sys/i386/ibcs2/ibcs2_stat.c

   1 /*-
   2  * Copyright (c) 1995 Scott Bartram
   3  * Copyright (c) 1995 Steven Wallace
   4  * 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. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/namei.h>
  35 #include <sys/fcntl.h>
  36 #include <sys/file.h>
  37 #include <sys/stat.h>
  38 #include <sys/filedesc.h>
  39 #include <sys/jail.h>
  40 #include <sys/kernel.h>
  41 #include <sys/mount.h>
  42 #include <sys/malloc.h>
  43 #include <sys/vnode.h>
  44 #include <sys/syscallsubr.h>
  45 #include <sys/sysctl.h>
  46 #include <sys/sysproto.h>
  47
  48 #include <i386/ibcs2/ibcs2_signal.h>
  49 #include <i386/ibcs2/ibcs2_stat.h>
  50 #include <i386/ibcs2/ibcs2_statfs.h>
  51 #include <i386/ibcs2/ibcs2_proto.h>
  52 #include <i386/ibcs2/ibcs2_util.h>
  53 #include <i386/ibcs2/ibcs2_utsname.h>
  54
  55
  56 static void bsd_stat2ibcs_stat(struct stat *, struct ibcs2_stat *);
  57 static int  cvt_statfs(struct statfs *, caddr_t, int);
  58
  59 static void
  60 bsd_stat2ibcs_stat(st, st4)
  61         struct stat *st;
  62         struct ibcs2_stat *st4;
  63 {
  64         bzero(st4, sizeof(*st4));
  65         st4->st_dev  = (ibcs2_dev_t)st->st_dev;
  66         st4->st_ino  = (ibcs2_ino_t)st->st_ino;
  67         st4->st_mode = (ibcs2_mode_t)st->st_mode;
  68         st4->st_nlink= (ibcs2_nlink_t)st->st_nlink;
  69         st4->st_uid  = (ibcs2_uid_t)st->st_uid;
  70         st4->st_gid  = (ibcs2_gid_t)st->st_gid;
  71         st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
  72         if (st->st_size < (quad_t)1 << 32)
  73                 st4->st_size = (ibcs2_off_t)st->st_size;
  74         else
  75                 st4->st_size = -2;
  76         st4->st_atim = (ibcs2_time_t)st->st_atim.tv_sec;
  77         st4->st_mtim = (ibcs2_time_t)st->st_mtim.tv_sec;
  78         st4->st_ctim = (ibcs2_time_t)st->st_ctim.tv_sec;
  79 }
  80
  81 static int
  82 cvt_statfs(sp, buf, len)
  83         struct statfs *sp;
  84         caddr_t buf;
  85         int len;
  86 {
  87         struct ibcs2_statfs ssfs;
  88
  89         if (len < 0)
  90                 return (EINVAL);
  91         else if (len > sizeof(ssfs))
  92                 len = sizeof(ssfs);
  93         bzero(&ssfs, sizeof ssfs);
  94         ssfs.f_fstyp = 0;
  95         ssfs.f_bsize = sp->f_bsize;
  96         ssfs.f_frsize = 0;
  97         ssfs.f_blocks = sp->f_blocks;
  98         ssfs.f_bfree = sp->f_bfree;
  99         ssfs.f_files = sp->f_files;
 100         ssfs.f_ffree = sp->f_ffree;
 101         ssfs.f_fname[0] = 0;
 102         ssfs.f_fpack[0] = 0;
 103         return copyout((caddr_t)&ssfs, buf, len);
 104 }
 105
 106 int
 107 ibcs2_statfs(td, uap)
 108         struct thread *td;
 109         struct ibcs2_statfs_args *uap;
 110 {
 111         struct statfs sf;
 112         char *path;
 113         int error;
 114
 115         CHECKALTEXIST(td, uap->path, &path);
 116         error = kern_statfs(td, path, UIO_SYSSPACE, &sf);
 117         free(path, M_TEMP);
 118         if (error)
 119                 return (error);
 120         return cvt_statfs(&sf, (caddr_t)uap->buf, uap->len);
 121 }
 122
 123 int
 124 ibcs2_fstatfs(td, uap)
 125         struct thread *td;
 126         struct ibcs2_fstatfs_args *uap;
 127 {
 128         struct statfs sf;
 129         int error;
 130
 131         error = kern_fstatfs(td, uap->fd, &sf);
 132         if (error)
 133                 return (error);
 134         return cvt_statfs(&sf, (caddr_t)uap->buf, uap->len);
 135 }
 136
 137 int
 138 ibcs2_stat(td, uap)
 139         struct thread *td;
 140         struct ibcs2_stat_args *uap;
 141 {
 142         struct ibcs2_stat ibcs2_st;
 143         struct stat st;
 144         char *path;
 145         int error;
 146
 147         CHECKALTEXIST(td, uap->path, &path);
 148
 149         error = kern_statat(td, 0, AT_FDCWD, path, UIO_SYSSPACE, &st, NULL);
 150         free(path, M_TEMP);
 151         if (error)
 152                 return (error);
 153         bsd_stat2ibcs_stat(&st, &ibcs2_st);
 154         return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
 155                        ibcs2_stat_len);
 156 }
 157
 158 int
 159 ibcs2_lstat(td, uap)
 160         struct thread *td;
 161         struct ibcs2_lstat_args *uap;
 162 {
 163         struct ibcs2_stat ibcs2_st;
 164         struct stat st;
 165         char *path;
 166         int error;
 167
 168         CHECKALTEXIST(td, uap->path, &path);
 169
 170         error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, path,
 171             UIO_SYSSPACE, &st, NULL);
 172         free(path, M_TEMP);
 173         if (error)
 174                 return (error);
 175         bsd_stat2ibcs_stat(&st, &ibcs2_st);
 176         return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
 177                        ibcs2_stat_len);
 178 }
 179
 180 int
 181 ibcs2_fstat(td, uap)
 182         struct thread *td;
 183         struct ibcs2_fstat_args *uap;
 184 {
 185         struct ibcs2_stat ibcs2_st;
 186         struct stat st;
 187         int error;
 188
 189         error = kern_fstat(td, uap->fd, &st);
 190         if (error)
 191                 return (error);
 192         bsd_stat2ibcs_stat(&st, &ibcs2_st);
 193         return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
 194                        ibcs2_stat_len);
 195 }
 196
 197 int
 198 ibcs2_utssys(td, uap)
 199         struct thread *td;
 200         struct ibcs2_utssys_args *uap;
 201 {
 202         switch (uap->flag) {
 203         case 0:                 /* uname(2) */
 204         {
 205                 char machine_name[9], *p;
 206                 struct ibcs2_utsname sut;
 207                 bzero(&sut, ibcs2_utsname_len);
 208
 209                 strncpy(sut.sysname,
 210                         IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1);
 211                 strncpy(sut.release,
 212                         IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1);
 213                 strncpy(sut.version,
 214                         IBCS2_UNAME_VERSION, sizeof(sut.version) - 1);
 215                 getcredhostname(td->td_ucred, machine_name,
 216                     sizeof(machine_name) - 1);
 217                 p = strchr(machine_name, '.');
 218                 if ( p )
 219                         *p = '\0';
 220                 strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1);
 221                 strncpy(sut.machine, machine, sizeof(sut.machine) - 1);
 222
 223                 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n",
 224                          sut.sysname, sut.release, sut.version, sut.nodename,
 225                          sut.machine));
 226                 return copyout((caddr_t)&sut, (caddr_t)uap->a1,
 227                                ibcs2_utsname_len);
 228         }
 229
 230         case 2:                 /* ustat(2) */
 231         {
 232                 return ENOSYS;  /* XXX - TODO */
 233         }
 234
 235         default:
 236                 return ENOSYS;
 237         }
 238 }