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160 Commits

Author SHA1 Message Date
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
Michael Stapelberg
a543cb9a34 dhcp4d: add header describing whether lease is active 
Should be interpreted by the DHCP server so that other programs don’t need to
hard-code the lease time.
 2020-01-31 19:11:08 +01:00
Michael Stapelberg
41985d6378 dhcp4d: reduce lease period to 20 minutes 
This forces devices to renew the lease more often, which is nice when you want
to tie home automation behavior to DHCP lease validity.
 2020-01-31 18:23:50 +01:00
Michael Stapelberg
73bd5c6a50 dhcp6: T1 is now already a time.Duration 
see https://github.com/insomniacslk/dhcp/pull/347
 2020-01-03 08:06:17 +01:00
Michael Stapelberg
3b5cf99b29 dhcp6_test: add new DHCPv6 infra packet capture 2019-12-02 10:43:39 +01:00
Michael Stapelberg
70edcab16b dns: return NXDOMAIN for DHCP leases once they expire 2019-09-07 19:27:12 +02:00
Michael Stapelberg
fa82132962 dhcp4d: add HostnameOverride field 
This can be used to permanently override a hostname, regardless of whether the
lease is static or not. We use a separate field because we want devices to be
able to change their hostname themselves, until we override it.
 2019-08-30 09:06:21 +02:00
Michael Stapelberg
4cde5ec6fc dns: fix resolution of uppercase host names, add test 2019-08-07 18:18:51 +02:00
Michael Stapelberg
8fb81f90b1 dns: make more recent DHCP leases overwrite older ones 
fixes #20
 2019-07-20 12:23:48 +02:00
Michael Stapelberg
36995097b9 make local name resolution case-insensitive 
fixes #34
 2019-07-20 12:07:30 +02:00
Michael Stapelberg
975f05d7ac fix dhcp4d_test.go 2019-07-20 11:30:52 +02:00
Michael Stapelberg
c602f1d6b6 dhcp4d: introduce -interface flag 2019-07-20 10:50:30 +02:00
Michael Stapelberg
c0067c5aa5 change diff order to -want +got 
This is easier to read and consistent with how we do things at work.
 2019-07-11 08:42:21 +02:00
Michael Stapelberg
54843950dd dhcp6: allow overriding hardwareaddr in test 
This fixes the breakage introduced by commit
8166b9a9db
 2019-04-29 19:16:19 +02:00
Michael Stapelberg
ea8efe1978 log hardwareAddr for debugging travis 2019-04-29 19:02:39 +02:00
Andrea Barberio
4b3cbd556f Fix build after insomniacslk/dhcp constant moved 
The AllDHCPRelayAgentsAndServers constant has moved from client6 to
dhcpv6 in insomniacslk/dhcp . This PR fixes the build after
https://github.com/insomniacslk/dhcp/pull/278

Signed-off-by: Andrea Barberio <insomniac@slackware.it>
 2019-04-29 15:43:30 +01:00
Michael Stapelberg
1a65f972c6 dhcp6: only call net.InterfaceByName when client is constructed 2019-04-16 08:36:06 +02:00
Andrea Barberio
26075c4957 dhcp6: use NewSolicit instead of removed NewSolicitForInterface 
In https://github.com/insomniacslk/dhcp/pull/256 NewSolicitForInterface
was removed in favour of NewSolicit. This PR fixes the build failure due
to that change.
 2019-04-10 09:54:16 +02:00
Michael Stapelberg
3765287e97 dhcp4: use SetReadDeadline, not SetDeadline 
fixes https://github.com/rtr7/router7/issues/25

related to https://github.com/mdlayher/raw/issues/42
 2019-03-21 09:18:32 +01:00
Christopher Koch
33348e1f0d dhcp6: use updated DHCPv6 stuff 2019-03-13 20:31:36 +01:00
Michael Stapelberg
8906854211 fix compilation after https://github.com/mdlayher/netlink/pull/127 2019-03-03 16:09:20 +01:00
Michael Stapelberg
3dad1e9a23 dhcp4: use the configured (not the current) MAC address 
This fixes a race where dhcp4 started before netconfigd had a chance to change
the hardware address on the uplink0 interface.

fiber7’s port security feature may result in an about hour-long internet outage
without this commit.
 2019-02-19 09:39:16 +01:00
Michael Stapelberg
66942bd4f7 dns: steer traffic toward the most response upstream 
There is not much of a difference between IPv4 and IPv6 on my fiber7 link, but
in other networks, there might well be.

For my connection, this commit results in hitting different upstreams all the
time because the list isn’t stable. But, this is the opposite of a problem: we
are spreading the DNS query load over all configured IPs, as good netizen do.
 2019-02-19 09:37:38 +01:00
Michael Stapelberg
a05f027765 dns: fallback only once, i.e. prefer the working server next time 2019-02-19 08:49:40 +01:00
Michael Stapelberg
ccaf6ad452 dns: fallback to next upstream upon failure 2019-02-19 08:38:52 +01:00
insomniac
cbff6a2541 internal/dhcp6: fix build after DHCP library API change (#23) 2019-01-28 22:06:10 +01:00
Chris K
ea50066bad dhcpv6: use new TransactionID type (#21) 2019-01-27 11:47:19 +01:00