xref: /illumos-gate/usr/src/lib/libc/port/gen/ucred.c (revision 7c478bd95313f5f23a4c958a745db2134aa0324)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #pragma weak ucred_free	 = _ucred_free
30*7c478bd9Sstevel@tonic-gate #pragma weak ucred_get	 = _ucred_get
31*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getegid = _ucred_getegid
32*7c478bd9Sstevel@tonic-gate #pragma weak ucred_geteuid = _ucred_geteuid
33*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getgroups = _ucred_getgroups
34*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getpflags = _ucred_getpflags
35*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getpid = _ucred_getpid
36*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getzoneid = _ucred_getzoneid
37*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getprojid = _ucred_getprojid
38*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getprivset = _ucred_getprivset
39*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getrgid = _ucred_getrgid
40*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getruid = _ucred_getruid
41*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getsgid = _ucred_getsgid
42*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getsuid = _ucred_getsuid
43*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getauid = _ucred_getauid
44*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getasid = _ucred_getasid
45*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getatid = _ucred_getatid
46*7c478bd9Sstevel@tonic-gate #pragma weak ucred_getamask = _ucred_getamask
47*7c478bd9Sstevel@tonic-gate #pragma weak ucred_size	 = _ucred_size
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate #include "synonyms.h"
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate #define	_STRUCTURED_PROC	1
52*7c478bd9Sstevel@tonic-gate 
53*7c478bd9Sstevel@tonic-gate #include "priv_private.h"
54*7c478bd9Sstevel@tonic-gate #include <errno.h>
55*7c478bd9Sstevel@tonic-gate #include <priv.h>
56*7c478bd9Sstevel@tonic-gate #include <stdarg.h>
57*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
58*7c478bd9Sstevel@tonic-gate #include <stdio.h>
59*7c478bd9Sstevel@tonic-gate #include <unistd.h>
60*7c478bd9Sstevel@tonic-gate #include <ucred.h>
61*7c478bd9Sstevel@tonic-gate #include <limits.h>
62*7c478bd9Sstevel@tonic-gate #include <fcntl.h>
63*7c478bd9Sstevel@tonic-gate #include <door.h>
64*7c478bd9Sstevel@tonic-gate #include <alloca.h>
65*7c478bd9Sstevel@tonic-gate #include <sys/ucred.h>
66*7c478bd9Sstevel@tonic-gate #include <sys/procfs.h>
67*7c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h>
68*7c478bd9Sstevel@tonic-gate #include <sys/zone.h>
69*7c478bd9Sstevel@tonic-gate 
70*7c478bd9Sstevel@tonic-gate ucred_t *
71*7c478bd9Sstevel@tonic-gate _ucred_alloc(void)
72*7c478bd9Sstevel@tonic-gate {
73*7c478bd9Sstevel@tonic-gate 	ucred_t *r;
74*7c478bd9Sstevel@tonic-gate 	size_t sz = ucred_size();
75*7c478bd9Sstevel@tonic-gate 
76*7c478bd9Sstevel@tonic-gate 	r = malloc(sz);
77*7c478bd9Sstevel@tonic-gate 
78*7c478bd9Sstevel@tonic-gate 	if (r != NULL)
79*7c478bd9Sstevel@tonic-gate 		r->uc_size = (uint32_t)sz;
80*7c478bd9Sstevel@tonic-gate 
81*7c478bd9Sstevel@tonic-gate 	return (r);
82*7c478bd9Sstevel@tonic-gate }
83*7c478bd9Sstevel@tonic-gate 
84*7c478bd9Sstevel@tonic-gate void
85*7c478bd9Sstevel@tonic-gate ucred_free(ucred_t *uc)
86*7c478bd9Sstevel@tonic-gate {
87*7c478bd9Sstevel@tonic-gate 	free(uc);
88*7c478bd9Sstevel@tonic-gate }
89*7c478bd9Sstevel@tonic-gate 
90*7c478bd9Sstevel@tonic-gate 
91*7c478bd9Sstevel@tonic-gate ucred_t *
92*7c478bd9Sstevel@tonic-gate ucred_get(pid_t pid)
93*7c478bd9Sstevel@tonic-gate {
94*7c478bd9Sstevel@tonic-gate 	ucred_t *uc;
95*7c478bd9Sstevel@tonic-gate 
96*7c478bd9Sstevel@tonic-gate 	uc = _ucred_alloc();
97*7c478bd9Sstevel@tonic-gate 
98*7c478bd9Sstevel@tonic-gate 	if (uc == NULL)
99*7c478bd9Sstevel@tonic-gate 		return (NULL);
100*7c478bd9Sstevel@tonic-gate 
101*7c478bd9Sstevel@tonic-gate 	if (syscall(SYS_ucredsys, UCREDSYS_UCREDGET, pid, uc) != 0) {
102*7c478bd9Sstevel@tonic-gate 		ucred_free(uc);
103*7c478bd9Sstevel@tonic-gate 		return (NULL);
104*7c478bd9Sstevel@tonic-gate 	}
105*7c478bd9Sstevel@tonic-gate 
106*7c478bd9Sstevel@tonic-gate 	return (uc);
107*7c478bd9Sstevel@tonic-gate }
108*7c478bd9Sstevel@tonic-gate 
109*7c478bd9Sstevel@tonic-gate uid_t
110*7c478bd9Sstevel@tonic-gate ucred_geteuid(const ucred_t *uc)
111*7c478bd9Sstevel@tonic-gate {
112*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
113*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
114*7c478bd9Sstevel@tonic-gate 
115*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
116*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
117*7c478bd9Sstevel@tonic-gate 		return (-1);
118*7c478bd9Sstevel@tonic-gate 	}
119*7c478bd9Sstevel@tonic-gate 
120*7c478bd9Sstevel@tonic-gate 	return (cr->pr_euid);
121*7c478bd9Sstevel@tonic-gate }
122*7c478bd9Sstevel@tonic-gate 
123*7c478bd9Sstevel@tonic-gate uid_t
124*7c478bd9Sstevel@tonic-gate ucred_getruid(const ucred_t *uc)
125*7c478bd9Sstevel@tonic-gate {
126*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
127*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
128*7c478bd9Sstevel@tonic-gate 
129*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
130*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
131*7c478bd9Sstevel@tonic-gate 		return (-1);
132*7c478bd9Sstevel@tonic-gate 	}
133*7c478bd9Sstevel@tonic-gate 
134*7c478bd9Sstevel@tonic-gate 	return (cr->pr_ruid);
135*7c478bd9Sstevel@tonic-gate }
136*7c478bd9Sstevel@tonic-gate 
137*7c478bd9Sstevel@tonic-gate uid_t
138*7c478bd9Sstevel@tonic-gate ucred_getsuid(const ucred_t *uc)
139*7c478bd9Sstevel@tonic-gate {
140*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
141*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
142*7c478bd9Sstevel@tonic-gate 
143*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
144*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
145*7c478bd9Sstevel@tonic-gate 		return (-1);
146*7c478bd9Sstevel@tonic-gate 	}
147*7c478bd9Sstevel@tonic-gate 
148*7c478bd9Sstevel@tonic-gate 	return (cr->pr_suid);
149*7c478bd9Sstevel@tonic-gate }
150*7c478bd9Sstevel@tonic-gate 
151*7c478bd9Sstevel@tonic-gate gid_t
152*7c478bd9Sstevel@tonic-gate ucred_getegid(const ucred_t *uc)
153*7c478bd9Sstevel@tonic-gate {
154*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
155*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
156*7c478bd9Sstevel@tonic-gate 
157*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
158*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
159*7c478bd9Sstevel@tonic-gate 		return (-1);
160*7c478bd9Sstevel@tonic-gate 	}
161*7c478bd9Sstevel@tonic-gate 
162*7c478bd9Sstevel@tonic-gate 	return (cr->pr_egid);
163*7c478bd9Sstevel@tonic-gate }
164*7c478bd9Sstevel@tonic-gate 
165*7c478bd9Sstevel@tonic-gate gid_t
166*7c478bd9Sstevel@tonic-gate ucred_getrgid(const ucred_t *uc)
167*7c478bd9Sstevel@tonic-gate {
168*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
169*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
170*7c478bd9Sstevel@tonic-gate 
171*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
172*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
173*7c478bd9Sstevel@tonic-gate 		return (-1);
174*7c478bd9Sstevel@tonic-gate 	}
175*7c478bd9Sstevel@tonic-gate 
176*7c478bd9Sstevel@tonic-gate 	return (cr->pr_rgid);
177*7c478bd9Sstevel@tonic-gate }
178*7c478bd9Sstevel@tonic-gate 
179*7c478bd9Sstevel@tonic-gate gid_t
180*7c478bd9Sstevel@tonic-gate ucred_getsgid(const ucred_t *uc)
181*7c478bd9Sstevel@tonic-gate {
182*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
183*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
184*7c478bd9Sstevel@tonic-gate 
185*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
186*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
187*7c478bd9Sstevel@tonic-gate 		return (-1);
188*7c478bd9Sstevel@tonic-gate 	}
189*7c478bd9Sstevel@tonic-gate 
190*7c478bd9Sstevel@tonic-gate 	return (cr->pr_sgid);
191*7c478bd9Sstevel@tonic-gate }
192*7c478bd9Sstevel@tonic-gate 
193*7c478bd9Sstevel@tonic-gate int
194*7c478bd9Sstevel@tonic-gate ucred_getgroups(const ucred_t *uc, const gid_t **grps)
195*7c478bd9Sstevel@tonic-gate {
196*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
197*7c478bd9Sstevel@tonic-gate 	const prcred_t *cr = UCCRED(uc);
198*7c478bd9Sstevel@tonic-gate 
199*7c478bd9Sstevel@tonic-gate 	if (cr == NULL) {
200*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
201*7c478bd9Sstevel@tonic-gate 		return (-1);
202*7c478bd9Sstevel@tonic-gate 	}
203*7c478bd9Sstevel@tonic-gate 
204*7c478bd9Sstevel@tonic-gate 	if (cr->pr_ngroups > 0)
205*7c478bd9Sstevel@tonic-gate 		*grps = &cr->pr_groups[0];
206*7c478bd9Sstevel@tonic-gate 	else
207*7c478bd9Sstevel@tonic-gate 		*grps = NULL;
208*7c478bd9Sstevel@tonic-gate 
209*7c478bd9Sstevel@tonic-gate 	return (cr->pr_ngroups);
210*7c478bd9Sstevel@tonic-gate }
211*7c478bd9Sstevel@tonic-gate 
212*7c478bd9Sstevel@tonic-gate const priv_set_t *
213*7c478bd9Sstevel@tonic-gate ucred_getprivset(const ucred_t *uc, priv_ptype_t set)
214*7c478bd9Sstevel@tonic-gate {
215*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
216*7c478bd9Sstevel@tonic-gate 	const prpriv_t *pr = UCPRIV(uc);
217*7c478bd9Sstevel@tonic-gate 	int pset = priv_getsetbyname(set);
218*7c478bd9Sstevel@tonic-gate 	priv_data_t *d;
219*7c478bd9Sstevel@tonic-gate 
220*7c478bd9Sstevel@tonic-gate 	if (pr == NULL || pset == -1) {
221*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
222*7c478bd9Sstevel@tonic-gate 		return (NULL);
223*7c478bd9Sstevel@tonic-gate 	}
224*7c478bd9Sstevel@tonic-gate 
225*7c478bd9Sstevel@tonic-gate 	LOADPRIVDATA(d);
226*7c478bd9Sstevel@tonic-gate 
227*7c478bd9Sstevel@tonic-gate 	return ((const priv_set_t *)
228*7c478bd9Sstevel@tonic-gate 	    &pr->pr_sets[d->pd_pinfo->priv_setsize * pset]);
229*7c478bd9Sstevel@tonic-gate }
230*7c478bd9Sstevel@tonic-gate 
231*7c478bd9Sstevel@tonic-gate pid_t
232*7c478bd9Sstevel@tonic-gate ucred_getpid(const ucred_t *uc)
233*7c478bd9Sstevel@tonic-gate {
234*7c478bd9Sstevel@tonic-gate 
235*7c478bd9Sstevel@tonic-gate 	if (uc->uc_pid == -1)
236*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
237*7c478bd9Sstevel@tonic-gate 
238*7c478bd9Sstevel@tonic-gate 	return (uc->uc_pid);
239*7c478bd9Sstevel@tonic-gate }
240*7c478bd9Sstevel@tonic-gate 
241*7c478bd9Sstevel@tonic-gate projid_t
242*7c478bd9Sstevel@tonic-gate ucred_getprojid(const ucred_t *uc)
243*7c478bd9Sstevel@tonic-gate {
244*7c478bd9Sstevel@tonic-gate 
245*7c478bd9Sstevel@tonic-gate 	if (uc->uc_projid == -1)
246*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
247*7c478bd9Sstevel@tonic-gate 
248*7c478bd9Sstevel@tonic-gate 	return (uc->uc_projid);
249*7c478bd9Sstevel@tonic-gate }
250*7c478bd9Sstevel@tonic-gate 
251*7c478bd9Sstevel@tonic-gate zoneid_t
252*7c478bd9Sstevel@tonic-gate ucred_getzoneid(const ucred_t *uc)
253*7c478bd9Sstevel@tonic-gate {
254*7c478bd9Sstevel@tonic-gate 
255*7c478bd9Sstevel@tonic-gate 	if (uc->uc_zoneid < MIN_ZONEID || uc->uc_zoneid > MAX_ZONEID) {
256*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
257*7c478bd9Sstevel@tonic-gate 		return (-1);
258*7c478bd9Sstevel@tonic-gate 	}
259*7c478bd9Sstevel@tonic-gate 
260*7c478bd9Sstevel@tonic-gate 	return (uc->uc_zoneid);
261*7c478bd9Sstevel@tonic-gate }
262*7c478bd9Sstevel@tonic-gate 
263*7c478bd9Sstevel@tonic-gate /*
264*7c478bd9Sstevel@tonic-gate  * For now, assume single bit flags.
265*7c478bd9Sstevel@tonic-gate  */
266*7c478bd9Sstevel@tonic-gate uint_t
267*7c478bd9Sstevel@tonic-gate ucred_getpflags(const ucred_t *uc, uint_t flag)
268*7c478bd9Sstevel@tonic-gate {
269*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
270*7c478bd9Sstevel@tonic-gate 	prpriv_t *pr = UCPRIV(uc);
271*7c478bd9Sstevel@tonic-gate 	char *x, *end;
272*7c478bd9Sstevel@tonic-gate 
273*7c478bd9Sstevel@tonic-gate 	if (pr == NULL) {
274*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
275*7c478bd9Sstevel@tonic-gate 		return ((uint_t)-1);
276*7c478bd9Sstevel@tonic-gate 	}
277*7c478bd9Sstevel@tonic-gate 
278*7c478bd9Sstevel@tonic-gate 	end = (char *)pr + PRIV_PRPRIV_SIZE(pr);
279*7c478bd9Sstevel@tonic-gate 	x = end - pr->pr_infosize;
280*7c478bd9Sstevel@tonic-gate 
281*7c478bd9Sstevel@tonic-gate 	while (x < end) {
282*7c478bd9Sstevel@tonic-gate 		/* LINTED: alignment */
283*7c478bd9Sstevel@tonic-gate 		priv_info_t *pi = (priv_info_t *)x;
284*7c478bd9Sstevel@tonic-gate 		priv_info_uint_t *pii;
285*7c478bd9Sstevel@tonic-gate 
286*7c478bd9Sstevel@tonic-gate 		switch (pi->priv_info_type) {
287*7c478bd9Sstevel@tonic-gate 		case PRIV_INFO_FLAGS:
288*7c478bd9Sstevel@tonic-gate 			/* LINTED: alignment */
289*7c478bd9Sstevel@tonic-gate 			pii = (priv_info_uint_t *)x;
290*7c478bd9Sstevel@tonic-gate 			return ((pii->val & flag) ? 1 : 0);
291*7c478bd9Sstevel@tonic-gate 		}
292*7c478bd9Sstevel@tonic-gate 		/* Forward progress */
293*7c478bd9Sstevel@tonic-gate 		if (pi->priv_info_size < sizeof (priv_info_t))
294*7c478bd9Sstevel@tonic-gate 			break;
295*7c478bd9Sstevel@tonic-gate 		x += pi->priv_info_size;
296*7c478bd9Sstevel@tonic-gate 	}
297*7c478bd9Sstevel@tonic-gate 
298*7c478bd9Sstevel@tonic-gate 	errno = EINVAL;
299*7c478bd9Sstevel@tonic-gate 	return ((uint_t)-1);
300*7c478bd9Sstevel@tonic-gate }
301*7c478bd9Sstevel@tonic-gate 
302*7c478bd9Sstevel@tonic-gate au_id_t
303*7c478bd9Sstevel@tonic-gate ucred_getauid(const ucred_t *uc)
304*7c478bd9Sstevel@tonic-gate {
305*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
306*7c478bd9Sstevel@tonic-gate 	const auditinfo64_addr_t *ainfo = UCAUD(uc);
307*7c478bd9Sstevel@tonic-gate 
308*7c478bd9Sstevel@tonic-gate 	if (ainfo == NULL)
309*7c478bd9Sstevel@tonic-gate 		return (AU_NOAUDITID);
310*7c478bd9Sstevel@tonic-gate 
311*7c478bd9Sstevel@tonic-gate 	return (ainfo->ai_auid);
312*7c478bd9Sstevel@tonic-gate }
313*7c478bd9Sstevel@tonic-gate 
314*7c478bd9Sstevel@tonic-gate au_asid_t
315*7c478bd9Sstevel@tonic-gate ucred_getasid(const ucred_t *uc)
316*7c478bd9Sstevel@tonic-gate {
317*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
318*7c478bd9Sstevel@tonic-gate 	const auditinfo64_addr_t *ainfo = UCAUD(uc);
319*7c478bd9Sstevel@tonic-gate 
320*7c478bd9Sstevel@tonic-gate 	if (ainfo == NULL)
321*7c478bd9Sstevel@tonic-gate 		return (-1);
322*7c478bd9Sstevel@tonic-gate 
323*7c478bd9Sstevel@tonic-gate 	return (ainfo->ai_asid);
324*7c478bd9Sstevel@tonic-gate }
325*7c478bd9Sstevel@tonic-gate 
326*7c478bd9Sstevel@tonic-gate const au_tid64_addr_t *
327*7c478bd9Sstevel@tonic-gate ucred_getatid(const ucred_t *uc)
328*7c478bd9Sstevel@tonic-gate {
329*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
330*7c478bd9Sstevel@tonic-gate 	const auditinfo64_addr_t *ainfo = UCAUD(uc);
331*7c478bd9Sstevel@tonic-gate 
332*7c478bd9Sstevel@tonic-gate 	if (ainfo == NULL) {
333*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
334*7c478bd9Sstevel@tonic-gate 		return (NULL);
335*7c478bd9Sstevel@tonic-gate 	}
336*7c478bd9Sstevel@tonic-gate 
337*7c478bd9Sstevel@tonic-gate 	return (&ainfo->ai_termid);
338*7c478bd9Sstevel@tonic-gate }
339*7c478bd9Sstevel@tonic-gate 
340*7c478bd9Sstevel@tonic-gate const au_mask_t *
341*7c478bd9Sstevel@tonic-gate ucred_getamask(const ucred_t *uc)
342*7c478bd9Sstevel@tonic-gate {
343*7c478bd9Sstevel@tonic-gate 	/* LINTED: alignment */
344*7c478bd9Sstevel@tonic-gate 	const auditinfo64_addr_t *ainfo = UCAUD(uc);
345*7c478bd9Sstevel@tonic-gate 
346*7c478bd9Sstevel@tonic-gate 	if (ainfo == NULL) {
347*7c478bd9Sstevel@tonic-gate 		errno = EINVAL;
348*7c478bd9Sstevel@tonic-gate 		return (NULL);
349*7c478bd9Sstevel@tonic-gate 	}
350*7c478bd9Sstevel@tonic-gate 
351*7c478bd9Sstevel@tonic-gate 	return (&ainfo->ai_mask);
352*7c478bd9Sstevel@tonic-gate }
353*7c478bd9Sstevel@tonic-gate 
354*7c478bd9Sstevel@tonic-gate size_t
355*7c478bd9Sstevel@tonic-gate ucred_size(void)
356*7c478bd9Sstevel@tonic-gate {
357*7c478bd9Sstevel@tonic-gate 	priv_data_t *d;
358*7c478bd9Sstevel@tonic-gate 
359*7c478bd9Sstevel@tonic-gate 	LOADPRIVDATA(d);
360*7c478bd9Sstevel@tonic-gate 
361*7c478bd9Sstevel@tonic-gate 	return (d->pd_ucredsize);
362*7c478bd9Sstevel@tonic-gate }
363