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#!/bin/sh
CONFIG_MTDC=/dev/mtd6
CONFIG_MTDB=/dev/mtdblock6
CONFIG_DIR=/var/config
OEM_MTDC=/dev/mtd7
OEM_MTDB=/dev/mtdblock7
OEM_DIR=/var/oem
FILES="network/interfaces \
ppp/options \
ppp/pap-secrets \
ppp/chap-secrets \
ppp/peers \
"
mount_config() {
echo "Mounting ${CONFIG_DIR}"
mkdir -p ${CONFIG_DIR}
mount ${CONFIG_DIR}
# Prepare flash for JFFS2 if mount fails
if [ $? -ne 0 ]; then
echo "Creating ${CONFIG_DIR}"
flash_erase -j ${CONFIG_MTDC} 0 0
mount ${CONFIG_DIR}
fi
}
mount_oem() {
echo "Mounting ${OEM_DIR}"
mkdir -p ${OEM_DIR}
mount ${OEM_DIR}
# Prepare flash for JFFS2 if mount fails
if [ $? -ne 0 ]; then
echo "Creating ${OEM_DIR}"
flash_erase -j ${OEM_MTDC} 0 0
mount ${OEM_DIR}
fi
}
case $1 in
start)
# mount config if not already mounted
if ! grep -q "^${CONFIG_MTDB} " /proc/mounts; then
mount_config
else
echo "$CONFIG_DIR already mounted"
fi
# mount oem if specified in /etc/fstab and it isn't already mounted
if grep -qE "^${OEM_MTDB}\s+${OEM_DIR}\s+" /etc/fstab; then
if ! grep -q "^${OEM_MTDB} " /proc/mounts; then
mount_oem
else
echo "$OEM_DIR already mounted"
fi
fi
# Default all config files if requested
cd ${CONFIG_DIR}
if [ -f force_defaults ]; then
echo "Extracting default config files"
tar -xvf /etc/defaults.tar.gz
if [ -f /etc/default_pass ]; then
echo "Defaulting root password"
PASSHASH=`cat /etc/default_pass`
PASSFILE=/etc/shadow
if [ ! -e /etc/shadow ]; then
PASSFILE=/etc/passwd
fi
sed -i "s%^root:[^:]*:%root:${PASSHASH}:%" $PASSFILE
fi
rm -f force_defaults
fi
# Extract any missing files
TARFILES=`tar -tf /etc/defaults.tar.gz`
for file in $TARFILES; do
if [ ! -e $file ]; then
tar -xvf /etc/defaults.tar.gz $file
fi
done
# Create links in /etc
for file in $FILES; do
if [ ! -L /etc/$file ]; then
echo "Creating link to ${CONFIG_DIR}/$file"
rm -rf /etc/$file
ln -sf ${CONFIG_DIR}/$file /etc/$file
fi
done
;;
*)
echo "Usage: $0 {start}"
exit 2
;;
esac
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