usr/src/cmd/dtrace/test/tst/common/privs/tst.fds.ksh

   1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21
  22 #
  23 # Copyright (c) 2012, Joyent, Inc. All rights reserved.
  24 #
  25
  26 tmpin=/tmp/tst.fds.$$.d
  27 tmpout1=/tmp/tst.fds.$$.out1
  28 tmpout2=/tmp/tst.fds.$$.out2
  29
  30 cat > $tmpin <<EOF
  31 #define DUMPFIELD(fd, fmt, field) \
  32         errmsg = "could not dump field"; \
  33         printf("%d: field =fmt\n", fd, fds[fd].field);
  34
  35 /*
  36  * Note that we are explicitly not looking at fi_mount -- it (by design) does
  37  * not work if not running with kernel permissions.
  38  */
  39 #define DUMP(fd)        \
  40         DUMPFIELD(fd, %s, fi_name); \
  41         DUMPFIELD(fd, %s, fi_dirname); \
  42         DUMPFIELD(fd, %s, fi_pathname); \
  43         DUMPFIELD(fd, %d, fi_offset); \
  44         DUMPFIELD(fd, %s, fi_fs); \
  45         DUMPFIELD(fd, %o, fi_oflags);
  46
  47 BEGIN
  48 {
  49         DUMP(0);
  50         DUMP(1);
  51         DUMP(2);
  52         DUMP(3);
  53         DUMP(4);
  54         exit(0);
  55 }
  56
  57 ERROR
  58 {
  59         printf("error: %s\n", errmsg);
  60         exit(1);
  61 }
  62 EOF
  63
  64 #
  65 # First, with all privs
  66 #
  67 /usr/sbin/dtrace -q -Cs /dev/stdin < $tmpin > $tmpout2
  68 mv $tmpout2 $tmpout1
  69
  70 #
  71 # And now with only dtrace_proc and dtrace_user -- the output should be
  72 # identical.
  73 #
  74 ppriv -s A=basic,dtrace_proc,dtrace_user $$
  75
  76 /usr/sbin/dtrace -q -Cs /dev/stdin < $tmpin > $tmpout2
  77
  78 echo ">>> $tmpout1"
  79 cat $tmpout1
  80
  81 echo ">>> $tmpout2"
  82 cat $tmpout2
  83
  84 rval=0
  85
  86 if ! cmp $tmpout1 $tmpout2 ; then
  87         rval=1
  88 fi
  89
  90 rm $tmpout1 $tmpout2 $tmpin
  91 exit $rval