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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
/* $OpenBSD: in_proto.c,v 1.10 1999/01/08 01:00:34 deraadt Exp $ */
/* $NetBSD: in_proto.c,v 1.14 1996/02/18 18:58:32 christos Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)in_proto.c 8.1 (Berkeley) 6/10/93
*/
/*
%%% portions-copyright-nrl-95
Portions of this software are Copyright 1995-1998 by Randall Atkinson,
Ronald Lee, Daniel McDonald, Bao Phan, and Chris Winters. All Rights
Reserved. All rights under this copyright have been assigned to the US
Naval Research Laboratory (NRL). The NRL Copyright Notice and License
Agreement Version 1.1 (January 17, 1995) applies to these portions of the
software.
You should have received a copy of the license with this software. If you
didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>.
*/
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/mbuf.h>
#include <net/if.h>
#include <net/radix.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/ip_icmp.h>
#include <netinet/in_pcb.h>
#include <netinet/igmp_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_fsm.h>
#include <netinet/tcp_seq.h>
#include <netinet/tcp_timer.h>
#include <netinet/tcp_var.h>
#include <netinet/tcpip.h>
#include <netinet/tcp_debug.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
/*
* TCP/IP protocol family: IP, ICMP, UDP, TCP.
*/
#ifdef NSIP
#include <netns/ns_var.h>
#include <netns/idp_var.h>
#endif /* NSIP */
#ifdef IPXIP
#include <netipx/ipx.h>
#include <netipx/ipx_ip.h>
#endif /* NSIP */
#ifdef TPIP
#include <netiso/tp_param.h>
#include <netiso/tp_var.h>
#endif /* TPIP */
#ifdef EON
#include <netiso/eonvar.h>
#endif /* EON */
#ifdef MROUTING
#include <netinet/ip_mroute.h>
#endif /* MROUTING */
#ifdef IPFILTER
void iplinit __P((void));
#define ip_init iplinit
#endif
#ifdef INET6
#include <netinet6/ipv6_var.h>
#endif /* INET6 */
#ifdef IPSEC
#include <net/encap.h>
#include <netinet/ip_ipsp.h>
extern void ah_input __P((struct mbuf *, ...));
extern void esp_input __P((struct mbuf *, ...));
extern int ah_output __P((struct mbuf *, struct sockaddr_encap *,
struct tdb *, struct mbuf **));
extern int esp_output __P((struct mbuf *, struct sockaddr_encap *,
struct tdb *, struct mbuf **));
#endif
extern struct domain inetdomain;
struct protosw inetsw[] = {
{ 0, &inetdomain, 0, 0,
0, ip_output, 0, 0,
0,
ip_init, 0, ip_slowtimo, ip_drain, ip_sysctl
},
{ SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR,
udp_input, 0, udp_ctlinput, ip_ctloutput,
udp_usrreq,
udp_init, 0, 0, 0, udp_sysctl
},
{ SOCK_STREAM, &inetdomain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD,
tcp_input, 0, tcp_ctlinput, tcp_ctloutput,
tcp_usrreq,
tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain, tcp_sysctl
},
{ SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
rip_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0,
},
{ SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR,
icmp_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0, icmp_sysctl
},
#if defined(IPSEC)
{ SOCK_RAW, &inetdomain, IPPROTO_IPIP, PR_ATOMIC|PR_ADDR,
ip4_input, rip_output, 0, rip_ctloutput,
rip_usrreq, /* XXX */
0, 0, 0, 0,
},
#elif defined(MROUTING)
{ SOCK_RAW, &inetdomain, IPPROTO_IPIP, PR_ATOMIC|PR_ADDR,
ipip_input, rip_output, 0, rip_ctloutput,
rip_usrreq, /* XXX */
0, 0, 0, 0,
},
#endif /* MROUTING/IPSEC */
{ SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR,
igmp_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
igmp_init, igmp_fasttimo, igmp_slowtimo, 0,
},
#ifdef TPIP
{ SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD,
tpip_input, 0, tpip_ctlinput, tp_ctloutput,
tp_usrreq,
tp_init, 0, tp_slowtimo, tp_drain,
},
#endif /* TPIP */
/* EON (ISO CLNL over IP) */
#ifdef EON
{ SOCK_RAW, &inetdomain, IPPROTO_EON, 0,
eoninput, 0, eonctlinput, 0,
0,
eonprotoinit, 0, 0, 0,
},
#endif /* EON */
#ifdef IPXIP
{ SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR,
ipxip_input, rip_output, ipxip_ctlinput, 0,
rip_usrreq,
ipxipprotoinit,0, 0, 0,
},
#endif /* NSIP */
#ifdef NSIP
{ SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR,
idpip_input, rip_output, nsip_ctlinput, 0,
rip_usrreq,
0, 0, 0, 0,
},
#endif /* NSIP */
#ifdef IPSEC
{ SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR,
ah_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0,
},
{ SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR,
esp_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0,
},
#endif
#ifdef INET6
/* IPv6 in IPv4 tunneled packets... */
{ SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR,
ipv6_input, rip_output, ipv6_trans_ctlinput, rip_ctloutput,
rip_usrreq,
0, 0, 0, 0
},
/* IPv4 in IPv4 tunneled packets... */
{ SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR,
ipv4_input, 0, 0, 0,
0,
0, 0, 0, 0
},
#endif /* defined(INET6) */
/* raw wildcard */
{ SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR,
rip_input, rip_output, 0, rip_ctloutput,
rip_usrreq,
rip_init, 0, 0, 0,
},
};
struct domain inetdomain =
{ AF_INET, "internet", 0, 0, 0,
inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0,
rn_inithead, 32, sizeof(struct sockaddr_in) };
#ifdef notyet /* XXXX */
#include "imp.h"
#if NIMP > 0
extern struct domain impdomain;
int rimp_output(), hostslowtimo();
struct protosw impsw[] = {
{ SOCK_RAW, &impdomain, 0, PR_ATOMIC|PR_ADDR,
0, rimp_output, 0, 0,
rip_usrreq,
0, 0, hostslowtimo, 0,
},
};
struct domain impdomain =
{ AF_IMPLINK, "imp", 0, 0, 0,
impsw, &impsw[sizeof (impsw)/sizeof(impsw[0])] };
#endif
#include "hy.h"
#if NHY > 0
/*
* HYPERchannel protocol family: raw interface.
*/
int rhy_output();
extern struct domain hydomain;
struct protosw hysw[] = {
{ SOCK_RAW, &hydomain, 0, PR_ATOMIC|PR_ADDR,
0, rhy_output, 0, 0,
rip_usrreq,
0, 0, 0, 0,
},
};
struct domain hydomain =
{ AF_HYLINK, "hy", 0, 0, 0, hysw, &hysw[sizeof (hysw)/sizeof(hysw[0])] };
#endif
#endif
|
