brand.h revision 9a5d73e03cd3312ddb571a748c40a63c58bd66e5
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_BRAND_H
#define _SYS_BRAND_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/proc.h>
#include <sys/exec.h>
/*
* All Brands supported by this kernel must use BRAND_VER_1.
*/
#define BRAND_VER_1 1
/*
* sub-commands to brandsys.
* 1 - 128 are for common commands
* 128+ are available for brand-specific commands.
*/
#define B_REGISTER 1
#define B_TTYMODES 2
#define B_ELFDATA 3
#define B_EXEC_NATIVE 4
#define B_EXEC_BRAND 5
/*
* Structure used by zoneadmd to communicate the name of a brand and the
* supporting brand module into the kernel.
*/
struct brand_attr {
char ba_brandname[MAXNAMELEN];
char ba_modname[MAXPATHLEN];
};
/* What we call the native brand. */
#define NATIVE_BRAND_NAME "native"
/* What we call the labeled brand. */
#define LABELED_BRAND_NAME "labeled"
#ifdef _KERNEL
/* Root for branded zone's native binaries */
#define NATIVE_ROOT "/native/"
struct proc;
struct uarg;
struct brand_mach_ops;
struct intpdata;
struct execa;
struct brand_ops {
void (*b_init_brand_data)(zone_t *);
void (*b_free_brand_data)(zone_t *);
int (*b_brandsys)(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
uintptr_t, uintptr_t, uintptr_t);
void (*b_setbrand)(struct proc *);
int (*b_getattr)(zone_t *, int, void *, size_t *);
int (*b_setattr)(zone_t *, int, void *, size_t);
void (*b_copy_procdata)(struct proc *, struct proc *);
void (*b_proc_exit)(struct proc *, klwp_t *);
void (*b_exec)();
void (*b_lwp_setrval)(klwp_t *, int, int);
int (*b_initlwp)(klwp_t *);
void (*b_forklwp)(klwp_t *, klwp_t *);
void (*b_freelwp)(klwp_t *);
void (*b_lwpexit)(klwp_t *);
int (*b_elfexec)(struct vnode *vp, struct execa *uap,
struct uarg *args, struct intpdata *idata, int level,
long *execsz, int setid, caddr_t exec_file,
struct cred *cred, int brand_action);
};
/*
* The b_version field must always be the first entry in this struct.
*/
typedef struct brand {
int b_version;
char *b_name;
struct brand_ops *b_ops;
struct brand_mach_ops *b_machops;
} brand_t;
extern brand_t native_brand;
/*
* Convenience macros
*/
#define lwptolwpbrand(l) ((l)->lwp_brand)
#define ttolwpbrand(t) (lwptolwpbrand(ttolwp(t)))
#define PROC_IS_BRANDED(p) ((p)->p_brand != &native_brand)
#define ZONE_IS_BRANDED(z) ((z)->zone_brand != &native_brand)
#define BROP(p) ((p)->p_brand->b_ops)
#define ZBROP(z) ((z)->zone_brand->b_ops)
#define BRMOP(p) ((p)->p_brand->b_machops)
extern void brand_init();
extern int brand_register(brand_t *);
extern int brand_unregister(brand_t *);
extern brand_t *brand_register_zone(struct brand_attr *);
extern brand_t *brand_find_name(char *);
extern void brand_unregister_zone(brand_t *);
extern int brand_zone_count(brand_t *);
extern void brand_setbrand(proc_t *);
extern void brand_clearbrand(proc_t *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BRAND_H */