Re: ssl passphrase callback - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: ssl passphrase callback
Date
Msg-id 20191113130823.GA2822@momjian.us
Whole thread Raw
In response to Re: ssl passphrase callback  (Bruce Momjian <bruce@momjian.us>)
Responses Re: ssl passphrase callback  (Simon Riggs <simon@2ndquadrant.com>)
Re: ssl passphrase callback  (Andrew Dunstan <andrew.dunstan@2ndquadrant.com>)
List pgsql-hackers
On Tue, Nov 12, 2019 at 09:51:33PM -0500, Bruce Momjian wrote:
> On Sun, Nov 10, 2019 at 01:01:17PM -0600, Magnus Hagander wrote:
> > On Wed, Nov 6, 2019 at 7:24 PM Bruce Momjian <bruce@momjian.us> wrote:
> >       We had this
> >     discussion in relation to archive_command years ago, and decided on a
> >     shell command as the best API.
> >
> > I don't recall that from back then, but that was a long time ago.
> > 
> > But it's interesting that you mention it, given the number of people I have
> > been discussing that with recently, under the topic of changing it from a shell
> > command into a shared library API (with there being a shell command as one
> > possible implementation of course). 
> > 
> > One of the main reasons there being to be easily able to transfer more state
> > and give results other than just an exit code, no need to deal with parameter
> > escaping etc. Which probably wouldn't matter as much to an SSL passphrase
> > command, but still.
> 
> I get the callback-is-easier issue with shared objects, but are we
> expecting to pass in more information here than we do for
> archive_command?  I would think not.  What I am saying is that if we
> don't think passing things in works, we should fix all these external
> commands, or something.   I don't see why ssl_passphrase_command is
> different, except that it is new.  Or is it related to _securely_
> passing something?
> 
> Also, why was this patch posted without any discussion of these issues?
> Shouldn't we ideally discuss the API first?

I wonder if every GUC that takes an OS command should allow a shared
object to be specified --- maybe control that if the command string
starts with a # or something.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +



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