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Author	SHA1	Message	Date
Joe Tsai	cb00eac850	taildrop: disable TestResume (#9873) ... This test is currently failing on Windows. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
Joe Tsai	674beabc73	syncs: add Map.LoadFunc (#9869) ... The LoadFunc loads a value and calls a user-provided function. The utility of this method is to ensure that the map lock is held while executing user-provided logic. This allows us to solve TOCTOU bugs that would be nearly imposible to the solve without this API. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
James Tucker	afb72ecd73	.github/workflows: update golangci-lint ... Updates #cleanup Signed-off-by: James Tucker <james@tailscale.com>	1 year ago
Sonia Appasamy	851536044a	client/web: add tests for authorizeRequest ... Updates tailscale/corp#14335 Signed-off-by: Sonia Appasamy <sonia@tailscale.com>	1 year ago
Maisem Ali	c3a8e63100	util/linuxfw: add additional nftable detection logic ... We were previously using the netlink API to see if there are chains/rules that already exist. This works fine in environments where there is either full nftable support or no support at all. However, we have identified certain environments which have partial nftable support and the only feasible way of detecting such an environment is to try to create some of the chains that we need. This adds a check to create a dummy postrouting chain which is immediately deleted. The goal of the check is to ensure we are able to use nftables and that it won't error out later. This check is only done in the path where we detected that the system has no preexisting nftable rules. Updates #5621 Updates #8555 Updates #8762 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	b47cf04624	util/linuxfw: fix broken tests ... These tests were broken at HEAD. CI currently does not run these as root, will figure out how to do that in a followup. Updates #5621 Updates #8555 Updates #8762 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Joe Tsai	a8fbe284b2	taildrop: fix theoretical race condition (#9866) ... WaitGroup.Wait should not be concurrently called WaitGroup.Add. In other words, we should not start new goroutines after shutodwn is called. Thus, add a conditional to check that shutdown has not been called before starting off a new waitAndDelete goroutine. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
License Updater	756a4c43b6	licenses: update win/apple licenses ... Signed-off-by: License Updater <noreply+license-updater@tailscale.com>	1 year ago
Joe Tsai	3f27087e9d	taildrop: switch hashing to be streaming based (#9861) ... While the previous logic was correct, it did not perform well. Resuming is a dance between the client and server, where 1. the client requests hashes for a partial file, 2. the server then computes those hashes, 3. the client computes hashes locally and compares them. 4. goto 1 while the partial file still has data While step 2 is running, the client is sitting idle. While step 3 is running, the server is sitting idle. By streaming over the block hash immediately after the server computes it, the client can start checking the hash, while the server works on the next hash (in a pipelined manner). This performs dramatically better and also uses less memory as we don't need to hold a list of hashes, but only need to handle one hash at a time. There are two detriments to this approach: * The HTTP API relies on a JSON stream, which is not a standard REST-like pattern. However, since we implement both client and server, this is fine. * While the stream is on-going, we hold an open file handle on the server side while the file is being hashed. On really slow streams, this could hold a file open forever. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net> Co-authored-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Joe Tsai	7971333603	ipn: fix localapi and peerapi protocol for taildrop resume (#9860) ... Minor fixes: * The branch for listing or hashing partial files was inverted. * The host for peerapi call needs to be real (rather than bogus). * Handle remote peers that don't support resuming. * Make resume failures non-fatal (since we can still continue). This was tested locally, end-to-end system test is future work. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net> Co-authored-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Andrew Lytvynov	77127a2494	clientupdate: fix background install for linux tarballs (#9852) ... Two bug fixes: 1. when tailscale update is executed as root, `os.UserCacheDir` may return an error because `$XDG_CACHE_HOME` and `$HOME` are not set; fallback to `os.TempDir` in those cases 2. on some weird distros (like my EndeavourOS), `/usr/sbin` is just a symlink to `/usr/bin`; when we resolve `tailscale` binary path from `tailscaled`, allow `tailscaled` to be in either directory Updates #755 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	1 year ago
Sonia Appasamy	c27870e160	client/web: refactor authorizeRequest ... Moves request authorization back into Server.serve to be run at the start of any request. Fixes Synology unstable track bug where client would get stuck unable to auth due to not rendering the Synology redirect auth html on index.html load. Updates tailscale/corp#14335 Signed-off-by: Sonia Appasamy <sonia@tailscale.com>	1 year ago
Joe Tsai	c2a551469c	taildrop: implement asynchronous file deletion (#9844) ... File resumption requires keeping partial files around for some time, but we must still eventually delete them if never resumed. Thus, we implement asynchronous file deletion, which could spawn a background goroutine to delete the files. We also use the same mechanism for deleting files on Windows, where a file can't be deleted if there is still an open file handle. We can enqueue those with the asynchronous file deleter as well. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
Andrew Lytvynov	33bb2bbfe9	tailcfg,cmd/tailscale: add UrgentSecurityUpdate flag to ClientVersion (#9848) ... This flag is used in clients to surface urgent updates more prominently. Updates #755 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	1 year ago
Irbe Krumina	cac290da87	cmd/k8s-operator: users can configure firewall mode for kube operator proxies (#9769) ... * cmd/k8s-operator: users can configure operator to set firewall mode for proxies Users can now pass PROXY_FIREWALL_MODE={nftables,auto,iptables} to operator to make it create ingress/egress proxies with that firewall mode Also makes sure that if an invalid firewall mode gets configured, the operator will not start provisioning proxy resources, but will instead log an error and write an error event to the related Service. Updates tailscale/tailscale#9310 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
Tyler Smalley	ddb2a6eb8d	cmd/tailscale: promote new serve/funnel CLI to be default (#9833) ... The change is being kept to a minimum to make a revert easy if necessary. After the release, we will go back for a final cleanup. updates #8489 Signed-off-by: Tyler Smalley <tyler@tailscale.com>	1 year ago
Maisem Ali	f53c3be07c	cmd/k8s-operator: use our own container image instead of busybox ... We already have sysctl in the `tailscale/tailscale` image, just use that. Updates #cleanup Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Brad Fitzpatrick	1fc3573446	ipn/{conffile,ipnlocal}: start booting tailscaled from a config file w/ auth key ... Updates #1412 Change-Id: Icd880035a31df59797b8379f4af19da5c4c453e2 Co-authored-by: Maisem Ali <maisem@tailscale.com> Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Brad Fitzpatrick	6ca8650c7b	tstest/tstest: add t.Parallel that can be disabled by TS_SERIAL_TESTS=true ... Updates #9841 Change-Id: I1b8f4d6e34ac8540e3b0455a7c79bd400e2721b7 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Brad Fitzpatrick	4dec0c6eb9	tstest, tstest/integration, github/workflows: shard integration tests ... Over four jobs for now. Updates #cleanup Change-Id: Ic2b1a739a454916893945a3f9efc480d6fcbd70b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Maisem Ali	e6ab7d3c14	cmd/testwrapper: parse args better ... Previously we were just smushing together args and not trying to parse the values at all. This resulted in the args to testwrapper being limited and confusing. This makes it so that testwrapper parses flags in the exact format as `go test` command and passes them down in the provided order. It uses tesing.Init to register flags that `go test` understands, however those are not the only flags understood by `go test` (such as `-exec`) so we register these separately. Updates tailscale/corp#14975 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Rhea Ghosh	9d3c6bf52e	ipn/ipnlocal/peerapi: refactoring taildrop to just one endpoint (#9832) ... Updates #14772 Signed-off-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Maisem Ali	4899c2c1f4	cmd/containerboot: revert to using tailscale up ... This partially reverts commits a61a9ab087 and 7538f38671 and fully reverts 4823a7e591. The goal of that commit was to reapply known config whenever the container restarts. However, that already happens when TS_AUTH_ONCE was false (the default back then). So we only had to selectively reapply the config if TS_AUTH_ONCE is true, this does exactly that. This is a little sad that we have to revert to `tailscale up`, but it fixes the backwards incompatibility problem. Updates tailscale/tailscale#9539 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Andrew Lytvynov	b949e208bb	ipn/ipnlocal: fix AllowsUpdate disable after enable (#9827) ... The old code would always retain value `true` if it was set once, even if you then change `prefs.AutoUpdate.Apply` to `false`. Instead of using the previous value, use the default (envknob) value to OR with. Updates #755 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	1 year ago
Brad Fitzpatrick	18bd98d35b	cmd/tailscaled,*: add start of configuration file support ... Updates #1412 Co-authored-by: Maisem Ali <maisem@tailscale.com> Change-Id: I38d559c1784d09fc804f521986c9b4b548718f7d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Rhea Ghosh	71271e41d6	ipn/{ipnlocal/peerapi, localapi} initial taildrop resume api plumbing (#9798) ... This change: * adds a partial files peerAPI endpoint to get a list of partial files * adds a helper function to extract the basename of a file * updates the peer put peerAPI endpoint * updates the file put localapi endpoint to allow resume functionality Updates #14772 Signed-off-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Brad Fitzpatrick	95faefd1f6	net/dnsfallback: disable recursive resolver for now ... It seems to be implicated in a CPU consumption bug that's not yet understood. Disable it until we understand. Updates tailscale/corp#15261 Change-Id: Ia6d0c310da6464dda79a70fc3c18be0782812d3f Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Andrew Lytvynov	8a5b02133d	clientupdate: return ErrUnsupported for macSys clients (#9793) ... The Sparkle-based update is not quite working yet. Make `NewUpdater` return `ErrUnsupported` for it to avoid the proliferation of exceptions up the stack. Updates #755 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	1 year ago
Flakes Updater	51078b6486	go.mod.sri: update SRI hash for go.mod changes ... Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>	1 year ago
Brad Fitzpatrick	7fd6cc3caa	go.mod: bump alexbrainman/sspi ... For https://github.com/alexbrainman/sspi/pull/13 Fixes #9131 (hopefully) Change-Id: I27bb00bbf5e03850f65f18c45f15c4441cc54b23 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Sonia Appasamy	feabb34ea0	ipn/localapi: add debug-web-client endpoint ... Debug endpoint for the web client's auth flow to talk back to the control server. Restricted behind a feature flag on control. We will either be removing this debug endpoint, or renaming it before launching the web client updates. Updates tailscale/corp#14335 Signed-off-by: Sonia Appasamy <sonia@tailscale.com>	1 year ago
Kristoffer Dalby	e06f2f1873	ipn/ipnlocal: change serial number policy to be PreferenceOption ... This commit changes the PostureChecking syspolicy key to be a PreferenceOption(user-defined, always, never) instead of Bool. This aligns better with the defaults implementation on macOS allowing CLI arguments to be read when user-defined or no defaults is set. Updates #tailscale/tailscale/5902 Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>	1 year ago
Denton Gentry	97ee3891f1	net/dns: use direct when NetworkManager has no systemd-resolved ... Endeavour OS, at least, uses NetworkManager 1.44.2 and does not use systemd-resolved behind the scenes at all. If we find ourselves in that situation, return "direct" not "systemd-resolved" Fixes https://github.com/tailscale/tailscale/issues/9687 Signed-off-by: Denton Gentry <dgentry@tailscale.com>	1 year ago
Brad Fitzpatrick	56ebcd1ed4	.github/workflows: break up race builder a bit more ... Move the compilation of everything to its own job too, separate from test execution. Updates #7894 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Brad Fitzpatrick	e89927de2b	tsnet: fix data race in TestFallbackTCPHandler ... Fixes #9805 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Brad Fitzpatrick	18e2936d25	github/workflows: move race tests to their own job ... They're slow. Make them their own job that can run in parallel. Also, only run them in race mode. No need to run them on 386 or non-race amd64. Updates #7894 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Brad Fitzpatrick	c363b9055d	tstest/integration: add tests for tun mode (requiring root) ... Updates #7894 Change-Id: Iff0b07b21ae28c712dd665b12918fa28d6f601d0 Co-authored-by: Maisem Ali <maisem@tailscale.com> Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Brad Fitzpatrick	a6270826a3	wgengine/magicsock: fix data race regression in disco ping callbacks ... Regression from c15997511d. The callback could be run multiple times from different endpoints. Fixes #9801 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Maisem Ali	5297bd2cff	cmd/tailscaled,net/tstun: fix data race on start-up in TUN mode ... Fixes #7894 Change-Id: Ice3f8019405714dd69d02bc07694f3872bb598b8 Co-authored-by: Brad Fitzpatrick <bradfitz@tailscale.com> Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Brad Fitzpatrick	5c555cdcbb	tstest/integration: set race flag when cross compiling, conditionally fail on race ... Misc cleanups and things noticed while working on #7894 and pulled out of a separate change. Submitting them on their own to not distract from later changes. Updates #7894 Change-Id: Ie9abc8b88f121c559aeeb7e74db2aa532eb84d3d Co-authored-by: Maisem Ali <maisem@tailscale.com> Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Rhea Ghosh	8c7169105e	ipn/{ipnlocal/peerapi, localapi}: cleaning up http statuses for consistency and readability (#9796) ... Updates #cleanup Signed-off-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Joe Tsai	9cb6c5bb78	util/httphdr: add new package for parsing HTTP headers (#9797) ... This adds support for parsing Range and Content-Range headers according to RFC 7230. The package could be extended in the future to handle other headers. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
Andrew Lytvynov	af5a586463	ipn/ipnlocal: include AutoUpdate prefs in HostInfo.AllowsUpdate (#9792) ... Updates #9260 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	1 year ago
Claire Wang	754fb9a8a8	tailcfg: add tailnet field to register request (#9675) ... Updates tailscale/corp#10967 Signed-off-by: Claire Wang <claire@tailscale.com>	1 year ago
Joe Tsai	8f948638c5	taildrop: minor cleanups and fixes (#9786) ... Perform the same m==nil check in Manager.{PartialFiles,HashPartialFile} as we do in the other methods. Fix HashPartialFile is properly handle a length of -1. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
Joe Tsai	b1867eb23f	taildrop: add logic for resuming partial files (#9785) ... We add the following API: * type FileChecksums * type Checksum * func Manager.PartialFiles * func Manager.HashPartialFile * func ResumeReader The Manager methods provide the ability to query for partial files and retrieve a list of checksums for a given partial file. The ResumeReader function is a helper that wraps an io.Reader to discard content that is identical locally and remotely. The FileChecksums type represents the checksums of a file and is safe to JSON marshal and send over the wire. Updates tailscale/corp#14772 Signed-off-by: Joe Tsai <joetsai@digital-static.net> Co-authored-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Maisem Ali	24f322bc43	ipn/ipnlocal: do unexpired cert renewals in the background ... We were eagerly doing a synchronous renewal of the cert while trying to serve traffic. Instead of that, just do the cert renewal in the background and continue serving traffic as long as the cert is still valid. This regressed in c1ecae13ab when we introduced ARI support and were trying to make the experience of `tailscale cert` better. However, that ended up regressing the experience for tsnet as it would not always doing the renewal synchronously. Fixes #9783 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Joe Tsai	1a78f240b5	tstime: add DefaultClock (#9691) ... In almost every single use of Clock, there is a default behavior we want to use when the interface is nil, which is to use the the standard time package. The Clock interface exists only for testing, and so tests that care about mocking time can adequately plumb the the Clock down the stack and through various data structures. However, the problem with Clock is that there are many situations where we really don't care about mocking time (e.g., measuring execution time for a log message), where making sure that Clock is non-nil is not worth the burden. In fact, in a recent refactoring, the biggest pain point was dealing with nil-interface panics when calling tstime.Clock methods where mocking time wasn't even needed for the relevant tests. This required wasted time carefully reviewing the code to make sure that tstime.Clock was always populated, and even then we're not statically guaranteed to avoid a nil panic. Ideally, what we want are default methods on Go interfaces, but such a language construct does not exist. However, we can emulate that behavior by declaring a concrete type that embeds the interface. If the underlying interface value is nil, it provides some default behavior (i.e., use StdClock). This provides us a nice balance of two goals: * We can plumb tstime.DefaultClock in all relevant places for use with mocking time in the tests that care. * For all other logic that don't care about, we never need to worry about whether tstime.DefaultClock is nil or not. This is especially relevant in production code where we don't want to panic. Longer-term, we may want to perform a large-scale change where we rename Clock to ClockInterface and rename DefaultClock to just Clock. Updates #cleanup Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 year ago
Naman Sood	7783a960e8	client/web: add metric for exit node advertising (#9781) ... * client/web: add metric for exit node advertising Updates tailscale/corp#15215 Signed-off-by: Naman Sood <mail@nsood.in> * client/web: use http request's context for IncrementCounter Updates #cleanup Signed-off-by: Naman Sood <mail@nsood.in> --------- Signed-off-by: Naman Sood <mail@nsood.in>	1 year ago
James Tucker	ce0830837d	appctype: introduce a configuration schema for app connectors ... Updates tailscale/corp#15043 Signed-off-by: James Tucker <james@tailscale.com>	1 year ago