diff options
author | Christopher Speller <crspeller@gmail.com> | 2016-10-03 16:03:15 -0400 |
---|---|---|
committer | GitHub <noreply@github.com> | 2016-10-03 16:03:15 -0400 |
commit | 8f91c777559748fa6e857d9fc1f4ae079a532813 (patch) | |
tree | 190f7cef373764a0d47a91045fdb486ee3d6781d /vendor/golang.org/x/net/internal/nettest/helper_bsd.go | |
parent | 5f8e5c401bd96cba9a98b2db02d72f9cbacb0103 (diff) | |
download | chat-8f91c777559748fa6e857d9fc1f4ae079a532813.tar.gz chat-8f91c777559748fa6e857d9fc1f4ae079a532813.tar.bz2 chat-8f91c777559748fa6e857d9fc1f4ae079a532813.zip |
Adding ability to serve TLS directly from Mattermost server (#4119)
Diffstat (limited to 'vendor/golang.org/x/net/internal/nettest/helper_bsd.go')
-rw-r--r-- | vendor/golang.org/x/net/internal/nettest/helper_bsd.go | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/internal/nettest/helper_bsd.go b/vendor/golang.org/x/net/internal/nettest/helper_bsd.go new file mode 100644 index 000000000..b2308a0e8 --- /dev/null +++ b/vendor/golang.org/x/net/internal/nettest/helper_bsd.go @@ -0,0 +1,48 @@ +// Copyright 2016 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 dragonfly freebsd netbsd openbsd + +package nettest + +import ( + "runtime" + "strconv" + "strings" + "syscall" +) + +func supportsIPv6MulticastDeliveryOnLoopback() bool { + switch runtime.GOOS { + case "freebsd": + // See http://www.freebsd.org/cgi/query-pr.cgi?pr=180065. + // Even after the fix, it looks like the latest + // kernels don't deliver link-local scoped multicast + // packets correctly. + return false + case "darwin": + // See http://support.apple.com/kb/HT1633. + s, err := syscall.Sysctl("kern.osrelease") + if err != nil { + return false + } + ss := strings.Split(s, ".") + if len(ss) == 0 { + return false + } + // OS X 10.9 (Darwin 13) or above seems to do the + // right thing; preserving the packet header as it's + // needed for the checksum calcuration with pseudo + // header on loopback multicast delivery process. + // If not, you'll probably see what is the slow-acting + // kernel crash caused by lazy mbuf corruption. + // See ip6_mloopback in netinet6/ip6_output.c. + if mjver, err := strconv.Atoi(ss[0]); err != nil || mjver < 13 { + return false + } + return true + default: + return true + } +} |