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Reverting back to the previous format (including
the "svc:" prefix in the map's keys).
Note that the /services endpoint in localapi, along
with any software that relies on this is unreleased
so this does not break any clients.
Updates tailscale/corp#40052
Signed-off-by: Adriano Sela Aviles <adriano@tailscale.com>
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Updates the format of the service map that is served over
the local api to be keyed without the "svc:" prefix. This
change is backwards incompatible, this is OK because there
is only one tailnet with the services-in-nodecapmap feature
flag enabled, and the client side changes that start showing
services over local api have not been released. (These were
added in 4fcce6000d3d3f79d1ac1fca571a50efb059cbf2).
Updates tailscale/corp#40052
Signed-off-by: Adriano Sela Aviles <adriano@tailscale.com>
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Updates tailscale/corp#40052
Signed-off-by: Adriano Sela Aviles <adriano@tailscale.com>
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Updates tailscale/corp#40052
Signed-off-by: Adriano Sela Aviles <adriano@tailscale.com>
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Updates #40052
Signed-off-by: Adriano Sela Aviles <adriano@tailscale.com>
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Make the DNS handling portions of conn25 work with IPv6 addresses.
Fixes tailscale/corp#37850
Signed-off-by: Fran Bull <fran@tailscale.com>
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Add a new vet analyzer that checks t.Run subtest names don't contain
characters requiring quoting when re-running via "go test -run". This
enforces the style guide rule: don't use spaces or punctuation in
subtest names.
The analyzer flags:
- Direct t.Run calls with string literal names containing spaces,
regex metacharacters, quotes, or other problematic characters
- Table-driven t.Run(tt.name, ...) calls where tt ranges over a
slice/map literal with bad name field values
Also fix all 978 existing violations across 81 test files, replacing
spaces with hyphens and shortening long sentence-like names to concise
hyphenated forms.
Updates #19242
Change-Id: Ib0ad96a111bd8e764582d1d4902fe2599454ab65
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Use bufio.Writer.AvailableBuffer to write the 32-byte public key
directly into bufio's internal buffer as a single append+Write,
avoiding 32 separate WriteByte calls. Fall back to the existing
byte-at-a-time path when the buffer has insufficient space.
```
name old ns/op new ns/op speedup
NodeWriteRawWithoutAllocating-8 121 12.5 ~9.7x
(0 allocs/op in both)
```
Add BenchmarkNodeWriteRawWithoutAllocating and expand
TestNodeWriteRawWithoutAllocating to cover both fast (AvailableBuffer)
and slow (WriteByte fallback) paths with correctness and allocation
checks.
Updates tailscale/corp#38509
Signed-off-by: Mike O'Driscoll <mikeo@tailscale.com>
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Replace byte-at-a-time ReadByte loops with Peek+Discard in the DERP
read path. Peek returns a slice into bufio's internal buffer without
allocating, and Discard advances the read pointer without copying.
Introduce util/bufiox with a BufferedReader interface and ReadFull
helper that uses Peek+copy+Discard as an allocation-free alternative
to io.ReadFull.
- derp.ReadFrameHeader: replace 5× ReadByte with Peek(5)+Discard(5),
reading the frame type and length directly from the peeked slice.
Remove now-unused readUint32 helper.
name old ns/op new ns/op speedup
ReadFrameHeader-8 24.2 12.4 ~2x
(0 allocs/op in both)
- key.NodePublic.ReadRawWithoutAllocating: replace 32× ReadByte with
bufiox.ReadFull. Addresses the "Dear future" comment about switching
away from byte-at-a-time reads once a non-escaping alternative exists.
name old ns/op new ns/op speedup
NodeReadRawWithoutAllocating-8 140 43.6 ~3.2x
(0 allocs/op in both)
- derpserver.handleFramePing: replace io.ReadFull with bufiox.ReadFull.
Updates tailscale/corp#38509
Signed-off-by: Mike O'Driscoll <mikeo@tailscale.com>
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key (#18606)
When a client starts up without being able to connect to control, it
sends its discoKey to other nodes it wants to communicate with over
TSMP. This disco key will be a newer key than the one control knows
about.
If the client that can connect to control gets a full netmap, ensure
that the disco key for the node not connected to control is not
overwritten with the stale key control knows about.
This is implemented through keeping track of mapSession and use that for
the discokey injection if it is available. This ensures that we are not
constantly resetting the wireguard connection when getting the wrong
keys from control.
This is implemented as:
- If the key is received via TSMP:
- Set lastSeen for the peer to now()
- Set online for the peer to false
- When processing new keys, only accept keys where either:
- Peer is online
- lastSeen is newer than existing last seen
If mapSession is not available, as in we are not yet connected to
control, punt down the disco key injection to magicsock.
Ideally, we will want to have mapSession be long lived at some point in
the near future so we only need to inject keys in one location and then
also use that for testing and loading the cache, but that is a yak for
another PR.
Updates #12639
Signed-off-by: Claus Lensbøl <claus@tailscale.com>
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Raw byte accessors for key types, mirroring existing patterns
(NodePublic.Raw32 and DiscoPublicFromRaw32 already exist).
NodePrivate.Raw32 returns the raw 32 bytes of a node private key.
DiscoPrivateFromRaw32 parses a 32-byte raw value as a DiscoPrivate.
Updates tailscale/corp#24454
Change-Id: Ibc08bed14ab359eddefbebd811c375b6365c7919
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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This change reintroduces UserProfile.Groups, a slice that contains
the ACL-defined and synced groups that a user is a member of.
The slice will only be non-nil for clients with the node attribute
see-groups, and will only contain groups that the client is allowed
to see as per the app payload of the see-groups node attribute.
For example:
```
"nodeAttrs": [
{
"target": ["tag:dev"],
"app": {
"tailscale.com/see-groups": [{"groups": ["group:dev"]}]
}
},
[...]
]
```
UserProfile.Groups will also be gated by a feature flag for the time
being.
Updates tailscale/corp#31529
Signed-off-by: Gesa Stupperich <gesa@tailscale.com>
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I omitted a lot of the min/max modernizers because they didn't
result in more clear code.
Some of it's older "for x := range 123".
Also: errors.AsType, any, fmt.Appendf, etc.
Updates #18682
Change-Id: I83a451577f33877f962766a5b65ce86f7696471c
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Updates #18682
Change-Id: I62f6aa0de2a15ef8c1435032c6aa74a181c25f8f
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Fix its/it's, who's/whose, wether/whether, missing apostrophes
in contractions, and other misspellings across the codebase.
Updates #cleanup
Change-Id: I20453b81a7aceaa14ea2a551abba08a2e7f0a1d8
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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(#18777)
Subtle floating point imprecision can propagate and lead to
trigonometric functions receiving inputs outside their
domain, thus returning NaN. Clamp the input to the valid domain
to prevent this.
Also adds a fuzz test for SphericalAngleTo.
Updates tailscale/corp#37518
Signed-off-by: Amal Bansode <amal@tailscale.com>
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The new version of app connector (conn25) needs to read DNS responses
for domains it is interested in and store and swap out IP addresses.
Add a hook to dns manager to enable this.
Give the conn25 updated netmaps so that it knows when to assign
connecting addresses and from what pool.
Assign an address when we see a DNS response for a domain we are
interested in, but don't do anything with the address yet.
Updates tailscale/corp#34252
Signed-off-by: Fran Bull <fran@tailscale.com>
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This commit is based on part of #17925, reworked as a separate package.
Add a package that can store and load netmap.NetworkMap values in persistent
storage, using a basic columnar representation. This commit includes a default
storage interface based on plain files, but the interface can be implemented
with more structured storage if we want to later.
The tests are set up to require that all the fields of the NetworkMap are
handled, except those explicitly designated as not-cached, and check that a
fully-populated value can round-trip correctly through the cache. Adding or
removing fields, either in the NetworkMap or in the cached representation, will
trigger either build failures (e.g., for type mismatch) or test failures (e.g.,
for representation changes or missing fields). This isn't quite as nice as
automatically updating the representation, which I also prototyped, but is much
simpler to maintain and less code.
This commit does not yet hook up the cache to the backend, that will be a
subsequent change.
Updates #12639
Change-Id: Icb48639e1d61f2aec59904ecd172c73e05ba7bf9
Signed-off-by: M. J. Fromberger <fromberger@tailscale.com>
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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
---
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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(#18173)
Updates #18198
Signed-off-by: chaosinthecrd <tom@tmlabs.co.uk>
Co-authored-by: James Tucker <raggi@tailscale.com>
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IsZero is required by the interface, so we should use that before trying
to serialize the key.
Updates #35412
Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
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to a nodeattr
And fix up the TestAutoUpdateDefaults integration tests as they
weren't testing reality: the DefaultAutoUpdate is supposed to only be
relevant on the first MapResponse in the stream, but the tests weren't
testing that. They were instead injecting a 2nd+ MapResponse.
This changes the test control server to add a hook to modify the first
map response, and then makes the test control when the node goes up
and down to make new map responses.
Also, the test now runs on macOS where the auto-update feature being
disabled would've previously t.Skipped the whole test.
Updates #11502
Change-Id: If2319bd1f71e108b57d79fe500b2acedbc76e1a6
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Updates #12639
Change-Id: Ia50b15529bd1c002cdd2c937cdfbe69c06fa2dc8
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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See http://go/no-ell
Signed-off-by: Alex Chan <alexc@tailscale.com>
Updates #cleanup
Change-Id: I8c976b51ce7a60f06315048b1920516129cc1d5d
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For manual (human) testing, this lets the user disable control plane
map polls with "tailscale set --sync=false" (which survives restarts)
and "tailscale set --sync" to restore.
A high severity health warning is shown while this is active.
Updates #12639
Updates #17945
Change-Id: I83668fa5de3b5e5e25444df0815ec2a859153a6d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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It's an unnecessary nuisance having it. We go out of our way to redact
it in so many places when we don't even need it there anyway.
Updates #12639
Change-Id: I5fc72e19e9cf36caeb42cf80ba430873f67167c3
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Include the node's OS with network flow log information.
Refactor the JSON-length computation to be a bit more precise.
Updates tailscale/corp#33352
Fixes tailscale/corp#34030
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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This reverts commit a760cbe33f4bed64b63c6118808d02b2771ff785.
Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
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This rewrites the netlog package to support embedding node information in network flow logs.
Some bit of complexity comes in trying to pre-compute the expected size of the log message
after JSON serialization to ensure that we can respect maximum body limits in log uploading.
We also fix a bug in tstun, where we were recording the IP address after SNAT,
which was resulting in non-sensible connection flows being logged.
Updates tailscale/corp#33352
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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Temporarily back out the TPM-based hw attestation code while we debug
Windows exceptions.
Updates tailscale/corp#31269
Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>
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The connstats package was an unnecessary layer of indirection.
It was seperated out of wgengine/netlog so that net/tstun and
wgengine/magicsock wouldn't need a depenedency on the concrete
implementation of network flow logging.
Instead, we simply register a callback for counting connections.
This PR does the bare minimum work to prepare tstun and magicsock
to only care about that callback.
A future PR will delete connstats and merge it into netlog.
Updates tailscale/corp#33352
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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Remove CBOR representation since it was never used.
We should support CBOR in the future, but for remove it
for now so that it is less work to add more fields.
Also, rely on just omitzero for JSON now that it is supported in Go 1.24.
Updates tailscale/corp#33352
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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Extend Persist with AttestationKey to record a hardware-backed
attestation key for the node's identity.
Add a flag to tailscaled to allow users to control the use of
hardware-backed keys to bind node identity to individual machines.
Updates tailscale/corp#31269
Change-Id: Idcf40d730a448d85f07f1bebf387f086d4c58be3
Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>
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Updates #8419
Updates github.com/golang#62202
Change-Id: I0c082c4258fb7a95a17054f270dc32019bcc7581
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Add and wire up event publishers for these two event types in the AppConnector.
Nothing currently subscribes to them, so this is harmless. Subscribers for
these events will be added in a near-future commit.
As part of this, move the appc.RouteInfo type to the types/appctype package.
It does not contain any package-specific details from appc. Beside it, add
appctype.RouteUpdate to carry route update event state, likewise not specific
to appc. Update all usage of the appc.* types throughout to use appctype.*
instead, and update depaware files to reflect these changes.
Add a Close method to the AppConnector to make sure the client gets cleaned up
when the connector is dropped (we re-create connectors).
Update the unit tests in the appc package to also check the events published
alongside calls to the RouteAdvertiser.
For now the tests still rely on the RouteAdvertiser for correctness; this is OK
for now as the two methods are always performed together. In the near future,
we need to rework the tests so not require that, but that will require building
some more test fixtures that we can handle separately.
Updates #15160
Updates #17192
Change-Id: I184670ba2fb920e0d2cb2be7c6816259bca77afe
Signed-off-by: M. J. Fromberger <fromberger@tailscale.com>
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We will need this for unmarshaling node prefs: use the zero
HardwareAttestationKey implementation when parsing and later check
`IsZero` to see if anything was loaded.
Updates #15830
Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
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The dnstype package is used by tailcfg, which tries to be light and
leafy. But it brings in dnstype. So dnstype shouldn't bring in
x/net/dns/dnsmessage.
Updates #12614
Change-Id: I043637a7ce7fed097e648001f13ca1927a781def
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Updates #cleanup
Change-Id: I15d8d840877d43e2b884d42354b4eb156094df7d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Sidestep cmd/viewer incompatibility hiccups with
HardwareAttestationPublic type due to its *ecdsa.PublicKey inner member
by serializing the key to a byte slice instead.
Updates tailscale/corp#31269
Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>
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Extend the client state management to generate a hardware attestation
key if none exists.
Extend MapRequest with HardwareAttestationKey{,Signature} fields that
optionally contain the public component of the hardware attestation key
and a signature of the node's node key using it. This will be used by
control to associate hardware attesation keys with node identities on a
TOFU basis.
Updates tailscale/corp#31269
Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>
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Updates #17115
Change-Id: I6b083c0db4c4d359e49eb129d626b7f128f0a9d2
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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profile (#17045)
Updates tailscale/corp#30456
Signed-off-by: Nick O'Neill <nick@tailscale.com>
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Extract field comments from AST and include them in generated view
methods. Comments are preserved from the original struct fields to
provide documentation for the view accessors.
Fixes #16958
Signed-off-by: Maisem Ali <3953239+maisem@users.noreply.github.com>
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This has come up in a few situations recently and adding these helpers
is much better than copying the slice (calling AsSlice()) in order to
use slices.Max and friends.
Updates #cleanup
Change-Id: Ib289a07d23c3687220c72c4ce341b9695cd875bf
Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>
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Define the HardwareAttestionKey interface describing a platform-specific
hardware backed node identity attestation key. Clients will register the
key type implementations for their platform.
Updates tailscale/corp#31269
Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>
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dnstype.Resolver adds a boolean UseWithExitNode that controls
whether the resolver should be used in tailscale exit node contexts
(not wireguard exit nodes). If UseWithExitNode resolvers are found,
they are installed as the global resolvers. If no UseWithExitNode resolvers
are found, the exit node resolver continues to be installed as the global
resolver. Split DNS Routes referencing UseWithExitNode resolvers are also
installed.
Updates #8237
Fixes tailscale/corp#30906
Fixes tailscale/corp#30907
Signed-off-by: Michael Ben-Ami <mzb@tailscale.com>
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This adds support for having every viewer type implement
jsonv2.MarshalerTo and jsonv2.UnmarshalerFrom.
This provides a significant boost in performance
as the json package no longer needs to validate
the entirety of the JSON value outputted by MarshalJSON,
nor does it need to identify the boundaries of a JSON value
in order to call UnmarshalJSON.
For deeply nested and recursive MarshalJSON or UnmarshalJSON calls,
this can improve runtime from O(N²) to O(N).
This still references "github.com/go-json-experiment/json"
instead of the experimental "encoding/json/v2" package
now available in Go 1.25 under goexperiment.jsonv2
so that code still builds without the experiment tag.
Of note, the "github.com/go-json-experiment/json" package
aliases the standard library under the right build conditions.
Updates tailscale/corp#791
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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(#16603)
Updates tailscale/corp#30583
Updates tailscale/corp#30534
Updates tailscale/corp#30557
Signed-off-by: Dylan Bargatze <dylan@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Co-authored-by: Dylan Bargatze <dylan@tailscale.com>
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Package geo provides functionality to represent and process
geographical locations on a sphere. The main type, geo.Point,
represents a pair of latitude and longitude coordinates.
Updates tailscale/corp#29968
Signed-off-by: Simon Law <sfllaw@tailscale.com>
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Fixes tailscale/corp#30360
Signed-off-by: Simon Law <sfllaw@tailscale.com>
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