Get file permissions in Android (root)

Question

After some play around with rooted devices, I got stuck on the files. Let's say we have a file somewhere in the root folder which I want to read/write from my application. The only way I found so far is changing the file permission like

String [] cmd = { "su", "-c", "chmod", "777", path};
Process process = new ProcessBuilder(cmd).start();
process.waitFor();

This works fine, the problem is that I want to return back the original file permissions after I'm done with it.

Can anybody help me with getting a file/directory current permissions?

score 4 · Accepted Answer · edited May 23 '17 at 11:44

4

Do ls -l on file/directory and parse the output

EDIT BY OP: the solution is in this thread. This answer just pushed me in the right direction.

edited May 23 '17 at 11:44

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answered Apr 08 '13 at 22:41

Marcin Orlowski

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I like the idea, just made some tries but it will be tricky unless I don't have access to the directory. I continue tomorrow. – mihail Apr 08 '13 at 23:15
if called with `su ls -l`, it doesn't return anything. – mihail Apr 09 '13 at 09:16
su ls -l needs root permissions (Root device) – Jzapata Apr 23 '16 at 23:24

Get file permissions in Android (root)

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