1/* $NetBSD: cred.h,v 1.4 2010/03/13 22:31:15 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/compat/opensolaris/sys/cred.h,v 1.1 2007/04/06 01:09:06 pjd Exp $ 29 */ 30 31#ifndef _OPENSOLARIS_SYS_CRED_H_ 32#define _OPENSOLARIS_SYS_CRED_H_ 33 34#include <sys/param.h> 35#include <sys/types.h> 36 37#ifdef _KERNEL 38#include <sys/kauth.h> 39 40#define CRED() (kauth_cred_get()) 41#define KCRED() (cred0) 42#define kcred cred0 43 44extern kauth_cred_t cred0; 45 46#define crget(cr) cr = kauth_cred_get() 47#define crgetuid(cr) kauth_cred_getuid(cr) 48#define crgetgid(cr) kauth_cred_getgid(cr) 49#define crgetngroups(cr) kauth_cred_ngroups(cr) 50#define cralloc() kauth_cred_alloc() 51#define crfree(cr) kauth_cred_free(cr) 52#define crsetugid(cr, u, g) ( \ 53 kauth_cred_setuid(cr, u), \ 54 kauth_cred_setgid(cr, g), \ 55 kauth_cred_seteuid(cr, u), \ 56 kauth_cred_setegid(cr, g), \ 57 kauth_cred_setsvuid(cr, u), \ 58 kauth_cred_setsvgid(cr, g), 0) 59#define crsetgroups(cr, gc, ga) \ 60 kauth_cred_setgroups(cr, ga, gc, 0, UIO_SYSSPACE) 61#define crgetsid(cr, i) (NULL) 62 63static __inline gid_t * 64crgetgroups(cred_t *cr) 65{ 66 static gid_t gids[NGROUPS_MAX]; 67 68 memset(gids, 0, NGROUPS_MAX); 69 if (kauth_cred_getgroups(cr, gids, NGROUPS_MAX, UIO_SYSSPACE) != 0) 70 return NULL; 71 72 return gids; 73} 74 75static __inline int 76groupmember(gid_t gid, cred_t *cr) 77{ 78 int result; 79 80 kauth_cred_ismember_gid(cr, gid, &result); 81 82 return result; 83} 84 85#endif /* _KERNEL */ 86 87#endif /* _OPENSOLARIS_SYS_CRED_H_ */ 88