Re: Authorization in an Installer plugin
Re: Authorization in an Installer plugin
- Subject: Re: Authorization in an Installer plugin
- From: Greg Neagle <email@hidden>
- Date: Fri, 4 Sep 2009 10:14:53 -0700
Since postflight/upgrade/install scripts run with privileges (assuming
the package requires RootAuthorization), couldn't you just have your
plugin write the data some place world-writable (like /tmp) and then
have the postflight script read that and write to the system-wide
prefs file?
-Greg
On Sep 4, 2009, at 7:17 AM, Erik Larsson wrote:
Hi,
I'm writing an Installer plugin which needs to perform a privileged
operation (writing to a system-wide preference file), and I'm
wondering
how I can reuse the authorization already made when installing the
files.
I have witnessed many installer plugins that execute after the file
copy
stage that make changes to otherwise protected files without requiring
the user to re-authenticate, but I cannot understand how they do it.
Currently, I create a new Authorization reference and have the user
authenticate, which means the user will have to type its password in a
new authentication dialog, before calling a helper tool with
AuthorizationExecuteWithPrivileges to carry out the actual
operation. I
would really like to avoid having the user type its credentials in two
dialogs in a row (first for copying files, second for writing to the
preference file).
Any hints would be welcome...
Regards,
- Erik
P.S. I sent the previous email from the wrong address. Blame
Thunderbird.
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