160 lines
4.5 KiB
C
160 lines
4.5 KiB
C
/* $NetBSD: svr4_ioctl.c,v 1.20 2000/03/30 11:27:20 augustss Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1994 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/file.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/termios.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/mount.h>
|
|
#include <net/if.h>
|
|
#include <sys/malloc.h>
|
|
|
|
#include <sys/syscallargs.h>
|
|
|
|
#include <compat/svr4/svr4_types.h>
|
|
#include <compat/svr4/svr4_util.h>
|
|
#include <compat/svr4/svr4_signal.h>
|
|
#include <compat/svr4/svr4_lwp.h>
|
|
#include <compat/svr4/svr4_ucontext.h>
|
|
#include <compat/svr4/svr4_syscallargs.h>
|
|
#include <compat/svr4/svr4_stropts.h>
|
|
#include <compat/svr4/svr4_ioctl.h>
|
|
#include <compat/svr4/svr4_termios.h>
|
|
#include <compat/svr4/svr4_ttold.h>
|
|
#include <compat/svr4/svr4_filio.h>
|
|
#include <compat/svr4/svr4_sockio.h>
|
|
|
|
#ifdef DEBUG_SVR4
|
|
static void svr4_decode_cmd __P((u_long, char *, char *, int *, int *));
|
|
/*
|
|
* Decode an ioctl command symbolically
|
|
*/
|
|
static void
|
|
svr4_decode_cmd(cmd, dir, c, num, argsiz)
|
|
u_long cmd;
|
|
char *dir, *c;
|
|
int *num, *argsiz;
|
|
{
|
|
if (cmd & SVR4_IOC_VOID)
|
|
*dir++ = 'V';
|
|
if (cmd & SVR4_IOC_IN)
|
|
*dir++ = 'R';
|
|
if (cmd & SVR4_IOC_OUT)
|
|
*dir++ = 'W';
|
|
*dir = '\0';
|
|
if (cmd & SVR4_IOC_INOUT)
|
|
*argsiz = (cmd >> 16) & 0xff;
|
|
else
|
|
*argsiz = -1;
|
|
|
|
*c = (cmd >> 8) & 0xff;
|
|
*num = cmd & 0xff;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
svr4_sys_ioctl(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct svr4_sys_ioctl_args *uap = v;
|
|
struct file *fp;
|
|
struct filedesc *fdp;
|
|
u_long cmd;
|
|
int (*fun) __P((struct file *, struct proc *, register_t *,
|
|
int, u_long, caddr_t));
|
|
#ifdef DEBUG_SVR4
|
|
char dir[4];
|
|
char c;
|
|
int num;
|
|
int argsiz;
|
|
|
|
svr4_decode_cmd(SCARG(uap, com), dir, &c, &num, &argsiz);
|
|
|
|
uprintf("svr4_ioctl(%d, _IO%s(%c, %d, %d), %p);\n", SCARG(uap, fd),
|
|
dir, c, num, argsiz, SCARG(uap, data));
|
|
#endif
|
|
fdp = p->p_fd;
|
|
cmd = SCARG(uap, com);
|
|
|
|
if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles ||
|
|
(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
|
|
return EBADF;
|
|
|
|
if ((fp->f_flag & (FREAD | FWRITE)) == 0)
|
|
return EBADF;
|
|
|
|
switch (cmd & 0xff00) {
|
|
case SVR4_tIOC:
|
|
fun = svr4_ttold_ioctl;
|
|
break;
|
|
|
|
case SVR4_TIOC:
|
|
fun = svr4_term_ioctl;
|
|
break;
|
|
|
|
case SVR4_STR:
|
|
fun = svr4_stream_ioctl;
|
|
break;
|
|
|
|
case SVR4_FIOC:
|
|
fun = svr4_fil_ioctl;
|
|
break;
|
|
|
|
case SVR4_SIOC:
|
|
fun = svr4_sock_ioctl;
|
|
break;
|
|
|
|
case SVR4_XIOC:
|
|
/* We do not support those */
|
|
return EINVAL;
|
|
|
|
default:
|
|
DPRINTF(("Unimplemented ioctl %lx\n", cmd));
|
|
return 0; /* XXX: really ENOSYS */
|
|
}
|
|
return (*fun)(fp, p, retval, SCARG(uap, fd), cmd, SCARG(uap, data));
|
|
}
|