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 2010 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#include <sys/types.h>
27#include <tsol/label.h>
28#include <bsm/audit.h>
29#include <bsm/libbsm.h>
30#include <bsm/audit_private.h>
31#include <unistd.h>
32#include <string.h>
33#include <bsm/audit_uevents.h>
34#include <generic.h>
35#include <stdlib.h>
36#include <alloca.h>
37
38static int s_audit;	/* successful audit event */
39static int f_audit;	/* failure audit event */
40
41static int ad;		/* audit descriptor */
42
43void
44audit_allocate_argv(flg, argc, argv)
45	int   flg;
46	int   argc;
47	char *argv[];
48{
49	int i;
50
51	if (cannot_audit(0)) {
52		return;
53	}
54
55	switch (flg) {
56	case 0:
57		s_audit = AUE_allocate_succ;
58		f_audit = AUE_allocate_fail;
59		break;
60	case 1:
61		s_audit = AUE_deallocate_succ;
62		f_audit = AUE_deallocate_fail;
63		break;
64	case 2:
65		s_audit = AUE_listdevice_succ;
66		f_audit = AUE_listdevice_fail;
67		break;
68	}
69
70	ad = au_open();
71
72	for (i = 0; i < argc; i++)
73		(void) au_write(ad, au_to_text(argv[i]));
74}
75
76void
77audit_allocate_device(path)
78	char *path;
79{
80	if (cannot_audit(0)) {
81		return;
82	}
83	(void) au_write(ad, au_to_path(path));
84}
85
86int
87audit_allocate_record(status)
88	char	status;		/* success failure of operation */
89{
90	auditinfo_addr_t mask;		/* audit ID */
91	au_event_t	event;		/* audit event number */
92	uint32_t	policy;		/* audit policy */
93	int		ng;		/* number of groups in process */
94
95#ifdef DEBUG
96	(void) printf("audit_allocate_record(%d)\n", status);
97#endif
98
99	if (cannot_audit(0)) {
100		return (0);
101	}
102
103	if (getaudit_addr(&mask, sizeof (mask)) < 0) {
104		if (!status)
105			return (1);
106		return (0);
107	}
108
109	if (auditon(A_GETPOLICY, (caddr_t)&policy, 0) < 0) {
110		if (!status)
111			return (1);
112		return (0);
113	}
114
115
116		/* determine if we're preselected */
117	if (status)
118		event = f_audit;
119	else
120		event = s_audit;
121
122	if (au_preselect(event, &mask.ai_mask, AU_PRS_BOTH, AU_PRS_REREAD)
123		== NULL)
124		return (0);
125
126	(void) au_write(ad, au_to_me());	/* add subject token */
127	if (is_system_labeled())
128		(void) au_write(ad, au_to_mylabel());
129
130	if (policy & AUDIT_GROUP) {	/* add optional group token */
131		gid_t	*grplst;
132		int	maxgrp = getgroups(0, NULL);
133
134		grplst = alloca(maxgrp * sizeof (gid_t));
135
136		if ((ng = getgroups(maxgrp, grplst)) < 0) {
137			(void) au_close(ad, 0, 0);
138			if (!status)
139				return (1);
140			return (0);
141		}
142		(void) au_write(ad, au_to_newgroups(ng, grplst));
143	}
144
145	if (status)
146		(void) au_write(ad, au_to_exit(status, -1));
147	else
148		(void) au_write(ad, au_to_exit(0, 0));
149
150		/* write audit record */
151	if (au_close(ad, 1, event) < 0) {
152		(void) au_close(ad, 0, 0);
153		if (!status)
154			return (1);
155	}
156
157	return (0);
158}
159
160void
161audit_allocate_list(list)
162	char *list;
163{
164	char *buf;
165	char *file;
166	char *last;
167
168	if (cannot_audit(0)) {
169		return;
170	}
171
172	if ((buf = strdup(list)) == NULL)
173		return;
174
175	for (file = strtok_r(buf, " ", &last); file;
176	    file = strtok_r(NULL, " ", &last))
177		(void) au_write(ad, au_to_path(file));
178
179	free(buf);
180}
181