On Mon, 2011-01-17 at 21:28 -0500, Adam Tauno Williams wrote:
> On Mon, 2011-01-17 at 14:08 -0600, Albert Wagner wrote: 
> > On 01/17/2011 11:32 AM, Adam Tauno Williams wrote:
> > > On Mon, 2011-01-17 at 11:01 -0600, Albert Wagner wrote:
> > >>> And I don't think you need to be particularly "experienced" with them to
> > >>> let a program use keyrings - it's just an encrypted store of passwords.
> > >> My login password allows anyone with access to it, including evolution
> > >> developers, to perform actions requiring root permissions.
> > > Er, what?? How do evolution developers have access to your password via
> > > use of the keyring?  They don't, can't, and I suspect you don't
> > > understand are keyrings work.
> > Absolutely right.  But I understand popups.
> > A popup message claims that evolution cannot access the keyring without 
> > the password used for logging in.  I automatically log in without 
> > entering my password.
> 
> By default it creates a keyring using your login password [via
> integration with GDM?  I don't remember].

Sort of.  It does it via PAM - i.e. when you login GDM authenticates
through PAM, that process also authenticates gnome-keyring and so
unlocks your passwords & keys.  It is neither required nor a default
action to do this: when gnome-keyring is setup it asks you what password
you want to use and whether you want to automatically unlock the keyring
when you login.


> 
> > > Even if they did have your username and password, which they don't, how
> > > would that allow "root" permissions?  Unless you are logging in as root,
> > > which you shouldn't.
> > Not logged in as root.  But occasionally I use su and sudo.  Are those 
> > not available on your distribution?

/bin/su always asks for the root password - sudo was only supposed to be
used to give users access to a specific small subset of commands they
may need to run as root - not be used to give passwordless root access
like in Ubuntu


> 
> Anyway, on a Kerberos-enabled network [which I am], su/sudo are password
> free - I don't get prompted for a password [one either has the privilege
> to perform an operation or you don't].

kerberised systems are very different ...

P.

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