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src/pxar/sequential_decoder.rs: Also check for nul bytes when reading the filename

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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>
This commit is contained in:
Christian Ebner 2019-07-16 18:19:41 +02:00 committed by Dietmar Maurer
parent 4204e53560
commit 894cd49ac4
1 changed files with 2 additions and 2 deletions
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4
src/pxar/sequential_decoder.rs
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@ -129,8 +129,8 @@ impl <'a, R: Read, F: Fn(&Path) -> Result<(), Error>> SequentialDecoder<'a, R, F
bail!("found invalid filename '.' or '..'."); bail!("found invalid filename '.' or '..'.");
} }
if buffer.iter().find(|b| (**b == b'/')).is_some() { if buffer.iter().find(|b| (**b == b'/' || **b == b'\0')).is_some() {
bail!("found invalid filename with slashes."); bail!("found invalid filename with slashes or nul bytes.");
} }
let name = std::ffi::OsString::from_vec(buffer); let name = std::ffi::OsString::from_vec(buffer);