TUN-6592: Decrement TTL and return ICMP time exceed if it's 0

This commit is contained in:
cthuang
2022-09-13 14:00:54 +01:00
parent f5f3e6a453
commit 8a53c1aa1d
18 changed files with 515 additions and 106 deletions

View File

@@ -61,11 +61,13 @@ func TestDecodeICMP(t *testing.T) {
Src: netip.MustParseAddr("172.16.0.1"),
Dst: netip.MustParseAddr("10.0.0.1"),
Protocol: layers.IPProtocolICMPv4,
TTL: DefaultTTL,
}
ipv6Packet = IP{
Src: netip.MustParseAddr("fd51:2391:523:f4ee::1"),
Dst: netip.MustParseAddr("fd51:2391:697:f4ee::2"),
Protocol: layers.IPProtocolICMPv6,
TTL: DefaultTTL,
}
icmpID = 100
icmpSeq = 52819
@@ -171,7 +173,7 @@ func TestDecodeBadPackets(t *testing.T) {
SrcIP: srcIPv4,
DstIP: dstIPv4,
Protocol: layers.IPProtocolICMPv4,
TTL: defaultTTL,
TTL: DefaultTTL,
}
icmpLayer := layers.ICMPv4{
TypeCode: layers.CreateICMPv4TypeCode(uint8(ipv4.ICMPTypeEcho), 0),
@@ -231,6 +233,7 @@ func assertIPLayer(t *testing.T, expected, actual *IP) {
require.Equal(t, expected.Src, actual.Src)
require.Equal(t, expected.Dst, actual.Dst)
require.Equal(t, expected.Protocol, actual.Protocol)
require.Equal(t, expected.TTL, actual.TTL)
}
type UDP struct {