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TUN-6530: Implement ICMPv4 proxy

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This proxy uses unprivileged datagram-oriented endpoint and is shared by all quic connections
This commit is contained in:
cthuang
2022-08-18 16:03:47 +01:00
parent f6bd4aa039
commit 59f5b0df83
10 changed files with 440 additions and 126 deletions
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12
packet/decoder_test.go
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@@ -43,11 +43,11 @@ func TestDecodeIP(t *testing.T) {
p, err := encoder.Encode(&udp)
require.NoError(t, err)
ipPacket, err := ipDecoder.Decode(p.Data)
ipPacket, err := ipDecoder.Decode(p)
require.NoError(t, err)
assertIPLayer(t, &udp.IP, ipPacket)
icmpPacket, err := icmpDecoder.Decode(p.Data)
icmpPacket, err := icmpDecoder.Decode(p)
require.Error(t, err)
require.Nil(t, icmpPacket)
}
@@ -137,14 +137,14 @@ func TestDecodeICMP(t *testing.T) {
p, err := encoder.Encode(test.packet)
require.NoError(t, err)
ipPacket, err := ipDecoder.Decode(p.Data)
ipPacket, err := ipDecoder.Decode(p)
require.NoError(t, err)
if ipPacket.Src.Is4() {
assertIPLayer(t, &ipv4Packet, ipPacket)
} else {
assertIPLayer(t, &ipv6Packet, ipPacket)
}
icmpPacket, err := icmpDecoder.Decode(p.Data)
icmpPacket, err := icmpDecoder.Decode(p)
require.NoError(t, err)
require.Equal(t, ipPacket, icmpPacket.IP)
@@ -202,11 +202,11 @@ func TestDecodeBadPackets(t *testing.T) {
ipDecoder := NewIPDecoder()
icmpDecoder := NewICMPDecoder()
for _, test := range tests {
ipPacket, err := ipDecoder.Decode(test.packet)
ipPacket, err := ipDecoder.Decode(RawPacket{Data: test.packet})
require.Error(t, err)
require.Nil(t, ipPacket)
icmpPacket, err := icmpDecoder.Decode(test.packet)
icmpPacket, err := icmpDecoder.Decode(RawPacket{Data: test.packet})
require.Error(t, err)
require.Nil(t, icmpPacket)
}