Re: [PATCH v8 4/8] rust: cred: add Rust abstraction for `struct cred`

[Gary Guo <gary@garyguo.net>]

On Thu, 25 Jul 2024 14:27:37 +0000
Alice Ryhl <aliceryhl@google.com> wrote:

> From: Wedson Almeida Filho <wedsonaf@gmail.com>
> 
> Add a wrapper around `struct cred` called `Credential`, and provide
> functionality to get the `Credential` associated with a `File`.
> 
> Rust Binder must check the credentials of processes when they attempt to
> perform various operations, and these checks usually take a
> `&Credential` as parameter. The security_binder_set_context_mgr function
> would be one example. This patch is necessary to access these security_*
> methods from Rust.
> 
> Signed-off-by: Wedson Almeida Filho <wedsonaf@gmail.com>
> Co-developed-by: Alice Ryhl <aliceryhl@google.com>
> Reviewed-by: Trevor Gross <tmgross@umich.edu>
> Reviewed-by: Benno Lossin <benno.lossin@proton.me>
> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>

Reviewed-by: Gary Guo <gary@garyguo.net>

> ---
>  rust/bindings/bindings_helper.h |  1 +
>  rust/helpers.c                  | 13 +++++++
>  rust/kernel/cred.rs             | 76 +++++++++++++++++++++++++++++++++++++++++
>  rust/kernel/fs/file.rs          | 13 +++++++
>  rust/kernel/lib.rs              |  1 +
>  5 files changed, 104 insertions(+)