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Annotation of openbsd/fw_update/fw_install.sh, Revision 1.110

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:
1.95      afresh1    18: set -o errexit -o pipefail -o nounset -o noclobber -o noglob
1.85      afresh1    19: set +o monitor
1.77      afresh1    20: export PATH=/usr/bin:/bin:/usr/sbin:/sbin
1.50      afresh1    21:
                     22: CFILE=SHA256.sig
                     23: DESTDIR=${DESTDIR:-}
                     24: FWPATTERNS="${DESTDIR}/usr/share/misc/firmware_patterns"
                     25:
                     26: VNAME=${VNAME:-$(sysctl -n kern.osrelease)}
                     27: VERSION=${VERSION:-"${VNAME%.*}${VNAME#*.}"}
                     28:
                     29: HTTP_FWDIR="$VNAME"
1.52      afresh1    30: VTYPE=$( sed -n "/^OpenBSD $VNAME\([^ ]*\).*$/s//\1/p" \
                     31:     /var/run/dmesg.boot | sed '$!d' )
1.50      afresh1    32: [[ $VTYPE == -!(stable) ]] && HTTP_FWDIR=snapshots
1.22      afresh1    33:
1.50      afresh1    34: FWURL=http://firmware.openbsd.org/firmware/${HTTP_FWDIR}
                     35: FWPUB_KEY=${DESTDIR}/etc/signify/openbsd-${VERSION}-fw.pub
1.8       afresh1    36:
1.97      afresh1    37: VERBOSE=false
1.87      afresh1    38: DOWNLOAD=true
                     39: INSTALL=true
1.69      afresh1    40: LOCALSRC=
                     41:
1.8       afresh1    42: tmpdir() {
                     43:        local _i=1 _dir
                     44:
1.50      afresh1    45:        # If we're not in the installer,
1.79      afresh1    46:        # we have mktemp and a more hostile environment.
1.50      afresh1    47:        if [ -x /usr/bin/mktemp ]; then
                     48:                _dir=$( mktemp -d "${1}-XXXXXXXXX" )
1.44      afresh1    49:        else
1.50      afresh1    50:                until _dir="${1}.$_i.$RANDOM" && mkdir -- "$_dir" 2>/dev/null; do
1.44      afresh1    51:                    ((++_i < 10000)) || return 1
                     52:                done
                     53:        fi
1.50      afresh1    54:
1.8       afresh1    55:        echo "$_dir"
                     56: }
1.6       afresh1    57:
1.50      afresh1    58: fetch() {
1.92      afresh1    59:        local _src="${FWURL}/${1##*/}" _dst=$1 _user=_file _pid _exit _error=''
1.6       afresh1    60:
1.79      afresh1    61:        # If we're not in the installer,
                     62:        # we have su(1) and doas(1) is unlikely to be configured.
1.85      afresh1    63:        set -o monitor # make sure ftp gets its own process group
                     64:        (
1.101     afresh1    65:        flags=-VM
                     66:        "$VERBOSE" && flags=-vm
1.53      afresh1    67:        if [ -x /usr/bin/su ]; then
1.85      afresh1    68:                exec /usr/bin/su -s /bin/ksh "$_user" -c \
1.101     afresh1    69:                    "/usr/bin/ftp -D 'Get/Verify' $flags -o- '$_src'" > "$_dst"
1.42      afresh1    70:        else
1.85      afresh1    71:                exec /usr/bin/doas -u "$_user" \
1.101     afresh1    72:                    /usr/bin/ftp -D 'Get/Verify' $flags -o- "$_src" > "$_dst"
1.42      afresh1    73:        fi
1.85      afresh1    74:        ) & _pid=$!
                     75:        set +o monitor
                     76:
1.98      afresh1    77:        trap "kill -TERM '-$_pid' 2>/dev/null; exit 1" EXIT INT QUIT ABRT TERM
1.85      afresh1    78:
                     79:        SECONDS=0
                     80:        _last=0
                     81:        while kill -0 -"$_pid" 2>/dev/null; do
                     82:                if [[ $SECONDS -gt 12 ]]; then
                     83:                        set -- $( ls -ln "$_dst" 2>/dev/null )
                     84:                        if [[ $_last -ne $5 ]]; then
                     85:                                _last=$5
                     86:                                SECONDS=0
                     87:                                sleep 1
                     88:                        else
                     89:                                kill -INT -"$_pid"
1.92      afresh1    90:                                _error=" (timed out)"
1.85      afresh1    91:                        fi
                     92:                else
                     93:                        sleep 1
                     94:                fi
                     95:        done
                     96:
                     97:        set +o errexit
                     98:        wait "$_pid"
                     99:        _exit=$?
                    100:        set -o errexit
                    101:
                    102:        trap "" EXIT INT QUIT ABRT TERM
1.6       afresh1   103:
1.50      afresh1   104:        if [ "$_exit" -ne 0 ]; then
1.69      afresh1   105:                rm -f "$_dst"
1.92      afresh1   106:                echo "Cannot fetch $_src$_error" >&2
1.50      afresh1   107:                return 1
                    108:        fi
1.6       afresh1   109: }
                    110:
1.50      afresh1   111: verify() {
                    112:        # On the installer we don't get sha256 -C, so fake it.
1.69      afresh1   113:        if ! fgrep -qx "SHA256 (${1##*/}) = $( /bin/sha256 -qb "$1" )" "$CFILE"; then
                    114:                echo "Checksum test for ${1##*/} failed." >&2
1.50      afresh1   115:                return 1
                    116:        fi
1.6       afresh1   117: }
                    118:
1.50      afresh1   119: devices_needing_firmware() {
1.90      afresh1   120:        local _d _m _line _dmesgtail _last='' _nl=$( echo )
1.1       afresh1   121:
1.50      afresh1   122:        # When we're not in the installer, the dmesg.boot can
                    123:        # contain multiple boots, so only look in the last one
1.89      afresh1   124:        _dmesgtail="$( echo ; sed -n 'H;/^OpenBSD/h;${g;p;}' /var/run/dmesg.boot |
                    125:            grep -e "^[a-z][a-z]*[0-9]" -e " not configured " )"
1.50      afresh1   126:
1.89      afresh1   127:        grep -v '^[[:space:]]*#' "$FWPATTERNS" |
                    128:            while read -r _d _m; do
                    129:                [ "$_d" = "$_last" ] && continue
1.90      afresh1   130:                [ "$_m" ]             || _m="${_nl}${_d}[0-9] at "
                    131:                [ "$_m" = "${_m#^}" ] || _m="${_nl}${_m#^}"
1.83      afresh1   132:
1.89      afresh1   133:                if [[ $_dmesgtail = *$_m* ]]; then
                    134:                        echo "$_d"
                    135:                        _last="$_d"
                    136:                fi
                    137:            done
1.50      afresh1   138: }
1.14      afresh1   139:
1.50      afresh1   140: firmware_filename() {
1.56      afresh1   141:        local _f
                    142:        _f="$( sed -n "s/.*(\($1-firmware-.*\.tgz\)).*/\1/p" "$CFILE" | sed '$!d' )"
                    143:        ! [ "$_f" ] && echo "Unable to find firmware for $1" >&2 && return 1
                    144:        echo "$_f"
1.50      afresh1   145: }
1.7       afresh1   146:
1.57      afresh1   147: firmware_devicename() {
                    148:        local _d="${1##*/}"
                    149:        _d="${_d%-firmware-*}"
                    150:        echo "$_d"
                    151: }
                    152:
1.50      afresh1   153: installed_firmware() {
1.110   ! afresh1   154:        local _pre="$1" _match="$2" _post="$3" _firmware
1.109     afresh1   155:        set -A _firmware -- $(
                    156:            set +o noglob
                    157:            grep -Fxl '@option firmware' \
1.110   ! afresh1   158:                "${DESTDIR}/var/db/pkg/"$_pre"$_match"$_post"/+CONTENTS" \
1.109     afresh1   159:                2>/dev/null || true
                    160:            set -o noglob
                    161:        )
                    162:
                    163:        [ "${_firmware[*]:-}" ] || return 0
                    164:        for fw in "${_firmware[@]}"; do
                    165:                fw="${fw%/+CONTENTS}"
1.50      afresh1   166:                echo "${fw##*/}"
                    167:        done
                    168: }
1.1       afresh1   169:
1.50      afresh1   170: add_firmware () {
1.106     afresh1   171:        local _f="${1##*/}" _pkgname
                    172:        local _tmpdir="$( tmpdir "${DESTDIR}/var/db/pkg/.firmware" )"
1.101     afresh1   173:        local flags=-VM
                    174:        "$VERBOSE" && flags=-vm
                    175:        ftp -D "Install" "$flags" -o- "file:${1}" |
1.106     afresh1   176:                tar -s ",^\+,${_tmpdir}/+," \
1.69      afresh1   177:                    -s ",^firmware,${DESTDIR}/etc/firmware," \
                    178:                    -C / -zxphf - "+*" "firmware/*"
1.1       afresh1   179:
1.106     afresh1   180:        _pkgname="$( sed -n '/^@name /{s///p;q;}' "${_tmpdir}/+CONTENTS" )"
                    181:        if [ ! "$_pkgname" ]; then
                    182:                echo "Failed to extract name from $1, partial install" 2>&1
                    183:                rm -rf "$_tmpdir"
                    184:                return 1
                    185:        fi
                    186:
1.50      afresh1   187:        # TODO: Should we mark these so real fw_update can -Drepair?
1.106     afresh1   188:        ed -s "${_tmpdir}/+CONTENTS" <<EOL
1.50      afresh1   189: /^@comment pkgpath/ -1a
                    190: @option manual-installation
                    191: @option firmware
                    192: @comment install-script
                    193: .
                    194: w
                    195: EOL
1.106     afresh1   196:
                    197:        chmod 755 "$_tmpdir"
                    198:        mv "$_tmpdir" "${DESTDIR}/var/db/pkg/${_pkgname}"
1.50      afresh1   199: }
1.22      afresh1   200:
1.50      afresh1   201: delete_firmware() {
1.51      afresh1   202:        local _cwd _pkg="$1" _pkgdir="${DESTDIR}/var/db/pkg"
1.22      afresh1   203:
1.50      afresh1   204:        # TODO: Check hash for files before deleting
1.101     afresh1   205:        "$VERBOSE" && echo "Uninstalling $_pkg"
1.51      afresh1   206:        _cwd="${_pkgdir}/$_pkg"
1.50      afresh1   207:
1.107     afresh1   208:        if [ ! -e "$_cwd/+CONTENTS" ] ||
                    209:            ! grep -Fxq '@option firmware' "$_cwd/+CONTENTS"; then
                    210:                echo "${0##*/}: $_pkg does not appear to be firmware" >&2
                    211:                return 2
                    212:        fi
                    213:
1.51      afresh1   214:        set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"
1.50      afresh1   215:
                    216:        while read -r c g; do
                    217:                case $c in
1.51      afresh1   218:                @cwd) _cwd="${DESTDIR}$g"
1.50      afresh1   219:                  ;;
                    220:                @*) continue
                    221:                  ;;
1.52      afresh1   222:                *) set -A _remove -- "$_cwd/$c" "${_remove[@]}"
1.50      afresh1   223:                  ;;
                    224:                esac
                    225:        done < "${_pkgdir}/${_pkg}/+CONTENTS"
                    226:
                    227:        # We specifically rm -f here because not removing files/dirs
                    228:        # is probably not worth failing over.
                    229:        for _r in "${_remove[@]}" ; do
                    230:                if [ -d "$_r" ]; then
                    231:                        # Try hard not to actually remove recursively
                    232:                        # without rmdir on the install media.
1.95      afresh1   233:                        set +o noglob
1.50      afresh1   234:                        [ "$_r/*" = "$( echo "$_r"/* )" ] && rm -rf "$_r"
1.95      afresh1   235:                        set -o noglob
1.50      afresh1   236:                else
                    237:                        rm -f "$_r"
1.22      afresh1   238:                fi
                    239:        done
1.50      afresh1   240: }
1.1       afresh1   241:
1.59      afresh1   242: usage() {
1.108     afresh1   243:        echo "usage:  ${0##*/} [-D | -L] [-v] [driver | file ...]"
1.59      afresh1   244:        exit 2
                    245: }
                    246:
1.87      afresh1   247: OPT_D=
                    248: OPT_L=
1.100     afresh1   249: while getopts :DLv name
1.59      afresh1   250: do
                    251:        case "$name" in
1.87      afresh1   252:        D) OPT_D=true ;;
                    253:        L) OPT_L=true ;;
1.97      afresh1   254:        v) VERBOSE=true ;;
1.99      afresh1   255:        ?) echo "${0##*/}: unknown option -- -$OPTARG"; usage 2 ;;
1.59      afresh1   256:        esac
                    257: done
                    258: shift $((OPTIND - 1))
                    259:
1.87      afresh1   260: [ "$OPT_D" ] && [ "$OPT_L" ] && usage 1
                    261:
                    262: if [ "$OPT_D" ]; then
                    263:        # "Download only" means local dir and don't install
                    264:        INSTALL=false
                    265:        LOCALSRC=.
                    266: elif [ "$OPT_L" ]; then
                    267:        # "Local" means don't download, install from local dir
                    268:        DOWNLOAD=false
                    269:        LOCALSRC=.
                    270: else
1.102     afresh1   271:        LOCALSRC="$( tmpdir "${DESTDIR}/tmp/${0##*/}" )"
1.87      afresh1   272: fi
1.64      afresh1   273:
1.78      afresh1   274: CFILE="$LOCALSRC/$CFILE"
                    275:
1.104     afresh1   276: if "$INSTALL" && [ -x /usr/bin/id ] && [ "$(/usr/bin/id -u)" != 0 ]; then
1.94      afresh1   277:        echo "need root privileges" >&2
                    278:        exit 1
                    279: fi
                    280:
1.58      afresh1   281: set -A devices -- "$@"
                    282:
1.65      afresh1   283: if [ ! "${devices[*]:-}" ]; then
1.101     afresh1   284:        "$VERBOSE" && echo -n "Detecting firmware ..."
1.91      afresh1   285:        set -A devices -- $( devices_needing_firmware )
1.101     afresh1   286:        "$VERBOSE" &&
                    287:            { [ "${devices[*]:-}" ] && echo " found." || echo " done." ; }
1.50      afresh1   288: fi
1.91      afresh1   289:
                    290: [ "${devices[*]:-}" ] || exit
1.50      afresh1   291:
1.71      afresh1   292: if "$DOWNLOAD"; then
1.64      afresh1   293:        fetch "$CFILE"
                    294:        ! signify -qVep "$FWPUB_KEY" -x "$CFILE" -m "$CFILE" &&
                    295:            echo "Signature check of SHA256.sig failed" >&2 && exit 1
                    296: fi
1.50      afresh1   297:
1.103     afresh1   298: added=''
                    299: updated=''
1.70      afresh1   300: for f in "${devices[@]}"; do
                    301:        d="$( firmware_devicename "$f" )"
                    302:
1.58      afresh1   303:        if [ "$f" = "$d" ]; then
                    304:                f=$( firmware_filename "$d" || true )
                    305:                [ "$f" ] || continue
1.69      afresh1   306:                f="$LOCALSRC/$f"
1.76      afresh1   307:        elif ! "$INSTALL" && ! grep -Fq "($f)" "$CFILE" ; then
1.70      afresh1   308:                echo "Cannot download local file $f" >&2
                    309:                exit 2
1.58      afresh1   310:        fi
                    311:
1.110   ! afresh1   312:        set -A installed -- $( installed_firmware '' "$d-firmware-" '*' )
1.50      afresh1   313:
1.68      afresh1   314:        if "$INSTALL" && [ "${installed[*]:-}" ]; then
1.65      afresh1   315:                for i in "${installed[@]}"; do
1.58      afresh1   316:                        if [ "${f##*/}" = "$i.tgz" ]; then
1.101     afresh1   317:                                "$VERBOSE" && echo "$i already installed"
1.11      afresh1   318:                                continue 2
1.1       afresh1   319:                        fi
                    320:                done
1.50      afresh1   321:        fi
1.1       afresh1   322:
1.72      afresh1   323:        if [ -e "$f" ]; then
                    324:                if "$DOWNLOAD"; then
1.101     afresh1   325:                        "$VERBOSE" && echo "Verify existing ${f##*/}"
1.72      afresh1   326:                        verify "$f" || continue
                    327:                # else assume it was verified when downloaded
                    328:                fi
1.75      afresh1   329:        elif "$DOWNLOAD"; then
                    330:                fetch  "$f" || continue
                    331:                verify "$f" || continue
                    332:        elif "$INSTALL"; then
1.72      afresh1   333:                echo "Cannot install ${f##*/}, not found" >&2
                    334:                continue
1.58      afresh1   335:        fi
1.60      afresh1   336:
1.68      afresh1   337:        "$INSTALL" || continue
1.11      afresh1   338:
1.103     afresh1   339:        removed=false
1.65      afresh1   340:        if [ "${installed[*]:-}" ]; then
1.50      afresh1   341:                for i in "${installed[@]}"; do
                    342:                        delete_firmware "$i"
1.103     afresh1   343:                        removed=true
1.50      afresh1   344:                done
                    345:        fi
1.11      afresh1   346:
1.50      afresh1   347:        add_firmware "$f"
1.103     afresh1   348:
                    349:        if "$removed"; then
                    350:                [ "$updated" ] && updated="$updated,"
                    351:                updated="$updated$d"
                    352:        else
                    353:                [ "$added" ] && added="$added,"
                    354:                added="$added$d"
                    355:        fi
1.50      afresh1   356: done
1.1       afresh1   357:
1.103     afresh1   358: if ! $VERBOSE && { [ "$added" ] || [ "$updated" ]; }; then
                    359:        echo  "${0##*/}: $(
                    360:            [ "$added" ] && echo -n "added ${added}"
                    361:            [ "$added" ] && [ "$updated" ] && echo -n "; "
                    362:            [ "$updated" ] && echo -n "updated ${updated}"
                    363:        )"
                    364: fi

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