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|
#!/bin/sh
#
# Find missing firmware files requested by the kernel, and install the
# binary packages with the files. Fetch them the from the non-free section
# if that is needed.
#
# This script was copied from auto-addfirmware from the debian-edu-config
# package and extended here.
PATH=/sbin:/usr/sbin:$PATH
export PATH
dist=$(lsb_release -cs)
if [ "n/a" = "$dist" ] ; then
dist=testing
fi
arch=$(dpkg --print-architecture)
mirror=http://httpredir.debian.org/debian
aptsourcelist=/etc/apt/sources.list.d/isenkram-autoinstall-firmware.list
if [ "-l" = "$1" ] ; then
listonly=true
else
listonly=false
fi
loginfo() {
echo "info: $@" 1>&2
}
add_contrib_nonfree() {
if $listonly ; then
return
fi
cat <<EOF > $aptsourcelist
deb $mirror $dist contrib non-free
deb-src $mirror $dist contrib non-free
EOF
chmod a+r $aptsourcelist
echo "apt updated" > $nonfreeflag
}
appstreamlookup() {
fwfile="$1"
appstreamcli what-provides firmware:runtime "$fwfile" | \
awk '/Package:/ { print $2}'
}
# Find firmware files requested by loaded kernel drivers.
for fwfile in $(for module in $(awk '{print $1}' /proc/modules) ; do modinfo $module 2>/dev/null |awk '/^firmware:/ {print $2}'; done|sort -u); do
if [ ! -e /lib/firmware/$fwfile ] ; then
fwfiles="${fwfiles:+$fwfiles }$fwfile"
fi
done
# Also look in dmesg for requested firmware for modules that refuse to
# load without their firmware. See also bug #725714.
if dmesg >/dev/null 2>&1 ; then
for fwfile in $(dmesg | sed -rn 's/^(\[[^]]*\] )?([^ ]+) [^ ]+: firmware: failed to load ([^ ]+) .*/\3/p'); do
loginfo "looking for firmware file $fwfile requested by kernel"
if [ ! -e /lib/firmware/$fwfile ] ; then
fwfiles="${fwfiles:+$fwfiles }$fwfile"
fi
done
else
loginfo "unable to check dmesg, list might be incomplete"
fi
if [ -z "$fwfiles" ] ; then
loginfo "did not find any firmware files requested by loaded kernel modules. exiting"
exit 1
fi
loginfo "some kernel driver requested extra firmware files:" $fwfiles
tmpdir=$(mktemp -d)
nonfreeflag=nonfreeflag
cd $tmpdir || exit 1
cleanup() {
cd /
rm -rf $tmpdir
}
fetch_latest_data() {
for section in "main" "contrib" "non-free"; do
# "" is main in Wheezy.
if [ main = "$section" ] && [ wheezy = "$dist" ]; then
url="$mirror/dists/$dist/Contents-$arch.gz"
else
url="$mirror/dists/$dist/$section/Contents-$arch.gz"
fi
loginfo "fetching $url"
curl --location $url | gunzip | grep ^lib/firmware > Fw-Contents-$arch-$dist-$section
done
}
# Prefer appstream and use the local copy of firmware->package
# mappings if nothing is found using appstream. Downloading apt-file
# data is disabled as the local files are available both in Debian
# stable, testing and unstable, and appstream allow for dynamic
# updates.
#fetch_latest_data
datafiles=""
for f in Fw-Contents-$arch-$dist-* \
/usr/share/isenkram/Fw-Contents-$arch-$dist-* ; do
if [ -s "$f" ] ; then
datafiles="$datafiles $f"
fi
done
if [ "$datafiles" ] ; then
loginfo "locating packages with the requested firmware files"
binpkginfos=""
binpkgs=""
for fwfile in $fwfiles ; do
# First check appstream, next look in our local files
binpkginfo=$(appstreamlookup $fwfile)
if [ -z "$binpkginfo" ] ; then
fwfilere=$(echo $fwfile | sed -e 's%/%\\/%g' -e 's/\./\\./g')
binpkginfo="$(awk "/^lib\/firmware\/$fwfilere/ {print \$2}" $datafiles)"
fi
if [ -z "$binpkginfo" ] ; then
# Special case for b43 where the firmware is
# undistributable by Debian.
case "$fwfile" in
b43/*)
add_contrib_nonfree
binpkgs="${binpkgs:+$binpkgs }firmware-b43-installer"
;;
esac
else
binpkginfos="$binpkginfos $binpkginfo"
fi
done
else
loginfo "unable to find any firmware info for dist $dist"
fi
binpkgs="${binpkgs:+$binpkgs }$(
for binpkginfo in $binpkginfos ; do
echo $binpkginfo | while IFS=/ read section srcpkg binpkg ; do
echo $binpkg
# Enable the non-free section if it is needed
if LC_ALL=C apt-cache show $binpkg 2>&1 | \
grep -q 'E: No packages found' \
&& ( [ non-free = "$section" ] \
|| [ contrib = "$section" ] ) ; then
add_contrib_nonfree
fi
done
done)"
if [ -e $nonfreeflag ] && ! $listonly ; then
# Fetch updated package lists
loginfo "Updating APT sources after adding non-free APT source"
apt-get -qq update
fi
if [ "$binpkgs" ] ; then
if $listonly ; then
echo $binpkgs | tr " " "\n" | sort -u
else
# Install firmware packages
loginfo "trying to install $binpkgs"
apt-get -qq install -y $binpkgs
fi
else
loginfo "No new firmware package with requested firmware detected."
fi
cleanup
|
