[Dnsmasq-discuss] [PATCH] Add RFC 4833 DHCP timezone options

Petr Menšík pemensik at redhat.com
Wed Sep 8 21:17:38 UTC 2021


Oh cool, did not know these lists exist. Even after some years close to
dnsmasq and still finding new things.

Thanks!

On 9/8/21 10:27 PM, Simon Kelley wrote:
> On 06/09/2021 10:16, Petr Menšík wrote:
>> I would like officially assigned option name to used if possible. I
>> admit pcode and tcode are not best names for it, but they are listed
>> like that on IANA [1]. I guess comment would be nice, explaining purpose
>> and RFC reference.
>>
>> Kea DHCP server [2] uses also pcode and tcode, can we make match them?
>> Is there any other documentation for supported dhcp option names
>> excluding source code? Are used names based on usage in other products?
>>
>
> The others in that table don't use official IANA names, it's intended to
> be easily-understandable names for common dhcp options in configuration
> and logging. As such I'm happy with the patch.
>
> dnsmasq --help dhcp will dump the known options, names and numbers.
>
>
>
> Cheers,
>
> Simon.
>
>
>> 1.
>> https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml#options
>>
>> 2.
>> https://kea.readthedocs.io/en/kea-1.6.2/arm/dhcp4-srv.html#dhcp4-std-options-list
>>
>> On 9/3/21 2:13 PM, Dominik DL6ER wrote:
>>> Hey Simon,
>>>
>>> this small patch adds the DHCP options "posix-timezone" and "tzdb-
>>> timezone" as defined in RFC 4833, Section 2:
>>> https://datatracker.ietf.org/doc/html/rfc4833#section-2
>>>
>>> Examples for valid options are
>>>
>>>> dhcp-option = option:posix-timezone,"CEST-
>>> 1CET,M3.2.0/2:00:00,M11.1.0/2:00:00"
>>>
>>> and
>>>
>>>> dhcp-option = option:tzdb-timezone,"Europe/Berlin"
>>> Best,
>>> Dominik
>>>
>>> _______________________________________________
>>> Dnsmasq-discuss mailing list
>>> Dnsmasq-discuss at lists.thekelleys.org.uk
>>> https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
>> -- 
>> Petr Menšík
>> Software Engineer
>> Red Hat, http://www.redhat.com/
>> email: pemensik at redhat.com
>> PGP: DFCF908DB7C87E8E529925BC4931CA5B6C9FC5CB
>>
>>
>> _______________________________________________
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>> Dnsmasq-discuss at lists.thekelleys.org.uk
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>>
>
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-- 
Petr Menšík
Software Engineer
Red Hat, http://www.redhat.com/
email: pemensik at redhat.com
PGP: DFCF908DB7C87E8E529925BC4931CA5B6C9FC5CB




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