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envoy: check certificates for must-staple flag and drop them if they are missing the response (#2909)

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* envoy: check certificates for must-staple flag and drop them if they are missing the response

* Update config/envoyconfig/tls_test.go

Co-authored-by: Denis Mishin <dmishin@pomerium.com>

Co-authored-by: Denis Mishin <dmishin@pomerium.com>
This commit is contained in:
Caleb Doxsey 2022-01-10 10:51:56 -07:00 • committed by GitHub
parent 58ca681f40
commit 49fb00c895
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 63 additions and 3 deletions
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9
pkg/cryptutil/certificates.go
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@ -163,7 +163,7 @@ func EncodePrivateKey(key *ecdsa.PrivateKey) ([]byte, error) {
// GenerateSelfSignedCertificate generates a self-signed TLS certificate.
//
// mostly copied from https://golang.org/src/crypto/tls/generate_cert.go
func GenerateSelfSignedCertificate(domain string) (*tls.Certificate, error) {
func GenerateSelfSignedCertificate(domain string, configure ...func(*x509.Certificate)) (*tls.Certificate, error) {
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return nil, fmt.Errorf("failed to geneate private key: %w", err)
@ -175,7 +175,7 @@ func GenerateSelfSignedCertificate(domain string) (*tls.Certificate, error) {
return nil, fmt.Errorf("failed to generate serial number: %w", err)
}
template := x509.Certificate{
template := &x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{"Pomerium"},
@ -191,9 +191,12 @@ func GenerateSelfSignedCertificate(domain string) (*tls.Certificate, error) {
} else {
template.DNSNames = append(template.DNSNames, domain)
}
for _, f := range configure {
f(template)
}
publicKeyBytes, err := x509.CreateCertificate(rand.Reader,
&template, &template,
template, template,
privateKey.Public(), privateKey,
)
if err != nil {