Hello,
I am trying to do an SFTP GET under Windows using curl and libssh2. The
command fails with:
SSH public key authentication failed: Callback returned error
I would be grateful for any assistance in fixing the problem.
I have myself compiled from source the packages openssl-1.0.1e, libssh2-1.4.3,
and curl-7.30.0. The curl binary works for other operations, e.g. HTTP GET,
just not for SFTP.
I am able to execute the SFTP GET successfully using other tools. So I know
that my local private keyfile is good, and that the public keyfile is set up
correctly on the remote server.
In order to generate the public keyfile that ssh2 requires locally, I copied
the private keyfile to linux, and ran the following command:
ssh-keygen -y -f id_rsa > id_rsa.pub
Then I copied the public keyfile back to the Windows machine.
Below are the commands that I used to attempt the SFTP, and the output. Thanks
in advance for any help you can provide.
Kind Regards,
Eric
curl.exe -version
curl 7.30.0 (i386-pc-win32) libcurl/7.30.0 OpenSSL/1.0.1e libssh2/1.4.3
Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp scp s
ftp smtp smtps telnet tftp
Features: AsynchDNS Largefile NTLM SSL
curl.exe -vv --insecure --proxy xxxxx.com:8080
--proxy-user xxxxx\xxxxxxx:xxxxxxxx --proxy-ntlm --proxytunnel --user xxxxxxx:
--key id_rsa --pubkey id_rsa.pub --pass xxxxxxxx sftp://999.999.999.9:9999/path/to/file
* Adding handle: conn: 0xa63850
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0xa63850) send_pipe: 1, recv_pipe: 0
* About to connect() to proxy xxxxx.com port 8080 (#0)
* Trying 99.999.999.99...
* Connected to xxxxx.com (99.999.999.99) port 8080 (#0)
* Establish HTTP proxy tunnel to 999.999.999.9:9999
* Proxy auth using NTLM with user 'xxxxx\xxxxxxx'
* Server auth using Basic with user 'xxxxxxx'
> CONNECT 999.999.999.9:9999 HTTP/1.1
> Host: 999.999.999.9:9999
> Proxy-Authorization: NTLM xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=
> User-Agent: curl/7.30.0
> Proxy-Connection: Keep-Alive
>
< HTTP/1.1 407 authenticationrequired
< Content-Type: text/html
< Cache-Control: no-cache
< Content-Length: 1086
< Proxy-Connection: Keep-Alive
< Proxy-Authenticate: NTLM xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxx
<
* Ignore 1086 bytes of response-body
* TUNNEL_STATE switched to: 0
* Establish HTTP proxy tunnel to 999.999.999.9:9999
* Proxy auth using NTLM with user 'xxxxx\xxxxxxx'
* Server auth using Basic with user 'xxxxxxx'
> CONNECT 999.999.999.9:9999 HTTP/1.1
> Host: 999.999.999.9:9999
> Proxy-Authorization: NTLM xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx=
> User-Agent: curl/7.30.0
> Proxy-Connection: Keep-Alive
>
< HTTP/1.0 200 Connection established
<
* Proxy replied OK to CONNECT request
* SSH MD5 fingerprint: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
* SSH authentication methods available: publickey
* Using ssh public key file id_rsa.pub
* Using ssh private key file id_rsa
* SSH public key authentication failed: Callback returned error
* Failure connecting to agent
* Authentication failure
* Closing connection 0
curl: (67) Authentication failure
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Received on 2013-06-21