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Member "cryptsetup-2.4.3/tests/generators/generate-luks2-keyslot-missing-digest.img.sh" (24 Jul 2021, 1656 Bytes) of package /linux/misc/cryptsetup-2.4.3.tar.xz:

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    1 #!/bin/bash
    2 
    3 . lib.sh
    4 
    5 #
    6 # *** Description ***
    7 #
    8 # generate primary header with luks2 keyslot not assigned
    9 # to any digest.
   10 #
   11 # secondary header is corrupted on purpose as well
   12 #
   13 
   14 # $1 full target dir
   15 # $2 full source luks2 image
   16 
   17 function prepare()
   18 {
   19     cp $SRC_IMG $TGT_IMG
   20     test -d $TMPDIR || mkdir $TMPDIR
   21     read_luks2_json0 $TGT_IMG $TMPDIR/json0
   22     read_luks2_bin_hdr0 $TGT_IMG $TMPDIR/hdr0
   23     read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
   24 }
   25 
   26 function generate()
   27 {
   28     read -r json_str_orig < $TMPDIR/json0
   29     arr_len=$(jq -c -M '.digests."0".keyslots | length' $TMPDIR/json0)
   30     # remove first element from digests."0".keyslots array
   31     json_str=$(jq -r -c -M 'del(.digests."0".keyslots[0])' $TMPDIR/json0)
   32     test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
   33 
   34     write_luks2_json "$json_str" $TMPDIR/json0
   35 
   36     merge_bin_hdr_with_json $TMPDIR/hdr0 $TMPDIR/json0 $TMPDIR/area0
   37     erase_checksum $TMPDIR/area0
   38     chks0=$(calc_sha256_checksum_file $TMPDIR/area0)
   39     write_checksum $chks0 $TMPDIR/area0
   40     write_luks2_hdr0 $TMPDIR/area0 $TGT_IMG
   41     kill_bin_hdr $TMPDIR/hdr1
   42     write_luks2_hdr1 $TMPDIR/hdr1 $TGT_IMG
   43 }
   44 
   45 function check()
   46 {
   47     read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr_res1
   48     local str_res1=$(head -c 6 $TMPDIR/hdr_res1)
   49     test "$str_res1" = "VACUUM" || exit 2
   50 
   51     read_luks2_json0 $TGT_IMG $TMPDIR/json_res0
   52     chks_res0=$(read_sha256_checksum $TGT_IMG)
   53     test "$chks0" = "$chks_res0" || exit 2
   54     new_arr_len=$(jq -c -M '.digests."0".keyslots | length' $TMPDIR/json_res0)
   55     test $((arr_len-1)) -eq $new_arr_len || exit 2
   56 }
   57 
   58 function cleanup()
   59 {
   60     rm -f $TMPDIR/*
   61     rm -fd $TMPDIR
   62 }
   63 
   64 test $# -eq 2 || exit 1
   65 
   66 TGT_IMG=$1/$(test_img_name $0)
   67 SRC_IMG=$2
   68 
   69 prepare
   70 generate
   71 check
   72 cleanup