diff options
Diffstat (limited to 'sys/netinet/in_proto.c')
| -rw-r--r-- | sys/netinet/in_proto.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/sys/netinet/in_proto.c b/sys/netinet/in_proto.c new file mode 100644 index 0000000..02e6313 --- /dev/null +++ b/sys/netinet/in_proto.c @@ -0,0 +1,255 @@ +/* + * 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 <sys/param.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/domain.h> +#include <sys/protosw.h> +#include <sys/queue.h> +#include <sys/sysctl.h> + +#include <net/if.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/igmp_var.h> +#include <netinet/tcp.h> +#include <netinet/tcp_timer.h> +#include <netinet/tcp_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> +#include <netinet/ip_encap.h> + +#include <netinet/ipprotosw.h> + +/* + * TCP/IP protocol family: IP, ICMP, UDP, TCP. + */ + +#ifdef IPSEC +#include <netinet6/ipsec.h> +#include <netinet6/ah.h> +#ifdef IPSEC_ESP +#include <netinet6/esp.h> +#endif +#endif /* IPSEC */ + +#include "gif.h" +#if NGIF > 0 +#include <netinet/in_gif.h> +#endif + +#include "stf.h" +#if NSTF > 0 +#include <net/if_stf.h> +#endif + +#ifdef IPXIP +#include <netipx/ipx_ip.h> +#endif + +#ifdef NSIP +#include <netns/ns.h> +#include <netns/ns_if.h> +#endif + +extern struct domain inetdomain; +static struct pr_usrreqs nousrreqs; + +struct ipprotosw 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, + icmp_input, 0, 0, rip_ctloutput, + 0, + 0, 0, 0, 0, + &rip_usrreqs +}, +{ SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR, + 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, + 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 +#endif /* IPSEC */ +{ SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR, + encap4_input, 0, 0, rip_ctloutput, + 0, + encap_init, 0, 0, 0, + &nousrreqs +}, +# ifdef INET6 +{ SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR, + encap4_input, 0, 0, rip_ctloutput, + 0, + 0, 0, 0, 0, + &nousrreqs +}, +#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, + 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, + 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 +}, +}; + +#if NGIF > 0 +struct ipprotosw in_gif_protosw = +{ SOCK_RAW, &inetdomain, 0/*IPPROTO_IPV[46]*/, PR_ATOMIC|PR_ADDR, + in_gif_input, rip_output, 0, rip_ctloutput, + 0, + 0, 0, 0, 0, + &rip_usrreqs +}; +#endif /*NGIF*/ + +#if NSTF > 0 +struct ipprotosw in_stf_protosw = +{ SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR, + in_stf_input, rip_output, 0, rip_ctloutput, + 0, + 0, 0, 0, 0, + &rip_usrreqs +}; +#endif /*NSTF*/ + +extern int in_inithead __P((void **, int)); + +struct domain inetdomain = + { AF_INET, "internet", 0, 0, 0, + (struct protosw *)inetsw, + (struct protosw *)&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 + |
