Struct CapabilityTable 

pub struct CapabilityTable { /* private fields */ }

Table of capabilities for a process

Implementations

impl CapabilityTable

pub fn new() -> Self

Create a new empty capability table

pub fn insert(&mut self, cap: Capability) -> CapId

Insert a capability into the table

pub fn remove(&mut self, id: CapId) -> Option<Capability>

Remove a capability from the table

pub fn get(&self, id: CapId) -> Option<&Capability>

Get a reference to a capability (no permission check).

pub fn revoke_all(&mut self)

Revoke all capabilities in this table and clear it. Does not allocate memory.

pub fn has_resource_type_with_permissions( &self, resource_type: ResourceType, required: CapPermissions, ) -> bool

Check whether any capability of the given resource type has required permissions.

pub fn has_resource_with_permissions( &self, resource_type: ResourceType, resource: usize, required: CapPermissions, ) -> bool

Check whether a specific resource has required permissions.

pub fn get_with_permissions( &self, id: CapId, required: CapPermissions, ) -> Option<&Capability>

Get a reference to a capability if it exists and has the required permissions

pub fn get_mut_with_permissions( &mut self, id: CapId, required: CapPermissions, ) -> Option<&mut Capability>

Get a mutable reference to a capability if it exists and has the required permissions

pub fn duplicate(&mut self, id: CapId) -> Option<Capability>

Duplicate a capability (grant permission required)

Trait Implementations

impl Clone for CapabilityTable

fn clone(&self) -> Self

Performs the clone operation.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.