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conn_test.go
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conn_test.go
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package dtls
import (
"bytes"
"context"
"crypto/rand"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"io"
"net"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/pchaseh/go-dtls/v2/internal/ciphersuite"
"github.com/pchaseh/go-dtls/v2/internal/net/dpipe"
"github.com/pchaseh/go-dtls/v2/pkg/crypto/elliptic"
"github.com/pchaseh/go-dtls/v2/pkg/crypto/hash"
"github.com/pchaseh/go-dtls/v2/pkg/crypto/selfsign"
"github.com/pchaseh/go-dtls/v2/pkg/crypto/signature"
"github.com/pchaseh/go-dtls/v2/pkg/crypto/signaturehash"
"github.com/pchaseh/go-dtls/v2/pkg/protocol"
"github.com/pchaseh/go-dtls/v2/pkg/protocol/alert"
"github.com/pchaseh/go-dtls/v2/pkg/protocol/extension"
"github.com/pchaseh/go-dtls/v2/pkg/protocol/handshake"
"github.com/pchaseh/go-dtls/v2/pkg/protocol/recordlayer"
"github.com/pion/transport/test"
)
var (
errTestPSKInvalidIdentity = errors.New("TestPSK: Server got invalid identity")
errPSKRejected = errors.New("PSK Rejected")
errNotExpectedChain = errors.New("not expected chain")
errExpecedChain = errors.New("expected chain")
errWrongCert = errors.New("wrong cert")
)
func TestStressDuplex(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(time.Second * 20)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
// Run the test
stressDuplex(t)
}
func stressDuplex(t *testing.T) {
ca, cb, err := pipeMemory()
if err != nil {
t.Fatal(err)
}
defer func() {
err = ca.Close()
if err != nil {
t.Fatal(err)
}
err = cb.Close()
if err != nil {
t.Fatal(err)
}
}()
opt := test.Options{
MsgSize: 2048,
MsgCount: 100,
}
err = test.StressDuplex(ca, cb, opt)
if err != nil {
t.Fatal(err)
}
}
func TestRoutineLeakOnClose(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(5 * time.Second)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
ca, cb, err := pipeMemory()
if err != nil {
t.Fatal(err)
}
if _, err := ca.Write(make([]byte, 100)); err != nil {
t.Fatal(err)
}
if err := cb.Close(); err != nil {
t.Fatal(err)
}
if err := ca.Close(); err != nil {
t.Fatal(err)
}
// Packet is sent, but not read.
// inboundLoop routine should not be leaked.
}
func TestReadWriteDeadline(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(5 * time.Second)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
ca, cb, err := pipeMemory()
if err != nil {
t.Fatal(err)
}
if err := ca.SetDeadline(time.Unix(0, 1)); err != nil {
t.Fatal(err)
}
_, werr := ca.Write(make([]byte, 100))
if e, ok := werr.(net.Error); ok {
if !e.Timeout() {
t.Error("Deadline exceeded Write must return Timeout error")
}
if !e.Temporary() {
t.Error("Deadline exceeded Write must return Temporary error")
}
} else {
t.Error("Write must return net.Error error")
}
_, rerr := ca.Read(make([]byte, 100))
if e, ok := rerr.(net.Error); ok {
if !e.Timeout() {
t.Error("Deadline exceeded Read must return Timeout error")
}
if !e.Temporary() {
t.Error("Deadline exceeded Read must return Temporary error")
}
} else {
t.Error("Read must return net.Error error")
}
if err := ca.SetDeadline(time.Time{}); err != nil {
t.Error(err)
}
if err := ca.Close(); err != nil {
t.Error(err)
}
if err := cb.Close(); err != nil {
t.Error(err)
}
if _, err := ca.Write(make([]byte, 100)); !errors.Is(err, ErrConnClosed) {
t.Errorf("Write must return %v after close, got %v", ErrConnClosed, err)
}
if _, err := ca.Read(make([]byte, 100)); !errors.Is(err, io.EOF) {
t.Errorf("Read must return %v after close, got %v", io.EOF, err)
}
}
func TestSequenceNumberOverflow(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(5 * time.Second)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
t.Run("ApplicationData", func(t *testing.T) {
ca, cb, err := pipeMemory()
if err != nil {
t.Fatal(err)
}
atomic.StoreUint64(&ca.state.localSequenceNumber[1], recordlayer.MaxSequenceNumber)
if _, werr := ca.Write(make([]byte, 100)); werr != nil {
t.Errorf("Write must send message with maximum sequence number, but errord: %v", werr)
}
if _, werr := ca.Write(make([]byte, 100)); !errors.Is(werr, errSequenceNumberOverflow) {
t.Errorf("Write must abandonsend message with maximum sequence number, but errord: %v", werr)
}
if err := ca.Close(); err != nil {
t.Error(err)
}
if err := cb.Close(); err != nil {
t.Error(err)
}
})
t.Run("Handshake", func(t *testing.T) {
ca, cb, err := pipeMemory()
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
atomic.StoreUint64(&ca.state.localSequenceNumber[0], recordlayer.MaxSequenceNumber+1)
// Try to send handshake packet.
if werr := ca.writePackets(ctx, []*packet{
{
record: &recordlayer.RecordLayer{
Header: recordlayer.Header{
Version: protocol.Version1_2,
},
Content: &handshake.Handshake{
Message: &handshake.MessageClientHello{
Version: protocol.Version1_2,
Cookie: make([]byte, 64),
CipherSuiteIDs: cipherSuiteIDs(defaultCipherSuites()),
CompressionMethods: defaultCompressionMethods(),
},
},
},
},
}); !errors.Is(werr, errSequenceNumberOverflow) {
t.Errorf("Connection must fail on handshake packet reaches maximum sequence number")
}
if err := ca.Close(); err != nil {
t.Error(err)
}
if err := cb.Close(); err != nil {
t.Error(err)
}
})
}
func pipeMemory() (*Conn, *Conn, error) {
// In memory pipe
ca, cb := dpipe.Pipe()
return pipeConn(ca, cb)
}
func pipeConn(ca, cb net.Conn) (*Conn, *Conn, error) {
type result struct {
c *Conn
err error
}
c := make(chan result)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
// Setup client
go func() {
client, err := testClient(ctx, ca, &Config{SRTPProtectionProfiles: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80}}, true)
c <- result{client, err}
}()
// Setup server
server, err := testServer(ctx, cb, &Config{SRTPProtectionProfiles: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80}}, true)
if err != nil {
return nil, nil, err
}
// Receive client
res := <-c
if res.err != nil {
return nil, nil, res.err
}
return res.c, server, nil
}
func testClient(ctx context.Context, c net.Conn, cfg *Config, generateCertificate bool) (*Conn, error) {
if generateCertificate {
clientCert, err := selfsign.GenerateSelfSigned()
if err != nil {
return nil, err
}
cfg.Certificates = []tls.Certificate{clientCert}
}
cfg.InsecureSkipVerify = true
return ClientWithContext(ctx, c, cfg)
}
func testServer(ctx context.Context, c net.Conn, cfg *Config, generateCertificate bool) (*Conn, error) {
if generateCertificate {
serverCert, err := selfsign.GenerateSelfSigned()
if err != nil {
return nil, err
}
cfg.Certificates = []tls.Certificate{serverCert}
}
return ServerWithContext(ctx, c, cfg)
}
func TestHandshakeWithAlert(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(time.Second * 20)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
cases := map[string]struct {
configServer, configClient *Config
errServer, errClient error
}{
"CipherSuiteNoIntersection": {
configServer: &Config{
CipherSuites: []CipherSuiteID{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
},
configClient: &Config{
CipherSuites: []CipherSuiteID{TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
},
errServer: errCipherSuiteNoIntersection,
errClient: &errAlert{&alert.Alert{Level: alert.Fatal, Description: alert.InsufficientSecurity}},
},
"SignatureSchemesNoIntersection": {
configServer: &Config{
CipherSuites: []CipherSuiteID{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
SignatureSchemes: []tls.SignatureScheme{tls.ECDSAWithP256AndSHA256},
},
configClient: &Config{
CipherSuites: []CipherSuiteID{TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
SignatureSchemes: []tls.SignatureScheme{tls.ECDSAWithP521AndSHA512},
},
errServer: &errAlert{&alert.Alert{Level: alert.Fatal, Description: alert.InsufficientSecurity}},
errClient: errNoAvailableSignatureSchemes,
},
}
for name, testCase := range cases {
testCase := testCase
t.Run(name, func(t *testing.T) {
clientErr := make(chan error, 1)
ca, cb := dpipe.Pipe()
go func() {
_, err := testClient(ctx, ca, testCase.configClient, true)
clientErr <- err
}()
_, errServer := testServer(ctx, cb, testCase.configServer, true)
if !errors.Is(errServer, testCase.errServer) {
t.Fatalf("Server error exp(%v) failed(%v)", testCase.errServer, errServer)
}
errClient := <-clientErr
if !errors.Is(errClient, testCase.errClient) {
t.Fatalf("Client error exp(%v) failed(%v)", testCase.errClient, errClient)
}
})
}
}
func TestExportKeyingMaterial(t *testing.T) {
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
var rand [28]byte
exportLabel := "EXTRACTOR-dtls_srtp"
expectedServerKey := []byte{0x61, 0x09, 0x9d, 0x7d, 0xcb, 0x08, 0x52, 0x2c, 0xe7, 0x7b}
expectedClientKey := []byte{0x87, 0xf0, 0x40, 0x02, 0xf6, 0x1c, 0xf1, 0xfe, 0x8c, 0x77}
c := &Conn{
state: State{
localRandom: handshake.Random{GMTUnixTime: time.Unix(500, 0), RandomBytes: rand},
remoteRandom: handshake.Random{GMTUnixTime: time.Unix(1000, 0), RandomBytes: rand},
localSequenceNumber: []uint64{0, 0},
cipherSuite: &ciphersuite.TLSEcdheEcdsaWithAes128GcmSha256{},
},
}
c.setLocalEpoch(0)
c.setRemoteEpoch(0)
state := c.ConnectionState()
_, err := state.ExportKeyingMaterial(exportLabel, nil, 0)
if !errors.Is(err, errHandshakeInProgress) {
t.Errorf("ExportKeyingMaterial when epoch == 0: expected '%s' actual '%s'", errHandshakeInProgress, err)
}
c.setLocalEpoch(1)
state = c.ConnectionState()
_, err = state.ExportKeyingMaterial(exportLabel, []byte{0x00}, 0)
if !errors.Is(err, errContextUnsupported) {
t.Errorf("ExportKeyingMaterial with context: expected '%s' actual '%s'", errContextUnsupported, err)
}
for k := range invalidKeyingLabels() {
state = c.ConnectionState()
_, err = state.ExportKeyingMaterial(k, nil, 0)
if !errors.Is(err, errReservedExportKeyingMaterial) {
t.Errorf("ExportKeyingMaterial reserved label: expected '%s' actual '%s'", errReservedExportKeyingMaterial, err)
}
}
state = c.ConnectionState()
keyingMaterial, err := state.ExportKeyingMaterial(exportLabel, nil, 10)
if err != nil {
t.Errorf("ExportKeyingMaterial as server: unexpected error '%s'", err)
} else if !bytes.Equal(keyingMaterial, expectedServerKey) {
t.Errorf("ExportKeyingMaterial client export: expected (% 02x) actual (% 02x)", expectedServerKey, keyingMaterial)
}
c.state.isClient = true
state = c.ConnectionState()
keyingMaterial, err = state.ExportKeyingMaterial(exportLabel, nil, 10)
if err != nil {
t.Errorf("ExportKeyingMaterial as server: unexpected error '%s'", err)
} else if !bytes.Equal(keyingMaterial, expectedClientKey) {
t.Errorf("ExportKeyingMaterial client export: expected (% 02x) actual (% 02x)", expectedClientKey, keyingMaterial)
}
}
func TestPSK(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(time.Second * 20)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
for _, test := range []struct {
Name string
ServerIdentity []byte
CipherSuites []CipherSuiteID
}{
{
Name: "Server identity specified",
ServerIdentity: []byte("Test Identity"),
CipherSuites: []CipherSuiteID{TLS_PSK_WITH_AES_128_CCM_8},
},
{
Name: "Server identity nil",
ServerIdentity: nil,
CipherSuites: []CipherSuiteID{TLS_PSK_WITH_AES_128_CCM_8},
},
{
Name: "TLS_PSK_WITH_AES_128_CBC_SHA256",
ServerIdentity: nil,
CipherSuites: []CipherSuiteID{TLS_PSK_WITH_AES_128_CBC_SHA256},
},
} {
test := test
t.Run(test.Name, func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
clientIdentity := []byte("Client Identity")
type result struct {
c *Conn
err error
}
clientRes := make(chan result, 1)
ca, cb := dpipe.Pipe()
go func() {
conf := &Config{
PSK: func(hint []byte) ([]byte, error) {
if !bytes.Equal(test.ServerIdentity, hint) { // nolint
return nil, fmt.Errorf("TestPSK: Client got invalid identity expected(% 02x) actual(% 02x)", test.ServerIdentity, hint) // nolint
}
return []byte{0xAB, 0xC1, 0x23}, nil
},
PSKIdentityHint: clientIdentity,
CipherSuites: test.CipherSuites,
}
c, err := testClient(ctx, ca, conf, false)
clientRes <- result{c, err}
}()
config := &Config{
PSK: func(hint []byte) ([]byte, error) {
if !bytes.Equal(clientIdentity, hint) {
return nil, fmt.Errorf("%w: expected(% 02x) actual(% 02x)", errTestPSKInvalidIdentity, clientIdentity, hint)
}
return []byte{0xAB, 0xC1, 0x23}, nil
},
PSKIdentityHint: test.ServerIdentity,
CipherSuites: test.CipherSuites,
}
server, err := testServer(ctx, cb, config, false)
if err != nil {
t.Fatalf("TestPSK: Server failed(%v)", err)
}
actualPSKIdentityHint := server.ConnectionState().IdentityHint
if !bytes.Equal(actualPSKIdentityHint, clientIdentity) {
t.Errorf("TestPSK: Server ClientPSKIdentity Mismatch '%s': expected(%v) actual(%v)", test.Name, clientIdentity, actualPSKIdentityHint)
}
defer func() {
_ = server.Close()
}()
res := <-clientRes
if res.err != nil {
t.Fatal(res.err)
}
_ = res.c.Close()
})
}
}
func TestPSKHintFail(t *testing.T) {
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
serverAlertError := &errAlert{&alert.Alert{Level: alert.Fatal, Description: alert.InternalError}}
pskRejected := errPSKRejected
// Limit runtime in case of deadlocks
lim := test.TimeOut(time.Second * 20)
defer lim.Stop()
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
clientErr := make(chan error, 1)
ca, cb := dpipe.Pipe()
go func() {
conf := &Config{
PSK: func(hint []byte) ([]byte, error) {
return nil, pskRejected
},
PSKIdentityHint: []byte{},
CipherSuites: []CipherSuiteID{TLS_PSK_WITH_AES_128_CCM_8},
}
_, err := testClient(ctx, ca, conf, false)
clientErr <- err
}()
config := &Config{
PSK: func(hint []byte) ([]byte, error) {
return nil, pskRejected
},
PSKIdentityHint: []byte{},
CipherSuites: []CipherSuiteID{TLS_PSK_WITH_AES_128_CCM_8},
}
if _, err := testServer(ctx, cb, config, false); !errors.Is(err, serverAlertError) {
t.Fatalf("TestPSK: Server error exp(%v) failed(%v)", serverAlertError, err)
}
if err := <-clientErr; !errors.Is(err, pskRejected) {
t.Fatalf("TestPSK: Client error exp(%v) failed(%v)", pskRejected, err)
}
}
func TestClientTimeout(t *testing.T) {
// Limit runtime in case of deadlocks
lim := test.TimeOut(time.Second * 20)
defer lim.Stop()
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
clientErr := make(chan error, 1)
ca, _ := dpipe.Pipe()
go func() {
conf := &Config{}
c, err := testClient(ctx, ca, conf, true)
if err == nil {
_ = c.Close()
}
clientErr <- err
}()
// no server!
err := <-clientErr
if netErr, ok := err.(net.Error); !ok || !netErr.Timeout() {
t.Fatalf("Client error exp(Temporary network error) failed(%v)", err)
}
}
func TestSRTPConfiguration(t *testing.T) {
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
for _, test := range []struct {
Name string
ClientSRTP []SRTPProtectionProfile
ServerSRTP []SRTPProtectionProfile
ExpectedProfile SRTPProtectionProfile
WantClientError error
WantServerError error
}{
{
Name: "No SRTP in use",
ClientSRTP: nil,
ServerSRTP: nil,
ExpectedProfile: 0,
WantClientError: nil,
WantServerError: nil,
},
{
Name: "SRTP both ends",
ClientSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80},
ServerSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80},
ExpectedProfile: SRTP_AES128_CM_HMAC_SHA1_80,
WantClientError: nil,
WantServerError: nil,
},
{
Name: "SRTP client only",
ClientSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80},
ServerSRTP: nil,
ExpectedProfile: 0,
WantClientError: &errAlert{&alert.Alert{Level: alert.Fatal, Description: alert.InsufficientSecurity}},
WantServerError: errServerNoMatchingSRTPProfile,
},
{
Name: "SRTP server only",
ClientSRTP: nil,
ServerSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80},
ExpectedProfile: 0,
WantClientError: nil,
WantServerError: nil,
},
{
Name: "Multiple Suites",
ClientSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80, SRTP_AES128_CM_HMAC_SHA1_32},
ServerSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80, SRTP_AES128_CM_HMAC_SHA1_32},
ExpectedProfile: SRTP_AES128_CM_HMAC_SHA1_80,
WantClientError: nil,
WantServerError: nil,
},
{
Name: "Multiple Suites, Client Chooses",
ClientSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_80, SRTP_AES128_CM_HMAC_SHA1_32},
ServerSRTP: []SRTPProtectionProfile{SRTP_AES128_CM_HMAC_SHA1_32, SRTP_AES128_CM_HMAC_SHA1_80},
ExpectedProfile: SRTP_AES128_CM_HMAC_SHA1_80,
WantClientError: nil,
WantServerError: nil,
},
} {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
ca, cb := dpipe.Pipe()
type result struct {
c *Conn
err error
}
c := make(chan result)
go func() {
client, err := testClient(ctx, ca, &Config{SRTPProtectionProfiles: test.ClientSRTP}, true)
c <- result{client, err}
}()
server, err := testServer(ctx, cb, &Config{SRTPProtectionProfiles: test.ServerSRTP}, true)
if !errors.Is(err, test.WantServerError) {
t.Errorf("TestSRTPConfiguration: Server Error Mismatch '%s': expected(%v) actual(%v)", test.Name, test.WantServerError, err)
}
if err == nil {
defer func() {
_ = server.Close()
}()
}
res := <-c
if res.err == nil {
defer func() {
_ = res.c.Close()
}()
}
if !errors.Is(res.err, test.WantClientError) {
t.Fatalf("TestSRTPConfiguration: Client Error Mismatch '%s': expected(%v) actual(%v)", test.Name, test.WantClientError, res.err)
}
if res.c == nil {
return
}
actualClientSRTP, _ := res.c.SelectedSRTPProtectionProfile()
if actualClientSRTP != test.ExpectedProfile {
t.Errorf("TestSRTPConfiguration: Client SRTPProtectionProfile Mismatch '%s': expected(%v) actual(%v)", test.Name, test.ExpectedProfile, actualClientSRTP)
}
actualServerSRTP, _ := server.SelectedSRTPProtectionProfile()
if actualServerSRTP != test.ExpectedProfile {
t.Errorf("TestSRTPConfiguration: Server SRTPProtectionProfile Mismatch '%s': expected(%v) actual(%v)", test.Name, test.ExpectedProfile, actualServerSRTP)
}
}
}
func TestClientCertificate(t *testing.T) {
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
srvCert, err := selfsign.GenerateSelfSigned()
if err != nil {
t.Fatal(err)
}
srvCAPool := x509.NewCertPool()
srvCertificate, err := x509.ParseCertificate(srvCert.Certificate[0])
if err != nil {
t.Fatal(err)
}
srvCAPool.AddCert(srvCertificate)
cert, err := selfsign.GenerateSelfSigned()
if err != nil {
t.Fatal(err)
}
certificate, err := x509.ParseCertificate(cert.Certificate[0])
if err != nil {
t.Fatal(err)
}
caPool := x509.NewCertPool()
caPool.AddCert(certificate)
t.Run("parallel", func(t *testing.T) { // sync routines to check routine leak
tests := map[string]struct {
clientCfg *Config
serverCfg *Config
wantErr bool
}{
"NoClientCert": {
clientCfg: &Config{RootCAs: srvCAPool},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: NoClientCert,
ClientCAs: caPool,
},
},
"NoClientCert_cert": {
clientCfg: &Config{RootCAs: srvCAPool, Certificates: []tls.Certificate{cert}},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: RequireAnyClientCert,
},
},
"RequestClientCert_cert": {
clientCfg: &Config{RootCAs: srvCAPool, Certificates: []tls.Certificate{cert}},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: RequestClientCert,
},
},
"RequestClientCert_no_cert": {
clientCfg: &Config{RootCAs: srvCAPool},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: RequestClientCert,
ClientCAs: caPool,
},
},
"RequireAnyClientCert": {
clientCfg: &Config{RootCAs: srvCAPool, Certificates: []tls.Certificate{cert}},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: RequireAnyClientCert,
},
},
"RequireAnyClientCert_error": {
clientCfg: &Config{RootCAs: srvCAPool},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: RequireAnyClientCert,
},
wantErr: true,
},
"VerifyClientCertIfGiven_no_cert": {
clientCfg: &Config{RootCAs: srvCAPool},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: VerifyClientCertIfGiven,
ClientCAs: caPool,
},
},
"VerifyClientCertIfGiven_cert": {
clientCfg: &Config{RootCAs: srvCAPool, Certificates: []tls.Certificate{cert}},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: VerifyClientCertIfGiven,
ClientCAs: caPool,
},
},
"VerifyClientCertIfGiven_error": {
clientCfg: &Config{RootCAs: srvCAPool, Certificates: []tls.Certificate{cert}},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: VerifyClientCertIfGiven,
},
wantErr: true,
},
"RequireAndVerifyClientCert": {
clientCfg: &Config{RootCAs: srvCAPool, Certificates: []tls.Certificate{cert}},
serverCfg: &Config{
Certificates: []tls.Certificate{srvCert},
ClientAuth: RequireAndVerifyClientCert,
ClientCAs: caPool,
},
},
}
for name, tt := range tests {
tt := tt
t.Run(name, func(t *testing.T) {
t.Parallel()
ca, cb := dpipe.Pipe()
type result struct {
c *Conn
err error
}
c := make(chan result)
go func() {
client, err := Client(ca, tt.clientCfg)
c <- result{client, err}
}()
server, err := Server(cb, tt.serverCfg)
res := <-c
defer func() {
if err == nil {
_ = server.Close()
}
if res.err == nil {
_ = res.c.Close()
}
}()
if tt.wantErr {
if err != nil {
// Error expected, test succeeded
return
}
t.Error("Error expected")
}
if err != nil {
t.Errorf("Server failed(%v)", err)
}
if res.err != nil {
t.Errorf("Client failed(%v)", res.err)
}
actualClientCert := server.ConnectionState().PeerCertificates
if tt.serverCfg.ClientAuth == RequireAnyClientCert || tt.serverCfg.ClientAuth == RequireAndVerifyClientCert {
if actualClientCert == nil {
t.Errorf("Client did not provide a certificate")
}
if len(actualClientCert) != len(tt.clientCfg.Certificates[0].Certificate) || !bytes.Equal(tt.clientCfg.Certificates[0].Certificate[0], actualClientCert[0]) {
t.Errorf("Client certificate was not communicated correctly")
}
}
if tt.serverCfg.ClientAuth == NoClientCert {
if actualClientCert != nil {
t.Errorf("Client certificate wasn't expected")
}
}
actualServerCert := res.c.ConnectionState().PeerCertificates
if actualServerCert == nil {
t.Errorf("Server did not provide a certificate")
}
if len(actualServerCert) != len(tt.serverCfg.Certificates[0].Certificate) || !bytes.Equal(tt.serverCfg.Certificates[0].Certificate[0], actualServerCert[0]) {
t.Errorf("Server certificate was not communicated correctly")
}
})
}
})
}
func TestExtendedMasterSecret(t *testing.T) {
// Check for leaking routines
report := test.CheckRoutines(t)
defer report()
tests := map[string]struct {
clientCfg *Config
serverCfg *Config
expectedClientErr error
expectedServerErr error
}{
"Request_Request_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: RequestExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: RequestExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
"Request_Require_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: RequestExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: RequireExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
"Request_Disable_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: RequestExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: DisableExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
"Require_Request_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: RequireExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: RequestExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
"Require_Require_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: RequireExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: RequireExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
"Require_Disable_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: RequireExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: DisableExtendedMasterSecret,
},
expectedClientErr: errClientRequiredButNoServerEMS,
expectedServerErr: &errAlert{&alert.Alert{Level: alert.Fatal, Description: alert.InsufficientSecurity}},
},
"Disable_Request_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: DisableExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: RequestExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
"Disable_Require_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: DisableExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: RequireExtendedMasterSecret,
},
expectedClientErr: &errAlert{&alert.Alert{Level: alert.Fatal, Description: alert.InsufficientSecurity}},
expectedServerErr: errServerRequiredButNoClientEMS,
},
"Disable_Disable_ExtendedMasterSecret": {
clientCfg: &Config{
ExtendedMasterSecret: DisableExtendedMasterSecret,
},
serverCfg: &Config{
ExtendedMasterSecret: DisableExtendedMasterSecret,
},
expectedClientErr: nil,
expectedServerErr: nil,
},
}
for name, tt := range tests {
tt := tt
t.Run(name, func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
ca, cb := dpipe.Pipe()
type result struct {