xref: /onnv-gate/usr/src/cmd/getdevpolicy/getdevpolicy.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <stdlib.h>
31*0Sstevel@tonic-gate #include <unistd.h>
32*0Sstevel@tonic-gate #include <ctype.h>
33*0Sstevel@tonic-gate #include <priv.h>
34*0Sstevel@tonic-gate #include <string.h>
35*0Sstevel@tonic-gate #include <libgen.h>
36*0Sstevel@tonic-gate #include <errno.h>
37*0Sstevel@tonic-gate #include <sys/devpolicy.h>
38*0Sstevel@tonic-gate #include <sys/modctl.h>
39*0Sstevel@tonic-gate #include <sys/vnode.h>
40*0Sstevel@tonic-gate #include <sys/stat.h>
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate static char *progname;
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate static const priv_impl_info_t *pi;
45*0Sstevel@tonic-gate static size_t sz;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate static void
fatalerr(const char * s)48*0Sstevel@tonic-gate fatalerr(const char *s)
49*0Sstevel@tonic-gate {
50*0Sstevel@tonic-gate 	(void) fprintf(stderr, "%s: %s: %s\n", progname, s, strerror(errno));
51*0Sstevel@tonic-gate 	exit(1);
52*0Sstevel@tonic-gate 	/* NOTREACHED */
53*0Sstevel@tonic-gate }
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate static void
fatal(const char * s)56*0Sstevel@tonic-gate fatal(const char *s)
57*0Sstevel@tonic-gate {
58*0Sstevel@tonic-gate 	(void) fprintf(stderr, "%s: %s\n", progname, s);
59*0Sstevel@tonic-gate 	exit(1);
60*0Sstevel@tonic-gate 	/* NOTREACHED */
61*0Sstevel@tonic-gate }
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate static void
printpolicy(const devplcysys_t * ds)64*0Sstevel@tonic-gate printpolicy(const devplcysys_t *ds)
65*0Sstevel@tonic-gate {
66*0Sstevel@tonic-gate 	char *ss;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	ss = priv_set_to_str(DEVPLCYSYS_RDP(ds, pi), ',', PRIV_STR_SHORT);
69*0Sstevel@tonic-gate 	(void) printf("\t"DEVPLCY_TKN_RDP"=%s\n", ss);
70*0Sstevel@tonic-gate 	free(ss);
71*0Sstevel@tonic-gate 	ss = priv_set_to_str(DEVPLCYSYS_WRP(ds, pi), ',', PRIV_STR_SHORT);
72*0Sstevel@tonic-gate 	(void) printf("\t"DEVPLCY_TKN_WRP"=%s\n", ss);
73*0Sstevel@tonic-gate 	free(ss);
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate static void
getpolicy(void)77*0Sstevel@tonic-gate getpolicy(void)
78*0Sstevel@tonic-gate {
79*0Sstevel@tonic-gate 	int nitems = 0;
80*0Sstevel@tonic-gate 	char *mem = NULL;
81*0Sstevel@tonic-gate 	int i;
82*0Sstevel@tonic-gate 	devplcysys_t *ds;
83*0Sstevel@tonic-gate 	char major[256];
84*0Sstevel@tonic-gate 
85*0Sstevel@tonic-gate 	if (modctl(MODGETDEVPOLICY, &nitems, sz, mem) == 0 || errno != ENOMEM)
86*0Sstevel@tonic-gate 		fatalerr("modctl(MODGETDEVPOLICY)");
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate 	mem = malloc(nitems * sz);
89*0Sstevel@tonic-gate 	if (mem == NULL)
90*0Sstevel@tonic-gate 		fatal("Out of memory");
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate 	if (modctl(MODGETDEVPOLICY, &nitems, sz, mem) != 0)
93*0Sstevel@tonic-gate 		fatalerr("modctl");
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate 	for (i = 0; i < nitems; i++) {
96*0Sstevel@tonic-gate 		/* LINTED: alignment */
97*0Sstevel@tonic-gate 		ds = (devplcysys_t *)(mem + i * sz);
98*0Sstevel@tonic-gate 		if (i == 0) {
99*0Sstevel@tonic-gate 			(void) printf("DEFAULT");
100*0Sstevel@tonic-gate 		} else {
101*0Sstevel@tonic-gate 			if (modctl(MODGETNAME, major, sizeof (major),
102*0Sstevel@tonic-gate 			    &ds->dps_maj) != 0)
103*0Sstevel@tonic-gate 				continue;
104*0Sstevel@tonic-gate 			(void) printf("%s:", major);
105*0Sstevel@tonic-gate 			if (ds->dps_minornm[0] != '\0') {
106*0Sstevel@tonic-gate 				(void) printf("%s", ds->dps_minornm);
107*0Sstevel@tonic-gate 			} else {
108*0Sstevel@tonic-gate 				/* (minor[-minor]) */
109*0Sstevel@tonic-gate 				(void) printf("(%u", (uint_t)ds->dps_lomin);
110*0Sstevel@tonic-gate 				if (ds->dps_lomin != ds->dps_himin)
111*0Sstevel@tonic-gate 					(void) printf("-%u",
112*0Sstevel@tonic-gate 						(uint_t)ds->dps_himin);
113*0Sstevel@tonic-gate 				(void) putchar(')');
114*0Sstevel@tonic-gate 				if (ds->dps_isblock)
115*0Sstevel@tonic-gate 					(void) putchar('b');
116*0Sstevel@tonic-gate 				else
117*0Sstevel@tonic-gate 					(void) putchar('c');
118*0Sstevel@tonic-gate 			}
119*0Sstevel@tonic-gate 		}
120*0Sstevel@tonic-gate 		(void) putchar('\n');
121*0Sstevel@tonic-gate 		printpolicy(ds);
122*0Sstevel@tonic-gate 	}
123*0Sstevel@tonic-gate }
124*0Sstevel@tonic-gate 
125*0Sstevel@tonic-gate static void
getdevpolicy(const char * dev)126*0Sstevel@tonic-gate getdevpolicy(const char *dev)
127*0Sstevel@tonic-gate {
128*0Sstevel@tonic-gate 	devplcysys_t *ds;
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate 	ds = malloc(sz);
131*0Sstevel@tonic-gate 
132*0Sstevel@tonic-gate 	if (ds == NULL)
133*0Sstevel@tonic-gate 		fatal("Out of memory");
134*0Sstevel@tonic-gate 
135*0Sstevel@tonic-gate 	if (modctl(MODGETDEVPOLICYBYNAME, sz, ds, dev) != 0)
136*0Sstevel@tonic-gate 		fatalerr("modctl");
137*0Sstevel@tonic-gate 
138*0Sstevel@tonic-gate 	(void) printf("%s\n", dev);
139*0Sstevel@tonic-gate 	printpolicy(ds);
140*0Sstevel@tonic-gate 	free(ds);
141*0Sstevel@tonic-gate }
142*0Sstevel@tonic-gate 
143*0Sstevel@tonic-gate int
main(int argc,char ** argv)144*0Sstevel@tonic-gate main(int argc, char **argv)
145*0Sstevel@tonic-gate {
146*0Sstevel@tonic-gate 	progname = basename(argv[0]);
147*0Sstevel@tonic-gate 
148*0Sstevel@tonic-gate 	if ((pi = getprivimplinfo()) == NULL)
149*0Sstevel@tonic-gate 		fatalerr("getprivimplinfo");
150*0Sstevel@tonic-gate 
151*0Sstevel@tonic-gate 	sz = DEVPLCYSYS_SZ(pi);
152*0Sstevel@tonic-gate 
153*0Sstevel@tonic-gate 	if (argc == 1) {
154*0Sstevel@tonic-gate 		getpolicy();
155*0Sstevel@tonic-gate 		return (0);
156*0Sstevel@tonic-gate 	}
157*0Sstevel@tonic-gate 
158*0Sstevel@tonic-gate 	while (*++argv != NULL)
159*0Sstevel@tonic-gate 		getdevpolicy(*argv);
160*0Sstevel@tonic-gate 
161*0Sstevel@tonic-gate 	return (0);
162*0Sstevel@tonic-gate }
163