Merge changes from topic "ndk-rust-nullables"
* changes:
libbinder_rs: (De)SerializeArray for Option<T>
libbinder_ndk: read/writeVector for nullables
Add new helper APIs to binder_parcel_fuzzer
diff --git a/libs/binder/ndk/include_cpp/android/binder_parcel_utils.h b/libs/binder/ndk/include_cpp/android/binder_parcel_utils.h
index 4a7b664..2b18a0a 100644
--- a/libs/binder/ndk/include_cpp/android/binder_parcel_utils.h
+++ b/libs/binder/ndk/include_cpp/android/binder_parcel_utils.h
@@ -550,8 +550,8 @@
const void* vectorData,
size_t index) {
const std::optional<std::vector<P>>* vector =
- static_cast<const std::optional<std::vector<P>*>>(vectorData);
- return AParcel_writeNullableParcelable(parcel, vector->at(index));
+ static_cast<const std::optional<std::vector<P>>*>(vectorData);
+ return AParcel_writeNullableParcelable(parcel, (*vector)->at(index));
}
/**
@@ -561,7 +561,7 @@
binder_status_t AParcel_readNullableStdVectorParcelableElement(const AParcel* parcel,
void* vectorData, size_t index) {
std::optional<std::vector<P>>* vector = static_cast<std::optional<std::vector<P>>*>(vectorData);
- return AParcel_readNullableParcelable(parcel, &vector->at(index));
+ return AParcel_readNullableParcelable(parcel, &(*vector)->at(index));
}
/**
@@ -573,11 +573,7 @@
AParcel* parcel, const void* vectorData, size_t index) {
const std::vector<ScopedFileDescriptor>* vector =
static_cast<const std::vector<ScopedFileDescriptor>*>(vectorData);
- int writeFd = vector->at(index).get();
- if (writeFd < 0) {
- return STATUS_UNEXPECTED_NULL;
- }
- return AParcel_writeParcelFileDescriptor(parcel, writeFd);
+ return AParcel_writeRequiredParcelFileDescriptor(parcel, vector->at(index));
}
/**
@@ -589,15 +585,31 @@
const AParcel* parcel, void* vectorData, size_t index) {
std::vector<ScopedFileDescriptor>* vector =
static_cast<std::vector<ScopedFileDescriptor>*>(vectorData);
- int readFd;
- binder_status_t status = AParcel_readParcelFileDescriptor(parcel, &readFd);
- if (status == STATUS_OK) {
- if (readFd < 0) {
- return STATUS_UNEXPECTED_NULL;
- }
- vector->at(index).set(readFd);
- }
- return status;
+ return AParcel_readRequiredParcelFileDescriptor(parcel, &vector->at(index));
+}
+
+/**
+ * Writes a ScopedFileDescriptor object inside a std::optional<std::vector<ScopedFileDescriptor>> at
+ * index 'index' to 'parcel'.
+ */
+template <>
+inline binder_status_t AParcel_writeNullableStdVectorParcelableElement<ScopedFileDescriptor>(
+ AParcel* parcel, const void* vectorData, size_t index) {
+ const std::optional<std::vector<ScopedFileDescriptor>>* vector =
+ static_cast<const std::optional<std::vector<ScopedFileDescriptor>>*>(vectorData);
+ return AParcel_writeNullableParcelFileDescriptor(parcel, (*vector)->at(index));
+}
+
+/**
+ * Reads a ScopedFileDescriptor object inside a std::optional<std::vector<ScopedFileDescriptor>> at
+ * index 'index' from 'parcel'.
+ */
+template <>
+inline binder_status_t AParcel_readNullableStdVectorParcelableElement<ScopedFileDescriptor>(
+ const AParcel* parcel, void* vectorData, size_t index) {
+ std::optional<std::vector<ScopedFileDescriptor>>* vector =
+ static_cast<std::optional<std::vector<ScopedFileDescriptor>>*>(vectorData);
+ return AParcel_readNullableParcelFileDescriptor(parcel, &(*vector)->at(index));
}
/**
diff --git a/libs/binder/rust/src/parcel/file_descriptor.rs b/libs/binder/rust/src/parcel/file_descriptor.rs
index f71a686..8bcc5d0 100644
--- a/libs/binder/rust/src/parcel/file_descriptor.rs
+++ b/libs/binder/rust/src/parcel/file_descriptor.rs
@@ -94,8 +94,6 @@
}
}
-impl SerializeArray for Option<ParcelFileDescriptor> {}
-
impl DeserializeOption for ParcelFileDescriptor {
fn deserialize_option(parcel: &Parcel) -> Result<Option<Self>> {
let mut fd = -1i32;
@@ -126,8 +124,6 @@
}
}
-impl DeserializeArray for Option<ParcelFileDescriptor> {}
-
impl Deserialize for ParcelFileDescriptor {
fn deserialize(parcel: &Parcel) -> Result<Self> {
Deserialize::deserialize(parcel)
diff --git a/libs/binder/rust/src/parcel/parcelable.rs b/libs/binder/rust/src/parcel/parcelable.rs
index 499ef09..ec00e1d 100644
--- a/libs/binder/rust/src/parcel/parcelable.rs
+++ b/libs/binder/rust/src/parcel/parcelable.rs
@@ -383,6 +383,9 @@
};
}
+impl<T: DeserializeOption> DeserializeArray for Option<T> {}
+impl<T: SerializeOption> SerializeArray for Option<T> {}
+
parcelable_primitives! {
impl Serialize for bool = sys::AParcel_writeBool;
impl Deserialize for bool = sys::AParcel_readBool;
@@ -537,8 +540,6 @@
}
}
-impl SerializeArray for Option<&str> {}
-
impl Serialize for str {
fn serialize(&self, parcel: &mut Parcel) -> Result<()> {
Some(self).serialize(parcel)
@@ -561,8 +562,6 @@
}
}
-impl SerializeArray for Option<String> {}
-
impl Deserialize for Option<String> {
fn deserialize(parcel: &Parcel) -> Result<Self> {
let mut vec: Option<Vec<u8>> = None;
diff --git a/libs/binder/rust/src/proxy.rs b/libs/binder/rust/src/proxy.rs
index 6a4af07..2c5b0a8 100644
--- a/libs/binder/rust/src/proxy.rs
+++ b/libs/binder/rust/src/proxy.rs
@@ -429,8 +429,6 @@
}
impl SerializeArray for SpIBinder {}
-impl SerializeArray for Option<&SpIBinder> {}
-impl SerializeArray for Option<SpIBinder> {}
impl Deserialize for SpIBinder {
fn deserialize(parcel: &Parcel) -> Result<SpIBinder> {
@@ -448,7 +446,6 @@
}
impl DeserializeArray for SpIBinder {}
-impl DeserializeArray for Option<SpIBinder> {}
/// A weak reference to a Binder remote object.
///
diff --git a/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp b/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp
index 6b783a4..c0a762d 100644
--- a/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp
+++ b/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp
@@ -95,6 +95,11 @@
PARCEL_READ(std::vector<std::string>, ndk::AParcel_readVector),
PARCEL_READ(std::optional<std::vector<std::optional<std::string>>>, ndk::AParcel_readVector),
PARCEL_READ(std::vector<SomeParcelable>, ndk::AParcel_readVector),
+ PARCEL_READ(std::optional<std::vector<std::optional<SomeParcelable>>>, ndk::AParcel_readVector),
+ PARCEL_READ(std::vector<ndk::SpAIBinder>, ndk::AParcel_readVector),
+ PARCEL_READ(std::optional<std::vector<ndk::SpAIBinder>>, ndk::AParcel_readVector),
+ PARCEL_READ(std::vector<ndk::ScopedFileDescriptor>, ndk::AParcel_readVector),
+ PARCEL_READ(std::optional<std::vector<ndk::ScopedFileDescriptor>>, ndk::AParcel_readVector),
PARCEL_READ(std::vector<int32_t>, ndk::AParcel_readVector),
PARCEL_READ(std::optional<std::vector<int32_t>>, ndk::AParcel_readVector),
PARCEL_READ(std::vector<uint32_t>, ndk::AParcel_readVector),