Commit Graph

2889 Commits (780e65a613a4896533ec1debf82ec8d73109804a)
 

Author SHA1 Message Date
Denton Gentry 780e65a613 VERSION.txt: new unstable v1.15.0
Signed-off-by: Denton Gentry <dgentry@tailscale.com>
3 years ago
Brad Fitzpatrick 37053801bb wgengine/magicsock: restore a bit of logging on node becoming active
Fixes #2695

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 51976ab3a2 tsweb: add vars for unix process start time and version
To be scraped in the Go expvar JSON format, as a string is involved.

For a future tool to record when processes restarted exactly, and at
what version.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 246fa67e56 version: bump date
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 6990a314f5 hostinfo: set DeviceModel from Linux devicetree model
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 3ac731dda1 hostinfo: fix earlier git fail, add files lost in move
This was meant to be part of 47045265b9
which instead deleted them :(

Updates tailscale/corp#1959
3 years ago
Aaditya Chaudhary 71b375c502
api.md: add acl validation docs
Signed-off-by: Aaditya Chaudhary <32117362+AadityaChaudhary@users.noreply.github.com>
3 years ago
David Crawshaw 0ac2130590 net/dns: resolveConfExists reading the wrong error
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
3 years ago
Matt Drollette c1aa5a2e33 ipn/ipnlocal: update requested tags in host info
Fixes #2641

Signed-off-by: Matt Drollette <matt@drollette.com>
3 years ago
Brad Fitzpatrick f35b8c3ead derp: fix meshing accounting edge case bug
If a peer is connected to multiple nodes in a region (so
multiForwarder is in use) and then a node restarts and re-sends all
its additions, this bug about whether an element is in the
multiForwarder could cause a one-time flip in the which peer node we
forward to.  Note a huge deal, but not written as intended.

Thanks to @lewgun for the bug report in #2141.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Alessandro Mingione fab296536c words: add more tails and scales
Signed-off-by: Alessandro Mingione <alessandro@tailscale.com>
3 years ago
Denton Gentry 6731f934a6 Revert "wgengine: actively log FlushDNS."
This log is quite verbose, it was only to be left in for one
unstable build to help debug a user issue.

This reverts commit 1dd2552032.

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
3 years ago
Brad Fitzpatrick 47045265b9 hostinfo: add SetDeviceModel setter, move remaining code from controlclient
Updates tailscale/corp#1959

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Josh Bleecher Snyder 4ff0757d44 cmd/testcontrol: add test control server
This is useful for manual performance testing
of networks with many nodes.
I imagine it'll grow more knobs over time.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Denton Gentry 1dd2552032 wgengine: actively log FlushDNS.
Intended to help in resolving customer issue with
DNS caching.

We currently exec `ipconfig /flushdns` from two
places:
- SetDNS(), which logs before invoking
- here in router_windows, which doesn't

We'd like to see a positive indication in logs that flushdns
is being run.

As this log is expected to be spammy, it is proposed to
leave this in just long enough to do an unstable 1.13.x build
and then revert it. They won't run an unsigned image that
I build.

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
3 years ago
Brad Fitzpatrick 36ffd509de net/dns: avoid Linux PolicyKit GUI dialog during tests
Fixes #2672

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick edb338f542 cmd/tailscale: fix sporadic 'context canceled' error on 'up'
Fixes #2333

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick faa891c1f2 client/tailscale,ipn/localapi: warn on tailscale/tailscaled version skew
Fixes #1905

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 8269a23758 version: bump date
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
David Anderson bf8556ab86 portlist: fix build tag to build only on macOS, not macOS+iOS. 3 years ago
Josh Bleecher Snyder 6ef734e493 wgengine: predict min.Peers length across calls
The number of peers we have will be pretty stable across time.
Allocate roughly the right slice size.
This reduces memory usage when there are many peers.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder adf696172d wgengine/userspace: reduce allocations in getStatus
Two optimizations.

Use values instead of pointers.
We were using pointers to make track the "peer in progress" easier.
It's not too hard to do it manually, though.

Make two passes through the data, so that we can size our
return value accurately from the beginning.
This is cheap enough compared to the allocation,
which grows linearly in the number of peers,
that it is worth doing.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Brad Fitzpatrick af30897f0d Makefile: add a linux/arm check
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Maisem Ali 1f006025c2 net/tstun: fix build on arm
Signed-off-by: Maisem Ali <maisem@tailscale.com>
3 years ago
Josh Bleecher Snyder fcca374fa7 tstest/integration/testcontrol: sort peers in map response
This is part of the control protocol.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Brad Fitzpatrick cd426eaf4c net/portmapper: fix t.Log-after-test-done race in tests
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Maisem Ali 9f62cc665e tailscaled: try migrating old state on synology devices
Signed-off-by: Maisem Ali <maisem@tailscale.com>
3 years ago
Maisem Ali 5c383bdf5d wgengine/router: pass in AmbientCaps when calling `ip rule`
Signed-off-by: Maisem Ali <maisem@tailscale.com>
3 years ago
Brad Fitzpatrick 56db3e2548 ipn/localapi: refresh ACME certs in background two weeks in advance
Updates #1235

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 6f8c8c771b control/controlclient: tweak a couple error messages
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick b7ae529ecc client/tailscale: make GetCertificate guess cert if SNI lacks dots
Updates #1235

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Simeng He e199e407d2 tailcfg: add IP and Types field to PingRequest
Signed-off-by: Simeng He <simeng@tailscale.com>
3 years ago
Brad Fitzpatrick d5e1abd0c4 cmd/tailscale/cli: only write cert file if it changed
Updates #1235

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 57b794c338 ipn/localapi: move cert fetching code to localapi, cache, add cert subcommand
Updates #1235

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Josh Bleecher Snyder 4c8b5fdec4 control/controlclient: do not periodically print full netmap
The netmaps can get really large.
Printing, processing, and uploading them is expensive.
Only print the header on an ongoing basis.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder a666b546fb ipn/ipnlocal: log number of packet filters rather than entire filter
The number of packet filters can grow very large,
so this log entry can be very large.
We can get the packet filter server-side,
so reduce verbosity here to just the number of filters present.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder 0c038b477f logtail: add a re-usable buffer for uploads
This avoids a per-upload alloc (which in practice
often means per-log-line), up to 4k.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder 278e7de9c9 logtail: always send a json array
The code goes to some effort to send a single JSON object
when there's only a single line and a JSON array when there
are multiple lines.

It makes the code more complex and more expensive;
when we add a second line, we have to use a second buffer
to duplicate the first one after adding a leading square brackets.

The savings come to two bytes. Instead, always send an array.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder 93284209bc logtail/filch: preallocate a scanner buffer
Scanning log lines is a frequent source of allocations.
Pre-allocate a re-usable buffer.

This still doesn't help when there are giant log lines.
Those will still be problematic from an iOS memory perspective.
For more on that, see https://github.com/tailscale/corp/issues/2423.

(For those who cannot follow that link, it is a discussion
of particular problematic types of log lines for
particular categories of customers. The "categories of customers"
part is the reason that it is a private issue.)

There is also a latent bug here. If we ever encounter
a log line longer than bufio.MaxScanTokenSize,
then bufio.Scan will return an error,
and we'll truncate the file and discard the rest of the log.
That's not good, but bufio.MaxScanTokenSize is really big,
so it probably doesn't matter much in practice now.
Unfortunately, it does prevent us from easily capping the potential
memory usage here, on pain of losing log entries.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Matt Layher 8ab44b339e net/tstun: use unix.Ifreq type for Linux TAP interface configuration
Signed-off-by: Matt Layher <mdlayher@gmail.com>
3 years ago
Josh Bleecher Snyder 6da6d47a83 all: simplify build tags involving iOS
Prior to Go 1.16, iOS used GOOS=darwin,
so we had to distinguish macOS from iOS during GOARCH.

We now require Go 1.16 in our go.mod, so we can simplify.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder a24cee0d67 all: simplify ts_macext build tags
Now that we have the easier-to-parse go:build build tags,
it is straightforward to simplify them. Yay.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Josh Bleecher Snyder d2aa144dcc syncs: bump known good version to include Go 1.17
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
3 years ago
Brad Fitzpatrick 25e060a841 cmd/tailscale/cli: fix cert fetch WaitOrder retry loop, misc cleanups
Updates #1235

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 833200da6f net/tstun: don't exec uname -r on Linux in TUN failure diagnostics
Fixes https://twitter.com/zekjur/status/1425557520513486848

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick e804ab29fd net/tstun: move TUN failure diagnostics to OS-specific files
Mostly so the Linux one can use Linux-specific stuff in package
syscall and not use os/exec for uname for portability.

But also it helps deps a tiny bit on iOS.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick b2eea1ee00 cmd/tailscale/cli: make cert fetch registration automatic, show valid domains
Updates #1235

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Brad Fitzpatrick 39610aeb09 wgengine/magicsock: move debug knobs to their own file, compile out on iOS
No need for these knobs on iOS where you can set the environment
variables anyway.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
3 years ago
Denton Gentry 98d557dd24 Dockerfile: use alpine:3.14
golang:1.16-alpine has updated to Alpine 3.14,
update the system image to match.

Reported by @kubeworm
https://twitter.com/kubeworm/status/1426751941519020033

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
3 years ago
Denton Gentry 3e7ff5ff98 cmd/tailscaled: enable hybrid netstack mode for FreeBSD.
Allows FreeBSD to function as an exit node in the same way
that Windows and Tailscaled-on-MacOS do.

RELNOTE=FreeBSD can now function as an exit node.

Fixes https://github.com/tailscale/tailscale/issues/2498

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
3 years ago