sys/compat/irix/irix_stat.c

   1 /*      $NetBSD: irix_stat.c,v 1.23 2008/03/21 21:54:58 ad Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2001, 2008 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Emmanuel Dreyfus.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: irix_stat.c,v 1.23 2008/03/21 21:54:58 ad Exp $");
  34
  35 #include <sys/errno.h>
  36 #include <sys/types.h>
  37 #include <sys/signal.h>
  38 #include <sys/param.h>
  39 #include <sys/filedesc.h>
  40 #include <sys/proc.h>
  41 #include <sys/mount.h>
  42 #include <sys/namei.h>
  43 #include <sys/stdint.h>
  44 #include <sys/stat.h>
  45 #include <sys/systm.h>
  46 #include <sys/syscallargs.h>
  47 #include <sys/vfs_syscalls.h>
  48
  49 #include <compat/common/compat_util.h>
  50
  51 #include <compat/svr4/svr4_types.h>
  52
  53 #include <compat/irix/irix_types.h>
  54 #include <compat/irix/irix_signal.h>
  55 #include <compat/irix/irix_syscall.h>
  56 #include <compat/irix/irix_syscallargs.h>
  57
  58 static void bsd_to_irix_stat(struct stat *, struct irix_stat *);
  59 static void bsd_to_irix_stat64(struct stat *, struct irix_stat64 *);
  60
  61 static void
  62 bsd_to_irix_stat(struct stat *bsp, struct irix_stat *isp)
  63 {
  64         memset(isp, 0, sizeof(*isp));
  65         isp->ist_dev = (irix_dev_t)bsd_to_svr4_dev_t(bsp->st_dev);
  66         isp->ist_ino = bsp->st_ino;
  67         isp->ist_mode = bsp->st_mode;   /* XXX translate it */
  68         isp->ist_nlink = bsp->st_nlink;
  69         isp->ist_uid = bsp->st_uid;
  70         isp->ist_gid = bsp->st_gid;
  71         if ((bsp->st_mode & S_IFMT) == S_IFBLK ||
  72             (bsp->st_mode & S_IFMT) == S_IFCHR)
  73                 isp->ist_rdev = (irix_dev_t)bsd_to_svr4_dev_t(bsp->st_rdev);
  74         else
  75                 isp->ist_rdev = 0;
  76         isp->ist_size = bsp->st_size;
  77         isp->ist_atim.tv_sec = bsp->st_atimespec.tv_sec;
  78         isp->ist_atim.tv_nsec = bsp->st_atimespec.tv_nsec;
  79         isp->ist_mtim.tv_sec = bsp->st_mtimespec.tv_sec;
  80         isp->ist_mtim.tv_nsec = bsp->st_mtimespec.tv_nsec;
  81         isp->ist_ctim.tv_sec = bsp->st_ctimespec.tv_sec;
  82         isp->ist_ctim.tv_nsec = bsp->st_ctimespec.tv_nsec;
  83         isp->ist_size = bsp->st_size;
  84         isp->ist_blocks = bsp->st_blocks;
  85         isp->ist_blksize = bsp->st_blksize;
  86         strlcpy(isp->ist_fstype, "unknown", sizeof(isp->ist_fstype));
  87
  88         return;
  89 }
  90
  91 static void
  92 bsd_to_irix_stat64(struct stat *bsp, struct irix_stat64 *isp)
  93 {
  94         memset(isp, 0, sizeof(*isp));
  95         isp->ist_dev = (irix_dev_t)bsd_to_svr4_dev_t(bsp->st_dev);
  96         isp->ist_ino = bsp->st_ino;
  97         isp->ist_mode = bsp->st_mode;   /* XXX translate it */
  98         isp->ist_nlink = bsp->st_nlink;
  99         isp->ist_uid = bsp->st_uid;
 100         isp->ist_gid = bsp->st_gid;
 101         if ((bsp->st_mode & S_IFMT) == S_IFBLK ||
 102             (bsp->st_mode & S_IFMT) == S_IFCHR)
 103                 isp->ist_rdev = (irix_dev_t)bsd_to_svr4_dev_t(bsp->st_rdev);
 104         else
 105                 isp->ist_rdev = 0;
 106         isp->ist_size = bsp->st_size;
 107         isp->ist_atim.tv_sec = bsp->st_atimespec.tv_sec;
 108         isp->ist_atim.tv_nsec = bsp->st_atimespec.tv_nsec;
 109         isp->ist_mtim.tv_sec = bsp->st_mtimespec.tv_sec;
 110         isp->ist_mtim.tv_nsec = bsp->st_mtimespec.tv_nsec;
 111         isp->ist_ctim.tv_sec = bsp->st_ctimespec.tv_sec;
 112         isp->ist_ctim.tv_nsec = bsp->st_ctimespec.tv_nsec;
 113         isp->ist_size = bsp->st_size;
 114         isp->ist_blocks = bsp->st_blocks;
 115         isp->ist_blksize = bsp->st_blksize;
 116         strlcpy(isp->ist_fstype, "unknown", sizeof(isp->ist_fstype));
 117
 118         return;
 119 }
 120
 121 static int
 122 convert_irix_stat(struct stat *st, void *buf, int stat_version)
 123 {
 124         switch (stat_version) {
 125         case IRIX__STAT_VER: {
 126                 struct irix_stat ist;
 127
 128                 bsd_to_irix_stat(st, &ist);
 129                 return copyout(&ist, buf, sizeof (ist));
 130         }
 131         case IRIX__STAT64_VER: {
 132                 struct irix_stat64 ist;
 133
 134                 bsd_to_irix_stat64(st, &ist);
 135                 return copyout(&ist, buf, sizeof (ist));
 136         }
 137         case IRIX__R3_STAT_VER:
 138         default:
 139                 printf("Warning: unimplemented irix_sys_?stat() version %d\n",
 140                     stat_version);
 141                 return EINVAL;
 142         }
 143 }
 144
 145 int
 146 irix_sys_xstat(struct lwp *l, const struct irix_sys_xstat_args *uap, register_t *retval)
 147 {
 148         /* {
 149                 syscallarg(const int) version;
 150                 syscallarg(const char *) path;
 151                 syscallarg(struct stat *) buf;
 152         } */
 153         struct stat st;
 154         int error;
 155
 156         error = do_sys_stat(SCARG(uap, path), FOLLOW, &st);
 157         if (error != 0)
 158                 return error;
 159
 160         return convert_irix_stat(&st, SCARG(uap, buf), SCARG(uap, version));
 161 }
 162
 163 int
 164 irix_sys_lxstat(struct lwp *l, const struct irix_sys_lxstat_args *uap, register_t *retval)
 165 {
 166         /* {
 167                 syscallarg(const int) version;
 168                 syscallarg(const char *) path;
 169                 syscallarg(struct stat *) buf;
 170         } */
 171         struct stat st;
 172         int error;
 173
 174         error = do_sys_stat(SCARG(uap, path), NOFOLLOW, &st);
 175         if (error != 0)
 176                 return error;
 177         return convert_irix_stat(&st, SCARG(uap, buf), SCARG(uap, version));
 178 }
 179
 180 int
 181 irix_sys_fxstat(struct lwp *l, const struct irix_sys_fxstat_args *uap, register_t *retval)
 182 {
 183         /* {
 184                 syscallarg(const int) version;
 185                 syscallarg(const int) fd;
 186                 syscallarg(struct stat *) buf;
 187         } */
 188         struct stat st;
 189         int error;
 190
 191         error = do_sys_fstat(SCARG(uap, fd), &st);
 192         if (error != 0)
 193                 return error;
 194         return convert_irix_stat(&st, SCARG(uap, buf), SCARG(uap, version));
 195 }