X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/fac76ed70b2818d69c47c57bd5b63a636a19a037..161720b2bf5213fa196f98898fc983804d595589:/t/op/taint.t diff --git a/t/op/taint.t b/t/op/taint.t index 22bb574..07b9f48 100755 --- a/t/op/taint.t +++ b/t/op/taint.t @@ -9,16 +9,53 @@ BEGIN { chdir 't' if -d 't'; - @INC = '../lib' if -d '../lib'; + @INC = '../lib'; } use strict; use Config; +my $test = 177; +sub ok ($;$) { + my($ok, $name) = @_; + + # You have to do it this way or VMS will get confused. + print $ok ? "ok $test - $name\n" : "not ok $test - $name\n"; + + printf "# Failed test at line %d\n", (caller)[2] unless $ok; + + $test++; + return $ok; +} + + +$| = 1; + +use vars qw($ipcsysv); # did we manage to load IPC::SysV? + +BEGIN { + if ($^O eq 'VMS' && !defined($Config{d_setenv})) { + $ENV{PATH} = $ENV{PATH}; + $ENV{TERM} = $ENV{TERM} ne ''? $ENV{TERM} : 'dummy'; + } + if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ + && ($Config{d_shm} || $Config{d_msg})) { + eval { require IPC::SysV }; + unless ($@) { + $ipcsysv++; + IPC::SysV->import(qw(IPC_PRIVATE IPC_RMID IPC_CREAT S_IRWXU)); + } + } +} + my $Is_VMS = $^O eq 'VMS'; my $Is_MSWin32 = $^O eq 'MSWin32'; +my $Is_NetWare = $^O eq 'NetWare'; +my $Is_Dos = $^O eq 'dos'; +my $Is_Cygwin = $^O eq 'cygwin'; my $Invoke_Perl = $Is_VMS ? 'MCR Sys$Disk:[]Perl.' : - $Is_MSWin32 ? '.\perl' : './perl'; + ($Is_MSWin32 ? '.\perl' : + ($Is_NetWare ? 'perl' : './perl')); my @MoreEnv = qw/IFS CDPATH ENV BASH_ENV/; if ($Is_VMS) { @@ -28,9 +65,9 @@ if ($Is_VMS) { } eval < $ECHO" or die "Can't create $ECHO: $!"; print PROG 'print "@ARGV\n"', "\n"; close PROG; my $echo = "$Invoke_Perl $ECHO"; -print "1..140\n"; +print "1..203\n"; # First, let's make sure that Perl is checking the dangerous # environment variables. Maybe they aren't set yet, so we'll @@ -94,9 +131,15 @@ print "1..140\n"; delete @ENV{@MoreEnv}; $ENV{TERM} = 'dumb'; + if ($Is_Cygwin && ! -f 'cygwin1.dll') { + system("/usr/bin/cp /usr/bin/cygwin1.dll .") && + die "$0: failed to cp cygwin1.dll: $!\n"; + END { unlink "cygwin1.dll" } # yes, done for all platforms... + } + test 1, eval { `$echo 1` } eq "1\n"; - if ($Is_MSWin32 || $Is_VMS) { + if ($Is_MSWin32 || $Is_NetWare || $Is_VMS || $Is_Dos) { print "# Environment tainting tests skipped\n"; for (2..5) { print "ok $_\n" } } @@ -120,9 +163,12 @@ print "1..140\n"; } my $tmp; - unless ($^O eq 'os2' || $^O eq 'amigaos' || $Is_MSWin32) { + if ($^O eq 'os2' || $^O eq 'amigaos' || $Is_MSWin32 || $Is_NetWare || $Is_Dos) { + print "# all directories are writeable\n"; + } + else { $tmp = (grep { defined and -d and (stat _)[2] & 2 } - qw(/tmp /var/tmp /usr/tmp /sys$scratch), + qw(sys$scratch /tmp /var/tmp /usr/tmp), @ENV{qw(TMP TEMP)})[0] or print "# can't find world-writeable directory to test PATH\n"; } @@ -183,12 +229,28 @@ print "1..140\n"; test 20, not tainted $foo; test 21, $foo eq 'bar'; + { + use re 'taint'; + + ($foo) = ('bar' . $TAINT) =~ /(.+)/; + test 22, tainted $foo; + test 23, $foo eq 'bar'; + + $foo = $1 if ('bar' . $TAINT) =~ /(.+)/; + test 24, tainted $foo; + test 25, $foo eq 'bar'; + } + + $foo = $1 if 'bar' =~ /(.+)$TAINT/; + test 26, tainted $foo; + test 27, $foo eq 'bar'; + my $pi = 4 * atan2(1,1) + $TAINT0; - test 22, tainted $pi; + test 28, tainted $pi; ($pi) = $pi =~ /(\d+\.\d+)/; - test 23, not tainted $pi; - test 24, sprintf("%.5f", $pi) eq '3.14159'; + test 29, not tainted $pi; + test 30, sprintf("%.5f", $pi) eq '3.14159'; } # How about command-line arguments? The problem is that we don't @@ -204,146 +266,154 @@ print "1..140\n"; }; close PROG; print `$Invoke_Perl "-T" $arg and some suspect arguments`; - test 25, !$?, "Exited with status $?"; + test 31, !$?, "Exited with status $?"; unlink $arg; } # Reading from a file should be tainted { my $file = './TEST'; - test 26, open(FILE, $file), "Couldn't open '$file': $!"; + test 32, open(FILE, $file), "Couldn't open '$file': $!"; my $block; sysread(FILE, $block, 100); my $line = ; close FILE; - test 27, tainted $block; - test 28, tainted $line; + test 33, tainted $block; + test 34, tainted $line; } # Globs should be forbidden, except under VMS, # which doesn't spawn an external program. -if ($Is_VMS) { - for (29..30) { print "ok $_\n"; } +if (1 # built-in glob + or $Is_VMS) { + for (35..36) { print "ok $_\n"; } } else { my @globs = eval { <*> }; - test 29, @globs == 0 && $@ =~ /^Insecure dependency/; + test 35, @globs == 0 && $@ =~ /^Insecure dependency/; @globs = eval { glob '*' }; - test 30, @globs == 0 && $@ =~ /^Insecure dependency/; + test 36, @globs == 0 && $@ =~ /^Insecure dependency/; } # Output of commands should be tainted { my $foo = `$echo abc`; - test 31, tainted $foo; + test 37, tainted $foo; } # Certain system variables should be tainted { - test 32, all_tainted $^X, $0; + test 38, all_tainted $^X, $0; } # Results of matching should all be untainted { my $foo = "abcdefghi" . $TAINT; - test 33, tainted $foo; + test 39, tainted $foo; $foo =~ /def/; - test 34, not any_tainted $`, $&, $'; + test 40, not any_tainted $`, $&, $'; $foo =~ /(...)(...)(...)/; - test 35, not any_tainted $1, $2, $3, $+; + test 41, not any_tainted $1, $2, $3, $+; my @bar = $foo =~ /(...)(...)(...)/; - test 36, not any_tainted @bar; + test 42, not any_tainted @bar; - test 37, tainted $foo; # $foo should still be tainted! - test 38, $foo eq "abcdefghi"; + test 43, tainted $foo; # $foo should still be tainted! + test 44, $foo eq "abcdefghi"; } # Operations which affect files can't use tainted data. { - test 39, eval { chmod 0, $TAINT } eq '', 'chmod'; - test 40, $@ =~ /^Insecure dependency/, $@; + test 45, eval { chmod 0, $TAINT } eq '', 'chmod'; + test 46, $@ =~ /^Insecure dependency/, $@; # There is no feature test in $Config{} for truncate, # so we allow for the possibility that it's missing. - test 41, eval { truncate 'NoSuChFiLe', $TAINT0 } eq '', 'truncate'; - test 42, $@ =~ /^(?:Insecure dependency|truncate not implemented)/, $@; + test 47, eval { truncate 'NoSuChFiLe', $TAINT0 } eq '', 'truncate'; + test 48, $@ =~ /^(?:Insecure dependency|truncate not implemented)/, $@; - test 43, eval { rename '', $TAINT } eq '', 'rename'; - test 44, $@ =~ /^Insecure dependency/, $@; + test 49, eval { rename '', $TAINT } eq '', 'rename'; + test 50, $@ =~ /^Insecure dependency/, $@; - test 45, eval { unlink $TAINT } eq '', 'unlink'; - test 46, $@ =~ /^Insecure dependency/, $@; + test 51, eval { unlink $TAINT } eq '', 'unlink'; + test 52, $@ =~ /^Insecure dependency/, $@; - test 47, eval { utime $TAINT } eq '', 'utime'; - test 48, $@ =~ /^Insecure dependency/, $@; + test 53, eval { utime $TAINT } eq '', 'utime'; + test 54, $@ =~ /^Insecure dependency/, $@; if ($Config{d_chown}) { - test 49, eval { chown -1, -1, $TAINT } eq '', 'chown'; - test 50, $@ =~ /^Insecure dependency/, $@; + test 55, eval { chown -1, -1, $TAINT } eq '', 'chown'; + test 56, $@ =~ /^Insecure dependency/, $@; } else { - for (49..50) { print "ok $_ # Skipped: chown() is not available\n" } + for (55..56) { print "ok $_ # Skipped: chown() is not available\n" } } if ($Config{d_link}) { - test 51, eval { link $TAINT, '' } eq '', 'link'; - test 52, $@ =~ /^Insecure dependency/, $@; + test 57, eval { link $TAINT, '' } eq '', 'link'; + test 58, $@ =~ /^Insecure dependency/, $@; } else { - for (51..52) { print "ok $_ # Skipped: link() is not available\n" } + for (57..58) { print "ok $_ # Skipped: link() is not available\n" } } if ($Config{d_symlink}) { - test 53, eval { symlink $TAINT, '' } eq '', 'symlink'; - test 54, $@ =~ /^Insecure dependency/, $@; + test 59, eval { symlink $TAINT, '' } eq '', 'symlink'; + test 60, $@ =~ /^Insecure dependency/, $@; } else { - for (53..54) { print "ok $_ # Skipped: symlink() is not available\n" } + for (59..60) { print "ok $_ # Skipped: symlink() is not available\n" } } } # Operations which affect directories can't use tainted data. { - test 55, eval { mkdir $TAINT0, $TAINT } eq '', 'mkdir'; - test 56, $@ =~ /^Insecure dependency/, $@; + test 61, eval { mkdir $TAINT0, $TAINT } eq '', 'mkdir'; + test 62, $@ =~ /^Insecure dependency/, $@; - test 57, eval { rmdir $TAINT } eq '', 'rmdir'; - test 58, $@ =~ /^Insecure dependency/, $@; + test 63, eval { rmdir $TAINT } eq '', 'rmdir'; + test 64, $@ =~ /^Insecure dependency/, $@; - test 59, eval { chdir $TAINT } eq '', 'chdir'; - test 60, $@ =~ /^Insecure dependency/, $@; + test 65, eval { chdir $TAINT } eq '', 'chdir'; + test 66, $@ =~ /^Insecure dependency/, $@; if ($Config{d_chroot}) { - test 61, eval { chroot $TAINT } eq '', 'chroot'; - test 62, $@ =~ /^Insecure dependency/, $@; + test 67, eval { chroot $TAINT } eq '', 'chroot'; + test 68, $@ =~ /^Insecure dependency/, $@; } else { - for (61..62) { print "ok $_ # Skipped: chroot() is not available\n" } + for (67..68) { print "ok $_ # Skipped: chroot() is not available\n" } } } # Some operations using files can't use tainted data. { my $foo = "imaginary library" . $TAINT; - test 63, eval { require $foo } eq '', 'require'; - test 64, $@ =~ /^Insecure dependency/, $@; + test 69, eval { require $foo } eq '', 'require'; + test 70, $@ =~ /^Insecure dependency/, $@; my $filename = "./taintB$$"; # NB: $filename isn't tainted! END { unlink $filename if defined $filename } $foo = $filename . $TAINT; unlink $filename; # in any case - test 65, eval { open FOO, $foo } eq '', 'open for read'; - test 66, $@ eq '', $@; # NB: This should be allowed - test 67, $! == 2; # File not found + test 71, eval { open FOO, $foo } eq '', 'open for read'; + test 72, $@ eq '', $@; # NB: This should be allowed + + # Try first new style but allow also old style. + # We do not want the whole taint.t to fail + # just because Errno possibly failing. + test 73, eval('$!{ENOENT}') || + $! == 2 || # File not found + ($Is_Dos && $! == 22) || + ($^O eq 'mint' && $! == 33); - test 68, eval { open FOO, "> $foo" } eq '', 'open for write'; - test 69, $@ =~ /^Insecure dependency/, $@; + test 74, eval { open FOO, "> $foo" } eq '', 'open for write'; + test 75, $@ =~ /^Insecure dependency/, $@; } # Commands to the system can't use tainted data @@ -351,67 +421,67 @@ else { my $foo = $TAINT; if ($^O eq 'amigaos') { - for (70..73) { print "ok $_ # Skipped: open('|') is not available\n" } + for (76..79) { print "ok $_ # Skipped: open('|') is not available\n" } } else { - test 70, eval { open FOO, "| $foo" } eq '', 'popen to'; - test 71, $@ =~ /^Insecure dependency/, $@; + test 76, eval { open FOO, "| x$foo" } eq '', 'popen to'; + test 77, $@ =~ /^Insecure dependency/, $@; - test 72, eval { open FOO, "$foo |" } eq '', 'popen from'; - test 73, $@ =~ /^Insecure dependency/, $@; + test 78, eval { open FOO, "x$foo |" } eq '', 'popen from'; + test 79, $@ =~ /^Insecure dependency/, $@; } - test 74, eval { exec $TAINT } eq '', 'exec'; - test 75, $@ =~ /^Insecure dependency/, $@; + test 80, eval { exec $TAINT } eq '', 'exec'; + test 81, $@ =~ /^Insecure dependency/, $@; - test 76, eval { system $TAINT } eq '', 'system'; - test 77, $@ =~ /^Insecure dependency/, $@; + test 82, eval { system $TAINT } eq '', 'system'; + test 83, $@ =~ /^Insecure dependency/, $@; $foo = "*"; taint_these $foo; - test 78, eval { `$echo 1$foo` } eq '', 'backticks'; - test 79, $@ =~ /^Insecure dependency/, $@; + test 84, eval { `$echo 1$foo` } eq '', 'backticks'; + test 85, $@ =~ /^Insecure dependency/, $@; if ($Is_VMS) { # wildcard expansion doesn't invoke shell, so is safe - test 80, join('', eval { glob $foo } ) ne '', 'globbing'; - test 81, $@ eq '', $@; + test 86, join('', eval { glob $foo } ) ne '', 'globbing'; + test 87, $@ eq '', $@; } else { - for (80..81) { print "ok $_ # Skipped: this is not VMS\n"; } + for (86..87) { print "ok $_ # Skipped: this is not VMS\n"; } } } # Operations which affect processes can't use tainted data. { - test 82, eval { kill 0, $TAINT } eq '', 'kill'; - test 83, $@ =~ /^Insecure dependency/, $@; + test 88, eval { kill 0, $TAINT } eq '', 'kill'; + test 89, $@ =~ /^Insecure dependency/, $@; if ($Config{d_setpgrp}) { - test 84, eval { setpgrp 0, $TAINT } eq '', 'setpgrp'; - test 85, $@ =~ /^Insecure dependency/, $@; + test 90, eval { setpgrp 0, $TAINT } eq '', 'setpgrp'; + test 91, $@ =~ /^Insecure dependency/, $@; } else { - for (84..85) { print "ok $_ # Skipped: setpgrp() is not available\n" } + for (90..91) { print "ok $_ # Skipped: setpgrp() is not available\n" } } if ($Config{d_setprior}) { - test 86, eval { setpriority 0, $TAINT, $TAINT } eq '', 'setpriority'; - test 87, $@ =~ /^Insecure dependency/, $@; + test 92, eval { setpriority 0, $TAINT, $TAINT } eq '', 'setpriority'; + test 93, $@ =~ /^Insecure dependency/, $@; } else { - for (86..87) { print "ok $_ # Skipped: setpriority() is not available\n" } + for (92..93) { print "ok $_ # Skipped: setpriority() is not available\n" } } } # Some miscellaneous operations can't use tainted data. { if ($Config{d_syscall}) { - test 88, eval { syscall $TAINT } eq '', 'syscall'; - test 89, $@ =~ /^Insecure dependency/, $@; + test 94, eval { syscall $TAINT } eq '', 'syscall'; + test 95, $@ =~ /^Insecure dependency/, $@; } else { - for (88..89) { print "ok $_ # Skipped: syscall() is not available\n" } + for (94..95) { print "ok $_ # Skipped: syscall() is not available\n" } } { @@ -420,17 +490,17 @@ else { local *FOO; my $temp = "./taintC$$"; END { unlink $temp } - test 90, open(FOO, "> $temp"), "Couldn't open $temp for write: $!"; + test 96, open(FOO, "> $temp"), "Couldn't open $temp for write: $!"; - test 91, eval { ioctl FOO, $TAINT, $foo } eq '', 'ioctl'; - test 92, $@ =~ /^Insecure dependency/, $@; + test 97, eval { ioctl FOO, $TAINT, $foo } eq '', 'ioctl'; + test 98, $@ =~ /^Insecure dependency/, $@; if ($Config{d_fcntl}) { - test 93, eval { fcntl FOO, $TAINT, $foo } eq '', 'fcntl'; - test 94, $@ =~ /^Insecure dependency/, $@; + test 99, eval { fcntl FOO, $TAINT, $foo } eq '', 'fcntl'; + test 100, $@ =~ /^Insecure dependency/, $@; } else { - for (93..94) { print "ok $_ # Skipped: fcntl() is not available\n" } + for (99..100) { print "ok $_ # Skipped: fcntl() is not available\n" } } close FOO; @@ -441,96 +511,96 @@ else { { my $foo = 'abc' . $TAINT; my $fooref = \$foo; - test 95, not tainted $fooref; - test 96, tainted $$fooref; - test 97, tainted $foo; + test 101, not tainted $fooref; + test 102, tainted $$fooref; + test 103, tainted $foo; } # Some tests involving assignment { my $foo = $TAINT0; my $bar = $foo; - test 98, all_tainted $foo, $bar; - test 99, tainted($foo = $bar); - test 100, tainted($bar = $bar); - test 101, tainted($bar += $bar); - test 102, tainted($bar -= $bar); - test 103, tainted($bar *= $bar); - test 104, tainted($bar++); - test 105, tainted($bar /= $bar); - test 106, tainted($bar += 0); - test 107, tainted($bar -= 2); - test 108, tainted($bar *= -1); - test 109, tainted($bar /= 1); - test 110, tainted($bar--); - test 111, $bar == 0; + test 104, all_tainted $foo, $bar; + test 105, tainted($foo = $bar); + test 106, tainted($bar = $bar); + test 107, tainted($bar += $bar); + test 108, tainted($bar -= $bar); + test 109, tainted($bar *= $bar); + test 110, tainted($bar++); + test 111, tainted($bar /= $bar); + test 112, tainted($bar += 0); + test 113, tainted($bar -= 2); + test 114, tainted($bar *= -1); + test 115, tainted($bar /= 1); + test 116, tainted($bar--); + test 117, $bar == 0; } # Test assignment and return of lists { my @foo = ("A", "tainted" . $TAINT, "B"); - test 112, not tainted $foo[0]; - test 113, tainted $foo[1]; - test 114, not tainted $foo[2]; + test 118, not tainted $foo[0]; + test 119, tainted $foo[1]; + test 120, not tainted $foo[2]; my @bar = @foo; - test 115, not tainted $bar[0]; - test 116, tainted $bar[1]; - test 117, not tainted $bar[2]; + test 121, not tainted $bar[0]; + test 122, tainted $bar[1]; + test 123, not tainted $bar[2]; my @baz = eval { "A", "tainted" . $TAINT, "B" }; - test 118, not tainted $baz[0]; - test 119, tainted $baz[1]; - test 120, not tainted $baz[2]; + test 124, not tainted $baz[0]; + test 125, tainted $baz[1]; + test 126, not tainted $baz[2]; my @plugh = eval q[ "A", "tainted" . $TAINT, "B" ]; - test 121, not tainted $plugh[0]; - test 122, tainted $plugh[1]; - test 123, not tainted $plugh[2]; + test 127, not tainted $plugh[0]; + test 128, tainted $plugh[1]; + test 129, not tainted $plugh[2]; my $nautilus = sub { "A", "tainted" . $TAINT, "B" }; - test 124, not tainted ((&$nautilus)[0]); - test 125, tainted ((&$nautilus)[1]); - test 126, not tainted ((&$nautilus)[2]); + test 130, not tainted ((&$nautilus)[0]); + test 131, tainted ((&$nautilus)[1]); + test 132, not tainted ((&$nautilus)[2]); my @xyzzy = &$nautilus; - test 127, not tainted $xyzzy[0]; - test 128, tainted $xyzzy[1]; - test 129, not tainted $xyzzy[2]; + test 133, not tainted $xyzzy[0]; + test 134, tainted $xyzzy[1]; + test 135, not tainted $xyzzy[2]; my $red_october = sub { return "A", "tainted" . $TAINT, "B" }; - test 130, not tainted ((&$red_october)[0]); - test 131, tainted ((&$red_october)[1]); - test 132, not tainted ((&$red_october)[2]); + test 136, not tainted ((&$red_october)[0]); + test 137, tainted ((&$red_october)[1]); + test 138, not tainted ((&$red_october)[2]); my @corge = &$red_october; - test 133, not tainted $corge[0]; - test 134, tainted $corge[1]; - test 135, not tainted $corge[2]; + test 139, not tainted $corge[0]; + test 140, tainted $corge[1]; + test 141, not tainted $corge[2]; } # Test for system/library calls returning string data of dubious origin. { # No reliable %Config check for getpw* - if (eval { setpwent(); getpwent(); 1 }) { + if (eval { setpwent(); getpwent() }) { setpwent(); my @getpwent = getpwent(); die "getpwent: $!\n" unless (@getpwent); - test 136,( not tainted $getpwent[0] - and not tainted $getpwent[1] + test 142,( not tainted $getpwent[0] + and tainted $getpwent[1] and not tainted $getpwent[2] and not tainted $getpwent[3] and not tainted $getpwent[4] and not tainted $getpwent[5] - and tainted $getpwent[6] # gecos + and tainted $getpwent[6] # ge?cos and not tainted $getpwent[7] - and not tainted $getpwent[8]); + and tainted $getpwent[8]); # shell endpwent(); } else { - print "ok 136 # Skipped: getpwent() is not available\n"; + for (142) { print "ok $_ # Skipped: getpwent() is not available\n" } } if ($Config{d_readdir}) { # pretty hard to imagine not local(*D); opendir(D, "op") or die "opendir: $!\n"; my $readdir = readdir(D); - test 137, tainted $readdir; + test 143, tainted $readdir; closedir(OP); } else { - print "ok 137 # Skipped: readdir() is not available\n"; + for (143) { print "ok $_ # Skipped: readdir() is not available\n" } } if ($Config{d_readlink} && $Config{d_symlink}) { @@ -538,10 +608,10 @@ else { unlink($symlink); symlink("/something/naughty", $symlink) or die "symlink: $!\n"; my $readlink = readlink($symlink); - test 138, tainted $readlink; + test 144, tainted $readlink; unlink($symlink); } else { - print "ok 138 # Skipped: readlink() or symlink() is not available\n"; + for (144) { print "ok $_ # Skipped: readlink() or symlink() is not available\n"; } } } @@ -549,9 +619,343 @@ else { { my $why = "y"; my $j = "x" | $why; - test 139, not tainted $j; + test 145, not tainted $j; $why = $TAINT."y"; $j = "x" | $why; - test 140, tainted $j; + test 146, tainted $j; +} + +# test target of substitution (regression bug) +{ + my $why = $TAINT."y"; + $why =~ s/y/z/; + test 147, tainted $why; + + my $z = "[z]"; + $why =~ s/$z/zee/; + test 148, tainted $why; + + $why =~ s/e/'-'.$$/ge; + test 149, tainted $why; +} + +# test shmread +{ + unless ($ipcsysv) { + print "ok 150 # skipped: no IPC::SysV\n"; + last; + } + if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ && $Config{d_shm}) { + no strict 'subs'; + my $sent = "foobar"; + my $rcvd; + my $size = 2000; + my $id = shmget(IPC_PRIVATE, $size, S_IRWXU); + + if (defined $id) { + if (shmwrite($id, $sent, 0, 60)) { + if (shmread($id, $rcvd, 0, 60)) { + substr($rcvd, index($rcvd, "\0")) = ''; + } else { + warn "# shmread failed: $!\n"; + } + } else { + warn "# shmwrite failed: $!\n"; + } + shmctl($id, IPC_RMID, 0) or warn "# shmctl failed: $!\n"; + } else { + warn "# shmget failed: $!\n"; + } + + if ($rcvd eq $sent) { + test 150, tainted $rcvd; + } else { + print "ok 150 # Skipped: SysV shared memory operation failed\n"; + } + } else { + print "ok 150 # Skipped: SysV shared memory is not available\n"; + } +} + +# test msgrcv +{ + unless ($ipcsysv) { + print "ok 151 # skipped: no IPC::SysV\n"; + last; + } + if ($Config{'extensions'} =~ /\bIPC\/SysV\b/ && $Config{d_msg}) { + no strict 'subs'; + my $id = msgget(IPC_PRIVATE, IPC_CREAT | S_IRWXU); + + my $sent = "message"; + my $type_sent = 1234; + my $rcvd; + my $type_rcvd; + + if (defined $id) { + if (msgsnd($id, pack("l! a*", $type_sent, $sent), 0)) { + if (msgrcv($id, $rcvd, 60, 0, 0)) { + ($type_rcvd, $rcvd) = unpack("l! a*", $rcvd); + } else { + warn "# msgrcv failed\n"; + } + } else { + warn "# msgsnd failed\n"; + } + msgctl($id, IPC_RMID, 0) or warn "# msgctl failed: $!\n"; + } else { + warn "# msgget failed\n"; + } + + if ($rcvd eq $sent && $type_sent == $type_rcvd) { + test 151, tainted $rcvd; + } else { + print "ok 151 # Skipped: SysV message queue operation failed\n"; + } + } else { + print "ok 151 # Skipped: SysV message queues are not available\n"; + } } +{ + # bug id 20001004.006 + + open IN, "./TEST" or warn "$0: cannot read ./TEST: $!" ; + local $/; + my $a = ; + my $b = ; + print "not " unless tainted($a) && tainted($b) && !defined($b); + print "ok 152\n"; + close IN; +} + +{ + # bug id 20001004.007 + + open IN, "./TEST" or warn "$0: cannot read ./TEST: $!" ; + my $a = ; + + my $c = { a => 42, + b => $a }; + print "not " unless !tainted($c->{a}) && tainted($c->{b}); + print "ok 153\n"; + + my $d = { a => $a, + b => 42 }; + print "not " unless tainted($d->{a}) && !tainted($d->{b}); + print "ok 154\n"; + + my $e = { a => 42, + b => { c => $a, d => 42 } }; + print "not " unless !tainted($e->{a}) && + !tainted($e->{b}) && + tainted($e->{b}->{c}) && + !tainted($e->{b}->{d}); + print "ok 155\n"; + + close IN; +} + +{ + # bug id 20010519.003 + + BEGIN { + use vars qw($has_fcntl); + eval { require Fcntl; import Fcntl; }; + unless ($@) { + $has_fcntl = 1; + } + } + + unless ($has_fcntl) { + for (156..173) { + print "ok $_ # Skip: no Fcntl (no dynaloading?)\n"; + } + } else { + my $evil = "foo" . $TAINT; + + eval { sysopen(my $ro, $evil, &O_RDONLY) }; + test 156, $@ !~ /^Insecure dependency/, $@; + + eval { sysopen(my $wo, $evil, &O_WRONLY) }; + test 157, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $rw, $evil, &O_RDWR) }; + test 158, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $ap, $evil, &O_APPEND) }; + test 159, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $cr, $evil, &O_CREAT) }; + test 160, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $tr, $evil, &O_TRUNC) }; + test 161, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $ro, "foo", &O_RDONLY | $evil) }; + test 162, $@ !~ /^Insecure dependency/, $@; + + eval { sysopen(my $wo, "foo", &O_WRONLY | $evil) }; + test 163, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $rw, "foo", &O_RDWR | $evil) }; + test 164, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $ap, "foo", &O_APPEND | $evil) }; + test 165, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $cr, "foo", &O_CREAT | $evil) }; + test 166, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $tr, "foo", &O_TRUNC | $evil) }; + test 167, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $ro, "foo", &O_RDONLY, $evil) }; + test 168, $@ !~ /^Insecure dependency/, $@; + + eval { sysopen(my $wo, "foo", &O_WRONLY, $evil) }; + test 169, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $rw, "foo", &O_RDWR, $evil) }; + test 170, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $ap, "foo", &O_APPEND, $evil) }; + test 171, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $cr, "foo", &O_CREAT, $evil) }; + test 172, $@ =~ /^Insecure dependency/, $@; + + eval { sysopen(my $tr, "foo", &O_TRUNC, $evil) }; + test 173, $@ =~ /^Insecure dependency/, $@; + + unlink("foo"); # not unlink($evil), because that would fail... + } +} + +{ + # bug 20010526.004 + + use warnings; + + local $SIG{__WARN__} = sub { print "not " }; + + sub fmi { + my $divnum = shift()/1; + sprintf("%1.1f\n", $divnum); + } + + fmi(21 . $TAINT); + fmi(37); + fmi(248); + + print "ok 174\n"; +} + + +{ + # Bug ID 20010730.010 + + my $i = 0; + + sub Tie::TIESCALAR { + my $class = shift; + my $arg = shift; + + bless \$arg => $class; + } + + sub Tie::FETCH { + $i ++; + ${$_ [0]} + } + + + package main; + + my $bar = "The Big Bright Green Pleasure Machine"; + taint_these $bar; + tie my ($foo), Tie => $bar; + + my $baz = $foo; + + print $i == 1 ? "ok 175\n" : "not ok 175\n" + +} + +{ + # Check that all environment variables are tainted. + my @untainted; + while (my ($k, $v) = each %ENV) { + if (!tainted($v) && + # These we have untainted explicitly earlier. + $k !~ /^(BASH_ENV|CDPATH|ENV|IFS|PATH|TEMP|TERM|TMP)$/) { + push @untainted, "# '$k' = '$v'\n"; + } + } + print @untainted == 0 ? "ok 176\n" : "not ok 176\n"; + print "# untainted:\n", @untainted if @untainted; +} + + +ok( ${^TAINT}, '$^TAINT is on' ); + +eval { ${^TAINT} = 0 }; +ok( ${^TAINT}, '$^TAINT is not assignable' ); +ok( $@ =~ /^Modification of a read-only value attempted/, + 'Assigning to ${^TAINT} fails' ); + +{ + # bug 20011111.105 + + my $re1 = qr/x$TAINT/; + test 180, tainted $re1; + + my $re2 = qr/^$re1\z/; + test 181, tainted $re2; + + my $re3 = "$re2"; + test 182, tainted $re3; +} + +if ($Is_MSWin32) { + print "ok 183 # Skipped: system {} has different semantics\n"; +} +else +{ + # bug 20010221.005 + local $ENV{PATH} .= $TAINT; + eval { system { "echo" } "/arg0", "arg1" }; + test 183, $@ =~ /^Insecure \$ENV/; +} +if ($Is_VMS) { + for (184..203) {print "not ok $_ # TODO tainted %ENV warning occludes tainted arguments warning\n";} +} +else +{ + # bug 20020208.005 plus some extras + # single arg exec/system are tests 80-83 + use if $] lt '5.009', warnings => FATAL => 'taint'; + my $err = $] ge '5.009' ? qr/^Insecure dependency/ + : qr/^Use of tainted arguments/; + test 184, eval { exec $TAINT, $TAINT } eq '', 'exec'; + test 185, $@ =~ $err, $@; + test 186, eval { exec $TAINT $TAINT } eq '', 'exec'; + test 187, $@ =~ $err, $@; + test 188, eval { exec $TAINT $TAINT, $TAINT } eq '', 'exec'; + test 189, $@ =~ $err, $@; + test 190, eval { exec $TAINT 'notaint' } eq '', 'exec'; + test 191, $@ =~ $err, $@; + test 192, eval { exec {'notaint'} $TAINT } eq '', 'exec'; + test 193, $@ =~ $err, $@; + + test 194, eval { system $TAINT, $TAINT } eq '', 'system'; + test 195, $@ =~ $err, $@; + test 196, eval { system $TAINT $TAINT } eq '', 'exec'; + test 197, $@ =~ $err, $@; + test 198, eval { system $TAINT $TAINT, $TAINT } eq '', 'exec'; + test 199, $@ =~ $err, $@; + test 200, eval { system $TAINT 'notaint' } eq '', 'exec'; + test 201, $@ =~ $err, $@; + test 202, eval { system {'notaint'} $TAINT } eq '', 'exec'; + test 203, $@ =~ $err, $@; +}