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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Package apparmor contains primitives for working with apparmor.
//
// References:
// - http://wiki.apparmor.net/index.php/Kernel_interfaces
// - http://apparmor.wiki.kernel.org/
// - http://manpages.ubuntu.com/manpages/xenial/en/man7/apparmor.7.html
package apparmor
import (
"fmt"
"strings"
)
// ValidateNoAppArmorRegexp will check that the given string does not
// contain AppArmor regular expressions (AARE), double quotes or \0.
// Note that to check the inverse of this, that is that a string has
// valid AARE, one should use interfaces/utils.NewPathPattern().
func ValidateNoAppArmorRegexp(s string) error {
const AARE = `?*[]{}^"` + "\x00"
if strings.ContainsAny(s, AARE) {
return fmt.Errorf("%q contains a reserved apparmor char from %s", s, AARE)
}
return nil
}
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