tailscale

Commit Graph

Author	SHA1	Message	Date
Brad Fitzpatrick	eb06ec172f	wgengine/netstack: don't pass non-subnet traffic to netstack in hybrid mode Fixes tailscale/corp#1725 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	7629cd6120	net/tsaddr: add NewContainsIPFunc (move from wgengine) I want to use this from netstack but it's not exported. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	78d4c561b5	types/logger: add key grinder stats lines to rate-limiting exemption list Updates #1749 Co-authored-by: Brad Fitzpatrick <bradfitz@tailscale.com> Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Josh Bleecher Snyder	f116a4c44f	types/logger: fix rate limiter allowlist Upstream wireguard-go renamed the interface method from CreateEndpoint to ParseEndpoint. I updated the log call site but not the allowlist. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	be56aa4962	workflows: execute benchmarks #1817 removed the only place in our CI where we executed our benchmark code. Fix that by executing it everywhere. The benchmarks are generally cheap and fast, so this should add minimal overhead. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	52e1031428	cmd/tailscale: gofmt From `6d10655dc3` Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	ac75958d2e	workflows: run staticcheck on more platforms To prevent issues like #1786, run staticcheck on the primary GOOSes: linux, mac, and windows. Windows also has a fair amount of GOARCH-specific code. If we ever have GOARCH staticcheck failures on other GOOSes, we can expand the test matrix further. This requires installing the staticcheck binary so that we can execute it with different GOOSes. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Avery Pennarun	6d10655dc3	ipnlocal: accept a new opts.UpdatePrefs field. This is needed because the original opts.Prefs field was at some point subverted for use in frontend->backend state migration for backward compatibility on some platforms. We still need that feature, but we also need the feature of providing the full set of prefs from `tailscale up`, not including overwriting the prefs.Persist keys, so we can't use the original field from `tailscale up`. `tailscale up` had attempted to compensate for that by doing SetPrefs() before Start(), but that violates the ipn.Backend contract, which says you should call Start() before anything else (that's why it's called Start()). As a result, doing SetPrefs({ControlURL=..., WantRunning=true}) would cause a connection to the previous control server (because WantRunning=true), and then connect to the new control server only after running Start(). This problem may have been avoided before, but only by pure luck. It turned out to be relatively harmless since the connection to the old control server was immediately closed and replaced anyway, but it created a race condition that could have caused spurious notifications or rejected keys if the server responded quickly. As already covered by existing TODOs, a better fix would be to have Start() get out of the business of state migration altogether. But we're approaching a release so I want to make the minimum possible fix. Fixes #1840. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Josh Bleecher Snyder	7dbbe0c7c7	cmd/tailscale/cli: fix running from Xcode We were over-eager in running tailscale in GUI mode. `f42ded7acf` fixed that by checking for a variety of shell-ish env vars and using those to force us into CLI mode. However, for reasons I don't understand, those shell env vars are present when Xcode runs Tailscale.app on my machine. (I've changed no configs, modified nothing on a brand new machine.) Work around that by adding an additional "only in GUI mode" check. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	4066c606df	ipn/ipnlocal: update peerapi logging of received PUTs Clarify direction and add duration. (per chat with Avery) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	d3ba860ffd	syncs: stop running TestWatchMultipleValues on CI It's flaky, and not just on Windows. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	f5bccc0746	ipn/ipnlocal: redact more errors Updates tailscale/corp#1636 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	47ebd1e9a2	wgengine/router: use net.IP.Equal instead of bytes.Equal to compare IPs Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	737151ea4a	safesocket: delete unused function Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	f91c2dfaca	wgengine/router: remove unused field Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	bfd2b71926	portlist: suppress staticcheck error Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	42c8b9ad53	net/tstun: remove unnecessary break statement Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	61e411344f	logtail/filch: add staticcheck annotation To work around a staticcheck bug when running with GOOS=windows. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	9360f36ebd	all: use lower-case letters at the start of error message Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	962bf74875	cmd/tailscale: fail if tailscaled closes the IPN connection I was going to write a test for this using the tstest/integration test stuff, but the testcontrol implementation isn't quite there yet (it always registers nodes and doesn't provide AuthURLs). So, manually tested for now. Fixes #1843 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	68fb51b833	tstest/integration: misc cleanups Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	3237e140c4	tstest/integration: add testNode.AwaitListening, DERP+STUN, improve proxy trap Updates #1840	4 years ago
David Crawshaw	1f48d3556f	cmd/tailscale/cli: don't report outdated auth URL to web UI This brings the web 'up' logic into line with 'tailscale up'. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	4 years ago
David Crawshaw	1336ed8d9e	cmd/tailscale/cli: skip new tab on web login It doesn't work properly. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	4 years ago
David Crawshaw	85beaa52b3	paths: add synology socket path Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	4 years ago
Josh Bleecher Snyder	64047815b0	wgenengine/magicsock: delete cursed tests Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	ca65c6cbdb	cmd/tailscale: make 'file cp' have better error messages on bad targets Say when target isn't owned by current user, and when target doesn't exist in netmap. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	96ef8d34ef	ipn/ipnlocal: switch from testify to quicktest Per discussion, we want to have only one test assertion library, and we want to start by exploring quicktest. This was a mostly mechanical translation. I think we could make this nicer by defining a few helper closures at the beginning of the test. Later. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	90002be6c0	cmd/tailscale: make pref-revert checks ignore OS-irrelevant prefs This fixes #1833 in two ways: * stop setting NoSNAT on non-Linux. It only matters on Linux and the flag is hidden on non-Linux, but the code was still setting it. Because of that, the new pref-reverting safety checks were failing when it was changing. * Ignore the two Linux-only prefs changing on non-Linux. Fixes #1833 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	fb67d8311c	cmd/tailscale: pull out, parameterize up FlagSet creation for tests Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	98d7c28faa	tstest/integration: start factoring test types out to clean things up To enable easy multi-node testing (including inter-node traffic) later. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	f6e3240dee	cmd/tailscale/cli: add test to catch ipn.Pref additions	4 years ago
Avery Pennarun	6caa02428e	cmd/tailscale/cli/up: "LoggedOut" pref is implicit. There's no need to warn that it was not provided on the command line after doing a sequence of up; logout; up --args. If you're asking for tailscale to be up, you always mean that you prefer LoggedOut to become false. Fixes #1828 Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Josh Bleecher Snyder	59026a291d	wgengine/wglog: improve wireguard-go logging rate limiting Prior to wireguard-go using printf-style logging, all wireguard-go logging occurred using format string "%s". We fixed that but continued to use %s when we rewrote peer identifiers into Tailscale style. This commit removes that %sl, which makes rate limiting work correctly. As a happy side-benefit, it should generate less garbage. Instead of replacing all wireguard-go peer identifiers that might occur anywhere in a fully formatted log string, assume that they only come from args. Check all args for things that look like *device.Peers and replace them with appropriately reformatted strings. There is a variety of ways that this could go wrong (unusual format verbs or modifiers, peer identifiers occurring as part of a larger printed object, future API changes), but none of them occur now, are likely to be added, or would be hard to work around if they did. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Josh Bleecher Snyder	1f94d43b50	wgengine/wglog: delay formatting The "stop phrases" we use all occur in wireguard-go in the format string. We can avoid doing a bunch of fmt.Sprintf work when they appear. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	544d8d0ab8	ipn/ipnlocal: remove NewLocalBackendWithClientGen This removes the NewLocalBackendWithClientGen constructor added in `b4d04a065f` and instead adds LocalBackend.SetControlClientGetterForTesting, mirroring LocalBackend.SetHTTPTestClient. NewLocalBackendWithClientGen was weird in being exported but taking an unexported type. This was noted during code review: https://github.com/tailscale/tailscale/pull/1818#discussion_r623155669 which ended in: "I'll leave it for y'all to clean up if you find some way to do it elegantly." This is more idiomatic. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Avery Pennarun	0181a4d0ac	ipnlocal: don't pause the controlclient until we get at least one netmap. Without this, macOS would fail to display its menu state correctly if you started it while !WantRunning. It relies on the netmap in order to show the logged-in username. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	4ef207833b	ipn: !WantRunning + !LoggedOut should not be idle on startup. There was logic that would make a "down" tailscale backend (ie. !WantRunning) refuse to do any network activity. Unfortunately, this makes the macOS and iOS UI unable to render correctly if they start while !WantRunning. Now that we have Prefs.LoggedOut, use that instead. So `tailscale down` will still allow the controlclient to connect its authroutine, but pause the maproutine. `tailscale logout` will entirely stop all activity. This new behaviour is not obviously correct; it's a bit annoying that `tailsale down` doesn't terminate all activity like you might expect. Maybe we should redesign the UI code to render differently when disconnected, and then revert this change. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	4f3315f3da	ipnlocal: setting WantRunning with EditPrefs was special. EditPrefs should be just a wrapper around the action of changing prefs, but someone had added a side effect of calling Login() sometimes. The side effect happened after running the state machine, which would sometimes result in us going into NeedsLogin immediately before calling cc.Login(). This manifested as the macOS app not being able to Connect if you launched it with LoggedOut=false and WantRunning=false. Trying to Connect() would sent us to the NeedsLogin state instead. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	2a4d1cf9e2	Add prefs.LoggedOut to fix several state machine bugs. Fixes: tailscale/corp#1660 Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	b0382ca167	ipn/ipnlocal: some state_test cleanups. This doesn't change the actual functionality. Just some additional comments and fine tuning. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	ac9cd48c80	ipnlocal: fix deadlock when calling Shutdown() from Start(). Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	ecdba913d0	Revert "ipn/ipnlocal: be authoritative for the entire MagicDNS record tree." Unfortunately this broke MagicDNS almost entirely. Updates: tailscale/corp#1706 This reverts commit `1d7e7b49eb`.	4 years ago
Brad Fitzpatrick	5e9e11a77d	tstest/integration/testcontrol: add start of test control server Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Avery Pennarun	19c3e6cc9e	types/logger: rate limited: more hysteresis, better messages. - Switch to our own simpler token bucket, since x/time/rate is missing necessary stuff (can't provide your own time func; can't check the current bucket contents) and it's overkill anyway. - Add tests that actually include advancing time. - Don't remove the rate limit on a message until there's enough room to print at least two more of them. When we do, we'll also print how many we dropped, as a contextual reminder that some were previously lost. (This is more like how the Linux kernel does it.) - Reformat the [RATE LIMITED] messages to be shorter, and to not corrupt original message. Instead, we print the message, then print its format string. - Use %q instead of \"%s\", for more accurate parsing later, if the format string contained quotes. Fixes #1772 Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Josh Bleecher Snyder	20e04418ff	net/dns: add GOOS build tags Fixes #1786 Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Avery Pennarun	b7e31ab1a4	ipn: mock controlclient.Client; big ipn.Backend state machine test. A very long unit test that verifies the way the controlclient and ipn.Backend interact. This is a giant sequential test of the state machine. The test passes, but only because it's asserting all the wrong behaviour. I marked all the behaviour I think is wrong with BUG comments, and several additional test opportunities with TODO. Note: the new test supercedes TestStartsInNeedsLoginState, which was checking for incorrect behaviour (although the new test still checks for the same incorrect behaviour) and assumed .Start() would converge before returning, which it happens to do, but only for this very specific case, for the current implementation. You're supposed to wait for the notifications. Updates: tailscale/corp#1660 Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	b4d04a065f	controlclient: extract a Client interface and rename Client->Auto. This will let us create a mock or fake Client implementation for use with ipn.Backend. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Avery Pennarun	cc3119e27e	controlclient: extract State and Status stuff into its own file. No changes other than moving stuff around. Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	4 years ago
Brad Fitzpatrick	a07a504b16	tstest/integration: use go binary from runtime.GOROOT Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago

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