/* * <sys/capability.h> * *  * Copyright (C) 1997   Aleph One * Copyright (C) 1997-8 Andrew G. Morgan <morgan@linux.kernel.org> * * defunct POSIX.1e Standard: 25.2 Capabilities           <sys/capability.h> */#ifndef _SYS_CAPABILITY_H#define _SYS_CAPABILITY_H#ifdef __cplusplusextern "C" {#endif/* * This file complements the kernel file by providing prototype * information for the user library. */#define _LINUX_FS_H#include <sys/types.h>#include <linux/capability.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 */cap_t   cap_dup(cap_t);int     cap_free(void *);cap_t   cap_init(void);/* libcap/cap_flag.c */int     cap_get_flag(cap_t, cap_value_t, cap_flag_t, cap_flag_value_t *);int     cap_set_flag(cap_t, cap_flag_t, int, cap_value_t *, cap_flag_value_t);int     cap_clear(cap_t);/* libcap/cap_file.c */cap_t   cap_get_fd(int);cap_t   cap_get_file(const char *);int     cap_set_fd(int, cap_t);int     cap_set_file(const char *, cap_t);/* libcap/cap_proc.c */cap_t   cap_get_proc(void);int     cap_set_proc(cap_t);/* libcap/cap_extint.c */ssize_t cap_size(cap_t);ssize_t cap_copy_ext(void *, cap_t, ssize_t);cap_t   cap_copy_int(const void *);/* libcap/cap_text.c */cap_t   cap_from_text(const char *);char *  cap_to_text(cap_t, ssize_t *);/* * Linux capability system calls: defined in libcap but only available * if the following _POSIX_SOURCE is _undefined_ */#if !defined(_POSIX_SOURCE)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);extern int capgetp(pid_t pid, cap_t cap_d);extern int capsetp(pid_t pid, cap_t cap_d);extern char const *_cap_names[];#endif /* !defined(_POSIX_SOURCE) */#ifdef __cplusplus}#endif#endif /* _SYS_CAPABILITY_H */