AdamKorcz
2243bb48c2
stun fuzzer: Small fix
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Signed-off-by: AdamKorcz <adam@adalogics.com>
2021-04-14 08:17:46 -07:00
Brad Fitzpatrick
c2ca2ac8c4
net/dns: fix FreeBSD build
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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-04-13 17:38:17 -07:00
David Anderson
84bd50329a
net/dns: fix staticheck.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-13 17:28:37 -07:00
David Anderson
d6bb11b5bf
net/dns: implement correct manager detection on linux.
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Part of #953 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-13 17:19:00 -07:00
David Anderson
9ef932517b
net/dns: fix NM's GetBaseConfig when no configs exist.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-13 17:19:00 -07:00
David Anderson
fe3b1ab747
net/dns: refactor dbus connection setup in resolved manager.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-13 17:19:00 -07:00
David Anderson
854d5d36a1
net/dns: return error from NewOSManager, use it to initialize NM.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-12 15:51:37 -07:00
David Anderson
9aa33b43e6
net/dns: support split and unsplit DNS in NetworkManager.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-12 14:34:08 -07:00
David Anderson
87eb8384f5
net/dns: fix up NetworkManager configurator a bit.
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Clear LLMNR and mdns flags, update reasoning for our settings,
and set our override priority harder than before when we want
to be primary resolver.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-11 23:19:50 -07:00
David Anderson
3d81e6260b
net/dns: set resolved DefaultRoute setting according to split-dns mode.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-11 20:53:28 -07:00
David Anderson
cca230cc23
net/dns: fix staticcheck errors.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-11 20:53:28 -07:00
Brad Fitzpatrick
4b47393e0c
net/dns: pacify staticcheck for now
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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-04-11 20:43:15 -07:00
David Anderson
a7340c2015
net/dns: support split DNS in systemd-resolved.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-11 18:14:23 -07:00
David Anderson
84430cdfa1
net/dns: improve NetworkManager detection, using more DBus.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-11 15:22:06 -07:00
David Anderson
9a48bac8ad
net/dns: rename resolvconf.go to debian_resolvconf.go.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 23:31:14 -07:00
David Anderson
9831f1b183
net/dns: also include 'tail' and 'base' files when fixing up resolv.conf.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 23:01:11 -07:00
David Anderson
e43afe9140
net/dns: implement prior config reading for debian resolvconf.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 22:37:13 -07:00
David Anderson
143e5dd087
net/dns: rename script variable.
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Debian resolvconf is not legacy, it's alive and well,
just historically before the other implementations.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 21:28:27 -07:00
David Anderson
55b39fa945
net/dns: add documentation to openresolv's config fetch.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 20:21:05 -07:00
David Anderson
61b361bac0
net/dns: teach the openresolv manager to read DNS config.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 19:37:11 -07:00
David Anderson
58760f7b82
net/dns: split resolvconfManager into a debian and an openresolv manager.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 18:55:05 -07:00
David Anderson
5480189313
net/dns: implement a DNS override workaround for legacy resolvconf.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 17:58:13 -07:00
David Anderson
1a371b93be
util/dnsname: add FQDN type, use throughout codebase.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-10 17:58:13 -07:00
AdamKorcz
7a1813fd24
Added 2 fuzzers
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Signed-off-by: AdamKorcz <adam@adalogics.com>
2021-04-10 11:40:10 -07:00
David Anderson
e638a4d86b
net/dns: make directManager support split DNS, and work in sandboxes.
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Fixes #1495 , #683 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-09 02:52:21 -07:00
David Anderson
2685260ba1
net/dns: add temporary fallback to quad-9 resolver for split-DNS testing.
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This allows split-DNS configurations to not break clients on OSes that
haven't yet been ported to understand split DNS, by falling back to quad-9
as a global resolver when handed an "impossible to implement"
split-DNS config.
Part of #953 . Needs to be removed before shipping 1.8.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-08 23:26:22 -07:00
David Anderson
b9e194c14b
net/dns: add missing FQDN qualification.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-08 23:07:16 -07:00
David Anderson
b74a8994ca
net/dns: make FQDN dot style consistent in more places.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-08 22:03:32 -07:00
David Anderson
6def647514
net/dns/resolver: don't avoid tailscale routes for DNS forwarding.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-08 12:20:42 -07:00
David Anderson
4a64d2a603
net/dns: some post-review cleanups.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
David Anderson
720c1ad0f0
net/dns: insert OS base config when emulating split DNS.
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Part of #953 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
David Anderson
e560be6443
net/dns: sort matchDomains to avoid test flake.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
David Anderson
68f76e9aa1
net/dns: add GetBaseConfig to OSConfigurator interface.
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Part of #953 , required to make split DNS work on more basic
platforms.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
David Anderson
fe9cd61d71
net/dns: add tests for DNS config generation.
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Part of #953 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
David Anderson
0ba6d03768
net/dns/resolver: add a test helper to get at the resolver config.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
David Anderson
da4cc8bbb4
net/dns: handle all possible translations of high-level DNS config.
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With this change, all OSes can sort-of do split DNS, except that the
default upstream is hardcoded to 8.8.8.8 pending further plumbing.
Additionally, Windows 8-10 can do split DNS fully correctly, without
the 8.8.8.8 hack.
Part of #953 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-07 15:40:31 -07:00
Brad Fitzpatrick
939861773d
net/tstun: accept peerapi connections through the filter
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Fixes tailscale/corp#1545
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-04-07 12:29:20 -07:00
Maisem Ali
57756ef673
net/nettest: make nettest.NewConn pass x/net/nettest.TestConn.
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Signed-off-by: Maisem Ali <maisem@tailscale.com>
2021-04-06 15:34:29 -07:00
David Anderson
e0e677a8f6
net/dns: split out search domains and match domains in OSConfig.
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It seems that all the setups that support split DNS understand
this distinction, and it's an important one when translating
high-level configuration.
Part of #953 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-06 15:27:09 -07:00
David Anderson
a8dcda9c9a
net/dns: start of compat hacks for Windows 7.
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Correctly reports that Win7 cannot do split DNS, and has a helper to
discover the "base" resolvers for the system.
Part of #953
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-06 15:27:09 -07:00
David Anderson
3e915ac783
net/dns: implement OS-level split DNS for Windows.
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Part of #953 .
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 22:53:10 -07:00
David Anderson
c16a926bf2
net/dns: set OSConfig.Primary.
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OS implementations are going to support split DNS soon.
Until they're all in place, hardcode Primary=true to get
the old behavior.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 22:53:10 -07:00
David Anderson
bc4381447f
net/tstun: return the real interface name at device creation.
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This is usually the same as the requested interface, but on some
unixes can vary based on device number allocation, and on Windows
it's the GUID instead of the pretty name, since everything relating
to configuration wants the GUID.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 22:53:10 -07:00
David Anderson
de6dc4c510
net/dns: add a Primary field to OSConfig.
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Currently ignored.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 13:05:47 -07:00
David Anderson
b2a597b288
net/dns: rename Set to SetDNS in OSConfigurator.
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wgengine/router.CallbackRouter needs to support both the Router
and OSConfigurator interfaces, so the setters can't both be called
Set.
Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 10:55:35 -07:00
David Anderson
7d84ee6c98
net/dns: unify the OS manager and internal resolver.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 10:55:35 -07:00
David Anderson
1bf91c8123
net/dns/resolver: remove unused err return value.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 10:55:35 -07:00
David Anderson
6a206fd0fb
net/dns: rename impl to os.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 10:55:35 -07:00
David Anderson
c4530971db
net/dns/resolver: remove leftover debug print.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 10:55:35 -07:00
David Anderson
4c61ebacf4
wgengine: move DNS configuration out of wgengine/router.
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Signed-off-by: David Anderson <danderson@tailscale.com>
2021-04-05 10:55:35 -07:00