Commit Graph

263 Commits (15b6969a951b350929bc8b2438e5b6f7daf8b730)

Author SHA1 Message Date
Brad Fitzpatrick 15b6969a95 ipn/ipnserver: grant client r/w access if peer uid matches tailscaled
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick be779b3587 safesocket, ipn/ipnserver: unify peercred info, fix bug on FreeBSD etc
FreeBSD wasn't able to run "tailscale up" since the recent peercred
refactoring.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 625c413508 ipn/ipnlocal: fix another regression from link monitoring refactor
Prior to e3df29d488, the Engine.SetLinkChangeCallback fired
immediately, even if there was no change. The ipnlocal code apparently
depended on that, and it broke integration tests (which live in
another repo). So mimic the old behavior and call the ipnlocal
callback immediately at init.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson f647e3daaf ipn/ipnlocal: transform default routes into "all but LAN" routes.
Fixes #1177.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick e3df29d488 wgengine{,/monitor}: move interface state fetching/comparing to monitor
Gets it out of wgengine so the Engine isn't responsible for being a
callback registration hub for it.

This also removes the Engine.LinkChange method, as it's no longer
necessary.  The monitor tells us about changes; it doesn't seem to
need any help. (Currently it was only used by Swift, but as of
14dc790137 we just do the same from Go)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 38dc6fe758 cmd/tailscaled, wgengine: remove --fake, replace with netstack
And add a --socks5-server flag.

And fix a race in SOCKS5 replies where the response header was written
concurrently with the copy from the backend.

Co-authored with Naman Sood.

Updates #707
Updates #504

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson 360095cd34 ipn: add tests for exit node pretty printing.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 8ee1cb6156 ipn/ipnlocal: mark findExitNodeID as requiring mutex.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson abfd73f569 ipn: print currently selected exit route in Prefs.String().
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 2404c0ffad ipn/ipnlocal: only filter out default routes when computing the local wg config.
UIs need to see the full unedited netmap in order to know what exit nodes they
can offer to the user.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick f11952ad7f ipn/ipnserver: fix Windows connection auth regression
Regression from code movement in d3efe8caf6

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson b83c273737 wgengine/filter: use IPSet for localNets instead of prefixes.
Part of #1177, preparing for doing fancier set operations on
the allowed local nets.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Sonia Appasamy 76fb27bea7
dnsname,tailcfg: add hostname sanitation logic to node display names (#1304)
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
4 years ago
Brad Fitzpatrick 7038c09bc9 ipn/ipnserver: on darwin, let users who are admins use CLI without sudo
Tangentially related to #987, #177, #594, #925, #505

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick d3efe8caf6 safesocket, ipn/ipnserver: look up peer creds on Darwin
And open up socket permissions like Linux, now that we know who
connections are from.

This uses the new inet.af/peercred that supports Linux and Darwin at
the moment.

Fixes #1347
Fixes #1348

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick fdac0387a7 ipn/ipnserver, ipn/ipnlocal: move whois handler to new localapi package 4 years ago
David Anderson e86b39b73f ipn/ipnlocal: don't short-circuit default route filtering.
If no exit node is specified, the filter must still run to remove
offered default routes from all peers.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick 1e7a35b225 types/netmap: split controlclient.NetworkMap off into its own leaf package
Updates #1278

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick ddfcc4326c types/persist: split controlclient.Persist into a small leaf package
This one alone doesn't modify the global dependency map much
(depaware.txt if anything looks slightly worse), but it leave
controlclient as only containing NetworkMap:

bradfitz@tsdev:~/src/tailscale.com/ipn$ grep -F "controlclient." *.go
backend.go:     NetMap        *controlclient.NetworkMap // new netmap received
fake_test.go:   b.notify(Notify{NetMap: &controlclient.NetworkMap{}})
fake_test.go:   b.notify(Notify{NetMap: &controlclient.NetworkMap{}})
handle.go:      netmapCache       *controlclient.NetworkMap
handle.go:func (h *Handle) NetMap() *controlclient.NetworkMap {

Once that goes into a leaf package, then ipn doesn't depend on
controlclient at all, and then the client gets smaller.

Updates #1278
4 years ago
David Anderson a046b48593 cmd/tailscale/cli: display currently active exit node in `tailscale status`.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick 6064b6ff47 wgengine/wgcfg/nmcfg: split control/controlclient/netmap.go into own package
It couldn't move to ipnlocal due to test dependency cycles.

Updates #1278

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson b9c2231fdf ipn: program exit node into the data plane according to user pref.
Part of #1153, #1154. Fixes #1224.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick d76334d2f0 ipn: split LocalBackend off into new ipn/ipnlocal package
And move a couple other types down into leafier packages.

Now cmd/tailscale doesn't bring in netlink, magicsock, wgengine, etc.

Fixes #1181

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Josh Bleecher Snyder e8cd7bb66f tstest: simplify goroutine leak tests
Use tb.Cleanup to simplify both the API and the implementation.

One behavior change: When the number of goroutines shrinks, don't log.
I've never found these logs to be useful, and they frequently add noise.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
Brad Fitzpatrick c7d4bf2333 cmd/tailscale/cli: recommend sudo for 'tailscale up' on failure
Fixes #1220
4 years ago
Brad Fitzpatrick 006a224f50 ipn/ipnserver, cmd/hello: do whois over unix socket, not debug http
Start of a local HTTP API. Not a stable interface yet.
4 years ago
Josh Bleecher Snyder fe7c3e9c17 all: move wgcfg from wireguard-go
This is mostly code movement from the wireguard-go repo.

Most of the new wgcfg package corresponds to the wireguard-go wgcfg package.

wgengine/wgcfg/device{_test}.go was device/config{_test}.go.
There were substantive but simple changes to device_test.go to remove
internal package device references.

The API of device.Config (now wgcfg.DeviceConfig) grew an error return;
we previously logged the error and threw it away.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
Brad Fitzpatrick c611d8480b cmd/tailscaled: add whois/identd-ish debug handler 4 years ago
Brad Fitzpatrick a7edcd0872 ipn/ipnstate: update tailscale status -web to match CLI 4 years ago
Brad Fitzpatrick 4d3c09ced4 ipn/ipnserver: on Windows in unattended mode, wait for Engine forever
Updates #1187
4 years ago
Brad Fitzpatrick fa3543d629 control/controlclient: use more direct way of getting the MagicDNS suffix
Suggested by Avery earlier. Ends up fixing bug in "tailscale status" when
MagicDNS if off too:
https://forum.tailscale.com/t/1-3-293-is-released-a-1-4-0-pre-release/349/11?u=bradfitz
4 years ago
Brad Fitzpatrick e7bf144c3f ipn, wgengine/filter: fix Shields Up recent regression and old bug
Fixes #1192 (regression)
Fixes #1193 (old bug)
4 years ago
Brad Fitzpatrick b560386c1a net/packet, wgengine, tstun: add inter-node TSMP protocol for connect errors
This adds a new IP Protocol type, TSMP on protocol number 99 for
sending inter-tailscale messages over WireGuard, currently just for
why a peer rejects TCP SYNs (ACL rejection, shields up, and in the
future: nothing listening, something listening on that port but wrong
interface, etc)

Updates #1094
Updates tailscale/corp#1185

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 5611f290eb ipn, ipnserver: only require sudo on Linux for mutable CLI actions
This partially reverts d6e9fb1df0, which modified the permissions
on the tailscaled Unix socket and thus required "sudo tailscale" even
for "tailscale status".

Instead, open the permissions back up (on Linux only) but have the
server look at the peer creds and only permit read-only actions unless
you're root.

In the future we'll also have a group that can do mutable actions.

On OpenBSD and FreeBSD, the permissions on the socket remain locked
down to 0600 from d6e9fb1df0.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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
Sonia Appasamy 024671406b
ipn: only send services in Hostinfo if Tailnet has opted-in to services collection (#1107)
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
4 years ago
Brad Fitzpatrick 5aa5db89d6 cmd/tailscaled, wgengine/netstack: add start of gvisor userspace netstack work
Not usefully functional yet (mostly a proof of concept), but getting
it submitted for some work @namansood is going to do atop this.

Updates #707
Updates #634
Updates #48
Updates #835
4 years ago
Brad Fitzpatrick 5efb0a8bca cmd/tailscale: change formatting of "tailscale status"
* show DNS name over hostname, removing domain's common MagicDNS suffix.
  only show hostname if there's no DNS name.
  but still show shared devices' MagicDNS FQDN.

* remove nerdy low-level details by default: endpoints, DERP relay,
  public key.  They're available in JSON mode still for those who need
  them.

* only show endpoint or DERP relay when it's active with the goal of
  making debugging easier. (so it's easier for users to understand
  what's happening) The asterisks are gone.

* remove Tx/Rx numbers by default for idle peers; only show them when
  there's traffic.

* include peers' owner login names

* add CLI option to not show peers (matching --self=true, --peers= also
  defaults to true)

* sort by DNS/host name, not public key

* reorder columns
4 years ago
Josh Bleecher Snyder 18471a8792 ipn: close logger at the end of TestLocalLogLines
If any goroutine continues to use the logger in TestLocalLogLines
after the test finishes, the test panics.

The culprit for this was wireguard-go; the previous commit fixed that.
This commit adds suspenders: When the test is done, make logging calls
into no-ops.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
Denton Gentry fa3e8e1a28 Add names to test cases in ipn/local_test.go.
There are so many now that just a number doesn't work well.

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
4 years ago
Denton Gentry 414cb4a695 Add test for dnsMapsEqual.
Exercises most cases in the function.

Signed-off-by: Denton Gentry <dgentry@tailscale.com>
4 years ago
Brad Fitzpatrick b5129dadfd ipn: fix buggy-looking format string in error log
On shutdown, logs showed:
wgengine status error: &errors.errorString{s:"engine closing; no status"}
4 years ago
Brad Fitzpatrick e8ae355bb8
ipn: delete domainsForProxying, require explicit DNS search domains (mapver 9) (#1078)
Previously the client had heuristics to calculate which DNS search domains
to set, based on the peers' names. Unfortunately that prevented us from
doing some things we wanted to do server-side related to node sharing.

So, bump MapRequest.Version to 9 to signal that the client only uses the
explicitly configured DNS search domains and doesn't augment it with its own
list.

Updates tailscale/corp#1026

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
Josh Bleecher Snyder 2fe770ed72 all: replace wgcfg.IP and wgcfg.CIDR with netaddr types
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
Brad Fitzpatrick 053a1d1340 all: annotate log verbosity levels on most egregiously spammy log prints
Fixes #924
Fixes #282

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson 294ceb513c ipn, wgengine/magicsock: fix `tailscale status` display.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Christine Dodrill 2485faf69a
Merge branch 'main' into report-status-systemd 4 years ago
Christine Dodrill 7ea809897d ipn/ipnserver: enable systemd-notify support
Addresses #964

Still to be done:
- Figure out the correct logging lines in util/systemd
- Figure out if we need to slip the systemd.Status function anywhere
  else
- Log util/systemd errors? (most of the errors are of the "you cannot do
  anything about this, but it might be a bad idea to crash the program if
  it errors" kind)

Assistance in getting this over the finish line would help a lot.

Signed-off-by: Christine Dodrill <me@christine.website>

util/systemd: rename the nonlinux file to appease the magic

Signed-off-by: Christine Dodrill <me@christine.website>

util/systemd: fix package name

Signed-off-by: Christine Dodrill <me@christine.website>

util/systemd: fix review feedback from @mdlayher

Signed-off-by: Christine Dodrill <me@christine.website>

cmd/tailscale{,d}: update depaware manifests

Signed-off-by: Christine Dodrill <me@christine.website>

util/systemd: use sync.Once instead of func init

Signed-off-by: Christine Dodrill <me@christine.website>

control/controlclient: minor review feedback fixes

Signed-off-by: Christine Dodrill <me@christine.website>

{control,ipn,systemd}: fix review feedback

Signed-off-by: Christine Dodrill <me@christine.website>

review feedback fixes

Signed-off-by: Christine Dodrill <me@christine.website>

ipn: fix sprintf call

Signed-off-by: Christine Dodrill <me@christine.website>

ipn: make staticcheck less sad

Signed-off-by: Christine Dodrill <me@christine.website>

ipn: print IP address in connected status

Signed-off-by: Christine Dodrill <me@christine.website>

ipn: review feedback

Signed-off-by: Christine Dodrill <me@christine.website>

final fixups

Signed-off-by: Christine Dodrill <me@christine.website>
4 years ago
Josh Bleecher Snyder a6cad71fb2 go.mod: upgrade staticcheck to 0.1.0
Also run go.mod and fix some staticcheck warnings.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago