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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* Copyright (c) 2003 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/param.h>
#include <sys/types.h>
#include "config.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/stat.h>
#include <sys/tree.h>
#include <sys/wait.h>
#include <sys/queue.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <dumbnet.h>
#include <ctype.h>
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#undef timeout_pending
#undef timeout_initialized
#include <event.h>
#include "honeyd.h"
#include "template.h"
#include "personality.h"
#include "condition.h"
#include "pfvar.h"
#include "osfp.h"
/*
* Match an operating system (p0f) fingerprint
*/
int
condition_match_osfp(const struct template *tmpl, const struct ip_hdr *ip,
u_short iplen, void *arg)
{
pf_osfp_t fp = *(pf_osfp_t *)arg;
return (honeyd_osfp_match(ip, fp));
}
/*
* Match the source address of a machine
*/
int
condition_match_addr(const struct template *tmpl, const struct ip_hdr *ip,
u_short iplen, void *arg)
{
struct addr *tmp = arg;
struct addr addr_start, addr_end, src;
addr_pack(&src, ADDR_TYPE_IP, IP_ADDR_BITS, &ip->ip_src, IP_ADDR_LEN);
addr_start = *tmp;
addr_start.addr_bits = IP_ADDR_BITS;
addr_bcast(tmp, &addr_end);
addr_end.addr_bits = IP_ADDR_BITS;
if (addr_cmp(&src, &addr_start) < 0)
return (0);
if (addr_cmp(&src, &addr_end) > 0)
return (0);
return (1);
}
/*
* Match the IP protocol of the packet
*/
int
condition_match_proto(const struct template *tmpl, const struct ip_hdr *ip,
u_short iplen, void *arg)
{
int *proto = arg;
return (ip->ip_p == *proto);
}
/*
* Match anything
*/
int
condition_match_otherwise(const struct template *tmpl, const struct ip_hdr *ip,
u_short iplen, void *arg)
{
return 1;
}
static int
daysec(const struct tm *tm)
{
int seconds;
seconds = (tm->tm_hour * 60 + tm->tm_min) * 60 + tm->tm_sec;
return (seconds);
}
/*
* Match the time of access
*/
int
condition_match_time(const struct template *tmpl, const struct ip_hdr *ip,
u_short iplen, void *arg)
{
time_t tmp;
struct tm now;
int start_sec, now_sec, end_sec;
struct timeval tv;
struct condition_time *cdt = arg;
gettimeofday(&tv, NULL);
tmp = tv.tv_sec; localtime_r(&tmp, &now);
start_sec = daysec(&cdt->tm_start);
now_sec = daysec(&now);
end_sec = daysec(&cdt->tm_end);
return (start_sec <= now_sec && now_sec <= end_sec);
}
|
