1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_CRED_IMPL_H 27 #define _SYS_CRED_IMPL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/types.h> 32 #include <sys/cred.h> 33 #include <sys/priv_impl.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * The user credential implementation. 41 * 42 * This is is not a public interface. This file must not be included 43 * except by those routines in Solaris proper that implement credential 44 * manipulation and kernel policy. 45 * 46 * Credentials are shared, and therefor read-only, data structure. 47 * After finalization, on the cr_ref field is changed through crhold/crfree. 48 * 49 * Kernel modules that need access to fields of cred_t should use the 50 * accessor functions defined in <sys/cred.h> 51 * 52 * The size of the cr_groups[] array is configurable but is the same 53 * (ngroups_max) for all cred_impl structures; cr_ngroups records the number 54 * of elements currently in use, not the array size. 55 * 56 * Changes in the implementation will move cr_groups[] around. 57 * 58 * Properly sized cred_t structures are only returned by crget()/crdup() 59 * crcopy(). It is not possible to declare one. 60 */ 61 62 #if defined(_KERNEL) || defined(_KMEMUSER) 63 64 struct zone; /* forward reference */ 65 struct ts_label_s; /* forward reference */ 66 67 struct cred { 68 uint_t cr_ref; /* reference count */ 69 uid_t cr_uid; /* effective user id */ 70 gid_t cr_gid; /* effective group id */ 71 uid_t cr_ruid; /* real user id */ 72 gid_t cr_rgid; /* real group id */ 73 uid_t cr_suid; /* "saved" user id (from exec) */ 74 gid_t cr_sgid; /* "saved" group id (from exec) */ 75 uint_t cr_ngroups; /* number of groups returned by */ 76 /* crgroups() */ 77 cred_priv_t cr_priv; /* privileges */ 78 projid_t cr_projid; /* project */ 79 struct zone *cr_zone; /* pointer to per-zone structure */ 80 struct ts_label_s *cr_label; /* pointer to the effective label */ 81 gid_t cr_groups[1]; /* cr_groups size not fixed */ 82 /* audit info is defined dynamically */ 83 /* and valid only when audit enabled */ 84 /* auditinfo_addr_t cr_auinfo; audit info */ 85 }; 86 87 extern int ngroups_max; 88 89 #define CR_PRIVS(c) (&(c)->cr_priv) 90 #define CR_PRIVSETS(c) (((c)->cr_priv.crprivs)) 91 92 #endif /* _KERNEL */ 93 94 #ifdef __cplusplus 95 } 96 #endif 97 98 #endif /* _SYS_CRED_IMPL_H */ 99