Commit Graph

8182 Commits

Author SHA1 Message Date
Andrew Lytvynov
2716250ee8
all: cleanup unused code, part 2 (#10670)
And enable U1000 check in staticcheck.

Updates #cleanup

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2023-12-21 17:40:03 -08:00
Nick Khyl
c9836b454d net/netmon: fix goroutine leak in winMon if the monitor is never started
When the portable Monitor creates a winMon via newOSMon, we register
address and route change callbacks with Windows. Once a callback is hit,
it starts a goroutine that attempts to send the event into messagec and returns.
The newly started goroutine then blocks until it can send to the channel.
However, if the monitor is never started and winMon.Receive is never called,
the goroutines remain indefinitely blocked, leading to goroutine leaks and
significant memory consumption in the tailscaled service process on Windows.
Unlike the tailscaled subprocess, the service process creates but never starts
a Monitor.

This PR adds a check within the callbacks to confirm the monitor's active status,
and exits immediately if the monitor hasn't started.

Updates #9864

Signed-off-by: Nick Khyl <nickk@tailscale.com>
2023-12-21 16:36:52 -06:00
Andrew Lytvynov
2e956713de
safesocket: remove ConnectionStrategy (#10662)
This type seems to be a migration shim for TCP tailscaled sockets
(instead of unix/windows pipes). The `port` field was never set, so it
was effectively used as a string (`path` field).
Remove the whole type and simplify call sites to pass the socket path
directly to `safesocket.Connect`.

Updates #cleanup

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2023-12-21 12:55:14 -08:00
Andrew Lytvynov
1302bd1181
all: cleanup unused code, part 1 (#10661)
Run `staticcheck` with `U1000` to find unused code. This cleans up about
a half of it. I'll do the other half separately to keep PRs manageable.

Updates #cleanup

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2023-12-20 14:50:30 -08:00
Andrew Dunham
3c333f6341 net/portmapper: add logs about obtained mapping(s)
This logs additional information about what mapping(s) are obtained
during the creation process, including whether we return an existing
cached mapping.

Updates #10597

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I9ff25071f064c91691db9ab0b9365ccc5f948d6e
2023-12-20 17:19:08 -05:00
David Crawshaw
f815d66a88 api.md: add docs for setting an IP address
Updates tailscale/corp#16453

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
2023-12-20 12:59:17 -08:00
Andrew Dunham
01286af82b net/interfaces: better handle multiple interfaces in LikelyHomeRouterIP
Currently, we get the "likely home router" gateway IP and then iterate
through all IPs for all interfaces trying to match IPs to determine the
source IP. However, on many platforms we know what interface the gateway
is through, and thus we don't need to iterate through all interfaces
checking IPs. Instead, use the IP address of the associated interface.

This better handles the case where we have multiple interfaces on a
system all connected to the same gateway, and where the first interface
that we visit (as iterated by ForeachInterfaceAddress) isn't also the
default internet route.

Updates #8992

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I8632f577f1136930f4ec60c76376527a19a47d1f
2023-12-20 15:33:58 -05:00
Andrew Lytvynov
7a2eb22e94
ipn: remove use of reflect.MethodByName (#10652)
Using reflect.MethodByName disables some linked deadcode optimizations
and makes our binaries much bigger.
Difference before/after this commit:
```
-rwxr-xr-x  1 awly awly  30M Dec 19 15:28 tailscaled.after*
-rwxr-xr-x  1 awly awly  43M Dec 19 15:27 tailscaled.before*
```

Fixes #10627

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2023-12-20 07:12:26 -08:00
Andrew Dunham
09136e5995
net/netutil: add function to check rp_filter value (#5703)
Updates #4432


Change-Id: Ifc332a5747fc1feffdbb87437308cf8ecb21b0b0

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
2023-12-20 00:02:37 -05:00
Paul Scott
65f2d32300 api.md: add device.postureIdentity field
Updates tailscale/corp#15445

Signed-off-by: Paul Scott <paul@tailscale.com>
2023-12-19 22:01:20 +00:00
Paul Scott
03f22cd9fa client/tailscale: add Device.PostureIdentity field
New API fields being added in tailscale/corp#15445.

Updates tailscale/corp#15203

Signed-off-by: Paul Scott <paul@tailscale.com>
2023-12-19 22:01:20 +00:00
Nick Khyl
5e3126f510 tool/gocross: make all Windows DLLs build with static libgcc
In this commit, we have updated the build process for our Windows DLLs
to link statically with libgcc, ensuring our Windows DLLs are self-contained.

Updates #10617

Signed-off-by: Nick Khyl <nickk@tailscale.com>
2023-12-19 15:10:28 -06:00
James Tucker
0957258f84 appc,ipn: prevent undesirable route advertisements
Individual route advertisements that are covered by existing routes are
no longer advertised. If an upstream returns 0.0.0.0, 127.x, and other
common unwanted addresses those are also rejected.

Updates #16425
Signed-off-by: James Tucker <james@tailscale.com>
2023-12-19 10:33:25 -08:00
Gavin Greenwalt
865ee25a57
cmd/tailscale/cli: update debug.go (#10644)
redundant run "portmap debugging" word 'debugging'

Signed-off-by: Gavin Greenwalt <gavin@sfstudios.com>
2023-12-19 11:29:52 -05:00
Andrew Dunham
a661287c4b util/cmpx: remove code that's in the stdlib now
The cmpx.Compare function (and associated interface) are now available
in the standard library as cmp.Compare. Remove our version of it and use
the version from the standard library.

Updates #cleanup

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I4be3ac63d466c05eb7a0babb25cb0d41816fbd53
2023-12-19 09:18:53 -05:00
Andrew Lytvynov
945cf836ee
ipn: apply tailnet-wide default for auto-updates (#10508)
When auto-update setting in local Prefs is unset, apply the tailnet
default value from control. This only happens once, when we apply the
default (or when the user manually overrides it), tailnet default no
longer affects the node.

Updates #16244

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
2023-12-18 14:57:03 -08:00
Andrew Dunham
d05a572db4 net/portmapper: handle multiple UPnP discovery responses
Instead of taking the first UPnP response we receive and using that to
create port mappings, store all received UPnP responses, sort and
deduplicate them, and then try all of them to obtain an external
address.

Updates #10602

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I783ccb1834834ee2a9ecbae2b16d801f2354302f
2023-12-18 16:02:46 -05:00
Irbe Krumina
38b4eb9419
cmd/k8s-operator/deploy/chart: document passing multiple proxy tags + log level values (#10624)
Updates #cleanup

Signed-off-by: Irbe Krumina <irbe@tailscale.com>
2023-12-18 10:28:06 +00:00
Flakes Updater
dc2792aaee go.mod.sri: update SRI hash for go.mod changes
Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>
2023-12-15 22:48:28 -08:00
as2643
3fb6ee7fdb
tailscale/logtail: redact public ipv6 and ipv4 ip addresses within tailscaled. (#10531)
Updates #15664

Signed-off-by: Anishka Singh <anishkasingh66@gmail.com>
2023-12-15 15:15:49 -08:00
James Tucker
3a635db06e cmd/connector-gen: add helper tool for wide app connector configurations
connector-gen can initially generate connector ACL snippets and
advertise-routes flags for Github and AWS based on their public IP /
domain data.

Updates ENG-2425
Signed-off-by: James Tucker <james@tailscale.com>
2023-12-15 09:29:42 -08:00
James Tucker
706e30d49e disco: correct noun for nacl box type in disco docs
Updates #cleanup

Signed-off-by: James Tucker <james@tailscale.com>
2023-12-14 16:41:53 -08:00
Sonia Appasamy
c6a274611e client/web: use Tailscale IP known by peer node
Throughout the web UI, we present the tailscale addresses for the
self node. In the case of the node being shared out with a user
from another tailnet, the peer viewer may actually know the node
by a different IP than the node knows itself as (Tailscale IPs
can be configured as desired on a tailnet level). This change
includes two fixes:

1. Present the self node's addresses in the frontend as the addresses
   the viewing node knows it as (i.e. the addresses the viewing node
   uses to access the web client).

2. We currently redirect the viewer to the Tailscale IPv4 address if
   viewing it by MagicDNS name, or any other name that maps to the
   Tailscale node. When doing this redirect, which is primarily added
   for DNS rebinding protection, we now check the address the peer
   knows this node as, and redirect to specifically that IP.

Fixes tailscale/corp#16402

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-14 16:36:33 -05:00
Jordan Whited
685b853763
wgengine/magicsock: fix handling of derp.PeerGoneMessage (#10589)
The switch in Conn.runDerpReader() on the derp.ReceivedMessage type
contained cases other than derp.ReceivedPacket that fell through to
writing to c.derpRecvCh, which should only be reached for
derp.ReceivedPacket. This can result in the last/previous
derp.ReceivedPacket to be re-handled, effectively creating a duplicate
packet. If the last derp.ReceivedPacket happens to be a
disco.CallMeMaybe it may result in a disco ping scan towards the
originating peer on the endpoints contained.

The change in this commit moves the channel write on c.derpRecvCh and
subsequent select awaiting the result into the derp.ReceivedMessage
case, preventing it from being reached from any other case. Explicit
continue statements are also added to non-derp.ReceivedPacket cases
where they were missing, in order to signal intent to the reader.

Fixes #10586

Signed-off-by: Jordan Whited <jordan@tailscale.com>
2023-12-14 12:54:19 -08:00
Andrew Dunham
3ae562366b ipn/ipnlocal: fix usage of slices.Compact
Fixes #10595

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I4e96e9c43b8dedb5f88b03368c01b0e46723e15b
2023-12-14 14:11:21 -05:00
Irbe Krumina
1a08ea5990
cmd/k8s-operator: operator can create subnetrouter (#9505)
* k8s-operator,cmd/k8s-operator,Makefile,scripts,.github/workflows: add Connector kube CRD.

Connector CRD allows users to configure the Tailscale Kubernetes operator
to deploy a subnet router to expose cluster CIDRs or
other CIDRs available from within the cluster
to their tailnet.

Also adds various CRD related machinery to
generate CRD YAML, deep copy implementations etc.

Engineers will now have to run
'make kube-generate-all` after changing kube files
to ensure that all generated files are up to date.

* cmd/k8s-operator,k8s-operator: reconcile Connector resources

Reconcile Connector resources, create/delete subnetrouter resources in response to changes to Connector(s).

Connector reconciler will not be started unless
ENABLE_CONNECTOR env var is set to true.
This means that users who don't want to use the alpha
Connector custom resource don't have to install the Connector
CRD to their cluster.
For users who do want to use it the flow is:
- install the CRD
- install the operator (via Helm chart or using static manifests).
For Helm users set .values.enableConnector to true, for static
manifest users, set ENABLE_CONNECTOR to true in the static manifest.

Updates tailscale/tailscale#502


Signed-off-by: Irbe Krumina <irbe@tailscale.com>
2023-12-14 13:51:59 +00:00
Chris Palmer
b62a3fc895
client/web: keep redirects on-site (#10525)
Ensure we don't create Location: header URLs that have leading //, which is a
schema-less reference to arbitrary 3rd-party sites. That is, //example.com/foo
redirects off-site, while /example.com/foo is an on-site path URL.

Fixes tailscale/corp#16268

Signed-off-by: Chris Palmer <cpalmer@tailscale.com>
2023-12-13 14:28:50 -08:00
Andrew Dunham
727acf96a6 net/netcheck: use DERP frames as a signal for home region liveness
This uses the fact that we've received a frame from a given DERP region
within a certain time as a signal that the region is stil present (and
thus can still be a node's PreferredDERP / home region) even if we don't
get a STUN response from that region during a netcheck.

This should help avoid DERP flaps that occur due to losing STUN probes
while still having a valid and active TCP connection to the DERP server.

RELNOTE=Reduce home DERP flapping when there's still an active connection

Updates #8603

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: If7da6312581e1d434d5c0811697319c621e187a0
2023-12-13 16:33:46 -05:00
Andrew Dunham
bac4890467 net/portmapper: be smarter about selecting a UPnP device
Previously, we would select the first WANIPConnection2 (and related)
client from the root device, without any additional checks. However,
some routers expose multiple UPnP devices in various states, and simply
picking the first available one can result in attempting to perform a
portmap with a device that isn't functional.

Instead, mimic what the miniupnpc code does, and prefer devices that are
(a) reporting as Connected, and (b) have a valid external IP address.
For our use-case, we additionally prefer devices that have an external
IP address that's a public address, to increase the likelihood that we
can obtain a direct connection from peers.

Finally, we split out fetching the root device (getUPnPRootDevice) from
selecting the best service within that root device (selectBestService),
and add some extensive tests for various UPnP server behaviours.

RELNOTE=Improve UPnP portmapping when multiple UPnP services exist

Updates #8364

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I71795cd80be6214dfcef0fe83115a5e3fe4b8753
2023-12-13 16:32:29 -05:00
Sonia Appasamy
971fa8dc56 VERSION.txt: this is v1.57.0
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-13 15:30:30 -05:00
Flakes Updater
e00141ccbe go.mod.sri: update SRI hash for go.mod changes
Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>
2023-12-13 11:30:42 -08:00
OSS Updater
e78cb9aeb3 go.mod: update web-client-prebuilt module
Signed-off-by: OSS Updater <noreply+oss-updater@tailscale.com>
2023-12-13 12:42:45 -05:00
Sonia Appasamy
4fb679d9cd client/web: fix redirect logic when accessing login client over TS IP
Was previously failing to redirect to the manage client when accessing
the login client with the Tailscale IP.

Updates #10261
Fixes tailscale/corp#16348

Co-authored-by: Will Norris <will@tailscale.com>
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-13 12:22:06 -05:00
Anton Tolchanov
869b34ddeb prober: log HTTP response body on failure
Signed-off-by: Anton Tolchanov <anton@tailscale.com>
2023-12-13 14:30:16 +00:00
Andrea Barisani
affe11c503 net/netcheck: only run HTTP netcheck for tamago clients
Signed-off-by: Andrea Barisani <andrea@inversepath.com>
2023-12-13 05:28:03 -08:00
Flakes Updater
3ba5fd4baa go.mod.sri: update SRI hash for go.mod changes
Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>
2023-12-12 18:38:39 -08:00
OSS Updater
be19262cc5 go.mod: update web-client-prebuilt module
Signed-off-by: OSS Updater <noreply+oss-updater@tailscale.com>
2023-12-12 21:29:26 -05:00
Charlotte Brandhorst-Satzkorn
7370f3e3a7 words: some stellar additions
Don't get too starry-eyed reviewing these.

Updates tailscale/corp#14698

Signed-off-by: Charlotte Brandhorst-Satzkorn <charlotte@tailscale.com>
2023-12-12 17:35:48 -08:00
Sonia Appasamy
77f5d669fa client/web: fix key expiry text when expiry disabled
Displays "No expiry" when disabled.

Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-12 17:38:35 -05:00
Sonia Appasamy
06af3e3014 client/web: only add cache header for assets
Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-12 15:51:22 -05:00
Flakes Updater
808f19bf01 go.mod.sri: update SRI hash for go.mod changes
Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>
2023-12-12 12:41:09 -08:00
OSS Updater
afe138f18d go.mod: update web-client-prebuilt module
Signed-off-by: OSS Updater <noreply+oss-updater@tailscale.com>
2023-12-12 15:38:14 -05:00
Sonia Appasamy
dd0279a6c9 client/web: fix ts connection check
Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-12 15:10:30 -05:00
Flakes Updater
8c2fcef453 go.mod.sri: update SRI hash for go.mod changes
Signed-off-by: Flakes Updater <noreply+flakes-updater@tailscale.com>
2023-12-12 11:39:12 -08:00
Sonia Appasamy
343f4e4f26 client/web: refresh auth after syno login
Makes sure we refresh auth state after synology auth has run.

Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-12 13:41:54 -05:00
Will Norris
1b7d289fad client/web: add debug card to details page
Add a new "Debug" card at the bottom of the details page. It's maybe
premature to add a separate card for this, since all it currently lists
is whether the device is using TUN mode and (for Synology) the DSM
version. But I think it may be helpful to add client connectivity data
(like shown on admin console machine page) as well as a bug report
button.  Those can come soon after the 1.56 launch.

Updates #10261

Signed-off-by: Will Norris <will@tailscale.com>
2023-12-12 10:18:28 -08:00
OSS Updater
552b1ad094 go.mod: update web-client-prebuilt module
Signed-off-by: OSS Updater <noreply+oss-updater@tailscale.com>
2023-12-12 11:44:25 -05:00
Sonia Appasamy
1aee6e901d client/web: use prefs.ControlURLOrDefault from controlSupportsCheckMode
To be safe, use `prefs.ControlURLOrDefault()` rather than the current
`prefs.ControlURL` directly.

Updates #10261

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
2023-12-12 11:03:58 -05:00
Irbe Krumina
0cdc8e20d6
util/linuxfw: return created chain (#10563)
Ensure that if getOrCreateChain creates a new chain, it actually returns the created chain

Updates tailscale/tailscale#10399

Signed-off-by: Irbe Krumina <irbe@tailscale.com>
2023-12-12 15:55:02 +00:00
Will Norris
d2fbdb005d client/web: use CSP hash for inline javascript
Calculate and set the hash of the one inline script we have in
index.html. That script is unlikely to change, so hardcoding the hash
seems fine for now.

Updates #10261
Updates tailscale/corp#16266

Signed-off-by: Will Norris <will@tailscale.com>
2023-12-11 20:22:56 -08:00