2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
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.
11 * Configuration management (reading, parsing & validation)
32 #include <sys/types.h>
52 static bool Use_Log = true;
53 static CONF_SERVER New_Server;
54 static int New_Server_Idx;
56 static size_t Conf_Oper_Count;
57 static size_t Conf_Channel_Count;
58 static char Conf_MotdFile[FNAME_LEN];
60 static void Set_Defaults PARAMS(( bool InitServers ));
61 static bool Read_Config PARAMS(( bool ngircd_starting ));
62 static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
64 static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
65 static void Handle_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_TooLong PARAMS(( const int LINE, const char *Value ));
74 static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
77 #define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
79 #define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
83 struct SSLOptions Conf_SSLOptions;
88 free(Conf_SSLOptions.KeyFile);
89 Conf_SSLOptions.KeyFile = NULL;
91 free(Conf_SSLOptions.CertFile);
92 Conf_SSLOptions.CertFile = NULL;
94 free(Conf_SSLOptions.DHFile);
95 Conf_SSLOptions.DHFile = NULL;
96 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
100 ssl_print_configvar(const char *name, const char *file)
105 printf(" %s =\n", name);
109 fp = fopen(file, "r");
113 fprintf(stderr, "ERROR: %s \"%s\": %s\n",
114 name, file, strerror(errno));
116 printf(" %s = %s\n", name, file);
125 ret = ssl_print_configvar("SSLKeyFile", Conf_SSLOptions.KeyFile);
127 if (!ssl_print_configvar("SSLCertFile", Conf_SSLOptions.CertFile))
130 if (!ssl_print_configvar("SSLDHFile", Conf_SSLOptions.DHFile))
133 if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
134 puts(" SSLKeyFilePassword = <secret>");
136 array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
143 strdup_warn(const char *str)
145 char *ptr = strdup(str);
147 Config_Error(LOG_ERR, "Could not allocate mem for string: %s", str);
157 len = array_length(a, sizeof(UINT16));
159 ports = (UINT16*) array_start(a);
160 printf("%u", (unsigned int) *ports);
163 printf(", %u", (unsigned int) *ports);
171 ports_parse(array *a, int Line, char *Arg)
179 /* Ports on that the server should listen. More port numbers
180 * must be separated by "," */
181 ptr = strtok( Arg, "," );
185 if (port > 0 && port < 0xFFFF) {
186 port16 = (UINT16) port;
187 if (!array_catb(a, (char*)&port16, sizeof port16))
188 Config_Error(LOG_ERR, "%s, line %d Could not add port number %ld: %s",
189 NGIRCd_ConfFile, Line, port, strerror(errno));
191 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!",
192 NGIRCd_ConfFile, Line, port );
195 ptr = strtok( NULL, "," );
204 Validate_Config(false, false);
211 if (!Read_Config(false))
213 Validate_Config(false, true);
215 /* Update CLIENT structure of local server */
216 Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
218 } /* Config_Rehash */
222 yesno_to_str(int boolean_value)
233 struct Conf_Oper *op;
236 len = array_length(&Conf_Opers, sizeof(*op));
237 op = array_start(&Conf_Opers);
242 array_free(&Conf_Opers);
248 struct Conf_Oper *op;
251 len = array_length(&Conf_Opers, sizeof(*op));
252 op = array_start(&Conf_Opers);
257 printf(" Name = %s\n", op->name);
258 printf(" Password = %s\n", op->pwd);
259 printf(" Mask = %s\n\n", op->mask ? op->mask : "");
268 /* Read configuration, validate and output it. */
274 size_t predef_channel_count;
275 struct Conf_Channel *predef_chan;
279 if (! Read_Config(true))
282 config_valid = Validate_Config(true, false);
284 /* If stdin and stdout ("you can read our nice message and we can
285 * read in your keypress") are valid tty's, wait for a key: */
286 if( isatty( fileno( stdin )) && isatty( fileno( stdout ))) {
287 puts( "OK, press enter to see a dump of your service configuration ..." );
290 puts( "Ok, dump of your server configuration follows:\n" );
294 printf(" Name = %s\n", Conf_ServerName);
295 printf(" Info = %s\n", Conf_ServerInfo);
297 printf(" Password = %s\n", Conf_ServerPwd);
299 printf(" WebircPassword = %s\n", Conf_WebircPwd);
300 printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
301 printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
302 printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
303 printf(" MotdFile = %s\n", Conf_MotdFile);
304 printf(" MotdPhrase = %.32s\n", array_bytes(&Conf_Motd) ? (const char*) array_start(&Conf_Motd) : "");
305 printf(" ChrootDir = %s\n", Conf_Chroot);
306 printf(" PidFile = %s\n", Conf_PidFile);
307 printf(" Listen = %s\n", Conf_ListenAddress);
308 fputs(" Ports = ", stdout);
309 ports_puts(&Conf_ListenPorts);
311 fputs(" SSLPorts = ", stdout);
312 ports_puts(&Conf_SSLOptions.ListenPorts);
314 config_valid = false;
317 pwd = getpwuid(Conf_UID);
319 printf(" ServerUID = %s\n", pwd->pw_name);
321 printf(" ServerUID = %ld\n", (long)Conf_UID);
322 grp = getgrgid(Conf_GID);
324 printf(" ServerGID = %s\n", grp->gr_name);
326 printf(" ServerGID = %ld\n", (long)Conf_GID);
328 printf(" SyslogFacility = %s\n",
329 ngt_SyslogFacilityName(Conf_SyslogFacility));
331 printf(" PingTimeout = %d\n", Conf_PingTimeout);
332 printf(" PongTimeout = %d\n", Conf_PongTimeout);
333 printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
334 printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
335 printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
336 printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
337 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
338 printf(" NoDNS = %s\n", yesno_to_str(Conf_NoDNS));
339 printf(" NoIdent = %s\n", yesno_to_str(Conf_NoIdent));
340 printf(" NoPAM = %s\n", yesno_to_str(Conf_NoPAM));
343 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
344 printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
346 printf(" MaxConnections = %ld\n", Conf_MaxConnections);
347 printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
348 printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
349 printf(" MaxNickLength = %u\n\n", Conf_MaxNickLength - 1);
353 for( i = 0; i < MAX_SERVERS; i++ ) {
354 if( ! Conf_Server[i].name[0] ) continue;
356 /* Valid "Server" section */
358 printf( " Name = %s\n", Conf_Server[i].name );
359 printf( " Host = %s\n", Conf_Server[i].host );
360 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
362 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
364 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
365 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
366 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
367 printf( " Group = %d\n", Conf_Server[i].group );
368 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
371 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
372 predef_chan = array_start(&Conf_Channels);
374 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
375 if (!predef_chan->name[0])
378 /* Valid "Channel" section */
380 printf(" Name = %s\n", predef_chan->name);
381 printf(" Modes = %s\n", predef_chan->modes);
382 printf(" Key = %s\n", predef_chan->key);
383 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
384 printf(" Topic = %s\n", predef_chan->topic);
385 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
388 return (config_valid ? 0 : 1);
393 Conf_UnsetServer( CONN_ID Idx )
395 /* Set next time for next connection attempt, if this is a server
396 * link that is (still) configured here. If the server is set as
397 * "once", delete it from our configuration.
398 * Non-Server-Connections will be silently ignored. */
403 /* Check all our configured servers */
404 for( i = 0; i < MAX_SERVERS; i++ ) {
405 if( Conf_Server[i].conn_id != Idx ) continue;
407 /* Gotcha! Mark server configuration as "unused": */
408 Conf_Server[i].conn_id = NONE;
410 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
411 /* Delete configuration here */
412 Init_Server_Struct( &Conf_Server[i] );
414 /* Set time for next connect attempt */
416 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
417 /* The connection has been "long", so we don't
418 * require the next attempt to be delayed. */
419 Conf_Server[i].lasttry =
420 t - Conf_ConnectRetry + RECONNECT_DELAY;
422 Conf_Server[i].lasttry = t;
425 } /* Conf_UnsetServer */
429 Conf_SetServer( int ConfServer, CONN_ID Idx )
431 /* Set connection for specified configured server */
433 assert( ConfServer > NONE );
434 assert( Idx > NONE );
436 Conf_Server[ConfServer].conn_id = Idx;
437 } /* Conf_SetServer */
441 Conf_GetServer( CONN_ID Idx )
443 /* Get index of server in configuration structure */
447 assert( Idx > NONE );
449 for( i = 0; i < MAX_SERVERS; i++ ) {
450 if( Conf_Server[i].conn_id == Idx ) return i;
453 } /* Conf_GetServer */
457 Conf_EnableServer( const char *Name, UINT16 Port )
459 /* Enable specified server and adjust port */
463 assert( Name != NULL );
465 for( i = 0; i < MAX_SERVERS; i++ ) {
466 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
467 /* Gotcha! Set port and enable server: */
468 Conf_Server[i].port = Port;
469 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
470 return (Conf_Server[i].port && Conf_Server[i].host[0]);
474 } /* Conf_EnableServer */
478 Conf_EnablePassiveServer(const char *Name)
480 /* Enable specified server */
483 assert( Name != NULL );
484 for (i = 0; i < MAX_SERVERS; i++) {
485 if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) {
486 /* BINGO! Enable server */
487 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
492 } /* Conf_EnablePassiveServer */
496 Conf_DisableServer( const char *Name )
498 /* Enable specified server and adjust port */
502 assert( Name != NULL );
504 for( i = 0; i < MAX_SERVERS; i++ ) {
505 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
506 /* Gotcha! Disable and disconnect server: */
507 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
508 if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", true);
513 } /* Conf_DisableServer */
517 Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const char *PeerPwd )
519 /* Add new server to configuration */
523 assert( Name != NULL );
524 assert( Host != NULL );
525 assert( MyPwd != NULL );
526 assert( PeerPwd != NULL );
528 /* Search unused item in server configuration structure */
529 for( i = 0; i < MAX_SERVERS; i++ ) {
530 /* Is this item used? */
531 if( ! Conf_Server[i].name[0] ) break;
533 if( i >= MAX_SERVERS ) return false;
535 Init_Server_Struct( &Conf_Server[i] );
536 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
537 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
538 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
539 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
540 Conf_Server[i].port = Port;
541 Conf_Server[i].flags = CONF_SFLAG_ONCE;
544 } /* Conf_AddServer */
548 * Check if the given nick name is an service
551 Conf_IsService(int ConfServer, const char *Nick)
553 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
554 } /* Conf_IsService */
558 * Initialize configuration settings with their default values.
561 Set_Defaults(bool InitServers)
565 strcpy(Conf_ServerName, "");
566 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
567 PACKAGE_NAME, PACKAGE_VERSION);
568 strcpy(Conf_ServerPwd, "");
570 strcpy(Conf_ServerAdmin1, "");
571 strcpy(Conf_ServerAdmin2, "");
572 strcpy(Conf_ServerAdminMail, "");
574 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
575 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
577 Conf_UID = Conf_GID = 0;
578 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
579 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
581 free(Conf_ListenAddress);
582 Conf_ListenAddress = NULL;
584 Conf_PingTimeout = 120;
585 Conf_PongTimeout = 20;
586 Conf_ConnectRetry = 60;
588 Conf_NoIdent = false;
592 Conf_Channel_Count = 0;
594 Conf_OperCanMode = false;
595 Conf_OperServerMode = false;
596 Conf_AllowRemoteOper = false;
597 Conf_PredefChannelsOnly = false;
599 Conf_ConnectIPv4 = true;
600 Conf_ConnectIPv6 = true;
602 Conf_MaxConnections = 0;
603 Conf_MaxConnectionsIP = 5;
605 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
609 Conf_SyslogFacility = LOG_LOCAL5;
611 Conf_SyslogFacility = 0;
615 /* Initialize server configuration structures */
617 for (i = 0; i < MAX_SERVERS;
618 Init_Server_Struct(&Conf_Server[i++]));
626 size_t cnt = array_bytes(&Conf_ListenPorts);
628 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
634 Read_Motd(const char *filename)
639 if (*filename == '\0')
642 fp = fopen(filename, "r");
644 Log(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
645 filename, strerror(errno));
649 array_free(&Conf_Motd);
651 while (fgets(line, (int)sizeof line, fp)) {
652 ngt_TrimLastChr( line, '\n');
654 /* add text including \0 */
655 if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
656 Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
664 Read_Config( bool ngircd_starting )
666 /* Read configuration file. */
668 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
669 const UINT16 defaultport = 6667;
673 /* Open configuration file */
674 fd = fopen( NGIRCd_ConfFile, "r" );
676 /* No configuration file found! */
677 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
678 NGIRCd_ConfFile, strerror( errno ));
679 if (!ngircd_starting)
681 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
686 Set_Defaults( ngircd_starting );
688 Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
690 /* Clean up server configuration structure: mark all already
691 * configured servers as "once" so that they are deleted
692 * after the next disconnect and delete all unused servers.
693 * And delete all servers which are "duplicates" of servers
694 * that are already marked as "once" (such servers have been
695 * created by the last rehash but are now useless). */
696 for( i = 0; i < MAX_SERVERS; i++ ) {
697 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
699 /* This structure is in use ... */
700 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
701 /* Check for duplicates */
702 for( n = 0; n < MAX_SERVERS; n++ ) {
703 if( n == i ) continue;
705 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
706 Init_Server_Struct( &Conf_Server[n] );
708 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
714 /* Mark server as "once" */
715 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
716 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
721 /* Initialize variables */
723 strcpy( section, "" );
724 Init_Server_Struct( &New_Server );
725 New_Server_Idx = NONE;
729 /* Read configuration file */
731 if( ! fgets( str, LINE_LEN, fd )) break;
735 /* Skip comments and empty lines */
736 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
738 /* Is this the beginning of a new section? */
739 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
740 strlcpy( section, str, sizeof( section ));
741 if( strcasecmp( section, "[GLOBAL]" ) == 0 )
744 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
745 /* Check if there is already a server to add */
746 if( New_Server.name[0] ) {
747 /* Copy data to "real" server structure */
748 assert( New_Server_Idx > NONE );
749 Conf_Server[New_Server_Idx] = New_Server;
752 /* Re-init structure for new server */
753 Init_Server_Struct( &New_Server );
755 /* Search unused item in server configuration structure */
756 for( i = 0; i < MAX_SERVERS; i++ ) {
757 /* Is this item used? */
758 if( ! Conf_Server[i].name[0] ) break;
760 if( i >= MAX_SERVERS ) {
761 /* Oops, no free item found! */
762 Config_Error( LOG_ERR, "Too many servers configured." );
763 New_Server_Idx = NONE;
765 else New_Server_Idx = i;
768 if (strcasecmp(section, "[CHANNEL]") == 0) {
769 Conf_Channel_Count++;
772 if (strcasecmp(section, "[OPERATOR]") == 0) {
777 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
780 if( section[0] == 0x1 ) continue;
782 /* Split line into variable name and parameters */
783 ptr = strchr( str, '=' );
785 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
789 var = str; ngt_TrimStr( var );
790 arg = ptr + 1; ngt_TrimStr( arg );
792 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
793 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
794 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
795 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
796 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
799 /* Close configuration file */
802 /* Check if there is still a server to add */
803 if( New_Server.name[0] ) {
804 /* Copy data to "real" server structure */
805 assert( New_Server_Idx > NONE );
806 Conf_Server[New_Server_Idx] = New_Server;
809 /* not a single listening port? Add default. */
810 if (no_listenports() &&
811 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
813 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
814 (unsigned int) defaultport, strerror(errno));
819 if (!Conf_ListenAddress)
820 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
822 if (!Conf_ListenAddress) {
823 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
827 /* No MOTD phrase configured? (re)try motd file. */
828 if (array_bytes(&Conf_Motd) == 0)
829 Read_Motd(Conf_MotdFile);
835 Check_ArgIsTrue( const char *Arg )
837 if( strcasecmp( Arg, "yes" ) == 0 ) return true;
838 if( strcasecmp( Arg, "true" ) == 0 ) return true;
839 if( atoi( Arg ) != 0 ) return true;
842 } /* Check_ArgIsTrue */
845 static unsigned int Handle_MaxNickLength(int Line, const char *Arg)
849 new = (unsigned) atoi(Arg) + 1;
850 if (new > CLIENT_NICK_LEN) {
851 Config_Error(LOG_WARNING,
852 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
853 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
854 return CLIENT_NICK_LEN;
857 Config_Error(LOG_WARNING,
858 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
859 NGIRCd_ConfFile, Line);
863 } /* Handle_MaxNickLength */
868 Handle_GLOBAL( int Line, char *Var, char *Arg )
875 assert( Var != NULL );
876 assert( Arg != NULL );
878 if( strcasecmp( Var, "Name" ) == 0 ) {
880 len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName ));
881 if (len >= sizeof( Conf_ServerName ))
882 Config_Error_TooLong( Line, Var );
885 if( strcasecmp( Var, "Info" ) == 0 ) {
886 /* Info text of server */
887 len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo ));
888 if (len >= sizeof( Conf_ServerInfo ))
889 Config_Error_TooLong ( Line, Var );
892 if( strcasecmp( Var, "Password" ) == 0 ) {
893 /* Global server password */
894 len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd ));
895 if (len >= sizeof( Conf_ServerPwd ))
896 Config_Error_TooLong( Line, Var );
899 if (strcasecmp(Var, "WebircPassword") == 0) {
900 /* Password required for WEBIRC command */
901 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
902 if (len >= sizeof(Conf_WebircPwd))
903 Config_Error_TooLong(Line, Var);
906 if( strcasecmp( Var, "AdminInfo1" ) == 0 ) {
907 /* Administrative info #1 */
908 len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 ));
909 if (len >= sizeof( Conf_ServerAdmin1 ))
910 Config_Error_TooLong ( Line, Var );
913 if( strcasecmp( Var, "AdminInfo2" ) == 0 ) {
914 /* Administrative info #2 */
915 len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 ));
916 if (len >= sizeof( Conf_ServerAdmin2 ))
917 Config_Error_TooLong ( Line, Var );
920 if( strcasecmp( Var, "AdminEMail" ) == 0 ) {
921 /* Administrative email contact */
922 len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail ));
923 if (len >= sizeof( Conf_ServerAdminMail ))
924 Config_Error_TooLong( Line, Var );
928 if( strcasecmp( Var, "Ports" ) == 0 ) {
929 ports_parse(&Conf_ListenPorts, Line, Arg);
932 if( strcasecmp( Var, "MotdFile" ) == 0 ) {
933 len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile ));
934 if (len >= sizeof( Conf_MotdFile ))
935 Config_Error_TooLong( Line, Var );
939 if( strcasecmp( Var, "MotdPhrase" ) == 0 ) {
940 /* "Message of the day" phrase (instead of file) */
944 if (len >= LINE_LEN) {
945 Config_Error_TooLong( Line, Var );
948 if (!array_copyb(&Conf_Motd, Arg, len + 1))
949 Config_Error(LOG_WARNING, "%s, line %d: Could not append MotdPhrase: %s",
950 NGIRCd_ConfFile, Line, strerror(errno));
953 if( strcasecmp( Var, "ChrootDir" ) == 0 ) {
954 /* directory for chroot() */
955 len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot ));
956 if (len >= sizeof( Conf_Chroot ))
957 Config_Error_TooLong( Line, Var );
960 if ( strcasecmp( Var, "PidFile" ) == 0 ) {
961 /* name of pidfile */
962 len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile ));
963 if (len >= sizeof( Conf_PidFile ))
964 Config_Error_TooLong( Line, Var );
967 if( strcasecmp( Var, "ServerUID" ) == 0 ) {
968 /* UID the daemon should switch to */
969 pwd = getpwnam( Arg );
970 if( pwd ) Conf_UID = pwd->pw_uid;
973 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
976 Conf_UID = (unsigned int)atoi( Arg );
980 if( strcasecmp( Var, "ServerGID" ) == 0 ) {
981 /* GID the daemon should use */
982 grp = getgrnam( Arg );
983 if( grp ) Conf_GID = grp->gr_gid;
986 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
989 Conf_GID = (unsigned int)atoi( Arg );
993 if( strcasecmp( Var, "PingTimeout" ) == 0 ) {
995 Conf_PingTimeout = atoi( Arg );
996 if( Conf_PingTimeout < 5 ) {
997 Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!",
998 NGIRCd_ConfFile, Line );
999 Conf_PingTimeout = 5;
1003 if( strcasecmp( Var, "PongTimeout" ) == 0 ) {
1005 Conf_PongTimeout = atoi( Arg );
1006 if( Conf_PongTimeout < 5 ) {
1007 Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!",
1008 NGIRCd_ConfFile, Line );
1009 Conf_PongTimeout = 5;
1013 if( strcasecmp( Var, "ConnectRetry" ) == 0 ) {
1014 /* Seconds between connection attempts to other servers */
1015 Conf_ConnectRetry = atoi( Arg );
1016 if( Conf_ConnectRetry < 5 ) {
1017 Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!",
1018 NGIRCd_ConfFile, Line );
1019 Conf_ConnectRetry = 5;
1023 if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) {
1024 /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
1025 Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
1028 if( strcasecmp( Var, "NoDNS" ) == 0 ) {
1029 /* don't do reverse dns lookups when clients connect? */
1030 Conf_NoDNS = Check_ArgIsTrue( Arg );
1033 if (strcasecmp(Var, "NoIdent") == 0) {
1034 /* don't do IDENT lookups when clients connect? */
1035 Conf_NoIdent = Check_ArgIsTrue(Arg);
1037 if (!Conf_NoIdent) {
1038 /* user has enabled ident lookups explicitly, but ... */
1039 Config_Error(LOG_WARNING,
1040 "%s: line %d: NoIdent=False, but ngircd was built without IDENT support",
1041 NGIRCd_ConfFile, Line);
1046 if(strcasecmp(Var, "NoPAM") == 0) {
1047 /* don't use PAM library to authenticate users */
1048 Conf_NoPAM = Check_ArgIsTrue(Arg);
1052 /* the default setting for all the WANT_IPV6 special options is 'true' */
1053 if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) {
1054 /* connect to other hosts using ipv6, if they have an AAAA record? */
1055 Conf_ConnectIPv6 = Check_ArgIsTrue( Arg );
1058 if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) {
1059 /* connect to other hosts using ipv4.
1060 * again, this can be used for ipv6-only setups */
1061 Conf_ConnectIPv4 = Check_ArgIsTrue( Arg );
1065 if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
1066 /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
1067 Conf_OperCanMode = Check_ArgIsTrue( Arg );
1070 if( strcasecmp( Var, "OperServerMode" ) == 0 ) {
1071 /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */
1072 Conf_OperServerMode = Check_ArgIsTrue( Arg );
1075 if(strcasecmp(Var, "AllowRemoteOper") == 0) {
1076 /* Are remote IRC operators allowed to control this server? */
1077 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1080 if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
1081 /* Maximum number of connections. 0 -> "no limit". */
1083 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
1086 Conf_MaxConnections = atol( Arg );
1089 if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
1090 /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */
1092 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1095 Conf_MaxConnectionsIP = atoi( Arg );
1098 if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
1099 /* Maximum number of channels a user can join. 0 -> "no limit". */
1101 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1104 Conf_MaxJoins = atoi( Arg );
1107 if( strcasecmp( Var, "MaxNickLength" ) == 0 ) {
1108 /* Maximum length of a nick name; must be same on all servers
1109 * within the IRC network! */
1110 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1114 if( strcasecmp( Var, "Listen" ) == 0 ) {
1115 /* IP-Address to bind sockets */
1116 if (Conf_ListenAddress) {
1117 Config_Error(LOG_ERR, "Multiple Listen= options, ignoring: %s", Arg);
1120 Conf_ListenAddress = strdup_warn(Arg);
1122 * if allocation fails, we're in trouble:
1123 * we cannot ignore the error -- otherwise ngircd
1124 * would listen on all interfaces.
1126 if (!Conf_ListenAddress) {
1127 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1134 if( strcasecmp( Var, "SSLPorts" ) == 0 ) {
1135 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1139 if( strcasecmp( Var, "SSLKeyFile" ) == 0 ) {
1140 assert(Conf_SSLOptions.KeyFile == NULL );
1141 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1144 if( strcasecmp( Var, "SSLCertFile" ) == 0 ) {
1145 assert(Conf_SSLOptions.CertFile == NULL );
1146 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1150 if( strcasecmp( Var, "SSLKeyFilePassword" ) == 0 ) {
1151 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1152 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1153 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Could not copy %s: %s!",
1154 NGIRCd_ConfFile, Line, Var, strerror(errno));
1157 if( strcasecmp( Var, "SSLDHFile" ) == 0 ) {
1158 assert(Conf_SSLOptions.DHFile == NULL);
1159 Conf_SSLOptions.DHFile = strdup_warn( Arg );
1164 if (strcasecmp(Var, "SyslogFacility") == 0) {
1165 Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
1166 Conf_SyslogFacility);
1170 Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
1171 NGIRCd_ConfFile, Line, Var);
1172 } /* Handle_GLOBAL */
1176 Handle_OPERATOR( int Line, char *Var, char *Arg )
1179 struct Conf_Oper *op;
1182 assert( Var != NULL );
1183 assert( Arg != NULL );
1184 assert( Conf_Oper_Count > 0 );
1186 op = array_alloc(&Conf_Opers, sizeof(*op), Conf_Oper_Count - 1);
1188 Config_Error(LOG_ERR, "Could not allocate memory for operator (%d:%s = %s)", Line, Var, Arg);
1192 if (strcasecmp(Var, "Name") == 0) {
1193 /* Name of IRC operator */
1194 len = strlcpy(op->name, Arg, sizeof(op->name));
1195 if (len >= sizeof(op->name))
1196 Config_Error_TooLong(Line, Var);
1199 if (strcasecmp(Var, "Password") == 0) {
1200 /* Password of IRC operator */
1201 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1202 if (len >= sizeof(op->pwd))
1203 Config_Error_TooLong(Line, Var);
1206 if (strcasecmp(Var, "Mask") == 0) {
1208 return; /* Hostname already configured */
1209 op->mask = strdup_warn( Arg );
1212 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!",
1213 NGIRCd_ConfFile, Line, Var );
1214 } /* Handle_OPERATOR */
1218 Handle_SERVER( int Line, char *Var, char *Arg )
1224 assert( Var != NULL );
1225 assert( Arg != NULL );
1227 /* Ignore server block if no space is left in server configuration structure */
1228 if( New_Server_Idx <= NONE ) return;
1230 if( strcasecmp( Var, "Host" ) == 0 ) {
1231 /* Hostname of the server */
1232 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1233 if (len >= sizeof( New_Server.host ))
1234 Config_Error_TooLong ( Line, Var );
1237 if( strcasecmp( Var, "Name" ) == 0 ) {
1238 /* Name of the server ("Nick"/"ID") */
1239 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1240 if (len >= sizeof( New_Server.name ))
1241 Config_Error_TooLong( Line, Var );
1244 if (strcasecmp(Var, "Bind") == 0) {
1245 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1248 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1249 NGIRCd_ConfFile, Line, Arg);
1252 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1253 /* Password of this server which is sent to the peer */
1255 Config_Error(LOG_ERR,
1256 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1257 NGIRCd_ConfFile, Line);
1259 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1260 if (len >= sizeof( New_Server.pwd_in ))
1261 Config_Error_TooLong( Line, Var );
1264 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1265 /* Passwort of the peer which must be received */
1266 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1267 if (len >= sizeof( New_Server.pwd_out ))
1268 Config_Error_TooLong( Line, Var );
1271 if( strcasecmp( Var, "Port" ) == 0 ) {
1272 /* Port to which this server should connect */
1274 if( port > 0 && port < 0xFFFF )
1275 New_Server.port = (UINT16)port;
1277 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!",
1278 NGIRCd_ConfFile, Line, port );
1282 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1283 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1287 if( strcasecmp( Var, "Group" ) == 0 ) {
1290 if( ! isdigit( (int)*Arg ))
1291 Config_Error_NaN( Line, Var );
1294 New_Server.group = atoi( Arg );
1297 if( strcasecmp( Var, "Passive" ) == 0 ) {
1298 if (Check_ArgIsTrue(Arg))
1299 New_Server.flags |= CONF_SFLAG_DISABLED;
1302 if (strcasecmp(Var, "ServiceMask") == 0) {
1303 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1304 sizeof(New_Server.svs_mask));
1305 if (len >= sizeof(New_Server.svs_mask))
1306 Config_Error_TooLong(Line, Var);
1310 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
1311 NGIRCd_ConfFile, Line, Var );
1312 } /* Handle_SERVER */
1316 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1318 size_t size = sizeof(new_chan->name);
1319 char *dest = new_chan->name;
1321 if (!Channel_IsValidName(name)) {
1323 * maybe user forgot to add a '#'.
1324 * This is only here for user convenience.
1330 return size > strlcpy(dest, name, size);
1335 Handle_CHANNEL(int Line, char *Var, char *Arg)
1339 struct Conf_Channel *chan;
1342 assert( Var != NULL );
1343 assert( Arg != NULL );
1344 assert(Conf_Channel_Count > 0);
1346 chancount = Conf_Channel_Count - 1;
1348 chan = array_alloc(&Conf_Channels, sizeof(*chan), chancount);
1350 Config_Error(LOG_ERR, "Could not allocate memory for predefined channel (%d:%s = %s)", Line, Var, Arg);
1353 if (strcasecmp(Var, "Name") == 0) {
1354 if (!Handle_Channelname(chan, Arg))
1355 Config_Error_TooLong(Line, Var);
1358 if (strcasecmp(Var, "Modes") == 0) {
1360 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1361 if (len >= sizeof(chan->modes))
1362 Config_Error_TooLong( Line, Var );
1365 if( strcasecmp( Var, "Topic" ) == 0 ) {
1367 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1368 if (len >= sizeof(chan->topic))
1369 Config_Error_TooLong( Line, Var );
1372 if( strcasecmp( Var, "Key" ) == 0 ) {
1373 /* Initial Channel Key (mode k) */
1374 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1375 if (len >= sizeof(chan->key))
1376 Config_Error_TooLong(Line, Var);
1379 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1380 /* maximum user limit, mode l */
1381 chan->maxusers = (unsigned long) atol(Arg);
1382 if (chan->maxusers == 0)
1383 Config_Error_NaN(Line, Var);
1386 if (strcasecmp(Var, "KeyFile") == 0) {
1388 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1389 if (len >= sizeof(chan->keyfile))
1390 Config_Error_TooLong(Line, Var);
1394 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
1395 NGIRCd_ConfFile, Line, Var );
1396 } /* Handle_CHANNEL */
1400 Validate_Config(bool Configtest, bool Rehash)
1402 /* Validate configuration settings. */
1405 int i, servers, servers_once;
1407 bool config_valid = true;
1410 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1411 ptr = Conf_ServerName;
1413 if (*ptr >= 'a' && *ptr <= 'z') continue;
1414 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1415 if (*ptr >= '0' && *ptr <= '9') continue;
1416 if (ptr > Conf_ServerName) {
1417 if (*ptr == '.' || *ptr == '-')
1420 Conf_ServerName[0] = '\0';
1424 if (!Conf_ServerName[0]) {
1425 /* No server name configured! */
1426 config_valid = false;
1427 Config_Error(LOG_ALERT,
1428 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1430 if (!Configtest && !Rehash) {
1431 Config_Error(LOG_ALERT,
1432 "%s exiting due to fatal errors!",
1438 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1439 /* No dot in server name! */
1440 config_valid = false;
1441 Config_Error(LOG_ALERT,
1442 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1445 Config_Error(LOG_ALERT,
1446 "%s exiting due to fatal errors!",
1453 if (!Conf_ServerAdminMail[0]) {
1454 /* No administrative contact configured! */
1455 config_valid = false;
1456 Config_Error(LOG_ALERT,
1457 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1460 Config_Error(LOG_ALERT,
1461 "%s exiting due to fatal errors!",
1468 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1469 && !Conf_ServerAdminMail[0]) {
1470 /* No administrative information configured! */
1471 Config_Error(LOG_WARNING,
1472 "No administrative information configured but required by RFC!");
1476 if (Conf_ServerPwd[0])
1477 Config_Error(LOG_ERR,
1478 "This server uses PAM, \"Password\" will be ignored!");
1482 servers = servers_once = 0;
1483 for (i = 0; i < MAX_SERVERS; i++) {
1484 if (Conf_Server[i].name[0]) {
1486 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1491 "Configuration: Operators=%d, Servers=%d[%d], Channels=%d",
1492 Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
1495 return config_valid;
1496 } /* Validate_Config */
1500 Config_Error_TooLong ( const int Line, const char *Item )
1502 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1507 Config_Error_NaN( const int Line, const char *Item )
1509 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
1510 NGIRCd_ConfFile, Line, Item );
1515 static void Config_Error( const int Level, const char *Format, ... )
1517 static void Config_Error( Level, Format, va_alist )
1523 /* Error! Write to console and/or logfile. */
1525 char msg[MAX_LOG_MSG_LEN];
1528 assert( Format != NULL );
1531 va_start( ap, Format );
1535 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
1538 /* During "normal operations" the log functions of the daemon should
1539 * be used, but during testing of the configuration file, all messages
1540 * should go directly to the console: */
1541 if (Use_Log) Log( Level, "%s", msg );
1543 } /* Config_Error */
1549 Conf_DebugDump(void)
1553 Log(LOG_DEBUG, "Configured servers:");
1554 for (i = 0; i < MAX_SERVERS; i++) {
1555 if (! Conf_Server[i].name[0])
1558 " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
1559 Conf_Server[i].name, Conf_Server[i].host,
1560 Conf_Server[i].port, Conf_Server[i].lasttry,
1561 Conf_Server[i].group, Conf_Server[i].flags,
1562 Conf_Server[i].conn_id);
1564 } /* Conf_DebugDump */
1570 Init_Server_Struct( CONF_SERVER *Server )
1572 /* Initialize server configuration structur to default values */
1574 assert( Server != NULL );
1576 memset( Server, 0, sizeof (CONF_SERVER) );
1578 Server->group = NONE;
1579 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
1581 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
1583 Proc_InitStruct(&Server->res_stat);
1584 Server->conn_id = NONE;
1585 memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
1586 } /* Init_Server_Struct */