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|
#!perl -T
use strict;
use warnings;
use ExtUtils::PkgConfig ();
use File::Spec;
use File::Temp qw(tempfile);
use Test::More;
use Test::Exception;
use Config;
BEGIN {
eval 'use Test::Taint 1.06';
plan skip_all => 'Test::Taint 1.06 required for testing behaviors on tainted inputs' if $@;
};
BEGIN {
eval 'use Taint::Util 0.08 qw(untaint)';
plan skip_all => 'Taint::Util 0.08 required for testing behaviors on tainted inputs' if $@;
};
my ($key, $crt);
do {
# What can we do other than this...?
untaint $ENV{PATH};
my $OPENSSL = do {
if (defined(my $prefix = ExtUtils::PkgConfig->variable('openssl', 'prefix'))) {
my $OPENSSL = $prefix . '/bin/openssl' . $Config{exe_ext};
if (-x $OPENSSL) {
untaint $OPENSSL;
diag "Using `$OPENSSL' to generate a keypair";
$OPENSSL;
}
else {
plan skip_all => q{Executable `openssl' was not found};
}
}
else {
plan skip_all => q{No package `openssl' found};
}
};
my ($conf_fh, $conf_file) = tempfile(UNLINK => 1);
print {$conf_fh} <<'EOF';
[ req ]
distinguished_name = req_distinguished_name
attributes = req_attributes
prompt = no
[ req_distinguished_name ]
C = AU
ST = Some-State
L = Test Locality
O = Organization Name
OU = Organizational Unit Name
CN = Common Name
emailAddress = test@email.address
[ req_attributes ]
EOF
close $conf_fh;
my $DEVNULL = File::Spec->devnull();
my (undef, $key_file) = tempfile(UNLINK => 1);
my (undef, $csr_file) = tempfile(UNLINK => 1);
my (undef, $crt_file) = tempfile(UNLINK => 1);
system(qq{$OPENSSL genrsa -out $key_file >$DEVNULL 2>&1}) and die $!;
system(qq{$OPENSSL req -new -key $key_file -out $csr_file -config $conf_file >$DEVNULL 2>&1}) and die $!;
system(qq{$OPENSSL x509 -in $csr_file -out $crt_file -req -signkey $key_file -set_serial 1 >$DEVNULL 2>&1}) and die $!;
$key = do {
local $/;
open my $fh, '<', $key_file or die $!;
scalar <$fh>;
};
$crt = do {
local $/;
open my $fh, '<', $crt_file or die $!;
scalar <$fh>;
};
};
my $plain = q{From: alice@example.org
To: bob@example.org
Subject: Crypt::SMIME test
This is a test mail. Please ignore...
};
$plain =~ s/\r?\n|\r/\r\n/g;
my $verify = q{Subject: Crypt::SMIME test
This is a test mail. Please ignore...
};
$verify =~ s/\r?\n|\r/\r\n/g;
# -----------------------------------------------------------------------------
plan tests => 7;
use_ok('Crypt::SMIME');
taint_checking_ok();
subtest 'Untainted' => sub {
plan tests => 20;
my $smime = Crypt::SMIME->new();
untaint $key;
untaint $crt;
lives_ok {$smime->setPrivateKey($key, $crt)} 'Set an untainted keypair';
lives_ok {$smime->setPublicKey($crt)} 'Set un untainted public key';
lives_ok {$smime->setPublicKey([$crt])} 'Set un untainted public key';
my $signed;
untaint $plain;
lives_ok {$signed = $smime->sign($plain)} 'Sign an untainted message';
untainted_ok $signed, 'The signed message shall be untainted';
lives_and {
ok $smime->isSigned($signed)
} 'isSigned() on an untainted signed message shall succeed';
my $verified;
lives_ok {$verified = $smime->check($signed)} 'Verify an untainted message';
untainted_ok $verified, 'The verified message shall be untainted';
lives_ok {
$smime->setAtTime(time);
$verified = $smime->check($signed);
} 'Verify an untainted message with untainted parameters';
untainted_ok $verified, 'The verified message shall still be untainted';
my $encrypted;
lives_ok {$encrypted = $smime->encrypt($plain)} 'Encrypt an untainted message';
untainted_ok $encrypted, 'The encrypted message shall be untainted';
lives_and {
ok $smime->isEncrypted($encrypted);
} 'isEncrypted() on an untainted encrypted message shall succeed';
my $decrypted;
lives_ok {$decrypted = $smime->decrypt($encrypted)} 'Decrypt an untainted message';
untainted_ok $decrypted, 'The decrypted message shall be untainted';
is $decrypted, $verify, 'The decrypted message matches to the original';
my $certs_ref;
lives_ok {$certs_ref = Crypt::SMIME::extractCertificates($signed)} 'Extract certificates from an untainted message';
untainted_ok_deeply $certs_ref, 'The extracted certificates shall be untainted';
lives_ok {$certs_ref = Crypt::SMIME::getSigners($signed)} 'Extract signer certificates from an untainted message';
untainted_ok_deeply $certs_ref, 'The extracted certificates shall be untainted';
};
subtest 'Tainted keypair' => sub {
plan tests => 18;
my $smime = Crypt::SMIME->new();
taint $key;
taint $crt;
lives_ok {$smime->setPrivateKey($key, $crt)} 'Set a tainted keypair';
untaint $crt;
lives_ok {$smime->setPublicKey($crt)} 'Set un untainted public key';
lives_ok {$smime->setPublicKey([$crt])} 'Set un untainted public key';
untainted_ok $smime, 'The context itself is not tainted';
my $signed;
untaint $plain;
lives_ok {$signed = $smime->sign($plain)} 'Sign an untainted message';
tainted_ok $signed, 'The signed message shall be tainted';
my $verified;
untaint $signed;
lives_ok {$verified = $smime->check($signed)} 'Verify an untainted message';
untainted_ok $verified, 'The verified message shall be untainted';
my $encrypted;
lives_ok {$encrypted = $smime->encrypt($plain)} 'Encrypt an untainted message';
untainted_ok $encrypted, 'The encrypted message shall be untainted';
lives_and {
ok $smime->isEncrypted($encrypted);
} 'isEncrypted() on an untainted encrypted message shall succeed';
my $decrypted;
lives_ok {$decrypted = $smime->decrypt($encrypted)} 'Decrypt an untainted message';
tainted_ok $decrypted, 'The decrypted message shall be tainted';
is $decrypted, $verify, 'The decrypted message matches to the original';
my $certs_ref;
taint $signed;
lives_ok {$certs_ref = Crypt::SMIME::extractCertificates($signed)} 'Extract certificates from a tainted message';
tainted_ok_deeply $certs_ref, 'The extracted certificates shall be tainted';
lives_ok {$certs_ref = Crypt::SMIME::getSigners($signed)} 'Extract signer certificates from an tainted message';
tainted_ok_deeply $certs_ref, 'The extracted certificates shall be tainted';
};
subtest 'Tainted plain text' => sub {
plan tests => 13;
my $smime = Crypt::SMIME->new();
untaint $key;
untaint $crt;
lives_ok {$smime->setPrivateKey($key, $crt)} 'Set an untainted keypair';
lives_ok {$smime->setPublicKey($crt)} 'Set an untainted public key';
lives_ok {$smime->setPublicKey([$crt])} 'Set an untainted public key';
my $signed;
taint $plain;
lives_ok {$signed = $smime->sign($plain)} 'Sign a tainted message';
tainted_ok $signed, 'The signed message shall be tainted';
my $verified;
lives_ok {$verified = $smime->check($signed)} 'Verify a tainted message';
tainted_ok $verified, 'The verified message shall be tainted (because we haven\'t verified the cleanliness of message itself)';
my $encrypted;
lives_ok {$encrypted = $smime->encrypt($plain)} 'Encrypt a tainted message';
tainted_ok $encrypted, 'The encrypted message shall be tainted';
lives_and {
ok $smime->isEncrypted($encrypted);
} 'isEncrypted() on a tainted encrypted message shall succeed';
my $decrypted;
lives_ok {$decrypted = $smime->decrypt($encrypted)} 'Decrypt a tainted message';
tainted_ok $decrypted, 'The decrypted message shall be tainted';
is $decrypted, $verify, 'The decrypted message matches to the original';
};
subtest 'Tainted public keys' => sub {
plan tests => 20;
my $smime = Crypt::SMIME->new();
untaint $key;
untaint $crt;
lives_ok {$smime->setPrivateKey($key, $crt)} 'Set an untainted keypair';
taint $crt;
lives_ok {$smime->setPublicKey($crt)} 'Set a tainted public key';
lives_ok {$smime->setPublicKey([$crt])} 'Set a tainted public key';
my $signed;
untaint $plain;
lives_ok {$signed = $smime->sign($plain)} 'Sign an untainted message';
tainted_ok $signed, 'The signed message shall be tainted (because we signed it with a tainted key)';
my $verified;
untaint $signed;
lives_ok {$verified = $smime->check($signed)} 'Verify an untainted message';
tainted_ok $verified, 'The verified message shall be tainted (because we verified it with a tainted key)';
my $encrypted;
lives_ok {$encrypted = $smime->encrypt($plain)} 'Encrypt an untainted message';
tainted_ok $encrypted, 'The encrypted message shall be tainted (because we encrypted it with a tainted key)';
lives_and {
ok $smime->isEncrypted($encrypted);
} 'isEncrypted() on a tainted encrypted message shall succeed';
my $decrypted;
lives_ok {$decrypted = $smime->decrypt($encrypted)} 'Decrypt a tainted message';
tainted_ok $decrypted, 'The decrypted message shall be tainted';
is $decrypted, $verify, 'The decrypted message matches to the original';
lives_ok {$smime->setPublicKeyStore()} 'Load the default public key store';
lives_ok {$signed = $smime->sign($plain)} 'Sign an untainted message';
tainted_ok $signed, 'The signed message shall be tainted (because we haven\'t removed our tainted key)';
lives_ok {$smime->setPublicKey([])} 'Clear the public key store';
lives_ok {$smime->setPublicKeyStore()} 'Load the default public key store';
lives_ok {$signed = $smime->sign($plain)} 'Sign an untainted message';
untainted_ok $signed, 'The signed message shall be untainted now';
};
subtest 'Tainted verification parameters' => sub {
plan tests => 9;
my $smime = Crypt::SMIME->new();
untaint $key;
untaint $crt;
lives_ok {$smime->setPrivateKey($key, $crt)} 'Set an untainted keypair';
lives_ok {$smime->setPublicKey($crt)} 'Set an untainted public key';
lives_ok {$smime->setPublicKey([$crt])} 'Set an untainted public key';
my $signed;
untaint $plain;
lives_ok {$signed = $smime->sign($plain)} 'Sign an untainted message';
untainted_ok $signed, 'The signed message shall be untainted';
my $verified;
lives_ok {$verified = $smime->check($signed)} 'Verify an untainted message';
untainted_ok $verified, 'The verified message shall be untainted';
lives_ok {
my $time = time;
taint $time;
$smime->setAtTime($time);
$verified = $smime->check($signed);
} 'Verify an untainted message with tainted parameters';
tainted_ok $verified, 'The verified message shall be tainted';
};
|
