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Fixed permissions in install for unix #10564

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Merged
sylvestre merged 4 commits into from
Feb 7, 2026
Merged

Fixed permissions in install for unix #10564

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7358f55
Fixed permissions in install for unix
max-amb Jan 29, 2026
bc66655
Merge branch 'uutils:main' into install_fix_perms_on_creation
max-amb Jan 30, 2026
c1b4294
Merge branch 'uutils:main' into install_fix_perms_on_creation
max-amb Feb 4, 2026
66c3b6e
Merge branch 'main' into install_fix_perms_on_creation
sylvestre Feb 6, 2026
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7 changes: 6 additions & 1 deletion src/uu/install/src/install.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -813,6 +813,7 @@ fn perform_backup(to: &Path, b: &Behavior) -> UResult<Option<PathBuf>> {
/// Returns an empty Result or an error in case of failure.
///
fn copy_file(from: &Path, to: &Path) -> UResult<()> {
use std::os::unix::fs::OpenOptionsExt;
if let Ok(to_abs) = to.canonicalize() {
if from.canonicalize()? == to_abs {
return Err(InstallError::SameFile(from.to_path_buf(), to.to_path_buf()).into());
Expand Down Expand Up @@ -841,7 +842,11 @@ fn copy_file(from: &Path, to: &Path) -> UResult<()> {

let mut handle = File::open(from)?;
// create_new provides TOCTOU protection
let mut dest = OpenOptions::new().write(true).create_new(true).open(to)?;
let mut dest = OpenOptions::new()
.write(true)
.create_new(true)
.mode(0o600)
.open(to)?;

copy_stream(&mut handle, &mut dest).map_err(|err| {
InstallError::InstallFailed(from.to_path_buf(), to.to_path_buf(), err.to_string())
Expand Down
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