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#!/bin/sh
#
# Blackbox tests for an exported keytab with kinit
#
# Copyright (C) 2006-2007 Jelmer Vernooij <jelmer@samba.org>
# Copyright (C) 2006-2008 Andrew Bartlett <abartlet@samba.org>
# Copyright (C) 2016 Andreas Schneider <asn@cryptomilk.org>
if [ $# -lt 7 ]; then
cat <<EOF
Usage: test_extract_keytab.sh SERVER USERNAME REALM DOMAIN PREFIX SMBCLIENT CONFIGURATION
EOF
exit 1
fi
SERVER=$1
USERNAME=$2
REALM=$3
DOMAIN=$4
PREFIX=$5
smbclient=$6
CONFIGURATION=${7}
shift 7
failed=0
samba_bindir="$BINDIR"
samba_tool="$samba_bindir/samba-tool"
samba_newuser="$samba_tool user create"
samba_texpect="$samba_bindir/texpect"
samba_ktutil="$BINDIR/samba4ktutil"
samba_kinit=kinit
samba_kdestroy=kdestroy
SERVER_FQDN="$SERVER.$(echo $REALM | tr '[:upper:]' '[:lower:]')"
source $(dirname $0)/subunit.sh
test_smbclient()
{
name="$1"
cmd="$2"
shift
shift
echo "test: $name"
$VALGRIND $smbclient //$SERVER/tmp -c "$cmd" "$@"
status=$?
if [ x$status = x0 ]; then
echo "success: $name"
else
echo "failure: $name"
fi
return $status
}
test_keytab()
{
testname="$1"
keytab="$2"
principal="$3"
expected_nkeys="$4"
echo "test: $testname"
NKEYS=$($VALGRIND $samba_ktutil $keytab | grep -i "$principal" | egrep -c "DES|AES|ArcFour")
status=$?
if [ x$status != x0 ]; then
echo "failure: $testname"
return $status
fi
if [ x$NKEYS != x$expected_nkeys ]; then
echo "failure: $testname"
return 1
fi
echo "success: $testname"
return 0
}
TEST_USER="$(mktemp -u keytabtestuserXXXXXX)"
TEST_PASSWORD=testPaSS@01%
EXPECTED_NKEYS=3
krb5_version="$(krb5-config --version | cut -d ' ' -f 4)"
krb5_major_version="$(echo $krb5_version | awk -F. '{ print $1; }')"
krb5_minor_version="$(echo $krb5_version | awk -F. '{ print $2; }')"
# MIT Kerberos < 1.18 has support for DES keys
if [ $krb5_major_version -eq 1 ] && [ $krb5_minor_version -lt 18 ]; then
EXPECTED_NKEYS=5
fi
testit "create local user $TEST_USER" \
$VALGRIND $PYTHON $samba_newuser $TEST_USER $TEST_PASSWORD \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
testit "dump keytab from domain" \
$VALGRIND $PYTHON $samba_tool domain exportkeytab $PREFIX/tmpkeytab-all \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
test_keytab "read keytab from domain" \
"$PREFIX/tmpkeytab-all" "$SERVER\\\$" $EXPECTED_NKEYS
testit "dump keytab from domain (2nd time)" \
$VALGRIND $PYTHON $samba_tool domain exportkeytab $PREFIX/tmpkeytab-all \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
test_keytab "read keytab from domain (2nd time)" \
"$PREFIX/tmpkeytab-all" "$SERVER\\\$" $EXPECTED_NKEYS
testit "dump keytab from domain for cifs service principal" \
$VALGRIND $PYTHON $samba_tool domain exportkeytab \
$PREFIX/tmpkeytab-server --principal=cifs/$SERVER_FQDN \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
test_keytab "read keytab from domain for cifs service principal" \
"$PREFIX/tmpkeytab-server" "cifs/$SERVER_FQDN" $EXPECTED_NKEYS
testit "dump keytab from domain for cifs service principal (2nd time)" \
$VALGRIND $PYTHON $samba_tool domain exportkeytab \
$PREFIX/tmpkeytab-server --principal=cifs/$SERVER_FQDN \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
test_keytab "read keytab from domain for cifs service principal (2nd time)" \
"$PREFIX/tmpkeytab-server" "cifs/$SERVER_FQDN" $EXPECTED_NKEYS
testit "dump keytab from domain for user principal" \
$VALGRIND $PYTHON $samba_tool domain exportkeytab \
$PREFIX/tmpkeytab-user-princ --principal=$TEST_USER \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
test_keytab "dump keytab from domain for user principal" \
"$PREFIX/tmpkeytab-user-princ" "$TEST_USER@$REALM" $EXPECTED_NKEYS
testit "dump keytab from domain for user principal (2nd time)" \
$VALGRIND $PYTHON $samba_tool domain exportkeytab \
$PREFIX/tmpkeytab-user-princ --principal=$TEST_USER@$REALM \
"${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
test_keytab "dump keytab from domain for user principal (2nd time)" \
"$PREFIX/tmpkeytab-user-princ" "$TEST_USER@$REALM" $EXPECTED_NKEYS
KRB5CCNAME="$PREFIX/tmpuserccache"
export KRB5CCNAME
testit "kinit with keytab as user" \
$VALGRIND $samba_kinit -k -t $PREFIX/tmpkeytab-all \
$TEST_USER@$REALM || \
failed=$((failed + 1))
test_smbclient "Test login with user kerberos ccache" \
'ls' --use-krb5-ccache="${KRB5CCNAME}" || \
failed=$((failed + 1))
$samba_kdestroy
testit "kinit with keytab as user (one princ)" \
$VALGRIND $samba_kinit -k -t $PREFIX/tmpkeytab-user-princ \
$TEST_USER@$REALM || \
failed=$((failed + 1))
test_smbclient "Test login with user kerberos ccache (one princ)" \
'ls' --use-krb5-ccache="${KRB5CCNAME}" || \
failed=$((failed + 1))
$samba_kdestroy
KRB5CCNAME="$PREFIX/tmpadminccache"
export KRB5CCNAME
testit "kinit with keytab as $USERNAME" \
$VALGRIND $samba_kinit -k -t $PREFIX/tmpkeytab-all $USERNAME@$REALM || \
failed=$((failed + 1))
KRB5CCNAME="$PREFIX/tmpserverccache"
export KRB5CCNAME
echo "$samba_kinit -k -t $PREFIX/tmpkeytab-server cifs/$SERVER_FQDN"
testit "kinit with SPN from keytab" \
$VALGRIND $samba_kinit -k -t $PREFIX/tmpkeytab-server \
cifs/$SERVER_FQDN || \
failed=$((failed + 1))
# cleanup
testit "delete user $TEST_USER" \
$VALGRIND $PYTHON $samba_tool user delete "${TEST_USER}" \
--use-krb5-ccache="${KRB5CCNAME}" "${CONFIGURATION}" "$@" || \
failed=$((failed + 1))
$samba_kdestroy
rm -f $PREFIX/tmpadminccache \
$PREFIX/tmpuserccache \
$PREFIX/tmpkeytab \
$PREFIX/tmpkeytab-2 \
$PREFIX/tmpkeytab-server
exit $failed
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