Commit Graph

996 Commits

Author SHA1 Message Date
cthuang d07d24e5a2 TUN-5695: Define RPC method to update configuration 2022-02-03 15:05:46 +00:00
Nuno Diegues 0ab6867ae5 TUN-4947: Use http when talking to Unix sockets origins
Right now the proxying of cloudflared -> unix socket is a bit of
a no man's land, where we do not have the ability to specify the
actual protocol since the user just configures "unix:/path/"

In practice, we proxy using an HTTP client.
But it could be that the origin expects HTTP or HTTPS. However,
we have no way of knowing.

So how are we proxying to it? We are configuring the http.Request
in ways that depend on the transport and edge implementation, and
it so happens that for h2mux and http2 we are using a http.Request
whose Scheme is HTTP, whereas for quic we are generating a http.Request
whose scheme is HTTPS.

Since it does not make sense to have different behaviours depending
on the transport, we are making a (hopefully temporary) change so
that proxied requests to Unix sockets are systematically HTTP.

In practice we should do https://github.com/cloudflare/cloudflared/issues/502
to make this configurable.
2022-02-02 19:33:30 +00:00
Nuno Diegues ed2bac026d TUN-5621: Correctly manage QUIC stream closing
Until this PR, we were naively closing the quic.Stream whenever
the callstack for handling the request (HTTP or TCP) finished.
However, our proxy handler may still be reading or writing from
the quic.Stream at that point, because we return the callstack if
either side finishes, but not necessarily both.

This is a problem for quic-go library because quic.Stream#Close
cannot be called concurrently with quic.Stream#Write

Furthermore, we also noticed that quic.Stream#Close does nothing
to do receiving stream (since, underneath, quic.Stream has 2 streams,
1 for each direction), thus leaking memory, as explained in:
https://github.com/lucas-clemente/quic-go/issues/3322

This PR addresses both problems by wrapping the quic.Stream that
is passed down to the proxying logic and handle all these concerns.
2022-02-01 22:01:57 +00:00
João Oliveirinha e09dcf6d60 Release 2022.1.3 2022-01-28 15:10:37 +00:00
João Oliveirinha 76fb329a65 TUN-5724: Fix SSE streaming by guaranteeing we write everything we read 2022-01-28 14:48:54 +00:00
Nuno Diegues 7bac4b15b0 TUN-5719: Re-attempt connection to edge with QUIC despite network error when there is no fallback
We have made 2 changes in the past that caused an unexpected edge case:
 1. when faced with QUIC "no network activity", give up re-attempts and fall-back
 2. when a protocol is chosen explicitly, rather than using auto (the default), do not fallback

The reasoning for 1. was to fallback quickly in situations where the user may not
have chosen QUIC, and simply got it because we auto-chose it (with the TXT DNS record),
but the users' environment does not allow egress via UDP.

The reasoning for 2. was to avoid falling back if the user explicitly chooses a
protocol. E.g., if the user chooses QUIC, she may want to do UDP proxying, so if
we fallback to HTTP2 protocol that will be unexpected since it does not support
UDP (and same applies for HTTP2 falling back to h2mux and TCP proxying).

This PR fixes the edge case that happens when both those changes 1. and 2. are
put together: when faced with a QUIC "no network activity", we should only try
to fallback if there is a possible fallback. Otherwise, we should exhaust the
retries as normal.
2022-01-27 22:12:25 +00:00
cthuang 8a5343d0a5 TUN-5675: Remove github.com/dgrijalva/jwt-go dependency by upgrading coredns version 2022-01-25 15:24:13 +00:00
Sudarsan Reddy a84cbcde7e TUN-5669: Change network command to vnet 2022-01-24 11:26:16 +00:00
Sudarsan Reddy 1a92f1acfe TUN-5477: Unhide vnet commands 2022-01-21 12:41:58 +00:00
cthuang c196679bc7 TUN-5659: Proxy UDP with zero-byte payload 2022-01-21 09:42:05 +00:00
Silver 10fc450ae5
Merge pull request #492 from ibigbug/support-x-forwarded-host
Add X-Forwarded-Host for http proxy
2022-01-19 16:11:25 -06:00
João Oliveirinha 74556bcd7d TUN-5547: Bump golang x/net package to fix http2 transport bugs 2022-01-17 11:13:25 +00:00
cthuang 97309d81ab Release 2022.1.2 2022-01-13 12:13:08 +00:00
cthuang 0292727a95 TUN-5650: Fix pynacl version to 1.4.0 and pygithub version to 1.55 so release doesn't break unexpectedly 2022-01-13 11:34:13 +00:00
cthuang f33897615d Release 2022.1.1 2022-01-12 21:06:45 +00:00
cthuang 6fa58aadba TUN-5623: Configure quic max datagram frame size to 1350 bytes for none Windows platforms 2022-01-11 14:55:43 +00:00
cthuang ef3152f334 TUN-5631: Build everything with go 1.17.5 2022-01-10 12:34:04 +00:00
Nuno Diegues d6036d96f0 Release 2022.1.0 2022-01-06 11:42:49 +00:00
Nuno Diegues a6faa0c376 TUN-5600: Add coverage to component tests for various transports
This parameterizes relevant component tests by transport protocol
where applicable.
The motivation is to have coverage for (graceful or not) shutdown
that was broken in QUIC. That logic (as well as reconnect) is
different depending on the transport, so we should have it
parameterized. In fact, the test is failing for QUIC (and passing
for others) right now, which is expected until we roll out some
edge fixes for QUIC. So we could have caught this earlier on.
2022-01-06 10:09:17 +00:00
Nuno Diegues 1086d5ede5 TUN-5204: Unregister QUIC transports on disconnect
This adds various bug fixes when investigating why QUIC transports were
not being unregistered when they should (and only when the graceful shutdown
started).

Most of these bug fixes are making the QUIC transport implementation closer
to its HTTP2 counterpart:
 - ServeControlStream is now a blocking function (it's up to the transport to handle that)
 - QUIC transport then handles the control plane as part of its Serve, thus waiting for it on shutdown
 - QUIC transport now returns "non recoverable" for connections with similar semantics to HTTP2 and H2mux
 - QUIC transport no longer has a loop around its Serve logic that retries connections on its own (that logic is upstream)
2022-01-06 10:08:38 +00:00
Nuno Diegues c314d58b69 TUN-5616: Never fallback transport if user chooses it on purpose 2022-01-06 09:20:59 +00:00
Nuno Diegues 628545d229 TUN-5600: Close QUIC transports as soon as possible while respecting graceful shutdown
This does a few fixes to make sure that the QUICConnection returns from
Serve when the context is cancelled.

QUIC transport now behaves like other transports: closes as soon as there
is no traffic, or at most by grace-period. Note that we do not wait for
UDP traffic since that's connectionless by design.
2022-01-06 08:59:53 +00:00
Nuno Diegues ead93e9f26 TUN-5551: Internally published debian artifacts are now named just cloudflared even though they are FIPS compliant
This way we will force the adoption of FIPS compliant cloudflared without having
to handle the transition for systems that already have it installed (since we
were previously using new artifacts with fips suffix)  nor without having to
segregate the resulting binary name (since we were always generating a binary
just called cloudflared from the unpacked debian archive to avoid having to change
any automation that assumes the binary to be called just that).
2022-01-05 08:24:58 +00:00
João Oliveirinha 5f380f3a54 TUN-5612: Make tls min/max version public visible 2022-01-03 18:13:57 +00:00
João Oliveirinha 7814e870a7 TUN-5612: Add support for specifying TLS min/max version 2022-01-03 16:20:20 +00:00
Nuno Diegues 7c7cf688e6 Release 2021.12.4 2021-12-29 12:14:38 +00:00
Nuno Diegues a39d95d5f7 TUN-5551: Show whether the binary was built for FIPS compliance
This is shown in 3 ways:
 - the version output with `cloudflared version` and alike commands
 - the build_info prometheus metric
 - a logging message
2021-12-28 19:03:16 +00:00
Nuno Diegues 01ad2785ee TUN-5551: Change internally published debian package to be FIPS compliant
This changes existing Makefile targets to make it obvious that they are
used to publish debian packages for internal Cloudflare usage. Those are
now FIPS compliant, with no alternative provided. This only affects amd64
builds (and we only publish internally for Linux).

This new Makefile target is used by all internal builds (including nightly
that is used for e2e tests).

Note that this Makefile target renames the artifact to be just `cloudflared`
so that this is used "as is" internally, without expecting people to opt-in
to the new `cloudflared-fips` package (as we are giving them no alternative).
2021-12-28 19:01:03 +00:00
Nuno Diegues 6822e4f8ab TUN-5482: Refactor tunnelstore client related packages for more coherent package 2021-12-28 17:17:49 +00:00
cthuang 834c0eaeed Release 2021.12.3 2021-12-23 15:42:15 +00:00
cthuang 74a3026963 TUN-5597: Log session ID when session is terminated by edge 2021-12-23 11:43:23 +00:00
Igor Postelnik 8445b88d3c TUN-5593: Read full packet from UDP connection, even if it exceeds MTU of the transport. When packet length is greater than the MTU of the transport, we will silently drop packets (for now). 2021-12-22 17:18:22 -06:00
cthuang 7a55208c61 TUN-5590: QUIC datagram max user payload is 1217 bytes 2021-12-22 19:53:58 +00:00
Nuno Diegues 581cfb8480 TUN-5584: Changes for release 2021.12.2 2021-12-22 08:58:11 +00:00
Nuno Diegues 201c462902 Release 2021.12.2 2021-12-22 08:53:38 +00:00
cthuang ebae7a7024 TUN-5494: Send a RPC with terminate reason to edge if the session is closed locally 2021-12-21 09:52:39 +00:00
Nuno Diegues 70e675f42c TUN-5551: Reintroduce FIPS compliance for linux amd64 now as separate binaries
This is a cherry-pick of 157f5d1412
followed by build/CI changes so that amd64/linux FIPS compliance is
provided by new/separate binaries/artifacts/packages.

The reasoning being that FIPS compliance places excessive requirements
in the encryption algorithms used for regular users that do not care
about that. This can cause cloudflared to reject HTTPS origins that
would otherwise be accepted without FIPS checks.

This way, by having separate binaries, existing ones remain as they
were, and only FIPS-needy users will opt-in to the new FIPS binaries.
2021-12-20 21:50:42 +00:00
cthuang 8f46065ab5 TUN-5570: Only log RPC server events at error level to reduce noise 2021-12-20 16:50:24 +00:00
cthuang 41b9c22216 TUN-5571: Remove redundant session manager log, it's already logged in origin/tunnel.ServeQUIC 2021-12-20 12:00:55 +00:00
Nuno Diegues 88ce63e785 Release 2021.12.1 2021-12-16 00:50:28 +00:00
Nuno Diegues 2dc5f6ec8c TUN-5549: Revert "TUN-5277: Ensure cloudflared binary is FIPS compliant on linux amd64"
This reverts commit 157f5d1412.

FIPS compliant binaries (for linux/amd64) are causing HTTPS origins to not
be reachable by cloudflared in certain cases (e.g. with Let's Encrypt certificates).

Origins that are not HTTPS for cloudflared are not affected.
2021-12-16 00:29:01 +00:00
Nuno Diegues 8d41f99f2f Release 2021.12.0 2021-12-15 10:01:29 +00:00
Nuno Diegues 173190aa79 TUN-5544: Update CHANGES.md for next release 2021-12-15 09:15:53 +00:00
cthuang 9251b3aa1f TUN-5530: Get current time from ticker 2021-12-13 13:35:40 +00:00
Nuno Diegues b0e27d1eac TUN-5504: Fix upload of packages to public repo 2021-12-09 13:06:24 +00:00
cthuang 73a265f2fc TUN-5488: Close session after it's idle for a period defined by registerUdpSession RPC 2021-12-09 11:55:34 +00:00
Nuno Diegues 9bc59bc78c TUN-5519: Adjust URL for virtual_networks endpoint to match what we will publish 2021-12-07 13:06:46 +00:00
cthuang b73c588254 TUN-5422: Define RPC to unregister session 2021-12-06 16:37:09 +00:00
João Oliveirinha 7e47667b08 TUN-5481: Create abstraction for Origin UDP Connection
Creates an abstraction over UDP Conn for origin "connection" which can
be useful for future support of complex protocols that may require
changing ports during protocol negotiation (eg. SIP, TFTP)
In addition, it removes a dependency from ingress on connection package.
2021-12-06 16:37:09 +00:00
cthuang eea3d11e40 TUN-5301: Separate datagram multiplex and session management logic from quic connection logic 2021-12-06 16:37:09 +00:00