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#!/bin/sh
# Blackbox tests for chainging passwords with kinit and kpasswd
#
# Copyright (C) 2006-2007 Jelmer Vernooij <jelmer@samba.org>
# Copyright (C) 2006-2008 Andrew Bartlett <abartlet@samba.org>
# Copyright (C) 2016 Andreas Schneider <asn@samba.org>
if [ $# -lt 7 ]; then
cat <<EOF
Usage: test_kpasswd_heimdal.sh SERVER USERNAME PASSWORD REALM DOMAIN PREFIX SMBCLIENT CONFIGURATION
EOF
exit 1
fi
SERVER=$1
USERNAME=$2
PASSWORD=$3
REALM=$4
DOMAIN=$5
PREFIX=$6
CONFIGURATION=${7}
shift 7
failed=0
samba_bindir="$BINDIR"
smbclient="$samba_bindir/smbclient"
samba_kinit=$samba_bindir/samba4kinit
samba_kpasswd=$samba_bindir/samba4kpasswd
mit_kpasswd="$(command -v kpasswd)"
samba_tool="$samba_bindir/samba-tool"
net_tool="$samba_bindir/net ${CONFIGURATION}"
texpect="$samba_bindir/texpect"
newuser="$samba_tool user create"
SMB_UNC="//$SERVER/tmp"
. $(dirname $0)/subunit.sh
. $(dirname $0)/common_test_fns.inc
do_kinit()
{
principal="$1"
password="$2"
shift
shift
kerberos_kinit "$samba_kinit" "$principal" "$password" "$@"
}
testit "reset password policies beside of minimum password age of 0 days" \
$VALGRIND $PYTHON $samba_tool domain passwordsettings set "${CONFIGURATION}" --complexity=default --history-length=default --min-pwd-length=default --min-pwd-age=0 --max-pwd-age=default || failed=$(expr $failed + 1)
TEST_USERNAME="$(mktemp -u alice-XXXXXX)"
TEST_PRINCIPAL="$TEST_USERNAME@$REALM"
TEST_PASSWORD="testPaSS@00%"
TEST_PASSWORD_NEW="testPaSS@01%"
TEST_PASSWORD_SHORT="secret"
TEST_PASSWORD_WEAK="Supersecret"
testit "create user locally" \
$VALGRIND $PYTHON $newuser "${CONFIGURATION}" $TEST_USERNAME $TEST_PASSWORD || failed=$(expr $failed + 1)
KRB5CCNAME="$PREFIX/tmpuserccache"
export KRB5CCNAME
testit "kinit with user password" \
do_kinit $TEST_PRINCIPAL $TEST_PASSWORD || failed=$(expr $failed + 1)
test_smbclient "Test login with user kerberos ccache" \
"ls" "$SMB_UNC" --use-krb5-ccache=${KRB5CCNAME} || failed=$(expr $failed + 1)
testit "change user password with 'samba-tool user password' (unforced)" \
$VALGRIND $PYTHON $samba_tool user password "${CONFIGURATION}" -W$DOMAIN -U$TEST_USERNAME%$TEST_PASSWORD --use-kerberos=off --newpassword=$TEST_PASSWORD_NEW || failed=$(expr $failed + 1)
TEST_PASSWORD_OLD=$TEST_PASSWORD
TEST_PASSWORD=$TEST_PASSWORD_NEW
TEST_PASSWORD_NEW="testPaSS@02%"
testit "kinit with user password" \
do_kinit $TEST_PRINCIPAL $TEST_PASSWORD || failed=$(expr $failed + 1)
test_smbclient "Test login with user kerberos ccache" \
"ls" "$SMB_UNC" --use-krb5-ccache=${KRB5CCNAME} || failed=$(expr $failed + 1)
###########################################################
### check that a short password is rejected
###########################################################
cat >$PREFIX/tmpkpasswdscript <<EOF
expect Password
password ${TEST_PASSWORD}\n
expect New password
send ${TEST_PASSWORD_SHORT}\n
expect Verify password
send ${TEST_PASSWORD_SHORT}\n
expect Password too short
EOF
testit "kpasswd check short user password" \
$texpect $PREFIX/tmpkpasswdscript $samba_kpasswd $TEST_PRINCIPAL || failed=$(expr $failed + 1)
###########################################################
### check that a weak password is rejected
###########################################################
echo "check that a short password is rejected"
cat >$PREFIX/tmpkpasswdscript <<EOF
expect Password
password ${TEST_PASSWORD}\n
expect New password
send $TEST_PASSWORD_WEAK\n
expect Verify password
send $TEST_PASSWORD_WEAK\n
expect Password does not meet complexity requirements
EOF
testit "kpasswd check weak user password" \
$texpect $PREFIX/tmpkpasswdscript $samba_kpasswd $TEST_PRINCIPAL || failed=$(expr $failed + 1)
###########################################################
### check that a strong password is accepted
###########################################################
cat >$PREFIX/tmpkpasswdscript <<EOF
expect Password
password ${TEST_PASSWORD}\n
expect New password
send ${TEST_PASSWORD_NEW}\n
expect Verify password
send ${TEST_PASSWORD_NEW}\n
expect Success
EOF
testit "kpasswd change user password" \
$texpect $PREFIX/tmpkpasswdscript $samba_kpasswd $TEST_PRINCIPAL || failed=$(expr $failed + 1)
TEST_PASSWORD=$TEST_PASSWORD_NEW
TEST_PASSWORD_NEW="testPaSS@03%"
###########################################################
### CVE-2022-2031
###########################################################
if [ -n "${mit_kpasswd}" ]; then
cat > "${PREFIX}/tmpkpasswdscript" <<EOF
expect Password for ${TEST_PRINCIPAL}
password ${TEST_PASSWORD}\n
expect Enter new password
send ${TEST_PASSWORD_NEW}\n
expect Enter it again
send ${TEST_PASSWORD_NEW}\n
expect Password changed.
EOF
SAVE_KRB5_CONFIG="${KRB5_CONFIG}"
KRB5_CONFIG="${PREFIX}/tmpkrb5.conf"
export KRB5_CONFIG
sed -e 's/\[libdefaults\]/[libdefaults]\n canonicalize = yes/' \
"${SAVE_KRB5_CONFIG}" > "${KRB5_CONFIG}"
testit "MIT kpasswd change user password" \
"${texpect}" "${PREFIX}/tmpkpasswdscript" "${mit_kpasswd}" \
"${TEST_PRINCIPAL}" ||
failed=$((failed + 1))
KRB5_CONFIG="${SAVE_KRB5_CONFIG}"
export KRB5_CONFIG
fi
TEST_PASSWORD="${TEST_PASSWORD_NEW}"
TEST_PASSWORD_NEW="testPaSS@03force%"
###########################################################
### Force password change at login
###########################################################
testit "set password on user locally" \
$VALGRIND $PYTHON $samba_tool user setpassword $TEST_USERNAME "${CONFIGURATION}" --newpassword=$TEST_PASSWORD_NEW --must-change-at-next-login || failed=$(expr $failed + 1)
TEST_PASSWORD=$TEST_PASSWORD_NEW
TEST_PASSWORD_NEW="testPaSS@04%"
rm -f $PREFIX/tmpuserccache
cat >$PREFIX/tmpkinitscript <<EOF
expect Password
password ${TEST_PASSWORD}\n
expect Changing password
expect New password
send ${TEST_PASSWORD_NEW}\n
expect Repeat new password
send ${TEST_PASSWORD_NEW}\n
expect Success
EOF
testit "kinit and change user password" \
$texpect $PREFIX/tmpkinitscript $samba_kinit $TEST_PRINCIPAL || failed=$(expr $failed + 1)
TEST_PASSWORD=$TEST_PASSWORD_NEW
TEST_PASSWORD_NEW="testPaSS@07%"
test_smbclient "Test login with user (kerberos)" \
"ls" "$SMB_UNC" -k yes -U$TEST_PRINCIPAL%$TEST_PASSWORD || failed=$(expr $failed + 1)
###########################################################
### Test kpasswd service via 'net ads password'
###########################################################
# NOTE: This works with heimdal because the krb5_set_password function tries
# set_password call first and falls back to change_password if it doesn't
# succeed.
testit "change user password with 'net ads password', admin: $DOMAIN/$TEST_USERNAME, target: $TEST_PRINCIPAL" \
$VALGRIND $net_tool ads password -W$DOMAIN -U$TEST_PRINCIPAL%$TEST_PASSWORD $TEST_PRINCIPAL "$TEST_PASSWORD_NEW" || failed=$(expr $failed + 1)
TEST_PASSWORD=$TEST_PASSWORD_NEW
TEST_PASSWORD_NEW="testPaSS@08%"
test_smbclient "Test login with smbclient (ntlm)" \
"ls" "$SMB_UNC" -k no -U$TEST_PRINCIPAL%$TEST_PASSWORD || failed=$(expr $failed + 1)
###########################################################
### Test kpasswd service via 'net ads password' as admin
###########################################################
testit "set user password with 'net ads password', admin: $DOMAIN/$USERNAME, target: $TEST_PRINCIPAL" \
$VALGRIND $net_tool ads password -W$DOMAIN -U$USERNAME@$REALM%$PASSWORD $TEST_PRINCIPAL "$TEST_PASSWORD_NEW" || failed=$(expr $failed + 1)
TEST_PASSWORD=$TEST_PASSWORD_NEW
TEST_PASSWORD_NEW="testPaSS@07%"
test_smbclient "Test login with smbclient (ntlm)" \
"ls" "$SMB_UNC" -k no -U$TEST_PRINCIPAL%$TEST_PASSWORD || failed=$(expr $failed + 1)
###########################################################
### Cleanup
###########################################################
testit "reset password policies" \
$VALGRIND $PYTHON $samba_tool domain passwordsettings set "${CONFIGURATION}" --complexity=default --history-length=default --min-pwd-length=default --min-pwd-age=default --max-pwd-age=default || failed=$(expr $failed + 1)
testit "delete user" \
$VALGRIND $PYTHON $samba_tool user delete $TEST_USERNAME -U"$USERNAME%$PASSWORD" "${CONFIGURATION}" -k no || failed=$(expr $failed + 1)
rm -f $PREFIX/tmpuserccache $PREFIX/tmpkpasswdscript $PREFIX/tmpkinitscript
exit $failed
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