From 894cd49ac4679f3dd137c98e6fbcecae4ad9ec43 Mon Sep 17 00:00:00 2001
From: Christian Ebner <c.ebner@proxmox.com>
Date: Tue, 16 Jul 2019 18:19:41 +0200
Subject: [PATCH] src/pxar/sequential_decoder.rs: Also check for nul bytes when
 reading the filename

Check if the filename does not contain invalid nul byes when reading it from the
archive.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 src/pxar/sequential_decoder.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pxar/sequential_decoder.rs b/src/pxar/sequential_decoder.rs
index 42bfb7de..11d71590 100644
--- a/src/pxar/sequential_decoder.rs
+++ b/src/pxar/sequential_decoder.rs
@@ -129,8 +129,8 @@ impl <'a, R: Read, F: Fn(&Path) -> Result<(), Error>> SequentialDecoder<'a, R, F
             bail!("found invalid filename '.' or '..'.");
         }
 
-        if buffer.iter().find(|b| (**b == b'/')).is_some() {
-            bail!("found invalid filename with slashes.");
+        if buffer.iter().find(|b| (**b == b'/' || **b == b'\0')).is_some() {
+            bail!("found invalid filename with slashes or nul bytes.");
         }
 
         let name = std::ffi::OsString::from_vec(buffer);