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samba-mirror/testprogs/blackbox/test_kinit_mit.sh
Isaac Boukris c556ac5c66 CVE-2018-16853: Add a test to verify s4u2self doesn't crash
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13571

Signed-off-by: Isaac Boukris <iboukris@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2018-11-28 08:22:24 +01:00

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#!/bin/sh
# Blackbox tests for kinit and kerberos integration with smbclient etc
# Copyright (c) 2015-2016 Andreas Schneider <asn@samba.org>
if [ $# -lt 5 ]; then
cat <<EOF
Usage: test_kinit.sh SERVER USERNAME PASSWORD REALM DOMAIN PREFIX SMBCLIENT
EOF
exit 1;
fi
SERVER=$1
USERNAME=$2
PASSWORD=$3
REALM=$4
DOMAIN=$5
PREFIX=$6
smbclient=$7
shift 7
failed=0
samba_bindir="$BINDIR"
samba_srcdir="$SRCDIR/source4"
samba_kinit=kinit
samba_kdestroy=kdestroy
samba_kpasswd=kpasswd
samba_kvno=kvno
samba_tool="$samba_bindir/samba-tool"
samba_texpect="$samba_bindir/texpect"
samba_enableaccount="$samba_tool user enable"
machineaccountccache="$samba_srcdir/scripting/bin/machineaccountccache"
ldbmodify="ldbmodify"
if [ -x "$samba_bindir/ldbmodify" ]; then
ldbmodify="$samba_bindir/ldbmodify"
fi
ldbsearch="ldbsearch"
if [ -x "$samba_bindir/ldbsearch" ]; then
ldbsearch="$samba_bindir/ldbsearch"
fi
. `dirname $0`/subunit.sh
test_smbclient() {
name="$1"
cmd="$2"
shift
shift
echo "test: $name"
$VALGRIND $smbclient $CONFIGURATION //$SERVER/tmp -c "$cmd" $@
status=$?
if [ x$status = x0 ]; then
echo "success: $name"
else
echo "failure: $name"
fi
return $status
}
ADMIN_LDBMODIFY_CONFIG="-H ldap://$SERVER -U$USERNAME%$PASSWORD"
export ADMIN_LDBMODIFY_CONFIG
KRB5CCNAME_PATH="$PREFIX/tmpccache"
KRB5CCNAME="FILE:$KRB5CCNAME_PATH"
ADMIN_KRB5CCNAME="FILE:$KRB5CCNAME_PATH"
export KRB5CCNAME
rm -rf $KRB5CCNAME_PATH
testit "reset password policies beside of minimum password age of 0 days" $VALGRIND $PYTHON $samba_tool domain passwordsettings set $ADMIN_LDBMODIFY_CONFIG --complexity=default --history-length=default --min-pwd-length=default --min-pwd-age=0 --max-pwd-age=default || failed=`expr $failed + 1`
cat > $PREFIX/tmpkinitscript <<EOF
expect Password for
send ${PASSWORD}\n
EOF
###########################################################
### Test kinit defaults
###########################################################
testit "kinit with password" $samba_texpect $PREFIX/tmpkinitscript $samba_kinit $USERNAME@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
testit "kinit renew ticket" $samba_kinit -R || failed=`expr $failed + 1`
test_smbclient "Test login with kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
###########################################################
### Test kinit with enterprice principal
###########################################################
testit "kinit with password (enterprise style)" $samba_texpect $PREFIX/tmpkinitscript $samba_kinit -E $USERNAME@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
# This does not work with MIT Kerberos 1.14 or older
testit "kinit renew ticket (enterprise style)" $samba_kinit -R || failed=`expr $failed + 1`
test_smbclient "Test login with kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
###########################################################
### Tests with kinit default again
###########################################################
testit "kinit with password" $samba_texpect $PREFIX/tmpkinitscript $samba_kinit $USERNAME@$REALM || failed=`expr $failed + 1`
testit "check time with kerberos ccache" $VALGRIND $PYTHON $samba_tool time $SERVER $CONFIGURATION -k yes $@ || failed=`expr $failed + 1`
USERPASS="testPass@12%"
testit "add user with kerberos ccache" $VALGRIND $PYTHON $samba_tool user create nettestuser $USERPASS $CONFIGURATION -k yes $@ || failed=`expr $failed + 1`
echo "Getting defaultNamingContext"
BASEDN=`$ldbsearch $options --basedn='' -H ldap://$SERVER -s base DUMMY=x defaultNamingContext | grep defaultNamingContext | awk '{print $2}'`
cat > $PREFIX/tmpldbmodify <<EOF
dn: cn=nettestuser,cn=users,$BASEDN
changetype: modify
add: servicePrincipalName
servicePrincipalName: host/nettestuser
replace: userPrincipalName
userPrincipalName: nettest@$REALM
EOF
testit "modify servicePrincipalName and userPrincpalName" $VALGRIND $ldbmodify -H ldap://$SERVER $PREFIX/tmpldbmodify -k yes $@ || failed=`expr $failed + 1`
testit "set user password with kerberos ccache" $VALGRIND $PYTHON $samba_tool user setpassword nettestuser --newpassword=$USERPASS $CONFIGURATION -k yes $@ || failed=`expr $failed + 1`
testit "enable user with kerberos cache" $VALGRIND $PYTHON $samba_enableaccount nettestuser -H ldap://$SERVER -k yes $@ || failed=`expr $failed + 1`
###########################################################
### Test kinit with user credentials
###########################################################
KRB5CCNAME_PATH="$PREFIX/tmpuserccache"
KRB5CCNAME="FILE:$KRB5CCNAME_PATH"
export KRB5CCNAME
rm -f $KRB5CCNAME_PATH
cat > $PREFIX/tmpkinituserpassscript <<EOF
expect Password for
send ${USERPASS}\n
EOF
testit "kinit with user password" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettestuser@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
### Change password
NEWUSERPASS="testPaSS@34%"
testit "change user password with 'samba-tool user password' (rpc)" $VALGRIND $PYTHON $samba_tool user password -W$DOMAIN -Unettestuser%$USERPASS $CONFIGURATION -k no --newpassword=$NEWUSERPASS $@ || failed=`expr $failed + 1`
cat > $PREFIX/tmpkinituserpassscript <<EOF
expect Password for
send ${NEWUSERPASS}\n
EOF
testit "kinit with new user password" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettestuser@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
###########################################################
### Test kinit with user credentials in special formats
###########################################################
testit "kinit with new (NT-Principal style) using UPN" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettest@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache from NT UPN" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
testit "kinit with new (enterprise style) using UPN" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit -E nettest@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache from enterprise UPN" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
###########################################################
### Test kinit with user credentials and changed realm
###########################################################
cat > $PREFIX/tmpldbmodify <<EOF
dn: cn=nettestuser,cn=users,$BASEDN
changetype: modify
replace: userPrincipalName
userPrincipalName: nettest@$REALM.org
EOF
testit "modify userPrincipalName to be a different domain" $VALGRIND $ldbmodify $ADMIN_LDBMODIFY_CONFIG $PREFIX/tmpldbmodify $PREFIX/tmpldbmodify -k yes $@ || failed=`expr $failed + 1`
testit "kinit with new (enterprise style) using UPN" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit -E nettest@$REALM.org || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache from enterprise UPN" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
###########################################################
### Test password change with kpasswd
###########################################################
testit "kinit with user password" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettestuser@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
USERPASS=$NEWUSERPASS
NEWUSERPASS=testPaSS@56%
cat > $PREFIX/tmpkpasswdscript <<EOF
expect Password for
password ${USERPASS}\n
expect Enter new password
send ${NEWUSERPASS}\n
expect Enter it again
send ${NEWUSERPASS}\n
expect Password changed
EOF
testit "change user password with kpasswd" $samba_texpect $PREFIX/tmpkpasswdscript $samba_kpasswd nettestuser@$REALM || failed=`expr $failed + 1`
$samba_kdestroy
USERPASS=$NEWUSERPASS
cat > $PREFIX/tmpkinituserpassscript <<EOF
expect Password for
send ${USERPASS}\n
EOF
testit "kinit with user password" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettestuser@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
$samba_kdestroy
###########################################################
### TODO Test set password with kpasswd
###########################################################
# This is not implemented in kpasswd
###########################################################
### Test password expiry
###########################################################
cat > $PREFIX/tmpldbmodify <<EOF
dn: cn=nettestuser,cn=users,$BASEDN
changetype: modify
replace: pwdLastSet
pwdLastSet: 0
EOF
USERPASS=$NEWUSERPASS
NEWUSERPASS=testPaSS@911%
testit "modify pwdLastSet" $VALGRIND $ldbmodify $ADMIN_LDBMODIFY_CONFIG $PREFIX/tmpldbmodify $PREFIX/tmpldbmodify -k yes $@ || failed=`expr $failed + 1`
cat > $PREFIX/tmpkinituserpassscript <<EOF
expect Password for
send ${USERPASS}\n
expect Password expired. You must change it now.
expect Enter new password
send ${NEWUSERPASS}\n
expect Enter it again
send ${NEWUSERPASS}\n
EOF
testit "kinit (MIT) with user password for expired password" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettestuser@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
USERPASS=$NEWUSERPASS
cat > $PREFIX/tmpkinituserpassscript <<EOF
expect Password for
send ${USERPASS}\n
EOF
testit "kinit with user password" $samba_texpect $PREFIX/tmpkinituserpassscript $samba_kinit nettestuser@$REALM || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
###########################################################
### Test login with lowercase realm
###########################################################
KRB5CCNAME_PATH="$PREFIX/tmpccache"
KRB5CCNAME="FILE:$KRB5CCNAME_PATH"
export KRB5CCNAME
rm -rf $KRB5CCNAME_PATH
lowerrealm=$(echo $REALM | tr '[A-Z]' '[a-z]')
test_smbclient "Test login with user kerberos lowercase realm" 'ls' -k yes -Unettestuser@$lowerrealm%$NEWUSERPASS || failed=`expr $failed + 1`
test_smbclient "Test login with user kerberos lowercase realm 2" 'ls' -k yes -Unettestuser@$REALM%$NEWUSERPASS --realm=$lowerrealm || failed=`expr $failed + 1`
testit "del user with kerberos ccache" $VALGRIND $PYTHON $samba_tool user delete nettestuser $CONFIGURATION -k yes $@ || failed=`expr $failed + 1`
###########################################################
### Test login with machine account
###########################################################
rm -f $KRB5CCNAME_PATH
testit "kinit with machineaccountccache script" $PYTHON $machineaccountccache $CONFIGURATION $KRB5CCNAME || failed=`expr $failed + 1`
test_smbclient "Test machine account login with kerberos ccache" 'ls' -k yes || failed=`expr $failed + 1`
testit "reset password policies" $VALGRIND $PYTHON $samba_tool domain passwordsettings set $ADMIN_LDBMODIFY_CONFIG --complexity=default --history-length=default --min-pwd-length=default --min-pwd-age=default --max-pwd-age=default || failed=`expr $failed + 1`
###########################################################
### Test basic s4u2self request
###########################################################
# Use previous acquired machine creds to request a ticket for self.
# We expect it to fail for now.
MACHINE_ACCOUNT="$(hostname -s | tr [a-z] [A-Z])\$@$REALM"
$samba_kvno -U$MACHINE_ACCOUNT $MACHINE_ACCOUNT
# But we expect the KDC to be up and running still
testit "kinit with machineaccountccache after s4u2self" $machineaccountccache $CONFIGURATION $KRB5CCNAME || failed=`expr $failed + 1`
### Cleanup
$samba_kdestroy
rm -f $KRB5CCNAME_PATH
rm -f $PREFIX/tmpkinituserpassscript
rm -f $PREFIX/tmpkinitscript
rm -f $PREFIX/tmpkpasswdscript
exit $failed