124 lines
3.7 KiB
Go
124 lines
3.7 KiB
Go
// Copyright (c) 2013-2015 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package btcutil_test
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import (
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"crypto/x509"
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"encoding/pem"
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"net"
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"testing"
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"time"
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"github.com/btcsuite/btcutil"
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//"github.com/davecgh/go-spew/spew"
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)
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// TestNewTLSCertPair ensures the NewTLSCertPair function works as expected.
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func TestNewTLSCertPair(t *testing.T) {
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// Certs don't support sub-second precision, so truncate it now to
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// ensure the checks later don't fail due to nanosecond precision
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// differences.
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validUntil := time.Unix(time.Now().Add(10*365*24*time.Hour).Unix(), 0)
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org := "test autogenerated cert"
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extraHosts := []string{"testtlscert.bogus", "localhost", "127.0.0.1"}
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cert, key, err := btcutil.NewTLSCertPair(org, validUntil, extraHosts)
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if err != nil {
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t.Fatalf("failed with unexpected error: %v", err)
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}
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// Ensure the PEM-encoded cert that is returned can be decoded.
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pemCert, _ := pem.Decode(cert)
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if pemCert == nil {
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t.Fatalf("pem.Decode was unable to decode the certificate")
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}
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// Ensure the PEM-encoded key that is returned can be decoded.
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pemKey, _ := pem.Decode(key)
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if pemCert == nil {
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t.Fatalf("pem.Decode was unable to decode the key")
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}
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// Ensure the DER-encoded key bytes can be successfully parsed.
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_, err = x509.ParseECPrivateKey(pemKey.Bytes)
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if err != nil {
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t.Fatalf("failed with unexpected error: %v", err)
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}
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// Ensure the DER-encoded cert bytes can be successfully into an X.509
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// certificate.
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x509Cert, err := x509.ParseCertificate(pemCert.Bytes)
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if err != nil {
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t.Fatalf("failed with unexpected error: %v", err)
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}
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// Ensure the specified organization is correct.
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x509Orgs := x509Cert.Subject.Organization
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if len(x509Orgs) == 0 || x509Orgs[0] != org {
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x509Org := "<no organization>"
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if len(x509Orgs) > 0 {
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x509Org = x509Orgs[0]
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}
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t.Fatalf("generated cert organization field mismatch, got "+
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"'%v', want '%v'", x509Org, org)
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}
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// Ensure the specified valid until value is correct.
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if !x509Cert.NotAfter.Equal(validUntil) {
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t.Fatalf("generated cert valid until field mismatch, got %v, "+
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"want %v", x509Cert.NotAfter, validUntil)
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}
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// Ensure the specified extra hosts are present.
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for _, host := range extraHosts {
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if err := x509Cert.VerifyHostname(host); err != nil {
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t.Fatalf("failed to verify extra host '%s'", host)
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}
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}
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// Ensure that the Common Name is also the first SAN DNS name.
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cn := x509Cert.Subject.CommonName
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san0 := x509Cert.DNSNames[0]
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if cn != san0 {
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t.Errorf("common name %s does not match first SAN %s", cn, san0)
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}
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// Ensure there are no duplicate hosts or IPs.
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hostCounts := make(map[string]int)
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for _, host := range x509Cert.DNSNames {
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hostCounts[host]++
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}
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ipCounts := make(map[string]int)
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for _, ip := range x509Cert.IPAddresses {
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ipCounts[string(ip)]++
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}
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for host, count := range hostCounts {
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if count != 1 {
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t.Errorf("host %s appears %d times in certificate", host, count)
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}
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}
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for ipStr, count := range ipCounts {
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if count != 1 {
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t.Errorf("ip %s appears %d times in certificate", net.IP(ipStr), count)
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}
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}
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// Ensure the cert can be use for the intended purposes.
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if !x509Cert.IsCA {
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t.Fatal("generated cert is not a certificate authority")
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}
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if x509Cert.KeyUsage&x509.KeyUsageKeyEncipherment == 0 {
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t.Fatal("generated cert can't be used for key encipherment")
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}
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if x509Cert.KeyUsage&x509.KeyUsageDigitalSignature == 0 {
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t.Fatal("generated cert can't be used for digital signatures")
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}
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if x509Cert.KeyUsage&x509.KeyUsageCertSign == 0 {
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t.Fatal("generated cert can't be used for signing other certs")
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}
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if !x509Cert.BasicConstraintsValid {
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t.Fatal("generated cert does not have valid basic constraints")
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}
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}
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