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TUN-6741: ICMP proxy tries to listen on specific IPv4 & IPv6 when possible

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If it cannot determine the correct interface IP, it will fallback to all interfaces.
This commit also introduces the icmpv4-src and icmpv6-src flags
This commit is contained in:
cthuang
2022-09-20 11:39:51 +01:00
parent 3449ea35f2
commit be0305ec58
22 changed files with 262 additions and 109 deletions
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6
ingress/origin_icmp_proxy_test.go
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@@ -42,7 +42,7 @@ func testICMPRouterEcho(t *testing.T, sendIPv4 bool) {
endSeq = 20
)
router, err := NewICMPRouter(&noopLogger)
router, err := NewICMPRouter(localhostIP, localhostIPv6, "", &noopLogger)
require.NoError(t, err)
proxyDone := make(chan struct{})
@@ -106,7 +106,7 @@ func TestConcurrentRequestsToSameDst(t *testing.T) {
endSeq = 5
)
router, err := NewICMPRouter(&noopLogger)
router, err := NewICMPRouter(localhostIP, localhostIPv6, "", &noopLogger)
require.NoError(t, err)
proxyDone := make(chan struct{})
@@ -238,7 +238,7 @@ func TestICMPRouterRejectNotEcho(t *testing.T) {
}
func testICMPRouterRejectNotEcho(t *testing.T, srcDstIP netip.Addr, msgs []icmp.Message) {
router, err := NewICMPRouter(&noopLogger)
router, err := NewICMPRouter(localhostIP, localhostIPv6, "", &noopLogger)
require.NoError(t, err)
responder := echoFlowResponder{