RFR: JDK-8347377 : Add validation checks for ICC_Profile header fields [v3]

Sergey Bylokhov serb at openjdk.org
Mon Jan 13 21:13:40 UTC 2025


On Mon, 13 Jan 2025 19:13:16 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   indentation
>
> src/java.desktop/share/classes/java/awt/color/ICC_Profile.java line 1176:
> 
>> 1174:                 return true;
>> 1175:             }
>> 1176:             default -> throw new IllegalArgumentException("Unknown Rendering Intent");
> 
> how it is handled by the lcms library? don't we need to ignore unknown intents(and other parameters) and lets lcms decide what to do?

> @mrserb Non-header data are updated using cooked approach (and validated by LCMS) whereas header data are updated using raw LCMS APIs hence require additional validation before setData() is called (On native side it is handled here: setTagDataNative() in [LCMS.c](https://github.com/openjdk/jdk/blob/63eb4853f6782f350f67b6bcf25d83bc4480be71/src/java.desktop/share/native/liblcms/LCMS.c#L445)).
> 
Then probably we can use approach similar to 8282577: https://github.com/openjdk/jdk/commit/f66070b00d4311c6e3a6fbf38956fa2d5da5fada and try to rely on lcms for validation.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23044#discussion_r1913811004


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