1/* $Id: sunos_ioctl.c,v 1.1.1.1 2007/08/03 18:52:17 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/tty.h> 15#include <linux/ioctl.h> 16#include <linux/route.h> 17#include <linux/sockios.h> 18#include <linux/if.h> 19#include <linux/netdevice.h> 20#include <linux/if_arp.h> 21#include <linux/fs.h> 22#include <linux/mm.h> 23#include <linux/smp.h> 24#include <linux/syscalls.h> 25#include <linux/file.h> 26 27 28/* NR_OPEN is now larger and dynamic in recent kernels. */ 29#define SUNOS_NR_OPEN 256 30 31asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg) 32{ 33 int ret = -EBADF; 34 35 if (fd >= SUNOS_NR_OPEN || !fcheck(fd)) 36 goto out; 37 38 /* First handle an easy compat. case for tty ldisc. */ 39 if (cmd == TIOCSETD) { 40 int __user *p; 41 int ntty = N_TTY, tmp; 42 mm_segment_t oldfs; 43 44 p = (int __user *) arg; 45 ret = -EFAULT; 46 if (get_user(tmp, p)) 47 goto out; 48 if (tmp == 2) { 49 oldfs = get_fs(); 50 set_fs(KERNEL_DS); 51 ret = sys_ioctl(fd, cmd, (unsigned long) &ntty); 52 set_fs(oldfs); 53 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); 54 goto out; 55 } 56 } 57 58 /* Binary compatibility is good American knowhow fuckin' up. */ 59 if (cmd == TIOCNOTTY) { 60 ret = sys_setsid(); 61 goto out; 62 } 63 64 /* SunOS networking ioctls. */ 65 switch (cmd) { 66 case _IOW('r', 10, struct rtentry): 67 ret = sys_ioctl(fd, SIOCADDRT, arg); 68 goto out; 69 case _IOW('r', 11, struct rtentry): 70 ret = sys_ioctl(fd, SIOCDELRT, arg); 71 goto out; 72 case _IOW('i', 12, struct ifreq): 73 ret = sys_ioctl(fd, SIOCSIFADDR, arg); 74 goto out; 75 case _IOWR('i', 13, struct ifreq): 76 ret = sys_ioctl(fd, SIOCGIFADDR, arg); 77 goto out; 78 case _IOW('i', 14, struct ifreq): 79 ret = sys_ioctl(fd, SIOCSIFDSTADDR, arg); 80 goto out; 81 case _IOWR('i', 15, struct ifreq): 82 ret = sys_ioctl(fd, SIOCGIFDSTADDR, arg); 83 goto out; 84 case _IOW('i', 16, struct ifreq): 85 ret = sys_ioctl(fd, SIOCSIFFLAGS, arg); 86 goto out; 87 case _IOWR('i', 17, struct ifreq): 88 ret = sys_ioctl(fd, SIOCGIFFLAGS, arg); 89 goto out; 90 case _IOW('i', 18, struct ifreq): 91 ret = sys_ioctl(fd, SIOCSIFMEM, arg); 92 goto out; 93 case _IOWR('i', 19, struct ifreq): 94 ret = sys_ioctl(fd, SIOCGIFMEM, arg); 95 goto out; 96 case _IOWR('i', 20, struct ifconf): 97 ret = sys_ioctl(fd, SIOCGIFCONF, arg); 98 goto out; 99 case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */ 100 ret = sys_ioctl(fd, SIOCSIFMTU, arg); 101 goto out; 102 case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */ 103 ret = sys_ioctl(fd, SIOCGIFMTU, arg); 104 goto out; 105 106 case _IOWR('i', 23, struct ifreq): 107 ret = sys_ioctl(fd, SIOCGIFBRDADDR, arg); 108 goto out; 109 case _IOW('i', 24, struct ifreq): 110 ret = sys_ioctl(fd, SIOCSIFBRDADDR, arg); 111 goto out; 112 case _IOWR('i', 25, struct ifreq): 113 ret = sys_ioctl(fd, SIOCGIFNETMASK, arg); 114 goto out; 115 case _IOW('i', 26, struct ifreq): 116 ret = sys_ioctl(fd, SIOCSIFNETMASK, arg); 117 goto out; 118 case _IOWR('i', 27, struct ifreq): 119 ret = sys_ioctl(fd, SIOCGIFMETRIC, arg); 120 goto out; 121 case _IOW('i', 28, struct ifreq): 122 ret = sys_ioctl(fd, SIOCSIFMETRIC, arg); 123 goto out; 124 125 case _IOW('i', 30, struct arpreq): 126 ret = sys_ioctl(fd, SIOCSARP, arg); 127 goto out; 128 case _IOWR('i', 31, struct arpreq): 129 ret = sys_ioctl(fd, SIOCGARP, arg); 130 goto out; 131 case _IOW('i', 32, struct arpreq): 132 ret = sys_ioctl(fd, SIOCDARP, arg); 133 goto out; 134 135 case _IOW('i', 40, struct ifreq): /* SIOCUPPER */ 136 case _IOW('i', 41, struct ifreq): /* SIOCLOWER */ 137 case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */ 138 case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */ 139 case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */ 140 case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */ 141 case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */ 142 ret = -EOPNOTSUPP; 143 goto out; 144 145 case _IOW('i', 49, struct ifreq): 146 ret = sys_ioctl(fd, SIOCADDMULTI, arg); 147 goto out; 148 case _IOW('i', 50, struct ifreq): 149 ret = sys_ioctl(fd, SIOCDELMULTI, arg); 150 goto out; 151 152 /* FDDI interface ioctls, unsupported. */ 153 154 case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */ 155 case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */ 156 case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */ 157 case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */ 158 case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */ 159 case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */ 160 case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */ 161 case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */ 162 case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */ 163 printk("FDDI ioctl, returning EOPNOTSUPP\n"); 164 ret = -EOPNOTSUPP; 165 goto out; 166 167 case _IOW('t', 125, int): 168 /* More stupid tty sunos ioctls, just 169 * say it worked. 170 */ 171 ret = 0; 172 goto out; 173 /* Non posix grp */ 174 case _IOW('t', 118, int): { 175 int oldval, newval, __user *ptr; 176 177 cmd = TIOCSPGRP; 178 ptr = (int __user *) arg; 179 ret = -EFAULT; 180 if (get_user(oldval, ptr)) 181 goto out; 182 ret = sys_ioctl(fd, cmd, arg); 183 __get_user(newval, ptr); 184 if (newval == -1) { 185 __put_user(oldval, ptr); 186 ret = -EIO; 187 } 188 if (ret == -ENOTTY) 189 ret = -EIO; 190 goto out; 191 } 192 193 case _IOR('t', 119, int): { 194 int oldval, newval, __user *ptr; 195 196 cmd = TIOCGPGRP; 197 ptr = (int __user *) arg; 198 ret = -EFAULT; 199 if (get_user(oldval, ptr)) 200 goto out; 201 ret = sys_ioctl(fd, cmd, arg); 202 __get_user(newval, ptr); 203 if (newval == -1) { 204 __put_user(oldval, ptr); 205 ret = -EIO; 206 } 207 if (ret == -ENOTTY) 208 ret = -EIO; 209 goto out; 210 } 211 } 212 213 214 ret = sys_ioctl(fd, cmd, arg); 215 /* so stupid... */ 216 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); 217out: 218 return ret; 219} 220