[Dnsmasq-discuss] FreeBSD TFTP issue (failure to serve via IPv4) reported against 11.3/12.x

[Simon Kelley]

On 05/10/2019 09:44, Matthias Andree wrote:
> Am 05.10.19 um 09:54 schrieb Geert Stappers:
>> Questions:
>> Which version of Dnsmasq did work?  ( git bi-sect  known good)
>> Which version of Dnsmasq doesn't work?  ( git bi-sect  known bad)
>>
>> In case it is stated in
>>> <https://forums.freebsd.org/threads/dnsmasq-tftp-service-not-working-any-longer.72457/#post-440976>
>>> <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241068>
>> have the curitisy to state it here also ...
> 
> FreeBSD have been shipping 2.80 for a long time (since before
> 2019-07-01), if there's a mismatch in the source code and what they
> quote in the Forums, it'll be easy to spot.
> The thing is not that dnsmasq changed, but that FreeBSD changed and it
> appears that some interface fiddling makes assumptions that were true in
> 11.2 but no longer hold in FreeBSD >= 11.3.
> 
> 


The patch in the buzilla entry looks good to me. The dnsmasq code is
wrong and has been for some time. The version-dependent failure is
probably down to the order in which the data is added to the control
array, or the relative size of the two datastructures changing.

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=936bd82755e8f75fc09c1e9a67fb390175b157d4

should fix things. PLs test.


Cheers,

Simon.


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