func NewTunnelledSSHClient(user, tunaddr, tgtaddr string) (*gossh.ClientConn, error) {
clientConfig, err := sshClientConfig(user)
if err != nil {
return nil, err
}
var tunnelClient *gossh.ClientConn
dialFunc := func(echan chan error) {
var err error
tunnelClient, err = gossh.Dial("tcp", tunaddr, clientConfig)
echan <- err
}
err = timeoutSSHDial(dialFunc)
if err != nil {
return nil, err
}
var targetConn net.Conn
dialFunc = func(echan chan error) {
var err error
targetConn, err = tunnelClient.Dial("tcp", tgtaddr)
echan <- err
}
err = timeoutSSHDial(dialFunc)
if err != nil {
return nil, err
}
targetClient, err := gossh.Client(targetConn, clientConfig)
if err != nil {
return nil, err
}
return targetClient, nil
}
