On 2/12/23 20:23, Simon Kelley wrote:
On 12/02/2023 16:19, Harald Jensas wrote:
On 2/11/23 23:39, Simon Kelley wrote:
Is dnsmasq acting as the relay or as the DHCP server in that pcap?
Simon.
dnsmasq is acting as the DHCP server in the attached pcap.
I'm confused.
The code in dnsmasq to handle a dhcpv6 packet which has been relayed is
at line 233 in src/rfc3315.c
For each option in the relayed message:
If it's an encapsulated DHCPv6 request, is gets replaced with an
encapsulated DHCPv6 reply.
Any other option gets copied from the request to the reply EXCEPT option
79, which is not copied at all.
I can't see where the zero-length option 79 is coming from in that code,
it shouldn't be copied at all.
Looking at git blame, this code was fixed in 2019, around version 2.81.
Are you using really old code?
Yes, we are running ancient code. :(
It is 2.79 with several patches/fixes applied, but not commit
f8c77edbdffb8ada7753ea9fa104f0f6da70cfe3 which is what we need.
Sorry for the noise, you fixed this already long time ago.
--
Harald
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