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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2021 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 fde
import (
"bytes"
"fmt"
"time"
"github.com/snapcore/snapd/systemd"
)
// fdeInitramfsHelperRuntimeMax is the maximum runtime a helper can execute
// XXX: what is a reasonable default here?
var fdeInitramfsHelperRuntimeMax = 2 * time.Minute
func runFDEinitramfsHelper(name string, stdin []byte) (output []byte, err error) {
command := []string{name}
opts := &systemd.RunOptions{
Properties: []string{
"DefaultDependencies=no",
"SystemCallFilter=~@mount",
fmt.Sprintf("RuntimeMaxSec=%s", fdeInitramfsHelperRuntimeMax),
},
Stdin: bytes.NewReader(stdin),
}
sysd := systemd.New(systemd.SystemMode, nil)
return sysd.Run(command, opts)
}
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