#!/bin/sh -e
# This script unmounts a user's private ecryptfs folder
# and clears the kernel keyring of the relevant keys
#
# Original by Michael Halcrow, IBM
# Extracted to a stand-alone script by Dustin Kirkland <kirkland@ubuntu.com>

TEXTDOMAIN="ecryptfs-utils"

if grep -qs "$HOME/.Private $PWD ecryptfs " /proc/mounts 2>/dev/null; then
	pwd_mounted=1
fi
if /sbin/umount.ecryptfs_private; then
	for sig in `cat "$HOME/.ecryptfs/Private.sig"`; do
		for key_id in `keyctl list @u | grep "$sig$" | awk -F: '{print $1}'`; do
			keyctl unlink "$key_id" @u
		done
	done
	if [ "$pwd_mounted" = "1" ]; then
		echo
		echo `gettext "INFO:"` `gettext "Your private directory has been unmounted."`
		echo `gettext "INFO:"` `gettext "To see this change in your current shell:"`
		echo "  cd $PWD"
		echo
	fi
	exit 0
fi
exit 1