tailscale

Commit Graph

Author	SHA1	Message	Date
Andrew Dunham	c6d42b1093	derp: remove stats goroutine, use a timer Without changing behaviour, don't create a goroutine per connection that sits and sleeps, but rather use a timer that wakes up and gathers statistics on a regular basis. Fixes #12127 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ibc486447e403070bdc3c2cd8ae340e7d02854f21	6 months ago
Irbe Krumina	7ef2f72135	util/linuxfw: fix IPv6 availability check for nftables (#12009 ) * util/linuxfw: fix IPv6 NAT availability check for nftables When running firewall in nftables mode, there is no need for a separate NAT availability check (unlike with iptables, there are no hosts that support nftables, but not IPv6 NAT - see tailscale/tailscale#11353). This change fixes a firewall NAT availability check that was using the no-longer set ipv6NATAvailable field by removing the field and using a method that, for nftables, just checks that IPv6 is available. Updates tailscale/tailscale#12008 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Brad Fitzpatrick	8aa5c3534d	ipn/ipnlocal: simplify authURL vs authURLSticky, remove interact field The previous LocalBackend & CLI 'up' changes improved some stuff, but might've been too aggressive in some edge cases. This simplifies the authURL vs authURLSticky distinction and removes the interact field, which seemed to just just be about duplicate URL suppression in IPN bus, back from when the IPN bus was a single client at a time. This moves that suppression to a different spot. Fixes #12119 Updates #12028 Updates #12042 Change-Id: I1f8800b1e82ccc1c8a0d7abba559e7404ddf41e4 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	6 months ago
Parker Higgins	7b3e30f391	words: add some fruit with scales (#8460 ) Signed-off-by: Parker Higgins <parker@tailscale.com>	6 months ago
Maisem Ali	79b2d425cf	types/views: move AsMap to Map from Map This was a typo in `2e19790f61`. It should have been on `Map` and not on `Map` as otherwise it doesn't allow for chaining like `someView.SomeMap().AsMap()` and requires first assigning it to a variable. Updates #typo Signed-off-by: Maisem Ali <maisem@tailscale.com>	6 months ago
Charlotte Brandhorst-Satzkorn	fc1ae97e10	words: I had a feline we were missing some words (#12098 ) pspspsps Updates #tailscale/corp#14698 Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>	7 months ago
Maisem Ali	486a423716	tsnet: split user facing and backend logging This adds a new `UserLogf` field to the `Server` struct. When set this any logs generated by Server are logged using `UserLogf` and all spammy backend logs are logged to `Logf`. If it `UserLogf` is unset, we default to `log.Printf` and if `Logf` is unset we discard all the spammy logs. Fixes #12094 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Percy Wegmann	7209c4f91e	drive: parse depth 1 PROPFIND results to include children in cache Clients often perform a PROPFIND for the parent directory before performing PROPFIND for specific children within that directory. The PROPFIND for the parent directory is usually done at depth 1, meaning that we already have information for all of the children. By immediately adding that to the cache, we save a roundtrip to the remote peer on the PROPFIND for the specific child. Updates tailscale/corp#19779 Signed-off-by: Percy Wegmann <percy@tailscale.com>	7 months ago
Irbe Krumina	d86d1e7601	cmd/k8s-operator,cmd/containerboot,ipn,k8s-operator: turn off stateful filter for egress proxies. (#12075 ) Turn off stateful filtering for egress proxies to allow cluster traffic to be forwarded to tailnet. Allow configuring stateful filter via tailscaled config file. Deprecate EXPERIMENTAL_TS_CONFIGFILE_PATH env var and introduce a new TS_EXPERIMENTAL_VERSIONED_CONFIG env var that can be used to provide containerboot a directory that should contain one or more tailscaled config files named cap-<tailscaled-cap-version>.hujson. Containerboot will pick the one with the newest capability version that is not newer than its current capability version. Proxies with this change will not work with older Tailscale Kubernetes operator versions - users must ensure that the deployed operator is at the same version or newer (up to 4 version skew) than the proxies. Updates tailscale/tailscale#12061 Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Claire Wang	e070af7414	ipnlocal, magicsock: add more description to storing last suggested exit (#11998 ) node related functions Updates tailscale/corp#19681 Signed-off-by: Claire Wang <claire@tailscale.com>	7 months ago
Andrew Dunham	5708fc0639	wgengine/router: print Docker warning when stateful filtering is enabled When Docker is detected on the host and stateful filtering is enabled, Docker containers may be unable to reach Tailscale nodes (depending on the network settings of a container). Detect Docker when stateful filtering is enabled and print a health warning to aid users in noticing this issue. We avoid printing the warning if the current node isn't advertising any subnet routes and isn't an exit node, since without one of those being true, the node wouldn't have the correct AllowedIPs in WireGuard to allow a Docker container to connect to another Tailscale node anyway. Updates #12070 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Idef538695f4d101b0ef6f3fb398c0eaafc3ae281	7 months ago
Andrew Dunham	25e32cc3ae	util/linuxfw: fix table name in DelStatefulRule Updates #12061 Follow-up to #12072 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I2ba8c4bff14d93816760ff5eaa1a16f17bad13c1	7 months ago
Maisem Ali	21abb7f402	cmd/tailscale: add missing set flags for linux We were missing `snat-subnet-routes`, `stateful-filtering` and `netfilter-mode`. Add those to set too. Fixes #12061 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Anton Tolchanov	ac638f32c0	util/linuxfw: fix stateful packet filtering in nftables mode To match iptables: `b5dbf155b1/util/linuxfw/iptables_runner.go (L536)` Updates #12066 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	7 months ago
Irbe Krumina	b5dbf155b1	cmd/k8s-operator: default nameserver image to tailscale/k8s-nameserver:unstable (#11991 ) We are now publishing nameserver images to tailscale/k8s-nameserver, so we can start defaulting the images if users haven't set them explicitly, same as we already do with proxy images. The nameserver images are currently only published for unstable track, so we have to use the static 'unstable' tag. Once we start publishing to stable, we can make the operator default to its own tag (because then we'll know that for each operator tag X there is also a nameserver tag X as we always cut all images for a given tag. Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Andrew Dunham	8f7f9ac17e	wgengine/netstack: handle 4via6 routes that are advertised by the same node Previously, a node that was advertising a 4via6 route wouldn't be able to make use of that same route; the packet would be delivered to Tailscale, but since we weren't accepting it in handleLocalPackets, the packet wouldn't be delivered to netstack and would never hit the 4via6 logic. Let's add that support so that usage of 4via6 is consistent regardless of where the connection is initiated from. Updates #11304 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ic28dc2e58080d76100d73b93360f4698605af7cb	7 months ago
Nick O'Neill	7901925ad3	VERSION.txt: this is v1.67.0 (#12063 ) Signed-off-by: Nick O'Neill <nick@tailscale.com>	7 months ago
Sonia Appasamy	8130656780	api.md: remove extraneous commas in json examples Updates #cleanup Signed-off-by: Sonia Appasamy <sonia@tailscale.com>	7 months ago
Anton Tolchanov	6f4a1dc6bf	ipn/ipnlocal: fix another read of keyExpired outside mutex Updates #12039 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	7 months ago
Brad Fitzpatrick	e968b0ecd7	cmd/tailscale,controlclient,ipnlocal: fix 'up', deflake tests more The CLI's "up" is kinda chaotic and LocalBackend.Start is kinda chaotic and they both need to be redone/deleted (respectively), but this fixes some buggy behavior meanwhile. We were previously calling StartLoginInteractive (to start the controlclient's RegisterRequest) redundantly in some cases, causing test flakes depending on timing and up's weird state machine. We only need to call StartLoginInteractive in the client if Start itself doesn't. But Start doesn't tell us that. So cheat a bit and a put the information about whether there's a current NodeKey in the ipn.Status. It used to be accessible over LocalAPI via GetPrefs as a private key but we removed that for security. But a bool is fine. So then only call StartLoginInteractive if that bool is false and don't do it in the WatchIPNBus loop. Fixes #12028 Updates #12042 Change-Id: I0923c3f704a9d6afd825a858eb9a63ca7c1df294 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Brad Fitzpatrick	e5ef35857f	ipn/ipnlocal: fix read of keyExpired outside mutex Fixes #12039 Change-Id: I28c8a282ce12619f17103e9535841f15394ce685 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Brad Fitzpatrick	21509db121	ipn/ipnlocal, all: plumb health trackers in tests I saw some panics in CI, like: 2024-05-08T04:30:25.9553518Z ## WARNING: (non-fatal) nil health.Tracker (being strict in CI): 2024-05-08T04:30:25.9554043Z goroutine 801 [running]: 2024-05-08T04:30:25.9554489Z tailscale.com/health.(Tracker).nil(0x0) 2024-05-08T04:30:25.9555086Z tailscale.com/health/health.go:185 +0x70 2024-05-08T04:30:25.9555688Z tailscale.com/health.(Tracker).SetUDP4Unbound(0x0, 0x0) 2024-05-08T04:30:25.9556373Z tailscale.com/health/health.go:532 +0x2f 2024-05-08T04:30:25.9557296Z tailscale.com/wgengine/magicsock.(Conn).bindSocket(0xc0003b4808, 0xc0003b4878, {0x1fbca53, 0x4}, 0x0) 2024-05-08T04:30:25.9558301Z tailscale.com/wgengine/magicsock/magicsock.go:2481 +0x12c5 2024-05-08T04:30:25.9559026Z tailscale.com/wgengine/magicsock.(Conn).rebind(0xc0003b4808, 0x0) 2024-05-08T04:30:25.9559874Z tailscale.com/wgengine/magicsock/magicsock.go:2510 +0x16f 2024-05-08T04:30:25.9561038Z tailscale.com/wgengine/magicsock.NewConn({0xc000063c80, 0x0, 0xc000197930, 0xc000197950, 0xc000197960, {0x0, 0x0}, 0xc000197970, 0xc000198ee0, 0x0, ...}) 2024-05-08T04:30:25.9562402Z tailscale.com/wgengine/magicsock/magicsock.go:476 +0xd5f 2024-05-08T04:30:25.9563779Z tailscale.com/wgengine.NewUserspaceEngine(0xc000063c80, {{0x22c8750, 0xc0001976b0}, 0x0, {0x22c3210, 0xc000063c80}, {0x22c31d8, 0x2d3c900}, 0x0, 0x0, ...}) 2024-05-08T04:30:25.9564982Z tailscale.com/wgengine/userspace.go:389 +0x159d 2024-05-08T04:30:25.9565529Z tailscale.com/ipn/ipnlocal.newTestBackend(0xc000358b60) 2024-05-08T04:30:25.9566086Z tailscale.com/ipn/ipnlocal/serve_test.go:675 +0x2a5 2024-05-08T04:30:25.9566612Z ta Updates #11874 Change-Id: I3432ed52d670743e532be4642f38dbd6e3763b1b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Brad Fitzpatrick	727c0d6cfd	ipn/ipnserver: close a small race in ipnserver, ~simplify code There was a small window in ipnserver after we assigned a LocalBackend to the ipnserver's atomic but before we Start'ed it where our initalization Start could conflict with API calls from the LocalAPI. Simplify that a bit and lay out the rules in the docs. Updates #12028 Change-Id: Ic5f5e4861e26340599184e20e308e709edec68b1 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Maisem Ali	32bc596062	ipn/ipnlocal: acquire b.mu once in Start We used to Lock, Unlock, Lock, Unlock quite a few times in Start resulting in all sorts of weird race conditions. Simplify it all and only Lock/Unlock once. Updates #11649 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Maisem Ali	9380e2dfc6	ipn/ipnlocal: use lockAndGetUnlock in Start This removes one of the Lock,Unlock,Lock,Unlock at least in the Start function. Still has 3 more of these. Updates #11649 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Maisem Ali	e1011f1387	ipn/ipnlocal: call SetNetInfoCallback from NewLocalBackend Instead of calling it from Start everytime, call it from NewLocalBackend once. Updates #11649 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Maisem Ali	85b9a6c601	net/netcheck: do not add derps if IPv4/IPv6 is set to "none" It was documented as such but seems to have been dropped in a refactor, restore the behavior. This brings down the time it takes to run a single integration test by 2s which adds up quite a bit. Updates tailscale/corp#19786 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Brad Fitzpatrick	d7bdd8e2a7	go.toolchain.rev: update to Go 1.22.3 Updates #12044 Change-Id: I4ad16f2bfcec13735cb10713e028b2c5527501ed Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
kari-ts	3c4c9dc1d2	web: use EditPrefs instead of passing UpdatePrefs to starting (#12040 ) Web version of https://github.com/tailscale/tailscale-android/pull/370 This allows us to update the prefs rather than creating new prefs Updates tailscale/tailscale#11731 Signed-off-by: kari-ts <kari@tailscale.com>	7 months ago
Brad Fitzpatrick	80df8ffb85	control/controlclient: early return and outdent some code I found this too hard to read before. This is pulled out of #12033 as it's unrelated cleanup in retrospect. Updates #12028 Change-Id: I727c47e573217e3d1973c5b66a76748139cf79ee Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Andrew Lytvynov	471731771c	ipn/ipnlocal: set default NoStatefulFiltering in ipn.NewPrefs (#12031 ) This way the default gets populated on first start, when no existing state exists to migrate. Also fix `ipn.PrefsFromBytes` to preserve empty fields, rather than layering `NewPrefs` values on top. Updates https://github.com/tailscale/corp/issues/19623 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	7 months ago
Paul Scott	78fa698fe6	cmd/tailscale/cli/ffcomplete: remove fullstop from ShortHelp Updates #cleanup Signed-off-by: Paul Scott <paul@tailscale.com>	7 months ago
Maisem Ali	482890b9ed	tailcfg: bump capver for using NodeAttrUserDialUseRoutes for DNS Missed in `f62e678df8`. Updates tailscale/corp#18725 Updates #4529 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Maisem Ali	af97e7a793	tailcfg,all: add/plumb Node.IsJailed This adds a new bool that can be sent down from control to do jailing on the client side. Previously this would only be done from control by modifying the packet filter we sent down to clients. This would result in a lot of additional work/CPU on control, we could instead just do this on the client. This has always been a TODO which we keep putting off, might as well do it now. Updates tailscale/corp#19623 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago
Maisem Ali	e67069550b	ipn/ipnlocal,net/tstun,wgengine: create and plumb jailed packet filter This plumbs a packet filter for jailed nodes through to the tstun.Wrapper; the filter for a jailed node is equivalent to a "shields up" filter. Currently a no-op as there is no way for control to tell the client whether a peer is jailed. Updates tailscale/corp#19623 Co-authored-by: Andrew Dunham <andrew@du.nham.ca> Signed-off-by: Maisem Ali <maisem@tailscale.com> Change-Id: I5ccc5f00e197fde15dd567485b2a99d8254391ad	7 months ago
Nick Khyl	f62e678df8	net/dns/resolver, control/controlknobs, tailcfg: use UserDial instead of SystemDial to dial DNS servers Now that tsdial.Dialer.UserDial has been updated to honor the configured routes and dial external network addresses without going through Tailscale, while also being able to dial a node/subnet router on the tailnet, we can start using UserDial to forward DNS requests. This is primarily needed for DNS over TCP when forwarding requests to internal DNS servers, but we also update getKnownDoHClientForProvider to use it. Updates tailscale/corp#18725 Signed-off-by: Nick Khyl <nickk@tailscale.com>	7 months ago
Andrew Lytvynov	c28f5767bf	various: implement stateful firewalling on Linux (#12025 ) Updates https://github.com/tailscale/corp/issues/19623 Change-Id: I7980e1fb736e234e66fa000d488066466c96ec85 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Co-authored-by: Andrew Dunham <andrew@du.nham.ca>	7 months ago
Maisem Ali	5ef178fdca	net/tstun: refactor peerConfig to allow storing more details This refactors the peerConfig struct to allow storing more details about a peer and not just the masq addresses. To be used in a follow up change. As a side effect, this also makes the DNAT logic on the inbound packet stricter. Previously it would only match against the packets dst IP, not it also takes the src IP into consideration. The beahvior is at parity with the SNAT case. Updates tailscale/corp#19623 Co-authored-by: Andrew Dunham <andrew@du.nham.ca> Signed-off-by: Maisem Ali <maisem@tailscale.com> Change-Id: I5f40802bebbf0f055436eb8824e4511d0052772d	7 months ago
Brad Fitzpatrick	f3d2fd22ef	cmd/tailscale/cli: don't start WatchIPNBus until after up's initial Start The CLI "up" command is a historical mess, both on the CLI side and the LocalBackend side. We're getting closer to cleaning it up, but in the meantime it was again implicated in flaky tests. In this case, the background goroutine running WatchIPNBus was very occasionally running enough to get to its StartLoginInteractive call before the original goroutine did its Start call. That meant integration tests were very rarely but sometimes logging in with the default control plane URL out on the internet (controlplane.tailscale.com) instead of the localhost control server for tests. This also might've affected new Headscale etc users on initial "up". Fixes #11960 Fixes #11962 Change-Id: I36f8817b69267a99271b5ee78cb7dbf0fcc0bd34 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Brad Fitzpatrick	aadb8d9d21	ipn/ipnlocal: don't send an empty BrowseToURL w/ WatchIPNBus NotifyInitialState I noticed this while working on the following fix to #11962. Updates #11962 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> Change-Id: I4c5894d8899d1ae8c42f54ecfd4d05a4a7ac598c	7 months ago
Brad Fitzpatrick	e26f76a1c4	tstest/integration: add more debugging, logs to catch flaky test Updates #11962 Change-Id: I1ab0db69bdf8d1d535aa2cef434c586311f0fe18 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Nick Khyl	caa3d7594f	ipn/ipnlocal, net/tsdial: plumb routes into tsdial and use them in UserDial We'd like to use tsdial.Dialer.UserDial instead of SystemDial for DNS over TCP. This is primarily necessary to properly dial internal DNS servers accessible over Tailscale and subnet routes. However, to avoid issues when switching between Wi-Fi and cellular, we need to ensure that we don't retain connections to any external addresses on the old interface. Therefore, we need to determine which dialer to use internally based on the configured routes. This plumbs routes and localRoutes from router.Config to tsdial.Dialer, and updates UserDial to use either the peer dialer or the system dialer, depending on the network address and the configured routes. Updates tailscale/corp#18725 Fixes #4529 Signed-off-by: Nick Khyl <nickk@tailscale.com>	7 months ago
Brad Fitzpatrick	ce8969d82b	net/portmapper: add envknob to disable portmapper in localhost integration tests Updates #11962 Change-Id: I8212cd814985b455d96986de0d4c45f119516cb3 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Brad Fitzpatrick	7e0dd61e61	ipn/ipnlocal, tstest/integration: add panic to catch flaky test in the act Updates #11962 Change-Id: Ifa24b82f9c76639bfd83278a7c2fe9cf42897bbb Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
License Updater	258b5042fe	licenses: update license notices Signed-off-by: License Updater <noreply+license-updater@tailscale.com>	7 months ago
Brad Fitzpatrick	c3c18027c6	all: make more tests pass/skip in airplane mode Updates tailscale/corp#19786 Change-Id: Iedc6730fe91c627b556bff5325bdbaf7bf79d8e6 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Claire Wang	41f2195899	util/syspolicy: add auto exit node related keys (#11996 ) Updates tailscale/corp#19681 Signed-off-by: Claire Wang <claire@tailscale.com>	7 months ago
Brad Fitzpatrick	1a963342c7	util/set: add Of variant of SetOf that takes variadic parameter set.Of(1, 2, 3) is prettier than set.SetOf([]int{1, 2, 3}). I was going to change the signature of SetOf but then I noticed its name has stutter anyway, so I kept it for compatibility. People can prefer to use set.Of for new code or slowly migrate. Also add a lazy Make method, which I often find myself wanting, without having to resort to uglier mak.Set(&set, k, struct{}{}). Updates #cleanup Change-Id: Ic6f3870115334efcbd65e79c437de2ad3edb7625 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Will Norris	80decd83c1	tsweb: remove redundant bumpStartIfNeeded func Updates #12001 Signed-off-by: Will Norris <will@tailscale.com>	7 months ago
Maisem Ali	ed843e643f	types/views: add AppendStrings util func Updates tailscale/corp#19623 Signed-off-by: Maisem Ali <maisem@tailscale.com>	7 months ago

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