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This file was never truly necessary and has never actually been used in
the history of Tailscale's open source releases.
A Brief History of AUTHORS files
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The AUTHORS file was a pattern developed at Google, originally for
Chromium, then adopted by Go and a bunch of other projects. The problem
was that Chromium originally had a copyright line only recognizing
Google as the copyright holder. Because Google (and most open source
projects) do not require copyright assignemnt for contributions, each
contributor maintains their copyright. Some large corporate contributors
then tried to add their own name to the copyright line in the LICENSE
file or in file headers. This quickly becomes unwieldy, and puts a
tremendous burden on anyone building on top of Chromium, since the
license requires that they keep all copyright lines intact.
The compromise was to create an AUTHORS file that would list all of the
copyright holders. The LICENSE file and source file headers would then
include that list by reference, listing the copyright holder as "The
Chromium Authors".
This also become cumbersome to simply keep the file up to date with a
high rate of new contributors. Plus it's not always obvious who the
copyright holder is. Sometimes it is the individual making the
contribution, but many times it may be their employer. There is no way
for the proejct maintainer to know.
Eventually, Google changed their policy to no longer recommend trying to
keep the AUTHORS file up to date proactively, and instead to only add to
it when requested: https://opensource.google/docs/releasing/authors.
They are also clear that:
> Adding contributors to the AUTHORS file is entirely within the
> project's discretion and has no implications for copyright ownership.
It was primarily added to appease a small number of large contributors
that insisted that they be recognized as copyright holders (which was
entirely their right to do). But it's not truly necessary, and not even
the most accurate way of identifying contributors and/or copyright
holders.
In practice, we've never added anyone to our AUTHORS file. It only lists
Tailscale, so it's not really serving any purpose. It also causes
confusion because Tailscalars put the "Tailscale Inc & AUTHORS" header
in other open source repos which don't actually have an AUTHORS file, so
it's ambiguous what that means.
Instead, we just acknowledge that the contributors to Tailscale (whoever
they are) are copyright holders for their individual contributions. We
also have the benefit of using the DCO (developercertificate.org) which
provides some additional certification of their right to make the
contribution.
The source file changes were purely mechanical with:
git ls-files | xargs sed -i -e 's/\(Tailscale Inc &\) AUTHORS/\1 contributors/g'
Updates #cleanup
Change-Id: Ia101a4a3005adb9118051b3416f5a64a4a45987d
Signed-off-by: Will Norris <will@tailscale.com>
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Updates tailscale/corp#30903
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Updates tailscale/corp#27502
Updates tailscale/corp#30051
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Updates tailscale/corp#27502
Signed-off-by: Jordan Whited <jordan@tailscale.com>
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Load Balancers often have more than one ingress IP, so allowing us to
add multiple means we can offer multiple options.
Updates #12578
Change-Id: I4aa49a698d457627d2f7011796d665c67d4c7952
Signed-off-by: Lee Briggs <lee@leebriggs.co.uk>
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For testing. Lee wants to play with 'AWS Global Accelerator Custom
Routing with Amazon Elastic Kubernetes Service'. If this works well
enough, we can promote it.
Updates #12578
Change-Id: I5018347ed46c15c9709910717d27305d0aedf8f4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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The DERP Return Path Optimization (DRPO) is over four years old (and
on by default for over two) and we haven't had problems, so time to
remove the emergency shutoff code (controlknob) which we've never
used. The controlknobs are only meant for new features, to mitigate
risk. But we don't want to keep them forever, as they kinda pollute
the code.
Updates #150
Change-Id: If021bc8fd1b51006d8bddd1ffab639bb1abb0ad1
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Replace CanPMTUD() with ShouldPMTUD() to check if peer path MTU discovery should
be enabled, in preparation for adding support for enabling/disabling peer MTU
dynamically.
Updated #311
Signed-off-by: Val <valerie@tailscale.com>
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Make the debugknob variable name for enabling peer path MTU discovery match the
env variable name.
Updates #311
Signed-off-by: Val <valerie@tailscale.com>
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In prep for incremental netmap update plumbing (#1909), make peerMap
also keyed by NodeID, as all the netmap node mutations passed around
later will be keyed by NodeID.
In the process, also:
* add envknob.InDevMode, as a signal that we can panic more aggressively
in unexpected cases.
* pull two moderately large blocks of code in Conn.SetNetworkMap out
into their own methods
* convert a few more sets from maps to set.Set
Updates #1909
Change-Id: I7acdd64452ba58e9d554140ee7a8760f9043f961
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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This sets the Don't Fragment flag, for now behind the
TS_DEBUG_ENABLE_PMTUD envknob.
Updates #311.
Signed-off-by: Val <valerie@tailscale.com>
Signed-off-by: salman <salman@tailscale.com>
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Updates #8720
Signed-off-by: David Anderson <danderson@tailscale.com>
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Make developing derp easier by:
1. Creating an envknob telling clients to use HTTP to connect to derp
servers, so devs don't have to acquire a valid TLS cert.
2. Creating an envknob telling clients which derp server to connect
to, so devs don't have to edit the ACLs in the admin console to add a
custom DERP map.
3. Explaining how the -dev and -a command lines args to derper
interact.
To use this:
1. Run derper with -dev.
2. Run tailscaled with TS_DEBUG_USE_DERP_HTTP=1 and
TS_DEBUG_USE_DERP_ADDR=localhost
This will result in the client connecting to derp via HTTP on port
3340.
Fixes #7700
Signed-off-by: Val <valerie@tailscale.com>
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unknown (#7552)
* wgengine/magicsock: add envknob to send CallMeMaybe to non-existent peer
For testing older client version responses to the PeerGone packet format change.
Updates #4326
Signed-off-by: Val <valerie@tailscale.com>
* derp: remove dead sclient struct member replaceLimiter
Leftover from an previous solution to the duplicate client problem.
Updates #2751
Signed-off-by: Val <valerie@tailscale.com>
* derp, derp/derphttp, wgengine/magicsock: add new PeerGone message type Not Here
Extend the PeerGone message type by adding a reason byte. Send a
PeerGone "Not Here" message when an endpoint sends a disco message to
a peer that this server has no record of.
Fixes #4326
Signed-off-by: Val <valerie@tailscale.com>
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Signed-off-by: Val <valerie@tailscale.com>
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This updates all source files to use a new standard header for copyright
and license declaration. Notably, copyright no longer includes a date,
and we now use the standard SPDX-License-Identifier header.
This commit was done almost entirely mechanically with perl, and then
some minimal manual fixes.
Updates #6865
Signed-off-by: Will Norris <will@tailscale.com>
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The //go:build syntax was introduced in Go 1.17:
https://go.dev/doc/go1.17#build-lines
gofmt has kept the +build and go:build lines in sync since
then, but enough time has passed. Time to remove them.
Done with:
perl -i -npe 's,^// \+build.*\n,,' $(git grep -l -F '+build')
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Baby steps towards turning off heartbeat pings entirely as per #540.
This doesn't change any current magicsock functionality and requires additional
changes to send/disco paths before the flag can be turned on.
Updates #540
Change-Id: Idc9a72748e74145b068d67e6dd4a4ffe3932efd0
Signed-off-by: Jenny Zhang <jz@tailscale.com>
Signed-off-by: Jenny Zhang <jz@tailscale.com>
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Updates #5114
Change-Id: Ia423fc7486e1b3f3180a26308278be0086fae49b
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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It has similar size constraints. Saves ~1.9MB from the Wasm build.
Updates #3157
Signed-off-by: Mihai Parparita <mihai@tailscale.com>
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