cmd: switch programs over to certlib.Fetcher.

cmd/certser/main.go

@@ -32,14 +32,16 @@ func serialString(cert *x509.Certificate, mode lib.HexEncodeMode) string {
 }
 
 func main() {
+	opts := &certlib.FetcherOpts{}
 	displayAs := flag.String("d", "int", "display mode (int, hex, uhex)")
 	showExpiry := flag.Bool("e", false, "show expiry date")
+	flag.BoolVar(&opts.SkipVerify, "k", false, "skip server verification")
 	flag.Parse()
 
 	displayMode := parseDisplayMode(*displayAs)
 
 	for _, arg := range flag.Args() {
-		cert, err := certlib.LoadCertificate(arg)
+		cert, err := certlib.GetCertificate(arg, opts)
 		die.If(err)
 
 		fmt.Printf("%s: %s", arg, serialString(cert, displayMode))