207 lines
4.8 KiB
Go
207 lines
4.8 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package agent
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import (
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"crypto"
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"crypto/rand"
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"fmt"
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"testing"
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"golang.org/x/crypto/ssh"
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)
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func TestServer(t *testing.T) {
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c1, c2, err := netPipe()
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if err != nil {
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t.Fatalf("netPipe: %v", err)
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}
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defer c1.Close()
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defer c2.Close()
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client := NewClient(c1)
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go ServeAgent(NewKeyring(), c2)
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testAgentInterface(t, client, testPrivateKeys["rsa"], nil, 0)
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}
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func TestLockServer(t *testing.T) {
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testLockAgent(NewKeyring(), t)
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}
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func TestSetupForwardAgent(t *testing.T) {
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a, b, err := netPipe()
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if err != nil {
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t.Fatalf("netPipe: %v", err)
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}
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defer a.Close()
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defer b.Close()
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_, socket, cleanup := startAgent(t)
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defer cleanup()
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serverConf := ssh.ServerConfig{
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NoClientAuth: true,
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}
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serverConf.AddHostKey(testSigners["rsa"])
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incoming := make(chan *ssh.ServerConn, 1)
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go func() {
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conn, _, _, err := ssh.NewServerConn(a, &serverConf)
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if err != nil {
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t.Fatalf("Server: %v", err)
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}
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incoming <- conn
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}()
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conf := ssh.ClientConfig{}
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conn, chans, reqs, err := ssh.NewClientConn(b, "", &conf)
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if err != nil {
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t.Fatalf("NewClientConn: %v", err)
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}
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client := ssh.NewClient(conn, chans, reqs)
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if err := ForwardToRemote(client, socket); err != nil {
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t.Fatalf("SetupForwardAgent: %v", err)
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}
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server := <-incoming
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ch, reqs, err := server.OpenChannel(channelType, nil)
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if err != nil {
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t.Fatalf("OpenChannel(%q): %v", channelType, err)
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}
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go ssh.DiscardRequests(reqs)
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agentClient := NewClient(ch)
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testAgentInterface(t, agentClient, testPrivateKeys["rsa"], nil, 0)
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conn.Close()
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}
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func TestV1ProtocolMessages(t *testing.T) {
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c1, c2, err := netPipe()
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if err != nil {
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t.Fatalf("netPipe: %v", err)
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}
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defer c1.Close()
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defer c2.Close()
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c := NewClient(c1)
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go ServeAgent(NewKeyring(), c2)
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testV1ProtocolMessages(t, c.(*client))
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}
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func testV1ProtocolMessages(t *testing.T, c *client) {
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reply, err := c.call([]byte{agentRequestV1Identities})
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if err != nil {
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t.Fatalf("v1 request all failed: %v", err)
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}
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if msg, ok := reply.(*agentV1IdentityMsg); !ok || msg.Numkeys != 0 {
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t.Fatalf("invalid request all response: %#v", reply)
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}
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reply, err = c.call([]byte{agentRemoveAllV1Identities})
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if err != nil {
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t.Fatalf("v1 remove all failed: %v", err)
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}
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if _, ok := reply.(*successAgentMsg); !ok {
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t.Fatalf("invalid remove all response: %#v", reply)
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}
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}
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func verifyKey(sshAgent Agent) error {
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keys, err := sshAgent.List()
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if err != nil {
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return fmt.Errorf("listing keys: %v", err)
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}
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if len(keys) != 1 {
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return fmt.Errorf("bad number of keys found. expected 1, got %d", len(keys))
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}
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buf := make([]byte, 128)
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if _, err := rand.Read(buf); err != nil {
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return fmt.Errorf("rand: %v", err)
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}
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sig, err := sshAgent.Sign(keys[0], buf)
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if err != nil {
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return fmt.Errorf("sign: %v", err)
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}
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if err := keys[0].Verify(buf, sig); err != nil {
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return fmt.Errorf("verify: %v", err)
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}
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return nil
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}
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func addKeyToAgent(key crypto.PrivateKey) error {
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sshAgent := NewKeyring()
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if err := sshAgent.Add(AddedKey{PrivateKey: key}); err != nil {
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return fmt.Errorf("add: %v", err)
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}
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return verifyKey(sshAgent)
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}
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func TestKeyTypes(t *testing.T) {
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for k, v := range testPrivateKeys {
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if err := addKeyToAgent(v); err != nil {
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t.Errorf("error adding key type %s, %v", k, err)
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}
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if err := addCertToAgentSock(v, nil); err != nil {
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t.Errorf("error adding key type %s, %v", k, err)
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}
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}
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}
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func addCertToAgentSock(key crypto.PrivateKey, cert *ssh.Certificate) error {
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a, b, err := netPipe()
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if err != nil {
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return err
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}
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agentServer := NewKeyring()
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go ServeAgent(agentServer, a)
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agentClient := NewClient(b)
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if err := agentClient.Add(AddedKey{PrivateKey: key, Certificate: cert}); err != nil {
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return fmt.Errorf("add: %v", err)
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}
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return verifyKey(agentClient)
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}
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func addCertToAgent(key crypto.PrivateKey, cert *ssh.Certificate) error {
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sshAgent := NewKeyring()
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if err := sshAgent.Add(AddedKey{PrivateKey: key, Certificate: cert}); err != nil {
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return fmt.Errorf("add: %v", err)
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}
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return verifyKey(sshAgent)
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}
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func TestCertTypes(t *testing.T) {
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for keyType, key := range testPublicKeys {
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cert := &ssh.Certificate{
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ValidPrincipals: []string{"gopher1"},
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ValidAfter: 0,
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ValidBefore: ssh.CertTimeInfinity,
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Key: key,
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Serial: 1,
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CertType: ssh.UserCert,
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SignatureKey: testPublicKeys["rsa"],
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Permissions: ssh.Permissions{
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CriticalOptions: map[string]string{},
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Extensions: map[string]string{},
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},
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}
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if err := cert.SignCert(rand.Reader, testSigners["rsa"]); err != nil {
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t.Fatalf("signcert: %v", err)
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}
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if err := addCertToAgent(testPrivateKeys[keyType], cert); err != nil {
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t.Fatalf("%v", err)
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}
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if err := addCertToAgentSock(testPrivateKeys[keyType], cert); err != nil {
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t.Fatalf("%v", err)
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}
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}
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}
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