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#!/bin/sh
#
# An external ACL implementation. Checks that the first argument is
# eagle@eyrie.org, the second argument is "test", and then returns success,
# failure, or reports an error based on whether the second argument is
# success, failure, or error.
#
# Copyright 2016 Russ Allbery <eagle@eyrie.org>
#
# SPDX-License-Identifier: MIT
set -e
# Check the initial principal argument.
if [ "$1" != 'eagle@eyrie.org' ]; then
echo 'incorrect principal' >&2
exit 1
fi
# Check that the second and third arguments are file test (the test object).
if [ "$2" != 'file' ]; then
echo 'incorrect second argument' >&2
exit 1
fi
if [ "$3" != 'test' ]; then
echo 'incorrect third argument' >&2
exit 1
fi
# Process the fourth argument.
case $4 in
'test success')
exit 0
;;
'test failure')
exit 1
;;
'test error')
echo 'some error' >&2
exit 1
;;
*)
echo 'unknown fourth argument' >&2
exit 1
;;
esac
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