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Viewing File: php_stream_transport.h
/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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. |
+----------------------------------------------------------------------+
| Author: Wez Furlong <wez@thebrainroom.com> |
+----------------------------------------------------------------------+
*/
#ifdef PHP_WIN32
#include "config.w32.h"
#include <Ws2tcpip.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
typedef php_stream *(php_stream_transport_factory_func)(const char *proto, size_t protolen,
const char *resourcename, size_t resourcenamelen,
const char *persistent_id, int options, int flags,
struct timeval *timeout,
php_stream_context *context STREAMS_DC);
typedef php_stream_transport_factory_func *php_stream_transport_factory;
BEGIN_EXTERN_C()
PHPAPI int php_stream_xport_register(const char *protocol, php_stream_transport_factory factory);
PHPAPI int php_stream_xport_unregister(const char *protocol);
#define STREAM_XPORT_CLIENT 0
#define STREAM_XPORT_SERVER 1
#define STREAM_XPORT_CONNECT 2
#define STREAM_XPORT_BIND 4
#define STREAM_XPORT_LISTEN 8
#define STREAM_XPORT_CONNECT_ASYNC 16
/* Open a client or server socket connection */
PHPAPI php_stream *_php_stream_xport_create(const char *name, size_t namelen, int options,
int flags, const char *persistent_id,
struct timeval *timeout,
php_stream_context *context,
zend_string **error_string,
int *error_code
STREAMS_DC);
#define php_stream_xport_create(name, namelen, options, flags, persistent_id, timeout, context, estr, ecode) \
_php_stream_xport_create(name, namelen, options, flags, persistent_id, timeout, context, estr, ecode STREAMS_CC)
/* Bind the stream to a local address */
PHPAPI int php_stream_xport_bind(php_stream *stream,
const char *name, size_t namelen,
zend_string **error_text
);
/* Connect to a remote address */
PHPAPI int php_stream_xport_connect(php_stream *stream,
const char *name, size_t namelen,
int asynchronous,
struct timeval *timeout,
zend_string **error_text,
int *error_code
);
/* Prepare to listen */
PHPAPI int php_stream_xport_listen(php_stream *stream,
int backlog,
zend_string **error_text
);
/* Get the next client and their address as a string, or the underlying address
* structure. You must efree either of these if you request them */
PHPAPI int php_stream_xport_accept(php_stream *stream, php_stream **client,
zend_string **textaddr,
void **addr, socklen_t *addrlen,
struct timeval *timeout,
zend_string **error_text
);
/* Get the name of either the socket or it's peer */
PHPAPI int php_stream_xport_get_name(php_stream *stream, int want_peer,
zend_string **textaddr,
void **addr, socklen_t *addrlen
);
enum php_stream_xport_send_recv_flags {
STREAM_OOB = 1,
STREAM_PEEK = 2
};
/* Similar to recv() system call; read data from the stream, optionally
* peeking, optionally retrieving OOB data */
PHPAPI int php_stream_xport_recvfrom(php_stream *stream, char *buf, size_t buflen,
int flags, void **addr, socklen_t *addrlen,
zend_string **textaddr);
/* Similar to send() system call; send data to the stream, optionally
* sending it as OOB data */
PHPAPI int php_stream_xport_sendto(php_stream *stream, const char *buf, size_t buflen,
int flags, void *addr, socklen_t addrlen);
typedef enum {
STREAM_SHUT_RD,
STREAM_SHUT_WR,
STREAM_SHUT_RDWR
} stream_shutdown_t;
/* Similar to shutdown() system call; shut down part of a full-duplex
* connection */
PHPAPI int php_stream_xport_shutdown(php_stream *stream, stream_shutdown_t how);
END_EXTERN_C()
/* Structure definition for the set_option interface that the above functions wrap */
typedef struct _php_stream_xport_param {
enum {
STREAM_XPORT_OP_BIND, STREAM_XPORT_OP_CONNECT,
STREAM_XPORT_OP_LISTEN, STREAM_XPORT_OP_ACCEPT,
STREAM_XPORT_OP_CONNECT_ASYNC,
STREAM_XPORT_OP_GET_NAME,
STREAM_XPORT_OP_GET_PEER_NAME,
STREAM_XPORT_OP_RECV,
STREAM_XPORT_OP_SEND,
STREAM_XPORT_OP_SHUTDOWN
} op;
unsigned int want_addr:1;
unsigned int want_textaddr:1;
unsigned int want_errortext:1;
unsigned int how:2;
struct {
char *name;
size_t namelen;
struct timeval *timeout;
struct sockaddr *addr;
char *buf;
size_t buflen;
socklen_t addrlen;
int backlog;
int flags;
} inputs;
struct {
php_stream *client;
struct sockaddr *addr;
socklen_t addrlen;
zend_string *textaddr;
zend_string *error_text;
int returncode;
int error_code;
} outputs;
} php_stream_xport_param;
/* Because both client and server streams use the same mechanisms
for encryption we use the LSB to denote clients.
*/
typedef enum {
STREAM_CRYPTO_METHOD_SSLv2_CLIENT = (1 << 1 | 1),
STREAM_CRYPTO_METHOD_SSLv3_CLIENT = (1 << 2 | 1),
/* v23 no longer negotiates SSL2 or SSL3 */
STREAM_CRYPTO_METHOD_SSLv23_CLIENT = ((1 << 3) | (1 << 4) | (1 << 5) | 1),
STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT = (1 << 3 | 1),
STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT = (1 << 4 | 1),
STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT = (1 << 5 | 1),
STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT = (1 << 6 | 1),
/* TLS equates to TLS_ANY as of PHP 7.2 */
STREAM_CRYPTO_METHOD_TLS_CLIENT = ((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6) | 1),
STREAM_CRYPTO_METHOD_TLS_ANY_CLIENT = ((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6) | 1),
STREAM_CRYPTO_METHOD_ANY_CLIENT = ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6) | 1),
STREAM_CRYPTO_METHOD_SSLv2_SERVER = (1 << 1),
STREAM_CRYPTO_METHOD_SSLv3_SERVER = (1 << 2),
/* v23 no longer negotiates SSL2 or SSL3 */
STREAM_CRYPTO_METHOD_SSLv23_SERVER = ((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6)),
STREAM_CRYPTO_METHOD_TLSv1_0_SERVER = (1 << 3),
STREAM_CRYPTO_METHOD_TLSv1_1_SERVER = (1 << 4),
STREAM_CRYPTO_METHOD_TLSv1_2_SERVER = (1 << 5),
STREAM_CRYPTO_METHOD_TLSv1_3_SERVER = (1 << 6),
/* TLS equates to TLS_ANY as of PHP 7.2 */
STREAM_CRYPTO_METHOD_TLS_SERVER = ((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6)),
STREAM_CRYPTO_METHOD_TLS_ANY_SERVER = ((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6)),
STREAM_CRYPTO_METHOD_ANY_SERVER = ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6))
} php_stream_xport_crypt_method_t;
/* These functions provide crypto support on the underlying transport */
BEGIN_EXTERN_C()
PHPAPI int php_stream_xport_crypto_setup(php_stream *stream, php_stream_xport_crypt_method_t crypto_method, php_stream *session_stream);
PHPAPI int php_stream_xport_crypto_enable(php_stream *stream, int activate);
END_EXTERN_C()
typedef struct _php_stream_xport_crypto_param {
struct {
php_stream *session;
int activate;
php_stream_xport_crypt_method_t method;
} inputs;
struct {
int returncode;
} outputs;
enum {
STREAM_XPORT_CRYPTO_OP_SETUP,
STREAM_XPORT_CRYPTO_OP_ENABLE
} op;
} php_stream_xport_crypto_param;
BEGIN_EXTERN_C()
PHPAPI HashTable *php_stream_xport_get_hash(void);
PHPAPI php_stream_transport_factory_func php_stream_generic_socket_factory;
END_EXTERN_C()
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