1 /*
2 * Copyright (c) 2012
3 * Inferno Nettverk A/S, Norway. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. The above copyright notice, this list of conditions and the following
9 * disclaimer must appear in all copies of the software, derivative works
10 * or modified versions, and any portions thereof, aswell as in all
11 * supporting documentation.
12 * 2. All advertising materials mentioning features or use of this software
13 * must display the following acknowledgement:
14 * This product includes software developed by
15 * Inferno Nettverk A/S, Norway.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * Inferno Nettverk A/S requests users of this software to return to
31 *
32 * Software Distribution Coordinator or sdc@inet.no
33 * Inferno Nettverk A/S
34 * Oslo Research Park
35 * Gaustadall�en 21
36 * NO-0349 Oslo
37 * Norway
38 *
39 * any improvements or extensions that they make and grant Inferno Nettverk A/S
40 * the rights to redistribute these changes.
41 *
42 */
43
44 #ifdef HAVE_CONFIG_H
45 #include "autoconf.h"
46 #endif /* HAVE_CONFIG_H */
47
48 /*
49 * The uh_dport/uh_sport values are only available on Linux when
50 * _BSD_SOURCE is set and _XOPEN_SOURCE/_XOPEN_SOURCE_EXTENDED
51 * is not set.
52 *
53 * Functions to access these fields are placed in this file,
54 * making this the only file where _XOPEN_SOURCE/_XOPEN_SOURCE_EXTENDED
55 * are not set.
56 */
57
58 #if HAVE_LINUX_BUGS
59 #undef _XOPEN_SOURCE
60 #undef _XOPEN_SOURCE_EXTENDED
61 #endif /* HAVE_LINUX_BUGS */
62
63 #include <sys/types.h>
64 #include <netinet/in_systm.h>
65 #include <netinet/in.h>
66 #include <netinet/ip.h>
67 #include <netinet/udp.h>
68
69 static const char rcsid[] =
70 "$Id: udp_port.c,v 1.3 2012/08/08 13:17:05 michaels Exp $";
71
72 in_port_t *udphdr_uh_dport(struct udphdr *udp);
73 in_port_t *udphdr_uh_sport(struct udphdr *udp);
74 uint16_t *udphdr_uh_ulen(struct udphdr *udp);
75 uint16_t *udphdr_uh_sum(struct udphdr *udp);
76
77 in_port_t *
udphdr_uh_dport(struct udphdr * udp)78 udphdr_uh_dport(struct udphdr *udp)
79 {
80
81 return &udp->uh_dport;
82 }
83
84 in_port_t *
udphdr_uh_sport(struct udphdr * udp)85 udphdr_uh_sport(struct udphdr *udp)
86 {
87
88 return &udp->uh_sport;
89 }
90
91 uint16_t *
udphdr_uh_ulen(struct udphdr * udp)92 udphdr_uh_ulen(struct udphdr *udp)
93 {
94
95 return &udp->uh_ulen;
96 }
97
98 uint16_t *
udphdr_uh_sum(struct udphdr * udp)99 udphdr_uh_sum(struct udphdr *udp)
100 {
101
102 return &udp->uh_sum;
103 }
104