tailscale

Commit Graph

Author	SHA1	Message	Date
Aleksandar Pesic	4224b3f731	control/controlclient: use API to get Windows version number Fixes #1478 Signed-off-by: Aleksandar Pesic <peske.nis@gmail.com>	3 years ago
Brad Fitzpatrick	2bc518dcb2	cmd/tailscaled, ipn/{ipnlocal,ipnserver}: let netstack get access to LocalBackend Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Aleksandar Pesic	25d2dd868b	wgengine/router: flushdns in windows when router config changes Fixes: https://github.com/tailscale/tailscale/issues/1430 Signed-off-by: Aleksandar Pesic <peske.nis@gmail.com>	3 years ago
Brad Fitzpatrick	d491adbf09	cmd/tailscaled: on Synology, fall back to netstack if needed Updates tailscale/tailscale-synology#35 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	c6358f2247	net/netcheck: add a few more STUN retries for prior DERP home For #1310, maybe. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	0a84359d2d	tailcfg, net/netcheck: let control mark "Avoid" bit on DERP regions So a region can be used if needed, but won't be STUN-probed or used as its home. This gives us another possible debugging mechanism for #1310, or can be used as a short-term measure against DERP flip-flops for people equidistant between regions if our hysteresis still isn't good enough. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	c81814e4f8	derp{,/derphttp},magicsock: tell DERP server when ping acks can be expected Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	f9f3b67f3a	wgengine{,tsdns}: rebind MagicDNS forwarders on link change Fixes #1480 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Crawshaw	bdb91a20eb	ipnstate, ipnlocal: add AuthURL to status Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
David Anderson	1bc3c03562	control/controlclient: allow for an unset linkMon. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	fa6110e47b	wgengine/router: don't touch interface routes Developed by a cast of dozens. Fixes #1448 Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	c576fea60e	wgengine/magicsock: delete unused WhoIs method that was moved elsewhere Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Anderson	0b66cfe1e0	control/controlclient: report broken IP forwarding more precisely. IP forwarding is not required when advertising a machine's local IPs over Tailscale. Fixes #1435. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	0430c2dd12	wgengine/tsdns: truncate Map.PrettyDiffFrom string at 1KB Hello's were painful. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	cc99059fc2	Revert "--advertise-routes option enabled in Mac tailscale CLI; it checks for IP forwarding enabled" This reverts commit `08949d4ef1`. I think this code was aspirational. There's no code that sets up the appropriate NAT code using pfctl/etc. See #911 and #1475. Updates #1475 Updates #911	3 years ago
David Anderson	bf0740b011	Merge branch 'main' of github.com:tailscale/tailscale into danderson/filter-privacy	3 years ago
David Anderson	a7f12a110a	wgengine/filter: only log packets to/from non-default routes. Fixes tailscale/corp#1429. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
David Anderson	d79a2f3809	wgengine/filter: only log packets to/from non-default routes. Fixes tailscale/corp#1429. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	ef7bac2895	tailcfg, net/portmapper, wgengine/magicsock: add NetInfo.HavePortMap Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	79d8288f0a	wgengine/magicsock, derp, derp/derphttp: respond to DERP server->client pings No server support yet, but we want Tailscale 1.6 clients to be able to respond to them when the server can do it. Updates #1310 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	66480755c2	cmd/tailscale/cli: document how to see subcommand usage From user feedback. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	387e83c8fe	wgengine/magicsock: fix Conn.Rebind race that let ErrClosed errors be read There was a logical race where Conn.Rebind could acquire the RebindingUDPConn mutex, close the connection, fail to rebind, release the mutex, and then because the mutex was no longer held, ReceiveIPv4 wouldn't retry reads that failed with net.ErrClosed, letting that error back to wireguard-go, which would then stop running that receive IP goroutine. Instead, keep the RebindingUDPConn mutex held for the entirety of the replacement in all cases. Updates tailscale/corp#1289 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	fee74e7ea7	net/interfaces, wgengine/monitor: fix false positives link changes interfaces.State.String tries to print a concise summary of the network state, removing any interfaces that don't have any or any interesting IP addresses. On macOS and iOS, for instance, there are a ton of misc things. But the link monitor based its are-there-changes decision on interfaces.State.Equal, which just used reflect.DeepEqual, including comparing all the boring interfaces. On macOS, when turning wifi on or off, there are a ton of misc boring interface changes, resulting in hitting an earlier check I'd added on suspicion this was happening: [unexpected] network state changed, but stringification didn't This fixes that by instead adding a new interfaces.State.RemoveUninterestingInterfacesAndAddresses method that does, uh, that. Then use that in the monitor. So then when Equal is used later, it's DeepEqualing the already-cleaned version with only interesting interfaces. This makes cmd/tailscaled debug --monitor much less noisy. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	d3e56aa979	cmd/tailscaled: fix monitor debug tool's output Logic was backwards, introduced in earlier monitor refactoring last week in `e3df29d488`. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Denton Gentry	04e72f95cc	wgengine/router: add OpenBSD IPv6 support. Similar to FreeBSD in https://github.com/tailscale/tailscale/issues/1307, add IPv6 addresses with a prefix length of 48. Fixes https://github.com/tailscale/tailscale/issues/1372 Signed-off-by: Denton Gentry <dgentry@tailscale.com>	3 years ago
Brad Fitzpatrick	c445e3d327	wgengine/magicsock: fix typo in comment	3 years ago
Aleksandar Pesic	258d0e8d9a	wgengine/monitor: simplify the Windows monitor to make it more reliable Updates tailscale/tailscale#1414 Signed-off-by: Aleksandar Pesic <peske.nis@gmail.com>	3 years ago
Naman Sood	4c80344e27	wgengine/netstack: stop UDP forwarding when one side dies Updates #504 Updates #707 Signed-off-by: Naman Sood <mail@nsood.in>	3 years ago
Naman Sood	7325b5a7ba	wgengine/netstack: add support for incoming UDP connections Updates #504 Updates #707 Signed-off-by: Naman Sood <mail@nsood.in>	3 years ago
Brad Fitzpatrick	43b30e463c	ipn/ipnserver: refactor permissions checks a bit, document more, fix Windows Windows was only running the localapi on the debug port which was a stopgap at the time while doing peercreds work. Removed that, and wired it up correctly, with some more docs. More clean-up to do after 1.6, moving the localhost TCP auth code into the peercreds package. But that's too much for now, so the docs will have to suffice, even if it's at a bit of an awkward stage with the newly-renamed "NotWindows" field, which still isn't named well, but it's better than its old name of "Unknown" which hasn't been accurate since unix sock peercreds work anyway. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Denton Gentry	bcea88da46	wgengine: support FreeBSD with IPv6. Fixes https://github.com/tailscale/tailscale/issues/1307 for keepsies. We cannot set the tun interface address as a /128 on FreeBSD, due to https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218508 Instead we set the interface address as a /48, which is enabled by commit `82edf94df7`. Signed-off-by: Denton Gentry <dgentry@tailscale.com>	3 years ago
Denton Gentry	c8af6bc009	Revert "freebsd: ignore IPv6 for now" This reverts commit `061422affc`. We have a way to support IPv6 on FreeBSD now. Signed-off-by: Denton Gentry <dgentry@tailscale.com>	3 years ago
Brad Fitzpatrick	f45a9e291b	tailcfg, control/controlclient: add MapResponse.PingRequest So the control server can test whether a client's actually present. Most clients are over HTTP/2, so these pings (to the same host) are super cheap. This mimics the earlier goroutine dump mechanism. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	e453c7ca57	safesocket: use right version of gofmt sigh Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	f11cb811cc	safesocket: support finding tailscale port/auth token from sandboxed CLI Previously the CLI could only find the HTTP auth token when running the CLI outside the sandbox, not like /Applications/Tailscale.app/Contents/MacOS/Tailscale when that was from the App Store. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	bc159dc689	cmd/tailscale: fix depaware.txt git fail. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	c136f48b79	cmd/tailscale/cli: restore hidden debug subcommand The debub subcommand was moved in `6254efb9ef` because the monitor brought in tons of dependencies to the cmd/tailscale binary, but there wasn't any need to remove the whole subcommand itself. Add it back, with a tool to dump the local daemon's goroutines. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	a4b585947d	ipn/localapi, client/tailscale: add a goroutine dump handler Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	1ca3e739f7	ipn/ipnserver: set PermitWrite on localapi handler The TODO was easy now with peerCreds and the isReadonlyConn func. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Steve Coffman	0d0fad43ed	build_docker.sh, Dockerfile: fix bug with shell quoting Fixes #1449 Signed-off-by: Steve Coffman <steve@khanacademy.org>	3 years ago
Brad Fitzpatrick	602f92ec30	wgengine/monitor: log warning if state changes but stringification doesn't Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	b14ea68754	net/interfaces: log why when we failed to look up gateway on macOS Not beautiful, but I'm debugging connectivity problems on NEProvider.sleep+wake and need more clues. Updates #1426 Updates tailscale/corp#1289 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	affd859121	ipn/ipnlocal, control/controlclient: propagate link monitor to controlclient Don't use it yet, but get it down there. Updates #1455 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	d37b3b02cd	net/dnsfallback: fix infinite loop and limit number of candidates Updates #1455 (fixes the DNS spin part, but other things aren't ideal there) Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Anderson	63a9adeb6c	portlist: collect IPv6 listening sockets on linux. This is important because some of those v6 sockets are actually dual-stacked sockets, so this is our only chance of discovering some services. Fixes #1443. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	82edf94df7	ipn/ipnlocal: make IPv6 OS routes be a single /48 for our ULA space And if we have over 10,000 CGNAT routes, just route the entire CGNAT range. (for the hello test server) Fixes #1450 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
Brad Fitzpatrick	a6d098c750	wgengine/magicsock: log when DERP connection succeeds Updates #1310	3 years ago
Brad Fitzpatrick	829eb8363a	net/interfaces: sort returned addresses from LocalAddresses Also change the type to netaddr.IP while here, because it made sorting easier. Updates tailscale/corp#1397 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago
David Anderson	ad6edf5ecd	portlist: report a better process name for .Net on linux. Fixes #1440. Signed-off-by: David Anderson <danderson@tailscale.com>	3 years ago
Brad Fitzpatrick	ffa70a617d	wgengine{,/monitor}: restore Engine.LinkChange, add Mon.InjectEvent The Engine.LinkChange method was recently removed in `e3df29d488` while misremembering how Android's link state mechanism worked. Rather than do some last minute rearchitecting of link state on Android before Tailscale 1.6, restore the old Engine.LinkChange hook for now so the Android client doesn't need any changes. But change how it's implemented to instead inject an event into the link monitor. Fixes #1427 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 years ago

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