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-rw-r--r--nscd/nscd.c102
1 files changed, 44 insertions, 58 deletions
diff --git a/nscd/nscd.c b/nscd/nscd.c
index 588b09d4fb..0cc1818d9d 100644
--- a/nscd/nscd.c
+++ b/nscd/nscd.c
@@ -1,19 +1,21 @@
-/* Copyright (c) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (c) 1998-2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
/* nscd - Name Service Cache Daemon. Caches passwd, group, and hosts. */
@@ -70,6 +72,7 @@ int disabled_passwd;
int disabled_group;
int go_background = 1;
+int secure_in_use;
static const char *conffile = _PATH_NSCDCONF;
time_t start_time;
@@ -119,9 +122,6 @@ static struct argp argp =
options, parse_opt, NULL, doc,
};
-/* The SIGHUP handler is extern to this file */
-extern void sighup_handler(int signum);
-
/* True if only statistics are requested. */
static bool get_stats;
@@ -145,15 +145,17 @@ main (int argc, char **argv)
{
error (0, 0, gettext ("wrong number of arguments"));
argp_help (&argp, stdout, ARGP_HELP_SEE, program_invocation_short_name);
- exit (1);
+ exit (EXIT_FAILURE);
}
/* Read the configuration file. */
if (nscd_parse_file (conffile, dbs) != 0)
- /* We couldn't read the configuration file. We don't start the
- server. */
- error (EXIT_FAILURE, 0,
- _("failure while reading configuration file; this is fatal"));
+ {
+ /* We couldn't read the configuration file. We don't start the
+ server. */
+ dbg_log (_("cannot read configuration file; this is fatal"));
+ exit (1);
+ }
/* Do we only get statistics? */
if (get_stats)
@@ -238,9 +240,7 @@ main (int argc, char **argv)
setsid ();
- if (chdir ("/") != 0)
- error (EXIT_FAILURE, errno,
- _("cannot change current working directory to \"/\""));
+ chdir ("/");
openlog ("nscd", LOG_CONS | LOG_ODELAY, LOG_DAEMON);
@@ -266,7 +266,6 @@ main (int argc, char **argv)
signal (SIGINT, termination_handler);
signal (SIGQUIT, termination_handler);
signal (SIGTERM, termination_handler);
- signal (SIGHUP, sighup_handler);
signal (SIGPIPE, SIG_IGN);
/* Cleanup files created by a previous 'bind'. */
@@ -302,7 +301,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
case 'K':
if (getuid () != 0)
- error (4, 0, _("Only root is allowed to use this option!"));
+ error (EXIT_FAILURE, 0, _("Only root is allowed to use this option!"));
{
int sock = nscd_open_socket ();
request_header req;
@@ -314,9 +313,8 @@ parse_opt (int key, char *arg, struct argp_state *state)
req.version = NSCD_VERSION;
req.type = SHUTDOWN;
req.key_len = 0;
- nbytes = TEMP_FAILURE_RETRY (send (sock, &req,
- sizeof (request_header),
- MSG_NOSIGNAL));
+ nbytes = TEMP_FAILURE_RETRY (write (sock, &req,
+ sizeof (request_header)));
close (sock);
exit (nbytes != sizeof (request_header) ? EXIT_FAILURE : EXIT_SUCCESS);
}
@@ -327,7 +325,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
case 'i':
if (getuid () != 0)
- error (4, 0, _("Only root is allowed to use this option!"));
+ error (EXIT_FAILURE, 0, _("Only root is allowed to use this option!"));
else
{
int sock = nscd_open_socket ();
@@ -336,6 +334,9 @@ parse_opt (int key, char *arg, struct argp_state *state)
exit (EXIT_FAILURE);
request_header req;
+ ssize_t nbytes;
+ struct iovec iov[2];
+
if (strcmp (arg, "passwd") == 0)
req.key_len = sizeof "passwd";
else if (strcmp (arg, "group") == 0)
@@ -348,38 +349,17 @@ parse_opt (int key, char *arg, struct argp_state *state)
req.version = NSCD_VERSION;
req.type = INVALIDATE;
- struct iovec iov[2];
iov[0].iov_base = &req;
iov[0].iov_len = sizeof (req);
iov[1].iov_base = arg;
iov[1].iov_len = req.key_len;
- ssize_t nbytes = TEMP_FAILURE_RETRY (writev (sock, iov, 2));
-
- if (nbytes != iov[0].iov_len + iov[1].iov_len)
- {
- int err = errno;
- close (sock);
- error (EXIT_FAILURE, err, _("write incomplete"));
- }
-
- /* Wait for ack. Older nscd just closed the socket when
- prune_cache finished, silently ignore that. */
- int32_t resp = 0;
- nbytes = TEMP_FAILURE_RETRY (read (sock, &resp, sizeof (resp)));
- if (nbytes != 0 && nbytes != sizeof (resp))
- {
- int err = errno;
- close (sock);
- error (EXIT_FAILURE, err, _("cannot read invalidate ACK"));
- }
+ nbytes = TEMP_FAILURE_RETRY (writev (sock, iov, 2));
close (sock);
- if (resp != 0)
- error (EXIT_FAILURE, resp, _("invalidation failed"));
-
- exit (0);
+ exit (nbytes != iov[0].iov_len + iov[1].iov_len
+ ? EXIT_FAILURE : EXIT_SUCCESS);
}
case 't':
@@ -387,7 +367,16 @@ parse_opt (int key, char *arg, struct argp_state *state)
break;
case 'S':
+#if 0
+ if (strcmp (arg, "passwd,yes") == 0)
+ secure_in_use = dbs[pwddb].secure = 1;
+ else if (strcmp (arg, "group,yes") == 0)
+ secure_in_use = dbs[grpdb].secure = 1;
+ else if (strcmp (arg, "hosts,yes") == 0)
+ secure_in_use = dbs[hstdb].secure = 1;
+#else
error (0, 0, _("secure services not implemented anymore"));
+#endif
break;
default:
@@ -406,7 +395,7 @@ print_version (FILE *stream, struct argp_state *state)
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
-"), "2006");
+"), "2004");
fprintf (stream, gettext ("Written by %s.\n"),
"Thorsten Kukuk and Ulrich Drepper");
}
@@ -453,9 +442,6 @@ termination_handler (int signum)
/* Synchronize memory. */
for (int cnt = 0; cnt < lastdb; ++cnt)
{
- if (!dbs[cnt].enabled)
- continue;
-
/* Make sure nobody keeps using the database. */
dbs[cnt].head->timestamp = 0;
@@ -509,10 +495,10 @@ write_pid (const char *file)
return -1;
fprintf (fp, "%d\n", getpid ());
-
- int result = fflush (fp) || ferror (fp) ? -1 : 0;
+ if (fflush (fp) || ferror (fp))
+ return -1;
fclose (fp);
- return result;
+ return 0;
}