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lxc-alpine: use SHA256 signature if available

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to verify apk.static

Signed-off-by: Kaarle Ritvanen <kunkku@alpinelinux.org>
This commit is contained in:
Kaarle Ritvanen 2024-12-10 16:04:39 +02:00
parent 4908667cc3
commit f78b226009
1 changed files with 13 additions and 4 deletions
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17
templates/lxc-alpine.in
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@ -203,6 +203,10 @@ fetch_apk_keys() {
cd - >/dev/null cd - >/dev/null
} }
find_keyfile() {
ls -1 "$1".alpine-*.pub 2>/dev/null | head -n 1
}
fetch_apk_static() { fetch_apk_static() {
local dest="$1" local dest="$1"
local arch="$2" local arch="$2"
@ -222,10 +226,15 @@ fetch_apk_static() {
local apk=$dest/sbin/apk.static local apk=$dest/sbin/apk.static
[ -s "$apk" ] || die 2 'apk.static not found' [ -s "$apk" ] || die 2 'apk.static not found'
local sigprefix=$apk.SIGN.RSA. local sigprefix=$apk.SIGN.RSA.sha256
local keyfile=$(ls -1 "$sigprefix"alpine-*.pub 2>/dev/null | head -n 1) local algorithm=sha256
if ! openssl dgst -sha1 \ if ! [ -s "$(find_keyfile "$sigprefix")" ]; then
-verify "$APK_KEYS_DIR/${keyfile#$sigprefix}" \ sigprefix=${sigprefix%.*}
algorithm=sha1
fi
local keyfile=$(find_keyfile "$sigprefix")
if ! openssl dgst -$algorithm \
-verify "$APK_KEYS_DIR/${keyfile#$sigprefix.}" \
-signature "$keyfile" \ -signature "$keyfile" \
"$apk"; then "$apk"; then