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