RE: Runtime.exec security issue?

andy wix Tue, 30 Nov 2004 02:18:36 -0800

Any further thoughts on this issue? There must be some reason why this won't run under Tomcat but does work stand-alone.

To recap, I am trying to execute the following code on an Xp box with Tomcat 5.0.27:

Process proc = runtime.exec("cmd.exe /C shutdown -r -f -m \\myPC -t 50");
int exitVal = proc.waitFor();

When this runs the proc exits with a value of 0 but nothing happens (no re-boot) and no exceptions are thrown.

I have tried running the code from a batch file and without the cmd.exe /C bit.

I have tried running Tomcat from the command line (not as service).

I have tried allowing all permissions in the catalina.policy file:
grant codeBase "file:${catalina.home}/webapps/ROOT/WEB-INF/classes/-" {
   permission java.security.AllPermission "*";
};

I CAN successfully set the the system time and date using the same approach
though.

I am truly flummoxed!

Thanks,
Andy

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RE: Runtime.exec security issue?

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