DHCP option host-name matching

[Bradford Dickerson]

Thanks Glenn! I didnt see that option when looking at man pages first time through but now I do!. Thx, Brad
> On Mar 13, 2016, at 10:24 PM, Glenn Satchell <glenn.satchell at uniq.com.au> wrote:
> 
> Regex matching has been a part of the syntax for many years. See dhcp-eval
> man page on your system.
> 
>     data-expression-1 ~= data-expression-2 data-expression-1  ~~
>     data-expression-2
> 
>       The ~= and ~~ operators (not  available  on  all  systems)
>       perform  extended  regex(7)  matching of the values of two
>       data  expressions,  returning  true  if  data-expression-1
>       matches  against the regular expression evaluated by data-
>       expression-2, or false if it does not match or  encounters
>       some  error.   If  either the left-hand side or the right-
>       hand side are null or empty strings, the  result  is  also
>       false.   The  ~~  operator differs from the ~= operator in
>       that it is case-insensitive.
> 
> So you'll want something like this, but it's not foolproof either as the
> user could name the system anything they like.
> 
> class "IPHONE_ACCORDING_TO_HOSTNAME" {
>   match if option host-name ~= "iPhone";
> }
> 
> regards,
> -glenn
> 
> On Sat, March 12, 2016 9:06 am, Bradford Dickerson wrote:
>> Thanks Jose for pointer to list. I could use that to identify Apple
>> clients. To narrow it down to various apple types such as iphones, ipads
>> vs mac computers dont think it will help.
>> 
>>> On Mar 11, 2016, at 4:44 PM, José Queiroz <zekkerj at gmail.com> wrote:
>>> 
>>> Have you seen this?
>>> https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob_plain;f=manuf
>>> <https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob_plain;f=manuf>
>>> 
>>> PS: Sorry the [possible] double posting, for some reason my messages
>>> aren't being received by the list.
>>> 
>>> 2016-03-11 18:09 GMT-03:00 Bradford Dickerson <bra00424 at mac.com
>>> <mailto:bra00424 at mac.com>>:
>>> Hi Jose,
>>>    Thanks for replying. Was looking into that but was unsuccessful (
>>> searching on the web ) finding a list(range) of OUIs that Apple used
>>> specifically for their iphones. Thx, Brad
>>> 
>>>> On Mar 11, 2016, at 3:43 PM, José Queiroz <zekkerj at gmail.com
>>>> <mailto:zekkerj at gmail.com>> wrote:
>>>> 
>>>> Hi Bradford,
>>>> 
>>>> It will be much easier if you use MAC Addresses to do that. That way
>>>> you may use the MAC's OUI to determine the device's branding.
>>>> 
>>>> 2016-03-11 17:35 GMT-03:00 Bradford Dickerson <bra00424 at mac.com
>>>> <mailto:bra00424 at mac.com>>:
>>>> Hi,
>>>>  At our company, we are trying to hand out IP ranges based on the
>>>> characteristics of the client. For example using a class declaration
>>>> as follows:
>>>> 
>>>> class "IPHONE_ACCORDING_TO_HOSTNAME" {
>>>>  match if substring(option host-name,0,6) = "iPhone";
>>>> }
>>>> 
>>>> but I notice many iphones have names like ‘Brad-iPhone’ or
>>>> ’TomIphone’ does not quite match above . Is there any plan to
>>>> support regex type matches?
>>>> 
>>>> Thx,
>>>> Brad
>>>> _______________________________________________
>>>> dhcp-users mailing list
>>>> dhcp-users at lists.isc.org <mailto:dhcp-users at lists.isc.org>
>>>> https://lists.isc.org/mailman/listinfo/dhcp-users
>>>> <https://lists.isc.org/mailman/listinfo/dhcp-users>
>>> 
>>> 
>> 
>> _______________________________________________
>> dhcp-users mailing list
>> dhcp-users at lists.isc.org
>> https://lists.isc.org/mailman/listinfo/dhcp-users
> 
> 
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users