1 /* $NetBSD: svr4_32_net.c,v 1.11 2004/11/30 04:25:43 christos Exp $ */
2
3 /*-
4 * Copyright (c) 1994 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Emulate /dev/{udp,tcp,...}
41 */
42
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: svr4_32_net.c,v 1.11 2004/11/30 04:25:43 christos Exp $");
45
46 #define COMPAT_SVR4 1
47
48 #include <sys/param.h>
49 #include <sys/kernel.h>
50 #include <sys/systm.h>
51 #include <sys/buf.h>
52 #include <sys/malloc.h>
53 #include <sys/ioctl.h>
54 #include <sys/tty.h>
55 #include <sys/file.h>
56 #include <sys/filedesc.h>
57 #include <sys/fcntl.h>
58 #include <sys/select.h>
59 #include <sys/socket.h>
60 #include <sys/socketvar.h>
61 #include <sys/protosw.h>
62 #include <sys/domain.h>
63 #include <net/if.h>
64 #include <netinet/in.h>
65 #include <sys/proc.h>
66 #include <sys/vnode.h>
67 #include <sys/device.h>
68 #include <sys/conf.h>
69 #include <sys/mount.h>
70
71 #include <sys/sa.h>
72 #include <sys/syscallargs.h>
73
74 #include <compat/svr4_32/svr4_32_types.h>
75 #include <compat/svr4_32/svr4_32_util.h>
76 #include <compat/svr4_32/svr4_32_signal.h>
77 #include <compat/svr4_32/svr4_32_lwp.h>
78 #include <compat/svr4_32/svr4_32_ucontext.h>
79 #include <compat/svr4_32/svr4_32_syscallargs.h>
80 #include <compat/svr4_32/svr4_32_ioctl.h>
81 #include <compat/svr4_32/svr4_32_stropts.h>
82 #include <compat/svr4_32/svr4_32_socket.h>
83
84 /*
85 * Device minor numbers
86 */
87 enum {
88 dev_ptm = 10,
89 dev_arp = 26,
90 dev_icmp = 27,
91 dev_ip = 28,
92 dev_tcp = 35,
93 dev_udp = 36,
94 dev_rawip = 37,
95 dev_unix_dgram = 38,
96 dev_unix_stream = 39,
97 dev_unix_ord_stream = 40
98 };
99
100 int svr4_32_netattach __P((int));
101
102 int svr4_soo_close __P((struct file *, struct proc *));
103 int svr4_ptm_alloc __P((struct proc *));
104
105 static const struct fileops svr4_32_netops = {
106 soo_read, soo_write, soo_ioctl, soo_fcntl, soo_poll,
107 soo_stat, svr4_soo_close
108 };
109
110
111 /*
112 * Used by new config, but we don't need it.
113 */
114 int
115 svr4_32_netattach(n)
116 int n;
117 {
118 return 0;
119 }
120
121 struct svr4_strm *
122 svr4_32_stream_get(fp)
123 struct file *fp;
124 {
125 struct socket *so;
126 struct svr4_strm *st;
127
128 if (fp == NULL || fp->f_type != DTYPE_SOCKET)
129 return NULL;
130
131 so = (struct socket *) fp->f_data;
132
133 if (so->so_internal)
134 return so->so_internal;
135
136 /* Allocate a new one. */
137 fp->f_ops = &svr4_32_netops;
138 st = malloc(sizeof(struct svr4_strm), M_NETADDR, M_WAITOK);
139 st->s_family = so->so_proto->pr_domain->dom_family;
140 st->s_cmd = ~0;
141 st->s_afd = -1;
142 st->s_eventmask = 0;
143 so->so_internal = st;
144
145 return st;
146 }
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