+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).
+
1999-09-24 Ulrich Drepper <drepper@cygnus.com>
* nis/nss_nisplus/nisplus-parser.c (_nss_nisplus_parse_grent): Do
[GETHOSTBYADDR] = "GETHOSTBYADDR",
[GETHOSTBYADDRv6] = "GETHOSTBYADDRv6",
[SHUTDOWN] = "SHUTDOWN",
- [GETSTAT] = "GETSTAT"
+ [GETSTAT] = "GETSTAT",
+ [INVALIDATE] = "INVALIDATE"
};
/* The control data structures for the services. */
close (sock);
}
+static void
+invalidate_cache (void *key)
+{
+ dbtype number;
+
+ if (strcmp (key, "passwd") == 0)
+ number = pwddb;
+ else if (strcmp (key, "group") == 0)
+ number = grpdb;
+ else if (strcmp (key, "hosts") == 0)
+ number = hstdb;
+ else return;
+
+ prune_cache (&dbs[number], LONG_MAX);
+}
+
/* Handle new request. */
static void
pthread_rwlock_unlock (&db->lock);
}
- else
- if (debug_level > 0)
- dbg_log ("\t%s", serv2str[req->type]);
+ else if (debug_level > 0)
+ {
+ if (req->type == INVALIDATE)
+ dbg_log ("\t%s (%s)", serv2str[req->type], key);
+ else
+ dbg_log ("\t%s", serv2str[req->type]);
+ }
/* Handle the request. */
switch (req->type)
case GETSTAT:
case SHUTDOWN:
- /* Accept shutdown and getstat only from root */
+ case INVALIDATE:
+ /* Accept shutdown, getstat and invalidate only from root */
if (secure_in_use && uid == 0)
{
if (req->type == GETSTAT)
send_stats (fd, dbs);
+ else if (req->type == INVALIDATE)
+ invalidate_cache (key);
else
termination_handler (0);
}
{
if (req->type == GETSTAT)
send_stats (fd, dbs);
+ else if (req->type == INVALIDATE)
+ invalidate_cache (key);
else
termination_handler (0);
}
-/* Copyright (c) 1998 Free Software Foundation, Inc.
+/* Copyright (c) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
+ Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
LASTDBREQ = GETHOSTBYADDRv6,
SHUTDOWN, /* Shut the server down. */
GETSTAT, /* Get the server statistic. */
- LASTREQ,
+ INVALIDATE, /* Invalidate one special cache. */
+ LASTREQ
} request_type;
{ "nthreads", 't', N_("NUMBER"), 0, N_("Start NUMBER threads") },
{ "shutdown", 'K', NULL, 0, N_("Shut the server down") },
{ "statistic", 'g', NULL, 0, N_("Print current configuration statistic") },
+ { "invalidate", 'i', N_("TABLE"), 0,
+ N_("Invalidate the specified cache") },
{ "secure", 'S', N_("TABLE,yes"), 0, N_("Use separate cache for each user")},
{ NULL, 0, NULL, 0, NULL }
};
receive_print_stats ();
/* Does not return. */
+ case 'i':
+ if (getuid () != 0)
+ error (EXIT_FAILURE, 0, _("Only root is allowed to use this option!"));
+ else
+ {
+ int sock = nscd_open_socket ();
+ request_header req;
+ ssize_t nbytes;
+
+ if (sock == -1)
+ exit (EXIT_FAILURE);
+
+ if (strcmp (arg, "passwd") == 0)
+ req.key_len = sizeof "passwd";
+ else if (strcmp (arg, "group") == 0)
+ req.key_len = sizeof "group";
+ else if (strcmp (arg, "hosts") == 0)
+ req.key_len = sizeof "hosts";
+ else
+ return ARGP_ERR_UNKNOWN;
+
+ req.version = NSCD_VERSION;
+ req.type = INVALIDATE;
+ nbytes = TEMP_FAILURE_RETRY (write (sock, &req,
+ sizeof (request_header)));
+ if (nbytes != sizeof (request_header))
+ {
+ close (sock);
+ exit (EXIT_FAILURE);
+ }
+
+ nbytes = TEMP_FAILURE_RETRY (write (sock, (void *)arg, req.key_len));
+
+ close (sock);
+
+ exit (nbytes != req.key_len ? EXIT_FAILURE : EXIT_SUCCESS);
+ }
+
case 't':
nthreads = atol (arg);
break;
#
-# logfile /var/adm/nscd.log
+# logfile /var/log/nscd.log
# threads 6
debug-level 0