FAQ sync.

[p5sagit/p5-mst-13.2.git] / t / op / taint.t

diff --git a/t/op/taint.t b/t/op/taint.t
index effb12c..7c83019 100755 (executable)
--- a/t/op/taint.t
+++ b/t/op/taint.t
@@ -15,6 +15,20 @@ BEGIN {
 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;
 
 # We do not want the whole taint.t to fail
@@ -109,7 +123,7 @@ print PROG 'print "@ARGV\n"', "\n";
 close PROG;
 my $echo = "$Invoke_Perl $ECHO";
 
-print "1..174\n";
+print "1..183\n";
 
 # First, let's make sure that Perl is checking the dangerous
 # environment variables. Maybe they aren't set yet, so we'll
@@ -121,7 +135,7 @@ print "1..174\n";
     delete @ENV{@MoreEnv};
     $ENV{TERM} = 'dumb';
 
-    if ($Is_Cygwin) {
+    if ($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...
@@ -563,7 +577,7 @@ else {
 # 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);
@@ -839,3 +853,79 @@ else {
     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/;
+}