File size: 3,400 Bytes
7259a41 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | package utils
import (
"crypto/tls"
"log"
"net/http"
"os"
"os/exec"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
const (
testListen = "127.82.39.147:12947"
testCAFile = "./testcerts/ca"
testCertFile = "./testcerts/cert"
testKeyFile = "./testcerts/key"
)
func TestCertificateLoaderPathError(t *testing.T) {
assert.NoError(t, os.RemoveAll(testCertFile))
assert.NoError(t, os.RemoveAll(testKeyFile))
loader := LocalCertificateLoader{
CertFile: testCertFile,
KeyFile: testKeyFile,
SNIGuard: SNIGuardStrict,
}
err := loader.InitializeCache()
var pathErr *os.PathError
assert.ErrorAs(t, err, &pathErr)
}
func TestCertificateLoaderFullChain(t *testing.T) {
assert.NoError(t, generateTestCertificate([]string{"example.com"}, "fullchain"))
loader := LocalCertificateLoader{
CertFile: testCertFile,
KeyFile: testKeyFile,
SNIGuard: SNIGuardStrict,
}
assert.NoError(t, loader.InitializeCache())
lis, err := tls.Listen("tcp", testListen, &tls.Config{
GetCertificate: loader.GetCertificate,
})
assert.NoError(t, err)
defer lis.Close()
go http.Serve(lis, nil)
assert.Error(t, runTestTLSClient("unmatched-sni.example.com"))
assert.Error(t, runTestTLSClient(""))
assert.NoError(t, runTestTLSClient("example.com"))
}
func TestCertificateLoaderNoSAN(t *testing.T) {
assert.NoError(t, generateTestCertificate(nil, "selfsign"))
loader := LocalCertificateLoader{
CertFile: testCertFile,
KeyFile: testKeyFile,
SNIGuard: SNIGuardDNSSAN,
}
assert.NoError(t, loader.InitializeCache())
lis, err := tls.Listen("tcp", testListen, &tls.Config{
GetCertificate: loader.GetCertificate,
})
assert.NoError(t, err)
defer lis.Close()
go http.Serve(lis, nil)
assert.NoError(t, runTestTLSClient(""))
}
func TestCertificateLoaderReplaceCertificate(t *testing.T) {
assert.NoError(t, generateTestCertificate([]string{"example.com"}, "fullchain"))
loader := LocalCertificateLoader{
CertFile: testCertFile,
KeyFile: testKeyFile,
SNIGuard: SNIGuardStrict,
}
assert.NoError(t, loader.InitializeCache())
lis, err := tls.Listen("tcp", testListen, &tls.Config{
GetCertificate: loader.GetCertificate,
})
assert.NoError(t, err)
defer lis.Close()
go http.Serve(lis, nil)
assert.NoError(t, runTestTLSClient("example.com"))
assert.Error(t, runTestTLSClient("2.example.com"))
assert.NoError(t, generateTestCertificate([]string{"2.example.com"}, "fullchain"))
assert.Error(t, runTestTLSClient("example.com"))
assert.NoError(t, runTestTLSClient("2.example.com"))
}
func generateTestCertificate(dnssan []string, certType string) error {
args := []string{
"certloader_test_gencert.py",
"--ca", testCAFile,
"--cert", testCertFile,
"--key", testKeyFile,
"--type", certType,
}
if len(dnssan) > 0 {
args = append(args, "--dnssan", strings.Join(dnssan, ","))
}
cmd := exec.Command("python", args...)
out, err := cmd.CombinedOutput()
if err != nil {
log.Printf("Failed to generate test certificate: %s", out)
return err
}
return nil
}
func runTestTLSClient(sni string) error {
args := []string{
"certloader_test_tlsclient.py",
"--server", testListen,
"--ca", testCAFile,
}
if sni != "" {
args = append(args, "--sni", sni)
}
cmd := exec.Command("python", args...)
out, err := cmd.CombinedOutput()
if err != nil {
log.Printf("Failed to run test TLS client: %s", out)
return err
}
return nil
}
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