diff options
Diffstat (limited to 'rand/rand_os/src/netbsd.rs')
-rw-r--r-- | rand/rand_os/src/netbsd.rs | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/rand/rand_os/src/netbsd.rs b/rand/rand_os/src/netbsd.rs deleted file mode 100644 index cf4b6c7..0000000 --- a/rand/rand_os/src/netbsd.rs +++ /dev/null @@ -1,54 +0,0 @@ -// Copyright 2018 Developers of the Rand project. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -//! Implementation for NetBSD - -use rand_core::Error; -use super::random_device; -use super::OsRngImpl; - -use std::fs::File; -use std::io::Read; -use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT, Ordering}; - -#[derive(Clone, Debug)] -pub struct OsRng { initialized: bool } - -impl OsRngImpl for OsRng { - fn new() -> Result<OsRng, Error> { - random_device::open("/dev/urandom", &|p| File::open(p))?; - Ok(OsRng { initialized: false }) - } - - fn fill_chunk(&mut self, dest: &mut [u8]) -> Result<(), Error> { - random_device::read(dest) - } - - // Read a single byte from `/dev/random` to determine if the OS RNG is - // already seeded. NetBSD always blocks if not yet ready. - fn test_initialized(&mut self, dest: &mut [u8], _blocking: bool) - -> Result<usize, Error> - { - static OS_RNG_INITIALIZED: AtomicBool = ATOMIC_BOOL_INIT; - if !self.initialized { - self.initialized = OS_RNG_INITIALIZED.load(Ordering::Relaxed); - } - if self.initialized { return Ok(0); } - - info!("OsRng: testing random device /dev/random"); - let mut file = - File::open("/dev/random").map_err(random_device::map_err)?; - file.read(&mut dest[..1]).map_err(random_device::map_err)?; - - OS_RNG_INITIALIZED.store(true, Ordering::Relaxed); - self.initialized = true; - Ok(1) - } - - fn method_str(&self) -> &'static str { "/dev/urandom" } -} |