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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * Copyright (c) 1982, 1986, 1993
24: * The Regents of the University of California. All rights reserved.
25: *
26: * Redistribution and use in source and binary forms, with or without
27: * modification, are permitted provided that the following conditions
28: * are met:
29: * 1. Redistributions of source code must retain the above copyright
30: * notice, this list of conditions and the following disclaimer.
31: * 2. Redistributions in binary form must reproduce the above copyright
32: * notice, this list of conditions and the following disclaimer in the
33: * documentation and/or other materials provided with the distribution.
34: * 3. All advertising materials mentioning features or use of this software
35: * must display the following acknowledgement:
36: * This product includes software developed by the University of
37: * California, Berkeley and its contributors.
38: * 4. Neither the name of the University nor the names of its contributors
39: * may be used to endorse or promote products derived from this software
40: * without specific prior written permission.
41: *
42: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52: * SUCH DAMAGE.
53: *
54: * @(#)in_proto.c 8.2 (Berkeley) 2/9/95
55: */
56:
57: #if ISFB31
58: #include "opt_ipdivert.h"
59: #include "opt_ipx.h"
60: #endif
61:
62: #include <sys/param.h>
63: #include <sys/kernel.h>
64: #include <sys/socket.h>
65: #include <sys/domain.h>
66: #include <sys/protosw.h>
67:
68:
69: #include <sys/sysctl.h>
70:
71:
72: #include <net/if.h>
73: #include <net/route.h>
74:
75: #include <netinet/in.h>
76: #include <netinet/in_systm.h>
77: #include <netinet/ip.h>
78: #include <netinet/ip_var.h>
79: #include <netinet/ip_icmp.h>
80: #include <netinet/igmp_var.h>
81: #include <netinet/tcp.h>
82: #include <netinet/tcp_timer.h>
83: #include <netinet/tcp_var.h>
84: #include <netinet/tcpip.h>
85: #include <netinet/udp.h>
86: #include <netinet/udp_var.h>
87: /*
88: * TCP/IP protocol family: IP, ICMP, UDP, TCP.
89: */
90:
91: #if IPXIP
92: #include <netipx/ipx_ip.h>
93: #endif
94:
95: #if NSIP
96: #include <netns/ns.h>
97: #include <netns/ns_if.h>
98: #endif
99:
100: extern struct domain inetdomain;
101: static struct pr_usrreqs nousrreqs;
102:
103: struct protosw inetsw[] = {
104: { 0, &inetdomain, 0, 0,
105: 0, 0, 0, 0,
106: 0,
107: ip_init, 0, ip_slowtimo, ip_drain,
108: 0, &nousrreqs
109: },
110: { SOCK_DGRAM, &inetdomain, IPPROTO_UDP, PR_ATOMIC|PR_ADDR,
111: udp_input, 0, udp_ctlinput, ip_ctloutput,
112: 0,
113: udp_init, 0, 0, 0,
114: 0, &udp_usrreqs
115: },
116: { SOCK_STREAM, &inetdomain, IPPROTO_TCP,
117: PR_CONNREQUIRED|PR_IMPLOPCL|PR_WANTRCVD,
118: tcp_input, 0, tcp_ctlinput, tcp_ctloutput,
119: 0,
120: tcp_init, tcp_fasttimo, tcp_slowtimo, tcp_drain,
121: 0, &tcp_usrreqs
122: },
123: { SOCK_RAW, &inetdomain, IPPROTO_RAW, PR_ATOMIC|PR_ADDR,
124: rip_input, 0, rip_ctlinput, rip_ctloutput,
125: 0,
126: 0, 0, 0, 0,
127: 0, &rip_usrreqs
128: },
129: { SOCK_RAW, &inetdomain, IPPROTO_ICMP, PR_ATOMIC|PR_ADDR,
130: icmp_input, 0, 0, rip_ctloutput,
131: 0,
132: 0, 0, 0, 0,
133: 0, &rip_usrreqs
134: },
135: { SOCK_RAW, &inetdomain, IPPROTO_IGMP, PR_ATOMIC|PR_ADDR,
136: igmp_input, 0, 0, rip_ctloutput,
137: 0,
138: igmp_init, igmp_fasttimo, igmp_slowtimo, 0,
139: 0, &rip_usrreqs
140: },
141: { SOCK_RAW, &inetdomain, IPPROTO_RSVP, PR_ATOMIC|PR_ADDR,
142: rsvp_input, 0, 0, rip_ctloutput,
143: 0,
144: 0, 0, 0, 0,
145: 0, &rip_usrreqs
146: },
147: { SOCK_RAW, &inetdomain, IPPROTO_IPIP, PR_ATOMIC|PR_ADDR,
148: ipip_input, 0, 0, rip_ctloutput,
149: 0,
150: 0, 0, 0, 0,
151: 0, &rip_usrreqs
152: },
153: #if IPDIVERT
154: { SOCK_RAW, &inetdomain, IPPROTO_DIVERT, PR_ATOMIC|PR_ADDR,
155: div_input, 0, 0, ip_ctloutput,
156: 0,
157: div_init, 0, 0, 0,
158: 0, &div_usrreqs,
159: },
160: #endif
161: #if TPIP
162: { SOCK_SEQPACKET,&inetdomain, IPPROTO_TP, PR_CONNREQUIRED|PR_WANTRCVD,
163: tpip_input, 0, tpip_ctlinput, tp_ctloutput,
164: 0, tp_usrreq,
165: tp_init, 0, tp_slowtimo, tp_drain,
166: },
167: #endif
168: /* EON (ISO CLNL over IP) */
169: #if EON
170: { SOCK_RAW, &inetdomain, IPPROTO_EON, 0,
171: eoninput, 0, eonctlinput, 0,
172: 0,
173: eonprotoinit, 0, 0, 0,
174: },
175: #endif
176: #if IPXIP
177: { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR,
178: ipxip_input, 0, ipxip_ctlinput, 0,
179: 0,
180: 0, 0, 0, 0,
181: 0, &rip_usrreqs
182: },
183: #endif
184: #if NSIP
185: { SOCK_RAW, &inetdomain, IPPROTO_IDP, PR_ATOMIC|PR_ADDR,
186: idpip_input, 0, nsip_ctlinput, 0,
187: 0,
188: 0, 0, 0, 0,
189: 0, &rip_usrreqs
190: },
191: #endif
192: /* raw wildcard */
193: { SOCK_RAW, &inetdomain, 0, PR_ATOMIC|PR_ADDR,
194: rip_input, 0, 0, rip_ctloutput,
195: 0,
196: rip_init, 0, 0, 0,
197: 0, &rip_usrreqs
198: },
199: };
200:
201: extern int in_inithead __P((void **, int));
202:
203: int in_proto_count = (sizeof (inetsw) / sizeof (struct protosw));
204:
205: extern void in_dinit(void);
206: /* A routing init function, and a header size */
207: struct domain inetdomain =
208: { AF_INET, "internet", in_dinit, 0, 0,
209: inetsw, 0,
210: in_inithead, 32, sizeof(struct sockaddr_in),
211: sizeof(struct tcpiphdr), 0
212: };
213:
214: DOMAIN_SET(inet);
215:
216:
217: SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0,
218: "Internet Family");
219:
220: SYSCTL_NODE(_net_inet, IPPROTO_IP, ip, CTLFLAG_RW, 0, "IP");
221: SYSCTL_NODE(_net_inet, IPPROTO_ICMP, icmp, CTLFLAG_RW, 0, "ICMP");
222: SYSCTL_NODE(_net_inet, IPPROTO_UDP, udp, CTLFLAG_RW, 0, "UDP");
223: SYSCTL_NODE(_net_inet, IPPROTO_TCP, tcp, CTLFLAG_RW, 0, "TCP");
224: SYSCTL_NODE(_net_inet, IPPROTO_IGMP, igmp, CTLFLAG_RW, 0, "IGMP");
225: SYSCTL_NODE(_net_inet, IPPROTO_RAW, raw, CTLFLAG_RW, 0, "RAW");
226: #if IPDIVERT
227: SYSCTL_NODE(_net_inet, IPPROTO_DIVERT, div, CTLFLAG_RW, 0, "DIVERT");
228: #endif
229:
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