71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* system.h
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* Copyright (C) 2017 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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* Wrappers for system functionality.
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*/
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#ifndef _SYSTEM_H_
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#define _SYSTEM_H_
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#include <sys/capability.h>
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#include <sys/prctl.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Control the ambient capability set. */
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#ifndef PR_CAP_AMBIENT
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#define PR_CAP_AMBIENT 47
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#endif
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#ifndef PR_CAP_AMBIENT_IS_SET
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#define PR_CAP_AMBIENT_IS_SET 1
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#endif
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#ifndef PR_CAP_AMBIENT_RAISE
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#define PR_CAP_AMBIENT_RAISE 2
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#endif
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#ifndef PR_CAP_AMBIENT_LOWER
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#define PR_CAP_AMBIENT_LOWER 3
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#endif
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#ifndef PR_CAP_AMBIENT_CLEAR_ALL
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#define PR_CAP_AMBIENT_CLEAR_ALL 4
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#endif
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int lock_securebits(uint64_t skip_mask);
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unsigned int get_last_valid_cap(void);
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int cap_ambient_supported(void);
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int config_net_loopback(void);
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int setup_pipe_end(int fds[2], size_t index);
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int setup_and_dupe_pipe_end(int fds[2], size_t index, int fd);
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int write_pid_to_path(pid_t pid, const char *path);
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int write_proc_file(pid_t pid, const char *content, const char *basename);
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int setup_mount_destination(const char *source, const char *dest, uid_t uid,
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uid_t gid);
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#ifdef __cplusplus
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}; /* extern "C" */
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#endif
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#endif /* _SYSTEM_H_ */
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