tests/test-set-mode-acl.sh

   1 #!/bin/sh
   2
   3 # Show all commands when run with environment variable VERBOSE=yes.
   4 test -z "$VERBOSE" || set -x
   5
   6 test "$USE_ACL" = 0 &&
   7   {
   8     echo "Skipping test: insufficient ACL support"
   9     exit 77
  10   }
  11
  12 # func_tmpdir
  13 # creates a temporary directory.
  14 # Sets variable
  15 # - tmp             pathname of freshly created temporary directory
  16 func_tmpdir ()
  17 {
  18   # Use the environment variable TMPDIR, falling back to /tmp. This allows
  19   # users to specify a different temporary directory, for example, if their
  20   # /tmp is filled up or too small.
  21   : ${TMPDIR=/tmp}
  22   {
  23     # Use the mktemp program if available. If not available, hide the error
  24     # message.
  25     tmp=`(umask 077 && mktemp -d "$TMPDIR/glXXXXXX") 2>/dev/null` &&
  26     test -n "$tmp" && test -d "$tmp"
  27   } ||
  28   {
  29     # Use a simple mkdir command. It is guaranteed to fail if the directory
  30     # already exists.  $RANDOM is bash specific and expands to empty in shells
  31     # other than bash, ksh and zsh.  Its use does not increase security;
  32     # rather, it minimizes the probability of failure in a very cluttered /tmp
  33     # directory.
  34     tmp=$TMPDIR/gl$$-$RANDOM
  35     (umask 077 && mkdir "$tmp")
  36   } ||
  37   {
  38     echo "$0: cannot create a temporary directory in $TMPDIR" >&2
  39     exit 1
  40   }
  41 }
  42
  43 func_tmpdir
  44 builddir=`pwd`
  45 cd "$builddir" ||
  46   {
  47     echo "$0: cannot determine build directory (unreadable parent dir?)" >&2
  48     exit 1
  49   }
  50 # Switch to a temporary directory, to increase the likelihood that ACLs are
  51 # supported on the current file system. (/tmp is usually locally mounted,
  52 # whereas the build dir is sometimes NFS-mounted.)
  53 ( cd "$tmp"
  54
  55   # Prepare tmpfile0.
  56   rm -f tmpfile[0-9]
  57   echo "Simple contents" > tmpfile0
  58   chmod 600 tmpfile0
  59
  60   # Classification of the platform according to the programs available for
  61   # manipulating ACLs.
  62   # Possible values are:
  63   #   linux, cygwin, freebsd, solaris, hpux, hpuxjfs, osf1, aix, macosx, irix, none.
  64   # TODO: Support also native Windows platforms (mingw).
  65   acl_flavor=none
  66   if (getfacl tmpfile0 >/dev/null) 2>/dev/null; then
  67     # Platforms with the getfacl and setfacl programs.
  68     # Linux, FreeBSD, Solaris, Cygwin.
  69     if (setfacl --help >/dev/null) 2>/dev/null; then
  70       # Linux, Cygwin.
  71       if (LC_ALL=C setfacl --help | grep ' --set-file' >/dev/null) 2>/dev/null; then
  72         # Linux.
  73         acl_flavor=linux
  74       else
  75         acl_flavor=cygwin
  76       fi
  77     else
  78       # FreeBSD, Solaris.
  79       if (LC_ALL=C setfacl 2>&1 | grep '\-x entries' >/dev/null) 2>/dev/null; then
  80         # FreeBSD.
  81         acl_flavor=freebsd
  82       else
  83         # Solaris.
  84         acl_flavor=solaris
  85       fi
  86     fi
  87   else
  88     if (lsacl / >/dev/null) 2>/dev/null; then
  89       # Platforms with the lsacl and chacl programs.
  90       # HP-UX, sometimes also IRIX.
  91       if (getacl tmpfile0 >/dev/null) 2>/dev/null; then
  92         # HP-UX 11.11 or newer.
  93         acl_flavor=hpuxjfs
  94       else
  95         # HP-UX 11.00.
  96         acl_flavor=hpux
  97       fi
  98     else
  99       if (getacl tmpfile0 >/dev/null) 2>/dev/null; then
 100         # Tru64, NonStop Kernel.
 101         if (getacl -m tmpfile0 >/dev/null) 2>/dev/null; then
 102           # Tru64.
 103           acl_flavor=osf1
 104         else
 105           # NonStop Kernel.
 106           acl_flavor=nsk
 107         fi
 108       else
 109         if (aclget tmpfile0 >/dev/null) 2>/dev/null; then
 110           # AIX.
 111           acl_flavor=aix
 112         else
 113           if (fsaclctl -v >/dev/null) 2>/dev/null; then
 114             # Mac OS X.
 115             acl_flavor=macosx
 116           else
 117             if test -f /sbin/chacl; then
 118               # IRIX.
 119               acl_flavor=irix
 120             fi
 121           fi
 122         fi
 123       fi
 124     fi
 125   fi
 126
 127   if test $acl_flavor != none; then
 128     # A POSIX compliant 'id' program.
 129     if test -f /usr/xpg4/bin/id; then
 130       ID=/usr/xpg4/bin/id
 131     else
 132       ID=id
 133     fi
 134     # Use a user and group id different from the current one, to avoid
 135     # redundant/ambiguous ACLs.
 136     myuid=`$ID -u`
 137     mygid=`$ID -g`
 138     auid=1
 139     if test "$auid" = "$myuid"; then auid=2; fi
 140     agid=1
 141     if test "$agid" = "$mygid"; then agid=2; fi
 142   fi
 143
 144   for mode in 700 400 200 100 644 650 605 011 4700 2070; do
 145     rm -f tmpfile0 tmpfile1 tmpfile2
 146
 147     # Prepare a file with no ACL.
 148     echo "Anything" > tmpfile0
 149     # If a mode is not supported (e.g. 2070 on FreeBSD), we skip testing it.
 150     if chmod $mode tmpfile0 2>/dev/null; then
 151       modestring0=`ls -l tmpfile0 | dd ibs=1 count=10 2>/dev/null`
 152
 153       # Prepare a file with no ACL.
 154       echo "Some contents" > tmpfile1
 155       chmod 600 tmpfile1
 156
 157       # Try to set the ACL to only the given mode.
 158       "$builddir"/test-set-mode-acl${EXEEXT} tmpfile1 $mode
 159       # Verify that tmpfile1 has no ACL and has the desired mode.
 160       modestring=`ls -l tmpfile1 | dd ibs=1 count=10 2>/dev/null`
 161       if test "x$modestring" != "x$modestring0"; then
 162         echo "mode = $mode: tmpfile1 has wrong mode: $modestring" 1>&2
 163         exit 1
 164       fi
 165       if test `"$builddir"/test-file-has-acl${EXEEXT} tmpfile1` != no; then
 166         echo "mode = $mode: tmpfile1 got an ACL" 1>&2
 167         exit 1
 168       fi
 169
 170       if test $acl_flavor != none; then
 171
 172         # Prepare a file with an ACL.
 173         echo "Special contents" > tmpfile2
 174         chmod 600 tmpfile2
 175         # Set an ACL for a user (or group).
 176         case $acl_flavor in
 177           linux | freebsd | solaris)
 178             setfacl -m user:$auid:1 tmpfile0
 179             ;;
 180           cygwin)
 181             setfacl -m group:0:1 tmpfile0
 182             ;;
 183           hpux)
 184             orig=`lsacl tmpfile0 | sed -e 's/ tmpfile0$//'`
 185             chacl -r "${orig}($auid.%,--x)" tmpfile0
 186             ;;
 187           hpuxjfs)
 188             orig=`lsacl tmpfile0 | sed -e 's/ tmpfile0$//'`
 189             chacl -r "${orig}($auid.%,--x)" tmpfile0 \
 190               || setacl -m user:$auid:1 tmpfile0
 191             ;;
 192           osf1)
 193             setacl -u user:$auid:1 tmpfile0
 194             ;;
 195           nsk)
 196             setacl -m user:$auid:1 tmpfile0
 197             ;;
 198           aix)
 199             { aclget tmpfile0 | sed -e 's/disabled$/enabled/'; echo "        permit --x u:$auid"; } | aclput tmpfile0
 200             ;;
 201           macosx)
 202             /bin/chmod +a "user:daemon allow execute" tmpfile0
 203             ;;
 204           irix)
 205             /sbin/chacl user::rw-,group::---,other::---,user:$auid:--x tmpfile0
 206             ;;
 207         esac
 208
 209         # Try to set the ACL to only the given mode.
 210         "$builddir"/test-set-mode-acl${EXEEXT} tmpfile2 $mode
 211         # Verify that tmpfile2 has no ACL and has the desired mode.
 212         modestring=`ls -l tmpfile2 | dd ibs=1 count=10 2>/dev/null`
 213         if test "x$modestring" != "x$modestring0"; then
 214           echo "mode = $mode: tmpfile2 has wrong mode: $modestring" 1>&2
 215           exit 1
 216         fi
 217         if test `"$builddir"/test-file-has-acl${EXEEXT} tmpfile2` != no; then
 218           echo "mode = $mode: tmpfile2 still has an ACL" 1>&2
 219           exit 1
 220         fi
 221       fi
 222     fi
 223   done
 224
 225   rm -f tmpfile[0-9]
 226 ) || exit 1
 227
 228 rm -rf "$tmp"
 229 exit 0