Add hostname to server certs

cmd/ezshare.go

@@ -101,6 +101,10 @@ func main() {
 								Name:  "out-dir",
 								Usage: "Directory where certificates will be stored.",
 							},
+							&cli.StringFlag{
+								Name:  "hostname",
+								Usage: "Hostname used for server certificate.",
+							},
 						},
 						Action: ActionGencerts,
 					},
@@ -332,7 +336,11 @@ func ActionGencerts(c *cli.Context) error {
 	if c.IsSet("out-dir") {
 		outDir = c.String("out-dir")
 	}
-	return certs.GenAllCerts(outDir)
+	if !c.IsSet("hostname") {
+		return fmt.Errorf("--hostname required")
+	}
+	hostname := c.String("hostname")
+	return certs.GenAllCerts(outDir, hostname)
 }
 
 func ActionInitConfig(c *cli.Context) error {