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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:44:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:44:12 +0000 |
commit | 1be69c2c660b70ac2f4de2a5326e27e3e60eb82d (patch) | |
tree | bb299ab6f411f4fccd735907035de710e4ec6abc /tests/generators/generate-luks2-correct-full-json0.img.sh | |
parent | Initial commit. (diff) | |
download | cryptsetup-1be69c2c660b70ac2f4de2a5326e27e3e60eb82d.tar.xz cryptsetup-1be69c2c660b70ac2f4de2a5326e27e3e60eb82d.zip |
Adding upstream version 2:2.3.7.upstream/2%2.3.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/generators/generate-luks2-correct-full-json0.img.sh')
-rwxr-xr-x | tests/generators/generate-luks2-correct-full-json0.img.sh | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-correct-full-json0.img.sh b/tests/generators/generate-luks2-correct-full-json0.img.sh new file mode 100755 index 0000000..f32f84b --- /dev/null +++ b/tests/generators/generate-luks2-correct-full-json0.img.sh @@ -0,0 +1,87 @@ +#!/bin/bash + +. lib.sh + +# +# *** Description *** +# +# generate header with correct json of maximal size in primary slot. +# Secondary header is broken on purpose. +# + +# $1 full target dir +# $2 full source luks2 image + +PATTERN="\"config\":{" +KEY="\"config_key\":\"" + +function prepare() +{ + cp $SRC_IMG $TGT_IMG + test -d $TMPDIR || mkdir $TMPDIR + read_luks2_json0 $TGT_IMG $TMPDIR/json0 + read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0 + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1 +} + +function generate() +{ + read -r json_str < $TMPDIR/json0 + json_len=${#json_str} + pindex=$(strindex $json_str $PATTERN) + test $pindex -gt 0 || exit 2 + + offset=${#PATTERN} + offset=$((offset+pindex)) + key_len=${#KEY} + remain=$((LUKS2_JSON_SIZE*512-json_len-key_len-2)) # -2: closing '"' and terminating '\0' + if [ ${json_str:offset:1} = "}" ]; then + format_str="%s%s%s" + else + format_str="%s%s,%s" + remain=$((remain-1)) # also count with separating ',' + fi + test $remain -gt 0 || exit 2 + + fill=$(repeat_str "X" $remain)"\"" + + printf $format_str $KEY $fill ${json_str:$offset} | _dd of=$TMPDIR/json0 bs=1 seek=$offset conv=notrunc + + merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0 + erase_checksum $TMPDIR/area0 + chks0=$(calc_sha256_checksum_file $TMPDIR/area0) + write_checksum $chks0 $TMPDIR/area0 + write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG + kill_bin_hdr $TMPDIR/hdr1 + write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG +} + +function check() +{ + read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1 + local str_res1=$(head -c 6 $TMPDIR/hdr_res1) + test "$str_res1" = "VACUUM" || exit 2 + + read_luks2_json0 $TGT_IMG $TMPDIR/json_res0 + chks_res0=$(read_sha256_checksum $TGT_IMG) + test "$chks0" = "$chks_res0" || exit 2 + #json_str_res0=$(< $TMPDIR/json_res0) + read -r json_str_res0 < $TMPDIR/json_res0 + test ${#json_str_res0} -eq $((LUKS2_JSON_SIZE*512-1)) || exit 2 +} + +function cleanup() +{ + rm -f $TMPDIR/* + rm -fd $TMPDIR +} + +test $# -eq 2 || exit 1 + +TGT_IMG=$1/$(test_img_name $0) +SRC_IMG=$2 + +prepare +generate +check +cleanup |