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16,580 Commits 1 Branch 306 Tags
cdc61ee6eabb41dfea20b0ec4e7f779a7cd02e37
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5977 Commits

Author SHA1 Message Date
zzz cdc61ee6ea Add change required for previous commit 2022-12-17 09:36:32 -05:00
zzz 2d2c8fdc96 SSU: Don't call rebuildIfNecessary() from dropPeer() and addPeer() every time 
to prevent thrashing.
Only rebuild in dropPeer() if the peer was a published introducer.
Only rebuild in addPeer() if the peer offered to relay and we need introducers.
 2022-12-17 09:33:47 -05:00
zzz d9bb3d0b96 SSU2: log tweaks 2022-12-17 09:29:09 -05:00
zzz 05d60d70e2 SSU2: Immediately remove establish state from EstablishmentManager on fatal error 
to free up space and prevent problems handling additional packets
 2022-12-17 09:17:55 -05:00
zzz 67d20d4af5 Transport: Change _currentAddresses from COWAL to standard ArrayList and lock 
COWAL caused problems because replaceAddress() was removing the wrong address,
since RouterAddress.equals() does not compare caps, so empty '4' and '6' addresses would be equal.
So we could temporarily end up with multiple v4/v6 addresses.
COWAL wasn't really buying us anything anyway.

Fix removeAddress() that called the listener even if no change.
 2022-12-17 08:43:25 -05:00
zzz 95bf6be670 SSU2: PacketHandler log tweaks 2022-12-16 08:40:36 -05:00
zzz bbbc127193 bump -8 2022-12-15 15:08:58 -05:00
zzz 21c7ad4a89 SSU2: Enhance PeerTestState logging 
avoid dup previous charlies on list
 2022-12-15 15:05:10 -05:00
zzz af5456b846 add javadocs for banlist return values 2022-12-15 15:03:06 -05:00
zzz 2c955e300f SSU: Check banlist after session confirmed 
blocklist IP if banned
 2022-12-15 15:01:52 -05:00
zzz 138d674662 SSU2: Reduce log level of 'new ack not found' 2022-12-15 14:59:46 -05:00
zzz 9b0ace19c1 Router: Change transient IPv4 blocklist to LHMCache 
Reduce transient blocklist sizes if slow
Improve logging of block source
 2022-12-15 14:57:20 -05:00
zzz 3eb4083cb3 SSU2: Fix retransmission of session confirmed 
Was setting packet length to number of packets.
Add check and log in UDPSender
Add notes where length is checked
 2022-12-15 14:50:38 -05:00
zzz 799944b23b SSU2: Don't attempt to connect to ourselves as an introducer 
reported by drzed
 2022-12-15 14:17:24 -05:00
zzz 8bda9bf804 SSU2: Update activity on path challenge/response 2022-12-14 17:23:31 -05:00
zzz 232586c709 bump -7 2022-12-14 16:11:16 -05:00
zzz 32a9f47375 Tunnels: Reduce log level of can't-decrypt build messages 2022-12-14 16:09:30 -05:00
zzz 9d50e4d5ed NTCP: Log source of clock adjustment at startup 2022-12-14 14:58:44 -05:00
zzz e71ba76d98 SSU2: Catch "shift too big" IAE from acked bitfield while sending termination 
Add preliminary code to terminate session before
there are too many unacked messages to cause the IAE
(untested)
log tweaks

reported by drzed
 2022-12-14 14:42:12 -05:00
zzz 4aa6d15933 SSU2: Another consolidation of keys for building retry 2022-12-14 14:35:12 -05:00
zzz 980276b966 SSU2: Preliminary fixes for handling retransmitted retries 
and storing session request packet for retransmission
Previously, we would regenerate handshake state on every retry,
and we would not re-save the new session request packet after a retry.
Check for wrong token received in additional retries.
 2022-12-14 14:32:08 -05:00
zzz cf32b7844b SSU2: Reject peer test or relay as Charlie if snatted 
remove dup peer test 6 logging
 2022-12-14 14:23:22 -05:00
zzz a112c3a1ed SSU2: Consolidate dup encrypt header keys in IES2/OES2 2022-12-14 14:15:56 -05:00
zzz 9f9a88cf32 SSU2: Drop short session request messages in packet handler 
both before and after retry, before passing to IES2
log tweaks
 2022-12-14 14:06:18 -05:00
zzz 28a79def5a NTCP: Fix rare NPE sending termination 
reported by drzed
 2022-12-14 10:51:34 -05:00
zzz 4443fb464a Router: Add stack trace to log error 
to catch the message-to-ourselves culprit
 2022-12-13 16:27:48 -05:00
zzz 08c31aa6f6 Tunnels: Tighten the hop throttle more 
after further testing, thx obscuratus + drzed
 2022-12-13 12:39:02 -05:00
zzz 20f414c7fa SSU: Don't publish B cap when snatted 
as suggested by orignal
 2022-12-13 06:27:41 -05:00
zzz 580f954254 SSU2 Peer Test: Bob asks another Charlie on rejection 2022-12-12 12:22:22 -05:00
zzz 3472871e35 SSU: now() call reduction 2022-12-12 05:53:40 -05:00
zzz 803265660e SSU2: Destroy PS2 cipher states when done 2022-12-11 15:12:15 -05:00
zzz 4a4ca0cdf0 SSU2: Handle retransmitted token request 
and resend retry.
Previously failed to decrypt it.
 2022-12-11 15:11:12 -05:00
zzz 415e31e560 SSU2: Allow termination in retry 
Handle skew reason in termination, possibly ban peer
Adjust clock at startup when terminated with skew reason
Don't send immediate termination to a too-close address
Javadoc fixes
Log tweaks
 2022-12-11 11:35:31 -05:00
zzz dc400c652a SSU2: Send termination on inbound session/token request 
(rate limited) at conn limits or when alice is banned.
Process retry payload even if token is 0, to get termination reason
Wait longer for session request after retry, allowing for at least 2 retransmissions, to reduce IES2 failures
Ban peer if he bans us in retry
Remove unused writePayload()
Javadoc fixes
Log tweaks
 2022-12-11 09:18:51 -05:00
zzz 01618c6202 SSU: Update activity timestamps for relay and peer test messages 
Javadoc fixes
Log tweaks
 2022-12-10 13:00:33 -05:00
zzz 337fd36633 SSU2: Peer Test fixes 
Don't set AlicePortFromCharlie in msg 5, should be msg 7 only
Assume success if no address block in msg 7 (i2pd)
Require introducers for SNAT states
Don't log no charlie port if no IP
Add some TODO notes
Log tweaks
 2022-12-10 12:11:59 -05:00
zzz 75e23fd1e3 Tunnels: Tighten the hop throttle 
drop sooner when over limit to better protect the network
penalize throttled peers in profile to discourage use in our tunnels
 2022-12-09 09:23:45 -05:00
zzz 7425484b55 SSU: Disable SSU1 option, part 6 - don't bid on SSU1 addresses 2022-12-09 06:37:19 -05:00
zzz 19269dbaf3 SSU2: Fix IAE creating ACK block 
by removing unneeded 255 max ranges check in constructor.
Higher limit of 512 is enforced in PacketBuilder2.
Reported by drzed
 2022-12-08 08:01:08 -05:00
zzz 855bb2af33 SSU2: Post-termination handler part 9 
Cancel timers on eviction from cache
 2022-12-07 15:55:21 -05:00
zzz 55e2fae135 SSU2: Post-termination handler part 8 
Implement termination retransmission
Scale size of handler cache based on max conns
Kill handler sooner once we get an ack
Javadoc fixes
 2022-12-07 10:19:18 -05:00
zzz 55f2d782ce SSU2: Post-termination handler part 7 
Kill handlers at shutdown
 2022-12-06 13:06:37 -05:00
zzz 41e05c8135 SSU2: Token improvements part 2 
Don't send tokens in the handshake, now that we have a handler
to process tokens received in the termination ack
 2022-12-06 12:52:43 -05:00
zzz 7fdd3d1711 SSU2: Post-termination handler part 6 WIP 
Add the handler
 2022-12-06 12:45:09 -05:00
zzz 809f927219 SSU2: Post-termination handler part 5 WIP 
Don't create a new inbound token if we have one that's still good,
for when the handler retransmits terminations
 2022-12-06 12:30:46 -05:00
zzz ad18c98330 SSU2: Post-termination handler part 4 WIP 
Save destroy reason in PeerState2
Add PeerState2 methods to get data for new handler
Log when token received
 2022-12-06 12:18:56 -05:00
zzz 2451ea31bb SSU2: Post-termination handler part 3 WIP 
PacketBuilder2 takes SSU2Sender
Don't check session lifetime or router shutdown to send token with termination
 2022-12-06 12:14:16 -05:00
zzz 2e817416d5 SSU2: Post-termination handler part 2 WIP 
PeerState2 implements SSU2Sender
 2022-12-06 12:09:00 -05:00
zzz 0fd6c672d3 SSU2: Post-termination handler part 1 WIP 
Add interface to go over PeerState2 and the new handler
 2022-12-06 11:45:33 -05:00
zzz 706cd5a129 SSU2: Token improvements and fixes part 1 
- Set cache size based on connection limit
- Track average inbound cache eviction time
- Set inbound expiration based on cache time
- Reduce max inbound expiration
- Fix saving inbound token sent after relay response or hole punch
- Dont send or save tokens if we are symmetric natted
- Sort persisted tokens by expiration so they are expired in correct order on reload
- Periodically expire tokens from cache
- Add getters to Token class
- Add missing case IPV4_SNAT_IPV6_UNKNOWN to EnumSets
 2022-12-04 10:04:18 -05:00