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

109 (4228B)


      1#!/usr/bin/env bash
      2# group: rw
      3#
      4# Test writing image headers of other formats into raw images
      5#
      6# Copyright (C) 2014 Red Hat, Inc.
      7#
      8# This program is free software; you can redistribute it and/or modify
      9# it under the terms of the GNU General Public License as published by
     10# the Free Software Foundation; either version 2 of the License, or
     11# (at your option) any later version.
     12#
     13# This program is distributed in the hope that it will be useful,
     14# but WITHOUT ANY WARRANTY; without even the implied warranty of
     15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16# GNU General Public License for more details.
     17#
     18# You should have received a copy of the GNU General Public License
     19# along with this program.  If not, see <http://www.gnu.org/licenses/>.
     20#
     21
     22# creator
     23owner=kwolf@redhat.com
     24
     25seq="$(basename $0)"
     26echo "QA output created by $seq"
     27
     28status=1	# failure is the default!
     29
     30_cleanup()
     31{
     32    _cleanup_qemu
     33    _rm_test_img "$TEST_IMG.src"
     34    _cleanup_test_img
     35}
     36trap "_cleanup; exit \$status" 0 1 2 3 15
     37
     38# get standard environment, filters and checks
     39. ./common.rc
     40. ./common.filter
     41. ./common.qemu
     42
     43_supported_fmt raw
     44_supported_proto file
     45_supported_os Linux
     46_require_drivers qcow qcow2 qed vdi vmdk vpc
     47
     48qemu_comm_method=qmp
     49
     50run_qemu()
     51{
     52    local raw_img="$1"
     53    local source_img="$2"
     54    local qmp_format="$3"
     55    local qmp_event="$4"
     56
     57    _launch_qemu -drive file="${source_img}",format=raw,cache=${CACHEMODE},aio=${AIOMODE},id=src
     58    _send_qemu_cmd $QEMU_HANDLE "{ 'execute': 'qmp_capabilities' }" "return"
     59
     60    _send_qemu_cmd $QEMU_HANDLE \
     61        "{'execute':'drive-mirror', 'arguments':{
     62            'device': 'src', 'target': '$raw_img', $qmp_format
     63            'mode': 'existing', 'sync': 'full'}}" \
     64        "return"
     65
     66    _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
     67    if test "$qmp_event" = BLOCK_JOB_ERROR; then
     68        _send_qemu_cmd $QEMU_HANDLE '' '"status": "null"'
     69    fi
     70    _send_qemu_cmd $QEMU_HANDLE '{"execute":"query-block-jobs"}' "return"
     71    _send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' "return"
     72    wait=1 _cleanup_qemu
     73}
     74
     75for fmt in qcow qcow2 qed vdi vmdk vpc; do
     76
     77    echo
     78    echo "=== Writing a $fmt header into raw ==="
     79    echo
     80
     81    TEST_IMG="$TEST_IMG.src" IMGFMT=$fmt _make_test_img 64M
     82    _make_test_img $(du -b "$TEST_IMG.src" | cut -f1) | _filter_img_create_size
     83
     84    # This first test should fail: The image format was probed, we may not
     85    # write an image header at the start of the image
     86    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" |
     87        _filter_block_job_len
     88    $QEMU_IO -c 'read -P 0 0 512' "$TEST_IMG" | _filter_qemu_io
     89
     90
     91    # When raw was explicitly specified, the same must succeed
     92    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
     93    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
     94
     95done
     96
     97
     98for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
     99                  simple-pattern.cloop; do
    100
    101    echo
    102    echo "=== Copying sample image $sample_img into raw ==="
    103    echo
    104
    105    # Can't use _use_sample_img because that isn't designed to be used multiple
    106    # times and it overwrites $TEST_IMG (both breaks cleanup)
    107    bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
    108    _make_test_img $(du -b "$TEST_IMG.src" | cut -f1) | _filter_img_create_size
    109
    110    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" |
    111        _filter_block_job_offset | _filter_block_job_len
    112    $QEMU_IO -c 'read -P 0 0 512' "$TEST_IMG" | _filter_qemu_io
    113
    114    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
    115    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
    116done
    117
    118echo
    119echo "=== Write legitimate MBR into raw ==="
    120echo
    121
    122for sample_img in grub_mbr.raw; do
    123    bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
    124    _make_test_img $(du -b "$TEST_IMG.src" | cut -f1) | _filter_img_create_size
    125
    126    run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_READY"
    127    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
    128
    129    run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
    130    $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
    131done
    132
    133
    134# success, all done
    135echo '*** done'
    136rm -f $seq.full
    137status=0