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SSU: Require confirmation for IPv6 firewalled state transitions

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zzz
2021-03-06 08:17:25 -05:00
parent c8341e77ab
commit e4c7ef183f
1 changed files with 11 additions and 2 deletions
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13
router/java/src/net/i2p/router/transport/udp/UDPTransport.java
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@@ -254,6 +254,15 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
Status.IPV4_UNKNOWN_IPV6_FIREWALLED,
Status.IPV4_DISABLED_IPV6_FIREWALLED);
private static final Set<Status> STATUS_FW = EnumSet.of(Status.DIFFERENT,
Status.REJECT_UNSOLICITED,
Status.IPV4_FIREWALLED_IPV6_OK,
Status.IPV4_SNAT_IPV6_OK,
Status.IPV4_FIREWALLED_IPV6_UNKNOWN,
Status.IPV4_OK_IPV6_FIREWALLED,
Status.IPV4_UNKNOWN_IPV6_FIREWALLED,
Status.IPV4_DISABLED_IPV6_FIREWALLED);
private static final Set<Status> STATUS_IPV6_FW_2 = EnumSet.of(Status.IPV4_OK_IPV6_FIREWALLED,
Status.IPV4_UNKNOWN_IPV6_FIREWALLED,
Status.IPV4_DISABLED_IPV6_FIREWALLED,
@@ -3303,8 +3312,8 @@ public class UDPTransport extends TransportImpl implements TimedWeightedPriority
if (status != old) {
// for the following transitions ONLY, require two in a row
// to prevent thrashing
if ((old == Status.OK && STATUS_IPV4_FW.contains(status)) ||
(status == Status.OK && STATUS_IPV4_FW.contains(old))) {
if ((old == Status.OK && STATUS_FW.contains(status)) ||
(status == Status.OK && STATUS_FW.contains(old))) {
if (status != _reachabilityStatusPending) {
if (_log.shouldLog(Log.WARN))
_log.warn("Old status: " + old + " status pending confirmation: " + status +