600be45ffc
* when finding an interface, try the real name first before faking eth* * Linux kernel returns ENODEV if the request goes to unknown interface, so do the same here This change makes Linux ICA client work. Patch sent by Zdenek Salvet <salvet@ics.muni.cz> in kern/9169.
685 lines
16 KiB
C
685 lines
16 KiB
C
/* $NetBSD: linux_socket.c,v 1.22 2000/01/12 17:19:11 jdolecek Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Frank van der Linden and Eric Haszlakiewicz.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Functions in multiarch:
|
|
* linux_sys_socketcall : linux_socketcall.c
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/buf.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/tty.h>
|
|
#include <sys/file.h>
|
|
#include <sys/filedesc.h>
|
|
#include <sys/select.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#include <net/if.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/if_types.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/tcp.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/vnode.h>
|
|
#include <sys/device.h>
|
|
#include <sys/protosw.h>
|
|
|
|
#include <sys/syscallargs.h>
|
|
|
|
#include <compat/linux/common/linux_types.h>
|
|
#include <compat/linux/common/linux_util.h>
|
|
#include <compat/linux/common/linux_signal.h>
|
|
#include <compat/linux/common/linux_ioctl.h>
|
|
#include <compat/linux/common/linux_socket.h>
|
|
#include <compat/linux/common/linux_socketcall.h>
|
|
#include <compat/linux/common/linux_sockio.h>
|
|
|
|
#include <compat/linux/linux_syscallargs.h>
|
|
|
|
#ifndef MIN
|
|
#define MIN(a,b) (((a)<(b))?(a):(b))
|
|
#endif
|
|
|
|
/*
|
|
* The calls in this file are entered either via the linux_socketcall()
|
|
* interface or, on the Alpha, as individual syscalls. The
|
|
* linux_socketcall function does any massaging of arguments so that all
|
|
* the calls in here need not think that they are anything other
|
|
* than a normal syscall.
|
|
*/
|
|
|
|
int linux_to_bsd_domain __P((int));
|
|
int linux_to_bsd_sopt_level __P((int));
|
|
int linux_to_bsd_so_sockopt __P((int));
|
|
int linux_to_bsd_ip_sockopt __P((int));
|
|
int linux_to_bsd_tcp_sockopt __P((int));
|
|
int linux_to_bsd_udp_sockopt __P((int));
|
|
int linux_getifhwaddr __P((struct proc *, register_t *, u_int, void *));
|
|
|
|
/*
|
|
* Convert between Linux and BSD socket domain values
|
|
*/
|
|
int
|
|
linux_to_bsd_domain(ldom)
|
|
int ldom;
|
|
{
|
|
|
|
switch (ldom) {
|
|
case LINUX_AF_UNSPEC:
|
|
return AF_UNSPEC;
|
|
case LINUX_AF_UNIX:
|
|
return AF_LOCAL;
|
|
case LINUX_AF_INET:
|
|
return AF_INET;
|
|
case LINUX_AF_AX25:
|
|
return AF_CCITT;
|
|
case LINUX_AF_IPX:
|
|
return AF_IPX;
|
|
case LINUX_AF_APPLETALK:
|
|
return AF_APPLETALK;
|
|
case LINUX_AF_X25:
|
|
return AF_CCITT;
|
|
case LINUX_AF_INET6:
|
|
return AF_INET6;
|
|
case LINUX_AF_DECnet:
|
|
return AF_DECnet;
|
|
case LINUX_AF_NETLINK:
|
|
return AF_ROUTE;
|
|
/* NETROM, BRIDGE, ATMPVC, ROSE, NETBEUI, SECURITY, */
|
|
/* pseudo_AF_KEY, PACKET, ASH, ECONET, ATMSVC, SNA */
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int
|
|
linux_sys_socket(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct linux_sys_socket_args /* {
|
|
syscallarg(int) domain;
|
|
syscallarg(int) type;
|
|
syscallarg(int) protocol;
|
|
} */ *uap = v;
|
|
struct sys_socket_args bsa;
|
|
|
|
SCARG(&bsa, protocol) = SCARG(uap, protocol);
|
|
SCARG(&bsa, type) = SCARG(uap, type);
|
|
SCARG(&bsa, domain) = linux_to_bsd_domain(SCARG(uap, domain));
|
|
if (SCARG(&bsa, domain) == -1)
|
|
return EINVAL;
|
|
return sys_socket(p, &bsa, retval);
|
|
}
|
|
|
|
int
|
|
linux_sys_socketpair(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct linux_sys_socketpair_args /* {
|
|
syscallarg(int) domain;
|
|
syscallarg(int) type;
|
|
syscallarg(int) protocol;
|
|
syscallarg(int *) rsv;
|
|
} */ *uap = v;
|
|
struct sys_socketpair_args bsa;
|
|
|
|
SCARG(&bsa, domain) = linux_to_bsd_domain(SCARG(uap, domain));
|
|
if (SCARG(&bsa, domain) == -1)
|
|
return EINVAL;
|
|
SCARG(&bsa, type) = SCARG(uap, type);
|
|
SCARG(&bsa, protocol) = SCARG(uap, protocol);
|
|
SCARG(&bsa, rsv) = SCARG(uap, rsv);
|
|
|
|
return sys_socketpair(p, &bsa, retval);
|
|
}
|
|
|
|
int
|
|
linux_sys_sendto(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct linux_sys_sendto_args /* {
|
|
syscallarg(int) s;
|
|
syscallarg(void *) msg;
|
|
syscallarg(int) len;
|
|
syscallarg(int) flags;
|
|
syscallarg(sockaddr *) to;
|
|
syscallarg(int) tolen;
|
|
} */ *uap = v;
|
|
struct sys_sendto_args bsa;
|
|
|
|
SCARG(&bsa, s) = SCARG(uap, s);
|
|
SCARG(&bsa, buf) = SCARG(uap, msg);
|
|
SCARG(&bsa, len) = SCARG(uap, len);
|
|
SCARG(&bsa, flags) = SCARG(uap, flags);
|
|
SCARG(&bsa, to) = (void *) SCARG(uap, to);
|
|
SCARG(&bsa, tolen) = SCARG(uap, tolen);
|
|
|
|
return sys_sendto(p, &bsa, retval);
|
|
}
|
|
|
|
int
|
|
linux_sys_recvfrom(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct linux_sys_recvfrom_args /* {
|
|
syscallarg(int) s;
|
|
syscallarg(void *) buf;
|
|
syscallarg(int) len;
|
|
syscallarg(int) flags;
|
|
syscallarg(struct sockaddr *) from;
|
|
syscallarg(int *) fromlen;
|
|
} */ *uap = v;
|
|
struct compat_43_sys_recvfrom_args bra;
|
|
|
|
SCARG(&bra, s) = SCARG(uap, s);
|
|
SCARG(&bra, buf) = SCARG(uap, buf);
|
|
SCARG(&bra, len) = SCARG(uap, len);
|
|
SCARG(&bra, flags) = SCARG(uap, flags);
|
|
SCARG(&bra, from) = (caddr_t) SCARG(uap, from);
|
|
SCARG(&bra, fromlenaddr) = SCARG(uap, fromlen);
|
|
|
|
return compat_43_sys_recvfrom(p, &bra, retval);
|
|
}
|
|
|
|
/*
|
|
* Convert socket option level from Linux to NetBSD value. Only SOL_SOCKET
|
|
* is different, the rest matches IPPROTO_* on both systems.
|
|
*/
|
|
int
|
|
linux_to_bsd_sopt_level(llevel)
|
|
int llevel;
|
|
{
|
|
|
|
switch (llevel) {
|
|
case LINUX_SOL_SOCKET:
|
|
return SOL_SOCKET;
|
|
case LINUX_SOL_IP:
|
|
return IPPROTO_IP;
|
|
case LINUX_SOL_TCP:
|
|
return IPPROTO_TCP;
|
|
case LINUX_SOL_UDP:
|
|
return IPPROTO_UDP;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Convert Linux socket level socket option numbers to NetBSD values.
|
|
*/
|
|
int
|
|
linux_to_bsd_so_sockopt(lopt)
|
|
int lopt;
|
|
{
|
|
|
|
switch (lopt) {
|
|
case LINUX_SO_DEBUG:
|
|
return SO_DEBUG;
|
|
case LINUX_SO_REUSEADDR:
|
|
return SO_REUSEADDR;
|
|
case LINUX_SO_TYPE:
|
|
return SO_TYPE;
|
|
case LINUX_SO_ERROR:
|
|
return SO_ERROR;
|
|
case LINUX_SO_DONTROUTE:
|
|
return SO_DONTROUTE;
|
|
case LINUX_SO_BROADCAST:
|
|
return SO_BROADCAST;
|
|
case LINUX_SO_SNDBUF:
|
|
return SO_SNDBUF;
|
|
case LINUX_SO_RCVBUF:
|
|
return SO_RCVBUF;
|
|
case LINUX_SO_KEEPALIVE:
|
|
return SO_KEEPALIVE;
|
|
case LINUX_SO_OOBINLINE:
|
|
return SO_OOBINLINE;
|
|
case LINUX_SO_LINGER:
|
|
return SO_LINGER;
|
|
case LINUX_SO_PRIORITY:
|
|
case LINUX_SO_NO_CHECK:
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Convert Linux IP level socket option number to NetBSD values.
|
|
*/
|
|
int
|
|
linux_to_bsd_ip_sockopt(lopt)
|
|
int lopt;
|
|
{
|
|
|
|
switch (lopt) {
|
|
case LINUX_IP_TOS:
|
|
return IP_TOS;
|
|
case LINUX_IP_TTL:
|
|
return IP_TTL;
|
|
case LINUX_IP_MULTICAST_TTL:
|
|
return IP_MULTICAST_TTL;
|
|
case LINUX_IP_MULTICAST_LOOP:
|
|
return IP_MULTICAST_LOOP;
|
|
case LINUX_IP_MULTICAST_IF:
|
|
return IP_MULTICAST_IF;
|
|
case LINUX_IP_ADD_MEMBERSHIP:
|
|
return IP_ADD_MEMBERSHIP;
|
|
case LINUX_IP_DROP_MEMBERSHIP:
|
|
return IP_DROP_MEMBERSHIP;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Convert Linux TCP level socket option number to NetBSD values.
|
|
*/
|
|
int
|
|
linux_to_bsd_tcp_sockopt(lopt)
|
|
int lopt;
|
|
{
|
|
|
|
switch (lopt) {
|
|
case LINUX_TCP_NODELAY:
|
|
return TCP_NODELAY;
|
|
case LINUX_TCP_MAXSEG:
|
|
return TCP_MAXSEG;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Convert Linux UDP level socket option number to NetBSD values.
|
|
*/
|
|
int
|
|
linux_to_bsd_udp_sockopt(lopt)
|
|
int lopt;
|
|
{
|
|
|
|
switch (lopt) {
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Another reasonably straightforward function: setsockopt(2).
|
|
* The level and option numbers are converted; the values passed
|
|
* are not (yet) converted, the ones currently implemented don't
|
|
* need conversion, as they are the same on both systems.
|
|
*/
|
|
int
|
|
linux_sys_setsockopt(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct linux_sys_setsockopt_args /* {
|
|
syscallarg(int) s;
|
|
syscallarg(int) level;
|
|
syscallarg(int) optname;
|
|
syscallarg(void *) optval;
|
|
syscallarg(int) optlen;
|
|
} */ *uap = v;
|
|
struct sys_setsockopt_args bsa;
|
|
int name;
|
|
|
|
SCARG(&bsa, s) = SCARG(uap, s);
|
|
SCARG(&bsa, level) = linux_to_bsd_sopt_level(SCARG(uap, level));
|
|
SCARG(&bsa, val) = SCARG(uap, optval);
|
|
SCARG(&bsa, valsize) = SCARG(uap, optlen);
|
|
|
|
switch (SCARG(&bsa, level)) {
|
|
case SOL_SOCKET:
|
|
name = linux_to_bsd_so_sockopt(SCARG(uap, optname));
|
|
break;
|
|
case IPPROTO_IP:
|
|
name = linux_to_bsd_ip_sockopt(SCARG(uap, optname));
|
|
break;
|
|
case IPPROTO_TCP:
|
|
name = linux_to_bsd_tcp_sockopt(SCARG(uap, optname));
|
|
break;
|
|
case IPPROTO_UDP:
|
|
name = linux_to_bsd_udp_sockopt(SCARG(uap, optname));
|
|
break;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
if (name == -1)
|
|
return EINVAL;
|
|
SCARG(&bsa, name) = name;
|
|
|
|
return sys_setsockopt(p, &bsa, retval);
|
|
}
|
|
|
|
/*
|
|
* getsockopt(2) is very much the same as setsockopt(2) (see above)
|
|
*/
|
|
int
|
|
linux_sys_getsockopt(p, v, retval)
|
|
struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
struct linux_sys_getsockopt_args /* {
|
|
syscallarg(int) s;
|
|
syscallarg(int) level;
|
|
syscallarg(int) optname;
|
|
syscallarg(void *) optval;
|
|
syscallarg(int *) optlen;
|
|
} */ *uap = v;
|
|
struct sys_getsockopt_args bga;
|
|
int name;
|
|
|
|
SCARG(&bga, s) = SCARG(uap, s);
|
|
SCARG(&bga, level) = linux_to_bsd_sopt_level(SCARG(uap, level));
|
|
SCARG(&bga, val) = SCARG(uap, optval);
|
|
SCARG(&bga, avalsize) = SCARG(uap, optlen);
|
|
|
|
switch (SCARG(&bga, level)) {
|
|
case SOL_SOCKET:
|
|
name = linux_to_bsd_so_sockopt(SCARG(uap, optname));
|
|
break;
|
|
case IPPROTO_IP:
|
|
name = linux_to_bsd_ip_sockopt(SCARG(uap, optname));
|
|
break;
|
|
case IPPROTO_TCP:
|
|
name = linux_to_bsd_tcp_sockopt(SCARG(uap, optname));
|
|
break;
|
|
case IPPROTO_UDP:
|
|
name = linux_to_bsd_udp_sockopt(SCARG(uap, optname));
|
|
break;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
if (name == -1)
|
|
return EINVAL;
|
|
SCARG(&bga, name) = name;
|
|
|
|
return sys_getsockopt(p, &bga, retval);
|
|
}
|
|
|
|
#define IF_NAME_LEN 16
|
|
|
|
int
|
|
linux_getifhwaddr(p, retval, fd, data)
|
|
struct proc *p;
|
|
register_t *retval;
|
|
u_int fd;
|
|
void *data;
|
|
{
|
|
/* Not the full structure, just enough to map what we do here */
|
|
struct linux_ifreq {
|
|
char if_name[IF_NAME_LEN];
|
|
struct osockaddr hwaddr;
|
|
} lreq;
|
|
struct filedesc *fdp;
|
|
struct file *fp;
|
|
struct ifaddr *ifa;
|
|
struct ifnet *ifp;
|
|
struct sockaddr_dl *sadl;
|
|
int error, found;
|
|
int index, ifnum;
|
|
|
|
/*
|
|
* We can't emulate this ioctl by calling sys_ioctl() to run
|
|
* SIOCGIFCONF, because the user buffer is not of the right
|
|
* type to take those results. We can't use kernel buffers to
|
|
* receive the results, as the implementation of sys_ioctl()
|
|
* and ifconf() [which implements SIOCGIFCONF] use
|
|
* copyin()/copyout() which will fail on kernel addresses.
|
|
*
|
|
* So, we must duplicate code from sys_ioctl() and ifconf(). Ugh.
|
|
*/
|
|
|
|
fdp = p->p_fd;
|
|
if (fd >= fdp->fd_nfiles ||
|
|
(fp = fdp->fd_ofiles[fd]) == NULL ||
|
|
(fp->f_iflags & FIF_WANTCLOSE) != 0)
|
|
return (EBADF);
|
|
|
|
FILE_USE(fp);
|
|
if ((fp->f_flag & (FREAD | FWRITE)) == 0) {
|
|
error = EBADF;
|
|
goto out;
|
|
}
|
|
|
|
error = copyin(data, (caddr_t)&lreq, sizeof(lreq));
|
|
if (error)
|
|
goto out;
|
|
lreq.if_name[IF_NAME_LEN-1] = '\0'; /* just in case */
|
|
|
|
/*
|
|
* Try real interface name first, then fake "ethX"
|
|
*/
|
|
for (ifp = ifnet.tqh_first, found = 0;
|
|
ifp != 0 && !found;
|
|
ifp = ifp->if_list.tqe_next) {
|
|
if (strcmp(lreq.if_name, ifp->if_xname))
|
|
/* not this interface */
|
|
continue;
|
|
found=1;
|
|
if ((ifa = ifp->if_addrlist.tqh_first) != 0) {
|
|
for (; ifa != 0; ifa = ifa->ifa_list.tqe_next) {
|
|
sadl = (struct sockaddr_dl *)ifa->ifa_addr;
|
|
/* only return ethernet addresses */
|
|
/* XXX what about FDDI, etc. ? */
|
|
if (sadl->sdl_family != AF_LINK ||
|
|
sadl->sdl_type != IFT_ETHER)
|
|
continue;
|
|
memcpy((caddr_t)&lreq.hwaddr.sa_data,
|
|
LLADDR(sadl),
|
|
MIN(sadl->sdl_alen,
|
|
sizeof(lreq.hwaddr.sa_data)));
|
|
lreq.hwaddr.sa_family =
|
|
sadl->sdl_family;
|
|
error = copyout((caddr_t)&lreq, data,
|
|
sizeof(lreq));
|
|
goto out;
|
|
}
|
|
} else {
|
|
error = ENODEV;
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
if (lreq.if_name[0] == 'e' &&
|
|
lreq.if_name[1] == 't' &&
|
|
lreq.if_name[2] == 'h') {
|
|
for (ifnum = 0, index = 3;
|
|
lreq.if_name[index] != '\0' && index < IF_NAME_LEN;
|
|
index++) {
|
|
ifnum *= 10;
|
|
ifnum += lreq.if_name[index] - '0';
|
|
}
|
|
|
|
error = EINVAL; /* in case we don't find one */
|
|
for (ifp = ifnet.tqh_first, found = 0;
|
|
ifp != 0 && !found;
|
|
ifp = ifp->if_list.tqe_next) {
|
|
memcpy(lreq.if_name, ifp->if_xname,
|
|
MIN(IF_NAME_LEN, IFNAMSIZ));
|
|
if ((ifa = ifp->if_addrlist.tqh_first) == 0)
|
|
/* no addresses on this interface */
|
|
continue;
|
|
else
|
|
for (; ifa != 0; ifa = ifa->ifa_list.tqe_next) {
|
|
sadl = (struct sockaddr_dl *)ifa->ifa_addr;
|
|
/* only return ethernet addresses */
|
|
/* XXX what about FDDI, etc. ? */
|
|
if (sadl->sdl_family != AF_LINK ||
|
|
sadl->sdl_type != IFT_ETHER)
|
|
continue;
|
|
if (ifnum--)
|
|
/* not the reqested iface */
|
|
continue;
|
|
memcpy((caddr_t)&lreq.hwaddr.sa_data,
|
|
LLADDR(sadl),
|
|
MIN(sadl->sdl_alen,
|
|
sizeof(lreq.hwaddr.sa_data)));
|
|
lreq.hwaddr.sa_family =
|
|
sadl->sdl_family;
|
|
error = copyout((caddr_t)&lreq, data,
|
|
sizeof(lreq));
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
/* unknown interface, not even an "eth*" name */
|
|
error = ENODEV;
|
|
}
|
|
|
|
out:
|
|
FILE_UNUSE(fp, p);
|
|
return error;
|
|
}
|
|
#undef IF_NAME_LEN 16
|
|
|
|
int
|
|
linux_ioctl_socket(p, uap, retval)
|
|
register struct proc *p;
|
|
register struct linux_sys_ioctl_args /* {
|
|
syscallarg(int) fd;
|
|
syscallarg(u_long) com;
|
|
syscallarg(caddr_t) data;
|
|
} */ *uap;
|
|
register_t *retval;
|
|
{
|
|
u_long com;
|
|
struct sys_ioctl_args ia;
|
|
|
|
com = SCARG(uap, com);
|
|
retval[0] = 0;
|
|
|
|
switch (com) {
|
|
case LINUX_SIOCGIFCONF:
|
|
SCARG(&ia, com) = OSIOCGIFCONF;
|
|
break;
|
|
case LINUX_SIOCGIFFLAGS:
|
|
SCARG(&ia, com) = SIOCGIFFLAGS;
|
|
break;
|
|
case LINUX_SIOCGIFADDR:
|
|
SCARG(&ia, com) = OSIOCGIFADDR;
|
|
break;
|
|
case LINUX_SIOCGIFDSTADDR:
|
|
SCARG(&ia, com) = OSIOCGIFDSTADDR;
|
|
break;
|
|
case LINUX_SIOCGIFBRDADDR:
|
|
SCARG(&ia, com) = OSIOCGIFBRDADDR;
|
|
break;
|
|
case LINUX_SIOCGIFNETMASK:
|
|
SCARG(&ia, com) = OSIOCGIFNETMASK;
|
|
break;
|
|
case LINUX_SIOCADDMULTI:
|
|
SCARG(&ia, com) = SIOCADDMULTI;
|
|
break;
|
|
case LINUX_SIOCDELMULTI:
|
|
SCARG(&ia, com) = SIOCDELMULTI;
|
|
break;
|
|
case LINUX_SIOCGIFHWADDR:
|
|
return linux_getifhwaddr(p, retval, SCARG(uap, fd),
|
|
SCARG(uap, data));
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
SCARG(&ia, fd) = SCARG(uap, fd);
|
|
SCARG(&ia, data) = SCARG(uap, data);
|
|
return sys_ioctl(p, &ia, retval);
|
|
}
|
|
|
|
int
|
|
linux_sys_connect(p, v, retval)
|
|
register struct proc *p;
|
|
void *v;
|
|
register_t *retval;
|
|
{
|
|
int error;
|
|
|
|
register struct sys_connect_args /* {
|
|
syscallarg(int) s;
|
|
syscallarg(const struct sockaddr *) name;
|
|
syscallarg(unsigned int) namelen;
|
|
} */ *uap = v;
|
|
|
|
error = sys_connect (p, v, retval);
|
|
|
|
if (error == EISCONN) {
|
|
struct file *fp;
|
|
register struct socket *so;
|
|
int s, state, prflags;
|
|
|
|
/* getsock() will use the descriptor for us */
|
|
if (getsock(p->p_fd, SCARG(uap, s), &fp) != 0)
|
|
return EISCONN;
|
|
|
|
s = splsoftnet();
|
|
so = (struct socket *)fp->f_data;
|
|
state = so->so_state;
|
|
prflags = so->so_proto->pr_flags;
|
|
splx(s);
|
|
FILE_UNUSE(fp, p);
|
|
/*
|
|
* We should only let this call succeed once per
|
|
* non-blocking connect; however we don't have
|
|
* a convenient place to keep that state..
|
|
*/
|
|
if ((state & SS_NBIO) && (state & SS_ISCONNECTED) &&
|
|
(prflags & PR_CONNREQUIRED))
|
|
return 0;
|
|
}
|
|
|
|
return error;
|
|
}
|