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371 commits

Author SHA1 Message Date
Marten Seemann
9971fedd42
use Transport.VerifySourceAddress to control the Retry Mechanism (#4362) 
* use Transport.VerifySourceAddress to control the Retry Mechanism

This can be used to rate-limit handshakes originating from unverified
source addresses. Rate-limiting for handshakes can be implemented using
the GetConfigForClient callback on the Config.

* pass the remote address to Transport.VerifySourceAddress
 2024-03-14 17:35:52 -07:00
Marten Seemann
ca787d6f00
add an AddrVerified field to the ClientHelloInfo (#4360) 
* add an AddressVerified field to the ClientHelloInfo

* rename ClientHelloInfo.AddressVerififed to ClientHelloInfo.AddrVerififed
 2024-03-11 05:00:25 -07:00
Sukun
d6269b71af
fix deadlock when concurrently closing server and transport (#4332) 
* server: fix deadlock when closing concurrently with transport

* add test for checking no deadlock
 2024-03-03 03:00:28 -08:00
Marten Seemann
7b8ceaa264
remove unused getPerspective function from quicConn interface (#4329) 2024-02-10 19:05:27 -08:00
Marten Seemann
07a17ffffb
remove unused GetVersion function from quicConn interface (#4327) 2024-02-10 18:38:38 -08:00
Marten Seemann
8e93770dd3
avoid lock contention when accepting new connections (#4313) 
* avoid lock contention when accepting new connections

The server used to hold the packet handler map's lock while creating the
connection struct for a newly accepted connection. This was intended to
make sure that no two connections with the same Destination Connection
ID could be created.

This is a corner case: it can only happen if two Initial packets with
the same Destination Connection ID are received at the same time. If
the second one is received after the first one has already been
processed, it would be routed to the first connection. We don't need to
optimized for this corner case. It's ok to create a new connection in
that case, and immediately close it if this collision is detected.

* only pass 0-RTT to the connection if it was actually accepted
 2024-02-08 19:34:42 -08:00
Marten Seemann
fbaa941ea1
protocol: rename VersionNumber to Version (#4295) 2024-01-31 21:57:33 -08:00
Marten Seemann
2a7a11f4c0
remove unneeded nil check for new connections in the server (#4260) 2024-01-23 21:45:03 -08:00
Marten Seemann
a2cf43d75c
remove the RequireAddressValidation callback from the Config (#4253) 2024-01-22 21:24:07 -08:00
Marten Seemann
892851eb8c
add Transport config options to limit the number of handshakes (#4248) 
* add Transport config options to limit the number of handshakes

* fix accounting for failed handshakes

* increase handshake limits, improve documentation
 2024-01-22 21:04:25 -08:00
Marten Seemann
594440b04c
don't remove closed connections from the server's accept queue (#4245) 2024-01-18 22:45:38 -08:00
Marten Seemann
cb1775a08a
send out the CONNECTION_REFUSED error when refusing a connection (#4250) 
So far, we used Connection.destroy, which destroys a connection without
sending out a CONNECTION_CLOSE frame. This is useful (for example) when
receiving a stateless reset, but it's not what we want when the server
refuses an incoming connection. In this case, we want to send out a
packet with a CONNECTION_CLOSE frame to inform the client that the
connection attempt is being rejected.
 2024-01-18 22:29:22 -08:00
Marten Seemann
b3eb375bc1
remove shutdown method on the Connection (#4249) 
There's no need to have a dedicated shutdown method, as the use case
(shutting down an outgoing connection attempt on context cancellation)
can be achieved by using Connection.destroy.
 2024-01-18 22:06:04 -08:00
Marten Seemann
f1b3bdbcb0
fix race condition when dropping Initial packet with short connection ID (#4236) 2024-01-04 18:59:39 -08:00
Marten Seemann
a3603549ee
document what happens to established connections on Listener.Close (#4138) 2023-10-27 23:40:50 -07:00
Marten Seemann
dda63b90eb
don't close established connections on Listener.Close, when using a Transport (#4072) 
* don't close established connections on Listener.Close

* only close once
 2023-10-26 23:10:13 -07:00
Marten Seemann
49e588a6a9
don't spawn a new Go routine to send a Retry packet (#4092) 2023-09-25 04:21:51 -07:00
Marten Seemann
ae2ef95fa3
don't spawn a new Go routine to send a CONNECTION_REFUSED packet (#4091) 2023-09-25 09:31:27 +00:00
Marten Seemann
348042ee4c
simplify sending of INVALID_TOKEN errors (#4090) 2023-09-25 02:14:07 -07:00
Marten Seemann
1affe38703
move MaxTokenAge configuration option to the Transport (#4084) 2023-09-16 05:10:20 -07:00
Marten Seemann
9b82196578
make the logging.Tracer and logging.ConnectionTracer a struct (#4082) 2023-09-16 04:58:51 -07:00
Marten Seemann
862e64c7b9
add a Transport config option for the key used to encrypt tokens (#4066) 
* add a Transport config option for the key used to encrypt tokens

* handshake: remove unused error return values
 2023-09-15 18:33:57 +07:00
Marten Seemann
b73a4de7ea only add an ECN control message if ECN is supported 2023-09-11 20:31:50 +07:00
Marten Seemann
5dd6d91c11 send and track packets with ECN markings 2023-09-11 20:31:50 +07:00
Marten Seemann
abfe1ef548
remove Config.MaxRetryTokenAge, set it to the handshake timeout (#4064) 
There is no good reason to manually set the validity period for Retry
tokens. Retry tokens are only valid on a single connection during the
handshake, so it makes sense to limit their validity to the configured
handshake timeout.
 2023-09-10 13:53:12 +07:00
Marten Seemann
090e505aa9
move GSO control message handling to the oobConn (#4056) 
* move GSO control message handling to the oobConn

* disable OOB test on Windows

* improve GSO tests

* update ooConn.WritePacket comment
 2023-08-31 00:49:27 -07:00
Marten Seemann
d7334c16e7
move the DisableVersionNegotiationPackets flag to the Transport (#4047) 
* move the DisableVersionNegotiationPackets flag to the Transport

* add an integration test for DisableVersionNegotiationPackets
 2023-08-30 23:33:40 -07:00
Marten Seemann
4122eb7a7d disable GSO if sending fails for a particular remote address 2023-08-16 22:09:29 +07:00
Marten Seemann
edaeed0107 embed the packetInfo in the receivedPacket struct 
This avoid allocating the packetInfo struct when receiving a packet.
 2023-06-03 10:44:16 +03:00
Marten Seemann
072a602cc1
pass around receivedPacket as struct instead of as pointer (#3823) 2023-06-03 00:08:58 -07:00
Marten Seemann
5b5ffa942b pack packets into large buffers when GSO is available 2023-06-03 09:21:55 +03:00
Marten Seemann
ad79149738
improve document of the Transport and the dial and listen functions (#3875) 2023-06-02 03:45:40 -07:00
Sukun
1951878816
server: send version negotiation and invalid token packets from a single Go routine (#3854) 
* server: send invalid token and version negotiation packets from one go routine

* remove unneeded comments
 2023-05-28 19:27:32 +03:00
Marten Seemann
07ad2cbee2 remove Tracer from Config, put ConnectionTracer constructor there 2023-05-02 15:56:49 +02:00
Marten Seemann
bc7cb706c5 add a GetConfigForClient callback to the Config 2023-05-02 15:56:49 +02:00
Marten Seemann
ba942715db remove ConnectionIDLength and ConnectionIDGenerator from the Config 2023-05-02 15:56:49 +02:00
Marten Seemann
8189e75be6 implement the Transport 2023-05-02 15:56:48 +02:00
Marten Seemann
ae5a8bd35c move the QUIC version check to the config validation 2023-05-02 09:44:58 +02:00
Marten Seemann
86a1234c87 make EarlyListener a struct, not an interface 2023-05-01 14:41:16 +02:00
Marten Seemann
1b64b13750 make Listener a struct, not an interface 2023-05-01 14:41:16 +02:00
Marten Seemann
6617f3d39a don't use timers to clean up 0-RTT queues 2023-05-01 14:24:28 +02:00
Marten Seemann
58487803d3 move 0-RTT queue handling from the packet handler map to the server 2023-05-01 14:24:28 +02:00
Marten Seemann
23f4565108
qtls: don't set the tls.Config.CipherSuites for cipher suite tests (#3726) 
* qtls: don't set the tls.Config.CipherSuites for cipher suite tests

* use qtls versions that don't allow setting of tls.Config.CipherSuites
 2023-03-26 06:56:41 -07:00
Marten Seemann
a4b0265628
use a chan instead of a context in Connection.HandshakeComplete (#3709) 2023-03-26 06:51:56 -07:00
Marten Seemann
ac36330dc8
fix logging of sent Version Negotiation Packets (#3691) 2023-02-13 02:51:38 -08:00
Marten Seemann
58cedf7a4f
rename module, adjust import paths to quic-go/quic-go (#3680) 2023-01-21 19:53:57 -08:00
Marten Seemann
c24fbb094c
refactor header writing to append to a byte slice (#3646) 
This avoids having to allocate a bytes.Buffer.
 2023-01-17 01:56:06 -08:00
Marten Seemann
86edf7fd4b remove the LongHeader field from the wire.Header 2023-01-17 21:53:39 +13:00
Marten Seemann
b52d34008f
add Allow0RTT opt in the quic.Config to control 0-RTT on the server side (#3635) 2023-01-04 16:18:11 -08:00
Marten Seemann
4f3d3b36ac introduce a separate code path for unpacking short header packets 2022-08-29 15:55:37 +03:00