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|
#!/bin/sh -e
# SPDX-License-Identifier: GPL-2.0-only
# Copyright (c) 2019 Max Rees
program_version=@VERSION@
datadir=@datadir@
if ! [ -f "$datadir/functions.sh" ]; then
echo "$datadir/functions.sh: not found" >&2
exit 1
fi
. "$datadir/functions.sh"
msg() {
[ -n "$quiet" ] && return 0
local prompt="$GREEN>>>${NORMAL}"
local fake="${FAKEROOTKEY:+${BLUE}*${NORMAL}}"
local name="${STRONG}${apk_basename}${NORMAL}"
printf "${prompt} ${name}${fake}: %s\n" "$1" >&2
}
warning() {
local prompt="${YELLOW}>>> WARNING:${NORMAL}"
local fake="${FAKEROOTKEY:+${BLUE}*${NORMAL}}"
local name="${STRONG}${apk_basename}${NORMAL}"
printf "${prompt} ${name}${fake}: %s\n" "$1" >&2
}
error() {
local prompt="${RED}>>> ERROR:${NORMAL}"
local fake="${FAKEROOTKEY:+${BLUE}*${NORMAL}}"
local name="${STRONG}${apk_basename}${NORMAL}"
printf "${prompt} ${name}${fake}: %s\n" "$1" >&2
}
usage() {
cat <<-EOF
usage: ${0##*/} [options] APK [APK ...]
Options:
-i Re-sign APKs in-place
-k KEY The private key to use for signing
-n Update packager name
-p KEY The filename to use for the key (to match /etc/apk/keys)
-q Quiet
-h Show this help and exit
EOF
}
list_sigs() {
[ -n "$quiet" ] && return 0
tarball="$1"
# (msg2) >>>
tar -tf "$tarball" | grep '^\.SIGN\.' | sed 's/^/ /' >&2
}
privkey="$PACKAGER_PRIVKEY"
pubkey="$PACKAGER_PUBKEY"
while getopts ik:np:qh opt; do
case "$opt" in
i) inplace=1;;
k) privkey="$OPTARG";;
n) packager=1;;
p) pubkey="$OPTARG";;
q) quiet=1;;
*) usage
[ "$opt" = "h" ] && exit 0
exit 1;;
esac
done
shift $((OPTIND - 1))
if [ -z "$*" ]; then
usage
exit 1
fi
if [ -z "$privkey" ]; then
abuild-sign --installed
fi
pubkey="${pubkey:-"${privkey}.pub"}"
sig_new=".SIGN.RSA.${pubkey##*/}"
if [ -z "$FAKEROOTKEY" ]; then
warning 'Without fakeroot, your username/group will be leaked'
fi
startpwd="$PWD"
cleanup() {
cd "$startpwd"
rm -rf "$tmpdir"
}
trap cleanup INT EXIT
for apk; do
case "$apk" in
/*) ;;
*) apk="$PWD/$apk";;
esac
apk_basename="${apk##*/}"
case "$apk" in
*.apk)
signpart=control.tar.gz
filetype=.apk
;;
*/APKINDEX.tar.gz)
signpart=data.tar.gz
filetype=APKINDEX
;;
*)
die 'Unknown file type'
;;
esac
msg "Splitting $filetype..."
tmpdir="$(mktemp -td resignapk.XXXXXX)"
cd "$tmpdir"
abuild-gzsplit < "$apk"
if [ -n "$packager" ] && [ "$filetype" = .apk ]; then
msg 'Updating control.tar.gz'
tar -xf control.tar.gz
ctrl_files="$(tar -tf control.tar.gz)"
sed -i -e "s#^packager = .*#packager = ${PACKAGER:-"Unknown"}#" \
.PKGINFO
tar --format pax -f - -c $ctrl_files \
| abuild-tar --cut \
| gzip -9 > control.tar.gz
fi
abuild-sign -k "$privkey" -p "$pubkey" -q "$signpart"
msg 'Old signatures:'
list_sigs signatures.tar.gz
msg 'New signatures:'
list_sigs "$signpart"
if [ -n "$inplace" ]; then
msg "Updating $filetype"
else
msg "Creating $filetype.new"
apk="$apk.new"
fi
if [ "$filetype" = APKINDEX ]; then
mv data.tar.gz "$apk"
else
cat control.tar.gz data.tar.gz > "$apk"
fi
cleanup
done
|
