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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 #ifndef _SYS_CRED_H 36 #define _SYS_CRED_H 37 38 #pragma ident "%Z%%M% %I% %E% SMI" 39 40 #include <sys/types.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 /* 47 * The credential is an opaque kernel private data structure defined in 48 * <sys/cred_impl.h>. 49 */ 50 51 typedef struct cred cred_t; 52 53 #ifdef _KERNEL 54 55 #define CRED() curthread->t_cred 56 57 struct proc; /* cred.h is included in proc.h */ 58 struct prcred; 59 60 struct auditinfo_addr; /* cred.h is included in audit.h */ 61 62 extern int ngroups_max; 63 /* 64 * kcred is used when you need all privileges. 65 */ 66 extern struct cred *kcred; 67 68 extern void cred_init(void); 69 extern void crhold(cred_t *); 70 extern void crfree(cred_t *); 71 extern cred_t *cralloc(void); /* all but ref uninitialized */ 72 extern cred_t *crget(void); /* initialized */ 73 extern cred_t *crcopy(cred_t *); 74 extern void crcopy_to(cred_t *, cred_t *); 75 extern cred_t *crdup(cred_t *); 76 extern void crdup_to(cred_t *, cred_t *); 77 extern cred_t *crgetcred(void); 78 extern void crset(struct proc *, cred_t *); 79 extern int groupmember(gid_t, const cred_t *); 80 extern int supgroupmember(gid_t, const cred_t *); 81 extern int hasprocperm(const cred_t *, const cred_t *); 82 extern int prochasprocperm(struct proc *, struct proc *, const cred_t *); 83 extern int crcmp(const cred_t *, const cred_t *); 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 extern const struct auditinfo_addr *crgetauinfo(const cred_t *); 95 extern struct auditinfo_addr *crgetauinfo_modifiable(cred_t *); 96 97 extern uint_t crgetref(const cred_t *); 98 99 extern const gid_t *crgetgroups(const cred_t *); 100 101 extern int crgetngroups(const cred_t *); 102 103 /* 104 * Sets real, effective and/or saved uid/gid; 105 * -1 argument accepted as "no change". 106 */ 107 extern int crsetresuid(cred_t *, uid_t, uid_t, uid_t); 108 extern int crsetresgid(cred_t *, gid_t, gid_t, gid_t); 109 110 /* 111 * Sets real, effective and saved uids/gids all to the same 112 * values. Both values must be non-negative and <= MAXUID 113 */ 114 extern int crsetugid(cred_t *, uid_t, gid_t); 115 116 extern int crsetgroups(cred_t *, int, gid_t *); 117 118 /* 119 * Private interface for setting zone association of credential. 120 */ 121 struct zone; 122 extern void crsetzone(cred_t *, struct zone *); 123 124 /* 125 * Private interface for setting project id in credential. 126 */ 127 extern void crsetprojid(cred_t *, projid_t); 128 129 /* 130 * Private interface for nfs. 131 */ 132 extern cred_t *crnetadjust(cred_t *); 133 134 /* 135 * Private interface for procfs. 136 */ 137 extern void cred2prcred(const cred_t *, struct prcred *); 138 139 #endif /* _KERNEL */ 140 141 #ifdef __cplusplus 142 } 143 #endif 144 145 #endif /* _SYS_CRED_H */ 146