From aa96c6cb44a6eeccc506ae055aae2519a7f914e1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 29 Apr 2013 18:39:12 -0300
Subject: id128: when taking user input for a 128bit ID, validate syntax

Also, always accept both our simple hexdump syntax and UUID syntax.
---
 src/nspawn/nspawn.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/nspawn')

diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index a49cbc2238..0a46313636 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -222,6 +222,11 @@ static int parse_argv(int argc, char *argv[]) {
                         break;
 
                 case ARG_UUID:
+                        if (!id128_is_valid(optarg)) {
+                                log_error("Invalid UUID: %s", optarg);
+                                return -EINVAL;
+                        }
+
                         arg_uuid = optarg;
                         break;
 
-- 
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