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-rw-r--r--vendor/golang.org/x/net/ipv6/sys_darwin.go105
1 files changed, 105 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv6/sys_darwin.go b/vendor/golang.org/x/net/ipv6/sys_darwin.go
new file mode 100644
index 000000000..1e1c4aefa
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv6/sys_darwin.go
@@ -0,0 +1,105 @@
+// 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.
+
+package ipv6
+
+import (
+ "net"
+ "strconv"
+ "strings"
+ "syscall"
+ "unsafe"
+
+ "golang.org/x/net/internal/iana"
+)
+
+var (
+ ctlOpts = [ctlMax]ctlOpt{
+ ctlHopLimit: {sysIPV6_2292HOPLIMIT, 4, marshal2292HopLimit, parseHopLimit},
+ ctlPacketInfo: {sysIPV6_2292PKTINFO, sysSizeofInet6Pktinfo, marshal2292PacketInfo, parsePacketInfo},
+ }
+
+ sockOpts = [ssoMax]sockOpt{
+ ssoHopLimit: {iana.ProtocolIPv6, sysIPV6_UNICAST_HOPS, ssoTypeInt},
+ ssoMulticastInterface: {iana.ProtocolIPv6, sysIPV6_MULTICAST_IF, ssoTypeInterface},
+ ssoMulticastHopLimit: {iana.ProtocolIPv6, sysIPV6_MULTICAST_HOPS, ssoTypeInt},
+ ssoMulticastLoopback: {iana.ProtocolIPv6, sysIPV6_MULTICAST_LOOP, ssoTypeInt},
+ ssoReceiveHopLimit: {iana.ProtocolIPv6, sysIPV6_2292HOPLIMIT, ssoTypeInt},
+ ssoReceivePacketInfo: {iana.ProtocolIPv6, sysIPV6_2292PKTINFO, ssoTypeInt},
+ ssoChecksum: {iana.ProtocolIPv6, sysIPV6_CHECKSUM, ssoTypeInt},
+ ssoICMPFilter: {iana.ProtocolIPv6ICMP, sysICMP6_FILTER, ssoTypeICMPFilter},
+ ssoJoinGroup: {iana.ProtocolIPv6, sysIPV6_JOIN_GROUP, ssoTypeIPMreq},
+ ssoLeaveGroup: {iana.ProtocolIPv6, sysIPV6_LEAVE_GROUP, ssoTypeIPMreq},
+ }
+)
+
+func init() {
+ // Seems like kern.osreldate is veiled on latest OS X. We use
+ // kern.osrelease instead.
+ s, err := syscall.Sysctl("kern.osrelease")
+ if err != nil {
+ return
+ }
+ ss := strings.Split(s, ".")
+ if len(ss) == 0 {
+ return
+ }
+ // The IP_PKTINFO and protocol-independent multicast API were
+ // introduced in OS X 10.7 (Darwin 11). But it looks like
+ // those features require OS X 10.8 (Darwin 12) or above.
+ // See http://support.apple.com/kb/HT1633.
+ if mjver, err := strconv.Atoi(ss[0]); err != nil || mjver < 12 {
+ return
+ }
+ ctlOpts[ctlTrafficClass] = ctlOpt{sysIPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}
+ ctlOpts[ctlHopLimit] = ctlOpt{sysIPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}
+ ctlOpts[ctlPacketInfo] = ctlOpt{sysIPV6_PKTINFO, sysSizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}
+ ctlOpts[ctlNextHop] = ctlOpt{sysIPV6_NEXTHOP, sysSizeofSockaddrInet6, marshalNextHop, parseNextHop}
+ ctlOpts[ctlPathMTU] = ctlOpt{sysIPV6_PATHMTU, sysSizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}
+ sockOpts[ssoTrafficClass] = sockOpt{iana.ProtocolIPv6, sysIPV6_TCLASS, ssoTypeInt}
+ sockOpts[ssoReceiveTrafficClass] = sockOpt{iana.ProtocolIPv6, sysIPV6_RECVTCLASS, ssoTypeInt}
+ sockOpts[ssoReceiveHopLimit] = sockOpt{iana.ProtocolIPv6, sysIPV6_RECVHOPLIMIT, ssoTypeInt}
+ sockOpts[ssoReceivePacketInfo] = sockOpt{iana.ProtocolIPv6, sysIPV6_RECVPKTINFO, ssoTypeInt}
+ sockOpts[ssoReceivePathMTU] = sockOpt{iana.ProtocolIPv6, sysIPV6_RECVPATHMTU, ssoTypeInt}
+ sockOpts[ssoPathMTU] = sockOpt{iana.ProtocolIPv6, sysIPV6_PATHMTU, ssoTypeMTUInfo}
+ sockOpts[ssoJoinGroup] = sockOpt{iana.ProtocolIPv6, sysMCAST_JOIN_GROUP, ssoTypeGroupReq}
+ sockOpts[ssoLeaveGroup] = sockOpt{iana.ProtocolIPv6, sysMCAST_LEAVE_GROUP, ssoTypeGroupReq}
+ sockOpts[ssoJoinSourceGroup] = sockOpt{iana.ProtocolIPv6, sysMCAST_JOIN_SOURCE_GROUP, ssoTypeGroupSourceReq}
+ sockOpts[ssoLeaveSourceGroup] = sockOpt{iana.ProtocolIPv6, sysMCAST_LEAVE_SOURCE_GROUP, ssoTypeGroupSourceReq}
+ sockOpts[ssoBlockSourceGroup] = sockOpt{iana.ProtocolIPv6, sysMCAST_BLOCK_SOURCE, ssoTypeGroupSourceReq}
+ sockOpts[ssoUnblockSourceGroup] = sockOpt{iana.ProtocolIPv6, sysMCAST_UNBLOCK_SOURCE, ssoTypeGroupSourceReq}
+}
+
+func (sa *sysSockaddrInet6) setSockaddr(ip net.IP, i int) {
+ sa.Len = sysSizeofSockaddrInet6
+ sa.Family = syscall.AF_INET6
+ copy(sa.Addr[:], ip)
+ sa.Scope_id = uint32(i)
+}
+
+func (pi *sysInet6Pktinfo) setIfindex(i int) {
+ pi.Ifindex = uint32(i)
+}
+
+func (mreq *sysIPv6Mreq) setIfindex(i int) {
+ mreq.Interface = uint32(i)
+}
+
+func (gr *sysGroupReq) setGroup(grp net.IP) {
+ sa := (*sysSockaddrInet6)(unsafe.Pointer(&gr.Pad_cgo_0[0]))
+ sa.Len = sysSizeofSockaddrInet6
+ sa.Family = syscall.AF_INET6
+ copy(sa.Addr[:], grp)
+}
+
+func (gsr *sysGroupSourceReq) setSourceGroup(grp, src net.IP) {
+ sa := (*sysSockaddrInet6)(unsafe.Pointer(&gsr.Pad_cgo_0[0]))
+ sa.Len = sysSizeofSockaddrInet6
+ sa.Family = syscall.AF_INET6
+ copy(sa.Addr[:], grp)
+ sa = (*sysSockaddrInet6)(unsafe.Pointer(&gsr.Pad_cgo_1[0]))
+ sa.Len = sysSizeofSockaddrInet6
+ sa.Family = syscall.AF_INET6
+ copy(sa.Addr[:], src)
+}