Add oemlock HAL implementation

Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>

5 files changed, 177 insertions, 0 deletions

diff --git a/oemlock/Android.bp b/oemlock/Android.bp
new file mode 100644
index 0000000..82f3dbb
--- /dev/null
+++ b/oemlock/Android.bp
@@ -0,0 +1,31 @@
+// Copyright (C) 2020 Joonas Kylmälä
+//
+// 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: "android.hardware.oemlock@1.0-service",
+    defaults: ["hidl_defaults"],
+    relative_install_path: "hw",
+    proprietary: true,
+    init_rc: ["android.hardware.oemlock@1.0-service.rc"],
+    srcs: [
+        "OemLock.cpp",
+        "service.cpp",
+    ],
+    shared_libs: [
+        "libhidlbase",
+        "libutils",
+        "liblog",
+        "android.hardware.oemlock@1.0",
+    ],
+}
diff --git a/oemlock/OemLock.cpp b/oemlock/OemLock.cpp
new file mode 100644
index 0000000..d3fed55
--- /dev/null
+++ b/oemlock/OemLock.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2020 Joonas Kylmälä
+ *
+ * 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.
+ */
+
+#include "OemLock.h"
+
+namespace android {
+namespace hardware {
+namespace oemlock {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::oemlock::V1_0::OemLockStatus;
+using ::android::hardware::oemlock::V1_0::OemLockSecureStatus;
+
+Return<void> OemLock::getName(getName_cb _hidl_cb) {
+    _hidl_cb(OemLockStatus::OK, "default");
+    return Void();
+}
+
+Return<OemLockSecureStatus> OemLock::setOemUnlockAllowedByCarrier(bool allowed, const hidl_vec<uint8_t>& signature) {
+    (void)allowed;
+    (void)signature;
+    return OemLockSecureStatus::FAILED;
+}
+
+Return<void> OemLock::isOemUnlockAllowedByCarrier(isOemUnlockAllowedByCarrier_cb _hidl_cb) {
+    _hidl_cb(OemLockStatus::OK, false);
+    return Void();
+}
+
+Return<OemLockStatus> OemLock::setOemUnlockAllowedByDevice(bool allowed) {
+    (void)allowed;
+    return OemLockStatus::FAILED;
+}
+
+Return<void> OemLock::isOemUnlockAllowedByDevice(isOemUnlockAllowedByDevice_cb _hidl_cb) {
+    _hidl_cb(OemLockStatus::OK, true);
+    return Void();
+}
+
+}
+}
+}
+}
+}
diff --git a/oemlock/OemLock.h b/oemlock/OemLock.h
new file mode 100644
index 0000000..c0775ef
--- /dev/null
+++ b/oemlock/OemLock.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2020 Joonas Kylmälä
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include <android/hardware/oemlock/1.0/IOemLock.h>
+
+namespace android {
+namespace hardware {
+namespace oemlock {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::oemlock::V1_0::OemLockSecureStatus;
+using ::android::hardware::oemlock::V1_0::OemLockStatus;
+
+struct OemLock : public IOemLock {
+    Return<void> getName(getName_cb _hidl_cb) override;
+    Return<OemLockSecureStatus> setOemUnlockAllowedByCarrier(bool allowed, const hidl_vec<uint8_t>& signature) override;
+    Return<void> isOemUnlockAllowedByCarrier(isOemUnlockAllowedByCarrier_cb _hidl_cb) override;
+    Return<OemLockStatus> setOemUnlockAllowedByDevice(bool allowed) override;
+    Return<void> isOemUnlockAllowedByDevice(isOemUnlockAllowedByDevice_cb _hidl_cb) override;
+};
+
+}
+}
+}
+}
+}
diff --git a/oemlock/android.hardware.oemlock@1.0-service.rc b/oemlock/android.hardware.oemlock@1.0-service.rc
new file mode 100644
index 0000000..1596ef9
--- /dev/null
+++ b/oemlock/android.hardware.oemlock@1.0-service.rc
@@ -0,0 +1,5 @@
+service vendor.oemlock-hal-1-0 /vendor/bin/hw/android.hardware.oemlock@1.0-service
+    interface android.hardware.oemlock@1.0::IOemLock default
+    class hal
+    user system
+    group system
diff --git a/oemlock/service.cpp b/oemlock/service.cpp
new file mode 100644
index 0000000..596e672
--- /dev/null
+++ b/oemlock/service.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 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 "android.hardware.oemlock@1.0-service"
+
+#include <android/hardware/oemlock/1.0/IOemLock.h>
+#include <hidl/HidlTransportSupport.h>
+#include <log/log.h>
+#include <utils/StrongPointer.h>
+#include "OemLock.h"
+
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::hardware::oemlock::V1_0::IOemLock;
+using android::hardware::oemlock::V1_0::implementation::OemLock;
+
+int main(int /* argc */, char** /* argv */) {
+    configureRpcThreadpool(1, true);
+
+    android::sp<IOemLock> oemlock = new OemLock();
+    if (oemlock->registerAsService() != ::android::OK) {
+        ALOGE("Failed to register OemLock HAL instance");
+        return -1;
+    }
+
+    joinRpcThreadpool();
+    return 1;  // joinRpcThreadpool shouldn't exit
+}