diff options
Diffstat (limited to 'examples/chroot.sh')
| -rwxr-xr-x | examples/chroot.sh | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/examples/chroot.sh b/examples/chroot.sh new file mode 100755 index 0000000..e8f84c7 --- /dev/null +++ b/examples/chroot.sh @@ -0,0 +1,41 @@ +#!/bin/sh + +set -e + +# The script is called with the following arguments: +# $1 = $DIR - the top directory of the bootstrapped system +# $2 = $ARCH - the specified architecture, already checked with dpkg-architecture. +# setup.sh needs to be executable. + +TARGET=$1 +# upstart support +if [ -x "$TARGET/sbin/initctl" ]; then + echo "initctl: Trying to prevent daemons from starting in $TARGET" + mv "$TARGET/sbin/start-stop-daemon" "$TARGET/sbin/start-stop-daemon.REAL" + echo \ +"#!/bin/sh +echo +echo echo \"Warning: Fake start-stop-daemon called, doing nothing\"" > "$TARGET/sbin/start-stop-daemon" + chmod 755 "$TARGET/sbin/start-stop-daemon" +fi +if [ -x "$TARGET/sbin/initctl" ]; then + echo "initctl: Trying to prevent daemons from starting in $TARGET" + mv "$TARGET/sbin/initctl" "$TARGET/sbin/initctl.REAL" + echo \ +"#!/bin/sh +echo +echo \"Warning: Fake initctl called, doing nothing\"" > "$TARGET/sbin/initctl" + chmod 755 "$TARGET/sbin/initctl" +fi + +# sysvinit support - exit value of 101 is essential. +if [ -x "$TARGET/sbin/init" -a ! -f "$TARGET/usr/sbin/policy-rc.d" ]; then + echo "sysvinit: Using policy-rc.d to prevent daemons from starting in $TARGET" + mkdir -p $TARGET/usr/sbin/ + cat > $TARGET/usr/sbin/policy-rc.d << EOF +#!/bin/sh +echo "sysvinit: All runlevel operations denied by policy" >&2 +exit 101 +EOF + chmod a+x $TARGET/usr/sbin/policy-rc.d +fi |