On Tue, Oct 28, 2008 at 08:59:53PM +0100, Magnus Hagander wrote:
> The attached patch tries to implement regexp support in the usermaps
> (pg_ident.conf).
Hi Magnus,
I am currently reviewing your patch.
I found out that the execution of
pfree(regexp_pgrole);
(there's only one such line in your patch) might raise on the current
HEAD the following message
WARNING: detected write past chunk end in Postmaster 0x9b13650
in the case of a regexp expansion.
Let me describe the conditions under which I obtain that warning.
To test it without having to create a new user I used the "identical"
substitution
review /(.*)nni \1nni
in my pg_ident.conf so that I can trigger regexps while connecting as
"gianni".
To avoid removing all the "standard" lines from pg_hba.conf, I edited
postgresql.conf in order to make it listen from a different IP address
(actually the other IP address of my machine 192.168...). Then I added
to pg_hba.conf one line enabling ident connections with map=review
from that IP address.
Finally I started the server, and as I connected with psql -h
192.168... the above warning showed.
Best regards,
Dr. Gianni Ciolli - 2ndQuadrant Italia
PostgreSQL Training, Services and Support
[EMAIL PROTECTED] | www.2ndquadrant.it
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