1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <android-base/logging.h>
18 #include <android/binder_manager.h>
19 #include <android/binder_process.h>
20
21 #include "common/libs/fs/shared_fd.h"
22 #include "common/libs/transport/channel_sharedfd.h"
23 #include "guest/hals/oemlock/remote/remote_oemlock.h"
24
25 using ::aidl::android::hardware::oemlock::OemLock;
26
main(int argc,char * argv[])27 int main(int argc, char *argv[]) {
28 ::android::base::InitLogging(argv, ::android::base::KernelLogger);
29 ABinderProcess_setThreadPoolMaxThreadCount(0);
30
31 if (argc != 2) {
32 LOG(FATAL) << "Cuttlefish OemLock HAL requires to have hvc path as a first argument";
33 }
34 const auto fd = cuttlefish::SharedFD::Open(argv[1], O_RDWR);
35 if (!fd->IsOpen()) {
36 LOG(FATAL) << "Could not connect to oemlock: " << fd->StrError();
37 }
38 if (fd->SetTerminalRaw() < 0) {
39 LOG(FATAL) << "Could not make " << argv[1] << " a raw terminal: " << fd->StrError();
40 }
41
42 cuttlefish::transport::SharedFdChannel channel(fd, fd);
43 std::shared_ptr<OemLock> oemlock = ndk::SharedRefBase::make<OemLock>(channel);
44
45 const std::string instance = std::string() + OemLock::descriptor + "/default";
46 binder_status_t status = AServiceManager_addService(oemlock->asBinder().get(), instance.c_str());
47 CHECK_EQ(status, STATUS_OK);
48
49 ABinderProcess_joinThreadPool();
50 return -1; // Should never be reached
51 }
52