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Diffstat (limited to 'nss/nss_files/files-XXX.c')
-rw-r--r--nss/nss_files/files-XXX.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c
index 3281580..e80c06d 100644
--- a/nss/nss_files/files-XXX.c
+++ b/nss/nss_files/files-XXX.c
@@ -21,6 +21,7 @@
#include <ctype.h>
#include <assert.h>
#include <errno.h>
+#include <fcntl.h>
#include <bits/libc-lock.h>
#include "nsswitch.h"
@@ -72,6 +73,26 @@ internal_setent (int stayopen)
if (stream == NULL)
status = NSS_STATUS_UNAVAIL;
+ else
+ {
+ /* We have to make sure the file is `closed on exec'. */
+ int result, flags;
+
+ result = flags = fcntl (fileno (stream), F_GETFD, 0);
+ if (result >= 0)
+ {
+ flags |= FD_CLOEXEC;
+ result = fcntl (fileno (stream), F_SETFD, flags);
+ }
+ if (result < 0)
+ {
+ /* Something went wrong. Close the stream and return a
+ failure. */
+ fclose (stream);
+ stream = NULL;
+ status = NSS_STATUS_UNAVAIL;
+ }
+ }
}
else
rewind (stream);