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
---
 .../golang.org/x/net/ipv6/control_rfc3542_unix.go  | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go

(limited to 'vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go')

diff --git a/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go b/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go
new file mode 100644
index 000000000..9c90844aa
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go
@@ -0,0 +1,97 @@
+// Copyright 2013 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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
+
+package ipv6
+
+import (
+	"net"
+	"unsafe"
+
+	"golang.org/x/net/internal/iana"
+	"golang.org/x/net/internal/socket"
+
+	"golang.org/x/sys/unix"
+)
+
+func marshalTrafficClass(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_TCLASS, 4)
+	if cm != nil {
+		socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.TrafficClass))
+	}
+	return m.Next(4)
+}
+
+func parseTrafficClass(cm *ControlMessage, b []byte) {
+	cm.TrafficClass = int(socket.NativeEndian.Uint32(b[:4]))
+}
+
+func marshalHopLimit(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_HOPLIMIT, 4)
+	if cm != nil {
+		socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.HopLimit))
+	}
+	return m.Next(4)
+}
+
+func parseHopLimit(cm *ControlMessage, b []byte) {
+	cm.HopLimit = int(socket.NativeEndian.Uint32(b[:4]))
+}
+
+func marshalPacketInfo(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PKTINFO, sizeofInet6Pktinfo)
+	if cm != nil {
+		pi := (*inet6Pktinfo)(unsafe.Pointer(&m.Data(sizeofInet6Pktinfo)[0]))
+		if ip := cm.Src.To16(); ip != nil && ip.To4() == nil {
+			copy(pi.Addr[:], ip)
+		}
+		if cm.IfIndex > 0 {
+			pi.setIfindex(cm.IfIndex)
+		}
+	}
+	return m.Next(sizeofInet6Pktinfo)
+}
+
+func parsePacketInfo(cm *ControlMessage, b []byte) {
+	pi := (*inet6Pktinfo)(unsafe.Pointer(&b[0]))
+	if len(cm.Dst) < net.IPv6len {
+		cm.Dst = make(net.IP, net.IPv6len)
+	}
+	copy(cm.Dst, pi.Addr[:])
+	cm.IfIndex = int(pi.Ifindex)
+}
+
+func marshalNextHop(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_NEXTHOP, sizeofSockaddrInet6)
+	if cm != nil {
+		sa := (*sockaddrInet6)(unsafe.Pointer(&m.Data(sizeofSockaddrInet6)[0]))
+		sa.setSockaddr(cm.NextHop, cm.IfIndex)
+	}
+	return m.Next(sizeofSockaddrInet6)
+}
+
+func parseNextHop(cm *ControlMessage, b []byte) {
+}
+
+func marshalPathMTU(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo)
+	return m.Next(sizeofIPv6Mtuinfo)
+}
+
+func parsePathMTU(cm *ControlMessage, b []byte) {
+	mi := (*ipv6Mtuinfo)(unsafe.Pointer(&b[0]))
+	if len(cm.Dst) < net.IPv6len {
+		cm.Dst = make(net.IP, net.IPv6len)
+	}
+	copy(cm.Dst, mi.Addr.Addr[:])
+	cm.IfIndex = int(mi.Addr.Scope_id)
+	cm.MTU = int(mi.Mtu)
+}
-- 
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