[Gnash-commit] [bug #42395] No respons from panopticlick site when gnash is activated

[Nutchanon Wetchasit]

Follow-up Comment #4, bug #42395 (project gnash):

For the problem of data marshalling, I've created a test Flash/HTML file
(using libming's makeswf again) to demonstrate how variables of various type
got translated via `GetVariable(variablePath)` call. This test is done
*without slash-colon notation*.

When running `getvariable.html` on browser with Adobe Flash Player
<http://i.imgur.com/LDpXZaa.png>:

Flash's string_variable: type=string, value=Hello!
Flash's integer_variable: type=string, value=1234
Flash's float_variable: type=string, value=1234.5678
Flash's infinite_variable: type=string, value=Infinity
Flash's neginfinite_variable: type=string, value=-Infinity
Flash's nan_variable: type=string, value=NaN
Flash's boolean_variable: type=string, value=true
Flash's undefined_variable: type=string, value=undefined
Flash's nonexistent_variable: type=object, value=null
Flash's null_variable: type=string, value=null
Flash's array_variable: type=string,
value=The,quick,brown,fox,jumps,over,the,lazy,dog
Flash's object_variable: type=string, value=[object Object]


You'd see that all values are properly passed to JavaScript in string form.
The only exception is nonexistent variable, which is passed as `null`.

When running `getvariable.html` on browser current Gnash 0.8.11dev git
<http://i.imgur.com/TTX3VVo.png>:

Flash's string_variable: type=string, value=Hello!
Flash's integer_variable: type=number, value=1234
Flash's float_variable: type=number, value=1234.5678
Flash's infinite_variable: type=number, value=0
Flash's neginfinite_variable: type=number, value=0
Flash's nan_variable: type=number, value=0
Flash's boolean_variable: type=boolean, value=true
Flash's undefined_variable: type=object, value=null
Flash's nonexistent_variable: type=object, value=null
Flash's null_variable: type=object, value=null
Flash's array_variable: type=function, value=[object NPObject JS wrapper
class]
Error occured:
Error: Error calling method on NPObject!


You'd see that values are *returned using original types*,
+/-Infinity, NaN, undefined, and Array are not passed properly,
then plugin *crashed*.

Note: generic Object type will also result in the same crash (and same
`type=function, value=[object NPObject JS wrapper class]` output)
if the corresponding JavaScript code had been run before Array's one.


Test Flash/HTML file, source code, build script, full text outputs, 
and screenshots of both cases are attached (getvariable.zip).

Gnash: 0.8.11dev (git 88f86a3 19-Aug-2015) NPAPI
Adobe Flash Player: 11.2 r202 (11.2.202.491) NPAPI binary
Browser: Iceweasel 10.0.12 (debian)
System: Debian GNU/Linux 7.0 Wheezy i386


(file #34682)
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Additional Item Attachment:

File name: getvariable.zip                Size:18 KB


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