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/* $OpenBSD: svr4_sockio.c,v 1.10 2006/03/05 21:48:56 miod Exp $ */
/* $NetBSD: svr4_sockio.c,v 1.10 1996/05/03 17:09:15 christos 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/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(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_sock_ioctl(fp, p, retval, fd, cmd, data)
struct file *fp;
struct proc *p;
register_t *retval;
int fd;
u_long cmd;
caddr_t data;
{
int error;
int (*ctl)(struct file *, u_long, caddr_t, struct proc *) =
fp->f_ops->fo_ioctl;
*retval = 0;
switch (cmd) {
case SVR4_SIOCGIFNUM:
{
struct ifnet *ifp;
struct ifaddr *ifa;
int ifnum = 0;
/*
* This does not return the number of physical
* interfaces (if_index), but the number of interfaces
* + addresses like ifconf() does, because this number
* is used by code that will call SVR4_SIOCGIFCONF to
* find the space needed for SVR4_SIOCGIFCONF. So we
* count the number of ifreq entries that the next
* SVR4_SIOCGIFCONF will return. Maybe a more correct
* fix is to make SVR4_SIOCGIFCONF return only one
* entry per physical interface?
*/
TAILQ_FOREACH(ifp, &ifnet, if_list)
if (TAILQ_EMPTY(&ifp->if_addrlist))
ifnum++;
else
TAILQ_FOREACH(ifa, &ifp->if_addrlist,
ifa_list)
ifnum++;
DPRINTF(("SIOCGIFNUM %d\n", ifnum));
return copyout(&ifnum, data, sizeof(ifnum));
}
case SVR4_SIOCGIFFLAGS:
{
struct ifreq br;
struct svr4_ifreq sr;
if ((error = copyin(data, &sr, sizeof(sr))) != 0)
return error;
(void) strlcpy(br.ifr_name, sr.svr4_ifr_name,
sizeof(br.ifr_name));
if ((error = (*ctl)(fp, SIOCGIFFLAGS,
(caddr_t) &br, p)) != 0) {
DPRINTF(("SIOCGIFFLAGS %s: error %d\n",
sr.svr4_ifr_name, error));
return error;
}
sr.svr4_ifr_flags = bsd_to_svr4_flags(br.ifr_flags);
DPRINTF(("SIOCGIFFLAGS %s = %x\n",
sr.svr4_ifr_name, sr.svr4_ifr_flags));
return copyout(&sr, data, sizeof(sr));
}
case SVR4_SIOCGIFCONF:
{
struct svr4_ifconf sc;
if ((error = copyin(data, &sc, sizeof(sc))) != 0)
return error;
DPRINTF(("ifreq %d svr4_ifreq %d ifc_len %d\n",
sizeof(struct ifreq), sizeof(struct svr4_ifreq),
sc.svr4_ifc_len));
if ((error = (*ctl)(fp, OSIOCGIFCONF,
(caddr_t) &sc, p)) != 0)
return error;
DPRINTF(("SIOCGIFCONF\n"));
return 0;
}
default:
DPRINTF(("Unknown svr4 sockio %lx\n", cmd));
return 0; /* ENOSYS really */
}
}
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