blob: c80851e8120e9217c4a24ed60fbc1a88aaf4854a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#!/bin/sh
#
# Helper script for generating dbx entries for the Debian shim package
#
# GPL v2+
#
# Copyright 2020- Steve McIntyre <93sam@debian.org>
REASON=""
usage () {
echo "$0 <options> <deb1> ... <debN>"
echo
echo "generate hashes for the signed binaries in deb file(s) in"
echo "the correct format to go in the dbx.hashes file"
echo
echo " -r <reason> - the reason for the blacklisting, required for dbx"
echo
echo "and a list of .deb files to scan"
}
while getopts ":r:" o; do
case "${o}" in
r)
REASON=${OPTARG}
;;
*)
echo "Unknown option ${o}"
usage
exit 1
;;
esac
done
shift $((OPTIND-1))
if [ "$REASON"x = ""x ]; then
echo "$0: Needs a reason to be specified"
echo
usage
exit 1
fi
for DEB in $@; do
DIR=$(mktemp -d)
if [ -f $DEB ]; then
BASEDEB=$(basename $DEB)
echo "###############################"
echo "# Files from $BASEDEB"
echo "# ($REASON)"
dpkg -x $DEB $DIR
for EFI in $(find $DIR -name *.signed); do
BASE=$(basename $EFI)
case $BASE in
*aa64*efi.signed)
EFIARCH=aa64;;
*x64*efi.signed)
EFIARCH=x64;;
*ia32*efi.signed)
EFIARCH=ia32;;
*)
echo "Can't determine EFI arch from $BASE. Abort"
exit 1
;;
esac
echo "# $BASE"
HASH=$(pesign --hash --padding --in $EFI | awk '{print $2}')
echo "$HASH $EFIARCH"
done
echo "###############################"
echo
fi
rm -rf $DIR
done
|
