Thanks for your reply.
In my tests,I found a funny thing thing. When I use the example code ssh2_exec to login the remote pix host,the pix's terminal is still exist and I can input other command likes "enable","show version" and so.However,when I use the example code ssh2_exec to login other host(not pix system), the remote host's terminal disappeared.So I think the pix's implemention of ssh2's channel is different from standard ssh2's channel.
At 2011-12-09 21:10:37,"Daniel Stenberg" <daniel_at_haxx.se> wrote:
>On Thu, 8 Dec 2011, shengqi158 wrote:
>
>> hello folks,
>> OS: ubuntu 10.10
>> libssh2 version :1.3.0
>> remote host'os : cisco pix
>
>> libssh2_channel_read returned -37
>
>That's just EAGAIN and not interesting.
>
>> libssh2_channel_read returned -43
>
>This is LIBSSH2_ERROR_SOCKET_RECV but doesn't say a lot on its own. Can you
>enable debug/trace and see if all the extra info reveals something?
>
>> by the way, I can use the example code ssh2 to login the remote host.
>
>Yes, that example logs in and runs a command on a host.
>
>--
>
> / daniel.haxx.se
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Received on 2011-12-10