Annotation of openbsd/fw_update/fw_install.sh, Revision 1.78
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
1.77 afresh1 19: export PATH=/usr/bin:/bin:/usr/sbin:/sbin
1.50 afresh1 20:
21: CFILE=SHA256.sig
22: DESTDIR=${DESTDIR:-}
23: FWPATTERNS="${DESTDIR}/usr/share/misc/firmware_patterns"
24:
25: VNAME=${VNAME:-$(sysctl -n kern.osrelease)}
26: VERSION=${VERSION:-"${VNAME%.*}${VNAME#*.}"}
27:
28: HTTP_FWDIR="$VNAME"
1.52 afresh1 29: VTYPE=$( sed -n "/^OpenBSD $VNAME\([^ ]*\).*$/s//\1/p" \
30: /var/run/dmesg.boot | sed '$!d' )
1.50 afresh1 31: [[ $VTYPE == -!(stable) ]] && HTTP_FWDIR=snapshots
1.22 afresh1 32:
1.50 afresh1 33: FWURL=http://firmware.openbsd.org/firmware/${HTTP_FWDIR}
34: FWPUB_KEY=${DESTDIR}/etc/signify/openbsd-${VERSION}-fw.pub
1.8 afresh1 35:
1.69 afresh1 36: LOCALSRC=
37:
1.8 afresh1 38: tmpdir() {
39: local _i=1 _dir
40:
1.50 afresh1 41: # If we're not in the installer,
42: # we have mktemp and a more hostile environment
43: if [ -x /usr/bin/mktemp ]; then
44: _dir=$( mktemp -d "${1}-XXXXXXXXX" )
1.44 afresh1 45: else
1.50 afresh1 46: until _dir="${1}.$_i.$RANDOM" && mkdir -- "$_dir" 2>/dev/null; do
1.44 afresh1 47: ((++_i < 10000)) || return 1
48: done
49: fi
1.50 afresh1 50:
1.8 afresh1 51: echo "$_dir"
52: }
1.6 afresh1 53:
1.50 afresh1 54: fetch() {
1.69 afresh1 55: local _src="${FWURL}/${1##*/}" _dst=$1 _user=_file _exit
1.6 afresh1 56:
1.50 afresh1 57: # If we're not in the installer, we have su(1)
58: # and doas(1) is unlikely to be configured.
1.53 afresh1 59: if [ -x /usr/bin/su ]; then
1.50 afresh1 60: /usr/bin/su -s /bin/ksh "$_user" -c \
1.69 afresh1 61: "/usr/bin/ftp -D 'Get/Verify' -Vm -o- '$_src'" > "$_dst"
1.50 afresh1 62: _exit="$?"
1.42 afresh1 63: else
1.50 afresh1 64: /usr/bin/doas -u "$_user" \
1.69 afresh1 65: /usr/bin/ftp -D 'Get/Verify' -Vm -o- "$_src" > "$_dst"
1.50 afresh1 66: _exit="$?"
1.42 afresh1 67: fi
1.6 afresh1 68:
1.50 afresh1 69: if [ "$_exit" -ne 0 ]; then
1.69 afresh1 70: rm -f "$_dst"
71: echo "Cannot fetch $_src" >&2
1.50 afresh1 72: return 1
73: fi
1.6 afresh1 74: }
75:
1.50 afresh1 76: verify() {
77: # On the installer we don't get sha256 -C, so fake it.
1.69 afresh1 78: if ! fgrep -qx "SHA256 (${1##*/}) = $( /bin/sha256 -qb "$1" )" "$CFILE"; then
79: echo "Checksum test for ${1##*/} failed." >&2
1.50 afresh1 80: return 1
81: fi
1.6 afresh1 82: }
83:
1.50 afresh1 84: devices_needing_firmware() {
85: local _d _m _grep _dmesgtail _last=''
1.1 afresh1 86:
1.50 afresh1 87: # When we're not in the installer, the dmesg.boot can
88: # contain multiple boots, so only look in the last one
89: _dmesgtail=$( sed -n 'H;/^OpenBSD/h;${g;p;}' /var/run/dmesg.boot )
90:
91: grep -v '^[[:space:]]*#' "$FWPATTERNS" |
92: while read -r _d _m; do
93: _grep="grep"
94: [ "$_last" = "$_d" ] && continue
95: [ "$_m" ] || _m="^${_d}[0-9][0-9]* at "
96: [ "$_m" = "${_m#^}" ] && _grep="fgrep"
97:
98: echo "$_dmesgtail" | $_grep -q "$_m" || continue
99: echo "$_d"
100: _last="$_d"
101: done
102: }
1.14 afresh1 103:
1.50 afresh1 104: firmware_filename() {
1.56 afresh1 105: local _f
106: _f="$( sed -n "s/.*(\($1-firmware-.*\.tgz\)).*/\1/p" "$CFILE" | sed '$!d' )"
107: ! [ "$_f" ] && echo "Unable to find firmware for $1" >&2 && return 1
108: echo "$_f"
1.50 afresh1 109: }
1.7 afresh1 110:
1.57 afresh1 111: firmware_devicename() {
112: local _d="${1##*/}"
113: _d="${_d%-firmware-*}"
114: echo "$_d"
115: }
116:
1.50 afresh1 117: installed_firmware() {
118: for fw in "${DESTDIR}/var/db/pkg/$1-firmware"*; do
119: [ -e "$fw" ] || continue
120: echo "${fw##*/}"
121: done
122: }
1.1 afresh1 123:
1.50 afresh1 124: add_firmware () {
1.74 afresh1 125: local _f="${1##*/}"
126: local _pkgdir="${DESTDIR}/var/db/pkg/${_f%.tgz}"
1.50 afresh1 127: ftp -D "Install" -Vmo- "file:${1}" |
1.73 afresh1 128: tar -s ",^\+,${_pkgdir}/+," \
1.69 afresh1 129: -s ",^firmware,${DESTDIR}/etc/firmware," \
130: -C / -zxphf - "+*" "firmware/*"
1.1 afresh1 131:
1.50 afresh1 132: # TODO: Should we mark these so real fw_update can -Drepair?
1.73 afresh1 133: ed -s "${_pkgdir}/+CONTENTS" <<EOL
1.50 afresh1 134: /^@comment pkgpath/ -1a
135: @option manual-installation
136: @option firmware
137: @comment install-script
138: .
139: w
140: EOL
141: }
1.22 afresh1 142:
1.50 afresh1 143: delete_firmware() {
1.51 afresh1 144: local _cwd _pkg="$1" _pkgdir="${DESTDIR}/var/db/pkg"
1.22 afresh1 145:
1.50 afresh1 146: # TODO: Check hash for files before deleting
147: echo "Uninstalling $_pkg"
1.51 afresh1 148: _cwd="${_pkgdir}/$_pkg"
1.50 afresh1 149:
1.51 afresh1 150: set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"
1.50 afresh1 151:
152: while read -r c g; do
153: case $c in
1.51 afresh1 154: @cwd) _cwd="${DESTDIR}$g"
1.50 afresh1 155: ;;
156: @*) continue
157: ;;
1.52 afresh1 158: *) set -A _remove -- "$_cwd/$c" "${_remove[@]}"
1.50 afresh1 159: ;;
160: esac
161: done < "${_pkgdir}/${_pkg}/+CONTENTS"
162:
163: # We specifically rm -f here because not removing files/dirs
164: # is probably not worth failing over.
165: for _r in "${_remove[@]}" ; do
166: if [ -d "$_r" ]; then
167: # Try hard not to actually remove recursively
168: # without rmdir on the install media.
169: [ "$_r/*" = "$( echo "$_r"/* )" ] && rm -rf "$_r"
170: else
171: rm -f "$_r"
1.22 afresh1 172: fi
173: done
1.50 afresh1 174: }
1.1 afresh1 175:
1.59 afresh1 176: usage() {
1.66 afresh1 177: echo "usage: fw_install [-d dir | -L dir] [driver | file [...]]"
1.59 afresh1 178: exit 2
179: }
180:
1.68 afresh1 181: INSTALL=true
182: DOWNLOAD=true
183:
184: while getopts dL name
1.59 afresh1 185: do
186: case "$name" in
1.68 afresh1 187: # "download only" means local dir and don't install
1.69 afresh1 188: d) LOCALSRC=. INSTALL=false ;;
189: L) LOCALSRC=. ;;
1.59 afresh1 190: ?) usage 2 ;;
191: esac
192: done
193: shift $((OPTIND - 1))
194:
1.68 afresh1 195: # If we're installing from a local dir
196: # we don't want to download anything
1.69 afresh1 197: [ "$LOCALSRC" ] && "$INSTALL" && DOWNLOAD=false
198: [ "$LOCALSRC" ] || LOCALSRC="$( tmpdir "${DESTDIR}/tmp/fw_install" )"
1.64 afresh1 199:
1.78 ! afresh1 200: CFILE="$LOCALSRC/$CFILE"
! 201:
1.58 afresh1 202: set -A devices -- "$@"
203:
204: [ "${devices[*]:-}" ] ||
205: set -A devices -- $( devices_needing_firmware )
1.1 afresh1 206:
1.65 afresh1 207: if [ ! "${devices[*]:-}" ]; then
1.50 afresh1 208: echo "No devices found which need firmware files to be downloaded."
209: exit
210: fi
211:
1.71 afresh1 212: if "$DOWNLOAD"; then
1.64 afresh1 213: fetch "$CFILE"
214: ! signify -qVep "$FWPUB_KEY" -x "$CFILE" -m "$CFILE" &&
215: echo "Signature check of SHA256.sig failed" >&2 && exit 1
216: fi
1.50 afresh1 217:
1.70 afresh1 218: for f in "${devices[@]}"; do
219: d="$( firmware_devicename "$f" )"
220:
1.58 afresh1 221: if [ "$f" = "$d" ]; then
222: f=$( firmware_filename "$d" || true )
223: [ "$f" ] || continue
1.69 afresh1 224: f="$LOCALSRC/$f"
1.76 afresh1 225: elif ! "$INSTALL" && ! grep -Fq "($f)" "$CFILE" ; then
1.70 afresh1 226: echo "Cannot download local file $f" >&2
227: exit 2
1.58 afresh1 228: fi
229:
1.50 afresh1 230: set -A installed -- $( installed_firmware "$d" )
231:
1.68 afresh1 232: if "$INSTALL" && [ "${installed[*]:-}" ]; then
1.65 afresh1 233: for i in "${installed[@]}"; do
1.58 afresh1 234: if [ "${f##*/}" = "$i.tgz" ]; then
1.50 afresh1 235: echo "$i already installed"
1.11 afresh1 236: continue 2
1.1 afresh1 237: fi
238: done
1.50 afresh1 239: fi
1.1 afresh1 240:
1.72 afresh1 241: if [ -e "$f" ]; then
242: if "$DOWNLOAD"; then
243: echo "Verify existing ${f##*/}"
244: verify "$f" || continue
245: # else assume it was verified when downloaded
246: fi
1.75 afresh1 247: elif "$DOWNLOAD"; then
248: fetch "$f" || continue
249: verify "$f" || continue
250: elif "$INSTALL"; then
1.72 afresh1 251: echo "Cannot install ${f##*/}, not found" >&2
252: continue
1.58 afresh1 253: fi
1.60 afresh1 254:
1.68 afresh1 255: "$INSTALL" || continue
1.11 afresh1 256:
1.65 afresh1 257: if [ "${installed[*]:-}" ]; then
1.50 afresh1 258: for i in "${installed[@]}"; do
259: delete_firmware "$i"
260: done
261: fi
1.11 afresh1 262:
1.50 afresh1 263: add_firmware "$f"
264: done
1.1 afresh1 265:
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