FreeBSD/Linux Kernel Cross Reference
sys/compat/osf1/osf1_socket.c

     /* $NetBSD: osf1_socket.c,v 1.19 2007/12/20 23:03:03 dsl Exp $ */
     
     /*
      * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Christopher G. Demetriou
     *      for the NetBSD Project.
     * 4. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    /*
     * Copyright (c) 1994, 1995 Carnegie-Mellon University.
     * All rights reserved.
     *
     * Author: Chris G. Demetriou
     *
     * Permission to use, copy, modify and distribute this software and
     * its documentation is hereby granted, provided that both the copyright
     * notice and this permission notice appear in all copies of the
     * software, derivative works or modified versions, and any portions
     * thereof, and that both notices appear in supporting documentation.
     *
     * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     *
     * Carnegie Mellon requests users of this software to return to
     *
     *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
     *  School of Computer Science
     *  Carnegie Mellon University
     *  Pittsburgh PA 15213-3890
     *
     * any improvements or extensions that they make and grant Carnegie the
     * rights to redistribute these changes.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: osf1_socket.c,v 1.19 2007/12/20 23:03:03 dsl Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/namei.h>
    #include <sys/proc.h>
    #include <sys/file.h>
    #include <sys/malloc.h>
    #include <sys/mount.h>
    #include <sys/syscallargs.h>
    #include <sys/socket.h>
    #include <sys/socketvar.h>
    #include <sys/exec.h>
    
    #include <compat/osf1/osf1.h>
    #include <compat/osf1/osf1_syscallargs.h>
    #include <compat/common/compat_util.h>
    #include <compat/osf1/osf1_cvt.h>
    
    int
    osf1_sys_recvmsg_xopen(struct lwp *l, const struct osf1_sys_recvmsg_xopen_args *uap, register_t *retval)
    {
    
            /* XXX */
            return (EINVAL);
    }
    
    int
    osf1_sys_sendmsg_xopen(struct lwp *l, const struct osf1_sys_sendmsg_xopen_args *uap, register_t *retval)
    {
            struct osf1_msghdr_xopen osf_msghdr;
            struct osf1_iovec_xopen osf_iovec, *osf_iovec_ptr;
            struct msghdr bsd_msghdr;
            struct iovec *bsd_iovec;
            unsigned long leftovers;
            int flags;
            unsigned int i, iov_len;
            int error;
    
           /*
            * translate msghdr structure
            */
           if ((error = copyin(SCARG(uap, msg), &osf_msghdr,
               sizeof osf_msghdr)) != 0)
                   return (error);
   
           error = osf1_cvt_msghdr_xopen_to_native(&osf_msghdr, &bsd_msghdr);
           if (error != 0)
                   return (error);
   
           /*
            * translate flags
            */
           flags = emul_flags_translate(osf1_sendrecv_msg_flags_xtab,
               SCARG(uap, flags), &leftovers);
           if (leftovers != 0)
   {
   printf("sendmsg flags leftover: 0x%lx\n", leftovers);
                   return (EINVAL);
   }
   
           iov_len = bsd_msghdr.msg_iovlen;
           if (iov_len > IOV_MAX)
                   return EMSGSIZE;
           bsd_iovec = malloc(iov_len * sizeof (struct iovec), M_IOV, M_WAITOK);
           bsd_msghdr.msg_iov = bsd_iovec;
   
           osf_iovec_ptr = osf_msghdr.msg_iov;
           for (i = 0; i < iov_len; i++) {
                   error = copyin(&osf_iovec_ptr[i], &osf_iovec, sizeof osf_iovec);
                   if (error != 0) {
                           free(bsd_iovec, M_TEMP);
                           return (error);
                   }
                   bsd_iovec[i].iov_base = osf_iovec.iov_base;
                   bsd_iovec[i].iov_len = osf_iovec.iov_len;
           }
   
           error = do_sys_sendmsg(l, SCARG(uap, s), &bsd_msghdr, flags, retval);
           free(bsd_iovec, M_TEMP);
           return error;
   }
   
   int
   osf1_sys_sendto(struct lwp *l, const struct osf1_sys_sendto_args *uap, register_t *retval)
   {
           struct sys_sendto_args a;
           unsigned long leftovers;
   
           SCARG(&a, s) = SCARG(uap, s);
           SCARG(&a, buf) = SCARG(uap, buf);
           SCARG(&a, len) = SCARG(uap, len);
           SCARG(&a, to) = SCARG(uap, to);
           SCARG(&a, tolen) = SCARG(uap, tolen);
   
           /* translate flags */
           SCARG(&a, flags) = emul_flags_translate(osf1_sendrecv_msg_flags_xtab,
               SCARG(uap, flags), &leftovers);
           if (leftovers != 0)
                   return (EINVAL);
   
           return sys_sendto(l, &a, retval);
   }
   
   int
   osf1_sys_socket(struct lwp *l, const struct osf1_sys_socket_args *uap, register_t *retval)
   {
           struct compat_30_sys_socket_args a;
   
           /* XXX TRANSLATE */
   
           if (SCARG(uap, domain) > AF_LINK)
                   return (EINVAL);        /* XXX After AF_LINK, divergence. */
   
           SCARG(&a, domain) = SCARG(uap, domain);
           SCARG(&a, type) = SCARG(uap, type);
           SCARG(&a, protocol) = SCARG(uap, protocol);
   
           return compat_30_sys_socket(l, &a, retval);
   }
   
   int
   osf1_sys_socketpair(struct lwp *l, const struct osf1_sys_socketpair_args *uap, register_t *retval)
   {
           struct sys_socketpair_args a;
   
           /* XXX TRANSLATE */
   
           if (SCARG(uap, domain) > AF_LINK)
                   return (EINVAL);        /* XXX After AF_LINK, divergence. */
   
           SCARG(&a, domain) = SCARG(uap, domain);
           SCARG(&a, type) = SCARG(uap, type);
           SCARG(&a, protocol) = SCARG(uap, protocol);
           SCARG(&a, rsv) = SCARG(uap, rsv);
   
           return sys_socketpair(l, &a, retval);
   }

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