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#!/bin/bash
# Copyright 2010-2015 Gentoo Authors; Distributed under the GPL v2
# might be earlier copyright, no history available
# Keep this variable in sync in both sign-autobuilds.sh & sync-autobuilds.sh
_ARCHES="alpha amd64 arm64 arm hppa ia64 loong m68k mips ppc riscv s390 sh sparc x86"
#alpha amd64 arm64 arm hppa ia64 loong m68k mips ppc riscv s390 sh sparc x86
ARCHES=${ARCHES:-${_ARCHES}}
RELEASES=/var/tmp/gmirror-releases/releases/
[[ $HOSTNAME == TODO ]] && RELEASES=/var/tmp/gmirror/releases/
: "${DEBUG:=''}"
: "${VERBOSE=''}"
GPG=(gpg --homedir /home/gmirror/.gnupg-releng/ --batch --no-tty)
# Do not change
DEBUGP=
VERBOSEP=false
[ -n "$DEBUG" ] && DEBUGP='echo'
[ -n "$VERBOSE" ] && VERBOSEP=''
[ -n "$DEBUG" ] && RSYNC_OPTS="${RSYNC_OPTS} -n"
[ -n "$VERBOSE" ] && RSYNC_OPTS="${RSYNC_OPTS} -v"
# needs more debugging
# set -e
signone() {
f="$1"
$DEBUGP "${GPG[@]}" --armor --detach-sign "${f}"
}
signone_clearsign() {
# only for text files!
f="$1"
d=".${1}.asc.tmp"
rm -f "$d"
# Clearsign aborts if the destfile exists
$DEBUGP "${GPG[@]}" --armor --clearsign --output "$d" "${f}"
$DEBUGP mv "${d}" "${f}"
}
cleanup() {
# A sync mismatch means these seem like bad signatures due to different CDN
# cache times.
# [TXT] latest-install-alpha-minimal.txt 2023-10-09 03:00 116
# [TXT] latest-install-alpha-minimal.txt.asc 2023-10-09 00:21 488
#
# Using a clearsign in a seperate file doesn't help here either, because it
# can still be out of date compared to the underlying file.
# It must be exactly 1 file, clearsigned.
find autobuilds \
-type f \
-name 'latest*txt.asc' \
-exec grep -L -e '^-----BEGIN PGP SIGNED MESSAGE-----$' \{\} \+ \
| tr '\n' '\0' \
| xargs -0 --no-run-if-empty rm -f
}
gpgconf --kill all
for a in $ARCHES ; do
cd "$RELEASES/$a" >/dev/null || continue
[[ -d autobuilds ]] || continue
#echo "Release files:"
# 2023/10/08: Unknown if the latest files are consumed by any machine-readable
# process that would break if the changed into being clearsigned, so use a
# detached signature for now.
find_files_cmd=(
find autobuilds
-type f
'('
-false
-or -name '*.tar.xz'
-or -name '*.tar.bz2' # old builds
-or -name '*.tar.gz' # old builds
-or -name '*.tar.zst' # future builds?
-or -name '*.tar.zstd' # future builds?
-or -name '*.iso'
-or -name '*.tar.bz2'
# hppa netboot
-or -name '*.lif'
# s390 netboot
-or -name 'netboot*T[0-9][0-9][0-9][0-9][0-9][0-9]Z'
')'
)
find_sigs_cmd=(
find autobuilds
-type f
'('
-false
-or -name '*.asc'
')'
)
find_unsigned_helper_cmd=(
find autobuilds
-type f
\(
-false
# Gentoo format digest files.
-or -name '*.DIGESTS'
# .sha256 files exist to support the OpenStack builder process
-or -name '*.sha256'
# marker files to declare latest builds.
-or -name 'latest*txt'
\)
-exec grep -L -e '^-----BEGIN PGP SIGNED MESSAGE-----$' \{\} \+
)
files="$( "${find_files_cmd[@]}" )"
sigs="$( "${find_sigs_cmd[@]}" )"
unsigned="$(comm -23 <(echo "$files" |sort) <(echo "$sigs" | sed -e 's,.asc$,,g' |sort))"
#$VERBOSEP echo "=== ARCH: $a"
for dgst in $unsigned ; do
if [ ! -f ${dgst}.asc ]; then
$VERBOSEP echo "Signing $dgst"
signone $dgst
fi
done
for dgst in ${sigs}; do
dgst=${dgst%.asc}
if [ -f ${dgst}.asc -a ${dgst} -nt ${dgst}.asc ]; then
$VERBOSEP echo "Resigning $dgst"
rm -f ${dgst}.asc
signone $dgst
fi
done
#echo "Text helper files:"
unsigned="$( "${find_unsigned_helper_cmd[@]}" )"
for dgst in $unsigned ; do
$VERBOSEP echo "Signing (inline/cleartext) $dgst"
signone_clearsign $dgst
done
cleanup
done
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