lordwelch/router7
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25 Commits

Author SHA1 Message Date
lordwelch
67711ee2c7 Merge branch 'master' of https://github.com/rtr7/router7 2022-03-04 13:30:38 -08:00
Matt Layher
6d41b077a9
internal/dhcp*: switch to github.com/mdlayher/packet (#70) 
* internal/dhcp*: switch to github.com/mdlayher/packet
* internal/dhcp4d: update test constructor name to avoid packet conflict

Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2022-02-21 23:39:06 +01:00
lordwelch
b801bf699f Re-Add DHCP discover fallback for ISPs that don't advertise DHCP 2021-05-23 19:38:38 -07:00
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
Matt Layher
411780cd8e
internal/dhcp4: fix error case 
Signed-off-by: Matt Layher <mdlayher@gmail.com>
 2020-05-09 17:00:07 -04:00
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
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
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
ddcdd39737 dhcp4: drop last ack to restart with DISCOVER upon receiving NAK 
fixes #13
 2018-12-25 14:10:21 +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
Michael Stapelberg
8c55c5ba44 dhcp4: switch to github.com/rtr7/dhcp4 
All existing DHCPv4 packages I looked at were unappealing for one reason or
another, so we’re now using a little helper to glue github.com/google/gopacket
and github.com/mdlayher/raw together, which suffices for our use-case and gives
us more control.
 2018-11-21 08:18:58 +01:00
Michael Stapelberg
0bbc1d923d refactor replayer code into pcapreplayer package 2018-10-22 21:04:35 +02:00
Philipp Hug
aa404c3c54 Request nameserver, router and netmask as it might not be automatically returned by dhcp server. (#7) 2018-09-05 10:06:31 -06:00
Michael Stapelberg
b05fd74006 dhcp4: increase timeout to 10s 2018-07-03 17:37:17 +02:00
Michael Stapelberg
ff7aa8f2cb add copyright notices 2018-06-28 20:08:23 +02:00
Michael Stapelberg
8b85084429 dhcp4: persist DHCPACK to renew existing lease after reboot 2018-06-15 17:30:57 +02:00
Michael Stapelberg
d2ecb190ac dhcp4: skip DHCPDISCOVER when renewing 2018-06-15 09:58:51 +02:00
Michael Stapelberg
19aa03bf58 dhcp4: specify previous IP address when renewing 2018-06-13 19:32:20 +02:00
Michael Stapelberg
c28d816805 update for dhcp4client changes 2018-06-02 10:15:50 +02:00
Michael Stapelberg
2079aea3a1 return better error message for -EAGAIN 2018-06-01 22:18:30 +02:00
Michael Stapelberg
c05bd22afe make temporary errors temporary, not permanent 2018-06-01 22:18:15 +02:00
Michael Stapelberg
7f93ea6661 hook up SIGUSR2 to DHCPRELEASE 2018-06-01 22:18:04 +02:00
Michael Stapelberg
6b9ce5728a Initial commit 2018-05-27 17:30:42 +02:00