39a8b7149f
parents flags. Note on the PR: The PR contains another patch that's not being committed without further background information. The PR stays open for now. PR: 16946 (Victor A. Salaman <salaman@teknos.com>) Prompted by: msmith Indirect/implicit approval: jkh (shoot me if I'm wrong :-)
875 lines
21 KiB
C
875 lines
21 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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* $FreeBSD$
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*/
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/* XXX we use functions that might not exist. */
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#include "opt_compat.h"
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#ifndef COMPAT_43
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#error "Unable to compile Linux-emulator due to missing COMPAT_43 option!"
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#endif
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/sysproto.h>
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#include <sys/fcntl.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <i386/linux/linux.h>
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#include <i386/linux/linux_proto.h>
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#include <i386/linux/linux_util.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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case LINUX_IP_OPTIONS:
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return IP_OPTIONS;
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case LINUX_IP_MULTICAST_IF:
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return IP_MULTICAST_IF;
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case LINUX_IP_MULTICAST_TTL:
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return IP_MULTICAST_TTL;
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case LINUX_IP_MULTICAST_LOOP:
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return IP_MULTICAST_LOOP;
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case LINUX_IP_ADD_MEMBERSHIP:
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return IP_ADD_MEMBERSHIP;
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case LINUX_IP_DROP_MEMBERSHIP:
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return IP_DROP_MEMBERSHIP;
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case LINUX_IP_HDRINCL:
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return IP_HDRINCL;
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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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/* Return 0 if IP_HDRINCL is set of the given socket, not 0 otherwise */
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static int
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linux_check_hdrincl(struct proc *p, int s)
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{
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struct getsockopt_args /* {
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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;
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caddr_t sg, val, valsize;
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int size_val = sizeof val;
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int optval;
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sg = stackgap_init();
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val = stackgap_alloc(&sg, sizeof(int));
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valsize = stackgap_alloc(&sg, sizeof(int));
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if ((error=copyout(&size_val, valsize, sizeof(size_val))))
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return error;
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bsd_args.s = s;
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bsd_args.level = IPPROTO_IP;
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bsd_args.name = IP_HDRINCL;
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bsd_args.val = val;
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bsd_args.avalsize = (int *)valsize;
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if ((error=getsockopt(p, &bsd_args)))
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return error;
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if ((error=copyin(val, &optval, sizeof(optval))))
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return error;
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return optval == 0;
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}
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/*
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* Updated sendto() when IP_HDRINCL is set:
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* tweak endian-dependent fields in the IP packet.
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*/
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static int
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linux_sendto_hdrincl(struct proc *p, struct sendto_args *bsd_args)
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{
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/*
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* linux_ip_copysize defines how many bytes we should copy
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* from the beginning of the IP packet before we customize it for BSD.
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* It should include all the fields we modify (ip_len and ip_off)
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* and be as small as possible to minimize copying overhead.
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*/
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#define linux_ip_copysize 8
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caddr_t sg;
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struct ip *packet;
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struct msghdr *msg;
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struct iovec *iov;
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int error;
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struct sendmsg_args /* {
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int s;
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caddr_t msg;
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int flags;
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} */ sendmsg_args;
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/* Check the packet isn't too small before we mess with it */
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if (bsd_args->len < linux_ip_copysize)
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return EINVAL;
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/*
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* Tweaking the user buffer in place would be bad manners.
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* We create a corrected IP header with just the needed length,
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* then use an iovec to glue it to the rest of the user packet
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* when calling sendmsg().
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*/
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sg = stackgap_init();
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packet = (struct ip *)stackgap_alloc(&sg, linux_ip_copysize);
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msg = (struct msghdr *)stackgap_alloc(&sg, sizeof(*msg));
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iov = (struct iovec *)stackgap_alloc(&sg, sizeof(*iov)*2);
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/* Make a copy of the beginning of the packet to be sent */
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if ((error = copyin(bsd_args->buf, (caddr_t)packet, linux_ip_copysize)))
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return error;
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/* Convert fields from Linux to BSD raw IP socket format */
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packet->ip_len = bsd_args->len;
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packet->ip_off = ntohs(packet->ip_off);
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/* Prepare the msghdr and iovec structures describing the new packet */
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msg->msg_name = bsd_args->to;
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msg->msg_namelen = bsd_args->tolen;
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msg->msg_iov = iov;
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msg->msg_iovlen = 2;
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msg->msg_control = NULL;
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msg->msg_controllen = 0;
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msg->msg_flags = 0;
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iov[0].iov_base = (char *)packet;
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iov[0].iov_len = linux_ip_copysize;
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iov[1].iov_base = (char *)(bsd_args->buf) + linux_ip_copysize;
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iov[1].iov_len = bsd_args->len - linux_ip_copysize;
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sendmsg_args.s = bsd_args->s;
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sendmsg_args.msg = (caddr_t)msg;
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sendmsg_args.flags = bsd_args->flags;
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return sendmsg(p, &sendmsg_args);
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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)
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{
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struct linux_socket_args linux_args;
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struct socket_args /* {
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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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int retval_socket;
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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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retval_socket = socket(p, &bsd_args);
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if (bsd_args.type == SOCK_RAW
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&& (bsd_args.protocol == IPPROTO_RAW || bsd_args.protocol == 0)
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&& bsd_args.domain == AF_INET
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&& retval_socket >= 0) {
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/* It's a raw IP socket: set the IP_HDRINCL option. */
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struct setsockopt_args /* {
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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_setsockopt_args;
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caddr_t sg;
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int *hdrincl;
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sg = stackgap_init();
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hdrincl = (int *)stackgap_alloc(&sg, sizeof(*hdrincl));
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*hdrincl = 1;
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bsd_setsockopt_args.s = p->p_retval[0];
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bsd_setsockopt_args.level = IPPROTO_IP;
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bsd_setsockopt_args.name = IP_HDRINCL;
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bsd_setsockopt_args.val = (caddr_t)hdrincl;
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bsd_setsockopt_args.valsize = sizeof(*hdrincl);
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/* We ignore any error returned by setsockopt() */
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setsockopt(p, &bsd_setsockopt_args);
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/* Copy back the return value from socket() */
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p->p_retval[0] = bsd_setsockopt_args.s;
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}
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return retval_socket;
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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)
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{
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struct linux_bind_args linux_args;
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struct bind_args /* {
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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);
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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)
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{
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struct linux_connect_args linux_args;
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struct connect_args /* {
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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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error = connect(p, &bsd_args);
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if (error == EISCONN) {
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/*
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* Linux doesn't return EISCONN the first time it occurs,
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* when on a non-blocking socket. Instead it returns the
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* error getsockopt(SOL_SOCKET, SO_ERROR) would return on BSD.
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*/
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struct fcntl_args /* {
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int fd;
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int cmd;
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int arg;
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} */ bsd_fcntl_args;
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struct getsockopt_args /* {
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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_getsockopt_args;
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void *status, *statusl;
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int stat, statl = sizeof stat;
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caddr_t sg;
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/* Check for non-blocking */
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bsd_fcntl_args.fd = linux_args.s;
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bsd_fcntl_args.cmd = F_GETFL;
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bsd_fcntl_args.arg = 0;
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error = fcntl(p, &bsd_fcntl_args);
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if (error == 0 && (p->p_retval[0] & O_NONBLOCK)) {
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sg = stackgap_init();
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status = stackgap_alloc(&sg, sizeof stat);
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statusl = stackgap_alloc(&sg, sizeof statusl);
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if ((error = copyout(&statl, statusl, sizeof statl)))
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return error;
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bsd_getsockopt_args.s = linux_args.s;
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bsd_getsockopt_args.level = SOL_SOCKET;
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bsd_getsockopt_args.name = SO_ERROR;
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bsd_getsockopt_args.val = status;
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bsd_getsockopt_args.avalsize = statusl;
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error = getsockopt(p, &bsd_getsockopt_args);
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if (error)
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return error;
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if ((error = copyin(status, &stat, sizeof stat)))
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return error;
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p->p_retval[0] = stat;
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return 0;
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}
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}
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return error;
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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)
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{
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struct linux_listen_args linux_args;
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struct listen_args /* {
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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);
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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)
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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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struct fcntl_args /* {
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int fd;
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int cmd;
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long arg;
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} */ f_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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error = oaccept(p, &bsd_args);
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if (error)
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return (error);
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/*
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* linux appears not to copy flags from the parent socket to the
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* accepted one, so we must clear the flags in the new descriptor.
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* Ignore any errors, because we already have an open fd.
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*/
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f_args.fd = p->p_retval[0];
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f_args.cmd = F_SETFL;
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f_args.arg = 0;
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(void)fcntl(p, &f_args);
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p->p_retval[0] = f_args.fd;
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return (0);
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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)
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{
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struct linux_getsockname_args linux_args;
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struct getsockname_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 ogetsockname(p, &bsd_args);
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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)
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{
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struct linux_getpeername_args linux_args;
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struct ogetpeername_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;
|
|
bsd_args.fdes = linux_args.s;
|
|
bsd_args.asa = (caddr_t) linux_args.addr;
|
|
bsd_args.alen = linux_args.namelen;
|
|
return ogetpeername(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_socketpair_args {
|
|
int domain;
|
|
int type;
|
|
int protocol;
|
|
int *rsv;
|
|
};
|
|
|
|
static int
|
|
linux_socketpair(struct proc *p, struct linux_socketpair_args *args)
|
|
{
|
|
struct linux_socketpair_args linux_args;
|
|
struct socketpair_args /* {
|
|
int domain;
|
|
int type;
|
|
int protocol;
|
|
int *rsv;
|
|
} */ bsd_args;
|
|
int error;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.domain = linux_to_bsd_domain(linux_args.domain);
|
|
if (bsd_args.domain == -1)
|
|
return EINVAL;
|
|
bsd_args.type = linux_args.type;
|
|
bsd_args.protocol = linux_args.protocol;
|
|
bsd_args.rsv = linux_args.rsv;
|
|
return socketpair(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_send_args {
|
|
int s;
|
|
void *msg;
|
|
int len;
|
|
int flags;
|
|
};
|
|
|
|
static int
|
|
linux_send(struct proc *p, struct linux_send_args *args)
|
|
{
|
|
struct linux_send_args linux_args;
|
|
struct osend_args /* {
|
|
int s;
|
|
caddr_t buf;
|
|
int len;
|
|
int flags;
|
|
} */ bsd_args;
|
|
int error;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.buf = linux_args.msg;
|
|
bsd_args.len = linux_args.len;
|
|
bsd_args.flags = linux_args.flags;
|
|
return osend(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_recv_args {
|
|
int s;
|
|
void *msg;
|
|
int len;
|
|
int flags;
|
|
};
|
|
|
|
static int
|
|
linux_recv(struct proc *p, struct linux_recv_args *args)
|
|
{
|
|
struct linux_recv_args linux_args;
|
|
struct orecv_args /* {
|
|
int s;
|
|
caddr_t buf;
|
|
int len;
|
|
int flags;
|
|
} */ bsd_args;
|
|
int error;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.buf = linux_args.msg;
|
|
bsd_args.len = linux_args.len;
|
|
bsd_args.flags = linux_args.flags;
|
|
return orecv(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_sendto_args {
|
|
int s;
|
|
void *msg;
|
|
int len;
|
|
int flags;
|
|
caddr_t to;
|
|
int tolen;
|
|
};
|
|
|
|
static int
|
|
linux_sendto(struct proc *p, struct linux_sendto_args *args)
|
|
{
|
|
struct linux_sendto_args linux_args;
|
|
struct sendto_args /* {
|
|
int s;
|
|
caddr_t buf;
|
|
size_t len;
|
|
int flags;
|
|
caddr_t to;
|
|
int tolen;
|
|
} */ bsd_args;
|
|
int error;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.buf = linux_args.msg;
|
|
bsd_args.len = linux_args.len;
|
|
bsd_args.flags = linux_args.flags;
|
|
bsd_args.to = linux_args.to;
|
|
bsd_args.tolen = linux_args.tolen;
|
|
|
|
if (linux_check_hdrincl(p, linux_args.s) == 0)
|
|
/* IP_HDRINCL set, tweak the packet before sending */
|
|
return linux_sendto_hdrincl(p, &bsd_args);
|
|
|
|
return sendto(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_recvfrom_args {
|
|
int s;
|
|
void *buf;
|
|
int len;
|
|
int flags;
|
|
caddr_t from;
|
|
int *fromlen;
|
|
};
|
|
|
|
static int
|
|
linux_recvfrom(struct proc *p, struct linux_recvfrom_args *args)
|
|
{
|
|
struct linux_recvfrom_args linux_args;
|
|
struct recvfrom_args /* {
|
|
int s;
|
|
caddr_t buf;
|
|
size_t len;
|
|
int flags;
|
|
caddr_t from;
|
|
int *fromlenaddr;
|
|
} */ bsd_args;
|
|
int error;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.buf = linux_args.buf;
|
|
bsd_args.len = linux_args.len;
|
|
bsd_args.flags = linux_args.flags;
|
|
bsd_args.from = linux_args.from;
|
|
bsd_args.fromlenaddr = linux_args.fromlen;
|
|
return orecvfrom(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_shutdown_args {
|
|
int s;
|
|
int how;
|
|
};
|
|
|
|
static int
|
|
linux_shutdown(struct proc *p, struct linux_shutdown_args *args)
|
|
{
|
|
struct linux_shutdown_args linux_args;
|
|
struct shutdown_args /* {
|
|
int s;
|
|
int how;
|
|
} */ bsd_args;
|
|
int error;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.how = linux_args.how;
|
|
return shutdown(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_setsockopt_args {
|
|
int s;
|
|
int level;
|
|
int optname;
|
|
void *optval;
|
|
int optlen;
|
|
};
|
|
|
|
static int
|
|
linux_setsockopt(struct proc *p, struct linux_setsockopt_args *args)
|
|
{
|
|
struct linux_setsockopt_args linux_args;
|
|
struct setsockopt_args /* {
|
|
int s;
|
|
int level;
|
|
int name;
|
|
caddr_t val;
|
|
int valsize;
|
|
} */ bsd_args;
|
|
int error, name;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.level = linux_to_bsd_sockopt_level(linux_args.level);
|
|
switch (bsd_args.level) {
|
|
case SOL_SOCKET:
|
|
name = linux_to_bsd_so_sockopt(linux_args.optname);
|
|
break;
|
|
case IPPROTO_IP:
|
|
name = linux_to_bsd_ip_sockopt(linux_args.optname);
|
|
break;
|
|
case IPPROTO_TCP:
|
|
/* Linux TCP option values match BSD's */
|
|
name = linux_args.optname;
|
|
break;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
if (name == -1)
|
|
return EINVAL;
|
|
bsd_args.name = name;
|
|
bsd_args.val = linux_args.optval;
|
|
bsd_args.valsize = linux_args.optlen;
|
|
return setsockopt(p, &bsd_args);
|
|
}
|
|
|
|
struct linux_getsockopt_args {
|
|
int s;
|
|
int level;
|
|
int optname;
|
|
void *optval;
|
|
int *optlen;
|
|
};
|
|
|
|
static int
|
|
linux_getsockopt(struct proc *p, struct linux_getsockopt_args *args)
|
|
{
|
|
struct linux_getsockopt_args linux_args;
|
|
struct getsockopt_args /* {
|
|
int s;
|
|
int level;
|
|
int name;
|
|
caddr_t val;
|
|
int *avalsize;
|
|
} */ bsd_args;
|
|
int error, name;
|
|
|
|
if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args))))
|
|
return error;
|
|
bsd_args.s = linux_args.s;
|
|
bsd_args.level = linux_to_bsd_sockopt_level(linux_args.level);
|
|
switch (bsd_args.level) {
|
|
case SOL_SOCKET:
|
|
name = linux_to_bsd_so_sockopt(linux_args.optname);
|
|
break;
|
|
case IPPROTO_IP:
|
|
name = linux_to_bsd_ip_sockopt(linux_args.optname);
|
|
break;
|
|
case IPPROTO_TCP:
|
|
/* Linux TCP option values match BSD's */
|
|
name = linux_args.optname;
|
|
break;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
if (name == -1)
|
|
return EINVAL;
|
|
bsd_args.name = name;
|
|
bsd_args.val = linux_args.optval;
|
|
bsd_args.avalsize = linux_args.optlen;
|
|
return getsockopt(p, &bsd_args);
|
|
}
|
|
|
|
int
|
|
linux_socketcall(struct proc *p, struct linux_socketcall_args *args)
|
|
{
|
|
switch (args->what) {
|
|
case LINUX_SOCKET:
|
|
return linux_socket(p, args->args);
|
|
case LINUX_BIND:
|
|
return linux_bind(p, args->args);
|
|
case LINUX_CONNECT:
|
|
return linux_connect(p, args->args);
|
|
case LINUX_LISTEN:
|
|
return linux_listen(p, args->args);
|
|
case LINUX_ACCEPT:
|
|
return linux_accept(p, args->args);
|
|
case LINUX_GETSOCKNAME:
|
|
return linux_getsockname(p, args->args);
|
|
case LINUX_GETPEERNAME:
|
|
return linux_getpeername(p, args->args);
|
|
case LINUX_SOCKETPAIR:
|
|
return linux_socketpair(p, args->args);
|
|
case LINUX_SEND:
|
|
return linux_send(p, args->args);
|
|
case LINUX_RECV:
|
|
return linux_recv(p, args->args);
|
|
case LINUX_SENDTO:
|
|
return linux_sendto(p, args->args);
|
|
case LINUX_RECVFROM:
|
|
return linux_recvfrom(p, args->args);
|
|
case LINUX_SHUTDOWN:
|
|
return linux_shutdown(p, args->args);
|
|
case LINUX_SETSOCKOPT:
|
|
return linux_setsockopt(p, args->args);
|
|
case LINUX_GETSOCKOPT:
|
|
return linux_getsockopt(p, args->args);
|
|
case LINUX_SENDMSG:
|
|
do {
|
|
int error;
|
|
int level;
|
|
caddr_t control;
|
|
struct {
|
|
int s;
|
|
const struct msghdr *msg;
|
|
int flags;
|
|
} *uap = args->args;
|
|
|
|
error = copyin(&uap->msg->msg_control,
|
|
&control, sizeof(caddr_t));
|
|
if (error)
|
|
return error;
|
|
if (control == NULL)
|
|
goto done;
|
|
error = copyin(&((struct cmsghdr *)control)->cmsg_level,
|
|
&level, sizeof(int));
|
|
if (error)
|
|
return error;
|
|
if (level == 1) {
|
|
/*
|
|
* Linux thinks that SOL_SOCKET is 1; we know that it's really
|
|
* 0xffff, of course.
|
|
*/
|
|
level = SOL_SOCKET;
|
|
error = copyout(&level, &((struct cmsghdr *)control)->
|
|
cmsg_level, sizeof(int));
|
|
if (error)
|
|
return error;
|
|
}
|
|
done:
|
|
return sendmsg(p, args->args);
|
|
} while (0);
|
|
case LINUX_RECVMSG:
|
|
return recvmsg(p, args->args);
|
|
|
|
default:
|
|
uprintf("LINUX: 'socket' typ=%d not implemented\n", args->what);
|
|
return ENOSYS;
|
|
}
|
|
}
|