jjkiers/layer4-proxy
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74 Commits 3 Branches 12 Tags
2c07bf42853cd9cabb758a810740bed057011e5f
Commit Graph

45 Commits

Author SHA1 Message Date
Jacob Kiers
aecffa0d14 Wait for the entire TLS header to become available, even if it takes 
multiple packets.

Closes: #10
 2025-05-01 22:01:54 +02:00
Jacob Kiers
1a9ca771ac Update based on lints
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Signed-off-by: Jacob Kiers <code@kiers.eu>
 2025-01-09 20:56:51 +01:00
Jacob Kiers
b7ec67ed07 Fix SNI header parsing 
When a listener is configured to deal with TLS upstreams, we use the SNI
field of the TLS ClientHello message to decide where to send the traffic.

Therefore, a buffer of 1024 bytes was used to temporarily store this
message. However, a TLS ClientHello message can be larger than that, up
to 16K bytes.

So now the first few bytes are read and manually parsed to find out how
long the message is. And then the entire ClientHello message is
retrieved.

So hopefully that will fix the issue causing the ClientHello
determination to fail.

Closes #10

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2025-01-09 20:56:51 +01:00
Jacob Kiers
922ea1f030 Add help to main command 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-12-24 17:22:58 +01:00
Jacob Kiers
8d6387773a Add self update functionality 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-06-22 15:43:58 +02:00
Jacob Kiers
4592c94586 Reintroduce L4P_CONFIG environment variable
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This points to a user-configured configuration file.

Closes #5.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-02-23 23:53:47 +01:00
Jacob Kiers
6284870059 Rename config::config to config::config_v1 
To prevent module inception, which was a clippy warning.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-02-23 23:34:19 +01:00
Jacob Kiers
97b4bf6bbe Solve synchronization issue 
The async mutex in the previous variant would fail when used in a single
threaded mode, because block_in_place() cannot be used there.

Instead, replace the code with a Arc<RwLock> inside of the
UpstreamAddress to let that class take care of its own mutability.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-02-23 23:31:23 +01:00
Jacob Kiers
59c7128f93 Remove kcp support 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-02-23 22:49:43 +01:00
Jacob Kiers
9d9f89881d Improve config file handling
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Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-02-23 22:03:25 +01:00
Jacob Kiers
ee67f7883e Rename to l4p, update references and README.md 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2024-02-23 22:03:25 +01:00
Jacob Kiers
bb81a32349 Deduplicate some code 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-05 13:34:40 +02:00
Jacob Kiers
17b39dc6bc Prepare for new config version 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-05 13:34:40 +02:00
Jacob Kiers
07fccb6b2a Clippy 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-05 00:26:19 +02:00
Jacob Kiers
3a2367ef28 Moved upstreams to their own dedicated namespace 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-05 00:26:06 +02:00
Jacob Kiers
8404f38182 Move ProxyToUpstream parsing to TryFrom trait 
This seems cleaner to me than parsing it externally.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 23:27:42 +02:00
Jacob Kiers
23296c6436 Improve code style 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 23:27:42 +02:00
Jacob Kiers
84f0499ec8 Remove unnecessary manual Default implementations 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 22:32:36 +02:00
Jacob Kiers
9564fbed6e Fix clippy warnings 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 22:14:51 +02:00
Jacob Kiers
a574163aef Rename Upstream::Custom to Upstream::Proxy 
And CustomUpstream to ProxyToUpstream.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 22:14:51 +02:00
Jacob Kiers
2651ec1f4a Fix kcp module 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 22:14:51 +02:00
Jacob Kiers
8dae1126d5 Deduplicate copy method 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 22:14:50 +02:00
Jacob Kiers
da46c5873f Fix typo 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-10-04 20:48:01 +02:00
Jacob Kiers
5f0de72b88 Remove unused variable
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Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-25 22:56:46 +02:00
Jacob Kiers
40b890bc13 Add much better debug logging of address resolution 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-25 22:54:41 +02:00
Jacob Kiers
483c058105 Slightly better way of finding the config file 
It now also looks in the current working directory.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-25 22:53:46 +02:00
Jacob Kiers
6349fc6502 Prevent unnecessary clone 
This also ensures that the address resolver actually keeps state.
Otherwise it was cloned before each resolution, resulting in it never
keeping the resolved addresses.

Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-25 22:52:46 +02:00
Jacob Kiers
cd35859c9b Initialize UpstreamAddress with actual address 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-25 22:51:25 +02:00
Jacob Kiers
915e39b684 Extract DNS address resolution 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-16 09:32:05 +02:00
Jacob Kiers
0c5153bbd6 Rename Proxy::default to ::default_action 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-08-16 09:31:20 +02:00
Jacob Kiers
f4bc441ca8 Enable explicit ipv4 / ipv6 proxying 
Signed-off-by: Jacob Kiers <code@kiers.eu>
 2023-06-02 17:35:29 +02:00
KernelErr
8fbc0c370a Add error messages when failed to start server 2021-12-30 22:05:25 +08:00
KernelErr
bff92738d5 Allow config path from FOURTH_CONFIG 2021-11-01 16:06:47 +08:00
KernelErr
754a5af794 Add publish CI and run fmt 2021-11-01 15:56:57 +08:00
KernelErr
fc7a3038bd Add unknown protocol error 2021-11-01 15:32:08 +08:00
KernelErr
8a96de9666 Update README and minor refactor 2021-11-01 15:25:12 +08:00
KernelErr
0407f4b40c Add config validation 2021-11-01 13:45:47 +08:00
KernelErr
47be2568ba Add upstream scheme support 
Need to implement TCP and UDP upstream support.
 2021-10-31 19:21:32 +08:00
KernelErr
5944beb6a2 Combine TCP and KCP tests 2021-10-27 08:36:24 +08:00
KernelErr
ee9d0685b3 Refactor TCP and KCP test 2021-10-26 23:52:07 +08:00
KernelErr
a88a263d20 Move tokio_kcp to local files 2021-10-26 23:02:05 +08:00
KernelErr
55eef8581c Add KCP support 2021-10-26 21:36:12 +08:00
KernelErr
7a5ce8e1b6 Add unit tests and use Rust 2021 2021-10-25 22:12:44 +08:00
KernelErr
4352050b04 Pass Clippy and ignore shutdown error 
The client might close the connection before the server noticed. So we simply ignore the error thrown by the shutdown operation.
 2021-10-21 17:01:52 +08:00
KernelErr
2c2509a178 First commit 2021-10-21 16:43:59 +08:00