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Diffstat (limited to '')
| -rw-r--r-- | lib/nscd.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/nscd.c b/lib/nscd.c new file mode 100644 index 0000000..2c2251a --- /dev/null +++ b/lib/nscd.c @@ -0,0 +1,58 @@ +/* Author: Peter Vrabec <pvrabec@redhat.com> */ + +#include <config.h> +#ifdef USE_NSCD + +#include <stdio.h> +#include <sys/wait.h> +#include <sys/types.h> +#include "exitcodes.h" +#include "defines.h" +#include "prototypes.h" +#include "nscd.h" +#include "shadowlog_internal.h" + +#define MSG_NSCD_FLUSH_CACHE_FAILED "%s: Failed to flush the nscd cache.\n" + +/* + * nscd_flush_cache - flush specified service buffer in nscd cache + */ +int nscd_flush_cache (const char *service) +{ + int status, code; + const char *cmd = "/usr/sbin/nscd"; + const char *spawnedArgs[] = {"nscd", "-i", service, NULL}; + const char *spawnedEnv[] = {NULL}; + + if (run_command (cmd, spawnedArgs, spawnedEnv, &status) != 0) { + /* run_command writes its own more detailed message. */ + (void) fprintf (shadow_logfd, _(MSG_NSCD_FLUSH_CACHE_FAILED), shadow_progname); + return -1; + } + + code = WEXITSTATUS (status); + if (!WIFEXITED (status)) { + (void) fprintf (shadow_logfd, + _("%s: nscd did not terminate normally (signal %d)\n"), + shadow_progname, WTERMSIG (status)); + return -1; + } else 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; + } else if (code == 1) { + /* nscd is installed, but it isn't active. */ + return 0; + } else if (code != 0) { + (void) fprintf (shadow_logfd, _("%s: nscd exited with status %d\n"), + shadow_progname, code); + (void) fprintf (shadow_logfd, _(MSG_NSCD_FLUSH_CACHE_FAILED), shadow_progname); + return -1; + } + + return 0; +} +#else /* USE_NSCD */ +extern int errno; /* warning: ANSI C forbids an empty source file */ +#endif /* USE_NSCD */ + |