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-rw-r--r--lib/nscd.c58
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 */
+