in_proto.c revision 1.98 1 1.98 degroote /* $NetBSD: in_proto.c,v 1.98 2009/09/14 10:36:50 degroote Exp $ */
2 1.32 itojun
3 1.32 itojun /*
4 1.32 itojun * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5 1.32 itojun * All rights reserved.
6 1.56 itojun *
7 1.32 itojun * Redistribution and use in source and binary forms, with or without
8 1.32 itojun * modification, are permitted provided that the following conditions
9 1.32 itojun * are met:
10 1.32 itojun * 1. Redistributions of source code must retain the above copyright
11 1.32 itojun * notice, this list of conditions and the following disclaimer.
12 1.32 itojun * 2. Redistributions in binary form must reproduce the above copyright
13 1.32 itojun * notice, this list of conditions and the following disclaimer in the
14 1.32 itojun * documentation and/or other materials provided with the distribution.
15 1.32 itojun * 3. Neither the name of the project nor the names of its contributors
16 1.32 itojun * may be used to endorse or promote products derived from this software
17 1.32 itojun * without specific prior written permission.
18 1.56 itojun *
19 1.32 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 1.32 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 1.32 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 1.32 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 1.32 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 1.32 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 1.32 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 1.32 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 1.32 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 1.32 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.32 itojun * SUCH DAMAGE.
30 1.32 itojun */
31 1.9 cgd
32 1.1 cgd /*
33 1.8 mycroft * Copyright (c) 1982, 1986, 1993
34 1.8 mycroft * The Regents of the University of California. All rights reserved.
35 1.1 cgd *
36 1.1 cgd * Redistribution and use in source and binary forms, with or without
37 1.1 cgd * modification, are permitted provided that the following conditions
38 1.1 cgd * are met:
39 1.1 cgd * 1. Redistributions of source code must retain the above copyright
40 1.1 cgd * notice, this list of conditions and the following disclaimer.
41 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
42 1.1 cgd * notice, this list of conditions and the following disclaimer in the
43 1.1 cgd * documentation and/or other materials provided with the distribution.
44 1.59 agc * 3. Neither the name of the University nor the names of its contributors
45 1.1 cgd * may be used to endorse or promote products derived from this software
46 1.1 cgd * without specific prior written permission.
47 1.1 cgd *
48 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 1.1 cgd * SUCH DAMAGE.
59 1.1 cgd *
60 1.18 thorpej * @(#)in_proto.c 8.2 (Berkeley) 2/9/95
61 1.1 cgd */
62 1.51 lukem
63 1.51 lukem #include <sys/cdefs.h>
64 1.98 degroote __KERNEL_RCSID(0, "$NetBSD: in_proto.c,v 1.98 2009/09/14 10:36:50 degroote Exp $");
65 1.19 scottr
66 1.19 scottr #include "opt_mrouting.h"
67 1.22 jonathan #include "opt_eon.h" /* ISO CLNL over IP */
68 1.22 jonathan #include "opt_iso.h" /* ISO TP tunneled over IP */
69 1.32 itojun #include "opt_inet.h"
70 1.33 thorpej #include "opt_ipsec.h"
71 1.65 manu #include "opt_pim.h"
72 1.97 pooka #include "opt_gateway.h"
73 1.1 cgd
74 1.5 mycroft #include <sys/param.h>
75 1.5 mycroft #include <sys/socket.h>
76 1.5 mycroft #include <sys/protosw.h>
77 1.5 mycroft #include <sys/domain.h>
78 1.5 mycroft #include <sys/mbuf.h>
79 1.1 cgd
80 1.8 mycroft #include <net/if.h>
81 1.8 mycroft #include <net/radix.h>
82 1.8 mycroft #include <net/route.h>
83 1.8 mycroft
84 1.5 mycroft #include <netinet/in.h>
85 1.5 mycroft #include <netinet/in_systm.h>
86 1.8 mycroft #include <netinet/ip.h>
87 1.8 mycroft #include <netinet/ip_var.h>
88 1.8 mycroft #include <netinet/ip_icmp.h>
89 1.78 dyoung #include <netinet/in_ifattach.h>
90 1.8 mycroft #include <netinet/in_pcb.h>
91 1.69 yamt #include <netinet/in_proto.h>
92 1.32 itojun
93 1.32 itojun #ifdef INET6
94 1.32 itojun #ifndef INET
95 1.32 itojun #include <netinet/in.h>
96 1.32 itojun #endif
97 1.32 itojun #include <netinet/ip6.h>
98 1.32 itojun #endif
99 1.32 itojun
100 1.8 mycroft #include <netinet/igmp_var.h>
101 1.65 manu #ifdef PIM
102 1.65 manu #include <netinet/pim_var.h>
103 1.65 manu #endif
104 1.8 mycroft #include <netinet/tcp.h>
105 1.8 mycroft #include <netinet/tcp_fsm.h>
106 1.8 mycroft #include <netinet/tcp_seq.h>
107 1.8 mycroft #include <netinet/tcp_timer.h>
108 1.8 mycroft #include <netinet/tcp_var.h>
109 1.8 mycroft #include <netinet/tcpip.h>
110 1.8 mycroft #include <netinet/tcp_debug.h>
111 1.8 mycroft #include <netinet/udp.h>
112 1.8 mycroft #include <netinet/udp_var.h>
113 1.39 itojun #include <netinet/ip_encap.h>
114 1.79 rpaulo
115 1.1 cgd /*
116 1.1 cgd * TCP/IP protocol family: IP, ICMP, UDP, TCP.
117 1.1 cgd */
118 1.1 cgd
119 1.32 itojun #ifdef IPSEC
120 1.58 itojun #include <netinet6/ipsec.h>
121 1.32 itojun #include <netinet6/ah.h>
122 1.32 itojun #ifdef IPSEC_ESP
123 1.32 itojun #include <netinet6/esp.h>
124 1.32 itojun #endif
125 1.32 itojun #include <netinet6/ipcomp.h>
126 1.32 itojun #endif /* IPSEC */
127 1.32 itojun
128 1.61 jonathan #ifdef FAST_IPSEC
129 1.61 jonathan #include <netipsec/ipsec.h>
130 1.61 jonathan #include <netipsec/key.h>
131 1.61 jonathan #endif /* FAST_IPSEC */
132 1.61 jonathan
133 1.1 cgd #ifdef TPIP
134 1.13 christos #include <netiso/tp_param.h>
135 1.13 christos #include <netiso/tp_var.h>
136 1.11 mycroft #endif /* TPIP */
137 1.1 cgd
138 1.1 cgd #ifdef EON
139 1.13 christos #include <netiso/eonvar.h>
140 1.8 mycroft #endif /* EON */
141 1.1 cgd
142 1.72 liamjfoy #include "carp.h"
143 1.72 liamjfoy #if NCARP > 0
144 1.72 liamjfoy #include <netinet/ip_carp.h>
145 1.72 liamjfoy #endif
146 1.72 liamjfoy
147 1.98 degroote #include "pfsync.h"
148 1.98 degroote #if NPFSYNC > 0
149 1.98 degroote #include <net/pfvar.h>
150 1.98 degroote #include <net/if_pfsync.h>
151 1.98 degroote #endif
152 1.98 degroote
153 1.79 rpaulo #include "etherip.h"
154 1.79 rpaulo #if NETHERIP > 0
155 1.79 rpaulo #include <netinet/ip_etherip.h>
156 1.79 rpaulo #endif
157 1.67 kim
158 1.66 matt DOMAIN_DEFINE(inetdomain); /* forward declare and add to link set */
159 1.66 matt
160 1.94 ad /* Wrappers to acquire kernel_lock. */
161 1.94 ad
162 1.94 ad PR_WRAP_USRREQ(rip_usrreq)
163 1.94 ad PR_WRAP_USRREQ(udp_usrreq)
164 1.94 ad PR_WRAP_USRREQ(tcp_usrreq)
165 1.94 ad
166 1.94 ad #define rip_usrreq rip_usrreq_wrapper
167 1.94 ad #define udp_usrreq udp_usrreq_wrapper
168 1.94 ad #define tcp_usrreq tcp_usrreq_wrapper
169 1.94 ad
170 1.94 ad PR_WRAP_CTLINPUT(rip_ctlinput)
171 1.94 ad PR_WRAP_CTLINPUT(udp_ctlinput)
172 1.94 ad PR_WRAP_CTLINPUT(tcp_ctlinput)
173 1.94 ad
174 1.94 ad #define rip_ctlinput rip_ctlinput_wrapper
175 1.94 ad #define udp_ctlinput udp_ctlinput_wrapper
176 1.94 ad #define tcp_ctlinput tcp_ctlinput_wrapper
177 1.94 ad
178 1.94 ad PR_WRAP_CTLOUTPUT(rip_ctloutput)
179 1.94 ad PR_WRAP_CTLOUTPUT(udp_ctloutput)
180 1.94 ad PR_WRAP_CTLOUTPUT(tcp_ctloutput)
181 1.94 ad
182 1.94 ad #define rip_ctloutput rip_ctloutput_wrapper
183 1.94 ad #define udp_ctloutput udp_ctloutput_wrapper
184 1.94 ad #define tcp_ctloutput tcp_ctloutput_wrapper
185 1.94 ad
186 1.94 ad #if defined(IPSEC) || defined(FAST_IPSEC)
187 1.94 ad PR_WRAP_CTLINPUT(ah4_ctlinput)
188 1.94 ad
189 1.94 ad #define ah4_ctlinput ah4_ctlinput_wrapper
190 1.94 ad #endif
191 1.94 ad
192 1.94 ad #if defined(IPSEC_ESP) || defined(FAST_IPSEC)
193 1.94 ad PR_WRAP_CTLINPUT(esp4_ctlinput)
194 1.94 ad
195 1.94 ad #define esp4_ctlinput esp4_ctlinput_wrapper
196 1.94 ad #endif
197 1.94 ad
198 1.94 ad #ifdef TPIP
199 1.94 ad PR_WRAP_CTLOUTPUT(tp_ctloutput)
200 1.94 ad
201 1.94 ad #define tp_ctloutput tp_ctloutput_wrapper
202 1.94 ad
203 1.94 ad PR_WRAP_CTLINPUT(tpip_ctlinput)
204 1.94 ad
205 1.94 ad #define tpip_ctlinput tpip_ctlinput_wrapper
206 1.94 ad #endif
207 1.94 ad
208 1.94 ad #ifdef EON
209 1.94 ad PR_WRAP_CTLINPUT(eonctlinput)
210 1.94 ad
211 1.94 ad #define eonctlinput eonctlinput_wrapper
212 1.94 ad #endif
213 1.94 ad
214 1.63 matt const struct protosw inetsw[] = {
215 1.81 liamjfoy { .pr_domain = &inetdomain,
216 1.81 liamjfoy .pr_init = ip_init,
217 1.81 liamjfoy .pr_output = ip_output,
218 1.81 liamjfoy .pr_slowtimo = ip_slowtimo,
219 1.81 liamjfoy .pr_drain = ip_drain,
220 1.81 liamjfoy },
221 1.81 liamjfoy { .pr_type = SOCK_DGRAM,
222 1.81 liamjfoy .pr_domain = &inetdomain,
223 1.81 liamjfoy .pr_protocol = IPPROTO_UDP,
224 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_PURGEIF,
225 1.81 liamjfoy .pr_input = udp_input,
226 1.81 liamjfoy .pr_ctlinput = udp_ctlinput,
227 1.81 liamjfoy .pr_ctloutput = udp_ctloutput,
228 1.81 liamjfoy .pr_usrreq = udp_usrreq,
229 1.81 liamjfoy .pr_init = udp_init,
230 1.81 liamjfoy },
231 1.81 liamjfoy { .pr_type = SOCK_STREAM,
232 1.81 liamjfoy .pr_domain = &inetdomain,
233 1.81 liamjfoy .pr_protocol = IPPROTO_TCP,
234 1.81 liamjfoy .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN|PR_ABRTACPTDIS|PR_PURGEIF,
235 1.81 liamjfoy .pr_input = tcp_input,
236 1.81 liamjfoy .pr_ctlinput = tcp_ctlinput,
237 1.81 liamjfoy .pr_ctloutput = tcp_ctloutput,
238 1.81 liamjfoy .pr_usrreq = tcp_usrreq,
239 1.81 liamjfoy .pr_init = tcp_init,
240 1.81 liamjfoy .pr_slowtimo = tcp_slowtimo,
241 1.81 liamjfoy .pr_drain = tcp_drain,
242 1.81 liamjfoy },
243 1.81 liamjfoy { .pr_type = SOCK_RAW,
244 1.81 liamjfoy .pr_domain = &inetdomain,
245 1.81 liamjfoy .pr_protocol = IPPROTO_RAW,
246 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_PURGEIF,
247 1.81 liamjfoy .pr_input = rip_input,
248 1.81 liamjfoy .pr_output = rip_output,
249 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
250 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
251 1.81 liamjfoy .pr_usrreq = rip_usrreq,
252 1.81 liamjfoy },
253 1.81 liamjfoy { .pr_type = SOCK_RAW,
254 1.81 liamjfoy .pr_domain = &inetdomain,
255 1.81 liamjfoy .pr_protocol = IPPROTO_ICMP,
256 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
257 1.81 liamjfoy .pr_input = icmp_input,
258 1.81 liamjfoy .pr_output = rip_output,
259 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
260 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
261 1.81 liamjfoy .pr_usrreq = rip_usrreq,
262 1.81 liamjfoy .pr_init = icmp_init,
263 1.8 mycroft },
264 1.83 liamjfoy #ifdef GATEWAY
265 1.83 liamjfoy { .pr_domain = &inetdomain,
266 1.83 liamjfoy .pr_protocol = IPPROTO_IP,
267 1.83 liamjfoy .pr_slowtimo = ipflow_slowtimo,
268 1.96 pooka .pr_init = ipflow_poolinit,
269 1.83 liamjfoy },
270 1.83 liamjfoy #endif /* GATEWAY */
271 1.32 itojun #ifdef IPSEC
272 1.81 liamjfoy { .pr_type = SOCK_RAW,
273 1.81 liamjfoy .pr_domain = &inetdomain,
274 1.81 liamjfoy .pr_protocol = IPPROTO_AH,
275 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
276 1.81 liamjfoy .pr_input = ah4_input,
277 1.81 liamjfoy .pr_ctlinput = ah4_ctlinput,
278 1.93 thorpej .pr_init = ah4_init,
279 1.32 itojun },
280 1.32 itojun #ifdef IPSEC_ESP
281 1.81 liamjfoy { .pr_type = SOCK_RAW,
282 1.81 liamjfoy .pr_domain = &inetdomain,
283 1.81 liamjfoy .pr_protocol = IPPROTO_ESP,
284 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
285 1.81 liamjfoy .pr_input = esp4_input,
286 1.81 liamjfoy .pr_ctlinput = esp4_ctlinput,
287 1.93 thorpej .pr_init = esp4_init,
288 1.81 liamjfoy },
289 1.81 liamjfoy #endif /* IPSEC_ESP */
290 1.81 liamjfoy { .pr_type = SOCK_RAW,
291 1.82 liamjfoy .pr_domain = &inetdomain,
292 1.81 liamjfoy .pr_protocol = IPPROTO_IPCOMP,
293 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
294 1.81 liamjfoy .pr_input = ipcomp4_input,
295 1.93 thorpej .pr_init = ipcomp4_init,
296 1.32 itojun },
297 1.32 itojun #endif /* IPSEC */
298 1.61 jonathan #ifdef FAST_IPSEC
299 1.81 liamjfoy { .pr_type = SOCK_RAW,
300 1.81 liamjfoy .pr_domain = &inetdomain,
301 1.81 liamjfoy .pr_protocol = IPPROTO_AH,
302 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
303 1.81 liamjfoy .pr_input = ipsec4_common_input,
304 1.81 liamjfoy .pr_ctlinput = ah4_ctlinput,
305 1.81 liamjfoy },
306 1.81 liamjfoy { .pr_type = SOCK_RAW,
307 1.81 liamjfoy .pr_domain = &inetdomain,
308 1.81 liamjfoy .pr_protocol = IPPROTO_ESP,
309 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
310 1.81 liamjfoy .pr_input = ipsec4_common_input,
311 1.81 liamjfoy .pr_ctlinput = esp4_ctlinput,
312 1.81 liamjfoy },
313 1.81 liamjfoy { .pr_type = SOCK_RAW,
314 1.81 liamjfoy .pr_domain = &inetdomain,
315 1.81 liamjfoy .pr_protocol = IPPROTO_IPCOMP,
316 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
317 1.81 liamjfoy .pr_input = ipsec4_common_input,
318 1.61 jonathan },
319 1.61 jonathan #endif /* FAST_IPSEC */
320 1.81 liamjfoy { .pr_type = SOCK_RAW,
321 1.81 liamjfoy .pr_domain = &inetdomain,
322 1.81 liamjfoy .pr_protocol = IPPROTO_IPV4,
323 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
324 1.81 liamjfoy .pr_input = encap4_input,
325 1.81 liamjfoy .pr_output = rip_output,
326 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
327 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
328 1.81 liamjfoy .pr_usrreq = rip_usrreq,
329 1.81 liamjfoy .pr_init = encap_init,
330 1.32 itojun },
331 1.32 itojun #ifdef INET6
332 1.81 liamjfoy { .pr_type = SOCK_RAW,
333 1.81 liamjfoy .pr_domain = &inetdomain,
334 1.81 liamjfoy .pr_protocol = IPPROTO_IPV6,
335 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
336 1.81 liamjfoy .pr_input = encap4_input,
337 1.81 liamjfoy .pr_output = rip_output,
338 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
339 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
340 1.81 liamjfoy .pr_usrreq = rip_usrreq,
341 1.81 liamjfoy .pr_init = encap_init,
342 1.32 itojun },
343 1.32 itojun #endif /* INET6 */
344 1.79 rpaulo #if NETHERIP > 0
345 1.81 liamjfoy { .pr_type = SOCK_RAW,
346 1.81 liamjfoy .pr_domain = &inetdomain,
347 1.81 liamjfoy .pr_protocol = IPPROTO_ETHERIP,
348 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
349 1.81 liamjfoy .pr_input = ip_etherip_input,
350 1.81 liamjfoy .pr_output = rip_output,
351 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
352 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
353 1.81 liamjfoy .pr_usrreq = rip_usrreq,
354 1.67 kim },
355 1.81 liamjfoy #endif /* NETHERIP > 0 */
356 1.72 liamjfoy #if NCARP > 0
357 1.81 liamjfoy { .pr_type = SOCK_RAW,
358 1.81 liamjfoy .pr_domain = &inetdomain,
359 1.81 liamjfoy .pr_protocol = IPPROTO_CARP,
360 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
361 1.81 liamjfoy .pr_input = carp_proto_input,
362 1.81 liamjfoy .pr_output = rip_output,
363 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
364 1.81 liamjfoy .pr_usrreq = rip_usrreq,
365 1.72 liamjfoy },
366 1.81 liamjfoy #endif /* NCARP > 0 */
367 1.98 degroote #if NPFSYNC > 0
368 1.98 degroote { .pr_type = SOCK_RAW,
369 1.98 degroote .pr_domain = &inetdomain,
370 1.98 degroote .pr_protocol = IPPROTO_PFSYNC,
371 1.98 degroote .pr_flags = PR_ATOMIC|PR_ADDR,
372 1.98 degroote .pr_input = pfsync_input,
373 1.98 degroote .pr_output = rip_output,
374 1.98 degroote .pr_ctloutput = rip_ctloutput,
375 1.98 degroote .pr_usrreq = rip_usrreq,
376 1.98 degroote },
377 1.98 degroote #endif /* NPFSYNC > 0 */
378 1.81 liamjfoy { .pr_type = SOCK_RAW,
379 1.81 liamjfoy .pr_domain = &inetdomain,
380 1.81 liamjfoy .pr_protocol = IPPROTO_IGMP,
381 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
382 1.81 liamjfoy .pr_input = igmp_input,
383 1.81 liamjfoy .pr_output = rip_output,
384 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
385 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
386 1.81 liamjfoy .pr_usrreq = rip_usrreq,
387 1.81 liamjfoy .pr_fasttimo = igmp_fasttimo,
388 1.81 liamjfoy .pr_slowtimo = igmp_slowtimo,
389 1.92 thorpej .pr_init = igmp_init,
390 1.1 cgd },
391 1.65 manu #ifdef PIM
392 1.81 liamjfoy { .pr_type = SOCK_RAW,
393 1.81 liamjfoy .pr_domain = &inetdomain,
394 1.81 liamjfoy .pr_protocol = IPPROTO_PIM,
395 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
396 1.81 liamjfoy .pr_input = pim_input,
397 1.81 liamjfoy .pr_output = rip_output,
398 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
399 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
400 1.81 liamjfoy .pr_usrreq = rip_usrreq,
401 1.65 manu },
402 1.65 manu #endif /* PIM */
403 1.1 cgd #ifdef TPIP
404 1.81 liamjfoy { .pr_type = SOCK_SEQPACKET,
405 1.81 liamjfoy .pr_domain = &inetdomain,
406 1.81 liamjfoy .pr_protocol = IPPROTO_TP,
407 1.81 liamjfoy .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN|PR_LASTHDR|PR_ABRTACPTDIS,
408 1.81 liamjfoy .pr_input = tpip_input,
409 1.81 liamjfoy .pr_ctloutput = tp_ctloutput,
410 1.81 liamjfoy .pr_ctlinput = tpip_ctlinput,
411 1.81 liamjfoy .pr_usrreq = tp_usrreq,
412 1.81 liamjfoy .pr_init = tp_init,
413 1.81 liamjfoy .pr_slowtimo = tp_slowtimo,
414 1.81 liamjfoy .pr_drain = tp_drain,
415 1.1 cgd },
416 1.11 mycroft #endif /* TPIP */
417 1.45 itojun #ifdef ISO
418 1.1 cgd /* EON (ISO CLNL over IP) */
419 1.1 cgd #ifdef EON
420 1.81 liamjfoy { .pr_type = SOCK_RAW,
421 1.81 liamjfoy .pr_domain = &inetdomain,
422 1.81 liamjfoy .pr_protocol = IPPROTO_EON,
423 1.81 liamjfoy .pr_flags = PR_LASTHDR,
424 1.81 liamjfoy .pr_input = eoninput,
425 1.81 liamjfoy .pr_ctlinput = eonctlinput,
426 1.81 liamjfoy .pr_init = eonprotoinit,
427 1.4 hpeyerl },
428 1.45 itojun #else
429 1.81 liamjfoy { .pr_type = SOCK_RAW,
430 1.81 liamjfoy .pr_domain = &inetdomain,
431 1.81 liamjfoy .pr_protocol = IPPROTO_EON,
432 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
433 1.81 liamjfoy .pr_input = encap4_input,
434 1.81 liamjfoy .pr_output = rip_output,
435 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
436 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
437 1.81 liamjfoy .pr_usrreq = rip_usrreq,
438 1.81 liamjfoy .pr_init = encap_init,
439 1.45 itojun },
440 1.11 mycroft #endif /* EON */
441 1.45 itojun #endif /* ISO */
442 1.11 mycroft /* raw wildcard */
443 1.81 liamjfoy { .pr_type = SOCK_RAW,
444 1.81 liamjfoy .pr_domain = &inetdomain,
445 1.81 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
446 1.81 liamjfoy .pr_input = rip_input,
447 1.81 liamjfoy .pr_output = rip_output,
448 1.81 liamjfoy .pr_ctloutput = rip_ctloutput,
449 1.81 liamjfoy .pr_ctlinput = rip_ctlinput,
450 1.81 liamjfoy .pr_usrreq = rip_usrreq,
451 1.81 liamjfoy .pr_init = rip_init,
452 1.1 cgd },
453 1.1 cgd };
454 1.1 cgd
455 1.73 matt extern struct ifqueue ipintrq;
456 1.73 matt
457 1.89 dyoung const struct sockaddr_in in_any = {
458 1.89 dyoung .sin_len = sizeof(struct sockaddr_in)
459 1.89 dyoung , .sin_family = AF_INET
460 1.89 dyoung , .sin_port = 0
461 1.90 dyoung , .sin_addr = {.s_addr = 0 /* INADDR_ANY */}
462 1.89 dyoung };
463 1.89 dyoung
464 1.73 matt struct domain inetdomain = {
465 1.80 dyoung .dom_family = PF_INET, .dom_name = "internet", .dom_init = NULL,
466 1.80 dyoung .dom_externalize = NULL, .dom_dispose = NULL,
467 1.80 dyoung .dom_protosw = inetsw,
468 1.87 dyoung .dom_protoswNPROTOSW = &inetsw[__arraycount(inetsw)],
469 1.80 dyoung .dom_rtattach = rn_inithead,
470 1.95 pooka .dom_rtoffset = 32,
471 1.95 pooka .dom_maxrtkey = sizeof(struct ip_pack4),
472 1.78 dyoung #ifdef IPSELSRC
473 1.80 dyoung .dom_ifattach = in_domifattach,
474 1.80 dyoung .dom_ifdetach = in_domifdetach,
475 1.78 dyoung #else
476 1.80 dyoung .dom_ifattach = NULL,
477 1.80 dyoung .dom_ifdetach = NULL,
478 1.78 dyoung #endif
479 1.80 dyoung .dom_ifqueues = { &ipintrq, NULL },
480 1.80 dyoung .dom_link = { NULL },
481 1.80 dyoung .dom_mowner = MOWNER_INIT("",""),
482 1.86 dyoung .dom_sa_cmpofs = offsetof(struct sockaddr_in, sin_addr),
483 1.86 dyoung .dom_sa_cmplen = sizeof(struct in_addr),
484 1.89 dyoung .dom_sa_any = (const struct sockaddr *)&in_any,
485 1.89 dyoung .dom_sockaddr_const_addr = sockaddr_in_const_addr,
486 1.89 dyoung .dom_sockaddr_addr = sockaddr_in_addr,
487 1.84 dyoung .dom_rtcache = LIST_HEAD_INITIALIZER(inetdomain.dom_rtcache)
488 1.73 matt };
489 1.38 darrenr
490 1.38 darrenr u_char ip_protox[IPPROTO_MAX];
491 1.36 thorpej
492 1.40 itojun int icmperrppslim = 100; /* 100pps */
493 1.84 dyoung
494 1.89 dyoung static void
495 1.89 dyoung sockaddr_in_addrlen(const struct sockaddr *sa, socklen_t *slenp)
496 1.89 dyoung {
497 1.89 dyoung socklen_t slen;
498 1.89 dyoung
499 1.89 dyoung if (slenp == NULL)
500 1.89 dyoung return;
501 1.89 dyoung
502 1.89 dyoung slen = sockaddr_getlen(sa);
503 1.89 dyoung *slenp = (socklen_t)MIN(sizeof(struct in_addr),
504 1.89 dyoung slen - MIN(slen, offsetof(struct sockaddr_in, sin_addr)));
505 1.89 dyoung }
506 1.89 dyoung
507 1.89 dyoung const void *
508 1.89 dyoung sockaddr_in_const_addr(const struct sockaddr *sa, socklen_t *slenp)
509 1.89 dyoung {
510 1.89 dyoung const struct sockaddr_in *sin;
511 1.89 dyoung
512 1.89 dyoung sockaddr_in_addrlen(sa, slenp);
513 1.89 dyoung sin = (const struct sockaddr_in *)sa;
514 1.89 dyoung return &sin->sin_addr;
515 1.89 dyoung }
516 1.89 dyoung
517 1.89 dyoung void *
518 1.89 dyoung sockaddr_in_addr(struct sockaddr *sa, socklen_t *slenp)
519 1.89 dyoung {
520 1.89 dyoung struct sockaddr_in *sin;
521 1.89 dyoung
522 1.89 dyoung sockaddr_in_addrlen(sa, slenp);
523 1.89 dyoung sin = (struct sockaddr_in *)sa;
524 1.89 dyoung return &sin->sin_addr;
525 1.89 dyoung }
526 1.89 dyoung
527 1.84 dyoung int
528 1.84 dyoung sockaddr_in_cmp(const struct sockaddr *sa1, const struct sockaddr *sa2)
529 1.84 dyoung {
530 1.84 dyoung uint_fast8_t len;
531 1.84 dyoung const uint_fast8_t addrofs = offsetof(struct sockaddr_in, sin_addr),
532 1.84 dyoung addrend = addrofs + sizeof(struct in_addr);
533 1.84 dyoung int rc;
534 1.84 dyoung const struct sockaddr_in *sin1, *sin2;
535 1.84 dyoung
536 1.84 dyoung sin1 = satocsin(sa1);
537 1.84 dyoung sin2 = satocsin(sa2);
538 1.84 dyoung
539 1.84 dyoung len = MIN(addrend, MIN(sin1->sin_len, sin2->sin_len));
540 1.84 dyoung
541 1.84 dyoung if (len > addrofs &&
542 1.84 dyoung (rc = memcmp(&sin1->sin_addr, &sin2->sin_addr,
543 1.84 dyoung len - addrofs)) != 0)
544 1.84 dyoung return rc;
545 1.84 dyoung
546 1.84 dyoung return sin1->sin_len - sin2->sin_len;
547 1.84 dyoung }
548