/
openssl.c
3968 lines (3387 loc) · 105 KB
/
openssl.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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"
/* 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>
#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
#define OPENSSL_ALGO_MD2 4
#define DEBUG_SMIME 0
static
ZEND_BEGIN_ARG_INFO(arg2and3_force_ref, 0)
ZEND_ARG_PASS_INFO(0)
ZEND_ARG_PASS_INFO(1)
ZEND_ARG_PASS_INFO(1)
ZEND_END_ARG_INFO();
/* 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 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_DEFAULT = PHP_OPENSSL_CIPHER_RC2_40
};
/* {{{ openssl_functions[]
*/
zend_function_entry openssl_functions[] = {
/* public/private key functions */
PHP_FE(openssl_pkey_free, NULL)
PHP_FE(openssl_pkey_new, NULL)
PHP_FE(openssl_pkey_export, second_arg_force_ref)
PHP_FE(openssl_pkey_export_to_file, NULL)
PHP_FE(openssl_pkey_get_private, NULL)
PHP_FE(openssl_pkey_get_public, NULL)
PHP_FE(openssl_pkey_get_details, NULL)
PHP_FALIAS(openssl_free_key, openssl_pkey_free, NULL)
PHP_FALIAS(openssl_get_privatekey, openssl_pkey_get_private, NULL)
PHP_FALIAS(openssl_get_publickey, openssl_pkey_get_public, NULL)
/* x.509 cert funcs */
PHP_FE(openssl_x509_read, NULL)
PHP_FE(openssl_x509_free, NULL)
PHP_FE(openssl_x509_parse, NULL)
PHP_FE(openssl_x509_checkpurpose, NULL)
PHP_FE(openssl_x509_check_private_key, NULL)
PHP_FE(openssl_x509_export, second_arg_force_ref)
PHP_FE(openssl_x509_export_to_file, NULL)
/* PKCS12 funcs */
PHP_FE(openssl_pkcs12_export, second_arg_force_ref)
PHP_FE(openssl_pkcs12_export_to_file, NULL)
PHP_FE(openssl_pkcs12_read, second_arg_force_ref)
/* CSR funcs */
PHP_FE(openssl_csr_new, second_arg_force_ref)
PHP_FE(openssl_csr_export, second_arg_force_ref)
PHP_FE(openssl_csr_export_to_file, NULL)
PHP_FE(openssl_csr_sign, NULL)
PHP_FE(openssl_csr_get_subject, NULL)
PHP_FE(openssl_csr_get_public_key, NULL)
PHP_FE(openssl_sign, second_arg_force_ref)
PHP_FE(openssl_verify, NULL)
PHP_FE(openssl_seal, arg2and3_force_ref)
PHP_FE(openssl_open, second_arg_force_ref)
/* for S/MIME handling */
PHP_FE(openssl_pkcs7_verify, NULL)
PHP_FE(openssl_pkcs7_decrypt, NULL)
PHP_FE(openssl_pkcs7_sign, NULL)
PHP_FE(openssl_pkcs7_encrypt, NULL)
PHP_FE(openssl_private_encrypt, second_arg_force_ref)
PHP_FE(openssl_private_decrypt, second_arg_force_ref)
PHP_FE(openssl_public_encrypt, second_arg_force_ref)
PHP_FE(openssl_public_decrypt, second_arg_force_ref)
PHP_FE(openssl_error_string, NULL)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ 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)
# ifdef PHP_WIN32
# include "zend_arg_defs.c"
# endif
#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 safe_mode & open_basedir checks */
inline static int php_openssl_safe_mode_chk(char *filename TSRMLS_DC)
{
if (PG(safe_mode) && (!php_checkuid(filename, NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
return -1;
}
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 { /* {{{ */
LHASH * global_config; /* Global SSL config */
LHASH * 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;
EVP_PKEY * priv_key;
};
/* }}} */
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 *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;
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);
}
MAKE_STD_ZVAL(subentries);
array_init(subentries);
last = -1;
for (;;) {
j = X509_NAME_get_index_by_OBJ(name, obj, last);
if (j < 0) {
if (last != -1) break;
} else {
obj_cnt++;
ne = X509_NAME_get_entry(name, j);
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);
add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1);
} else {
to_add = ASN1_STRING_data(str);
to_add_len = ASN1_STRING_length(str);
add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1);
}
}
last = j;
}
i = last;
if (obj_cnt > 1) {
add_assoc_zval_ex(subitem, sname, strlen(sname) + 1, subentries);
} else {
zval_dtor(subentries);
FREE_ZVAL(subentries);
if (obj_cnt && str) {
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 (timestr->length < 13) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "extension author too lazy to parse %s correctly", timestr->data);
return (time_t)-1;
}
strbuf = estrdup((char *)timestr->data);
memset(&thetime, 0, sizeof(thetime));
/* we work backwards so that we can use atoi more easily */
thestr = strbuf + timestr->length - 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';
thestr -= 2;
thetime.tm_year = atoi(thestr);
if (thetime.tm_year < 68) {
thetime.tm_year += 100;
}
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;
}
/* }}} */
static inline int php_openssl_config_check_syntax(
const char * section_label,
const char * config_filename,
const char * section,
LHASH * config TSRMLS_DC
) /* {{{ */
{
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) \
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) \
varname = Z_LVAL_PP(item); \
else \
varname = defval
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_safe_mode_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;
}
}
/* 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_md5();
}
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) /* {{{ */
{
char buffer[MAXPATHLEN];
TSRMLS_FETCH();
*egdsocket = 0;
*seeded = 0;
#ifdef WINDOWS
RAND_screen();
#endif
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;
case OPENSSL_ALGO_MD2:
mdtype = (EVP_MD *) EVP_md2();
break;
default:
return NULL;
break;
}
return mdtype;
}
/* }}} */
/* }}} */
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(openssl)
{
char * config_filename;
le_key = zend_register_list_destructors_ex(php_pkey_free, NULL, "OpenSSL key", module_number);
le_x509 = zend_register_list_destructors_ex(php_x509_free, NULL, "OpenSSL X.509", module_number);
le_csr = zend_register_list_destructors_ex(php_csr_free, NULL, "OpenSSL X.509 CSR", module_number);
SSL_library_init();
OpenSSL_add_all_ciphers();
OpenSSL_add_all_digests();
OpenSSL_add_all_algorithms();
ERR_load_ERR_strings();
ERR_load_crypto_strings();
ERR_load_EVP_strings();
/* register a resource id number with openSSL so that we can map SSL -> stream structures in
* openSSL callbacks */
ssl_stream_data_index = SSL_get_ex_new_index(0, "PHP stream index", NULL, NULL, NULL);
REGISTER_STRING_CONSTANT("OPENSSL_VERSION_TEXT", OPENSSL_VERSION_TEXT, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_VERSION_NUMBER", OPENSSL_VERSION_NUMBER, CONST_CS|CONST_PERSISTENT);
/* purposes for cert purpose checking */
REGISTER_LONG_CONSTANT("X509_PURPOSE_SSL_CLIENT", X509_PURPOSE_SSL_CLIENT, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("X509_PURPOSE_SSL_SERVER", X509_PURPOSE_SSL_SERVER, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("X509_PURPOSE_NS_SSL_SERVER", X509_PURPOSE_NS_SSL_SERVER, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("X509_PURPOSE_SMIME_SIGN", X509_PURPOSE_SMIME_SIGN, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("X509_PURPOSE_SMIME_ENCRYPT", X509_PURPOSE_SMIME_ENCRYPT, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("X509_PURPOSE_CRL_SIGN", X509_PURPOSE_CRL_SIGN, CONST_CS|CONST_PERSISTENT);
#ifdef X509_PURPOSE_ANY
REGISTER_LONG_CONSTANT("X509_PURPOSE_ANY", X509_PURPOSE_ANY, CONST_CS|CONST_PERSISTENT);
#endif
/* signature algorithm constants */
REGISTER_LONG_CONSTANT("OPENSSL_ALGO_SHA1", OPENSSL_ALGO_SHA1, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_ALGO_MD5", OPENSSL_ALGO_MD5, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_ALGO_MD4", OPENSSL_ALGO_MD4, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_ALGO_MD2", OPENSSL_ALGO_MD2, CONST_CS|CONST_PERSISTENT);
/* flags for S/MIME */
REGISTER_LONG_CONSTANT("PKCS7_DETACHED", PKCS7_DETACHED, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_TEXT", PKCS7_TEXT, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_NOINTERN", PKCS7_NOINTERN, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_NOVERIFY", PKCS7_NOVERIFY, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_NOCHAIN", PKCS7_NOCHAIN, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_NOCERTS", PKCS7_NOCERTS, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_NOATTR", PKCS7_NOATTR, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_BINARY", PKCS7_BINARY, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("PKCS7_NOSIGS", PKCS7_NOSIGS, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_PKCS1_PADDING", RSA_PKCS1_PADDING, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_SSLV23_PADDING", RSA_SSLV23_PADDING, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_NO_PADDING", RSA_NO_PADDING, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_PKCS1_OAEP_PADDING", RSA_PKCS1_OAEP_PADDING, CONST_CS|CONST_PERSISTENT);
/* Ciphers */
#ifndef OPENSSL_NO_RC2
REGISTER_LONG_CONSTANT("OPENSSL_CIPHER_RC2_40", PHP_OPENSSL_CIPHER_RC2_40, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_CIPHER_RC2_128", PHP_OPENSSL_CIPHER_RC2_128, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_CIPHER_RC2_64", PHP_OPENSSL_CIPHER_RC2_64, CONST_CS|CONST_PERSISTENT);
#endif
#ifndef OPENSSL_NO_DES
REGISTER_LONG_CONSTANT("OPENSSL_CIPHER_DES", PHP_OPENSSL_CIPHER_DES, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("OPENSSL_CIPHER_3DES", PHP_OPENSSL_CIPHER_3DES, CONST_CS|CONST_PERSISTENT);
#endif
/* Values for key types */
REGISTER_LONG_CONSTANT("OPENSSL_KEYTYPE_RSA", OPENSSL_KEYTYPE_RSA, CONST_CS|CONST_PERSISTENT);
#ifndef NO_DSA
REGISTER_LONG_CONSTANT("OPENSSL_KEYTYPE_DSA", OPENSSL_KEYTYPE_DSA, CONST_CS|CONST_PERSISTENT);
#endif
REGISTER_LONG_CONSTANT("OPENSSL_KEYTYPE_DH", OPENSSL_KEYTYPE_DH, CONST_CS|CONST_PERSISTENT);
#ifdef EVP_PKEY_EC
REGISTER_LONG_CONSTANT("OPENSSL_KEYTYPE_EC", OPENSSL_KEYTYPE_EC, CONST_CS|CONST_PERSISTENT);
#endif
/* Determine default SSL configuration file */
config_filename = getenv("OPENSSL_CONF");
if (config_filename == NULL) {
config_filename = getenv("SSLEAY_CONF");
}
/* default to 'openssl.cnf' if no environment variable is set */
if (config_filename == NULL) {
snprintf(default_ssl_conf_filename, sizeof(default_ssl_conf_filename), "%s/%s",
X509_get_default_cert_area(),
"openssl.cnf");
} else {
strlcpy(default_ssl_conf_filename, config_filename, sizeof(default_ssl_conf_filename));
}
php_stream_xport_register("ssl", php_openssl_ssl_socket_factory TSRMLS_CC);
php_stream_xport_register("sslv3", php_openssl_ssl_socket_factory TSRMLS_CC);
php_stream_xport_register("sslv2", php_openssl_ssl_socket_factory TSRMLS_CC);
php_stream_xport_register("tls", php_openssl_ssl_socket_factory TSRMLS_CC);
/* override the default tcp socket provider */
php_stream_xport_register("tcp", php_openssl_ssl_socket_factory TSRMLS_CC);
php_register_url_stream_wrapper("https", &php_stream_http_wrapper TSRMLS_CC);
php_register_url_stream_wrapper("ftps", &php_stream_ftp_wrapper TSRMLS_CC);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(openssl)
{
php_info_print_table_start();
php_info_print_table_row(2, "OpenSSL support", "enabled");
php_info_print_table_row(2, "OpenSSL Version", OPENSSL_VERSION_TEXT);
php_info_print_table_end();
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(openssl)
{
EVP_cleanup();
php_unregister_url_stream_wrapper("https" TSRMLS_CC);
php_unregister_url_stream_wrapper("ftps" TSRMLS_CC);
php_stream_xport_unregister("ssl" TSRMLS_CC);
php_stream_xport_unregister("sslv2" TSRMLS_CC);
php_stream_xport_unregister("sslv3" TSRMLS_CC);
php_stream_xport_unregister("tls" TSRMLS_CC);
/* reinstate the default tcp handler */
php_stream_xport_register("tcp", php_stream_generic_socket_factory TSRMLS_CC);
return SUCCESS;
}
/* }}} */
/* {{{ x509 cert functions */
/* {{{ php_openssl_x509_from_zval
Given a zval, coerce it into an X509 object.
The zval can be:
. X509 resource created using openssl_read_x509()
. if it starts with file:// then it will be interpreted as the path to that cert
. it will be interpreted as the cert data
If you supply makeresource, the result will be registered as an x509 resource and
it's value returned in makeresource.
*/
static X509 * php_openssl_x509_from_zval(zval ** val, int makeresource, long * resourceval TSRMLS_DC)
{
X509 *cert = NULL;
if (resourceval) {
*resourceval = -1;
}
if (Z_TYPE_PP(val) == IS_RESOURCE) {
/* is it an x509 resource ? */
void * what;
int type;
what = zend_fetch_resource(val TSRMLS_CC, -1, "OpenSSL X.509", &type, 1, le_x509);
if (!what) {
return NULL;
}
/* this is so callers can decide if they should free the X509 */
if (resourceval) {
*resourceval = Z_LVAL_PP(val);
}
if (type == le_x509) {
return (X509*)what;
}
/* other types could be used here - eg: file pointers and read in the data from them */
return NULL;
}
if (!(Z_TYPE_PP(val) == IS_STRING || Z_TYPE_PP(val) == IS_OBJECT)) {
return NULL;
}
/* force it to be a string and check if it refers to a file */
convert_to_string_ex(val);
if (Z_STRLEN_PP(val) > 7 && memcmp(Z_STRVAL_PP(val), "file://", sizeof("file://") - 1) == 0) {
/* read cert from the named file */
BIO *in;
if (php_openssl_safe_mode_chk(Z_STRVAL_PP(val) + (sizeof("file://") - 1) TSRMLS_CC)) {
return NULL;
}
in = BIO_new_file(Z_STRVAL_PP(val) + (sizeof("file://") - 1), "r");
if (in == NULL) {
return NULL;
}
cert = PEM_read_bio_X509(in, NULL, NULL, NULL);
BIO_free(in);
} else {
BIO *in;
in = BIO_new_mem_buf(Z_STRVAL_PP(val), Z_STRLEN_PP(val));
if (in == NULL) {
return NULL;
}
cert = (X509 *) PEM_ASN1_read_bio((char *(*)())d2i_X509, PEM_STRING_X509, in, NULL, NULL, NULL);
BIO_free(in);
}
if (cert && makeresource && resourceval) {
*resourceval = zend_list_insert(cert, le_x509);
}
return cert;
}
/* }}} */
/* {{{ proto bool openssl_x509_export_to_file(mixed x509, string outfilename [, bool notext = true])
Exports a CERT to file or a var */
PHP_FUNCTION(openssl_x509_export_to_file)
{
X509 * cert;
zval ** zcert;
zend_bool notext = 1;
BIO * bio_out;
long certresource;
char * filename;
int filename_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zs|b", &zcert, &filename, &filename_len, ¬ext) == FAILURE) {
return;
}
RETVAL_FALSE;
cert = php_openssl_x509_from_zval(zcert, 0, &certresource TSRMLS_CC);
if (cert == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot get cert from parameter 1");
return;
}
if (php_openssl_safe_mode_chk(filename TSRMLS_CC)) {
return;
}
bio_out = BIO_new_file(filename, "w");
if (bio_out) {
if (!notext) {
X509_print(bio_out, cert);
}
PEM_write_bio_X509(bio_out, cert);
RETVAL_TRUE;
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "error opening file %s", filename);
}
if (certresource == -1 && cert) {
X509_free(cert);
}
BIO_free(bio_out);
}
/* }}} */
/* {{{ proto bool openssl_x509_export(mixed x509, string &out [, bool notext = true])
Exports a CERT to file or a var */
PHP_FUNCTION(openssl_x509_export)
{
X509 * cert;
zval ** zcert, *zout;
zend_bool notext = 1;
BIO * bio_out;
long certresource;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zz|b", &zcert, &zout, ¬ext) == FAILURE) {
return;
}
RETVAL_FALSE;
cert = php_openssl_x509_from_zval(zcert, 0, &certresource TSRMLS_CC);
if (cert == NULL) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot get cert from parameter 1");
return;
}
bio_out = BIO_new(BIO_s_mem());
if (!notext) {
X509_print(bio_out, cert);
}
if (PEM_write_bio_X509(bio_out, cert)) {
BUF_MEM *bio_buf;
zval_dtor(zout);
BIO_get_mem_ptr(bio_out, &bio_buf);
ZVAL_STRINGL(zout, bio_buf->data, bio_buf->length, 1);
RETVAL_TRUE;
}
if (certresource == -1 && cert) {
X509_free(cert);
}
BIO_free(bio_out);
}
/* }}} */
/* {{{ proto bool openssl_x509_check_private_key(mixed cert, mixed key)
Checks if a private key corresponds to a CERT */
PHP_FUNCTION(openssl_x509_check_private_key)
{
zval ** zcert, **zkey;
X509 * cert = NULL;
EVP_PKEY * key = NULL;
long certresource = -1, keyresource = -1;
RETVAL_FALSE;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ZZ", &zcert, &zkey) == FAILURE) {
return;
}
cert = php_openssl_x509_from_zval(zcert, 0, &certresource TSRMLS_CC);
if (cert == NULL) {
RETURN_FALSE;
}
key = php_openssl_evp_from_zval(zkey, 0, "", 1, &keyresource TSRMLS_CC);
if (key) {
RETVAL_BOOL(X509_check_private_key(cert, key));
}
if (keyresource == -1 && key) {
EVP_PKEY_free(key);
}
if (certresource == -1 && cert) {
X509_free(cert);
}
}
/* }}} */
/* {{{ proto array openssl_x509_parse(mixed x509 [, bool shortnames=true])
Returns an array of the fields/values of the CERT */
PHP_FUNCTION(openssl_x509_parse)
{
zval ** zcert;
X509 * cert = NULL;
long certresource = -1;
int i;