Re: Access based on client cert attributes?

2010-03-26 Thread Dick Visser
On 23/03/2010 16:41, Victor Duchovni wrote: Having noticed the many pitfalls of parsing X.509 certs, and written careful code to parse them (and avoided Postfix being linked to vulnerabilities later found in most certificate parsers), I am reluctant to ask Postfix users to write robust X.509

Re: Access based on client cert attributes?

2010-03-26 Thread Victor Duchovni
On Fri, Mar 26, 2010 at 12:52:55PM +0100, Dick Visser wrote: Having noticed the many pitfalls of parsing X.509 certs, and written careful code to parse them (and avoided Postfix being linked to vulnerabilities later found in most certificate parsers), I am reluctant to ask Postfix users

Access based on client cert attributes?

2010-03-23 Thread Dick Visser
Hi guys At the moment we use SASL authentication to allow our users to send mail through our mailer (Postfix 2.5). I would like to extend this to using client certificates for authentication as well. Our users have personal certificates that are signed by a the TERENA Personal CA. Due to the

Re: Access based on client cert attributes?

2010-03-23 Thread Wietse Venema
Dick Visser: Hi guys At the moment we use SASL authentication to allow our users to send mail through our mailer (Postfix 2.5). I would like to extend this to using client certificates for authentication as well. Our users have personal certificates that are signed by a the TERENA

Re: Access based on client cert attributes?

2010-03-23 Thread Victor Duchovni
On Tue, Mar 23, 2010 at 10:10:44AM -0400, Wietse Venema wrote: * issuer TERENA Personal CA * O=TERENA * C=NL I guess what I am looking for is a new restriction called something like check_ccert_attr, that would use user defined attributes to take decisions. That would be really