usr/src/cmd/dtrace/test/tst/common/privs/tst.unpriv_funcs.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 2006 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 #ident  "%Z%%M% %I%     %E% SMI"
  27
  28 #
  29 # Affirmative test of less privileged user operation.  We do so by running
  30 # this test case as root, then as a less privileged user.  The output should
  31 # be exactly the same.
  32 #
  33
  34 script()
  35 {
  36         cat <<"EOF"
  37
  38         BEGIN { trace("trace\n"); }
  39         BEGIN { printf("%s\n", "printf"); }
  40         BEGIN { printf("strlen(\"strlen\") = %d\n", strlen("strlen")); }
  41         BEGIN { x = alloca(10);
  42                 bcopy("alloca\n", x, 7);
  43                 trace(stringof(x)); }
  44
  45         BEGIN { printf("index(\"index\", \"x\") = %d\n",
  46             index("index", "x")); }
  47         BEGIN { printf("strchr(\"strchr\", \'t\') = %s\n",
  48             strchr("strchr", 't')); }
  49
  50         BEGIN { printf("strtok(\"strtok\", \"t\") = %s\n",
  51             strtok("strtok", "t")); }
  52         BEGIN { printf("strtok(NULL, \"t\") = %s\n",
  53             strtok(NULL, "t")); }
  54         BEGIN { printf("strtok(NULL, \"t\") = %s\n",
  55             strtok(NULL, "t")); }
  56         BEGIN { printf("substr(\"substr\", 2, 2) = %s\n",
  57             substr("substr", 2, 2)); }
  58         BEGIN { trace(strjoin("str", "join\n")); }
  59         BEGIN { trace(basename("dirname/basename")); trace("/"); }
  60         BEGIN { trace(dirname("dirname/basename")); }
  61
  62         BEGIN { exit(0); }
  63         ERROR { exit(1); }
  64 EOF
  65 }
  66
  67 privout=/tmp/$$.priv_output
  68 unprivout=/tmp/$$.unpriv_output
  69
  70 script | /usr/sbin/dtrace -q -s /dev/stdin > $privout
  71 ppriv -s A=basic,dtrace_user $$
  72 script | /usr/sbin/dtrace -q -s /dev/stdin > $unprivout
  73
  74 diff $privout $unprivout
  75 res=$?
  76
  77 /bin/rm -f $privout $unprivout
  78
  79 exit $res