Annotation of openbsd/fw_update/fw_install.sh, Revision 1.74
1.1 afresh1 1: #!/bin/ksh
1.36 afresh1 2: # $OpenBSD$
1.50 afresh1 3: #
1.38 afresh1 4: # Copyright (c) 2021 Andrew Hewus Fresh <afresh1@openbsd.org>
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:
1.50 afresh1 18: set -o errexit -o pipefail -o nounset
19:
20: CFILE=SHA256.sig
21: DESTDIR=${DESTDIR:-}
22: FWPATTERNS="${DESTDIR}/usr/share/misc/firmware_patterns"
23:
24: VNAME=${VNAME:-$(sysctl -n kern.osrelease)}
25: VERSION=${VERSION:-"${VNAME%.*}${VNAME#*.}"}
26:
27: HTTP_FWDIR="$VNAME"
1.52 afresh1 28: VTYPE=$( sed -n "/^OpenBSD $VNAME\([^ ]*\).*$/s//\1/p" \
29: /var/run/dmesg.boot | sed '$!d' )
1.50 afresh1 30: [[ $VTYPE == -!(stable) ]] && HTTP_FWDIR=snapshots
1.22 afresh1 31:
1.50 afresh1 32: FWURL=http://firmware.openbsd.org/firmware/${HTTP_FWDIR}
33: FWPUB_KEY=${DESTDIR}/etc/signify/openbsd-${VERSION}-fw.pub
1.8 afresh1 34:
1.69 afresh1 35: LOCALSRC=
36:
1.8 afresh1 37: tmpdir() {
38: local _i=1 _dir
39:
1.50 afresh1 40: # If we're not in the installer,
41: # we have mktemp and a more hostile environment
42: if [ -x /usr/bin/mktemp ]; then
43: _dir=$( mktemp -d "${1}-XXXXXXXXX" )
1.44 afresh1 44: else
1.50 afresh1 45: until _dir="${1}.$_i.$RANDOM" && mkdir -- "$_dir" 2>/dev/null; do
1.44 afresh1 46: ((++_i < 10000)) || return 1
47: done
48: fi
1.50 afresh1 49:
1.8 afresh1 50: echo "$_dir"
51: }
1.6 afresh1 52:
1.50 afresh1 53: fetch() {
1.69 afresh1 54: local _src="${FWURL}/${1##*/}" _dst=$1 _user=_file _exit
1.6 afresh1 55:
1.50 afresh1 56: # If we're not in the installer, we have su(1)
57: # and doas(1) is unlikely to be configured.
1.53 afresh1 58: if [ -x /usr/bin/su ]; then
1.50 afresh1 59: /usr/bin/su -s /bin/ksh "$_user" -c \
1.69 afresh1 60: "/usr/bin/ftp -D 'Get/Verify' -Vm -o- '$_src'" > "$_dst"
1.50 afresh1 61: _exit="$?"
1.42 afresh1 62: else
1.50 afresh1 63: /usr/bin/doas -u "$_user" \
1.69 afresh1 64: /usr/bin/ftp -D 'Get/Verify' -Vm -o- "$_src" > "$_dst"
1.50 afresh1 65: _exit="$?"
1.42 afresh1 66: fi
1.6 afresh1 67:
1.50 afresh1 68: if [ "$_exit" -ne 0 ]; then
1.69 afresh1 69: rm -f "$_dst"
70: echo "Cannot fetch $_src" >&2
1.50 afresh1 71: return 1
72: fi
1.6 afresh1 73: }
74:
1.50 afresh1 75: verify() {
76: # On the installer we don't get sha256 -C, so fake it.
1.69 afresh1 77: if ! fgrep -qx "SHA256 (${1##*/}) = $( /bin/sha256 -qb "$1" )" "$CFILE"; then
78: echo "Checksum test for ${1##*/} failed." >&2
1.50 afresh1 79: return 1
80: fi
1.6 afresh1 81: }
82:
1.50 afresh1 83: devices_needing_firmware() {
84: local _d _m _grep _dmesgtail _last=''
1.1 afresh1 85:
1.50 afresh1 86: # When we're not in the installer, the dmesg.boot can
87: # contain multiple boots, so only look in the last one
88: _dmesgtail=$( sed -n 'H;/^OpenBSD/h;${g;p;}' /var/run/dmesg.boot )
89:
90: grep -v '^[[:space:]]*#' "$FWPATTERNS" |
91: while read -r _d _m; do
92: _grep="grep"
93: [ "$_last" = "$_d" ] && continue
94: [ "$_m" ] || _m="^${_d}[0-9][0-9]* at "
95: [ "$_m" = "${_m#^}" ] && _grep="fgrep"
96:
97: echo "$_dmesgtail" | $_grep -q "$_m" || continue
98: echo "$_d"
99: _last="$_d"
100: done
101: }
1.14 afresh1 102:
1.50 afresh1 103: firmware_filename() {
1.56 afresh1 104: local _f
105: _f="$( sed -n "s/.*(\($1-firmware-.*\.tgz\)).*/\1/p" "$CFILE" | sed '$!d' )"
106: ! [ "$_f" ] && echo "Unable to find firmware for $1" >&2 && return 1
107: echo "$_f"
1.50 afresh1 108: }
1.7 afresh1 109:
1.57 afresh1 110: firmware_devicename() {
111: local _d="${1##*/}"
112: _d="${_d%-firmware-*}"
113: echo "$_d"
114: }
115:
1.50 afresh1 116: installed_firmware() {
117: for fw in "${DESTDIR}/var/db/pkg/$1-firmware"*; do
118: [ -e "$fw" ] || continue
119: echo "${fw##*/}"
120: done
121: }
1.1 afresh1 122:
1.50 afresh1 123: add_firmware () {
1.74 ! afresh1 124: local _f="${1##*/}"
! 125: local _pkgdir="${DESTDIR}/var/db/pkg/${_f%.tgz}"
1.50 afresh1 126: ftp -D "Install" -Vmo- "file:${1}" |
1.73 afresh1 127: tar -s ",^\+,${_pkgdir}/+," \
1.69 afresh1 128: -s ",^firmware,${DESTDIR}/etc/firmware," \
129: -C / -zxphf - "+*" "firmware/*"
1.1 afresh1 130:
1.50 afresh1 131: # TODO: Should we mark these so real fw_update can -Drepair?
1.73 afresh1 132: ed -s "${_pkgdir}/+CONTENTS" <<EOL
1.50 afresh1 133: /^@comment pkgpath/ -1a
134: @option manual-installation
135: @option firmware
136: @comment install-script
137: .
138: w
139: EOL
140: }
1.22 afresh1 141:
1.50 afresh1 142: delete_firmware() {
1.51 afresh1 143: local _cwd _pkg="$1" _pkgdir="${DESTDIR}/var/db/pkg"
1.22 afresh1 144:
1.50 afresh1 145: # TODO: Check hash for files before deleting
146: echo "Uninstalling $_pkg"
1.51 afresh1 147: _cwd="${_pkgdir}/$_pkg"
1.50 afresh1 148:
1.51 afresh1 149: set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"
1.50 afresh1 150:
151: while read -r c g; do
152: case $c in
1.51 afresh1 153: @cwd) _cwd="${DESTDIR}$g"
1.50 afresh1 154: ;;
155: @*) continue
156: ;;
1.52 afresh1 157: *) set -A _remove -- "$_cwd/$c" "${_remove[@]}"
1.50 afresh1 158: ;;
159: esac
160: done < "${_pkgdir}/${_pkg}/+CONTENTS"
161:
162: # We specifically rm -f here because not removing files/dirs
163: # is probably not worth failing over.
164: for _r in "${_remove[@]}" ; do
165: if [ -d "$_r" ]; then
166: # Try hard not to actually remove recursively
167: # without rmdir on the install media.
168: [ "$_r/*" = "$( echo "$_r"/* )" ] && rm -rf "$_r"
169: else
170: rm -f "$_r"
1.22 afresh1 171: fi
172: done
1.50 afresh1 173: }
1.1 afresh1 174:
1.59 afresh1 175: usage() {
1.66 afresh1 176: echo "usage: fw_install [-d dir | -L dir] [driver | file [...]]"
1.59 afresh1 177: exit 2
178: }
179:
1.68 afresh1 180: INSTALL=true
181: DOWNLOAD=true
182:
183: while getopts dL name
1.59 afresh1 184: do
185: case "$name" in
1.68 afresh1 186: # "download only" means local dir and don't install
1.69 afresh1 187: d) LOCALSRC=. INSTALL=false ;;
188: L) LOCALSRC=. ;;
1.59 afresh1 189: ?) usage 2 ;;
190: esac
191: done
192: shift $((OPTIND - 1))
193:
1.68 afresh1 194: # If we're installing from a local dir
195: # we don't want to download anything
1.69 afresh1 196: [ "$LOCALSRC" ] && "$INSTALL" && DOWNLOAD=false
197: [ "$LOCALSRC" ] || LOCALSRC="$( tmpdir "${DESTDIR}/tmp/fw_install" )"
1.64 afresh1 198:
1.58 afresh1 199: set -A devices -- "$@"
200:
201: [ "${devices[*]:-}" ] ||
202: set -A devices -- $( devices_needing_firmware )
1.1 afresh1 203:
1.65 afresh1 204: if [ ! "${devices[*]:-}" ]; then
1.50 afresh1 205: echo "No devices found which need firmware files to be downloaded."
206: exit
207: fi
208:
1.71 afresh1 209: if "$DOWNLOAD"; then
1.64 afresh1 210: fetch "$CFILE"
211: ! signify -qVep "$FWPUB_KEY" -x "$CFILE" -m "$CFILE" &&
212: echo "Signature check of SHA256.sig failed" >&2 && exit 1
213: fi
1.50 afresh1 214:
1.70 afresh1 215: for f in "${devices[@]}"; do
216: d="$( firmware_devicename "$f" )"
217:
1.58 afresh1 218: if [ "$f" = "$d" ]; then
219: f=$( firmware_filename "$d" || true )
220: [ "$f" ] || continue
1.69 afresh1 221: f="$LOCALSRC/$f"
1.70 afresh1 222: elif ! "$INSTALL" && ! grep -q "($f)" "$CFILE" ; then
223: echo "Cannot download local file $f" >&2
224: exit 2
1.58 afresh1 225: fi
226:
1.50 afresh1 227: set -A installed -- $( installed_firmware "$d" )
228:
1.68 afresh1 229: if "$INSTALL" && [ "${installed[*]:-}" ]; then
1.65 afresh1 230: for i in "${installed[@]}"; do
1.58 afresh1 231: if [ "${f##*/}" = "$i.tgz" ]; then
1.50 afresh1 232: echo "$i already installed"
1.11 afresh1 233: continue 2
1.1 afresh1 234: fi
235: done
1.50 afresh1 236: fi
1.1 afresh1 237:
1.72 afresh1 238: if [ -e "$f" ]; then
239: if "$DOWNLOAD"; then
240: echo "Verify existing ${f##*/}"
241: verify "$f" || continue
242: # else assume it was verified when downloaded
243: fi
244: elif "$INSTALL" && ! "$DOWNLOAD"; then
245: echo "Cannot install ${f##*/}, not found" >&2
246: continue
247: else
1.58 afresh1 248: fetch "$f" || continue
1.61 afresh1 249: verify "$f" || continue
1.58 afresh1 250: fi
1.60 afresh1 251:
1.68 afresh1 252: "$INSTALL" || continue
1.11 afresh1 253:
1.65 afresh1 254: if [ "${installed[*]:-}" ]; then
1.50 afresh1 255: for i in "${installed[@]}"; do
256: delete_firmware "$i"
257: done
258: fi
1.11 afresh1 259:
1.50 afresh1 260: add_firmware "$f"
261: done
1.1 afresh1 262:
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