45 lines
1.7 KiB
Rust
45 lines
1.7 KiB
Rust
//! `listen`: the directory at 0700, the socket at 0600, a stale socket replaced, and no mode
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//! changed through a symbolic link (M5a spec, section 7). Do not edit.
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#[path = "support/tmp.rs"]
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mod tmp;
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use std::os::unix::fs::PermissionsExt;
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use std::os::unix::net::UnixStream;
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use memoryd::socket::listen;
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use tmp::TempDir;
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fn mode(path: &std::path::Path) -> u32 {
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std::fs::metadata(path).unwrap().permissions().mode() & 0o777
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}
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#[test]
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fn directory_and_socket_are_private_and_a_stale_socket_is_replaced() {
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let dir = TempDir::new("socket");
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let run = dir.path().join("run/loop-memory");
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std::fs::create_dir_all(&run).unwrap();
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std::fs::set_permissions(&run, std::fs::Permissions::from_mode(0o755)).unwrap();
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let socket = run.join("memory.sock");
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let first = listen(&socket).unwrap();
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assert_eq!((mode(&run), mode(&socket)), (0o700, 0o600));
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drop(first);
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let second = listen(&socket).expect("a stale socket is removed");
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assert!(UnixStream::connect(&socket).is_ok());
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drop(second);
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}
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#[test]
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fn no_directory_and_symbolic_links_are_refused() {
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let dir = TempDir::new("socket-link");
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let target = dir.path().join("shared");
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std::fs::create_dir_all(&target).unwrap();
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std::fs::set_permissions(&target, std::fs::Permissions::from_mode(0o755)).unwrap();
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std::os::unix::fs::symlink(&target, dir.path().join("link")).unwrap();
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let err = listen(&dir.path().join("link/memory.sock")).unwrap_err();
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assert!(err.contains("symbolic link"), "{err}");
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assert_eq!(mode(&target), 0o755, "the target's mode is untouched");
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let err = listen(std::path::Path::new("/memory.sock")).unwrap_err();
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assert!(err.contains("directory of its own"), "{err}");
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}
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