Commit Graph

117 Commits (43b30e463c1f7d9b10ac1897cdbcb85093cbf67b)

Author SHA1 Message Date
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>
4 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>
4 years ago
Brad Fitzpatrick 92cdb30b26 tailcfg, control/controlclient: add goroutine dump debug feature
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 9df4185c94 control/controlclient, net/{dnscache,dnsfallback}: add DNS fallback mechanism
Updates #1405
Updates #1403

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick fd8e070d01 health, control/controlclient, wgengine: report when router unhealthy
Updates tailscale/corp#1338

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 4ec01323c1 control/controlclient: note package type in Hostinfo
Fixes tailscale/corp#440

Signed-off-by: Brad Fitzpatrick <bradfitz@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
Brad Fitzpatrick 7529b74018 control/controlclient: avoid crash sending map request with zero node key
Fixes #1271

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Sonia Appasamy 4dab0c1702
tailcfg: update node display name fields and methods (#1207)
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>

Consolidates the node display name logic from each of the clients into
tailcfg.Node. UI clients can use these names directly, rather than computing
them independently.
4 years ago
Sonia Appasamy 567c5a6d9e
tailcfg, controlclient: add DisplayName field to tailcfg.Node and populate it from controlclient (#1191)
Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
4 years ago
Brad Fitzpatrick a905ce5607 control/controlclient: add debug knob to not use control's endpoints 4 years ago
Brad Fitzpatrick ec77b80c53 tailcfg, control/controlclient: add mapver 10: MapResponse.PeerSeenChange
This adds a more wire-efficient way of updating peers' Node.LastSeen times.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick c1dabd9436 control/controlclient: let clients opt in to Sharer-vs-User split model
Updates tailscale/corp#1183
4 years ago
Brad Fitzpatrick b987b2ab18 control/controlclient: treat node sharer as owner for display purposes
This make clients (macOS, Windows, tailscale status) show the node
sharer's profile rather than the node owner (which may be anonymized).

Updates #992
4 years ago
Brad Fitzpatrick 9d73f84a71 tailcfg, control/controlclient: make MapResponse.CollectServices an opt.Bool
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 2f04f49376 control/controlclient: use lite map request handler to avoid aborting streams
Previously, any change to endpoints or hostinfo (or hostinfo's
netinfo) would result in the long-running map request HTTP stream
being torn down and restarted, losing all compression context along
with it.

This change makes us instead send a lite map request (OmitPeers: true,
Stream: false) that doesn't subscribe to anything, and then the
coordination server knows to not close other streams for that node
when it recives a lite request.

Fixes tailscale/corp#797

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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 ca676ea645 tailcfg: introduce map version 8, for clients that support v6 node config.
For now, the server will only send v6 configuration to mapversion 8 clients
as part of an early-adopter program, while we verify that the functionality
is robust.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
David Anderson 89be4037bb control/controlclient: report broken routing for v4 and v6.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick afcf134812 wgengine/filter, tailcfg: support CIDRs+ranges in PacketFilter (mapver 7)
Signed-off-by: Brad Fitzpatrick <bradfitz@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
Brad Fitzpatrick b3c7b631c2 tailcfg, control/controlclient: make nil PacketFilter mean unchanged (mapver 6)
After mapver 5's incremental netmap updates & user profiles, much of
the remaining bandwidth for streamed MapResponses were redundant,
unchanged PacketFilters. So make MapRequest.Version 6 mean that nil
means unchanged from the previous value.
4 years ago
Brad Fitzpatrick fac2b30eff control/controlclient: diagnose zero bytes from control
Updates #921

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick a2d78b4d3e net/dnscache, control/controlclient: use DNS cache when dialing control
Cache DNS results of earlier login.tailscale.com control dials, and use
them for future dials if DNS is slow or broken.

Fixes various issues with trickier setups with the domain's DNS server
behind a subnet router.

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 782e07c0ae control/controlclient: send warning flag in map request when IP forwarding off
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 4f4e84236a ipn: clean up Prefs logging at start
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson 54e6c3a290 version: use OSS repo's version when building.
When building with redo, also include the git commit hash
from the proprietary repo, so that we have a precise commit
that identifies all build info (including Go toolchain version).

Add a top-level build script demonstrating to downstream distros
how to burn the right information into builds.

Adjust `tailscale version` to print commit hashes when available.

Fixes #841.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick 5b1d03f016 control/controlclient: remove prior temporary macos debugging
It was an x/net/http2 bug, since fixed.
4 years ago
Brad Fitzpatrick c44e244276 control/controlclient: add some temporary debugging for #839 4 years ago
Brad Fitzpatrick 9957c45995 tailcfg: bump, document MapRequest.Version value
Fixes tailscale/corp#634

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 3909c82f3d control/controlclient: rename map debug knob, make it do both request+response
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson 62d941dc26 tailcfg: add a DebugFlags field for experiments and debugging.
Also replaces the IPv6Overlay bool with use of DebugFlags, since
it's currently an experimental configuration.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick 22024a38c3 control/controlclient: log Hostinfo on change
Fixes #830

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
David Anderson c6dbd24f67 tailcfg: add a field to advertise support for IPv6 tailscale config.
Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick a6c34bdc28 control/controlclient: also include our own profile (for when no self-owned peers)
Fix from regression in previous commit
(0e3048d8e0) that was caught by e2e
tests.

In that previous commit, the user's own profile was omitted from the
NetworkMap in the case where the user only had one node.
4 years ago
Brad Fitzpatrick 0e3048d8e0 control/controlclient: support delta userprofiles from control
I was going to make support for this advertised from the client, but
turns out only "tailscale status" even uses the UserProfiles field and
fails gracefully (omits that field) if a user profile for a user is
missing, so I think we can just reuse the DeltaPeers field from the
client to ask the control server to also delta encode the user
profiles.

For the few users running 1.1.x (unstable) versions between DeltaPeers
support (1.1.82) and this (~1.1.541), they'll just sometimes have
missing names in "tailscale status --json" or "tailscale status --web"
(the only places the UserProfile is used).
4 years ago
Brad Fitzpatrick 1819f6f8c8 control/controlclient: set MapRequest.ReadOnly on initial empty endpoint request
On startup, clients do a MapRequest with empty endpoints while they
learn the DERP map to discover the STUN servers they then query to
learn their endpoints.

Set MapRequest.ReadOnly on those initial queries to not broadcast the
empty endpoints out to peers. The read results will come a half second
later (or less).

Updates tailscale/corp#557
4 years ago
Avery Pennarun 6332bc5e08 controlclient: print http errors if result code != 200.
Turns out for the particular error I was chasing, it actually returns
200 and zero data. But this code mirrors the same check in the map
poll, and is the right thing to do in the name of future debugging.

Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
4 years ago
David Crawshaw 15297a3a09 control/controlclient: some extra debug info in errors
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
4 years ago
Brad Fitzpatrick b5a3850d29 control/controlclient, ipn: store machine key separately from user prefs/persist
Updates #610 (fixes after some win/xcode changes in a separate repo)
4 years ago
Josh Bleecher Snyder efb08e4fee all: use IsZero methods
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
Brad Fitzpatrick c8f257df00 Revert "all: keep UserProfiles a slice instead of a map for longer"
This reverts commit e5894aba42.

Breaks macOS/iOS build. Reverting per chat with Josh; he'll fix later today.
4 years ago
Josh Bleecher Snyder 1fecf87363 control/controlclient: use wgcfg.PrivateKey.IsZero
Generated by eg using template:

---

package p

import "github.com/tailscale/wireguard-go/wgcfg"

func before(k wgcfg.PrivateKey) bool { return k == wgcfg.PrivateKey{} }
func after(k wgcfg.PrivateKey) bool  { return k.IsZero() }


Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago
Josh Bleecher Snyder e5894aba42 all: keep UserProfiles a slice instead of a map for longer
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
4 years ago