Re: [PATCH 4/4] Allow protocol to be separated from host with a semicolon

[Matthew Garrett]

On Tue, Jan 24, 2017 at 10:18 PM, Michael Chang <address@hidden> wrote:
> On Tue, Jan 24, 2017 at 12:50:37PM -0800, Matthew Garrett wrote:
>> The DHCP server will return a string in the boot_file field. If you
>> want to indicate that this file should be obtained over http, the
>> easiest way to handle this is to provide a boot file in the form
>> (http,host)filename. Unfortunately dnsmasq uses commas to tokenise its
>> configuration parameters and there appears to be no way to override
>> that, which makes it impossible to provide a boot file in this form.
>> Allowing the use of an alternative character avoids this problem.
>
> To my understanding, you can (and have to) use the url form in boot-file and
> specify vendor-class-identifier to "HTTPClient" to let the UEFI firmware knows
> this as a response to HTTP boot request and handle that boot-file accordingly,
> then continue with that url loaded and run as NBP.

We're passing the bootfile to grub in order to obtain further
configuration, so the firmware isn't relevant here.