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Fix #81724: openssl_cms_encrypt only allows specific ciphers #19459

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Fix #81724: openssl_cms_encrypt only allows specific ciphers #19459

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22 changes: 16 additions & 6 deletions ext/openssl/openssl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3201,6 +3201,7 @@ PHP_FUNCTION(openssl_cms_encrypt)
X509 * cert;
const EVP_CIPHER *cipher = NULL;
zend_long cipherid = PHP_OPENSSL_CIPHER_DEFAULT;
zend_string *cipher_str = NULL;
zend_string * strindex;
char * infilename = NULL;
size_t infilename_len;
Expand All @@ -3210,11 +3211,16 @@ PHP_FUNCTION(openssl_cms_encrypt)

RETVAL_FALSE;

if (zend_parse_parameters(ZEND_NUM_ARGS(), "ppza!|lll", &infilename, &infilename_len,
&outfilename, &outfilename_len, &zrecipcerts, &zheaders, &flags, &encoding, &cipherid) == FAILURE) {
RETURN_THROWS();
}

ZEND_PARSE_PARAMETERS_START(4, 7)
Z_PARAM_PATH(infilename, infilename_len)
Z_PARAM_PATH(outfilename, outfilename_len)
Z_PARAM_ZVAL(zrecipcerts)
Z_PARAM_ARRAY_OR_NULL(zheaders)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(flags)
Z_PARAM_LONG(encoding)
Z_PARAM_STR_OR_LONG(cipher_str, cipherid)
ZEND_PARSE_PARAMETERS_END();

infile = php_openssl_bio_new_file(
infilename, infilename_len, 1, PHP_OPENSSL_BIO_MODE_R(flags));
Expand Down Expand Up @@ -3273,7 +3279,11 @@ PHP_FUNCTION(openssl_cms_encrypt)
}

/* sanity check the cipher */
cipher = php_openssl_get_evp_cipher_from_algo(cipherid);
if (cipher_str) {
cipher = php_openssl_get_evp_cipher_by_name(ZSTR_VAL(cipher_str));
} else {
cipher = php_openssl_get_evp_cipher_from_algo(cipherid);
}
if (cipher == NULL) {
/* shouldn't happen */
php_error_docref(NULL, E_WARNING, "Failed to get cipher");
Expand Down
2 changes: 1 addition & 1 deletion ext/openssl/openssl.stub.php
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Original file line number Diff line number Diff line change
Expand Up @@ -574,7 +574,7 @@ function openssl_pkcs7_read(string $data, &$certificates): bool {}
function openssl_cms_verify(string $input_filename, int $flags = 0, ?string $certificates = null, array $ca_info = [], ?string $untrusted_certificates_filename = null, ?string $content = null, ?string $pk7 = null, ?string $sigfile = null, int $encoding = OPENSSL_ENCODING_SMIME): bool {}

/** @param OpenSSLCertificate|array|string $certificate */
function openssl_cms_encrypt(string $input_filename, string $output_filename, $certificate, ?array $headers, int $flags = 0, int $encoding = OPENSSL_ENCODING_SMIME, int $cipher_algo = OPENSSL_CIPHER_AES_128_CBC): bool {}
function openssl_cms_encrypt(string $input_filename, string $output_filename, $certificate, ?array $headers, int $flags = 0, int $encoding = OPENSSL_ENCODING_SMIME, string|int $cipher_algo = OPENSSL_CIPHER_AES_128_CBC): bool {}

/**
* @param OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $private_key
Expand Down
4 changes: 2 additions & 2 deletions ext/openssl/openssl_arginfo.h
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34 changes: 34 additions & 0 deletions ext/openssl/tests/openssl_cms_encrypt_auth_env.phpt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
--TEST--
openssl_cms_encrypt() auth enveloped data tests
--EXTENSIONS--
openssl
--SKIPIF--
<?php
if (OPENSSL_VERSION_NUMBER < 0x30000000) die('skip For OpenSSL >= 3.0');
?>
--FILE--
<?php
$infile = __DIR__ . "/plain.txt";
$outfile = __DIR__ . "/openssl_cms_encrypt_auth_env.out1";
$outfile2 = __DIR__ . "/openssl_cms_encrypt_auth_env.out2";
$single_cert = "file://" . __DIR__ . "/cert.crt";
$privkey = "file://" . __DIR__ . "/private_rsa_1024.key";
$headers = array("test@test", "testing openssl_cms_encrypt()");
$cipher = "AES-128-GCM";

var_dump(openssl_cms_encrypt($infile, $outfile, $single_cert, $headers, cipher_algo: $cipher));
var_dump(openssl_cms_encrypt($infile, $outfile, openssl_x509_read($single_cert), $headers, cipher_algo: $cipher));
var_dump(openssl_cms_decrypt($outfile, $outfile2, $single_cert, $privkey));
readfile($outfile2);

?>
--CLEAN--
<?php
@unlink(__DIR__ . "/openssl_cms_encrypt_auth_env.out1");
@unlink(__DIR__ . "/openssl_cms_encrypt_auth_env.out2");
?>
--EXPECT--
bool(true)
bool(true)
bool(true)
Now is the winter of our discontent.
21 changes: 10 additions & 11 deletions ext/openssl/tests/openssl_cms_encrypt_basic.phpt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,9 @@ openssl
--FILE--
<?php
$infile = __DIR__ . "/plain.txt";
$outfile = tempnam(sys_get_temp_dir(), "cms_enc_basic");
if ($outfile === false)
die("failed to get a temporary filename!");
$outfile2 = $outfile . ".out";
$outfile3 = tempnam(sys_get_temp_dir(), "cms_enc_basic");
if ($outfile3 === false)
die("failed to get a temporary filename!");
$outfile = __DIR__ . "/openssl_cms_encrypt_basic.out1";
$outfile2 = __DIR__ . "/openssl_cms_encrypt_basic.out2";
$outfile3 = __DIR__ . "/openssl_cms_encrypt_basic.out3";
$single_cert = "file://" . __DIR__ . "/cert.crt";
$privkey = "file://" . __DIR__ . "/private_rsa_1024.key";
$wrongkey = "file://" . __DIR__ . "/private_rsa_2048.key";
Expand All @@ -27,7 +23,7 @@ var_dump(openssl_cms_encrypt($infile, $outfile, $single_cert, $headers, cipher_a
var_dump(openssl_cms_encrypt($infile, $outfile, openssl_x509_read($single_cert), $headers, cipher_algo: $cipher));
var_dump(openssl_cms_decrypt($outfile, $outfile2, $single_cert, $privkey));
readfile($outfile2);
var_dump(openssl_cms_encrypt($infile, $outfile, $single_cert, $assoc_headers, cipher_algo: $cipher));
var_dump(openssl_cms_encrypt($infile, $outfile, $single_cert, $assoc_headers, cipher_algo: "AES-128-CBC"));
var_dump(openssl_cms_encrypt($infile, $outfile, $single_cert, $empty_headers, cipher_algo: $cipher));
var_dump(openssl_cms_encrypt($wrong, $outfile, $single_cert, $headers, cipher_algo: $cipher));
var_dump(openssl_cms_encrypt($empty, $outfile, $single_cert, $headers, cipher_algo: $cipher));
Expand All @@ -40,11 +36,9 @@ var_dump(openssl_cms_encrypt($infile, $outfile3, $single_cert, $headers, flags:

if (file_exists($outfile)) {
echo "true\n";
unlink($outfile);
}
if (file_exists($outfile2)) {
echo "true\n";
unlink($outfile2);
}

if (file_exists($outfile3)) {
Expand All @@ -53,9 +47,14 @@ if (file_exists($outfile3)) {
echo "true\n";
}
unset($content);
unlink($outfile3);
}
?>
--CLEAN--
<?php
@unlink(__DIR__ . "/openssl_cms_encrypt_basic.out1");
@unlink(__DIR__ . "/openssl_cms_encrypt_basic.out2");
@unlink(__DIR__ . "/openssl_cms_encrypt_basic.out3");
?>
--EXPECT--
bool(true)
bool(true)
Expand Down