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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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