Commit Graph

29 Commits (8f5b52e5715f9216a3a9574df7ee8576d02c65b1)

Author SHA1 Message Date
David Anderson 8f5b52e571 net/netns: add windows support.
Also remove rebinding logic from the windows router. Magicsock will
instead rebind based on link change signals.

Signed-off-by: David Anderson <danderson@tailscale.com>
4 years ago
Brad Fitzpatrick 41c4560592 control/controlclient: remove unused NetworkMap.UAPI method
And remove last remaining use of wgcfg.ToUAPI in a test's debug
output; replace it with JSON.
4 years ago
Brad Fitzpatrick 6298018704 control/controlclient: print disco keys NetworkMap diffs (debug change only)
NetworkMap text diffs being empty were currently used to short-circuit
calling magicsock's SetNetworkMap (via Engine.SetNetworkMap), but that
went away in c7582dc2 (0.100.0-230)

Prior to c7582dc2 (notably, in 0.100.0-225 and below, down to
0.100.0), a change in only disco key (as when a node restarts) but
without endpoint changes (as would happen for a client not behind a
NAT with random ports) could result in a "netmap diff: (none)" being
printed, as well as Engine.SetNetworkMap being skipped, leading to
broken discovery endpoints.

c7582dc2 fixed the Engine.SetNetworkMap skippage.

This change fixes the "netmap diff: (none)" print so we'll actually see when a peer
restarts with identical endpoints but a new discovery key.
4 years ago
Dmytro Shynkevych 28e52a0492
all: dns refactor, add Proxied and PerDomain flags from control (#615)
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
4 years ago
Dmytro Shynkevych c7582dc234
ipn: fix netmap change tracking and dns map generation (#609)
Signed-off-by: Dmytro Shynkevych <dmytro@tailscale.com>
4 years ago
Brad Fitzpatrick be3ca5cbfd control/controlclient: remove unused, slow, often-not-what-you-want NetworkMap.Equal 4 years ago
Brad Fitzpatrick 05a79d79ae control/controlclient: rewrite, test NetworkMap.ConciseDiffFrom
It stood out a lot in hello.ipn.dev's profiles for generating a lot of
garbage (and thus GC CPU).
4 years ago
Brad Fitzpatrick 3b0514ef6d control/controlclient: rename uflags, give it a type, remove dead code 4 years ago
Brad Fitzpatrick 32ecdea157 control/controlclient: generate wireguard config w/o WgQuick text indirection 4 years ago
Brad Fitzpatrick a975e86bb8 wgengine/magicsock: add new endpoint type used for discovery-supporting peers
This adds a new magicsock endpoint type only used when both sides
support discovery (that is, are advertising a discovery
key). Otherwise the old code is used.

So far the new code only communicates over DERP as proof that the new
code paths are wired up. None of the actually discovery messaging is
implemented yet.

Support for discovery (generating and advertising a key) are still
behind an environment variable for now.

Updates #483
4 years ago
Brad Fitzpatrick b8edb7a5e9 control/controlclient: add Debug field to NetworkMap
As part of disabling background STUN packets when idle, we want an
emergency override switch to turn it back on, in case it interacts
poorly in the wild. We'll send that via control, but we'll want to
plumb it down to magicsock via NetworkMap.

Updates tailscale/corp#320

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Brad Fitzpatrick 36e9cb948f control/controlclient: cut down some NetworkMap stringification & diff allocations
And start of tests.
4 years ago
Brad Fitzpatrick 894e3bfc96 control/controlclient: trim /32 suffix a bit more succinctly 4 years ago
David Anderson 0ecaf7b5ed control/controlclient: make netmap generation use rate-limited logger. 4 years ago
David Anderson 401e2ec307 control/controlclient: delete unused function. 4 years ago
Brad Fitzpatrick e6b84f2159 all: make client use server-provided DERP map, add DERP region support
Instead of hard-coding the DERP map (except for cmd/tailscale netcheck
for now), get it from the control server at runtime.

And make the DERP map support multiple nodes per region with clients
picking the first one that's available. (The server will balance the
order presented to clients for load balancing)

This deletes the stunner package, merging it into the netcheck package
instead, to minimize all the config hooks that would've been
required.

Also fix some test flakes & races.

Fixes #387 (Don't hard-code the DERP map)
Updates #388 (Add DERP region support)
Fixes #399 (wgengine: flaky tests)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
4 years ago
Avery Pennarun a56e853b72 cmd/relaynode: delete it!
tailscale+tailscaled now completely obsoletes relaynode, so let's let
it finally go away.
4 years ago
Brad Fitzpatrick 64aff0db7b control/controlclient: add TODO to delete the UAPI method 4 years ago
Brad Fitzpatrick 073bb8de80 control/controlclient: don't use Node as value type 4 years ago
David Crawshaw 73cae4eb11 tailcfg, controlclient: standardize on wgcfg ShortString key printing
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
4 years ago
David Crawshaw 8712164a0a controlclient: use per-peer KeepAlive signal
Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
4 years ago
Brad Fitzpatrick 19cc4f8b8e control/controlclient: remove a number literal in string slice offset 4 years ago
Avery Pennarun 8b8e3f08a0 Fix staticcheck complaint. 4 years ago
Avery Pennarun b4897e7de8 controlclient/netmap: write our own b.ConciseDiffFrom(a) function.
This removes the need for go-cmp, which is extremely bloaty so we had
to leave it out of iOS. As a result, we had also left it out of macOS,
and so we didn't print netmap diffs at all on darwin-based platforms.
Oops.

As a bonus, the output format of the new function is way better.

Minor oddity: because I used the dumbest possible diff algorithm, the
sort order is a bit dumb. We print all "removed" lines and then print
all "added" lines, rather than doing the usual diff-like thing of
interspersing them. This probably doesn't matter (maybe it's an
improvement).
4 years ago
Avery Pennarun 96bb05ce2f controlclient: reformat netmap.Concise() and add DERP server info.
The .Concise() view had grown hard to read over time. Originally, we
assumed a peer almost always had just one endpoint and one-or-more
allowedips. With magicsock, we now almost always have multiple
endpoints per peer. And empirically, almost every peer has only one
allowedip.

Change their order so we can line up allowedips vertically. Also do
some tweaking to make multiple endpoints easier to read.

While we're here, add a column to show the home DERP server of each
peer, if any.
4 years ago
David Crawshaw 61529ac459 controlclient, tailcfg: deliver DERP addresses in a separate field
We still include them directly in the controlclient network map
just where we have been. Client plumbing we can do later.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
4 years ago
Brad Fitzpatrick 7172f3dbf4 version: add IsMobile func
And use it control/controlclient.
4 years ago
David Anderson 542f46ed4d controlclient: remove unused function.
Signed-off-by: David Anderson <dave@natulte.net>
4 years ago
Earl Lee a8d8b8719a Move Linux client & common packages into a public repo. 4 years ago