Re^5: Help Required - Problem Automating SFTP

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Re^6: Help Required - Problem Automating SFTP by salva (Canon) on Jan 30, 2009 at 11:52 UTC
I see, probably what is happening is that they are expecting you to use the old SSH version 1 approach for launching the SFTP server on the remote side. Just to test that this is the case, what happens if you run these commands...? `plink remoteHost -p remotePort -v sftp-server plink remoteHost -p remotePort -v /usr/lib/sftp-server` [download] Does anyone of them hangs (that means that the sftp-server is listening) instead of exiting with an error? Once you find how to launch the remote sftp-server, tell Net::SFTP::Foreign to use the same command with the open2_cmd constructor option. For instance: `my $sftp = Net::SFTP::Foreign->new(open2_cmd => "plink $host -p $port +/usr/lib/sftp-server"); $sftp->error and die "SFTP connection failed: " . $sftp->error;` [download] update: and BTW, I think the root of the problem is an incomplete chroot'ed configuration for sshd in the remote side. Probably, they have not configured sshd to use internal-sftp server for the SFTP subsystem. Ask them to check that the sshd_config file contains the following line: `Subsystem sftp internal-sftp` [download] (a how-to: http://www.debian-administration.org/articles/590)	[reply] [d/l] [select]
Re^6: Help Required - Problem Automating SFTP by Kraythorne (Sexton) on Jan 30, 2009 at 12:30 UTC
I can get 'plink' to connect and hang up to this point: Offered public key Offer of public key accepted Authenticating with public key "rsa-key-20081029" Access granted Opened channel for session Allocated pty (ospeed 38400bps, ispeed 38400bps Started a shell/command ..and when I break out of it I get: Sent EOF message ^C So it looks like that works However, when I put the same syntax into Net::SFTP::Foreign, after the shell starts, I get: Server exited on signal "INT" Disconnected: All channels closed Are we getting closer?	[reply]
Re^7: Help Required - Problem Automating SFTP by salva (Canon) on Jan 30, 2009 at 12:36 UTC
Post here the full plink command you are using. Also, set... `$Net::SFTP::Foreign::debug = -1;` [download] in your script, before the constructor call, and post here the output you get.	[reply] [d/l]
Re^6: Help Required - Problem Automating SFTP by Kraythorne (Sexton) on Jan 30, 2009 at 13:17 UTC
Command Line 'Plink': C:\Program Files\PuTTY>plink mycompany@host -P port -v -i c:/id_cmf_mediatech.ppk sftp-server Looking up host "host_IP" Connecting to host_IP port port Server version: SSH-2.0-OpenSSH_5.1 We claim version: SSH-2.0-PuTTY_Release_0.60 Using SSH protocol version 2 Doing Diffie-Hellman group exchange Doing Diffie-Hellman key exchange with hash SHA-256 Host key fingerprint is: ssh-rsa 2048 FINGERPRINT Initialised AES-256 SDCTR client->server encryption Initialised HMAC-SHA1 client->server MAC algorithm Initialised AES-256 SDCTR server->client encryption Initialised HMAC-SHA1 server->client MAC algorithm Reading private key file "c:/id_cmf_mediatech.ppk" Using username "mediatech". Offered public key Offer of public key accepted Authenticating with public key "rsa-key-20081029" Access granted Opened channel for session Started a shell/command HANGS HERE UNTIL I BREAK Sent EOF message ^C Net::SFTP::Foreign code: #228 ssh cmd: "c:/program files/putty/plink" mycompany@host -P port -v -i c:\id_cmf_mediatech.ppk sftp-server #228 queueing msg len: 5, code:1, id:3 ... 1 00 00 00 05 01 00 00 00 03 \| ......... #228 waiting for message... 1 Looking up host "host_IP" Connecting to host_IP port port Server version: SSH-2.0-OpenSSH_5.1 We claim version: SSH-2.0-PuTTY_Release_0.60 Using SSH protocol version 2 Doing Diffie-Hellman group exchange Doing Diffie-Hellman key exchange with hash SHA-256 Host key fingerprint is: ssh-rsa 2048 fingerprint Initialised AES-256 SDCTR client->server encryption Initialised HMAC-SHA1 client->server MAC algorithm Initialised AES-256 SDCTR server->client encryption Initialised HMAC-SHA1 server->client MAC algorithm Reading private key file "c:\id_cmf_mediatech.ppk" Using username "mediatech". Offered public key Offer of public key accepted Authenticating with public key "rsa-key-20081029" Access granted Opened channel for session Started a shell/command #228 got it!, len:95, code:2, id:3, status: - 02 00 00 00 03 00 00 00 18 70 6f 73 69 78 2d 72 65 6e 61 6d 65 40 6f 70 65 6e 73 73 68 2e 63 6f \| .........posix-rename@openssh.co 6d 00 00 00 01 31 00 00 00 13 73 74 61 74 76 66 73 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 00 00 00 \| m....1....statvfs@openssh.com... 01 32 00 00 00 14 66 73 74 61 74 76 66 73 40 6f 70 65 6e 73 73 68 2e 63 6f 6d 00 00 00 01 32 \| .2....fstatvfs@openssh.com....2 #228 Net::SFTP::Foreign=HASH(0x226e20)->DESTROY called (current pid: 228, discon nect_by_pid: ) #228 Net::SFTP::Foreign=HASH(0x226e20)->disconnect called (ssh pid: 3028) #228 _conn_lost #228 _set_status code: 7, str: Connection lost #228 _set_err code: 37, str: Connection to remote server is broken	[reply]
Re^7: Help Required - Problem Automating SFTP by salva (Canon) on Jan 30, 2009 at 13:29 UTC
so, it seems to be working! Are you doing anything else in your script, besides calling the constructor? Which version of Net::SFTP::Foreign are you using? I am missing some information in the debugging output...	[reply]
Re^6: Help Required - Problem Automating SFTP by Kraythorne (Sexton) on Jan 30, 2009 at 13:56 UTC
Version 1.46 Yep, just calling the constructor at the mo, I need to get into how the module works a bit more now I know it's working! ...a nice bit of code. Thanks!! By the way, is there a 'move' method in Net::SFTP::Foreign module so that you can move files from one directory on the FTP site to another?	[reply]