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Old 04-24-2014, 04:57 AM   #1
Ricky23289
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Access denied on serversocket.accept

Hi,

I'm trying to create a Server on the kindle, but I'm always getting a java.net.SocketPermission Exception.

This is my code
Code:
int listenPort = 1337;
SocketPermission socketPermission = new SocketPermission("192.168.15.245:1337-10010", "listen,connect,accept");
			SecurityManager securityManager = System.getSecurityManager();
			securityManager.checkPermission(socketPermission);
		
			
			ServerSocket socketServer = new ServerSocket(listenPort);
			print("Waiting for connection...\n");			
			Socket connectedSocket = socketServer.accept();
When I'm running checkPermission I get an
Code:
access denied(java.net.SocketPermission 192.168.15.245:1337-10010 connect,listen,accept,resolve)
error.

If I'm leving out the checkPermission, I will get an access denied when the clients tries to connect to the server.

I signed my kindlet with dn. Just created a new keystore and checked everything yesterday again.

Any suggestions?
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Old 04-24-2014, 09:20 AM   #2
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Kindlets run inside of a sandbox.

Have you tried installing the Kindlet "Jailbreak" (newly re-named MKK: http://www.mobileread.com/forums/sho...d.php?t=233932 )?
What where the results?
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Old 05-10-2014, 03:42 AM   #3
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didn't work

It didn't work to install the new MKK and start my program again. But I started it without the KUAL. Maybe you ment starting it through KUAL might solve the problem?


ot: Was a little bit disturbed by the weekly exams. That took much time until I actually could test it

regards
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Old 05-10-2014, 08:46 AM   #4
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Quote:
Originally Posted by Ricky23289 View Post
It didn't work to install the new MKK and start my program again.
- - - -
That was my only idea, that the Kindlet sandbox was the source of the problem.

You might have to use the MKK **and** do a "set permission" call to allow the socket connection(s).
I am not sure, out of my depth on this subject.

Maybe someone else . . . .
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Old 05-10-2014, 05:12 PM   #5
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Check the full Kindlet JB project linked in the first post of the MKK thread, there's a back-end to integrate in your Kindlet to make use of it.

And you can then check any and all of our Kindlets to see how it was used .

Last edited by NiLuJe; 05-10-2014 at 05:15 PM.
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Old 07-11-2014, 09:44 AM   #6
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@NiLuJe
I guess you where the one who helped me in IRC as well.

I finally found time to go on with the project and get through all the hints in this post.
Unfortunately "kindle JB" and "kindlet JB" looks pretty much the same, so I was constantly on the wrong track.

solution:
  • getting ixtab's kindle jailbreak
  • getting the KUAL sources
  • taking a close look how the jailbreak was used
  • applying it to me
  • tadaaa

If anybody else runs into similar problems:
As soon as I cleaned up my code and got through all left problems, I'm going to write a small tutorial about how to get unrestricted access

greets
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Old 07-11-2014, 12:02 PM   #7
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@Ricky23289: Yup .

Yeah, I think the most recent Kindlet 'tutorial' we have is, like, over 2 years old? .
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