NetBSD/sys/compat/svr4/svr4_sockio.c

/*	$NetBSD: svr4_sockio.c,v 1.5 1995/10/07 06:27:48 mycroft Exp $	 */

/*
 * Copyright (c) 1995 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/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_syscallargs.h>
#include <compat/svr4/svr4_stropts.h>
#include <compat/svr4/svr4_ioctl.h>
#include <compat/svr4/svr4_sockio.h>

static int bsd_to_svr4_flags __P((int));

#define bsd_to_svr4_flag(a) \
	if (bf & __CONCAT(I,a))	sf |= __CONCAT(SVR4_I,a)

static int
bsd_to_svr4_flags(bf)
	int bf;
{
	int sf = 0;
	bsd_to_svr4_flag(FF_UP);
	bsd_to_svr4_flag(FF_BROADCAST);
	bsd_to_svr4_flag(FF_DEBUG);
	bsd_to_svr4_flag(FF_LOOPBACK);
	bsd_to_svr4_flag(FF_POINTOPOINT);
	bsd_to_svr4_flag(FF_NOTRAILERS);
	bsd_to_svr4_flag(FF_RUNNING);
	bsd_to_svr4_flag(FF_NOARP);
	bsd_to_svr4_flag(FF_PROMISC);
	bsd_to_svr4_flag(FF_ALLMULTI);
	bsd_to_svr4_flag(FF_MULTICAST);
	return sf;
}

int
svr4_sockioctl(fp, cmd, data, p, retval)
	struct file *fp;
	u_long cmd;
	caddr_t data;
	struct proc *p;
	register_t *retval;
{
	struct filedesc *fdp = p->p_fd;
	caddr_t sg = stackgap_init(p->p_emul);
	int error;
	int fd;
	int num;
	int (*ctl) __P((struct file *, u_long,  caddr_t, struct proc *)) =
			fp->f_ops->fo_ioctl;

	*retval = 0;

	switch (cmd) {
	case SVR4_SIOCGIFNUM:
		{
			extern int if_index;

			DPRINTF(("SIOCGIFNUM %d\n", if_index));
			return copyout(&if_index, data, sizeof(if_index));
		}

	case SVR4_SIOCGIFFLAGS:
		{
			struct ifreq br;
			struct svr4_ifreq sr;

			if ((error = copyin(data, &sr, sizeof(sr))) != 0)
				return error;

			(void) strcpy(br.ifr_name, sr.svr4_ifr_name);
			if ((error = (*ctl)(fp, SIOCGIFFLAGS, 
					    (caddr_t) &br, p)) != 0)
				return error;

			sr.svr4_ifr_flags = bsd_to_svr4_flags(br.ifr_flags);
			DPRINTF(("SIOCGIFFLAGS %s = %d\n", 
				sr.svr4_ifr_name, sr.svr4_ifr_flags));
			return 0;
		}

	case SVR4_SIOCGIFCONF:
		{
			struct svr4_ifconf sc;

			if ((error = copyin(data, &sc, sizeof(sc))) != 0)
				return error;

			if ((error = (*ctl)(fp, OSIOCGIFCONF,
					    (caddr_t) &sc, p)) != 0)
				return error;

			DPRINTF(("SIOCGIFCONF\n"));
			return 0;
		}


	default:
		DPRINTF(("Unknown svr4 sockio %x\n", cmd));
		return 0;	/* ENOSYS really */
	}
}