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-rw-r--r--src/manager.rs12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/manager.rs b/src/manager.rs
index 87175dc..3f487bf 100644
--- a/src/manager.rs
+++ b/src/manager.rs
@@ -4,6 +4,8 @@
use crate::{builder, config, model, proto, wg};
use std::ffi::{OsStr, OsString};
+#[cfg(unix)]
+use std::os::unix::fs::OpenOptionsExt;
use std::path::{Path, PathBuf};
use std::time::{Duration, Instant, SystemTime};
use std::{fs, io};
@@ -26,7 +28,15 @@ fn update_file(path: &Path, data: &[u8]) -> io::Result<()> {
tmp_path.push(".tmp");
let tmp_path = PathBuf::from(tmp_path);
- let mut file = fs::File::create(&tmp_path)?;
+ let mut file = {
+ let mut file = fs::OpenOptions::new();
+ file.append(true);
+ file.create_new(true);
+ #[cfg(unix)]
+ file.mode(0o0600);
+ file.open(&tmp_path)?
+ };
+
let r = io::Write::write_all(&mut file, data)
.and_then(|_| file.sync_data())
.and_then(|_| fs::rename(&tmp_path, &path));