netfilter buglog - Dec 2018 - [Bug 1312] New: Interval should accept same start and end values as single value instead of throwing error

https://bugzilla.netfilter.org/show_bug.cgi?id=1312

            Bug ID: 1312
           Summary: Interval should accept same start and end values as
                    single value instead of throwing error
           Product: nftables
           Version: unspecified
          Hardware: x86_64
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: nft
          Assignee: pablo at netfilter.org
          Reporter: anon.amish at gmail.com

When using a set with interval if start and end values (IP or port) are same
then nft throws an error.

$ nft -f -
add set ip filter test { type ipv4_addr; flags interval; elements = {
8.8.8.8-8.8.8.8 } }
/dev/stdin:1:70-84: Error: Range has zero or negative size

$ nft -f -
add set ip filter test { type inet_service; flags interval; elements = { 80-80
} } 
/dev/stdin:1:73-77: Error: Range has zero or negative size

Obviously range has exactly ONE ip or port. Its not zero or negative in size.

So nft should treat this as a single IP (or single port) instead of throwing
error. This helps scripting a bit easy, without need to check if start and end
values are same.

Please consider. Thank you.

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https://bugzilla.netfilter.org/show_bug.cgi?id=1312

Karuna Grewal <karunagrewal98 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |karunagrewal98 at gmail.com

--- Comment #1 from Karuna Grewal <karunagrewal98 at gmail.com> ---
Hi,
Can someone please confirm if the change is supported by the nftables devs?
I've a patch for the same.
Waiting for reply!
Thanks
/cc Pablo Neira Ayuso

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--- Comment #2 from A M <anon.amish at gmail.com> ---
(In reply to Karuna Grewal from comment #1)
> I've a patch for the same.
Please attach the patch to bug report. Thank you

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kfm at plushkava.net changed:

           What    |Removed                     |Added
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                 CC|                            |kfm at plushkava.net

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kfm at plushkava.net changed:

           What    |Removed                     |Added
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             Blocks|                            |1461

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