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Diff for /openbsd/fw_update/fw_install.sh between version 1.6 and 1.67

version 1.6, 2021/10/14 02:39:43 version 1.67, 2021/12/11 03:25:09
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 #!/bin/ksh  #!/bin/ksh
 set -e  #       $OpenBSD$
   #
   # Copyright (c) 2021 Andrew Hewus Fresh <afresh1@openbsd.org>
   #
   # Permission to use, copy, modify, and distribute this software for any
   # purpose with or without fee is hereby granted, provided that the above
   # copyright notice and this permission notice appear in all copies.
   #
   # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   
 scan_dmesg() {  set -o errexit -o pipefail -o nounset
         # no bsort for now  
         sed -n "$1" /var/run/dmesg.boot  CFILE=SHA256.sig
   DESTDIR=${DESTDIR:-}
   FWPATTERNS="${DESTDIR}/usr/share/misc/firmware_patterns"
   
   VNAME=${VNAME:-$(sysctl -n kern.osrelease)}
   VERSION=${VERSION:-"${VNAME%.*}${VNAME#*.}"}
   
   HTTP_FWDIR="$VNAME"
   VTYPE=$( sed -n "/^OpenBSD $VNAME\([^ ]*\).*$/s//\1/p" \
       /var/run/dmesg.boot | sed '$!d' )
   [[ $VTYPE == -!(stable) ]] && HTTP_FWDIR=snapshots
   
   FWURL=http://firmware.openbsd.org/firmware/${HTTP_FWDIR}
   FWPUB_KEY=${DESTDIR}/etc/signify/openbsd-${VERSION}-fw.pub
   
   tmpdir() {
           local _i=1 _dir
   
           # If we're not in the installer,
           # we have mktemp and a more hostile environment
           if [ -x /usr/bin/mktemp ]; then
                   _dir=$( mktemp -d "${1}-XXXXXXXXX" )
           else
                   until _dir="${1}.$_i.$RANDOM" && mkdir -- "$_dir" 2>/dev/null; do
                       ((++_i < 10000)) || return 1
                   done
           fi
   
           echo "$_dir"
 }  }
   
 installed_firmware() {  realpath () {
         for fw in ${PKGDIR}/$1-firmware*; do          if [ -x /usr/bin/realpath ]; then
                 [ -e "$fw" ] || continue                  /usr/bin/realpath "$1"
                 echo ${fw##*/}          elif [ "$1" = "${1%/*}" ]; then
         done                  echo "${PWD}/$1"
           else
                   echo "$( cd "${1%/*}" && pwd )/${1##*/}"
           fi
 }  }
   
 # do_as, unpriv, and unpriv2 are from install.sub  fetch() {
           local _file=$1 _user=_file _exit
   
 # Run a command ($2+) as unprivileged user ($1).          # If we're not in the installer, we have su(1)
 # Take extra care that after "cmd" no "user" processes exist.          # and doas(1) is unlikely to be configured.
 #          if [ -x /usr/bin/su ]; then
 # Optionally:                  /usr/bin/su -s /bin/ksh "$_user" -c \
 #       - create "file" and chown it to "user"                      "/usr/bin/ftp -D 'Get/Verify' -Vm \
 #       - after "cmd", chown "file" back to root                          -o- '${FWURL}/${_file}'" > "$_file"
 #                  _exit="$?"
 # Usage: do_as user [-f file] cmd          else
 do_as() {                  /usr/bin/doas -u "$_user" \
         (( $# >= 2 )) || return                      ftp -D 'Get/Verify' -Vm \
                           -o- "${FWURL}/${_file}" > "$_file"
                   _exit="$?"
           fi
   
         local _file _rc _user=$1          if [ "$_exit" -ne 0 ]; then
         shift                  rm -f "$_file"
                   echo "Cannot fetch $_file" >&2
         if [[ $1 == -f ]]; then                  return 1
                 _file=$2  
                 shift 2  
         fi          fi
   }
   
         if [[ -n $_file ]]; then  verify() {
                 >$_file          # On the installer we don't get sha256 -C, so fake it.
                 chown "$_user" "$_file"          if ! fgrep -qx "SHA256 ($1) = $( /bin/sha256 -qb "$1" )" "$CFILE"; then
                   echo "Checksum test for $1 failed." >&2
                   return 1
         fi          fi
   }
   
         doas -u "$_user" "$@"  devices_needing_firmware() {
         _rc=$?          local _d _m _grep _dmesgtail _last=''
   
         while doas -u "$_user" kill -9 -1 2>/dev/null; do          # When we're not in the installer, the dmesg.boot can
                 echo "Processes still running for user $_user after: $@"          # contain multiple boots, so only look in the last one
                 sleep 1          _dmesgtail=$( sed -n 'H;/^OpenBSD/h;${g;p;}' /var/run/dmesg.boot )
   
           grep -v '^[[:space:]]*#' "$FWPATTERNS" |
               while read -r _d _m; do
                   _grep="grep"
                   [ "$_last" = "$_d" ] && continue
                   [ "$_m" ] || _m="^${_d}[0-9][0-9]* at "
                   [ "$_m" = "${_m#^}" ] && _grep="fgrep"
   
                   echo "$_dmesgtail" | $_grep -q "$_m" || continue
                   echo "$_d"
                   _last="$_d"
         done          done
   }
   
         [[ -n $_file ]] && chown root "$_file"  firmware_filename() {
           local _f
           _f="$( sed -n "s/.*(\($1-firmware-.*\.tgz\)).*/\1/p" "$CFILE" | sed '$!d' )"
           ! [ "$_f" ] && echo "Unable to find firmware for $1" >&2 && return 1
           echo "$_f"
   }
   
         return $_rc  firmware_devicename() {
           local _d="${1##*/}"
           _d="${_d%-firmware-*}"
           echo "$_d"
 }  }
   
 unpriv() {  installed_firmware() {
         do_as _sndio "$@"          for fw in "${DESTDIR}/var/db/pkg/$1-firmware"*; do
                   [ -e "$fw" ] || continue
                   echo "${fw##*/}"
           done
 }  }
   
 unpriv2() {  add_firmware () {
         do_as _file "$@"          local _f="${1##*/}" _pkgdir="${DESTDIR}/var/db/pkg"
           ftp -D "Install" -Vmo- "file:${1}" |
                   tar -s ",^\+,${_pkgdir}/${_f%.tgz}/+," \
                   -s ",^firmware,${DESTDIR}/etc/firmware," \
                   -C / -zxphf - "+*" "firmware/*"
   
           # TODO: Should we mark these so real fw_update can -Drepair?
           ed -s "${_pkgdir}/${_f%.tgz}/+CONTENTS" <<EOL
   /^@comment pkgpath/ -1a
   @option manual-installation
   @option firmware
   @comment install-script
   .
   w
   EOL
 }  }
   
 set -A _KERNV -- $( scan_dmesg '/^OpenBSD \([1-9][0-9]*\.[0-9]\)\([^ ]*\) .*/ { s//\1 \2/p; q; }' )  delete_firmware() {
 VNAME=${_KERNV[0]}          local _cwd _pkg="$1" _pkgdir="${DESTDIR}/var/db/pkg"
 OSDIR=$VNAME  
 if ((${#_KERNV[*]} > 1)) && [ "$_KERNV[1]" = "-current" -o "$_KERNV[1]" = "-beta" ]; then  
         OSDIR=snapshots  
 fi  
   
 FWURL=http://firmware.openbsd.org/firmware/${OSDIR}          # TODO: Check hash for files before deleting
 PKGDIR=${DESTDIR}/var/db/pkg          echo "Uninstalling $_pkg"
 PATTERNS="file:${0%/*}/firmware_patterns"          _cwd="${_pkgdir}/$_pkg"
   
 drivers=$(          set -A _remove -- "${_cwd}/+CONTENTS" "${_cwd}"
         last=''  
         ftp -D "Detecting" -Vmo- $PATTERNS |          while read -r c g; do
         while read d m; do                  case $c in
                 grep=grep                  @cwd) _cwd="${DESTDIR}$g"
                 [ "$last" = "$d" ] && continue                    ;;
                 [ "$m" ] || m="^$d[0-9][0-9]* at "                  @*) continue
                 [ "$m" = "${m#^}" ] && grep=fgrep                    ;;
                 $grep -q "$m" /var/run/dmesg.boot || continue                  *) set -A _remove -- "$_cwd/$c" "${_remove[@]}"
                 echo $d                    ;;
                 last=$d                  esac
           done < "${_pkgdir}/${_pkg}/+CONTENTS"
   
           # We specifically rm -f here because not removing files/dirs
           # is probably not worth failing over.
           for _r in "${_remove[@]}" ; do
                   if [ -d "$_r" ]; then
                           # Try hard not to actually remove recursively
                           # without rmdir on the install media.
                           [ "$_r/*" = "$( echo "$_r"/* )" ] && rm -rf "$_r"
                   else
                           rm -f "$_r"
                   fi
         done          done
 )  }
   
 if [ -z "$drivers" ]; then  usage() {
         echo "No devices found which need firmware files to be downloaded." >&2          echo "usage: fw_install [-d dir | -L dir] [driver | file [...]]"
         exit 0          exit 2
   }
   
   DOWNLOADDIR=
   LOCALDIR=
   while getopts d:L: name
   do
          case "$name" in
          d) DOWNLOADDIR=$OPTARG ;;
          L) LOCALDIR=$OPTARG    ;;
          ?) usage 2 ;;
          esac
   done
   shift $((OPTIND - 1))
   
   if [[ -n "$DOWNLOADDIR" && -n "$LOCALDIR" ]]; then
           echo "Cannot use -d and -L" >&2
           usage 2
 fi  fi
   
 tmpdir=${DESTDIR}/tmp/fw_update  set -A devices -- "$@"
 [ -e "$tmpdir" ] && rm -rf "$tmpdir"  
 mkdir -p "$tmpdir"  
 cd "$tmpdir"  
   
 # TODO: Drop privs during fetch and verify  [ "${devices[*]:-}" ] ||
 ftp -D Get -Vm "$FWURL/SHA256.sig"      set -A devices -- $( devices_needing_firmware )
   
 # Probably should bundle the firmware sigfile on the installer,  if [ ! "${devices[*]:-}" ]; then
 # although we can just get it from the recently installed system.          echo "No devices found which need firmware files to be downloaded."
 if [ "$DESTDIR" ]; then          exit
         sigfile=$( sed -n '/^untrusted comment: verify with \(.*\)$/ { s//\1/p; q; }' SHA256.sig )  
         if [ ! -e "/etc/signify/$sigfile" ] \  
           && [ -e "${DESTDIR}/etc/signify/$sigfile" ]; then  
                 cp -a "${DESTDIR}/etc/signify/$sigfile" "/etc/signify/$sigfile"  
         fi  
 fi  fi
   
 signify -Ve -x SHA256.sig -m - < SHA256.sig > SHA256  # Have to find the full path to firmware files
   # so we can cd and still find them later.
   i=0
   while (( i < "${#devices[@]}" )); do
           f="${devices[$i]}"
           d=$( firmware_devicename "$f" )
           if [ -e "$f" ]; then
                   if [ "$DOWNLOADDIR" ]; then
                           echo "Cannot download local file $f" >&2
                           exit 2
                   fi
                   devices[$i]="$d:$( realpath "$f" )"
           fi
           i=$((i + 1))
   done
   
 for d in $drivers; do  if [ "$DOWNLOADDIR" ]; then
         firmware=$( sed -n "s/.*(\($d-firmware-.*\.tgz\)).*/\1/p" SHA256 )          if ! cd "$DOWNLOADDIR"; then
         installed=$( installed_firmware $d )                  echo "Unable to use $DOWNLOADDIR, make sure it is a directory"
                   exit 2
           fi
   elif [ "$LOCALDIR" ]; then
           if ! cd "$LOCALDIR"; then
                   echo "Unable to use $LOCALDIR, make sure it is a directory"
                   exit 2
           fi
   else
           TMPDIR=$( tmpdir "${DESTDIR}/tmp/fw_install" )
           cd "$TMPDIR"
   fi
   
         for i in $installed; do  if ! [[ -n "$LOCALDIR" && -e "$CFILE" ]]; then
                 if [ "$firmware" = "$i.tgz" ]; then          fetch "$CFILE"
                         echo "Firmware for $d already installed ($installed)"          ! signify -qVep "$FWPUB_KEY" -x "$CFILE" -m "$CFILE" &&
                         continue 2              echo "Signature check of SHA256.sig failed" >&2 && exit 1
                 fi  fi
         done  
   
         mkdir $d  for d in "${devices[@]}"; do
           f="${d##*:}"
           if [ "$f" = "$d" ]; then
                   f=$( firmware_filename "$d" || true )
                   [ "$f" ] || continue
           else
                   d="${d%:*}"
           fi
   
         # TODO: Drop privs during fetch and verify          set -A installed -- $( installed_firmware "$d" )
         ftp -D "Get/Verify" -Vmo- "$FWURL/$firmware" | sha256 -bph "$d/h" > "$firmware"  
         fgrep -qx "SHA256 ($firmware) = $(<$d/h)" SHA256  
   
         # TODO: Check hash for files before deleting          if [ ! "$DOWNLOADDIR" ] && [ "${installed[*]:-}" ]; then
         if [ "$installed" ] && [ -e "${PKGDIR}/$installed/+CONTENTS" ]; then                  for i in "${installed[@]}"; do
                 echo "Uninstalling $installed"                          if [ "${f##*/}" = "$i.tgz" ]; then
                 cwd=${PKGDIR}/$installed                                  echo "$i already installed"
                                   continue 2
                           fi
                   done
           fi
   
                 remove="${cwd}/+CONTENTS ${cwd}"          if [ ! -e "$f" ]; then
                   [ "$LOCALDIR" ] && echo "Cannot install $f, not found" >&2 && continue
                   fetch  "$f" || continue
                   verify "$f" || continue
           elif [ "$DOWNLOADDIR" ]; then
                   echo "Already have $f"
                   verify "$f" || continue
           fi
   
                 while read c g; do          [ "$DOWNLOADDIR" ] && continue
                         case $c in  
                         @cwd) cwd=$g  
                           ;;  
                         @*) continue  
                           ;;  
                         *)  remove="$cwd/$c $remove"  
                           ;;  
                         esac  
                 done < "${PKGDIR}/$installed/+CONTENTS"  
   
                 for r in $remove ; do          if [ "${installed[*]:-}" ]; then
                         if [ -d "$r" ]; then                  for i in "${installed[@]}"; do
                                 # Try hard not to actually remove recursively                          delete_firmware "$i"
                                 # without rmdir on the install media.  
                                 [ "$r/*" = $( echo "$r"/* ) ] && rm -rf "$r"  
                         else  
                                 rm -f "$r"  
                         fi  
                 done                  done
         fi          fi
   
         # TODO: Add some details about the install to +CONTENTS like pkg_add          add_firmware "$f"
         # TODO: Or, maybe we save the firmware someplace and make pkg_add reinstall  
         echo "Installing $firmware"  
         tar -zxphf "$firmware" -C /etc "firmware/*"  
         mkdir -p ${PKGDIR}/${firmware%.tgz}/  
         tar -zxphf "$firmware" -C "${PKGDIR}/${firmware%.tgz}" "+*"  
         ed -s "${PKGDIR}/${firmware%.tgz}/+CONTENTS" <<EOL  
 /^@comment pkgpath/ -1a  
 @option manual-installation  
 @option firmware  
 @comment install-script  
 .  
 w  
 EOL  
 done  done
   
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  Added in v.1.67
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