fc0057ff35
* 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()
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/* Author: Peter Vrabec <pvrabec@redhat.com> */
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#include <config.h>
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#ifdef USE_NSCD
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/* because of TEMP_FAILURE_RETRY */
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include <features.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <spawn.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include "exitcodes.h"
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#include "defines.h"
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#include "spawn.h"
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#include "nscd.h"
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#define MSG_NSCD_FLUSH_CACHE_FAILED "Failed to flush the nscd cache.\n"
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/*
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* nscd_flush_cache - flush specified service buffer in nscd cache
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*/
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int nscd_flush_cache (const char *service)
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{
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pid_t pid;
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int err, status, code;
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const char *spawnedArgs[] = {"/usr/sbin/nscd", "nscd", "-i", service, NULL};
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const char *spawnedEnv[] = {NULL};
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err = run_command (spawnedArgs[0], spawnedArgs, spawnedEnv, &status);
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if (0 != err)
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{
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/* run_command writes its own more detailed message. */
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(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
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return -1;
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}
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code = WIFEXITED (status) ? WEXITSTATUS (status)
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: (WTERMSIG (status) + 128);
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if (code == E_CMD_NOTFOUND)
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{
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/* nscd is not installed, or it is installed but uses an
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interpreter that is missing. Probably the former. */
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return 0;
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}
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if (code != 0)
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{
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(void) fprintf (stderr, "nscd exited with status %d", code);
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(void) fputs (_(MSG_NSCD_FLUSH_CACHE_FAILED), stderr);
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return -1;
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}
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return 0;
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}
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#else /* USE_NSCD */
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extern int errno; /* warning: ANSI C forbids an empty source file */
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#endif /* USE_NSCD */
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