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 * File with private definitions for the ucred structure for use by the 27 * kernel and library routines. 28 */ 29 30 #ifndef _SYS_UCRED_H 31 #define _SYS_UCRED_H 32 33 #pragma ident "%Z%%M% %I% %E% SMI" 34 35 #include <sys/types.h> 36 #include <sys/procfs.h> 37 #include <sys/cred.h> 38 #include <sys/priv.h> 39 40 #ifdef _KERNEL 41 #include <c2/audit.h> 42 #else 43 #include <bsm/audit.h> 44 #endif 45 46 #ifndef _KERNEL 47 #include <unistd.h> 48 #endif 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif 53 54 55 56 #if defined(_KERNEL) || _STRUCTURED_PROC != 0 57 /* 58 * bitness neutral struct 59 * 60 * Add new fixed fields at the end of the structure. 61 */ 62 struct ucred_s { 63 uint32_t uc_size; /* Size of the full structure */ 64 uint32_t uc_credoff; /* Credential offset: 0 - no cred */ 65 uint32_t uc_privoff; /* Privilege offset: 0 - no privs */ 66 pid_t uc_pid; /* Process id */ 67 uint32_t uc_audoff; /* Audit info offset: 0 - no aud */ 68 zoneid_t uc_zoneid; /* Zone id */ 69 projid_t uc_projid; /* Project id */ 70 /* The rest goes here */ 71 }; 72 73 /* Get the process credentials */ 74 #define UCCRED(uc) (prcred_t *)(((uc)->uc_credoff == 0) ? NULL : \ 75 ((char *)(uc)) + (uc)->uc_credoff) 76 77 /* Get the process privileges */ 78 #define UCPRIV(uc) (prpriv_t *)(((uc)->uc_privoff == 0) ? NULL : \ 79 ((char *)(uc)) + (uc)->uc_privoff) 80 81 /* Get the process audit info */ 82 #define UCAUD(uc) (auditinfo64_addr_t *)(((uc)->uc_audoff == 0) ? NULL : \ 83 ((char *)(uc)) + (uc)->uc_audoff) 84 85 #define UCRED_CRED_OFF (sizeof (struct ucred_s)) 86 87 #endif /* _KERNEL || _STRUCTURED_PROC != 0 */ 88 89 /* 90 * SYS_ucredsys subcodes. 91 */ 92 #define UCREDSYS_UCREDGET 0 93 #define UCREDSYS_GETPEERUCRED 1 94 95 #ifdef _KERNEL 96 97 extern uint32_t ucredsize; 98 99 #define UCRED_PRIV_OFF (UCRED_CRED_OFF + sizeof (prcred_t) + \ 100 (ngroups_max - 1) * sizeof (gid_t)) 101 #define UCRED_AUD_OFF (UCRED_PRIV_OFF + priv_prgetprivsize(NULL)) 102 #define UCRED_SIZE (UCRED_AUD_OFF + get_audit_ucrsize()) 103 104 struct proc; 105 106 extern struct ucred_s *pgetucred(struct proc *); 107 extern struct ucred_s *cred2ucred(const cred_t *, pid_t, void *); 108 extern int get_audit_ucrsize(void); 109 110 #else 111 112 /* Definition only valid for structured proc. */ 113 #if _STRUCTURED_PROC != 0 114 #define UCRED_SIZE(ip) (sizeof (struct ucred_s) + sizeof (prcred_t) + \ 115 ((int)sysconf(_SC_NGROUPS_MAX) - 1) * sizeof (gid_t) + \ 116 sizeof (prpriv_t) + \ 117 sizeof (priv_chunk_t) * \ 118 ((ip)->priv_setsize * (ip)->priv_nsets - 1) + \ 119 (ip)->priv_infosize + \ 120 sizeof (auditinfo64_addr_t)) 121 #endif 122 123 extern struct ucred_s *_ucred_alloc(void); 124 125 #endif 126 127 #ifdef __cplusplus 128 } 129 #endif 130 131 #endif /* _SYS_UCRED_H */ 132