From cf5c6d724d381a867a7ff5d82fb9432e26c395e8 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Sat, 11 Jun 2022 11:09:31 +0200
Subject: [chore] Validate/set account domain (#619)

* add miekg/dns dependency

* set/validate accountDomain
---
 vendor/golang.org/x/net/ipv4/control_pktinfo.go | 42 +++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 vendor/golang.org/x/net/ipv4/control_pktinfo.go

(limited to 'vendor/golang.org/x/net/ipv4/control_pktinfo.go')

diff --git a/vendor/golang.org/x/net/ipv4/control_pktinfo.go b/vendor/golang.org/x/net/ipv4/control_pktinfo.go
new file mode 100644
index 000000000..0e748dbdc
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/control_pktinfo.go
@@ -0,0 +1,42 @@
+// Copyright 2014 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.
+
+//go:build darwin || linux || solaris
+// +build darwin linux solaris
+
+package ipv4
+
+import (
+	"net"
+	"unsafe"
+
+	"golang.org/x/net/internal/iana"
+	"golang.org/x/net/internal/socket"
+
+	"golang.org/x/sys/unix"
+)
+
+func marshalPacketInfo(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIP, unix.IP_PKTINFO, sizeofInetPktinfo)
+	if cm != nil {
+		pi := (*inetPktinfo)(unsafe.Pointer(&m.Data(sizeofInetPktinfo)[0]))
+		if ip := cm.Src.To4(); ip != nil {
+			copy(pi.Spec_dst[:], ip)
+		}
+		if cm.IfIndex > 0 {
+			pi.setIfindex(cm.IfIndex)
+		}
+	}
+	return m.Next(sizeofInetPktinfo)
+}
+
+func parsePacketInfo(cm *ControlMessage, b []byte) {
+	pi := (*inetPktinfo)(unsafe.Pointer(&b[0]))
+	cm.IfIndex = int(pi.Ifindex)
+	if len(cm.Dst) < net.IPv4len {
+		cm.Dst = make(net.IP, net.IPv4len)
+	}
+	copy(cm.Dst, pi.Addr[:])
+}
-- 
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