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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "channel_credentials.h"
#include "call_credentials.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <php.h>
#include <php_ini.h>
#include <ext/standard/info.h>
#include <ext/spl/spl_exceptions.h>
#include "php_grpc.h"
#include <zend_exceptions.h>
#include <zend_hash.h>
#include <grpc/support/alloc.h>
#include <grpc/grpc.h>
#include <grpc/grpc_security.h>
zend_class_entry *grpc_ce_channel_credentials;
#if PHP_MAJOR_VERSION >= 7
static zend_object_handlers channel_credentials_ce_handlers;
#endif
static char *default_pem_root_certs = NULL;
static grpc_ssl_roots_override_result get_ssl_roots_override(
char **pem_root_certs) {
*pem_root_certs = default_pem_root_certs;
if (default_pem_root_certs == NULL) {
return GRPC_SSL_ROOTS_OVERRIDE_FAIL;
}
return GRPC_SSL_ROOTS_OVERRIDE_OK;
}
/* Frees and destroys an instance of wrapped_grpc_channel_credentials */
PHP_GRPC_FREE_WRAPPED_FUNC_START(wrapped_grpc_channel_credentials)
if (p->wrapped != NULL) {
grpc_channel_credentials_release(p->wrapped);
}
PHP_GRPC_FREE_WRAPPED_FUNC_END()
/* Initializes an instance of wrapped_grpc_channel_credentials to be
* associated with an object of a class specified by class_type */
php_grpc_zend_object create_wrapped_grpc_channel_credentials(
zend_class_entry *class_type TSRMLS_DC) {
PHP_GRPC_ALLOC_CLASS_OBJECT(wrapped_grpc_channel_credentials);
zend_object_std_init(&intern->std, class_type TSRMLS_CC);
object_properties_init(&intern->std, class_type);
PHP_GRPC_FREE_CLASS_OBJECT(wrapped_grpc_channel_credentials,
channel_credentials_ce_handlers);
}
zval *grpc_php_wrap_channel_credentials(grpc_channel_credentials
*wrapped TSRMLS_DC) {
zval *credentials_object;
PHP_GRPC_MAKE_STD_ZVAL(credentials_object);
object_init_ex(credentials_object, grpc_ce_channel_credentials);
wrapped_grpc_channel_credentials *credentials =
Z_WRAPPED_GRPC_CHANNEL_CREDS_P(credentials_object);
credentials->wrapped = wrapped;
return credentials_object;
}
/**
* Set default roots pem.
* @param string $pem_roots PEM encoding of the server root certificates
* @return void
*/
PHP_METHOD(ChannelCredentials, setDefaultRootsPem) {
char *pem_roots;
php_grpc_int pem_roots_length;
/* "s" == 1 string */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &pem_roots,
&pem_roots_length) == FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"setDefaultRootsPem expects 1 string", 1 TSRMLS_CC);
return;
}
default_pem_root_certs = gpr_malloc((pem_roots_length + 1) * sizeof(char));
memcpy(default_pem_root_certs, pem_roots, pem_roots_length + 1);
}
/**
* Create a default channel credentials object.
* @return ChannelCredentials The new default channel credentials object
*/
PHP_METHOD(ChannelCredentials, createDefault) {
grpc_channel_credentials *creds = grpc_google_default_credentials_create();
zval *creds_object;
PHP_GRPC_MAKE_STD_ZVAL(creds_object);
creds_object = grpc_php_wrap_channel_credentials(creds TSRMLS_CC);
RETURN_DESTROY_ZVAL(creds_object);
}
/**
* Create SSL credentials.
* @param string $pem_root_certs PEM encoding of the server root certificates
* @param string $pem_key_cert_pair.private_key PEM encoding of the client's
* private key (optional)
* @param string $pem_key_cert_pair.cert_chain PEM encoding of the client's
* certificate chain (optional)
* @return ChannelCredentials The new SSL credentials object
*/
PHP_METHOD(ChannelCredentials, createSsl) {
char *pem_root_certs = NULL;
grpc_ssl_pem_key_cert_pair pem_key_cert_pair;
php_grpc_int root_certs_length = 0;
php_grpc_int private_key_length = 0;
php_grpc_int cert_chain_length = 0;
pem_key_cert_pair.private_key = pem_key_cert_pair.cert_chain = NULL;
/* "|s!s!s!" == 3 optional nullable strings */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!",
&pem_root_certs, &root_certs_length,
&pem_key_cert_pair.private_key,
&private_key_length,
&pem_key_cert_pair.cert_chain,
&cert_chain_length) == FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"createSsl expects 3 optional strings", 1 TSRMLS_CC);
return;
}
grpc_channel_credentials *creds = grpc_ssl_credentials_create(
pem_root_certs,
pem_key_cert_pair.private_key == NULL ? NULL : &pem_key_cert_pair, NULL);
zval *creds_object;
PHP_GRPC_MAKE_STD_ZVAL(creds_object);
creds_object = grpc_php_wrap_channel_credentials(creds TSRMLS_CC);
RETURN_DESTROY_ZVAL(creds_object);
}
/**
* Create composite credentials from two existing credentials.
* @param ChannelCredentials $cred1_obj The first credential
* @param CallCredentials $cred2_obj The second credential
* @return ChannelCredentials The new composite credentials object
*/
PHP_METHOD(ChannelCredentials, createComposite) {
zval *cred1_obj;
zval *cred2_obj;
/* "OO" == 2 Objects */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &cred1_obj,
grpc_ce_channel_credentials, &cred2_obj,
grpc_ce_call_credentials) == FAILURE) {
zend_throw_exception(spl_ce_InvalidArgumentException,
"createComposite expects 2 Credentials", 1 TSRMLS_CC);
return;
}
wrapped_grpc_channel_credentials *cred1 =
Z_WRAPPED_GRPC_CHANNEL_CREDS_P(cred1_obj);
wrapped_grpc_call_credentials *cred2 =
Z_WRAPPED_GRPC_CALL_CREDS_P(cred2_obj);
grpc_channel_credentials *creds =
grpc_composite_channel_credentials_create(cred1->wrapped, cred2->wrapped,
NULL);
zval *creds_object;
PHP_GRPC_MAKE_STD_ZVAL(creds_object);
creds_object = grpc_php_wrap_channel_credentials(creds TSRMLS_CC);
RETURN_DESTROY_ZVAL(creds_object);
}
/**
* Create insecure channel credentials
* @return null
*/
PHP_METHOD(ChannelCredentials, createInsecure) {
RETURN_NULL();
}
static zend_function_entry channel_credentials_methods[] = {
PHP_ME(ChannelCredentials, setDefaultRootsPem, NULL,
ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(ChannelCredentials, createDefault, NULL,
ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(ChannelCredentials, createSsl, NULL,
ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(ChannelCredentials, createComposite, NULL,
ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_ME(ChannelCredentials, createInsecure, NULL,
ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
PHP_FE_END
};
void grpc_init_channel_credentials(TSRMLS_D) {
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "Grpc\\ChannelCredentials",
channel_credentials_methods);
grpc_set_ssl_roots_override_callback(get_ssl_roots_override);
ce.create_object = create_wrapped_grpc_channel_credentials;
grpc_ce_channel_credentials = zend_register_internal_class(&ce TSRMLS_CC);
PHP_GRPC_INIT_HANDLER(wrapped_grpc_channel_credentials,
channel_credentials_ce_handlers);
}
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