Rename sdkext module to sdkextensions
It's a better name.
Bug: 137191822
Test: presubmit
Change-Id: Icc39779d49bf31f911f9f72bd7610e84c5f49466
Merged-In: Icc39779d49bf31f911f9f72bd7610e84c5f49466
(cherry picked from commit 5b97269cffa587d1c1d73163a9cabb0cc8c7ec05)
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..f3e2018
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,84 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ default_visibility: [":__subpackages__"],
+}
+
+apex {
+ name: "com.android.sdkext",
+ manifest: "manifest.json",
+ binaries: [ "derive_sdk" ],
+ java_libs: [ "framework-sdkextensions" ],
+ prebuilts: [
+ "com.android.sdkext.ldconfig",
+ "cur_sdkinfo",
+ "derive_sdk.rc",
+ ],
+ key: "com.android.sdkext.key",
+ certificate: ":com.android.sdkext.certificate",
+}
+
+sdk {
+ name: "sdkextensions-sdk",
+ java_header_libs: [ "framework-sdkextensions-stubs-systemapi" ],
+}
+
+apex_key {
+ name: "com.android.sdkext.key",
+ public_key: "com.android.sdkext.avbpubkey",
+ private_key: "com.android.sdkext.pem",
+}
+
+android_app_certificate {
+ name: "com.android.sdkext.certificate",
+ certificate: "com.android.sdkext",
+}
+
+prebuilt_etc {
+ name: "com.android.sdkext.ldconfig",
+ src: "ld.config.txt",
+ filename: "ld.config.txt",
+ installable: false,
+}
+
+python_binary_host {
+ name: "gen_sdkinfo",
+ srcs: [
+ "sdk.proto",
+ "gen_sdkinfo.py",
+ ],
+ proto: {
+ canonical_path_from_root: false,
+ },
+ version: {
+ py3: {
+ embedded_launcher: true,
+ },
+ },
+}
+
+gensrcs {
+ name: "cur_sdkinfo_src",
+ srcs: [""],
+ tools: [ "gen_sdkinfo" ],
+ cmd: "$(location) -v 0 -o $(out)",
+}
+
+prebuilt_etc {
+ name: "cur_sdkinfo",
+ src: ":cur_sdkinfo_src",
+ filename: "sdkinfo.binarypb",
+ installable: false,
+}
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..feb2742
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+hansson@google.com
diff --git a/TEST_MAPPING b/TEST_MAPPING
new file mode 100644
index 0000000..91947f3
--- /dev/null
+++ b/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "CtsSdkExtTestCases"
+ }
+ ]
+}
diff --git a/com.android.sdkext.avbpubkey b/com.android.sdkext.avbpubkey
new file mode 100644
index 0000000..8f47741
--- /dev/null
+++ b/com.android.sdkext.avbpubkey
Binary files differ
diff --git a/com.android.sdkext.pem b/com.android.sdkext.pem
new file mode 100644
index 0000000..8164601
--- /dev/null
+++ b/com.android.sdkext.pem
@@ -0,0 +1,51 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIJKQIBAAKCAgEAr72pTSavrziDP54AtQZlRclDxJf9HXRZwFRbYx9hWZ4z7ZtO
+pNBDPvPJCiAOVUsILgCQhBUolz2dyLob25Fd0PVp0n9ibIPEQYjTfHjOK40qb57N
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+oEtqyY9RVeHK50bLO4lyAXFiE+J6qqXjsGC20cpxeZYW5llMY/dhA6WV4YXV
+-----END RSA PRIVATE KEY-----
diff --git a/com.android.sdkext.pk8 b/com.android.sdkext.pk8
new file mode 100644
index 0000000..ccc0bf4
--- /dev/null
+++ b/com.android.sdkext.pk8
Binary files differ
diff --git a/com.android.sdkext.x509.pem b/com.android.sdkext.x509.pem
new file mode 100644
index 0000000..45d2ade
--- /dev/null
+++ b/com.android.sdkext.x509.pem
@@ -0,0 +1,35 @@
+-----BEGIN CERTIFICATE-----
+MIIGIzCCBAugAwIBAgIUXuDL7QvzQh7S6rihWz2KRvCFVT0wDQYJKoZIhvcNAQEL
+BQAwgZ8xCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRYwFAYDVQQH
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+-----END CERTIFICATE-----
diff --git a/derive_sdk/Android.bp b/derive_sdk/Android.bp
new file mode 100644
index 0000000..c4e3c29
--- /dev/null
+++ b/derive_sdk/Android.bp
@@ -0,0 +1,37 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_binary {
+ name: "derive_sdk",
+ srcs: [
+ "derive_sdk.cpp",
+ "sdk.proto",
+ ],
+ proto: {
+ type: "lite",
+ },
+ sdk_version: "current",
+ stl: "c++_static",
+ shared_libs: [ "liblog" ],
+ static_libs: [
+ "libbase_ndk",
+ "libprotobuf-cpp-lite-ndk",
+ ],
+}
+
+prebuilt_etc {
+ name: "derive_sdk.rc",
+ src: "derive_sdk.rc",
+ installable: false,
+}
diff --git a/derive_sdk/derive_sdk.cpp b/derive_sdk/derive_sdk.cpp
new file mode 100644
index 0000000..6fb7ef4
--- /dev/null
+++ b/derive_sdk/derive_sdk.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "derive_sdk"
+
+#include <algorithm>
+#include <dirent.h>
+#include <iostream>
+#include <sys/stat.h>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/properties.h>
+
+#include "frameworks/base/apex/sdkextensions/derive_sdk/sdk.pb.h"
+
+using com::android::sdkext::proto::SdkVersion;
+
+int main(int, char**) {
+ std::unique_ptr<DIR, decltype(&closedir)> apex(opendir("/apex"), closedir);
+ if (!apex) {
+ LOG(ERROR) << "Could not read /apex";
+ return EXIT_FAILURE;
+ }
+ struct dirent* de;
+ std::vector<std::string> paths;
+ while ((de = readdir(apex.get()))) {
+ std::string name = de->d_name;
+ if (name[0] == '.' || name.find('@') != std::string::npos) {
+ // Skip <name>@<ver> dirs, as they are bind-mounted to <name>
+ continue;
+ }
+ std::string path = "/apex/" + name + "/etc/sdkinfo.binarypb";
+ struct stat statbuf;
+ if (stat(path.c_str(), &statbuf) == 0) {
+ paths.push_back(path);
+ }
+ }
+
+ std::vector<int> versions;
+ for (const auto& path : paths) {
+ std::string contents;
+ if (!android::base::ReadFileToString(path, &contents, true)) {
+ LOG(ERROR) << "failed to read " << path;
+ continue;
+ }
+ SdkVersion sdk_version;
+ if (!sdk_version.ParseFromString(contents)) {
+ LOG(ERROR) << "failed to parse " << path;
+ continue;
+ }
+ LOG(INFO) << "Read version " << sdk_version.version() << " from " << path;
+ versions.push_back(sdk_version.version());
+ }
+ auto itr = std::min_element(versions.begin(), versions.end());
+ std::string prop_value = itr == versions.end() ? "0" : std::to_string(*itr);
+
+ if (!android::base::SetProperty("ro.build.version.extensions.r", prop_value)) {
+ LOG(ERROR) << "failed to set sdk_info prop";
+ return EXIT_FAILURE;
+ }
+
+ LOG(INFO) << "R extension version is " << prop_value;
+ return EXIT_SUCCESS;
+}
diff --git a/derive_sdk/derive_sdk.rc b/derive_sdk/derive_sdk.rc
new file mode 100644
index 0000000..1b66794
--- /dev/null
+++ b/derive_sdk/derive_sdk.rc
@@ -0,0 +1,3 @@
+service derive_sdk /apex/com.android.sdkext/bin/derive_sdk
+ oneshot
+ disabled
diff --git a/derive_sdk/sdk.proto b/derive_sdk/sdk.proto
new file mode 100644
index 0000000..d15b935
--- /dev/null
+++ b/derive_sdk/sdk.proto
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+package com.android.sdkext.proto;
+
+option java_outer_classname = "SdkProto";
+option optimize_for = LITE_RUNTIME;
+
+message SdkVersion {
+ int32 version = 1;
+}
diff --git a/framework/Android.bp b/framework/Android.bp
new file mode 100644
index 0000000..2845612
--- /dev/null
+++ b/framework/Android.bp
@@ -0,0 +1,71 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ default_visibility: [ ":__pkg__" ]
+}
+
+filegroup {
+ name: "framework-sdkextensions-sources",
+ srcs: [
+ "java/**/*.java",
+ ],
+ path: "java",
+ visibility: [ "//frameworks/base:__pkg__" ] // For the "global" stubs.
+}
+
+java_library {
+ name: "framework-sdkextensions",
+ srcs: [ ":framework-sdkextensions-sources" ],
+ sdk_version: "system_current",
+ libs: [ "framework-annotations-lib" ],
+ permitted_packages: [ "android.os.ext" ],
+ installable: true,
+ visibility: [ "//frameworks/base/apex/sdkextensions:__pkg__" ],
+}
+
+droidstubs {
+ name: "framework-sdkextensions-droidstubs-publicapi",
+ defaults: [
+ "framework-sdkextensions-stubs-defaults",
+ "framework-module-stubs-defaults-publicapi",
+ ]
+}
+
+droidstubs {
+ name: "framework-sdkextensions-droidstubs-systemapi",
+ defaults: [
+ "framework-sdkextensions-stubs-defaults",
+ "framework-module-stubs-defaults-systemapi",
+ ]
+}
+
+stubs_defaults {
+ name: "framework-sdkextensions-stubs-defaults",
+ srcs: [
+ ":framework-sdkextensions-sources",
+ ":framework-annotations",
+ ],
+ sdk_version: "system_current",
+}
+
+java_library {
+ name: "framework-sdkextensions-stubs-systemapi",
+ srcs: [":framework-sdkextensions-droidstubs-systemapi"],
+ sdk_version: "system_current",
+ visibility: [
+ "//frameworks/base:__pkg__", // Framework
+ "//frameworks/base/apex/sdkextensions:__pkg__", // sdkextensions SDK
+ ]
+}
diff --git a/framework/java/android/os/ext/SdkExtensions.java b/framework/java/android/os/ext/SdkExtensions.java
new file mode 100644
index 0000000..a8a7eff
--- /dev/null
+++ b/framework/java/android/os/ext/SdkExtensions.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os.ext;
+
+import android.annotation.IntDef;
+import android.annotation.SystemApi;
+import android.os.Build.VERSION_CODES;
+import android.os.SystemProperties;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Methods for interacting with the extension SDK.
+ *
+ * This class provides information about the extension SDK version present
+ * on this device. Use the {@link #getExtensionVersion(int) getExtension} to
+ * query for the extension version for the given SDK version.
+
+ * @hide
+ */
+@SystemApi
+public class SdkExtensions {
+
+ private static final int R_EXTENSION_INT;
+ static {
+ R_EXTENSION_INT = SystemProperties.getInt("ro.build.version.extensions.r", 0);
+ }
+
+ /**
+ * Values suitable as parameters for {@link #getExtensionVersion(int)}.
+ * @hide
+ */
+ @IntDef(value = { VERSION_CODES.R })
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface SdkVersion {}
+
+ private SdkExtensions() { }
+
+ /**
+ * Return the version of the extension to the given SDK.
+ *
+ * @param sdk the SDK version to get the extension version of.
+ * @see SdkVersion
+ * @throws IllegalArgumentException if sdk is not an sdk version with extensions
+ */
+ public static int getExtensionVersion(@SdkVersion int sdk) {
+ if (sdk < VERSION_CODES.R) {
+ throw new IllegalArgumentException(String.valueOf(sdk) + " does not have extensions");
+ }
+ return R_EXTENSION_INT;
+ }
+
+}
diff --git a/framework/java/android/os/ext/package.html b/framework/java/android/os/ext/package.html
new file mode 100644
index 0000000..34c1697
--- /dev/null
+++ b/framework/java/android/os/ext/package.html
@@ -0,0 +1,5 @@
+<HTML>
+<BODY>
+Provides APIs to interface with the SDK extensions.
+</BODY>
+</HTML>
diff --git a/gen_sdkinfo.py b/gen_sdkinfo.py
new file mode 100644
index 0000000..5af478b
--- /dev/null
+++ b/gen_sdkinfo.py
@@ -0,0 +1,19 @@
+import sdk_pb2
+import sys
+
+if __name__ == '__main__':
+ argv = sys.argv[1:]
+ if not len(argv) == 4 or sorted([argv[0], argv[2]]) != ['-o', '-v']:
+ print('usage: gen_sdkinfo -v <version> -o <output-file>')
+ sys.exit(1)
+
+ for i in range(len(argv)):
+ if sys.argv[i] == '-o':
+ filename = sys.argv[i+1]
+ if sys.argv[i] == '-v':
+ version = int(sys.argv[i+1])
+
+ proto = sdk_pb2.SdkVersion()
+ proto.version = version
+ with open(filename, 'wb') as f:
+ f.write(proto.SerializeToString())
diff --git a/ld.config.txt b/ld.config.txt
new file mode 100644
index 0000000..dcc69b8
--- /dev/null
+++ b/ld.config.txt
@@ -0,0 +1,31 @@
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Bionic loader config file for the sdkextensions apex.
+
+dir.sdkextensions = /apex/com.android.sdkext/bin/
+
+[sdkextensions]
+additional.namespaces = platform
+
+namespace.default.isolated = true
+namespace.default.links = platform
+namespace.default.link.platform.allow_all_shared_libs = true
+
+###############################################################################
+# "platform" namespace: used for NDK libraries
+###############################################################################
+namespace.platform.isolated = true
+namespace.platform.search.paths = /system/${LIB}
+namespace.platform.asan.search.paths = /data/asan/system/${LIB}
+
+# /system/lib/libc.so, etc are symlinks to /apex/com.android.lib/lib/bionic/libc.so, etc.
+# Add /apex/... path to the permitted paths because linker uses realpath(3)
+# to check the accessibility of the lib. We could add this to search.paths
+# instead but that makes the resolution of bionic libs be dependent on
+# the order of /system/lib and /apex/... in search.paths. If /apex/...
+# is after /system/lib, then /apex/... is never tried because libc.so
+# is always found in /system/lib but fails to pass the accessibility test
+# because of its realpath. It's better to not depend on the ordering if
+# possible.
+namespace.platform.permitted.paths = /apex/com.android.runtime/${LIB}/bionic
+namespace.platform.asan.permitted.paths = /apex/com.android.runtime/${LIB}/bionic
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..048f5c4
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,4 @@
+{
+ "name": "com.android.sdkext",
+ "version": 1
+}
diff --git a/sdk.proto b/sdk.proto
new file mode 100644
index 0000000..d15b935
--- /dev/null
+++ b/sdk.proto
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+package com.android.sdkext.proto;
+
+option java_outer_classname = "SdkProto";
+option optimize_for = LITE_RUNTIME;
+
+message SdkVersion {
+ int32 version = 1;
+}