Add UCred struct

library/std/src/sys/unix/ext/net/ancillary.rs

@@ -64,6 +64,47 @@ pub(super) fn send_vectored_with_ancillary_to(
     }
 }
 
+#[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+#[derive(Clone)]
+pub struct UCred(libc::ucred);
+
+impl UCred {
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn new() -> UCred {
+        UCred(libc::ucred { pid: 0, uid: 0, gid: 0 })
+    }
+
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn set_pid(&mut self, pid: i32) {
+        self.0.pid = pid;
+    }
+
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn get_pid(&self) -> i32 {
+        self.0.pid
+    }
+
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn set_uid(&mut self, uid: u32) {
+        self.0.uid = uid;
+    }
+
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn get_uid(&self) -> u32 {
+        self.0.uid
+    }
+
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn set_gid(&mut self, gid: u32) {
+        self.0.gid = gid;
+    }
+
+    #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
+    pub fn get_gid(&self) -> u32 {
+        self.0.gid
+    }
+}
+
 #[cfg(any(
     target_os = "haiku",
     target_os = "solaris",
@@ -139,10 +180,10 @@ pub struct ScmCredentials<'a>(AncillaryDataIter<'a, libc::ucred>);
 ))]
 #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
 impl<'a> Iterator for ScmCredentials<'a> {
-    type Item = libc::ucred;
+    type Item = UCred;
 
-    fn next(&mut self) -> Option<libc::ucred> {
+    fn next(&mut self) -> Option<UCred> {
-        self.0.next()
+        Some(UCred(self.0.next()?))
     }
 }
 
@@ -550,7 +591,7 @@ impl<'a> SocketAncillary<'a> {
         target_env = "uclibc",
     ))]
     #[unstable(feature = "unix_socket_ancillary_data", issue = "none")]
-    pub fn add_creds(&mut self, creds: &[libc::ucred]) -> bool {
+    pub fn add_creds(&mut self, creds: &[UCred]) -> bool {
         self.truncated = false;
         add_to_ancillary_data(
             &mut self.buffer,

library/std/src/sys/unix/ext/net/test.rs

@@ -529,8 +529,11 @@ fn test_send_vectored_with_ancillary_to_unix_datagram() {
 
     let mut ancillary1_buffer = [0; 128];
     let mut ancillary1 = SocketAncillary::new(&mut ancillary1_buffer[..]);
-    let cred1 = libc::ucred { pid: getpid(), uid: getuid(), gid: getgid() };
+    let mut cred1 = UCred::new();
-    assert!(ancillary1.add_creds(&[cred1][..]));
+    cred1.set_pid(getpid());
+    cred1.set_uid(getuid());
+    cred1.set_gid(getgid());
+    assert!(ancillary1.add_creds(&[cred1.clone()][..]));
 
     let usize =
         or_panic!(bsock1.send_vectored_with_ancillary_to(&mut bufs_send, &mut ancillary1, &path2));
@@ -556,9 +559,9 @@ fn test_send_vectored_with_ancillary_to_unix_datagram() {
     {
         let cred_vec = Vec::from_iter(scm_credentials);
         assert_eq!(cred_vec.len(), 1);
-        assert_eq!(cred1.pid, cred_vec[0].pid);
+        assert_eq!(cred1.get_pid(), cred_vec[0].get_pid());
-        assert_eq!(cred1.uid, cred_vec[0].uid);
+        assert_eq!(cred1.get_uid(), cred_vec[0].get_uid());
-        assert_eq!(cred1.gid, cred_vec[0].gid);
+        assert_eq!(cred1.get_gid(), cred_vec[0].get_gid());
     } else {
         assert!(false);
     }