mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
114 lines
3.3 KiB
Bash
Executable File
114 lines
3.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright 2018 Google LLC
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#
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# FS QA Test generic/575
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#
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# Test that fs-verity is using the correct measurement values. This test
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# verifies that fs-verity is doing its Merkle tree-based hashing correctly,
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# i.e. that it hasn't been broken by a change.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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_restore_fsverity_signatures
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/verity
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs generic
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_require_scratch_verity
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if [ $FSV_BLOCK_SIZE != 4096 ]; then
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_notrun "4096-byte verity block size not supported on this platform"
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fi
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_disable_fsverity_signatures
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_scratch_mkfs_verity &>> $seqres.full
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_scratch_mount
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fsv_orig_file=$SCRATCH_MNT/file
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fsv_file=$SCRATCH_MNT/file.fsv
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algs=(sha256 sha512)
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# Try files with 0, 1, and multiple Merkle tree levels.
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file_sizes=(0 4096 65536 65536 100000000)
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# Try both unsalted and salted, and check that empty salt is the same as no salt
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salts=('' '' '' '--salt=' '--salt=f3c93fa6fb828c0e1587e5714ecf6f56')
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# The expected file measurements are here rather than in the expected output
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# file because not all hash algorithms may be available.
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sha256_vals=(
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sha256:3d248ca542a24fc62d1c43b916eae5016878e2533c88238480b26128a1f1af95
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sha256:babc284ee4ffe7f449377fbf6692715b43aec7bc39c094a95878904d34bac97e
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sha256:011e3f2b1dc89b75d78cddcc2a1b85cd8a64b2883e5f20f277ae4c0617e0404f
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sha256:011e3f2b1dc89b75d78cddcc2a1b85cd8a64b2883e5f20f277ae4c0617e0404f
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sha256:9d33cab743468fcbe4edab91a275b30dd543c12dd5e6ce6f2f737f66a1558f06
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)
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sha512_vals=(
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sha512:ccf9e5aea1c2a64efa2f2354a6024b90dffde6bbc017825045dce374474e13d10adb9dadcc6ca8e17a3c075fbd31336e8f266ae6fa93a6c3bed66f9e784e5abf
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sha512:928922686c4caf32175f5236a7f964e9925d10a74dc6d8344a8bd08b23c228ff5792573987d7895f628f39c4f4ebe39a7367d7aeb16aaa0cd324ac1d53664e61
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sha512:eab7224ce374a0a4babcb2db25e24836247f38b87806ad9be9e5ba4daac2f5b814fc0cbdfd9f1f8499b3c9a6c1b38fe08974cce49883ab4ccd04462fd2f9507f
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sha512:eab7224ce374a0a4babcb2db25e24836247f38b87806ad9be9e5ba4daac2f5b814fc0cbdfd9f1f8499b3c9a6c1b38fe08974cce49883ab4ccd04462fd2f9507f
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sha512:f7083a38644880d25539488313e9e5b41a4d431a0e383945129ad2c36e3c1d0f28928a424641bb1363c12b6e770578102566acea73baf1ce8ee15336f5ba2446
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)
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test_alg()
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{
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local alg=$1
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local -n vals=${alg}_vals
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local i
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local file_size
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local expected actual salt_arg
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_fsv_scratch_begin_subtest "Check for expected measurement values ($alg)"
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if ! _fsv_have_hash_algorithm $alg $fsv_file; then
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if [ "$alg" = sha256 ]; then
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_fail "Something is wrong - sha256 hash should always be available"
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fi
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return 0
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fi
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for i in ${!file_sizes[@]}; do
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file_size=${file_sizes[$i]}
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expected=${vals[$i]}
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salt_arg=${salts[$i]}
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head -c $file_size /dev/zero > $fsv_orig_file
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cp $fsv_orig_file $fsv_file
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_fsv_enable --hash-alg=$alg $salt_arg $fsv_file
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actual=$(_fsv_measure $fsv_file)
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if [ "$actual" != "$expected" ]; then
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echo "Mismatch: expected $expected, kernel calculated $actual (file_size=$file_size)"
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fi
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cmp $fsv_orig_file $fsv_file
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rm -f $fsv_file
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done
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}
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for alg in ${algs[@]}; do
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test_alg $alg
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done
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# success, all done
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status=0
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exit
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