Enable IP_BOUND_IF on illumos and Solaris

src/sys/unix.rs

@@ -22,6 +22,8 @@ use std::net::{Ipv4Addr, Ipv6Addr};
         target_os = "macos",
         target_os = "tvos",
         target_os = "watchos",
+        target_os = "illumos",
+        target_os = "solaris",
     )
 ))]
 use std::num::NonZeroU32;
@@ -1389,6 +1391,36 @@ pub(crate) fn original_dst_ipv6(fd: Socket) -> io::Result<SockAddr> {
     .map(|(_, addr)| addr)
 }
 
+// TODO: remove this once https://github.com/rust-lang/libc/pull/4287 merges
+#[cfg(all(feature = "all", any(target_os = "illumos", target_os = "solaris")))]
+const IP_BOUND_IF: libc::c_int = 0x41;
+#[cfg(all(
+    feature = "all",
+    any(
+        target_os = "ios",
+        target_os = "visionos",
+        target_os = "macos",
+        target_os = "tvos",
+        target_os = "watchos",
+    )
+))]
+use libc::IP_BOUND_IF;
+
+// TODO: remove this once https://github.com/rust-lang/libc/pull/4287 merges
+#[cfg(all(feature = "all", any(target_os = "illumos", target_os = "solaris")))]
+const IPV6_BOUND_IF: libc::c_int = 0x41;
+#[cfg(all(
+    feature = "all",
+    any(
+        target_os = "ios",
+        target_os = "visionos",
+        target_os = "macos",
+        target_os = "tvos",
+        target_os = "watchos",
+    )
+))]
+use libc::IPV6_BOUND_IF;
+
 /// Unix only API.
 impl crate::Socket {
     /// Accept a new incoming connection from this listener.
@@ -1834,11 +1866,13 @@ impl crate::Socket {
             target_os = "macos",
             target_os = "tvos",
             target_os = "watchos",
+            target_os = "illumos",
+            target_os = "solaris",
         )
     ))]
     pub fn bind_device_by_index_v4(&self, interface: Option<NonZeroU32>) -> io::Result<()> {
         let index = interface.map_or(0, NonZeroU32::get);
-        unsafe { setsockopt(self.as_raw(), IPPROTO_IP, libc::IP_BOUND_IF, index) }
+        unsafe { setsockopt(self.as_raw(), IPPROTO_IP, IP_BOUND_IF, index) }
     }
 
     /// Sets the value for `IPV6_BOUND_IF` option on this socket.
@@ -1859,11 +1893,13 @@ impl crate::Socket {
             target_os = "macos",
             target_os = "tvos",
             target_os = "watchos",
+            target_os = "illumos",
+            target_os = "solaris",
         )
     ))]
     pub fn bind_device_by_index_v6(&self, interface: Option<NonZeroU32>) -> io::Result<()> {
         let index = interface.map_or(0, NonZeroU32::get);
-        unsafe { setsockopt(self.as_raw(), IPPROTO_IPV6, libc::IPV6_BOUND_IF, index) }
+        unsafe { setsockopt(self.as_raw(), IPPROTO_IPV6, IPV6_BOUND_IF, index) }
     }
 
     /// Gets the value for `IP_BOUND_IF` option on this socket, i.e. the index
@@ -1879,11 +1915,12 @@ impl crate::Socket {
             target_os = "macos",
             target_os = "tvos",
             target_os = "watchos",
+            target_os = "illumos",
+            target_os = "solaris",
         )
     ))]
     pub fn device_index_v4(&self) -> io::Result<Option<NonZeroU32>> {
-        let index =
-            unsafe { getsockopt::<libc::c_uint>(self.as_raw(), IPPROTO_IP, libc::IP_BOUND_IF)? };
+        let index = unsafe { getsockopt::<libc::c_uint>(self.as_raw(), IPPROTO_IP, IP_BOUND_IF)? };
         Ok(NonZeroU32::new(index))
     }
 
@@ -1900,12 +1937,13 @@ impl crate::Socket {
             target_os = "macos",
             target_os = "tvos",
             target_os = "watchos",
+            target_os = "illumos",
+            target_os = "solaris",
         )
     ))]
     pub fn device_index_v6(&self) -> io::Result<Option<NonZeroU32>> {
-        let index = unsafe {
-            getsockopt::<libc::c_uint>(self.as_raw(), IPPROTO_IPV6, libc::IPV6_BOUND_IF)?
-        };
+        let index =
+            unsafe { getsockopt::<libc::c_uint>(self.as_raw(), IPPROTO_IPV6, IPV6_BOUND_IF)? };
         Ok(NonZeroU32::new(index))
     }
 

tests/socket.rs

@@ -990,6 +990,8 @@ fn device() {
         target_os = "macos",
         target_os = "tvos",
         target_os = "watchos",
+        target_os = "solaris",
+        target_os = "illumos",
     )
 ))]
 #[test]
@@ -1036,6 +1038,8 @@ fn device() {
         target_os = "macos",
         target_os = "tvos",
         target_os = "watchos",
+        target_os = "solaris",
+        target_os = "illumos",
     )
 ))]
 #[test]