ls: add selinux support

src/uu/ls/src/ls.rs

@@ -2752,17 +2752,13 @@ fn display_item_long(
         let is_acl_set = has_acl(item.display_name.as_os_str());
         write!(
             output_display,
-            "{}{}{} {}",
+            "{}{} {}",
             display_permissions(md, true),
             if item.security_context.len() > 1 {
                 // GNU `ls` uses a "." character to indicate a file with a security context,
                 // but not other alternate access method.
                 "."
-            } else {
-                ""
-            },
-            if is_acl_set {
-                // if acl has been set, we display a "+" at the end of the file permissions
+            } else if is_acl_set {
                 "+"
             } else {
                 ""

tests/by-util/test_ls.rs

@@ -4183,6 +4183,26 @@ fn test_ls_context2() {
     }
 }
 
+#[test]
+#[cfg(feature = "feat_selinux")]
+fn test_ls_context_long() {
+    if !uucore::selinux::is_selinux_enabled() {
+        return;
+    }
+    let scene = TestScenario::new(util_name!());
+    let at = &scene.fixtures;
+    at.touch("foo");
+    for c_flag in ["-Zl", "-Zal"] {
+        let result = scene.ucmd().args(&[c_flag, "foo"]).succeeds();
+
+        let line: Vec<_> = result.stdout_str().split(" ").collect();
+        assert!(line[0].ends_with("."));
+        assert!(line[4].starts_with("unconfined_u"));
+        let s: Vec<_> = line[4].split(":").collect();
+        assert!(s.len() == 4);
+    }
+}
+
 #[test]
 #[cfg(feature = "feat_selinux")]
 fn test_ls_context_format() {