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https://github.com/cwinfo/yggdrasil-go.git
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Don't send ICMPv6 back when tun disabled
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parent
9eaa2566c1
commit
2a38ad07cd
@ -270,25 +270,6 @@ func (r *router) sendPacket(bs []byte) {
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// Drop packets if the session MTU is 0 - this means that one or other
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// Drop packets if the session MTU is 0 - this means that one or other
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// side probably has their TUN adapter disabled
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// side probably has their TUN adapter disabled
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if sinfo.getMTU() == 0 {
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if sinfo.getMTU() == 0 {
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// Get the size of the oversized payload, up to a max of 900 bytes
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window := 900
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if len(bs) < window {
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window = len(bs)
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}
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// Create the Destination Unreachable response
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ptb := &icmp.DstUnreach{
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Data: bs[:window],
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}
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// Create the ICMPv6 response from it
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icmpv6Buf, err := r.tun.icmpv6.create_icmpv6_tun(
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bs[8:24], bs[24:40],
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ipv6.ICMPTypeDestinationUnreachable, 1, ptb)
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if err == nil {
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r.recv <- icmpv6Buf
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}
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// Don't continue - drop the packet
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// Don't continue - drop the packet
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return
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return
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}
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}
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