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Fix peer credentials for Android

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This commit is contained in:
Joe Ellis 2020-09-10 09:11:49 +01:00
parent 72eef6168f
commit 68ff495afa
1 changed files with 5 additions and 6 deletions
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11
library/std/src/sys/unix/ext/ucred.rs
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@ -43,24 +43,23 @@ pub mod impl_linux {
use crate::os::unix::io::AsRawFd; use crate::os::unix::io::AsRawFd;
use crate::os::unix::net::UnixStream; use crate::os::unix::net::UnixStream;
use crate::{io, mem}; use crate::{io, mem};
use libc::{c_void, getsockopt, socklen_t, ucred, SOL_SOCKET, SO_PEERCRED};
pub fn peer_cred(socket: &UnixStream) -> io::Result<UCred> { pub fn peer_cred(socket: &UnixStream) -> io::Result<UCred> {
use libc::{c_void, ucred};
let ucred_size = mem::size_of::<ucred>(); let ucred_size = mem::size_of::<ucred>();
// Trivial sanity checks. // Trivial sanity checks.
assert!(mem::size_of::<u32>() <= mem::size_of::<usize>()); assert!(mem::size_of::<u32>() <= mem::size_of::<usize>());
assert!(ucred_size <= u32::MAX as usize); assert!(ucred_size <= u32::MAX as usize);
let mut ucred_size = ucred_size as u32; let mut ucred_size = ucred_size as socklen_t;
let mut ucred: ucred = ucred { pid: 1, uid: 1, gid: 1 }; let mut ucred: ucred = ucred { pid: 1, uid: 1, gid: 1 };
unsafe { unsafe {
let ret = libc::getsockopt( let ret = getsockopt(
socket.as_raw_fd(), socket.as_raw_fd(),
libc::SOL_SOCKET, SOL_SOCKET,
libc::SO_PEERCRED, SO_PEERCRED,
&mut ucred as *mut ucred as *mut c_void, &mut ucred as *mut ucred as *mut c_void,
&mut ucred_size, &mut ucred_size,
); );