Commit | Line | Data |
1e422769 |
1 | #!./perl -T |
2 | # |
3 | # Taint tests by Tom Phoenix <rootbeer@teleport.com>. |
4 | # |
5 | # I don't claim to know all about tainting. If anyone sees |
9607fc9c |
6 | # tests that I've missed here, please add them. But this is |
1e422769 |
7 | # better than having no tests at all, right? |
8 | # |
9 | |
10 | BEGIN { |
11 | chdir 't' if -d 't'; |
20822f61 |
12 | @INC = '../lib'; |
1e422769 |
13 | } |
14 | |
15 | use strict; |
16 | use Config; |
dc459aad |
17 | use File::Spec::Functions; |
1e422769 |
18 | |
23634c10 |
19 | my $total_tests = 236; |
7c36658b |
20 | my $test = 177; |
1d662fb6 |
21 | sub ok ($;$) { |
7c36658b |
22 | my($ok, $name) = @_; |
23 | |
24 | # You have to do it this way or VMS will get confused. |
25 | print $ok ? "ok $test - $name\n" : "not ok $test - $name\n"; |
26 | |
27 | printf "# Failed test at line %d\n", (caller)[2] unless $ok; |
28 | |
29 | $test++; |
30 | return $ok; |
31 | } |
32 | |
33 | |
0ecd3ba2 |
34 | $| = 1; |
35 | |
c9f931b8 |
36 | use vars qw($ipcsysv); # did we manage to load IPC::SysV? |
37 | |
3eeba6fb |
38 | BEGIN { |
39 | if ($^O eq 'VMS' && !defined($Config{d_setenv})) { |
40 | $ENV{PATH} = $ENV{PATH}; |
41 | $ENV{TERM} = $ENV{TERM} ne ''? $ENV{TERM} : 'dummy'; |
42 | } |
be3174d2 |
43 | if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ |
44 | && ($Config{d_shm} || $Config{d_msg})) { |
c9f931b8 |
45 | eval { require IPC::SysV }; |
46 | unless ($@) { |
47 | $ipcsysv++; |
ddc3217d |
48 | IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU IPC_NOWAIT)); |
c9f931b8 |
49 | } |
b9d1c439 |
50 | } |
3eeba6fb |
51 | } |
52 | |
dc459aad |
53 | my $Is_MacOS = $^O eq 'MacOS'; |
1e422769 |
54 | my $Is_VMS = $^O eq 'VMS'; |
68dc0745 |
55 | my $Is_MSWin32 = $^O eq 'MSWin32'; |
2986a63f |
56 | my $Is_NetWare = $^O eq 'NetWare'; |
39e571d4 |
57 | my $Is_Dos = $^O eq 'dos'; |
343d3f38 |
58 | my $Is_Cygwin = $^O eq 'cygwin'; |
68dc0745 |
59 | my $Invoke_Perl = $Is_VMS ? 'MCR Sys$Disk:[]Perl.' : |
2986a63f |
60 | ($Is_MSWin32 ? '.\perl' : |
dc459aad |
61 | $Is_MacOS ? ':perl' : |
2986a63f |
62 | ($Is_NetWare ? 'perl' : './perl')); |
c90c0ff4 |
63 | my @MoreEnv = qw/IFS CDPATH ENV BASH_ENV/; |
7bac28a0 |
64 | |
1e422769 |
65 | if ($Is_VMS) { |
7bac28a0 |
66 | my (%old, $x); |
67 | for $x ('DCL$PATH', @MoreEnv) { |
68 | ($old{$x}) = $ENV{$x} =~ /^(.*)$/ if exists $ENV{$x}; |
69 | } |
1e422769 |
70 | eval <<EndOfCleanup; |
71 | END { |
3eeba6fb |
72 | \$ENV{PATH} = '' if $Config{d_setenv}; |
1e422769 |
73 | warn "# Note: logical name 'PATH' may have been deleted\n"; |
562a7b0c |
74 | \@ENV{keys %old} = values %old; |
1e422769 |
75 | } |
76 | EndOfCleanup |
77 | } |
78 | |
79 | # Sources of taint: |
80 | # The empty tainted value, for tainting strings |
81 | my $TAINT = substr($^X, 0, 0); |
82 | # A tainted zero, useful for tainting numbers |
83 | my $TAINT0 = 0 + $TAINT; |
84 | |
85 | # This taints each argument passed. All must be lvalues. |
86 | # Side effect: It also stringifies them. :-( |
87 | sub taint_these (@) { |
88 | for (@_) { $_ .= $TAINT } |
89 | } |
90 | |
91 | # How to identify taint when you see it |
92 | sub any_tainted (@) { |
93 | not eval { join("",@_), kill 0; 1 }; |
94 | } |
95 | sub tainted ($) { |
96 | any_tainted @_; |
97 | } |
98 | sub all_tainted (@) { |
99 | for (@_) { return 0 unless tainted $_ } |
100 | 1; |
101 | } |
102 | |
103 | sub test ($$;$) { |
104 | my($serial, $boolean, $diag) = @_; |
105 | if ($boolean) { |
106 | print "ok $serial\n"; |
107 | } else { |
108 | print "not ok $serial\n"; |
109 | for (split m/^/m, $diag) { |
110 | print "# $_"; |
111 | } |
9607fc9c |
112 | print "\n" unless |
1e422769 |
113 | $diag eq '' |
114 | or substr($diag, -1) eq "\n"; |
115 | } |
116 | } |
117 | |
118 | # We need an external program to call. |
dc459aad |
119 | my $ECHO = ($Is_MSWin32 ? ".\\echo$$" : $Is_MacOS ? ":echo$$" : ($Is_NetWare ? "echo$$" : "./echo$$")); |
1e422769 |
120 | END { unlink $ECHO } |
121 | open PROG, "> $ECHO" or die "Can't create $ECHO: $!"; |
122 | print PROG 'print "@ARGV\n"', "\n"; |
123 | close PROG; |
124 | my $echo = "$Invoke_Perl $ECHO"; |
125 | |
dc459aad |
126 | my $TEST = catfile(curdir(), 'TEST'); |
127 | |
23634c10 |
128 | print "1..$total_tests\n"; |
1e422769 |
129 | |
130 | # First, let's make sure that Perl is checking the dangerous |
131 | # environment variables. Maybe they aren't set yet, so we'll |
132 | # taint them ourselves. |
133 | { |
134 | $ENV{'DCL$PATH'} = '' if $Is_VMS; |
135 | |
7bac28a0 |
136 | $ENV{PATH} = ''; |
c90c0ff4 |
137 | delete @ENV{@MoreEnv}; |
7bac28a0 |
138 | $ENV{TERM} = 'dumb'; |
139 | |
8852b6d2 |
140 | if ($Is_Cygwin && ! -f 'cygwin1.dll') { |
343d3f38 |
141 | system("/usr/bin/cp /usr/bin/cygwin1.dll .") && |
142 | die "$0: failed to cp cygwin1.dll: $!\n"; |
cef9cd04 |
143 | eval q{ |
144 | END { unlink "cygwin1.dll" } |
145 | }; |
146 | } |
147 | |
148 | if ($Is_Cygwin && ! -f 'cygcrypt-0.dll' && -f '/usr/bin/cygcrypt-0.dll') { |
149 | system("/usr/bin/cp /usr/bin/cygcrypt-0.dll .") && |
150 | die "$0: failed to cp cygcrypt-0.dll: $!\n"; |
151 | eval q{ |
152 | END { unlink "cygcrypt-0.dll" } |
153 | }; |
343d3f38 |
154 | } |
155 | |
7bac28a0 |
156 | test 1, eval { `$echo 1` } eq "1\n"; |
157 | |
dc459aad |
158 | if ($Is_MSWin32 || $Is_NetWare || $Is_VMS || $Is_Dos || $Is_MacOS) { |
7bac28a0 |
159 | print "# Environment tainting tests skipped\n"; |
c90c0ff4 |
160 | for (2..5) { print "ok $_\n" } |
5aabfad6 |
161 | } |
162 | else { |
7bac28a0 |
163 | my @vars = ('PATH', @MoreEnv); |
164 | while (my $v = $vars[0]) { |
165 | local $ENV{$v} = $TAINT; |
166 | last if eval { `$echo 1` }; |
167 | last unless $@ =~ /^Insecure \$ENV{$v}/; |
168 | shift @vars; |
169 | } |
170 | test 2, !@vars, "\$$vars[0]"; |
c90c0ff4 |
171 | |
172 | # tainted $TERM is unsafe only if it contains metachars |
173 | local $ENV{TERM}; |
174 | $ENV{TERM} = 'e=mc2'; |
175 | test 3, eval { `$echo 1` } eq "1\n"; |
176 | $ENV{TERM} = 'e=mc2' . $TAINT; |
177 | test 4, eval { `$echo 1` } eq ''; |
178 | test 5, $@ =~ /^Insecure \$ENV{TERM}/, $@; |
5aabfad6 |
179 | } |
7bac28a0 |
180 | |
9607fc9c |
181 | my $tmp; |
2986a63f |
182 | if ($^O eq 'os2' || $^O eq 'amigaos' || $Is_MSWin32 || $Is_NetWare || $Is_Dos) { |
48c036b1 |
183 | print "# all directories are writeable\n"; |
184 | } |
185 | else { |
9607fc9c |
186 | $tmp = (grep { defined and -d and (stat _)[2] & 2 } |
099f76bb |
187 | qw(sys$scratch /tmp /var/tmp /usr/tmp), |
9607fc9c |
188 | @ENV{qw(TMP TEMP)})[0] |
189 | or print "# can't find world-writeable directory to test PATH\n"; |
190 | } |
191 | |
385588b3 |
192 | if ($tmp) { |
7bac28a0 |
193 | local $ENV{PATH} = $tmp; |
c90c0ff4 |
194 | test 6, eval { `$echo 1` } eq ''; |
195 | test 7, $@ =~ /^Insecure directory in \$ENV{PATH}/, $@; |
1e422769 |
196 | } |
197 | else { |
fac76ed7 |
198 | for (6..7) { print "ok $_ # Skipped: all directories are writeable\n" } |
1e422769 |
199 | } |
200 | |
1e422769 |
201 | if ($Is_VMS) { |
202 | $ENV{'DCL$PATH'} = $TAINT; |
c90c0ff4 |
203 | test 8, eval { `$echo 1` } eq ''; |
204 | test 9, $@ =~ /^Insecure \$ENV{DCL\$PATH}/, $@; |
9607fc9c |
205 | if ($tmp) { |
206 | $ENV{'DCL$PATH'} = $tmp; |
c90c0ff4 |
207 | test 10, eval { `$echo 1` } eq ''; |
208 | test 11, $@ =~ /^Insecure directory in \$ENV{DCL\$PATH}/, $@; |
9607fc9c |
209 | } |
210 | else { |
fac76ed7 |
211 | for (10..11) { print "ok $_ # Skipped: can't find world-writeable directory to test DCL\$PATH\n" } |
9607fc9c |
212 | } |
1e422769 |
213 | $ENV{'DCL$PATH'} = ''; |
214 | } |
215 | else { |
fac76ed7 |
216 | for (8..11) { print "ok $_ # Skipped: This is not VMS\n"; } |
1e422769 |
217 | } |
218 | } |
219 | |
220 | # Let's see that we can taint and untaint as needed. |
221 | { |
222 | my $foo = $TAINT; |
c90c0ff4 |
223 | test 12, tainted $foo; |
9607fc9c |
224 | |
225 | # That was a sanity check. If it failed, stop the insanity! |
226 | die "Taint checks don't seem to be enabled" unless tainted $foo; |
1e422769 |
227 | |
228 | $foo = "foo"; |
c90c0ff4 |
229 | test 13, not tainted $foo; |
1e422769 |
230 | |
231 | taint_these($foo); |
c90c0ff4 |
232 | test 14, tainted $foo; |
1e422769 |
233 | |
234 | my @list = 1..10; |
c90c0ff4 |
235 | test 15, not any_tainted @list; |
1e422769 |
236 | taint_these @list[1,3,5,7,9]; |
c90c0ff4 |
237 | test 16, any_tainted @list; |
238 | test 17, all_tainted @list[1,3,5,7,9]; |
239 | test 18, not any_tainted @list[0,2,4,6,8]; |
1e422769 |
240 | |
241 | ($foo) = $foo =~ /(.+)/; |
c90c0ff4 |
242 | test 19, not tainted $foo; |
1e422769 |
243 | |
244 | $foo = $1 if ('bar' . $TAINT) =~ /(.+)/; |
c90c0ff4 |
245 | test 20, not tainted $foo; |
246 | test 21, $foo eq 'bar'; |
1e422769 |
247 | |
b3eb6a9b |
248 | { |
249 | use re 'taint'; |
250 | |
251 | ($foo) = ('bar' . $TAINT) =~ /(.+)/; |
252 | test 22, tainted $foo; |
253 | test 23, $foo eq 'bar'; |
254 | |
255 | $foo = $1 if ('bar' . $TAINT) =~ /(.+)/; |
256 | test 24, tainted $foo; |
257 | test 25, $foo eq 'bar'; |
258 | } |
259 | |
260 | $foo = $1 if 'bar' =~ /(.+)$TAINT/; |
261 | test 26, tainted $foo; |
262 | test 27, $foo eq 'bar'; |
48c036b1 |
263 | |
1e422769 |
264 | my $pi = 4 * atan2(1,1) + $TAINT0; |
b3eb6a9b |
265 | test 28, tainted $pi; |
1e422769 |
266 | |
267 | ($pi) = $pi =~ /(\d+\.\d+)/; |
b3eb6a9b |
268 | test 29, not tainted $pi; |
269 | test 30, sprintf("%.5f", $pi) eq '3.14159'; |
1e422769 |
270 | } |
271 | |
272 | # How about command-line arguments? The problem is that we don't |
273 | # always get some, so we'll run another process with some. |
dc459aad |
274 | SKIP: { |
275 | my $arg = catfile(curdir(), "arg$$"); |
1e422769 |
276 | open PROG, "> $arg" or die "Can't create $arg: $!"; |
277 | print PROG q{ |
278 | eval { join('', @ARGV), kill 0 }; |
279 | exit 0 if $@ =~ /^Insecure dependency/; |
280 | print "# Oops: \$@ was [$@]\n"; |
281 | exit 1; |
282 | }; |
283 | close PROG; |
284 | print `$Invoke_Perl "-T" $arg and some suspect arguments`; |
b3eb6a9b |
285 | test 31, !$?, "Exited with status $?"; |
1e422769 |
286 | unlink $arg; |
287 | } |
288 | |
289 | # Reading from a file should be tainted |
290 | { |
dc459aad |
291 | test 32, open(FILE, $TEST), "Couldn't open '$TEST': $!"; |
1e422769 |
292 | |
293 | my $block; |
294 | sysread(FILE, $block, 100); |
9607fc9c |
295 | my $line = <FILE>; |
1e422769 |
296 | close FILE; |
b3eb6a9b |
297 | test 33, tainted $block; |
298 | test 34, tainted $line; |
1e422769 |
299 | } |
300 | |
c90c0ff4 |
301 | # Globs should be forbidden, except under VMS, |
302 | # which doesn't spawn an external program. |
72b16652 |
303 | if (1 # built-in glob |
304 | or $Is_VMS) { |
b3eb6a9b |
305 | for (35..36) { print "ok $_\n"; } |
c90c0ff4 |
306 | } |
307 | else { |
7bac28a0 |
308 | my @globs = eval { <*> }; |
b3eb6a9b |
309 | test 35, @globs == 0 && $@ =~ /^Insecure dependency/; |
1e422769 |
310 | |
7bac28a0 |
311 | @globs = eval { glob '*' }; |
b3eb6a9b |
312 | test 36, @globs == 0 && $@ =~ /^Insecure dependency/; |
1e422769 |
313 | } |
314 | |
315 | # Output of commands should be tainted |
316 | { |
317 | my $foo = `$echo abc`; |
b3eb6a9b |
318 | test 37, tainted $foo; |
1e422769 |
319 | } |
320 | |
321 | # Certain system variables should be tainted |
322 | { |
b3eb6a9b |
323 | test 38, all_tainted $^X, $0; |
1e422769 |
324 | } |
325 | |
326 | # Results of matching should all be untainted |
327 | { |
328 | my $foo = "abcdefghi" . $TAINT; |
b3eb6a9b |
329 | test 39, tainted $foo; |
1e422769 |
330 | |
331 | $foo =~ /def/; |
b3eb6a9b |
332 | test 40, not any_tainted $`, $&, $'; |
1e422769 |
333 | |
334 | $foo =~ /(...)(...)(...)/; |
b3eb6a9b |
335 | test 41, not any_tainted $1, $2, $3, $+; |
1e422769 |
336 | |
337 | my @bar = $foo =~ /(...)(...)(...)/; |
b3eb6a9b |
338 | test 42, not any_tainted @bar; |
1e422769 |
339 | |
b3eb6a9b |
340 | test 43, tainted $foo; # $foo should still be tainted! |
341 | test 44, $foo eq "abcdefghi"; |
1e422769 |
342 | } |
343 | |
344 | # Operations which affect files can't use tainted data. |
345 | { |
b3eb6a9b |
346 | test 45, eval { chmod 0, $TAINT } eq '', 'chmod'; |
347 | test 46, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
348 | |
9607fc9c |
349 | # There is no feature test in $Config{} for truncate, |
350 | # so we allow for the possibility that it's missing. |
b3eb6a9b |
351 | test 47, eval { truncate 'NoSuChFiLe', $TAINT0 } eq '', 'truncate'; |
352 | test 48, $@ =~ /^(?:Insecure dependency|truncate not implemented)/, $@; |
1e422769 |
353 | |
b3eb6a9b |
354 | test 49, eval { rename '', $TAINT } eq '', 'rename'; |
355 | test 50, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
356 | |
b3eb6a9b |
357 | test 51, eval { unlink $TAINT } eq '', 'unlink'; |
358 | test 52, $@ =~ /^Insecure dependency/, $@; |
9607fc9c |
359 | |
b3eb6a9b |
360 | test 53, eval { utime $TAINT } eq '', 'utime'; |
361 | test 54, $@ =~ /^Insecure dependency/, $@; |
48c036b1 |
362 | |
1e422769 |
363 | if ($Config{d_chown}) { |
b3eb6a9b |
364 | test 55, eval { chown -1, -1, $TAINT } eq '', 'chown'; |
365 | test 56, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
366 | } |
367 | else { |
b3eb6a9b |
368 | for (55..56) { print "ok $_ # Skipped: chown() is not available\n" } |
1e422769 |
369 | } |
370 | |
371 | if ($Config{d_link}) { |
b3eb6a9b |
372 | test 57, eval { link $TAINT, '' } eq '', 'link'; |
373 | test 58, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
374 | } |
375 | else { |
b3eb6a9b |
376 | for (57..58) { print "ok $_ # Skipped: link() is not available\n" } |
1e422769 |
377 | } |
378 | |
379 | if ($Config{d_symlink}) { |
b3eb6a9b |
380 | test 59, eval { symlink $TAINT, '' } eq '', 'symlink'; |
381 | test 60, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
382 | } |
383 | else { |
b3eb6a9b |
384 | for (59..60) { print "ok $_ # Skipped: symlink() is not available\n" } |
1e422769 |
385 | } |
386 | } |
387 | |
388 | # Operations which affect directories can't use tainted data. |
389 | { |
b3eb6a9b |
390 | test 61, eval { mkdir $TAINT0, $TAINT } eq '', 'mkdir'; |
391 | test 62, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
392 | |
b3eb6a9b |
393 | test 63, eval { rmdir $TAINT } eq '', 'rmdir'; |
394 | test 64, $@ =~ /^Insecure dependency/, $@; |
9607fc9c |
395 | |
b3eb6a9b |
396 | test 65, eval { chdir $TAINT } eq '', 'chdir'; |
397 | test 66, $@ =~ /^Insecure dependency/, $@; |
48c036b1 |
398 | |
1e422769 |
399 | if ($Config{d_chroot}) { |
b3eb6a9b |
400 | test 67, eval { chroot $TAINT } eq '', 'chroot'; |
401 | test 68, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
402 | } |
403 | else { |
b3eb6a9b |
404 | for (67..68) { print "ok $_ # Skipped: chroot() is not available\n" } |
1e422769 |
405 | } |
406 | } |
407 | |
408 | # Some operations using files can't use tainted data. |
409 | { |
410 | my $foo = "imaginary library" . $TAINT; |
b3eb6a9b |
411 | test 69, eval { require $foo } eq '', 'require'; |
412 | test 70, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
413 | |
414 | my $filename = "./taintB$$"; # NB: $filename isn't tainted! |
415 | END { unlink $filename if defined $filename } |
416 | $foo = $filename . $TAINT; |
417 | unlink $filename; # in any case |
418 | |
b3eb6a9b |
419 | test 71, eval { open FOO, $foo } eq '', 'open for read'; |
420 | test 72, $@ eq '', $@; # NB: This should be allowed |
9d116dd7 |
421 | |
422 | # Try first new style but allow also old style. |
327ccce1 |
423 | # We do not want the whole taint.t to fail |
424 | # just because Errno possibly failing. |
425 | test 73, eval('$!{ENOENT}') || |
61ae2fbf |
426 | $! == 2 || # File not found |
427 | ($Is_Dos && $! == 22) || |
428 | ($^O eq 'mint' && $! == 33); |
1e422769 |
429 | |
b3eb6a9b |
430 | test 74, eval { open FOO, "> $foo" } eq '', 'open for write'; |
431 | test 75, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
432 | } |
433 | |
434 | # Commands to the system can't use tainted data |
435 | { |
436 | my $foo = $TAINT; |
437 | |
438 | if ($^O eq 'amigaos') { |
b3eb6a9b |
439 | for (76..79) { print "ok $_ # Skipped: open('|') is not available\n" } |
1e422769 |
440 | } |
441 | else { |
06eaf0bc |
442 | test 76, eval { open FOO, "| x$foo" } eq '', 'popen to'; |
b3eb6a9b |
443 | test 77, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
444 | |
06eaf0bc |
445 | test 78, eval { open FOO, "x$foo |" } eq '', 'popen from'; |
b3eb6a9b |
446 | test 79, $@ =~ /^Insecure dependency/, $@; |
48c036b1 |
447 | } |
1e422769 |
448 | |
b3eb6a9b |
449 | test 80, eval { exec $TAINT } eq '', 'exec'; |
450 | test 81, $@ =~ /^Insecure dependency/, $@; |
9607fc9c |
451 | |
b3eb6a9b |
452 | test 82, eval { system $TAINT } eq '', 'system'; |
453 | test 83, $@ =~ /^Insecure dependency/, $@; |
48c036b1 |
454 | |
1e422769 |
455 | $foo = "*"; |
456 | taint_these $foo; |
457 | |
b3eb6a9b |
458 | test 84, eval { `$echo 1$foo` } eq '', 'backticks'; |
459 | test 85, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
460 | |
461 | if ($Is_VMS) { # wildcard expansion doesn't invoke shell, so is safe |
b3eb6a9b |
462 | test 86, join('', eval { glob $foo } ) ne '', 'globbing'; |
463 | test 87, $@ eq '', $@; |
1e422769 |
464 | } |
465 | else { |
159f47d9 |
466 | for (86..87) { print "ok $_ # Skipped: This is not VMS\n"; } |
1e422769 |
467 | } |
468 | } |
469 | |
470 | # Operations which affect processes can't use tainted data. |
471 | { |
b3eb6a9b |
472 | test 88, eval { kill 0, $TAINT } eq '', 'kill'; |
473 | test 89, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
474 | |
475 | if ($Config{d_setpgrp}) { |
b3eb6a9b |
476 | test 90, eval { setpgrp 0, $TAINT } eq '', 'setpgrp'; |
477 | test 91, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
478 | } |
479 | else { |
b3eb6a9b |
480 | for (90..91) { print "ok $_ # Skipped: setpgrp() is not available\n" } |
1e422769 |
481 | } |
482 | |
483 | if ($Config{d_setprior}) { |
b3eb6a9b |
484 | test 92, eval { setpriority 0, $TAINT, $TAINT } eq '', 'setpriority'; |
485 | test 93, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
486 | } |
487 | else { |
b3eb6a9b |
488 | for (92..93) { print "ok $_ # Skipped: setpriority() is not available\n" } |
1e422769 |
489 | } |
490 | } |
491 | |
492 | # Some miscellaneous operations can't use tainted data. |
493 | { |
494 | if ($Config{d_syscall}) { |
b3eb6a9b |
495 | test 94, eval { syscall $TAINT } eq '', 'syscall'; |
496 | test 95, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
497 | } |
498 | else { |
b3eb6a9b |
499 | for (94..95) { print "ok $_ # Skipped: syscall() is not available\n" } |
1e422769 |
500 | } |
501 | |
502 | { |
503 | my $foo = "x" x 979; |
504 | taint_these $foo; |
505 | local *FOO; |
506 | my $temp = "./taintC$$"; |
507 | END { unlink $temp } |
b3eb6a9b |
508 | test 96, open(FOO, "> $temp"), "Couldn't open $temp for write: $!"; |
1e422769 |
509 | |
b3eb6a9b |
510 | test 97, eval { ioctl FOO, $TAINT, $foo } eq '', 'ioctl'; |
511 | test 98, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
512 | |
513 | if ($Config{d_fcntl}) { |
b3eb6a9b |
514 | test 99, eval { fcntl FOO, $TAINT, $foo } eq '', 'fcntl'; |
515 | test 100, $@ =~ /^Insecure dependency/, $@; |
1e422769 |
516 | } |
517 | else { |
b3eb6a9b |
518 | for (99..100) { print "ok $_ # Skipped: fcntl() is not available\n" } |
1e422769 |
519 | } |
520 | |
521 | close FOO; |
522 | } |
523 | } |
524 | |
9607fc9c |
525 | # Some tests involving references |
1e422769 |
526 | { |
527 | my $foo = 'abc' . $TAINT; |
528 | my $fooref = \$foo; |
b3eb6a9b |
529 | test 101, not tainted $fooref; |
530 | test 102, tainted $$fooref; |
531 | test 103, tainted $foo; |
1e422769 |
532 | } |
54310121 |
533 | |
534 | # Some tests involving assignment |
535 | { |
536 | my $foo = $TAINT0; |
537 | my $bar = $foo; |
b3eb6a9b |
538 | test 104, all_tainted $foo, $bar; |
539 | test 105, tainted($foo = $bar); |
540 | test 106, tainted($bar = $bar); |
541 | test 107, tainted($bar += $bar); |
542 | test 108, tainted($bar -= $bar); |
543 | test 109, tainted($bar *= $bar); |
544 | test 110, tainted($bar++); |
545 | test 111, tainted($bar /= $bar); |
546 | test 112, tainted($bar += 0); |
547 | test 113, tainted($bar -= 2); |
548 | test 114, tainted($bar *= -1); |
549 | test 115, tainted($bar /= 1); |
550 | test 116, tainted($bar--); |
551 | test 117, $bar == 0; |
54310121 |
552 | } |
a1f49e72 |
553 | |
554 | # Test assignment and return of lists |
555 | { |
556 | my @foo = ("A", "tainted" . $TAINT, "B"); |
b3eb6a9b |
557 | test 118, not tainted $foo[0]; |
558 | test 119, tainted $foo[1]; |
559 | test 120, not tainted $foo[2]; |
a1f49e72 |
560 | my @bar = @foo; |
b3eb6a9b |
561 | test 121, not tainted $bar[0]; |
562 | test 122, tainted $bar[1]; |
563 | test 123, not tainted $bar[2]; |
a1f49e72 |
564 | my @baz = eval { "A", "tainted" . $TAINT, "B" }; |
b3eb6a9b |
565 | test 124, not tainted $baz[0]; |
566 | test 125, tainted $baz[1]; |
567 | test 126, not tainted $baz[2]; |
a1f49e72 |
568 | my @plugh = eval q[ "A", "tainted" . $TAINT, "B" ]; |
b3eb6a9b |
569 | test 127, not tainted $plugh[0]; |
570 | test 128, tainted $plugh[1]; |
571 | test 129, not tainted $plugh[2]; |
a1f49e72 |
572 | my $nautilus = sub { "A", "tainted" . $TAINT, "B" }; |
b3eb6a9b |
573 | test 130, not tainted ((&$nautilus)[0]); |
574 | test 131, tainted ((&$nautilus)[1]); |
575 | test 132, not tainted ((&$nautilus)[2]); |
a1f49e72 |
576 | my @xyzzy = &$nautilus; |
b3eb6a9b |
577 | test 133, not tainted $xyzzy[0]; |
578 | test 134, tainted $xyzzy[1]; |
579 | test 135, not tainted $xyzzy[2]; |
a1f49e72 |
580 | my $red_october = sub { return "A", "tainted" . $TAINT, "B" }; |
b3eb6a9b |
581 | test 136, not tainted ((&$red_october)[0]); |
582 | test 137, tainted ((&$red_october)[1]); |
583 | test 138, not tainted ((&$red_october)[2]); |
a1f49e72 |
584 | my @corge = &$red_october; |
b3eb6a9b |
585 | test 139, not tainted $corge[0]; |
586 | test 140, tainted $corge[1]; |
587 | test 141, not tainted $corge[2]; |
a1f49e72 |
588 | } |
fb73857a |
589 | |
590 | # Test for system/library calls returning string data of dubious origin. |
591 | { |
592 | # No reliable %Config check for getpw* |
5dec6e32 |
593 | if (eval { setpwent(); getpwent() }) { |
fb73857a |
594 | setpwent(); |
595 | my @getpwent = getpwent(); |
596 | die "getpwent: $!\n" unless (@getpwent); |
b3eb6a9b |
597 | test 142,( not tainted $getpwent[0] |
2959b6e3 |
598 | and tainted $getpwent[1] |
fb73857a |
599 | and not tainted $getpwent[2] |
600 | and not tainted $getpwent[3] |
601 | and not tainted $getpwent[4] |
602 | and not tainted $getpwent[5] |
3972a534 |
603 | and tainted $getpwent[6] # ge?cos |
fb73857a |
604 | and not tainted $getpwent[7] |
3972a534 |
605 | and tainted $getpwent[8]); # shell |
fb73857a |
606 | endpwent(); |
607 | } else { |
b3eb6a9b |
608 | for (142) { print "ok $_ # Skipped: getpwent() is not available\n" } |
fb73857a |
609 | } |
610 | |
611 | if ($Config{d_readdir}) { # pretty hard to imagine not |
612 | local(*D); |
613 | opendir(D, "op") or die "opendir: $!\n"; |
614 | my $readdir = readdir(D); |
b3eb6a9b |
615 | test 143, tainted $readdir; |
fb73857a |
616 | closedir(OP); |
617 | } else { |
b3eb6a9b |
618 | for (143) { print "ok $_ # Skipped: readdir() is not available\n" } |
fb73857a |
619 | } |
620 | |
621 | if ($Config{d_readlink} && $Config{d_symlink}) { |
622 | my $symlink = "sl$$"; |
623 | unlink($symlink); |
dc459aad |
624 | my $sl = "/something/naughty"; |
625 | # it has to be a real path on Mac OS |
626 | $sl = MacPerl::MakePath((MacPerl::Volumes())[0]) if $Is_MacOS; |
627 | symlink($sl, $symlink) or die "symlink: $!\n"; |
fb73857a |
628 | my $readlink = readlink($symlink); |
b3eb6a9b |
629 | test 144, tainted $readlink; |
fb73857a |
630 | unlink($symlink); |
631 | } else { |
b3eb6a9b |
632 | for (144) { print "ok $_ # Skipped: readlink() or symlink() is not available\n"; } |
fb73857a |
633 | } |
634 | } |
635 | |
636 | # test bitwise ops (regression bug) |
637 | { |
638 | my $why = "y"; |
639 | my $j = "x" | $why; |
b3eb6a9b |
640 | test 145, not tainted $j; |
fb73857a |
641 | $why = $TAINT."y"; |
642 | $j = "x" | $why; |
b3eb6a9b |
643 | test 146, tainted $j; |
fb73857a |
644 | } |
645 | |
48c036b1 |
646 | # test target of substitution (regression bug) |
647 | { |
648 | my $why = $TAINT."y"; |
649 | $why =~ s/y/z/; |
b3eb6a9b |
650 | test 147, tainted $why; |
48c036b1 |
651 | |
652 | my $z = "[z]"; |
653 | $why =~ s/$z/zee/; |
b3eb6a9b |
654 | test 148, tainted $why; |
48c036b1 |
655 | |
656 | $why =~ s/e/'-'.$$/ge; |
b3eb6a9b |
657 | test 149, tainted $why; |
48c036b1 |
658 | } |
d929ce6f |
659 | |
660 | # test shmread |
661 | { |
c9f931b8 |
662 | unless ($ipcsysv) { |
663 | print "ok 150 # skipped: no IPC::SysV\n"; |
664 | last; |
665 | } |
be3174d2 |
666 | if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ && $Config{d_shm}) { |
b9d1c439 |
667 | no strict 'subs'; |
d929ce6f |
668 | my $sent = "foobar"; |
669 | my $rcvd; |
670 | my $size = 2000; |
c2e66d9e |
671 | my $id = shmget(IPC_PRIVATE, $size, S_IRWXU); |
672 | |
41d6edb2 |
673 | if (defined $id) { |
674 | if (shmwrite($id, $sent, 0, 60)) { |
675 | if (shmread($id, $rcvd, 0, 60)) { |
d929ce6f |
676 | substr($rcvd, index($rcvd, "\0")) = ''; |
677 | } else { |
678 | warn "# shmread failed: $!\n"; |
679 | } |
680 | } else { |
681 | warn "# shmwrite failed: $!\n"; |
682 | } |
c2e66d9e |
683 | shmctl($id, IPC_RMID, 0) or warn "# shmctl failed: $!\n"; |
41d6edb2 |
684 | } else { |
685 | warn "# shmget failed: $!\n"; |
d929ce6f |
686 | } |
687 | |
688 | if ($rcvd eq $sent) { |
689 | test 150, tainted $rcvd; |
690 | } else { |
691 | print "ok 150 # Skipped: SysV shared memory operation failed\n"; |
692 | } |
693 | } else { |
41d6edb2 |
694 | print "ok 150 # Skipped: SysV shared memory is not available\n"; |
d929ce6f |
695 | } |
696 | } |
41d6edb2 |
697 | |
698 | # test msgrcv |
699 | { |
c9f931b8 |
700 | unless ($ipcsysv) { |
701 | print "ok 151 # skipped: no IPC::SysV\n"; |
702 | last; |
703 | } |
be3174d2 |
704 | if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ && $Config{d_msg}) { |
b9d1c439 |
705 | no strict 'subs'; |
41d6edb2 |
706 | my $id = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU); |
707 | |
708 | my $sent = "message"; |
709 | my $type_sent = 1234; |
710 | my $rcvd; |
711 | my $type_rcvd; |
712 | |
713 | if (defined $id) { |
ddc3217d |
714 | if (msgsnd($id, pack("l! a*", $type_sent, $sent), IPC_NOWAIT)) { |
715 | if (msgrcv($id, $rcvd, 60, 0, IPC_NOWAIT)) { |
41d6edb2 |
716 | ($type_rcvd, $rcvd) = unpack("l! a*", $rcvd); |
717 | } else { |
ddc3217d |
718 | warn "# msgrcv failed: $!\n"; |
41d6edb2 |
719 | } |
720 | } else { |
ddc3217d |
721 | warn "# msgsnd failed: $!\n"; |
41d6edb2 |
722 | } |
c2e66d9e |
723 | msgctl($id, IPC_RMID, 0) or warn "# msgctl failed: $!\n"; |
41d6edb2 |
724 | } else { |
725 | warn "# msgget failed\n"; |
726 | } |
727 | |
728 | if ($rcvd eq $sent && $type_sent == $type_rcvd) { |
729 | test 151, tainted $rcvd; |
730 | } else { |
731 | print "ok 151 # Skipped: SysV message queue operation failed\n"; |
732 | } |
733 | } else { |
734 | print "ok 151 # Skipped: SysV message queues are not available\n"; |
735 | } |
736 | } |
737 | |
3887d568 |
738 | { |
739 | # bug id 20001004.006 |
740 | |
dc459aad |
741 | open IN, $TEST or warn "$0: cannot read $TEST: $!" ; |
3887d568 |
742 | local $/; |
743 | my $a = <IN>; |
744 | my $b = <IN>; |
745 | print "not " unless tainted($a) && tainted($b) && !defined($b); |
746 | print "ok 152\n"; |
27c9684d |
747 | close IN; |
3887d568 |
748 | } |
27c9684d |
749 | |
750 | { |
751 | # bug id 20001004.007 |
752 | |
dc459aad |
753 | open IN, $TEST or warn "$0: cannot read $TEST: $!" ; |
27c9684d |
754 | my $a = <IN>; |
755 | |
756 | my $c = { a => 42, |
757 | b => $a }; |
758 | print "not " unless !tainted($c->{a}) && tainted($c->{b}); |
759 | print "ok 153\n"; |
760 | |
761 | my $d = { a => $a, |
762 | b => 42 }; |
763 | print "not " unless tainted($d->{a}) && !tainted($d->{b}); |
764 | print "ok 154\n"; |
765 | |
766 | my $e = { a => 42, |
767 | b => { c => $a, d => 42 } }; |
768 | print "not " unless !tainted($e->{a}) && |
769 | !tainted($e->{b}) && |
770 | tainted($e->{b}->{c}) && |
771 | !tainted($e->{b}->{d}); |
772 | print "ok 155\n"; |
773 | |
774 | close IN; |
775 | } |
776 | |
b94c04ac |
777 | { |
778 | # bug id 20010519.003 |
779 | |
248c32c0 |
780 | BEGIN { |
781 | use vars qw($has_fcntl); |
782 | eval { require Fcntl; import Fcntl; }; |
783 | unless ($@) { |
784 | $has_fcntl = 1; |
785 | } |
786 | } |
b94c04ac |
787 | |
248c32c0 |
788 | unless ($has_fcntl) { |
789 | for (156..173) { |
790 | print "ok $_ # Skip: no Fcntl (no dynaloading?)\n"; |
791 | } |
792 | } else { |
793 | my $evil = "foo" . $TAINT; |
794 | |
795 | eval { sysopen(my $ro, $evil, &O_RDONLY) }; |
796 | test 156, $@ !~ /^Insecure dependency/, $@; |
797 | |
798 | eval { sysopen(my $wo, $evil, &O_WRONLY) }; |
799 | test 157, $@ =~ /^Insecure dependency/, $@; |
800 | |
801 | eval { sysopen(my $rw, $evil, &O_RDWR) }; |
802 | test 158, $@ =~ /^Insecure dependency/, $@; |
803 | |
804 | eval { sysopen(my $ap, $evil, &O_APPEND) }; |
805 | test 159, $@ =~ /^Insecure dependency/, $@; |
806 | |
807 | eval { sysopen(my $cr, $evil, &O_CREAT) }; |
808 | test 160, $@ =~ /^Insecure dependency/, $@; |
809 | |
810 | eval { sysopen(my $tr, $evil, &O_TRUNC) }; |
811 | test 161, $@ =~ /^Insecure dependency/, $@; |
812 | |
813 | eval { sysopen(my $ro, "foo", &O_RDONLY | $evil) }; |
814 | test 162, $@ !~ /^Insecure dependency/, $@; |
815 | |
816 | eval { sysopen(my $wo, "foo", &O_WRONLY | $evil) }; |
817 | test 163, $@ =~ /^Insecure dependency/, $@; |
818 | |
819 | eval { sysopen(my $rw, "foo", &O_RDWR | $evil) }; |
820 | test 164, $@ =~ /^Insecure dependency/, $@; |
821 | |
822 | eval { sysopen(my $ap, "foo", &O_APPEND | $evil) }; |
823 | test 165, $@ =~ /^Insecure dependency/, $@; |
824 | |
825 | eval { sysopen(my $cr, "foo", &O_CREAT | $evil) }; |
826 | test 166, $@ =~ /^Insecure dependency/, $@; |
827 | |
828 | eval { sysopen(my $tr, "foo", &O_TRUNC | $evil) }; |
829 | test 167, $@ =~ /^Insecure dependency/, $@; |
830 | |
831 | eval { sysopen(my $ro, "foo", &O_RDONLY, $evil) }; |
832 | test 168, $@ !~ /^Insecure dependency/, $@; |
833 | |
834 | eval { sysopen(my $wo, "foo", &O_WRONLY, $evil) }; |
835 | test 169, $@ =~ /^Insecure dependency/, $@; |
836 | |
837 | eval { sysopen(my $rw, "foo", &O_RDWR, $evil) }; |
838 | test 170, $@ =~ /^Insecure dependency/, $@; |
839 | |
840 | eval { sysopen(my $ap, "foo", &O_APPEND, $evil) }; |
841 | test 171, $@ =~ /^Insecure dependency/, $@; |
842 | |
843 | eval { sysopen(my $cr, "foo", &O_CREAT, $evil) }; |
844 | test 172, $@ =~ /^Insecure dependency/, $@; |
845 | |
846 | eval { sysopen(my $tr, "foo", &O_TRUNC, $evil) }; |
847 | test 173, $@ =~ /^Insecure dependency/, $@; |
848 | |
849 | unlink("foo"); # not unlink($evil), because that would fail... |
850 | } |
b94c04ac |
851 | } |
852 | |
65811bc3 |
853 | { |
854 | # bug 20010526.004 |
855 | |
856 | use warnings; |
857 | |
bbd7eb8a |
858 | local $SIG{__WARN__} = sub { print "not " }; |
65811bc3 |
859 | |
860 | sub fmi { |
861 | my $divnum = shift()/1; |
862 | sprintf("%1.1f\n", $divnum); |
863 | } |
864 | |
865 | fmi(21 . $TAINT); |
866 | fmi(37); |
867 | fmi(248); |
868 | |
869 | print "ok 174\n"; |
870 | } |
871 | |
9e1b5a4e |
872 | |
873 | { |
874 | # Bug ID 20010730.010 |
875 | |
876 | my $i = 0; |
877 | |
878 | sub Tie::TIESCALAR { |
879 | my $class = shift; |
880 | my $arg = shift; |
881 | |
882 | bless \$arg => $class; |
883 | } |
884 | |
885 | sub Tie::FETCH { |
886 | $i ++; |
887 | ${$_ [0]} |
888 | } |
889 | |
890 | |
891 | package main; |
892 | |
893 | my $bar = "The Big Bright Green Pleasure Machine"; |
894 | taint_these $bar; |
895 | tie my ($foo), Tie => $bar; |
896 | |
897 | my $baz = $foo; |
898 | |
899 | print $i == 1 ? "ok 175\n" : "not ok 175\n" |
900 | |
901 | } |
902 | |
8852b6d2 |
903 | { |
904 | # Check that all environment variables are tainted. |
905 | my @untainted; |
906 | while (my ($k, $v) = each %ENV) { |
907 | if (!tainted($v) && |
eb25aaf6 |
908 | # These we have explicitly untainted or set earlier. |
909 | $k !~ /^(BASH_ENV|CDPATH|ENV|IFS|PATH|PERL_CORE|TEMP|TERM|TMP)$/) { |
8852b6d2 |
910 | push @untainted, "# '$k' = '$v'\n"; |
911 | } |
912 | } |
913 | print @untainted == 0 ? "ok 176\n" : "not ok 176\n"; |
914 | print "# untainted:\n", @untainted if @untainted; |
915 | } |
9e1b5a4e |
916 | |
917 | |
9aa05f58 |
918 | ok( ${^TAINT} == 1, '$^TAINT is on' ); |
7c36658b |
919 | |
920 | eval { ${^TAINT} = 0 }; |
921 | ok( ${^TAINT}, '$^TAINT is not assignable' ); |
922 | ok( $@ =~ /^Modification of a read-only value attempted/, |
c212f17f |
923 | 'Assigning to ${^TAINT} fails' ); |
7c36658b |
924 | |
e08e52cf |
925 | { |
926 | # bug 20011111.105 |
927 | |
928 | my $re1 = qr/x$TAINT/; |
929 | test 180, tainted $re1; |
930 | |
931 | my $re2 = qr/^$re1\z/; |
932 | test 181, tainted $re2; |
933 | |
934 | my $re3 = "$re2"; |
935 | test 182, tainted $re3; |
936 | } |
52a55424 |
937 | |
d5b53b20 |
938 | if ($Is_MSWin32) { |
939 | print "ok 183 # Skipped: system {} has different semantics\n"; |
940 | } |
941 | else |
52a55424 |
942 | { |
943 | # bug 20010221.005 |
944 | local $ENV{PATH} .= $TAINT; |
945 | eval { system { "echo" } "/arg0", "arg1" }; |
946 | test 183, $@ =~ /^Insecure \$ENV/; |
947 | } |
161720b2 |
948 | if ($Is_VMS) { |
0304a67e |
949 | for (184..205) {print "not ok $_ # TODO tainted %ENV warning occludes tainted arguments warning\n";} |
161720b2 |
950 | } |
951 | else |
bbd7eb8a |
952 | { |
953 | # bug 20020208.005 plus some extras |
954 | # single arg exec/system are tests 80-83 |
06bd1802 |
955 | my $err = qr/^Insecure dependency/ ; |
bbd7eb8a |
956 | test 184, eval { exec $TAINT, $TAINT } eq '', 'exec'; |
957 | test 185, $@ =~ $err, $@; |
958 | test 186, eval { exec $TAINT $TAINT } eq '', 'exec'; |
959 | test 187, $@ =~ $err, $@; |
960 | test 188, eval { exec $TAINT $TAINT, $TAINT } eq '', 'exec'; |
961 | test 189, $@ =~ $err, $@; |
962 | test 190, eval { exec $TAINT 'notaint' } eq '', 'exec'; |
963 | test 191, $@ =~ $err, $@; |
964 | test 192, eval { exec {'notaint'} $TAINT } eq '', 'exec'; |
965 | test 193, $@ =~ $err, $@; |
966 | |
967 | test 194, eval { system $TAINT, $TAINT } eq '', 'system'; |
968 | test 195, $@ =~ $err, $@; |
159f47d9 |
969 | test 196, eval { system $TAINT $TAINT } eq '', 'system'; |
bbd7eb8a |
970 | test 197, $@ =~ $err, $@; |
159f47d9 |
971 | test 198, eval { system $TAINT $TAINT, $TAINT } eq '', 'system'; |
bbd7eb8a |
972 | test 199, $@ =~ $err, $@; |
159f47d9 |
973 | test 200, eval { system $TAINT 'notaint' } eq '', 'system'; |
bbd7eb8a |
974 | test 201, $@ =~ $err, $@; |
159f47d9 |
975 | test 202, eval { system {'notaint'} $TAINT } eq '', 'system'; |
bbd7eb8a |
976 | test 203, $@ =~ $err, $@; |
159f47d9 |
977 | |
978 | eval { system("lskdfj does not exist","with","args"); }; |
979 | test 204, $@ eq ''; |
63c6dcc1 |
980 | if ($Is_MacOS) { |
981 | print "ok 205 # no exec()\n"; |
982 | } else { |
983 | eval { exec("lskdfj does not exist","with","args"); }; |
984 | test 205, $@ eq ''; |
985 | } |
6c8794e1 |
986 | |
987 | # If you add tests here update also the above skip block for VMS. |
bbd7eb8a |
988 | } |
a8c7c11a |
989 | |
990 | { |
991 | # [ID 20020704.001] taint propagation failure |
992 | use re 'taint'; |
993 | $TAINT =~ /(.*)/; |
994 | test 206, tainted(my $foo = $1); |
995 | } |
7b756e0a |
996 | |
997 | { |
c038024b |
998 | # [perl #24291] this used to dump core |
999 | our %nonmagicalenv = ( PATH => "util" ); |
7b756e0a |
1000 | local *ENV = \%nonmagicalenv; |
1001 | eval { system("lskdfj"); }; |
c038024b |
1002 | test 207, $@ =~ /^%ENV is aliased to another variable while running with -T switch/; |
1003 | local *ENV = *nonmagicalenv; |
7b756e0a |
1004 | eval { system("lskdfj"); }; |
c038024b |
1005 | test 208, $@ =~ /^%ENV is aliased to %nonmagicalenv while running with -T switch/; |
7b756e0a |
1006 | } |
0b4182de |
1007 | { |
1008 | # [perl #24248] |
1009 | $TAINT =~ /(.*)/; |
1010 | test 209, !tainted($1); |
1011 | my $notaint = $1; |
1012 | test 210, !tainted($notaint); |
1013 | |
1014 | my $l; |
1015 | $notaint =~ /($notaint)/; |
1016 | $l = $1; |
1017 | test 211, !tainted($1); |
1018 | test 212, !tainted($l); |
1019 | $notaint =~ /($TAINT)/; |
1020 | $l = $1; |
1021 | test 213, tainted($1); |
1022 | test 214, tainted($l); |
1023 | |
1024 | $TAINT =~ /($notaint)/; |
1025 | $l = $1; |
1026 | test 215, !tainted($1); |
1027 | test 216, !tainted($l); |
1028 | $TAINT =~ /($TAINT)/; |
1029 | $l = $1; |
1030 | test 217, tainted($1); |
1031 | test 218, tainted($l); |
1032 | |
1033 | my $r; |
1034 | ($r = $TAINT) =~ /($notaint)/; |
1035 | test 219, !tainted($1); |
1036 | ($r = $TAINT) =~ /($TAINT)/; |
1037 | test 220, tainted($1); |
3511154c |
1038 | |
1039 | # [perl #24674] |
1040 | # accessing $^O shoudn't taint it as a side-effect; |
1041 | # assigning tainted data to it is now an error |
1042 | |
1043 | test 221, !tainted($^O); |
1044 | if (!$^X) { } elsif ($^O eq 'bar') { } |
1045 | test 222, !tainted($^O); |
1046 | eval '$^O = $^X'; |
1047 | test 223, $@ =~ /Insecure dependency in/; |
0b4182de |
1048 | } |
23634c10 |
1049 | |
1050 | EFFECTIVELY_CONSTANTS: { |
1051 | my $tainted_number = 12 + $TAINT0; |
1052 | test 224, tainted( $tainted_number ); |
1053 | |
1054 | # Even though it's always 0, it's still tainted |
1055 | my $tainted_product = $tainted_number * 0; |
1056 | test 225, tainted( $tainted_product ); |
1057 | test 226, $tainted_product == 0; |
1058 | } |
1059 | |
1060 | TERNARY_CONDITIONALS: { |
1061 | my $tainted_true = $TAINT . "blah blah blah"; |
1062 | my $tainted_false = $TAINT0; |
1063 | test 227, tainted( $tainted_true ); |
1064 | test 228, tainted( $tainted_false ); |
1065 | |
1066 | my $result = $tainted_true ? "True" : "False"; |
1067 | test 229, $result eq "True"; |
1068 | test 230, !tainted( $result ); |
1069 | |
1070 | $result = $tainted_false ? "True" : "False"; |
1071 | test 231, $result eq "False"; |
1072 | test 232, !tainted( $result ); |
1073 | |
1074 | my $untainted_whatever = "The Fabulous Johnny Cash"; |
1075 | my $tainted_whatever = "Soft Cell" . $TAINT; |
1076 | |
1077 | $result = $tainted_true ? $tainted_whatever : $untainted_whatever; |
1078 | test 233, $result eq "Soft Cell"; |
1079 | test 234, tainted( $result ); |
1080 | |
1081 | $result = $tainted_false ? $tainted_whatever : $untainted_whatever; |
1082 | test 235, $result eq "The Fabulous Johnny Cash"; |
1083 | test 236, !tainted( $result ); |
1084 | } |