2 # Verify that cp -p preserves GID when it is possible.
4 # Copyright (C) 2007-2012 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 .
"${srcdir=.}/init.sh"; path_prepend_ ..
/src
24 # Some of the tests expect a umask that grants group and/or world read access.
25 working_umask_or_skip_
27 # Record primary group number, usually 0.
28 # This is the group ID used when cp (without -p) creates a new file.
29 primary_group_num
=$
(id
-g)
32 echo "$1" > "$1" ||
exit 1
33 chown
"+$2:+$3" "$1" ||
exit 1
43 if test "x$s" != "x$u $g"; then
44 # Allow the actual group to match that of the parent directory
45 # (it was set to 0 above).
46 if test "x$s" = "x$u $primary_group_num"; then
49 echo "$0: $* $f b: $u $g != $s" 1>&2
55 nameless_uid
=`$PERL -le '
56 foreach my $i (1000..16*1024-1)
58 getpwuid $i or (print $i), exit
61 nameless_gid1
=`$PERL -le '
62 foreach my $i (1000..16*1024)
64 getgrgid $i or (print $i), exit
67 nameless_gid2
=`$PERL -le '
68 foreach my $i ('"$nameless_gid1"'+1..16*1024)
70 getgrgid $i or (print $i), exit
74 if test -z "$nameless_uid" \
75 ||
test -z "$nameless_gid1" \
76 ||
test -z "$nameless_gid2"; then
77 skip_
"couldn't find a nameless UID or GID"
80 chown
"+$nameless_uid:+0" .
83 create b0
"$nameless_uid" "$nameless_gid1"
84 create b1
"$nameless_uid" "$nameless_gid2"
85 create c0
0 "$nameless_gid1"
86 create c1
0 "$nameless_gid2"
95 t0 b0
"$nameless_uid" "$nameless_gid1" cp -p
96 t0 b1
"$nameless_uid" "$nameless_gid2" cp -p
97 t0 c0
0 "$nameless_gid1" cp -p
98 t0 c1
0 "$nameless_gid2" cp -p
100 # For the remaining tests, we need a cp binary that is accessible to a user
101 # with UID of $nameless_uid. The build directory may not be accessible,
102 # so create a temporary directory and copy cp into it, ensure that
103 # $nameless_uid can access it and then make that directory the search path.
105 cleanup_
() { rm -rf "$tmp_path"; }
107 # Cause mktemp to create a directory directly under /tmp.
108 # Setting TMPDIR explicitly is required here, in case $TMPDIR
109 # is not readable by our nameless IDs.
110 test -d /tmp
&& TMPDIR
=/tmp
111 tmp_path
=$
(mktemp
-d) || fail_
"failed to create temporary directory"
112 cp "$abs_path_dir_/cp" "$tmp_path"
113 chmod -R a
+rx
"$tmp_path"
120 setuidgid
-g "$nameless_gid1,$nameless_gid2" \
121 "$nameless_uid" env PATH
="$tmp_path" "$@"
124 t1 a0
"$nameless_uid" "$nameless_gid1" cp
125 t1 b0
"$nameless_uid" "$nameless_gid1" cp
126 t1 b1
"$nameless_uid" "$nameless_gid1" cp
127 t1 c0
"$nameless_uid" "$nameless_gid1" cp
128 t1 c1
"$nameless_uid" "$nameless_gid1" cp
130 t1 a0
"$nameless_uid" "$nameless_gid1" cp -p
131 t1 b0
"$nameless_uid" "$nameless_gid1" cp -p
132 t1 b1
"$nameless_uid" "$nameless_gid2" cp -p
133 t1 c0
"$nameless_uid" "$nameless_gid1" cp -p
134 t1 c1
"$nameless_uid" "$nameless_gid2" cp -p