Re: [PATCH v8 5/8] rust: security: add abstraction for secctx

[Gary Guo <gary@garyguo.net>]

On Thu, 25 Jul 2024 14:27:38 +0000
Alice Ryhl <aliceryhl@google.com> wrote:

> Add an abstraction for viewing the string representation of a security
> context.
> 
> This is needed by Rust Binder because it has a feature where a process
> can view the string representation of the security context for incoming
> transactions. The process can use that to authenticate incoming
> transactions, and since the feature is provided by the kernel, the
> process can trust that the security context is legitimate.
> 
> Reviewed-by: Benno Lossin <benno.lossin@proton.me>
> Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
> Reviewed-by: Trevor Gross <tmgross@umich.edu>
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>

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

> ---
>  rust/bindings/bindings_helper.h |  1 +
>  rust/helpers.c                  | 21 ++++++++++++
>  rust/kernel/cred.rs             |  8 +++++
>  rust/kernel/lib.rs              |  1 +
>  rust/kernel/security.rs         | 74 +++++++++++++++++++++++++++++++++++++++++
>  5 files changed, 105 insertions(+)