Commit Graph

576 Commits (da3cf121947725342ac671d5afd4d8f2d526ff39)

Author SHA1 Message Date
Brad Fitzpatrick 69f4b4595a wgengine{,/wgint}: add wgint.Peer wrapper type, add to wgengine.Engine
This adds a method to wgengine.Engine and plumbed down into magicsock
to add a way to get a type-safe Tailscale-safe wrapper around a
wireguard-go device.Peer that only exposes methods that are safe for
Tailscale to use internally.

It also removes HandshakeAttempts from PeerStatusLite that was just
added as it wasn't needed yet and is now accessible ala cart as needed
from the Peer type accessor.

None of this is used yet.

Updates #7617

Change-Id: I07be0c4e6679883e6eeddf8dbed7394c9e79c5f4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
9 months ago
Nick Khyl 7ef1fb113d cmd/tailscaled, ipn/ipnlocal, wgengine: shutdown tailscaled if wgdevice is closed
Tailscaled becomes inoperative if the Tailscale Tunnel wintun adapter is abruptly removed.
wireguard-go closes the device in case of a read error, but tailscaled keeps running.
This adds detection of a closed WireGuard device, triggering a graceful shutdown of tailscaled.
It is then restarted by the tailscaled watchdog service process.

Fixes #11222

Signed-off-by: Nick Khyl <nickk@tailscale.com>
9 months ago
Percy Wegmann 50fb8b9123 tailfs: replace webdavfs with reverse proxies
Instead of modeling remote WebDAV servers as actual
webdav.FS instances, we now just proxy traffic to them.
This not only simplifies the code, but it also allows
WebDAV locking to work correctly by making sure locks are
handled by the servers that need to (i.e. the ones actually
serving the files).

Updates tailscale/corp#16827

Signed-off-by: Percy Wegmann <percy@tailscale.com>
9 months ago
Andrew Dunham 52f16b5d10 doctor/ethtool, ipn/ipnlocal: add ethtool bugreport check
Updates #11137

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: Idbe862d80e428adb044249c47d9096b87f29d5d8
9 months ago
Brad Fitzpatrick 61a1644c2a go.mod, all: move away from inet.af domain seized by Taliban
Updates inetaf/tcpproxy#39

Change-Id: I7fee276b116bd08397347c6c949011d76a2842cf
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
10 months ago
Percy Wegmann 55b372a79f tailscaled: revert to using pointers for subcommands
As part of #10631, we stopped using function pointers for subcommands,
preventing us from registering platform-specific installSystemDaemon
and uninstallSystemDaemon subcommands.

Fixes #11099

Signed-off-by: Percy Wegmann <percy@tailscale.com>
10 months ago
Percy Wegmann 87154a2f88 tailfs: fix startup issues on windows
Starts TailFS for Windows too, initializes shares on startup.

Updates tailscale/corp#16827

Signed-off-by: Percy Wegmann <percy@tailscale.com>
10 months ago
Percy Wegmann abab0d4197 tailfs: clean up naming and package structure
- Restyles tailfs -> tailFS
- Defines interfaces for main TailFS types
- Moves implemenatation of TailFS into tailfsimpl package

Updates tailscale/corp#16827

Signed-off-by: Percy Wegmann <percy@tailscale.com>
10 months ago
James Tucker 24bac27632 util/rands: add Shuffle and Perm functions with on-stack RNG state
The new math/rand/v2 package includes an m-local global random number
generator that can not be reseeded by the user, which is suitable for
most uses without the RNG pools we have in a number of areas of the code
base.

The new API still does not have an allocation-free way of performing a
seeded operations, due to the long term compiler bug around interface
parameter escapes, and the Source interface.

This change introduces the two APIs that math/rand/v2 can not yet
replace efficiently: seeded Perm() and Shuffle() operations. This
implementation chooses to use the PCG random source from math/rand/v2,
as with sufficient compiler optimization, this source should boil down
to only two on-stack registers for random state under ideal conditions.

Updates #17243

Signed-off-by: James Tucker <james@tailscale.com>
10 months ago
Percy Wegmann 993acf4475 tailfs: initial implementation
Add a WebDAV-based folder sharing mechanism that is exposed to local clients at
100.100.100.100:8080 and to remote peers via a new peerapi endpoint at
/v0/tailfs.

Add the ability to manage folder sharing via the new 'share' CLI sub-command.

Updates tailscale/corp#16827

Signed-off-by: Percy Wegmann <percy@tailscale.com>
10 months ago
Brad Fitzpatrick 2bd3c1474b util/cmpx: delete now that we're using Go 1.22
Updates #11058

Change-Id: I09dea8e86f03ec148b715efca339eab8b1f0f644
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
10 months ago
James Tucker 7e3bcd297e go.mod,wgengine/netstack: bump gvisor
Updates #8043

Signed-off-by: James Tucker <james@tailscale.com>
10 months ago
James Tucker 457102d070 go.mod: bump most deps for start of cycle
Plan9 CI is disabled. 3p dependencies do not build for the target.
Contributor enthusiasm appears to have ceased again, and no usage has
been made.

Skipped gvisor, nfpm, and k8s.

Updates #5794
Updates #8043

Signed-off-by: James Tucker <james@tailscale.com>
10 months ago
Andrew Dunham 7a0392a8a3 wgengine/netstack: expose gVisor metrics through expvar
When tailscaled is run with "-debug 127.0.0.1:12345", these metrics are
available at:
    http://localhost:12345/debug/metrics

Updates #8210

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: I19db6c445ac1f8344df2bc1066a3d9c9030606f8
10 months ago
James Tucker 8250582fe6 ipn/ipnlocal: make app connector configuration concurrent
If there are routes changes as a side effect of an app connector
configuration update, the connector configuration may want to reenter a
lock, so must be started asynchronously.

Updates tailscale/corp#16833
Signed-off-by: James Tucker <james@tailscale.com>
10 months ago
James Tucker 38a1cf748a control/controlclient,util/execqueue: extract execqueue into a package
This is a useful primitive for asynchronous execution of ordered work I
want to use in another change.

Updates tailscale/corp#16833
Signed-off-by: James Tucker <james@tailscale.com>
10 months ago
Joe Tsai c25968e1c5
all: make use of ctxkey everywhere (#10846)
Also perform minor cleanups on the ctxkey package itself.
Provide guidance on when to use ctxkey.Key[T] over ctxkey.New.
Also, allow for interface kinds because the value wrapping trick
also happens to fix edge cases with interfaces in Go.

Updates #cleanup

Signed-off-by: Joe Tsai <joetsai@digital-static.net>
10 months ago
Andrew Lytvynov 4ec6a78551
go.mod: update golang-x-crypto fork (#10786)
Pick up a bunch of recent upstream commits.

Updates #8593

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
11 months ago
Rhea Ghosh 4ce33c9758
taildrop: remove breaking abstraction layers for apple (#10728)
Removes the avoidFinalRename logic and all associated code as it is no longer required by the Apple clients.
Enables resume logic to be usable for Apple clients.

Fixes tailscale/corp#14772

Signed-off-by: Rhea Ghosh <rhea@tailscale.com>
11 months ago
Andrew Dunham 46bdbb3878 cmd/tailscaled, tsnet: don't return an interface containing a nil pointer
This tripped me up when I was testing something and wrote:

    if conn != nil {
        conn.Close()
    }

In netstack mode, when an error occurred we were getting a non-nil error
and a non-nil interface that contained a nil pointer. Instead, just
return a nil interface value.

Updates #cleanup

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: Id9ef3dd24529e0e8c53adc60ed914c31fbb10cc4
11 months ago
Aaron Klotz e32a064659 cmd/tailscaled: don't create a network monitor in the parent tailscaled on Windows
The service is only used as a watchdog and for piping logs from the child
process. We shouldn't be creating a network monitor in that case.

Fixes #10732

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
11 months ago
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>
11 months ago
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
11 months ago
Sonia Appasamy c2fe123232 cmd/tailscaled: update ConfigureWebClient's UseSocketOnly value
Previously were always setting `UseSocketOnly` because we were
comparing `args.socketpath != ""`, but `args.socketpath` flag
always gets filled with `paths.DefaultTailscaledSocket()` when
not provided. Rather than comparing to the empty string, compare
to the default value to determine if `UseSocketOnly` should be
set.

Should fix issue with web client being unreachable for Mac App
Store variant of the mac build.

Updates #16054

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
12 months ago
Aaron Klotz 0f646937e9 clientupdate: remove TS_NOLAUNCH and GUI restart hacks from autoupdate
We've fixed the underlying issue in github.com/tailscale/corp/issues/13998.

Fixes #10513

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
12 months ago
Claire Wang 8af503b0c5
syspolicy: add exit node related policies (#10172)
Adds policy keys ExitNodeID and ExitNodeIP.
Uses the policy keys to determine the exit node in preferences.
Fixes tailscale/corp#15683

Signed-off-by: Claire Wang <claire@tailscale.com>
1 year ago
Maisem Ali 57129205e6 cmd/tailscaled: make tun mode default on gokrazy
Now that we have nftable support this works fine and force
it on gokrazy since 25a8daf405.

Updates gokrazy/gokrazy#209

Signed-off-by: Maisem Ali <maisem@tailscale.com>
1 year ago
Sonia Appasamy 6f7a1b51a8 ipn/ipnlocal: rename SetWebLocalClient to ConfigureWebClient
For consistency with the "WebClient" naming of the other functions
here. Also fixed a doc typo.

A #cleanup

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
1 year ago
Aaron Klotz 855f79fad7 cmd/tailscaled, util/winutil: changes to process and token APIs in winutil
This PR changes the internal getTokenInfo function to use generics.
I also removed our own implementations for obtaining a token's user
and primary group in favour of calling the ones now available in
x/sys/windows.

Furthermore, I added two new functions for working with tokens, logon
session IDs, and Terminal Services / RDP session IDs.

I modified our privilege enabling code to allow enabling of multiple
privileges via one single function call.

Finally, I added the ProcessImageName function and updated the code in
tailscaled_windows.go to use that instead of directly calling the
underlying API.

All of these changes will be utilized by subsequent PRs pertaining to
this issue.

Updates https://github.com/tailscale/corp/issues/13998

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
1 year ago
Andrew Lytvynov c3f1bd4c0a
clientupdate: fix auto-update on Windows over RDP (#10242)
`winutil.WTSGetActiveConsoleSessionId` only works for physical desktop
logins and does not return the session ID for RDP logins. We need to
`windows.WTSEnumerateSessions` and find the active session.

Fixes https://github.com/tailscale/corp/issues/15772

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
1 year ago
Naman Sood e57fd9cda4
ipn/{ipnlocal,ipnstate,localapi}: add localapi endpoints for client self-update (#10188)
* ipn/{ipnlocal,ipnstate,localapi}: add localapi endpoints for client self-update

Updates #10187.

Signed-off-by: Naman Sood <mail@nsood.in>

* depaware

Updates #10187.

Signed-off-by: Naman Sood <mail@nsood.in>

* address review feedback

Signed-off-by: Naman Sood <mail@nsood.in>

---------

Signed-off-by: Naman Sood <mail@nsood.in>
1 year ago
Andrew Lytvynov 55cd5c575b
ipn/localapi: only perform local-admin check in serveServeConfig (#10163)
On unix systems, the check involves executing sudo, which is slow.
Instead of doing it for every incoming request, move the logic into
localapi serveServeConfig handler and do it as needed.

Updates tailscale/corp#15405

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
1 year ago
Jordan Whited 12d5c99b04
client/tailscale,ipn/{ipnlocal,localapi}: check UDP GRO config (#10071)
Updates tailscale/corp#9990

Signed-off-by: Jordan Whited <jordan@tailscale.com>
1 year ago
Andrew Lytvynov 1fc1077052
ssh/tailssh,util: extract new osuser package from ssh code (#10170)
This package is a wrapper for os/user that handles non-cgo builds,
gokrazy and user shells.

Updates tailscale/corp#15405

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
1 year ago
James Tucker f27b2cf569 appc,cmd/sniproxy,ipn/ipnlocal: split sniproxy configuration code out of appc
The design changed during integration and testing, resulting in the
earlier implementation growing in the appc package to be intended now
only for the sniproxy implementation. That code is moved to it's final
location, and the current App Connector code is now renamed.

Updates tailscale/corp#15437

Signed-off-by: James Tucker <james@tailscale.com>
1 year ago
Aaron Klotz 47019ce1f1 cmd/tailscaled: pre-load wintun.dll using a fully-qualified path
In corp PR #14970 I updated the installer to set a security mitigation that
always forces system32 to the front of the Windows dynamic linker's search
path.

Unfortunately there are other products out there that, partying like it's
1995, drop their own, older version of wintun.dll into system32. Since we
look there first, we end up loading that old version.

We can fix this by preloading wintun using a fully-qualified path. When
wintun-go then loads wintun, the dynamic linker will hand it the module
that was previously loaded by us.

Fixes #10023, #10025, #10052

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
1 year ago
James Tucker 6ad54fed00 appc,ipn/ipnlocal: add App Connector domain configuration from mapcap
The AppConnector is now configured by the mapcap from the control plane.

Updates tailscale/corp#15437

Signed-off-by: James Tucker <james@tailscale.com>
1 year ago
James Tucker b48b7d82d0 appc,ipn/ipnlocal,net/dns/resolver: add App Connector wiring when enabled in prefs
An EmbeddedAppConnector is added that when configured observes DNS
responses from the PeerAPI. If a response is found matching a configured
domain, routes are advertised when necessary.

The wiring from a configuration in the netmap capmap is not yet done, so
while the connector can be enabled, no domains can yet be added.

Updates tailscale/corp#15437

Signed-off-by: James Tucker <james@tailscale.com>
1 year ago
Will Norris 66c7af3dd3 ipn: replace web client debug flag with node capability
Updates tailscale/corp#14335

Signed-off-by: Will Norris <will@tailscale.com>
1 year ago
Sonia Appasamy 89953b015b ipn/ipnlocal,client/web: add web client to tailscaled
Allows for serving the web interface from tailscaled, with the
ability to start and stop the server via localapi endpoints
(/web/start and /web/stop).

This will be used to run the new full management web client,
which will only be accessible over Tailscale (with an extra auth
check step over noise) from the daemon. This switch also allows
us to run the web interface as a long-lived service in environments
where the CLI version is restricted to CGI, allowing us to manage
certain auth state in memory.

ipn/ipnlocal/web is stubbed out in ipn/ipnlocal/web_stub for
ios builds to satisfy ios restriction from adding "text/template"
and "html/template" dependencies.

Updates tailscale/corp#14335

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
1 year ago
Aaron Klotz 95671b71a6 ipn, safesocket: use Windows token in LocalAPI
On Windows, the idiomatic way to check access on a named pipe is for
the server to impersonate the client on its current OS thread, perform
access checks using the client's access token, and then revert the OS
thread's access token back to its true self.

The access token is a better representation of the client's rights than just
a username/userid check, as it represents the client's effective rights
at connection time, which might differ from their normal rights.

This patch updates safesocket to do the aforementioned impersonation,
extract the token handle, and then revert the impersonation. We retain
the token handle for the remaining duration of the connection (the token
continues to be valid even after we have reverted back to self).

Since the token is a property of the connection, I changed ipnauth to wrap
the concrete net.Conn to include the token. I then plumbed that change
through ipnlocal, ipnserver, and localapi as necessary.

I also added a PermitLocalAdmin flag to the localapi Handler which I intend
to use for controlling access to a few new localapi endpoints intended
for configuring auto-update.

Updates https://github.com/tailscale/tailscale/issues/755

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
1 year ago
Adrian Dewhurst 5347e6a292 control/controlclient: support certstore without cgo
We no longer build Windows releases with cgo enabled, which
automatically turned off certstore support. Rather than re-enabling cgo,
we updated our fork of the certstore package to no longer require cgo.
This updates the package, cleans up how the feature is configured, and
removes the cgo build tag requirement.

Fixes tailscale/corp#14797
Fixes tailscale/coral#118

Change-Id: Iaea34340761c0431d759370532c16a48c0913374
Signed-off-by: Adrian Dewhurst <adrian@tailscale.com>
1 year ago
Brad Fitzpatrick 18bd98d35b cmd/tailscaled,*: add start of configuration file support
Updates #1412

Co-authored-by: Maisem Ali <maisem@tailscale.com>
Change-Id: I38d559c1784d09fc804f521986c9b4b548718f7d
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
1 year ago
Rhea Ghosh 71271e41d6
ipn/{ipnlocal/peerapi, localapi} initial taildrop resume api plumbing (#9798)
This change:
* adds a partial files peerAPI endpoint to get a list of partial files
* adds a helper function to extract the basename of a file
* updates the peer put peerAPI endpoint
* updates the file put localapi endpoint to allow resume functionality

Updates #14772

Signed-off-by: Rhea Ghosh <rhea@tailscale.com>
1 year ago
Maisem Ali 5297bd2cff cmd/tailscaled,net/tstun: fix data race on start-up in TUN mode
Fixes #7894

Change-Id: Ice3f8019405714dd69d02bc07694f3872bb598b8

Co-authored-by: Brad Fitzpatrick <bradfitz@tailscale.com>
Signed-off-by: Maisem Ali <maisem@tailscale.com>
1 year ago
James Tucker 96f01a73b1 tailcfg: import ProtoPortRange for local use
Imported type and parsing, with minor modifications.

Updates tailscale/corp#15043

Signed-off-by: James Tucker <james@tailscale.com>
1 year ago
James Tucker c1ef55249a types/ipproto: import and test string parsing for ipproto
IPProto has been being converted to and from string formats in multiple
locations with variations in behavior. TextMarshaller and JSONMarshaller
implementations are now added, along with defined accepted and preferred
formats to centralize the logic into a single cross compatible
implementation.

Updates tailscale/corp#15043
Fixes tailscale/corp#15141

Signed-off-by: James Tucker <james@tailscale.com>
1 year ago
Maisem Ali 9d96e05267 net/packet: split off checksum munging into different pkg
The current structure meant that we were embedding netstack in
the tailscale CLI and in the GUIs. This removes that by isolating
the checksum munging to a different pkg which is only called from
`net/tstun`.

Fixes #9756

Signed-off-by: Maisem Ali <maisem@tailscale.com>
1 year ago
Andrew Lytvynov 677d486830
clientupdate: abort if current version is newer than latest (#9733)
This is only relevant for unstable releases and local builds. When local
version is newer than upstream, abort release.

Also, re-add missing newlines in output that were missed in
https://github.com/tailscale/tailscale/pull/9694.

Updates #cleanup

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
1 year ago
Brad Fitzpatrick 6b1ed732df go.mod: bump x/net to 0.17 for CVE-2023-39325
https://go.googlesource.com/net/+/b225e7ca6dde1ef5a5ae5ce922861bda011cfabd

Updates tailscale/corp#15165

Change-Id: Ia8b5e16b1acfe1b2400d321034b41370396f70e2
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
1 year ago