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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: sunos_ioctl.c,v 1.34 2000/09/03 14:10:56 anton Exp $
2 * sunos_ioctl.c: The Linux Operating system: SunOS ioctl compatibility.
3 *
4 * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 */
7
8#include <asm/uaccess.h>
9
10#include <linux/sched.h>
11#include <linux/errno.h>
12#include <linux/string.h>
13#include <linux/termios.h>
14#include <linux/ioctl.h>
15#include <linux/route.h>
16#include <linux/sockios.h>
17#include <linux/if.h>
18#include <linux/netdevice.h>
19#include <linux/if_arp.h>
20#include <linux/fs.h>
21#include <linux/mm.h>
22#include <linux/smp.h>
23#include <linux/smp_lock.h>
24#include <linux/syscalls.h>
25#include <linux/file.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026
27#if 0
28extern char sunkbd_type;
29extern char sunkbd_layout;
30#endif
31
32/* NR_OPEN is now larger and dynamic in recent kernels. */
33#define SUNOS_NR_OPEN 256
34
35asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg)
36{
37 int ret = -EBADF;
38
39 if (fd >= SUNOS_NR_OPEN || !fcheck(fd))
40 goto out;
41
42 /* First handle an easy compat. case for tty ldisc. */
43 if (cmd == TIOCSETD) {
44 int __user *p;
45 int ntty = N_TTY, tmp;
46 mm_segment_t oldfs;
47
48 p = (int __user *) arg;
49 ret = -EFAULT;
50 if (get_user(tmp, p))
51 goto out;
52 if (tmp == 2) {
53 oldfs = get_fs();
54 set_fs(KERNEL_DS);
55 ret = sys_ioctl(fd, cmd, (unsigned long) &ntty);
56 set_fs(oldfs);
57 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
58 goto out;
59 }
60 }
61
62 /* Binary compatibility is good American knowhow fuckin' up. */
63 if (cmd == TIOCNOTTY) {
64 ret = sys_setsid();
65 goto out;
66 }
67
68 /* SunOS networking ioctls. */
69 switch (cmd) {
70 case _IOW('r', 10, struct rtentry):
71 ret = sys_ioctl(fd, SIOCADDRT, arg);
72 goto out;
73 case _IOW('r', 11, struct rtentry):
74 ret = sys_ioctl(fd, SIOCDELRT, arg);
75 goto out;
76 case _IOW('i', 12, struct ifreq):
77 ret = sys_ioctl(fd, SIOCSIFADDR, arg);
78 goto out;
79 case _IOWR('i', 13, struct ifreq):
80 ret = sys_ioctl(fd, SIOCGIFADDR, arg);
81 goto out;
82 case _IOW('i', 14, struct ifreq):
83 ret = sys_ioctl(fd, SIOCSIFDSTADDR, arg);
84 goto out;
85 case _IOWR('i', 15, struct ifreq):
86 ret = sys_ioctl(fd, SIOCGIFDSTADDR, arg);
87 goto out;
88 case _IOW('i', 16, struct ifreq):
89 ret = sys_ioctl(fd, SIOCSIFFLAGS, arg);
90 goto out;
91 case _IOWR('i', 17, struct ifreq):
92 ret = sys_ioctl(fd, SIOCGIFFLAGS, arg);
93 goto out;
94 case _IOW('i', 18, struct ifreq):
95 ret = sys_ioctl(fd, SIOCSIFMEM, arg);
96 goto out;
97 case _IOWR('i', 19, struct ifreq):
98 ret = sys_ioctl(fd, SIOCGIFMEM, arg);
99 goto out;
100 case _IOWR('i', 20, struct ifconf):
101 ret = sys_ioctl(fd, SIOCGIFCONF, arg);
102 goto out;
103 case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */
104 ret = sys_ioctl(fd, SIOCSIFMTU, arg);
105 goto out;
106 case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */
107 ret = sys_ioctl(fd, SIOCGIFMTU, arg);
108 goto out;
109
110 case _IOWR('i', 23, struct ifreq):
111 ret = sys_ioctl(fd, SIOCGIFBRDADDR, arg);
112 goto out;
113 case _IOW('i', 24, struct ifreq):
114 ret = sys_ioctl(fd, SIOCSIFBRDADDR, arg);
115 goto out;
116 case _IOWR('i', 25, struct ifreq):
117 ret = sys_ioctl(fd, SIOCGIFNETMASK, arg);
118 goto out;
119 case _IOW('i', 26, struct ifreq):
120 ret = sys_ioctl(fd, SIOCSIFNETMASK, arg);
121 goto out;
122 case _IOWR('i', 27, struct ifreq):
123 ret = sys_ioctl(fd, SIOCGIFMETRIC, arg);
124 goto out;
125 case _IOW('i', 28, struct ifreq):
126 ret = sys_ioctl(fd, SIOCSIFMETRIC, arg);
127 goto out;
128
129 case _IOW('i', 30, struct arpreq):
130 ret = sys_ioctl(fd, SIOCSARP, arg);
131 goto out;
132 case _IOWR('i', 31, struct arpreq):
133 ret = sys_ioctl(fd, SIOCGARP, arg);
134 goto out;
135 case _IOW('i', 32, struct arpreq):
136 ret = sys_ioctl(fd, SIOCDARP, arg);
137 goto out;
138
139 case _IOW('i', 40, struct ifreq): /* SIOCUPPER */
140 case _IOW('i', 41, struct ifreq): /* SIOCLOWER */
141 case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */
142 case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */
143 case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */
144 case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */
145 case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */
146 ret = -EOPNOTSUPP;
147 goto out;
148
149 case _IOW('i', 49, struct ifreq):
150 ret = sys_ioctl(fd, SIOCADDMULTI, arg);
151 goto out;
152 case _IOW('i', 50, struct ifreq):
153 ret = sys_ioctl(fd, SIOCDELMULTI, arg);
154 goto out;
155
156 /* FDDI interface ioctls, unsupported. */
157
158 case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */
159 case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */
160 case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */
161 case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */
162 case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */
163 case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */
164 case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */
165 case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */
166 case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */
167 printk("FDDI ioctl, returning EOPNOTSUPP\n");
168 ret = -EOPNOTSUPP;
169 goto out;
170
171 case _IOW('t', 125, int):
172 /* More stupid tty sunos ioctls, just
173 * say it worked.
174 */
175 ret = 0;
176 goto out;
177 /* Non posix grp */
178 case _IOW('t', 118, int): {
179 int oldval, newval, __user *ptr;
180
181 cmd = TIOCSPGRP;
182 ptr = (int __user *) arg;
183 ret = -EFAULT;
184 if (get_user(oldval, ptr))
185 goto out;
186 ret = sys_ioctl(fd, cmd, arg);
187 __get_user(newval, ptr);
188 if (newval == -1) {
189 __put_user(oldval, ptr);
190 ret = -EIO;
191 }
192 if (ret == -ENOTTY)
193 ret = -EIO;
194 goto out;
195 }
196
197 case _IOR('t', 119, int): {
198 int oldval, newval, __user *ptr;
199
200 cmd = TIOCGPGRP;
201 ptr = (int __user *) arg;
202 ret = -EFAULT;
203 if (get_user(oldval, ptr))
204 goto out;
205 ret = sys_ioctl(fd, cmd, arg);
206 __get_user(newval, ptr);
207 if (newval == -1) {
208 __put_user(oldval, ptr);
209 ret = -EIO;
210 }
211 if (ret == -ENOTTY)
212 ret = -EIO;
213 goto out;
214 }
215 }
216
217#if 0
218 if ((cmd & 0xff00) == ('k' << 8)) {
219 printk ("[[KBIO: %8.8x\n", (unsigned int) cmd);
220 }
221#endif
222
223 ret = sys_ioctl(fd, cmd, arg);
224 /* so stupid... */
225 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
226out:
227 return ret;
228}
229
230