62 lines
1.9 KiB
C++
62 lines
1.9 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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#define LOG_TAG "NetdUpdatable"
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#include "NetdUpdatable.h"
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#include <android-base/logging.h>
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#include <netdutils/Status.h>
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#include "NetdUpdatablePublic.h"
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int libnetd_updatable_init(const char* cg2_path) {
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android::base::InitLogging(/*argv=*/nullptr);
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LOG(INFO) << __func__ << ": Initializing";
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android::net::gNetdUpdatable = android::net::NetdUpdatable::getInstance();
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android::netdutils::Status ret = android::net::gNetdUpdatable->mBpfHandler.init(cg2_path);
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if (!android::netdutils::isOk(ret)) {
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LOG(ERROR) << __func__ << ": BPF handler init failed";
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return -ret.code();
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}
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return 0;
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}
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int libnetd_updatable_tagSocket(int sockFd, uint32_t tag, uid_t chargeUid, uid_t realUid) {
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if (android::net::gNetdUpdatable == nullptr) return -EPERM;
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return android::net::gNetdUpdatable->mBpfHandler.tagSocket(sockFd, tag, chargeUid, realUid);
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}
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int libnetd_updatable_untagSocket(int sockFd) {
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if (android::net::gNetdUpdatable == nullptr) return -EPERM;
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return android::net::gNetdUpdatable->mBpfHandler.untagSocket(sockFd);
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}
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namespace android {
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namespace net {
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NetdUpdatable* gNetdUpdatable = nullptr;
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NetdUpdatable* NetdUpdatable::getInstance() {
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// Instantiated on first use.
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static NetdUpdatable instance;
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return &instance;
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}
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} // namespace net
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} // namespace android
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