| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ |
| | 29 | /* |
| | 30 | * Copyright (c) 1989, 1993 |
| | 31 | * The Regents of the University of California. All rights reserved. |
| | 32 | * |
| | 33 | * Redistribution and use in source and binary forms, with or without |
| | 34 | * modification, are permitted provided that the following conditions |
| | 35 | * are met: |
| | 36 | * 1. Redistributions of source code must retain the above copyright |
| | 37 | * notice, this list of conditions and the following disclaimer. |
| | 38 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 39 | * notice, this list of conditions and the following disclaimer in the |
| | 40 | * documentation and/or other materials provided with the distribution. |
| | 41 | * 3. All advertising materials mentioning features or use of this software |
| | 42 | * must display the following acknowledgement: |
| | 43 | * This product includes software developed by the University of |
| | 44 | * California, Berkeley and its contributors. |
| | 45 | * 4. Neither the name of the University nor the names of its contributors |
| | 46 | * may be used to endorse or promote products derived from this software |
| | 47 | * without specific prior written permission. |
| | 48 | * |
| | 49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 59 | * SUCH DAMAGE. |
| | 60 | * |
| | 61 | * @(#)ucred.h 8.4 (Berkeley) 1/9/95 |
| | 62 | */ |
| | 63 | /* |
| | 64 | * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce |
| | 65 | * support for mandatory and extensible security protections. This notice |
| | 66 | * is included in support of clause 2.2 (b) of the Apple Public License, |
| | 67 | * Version 2.0. |
| | 68 | */ |
| | 69 | |
| | 70 | #ifndef _SYS_UCRED_H_ |
| | 71 | #define _SYS_UCRED_H_ |
| | 72 | |
| | 73 | #include <sys/appleapiopts.h> |
| | 74 | #include <sys/cdefs.h> |
| | 75 | #include <sys/param.h> |
| | 76 | #include <bsm/audit.h> |
| | 77 | |
| | 78 | struct label; |
| | 79 | |
| | 80 | #ifdef __APPLE_API_UNSTABLE |
| | 81 | |
| | 82 | /* |
| | 83 | * In-kernel credential structure. |
| | 84 | * |
| | 85 | * Note that this structure should not be used outside the kernel, nor should |
| | 86 | * it or copies of it be exported outside. |
| | 87 | */ |
| | 88 | struct ucred { |
| | 89 | TAILQ_ENTRY(ucred) cr_link; /* never modify this without KAUTH_CRED_HASH_LOCK */ |
| | 90 | u_long cr_ref; /* reference count */ |
| | 91 | |
| | 92 | /* |
| | 93 | * The credential hash depends on everything from this point on |
| | 94 | * (see kauth_cred_get_hashkey) |
| | 95 | */ |
| | 96 | uid_t cr_uid; /* effective user id */ |
| | 97 | uid_t cr_ruid; /* real user id */ |
| | 98 | uid_t cr_svuid; /* saved user id */ |
| | 99 | short cr_ngroups; /* number of groups in advisory list */ |
| | 100 | gid_t cr_groups[NGROUPS]; /* advisory group list */ |
| | 101 | gid_t cr_rgid; /* real group id */ |
| | 102 | gid_t cr_svgid; /* saved group id */ |
| | 103 | uid_t cr_gmuid; /* UID for group membership purposes */ |
| | 104 | struct auditinfo cr_au; /* user auditing data */ |
| | 105 | struct label *cr_label; /* MAC label */ |
| | 106 | |
| | 107 | int cr_flags; /* flags on credential */ |
| | 108 | /* |
| | 109 | * NOTE: If anything else (besides the flags) |
| | 110 | * added after the label, you must change |
| | 111 | * kauth_cred_find(). |
| | 112 | */ |
| | 113 | }; |
| | 114 | #ifndef _KAUTH_CRED_T |
| | 115 | #define _KAUTH_CRED_T |
| | 116 | typedef struct ucred *kauth_cred_t; |
| | 117 | #endif /* !_KAUTH_CRED_T */ |
| | 118 | |
| | 119 | /* |
| | 120 | * Credential flags that can be set on a credential |
| | 121 | */ |
| | 122 | #define CRF_NOMEMBERD 0x00000001 /* memberd opt out by setgroups() */ |
| | 123 | #define CRF_MAC_ENFORCE 0x00000002 /* force entry through MAC Framework */ |
| | 124 | /* also forces credential cache miss */ |
| | 125 | |
| | 126 | /* |
| | 127 | * This is the external representation of struct ucred. |
| | 128 | */ |
| | 129 | struct xucred { |
| | 130 | u_int cr_version; /* structure layout version */ |
| | 131 | uid_t cr_uid; /* effective user id */ |
| | 132 | short cr_ngroups; /* number of advisory groups */ |
| | 133 | gid_t cr_groups[NGROUPS]; /* advisory group list */ |
| | 134 | }; |
| | 135 | #define XUCRED_VERSION 0 |
| | 136 | |
| | 137 | #define cr_gid cr_groups[0] |
| | 138 | #define NOCRED ((kauth_cred_t )0) /* no credential available */ |
| | 139 | #define FSCRED ((kauth_cred_t )-1) /* filesystem credential */ |
| | 140 | |
| | 141 | #define IS_VALID_CRED(_cr) ((_cr) != NOCRED && (_cr) != FSCRED) |
| | 142 | |
| | 143 | #ifdef KERNEL |
| | 144 | #ifdef __APPLE_API_OBSOLETE |
| | 145 | __BEGIN_DECLS |
| | 146 | int crcmp(kauth_cred_t cr1, kauth_cred_t cr2); |
| | 147 | int suser(kauth_cred_t cred, u_short *acflag); |
| | 148 | int is_suser(void); |
| | 149 | int is_suser1(void); |
| | 150 | int set_security_token(struct proc * p); |
| | 151 | void cru2x(kauth_cred_t cr, struct xucred *xcr); |
| | 152 | __END_DECLS |
| | 153 | #endif /* __APPLE_API_OBSOLETE */ |
| | 154 | #endif /* KERNEL */ |
| | 155 | #endif /* __APPLE_API_UNSTABLE */ |
| | 156 | |
| | 157 | #endif /* !_SYS_UCRED_H_ */ |
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