1 /* $OpenBSD: svr4_sockio.c,v 1.10 2006/03/05 21:48:56 miod Exp $ */
2 /* $NetBSD: svr4_sockio.c,v 1.10 1996/05/03 17:09:15 christos Exp $ */
3
4 /*
5 * Copyright (c) 1995 Christos Zoulas
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/param.h>
32 #include <sys/proc.h>
33 #include <sys/systm.h>
34 #include <sys/file.h>
35 #include <sys/filedesc.h>
36 #include <sys/ioctl.h>
37 #include <sys/termios.h>
38 #include <sys/tty.h>
39 #include <sys/socket.h>
40 #include <sys/mount.h>
41 #include <net/if.h>
42 #include <sys/malloc.h>
43
44 #include <sys/syscallargs.h>
45
46 #include <compat/svr4/svr4_types.h>
47 #include <compat/svr4/svr4_util.h>
48 #include <compat/svr4/svr4_signal.h>
49 #include <compat/svr4/svr4_syscallargs.h>
50 #include <compat/svr4/svr4_stropts.h>
51 #include <compat/svr4/svr4_ioctl.h>
52 #include <compat/svr4/svr4_sockio.h>
53
54 static int bsd_to_svr4_flags(int);
55
56 #define bsd_to_svr4_flag(a) \
57 if (bf & __CONCAT(I,a)) sf |= __CONCAT(SVR4_I,a)
58
59 static int
60 bsd_to_svr4_flags(bf)
61 int bf;
62 {
63 int sf = 0;
64 bsd_to_svr4_flag(FF_UP);
65 bsd_to_svr4_flag(FF_BROADCAST);
66 bsd_to_svr4_flag(FF_DEBUG);
67 bsd_to_svr4_flag(FF_LOOPBACK);
68 bsd_to_svr4_flag(FF_POINTOPOINT);
69 bsd_to_svr4_flag(FF_NOTRAILERS);
70 bsd_to_svr4_flag(FF_RUNNING);
71 bsd_to_svr4_flag(FF_NOARP);
72 bsd_to_svr4_flag(FF_PROMISC);
73 bsd_to_svr4_flag(FF_ALLMULTI);
74 bsd_to_svr4_flag(FF_MULTICAST);
75 return sf;
76 }
77
78 int
79 svr4_sock_ioctl(fp, p, retval, fd, cmd, data)
80 struct file *fp;
81 struct proc *p;
82 register_t *retval;
83 int fd;
84 u_long cmd;
85 caddr_t data;
86 {
87 int error;
88 int (*ctl)(struct file *, u_long, caddr_t, struct proc *) =
89 fp->f_ops->fo_ioctl;
90
91 *retval = 0;
92
93 switch (cmd) {
94 case SVR4_SIOCGIFNUM:
95 {
96 struct ifnet *ifp;
97 struct ifaddr *ifa;
98 int ifnum = 0;
99
100 /*
101 * This does not return the number of physical
102 * interfaces (if_index), but the number of interfaces
103 * + addresses like ifconf() does, because this number
104 * is used by code that will call SVR4_SIOCGIFCONF to
105 * find the space needed for SVR4_SIOCGIFCONF. So we
106 * count the number of ifreq entries that the next
107 * SVR4_SIOCGIFCONF will return. Maybe a more correct
108 * fix is to make SVR4_SIOCGIFCONF return only one
109 * entry per physical interface?
110 */
111
112 TAILQ_FOREACH(ifp, &ifnet, if_list)
113 if (TAILQ_EMPTY(&ifp->if_addrlist))
114 ifnum++;
115 else
116 TAILQ_FOREACH(ifa, &ifp->if_addrlist,
117 ifa_list)
118 ifnum++;
119
120
121 DPRINTF(("SIOCGIFNUM %d\n", ifnum));
122 return copyout(&ifnum, data, sizeof(ifnum));
123 }
124
125 case SVR4_SIOCGIFFLAGS:
126 {
127 struct ifreq br;
128 struct svr4_ifreq sr;
129
130 if ((error = copyin(data, &sr, sizeof(sr))) != 0)
131 return error;
132
133 (void) strlcpy(br.ifr_name, sr.svr4_ifr_name,
134 sizeof(br.ifr_name));
135
136 if ((error = (*ctl)(fp, SIOCGIFFLAGS,
137 (caddr_t) &br, p)) != 0) {
138 DPRINTF(("SIOCGIFFLAGS %s: error %d\n",
139 sr.svr4_ifr_name, error));
140 return error;
141 }
142
143 sr.svr4_ifr_flags = bsd_to_svr4_flags(br.ifr_flags);
144 DPRINTF(("SIOCGIFFLAGS %s = %x\n",
145 sr.svr4_ifr_name, sr.svr4_ifr_flags));
146 return copyout(&sr, data, sizeof(sr));
147 }
148
149 case SVR4_SIOCGIFCONF:
150 {
151 struct svr4_ifconf sc;
152
153 if ((error = copyin(data, &sc, sizeof(sc))) != 0)
154 return error;
155
156 DPRINTF(("ifreq %d svr4_ifreq %d ifc_len %d\n",
157 sizeof(struct ifreq), sizeof(struct svr4_ifreq),
158 sc.svr4_ifc_len));
159
160 if ((error = (*ctl)(fp, OSIOCGIFCONF,
161 (caddr_t) &sc, p)) != 0)
162 return error;
163
164 DPRINTF(("SIOCGIFCONF\n"));
165 return 0;
166 }
167
168
169 default:
170 DPRINTF(("Unknown svr4 sockio %lx\n", cmd));
171 return 0; /* ENOSYS really */
172 }
173 }