46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
// Copyright (C) 2016 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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//go:build !windows
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// +build !windows
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// (No syscall.Umask or the equivalent on Windows)
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package osutil
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import (
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"io/ioutil"
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"os"
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"syscall"
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"testing"
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)
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func TestTempFilePermissions(t *testing.T) {
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// Set a zero umask, so any files created will have the permission bits
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// asked for in the create call and nothing less.
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oldMask := syscall.Umask(0)
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defer syscall.Umask(oldMask)
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fd, err := ioutil.TempFile("", "test")
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if err != nil {
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t.Fatal(err)
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}
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info, err := fd.Stat()
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if err != nil {
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t.Fatal(err)
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}
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defer os.Remove(fd.Name())
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defer fd.Close()
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// The temp file should have 0600 permissions at the most, or we have a
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// security problem in CreateAtomic.
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t.Logf("Got 0%03o", info.Mode())
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if info.Mode()&^0600 != 0 {
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t.Errorf("Permission 0%03o is too generous", info.Mode())
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}
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}
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