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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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12
supervisor/supervisor.go
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@@ -16,7 +16,6 @@ import (
"github.com/cloudflare/cloudflared/edgediscovery"
"github.com/cloudflare/cloudflared/edgediscovery/allregions"
"github.com/cloudflare/cloudflared/h2mux"
"github.com/cloudflare/cloudflared/ingress"
"github.com/cloudflare/cloudflared/orchestration"
"github.com/cloudflare/cloudflared/retry"
"github.com/cloudflare/cloudflared/signal"
@@ -117,13 +116,6 @@ func NewSupervisor(config *TunnelConfig, orchestrator *orchestration.Orchestrato
connAwareLogger: log,
}
icmpRouter, err := ingress.NewICMPRouter(config.Log)
if err != nil {
log.Logger().Warn().Err(err).Msg("Failed to create icmp router, ICMP proxy feature is disabled")
} else {
edgeTunnelServer.icmpRouter = icmpRouter
}
useReconnectToken := false
if config.ClassicTunnel != nil {
useReconnectToken = config.ClassicTunnel.UseReconnectToken
@@ -151,9 +143,9 @@ func (s *Supervisor) Run(
ctx context.Context,
connectedSignal *signal.Signal,
) error {
if s.edgeTunnelServer.icmpRouter != nil {
if s.config.PacketConfig != nil {
go func() {
if err := s.edgeTunnelServer.icmpRouter.Serve(ctx); err != nil {
if err := s.config.PacketConfig.ICMPRouter.Serve(ctx); err != nil {
if errors.Is(err, net.ErrClosed) {
s.log.Logger().Info().Err(err).Msg("icmp router terminated")
} else {