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 $test = 177; |
1d662fb6 | 21 | sub ok ($;$) { |
7c36658b MS |
22 | my($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 MG |
34 | $| = 1; |
35 | ||
c9f931b8 JH |
36 | use vars qw($ipcsysv); # did we manage to load IPC::SysV? |
37 | ||
3eeba6fb CB |
38 | BEGIN { |
39 | if ($^O eq 'VMS' && !defined($Config{d_setenv})) { | |
40 | $ENV{PATH} = $ENV{PATH}; | |
41 | $ENV{TERM} = $ENV{TERM} ne ''? $ENV{TERM} : 'dummy'; | |
42 | } | |
be3174d2 GS |
43 | if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ |
44 | && ($Config{d_shm} || $Config{d_msg})) { | |
c9f931b8 JH |
45 | eval { require IPC::SysV }; |
46 | unless ($@) { | |
47 | $ipcsysv++; | |
ddc3217d | 48 | IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU IPC_NOWAIT)); |
c9f931b8 | 49 | } |
b9d1c439 | 50 | } |
3eeba6fb CB |
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 JH |
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 JH |
141 | system("/usr/bin/cp /usr/bin/cygwin1.dll .") && |
142 | die "$0: failed to cp cygwin1.dll: $!\n"; | |
cef9cd04 YST |
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 JH |
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 GS |
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 GS |
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 GS |
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 JH |
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 GS |
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 GS |
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 GS |
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 GS |
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 GS |
351 | test 47, eval { truncate 'NoSuChFiLe', $TAINT0 } eq '', 'truncate'; |
352 | test 48, $@ =~ /^(?:Insecure dependency|truncate not implemented)/, $@; | |
1e422769 | 353 | |
b3eb6a9b GS |
354 | test 49, eval { rename '', $TAINT } eq '', 'rename'; |
355 | test 50, $@ =~ /^Insecure dependency/, $@; | |
1e422769 | 356 | |
b3eb6a9b GS |
357 | test 51, eval { unlink $TAINT } eq '', 'unlink'; |
358 | test 52, $@ =~ /^Insecure dependency/, $@; | |
9607fc9c | 359 | |
b3eb6a9b GS |
360 | test 53, eval { utime $TAINT } eq '', 'utime'; |
361 | test 54, $@ =~ /^Insecure dependency/, $@; | |
48c036b1 | 362 | |
1e422769 | 363 | if ($Config{d_chown}) { |
b3eb6a9b GS |
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 GS |
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 GS |
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 GS |
390 | test 61, eval { mkdir $TAINT0, $TAINT } eq '', 'mkdir'; |
391 | test 62, $@ =~ /^Insecure dependency/, $@; | |
1e422769 | 392 | |
b3eb6a9b GS |
393 | test 63, eval { rmdir $TAINT } eq '', 'rmdir'; |
394 | test 64, $@ =~ /^Insecure dependency/, $@; | |
9607fc9c | 395 | |
b3eb6a9b GS |
396 | test 65, eval { chdir $TAINT } eq '', 'chdir'; |
397 | test 66, $@ =~ /^Insecure dependency/, $@; | |
48c036b1 | 398 | |
1e422769 | 399 | if ($Config{d_chroot}) { |
b3eb6a9b GS |
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 GS |
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 GS |
419 | test 71, eval { open FOO, $foo } eq '', 'open for read'; |
420 | test 72, $@ eq '', $@; # NB: This should be allowed | |
9d116dd7 JH |
421 | |
422 | # Try first new style but allow also old style. | |
327ccce1 YST |
423 | # We do not want the whole taint.t to fail |
424 | # just because Errno possibly failing. | |
425 | test 73, eval('$!{ENOENT}') || | |
61ae2fbf JH |
426 | $! == 2 || # File not found |
427 | ($Is_Dos && $! == 22) || | |
428 | ($^O eq 'mint' && $! == 33); | |
1e422769 | 429 | |
b3eb6a9b GS |
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 GS |
449 | test 80, eval { exec $TAINT } eq '', 'exec'; |
450 | test 81, $@ =~ /^Insecure dependency/, $@; | |
9607fc9c | 451 | |
b3eb6a9b GS |
452 | test 82, eval { system $TAINT } eq '', 'system'; |
453 | test 83, $@ =~ /^Insecure dependency/, $@; | |
48c036b1 | 454 | |
1e422769 | 455 | $foo = "*"; |
456 | taint_these $foo; | |
457 | ||
b3eb6a9b GS |
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 GS |
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 GS |
472 | test 88, eval { kill 0, $TAINT } eq '', 'kill'; |
473 | test 89, $@ =~ /^Insecure dependency/, $@; | |
1e422769 | 474 | |
475 | if ($Config{d_setpgrp}) { | |
b3eb6a9b GS |
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 GS |
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 GS |
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 GS |
510 | test 97, eval { ioctl FOO, $TAINT, $foo } eq '', 'ioctl'; |
511 | test 98, $@ =~ /^Insecure dependency/, $@; | |
1e422769 | 512 | |
513 | if ($Config{d_fcntl}) { | |
b3eb6a9b GS |
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 GS |
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 GS |
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 CS |
553 | |
554 | # Test assignment and return of lists | |
555 | { | |
556 | my @foo = ("A", "tainted" . $TAINT, "B"); | |
b3eb6a9b GS |
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 GS |
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 GS |
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 GS |
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 GS |
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 GS |
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 GS |
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 GS |
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 JH |
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 GS |
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 GS |
651 | |
652 | my $z = "[z]"; | |
653 | $why =~ s/$z/zee/; | |
b3eb6a9b | 654 | test 148, tainted $why; |
48c036b1 GS |
655 | |
656 | $why =~ s/e/'-'.$$/ge; | |
b3eb6a9b | 657 | test 149, tainted $why; |
48c036b1 | 658 | } |
d929ce6f JH |
659 | |
660 | # test shmread | |
661 | { | |
c9f931b8 JH |
662 | unless ($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 JH |
668 | my $sent = "foobar"; |
669 | my $rcvd; | |
670 | my $size = 2000; | |
c2e66d9e GS |
671 | my $id = shmget(IPC_PRIVATE, $size, S_IRWXU); |
672 | ||
41d6edb2 JH |
673 | if (defined $id) { |
674 | if (shmwrite($id, $sent, 0, 60)) { | |
675 | if (shmread($id, $rcvd, 0, 60)) { | |
d929ce6f JH |
676 | substr($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 JH |
684 | } else { |
685 | warn "# shmget failed: $!\n"; | |
d929ce6f JH |
686 | } |
687 | ||
688 | if ($rcvd eq $sent) { | |
689 | test 150, tainted $rcvd; | |
690 | } else { | |
691 | print "ok 150 # Skipped: SysV shared memory operation failed\n"; | |
692 | } | |
693 | } else { | |
41d6edb2 | 694 | print "ok 150 # Skipped: SysV shared memory is not available\n"; |
d929ce6f JH |
695 | } |
696 | } | |
41d6edb2 JH |
697 | |
698 | # test msgrcv | |
699 | { | |
c9f931b8 JH |
700 | unless ($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 JH |
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 $id) { | |
ddc3217d JH |
714 | if (msgsnd($id, pack("l! a*", $type_sent, $sent), IPC_NOWAIT)) { |
715 | if (msgrcv($id, $rcvd, 60, 0, IPC_NOWAIT)) { | |
41d6edb2 JH |
716 | ($type_rcvd, $rcvd) = unpack("l! a*", $rcvd); |
717 | } else { | |
ddc3217d | 718 | warn "# msgrcv failed: $!\n"; |
41d6edb2 JH |
719 | } |
720 | } else { | |
ddc3217d | 721 | warn "# msgsnd failed: $!\n"; |
41d6edb2 | 722 | } |
c2e66d9e | 723 | msgctl($id, IPC_RMID, 0) or warn "# msgctl failed: $!\n"; |
41d6edb2 JH |
724 | } else { |
725 | warn "# msgget failed\n"; | |
726 | } | |
727 | ||
728 | if ($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 AP |
738 | { |
739 | # bug id 20001004.006 | |
740 | ||
dc459aad | 741 | open IN, $TEST or warn "$0: cannot read $TEST: $!" ; |
3887d568 AP |
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 AP |
749 | |
750 | { | |
751 | # bug id 20001004.007 | |
752 | ||
dc459aad | 753 | open IN, $TEST or warn "$0: cannot read $TEST: $!" ; |
27c9684d AP |
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($e->{b}->{d}); | |
772 | print "ok 155\n"; | |
773 | ||
774 | close IN; | |
775 | } | |
776 | ||
b94c04ac JH |
777 | { |
778 | # bug id 20010519.003 | |
779 | ||
248c32c0 JH |
780 | BEGIN { |
781 | use vars qw($has_fcntl); | |
782 | eval { require Fcntl; import Fcntl; }; | |
783 | unless ($@) { | |
784 | $has_fcntl = 1; | |
785 | } | |
786 | } | |
b94c04ac | 787 | |
248c32c0 JH |
788 | unless ($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 JH |
851 | } |
852 | ||
65811bc3 JH |
853 | { |
854 | # bug 20010526.004 | |
855 | ||
856 | use warnings; | |
857 | ||
bbd7eb8a | 858 | local $SIG{__WARN__} = sub { print "not " }; |
65811bc3 JH |
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 A |
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 $i == 1 ? "ok 175\n" : "not ok 175\n" | |
900 | ||
901 | } | |
902 | ||
8852b6d2 JH |
903 | { |
904 | # Check that all environment variables are tainted. | |
905 | my @untainted; | |
906 | while (my ($k, $v) = each %ENV) { | |
907 | if (!tainted($v) && | |
eb25aaf6 HS |
908 | # These we have explicitly untainted or set earlier. |
909 | $k !~ /^(BASH_ENV|CDPATH|ENV|IFS|PATH|PERL_CORE|TEMP|TERM|TMP)$/) { | |
8852b6d2 JH |
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 A |
916 | |
917 | ||
9aa05f58 | 918 | ok( ${^TAINT} == 1, '$^TAINT is on' ); |
7c36658b MS |
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 AMS |
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 $re3; | |
936 | } | |
52a55424 | 937 | |
d5b53b20 NIS |
938 | if ($Is_MSWin32) { |
939 | print "ok 183 # Skipped: system {} has different semantics\n"; | |
940 | } | |
941 | else | |
52a55424 RG |
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 CB |
950 | } |
951 | else | |
bbd7eb8a RD |
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 RD |
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 RGS |
977 | |
978 | eval { system("lskdfj does not exist","with","args"); }; | |
979 | test 204, $@ eq ''; | |
63c6dcc1 JH |
980 | if ($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 JH |
986 | |
987 | # If you add tests here update also the above skip block for VMS. | |
bbd7eb8a | 988 | } |
a8c7c11a HS |
989 | |
990 | { | |
991 | # [ID 20020704.001] taint propagation failure | |
992 | use re 'taint'; | |
993 | $TAINT =~ /(.*)/; | |
994 | test 206, tainted(my $foo = $1); | |
995 | } | |
7b756e0a RGS |
996 | |
997 | { | |
c038024b RGS |
998 | # [perl #24291] this used to dump core |
999 | our %nonmagicalenv = ( PATH => "util" ); | |
7b756e0a RGS |
1000 | local *ENV = \%nonmagicalenv; |
1001 | eval { system("lskdfj"); }; | |
c038024b RGS |
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 RD |
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 DM |
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 AL |
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 | } |