tests/generators/generate-luks2-invalid-checksum-hdr1.img.sh

   1 #!/bin/bash
   2
   3 . lib.sh
   4
   5 #
   6 # *** Description ***
   7 #
   8 # generate header with bad checksum in secondary binary header
   9 #
  10
  11 # $1 full target dir
  12 # $2 full source luks2 image
  13
  14 function prepare()
  15 {
  16         cp $SRC_IMG $TGT_IMG
  17         test -d $TMPDIR || mkdir $TMPDIR
  18         read_luks2_bin_hdr1 $TGT_IMG $TMPDIR/hdr1
  19 }
  20
  21 function generate()
  22 {
  23         chks=$(echo "Arbitrary chosen string: D'oh!" | calc_sha256_checksum_stdin)
  24         write_checksum $chks $TMPDIR/hdr1
  25         write_luks2_bin_hdr1 $TMPDIR/hdr1 $TGT_IMG
  26 }
  27
  28 function check()
  29 {
  30         chks_res=$(read_sha256_checksum $TMPDIR/hdr1)
  31         test "$chks" = "$chks_res" || exit 2
  32 }
  33
  34 function cleanup()
  35 {
  36         rm -f $TMPDIR/*
  37         rm -fd $TMPDIR
  38 }
  39
  40 test $# -eq 2 || exit 1
  41
  42 TGT_IMG=$1/$(test_img_name $0)
  43 SRC_IMG=$2
  44
  45 prepare
  46 generate
  47 check
  48 cleanup