1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* $NetBSD: blacklist.c,v 1.5 2015/01/22 16:19:53 christos Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/cdefs.h>
__RCSID("$NetBSD: blacklist.c,v 1.5 2015/01/22 16:19:53 christos Exp $");
#include <stdio.h>
#include <bl.h>
#include <stdarg.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <syslog.h>
int
blacklist_sa(int action, int rfd, const struct sockaddr *sa, socklen_t salen,
const char *msg)
{
struct blacklist *bl;
int rv;
if ((bl = blacklist_open()) == NULL)
return -1;
rv = blacklist_sa_r(bl, action, rfd, sa, salen, msg);
blacklist_close(bl);
return rv;
}
int
blacklist_sa_r(struct blacklist *bl, int action, int rfd,
const struct sockaddr *sa, socklen_t slen, const char *msg)
{
int internal_action;
/* internal values are not the same as user application values */
switch (action) {
case BLACKLIST_AUTH_FAIL:
internal_action = BL_ADD;
break;
case BLACKLIST_AUTH_OK:
internal_action = BL_DELETE;
break;
case BLACKLIST_ABUSIVE_BEHAVIOR:
internal_action = BL_ABUSE;
break;
case BLACKLIST_BAD_USER:
internal_action = BL_BADUSER;
break;
default:
internal_action = BL_INVALID;
break;
}
return bl_send(bl, internal_action, rfd, sa, slen, msg);
}
int
blacklist(int action, int rfd, const char *msg)
{
return blacklist_sa(action, rfd, NULL, 0, msg);
}
int
blacklist_r(struct blacklist *bl, int action, int rfd, const char *msg)
{
return blacklist_sa_r(bl, action, rfd, NULL, 0, msg);
}
struct blacklist *
blacklist_open(void) {
return bl_create(false, NULL, vsyslog);
}
void
blacklist_close(struct blacklist *bl)
{
bl_destroy(bl);
}
|
