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Re: SSH Tunneling implementation

From: Dave Page <dpage(at)pgadmin(dot)org>
To: Akshay Joshi <akshay(dot)joshi(at)enterprisedb(dot)com>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, pgadmin-hackers <pgadmin-hackers(at)postgresql(dot)org>
Subject: Re: SSH Tunneling implementation
Date: 2012-07-09 13:41:15
Message-ID: CA+OCxox-Jo6U63MgEqFd4Axy=5iRN0D+j_9=WFS_qfrhyC_iKQ@mail.gmail.com (view raw or flat)
Thread:
Lists: pgadmin-hackers
On Mon, Jul 9, 2012 at 2:38 PM, Akshay Joshi
<akshay(dot)joshi(at)enterprisedb(dot)com> wrote:
>
>
> On Mon, Jul 9, 2012 at 3:53 PM, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
>>
>> On Mon, Jul 9, 2012 at 12:15 PM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>> > On Mon, Jul 9, 2012 at 10:51 AM, Magnus Hagander <magnus(at)hagander(dot)net>
>> > wrote:
>> >> On Mon, Jul 9, 2012 at 11:48 AM, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>> >>>
>> >>> We've never supported anything other than OpenSSL.
>> >>
>> >> For the direct linking. But the question here is what *libssh2* is
>> >> built against, not what pgadmin is linked against.
>> >>
>> >> If you require the entire system to be built against openssl, then the
>> >> feature won't work on Debian. Or Ubuntu. Or RedHat. Or Fedora. Or
>> >> SuSE. Or any derived distros. Because they all made the decision to
>> >> move away from openssl for any packages that support other things
>> >> (though annoyingly enough, debian/ubuntu went towards gnutls and the
>> >> redhat style distros went towards libnss - but that's a different
>> >> story).
>> >
>> > Hmm, good point. In that case Akshay will need to figure out how to
>> > deal with this some other way.
>>
>> Or at least verify that it's not just a docu snafu - it might mean
>> "any external SSL library" or something like that.
>
>
>    Unable to find the way to verify it. I haven't found prebuilt libssh2
> library on my CentOS and Ubuntu.

I don't have Ubuntu to hand, but on RHEL 5 I see:

[dpage(at)dominion ~]$ yum search libssh2
Loaded plugins: fastestmirror
base
                          | 1.1 kB     00:00
base
                                       2725/2725
epel
                          | 3.4 kB     00:00
extras
                          | 2.1 kB     00:00
updates
                          | 1.9 kB     00:00
=================================================== Matched: libssh2
===================================================
libssh2.i386 : A library implementing the SSH2 protocol
libssh2-devel.i386 : Development files for libssh2
libssh2-docs.i386 : Documentation for libssh2

And on RHEL 6:

[dpage(at)sturgis ~]$ yum search libssh2
Loaded plugins: fastestmirror, priorities, security
Determining fastest mirrors
epel/metalink
                          |  18 kB     00:00
 * base: centos.mirror.transip.nl
 * epel: nl.mirror.eurid.eu
 * extras: mirrors.coreix.net
 * updates: mirrors.coreix.net
base
                          | 3.7 kB     00:00
epel
                          | 4.0 kB     00:00
epel/primary_db
                          | 4.6 MB     00:17
extras
                          | 3.5 kB     00:00
updates
                          | 3.5 kB     00:00
updates/primary_db
                          | 4.1 MB     00:18
================================================= N/S Matched: libssh2
=================================================
libssh2-devel.i686 : Development files for libssh2
libssh2-devel.x86_64 : Development files for libssh2
libssh2-docs.x86_64 : Documentation for libssh2
libssh2.i686 : A library implementing the SSH2 protocol
libssh2.x86_64 : A library implementing the SSH2 protocol
php-pecl-ssh2.x86_64 : Bindings for the libssh2 library

  Name and summary matches only, use "search all" for everything.


-- 
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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Subject: Re: SSH Tunneling implementation
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