mirror of
https://gitlab.alpinelinux.org/alpine/abuild.git
synced 2024-12-25 00:12:19 +00:00
118 lines
2.6 KiB
Bash
118 lines
2.6 KiB
Bash
#!/bin/sh
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# abuild-sign - sign indexes
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# Copyright (c) 2009 Natanael Copa <ncopa@alpinelinux.org>
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#
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# Distributed under GPL-2.0-only
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#
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program_version=@VERSION@
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sharedir=${ABUILD_SHAREDIR:-@sharedir@}
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if ! [ -f "$sharedir/functions.sh" ]; then
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echo "$sharedir/functions.sh: not found" >&2
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exit 1
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fi
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. "$sharedir/functions.sh"
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gzip=$(command -v pigz || echo gzip)
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do_sign() {
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local f i keyname repo
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local openssl=$(command -v openssl || echo libressl)
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# we are actually only interested in the name, not the file itself
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keyname=${pubkey##*/}
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for f; do
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i=$(readlink -f $f)
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[ -d "$i" ] && i="$i/APKINDEX.tar.gz"
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repo="${i%/*}"
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trap 'die "failed to sign $i"' EXIT
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set -e
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cd "$repo"
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sig=".SIGN.RSA.$keyname"
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$openssl dgst -sha1 -sign "$privkey" -out "$sig" "$i"
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if [ -n "$SOURCE_DATE_EPOCH" ]; then
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touch -h -d "@$SOURCE_DATE_EPOCH" "$sig"
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fi
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tmptargz=$(mktemp)
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tar --owner=0 --group=0 --numeric-owner -f - -c "$sig" | abuild-tar --cut | $gzip -n -9 > "$tmptargz"
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tmpsigned=$(mktemp)
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cat "$tmptargz" "$i" > "$tmpsigned"
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rm -f "$tmptargz" "$sig"
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chmod 644 "$tmpsigned"
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mv "$tmpsigned" "$i"
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msg "Signed $i"
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set +e
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trap - EXIT
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done
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}
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usage() {
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cat >&2 <<-__EOF__
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$program $program_version - sign indexes
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Usage: $program [-k PRIVKEY] [-p PUBKEY] INDEXFILE...
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$program -e
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Options:
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-e, --installed Check only of there exist a private key for signing
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-k, --private KEY The private key to use for signing
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-p, --public KEY The name of public key. apk add will look for
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/etc/apk/keys/KEY
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-q, --quiet
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-h, --help Show this help
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__EOF__
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}
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check_installed=false
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privkey="$PACKAGER_PRIVKEY"
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pubkey=
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quiet=
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args=$(getopt -o ek:p:qh --long installed,private:,public:,quiet,help -n "$program" -- "$@")
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if [ $? -ne 0 ]; then
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usage
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exit 2
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fi
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eval set -- "$args"
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while true; do
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case $1 in
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-e|--installed) check_installed=true;;
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-k|--private) privkey=$2; shift;;
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-p|--public) pubkey=$2; shift;;
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-q|--quiet) quiet=1;; # suppresses msg
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-h|--help) usage; exit;;
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--) shift; break;;
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*) exit 1;; # getopt error
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esac
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shift
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done
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if [ $# -eq 0 ] && ! $check_installed; then
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usage
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exit 2
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fi
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if [ -z "$privkey" ]; then
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cat >&2 <<-__EOF__
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No private key found. Use 'abuild-keygen' to generate the keys.
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Then you can either:
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* set the PACKAGER_PRIVKEY in $ABUILD_USERCONF
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('abuild-keygen -a' does this for you)
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* set the PACKAGER_PRIVKEY in $ABUILD_CONF
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* specify the key with the -k option to $program
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__EOF__
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exit 1
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fi
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if [ -z "$pubkey" ]; then
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pubkey=${PACKAGER_PUBKEY:-"${privkey}.pub"}
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fi
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if ! $check_installed; then
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do_sign "$@"
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fi
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