xref: /freebsd/libexec/ftpd/blacklist.c (revision 7937bfbc0ca53fe7cdd0d54414f9296e273a518e)
1 /*-
2  * Copyright (c) 2016 The FreeBSD Foundation
3  *
4  * This software was developed by Kurt Lidl under sponsorship from the
5  * FreeBSD Foundation.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE. */
27 
28 
29 #include <ctype.h>
30 #include <stdarg.h>
31 #include <stdlib.h>
32 #include <unistd.h>
33 
34 #include <blacklist.h>
35 #include "blacklist_client.h"
36 
37 static struct blacklist *blstate;
38 extern int use_blacklist;
39 
40 void
41 blacklist_init(void)
42 {
43 
44 	if (use_blacklist)
45 		blstate = blacklist_open();
46 }
47 
48 void
49 blacklist_notify(int action, int fd, const char *msg)
50 {
51 
52 	if (blstate == NULL)
53 		return;
54 	(void)blacklist_r(blstate, action, fd, msg);
55 }
56