From 8f91c777559748fa6e857d9fc1f4ae079a532813 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 3 Oct 2016 16:03:15 -0400
Subject: Adding ability to serve TLS directly from Mattermost server (#4119)

---
 .../golang.org/x/net/ipv4/sockopt_ssmreq_unix.go   | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go

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

diff --git a/vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go b/vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go
new file mode 100644
index 000000000..588e9b943
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/sockopt_ssmreq_unix.go
@@ -0,0 +1,61 @@
+// 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.
+
+// +build darwin freebsd linux
+
+package ipv4
+
+import (
+	"net"
+	"os"
+	"unsafe"
+
+	"golang.org/x/net/internal/iana"
+)
+
+var freebsd32o64 bool
+
+func setsockoptGroupReq(s uintptr, name int, ifi *net.Interface, grp net.IP) error {
+	var gr sysGroupReq
+	if ifi != nil {
+		gr.Interface = uint32(ifi.Index)
+	}
+	gr.setGroup(grp)
+	var p unsafe.Pointer
+	var l uint32
+	if freebsd32o64 {
+		var d [sysSizeofGroupReq + 4]byte
+		s := (*[sysSizeofGroupReq]byte)(unsafe.Pointer(&gr))
+		copy(d[:4], s[:4])
+		copy(d[8:], s[4:])
+		p = unsafe.Pointer(&d[0])
+		l = sysSizeofGroupReq + 4
+	} else {
+		p = unsafe.Pointer(&gr)
+		l = sysSizeofGroupReq
+	}
+	return os.NewSyscallError("setsockopt", setsockopt(s, iana.ProtocolIP, name, p, l))
+}
+
+func setsockoptGroupSourceReq(s uintptr, name int, ifi *net.Interface, grp, src net.IP) error {
+	var gsr sysGroupSourceReq
+	if ifi != nil {
+		gsr.Interface = uint32(ifi.Index)
+	}
+	gsr.setSourceGroup(grp, src)
+	var p unsafe.Pointer
+	var l uint32
+	if freebsd32o64 {
+		var d [sysSizeofGroupSourceReq + 4]byte
+		s := (*[sysSizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))
+		copy(d[:4], s[:4])
+		copy(d[8:], s[4:])
+		p = unsafe.Pointer(&d[0])
+		l = sysSizeofGroupSourceReq + 4
+	} else {
+		p = unsafe.Pointer(&gsr)
+		l = sysSizeofGroupSourceReq
+	}
+	return os.NewSyscallError("setsockopt", setsockopt(s, iana.ProtocolIP, name, p, l))
+}
-- 
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