91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "connectivity_native.h"
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#include <android/binder_manager.h>
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#include <android-modules-utils/sdk_level.h>
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#include <aidl/android/net/connectivity/aidl/ConnectivityNative.h>
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using aidl::android::net::connectivity::aidl::IConnectivityNative;
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static std::shared_ptr<IConnectivityNative> getBinder() {
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ndk::SpAIBinder sBinder = ndk::SpAIBinder(reinterpret_cast<AIBinder*>(
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AServiceManager_checkService("connectivity_native")));
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return aidl::android::net::connectivity::aidl::IConnectivityNative::fromBinder(sBinder);
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}
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static int getErrno(const ::ndk::ScopedAStatus& status) {
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switch (status.getExceptionCode()) {
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case EX_NONE:
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return 0;
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case EX_ILLEGAL_ARGUMENT:
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return EINVAL;
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case EX_SECURITY:
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return EPERM;
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case EX_SERVICE_SPECIFIC:
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return status.getServiceSpecificError();
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default:
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return EPROTO;
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}
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}
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int AConnectivityNative_blockPortForBind(in_port_t port) {
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if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
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std::shared_ptr<IConnectivityNative> c = getBinder();
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if (!c) {
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return EAGAIN;
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}
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return getErrno(c->blockPortForBind(port));
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}
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int AConnectivityNative_unblockPortForBind(in_port_t port) {
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if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
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std::shared_ptr<IConnectivityNative> c = getBinder();
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if (!c) {
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return EAGAIN;
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}
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return getErrno(c->unblockPortForBind(port));
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}
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int AConnectivityNative_unblockAllPortsForBind() {
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if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
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std::shared_ptr<IConnectivityNative> c = getBinder();
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if (!c) {
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return EAGAIN;
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}
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return getErrno(c->unblockAllPortsForBind());
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}
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int AConnectivityNative_getPortsBlockedForBind(in_port_t *ports, size_t *count) {
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if (!android::modules::sdklevel::IsAtLeastU()) return ENOSYS;
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std::shared_ptr<IConnectivityNative> c = getBinder();
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if (!c) {
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return EAGAIN;
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}
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std::vector<int32_t> actualBlockedPorts;
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int err = getErrno(c->getPortsBlockedForBind(&actualBlockedPorts));
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if (err) {
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return err;
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}
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for (int i = 0; i < *count && i < actualBlockedPorts.size(); i++) {
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ports[i] = actualBlockedPorts[i];
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}
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*count = actualBlockedPorts.size();
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return 0;
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}
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