Re: Error on running Erlang SSH server

Hi Mike,
the problem was really that!
From 'puttygen' I just did 'save private key' as "C:/Utility/Putty/ssh_daemon/ssh_host_rsa_key" , which was not the openssh file key format.
Selecting "Conversion" for the private key the problem is over .
Thanks a lot for your help!!!

Cheers,
/Mario

-----Original Message-----
From: [email protected] [mailto:[email protected]] 
Sent: mercoledì 18 giugno 2014 17:56
To: Mario Santoro
Cc: [email protected]; [email protected]; [email protected]; Tony Rogvall
Subject: Re: [erlang-bugs] Error on running Erlang SSH server

Hi Mario,

I noticed that you had "Putty" in your dir path ("C:/Utility/Putty/ssh_daemon"). Is your private key a .ppk file? Putty on Windows uses a different file format for its keys than what the Erlang ssh library is expecting.  From  "PuTTY Key Generator", select "Conversions" -> "Export OpenSSH key" and save it as "C:/Utility/Putty/ssh_daemon/ssh_host_rsa_key".

Hope that helps,
Mike
_____________________________________________________________________________________


Michael Schmidt  |   APC by Schneider Electric   |  End User Business Group
- IT Business  |   United States  |   Firmware Engineer
Phone: +636-300-2300 ext. 11480  |   Fax: +636-300-2333  |   Mobile:
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             Mario Santoro                                                 
             <mario.santoro@er                                             
             icsson.com>                                                To 
             Sent by:                  Tony Rogvall <[email protected]>,     
             erlang-bugs-bounc         "[email protected]"                   
             [email protected]             <[email protected]>,                  
                                                                        cc 
                                       "[email protected]"            
             06/16/2014 11:22          <[email protected]>            
             AM                                                    Subject 
                                       Re: [erlang-bugs] Error on running  
                                       Erlang SSH server                   
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           




Hi Tony,
you were right about the wrong tuple where I specified the system_dir.

Tried with the following:

>{ok, Sshd} = ssh:daemon(8988, [{auth_methods, "password"},
{user_passwords, [{"mario", "mariopasswd"}]}, {system_dir, "C:/Utility/Putty/ssh_daemon"} ]).
鈀{ok,<0.644.0>}

but at client connection:
>{ok, ConnectionRef} = ssh:connect("E7E4115BF83167", 8988, [{user,
"mario"}, {password, "mariopasswd"}, {user_dir, "C:/Utility/Putty/public_key"}, {silently_accept_hosts, true}, {user_interaction, false} ], 5000).
** exception error: no match of right hand side value {error,"Internal error"}

I got the same error.

The host keys are installed in the specified paths.

Hi,
which ssh version are you running?

Hi Hans,
from the output of ssh:module_info()., I get:
…
{version,"4.9"},
{time,{2013,2,25,19,38,30}}
…


Thanks all so far for your help.

/Mario


From: Tony Rogvall [mailto:[email protected]]
Sent: venerdì 13 giugno 2014 15:14
To: [email protected]
Cc: Mario Santoro; [email protected]
Subject: Re: [erlang-bugs] Error on running Erlang SSH server


On 13 jun 2014, at 14:46, Hans Nilsson <[email protected]> wrote:


Hi,
which ssh version are you running?
/Hans
On 2014-06-12 17:03, Mario Santoro wrote:
      Hi,
      I’m trying to run an SSH server in Erlang and test a <user/password>
      connection over SSH.
      I’ve generated an RSA keys pair (with NO passphrase) for the SSH
      system and put the private key into “C:/Utility/Putty/ssh_daemon”
      directory,
      while the user public_key is into “C:/Utility/Putty/public_key”
      directory.
      I’m running both the server and the client on the same PC, into two
      different Erlang nodes.

      The SSH server starts fine:
      (node1@E7E4115BF83167)1> ssh:start().
      ok
      (node1@E7E4115BF83167)2> {ok, Sshd} = ssh:daemon(8988,
      [{auth_methods, "password"}, {user_passwords, [{"mario",
      "mariopasswd"},{system_dir, "C:/Utility/Putty/ssh_daemon"}]} ]).
            {ok,<0.54.0>}

Could the problem be that {system_dir, "C:/Utility/Putty/ssh_daemon"} is specified in the {user_passwords,..} list and not as a separate option. ?


/Tony


            but on receiving a connection from the client:
            (node2@E7E4115BF83167)1> ssh:start().
            ok
            (node2@E7E4115BF83167)2> {ok, ConnectionRef} = ssh:connect
            ("E7E4115BF83167", 8988, [{user, "mario"}, {password,
            "mariopasswd"}, {user_dir, "C:/Utility/Putty/public_key"},
            {silently_accept_hosts, true}, {user_interaction, false} ],
            5000).
            ** exception error: no match of right hand side value
            {error,"Internal error"}


            the SSH server application is crashing with the following
            error:
            (node1@E7E4115BF83167)3>
            =ERROR REPORT==== 29-May-2014::17:44:58 ===
            Erlang ssh connection handler failed with reason:
            function_clause
            , Stacktace: [{ssh_file,identity_pass_phrase,
                                    [undefined],
                                    [{file,"ssh_file.erl"},{line,222}]},

            {ssh_file,host_key,2,[{file,"ssh_file.erl"},{line,53}]},
                          {ssh_transport,get_host_key,1,

            [{file,"ssh_transport.erl"},{line,412}]},
                          {ssh_transport,handle_kexdh_init,2,

            [{file,"ssh_transport.erl"},{line,314}]},
                          {ssh_connection_handler,key_exchange,2,

            [{file,"ssh_connection_handler.erl"},
                                                   {line,201}]},

            {gen_fsm,handle_msg,7,[{file,"gen_fsm.erl"},{line,494}]},

            {proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,239}]}]
            please report this to [email protected]


            This happens at each client connection attempt.
            Could you please help me on this issue?

            Thank you in advance for your help.

            Regards,
            /Mario

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            MARIO SANTORO
            CD Media & Application

            Ericsson Telecomunicazioni SpA
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            00118, Rome, ITALY
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            Fax +39 06 7258 4289
            Mobile +39 335 699 5215
            [email protected]
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