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check hosts in ssl certificates

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This commit is contained in:
Mikaël Cluseau
2018-08-09 15:07:53 +02:00
parent 481115e0d0
commit 331f9ea96c
362 changed files with 2499 additions and 59344 deletions
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744
vendor/github.com/cloudflare/cfssl/csr/csr_test.go generated vendored
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@ -1,744 +0,0 @@
package csr
import (
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rsa"
"crypto/x509"
"encoding/asn1"
"encoding/pem"
"io/ioutil"
"testing"
"github.com/cloudflare/cfssl/errors"
"github.com/cloudflare/cfssl/helpers"
)
//TestNew validate the CertificateRequest created to return with a BasicKeyRequest
//in KeyRequest field
func TestNew(t *testing.T) {
if cr := New(); cr.KeyRequest == nil {
t.Fatalf("Should create a new, empty certificate request with BasicKeyRequest")
}
}
// TestBasicKeyRequest ensures that key generation returns the same type of
// key specified in the BasicKeyRequest.
func TestBasicKeyRequest(t *testing.T) {
kr := NewBasicKeyRequest()
priv, err := kr.Generate()
if err != nil {
t.Fatalf("%v", err)
}
switch priv.(type) {
case *rsa.PrivateKey:
if kr.Algo() != "rsa" {
t.Fatal("RSA key generated, but expected", kr.Algo())
}
case *ecdsa.PrivateKey:
if kr.Algo() != "ecdsa" {
t.Fatal("ECDSA key generated, but expected", kr.Algo())
}
}
}
// TestPKIXName validates building a pkix.Name structure from a
// CertificateRequest.
func TestPKIXName(t *testing.T) {
var cr = &CertificateRequest{
CN: "Test Common Name",
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare, Inc.",
OU: "Systems Engineering",
},
{
C: "GB",
ST: "London",
L: "London",
O: "CloudFlare, Inc",
OU: "Systems Engineering",
},
},
Hosts: []string{"cloudflare.com", "www.cloudflare.com"},
KeyRequest: NewBasicKeyRequest(),
}
name := cr.Name()
if len(name.Country) != 2 {
t.Fatal("Expected two countries in SubjInfo.")
} else if len(name.Province) != 2 {
t.Fatal("Expected two states in SubjInfo.")
} else if len(name.Locality) != 2 {
t.Fatal("Expected two localities in SubjInfo.")
} else if len(name.Country) != 2 {
t.Fatal("Expected two countries in SubjInfo.")
} else if len(name.Organization) != 2 {
t.Fatal("Expected two organization in SubjInfo.")
} else if len(name.OrganizationalUnit) != 2 {
t.Fatal("Expected two organizational units in SubjInfo.")
}
}
// TestParseRequest ensures that a valid certificate request does not
// error.
func TestParseRequest(t *testing.T) {
var cr = &CertificateRequest{
CN: "Test Common Name",
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare, Inc.",
OU: "Systems Engineering",
},
{
C: "GB",
ST: "London",
L: "London",
O: "CloudFlare, Inc",
OU: "Systems Engineering",
},
},
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "192.168.0.1", "jdoe@example.com"},
KeyRequest: NewBasicKeyRequest(),
}
_, _, err := ParseRequest(cr)
if err != nil {
t.Fatalf("%v", err)
}
}
// TestParseRequestCA ensures that a valid CA certificate request does not
// error and the resulting CSR includes the BasicConstraint extension
func TestParseRequestCA(t *testing.T) {
var cr = &CertificateRequest{
CN: "Test Common Name",
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare, Inc.",
OU: "Systems Engineering",
},
{
C: "GB",
ST: "London",
L: "London",
O: "CloudFlare, Inc",
OU: "Systems Engineering",
},
},
CA: &CAConfig{
PathLength: 0,
PathLenZero: true,
},
KeyRequest: NewBasicKeyRequest(),
}
csrBytes, _, err := ParseRequest(cr)
if err != nil {
t.Fatalf("%v", err)
}
block, _ := pem.Decode(csrBytes)
if block == nil {
t.Fatalf("%v", err)
}
if block.Type != "CERTIFICATE REQUEST" {
t.Fatalf("Incorrect block type: %s", block.Type)
}
csr, err := x509.ParseCertificateRequest(block.Bytes)
if err != nil {
t.Fatalf("%v", err)
}
found := false
for _, ext := range csr.Extensions {
if ext.Id.Equal(asn1.ObjectIdentifier{2, 5, 29, 19}) {
found = true
break
}
}
if !found {
t.Fatalf("CSR did not include BasicConstraint Extension")
}
}
// TestParseRequestCANoPathlen ensures that a valid CA certificate request
// with an unspecified pathlen does not error and the resulting CSR includes
// the BasicConstraint extension
func TestParseRequestCANoPathlen(t *testing.T) {
var cr = &CertificateRequest{
CN: "Test Common Name",
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare, Inc.",
OU: "Systems Engineering",
},
{
C: "GB",
ST: "London",
L: "London",
O: "CloudFlare, Inc",
OU: "Systems Engineering",
},
},
CA: &CAConfig{
PathLength: 0,
PathLenZero: false,
},
KeyRequest: NewBasicKeyRequest(),
}
csrBytes, _, err := ParseRequest(cr)
if err != nil {
t.Fatalf("%v", err)
}
block, _ := pem.Decode(csrBytes)
if block == nil {
t.Fatalf("%v", err)
}
if block.Type != "CERTIFICATE REQUEST" {
t.Fatalf("Incorrect block type: %s", block.Type)
}
csr, err := x509.ParseCertificateRequest(block.Bytes)
if err != nil {
t.Fatalf("%v", err)
}
found := false
for _, ext := range csr.Extensions {
if ext.Id.Equal(asn1.ObjectIdentifier{2, 5, 29, 19}) {
bc := &BasicConstraints{}
asn1.Unmarshal(ext.Value, bc)
if bc.IsCA == true && bc.MaxPathLen == -1 {
found = true
break
}
}
}
if !found {
t.Fatalf("CSR did not include BasicConstraint Extension")
}
}
func whichCurve(sz int) elliptic.Curve {
switch sz {
case 256:
return elliptic.P256()
case 384:
return elliptic.P384()
case 521:
return elliptic.P521()
}
return nil
}
// TestECGeneration ensures that the proper curve is used depending on
// the bit size specified in a key request and that an appropriate
// signature algorithm is returned.
func TestECGeneration(t *testing.T) {
var eckey *ecdsa.PrivateKey
for _, sz := range []int{256, 384, 521} {
kr := &BasicKeyRequest{"ecdsa", sz}
priv, err := kr.Generate()
if err != nil {
t.Fatalf("%v", err)
}
eckey = priv.(*ecdsa.PrivateKey)
if eckey.Curve != whichCurve(sz) {
t.Fatal("Generated key has wrong curve.")
}
if sa := kr.SigAlgo(); sa == x509.UnknownSignatureAlgorithm {
t.Fatal("Invalid signature algorithm!")
}
}
}
func TestRSAKeyGeneration(t *testing.T) {
var rsakey *rsa.PrivateKey
for _, sz := range []int{2048, 3072, 4096} {
kr := &BasicKeyRequest{"rsa", sz}
priv, err := kr.Generate()
if err != nil {
t.Fatalf("%v", err)
}
rsakey = priv.(*rsa.PrivateKey)
if rsakey.PublicKey.N.BitLen() != kr.Size() {
t.Fatal("Generated key has wrong size.")
}
if sa := kr.SigAlgo(); sa == x509.UnknownSignatureAlgorithm {
t.Fatal("Invalid signature algorithm!")
}
}
}
// TestBadBasicKeyRequest ensures that generating a key from a BasicKeyRequest
// fails with an invalid algorithm, or an invalid RSA or ECDSA key
// size. An invalid ECDSA key size is any size other than 256, 384, or
// 521; an invalid RSA key size is any size less than 2048 bits.
func TestBadBasicKeyRequest(t *testing.T) {
kr := &BasicKeyRequest{"yolocrypto", 1024}
if _, err := kr.Generate(); err == nil {
t.Fatal("Key generation should fail with invalid algorithm")
} else if sa := kr.SigAlgo(); sa != x509.UnknownSignatureAlgorithm {
t.Fatal("The wrong signature algorithm was returned from SigAlgo!")
}
kr.A = "ecdsa"
if _, err := kr.Generate(); err == nil {
t.Fatal("Key generation should fail with invalid key size")
} else if sa := kr.SigAlgo(); sa != x509.ECDSAWithSHA1 {
t.Fatal("The wrong signature algorithm was returned from SigAlgo!")
}
kr.A = "rsa"
if _, err := kr.Generate(); err == nil {
t.Fatal("Key generation should fail with invalid key size")
} else if sa := kr.SigAlgo(); sa != x509.SHA1WithRSA {
t.Fatal("The wrong signature algorithm was returned from SigAlgo!")
}
kr = &BasicKeyRequest{"tobig", 9216}
kr.A = "rsa"
if _, err := kr.Generate(); err == nil {
t.Fatal("Key generation should fail with invalid key size")
} else if sa := kr.SigAlgo(); sa != x509.SHA512WithRSA {
t.Fatal("The wrong signature algorithm was returned from SigAlgo!")
}
}
// TestDefaultBasicKeyRequest makes sure that certificate requests without
// explicit key requests fall back to the default key request.
func TestDefaultBasicKeyRequest(t *testing.T) {
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "jdoe@example.com"},
}
_, priv, err := ParseRequest(req)
if err != nil {
t.Fatalf("%v", err)
}
// If the default key type changes, this will need to be changed.
block, _ := pem.Decode(priv)
if block == nil {
t.Fatal("Bad private key was generated!")
}
DefaultKeyRequest := NewBasicKeyRequest()
switch block.Type {
case "RSA PRIVATE KEY":
if DefaultKeyRequest.Algo() != "rsa" {
t.Fatal("Invalid default key request.")
}
case "EC PRIVATE KEY":
if DefaultKeyRequest.Algo() != "ecdsa" {
t.Fatal("Invalid default key request.")
}
}
}
// TestRSACertRequest validates parsing a certificate request with an
// RSA key.
func TestRSACertRequest(t *testing.T) {
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "jdoe@example.com"},
KeyRequest: &BasicKeyRequest{"rsa", 2048},
}
_, _, err := ParseRequest(req)
if err != nil {
t.Fatalf("%v", err)
}
}
// TestBadCertRequest checks for failure conditions of ParseRequest.
func TestBadCertRequest(t *testing.T) {
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com"},
KeyRequest: &BasicKeyRequest{"yolo-crypto", 2048},
}
_, _, err := ParseRequest(req)
if err == nil {
t.Fatal("ParseRequest should fail with a bad key algorithm.")
}
}
// testValidator is a stripped-down validator that checks to make sure
// the request has a common name. It should mimic some of the
// functionality expected in an actual validator.
func testValidator(req *CertificateRequest) error {
if req.CN == "" {
return errors.NewBadRequestMissingParameter("CN")
}
return nil
}
// TestGenerator ensures that a valid request is processed properly
// and returns a certificate request and key.
func TestGenerator(t *testing.T) {
g := &Generator{testValidator}
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "192.168.0.1", "jdoe@example.com"},
KeyRequest: &BasicKeyRequest{"rsa", 2048},
}
csrBytes, _, err := g.ProcessRequest(req)
if err != nil {
t.Fatal(err)
}
block, _ := pem.Decode([]byte(csrBytes))
if block == nil {
t.Fatalf("bad CSR in PEM")
}
if block.Type != "CERTIFICATE REQUEST" {
t.Fatalf("bad CSR in PEM")
}
csr, err := x509.ParseCertificateRequest(block.Bytes)
if err != nil {
t.Fatal(err)
}
if len(csr.DNSNames) != 2 {
t.Fatal("SAN parsing error")
}
if len(csr.IPAddresses) != 1 {
t.Fatal("SAN parsing error")
}
if len(csr.EmailAddresses) != 1 {
t.Fatal("SAN parsing error")
}
}
// TestBadGenerator ensures that a request that fails the validator is
// not processed.
func TestBadGenerator(t *testing.T) {
g := &Generator{testValidator}
missingCN := &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
// Missing CN
Hosts: []string{"cloudflare.com", "www.cloudflare.com"},
KeyRequest: &BasicKeyRequest{"rsa", 2048},
}
_, _, err := g.ProcessRequest(missingCN)
if err == nil {
t.Fatalf("Request should have failed.")
}
}
func TestWeakCSR(t *testing.T) {
weakKey := &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "jdoe@example.com"},
KeyRequest: &BasicKeyRequest{"rsa", 1024},
}
g := &Generator{testValidator}
_, _, err := g.ProcessRequest(weakKey)
if err == nil {
t.Fatalf("Request should have failed.")
}
}
var testEmpty = []struct {
name Name
ok bool
}{
{
Name{},
true,
},
{
Name{C: "OK"},
false,
},
{
Name{ST: "OK"},
false,
},
{
Name{L: "OK"},
false,
},
{
Name{O: "OK"},
false,
},
{
Name{OU: "OK"},
false,
},
}
func TestIsNameEmpty(t *testing.T) {
for i, c := range testEmpty {
if IsNameEmpty(c.name) != c.ok {
t.Fatalf("%d: expected IsNameEmpty to return %v, but have %v", i, c.ok, !c.ok)
}
}
}
func TestGenerate(t *testing.T) {
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "192.168.0.1", "jdoe@example.com"},
KeyRequest: &BasicKeyRequest{"ecdsa", 256},
}
key, err := req.KeyRequest.Generate()
if err != nil {
t.Fatalf("%v", err)
}
priv, ok := key.(crypto.Signer)
if !ok {
t.Fatal("Private key is not a signer.")
}
csrPEM, err := Generate(priv, req)
if err != nil {
t.Fatalf("%v", err)
}
csr, _, err := helpers.ParseCSR(csrPEM)
if err != nil {
t.Fatalf("%v", err)
}
if len(csr.DNSNames) != 2 {
t.Fatal("SAN parsing error")
}
if len(csr.IPAddresses) != 1 {
t.Fatal("SAN parsing error")
}
if len(csr.EmailAddresses) != 1 {
t.Fatal("SAN parsing error")
}
}
// TestReGenerate ensures Regenerate() is abel to use the provided CSR as a template for signing a new
// CSR using priv.
func TestReGenerate(t *testing.T) {
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "192.168.0.1"},
KeyRequest: &BasicKeyRequest{"ecdsa", 256},
}
_, key, err := ParseRequest(req)
if err != nil {
t.Fatalf("%v", err)
}
priv, err := helpers.ParsePrivateKeyPEM(key)
if err != nil {
t.Fatalf("%v", err)
}
csr, err := Generate(priv, req)
if err != nil {
t.Fatalf("%v", err)
}
if _, _, err = helpers.ParseCSR(csr); err != nil {
t.Fatalf("%v", err)
}
_, err = Regenerate(priv, csr)
if err != nil {
t.Fatalf("%v", err)
}
}
// TestBadReGenerator ensures that a request that fails the ParseCSR is
// not processed.
func TestBadReGenerate(t *testing.T) {
var req = &CertificateRequest{
Names: []Name{
{
C: "US",
ST: "California",
L: "San Francisco",
O: "CloudFlare",
OU: "Systems Engineering",
},
},
CN: "cloudflare.com",
Hosts: []string{"cloudflare.com", "www.cloudflare.com", "192.168.0.1"},
KeyRequest: &BasicKeyRequest{"ecdsa", 256},
}
_, key, err := ParseRequest(req)
if err != nil {
t.Fatalf("%v", err)
}
priv, err := helpers.ParsePrivateKeyPEM(key)
if err != nil {
t.Fatalf("%v", err)
}
csr, err := Generate(priv, req)
if err != nil {
t.Fatalf("%v", err)
}
block := pem.Block{
Type: "CERTIFICATE REQUEST",
Headers: map[string]string{
"Location": "UCSD",
},
Bytes: csr,
}
csr = pem.EncodeToMemory(&block)
_, err = Regenerate(priv, csr)
if err == nil {
t.Fatalf("%v", err)
}
}
var testECDSACertificateFile = "testdata/test-ecdsa-ca.pem"
func TestExtractCertificateRequest(t *testing.T) {
certPEM, err := ioutil.ReadFile(testECDSACertificateFile)
if err != nil {
t.Fatal(err)
}
// must parse ok
cert, err := helpers.ParseCertificatePEM(certPEM)
if err != nil {
t.Fatal(err)
}
req := ExtractCertificateRequest(cert)
if req.CN != "" {
t.Fatal("Bad Certificate Request!")
}
if len(req.Names) != 1 {
t.Fatal("Bad Certificate Request!")
}
name := req.Names[0]
if name.C != "US" || name.ST != "California" || name.O != "CloudFlare, Inc." ||
name.OU != "Test Certificate Authority" || name.L != "San Francisco" {
t.Fatal("Bad Certificate Request!")
}
if req.CA == nil || req.CA.PathLength != 2 {
t.Fatal("Bad Certificate Request!")
}
}

15
vendor/github.com/cloudflare/cfssl/csr/testdata/test-ecdsa-ca.pem generated vendored
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@ -1,15 +0,0 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----