Allow set_requesting_sid to be enabled when AIDL Binder is created.
Bug: 181869875
Bug: 178852354
Test: mm
Change-Id: Iff84df4ee4eed2f24d02fd8156b575a443bbb0c6
diff --git a/libs/binder/rust/src/binder.rs b/libs/binder/rust/src/binder.rs
index 321b422..695a83e 100644
--- a/libs/binder/rust/src/binder.rs
+++ b/libs/binder/rust/src/binder.rs
@@ -548,6 +548,28 @@
}
}
+/// The features to enable when creating a native Binder.
+///
+/// This should always be initialised with a default value, e.g.:
+/// ```
+/// # use binder::BinderFeatures;
+/// BinderFeatures {
+/// set_requesting_sid: true,
+/// ..BinderFeatures::default(),
+/// }
+/// ```
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
+pub struct BinderFeatures {
+ /// Indicates that the service intends to receive caller security contexts. This must be true
+ /// for `ThreadState::with_calling_sid` to work.
+ pub set_requesting_sid: bool,
+ // Ensure that clients include a ..BinderFeatures::default() to preserve backwards compatibility
+ // when new fields are added. #[non_exhaustive] doesn't work because it prevents struct
+ // expressions entirely.
+ #[doc(hidden)]
+ pub _non_exhaustive: (),
+}
+
/// Declare typed interfaces for a binder object.
///
/// Given an interface trait and descriptor string, create a native and remote
@@ -730,8 +752,9 @@
impl $native {
/// Create a new binder service.
- pub fn new_binder<T: $interface + Sync + Send + 'static>(inner: T) -> $crate::Strong<dyn $interface> {
- let binder = $crate::Binder::new_with_stability($native(Box::new(inner)), $stability);
+ pub fn new_binder<T: $interface + Sync + Send + 'static>(inner: T, features: $crate::BinderFeatures) -> $crate::Strong<dyn $interface> {
+ let mut binder = $crate::Binder::new_with_stability($native(Box::new(inner)), $stability);
+ $crate::IBinderInternal::set_requesting_sid(&mut binder, features.set_requesting_sid);
$crate::Strong::new(Box::new(binder))
}
}
diff --git a/libs/binder/rust/src/lib.rs b/libs/binder/rust/src/lib.rs
index 30928a5..2694cba 100644
--- a/libs/binder/rust/src/lib.rs
+++ b/libs/binder/rust/src/lib.rs
@@ -107,10 +107,9 @@
pub mod parcel;
pub use crate::binder::{
- FromIBinder, IBinder, IBinderInternal, Interface, InterfaceClass, Remotable,
- Stability, Strong, TransactionCode, TransactionFlags, Weak,
- FIRST_CALL_TRANSACTION, FLAG_CLEAR_BUF, FLAG_ONEWAY, FLAG_PRIVATE_LOCAL,
- LAST_CALL_TRANSACTION,
+ BinderFeatures, FromIBinder, IBinder, IBinderInternal, Interface, InterfaceClass, Remotable,
+ Stability, Strong, TransactionCode, TransactionFlags, Weak, FIRST_CALL_TRANSACTION,
+ FLAG_CLEAR_BUF, FLAG_ONEWAY, FLAG_PRIVATE_LOCAL, LAST_CALL_TRANSACTION,
};
pub use error::{status_t, ExceptionCode, Result, Status, StatusCode};
pub use native::add_service;
@@ -125,8 +124,8 @@
pub use super::parcel::ParcelFileDescriptor;
pub use super::{add_service, get_interface};
pub use super::{
- DeathRecipient, ExceptionCode, IBinder, Interface, ProcessState, SpIBinder, Status,
- StatusCode, Strong, ThreadState, Weak, WpIBinder,
+ BinderFeatures, DeathRecipient, ExceptionCode, IBinder, Interface, ProcessState, SpIBinder,
+ Status, StatusCode, Strong, ThreadState, Weak, WpIBinder,
};
/// Binder result containing a [`Status`] on error.
diff --git a/libs/binder/rust/tests/integration.rs b/libs/binder/rust/tests/integration.rs
index 60e3502..0332007 100644
--- a/libs/binder/rust/tests/integration.rs
+++ b/libs/binder/rust/tests/integration.rs
@@ -19,7 +19,7 @@
use binder::declare_binder_interface;
use binder::parcel::Parcel;
use binder::{
- Binder, IBinderInternal, Interface, StatusCode, ThreadState, TransactionCode,
+ Binder, BinderFeatures, IBinderInternal, Interface, StatusCode, ThreadState, TransactionCode,
FIRST_CALL_TRANSACTION,
};
use std::convert::{TryFrom, TryInto};
@@ -55,7 +55,8 @@
})));
service.set_requesting_sid(true);
if let Some(extension_name) = extension_name {
- let extension = BnTest::new_binder(TestService { s: extension_name });
+ let extension =
+ BnTest::new_binder(TestService { s: extension_name }, BinderFeatures::default());
service
.set_extension(&mut extension.as_binder())
.expect("Could not add extension");
@@ -212,8 +213,8 @@
use std::time::Duration;
use binder::{
- Binder, DeathRecipient, FromIBinder, IBinder, IBinderInternal, Interface, SpIBinder,
- StatusCode, Strong,
+ Binder, BinderFeatures, DeathRecipient, FromIBinder, IBinder, IBinderInternal, Interface,
+ SpIBinder, StatusCode, Strong,
};
use super::{BnTest, ITest, ITestSameDescriptor, TestService, RUST_SERVICE_BINARY};
@@ -495,9 +496,12 @@
#[test]
fn reassociate_rust_binder() {
let service_name = "testing_service";
- let service_ibinder = BnTest::new_binder(TestService {
- s: service_name.to_string(),
- })
+ let service_ibinder = BnTest::new_binder(
+ TestService {
+ s: service_name.to_string(),
+ },
+ BinderFeatures::default(),
+ )
.as_binder();
let service: Strong<dyn ITest> = service_ibinder
@@ -510,9 +514,12 @@
#[test]
fn weak_binder_upgrade() {
let service_name = "testing_service";
- let service = BnTest::new_binder(TestService {
- s: service_name.to_string(),
- });
+ let service = BnTest::new_binder(
+ TestService {
+ s: service_name.to_string(),
+ },
+ BinderFeatures::default(),
+ );
let weak = Strong::downgrade(&service);
@@ -525,9 +532,12 @@
fn weak_binder_upgrade_dead() {
let service_name = "testing_service";
let weak = {
- let service = BnTest::new_binder(TestService {
- s: service_name.to_string(),
- });
+ let service = BnTest::new_binder(
+ TestService {
+ s: service_name.to_string(),
+ },
+ BinderFeatures::default(),
+ );
Strong::downgrade(&service)
};
@@ -538,9 +548,12 @@
#[test]
fn weak_binder_clone() {
let service_name = "testing_service";
- let service = BnTest::new_binder(TestService {
- s: service_name.to_string(),
- });
+ let service = BnTest::new_binder(
+ TestService {
+ s: service_name.to_string(),
+ },
+ BinderFeatures::default(),
+ );
let weak = Strong::downgrade(&service);
let cloned = weak.clone();
@@ -556,12 +569,18 @@
#[test]
#[allow(clippy::eq_op)]
fn binder_ord() {
- let service1 = BnTest::new_binder(TestService {
- s: "testing_service1".to_string(),
- });
- let service2 = BnTest::new_binder(TestService {
- s: "testing_service2".to_string(),
- });
+ let service1 = BnTest::new_binder(
+ TestService {
+ s: "testing_service1".to_string(),
+ },
+ BinderFeatures::default(),
+ );
+ let service2 = BnTest::new_binder(
+ TestService {
+ s: "testing_service2".to_string(),
+ },
+ BinderFeatures::default(),
+ );
assert!(!(service1 < service1));
assert!(!(service1 > service1));
diff --git a/libs/binder/rust/tests/ndk_rust_interop.rs b/libs/binder/rust/tests/ndk_rust_interop.rs
index ce75ab7..4702e45 100644
--- a/libs/binder/rust/tests/ndk_rust_interop.rs
+++ b/libs/binder/rust/tests/ndk_rust_interop.rs
@@ -16,15 +16,13 @@
//! Rust Binder NDK interop tests
-use std::ffi::CStr;
-use std::os::raw::{c_char, c_int};
-use ::IBinderRustNdkInteropTest::binder::{self, Interface, StatusCode};
use ::IBinderRustNdkInteropTest::aidl::IBinderRustNdkInteropTest::{
BnBinderRustNdkInteropTest, IBinderRustNdkInteropTest,
};
-use ::IBinderRustNdkInteropTest::aidl::IBinderRustNdkInteropTestOther::{
- IBinderRustNdkInteropTestOther,
-};
+use ::IBinderRustNdkInteropTest::aidl::IBinderRustNdkInteropTestOther::IBinderRustNdkInteropTestOther;
+use ::IBinderRustNdkInteropTest::binder::{self, BinderFeatures, Interface, StatusCode};
+use std::ffi::CStr;
+use std::os::raw::{c_char, c_int};
/// Look up the provided AIDL service and call its echo method.
///
@@ -37,18 +35,21 @@
// The Rust class descriptor pointer will not match the NDK one, but the
// descriptor strings match so this needs to still associate.
- let service: binder::Strong<dyn IBinderRustNdkInteropTest> = match binder::get_interface(service_name) {
- Err(e) => {
- eprintln!("Could not find Ndk service {}: {:?}", service_name, e);
- return StatusCode::NAME_NOT_FOUND as c_int;
- }
- Ok(service) => service,
- };
+ let service: binder::Strong<dyn IBinderRustNdkInteropTest> =
+ match binder::get_interface(service_name) {
+ Err(e) => {
+ eprintln!("Could not find Ndk service {}: {:?}", service_name, e);
+ return StatusCode::NAME_NOT_FOUND as c_int;
+ }
+ Ok(service) => service,
+ };
match service.echo("testing") {
- Ok(s) => if s != "testing" {
- return StatusCode::BAD_VALUE as c_int;
- },
+ Ok(s) => {
+ if s != "testing" {
+ return StatusCode::BAD_VALUE as c_int;
+ }
+ }
Err(e) => return e.into(),
}
@@ -88,7 +89,7 @@
#[no_mangle]
pub unsafe extern "C" fn rust_start_service(service_name: *const c_char) -> c_int {
let service_name = CStr::from_ptr(service_name).to_str().unwrap();
- let service = BnBinderRustNdkInteropTest::new_binder(Service);
+ let service = BnBinderRustNdkInteropTest::new_binder(Service, BinderFeatures::default());
match binder::add_service(&service_name, service.as_binder()) {
Ok(_) => StatusCode::OK as c_int,
Err(e) => e as c_int,
diff --git a/libs/binder/rust/tests/serialization.rs b/libs/binder/rust/tests/serialization.rs
index f1b068e..66ba846 100644
--- a/libs/binder/rust/tests/serialization.rs
+++ b/libs/binder/rust/tests/serialization.rs
@@ -18,11 +18,11 @@
//! access.
use binder::declare_binder_interface;
+use binder::parcel::ParcelFileDescriptor;
use binder::{
- Binder, ExceptionCode, Interface, Parcel, Result, SpIBinder, Status,
+ Binder, BinderFeatures, ExceptionCode, Interface, Parcel, Result, SpIBinder, Status,
StatusCode, TransactionCode,
};
-use binder::parcel::ParcelFileDescriptor;
use std::ffi::{c_void, CStr, CString};
use std::sync::Once;
@@ -85,7 +85,7 @@
pub extern "C" fn rust_service() -> *mut c_void {
unsafe {
SERVICE_ONCE.call_once(|| {
- SERVICE = Some(BnReadParcelTest::new_binder(()).as_binder());
+ SERVICE = Some(BnReadParcelTest::new_binder((), BinderFeatures::default()).as_binder());
});
SERVICE.as_ref().unwrap().as_raw().cast()
}
@@ -108,8 +108,12 @@
impl ReadParcelTest for () {}
#[allow(clippy::float_cmp)]
-fn on_transact(_service: &dyn ReadParcelTest, code: TransactionCode,
- parcel: &Parcel, reply: &mut Parcel) -> Result<()> {
+fn on_transact(
+ _service: &dyn ReadParcelTest,
+ code: TransactionCode,
+ parcel: &Parcel,
+ reply: &mut Parcel,
+) -> Result<()> {
match code {
bindings::Transaction_TEST_BOOL => {
assert_eq!(parcel.read::<bool>()?, true);