tailscale

Commit Graph

Author	SHA1	Message	Date
Mihai Parparita	027111fb5a	derp: update DERP acronym expansion Makes the package description consistent with other documentation. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	1ce0e558a7	cmd/derper, control/controlhttp: disable WebSocket compression The data that we send over WebSockets is encrypted and thus not compressible. Additionally, Safari has a broken implementation of compression (see nhooyr/websocket#218) that makes enabling it actively harmful. Fixes tailscale/corp#6943 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Brad Fitzpatrick	74674b110d	envknob: support changing envknobs post-init Updates #5114 Change-Id: Ia423fc7486e1b3f3180a26308278be0086fae49b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	33ee2c058e	wgengine: update comments, remove redundant code in forceFullWireguardConfig Change-Id: I464a0bce36e3a362c7d7ace0e8d2dd77fa825ee2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	d34dd43562	ipn/ipnlocal: remove unused envknob Change-Id: I6d18af2c469eb660e6ca81d1dcc2af33c9e628aa Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Andrew Dunham	cf61070e26	net/dnscache: add better logging to bootstrap DNS path (#5640 ) Change-Id: I4cde3a72e06dac18df856a0cfeac10ab7e3a9108 Signed-off-by: Andrew Dunham <andrew@tailscale.com>	2 years ago
Kristoffer Dalby	81574a5c8d	portlist: normalise space delimited process names (#5634 )	2 years ago
Mihai Parparita	9c6bdae556	cmd/tsconnect: use the parent window for `beforeunload` event listener The SSH session may be rendered in a different window that the one that is executing the script. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	82e82d9b7a	net/dns/resolver: remove unused responseTimeout constant Timeout is now enforced elsewhere, see discussion in https://github.com/tailscale/tailscale/pull/4408#discussion_r970092333. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
nyghtowl	0f16640546	net/dns: fix fmt error on Revert print Fixes #5619 Signed-off-by: nyghtowl <warrick@tailscale.com>	2 years ago
Joe Tsai	aa0064db4d	logpolicy: add NewWithConfigPath (#5625 ) The version.CmdName implementation is buggy such that it does not correctly identify the binary name if it embeds other go binaries. For now, add a NewWithConfigPath API that allows the caller to explicitly specify this information. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 years ago
Brad Fitzpatrick	45a3de14a6	cmd/tailscaled, tailcfg, hostinfo: add flag to disable logging + support As noted in #5617, our documented method of blocking log.tailscale.io DNS no longer works due to bootstrap DNS. Instead, provide an explicit flag (--no-logs-no-support) and/or env variable (TS_NO_LOGS_NO_SUPPORT=true) to explicitly disable logcatcher uploads. It also sets a bit on Hostinfo to say that the node is in that mode so we can end any support tickets from such nodes more quickly. This does not yet provide an easy mechanism for users on some platforms (such as Windows, macOS, Synology) to set flags/env. On Linux you'd used /etc/default/tailscaled typically. Making it easier to set flags for other platforms is tracked in #5114. Fixes #5617 Fixes tailscale/corp#1475 Change-Id: I72404e1789f9e56ec47f9b7021b44c025f7a373a Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Tom DNetto	f6da2220d3	wgengine: set fwmark masks in netfilter & ip rules This change masks the bitspace used when setting and querying the fwmark on packets. This allows tailscaled to play nicer with other networking software on the host, assuming the other networking software is also using fwmarks & a different mask. IPTables / mark module has always supported masks, so this is safe on the netfilter front. However, busybox only gained support for parsing + setting masks in 1.33.0, so we make sure we arent such a version before we add the "/<mask>" syntax to an ip rule command. Signed-off-by: Tom DNetto <tom@tailscale.com>	2 years ago
Mihai Parparita	b22b565947	cmd/tsconnect: allow xterm.js terminal options to be passed in Allows clients to use a custom theme and other xterm.js customization options. Fixes #5610 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
David Anderson	7c49db02a2	wgengine/magicsock: don't use BPF receive when SO_MARK doesn't work. Fixes #5607 Signed-off-by: David Anderson <danderson@tailscale.com>	2 years ago
Mihai Parparita	c312e0d264	cmd/tsconnect: allow hostname to be specified The auto-generated hostname is nice as a default, but there are cases where the client has a more specific name that it can generate. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	11fcc3a7b0	cmd/tsconnect: fix xterm.js link opening not working when rendered into another window The default WebLinksAddon handler uses window.open(), but that gets blocked by the popup blocker when the event being handled is another window. We instead need to invoke open() on the window that the event was triggered in. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Will Norris	f03a63910d	cmd/tailscale: add licenses link to web UI The `tailscale web` UI is the primary interface for Synology and Home Assistant users (and perhaps others), so is the logical place to put our open source license notices. I don't love adding things to what is currently a very minimal UI, but I'm not sure of a better option. Updates tailscale/corp#5780 Signed-off-by: Will Norris <will@tailscale.com>	2 years ago
Brad Fitzpatrick	024257ef5a	net/stun: unmap IPv4 addresses in 16 byte STUN replies Updates #5602 Change-Id: I2276ad2bfb415b9ff52f37444f2a1d74b38543b1 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Andrew Dunham	eb5939289c	cmd/derper: add /generate_204 endpoint (#5601 ) For captive portal detection. Signed-off-by: Andrew Dunham <andrew@tailscale.com>	2 years ago
Brad Fitzpatrick	16939f0d56	hostinfo: detect being run in a container in more ways Change-Id: I038ff7705ba232e6cf8dcc9775357ef708d43762 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	d5e7e3093d	hostinfo, tailcfg: split Hostinfo.OSVersion into separate fields Stop jamming everything into one string. Fixes #5578 Change-Id: I7dec8d6c073bddc7dc5f653e3baf2b4bf6b68378 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	708b7bff3d	net/dns/publicdns: also support NextDNS DoH query parameters The plan has changed. Doing query parameters rather than path + heades. NextDNS added support for query parameters. Updates #2452 Change-Id: I4783c0a06d6af90756d9c80a7512644ba702388c Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	81bc4992f2	net/netns: add TS_FORCE_LINUX_BIND_TO_DEVICE for Linux For debugging a macOS-specific magicsock issue. macOS runs in bind-to-interface mode always. This lets me force Linux into the same mode as macOS, even if the Linux kernel supports SO_MARK, as it usually does. Updates #2331 etc Change-Id: Iac9e4a7429c1781337e716ffc914443b7aa2869d Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	f3ce1e2536	util/mak: deprecate NonNil, add type-safe NonNilSliceForJSON, NonNilMapForJSON And put the rationale in the name too to save the callers the need for a comment. Change-Id: I090f51b749a5a0641897ee89a8fb2e2080c8b782 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	e7376aca25	net/dns/resolver: set DNS-over-HTTPS Accept and User-Agent header on requests Change-Id: I14b821771681e70405a507f43229c694159265ff Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Tom DNetto	ed2b8b3e1d	wgengine/router: reduce routing rule priority for openWRT + mwan3 Fixes #3659 Signed-off-by: Tom DNetto <tom@tailscale.com> Co-authored-by: Ian Foster <ian@vorsk.com>	2 years ago
Brad Fitzpatrick	c14361e70e	net/dns/publicdns: support NextDNS DoH URLs with path parameters Updates #2452 Change-Id: I0f1c34cc1672e87e7efd0adfe4088724dd0de3ed Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Mihai Parparita	b302742137	cmd/tsconnect: enable web links addon in the terminal More user friendly, and as a side-effect we handle SSH check mode better, since the URL that's output is now clickable. Fixes #5247 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	62035d6485	cmd/tsconnect: switch back to public version of xterm npm package xtermjs/xterm.js#4069 was merged and published (in 5.0.0-beta.58), no need for the fork added by `01e6565e8a`. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Brad Fitzpatrick	89fee056d3	cmd/derper: add robots.txt to disallow all Fixes #5565 Change-Id: I5626ec2116d9be451caef651dc301b7a82e35550 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
License Updater	3ed366ee1e	licenses: update android licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Brad Fitzpatrick	2aade349fc	net/dns, types/dnstypes: update some comments, tests for DoH Clarify & verify that some DoH URLs can be sent over tailcfg in some limited cases. Updates #2452 Change-Id: Ibb25db77788629c315dc26285a1059a763989e24 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	58abae1f83	net/dns/{publicdns,resolver}: add NextDNS DoH support NextDNS is unique in that users create accounts and then get user-specific DNS IPs & DoH URLs. For DoH, the customer ID is in the URL path. For IPv6, the IP address includes the customer ID in the lower bits. For IPv4, there's a fragile "IP linking" mechanism to associate your public IPv4 with an assigned NextDNS IPv4 and that tuple maps to your customer ID. We don't use the IP linking mechanism. Instead, NextDNS is DoH-only. Which means using NextDNS necessarily shunts all DNS traffic through 100.100.100.100 (programming the OS to use 100.100.100.100 as the global resolver) because operating systems can't usually do DoH themselves. Once it's in Tailscale's DoH client, we then connect out to the known NextDNS IPv4/IPv6 anycast addresses. If the control plane sends the client a NextDNS IPv6 address, we then map it to the corresponding NextDNS DoH with the same client ID, and we dial that DoH server using the combination of v4/v6 anycast IPs. Updates #2452 Change-Id: I3439d798d21d5fc9df5a2701839910f5bef85463 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Mihai Parparita	01e6565e8a	cmd/tsconnect: temporarily switch to xterm.js fork that handles popup windows Allows other work to be unblocked while xtermjs/xterm.js#4069 is worked through. To enable testing the popup window handling, the standalone app allows opening of SSH sessions in new windows by holding down the alt key while pressing the SSH button. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	2400ba28b1	cmd/tsconnect: handle terminal resizes before the SSH session is created Store the requested size is a struct field, and use that when actually creating the SSH session. Fixes #5567 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Brad Fitzpatrick	2266b59446	go.toolchain.rev: bump to Go 1.19.1 See https://github.com/tailscale/go/pull/34 Change-Id: I56806358cd1be4a2b8f509883e47c93083d82bdf Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	ad7546fb9f	tailcfg: fix broken test from comment change Fix broken build from `255c0472fb` "Oh, that's safe to commit because most tests are passing and it's just a comment change!", I thought, forgetting I'd added a test that parses its comments. Change-Id: Iae93d595e06fec48831215a98adbb270f3bfda05 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Brad Fitzpatrick	255c0472fb	tailcfg: reformat CurrentCapabilityVersion to be a bulleted list gofmt in 1.19 is now opinionated about structured text formatting in comments. It did not like our style and kept fighting us whenever we changed these lines. Give up the fight and be a bulleted list for it. See: * https://go.dev/doc/go1.19#go-doc and * https://go.dev/doc/comment Updates #4872 Change-Id: Ifae431218471217168c003ab3b4e03c394ca8105 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
License Updater	c5adc5243c	licenses: update win/apple licenses Signed-off-by: GitHub <noreply@github.com>	2 years ago
Andrew Dunham	c9961b8b95	cmd/derper: filter out useless HTTP error logs (#5563 ) These errors aren't actionable and just fill up logs with useless data. See the following Go issue for more details: https://golang.org/issue/26918 Signed-off-by: Andrew Dunham <andrew@tailscale.com>	2 years ago
License Updater	8fdf137571	licenses: update tailscale{,d} licenses Signed-off-by: License Updater <noreply@tailscale.com>	2 years ago
Colin Adler	9c8bbc7888	wgengine/magicsock: fix panic in http debug server Fixes an panic in `(*magicsock.Conn).ServeHTTPDebug` when the `recentPongs` ring buffer for an endpoint wraps around. Signed-off-by: Colin Adler <colin1adler@gmail.com>	2 years ago
Andrew Dunham	9240f5c1e2	wgengine/netstack: only accept connection after dialing (#5503 ) If we accept a forwarded TCP connection before dialing, we can erroneously signal to a client that we support IPv6 (or IPv4) without that actually being possible. Instead, we only complete the client's TCP handshake after we've dialed the outbound connection; if that fails, we respond with a RST. Updates #5425 (maybe fixes!) Signed-off-by: Andrew Dunham <andrew@tailscale.com>	2 years ago
Mihai Parparita	2f702b150e	cmd/tsconnect: add dev-pkg command for two-sided development Allows imports of the NPM package added by `1a093ef482` to be replaced with import("http://localhost:9090/pkg/pkg.js"), so that changes can be made in parallel to both the module and code that uses it (without any need for NPM publishing or even building of the package). Updates #5415 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
James Tucker	672c2c8de8	wgengine/magicsock: add filter to ignore disco to old/other ports Incoming disco packets are now dropped unless they match one of the current bound ports, or have a zero port. The BPF filter passes all packets with a disco header to the raw packet sockets regardless of destination port (in order to avoid needing to reconfigure BPF on rebind). If a BPF enabled node has just rebound, due to restart or rebind, it may receive and reply to disco ping packets destined for ports other than those which are presently bound. If the pong is accepted, the pinging node will now assume that it can send WireGuard traffic to the pinged port - such traffic will not reach the node as it is not destined for a bound port. The zero port is ignored, if received. This is a speculative defense and would indicate a problem in the receive path, or the BPF filter. This condition is allowed to pass as it may enable traffic to flow, however it will also enable problems with the same symptoms this patch otherwise fixes. Fixes #5536 Signed-off-by: James Tucker <james@tailscale.com>	2 years ago
James Tucker	be140add75	wgengine/magicsock: fix regression in initial bind for js `1f959edeb0` introduced a regression for JS where the initial bind no longer occurred at all for JS. The condition is moved deeper in the call tree to avoid proliferation of higher level conditions. Updates #5537 Signed-off-by: James Tucker <james@tailscale.com>	2 years ago
James Tucker	1f959edeb0	wgengine/magicksock: remove nullability of RebindingUDPConns Both RebindingUDPConns now always exist. the initial bind (which now just calls rebind) now ensures that bind is called for both, such that they both at least contain a blockForeverConn. Calling code no longer needs to assert their state. Signed-off-by: James Tucker <james@tailscale.com>	2 years ago
Brad Fitzpatrick	56f6fe204b	go.mod, wgengine/wgint: bump wireguard-go For `b51010ba13` Change-Id: Ibf767dfad98aef7e9f0505d91c0d26f924e046d5 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	2 years ago
Andrew Dunham	f52a659076	net/dnsfallback: allow setting log function (#5550 ) This broke a test in corp that enforces we don't use the log package. Signed-off-by: Andrew Dunham <andrew@tailscale.com>	2 years ago

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