How to run shell commands with root privileges in Java

Question

I need to run shell commands (in my case ipfw) in Java with root privileges. I use ProcessBuilder to run commands with no privileges:

Process p = new ProcessBuilder("ls","/").start();

BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));

String s;
while((s=br.readLine()) != null) {
    System.out.println(s);
}

This code work fine but I need to run something like sudo root command. How can I do?

I need to run this program in Eclipse, Mac OS X 10.6.8

Edit: for now I use sudo java nameclass from terminal but in this way I have to manually add all the referenced classes.

C. K. Young · Accepted Answer · 2011-11-05 16:40:16Z

6

Easy!

Set up your sudoers to not require a password for ipfw:
```
user = NOPASSWD: /usr/sbin/ipfw
```
Use sudo as usual.

answered Nov 5, 2011 at 16:40

C. K. Young

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4 Comments

C. K. Young Over a year ago

sudo visudo. Edit to your heart's content.

Baduel Over a year ago

Do I must add this line under # User privilege specification?

C. K. Young Over a year ago

Yes, you should add it there.

Baduel Over a year ago

I've put the line there but it response me with error in that line. I've also substituted user with myusername but the error is the same.

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