예제 #1
0
func (s *SSHGoCryptoCommandSuite) TestNewGoCryptoClient(c *gc.C) {
	_, err := ssh.NewGoCryptoClient()
	c.Assert(err, jc.ErrorIsNil)
	private, _, err := ssh.GenerateKey("test-client")
	c.Assert(err, jc.ErrorIsNil)
	key, err := cryptossh.ParsePrivateKey([]byte(private))
	c.Assert(err, jc.ErrorIsNil)
	_, err = ssh.NewGoCryptoClient(key)
	c.Assert(err, jc.ErrorIsNil)
}
예제 #2
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func (s *SSHGoCryptoCommandSuite) TestProxyCommand(c *gc.C) {
	realNetcat, err := exec.LookPath("nc")
	if err != nil {
		c.Skip("skipping test, couldn't find netcat: %v")
		return
	}
	netcat := filepath.Join(c.MkDir(), "nc")
	err = ioutil.WriteFile(netcat, []byte("#!/bin/sh\necho $0 \"$@\" > $0.args && exec "+realNetcat+" \"$@\""), 0755)
	c.Assert(err, jc.ErrorIsNil)

	private, _, err := ssh.GenerateKey("test-server")
	c.Assert(err, jc.ErrorIsNil)
	key, err := cryptossh.ParsePrivateKey([]byte(private))
	client, err := ssh.NewGoCryptoClient(key)
	c.Assert(err, jc.ErrorIsNil)
	server := newServer(c)
	var opts ssh.Options
	port := server.listener.Addr().(*net.TCPAddr).Port
	opts.SetProxyCommand(netcat, "-q0", "%h", "%p")
	opts.SetPort(port)
	cmd := client.Command("127.0.0.1", testCommand, &opts)
	server.cfg.PublicKeyCallback = func(_ cryptossh.ConnMetadata, pubkey cryptossh.PublicKey) (*cryptossh.Permissions, error) {
		return nil, nil
	}
	go server.run(c)
	out, err := cmd.Output()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(string(out), gc.Equals, "abc value\n")
	// Ensure the proxy command was executed with the appropriate arguments.
	data, err := ioutil.ReadFile(netcat + ".args")
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(string(data), gc.Equals, fmt.Sprintf("%s -q0 127.0.0.1 %v\n", netcat, port))
}
예제 #3
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func (s *SSHGoCryptoCommandSuite) SetUpTest(c *gc.C) {
	s.IsolationSuite.SetUpTest(c)
	generateKeyRestorer := overrideGenerateKey(c)
	s.AddCleanup(func(*gc.C) { generateKeyRestorer.Restore() })
	client, err := ssh.NewGoCryptoClient()
	c.Assert(err, jc.ErrorIsNil)
	s.client = client
}
예제 #4
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func (s *SSHGoCryptoCommandSuite) TestClientNoKeys(c *gc.C) {
	client, err := ssh.NewGoCryptoClient()
	c.Assert(err, jc.ErrorIsNil)
	cmd := client.Command("0.1.2.3", []string{"echo", "123"}, nil)
	_, err = cmd.Output()
	c.Assert(err, gc.ErrorMatches, "no private keys available")
	defer ssh.ClearClientKeys()
	err = ssh.LoadClientKeys(c.MkDir())
	c.Assert(err, jc.ErrorIsNil)

	s.PatchValue(ssh.SSHDial, func(network, address string, cfg *cryptossh.ClientConfig) (*cryptossh.Client, error) {
		return nil, errors.New("ssh.Dial failed")
	})
	cmd = client.Command("0.1.2.3", []string{"echo", "123"}, nil)
	_, err = cmd.Output()
	// error message differs based on whether using cgo or not
	c.Assert(err, gc.ErrorMatches, "ssh.Dial failed")
}
예제 #5
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func (s *SSHGoCryptoCommandSuite) TestCommand(c *gc.C) {
	private, _, err := ssh.GenerateKey("test-server")
	c.Assert(err, jc.ErrorIsNil)
	key, err := cryptossh.ParsePrivateKey([]byte(private))
	client, err := ssh.NewGoCryptoClient(key)
	c.Assert(err, jc.ErrorIsNil)
	server := newServer(c)
	var opts ssh.Options
	opts.SetPort(server.listener.Addr().(*net.TCPAddr).Port)
	cmd := client.Command("127.0.0.1", testCommand, &opts)
	checkedKey := false
	server.cfg.PublicKeyCallback = func(conn cryptossh.ConnMetadata, pubkey cryptossh.PublicKey) (*cryptossh.Permissions, error) {
		c.Check(pubkey, gc.DeepEquals, key.PublicKey())
		checkedKey = true
		return nil, nil
	}
	go server.run(c)
	out, err := cmd.Output()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(string(out), gc.Equals, "abc value\n")
	c.Assert(checkedKey, jc.IsTrue)
}
예제 #6
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func (s *SSHGoCryptoCommandSuite) TestCopy(c *gc.C) {
	client, err := ssh.NewGoCryptoClient()
	c.Assert(err, jc.ErrorIsNil)
	err = client.Copy([]string{"0.1.2.3:b", c.MkDir()}, nil)
	c.Assert(err, gc.ErrorMatches, `scp command is not implemented \(OpenSSH scp not available in PATH\)`)
}