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Author	SHA1	Message	Date
Jonathan Nobels	aecb0ab76b	tstest/tailmac: add support for mounting host directories in the guest (#13957) ... updates tailscale/corp#24197 tailmac run now supports the --share option which will allow you to specify a directory on the host which can be mounted in the guest using mount_virtiofs vmshare <path>. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>	3 weeks ago
Jonathan Nobels	0f9a054cba	tstest/tailmac: fix Host.app path generation (#13953) ... updates tailscale/corp#24197 Generation of the Host.app path was erroneous and tailmac run would not work unless the pwd was tailmac/bin. Now you can be able to invoke tailmac from anywhere. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>	3 weeks ago
Anton Tolchanov	9545e36007	cmd/tailscale/cli: add 'tailscale metrics' command ... - `tailscale metrics print`: to show metric values in console - `tailscale metrics write`: to write metrics to a file (with a tempfile & rename dance, which is atomic on Unix). Also, remove the `TS_DEBUG_USER_METRICS` envknob as we are getting more confident in these metrics. Updates tailscale/corp#22075 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	3 weeks ago
Anton Tolchanov	38af62c7b3	ipn/ipnlocal: remove the primary routes gauge for now ... Not confident this is the right way to expose this, so let's remote it for now. Updates tailscale/corp#22075 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	3 weeks ago
Anton Tolchanov	11e96760ff	wgengine/magicsock: fix stats packet counter on derp egress ... Updates tailscale/corp#22075 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	3 weeks ago
Anton Tolchanov	94fa6d97c5	ipn/ipnlocal: log errors while fetching serial numbers ... If the client cannot fetch a serial number, write a log message helping the user understand what happened. Also, don't just return the error immediately, since we still have a chance to collect network interface addresses. Updates #5902 Signed-off-by: Anton Tolchanov <anton@tailscale.com>	3 weeks ago
James Tucker	0d76d7d21c	tool/gocross: remove trimpath from test builds ... trimpath can be inconvenient for IDEs and LSPs that do not always correctly handle module relative paths, and can also contribute to caching bugs taking effect. We rarely have a real need for trimpath of test produced binaries, so avoiding it should be a net win. Updates #2988 Signed-off-by: James Tucker <james@tailscale.com>	3 weeks ago
James Tucker	c0a1ed86cb	tstest/natlab: add latency & loss simulation ... A simple implementation of latency and loss simulation, applied to writes to the ethernet interface of the NIC. The latency implementation could be optimized substantially later if necessary. Updates #13355 Signed-off-by: James Tucker <james@tailscale.com>	3 weeks ago
License Updater	41aac26106	licenses: update license notices ... Signed-off-by: License Updater <noreply+license-updater@tailscale.com>	4 weeks ago
Renato Aguiar	5d07c17b93	net/dns: fix blank lines being added to resolv.conf on OpenBSD (#13928) ... During resolv.conf update, old 'search' lines are cleared but '\n' is not deleted, leaving behind a new blank line on every update. This adds 's' flag to regexp, so '\n' is included in the match and deleted when old lines are cleared. Also, insert missing `\n` when updated 'search' line is appended to resolv.conf. Signed-off-by: Renato Aguiar <renato@renatoaguiar.net>	4 weeks ago
Irbe Krumina	9d1348fe21	ipn/store/kubestore: don't error if state cannot be preloaded (#13926) ... Preloading of state from kube Secret should not error if the Secret does not exist. Updates tailscale/tailscale#7671 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	4 weeks ago
Irbe Krumina	853fe3b713	ipn/store/kubestore: cache state in memory (#13918) ... Cache state in memory on writes, read from memory in reads. kubestore was previously always reading state from a Secret. This change should fix bugs caused by temporary loss of access to kube API server and imporove overall performance Fixes #7671 Updates tailscale/tailscale#12079,tailscale/tailscale#13900 Signed-off-by: Maisem Ali <maisem@tailscale.com> Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Maisem Ali <maisem@tailscale.com>	4 weeks ago
Nick Kirby	6ab39b7bcd	cmd/k8s-operator: validate that tailscale.com/tailnet-ip annotation value is a valid IP ... Fixes #13836 Signed-off-by: Nick Kirby <nrkirb@gmail.com>	4 weeks ago
Nick Khyl	e815ae0ec4	util/syspolicy, ipn/ipnlocal: update syspolicy package to utilize syspolicy/rsop ... In this PR, we update the syspolicy package to utilize syspolicy/rsop under the hood, and remove syspolicy.CachingHandler, syspolicy.windowsHandler and related code which is no longer used. We mark the syspolicy.Handler interface and RegisterHandler/SetHandlerForTest functions as deprecated, but keep them temporarily until they are no longer used in other repos. We also update the package to register setting definitions for all existing policy settings and to register the Registry-based, Windows-specific policy stores when running on Windows. Finally, we update existing internal and external tests to use the new API and add a few more tests and benchmarks. Updates #12687 Signed-off-by: Nick Khyl <nickk@tailscale.com>	4 weeks ago
Andrew Dunham	7fe6e50858	net/dns/resolver: fix test flake ... Updates #13902 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Ib2def19caad17367e9a31786ac969278e65f51c6	4 weeks ago
Paul Scott	212270463b	cmd/testwrapper: add pkg runtime to output (#13894) ... Fixes #13893 Signed-off-by: Paul Scott <paul@tailscale.com>	4 weeks ago
Andrew Dunham	b2665d9b89	net/netcheck: add a Now field to the netcheck Report ... This allows us to print the time that a netcheck was run, which is useful in debugging. Updates #10972 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Id48d30d4eb6d5208efb2b1526a71d83fe7f9320b	1 month ago
Brad Fitzpatrick	ae5bc88ebe	health: fix spurious warning about DERP home region '0' ... Updates #13650 Change-Id: I6b0f165f66da3f881a4caa25d2d9936dc2a7f22c Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 month ago
Maisem Ali	85241f8408	net/tstun: use /10 as subnet for TAP mode; read IP from netmap ... Few changes to resolve TODOs in the code: - Instead of using a hardcoded IP, get it from the netmap. - Use 100.100.100.100 as the gateway IP - Use the /10 CGNAT range instead of a random /24 Updates #2589 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 month ago
Maisem Ali	d4d21a0bbf	net/tstun: restore tap mode functionality ... It had bit-rotted likely during the transition to vector io in 76389d8baf. Tested on Ubuntu 24.04 by creating a netns and doing the DHCP dance to get an IP. Updates #2589 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 month ago
Nick Khyl	0f4c9c0ecb	cmd/viewer: import types/views when generating a getter for a map field ... Fixes #13873 Signed-off-by: Nick Khyl <nickk@tailscale.com>	1 month ago
Andrea Gottardo	f8f53bb6d4	health: remove SysDNSOS, add two Warnables for read+set system DNS config (#13874)	1 month ago
Erisa A	72587ab03c	scripts/installer.sh: allow Archcraft for Arch packages (#13870) ... Fixes #13869 Signed-off-by: Erisa A <erisa@tailscale.com>	1 month ago
Brad Fitzpatrick	c76a6e5167	derp: track client-advertised non-ideal DERP connections in more places ... In f77821fd63 (released in v1.72.0), we made the client tell a DERP server when the connection was not its ideal choice (the first node in its region). But we didn't do anything with that information until now. This adds a metric about how many such connections are on a given derper, and also adds a bit to the PeerPresentFlags bitmask so watchers can identify (and rebalance) them. Updates tailscale/corp#372 Change-Id: Ief8af448750aa6d598e5939a57c062f4e55962be Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 month ago
Andrea Gottardo	fd77965f23	net/tlsdial: call out firewalls blocking Tailscale in health warnings (#13840) ... Updates tailscale/tailscale#13839 Adds a new blockblame package which can detect common MITM SSL certificates used by network appliances. We use this in `tlsdial` to display a dedicated health warning when we cannot connect to control, and a network appliance MITM attack is detected. Signed-off-by: Andrea Gottardo <andrea@gottardo.me>	1 month ago
Mario Minardi	e711ee5d22	release/dist: clamp min / max version for synology package centre (#13857) ... Clamp the min and max version for DSM 7.0 and DSM 7.2 packages when we are building packages for the synology package centre. This change leaves packages destined for pkgs.tailscale.com with just the min version set to not break packages in the wild / our update flow. Updates https://github.com/tailscale/corp/issues/22908 Signed-off-by: Mario Minardi <mario@tailscale.com>	1 month ago
Jordan Whited	877fa504b4	net/netcheck: remove arbitrary deadlines from GetReport() tests (#13832) ... GetReport() may have side effects when the caller enforces a deadline that is shorter than ReportTimeout. Updates #13783 Updates #13394 Signed-off-by: Jordan Whited <jordan@tailscale.com>	1 month ago
Nick Khyl	874db2173b	ipn/{ipnauth,ipnlocal,ipnserver}: send the auth URL to the user who started interactive login ... We add the ClientID() method to the ipnauth.Actor interface and updated ipnserver.actor to implement it. This method returns a unique ID of the connected client if the actor represents one. It helps link a series of interactions initiated by the client, such as when a notification needs to be sent back to a specific session, rather than all active sessions, in response to a certain request. We also add LocalBackend.WatchNotificationsAs and LocalBackend.StartLoginInteractiveAs methods, which are like WatchNotifications and StartLoginInteractive but accept an additional parameter specifying an ipnauth.Actor who initiates the operation. We store these actor identities in watchSession.owner and LocalBackend.authActor, respectively,and implement LocalBackend.sendTo and related helper methods to enable sending notifications to watchSessions associated with actors (or, more broadly, identifiable recipients). We then use the above to change who receives the BrowseToURL notifications: - For user-initiated, interactive logins, the notification is delivered only to the user who initiated the process. If the initiating actor represents a specific connected client, the URL notification is sent back to the same LocalAPI client that called StartLoginInteractive. Otherwise, the notification is sent to all clients connected as that user. Currently, we only differentiate between users on Windows, as it is inherently a multi-user OS. - In all other cases (e.g., node key expiration), we send the notification to all connected users. Updates tailscale/corp#18342 Signed-off-by: Nick Khyl <nickk@tailscale.com>	1 month ago
Jordan Whited	bb60da2764	derp: add sclient write deadline timeout metric (#13831) ... Write timeouts can be indicative of stalled TCP streams. Understanding changes in the rate of such events can be helpful in an ops context. Updates tailscale/corp#23668 Signed-off-by: Jordan Whited <jordan@tailscale.com>	1 month ago
Brad Fitzpatrick	18fc093c0d	derp: give trusted mesh peers longer write timeouts ... Updates tailscale/corp#24014 Change-Id: I700872be48ab337dce8e11cabef7f82b97f0422a Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 month ago
Andrew Dunham	c0a9895748	scripts/installer.sh: support DNF5 ... This fixes the installation on newer Fedora versions that use dnf5 as the 'dnf' binary. Updates #13828 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I39513243c81640fab244a32b7dbb3f32071e9fce	1 month ago
Andrea Gottardo	fa95318a47	tool/gocross: add support for tvOS Simulator (#13847) ... Updates ENG-5321 Allow gocross to build a static library for the Apple TV Simulator. Signed-off-by: Andrea Gottardo <andrea@gottardo.me>	1 month ago
Naman Sood	22c89fcb19	cmd/tailscale,ipn,tailcfg: add `tailscale advertise` subcommand behind envknob (#13734) ... Signed-off-by: Naman Sood <mail@nsood.in>	1 month ago
Mario Minardi	d32d742af0	ipn/ipnlocal: error when trying to use exit node on unsupported platform (#13726) ... Adds logic to `checkExitNodePrefsLocked` to return an error when attempting to use exit nodes on a platform where this is not supported. This mirrors logic that was added to error out when trying to use `ssh` on an unsupported platform, and has very similar semantics. Fixes https://github.com/tailscale/tailscale/issues/13724 Signed-off-by: Mario Minardi <mario@tailscale.com>	1 month ago
Brad Fitzpatrick	6a885dbc36	wgengine/magicsock: fix CI-only test warning of missing health tracker ... While looking at deflaking TestTwoDevicePing/ping_1.0.0.2_via_SendPacket, there were a bunch of distracting: WARNING: (non-fatal) nil health.Tracker (being strict in CI): ... This pacifies those so it's easier to work on actually deflaking the test. Updates #11762 Updates #11874 Change-Id: I08dcb44511d4996b68d5f1ce5a2619b555a2a773 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 month ago
Christian	74dd24ce71	cmd/tsconnect, logpolicy: fixes for wasm_js.go ... * updates to LocalBackend require metrics to be passed in which are now initialized * os.MkdirTemp isn't supported in wasm/js so we simply return empty string for logger * adds a UDP dialer which was missing and led to the dialer being incompletely initialized Fixes #10454 and #8272 Signed-off-by: Christian <christian@devzero.io>	1 month ago
Nick Khyl	ff5f233c3a	util/syspolicy: add rsop package that provides access to the resultant policy ... In this PR we add syspolicy/rsop package that facilitates policy source registration and provides access to the resultant policy merged from all registered sources for a given scope. Updates #12687 Signed-off-by: Nick Khyl <nickk@tailscale.com>	1 month ago
Andrew Dunham	2aa9125ac4	cmd/derpprobe: add /healthz endpoint ... For a customer that wants to run their own DERP prober, let's add a /healthz endpoint that can be used to monitor derpprobe itself. Updates #6526 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: Iba315c999fc0b1a93d8c503c07cc733b4c8d5b6b	1 month ago
Tom Proctor	5f22f72636	hostinfo,build_docker.sh,tailcfg: more reliably detect being in a container (#13826) ... Our existing container-detection tricks did not work on Kubernetes, where Docker is no longer used as a container runtime. Extends the existing go build tags for containers to the other container packages and uses that to reliably detect builds that were created by Tailscale for use in a container. Unfortunately this doesn't necessarily improve detection for users' custom builds, but that's a separate issue. Updates #13825 Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>	1 month ago
License Updater	a8f9c0d6e4	licenses: update license notices ... Signed-off-by: License Updater <noreply+license-updater@tailscale.com>	1 month ago
Kristoffer Dalby	e0d711c478	{net/connstats,wgengine/magicsock}: fix packet counting in connstats ... connstats currently increments the packet counter whenever it is called to store a length of data, however when udp batch sending was introduced we pass the length for a series of packages, and it is only incremented ones, making it count wrongly if we are on a platform supporting udp batches. Updates tailscale/corp#22075 Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>	1 month ago
Kristoffer Dalby	40c991f6b8	wgengine: instrument with usermetrics ... Updates tailscale/corp#22075 Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>	1 month ago
Paul Scott	adc8368964	tstest: avoid Fatal in ResourceCheck to show panic (#13790) ... Fixes #13789 Signed-off-by: Paul Scott <paul@tailscale.com>	1 month ago
Percy Wegmann	12e6094d9c	ssh/tailssh: calculate passthrough environment at latest possible stage ... This allows passing through any environment variables that we set ourselves, for example DBUS_SESSION_BUS_ADDRESS. Updates #11175 Co-authored-by: Mario Minardi <mario@tailscale.com> Signed-off-by: Percy Wegmann <percy@tailscale.com>	1 month ago
Joe Tsai	ecc8035f73	types/bools: add Compare to compare boolean values (#13792) ... The bools.Compare function compares boolean values by reporting -1, 0, +1 for ordering so that it can be easily used with slices.SortFunc. Updates #cleanup Updates tailscale/corp#11038 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 month ago
Nick Khyl	f07ff47922	net/dns/resolver: add tests for using a forwarder with multiple upstream resolvers ... If multiple upstream DNS servers are available, quad-100 sends requests to all of them and forwards the first successful response, if any. If no successful responses are received, it propagates the first failure from any of them. This PR adds some test coverage for these scenarios. Updates #13571 Signed-off-by: Nick Khyl <nickk@tailscale.com>	1 month ago
Nick Hill	c2144c44a3	net/dns/resolver: update (*forwarder).forwardWithDestChan to always return an error unless it sends a response to responseChan ... We currently have two executions paths where (*forwarder).forwardWithDestChan returns nil, rather than an error, without sending a DNS response to responseChan. These paths are accompanied by a comment that reads: // Returning an error will cause an internal retry, there is // nothing we can do if parsing failed. Just drop the packet. But it is not (or no longer longer) accurate: returning an error from forwardWithDestChan does not currently cause a retry. Moreover, although these paths are currently unreachable due to implementation details, if (*forwarder).forwardWithDestChan were to return nil without sending a response to responseChan, it would cause a deadlock at one call site and a panic at another. Therefore, we update (*forwarder).forwardWithDestChan to return errors in those two paths and remove comments that were no longer accurate and misleading. Updates #cleanup Updates #13571 Signed-off-by: Nick Hill <mykola.khyl@gmail.com>	1 month ago
Nick Hill	e7545f2eac	net/dns/resolver: translate 5xx DoH server errors into SERVFAIL DNS responses ... If a DoH server returns an HTTP server error, rather than a SERVFAIL within a successful HTTP response, we should handle it in the same way as SERVFAIL. Updates #13571 Signed-off-by: Nick Hill <mykola.khyl@gmail.com>	1 month ago
Nick Hill	17335d2104	net/dns/resolver: forward SERVFAIL responses over PeerDNS ... As per the docstring, (*forwarder).forwardWithDestChan should either send to responseChan and returns nil, or returns a non-nil error (without sending to the channel). However, this does not hold when all upstream DNS servers replied with an error. We've been handling this special error path in (*Resolver).Query but not in (*Resolver).HandlePeerDNSQuery. As a result, SERVFAIL responses from upstream servers were being converted into HTTP 503 responses, instead of being properly forwarded as SERVFAIL within a successful HTTP response, as per RFC 8484, section 4.2.1: A successful HTTP response with a 2xx status code (see Section 6.3 of [RFC7231]) is used for any valid DNS response, regardless of the DNS response code. For example, a successful 2xx HTTP status code is used even with a DNS message whose DNS response code indicates failure, such as SERVFAIL or NXDOMAIN. In this PR we fix (*forwarder).forwardWithDestChan to no longer return an error when it sends a response to responseChan, and remove the special handling in (*Resolver).Query, as it is no longer necessary. Updates #13571 Signed-off-by: Nick Hill <mykola.khyl@gmail.com>	1 month ago
Percy Wegmann	f9949cde8b	client/tailscale,cmd/{cli,get-authkey,k8s-operator}: set distinct User-Agents ... This helps better distinguish what is generating activity to the Tailscale public API. Updates tailscale/corp#23838 Signed-off-by: Percy Wegmann <percy@tailscale.com>	1 month ago