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Author	SHA1	Message	Date
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>	7 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>	7 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>	7 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>	7 months ago
James Tucker	e0f97738ee	localapi: reduce garbage production in bus watcher ... Updates #optimization Signed-off-by: James Tucker <james@tailscale.com>	7 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>	7 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>	7 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>	7 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>	7 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>	7 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>	7 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	7 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>	7 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>	7 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>	7 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
Will Norris	4d747c1833	api.md: document device expiration endpoint ... This was originally built for testing node expiration flows, but is also useful for customers to force device re-auth without actually deleting the device from the tailnet. Updates tailscale/corp#18408 Signed-off-by: Will Norris <will@tailscale.com>	8 months ago
Mario Minardi	e0886ad167	ipn/ipnlocal, tailcfg: add disable-web-client node attribute (#11418) ... Add a disable-web-client node attribute and add handling for disabling the web client when this node attribute is set. Updates https://github.com/tailscale/tailscale/issues/10261 Signed-off-by: Mario Minardi <mario@tailscale.com>	8 months ago
Marwan Sulaiman	da7c3d1753	envknob: ensure f is not nil before using it ... This PR fixes a panic that I saw in the mac app where parsing the env file fails but we don't get to see the error due to the panic of using f.Name() Fixes #11425 Signed-off-by: Marwan Sulaiman <marwan@tailscale.com>	8 months ago
Andrea Gottardo	08ebac9acb	version,cli,safesocket: detect non-sandboxed macOS GUI (#11369) ... Updates ENG-2848 We can safely disable the App Sandbox for our macsys GUI, allowing us to use `tailscale ssh` and do a few other things that we've wanted to do for a while. This PR: - allows Tailscale SSH to be used from the macsys GUI binary when called from a CLI - tweaks the detection of client variants in prop.go, with new functions `IsMacSys()`, `IsMacSysApp()` and `IsMacAppSandboxEnabled()` Signed-off-by: Andrea Gottardo <andrea@gottardo.me>	8 months ago
Irbe Krumina	ea55f96310	cmd/tailscale/cli: fix configuring partially empty kubeconfig (#11417) ... When a user deletes the last cluster/user/context from their kubeconfig via 'kubectl delete-[cluster|user|context] command, kubectx sets the relevant field in kubeconfig to 'null'. This was breaking our conversion logic that was assuming that the field is either non-existant or is an array. Updates tailscale/corp#18320 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Anton Tolchanov	cf8948da5f	net/routetable: increase route limit used by the test ... I was running all tests while preparing a recent stable release, and this was failing because my computer is connected to a fairly large tailnet. ``` --- FAIL: TestGetRouteTable (0.01s) routetable_linux_test.go:32: expected at least one default route; ... ``` ``` $ ip route show table 52 | wc -l 1051 ``` Updates #cleanup Signed-off-by: Anton Tolchanov <anton@tailscale.com>	8 months ago
Andrew Lytvynov	decd9893e4	ipn/ipnlocal: validate domain of PopBrowserURL on default control URL (#11394) ... If the client uses the default Tailscale control URL, validate that all PopBrowserURLs are under tailscale.com or *.tailscale.com. This reduces the risk of a compromised control plane opening phishing pages for example. The client trusts control for many other things, but this is one easy way to reduce that trust a bit. Fixes #11393 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	8 months ago
Andrew Lytvynov	48eef9e6eb	clientupdate: do not allow msiexec to reboot the OS (#11409) ... According to https://learn.microsoft.com/en-us/windows/win32/msi/standard-installer-command-line-options#promptrestart, `/promptrestart` is ignored with `/quiet` is set, so msiexec.exe can sometimes silently trigger a reboot. The best we can do to reduce unexpected disruption is to just prevent restarts, until the user chooses to do it. Restarts aren't normally needed for Tailscale updates, but there seem to be some situations where it's triggered. Updates #18254 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>	8 months ago
Anton Tolchanov	da3cf12194	VERSION.txt: this is v1.63.0 ... Signed-off-by: Anton Tolchanov <anton@tailscale.com>	8 months ago
Anton Tolchanov	f12d2557f9	prober: add a DERP bandwidth probe ... Updates tailscale/corp#17912 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	8 months ago
Anton Tolchanov	5018683d58	prober: remove unused derp prober latency measurements ... Signed-off-by: Anton Tolchanov <anton@tailscale.com>	8 months ago
Anton Tolchanov	205a10b51a	prober: export probe counters and cumulative latency ... Updates #cleanup Signed-off-by: Anton Tolchanov <anton@tailscale.com>	8 months ago
Andrew Dunham	7429e8912a	wgengine/netstack: fix bug with duplicate SYN packets in client limit ... This fixes a bug that was introduced in #11258 where the handling of the per-client limit didn't properly account for the fact that the gVisor TCP forwarder will return 'true' to indicate that it's handled a duplicate SYN packet, but not launch the handler goroutine. In such a case, we neither decremented our per-client limit in the wrapper function, nor did we do so in the handler function, leading to our per-client limit table slowly filling up without bound. Fix this by doing the same duplicate-tracking logic that the TCP forwarder does so we can detect such cases and appropriately decrement our in-flight counter. Updates tailscale/corp#12184 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ib6011a71d382a10d68c0802593f34b8153d06892	8 months ago
Brad Fitzpatrick	ad33e47270	ipn/{ipnlocal,localapi}: add debug verb to force spam IPN bus NetMap ... To force the problem in its worst case scenario before fixing it. Updates tailscale/corp#17859 Change-Id: I2c8b8e5f15c7801e1ab093feeafac52ec175a763 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	8 months ago
Flakes Updater	04fceae898	go.mod.sri: update SRI hash for go.mod changes ... Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>	8 months ago
James Tucker	055117ad45	util/linuxfw: fix support for containers without IPv6 iptables filters (#11381) ... There are container environments such as GitHub codespaces that have partial IPv6 support - routing support is enabled at the kernel level, but lacking IPv6 filter support in the iptables module. In the specific example of the codespaces environment, this also has pre-existing legacy iptables rules in the IPv4 tables, as such the nascent firewall mode detection will always pick iptables. We would previously fault trying to install rules to the filter table, this catches that condition earlier, and disables IPv6 support under these conditions. Updates #5621 Updates #11344 Updates #11354 Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
James Tucker	43fba6e04d	util/linuxfw: correct logical error in NAT table check (#11380) ... Updates #11344 Updates #11354 Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
panchajanya	50a570a83f	Code Improvements (#11311) ... build_docker, update-flake: cleanup and apply shellcheck fixes Was editing this file to match my needs while shellcheck warnings bugged me out. REV isn't getting used anywhere. Better remove it. Updates #cleanup Signed-off-by: Panchajanya1999 <kernel@panchajanya.dev> Signed-off-by: James Tucker <james@tailscale.com>	8 months ago
Percy Wegmann	e496451928	ipn,cmd/tailscale,client/tailscale: add support for renaming TailFS shares ... - Updates API to support renaming TailFS shares. - Adds a CLI rename subcommand for renaming a share. - Renames the CLI subcommand 'add' to 'set' to make it clear that this is an add or update. - Adds a unit test for TailFS in ipnlocal Updates tailscale/corp#16827 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Percy Wegmann	6c160e6321	ipn,tailfs: tie TailFS share configuration to user profile ... Previously, the configuration of which folders to share persisted across profile changes. Now, it is tied to the user's profile. Updates tailscale/corp#16827 Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Percy Wegmann	16ae0f65c0	cmd/viewer: import views when generating byteSliceField ... Updates #cleanup Signed-off-by: Percy Wegmann <percy@tailscale.com>	8 months ago
Andrew Dunham	f072d017bd	wgengine/magicsock: don't change DERP home when not connected to control ... This pretty much always results in an outage because peers won't discover our new home region and thus won't be able to establish connectivity. Updates tailscale/corp#18095 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ic0d09133f198b528dd40c6383b16d7663d9d37a7	8 months ago
Sonia Appasamy	54e52532eb	version/mkversion: enforce synology versions within int32 range ... Synology requires version numbers are within int32 range. This change updates the version logic to keep things closer within the range, and errors on building when the range is exceeded. Updates #cleanup Signed-off-by: Sonia Appasamy <sonia@tailscale.com>	8 months ago
Claire Wang	74e33b9c50	tailcfg: bump CapabilityVersion (#11368) ... bump version for adding NodeAttrSuggestExitNode remove extra s from NodeAttrSuggestExitNode Updates tailscale/corp#17516 Signed-off-by: Claire Wang <claire@tailscale.com>	8 months ago