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angie-conv-image/extra-scripts/certifi-extras.sh

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2024-07-11 13:37:35 +03:00
#!/bin/sh
set -ef
certifi_uri="https://raw.githubusercontent.com/certifi/python-certifi/${CERTIFI_COMMIT:?}/certifi/cacert.pem"
dst_dir=/usr/local/share/ca-certificates
w=$(mktemp -d) ; : "${w:?}"
curl -sSL "${certifi_uri}" > "$w/cacert.pem"
def_bundle=/etc/ssl/certs/ca-certificates.crt
bundle_offsets() {
grep -Fhne '-----END CERTIFICATE-----' "$1" | cut -d : -f 1 \
| {
s=1 ; while read -r e ; do
[ -n "$e" ] || continue
echo "$s,$e"
s=$((e+1))
done
}
}
set +e
bundle_offsets "${def_bundle}" > "$w/offsets.0"
bundle_offsets "$w/cacert.pem" > "$w/offsets.1"
set -e
bundle_fingerprints() {
while read -r a ; do
[ -n "$a" ] || continue
sed -ne "${a}p" "$1" | openssl x509 -noout -fingerprint
done < "$2"
}
set +e
bundle_fingerprints "${def_bundle}" "$w/offsets.0" > "$w/fingerprints.0"
bundle_fingerprints "$w/cacert.pem" "$w/offsets.1" > "$w/fingerprints.1"
set -e
set +e
grep -Fxv -f "$w/fingerprints.0" "$w/fingerprints.1" > "$w/fingerprints.diff"
set -e
if [ -s "$w/fingerprints.diff" ] ; then
set +e
grep -Fxn -f "$w/fingerprints.diff" "$w/fingerprints.1" | cut -d : -f 1 > "$w/records.diff"
set -e
terse_fingerprint() {
cut -d = -f 2- | tr '[:upper:]' '[:lower:]' | tr -cd '[:alnum:]'
}
mkdir "$w/extras"
while read -r n ; do
[ -n "$n" ] || continue
fp=$(sed -ne "${n}p" "$w/fingerprints.1" | terse_fingerprint)
off=$(sed -ne "${n}p" "$w/offsets.1")
sed -ne "${off}p" "$w/cacert.pem" | openssl x509 > "${dst_dir}/certifi-${fp}.crt"
done < "$w/records.diff"
fi
rm -rf "$w"
update-ca-certificates --fresh