package main import ( "crypto/tls" "net" "net/http" "net/http/httptest" "os" "time" "github.com/containous/traefik/integration/try" "github.com/go-check/check" checker "github.com/vdemeester/shakers" ) // HTTPSSuite type HTTPSSuite struct{ BaseSuite } // TestWithSNIConfigHandshake involves a client sending a SNI hostname of // "snitest.com", which happens to match the CN of 'snitest.com.crt'. The test // verifies that traefik presents the correct certificate. func (s *HTTPSSuite) TestWithSNIConfigHandshake(c *check.C) { cmd, _ := s.cmdTraefikWithConfigFile("fixtures/https/https_sni.toml") err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org")) c.Assert(err, checker.IsNil) tlsConfig := &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", NextProtos: []string{"h2", "http/1.1"}, } conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server")) defer conn.Close() err = conn.Handshake() c.Assert(err, checker.IsNil, check.Commentf("TLS handshake error")) cs := conn.ConnectionState() err = cs.PeerCertificates[0].VerifyHostname("snitest.com") c.Assert(err, checker.IsNil, check.Commentf("certificate did not match SNI servername")) proto := conn.ConnectionState().NegotiatedProtocol c.Assert(proto, checker.Equals, "h2") } // TestWithSNIConfigRoute involves a client sending HTTPS requests with // SNI hostnames of "snitest.org" and "snitest.com". The test verifies // that traefik routes the requests to the expected backends. func (s *HTTPSSuite) TestWithSNIConfigRoute(c *check.C) { cmd, _ := s.cmdTraefikWithConfigFile("fixtures/https/https_sni.toml") err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org")) c.Assert(err, checker.IsNil) backend1 := startTestServer("9010", http.StatusNoContent) backend2 := startTestServer("9020", http.StatusResetContent) defer backend1.Close() defer backend2.Close() err = try.GetRequest(backend1.URL, 1*time.Second, try.StatusCodeIs(http.StatusNoContent)) c.Assert(err, checker.IsNil) err = try.GetRequest(backend2.URL, 1*time.Second, try.StatusCodeIs(http.StatusResetContent)) c.Assert(err, checker.IsNil) tr1 := &http.Transport{ TLSClientConfig: &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", }, } tr2 := &http.Transport{ TLSClientConfig: &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.org", }, } client := &http.Client{Transport: tr1} req, err := http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil) c.Assert(err, checker.IsNil) req.Host = "snitest.com" req.Header.Set("Host", "snitest.com") req.Header.Set("Accept", "*/*") resp, err := client.Do(req) c.Assert(err, checker.IsNil) // Expected a 204 (from backend1) c.Assert(resp.StatusCode, checker.Equals, http.StatusNoContent) client = &http.Client{Transport: tr2} req, err = http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil) c.Assert(err, checker.IsNil) req.Host = "snitest.org" req.Header.Set("Host", "snitest.org") req.Header.Set("Accept", "*/*") resp, err = client.Do(req) c.Assert(err, checker.IsNil) // Expected a 205 (from backend2) c.Assert(resp.StatusCode, checker.Equals, http.StatusResetContent) } // TestWithClientCertificateAuthentication // The client has to send a certificate signed by a CA trusted by the server func (s *HTTPSSuite) TestWithClientCertificateAuthentication(c *check.C) { cmd, _ := s.cmdTraefikWithConfigFile("fixtures/https/clientca/https_1ca1config.toml") err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org")) c.Assert(err, checker.IsNil) tlsConfig := &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } // Connection without client certificate should fail conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server")) // Connect with client certificate signed by ca1 cert, err := tls.LoadX509KeyPair("fixtures/https/clientca/client1.crt", "fixtures/https/clientca/client1.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server")) conn.Close() // Connect with client signed by ca2 should fail tlsConfig = &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client2.crt", "fixtures/https/clientca/client2.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server")) } // TestWithClientCertificateAuthentication // Use two CA:s and test that clients with client signed by either of them can connect func (s *HTTPSSuite) TestWithClientCertificateAuthenticationMultipeCAs(c *check.C) { cmd, _ := s.cmdTraefikWithConfigFile("fixtures/https/clientca/https_2ca1config.toml") err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org")) c.Assert(err, checker.IsNil) tlsConfig := &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } // Connection without client certificate should fail conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server")) // Connect with client signed by ca1 cert, err := tls.LoadX509KeyPair("fixtures/https/clientca/client1.crt", "fixtures/https/clientca/client1.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server")) conn.Close() // Connect with client signed by ca2 tlsConfig = &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client2.crt", "fixtures/https/clientca/client2.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server")) conn.Close() // Connect with client signed by ca3 should fail tlsConfig = &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client3.crt", "fixtures/https/clientca/client3.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server")) } // TestWithClientCertificateAuthentication // Use two CA:s in two different files and test that clients with client signed by either of them can connect func (s *HTTPSSuite) TestWithClientCertificateAuthenticationMultipeCAsMultipleFiles(c *check.C) { cmd, _ := s.cmdTraefikWithConfigFile("fixtures/https/clientca/https_2ca2config.toml") err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1000*time.Millisecond, try.BodyContains("Host:snitest.org")) c.Assert(err, checker.IsNil) tlsConfig := &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } // Connection without client certificate should fail conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server")) // Connect with client signed by ca1 cert, err := tls.LoadX509KeyPair("fixtures/https/clientca/client1.crt", "fixtures/https/clientca/client1.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server")) conn.Close() // Connect with client signed by ca2 tlsConfig = &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client2.crt", "fixtures/https/clientca/client2.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server")) conn.Close() // Connect with client signed by ca3 should fail tlsConfig = &tls.Config{ InsecureSkipVerify: true, ServerName: "snitest.com", Certificates: []tls.Certificate{}, } cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client3.crt", "fixtures/https/clientca/client3.key") c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key")) tlsConfig.Certificates = append(tlsConfig.Certificates, cert) conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig) c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server")) } func (s *HTTPSSuite) TestWithRootCAsContentForHTTPSOnBackend(c *check.C) { backend := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(200) })) defer backend.Close() file := s.adaptFile(c, "fixtures/https/rootcas/https.toml", struct{ BackendHost string }{backend.URL}) defer os.Remove(file) cmd, _ := s.cmdTraefikWithConfigFile(file) err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1000*time.Millisecond, try.BodyContains(backend.URL)) c.Assert(err, checker.IsNil) err = try.GetRequest("http://127.0.0.1:8081/ping", 1000*time.Millisecond, try.StatusCodeIs(http.StatusOK)) c.Assert(err, checker.IsNil) } func (s *HTTPSSuite) TestWithRootCAsFileForHTTPSOnBackend(c *check.C) { backend := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(200) })) defer backend.Close() file := s.adaptFile(c, "fixtures/https/rootcas/https_with_file.toml", struct{ BackendHost string }{backend.URL}) defer os.Remove(file) cmd, _ := s.cmdTraefikWithConfigFile(file) err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for Traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1000*time.Millisecond, try.BodyContains(backend.URL)) c.Assert(err, checker.IsNil) err = try.GetRequest("http://127.0.0.1:8081/ping", 1000*time.Millisecond, try.StatusCodeIs(http.StatusOK)) c.Assert(err, checker.IsNil) } func startTestServer(port string, statusCode int) (ts *httptest.Server) { handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(statusCode) }) listener, err := net.Listen("tcp", "127.0.0.1:"+port) if err != nil { panic(err) } ts = &httptest.Server{ Listener: listener, Config: &http.Server{Handler: handler}, } ts.Start() return ts }