Re: Packet len too high during authentication

[Aris Adamantiadis <aris@xxxxxxxxxxxx>]

Hi,

I do not have solaris 11 x86 to test. Could you increase the verbosity
and maybe provide some output from the SSH server ?

If you don't have more information, could you do a tcpdump trace and
post it on http://www.cloudshark.org/ ?

What happens if you change the encryption algorithm to aes128-cbc or
3des-cbc ? I believe some encryption algorithm may be broken on solaris.
Thanks,

Aris

Le 13/11/13 23:14, ZhangAnne a écrit :
> Hi,
> 
> I am using the user authentication code
> from http://api.libssh.org/stable/libssh_tutor_guided_tour.html on
> Solaris 11 x86. And I came across following problem during password
> authentication:
> 
> [2013/11/13 14:35:57.099342, 1] ssh_connect:  libssh 0.6.0 (c) 2003-2010
> Aris Adamantiadis (aris@xxxxxxxxxxxx) Distributed under the LGPL, please
> refer to COPYING file for information about your rights, using threading
> threads_noop
> [2013/11/13 14:35:57.116739, 2] ssh_socket_connect:  Nonblocking
> connection socket: 7
> [2013/11/13 14:35:57.116802, 2] ssh_connect:  Socket connecting, now
> waiting for the callbacks to work
> [2013/11/13 14:35:57.117023, 1] socket_callback_connected:  Socket
> connection callback: 1 (0)
> [2013/11/13 14:35:57.118896, 1] ssh_client_connection_callback:  SSH
> server banner: SSH-2.0-Sun_SSH_1.5
> [2013/11/13 14:35:57.118948, 1] ssh_analyze_banner:  Analyzing banner:
> SSH-2.0-Sun_SSH_1.5
> [2013/11/13 14:35:57.159941, 2] ssh_packet_dh_reply:  Received
> SSH_KEXDH_REPLY
> [2013/11/13 14:35:57.160361, 2] ssh_client_dh_reply:  SSH_MSG_NEWKEYS sent
> [2013/11/13 14:35:57.160392, 2] ssh_packet_newkeys:  Received
> SSH_MSG_NEWKEYS
> [2013/11/13 14:35:57.160785, 2] ssh_packet_newkeys:  Signature verified
> and valid
> unknown server.[2013/11/13 14:35:57.246178, 1]
> ssh_packet_socket_callback:  read_packet(): Packet len too high(62115112
> 3b3cd28)
> [2013/11/13 14:35:57.246233, 1] ssh_userauth_request_service:  Failed to
> request "ssh-userauth" service
> Error authenticating with password: read_packet(): Packet len too
> high(62115112 3b3cd28)
> 
> It's using socket 7, and I tried to use other socket number
> with ssh_options_set(session, SSH_OPTIONS_FD, NULL); but it says
> connection time out.
> 
> Any idea packet length is too high while we are doing authentication?
> 
> I can connect to the ssh server on other machines.
> 
> Thanks very much!