From b4869607205b5e50add4523b257f8bae6f954458 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Mon, 18 Jan 2016 22:26:23 +0100
Subject: [PATCH] Add version-string verification

---
 libimagstore/src/header.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libimagstore/src/header.rs b/libimagstore/src/header.rs
index 5a086990..74f8b748 100644
--- a/libimagstore/src/header.rs
+++ b/libimagstore/src/header.rs
@@ -138,12 +138,16 @@ fn has_main_section(t: &Table) -> bool {
 }
 
 fn has_imag_version_in_main_section(t: &Table) -> bool {
+    use regex::Regex;
+
     match t.get("imag").unwrap() {
         &Value::Table(ref sec) => {
             sec.get("version")
                 .and_then(|v| {
                     match v {
-                        &Value::String(_) => Some(true),
+                        &Value::String(ref s) => {
+                            Some(Regex::new(r"^\d{1}\.\d{1}\.\d{1}(.*)").unwrap().is_match(&s[..]))
+                        },
                         _                 => Some(false),
                     }
                 })