tailscale

Commit Graph

Author	SHA1	Message	Date
dependabot[bot]	60a028a4f6	.github: Bump peter-evans/create-pull-request from 4.1.4 to 4.2.4 Bumps [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request) from 4.1.4 to 4.2.4. - [Release notes](https://github.com/peter-evans/create-pull-request/releases) - [Commits](`ad43dccb4d...38e0b6e68b`) --- updated-dependencies: - dependency-name: peter-evans/create-pull-request dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>	2 years ago
dependabot[bot]	927e2e3e7c	.github: Bump actions/setup-go from 3 to 4 Bumps [actions/setup-go](https://github.com/actions/setup-go) from 3 to 4. - [Release notes](https://github.com/actions/setup-go/releases) - [Commits](https://github.com/actions/setup-go/compare/v3...v4) --- updated-dependencies: - dependency-name: actions/setup-go dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	2 years ago
Nahum Shalman	82e067e0ff	build_dist.sh: make cross-compilation friendly Signed-off-by: Nahum Shalman <nahamu@gmail.com>	2 years ago
Maisem Ali	95494a155e	.github: use unique names for jobs Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
James 'zofrex' Sanderson	9534783758	tailscale/cmd: Warn for up --force-reauth over SSH without accepting the risk (#7575 ) Fixes #6377 Signed-off-by: James Sanderson <jsanderson@tailscale.com>	2 years ago
Maisem Ali	f34590d9ed	tsnet: add test for Funnel connections For the logic added in `b797f77`. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	c6d96a2b61	tsnet: do not start logtail in tests It was trying to upload logs in tests. skip-issuebot Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
David Anderson	0498d5ea86	tool/gocross: delete bootstrap tarball downloads after use Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
David Anderson	1f95bfedf7	tool/gocross: adjust Xcode flags to match new Xcode env Xcode changed how/what data it exports to build steps at some point recently, so our old way of figuring out the minimum support version for clang stopped working. Updates tailscale/corp#4095 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Kurnia D Win	9526858b1e	control/controlclient: fix accidental backoff reset Signed-off-by: Kurnia D Win <kurnia.d.win@gmail.com>	2 years ago
David Anderson	df3996cae3	tool/gocross: bootstrap correctly on an older toolchain Sometimes, our cached toolchain ends up being an older version of Go, older than our go.mod allows. In that scenario, gocross-wrapper.sh would find a usable toolchain, but then fail to compile gocross. This change makes the wrapper script check that the cached toolchain's minor version is good enough to build tailscale.com, and re-bootstraps in shell if not. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Mihai Parparita	97b6d3e917	sockstats: remove per-interface stats from Get They're not needed for the sockstats logger, and they're somewhat expensive to return (since they involve the creation of a map per label). We now have a separate GetInterfaces() method that returns them instead (which we can still use in the PeerAPI debug endpoint). If changing sockstatlog to sample at 10,000 Hz (instead of the default of 10Hz), the CPU usage would go up to 59% on a iPhone XS. Removing the per-interface stats drops it to 20% (a no-op implementation of Get that returns a fixed value is 16%). Updates tailscale/corp#9230 Updates #3363 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
David Anderson	9ebab961c9	version/mkversion: don't break on tagged go.mod entries I thought our versioning scheme would make go.mod include a commit hash even on stable builds. I was wrong. Fortunately, the rest of this code wants anything that 'git rev-parse' understands (to convert it into a full git hash), and tags qualify. Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Denton Gentry	6d3490f399	VERSION.txt: this is 1.39 Signed-off-by: Denton Gentry <dgentry@tailscale.com>	2 years ago
License Updater	51b0169b10	licenses: update win/apple licenses Signed-off-by: License Updater <noreply+license-updater@tailscale.com>	2 years ago
Maisem Ali	b4d3e2928b	tsnet: avoid deadlock on close tsnet.Server.Close was calling listener.Close with the server mutex held, but the listener close method tries to grab that mutex, resulting in a deadlock. Co-authored-by: David Crawshaw <crawshaw@tailscale.com> Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
shayne	2b892ad6e7	cmd/tailscale/cli: [serve] rework commands based on feedback (#6521 ) ``` $ tailscale serve https:<port> <mount-point> <source> [off] $ tailscale serve tcp:<port> tcp://localhost:<local-port> [off] $ tailscale serve tls-terminated-tcp:<port> tcp://localhost:<local-port> [off] $ tailscale serve status [--json] $ tailscale funnel <serve-port> {on\|off} $ tailscale funnel status [--json] ``` Fixes: #6674 Signed-off-by: Shayne Sweeney <shayne@tailscale.com>	2 years ago
Will Norris	6ef2105a8e	log/sockstatlog: only start once; don't copy ticker Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Maisem Ali	8c4adde083	log/sockstatlog: also shutdown the poll goroutine Co-authored-by: Will Norris <will@tailscale.com> Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	c87782ba9d	cmd/k8s-operator: drop trailing dot in tagged node name Also update tailcfg docs. Updates #5055 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Will Norris	09e0ccf4c2	ipn: add c2n endpoint for sockstats logs Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Will Norris	a1d9f65354	ipn,log: add logger for sockstat deltas Signed-off-by: Will Norris <will@tailscale.com> Co-authored-by: Melanie Warrick <warrick@tailscale.com>	2 years ago
Maisem Ali	5e8a80b845	all: replace /kb/ links with /s/ equivalents Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	558735bc63	cmd/k8s-operator: require HTTPS to be enabled for AuthProxy Updates #5055 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	489e27f085	cmd/k8s-operator: make auth proxy pass tags as Impersonate-Group We were not handling tags at all, pass them through as Impersonate-Group headers. And use the FQDN for tagged nodes as Impersonate-User. Updates #5055 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	56526ff57f	tailcfg: bump capver for 1.38 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	09aed46d44	cmd/tailscale/cli: update docs and unhide configure Also call out Alpha. Updates #7220 Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	223713d4a1	tailcfg,all: add and use Node.IsTagged() Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Andrew Dunham	83fa17d26c	various: pass logger.Logf through to more places Updates #7537 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Id89acab70ea678c8c7ff0f44792d54c7223337c6	2 years ago
Maisem Ali	958c89470b	tsnet: add CertDomains helper (#7533 ) Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
shayne	e109cf9fdd	tsnet/tsnet: clear ipn.ServeConfig on Up for tsnet apps (#7534 ) We persist the ServeConfig, even for tsnet apps. It's quite possible for the ServeConfig to be out of step with the code. Example: If you run `ListenFunnel` then later turn it off, the ServeConfig will still show it enabled, the admin console will show it enabled, but the packet handler will reject the packets. Workaround by clearing the ServeConfig in `tsnet.Up` Signed-off-by: Shayne Sweeney <shayne@tailscale.com>	2 years ago
Maisem Ali	3ff44b2307	ipn: add Funnel port check from nodeAttr Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Maisem Ali	ccdd534e81	tsnet: add ListenFunnel This lets a tsnet binary share a server out over Tailscale Funnel. Signed-off-by: David Crawshaw <crawshaw@tailscale.com> Signed-off-by: Maisem Ali <maisem@tailscale.com> Signed-off-by: Shayne Sweeney <shayne@tailscale.com>	2 years ago
Denton Gentry	047b324933	scripts/installer: add PureOS and Amazon Linux Next Fixes https://github.com/tailscale/tailscale/issues/7410 Signed-off-by: Denton Gentry <dgentry@tailscale.com>	2 years ago
Andrew Dunham	f0d6228c52	ipn/localapi: flesh out the 'debug derp' checks Updates #6526 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ic18d9ff288b9c7b8d5ab1bd77dd59693cd776cc4	2 years ago
License Updater	920de86cee	licenses: update android licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Mihai Parparita	b64d78d58f	sockstats: refactor validation to be opt-in Followup to #7499 to make validation a separate function ( GetWithValidation vs. Get). This way callers that don't need it don't pay the cost of a syscall per active TCP socket. Also clears the conn on close, so that we don't double-count the stats. Also more consistently uses Go doc comments for the exported API of the sockstats package. Updates tailscale/corp#9230 Updates #3363 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	ea81bffdeb	sockstats: export as client metrics Though not fine-grained enough to be useful for detailed analysis, we might as well export that we gather as client metrics too, since we have an upload/analysis pipeline for them. clientmetric.Metric.Add is an atomic add, so it's pretty cheap to also do per-packet. Updates tailscale/corp#9230 Updates #3363 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Maisem Ali	1e72de6b72	ipn/ipnlocal: remove WIP restriction for Tailscale SSH on macOS It kinda works fine now on macOS with the recent fixes in `0582829` and `5787989d`. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Tom DNetto	92fc243755	cmd/tailscale: annotate tailnet-lock keys which wrap pre-auth keys Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
Tom DNetto	3471fbf8dc	cmd/tailscale: surface node-key for locked out tailnet-lock peers Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
Maisem Ali	b797f773c7	ipn/ipnlocal: add support for funnel in tsnet Previously the part that handled Funnel connections was not aware of any listeners that tsnet.Servers might have had open so it would check against the ServeConfig and fail. Adding a ServeConfig for a TCP proxy was also not suitable in this scenario as that would mean creating two different listeners and have one forward to the other, which really meant that you could not have funnel and tailnet-only listeners on the same port. This also introduces the ipn.FunnelConn as a way for users to identify whether the call is coming over funnel or not. Currently it only holds the underlying conn and the target as presented in the "Tailscale-Ingress-Target" header. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Joe Tsai	dad78f31f3	syncs: add WaitGroup wrapper (#7481 ) The addition of WaitGroup.Go in the standard library has been repeatedly proposed and rejected. See golang/go#18022, golang/go#23538, and golang/go#39863 In summary, the argument for WaitGroup.Go is that it avoids bugs like: go func() { wg.Add(1) defer wg.Done() ... }() where the increment happens after execution (not before) and also (to a lesser degree) because: wg.Go(func() { ... }) is shorter and more readble. The argument against WaitGroup.Go is that the provided function takes no arguments and so inputs and outputs must closed over by the provided function. The most common race bug for goroutines is that the caller forgot to capture the loop iteration variable, so this pattern may make it easier to be accidentally racy. However, that is changing with golang/go#57969. In my experience the probability of race bugs due to the former still outwighs the latter, but I have no concrete evidence to prove it. The existence of errgroup.Group.Go and frequent utility of the method at least proves that this is a workable pattern and the possibility of accidental races do not appear to manifest as frequently as feared. A reason not to use errgroup.Group everywhere is that there are many situations where it doesn't make sense for the goroutine to return an error since the error is handled in a different mechanism (e.g., logged and ignored, formatted and printed to the frontend, etc.). While you can use errgroup.Group by always returning nil, the fact that you can return nil makes it easy to accidentally return an error when nothing is checking the return of group.Wait. This is not a hypothetical problem, but something that has bitten us in usages that was only using errgroup.Group without intending to use the error reporting part of it. Thus, add a (yet another) variant of WaitGroup here that is identical to sync.WaitGroup, but with an extra method. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Maisem Ali	be027a9899	control/controlclient: improve handling of concurrent lite map requests This reverts commit `6eca47b16c` and fixes forward. Previously the first ever streaming MapRequest that a client sent would also set ReadOnly to true as it didn't have any endpoints and expected/relied on the map poll to restart as soon as it got endpoints. However with `48f6c1eba4`, we would no longer restart MapRequests as frequently as we used to, so control would only ever get the first streaming MapRequest which had ReadOnly=true. Control would treat this as an uninteresting request and would not send it any further netmaps, while the client would happily stay in the map poll forever while litemap updates happened in parallel. This makes it so that we never set `ReadOnly=true` when we are doing a streaming MapRequest. This is no longer necessary either as most endpoint discovery happens over disco anyway. Co-authored-by: Andrew Dunham <andrew@du.nham.ca> Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Joe Tsai	87b4bbb94f	tstime/rate: add Value (#7491 ) Add Value, which measures the rate at which an event occurs, exponentially weighted towards recent activity. It is guaranteed to occupy O(1) memory, operate in O(1) runtime, and is safe for concurrent use. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Mihai Parparita	4c2f67a1d0	net/sockstat: fix per-interface statistics not always being available withSockStats may be called before setLinkMonitor, in which case we don't have a populated knownInterfaces map. Since we pre-populate the per-interface counters at creation time, we would end up with an empty map. To mitigate this, we do an on-demand request for the list of interfaces. This would most often happen with the logtail instrumentation, since we initialize it very early on. Updates tailscale/corp#9230 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Maisem Ali	e69682678f	ssh/tailssh: use context.WithCancelCause It was using a custom implmentation of the context.WithCancelCause, replace usage with stdlib. Signed-off-by: Maisem Ali <maisem@tailscale.com>	2 years ago
Mihai Parparita	a2be1aabfa	logtail: remove unncessary response read Effectively reverts #249, since the server side was fixed (with #251?) to send a 200 OK/content-length 0 response. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Tom DNetto	ce99474317	all: implement preauth-key support with tailnet lock Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
Mihai Parparita	f4f8ed98d9	sockstats: add validation for TCP socket stats We can use the TCP_CONNECTION_INFO getsockopt() on Darwin to get OS-collected tx/rx bytes for TCP sockets. Since this API is not available for UDP sockets (or on Linux/Android), we can't rely on it for actual stats gathering. However, we can use it to validate the stats that we collect ourselves using read/write hooks, so that we can be more confident in them. We do need additional hooks from the Go standard library (added in tailscale/go#59) to be able to collect them. Updates tailscale/corp#9230 Updates #3363 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago

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