1 /* $NetBSD: blacklist.c,v 1.5 2015/01/22 16:19:53 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #ifdef HAVE_CONFIG_H
32 #include "config.h"
33 #endif
34
35 #include <sys/cdefs.h>
36 __RCSID("$NetBSD: blacklist.c,v 1.5 2015/01/22 16:19:53 christos Exp $");
37
38 #include <stdio.h>
39 #include <bl.h>
40
41 #include <stdarg.h>
42 #include <errno.h>
43 #include <string.h>
44 #include <stdlib.h>
45 #include <syslog.h>
46
47 int
blacklist_sa(int action,int rfd,const struct sockaddr * sa,socklen_t salen,const char * msg)48 blacklist_sa(int action, int rfd, const struct sockaddr *sa, socklen_t salen,
49 const char *msg)
50 {
51 struct blacklist *bl;
52 int rv;
53 if ((bl = blacklist_open()) == NULL)
54 return -1;
55 rv = blacklist_sa_r(bl, action, rfd, sa, salen, msg);
56 blacklist_close(bl);
57 return rv;
58 }
59
60 int
blacklist_sa_r(struct blacklist * bl,int action,int rfd,const struct sockaddr * sa,socklen_t slen,const char * msg)61 blacklist_sa_r(struct blacklist *bl, int action, int rfd,
62 const struct sockaddr *sa, socklen_t slen, const char *msg)
63 {
64 return bl_send(bl, action ? BL_ADD : BL_DELETE, rfd, sa, slen, msg);
65 }
66
67 int
blacklist(int action,int rfd,const char * msg)68 blacklist(int action, int rfd, const char *msg)
69 {
70 return blacklist_sa(action, rfd, NULL, 0, msg);
71 }
72
73 int
blacklist_r(struct blacklist * bl,int action,int rfd,const char * msg)74 blacklist_r(struct blacklist *bl, int action, int rfd, const char *msg)
75 {
76 return blacklist_sa_r(bl, action, rfd, NULL, 0, msg);
77 }
78
79 struct blacklist *
blacklist_open(void)80 blacklist_open(void) {
81 return bl_create(false, NULL, vsyslog);
82 }
83
84 void
blacklist_close(struct blacklist * bl)85 blacklist_close(struct blacklist *bl)
86 {
87 bl_destroy(bl);
88 }
89