xref: /openbsd-src/usr.sbin/fw_update/fw_update.sh (revision d13be5d47e4149db2549a9828e244d59dbc43f15)
1#!/bin/sh
2
3# $OpenBSD: fw_update.sh,v 1.8 2011/08/02 15:52:26 deraadt Exp $
4# Copyright (c) 2011 Alexander Hall <alexander@beard.se>
5#
6# Permission to use, copy, modify, and distribute this software for any
7# purpose with or without fee is hereby granted, provided that the above
8# copyright notice and this permission notice appear in all copies.
9#
10# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18# This is the list of drivers we should look for
19DRIVERS="acx athn bwi ipw iwi iwn malo otus pgt rsu uath ueagle upgt urtwn
20	uvideo wpi"
21
22PKG_ADD="pkg_add -D repair"
23
24usage() {
25	echo "usage: ${0##*/} [-nv]" >&2
26	exit 1
27}
28
29verbose() {
30	[ "$verbose" ] && echo "${0##*/}: $@"
31}
32
33verbose=
34nop=
35while getopts 'nv' s "$@" 2>&-; do
36	case "$s" in
37	v)	verbose=${verbose:--}v ;;
38	n)	nop=-n ;;
39	*)	usage ;;
40	esac
41done
42
43# No additional arguments allowed
44[ $# = $(($OPTIND-1)) ] || usage
45
46set -- $(sysctl -n kern.version | sed 's/^OpenBSD \([0-9]\.[0-9]\)\([^ ]*\).*/\1 \2/;q')
47
48version=$1
49tag=$2
50
51[ -n "$tag" -a X"$tag" != X"-stable" ] && version=snapshots
52export PKG_PATH=http://firmware.openbsd.org/firmware/$version/
53
54installed=$(pkg_info -q)
55dmesg=$(cat /var/run/dmesg.boot; echo; dmesg)
56
57install=
58update=
59
60for driver in $DRIVERS; do
61	if print -r -- "$installed" | grep -q "^${driver}-firmware-"; then
62		update="$update ${driver}-firmware"
63	elif print -r -- "$dmesg" | grep -q "^${driver}[0-9][0-9]* at "; then
64		install="$install ${driver}-firmware"
65	fi
66done
67
68if [ -z "$install$update" ]; then
69	verbose "No devices found which need firmware files to be downloaded."
70	exit 0
71fi
72
73[ "$nop" ] || [ 0 = $(id -u) ] ||
74	{ echo "${0##*/} must be run as root" >&2; exit 1; }
75
76# Install missing firmware
77if [ "$install" ]; then
78	verbose "Installing firmware files:$install."
79	$PKG_ADD $nop $verbose $install
80fi
81
82# Update installed firmware
83if [ "$update" ]; then
84	verbose "Updating firmware files:$update."
85	$PKG_ADD $nop $verbose -u $update
86fi
87