tailscale

Commit Graph

Author	SHA1	Message	Date
Brad Fitzpatrick	2eff9c8277	wgengine/magicsock: avoid ReadBatch/WriteBatch on old Linux kernels Fixes #6807 Change-Id: I161424ef8a7338e1941d5e43d72dc6529993a0e3 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Andrew Dunham	0372e14d79	net/dns: bump DNS-over-TCP size limit to 4k We saw a few cases where we hit this limit; bumping to 4k seems relatively uncontroversial. Change-Id: I218fee3bc0d2fa5fde16eddc36497a73ebd7cbda Signed-off-by: Andrew Dunham <andrew@du.nham.ca>	2 years ago
License Updater	98daf99775	licenses: update tailscale{,d} licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Brad Fitzpatrick	7c77c48bd4	go.toolchain.rev: bump Go For: `dc0ce6324d` and `2cf198bc80` Updates #6792 Updates #6799 Change-Id: I58f022b5fb790e968938f90eb76e9dfdb74041fc Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	243490f932	go.mod: bump x/sys for linux/arm64 cpu SIGILL fix Bump to get `2204b6615f` Updates #5793 Change-Id: I6ab78824047cb2c8d042f3f3bf47368ec6da5a34 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
David Anderson	a1ded4c166	cmd/sync-containers: add a dry-run option. Updates tailscale/corp#8461 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	e5fe205c31	cmd/sync-containers: program to sync tags between container registries. Updates tailscale/corp#8461 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
License Updater	237f030cd9	licenses: update android licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Aaron Klotz	296f53524c	netstat, portlist: update Windows implementation to disambiguate svchost processes We change our invocations of GetExtendedTcpTable to request additional information about the "module" responsible for the port. In addition to pid, this output also includes sufficient metadata to enable Windows to resolve process names and disambiguate svchost processes. We store the OS-specific output in an OSMetadata field in netstat.Entry, which portlist may then use as necessary to actually resolve the process/module name. Signed-off-by: Aaron Klotz <aaron@tailscale.com>	2 years ago
Brad Fitzpatrick	a06217a8bd	cmd/tailscale/cli: hide Windows named pipe default name in flag help It's long & distracting for how low value it is. Fixes #6766 Change-Id: I51364f25c0088d9e63deb9f692ba44031f12251b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	5caf609d7b	go.toolchain.rev: bump Go to 1.19.4 Updates tailscale/go#36 Change-Id: I0b741c18ef0286b511a79ec39b1e91464c7ce77b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	0f604923d3	ipn/ipnlocal: fix StatusWithoutPeers not populating parts of Status Fixes #4311 Change-Id: Iaae0615148fa7154f4ef8f66b455e3a6c2fa9df3 Co-authored-by: Claire Wang <claire@tailscale.com> Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Aaron Klotz	3c452b9880	util/winutil: fix erroneous condition in implementation of getRegIntegerInternal We only want to log when err != registry.ErrNotExist. The condition was backward. Signed-off-by: Aaron Klotz <aaron@tailscale.com>	2 years ago
License Updater	14d07b7b20	licenses: update tailscale{,d} licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Jordan Whited	914d115f65	go.mod: bump tailscale/wireguard-go for big-endian fix (#6785 ) Signed-off-by: Jordan Whited <jordan@tailscale.com>	2 years ago
David Anderson	af3127711a	cmd/containerboot: allow disabling secret storage in k8s. In some configurations, user explicitly do not want to store tailscale state in k8s secrets, because doing that leads to some annoying permission issues with sidecar containers. With this change, TS_KUBE_SECRET="" and TS_STATE_DIR=/foo will force storage to file when running in kubernetes. Fixes #6704. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
License Updater	6d5527e4b3	licenses: update win/apple licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Joe Tsai	d9df023e6f	net/connstats: enforce maximum number of connections (#6760 ) The Tailscale logging service has a hard limit on the maximum log message size that can be accepted. We want to ensure that netlog messages never exceed this limit otherwise a client cannot transmit logs. Move the goroutine for periodically dumping netlog messages from wgengine/netlog to net/connstats. This allows net/connstats to manage when it dumps messages, either based on time or by size. Updates tailscale/corp#8427 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Brad Fitzpatrick	651e0d8aad	ssh/tailssh: add envknob for default PATH As backup plan, just in case the earlier fix's logic wasn't correct and we want to experiment in the field or have users have a quicker fix. Updates #5285 Change-Id: I7447466374d11f8f609de6dfbc4d9a944770826d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
License Updater	fc0fe99edf	licenses: update tailscale{,d} licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Brad Fitzpatrick	c02ccf6424	go.mod: bump dhcp dep to remove another endian package from our tree To pull in insomniacslk/dhcp#484 to pull in u-root/uio#8 Updates golang/go#57237 Change-Id: I1e56656e0dc9ec0b870f799fe3bc18b3caac1ee4 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
License Updater	97c615889d	licenses: update tailscale{,d} licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
License Updater	a8f07153a6	licenses: update win/apple licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Anton Tolchanov	53c4892841	ipn/ipnserver: propagate http.Serve error This ensures that we capture error returned by `Serve` and exit with a non-zero exit code if it happens. Signed-off-by: Anton Tolchanov <anton@tailscale.com>	2 years ago
David Anderson	8171eb600c	cmd/k8s-operator: move the operator into its own namespace. The operator creates a fair bit of internal cluster state to manage proxying, dumping it all in the default namespace is handy for development but rude for production. Updates #502 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Brad Fitzpatrick	56f7da0cfd	ssh/tailssh: set default Tailscale SSH $PATH for non-interactive commands Fixes #5285 Co-authored-by: Andrew Dunham <andrew@tailscale.com> Change-Id: Ic7e967bf6a53b056cac5f21dd39565d9c31563af Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Joe Tsai	350aab05e5	util/multierr: optimize New for nil cases (#6750 ) Consider the following pattern: err1 := foo() err2 := bar() err3 := baz() return multierr.New(err1, err2, err3) If err1, err2, and err3 are all nil, then multierr.New should not allocate. Thus, modify the logic of New to count the number of distinct error values and allocate the exactly needed slice. This also speeds up non-empty error situation since repeatedly growing with append is slow. Performance: name old time/op new time/op delta Empty-24 41.8ns ± 2% 6.4ns ± 1% -84.73% (p=0.000 n=10+10) NonEmpty-24 120ns ± 3% 69ns ± 1% -42.01% (p=0.000 n=9+10) name old alloc/op new alloc/op delta Empty-24 64.0B ± 0% 0.0B -100.00% (p=0.000 n=10+10) NonEmpty-24 168B ± 0% 88B ± 0% -47.62% (p=0.000 n=10+10) name old allocs/op new allocs/op delta Empty-24 1.00 ± 0% 0.00 -100.00% (p=0.000 n=10+10) NonEmpty-24 3.00 ± 0% 2.00 ± 0% -33.33% (p=0.000 n=10+10) Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Jordan Whited	55b24009f7	net/tstun: don't return early from a partial tun.Read() (#6745 ) Fixes #6730 Signed-off-by: Jordan Whited <jordan@tailscale.com>	2 years ago
David Anderson	3a5fc233aa	cmd/k8s-operator: use oauth credentials for API access. This automates both the operator's initial login, and provisioning/deprovisioning of proxies. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	a7ab3429b6	cmd/k8s-operator: refactor reconcile loop, un-plumbing reconcile.Result. We used to need to do timed requeues in a few places in the reconcile logic, and the easiest way to do that was to plumb reconcile.Result return values around. But now we're purely event-driven, so the only thing we care about is whether or not an error occurred. Incidentally also fix a very minor bug where headless services would get completely ignored, rather than reconciled into the correct state. This shouldn't matter in practice because you can't transition from a headful to a headless service without a deletion, but for consistency let's avoid having a path that takes no definite action if a service of interest does exist. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Denton Gentry	da53b1347b	cmd/gitops-pusher: support alternate api-server URLs Fixes https://github.com/tailscale/coral/issues/90 Signed-off-by: Denton Gentry <dgentry@tailscale.com>	2 years ago
David Anderson	835a73cc1f	cmd/k8s-operator: remove unnecessary timed requeue. Previously, we had to do blind timed requeues while waiting for the tailscale hostname, because we looked up the hostname through the API. But now the proxy container image writes back its hostname to the k8s secret, so we get an event-triggered reconcile automatically when the time is right. Updates #502 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	d857fd00b3	cmd/k8s-operator: sprinkle debug logging throughout. As is convention in the k8s world, use zap for structured logging. For development, OPERATOR_LOGGING=dev switches to a more human-readable output than JSON. Updates #502 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	8ccd707218	cmd/k8s-operator: remove times requeues in proxy deletion path. Our reconcile loop gets triggered again when the StatefulSet object finally disappears (in addition to when its deletion starts, as indicated by DeletionTimestamp != 0). So, we don't need to queue additional reconciliations to proceed with the remainder of the cleanup, that happens organically. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	c0fcab01ac	client/tailscale: fix request object for key creation. The request takes key capabilities as an argument, but wrapped in a parent object. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Andrew Dunham	3f4d51c588	net/dns: don't send on closed channel when message too large Previously, if a DNS-over-TCP message was received while there were existing queries in-flight, and it was over the size limit, we'd close the 'responses' channel. This would cause those in-flight queries to send on the closed channel and panic. Instead, don't close the channel at all and rely on s.ctx being canceled, which will ensure that in-flight queries don't hang. Fixes #6725 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I8267728ac37ed7ae38ddd09ce2633a5824320097	2 years ago
Brad Fitzpatrick	44be59c15a	wgengine/magicsock: fix panic in wireguard-go rate limiting path Fixes #6686 Change-Id: I1055a87141b07261afed8e36c963a69f3be26088 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Andrew Dunham	0d47cd2284	wgengine/monitor: fix panic due to race on Windows It's possible for the 'somethingChanged' callback to be registered and then trigger before the ctx field is assigned; move the assignment earlier so this can't happen. Change-Id: Ia7ee8b937299014a083ab40adf31a8b3e0db4ec5 Signed-off-by: Andrew Dunham <andrew@du.nham.ca>	2 years ago
David Anderson	d81a2b2ce2	Makefile: add a target for doing dev builds of the k8s operator. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	9c77205ba1	cmd/k8s-operator: add more tests for "normal" paths. Tests cover configuring a proxy through an annotation rather than a LoadBalancerClass, and converting between those two modes at runtime. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	c902190e67	cmd/k8s-operator: factor out some of the larger expected test outputs. For other test cases, the operator is going to produce similar generated objects in several codepaths, and those objects are large. Move them out to helpers so that the main test code stays a bit more intelligible. The top-level Service that we start and end with remains in the main test body, because its shape at the start and end is one of the main things that varies a lot between test cases. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	8dbb3b8bbe	cmd/k8s-operator: remove unused structs. Cleanup missed in #6718 . Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	53a9cc76c7	cmd/k8s-operator: rename main.go -> operator.go. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	bc8f5a7734	cmd/k8s-operator: add a basic unit test. The test verifies one of the successful reconcile paths, where a client requests an exposed service via a LoadBalancer class. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	3b7ae39a06	cmd/k8s-operator: use the client's authkey method to create auth keys. Also introduces an intermediary interface for the tailscale client, in preparation for operator tests that fake out the Tailscale API interaction. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Brad Fitzpatrick	ca08e316af	util/endian: delete package; use updated josharian/native instead See josharian/native#3 Updates golang/go#57237 Change-Id: I238c04c6654e5b9e7d9cfb81a7bbc5e1043a84a2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Joe Tsai	bd2995c14b	ipn/ipnlocal: simplify redactErr (#6716 ) Use multierr.Range to iterate through an error tree instead of multiple invocations of errors.As. This scales better as we add more Go error types to the switch. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Joe Tsai	c47578b528	util/multierr: add Range (#6643 ) Errors in Go are no longer viewed as a linear chain, but a tree. See golang/go#53435. Add a Range function that iterates through an error in a pre-order, depth-first order. This matches the iteration order of errors.As in Go 1.20. This adds the logic (but currently commented out) for having Error implement the multi-error version of Unwrap in Go 1.20. It is commented out currently since it causes "go vet" to complain about having the "wrong" signature. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Dave Anderson	041a0e3c27	client/tailscale: add APIs for auth key management. (#6715 ) client/tailscale: add APIs for key management. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	b2d4abf25a	cmd/k8s-operator: add a kubernetes operator. This was initially developed in a separate repo, but for build/release reasons and because go module management limits the damage of importing k8s things now, moving it into this repo. At time of commit, the operator enables exposing services over tailscale, with the 'tailscale' loadBalancerClass. It also currently requires an unreleased feature to access the Tailscale API, so is not usable yet. Updates #502. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago

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