Route Socket Connections through an SSH Object

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Demonstrates Socket.UseSsh, which configures a socket to route subsequent Connect calls through an already connected and authenticated Ssh object using SSH port forwarding.

require 'chilkat'

success = false

ssh = Chilkat::CkSsh.new()

#  Connect and authenticate a standalone SSH object.
success = ssh.Connect("ssh.example.com",22)
if (success == false)
    print ssh.lastErrorText() + "\n";
    exit
end

#  The SSH password should come from a secure source rather than being hard-coded.
sshPassword = "mySshPassword"
success = ssh.AuthenticatePw("sshUser",sshPassword)
if (success == false)
    print ssh.lastErrorText() + "\n";
    exit
end

socket = Chilkat::CkSocket.new()

#  Route subsequent Connect calls through the already connected and authenticated SSH object.  The
#  destination is reached by SSH port forwarding rather than by a direct TCP connection.
success = socket.UseSsh(ssh)
if (success == false)
    print socket.lastErrorText() + "\n";
    exit
end

#  Connect to the destination through the SSH tunnel.
bTls = false
maxWaitMs = 5000
success = socket.Connect("db.internal",5432,bTls,maxWaitMs)
if (success == false)
    print socket.lastErrorText() + "\n";
    exit
end

print "Connected to the destination through the SSH tunnel." + "\n";