caddy/caddytls/handshake_test.go
Matthew Holt baf6db5b57
Apply Apache license to all .go source files (closes #1865)
I am not a lawyer, but according to the appendix of the license,
these boilerplate notices should be included with every source file.
2017-09-22 23:56:58 -06:00

71 lines
3.0 KiB
Go

// Copyright 2015 Light Code Labs, LLC
//
// 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 caddytls
import (
"crypto/tls"
"crypto/x509"
"testing"
)
func TestGetCertificate(t *testing.T) {
defer func() { certCache = make(map[string]Certificate) }()
cfg := new(Config)
hello := &tls.ClientHelloInfo{ServerName: "example.com"}
helloSub := &tls.ClientHelloInfo{ServerName: "sub.example.com"}
helloNoSNI := &tls.ClientHelloInfo{}
helloNoMatch := &tls.ClientHelloInfo{ServerName: "nomatch"}
// When cache is empty
if cert, err := cfg.GetCertificate(hello); err == nil {
t.Errorf("GetCertificate should return error when cache is empty, got: %v", cert)
}
if cert, err := cfg.GetCertificate(helloNoSNI); err == nil {
t.Errorf("GetCertificate should return error when cache is empty even if server name is blank, got: %v", cert)
}
// When cache has one certificate in it (also is default)
defaultCert := Certificate{Names: []string{"example.com", ""}, Certificate: tls.Certificate{Leaf: &x509.Certificate{DNSNames: []string{"example.com"}}}}
certCache[""] = defaultCert
certCache["example.com"] = defaultCert
if cert, err := cfg.GetCertificate(hello); err != nil {
t.Errorf("Got an error but shouldn't have, when cert exists in cache: %v", err)
} else if cert.Leaf.DNSNames[0] != "example.com" {
t.Errorf("Got wrong certificate with exact match; expected 'example.com', got: %v", cert)
}
if cert, err := cfg.GetCertificate(helloNoSNI); err != nil {
t.Errorf("Got an error with no SNI but shouldn't have, when cert exists in cache: %v", err)
} else if cert.Leaf.DNSNames[0] != "example.com" {
t.Errorf("Got wrong certificate for no SNI; expected 'example.com' as default, got: %v", cert)
}
// When retrieving wildcard certificate
certCache["*.example.com"] = Certificate{Names: []string{"*.example.com"}, Certificate: tls.Certificate{Leaf: &x509.Certificate{DNSNames: []string{"*.example.com"}}}}
if cert, err := cfg.GetCertificate(helloSub); err != nil {
t.Errorf("Didn't get wildcard cert, got: cert=%v, err=%v ", cert, err)
} else if cert.Leaf.DNSNames[0] != "*.example.com" {
t.Errorf("Got wrong certificate, expected wildcard: %v", cert)
}
// When no certificate matches, the default is returned
if cert, err := cfg.GetCertificate(helloNoMatch); err != nil {
t.Errorf("Expected default certificate with no error when no matches, got err: %v", err)
} else if cert.Leaf.DNSNames[0] != "example.com" {
t.Errorf("Expected default cert with no matches, got: %v", cert)
}
}