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/* $Id: sunos_ioctl.c,v 1.34 2000/09/03 14:10:56 anton Exp $
* sunos_ioctl.c: The Linux Operating system: SunOS ioctl compatibility.
*
* Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#include <asm/uaccess.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/termios.h>
#include <linux/ioctl.h>
#include <linux/route.h>
#include <linux/sockios.h>
#include <linux/if.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/file.h>
#include <asm/kbio.h>
#if 0
extern char sunkbd_type;
extern char sunkbd_layout;
#endif
/* NR_OPEN is now larger and dynamic in recent kernels. */
#define SUNOS_NR_OPEN 256
extern asmlinkage int sys_ioctl(unsigned int, unsigned int, unsigned long);
extern asmlinkage int sys_setsid(void);
asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg)
{
int ret = -EBADF;
if (fd >= SUNOS_NR_OPEN || !fcheck(fd))
goto out;
/* First handle an easy compat. case for tty ldisc. */
if(cmd == TIOCSETD) {
int *p, ntty = N_TTY, tmp;
mm_segment_t oldfs;
p = (int *) arg;
ret = -EFAULT;
if(get_user(tmp, p))
goto out;
if(tmp == 2) {
oldfs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, cmd, (int) &ntty);
set_fs(oldfs);
ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
goto out;
}
}
/* Binary compatibility is good American knowhow fuckin' up. */
if(cmd == TIOCNOTTY) {
ret = sys_setsid();
goto out;
}
/* SunOS networking ioctls. */
switch (cmd) {
case _IOW('r', 10, struct rtentry):
ret = sys_ioctl(fd, SIOCADDRT, arg);
goto out;
case _IOW('r', 11, struct rtentry):
ret = sys_ioctl(fd, SIOCDELRT, arg);
goto out;
case _IOW('i', 12, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFADDR, arg);
goto out;
case _IOWR('i', 13, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFADDR, arg);
goto out;
case _IOW('i', 14, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFDSTADDR, arg);
goto out;
case _IOWR('i', 15, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFDSTADDR, arg);
goto out;
case _IOW('i', 16, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFFLAGS, arg);
goto out;
case _IOWR('i', 17, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFFLAGS, arg);
goto out;
case _IOW('i', 18, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFMEM, arg);
goto out;
case _IOWR('i', 19, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFMEM, arg);
goto out;
case _IOWR('i', 20, struct ifconf):
ret = sys_ioctl(fd, SIOCGIFCONF, arg);
goto out;
case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */
ret = sys_ioctl(fd, SIOCSIFMTU, arg);
goto out;
case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */
ret = sys_ioctl(fd, SIOCGIFMTU, arg);
goto out;
case _IOWR('i', 23, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFBRDADDR, arg);
goto out;
case _IOW('i', 24, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFBRDADDR, arg);
goto out;
case _IOWR('i', 25, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFNETMASK, arg);
goto out;
case _IOW('i', 26, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFNETMASK, arg);
goto out;
case _IOWR('i', 27, struct ifreq):
ret = sys_ioctl(fd, SIOCGIFMETRIC, arg);
goto out;
case _IOW('i', 28, struct ifreq):
ret = sys_ioctl(fd, SIOCSIFMETRIC, arg);
goto out;
case _IOW('i', 30, struct arpreq):
ret = sys_ioctl(fd, SIOCSARP, arg);
goto out;
case _IOWR('i', 31, struct arpreq):
ret = sys_ioctl(fd, SIOCGARP, arg);
goto out;
case _IOW('i', 32, struct arpreq):
ret = sys_ioctl(fd, SIOCDARP, arg);
goto out;
case _IOW('i', 40, struct ifreq): /* SIOCUPPER */
case _IOW('i', 41, struct ifreq): /* SIOCLOWER */
case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */
case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */
case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */
case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */
case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */
ret = -EOPNOTSUPP;
goto out;
case _IOW('i', 49, struct ifreq):
ret = sys_ioctl(fd, SIOCADDMULTI, arg);
goto out;
case _IOW('i', 50, struct ifreq):
ret = sys_ioctl(fd, SIOCDELMULTI, arg);
goto out;
/* FDDI interface ioctls, unsupported. */
case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */
case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */
case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */
case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */
case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */
case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */
case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */
case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */
case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */
printk("FDDI ioctl, returning EOPNOTSUPP\n");
ret = -EOPNOTSUPP;
goto out;
case _IOW('t', 125, int):
/* More stupid tty sunos ioctls, just
* say it worked.
*/
ret = 0;
goto out;
/* Non posix grp */
case _IOW('t', 118, int): {
int oldval, newval, *ptr;
cmd = TIOCSPGRP;
ptr = (int *) arg;
ret = -EFAULT;
if(get_user(oldval, ptr))
goto out;
ret = sys_ioctl(fd, cmd, arg);
__get_user(newval, ptr);
if(newval == -1) {
__put_user(oldval, ptr);
ret = -EIO;
}
if(ret == -ENOTTY)
ret = -EIO;
goto out;
}
case _IOR('t', 119, int): {
int oldval, newval, *ptr;
cmd = TIOCGPGRP;
ptr = (int *) arg;
ret = -EFAULT;
if(get_user(oldval, ptr))
goto out;
ret = sys_ioctl(fd, cmd, arg);
__get_user(newval, ptr);
if(newval == -1) {
__put_user(oldval, ptr);
ret = -EIO;
}
if(ret == -ENOTTY)
ret = -EIO;
goto out;
}
}
#if 0
if ((cmd & 0xff00) == ('k' << 8)) {
printk ("[[KBIO: %8.8x\n", (unsigned int) cmd);
}
#endif
ret = sys_ioctl(fd, cmd, arg);
/* so stupid... */
ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
out:
return ret;
}
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