sys/compat/osf1/osf1_socket.c

   1 /* $NetBSD: osf1_socket.c,v 1.18 2007/12/08 18:36:22 dsl Exp $ */
   2
   3 /*
   4  * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
  35  * All rights reserved.
  36  *
  37  * Author: Chris G. Demetriou
  38  *
  39  * Permission to use, copy, modify and distribute this software and
  40  * its documentation is hereby granted, provided that both the copyright
  41  * notice and this permission notice appear in all copies of the
  42  * software, derivative works or modified versions, and any portions
  43  * thereof, and that both notices appear in supporting documentation.
  44  *
  45  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  46  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  47  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  48  *
  49  * Carnegie Mellon requests users of this software to return to
  50  *
  51  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  52  *  School of Computer Science
  53  *  Carnegie Mellon University
  54  *  Pittsburgh PA 15213-3890
  55  *
  56  * any improvements or extensions that they make and grant Carnegie the
  57  * rights to redistribute these changes.
  58  */
  59
  60 #include <sys/cdefs.h>
  61 __KERNEL_RCSID(0, "$NetBSD: osf1_socket.c,v 1.18 2007/12/08 18:36:22 dsl Exp $");
  62
  63 #include <sys/param.h>
  64 #include <sys/systm.h>
  65 #include <sys/namei.h>
  66 #include <sys/proc.h>
  67 #include <sys/file.h>
  68 #include <sys/malloc.h>
  69 #include <sys/mount.h>
  70 #include <sys/syscallargs.h>
  71 #include <sys/socket.h>
  72 #include <sys/socketvar.h>
  73 #include <sys/exec.h>
  74
  75 #include <compat/osf1/osf1.h>
  76 #include <compat/osf1/osf1_syscallargs.h>
  77 #include <compat/common/compat_util.h>
  78 #include <compat/osf1/osf1_cvt.h>
  79
  80 int
  81 osf1_sys_recvmsg_xopen(struct lwp *l, const struct osf1_sys_recvmsg_xopen_args *uap, register_t *retval)
  82 {
  83
  84         /* XXX */
  85         return (EINVAL);
  86 }
  87
  88 int
  89 osf1_sys_sendmsg_xopen(struct lwp *l, const struct osf1_sys_sendmsg_xopen_args *uap, register_t *retval)
  90 {
  91         struct osf1_msghdr_xopen osf_msghdr;
  92         struct osf1_iovec_xopen osf_iovec, *osf_iovec_ptr;
  93         struct msghdr bsd_msghdr;
  94         struct iovec *bsd_iovec;
  95         unsigned long leftovers;
  96         int flags;
  97         unsigned int i, iov_len;
  98         int error;
  99
 100         /*
 101          * translate msghdr structure
 102          */
 103         if ((error = copyin(SCARG(uap, msg), &osf_msghdr,
 104             sizeof osf_msghdr)) != 0)
 105                 return (error);
 106
 107         error = osf1_cvt_msghdr_xopen_to_native(&osf_msghdr, &bsd_msghdr);
 108         if (error != 0)
 109                 return (error);
 110
 111         /*
 112          * translate flags
 113          */
 114         flags = emul_flags_translate(osf1_sendrecv_msg_flags_xtab,
 115             SCARG(uap, flags), &leftovers);
 116         if (leftovers != 0)
 117 {
 118 printf("sendmsg flags leftover: 0x%lx\n", leftovers);
 119                 return (EINVAL);
 120 }
 121
 122         iov_len = bsd_msghdr.msg_iovlen;
 123         if (iov_len > IOV_MAX)
 124                 return EMSGSIZE;
 125         bsd_iovec = malloc(iov_len * sizeof (struct iovec), M_IOV, M_WAITOK);
 126         bsd_msghdr.msg_iov = bsd_iovec;
 127
 128         osf_iovec_ptr = osf_msghdr.msg_iov;
 129         for (i = 0; i < iov_len; i++) {
 130                 error = copyin(&osf_iovec_ptr[i], &osf_iovec, sizeof osf_iovec);
 131                 if (error != 0) {
 132                         free(bsd_iovec, M_TEMP);
 133                         return (error);
 134                 }
 135                 bsd_iovec[i].iov_base = osf_iovec.iov_base;
 136                 bsd_iovec[i].iov_len = osf_iovec.iov_len;
 137         }
 138
 139         error = do_sys_sendmsg(l, SCARG(uap, s), &bsd_msghdr, flags, retval);
 140         free(bsd_iovec, M_TEMP);
 141         return error;
 142 }
 143
 144 int
 145 osf1_sys_sendto(struct lwp *l, const struct osf1_sys_sendto_args *uap, register_t *retval)
 146 {
 147         struct sys_sendto_args a;
 148         unsigned long leftovers;
 149
 150         SCARG(&a, s) = SCARG(uap, s);
 151         SCARG(&a, buf) = SCARG(uap, buf);
 152         SCARG(&a, len) = SCARG(uap, len);
 153         SCARG(&a, to) = SCARG(uap, to);
 154         SCARG(&a, tolen) = SCARG(uap, tolen);
 155
 156         /* translate flags */
 157         SCARG(&a, flags) = emul_flags_translate(osf1_sendrecv_msg_flags_xtab,
 158             SCARG(uap, flags), &leftovers);
 159         if (leftovers != 0)
 160                 return (EINVAL);
 161
 162         return sys_sendto(l, &a, retval);
 163 }
 164
 165 int
 166 osf1_sys_socket(struct lwp *l, const struct osf1_sys_socket_args *uap, register_t *retval)
 167 {
 168         struct compat_30_sys_socket_args a;
 169
 170         /* XXX TRANSLATE */
 171
 172         if (SCARG(uap, domain) > AF_LINK)
 173                 return (EINVAL);        /* XXX After AF_LINK, divergence. */
 174
 175         SCARG(&a, domain) = SCARG(uap, domain);
 176         SCARG(&a, type) = SCARG(uap, type);
 177         SCARG(&a, protocol) = SCARG(uap, protocol);
 178
 179         return compat_30_sys_socket(l, &a, retval);
 180 }
 181
 182 int
 183 osf1_sys_socketpair(struct lwp *l, const struct osf1_sys_socketpair_args *uap, register_t *retval)
 184 {
 185         struct sys_socketpair_args a;
 186
 187         /* XXX TRANSLATE */
 188
 189         if (SCARG(uap, domain) > AF_LINK)
 190                 return (EINVAL);        /* XXX After AF_LINK, divergence. */
 191
 192         SCARG(&a, domain) = SCARG(uap, domain);
 193         SCARG(&a, type) = SCARG(uap, type);
 194         SCARG(&a, protocol) = SCARG(uap, protocol);
 195         SCARG(&a, rsv) = SCARG(uap, rsv);
 196
 197         return sys_socketpair(l, &a, retval);
 198 }