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Subject: Re: Authentication issue

Re: Authentication issue

From: Kamil Dudka <kdudka_at_redhat.com>
Date: Tue, 21 Jul 2015 12:03:52 +0200

On Tuesday 21 July 2015 14:14:59 Kishore Av wrote:
> Hi,
>
> Currently I'm using libssh2-devel-1.4.3-6.0.cf.rhel6.x86_64.

Where did you get it from?

> Could anyone send me the link to download latest rpm ???

I guess you are looking for this repository?

http://mirror.city-fan.org/ftp/contrib/libraries/

Kamil

> Thanks
> Kishore
>
> On 21-Jul-2015 12:21 pm, "Kishore Av" <scorpionkish_at_gmail.com> wrote:
> > Thanks Dan, -v options really helps me to check debug.
> >
> > Authentication success, got confirmed by libssh2_userauth_authenticated.
> > Channel created success.
> >
> > Now there is another issue,
> > while executing command It's returning error string "Failed waiting for
> > channel success".
> >
> > May I know what problem it is???
> >
> > Thanks
> > Kishore
> >
> > On 21-Jul-2015 3:08 am, "Dan Fandrich" <dan_at_coneharvesters.com> wrote:
> >> On Fri, Jul 17, 2015 at 04:18:06PM +0530, Kishore Av wrote:
> >> > Thanks for response,
> >> > I already tried userauth_list and it returns NULL.
> >> > Based on your explanation i comes to know that, ssh server should be
> >>
> >> configured
> >>
> >> > as none. It seems server issue.
> >>
> >> While it may appear that 'ssh <IP address>' is connecting without
> >> authentication, there are several ways that ssh could be silently
> >> authenticating without requiring a password and without you realizing it
> >> (e.g.
> >> Kerberos, private key, ssh-agent). If you give the -v option on the
> >> OpenSSH
> >> client command-line, it will show you the steps it is going to
> >> authenticate the
> >> connection. There's a good chance that it's not actually
> >> unauthenticated. In
> >> today's world, there are few instances where that's a good idea.
> >>
> >> > Thanks
> >> > Kishore
> >> >
> >> > On 17-Jul-2015 2:47 pm, "Peter Stuge" <peter_at_stuge.se> wrote:
> >> > Kishore Av wrote:
> >> > > I could able to connect ssh server only with username and without
> >> > > providing the password manually.
> >> >
> >> > Did you study the protocol specification?
> >> >
> >> > RFC 4252 5.2. The "none" Authentication Request
> >> >
> >> > A client may request a list of authentication 'method name'
> >>
> >> values
> >>
> >> > that may continue by using the "none" authentication 'method
> >>
> >> name'.
> >>
> >> > > Is there a way to connect that server through libssh2 ?
> >> >
> >> > As I wrote, the libssh2 API matches the protocol API closely.
> >> >
> >> > > If so, which API can be used to connect?
> >> >
> >> > Did you study the library API documentation?
> >> >
> >> > /* libssh2_userauth_list
> >> >
> >> > *
> >> > * List authentication methods
> >> > * Will yield successful login if "none" happens to be allowable
> >>
> >> for this
> >>
> >> > user
> >> >
> >> >
> >> >
> >> > //Peter
> >> > _______________________________________________
> >> > libssh2-devel
> >>
> >> http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
> >>
> >> > _______________________________________________
> >> > libssh2-devel
> >>
> >> http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel
> >>
> >> _______________________________________________
> >> libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel

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Received on 2015-07-21

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