Re: File Permissions

[Greenhalgh David]

You have left out some details, but from what I read above, this is 
not a
perl issue.

To clarify, you have a perl script that creates a text file. You then 
open a
browser that downloads a Java applet from a remote server. You want 
this
applet to read the local file. Correct?

If so, then everything is working as expected. Because the browser 
downloads
the applet from a remote server, the applet is not "trusted" by the 
client
machine and the security mechanism disables disk IO for that applet
instance. It works when you run it locally because the browser trusts
applets that originate on the local machine.

You have 3 options:

1. Sign the applet with a signature issued by a CA.

2. Become your own CA, sign the applet, and register your CA with the 
client
browser.

3. lower or disable the security settings in the client browser.

Again, your problem is not related to perl, so you could get more ( 
better )
information in the proper forum.

Todd W.



It is a Perl issue I have. What is happening is that the Perl script is 
writing to a file, but it is writing to it as the WWW user. The text 
file is then used by the Java applet as an input. All this works, but I 
am not happy about having the permissions of the text file as allowing 
write access to the WWW user. What I would like to understand is how to 
set the permissions (or ownerships) from within the Perl script, so the 
psuedo code may look something like this:

psuedo
        chmod 777 textfile.txt
        open textfile.txt for write
        write to the textfile.txt
        close textfile.txt
        chmod 644 textfile.txt
end psuedo
That way I can use a cgi to edit the file and still maintain some 
modicum of security over its contents.

The Java is not the problem, it works fine.

Dave

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