[Dnsmasq-discuss] Dnsmasq dhcp-optsdir remove options problem

[Lindgren Fredrik]

Thanks.


Have downloaded latest from your repo and tested it on my setup as well

/Fredrik

________________________________
Från: Simon Kelley <simon at thekelleys.org.uk>
Skickat: den 8 mars 2018 19:53
Till: Lindgren Fredrik; dnsmasq-discuss at lists.thekelleys.org.uk
Ämne: Re: SV: [Dnsmasq-discuss] Dnsmasq dhcp-optsdir remove options problem

Found the problem. Patch here.

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=4f7bb57e9747577600b3d385e0e3418ec17e73e0


Thanks for reporting this.


Cheers,

Simon.


On 07/03/18 15:38, Lindgren Fredrik wrote:
> OK.
>
>
> Here are the config options I use in case it has any impact
>
>
> dnsmasq.conf:
>
> port=0
> no-resolv
> no-poll
> interface=eq-mgmt
> bind-interfaces
> no-hosts
> dhcp-range=10.243.0.50,10.243.255.254,255.255.0.0,10m
> dhcp-option=3
> dhcp-option=12
> dhcp-option=option:ntp-server,10.243.0.2,10.243.0.3
> enable-tftp
> tftp-root=/var/tftpboot
> tftp-secure
> dhcp-script=/bin/echo
> log-dhcp
> dhcp-optsdir=/etc/dnsmasq.d/opts/
>
>
> Adding/removing line "option:router,10.243.0.1" to option file in the
> opts dir.
>
>
> Br,
> Fredrik
>
> ------------------------------------------------------------------------
> *Från:* Dnsmasq-discuss
> <dnsmasq-discuss-bounces at lists.thekelleys.org.uk> för Simon Kelley
> <simon at thekelleys.org.uk>
> *Skickat:* den 7 mars 2018 13:43
> *Till:* dnsmasq-discuss at lists.thekelleys.org.uk
> *Ämne:* Re: [Dnsmasq-discuss] Dnsmasq dhcp-optsdir remove options problem
>
> OK, sounds like there may be a bug. I'll try and reproduce this in the
> next day or two.
>
> Cheers,
>
> Simon.
>
> On 07/03/18 11:39, Lindgren Fredrik wrote:
>> I'm doing verification after removal in same way as when I add it, hence
>> debug output from dnsmasq process and dhcpdump capture
>>
>>
>> /Fredrik
>>
>>
>> ------------------------------------------------------------------------
>> *Från:* Dnsmasq-discuss
>> <dnsmasq-discuss-bounces at lists.thekelleys.org.uk> för Andy Hawkins
>> <andy at gently.org.uk>
>> *Skickat:* den 7 mars 2018 11:13
>> *Till:* dnsmasq-discuss at lists.thekelleys.org.uk
>> *Ämne:* Re: [Dnsmasq-discuss] Dnsmasq dhcp-optsdir remove options problem
>>
>> Hi,
>>
>> In article
>> <HE1PR0401MB2313F920FEC799628C3694CA8CD80 at HE1PR0401MB2313.eurprd04.prod.outlook.com>,
>>            Lindgren Fredrik<Fredrik.Lindgren at tieto.com> wrote:
>>> What I did to test this was to add "option:router,10.243.0.1" to a new opti=
>>> on file.
>>>
>>> Which is re-read by dnsmasq
>>>
>>>
>>> I start a dhclient that I'm testing with, output in console of dnsmasq indi=
>>> cate that router entry is part of response (also seen in dhcpdump of packag=
>>> e)
>>>
>>> I stop the dhclient and remove the config file with this option and send SI=
>>> GHUP to pid for dnsmasq
>>>
>>> Then start the dhclient again and still see the router entry being sent.
>>
>> When you say "still see the router entry being sent" are you just checking
>> the resulting IP configuration on the client, or are you actually capturing
>> the DHCP response with Wireshark or similar?
>>
>> If you haven't captured the actual response on the wire, that'd be my next
>> step to see if it's the client that's somehow remembering the information.
>>
>> Andy
>>
>>
>> _______________________________________________
>> Dnsmasq-discuss mailing list
>> Dnsmasq-discuss at lists.thekelleys.org.uk
>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
Dnsmasq-discuss Info Page<http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss>
lists.thekelleys.org.uk
A list for discussion about the dnsmasq DNS and DHCP server. Configuration, bugs and development. To control spam, only subscribers are allowed to post to the list.



>> Dnsmasq-discuss Info Page
>> <http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss>
Dnsmasq-discuss Info Page<http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss>
lists.thekelleys.org.uk
A list for discussion about the dnsmasq DNS and DHCP server. Configuration, bugs and development. To control spam, only subscribers are allowed to post to the list.



>> lists.thekelleys.org.uk
>> A list for discussion about the dnsmasq DNS and DHCP server.
>> Configuration, bugs and development. To control spam, only subscribers
>> are allowed to post to the list.
>>
>>
>>
>>
>>
>> _______________________________________________
>> Dnsmasq-discuss mailing list
>> Dnsmasq-discuss at lists.thekelleys.org.uk
>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
Dnsmasq-discuss Info Page<http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss>
lists.thekelleys.org.uk
A list for discussion about the dnsmasq DNS and DHCP server. Configuration, bugs and development. To control spam, only subscribers are allowed to post to the list.



>>
>
> _______________________________________________
> Dnsmasq-discuss mailing list
> Dnsmasq-discuss at lists.thekelleys.org.uk
> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
Dnsmasq-discuss Info Page<http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss>
lists.thekelleys.org.uk
A list for discussion about the dnsmasq DNS and DHCP server. Configuration, bugs and development. To control spam, only subscribers are allowed to post to the list.




-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/attachments/20180309/861698f9/attachment-0001.html>