Annotation of openbsd/fw_update/fw_install.sh, Revision 1.31
1.1 afresh1 1: #!/bin/ksh
2: set -e
3:
1.24 afresh1 4: # Fake up some things from install.sub that we don't need to actually do
1.22 afresh1 5: prefetcharea_fs_list() {
1.27 afresh1 6: echo "${DESTDIR}/tmp"
1.22 afresh1 7: }
8:
1.8 afresh1 9: # tmpdir, do_as, unpriv, and unpriv2 are from install.sub
10:
11: # Create a temporary directory based on the supplied directory name prefix.
12: tmpdir() {
13: local _i=1 _dir
14:
15: until _dir="${1?}.$_i.$RANDOM" && mkdir -- "$_dir" 2>/dev/null; do
16: ((++_i < 10000)) || return 1
17: done
18: echo "$_dir"
19: }
1.6 afresh1 20:
21: # Run a command ($2+) as unprivileged user ($1).
22: # Take extra care that after "cmd" no "user" processes exist.
23: #
24: # Optionally:
25: # - create "file" and chown it to "user"
26: # - after "cmd", chown "file" back to root
27: #
28: # Usage: do_as user [-f file] cmd
29: do_as() {
30: (( $# >= 2 )) || return
31:
32: local _file _rc _user=$1
33: shift
34:
35: if [[ $1 == -f ]]; then
36: _file=$2
37: shift 2
38: fi
39:
40: if [[ -n $_file ]]; then
41: >$_file
42: chown "$_user" "$_file"
43: fi
44:
45: doas -u "$_user" "$@"
46: _rc=$?
47:
48: while doas -u "$_user" kill -9 -1 2>/dev/null; do
49: echo "Processes still running for user $_user after: $@"
50: sleep 1
51: done
52:
53: [[ -n $_file ]] && chown root "$_file"
54:
55: return $_rc
56: }
57:
58: unpriv() {
59: do_as _sndio "$@"
60: }
61:
62: unpriv2() {
63: do_as _file "$@"
64: }
65:
1.20 afresh1 66: # "fail" needs to be replaced with the "ask_yn" loop like in the installer.
1.8 afresh1 67: _issue=
68: fail() {
69: echo $_issue >&2
70: exit 1
71: }
72:
1.7 afresh1 73: VNAME=$(sysctl -n kern.osrelease)
74: VERSION="${VNAME%.*}${VNAME#*.}"
75: FWDIR="$VNAME"
1.29 afresh1 76: MODE=${MODE:-install}
1.1 afresh1 77:
1.14 afresh1 78: # TODO: We need the firmware for the system we just installed
79: # not the one we booted from. For example:
80: # * booting from a snapshot bsd.rd that thinks it is the 7.0 release
81: # will install the firmware from the 7.0 directory instead of
82: # from the snapshots dir.
83: # If they're using sysupgrade, then the installer kernel will be correct.
84: # If we're doing this in the installer we can check what they picked
85: # for downloading sets and use that value.
86: # Otherwise, the fw_update after first boot will fix it up for us.
87:
1.7 afresh1 88: HTTP_FWDIR=$FWDIR
1.30 afresh1 89: set -- sed -n "/^OpenBSD $VNAME\([^ ]*\).*$/s//\1/p" /var/run/dmesg.boot
1.7 afresh1 90: [[ $1 == -!(stable) ]] && HTTP_FWDIR=snapshots
91:
92: FWURL=http://firmware.openbsd.org/firmware/${HTTP_FWDIR}
93: FWPUB_KEY=${DESTDIR}/etc/signify/openbsd-${VERSION}-fw.pub
1.20 afresh1 94: FWPATTERNS="file:${0%/*}/firmware_patterns"
1.1 afresh1 95:
1.20 afresh1 96: # TODO: support srclocal installation of firmware somehow
1.11 afresh1 97: fw_update() {
1.24 afresh1 98: local _src=$1 _tmpfs_list _tmpfs _tmpsrc \
1.27 afresh1 99: _t=Get _cfile="/tmp/SHA256" _pkgdir=${DESTDIR}/var/db/pkg \
1.25 afresh1 100: _f _r _remove _i _installed
101: local _srclocal=false _unpriv=unpriv
1.26 afresh1 102:
103: echo "Let's $MODE firmware!"
1.15 afresh1 104: local _d _drivers=$(
1.11 afresh1 105: last=''
1.24 afresh1 106: $_unpriv ftp -D "Detecting" -Vmo- $FWPATTERNS |
1.15 afresh1 107: while read _d _m; do
1.11 afresh1 108: grep=grep
1.15 afresh1 109: [ "$last" = "$_d" ] && continue
110: [ "$_m" ] || _m="^$_d[0-9][0-9]* at "
111: [ "$_m" = "${_m#^}" ] && grep=fgrep
112: $grep -q "$_m" /var/run/dmesg.boot || continue
113: echo $_d
114: last=$_d
1.11 afresh1 115: done
116: )
117:
118: if [ -z "$_drivers" ]; then
1.22 afresh1 119: echo "No devices found which need firmware files to be downloaded."
1.11 afresh1 120: return
121: fi
1.1 afresh1 122:
1.22 afresh1 123: ! _tmpfs_list=$(prefetcharea_fs_list) &&
124: echo "Cannot determine prefetch area" >&2 && return
125:
126: for _tmpfs in $_tmpfs_list; do
127: # Try to clean up from previous runs, assuming
128: # the _tmpfs selection yields the same mount
129: # point.
130: for _tmpsrc in $_tmpfs/firmware.+([0-9]).+([0-9]); do
131: [[ -d $_tmpsrc ]] && rm -r $_tmpsrc
132: done
133:
134: # Create a download directory for the firmware and
135: # check that the _sndio user can read files from
136: # it. Otherwise cleanup and skip the filesystem.
137: if _tmpsrc=$(tmpdir "$_tmpfs/firmware"); then
138: (
139: >$_tmpsrc/t &&
140: $_unpriv cat $_tmpsrc/t
141: ) >/dev/null 2>&1 && break ||
142: rm -r $_tmpsrc
143: fi
144: done
1.1 afresh1 145:
1.11 afresh1 146: [[ ! -d $_tmpsrc ]] &&
1.22 afresh1 147: echo "Cannot create prefetch area" >&2 && return 1
1.1 afresh1 148:
1.16 afresh1 149: # Cleanup from previous runs.
150: rm -f $_cfile $_cfile.sig
151:
1.21 afresh1 152: _t=Get/Verify
1.17 afresh1 153:
1.11 afresh1 154: ! $_unpriv ftp -D "$_t" -Vmo - "$_src/SHA256.sig" >"$_cfile.sig" &&
1.22 afresh1 155: echo "Cannot fetch SHA256.sig" >&2 && return 1
1.1 afresh1 156:
1.11 afresh1 157: # Verify signature file with public keys.
1.24 afresh1 158: ! $_unpriv -f "$_cfile" \
1.11 afresh1 159: signify -Vep $FWPUB_KEY -x "$_cfile.sig" -m "$_cfile" &&
1.22 afresh1 160: echo "Signature check of SHA256.sig failed" >&2 && return 1
1.11 afresh1 161:
1.15 afresh1 162: for _d in $_drivers; do
163: _f=$( sed -n "s/.*(\($_d-firmware-.*\.tgz\)).*/\1/p" "$_cfile" )
1.19 afresh1 164: _installed=$(
1.22 afresh1 165: for fw in "${_pkgdir}/$_d-firmware"*; do
1.19 afresh1 166: [ -e "$fw" ] || continue
167: echo ${fw##*/}
168: done
1.21 afresh1 169: )
1.15 afresh1 170:
171: for _i in $_installed; do
172: if [ "$_f" = "$_i.tgz" ]; then
1.24 afresh1 173: echo "$_i already installed"
1.11 afresh1 174: continue 2
1.1 afresh1 175: fi
176: done
177:
1.11 afresh1 178: rm -f /tmp/h /tmp/fail
179:
180: # Fetch firmware file and create a checksum by piping through
181: # sha256. Create a flag file in case ftp failed. Firmware
182: # from net is written to the prefetch area.
183: ( $_unpriv ftp -D "$_t" -Vmo - "$_src/$_f" || >/tmp/fail ) |
184: ( $_srclocal && unpriv2 sha256 -b >/tmp/h ||
185: unpriv2 -f /tmp/h sha256 -bph /tmp/h >"$_tmpsrc/$_f" )
186:
187: # Handle failed transfer.
188: if [[ -f /tmp/fail ]]; then
189: rm -f "$_tmpsrc/$_f"
1.22 afresh1 190: echo "Fetching of $_f failed!" >&2
191: continue
1.11 afresh1 192: fi
193:
194: # Verify firmware by comparing its checksum with SHA256.
1.22 afresh1 195: if ! fgrep -qx "SHA256 ($_f) = $(</tmp/h)" "$_cfile"; then
1.11 afresh1 196: [[ -d "$_tmpsrc" ]] && rm -rf "$_tmpsrc"
1.22 afresh1 197: echo "Checksum test for $_f failed." >&2
198: continue
1.11 afresh1 199: fi
200:
201: # TODO: Check hash for files before deleting
1.22 afresh1 202: if [ "$_installed" ] && [ -e "${_pkgdir}/$_installed/+CONTENTS" ]; then
1.18 afresh1 203: echo "Uninstalling $_installed"
1.22 afresh1 204: cwd=${_pkgdir}/$_installed
1.11 afresh1 205:
206: set -A _remove -- "${cwd}/+CONTENTS" "${cwd}"
207:
208: while read c g; do
209: case $c in
1.27 afresh1 210: @cwd) cwd="${DESTDIR}/$g"
1.11 afresh1 211: ;;
212: @*) continue
213: ;;
214: *) set -A _remove -- "$cwd/$c" "${_remove[@]}"
215: ;;
216: esac
1.22 afresh1 217: done < "${_pkgdir}/$_installed/+CONTENTS"
1.11 afresh1 218:
1.21 afresh1 219: # We specifically rm -f here because not removing files/dirs
220: # is probably not worth failing over.
1.11 afresh1 221: for _r in "${_remove[@]}" ; do
222: if [ -d "$_r" ]; then
223: # Try hard not to actually remove recursively
224: # without rmdir on the install media.
225: [ "$_r/*" = $( echo "$_r"/* ) ] && rm -rf "$_r"
226: else
227: rm -f "$_r"
228: fi
229: done
230: fi
231:
1.21 afresh1 232: # TODO: Should we mark these so real fw_update can -Drepair?
1.25 afresh1 233: ftp -D "Install" -Vmo- "file:$_tmpsrc/$_f" |
234: tar -s ",^\+,${_pkgdir}/${_f%.tgz}/+," \
1.28 afresh1 235: -s ",^firmware,${DESTDIR}/etc/firmware," \
1.25 afresh1 236: -C / -zxphf - "+*" "firmware/*"
1.23 afresh1 237:
1.22 afresh1 238: ed -s "${_pkgdir}/${_f%.tgz}/+CONTENTS" <<EOL
1.1 afresh1 239: /^@comment pkgpath/ -1a
240: @option manual-installation
241: @option firmware
242: @comment install-script
243: .
244: w
245: EOL
1.11 afresh1 246: done
247: }
1.1 afresh1 248:
1.24 afresh1 249: fw_update "$FWURL"
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