package main import ( "fmt" "io/ioutil" "net" "net/http" "os" "os/exec" "path/filepath" "strings" "time" "github.com/docker/docker/cliconfig" "github.com/docker/docker/pkg/integration/checker" "github.com/docker/docker/pkg/tlsconfig" "github.com/go-check/check" ) var notaryBinary = "notary" var notaryServerBinary = "notary-server" type keyPair struct { Public string Private string } type testNotary struct { cmd *exec.Cmd dir string keys []keyPair } const notaryHost = "localhost:4443" const notaryURL = "https://" + notaryHost func newTestNotary(c *check.C) (*testNotary, error) { // generate server config template := `{ "server": { "http_addr": "%s", "tls_key_file": "%s", "tls_cert_file": "%s" }, "trust_service": { "type": "local", "hostname": "", "port": "", "key_algorithm": "ed25519" }, "logging": { "level": "debug" }, "storage": { "backend": "memory" } }` tmp, err := ioutil.TempDir("", "notary-test-") if err != nil { return nil, err } confPath := filepath.Join(tmp, "config.json") config, err := os.Create(confPath) defer config.Close() if err != nil { return nil, err } workingDir, err := os.Getwd() if err != nil { return nil, err } if _, err := fmt.Fprintf(config, template, notaryHost, filepath.Join(workingDir, "fixtures/notary/localhost.key"), filepath.Join(workingDir, "fixtures/notary/localhost.cert")); err != nil { os.RemoveAll(tmp) return nil, err } // generate client config clientConfPath := filepath.Join(tmp, "client-config.json") clientConfig, err := os.Create(clientConfPath) defer clientConfig.Close() if err != nil { return nil, err } template = `{ "trust_dir" : "%s", "remote_server": { "url": "%s", "skipTLSVerify": true } }` if _, err = fmt.Fprintf(clientConfig, template, filepath.Join(cliconfig.ConfigDir(), "trust"), notaryURL); err != nil { os.RemoveAll(tmp) return nil, err } // load key fixture filenames var keys []keyPair for i := 1; i < 5; i++ { keys = append(keys, keyPair{ Public: filepath.Join(workingDir, fmt.Sprintf("fixtures/notary/delgkey%v.crt", i)), Private: filepath.Join(workingDir, fmt.Sprintf("fixtures/notary/delgkey%v.key", i)), }) } // run notary-server cmd := exec.Command(notaryServerBinary, "-config", confPath) if err := cmd.Start(); err != nil { os.RemoveAll(tmp) if os.IsNotExist(err) { c.Skip(err.Error()) } return nil, err } testNotary := &testNotary{ cmd: cmd, dir: tmp, keys: keys, } // Wait for notary to be ready to serve requests. for i := 1; i <= 20; i++ { if err = testNotary.Ping(); err == nil { break } time.Sleep(10 * time.Millisecond * time.Duration(i*i)) } if err != nil { c.Fatalf("Timeout waiting for test notary to become available: %s", err) } return testNotary, nil } func (t *testNotary) Ping() error { tlsConfig := tlsconfig.ClientDefault tlsConfig.InsecureSkipVerify = true client := http.Client{ Transport: &http.Transport{ Proxy: http.ProxyFromEnvironment, Dial: (&net.Dialer{ Timeout: 30 * time.Second, KeepAlive: 30 * time.Second, }).Dial, TLSHandshakeTimeout: 10 * time.Second, TLSClientConfig: &tlsConfig, }, } resp, err := client.Get(fmt.Sprintf("%s/v2/", notaryURL)) if err != nil { return err } if resp.StatusCode != http.StatusOK { return fmt.Errorf("notary ping replied with an unexpected status code %d", resp.StatusCode) } return nil } func (t *testNotary) Close() { t.cmd.Process.Kill() os.RemoveAll(t.dir) } func (s *DockerTrustSuite) trustedCmd(cmd *exec.Cmd) { pwd := "12345678" trustCmdEnv(cmd, notaryURL, pwd, pwd) } func (s *DockerTrustSuite) trustedCmdWithServer(cmd *exec.Cmd, server string) { pwd := "12345678" trustCmdEnv(cmd, server, pwd, pwd) } func (s *DockerTrustSuite) trustedCmdWithPassphrases(cmd *exec.Cmd, rootPwd, repositoryPwd string) { trustCmdEnv(cmd, notaryURL, rootPwd, repositoryPwd) } func trustCmdEnv(cmd *exec.Cmd, server, rootPwd, repositoryPwd string) { env := []string{ "DOCKER_CONTENT_TRUST=1", fmt.Sprintf("DOCKER_CONTENT_TRUST_SERVER=%s", server), fmt.Sprintf("DOCKER_CONTENT_TRUST_ROOT_PASSPHRASE=%s", rootPwd), fmt.Sprintf("DOCKER_CONTENT_TRUST_REPOSITORY_PASSPHRASE=%s", repositoryPwd), } cmd.Env = append(os.Environ(), env...) } func (s *DockerTrustSuite) setupTrustedImage(c *check.C, name string) string { repoName := fmt.Sprintf("%v/dockercli/%s:latest", privateRegistryURL, name) // tag the image and upload it to the private registry dockerCmd(c, "tag", "busybox", repoName) pushCmd := exec.Command(dockerBinary, "push", repoName) s.trustedCmd(pushCmd) out, _, err := runCommandWithOutput(pushCmd) if err != nil { c.Fatalf("Error running trusted push: %s\n%s", err, out) } if !strings.Contains(string(out), "Signing and pushing trust metadata") { c.Fatalf("Missing expected output on trusted push:\n%s", out) } if out, status := dockerCmd(c, "rmi", repoName); status != 0 { c.Fatalf("Error removing image %q\n%s", repoName, out) } return repoName } func notaryClientEnv(cmd *exec.Cmd) { pwd := "12345678" env := []string{ fmt.Sprintf("NOTARY_ROOT_PASSPHRASE=%s", pwd), fmt.Sprintf("NOTARY_TARGETS_PASSPHRASE=%s", pwd), fmt.Sprintf("NOTARY_SNAPSHOT_PASSPHRASE=%s", pwd), fmt.Sprintf("NOTARY_DELEGATION_PASSPHRASE=%s", pwd), } cmd.Env = append(os.Environ(), env...) } func (s *DockerTrustSuite) notaryInitRepo(c *check.C, repoName string) { initCmd := exec.Command(notaryBinary, "-c", filepath.Join(s.not.dir, "client-config.json"), "init", repoName) notaryClientEnv(initCmd) out, _, err := runCommandWithOutput(initCmd) if err != nil { c.Fatalf("Error initializing notary repository: %s\n", out) } } func (s *DockerTrustSuite) notaryCreateDelegation(c *check.C, repoName, role string, pubKey string, paths ...string) { pathsArg := "--all-paths" if len(paths) > 0 { pathsArg = "--paths=" + strings.Join(paths, ",") } delgCmd := exec.Command(notaryBinary, "-c", filepath.Join(s.not.dir, "client-config.json"), "delegation", "add", repoName, role, pubKey, pathsArg) notaryClientEnv(delgCmd) out, _, err := runCommandWithOutput(delgCmd) if err != nil { c.Fatalf("Error adding %s role to notary repository: %s\n", role, out) } } func (s *DockerTrustSuite) notaryPublish(c *check.C, repoName string) { pubCmd := exec.Command(notaryBinary, "-c", filepath.Join(s.not.dir, "client-config.json"), "publish", repoName) notaryClientEnv(pubCmd) out, _, err := runCommandWithOutput(pubCmd) if err != nil { c.Fatalf("Error publishing notary repository: %s\n", out) } } func (s *DockerTrustSuite) notaryImportKey(c *check.C, repoName, role string, privKey string) { impCmd := exec.Command(notaryBinary, "-c", filepath.Join(s.not.dir, "client-config.json"), "key", "import", privKey, "-g", repoName, "-r", role) notaryClientEnv(impCmd) out, _, err := runCommandWithOutput(impCmd) if err != nil { c.Fatalf("Error importing key to notary repository: %s\n", out) } } func (s *DockerTrustSuite) notaryListTargetsInRole(c *check.C, repoName, role string) map[string]string { listCmd := exec.Command(notaryBinary, "-c", filepath.Join(s.not.dir, "client-config.json"), "list", repoName, "-r", role) notaryClientEnv(listCmd) out, _, err := runCommandWithOutput(listCmd) if err != nil { c.Fatalf("Error listing targets in notary repository: %s\n", out) } // should look something like: // NAME DIGEST SIZE (BYTES) ROLE // ------------------------------------------------------------------------------------------------------ // latest 24a36bbc059b1345b7e8be0df20f1b23caa3602e85d42fff7ecd9d0bd255de56 1377 targets targets := make(map[string]string) // no target lines := strings.Split(strings.TrimSpace(out), "\n") if len(lines) == 1 && strings.Contains(out, "No targets present in this repository.") { return targets } // otherwise, there is at least one target c.Assert(len(lines), checker.GreaterOrEqualThan, 3) for _, line := range lines[2:] { tokens := strings.Fields(line) c.Assert(tokens, checker.HasLen, 4) targets[tokens[0]] = tokens[3] } return targets } func (s *DockerTrustSuite) assertTargetInRoles(c *check.C, repoName, target string, roles ...string) { // check all the roles for _, role := range roles { targets := s.notaryListTargetsInRole(c, repoName, role) roleName, ok := targets[target] c.Assert(ok, checker.True) c.Assert(roleName, checker.Equals, role) } } func (s *DockerTrustSuite) assertTargetNotInRoles(c *check.C, repoName, target string, roles ...string) { targets := s.notaryListTargetsInRole(c, repoName, "targets") roleName, ok := targets[target] if ok { for _, role := range roles { c.Assert(roleName, checker.Not(checker.Equals), role) } } }