Add support for getifaddrs. Closes: #650.

1 files changed, 241 insertions, 0 deletions

diff --git a/src/net/if_.rs b/src/net/if_.rs
index 7edfc998..19b1ee73 100644
--- a/src/net/if_.rs
+++ b/src/net/if_.rs
@@ -17,3 +17,244 @@ pub fn if_nametoindex<P: ?Sized + NixPath>(name: &P) -> Result<c_uint> {
         Ok(if_index)
     }
 }
+
+libc_bitflags!(
+    /// Standard interface flags, used by `getifaddrs`
+    pub struct InterfaceFlags: libc::c_int {
+        /// Interface is running. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_UP;
+        /// Valid broadcast address set. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_BROADCAST;
+        /// Internal debugging flag. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_DEBUG;
+        /// Interface is a loopback interface. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_LOOPBACK;
+        /// Interface is a point-to-point link. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_POINTOPOINT;
+        /// Avoid use of trailers. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android",
+                  target_os = "fuchsia",
+                  target_os = "ios",
+                  target_os = "linux",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "solaris"))]
+        IFF_NOTRAILERS;
+        /// Interface manages own routes.
+        #[cfg(any(target_os = "dragonfly"))]
+        IFF_SMART;
+        /// Resources allocated. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android",
+                  target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "fuchsia",
+                  target_os = "ios",
+                  target_os = "linux",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "solaris"))]
+        IFF_RUNNING;
+        /// No arp protocol, L2 destination address not set. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_NOARP;
+        /// Interface is in promiscuous mode. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_PROMISC;
+        /// Receive all multicast packets. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_ALLMULTI;
+        /// Master of a load balancing bundle. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
+        IFF_MASTER;
+        /// transmission in progress, tx hardware queue is full
+        #[cfg(any(target_os = "freebsd",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "ios"))]
+        IFF_OACTIVE;
+        /// Protocol code on board.
+        #[cfg(target_os = "solaris")]
+        IFF_INTELLIGENT;
+        /// Slave of a load balancing bundle. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
+        IFF_SLAVE;
+        /// Can't hear own transmissions.
+        #[cfg(any(target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "osx"))]
+        IFF_SIMPLEX;
+        /// Supports multicast. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        IFF_MULTICAST;
+        /// Per link layer defined bit.
+        #[cfg(any(target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "ios"))]
+        IFF_LINK0;
+        /// Multicast using broadcast.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_MULTI_BCAST;
+        /// Is able to select media type via ifmap. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
+        IFF_PORTSEL;
+        /// Per link layer defined bit.
+        #[cfg(any(target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "ios"))]
+        IFF_LINK1;
+        /// Non-unique address.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_UNNUMBERED;
+        /// Auto media selection active. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
+        IFF_AUTOMEDIA;
+        /// Per link layer defined bit.
+        #[cfg(any(target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "macos",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "ios"))]
+        IFF_LINK2;
+        /// Use alternate physical connection.
+        #[cfg(any(target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "macos",
+                  target_os = "ios"))]
+        IFF_ALTPHYS;
+        /// DHCP controlls interface.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_DHCPRUNNING;
+        /// The addresses are lost when the interface goes down. (see
+        /// [`netdevice(7)`](http://man7.org/linux/man-pages/man7/netdevice.7.html))
+        #[cfg(any(target_os = "android", target_os = "fuchsia", target_os = "linux"))]
+        IFF_DYNAMIC;
+        /// Do not advertise.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_PRIVATE;
+        /// Driver signals L1 up. Volatile.
+        #[cfg(any(target_os = "fuchsia", target_os = "linux"))]
+        IFF_LOWER_UP;
+        /// Interface is in polling mode.
+        #[cfg(any(target_os = "dragonfly"))]
+        IFF_POLLING_COMPAT;
+        /// Unconfigurable using ioctl(2).
+        #[cfg(any(target_os = "freebsd"))]
+        IFF_CANTCONFIG;
+        /// Do not transmit packets.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_NOXMIT;
+        /// Driver signals dormant. Volatile.
+        #[cfg(any(target_os = "fuchsia", target_os = "linux"))]
+        IFF_DORMANT;
+        /// User-requested promisc mode.
+        #[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
+        IFF_PPROMISC;
+        /// Just on-link subnet.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_NOLOCAL;
+        /// Echo sent packets. Volatile.
+        #[cfg(any(target_os = "fuchsia", target_os = "linux"))]
+        IFF_ECHO;
+        /// User-requested monitor mode.
+        #[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
+        IFF_MONITOR;
+        /// Address is deprecated.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_DEPRECATED;
+        /// Static ARP.
+        #[cfg(any(target_os = "dragonfly", target_os = "freebsd"))]
+        IFF_STATICARP;
+        /// Address from stateless addrconf.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_ADDRCONF;
+        /// Interface is in polling mode.
+        #[cfg(any(target_os = "dragonfly"))]
+        IFF_NPOLLING;
+        /// Router on interface.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_ROUTER;
+        /// Interface is in polling mode.
+        #[cfg(any(target_os = "dragonfly"))]
+        IFF_IDIRECT;
+        /// Interface is winding down
+        #[cfg(any(target_os = "freebsd"))]
+        IFF_DYING;
+        /// No NUD on interface.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_NONUD;
+        /// Interface is being renamed
+        #[cfg(any(target_os = "freebsd"))]
+        IFF_RENAMING;
+        /// Anycast address.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_ANYCAST;
+        /// Don't exchange routing info.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_NORTEXCH;
+        /// IPv4 interface.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_IPV4;
+        /// IPv6 interface.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_IPV6;
+        /// in.mpathd test address
+        #[cfg(any(target_os = "solaris"))]
+        IFF_NOFAILOVER;
+        /// Interface has failed
+        #[cfg(any(target_os = "solaris"))]
+        IFF_FAILED;
+        /// Interface is a hot-spare
+        #[cfg(any(target_os = "solaris"))]
+        IFF_STANDBY;
+        /// Functioning but not used
+        #[cfg(any(target_os = "solaris"))]
+        IFF_INACTIVE;
+        /// Interface is offline
+        #[cfg(any(target_os = "solaris"))]
+        IFF_OFFLINE;
+        #[cfg(any(target_os = "solaris"))]
+        IFF_COS_ENABLED;
+        /// Prefer as source addr.
+        #[cfg(any(target_os = "solaris"))]
+        IFF_PREFERRED;
+        /// RFC3041
+        #[cfg(any(target_os = "solaris"))]
+        IFF_TEMPORARY;
+        /// MTU set with SIOCSLIFMTU
+        #[cfg(any(target_os = "solaris"))]
+        IFF_FIXEDMTU;
+        /// Cannot send / receive packets
+        #[cfg(any(target_os = "solaris"))]
+        IFF_VIRTUAL;
+        /// Local address in use
+        #[cfg(any(target_os = "solaris"))]
+        IFF_DUPLICATE;
+        /// IPMP IP interface
+        #[cfg(any(target_os = "solaris"))]
+        IFF_IPMP;
+    }
+);