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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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602 lines
14 KiB
C
602 lines
14 KiB
C
/*-
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* Copyright (c) 1995 Søren Schmidt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: linux_socket.c,v 1.1 1995/06/25 17:32:41 sos Exp $
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*/
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/* XXX we use functions that might not exist. */
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#define COMPAT_43 1
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysproto.h>
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#include <sys/proc.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <netinet/in.h>
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#include <i386/linux/linux.h>
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#include <i386/linux/sysproto.h>
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static int
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linux_to_bsd_domain(int domain)
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{
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switch (domain) {
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case LINUX_AF_UNSPEC:
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return AF_UNSPEC;
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case LINUX_AF_UNIX:
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return AF_LOCAL;
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case LINUX_AF_INET:
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return AF_INET;
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case LINUX_AF_AX25:
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return AF_CCITT;
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case LINUX_AF_IPX:
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return AF_IPX;
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case LINUX_AF_APPLETALK:
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return AF_APPLETALK;
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default:
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return -1;
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}
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}
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static int
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linux_to_bsd_sockopt_level(int level)
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{
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switch (level) {
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case LINUX_SOL_SOCKET:
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return SOL_SOCKET;
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default:
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return level;
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}
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}
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static int linux_to_bsd_ip_sockopt(int opt)
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{
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switch (opt) {
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case LINUX_IP_TOS:
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return IP_TOS;
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case LINUX_IP_TTL:
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return IP_TTL;
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default:
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return -1;
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}
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}
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static int
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linux_to_bsd_so_sockopt(int opt)
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{
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switch (opt) {
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case LINUX_SO_DEBUG:
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return SO_DEBUG;
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case LINUX_SO_REUSEADDR:
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return SO_REUSEADDR;
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case LINUX_SO_TYPE:
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return SO_TYPE;
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case LINUX_SO_ERROR:
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return SO_ERROR;
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case LINUX_SO_DONTROUTE:
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return SO_DONTROUTE;
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case LINUX_SO_BROADCAST:
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return SO_BROADCAST;
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case LINUX_SO_SNDBUF:
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return SO_SNDBUF;
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case LINUX_SO_RCVBUF:
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return SO_RCVBUF;
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case LINUX_SO_KEEPALIVE:
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return SO_KEEPALIVE;
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case LINUX_SO_OOBINLINE:
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return SO_OOBINLINE;
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case LINUX_SO_LINGER:
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return SO_LINGER;
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case LINUX_SO_PRIORITY:
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case LINUX_SO_NO_CHECK:
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default:
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return -1;
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}
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}
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struct linux_socket_args {
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int domain;
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int type;
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int protocol;
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};
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static int
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linux_socket(struct proc *p, struct linux_socket_args *args, int *retval)
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{
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struct linux_socket_args linux_args;
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struct {
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int domain;
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int type;
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int protocol;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.protocol = linux_args.protocol;
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bsd_args.type = linux_args.type;
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bsd_args.domain = linux_to_bsd_domain(linux_args.domain);
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if (bsd_args.domain == -1)
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return EINVAL;
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return socket(p, &bsd_args, retval);
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}
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struct linux_bind_args {
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int s;
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struct sockaddr *name;
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int namelen;
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};
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static int
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linux_bind(struct proc *p, struct linux_bind_args *args, int *retval)
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{
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struct linux_bind_args linux_args;
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struct {
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int s;
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caddr_t name;
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int namelen;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.name = (caddr_t)linux_args.name;
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bsd_args.namelen = linux_args.namelen;
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return bind(p, &bsd_args, retval);
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}
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struct linux_connect_args {
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int s;
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struct sockaddr * name;
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int namelen;
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};
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static int
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linux_connect(struct proc *p, struct linux_connect_args *args, int *retval)
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{
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struct linux_connect_args linux_args;
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struct {
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int s;
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caddr_t name;
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int namelen;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.name = (caddr_t)linux_args.name;
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bsd_args.namelen = linux_args.namelen;
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return connect(p, &bsd_args, retval);
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}
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struct linux_listen_args {
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int s;
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int backlog;
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};
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static int
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linux_listen(struct proc *p, struct linux_listen_args *args, int *retval)
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{
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struct linux_listen_args linux_args;
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struct {
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int s;
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int backlog;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.backlog = linux_args.backlog;
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return listen(p, &bsd_args, retval);
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}
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struct linux_accept_args {
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int s;
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struct sockaddr *addr;
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int *namelen;
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};
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static int
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linux_accept(struct proc *p, struct linux_accept_args *args, int *retval)
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{
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struct linux_accept_args linux_args;
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struct accept_args {
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int s;
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caddr_t name;
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int *anamelen;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.name = (caddr_t)linux_args.addr;
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bsd_args.anamelen = linux_args.namelen;
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return oaccept(p, &bsd_args, retval);
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}
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struct linux_getsockname_args {
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int s;
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struct sockaddr *addr;
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int *namelen;
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};
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static int
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linux_getsockname(struct proc *p, struct linux_getsockname_args *args, int *retval)
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{
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struct linux_getsockname_args linux_args;
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struct {
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int fdes;
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caddr_t asa;
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int *alen;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.fdes = linux_args.s;
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bsd_args.asa = (caddr_t) linux_args.addr;
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bsd_args.alen = linux_args.namelen;
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return ogetsockname(p, &bsd_args, retval);
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}
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struct linux_getpeername_args {
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int s;
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struct sockaddr *addr;
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int *namelen;
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};
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static int
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linux_getpeername(struct proc *p, struct linux_getpeername_args *args, int *retval)
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{
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struct linux_getpeername_args linux_args;
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struct getpeername_args {
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int fdes;
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caddr_t asa;
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int *alen;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.fdes = linux_args.s;
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bsd_args.asa = (caddr_t) linux_args.addr;
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bsd_args.alen = linux_args.namelen;
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return ogetpeername(p, &bsd_args, retval);
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}
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struct linux_socketpair_args {
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int domain;
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int type;
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int protocol;
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int *rsv;
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};
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static int
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linux_socketpair(struct proc *p, struct linux_socketpair_args *args, int *retval)
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{
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struct linux_socketpair_args linux_args;
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struct {
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int domain;
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int type;
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int protocol;
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int *rsv;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.domain = linux_to_bsd_domain(linux_args.domain);
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if (bsd_args.domain == -1)
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return EINVAL;
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bsd_args.type = linux_args.type;
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bsd_args.protocol = linux_args.protocol;
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bsd_args.rsv = linux_args.rsv;
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return socketpair(p, &bsd_args, retval);
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}
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struct linux_send_args {
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int s;
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void *msg;
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int len;
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int flags;
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};
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static int
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linux_send(struct proc *p, struct linux_send_args *args, int *retval)
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{
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struct linux_send_args linux_args;
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struct {
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int s;
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caddr_t buf;
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int len;
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int flags;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.buf = linux_args.msg;
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bsd_args.len = linux_args.len;
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bsd_args.flags = linux_args.flags;
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return osend(p, &bsd_args, retval);
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}
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struct linux_recv_args {
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int s;
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void *msg;
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int len;
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int flags;
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};
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static int
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linux_recv(struct proc *p, struct linux_recv_args *args, int *retval)
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{
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struct linux_recv_args linux_args;
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struct {
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int s;
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caddr_t buf;
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int len;
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int flags;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.buf = linux_args.msg;
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bsd_args.len = linux_args.len;
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bsd_args.flags = linux_args.flags;
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return orecv(p, &bsd_args, retval);
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}
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struct linux_sendto_args {
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int s;
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void *msg;
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int len;
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int flags;
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caddr_t to;
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int tolen;
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};
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static int
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linux_sendto(struct proc *p, struct linux_sendto_args *args, int *retval)
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{
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struct linux_sendto_args linux_args;
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struct {
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int s;
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caddr_t buf;
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size_t len;
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int flags;
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caddr_t to;
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int tolen;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.buf = linux_args.msg;
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bsd_args.len = linux_args.len;
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bsd_args.flags = linux_args.flags;
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bsd_args.to = linux_args.to;
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bsd_args.tolen = linux_args.tolen;
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return sendto(p, &bsd_args, retval);
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}
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struct linux_recvfrom_args {
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int s;
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void *buf;
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int len;
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int flags;
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caddr_t from;
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int *fromlen;
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};
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static int
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linux_recvfrom(struct proc *p, struct linux_recvfrom_args *args, int *retval)
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{
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struct linux_recvfrom_args linux_args;
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struct {
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int s;
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caddr_t buf;
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size_t len;
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int flags;
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caddr_t from;
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int *fromlenaddr;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.buf = linux_args.buf;
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bsd_args.len = linux_args.len;
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bsd_args.flags = linux_args.flags;
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bsd_args.from = linux_args.from;
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bsd_args.fromlenaddr = linux_args.fromlen;
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return orecvfrom(p, &bsd_args, retval);
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}
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struct linux_shutdown_args {
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int s;
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int how;
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};
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static int
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linux_shutdown(struct proc *p, struct linux_shutdown_args *args, int *retval)
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{
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struct linux_shutdown_args linux_args;
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struct {
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int s;
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int how;
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} bsd_args;
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int error;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.how = linux_args.how;
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return shutdown(p, &bsd_args, retval);
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}
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struct linux_setsockopt_args {
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int s;
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int level;
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int optname;
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void *optval;
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int optlen;
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};
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static int
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linux_setsockopt(struct proc *p, struct linux_setsockopt_args *args, int *retval)
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{
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struct linux_setsockopt_args linux_args;
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struct {
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int s;
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int level;
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int name;
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caddr_t val;
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int valsize;
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} bsd_args;
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int error, name;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.level = linux_to_bsd_sockopt_level(linux_args.level);
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switch (bsd_args.level) {
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case SOL_SOCKET:
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name = linux_to_bsd_so_sockopt(linux_args.optname);
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break;
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case IPPROTO_IP:
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name = linux_to_bsd_ip_sockopt(linux_args.optname);
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break;
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default:
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return EINVAL;
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}
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if (name == -1)
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return EINVAL;
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bsd_args.name = name;
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bsd_args.val = linux_args.optval;
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bsd_args.valsize = linux_args.optlen;
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return setsockopt(p, &bsd_args, retval);
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}
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struct linux_getsockopt_args {
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int s;
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int level;
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int optname;
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void *optval;
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int *optlen;
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};
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static int
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linux_getsockopt(struct proc *p, struct linux_getsockopt_args *args, int *retval)
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{
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struct linux_getsockopt_args linux_args;
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struct {
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int s;
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int level;
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int name;
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caddr_t val;
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int *avalsize;
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} bsd_args;
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int error, name;
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if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
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return error;
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bsd_args.s = linux_args.s;
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bsd_args.level = linux_to_bsd_sockopt_level(linux_args.level);
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switch (bsd_args.level) {
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case SOL_SOCKET:
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name = linux_to_bsd_so_sockopt(linux_args.optname);
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break;
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case IPPROTO_IP:
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name = linux_to_bsd_ip_sockopt(linux_args.optname);
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break;
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default:
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return EINVAL;
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}
|
|
if (name == -1)
|
|
return EINVAL;
|
|
bsd_args.val = linux_args.optval;
|
|
bsd_args.avalsize = linux_args.optlen;
|
|
return getsockopt(p, &bsd_args, retval);
|
|
}
|
|
|
|
struct linux_socketcall_args {
|
|
int what;
|
|
void *args;
|
|
};
|
|
|
|
int
|
|
linux_socketcall(struct proc *p, struct linux_socketcall_args *args,int *retval)
|
|
{
|
|
switch (args->what) {
|
|
case LINUX_SOCKET:
|
|
return linux_socket(p, args->args, retval);
|
|
case LINUX_BIND:
|
|
return linux_bind(p, args->args, retval);
|
|
case LINUX_CONNECT:
|
|
return linux_connect(p, args->args, retval);
|
|
case LINUX_LISTEN:
|
|
return linux_listen(p, args->args, retval);
|
|
case LINUX_ACCEPT:
|
|
return linux_accept(p, args->args, retval);
|
|
case LINUX_GETSOCKNAME:
|
|
return linux_getsockname(p, args->args, retval);
|
|
case LINUX_GETPEERNAME:
|
|
return linux_getpeername(p, args->args, retval);
|
|
case LINUX_SOCKETPAIR:
|
|
return linux_socketpair(p, args->args, retval);
|
|
case LINUX_SEND:
|
|
return linux_send(p, args->args, retval);
|
|
case LINUX_RECV:
|
|
return linux_recv(p, args->args, retval);
|
|
case LINUX_SENDTO:
|
|
return linux_sendto(p, args->args, retval);
|
|
case LINUX_RECVFROM:
|
|
return linux_recvfrom(p, args->args, retval);
|
|
case LINUX_SHUTDOWN:
|
|
return linux_shutdown(p, args->args, retval);
|
|
case LINUX_SETSOCKOPT:
|
|
return linux_setsockopt(p, args->args, retval);
|
|
case LINUX_GETSOCKOPT:
|
|
return linux_getsockopt(p, args->args, retval);
|
|
default:
|
|
uprintf("LINUX: 'socket' typ=%d not implemented\n", args->what);
|
|
return ENOSYS;
|
|
}
|
|
}
|