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Expose SockAddr::from_raw_sockaddr #1447

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Aug 22, 2021
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2 changes: 2 additions & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
(#[1490](https://github.com/nix-rust/nix/pull/1490))
- Added the `PTRACE_EVENT_STOP` variant to the `sys::ptrace::Event` enum
(#[1335](https://github.com/nix-rust/nix/pull/1335))
- Exposed `SockAddr::from_raw_sockaddr`
(#[1447](https://github.com/nix-rust/nix/pull/1447))

### Changed

Expand Down
8 changes: 4 additions & 4 deletions src/ifaddrs.rs
Original file line number Diff line number Diff line change
Expand Up @@ -46,8 +46,8 @@ impl InterfaceAddress {
/// Create an `InterfaceAddress` from the libc struct.
fn from_libc_ifaddrs(info: &libc::ifaddrs) -> InterfaceAddress {
let ifname = unsafe { ffi::CStr::from_ptr(info.ifa_name) };
let address = unsafe { SockAddr::from_libc_sockaddr(info.ifa_addr) };
let netmask = unsafe { SockAddr::from_libc_sockaddr(info.ifa_netmask) };
let address = unsafe { SockAddr::from_raw_sockaddr(info.ifa_addr) };
let netmask = unsafe { SockAddr::from_raw_sockaddr(info.ifa_netmask) };
let mut addr = InterfaceAddress {
interface_name: ifname.to_string_lossy().to_string(),
flags: InterfaceFlags::from_bits_truncate(info.ifa_flags as i32),
Expand All @@ -59,9 +59,9 @@ impl InterfaceAddress {

let ifu = get_ifu_from_sockaddr(info);
if addr.flags.contains(InterfaceFlags::IFF_POINTOPOINT) {
addr.destination = unsafe { SockAddr::from_libc_sockaddr(ifu) };
addr.destination = unsafe { SockAddr::from_raw_sockaddr(ifu) };
} else if addr.flags.contains(InterfaceFlags::IFF_BROADCAST) {
addr.broadcast = unsafe { SockAddr::from_libc_sockaddr(ifu) };
addr.broadcast = unsafe { SockAddr::from_raw_sockaddr(ifu) };
}

addr
Expand Down
8 changes: 4 additions & 4 deletions src/sys/socket/addr.rs
Original file line number Diff line number Diff line change
Expand Up @@ -736,7 +736,7 @@ impl SockAddr {
/// unsafe because it takes a raw pointer as argument. The caller must
/// ensure that the pointer is valid.
#[cfg(not(target_os = "fuchsia"))]
pub(crate) unsafe fn from_libc_sockaddr(addr: *const libc::sockaddr) -> Option<SockAddr> {
pub unsafe fn from_raw_sockaddr(addr: *const libc::sockaddr) -> Option<SockAddr> {
if addr.is_null() {
None
} else {
Expand Down Expand Up @@ -1315,7 +1315,7 @@ mod tests {
fn test_macos_loopback_datalink_addr() {
let bytes = [20i8, 18, 1, 0, 24, 3, 0, 0, 108, 111, 48, 0, 0, 0, 0, 0];
let sa = bytes.as_ptr() as *const libc::sockaddr;
let _sock_addr = unsafe { SockAddr::from_libc_sockaddr(sa) };
let _sock_addr = unsafe { SockAddr::from_raw_sockaddr(sa) };
assert!(_sock_addr.is_none());
}

Expand All @@ -1330,7 +1330,7 @@ mod tests {
let bytes = [20i8, 18, 7, 0, 6, 3, 6, 0, 101, 110, 48, 24, 101, -112, -35, 76, -80];
let ptr = bytes.as_ptr();
let sa = ptr as *const libc::sockaddr;
let _sock_addr = unsafe { SockAddr::from_libc_sockaddr(sa) };
let _sock_addr = unsafe { SockAddr::from_raw_sockaddr(sa) };

assert!(_sock_addr.is_some());

Expand All @@ -1352,7 +1352,7 @@ mod tests {
let bytes = [25u8, 0, 0, 0, 6, 0, 6, 0, 24, 101, 144, 221, 76, 176];
let ptr = bytes.as_ptr();
let sa = ptr as *const libc::sockaddr;
let _sock_addr = unsafe { SockAddr::from_libc_sockaddr(sa) };
let _sock_addr = unsafe { SockAddr::from_raw_sockaddr(sa) };

assert!(_sock_addr.is_some());

Expand Down