Commit Graph

19 Commits

Author SHA1 Message Date
Ulrich Drepper
684ae51599 Implement caching of nscd 2011-10-07 10:06:31 -04:00
Ulrich Drepper
94a749f69a * time/tzfile.c (__tzfile_read): Fix check for version 0 data files.
Patch by Szymon Siwek <sls@poczta.wp.pl>.
2007-11-06 01:04:13 +00:00
Ulrich Drepper
ffb1b88282 * nscd/aicache.c (addhstaiX): Check herrno after IPv4 lookup only
when the lookup call failed.

	* nscd/nscd.h (struct database_dyn): Rename prunelock to prune_lock.
	Add prune_cond and wakeup_time.
	(CACHE_PRUNE_INTERNAL): Define.
	Update declarations of prune_cache and setup_thread.
	* nscd/connections.c (dbs): Update initializers.
	(CACHE_PRUNE_INTERNAL): Moved to nscd.h.
	(nscd_init): Default number of threads is now 4.
	(invalidate_cache): Take lock before calling prune_cache.
	(handle_request): If SELinux forbids the request, say so.
	(readylist_cond): Use static initializer.
	(nscd_run_prune): New function.  Used only by pruning threads.
	(nscd_run_worder): Renamed from nscd_run.  Remove support for pruning
	here.
	(fd_ready): Update nscd_run reference.
	(start_threads): No need to initialize readylist_cond.
	Start pruning threads separately.
	* nscd/nscd_setup_thread.c: Change return value type to int and always
	return 0.
	* sysdeps/unix/sysv/linux/nscd_setup_thread.c: Change return value type
	to int and return nonzero value if we can use the TID address hack.
	* nscd/cache.c (cache_add): If next wakeup time of cleanup thread for
	the database is later than the new entry's timeout, update the
	wakeup time and wake the cleanup thread.
	(prune_cache): Return seconds the next entry in the database is still
	valid.  Remove locking for pruning here.
	* nscd/nscd.conf: Document default number of threads.
2007-11-06 00:45:40 +00:00
Ulrich Drepper
b21fa963c4 * nis/nss_nis/nis-service.c (_nss_nis_getservbyname_r): Correct
computation of keylen.
2007-01-14 05:26:04 +00:00
Ulrich Drepper
b8c8817c81 * nscd/nscd.conf: Fix a typo. 2006-04-27 14:48:29 +00:00
Ulrich Drepper
797ed6f7e1 * nscd/nscd.h (struct database_dyn): Add propagate field.
* nscd/nscd_conf.c (nscd_parse_file): Parse auto-propagate lines.
	* nscd/nscd.conf: Add auto-propagate lines.
	* nscd/connections.c (dbs): Initialize .propagate fields.
	* nscd/grpcache.c (cache_addgr): Do not add ID entry for name lookups
	and vice versa if propagation is disabled for the database.
	* nscd/pwdcache.c (cache_addpw): Likewise.
2006-04-26 17:32:10 +00:00
Ulrich Drepper
2c210d1eb8 * nscd/connection.c (DEFAULT_DATASIZE_PER_BUCKET): Move to nscd.h.
(dbs): Initialize max_db_size fields.
	(nscd_init): When mapping the database, use max_db_size as the
	mapping size even if it is bigger than the file size.
	* nscd/mem.c (mempool_alloc): When resizing the file make sure the
	limit in max_db_size is not exceeded.  Don't use mremap, just
	posix_fallocate is enough (according to Linus).  Use posix_fallocate
	correctly.
	* nscd/nscd.conf: Add max-db-size parameters.
	* nscd/nscd.h (struct database_dyn): Add max_db_size field.
	Define DEFAULT_MAX_DB_SIZE and DEFAULT_DATASIZE_PER_BUCKET.
	Temporarily define TEMP_FAILURE_RETRY_VAL here.
	* nscd/nscd_conf.c (nscd_parse_file): Parse max-db-size parameter
	and add sanity checks for it.

	* nscd/aicache.c (addhstaiX): Use send with MSG_NOSIGNAL not write to
	send reply.
	* nscd/connection.c (writeall): Likewise.
	(handle_request): Likewise.
	* nscd/grpcache.c (cache_addgr): Likewise.
	* nscd/hstcache.c (cache_addhst): Likewise.
	* nscd/initgrcache.c (addinitgroupsX): Likewise.
	* nscd/nscd.c (parse_opt): Likewise.
	* nscd/nscd_stat.c (send_stats): Likewise.
	(receive_print_stats): Likewise.
	* nscd/pwdcache.c (cache_addpw): Likewise.
2005-08-23 23:21:53 +00:00
Ulrich Drepper
a334319f65 (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. 2004-12-22 20:10:10 +00:00
Jakub Jelinek
0ecb606cb6 2.5-18.1 2007-07-12 18:26:36 +00:00
Ulrich Drepper
27e8285643 Update.
Dynamically create new threads if necessary.
	* nscd/connections.c (fd_ready): If no thread available for processing
	the request, create a new one unless the limit is reached.
	(start_threads): Check errors from pthread_create.
	* nscd/nscd.h: Declare max_nthreads.
	* nscd/nscd_conf.c: Parse max-nthreads entry.
	* nscd/nscd.conf: Add max-threads entry.
	* nscd/nscd_stat.c: Print current and maximum number of threads.
2004-10-03 21:11:37 +00:00
Ulrich Drepper
4401d75905 Update.
Implement paranoia mode.
	* nscd/connections.c (nscd_init): Mark database and socket descriptors
	as close on exec.
	(restart): New function.
	(restart_p): New function.
	(nscd_run): Add missing descrement of nready in case readylist is
	empty.
	(main_loop_poll): Call restart_p and restart.
	(main_loop_epoll): Likewise.
	(begin_drop_privileges): Save original UID and GID.
	* nscd/nscd.c: Define new variables paranoia, restart_time,
	restart_interval, oldcwd, old_gid, old_uid.
	(main): Disable paranoia mode if we are not forking.
	(check_pid): When re-execing, the PID file contains the same PID as
	the current process.  Do not fail in this case.
	* nscd/nscd.conf: Add paranoia and restart-interval entries.
	* nscd/nscd.h: Define RESTART_INTERVAL.  Declare new variables.
	* nscd/nscd_conf.c: Parse paranoia and restart-internal configurations.
	* nscd/nscd_stat.c: Print paranoia and restart-internal values.
2004-10-03 19:33:48 +00:00
Ulrich Drepper
c207f23b0b Update.
* nscd/connections.c: Implement r/o sharing of nscd's cache with client
	processes via shared memory.
	* nscd/nscd-client.h: Likewise.
	* nscd/nscd.h: Likewise.
	* nscd/nscd_conf.c: Likewise.
	* nscd/nscd_getgr_r.c: Likewise.
	* nscd/nscd_getpw_r.c: Likewise.
	* nscd/nscd_gethst_r.c: Likewise.
	* nscd/nscd.conf: Add new config parameters.
	* nscd/Makefile (aux): Add nscd_helper.
	* nscd/nscd_helper.c: New file.
	* nscd/mem.c (gc): Indicate beginning and end of the gc cycle.

	* nscd/hstcache.c: Simplify a lot.  We cache only the request itself,
	no derived information.
	* connections.c (nscd_init): Fix bug in testing size of the persistent.

	* nis/Makefile (aux): Add nis_hash.
	* nis/nis_hash.c: New file.  Split out from nis_util.c.
	* nis/nis_util.c: Move __nis_hash code in separate file.

	* csu/tst-atomic.c: Improve atomic_increment_val test which would
	not have found a ppc bug.
2004-09-08 15:46:42 +00:00
Ulrich Drepper
a95a08b4af Update.
2004-08-26  Ulrich Drepper  <drepper@redhat.com>

	* nscd/cache.c: Major rewrite.  The data is now optionally kept in
	a mmaped memory region which is automatically mirrored on disk.
	This implements persistent data storage.  The Memory handled
	needed to be completely revamped, it now uses a garbage collection
	mechanism instead of malloc.
	* nscd/connections.c: Likewise.
	* nscd/nscd.c: Likewise.
	* nscd/nscd.h: Likewise.
	* nscd/nscd_conf.c: Likewise.
	* nscd/nscd_stat.c: Likewise.
	* nscd/grpcache.c: Likewise.
	* nscd/hstcache.c:: Likewise.
	* nscd/pwdcache.c:: Likewise.
	* nscd/Makefile: Add rules to build mem.c.
	* nscd/mem.c: New file.
	* nscd/nscd.conf: Describe new configuration options.
2004-08-26 18:35:05 +00:00
Ulrich Drepper
a12ce44f69 Update.
2003-05-03  Ulrich Drepper  <drepper@redhat.com>

	* nscd/nscd.c (main): Parse config file right after parsing
	parameters.  Then, if get_stats is true, call receive_print_stats.
	Drop parameter from nscd_init call.
	(get_stats): New variable.
	(parse_opt): Set get_stats, don't call receive_print_stats here.
	* nscd/nscd.h: Declare dbs, stat_user, and stat_uid.  Adjust nscd_init
	prototype.
	* nscd/connections.c (stat_user, stat_uid): New variables.
	(dbs): Make global.
	(nscd_init): Don't read configuration file here.  Drop parameter.
	(handle_request): Cleanup handling of non-database lookup requests.
	* nscd/nscd_conf.c (nscd_parse_file): Recognize stat-user entry.
	Get UID of the specified user.  Use xstrdup instead of strdup.
	* nscd/nscd_stat.c (receive_print_stats): Check UID.  If not zero,
	check stat_user.
	* nscd/Makefile (nscd-modules): Add xstrdup.
	* nscd/nscd.conf: Document stat-user entry.

2003-05-03  H.J. Lu  <hongjiu.lu@intel.com>

	* sysdeps/unix/sysv/linux/ia64/sysdep.h (__NR_semtimedop): Define
	if not defined.
2003-05-04 07:00:44 +00:00
Ulrich Drepper
adcf0e4a33 Update.
* iconv/iconv_prog.c (main): Handle input file name "-" correctly.
	Recognize option -s, -c, and -l.

2000-04-20  Thorsten Kukuk  <kukuk@suse.de>

	* nscd/nscd.c: Start new session for nscd, drop privilegs
	to configured user if requested and no -S parameter are used.
	* nscd/nscd.conf: Add new option "server-user".
	* nscd/nscd_conf.c: Add support for new "server-user" option.
	* nscd/nscd.h: Add declaration for server_user variable.
	Based on patch by Chris Wing <wingc@engin.umich.edu>

2000-04-29  Mark Kettenis  <kettenis@gnu.org>

	* sysdeps/unix/sysv/linux/i386/sigaction.c: Add comment explaining
	that changing the __restore and __restore_rt signal return code
	will break GDB.

2000-04-29  Mark Kettenis  <kettenis@gnu.org>

	* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Do not include
	<sys/user.h>.

2000-04-29  Mark Kettenis  <kettenis@gnu.org>

	* conform/data/ucontext.h-data: Allow ss_* instead of SS_*.

2000-04-29  Ulrich Drepper  <drepper@redhat.com>
2000-04-30 06:52:59 +00:00
Ulrich Drepper
756409c4cf Update.
1999-09-26  Thorsten Kukuk  <kukuk@suse.de>

	* nscd/connections.c: Invalidate caches on request.
	* nscd/nscd-client.h: Add INVALIDATE to request_type.
	* nscd/nscd.c: Add invalidate cache option.
	* nscd/nscd.conf: Change log directory to /var/log (FHS).
1999-09-27 00:22:04 +00:00
Ulrich Drepper
ce85d65bae Update.
1998-10-19  Ulrich Drepper  <drepper@cygnus.com>

	* include/ldsodefs.h: New file.

	* iconv/gconv.c: Include ldsodefs.h, not elf/ldsodefs.h.
	Remove change to avoid using _CALL_DL_FCT.
	* iconv/gconv_db.c: Likewise.
	* iconv/gconv_dl.c: Likewise.
	* iconv/skeleton.c: Likewise, here for DL_CALL_FCT.
	* malloc/mtrace.c: Include ldsodefs.h, not elf/ldsodefs.h.
	* nss/nsswitch.c: Likewise.
	* nss/nsswitch.h: Likewise.

1998-10-19  Philip Blundell  <pb@nexus.co.uk>

	* sunrpc/Makefile (otherlibs): If static NSS is in use, set to the
	required libraries.
	* login/Makefile (otherlibs): Likewise.
	* nscd/Makefile (otherlibs): Likewise.
	* Makeconfig (link-libc) [! build_shared]: Add $(otherlibs).

	* debug/Makefile (install-bin): Only build catchsegv if using ELF.

	* inet/Makefile: Add -DSTATIC_NSS to CFLAGS.

1998-10-19  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/unix/sysv/linux/arm/syscalls.list: Added setfsgid
	and setfsuid.

1998-10-19  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* nscd/connections.c: Fix typos in comments and strings.

	* nscd/nscd.conf: Update according to recent changes to nscd.

	* nscd/cache.c (prune_cache): Remove wrong comment.

	copy_posix.mask for copy instruction.
1998-10-19 15:22:14 +00:00
Ulrich Drepper
67479a700e Update.
1998-10-18  Ulrich Drepper  <drepper@cygnus.com>

	* resolv/nss_dns/dns-host.c: Add missing errnop parameter to the
	NSS functions.
	* resolv/nss_dns/dns-network.c: Likewise.

	* grp/Makefile: Don't search for linuxhtreads in add-ons, use
	have-thread-library to determine whether threads are available.
	* pwd/Makefile: Remove wrong comment.

	* inet/Makefile: Define CFLAGS-gethstbyad_r.c, CFLAGS-gethstbynm_r.c,
	and CFLAGS-gethstbynm2_r.c to -DUSE_NSCD=1.

	* locale/C-messages.c: Define default strings for YESTR and NOSTR.

	* nss/Versions: Add __nss_hosts_lookup.

	* nss/getXXbyYY.c: Remove unneeded assignment.

	* nss/getXXbyYY_r.c: Include nscd/nscd_proto.h only if needed.

	Almost complete rewrite of the NSCD to make it smaller, faster,
	add more functionnality and make it easier to extend.
	* nscd/Makfile (routines): Add nscd_gethst_r.
	(nscd-modules): Add hstcache, gethstbyad_r, gethstbynm2_r, and cache.
	* nscd/cache.c: New file.
	* nscd/gethstbyad_r.c: New file.
	* nscd/gethstbynm2_r.c: New file.
	* nscd/hstcache.c: New file.
	* nscd/nscd_gethst_r.c: New file.
	* nscd/connections.c: Rewritten.  Don't start new thread for every
	new connection.  Use a fixed set of threads which handle all
	connections and also the cache cleanup.
	* nscd/grpcache.c: Rewritten to use generic cache handling functions
	in cache.c.
	* nscd/nscd.c: Recognize new parameter nthreads.  Adjust initialization
	for rewrite.  Remove handle_requests function.
	* nscd/nscd.h (NSCD_VERSION): Bump to 2.
	Define new data structure for the new unified cache and the host
	database entries.
	* nscd/nscd_conf.c: Rewrite parsing partly to allow adding of more
	databases easily.  Recognize check-files and threads definitions.
	* nscd/nscd.conf: Add definition of enable-cache and check-files to
	passwd and group definitions.  Add new set of definitions for hosts.
	* nscd/nscd_getgr_r.c: Rewrite for new protocol.
	* nscd/nscd_getpw_r.c: Likewise.
	* nscd/nscd_proto.h: Add prototype for host database functions.
	* nscd/nscd_stat.c: Rewrite to simplify printing of information
	for many databases.
	* nscd/dbg_log.c: Remove unnecessary variable initializations.
	Global variable debug_flag is renamed to dbg_level.
	* nscd/dbg_log.h: Declare set_logfile.
1998-10-18 15:16:22 +00:00
Ulrich Drepper
d67281a7ea Update.
1998-01-31  Phil Blundell  <philb@gnu.org>

	* configure.in: Add --without-cvs option to suppress automatic
	checkin of regenerated files.
	* config.make: Likewise.
	* Makefile: Respect with-cvs setting.
	* Makerules: Likewise.

	* configure.in: Allow the standalone ARM port to be configured.

1998-01-31  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* grp/getgrgid_r.c: Define USE_NSCD.
	* grp/getgrnam_r.c: Likewise.
	* pwd/getpwuid_r.c: Likewise.
	* pwd/getpwnam_r.c: Likewise.

	* sysdeps/unix/inet/Subdirs: Add nscd subdir.

	* nss/getXXbyYY_r.c: Try at first nscd.

	* nscd/Makefile: New, for the Name Switch Cache Daemon (nscd).
	* nscd/connections.c: New file.
	* nscd/dbg_log.c: New file.
	* nscd/dbg_log.h: New file.
	* nscd/grpcache.c: New file.
	* nscd/nscd.c: New file.
	* nscd/nscd.h: New file.
	* nscd/nscd_conf.c: New file.
	* nscd/nscd_stat.c: New file.
	* nscd/pwdcache.c: New file.

	* nscd/nscd_getgr_r.c: New, client code, linked into libc.
	* nscd/nscd_getpw_r.c: Likewise.
	* nscd/nscd_proto.h: New, prototypes for client functions.

	* nscd/nscd.conf: New, example for a configuration file.
	* nscd/nscd.init: New, example for a startup script.

	* nscd/getgrgid_r.c: Old grp/getgrgid_r version, used from nscd to
	avoid deadlocks.
	* nscd/getgrnam_r.c: Likewise.
	* nscd/getpwnam_r.c: Likewise.
	* nscd/getpwuid_r.c: Likewise.

	* nis/nis_cache.c: New file.
	* nis/nis_cache2.h: New file.
	* nis/nis_cache2_xdr.c: New file.
1998-01-31 08:39:55 +00:00