How to delete a file from a SFTP server programmatically using SharpSSH?

Question

How to delete a file from a SFTP server using Tamir Gal's SharpSSH? I have been able to accomplish other functionality but deletion.

A long belated follow-up for this question. I added this in a few updates that I did at https://bitbucket.org/mattgwagner/sharpssh to avoid re-compiling the library yourself. — MattGWagner, Mar 12 '12 at 16:30

score 24 · Answer 1 · answered Jun 28 '11 at 21:57

24

The SshExec class didn't work for me, but a little Reflection magic worked:

var prop = sftp.GetType().GetProperty("SftpChannel", BindingFlags.NonPublic | BindingFlags.Instance);
var methodInfo = prop.GetGetMethod(true);
var sftpChannel = methodInfo.Invoke(sftp, null);
((ChannelSftp) sftpChannel).rm(ftpPath);

answered Jun 28 '11 at 21:57

jbehren

780
6
11

2

Wow, what an ugly hack. Can't the so great sftp client delete files? – t3chb0t Feb 04 '16 at 17:50
1

It's less ugly than recompiling you're own copy of the DLL. The functionality is there ready to be used, it just wasn't exposed externally, so you're just poking into the object to call it. – Mike Mooney Apr 05 '18 at 18:02
This saved my time! – Karuppasamy Sep 03 '18 at 05:25

Matthew Sharpe · Answer 2 · 2010-04-22T12:49:58.790

14

To accomplish this you will need to modify the SharpSSH assembly to expose the functionality you require.

Obtain the source code and open $\SharpSSH-1.1.1.13.src\SharpSSH\Sftp.cs

Insert the following lines of code before the end of the class:

public void Delete(string path)
{
    SftpChannel.rm(path);
}

Recompile and reference the recompiled DLL in your project. You will now be able to delete files on the SFTP server.

edited Apr 22 '10 at 12:49

answered Apr 22 '10 at 12:42

Matthew Sharpe

3,667
2
25
24

3

Thank you! Stumbled upon this and it works perfectly. Just another quick tip for anyone who wants to compile this themselves, it's helpful to use the following post-build ILMerge command to end up with one handy assembly called SharpSSH.dll: `ilmerge /target:library /out:"$(TargetDir)SharpSSH.dll" /v2 "$(TargetDir)Tamir.SharpSSH.dll" "$(TargetDir)DiffieHellman.dll" "$(TargetDir)Org.Mentalis.Security.dll"` – mattmc3 Oct 20 '10 at 13:02
Helped me too. Thank you so much!! – Vbp Aug 19 '13 at 20:33

score 6 · Answer 3 · answered Jun 04 '10 at 22:26

6

Well you can also use SshExec class and then execute the "rm" command using "RunCommand" method. This way you wont have to recompile and build a new dll.

answered Jun 04 '10 at 22:26

Ankur

61
1
1

Thanks! This saved me from modifying the library. – Silviu Niculita Jan 25 '11 at 11:06

score 0 · Answer 4 · answered Dec 07 '16 at 18:58

Using Tamir's dll I would suggest to delete using the below code. In this way, you need not modify Tamir's dll, whereas the below code can be written in your class.

string fromFile = "/a/b/MyFile.txt"
SshExec se = new SshExec(host, username, password);
se.Connect(port);
se.RunCommand("rm " + fromFile);

How to delete a file from a SFTP server programmatically using SharpSSH?

4 Answers4