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1 | /* $KAME: natpt_var.h,v 1.6 2000/03/25 07:23:57 sumikawa Exp $ */ |
2 | ||
3 | /* | |
4 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. | |
5 | * All rights reserved. | |
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 | * 3. Neither the name of the project nor the names of its contributors | |
16 | * may be used to endorse or promote products derived from this software | |
17 | * without specific prior written permission. | |
18 | * | |
19 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND | |
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE | |
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
29 | * SUCH DAMAGE. | |
30 | */ | |
31 | ||
32 | ||
33 | extern int natpt_initialized; | |
34 | extern int ip6_protocol_tr; | |
35 | extern u_int natpt_debug; | |
36 | extern u_int natpt_dump; | |
37 | ||
38 | extern struct ifnet *natpt_ip6src; | |
39 | ||
40 | /* natpt_log.c */ | |
41 | void natpt_logMsg __P((int, void *, size_t)); | |
42 | void natpt_logMBuf __P((int, struct mbuf *, char *)); | |
43 | void natpt_logIp4 __P((int, struct ip *)); | |
44 | void natpt_logIp6 __P((int, struct ip6_hdr *)); | |
45 | int natpt_log __P((int, int, void *, size_t)); | |
46 | int natpt_logIN6addr __P((int, char *, struct in6_addr *)); | |
47 | ||
48 | void natpt_debugProbe __P((void)); | |
49 | void natpt_assert __P((const char *, int, const char *)); | |
50 | void natpt_initialize __P((void)); | |
51 | ||
52 | ||
53 | /* natpt_rule.c */ | |
54 | struct _cSlot *lookingForIncomingV4Rule __P((struct _cv *)); | |
55 | struct _cSlot *lookingForOutgoingV4Rule __P((struct _cv *)); | |
56 | struct _cSlot *lookingForIncomingV6Rule __P((struct _cv *)); | |
57 | struct _cSlot *lookingForOutgoingV6Rule __P((struct _cv *)); | |
58 | int _natptEnableTrans __P((caddr_t)); | |
59 | int _natptDisableTrans __P((caddr_t)); | |
60 | int _natptSetRule __P((caddr_t)); | |
61 | int _natptSetFaithRule __P((caddr_t)); | |
62 | int _natptFlushRule __P((caddr_t)); | |
63 | int _natptSetPrefix __P((caddr_t)); | |
64 | ||
65 | int _natptBreak __P((void)); | |
66 | ||
67 | ||
68 | struct ifBox *natpt_asIfBox __P((char *)); | |
69 | struct ifBox *natpt_setIfBox __P((char *)); | |
70 | ||
71 | ||
72 | /* natpt_trans.c */ | |
73 | #ifdef NATPT_NAT | |
74 | struct mbuf *translatingIPv4To4 __P((struct _cv *, struct pAddr *)); | |
75 | struct mbuf *translatingICMPv4To4 __P((struct _cv *, struct pAddr *)); | |
76 | struct mbuf *translatingTCPv4To4 __P((struct _cv *, struct pAddr *)); | |
77 | struct mbuf *translatingUDPv4To4 __P((struct _cv *, struct pAddr *)); | |
78 | #endif | |
79 | ||
80 | struct mbuf *translatingIPv4To6 __P((struct _cv *, struct pAddr *)); | |
81 | struct mbuf *translatingICMPv4To6 __P((struct _cv *, struct pAddr *)); | |
82 | struct mbuf *translatingTCPv4To6 __P((struct _cv *, struct pAddr *)); | |
83 | struct mbuf *translatingUDPv4To6 __P((struct _cv *, struct pAddr *)); | |
84 | struct mbuf *translatingTCPUDPv4To6 __P((struct _cv *, struct pAddr *, struct _cv *)); | |
85 | ||
86 | struct mbuf *translatingIPv6To4 __P((struct _cv *, struct pAddr *)); | |
87 | struct mbuf *translatingICMPv6To4 __P((struct _cv *, struct pAddr *)); | |
88 | struct mbuf *translatingTCPv6To4 __P((struct _cv *, struct pAddr *)); | |
89 | struct mbuf *translatingUDPv6To4 __P((struct _cv *, struct pAddr *)); | |
90 | struct mbuf *translatingTCPUDPv6To4 __P((struct _cv *, struct pAddr *, struct _cv *)); | |
91 | ||
92 | ||
93 | /* natpt_tslot.c */ | |
94 | struct _tSlot *lookingForOutgoingV4Hash __P((struct _cv *)); | |
95 | struct _tSlot *lookingForIncomingV4Hash __P((struct _cv *)); | |
96 | struct _tSlot *lookingForOutgoingV6Hash __P((struct _cv *)); | |
97 | struct _tSlot *lookingForIncomingV6Hash __P((struct _cv *)); | |
98 | struct _tSlot *internIncomingV4Hash __P((int, struct _cSlot *, struct _cv *)); | |
99 | struct _tSlot *internOutgoingV4Hash __P((int, struct _cSlot *, struct _cv *)); | |
100 | struct _tSlot *internIncomingV6Hash __P((int, struct _cSlot *, struct _cv *)); | |
101 | struct _tSlot *internOutgoingV6Hash __P((int, struct _cSlot *, struct _cv *)); | |
102 | ||
103 | struct _tSlot *checkTraceroute6Return __P((struct _cv *)); | |
104 | ||
105 | void init_hash __P((void)); | |
106 | void init_tslot __P((void)); | |
107 | ||
108 | ||
109 | /* natpt_usrreq.c */ | |
110 | void natpt_input __P((struct mbuf *, struct sockproto *, | |
111 | struct sockaddr *src, struct sockaddr *dst)); | |
112 |