FTP over SSH (SFTP) in Delphi 2010

Question

I'm writing a simple Delphi app to upload a few files to a SFTP server. I thought I would be able to use a TIdFTP Indy client but it seams as tho their is not an option for FTP over SSH (SFTP). Does anyone know of any Free / Open source Components for Delphi 2010 that would support FTP over SSH (SFTP)? Due to security reasons I'm unable to use Active X controls, so please do not respond with Active X solutions.

[delphi wrapper for libssh2](https://bitbucket.org/ZeljkoMarjanovic/libssh2-delphi). — brandeded, Sep 10 '12 at 04:02
Questions asking us to recommend or find a book, tool, software library, tutorial or other off-site resource are off-topic for Stack Overflow as they tend to attract opinionated answers and spam. Instead, describe the problem and what has been done so far to solve it. — mjn, Dec 28 '15 at 10:21

score 11 · Answer 1 · answered Nov 21 '10 at 08:50

SFTP and "FTP over SSH" are two separate things, and neither involves SSL (as someone else has suggested). SFTP is a sub-protocol of SSH while "FTP over SSH" is good/bad ol' FTP tunnelled through an SSH connection with port forwarding.

Either way, what you're after is a Delphi SSH library. I was unable to find a free SSH library for Delphi and ended purchasing SecureBlackbox (http://www.eldos.com/), which is excellent by the way, although SecureBridge (http://www.devart.com) also looks pretty good.

score 9 · Answer 2 · edited May 23 '17 at 12:17

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1) SFTP is NOT FTP-over-SSH. Read the discussion here.

2) For SFTP there are no free Delphi components. You can use our SFTP client and server components for Delphi (part of SecureBlackbox product), which are supported and maintained commercial solution.

edited May 23 '17 at 12:17

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answered Nov 21 '10 at 08:46

Eugene Mayevski 'Callback

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Hmm, looks interesting and legit. – Piskvor left the building Nov 24 '10 at 09:09
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This is being flagged as spam; AFAIK linking to *related* commercial solutions, especially by a well-established account, is not spam. If this was a new account with 1 rep, that would be a different story. – user229044 Nov 24 '10 at 16:49
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Also, the post is clear about his affiliation with the product; answers like this should be encouraged. – Josh Lee Nov 24 '10 at 21:43
Edited because I think that the name Secure black Box makes it clearer . I have posted this name in answer to several questions on StackOverflow and I think it helps this answer to have the full commercial name of the product. – Warren P Mar 16 '13 at 21:55
@WarrenP Thank you for correction yet the "right" name as accepted by US Patent Office is "SecureBlackbox" (as one word) because there exist some other software titles with "blackbox" in their names. – Eugene Mayevski 'Callback Mar 17 '13 at 07:01
There's a free component now: https://github.com/superflexible/TGPuttyLib – superflexible Oct 22 '19 at 10:14

score 4 · Answer 3 · answered Nov 21 '10 at 22:05

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I've been using PuTTY's SCP command line utility, with catching it's standard out via the CreateProcess method.

answered Nov 21 '10 at 22:05

Stijn Sanders

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netcodecz · Answer 4 · 2011-11-23T23:17:33.287

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IP*Works include SFTP component - http://www.nsoftware.com/products/component/sftp.aspx and registered user of Delphi XE a XE2 can download this from code central (ID: 28437, ID: 28012)

and for Synapse is in contrib dir demo of simple SFTP - http://synapse.ararat.cz/files/contrib/

edited Nov 23 '11 at 23:17

answered Nov 23 '11 at 23:02

netcodecz

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Sorry, this version of `IP*Works` does not include `IP*Works SSH`, so no SFTP support is found here. – brandeded Sep 06 '12 at 17:03

score 3 · Answer 5 · answered Oct 22 '19 at 10:04

And since October 2019, there's a DLL fork of PuTTY with Delphi units, please see https://github.com/superflexible/TGPuttyLib

This was created to be able to achieve the highest possible transfer rates over SFTP. It's free and very easy to use (with examples).

volvox · Answer 6 · 2010-11-21T08:05:23.850

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Look at Synapse ( http://synapse.ararat.cz/doku.php/download ) suporting ssl protocole. Exemple code: http://synapse.ararat.cz/doku.php/public:howto:tcpwithssl

edited Nov 21 '10 at 08:05

answered Nov 21 '10 at 07:53

volvox

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SFTP has nothing to do with SSL. Neither SSH does. – Eugene Mayevski 'Callback Nov 21 '10 at 08:49
you are right, i had SSL in mind, but does an SSH connection to a server can be established using the SSL protocol? – volvox Nov 21 '10 at 13:38
Doing some research about synapse i came upon this: http://leonardorame.blogspot.com/2010/01/synapse-based-ssh-client.html – volvox Nov 21 '10 at 14:45
SSH and SSL are different (though similar in some aspects) technologies. – Eugene Mayevski 'Callback Nov 22 '10 at 16:04

score 0 · Answer 7 · answered Nov 23 '10 at 05:56

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Another secure connection component set is from nSoftware: http://www.nsoftware.com/ipworks/ssh/components.aspx

You get SSH Tunnel, and SFTP.

They also offer a full component set of SSL related items: http://www.nsoftware.com/ipworks/ssl/components.aspx

answered Nov 23 '10 at 05:56

Darian Miller

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score 0 · Answer 8 · answered Apr 17 '19 at 06:19

libssh2 (wriiten in C) supports SFTP, and we have two separate Delphi wrappers (not sure which one is better):

https://github.com/pult/libssh2_delphi and https://github.com/dimmaq/delphi-libssh2

SecureBridge from DevArt also support SFTP, comes with full source for the Professional Editon.

FTP over SSH (SFTP) in Delphi 2010

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