scripts/boot/9990-mount-http.sh

   1 #!/bin/sh
   2
   3 #set -e
   4
   5 do_httpmount ()
   6 {
   7         rc=1
   8
   9         for webfile in HTTPFS FTPFS FETCH
  10         do
  11                 local url="$(eval echo \"\$\{${webfile}\}\")"
  12                 local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
  13
  14                 if [ -n "$url" ]
  15                 then
  16                         case "${extension}" in
  17                                 iso|squashfs|tgz|tar)
  18                                         if [ "${extension}" = "iso" ]
  19                                         then
  20                                                 mkdir -p "${alt_mountpoint}"
  21                                                 dest="${alt_mountpoint}"
  22                                         else
  23                                                 local dest="${mountpoint}/${LIVE_MEDIA_PATH}"
  24                                                 mount -t ramfs ram "${mountpoint}"
  25                                                 mkdir -p "${dest}"
  26                                         fi
  27                                         if [ "${webfile}" = "FETCH" ]
  28                                         then
  29                                                 case "$url" in
  30                                                         tftp*)
  31                                                                 ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
  32                                                                 rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
  33                                                                 lfile="$(basename $url)"
  34                                                                 log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
  35                                                                 tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
  36                                                         ;;
  37
  38                                                         *)
  39                                                                 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
  40                                                                 wget "${url}" -O "${dest}/$(basename ${url})"
  41                                                                 ;;
  42                                                 esac
  43                                         else
  44                                                 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
  45                                                 if [ "${webfile}" = "FTPFS" ]
  46                                                 then
  47                                                         FUSE_MOUNT="curlftpfs"
  48                                                         url="$(dirname ${url})"
  49                                                 else
  50                                                         FUSE_MOUNT="httpfs"
  51                                                 fi
  52                                                 modprobe fuse
  53                                                 $FUSE_MOUNT "${url}" "${dest}"
  54                                                 ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
  55                                         fi
  56                                         [ ${?} -eq 0 ] && rc=0
  57                                         [ "${extension}" = "tgz" ] && live_dest="ram"
  58                                         if [ "${extension}" = "iso" ]
  59                                         then
  60                                                 isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
  61                                                 mount -t iso9660 "${isoloop}" "${mountpoint}"
  62                                                 rc=${?}
  63                                         fi
  64                                         break
  65                                         ;;
  66
  67                                 *)
  68                                         log_begin_msg "Unrecognized archive extension for ${url}"
  69                                         ;;
  70                         esac
  71                 fi
  72         done
  73
  74         if [ ${rc} != 0 ]
  75         then
  76                 if [ -d "${alt_mountpoint}" ]
  77                 then
  78                         umount "${alt_mountpoint}"
  79                         rmdir "${alt_mountpoint}"
  80                 fi
  81                 umount "${mountpoint}"
  82         elif [ "${webfile}"  != "FETCH" ] ; then
  83                 NETBOOT="${webfile}"
  84                 export NETBOOT
  85         fi
  86
  87         return ${rc}
  88 }