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50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2021 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package fde
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import (
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"bytes"
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"fmt"
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"time"
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"github.com/snapcore/snapd/systemd"
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)
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// fdeInitramfsHelperRuntimeMax is the maximum runtime a helper can execute
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// XXX: what is a reasonable default here?
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var fdeInitramfsHelperRuntimeMax = 2 * time.Minute
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func runFDEinitramfsHelper(name string, stdin []byte) (output []byte, err error) {
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command := []string{name}
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opts := &systemd.RunOptions{
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Properties: []string{
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"DefaultDependencies=no",
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"SystemCallFilter=~@mount",
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fmt.Sprintf("RuntimeMaxSec=%s", fdeInitramfsHelperRuntimeMax),
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},
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Stdin: bytes.NewReader(stdin),
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}
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sysd := systemd.New(systemd.SystemMode, nil)
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return sysd.Run(command, opts)
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}
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