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 */
+