in_proto.c revision 1.58
1 /* $NetBSD: in_proto.c,v 1.58 2002/11/02 19:03:44 itojun 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 * Copyright (c) 1982, 1986, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)in_proto.c 8.2 (Berkeley) 2/9/95 65 */ 66 67 #include <sys/cdefs.h> 68 __KERNEL_RCSID(0, "$NetBSD: in_proto.c,v 1.58 2002/11/02 19:03:44 itojun Exp $"); 69 70 #include "opt_mrouting.h" 71 #include "opt_eon.h" /* ISO CLNL over IP */ 72 #include "opt_iso.h" /* ISO TP tunneled over IP */ 73 #include "opt_ns.h" /* NSIP: XNS tunneled over IP */ 74 #include "opt_inet.h" 75 #include "opt_ipsec.h" 76 77 #include <sys/param.h> 78 #include <sys/socket.h> 79 #include <sys/protosw.h> 80 #include <sys/domain.h> 81 #include <sys/mbuf.h> 82 83 #include <net/if.h> 84 #include <net/radix.h> 85 #include <net/route.h> 86 87 #include <netinet/in.h> 88 #include <netinet/in_systm.h> 89 #include <netinet/ip.h> 90 #include <netinet/ip_var.h> 91 #include <netinet/ip_icmp.h> 92 #include <netinet/in_pcb.h> 93 94 #ifdef INET6 95 #ifndef INET 96 #include <netinet/in.h> 97 #endif 98 #include <netinet/ip6.h> 99 #endif 100 101 #include <netinet/igmp_var.h> 102 #include <netinet/tcp.h> 103 #include <netinet/tcp_fsm.h> 104 #include <netinet/tcp_seq.h> 105 #include <netinet/tcp_timer.h> 106 #include <netinet/tcp_var.h> 107 #include <netinet/tcpip.h> 108 #include <netinet/tcp_debug.h> 109 #include <netinet/udp.h> 110 #include <netinet/udp_var.h> 111 #include <netinet/ip_encap.h> 112 /* 113 * TCP/IP protocol family: IP, ICMP, UDP, TCP. 114 */ 115 116 #ifdef IPSEC 117 #include <netinet6/ipsec.h> 118 #include <netinet6/ah.h> 119 #ifdef IPSEC_ESP 120 #include <netinet6/esp.h> 121 #endif 122 #include <netinet6/ipcomp.h> 123 #endif /* IPSEC */ 124 125 #ifdef NSIP 126 #include <netns/ns_var.h> 127 #include <netns/idp_var.h> 128 #endif /* NSIP */ 129 130 #ifdef TPIP 131 #include <netiso/tp_param.h> 132 #include <netiso/tp_var.h> 133 #endif /* TPIP */ 134 135 #ifdef EON 136 #include <netiso/eonvar.h> 137 #endif /* EON */ 138 139 #include "gre.h" 140 #if NGRE > 0 141 #include <netinet/ip_gre.h> 142 #endif 143 144 extern struct domain inetdomain; 145 146 struct protosw inetsw[] = { 147 { 0, &inetdomain, 0, 0, 148 0, ip_output, 0, 0, 149 0, 150 ip_init, 0, ip_slowtimo, ip_drain, ip_sysctl 151 }, 152 { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, 153 udp_input, 0, udp_ctlinput, ip_ctloutput, 154 udp_usrreq, 155 udp_init, 0, 0, 0, udp_sysctl 156 }, 157 { SOCK_STREAM, &inetdomain, IPPROTO_TCP, PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN|PR_ABRTACPTDIS, 158 tcp_input, 0, tcp_ctlinput, tcp_ctloutput, 159 tcp_usrreq, 160 tcp_init, 0, tcp_slowtimo, tcp_drain, tcp_sysctl 161 }, 162 { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, 163 rip_input, rip_output, rip_ctlinput, rip_ctloutput, 164 rip_usrreq, 165 0, 0, 0, 0, 166 }, 167 { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 168 icmp_input, rip_output, rip_ctlinput, rip_ctloutput, 169 rip_usrreq, 170 icmp_init, 0, 0, 0, icmp_sysctl 171 }, 172 #ifdef IPSEC 173 { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR, 174 ah4_input, 0, ah4_ctlinput, 0, 175 0, 176 0, 0, 0, 0, ipsec_sysctl 177 }, 178 #ifdef IPSEC_ESP 179 { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR, 180 esp4_input, 0, esp4_ctlinput, 0, 181 0, 182 0, 0, 0, 0, ipsec_sysctl 183 }, 184 #endif 185 { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR, 186 ipcomp4_input, 0, 0, 0, 187 0, 188 0, 0, 0, 0, ipsec_sysctl 189 }, 190 #endif /* IPSEC */ 191 { SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 192 encap4_input, rip_output, rip_ctlinput, rip_ctloutput, 193 rip_usrreq, /*XXX*/ 194 encap_init, 0, 0, 0, 195 }, 196 #ifdef INET6 197 { SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 198 encap4_input, rip_output, rip_ctlinput, rip_ctloutput, 199 rip_usrreq, /*XXX*/ 200 encap_init, 0, 0, 0, 201 }, 202 #endif /* INET6 */ 203 #if NGRE > 0 204 { SOCK_RAW, &inetdomain, IPPROTO_GRE, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 205 gre_input, rip_output, rip_ctlinput, rip_ctloutput, 206 rip_usrreq, 207 0, 0, 0, 0, 208 }, 209 { SOCK_RAW, &inetdomain, IPPROTO_MOBILE, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 210 gre_mobile_input, rip_output, rip_ctlinput, rip_ctloutput, 211 rip_usrreq, 212 0, 0, 0, 0, 213 }, 214 #endif /* NGRE > 0 */ 215 { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 216 igmp_input, rip_output, rip_ctlinput, rip_ctloutput, 217 rip_usrreq, 218 igmp_init, igmp_fasttimo, igmp_slowtimo, 0, 219 }, 220 #ifdef TPIP 221 { SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN|PR_LASTHDR|PR_ABRTACPTDIS, 222 tpip_input, 0, tpip_ctlinput, tp_ctloutput, 223 tp_usrreq, 224 tp_init, 0, tp_slowtimo, tp_drain, 225 }, 226 #endif /* TPIP */ 227 #ifdef ISO 228 /* EON (ISO CLNL over IP) */ 229 #ifdef EON 230 { SOCK_RAW, &inetdomain, IPPROTO_EON, PR_LASTHDR, 231 eoninput, 0, eonctlinput, 0, 232 0, 233 eonprotoinit, 0, 0, 0, 234 }, 235 #else 236 { SOCK_RAW, &inetdomain, IPPROTO_EON, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 237 encap4_input, rip_output, rip_ctlinput, rip_ctloutput, 238 rip_usrreq, /*XXX*/ 239 encap_init, 0, 0, 0, 240 }, 241 #endif /* EON */ 242 #endif /* ISO */ 243 #ifdef NSIP 244 { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, 245 idpip_input, NULL, nsip_ctlinput, 0, 246 rip_usrreq, 247 0, 0, 0, 0, 248 }, 249 #endif /* NSIP */ 250 /* raw wildcard */ 251 { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR, 252 rip_input, rip_output, rip_ctlinput, rip_ctloutput, 253 rip_usrreq, 254 rip_init, 0, 0, 0, 255 }, 256 }; 257 258 struct domain inetdomain = 259 { PF_INET, "internet", 0, 0, 0, 260 inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0, 261 rn_inithead, 32, sizeof(struct sockaddr_in) }; 262 263 u_char ip_protox[IPPROTO_MAX]; 264 265 int icmperrppslim = 100; /* 100pps */ 266
Indexes created Wed Sep 24 05:09:52 GMT 2025