File: [local] / openbsd / fw_update / fw_install.sh (download)
Revision 1.54, Tue Dec 7 04:29:18 2021 UTC (2 years, 6 months ago) by afresh1
Branch: MAIN
Changes since 1.53: +1 -1 lines
Make signify quieter
We said we're going to check, we only need to say if it failed
|
#!/bin/ksh
# $OpenBSD$
#
# Copyright (c) 2021 Andrew Hewus Fresh <afresh1@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
set -o errexit -o pipefail -o nounset
CFILE=SHA256.sig
DESTDIR=${DESTDIR:-}
FWPATTERNS="${DESTDIR}/usr/share/misc/firmware_patterns"
VNAME=${VNAME:-$(sysctl -n kern.osrelease)}
VERSION=${VERSION:-"${VNAME%.*}${VNAME#*.}"}
HTTP_FWDIR="$VNAME"
VTYPE=$( sed -n "/^OpenBSD $VNAME\([^ ]*\).*$/s//\1/p" \
/var/run/dmesg.boot | sed '$!d' )
[[ $VTYPE == -!(stable) ]] && HTTP_FWDIR=snapshots
FWURL=http://firmware.openbsd.org/firmware/${HTTP_FWDIR}
FWPUB_KEY=${DESTDIR}/etc/signify/openbsd-${VERSION}-fw.pub
tmpdir() {
local _i=1 _dir
# If we're not in the installer,
# we have mktemp and a more hostile environment
if [ -x /usr/bin/mktemp ]; then
_dir=$( mktemp -d "${1}-XXXXXXXXX" )
else
until _dir="${1}.$_i.$RANDOM" && mkdir -- "$_dir" 2>/dev/null; do
((++_i < 10000)) || return 1
done
fi
echo "$_dir"
}
fetch() {
local _file=$1 _user=_file _exit
>"$_file"
chown "$_user" "$_file"
# If we're not in the installer, we have su(1)
# and doas(1) is unlikely to be configured.
if [ -x /usr/bin/su ]; then
/usr/bin/su -s /bin/ksh "$_user" -c \
"/usr/bin/ftp -D 'Get/Verify' -Vm \
-o '$_file' '${FWURL}/${_file}'"
_exit="$?"
else
/usr/bin/doas -u "$_user" \
ftp -D 'Get/Verify' -Vm \
-o "$_file" "${FWURL}/${_file}"
_exit="$?"
fi
if [ "$_exit" -ne 0 ]; then
rm -f "$_file"
echo "Cannot fetch $_file" >&2
return 1
fi
chown root "$_file"
}
verify() {
# On the installer we don't get sha256 -C, so fake it.
if ! fgrep -qx "SHA256 ($1) = $( /bin/sha256 -qb "$1" )" "$CFILE"; then
echo "Checksum test for $1 failed." >&2
return 1
fi
}
devices_needing_firmware() {
local _d _m _grep _dmesgtail _last=''
# When we're not in the installer, the dmesg.boot can
# contain multiple boots, so only look in the last one
_dmesgtail=$( sed -n 'H;/^OpenBSD/h;${g;p;}' /var/run/dmesg.boot )
grep -v '^[[:space:]]*#' "$FWPATTERNS" |
while read -r _d _m; do
_grep="grep"
[ "$_last" = "$_d" ] && continue
[ "$_m" ] || _m="^${_d}[0-9][0-9]* at "
[ "$_m" = "${_m#^}" ] && _grep="fgrep"
echo "$_dmesgtail" | $_grep -q "$_m" || continue
echo "$_d"
_last="$_d"
done
}
firmware_filename() {
sed -n "s/.*(\($1-firmware-.*\.tgz\)).*/\1/p" "$CFILE" | sed '$!d'
}
installed_firmware() {
for fw in "${DESTDIR}/var/db/pkg/$1-firmware"*; do
[ -e "$fw" ] || continue
echo "${fw##*/}"
done
}
add_firmware () {
local _f="$1" _pkgdir="${DESTDIR}/var/db/pkg"
ftp -D "Install" -Vmo- "file:${1}" |
tar -s ",^\+,${_pkgdir}/${_f%.tgz}/+," \
-s ",^firmware,${DESTDIR}/etc/firmware," \
-C / -zxphf - "+*" "firmware/*"
# TODO: Should we mark these so real fw_update can -Drepair?
ed -s "${_pkgdir}/${_f%.tgz}/+CONTENTS" <<EOL
/^@comment pkgpath/ -1a
@option manual-installation
@option firmware
@comment install-script
.
w
EOL
}
delete_firmware() {
local _cwd _pkg="$1" _pkgdir="${DESTDIR}/var/db/pkg"
# TODO: Check hash for files before deleting
echo "Uninstalling $_pkg"
_cwd="${_pkgdir}/$_pkg"
set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"
while read -r c g; do
case $c in
@cwd) _cwd="${DESTDIR}$g"
;;
@*) continue
;;
*) set -A _remove -- "$_cwd/$c" "${_remove[@]}"
;;
esac
done < "${_pkgdir}/${_pkg}/+CONTENTS"
# We specifically rm -f here because not removing files/dirs
# is probably not worth failing over.
for _r in "${_remove[@]}" ; do
if [ -d "$_r" ]; then
# Try hard not to actually remove recursively
# without rmdir on the install media.
[ "$_r/*" = "$( echo "$_r"/* )" ] && rm -rf "$_r"
else
rm -f "$_r"
fi
done
}
set -A devices -- $( devices_needing_firmware )
if [ ! "${devices:-}" ]; then
echo "No devices found which need firmware files to be downloaded."
exit
fi
TMPDIR=$( tmpdir "${DESTDIR}/tmp/fw_install" )
cd "$TMPDIR"
# To unpriv we need to let the unpriv user into this dir
chmod go+x .
fetch "$CFILE"
! signify -qVep "$FWPUB_KEY" -x "$CFILE" -m "$CFILE" &&
echo "Signature check of SHA256.sig failed" >&2 && exit 1
for d in "${devices[@]}"; do
f=$( firmware_filename "$d" )
[ "$f" ] || continue
set -A installed -- $( installed_firmware "$d" )
if [ "${installed:-}" ]; then
for i in "${installed[@]:-}"; do
if [ "$f" = "$i.tgz" ]; then
echo "$i already installed"
continue 2
fi
done
fi
fetch "$f" || continue
verify "$f" || continue
if [ "${installed:-}" ]; then
for i in "${installed[@]}"; do
delete_firmware "$i"
done
fi
add_firmware "$f"
done