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// 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 netbsd
package route
import "runtime"
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&sysRTA_IFP == 0 {
return nil, nil
}
m := &InterfaceMessage{
Version: int(b[2]),
Type: int(b[3]),
Addrs: make([]Addr, sysRTAX_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[sysRTAX_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
}
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