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-rw-r--r--libgfortran/io/unix.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c
index 805d4bb..9d2e9d8 100644
--- a/libgfortran/io/unix.c
+++ b/libgfortran/io/unix.c
@@ -1051,6 +1051,9 @@ tempfile_open (const char *tempdir, char **fname)
{
int fd;
const char *slash = "/";
+#if defined(HAVE_UMASK) && defined(HAVE_MKSTEMP)
+ mode_t mode_mask;
+#endif
if (!tempdir)
return -1;
@@ -1072,8 +1075,17 @@ tempfile_open (const char *tempdir, char **fname)
snprintf (template, tempdirlen + 23, "%s%sgfortrantmpXXXXXX",
tempdir, slash);
+#ifdef HAVE_UMASK
+ /* Temporarily set the umask such that the file has 0600 permissions. */
+ mode_mask = umask (S_IXUSR | S_IRWXG | S_IRWXO);
+#endif
+
fd = mkstemp (template);
+#ifdef HAVE_UMASK
+ (void) umask (mode_mask);
+#endif
+
#else /* HAVE_MKSTEMP */
fd = -1;
int count = 0;