NetBSD/sys/compat/linux/common/linux_socketcall.c

169 lines
6.0 KiB
C

/* $NetBSD: linux_socketcall.c,v 1.23 2001/11/13 02:09:00 lukem 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_socketcall.c,v 1.23 2001/11/13 02:09:00 lukem Exp $");
#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 <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/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>
/* Used on: arm, i386, m68k, mips, ppc, sparc, sparc64 */
/* Not used on: alpha */
/*
* This file contains the linux_socketcall() multiplexer. Arguments
* for the various socket calls are on the user stack. A pointer
* to them is the only thing that is passed. We copyin the arguments
* here so the individual functions can assume they are normal syscalls.
*/
/* The sizes of the arguments. Used for copyin. */
static const int linux_socketcall_argsize[LINUX_MAX_SOCKETCALL+1] = {
-1,
sizeof(struct linux_sys_socket_args), /* 1 */
sizeof(struct linux_sys_bind_args),
sizeof(struct linux_sys_connect_args),
sizeof(struct linux_sys_listen_args),
sizeof(struct linux_sys_accept_args), /* 5 */
sizeof(struct linux_sys_getsockname_args),
sizeof(struct linux_sys_getpeername_args),
sizeof(struct linux_sys_socketpair_args),
sizeof(struct linux_sys_send_args),
sizeof(struct linux_sys_recv_args), /* 10 */
sizeof(struct linux_sys_sendto_args),
sizeof(struct linux_sys_recvfrom_args),
sizeof(struct linux_sys_shutdown_args),
sizeof(struct linux_sys_setsockopt_args),
sizeof(struct linux_sys_getsockopt_args), /* 15 */
sizeof(struct linux_sys_sendmsg_args),
sizeof(struct linux_sys_recvmsg_args), /* 17 */
};
/*
* Entry point to all Linux socket calls. Just check which call to
* make and take appropriate action.
*/
int
linux_sys_socketcall(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct linux_sys_socketcall_args /* {
syscallarg(int) what;
syscallarg(void *) args;
} */ *uap = v;
struct linux_socketcall_dummy_args lda;
int error;
if (SCARG(uap, what) < 0 || SCARG(uap, what) > LINUX_MAX_SOCKETCALL)
return ENOSYS;
if ((error = copyin((caddr_t) SCARG(uap, args), (caddr_t) &lda,
linux_socketcall_argsize[SCARG(uap, what)])))
return error;
switch (SCARG(uap, what)) {
case LINUX_SYS_socket:
return linux_sys_socket(p, (void *)&lda, retval);
case LINUX_SYS_bind:
return linux_sys_bind(p, (void *)&lda, retval);
case LINUX_SYS_connect:
return linux_sys_connect(p, (void *)&lda, retval);
case LINUX_SYS_listen:
return sys_listen(p, (void *)&lda, retval);
case LINUX_SYS_accept:
return linux_sys_accept(p, (void *)&lda, retval);
case LINUX_SYS_getsockname:
return linux_sys_getsockname(p, (void *)&lda, retval);
case LINUX_SYS_getpeername:
return linux_sys_getpeername(p, (void *)&lda, retval);
case LINUX_SYS_socketpair:
return linux_sys_socketpair(p, (void *)&lda, retval);
case LINUX_SYS_send:
return linux_sys_send(p, (void *)&lda, retval);
case LINUX_SYS_recv:
return linux_sys_recv(p, (void *)&lda, retval);
case LINUX_SYS_sendto:
return linux_sys_sendto(p, (void *)&lda, retval);
case LINUX_SYS_recvfrom:
return linux_sys_recvfrom(p, (void *)&lda, retval);
case LINUX_SYS_shutdown:
return sys_shutdown(p, (void *)&lda, retval);
case LINUX_SYS_setsockopt:
return linux_sys_setsockopt(p, (void *)&lda, retval);
case LINUX_SYS_getsockopt:
return linux_sys_getsockopt(p, (void *)&lda, retval);
case LINUX_SYS_sendmsg:
return linux_sys_sendmsg(p, (void *)&lda, retval);
case LINUX_SYS_recvmsg:
return linux_sys_recvmsg(p, (void *)&lda, retval);
default:
return ENOSYS;
}
}