Re: Connnection to SSL enabled server - Mailing list pgadmin-support

From Andreas Pflug
Subject Re: Connnection to SSL enabled server
Date
Msg-id 3F9FF03C.1070202@pse-consulting.de
Whole thread Raw
In response to Connnection to SSL enabled server  (timothy.r.morley@kc.frb.org)
List pgadmin-support
timothy.r.morley@kc.frb.org wrote:

>
> I am running PostgreSQL 7.3.4 server with SSL enabled.  I have the 
> server configured to only accept SSL connections from various hosts. 
>  I am using pgadmin3-1.1 on RedHat 9 and I can connect to my SSL 
> enabled Pg server just fine.  The information pane in pgadmin3 tells 
> me I have an SSL connection to the server.  I can open up the graphic 
> query tool and type in my query.  As soon as I click the 'Execute 
> query' button pgadmin3 crashes.  When I run pgadmin3 using gdb I get 
> the following output from gdb after I click the 'Execute query' button:
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1094126896 (LWP 4597)]
> 0x400b603f in CRYPTO_lock () from /lib/libcrypto.so.4
>
> I'm using the RedHat 9 rpm from the pgadmin site and have even tried 
> using the nightly build from October 29, 2003 with the same result.  I 
> have another PostgreSQL 7.3.4 server that is not SSL enabled and I can 
> use pgadmin3 just fine with that configuration.
>
> I built the SSL enabled server from source using openssl-0.9.7c 
> source.  I can connect(I do get an SSL connection) and work from my 
> client machine using pgsql.
>
> Is there an issue with how I built the server or with openssl on 
> RedHat 9 machines or the combination of SSL on the server and client I 
> used?
>

Can you confirm that this crash happens only with ssl?
There might be a multithreading problem. While the pgAdmin3 main window 
uses the main thread, the query tool uses a dedicated  thread for query 
execution.
I'm using open-ssl 0.9.7b (SuSE 8.1), no problem with a "requires SSL" 
connection, I doubt it's a version problem. It might be necessary to 
play a little with libraries to get it multithread proof.

Regards,
Andreas




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