cwinfo/yggdrasil-go
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This commit is contained in:
Neil Alexander 2018-02-14 11:46:10 +00:00
parent 0bf43b758f
commit 34b264067e
1 changed files with 9 additions and 11 deletions
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20
src/yggdrasil/icmpv6.go
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@ -155,17 +155,17 @@ func (i *icmpv6) create_icmpv6_tap(dstmac macAddress, dst net.IP, mtype ipv6.ICM
return nil, err return nil, err
} }
// Create the response buffer // Create the response buffer
dataout := make([]byte, ETHER+ipv6.HeaderLen+len(mbody)) dataout := make([]byte, ETHER+ipv6.HeaderLen+len(mbody))
// Populate the response ethernet headers // Populate the response ethernet headers
copy(dataout[:6], dstmac[:6]) copy(dataout[:6], dstmac[:6])
copy(dataout[6:12], i.mymac[:]) copy(dataout[6:12], i.mymac[:])
binary.BigEndian.PutUint16(dataout[12:14], uint16(0x86DD)) binary.BigEndian.PutUint16(dataout[12:14], uint16(0x86DD))
// Copy the returned packet to our response ethernet frame // Copy the returned packet to our response ethernet frame
copy(dataout[ETHER:], ipv6packet) copy(dataout[ETHER:], ipv6packet)
return dataout, nil return dataout, nil
} }
func (i *icmpv6) create_icmpv6_tun(dst net.IP, mtype ipv6.ICMPType, mcode int, mbody []byte) ([]byte, error) { func (i *icmpv6) create_icmpv6_tun(dst net.IP, mtype ipv6.ICMPType, mcode int, mbody []byte) ([]byte, error) {
@ -207,8 +207,6 @@ func (i *icmpv6) create_icmpv6_tun(dst net.IP, mtype ipv6.ICMPType, mcode int, m
return responsePacket, nil return responsePacket, nil
} }
func (i *icmpv6) handle_ndp(in []byte) ([]byte, error) { func (i *icmpv6) handle_ndp(in []byte) ([]byte, error) {
// Ignore NDP requests for anything outside of fd00::/8 // Ignore NDP requests for anything outside of fd00::/8
if in[8] != 0xFD { if in[8] != 0xFD {