diff options
Diffstat (limited to 'src/vendor/golang.org/x/net/route/interface_classic.go')
-rw-r--r-- | src/vendor/golang.org/x/net/route/interface_classic.go | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/vendor/golang.org/x/net/route/interface_classic.go b/src/vendor/golang.org/x/net/route/interface_classic.go new file mode 100644 index 0000000..903a196 --- /dev/null +++ b/src/vendor/golang.org/x/net/route/interface_classic.go @@ -0,0 +1,70 @@ +// 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. + +//go:build darwin || dragonfly || netbsd +// +build darwin dragonfly netbsd + +package route + +import ( + "runtime" + "syscall" +) + +func (w *wireFormat) parseInterfaceMessage(_ RIBType, b []byte) (Message, error) { + if len(b) < w.bodyOff { + return nil, errMessageTooShort + } + l := int(nativeEndian.Uint16(b[:2])) + if len(b) < l { + return nil, errInvalidMessage + } + attrs := uint(nativeEndian.Uint32(b[4:8])) + if attrs&syscall.RTA_IFP == 0 { + return nil, nil + } + m := &InterfaceMessage{ + Version: int(b[2]), + Type: int(b[3]), + Addrs: make([]Addr, syscall.RTAX_MAX), + Flags: int(nativeEndian.Uint32(b[8:12])), + Index: int(nativeEndian.Uint16(b[12:14])), + extOff: w.extOff, + raw: b[:l], + } + a, err := parseLinkAddr(b[w.bodyOff:]) + if err != nil { + return nil, err + } + m.Addrs[syscall.RTAX_IFP] = a + m.Name = a.(*LinkAddr).Name + return m, nil +} + +func (w *wireFormat) parseInterfaceAddrMessage(_ RIBType, b []byte) (Message, error) { + if len(b) < w.bodyOff { + return nil, errMessageTooShort + } + l := int(nativeEndian.Uint16(b[:2])) + if len(b) < l { + return nil, errInvalidMessage + } + m := &InterfaceAddrMessage{ + Version: int(b[2]), + Type: int(b[3]), + Flags: int(nativeEndian.Uint32(b[8:12])), + raw: b[:l], + } + if runtime.GOOS == "netbsd" { + m.Index = int(nativeEndian.Uint16(b[16:18])) + } else { + m.Index = int(nativeEndian.Uint16(b[12:14])) + } + var err error + m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[4:8])), parseKernelInetAddr, b[w.bodyOff:]) + if err != nil { + return nil, err + } + return m, nil +} |