Horton

Re: ssl passphrase callback

Andrew Dunstan <andrew.dunstan@2ndquadrant.com>

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From: Andrew Dunstan <andrew.dunstan@2ndquadrant.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Bruce Momjian <bruce@momjian.us>, Magnus Hagander <magnus@hagander.net>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Simon Riggs <simon@2ndquadrant.com>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-11-15T13:59:45Z
Lists: pgsql-hackers

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  1. Provide a TLS init hook

On 11/14/19 3:21 PM, Alvaro Herrera wrote:
> On 2019-Nov-14, Andrew Dunstan wrote:
>
>> I guess this would work. There would have to be a deal of code to load
>> the library and lookup the symbol. Do we really think it's worth it?
>> Leveraging shared_preload_libraries makes this comparatively simple.
> Using the generic interface has the drawback that the user can make more
> mistakes.  I think that's part of Bruce's issue with it (although I may
> misinterpret.)
>
> I think if you add most of it as a new entry point in dfmgr.c (where you
> can leverage internal_library_load) and returns a function pointer to
> the user specified function, it's all that much additional code.
>
> (I don't think you can use load_external_function as is, because it
> assumes fmgr V1 calling convention, which I'm not sure serves your case.
> But then maybe it does.  And if not, then those 10 lines should be very
> similar to the code you'd need to add.)



In the absence of further comment I will try to code up something along
these lines.


cheers


andrew


-- 
Andrew Dunstan                https://www.2ndQuadrant.com
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