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/* $OpenBSD: svr4_ioctl.c,v 1.12 2002/11/06 09:57:18 niklas Exp $ */
/* $NetBSD: svr4_ioctl.c,v 1.16 1996/04/11 12:54:41 christos Exp $ */
/*
* Copyright (c) 1994 Christos Zoulas
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/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_syscallargs.h>
#include <compat/svr4/svr4_stropts.h>
#include <compat/svr4/svr4_ioctl.h>
#include <compat/svr4/svr4_jioctl.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(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)
register 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)(struct file *, struct proc *, register_t *,
int, u_long, caddr_t);
int error = 0;
#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 ((fp = fd_getfile(fdp, 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_jIOC:
fun = svr4_jerq_ioctl;
break;
case SVR4_XIOC:
/* We do not support those */
error = EINVAL;
goto out;
default:
DPRINTF(("Unimplemented ioctl %lx\n", cmd));
error = 0; /* XXX: really ENOSYS */
goto out;
}
FREF(fp);
error = (*fun)(fp, p, retval, SCARG(uap, fd), cmd, SCARG(uap, data));
FRELE(fp);
out:
return (error);
}
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