vitess.io/vitess@v0.16.2/go/mysql/auth_server_clientcert_test.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package mysql
    18  
    19  import (
    20  	"context"
    21  	"crypto/tls"
    22  	"net"
    23  	"path"
    24  	"reflect"
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  	"github.com/stretchr/testify/require"
    29  
    30  	"vitess.io/vitess/go/vt/tlstest"
    31  	"vitess.io/vitess/go/vt/vttls"
    32  )
    33  
    34  const clientCertUsername = "Client Cert"
    35  
    36  func init() {
    37  	// These tests do not invoke the servenv.Parse codepaths, so this default
    38  	// does not get set by the OnParseFor hook.
    39  	clientcertAuthMethod = string(MysqlClearPassword)
    40  }
    41  
    42  func TestValidCert(t *testing.T) {
    43  	th := &testHandler{}
    44  
    45  	authServer := newAuthServerClientCert()
    46  
    47  	// Create the listener, so we can get its host.
    48  	l, err := NewListener("tcp", "127.0.0.1:", authServer, th, 0, 0, false, false)
    49  	require.NoError(t, err, "NewListener failed: %v", err)
    50  	defer l.Close()
    51  	host := l.Addr().(*net.TCPAddr).IP.String()
    52  	port := l.Addr().(*net.TCPAddr).Port
    53  
    54  	// Create the certs.
    55  	root := t.TempDir()
    56  	tlstest.CreateCA(root)
    57  	tlstest.CreateSignedCert(root, tlstest.CA, "01", "server", "server.example.com")
    58  	tlstest.CreateSignedCert(root, tlstest.CA, "02", "client", clientCertUsername)
    59  	tlstest.CreateCRL(root, tlstest.CA)
    60  
    61  	// Create the server with TLS config.
    62  	serverConfig, err := vttls.ServerConfig(
    63  		path.Join(root, "server-cert.pem"),
    64  		path.Join(root, "server-key.pem"),
    65  		path.Join(root, "ca-cert.pem"),
    66  		path.Join(root, "ca-crl.pem"),
    67  		"",
    68  		tls.VersionTLS12)
    69  	require.NoError(t, err, "TLSServerConfig failed: %v", err)
    70  
    71  	l.TLSConfig.Store(serverConfig)
    72  	go func() {
    73  		l.Accept()
    74  	}()
    75  
    76  	// Setup the right parameters.
    77  	params := &ConnParams{
    78  		Host:  host,
    79  		Port:  port,
    80  		Uname: clientCertUsername,
    81  		Pass:  "",
    82  		// SSL flags.
    83  		SslMode:    vttls.VerifyIdentity,
    84  		SslCa:      path.Join(root, "ca-cert.pem"),
    85  		SslCert:    path.Join(root, "client-cert.pem"),
    86  		SslKey:     path.Join(root, "client-key.pem"),
    87  		ServerName: "server.example.com",
    88  	}
    89  
    90  	ctx := context.Background()
    91  	conn, err := Connect(ctx, params)
    92  	require.NoError(t, err, "Connect failed: %v", err)
    93  
    94  	defer conn.Close()
    95  
    96  	// Make sure this went through SSL.
    97  	result, err := conn.ExecuteFetch("ssl echo", 10000, true)
    98  	require.NoError(t, err, "ExecuteFetch failed: %v", err)
    99  	assert.Equal(t, "ON", result.Rows[0][0].ToString(), "Got wrong result from ExecuteFetch(ssl echo): %v", result)
   100  
   101  	userData := th.LastConn().UserData.Get()
   102  	assert.Equal(t, clientCertUsername, userData.Username, "userdata username is %v, expected %v", userData.Username, clientCertUsername)
   103  
   104  	expectedGroups := []string{"localhost", clientCertUsername}
   105  	assert.True(t, reflect.DeepEqual(userData.Groups, expectedGroups), "userdata groups is %v, expected %v", userData.Groups, expectedGroups)
   106  
   107  	// Send a ComQuit to avoid the error message on the server side.
   108  	conn.writeComQuit()
   109  }
   110  
   111  func TestNoCert(t *testing.T) {
   112  	th := &testHandler{}
   113  
   114  	authServer := newAuthServerClientCert()
   115  
   116  	// Create the listener, so we can get its host.
   117  	l, err := NewListener("tcp", "127.0.0.1:", authServer, th, 0, 0, false, false)
   118  	require.NoError(t, err, "NewListener failed: %v", err)
   119  	defer l.Close()
   120  	host := l.Addr().(*net.TCPAddr).IP.String()
   121  	port := l.Addr().(*net.TCPAddr).Port
   122  
   123  	// Create the certs.
   124  	root := t.TempDir()
   125  	tlstest.CreateCA(root)
   126  	tlstest.CreateSignedCert(root, tlstest.CA, "01", "server", "server.example.com")
   127  	tlstest.CreateCRL(root, tlstest.CA)
   128  
   129  	// Create the server with TLS config.
   130  	serverConfig, err := vttls.ServerConfig(
   131  		path.Join(root, "server-cert.pem"),
   132  		path.Join(root, "server-key.pem"),
   133  		path.Join(root, "ca-cert.pem"),
   134  		path.Join(root, "ca-crl.pem"),
   135  		"",
   136  		tls.VersionTLS12)
   137  	require.NoError(t, err, "TLSServerConfig failed: %v", err)
   138  
   139  	l.TLSConfig.Store(serverConfig)
   140  	go func() {
   141  		l.Accept()
   142  	}()
   143  
   144  	// Setup the right parameters.
   145  	params := &ConnParams{
   146  		Host:       host,
   147  		Port:       port,
   148  		Uname:      "user1",
   149  		Pass:       "",
   150  		SslMode:    vttls.VerifyIdentity,
   151  		SslCa:      path.Join(root, "ca-cert.pem"),
   152  		ServerName: "server.example.com",
   153  	}
   154  
   155  	ctx := context.Background()
   156  	conn, err := Connect(ctx, params)
   157  	assert.Error(t, err, "Connect() should have errored due to no client cert")
   158  
   159  	if conn != nil {
   160  		conn.Close()
   161  	}
   162  }