Deleted Added
full compact
ucred.h (256281) ucred.h (293897)
1/*-
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)ucred.h 8.4 (Berkeley) 1/9/95
1/*-
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)ucred.h 8.4 (Berkeley) 1/9/95
30 * $FreeBSD: stable/10/sys/sys/ucred.h 219304 2011-03-05 12:40:35Z trasz $
30 * $FreeBSD: stable/10/sys/sys/ucred.h 293897 2016-01-14 09:11:42Z glebius $
31 */
32
33#ifndef _SYS_UCRED_H_
34#define _SYS_UCRED_H_
35
36#include <bsm/audit.h>
37
38struct loginclass;
39
40/*
41 * Credentials.
42 *
43 * Please do not inspect cr_uid directly to determine superuserness. The
44 * priv(9) interface should be used to check for privilege.
45 */
46#if defined(_KERNEL) || defined(_WANT_UCRED)
47struct ucred {
48 u_int cr_ref; /* reference count */
49#define cr_startcopy cr_uid
50 uid_t cr_uid; /* effective user id */
51 uid_t cr_ruid; /* real user id */
52 uid_t cr_svuid; /* saved user id */
53 int cr_ngroups; /* number of groups */
54 gid_t cr_rgid; /* real group id */
55 gid_t cr_svgid; /* saved group id */
56 struct uidinfo *cr_uidinfo; /* per euid resource consumption */
57 struct uidinfo *cr_ruidinfo; /* per ruid resource consumption */
58 struct prison *cr_prison; /* jail(2) */
59 struct loginclass *cr_loginclass; /* login class */
60 u_int cr_flags; /* credential flags */
61 void *cr_pspare2[2]; /* general use 2 */
62#define cr_endcopy cr_label
63 struct label *cr_label; /* MAC label */
64 struct auditinfo_addr cr_audit; /* Audit properties. */
65 gid_t *cr_groups; /* groups */
66 int cr_agroups; /* Available groups */
67};
68#define NOCRED ((struct ucred *)0) /* no credential available */
69#define FSCRED ((struct ucred *)-1) /* filesystem credential */
70#endif /* _KERNEL || _WANT_UCRED */
71
72#define XU_NGROUPS 16
73
74/*
75 * Flags for cr_flags.
76 */
77#define CRED_FLAG_CAPMODE 0x00000001 /* In capability mode. */
78
79/*
80 * This is the external representation of struct ucred.
81 */
82struct xucred {
83 u_int cr_version; /* structure layout version */
84 uid_t cr_uid; /* effective user id */
85 short cr_ngroups; /* number of groups */
86 gid_t cr_groups[XU_NGROUPS]; /* groups */
87 void *_cr_unused1; /* compatibility with old ucred */
88};
89#define XUCRED_VERSION 0
90
91/* This can be used for both ucred and xucred structures. */
92#define cr_gid cr_groups[0]
93
94#ifdef _KERNEL
95struct proc;
96struct thread;
97
98void change_egid(struct ucred *newcred, gid_t egid);
99void change_euid(struct ucred *newcred, struct uidinfo *euip);
100void change_rgid(struct ucred *newcred, gid_t rgid);
101void change_ruid(struct ucred *newcred, struct uidinfo *ruip);
102void change_svgid(struct ucred *newcred, gid_t svgid);
103void change_svuid(struct ucred *newcred, uid_t svuid);
104void crcopy(struct ucred *dest, struct ucred *src);
105struct ucred *crcopysafe(struct proc *p, struct ucred *cr);
106struct ucred *crdup(struct ucred *cr);
31 */
32
33#ifndef _SYS_UCRED_H_
34#define _SYS_UCRED_H_
35
36#include <bsm/audit.h>
37
38struct loginclass;
39
40/*
41 * Credentials.
42 *
43 * Please do not inspect cr_uid directly to determine superuserness. The
44 * priv(9) interface should be used to check for privilege.
45 */
46#if defined(_KERNEL) || defined(_WANT_UCRED)
47struct ucred {
48 u_int cr_ref; /* reference count */
49#define cr_startcopy cr_uid
50 uid_t cr_uid; /* effective user id */
51 uid_t cr_ruid; /* real user id */
52 uid_t cr_svuid; /* saved user id */
53 int cr_ngroups; /* number of groups */
54 gid_t cr_rgid; /* real group id */
55 gid_t cr_svgid; /* saved group id */
56 struct uidinfo *cr_uidinfo; /* per euid resource consumption */
57 struct uidinfo *cr_ruidinfo; /* per ruid resource consumption */
58 struct prison *cr_prison; /* jail(2) */
59 struct loginclass *cr_loginclass; /* login class */
60 u_int cr_flags; /* credential flags */
61 void *cr_pspare2[2]; /* general use 2 */
62#define cr_endcopy cr_label
63 struct label *cr_label; /* MAC label */
64 struct auditinfo_addr cr_audit; /* Audit properties. */
65 gid_t *cr_groups; /* groups */
66 int cr_agroups; /* Available groups */
67};
68#define NOCRED ((struct ucred *)0) /* no credential available */
69#define FSCRED ((struct ucred *)-1) /* filesystem credential */
70#endif /* _KERNEL || _WANT_UCRED */
71
72#define XU_NGROUPS 16
73
74/*
75 * Flags for cr_flags.
76 */
77#define CRED_FLAG_CAPMODE 0x00000001 /* In capability mode. */
78
79/*
80 * This is the external representation of struct ucred.
81 */
82struct xucred {
83 u_int cr_version; /* structure layout version */
84 uid_t cr_uid; /* effective user id */
85 short cr_ngroups; /* number of groups */
86 gid_t cr_groups[XU_NGROUPS]; /* groups */
87 void *_cr_unused1; /* compatibility with old ucred */
88};
89#define XUCRED_VERSION 0
90
91/* This can be used for both ucred and xucred structures. */
92#define cr_gid cr_groups[0]
93
94#ifdef _KERNEL
95struct proc;
96struct thread;
97
98void change_egid(struct ucred *newcred, gid_t egid);
99void change_euid(struct ucred *newcred, struct uidinfo *euip);
100void change_rgid(struct ucred *newcred, gid_t rgid);
101void change_ruid(struct ucred *newcred, struct uidinfo *ruip);
102void change_svgid(struct ucred *newcred, gid_t svgid);
103void change_svuid(struct ucred *newcred, uid_t svuid);
104void crcopy(struct ucred *dest, struct ucred *src);
105struct ucred *crcopysafe(struct proc *p, struct ucred *cr);
106struct ucred *crdup(struct ucred *cr);
107void crextend(struct ucred *cr, int n);
107void cred_update_thread(struct thread *td);
108void crfree(struct ucred *cr);
109struct ucred *crget(void);
110struct ucred *crhold(struct ucred *cr);
111int crshared(struct ucred *cr);
112void cru2x(struct ucred *cr, struct xucred *xcr);
113void crsetgroups(struct ucred *cr, int n, gid_t *groups);
114int groupmember(gid_t gid, struct ucred *cred);
115#endif /* _KERNEL */
116
117#endif /* !_SYS_UCRED_H_ */
108void cred_update_thread(struct thread *td);
109void crfree(struct ucred *cr);
110struct ucred *crget(void);
111struct ucred *crhold(struct ucred *cr);
112int crshared(struct ucred *cr);
113void cru2x(struct ucred *cr, struct xucred *xcr);
114void crsetgroups(struct ucred *cr, int n, gid_t *groups);
115int groupmember(gid_t gid, struct ucred *cred);
116#endif /* _KERNEL */
117
118#endif /* !_SYS_UCRED_H_ */