Avoid overflowing the file buffer

[pw-darwin.git] / libutil / gr_util.c

diff --git a/libutil/gr_util.c b/libutil/gr_util.c
index 0173595c24d0fb3cad6b9a4329e3946ad15fbdfe..be343954f403d5e1c6af17ed5b6decc94f309162 100644 (file)
--- a/libutil/gr_util.c
+++ b/libutil/gr_util.c
@@ -63,6 +63,7 @@ static const char group_line_format[] = "%s:%s:%ju:";
 int
 gr_init(const char *dir, const char *group)
 {
+
        if (dir == NULL) {
                strcpy(group_dir, _PATH_ETC);
        } else {
@@ -88,6 +89,7 @@ gr_init(const char *dir, const char *group)
                }
                strcpy(group_file, group);
        }
+
        initialized = 1;
        return (0);
 }
@@ -316,6 +318,9 @@ gr_copy(int ffd, int tfd, const struct group *gr, struct group *old_gr)
 int
 gr_mkdb(void)
 {
+       if (chmod(tempname, 0644) != 0)
+               return (-1);
+
        return (rename(tempname, group_file));
 }