diff options
| author | Anatole Denis <natolumin@unverle.fr> | 2019-09-17 11:41:54 +0200 |
|---|---|---|
| committer | Anatole Denis <natolumin@unverle.fr> | 2019-09-17 16:53:03 +0200 |
| commit | eac77666371b0272d980e9ea739cc890957971a9 (patch) | |
| tree | 650026e5a6b8869e87faa732276953b27d0b4232 /dhcpv4/bindtodevice_darwin.go | |
| parent | c20a7603ebe7f3246901e85d22ccc6476bcfbc96 (diff) | |
dhcpv4: Move BindToInterface to interfaces package
This moves the implementations of the BindToInterface to the interfaces/
package, since they aren't ipv4-specific.
The BindToInterface function remains in dhcpv4 (simply wraps the one in
interfaces) to keep backwards-compatibility
Additionally, fold bindtodevice_darwin into bindtodevice_bsd: darwin is
mostly a BSD, and happens to support IP_RECVIF, so use that instead of
IP_BOUND_IF, which only affects sends, not receives according to the
code comments in bsd/netinet/ip_output.c as well as being v4-only
Signed-off-by: Anatole Denis <natolumin@unverle.fr>
Diffstat (limited to 'dhcpv4/bindtodevice_darwin.go')
| -rw-r--r-- | dhcpv4/bindtodevice_darwin.go | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/dhcpv4/bindtodevice_darwin.go b/dhcpv4/bindtodevice_darwin.go deleted file mode 100644 index 3a1406b..0000000 --- a/dhcpv4/bindtodevice_darwin.go +++ /dev/null @@ -1,19 +0,0 @@ -// +build darwin - -package dhcpv4 - -import ( - "net" - - "golang.org/x/sys/unix" -) - -// BindToInterface emulates linux's SO_BINDTODEVICE option for a socket by using -// SO_IP_BOUND_IF. -func BindToInterface(fd int, ifname string) error { - iface, err := net.InterfaceByName(ifname) - if err != nil { - return err - } - return unix.SetsockoptInt(fd, unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index) -} |