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|
#!/bin/sh
set -e
. /usr/share/debconf/confmodule
LOG=/tmp/missing-firmware
DENIED=/tmp/missing-firmware-denied
NL="
"
log () {
logger -t check-missing-firmware "$@"
}
read_log () {
# Give modules some time to request firmware.
sleep 1
modules=""
files=""
if [ -s "$LOG" ]; then
mv $LOG $LOG.old
OLDIFS="$IFS"
IFS="$NL"
for line in $(sort $LOG.old | uniq); do
module="${line%% *}"
file="${line#* }"
[ -z "$module" ] || [ -z "$file" ] && continue
if grep -q "^$file$" $DENIED 2>/dev/null; then
continue
fi
modules="$module${modules:+ $modules}"
files="$file${files:+ $files}"
done
IFS="$OLDIFS"
rm -f $LOG.old
fi
if [ -n "$modules" ]; then
log "missing firmware files ($files) for $modules"
return 0
else
log "no missing firmware in $LOG"
return 1
fi
}
first=1
ask_load_firmware () {
db_subst hw-detect/load_firmware FILES "$files"
if ! db_input high hw-detect/load_firmware; then
if [ ! "$first" ]; then
exit 1;
else
first=""
fi
fi
if ! db_go; then
exit 10 # back up
fi
db_get hw-detect/load_firmware
if [ "$RET" = true ]; then
return 0
else
echo "$files" | tr ' ' '\n' >> $DENIED
return 1
fi
}
list_deb_firmware () {
ar p "$1" data.tar.gz | tar zt \
| grep '^\./lib/firmware/' \
| sed -e 's!^\./lib/firmware/!!' \
| grep -v '^$'
}
check_deb_arch () {
arch=$(ar p "$1" control.tar.gz | tar zxO ./control | grep '^Architecture:' | sed -e 's/Architecture: *//')
[ "$arch" = all ] || [ "$arch" = "$(udpkg --print-architecture)" ]
}
install_firmware_pkg () {
if echo "$1" | grep -q '\.deb$'; then
# cache deb for installation into /target later
mkdir -p /var/cache/firmware/
cp -a "$1" /var/cache/firmware/ || true
udpkg --unpack "/var/cache/firmware/$(basename "$1")"
else
udpkg --unpack "$1"
fi
}
while read_log && ask_load_firmware; do
# first, look for loose firmware files on the media.
if mountmedia; then
for file in $files; do
for f in "/media/$file" "/media/firmware/$file"; do
if [ -e "$f" ]; then
log "copying loose file $file"
mkdir -p /lib/firmware
rm -f "/lib/firmware/$file"
cp -a "$f" /lib/firmware/ || true
break
fi
done
done
umount /media || true
fi
# Try to load udebs (or debs) that contain the missing firmware.
# This does not use anna because debs can have arbitrary
# dependencies, which anna might try to install.
if mountmedia driver; then
echo "$files" | sed -e 's/ /\n/g' >/tmp/grepfor
for filename in /media/*.deb /media/*.udeb /media/*.ude /media/firmware/*.deb /media/firmware/*.udeb /media/firmware/*.ude; do
if [ -f "$filename" ]; then
if check_deb_arch "$filename" && list_deb_firmware "$filename" | grep -qf /tmp/grepfor; then
log "installing firmware package $filename"
install_firmware_pkg "$filename" || true
fi
fi
done
rm -f /tmp/grepfor
umount /media || true
fi
# remove and reload modules so they see the new firmware
for module in $modules; do
modprobe -r $module || true
modprobe $module || true
done
done
|
