mirror of https://github.com/Wind4/vlmcsd
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
|
|
* <sys/capability.h>
|
|
*
|
|
* Copyright (C) 1997 Aleph One
|
|
* Copyright (C) 1997-8,2008 Andrew G. Morgan <morgan@kernel.org>
|
|
*
|
|
* defunct POSIX.1e Standard: 25.2 Capabilities <sys/capability.h>
|
|
*/
|
|
|
|
#ifndef _SYS_CAPABILITY_H
|
|
#define _SYS_CAPABILITY_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* This file complements the kernel file by providing prototype
|
|
* information for the user library.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
#include <linux/types.h>
|
|
|
|
#ifndef __user
|
|
#define __user
|
|
#endif
|
|
#include <linux/capability.h>
|
|
#include <sys/xattr.h>
|
|
#include <linux/xattr.h>
|
|
|
|
/*
|
|
* POSIX capability types
|
|
*/
|
|
|
|
/*
|
|
* Opaque capability handle (defined internally by libcap)
|
|
* internal capability representation
|
|
*/
|
|
typedef struct _cap_struct *cap_t;
|
|
|
|
/* "external" capability representation is a (void *) */
|
|
|
|
/*
|
|
* This is the type used to identify capabilities
|
|
*/
|
|
|
|
typedef int cap_value_t;
|
|
|
|
/*
|
|
* Set identifiers
|
|
*/
|
|
typedef enum {
|
|
CAP_EFFECTIVE=0, /* Specifies the effective flag */
|
|
CAP_PERMITTED=1, /* Specifies the permitted flag */
|
|
CAP_INHERITABLE=2 /* Specifies the inheritable flag */
|
|
} cap_flag_t;
|
|
|
|
/*
|
|
* These are the states available to each capability
|
|
*/
|
|
typedef enum {
|
|
CAP_CLEAR=0, /* The flag is cleared/disabled */
|
|
CAP_SET=1 /* The flag is set/enabled */
|
|
} cap_flag_value_t;
|
|
|
|
/*
|
|
* User-space capability manipulation routines
|
|
*/
|
|
|
|
/* libcap/cap_alloc.c */
|
|
extern cap_t cap_dup(cap_t);
|
|
extern int cap_free(void *);
|
|
extern cap_t cap_init(void);
|
|
|
|
/* libcap/cap_flag.c */
|
|
extern int cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);
|
|
extern int cap_set_flag(cap_t, cap_flag_t, int, const cap_value_t *,
|
|
cap_flag_value_t);
|
|
extern int cap_clear(cap_t);
|
|
extern int cap_clear_flag(cap_t, cap_flag_t);
|
|
|
|
/* libcap/cap_file.c */
|
|
extern cap_t cap_get_fd(int);
|
|
extern cap_t cap_get_file(const char *);
|
|
extern int cap_set_fd(int, cap_t);
|
|
extern int cap_set_file(const char *, cap_t);
|
|
|
|
/* libcap/cap_proc.c */
|
|
extern cap_t cap_get_proc(void);
|
|
extern cap_t cap_get_pid(pid_t);
|
|
extern int cap_set_proc(cap_t);
|
|
|
|
extern int cap_get_bound(cap_value_t);
|
|
extern int cap_drop_bound(cap_value_t);
|
|
|
|
#define CAP_IS_SUPPORTED(cap) (cap_get_bound(cap) >= 0)
|
|
|
|
/* libcap/cap_extint.c */
|
|
extern ssize_t cap_size(cap_t);
|
|
extern ssize_t cap_copy_ext(void *, cap_t, ssize_t);
|
|
extern cap_t cap_copy_int(const void *);
|
|
|
|
/* libcap/cap_text.c */
|
|
extern cap_t cap_from_text(const char *);
|
|
extern char * cap_to_text(cap_t, ssize_t *);
|
|
extern int cap_from_name(const char *, cap_value_t *);
|
|
extern char * cap_to_name(cap_value_t);
|
|
|
|
#define CAP_DIFFERS(result, flag) (((result) & (1 << (flag))) != 0)
|
|
extern int cap_compare(cap_t, cap_t);
|
|
|
|
/* system calls - look to libc for function to system call mapping */
|
|
extern int capset(cap_user_header_t header, cap_user_data_t data);
|
|
extern int capget(cap_user_header_t header, const cap_user_data_t data);
|
|
|
|
/* deprecated - use cap_get_pid() */
|
|
extern int capgetp(pid_t pid, cap_t cap_d);
|
|
|
|
/* not valid with filesystem capability support - use cap_set_proc() */
|
|
extern int capsetp(pid_t pid, cap_t cap_d);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_CAPABILITY_H */
|