1 files changed, 0 insertions, 224 deletions
diff --git a/src/pkg/syscall/route_bsd.go b/src/pkg/syscall/route_bsd.go
deleted file mode 100644
index 48af58745..000000000
--- a/src/pkg/syscall/route_bsd.go
+++ /dev/null
@@ -1,224 +0,0 @@
-// Copyright 2011 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
-
-// Routing sockets and messages
-
-package syscall
-
-import "unsafe"
-
-// Round the length of a raw sockaddr up to align it properly.
-func rsaAlignOf(salen int) int {
-	salign := sizeofPtr
-	// NOTE: It seems like 64-bit Darwin kernel still requires
-	// 32-bit aligned access to BSD subsystem. Also NetBSD 6
-	// kernel and beyond require 64-bit aligned access to routing
-	// facilities.
-	if darwin64Bit {
-		salign = 4
-	} else if netbsd32Bit {
-		salign = 8
-	}
-	if salen == 0 {
-		return salign
-	}
-	return (salen + salign - 1) & ^(salign - 1)
-}
-
-// RouteRIB returns routing information base, as known as RIB,
-// which consists of network facility information, states and
-// parameters.
-func RouteRIB(facility, param int) ([]byte, error) {
-	mib := []_C_int{CTL_NET, AF_ROUTE, 0, 0, _C_int(facility), _C_int(param)}
-	// Find size.
-	n := uintptr(0)
-	if err := sysctl(mib, nil, &n, nil, 0); err != nil {
-		return nil, err
-	}
-	if n == 0 {
-		return nil, nil
-	}
-	tab := make([]byte, n)
-	if err := sysctl(mib, &tab[0], &n, nil, 0); err != nil {
-		return nil, err
-	}
-	return tab[:n], nil
-}
-
-// RoutingMessage represents a routing message.
-type RoutingMessage interface {
-	sockaddr() []Sockaddr
-}
-
-const anyMessageLen = int(unsafe.Sizeof(anyMessage{}))
-
-type anyMessage struct {
-	Msglen  uint16
-	Version uint8
-	Type    uint8
-}
-
-// RouteMessage represents a routing message containing routing
-// entries.
-type RouteMessage struct {
-	Header RtMsghdr
-	Data   []byte
-}
-
-const rtaRtMask = RTA_DST | RTA_GATEWAY | RTA_NETMASK | RTA_GENMASK
-
-func (m *RouteMessage) sockaddr() []Sockaddr {
-	var (
-		af  int
-		sas [4]Sockaddr
-	)
-	b := m.Data[:]
-	for i := uint(0); i < RTAX_MAX; i++ {
-		if m.Header.Addrs&rtaRtMask&(1<<i) == 0 {
-			continue
-		}
-		rsa := (*RawSockaddr)(unsafe.Pointer(&b[0]))
-		switch i {
-		case RTAX_DST, RTAX_GATEWAY:
-			sa, err := anyToSockaddr((*RawSockaddrAny)(unsafe.Pointer(rsa)))
-			if err != nil {
-				return nil
-			}
-			if i == RTAX_DST {
-				af = int(rsa.Family)
-			}
-			sas[i] = sa
-		case RTAX_NETMASK, RTAX_GENMASK:
-			switch af {
-			case AF_INET:
-				rsa4 := (*RawSockaddrInet4)(unsafe.Pointer(&b[0]))
-				sa := new(SockaddrInet4)
-				for j := 0; rsa4.Len > 0 && j < int(rsa4.Len)-int(unsafe.Offsetof(rsa4.Addr)); j++ {
-					sa.Addr[j] = rsa4.Addr[j]
-				}
-				sas[i] = sa
-			case AF_INET6:
-				rsa6 := (*RawSockaddrInet6)(unsafe.Pointer(&b[0]))
-				sa := new(SockaddrInet6)
-				for j := 0; rsa6.Len > 0 && j < int(rsa6.Len)-int(unsafe.Offsetof(rsa6.Addr)); j++ {
-					sa.Addr[j] = rsa6.Addr[j]
-				}
-				sas[i] = sa
-			}
-		}
-		b = b[rsaAlignOf(int(rsa.Len)):]
-	}
-	return sas[:]
-}
-
-// InterfaceMessage represents a routing message containing
-// network interface entries.
-type InterfaceMessage struct {
-	Header IfMsghdr
-	Data   []byte
-}
-
-func (m *InterfaceMessage) sockaddr() (sas []Sockaddr) {
-	if m.Header.Addrs&RTA_IFP == 0 {
-		return nil
-	}
-	sa, err := anyToSockaddr((*RawSockaddrAny)(unsafe.Pointer(&m.Data[0])))
-	if err != nil {
-		return nil
-	}
-	return append(sas, sa)
-}
-
-// InterfaceAddrMessage represents a routing message containing
-// network interface address entries.
-type InterfaceAddrMessage struct {
-	Header IfaMsghdr
-	Data   []byte
-}
-
-const rtaIfaMask = RTA_IFA | RTA_NETMASK | RTA_BRD
-
-func (m *InterfaceAddrMessage) sockaddr() (sas []Sockaddr) {
-	if m.Header.Addrs&rtaIfaMask == 0 {
-		return nil
-	}
-	b := m.Data[:]
-	// We still see AF_UNSPEC in socket addresses on some
-	// platforms. To identify each address family correctly, we
-	// will use the address family of RTAX_NETMASK as a preferred
-	// one on the 32-bit NetBSD kernel, also use the length of
-	// RTAX_NETMASK socket address on the FreeBSD kernel.
-	preferredFamily := uint8(AF_UNSPEC)
-	for i := uint(0); i < RTAX_MAX; i++ {
-		if m.Header.Addrs&rtaIfaMask&(1<<i) == 0 {
-			continue
-		}
-		rsa := (*RawSockaddr)(unsafe.Pointer(&b[0]))
-		switch i {
-		case RTAX_IFA:
-			if rsa.Family == AF_UNSPEC {
-				rsa.Family = preferredFamily
-			}
-			sa, err := anyToSockaddr((*RawSockaddrAny)(unsafe.Pointer(rsa)))
-			if err != nil {
-				return nil
-			}
-			sas = append(sas, sa)
-		case RTAX_NETMASK:
-			switch rsa.Family {
-			case AF_UNSPEC:
-				switch rsa.Len {
-				case SizeofSockaddrInet4:
-					rsa.Family = AF_INET
-				case SizeofSockaddrInet6:
-					rsa.Family = AF_INET6
-				default:
-					rsa.Family = AF_INET // an old fashion, AF_UNSPEC means AF_INET
-				}
-			case AF_INET, AF_INET6:
-				preferredFamily = rsa.Family
-			default:
-				return nil
-			}
-			sa, err := anyToSockaddr((*RawSockaddrAny)(unsafe.Pointer(rsa)))
-			if err != nil {
-				return nil
-			}
-			sas = append(sas, sa)
-		case RTAX_BRD:
-			// nothing to do
-		}
-		b = b[rsaAlignOf(int(rsa.Len)):]
-	}
-	return sas
-}
-
-// ParseRoutingMessage parses b as routing messages and returns the
-// slice containing the RoutingMessage interfaces.
-func ParseRoutingMessage(b []byte) (msgs []RoutingMessage, err error) {
-	msgCount := 0
-	for len(b) >= anyMessageLen {
-		msgCount++
-		any := (*anyMessage)(unsafe.Pointer(&b[0]))
-		if any.Version != RTM_VERSION {
-			b = b[any.Msglen:]
-			continue
-		}
-		msgs = append(msgs, any.toRoutingMessage(b))
-		b = b[any.Msglen:]
-	}
-	// We failed to parse any of the messages - version mismatch?
-	if msgCount > 0 && len(msgs) == 0 {
-		return nil, EINVAL
-	}
-	return msgs, nil
-}
-
-// ParseRoutingMessage parses msg's payload as raw sockaddrs and
-// returns the slice containing the Sockaddr interfaces.
-func ParseRoutingSockaddr(msg RoutingMessage) (sas []Sockaddr, err error) {
-	return append(sas, msg.sockaddr()...), nil
-}