blacklist.c (c0cc364181387bbd94be77451ebcf69bc23ed2a5) blacklist.c (b2af61ec69826890d075ceb3e20e206be20d6fea)
1/*-
2 * Copyright (c) 2015 The NetBSD Foundation, Inc.
1/*-
2 * Copyright (c) 2015 The NetBSD Foundation, Inc.
3 * Copyright (c) 2016 The FreeBSD Foundation, Inc.
3 * All rights reserved.
4 *
4 * All rights reserved.
5 *
6 * Portions of this software were developed by Kurt Lidl
7 * under sponsorship from the FreeBSD Foundation.
8 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Christos Zoulas.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.

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22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Christos Zoulas.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.

--- 9 unchanged lines hidden (view full) ---

26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include "includes.h"
35
30#include <ctype.h>
31#include <stdarg.h>
36#include <ctype.h>
37#include <stdarg.h>
38#include <stdbool.h>
32#include <stdio.h>
33#include <stdlib.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <syslog.h>
34#include <unistd.h>
35
36#include "ssh.h"
37#include "packet.h"
38#include "log.h"
42#include <unistd.h>
43
44#include "ssh.h"
45#include "packet.h"
46#include "log.h"
47#include "misc.h"
48#include "servconf.h"
39#include "blacklist_client.h"
40#include <blacklist.h>
41
49#include "blacklist_client.h"
50#include <blacklist.h>
51
42static struct blacklist *blstate;
52static struct blacklist *blstate = NULL;
43
53
54/* import */
55extern ServerOptions options;
56
57/* internal definition from bl.h */
58struct blacklist *bl_create(bool, char *, void (*)(int, const char *, va_list));
59
60/* impedence match vsyslog() to sshd's internal logging levels */
44void
61void
62im_log(int priority, const char *message, va_list args)
63{
64 LogLevel imlevel;
65
66 switch (priority) {
67 case LOG_ERR:
68 imlevel = SYSLOG_LEVEL_ERROR;
69 break;
70 case LOG_DEBUG:
71 imlevel = SYSLOG_LEVEL_DEBUG1;
72 break;
73 case LOG_INFO:
74 imlevel = SYSLOG_LEVEL_INFO;
75 break;
76 default:
77 imlevel = SYSLOG_LEVEL_DEBUG2;
78 }
79 do_log(imlevel, message, args);
80}
81
82void
45blacklist_init(void)
46{
83blacklist_init(void)
84{
47 blstate = blacklist_open();
85
86 if (options.use_blacklist)
87 blstate = bl_create(false, NULL, im_log);
48}
49
50void
51blacklist_notify(int action)
52{
88}
89
90void
91blacklist_notify(int action)
92{
53 int fd;
54 if (blstate == NULL)
55 blacklist_init();
56 if (blstate == NULL)
57 return;
58 fd = packet_get_connection_in();
59 if (!packet_connection_is_on_socket()) {
60 fprintf(stderr, "packet_connection_is_on_socket: false "
61 "(fd = %d)\n", fd);
62 }
63 (void)blacklist_r(blstate, action, fd, "ssh");
93
94 if (blstate != NULL && packet_connection_is_on_socket())
95 (void)blacklist_r(blstate, action,
96 packet_get_connection_in(), "ssh");
64}
97}