* lib/mu-util: add mu_util_read_password

lib/mu-util.c

@@ -494,3 +494,27 @@ mu_util_printerr_encoded (const char *frm, ...)
 
 	return rv;
 }
+
+
+char*
+mu_util_read_password (const char *prompt)
+{
+	char *pass, *tmp;
+
+	g_return_val_if_fail (prompt, NULL);
+
+	/* note: getpass is obsolete; replace with something better */
+
+	tmp = getpass (prompt);
+	if (!tmp) {
+		if (errno)
+			g_warning ("error: %s", strerror(errno));
+		return NULL;
+	}
+	/* make sure we can free with g_free(), not free() */
+
+	pass = g_strdup (tmp);
+	free (tmp);
+
+	return pass;
+}