mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
6a800098cc
pr_input() routines prototype is also changed to support IPSEC and IPV6 chained protocol headers. Reviewed by: freebsd-arch, cvs-committers Obtained from: KAME project
254 lines
6.5 KiB
C
254 lines
6.5 KiB
C
/*
|
|
* 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/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
|
|
|
|
#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 */
|
|
#if NGIF > 0
|
|
{ SOCK_RAW, &inetdomain, IPPROTO_IPV4, PR_ATOMIC|PR_ADDR,
|
|
in_gif_input, 0, 0, 0,
|
|
0,
|
|
0, 0, 0, 0,
|
|
&nousrreqs
|
|
},
|
|
# ifdef INET6
|
|
{ SOCK_RAW, &inetdomain, IPPROTO_IPV6, PR_ATOMIC|PR_ADDR,
|
|
in_gif_input, 0, 0, 0,
|
|
0,
|
|
0, 0, 0, 0,
|
|
&nousrreqs
|
|
},
|
|
#endif
|
|
#else /*NGIF*/
|
|
{ SOCK_RAW, &inetdomain, IPPROTO_IPIP, PR_ATOMIC|PR_ADDR,
|
|
ipip_input, 0, 0, rip_ctloutput,
|
|
0,
|
|
0, 0, 0, 0,
|
|
&rip_usrreqs
|
|
},
|
|
#endif /*NGIF*/
|
|
#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 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
|
|
/* EON (ISO CLNL over IP) */
|
|
#ifdef EON
|
|
{ SOCK_RAW, &inetdomain, IPPROTO_EON, 0,
|
|
eoninput, 0, eonctlinput, 0,
|
|
0,
|
|
eonprotoinit, 0, 0, 0,
|
|
},
|
|
#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
|
|
},
|
|
};
|
|
|
|
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, div, CTLFLAG_RW, 0, "DIVERT");
|
|
#endif
|
|
|