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Merge pull request #4630 from kolyshkin/clean-path

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libc/utils: simplify CleanPath
This commit is contained in:
Rodrigo Campos
2025-02-13 13:59:23 -03:00
committed by GitHub
parent 199a307569 8db6ffbeef
commit b0b186e64d
1 changed files with 8 additions and 8 deletions
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16
libcontainer/utils/utils.go
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@@ -50,19 +50,19 @@ func CleanPath(path string) string {
// Ensure that all paths are cleaned (especially problematic ones like
// "/../../../../../" which can cause lots of issues).
path = filepath.Clean(path)
if filepath.IsAbs(path) {
return filepath.Clean(path)
}
// If the path isn't absolute, we need to do more processing to fix paths
// such as "../../../../<etc>/some/path". We also shouldn't convert absolute
// paths to relative ones.
if !filepath.IsAbs(path) {
path = filepath.Clean(string(os.PathSeparator) + path)
// This can't fail, as (by definition) all paths are relative to root.
path, _ = filepath.Rel(string(os.PathSeparator), path)
}
path = filepath.Clean(string(os.PathSeparator) + path)
// This can't fail, as (by definition) all paths are relative to root.
path, _ = filepath.Rel(string(os.PathSeparator), path)
// Clean the path again for good measure.
return filepath.Clean(path)
return path
}
// stripRoot returns the passed path, stripping the root path if it was