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/tmp is often a tmpfs file system and large temporary files could cause docker commands to fail. Also using /tmp potentially allows users on the system to get access to content, or even attack the content. Moving the tmpdir to /var/lib/container/tmp will protect the data. Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan) Conflicts: docker/docker.go
18 lines
398 B
Go
18 lines
398 B
Go
// +build darwin dragonfly freebsd linux netbsd openbsd
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package utils
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import (
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"os"
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"path/filepath"
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)
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// TempDir returns the default directory to use for temporary files.
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func TempDir(rootDir string) (string, error) {
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var tmpDir string
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if tmpDir = os.Getenv("DOCKER_TMPDIR"); tmpDir == "" {
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tmpDir = filepath.Join(rootDir, "tmp")
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}
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err := os.MkdirAll(tmpDir, 0700)
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return tmpDir, err
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}
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