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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:19:13 +0000
commitccd992355df7192993c666236047820244914598 (patch)
treef00fea65147227b7743083c6148396f74cd66935 /src/net/interface_freebsd.go
parentInitial commit. (diff)
downloadgolang-1.21-ccd992355df7192993c666236047820244914598.tar.xz
golang-1.21-ccd992355df7192993c666236047820244914598.zip
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/net/interface_freebsd.go')
-rw-r--r--src/net/interface_freebsd.go53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/net/interface_freebsd.go b/src/net/interface_freebsd.go
new file mode 100644
index 0000000..8536bd3
--- /dev/null
+++ b/src/net/interface_freebsd.go
@@ -0,0 +1,53 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package net
+
+import (
+ "syscall"
+
+ "golang.org/x/net/route"
+)
+
+func interfaceMessages(ifindex int) ([]route.Message, error) {
+ rib, err := route.FetchRIB(syscall.AF_UNSPEC, route.RIBTypeInterface, ifindex)
+ if err != nil {
+ return nil, err
+ }
+ return route.ParseRIB(route.RIBTypeInterface, rib)
+}
+
+// interfaceMulticastAddrTable returns addresses for a specific
+// interface.
+func interfaceMulticastAddrTable(ifi *Interface) ([]Addr, error) {
+ rib, err := route.FetchRIB(syscall.AF_UNSPEC, syscall.NET_RT_IFMALIST, ifi.Index)
+ if err != nil {
+ return nil, err
+ }
+ msgs, err := route.ParseRIB(syscall.NET_RT_IFMALIST, rib)
+ if err != nil {
+ return nil, err
+ }
+ ifmat := make([]Addr, 0, len(msgs))
+ for _, m := range msgs {
+ switch m := m.(type) {
+ case *route.InterfaceMulticastAddrMessage:
+ if ifi.Index != m.Index {
+ continue
+ }
+ var ip IP
+ switch sa := m.Addrs[syscall.RTAX_IFA].(type) {
+ case *route.Inet4Addr:
+ ip = IPv4(sa.IP[0], sa.IP[1], sa.IP[2], sa.IP[3])
+ case *route.Inet6Addr:
+ ip = make(IP, IPv6len)
+ copy(ip, sa.IP[:])
+ }
+ if ip != nil {
+ ifmat = append(ifmat, &IPAddr{IP: ip})
+ }
+ }
+ }
+ return ifmat, nil
+}