mirror of https://gitee.com/openkylin/qemu.git
281 lines
8.5 KiB
Python
Executable File
281 lines
8.5 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
#
|
|
# Test case QMP's encrypted key management
|
|
#
|
|
# Copyright (C) 2019 Red Hat, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
import iotests
|
|
import os
|
|
import time
|
|
import json
|
|
|
|
test_img = os.path.join(iotests.test_dir, 'test.img')
|
|
|
|
class Secret:
|
|
def __init__(self, index):
|
|
self._id = "keysec" + str(index)
|
|
# you are not supposed to see the password...
|
|
self._secret = "hunter" + str(index)
|
|
|
|
def id(self):
|
|
return self._id
|
|
|
|
def secret(self):
|
|
return self._secret
|
|
|
|
def to_cmdline_object(self):
|
|
return [ "secret,id=" + self._id + ",data=" + self._secret]
|
|
|
|
def to_qmp_object(self):
|
|
return { "qom_type" : "secret", "id": self.id(),
|
|
"props": { "data": self.secret() } }
|
|
|
|
################################################################################
|
|
class EncryptionSetupTestCase(iotests.QMPTestCase):
|
|
|
|
# test case startup
|
|
def setUp(self):
|
|
# start the VM
|
|
self.vm = iotests.VM()
|
|
self.vm.launch()
|
|
|
|
# create the secrets and load 'em into the VM
|
|
self.secrets = [ Secret(i) for i in range(0, 6) ]
|
|
for secret in self.secrets:
|
|
result = self.vm.qmp("object-add", **secret.to_qmp_object())
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
if iotests.imgfmt == "qcow2":
|
|
self.pfx = "encrypt."
|
|
self.img_opts = [ '-o', "encrypt.format=luks" ]
|
|
else:
|
|
self.pfx = ""
|
|
self.img_opts = []
|
|
|
|
# test case shutdown
|
|
def tearDown(self):
|
|
# stop the VM
|
|
self.vm.shutdown()
|
|
|
|
###########################################################################
|
|
# create the encrypted block device
|
|
def createImg(self, file, secret):
|
|
|
|
iotests.qemu_img(
|
|
'create',
|
|
'--object', *secret.to_cmdline_object(),
|
|
'-f', iotests.imgfmt,
|
|
'-o', self.pfx + 'key-secret=' + secret.id(),
|
|
'-o', self.pfx + 'iter-time=10',
|
|
*self.img_opts,
|
|
file,
|
|
'1M')
|
|
|
|
###########################################################################
|
|
# open an encrypted block device
|
|
def openImageQmp(self, id, file, secret, read_only = False):
|
|
|
|
encrypt_options = {
|
|
'key-secret' : secret.id()
|
|
}
|
|
|
|
if iotests.imgfmt == "qcow2":
|
|
encrypt_options = {
|
|
'encrypt': {
|
|
'format':'luks',
|
|
**encrypt_options
|
|
}
|
|
}
|
|
|
|
result = self.vm.qmp('blockdev-add', **
|
|
{
|
|
'driver': iotests.imgfmt,
|
|
'node-name': id,
|
|
'read-only': read_only,
|
|
|
|
**encrypt_options,
|
|
|
|
'file': {
|
|
'driver': 'file',
|
|
'filename': test_img,
|
|
}
|
|
}
|
|
)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# close the encrypted block device
|
|
def closeImageQmp(self, id):
|
|
result = self.vm.qmp('blockdev-del', **{ 'node-name': id })
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
###########################################################################
|
|
# add a key to an encrypted block device
|
|
def addKeyQmp(self, id, new_secret, secret = None,
|
|
slot = None, force = False):
|
|
|
|
crypt_options = {
|
|
'state' : 'active',
|
|
'new-secret' : new_secret.id(),
|
|
'iter-time' : 10
|
|
}
|
|
|
|
if slot != None:
|
|
crypt_options['keyslot'] = slot
|
|
|
|
|
|
if secret != None:
|
|
crypt_options['secret'] = secret.id()
|
|
|
|
if iotests.imgfmt == "qcow2":
|
|
crypt_options['format'] = 'luks'
|
|
crypt_options = {
|
|
'encrypt': crypt_options
|
|
}
|
|
|
|
args = {
|
|
'node-name': id,
|
|
'job-id' : 'job_add_key',
|
|
'options' : {
|
|
'driver' : iotests.imgfmt,
|
|
**crypt_options
|
|
},
|
|
}
|
|
|
|
if force == True:
|
|
args['force'] = True
|
|
|
|
#TODO: check what jobs return
|
|
result = self.vm.qmp('x-blockdev-amend', **args)
|
|
assert result['return'] == {}
|
|
self.vm.run_job('job_add_key')
|
|
|
|
# erase a key from an encrypted block device
|
|
def eraseKeyQmp(self, id, old_secret = None, slot = None, force = False):
|
|
|
|
crypt_options = {
|
|
'state' : 'inactive',
|
|
}
|
|
|
|
if slot != None:
|
|
crypt_options['keyslot'] = slot
|
|
if old_secret != None:
|
|
crypt_options['old-secret'] = old_secret.id()
|
|
|
|
if iotests.imgfmt == "qcow2":
|
|
crypt_options['format'] = 'luks'
|
|
crypt_options = {
|
|
'encrypt': crypt_options
|
|
}
|
|
|
|
args = {
|
|
'node-name': id,
|
|
'job-id' : 'job_erase_key',
|
|
'options' : {
|
|
'driver' : iotests.imgfmt,
|
|
**crypt_options
|
|
},
|
|
}
|
|
|
|
if force == True:
|
|
args['force'] = True
|
|
|
|
result = self.vm.qmp('x-blockdev-amend', **args)
|
|
assert result['return'] == {}
|
|
self.vm.run_job('job_erase_key')
|
|
|
|
###########################################################################
|
|
# create image, and change its key
|
|
def testChangeKey(self):
|
|
|
|
# create the image with secret0 and open it
|
|
self.createImg(test_img, self.secrets[0]);
|
|
self.openImageQmp("testdev", test_img, self.secrets[0])
|
|
|
|
# add key to slot 1
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[1])
|
|
|
|
# add key to slot 5
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[2], slot=5)
|
|
|
|
# erase key from slot 0
|
|
self.eraseKeyQmp("testdev", old_secret = self.secrets[0])
|
|
|
|
#reopen the image with secret1
|
|
self.closeImageQmp("testdev")
|
|
self.openImageQmp("testdev", test_img, self.secrets[1])
|
|
|
|
# close and erase the image for good
|
|
self.closeImageQmp("testdev")
|
|
os.remove(test_img)
|
|
|
|
# test that if we erase the old password,
|
|
# we can still change the encryption keys using 'old-secret'
|
|
def testOldPassword(self):
|
|
|
|
# create the image with secret0 and open it
|
|
self.createImg(test_img, self.secrets[0]);
|
|
self.openImageQmp("testdev", test_img, self.secrets[0])
|
|
|
|
# add key to slot 1
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[1])
|
|
|
|
# erase key from slot 0
|
|
self.eraseKeyQmp("testdev", old_secret = self.secrets[0])
|
|
|
|
# this will fail as the old password is no longer valid
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[2])
|
|
|
|
# this will work
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[2], secret = self.secrets[1])
|
|
|
|
# close and erase the image for good
|
|
self.closeImageQmp("testdev")
|
|
os.remove(test_img)
|
|
|
|
def testUseForceLuke(self):
|
|
|
|
self.createImg(test_img, self.secrets[0]);
|
|
self.openImageQmp("testdev", test_img, self.secrets[0])
|
|
|
|
# Add bunch of secrets
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[1], slot=4)
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[4], slot=2)
|
|
|
|
# overwrite an active secret
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[5], slot=2)
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[5], slot=2, force=True)
|
|
|
|
self.addKeyQmp("testdev", new_secret = self.secrets[0])
|
|
|
|
# Now erase all the secrets
|
|
self.eraseKeyQmp("testdev", old_secret = self.secrets[5])
|
|
self.eraseKeyQmp("testdev", slot=4)
|
|
|
|
# erase last keyslot
|
|
self.eraseKeyQmp("testdev", old_secret = self.secrets[0])
|
|
self.eraseKeyQmp("testdev", old_secret = self.secrets[0], force=True)
|
|
|
|
self.closeImageQmp("testdev")
|
|
os.remove(test_img)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
iotests.verify_working_luks()
|
|
# Encrypted formats support
|
|
iotests.activate_logging()
|
|
iotests.main(supported_fmts = ['qcow2', 'luks'])
|