135 lines
3.5 KiB
Go
135 lines
3.5 KiB
Go
package connect
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// hasOpenSSL is used to determine if the openssl CLI exists for unit tests.
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var hasOpenSSL bool
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func init() {
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goodParams = []KeyConfig{
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{keyType: "rsa", keyBits: 2048},
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{keyType: "rsa", keyBits: 4096},
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{keyType: "ec", keyBits: 224},
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{keyType: "ec", keyBits: 256},
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{keyType: "ec", keyBits: 384},
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{keyType: "ec", keyBits: 521},
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}
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_, err := exec.LookPath("openssl")
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hasOpenSSL = err == nil
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}
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// Test that the TestCA and TestLeaf functions generate valid certificates.
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func testCAAndLeaf(t *testing.T, keyType string, keyBits int) {
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if !hasOpenSSL {
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t.Skip("openssl not found")
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return
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}
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require := require.New(t)
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// Create the certs
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ca := TestCAWithKeyType(t, nil, keyType, keyBits)
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leaf, _ := TestLeaf(t, "web", ca)
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// Create a temporary directory for storing the certs
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td, err := ioutil.TempDir("", "consul")
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require.NoError(err)
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defer os.RemoveAll(td)
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// Write the cert
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require.NoError(ioutil.WriteFile(filepath.Join(td, "ca.pem"), []byte(ca.RootCert), 0644))
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require.NoError(ioutil.WriteFile(filepath.Join(td, "leaf.pem"), []byte(leaf[:]), 0644))
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// Use OpenSSL to verify so we have an external, known-working process
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// that can verify this outside of our own implementations.
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cmd := exec.Command(
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"openssl", "verify", "-verbose", "-CAfile", "ca.pem", "leaf.pem")
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cmd.Dir = td
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output, err := cmd.Output()
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t.Log("STDOUT:", string(output))
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if ee, ok := err.(*exec.ExitError); ok {
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t.Log("STDERR:", string(ee.Stderr))
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}
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require.NoError(err)
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}
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// Test cross-signing.
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func testCAAndLeaf_xc(t *testing.T, keyType string, keyBits int) {
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if !hasOpenSSL {
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t.Skip("openssl not found")
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return
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}
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assert := assert.New(t)
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// Create the certs
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ca1 := TestCAWithKeyType(t, nil, keyType, keyBits)
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ca2 := TestCAWithKeyType(t, ca1, keyType, keyBits)
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leaf1, _ := TestLeaf(t, "web", ca1)
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leaf2, _ := TestLeaf(t, "web", ca2)
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// Create a temporary directory for storing the certs
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td, err := ioutil.TempDir("", "consul")
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assert.Nil(err)
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defer os.RemoveAll(td)
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// Write the cert
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xcbundle := []byte(ca1.RootCert)
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xcbundle = append(xcbundle, '\n')
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xcbundle = append(xcbundle, []byte(ca2.SigningCert)...)
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assert.Nil(ioutil.WriteFile(filepath.Join(td, "ca.pem"), xcbundle, 0644))
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assert.Nil(ioutil.WriteFile(filepath.Join(td, "leaf1.pem"), []byte(leaf1), 0644))
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assert.Nil(ioutil.WriteFile(filepath.Join(td, "leaf2.pem"), []byte(leaf2), 0644))
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// OpenSSL verify the cross-signed leaf (leaf2)
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{
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cmd := exec.Command(
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"openssl", "verify", "-verbose", "-CAfile", "ca.pem", "leaf2.pem")
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cmd.Dir = td
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output, err := cmd.Output()
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t.Log(string(output))
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assert.Nil(err)
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}
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// OpenSSL verify the old leaf (leaf1)
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{
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cmd := exec.Command(
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"openssl", "verify", "-verbose", "-CAfile", "ca.pem", "leaf1.pem")
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cmd.Dir = td
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output, err := cmd.Output()
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t.Log(string(output))
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assert.Nil(err)
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}
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}
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func TestTestCAAndLeaf(t *testing.T) {
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t.Parallel()
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for _, params := range goodParams {
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t.Run(fmt.Sprintf("TestTestCAAndLeaf-%s-%d", params.keyType, params.keyBits),
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func(t *testing.T) {
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testCAAndLeaf(t, params.keyType, params.keyBits)
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})
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}
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}
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func TestTestCAAndLeaf_xc(t *testing.T) {
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t.Parallel()
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for _, params := range goodParams {
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t.Run(fmt.Sprintf("TestTestCAAndLeaf_xc-%s-%d", params.keyType, params.keyBits),
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func(t *testing.T) {
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testCAAndLeaf_xc(t, params.keyType, params.keyBits)
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})
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}
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}
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