Remove the shim kernel crate

kernel/src/net/socket/unix/addr.rs

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: MPL-2.0
+
+use crate::{fs::path::Dentry, net::socket::util::socket_addr::SocketAddr, prelude::*};
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum UnixSocketAddr {
+    Unnamed,
+    Path(Arc<str>),
+    Abstract(Arc<[u8]>),
+}
+
+#[derive(Clone, Debug)]
+pub(super) enum UnixSocketAddrBound {
+    Path(Arc<str>, Arc<Dentry>),
+    Abstract(Arc<[u8]>),
+}
+
+impl TryFrom<SocketAddr> for UnixSocketAddr {
+    type Error = Error;
+
+    fn try_from(value: SocketAddr) -> Result<Self> {
+        match value {
+            SocketAddr::Unix(unix_socket_addr) => Ok(unix_socket_addr),
+            _ => return_errno_with_message!(Errno::EINVAL, "Invalid unix socket addr"),
+        }
+    }
+}
+
+impl From<UnixSocketAddrBound> for UnixSocketAddr {
+    fn from(value: UnixSocketAddrBound) -> Self {
+        match value {
+            UnixSocketAddrBound::Path(path, _) => Self::Path(path),
+            UnixSocketAddrBound::Abstract(name) => Self::Abstract(name),
+        }
+    }
+}
+
+impl From<Option<UnixSocketAddrBound>> for UnixSocketAddr {
+    fn from(value: Option<UnixSocketAddrBound>) -> Self {
+        match value {
+            Some(addr) => addr.into(),
+            None => Self::Unnamed,
+        }
+    }
+}
+
+impl<T: Into<UnixSocketAddr>> From<T> for SocketAddr {
+    fn from(value: T) -> Self {
+        SocketAddr::Unix(value.into())
+    }
+}