2015-11-25 8:05 GMT+01:00 Haribabu Kommi <kommi.harib...@gmail.com>: > On Tue, Nov 17, 2015 at 9:37 AM, Peter Eisentraut <pete...@gmx.net> wrote: > > On 11/16/15 2:37 AM, Haribabu Kommi wrote: > >> On Mon, Nov 16, 2015 at 2:30 PM, Peter Eisentraut <pete...@gmx.net> > wrote: > >>> On 7/21/15 5:15 AM, Haribabu Kommi wrote: > >>>> With the output of this view, administrator can identify the lines > >>>> that are matching for the given > >>>> criteria easily without going through the file. > >>> > >>> How is this useful? I could see the use if you want to debug cases of > >>> user foo on host bar says they can't connect, but you can't impersonate > >>> them to verify it. But then all you need is a function with a scalar > >>> result, not a result set. > >> > >> Do you mean the function should return true or false based on the > connection > >> status with the provided arguments? > >> > >> I also feel difficult to understand the function result as compared to > a view. > > > > An hba lookup is essentially a lookup by user name, database name, > > client address, yielding an authentication method (possibly with > > parameters). So I think this function should work that way as well: > > arguments are user name, database name, and so on, and the return value > > is an authentication method. Maybe it would be some kind of record, > > with line number and some parameters. > > > > That would address the use case I put forth above. I don't know whether > > that's what you were going for. > > Thanks. Here I attached the poc patch that returns authentication method > of the > first matched hba entry in pg_hba.conf with the given input values. > Currently these > functions returns text type. Based on the details required to be > printed, it can > be changed. > > postgres=# select pg_hba_lookup('all', 'all'); > pg_hba_lookup > --------------- > trust > (1 row) > > comments for the approach? >
>From my perspective, it shows too less informations. What I am expecting: 1. line num of choosed rule 2. some tracing - via NOTICE, what and why some rules was skipped. Regards Pavel > > Regards, > Hari Babu > Fujitsu Australia > > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers > >