Ejemplo n.º 1
0
/* {{{ pdo_mysql_handle_factory */
static int pdo_mysql_handle_factory(pdo_dbh_t *dbh, zval *driver_options)
{
	pdo_mysql_db_handle *H;
	size_t i;
	int ret = 0;
	char *host = NULL, *unix_socket = NULL;
	unsigned int port = 3306;
	char *dbname;
	struct pdo_data_src_parser vars[] = {
		{ "charset",  NULL,	0 },
		{ "dbname",   "",	0 },
		{ "host",   "localhost",	0 },
		{ "port",   "3306",	0 },
		{ "unix_socket",  PDO_DEFAULT_MYSQL_UNIX_ADDR,	0 },
	};
	int connect_opts = 0
#ifdef CLIENT_MULTI_RESULTS
		|CLIENT_MULTI_RESULTS
#endif
		;
#if defined(PDO_USE_MYSQLND)
	size_t dbname_len = 0;
	size_t password_len = 0;
#endif

#ifdef CLIENT_MULTI_STATEMENTS
	if (!driver_options) {
		connect_opts |= CLIENT_MULTI_STATEMENTS;
	} else if (pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_MULTI_STATEMENTS, 1)) {
		connect_opts |= CLIENT_MULTI_STATEMENTS;
	}
#endif

	PDO_DBG_ENTER("pdo_mysql_handle_factory");
	PDO_DBG_INF_FMT("dbh=%p", dbh);
#ifdef CLIENT_MULTI_RESULTS
	PDO_DBG_INF("multi results");
#endif

	php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 5);

	H = pecalloc(1, sizeof(pdo_mysql_db_handle), dbh->is_persistent);

	H->einfo.errcode = 0;
	H->einfo.errmsg = NULL;

	/* allocate an environment */

	/* handle for the server */
	if (!(H->server = pdo_mysql_init(dbh->is_persistent))) {
		pdo_mysql_error(dbh);
		goto cleanup;
	}
#if defined(PDO_USE_MYSQLND)
	if (dbh->is_persistent) {
		mysqlnd_restart_psession(H->server);
	}
#endif

	dbh->driver_data = H;

#ifndef PDO_USE_MYSQLND
	H->max_buffer_size = 1024*1024;
#endif

	H->assume_national_character_set_strings = 0;
	H->buffered = H->emulate_prepare = 1;

	/* handle MySQL options */
	if (driver_options) {
		zend_long connect_timeout = pdo_attr_lval(driver_options, PDO_ATTR_TIMEOUT, 30);
		zend_long local_infile = pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_LOCAL_INFILE, 0);
		zend_string *init_cmd = NULL;
#ifndef PDO_USE_MYSQLND
		zend_string *default_file = NULL, *default_group = NULL;
#endif
		zend_long compress = 0;
		zend_string *ssl_key = NULL, *ssl_cert = NULL, *ssl_ca = NULL, *ssl_capath = NULL, *ssl_cipher = NULL;
		H->buffered = pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_USE_BUFFERED_QUERY, 1);

		H->emulate_prepare = pdo_attr_lval(driver_options,
			PDO_MYSQL_ATTR_DIRECT_QUERY, H->emulate_prepare);
		H->emulate_prepare = pdo_attr_lval(driver_options,
			PDO_ATTR_EMULATE_PREPARES, H->emulate_prepare);

		H->assume_national_character_set_strings = pdo_attr_lval(driver_options,
			PDO_ATTR_DEFAULT_STR_PARAM, 0) == PDO_PARAM_STR_NATL;

#ifndef PDO_USE_MYSQLND
		H->max_buffer_size = pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_MAX_BUFFER_SIZE, H->max_buffer_size);
#endif

		if (pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_FOUND_ROWS, 0)) {
			connect_opts |= CLIENT_FOUND_ROWS;
		}

		if (pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_IGNORE_SPACE, 0)) {
			connect_opts |= CLIENT_IGNORE_SPACE;
		}

		if (mysql_options(H->server, MYSQL_OPT_CONNECT_TIMEOUT, (const char *)&connect_timeout)) {
			pdo_mysql_error(dbh);
			goto cleanup;
		}

#ifndef PDO_USE_MYSQLND
		if (PG(open_basedir) && PG(open_basedir)[0] != '\0') {
			local_infile = 0;
		}
#endif
#if defined(MYSQL_OPT_LOCAL_INFILE) || defined(PDO_USE_MYSQLND)
		if (mysql_options(H->server, MYSQL_OPT_LOCAL_INFILE, (const char *)&local_infile)) {
			pdo_mysql_error(dbh);
			goto cleanup;
		}
#endif
#ifdef MYSQL_OPT_RECONNECT
		/* since 5.0.3, the default for this option is 0 if not specified.
		 * we want the old behaviour
		 * mysqlnd doesn't support reconnect, thus we don't have "|| defined(PDO_USE_MYSQLND)"
		*/
		{
			zend_long reconnect = 1;
			mysql_options(H->server, MYSQL_OPT_RECONNECT, (const char*)&reconnect);
		}
#endif
		init_cmd = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_INIT_COMMAND, NULL);
		if (init_cmd) {
			if (mysql_options(H->server, MYSQL_INIT_COMMAND, (const char *)ZSTR_VAL(init_cmd))) {
				zend_string_release_ex(init_cmd, 0);
				pdo_mysql_error(dbh);
				goto cleanup;
			}
			zend_string_release_ex(init_cmd, 0);
		}
#ifndef PDO_USE_MYSQLND
		default_file = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_READ_DEFAULT_FILE, NULL);
		if (default_file) {
			if (mysql_options(H->server, MYSQL_READ_DEFAULT_FILE, (const char *)ZSTR_VAL(default_file))) {
				zend_string_release_ex(default_file, 0);
				pdo_mysql_error(dbh);
				goto cleanup;
			}
			zend_string_release_ex(default_file, 0);
		}

		default_group = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_READ_DEFAULT_GROUP, NULL);
		if (default_group) {
			if (mysql_options(H->server, MYSQL_READ_DEFAULT_GROUP, (const char *)ZSTR_VAL(default_group))) {
				zend_string_release_ex(default_group, 0);
				pdo_mysql_error(dbh);
				goto cleanup;
			}
			zend_string_release_ex(default_group, 0);
		}
#endif
		compress = pdo_attr_lval(driver_options, PDO_MYSQL_ATTR_COMPRESS, 0);
		if (compress) {
			if (mysql_options(H->server, MYSQL_OPT_COMPRESS, 0)) {
				pdo_mysql_error(dbh);
				goto cleanup;
			}
		}

		ssl_key = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_SSL_KEY, NULL);
		ssl_cert = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_SSL_CERT, NULL);
		ssl_ca = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_SSL_CA, NULL);
		ssl_capath = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_SSL_CAPATH, NULL);
		ssl_cipher = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_SSL_CIPHER, NULL);

		if (ssl_key || ssl_cert || ssl_ca || ssl_capath || ssl_cipher) {
			mysql_ssl_set(H->server,
					ssl_key? ZSTR_VAL(ssl_key) : NULL,
					ssl_cert? ZSTR_VAL(ssl_cert) : NULL,
					ssl_ca? ZSTR_VAL(ssl_ca) : NULL,
					ssl_capath? ZSTR_VAL(ssl_capath) : NULL,
					ssl_cipher? ZSTR_VAL(ssl_cipher) : NULL);
			if (ssl_key) {
				zend_string_release_ex(ssl_key, 0);
			}
			if (ssl_cert) {
				zend_string_release_ex(ssl_cert, 0);
			}
			if (ssl_ca) {
				zend_string_release_ex(ssl_ca, 0);
			}
			if (ssl_capath) {
				zend_string_release_ex(ssl_capath, 0);
			}
			if (ssl_cipher) {
				zend_string_release_ex(ssl_cipher, 0);
			}
		}

#if MYSQL_VERSION_ID > 50605 || defined(PDO_USE_MYSQLND)
		{
			zend_string *public_key = pdo_attr_strval(driver_options, PDO_MYSQL_ATTR_SERVER_PUBLIC_KEY, NULL);
			if (public_key) {
				if (mysql_options(H->server, MYSQL_SERVER_PUBLIC_KEY, ZSTR_VAL(public_key))) {
					pdo_mysql_error(dbh);
					zend_string_release_ex(public_key, 0);
					goto cleanup;
				}
				zend_string_release_ex(public_key, 0);
			}
		}
#endif

#ifdef PDO_USE_MYSQLND
		{
			zend_long ssl_verify_cert = pdo_attr_lval(driver_options,
					PDO_MYSQL_ATTR_SSL_VERIFY_SERVER_CERT, -1);
			if (ssl_verify_cert != -1) {
				connect_opts |= ssl_verify_cert ?
					CLIENT_SSL_VERIFY_SERVER_CERT:
					CLIENT_SSL_DONT_VERIFY_SERVER_CERT;
			}
		}
#endif
	}

#ifdef PDO_MYSQL_HAS_CHARSET
	if (vars[0].optval && mysql_options(H->server, MYSQL_SET_CHARSET_NAME, vars[0].optval)) {
		pdo_mysql_error(dbh);
		goto cleanup;
	}
#endif

	dbname = vars[1].optval;
	host = vars[2].optval;
	if(vars[3].optval) {
		port = atoi(vars[3].optval);
	}

#ifdef PHP_WIN32
	if (vars[2].optval && !strcmp(".", vars[2].optval)) {
#else
	if (vars[2].optval && !strcmp("localhost", vars[2].optval)) {
#endif
		unix_socket = vars[4].optval;
	}

	/* TODO: - Check zval cache + ZTS */
#ifdef PDO_USE_MYSQLND
	if (dbname) {
		dbname_len = strlen(dbname);
	}

	if (dbh->password) {
		password_len = strlen(dbh->password);
	}

	if (mysqlnd_connect(H->server, host, dbh->username, dbh->password, password_len, dbname, dbname_len,
						port, unix_socket, connect_opts, MYSQLND_CLIENT_NO_FLAG) == NULL) {
#else
	if (mysql_real_connect(H->server, host, dbh->username, dbh->password, dbname, port, unix_socket, connect_opts) == NULL) {
#endif
		pdo_mysql_error(dbh);
		goto cleanup;
	}

	if (!dbh->auto_commit) {
		mysql_handle_autocommit(dbh);
	}

	H->attached = 1;

	dbh->alloc_own_columns = 1;
	dbh->max_escaped_char_length = 2;
	dbh->methods = &mysql_methods;

	ret = 1;

cleanup:
	for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
		if (vars[i].freeme) {
			efree(vars[i].optval);
		}
	}

	dbh->methods = &mysql_methods;

	PDO_DBG_RETURN(ret);
}
/* }}} */

const pdo_driver_t pdo_mysql_driver = {
	PDO_DRIVER_HEADER(mysql),
	pdo_mysql_handle_factory
};
Ejemplo n.º 2
0
void mysqli_common_connect(INTERNAL_FUNCTION_PARAMETERS, zend_bool is_real_connect, zend_bool in_ctor) /* {{{ */
{
	MY_MYSQL			*mysql = NULL;
	MYSQLI_RESOURCE		*mysqli_resource = NULL;
	zval				*object = getThis();
	char				*hostname = NULL, *username=NULL, *passwd=NULL, *dbname=NULL, *socket=NULL;
	size_t					hostname_len = 0, username_len = 0, passwd_len = 0, dbname_len = 0, socket_len = 0;
	zend_bool			persistent = FALSE;
	zend_long				port = 0, flags = 0;
	zend_string			*hash_key = NULL;
	zend_bool			new_connection = FALSE;
	zend_resource		*le;
	mysqli_plist_entry *plist = NULL;
	zend_bool			self_alloced = 0;


#if !defined(MYSQL_USE_MYSQLND)
	if ((MYSQL_VERSION_ID / 100) != (mysql_get_client_version() / 100)) {
		php_error_docref(NULL, E_WARNING,
						"Headers and client library minor version mismatch. Headers:%d Library:%ld",
						MYSQL_VERSION_ID, mysql_get_client_version());
	}
#endif

	if (getThis() && !ZEND_NUM_ARGS() && in_ctor) {
		php_mysqli_init(INTERNAL_FUNCTION_PARAM_PASSTHRU, in_ctor);
		return;
	}
	hostname = username = dbname = passwd = socket = NULL;

	if (!is_real_connect) {
		if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ssssls", &hostname, &hostname_len, &username, &username_len,
									&passwd, &passwd_len, &dbname, &dbname_len, &port, &socket, &socket_len) == FAILURE) {
			return;
		}

		if (object && instanceof_function(Z_OBJCE_P(object), mysqli_link_class_entry)) {
			mysqli_resource = (Z_MYSQLI_P(object))->ptr;
			if (mysqli_resource && mysqli_resource->ptr) {
				mysql = (MY_MYSQL*) mysqli_resource->ptr;
			}
		}
		if (!mysql) {
			mysql = (MY_MYSQL *) ecalloc(1, sizeof(MY_MYSQL));
			self_alloced = 1;
		}
		flags |= CLIENT_MULTI_RESULTS; /* needed for mysql_multi_query() */
	} else {
		/* We have flags too */
		if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O|sssslsl", &object, mysqli_link_class_entry,
										&hostname, &hostname_len, &username, &username_len, &passwd, &passwd_len, &dbname, &dbname_len, &port, &socket, &socket_len,
										&flags) == FAILURE) {
			return;
		}

		mysqli_resource = (Z_MYSQLI_P(object))->ptr;
		MYSQLI_FETCH_RESOURCE_CONN(mysql, object, MYSQLI_STATUS_INITIALIZED);

		/* set some required options */
		flags |= CLIENT_MULTI_RESULTS; /* needed for mysql_multi_query() */
		/* remove some insecure options */
		flags &= ~CLIENT_MULTI_STATEMENTS;   /* don't allow multi_queries via connect parameter */
#if !defined(MYSQLI_USE_MYSQLND)
		if (PG(open_basedir) && PG(open_basedir)[0] != '\0') {
			flags &= ~CLIENT_LOCAL_FILES;
		}
#endif
	}

	if (!socket_len || !socket) {
		socket = MyG(default_socket);
	}
	if (!port){
		port = MyG(default_port);
	}
	if (!passwd) {
		passwd = MyG(default_pw);
		passwd_len = strlen(SAFE_STR(passwd));
	}
	if (!username){
		username = MyG(default_user);
	}
	if (!hostname || !hostname_len) {
		hostname = MyG(default_host);
	}

	if (mysql->mysql && mysqli_resource &&
		(mysqli_resource->status > MYSQLI_STATUS_INITIALIZED))
	{
		/* already connected, we should close the connection */
		php_mysqli_close(mysql, MYSQLI_CLOSE_IMPLICIT, mysqli_resource->status);
	}

	if (strlen(SAFE_STR(hostname)) > 2 && !strncasecmp(hostname, "p:", 2)) {
		hostname += 2;
		if (!MyG(allow_persistent)) {
			php_error_docref(NULL, E_WARNING, "Persistent connections are disabled. Downgrading to normal");
		} else {
			mysql->persistent = persistent = TRUE;

			hash_key = strpprintf(0, "mysqli_%s_%s" ZEND_LONG_FMT "%s%s%s", SAFE_STR(hostname), SAFE_STR(socket),
								port, SAFE_STR(username), SAFE_STR(dbname),
								SAFE_STR(passwd));

			mysql->hash_key = hash_key;

			/* check if we can reuse existing connection ... */
			if ((le = zend_hash_find_ptr(&EG(persistent_list), hash_key)) != NULL) {
				if (le->type == php_le_pmysqli()) {
					plist = (mysqli_plist_entry *) le->ptr;

					do {
						if (zend_ptr_stack_num_elements(&plist->free_links)) {
							mysql->mysql = zend_ptr_stack_pop(&plist->free_links);

							MyG(num_inactive_persistent)--;
							/* reset variables */

#ifndef MYSQLI_NO_CHANGE_USER_ON_PCONNECT
							if (!mysqli_change_user_silent(mysql->mysql, username, passwd, dbname, passwd_len)) {
#else
							if (!mysql_ping(mysql->mysql)) {
#endif
#ifdef MYSQLI_USE_MYSQLND
								mysqlnd_restart_psession(mysql->mysql);
#endif
								MyG(num_active_persistent)++;

								/* clear error */
								php_mysqli_set_error(mysql_errno(mysql->mysql), (char *) mysql_error(mysql->mysql));

								goto end;
							} else {
								mysqli_close(mysql->mysql, MYSQLI_CLOSE_IMPLICIT);
								mysql->mysql = NULL;
							}
						}
					} while (0);
				}
			} else {
				plist = calloc(1, sizeof(mysqli_plist_entry));

				zend_ptr_stack_init_ex(&plist->free_links, 1);
				zend_register_persistent_resource(ZSTR_VAL(hash_key), ZSTR_LEN(hash_key), plist, php_le_pmysqli());
			}
		}