4 my %Expect_File = (); # what we expect for $_
5 my %Expect_Name = (); # what we expect for $File::Find::name/fullname
6 my %Expect_Dir = (); # what we expect for $File::Find::dir
7 my ($cwd, $cwd_untainted);
13 unshift @INC => '../lib';
15 for (keys %ENV) { # untaint ENV
16 ($ENV{$_}) = $ENV{$_} =~ /(.*)/;
19 # Remove insecure directories from PATH
21 my $sep = $Config{path_sep};
22 foreach my $dir (split(/\Q$sep/,$ENV{'PATH'}))
25 ## Match the directory taint tests in mg.c::Perl_magic_setenv()
27 push(@path,$dir) unless (length($dir) >= 256
29 substr($dir,0,1) ne "/"
31 (stat $dir)[2] & 002);
33 $ENV{'PATH'} = join($sep,@path);
36 use Test::More tests => 45;
38 my $symlink_exists = eval { symlink("",""); 1 };
47 find({wanted => sub { $found = 1 if ($_ eq 'commonsense.t') },
48 untaint => 1, untaint_pattern => qr|^(.+)$|}, File::Spec->curdir);
50 ok($found, 'commonsense.t found');
53 finddepth({wanted => sub { $found = 1 if $_ eq 'commonsense.t'; },
54 untaint => 1, untaint_pattern => qr|^(.+)$|}, File::Spec->curdir);
56 ok($found, 'commonsense.t found again');
59 my $FastFileTests_OK = 0;
62 if (-d dir_path('for_find')) {
63 chdir(dir_path('for_find'));
65 if (-d dir_path('fa')) {
66 unlink file_path('fa', 'fa_ord'),
67 file_path('fa', 'fsl'),
68 file_path('fa', 'faa', 'faa_ord'),
69 file_path('fa', 'fab', 'fab_ord'),
70 file_path('fa', 'fab', 'faba', 'faba_ord'),
71 file_path('fb', 'fb_ord'),
72 file_path('fb', 'fba', 'fba_ord');
73 rmdir dir_path('fa', 'faa');
74 rmdir dir_path('fa', 'fab', 'faba');
75 rmdir dir_path('fa', 'fab');
77 rmdir dir_path('fb', 'fba');
79 chdir File::Spec->updir;
80 rmdir dir_path('for_find');
89 ok( open(my $T,'>',$_[0]), "Opened $_[0] successfully" );
93 ok( mkdir($_[0],$_[1]), "Created directory $_[0] successfully" );
97 print "# \$File::Find::dir => '$File::Find::dir'\n";
98 print "# \$_ => '$_'\n";
99 s#\.$## if ($^O eq 'VMS' && $_ ne '.');
100 ok( $Expect_File{$_}, "Expected and found $File::Find::name" );
101 if ( $FastFileTests_OK ) {
102 delete $Expect_File{ $_}
103 unless ( $Expect_Dir{$_} && ! -d _ );
105 delete $Expect_File{$_}
106 unless ( $Expect_Dir{$_} && ! -d $_ );
110 sub wanted_File_Dir_prune {
112 $File::Find::prune=1 if $_ eq 'faba';
116 print "# \$File::Find::dir => '$File::Find::dir'\n";
117 print "# \$_ => '$_'\n";
121 # Use dir_path() to specify a directory path that's expected for
122 # $File::Find::dir (%Expect_Dir). Also use it in file operations like
125 # dir_path() concatenates directory names to form a _relative_
126 # directory path, independant from the platform it's run on, although
127 # there are limitations. Don't try to create an absolute path,
128 # because that may fail on operating systems that have the concept of
129 # volume names (e.g. Mac OS). Be careful when you want to create an
130 # updir path like ../fa (Unix) or ::fa: (Mac OS). Plain directory
131 # names will work best. As a special case, you can pass it a "." as
132 # first argument, to create a directory path like "./fa/dir" on
133 # operating systems other than Mac OS (actually, Mac OS will ignore
134 # the ".", if it's the first argument). If there's no second argument,
135 # this function will return the empty string on Mac OS and the string
139 my $first_item = shift @_;
141 if ($first_item eq '.') {
142 if ($^O eq 'MacOS') {
144 # ignore first argument; return a relative path
145 # with leading ":" and with trailing ":"
146 return File::Spec->catdir("", @_);
148 return './' unless @_;
149 my $path = File::Spec->catdir(@_);
155 } else { # $first_item ne '.'
156 return $first_item unless @_; # return plain filename
157 if ($^O eq 'MacOS') {
158 # relative path with leading ":" and with trailing ":"
159 return File::Spec->catdir("", $first_item, @_);
161 return File::Spec->catdir($first_item, @_);
167 # Use topdir() to specify a directory path that you want to pass to
168 #find/finddepth Basically, topdir() does the same as dir_path() (see
169 #above), except that there's no trailing ":" on Mac OS.
172 my $path = dir_path(@_);
173 $path =~ s/:$// if ($^O eq 'MacOS');
178 # Use file_path() to specify a file path that's expected for $_ (%Expect_File).
179 # Also suitable for file operations like unlink etc.
181 # file_path() concatenates directory names (if any) and a filename to
182 # form a _relative_ file path (the last argument is assumed to be a
183 # file). It's independant from the platform it's run on, although
184 # there are limitations (see the warnings for dir_path() above). As a
185 # special case, you can pass it a "." as first argument, to create a
186 # file path like "./fa/file" on operating systems other than Mac OS
187 # (actually, Mac OS will ignore the ".", if it's the first
188 # argument). If there's no second argument, this function will return
189 # the empty string on Mac OS and the string "./" otherwise.
192 my $first_item = shift @_;
194 if ($first_item eq '.') {
195 if ($^O eq 'MacOS') {
197 # ignore first argument; return a relative path
198 # with leading ":", but without trailing ":"
199 return File::Spec->catfile("", @_);
201 return './' unless @_;
202 my $path = File::Spec->catfile(@_);
208 } else { # $first_item ne '.'
209 return $first_item unless @_; # return plain filename
210 if ($^O eq 'MacOS') {
211 # relative path with leading ":", but without trailing ":"
212 return File::Spec->catfile("", $first_item, @_);
214 return File::Spec->catfile($first_item, @_);
220 # Use file_path_name() to specify a file path that's expected for
221 # $File::Find::Name (%Expect_Name). Note: When the no_chdir => 1
222 # option is in effect, $_ is the same as $File::Find::Name. In that
223 # case, also use this function to specify a file path that's expected
226 # Basically, file_path_name() does the same as file_path() (see
227 # above), except that there's always a leading ":" on Mac OS, even for
228 # plain file/directory names.
231 my $path = file_path(@_);
232 $path = ":$path" if (($^O eq 'MacOS') && ($path !~ /:/));
237 MkDir( dir_path('for_find'), 0770 );
238 ok( chdir( dir_path('for_find')), 'successful chdir() to for_find' );
240 $cwd = cwd(); # save cwd
241 ( $cwd_untainted ) = $cwd =~ m|^(.+)$|; # untaint it
243 MkDir( dir_path('fa'), 0770 );
244 MkDir( dir_path('fb'), 0770 );
245 touch( file_path('fb', 'fb_ord') );
246 MkDir( dir_path('fb', 'fba'), 0770 );
247 touch( file_path('fb', 'fba', 'fba_ord') );
249 skip "Creating symlink", 1, unless $symlink_exists;
250 if ($^O eq 'MacOS') {
251 ok( symlink(':fb',':fa:fsl'), 'Created symbolic link' );
253 ok( symlink('../fb','fa/fsl'), 'Created symbolic link' );
256 touch( file_path('fa', 'fa_ord') );
258 MkDir( dir_path('fa', 'faa'), 0770 );
259 touch( file_path('fa', 'faa', 'faa_ord') );
260 MkDir( dir_path('fa', 'fab'), 0770 );
261 touch( file_path('fa', 'fab', 'fab_ord') );
262 MkDir( dir_path('fa', 'fab', 'faba'), 0770 );
263 touch( file_path('fa', 'fab', 'faba', 'faba_ord') );
265 print "# check untainting (no follow)\n";
267 # untainting here should work correctly
269 %Expect_File = (File::Spec->curdir => 1, file_path('fsl') =>
270 1,file_path('fa_ord') => 1, file_path('fab') => 1,
271 file_path('fab_ord') => 1, file_path('faba') => 1,
272 file_path('faa') => 1, file_path('faa_ord') => 1);
273 delete $Expect_File{ file_path('fsl') } unless $symlink_exists;
276 %Expect_Dir = ( dir_path('fa') => 1, dir_path('faa') => 1,
277 dir_path('fab') => 1, dir_path('faba') => 1,
278 dir_path('fb') => 1, dir_path('fba') => 1);
280 delete @Expect_Dir{ dir_path('fb'), dir_path('fba') } unless $symlink_exists;
282 File::Find::find( {wanted => \&wanted_File_Dir_prune, untaint => 1,
283 untaint_pattern => qr|^(.+)$|}, topdir('fa') );
285 is(scalar keys %Expect_File, 0, 'Found all expected files');
288 # don't untaint at all, should die
293 eval {File::Find::find( {wanted => \&simple_wanted}, topdir('fa') );};
294 like( $@, qr|Insecure dependency|, 'Tainted directory causes death (good)' );
295 chdir($cwd_untainted);
298 # untaint pattern doesn't match, should die
301 eval {File::Find::find( {wanted => \&simple_wanted, untaint => 1,
302 untaint_pattern => qr|^(NO_MATCH)$|},
305 like( $@, qr|is still tainted|, 'Bad untaint pattern causes death (good)' );
306 chdir($cwd_untainted);
309 # untaint pattern doesn't match, should die when we chdir to cwd
310 print "# check untaint_skip (No follow)\n";
313 eval {File::Find::find( {wanted => \&simple_wanted, untaint => 1,
314 untaint_skip => 1, untaint_pattern =>
315 qr|^(NO_MATCH)$|}, topdir('fa') );};
319 like( $@, qr|insecure cwd|, 'Bad untaint pattern causes death in cwd (good)' );
321 chdir($cwd_untainted);
325 skip "Symbolic link tests", 17, unless $symlink_exists;
326 print "# --- symbolic link tests --- \n";
327 $FastFileTests_OK= 1;
329 print "# check untainting (follow)\n";
331 # untainting here should work correctly
332 # no_chdir is in effect, hence we use file_path_name to specify the expected paths for %Expect_File
334 %Expect_File = (file_path_name('fa') => 1,
335 file_path_name('fa','fa_ord') => 1,
336 file_path_name('fa', 'fsl') => 1,
337 file_path_name('fa', 'fsl', 'fb_ord') => 1,
338 file_path_name('fa', 'fsl', 'fba') => 1,
339 file_path_name('fa', 'fsl', 'fba', 'fba_ord') => 1,
340 file_path_name('fa', 'fab') => 1,
341 file_path_name('fa', 'fab', 'fab_ord') => 1,
342 file_path_name('fa', 'fab', 'faba') => 1,
343 file_path_name('fa', 'fab', 'faba', 'faba_ord') => 1,
344 file_path_name('fa', 'faa') => 1,
345 file_path_name('fa', 'faa', 'faa_ord') => 1);
349 %Expect_Dir = (dir_path('fa') => 1,
350 dir_path('fa', 'faa') => 1,
351 dir_path('fa', 'fab') => 1,
352 dir_path('fa', 'fab', 'faba') => 1,
354 dir_path('fb', 'fba') => 1);
356 File::Find::find( {wanted => \&wanted_File_Dir, follow_fast => 1,
357 no_chdir => 1, untaint => 1, untaint_pattern =>
358 qr|^(.+)$| }, topdir('fa') );
360 is( scalar(keys %Expect_File), 0, 'Found all files in symlink test' );
363 # don't untaint at all, should die
366 eval {File::Find::find( {wanted => \&simple_wanted, follow => 1},
369 like( $@, qr|Insecure dependency|, 'Not untainting causes death (good)' );
370 chdir($cwd_untainted);
372 # untaint pattern doesn't match, should die
375 eval {File::Find::find( {wanted => \&simple_wanted, follow => 1,
376 untaint => 1, untaint_pattern =>
377 qr|^(NO_MATCH)$|}, topdir('fa') );};
379 like( $@, qr|is still tainted|, 'Bat untaint pattern causes death (good)' );
380 chdir($cwd_untainted);
382 # untaint pattern doesn't match, should die when we chdir to cwd
383 print "# check untaint_skip (Follow)\n";
386 eval {File::Find::find( {wanted => \&simple_wanted, untaint => 1,
387 untaint_skip => 1, untaint_pattern =>
388 qr|^(NO_MATCH)$|}, topdir('fa') );};
389 like( $@, qr|insecure cwd|, 'Cwd not untainted with bad pattern (good)' );
391 chdir($cwd_untainted);