satip-axe/fs-add/sbin/upgrade-fw

#!/bin/sh

FILE="$1"
MTDDEV="/dev/mtd3"
SAFEFILE="/root/new.fw"
CHECKSTR="Linux-2.6.32.42_stm24_0208-idl4k"
GITHUB1="https://github.com/perexg/satip-axe/tree/master/dist"
GITHUB2="https://github.com/perexg/satip-axe/blob/master/dist/$FILE?raw=true"

if test "$PWD" != "/root" -a "$PWD" != "/"; then
  echo "Run this utility from / or /root directory"
  exit 1
fi

if test "$FILE" = "-h" -o "$FILE" = "--help"; then
  echo "Usage: $0 FIRMWARE"
  exit 1
fi

if test -z "$FILE"; then
  echo "Trying to fetch the list of available firmware files:"
  if ! wget -q -O /root/list.txt "$GITHUB1"; then
    echo "FAILED"
    exit 1
  fi
  grep -o -E ">satip-axe-.*.fw<" /root/list.txt | grep -o -E "satip-axe.*.fw"
  rm /root/list.txt
  exit 0
fi

if ! test -r "$FILE"; then
  echo "Downloading $FILE:"
  if ! wget -O "$SAFEFILE" "$GITHUB2/$FILE"; then
    echo "Unable to fetch firmware file $GITHUB2"
    exit 1
  fi
  FILE="$SAFEFILE"
fi

if ! grep "$CHECKSTR" "$FILE" > /dev/null; then
  echo "$FILE does not appear to be the satip-axe firmware!"
  exit 1
fi

if test "$FILE" != "$SAFEFILE"; then
  if ! cp "$FILE" "$SAFEFILE"; then
    echo "Copy error..."
    exit 1
  fi
fi

echo "Preparing to flash - killing minisatip, unmounting USB sticks"
umount /media/*
touch /tmp/nosatip
killall -9 minisatip
sync ; sync

sleep 3

first=true
second=true
while test 1 -eq 1; do
  FILESIZE=$(stat -c "%s" "$SAFEFILE")
  if test -z "$FILESIZE" -o $FILESIZE -le 0; then
    echo "Unable to determine file size for $SAFEFILE"
    exit 1
  fi
  echo "Verifying... Dumping current flash contents."
  nanddump -f "$SAFEFILE.old" -l "$FILESIZE" "$MTDDEV"
  FILESIZE2=$(stat -c "%s" "$SAFEFILE.old")
  if test "$FILESIZE" -gt "$FILESIZE2"; then
    echo "Unable to verify (file sizes does not match - $FILESIZE > $FILESIZE2"
    exit 1
  fi
  if ! dd if=/dev/null seek="$FILESIZE" bs=1 of="$SAFEFILE.old" 2> /dev/null; then
    echo "DD truncate failed"
    exit 1
  fi
  FILESIZE2=$(stat -c "%s" "$SAFEFILE.old")
  if test "$FILESIZE" != "$FILESIZE2"; then
    echo "Unable to verify (file sizes does not match - $FILESIZE != $FILESIZE2"
    exit 1
  fi
  result=$(diff "$SAFEFILE.old" "$SAFEFILE")
  if test -z "$result"; then
    echo "Verify OK. Flash write successful."
    echo "Type 'reboot' now..."
    rm -f "$SAFEFILE" "$SAFEFILE.old"
    exit 0
  fi
  rm -f "$FILESIZE.old"
  if test "$first" != "true"; then
    echo "** Flash contents do not match. **"
    if test "$second" != "true"; then
      echo "** Flashing failed. Consider to use an USB stick to recover. **"
    fi
    echo -n "Repeat the flash write? Use 'Ctrl-C' to abort or Enter to repeat: "
    read i
    second=
  fi
  echo "Flashing..."
  nandwrite2 -p "$MTDDEV" "$SAFEFILE"
  first=
done