mirror of
https://github.com/traefik/traefik.git
synced 2025-11-04 02:11:15 +01:00
555 lines
20 KiB
Go
555 lines
20 KiB
Go
package integration
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import (
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"bytes"
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"crypto/tls"
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"fmt"
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"net"
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"net/http"
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"net/http/httptest"
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"os"
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"time"
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"github.com/BurntSushi/toml"
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"github.com/containous/traefik/integration/try"
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traefikTls "github.com/containous/traefik/tls"
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"github.com/containous/traefik/types"
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"github.com/go-check/check"
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checker "github.com/vdemeester/shakers"
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)
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// HTTPSSuite
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type HTTPSSuite struct{ BaseSuite }
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// TestWithSNIConfigHandshake involves a client sending a SNI hostname of
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// "snitest.com", which happens to match the CN of 'snitest.com.crt'. The test
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// verifies that traefik presents the correct certificate.
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func (s *HTTPSSuite) TestWithSNIConfigHandshake(c *check.C) {
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cmd, display := s.traefikCmd(withConfigFile("fixtures/https/https_sni.toml"))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org"))
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c.Assert(err, checker.IsNil)
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tlsConfig := &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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NextProtos: []string{"h2", "http/1.1"},
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}
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conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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defer conn.Close()
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err = conn.Handshake()
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c.Assert(err, checker.IsNil, check.Commentf("TLS handshake error"))
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cs := conn.ConnectionState()
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err = cs.PeerCertificates[0].VerifyHostname("snitest.com")
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c.Assert(err, checker.IsNil, check.Commentf("certificate did not match SNI servername"))
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proto := conn.ConnectionState().NegotiatedProtocol
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c.Assert(proto, checker.Equals, "h2")
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}
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// TestWithSNIConfigRoute involves a client sending HTTPS requests with
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// SNI hostnames of "snitest.org" and "snitest.com". The test verifies
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// that traefik routes the requests to the expected backends.
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func (s *HTTPSSuite) TestWithSNIConfigRoute(c *check.C) {
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cmd, display := s.traefikCmd(withConfigFile("fixtures/https/https_sni.toml"))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org"))
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c.Assert(err, checker.IsNil)
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backend1 := startTestServer("9010", http.StatusNoContent)
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backend2 := startTestServer("9020", http.StatusResetContent)
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defer backend1.Close()
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defer backend2.Close()
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err = try.GetRequest(backend1.URL, 1*time.Second, try.StatusCodeIs(http.StatusNoContent))
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c.Assert(err, checker.IsNil)
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err = try.GetRequest(backend2.URL, 1*time.Second, try.StatusCodeIs(http.StatusResetContent))
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c.Assert(err, checker.IsNil)
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tr1 := &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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},
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}
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tr2 := &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.org",
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},
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}
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client := &http.Client{Transport: tr1}
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req, err := http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil)
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c.Assert(err, checker.IsNil)
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req.Host = "snitest.com"
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req.Header.Set("Host", "snitest.com")
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req.Header.Set("Accept", "*/*")
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resp, err := client.Do(req)
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c.Assert(err, checker.IsNil)
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// Expected a 204 (from backend1)
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c.Assert(resp.StatusCode, checker.Equals, http.StatusNoContent)
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client = &http.Client{Transport: tr2}
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req, err = http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil)
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c.Assert(err, checker.IsNil)
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req.Host = "snitest.org"
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req.Header.Set("Host", "snitest.org")
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req.Header.Set("Accept", "*/*")
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resp, err = client.Do(req)
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c.Assert(err, checker.IsNil)
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// Expected a 205 (from backend2)
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c.Assert(resp.StatusCode, checker.Equals, http.StatusResetContent)
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}
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// TestWithClientCertificateAuthentication
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// The client can send a certificate signed by a CA trusted by the server but it's optional
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func (s *HTTPSSuite) TestWithClientCertificateAuthentication(c *check.C) {
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cmd, display := s.traefikCmd(withConfigFile("fixtures/https/clientca/https_1ca1config.toml"))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org"))
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c.Assert(err, checker.IsNil)
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tlsConfig := &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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// Connection without client certificate should fail
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_, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("should be allowed to connect to server"))
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// Connect with client certificate signed by ca1
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cert, err := tls.LoadX509KeyPair("fixtures/https/clientca/client1.crt", "fixtures/https/clientca/client1.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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conn.Close()
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// Connect with client certificate not signed by ca1
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cert, err = tls.LoadX509KeyPair("fixtures/https/snitest.org.cert", "fixtures/https/snitest.org.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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conn.Close()
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// Connect with client signed by ca2 should fail
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tlsConfig = &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client2.crt", "fixtures/https/clientca/client2.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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_, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("should be allowed to connect to server"))
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}
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// TestWithClientCertificateAuthentication
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// Use two CA:s and test that clients with client signed by either of them can connect
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func (s *HTTPSSuite) TestWithClientCertificateAuthenticationMultipeCAs(c *check.C) {
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cmd, display := s.traefikCmd(withConfigFile("fixtures/https/clientca/https_2ca1config.toml"))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 500*time.Millisecond, try.BodyContains("Host:snitest.org"))
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c.Assert(err, checker.IsNil)
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tlsConfig := &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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// Connection without client certificate should fail
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_, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server"))
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// Connect with client signed by ca1
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cert, err := tls.LoadX509KeyPair("fixtures/https/clientca/client1.crt", "fixtures/https/clientca/client1.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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conn.Close()
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// Connect with client signed by ca2
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tlsConfig = &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client2.crt", "fixtures/https/clientca/client2.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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conn.Close()
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// Connect with client signed by ca3 should fail
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tlsConfig = &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client3.crt", "fixtures/https/clientca/client3.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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_, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server"))
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}
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// TestWithClientCertificateAuthentication
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// Use two CA:s in two different files and test that clients with client signed by either of them can connect
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func (s *HTTPSSuite) TestWithClientCertificateAuthenticationMultipeCAsMultipleFiles(c *check.C) {
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cmd, display := s.traefikCmd(withConfigFile("fixtures/https/clientca/https_2ca2config.toml"))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1000*time.Millisecond, try.BodyContains("Host:snitest.org"))
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c.Assert(err, checker.IsNil)
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tlsConfig := &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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// Connection without client certificate should fail
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_, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server"))
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// Connect with client signed by ca1
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cert, err := tls.LoadX509KeyPair("fixtures/https/clientca/client1.crt", "fixtures/https/clientca/client1.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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conn.Close()
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// Connect with client signed by ca2
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tlsConfig = &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client2.crt", "fixtures/https/clientca/client2.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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conn, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
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conn.Close()
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// Connect with client signed by ca3 should fail
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tlsConfig = &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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Certificates: []tls.Certificate{},
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}
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cert, err = tls.LoadX509KeyPair("fixtures/https/clientca/client3.crt", "fixtures/https/clientca/client3.key")
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c.Assert(err, checker.IsNil, check.Commentf("unable to load client certificate and key"))
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tlsConfig.Certificates = append(tlsConfig.Certificates, cert)
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_, err = tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
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c.Assert(err, checker.NotNil, check.Commentf("should not be allowed to connect to server"))
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}
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func (s *HTTPSSuite) TestWithRootCAsContentForHTTPSOnBackend(c *check.C) {
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backend := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}))
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defer backend.Close()
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file := s.adaptFile(c, "fixtures/https/rootcas/https.toml", struct{ BackendHost string }{backend.URL})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1*time.Second, try.BodyContains(backend.URL))
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c.Assert(err, checker.IsNil)
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err = try.GetRequest("http://127.0.0.1:8081/ping", 1*time.Second, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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}
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func (s *HTTPSSuite) TestWithRootCAsFileForHTTPSOnBackend(c *check.C) {
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backend := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}))
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defer backend.Close()
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file := s.adaptFile(c, "fixtures/https/rootcas/https_with_file.toml", struct{ BackendHost string }{backend.URL})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1*time.Second, try.BodyContains(backend.URL))
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c.Assert(err, checker.IsNil)
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err = try.GetRequest("http://127.0.0.1:8081/ping", 1*time.Second, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
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}
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func startTestServer(port string, statusCode int) (ts *httptest.Server) {
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handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(statusCode)
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})
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listener, err := net.Listen("tcp", "127.0.0.1:"+port)
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if err != nil {
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panic(err)
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}
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ts = &httptest.Server{
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Listener: listener,
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Config: &http.Server{Handler: handler},
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}
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ts.Start()
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return ts
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}
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// TestWithSNIConfigRoute involves a client sending HTTPS requests with
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// SNI hostnames of "snitest.org" and "snitest.com". The test verifies
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// that traefik routes the requests to the expected backends thanks to given certificate if possible
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// otherwise thanks to the default one.
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func (s *HTTPSSuite) TestWithSNIDynamicConfigRouteWithNoChange(c *check.C) {
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dynamicConfFileName := s.adaptFile(c, "fixtures/https/dynamic_https.toml", struct{}{})
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defer os.Remove(dynamicConfFileName)
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confFileName := s.adaptFile(c, "fixtures/https/dynamic_https_sni.toml", struct {
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DynamicConfFileName string
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}{
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DynamicConfFileName: dynamicConfFileName,
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})
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defer os.Remove(confFileName)
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cmd, display := s.traefikCmd(withConfigFile(confFileName))
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defer display(c)
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err := cmd.Start()
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c.Assert(err, checker.IsNil)
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defer cmd.Process.Kill()
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tr1 := &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.org",
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},
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}
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tr2 := &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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ServerName: "snitest.com",
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},
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}
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1*time.Second, try.BodyContains("Host:"+tr1.TLSClientConfig.ServerName))
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c.Assert(err, checker.IsNil)
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backend1 := startTestServer("9010", http.StatusNoContent)
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backend2 := startTestServer("9020", http.StatusResetContent)
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defer backend1.Close()
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defer backend2.Close()
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err = try.GetRequest(backend1.URL, 500*time.Millisecond, try.StatusCodeIs(http.StatusNoContent))
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c.Assert(err, checker.IsNil)
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err = try.GetRequest(backend2.URL, 500*time.Millisecond, try.StatusCodeIs(http.StatusResetContent))
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c.Assert(err, checker.IsNil)
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client := &http.Client{Transport: tr1}
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req, err := http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil)
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c.Assert(err, checker.IsNil)
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req.Host = tr1.TLSClientConfig.ServerName
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req.Header.Set("Host", tr1.TLSClientConfig.ServerName)
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req.Header.Set("Accept", "*/*")
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resp, err := client.Do(req)
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c.Assert(err, checker.IsNil)
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// snitest.org certificate must be used yet
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c.Assert(resp.TLS.PeerCertificates[0].Subject.CommonName, check.Equals, tr1.TLSClientConfig.ServerName)
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// Expected a 204 (from backend1)
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c.Assert(resp.StatusCode, checker.Equals, http.StatusResetContent)
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client = &http.Client{Transport: tr2}
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req.Host = tr2.TLSClientConfig.ServerName
|
|
req.Header.Set("Host", tr2.TLSClientConfig.ServerName)
|
|
resp, err = client.Do(req)
|
|
c.Assert(err, checker.IsNil)
|
|
// snitest.com certificate does not exist, default certificate has to be used
|
|
c.Assert(resp.TLS.PeerCertificates[0].Subject.CommonName, checker.Not(check.Equals), tr2.TLSClientConfig.ServerName)
|
|
// Expected a 205 (from backend2)
|
|
c.Assert(resp.StatusCode, checker.Equals, http.StatusNoContent)
|
|
}
|
|
|
|
// TestWithSNIConfigRoute involves a client sending HTTPS requests with
|
|
// SNI hostnames of "snitest.org" and "snitest.com". The test verifies
|
|
// that traefik updates its configuration when the HTTPS configuration is modified and
|
|
// it routes the requests to the expected backends thanks to given certificate if possible
|
|
// otherwise thanks to the default one.
|
|
func (s *HTTPSSuite) TestWithSNIDynamicConfigRouteWithChange(c *check.C) {
|
|
dynamicConfFileName := s.adaptFile(c, "fixtures/https/dynamic_https.toml", struct{}{})
|
|
defer os.Remove(dynamicConfFileName)
|
|
confFileName := s.adaptFile(c, "fixtures/https/dynamic_https_sni.toml", struct {
|
|
DynamicConfFileName string
|
|
}{
|
|
DynamicConfFileName: dynamicConfFileName,
|
|
})
|
|
defer os.Remove(confFileName)
|
|
cmd, display := s.traefikCmd(withConfigFile(confFileName))
|
|
defer display(c)
|
|
err := cmd.Start()
|
|
c.Assert(err, checker.IsNil)
|
|
defer cmd.Process.Kill()
|
|
|
|
tr1 := &http.Transport{
|
|
TLSClientConfig: &tls.Config{
|
|
InsecureSkipVerify: true,
|
|
ServerName: "snitest.com",
|
|
},
|
|
}
|
|
|
|
tr2 := &http.Transport{
|
|
TLSClientConfig: &tls.Config{
|
|
InsecureSkipVerify: true,
|
|
ServerName: "snitest.org",
|
|
},
|
|
}
|
|
|
|
// wait for Traefik
|
|
err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1*time.Second, try.BodyContains("Host:"+tr2.TLSClientConfig.ServerName))
|
|
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, 500*time.Millisecond, try.StatusCodeIs(http.StatusNoContent))
|
|
c.Assert(err, checker.IsNil)
|
|
err = try.GetRequest(backend2.URL, 500*time.Millisecond, try.StatusCodeIs(http.StatusResetContent))
|
|
c.Assert(err, checker.IsNil)
|
|
|
|
req, err := http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil)
|
|
client := &http.Client{Transport: tr1}
|
|
req.Host = tr1.TLSClientConfig.ServerName
|
|
req.Header.Set("Host", tr1.TLSClientConfig.ServerName)
|
|
req.Header.Set("Accept", "*/*")
|
|
|
|
// Change certificates configuration file content
|
|
modifyCertificateConfFileContent(c, tr1.TLSClientConfig.ServerName, dynamicConfFileName)
|
|
var resp *http.Response
|
|
err = try.Do(30*time.Second, func() error {
|
|
resp, err = client.Do(req)
|
|
|
|
// /!\ If connection is not closed, SSLHandshake will only be done during the first trial /!\
|
|
req.Close = true
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cn := resp.TLS.PeerCertificates[0].Subject.CommonName
|
|
if cn != tr1.TLSClientConfig.ServerName {
|
|
return fmt.Errorf("domain %s found in place of %s", cn, tr1.TLSClientConfig.ServerName)
|
|
}
|
|
|
|
return nil
|
|
})
|
|
c.Assert(err, checker.IsNil)
|
|
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
|
|
client = &http.Client{Transport: tr2}
|
|
req.Host = tr2.TLSClientConfig.ServerName
|
|
req.Header.Set("Host", tr2.TLSClientConfig.ServerName)
|
|
|
|
err = try.Do(60*time.Second, func() error {
|
|
resp, err = client.Do(req)
|
|
|
|
// /!\ If connection is not closed, SSLHandshake will only be done during the first trial /!\
|
|
req.Close = true
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cn := resp.TLS.PeerCertificates[0].Subject.CommonName
|
|
if cn == tr2.TLSClientConfig.ServerName {
|
|
return fmt.Errorf("domain %s found in place of default one", tr2.TLSClientConfig.ServerName)
|
|
}
|
|
|
|
return nil
|
|
})
|
|
c.Assert(err, checker.IsNil)
|
|
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
|
|
}
|
|
|
|
// modifyCertificateConfFileContent replaces the content of a HTTPS configuration file.
|
|
func modifyCertificateConfFileContent(c *check.C, certFileName, confFileName string) {
|
|
tlsConf := types.Configuration{
|
|
TLSConfiguration: []*traefikTls.Configuration{
|
|
{
|
|
Certificate: &traefikTls.Certificate{
|
|
CertFile: traefikTls.FileOrContent("fixtures/https/" + certFileName + ".cert"),
|
|
KeyFile: traefikTls.FileOrContent("fixtures/https/" + certFileName + ".key"),
|
|
},
|
|
EntryPoints: []string{"https"},
|
|
},
|
|
},
|
|
}
|
|
var confBuffer bytes.Buffer
|
|
e := toml.NewEncoder(&confBuffer)
|
|
err := e.Encode(tlsConf)
|
|
c.Assert(err, checker.IsNil)
|
|
|
|
f, err := os.OpenFile("./"+confFileName, os.O_WRONLY, os.ModeExclusive)
|
|
c.Assert(err, checker.IsNil)
|
|
defer func() {
|
|
f.Close()
|
|
}()
|
|
f.Truncate(0)
|
|
_, err = f.Write(confBuffer.Bytes())
|
|
c.Assert(err, checker.IsNil)
|
|
}
|