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Author	SHA1	Message	Date
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>	2 months 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>	2 months 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>	2 months 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>	2 months 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>	2 months 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	2 months 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>	2 months ago
License Updater	a8f9c0d6e4	licenses: update license notices ... Signed-off-by: License Updater <noreply+license-updater@tailscale.com>	2 months 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>	2 months ago
Kristoffer Dalby	40c991f6b8	wgengine: instrument with usermetrics ... Updates tailscale/corp#22075 Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>	2 months ago
Paul Scott	adc8368964	tstest: avoid Fatal in ResourceCheck to show panic (#13790) ... Fixes #13789 Signed-off-by: Paul Scott <paul@tailscale.com>	2 months 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>	2 months 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>	2 months 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>	2 months 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>	2 months 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>	2 months 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>	2 months 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>	2 months ago
Jordan Whited	33029d4486	net/netcheck: fix netcheck cli-triggered nil pointer deref (#13782) ... Updates #13780 Signed-off-by: Jordan Whited <jordan@tailscale.com>	2 months ago
Jonathan Nobels	acb4a22dcc	VERSION.txt: this is v1.77.0 (#13779)	2 months ago
Brad Fitzpatrick	508980603b	ipn/conffile: don't depend on hujson on iOS/Android ... Fixes #13772 Change-Id: I3ae03a5ee48c801f2e5ea12d1e54681df25d4604 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Andrew Dunham	91f58c5e63	tsnet: fix panic caused by logging after test finishes ... Updates #13773 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I95e03eb6aef1639bd4a2efd3a415e2c10cdebc5a	2 months ago
Brad Fitzpatrick	1938685d39	clientupdate: don't link distsign on platforms that don't download ... Updates tailscale/corp#20099 Change-Id: Ie3b782379b19d5f7890a8d3a378096b4f3e8a612 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Irbe Krumina	db1519cc9f	k8s-operator/apis: revert ProxyGroup readiness cond name change (#13770) ... No need to prefix this with 'Tailscale' for tailscale.com custom resource types. Updates tailscale/tailscale#13406 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	2 months ago
Brad Fitzpatrick	2531065d10	clientupdate, ipn/localapi: don't use google/uuid, thin iOS deps ... We were using google/uuid in two places and that brought in database/sql/driver. We didn't need it in either place. Updates #13760 Updates tailscale/corp#20099 Change-Id: Ieed32f1bebe35d35f47ec5a2a429268f24f11f1f Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Brad Fitzpatrick	fb420be176	safesocket: don't depend on go-ps on iOS ... There's never a tailscaled on iOS. And we can't run child processes to look for it anyway. Updates tailscale/corp#20099 Change-Id: Ieb3776f4bb440c4f1c442fdd169bacbe17f23ddb Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Brad Fitzpatrick	367fba8520	control/controlhttp: don't link ts2021 server + websocket code on iOS ... We probably shouldn't link it in anywhere, but let's fix iOS for now. Updates #13762 Updates tailscale/corp#20099 Change-Id: Idac116e9340434334c256acba3866f02bd19827c Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Joe Tsai	52ef27ab7c	taildrop: fix defer in loop (#13757) ... However, this affects the scope of a defer. Updates #11038 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 months ago
Joe Tsai	5b7303817e	syncs: allocate map with Map.WithLock (#13755) ... One primary purpose of WithLock is to mutate the underlying map. However, this can lead to a panic if it happens to be nil. Thus, always allocate a map before passing it to f. Updates tailscale/corp#11038 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 months ago
Brad Fitzpatrick	c763b7a7db	syncs: delete Map.Range, update callers to iterators ... Updates #11038 Change-Id: I2819fed896cc4035aba5e4e141b52c12637373b1 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Percy Wegmann	2cadb80fb2	util/vizerror: add WrapWithMessage ... Thus new function allows constructing vizerrors that combine a message appropriate for display to users with a wrapped underlying error. Updates tailscale/corp#23781 Signed-off-by: Percy Wegmann <percy@tailscale.com>	2 months ago
Joe Tsai	910b4e8e6a	syncs: add iterators to Map (#13739) ... Add Keys, Values, and All to iterate over all keys, values, and entries, respectively. Updates #11038 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 months ago
Irbe Krumina	89ee6bbdae	cmd/k8s-operator,k8s-operator/apis: set a readiness condition on egress Services for ProxyGroup (#13746) ... cmd/k8s-operator,k8s-operator/apis: set a readiness condition on egress Services Set a readiness condition on ExternalName Services that define a tailnet target to route cluster traffic to via a ProxyGroup's proxies. The condition is set to true if at least one proxy is currently set up to route. Updates tailscale/tailscale#13406 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	2 months ago
Brad Fitzpatrick	94c79659fa	types/views: add iterators to the three Map view types ... Their callers using Range are all kinda clunky feeling. Iterators should make them more readable. Updates #12912 Change-Id: I93461eba8e735276fda4a8558a4ae4bfd6c04922 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 months ago
Irbe Krumina	f6d4d03355	cmd/k8s-operator: don't error out if ProxyClass for ProxyGroup not found. (#13736) ... We don't need to error out and continuously reconcile if ProxyClass has not (yet) been created, once it gets created the ProxyGroup reconciler will get triggered. Updates tailscale/tailscale#13406 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	2 months ago
Irbe Krumina	60011e73b8	cmd/k8s-operator: fix Pod IP selection (#13743) ... Ensure that .status.podIPs is used to select Pod's IP in all reconcilers. Updates tailscale/tailscale#13406 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	2 months ago