204 lines
7.0 KiB
Go
204 lines
7.0 KiB
Go
package config
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import (
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"bytes"
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"crypto/tls"
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"os"
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"path/filepath"
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"runtime"
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"testing"
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"time"
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)
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func TestPublishExternalTLSValidatesBeforeReplacingBundle(t *testing.T) {
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if runtime.GOOS != "linux" {
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if err := PublishExternalTLS(t.TempDir(), t.TempDir(), filepath.Join(t.TempDir(), "tls.pem")); err == nil {
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t.Fatal("unsupported platform allowed publishing a private key")
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}
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t.Skip("Linux Nginx publishing requires POSIX permission checks")
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}
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root, source, output := t.TempDir(), t.TempDir(), t.TempDir()
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for _, directory := range []string{source, output} {
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if err := os.Chmod(directory, 0700); err != nil {
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t.Fatal(err)
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}
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}
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candidate := validRuntimeConfig()
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candidate.Root.Domains = DomainConfig{Primary: "example.com", Web: "web.example.com", Accepted: []string{"example.com"}}
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candidate.Root.HTTP = HTTPConfig{Port: 15184, TLSMode: HTTPSTLSModeProxy, TrustedProxyCIDRs: []string{"127.0.0.1/32"}}
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candidate.SSL.TLS = SSLConfig{Management: SSLManagementWebServer, Mode: ManagedSSLModeUpload, CustomDirectory: "ssl"}
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writeRuntimeFixture(t, root, candidate)
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key, certificate := testManagedCertificate(t, "example.com", time.Now().Add(-time.Hour), time.Now().Add(time.Hour), 2048, "*.example.com")
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write := func(name string, data []byte) {
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t.Helper()
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if err := os.WriteFile(filepath.Join(source, name), data, 0600); err != nil {
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t.Fatal(err)
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}
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}
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write("smail.crt", certificate)
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write("smail.key", key)
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destination := filepath.Join(output, "tls.pem")
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if err := PublishExternalTLS(root, source, destination); err != nil {
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t.Fatal(err)
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}
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bundle, err := os.ReadFile(destination)
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if err != nil {
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t.Fatal(err)
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}
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if _, err := tls.X509KeyPair(bundle, bundle); err != nil {
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t.Fatal(err)
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}
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before, err := os.Stat(destination)
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if err != nil || before.Mode().Perm() != 0600 {
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t.Fatal("published bundle must be private")
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}
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if err := PublishExternalTLS(root, source, destination); err != nil {
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t.Fatal(err)
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}
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after, _ := os.Stat(destination)
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if !os.SameFile(before, after) {
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t.Fatal("unchanged certificate must not be rewritten")
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}
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assertRejected := func() {
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t.Helper()
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if err := PublishExternalTLS(root, source, destination); err == nil {
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t.Fatal("invalid publication accepted")
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}
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preserved, err := os.ReadFile(destination)
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if err != nil || !bytes.Equal(bundle, preserved) {
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t.Fatal("failed publication replaced the previous bundle")
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}
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}
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write("smail.key", []byte("invalid"))
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assertRejected()
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wrongKey, wrongCertificate := testManagedCertificate(t, "other.example", time.Now().Add(-time.Hour), time.Now().Add(time.Hour), 2048)
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write("smail.key", wrongKey)
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write("smail.crt", wrongCertificate)
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assertRejected()
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write("smail.key", key)
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write("smail.crt", certificate)
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if err := os.Chmod(filepath.Join(source, "smail.key"), 0644); err != nil {
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t.Fatal(err)
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}
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assertRejected()
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if err := os.Chmod(filepath.Join(source, "smail.key"), 0600); err != nil {
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t.Fatal(err)
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}
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if err := PublishExternalTLS(root, source, filepath.Join(source, "smail.crt")); err == nil {
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t.Fatal("source overwrite allowed")
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}
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candidate.Root.HTTP.TLSMode = HTTPSTLSModeDirect
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writeRuntimeFixture(t, root, candidate)
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assertRejected()
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}
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func TestExportProjectTLSKeepsOldBundleOnInvalidInput(t *testing.T) {
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if runtime.GOOS != "linux" {
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if err := ExportProjectTLS(t.TempDir(), filepath.Join(t.TempDir(), "tls.pem")); err == nil {
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t.Fatal("unsupported platform allowed exporting a private key")
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}
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t.Skip("Linux Nginx export requires POSIX permission checks")
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}
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root := t.TempDir()
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outputDirectory := t.TempDir()
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if err := os.Chmod(outputDirectory, 0700); err != nil {
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t.Fatal(err)
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}
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destination := filepath.Join(outputDirectory, "tls.pem")
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runtime := validRuntimeConfig()
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runtime.Root.Domains = DomainConfig{Primary: "example.com", Web: "web.example.com", Accepted: []string{"example.com"}}
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key, certificate := testManagedCertificate(t, "example.com", time.Now().Add(-time.Hour), time.Now().Add(time.Hour), 2048, "*.example.com")
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ref, err := stageFlatSSLAtRoot(root, ManagedSSLModeDefault, key, certificate, nil, nil)
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if err != nil {
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t.Fatal(err)
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}
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defer releaseManagedSSL(root, SSLConfig{CertificateRef: ref.CertificateRef})
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runtime.SSL.TLS = SSLConfig{Management: SSLManagementProject, Challenge: SSLChallengeDNS, Mode: ManagedSSLModeDefault, DefaultDirectory: "ssl", CertificateRef: ref.CertificateRef, PrivateKeyRef: ref.PrivateKeyRef}
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writeRuntimeFixture(t, root, runtime)
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if err := ExportProjectTLS(root, destination); err != nil {
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t.Fatal(err)
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}
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bundle, err := os.ReadFile(destination)
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if err != nil {
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t.Fatal(err)
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}
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if _, err := tls.X509KeyPair(bundle, bundle); err != nil {
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t.Fatal(err)
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}
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before, err := os.Stat(destination)
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if err != nil || before.Mode().Perm() != 0600 {
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t.Fatal("export must be private")
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}
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if err := ExportProjectTLS(root, destination); err != nil {
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t.Fatal(err)
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}
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after, _ := os.Stat(destination)
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if !os.SameFile(before, after) {
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t.Fatal("unchanged certificate must not be rewritten")
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}
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for _, target := range []string{ref.PrivateKeyPath, ref.CertificatePath, destination} {
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if err := os.Chmod(target, 0644); err != nil {
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t.Fatal(err)
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}
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if err := ExportProjectTLS(root, destination); err == nil {
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t.Fatal("unsafe file permissions accepted")
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}
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if err := os.Chmod(target, 0600); err != nil {
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t.Fatal(err)
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}
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}
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if err := os.Chmod(outputDirectory, 0777); err != nil {
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t.Fatal(err)
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}
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if err := ExportProjectTLS(root, destination); err == nil {
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t.Fatal("writable output directory accepted")
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}
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if err := os.Chmod(outputDirectory, 0700); err != nil {
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t.Fatal(err)
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}
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link := filepath.Join(t.TempDir(), "linked")
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if err := os.Symlink(outputDirectory, link); err != nil {
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t.Fatal(err)
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}
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if err := ExportProjectTLS(root, filepath.Join(link, "tls.pem")); err == nil {
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t.Fatal("linked output directory accepted")
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}
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hardLink := filepath.Join(t.TempDir(), "linked.key")
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if err := os.Link(ref.PrivateKeyPath, hardLink); err != nil {
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t.Fatal(err)
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}
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if err := ExportProjectTLS(root, destination); err == nil {
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t.Fatal("hard-linked private key accepted")
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}
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if err := os.Remove(hardLink); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(ref.PrivateKeyPath, []byte("invalid"), 0600); err != nil {
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t.Fatal(err)
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}
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if err := ExportProjectTLS(root, destination); err == nil {
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t.Fatal("invalid key was exported")
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}
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preserved, _ := os.ReadFile(destination)
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if !bytes.Equal(bundle, preserved) {
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t.Fatal("failed export replaced valid bundle")
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}
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runtime.SSL.TLS.CertificateRef = "ssl/unmanaged.crt"
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runtime.SSL.TLS.PrivateKeyRef = "ssl/unmanaged.key"
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writeRuntimeFixture(t, root, runtime)
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if err := ExportProjectTLS(root, destination); err == nil {
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t.Fatal("unmanaged input accepted")
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}
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for _, mode := range []string{SSLManagementCustom, SSLManagementWebServer} {
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runtime.SSL.TLS.Management = mode
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writeRuntimeFixture(t, root, runtime)
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if err := ExportProjectTLS(root, destination); err != nil {
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t.Fatal(err)
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}
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preserved, _ := os.ReadFile(destination)
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if !bytes.Equal(bundle, preserved) {
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t.Fatal("external mode changed exported bundle")
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}
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}
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}
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