ksud: tweaks for setcon

userspace/ksud/src/restorecon.rs

@@ -1,5 +1,6 @@
 use anyhow::Result;
 use jwalk::{Parallelism::Serial, WalkDir};
+use std::path::Path;
 
 #[cfg(unix)]
 use anyhow::{Context, Ok};
@@ -8,29 +9,30 @@ use extattr::{setxattr, Flags as XattrFlags};
 
 const SYSTEM_CON: &str = "u:object_r:system_file:s0";
 const _ADB_CON: &str = "u:object_r:adb_data_file:s0";
+const SELINUX_XATTR : &str = "security.selinux";
 
-pub fn setcon(path: &str, con: &str) -> Result<()> {
+pub fn setcon<P: AsRef<Path>>(path: P, con: &str) -> Result<()> {
     #[cfg(unix)]
-    setxattr(path, "security.selinux", con, XattrFlags::empty())
-        .with_context(|| format!("Failed to change SELinux context for {path}"))?;
+    setxattr(&path, SELINUX_XATTR, con, XattrFlags::empty())
+        .with_context(|| format!("Failed to change SELinux context for {}", path.as_ref().display()))?;
     Ok(())
 }
 
 #[cfg(unix)]
-pub fn setsyscon(path: &str) -> Result<()> {
+pub fn setsyscon<P: AsRef<Path>>(path: P) -> Result<()> {
     setcon(path, SYSTEM_CON)
 }
 
 #[cfg(not(unix))]
-pub fn setsyscon(_path: &str) -> Result<()> {
+pub fn setsyscon<P: AsRef<Path>>(path: P) -> Result<()> {
     unimplemented!()
 }
 
-pub fn restore_syscon(dir: &str) -> Result<()> {
+pub fn restore_syscon<P: AsRef<Path>>(dir: P) -> Result<()> {
     for dir_entry in WalkDir::new(dir).parallelism(Serial) {
         if let Some(path) = dir_entry.ok().map(|dir_entry| dir_entry.path()) {
             #[cfg(unix)]
-            setxattr(&path, "security.selinux", SYSTEM_CON, XattrFlags::empty()).with_context(
+            setxattr(&path, SELINUX_XATTR, SYSTEM_CON, XattrFlags::empty()).with_context(
                 || format!("Failed to change SELinux context for {}", path.display()),
             )?;
         }