmp(Var, "OperChanPAutoOp") == 0) {
1585 Conf_OperChanPAutoOp = Check_ArgIsTrue(Arg);
1588 if (strcasecmp(Var, "OperServerMode") == 0) {
1589 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1592 if (strcasecmp(Var, "PAM") == 0) {
1593 Conf_PAM = Check_ArgIsTrue(Arg);
1597 if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
1598 Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
1601 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1602 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1606 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1607 Conf_AuthPing = Check_ArgIsTrue(Arg);
1611 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1612 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1616 if (strcasecmp(Var, "SyslogFacility") == 0) {
1617 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1618 Conf_SyslogFacility);
1622 if (strcasecmp(Var, "WebircPassword") == 0) {
1623 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1624 if (len >= sizeof(Conf_WebircPwd))
1625 Config_Error_TooLong(Line, Var);
1629 Config_Error_Section(Line, Var, "Options");
1635 * Handle variable in [SSL] configuration section.
1637 * @param Line Line numer in configuration file.
1638 * @param Var Variable name.
1639 * @param Arg Variable argument.
1642 Handle_SSL(int Line, char *Var, char *Arg)
1645 assert(Var != NULL);
1646 assert(Arg != NULL);
1648 if (strcasecmp(Var, "CertFile") == 0) {
1649 assert(Conf_SSLOptions.CertFile == NULL);
1650 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1653 if (strcasecmp(Var, "DHFile") == 0) {
1654 assert(Conf_SSLOptions.DHFile == NULL);
1655 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1658 if (strcasecmp(Var, "KeyFile") == 0) {
1659 assert(Conf_SSLOptions.KeyFile == NULL);
1660 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1663 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1664 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1665 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1666 Config_Error(LOG_ERR,
1667 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1668 NGIRCd_ConfFile, Line, Var,
1672 if (strcasecmp(Var, "Ports") == 0) {
1673 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1677 Config_Error_Section(Line, Var, "SSL");
1683 * Handle variable in [Operator] configuration section.
1685 * @param Line Line numer in configuration file.
1686 * @param Var Variable name.
1687 * @param Arg Variable argument.
1690 Handle_OPERATOR( int Line, char *Var, char *Arg )
1693 struct Conf_Oper *op;
1696 assert( Var != NULL );
1697 assert( Arg != NULL );
1699 op = array_get(&Conf_Opers, sizeof(*op),
1700 array_length(&Conf_Opers, sizeof(*op)) - 1);
1704 if (strcasecmp(Var, "Name") == 0) {
1705 /* Name of IRC operator */
1706 len = strlcpy(op->name, Arg, sizeof(op->name));
1707 if (len >= sizeof(op->name))
1708 Config_Error_TooLong(Line, Var);
1711 if (strcasecmp(Var, "Password") == 0) {
1712 /* Password of IRC operator */
1713 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1714 if (len >= sizeof(op->pwd))
1715 Config_Error_TooLong(Line, Var);
1718 if (strcasecmp(Var, "Mask") == 0) {
1720 return; /* Hostname already configured */
1721 op->mask = strdup_warn( Arg );
1725 Config_Error_Section(Line, Var, "Operator");
1729 * Handle variable in [Server] configuration section.
1731 * @param Line Line numer in configuration file.
1732 * @param Var Variable name.
1733 * @param Arg Variable argument.
1736 Handle_SERVER( int Line, char *Var, char *Arg )
1742 assert( Var != NULL );
1743 assert( Arg != NULL );
1745 /* Ignore server block if no space is left in server configuration structure */
1746 if( New_Server_Idx <= NONE ) return;
1748 if( strcasecmp( Var, "Host" ) == 0 ) {
1749 /* Hostname of the server */
1750 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1751 if (len >= sizeof( New_Server.host ))
1752 Config_Error_TooLong ( Line, Var );
1755 if( strcasecmp( Var, "Name" ) == 0 ) {
1756 /* Name of the server ("Nick"/"ID") */
1757 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1758 if (len >= sizeof( New_Server.name ))
1759 Config_Error_TooLong( Line, Var );
1762 if (strcasecmp(Var, "Bind") == 0) {
1763 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1766 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1767 NGIRCd_ConfFile, Line, Arg);
1770 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1771 /* Password of this server which is sent to the peer */
1773 Config_Error(LOG_ERR,
1774 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1775 NGIRCd_ConfFile, Line);
1777 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1778 if (len >= sizeof( New_Server.pwd_in ))
1779 Config_Error_TooLong( Line, Var );
1782 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1783 /* Passwort of the peer which must be received */
1784 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1785 if (len >= sizeof( New_Server.pwd_out ))
1786 Config_Error_TooLong( Line, Var );
1789 if( strcasecmp( Var, "Port" ) == 0 ) {
1790 /* Port to which this server should connect */
1792 if (port >= 0 && port < 0xFFFF)
1793 New_Server.port = (UINT16)port;
1795 Config_Error(LOG_ERR,
1796 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1797 NGIRCd_ConfFile, Line, port );
1801 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1802 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1806 if( strcasecmp( Var, "Group" ) == 0 ) {
1808 New_Server.group = atoi( Arg );
1809 if (!New_Server.group && strcmp(Arg, "0"))
1810 Config_Error_NaN(Line, Var);
1813 if( strcasecmp( Var, "Passive" ) == 0 ) {
1814 if (Check_ArgIsTrue(Arg))
1815 New_Server.flags |= CONF_SFLAG_DISABLED;
1818 if (strcasecmp(Var, "ServiceMask") == 0) {
1819 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1820 sizeof(New_Server.svs_mask));
1821 if (len >= sizeof(New_Server.svs_mask))
1822 Config_Error_TooLong(Line, Var);
1826 Config_Error_Section(Line, Var, "Server");
1830 * Copy channel name into channel structure.
1832 * If the channel name is not valid because of a missing prefix ('#', '&'),
1833 * a default prefix of '#' will be added.
1835 * @param new_chan New already allocated channel structure.
1836 * @param name Name of the new channel.
1837 * @returns true on success, false otherwise.
1840 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1842 size_t size = sizeof(new_chan->name);
1843 char *dest = new_chan->name;
1845 if (!Channel_IsValidName(name)) {
1847 * maybe user forgot to add a '#'.
1848 * This is only here for user convenience.
1854 return size > strlcpy(dest, name, size);
1858 * Handle variable in [Channel] configuration section.
1860 * @param Line Line numer in configuration file.
1861 * @param Var Variable name.
1862 * @param Arg Variable argument.
1865 Handle_CHANNEL(int Line, char *Var, char *Arg)
1868 struct Conf_Channel *chan;
1871 assert( Var != NULL );
1872 assert( Arg != NULL );
1874 chan = array_get(&Conf_Channels, sizeof(*chan),
1875 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1879 if (strcasecmp(Var, "Name") == 0) {
1880 if (!Handle_Channelname(chan, Arg))
1881 Config_Error_TooLong(Line, Var);
1884 if (strcasecmp(Var, "Modes") == 0) {
1886 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1887 if (len >= sizeof(chan->modes))
1888 Config_Error_TooLong( Line, Var );
1891 if( strcasecmp( Var, "Topic" ) == 0 ) {
1893 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1894 if (len >= sizeof(chan->topic))
1895 Config_Error_TooLong( Line, Var );
1898 if( strcasecmp( Var, "Key" ) == 0 ) {
1899 /* Initial Channel Key (mode k) */
1900 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1901 if (len >= sizeof(chan->key))
1902 Config_Error_TooLong(Line, Var);
1905 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1906 /* maximum user limit, mode l */
1907 chan->maxusers = (unsigned long) atol(Arg);
1908 if (!chan->maxusers && strcmp(Arg, "0"))
1909 Config_Error_NaN(Line, Var);
1912 if (strcasecmp(Var, "KeyFile") == 0) {
1914 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1915 if (len >= sizeof(chan->keyfile))
1916 Config_Error_TooLong(Line, Var);
1920 Config_Error_Section(Line, Var, "Channel");
1924 * Validate server configuration.
1926 * Please note that this function uses exit(1) on fatal errors and therefore
1927 * can result in ngIRCd terminating!
1929 * @param Configtest true if the daemon has been called with "--configtest".
1930 * @param Rehash true if re-reading configuration on runtime.
1931 * @returns true if configuration is valid.
1934 Validate_Config(bool Configtest, bool Rehash)
1936 /* Validate configuration settings. */
1939 int i, servers, servers_once;
1941 bool config_valid = true;
1944 /* Emit a warning when the config file is not a full path name */
1945 if (NGIRCd_ConfFile[0] && NGIRCd_ConfFile[0] != '/') {
1946 Config_Error(LOG_WARNING,
1947 "Not specifying a full path name to \"%s\" can cause problems when rehashing the server!",
1951 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1952 ptr = Conf_ServerName;
1954 if (*ptr >= 'a' && *ptr <= 'z') continue;
1955 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1956 if (*ptr >= '0' && *ptr <= '9') continue;
1957 if (ptr > Conf_ServerName) {
1958 if (*ptr == '.' || *ptr == '-')
1961 Conf_ServerName[0] = '\0';
1965 if (!Conf_ServerName[0]) {
1966 /* No server name configured! */
1967 config_valid = false;
1968 Config_Error(LOG_ALERT,
1969 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1971 if (!Configtest && !Rehash) {
1972 Config_Error(LOG_ALERT,
1973 "%s exiting due to fatal errors!",
1979 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1980 /* No dot in server name! */
1981 config_valid = false;
1982 Config_Error(LOG_ALERT,
1983 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1986 Config_Error(LOG_ALERT,
1987 "%s exiting due to fatal errors!",
1994 if (!Conf_ServerAdminMail[0]) {
1995 /* No administrative contact configured! */
1996 config_valid = false;
1997 Config_Error(LOG_ALERT,
1998 "No administrator email address configured in \"%s\" ('AdminEMail')!",
2001 Config_Error(LOG_ALERT,
2002 "%s exiting due to fatal errors!",
2009 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
2010 && !Conf_ServerAdminMail[0]) {
2011 /* No administrative information configured! */
2012 Config_Error(LOG_WARNING,
2013 "No administrative information configured but required by RFC!");
2017 if (Conf_ServerPwd[0])
2018 Config_Error(LOG_ERR,
2019 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
2023 servers = servers_once = 0;
2024 for (i = 0; i < MAX_SERVERS; i++) {
2025 if (Conf_Server[i].name[0]) {
2027 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
2032 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
2033 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
2034 servers, servers_once,
2035 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
2038 return config_valid;
2042 * Output "line too long" warning.
2044 * @param Line Line number in configuration file.
2045 * @param Item Affected variable name.
2048 Config_Error_TooLong ( const int Line, const char *Item )
2050 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
2054 * Output "unknown variable" warning.
2056 * @param Line Line number in configuration file.
2057 * @param Item Affected variable name.
2058 * @param Section Section name.
2061 Config_Error_Section(const int Line, const char *Item, const char *Section)
2063 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
2064 NGIRCd_ConfFile, Line, Section, Item);
2068 * Output "not a number" warning.
2070 * @param Line Line number in configuration file.
2071 * @param Item Affected variable name.
2074 Config_Error_NaN( const int Line, const char *Item )
2076 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
2077 NGIRCd_ConfFile, Line, Item );
2081 * Output configuration error to console and/or logfile.
2083 * On runtime, the normal log functions of the daemon are used. But when
2084 * testing the configuration ("--configtest"), all messages go directly
2087 * @param Level Severity level of the message.
2088 * @param Format Format string; see printf() function.
2091 static void Config_Error( const int Level, const char *Format, ... )
2093 static void Config_Error( Level, Format, va_alist )
2099 char msg[MAX_LOG_MSG_LEN];
2102 assert( Format != NULL );
2105 va_start( ap, Format );
2109 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2113 if (Level <= LOG_WARNING)
2114 printf(" - %s\n", msg);
2118 Log(Level, "%s", msg);
2124 * Dump internal state of the "configuration module".
2127 Conf_DebugDump(void)
2131 Log(LOG_DEBUG, "Configured servers:");
2132 for (i = 0; i < MAX_SERVERS; i++) {
2133 if (! Conf_Server[i].name[0])
2136 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2137 Conf_Server[i].name, Conf_Server[i].host,
2138 Conf_Server[i].port, Conf_Server[i].lasttry,
2139 Conf_Server[i].group, Conf_Server[i].flags,
2140 Conf_Server[i].conn_id);
2147 * Initialize server configuration structur to default values.
2149 * @param Server Pointer to server structure to initialize.
2152 Init_Server_Struct( CONF_SERVER *Server )
2154 assert( Server != NULL );
2156 memset( Server, 0, sizeof (CONF_SERVER) );
2158 Server->group = NONE;
2159 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2161 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2163 Proc_InitStruct(&Server->res_stat);
2164 Server->conn_id = NONE;
2165 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));