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handle IPv6 address in tproxy

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This commit is contained in:
Darien Raymond 2017-01-13 17:10:07 +01:00
parent c48e1f02a6
commit 0a91893a26
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GPG Key ID: 7251FFA14BB18169
1 changed files with 5 additions and 1 deletions
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6
transport/internet/udp/hub_linux.go
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@ -25,10 +25,14 @@ func RetrieveOriginalDest(oob []byte) v2net.Destination {
return v2net.Destination{}
}
for _, msg := range msgs {
if msg.Header.Level == syscall.SOL_IP && msg.Header.Type == syscall.IP_ORIGDSTADDR {
if msg.Header.Level == syscall.SOL_IP && msg.Header.Type == syscall.IP_RECVORIGDSTADDR {
ip := v2net.IPAddress(msg.Data[4:8])
port := v2net.PortFromBytes(msg.Data[2:4])
return v2net.UDPDestination(ip, port)
} else if msg.Header.Level == syscall.SOL_IPV6 && msg.Header.Type == syscall.IP_RECVORIGDSTADDR {
ip := v2net.IPAddress(msg.Data[8:24])
port := v2net.PortFromBytes(msg.Data[2:4])
return v2net.UDPDestination(ip, port)
}
}
return v2net.Destination{}