Annotation of openbsd/fw_update/fw_install.sh, Revision 1.73
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 "${fw##*/}"
120: done
121: }
1.1 afresh1 122:
1.50 afresh1 123: add_firmware () {
1.73 ! afresh1 124: local _f="${1##*/}" _pkgdir="${DESTDIR}/var/db/pkg/${_f%.tgz}"
1.50 afresh1 125: ftp -D "Install" -Vmo- "file:${1}" |
1.73 ! afresh1 126: tar -s ",^\+,${_pkgdir}/+," \
1.69 afresh1 127: -s ",^firmware,${DESTDIR}/etc/firmware," \
128: -C / -zxphf - "+*" "firmware/*"
1.1 afresh1 129:
1.50 afresh1 130: # TODO: Should we mark these so real fw_update can -Drepair?
1.73 ! afresh1 131: ed -s "${_pkgdir}/+CONTENTS" <<EOL
1.50 afresh1 132: /^@comment pkgpath/ -1a
133: @option manual-installation
134: @option firmware
135: @comment install-script
136: .
137: w
138: EOL
139: }
1.22 afresh1 140:
1.50 afresh1 141: delete_firmware() {
1.51 afresh1 142: local _cwd _pkg="$1" _pkgdir="${DESTDIR}/var/db/pkg"
1.22 afresh1 143:
1.50 afresh1 144: # TODO: Check hash for files before deleting
145: echo "Uninstalling $_pkg"
1.51 afresh1 146: _cwd="${_pkgdir}/$_pkg"
1.50 afresh1 147:
1.51 afresh1 148: set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"
1.50 afresh1 149:
150: while read -r c g; do
151: case $c in
1.51 afresh1 152: @cwd) _cwd="${DESTDIR}$g"
1.50 afresh1 153: ;;
154: @*) continue
155: ;;
1.52 afresh1 156: *) set -A _remove -- "$_cwd/$c" "${_remove[@]}"
1.50 afresh1 157: ;;
158: esac
159: done < "${_pkgdir}/${_pkg}/+CONTENTS"
160:
161: # We specifically rm -f here because not removing files/dirs
162: # is probably not worth failing over.
163: for _r in "${_remove[@]}" ; do
164: if [ -d "$_r" ]; then
165: # Try hard not to actually remove recursively
166: # without rmdir on the install media.
167: [ "$_r/*" = "$( echo "$_r"/* )" ] && rm -rf "$_r"
168: else
169: rm -f "$_r"
1.22 afresh1 170: fi
171: done
1.50 afresh1 172: }
1.1 afresh1 173:
1.59 afresh1 174: usage() {
1.66 afresh1 175: echo "usage: fw_install [-d dir | -L dir] [driver | file [...]]"
1.59 afresh1 176: exit 2
177: }
178:
1.68 afresh1 179: INSTALL=true
180: DOWNLOAD=true
181:
182: while getopts dL name
1.59 afresh1 183: do
184: case "$name" in
1.68 afresh1 185: # "download only" means local dir and don't install
1.69 afresh1 186: d) LOCALSRC=. INSTALL=false ;;
187: L) LOCALSRC=. ;;
1.59 afresh1 188: ?) usage 2 ;;
189: esac
190: done
191: shift $((OPTIND - 1))
192:
1.68 afresh1 193: # If we're installing from a local dir
194: # we don't want to download anything
1.69 afresh1 195: [ "$LOCALSRC" ] && "$INSTALL" && DOWNLOAD=false
196: [ "$LOCALSRC" ] || LOCALSRC="$( tmpdir "${DESTDIR}/tmp/fw_install" )"
1.64 afresh1 197:
1.58 afresh1 198: set -A devices -- "$@"
199:
200: [ "${devices[*]:-}" ] ||
201: set -A devices -- $( devices_needing_firmware )
1.1 afresh1 202:
1.65 afresh1 203: if [ ! "${devices[*]:-}" ]; then
1.50 afresh1 204: echo "No devices found which need firmware files to be downloaded."
205: exit
206: fi
207:
1.71 afresh1 208: if "$DOWNLOAD"; then
1.64 afresh1 209: fetch "$CFILE"
210: ! signify -qVep "$FWPUB_KEY" -x "$CFILE" -m "$CFILE" &&
211: echo "Signature check of SHA256.sig failed" >&2 && exit 1
212: fi
1.50 afresh1 213:
1.70 afresh1 214: for f in "${devices[@]}"; do
215: d="$( firmware_devicename "$f" )"
216:
1.58 afresh1 217: if [ "$f" = "$d" ]; then
218: f=$( firmware_filename "$d" || true )
219: [ "$f" ] || continue
1.69 afresh1 220: f="$LOCALSRC/$f"
1.70 afresh1 221: elif ! "$INSTALL" && ! grep -q "($f)" "$CFILE" ; then
222: echo "Cannot download local file $f" >&2
223: exit 2
1.58 afresh1 224: fi
225:
1.50 afresh1 226: set -A installed -- $( installed_firmware "$d" )
227:
1.68 afresh1 228: if "$INSTALL" && [ "${installed[*]:-}" ]; then
1.65 afresh1 229: for i in "${installed[@]}"; do
1.58 afresh1 230: if [ "${f##*/}" = "$i.tgz" ]; then
1.50 afresh1 231: echo "$i already installed"
1.11 afresh1 232: continue 2
1.1 afresh1 233: fi
234: done
1.50 afresh1 235: fi
1.1 afresh1 236:
1.72 afresh1 237: if [ -e "$f" ]; then
238: if "$DOWNLOAD"; then
239: echo "Verify existing ${f##*/}"
240: verify "$f" || continue
241: # else assume it was verified when downloaded
242: fi
243: elif "$INSTALL" && ! "$DOWNLOAD"; then
244: echo "Cannot install ${f##*/}, not found" >&2
245: continue
246: else
1.58 afresh1 247: fetch "$f" || continue
1.61 afresh1 248: verify "$f" || continue
1.58 afresh1 249: fi
1.60 afresh1 250:
1.68 afresh1 251: "$INSTALL" || continue
1.11 afresh1 252:
1.65 afresh1 253: if [ "${installed[*]:-}" ]; then
1.50 afresh1 254: for i in "${installed[@]}"; do
255: delete_firmware "$i"
256: done
257: fi
1.11 afresh1 258:
1.50 afresh1 259: add_firmware "$f"
260: done
1.1 afresh1 261:
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