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Author	SHA1	Message	Date
Brad Fitzpatrick	354cac74a9	tsweb/varz: add charset=utf-8 to varz handler ... Some of our labels contain UTF-8 and get mojibaked in the browser right now. Updates tailscale/corp#18687 Change-Id: I6069cffd6cc8813df415f06bb308bc2fc3ab65c4 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
James Tucker	9401b09028	control/controlclient: move client watchdog to cover initial request ... The initial control client request can get stuck in the event that a connection is established but then lost part way through, without any ICMP or RST. Ensure that the control client will be restarted by timing out that initial request as well. Fixes #11542 Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
Irbe Krumina	9b5176c4d9	cmd/k8s-operator: fix failing tests (#11541) ... Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Irbe Krumina	9e2f58f846	cmd/{k8s-nameserver,k8s-operator},k8s-operator: add a kube nameserver, make operator deploy it (#11017) ... * cmd/k8s-nameserver,k8s-operator: add a nameserver that can resolve ts.net DNS names in cluster. Adds a simple nameserver that can respond to A record queries for ts.net DNS names. It can respond to queries from in-memory records, populated from a ConfigMap mounted at /config. It dynamically updates its records as the ConfigMap contents changes. It will respond with NXDOMAIN to queries for any other record types (AAAA to be implemented in the future). It can respond to queries over UDP or TCP. It runs a miekg/dns DNS server with a single registered handler for ts.net domain names. Queries for other domain names will be refused. The intended use of this is: 1) to allow non-tailnet cluster workloads to talk to HTTPS tailnet services exposed via Tailscale operator egress over HTTPS 2) to allow non-tailnet cluster workloads to talk to workloads in the same cluster that have been exposed to tailnet over their MagicDNS names but on their cluster IPs. Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com> * cmd/k8s-operator/deploy/crds,k8s-operator: add DNSConfig CustomResource Definition DNSConfig CRD can be used to configure the operator to deploy kube nameserver (./cmd/k8s-nameserver) to cluster. Signed-off-by: Irbe Krumina <irbe@tailscale.com> * cmd/k8s-operator,k8s-operator: optionally reconcile nameserver resources Adds a new reconciler that reconciles DNSConfig resources. If a DNSConfig is deployed to cluster, the reconciler creates kube nameserver resources. This reconciler is only responsible for creating nameserver resources and not for populating nameserver's records. Signed-off-by: Irbe Krumina <irbe@tailscale.com> * cmd/{k8s-operator,k8s-nameserver}: generate DNSConfig CRD for charts, append to static manifests Signed-off-by: Irbe Krumina <irbe@tailscale.com> --------- Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Patrick O'Doherty	b60c4664c7	safeweb: return http.Handler from safeweb.RedirectHTTP (#11538) ... Updates #cleanup Change the return type of the safeweb.RedirectHTTP method to a handler that can be passed directly to http.Serve without any http.HandlerFunc wrapping necessary. Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>	8 months ago
Brad Fitzpatrick	3e6306a782	derp/derphttp: make CONNECT Host match request-target's authority-form ... This CONNECT client doesn't match what Go's net/http.Transport does (making the two values match). This makes it match. This is all pretty unspecified but most clients & doc examples show these matching. And some proxy implementations (such as Zscaler) care. Updates tailscale/corp#18716 Change-Id: I135c5facbbcec9276faa772facbde1bb0feb2d26 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Patrick O'Doherty	8f27520633	safeweb: init (#11467) ... Updates https://github.com/tailscale/corp/issues/8027 Safeweb is a wrapper around http.Server & tsnet that encodes some application security defaults. Safeweb asks developers to split their HTTP routes into two http.ServeMuxs for serving browser and API-facing endpoints repsectively. It then wraps these HTTP routes with the context-appropriate security controls. safeweb.Server#Serve will serve the HTTP muxes over the provided listener. Caller are responsible for creating and tearing down their application's listeners. Applications being served over HTTPS that wish to implement HTTP redirects can use the Server#HTTPRedirect handler to do so. Signed-off-by: Patrick O'Doherty <patrick@tailscale.com>	8 months ago
Andrea Gottardo	008676f76e	cmd/serve: update warning for sandboxed macOS builds (#11530)	8 months ago
Percy Wegmann	66e4d843c1	ipn/localapi: add support for multipart POST to file-put ... This allows sending multiple files via Taildrop in one request. Progress is tracked via ipn.Notify. Updates tailscale/corp#18202 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Percy Wegmann	bed818a978	ipn/localapi: add support for multipart POST to file-put ... This allows sending multiple files via Taildrop in one request. Progress is tracked via ipn.Notify. Updates tailscale/corp#18202 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Maisem Ali	0d8cd1645a	go.mod: bump github.com/gaissmai/bart ... To pick up https://github.com/gaissmai/bart/pull/17. Updates #deps Signed-off-by: Maisem Ali <maisem@tailscale.com>	8 months ago
Percy Wegmann	eb42a16da9	ipn/ipnlocal: report Taildrive access message on failed responses ... For example, if we get a 404 when downloading a file, we'll report access. Also, to reduce verbosty of logs, this elides 0 length files. Updates tailscale/corp#17818 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Andrew Lytvynov	5d41259a63	cmd/tailscale/cli: remove Beta tag from tailscale update (#11529) ... Updates #cleanup Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	8 months ago
Charlotte Brandhorst-Satzkorn	acb611f034	ipn/localipn: introduce logs for tailfs (#11496) ... This change introduces some basic logging into the access and share pathways for tailfs. Updates tailscale/corp#17818 Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>	8 months ago
Irbe Krumina	4cbef20569	cmd/k8s-operator: redact auth key from debug logs (#11523) ... Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Brad Fitzpatrick	55baf9474f	metrics, tsweb/varz: add multi-label map metrics ... Updates tailscale/corp#18640 Change-Id: Ia9ae25956038e9d3266ea165537ac6f02485b74c Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Flakes Updater	90a4d6ce69	go.mod.sri: update SRI hash for go.mod changes ... Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>	8 months ago
Brad Fitzpatrick	6d90966c1f	logtail: move a scratch buffer to Logger ... Rather than pass around a scratch buffer, put it on the Logger. This is a baby step towards removing the background uploading goroutine and starting it as needed. Updates tailscale/corp#18514 (insofar as it led me to look at this code) Change-Id: I6fd94581c28bde40fdb9fca788eb9590bcedae1b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Irbe Krumina	06e22a96b1	.github/workflows: fix path filter for 'Kubernetes manifests' test job (#11520) ... Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Chris Milson-Tokunaga	b6dfd7443a	Change type of installCRDs (#11478) ... Including the double quotes (`"`) around the value made it appear like the helm chart should expect a string value for `installCRDs`. Signed-off-by: Chris Milson-Tokunaga <chris.w.milson@gmail.com>	8 months ago
Percy Wegmann	8b8b315258	net/tstun: use gaissmai/bart instead of tempfork/device ... This implementation uses less memory than tempfork/device, which helps avoid OOM conditions in the iOS VPN extension when switching to a Tailnet with ExitNode routing enabled. Updates tailscale/corp#18514 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Andrew Lytvynov	1e7050e73a	go.mod: bump github.com/docker/docker (#11515) ... There's a vulnerability https://pkg.go.dev/vuln/GO-2024-2659 that govulncheck flags, even though it's only reachable from tests and cmd/sync-containers and cannot be exploited there. Updates #cleanup Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	8 months ago
Brad Fitzpatrick	a36cfb4d3d	tailcfg, ipn/ipnlocal, wgengine/magicsock: add only-tcp-443 node attr ... Updates tailscale/corp#17879 Change-Id: I0dc305d147b76c409cf729b599a94fa723aef0e0 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Brad Fitzpatrick	7b34154df2	all: deprecate Node.Capabilities (more), remove PeerChange.Capabilities [capver 89] ... First we had Capabilities []string. Then https://tailscale.com/blog/acl-grants (#4217) brought CapMap, a superset of Capabilities. Except we never really finished the transition inside the codebase to go all-in on CapMap. This does so. Notably, this coverts Capabilities on the wire early to CapMap internally so the code can only deal in CapMap, even against an old control server. In the process, this removes PeerChange.Capabilities support, which no known control plane sent anyway. They can and should use PeerChange.CapMap instead. Updates #11508 Updates #4217 Change-Id: I872074e226b873f9a578d9603897b831d50b25d9 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Brad Fitzpatrick	4992aca6ec	tsweb/varz: flesh out munging of expvar keys into valid Prometheus metrics ... From a problem we hit with how badger registers expvars; it broke trunkd's exported metrics. Updates tailscale/corp#1297 Change-Id: I42e1552e25f734c6f521b6e993d57a82849464b2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Brad Fitzpatrick	b104688e04	ipn/ipnlocal, types/netmap: replace hasCapability with set lookup on NetworkMap ... When node attributes were super rare, the O(n) slice scans looking for node attributes was more acceptable. But now more code and more users are using increasingly more node attributes. Time to make it a map. Noticed while working on tailscale/corp#17879 Updates #cleanup Change-Id: Ic17c80341f418421002fbceb47490729048756d2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Percy Wegmann	8c88853db6	ipn/ipnlocal: add c2n /debug/pprof/allocs endpoint ... This behaves the same as typical debug/pprof/allocs. Updates tailscale/corp#18514 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Brad Fitzpatrick	f45594d2c9	control/controlclient: free memory on iOS before full netmap work ... Updates tailscale/corp#18514 Change-Id: I8d0330334b030ed8692b25549a0ee887ac6d7188 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
James Tucker	e0f97738ee	localapi: reduce garbage production in bus watcher ... Updates #optimization Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
James Tucker	3f7313dbdb	util/linuxfw,wgengine/router: enable IPv6 configuration when netfilter is disabled ... Updates #11434 Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
Brad Fitzpatrick	8444937c89	control/controlclient: fix panic regression from earlier load balancer hint header ... In the recent 20e9f3369 we made HealthChangeRequest machine requests include a NodeKey, as it was the oddball machine request that didn't include one. Unfortunately, that code was sometimes being called (at least in some of our integration tests) without a node key due to its registration with health.RegisterWatcher(direct.ReportHealthChange). Fortunately tests in corp caught this before we cut a release. It's possible this only affects this particular integration test's environment, but still worth fixing. Updates tailscale/corp#1297 Change-Id: I84046779955105763dc1be5121c69fec3c138672 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Joe Tsai	85febda86d	all: use zstdframe where sensible (#11491) ... Use the zstdframe package where sensible instead of plumbing around our own zstd.Encoder just for stateless operations. This causes logtail to have a dependency on zstd, but that's arguably okay since zstd support is implicit to the protocol between a client and the logging service. Also, virtually every caller to logger.NewLogger was manually setting up a zstd.Encoder anyways, meaning that zstd was functionally always a dependency. Updates #cleanup Updates tailscale/corp#18514 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	8 months ago
Joe Tsai	d4bfe34ba7	util/zstdframe: add package for stateless zstd compression (#11481) ... The Go zstd package is not friendly for stateless zstd compression. Passing around multiple zstd.Encoder just for stateless compression is a waste of memory since the memory is never freed and seldom used if no compression operations are happening. For performance, we pool the relevant Encoder/Decoder with the specific options set. Functionally, this package is a wrapper over the Go zstd package with a more ergonomic API for stateless operations. This package can be used to cleanup various pre-existing zstd.Encoder pools or one-off handlers spread throughout our codebases. Performance: BenchmarkEncode/Best 1690 610926 ns/op 25.78 MB/s 1 B/op 0 allocs/op zstd_test.go:137: memory: 50.336 MiB zstd_test.go:138: ratio: 3.269x BenchmarkEncode/Better 10000 100939 ns/op 156.04 MB/s 0 B/op 0 allocs/op zstd_test.go:137: memory: 20.399 MiB zstd_test.go:138: ratio: 3.131x BenchmarkEncode/Default 15775 74976 ns/op 210.08 MB/s 105 B/op 0 allocs/op zstd_test.go:137: memory: 1.586 MiB zstd_test.go:138: ratio: 3.064x BenchmarkEncode/Fastest 23222 53977 ns/op 291.81 MB/s 26 B/op 0 allocs/op zstd_test.go:137: memory: 599.458 KiB zstd_test.go:138: ratio: 2.898x BenchmarkEncode/FastestLowMemory 23361 50789 ns/op 310.13 MB/s 15 B/op 0 allocs/op zstd_test.go:137: memory: 334.458 KiB zstd_test.go:138: ratio: 2.898x BenchmarkEncode/FastestNoChecksum 23086 50253 ns/op 313.44 MB/s 26 B/op 0 allocs/op zstd_test.go:137: memory: 599.458 KiB zstd_test.go:138: ratio: 2.900x BenchmarkDecode/Checksum 70794 17082 ns/op 300.96 MB/s 4 B/op 0 allocs/op zstd_test.go:163: memory: 316.438 KiB BenchmarkDecode/NoChecksum 74935 15990 ns/op 321.51 MB/s 4 B/op 0 allocs/op zstd_test.go:163: memory: 316.438 KiB BenchmarkDecode/LowMemory 71043 16739 ns/op 307.13 MB/s 0 B/op 0 allocs/op zstd_test.go:163: memory: 79.347 KiB We can see that the options are taking effect where compression ratio improves with higher levels and compression speed diminishes. We can also see that LowMemory takes effect where the pooled coder object references less memory than other cases. We can see that the pooling is taking effect as there are 0 amortized allocations. Additional performance: BenchmarkEncodeParallel/zstd-24 1857 619264 ns/op 1796 B/op 49 allocs/op BenchmarkEncodeParallel/zstdframe-24 1954 532023 ns/op 4293 B/op 49 allocs/op BenchmarkDecodeParallel/zstd-24 5288 197281 ns/op 2516 B/op 49 allocs/op BenchmarkDecodeParallel/zstdframe-24 6441 196254 ns/op 2513 B/op 49 allocs/op In concurrent usage, handling the pooling in this package has a marginal benefit over the zstd package, which relies on a Go channel as the pooling mechanism. In particular, coders can be freed by the GC when not in use. Coders can be shared throughout the program if they use this package instead of multiple independent pools doing the same thing. The allocations are unrelated to pooling as they're caused by the spawning of goroutines. Updates #cleanup Updates tailscale/corp#18514 Updates tailscale/corp#17653 Updates tailscale/corp#18005 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	8 months ago
Brad Fitzpatrick	6a860cfb35	ipn/ipnlocal: add c2n pprof option to force a GC ... Like net/http/pprof has. Updates tailscale/corp#18514 Change-Id: I264adb6dcf5732d19707783b29b7273b4ca69cf4 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Brad Fitzpatrick	5d1c72f76b	wgengine/magicsock: don't use endpoint debug ringbuffer on mobile. ... Save some memory. Updates tailscale/corp#18514 Change-Id: Ibcaf3c6d8e5cc275c81f04141d0f176e2249509b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Andrew Dunham	512fc0b502	util/reload: add new package to handle periodic value loading ... This can be used to reload a value periodically, whether from disk or another source, while handling jitter and graceful shutdown. Updates tailscale/corp#1297 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Iee2b4385c9abae59805f642a7308837877cb5b3f	8 months ago
Adrian Dewhurst	2f7e7be2ea	control/controlclient: do not alias peer CapMap ... Updates #cleanup Change-Id: I10fd5e04310cdd7894a3caa3045b86eb0a06b6a0 Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>	8 months ago
Percy Wegmann	067ed0bf6f	ipnlocal: ensure TailFS share notifications are non-nil ... This allows the UI to distinguish between 'no shares' versus 'not being notified about shares'. Updates ENG-2843 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Brad Fitzpatrick	20e9f3369d	control/controlclient: send load balancing hint HTTP request header ... Updates tailscale/corp#1297 Change-Id: I0b102081e81dfc1261f4b05521ab248a2e4a1298 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Percy Wegmann	15c58cb77c	tailfs: include whitespace in test share and filenames ... Since TailFS allows spaces in folder and file names, test with spaces. Updates tailscale/corp#16827 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
James Tucker	e37eded256	tool/gocross: add android autoflags (#11465) ... Updates tailscale/corp#18202 Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
Claire Wang	221de01745	control/controlclient: fix sending peer capmap changes (#11457) ... Instead of just checking if a peer capmap is nil, compare the previous state peer capmap with the new peer capmap. Updates tailscale/corp#17516 Signed-off-by: Claire Wang <claire@tailscale.com>	8 months ago
Andrew Dunham	6da1dc84de	wgengine: fix logger data race in tests ... Observed in: https://github.com/tailscale/tailscale/actions/runs/8350904950/job/22858266932?pr=11463 Updates #11226 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I9b57db4b34b6ad91d240cd9fa7e344fc0376d52d	8 months ago
Andrew Dunham	e382e4cee6	syncs: add Swap method ... To mimic sync.Map.Swap, sync/atomic.Value.Swap, etc. Updates tailscale/corp#1297 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: If7627da1bce8b552873b21d7e5ebb98904e9a650	8 months ago
Andrea Gottardo	6288c9b41e	version/prop: remove IsMacAppSandboxEnabled (#11461) ... Fixes tailscale/corp#18441 For a few days, IsMacAppStore() has been returning `false` on App Store builds (IPN-macOS target in Xcode). I regressed this in #11369 by introducing logic to detect the sandbox by checking for the APP_SANDBOX_CONTAINER_ID environment variable. I thought that was a more robust approach instead of checking the name of the executable. However, it appears that on recent macOS versions this environment variable is no longer getting set, so we should go back to the previous logic that checks for the executable path, or HOME containing references to macsys. This PR also adds additional checks to the logic by also checking XPC_SERVICE_NAME in addition to HOME where possible. That environment variable is set inside the network extension, either macos or macsys and is good to look at if for any reason HOME is not set.	8 months ago
Mario Minardi	68d9e49a5b	api.md: add missing backtick to GET searchpaths doc (#11459) ... Add missing backtick to GET searchpaths api documentation. Updates #cleanup Signed-off-by: Mario Minardi <mario@tailscale.com>	8 months ago
Will Norris	349799a1ba	api.md: format API docs with prettier ... Mostly inconsequential minor fixes for consistency. A couple of changes to actual JSON examples, but all still very readable, so I think it's fine. Updates #cleanup Signed-off-by: Will Norris <will@tailscale.com>	8 months ago
Irbe Krumina	b0c3e6f6c5	cmd/k8s-operator,ipn/conf.go: fix --accept-routes for proxies (#11453) ... Fix a bug where all proxies got configured with --accept-routes set to true. The bug was introduced in https://github.com/tailscale/tailscale/pull/11238. Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
James Tucker	7fe4cbbaf3	types/views: optimize slices contains under some conditions (#11449) ... In control there are conditions where the leaf functions are not being optimized away (i.e. At is not inlined), resulting in undesirable time spent copying during SliceContains. This optimization is likely irrelevant to simpler code or smaller structures. Updates #optimization Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
Mario Minardi	d2ccfa4edd	cmd/tailscale,ipn/ipnlocal: enable web client over quad 100 by default (#11419) ... Enable the web client over 100.100.100.100 by default. Accepting traffic from [tailnet IP]:5252 still requires setting the `webclient` user pref. Updates https://github.com/tailscale/tailscale/issues/10261 Signed-off-by: Mario Minardi <mario@tailscale.com>	8 months ago