Do not leave parts of the new group uninitialized in gr_dup().

Submitted by:	Christoph Mallon <christoph.mallon@gmx.de>
Reported by:	pjd

diff --git a/libutil/gr_util.c b/libutil/gr_util.c
index 437fd780b75dc52b965a9432b344f11fb60e7313..759e6e8925121bfc9bd86028c485f015b097d192 100644 (file)
--- a/libutil/gr_util.c
+++ b/libutil/gr_util.c
@@ -461,10 +461,14 @@ gr_dup(const struct group *gr)
        if (gr->gr_name != NULL) {
                newgr->gr_name = dst;
                dst = stpcpy(dst, gr->gr_name) + 1;
        if (gr->gr_name != NULL) {
                newgr->gr_name = dst;
                dst = stpcpy(dst, gr->gr_name) + 1;

+       } else {
+               newgr->gr_name = NULL;

        }
        if (gr->gr_passwd != NULL) {
                newgr->gr_passwd = dst;
                dst = stpcpy(dst, gr->gr_passwd) + 1;
        }
        if (gr->gr_passwd != NULL) {
                newgr->gr_passwd = dst;
                dst = stpcpy(dst, gr->gr_passwd) + 1;

+       } else {
+               newgr->gr_passwd = NULL;

        }
        newgr->gr_gid = gr->gr_gid;
        if (gr->gr_mem != NULL) {
        }
        newgr->gr_gid = gr->gr_gid;
        if (gr->gr_mem != NULL) {