PowerBuilder

Connect to an SSH Server

Demonstrates the Chilkat Ssh.Connect method, which establishes a connection to an SSH server. The first argument is the hostname (a DNS name or a numeric IPv4/IPv6 address) and the second is the TCP port, usually 22. Connecting is the first step; authentication follows before any channels can be opened.

Background: Connect establishes only the SSH transport — the encrypted channel and host-key exchange — but does not log in. An SSH session is always used in stages: connect, authenticate, then open one or more channels for shell, exec, or port-forwarding work. Timeouts and optional SOCKS/HTTP proxying are controlled by the object's properties before this call.

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integer li_rc
integer li_Success
oleobject loo_Ssh
integer li_SshPort

li_Success = 0

//  Demonstrates the Ssh.Connect method, which establishes a connection to an SSH server.  The
//  1st argument is the hostname (a DNS name or numeric IP) and the 2nd is the TCP port.

loo_Ssh = create oleobject
li_rc = loo_Ssh.ConnectToNewObject("Chilkat.Ssh")
if li_rc < 0 then
    destroy loo_Ssh
    MessageBox("Error","Connecting to COM object failed")
    return
end if

//  Port 22 is the usual SSH port.
li_SshPort = 22
li_Success = loo_Ssh.Connect("ssh.example.com",li_SshPort)
if li_Success = 0 then
    Write-Debug loo_Ssh.LastErrorText
    destroy loo_Ssh
    return
end if

Write-Debug "Connected to the SSH server."

//  (Authentication would follow here before opening channels.)

loo_Ssh.Disconnect()


destroy loo_Ssh