Add FreeBSD `certctl` support

truststore_freebsd.go

+package truststore
+
+import (
+	"bytes"
+	"crypto/x509"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+var (
+	// NSSProfile is the path of the Firefox profiles.
+	NSSProfile = os.Getenv("HOME") + "/.mozilla/firefox/*"
+
+	// CertutilInstallHelp is the command to add NSS support.
+	CertutilInstallHelp = ""
+
+	// SystemTrustFilename is the format used to name the root certificates.
+	SystemTrustFilename string
+
+	// SystemTrustCommand is the command used to update the system truststore.
+	SystemTrustCommand []string
+)
+
+func init() {
+	if !pathExists("/usr/local/etc/ssl/certs") {
+		err := os.Mkdir("/usr/local/etc/ssl/certs", 0755)
+		if err != nil {
+			SystemTrustCommand = nil
+			log.Fatal(err)
+			return
+		}
+	}
+	SystemTrustCommand = []string{"certctl", "rehash"}
+	SystemTrustFilename = "/usr/local/etc/ssl/certs/%s.crt"
+}
+
+func pathExists(path string) bool {
+	_, err := os.Stat(path)
+	return err == nil
+}
+
+func systemTrustFilename(cert *x509.Certificate) string {
+	return fmt.Sprintf(SystemTrustFilename, strings.Replace(uniqueName(cert), " ", "_", -1))
+}
+
+func installPlatform(filename string, cert *x509.Certificate) error {
+	if SystemTrustCommand == nil {
+		return ErrNotSupported
+	}
+
+	data, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return err
+	}
+
+	cmd := CommandWithSudo("tee", systemTrustFilename(cert))
+	cmd.Stdin = bytes.NewReader(data)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return NewCmdError(err, cmd, out)
+	}
+
+	cmd = CommandWithSudo(SystemTrustCommand...)
+	out, err = cmd.CombinedOutput()
+	if err != nil {
+		return NewCmdError(err, cmd, out)
+	}
+
+	debug("certificate installed properly in FreeBSD trusts")
+	return nil
+}
+
+func uninstallPlatform(filename string, cert *x509.Certificate) error {
+	if SystemTrustCommand == nil {
+		return ErrNotSupported
+	}
+
+	cmd := CommandWithSudo("rm", "-f", systemTrustFilename(cert))
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		return NewCmdError(err, cmd, out)
+	}
+
+	cmd = CommandWithSudo(SystemTrustCommand...)
+	out, err = cmd.CombinedOutput()
+	if err != nil {
+		return NewCmdError(err, cmd, out)
+	}
+
+	debug("certificate uninstalled properly from FreeBSD trusts")
+	return nil
+}
+
+func CommandWithSudo(cmd ...string) *exec.Cmd {
+	if _, err := exec.LookPath("sudo"); err != nil {
+		return exec.Command(cmd[0], cmd[1:]...)
+	}
+	return exec.Command("sudo", append([]string{"--"}, cmd...)...)
+}