From f81771c8593327e058b9cb4330d7e77083df3ea9 Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Fri, 12 Oct 2018 15:56:18 +0200
Subject: blackbox/dbcheck-links: Test broken links with missing <SID=...> on
 linked attributes

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13418

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---
 testprogs/blackbox/dbcheck-links.sh | 110 ++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

(limited to 'testprogs')

diff --git a/testprogs/blackbox/dbcheck-links.sh b/testprogs/blackbox/dbcheck-links.sh
index 13811ddb461..9798813004c 100755
--- a/testprogs/blackbox/dbcheck-links.sh
+++ b/testprogs/blackbox/dbcheck-links.sh
@@ -131,6 +131,113 @@ check_expected_after_duplicate_links() {
     fi
 }
 
+missing_link_sid_corruption() {
+    # Step1: add user "missingsidu1"
+    #
+    ldif=$PREFIX_ABS/${RELEASE}/missing_link_sid_corruption1.ldif
+    cat > $ldif <<EOF
+dn: CN=missingsidu1,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+changetype: add
+objectclass: user
+samaccountname: missingsidu1
+objectGUID: 0da8f25e-d110-11e8-80b7-3c970ec68461
+objectSid: S-1-5-21-4177067393-1453636373-93818738-771
+EOF
+
+    out=$(TZ=UTC $ldbmodify -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --relax $ldif)
+    if [ "$?" != "0" ]; then
+	echo "ldbmodify returned:\n$out"
+	return 1
+    fi
+
+    # Step2: add user "missingsidu2"
+    #
+    ldif=$PREFIX_ABS/${RELEASE}/missing_link_sid_corruption2.ldif
+    cat > $ldif <<EOF
+dn: CN=missingsidu2,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+changetype: add
+objectclass: user
+samaccountname: missingsidu2
+objectGUID: 66eb8f52-d110-11e8-ab9b-3c970ec68461
+objectSid: S-1-5-21-4177067393-1453636373-93818738-772
+EOF
+
+    out=$(TZ=UTC $ldbmodify -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --relax $ldif)
+    if [ "$?" != "0" ]; then
+	echo "ldbmodify returned:\n$out"
+	return 1
+    fi
+
+    # Step3: add group "missingsidg3" and add users as members
+    #
+    ldif=$PREFIX_ABS/${RELEASE}/missing_link_sid_corruption3.ldif
+    cat > $ldif <<EOF
+dn: CN=missingsidg3,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+changetype: add
+objectclass: group
+samaccountname: missingsidg3
+objectGUID: fd992424-d114-11e8-bb36-3c970ec68461
+objectSid: S-1-5-21-4177067393-1453636373-93818738-773
+member: CN=missingsidu1,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+member: CN=missingsidu2,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+EOF
+
+    out=$(TZ=UTC $ldbmodify -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --relax $ldif)
+    if [ "$?" != "0" ]; then
+	echo "ldbmodify returned:\n$out"
+	return 1
+    fi
+
+    # Step4: remove one user again, so that we have one deleted link
+    #
+    ldif=$PREFIX_ABS/${RELEASE}/missing_link_sid_corruption4.ldif
+    cat > $ldif <<EOF
+dn: CN=missingsidg3,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+changetype: modify
+delete: member
+member: CN=missingsidu1,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp
+EOF
+
+    out=$(TZ=UTC $ldbmodify -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb --relax $ldif)
+    if [ "$?" != "0" ]; then
+	echo "ldbmodify returned:\n$out"
+	return 1
+    fi
+
+    #
+    # Step5: remove the SIDS from the links
+    #
+    LDIF1=$(TZ=UTC $ldbsearch -H tdb://$PREFIX_ABS/${RELEASE}/private/sam.ldb -b 'CN=missingsidg3,CN=users,DC=release-4-5-0-pre1,DC=samba,DC=corp' -s base --reveal --extended-dn --show-binary member)
+    DN=$(echo "${LDIF1}" | grep '^dn: ')
+    MSG=$(echo "${LDIF1}" | grep -v '^dn: ' | grep -v '^#' | grep -v '^$')
+    ldif=$PREFIX_ABS/${RELEASE}/missing_link_sid_corruption5.ldif
+    {
+	echo "${DN}"
+	echo "changetype: modify"
+	echo "replace: member"
+	#echo "${MSG}"
+	echo "${MSG}" | sed \
+		-e 's!<SID=S-1-5-21-4177067393-1453636373-93818738-771>;!!g' \
+		-e 's!<SID=S-1-5-21-4177067393-1453636373-93818738-772>;!!g' \
+		-e 's!RMD_ADDTIME=[1-9][0-9]*!RMD_ADDTIME=123456789000000000!g' \
+		-e 's!RMD_CHANGETIME=[1-9][0-9]*!RMD_CHANGETIME=123456789000000000!g' \
+		| cat
+    } > $ldif
+
+    out=$(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
+
+    return 0
+}
+
+dbcheck_missing_link_sid_corruption() {
+    dbcheck "-missing-link-sid-corruption" "1" ""
+    return $?
+}
+
 forward_link_corruption() {
     #
     # Step1: add a duplicate forward link from
@@ -344,6 +451,9 @@ if [ -d $release_dir ]; then
     testit "dangling_one_way_link" dangling_one_way_link
     testit "dbcheck_one_way" dbcheck_one_way
     testit "dbcheck_clean2" dbcheck_clean
+    testit "missing_link_sid_corruption" missing_link_sid_corruption
+    testit "dbcheck_missing_link_sid_corruption" dbcheck_missing_link_sid_corruption
+    testit "missing_link_sid_clean" dbcheck_clean
     testit "dangling_one_way_dn" dangling_one_way_dn
     testit "deleted_one_way_dn" deleted_one_way_dn
     testit "dbcheck_clean3" dbcheck_clean
-- 
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