tailscale

Commit Graph

Author	SHA1	Message	Date
David Anderson	61c3b98a24	Revert "types/key: add MachinePrivate and MachinePublic." Broke the tailscale control plane due to surprise different serialization. This reverts commit `4fdb88efe1`.	3 years ago
David Anderson	4fdb88efe1	types/key: add MachinePrivate and MachinePublic. Plumb throughout the codebase as a replacement for the mixed use of tailcfg.MachineKey and wgkey.Private/Public. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	4ce091cbd8	version: use `go` from the current toolchain to compile in tests. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	d1cb7a2639	metrics: use SYS_OPENAT New systems like arm64 don't even have SYS_OPEN.	3 years ago
David Anderson	159d88aae7	go.mod: tidy. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	b96159e820	go.mod: update github.com/ulikunitz/xz for https://github.com/advisories/GHSA-25xm-hr59-7c27 Our code is not vulnerable to the issue in question: it only happens in the decompression path for untrusted inputs, and we only use xz as part of mkpkg, which is write-only and operates on trusted build system outputs to construct deb and rpm packages. Still, it's nice to keep the dependabot dashboard clean. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	99a1c74a6a	metrics: optimize CurrentFDs to not allocate on Linux It was 50% of our allocs on one of our servers. (!!) Updates #2784 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	db3586cd43	go.mod: upgrade staticcheck It was crashing on a PR of mine and this fixes it.	3 years ago
Brad Fitzpatrick	ec2b7c7da6	all: bump minimum Go to 1.17 In prep for using 1.17 features. Note the go.mod changes are due to: https://golang.org/doc/go1.17#go-command Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	fc160f80ee	metrics: move currentFDs code to the metrics package Updates #2784 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	5d800152d9	cmd/derper: increase port 80's WriteTimeout to permit longer CPU profiles Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Chuangbo Li	e4e4d336d9	cmd/derper: listen on host of flag server addr for port 80 and 3478 (#2768 ) cmd/derper: listen on host of flag server addr for port 80 and 3478 When using custom derp on the server with multiple IP addresses, we would like to bind derp 80, 443 and stun 3478 to a certain IP. derp command provides flag `-a` to customize which address to bind for port 443. But port :80 and :3478 were hard-coded. Fixes #2767 Signed-off-by: Li Chuangbo <im@chuangbo.li>	3 years ago
David Crawshaw	4e18cca62e	testcontrol: replace panic with error I have seen this once in the VM test (caused by an EOF, I believe on shutdown) that didn't need to cause the test to fail. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
Brad Fitzpatrick	5bacbf3744	wgengine/magicsock, health, ipn/ipnstate: track DERP-advertised health And add health check errors to ipnstate.Status (tailscale status --json). Updates #2746 Updates #2775 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	722942dd46	tsweb: restore CPU profiling handler It was accidentally deleted in the earlier `0022c3d2e` (#2143) refactor. Lock it in with a test. Fixes tailscale/corp#2503 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Anderson	daf54d1253	control/controlclient: remove TS_DEBUG_USE_DISCO=only. It was useful early in development when disco clients were the exception and tailscale logs were noisier than today, but now non-disco is the exception. Updates #2752 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	39748e9562	net/dns/resolver: authoritatively return NXDOMAIN for reverse zones we own. Fixes #2774 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	954064bdfe	wgengine/wgcfg/nmcfg: don't configure peers who can't DERP or disco. Fixes #2770 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	f90ac11bd8	wgengine: remove unnecessary magicConnStarted channel. Having removed magicconn.Start, there's no need to synchronize startup of other things to it any more. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	bb10443edf	wgengine/wgcfg: use just the hexlified node key as the WireGuard endpoint. The node key is all magicsock needs to find the endpoint that WireGuard needs. Updates #2752 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	d00341360f	wgengine/magicsock: remove unused debug knob. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	dfd978f0f2	wgengine/magicsock: use NodeKey, not DiscoKey, as the trigger for lazy reconfig. Updates #2752 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	4c27e2fa22	wgengine/magicsock: remove Start method from Conn. Over time, other magicsock refactors have made Start effectively a no-op, except that some other functions choose to panic if called before Start. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	1a899344bd	wgengine/magicsock: don't store tailcfg.Nodes alongside endpoints. Updates #2752 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	b2181608b5	wgengine/magicsock: eagerly create endpoints in SetNetworkMap. Updates #2752 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Maisem Ali	0842e2f45b	ipn/store: add ability to store data as k8s secrets. Signed-off-by: Maisem Ali <maisem@tailscale.com>	3 years ago
David Crawshaw	f53792026e	tstest/integration/vms: move build tags from linux to !windows The tests build fine on other Unix's, they just can't run there. But there is already a t.Skip by default, so `go test` ends up working fine elsewhere and checks the code compiles. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
Brad Fitzpatrick	7f29dcaac1	cmd/tailscale/cli: make up block until state Running, not just Starting At "Starting", the DERP connection isn't yet up. After the first netmap and DERP connect, then it transitions into "Running". Fixes #2708 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	fb8b821710	tsnet: fix typo in comment Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	7a7aa8f2b0	cmd/derper: also add port 80 timeouts Didn't notice this one in earlier `00b3c1c042` Updates tailscale/corp#2486 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	3c8ca4b357	client/tailscale, cmd/tailscale/cli: move version mismatch check to CLI So people can use the package for whois checks etc without version skew errors. The earlier change `faa891c1f2` for #1905 was a bit too aggressive. Fixes #2757 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	8744394cde	version: bump date Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	21cb0b361f	safesocket: add connect retry loop to wait for tailscaled Updates #2708 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	a59b389a6a	derp: add new health update and server restarting frame types Updates #2756 Updates #2746 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Christine Dodrill	0b9e938152	tstest/integration/vms: test DNS configuration This uses a neat little tool to dump the output of DNS queries to standard out. This is the first end-to-end test of DNS that runs against actual linux systems. The /etc/resolv.conf test may look superflous, however this will help for correlating system state if one of the DNS tests fails. Signed-off-by: Christine Dodrill <xe@tailscale.com>	3 years ago
Brad Fitzpatrick	00b3c1c042	cmd/derper: add missing read/write timeouts Updates tailscale/corp#2486 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Crawshaw	9b7fc2ed1f	.github: add Ubuntu VM test Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
Brad Fitzpatrick	73280595a8	derp: accept dup clients without closing prior's connection A public key should only have max one connection to a given DERP node (or really: one connection to a node in a region). But if people clone their machine keys (e.g. clone their VM, Raspbery Pi SD card, etc), then we can get into a situation where a public key is connected multiple times. Originally, the DERP server handled this by just kicking out a prior connections whenever a new one came. But this led to reconnect fights where 2+ nodes were in hard loops trying to reconnect and kicking out their peer. Then `a909d37a59` tried to add rate limiting to how often that dup-kicking can happen, but empirically it just doesn't work and ~leaks a bunch of goroutines and TCP connections, tying them up for hour+ while more and more accumulate and waste memory. Mostly because we were doing a time.Sleep forever while not reading from their TCP connections. Instead, just accept multiple connections per public key but track which is the most recent. And if two both are writing back & forth, then optionally disable them both. That last part is only enabled in tests for now. The current default policy is just last-sender-wins while we gather the next round of stats. Updates #2751 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Crawshaw	debaaebf3b	tstest/integration/vms: turn on logcatcher logging by default Absolutely vital to debugging failures. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
David Crawshaw	a1f1020042	tstest/integration/vms: avoid log after test completion Avoids a panic in the Go testing package if a late log comes in. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
David Crawshaw	583af7c1a6	tstest/integration/vms: give guest multiple cores and use generic machine Speeds up tests. Allows the use of more version of qemu. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
David Crawshaw	8668103f06	tstest/integration/vms: print qemu console output, fix printing issues Fix a few test printing issues when tests fail. Qemu console output is super useful when something is wrong in the harness and we cannot even bring up the tests. Also useful for figuring out where all the time goes in tests. A little noisy, but not too noisy as long as you're only running one VM as part of the tests, which is my plan. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
David Crawshaw	1a9fba5b04	tstest/integration/vms: fix ubuntu URLs Also remove extra distros for now. We can bring them back later if useful. Though our most important distros are these two Ubuntu, debian stable, and Raspbian (not currently supported). And before doing more Linux, we should do Windows. Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
Emmanuel T Odeke	0daa32943e	all: add (*testing.B).ReportAllocs() to every benchmark This ensures that we can properly track and catch allocation slippages that could otherwise have been missed. Fixes #2748	3 years ago
David Anderson	44d71d1e42	wgengine/magicsock: fix race in test shutdown, again. We were returning an error almost, but not quite like errConnClosed in a single codepath, which could still trip the panic on reconfig in the test logic. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	f09ede9243	wgengine/magicsock: don't configure eager WireGuard handshaking in tests. Our prod code doesn't eagerly handshake, because our disco layer enables on-demand handshaking. Configuring both peers to eagerly handshake leads to WireGuard handshake races that make TestTwoDevicePing flaky. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	86d1c4eceb	wgengine/magicsock: ignore close races even harder. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	8bacfe6a37	wgengine/magicsock: remove unused sendLogLimit limiter. Magicsock these days gets its logs limited by the global log limiter. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	e151b74f93	wgengine/magicsock: remove opts.SimulatedNetwork. It only existed to override one test-only behavior with a different test-only behavior, in both cases working around an annoying feature of our CI environments. Instead, handle that weirdness entirely in the test code, with a tweaked TestOnlyPacketListener that gets injected. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	58c1f7d51a	wgengine/magicsock: rename opts.PacketListener to TestOnlyPacketListener. The docstring said it was meant for use in tests, but it's specifically a special codepath that is _only_ used in tests, so make the claim stronger. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago

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