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fix: do not require a TLS client cert when InsecureSkipVerify is false

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Co-authored-by: Tom Moulard <tom.moulard@traefik.io>
This commit is contained in:
Kevin Pollet 2021-10-26 10:54:11 +02:00 committed by GitHub
parent 566b205758
commit d3ff0c2cd4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
21 changed files with 273 additions and 184 deletions
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4
docs/content/reference/dynamic-configuration/traefik.containo.us_middlewares.yaml
View file

@ -398,7 +398,7 @@ spec:
info configuration.
properties:
issuer:
description: TLSCLientCertificateDNInfo holds the client TLS
description: TLSClientCertificateDNInfo holds the client TLS
certificate distinguished name info configuration. cf https://tools.ietf.org/html/rfc3739
properties:
commonName:
@ -425,7 +425,7 @@ spec:
serialNumber:
type: boolean
subject:
description: TLSCLientCertificateDNInfo holds the client TLS
description: TLSClientCertificateDNInfo holds the client TLS
certificate distinguished name info configuration. cf https://tools.ietf.org/html/rfc3739
properties:
commonName:

4
integration/fixtures/k8s/01-traefik-crd.yml
View file

@ -840,7 +840,7 @@ spec:
info configuration.
properties:
issuer:
description: TLSCLientCertificateDNInfo holds the client TLS
description: TLSClientCertificateDNInfo holds the client TLS
certificate distinguished name info configuration. cf https://tools.ietf.org/html/rfc3739
properties:
commonName:
@ -867,7 +867,7 @@ spec:
serialNumber:
type: boolean
subject:
description: TLSCLientCertificateDNInfo holds the client TLS
description: TLSClientCertificateDNInfo holds the client TLS
certificate distinguished name info configuration. cf https://tools.ietf.org/html/rfc3739
properties:
commonName:

6
pkg/anonymize/anonymize_config_test.go
View file

@ -273,7 +273,7 @@ func TestDo_dynamicConfiguration(t *testing.T) {
},
ForwardAuth: &dynamic.ForwardAuth{
Address: "127.0.0.1",
TLS: &dynamic.ClientTLS{
TLS: &types.ClientTLS{
CA: "ca.pem",
CAOptional: true,
Cert: "cert.pem",
@ -315,7 +315,7 @@ func TestDo_dynamicConfiguration(t *testing.T) {
NotAfter: true,
NotBefore: true,
Sans: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -324,7 +324,7 @@ func TestDo_dynamicConfiguration(t *testing.T) {
SerialNumber: true,
DomainComponent: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,

105
pkg/config/dynamic/middlewares.go
View file

@ -1,14 +1,11 @@
package dynamic
import (
"crypto/tls"
"crypto/x509"
"fmt"
"os"
"time"
ptypes "github.com/traefik/paerser/types"
"github.com/traefik/traefik/v2/pkg/ip"
"github.com/traefik/traefik/v2/pkg/types"
)
// +k8s:deepcopy-gen=true
@ -130,12 +127,12 @@ type ErrorPage struct {
// ForwardAuth holds the http forward authentication configuration.
type ForwardAuth struct {
Address string `json:"address,omitempty" toml:"address,omitempty" yaml:"address,omitempty"`
TLS *ClientTLS `json:"tls,omitempty" toml:"tls,omitempty" yaml:"tls,omitempty" export:"true"`
TrustForwardHeader bool `json:"trustForwardHeader,omitempty" toml:"trustForwardHeader,omitempty" yaml:"trustForwardHeader,omitempty" export:"true"`
AuthResponseHeaders []string `json:"authResponseHeaders,omitempty" toml:"authResponseHeaders,omitempty" yaml:"authResponseHeaders,omitempty" export:"true"`
AuthResponseHeadersRegex string `json:"authResponseHeadersRegex,omitempty" toml:"authResponseHeadersRegex,omitempty" yaml:"authResponseHeadersRegex,omitempty" export:"true"`
AuthRequestHeaders []string `json:"authRequestHeaders,omitempty" toml:"authRequestHeaders,omitempty" yaml:"authRequestHeaders,omitempty" export:"true"`
Address string `json:"address,omitempty" toml:"address,omitempty" yaml:"address,omitempty"`
TLS *types.ClientTLS `json:"tls,omitempty" toml:"tls,omitempty" yaml:"tls,omitempty" export:"true"`
TrustForwardHeader bool `json:"trustForwardHeader,omitempty" toml:"trustForwardHeader,omitempty" yaml:"trustForwardHeader,omitempty" export:"true"`
AuthResponseHeaders []string `json:"authResponseHeaders,omitempty" toml:"authResponseHeaders,omitempty" yaml:"authResponseHeaders,omitempty" export:"true"`
AuthResponseHeadersRegex string `json:"authResponseHeadersRegex,omitempty" toml:"authResponseHeadersRegex,omitempty" yaml:"authResponseHeadersRegex,omitempty" export:"true"`
AuthRequestHeaders []string `json:"authRequestHeaders,omitempty" toml:"authRequestHeaders,omitempty" yaml:"authRequestHeaders,omitempty" export:"true"`
}
// +k8s:deepcopy-gen=true
@ -402,16 +399,16 @@ type TLSClientCertificateInfo struct {
NotAfter bool `json:"notAfter,omitempty" toml:"notAfter,omitempty" yaml:"notAfter,omitempty" export:"true"`
NotBefore bool `json:"notBefore,omitempty" toml:"notBefore,omitempty" yaml:"notBefore,omitempty" export:"true"`
Sans bool `json:"sans,omitempty" toml:"sans,omitempty" yaml:"sans,omitempty" export:"true"`
Subject *TLSCLientCertificateDNInfo `json:"subject,omitempty" toml:"subject,omitempty" yaml:"subject,omitempty" export:"true"`
Issuer *TLSCLientCertificateDNInfo `json:"issuer,omitempty" toml:"issuer,omitempty" yaml:"issuer,omitempty" export:"true"`
Subject *TLSClientCertificateDNInfo `json:"subject,omitempty" toml:"subject,omitempty" yaml:"subject,omitempty" export:"true"`
Issuer *TLSClientCertificateDNInfo `json:"issuer,omitempty" toml:"issuer,omitempty" yaml:"issuer,omitempty" export:"true"`
SerialNumber bool `json:"serialNumber,omitempty" toml:"serialNumber,omitempty" yaml:"serialNumber,omitempty" export:"true"`
}
// +k8s:deepcopy-gen=true
// TLSCLientCertificateDNInfo holds the client TLS certificate distinguished name info configuration.
// TLSClientCertificateDNInfo holds the client TLS certificate distinguished name info configuration.
// cf https://tools.ietf.org/html/rfc3739
type TLSCLientCertificateDNInfo struct {
type TLSClientCertificateDNInfo struct {
Country bool `json:"country,omitempty" toml:"country,omitempty" yaml:"country,omitempty" export:"true"`
Province bool `json:"province,omitempty" toml:"province,omitempty" yaml:"province,omitempty" export:"true"`
Locality bool `json:"locality,omitempty" toml:"locality,omitempty" yaml:"locality,omitempty" export:"true"`
@ -425,83 +422,3 @@ type TLSCLientCertificateDNInfo struct {
// Users holds a list of users.
type Users []string
// +k8s:deepcopy-gen=true
// ClientTLS holds the TLS specific configurations as client
// CA, Cert and Key can be either path or file contents.
type ClientTLS struct {
CA string `json:"ca,omitempty" toml:"ca,omitempty" yaml:"ca,omitempty"`
CAOptional bool `json:"caOptional,omitempty" toml:"caOptional,omitempty" yaml:"caOptional,omitempty" export:"true"`
Cert string `json:"cert,omitempty" toml:"cert,omitempty" yaml:"cert,omitempty"`
Key string `json:"key,omitempty" toml:"key,omitempty" yaml:"key,omitempty"`
InsecureSkipVerify bool `json:"insecureSkipVerify,omitempty" toml:"insecureSkipVerify,omitempty" yaml:"insecureSkipVerify,omitempty" export:"true"`
}
// CreateTLSConfig creates a TLS config from ClientTLS structures.
func (c *ClientTLS) CreateTLSConfig() (*tls.Config, error) {
if c == nil {
return nil, nil
}
var err error
caPool := x509.NewCertPool()
clientAuth := tls.NoClientCert
if c.CA != "" {
var ca []byte
if _, errCA := os.Stat(c.CA); errCA == nil {
ca, err = os.ReadFile(c.CA)
if err != nil {
return nil, fmt.Errorf("failed to read CA. %w", err)
}
} else {
ca = []byte(c.CA)
}
if !caPool.AppendCertsFromPEM(ca) {
return nil, fmt.Errorf("failed to parse CA")
}
if c.CAOptional {
clientAuth = tls.VerifyClientCertIfGiven
} else {
clientAuth = tls.RequireAndVerifyClientCert
}
}
cert := tls.Certificate{}
_, errKeyIsFile := os.Stat(c.Key)
if !c.InsecureSkipVerify && (len(c.Cert) == 0 || len(c.Key) == 0) {
return nil, fmt.Errorf("TLS Certificate or Key file must be set when TLS configuration is created")
}
if len(c.Cert) > 0 && len(c.Key) > 0 {
if _, errCertIsFile := os.Stat(c.Cert); errCertIsFile == nil {
if errKeyIsFile == nil {
cert, err = tls.LoadX509KeyPair(c.Cert, c.Key)
if err != nil {
return nil, fmt.Errorf("failed to load TLS keypair: %w", err)
}
} else {
return nil, fmt.Errorf("tls cert is a file, but tls key is not")
}
} else {
if errKeyIsFile != nil {
cert, err = tls.X509KeyPair([]byte(c.Cert), []byte(c.Key))
if err != nil {
return nil, fmt.Errorf("failed to load TLS keypair: %w", err)
}
} else {
return nil, fmt.Errorf("TLS key is a file, but tls cert is not")
}
}
}
return &tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caPool,
InsecureSkipVerify: c.InsecureSkipVerify,
ClientAuth: clientAuth,
}, nil
}

30
pkg/config/dynamic/zz_generated.deepcopy.go
View file

@ -124,22 +124,6 @@ func (in *CircuitBreaker) DeepCopy() *CircuitBreaker {
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *ClientTLS) DeepCopyInto(out *ClientTLS) {
*out = *in
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClientTLS.
func (in *ClientTLS) DeepCopy() *ClientTLS {
if in == nil {
return nil
}
out := new(ClientTLS)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *Compress) DeepCopyInto(out *Compress) {
*out = *in
@ -306,7 +290,7 @@ func (in *ForwardAuth) DeepCopyInto(out *ForwardAuth) {
*out = *in
if in.TLS != nil {
in, out := &in.TLS, &out.TLS
*out = new(ClientTLS)
*out = new(types.ClientTLS)
**out = **in
}
if in.AuthResponseHeaders != nil {
@ -1536,17 +1520,17 @@ func (in *TCPWeightedRoundRobin) DeepCopy() *TCPWeightedRoundRobin {
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *TLSCLientCertificateDNInfo) DeepCopyInto(out *TLSCLientCertificateDNInfo) {
func (in *TLSClientCertificateDNInfo) DeepCopyInto(out *TLSClientCertificateDNInfo) {
*out = *in
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TLSCLientCertificateDNInfo.
func (in *TLSCLientCertificateDNInfo) DeepCopy() *TLSCLientCertificateDNInfo {
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TLSClientCertificateDNInfo.
func (in *TLSClientCertificateDNInfo) DeepCopy() *TLSClientCertificateDNInfo {
if in == nil {
return nil
}
out := new(TLSCLientCertificateDNInfo)
out := new(TLSClientCertificateDNInfo)
in.DeepCopyInto(out)
return out
}
@ -1556,12 +1540,12 @@ func (in *TLSClientCertificateInfo) DeepCopyInto(out *TLSClientCertificateInfo)
*out = *in
if in.Subject != nil {
in, out := &in.Subject, &out.Subject
*out = new(TLSCLientCertificateDNInfo)
*out = new(TLSClientCertificateDNInfo)
**out = **in
}
if in.Issuer != nil {
in, out := &in.Issuer, &out.Issuer
*out = new(TLSCLientCertificateDNInfo)
*out = new(TLSClientCertificateDNInfo)
**out = **in
}
return

13
pkg/config/label/label_test.go
View file

@ -9,6 +9,7 @@ import (
"github.com/stretchr/testify/require"
ptypes "github.com/traefik/paerser/types"
"github.com/traefik/traefik/v2/pkg/config/dynamic"
"github.com/traefik/traefik/v2/pkg/types"
)
func TestDecodeConfiguration(t *testing.T) {
@ -366,7 +367,7 @@ func TestDecodeConfiguration(t *testing.T) {
NotAfter: true,
NotBefore: true,
SerialNumber: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -375,7 +376,7 @@ func TestDecodeConfiguration(t *testing.T) {
SerialNumber: true,
DomainComponent: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -501,7 +502,7 @@ func TestDecodeConfiguration(t *testing.T) {
"Middleware7": {
ForwardAuth: &dynamic.ForwardAuth{
Address: "foobar",
TLS: &dynamic.ClientTLS{
TLS: &types.ClientTLS{
CA: "foobar",
CAOptional: true,
Cert: "foobar",
@ -844,7 +845,7 @@ func TestEncodeConfiguration(t *testing.T) {
NotAfter: true,
NotBefore: true,
SerialNumber: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -853,7 +854,7 @@ func TestEncodeConfiguration(t *testing.T) {
SerialNumber: true,
DomainComponent: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -986,7 +987,7 @@ func TestEncodeConfiguration(t *testing.T) {
"Middleware7": {
ForwardAuth: &dynamic.ForwardAuth{
Address: "foobar",
TLS: &dynamic.ClientTLS{
TLS: &types.ClientTLS{
CA: "foobar",
CAOptional: true,
Cert: "foobar",

4
pkg/middlewares/auth/forward.go
View file

@ -72,9 +72,9 @@ func NewForward(ctx context.Context, next http.Handler, config dynamic.ForwardAu
}
if config.TLS != nil {
tlsConfig, err := config.TLS.CreateTLSConfig()
tlsConfig, err := config.TLS.CreateTLSConfig(ctx)
if err != nil {
return nil, err
return nil, fmt.Errorf("unable to create client TLS configuration: %w", err)
}
tr := http.DefaultTransport.(*http.Transport).Clone()

2
pkg/middlewares/passtlsclientcert/pass_tls_client_cert.go
View file

@ -46,7 +46,7 @@ type DistinguishedNameOptions struct {
StateOrProvinceName bool
}
func newDistinguishedNameOptions(info *dynamic.TLSCLientCertificateDNInfo) *DistinguishedNameOptions {
func newDistinguishedNameOptions(info *dynamic.TLSClientCertificateDNInfo) *DistinguishedNameOptions {
if info == nil {
return nil
}

20
pkg/middlewares/passtlsclientcert/pass_tls_client_cert_test.go
View file

@ -376,7 +376,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
desc: "No TLS, with subject info",
config: dynamic.PassTLSClientCert{
Info: &dynamic.TLSClientCertificateInfo{
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
CommonName: true,
Organization: true,
Locality: true,
@ -392,7 +392,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
config: dynamic.PassTLSClientCert{
PEM: false,
Info: &dynamic.TLSClientCertificateInfo{
Subject: &dynamic.TLSCLientCertificateDNInfo{},
Subject: &dynamic.TLSClientCertificateDNInfo{},
},
},
},
@ -405,7 +405,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
NotBefore: true,
Sans: true,
SerialNumber: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
CommonName: true,
Country: true,
DomainComponent: true,
@ -414,7 +414,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
Province: true,
SerialNumber: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
CommonName: true,
Country: true,
DomainComponent: true,
@ -434,10 +434,10 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
Info: &dynamic.TLSClientCertificateInfo{
NotAfter: true,
Sans: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Organization: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
},
},
@ -453,7 +453,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
NotBefore: true,
Sans: true,
SerialNumber: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -462,7 +462,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
SerialNumber: true,
DomainComponent: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -484,7 +484,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
NotBefore: true,
Sans: true,
SerialNumber: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -493,7 +493,7 @@ func TestPassTLSClientCert_certInfo(t *testing.T) {
SerialNumber: true,
DomainComponent: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,

2
pkg/provider/docker/docker.go
View file

@ -165,7 +165,7 @@ func (p *Provider) getClientOpts() ([]client.Opt, error) {
conf, err := p.TLS.CreateTLSConfig(ctx)
if err != nil {
return nil, err
return nil, fmt.Errorf("unable to create client TLS configuration: %w", err)
}
hostURL, err := client.ParseHostURL(p.Endpoint)

2
pkg/provider/http/http.go
View file

@ -55,7 +55,7 @@ func (p *Provider) Init() error {
if p.TLS != nil {
tlsConfig, err := p.TLS.CreateTLSConfig(context.Background())
if err != nil {
return fmt.Errorf("unable to create TLS configuration: %w", err)
return fmt.Errorf("unable to create client TLS configuration: %w", err)
}
p.httpClient.Transport = &http.Transport{

3
pkg/provider/kubernetes/crd/kubernetes.go
View file

@ -23,6 +23,7 @@ import (
"github.com/traefik/traefik/v2/pkg/provider/kubernetes/crd/traefik/v1alpha1"
"github.com/traefik/traefik/v2/pkg/safe"
"github.com/traefik/traefik/v2/pkg/tls"
"github.com/traefik/traefik/v2/pkg/types"
corev1 "k8s.io/api/core/v1"
apiextensionv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
"k8s.io/apimachinery/pkg/labels"
@ -481,7 +482,7 @@ func createForwardAuthMiddleware(k8sClient Client, namespace string, auth *v1alp
return forwardAuth, nil
}
forwardAuth.TLS = &dynamic.ClientTLS{
forwardAuth.TLS = &types.ClientTLS{
CAOptional: auth.TLS.CAOptional,
InsecureSkipVerify: auth.TLS.InsecureSkipVerify,
}

15
pkg/provider/kubernetes/crd/kubernetes_test.go
View file

@ -9,13 +9,14 @@ import (
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/traefik/paerser/types"
ptypes "github.com/traefik/paerser/types"
"github.com/traefik/traefik/v2/pkg/config/dynamic"
"github.com/traefik/traefik/v2/pkg/provider"
crdfake "github.com/traefik/traefik/v2/pkg/provider/kubernetes/crd/generated/clientset/versioned/fake"
"github.com/traefik/traefik/v2/pkg/provider/kubernetes/crd/traefik/v1alpha1"
"github.com/traefik/traefik/v2/pkg/provider/kubernetes/k8s"
"github.com/traefik/traefik/v2/pkg/tls"
"github.com/traefik/traefik/v2/pkg/types"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
@ -3243,7 +3244,7 @@ func TestLoadIngressRoutes(t *testing.T) {
"default-forwardauth": {
ForwardAuth: &dynamic.ForwardAuth{
Address: "test.com",
TLS: &dynamic.ClientTLS{
TLS: &types.ClientTLS{
CA: "-----BEGIN CERTIFICATE-----\n-----END CERTIFICATE-----",
Cert: "-----BEGIN CERTIFICATE-----\n-----END CERTIFICATE-----",
Key: "-----BEGIN PRIVATE KEY-----\n-----END PRIVATE KEY-----",
@ -3612,17 +3613,17 @@ func TestLoadIngressRoutes(t *testing.T) {
MaxIdleConnsPerHost: 42,
DisableHTTP2: true,
ForwardingTimeouts: &dynamic.ForwardingTimeouts{
DialTimeout: types.Duration(42 * time.Second),
ResponseHeaderTimeout: types.Duration(42 * time.Second),
IdleConnTimeout: types.Duration(42 * time.Millisecond),
DialTimeout: ptypes.Duration(42 * time.Second),
ResponseHeaderTimeout: ptypes.Duration(42 * time.Second),
IdleConnTimeout: ptypes.Duration(42 * time.Millisecond),
},
PeerCertURI: "foo://bar",
},
"default-test": {
ServerName: "test",
ForwardingTimeouts: &dynamic.ForwardingTimeouts{
DialTimeout: types.Duration(30 * time.Second),
IdleConnTimeout: types.Duration(90 * time.Second),
DialTimeout: ptypes.Duration(30 * time.Second),
IdleConnTimeout: ptypes.Duration(90 * time.Second),
},
},
},

2
pkg/provider/kv/kv.go
View file

@ -170,7 +170,7 @@ func (p *Provider) createKVClient(ctx context.Context) (store.Store, error) {
var err error
storeConfig.TLS, err = p.TLS.CreateTLSConfig(ctx)
if err != nil {
return nil, err
return nil, fmt.Errorf("unable to create client TLS configuration: %w", err)
}
}

6
pkg/provider/kv/kv_test.go
View file

@ -399,7 +399,7 @@ func Test_buildConfiguration(t *testing.T) {
"Middleware08": {
ForwardAuth: &dynamic.ForwardAuth{
Address: "foobar",
TLS: &dynamic.ClientTLS{
TLS: &types.ClientTLS{
CA: "foobar",
CAOptional: true,
Cert: "foobar",
@ -478,7 +478,7 @@ func Test_buildConfiguration(t *testing.T) {
NotAfter: true,
NotBefore: true,
Sans: true,
Subject: &dynamic.TLSCLientCertificateDNInfo{
Subject: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,
@ -487,7 +487,7 @@ func Test_buildConfiguration(t *testing.T) {
SerialNumber: true,
DomainComponent: true,
},
Issuer: &dynamic.TLSCLientCertificateDNInfo{
Issuer: &dynamic.TLSClientCertificateDNInfo{
Country: true,
Province: true,
Locality: true,

2
pkg/provider/marathon/marathon.go
View file

@ -134,7 +134,7 @@ func (p *Provider) Provide(configurationChan chan<- dynamic.Message, pool *safe.
}
TLSConfig, err := p.TLS.CreateTLSConfig(ctx)
if err != nil {
return err
return fmt.Errorf("unable to create client TLS configuration: %w", err)
}
confg.HTTPClient = &http.Client{
Transport: &http.Transport{

13
pkg/types/fixtures/cert.pem Normal file
View file

@ -0,0 +1,13 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

16
pkg/types/fixtures/key.pem Normal file
View file

@ -0,0 +1,16 @@
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----

69
pkg/types/tls.go
View file

@ -4,12 +4,15 @@ import (
"context"
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"os"
"github.com/traefik/traefik/v2/pkg/log"
)
// +k8s:deepcopy-gen=true
// ClientTLS holds TLS specific configurations as client
// CA, Cert and Key can be either path or file contents.
type ClientTLS struct {
@ -42,7 +45,7 @@ func (clientTLS *ClientTLS) CreateTLSConfig(ctx context.Context) (*tls.Config, e
}
if !caPool.AppendCertsFromPEM(ca) {
return nil, fmt.Errorf("failed to parse CA")
return nil, errors.New("failed to parse CA")
}
if clientTLS.CAOptional {
@ -52,34 +55,24 @@ func (clientTLS *ClientTLS) CreateTLSConfig(ctx context.Context) (*tls.Config, e
}
}
if !clientTLS.InsecureSkipVerify && (len(clientTLS.Cert) == 0 || len(clientTLS.Key) == 0) {
return nil, fmt.Errorf("TLS Certificate or Key file must be set when TLS configuration is created")
hasCert := len(clientTLS.Cert) > 0
hasKey := len(clientTLS.Key) > 0
if hasCert != hasKey {
return nil, errors.New("both TLS cert and key must be defined")
}
cert := tls.Certificate{}
_, errKeyIsFile := os.Stat(clientTLS.Key)
if !hasCert || !hasKey {
return &tls.Config{
RootCAs: caPool,
InsecureSkipVerify: clientTLS.InsecureSkipVerify,
ClientAuth: clientAuth,
}, nil
}
if len(clientTLS.Cert) > 0 && len(clientTLS.Key) > 0 {
var err error
if _, errCertIsFile := os.Stat(clientTLS.Cert); errCertIsFile == nil {
if errKeyIsFile == nil {
cert, err = tls.LoadX509KeyPair(clientTLS.Cert, clientTLS.Key)
if err != nil {
return nil, fmt.Errorf("failed to load TLS keypair: %w", err)
}
} else {
return nil, fmt.Errorf("TLS cert is a file, but tls key is not")
}
} else {
if errKeyIsFile != nil {
cert, err = tls.X509KeyPair([]byte(clientTLS.Cert), []byte(clientTLS.Key))
if err != nil {
return nil, fmt.Errorf("failed to load TLS keypair: %w", err)
}
} else {
return nil, fmt.Errorf("TLS key is a file, but tls cert is not")
}
}
cert, err := loadKeyPair(clientTLS.Cert, clientTLS.Key)
if err != nil {
return nil, err
}
return &tls.Config{
@ -89,3 +82,27 @@ func (clientTLS *ClientTLS) CreateTLSConfig(ctx context.Context) (*tls.Config, e
ClientAuth: clientAuth,
}, nil
}
func loadKeyPair(cert, key string) (tls.Certificate, error) {
keyPair, err := tls.X509KeyPair([]byte(cert), []byte(key))
if err == nil {
return keyPair, nil
}
_, err = os.Stat(cert)
if err != nil {
return tls.Certificate{}, errors.New("cert file does not exist")
}
_, err = os.Stat(key)
if err != nil {
return tls.Certificate{}, errors.New("key file does not exist")
}
keyPair, err = tls.LoadX509KeyPair(cert, key)
if err != nil {
return tls.Certificate{}, err
}
return keyPair, nil
}

123
pkg/types/tls_test.go Normal file
View file

@ -0,0 +1,123 @@
package types
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// go run $GOROOT/src/crypto/tls/generate_cert.go --rsa-bits 1024 --host localhost --start-date "Jan 1 00:00:00 1970" --duration=1000000h
var cert = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
var key = `-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----`
func TestClientTLS_CreateTLSConfig(t *testing.T) {
tests := []struct {
desc string
clientTLS ClientTLS
wantCertLen int
wantCALen int
wantErr bool
}{
{
desc: "Configure CA",
clientTLS: ClientTLS{CA: cert},
wantCALen: 1,
wantErr: false,
},
{
desc: "Configure the client keyPair from strings",
clientTLS: ClientTLS{Cert: cert, Key: key},
wantCertLen: 1,
wantErr: false,
},
{
desc: "Configure the client keyPair from files",
clientTLS: ClientTLS{Cert: "fixtures/cert.pem", Key: "fixtures/key.pem"},
wantCertLen: 1,
wantErr: false,
},
{
desc: "Configure InsecureSkipVerify",
clientTLS: ClientTLS{InsecureSkipVerify: true},
wantErr: false,
},
{
desc: "Return an error if only the client cert is provided",
clientTLS: ClientTLS{Cert: cert},
wantErr: true,
},
{
desc: "Return an error if only the client key is provided",
clientTLS: ClientTLS{Key: key},
wantErr: true,
},
{
desc: "Return an error if only the client cert is of type file",
clientTLS: ClientTLS{Cert: "fixtures/cert.pem", Key: key},
wantErr: true,
},
{
desc: "Return an error if only the client key is of type file",
clientTLS: ClientTLS{Cert: cert, Key: "fixtures/key.pem"},
wantErr: true,
},
{
desc: "Return an error if the client cert does not exist",
clientTLS: ClientTLS{Cert: "fixtures/cert2.pem", Key: "fixtures/key.pem"},
wantErr: true,
},
{
desc: "Return an error if the client key does not exist",
clientTLS: ClientTLS{Cert: "fixtures/cert.pem", Key: "fixtures/key2.pem"},
wantErr: true,
},
}
for _, test := range tests {
test := test
t.Run(test.desc, func(t *testing.T) {
tlsConfig, err := test.clientTLS.CreateTLSConfig(context.Background())
if test.wantErr {
require.Error(t, err)
return
}
require.NoError(t, err)
assert.Len(t, tlsConfig.RootCAs.Subjects(), test.wantCALen)
assert.Len(t, tlsConfig.Certificates, test.wantCertLen)
assert.Equal(t, test.clientTLS.InsecureSkipVerify, tlsConfig.InsecureSkipVerify)
})
}
}

16
pkg/types/zz_generated.deepcopy.go
View file

@ -29,6 +29,22 @@ THE SOFTWARE.
package types
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *ClientTLS) DeepCopyInto(out *ClientTLS) {
*out = *in
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClientTLS.
func (in *ClientTLS) DeepCopy() *ClientTLS {
if in == nil {
return nil
}
out := new(ClientTLS)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *Domain) DeepCopyInto(out *Domain) {
*out = *in