1/*
2 * Copyright (C) 2011 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#ifndef __CUTILS_QTAGUID_H
18#define __CUTILS_QTAGUID_H
19
20#include <stdint.h>
21#include <sys/types.h>
22#include <unistd.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28/*
29 * Set tags (and owning UIDs) for network sockets.
30*/
31extern int qtaguid_tagSocket(int sockfd, int tag, uid_t uid);
32
33/*
34 * Untag a network socket before closing.
35*/
36extern int qtaguid_untagSocket(int sockfd);
37
38/*
39 * For the given uid, switch counter sets.
40 * The kernel only keeps a limited number of sets.
41 * 2 for now.
42 */
43extern int qtaguid_setCounterSet(int counterSetNum, uid_t uid);
44
45/*
46 * Delete all tag info that relates to the given tag an uid.
47 * If the tag is 0, then ALL info about the uid is freeded.
48 * The delete data also affects active tagged socketd, which are
49 * then untagged.
50 * The calling process can only operate on its own tags.
51 * Unless it is part of the happy AID_NET_BW_ACCT group.
52 * In which case it can clobber everything.
53 */
54extern int qtaguid_deleteTagData(int tag, uid_t uid);
55
56/*
57 * Enable/disable qtaguid functionnality at a lower level.
58 * When pacified, the kernel will accept commands but do nothing.
59 */
60extern int qtaguid_setPacifier(int on);
61
62#ifdef __cplusplus
63}
64#endif
65
66#endif /* __CUTILS_QTAG_UID_H */
67