xref: /illumos-gate/usr/src/cmd/auditstat/auditstat.c (revision 8119dad84d6416f13557b0ba8e2aaf9064cbcfd3)
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 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*
27  * Copyright (c) 2018, Joyent, Inc.
28  */
29 
30 #include "statcommon.h"
31 
32 #include <sys/types.h>
33 #include <stdlib.h>
34 #include <ctype.h>
35 #include <stdio.h>
36 #include <bsm/audit.h>
37 #include <bsm/libbsm.h>
38 #include <unistd.h>
39 #include <locale.h>
40 
41 #if !defined(TEXT_DOMAIN)		/* Should be defined by cc -D */
42 #define	TEXT_DOMAIN "SYS_TEST"		/* Use this only if it isn't */
43 #endif
44 
45 
46 /*
47  * Display header every HEADER_MOD lines printed
48  */
49 #define		DFLT_HEADER_MOD (20)
50 #define		ONEK (1024)
51 
52 #define		CFLG (0x01)
53 #define		HFLG (0x02)
54 #define		IFLG (0x04)
55 #define		NFLG (0x08)
56 #define		VFLG (0x10)
57 
58 extern char	*optarg;
59 
60 static int	count;
61 static int	flags;
62 static int	header_mod = DFLT_HEADER_MOD;
63 static int	interval;
64 static uint_t timestamp_fmt = NODATE;
65 
66 static void	display_stats();
67 static void	eauditon();
68 static void	parse_args();
69 static void	usage_exit();
70 static int	strisdigit();
71 
72 int
73 main(argc, argv)
74 int	argc;
75 char	**argv;
76 {
77 	register int	i;
78 	au_stat_t s;
79 
80 	(void) setlocale(LC_ALL, "");
81 	(void) textdomain(TEXT_DOMAIN);
82 
83 	(void) setbuf(stdout, (char *)0);
84 	(void) setbuf(stderr, (char *)0);
85 
86 	parse_args(argc, argv);
87 
88 	if (!flags) {
89 		eauditon(A_GETSTAT, (caddr_t)&s, NULL);
90 		if (timestamp_fmt != NODATE)
91 			print_timestamp(timestamp_fmt);
92 		display_stats(&s, 0);
93 		exit(0);
94 	}
95 
96 	if (flags & VFLG || flags & NFLG)
97 		eauditon(A_GETSTAT, (caddr_t)&s, NULL);
98 
99 	if (flags & VFLG)
100 		(void) printf("version = %d\n", s.as_version);
101 
102 	if (flags & NFLG)
103 		(void) printf("number of kernel events = %d\n", s.as_numevent);
104 
105 	if (!(flags & IFLG))
106 		exit(0);
107 
108 	/* CSTYLED */
109 	for (i = 0;; i++) {
110 		eauditon(A_GETSTAT, (caddr_t)&s, NULL);
111 		if (timestamp_fmt != NODATE)
112 			print_timestamp(timestamp_fmt);
113 		display_stats(&s, i);
114 		if ((flags & CFLG) && count)
115 			if (i == count - 1)
116 				break;
117 		(void) sleep(interval);
118 	}
119 
120 	return (0);
121 }
122 
123 
124 static void
125 display_stats(au_stat_t *s, int cnt)
126 {
127 	int	offset[12];   /* used to line the header up correctly */
128 	char	buf[512];
129 
130 	(void) sprintf(buf,
131 "%4u %n%4u %n%4u %n%4u %n%4u %n%4u %n%4u %n%4u %n%4u %n%4u %n%4u %n%4u%n",
132 		s->as_generated, 	&(offset[0]),
133 		s->as_nonattrib, 	&(offset[1]),
134 		s->as_kernel, 		&(offset[2]),
135 		s->as_audit, 		&(offset[3]),
136 		s->as_auditctl, 	&(offset[4]),
137 		s->as_enqueue, 		&(offset[5]),
138 		s->as_written, 		&(offset[6]),
139 		s->as_wblocked, 	&(offset[7]),
140 		s->as_rblocked, 	&(offset[8]),
141 		s->as_dropped, 		&(offset[9]),
142 		s->as_totalsize / ONEK,	&(offset[10]),
143 		s->as_memused / ONEK, 	&(offset[11]));
144 
145 	/* print a properly aligned header every HEADER_MOD lines */
146 	if (header_mod && (!cnt || ((timestamp_fmt != NODATE) ?
147 	    !(cnt % (header_mod / 2)) : !(cnt % header_mod)))) {
148 		(void) printf(
149 			"%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s\n",
150 			offset[0] - 1,			"gen",
151 			offset[1] - offset[0] - 1,	"nona",
152 			offset[2] - offset[1] - 1,	"kern",
153 			offset[3] - offset[2] - 1,	"aud",
154 			offset[4] - offset[3] - 1,	"ctl",
155 			offset[5] - offset[4] - 1,	"enq",
156 			offset[6] - offset[5] - 1,	"wrtn",
157 			offset[7] - offset[6] - 1,	"wblk",
158 			offset[8] - offset[7] - 1,	"rblk",
159 			offset[9] - offset[8] - 1,	"drop",
160 			offset[10] - offset[9] - 1,	"tot",
161 			offset[11] - offset[10],	"mem");
162 	}
163 
164 	(void) puts(buf);
165 }
166 
167 
168 static void
169 eauditon(cmd, data, length)
170 int	cmd;
171 caddr_t data;
172 int	length;
173 {
174 	if (auditon(cmd, data, length) == -1) {
175 		perror("auditstat: auditon");
176 		exit(1);
177 	}
178 }
179 
180 
181 static void
182 parse_args(argc, argv)
183 int	argc;
184 char	**argv;
185 {
186 	int	c;
187 
188 	while ((c = getopt(argc, argv, "c:h:i:vnT:")) != -1) {
189 		switch (c) {
190 		case 'c':
191 			if (flags & CFLG)
192 				usage_exit();
193 			flags |= CFLG;
194 			if (strisdigit(optarg)) {
195 				(void) fprintf(stderr,
196 				"auditstat: invalid count specified.\n");
197 				exit(1);
198 			}
199 			count = atoi(optarg);
200 			break;
201 		case 'h':
202 			if (flags & HFLG)
203 				usage_exit();
204 			flags |= HFLG;
205 			if (strisdigit(optarg)) {
206 				(void) fprintf(stderr,
207 				"auditstat: invalid header arg specified.\n");
208 				exit(1);
209 			}
210 			header_mod = atoi(optarg);
211 			break;
212 		case 'i':
213 			if (flags & IFLG)
214 				usage_exit();
215 			flags |= IFLG;
216 			if (strisdigit(optarg)) {
217 				(void) fprintf(stderr,
218 				"auditstat: invalid interval specified.\n");
219 				exit(1);
220 			}
221 			interval = atoi(optarg);
222 			break;
223 		case 'n':
224 			if (flags & NFLG)
225 				usage_exit();
226 			flags |= NFLG;
227 			break;
228 		case 'v':
229 			if (flags & VFLG)
230 				usage_exit();
231 			flags |= VFLG;
232 			break;
233 		case 'T':
234 			if (optarg) {
235 				if (*optarg == 'u')
236 					timestamp_fmt = UDATE;
237 				else if (*optarg == 'd')
238 					timestamp_fmt = DDATE;
239 				else
240 					usage_exit();
241 			} else {
242 				usage_exit();
243 			}
244 			break;
245 		case '?':
246 		default:
247 			usage_exit();
248 			break;
249 		}
250 	}
251 }
252 
253 
254 static void
255 usage_exit()
256 {
257 	(void) fprintf(stderr,
258 	    "auditstat: usage: auditstat [-c count] [-h lines] "
259 	    "[-T d|u] [-i interval] [-n] [-v]\n");
260 	exit(1);
261 }
262 
263 
264 static int
265 strisdigit(s)
266 char	*s;
267 {
268 	for (; *s; s++)
269 		if (!isdigit(*s))
270 			return (1);
271 
272 	return (0);
273 }
274