Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
| 27 | #if 0 |
| 28 | extern char sunkbd_type; |
| 29 | extern char sunkbd_layout; |
| 30 | #endif |
| 31 | |
| 32 | /* NR_OPEN is now larger and dynamic in recent kernels. */ |
| 33 | #define SUNOS_NR_OPEN 256 |
| 34 | |
| 35 | asmlinkage 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); |
| 226 | out: |
| 227 | return ret; |
| 228 | } |
| 229 | |
| 230 | |