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192 Commits

Author SHA1 Message Date
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
Chris K
a3799c4ec5 dhcp6: use changed type name. (#19) 2019-01-15 08:02:56 +01:00
Michael Stapelberg
13926217d9 oui_test: fix data race when overriding ouiURL 2019-01-06 18:07:59 +01:00
Michael Stapelberg
6320b6c3a7 dhcp4d: display MAC vendor of each lease’s HardwareAddr 2019-01-06 18:02:01 +01:00
Michael Stapelberg
8df6329209 use renameio to write files atomically 2019-01-06 15:25:33 +01:00
Michael Stapelberg
bd8fc63b0e dns: implement per-DHCP-lease dyndns 
The HTTP API is easy to use from the command line or from Go:

% curl --data "host=sub&ip=192.168.33.44" -4 http://router7:8053/dyndns
ok
% host sub.$(hostname)
sub.midna has address 192.168.33.44

This can be used in combination with https://github.com/gokrazy/gdns
 2019-01-06 14:41:26 +01:00
Michael Stapelberg
92d995bf79 dns: return empty reply for non-A queries for DNS hostnames 
instead of NXDOMAIN, which is incorrect
 2019-01-01 17:21:50 +01:00
Michael Stapelberg
c7be96ac2e dhcp4d: fix IP address comparison 
AFAICT, this wasn’t actually a bug: canLease performs the correct check.
 2019-01-01 10:45:03 +01:00
Michael Stapelberg
0d2e89cebf dhcp4d_test: fix message to match comparison 2019-01-01 10:44:03 +01:00
Michael Stapelberg
b923f145a5 dhcp4d: don’t incorrectly _offer_ reused addresses 
Turns out a5d9e03dd3212f7f0c11dd856b308a16a58a3cdf was not entirely sufficient:
even though reused addresses would not be handed out anymore, they would still
be offered, which results in the client not being able to obtain an address.
 2019-01-01 10:41:29 +01:00
Michael Stapelberg
ddcdd39737 dhcp4: drop last ack to restart with DISCOVER upon receiving NAK 
fixes #13
 2018-12-25 14:10:21 +01:00
Michael Stapelberg
725262d376 netconfig: use sysctl format for easier copy&paste 2018-12-25 14:08:14 +01:00
Michael Stapelberg
9012520052 diag: more informative error messages 2018-12-15 13:36:21 +01:00
Michael Stapelberg
a5d9e03dd3 dhcp4d: don’t incorrectly hand out reused addresses 
fixes #18
 2018-12-15 12:44:09 +01:00
Michael Stapelberg
ec4f1f4dc5 netconfig: implement WireGuard support 
To set up a tunnel, create a /perm/wireguard.json as illustrated in
netconfig_test.go, and don’t forget to adjust your /perm/interfaces.json with
the address configuration for the WireGuard tunnel.

Note that static routes cannot currently be configured, so the usefulness is
limited. If you have a use-case you’d like to see covered, please explain it in
https://github.com/rtr7/router7/issues/14
 2018-11-26 18:29:03 +01:00
Michael Stapelberg
ac883da6a5 dns_test: xps → testtarget 
This fixes running the tests on xps, where the entry derived from os.Hostname
would clash with the xps entries the testcase tries to install.
 2018-11-22 17:03:51 +01:00
Michael Stapelberg
df9a40557c dhcp4: correctly check errors from c.once 2018-11-21 08:41:24 +01:00
Michael Stapelberg
bef7168112 dhcp4: resolve TODOs in comments 2018-11-21 08:41:07 +01:00
Michael Stapelberg
5b34daeb4e no-op cleanup: switch to dhcp4.LeaseFromACK 2018-11-21 08:23:57 +01:00