tailscale

Commit Graph

Author	SHA1	Message	Date
Mihai Parparita	edc90ebc61	net/wsconn: remove homegrown wrapper for turning a websocket.Conn into a net.Conn The one from the nhooyr/websocket package seems to work equally well. Signed-off-by: Mihai Parparita <mihai@tailscale.com>	2 years ago
Mihai Parparita	a9f32656f5	control/controlhttp: allow client and server to communicate over WebSockets We can't do Noise-over-HTTP in Wasm/JS (because we don't have bidirectional communication), but we should be able to do it over WebSockets. Reuses derp WebSocket support that allows us to turn a WebSocket connection into a net.Conn. Updates #3157 Signed-off-by: Mihai Parparita <mihai@tailscale.com>	3 years ago
Brad Fitzpatrick	740e3c006c	cmd/derper: add --stun-port flag And flesh out docs on the --http-port flag. Change-Id: If9d42665f67409082081cb9a25ad74e98869337b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	a80cef0c13	cmd/derper: fix regression from bootstrap DNS optimization The commit `b9c92b90db` earlier today caused a regression of serving an empty map always, as it was JSON marshalling an atomic.Value instead of the DNS entries map it just built. Change-Id: I9da3eeca132c6324462dedeaa7d002908557384b Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Josh Bleecher Snyder	84046d6f7c	Revert "cmd/derper: stop setting content header in handleBootstrapDNS" Didn't help enough. We are setting another header anyway. Restore it. This reverts commit `60abeb027b`. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
Josh Bleecher Snyder	ec62217f52	cmd/derper: close connections once bootstrap DNS has been served Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
Josh Bleecher Snyder	60abeb027b	cmd/derper: stop setting content header in handleBootstrapDNS No one really cares. Its cost outweighs its usefulness. name old time/op new time/op delta HandleBootstrapDNS-10 105ns ± 4% 65ns ± 2% -37.68% (p=0.000 n=15+14) name old alloc/op new alloc/op delta HandleBootstrapDNS-10 416B ± 0% 0B -100.00% (p=0.000 n=15+15) name old allocs/op new allocs/op delta HandleBootstrapDNS-10 3.00 ± 0% 0.00 -100.00% (p=0.000 n=15+15) Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
Josh Bleecher Snyder	b9c92b90db	cmd/derper: optimize handleBootstrapDNS Do json formatting once, rather than on every request. Use an atomic.Value. name old time/op new time/op delta HandleBootstrapDNS-10 6.35µs ± 0% 0.10µs ± 4% -98.35% (p=0.000 n=14+15) name old alloc/op new alloc/op delta HandleBootstrapDNS-10 3.20kB ± 0% 0.42kB ± 0% -86.99% (p=0.000 n=12+15) name old allocs/op new allocs/op delta HandleBootstrapDNS-10 41.0 ± 0% 3.0 ± 0% -92.68% (p=0.000 n=15+15) Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
Josh Bleecher Snyder	e206a3663f	cmd/derper: add BenchmarkHandleBootstrapDNS Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
Joe Tsai	0173a50bf0	cmd/derper: add a rate limiter for accepting new connection (#3908 ) A large influx of new connections can bring down DERP since it spins off a new goroutine for each connection, where each routine may do significant amount of work (e.g., allocating memory and crunching numbers for TLS crypto). The momentary spike can cause the process to OOM. This commit sets the groundwork for limiting connections, but leaves the limit at infinite by default. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	3 years ago
Brad Fitzpatrick	fa612c28cf	cmd/derper: make --stun default to on, flesh out flag docs Change-Id: I49e80c61ab19e78e4c8b4bc9012bb70cfe3bfa75 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Anderson	f5ec916214	cmd/derper: disable TLS 1.0 and 1.1. Updates tailscale/corp#3568 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	508f332bb2	cmd/derper: export TLS vars with derper_ prefix, not stun_ Updates tailscale/corp#3568 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	ff3442d92d	cmd/derper: record TLS versions used for requests. Surveying the fleet prior to turning off old/unused/insecure TLS versions. Updates tailscale/corp#3615 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	b8ad90c2bf	cmd/derper: in manual cert mode, don't discard error from VerifyHostname Updates #3701 Change-Id: If8ca5104bd8221c99cc390ca49ee3401aff09b62 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Arnaud Dezandee	656809e4ee	cmd/derper: allow http port configuration Signed-off-by: Arnaud Dezandee <dezandee.arnaud@gmail.com>	3 years ago
David Anderson	db800ddeac	cmd/derper: set Content-Security-Policy on DERPs. It's a basic "deny everything" policy, since DERP's HTTP server is very uninteresting from a browser POV. But it stops every security scanner under the sun from reporting "dangerously configured" HTTP servers. Updates tailscale/corp#3119 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	9a217ec841	cmd/derper: increase HSTS cache lifetime to 2 years. Fixes #3373. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	937e96f43d	cmd/derper: enable HSTS when serving over HTTPS. Starting with a short lifetime, to verify nothing breaks. Updates #3373 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
oocococo	3a2b0fc36c	cmd/derper: support custom TLS port when in manual mode (#3231 ) Fixes #3232 Change-Id: I8dae5c01f9dfdfd6d45e34e4ca3534b642ae5c8e Signed-off-by: oocococo <mercurial.lx@gmail.com>	3 years ago
David Anderson	37c150aee1	derp: use new node key type. Update #3206 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	a47158e14d	cmd/derper: use new node key type. Updates #3206 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	b0b0a80318	net/netcheck: implement netcheck for js/wasm clients And the derper change to add a CORS endpoint for latency measurement. And a little magicsock change to cut down some log spam on js/wasm. Updates #3157 Change-Id: I5fd9e6f5098c815116ddc8ac90cbcd0602098a48 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	505f844a43	cmd/derper, derp/derphttp: add websocket support Updates #3157 Change-Id: I337a919a3b350bc7bd9af567b49c4d5d6616abdd Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	0be26599ca	cmd/derper: refactor STUN path for testing, add serverSTUN benchmark Real goal is to eliminate some allocs in the STUN path, but that requires work in the standard library. See comments in #2783. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	d5851d2e06	cmd/derper: fix real staticcheck failure from prior commit Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Silver Bullet	d8c5d00ecb	cmd/derper: support manual TLS certificate mode (#2793 ) Add a mode control for derp server, and add a "manual" mode to get derp server certificate. Under manual mode, certificate is searched in the directory given by "--cert-dir". Certificate should in PEM format, and use "hostname.{key,crt}" as filename. If no hostname is used, search by the hostname given for listen. Fixes #2794 Signed-off-by: SilverBut <SilverBut@users.noreply.github.com>	3 years ago
Brad Fitzpatrick	5d800152d9	cmd/derper: increase port 80's WriteTimeout to permit longer CPU profiles Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Chuangbo Li	e4e4d336d9	cmd/derper: listen on host of flag server addr for port 80 and 3478 (#2768 ) cmd/derper: listen on host of flag server addr for port 80 and 3478 When using custom derp on the server with multiple IP addresses, we would like to bind derp 80, 443 and stun 3478 to a certain IP. derp command provides flag `-a` to customize which address to bind for port 443. But port :80 and :3478 were hard-coded. Fixes #2767 Signed-off-by: Li Chuangbo <im@chuangbo.li>	3 years ago
Brad Fitzpatrick	7a7aa8f2b0	cmd/derper: also add port 80 timeouts Didn't notice this one in earlier `00b3c1c042` Updates tailscale/corp#2486 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	00b3c1c042	cmd/derper: add missing read/write timeouts Updates tailscale/corp#2486 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	d37451bac6	cmd/derper: dial VPC address with right context Fix bug from just-submitted `e422e9f4c9`. Updates #2414 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	e422e9f4c9	cmd/derper: mesh over VPC network Updates #2414 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
julianknodt	b67a3007d5	cmd/derper: remove default for non-root users Signed-off-by: julianknodt <julianknodt@gmail.com>	3 years ago
julianknodt	9d4eddcef8	cmd/derper: add default -c arguments This adds some convenient defaults for -c, so that user-provided DERPs require less command line flags. Signed-off-by: julianknodt <julianknodt@gmail.com>	3 years ago
Brad Fitzpatrick	61e8fd4698	cmd/derpprobe: move from cmd/derper/derpprobe Because our corp build system is confused by nested binaries. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	05da2691a5	cmd/derper/derpprobe: add derp prober Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
julianknodt	148602a89a	derp,cmd/derper: allow server to verify clients This adds a flag to the DERP server which specifies to verify clients through a local tailscaled. It is opt-in, so should not affect existing clients, and is mainly intended for users who want to run their own DERP servers. It assumes there is a local tailscaled running and will attempt to hit it for peer status information. Updates #1264 Signed-off-by: julianknodt <julianknodt@gmail.com>	3 years ago
julianknodt	3728634af9	derp: add debug traffic handler This adds a handler on the DERP server for logging bytes send and received by clients of the server, by holding open a connection and recording if there is a difference between the number of bytes sent and received. It sends a JSON marshalled object if there is an increase in the number of bytes. Signed-off-by: julianknodt <julianknodt@gmail.com>	3 years ago
David Anderson	0022c3d2e2	tsweb: replace NewMux with a more flexible DebugHandler. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	f68431fc02	cmd/derper: add /bootstrap-dns handler For option (d) of #1405. For an HTTPS request of /bootstrap-dns, this returns e.g.: { "log.tailscale.io": [ "2600:1f14:436:d603:342:4c0d:2df9:191b", "34.210.105.16" ], "login.tailscale.com": [ "2a05:d014:386:203:f8b4:1d5a:f163:e187", "3.121.18.47" ] } Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	99d67493be	cmd/derper: update a link from godoc.org to pkg.go.dev Save a redirect. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	741d654aa3	derp/derphttp: add a context and infoLogger option to RunWatchConnectionLoop	4 years ago
Brad Fitzpatrick	d6e9fb1df0	all: adjust Unix permissions for those without umasks Fixes tailscale/corp#1165 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	56a7652dc9	wgkey: new package This is a replacement for the key-related parts of the wireguard-go wgcfg package. This is almost a straight copy/paste from the wgcfg package. I have slightly changed some of the exported functions and types to avoid stutter, added and tweaked some comments, and removed some now-unused code. To avoid having wireguard-go depend on this new package, wgcfg will keep its key types. We translate into and out of those types at the last minute. These few remaining uses will be eliminated alongside the rest of the wgcfg package. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	01ee638cca	Change some os.IsNotExist to errors.Is(err, os.ErrNotExist) for non-os errors. os.IsNotExist doesn't unwrap errors. errors.Is does. The ioutil.ReadFile ones happened to be fine but I changed them so we're consistent with the rule: if the error comes from os, you can use os.IsNotExist, but from any other package, use errors.Is. (errors.Is always would also work, but not worth updating all the code) The motivation here was that we were logging about failure to migrate legacy relay node prefs file on startup, even though the code tried to avoid that. See golang/go#41122	4 years ago
David Anderson	54e6c3a290	version: use OSS repo's version when building. When building with redo, also include the git commit hash from the proprietary repo, so that we have a precise commit that identifies all build info (including Go toolchain version). Add a top-level build script demonstrating to downstream distros how to burn the right information into builds. Adjust `tailscale version` to print commit hashes when available. Fixes #841. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
Josh Bleecher Snyder	3fa863e6d9	cmd/derper: add missing html.EscapeString calls in /debug page Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Brad Fitzpatrick	e415991256	derp, derp/derphttp: remove one RTT from DERP setup * advertise server's DERP public key following its ServerHello * have client look for that DEPR public key in the response PeerCertificates * let client advertise it's going into a "fast start" mode if it finds it * modify server to support that fast start mode, just not sending the HTTP response header Cuts down another round trip, bringing the latency of being able to write our first DERP frame from SF to Bangalore from ~725ms (3 RTT) to ~481ms (2 RTT: TCP and TLS). Fixes #693 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Josh Bleecher Snyder	b23f2263c1	derp: add server version to /debug, expvars This will make it easier for a human to tell what version is deployed, for (say) correlating line numbers in profiles or panics to corresponding source code. It'll also let us observe version changes in prometheus. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago

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77 Commits (6246fa32f0b2e026a7ba3e4f8076ca6d18ad4f7b)