Circlean/shell_utils/get_shell.sh

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#!/bin/bash
# http://xecdesign.com/qemu-emulating-raspberry-pi-the-easy-way/
IMAGE='2014-01-07-wheezy-raspbian.img'
OFFSET_ROOTFS=$((122880 * 512))
if [ "$(id -u)" != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
set -e
./mount_image.sh ./copy_force_shell.sh
SETUP_DIR="setup"
clean(){
mount -o loop,offset=${OFFSET_ROOTFS} ${IMAGE} ${SETUP_DIR}
mv ${SETUP_DIR}/etc/ld.so.preload_bkp ${SETUP_DIR}/etc/ld.so.preload
umount ${SETUP_DIR}
rm -rf ${SETUP_DIR}
./mount_image.sh ./copy_to_final.sh
}
trap clean EXIT TERM INT
mkdir -p ${SETUP_DIR}
# make the CIRCLean image compatible with qemu
mount -o loop,offset=${OFFSET_ROOTFS} ${IMAGE} ${SETUP_DIR}
mv ${SETUP_DIR}/etc/ld.so.preload ${SETUP_DIR}/etc/ld.so.preload_bkp
umount ${SETUP_DIR}
./get_shell.exp ${IMAGE}