package/webif/files/www/cgi-bin/webif/system-upgrade.sh

   1 #!/usr/bin/webif-page -p /bin/sh
   2 . /usr/lib/webif/webif.sh
   3
   4 do_upgrade() {
   5         # free some memory :)
   6         ps | grep -vE 'Command|init|\[[kbmj]|httpd|haserl|bin/sh|awk|kill|ps|webif' | awk '{ print $1 }' | xargs kill -KILL
   7         MEMFREE="$(awk 'BEGIN{ mem = 0 } ($1 == "MemFree:") || ($1 == "Cached:") {mem += int($2)} END{print mem}' /proc/meminfo)"
   8         empty "$ERASE_FS" || MTD_OPT="-e linux"
   9         if [ $(($MEMFREE)) -ge 4096 ]; then
  10                 bstrip "$BOUNDARY" > /tmp/firmware.bin
  11                 mtd $MTD_OPT -q -r write /tmp/firmware.bin linux
  12         else
  13                 # Not enough memory for storing the firmware on tmpfs
  14                 bstrip "$BOUNDARY" | mtd $MTD_OPT -q -q -r write - linux
  15         fi
  16         echo "@TR<<done>>."
  17 }
  18
  19 read_var() {
  20         NAME=""
  21         while :; do
  22                 read LINE
  23                 LINE="${LINE%%[^0-9A-Za-z]}"
  24                 equal "$LINE" "$BOUNDARY" && read LINE
  25                 empty "$NAME$LINE" && exit
  26                 case "${LINE%%:*}" in
  27                         Content-Disposition)
  28                                 NAME="${LINE##*; name=\"}"
  29                                 NAME="${NAME%%\"*}"
  30                         ;;
  31                 esac
  32                 empty "$LINE" && return
  33         done
  34 }
  35
  36
  37 NOINPUT=1
  38 header "System" "Firmware Upgrade" "@TR<<Firmware Upgrade>>"
  39
  40 equal "$REQUEST_METHOD" "GET" && {
  41         cat <<EOF
  42         <script type="text/javascript">
  43
  44 function statusupdate() {
  45         document.getElementById("form_submit").style.display = "none";
  46         document.getElementById("status_text").style.display = "inline";
  47
  48         return true;
  49 }
  50 function printStatus() {
  51         document.write('<div style="display: none; font-size: 14pt; font-weight: bold;" id="status_text" />@TR<<Upgrading...>>&nbsp;</div>');
  52 }
  53         </script>
  54         <form method="POST" name="upgrade" action="$SCRIPT_NAME" enctype="multipart/form-data" onSubmit="statusupdate()">
  55         <table style="width: 90%; text-align: left;" border="0" cellpadding="2" cellspacing="2" align="center">
  56         <tbody>
  57                 <tr>
  58                         <td>@TR<<Options>>:</td>
  59                         <td>
  60                                 <input type="checkbox" name="erase_fs" value="1" />@TR<<Erase_JFFS2|Erase JFFS2 partition>>
  61                         </td>
  62                 </tr>
  63                 <tr>
  64                         <td>@TR<<Firmware_image|Firmware image to upload:>></td>
  65                         <td>
  66                                 <input type="file" name="firmware" />
  67                         </td>
  68                 </tr>
  69                 <tr>
  70                         <td />
  71                         <td>
  72                                 <script type="text/javascript">printStatus()</script>
  73                                 <input id="form_submit" type="submit" name="submit" value="@TR<<Upgrade>>" onClick="statusupdate()" />
  74                         </td>
  75                 </tr>
  76         </tbody>
  77         </table>
  78         </form>
  79 EOF
  80 }
  81 equal "$REQUEST_METHOD" "POST" && {
  82         equal "${CONTENT_TYPE%%;*}" "multipart/form-data" || ERR=1
  83         BOUNDARY="${CONTENT_TYPE##*boundary=}"
  84         empty "$BOUNDARY" && ERR=1
  85
  86         empty "$ERR" || {
  87                 echo "Wrong data format"
  88                 footer
  89                 exit
  90         }
  91 cat <<EOF
  92         <div style="margin: auto; text-align: left">
  93 <pre>
  94 EOF
  95         while :; do
  96                 read_var
  97                 empty "$NAME" && exit
  98                 case "$NAME" in
  99                         erase_fs)
 100                                 ERASE_FS=1
 101                                 bstrip "$BOUNDARY" > /dev/null
 102                         ;;
 103                         firmware) do_upgrade;;
 104                 esac
 105         done
 106 cat <<EOF
 107         </div>
 108 EOF
 109 }
 110
 111 footer
 112
 113 ##WEBIF:name:System:400:Firmware Upgrade