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68 lines
1.5 KiB
68 lines
1.5 KiB
4 months ago
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/* Copyright 2017 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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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 <stdbool.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 secure_noroot_set_and_locked(uint64_t mask);
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int lock_securebits(uint64_t skip_mask, bool require_keep_caps);
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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 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 mkdir_p(const char *path, mode_t mode, bool isdir);
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int setup_mount_destination(const char *source, const char *dest, uid_t uid,
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uid_t gid, bool bind, unsigned long *mnt_flags);
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int lookup_user(const char *user, uid_t *uid, gid_t *gid);
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int lookup_group(const char *group, gid_t *gid);
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int seccomp_ret_log_available(void);
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int seccomp_ret_kill_process_available(void);
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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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