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Kovid Goyal
2025-04-20 23:06:26 +05:30
parent 341df0dccb
commit d7f4d44d8e
2 changed files with 20 additions and 2 deletions
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2
tools/utils/iso8601.go
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@@ -115,7 +115,7 @@ func ISO8601Parse(raw string) (time.Time, error) {
text = text[:9]
}
if text != "" {
if nsec, err = strconv.ParseInt(text, 10, 64); err != nil {
if nsec, err = strconv.ParseInt(text, 10, 0); err != nil {
return errf("timestamp does not have a valid nanosecond field")
}
for ; extra > 0; extra-- {

20
tools/utils/tar.go
View File

@@ -60,6 +60,16 @@ func ExtractAllFromTar(tr *tar.Reader, dest_path string, optss ...TarExtractOpti
continue
}
dest = filepath.Join(dest_path, dest)
if dest, err = filepath.EvalSymlinks(dest); err != nil {
if os.IsNotExist(err) {
err = nil
} else {
return count, err
}
}
if !strings.HasPrefix(filepath.Clean(dest), filepath.Clean(dest_path)+string(os.PathSeparator)) {
return count, fmt.Errorf("illegal path in tar archive: %s", hdr.Name)
}
switch hdr.Typeflag {
case tar.TypeDir:
err = os.MkdirAll(dest, 0o700)
@@ -99,7 +109,15 @@ func ExtractAllFromTar(tr *tar.Reader, dest_path string, optss ...TarExtractOpti
if err = os.MkdirAll(filepath.Dir(dest), 0o700); err != nil {
return
}
if err = os.Symlink(hdr.Linkname, dest); err != nil {
link_target := hdr.Linkname
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)) {
return count, fmt.Errorf("illegal symlink target: %s -> %s", hdr.Name, link_target)
}
if err = os.Symlink(link_target, dest); err != nil {
return
}
if err = set_metadata(nil, hdr); err != nil {