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 nick name is reserved for services on a particular server.
649 * @param ConfServer The server index to check.
650 * @param Nick The nick name to check.
651 * @returns true if the given nick name 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 nick name is blocked for "normal client" use.
666 * @param ConfServer The server index or NONE to check all configured servers.
667 * @param Nick The nick name to check.
668 * @returns true if the given nick name 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 strcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN));
729 Conf_CloakUserToNick = false;
730 Conf_ConnectIPv4 = true;
732 Conf_ConnectIPv6 = true;
734 Conf_ConnectIPv6 = false;
742 Conf_MorePrivacy = false;
743 Conf_NoticeAuth = false;
744 Conf_OperCanMode = false;
745 Conf_OperChanPAutoOp = true;
746 Conf_OperServerMode = false;
752 Conf_PAMIsOptional = false;
753 Conf_PredefChannelsOnly = false;
755 Conf_ScrubCTCP = false;
757 Conf_SyslogFacility = LOG_LOCAL5;
759 Conf_SyslogFacility = 0;
763 /* Initialize server configuration structures */
765 for (i = 0; i < MAX_SERVERS;
766 Init_Server_Struct(&Conf_Server[i++]));
771 * Get number of configured listening ports.
773 * @returns The number of ports (IPv4+IPv6) on which the server should listen.
778 size_t cnt = array_bytes(&Conf_ListenPorts);
780 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
786 * Read MOTD ("message of the day") file.
788 * @param filename Name of the file to read.
791 Read_Motd(const char *filename)
796 if (*filename == '\0')
799 fp = fopen(filename, "r");
801 Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
802 filename, strerror(errno));
806 array_free(&Conf_Motd);
807 Using_MotdFile = true;
809 while (fgets(line, (int)sizeof line, fp)) {
810 ngt_TrimLastChr( line, '\n');
812 /* add text including \0 */
813 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
814 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
822 * Read ngIRCd configuration file.
824 * Please note that this function uses exit(1) on fatal errors and therefore
825 * can result in ngIRCd terminating!
827 * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
828 * @returns true when the configuration file has been read
829 * successfully; false otherwise.
832 Read_Config(bool TestOnly, bool IsStarting)
834 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
835 const UINT16 defaultport = 6667;
840 /* Open configuration file */
841 fd = fopen( NGIRCd_ConfFile, "r" );
843 /* No configuration file found! */
844 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
845 NGIRCd_ConfFile, strerror( errno ));
848 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
853 Set_Defaults(IsStarting);
856 Config_Error(LOG_INFO,
857 "Reading configuration from \"%s\" ...",
860 /* Clean up server configuration structure: mark all already
861 * configured servers as "once" so that they are deleted
862 * after the next disconnect and delete all unused servers.
863 * And delete all servers which are "duplicates" of servers
864 * that are already marked as "once" (such servers have been
865 * created by the last rehash but are now useless). */
866 for( i = 0; i < MAX_SERVERS; i++ ) {
867 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
869 /* This structure is in use ... */
870 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
871 /* Check for duplicates */
872 for( n = 0; n < MAX_SERVERS; n++ ) {
873 if( n == i ) continue;
875 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
876 Init_Server_Struct( &Conf_Server[n] );
878 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
884 /* Mark server as "once" */
885 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
886 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
891 /* Initialize variables */
893 strcpy( section, "" );
894 Init_Server_Struct( &New_Server );
895 New_Server_Idx = NONE;
899 /* Read configuration file */
901 if( ! fgets( str, LINE_LEN, fd )) break;
905 /* Skip comments and empty lines */
906 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
908 /* Is this the beginning of a new section? */
909 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
910 strlcpy( section, str, sizeof( section ));
911 if (strcasecmp(section, "[GLOBAL]") == 0
912 || strcasecmp(section, "[LIMITS]") == 0
913 || strcasecmp(section, "[OPTIONS]") == 0
915 || strcasecmp(section, "[SSL]") == 0
920 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
921 /* Check if there is already a server to add */
922 if( New_Server.name[0] ) {
923 /* Copy data to "real" server structure */
924 assert( New_Server_Idx > NONE );
925 Conf_Server[New_Server_Idx] = New_Server;
928 /* Re-init structure for new server */
929 Init_Server_Struct( &New_Server );
931 /* Search unused item in server configuration structure */
932 for( i = 0; i < MAX_SERVERS; i++ ) {
933 /* Is this item used? */
934 if( ! Conf_Server[i].name[0] ) break;
936 if( i >= MAX_SERVERS ) {
937 /* Oops, no free item found! */
938 Config_Error( LOG_ERR, "Too many servers configured." );
939 New_Server_Idx = NONE;
941 else New_Server_Idx = i;
945 if (strcasecmp(section, "[CHANNEL]") == 0) {
946 count = array_length(&Conf_Channels,
947 sizeof(struct Conf_Channel));
948 if (!array_alloc(&Conf_Channels,
949 sizeof(struct Conf_Channel),
951 Config_Error(LOG_ERR,
952 "Could not allocate memory for new operator (line %d)",
958 if (strcasecmp(section, "[OPERATOR]") == 0) {
959 count = array_length(&Conf_Opers,
960 sizeof(struct Conf_Oper));
961 if (!array_alloc(&Conf_Opers,
962 sizeof(struct Conf_Oper),
964 Config_Error(LOG_ERR,
965 "Could not allocate memory for new channel (line &d)",
971 Config_Error(LOG_ERR,
972 "%s, line %d: Unknown section \"%s\"!",
973 NGIRCd_ConfFile, line, section);
976 if( section[0] == 0x1 ) continue;
978 /* Split line into variable name and parameters */
979 ptr = strchr( str, '=' );
981 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
985 var = str; ngt_TrimStr( var );
986 arg = ptr + 1; ngt_TrimStr( arg );
988 if(strcasecmp(section, "[GLOBAL]") == 0)
989 Handle_GLOBAL(line, var, arg);
990 else if(strcasecmp(section, "[LIMITS]") == 0)
991 Handle_LIMITS(line, var, arg);
992 else if(strcasecmp(section, "[OPTIONS]") == 0)
993 Handle_OPTIONS(line, var, arg);
995 else if(strcasecmp(section, "[SSL]") == 0)
996 Handle_SSL(line, var, arg);
998 else if(strcasecmp(section, "[OPERATOR]") == 0)
999 Handle_OPERATOR(line, var, arg);
1000 else if(strcasecmp(section, "[SERVER]") == 0)
1001 Handle_SERVER(line, var, arg);
1002 else if(strcasecmp(section, "[CHANNEL]") == 0)
1003 Handle_CHANNEL(line, var, arg);
1005 Config_Error(LOG_ERR,
1006 "%s, line %d: Variable \"%s\" outside section!",
1007 NGIRCd_ConfFile, line, var);
1010 /* Close configuration file */
1013 /* Check if there is still a server to add */
1014 if( New_Server.name[0] ) {
1015 /* Copy data to "real" server structure */
1016 assert( New_Server_Idx > NONE );
1017 Conf_Server[New_Server_Idx] = New_Server;
1020 /* not a single listening port? Add default. */
1021 if (no_listenports() &&
1022 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
1024 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
1025 (unsigned int) defaultport, strerror(errno));
1030 if (!Conf_ListenAddress)
1031 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
1033 if (!Conf_ListenAddress) {
1034 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1038 /* No MOTD phrase configured? (re)try motd file. */
1039 if (array_bytes(&Conf_Motd) == 0)
1040 Read_Motd(Conf_MotdFile);
1043 /* Make sure that all SSL-related files are readable */
1044 CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
1045 CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
1046 CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
1053 * Check whether a string argument is "true" or "false".
1055 * @param Arg Input string.
1056 * @returns true if the input string has been parsed as "yes", "true"
1057 * (case insensitive) or a non-zero integer value.
1060 Check_ArgIsTrue(const char *Arg)
1062 if (strcasecmp(Arg, "yes") == 0)
1064 if (strcasecmp(Arg, "true") == 0)
1073 * Handle setting of "MaxNickLength".
1075 * @param Line Line number in configuration file.
1076 * @raram Arg Input string.
1077 * @returns New configured maximum nick name length.
1080 Handle_MaxNickLength(int Line, const char *Arg)
1084 new = (unsigned) atoi(Arg) + 1;
1085 if (new > CLIENT_NICK_LEN) {
1086 Config_Error(LOG_WARNING,
1087 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
1088 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
1089 return CLIENT_NICK_LEN;
1092 Config_Error(LOG_WARNING,
1093 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
1094 NGIRCd_ConfFile, Line);
1101 * Output a warning messages if IDENT is configured but not compiled in.
1104 WarnIdent(int UNUSED Line)
1108 /* user has enabled ident lookups explicitly, but ... */
1109 Config_Error(LOG_WARNING,
1110 "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
1111 NGIRCd_ConfFile, Line);
1117 * Output a warning messages if IPv6 is configured but not compiled in.
1120 WarnIPv6(int UNUSED Line)
1123 if (Conf_ConnectIPv6) {
1124 /* user has enabled IPv6 explicitly, but ... */
1125 Config_Error(LOG_WARNING,
1126 "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
1127 NGIRCd_ConfFile, Line);
1133 * Output a warning messages if PAM is configured but not compiled in.
1136 WarnPAM(int UNUSED Line)
1140 Config_Error(LOG_WARNING,
1141 "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
1142 NGIRCd_ConfFile, Line);
1148 * Handle legacy "NoXXX" options in [GLOBAL] section.
1150 * TODO: This function and support for "NoXXX" could be removed starting
1151 * with ngIRCd release 19 (one release after marking it "deprecated").
1153 * @param Var Variable name.
1154 * @param Arg Argument string.
1155 * @returns true if a NoXXX option has been processed; false otherwise.
1158 CheckLegacyNoOption(const char *Var, const char *Arg)
1160 if(strcasecmp(Var, "NoDNS") == 0) {
1161 Conf_DNS = !Check_ArgIsTrue( Arg );
1164 if (strcasecmp(Var, "NoIdent") == 0) {
1165 Conf_Ident = !Check_ArgIsTrue(Arg);
1168 if(strcasecmp(Var, "NoPAM") == 0) {
1169 Conf_PAM = !Check_ArgIsTrue(Arg);
1176 * Handle deprecated legacy options in [GLOBAL] section.
1178 * TODO: This function and support for these options in the [Global] section
1179 * could be removed starting with ngIRCd release 19 (one release after
1180 * marking it "deprecated").
1182 * @param Var Variable name.
1183 * @param Arg Argument string.
1184 * @returns true if a legacy option has been processed; false otherwise.
1187 CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
1189 if (strcasecmp(Var, "AllowRemoteOper") == 0
1190 || strcasecmp(Var, "ChrootDir") == 0
1191 || strcasecmp(Var, "ConnectIPv4") == 0
1192 || strcasecmp(Var, "ConnectIPv6") == 0
1193 || strcasecmp(Var, "OperCanUseMode") == 0
1194 || strcasecmp(Var, "OperChanPAutoOp") == 0
1195 || strcasecmp(Var, "OperServerMode") == 0
1196 || strcasecmp(Var, "PredefChannelsOnly") == 0
1197 || strcasecmp(Var, "SyslogFacility") == 0
1198 || strcasecmp(Var, "WebircPassword") == 0) {
1199 Handle_OPTIONS(Line, Var, Arg);
1202 if (strcasecmp(Var, "ConnectRetry") == 0
1203 || strcasecmp(Var, "MaxConnections") == 0
1204 || strcasecmp(Var, "MaxConnectionsIP") == 0
1205 || strcasecmp(Var, "MaxJoins") == 0
1206 || strcasecmp(Var, "MaxNickLength") == 0
1207 || strcasecmp(Var, "PingTimeout") == 0
1208 || strcasecmp(Var, "PongTimeout") == 0) {
1209 Handle_LIMITS(Line, Var, Arg);
1213 if (strcasecmp(Var, "SSLCertFile") == 0
1214 || strcasecmp(Var, "SSLDHFile") == 0
1215 || strcasecmp(Var, "SSLKeyFile") == 0
1216 || strcasecmp(Var, "SSLKeyFilePassword") == 0
1217 || strcasecmp(Var, "SSLPorts") == 0) {
1218 Handle_SSL(Line, Var + 3, Arg);
1227 * Strip "no" prefix of a string.
1229 * TODO: This function and support for "NoXXX" should be removed starting
1230 * with ngIRCd release 19! (One release after marking it "deprecated").
1232 * @param str Pointer to input string starting with "no".
1233 * @returns New pointer to string without "no" prefix.
1236 NoNo(const char *str)
1238 assert(strncasecmp("no", str, 2) == 0 && str[2]);
1243 * Invert "boolean" string.
1245 * TODO: This function and support for "NoXXX" should be removed starting
1246 * with ngIRCd release 19! (One release after marking it "deprecated").
1248 * @param arg "Boolean" input string.
1249 * @returns Pointer to inverted "boolean string".
1252 InvertArg(const char *arg)
1254 return yesno_to_str(!Check_ArgIsTrue(arg));
1258 * Handle variable in [Global] configuration section.
1260 * @param Line Line numer in configuration file.
1261 * @param Var Variable name.
1262 * @param Arg Variable argument.
1265 Handle_GLOBAL( int Line, char *Var, char *Arg )
1270 const char *section;
1273 assert(Var != NULL);
1274 assert(Arg != NULL);
1276 if (strcasecmp(Var, "Name") == 0) {
1277 len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
1278 if (len >= sizeof(Conf_ServerName))
1279 Config_Error_TooLong(Line, Var);
1282 if (strcasecmp(Var, "AdminInfo1") == 0) {
1283 len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
1284 if (len >= sizeof(Conf_ServerAdmin1))
1285 Config_Error_TooLong(Line, Var);
1288 if (strcasecmp(Var, "AdminInfo2") == 0) {
1289 len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
1290 if (len >= sizeof(Conf_ServerAdmin2))
1291 Config_Error_TooLong(Line, Var);
1294 if (strcasecmp(Var, "AdminEMail") == 0) {
1295 len = strlcpy(Conf_ServerAdminMail, Arg,
1296 sizeof(Conf_ServerAdminMail));
1297 if (len >= sizeof(Conf_ServerAdminMail))
1298 Config_Error_TooLong(Line, Var);
1301 if (strcasecmp(Var, "Info") == 0) {
1302 len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
1303 if (len >= sizeof(Conf_ServerInfo))
1304 Config_Error_TooLong(Line, Var);
1307 if (strcasecmp(Var, "Listen") == 0) {
1308 if (Conf_ListenAddress) {
1309 Config_Error(LOG_ERR,
1310 "Multiple Listen= options, ignoring: %s",
1314 Conf_ListenAddress = strdup_warn(Arg);
1315 /* If allocation fails, we're in trouble: we cannot ignore the
1316 * error -- otherwise ngircd would listen on all interfaces. */
1317 if (!Conf_ListenAddress) {
1318 Config_Error(LOG_ALERT,
1319 "%s exiting due to fatal errors!",
1325 if (strcasecmp(Var, "MotdFile") == 0) {
1326 len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
1327 if (len >= sizeof(Conf_MotdFile))
1328 Config_Error_TooLong(Line, Var);
1331 if (strcasecmp(Var, "MotdPhrase") == 0) {
1335 if (len >= LINE_LEN) {
1336 Config_Error_TooLong(Line, Var);
1339 if (!array_copyb(&Conf_Motd, Arg, len + 1))
1340 Config_Error(LOG_WARNING,
1341 "%s, line %d: Could not append MotdPhrase: %s",
1342 NGIRCd_ConfFile, Line, strerror(errno));
1343 Using_MotdFile = false;
1346 if(strcasecmp(Var, "Password") == 0) {
1347 len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
1348 if (len >= sizeof(Conf_ServerPwd))
1349 Config_Error_TooLong(Line, Var);
1352 if (strcasecmp(Var, "PidFile") == 0) {
1353 len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
1354 if (len >= sizeof(Conf_PidFile))
1355 Config_Error_TooLong(Line, Var);
1358 if (strcasecmp(Var, "Ports") == 0) {
1359 ports_parse(&Conf_ListenPorts, Line, Arg);
1362 if (strcasecmp(Var, "ServerGID") == 0) {
1363 grp = getgrnam(Arg);
1365 Conf_GID = grp->gr_gid;
1367 Conf_GID = (unsigned int)atoi(Arg);
1368 if (!Conf_GID && strcmp(Arg, "0"))
1369 Config_Error(LOG_WARNING,
1370 "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
1371 NGIRCd_ConfFile, Line, Var);
1375 if (strcasecmp(Var, "ServerUID") == 0) {
1376 pwd = getpwnam(Arg);
1378 Conf_UID = pwd->pw_uid;
1380 Conf_UID = (unsigned int)atoi(Arg);
1381 if (!Conf_UID && strcmp(Arg, "0"))
1382 Config_Error(LOG_WARNING,
1383 "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
1384 NGIRCd_ConfFile, Line, Var);
1389 if (CheckLegacyNoOption(Var, Arg)) {
1390 /* TODO: This function and support for "NoXXX" could be
1391 * be removed starting with ngIRCd release 19 (one release
1392 * after marking it "deprecated"). */
1393 Config_Error(LOG_WARNING,
1394 "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
1395 NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
1396 if (strcasecmp(Var, "NoIdent") == 0)
1398 else if (strcasecmp(Var, "NoPam") == 0)
1402 if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
1403 /** TODO: This function and support for these options in the
1404 * [Global] section could be removed starting with ngIRCd
1405 * release 19 (one release after marking it "deprecated"). */
1406 if (strncasecmp(Var, "SSL", 3) == 0) {
1407 Config_Error(LOG_WARNING,
1408 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
1409 NGIRCd_ConfFile, Line, Var, section,
1412 Config_Error(LOG_WARNING,
1413 "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
1414 NGIRCd_ConfFile, Line, Var, section);
1419 Config_Error_Section(Line, Var, "Global");
1423 * Handle variable in [Limits] configuration section.
1425 * @param Line Line numer in configuration file.
1426 * @param Var Variable name.
1427 * @param Arg Variable argument.
1430 Handle_LIMITS(int Line, char *Var, char *Arg)
1433 assert(Var != NULL);
1434 assert(Arg != NULL);
1436 if (strcasecmp(Var, "ConnectRetry") == 0) {
1437 Conf_ConnectRetry = atoi(Arg);
1438 if (Conf_ConnectRetry < 5) {
1439 Config_Error(LOG_WARNING,
1440 "%s, line %d: Value of \"ConnectRetry\" too low!",
1441 NGIRCd_ConfFile, Line);
1442 Conf_ConnectRetry = 5;
1446 if (strcasecmp(Var, "MaxConnections") == 0) {
1447 Conf_MaxConnections = atoi(Arg);
1448 if (!Conf_MaxConnections && strcmp(Arg, "0"))
1449 Config_Error_NaN(Line, Var);
1452 if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
1453 Conf_MaxConnectionsIP = atoi(Arg);
1454 if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
1455 Config_Error_NaN(Line, Var);
1458 if (strcasecmp(Var, "MaxJoins") == 0) {
1459 Conf_MaxJoins = atoi(Arg);
1460 if (!Conf_MaxJoins && strcmp(Arg, "0"))
1461 Config_Error_NaN(Line, Var);
1464 if (strcasecmp(Var, "MaxNickLength") == 0) {
1465 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1468 if (strcasecmp(Var, "MaxListSize") == 0) {
1469 Conf_MaxListSize = atoi(Arg);
1470 if (!Conf_MaxListSize && strcmp(Arg, "0"))
1471 Config_Error_NaN(Line, Var);
1474 if (strcasecmp(Var, "PingTimeout") == 0) {
1475 Conf_PingTimeout = atoi(Arg);
1476 if (Conf_PingTimeout < 5) {
1477 Config_Error(LOG_WARNING,
1478 "%s, line %d: Value of \"PingTimeout\" too low!",
1479 NGIRCd_ConfFile, Line);
1480 Conf_PingTimeout = 5;
1484 if (strcasecmp(Var, "PongTimeout") == 0) {
1485 Conf_PongTimeout = atoi(Arg);
1486 if (Conf_PongTimeout < 5) {
1487 Config_Error(LOG_WARNING,
1488 "%s, line %d: Value of \"PongTimeout\" too low!",
1489 NGIRCd_ConfFile, Line);
1490 Conf_PongTimeout = 5;
1495 Config_Error_Section(Line, Var, "Limits");
1499 * Handle variable in [Options] configuration section.
1501 * @param Line Line numer in configuration file.
1502 * @param Var Variable name.
1503 * @param Arg Variable argument.
1506 Handle_OPTIONS(int Line, char *Var, char *Arg)
1511 assert(Var != NULL);
1512 assert(Arg != NULL);
1514 if (strcasecmp(Var, "AllowRemoteOper") == 0) {
1515 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1518 if (strcasecmp(Var, "ChrootDir") == 0) {
1519 len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
1520 if (len >= sizeof(Conf_Chroot))
1521 Config_Error_TooLong(Line, Var);
1524 if (strcasecmp(Var, "CloakHost") == 0) {
1525 len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
1526 if (len >= sizeof(Conf_CloakHost))
1527 Config_Error_TooLong(Line, Var);
1530 if (strcasecmp(Var, "CloakHostModeX") == 0) {
1531 len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
1532 if (len >= sizeof(Conf_CloakHostModeX))
1533 Config_Error_TooLong(Line, Var);
1536 if (strcasecmp(Var, "CloakHostSalt") == 0) {
1537 len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
1538 if (len >= sizeof(Conf_CloakHostSalt))
1539 Config_Error_TooLong(Line, Var);
1542 if (strcasecmp(Var, "CloakUserToNick") == 0) {
1543 Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
1546 if (strcasecmp(Var, "ConnectIPv6") == 0) {
1547 Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
1551 if (strcasecmp(Var, "ConnectIPv4") == 0) {
1552 Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
1555 if (strcasecmp(Var, "DNS") == 0) {
1556 Conf_DNS = Check_ArgIsTrue(Arg);
1559 if (strcasecmp(Var, "Ident") == 0) {
1560 Conf_Ident = Check_ArgIsTrue(Arg);
1564 if (strcasecmp(Var, "MorePrivacy") == 0) {
1565 Conf_MorePrivacy = Check_ArgIsTrue(Arg);
1568 if (strcasecmp(Var, "NoticeAuth") == 0) {
1569 Conf_NoticeAuth = Check_ArgIsTrue(Arg);
1572 if (strcasecmp(Var, "OperCanUseMode") == 0) {
1573 Conf_OperCanMode = Check_ArgIsTrue(Arg);
1576 if (strcasecmp(Var, "OperChanPAutoOp") == 0) {
1577 Conf_OperChanPAutoOp = Check_ArgIsTrue(Arg);
1580 if (strcasecmp(Var, "OperServerMode") == 0) {
1581 Conf_OperServerMode = Check_ArgIsTrue(Arg);
1584 if (strcasecmp(Var, "PAM") == 0) {
1585 Conf_PAM = Check_ArgIsTrue(Arg);
1589 if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
1590 Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
1593 if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
1594 Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
1598 if (strcasecmp(Var, "RequireAuthPing") == 0) {
1599 Conf_AuthPing = Check_ArgIsTrue(Arg);
1603 if (strcasecmp(Var, "ScrubCTCP") == 0) {
1604 Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
1608 if (strcasecmp(Var, "SyslogFacility") == 0) {
1609 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1610 Conf_SyslogFacility);
1614 if (strcasecmp(Var, "WebircPassword") == 0) {
1615 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
1616 if (len >= sizeof(Conf_WebircPwd))
1617 Config_Error_TooLong(Line, Var);
1621 Config_Error_Section(Line, Var, "Options");
1627 * Handle variable in [SSL] configuration section.
1629 * @param Line Line numer in configuration file.
1630 * @param Var Variable name.
1631 * @param Arg Variable argument.
1634 Handle_SSL(int Line, char *Var, char *Arg)
1637 assert(Var != NULL);
1638 assert(Arg != NULL);
1640 if (strcasecmp(Var, "CertFile") == 0) {
1641 assert(Conf_SSLOptions.CertFile == NULL);
1642 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1645 if (strcasecmp(Var, "DHFile") == 0) {
1646 assert(Conf_SSLOptions.DHFile == NULL);
1647 Conf_SSLOptions.DHFile = strdup_warn(Arg);
1650 if (strcasecmp(Var, "KeyFile") == 0) {
1651 assert(Conf_SSLOptions.KeyFile == NULL);
1652 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1655 if (strcasecmp(Var, "KeyFilePassword") == 0) {
1656 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1657 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1658 Config_Error(LOG_ERR,
1659 "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
1660 NGIRCd_ConfFile, Line, Var,
1664 if (strcasecmp(Var, "Ports") == 0) {
1665 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1669 Config_Error_Section(Line, Var, "SSL");
1675 * Handle variable in [Operator] configuration section.
1677 * @param Line Line numer in configuration file.
1678 * @param Var Variable name.
1679 * @param Arg Variable argument.
1682 Handle_OPERATOR( int Line, char *Var, char *Arg )
1685 struct Conf_Oper *op;
1688 assert( Var != NULL );
1689 assert( Arg != NULL );
1691 op = array_get(&Conf_Opers, sizeof(*op),
1692 array_length(&Conf_Opers, sizeof(*op)) - 1);
1696 if (strcasecmp(Var, "Name") == 0) {
1697 /* Name of IRC operator */
1698 len = strlcpy(op->name, Arg, sizeof(op->name));
1699 if (len >= sizeof(op->name))
1700 Config_Error_TooLong(Line, Var);
1703 if (strcasecmp(Var, "Password") == 0) {
1704 /* Password of IRC operator */
1705 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1706 if (len >= sizeof(op->pwd))
1707 Config_Error_TooLong(Line, Var);
1710 if (strcasecmp(Var, "Mask") == 0) {
1712 return; /* Hostname already configured */
1713 op->mask = strdup_warn( Arg );
1717 Config_Error_Section(Line, Var, "Operator");
1721 * Handle variable in [Server] configuration section.
1723 * @param Line Line numer in configuration file.
1724 * @param Var Variable name.
1725 * @param Arg Variable argument.
1728 Handle_SERVER( int Line, char *Var, char *Arg )
1734 assert( Var != NULL );
1735 assert( Arg != NULL );
1737 /* Ignore server block if no space is left in server configuration structure */
1738 if( New_Server_Idx <= NONE ) return;
1740 if( strcasecmp( Var, "Host" ) == 0 ) {
1741 /* Hostname of the server */
1742 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1743 if (len >= sizeof( New_Server.host ))
1744 Config_Error_TooLong ( Line, Var );
1747 if( strcasecmp( Var, "Name" ) == 0 ) {
1748 /* Name of the server ("Nick"/"ID") */
1749 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1750 if (len >= sizeof( New_Server.name ))
1751 Config_Error_TooLong( Line, Var );
1754 if (strcasecmp(Var, "Bind") == 0) {
1755 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1758 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1759 NGIRCd_ConfFile, Line, Arg);
1762 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1763 /* Password of this server which is sent to the peer */
1765 Config_Error(LOG_ERR,
1766 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1767 NGIRCd_ConfFile, Line);
1769 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1770 if (len >= sizeof( New_Server.pwd_in ))
1771 Config_Error_TooLong( Line, Var );
1774 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1775 /* Passwort of the peer which must be received */
1776 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1777 if (len >= sizeof( New_Server.pwd_out ))
1778 Config_Error_TooLong( Line, Var );
1781 if( strcasecmp( Var, "Port" ) == 0 ) {
1782 /* Port to which this server should connect */
1784 if (port >= 0 && port < 0xFFFF)
1785 New_Server.port = (UINT16)port;
1787 Config_Error(LOG_ERR,
1788 "%s, line %d (section \"Server\"): Illegal port number %ld!",
1789 NGIRCd_ConfFile, Line, port );
1793 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1794 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1798 if( strcasecmp( Var, "Group" ) == 0 ) {
1800 New_Server.group = atoi( Arg );
1801 if (!New_Server.group && strcmp(Arg, "0"))
1802 Config_Error_NaN(Line, Var);
1805 if( strcasecmp( Var, "Passive" ) == 0 ) {
1806 if (Check_ArgIsTrue(Arg))
1807 New_Server.flags |= CONF_SFLAG_DISABLED;
1810 if (strcasecmp(Var, "ServiceMask") == 0) {
1811 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1812 sizeof(New_Server.svs_mask));
1813 if (len >= sizeof(New_Server.svs_mask))
1814 Config_Error_TooLong(Line, Var);
1818 Config_Error_Section(Line, Var, "Server");
1822 * Copy channel name into channel structure.
1824 * If the channel name is not valid because of a missing prefix ('#', '&'),
1825 * a default prefix of '#' will be added.
1827 * @param new_chan New already allocated channel structure.
1828 * @param name Name of the new channel.
1829 * @returns true on success, false otherwise.
1832 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1834 size_t size = sizeof(new_chan->name);
1835 char *dest = new_chan->name;
1837 if (!Channel_IsValidName(name)) {
1839 * maybe user forgot to add a '#'.
1840 * This is only here for user convenience.
1846 return size > strlcpy(dest, name, size);
1850 * Handle variable in [Channel] configuration section.
1852 * @param Line Line numer in configuration file.
1853 * @param Var Variable name.
1854 * @param Arg Variable argument.
1857 Handle_CHANNEL(int Line, char *Var, char *Arg)
1860 struct Conf_Channel *chan;
1863 assert( Var != NULL );
1864 assert( Arg != NULL );
1866 chan = array_get(&Conf_Channels, sizeof(*chan),
1867 array_length(&Conf_Channels, sizeof(*chan)) - 1);
1871 if (strcasecmp(Var, "Name") == 0) {
1872 if (!Handle_Channelname(chan, Arg))
1873 Config_Error_TooLong(Line, Var);
1876 if (strcasecmp(Var, "Modes") == 0) {
1878 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1879 if (len >= sizeof(chan->modes))
1880 Config_Error_TooLong( Line, Var );
1883 if( strcasecmp( Var, "Topic" ) == 0 ) {
1885 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1886 if (len >= sizeof(chan->topic))
1887 Config_Error_TooLong( Line, Var );
1890 if( strcasecmp( Var, "Key" ) == 0 ) {
1891 /* Initial Channel Key (mode k) */
1892 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1893 if (len >= sizeof(chan->key))
1894 Config_Error_TooLong(Line, Var);
1897 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1898 /* maximum user limit, mode l */
1899 chan->maxusers = (unsigned long) atol(Arg);
1900 if (!chan->maxusers && strcmp(Arg, "0"))
1901 Config_Error_NaN(Line, Var);
1904 if (strcasecmp(Var, "KeyFile") == 0) {
1906 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1907 if (len >= sizeof(chan->keyfile))
1908 Config_Error_TooLong(Line, Var);
1912 Config_Error_Section(Line, Var, "Channel");
1916 * Validate server configuration.
1918 * Please note that this function uses exit(1) on fatal errors and therefore
1919 * can result in ngIRCd terminating!
1921 * @param Configtest true if the daemon has been called with "--configtest".
1922 * @param Rehash true if re-reading configuration on runtime.
1923 * @returns true if configuration is valid.
1926 Validate_Config(bool Configtest, bool Rehash)
1928 /* Validate configuration settings. */
1931 int i, servers, servers_once;
1933 bool config_valid = true;
1936 /* Emit a warning when the config file is not a full path name */
1937 if (NGIRCd_ConfFile[0] && NGIRCd_ConfFile[0] != '/') {
1938 Config_Error(LOG_WARNING,
1939 "Not specifying a full path name to \"%s\" can cause problems when rehashing the server!",
1943 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1944 ptr = Conf_ServerName;
1946 if (*ptr >= 'a' && *ptr <= 'z') continue;
1947 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1948 if (*ptr >= '0' && *ptr <= '9') continue;
1949 if (ptr > Conf_ServerName) {
1950 if (*ptr == '.' || *ptr == '-')
1953 Conf_ServerName[0] = '\0';
1957 if (!Conf_ServerName[0]) {
1958 /* No server name configured! */
1959 config_valid = false;
1960 Config_Error(LOG_ALERT,
1961 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1963 if (!Configtest && !Rehash) {
1964 Config_Error(LOG_ALERT,
1965 "%s exiting due to fatal errors!",
1971 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1972 /* No dot in server name! */
1973 config_valid = false;
1974 Config_Error(LOG_ALERT,
1975 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1978 Config_Error(LOG_ALERT,
1979 "%s exiting due to fatal errors!",
1986 if (!Conf_ServerAdminMail[0]) {
1987 /* No administrative contact configured! */
1988 config_valid = false;
1989 Config_Error(LOG_ALERT,
1990 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1993 Config_Error(LOG_ALERT,
1994 "%s exiting due to fatal errors!",
2001 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
2002 && !Conf_ServerAdminMail[0]) {
2003 /* No administrative information configured! */
2004 Config_Error(LOG_WARNING,
2005 "No administrative information configured but required by RFC!");
2009 if (Conf_ServerPwd[0])
2010 Config_Error(LOG_ERR,
2011 "This server uses PAM, \"Password\" in [Global] section will be ignored!");
2015 servers = servers_once = 0;
2016 for (i = 0; i < MAX_SERVERS; i++) {
2017 if (Conf_Server[i].name[0]) {
2019 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
2024 "Configuration: Operators=%ld, Servers=%d[%d], Channels=%ld",
2025 array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
2026 servers, servers_once,
2027 array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
2030 return config_valid;
2034 * Output "line too long" warning.
2036 * @param Line Line number in configuration file.
2037 * @param Item Affected variable name.
2040 Config_Error_TooLong ( const int Line, const char *Item )
2042 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
2046 * Output "unknown variable" warning.
2048 * @param Line Line number in configuration file.
2049 * @param Item Affected variable name.
2050 * @param Section Section name.
2053 Config_Error_Section(const int Line, const char *Item, const char *Section)
2055 Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
2056 NGIRCd_ConfFile, Line, Section, Item);
2060 * Output "not a number" warning.
2062 * @param Line Line number in configuration file.
2063 * @param Item Affected variable name.
2066 Config_Error_NaN( const int Line, const char *Item )
2068 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
2069 NGIRCd_ConfFile, Line, Item );
2073 * Output configuration error to console and/or logfile.
2075 * On runtime, the normal log functions of the daemon are used. But when
2076 * testing the configuration ("--configtest"), all messages go directly
2079 * @param Level Severity level of the message.
2080 * @param Format Format string; see printf() function.
2083 static void Config_Error( const int Level, const char *Format, ... )
2085 static void Config_Error( Level, Format, va_alist )
2091 char msg[MAX_LOG_MSG_LEN];
2094 assert( Format != NULL );
2097 va_start( ap, Format );
2101 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
2105 if (Level <= LOG_WARNING)
2106 printf(" - %s\n", msg);
2110 Log(Level, "%s", msg);
2116 * Dump internal state of the "configuration module".
2119 Conf_DebugDump(void)
2123 Log(LOG_DEBUG, "Configured servers:");
2124 for (i = 0; i < MAX_SERVERS; i++) {
2125 if (! Conf_Server[i].name[0])
2128 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
2129 Conf_Server[i].name, Conf_Server[i].host,
2130 Conf_Server[i].port, Conf_Server[i].lasttry,
2131 Conf_Server[i].group, Conf_Server[i].flags,
2132 Conf_Server[i].conn_id);
2139 * Initialize server configuration structur to default values.
2141 * @param Server Pointer to server structure to initialize.
2144 Init_Server_Struct( CONF_SERVER *Server )
2146 assert( Server != NULL );
2148 memset( Server, 0, sizeof (CONF_SERVER) );
2150 Server->group = NONE;
2151 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
2153 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
2155 Proc_InitStruct(&Server->res_stat);
2156 Server->conn_id = NONE;
2157 memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));