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Replace uses of filepath.Join in Apply

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Replace cases where a tar specified name is joined to a directory
with root path to bound name to path.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan 2017-07-18 18:30:21 -07:00
parent 4a3f98cb61
commit 60792458a3
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GPG Key ID: F58C5D0A4405ACDB
1 changed files with 18 additions and 4 deletions
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22
archive/tar.go
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@ -132,7 +132,10 @@ func Apply(ctx context.Context, root string, r io.Reader) (int64, error) {
// This happened in some tests where an image had a tarfile without any
// parent directories.
parent := filepath.Dir(hdr.Name)
parentPath := filepath.Join(root, parent)
parentPath, err := rootPath(root, parent)
if err != nil {
return 0, err
}
if _, err := os.Lstat(parentPath); err != nil && os.IsNotExist(err) {
err = mkdirAll(parentPath, 0600)
@ -156,7 +159,11 @@ func Apply(ctx context.Context, root string, r io.Reader) (int64, error) {
}
defer os.RemoveAll(aufsTempdir)
}
if err := createTarFile(ctx, filepath.Join(aufsTempdir, basename), root, hdr, tr); err != nil {
p, err := rootPath(aufsTempdir, basename)
if err != nil {
return 0, err
}
if err := createTarFile(ctx, p, root, hdr, tr); err != nil {
return 0, err
}
}
@ -232,7 +239,11 @@ func Apply(ctx context.Context, root string, r io.Reader) (int64, error) {
if srcHdr == nil {
return 0, fmt.Errorf("Invalid aufs hardlink")
}
tmpFile, err := os.Open(filepath.Join(aufsTempdir, linkBasename))
p, err := rootPath(aufsTempdir, linkBasename)
if err != nil {
return 0, err
}
tmpFile, err := os.Open(p)
if err != nil {
return 0, err
}
@ -253,7 +264,10 @@ func Apply(ctx context.Context, root string, r io.Reader) (int64, error) {
}
for _, hdr := range dirs {
path := filepath.Join(root, hdr.Name)
path, err := rootPath(root, hdr.Name)
if err != nil {
return 0, err
}
if err := chtimes(path, boundTime(latestTime(hdr.AccessTime, hdr.ModTime)), boundTime(hdr.ModTime)); err != nil {
return 0, err
}