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+#!/usr/bin/env python3
+# group: rw auto
+#
+# Test detached LUKS header
+#
+# Copyright (C) 2024 SmartX Inc.
+#
+# Authors:
+# Hyman Huang <yong.huang@smartx.com>
+#
+# 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 os
+import iotests
+from iotests import imgfmt, qemu_img_create, img_info_log, qemu_img_info, QMPTestCase
+
+
+image_size = 128 * 1024 * 1024
+
+luks_img = os.path.join(iotests.test_dir, 'luks.img')
+detached_header_img1 = os.path.join(iotests.test_dir, 'detached_header.img1')
+detached_header_img2 = os.path.join(iotests.test_dir, 'detached_header.img2')
+detached_payload_raw_img = os.path.join(iotests.test_dir, 'detached_payload_raw.img')
+detached_payload_qcow2_img = os.path.join(iotests.test_dir, 'detached_payload_qcow2.img')
+
+secret_obj = 'secret,id=sec0,data=foo'
+luks_opts = 'key-secret=sec0'
+
+
+class TestDetachedLUKSHeader(QMPTestCase):
+ def setUp(self) -> None:
+ self.vm = iotests.VM()
+ self.vm.add_object(secret_obj)
+ self.vm.launch()
+
+ # 1. Create the normal LUKS disk with 128M size
+ self.vm.blockdev_create({ 'driver': 'file',
+ 'filename': luks_img,
+ 'size': 0 })
+ self.vm.qmp_log('blockdev-add', driver='file', filename=luks_img,
+ node_name='luks-1-storage')
+ result = self.vm.blockdev_create({ 'driver': imgfmt,
+ 'file': 'luks-1-storage',
+ 'key-secret': 'sec0',
+ 'size': image_size,
+ 'iter-time': 10 })
+ # None is expected
+ self.assertEqual(result, None)
+
+ # 2. Create the LUKS disk with detached header (raw)
+
+ # Create detached LUKS header
+ self.vm.blockdev_create({ 'driver': 'file',
+ 'filename': detached_header_img1,
+ 'size': 0 })
+ self.vm.qmp_log('blockdev-add', driver='file', filename=detached_header_img1,
+ node_name='luks-2-header-storage')
+
+ # Create detached LUKS raw payload
+ self.vm.blockdev_create({ 'driver': 'file',
+ 'filename': detached_payload_raw_img,
+ 'size': 0 })
+ self.vm.qmp_log('blockdev-add', driver='file',
+ filename=detached_payload_raw_img,
+ node_name='luks-2-payload-storage')
+
+ # Format LUKS disk with detached header
+ result = self.vm.blockdev_create({ 'driver': imgfmt,
+ 'header': 'luks-2-header-storage',
+ 'file': 'luks-2-payload-storage',
+ 'key-secret': 'sec0',
+ 'preallocation': 'full',
+ 'size': image_size,
+ 'iter-time': 10 })
+ self.assertEqual(result, None)
+
+ self.vm.shutdown()
+
+ # 3. Create the LUKS disk with detached header (qcow2)
+
+ # Create detached LUKS header using qemu-img
+ res = qemu_img_create('-f', 'luks', '--object', secret_obj, '-o', luks_opts,
+ '-o', "detached-mode=true", detached_header_img2)
+ assert res.returncode == 0
+
+ # Create detached LUKS qcow2 payload
+ res = qemu_img_create('-f', 'qcow2', detached_payload_qcow2_img, str(image_size))
+ assert res.returncode == 0
+
+ def tearDown(self) -> None:
+ os.remove(luks_img)
+ os.remove(detached_header_img1)
+ os.remove(detached_header_img2)
+ os.remove(detached_payload_raw_img)
+ os.remove(detached_payload_qcow2_img)
+
+ # Check if there was any qemu-io run that failed
+ if 'Pattern verification failed' in self.vm.get_log():
+ print('ERROR: Pattern verification failed:')
+ print(self.vm.get_log())
+ self.fail('qemu-io pattern verification failed')
+
+ def test_img_creation(self) -> None:
+ # Check if the images created above are expected
+
+ data = qemu_img_info(luks_img)['format-specific']
+ self.assertEqual(data['type'], imgfmt)
+ self.assertEqual(data['data']['detached-header'], False)
+
+ data = qemu_img_info(detached_header_img1)['format-specific']
+ self.assertEqual(data['type'], imgfmt)
+ self.assertEqual(data['data']['detached-header'], True)
+
+ data = qemu_img_info(detached_header_img2)['format-specific']
+ self.assertEqual(data['type'], imgfmt)
+ self.assertEqual(data['data']['detached-header'], True)
+
+ # Check if preallocation works
+ size = qemu_img_info(detached_payload_raw_img)['actual-size']
+ self.assertGreaterEqual(size, image_size)
+
+ def test_detached_luks_header(self) -> None:
+ self.vm.launch()
+
+ # 1. Add the disk created above
+
+ # Add normal LUKS disk
+ self.vm.qmp_log('blockdev-add', driver='file', filename=luks_img,
+ node_name='luks-1-storage')
+ result = self.vm.qmp_log('blockdev-add', driver='luks', file='luks-1-storage',
+ key_secret='sec0', node_name='luks-1-format')
+
+ # Expected result{ "return": {} }
+ self.assert_qmp(result, 'return', {})
+
+ # Add detached LUKS header with raw payload
+ self.vm.qmp_log('blockdev-add', driver='file', filename=detached_header_img1,
+ node_name='luks-header1-storage')
+
+ self.vm.qmp_log('blockdev-add', driver='file', filename=detached_payload_raw_img,
+ node_name='luks-2-payload-raw-storage')
+
+ result = self.vm.qmp_log('blockdev-add', driver=imgfmt,
+ header='luks-header1-storage',
+ file='luks-2-payload-raw-storage',
+ key_secret='sec0',
+ node_name='luks-2-payload-raw-format')
+ self.assert_qmp(result, 'return', {})
+
+ # Add detached LUKS header with qcow2 payload
+ self.vm.qmp_log('blockdev-add', driver='file', filename=detached_header_img2,
+ node_name='luks-header2-storage')
+
+ self.vm.qmp_log('blockdev-add', driver='file', filename=detached_payload_qcow2_img,
+ node_name='luks-3-payload-qcow2-storage')
+
+ result = self.vm.qmp_log('blockdev-add', driver=imgfmt,
+ header='luks-header2-storage',
+ file='luks-3-payload-qcow2-storage',
+ key_secret='sec0',
+ node_name='luks-3-payload-qcow2-format')
+ self.assert_qmp(result, 'return', {})
+
+ # 2. Do I/O test
+
+ # Do some I/O to the image to see whether it still works
+ # (Pattern verification will be checked by tearDown())
+
+ # Normal LUKS disk
+ result = self.vm.qmp_log('human-monitor-command',
+ command_line='qemu-io luks-1-format "write -P 40 0 64k"')
+ self.assert_qmp(result, 'return', '')
+
+ result = self.vm.qmp_log('human-monitor-command',
+ command_line='qemu-io luks-1-format "read -P 40 0 64k"')
+ self.assert_qmp(result, 'return', '')
+
+ # Detached LUKS header with raw payload
+ result = self.vm.qmp('human-monitor-command',
+ command_line='qemu-io luks-2-payload-raw-format "write -P 41 0 64k"')
+ self.assert_qmp(result, 'return', '')
+
+ result = self.vm.qmp('human-monitor-command',
+ command_line='qemu-io luks-2-payload-raw-format "read -P 41 0 64k"')
+ self.assert_qmp(result, 'return', '')
+
+ # Detached LUKS header with qcow2 payload
+ result = self.vm.qmp('human-monitor-command',
+ command_line='qemu-io luks-3-payload-qcow2-format "write -P 42 0 64k"')
+ self.assert_qmp(result, 'return', '')
+
+ result = self.vm.qmp('human-monitor-command',
+ command_line='qemu-io luks-3-payload-qcow2-format "read -P 42 0 64k"')
+ self.assert_qmp(result, 'return', '')
+
+ self.vm.shutdown()
+
+
+if __name__ == '__main__':
+ # Test image creation and I/O
+ iotests.main(supported_fmts=['luks'],
+ supported_protocols=['file'])
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+..
+----------------------------------------------------------------------
+Ran 2 tests
+
+OK
Signed-off-by: Hyman Huang <yong.huang@smartx.com> --- tests/qemu-iotests/tests/luks-detached-header | 214 ++++++++++++++++++ .../tests/luks-detached-header.out | 5 + 2 files changed, 219 insertions(+) create mode 100755 tests/qemu-iotests/tests/luks-detached-header create mode 100644 tests/qemu-iotests/tests/luks-detached-header.out