Re: [Ssh-sftp-perl-users] Net::SFTP and publickey

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From: "Jim Matthews" <jim...@no...>
>> Can't use string ("/export/home/jimmatt/.ssh/id_rsa") as an ARRAY ref
> while "strict refs" in use at
> /usr/local/lib/perl5/site_perl/5.8.5/Net/SSH/Perl/Auth/PublicKey.pm line
> 51.

You are trying to use what the Net::SFTP POD calls "ssh_args". (You're
trying to pass args to SSH. Your example shows the port argument. I don't
see where you pass "identity_files" argument, but that's what it's
complaining about).

The way to use "%args" is clear as *mud* and not in the SFTP documentation.
This was discussed last April in archive article:
http://sourceforge.net/mailarchive/message.php?msg_id=7695250
And prior to that in
http://sourceforge.net/mailarchive/message.php?msg_id=7114677

To make it easier, I'll recreate it here.

my $sftp = Net::SFTP->new("somehost.domain.domain", ( user => "someuser",
  ssh_args => (  (  [ port => (["1234"]),  identity_files => ([
"/home/user/.ssh/ident_file" ]) ]  )  )
) );

Dave, here comes the rant which you should be expecting. You recall I
discussed this with you almost a year ago. It took me 2 days of trial and
error to unravel the undocumented syntax. I mentioned it again in January
after you created the mailing list and asked everyone to re-input their
requests and observations. Three months later (in April) another user
tripped over this.

Here we are again....

It would be so *easy* just to add an example near "ssh_args" in the POD.
Nothing needs to be "fixed." Just the courtesy of saving people from a
syntax they would never figure out. What's so hard about that? It's been
requested three times over almost a year period. The last time I requested
it, you complained that I hadn't opened a "RT" ticket (which you didn't
mention the two previous times I requested it). I opened the RT
(http://sourceforge.net/mailarchive/forum.php?thread_id=4169065&forum_id=365
14) and still no update of the POD.

You've asked for contribututions back to the project. I've tried. Given the
incomprehendability of "ssh_args" this should have been a welcome solution.
A mere documentation update. Instead it's gone nowhere for almost 12 months
despite 3 requests.

I'm sorry complaining. But, I'm still frustrated over those two days I spent
last year figuring out that notation. The example I provided could save
someone else the same frustration. For the fourth time: Is there any
possibility this example can be placed in the documentation?

Thank you,
Mark

----- Original Message ----- 
From: "Jim Matthews" <jim...@no...>
To: <ssh...@li...>
Sent: Friday, August 13, 2004 10:59 AM
Subject: [Ssh-sftp-perl-users] Net::SFTP and publickey

> Hi
>
> I'm trying to setup a connection using publickeys, but I'm getting
> nowhere.  I have a publickey in /export/home/jimmatt/.ssh/id_rsa.  Here's
> the code:
>
> $sftp = Net::SFTP->new($server, ssh_args=>[port => "22"]);
> $sftp->get($remote_file, $localfile);
>
> Nothing fancy.  Here's the output I get:
>
> morpheus: Reading configuration data /export/home/jimmatt/.ssh/config
> morpheus: Reading configuration data /etc/ssh_config
> morpheus: Connecting to test.duke.edu, port 22.
> morpheus: Remote protocol version 2.0, remote software version
> OpenSSH_3.8p1
> morpheus: Net::SSH::Perl Version 1.25, protocol version 2.0.
> morpheus: No compat match: OpenSSH_3.8p1.
> morpheus: Connection established.
> morpheus: Sent key-exchange init (KEXINIT), wait response.
> morpheus: Algorithms, c->s: 3des-cbc hmac-sha1 none
> morpheus: Algorithms, s->c: 3des-cbc hmac-sha1 none
> morpheus: Entering Diffie-Hellman Group 1 key exchange.
> morpheus: Sent DH public key, waiting for reply.
> morpheus: Received host key, type 'ssh-dss'.
> morpheus: Host 'test.duke.edu' is known and matches the host key.
> morpheus: Computing shared secret key.
> morpheus: Verifying server signature.
> morpheus: Waiting for NEWKEYS message.
> morpheus: Enabling incoming encryption/MAC/compression.
> morpheus: Send NEWKEYS, enable outgoing encryption/MAC/compression.
> morpheus: Sending request for user-authentication service.
> morpheus: Service accepted: ssh-userauth.
> morpheus: Trying empty user-authentication request.
> morpheus: Authentication methods that can continue:
> publickey,password,keyboard-interactive.
> morpheus: Next method to try is publickey.
> morpheus: Next method to try is password.
> morpheus: Trying password authentication.
> morpheus: Will not query passphrase in batch mode.
> morpheus: Authentication methods that can continue:
> publickey,password,keyboard-interactive.
> morpheus: Next method to try is publickey.
> morpheus: Next method to try is password.
> morpheus: Trying password authentication.
> morpheus: Will not query passphrase in batch mode.
> morpheus: Authentication methods that can continue:
> publickey,password,keyboard-interactive.
> morpheus: Next method to try is publickey.
> morpheus: Next method to try is password.
> morpheus: Trying password authentication.
> morpheus: Will not query passphrase in batch mode.
> morpheus: Authentication methods that can continue:
> publickey,password,keyboard-interactive.
> morpheus: Next method to try is publickey.
> morpheus: Next method to try is password.
> Permission denied at /usr/local/lib/perl5/site_perl/5.8.5/Net/SFTP.pm line
> 37
>
> I tried to specify the the identity file by using:
>
> $sftp = Net::SFTP->new($server, debug=>true, ssh_args=>[identity_files =>
> "/export/home/jimmatt/.ssh/id_rsa", port => "22"]);
>
> but it didn't like that:
>
> morpheus: Service accepted: ssh-userauth.
> morpheus: Trying empty user-authentication request.
> morpheus: Authentication methods that can continue:
> publickey,password,keyboard-interactive.
> morpheus: Next method to try is publickey.
> Can't use string ("/export/home/jimmatt/.ssh/id_rsa") as an ARRAY ref
> while "strict refs" in use at
> /usr/local/lib/perl5/site_perl/5.8.5/Net/SSH/Perl/Auth/PublicKey.pm line
> 51.
>
> Any other way to try and specify this?
>
> Thanks.
> ---------------------
> Jim Matthews
> ISS Systems Administrator
> Duke University - Perkins Library
> Box 90196
> Durham, NC 27708
> Email: jim...@du...
> Voice: 919-660-5963
> Fax: 919-684-6990
>
>
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