7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 23,33 ****
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  
  # a function that takes a file, then creates and verifies
--- 23,33 ----
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  
  # a function that takes a file, then creates and verifies
*** 37,49 ****
          typeset FILE=$1
          typeset XATTR_NAME=$2
          typeset XATTR_CONTENTS=$3
  
          # read any empty xattr on that file
!         log_must $RUNAT $FILE $LS
          # create the xattr
!         log_must $RUNAT $FILE $CP $XATTR_CONTENTS $XATTR_NAME
  
          verify_xattr $FILE $XATTR_NAME $XATTR_CONTENTS
  }
  
  # a function that compares the a single xattr between two files
--- 37,49 ----
          typeset FILE=$1
          typeset XATTR_NAME=$2
          typeset XATTR_CONTENTS=$3
  
          # read any empty xattr on that file
!         log_must runat $FILE ls
          # create the xattr
!         log_must runat $FILE cp $XATTR_CONTENTS $XATTR_NAME
  
          verify_xattr $FILE $XATTR_NAME $XATTR_CONTENTS
  }
  
  # a function that compares the a single xattr between two files
*** 51,107 ****
  function compare_xattrs { # filename1 filename2 xattr_name
          typeset FILE1=$1
          typeset FILE2=$2
          typeset XATTR_NAME=$3
  
!         $RUNAT $FILE1 $CAT $XATTR_NAME > /tmp/file1.$$
!         $RUNAT $FILE2 $CAT $XATTR_NAME > /tmp/file2.$$
  
!         log_must $DIFF /tmp/file1.$$ /tmp/file2.$$
!         log_must $RM /tmp/file1.$$ /tmp/file2.$$
  }
  
  function verify_xattr { # filename xattr_name xattr_contents
          typeset FILE=$1
          typeset XATTR_NAME=$2
          typeset XATTR_CONTENTS=$3
  
          # read the xattr, writing it to a temp file
!         log_must eval "$RUNAT $FILE $CAT $XATTR_NAME > /tmp/$XATTR_NAME.$$ 2>&1"
!         log_must $DIFF $XATTR_CONTENTS /tmp/$XATTR_NAME.$$
!         $RM /tmp/$XATTR_NAME.$$
  }
  
  function delete_xattr { # filename xattr_name
          typeset FILE=$1
          typeset XATTR_NAME=$2
  
          # delete the xattr
!         log_must $RUNAT $FILE $RM $XATTR_NAME
!         log_mustnot eval "$RUNAT $FILE $LS $XATTR_NAME > /dev/null 2>&1"
  }
  
  # not sure about this : really this should be testing write/append
  function verify_write_xattr { # filename xattr_name
          typeset FILE=$1
          typeset XATTR_NAME=$2
  
!         log_must eval "$RUNAT $FILE $DD if=/etc/passwd of=$XATTR_NAME"
!         log_must eval "$RUNAT $FILE $CAT $XATTR_NAME > /tmp/$XATTR_NAME.$$ 2>&1"
!         log_must $DD if=/etc/passwd of=/tmp/passwd_dd.$$
!         log_must $DIFF /tmp/passwd_dd.$$ /tmp/$XATTR_NAME.$$
!         log_must $RM /tmp/passwd_dd.$$ /tmp/$XATTR_NAME.$$
  }
  
  # this function is to create the expected output
  function create_expected_output  { # expected_output_file  contents_of_the_output
     typeset FILE=$1
     shift
     if [[ -f $FILE ]]; then
!       log_must $RM $FILE
     fi
  
     for line in $@
     do
!       log_must eval "$ECHO $line >> $FILE"
     done
   }
--- 51,107 ----
  function compare_xattrs { # filename1 filename2 xattr_name
          typeset FILE1=$1
          typeset FILE2=$2
          typeset XATTR_NAME=$3
  
!         runat $FILE1 cat $XATTR_NAME > /tmp/file1.$$
!         runat $FILE2 cat $XATTR_NAME > /tmp/file2.$$
  
!         log_must diff /tmp/file1.$$ /tmp/file2.$$
!         log_must rm /tmp/file1.$$ /tmp/file2.$$
  }
  
  function verify_xattr { # filename xattr_name xattr_contents
          typeset FILE=$1
          typeset XATTR_NAME=$2
          typeset XATTR_CONTENTS=$3
  
          # read the xattr, writing it to a temp file
!         log_must eval "runat $FILE cat $XATTR_NAME > /tmp/$XATTR_NAME.$$ 2>&1"
!         log_must diff $XATTR_CONTENTS /tmp/$XATTR_NAME.$$
!         rm /tmp/$XATTR_NAME.$$
  }
  
  function delete_xattr { # filename xattr_name
          typeset FILE=$1
          typeset XATTR_NAME=$2
  
          # delete the xattr
!         log_must runat $FILE rm $XATTR_NAME
!         log_mustnot eval "runat $FILE ls $XATTR_NAME > /dev/null 2>&1"
  }
  
  # not sure about this : really this should be testing write/append
  function verify_write_xattr { # filename xattr_name
          typeset FILE=$1
          typeset XATTR_NAME=$2
  
!         log_must eval "runat $FILE dd if=/etc/passwd of=$XATTR_NAME"
!         log_must eval "runat $FILE cat $XATTR_NAME > /tmp/$XATTR_NAME.$$ 2>&1"
!         log_must dd if=/etc/passwd of=/tmp/passwd_dd.$$
!         log_must diff /tmp/passwd_dd.$$ /tmp/$XATTR_NAME.$$
!         log_must rm /tmp/passwd_dd.$$ /tmp/$XATTR_NAME.$$
  }
  
  # this function is to create the expected output
  function create_expected_output  { # expected_output_file  contents_of_the_output
     typeset FILE=$1
     shift
     if [[ -f $FILE ]]; then
!       log_must rm $FILE
     fi
  
     for line in $@
     do
!       log_must eval "echo $line >> $FILE"
     done
   }