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 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/fm/protocol.h>
29 
30 #include <strings.h>
31 #include <libgen.h>
32 #include <regex.h>
33 #include <libnvpair.h>
34 
35 #include <fmd_log_impl.h>
36 #include <fmd_log.h>
37 
38 /*ARGSUSED*/
39 int
40 fmd_log_filter_class(fmd_log_t *lp, const fmd_log_record_t *rp, void *arg)
41 {
42 	return (gmatch(rp->rec_class, arg));
43 }
44 
45 /*ARGSUSED*/
46 int
47 fmd_log_filter_uuid(fmd_log_t *lp, const fmd_log_record_t *rp, void *arg)
48 {
49 	char *uuid;
50 
51 	/*
52 	 * Note: the uuid filter matches *any* member whose name is 'uuid'.
53 	 * This permits us to match not only a list.suspect uuid but any
54 	 * other event that decides to embed uuids, too, using the same name.
55 	 */
56 	return (nvlist_lookup_string(rp->rec_nvl,
57 	    "uuid", &uuid) == 0 && strcmp(uuid, arg) == 0);
58 }
59 
60 /*ARGSUSED*/
61 int
62 fmd_log_filter_before(fmd_log_t *lp, const fmd_log_record_t *rp, void *arg)
63 {
64 	uint64_t sec = ((struct timeval *)arg)->tv_sec;
65 	uint64_t nsec = ((struct timeval *)arg)->tv_usec * (NANOSEC / MICROSEC);
66 	return (rp->rec_sec == sec ? rp->rec_nsec <= nsec : rp->rec_sec <= sec);
67 }
68 
69 /*ARGSUSED*/
70 int
71 fmd_log_filter_after(fmd_log_t *lp, const fmd_log_record_t *rp, void *arg)
72 {
73 	uint64_t sec = ((struct timeval *)arg)->tv_sec;
74 	uint64_t nsec = ((struct timeval *)arg)->tv_usec * (NANOSEC / MICROSEC);
75 	return (rp->rec_sec == sec ? rp->rec_nsec >= nsec : rp->rec_sec >= sec);
76 }
77 
78 /*ARGSUSED*/
79 int
80 fmd_log_filter_nv(fmd_log_t *lp, const fmd_log_record_t *rp, void *arg)
81 {
82 	fmd_log_filter_nvarg_t *argt = (fmd_log_filter_nvarg_t *)arg;
83 	char		*name = argt->nvarg_name;
84 	char		*value = argt->nvarg_value;
85 	regex_t		*value_regex = argt->nvarg_value_regex;
86 	nvpair_t	*nvp;
87 	int		ai;
88 
89 	/* see if nvlist has named member */
90 	if (nvlist_lookup_nvpair_embedded_index(rp->rec_nvl, name,
91 	    &nvp, &ai, NULL) != 0)
92 		return (0);		/* name filter failure */
93 
94 	/* check value match for matching nvpair */
95 	if ((value == NULL) ||
96 	    (nvpair_value_match_regex(nvp, ai, value, value_regex, NULL) == 1))
97 		return (1);		/* name/value filter pass */
98 
99 	return (0);			/* value filter failure */
100 }
101