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TUN-8158: Bring back commit e653741885 and fixes infinite loop on linux when the socket is closed

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chungthuang
2024-01-15 16:49:17 +00:00
parent f75503bf3c
commit 9c1f5c33a8
15 changed files with 376 additions and 64 deletions
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18
ingress/icmp_darwin.go
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@@ -131,7 +131,7 @@ func newICMPProxy(listenIP netip.Addr, zone string, logger *zerolog.Logger, idle
}
func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *packetResponder) error {
ctx, span := responder.requestSpan(ctx, pk)
_, span := responder.requestSpan(ctx, pk)
defer responder.exportSpan()
originalEcho, err := getICMPEcho(pk.Message)
@@ -139,10 +139,8 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
tracing.EndWithErrorStatus(span, err)
return err
}
span.SetAttributes(
attribute.Int("originalEchoID", originalEcho.ID),
attribute.Int("seq", originalEcho.Seq),
)
observeICMPRequest(ip.logger, span, pk.Src.String(), pk.Dst.String(), originalEcho.ID, originalEcho.Seq)
echoIDTrackerKey := flow3Tuple{
srcIP: pk.Src,
dstIP: pk.Dst,
@@ -189,6 +187,7 @@ func (ip *icmpProxy) Request(ctx context.Context, pk *packet.ICMP, responder *pa
tracing.EndWithErrorStatus(span, err)
return err
}
err = icmpFlow.sendToDst(pk.Dst, pk.Message)
if err != nil {
tracing.EndWithErrorStatus(span, err)
@@ -269,15 +268,12 @@ func (ip *icmpProxy) sendReply(ctx context.Context, reply *echoReply) error {
_, span := icmpFlow.responder.replySpan(ctx, ip.logger)
defer icmpFlow.responder.exportSpan()
span.SetAttributes(
attribute.String("dst", reply.from.String()),
attribute.Int("echoID", reply.echo.ID),
attribute.Int("seq", reply.echo.Seq),
attribute.Int("originalEchoID", icmpFlow.originalEchoID),
)
if err := icmpFlow.returnToSrc(reply); err != nil {
tracing.EndWithErrorStatus(span, err)
return err
}
observeICMPReply(ip.logger, span, reply.from.String(), reply.echo.ID, reply.echo.Seq)
span.SetAttributes(attribute.Int("originalEchoID", icmpFlow.originalEchoID))
tracing.End(span)
return nil
}