update.sh

   1 #!/bin/bash
   2 if [[ ! -e "/dev/sda1" ]]; then
   3  exit 1
   4 fi
   5
   6 printf "Found USB... "
   7
   8 umount /dev/sda1 > /dev/null 2>&1
   9 mount /dev/sda1 > /dev/null 2>&1 || (printf "Mount failure\n" && exit 1)
  10
  11 printf "\t\tMount OK\n"
  12
  13 if [[ -e "/mnt/usb-update/config.ini" ]]; then
  14   printf "Found config.ini... "
  15   (cp /mnt/usb-update/config.ini ./ > /dev/null 2>&1 && printf "\tCopy OK\n") || printf "\tCopy failure\n"
  16 fi
  17
  18 if [[ -e "/mnt/usb-update/video.mp4" ]]; then
  19   printf "Found video.mp4... "
  20   (cp /mnt/usb-update/video.mp4 ./ > /dev/null 2>&1 && printf "\tCopy OK\n") || printf "\tCopy failure\n"
  21 fi
  22
  23 if [[ -e "/mnt/usb-update/update.zip" ]] && [[ -e "/mnt/usb-update/update.sig" ]]; then
  24   printf "Updating software... "
  25   openssl dgst -sha256 -verify public.pem -signature /mnt/usb-update/update.sig /mnt/usb-update/update.zip > /dev/null 2>&1
  26   if [[ $? = 0 ]]; then
  27     (unzip -o /mnt/usb-update/update.zip -d /home/pi > /dev/null 2>&1 && printf "\tOK\n") || printf "\tExtract failure\n"
  28     chmod +x start.sh
  29     chmod +x update.sh
  30     chmod +x hdmi-switcher
  31   else
  32     printf "\tSignature failure\n"
  33   fi
  34 fi
  35
  36 umount /dev/sda1 > /dev/null 2>&1