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openssl.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2018 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Stig Venaas <[email protected]> |
| Wez Furlong <[email protected]> |
| Sascha Kettler <[email protected]> |
| Pierre-Alain Joye <[email protected]> |
| Marc Delling <[email protected]> (PKCS12 functions) |
| Jakub Zelenka <[email protected]> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "php_openssl.h"
#include "zend_exceptions.h"
/* PHP Includes */
#include "ext/standard/file.h"
#include "ext/standard/info.h"
#include "ext/standard/php_fopen_wrappers.h"
#include "ext/standard/md5.h"
#include "ext/standard/base64.h"
#ifdef PHP_WIN32
# include "win32/winutil.h"
#endif
/* OpenSSL includes */
#include <openssl/evp.h>
#include <openssl/bn.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/dh.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/crypto.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/conf.h>
#include <openssl/rand.h>
#include <openssl/ssl.h>
#include <openssl/pkcs12.h>
/* Common */
#include <time.h>
#if (defined(PHP_WIN32) && defined(_MSC_VER) && _MSC_VER >= 1900)
#define timezone _timezone /* timezone is called _timezone in LibC */
#endif
#define MIN_KEY_LENGTH 384
#define OPENSSL_ALGO_SHA1 1
#define OPENSSL_ALGO_MD5 2
#define OPENSSL_ALGO_MD4 3
#ifdef HAVE_OPENSSL_MD2_H
#define OPENSSL_ALGO_MD2 4
#endif
#if PHP_OPENSSL_API_VERSION < 0x10100
#define OPENSSL_ALGO_DSS1 5
#endif
#define OPENSSL_ALGO_SHA224 6
#define OPENSSL_ALGO_SHA256 7
#define OPENSSL_ALGO_SHA384 8
#define OPENSSL_ALGO_SHA512 9
#define OPENSSL_ALGO_RMD160 10
#define DEBUG_SMIME 0
#if !defined(OPENSSL_NO_EC) && defined(EVP_PKEY_EC)
#define HAVE_EVP_PKEY_EC 1
#endif
ZEND_DECLARE_MODULE_GLOBALS(openssl)
/* FIXME: Use the openssl constants instead of
* enum. It is now impossible to match real values
* against php constants. Also sorry to break the
* enum principles here, BC...
*/
enum php_openssl_key_type {
OPENSSL_KEYTYPE_RSA,
OPENSSL_KEYTYPE_DSA,
OPENSSL_KEYTYPE_DH,
OPENSSL_KEYTYPE_DEFAULT = OPENSSL_KEYTYPE_RSA,
#ifdef HAVE_EVP_PKEY_EC
OPENSSL_KEYTYPE_EC = OPENSSL_KEYTYPE_DH +1
#endif
};
enum php_openssl_cipher_type {
PHP_OPENSSL_CIPHER_RC2_40,
PHP_OPENSSL_CIPHER_RC2_128,
PHP_OPENSSL_CIPHER_RC2_64,
PHP_OPENSSL_CIPHER_DES,
PHP_OPENSSL_CIPHER_3DES,
PHP_OPENSSL_CIPHER_AES_128_CBC,
PHP_OPENSSL_CIPHER_AES_192_CBC,
PHP_OPENSSL_CIPHER_AES_256_CBC,
PHP_OPENSSL_CIPHER_DEFAULT = PHP_OPENSSL_CIPHER_RC2_40
};
PHP_FUNCTION(openssl_get_md_methods);
PHP_FUNCTION(openssl_get_cipher_methods);
#ifdef HAVE_EVP_PKEY_EC
PHP_FUNCTION(openssl_get_curve_names);
#endif
PHP_FUNCTION(openssl_digest);
PHP_FUNCTION(openssl_encrypt);
PHP_FUNCTION(openssl_decrypt);
PHP_FUNCTION(openssl_cipher_iv_length);
PHP_FUNCTION(openssl_dh_compute_key);
PHP_FUNCTION(openssl_pkey_derive);
PHP_FUNCTION(openssl_random_pseudo_bytes);
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_x509_export_to_file, 0, 0, 2)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(0, outfilename)
ZEND_ARG_INFO(0, notext)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_x509_export, 0, 0, 2)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(1, out)
ZEND_ARG_INFO(0, notext)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_x509_fingerprint, 0, 0, 1)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(0, method)
ZEND_ARG_INFO(0, raw_output)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_x509_check_private_key, 0)
ZEND_ARG_INFO(0, cert)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_x509_verify, 0)
ZEND_ARG_INFO(0, cert)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_x509_parse, 0, 0, 1)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(0, shortname)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_x509_checkpurpose, 0, 0, 2)
ZEND_ARG_INFO(0, x509cert)
ZEND_ARG_INFO(0, purpose)
ZEND_ARG_INFO(0, cainfo) /* array */
ZEND_ARG_INFO(0, untrustedfile)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_x509_read, 0)
ZEND_ARG_INFO(0, cert)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_x509_free, 0)
ZEND_ARG_INFO(0, x509)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs12_export_to_file, 0, 0, 4)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, priv_key)
ZEND_ARG_INFO(0, pass)
ZEND_ARG_INFO(0, args) /* array */
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs12_export, 0, 0, 4)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(1, out)
ZEND_ARG_INFO(0, priv_key)
ZEND_ARG_INFO(0, pass)
ZEND_ARG_INFO(0, args) /* array */
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_pkcs12_read, 0)
ZEND_ARG_INFO(0, PKCS12)
ZEND_ARG_INFO(1, certs) /* array */
ZEND_ARG_INFO(0, pass)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_csr_export_to_file, 0, 0, 2)
ZEND_ARG_INFO(0, csr)
ZEND_ARG_INFO(0, outfilename)
ZEND_ARG_INFO(0, notext)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_csr_export, 0, 0, 2)
ZEND_ARG_INFO(0, csr)
ZEND_ARG_INFO(1, out)
ZEND_ARG_INFO(0, notext)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_csr_sign, 0, 0, 4)
ZEND_ARG_INFO(0, csr)
ZEND_ARG_INFO(0, x509)
ZEND_ARG_INFO(0, priv_key)
ZEND_ARG_INFO(0, days)
ZEND_ARG_INFO(0, config_args) /* array */
ZEND_ARG_INFO(0, serial)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_csr_new, 0, 0, 2)
ZEND_ARG_INFO(0, dn) /* array */
ZEND_ARG_INFO(1, privkey)
ZEND_ARG_INFO(0, configargs)
ZEND_ARG_INFO(0, extraattribs)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_csr_get_subject, 0, 0, 1)
ZEND_ARG_INFO(0, csr)
ZEND_ARG_INFO(0, use_shortnames)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_csr_get_public_key, 0, 0, 1)
ZEND_ARG_INFO(0, csr)
ZEND_ARG_INFO(0, use_shortnames)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkey_new, 0, 0, 0)
ZEND_ARG_INFO(0, configargs) /* array */
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkey_export_to_file, 0, 0, 2)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, outfilename)
ZEND_ARG_INFO(0, passphrase)
ZEND_ARG_INFO(0, config_args) /* array */
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkey_export, 0, 0, 2)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(1, out)
ZEND_ARG_INFO(0, passphrase)
ZEND_ARG_INFO(0, config_args) /* array */
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_pkey_get_public, 0)
ZEND_ARG_INFO(0, cert)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_pkey_free, 0)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkey_get_private, 0, 0, 1)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, passphrase)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_pkey_get_details, 0)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pbkdf2, 0, 0, 4)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, salt)
ZEND_ARG_INFO(0, key_length)
ZEND_ARG_INFO(0, iterations)
ZEND_ARG_INFO(0, digest_algorithm)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs7_verify, 0, 0, 2)
ZEND_ARG_INFO(0, filename)
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, signerscerts)
ZEND_ARG_INFO(0, cainfo) /* array */
ZEND_ARG_INFO(0, extracerts)
ZEND_ARG_INFO(0, content)
ZEND_ARG_INFO(0, pk7)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs7_encrypt, 0, 0, 4)
ZEND_ARG_INFO(0, infile)
ZEND_ARG_INFO(0, outfile)
ZEND_ARG_INFO(0, recipcerts)
ZEND_ARG_INFO(0, headers) /* array */
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, cipher)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs7_sign, 0, 0, 5)
ZEND_ARG_INFO(0, infile)
ZEND_ARG_INFO(0, outfile)
ZEND_ARG_INFO(0, signcert)
ZEND_ARG_INFO(0, signkey)
ZEND_ARG_INFO(0, headers) /* array */
ZEND_ARG_INFO(0, flags)
ZEND_ARG_INFO(0, extracertsfilename)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs7_decrypt, 0, 0, 3)
ZEND_ARG_INFO(0, infilename)
ZEND_ARG_INFO(0, outfilename)
ZEND_ARG_INFO(0, recipcert)
ZEND_ARG_INFO(0, recipkey)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkcs7_read, 0, 0, 2)
ZEND_ARG_INFO(0, infilename)
ZEND_ARG_INFO(1, certs)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_private_encrypt, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, crypted)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, padding)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_private_decrypt, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, crypted)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, padding)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_public_encrypt, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, crypted)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, padding)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_public_decrypt, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, crypted)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, padding)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_error_string, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_sign, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, signature)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, method)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_verify, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, signature)
ZEND_ARG_INFO(0, key)
ZEND_ARG_INFO(0, method)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_seal, 0, 0, 4)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, sealdata)
ZEND_ARG_INFO(1, ekeys) /* array */
ZEND_ARG_INFO(0, pubkeys) /* array */
ZEND_ARG_INFO(0, method)
ZEND_ARG_INFO(1, iv)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_open, 0, 0, 4)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, opendata)
ZEND_ARG_INFO(0, ekey)
ZEND_ARG_INFO(0, privkey)
ZEND_ARG_INFO(0, method)
ZEND_ARG_INFO(0, iv)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_get_md_methods, 0, 0, 0)
ZEND_ARG_INFO(0, aliases)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_get_cipher_methods, 0, 0, 0)
ZEND_ARG_INFO(0, aliases)
ZEND_END_ARG_INFO()
#ifdef HAVE_EVP_PKEY_EC
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_get_curve_names, 0, 0, 0)
ZEND_END_ARG_INFO()
#endif
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_digest, 0, 0, 2)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, method)
ZEND_ARG_INFO(0, raw_output)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_encrypt, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, method)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, options)
ZEND_ARG_INFO(0, iv)
ZEND_ARG_INFO(1, tag)
ZEND_ARG_INFO(0, aad)
ZEND_ARG_INFO(0, tag_length)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_decrypt, 0, 0, 3)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, method)
ZEND_ARG_INFO(0, password)
ZEND_ARG_INFO(0, options)
ZEND_ARG_INFO(0, iv)
ZEND_ARG_INFO(0, tag)
ZEND_ARG_INFO(0, aad)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_cipher_iv_length, 0)
ZEND_ARG_INFO(0, method)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_dh_compute_key, 0)
ZEND_ARG_INFO(0, pub_key)
ZEND_ARG_INFO(0, dh_key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_pkey_derive, 0, 0, 2)
ZEND_ARG_INFO(0, peer_pub_key)
ZEND_ARG_INFO(0, priv_key)
ZEND_ARG_INFO(0, keylen)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_random_pseudo_bytes, 0, 0, 1)
ZEND_ARG_INFO(0, length)
ZEND_ARG_INFO(1, result_is_strong)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_openssl_spki_new, 0, 0, 2)
ZEND_ARG_INFO(0, privkey)
ZEND_ARG_INFO(0, challenge)
ZEND_ARG_INFO(0, algo)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_spki_verify, 0)
ZEND_ARG_INFO(0, spki)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_spki_export, 0)
ZEND_ARG_INFO(0, spki)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_spki_export_challenge, 0)
ZEND_ARG_INFO(0, spki)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_get_cert_locations, 0)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ openssl_functions[]
*/
static const zend_function_entry openssl_functions[] = {
PHP_FE(openssl_get_cert_locations, arginfo_openssl_get_cert_locations)
/* spki functions */
PHP_FE(openssl_spki_new, arginfo_openssl_spki_new)
PHP_FE(openssl_spki_verify, arginfo_openssl_spki_verify)
PHP_FE(openssl_spki_export, arginfo_openssl_spki_export)
PHP_FE(openssl_spki_export_challenge, arginfo_openssl_spki_export_challenge)
/* public/private key functions */
PHP_FE(openssl_pkey_free, arginfo_openssl_pkey_free)
PHP_FE(openssl_pkey_new, arginfo_openssl_pkey_new)
PHP_FE(openssl_pkey_export, arginfo_openssl_pkey_export)
PHP_FE(openssl_pkey_export_to_file, arginfo_openssl_pkey_export_to_file)
PHP_FE(openssl_pkey_get_private, arginfo_openssl_pkey_get_private)
PHP_FE(openssl_pkey_get_public, arginfo_openssl_pkey_get_public)
PHP_FE(openssl_pkey_get_details, arginfo_openssl_pkey_get_details)
PHP_FALIAS(openssl_free_key, openssl_pkey_free, arginfo_openssl_pkey_free)
PHP_FALIAS(openssl_get_privatekey, openssl_pkey_get_private, arginfo_openssl_pkey_get_private)
PHP_FALIAS(openssl_get_publickey, openssl_pkey_get_public, arginfo_openssl_pkey_get_public)
/* x.509 cert funcs */
PHP_FE(openssl_x509_read, arginfo_openssl_x509_read)
PHP_FE(openssl_x509_free, arginfo_openssl_x509_free)
PHP_FE(openssl_x509_parse, arginfo_openssl_x509_parse)
PHP_FE(openssl_x509_checkpurpose, arginfo_openssl_x509_checkpurpose)
PHP_FE(openssl_x509_check_private_key, arginfo_openssl_x509_check_private_key)
PHP_FE(openssl_x509_verify, arginfo_openssl_x509_verify)
PHP_FE(openssl_x509_export, arginfo_openssl_x509_export)
PHP_FE(openssl_x509_fingerprint, arginfo_openssl_x509_fingerprint)
PHP_FE(openssl_x509_export_to_file, arginfo_openssl_x509_export_to_file)
/* PKCS12 funcs */
PHP_FE(openssl_pkcs12_export, arginfo_openssl_pkcs12_export)
PHP_FE(openssl_pkcs12_export_to_file, arginfo_openssl_pkcs12_export_to_file)
PHP_FE(openssl_pkcs12_read, arginfo_openssl_pkcs12_read)
/* CSR funcs */
PHP_FE(openssl_csr_new, arginfo_openssl_csr_new)
PHP_FE(openssl_csr_export, arginfo_openssl_csr_export)
PHP_FE(openssl_csr_export_to_file, arginfo_openssl_csr_export_to_file)
PHP_FE(openssl_csr_sign, arginfo_openssl_csr_sign)
PHP_FE(openssl_csr_get_subject, arginfo_openssl_csr_get_subject)
PHP_FE(openssl_csr_get_public_key, arginfo_openssl_csr_get_public_key)
PHP_FE(openssl_digest, arginfo_openssl_digest)
PHP_FE(openssl_encrypt, arginfo_openssl_encrypt)
PHP_FE(openssl_decrypt, arginfo_openssl_decrypt)
PHP_FE(openssl_cipher_iv_length, arginfo_openssl_cipher_iv_length)
PHP_FE(openssl_sign, arginfo_openssl_sign)
PHP_FE(openssl_verify, arginfo_openssl_verify)
PHP_FE(openssl_seal, arginfo_openssl_seal)
PHP_FE(openssl_open, arginfo_openssl_open)
PHP_FE(openssl_pbkdf2, arginfo_openssl_pbkdf2)
/* for S/MIME handling */
PHP_FE(openssl_pkcs7_verify, arginfo_openssl_pkcs7_verify)
PHP_FE(openssl_pkcs7_decrypt, arginfo_openssl_pkcs7_decrypt)
PHP_FE(openssl_pkcs7_sign, arginfo_openssl_pkcs7_sign)
PHP_FE(openssl_pkcs7_encrypt, arginfo_openssl_pkcs7_encrypt)
PHP_FE(openssl_pkcs7_read, arginfo_openssl_pkcs7_read)
PHP_FE(openssl_private_encrypt, arginfo_openssl_private_encrypt)
PHP_FE(openssl_private_decrypt, arginfo_openssl_private_decrypt)
PHP_FE(openssl_public_encrypt, arginfo_openssl_public_encrypt)
PHP_FE(openssl_public_decrypt, arginfo_openssl_public_decrypt)
PHP_FE(openssl_get_md_methods, arginfo_openssl_get_md_methods)
PHP_FE(openssl_get_cipher_methods, arginfo_openssl_get_cipher_methods)
#ifdef HAVE_EVP_PKEY_EC
PHP_FE(openssl_get_curve_names, arginfo_openssl_get_curve_names)
#endif
PHP_FE(openssl_dh_compute_key, arginfo_openssl_dh_compute_key)
PHP_FE(openssl_pkey_derive, arginfo_openssl_pkey_derive)
PHP_FE(openssl_random_pseudo_bytes, arginfo_openssl_random_pseudo_bytes)
PHP_FE(openssl_error_string, arginfo_openssl_error_string)
PHP_FE_END
};
/* }}} */
/* {{{ openssl_module_entry
*/
zend_module_entry openssl_module_entry = {
STANDARD_MODULE_HEADER,
"openssl",
openssl_functions,
PHP_MINIT(openssl),
PHP_MSHUTDOWN(openssl),
NULL,
NULL,
PHP_MINFO(openssl),
PHP_OPENSSL_VERSION,
PHP_MODULE_GLOBALS(openssl),
PHP_GINIT(openssl),
PHP_GSHUTDOWN(openssl),
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
#ifdef COMPILE_DL_OPENSSL
ZEND_GET_MODULE(openssl)
#endif
/* {{{ OpenSSL compatibility functions and macros */
#if PHP_OPENSSL_API_VERSION < 0x10100
#define EVP_PKEY_get0_RSA(_pkey) _pkey->pkey.rsa
#define EVP_PKEY_get0_DH(_pkey) _pkey->pkey.dh
#define EVP_PKEY_get0_DSA(_pkey) _pkey->pkey.dsa
#define EVP_PKEY_get0_EC_KEY(_pkey) _pkey->pkey.ec
static int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d)
{
r->n = n;
r->e = e;
r->d = d;
return 1;
}
static int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q)
{
r->p = p;
r->q = q;
return 1;
}
static int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp)
{
r->dmp1 = dmp1;
r->dmq1 = dmq1;
r->iqmp = iqmp;
return 1;
}
static void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
{
*n = r->n;
*e = r->e;
*d = r->d;
}
static void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q)
{
*p = r->p;
*q = r->q;
}
static void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, const BIGNUM **iqmp)
{
*dmp1 = r->dmp1;
*dmq1 = r->dmq1;
*iqmp = r->iqmp;
}
static void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
{
*p = dh->p;
*q = dh->q;
*g = dh->g;
}
static int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
{
dh->p = p;
dh->q = q;
dh->g = g;
return 1;
}
static void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
{
*pub_key = dh->pub_key;
*priv_key = dh->priv_key;
}
static int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
{
dh->pub_key = pub_key;
dh->priv_key = priv_key;
return 1;
}
static void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
{
*p = d->p;
*q = d->q;
*g = d->g;
}
int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g)
{
d->p = p;
d->q = q;
d->g = g;
return 1;
}
static void DSA_get0_key(const DSA *d, const BIGNUM **pub_key, const BIGNUM **priv_key)
{
*pub_key = d->pub_key;
*priv_key = d->priv_key;
}
int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key)
{
d->pub_key = pub_key;
d->priv_key = priv_key;
return 1;
}
static const unsigned char *ASN1_STRING_get0_data(const ASN1_STRING *asn1)
{
return M_ASN1_STRING_data(asn1);
}
#if PHP_OPENSSL_API_VERSION < 0x10002
static int X509_get_signature_nid(const X509 *x)
{
return OBJ_obj2nid(x->sig_alg->algorithm);
}
#endif
#endif
/* }}} */
/* number conversion flags checks */
#define PHP_OPENSSL_CHECK_NUMBER_CONVERSION(_cond, _name) \
do { \
if (_cond) { \
php_error_docref(NULL, E_WARNING, #_name" is too long"); \
RETURN_FALSE; \
} \
} while(0)
/* number conversion flags checks */
#define PHP_OPENSSL_CHECK_NUMBER_CONVERSION_NORET(_cond, _name) \
do { \
if (_cond) { \
php_error_docref(NULL, E_WARNING, #_name" is too long"); \
return NULL; \
} \
} while(0)
/* check if size_t can be safely casted to int */
#define PHP_OPENSSL_CHECK_SIZE_T_TO_INT(_var, _name) \
PHP_OPENSSL_CHECK_NUMBER_CONVERSION(ZEND_SIZE_T_INT_OVFL(_var), _name)
/* check if size_t can be safely casted to int */
#define PHP_OPENSSL_CHECK_SIZE_T_TO_INT_NORET(_var, _name) \
PHP_OPENSSL_CHECK_NUMBER_CONVERSION_NORET(ZEND_SIZE_T_INT_OVFL(_var), _name)
/* check if size_t can be safely casted to unsigned int */
#define PHP_OPENSSL_CHECK_SIZE_T_TO_UINT(_var, _name) \
PHP_OPENSSL_CHECK_NUMBER_CONVERSION(ZEND_SIZE_T_UINT_OVFL(_var), _name)
/* check if long can be safely casted to int */
#define PHP_OPENSSL_CHECK_LONG_TO_INT(_var, _name) \
PHP_OPENSSL_CHECK_NUMBER_CONVERSION(ZEND_LONG_EXCEEDS_INT(_var), _name)
/* check if long can be safely casted to int */
#define PHP_OPENSSL_CHECK_LONG_TO_INT_NORET(_var, _name) \
PHP_OPENSSL_CHECK_NUMBER_CONVERSION_NORET(ZEND_LONG_EXCEEDS_INT(_var), _name)
/* {{{ php_openssl_store_errors */
void php_openssl_store_errors()
{
struct php_openssl_errors *errors;
int error_code = ERR_get_error();
if (!error_code) {
return;
}
if (!OPENSSL_G(errors)) {
OPENSSL_G(errors) = pecalloc(1, sizeof(struct php_openssl_errors), 1);
}
errors = OPENSSL_G(errors);
do {
errors->top = (errors->top + 1) % ERR_NUM_ERRORS;
if (errors->top == errors->bottom) {
errors->bottom = (errors->bottom + 1) % ERR_NUM_ERRORS;
}
errors->buffer[errors->top] = error_code;
} while ((error_code = ERR_get_error()));
}
/* }}} */
static int le_key;
static int le_x509;
static int le_csr;
static int ssl_stream_data_index;
int php_openssl_get_x509_list_id(void) /* {{{ */
{
return le_x509;
}
/* }}} */
/* {{{ resource destructors */
static void php_openssl_pkey_free(zend_resource *rsrc)
{
EVP_PKEY *pkey = (EVP_PKEY *)rsrc->ptr;
assert(pkey != NULL);
EVP_PKEY_free(pkey);
}
static void php_openssl_x509_free(zend_resource *rsrc)
{
X509 *x509 = (X509 *)rsrc->ptr;
X509_free(x509);
}
static void php_openssl_csr_free(zend_resource *rsrc)
{
X509_REQ * csr = (X509_REQ*)rsrc->ptr;
X509_REQ_free(csr);
}
/* }}} */
/* {{{ openssl open_basedir check */
inline static int php_openssl_open_base_dir_chk(char *filename)
{
if (php_check_open_basedir(filename)) {
return -1;
}
return 0;
}
/* }}} */
php_stream* php_openssl_get_stream_from_ssl_handle(const SSL *ssl)
{
return (php_stream*)SSL_get_ex_data(ssl, ssl_stream_data_index);
}
int php_openssl_get_ssl_stream_data_index()
{
return ssl_stream_data_index;
}
/* openssl -> PHP "bridging" */
/* true global; readonly after module startup */
static char default_ssl_conf_filename[MAXPATHLEN];
struct php_x509_request { /* {{{ */
LHASH_OF(CONF_VALUE) * global_config; /* Global SSL config */
LHASH_OF(CONF_VALUE) * req_config; /* SSL config for this request */
const EVP_MD * md_alg;
const EVP_MD * digest;
char * section_name,
* config_filename,
* digest_name,
* extensions_section,
* request_extensions_section;
int priv_key_bits;
int priv_key_type;
int priv_key_encrypt;
#ifdef HAVE_EVP_PKEY_EC
int curve_name;
#endif
EVP_PKEY * priv_key;
const EVP_CIPHER * priv_key_encrypt_cipher;
};
/* }}} */
static X509 * php_openssl_x509_from_zval(zval * val, int makeresource, zend_resource **resourceval);
static EVP_PKEY * php_openssl_evp_from_zval(
zval * val, int public_key, char *passphrase, size_t passphrase_len,
int makeresource, zend_resource **resourceval);
static int php_openssl_is_private_key(EVP_PKEY* pkey);
static X509_STORE * php_openssl_setup_verify(zval * calist);
static STACK_OF(X509) * php_openssl_load_all_certs_from_file(char *certfile);
static X509_REQ * php_openssl_csr_from_zval(zval * val, int makeresource, zend_resource ** resourceval);
static EVP_PKEY * php_openssl_generate_private_key(struct php_x509_request * req);
static void php_openssl_add_assoc_name_entry(zval * val, char * key, X509_NAME * name, int shortname) /* {{{ */
{
zval *data;
zval subitem, tmp;
int i;
char *sname;
int nid;
X509_NAME_ENTRY * ne;
ASN1_STRING * str = NULL;
ASN1_OBJECT * obj;
if (key != NULL) {
array_init(&subitem);
} else {
ZVAL_COPY_VALUE(&subitem, val);
}
for (i = 0; i < X509_NAME_entry_count(name); i++) {
const unsigned char *to_add = NULL;
int to_add_len = 0;
unsigned char *to_add_buf = NULL;
ne = X509_NAME_get_entry(name, i);
obj = X509_NAME_ENTRY_get_object(ne);
nid = OBJ_obj2nid(obj);
if (shortname) {
sname = (char *) OBJ_nid2sn(nid);
} else {
sname = (char *) OBJ_nid2ln(nid);
}
str = X509_NAME_ENTRY_get_data(ne);
if (ASN1_STRING_type(str) != V_ASN1_UTF8STRING) {
/* ASN1_STRING_to_UTF8(3): The converted data is copied into a newly allocated buffer */
to_add_len = ASN1_STRING_to_UTF8(&to_add_buf, str);
to_add = to_add_buf;
} else {
/* ASN1_STRING_get0_data(3): Since this is an internal pointer it should not be freed or modified in any way */
to_add = ASN1_STRING_get0_data(str);
to_add_len = ASN1_STRING_length(str);
}
if (to_add_len != -1) {
if ((data = zend_hash_str_find(Z_ARRVAL(subitem), sname, strlen(sname))) != NULL) {
if (Z_TYPE_P(data) == IS_ARRAY) {
add_next_index_stringl(data, (const char *)to_add, to_add_len);
} else if (Z_TYPE_P(data) == IS_STRING) {
array_init(&tmp);
add_next_index_str(&tmp, zend_string_copy(Z_STR_P(data)));
add_next_index_stringl(&tmp, (const char *)to_add, to_add_len);
zend_hash_str_update(Z_ARRVAL(subitem), sname, strlen(sname), &tmp);
}
} else {
/* it might be better to expand it and pass zval from ZVAL_STRING
* to zend_symtable_str_update so we do not silently drop const
* but we need a test to cover this part first */
add_assoc_stringl(&subitem, sname, (char *)to_add, to_add_len);
}
} else {
php_openssl_store_errors();
}
if (to_add_buf != NULL) {
OPENSSL_free(to_add_buf);
}
}
if (key != NULL) {
zend_hash_str_update(Z_ARRVAL_P(val), key, strlen(key), &subitem);
}
}
/* }}} */
static void php_openssl_add_assoc_asn1_string(zval * val, char * key, ASN1_STRING * str) /* {{{ */
{
add_assoc_stringl(val, key, (char *)str->data, str->length);
}
/* }}} */
static time_t php_openssl_asn1_time_to_time_t(ASN1_UTCTIME * timestr) /* {{{ */
{
/*
This is how the time string is formatted:
snprintf(p, sizeof(p), "%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
*/
time_t ret;
struct tm thetime;
char * strbuf;
char * thestr;
long gmadjust = 0;
size_t timestr_len;
if (ASN1_STRING_type(timestr) != V_ASN1_UTCTIME && ASN1_STRING_type(timestr) != V_ASN1_GENERALIZEDTIME) {
php_error_docref(NULL, E_WARNING, "illegal ASN1 data type for timestamp");
return (time_t)-1;
}
timestr_len = (size_t)ASN1_STRING_length(timestr);
if (timestr_len != strlen((const char *)ASN1_STRING_get0_data(timestr))) {
php_error_docref(NULL, E_WARNING, "illegal length in timestamp");
return (time_t)-1;
}
if (timestr_len < 13 && timestr_len != 11) {
php_error_docref(NULL, E_WARNING, "unable to parse time string %s correctly", timestr->data);
return (time_t)-1;
}
if (ASN1_STRING_type(timestr) == V_ASN1_GENERALIZEDTIME && timestr_len < 15) {
php_error_docref(NULL, E_WARNING, "unable to parse time string %s correctly", timestr->data);
return (time_t)-1;
}
strbuf = estrdup((const char *)ASN1_STRING_get0_data(timestr));
memset(&thetime, 0, sizeof(thetime));
/* we work backwards so that we can use atoi more easily */
thestr = strbuf + timestr_len - 3;
if (timestr_len == 11) {
thetime.tm_sec = 0;
} else {
thetime.tm_sec = atoi(thestr);
*thestr = '\0';
thestr -= 2;
}
thetime.tm_min = atoi(thestr);
*thestr = '\0';
thestr -= 2;
thetime.tm_hour = atoi(thestr);