/* * 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 8.2 (Berkeley) 2/9/95 * $FreeBSD$ */ #include "opt_ipdivert.h" #include "opt_ipx.h" #include "opt_ipsec.h" #include "opt_inet6.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * TCP/IP protocol family: IP, ICMP, UDP, TCP. */ #ifdef IPSEC #include #include #ifdef IPSEC_ESP #include #endif #include #endif /* IPSEC */ #ifdef IPXIP #include #endif #ifdef NSIP #include #include #endif extern struct domain inetdomain; static struct pr_usrreqs nousrreqs; struct protosw inetsw[] = { { 0, &inetdomain, 0, 0, 0, 0, 0, 0, 0, ip_init, 0, ip_slowtimo, ip_drain, &nousrreqs }, { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR, udp_input, 0, udp_ctlinput, ip_ctloutput, 0, udp_init, 0, 0, 0, &udp_usrreqs }, { SOCK_STREAM, &inetdomain, IPPROTO_TCP, PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD, tcp_input, 0, tcp_ctlinput, tcp_ctloutput, 0, tcp_init, 0, tcp_slowtimo, tcp_drain, &tcp_usrreqs }, { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR, rip_input, 0, rip_ctlinput, rip_ctloutput, 0, 0, 0, 0, 0, &rip_usrreqs }, { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, icmp_input, 0, 0, rip_ctloutput, 0, 0, 0, 0, 0, &rip_usrreqs }, { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, igmp_input, 0, 0, rip_ctloutput, 0, igmp_init, igmp_fasttimo, igmp_slowtimo, 0, &rip_usrreqs }, { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, rsvp_input, 0, 0, rip_ctloutput, 0, 0, 0, 0, 0, &rip_usrreqs }, #ifdef IPSEC { SOCK_RAW, &inetdomain, IPPROTO_AH, PR_ATOMIC|PR_ADDR, ah4_input, 0, 0, 0, 0, 0, 0, 0, 0, &nousrreqs }, #ifdef IPSEC_ESP { SOCK_RAW, &inetdomain, IPPROTO_ESP, PR_ATOMIC|PR_ADDR, esp4_input, 0, 0, 0, 0, 0, 0, 0, 0, &nousrreqs }, #endif { SOCK_RAW, &inetdomain, IPPROTO_IPCOMP, PR_ATOMIC|PR_ADDR, ipcomp4_input, 0, 0, 0, 0, 0, 0, 0, 0, &nousrreqs }, #endif /* IPSEC */ { SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR|PR_LASTHDR, encap4_input, 0, 0, rip_ctloutput, 0, encap_init, 0, 0, 0, &rip_usrreqs }, { SOCK_RAW, &inetdomain, IPPROTO_MOBILE, PR_ATOMIC|PR_ADDR|PR_LASTHDR, encap4_input, 0, 0, rip_ctloutput, 0, encap_init, 0, 0, 0, &rip_usrreqs }, { SOCK_RAW, &inetdomain, IPPROTO_GRE, PR_ATOMIC|PR_ADDR|PR_LASTHDR, encap4_input, 0, 0, rip_ctloutput, 0, encap_init, 0, 0, 0, &rip_usrreqs }, # ifdef INET6 { SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR|PR_LASTHDR, encap4_input, 0, 0, rip_ctloutput, 0, encap_init, 0, 0, 0, &rip_usrreqs }, #endif #ifdef IPDIVERT { SOCK_RAW, &inetdomain, IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR, div_input, 0, 0, ip_ctloutput, 0, div_init, 0, 0, 0, &div_usrreqs, }, #endif #ifdef IPXIP { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, ipxip_input, 0, ipxip_ctlinput, 0, 0, 0, 0, 0, 0, &rip_usrreqs }, #endif #ifdef NSIP { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR|PR_LASTHDR, idpip_input, 0, nsip_ctlinput, 0, 0, 0, 0, 0, 0, &rip_usrreqs }, #endif /* raw wildcard */ { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR, rip_input, 0, 0, rip_ctloutput, 0, rip_init, 0, 0, 0, &rip_usrreqs }, }; extern int in_inithead(void **, int); struct domain inetdomain = { AF_INET, "internet", 0, 0, 0, inetsw, &inetsw[sizeof(inetsw)/sizeof(inetsw[0])], 0, in_inithead, 32, sizeof(struct sockaddr_in) }; DOMAIN_SET(inet); SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0, "Internet Family"); SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP"); SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP"); SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP"); SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP"); SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP"); #ifdef IPSEC SYSCTL_NODE(_net_inet, IPPROTO_AH, ipsec, CTLFLAG_RW, 0, "IPSEC"); #endif /* IPSEC */ SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW"); #ifdef IPDIVERT SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, divert, CTLFLAG_RW, 0, "DIVERT"); #endif