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Re: Newbie confused about pg_hba/md5 and password field

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Scott Dunbar <scott(at)xigole(dot)com>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: Re: Newbie confused about pg_hba/md5 and password field
Date: 2002-08-21 17:03:05
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-interfaces
Sorry, this seems impossible: libpq's PQsetdbLogin() doesn't allow MD5
passwords?  You shouldn't have to do anything special;  it should just
accept the password.PQconnectdb() has the same handling as

Is it possible your libpq version is older than 7.2.1?


Scott Dunbar wrote:
> Hello,
> I'm pretty new to PostgreSQL in general and even newer to libpq.  I am 
> trying to get a C program working (the authpgsql module in courier-imap) 
> that uses PQsetdbLogin().  I've got 7.2.1 installed and running and have 
> had no problem accessing it via JDBC.  I have encrypted passwords in 
> pg_shadow and have "md5" set for the AUTH_TYPE in pg_hba.conf.  However, 
> when using PQsetdbLogin the only way I could get a login to work was to 
> use unencrypted passwords in pg_shadow and change pg_hba.conf to use 
> "password" instead of "md5" for the database I want access to through 
> authpgsql.
> Why is this?  Do I somehow have to md5 the clear text password before 
> calling PQsetdbLogin()?  Does PQconnectdb() handle this and I should 
> update the code?  I feel that the client code should be unaware of the 
> over the wire encryption method used and the encryption method of the 
> password in pg_shadow but I may be way off base on the underlying issue.
> Thanks in advance for any information.
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  Bruce Momjian                        |
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Subject: Re: Newbie confused about pg_hba/md5 and password field
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Subject: Newbie confused about pg_hba/md5 and password field in PQsetdbLogin

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