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Remove unnecessary check

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Kovid Goyal
2025-04-20 23:36:42 +05:30
parent 50b830faa5
commit 3daac6fb22
1 changed files with 3 additions and 8 deletions
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11
tools/utils/tar.go
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@@ -103,10 +103,6 @@ func ExtractAllFromTar(tr *tar.Reader, dest_path string, optss ...TarExtractOpti
if !filepath.IsAbs(link_target) {
link_target = filepath.Join(filepath.Dir(dest), link_target)
}
// Ensure the symlink target is within the destination directory
if !strings.HasPrefix(filepath.Clean(link_target), filepath.Clean(dest_path)+string(os.PathSeparator)) {
continue
}
if err = os.Link(link_target, dest); err != nil {
return
}
@@ -121,10 +117,9 @@ func ExtractAllFromTar(tr *tar.Reader, dest_path string, optss ...TarExtractOpti
if !filepath.IsAbs(link_target) {
link_target = filepath.Join(filepath.Dir(dest), link_target)
}
// Ensure the symlink target is within the destination directory
if !strings.HasPrefix(filepath.Clean(link_target), filepath.Clean(dest_path)+string(os.PathSeparator)) {
continue
}
// We dont care about the link target being outside dest_path as
// we use EvalSymlinks on dest, so a symlink pointing outside
// dest_path cannot cause writes outside dest_path.
if err = os.Symlink(link_target, dest); err != nil {
return
}