cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

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      1#!/usr/bin/env python3
      2# group: rw
      3#
      4# Test luks and file image creation
      5#
      6# Copyright (C) 2018 Red Hat, Inc.
      7#
      8# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
      9#
     10# This program is free software; you can redistribute it and/or modify
     11# it under the terms of the GNU General Public License as published by
     12# the Free Software Foundation; either version 2 of the License, or
     13# (at your option) any later version.
     14#
     15# This program is distributed in the hope that it will be useful,
     16# but WITHOUT ANY WARRANTY; without even the implied warranty of
     17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     18# GNU General Public License for more details.
     19#
     20# You should have received a copy of the GNU General Public License
     21# along with this program.  If not, see <http://www.gnu.org/licenses/>.
     22#
     23
     24import iotests
     25from iotests import imgfmt
     26
     27iotests.script_initialize(
     28    supported_fmts=['luks'],
     29    supported_protocols=['file'],
     30)
     31
     32with iotests.FilePath('t.luks') as disk_path, \
     33     iotests.VM() as vm:
     34
     35    vm.add_object('secret,id=keysec0,data=foo')
     36
     37    #
     38    # Successful image creation (defaults)
     39    #
     40    iotests.log("=== Successful image creation (defaults) ===")
     41    iotests.log("")
     42
     43    size = 128 * 1024 * 1024
     44
     45    vm.launch()
     46    vm.blockdev_create({ 'driver': 'file',
     47                         'filename': disk_path,
     48                         'size': 0 })
     49
     50    vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
     51               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
     52
     53    vm.blockdev_create({ 'driver': imgfmt,
     54                         'file': 'imgfile',
     55                         'key-secret': 'keysec0',
     56                         'size': size,
     57                         'iter-time': 10 })
     58    vm.shutdown()
     59
     60    # TODO Proper support for images to be used with imgopts and/or protocols
     61    iotests.img_info_log(
     62        'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
     63        filter_path=disk_path,
     64        extra_args=['--object', 'secret,id=keysec0,data=foo'],
     65        imgopts=True)
     66
     67    #
     68    # Successful image creation (with non-default options)
     69    #
     70    iotests.log("=== Successful image creation (with non-default options) ===")
     71    iotests.log("")
     72
     73    size = 64 * 1024 * 1024
     74
     75    vm.launch()
     76    vm.blockdev_create({ 'driver': 'file',
     77                         'filename': disk_path,
     78                         'size': 0 })
     79    vm.blockdev_create({ 'driver': imgfmt,
     80                         'file': {
     81                             'driver': 'file',
     82                             'filename': disk_path,
     83                         },
     84                         'size': size,
     85                         'key-secret': 'keysec0',
     86                         'cipher-alg': 'twofish-128',
     87                         'cipher-mode': 'ctr',
     88                         'ivgen-alg': 'plain64',
     89                         'ivgen-hash-alg': 'md5',
     90                         'hash-alg': 'sha1',
     91                         'iter-time': 10 })
     92    vm.shutdown()
     93
     94    # TODO Proper support for images to be used with imgopts and/or protocols
     95    iotests.img_info_log(
     96        'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
     97        filter_path=disk_path,
     98        extra_args=['--object', 'secret,id=keysec0,data=foo'],
     99        imgopts=True)
    100
    101    #
    102    # Invalid BlockdevRef
    103    #
    104    iotests.log("=== Invalid BlockdevRef ===")
    105    iotests.log("")
    106
    107    size = 64 * 1024 * 1024
    108
    109    vm.launch()
    110    vm.blockdev_create({ 'driver': imgfmt,
    111                         'file': "this doesn't exist",
    112                         'size': size })
    113    vm.shutdown()
    114
    115    #
    116    # Zero size
    117    #
    118    iotests.log("=== Zero size ===")
    119    iotests.log("")
    120
    121    vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
    122    vm.launch()
    123    vm.blockdev_create({ 'driver': imgfmt,
    124                         'file': 'node0',
    125                         'key-secret': 'keysec0',
    126                         'size': 0,
    127                         'iter-time': 10 })
    128    vm.shutdown()
    129
    130    # TODO Proper support for images to be used with imgopts and/or protocols
    131    iotests.img_info_log(
    132        'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
    133        filter_path=disk_path,
    134        extra_args=['--object', 'secret,id=keysec0,data=foo'],
    135        imgopts=True)
    136
    137    #
    138    # Invalid sizes
    139    #
    140
    141    # TODO Negative image sizes aren't handled correctly, but this is a problem
    142    # with QAPI's implementation of the 'size' type and affects other commands as
    143    # well. Once this is fixed, we may want to add a test case here.
    144
    145    # 1. 2^64 - 512
    146    # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
    147    # 3. 2^63 - 512 (generally valid, but with the crypto header the file will
    148    #                exceed 63 bits)
    149    iotests.log("=== Invalid sizes ===")
    150    iotests.log("")
    151
    152    vm.launch()
    153    for size in [ 18446744073709551104, 9223372036854775808, 9223372036854775296 ]:
    154        vm.blockdev_create({ 'driver': imgfmt,
    155                             'file': 'node0',
    156                             'key-secret': 'keysec0',
    157                             'size': size })
    158    vm.shutdown()
    159
    160    #
    161    # Resize image with invalid sizes
    162    #
    163    iotests.log("=== Resize image with invalid sizes ===")
    164    iotests.log("")
    165
    166    vm.add_blockdev('driver=luks,file=node0,key-secret=keysec0,node-name=node1')
    167    vm.launch()
    168    vm.qmp_log('block_resize', node_name='node1', size=9223372036854775296)
    169    vm.qmp_log('block_resize', node_name='node1', size=9223372036854775808)
    170    vm.qmp_log('block_resize', node_name='node1', size=18446744073709551104)
    171    vm.qmp_log('block_resize', node_name='node1', size=-9223372036854775808)
    172    vm.shutdown()
    173
    174    # TODO Proper support for images to be used with imgopts and/or protocols
    175    iotests.img_info_log(
    176        'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
    177        filter_path=disk_path,
    178        extra_args=['--object', 'secret,id=keysec0,data=foo'],
    179        imgopts=True)