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 #include <stdio.h>
28 #include <stdlib.h>
29 #include <unistd.h>
30 #include <ctype.h>
31 #include <priv.h>
32 #include <string.h>
33 #include <libgen.h>
34 #include <errno.h>
35 #include <sys/devpolicy.h>
36 #include <sys/modctl.h>
37 #include <sys/vnode.h>
38 #include <sys/stat.h>
39
40 static char *progname;
41
42 static const priv_impl_info_t *pi;
43 static size_t sz;
44
45 static void
fatalerr(const char * s)46 fatalerr(const char *s)
47 {
48 (void) fprintf(stderr, "%s: %s: %s\n", progname, s, strerror(errno));
49 exit(1);
50 /* NOTREACHED */
51 }
52
53 static void
fatal(const char * s)54 fatal(const char *s)
55 {
56 (void) fprintf(stderr, "%s: %s\n", progname, s);
57 exit(1);
58 /* NOTREACHED */
59 }
60
61 static void
printpolicy(const devplcysys_t * ds)62 printpolicy(const devplcysys_t *ds)
63 {
64 char *ss;
65
66 ss = priv_set_to_str(DEVPLCYSYS_RDP(ds, pi), ',', PRIV_STR_SHORT);
67 (void) printf("\t"DEVPLCY_TKN_RDP"=%s\n", ss);
68 free(ss);
69 ss = priv_set_to_str(DEVPLCYSYS_WRP(ds, pi), ',', PRIV_STR_SHORT);
70 (void) printf("\t"DEVPLCY_TKN_WRP"=%s\n", ss);
71 free(ss);
72 }
73
74 static void
getpolicy(void)75 getpolicy(void)
76 {
77 int nitems = 0;
78 char *mem = NULL;
79 int i;
80 devplcysys_t *ds;
81 char major[256];
82
83 if (modctl(MODGETDEVPOLICY, &nitems, sz, mem) == 0 || errno != ENOMEM)
84 fatalerr("modctl(MODGETDEVPOLICY)");
85
86 mem = malloc(nitems * sz);
87 if (mem == NULL)
88 fatal("Out of memory");
89
90 if (modctl(MODGETDEVPOLICY, &nitems, sz, mem) != 0)
91 fatalerr("modctl");
92
93 for (i = 0; i < nitems; i++) {
94 /* LINTED: alignment */
95 ds = (devplcysys_t *)(mem + i * sz);
96 if (i == 0) {
97 (void) printf("DEFAULT");
98 } else {
99 if (modctl(MODGETNAME, major, sizeof (major),
100 &ds->dps_maj) != 0)
101 continue;
102 (void) printf("%s:", major);
103 if (ds->dps_minornm[0] != '\0') {
104 (void) printf("%s", ds->dps_minornm);
105 } else {
106 /* (minor[-minor]) */
107 (void) printf("(%u", (uint_t)ds->dps_lomin);
108 if (ds->dps_lomin != ds->dps_himin)
109 (void) printf("-%u",
110 (uint_t)ds->dps_himin);
111 (void) putchar(')');
112 if (ds->dps_isblock)
113 (void) putchar('b');
114 else
115 (void) putchar('c');
116 }
117 }
118 (void) putchar('\n');
119 printpolicy(ds);
120 }
121 }
122
123 static void
getdevpolicy(const char * dev)124 getdevpolicy(const char *dev)
125 {
126 devplcysys_t *ds;
127
128 ds = malloc(sz);
129
130 if (ds == NULL)
131 fatal("Out of memory");
132
133 if (modctl(MODGETDEVPOLICYBYNAME, sz, ds, dev) != 0)
134 fatalerr("modctl");
135
136 (void) printf("%s\n", dev);
137 printpolicy(ds);
138 free(ds);
139 }
140
141 int
main(int argc,char ** argv)142 main(int argc, char **argv)
143 {
144 progname = basename(argv[0]);
145
146 if ((pi = getprivimplinfo()) == NULL)
147 fatalerr("getprivimplinfo");
148
149 sz = DEVPLCYSYS_SZ(pi);
150
151 if (argc == 1) {
152 getpolicy();
153 return (0);
154 }
155
156 while (*++argv != NULL)
157 getdevpolicy(*argv);
158
159 return (0);
160 }
161