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
}
func (s *server) TryDial(config *ssh.ClientConfig) (*ssh.ClientConn, error) {
sshd, err := exec.LookPath("sshd")
if err != nil {
s.t.Skipf("skipping test: %v", err)
}
c1, c2, err := unixConnection()
if err != nil {
s.t.Fatalf("unixConnection: %v", err)
}
s.cmd = exec.Command(sshd, "-f", s.configfile, "-i", "-e")
f, err := c2.File()
if err != nil {
s.t.Fatalf("UnixConn.File: %v", err)
}
defer f.Close()
s.cmd.Stdin = f
s.cmd.Stdout = f
s.cmd.Stderr = &s.output
if err := s.cmd.Start(); err != nil {
s.t.Fail()
s.Shutdown()
s.t.Fatalf("s.cmd.Start: %v", err)
}
s.clientConn = c1
return ssh.Client(c1, config)
}
func NewTunnelledSSHClient(user, tunaddr, tgtaddr string) (*gossh.ClientConn, error) {
clientConfig := sshClientConfig(user)
tunnelClient, err := gossh.Dial("tcp", tunaddr, clientConfig)
if err != nil {
return nil, err
}
targetConn, err := tunnelClient.Dial("tcp", tgtaddr)
if err != nil {
return nil, err
}
targetClient, err := gossh.Client(targetConn, clientConfig)
if err != nil {
return nil, err
}
return targetClient, nil
}