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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CUTILS_QTAGUID_H
#define __CUTILS_QTAGUID_H
#include <stdint.h>
#include <sys/types.h>
#include <unistd.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Set tags (and owning UIDs) for network sockets. The socket must be untagged
* by calling qtaguid_untagSocket() before closing it, otherwise the qtaguid
* module will keep a reference to it even after close.
*/
extern int qtaguid_tagSocket(int sockfd, int tag, uid_t uid);
/*
* Untag a network socket before closing.
*/
extern int qtaguid_untagSocket(int sockfd);
/*
* For the given uid, switch counter sets.
* The kernel only keeps a limited number of sets.
* 2 for now.
*/
extern int qtaguid_setCounterSet(int counterSetNum, uid_t uid);
/*
* Delete all tag info that relates to the given tag an uid.
* If the tag is 0, then ALL info about the uid is freeded.
* The delete data also affects active tagged socketd, which are
* then untagged.
* The calling process can only operate on its own tags.
* Unless it is part of the happy AID_NET_BW_ACCT group.
* In which case it can clobber everything.
*/
extern int qtaguid_deleteTagData(int tag, uid_t uid);
/*
* Enable/disable qtaguid functionnality at a lower level.
* When pacified, the kernel will accept commands but do nothing.
*/
extern int qtaguid_setPacifier(int on);
#ifdef __cplusplus
}
#endif
#endif /* __CUTILS_QTAG_UID_H */
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