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openssl.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 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 |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Stig Venaas <venaas@php.net> |
| Wez Furlong <wez@thebrainroom.com> |
| Sascha Kettler <kettler@gmx.net> |
| Pierre-Alain Joye <pierre@php.net> |
| Marc Delling <delling@silpion.de> (PKCS12 functions) |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_openssl.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"
#if PHP_WIN32
# include "win32/winutil.h"
#endif
/* OpenSSL includes */
#include <openssl/evp.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>
#ifdef NETWARE
#define timezone _timezone /* timezone is called _timezone in LibC */
#endif
#define DEFAULT_KEY_LENGTH 512
#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
#define OPENSSL_ALGO_DSS1 5
#if OPENSSL_VERSION_NUMBER >= 0x0090708fL
#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
#endif
#define DEBUG_SMIME 0
#if !defined(OPENSSL_NO_EC) && defined(EVP_PKEY_EC)
#define HAVE_EVP_PKEY_EC 1
#endif
/* 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);
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_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(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_parse, 0)
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, 3)
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(arginfo_openssl_pkcs12_export, 0)
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(arginfo_openssl_csr_get_subject, 0)
ZEND_ARG_INFO(0, csr)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_csr_get_public_key, 0)
ZEND_ARG_INFO(0, csr)
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_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_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_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(arginfo_openssl_seal, 0)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, sealdata)
ZEND_ARG_INFO(1, ekeys) /* arary */
ZEND_ARG_INFO(0, pubkeys) /* array */
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO(arginfo_openssl_open, 0)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(1, opendata)
ZEND_ARG_INFO(0, ekey)
ZEND_ARG_INFO(0, privkey)
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()
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_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_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_random_pseudo_bytes, 0, 0, 1)
ZEND_ARG_INFO(0, length)
ZEND_ARG_INFO(1, result_is_strong)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ openssl_functions[]
*/
const zend_function_entry openssl_functions[] = {
/* 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_export, arginfo_openssl_x509_export)
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)
/* 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_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)
PHP_FE(openssl_dh_compute_key, arginfo_openssl_dh_compute_key)
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),
NO_VERSION_YET,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_OPENSSL
ZEND_GET_MODULE(openssl)
#endif
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_pkey_free(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
EVP_PKEY *pkey = (EVP_PKEY *)rsrc->ptr;
assert(pkey != NULL);
EVP_PKEY_free(pkey);
}
static void php_x509_free(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
X509 *x509 = (X509 *)rsrc->ptr;
X509_free(x509);
}
static void php_csr_free(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
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 TSRMLS_DC)
{
if (php_check_open_basedir(filename TSRMLS_CC)) {
return -1;
}
return 0;
}
/* }}} */
/* openssl -> PHP "bridging" */
/* true global; readonly after module startup */
static char default_ssl_conf_filename[MAXPATHLEN];
struct php_x509_request { /* {{{ */
#if OPENSSL_VERSION_NUMBER >= 0x10000002L
LHASH_OF(CONF_VALUE) * global_config; /* Global SSL config */
LHASH_OF(CONF_VALUE) * req_config; /* SSL config for this request */
#else
LHASH * global_config; /* Global SSL config */
LHASH * req_config; /* SSL config for this request */
#endif
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;
EVP_PKEY * priv_key;
const EVP_CIPHER * priv_key_encrypt_cipher;
};
/* }}} */
static X509 * php_openssl_x509_from_zval(zval ** val, int makeresource, long * resourceval TSRMLS_DC);
static EVP_PKEY * php_openssl_evp_from_zval(zval ** val, int public_key, char * passphrase, int makeresource, long * resourceval TSRMLS_DC);
static int php_openssl_is_private_key(EVP_PKEY* pkey TSRMLS_DC);
static X509_STORE * setup_verify(zval * calist TSRMLS_DC);
static STACK_OF(X509) * load_all_certs_from_file(char *certfile);
static X509_REQ * php_openssl_csr_from_zval(zval ** val, int makeresource, long * resourceval TSRMLS_DC);
static EVP_PKEY * php_openssl_generate_private_key(struct php_x509_request * req TSRMLS_DC);
static void add_assoc_name_entry(zval * val, char * key, X509_NAME * name, int shortname TSRMLS_DC) /* {{{ */
{
zval **data;
zval *subitem, *subentries;
int i, j = -1, last = -1, obj_cnt = 0;
char *sname;
int nid;
X509_NAME_ENTRY * ne;
ASN1_STRING * str = NULL;
ASN1_OBJECT * obj;
if (key != NULL) {
MAKE_STD_ZVAL(subitem);
array_init(subitem);
} else {
subitem = val;
}
for (i = 0; i < X509_NAME_entry_count(name); i++) {
unsigned char *to_add;
int to_add_len = 0;
ne = X509_NAME_get_entry(name, i);
obj = X509_NAME_ENTRY_get_object(ne);
nid = OBJ_obj2nid(obj);
obj_cnt = 0;
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) {
to_add_len = ASN1_STRING_to_UTF8(&to_add, str);
} else {
to_add = ASN1_STRING_data(str);
to_add_len = ASN1_STRING_length(str);
}
if (to_add_len != -1) {
if (zend_hash_find(Z_ARRVAL_P(subitem), sname, strlen(sname)+1, (void**)&data) == SUCCESS) {
if (Z_TYPE_PP(data) == IS_ARRAY) {
subentries = *data;
add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1);
} else if (Z_TYPE_PP(data) == IS_STRING) {
MAKE_STD_ZVAL(subentries);
array_init(subentries);
add_next_index_stringl(subentries, Z_STRVAL_PP(data), Z_STRLEN_PP(data), 1);
add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1);
zend_hash_update(Z_ARRVAL_P(subitem), sname, strlen(sname)+1, &subentries, sizeof(zval*), NULL);
}
} else {
add_assoc_stringl(subitem, sname, (char *)to_add, to_add_len, 1);
}
}
}
if (key != NULL) {
zend_hash_update(HASH_OF(val), key, strlen(key) + 1, (void *)&subitem, sizeof(subitem), NULL);
}
}
/* }}} */
static void add_assoc_asn1_string(zval * val, char * key, ASN1_STRING * str) /* {{{ */
{
add_assoc_stringl(val, key, (char *)str->data, str->length, 1);
}
/* }}} */
static time_t asn1_time_to_time_t(ASN1_UTCTIME * timestr TSRMLS_DC) /* {{{ */
{
/*
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;
if (ASN1_STRING_type(timestr) != V_ASN1_UTCTIME && ASN1_STRING_type(timestr) != V_ASN1_GENERALIZEDTIME) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "illegal ASN1 data type for timestamp");
return (time_t)-1;
}
if (ASN1_STRING_length(timestr) != strlen((char *)ASN1_STRING_data(timestr))) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "illegal length in timestamp");
return (time_t)-1;
}
if (ASN1_STRING_length(timestr) < 13) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to parse time string %s correctly", timestr->data);
return (time_t)-1;
}
if (ASN1_STRING_type(timestr) == V_ASN1_GENERALIZEDTIME && ASN1_STRING_length(timestr) < 15) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to parse time string %s correctly", timestr->data);
return (time_t)-1;
}
strbuf = estrdup((char *)ASN1_STRING_data(timestr));
memset(&thetime, 0, sizeof(thetime));
/* we work backwards so that we can use atoi more easily */
thestr = strbuf + ASN1_STRING_length(timestr) - 3;
thetime.tm_sec = atoi(thestr);
*thestr = '\0';
thestr -= 2;
thetime.tm_min = atoi(thestr);
*thestr = '\0';
thestr -= 2;
thetime.tm_hour = atoi(thestr);
*thestr = '\0';
thestr -= 2;
thetime.tm_mday = atoi(thestr);
*thestr = '\0';
thestr -= 2;
thetime.tm_mon = atoi(thestr)-1;
*thestr = '\0';
if( ASN1_STRING_type(timestr) == V_ASN1_UTCTIME ) {
thestr -= 2;
thetime.tm_year = atoi(thestr);
if (thetime.tm_year < 68) {
thetime.tm_year += 100;
}
} else if( ASN1_STRING_type(timestr) == V_ASN1_GENERALIZEDTIME ) {
thestr -= 4;
thetime.tm_year = atoi(thestr) - 1900;
}
thetime.tm_isdst = -1;
ret = mktime(&thetime);
#if HAVE_TM_GMTOFF
gmadjust = thetime.tm_gmtoff;
#else
/*
** If correcting for daylight savings time, we set the adjustment to
** the value of timezone - 3600 seconds. Otherwise, we need to overcorrect and
** set the adjustment to the main timezone + 3600 seconds.
*/
gmadjust = -(thetime.tm_isdst ? (long)timezone - 3600 : (long)timezone + 3600);
#endif
ret += gmadjust;
efree(strbuf);
return ret;
}
/* }}} */
#if OPENSSL_VERSION_NUMBER >= 0x10000002L
static inline int php_openssl_config_check_syntax(const char * section_label, const char * config_filename, const char * section, LHASH_OF(CONF_VALUE) * config TSRMLS_DC) /* {{{ */
#else
static inline int php_openssl_config_check_syntax(const char * section_label, const char * config_filename, const char * section, LHASH * config TSRMLS_DC)
#endif
{
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
X509V3_set_conf_lhash(&ctx, config);
if (!X509V3_EXT_add_conf(config, &ctx, (char *)section, NULL)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error loading %s section %s of %s",
section_label,
section,
config_filename);
return FAILURE;
}
return SUCCESS;
}
/* }}} */
static int add_oid_section(struct php_x509_request * req TSRMLS_DC) /* {{{ */
{
char * str;
STACK_OF(CONF_VALUE) * sktmp;
CONF_VALUE * cnf;
int i;
str = CONF_get_string(req->req_config, NULL, "oid_section");
if (str == NULL) {
return SUCCESS;
}
sktmp = CONF_get_section(req->req_config, str);
if (sktmp == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "problem loading oid section %s", str);
return FAILURE;
}
for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
cnf = sk_CONF_VALUE_value(sktmp, i);
if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "problem creating object %s=%s", cnf->name, cnf->value);
return FAILURE;
}
}
return SUCCESS;
}
/* }}} */
#define PHP_SSL_REQ_INIT(req) memset(req, 0, sizeof(*req))
#define PHP_SSL_REQ_DISPOSE(req) php_openssl_dispose_config(req TSRMLS_CC)
#define PHP_SSL_REQ_PARSE(req, zval) php_openssl_parse_config(req, zval TSRMLS_CC)
#define PHP_SSL_CONFIG_SYNTAX_CHECK(var) if (req->var && php_openssl_config_check_syntax(#var, \
req->config_filename, req->var, req->req_config TSRMLS_CC) == FAILURE) return FAILURE
#define SET_OPTIONAL_STRING_ARG(key, varname, defval) \
if (optional_args && zend_hash_find(Z_ARRVAL_P(optional_args), key, sizeof(key), (void**)&item) == SUCCESS && Z_TYPE_PP(item) == IS_STRING) \
varname = Z_STRVAL_PP(item); \
else \
varname = defval
#define SET_OPTIONAL_LONG_ARG(key, varname, defval) \
if (optional_args && zend_hash_find(Z_ARRVAL_P(optional_args), key, sizeof(key), (void**)&item) == SUCCESS && Z_TYPE_PP(item) == IS_LONG) \
varname = Z_LVAL_PP(item); \
else \
varname = defval
static const EVP_CIPHER * php_openssl_get_evp_cipher_from_algo(long algo);
static int php_openssl_parse_config(struct php_x509_request * req, zval * optional_args TSRMLS_DC) /* {{{ */
{
char * str;
zval ** item;
SET_OPTIONAL_STRING_ARG("config", req->config_filename, default_ssl_conf_filename);
SET_OPTIONAL_STRING_ARG("config_section_name", req->section_name, "req");
req->global_config = CONF_load(NULL, default_ssl_conf_filename, NULL);
req->req_config = CONF_load(NULL, req->config_filename, NULL);
if (req->req_config == NULL) {
return FAILURE;
}
/* read in the oids */
str = CONF_get_string(req->req_config, NULL, "oid_file");
if (str && !php_openssl_open_base_dir_chk(str TSRMLS_CC)) {
BIO *oid_bio = BIO_new_file(str, "r");
if (oid_bio) {
OBJ_create_objects(oid_bio);
BIO_free(oid_bio);
}
}
if (add_oid_section(req TSRMLS_CC) == FAILURE) {
return FAILURE;
}
SET_OPTIONAL_STRING_ARG("digest_alg", req->digest_name,
CONF_get_string(req->req_config, req->section_name, "default_md"));
SET_OPTIONAL_STRING_ARG("x509_extensions", req->extensions_section,
CONF_get_string(req->req_config, req->section_name, "x509_extensions"));
SET_OPTIONAL_STRING_ARG("req_extensions", req->request_extensions_section,
CONF_get_string(req->req_config, req->section_name, "req_extensions"));
SET_OPTIONAL_LONG_ARG("private_key_bits", req->priv_key_bits,
CONF_get_number(req->req_config, req->section_name, "default_bits"));
SET_OPTIONAL_LONG_ARG("private_key_type", req->priv_key_type, OPENSSL_KEYTYPE_DEFAULT);
if (optional_args && zend_hash_find(Z_ARRVAL_P(optional_args), "encrypt_key", sizeof("encrypt_key"), (void**)&item) == SUCCESS) {
req->priv_key_encrypt = Z_BVAL_PP(item);
} else {
str = CONF_get_string(req->req_config, req->section_name, "encrypt_rsa_key");
if (str == NULL) {
str = CONF_get_string(req->req_config, req->section_name, "encrypt_key");
}
if (str && strcmp(str, "no") == 0) {
req->priv_key_encrypt = 0;
} else {
req->priv_key_encrypt = 1;
}
}
if (req->priv_key_encrypt && optional_args && zend_hash_find(Z_ARRVAL_P(optional_args), "encrypt_key_cipher", sizeof("encrypt_key_cipher"), (void**)&item) == SUCCESS
&& Z_TYPE_PP(item) == IS_LONG) {
long cipher_algo = Z_LVAL_PP(item);
const EVP_CIPHER* cipher = php_openssl_get_evp_cipher_from_algo(cipher_algo);
if (cipher == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown cipher algorithm for private key.");
return FAILURE;
} else {
req->priv_key_encrypt_cipher = cipher;
}
} else {
req->priv_key_encrypt_cipher = NULL;
}
/* digest alg */
if (req->digest_name == NULL) {
req->digest_name = CONF_get_string(req->req_config, req->section_name, "default_md");
}
if (req->digest_name) {
req->digest = req->md_alg = EVP_get_digestbyname(req->digest_name);
}
if (req->md_alg == NULL) {
req->md_alg = req->digest = EVP_sha1();
}
PHP_SSL_CONFIG_SYNTAX_CHECK(extensions_section);
/* set the string mask */
str = CONF_get_string(req->req_config, req->section_name, "string_mask");
if (str && !ASN1_STRING_set_default_mask_asc(str)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid global string mask setting %s", str);
return FAILURE;
}
PHP_SSL_CONFIG_SYNTAX_CHECK(request_extensions_section);
return SUCCESS;
}
/* }}} */
static void php_openssl_dispose_config(struct php_x509_request * req TSRMLS_DC) /* {{{ */
{
if (req->priv_key) {
EVP_PKEY_free(req->priv_key);
req->priv_key = NULL;
}
if (req->global_config) {
CONF_free(req->global_config);
req->global_config = NULL;
}
if (req->req_config) {
CONF_free(req->req_config);
req->req_config = NULL;
}
}
/* }}} */
static int php_openssl_load_rand_file(const char * file, int *egdsocket, int *seeded TSRMLS_DC) /* {{{ */
{
char buffer[MAXPATHLEN];
*egdsocket = 0;
*seeded = 0;
if (file == NULL) {
file = RAND_file_name(buffer, sizeof(buffer));
} else if (RAND_egd(file) > 0) {
/* if the given filename is an EGD socket, don't
* write anything back to it */
*egdsocket = 1;
return SUCCESS;
}
if (file == NULL || !RAND_load_file(file, -1)) {
if (RAND_status() == 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to load random state; not enough random data!");
return FAILURE;
}
return FAILURE;
}
*seeded = 1;
return SUCCESS;
}
/* }}} */
static int php_openssl_write_rand_file(const char * file, int egdsocket, int seeded) /* {{{ */
{
char buffer[MAXPATHLEN];
TSRMLS_FETCH();
if (egdsocket || !seeded) {
/* if we did not manage to read the seed file, we should not write
* a low-entropy seed file back */
return FAILURE;
}
if (file == NULL) {
file = RAND_file_name(buffer, sizeof(buffer));
}
if (file == NULL || !RAND_write_file(file)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to write random state");
return FAILURE;
}
return SUCCESS;
}
/* }}} */
static EVP_MD * php_openssl_get_evp_md_from_algo(long algo) { /* {{{ */
EVP_MD *mdtype;
switch (algo) {
case OPENSSL_ALGO_SHA1:
mdtype = (EVP_MD *) EVP_sha1();
break;
case OPENSSL_ALGO_MD5:
mdtype = (EVP_MD *) EVP_md5();
break;
case OPENSSL_ALGO_MD4:
mdtype = (EVP_MD *) EVP_md4();
break;
#ifdef HAVE_OPENSSL_MD2_H
case OPENSSL_ALGO_MD2:
mdtype = (EVP_MD *) EVP_md2();
break;
#endif
case OPENSSL_ALGO_DSS1:
mdtype = (EVP_MD *) EVP_dss1();
break;
#if OPENSSL_VERSION_NUMBER >= 0x0090708fL
case OPENSSL_ALGO_SHA224:
mdtype = (EVP_MD *) EVP_sha224();
break;
case OPENSSL_ALGO_SHA256:
mdtype = (EVP_MD *) EVP_sha256();
break;
case OPENSSL_ALGO_SHA384:
mdtype = (EVP_MD *) EVP_sha384();
break;
case OPENSSL_ALGO_SHA512:
mdtype = (EVP_MD *) EVP_sha512();
break;
case OPENSSL_ALGO_RMD160:
mdtype = (EVP_MD *) EVP_ripemd160();
break;
#endif
default:
return NULL;
break;
}
return mdtype;