shadow/lib/nscd.c
nekral-guest fc0057ff35 2011-08-20 Jonathan Nieder <jrnieder@gmail.com>
* lib/Makefile.am: Added lib/spawn.c and lib/spawn.h.
	* lib/nscd.c, lib/spawn.c, lib/spawn.h: It is not possible to
	differentiate between an nscd failure, and a failure to execute
	due to no nscd with posix_spawn. Use our own run_command routine.
	* src/userdel.c: Use run_command()
2011-08-20 13:33:38 +00:00

63 lines
1.5 KiB
C

/* Author: Peter Vrabec <pvrabec@redhat.com> */
#include <config.h>
#ifdef USE_NSCD
/* because of TEMP_FAILURE_RETRY */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <features.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <spawn.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/types.h>
#include "exitcodes.h"
#include "defines.h"
#include "spawn.h"
#include "nscd.h"
#define MSG_NSCD_FLUSH_CACHE_FAILED "Failed to flush the nscd cache.\n"
/*
* nscd_flush_cache - flush specified service buffer in nscd cache
*/
int nscd_flush_cache (const char *service)
{
pid_t pid;
int err, status, code;
const char *spawnedArgs[] = {"/usr/sbin/nscd", "nscd", "-i", service, NULL};
const char *spawnedEnv[] = {NULL};
err = run_command (spawnedArgs[0], spawnedArgs, spawnedEnv, &status);
if (0 != err)
{
/* run_command writes its own more detailed message. */
(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
return -1;
}
code = WIFEXITED (status) ? WEXITSTATUS (status)
: (WTERMSIG (status) + 128);
if (code == E_CMD_NOTFOUND)
{
/* nscd is not installed, or it is installed but uses an
interpreter that is missing. Probably the former. */
return 0;
}
if (code != 0)
{
(void) fprintf (stderr, "nscd exited with status %d", code);
(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
return -1;
}
return 0;
}
#else /* USE_NSCD */
extern int errno; /* warning: ANSI C forbids an empty source file */
#endif /* USE_NSCD */