On Sun, Oct 31, 2010 at 9:31 AM, eveningnick eveningnick
<[email protected]> wrote:
> Hello
> How, using an ordinary application (started by "doubleclicking" from
> /Applications), i could create/modify/delete that file?
> Is it possible at all, according to OS X current security model?

Not unless the permissions for that file are incorrect - not a
situation I'd be willing to depend on.

> Maybe i could display a "User login" inbox somehow then, to let user
> authorise to perform that operation? What API should i use then?

Authorization Services:

  
<http://developer.apple.com/library/mac/#documentation/Security/Conceptual/authorization_concepts/01introduction/introduction.html>

> My application - is an ordinary Cocoa app, created using XCode

You'll need to create a separate "helper tool" that has admin
privileges. After reviewing the "Concepts" section, have a look at the
"Authorizing in a Factored Application" section under "Tasks."

sherm--

-- 
Cocoa programming in Perl:
http://camelbones.sourceforge.net
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