From 1f65f211699714154ac01f2271cd11025ced7b81 Mon Sep 17 00:00:00 2001
From: Andrew Bartlett <abartlet@samba.org>
Date: Tue, 3 Mar 2020 12:36:42 +1300
Subject: selftest: Add test for dangling backlinks to objects that do not
 exist

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14306

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---
 testprogs/blackbox/dbcheck-links.sh | 47 +++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'testprogs')

diff --git a/testprogs/blackbox/dbcheck-links.sh b/testprogs/blackbox/dbcheck-links.sh
index d82d0b1dabc..450faaf594e 100755
--- a/testprogs/blackbox/dbcheck-links.sh
+++ b/testprogs/blackbox/dbcheck-links.sh
@@ -777,6 +777,52 @@ EOF
     fi
 }
     
+dangling_link_to_unknown_does_not_prevent_delete() {
+
+    #
+    # Step1: add user "dangling"
+    #
+    ldif=$PREFIX_ABS/${RELEASE}/backlink_can_be_vanished1.ldif
+    dn='CN=dangling-for-vanish,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp'
+    cat > $ldif <<EOF
+dn: $dn
+changetype: add
+objectclass: user
+samaccountname: dangling-v
+objectGUID: a4090081-ac2a-410c-8924-b255375160e8
+EOF
+
+    out=$(TZ=UTC $ldbmodify -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --relax $ldif)
+    if [ "$?" != "0" ]; then
+	echo "ldbmodify returned:\n$out"
+	return 1
+    fi
+
+    #
+    # Step2: add a dangling backlink from
+    # "CN=dangling-for-vanish" to "CN=NOT Enterprise Admins"
+    #
+    ldif=$PREFIX_ABS/${RELEASE}/backlink_can_be_vanished2.ldif
+    {
+	echo "dn: $dn"
+	echo "changetype: modify"
+	echo "add: memberOf"
+	echo "memberOf: <GUID=09a47bff-0227-44e1-a8e4-63f9e726515d>;<SID=S-1-5-21-4177067393-1453636373-93818738-588>;CN=NOT Enterprise Admins,CN=Users,DC=release-4-5-0-pre1,DC=samba,DC=corp"
+    } > $ldif
+
+    out=$(TZ=UTC $ldbmodify -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb.d/DC%3DRELEASE-4-5-0-PRE1,DC%3DSAMBA,DC%3DCORP.ldb $ldif)
+    if [ "$?" != "0" ]; then
+	echo "ldbmodify returned:\n$out"
+	return 1
+    fi
+
+    out=$(TZ=UTC $ldbdel -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb "$dn")
+    if [ "$?" != "0" ]; then
+	echo "ldbdel returned:\n$out"
+	return 1
+    fi
+}
+
 if [ -d $release_dir ]; then
     testit $RELEASE undump
     testit "add_two_more_users" add_two_more_users
@@ -837,6 +883,7 @@ if [ -d $release_dir ]; then
     # Currently this cannot pass
     testit "dbcheck_dangling_multi_valued_clean" dbcheck_clean
     testit "dangling_link_does_not_prevent_delete" dangling_link_does_not_prevent_delete
+    testit "dangling_link_to_unknown_does_not_prevent_delete" dangling_link_to_unknown_does_not_prevent_delete
 else
     subunit_start_test $RELEASE
     subunit_skip_test $RELEASE <<EOF
-- 
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