About 6 months ago I asked a question to the group about SFTP and expect and
really got a lot of helpful information and was able to solve my problem. I
now find I need help again and I am not sure why. My expect script with the
embedded sftp was working fine until today. I have determined the problem
does not lie with the expect portion but with the sftp connection itself. I
tried to manually connect to the remote sftp server and here is the
transcript with anonmyzed hosts and usernames. The basic problem is that
after I authenticate, I do not get an sftp prompt to allow any interactive
commands. Any help would be greatly appreciated. Oh yeah, this is a fairly
generic mandrake 10.1 system.
[root@LNXPROCSVR radreports]# sftp -v sftpuser@10.10.10.10
Connecting to 10.10.10.10...
OpenSSH_4.3p1, OpenSSL 0.9.7e 25 Oct 2004
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug1: Connecting to 10.10.10.10 [10.10.10.10] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_dsa type 2
debug1: Remote protocol version 2.0, remote software version 0
debug1: no match: 0
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_4.3
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host '10.10.10.10' is known and matches the DSA host key.
debug1: Found key in /root/.ssh/known_hosts:1
debug1: ssh_dss_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Trying private key: /root/.ssh/id_rsa
debug1: Offering public key: /root/.ssh/id_dsa
debug1: Server accepts key: pkalg ssh-dss blen 435
debug1: PEM_read_PrivateKey failed
debug1: read PEM private key done: type <unknown>
Enter passphrase for key '/root/.ssh/id_dsa':
debug1: read PEM private key done: type DSA
Authenticated with partial success.
debug1: Authentications that can continue: password
debug1: Next authentication method: password
sftpuser@10.10.10.10's password:
debug1: Authentication succeeded (password).
debug1: channel 0: new [client-session]
debug1: Entering interactive session.
debug1: Sending subsystem: sftp
"The system stops doing anything and I have to press CRTL-C at this point."
debug1: channel 0: free: client-session, nchannels 1
debug1: fd 0 clearing O_NONBLOCK
Killed by signal 15.
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