| 1 | #!/bin/sh
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| 2 |
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| 3 | # Show all commands when run with environment variable VERBOSE=yes.
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| 4 | test -z "$VERBOSE" || set -x
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| 5 |
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| 6 | test "$USE_ACL" = 0 &&
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| 7 | {
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| 8 | echo "Skipping test: insufficient ACL support"
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| 9 | exit 77
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| 10 | }
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| 11 |
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| 12 | # func_tmpdir
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| 13 | # creates a temporary directory.
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| 14 | # Sets variable
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| 15 | # - tmp pathname of freshly created temporary directory
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| 16 | func_tmpdir ()
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| 17 | {
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| 18 | # Use the environment variable TMPDIR, falling back to /tmp. This allows
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| 19 | # users to specify a different temporary directory, for example, if their
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| 20 | # /tmp is filled up or too small.
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| 21 | : "${TMPDIR=/tmp}"
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| 22 | {
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| 23 | # Use the mktemp program if available. If not available, hide the error
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| 24 | # message.
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| 25 | tmp=`(umask 077 && mktemp -d "$TMPDIR/glXXXXXX") 2>/dev/null` &&
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| 26 | test -n "$tmp" && test -d "$tmp"
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| 27 | } ||
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| 28 | {
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| 29 | # Use a simple mkdir command. It is guaranteed to fail if the directory
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| 30 | # already exists. $RANDOM is bash specific and expands to empty in shells
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| 31 | # other than bash, ksh and zsh. Its use does not increase security;
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| 32 | # rather, it minimizes the probability of failure in a very cluttered /tmp
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| 33 | # directory.
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| 34 | tmp=$TMPDIR/gl$$-$RANDOM
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| 35 | (umask 077 && mkdir "$tmp")
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| 36 | } ||
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| 37 | {
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| 38 | echo "$0: cannot create a temporary directory in $TMPDIR" >&2
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| 39 | exit 1
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| 40 | }
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| 41 | }
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| 42 |
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| 43 | func_tmpdir
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| 44 | # builddir may already be set by the script that invokes this one.
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| 45 | case "$builddir" in
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| 46 | '') builddir=`pwd` ;;
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| 47 | /* | ?:*) ;;
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| 48 | *) builddir=`pwd`/$builddir ;;
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| 49 | esac
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| 50 | cd "$builddir" ||
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| 51 | {
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| 52 | echo "$0: cannot determine build directory (unreadable parent dir?)" >&2
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| 53 | exit 1
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| 54 | }
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| 55 | # Switch to a temporary directory, to increase the likelihood that ACLs are
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| 56 | # supported on the current file system. (/tmp is usually locally mounted,
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| 57 | # whereas the build dir is sometimes NFS-mounted.)
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| 58 | ( cd "$tmp"
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| 59 |
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| 60 | # Prepare tmpfile0.
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| 61 | rm -f tmpfile[0-9] tmp.err
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| 62 | echo "Simple contents" > tmpfile0
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| 63 | chmod 600 tmpfile0
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| 64 |
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| 65 | # Classification of the platform according to the programs available for
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| 66 | # manipulating ACLs.
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| 67 | # Possible values are:
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| 68 | # linux, cygwin, freebsd, solaris, hpux, hpuxjfs, osf1, aix, macosx, irix, none.
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| 69 | # TODO: Support also native Windows platforms (mingw).
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| 70 | acl_flavor=none
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| 71 | if (getfacl tmpfile0 >/dev/null) 2>/dev/null; then
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| 72 | # Platforms with the getfacl and setfacl programs.
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| 73 | # Linux, FreeBSD, Solaris, Cygwin.
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| 74 | if (setfacl --help >/dev/null) 2>/dev/null; then
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| 75 | # Linux, Cygwin.
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| 76 | if (LC_ALL=C setfacl --help | grep ' --set-file' >/dev/null) 2>/dev/null; then
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| 77 | # Linux.
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| 78 | acl_flavor=linux
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| 79 | else
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| 80 | acl_flavor=cygwin
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| 81 | fi
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| 82 | else
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| 83 | # FreeBSD, Solaris.
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| 84 | if (LC_ALL=C setfacl 2>&1 | grep '\-x entries' >/dev/null) 2>/dev/null; then
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| 85 | # FreeBSD.
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| 86 | acl_flavor=freebsd
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| 87 | else
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| 88 | # Solaris.
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| 89 | acl_flavor=solaris
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| 90 | fi
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| 91 | fi
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| 92 | else
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| 93 | if (lsacl / >/dev/null) 2>/dev/null; then
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| 94 | # Platforms with the lsacl and chacl programs.
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| 95 | # HP-UX, sometimes also IRIX.
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| 96 | if (getacl tmpfile0 >/dev/null) 2>/dev/null; then
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| 97 | # HP-UX 11.11 or newer.
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| 98 | acl_flavor=hpuxjfs
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| 99 | else
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| 100 | # HP-UX 11.00.
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| 101 | acl_flavor=hpux
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| 102 | fi
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| 103 | else
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| 104 | if (getacl tmpfile0 >/dev/null) 2>/dev/null; then
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| 105 | # Tru64, NonStop Kernel.
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| 106 | if (getacl -m tmpfile0 >/dev/null) 2>/dev/null; then
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| 107 | # Tru64.
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| 108 | acl_flavor=osf1
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| 109 | else
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| 110 | # NonStop Kernel.
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| 111 | acl_flavor=nsk
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| 112 | fi
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| 113 | else
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| 114 | if (aclget tmpfile0 >/dev/null) 2>/dev/null; then
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| 115 | # AIX.
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| 116 | acl_flavor=aix
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| 117 | else
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| 118 | if (fsaclctl -v >/dev/null) 2>/dev/null; then
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| 119 | # Mac OS X.
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| 120 | acl_flavor=macosx
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| 121 | else
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| 122 | if test -f /sbin/chacl; then
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| 123 | # IRIX.
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| 124 | acl_flavor=irix
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| 125 | fi
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| 126 | fi
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| 127 | fi
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| 128 | fi
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| 129 | fi
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| 130 | fi
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| 131 |
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| 132 | # func_test_file_has_acl file expected
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| 133 | # tests the result of the file_has_acl function on file, and checks that it
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| 134 | # matches the expected value.
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| 135 | func_test_file_has_acl ()
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| 136 | {
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| 137 | res=`${CHECKER} "$builddir"/test-file-has-acl${EXEEXT} "$1"`
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| 138 | test "$res" = "$2" || {
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| 139 | echo "file_has_acl(\"$1\") returned $res, expected $2" 1>&2
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| 140 | exit 1
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | # func_test_has_acl file expected
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| 145 | # tests the result of the file_has_acl function on file, and checks that it
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| 146 | # matches the expected value, also taking into account the system's 'ls'
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| 147 | # program.
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| 148 | case $acl_flavor in
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| 149 | freebsd | solaris | hpux | macosx)
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| 150 | case $acl_flavor in
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| 151 | freebsd | solaris | hpux) acl_ls_option="-ld" ;;
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| 152 | macosx) acl_ls_option="-lde" ;;
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| 153 | esac
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| 154 | func_test_has_acl ()
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| 155 | {
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| 156 | func_test_file_has_acl "$1" "$2"
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| 157 | case `/bin/ls $acl_ls_option "$1" | sed 1q` in
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| 158 | ??????????+*)
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| 159 | test "$2" = yes || {
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| 160 | echo "/bin/ls $acl_ls_option $1 shows an ACL, but expected $2" 1>&2
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| 161 | exit 1
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| 162 | }
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| 163 | ;;
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| 164 | ??????????" "*)
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| 165 | test "$2" = no || {
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| 166 | echo "/bin/ls $acl_ls_option $1 shows no ACL, but expected $2" 1>&2
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| 167 | exit 1
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| 168 | }
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| 169 | ;;
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| 170 | esac
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| 171 | }
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| 172 | ;;
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| 173 | irix)
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| 174 | func_test_has_acl ()
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| 175 | {
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| 176 | func_test_file_has_acl "$1" "$2"
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| 177 | case `/bin/ls -ldD "$1" | sed 1q` in
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| 178 | *" []")
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| 179 | test "$2" = no || {
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| 180 | echo "/bin/ls -ldD $1 shows no ACL, but expected $2" 1>&2
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| 181 | exit 1
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| 182 | }
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| 183 | ;;
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| 184 | *)
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| 185 | test "$2" = yes || {
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| 186 | echo "/bin/ls -ldD $1 shows an ACL, but expected $2" 1>&2
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| 187 | exit 1
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| 188 | }
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| 189 | ;;
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| 190 | esac
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| 191 | }
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| 192 | ;;
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| 193 | *)
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| 194 | func_test_has_acl ()
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| 195 | {
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| 196 | func_test_file_has_acl "$1" "$2"
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| 197 | }
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| 198 | ;;
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| 199 | esac
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| 200 |
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| 201 | func_test_has_acl tmpfile0 no
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| 202 |
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| 203 | mkdir tmpdir0
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| 204 | func_test_has_acl tmpdir0 no
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| 205 |
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| 206 | if test $acl_flavor != none; then
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| 207 | # A POSIX compliant 'id' program.
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| 208 | if test -f /usr/xpg4/bin/id; then
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| 209 | ID=/usr/xpg4/bin/id
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| 210 | else
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| 211 | ID=id
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| 212 | fi
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| 213 | # Use a user and group id different from the current one, to avoid
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| 214 | # redundant/ambiguous ACLs.
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| 215 | myuid=`$ID -u`
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| 216 | mygid=`$ID -g`
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| 217 | auid=1
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| 218 | if test "$auid" = "$myuid"; then auid=2; fi
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| 219 | agid=1
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| 220 | if test "$agid" = "$mygid"; then agid=2; fi
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| 221 |
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| 222 | case $acl_flavor in
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| 223 | linux | freebsd | solaris)
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| 224 |
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| 225 | # Set an ACL for a user.
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| 226 | if setfacl -m user:$auid:1 tmpfile0; then
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| 227 |
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| 228 | func_test_has_acl tmpfile0 yes
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| 229 |
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| 230 | # Remove the ACL for the user.
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| 231 | case $acl_flavor in
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| 232 | linux) setfacl -x user:$auid tmpfile0 ;;
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| 233 | freebsd) setfacl -x user:$auid:1 tmpfile0 ;;
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| 234 | *) setfacl -d user:$auid:1 tmpfile0 ;;
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| 235 | esac
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| 236 |
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| 237 | # On Linux and FreeBSD, the ACL for the mask is implicitly added.
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| 238 | # On Solaris, it is always there.
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| 239 | case $acl_flavor in
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| 240 | linux | freebsd) func_test_has_acl tmpfile0 yes ;;
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| 241 | *) func_test_has_acl tmpfile0 no ;;
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| 242 | esac
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| 243 |
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| 244 | # Remove the ACL for the mask, if it was implicitly added.
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| 245 | case $acl_flavor in
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| 246 | linux | freebsd) setfacl -x mask: tmpfile0 ;;
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| 247 | *) setfacl -d mask: tmpfile0 ;;
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| 248 | esac
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| 249 |
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| 250 | func_test_has_acl tmpfile0 no
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| 251 |
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| 252 | fi
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| 253 | ;;
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| 254 |
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| 255 | cygwin)
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| 256 |
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| 257 | # Set an ACL for a group.
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| 258 | if setfacl -m group:0:1 tmpfile0; then
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| 259 |
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| 260 | func_test_has_acl tmpfile0 yes
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| 261 |
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| 262 | # Remove the ACL for the group.
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| 263 | setfacl -d group:0 tmpfile0
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| 264 |
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| 265 | func_test_has_acl tmpfile0 no
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| 266 |
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| 267 | fi
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| 268 | ;;
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| 269 |
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| 270 | hpux | hpuxjfs)
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| 271 |
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| 272 | # Set an ACL for a user.
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| 273 | orig=`lsacl tmpfile0 | sed -e 's/ tmpfile0$//'`
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| 274 | if chacl -r "${orig}($auid.%,--x)" tmpfile0; then
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| 275 |
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| 276 | func_test_has_acl tmpfile0 yes
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| 277 |
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| 278 | # Remove the ACL for the user.
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| 279 | chacl -d "($auid.%,--x)" tmpfile0
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| 280 |
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| 281 | func_test_has_acl tmpfile0 no
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| 282 |
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| 283 | else
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| 284 | if test $acl_flavor = hpuxjfs; then
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| 285 |
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| 286 | # Set an ACL for a user.
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| 287 | setacl -m user:$auid:1 tmpfile0
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| 288 |
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| 289 | func_test_has_acl tmpfile0 yes
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| 290 |
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| 291 | # Remove the ACL for the user.
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| 292 | setacl -d user:$auid tmpfile0
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| 293 |
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| 294 | func_test_has_acl tmpfile0 no
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| 295 |
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| 296 | fi
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| 297 | fi
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| 298 | ;;
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| 299 |
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| 300 | osf1)
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| 301 |
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| 302 | # Set an ACL for a user.
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| 303 | setacl -u user:$auid:1 tmpfile0 2> tmp.err
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| 304 | cat tmp.err 1>&2
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| 305 | if grep 'Error:' tmp.err > /dev/null \
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| 306 | || grep 'Operation not supported' tmp.err > /dev/null; then
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| 307 | :
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| 308 | else
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| 309 |
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| 310 | func_test_has_acl tmpfile0 yes
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| 311 |
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| 312 | # Remove the ACL for the user.
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| 313 | setacl -x user:$auid:1 tmpfile0
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| 314 |
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| 315 | func_test_has_acl tmpfile0 no
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| 316 |
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| 317 | fi
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| 318 | ;;
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| 319 |
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| 320 | nsk)
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| 321 |
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| 322 | # Set an ACL for a user.
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| 323 | setacl -m user:$auid:1 tmpfile0
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| 324 |
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| 325 | func_test_has_acl tmpfile0 yes
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| 326 |
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| 327 | # Remove the ACL for the user.
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| 328 | setacl -d user:$auid tmpfile0
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| 329 |
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| 330 | func_test_has_acl tmpfile0 no
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| 331 |
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| 332 | ;;
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| 333 |
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| 334 | aix)
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| 335 |
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| 336 | # Set an ACL for a user.
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| 337 | { aclget tmpfile0 | sed -e 's/disabled$/enabled/'; echo " permit --x u:$auid"; } | aclput tmpfile0
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| 338 | if aclget tmpfile0 | grep enabled > /dev/null; then
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| 339 |
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| 340 | func_test_has_acl tmpfile0 yes
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| 341 |
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| 342 | # Remove the ACL for the user.
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| 343 | aclget tmpfile0 | grep -v ' u:[^ ]*$' | aclput tmpfile0
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| 344 |
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| 345 | func_test_has_acl tmpfile0 no
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| 346 |
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| 347 | fi
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| 348 | ;;
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| 349 |
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| 350 | macosx)
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| 351 |
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| 352 | # Set an ACL for a user.
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| 353 | /bin/chmod +a "user:daemon allow execute" tmpfile0
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| 354 |
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| 355 | func_test_has_acl tmpfile0 yes
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| 356 |
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| 357 | # Remove the ACL for the user.
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| 358 | /bin/chmod -a "user:daemon allow execute" tmpfile0
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| 359 |
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| 360 | func_test_has_acl tmpfile0 no
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| 361 |
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| 362 | ;;
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| 363 |
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| 364 | irix)
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| 365 |
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| 366 | # Set an ACL for a user.
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| 367 | /sbin/chacl user::rw-,group::---,other::---,user:$auid:--x tmpfile0 2> tmp.err
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| 368 | cat tmp.err 1>&2
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| 369 | if test -s tmp.err; then :; else
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| 370 |
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| 371 | func_test_has_acl tmpfile0 yes
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| 372 |
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| 373 | # Remove the ACL for the user.
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| 374 | /sbin/chacl user::rw-,group::---,other::--- tmpfile0
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| 375 |
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| 376 | func_test_has_acl tmpfile0 no
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| 377 |
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| 378 | fi
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| 379 | ;;
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| 380 |
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| 381 | esac
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| 382 | fi
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| 383 |
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| 384 | rm -f tmpfile[0-9] tmp.err
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| 385 | rm -rf tmpdir0
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| 386 | ) || exit 1
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| 387 |
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| 388 | rm -rf "$tmp"
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| 389 | exit 0
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