purgatory/pingtunnel
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esrrhs 2019-10-25 21:19:00 +08:00
parent 2fda6b845c
commit d34ecbaca6
1 changed files with 4 additions and 0 deletions
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4
pingtunnel.go
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@ -87,6 +87,10 @@ func recvICMP(conn icmp.PacketConn, recv chan<- *Packet) {
} }
} }
if n <= 0 {
continue
}
echoId := int(binary.BigEndian.Uint16(bytes[4:6])) echoId := int(binary.BigEndian.Uint16(bytes[4:6]))
echoSeq := int(binary.BigEndian.Uint16(bytes[6:8])) echoSeq := int(binary.BigEndian.Uint16(bytes[6:8]))