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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:21 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:21 +0000 |
commit | 4e8199b572f2035b7749cba276ece3a26630d23e (patch) | |
tree | f09feeed6a0fe39d027b1908aa63ea6b35e4b631 /library/std/src/os/unix/net | |
parent | Adding upstream version 1.66.0+dfsg1. (diff) | |
download | rustc-4e8199b572f2035b7749cba276ece3a26630d23e.tar.xz rustc-4e8199b572f2035b7749cba276ece3a26630d23e.zip |
Adding upstream version 1.67.1+dfsg1.upstream/1.67.1+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/os/unix/net')
-rw-r--r-- | library/std/src/os/unix/net/addr.rs | 93 | ||||
-rw-r--r-- | library/std/src/os/unix/net/tests.rs | 36 |
2 files changed, 46 insertions, 83 deletions
diff --git a/library/std/src/os/unix/net/addr.rs b/library/std/src/os/unix/net/addr.rs index 094085e19..81ac829d2 100644 --- a/library/std/src/os/unix/net/addr.rs +++ b/library/std/src/os/unix/net/addr.rs @@ -1,6 +1,9 @@ use crate::ffi::OsStr; +#[cfg(any(doc, target_os = "android", target_os = "linux"))] +use crate::os::net::linux_ext; use crate::os::unix::ffi::OsStrExt; use crate::path::Path; +use crate::sealed::Sealed; use crate::sys::cvt; use crate::{fmt, io, mem, ptr}; @@ -224,31 +227,6 @@ impl SocketAddr { if let AddressKind::Pathname(path) = self.address() { Some(path) } else { None } } - /// Returns the contents of this address if it is an abstract namespace - /// without the leading null byte. - /// - /// # Examples - /// - /// ```no_run - /// #![feature(unix_socket_abstract)] - /// use std::os::unix::net::{UnixListener, SocketAddr}; - /// - /// fn main() -> std::io::Result<()> { - /// let namespace = b"hidden"; - /// let namespace_addr = SocketAddr::from_abstract_namespace(&namespace[..])?; - /// let socket = UnixListener::bind_addr(&namespace_addr)?; - /// let local_addr = socket.local_addr().expect("Couldn't get local address"); - /// assert_eq!(local_addr.as_abstract_namespace(), Some(&namespace[..])); - /// Ok(()) - /// } - /// ``` - #[doc(cfg(any(target_os = "android", target_os = "linux")))] - #[cfg(any(doc, target_os = "android", target_os = "linux",))] - #[unstable(feature = "unix_socket_abstract", issue = "85410")] - pub fn as_abstract_namespace(&self) -> Option<&[u8]> { - if let AddressKind::Abstract(name) = self.address() { Some(name) } else { None } - } - fn address(&self) -> AddressKind<'_> { let len = self.len as usize - sun_path_offset(&self.addr); let path = unsafe { mem::transmute::<&[libc::c_char], &[u8]>(&self.addr.sun_path) }; @@ -265,62 +243,41 @@ impl SocketAddr { AddressKind::Pathname(OsStr::from_bytes(&path[..len - 1]).as_ref()) } } +} - /// Creates an abstract domain socket address from a namespace - /// - /// An abstract address does not create a file unlike traditional path-based - /// Unix sockets. The advantage of this is that the address will disappear when - /// the socket bound to it is closed, so no filesystem clean up is required. - /// - /// The leading null byte for the abstract namespace is automatically added. - /// - /// This is a Linux-specific extension. See more at [`unix(7)`]. - /// - /// [`unix(7)`]: https://man7.org/linux/man-pages/man7/unix.7.html - /// - /// # Errors - /// - /// This will return an error if the given namespace is too long - /// - /// # Examples - /// - /// ```no_run - /// #![feature(unix_socket_abstract)] - /// use std::os::unix::net::{UnixListener, SocketAddr}; - /// - /// fn main() -> std::io::Result<()> { - /// let addr = SocketAddr::from_abstract_namespace(b"hidden")?; - /// let listener = match UnixListener::bind_addr(&addr) { - /// Ok(sock) => sock, - /// Err(err) => { - /// println!("Couldn't bind: {err:?}"); - /// return Err(err); - /// } - /// }; - /// Ok(()) - /// } - /// ``` - #[doc(cfg(any(target_os = "android", target_os = "linux")))] - #[cfg(any(doc, target_os = "android", target_os = "linux",))] - #[unstable(feature = "unix_socket_abstract", issue = "85410")] - pub fn from_abstract_namespace(namespace: &[u8]) -> io::Result<SocketAddr> { +#[unstable(feature = "unix_socket_abstract", issue = "85410")] +impl Sealed for SocketAddr {} + +#[doc(cfg(any(target_os = "android", target_os = "linux")))] +#[cfg(any(doc, target_os = "android", target_os = "linux"))] +#[unstable(feature = "unix_socket_abstract", issue = "85410")] +impl linux_ext::addr::SocketAddrExt for SocketAddr { + fn as_abstract_name(&self) -> Option<&[u8]> { + if let AddressKind::Abstract(name) = self.address() { Some(name) } else { None } + } + + fn from_abstract_name<N>(name: &N) -> crate::io::Result<Self> + where + N: AsRef<[u8]>, + { + let name = name.as_ref(); unsafe { let mut addr: libc::sockaddr_un = mem::zeroed(); addr.sun_family = libc::AF_UNIX as libc::sa_family_t; - if namespace.len() + 1 > addr.sun_path.len() { + if name.len() + 1 > addr.sun_path.len() { return Err(io::const_io_error!( io::ErrorKind::InvalidInput, - "namespace must be shorter than SUN_LEN", + "abstract socket name must be shorter than SUN_LEN", )); } crate::ptr::copy_nonoverlapping( - namespace.as_ptr(), + name.as_ptr(), addr.sun_path.as_mut_ptr().add(1) as *mut u8, - namespace.len(), + name.len(), ); - let len = (sun_path_offset(&addr) + 1 + namespace.len()) as libc::socklen_t; + let len = (sun_path_offset(&addr) + 1 + name.len()) as libc::socklen_t; SocketAddr::from_parts(addr, len) } } diff --git a/library/std/src/os/unix/net/tests.rs b/library/std/src/os/unix/net/tests.rs index e4499f9b6..37fcfa844 100644 --- a/library/std/src/os/unix/net/tests.rs +++ b/library/std/src/os/unix/net/tests.rs @@ -7,6 +7,12 @@ use crate::sys_common::io::test::tmpdir; use crate::thread; use crate::time::Duration; +#[cfg(target_os = "android")] +use crate::os::android::net::SocketAddrExt; + +#[cfg(target_os = "linux")] +use crate::os::linux::net::SocketAddrExt; + macro_rules! or_panic { ($e:expr) => { match $e { @@ -404,7 +410,7 @@ fn test_abstract_stream_connect() { let msg1 = b"hello"; let msg2 = b"world"; - let socket_addr = or_panic!(SocketAddr::from_abstract_namespace(b"namespace")); + let socket_addr = or_panic!(SocketAddr::from_abstract_name(b"name")); let listener = or_panic!(UnixListener::bind_addr(&socket_addr)); let thread = thread::spawn(move || { @@ -418,7 +424,7 @@ fn test_abstract_stream_connect() { let mut stream = or_panic!(UnixStream::connect_addr(&socket_addr)); let peer = or_panic!(stream.peer_addr()); - assert_eq!(peer.as_abstract_namespace().unwrap(), b"namespace"); + assert_eq!(peer.as_abstract_name().unwrap(), b"name"); or_panic!(stream.write_all(msg1)); let mut buf = vec![]; @@ -432,7 +438,7 @@ fn test_abstract_stream_connect() { #[cfg(any(target_os = "android", target_os = "linux"))] #[test] fn test_abstract_stream_iter() { - let addr = or_panic!(SocketAddr::from_abstract_namespace(b"hidden")); + let addr = or_panic!(SocketAddr::from_abstract_name(b"hidden")); let listener = or_panic!(UnixListener::bind_addr(&addr)); let thread = thread::spawn(move || { @@ -454,13 +460,13 @@ fn test_abstract_stream_iter() { #[cfg(any(target_os = "android", target_os = "linux"))] #[test] fn test_abstract_datagram_bind_send_to_addr() { - let addr1 = or_panic!(SocketAddr::from_abstract_namespace(b"ns1")); + let addr1 = or_panic!(SocketAddr::from_abstract_name(b"ns1")); let sock1 = or_panic!(UnixDatagram::bind_addr(&addr1)); let local = or_panic!(sock1.local_addr()); - assert_eq!(local.as_abstract_namespace().unwrap(), b"ns1"); + assert_eq!(local.as_abstract_name().unwrap(), b"ns1"); - let addr2 = or_panic!(SocketAddr::from_abstract_namespace(b"ns2")); + let addr2 = or_panic!(SocketAddr::from_abstract_name(b"ns2")); let sock2 = or_panic!(UnixDatagram::bind_addr(&addr2)); let msg = b"hello world"; @@ -469,13 +475,13 @@ fn test_abstract_datagram_bind_send_to_addr() { let (len, addr) = or_panic!(sock2.recv_from(&mut buf)); assert_eq!(msg, &buf[..]); assert_eq!(len, 11); - assert_eq!(addr.as_abstract_namespace().unwrap(), b"ns1"); + assert_eq!(addr.as_abstract_name().unwrap(), b"ns1"); } #[cfg(any(target_os = "android", target_os = "linux"))] #[test] fn test_abstract_datagram_connect_addr() { - let addr1 = or_panic!(SocketAddr::from_abstract_namespace(b"ns3")); + let addr1 = or_panic!(SocketAddr::from_abstract_name(b"ns3")); let bsock1 = or_panic!(UnixDatagram::bind_addr(&addr1)); let sock = or_panic!(UnixDatagram::unbound()); @@ -489,7 +495,7 @@ fn test_abstract_datagram_connect_addr() { assert_eq!(addr.is_unnamed(), true); assert_eq!(msg, &buf[..]); - let addr2 = or_panic!(SocketAddr::from_abstract_namespace(b"ns4")); + let addr2 = or_panic!(SocketAddr::from_abstract_name(b"ns4")); let bsock2 = or_panic!(UnixDatagram::bind_addr(&addr2)); or_panic!(sock.connect_addr(&addr2)); @@ -499,8 +505,8 @@ fn test_abstract_datagram_connect_addr() { #[cfg(any(target_os = "android", target_os = "linux"))] #[test] -fn test_abstract_namespace_too_long() { - match SocketAddr::from_abstract_namespace( +fn test_abstract_name_too_long() { + match SocketAddr::from_abstract_name( b"abcdefghijklmnopqrstuvwxyzabcdefghijklmn\ opqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghi\ jklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz", @@ -513,11 +519,11 @@ fn test_abstract_namespace_too_long() { #[cfg(any(target_os = "android", target_os = "linux"))] #[test] -fn test_abstract_namespace_no_pathname_and_not_unnamed() { - let namespace = b"local"; - let addr = or_panic!(SocketAddr::from_abstract_namespace(&namespace[..])); +fn test_abstract_no_pathname_and_not_unnamed() { + let name = b"local"; + let addr = or_panic!(SocketAddr::from_abstract_name(name)); assert_eq!(addr.as_pathname(), None); - assert_eq!(addr.as_abstract_namespace(), Some(&namespace[..])); + assert_eq!(addr.as_abstract_name(), Some(&name[..])); assert_eq!(addr.is_unnamed(), false); } |