Simon Zolin c5ed6da5bd - /control/dhcp/find_active_dhcp: fix DHCP server detection ...

Before this patch we couldn't receive incoming DHCP packets.
Now we bind() to 0.0.0.0 and set the required network interface
 using SO_BINDTODEVICE option.

As an improvement, we now wait until a reply to our request is
 received and skip all unknown packets.

2019-04-23 12:26:14 +03:00

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