Commit Graph

3379 Commits

Author SHA1 Message Date
David Anderson
521b44e653 wgengine/magicsock: move discoKey fields to the mutex-protected section.
Fixes #3106

Signed-off-by: David Anderson <danderson@tailscale.com>
2021-10-18 10:49:24 -07:00
Maisem Ali
27799a1a96 wgengine: only use AmbientCaps on DSM7+
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-18 13:39:51 -04:00
Brad Fitzpatrick
a6d02dc122 wgengine/magicsock: track which NodeKey each DiscoKey was last for
This adds new fields (currently unused) to discoInfo to track what the
last verified (unambiguous) NodeKey a DiscoKey last mapped to, and
when.

Then on CallMeMaybe, Pong and on most Pings, we update the mapping
from DiscoKey to the current NodeKey for that DiscoKey.

Updates #3088

Change-Id: Idc4261972084dec71cf8ec7f9861fb9178eb0a4d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-18 09:55:02 -07:00
Brad Fitzpatrick
c759fcc7d3 wgengine/magicsock: fix data race with sync.Pool in error+logging path
Fixes #3122

Change-Id: Ib52e84f9bd5813d6cf2e80ce5b2296912a48e064
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-17 17:27:57 -07:00
Brad Fitzpatrick
75a7779b42 disco, wgengine/magicsock: send self node key in disco pings
This lets clients quickly (sub-millisecond within a local LAN) map
from an ambiguous disco key to a node key without waiting for a
CallMeMaybe (over relatively high latency DERP).

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-17 10:24:07 -07:00
Joe Tsai
9af27ba829 cmd/cloner: mangle "go:generate" in cloner.go
The "go generate" command blindly looks for "//go:generate" anywhere
in the file regardless of whether it is truly a comment.
Prevent this false positive in cloner.go by mangling the string
to look less like "//go:generate".

Signed-off-by: Joe Tsai <joetsai@digital-static.net>
2021-10-16 17:53:43 -07:00
Denton Gentry
def650b3e8 wgengine/magicsock: don't Rebind after STUN error if closed.
https://github.com/tailscale/tailscale/pull/3014 added a
rebind on STUN failure, which means there can now be a
tailscale.com/wgengine/magicsock.(*RebindingUDPConn).ReadFromNetaddr
in progress at the end of the test waiting for a STUN
response which will never arrive.

This causes a test flake due to the resource leak in those
cases where the Conn decided to rebind. For whatever reason,
it mostly flakes with Windows.

If the Conn is closed, don't Rebind after a send error.

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
2021-10-16 17:22:13 -07:00
Brad Fitzpatrick
f55c2bccf5 wgengine/magicsock: don't call setAddrToDiscoLocked on DERP ping
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-16 07:43:48 -07:00
Brad Fitzpatrick
569f70abfd wgengine/magicsock: finish some renamings of discoEndpoint to endpoint
Renames only; continuation of earlier 8049063d35

These kept confusing me while working on #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 22:26:07 -07:00
Brad Fitzpatrick
695df497ba wgengine/magicsock: delete peerMap.endpointForDiscoKey, remove remaining caller
The one remaining caller of peerMap.endpointForDiscoKey was making the
improper assumption that there's exactly 1 node with a given DiscoKey
in the network. That was the cause of #3088.

Now that all the other callers have been updated to not use
endpointForDiscoKey, there's no need to try to keep maintaining that
prone-to-misuse index.

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 22:19:27 -07:00
Brad Fitzpatrick
04fd94acd6 wgengine/magicsock: remove endpointForDiscoKey call from handleDiscoMessage
A DiscoKey maps 1:n to endpoints. When we get a disco pong, we don't
necessarily know which endpoint sent it to us. Ask them all. There
will only usually be 1 (and in rare circumstances 2). So it's easier
to ask all two rather than building new maps from the random ping TxID
to its endpoint.

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 21:59:15 -07:00
Brad Fitzpatrick
151b4415ca wgengine/magicsock: remove endpoint parameter from handlePingLocked
We can reply to a ping without knowing which exact node it's from.  As
long as it's in our netmap, it's safe to reply. If there's more than
one node with that discokey, it doesn't matter who we're relpying to.

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 21:44:52 -07:00
Brad Fitzpatrick
d86081f353 wgengine/magicsock: add new discoInfo type for DiscoKey state, move some fields
As more prep for removing the false assumption that you're able to
map from DiscoKey to a single peer, move the lastPingFrom and lastPingTime
fields from the endpoint type to a new discoInfo type, effectively upgrading
the old sharedDiscoKey map (which only held a *[32]byte nacl precomputed key
as its value) to discoInfo which then includes that naclbox key.

Then start plumbing it into handlePing in prep for removing the need
for handlePing to take an endpoint parameter.

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 20:48:44 -07:00
Brad Fitzpatrick
e5779f019e wgengine/magicsock: move temporary endpoint lookup later, add TODO to remove
Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 19:22:30 -07:00
Brad Fitzpatrick
36a07089ee wgengine/magicsock: remove redundant/wrong sharedDiscoKey delete
The pass just after in this method handles cleaning up sharedDiscoKey.
No need to do it wrong (assuming DiscoKey => 1 node) earlier.

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 16:57:59 -07:00
Brad Fitzpatrick
3e80806804 wgengine/magicsock: pass src NodeKey to handleDiscoMessage for DERP disco msgs
And then use it to avoid another lookup-by-DiscoKey.

Updates #3088
2021-10-15 16:52:42 -07:00
Brad Fitzpatrick
82fa15fa3b wgengine/magicsock: start removing endpointForDiscoKey
It's not valid to assume that a discokey is globally unique.

This removes the first two of the four callers.

Updates #3088

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-15 16:44:02 -07:00
Maisem Ali
7817ab6b20 net/dns/resolver: set maxDoHInFlight to 1000 on iOS 15+.
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-14 23:29:23 -04:00
Maisem Ali
2662a1c98c hostinfo: add EnvType for Kubernetes
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-14 23:02:26 -04:00
Felipe Cruz Martinez
47ace13ac8 Fix k8s README
Use the correct KUBE_SECRET value
2021-10-14 19:12:48 -04:00
Maisem Ali
c6d3f622e9 ipn/ipnlocal: use netaddr.IPSetBuilder when constructing list of interface IPPrefixes.
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-14 18:53:54 -04:00
Maisem Ali
e538d47bd5 docs/k8s: update run.sh to use the correct socket path
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-14 18:09:12 -04:00
Brad Fitzpatrick
4a3e2842d9 net/interfaces: add List, GetList
And start moving funcs to methods on List.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-14 15:06:12 -07:00
Brad Fitzpatrick
14f9c75293 wgengine/router: ignore Linux ip route error adding dup route
Updates #3060
Updates #391

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-14 14:00:45 -07:00
Brad Fitzpatrick
ddf3394b40 ipn/ipnlocal: don't try to block localhost traffic when using exit nodes
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-14 14:00:45 -07:00
David Crawshaw
77696579f5 net/dns/resolver: drop dropping log
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
2021-10-14 13:58:24 -07:00
Brad Fitzpatrick
7742caef0a .github/workflows: always ignore go:generate dnsfallback check
Keep the now-redundant github.ref branch check for
the future, in case we want to change the policy for main vs
release-branch again later. Save somebody the YAML debugging
time.
2021-10-14 13:57:02 -07:00
Joe Tsai
2fa004a2a0
cmd/cloner: emit go:generate pragmas (#3082)
Emit a go:generate pragma with the full set of flags passed to cloner.
This allows the user to simply run "go generate" at the location
of the generate file to reproduce the file.

Signed-off-by: Joe Tsai <joetsai@digital-static.net>
2021-10-14 12:25:55 -07:00
Brad Fitzpatrick
676fb458c3 net/dns/resolver: make hasRDNSBonjourPrefix match shorter queries too
Fixes tailscale/corp#2886
Updates tailscale/corp#2820
Updates #2442

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-13 15:49:45 -07:00
Maisem Ali
a6c3de72d6 docs/k8s: use ghcr.io for base image
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-13 17:55:14 -04:00
Brad Fitzpatrick
751c42c097 ipn: fix formatting of ExitNodeIP in MaskedPrefs
%#v on a netaddr.IP showed the netaddr.IP innards.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-13 14:52:50 -07:00
Maisem Ali
9ab8492694 docker: install ip6tables
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-13 17:34:23 -04:00
Maisem Ali
45d4adcb63 docs/k8s: use tailscale/tailscale as base image
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-13 15:34:44 -04:00
Maisem Ali
061dab5d61 docker: only add tailscale and tailscaled binaries
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-13 14:43:29 -04:00
Maisem Ali
2c403cbb31 docs/k8s: add instructions on how to run as a sidecar or a proxy.
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-13 13:26:53 -04:00
nicksherron
f01ff18b6f all: fix spelling mistakes
Signed-off-by: nicksherron <nsherron90@gmail.com>
2021-10-12 21:23:14 -07:00
Maya Kaczorowski
9795fca946
.github: change issue checkboxes to dropdown 2021-10-12 20:58:33 -07:00
Maya Kaczorowski
7dbb1b51fe .github: change issue checkboxes to dropdown
Signed-off-by: Maya Kaczorowski <15946341+mayakacz@users.noreply.github.com>
2021-10-12 20:49:26 -07:00
Maisem Ali
c121fa81c4 tsnet: add TLS and LetsEncrypt example.
Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-10-12 15:31:18 -07:00
Aaron Klotz
1991a1ac6a net/tstun: update tun_windows for wintun 0.14 API revisions, update wireguard-go dependency to 82d2aa87aa623cb5143a41c3345da4fb875ad85d
Signed-off-by: Aaron Klotz <aaron@tailscale.com>
2021-10-12 16:07:46 -06:00
Maxime VISONNEAU
4528f448d6 ipn/store/aws, cmd/tailscaled: add AWS SSM ipn.StateStore implementation
From https://github.com/tailscale/tailscale/pull/1919 with
edits by bradfitz@.

This change introduces a new storage provider for the state file. It
allows users to leverage AWS SSM parameter store natively within
tailscaled, like:

    $ tailscaled --state=arn:aws:ssm:eu-west-1:123456789:parameter/foo

Known limitations:
- it is not currently possible to specific a custom KMS key ID

RELNOTE=tailscaled on Linux supports using AWS SSM for state

Edits-By: Brad Fitzpatrick <bradfitz@tailscale.com>
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Signed-off-by: Maxime VISONNEAU <maxime.visonneau@gmail.com>
2021-10-12 13:51:13 -07:00
Maya Kaczorowski
1b20d1ce54
Dockerfile, build_docker: change Docker warning 2021-10-12 13:21:51 -07:00
apenwarr
5b06c50669 Bug report template: remove empty 'title' field.
Mysteriously, GitHub can't parse it if it's an empty string rather than
just missing.

Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
2021-10-13 04:38:28 +09:00
Maya Kaczorowski
525f15bf81 Dockerfile, build_docker: change Docker warning
Signed-off-by: Maya Kaczorowski <15946341+mayakacz@users.noreply.github.com>
2021-10-12 12:27:39 -07:00
Avery Pennarun
9c3ae750da Bug template: remove "[Bug]: " prefix for the common case.
Also shorten "[FR]:" to "FR:" to save precious subject line space.

I don't mind a prefix to distinguish feature requests, but the majority
of cases are bugs. Let's preserve as many chars as possible for the
specific topic when looking at subject lines in gmail.

(Now, if only it wouldn't include [tailscale/tailscale] on every
message...)

Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
2021-10-13 04:14:59 +09:00
Smitty
b382161fe5 tsdns: don't forward transient DNS errors
When a DNS server claims to be unable or unwilling to handle a request,
instead of passing that refusal along to the client, just treat it as
any other error trying to connect to the DNS server. This prevents DNS
requests from failing based on if a server can respond with a transient
error before another server is able to give an actual response. DNS
requests only failing *sometimes* is really hard to find the cause of
(#1033).

Signed-off-by: Smitty <me@smitop.com>
2021-10-12 09:35:25 -04:00
Brad Fitzpatrick
92215065eb cmd/derpprobe: fix fmt bug
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-11 20:27:31 -07:00
Brad Fitzpatrick
13ef8e3c06 cmd/derpprobe: also do UDP STUN probing
Updates #3049

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-11 20:25:14 -07:00
Brad Fitzpatrick
a2e1e5d909 go.mod: bump go-ole for windows/arm64 support
Updates #2606

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-10-11 08:48:25 -07:00
Denton Gentry
5d6198adee netcheck: don't log ErrGatewayRange
"skipping portmap; gateway range likely lacks support" is really
spammy on cloud systems, and not very useful in debugging.

Fixes https://github.com/tailscale/tailscale/issues/3034

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
2021-10-10 10:47:03 -07:00