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Subject: Re: Authentication issue

Re: Authentication issue

From: Kishore Av <scorpionkish_at_gmail.com>
Date: Tue, 21 Jul 2015 14:14:59 +0530

Hi,

Currently I'm using libssh2-devel-1.4.3-6.0.cf.rhel6.x86_64.

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

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
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>>
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>

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Received on 2015-07-21

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