Problems setting up dhcpv6 option 59 (boot file name -- rfc5970) on bind10

Angelo Failla pallotron at fb.com
Thu Jan 30 22:54:35 UTC 2014 

That worked,

Thanks Marcin. Will I receive an email what that ticket will be closed?
-- 
Angelo Failla

Site Reliability Operations Dublin
Pallotron at fb.com




On 1/28/14, 10:29 AM, "Marcin Siodelski" <marcin at isc.org> wrote:

>Angelo,
>
>Here is a new ticket I submitted for this issue:
>http://bind10.isc.org/ticket/3309
>
>We will work with a team to assign a proper priority for it.
>
>I am suggesting that you apply the following hack in the
>src/lib/dhcp/libdhcp++.cc, in function isStdOption:
>
>replace this:
>        if (code < 79 &&
>            code != 10 &&
>            code != 35) {
>            return (true);
>        }
>
>with this:
>
>        if (code < 49 &&
>            code != 10 &&
>            code != 35) {
>            return (true);
>        }
>
>as we currently provide definitions for standard options up to code 48.
>
>After that change you will have to rebuild bind10.
>
>With this change you'll be able to define your own definition for option
>59 using bindctl.
>
>Let me know if it works for you.
>
>Marcin
>
>
>
>----- Original Message -----
>> From: "Angelo Failla" <pallotron at fb.com>
>> To: "Marcin Siodelski" <marcin at isc.org>
>> Cc: bind10-dhcp at lists.isc.org
>> Sent: Tuesday, January 28, 2014 7:05:17 PM
>> Subject: Re: Problems setting up dhcpv6 option 59 (boot file name --
>>rfc5970) on bind10
>> 
>> Hello Marcin,
>> 
>> Thanks for your response, I don’t have an account yet. Can you submit
>>the
>> bug report for me?
>> Is there any work around this in the meantime?
>> 
>> Can I define option 59 as a member of the vendor-opts-space?
>> --
>> Angelo Failla
>> 
>> Site Reliability Operations Dublin
>> Pallotron at fb.com
>> 
>> 
>> 
>> 
>> On 1/28/14, 10:01 AM, "Marcin Siodelski" <marcin at isc.org> wrote:
>> 
>> >Angelo,
>> >
>> >Many thanks for your email. Currently dhcp server provides a limited
>>set
>> >of std option definitions. The option 59 doesn't have its definition in
>> >src/lib/dhcp/std_option_defs.h, and that's why the configuration
>> >mechanism complains. On the other hand, there is a function in
>>libdhcp++
>> >which you probably spotted already, that checks whether the given
>>option
>> >is a standard option or custom one. It does it to make sure that nobody
>> >overrides the format of a standard option, which doesn't make much
>>sense,
>> >but may rather cause trouble.
>> >
>> >However, this check shouldn't be so strict as long as we don't have
>> >definitions for all standard options as it causes grief for someone
>> >trying to setup the value for such an option.
>> >
>> >If you have an account on bind10.isc.org, can you please submit a bug
>> >ticket for your problem? Please assign it to DHCP sub-project and
>>libdhcp
>> >component. If you don't have an account, please let me know. I will
>>file
>> >a bug on my own.
>> >
>> >Thanks for your efforts and reporting this problem.
>> >
>> >Marcin
>> >
>> >
>> >
>> >----- Original Message -----
>> >> From: "Angelo Failla" <pallotron at fb.com>
>> >> To: "Angelo Failla" <pallotron at fb.com>, bind10-dhcp at lists.isc.org
>> >> Sent: Tuesday, January 28, 2014 6:40:22 PM
>> >> Subject: Re: Problems setting up dhcpv6 option 59 (boot file name
>> >>--	rfc5970) on bind10
>> >> 
>> >> It looks like you treat everything < 79 like standard option in
>> >> src/lib/dhcp/libdhcp++.cc
>> >> --
>> >> Angelo Failla
>> >> 
>> >> Site Reliability Operations Dublin
>> >> Pallotron at fb.com
>> >> 
>> >> 
>> >> 
>> >> 
>> >> On 1/28/14, 9:33 AM, "Angelo Failla" <pallotron at fb.com> wrote:
>> >> 
>> >> >Hi,
>> >> >
>> >> >I¹m testing bind10 dhcpv6 and I¹m having troubles setting up option
>>59.
>> >> >
>> >> >Here is my config:
>> >> >
>> >> >> config show_json Dhcp6/
>> >> >{"option-data": [{"data": "n", "code": 144, "space": "dhcp6",
>> >> >"csv-format": true, "name": "tmpfs"}, {"data":
>>"2401:db00:eef0:a52::,
>> >> >2401:db00:eef0:b52::", "code": 23, "space": "dhcp6", "csv-format":
>> >>true,
>> >> >"name": "dns-servers"}, {"data":
>> >> >"tftp://[fe80::202:c9ff:feca:f56a]:69/efi/efidefault", "code": 59,
>> >> >"space": "dhcp6", "name": "boot-file-name", "csv-format": true}],
>> >> >"option-def": [{"code": 144, "type": "string", "record-types": "",
>> >> >"encapsulate": "", "space": "dhcp6", "array": false, "name":
>>"tmpfs"}]}
>> >> >
>> >> >
>> >> >
>> >> >When running config commit I get this:
>> >> >
>> >> >> config commit
>> >> >Error: Configuration parsing failed: the CSV option data format can
>>be
>> >> >used to specify values for an option that has a definition. The
>>option
>> >> >with code 59 does not have a definition.
>> >> >Configuration not committed
>> >> >
>> >> >
>> >> >
>> >> >I tried to define option 59 like this:
>> >> >
>> >> >> config set Dhcp6/option-def[1]/name "boot-file-name"
>> >> >> config set Dhcp6/option-def[1]/code 59
>> >> >> config set Dhcp6/option-def[1]/type string
>> >> >> config set Dhcp6/option-def[1]/array false
>> >> >> config set Dhcp6/option-def[1]/record-types ""
>> >> >> config set Dhcp6/option-def[1]/space "dhcp6"
>> >> >> config set Dhcp6/option-def[1]/encapsulate ""
>> >> >
>> >> >But I get this error when committingŠ
>> >> >
>> >> >> config commit
>> >> >Error: Configuration parsing failed: unable to override definition
>>of
>> >> >option '59' in standard option space 'dhcp6'.
>> >> >Configuration not committed
>> >> >
>> >> >Any idea of what I¹m doing wrong? I guess the server treats option
>>59
>> >>as a
>> >> >standard v6 option but I can¹t find any reference of it in the html
>> >>guide
>> >> 
>>>(http://bind10.isc.org/docs/bind10-guide.html#dhcp6-std-options-list)
>> >> >
>> >> >I¹m running 1.1.0 (the stable version =>
>> >> >ftp://ftp.isc.org/isc/bind10/1.1.0/)
>> >> >
>> >> >
>> >> >--
>> >> >Angelo Failla
>> >> >
>> >> >Site Reliability Operations Dublin
>> >> >Pallotron at fb.com
>> >> >
>> >> >
>> >> >_______________________________________________
>> >> >bind10-dhcp mailing list
>> >> >bind10-dhcp at lists.isc.org
>> >> >https://lists.isc.org/mailman/listinfo/bind10-dhcp
>> >> 
>> >> _______________________________________________
>> >> bind10-dhcp mailing list
>> >> bind10-dhcp at lists.isc.org
>> >> https://lists.isc.org/mailman/listinfo/bind10-dhcp
>> >> 
>> 
>>

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