[9] Review request : JDK-6933879: URISyntaxException when non-alphanumeric characters are present in scope_id

[Konstantin Shefov]

Kindly reminder

On 12.01.2015 17:37, Konstantin Shefov wrote:
> Hello, Chris
>
> You have asked "Have you seen NetworkInterface.getName() return names 
> with ‘_’, ’.’, or ‘:’ ,or is this theoretical?"
>
> I can answer your question. I have named one of network interfaces on 
> my Linux desktop like "eth0.1_55".
>
> ifconfig says:
> eth0.1_55 Link encap:Ethernet  HWaddr 08:00:27:10:c0:3e
>           inet addr:10.162.82.115  Bcast:10.162.83.255 Mask:255.255.254.0
>           inet6 addr: 2606:b400:81c:1050:6568:8bee:d39b:68aa/64 
> Scope:Global
>           inet6 addr: 2606:b400:81c:1044:a00:27ff:fe10:c03e/64 
> Scope:Global
>           inet6 addr: 2606:b400:81c:1050:a00:27ff:fe10:c03e/64 
> Scope:Global
>           inet6 addr: fe80::a00:27ff:fe10:c03e/64 Scope:Link
>           inet6 addr: 2606:b400:81c:1044:6568:8bee:d39b:68aa/64 
> Scope:Global
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:1198 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:255 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:144325 (144.3 KB)  TX bytes:31843 (31.8 KB)
>
> Simple java code
>
> Enumeration<NetworkInterface> nis = 
> NetworkInterface.getNetworkInterfaces();
> System.out.println(nis.nextElement().getName());
>
> returns exactly "eth0.1_55".
>
> This means we can include dot "." and underscore "_" symbols to URI 
> scope id.
>
> -Konstantin
>
> On 11.12.2014 18:29, Chris Hegarty wrote:
>> On 11 Dec 2014, at 11:09, Konstantin Shefov 
>> <konstantin.shefov at oracle.com> wrote:
>>
>>> CC'ed core-libs-dev at openjdk.java.net
>>>
>>> On 10.12.2014 18:21, Konstantin Shefov wrote:
>>>> Hello,
>>>>
>>>> Please, review the bug fix: 
>>>> https://bugs.openjdk.java.net/browse/JDK-6933879
>>>> Webrev: http://cr.openjdk.java.net/~kshefov/6933879/webrev.00
>>>>
>>>> It is suggested to add some more symbols allowed for scope id in 
>>>> IPv6 URI, namely "_", "." and ":", because these symbols may be 
>>>> included in network interface names. Now only alphanumeric 
>>>> characters are allowed to be in a scope id.
>>  From Inet6Address, "Textual representation of IPv6 scoped addresses” 
>> [1] :
>>
>>    “…
>>     As a string. This must be the exact string that is returned by
>>     NetworkInterface.getName() for the particular interface in
>>     question. When an Inet6Address is created in this way, the
>>     numeric scope-id is determined at the time the object is
>>     created by querying the relevant NetworkInterface."
>>
>> Have you seen NetworkInterface.getName() return names with ‘_’, ’.’, 
>> or ‘:’  ,or is this theoretical ?
>>
>> -Chris.
>>
>> [1] 
>> http://docs.oracle.com/javase/8/docs/api/java/net/Inet6Address.html#scoped
>>
>>
>>>> Thanks
>>>> -Konstantin
>