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This commit is contained in:
mickymiek
2018-12-19 15:29:25 +01:00
committed by Huamin Chen
parent 62d65ad0cb
commit 35561301b2
2952 changed files with 1124359 additions and 1 deletions
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47
vendor/k8s.io/client-go/util/cert/BUILD generated vendored Normal file
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package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_test(
name = "go_default_test",
srcs = [
"csr_test.go",
"pem_test.go",
],
data = glob(["testdata/**"]),
embed = [":go_default_library"],
)
go_library(
name = "go_default_library",
srcs = [
"cert.go",
"csr.go",
"io.go",
"pem.go",
],
data = [
"testdata/dontUseThisKey.pem",
],
importpath = "k8s.io/client-go/util/cert",
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [
":package-srcs",
"//staging/src/k8s.io/client-go/util/cert/triple:all-srcs",
],
tags = ["automanaged"],
)

245
vendor/k8s.io/client-go/util/cert/cert.go generated vendored Normal file
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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cert
import (
"bytes"
"crypto/ecdsa"
"crypto/elliptic"
cryptorand "crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"errors"
"fmt"
"math"
"math/big"
"net"
"time"
)
const (
rsaKeySize = 2048
duration365d = time.Hour * 24 * 365
)
// Config contains the basic fields required for creating a certificate
type Config struct {
CommonName string
Organization []string
AltNames AltNames
Usages []x509.ExtKeyUsage
}
// AltNames contains the domain names and IP addresses that will be added
// to the API Server's x509 certificate SubAltNames field. The values will
// be passed directly to the x509.Certificate object.
type AltNames struct {
DNSNames []string
IPs []net.IP
}
// NewPrivateKey creates an RSA private key
func NewPrivateKey() (*rsa.PrivateKey, error) {
return rsa.GenerateKey(cryptorand.Reader, rsaKeySize)
}
// NewSelfSignedCACert creates a CA certificate
func NewSelfSignedCACert(cfg Config, key *rsa.PrivateKey) (*x509.Certificate, error) {
now := time.Now()
tmpl := x509.Certificate{
SerialNumber: new(big.Int).SetInt64(0),
Subject: pkix.Name{
CommonName: cfg.CommonName,
Organization: cfg.Organization,
},
NotBefore: now.UTC(),
NotAfter: now.Add(duration365d * 10).UTC(),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
BasicConstraintsValid: true,
IsCA: true,
}
certDERBytes, err := x509.CreateCertificate(cryptorand.Reader, &tmpl, &tmpl, key.Public(), key)
if err != nil {
return nil, err
}
return x509.ParseCertificate(certDERBytes)
}
// NewSignedCert creates a signed certificate using the given CA certificate and key
func NewSignedCert(cfg Config, key *rsa.PrivateKey, caCert *x509.Certificate, caKey *rsa.PrivateKey) (*x509.Certificate, error) {
serial, err := cryptorand.Int(cryptorand.Reader, new(big.Int).SetInt64(math.MaxInt64))
if err != nil {
return nil, err
}
if len(cfg.CommonName) == 0 {
return nil, errors.New("must specify a CommonName")
}
if len(cfg.Usages) == 0 {
return nil, errors.New("must specify at least one ExtKeyUsage")
}
certTmpl := x509.Certificate{
Subject: pkix.Name{
CommonName: cfg.CommonName,
Organization: cfg.Organization,
},
DNSNames: cfg.AltNames.DNSNames,
IPAddresses: cfg.AltNames.IPs,
SerialNumber: serial,
NotBefore: caCert.NotBefore,
NotAfter: time.Now().Add(duration365d).UTC(),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: cfg.Usages,
}
certDERBytes, err := x509.CreateCertificate(cryptorand.Reader, &certTmpl, caCert, key.Public(), caKey)
if err != nil {
return nil, err
}
return x509.ParseCertificate(certDERBytes)
}
// MakeEllipticPrivateKeyPEM creates an ECDSA private key
func MakeEllipticPrivateKeyPEM() ([]byte, error) {
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), cryptorand.Reader)
if err != nil {
return nil, err
}
derBytes, err := x509.MarshalECPrivateKey(privateKey)
if err != nil {
return nil, err
}
privateKeyPemBlock := &pem.Block{
Type: ECPrivateKeyBlockType,
Bytes: derBytes,
}
return pem.EncodeToMemory(privateKeyPemBlock), nil
}
// GenerateSelfSignedCertKey creates a self-signed certificate and key for the given host.
// Host may be an IP or a DNS name
// You may also specify additional subject alt names (either ip or dns names) for the certificate
func GenerateSelfSignedCertKey(host string, alternateIPs []net.IP, alternateDNS []string) ([]byte, []byte, error) {
caKey, err := rsa.GenerateKey(cryptorand.Reader, 2048)
if err != nil {
return nil, nil, err
}
caTemplate := x509.Certificate{
SerialNumber: big.NewInt(1),
Subject: pkix.Name{
CommonName: fmt.Sprintf("%s-ca@%d", host, time.Now().Unix()),
},
NotBefore: time.Now(),
NotAfter: time.Now().Add(time.Hour * 24 * 365),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
BasicConstraintsValid: true,
IsCA: true,
}
caDERBytes, err := x509.CreateCertificate(cryptorand.Reader, &caTemplate, &caTemplate, &caKey.PublicKey, caKey)
if err != nil {
return nil, nil, err
}
caCertificate, err := x509.ParseCertificate(caDERBytes)
if err != nil {
return nil, nil, err
}
priv, err := rsa.GenerateKey(cryptorand.Reader, 2048)
if err != nil {
return nil, nil, err
}
template := x509.Certificate{
SerialNumber: big.NewInt(2),
Subject: pkix.Name{
CommonName: fmt.Sprintf("%s@%d", host, time.Now().Unix()),
},
NotBefore: time.Now(),
NotAfter: time.Now().Add(time.Hour * 24 * 365),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
}
if ip := net.ParseIP(host); ip != nil {
template.IPAddresses = append(template.IPAddresses, ip)
} else {
template.DNSNames = append(template.DNSNames, host)
}
template.IPAddresses = append(template.IPAddresses, alternateIPs...)
template.DNSNames = append(template.DNSNames, alternateDNS...)
derBytes, err := x509.CreateCertificate(cryptorand.Reader, &template, caCertificate, &priv.PublicKey, caKey)
if err != nil {
return nil, nil, err
}
// Generate cert, followed by ca
certBuffer := bytes.Buffer{}
if err := pem.Encode(&certBuffer, &pem.Block{Type: CertificateBlockType, Bytes: derBytes}); err != nil {
return nil, nil, err
}
if err := pem.Encode(&certBuffer, &pem.Block{Type: CertificateBlockType, Bytes: caDERBytes}); err != nil {
return nil, nil, err
}
// Generate key
keyBuffer := bytes.Buffer{}
if err := pem.Encode(&keyBuffer, &pem.Block{Type: RSAPrivateKeyBlockType, Bytes: x509.MarshalPKCS1PrivateKey(priv)}); err != nil {
return nil, nil, err
}
return certBuffer.Bytes(), keyBuffer.Bytes(), nil
}
// FormatBytesCert receives byte array certificate and formats in human-readable format
func FormatBytesCert(cert []byte) (string, error) {
block, _ := pem.Decode(cert)
c, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return "", fmt.Errorf("failed to parse certificate [%v]", err)
}
return FormatCert(c), nil
}
// FormatCert receives certificate and formats in human-readable format
func FormatCert(c *x509.Certificate) string {
var ips []string
for _, ip := range c.IPAddresses {
ips = append(ips, ip.String())
}
altNames := append(ips, c.DNSNames...)
res := fmt.Sprintf(
"Issuer: CN=%s | Subject: CN=%s | CA: %t\n",
c.Issuer.CommonName, c.Subject.CommonName, c.IsCA,
)
res += fmt.Sprintf("Not before: %s Not After: %s", c.NotBefore, c.NotAfter)
if len(altNames) > 0 {
res += fmt.Sprintf("\nAlternate Names: %v", altNames)
}
return res
}

75
vendor/k8s.io/client-go/util/cert/csr.go generated vendored Normal file
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cert
import (
cryptorand "crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"net"
)
// MakeCSR generates a PEM-encoded CSR using the supplied private key, subject, and SANs.
// All key types that are implemented via crypto.Signer are supported (This includes *rsa.PrivateKey and *ecdsa.PrivateKey.)
func MakeCSR(privateKey interface{}, subject *pkix.Name, dnsSANs []string, ipSANs []net.IP) (csr []byte, err error) {
template := &x509.CertificateRequest{
Subject: *subject,
DNSNames: dnsSANs,
IPAddresses: ipSANs,
}
return MakeCSRFromTemplate(privateKey, template)
}
// MakeCSRFromTemplate generates a PEM-encoded CSR using the supplied private
// key and certificate request as a template. All key types that are
// implemented via crypto.Signer are supported (This includes *rsa.PrivateKey
// and *ecdsa.PrivateKey.)
func MakeCSRFromTemplate(privateKey interface{}, template *x509.CertificateRequest) ([]byte, error) {
t := *template
t.SignatureAlgorithm = sigType(privateKey)
csrDER, err := x509.CreateCertificateRequest(cryptorand.Reader, &t, privateKey)
if err != nil {
return nil, err
}
csrPemBlock := &pem.Block{
Type: CertificateRequestBlockType,
Bytes: csrDER,
}
return pem.EncodeToMemory(csrPemBlock), nil
}
func sigType(privateKey interface{}) x509.SignatureAlgorithm {
// Customize the signature for RSA keys, depending on the key size
if privateKey, ok := privateKey.(*rsa.PrivateKey); ok {
keySize := privateKey.N.BitLen()
switch {
case keySize >= 4096:
return x509.SHA512WithRSA
case keySize >= 3072:
return x509.SHA384WithRSA
default:
return x509.SHA256WithRSA
}
}
return x509.UnknownSignatureAlgorithm
}

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vendor/k8s.io/client-go/util/cert/csr_test.go generated vendored Normal file
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cert
import (
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"io/ioutil"
"net"
"testing"
)
func TestMakeCSR(t *testing.T) {
keyFile := "testdata/dontUseThisKey.pem"
subject := &pkix.Name{
CommonName: "kube-worker",
}
dnsSANs := []string{"localhost"}
ipSANs := []net.IP{net.ParseIP("127.0.0.1")}
keyData, err := ioutil.ReadFile(keyFile)
if err != nil {
t.Fatal(err)
}
key, err := ParsePrivateKeyPEM(keyData)
if err != nil {
t.Fatal(err)
}
csrPEM, err := MakeCSR(key, subject, dnsSANs, ipSANs)
if err != nil {
t.Error(err)
}
csrBlock, rest := pem.Decode(csrPEM)
if csrBlock == nil {
t.Error("Unable to decode MakeCSR result.")
}
if len(rest) != 0 {
t.Error("Found more than one PEM encoded block in the result.")
}
if csrBlock.Type != CertificateRequestBlockType {
t.Errorf("Found block type %q, wanted 'CERTIFICATE REQUEST'", csrBlock.Type)
}
csr, err := x509.ParseCertificateRequest(csrBlock.Bytes)
if err != nil {
t.Errorf("Found %v parsing MakeCSR result as a CertificateRequest.", err)
}
if csr.Subject.CommonName != subject.CommonName {
t.Errorf("Wanted %v, got %v", subject, csr.Subject)
}
if len(csr.DNSNames) != 1 {
t.Errorf("Wanted 1 DNS name in the result, got %d", len(csr.DNSNames))
} else if csr.DNSNames[0] != dnsSANs[0] {
t.Errorf("Wanted %v, got %v", dnsSANs[0], csr.DNSNames[0])
}
if len(csr.IPAddresses) != 1 {
t.Errorf("Wanted 1 IP address in the result, got %d", len(csr.IPAddresses))
} else if csr.IPAddresses[0].String() != ipSANs[0].String() {
t.Errorf("Wanted %v, got %v", ipSANs[0], csr.IPAddresses[0])
}
}

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vendor/k8s.io/client-go/util/cert/io.go generated vendored Normal file
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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cert
import (
"crypto/x509"
"fmt"
"io/ioutil"
"os"
"path/filepath"
)
// CanReadCertAndKey returns true if the certificate and key files already exists,
// otherwise returns false. If lost one of cert and key, returns error.
func CanReadCertAndKey(certPath, keyPath string) (bool, error) {
certReadable := canReadFile(certPath)
keyReadable := canReadFile(keyPath)
if certReadable == false && keyReadable == false {
return false, nil
}
if certReadable == false {
return false, fmt.Errorf("error reading %s, certificate and key must be supplied as a pair", certPath)
}
if keyReadable == false {
return false, fmt.Errorf("error reading %s, certificate and key must be supplied as a pair", keyPath)
}
return true, nil
}
// If the file represented by path exists and
// readable, returns true otherwise returns false.
func canReadFile(path string) bool {
f, err := os.Open(path)
if err != nil {
return false
}
defer f.Close()
return true
}
// WriteCert writes the pem-encoded certificate data to certPath.
// The certificate file will be created with file mode 0644.
// If the certificate file already exists, it will be overwritten.
// The parent directory of the certPath will be created as needed with file mode 0755.
func WriteCert(certPath string, data []byte) error {
if err := os.MkdirAll(filepath.Dir(certPath), os.FileMode(0755)); err != nil {
return err
}
return ioutil.WriteFile(certPath, data, os.FileMode(0644))
}
// WriteKey writes the pem-encoded key data to keyPath.
// The key file will be created with file mode 0600.
// If the key file already exists, it will be overwritten.
// The parent directory of the keyPath will be created as needed with file mode 0755.
func WriteKey(keyPath string, data []byte) error {
if err := os.MkdirAll(filepath.Dir(keyPath), os.FileMode(0755)); err != nil {
return err
}
return ioutil.WriteFile(keyPath, data, os.FileMode(0600))
}
// LoadOrGenerateKeyFile looks for a key in the file at the given path. If it
// can't find one, it will generate a new key and store it there.
func LoadOrGenerateKeyFile(keyPath string) (data []byte, wasGenerated bool, err error) {
loadedData, err := ioutil.ReadFile(keyPath)
if err == nil {
return loadedData, false, err
}
if !os.IsNotExist(err) {
return nil, false, fmt.Errorf("error loading key from %s: %v", keyPath, err)
}
generatedData, err := MakeEllipticPrivateKeyPEM()
if err != nil {
return nil, false, fmt.Errorf("error generating key: %v", err)
}
if err := WriteKey(keyPath, generatedData); err != nil {
return nil, false, fmt.Errorf("error writing key to %s: %v", keyPath, err)
}
return generatedData, true, nil
}
// NewPool returns an x509.CertPool containing the certificates in the given PEM-encoded file.
// Returns an error if the file could not be read, a certificate could not be parsed, or if the file does not contain any certificates
func NewPool(filename string) (*x509.CertPool, error) {
certs, err := CertsFromFile(filename)
if err != nil {
return nil, err
}
pool := x509.NewCertPool()
for _, cert := range certs {
pool.AddCert(cert)
}
return pool, nil
}
// CertsFromFile returns the x509.Certificates contained in the given PEM-encoded file.
// Returns an error if the file could not be read, a certificate could not be parsed, or if the file does not contain any certificates
func CertsFromFile(file string) ([]*x509.Certificate, error) {
pemBlock, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
certs, err := ParseCertsPEM(pemBlock)
if err != nil {
return nil, fmt.Errorf("error reading %s: %s", file, err)
}
return certs, nil
}
// PrivateKeyFromFile returns the private key in rsa.PrivateKey or ecdsa.PrivateKey format from a given PEM-encoded file.
// Returns an error if the file could not be read or if the private key could not be parsed.
func PrivateKeyFromFile(file string) (interface{}, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
key, err := ParsePrivateKeyPEM(data)
if err != nil {
return nil, fmt.Errorf("error reading private key file %s: %v", file, err)
}
return key, nil
}
// PublicKeysFromFile returns the public keys in rsa.PublicKey or ecdsa.PublicKey format from a given PEM-encoded file.
// Reads public keys from both public and private key files.
func PublicKeysFromFile(file string) ([]interface{}, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
keys, err := ParsePublicKeysPEM(data)
if err != nil {
return nil, fmt.Errorf("error reading public key file %s: %v", file, err)
}
return keys, nil
}

269
vendor/k8s.io/client-go/util/cert/pem.go generated vendored Normal file
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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cert
import (
"crypto/ecdsa"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
)
const (
// ECPrivateKeyBlockType is a possible value for pem.Block.Type.
ECPrivateKeyBlockType = "EC PRIVATE KEY"
// RSAPrivateKeyBlockType is a possible value for pem.Block.Type.
RSAPrivateKeyBlockType = "RSA PRIVATE KEY"
// PrivateKeyBlockType is a possible value for pem.Block.Type.
PrivateKeyBlockType = "PRIVATE KEY"
// PublicKeyBlockType is a possible value for pem.Block.Type.
PublicKeyBlockType = "PUBLIC KEY"
// CertificateBlockType is a possible value for pem.Block.Type.
CertificateBlockType = "CERTIFICATE"
// CertificateRequestBlockType is a possible value for pem.Block.Type.
CertificateRequestBlockType = "CERTIFICATE REQUEST"
)
// EncodePublicKeyPEM returns PEM-encoded public data
func EncodePublicKeyPEM(key *rsa.PublicKey) ([]byte, error) {
der, err := x509.MarshalPKIXPublicKey(key)
if err != nil {
return []byte{}, err
}
block := pem.Block{
Type: PublicKeyBlockType,
Bytes: der,
}
return pem.EncodeToMemory(&block), nil
}
// EncodePrivateKeyPEM returns PEM-encoded private key data
func EncodePrivateKeyPEM(key *rsa.PrivateKey) []byte {
block := pem.Block{
Type: RSAPrivateKeyBlockType,
Bytes: x509.MarshalPKCS1PrivateKey(key),
}
return pem.EncodeToMemory(&block)
}
// EncodeCertPEM returns PEM-endcoded certificate data
func EncodeCertPEM(cert *x509.Certificate) []byte {
block := pem.Block{
Type: CertificateBlockType,
Bytes: cert.Raw,
}
return pem.EncodeToMemory(&block)
}
// ParsePrivateKeyPEM returns a private key parsed from a PEM block in the supplied data.
// Recognizes PEM blocks for "EC PRIVATE KEY", "RSA PRIVATE KEY", or "PRIVATE KEY"
func ParsePrivateKeyPEM(keyData []byte) (interface{}, error) {
var privateKeyPemBlock *pem.Block
for {
privateKeyPemBlock, keyData = pem.Decode(keyData)
if privateKeyPemBlock == nil {
break
}
switch privateKeyPemBlock.Type {
case ECPrivateKeyBlockType:
// ECDSA Private Key in ASN.1 format
if key, err := x509.ParseECPrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
case RSAPrivateKeyBlockType:
// RSA Private Key in PKCS#1 format
if key, err := x509.ParsePKCS1PrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
case PrivateKeyBlockType:
// RSA or ECDSA Private Key in unencrypted PKCS#8 format
if key, err := x509.ParsePKCS8PrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
}
// tolerate non-key PEM blocks for compatibility with things like "EC PARAMETERS" blocks
// originally, only the first PEM block was parsed and expected to be a key block
}
// we read all the PEM blocks and didn't recognize one
return nil, fmt.Errorf("data does not contain a valid RSA or ECDSA private key")
}
// ParsePublicKeysPEM is a helper function for reading an array of rsa.PublicKey or ecdsa.PublicKey from a PEM-encoded byte array.
// Reads public keys from both public and private key files.
func ParsePublicKeysPEM(keyData []byte) ([]interface{}, error) {
var block *pem.Block
keys := []interface{}{}
for {
// read the next block
block, keyData = pem.Decode(keyData)
if block == nil {
break
}
// test block against parsing functions
if privateKey, err := parseRSAPrivateKey(block.Bytes); err == nil {
keys = append(keys, &privateKey.PublicKey)
continue
}
if publicKey, err := parseRSAPublicKey(block.Bytes); err == nil {
keys = append(keys, publicKey)
continue
}
if privateKey, err := parseECPrivateKey(block.Bytes); err == nil {
keys = append(keys, &privateKey.PublicKey)
continue
}
if publicKey, err := parseECPublicKey(block.Bytes); err == nil {
keys = append(keys, publicKey)
continue
}
// tolerate non-key PEM blocks for backwards compatibility
// originally, only the first PEM block was parsed and expected to be a key block
}
if len(keys) == 0 {
return nil, fmt.Errorf("data does not contain any valid RSA or ECDSA public keys")
}
return keys, nil
}
// ParseCertsPEM returns the x509.Certificates contained in the given PEM-encoded byte array
// Returns an error if a certificate could not be parsed, or if the data does not contain any certificates
func ParseCertsPEM(pemCerts []byte) ([]*x509.Certificate, error) {
ok := false
certs := []*x509.Certificate{}
for len(pemCerts) > 0 {
var block *pem.Block
block, pemCerts = pem.Decode(pemCerts)
if block == nil {
break
}
// Only use PEM "CERTIFICATE" blocks without extra headers
if block.Type != CertificateBlockType || len(block.Headers) != 0 {
continue
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return certs, err
}
certs = append(certs, cert)
ok = true
}
if !ok {
return certs, errors.New("data does not contain any valid RSA or ECDSA certificates")
}
return certs, nil
}
// parseRSAPublicKey parses a single RSA public key from the provided data
func parseRSAPublicKey(data []byte) (*rsa.PublicKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(data); err != nil {
if cert, err := x509.ParseCertificate(data); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
// Test if parsed key is an RSA Public Key
var pubKey *rsa.PublicKey
var ok bool
if pubKey, ok = parsedKey.(*rsa.PublicKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid RSA Public Key")
}
return pubKey, nil
}
// parseRSAPrivateKey parses a single RSA private key from the provided data
func parseRSAPrivateKey(data []byte) (*rsa.PrivateKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKCS1PrivateKey(data); err != nil {
if parsedKey, err = x509.ParsePKCS8PrivateKey(data); err != nil {
return nil, err
}
}
// Test if parsed key is an RSA Private Key
var privKey *rsa.PrivateKey
var ok bool
if privKey, ok = parsedKey.(*rsa.PrivateKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid RSA Private Key")
}
return privKey, nil
}
// parseECPublicKey parses a single ECDSA public key from the provided data
func parseECPublicKey(data []byte) (*ecdsa.PublicKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(data); err != nil {
if cert, err := x509.ParseCertificate(data); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
// Test if parsed key is an ECDSA Public Key
var pubKey *ecdsa.PublicKey
var ok bool
if pubKey, ok = parsedKey.(*ecdsa.PublicKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid ECDSA Public Key")
}
return pubKey, nil
}
// parseECPrivateKey parses a single ECDSA private key from the provided data
func parseECPrivateKey(data []byte) (*ecdsa.PrivateKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParseECPrivateKey(data); err != nil {
return nil, err
}
// Test if parsed key is an ECDSA Private Key
var privKey *ecdsa.PrivateKey
var ok bool
if privKey, ok = parsedKey.(*ecdsa.PrivateKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid ECDSA Private Key")
}
return privKey, nil
}

197
vendor/k8s.io/client-go/util/cert/pem_test.go generated vendored Normal file
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@ -0,0 +1,197 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cert
import (
"io/ioutil"
"os"
"testing"
)
const (
// rsaPrivateKey is a RSA Private Key in PKCS#1 format
// openssl genrsa -out rsa2048.pem 2048
rsaPrivateKey = `-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`
// rsaPublicKey is a RSA Public Key in PEM encoded format
// openssl rsa -in rsa2048.pem -pubout -out rsa2048pub.pem
rsaPublicKey = `-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA92mVjhBKOFsdxFzb/Pjq
+7b5TJlODAdY5hK+WxLZTIrfhDPqFWrGKdjSNiHbXrdEtwJh9V+RqPZVSN3aWy12
24RgkyNdMJsXhJKuCC24ZKY8SXtWxuTYmMRaMnCsv6QBGRTIbZ2EFbAObVM7lDyv
1VqY3amZIWFQMlZ9CNpxDSPa5yi43gopbXkne0oGNmey9X0qtpk7NMZIgAL6Zz4r
Z30bcfC2ag6RLOFI2E/c4n8c38R89MfXfLkj8/Cxo4JfI9NvRCpPOpFO8d/ZtWVU
uIrBQN+Y7tkN2T60Qq/TkKXUrhDefwlTlktZVJ/GztLYU41b2GcWsh/XO+PH831r
mwIDAQAB
-----END PUBLIC KEY-----`
// certificate is an x509 certificate in PEM encoded format
// openssl req -new -key rsa2048.pem -sha256 -nodes -x509 -days 1826 -out x509certificate.pem -subj "/C=US/CN=not-valid"
certificate = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
// ecdsaPrivateKeyWithParams is a ECDSA Private Key with included EC Parameters block
// openssl ecparam -name prime256v1 -genkey -out ecdsa256params.pem
ecdsaPrivateKeyWithParams = `-----BEGIN EC PARAMETERS-----
BggqhkjOPQMBBw==
-----END EC PARAMETERS-----
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIAwSOWQqlMTZNqNF7tgua812Jxib1DVOgb2pHHyIEyNNoAoGCCqGSM49
AwEHoUQDQgAEyxYNrs6a6tsNCFNYn+l+JDUZ0PnUZbcsDgJn2O62D1se8M5iQ5rY
iIv6RpxE3VHvlHEIvYgCZkG0jHszTUopBg==
-----END EC PRIVATE KEY-----`
// ecdsaPrivateKey is a ECDSA Private Key in ASN.1 format
// openssl ecparam -name prime256v1 -genkey -noout -out ecdsa256.pem
ecdsaPrivateKey = `-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIP6Qw6dHDiLsSnLXUhQVTPE0fTQQrj3XSbiQAZPXnk5+oAoGCCqGSM49
AwEHoUQDQgAEZZzi1u5f2/AEGFI/HYUhU+u6cTK1q2bbtE7r1JMK+/sQA5sNAp+7
Vdc3psr1OaNzyTyuhTECyRdFKXm63cMnGg==
-----END EC PRIVATE KEY-----`
// ecdsaPublicKey is a ECDSA Public Key in PEM encoded format
// openssl ec -in ecdsa256.pem -pubout -out ecdsa256pub.pem
ecdsaPublicKey = `-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEZZzi1u5f2/AEGFI/HYUhU+u6cTK1
q2bbtE7r1JMK+/sQA5sNAp+7Vdc3psr1OaNzyTyuhTECyRdFKXm63cMnGg==
-----END PUBLIC KEY-----`
)
func TestReadPrivateKey(t *testing.T) {
f, err := ioutil.TempFile("", "")
if err != nil {
t.Fatalf("error creating tmpfile: %v", err)
}
defer os.Remove(f.Name())
if _, err := PrivateKeyFromFile(f.Name()); err == nil {
t.Fatalf("Expected error reading key from empty file, got none")
}
if err := ioutil.WriteFile(f.Name(), []byte(rsaPrivateKey), os.FileMode(0600)); err != nil {
t.Fatalf("error writing private key to tmpfile: %v", err)
}
if _, err := PrivateKeyFromFile(f.Name()); err != nil {
t.Fatalf("error reading private RSA key: %v", err)
}
if err := ioutil.WriteFile(f.Name(), []byte(ecdsaPrivateKey), os.FileMode(0600)); err != nil {
t.Fatalf("error writing private key to tmpfile: %v", err)
}
if _, err := PrivateKeyFromFile(f.Name()); err != nil {
t.Fatalf("error reading private ECDSA key: %v", err)
}
if err := ioutil.WriteFile(f.Name(), []byte(ecdsaPrivateKeyWithParams), os.FileMode(0600)); err != nil {
t.Fatalf("error writing private key to tmpfile: %v", err)
}
if _, err := PrivateKeyFromFile(f.Name()); err != nil {
t.Fatalf("error reading private ECDSA key with params: %v", err)
}
}
func TestReadPublicKeys(t *testing.T) {
f, err := ioutil.TempFile("", "")
if err != nil {
t.Fatalf("error creating tmpfile: %v", err)
}
defer os.Remove(f.Name())
if _, err := PublicKeysFromFile(f.Name()); err == nil {
t.Fatalf("Expected error reading keys from empty file, got none")
}
if err := ioutil.WriteFile(f.Name(), []byte(rsaPublicKey), os.FileMode(0600)); err != nil {
t.Fatalf("error writing public key to tmpfile: %v", err)
}
if keys, err := PublicKeysFromFile(f.Name()); err != nil {
t.Fatalf("error reading RSA public key: %v", err)
} else if len(keys) != 1 {
t.Fatalf("expected 1 key, got %d", len(keys))
}
if err := ioutil.WriteFile(f.Name(), []byte(ecdsaPublicKey), os.FileMode(0600)); err != nil {
t.Fatalf("error writing public key to tmpfile: %v", err)
}
if keys, err := PublicKeysFromFile(f.Name()); err != nil {
t.Fatalf("error reading ECDSA public key: %v", err)
} else if len(keys) != 1 {
t.Fatalf("expected 1 key, got %d", len(keys))
}
if err := ioutil.WriteFile(f.Name(), []byte(rsaPublicKey+"\n"+ecdsaPublicKey), os.FileMode(0600)); err != nil {
t.Fatalf("error writing public key to tmpfile: %v", err)
}
if keys, err := PublicKeysFromFile(f.Name()); err != nil {
t.Fatalf("error reading combined RSA/ECDSA public key file: %v", err)
} else if len(keys) != 2 {
t.Fatalf("expected 2 keys, got %d", len(keys))
}
if err := ioutil.WriteFile(f.Name(), []byte(certificate), os.FileMode(0600)); err != nil {
t.Fatalf("error writing certificate to tmpfile: %v", err)
}
if keys, err := PublicKeysFromFile(f.Name()); err != nil {
t.Fatalf("error reading public key from certificate file: %v", err)
} else if len(keys) != 1 {
t.Fatalf("expected 1 keys, got %d", len(keys))
}
}

6
vendor/k8s.io/client-go/util/cert/testdata/dontUseThisKey.pem generated vendored Normal file
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@ -0,0 +1,6 @@
-----BEGIN EC PRIVATE KEY-----
MIGkAgEBBDAPEbSXwyDfWf0+61Oofd7aHkmdX69mrzD2Xb1CHF5syfsoRIhnG0dJ
ozBulPZCDDWgBwYFK4EEACKhZANiAATjlMJAtKhEPqU/i7MsrgKcK/RmXHC6He7W
0p69+9qFXg2raJ9zvvbKxkiu2ELOYRDAz0utcFTBOIgoUJEzBVmsjZQ7dvFa1BKP
Ym7MFAKG3O2espBqXn+audgdHGh5B0I=
-----END EC PRIVATE KEY-----

26
vendor/k8s.io/client-go/util/cert/triple/BUILD generated vendored Normal file
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@ -0,0 +1,26 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
)
go_library(
name = "go_default_library",
srcs = ["triple.go"],
importpath = "k8s.io/client-go/util/cert/triple",
deps = ["//vendor/k8s.io/client-go/util/cert:go_default_library"],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

116
vendor/k8s.io/client-go/util/cert/triple/triple.go generated vendored Normal file
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@ -0,0 +1,116 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package triple generates key-certificate pairs for the
// triple (CA, Server, Client).
package triple
import (
"crypto/rsa"
"crypto/x509"
"fmt"
"net"
certutil "k8s.io/client-go/util/cert"
)
type KeyPair struct {
Key *rsa.PrivateKey
Cert *x509.Certificate
}
func NewCA(name string) (*KeyPair, error) {
key, err := certutil.NewPrivateKey()
if err != nil {
return nil, fmt.Errorf("unable to create a private key for a new CA: %v", err)
}
config := certutil.Config{
CommonName: name,
}
cert, err := certutil.NewSelfSignedCACert(config, key)
if err != nil {
return nil, fmt.Errorf("unable to create a self-signed certificate for a new CA: %v", err)
}
return &KeyPair{
Key: key,
Cert: cert,
}, nil
}
func NewServerKeyPair(ca *KeyPair, commonName, svcName, svcNamespace, dnsDomain string, ips, hostnames []string) (*KeyPair, error) {
key, err := certutil.NewPrivateKey()
if err != nil {
return nil, fmt.Errorf("unable to create a server private key: %v", err)
}
namespacedName := fmt.Sprintf("%s.%s", svcName, svcNamespace)
internalAPIServerFQDN := []string{
svcName,
namespacedName,
fmt.Sprintf("%s.svc", namespacedName),
fmt.Sprintf("%s.svc.%s", namespacedName, dnsDomain),
}
altNames := certutil.AltNames{}
for _, ipStr := range ips {
ip := net.ParseIP(ipStr)
if ip != nil {
altNames.IPs = append(altNames.IPs, ip)
}
}
altNames.DNSNames = append(altNames.DNSNames, hostnames...)
altNames.DNSNames = append(altNames.DNSNames, internalAPIServerFQDN...)
config := certutil.Config{
CommonName: commonName,
AltNames: altNames,
Usages: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
}
cert, err := certutil.NewSignedCert(config, key, ca.Cert, ca.Key)
if err != nil {
return nil, fmt.Errorf("unable to sign the server certificate: %v", err)
}
return &KeyPair{
Key: key,
Cert: cert,
}, nil
}
func NewClientKeyPair(ca *KeyPair, commonName string, organizations []string) (*KeyPair, error) {
key, err := certutil.NewPrivateKey()
if err != nil {
return nil, fmt.Errorf("unable to create a client private key: %v", err)
}
config := certutil.Config{
CommonName: commonName,
Organization: organizations,
Usages: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
}
cert, err := certutil.NewSignedCert(config, key, ca.Cert, ca.Key)
if err != nil {
return nil, fmt.Errorf("unable to sign the client certificate: %v", err)
}
return &KeyPair{
Key: key,
Cert: cert,
}, nil
}