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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/* Copyright 2014, Richard Lowe */
#ifndef _SYS_SECFLAGS_H
#define _SYS_SECFLAGS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/procset.h>
struct proc;
typedef uint64_t secflagset_t;
typedef struct psecflags {
secflagset_t psf_effective;
secflagset_t psf_inherit;
secflagset_t psf_lower;
secflagset_t psf_upper;
} psecflags_t;
typedef struct secflagdelta {
secflagset_t psd_add; /* Flags to add */
secflagset_t psd_rem; /* Flags to remove */
secflagset_t psd_assign; /* Flags to assign */
boolean_t psd_ass_active; /* Need to assign */
} secflagdelta_t;
typedef enum {
PSF_EFFECTIVE = 0,
PSF_INHERIT,
PSF_LOWER,
PSF_UPPER
} psecflagwhich_t;
/*
* p_secflags codes
*
* These flags indicate the extra security-related features enabled for a
* given process.
*/
typedef enum {
PROC_SEC_ASLR = 0,
PROC_SEC_FORBIDNULLMAP,
PROC_SEC_NOEXECSTACK
} secflag_t;
extern secflagset_t secflag_to_bit(secflag_t);
extern boolean_t secflag_isset(secflagset_t, secflag_t);
extern void secflag_clear(secflagset_t *, secflag_t);
extern void secflag_set(secflagset_t *, secflag_t);
extern boolean_t secflags_isempty(secflagset_t);
extern void secflags_zero(secflagset_t *);
extern void secflags_fullset(secflagset_t *);
extern void secflags_copy(secflagset_t *, const secflagset_t *);
extern boolean_t secflags_issubset(secflagset_t, secflagset_t);
extern boolean_t secflags_issuperset(secflagset_t, secflagset_t);
extern boolean_t secflags_intersection(secflagset_t, secflagset_t);
extern void secflags_union(secflagset_t *, const secflagset_t *);
extern void secflags_difference(secflagset_t *, const secflagset_t *);
extern boolean_t psecflags_validate_delta(const psecflags_t *,
const secflagdelta_t *);
extern boolean_t psecflags_validate(const psecflags_t *);
extern void psecflags_default(psecflags_t *sf);
extern const char *secflag_to_str(secflag_t);
extern boolean_t secflag_by_name(const char *, secflag_t *);
extern void secflags_to_str(secflagset_t, char *, size_t);
/* All valid bits */
#define PROC_SEC_MASK (secflag_to_bit(PROC_SEC_ASLR) | \
secflag_to_bit(PROC_SEC_FORBIDNULLMAP) | \
secflag_to_bit(PROC_SEC_NOEXECSTACK))
#if !defined(_KERNEL)
extern int secflags_parse(const secflagset_t *, const char *, secflagdelta_t *);
extern int psecflags(idtype_t, id_t, psecflagwhich_t, secflagdelta_t *);
#endif
#if defined(_KERNEL)
extern boolean_t secflag_enabled(struct proc *, secflag_t);
extern void secflags_promote(struct proc *);
extern void secflags_apply_delta(secflagset_t *, const secflagdelta_t *);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SECFLAGS_H */
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