You are kidding right?
Did you even try this from a test class?
--
James Mitchell
Software Engineer / Open Source Evangelist
EdgeTech, Inc.
678.910.8017
AIM: jmitchtx
----- Original Message -----
From: "Christian Riedel" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, August 26, 2004 4:20 AM
Subject: Is struts interfering with Runtime.exec() calls?
> Hi all,
>
> some days ago I posted a problem about not being able to do a chmod on
> the local file system from withing my webapp via a Runtime.exec() call.
> To achieve this I tried the following call:
>
> > "/bin/chmod 660 /home/sarek/test/testfile"
>
> wich did not show any effect. Nor do most of the other calls I tried
> which only had other permissions to be set.
>
> Here is a list of my attempts and their results:
>
> new perm before after
> ------------------------------------------
> g+rw -rw------- -rw-------
> u=rw,g=rw -rw------- -rw-------
> 0660 -rw------- -rw-------
> 0770 -rw------- -rw-------
> 770 -rw------- -rw-------
> 777 -rw------- -rw-------
> 664 -rw------- -rw-------
>
> but most suprisingly:
>
> 064 -rw------- ----rw-r--
>
> Now the problem is that I need to set the file's permission to
> -rw-rw---- which I have not managed to do so far :-(
>
> I thought there was a problem with tomcat and and security issues that
> prevents me from doing such things. So I just tried a small test-jsp to
> see if this was really the case:
>
> > <html>
> > <head>
> > <title>Page to test java.lang.Runtime calls for
chmod</title>
> > <head>
> > <body>
> > <%
> > try {
> > String chmod = "/bin/chmod 660 /home/sarek/test/testfile";
> > Runtime run = Runtime.getRuntime();
> > out.println("- got Runtime<br>");
> > Process p = run.exec(chmod);
> > out.println("- executed: "+chmod+"<br>");
> > p.waitFor();
> > out.println("- Process ended with exit code
"+p.exitValue()+"<br>");
> > }
> > catch (Exception e){
> > out.println("<br><font color='red'><strong>- caught exception:
"+e.getMessage()+"</strong></font><br>");
> > }
> > %>
> > </body>
> > </html>
>
> With the result that any permissions I tried to set with this page are
> set just as I want them to. So it does not seem that tomcat is the
problem.
>
> Now my actual question:
>
> Can it be that struts - because I actually want to call the chmod
> command from within a struts based application - is interfering with my
> attempts to do this Runtime call?
>
> I have no idea why all other attempts work but not when doing it from
> within the application itself. We don't have any security manager set
> and the testfile I pasted before works fine on the same tomcat instance.
>
> Can anyone help me?
>
> TIA
>
> Christian
> --
> To reply to this posting directly use the following address and
> remove the 'NO-SPAM' part: [EMAIL PROTECTED]
>
>
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