1 /*
2 * Copyright (C) 2018 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 <unistd.h>
18
19 //#define LOG_NDEBUG 0
20 #define LOG_TAG "NetworkUtils"
21 #include <utils/Log.h>
22
23 #include "NetworkUtils.h"
24 #include <cutils/qtaguid.h>
25 #include <NetdClient.h>
26
27 namespace android {
28
29 // static
RegisterSocketUserTag(int sockfd,uid_t uid,uint32_t kTag)30 void NetworkUtils::RegisterSocketUserTag(int sockfd, uid_t uid, uint32_t kTag) {
31 int res = qtaguid_tagSocket(sockfd, kTag, uid);
32 if (res != 0) {
33 ALOGE("Failed tagging socket %d for uid %d (My UID=%d)", sockfd, uid, geteuid());
34 }
35 }
36
37 // static
UnRegisterSocketUserTag(int sockfd)38 void NetworkUtils::UnRegisterSocketUserTag(int sockfd) {
39 int res = qtaguid_untagSocket(sockfd);
40 if (res != 0) {
41 ALOGE("Failed untagging socket %d (My UID=%d)", sockfd, geteuid());
42 }
43 }
44
45 // static
RegisterSocketUserMark(int sockfd,uid_t uid)46 void NetworkUtils::RegisterSocketUserMark(int sockfd, uid_t uid) {
47 setNetworkForUser(uid, sockfd);
48 }
49
50 // static
UnRegisterSocketUserMark(int sockfd)51 void NetworkUtils::UnRegisterSocketUserMark(int sockfd) {
52 RegisterSocketUserMark(sockfd, geteuid());
53 }
54
55 } // namespace android
56