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 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 29 /* 30 * Portions of this source code were derived from Berkeley 4.3 BSD 31 * under license from the Regents of the University of California. 32 */ 33 34 #ifndef _SYS_CRED_H 35 #define _SYS_CRED_H 36 37 #pragma ident "%Z%%M% %I% %E% SMI" 38 39 #include <sys/types.h> 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 /* 46 * The credential is an opaque kernel private data structure defined in 47 * <sys/cred_impl.h>. 48 */ 49 50 typedef struct cred cred_t; 51 52 #ifdef _KERNEL 53 54 #define CRED() curthread->t_cred 55 56 struct proc; /* cred.h is included in proc.h */ 57 struct prcred; 58 59 struct auditinfo_addr; /* cred.h is included in audit.h */ 60 61 extern int ngroups_max; 62 /* 63 * kcred is used when you need all privileges. 64 */ 65 extern struct cred *kcred; 66 67 extern void cred_init(void); 68 extern void crhold(cred_t *); 69 extern void crfree(cred_t *); 70 extern cred_t *cralloc(void); /* all but ref uninitialized */ 71 extern cred_t *crget(void); /* initialized */ 72 extern cred_t *crcopy(cred_t *); 73 extern void crcopy_to(cred_t *, cred_t *); 74 extern cred_t *crdup(cred_t *); 75 extern void crdup_to(cred_t *, cred_t *); 76 extern cred_t *crgetcred(void); 77 extern void crset(struct proc *, cred_t *); 78 extern int groupmember(gid_t, const cred_t *); 79 extern int supgroupmember(gid_t, const cred_t *); 80 extern int hasprocperm(const cred_t *, const cred_t *); 81 extern int prochasprocperm(struct proc *, struct proc *, const cred_t *); 82 extern int crcmp(const cred_t *, const cred_t *); 83 extern cred_t *zone_kcred(void); 84 85 extern uid_t crgetuid(const cred_t *); 86 extern uid_t crgetruid(const cred_t *); 87 extern uid_t crgetsuid(const cred_t *); 88 extern gid_t crgetgid(const cred_t *); 89 extern gid_t crgetrgid(const cred_t *); 90 extern gid_t crgetsgid(const cred_t *); 91 extern zoneid_t crgetzoneid(const cred_t *); 92 extern projid_t crgetprojid(const cred_t *); 93 94 95 extern const struct auditinfo_addr *crgetauinfo(const cred_t *); 96 extern struct auditinfo_addr *crgetauinfo_modifiable(cred_t *); 97 98 extern uint_t crgetref(const cred_t *); 99 100 extern const gid_t *crgetgroups(const cred_t *); 101 102 extern int crgetngroups(const cred_t *); 103 104 /* 105 * Sets real, effective and/or saved uid/gid; 106 * -1 argument accepted as "no change". 107 */ 108 extern int crsetresuid(cred_t *, uid_t, uid_t, uid_t); 109 extern int crsetresgid(cred_t *, gid_t, gid_t, gid_t); 110 111 /* 112 * Sets real, effective and saved uids/gids all to the same 113 * values. Both values must be non-negative and <= MAXUID 114 */ 115 extern int crsetugid(cred_t *, uid_t, gid_t); 116 117 extern int crsetgroups(cred_t *, int, gid_t *); 118 119 /* 120 * Private interface for setting zone association of credential. 121 */ 122 struct zone; 123 extern void crsetzone(cred_t *, struct zone *); 124 extern struct zone *crgetzone(const cred_t *); 125 126 /* 127 * Private interface for setting project id in credential. 128 */ 129 extern void crsetprojid(cred_t *, projid_t); 130 131 /* 132 * Private interface for nfs. 133 */ 134 extern cred_t *crnetadjust(cred_t *); 135 136 /* 137 * Private interface for procfs. 138 */ 139 extern void cred2prcred(const cred_t *, struct prcred *); 140 141 /* 142 * Private interfaces for Rampart Trusted Solaris. 143 */ 144 struct ts_label_s; 145 extern struct ts_label_s *crgetlabel(const cred_t *); 146 extern boolean_t crisremote(const cred_t *); 147 148 #endif /* _KERNEL */ 149 150 #ifdef __cplusplus 151 } 152 #endif 153 154 #endif /* _SYS_CRED_H */ 155