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>
54 static bool Use_Log = true;
55 static CONF_SERVER New_Server;
56 static int New_Server_Idx;
58 static size_t Conf_Oper_Count;
59 static size_t Conf_Channel_Count;
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);
296 printf(" Password = %s\n", Conf_ServerPwd);
297 printf(" WebircPassword = %s\n", Conf_WebircPwd);
298 printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
299 printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
300 printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
301 printf(" MotdFile = %s\n", Conf_MotdFile);
302 printf(" MotdPhrase = %s\n", Conf_MotdPhrase);
303 printf(" ChrootDir = %s\n", Conf_Chroot);
304 printf(" PidFile = %s\n", Conf_PidFile);
305 printf(" Listen = %s\n", Conf_ListenAddress);
306 fputs(" Ports = ", stdout);
307 ports_puts(&Conf_ListenPorts);
309 fputs(" SSLPorts = ", stdout);
310 ports_puts(&Conf_SSLOptions.ListenPorts);
312 config_valid = false;
315 pwd = getpwuid(Conf_UID);
317 printf(" ServerUID = %s\n", pwd->pw_name);
319 printf(" ServerUID = %ld\n", (long)Conf_UID);
320 grp = getgrgid(Conf_GID);
322 printf(" ServerGID = %s\n", grp->gr_name);
324 printf(" ServerGID = %ld\n", (long)Conf_GID);
325 printf(" PingTimeout = %d\n", Conf_PingTimeout);
326 printf(" PongTimeout = %d\n", Conf_PongTimeout);
327 printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
328 printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
329 printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
330 printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
331 printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
332 printf(" NoDNS = %s\n", yesno_to_str(Conf_NoDNS));
333 printf(" NoIdent = %s\n", yesno_to_str(Conf_NoIdent));
336 printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
337 printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
339 printf(" MaxConnections = %ld\n", Conf_MaxConnections);
340 printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
341 printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
342 printf(" MaxNickLength = %u\n\n", Conf_MaxNickLength - 1);
346 for( i = 0; i < MAX_SERVERS; i++ ) {
347 if( ! Conf_Server[i].name[0] ) continue;
349 /* Valid "Server" section */
351 printf( " Name = %s\n", Conf_Server[i].name );
352 printf( " Host = %s\n", Conf_Server[i].host );
353 printf( " Port = %u\n", (unsigned int)Conf_Server[i].port );
355 printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
357 printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
358 printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
359 printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
360 printf( " Group = %d\n", Conf_Server[i].group );
361 printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
364 predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
365 predef_chan = array_start(&Conf_Channels);
367 for (i = 0; i < predef_channel_count; i++, predef_chan++) {
368 if (!predef_chan->name[0])
371 /* Valid "Channel" section */
373 printf(" Name = %s\n", predef_chan->name);
374 printf(" Modes = %s\n", predef_chan->modes);
375 printf(" Key = %s\n", predef_chan->key);
376 printf(" MaxUsers = %lu\n", predef_chan->maxusers);
377 printf(" Topic = %s\n", predef_chan->topic);
378 printf(" KeyFile = %s\n\n", predef_chan->keyfile);
381 return (config_valid ? 0 : 1);
386 Conf_UnsetServer( CONN_ID Idx )
388 /* Set next time for next connection attempt, if this is a server
389 * link that is (still) configured here. If the server is set as
390 * "once", delete it from our configuration.
391 * Non-Server-Connections will be silently ignored. */
396 /* Check all our configured servers */
397 for( i = 0; i < MAX_SERVERS; i++ ) {
398 if( Conf_Server[i].conn_id != Idx ) continue;
400 /* Gotcha! Mark server configuration as "unused": */
401 Conf_Server[i].conn_id = NONE;
403 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
404 /* Delete configuration here */
405 Init_Server_Struct( &Conf_Server[i] );
407 /* Set time for next connect attempt */
409 if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) {
410 /* The connection has been "long", so we don't
411 * require the next attempt to be delayed. */
412 Conf_Server[i].lasttry =
413 t - Conf_ConnectRetry + RECONNECT_DELAY;
415 Conf_Server[i].lasttry = t;
418 } /* Conf_UnsetServer */
422 Conf_SetServer( int ConfServer, CONN_ID Idx )
424 /* Set connection for specified configured server */
426 assert( ConfServer > NONE );
427 assert( Idx > NONE );
429 Conf_Server[ConfServer].conn_id = Idx;
430 } /* Conf_SetServer */
434 Conf_GetServer( CONN_ID Idx )
436 /* Get index of server in configuration structure */
440 assert( Idx > NONE );
442 for( i = 0; i < MAX_SERVERS; i++ ) {
443 if( Conf_Server[i].conn_id == Idx ) return i;
446 } /* Conf_GetServer */
450 Conf_EnableServer( const char *Name, UINT16 Port )
452 /* Enable specified server and adjust port */
456 assert( Name != NULL );
458 for( i = 0; i < MAX_SERVERS; i++ ) {
459 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
460 /* Gotcha! Set port and enable server: */
461 Conf_Server[i].port = Port;
462 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
463 return (Conf_Server[i].port && Conf_Server[i].host[0]);
467 } /* Conf_EnableServer */
471 Conf_EnablePassiveServer(const char *Name)
473 /* Enable specified server */
476 assert( Name != NULL );
477 for (i = 0; i < MAX_SERVERS; i++) {
478 if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) {
479 /* BINGO! Enable server */
480 Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
485 } /* Conf_EnablePassiveServer */
489 Conf_DisableServer( const char *Name )
491 /* Enable specified server and adjust port */
495 assert( Name != NULL );
497 for( i = 0; i < MAX_SERVERS; i++ ) {
498 if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
499 /* Gotcha! Disable and disconnect server: */
500 Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
501 if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", true);
506 } /* Conf_DisableServer */
510 Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const char *PeerPwd )
512 /* Add new server to configuration */
516 assert( Name != NULL );
517 assert( Host != NULL );
518 assert( MyPwd != NULL );
519 assert( PeerPwd != NULL );
521 /* Search unused item in server configuration structure */
522 for( i = 0; i < MAX_SERVERS; i++ ) {
523 /* Is this item used? */
524 if( ! Conf_Server[i].name[0] ) break;
526 if( i >= MAX_SERVERS ) return false;
528 Init_Server_Struct( &Conf_Server[i] );
529 strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name ));
530 strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host ));
531 strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out ));
532 strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in ));
533 Conf_Server[i].port = Port;
534 Conf_Server[i].flags = CONF_SFLAG_ONCE;
537 } /* Conf_AddServer */
541 * Check if the given nick name is an service
544 Conf_IsService(int ConfServer, const char *Nick)
546 return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
547 } /* Conf_IsService */
551 * Initialize configuration settings with their default values.
554 Set_Defaults(bool InitServers)
558 strcpy(Conf_ServerName, "");
559 snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
560 PACKAGE_NAME, PACKAGE_VERSION);
561 strcpy(Conf_ServerPwd, "");
563 strcpy(Conf_ServerAdmin1, "");
564 strcpy(Conf_ServerAdmin2, "");
565 strcpy(Conf_ServerAdminMail, "");
567 strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
568 strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
569 strlcpy(Conf_MotdPhrase, MOTD_PHRASE, sizeof(Conf_MotdPhrase));
571 Conf_UID = Conf_GID = 0;
572 strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
573 strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
575 free(Conf_ListenAddress);
576 Conf_ListenAddress = NULL;
578 Conf_PingTimeout = 120;
579 Conf_PongTimeout = 20;
580 Conf_ConnectRetry = 60;
582 Conf_NoIdent = false;
585 Conf_Channel_Count = 0;
587 Conf_OperCanMode = false;
588 Conf_OperServerMode = false;
589 Conf_AllowRemoteOper = false;
590 Conf_PredefChannelsOnly = false;
592 Conf_ConnectIPv4 = true;
593 Conf_ConnectIPv6 = true;
595 Conf_MaxConnections = 0;
596 Conf_MaxConnectionsIP = 5;
598 Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
600 /* Initialize server configuration structures */
602 for (i = 0; i < MAX_SERVERS;
603 Init_Server_Struct(&Conf_Server[i++]));
611 size_t cnt = array_bytes(&Conf_ListenPorts);
613 cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
619 Read_Config( bool ngircd_starting )
621 /* Read configuration file. */
623 char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
624 const UINT16 defaultport = 6667;
628 /* Open configuration file */
629 fd = fopen( NGIRCd_ConfFile, "r" );
631 /* No configuration file found! */
632 Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
633 NGIRCd_ConfFile, strerror( errno ));
634 if (!ngircd_starting)
636 Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
641 Set_Defaults( ngircd_starting );
643 Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
645 /* Clean up server configuration structure: mark all already
646 * configured servers as "once" so that they are deleted
647 * after the next disconnect and delete all unused servers.
648 * And delete all servers which are "duplicates" of servers
649 * that are already marked as "once" (such servers have been
650 * created by the last rehash but are now useless). */
651 for( i = 0; i < MAX_SERVERS; i++ ) {
652 if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
654 /* This structure is in use ... */
655 if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
656 /* Check for duplicates */
657 for( n = 0; n < MAX_SERVERS; n++ ) {
658 if( n == i ) continue;
660 if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
661 Init_Server_Struct( &Conf_Server[n] );
663 Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
669 /* Mark server as "once" */
670 Conf_Server[i].flags |= CONF_SFLAG_ONCE;
671 Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
676 /* Initialize variables */
678 strcpy( section, "" );
679 Init_Server_Struct( &New_Server );
680 New_Server_Idx = NONE;
684 /* Read configuration file */
686 if( ! fgets( str, LINE_LEN, fd )) break;
690 /* Skip comments and empty lines */
691 if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue;
693 /* Is this the beginning of a new section? */
694 if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) {
695 strlcpy( section, str, sizeof( section ));
696 if( strcasecmp( section, "[GLOBAL]" ) == 0 )
699 if( strcasecmp( section, "[SERVER]" ) == 0 ) {
700 /* Check if there is already a server to add */
701 if( New_Server.name[0] ) {
702 /* Copy data to "real" server structure */
703 assert( New_Server_Idx > NONE );
704 Conf_Server[New_Server_Idx] = New_Server;
707 /* Re-init structure for new server */
708 Init_Server_Struct( &New_Server );
710 /* Search unused item in server configuration structure */
711 for( i = 0; i < MAX_SERVERS; i++ ) {
712 /* Is this item used? */
713 if( ! Conf_Server[i].name[0] ) break;
715 if( i >= MAX_SERVERS ) {
716 /* Oops, no free item found! */
717 Config_Error( LOG_ERR, "Too many servers configured." );
718 New_Server_Idx = NONE;
720 else New_Server_Idx = i;
723 if (strcasecmp(section, "[CHANNEL]") == 0) {
724 Conf_Channel_Count++;
727 if (strcasecmp(section, "[OPERATOR]") == 0) {
732 Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section );
735 if( section[0] == 0x1 ) continue;
737 /* Split line into variable name and parameters */
738 ptr = strchr( str, '=' );
740 Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line );
744 var = str; ngt_TrimStr( var );
745 arg = ptr + 1; ngt_TrimStr( arg );
747 if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg );
748 else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg );
749 else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg );
750 else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg );
751 else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var );
754 /* Close configuration file */
757 /* Check if there is still a server to add */
758 if( New_Server.name[0] ) {
759 /* Copy data to "real" server structure */
760 assert( New_Server_Idx > NONE );
761 Conf_Server[New_Server_Idx] = New_Server;
764 /* not a single listening port? Add default. */
765 if (no_listenports() &&
766 !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
768 Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
769 (unsigned int) defaultport, strerror(errno));
774 if (!Conf_ListenAddress)
775 Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
777 if (!Conf_ListenAddress) {
778 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
786 Check_ArgIsTrue( const char *Arg )
788 if( strcasecmp( Arg, "yes" ) == 0 ) return true;
789 if( strcasecmp( Arg, "true" ) == 0 ) return true;
790 if( atoi( Arg ) != 0 ) return true;
793 } /* Check_ArgIsTrue */
796 static unsigned int Handle_MaxNickLength(int Line, const char *Arg)
800 new = (unsigned) atoi(Arg) + 1;
801 if (new > CLIENT_NICK_LEN) {
802 Config_Error(LOG_WARNING,
803 "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
804 NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
805 return CLIENT_NICK_LEN;
808 Config_Error(LOG_WARNING,
809 "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
810 NGIRCd_ConfFile, Line);
814 } /* Handle_MaxNickLength */
818 Handle_GLOBAL( int Line, char *Var, char *Arg )
825 assert( Var != NULL );
826 assert( Arg != NULL );
828 if( strcasecmp( Var, "Name" ) == 0 ) {
830 len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName ));
831 if (len >= sizeof( Conf_ServerName ))
832 Config_Error_TooLong( Line, Var );
835 if( strcasecmp( Var, "Info" ) == 0 ) {
836 /* Info text of server */
837 len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo ));
838 if (len >= sizeof( Conf_ServerInfo ))
839 Config_Error_TooLong ( Line, Var );
842 if( strcasecmp( Var, "Password" ) == 0 ) {
843 /* Global server password */
844 len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd ));
845 if (len >= sizeof( Conf_ServerPwd ))
846 Config_Error_TooLong( Line, Var );
849 if (strcasecmp(Var, "WebircPassword") == 0) {
850 /* Password required for WEBIRC command */
851 len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
852 if (len >= sizeof(Conf_WebircPwd))
853 Config_Error_TooLong(Line, Var);
856 if( strcasecmp( Var, "AdminInfo1" ) == 0 ) {
857 /* Administrative info #1 */
858 len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 ));
859 if (len >= sizeof( Conf_ServerAdmin1 ))
860 Config_Error_TooLong ( Line, Var );
863 if( strcasecmp( Var, "AdminInfo2" ) == 0 ) {
864 /* Administrative info #2 */
865 len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 ));
866 if (len >= sizeof( Conf_ServerAdmin2 ))
867 Config_Error_TooLong ( Line, Var );
870 if( strcasecmp( Var, "AdminEMail" ) == 0 ) {
871 /* Administrative email contact */
872 len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail ));
873 if (len >= sizeof( Conf_ServerAdminMail ))
874 Config_Error_TooLong( Line, Var );
878 if( strcasecmp( Var, "Ports" ) == 0 ) {
879 ports_parse(&Conf_ListenPorts, Line, Arg);
882 if( strcasecmp( Var, "MotdFile" ) == 0 ) {
883 /* "Message of the day" (MOTD) file */
884 len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile ));
885 if (len >= sizeof( Conf_MotdFile ))
886 Config_Error_TooLong( Line, Var );
889 if( strcasecmp( Var, "MotdPhrase" ) == 0 ) {
890 /* "Message of the day" phrase (instead of file) */
891 len = strlcpy( Conf_MotdPhrase, Arg, sizeof( Conf_MotdPhrase ));
892 if (len >= sizeof( Conf_MotdPhrase ))
893 Config_Error_TooLong( Line, Var );
896 if( strcasecmp( Var, "ChrootDir" ) == 0 ) {
897 /* directory for chroot() */
898 len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot ));
899 if (len >= sizeof( Conf_Chroot ))
900 Config_Error_TooLong( Line, Var );
903 if ( strcasecmp( Var, "PidFile" ) == 0 ) {
904 /* name of pidfile */
905 len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile ));
906 if (len >= sizeof( Conf_PidFile ))
907 Config_Error_TooLong( Line, Var );
910 if( strcasecmp( Var, "ServerUID" ) == 0 ) {
911 /* UID the daemon should switch to */
912 pwd = getpwnam( Arg );
913 if( pwd ) Conf_UID = pwd->pw_uid;
916 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
919 Conf_UID = (unsigned int)atoi( Arg );
923 if( strcasecmp( Var, "ServerGID" ) == 0 ) {
924 /* GID the daemon should use */
925 grp = getgrnam( Arg );
926 if( grp ) Conf_GID = grp->gr_gid;
929 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
932 Conf_GID = (unsigned int)atoi( Arg );
936 if( strcasecmp( Var, "PingTimeout" ) == 0 ) {
938 Conf_PingTimeout = atoi( Arg );
939 if( Conf_PingTimeout < 5 ) {
940 Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!",
941 NGIRCd_ConfFile, Line );
942 Conf_PingTimeout = 5;
946 if( strcasecmp( Var, "PongTimeout" ) == 0 ) {
948 Conf_PongTimeout = atoi( Arg );
949 if( Conf_PongTimeout < 5 ) {
950 Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!",
951 NGIRCd_ConfFile, Line );
952 Conf_PongTimeout = 5;
956 if( strcasecmp( Var, "ConnectRetry" ) == 0 ) {
957 /* Seconds between connection attempts to other servers */
958 Conf_ConnectRetry = atoi( Arg );
959 if( Conf_ConnectRetry < 5 ) {
960 Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!",
961 NGIRCd_ConfFile, Line );
962 Conf_ConnectRetry = 5;
966 if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) {
967 /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
968 Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
971 if( strcasecmp( Var, "NoDNS" ) == 0 ) {
972 /* don't do reverse dns lookups when clients connect? */
973 Conf_NoDNS = Check_ArgIsTrue( Arg );
976 if (strcasecmp(Var, "NoIdent") == 0) {
977 /* don't do IDENT lookups when clients connect? */
978 Conf_NoIdent = Check_ArgIsTrue(Arg);
981 /* user has enabled ident lookups explicitly, but ... */
982 Config_Error(LOG_WARNING,
983 "%s: line %d: NoIdent=False, but ngircd was built without IDENT support",
984 NGIRCd_ConfFile, Line);
990 /* the default setting for all the WANT_IPV6 special options is 'true' */
991 if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) {
992 /* connect to other hosts using ipv6, if they have an AAAA record? */
993 Conf_ConnectIPv6 = Check_ArgIsTrue( Arg );
996 if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) {
997 /* connect to other hosts using ipv4.
998 * again, this can be used for ipv6-only setups */
999 Conf_ConnectIPv4 = Check_ArgIsTrue( Arg );
1003 if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
1004 /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
1005 Conf_OperCanMode = Check_ArgIsTrue( Arg );
1008 if( strcasecmp( Var, "OperServerMode" ) == 0 ) {
1009 /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */
1010 Conf_OperServerMode = Check_ArgIsTrue( Arg );
1013 if(strcasecmp(Var, "AllowRemoteOper") == 0) {
1014 /* Are remote IRC operators allowed to control this server? */
1015 Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
1018 if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
1019 /* Maximum number of connections. 0 -> "no limit". */
1021 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
1024 Conf_MaxConnections = atol( Arg );
1027 if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
1028 /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */
1030 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1033 Conf_MaxConnectionsIP = atoi( Arg );
1036 if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
1037 /* Maximum number of channels a user can join. 0 -> "no limit". */
1039 if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
1042 Conf_MaxJoins = atoi( Arg );
1045 if( strcasecmp( Var, "MaxNickLength" ) == 0 ) {
1046 /* Maximum length of a nick name; must be same on all servers
1047 * within the IRC network! */
1048 Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
1052 if( strcasecmp( Var, "Listen" ) == 0 ) {
1053 /* IP-Address to bind sockets */
1054 if (Conf_ListenAddress) {
1055 Config_Error(LOG_ERR, "Multiple Listen= options, ignoring: %s", Arg);
1058 Conf_ListenAddress = strdup_warn(Arg);
1060 * if allocation fails, we're in trouble:
1061 * we cannot ignore the error -- otherwise ngircd
1062 * would listen on all interfaces.
1064 if (!Conf_ListenAddress) {
1065 Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
1072 if( strcasecmp( Var, "SSLPorts" ) == 0 ) {
1073 ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
1077 if( strcasecmp( Var, "SSLKeyFile" ) == 0 ) {
1078 assert(Conf_SSLOptions.KeyFile == NULL );
1079 Conf_SSLOptions.KeyFile = strdup_warn(Arg);
1082 if( strcasecmp( Var, "SSLCertFile" ) == 0 ) {
1083 assert(Conf_SSLOptions.CertFile == NULL );
1084 Conf_SSLOptions.CertFile = strdup_warn(Arg);
1088 if( strcasecmp( Var, "SSLKeyFilePassword" ) == 0 ) {
1089 assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
1090 if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
1091 Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Could not copy %s: %s!",
1092 NGIRCd_ConfFile, Line, Var, strerror(errno));
1095 if( strcasecmp( Var, "SSLDHFile" ) == 0 ) {
1096 assert(Conf_SSLOptions.DHFile == NULL);
1097 Conf_SSLOptions.DHFile = strdup_warn( Arg );
1101 Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
1102 NGIRCd_ConfFile, Line, Var);
1103 } /* Handle_GLOBAL */
1107 Handle_OPERATOR( int Line, char *Var, char *Arg )
1110 struct Conf_Oper *op;
1113 assert( Var != NULL );
1114 assert( Arg != NULL );
1115 assert( Conf_Oper_Count > 0 );
1117 op = array_alloc(&Conf_Opers, sizeof(*op), Conf_Oper_Count - 1);
1119 Config_Error(LOG_ERR, "Could not allocate memory for operator (%d:%s = %s)", Line, Var, Arg);
1123 if (strcasecmp(Var, "Name") == 0) {
1124 /* Name of IRC operator */
1125 len = strlcpy(op->name, Arg, sizeof(op->name));
1126 if (len >= sizeof(op->name))
1127 Config_Error_TooLong(Line, Var);
1130 if (strcasecmp(Var, "Password") == 0) {
1131 /* Password of IRC operator */
1132 len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
1133 if (len >= sizeof(op->pwd))
1134 Config_Error_TooLong(Line, Var);
1137 if (strcasecmp(Var, "Mask") == 0) {
1139 return; /* Hostname already configured */
1140 op->mask = strdup_warn( Arg );
1143 Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!",
1144 NGIRCd_ConfFile, Line, Var );
1145 } /* Handle_OPERATOR */
1149 Handle_SERVER( int Line, char *Var, char *Arg )
1155 assert( Var != NULL );
1156 assert( Arg != NULL );
1158 /* Ignore server block if no space is left in server configuration structure */
1159 if( New_Server_Idx <= NONE ) return;
1161 if( strcasecmp( Var, "Host" ) == 0 ) {
1162 /* Hostname of the server */
1163 len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
1164 if (len >= sizeof( New_Server.host ))
1165 Config_Error_TooLong ( Line, Var );
1168 if( strcasecmp( Var, "Name" ) == 0 ) {
1169 /* Name of the server ("Nick"/"ID") */
1170 len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
1171 if (len >= sizeof( New_Server.name ))
1172 Config_Error_TooLong( Line, Var );
1175 if (strcasecmp(Var, "Bind") == 0) {
1176 if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0))
1179 Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"",
1180 NGIRCd_ConfFile, Line, Arg);
1183 if( strcasecmp( Var, "MyPassword" ) == 0 ) {
1184 /* Password of this server which is sent to the peer */
1186 Config_Error(LOG_ERR,
1187 "%s, line %d (section \"Server\"): MyPassword must not start with ':'!",
1188 NGIRCd_ConfFile, Line);
1190 len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in ));
1191 if (len >= sizeof( New_Server.pwd_in ))
1192 Config_Error_TooLong( Line, Var );
1195 if( strcasecmp( Var, "PeerPassword" ) == 0 ) {
1196 /* Passwort of the peer which must be received */
1197 len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out ));
1198 if (len >= sizeof( New_Server.pwd_out ))
1199 Config_Error_TooLong( Line, Var );
1202 if( strcasecmp( Var, "Port" ) == 0 ) {
1203 /* Port to which this server should connect */
1205 if( port > 0 && port < 0xFFFF )
1206 New_Server.port = (UINT16)port;
1208 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!",
1209 NGIRCd_ConfFile, Line, port );
1213 if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
1214 New_Server.SSLConnect = Check_ArgIsTrue(Arg);
1218 if( strcasecmp( Var, "Group" ) == 0 ) {
1221 if( ! isdigit( (int)*Arg ))
1222 Config_Error_NaN( Line, Var );
1225 New_Server.group = atoi( Arg );
1228 if( strcasecmp( Var, "Passive" ) == 0 ) {
1229 if (Check_ArgIsTrue(Arg))
1230 New_Server.flags |= CONF_SFLAG_DISABLED;
1233 if (strcasecmp(Var, "ServiceMask") == 0) {
1234 len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
1235 sizeof(New_Server.svs_mask));
1236 if (len >= sizeof(New_Server.svs_mask))
1237 Config_Error_TooLong(Line, Var);
1241 Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
1242 NGIRCd_ConfFile, Line, Var );
1243 } /* Handle_SERVER */
1247 Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
1249 size_t size = sizeof(new_chan->name);
1250 char *dest = new_chan->name;
1252 if (!Channel_IsValidName(name)) {
1254 * maybe user forgot to add a '#'.
1255 * This is only here for user convenience.
1261 return size > strlcpy(dest, name, size);
1266 Handle_CHANNEL(int Line, char *Var, char *Arg)
1270 struct Conf_Channel *chan;
1273 assert( Var != NULL );
1274 assert( Arg != NULL );
1275 assert(Conf_Channel_Count > 0);
1277 chancount = Conf_Channel_Count - 1;
1279 chan = array_alloc(&Conf_Channels, sizeof(*chan), chancount);
1281 Config_Error(LOG_ERR, "Could not allocate memory for predefined channel (%d:%s = %s)", Line, Var, Arg);
1284 if (strcasecmp(Var, "Name") == 0) {
1285 if (!Handle_Channelname(chan, Arg))
1286 Config_Error_TooLong(Line, Var);
1289 if (strcasecmp(Var, "Modes") == 0) {
1291 len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
1292 if (len >= sizeof(chan->modes))
1293 Config_Error_TooLong( Line, Var );
1296 if( strcasecmp( Var, "Topic" ) == 0 ) {
1298 len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
1299 if (len >= sizeof(chan->topic))
1300 Config_Error_TooLong( Line, Var );
1303 if( strcasecmp( Var, "Key" ) == 0 ) {
1304 /* Initial Channel Key (mode k) */
1305 len = strlcpy(chan->key, Arg, sizeof(chan->key));
1306 if (len >= sizeof(chan->key))
1307 Config_Error_TooLong(Line, Var);
1310 if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
1311 /* maximum user limit, mode l */
1312 chan->maxusers = (unsigned long) atol(Arg);
1313 if (chan->maxusers == 0)
1314 Config_Error_NaN(Line, Var);
1317 if (strcasecmp(Var, "KeyFile") == 0) {
1319 len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
1320 if (len >= sizeof(chan->keyfile))
1321 Config_Error_TooLong(Line, Var);
1325 Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
1326 NGIRCd_ConfFile, Line, Var );
1327 } /* Handle_CHANNEL */
1331 Validate_Config(bool Configtest, bool Rehash)
1333 /* Validate configuration settings. */
1336 int i, servers, servers_once;
1338 bool config_valid = true;
1341 /* Validate configured server name, see RFC 2812 section 2.3.1 */
1342 ptr = Conf_ServerName;
1344 if (*ptr >= 'a' && *ptr <= 'z') continue;
1345 if (*ptr >= 'A' && *ptr <= 'Z') continue;
1346 if (*ptr >= '0' && *ptr <= '9') continue;
1347 if (ptr > Conf_ServerName) {
1348 if (*ptr == '.' || *ptr == '-')
1351 Conf_ServerName[0] = '\0';
1355 if (!Conf_ServerName[0]) {
1356 /* No server name configured! */
1357 config_valid = false;
1358 Config_Error(LOG_ALERT,
1359 "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!",
1361 if (!Configtest && !Rehash) {
1362 Config_Error(LOG_ALERT,
1363 "%s exiting due to fatal errors!",
1369 if (Conf_ServerName[0] && !strchr(Conf_ServerName, '.')) {
1370 /* No dot in server name! */
1371 config_valid = false;
1372 Config_Error(LOG_ALERT,
1373 "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!",
1376 Config_Error(LOG_ALERT,
1377 "%s exiting due to fatal errors!",
1384 if (!Conf_ServerAdminMail[0]) {
1385 /* No administrative contact configured! */
1386 config_valid = false;
1387 Config_Error(LOG_ALERT,
1388 "No administrator email address configured in \"%s\" ('AdminEMail')!",
1391 Config_Error(LOG_ALERT,
1392 "%s exiting due to fatal errors!",
1399 if (!Conf_ServerAdmin1[0] && !Conf_ServerAdmin2[0]
1400 && !Conf_ServerAdminMail[0]) {
1401 /* No administrative information configured! */
1402 Config_Error(LOG_WARNING,
1403 "No administrative information configured but required by RFC!");
1407 servers = servers_once = 0;
1408 for (i = 0; i < MAX_SERVERS; i++) {
1409 if (Conf_Server[i].name[0]) {
1411 if (Conf_Server[i].flags & CONF_SFLAG_ONCE)
1416 "Configuration: Operators=%d, Servers=%d[%d], Channels=%d",
1417 Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
1420 return config_valid;
1421 } /* Validate_Config */
1425 Config_Error_TooLong ( const int Line, const char *Item )
1427 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
1432 Config_Error_NaN( const int Line, const char *Item )
1434 Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
1435 NGIRCd_ConfFile, Line, Item );
1440 static void Config_Error( const int Level, const char *Format, ... )
1442 static void Config_Error( Level, Format, va_alist )
1448 /* Error! Write to console and/or logfile. */
1450 char msg[MAX_LOG_MSG_LEN];
1453 assert( Format != NULL );
1456 va_start( ap, Format );
1460 vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
1463 /* During "normal operations" the log functions of the daemon should
1464 * be used, but during testing of the configuration file, all messages
1465 * should go directly to the console: */
1466 if (Use_Log) Log( Level, "%s", msg );
1468 } /* Config_Error */
1472 Init_Server_Struct( CONF_SERVER *Server )
1474 /* Initialize server configuration structur to default values */
1476 assert( Server != NULL );
1478 memset( Server, 0, sizeof (CONF_SERVER) );
1480 Server->group = NONE;
1481 Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
1483 if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
1485 Resolve_Init(&Server->res_stat);
1486 Server->conn_id = NONE;
1487 memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
1488 } /* Init_Server_Struct */