Anyone making those kind of decisions probably wants a generic "connection is encrypted" flag. It could be true if a GSSAPI connection has negotiated use of a security layer.

Of course I don't have my GSSAPI patches working as well as the SASL ones were yet, and I haven't started on adding security layers yet either.

On Jan 30, 2007, at 12:56 PM, Magnus Hagander wrote:

On Tue, Jan 30, 2007 at 12:35:01PM -0500, Kris Jurka wrote:

On Tue, 30 Jan 2007, Andrew Dunstan wrote:

If I am allowing both SSL and non-SSL I might like to know which is used
by a particular connection.

Other places I've heard people ask for this info:

1) pg_stat_activity to see who's currently connected and how.

2) Via a function (boolean am_i_using_ssl()) so they can make security
decisions in views or procedural code.

That information is available to the client in the form of the API call PQgetssl(). It will return NULL if no SSL is in use, or something other than NULL if it is (a SSL * pointer, but you don't need to know that if
you just want to know if you're on SSL or not).
IIRC it was originally disucssed to put it as a function callable, but
it was decided that it makes a lot more sense to provide it in the
client library. I don't know how many other client libraries provide the
SSL information stuff.

The opinions expressed in this message are mine,
not those of Caltech, JPL, NASA, or the US Government.

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