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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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5
ingress/icmp_darwin.go
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@@ -113,11 +113,12 @@ func (snf echoFunnelID) String() string {
return strconv.FormatUint(uint64(snf), 10)
}
func newICMPProxy(listenIP netip.Addr, logger *zerolog.Logger, idleTimeout time.Duration) (*icmpProxy, error) {
conn, err := newICMPConn(listenIP)
func newICMPProxy(listenIP netip.Addr, zone string, logger *zerolog.Logger, idleTimeout time.Duration) (*icmpProxy, error) {
conn, err := newICMPConn(listenIP, zone)
if err != nil {
return nil, err
}
logger.Info().Msgf("Created ICMP proxy listening on %s", conn.LocalAddr())
return &icmpProxy{
srcFunnelTracker: packet.NewFunnelTracker(),
echoIDTracker: newEchoIDTracker(),