lordwelch/router7
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186 Commits

Author SHA1 Message Date
lordwelch
61b59517fc Act as the authority even though were not 
letsencrypt needs to talk to the authoritative name server, but
I have all dns traffic redirected to here so we get the SOA using the
same request (probably only works by accident) and then make a request
to the address listed in the SOA

Fix typos in IPv6 addresses
 2021-05-26 23:04:33 -07:00
lordwelch
b801bf699f Re-Add DHCP discover fallback for ISPs that don't advertise DHCP 2021-05-23 19:38:38 -07:00
lordwelch
e34b880a55 Final fix 
Add the domain as it is needed (multiple domains on a home net is niche)
Only replace the record if a local one was found
Use proper slice updating
 2021-05-23 19:34:59 -07:00
lordwelch
ac0ef71d9f Fix null check 2021-05-23 18:54:09 -07:00
lordwelch
9533787aac Fix err check 
go mod tidy
 2021-05-23 18:31:30 -07:00
lordwelch
29eaa11052 Update parameters for clarity 
Hijack the final A record in a CNAME chain if it is in our records
 2021-05-23 17:49:15 -07:00
lordwelch
ef50f7c2e4 Merge remote-tracking branch 'origin/master' 2021-03-15 22:44:39 -07:00
lordwelch
a592bbc76a Revert "Fallback to DHCPDISCOVER after 4 failed timeouts" 
This reverts commit 68105841c6566eca72f039120e9a01e886a42041.
 2021-03-15 22:34:17 -07:00
lordwelch
9f4380a4a3 Fix the fallback to DHCP Discover 
Log the IP Address of the server in each failed timeout
Update gokrazy
 2021-01-09 15:32:30 -08:00
Robert Obryk
f8d1b4c8f2
internal/dhcp4: make persistent errors actally persistent (#62) 
Previously, a permanent error would not be persisted for future
invocations of ObtainOrRenew. In practice, the daemon immediately
exited, so this made no difference.
 2020-11-23 09:35:00 +01:00
Robert Obryk
8de4eb7ba1
internal/dns: prevent upstreams from being lost during reordering (#63) 
If upstreams were reordered between start of an upstream request and its
conclusion, the move-to-front operation would likely incorrectly reorder
upstreams: duplicate one and remove another. Instead, we abandon the
move-to-front operation if that was about to happen.
 2020-11-23 09:34:04 +01:00
Robert Obryk
0507d93b3d
dhcp4d: ensure that SetHostname operates on the correct lease (#64) 
Previously SetHostname could operate on an expired lease, or even on a
lease for a different hwaddr, if the lease for the correct hwaddr
expired and the same lease ID was given away to someone else.

That's though mostly a theoretical concern, given the actual usage of
SetHostname and the time scales involved.
 2020-11-23 09:32:42 +01:00
Michael Stapelberg
7f135438b8 dhcp4d: mention apple-suggested lease time of 1 hour 2020-11-01 19:24:24 +01:00
Michael Stapelberg
a8fce3cbbc diag: drain ping reply channel to avoid goroutine leak 2020-09-14 22:10:09 +02:00
Michael Stapelberg
416c1a58f6 diag: plug socket leak by adding missing Close() 2020-09-14 22:10:07 +02:00
Michael Stapelberg
876f8e320f netconfig: de-configure old DHCPv4 addresses from uplink0 
It is generally not a good idea to have multiple IP addresses on the same
interface unless managing their relative priorities via metrics etc.

During an outage, I noticed that with multiple IP addresses,
Linux was using the old obsolete one to send out packets,
which does not work with the ISP.

With this change,
we still hold on to IP addresses for as long as possible,
but no longer.

fixes issue #57
 2020-09-12 19:58:47 +02:00
lordwelch
68105841c6 Fallback to DHCPDISCOVER after 4 failed timeouts 2020-09-01 22:16:14 -07:00
lordwelch
04ee69ce02 go mod tidy 
Update deps
 2020-08-10 18:26:07 -07:00
lordwelch
7923e58428 dhcp4d: add an options argument for the dhcp server 2020-08-10 18:12:35 -07:00
lordwelch
2dc11ce1e3 Add additional test cases and fix some failing tests 2020-08-10 18:12:34 -07:00
lordwelch
e421cff225 Fix the implicit lan domain 
Includes test for setting a custom domain
 2020-08-10 18:12:34 -07:00
lordwelch
fbd2facfa1 Set the recursion available flag 2020-08-10 18:12:34 -07:00
lordwelch
fbbfa568a8 Add JSON tags 2020-08-10 18:12:34 -07:00
lordwelch
169bc5c3e7 DNS changes 
go mod tidy
 2020-08-10 18:12:34 -07:00
lordwelch
3c451f06ca Add the ability to run router7 on a normal Linux distribution 2020-08-10 18:12:34 -07:00
Michael Stapelberg
ae8cfee616 dhcp6: inspect server advertisment IAPD and report error, if any 
The fiber7 DHCPv6 servers (sometimes?) use this field for reporting errors.
 2020-07-02 22:06:55 +02:00
Michael Stapelberg
aa14d119e6 dyndns: add log message when records are updated 
Now both cases are covered.
 2020-05-28 17:24:51 +02:00
Michael Stapelberg
decb0978d7 dyndns: update to newer libdns/cloudflare, remove workaround 2020-05-28 17:22:24 +02:00
Michael Stapelberg
7950291db6 dyndns: tweak up-to-date message output 2020-05-28 09:42:55 +02:00
Michael Stapelberg
4a5f55a5de defense in depth: verify hex.DecodeString length 
related to #49
 2020-05-27 09:50:04 +02:00
Matt Layher
ead58ad72c
cmd/dyndns: prototype for dynamic DNS daemon (#50) 
Updates #46.

Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-23 23:06:21 +02:00
Matt Layher
7aeb51e9ec
internal/dhcp4d: handle DHCPDECLINE and fix bug regarding MacBook declining leases (#48) 
Fixes #40

Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-23 20:53:13 +02:00
Matt Layher
fe68c2dd52
internal/radvd: add support for DNSSL (#47) 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-23 19:52:52 +02:00
Michael Stapelberg
53c495091e quirk: enforce minimum lease time of 1 hour for Nintendo devices 
The Nintendo Switch has been observed to hold on to IP addresses even after
their expiration. My guess is that this is an oversight: likely the device
enters power saving mode with a configured IP address and just sleeps through
the expiration time.

As the device seems to wake up once every hour, we enforce a minimum lease time
of 1 hour, but only for affected devices. The rest of the network gets short
lease times.

https://twitter.com/zekjur/status/1263949112036282374
 2020-05-23 09:07:17 +02:00
Matt Layher
61174cde06
internal/netconfig: add missing error check 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 17:04:31 -04:00
Matt Layher
9f6257b046
internal/dns: fix staticcheck issues 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 17:02:33 -04:00
Matt Layher
b8c40958e8
internal/dhcp6: fix error case 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 17:00:43 -04:00
Matt Layher
411780cd8e
internal/dhcp4: fix error case 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 17:00:07 -04:00
Matt Layher
dd7c3a8a5f
internal/testing/dnsmasq: panic in goroutine instead of fatal 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 16:55:46 -04:00
Matt Layher
8efea22943
internal/radvd: remove dead types 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 16:52:52 -04:00
Matt Layher
e1f2b975a1
internal/dhcp4d: fix staticcheck issues 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 16:51:32 -04:00
Matt Layher
107a8f0425
internal/radvd: switch to github.com/mdlayher/ndp types (#43) 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 22:50:44 +02:00
Michael Stapelberg
2b6ab5b2bd dhcp4d: make hostname override settable from status page 2020-04-12 10:33:11 +02:00
Chris K
4f0efc7b18
dhcp6: use new IAPD & Prefix getters (#41) 
Signed-off-by: Chris Koch <chrisko@google.com>
 2020-03-13 08:47:38 +01:00
Michael Stapelberg
e67fb4dd71 diagd: make output look good in a terminal, too 
curl diagd.router7/
 2020-03-11 22:12:00 +01:00
Chris K
ffc4c21bcd
dhcp6: use new getters (#37) 
Signed-off-by: Chris Koch <chrisko@google.com>
 2020-03-07 09:35:59 +01:00
Michael Stapelberg
dba1dad718 wireguard: switch to wgctrl package 
related to #14
 2020-02-16 00:15:23 +01:00
Michael Stapelberg
bfba9f17af netconfigd: collect all errors but keep going 2020-02-15 23:38:37 +01:00
Michael Stapelberg
96b626897a netconfigd: work not only with uplink0, but also eth0 and ens3 
This makes it possible to use netconfigd on gokrazy Raspberry Pi installations.
 2020-02-15 23:37:29 +01:00
Michael Stapelberg
ef60a01f3f netconfigd: continue if interfaces.json does not exist 2020-02-15 23:35:51 +01:00