[pbs-devel] applied: [PATCH proxmox-apt] release-file: improve invalid file-reference handling

[Wolfgang Bumiller <w.bumiller@proxmox.com>]

applied

On Thu, Aug 04, 2022 at 11:43:50AM +0200, Fabian Grünbichler wrote:
> if we encounter a file reference pointing to a component that is not
> contained in the componenents list, we can just ignore it as unknown.
> only treat parsing errors for references pointing to known components as
> actual errors.
> 
> this currently triggers with (In)Release files for debian-updates and
> debian-security, which reference (empty) files for a "non-free-firmware"
> component that is not listed in the `Components` field of the release
> file.
> 
> Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
> ---
>  src/deb822/release_file.rs | 13 +++++++++----
>  1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/src/deb822/release_file.rs b/src/deb822/release_file.rs
> index ee805bb..6068238 100644
> --- a/src/deb822/release_file.rs
> +++ b/src/deb822/release_file.rs
> @@ -389,11 +389,16 @@ impl TryFrom<ReleaseFileRaw> for ReleaseFile {
>              let (component, file_type) = components
>                  .iter()
>                  .find_map(|component| {
> -                    FileReferenceType::parse(component, &file)
> -                        .ok()
> -                        .map(|file_type| (component.clone(), file_type))
> +                    if !file.starts_with(&format!("{component}/")) {
> +                        return None;
> +                    }
> +
> +                    Some(
> +                        FileReferenceType::parse(component, &file)
> +                            .map(|file_type| (component.clone(), file_type)),
> +                    )
>                  })
> -                .ok_or_else(|| format_err!("failed to parse file reference '{file}'"))?;
> +                .unwrap_or_else(|| Ok(("UNKNOWN".to_string(), FileReferenceType::Unknown)))?;
>  
>              Ok((
>                  FileReference {
> -- 
> 2.30.2