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ldb_msg: Don't fail in ldb_msg_copy() if source DN is NULL

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=14642
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14836

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
(cherry picked from commit c2bbe774ce03661666a1f48922a9ab681ef4f64b)
This commit is contained in:
Joseph Sutton 2021-09-14 11:08:41 +12:00 committed by Jule Anger
parent 9f79d4256f
commit 9d61f2f2f3
1 changed files with 4 additions and 2 deletions
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6
lib/ldb/common/ldb_msg.c
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@ -876,8 +876,10 @@ struct ldb_message *ldb_msg_copy(TALLOC_CTX *mem_ctx,
msg2 = ldb_msg_copy_shallow(mem_ctx, msg);
if (msg2 == NULL) return NULL;
msg2->dn = ldb_dn_copy(msg2, msg2->dn);
if (msg2->dn == NULL) goto failed;
if (msg2->dn != NULL) {
msg2->dn = ldb_dn_copy(msg2, msg2->dn);
if (msg2->dn == NULL) goto failed;
}
for (i=0;i<msg2->num_elements;i++) {
struct ldb_message_element *el = &msg2->elements[i];