/* +----------------------------------------------------------------------+ | PHP Version 7 | +----------------------------------------------------------------------+ | 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: | | 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: Andrey Hristov | | Ulf Wendel | +----------------------------------------------------------------------+ */ #include "php.h" #include "mysqlnd.h" #include "mysqlnd_connection.h" #include "mysqlnd_vio.h" #include "mysqlnd_protocol_frame_codec.h" #include "mysqlnd_auth.h" #include "mysqlnd_wireprotocol.h" #include "mysqlnd_priv.h" #include "mysqlnd_result.h" #include "mysqlnd_statistics.h" #include "mysqlnd_charset.h" #include "mysqlnd_debug.h" #include "mysqlnd_ext_plugin.h" #include "zend_smart_str.h" extern MYSQLND_CHARSET *mysqlnd_charsets; PHPAPI const char * const mysqlnd_server_gone = "MySQL server has gone away"; PHPAPI const char * const mysqlnd_out_of_sync = "Commands out of sync; you can't run this command now"; PHPAPI const char * const mysqlnd_out_of_memory = "Out of memory"; PHPAPI MYSQLND_STATS * mysqlnd_global_stats = NULL; /* {{{ mysqlnd_upsert_status::reset */ void MYSQLND_METHOD(mysqlnd_upsert_status, reset)(MYSQLND_UPSERT_STATUS * const upsert_status) { upsert_status->warning_count = 0; upsert_status->server_status = 0; upsert_status->affected_rows = 0; upsert_status->last_insert_id = 0; } /* }}} */ /* {{{ mysqlnd_upsert_status::set_affected_rows_to_error */ void MYSQLND_METHOD(mysqlnd_upsert_status, set_affected_rows_to_error)(MYSQLND_UPSERT_STATUS * upsert_status) { upsert_status->affected_rows = (uint64_t) ~0; } /* }}} */ MYSQLND_CLASS_METHODS_START(mysqlnd_upsert_status) MYSQLND_METHOD(mysqlnd_upsert_status, reset), MYSQLND_METHOD(mysqlnd_upsert_status, set_affected_rows_to_error), MYSQLND_CLASS_METHODS_END; /* {{{ mysqlnd_upsert_status_init */ void mysqlnd_upsert_status_init(MYSQLND_UPSERT_STATUS * const upsert_status) { upsert_status->m = &MYSQLND_CLASS_METHOD_TABLE_NAME(mysqlnd_upsert_status); upsert_status->m->reset(upsert_status); } /* }}} */ /* {{{ mysqlnd_error_list_pdtor */ static void mysqlnd_error_list_pdtor(void * pDest) { MYSQLND_ERROR_LIST_ELEMENT * element = (MYSQLND_ERROR_LIST_ELEMENT *) pDest; DBG_ENTER("mysqlnd_error_list_pdtor"); if (element->error) { mnd_pefree(element->error, TRUE); } DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_error_info::reset */ static void MYSQLND_METHOD(mysqlnd_error_info, reset)(MYSQLND_ERROR_INFO * const info) { DBG_ENTER("mysqlnd_error_info::reset"); info->error_no = 0; info->error[0] = '\0'; memset(&info->sqlstate, 0, sizeof(info->sqlstate)); zend_llist_clean(&info->error_list); DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_error_info::set_client_error */ static void MYSQLND_METHOD(mysqlnd_error_info, set_client_error)(MYSQLND_ERROR_INFO * const info, const unsigned int err_no, const char * const sqlstate, const char * const error) { DBG_ENTER("mysqlnd_error_info::set_client_error"); if (err_no) { MYSQLND_ERROR_LIST_ELEMENT error_for_the_list = {0}; info->error_no = err_no; strlcpy(info->sqlstate, sqlstate, sizeof(info->sqlstate)); strlcpy(info->error, error, sizeof(info->error)); error_for_the_list.error_no = err_no; strlcpy(error_for_the_list.sqlstate, sqlstate, sizeof(error_for_the_list.sqlstate)); error_for_the_list.error = mnd_pestrdup(error, TRUE); if (error_for_the_list.error) { DBG_INF_FMT("adding error [%s] to the list", error_for_the_list.error); zend_llist_add_element(&info->error_list, &error_for_the_list); } } else { info->m->reset(info); } DBG_VOID_RETURN; } /* }}} */ MYSQLND_CLASS_METHODS_START(mysqlnd_error_info) MYSQLND_METHOD(mysqlnd_error_info, reset), MYSQLND_METHOD(mysqlnd_error_info, set_client_error), MYSQLND_CLASS_METHODS_END; /* {{{ mysqlnd_error_info_init */ PHPAPI enum_func_status mysqlnd_error_info_init(MYSQLND_ERROR_INFO * const info, const zend_bool persistent) { DBG_ENTER("mysqlnd_error_info_init"); info->m = mysqlnd_error_info_get_methods(); info->m->reset(info); zend_llist_init(&info->error_list, sizeof(MYSQLND_ERROR_LIST_ELEMENT), (llist_dtor_func_t) mysqlnd_error_list_pdtor, persistent); info->persistent = persistent; DBG_RETURN(PASS); } /* }}} */ /* {{{ mysqlnd_error_info_free_contents */ PHPAPI void mysqlnd_error_info_free_contents(MYSQLND_ERROR_INFO * const info) { DBG_ENTER("mysqlnd_error_info_free_contents"); info->m->reset(info); DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_connection_state::get */ static enum mysqlnd_connection_state MYSQLND_METHOD(mysqlnd_connection_state, get)(const struct st_mysqlnd_connection_state * const state_struct) { DBG_ENTER("mysqlnd_connection_state::get"); DBG_INF_FMT("State=%u", state_struct->state); DBG_RETURN(state_struct->state); } /* }}} */ /* {{{ mysqlnd_connection_state::set */ static void MYSQLND_METHOD(mysqlnd_connection_state, set)(struct st_mysqlnd_connection_state * const state_struct, const enum mysqlnd_connection_state state) { DBG_ENTER("mysqlnd_connection_state::set"); DBG_INF_FMT("New state=%u", state); state_struct->state = state; DBG_VOID_RETURN; } /* }}} */ MYSQLND_CLASS_METHODS_START(mysqlnd_connection_state) MYSQLND_METHOD(mysqlnd_connection_state, get), MYSQLND_METHOD(mysqlnd_connection_state, set), MYSQLND_CLASS_METHODS_END; /* {{{ mysqlnd_connection_state_init */ PHPAPI void mysqlnd_connection_state_init(struct st_mysqlnd_connection_state * const state) { DBG_ENTER("mysqlnd_connection_state_init"); state->m = &MYSQLND_CLASS_METHOD_TABLE_NAME(mysqlnd_connection_state); state->state = CONN_ALLOCED; DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_conn_data::free_options */ static void MYSQLND_METHOD(mysqlnd_conn_data, free_options)(MYSQLND_CONN_DATA * conn) { zend_bool pers = conn->persistent; if (conn->options->charset_name) { mnd_pefree(conn->options->charset_name, pers); conn->options->charset_name = NULL; } if (conn->options->auth_protocol) { mnd_pefree(conn->options->auth_protocol, pers); conn->options->auth_protocol = NULL; } if (conn->options->num_commands) { unsigned int i; for (i = 0; i < conn->options->num_commands; i++) { /* allocated with pestrdup */ mnd_pefree(conn->options->init_commands[i], pers); } mnd_pefree(conn->options->init_commands, pers); conn->options->init_commands = NULL; } if (conn->options->cfg_file) { mnd_pefree(conn->options->cfg_file, pers); conn->options->cfg_file = NULL; } if (conn->options->cfg_section) { mnd_pefree(conn->options->cfg_section, pers); conn->options->cfg_section = NULL; } if (conn->options->connect_attr) { zend_hash_destroy(conn->options->connect_attr); mnd_pefree(conn->options->connect_attr, pers); conn->options->connect_attr = NULL; } } /* }}} */ /* {{{ mysqlnd_conn_data::free_contents */ static void MYSQLND_METHOD(mysqlnd_conn_data, free_contents)(MYSQLND_CONN_DATA * conn) { zend_bool pers = conn->persistent; DBG_ENTER("mysqlnd_conn_data::free_contents"); if (conn->current_result) { conn->current_result->m.free_result(conn->current_result, TRUE); conn->current_result = NULL; } if (conn->protocol_frame_codec) { conn->protocol_frame_codec->data->m.free_contents(conn->protocol_frame_codec); } if (conn->vio) { conn->vio->data->m.free_contents(conn->vio); } DBG_INF("Freeing memory of members"); if (conn->hostname.s) { mnd_pefree(conn->hostname.s, pers); conn->hostname.s = NULL; } if (conn->username.s) { mnd_pefree(conn->username.s, pers); conn->username.s = NULL; } if (conn->password.s) { mnd_pefree(conn->password.s, pers); conn->password.s = NULL; } if (conn->connect_or_select_db.s) { mnd_pefree(conn->connect_or_select_db.s, pers); conn->connect_or_select_db.s = NULL; } if (conn->unix_socket.s) { mnd_pefree(conn->unix_socket.s, pers); conn->unix_socket.s = NULL; } DBG_INF_FMT("scheme=%s", conn->scheme.s); if (conn->scheme.s) { mnd_pefree(conn->scheme.s, pers); conn->scheme.s = NULL; } if (conn->server_version) { mnd_pefree(conn->server_version, pers); conn->server_version = NULL; } if (conn->host_info) { mnd_pefree(conn->host_info, pers); conn->host_info = NULL; } if (conn->authentication_plugin_data.s) { mnd_pefree(conn->authentication_plugin_data.s, pers); conn->authentication_plugin_data.s = NULL; } if (conn->last_message.s) { mnd_efree(conn->last_message.s); conn->last_message.s = NULL; } conn->charset = NULL; conn->greet_charset = NULL; DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_conn_data::dtor */ static void MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, dtor)(MYSQLND_CONN_DATA * conn) { DBG_ENTER("mysqlnd_conn_data::dtor"); DBG_INF_FMT("conn=%llu", conn->thread_id); conn->m->free_contents(conn); conn->m->free_options(conn); if (conn->error_info) { mysqlnd_error_info_free_contents(conn->error_info); conn->error_info = NULL; } if (conn->protocol_frame_codec) { mysqlnd_pfc_free(conn->protocol_frame_codec, conn->stats, conn->error_info); conn->protocol_frame_codec = NULL; } if (conn->vio) { mysqlnd_vio_free(conn->vio, conn->stats, conn->error_info); conn->vio = NULL; } if (conn->payload_decoder_factory) { mysqlnd_protocol_payload_decoder_factory_free(conn->payload_decoder_factory); conn->payload_decoder_factory = NULL; } if (conn->stats) { mysqlnd_stats_end(conn->stats, conn->persistent); } mnd_pefree(conn, conn->persistent); DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_conn_data::set_server_option */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, set_server_option)(MYSQLND_CONN_DATA * const conn, enum_mysqlnd_server_option option) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), set_server_option); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::set_server_option"); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->set_option(conn, option); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::restart_psession */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, restart_psession)(MYSQLND_CONN_DATA * conn) { DBG_ENTER("mysqlnd_conn_data::restart_psession"); MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_CONNECT_REUSED); conn->current_result = NULL; conn->last_message.s = NULL; DBG_RETURN(PASS); } /* }}} */ /* {{{ mysqlnd_conn_data::end_psession */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, end_psession)(MYSQLND_CONN_DATA * conn) { DBG_ENTER("mysqlnd_conn_data::end_psession"); /* Free here what should not be seen by the next script */ if (conn->current_result) { conn->current_result->m.free_result(conn->current_result, TRUE); conn->current_result = NULL; } if (conn->last_message.s) { mnd_efree(conn->last_message.s); conn->last_message.s = NULL; } conn->error_info = &conn->error_info_impl; DBG_RETURN(PASS); } /* }}} */ /* {{{ mysqlnd_conn_data::fetch_auth_plugin_by_name */ static struct st_mysqlnd_authentication_plugin * MYSQLND_METHOD(mysqlnd_conn_data, fetch_auth_plugin_by_name)(const char * const requested_protocol) { struct st_mysqlnd_authentication_plugin * auth_plugin; char * plugin_name = NULL; DBG_ENTER("mysqlnd_conn_data::fetch_auth_plugin_by_name"); mnd_sprintf(&plugin_name, 0, "auth_plugin_%s", requested_protocol); DBG_INF_FMT("looking for %s auth plugin", plugin_name); auth_plugin = mysqlnd_plugin_find(plugin_name); mnd_sprintf_free(plugin_name); DBG_RETURN(auth_plugin); } /* }}} */ /* {{{ mysqlnd_conn_data::execute_init_commands */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, execute_init_commands)(MYSQLND_CONN_DATA * conn) { enum_func_status ret = PASS; DBG_ENTER("mysqlnd_conn_data::execute_init_commands"); if (conn->options->init_commands) { unsigned int current_command = 0; for (; current_command < conn->options->num_commands; ++current_command) { const char * const command = conn->options->init_commands[current_command]; if (command) { MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_INIT_COMMAND_EXECUTED_COUNT); if (PASS != conn->m->query(conn, command, strlen(command))) { MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_INIT_COMMAND_FAILED_COUNT); ret = FAIL; break; } do { if (conn->last_query_type == QUERY_SELECT) { MYSQLND_RES * result = conn->m->use_result(conn, 0); if (result) { result->m.free_result(result, TRUE); } } } while (conn->m->next_result(conn) != FAIL); } } } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::get_updated_connect_flags */ static unsigned int MYSQLND_METHOD(mysqlnd_conn_data, get_updated_connect_flags)(MYSQLND_CONN_DATA * conn, unsigned int mysql_flags) { #ifdef MYSQLND_COMPRESSION_ENABLED MYSQLND_PFC * pfc = conn->protocol_frame_codec; #endif MYSQLND_VIO * vio = conn->vio; DBG_ENTER("mysqlnd_conn_data::get_updated_connect_flags"); /* allow CLIENT_LOCAL_FILES capability, although extensions basing on mysqlnd shouldn't allow 'load data local infile' by default due to security issues */ mysql_flags |= MYSQLND_CAPABILITIES; mysql_flags |= conn->options->flags; /* use the flags from set_client_option() */ #ifndef MYSQLND_COMPRESSION_ENABLED if (mysql_flags & CLIENT_COMPRESS) { mysql_flags &= ~CLIENT_COMPRESS; } #else if (pfc && pfc->data->flags & MYSQLND_PROTOCOL_FLAG_USE_COMPRESSION) { mysql_flags |= CLIENT_COMPRESS; } #endif #ifndef MYSQLND_SSL_SUPPORTED if (mysql_flags & CLIENT_SSL) { mysql_flags &= ~CLIENT_SSL; } #else if (vio && (vio->data->options.ssl_key || vio->data->options.ssl_cert || vio->data->options.ssl_ca || vio->data->options.ssl_capath || vio->data->options.ssl_cipher)) { mysql_flags |= CLIENT_SSL; } #endif if (conn->options->connect_attr && zend_hash_num_elements(conn->options->connect_attr)) { mysql_flags |= CLIENT_CONNECT_ATTRS; } DBG_RETURN(mysql_flags); } /* }}} */ /* {{{ mysqlnd_conn_data::connect_handshake */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, connect_handshake)(MYSQLND_CONN_DATA * conn, const MYSQLND_CSTRING * const scheme, const MYSQLND_CSTRING * const username, const MYSQLND_CSTRING * const password, const MYSQLND_CSTRING * const database, const unsigned int mysql_flags) { enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::connect_handshake"); if (PASS == conn->vio->data->m.connect(conn->vio, *scheme, conn->persistent, conn->stats, conn->error_info) && PASS == conn->protocol_frame_codec->data->m.reset(conn->protocol_frame_codec, conn->stats, conn->error_info)) { size_t client_flags = mysql_flags; ret = conn->command->handshake(conn, *username, *password, *database, client_flags); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::get_scheme */ static MYSQLND_STRING MYSQLND_METHOD(mysqlnd_conn_data, get_scheme)(MYSQLND_CONN_DATA * conn, MYSQLND_CSTRING hostname, MYSQLND_CSTRING *socket_or_pipe, unsigned int port, zend_bool * unix_socket, zend_bool * named_pipe) { MYSQLND_STRING transport; DBG_ENTER("mysqlnd_conn_data::get_scheme"); #ifndef PHP_WIN32 if (hostname.l == sizeof("localhost") - 1 && !strncasecmp(hostname.s, "localhost", hostname.l)) { DBG_INF_FMT("socket=%s", socket_or_pipe->s? socket_or_pipe->s:"n/a"); if (!socket_or_pipe->s) { socket_or_pipe->s = "/tmp/mysql.sock"; socket_or_pipe->l = strlen(socket_or_pipe->s); } transport.l = mnd_sprintf(&transport.s, 0, "unix://%s", socket_or_pipe->s); *unix_socket = TRUE; #else if (hostname.l == sizeof(".") - 1 && hostname.s[0] == '.') { /* named pipe in socket */ if (!socket_or_pipe->s) { socket_or_pipe->s = "\\\\.\\pipe\\MySQL"; socket_or_pipe->l = strlen(socket_or_pipe->s); } transport.l = mnd_sprintf(&transport.s, 0, "pipe://%s", socket_or_pipe->s); *named_pipe = TRUE; #endif } else { if (!port) { port = 3306; } transport.l = mnd_sprintf(&transport.s, 0, "tcp://%s:%u", hostname.s, port); } DBG_INF_FMT("transport=%s", transport.s? transport.s:"OOM"); DBG_RETURN(transport); } /* }}} */ /* {{{ mysqlnd_conn_data::connect */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, connect)(MYSQLND_CONN_DATA * conn, MYSQLND_CSTRING hostname, MYSQLND_CSTRING username, MYSQLND_CSTRING password, MYSQLND_CSTRING database, unsigned int port, MYSQLND_CSTRING socket_or_pipe, unsigned int mysql_flags ) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), connect); zend_bool unix_socket = FALSE; zend_bool named_pipe = FALSE; zend_bool reconnect = FALSE; zend_bool saved_compression = FALSE; zend_bool local_tx_started = FALSE; MYSQLND_PFC * pfc = conn->protocol_frame_codec; MYSQLND_STRING transport = { NULL, 0 }; DBG_ENTER("mysqlnd_conn_data::connect"); DBG_INF_FMT("conn=%p", conn); if (PASS != conn->m->local_tx_start(conn, this_func)) { goto err; } local_tx_started = TRUE; SET_EMPTY_ERROR(conn->error_info); UPSERT_STATUS_SET_AFFECTED_ROWS_TO_ERROR(conn->upsert_status); DBG_INF_FMT("host=%s user=%s db=%s port=%u flags=%u persistent=%u state=%u", hostname.s?hostname.s:"", username.s?username.s:"", database.s?database.s:"", port, mysql_flags, conn? conn->persistent:0, conn? (int)GET_CONNECTION_STATE(&conn->state):-1); if (GET_CONNECTION_STATE(&conn->state) > CONN_ALLOCED) { DBG_INF("Connecting on a connected handle."); if (GET_CONNECTION_STATE(&conn->state) < CONN_QUIT_SENT) { MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_CLOSE_IMPLICIT); reconnect = TRUE; conn->m->send_close(conn); } conn->m->free_contents(conn); /* Now reconnect using the same handle */ if (pfc->data->compressed) { /* we need to save the state. As we will re-connect, pfc->compressed should be off, or we will look for a compression header as part of the greet message, but there will be none. */ saved_compression = TRUE; pfc->data->compressed = FALSE; } if (pfc->data->ssl) { pfc->data->ssl = FALSE; } } else { unsigned int max_allowed_size = MYSQLND_ASSEMBLED_PACKET_MAX_SIZE; conn->m->set_client_option(conn, MYSQLND_OPT_MAX_ALLOWED_PACKET, (char *)&max_allowed_size); } if (!hostname.s || !hostname.s[0]) { hostname.s = "localhost"; hostname.l = strlen(hostname.s); } if (!username.s) { DBG_INF_FMT("no user given, using empty string"); username.s = ""; username.l = 0; } if (!password.s) { DBG_INF_FMT("no password given, using empty string"); password.s = ""; password.l = 0; } if (!database.s || !database.s[0]) { DBG_INF_FMT("no db given, using empty string"); database.s = ""; database.l = 0; } else { mysql_flags |= CLIENT_CONNECT_WITH_DB; } transport = conn->m->get_scheme(conn, hostname, &socket_or_pipe, port, &unix_socket, &named_pipe); mysql_flags = conn->m->get_updated_connect_flags(conn, mysql_flags); { const MYSQLND_CSTRING scheme = { transport.s, transport.l }; if (FAIL == conn->m->connect_handshake(conn, &scheme, &username, &password, &database, mysql_flags)) { goto err; } } { SET_CONNECTION_STATE(&conn->state, CONN_READY); if (saved_compression) { pfc->data->compressed = TRUE; } /* If a connect on a existing handle is performed and mysql_flags is passed which doesn't CLIENT_COMPRESS, then we need to overwrite the value which we set based on saved_compression. */ pfc->data->compressed = mysql_flags & CLIENT_COMPRESS? TRUE:FALSE; conn->scheme.s = mnd_pestrndup(transport.s, transport.l, conn->persistent); conn->scheme.l = transport.l; if (transport.s) { mnd_sprintf_free(transport.s); transport.s = NULL; } if (!conn->scheme.s) { goto err; /* OOM */ } conn->username.l = username.l; conn->username.s = mnd_pestrndup(username.s, conn->username.l, conn->persistent); conn->password.l = password.l; conn->password.s = mnd_pestrndup(password.s, conn->password.l, conn->persistent); conn->port = port; conn->connect_or_select_db.l = database.l; conn->connect_or_select_db.s = mnd_pestrndup(database.s, conn->connect_or_select_db.l, conn->persistent); if (!conn->username.s || !conn->password.s|| !conn->connect_or_select_db.s) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } if (!unix_socket && !named_pipe) { conn->hostname.s = mnd_pestrndup(hostname.s, hostname.l, conn->persistent); if (!conn->hostname.s) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } conn->hostname.l = hostname.l; { char *p; mnd_sprintf(&p, 0, "%s via TCP/IP", conn->hostname.s); if (!p) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } conn->host_info = mnd_pestrdup(p, conn->persistent); mnd_sprintf_free(p); if (!conn->host_info) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } } } else { conn->unix_socket.s = mnd_pestrdup(socket_or_pipe.s, conn->persistent); if (unix_socket) { conn->host_info = mnd_pestrdup("Localhost via UNIX socket", conn->persistent); } else if (named_pipe) { char *p; mnd_sprintf(&p, 0, "%s via named pipe", conn->unix_socket.s); if (!p) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } conn->host_info = mnd_pestrdup(p, conn->persistent); mnd_sprintf_free(p); if (!conn->host_info) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } } else { php_error_docref(NULL, E_WARNING, "Impossible. Should be either socket or a pipe. Report a bug!"); } if (!conn->unix_socket.s || !conn->host_info) { SET_OOM_ERROR(conn->error_info); goto err; /* OOM */ } conn->unix_socket.l = strlen(conn->unix_socket.s); } SET_EMPTY_ERROR(conn->error_info); mysqlnd_local_infile_default(conn); if (FAIL == conn->m->execute_init_commands(conn)) { goto err; } MYSQLND_INC_CONN_STATISTIC_W_VALUE2(conn->stats, STAT_CONNECT_SUCCESS, 1, STAT_OPENED_CONNECTIONS, 1); if (reconnect) { MYSQLND_INC_GLOBAL_STATISTIC(STAT_RECONNECT); } if (conn->persistent) { MYSQLND_INC_CONN_STATISTIC_W_VALUE2(conn->stats, STAT_PCONNECT_SUCCESS, 1, STAT_OPENED_PERSISTENT_CONNECTIONS, 1); } DBG_INF_FMT("connection_id=%llu", conn->thread_id); conn->m->local_tx_end(conn, this_func, PASS); DBG_RETURN(PASS); } err: if (transport.s) { mnd_sprintf_free(transport.s); transport.s = NULL; } DBG_ERR_FMT("[%u] %.128s (trying to connect via %s)", conn->error_info->error_no, conn->error_info->error, conn->scheme.s); if (!conn->error_info->error_no) { SET_CLIENT_ERROR(conn->error_info, CR_CONNECTION_ERROR, UNKNOWN_SQLSTATE, conn->error_info->error); php_error_docref(NULL, E_WARNING, "[%u] %.128s (trying to connect via %s)", conn->error_info->error_no, conn->error_info->error, conn->scheme.s); } conn->m->free_contents(conn); MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_CONNECT_FAILURE); if (TRUE == local_tx_started) { conn->m->local_tx_end(conn, this_func, FAIL); } DBG_RETURN(FAIL); } /* }}} */ /* {{{ mysqlnd_conn::connect */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn, connect)(MYSQLND * conn_handle, const MYSQLND_CSTRING hostname, const MYSQLND_CSTRING username, const MYSQLND_CSTRING password, const MYSQLND_CSTRING database, unsigned int port, const MYSQLND_CSTRING socket_or_pipe, unsigned int mysql_flags) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), connect); enum_func_status ret = FAIL; MYSQLND_CONN_DATA * conn = conn_handle->data; DBG_ENTER("mysqlnd_conn::connect"); if (PASS == conn->m->local_tx_start(conn, this_func)) { mysqlnd_options4(conn_handle, MYSQL_OPT_CONNECT_ATTR_ADD, "_client_name", "mysqlnd"); if (hostname.l > 0) { mysqlnd_options4(conn_handle, MYSQL_OPT_CONNECT_ATTR_ADD, "_server_host", hostname.s); } ret = conn->m->connect(conn, hostname, username, password, database, port, socket_or_pipe, mysql_flags); conn->m->local_tx_end(conn, this_func, FAIL); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::query */ /* If conn->error_info->error_no is not zero, then we had an error. Still the result from the query is PASS */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, query)(MYSQLND_CONN_DATA * conn, const char * const query, const size_t query_len) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), query); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::query"); DBG_INF_FMT("conn=%p conn=%llu query=%s", conn, conn->thread_id, query); if (PASS == conn->m->local_tx_start(conn, this_func)) { if (PASS == conn->m->send_query(conn, query, query_len, MYSQLND_SEND_QUERY_IMPLICIT, NULL, NULL) && PASS == conn->m->reap_query(conn, MYSQLND_REAP_RESULT_IMPLICIT)) { ret = PASS; if (conn->last_query_type == QUERY_UPSERT && UPSERT_STATUS_GET_AFFECTED_ROWS(conn->upsert_status)) { MYSQLND_INC_CONN_STATISTIC_W_VALUE(conn->stats, STAT_ROWS_AFFECTED_NORMAL, UPSERT_STATUS_GET_AFFECTED_ROWS(conn->upsert_status)); } } conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::send_query */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, send_query)(MYSQLND_CONN_DATA * conn, const char * const query, const size_t query_len, enum_mysqlnd_send_query_type type, zval *read_cb, zval *err_cb) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), send_query); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::send_query"); DBG_INF_FMT("conn=%llu query=%s", conn->thread_id, query); DBG_INF_FMT("conn->server_status=%u", UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status)); if (type == MYSQLND_SEND_QUERY_IMPLICIT || PASS == conn->m->local_tx_start(conn, this_func)) { const MYSQLND_CSTRING query_string = {query, query_len}; ret = conn->command->query(conn, query_string); if (type == MYSQLND_SEND_QUERY_EXPLICIT) { conn->m->local_tx_end(conn, this_func, ret); } } DBG_INF_FMT("conn->server_status=%u", UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status)); DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::reap_query */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, reap_query)(MYSQLND_CONN_DATA * conn, enum_mysqlnd_reap_result_type type) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), reap_query); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::reap_query"); DBG_INF_FMT("conn=%llu", conn->thread_id); DBG_INF_FMT("conn->server_status=%u", UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status)); if (type == MYSQLND_REAP_RESULT_IMPLICIT || PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->reap_result(conn); if (type == MYSQLND_REAP_RESULT_EXPLICIT) { conn->m->local_tx_end(conn, this_func, ret); } } DBG_INF_FMT("conn->server_status=%u", UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status)); DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::list_method */ MYSQLND_RES * MYSQLND_METHOD(mysqlnd_conn_data, list_method)(MYSQLND_CONN_DATA * conn, const char * const query, const char * const achtung_wild, const char * const par1) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), list_method); char * show_query = NULL; size_t show_query_len; MYSQLND_RES * result = NULL; DBG_ENTER("mysqlnd_conn_data::list_method"); DBG_INF_FMT("conn=%llu query=%s wild=%u", conn->thread_id, query, achtung_wild); if (PASS == conn->m->local_tx_start(conn, this_func)) { if (par1) { if (achtung_wild) { show_query_len = mnd_sprintf(&show_query, 0, query, par1, achtung_wild); } else { show_query_len = mnd_sprintf(&show_query, 0, query, par1); } } else { if (achtung_wild) { show_query_len = mnd_sprintf(&show_query, 0, query, achtung_wild); } else { show_query_len = strlen(show_query = (char *)query); } } if (PASS == conn->m->query(conn, show_query, show_query_len)) { result = conn->m->store_result(conn, MYSQLND_STORE_NO_COPY); } if (show_query != query) { mnd_sprintf_free(show_query); } conn->m->local_tx_end(conn, this_func, result == NULL? FAIL:PASS); } DBG_RETURN(result); } /* }}} */ /* {{{ mysqlnd_conn_data::err_no */ static unsigned int MYSQLND_METHOD(mysqlnd_conn_data, err_no)(const MYSQLND_CONN_DATA * const conn) { return conn->error_info->error_no; } /* }}} */ /* {{{ mysqlnd_conn_data::error */ static const char * MYSQLND_METHOD(mysqlnd_conn_data, error)(const MYSQLND_CONN_DATA * const conn) { return conn->error_info->error; } /* }}} */ /* {{{ mysqlnd_conn_data::sqlstate */ static const char * MYSQLND_METHOD(mysqlnd_conn_data, sqlstate)(const MYSQLND_CONN_DATA * const conn) { return conn->error_info->sqlstate[0] ? conn->error_info->sqlstate:MYSQLND_SQLSTATE_NULL; } /* }}} */ /* {{{ mysqlnd_old_escape_string */ PHPAPI zend_ulong mysqlnd_old_escape_string(char * newstr, const char * escapestr, size_t escapestr_len) { DBG_ENTER("mysqlnd_old_escape_string"); DBG_RETURN(mysqlnd_cset_escape_slashes(mysqlnd_find_charset_name("latin1"), newstr, escapestr, escapestr_len)); } /* }}} */ /* {{{ mysqlnd_conn_data::ssl_set */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, ssl_set)(MYSQLND_CONN_DATA * const conn, const char * key, const char * const cert, const char * const ca, const char * const capath, const char * const cipher) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), ssl_set); enum_func_status ret = FAIL; MYSQLND_VIO * vio = conn->vio; DBG_ENTER("mysqlnd_conn_data::ssl_set"); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = (PASS == vio->data->m.set_client_option(vio, MYSQLND_OPT_SSL_KEY, key) && PASS == vio->data->m.set_client_option(vio, MYSQLND_OPT_SSL_CERT, cert) && PASS == vio->data->m.set_client_option(vio, MYSQLND_OPT_SSL_CA, ca) && PASS == vio->data->m.set_client_option(vio, MYSQLND_OPT_SSL_CAPATH, capath) && PASS == vio->data->m.set_client_option(vio, MYSQLND_OPT_SSL_CIPHER, cipher)) ? PASS : FAIL; conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::escape_string */ static zend_ulong MYSQLND_METHOD(mysqlnd_conn_data, escape_string)(MYSQLND_CONN_DATA * const conn, char * newstr, const char * escapestr, size_t escapestr_len) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), escape_string); zend_ulong ret = FAIL; DBG_ENTER("mysqlnd_conn_data::escape_string"); DBG_INF_FMT("conn=%llu", conn->thread_id); if (PASS == conn->m->local_tx_start(conn, this_func)) { DBG_INF_FMT("server_status=%u", UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status)); if (UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status) & SERVER_STATUS_NO_BACKSLASH_ESCAPES) { ret = mysqlnd_cset_escape_quotes(conn->charset, newstr, escapestr, escapestr_len); } else { ret = mysqlnd_cset_escape_slashes(conn->charset, newstr, escapestr, escapestr_len); } conn->m->local_tx_end(conn, this_func, PASS); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::dump_debug_info */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, dump_debug_info)(MYSQLND_CONN_DATA * const conn) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), server_dump_debug_information); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::dump_debug_info"); DBG_INF_FMT("conn=%llu", conn->thread_id); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->debug(conn); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::select_db */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, select_db)(MYSQLND_CONN_DATA * const conn, const char * const db, const size_t db_len) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), select_db); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::select_db"); DBG_INF_FMT("conn=%llu db=%s", conn->thread_id, db); if (PASS == conn->m->local_tx_start(conn, this_func)) { const MYSQLND_CSTRING database = {db, db_len}; ret = conn->command->init_db(conn, database); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::ping */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, ping)(MYSQLND_CONN_DATA * const conn) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), ping); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::ping"); DBG_INF_FMT("conn=%llu", conn->thread_id); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->ping(conn); conn->m->local_tx_end(conn, this_func, ret); } DBG_INF_FMT("ret=%u", ret); DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::statistic */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, statistic)(MYSQLND_CONN_DATA * conn, zend_string **message) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), get_server_statistics); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::statistic"); DBG_INF_FMT("conn=%llu", conn->thread_id); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->statistics(conn, message); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::kill */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, kill)(MYSQLND_CONN_DATA * conn, unsigned int pid) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), kill_connection); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::kill"); DBG_INF_FMT("conn=%llu pid=%u", conn->thread_id, pid); if (PASS == conn->m->local_tx_start(conn, this_func)) { const unsigned int process_id = pid; /* 'unsigned char' is promoted to 'int' when passed through '...' */ const unsigned int read_response = (pid != conn->thread_id); ret = conn->command->process_kill(conn, process_id, read_response); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::set_charset */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, set_charset)(MYSQLND_CONN_DATA * const conn, const char * const csname) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), set_charset); enum_func_status ret = FAIL; const MYSQLND_CHARSET * const charset = mysqlnd_find_charset_name(csname); DBG_ENTER("mysqlnd_conn_data::set_charset"); DBG_INF_FMT("conn=%llu cs=%s", conn->thread_id, csname); if (!charset) { SET_CLIENT_ERROR(conn->error_info, CR_CANT_FIND_CHARSET, UNKNOWN_SQLSTATE, "Invalid characterset or character set not supported"); DBG_RETURN(ret); } if (PASS == conn->m->local_tx_start(conn, this_func)) { char * query; size_t query_len = mnd_sprintf(&query, 0, "SET NAMES %s", csname); if (FAIL == (ret = conn->m->query(conn, query, query_len))) { php_error_docref(NULL, E_WARNING, "Error executing query"); } else if (conn->error_info->error_no) { ret = FAIL; } else { conn->charset = charset; } mnd_sprintf_free(query); conn->m->local_tx_end(conn, this_func, ret); } DBG_INF(ret == PASS? "PASS":"FAIL"); DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::refresh */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, refresh)(MYSQLND_CONN_DATA * const conn, uint8_t options) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), refresh_server); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::refresh"); DBG_INF_FMT("conn=%llu options=%lu", conn->thread_id, options); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->refresh(conn, options); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::shutdown */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, shutdown)(MYSQLND_CONN_DATA * const conn, uint8_t level) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), shutdown_server); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::shutdown"); DBG_INF_FMT("conn=%llu level=%lu", conn->thread_id, level); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->command->shutdown(conn, level); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_send_close */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, send_close)(MYSQLND_CONN_DATA * const conn) { enum_func_status ret = PASS; MYSQLND_VIO * vio = conn->vio; php_stream * net_stream = vio->data->m.get_stream(vio); enum mysqlnd_connection_state state = GET_CONNECTION_STATE(&conn->state); DBG_ENTER("mysqlnd_send_close"); DBG_INF_FMT("conn=%llu vio->data->stream->abstract=%p", conn->thread_id, net_stream? net_stream->abstract:NULL); DBG_INF_FMT("state=%u", state); if (state >= CONN_READY) { MYSQLND_DEC_GLOBAL_STATISTIC(STAT_OPENED_CONNECTIONS); if (conn->persistent) { MYSQLND_DEC_GLOBAL_STATISTIC(STAT_OPENED_PERSISTENT_CONNECTIONS); } } switch (state) { case CONN_READY: DBG_INF("Connection clean, sending COM_QUIT"); if (net_stream) { ret = conn->command->quit(conn); vio->data->m.close_stream(vio, conn->stats, conn->error_info); } SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT); break; case CONN_SENDING_LOAD_DATA: /* Don't send COM_QUIT if we are in a middle of a LOAD DATA or we will crash (assert) a debug server. */ case CONN_NEXT_RESULT_PENDING: case CONN_QUERY_SENT: case CONN_FETCHING_DATA: MYSQLND_INC_GLOBAL_STATISTIC(STAT_CLOSE_IN_MIDDLE); DBG_ERR_FMT("Brutally closing connection [%p][%s]", conn, conn->scheme.s); /* Do nothing, the connection will be brutally closed and the server will catch it and free close from its side. */ /* Fall-through */ case CONN_ALLOCED: /* Allocated but not connected or there was failure when trying to connect with pre-allocated connect. Fall-through */ SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT); /* Fall-through */ case CONN_QUIT_SENT: /* The user has killed its own connection */ vio->data->m.close_stream(vio, conn->stats, conn->error_info); break; } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::get_reference */ static MYSQLND_CONN_DATA * MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, get_reference)(MYSQLND_CONN_DATA * const conn) { DBG_ENTER("mysqlnd_conn_data::get_reference"); ++conn->refcount; DBG_INF_FMT("conn=%llu new_refcount=%u", conn->thread_id, conn->refcount); DBG_RETURN(conn); } /* }}} */ /* {{{ mysqlnd_conn_data::free_reference */ static enum_func_status MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, free_reference)(MYSQLND_CONN_DATA * const conn) { enum_func_status ret = PASS; DBG_ENTER("mysqlnd_conn_data::free_reference"); DBG_INF_FMT("conn=%llu old_refcount=%u", conn->thread_id, conn->refcount); if (!(--conn->refcount)) { /* No multithreading issues as we don't share the connection :) This will free the object too, of course because references has reached zero. */ ret = conn->m->send_close(conn); conn->m->dtor(conn); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::field_count */ static unsigned int MYSQLND_METHOD(mysqlnd_conn_data, field_count)(const MYSQLND_CONN_DATA * const conn) { return conn->field_count; } /* }}} */ /* {{{ mysqlnd_conn_data::server_status */ static unsigned int MYSQLND_METHOD(mysqlnd_conn_data, server_status)(const MYSQLND_CONN_DATA * const conn) { return UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status); } /* }}} */ /* {{{ mysqlnd_conn_data::insert_id */ static uint64_t MYSQLND_METHOD(mysqlnd_conn_data, insert_id)(const MYSQLND_CONN_DATA * const conn) { return UPSERT_STATUS_GET_LAST_INSERT_ID(conn->upsert_status); } /* }}} */ /* {{{ mysqlnd_conn_data::affected_rows */ static uint64_t MYSQLND_METHOD(mysqlnd_conn_data, affected_rows)(const MYSQLND_CONN_DATA * const conn) { return UPSERT_STATUS_GET_AFFECTED_ROWS(conn->upsert_status); } /* }}} */ /* {{{ mysqlnd_conn_data::warning_count */ static unsigned int MYSQLND_METHOD(mysqlnd_conn_data, warning_count)(const MYSQLND_CONN_DATA * const conn) { return UPSERT_STATUS_GET_WARNINGS(conn->upsert_status); } /* }}} */ /* {{{ mysqlnd_conn_data::info */ static const char * MYSQLND_METHOD(mysqlnd_conn_data, info)(const MYSQLND_CONN_DATA * const conn) { return conn->last_message.s; } /* }}} */ /* {{{ mysqlnd_get_client_info */ PHPAPI const char * mysqlnd_get_client_info() { return PHP_MYSQLND_VERSION; } /* }}} */ /* {{{ mysqlnd_get_client_version */ PHPAPI unsigned long mysqlnd_get_client_version() { return MYSQLND_VERSION_ID; } /* }}} */ /* {{{ mysqlnd_conn_data::get_server_info */ static const char * MYSQLND_METHOD(mysqlnd_conn_data, get_server_info)(const MYSQLND_CONN_DATA * const conn) { return conn->server_version; } /* }}} */ /* {{{ mysqlnd_conn_data::get_host_info */ static const char * MYSQLND_METHOD(mysqlnd_conn_data, get_host_info)(const MYSQLND_CONN_DATA * const conn) { return conn->host_info; } /* }}} */ /* {{{ mysqlnd_conn_data::get_proto_info */ static unsigned int MYSQLND_METHOD(mysqlnd_conn_data, get_proto_info)(const MYSQLND_CONN_DATA * const conn) { return conn->protocol_version; } /* }}} */ /* {{{ mysqlnd_conn_data::charset_name */ static const char * MYSQLND_METHOD(mysqlnd_conn_data, charset_name)(const MYSQLND_CONN_DATA * const conn) { return conn->charset->name; } /* }}} */ /* {{{ mysqlnd_conn_data::thread_id */ static uint64_t MYSQLND_METHOD(mysqlnd_conn_data, thread_id)(const MYSQLND_CONN_DATA * const conn) { return conn->thread_id; } /* }}} */ /* {{{ mysqlnd_conn_data::get_server_version */ static zend_ulong MYSQLND_METHOD(mysqlnd_conn_data, get_server_version)(const MYSQLND_CONN_DATA * const conn) { zend_long major, minor, patch; char *p; if (!(p = conn->server_version)) { return 0; } #define MARIA_DB_VERSION_HACK_PREFIX "5.5.5-" if (conn->server_capabilities & CLIENT_PLUGIN_AUTH && !strncmp(p, MARIA_DB_VERSION_HACK_PREFIX, sizeof(MARIA_DB_VERSION_HACK_PREFIX)-1)) { p += sizeof(MARIA_DB_VERSION_HACK_PREFIX)-1; } major = ZEND_STRTOL(p, &p, 10); p += 1; /* consume the dot */ minor = ZEND_STRTOL(p, &p, 10); p += 1; /* consume the dot */ patch = ZEND_STRTOL(p, &p, 10); return (zend_ulong)(major * Z_L(10000) + (zend_ulong)(minor * Z_L(100) + patch)); } /* }}} */ /* {{{ mysqlnd_conn_data::more_results */ static zend_bool MYSQLND_METHOD(mysqlnd_conn_data, more_results)(const MYSQLND_CONN_DATA * const conn) { DBG_ENTER("mysqlnd_conn_data::more_results"); /* (conn->state == CONN_NEXT_RESULT_PENDING) too */ DBG_RETURN(UPSERT_STATUS_GET_SERVER_STATUS(conn->upsert_status) & SERVER_MORE_RESULTS_EXISTS? TRUE:FALSE); } /* }}} */ /* {{{ mysqlnd_conn_data::next_result */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, next_result)(MYSQLND_CONN_DATA * const conn) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), next_result); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::next_result"); DBG_INF_FMT("conn=%llu", conn->thread_id); SET_EMPTY_ERROR(conn->error_info); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { if (GET_CONNECTION_STATE(&conn->state) != CONN_NEXT_RESULT_PENDING) { break; } UPSERT_STATUS_SET_AFFECTED_ROWS_TO_ERROR(conn->upsert_status); /* We are sure that there is a result set, since conn->state is set accordingly in mysqlnd_store_result() or mysqlnd_fetch_row_unbuffered() */ if (FAIL == (ret = conn->m->query_read_result_set_header(conn, NULL))) { /* There can be an error in the middle of a multi-statement, which will cancel the multi-statement. So there are no more results and we should just return FALSE, error_no has been set */ if (!conn->error_info->error_no) { DBG_ERR_FMT("Serious error. %s::%u", __FILE__, __LINE__); php_error_docref(NULL, E_WARNING, "Serious error. PID=%d", getpid()); SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT); conn->m->send_close(conn); } else { DBG_INF_FMT("Error from the server : (%u) %s", conn->error_info->error_no, conn->error_info->error); } break; } if (conn->last_query_type == QUERY_UPSERT && UPSERT_STATUS_GET_AFFECTED_ROWS(conn->upsert_status)) { MYSQLND_INC_CONN_STATISTIC_W_VALUE(conn->stats, STAT_ROWS_AFFECTED_NORMAL, UPSERT_STATUS_GET_AFFECTED_ROWS(conn->upsert_status)); } } while (0); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_field_type_name */ PHPAPI const char * mysqlnd_field_type_name(const enum mysqlnd_field_types field_type) { switch(field_type) { case FIELD_TYPE_JSON: return "json"; case FIELD_TYPE_STRING: case FIELD_TYPE_VAR_STRING: return "string"; case FIELD_TYPE_TINY: case FIELD_TYPE_SHORT: case FIELD_TYPE_LONG: case FIELD_TYPE_LONGLONG: case FIELD_TYPE_INT24: return "int"; case FIELD_TYPE_FLOAT: case FIELD_TYPE_DOUBLE: case FIELD_TYPE_DECIMAL: case FIELD_TYPE_NEWDECIMAL: return "real"; case FIELD_TYPE_TIMESTAMP: return "timestamp"; case FIELD_TYPE_YEAR: return "year"; case FIELD_TYPE_DATE: case FIELD_TYPE_NEWDATE: return "date"; case FIELD_TYPE_TIME: return "time"; case FIELD_TYPE_SET: return "set"; case FIELD_TYPE_ENUM: return "enum"; case FIELD_TYPE_GEOMETRY: return "geometry"; case FIELD_TYPE_DATETIME: return "datetime"; case FIELD_TYPE_TINY_BLOB: case FIELD_TYPE_MEDIUM_BLOB: case FIELD_TYPE_LONG_BLOB: case FIELD_TYPE_BLOB: return "blob"; case FIELD_TYPE_NULL: return "null"; case FIELD_TYPE_BIT: return "bit"; default: return "unknown"; } } /* }}} */ /* {{{ mysqlnd_conn_data::change_user */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, change_user)(MYSQLND_CONN_DATA * const conn, const char * user, const char * passwd, const char * db, zend_bool silent, size_t passwd_len ) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), change_user); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::change_user"); DBG_INF_FMT("conn=%llu user=%s passwd=%s db=%s silent=%u", conn->thread_id, user?user:"", passwd?"***":"null", db?db:"", silent == TRUE); if (PASS != conn->m->local_tx_start(conn, this_func)) { goto end; } SET_EMPTY_ERROR(conn->error_info); UPSERT_STATUS_SET_AFFECTED_ROWS_TO_ERROR(conn->upsert_status); if (!user) { user = ""; } if (!passwd) { passwd = ""; passwd_len = 0; } if (!db) { db = ""; } /* XXX: passwords that have \0 inside work during auth, but in this case won't work with change user */ ret = mysqlnd_run_authentication(conn, user, passwd, passwd_len, db, strlen(db), conn->authentication_plugin_data, conn->options->auth_protocol, 0 /*charset not used*/, conn->options, conn->server_capabilities, silent, TRUE/*is_change*/); /* Here we should close all statements. Unbuffered queries should not be a problem as we won't allow sending COM_CHANGE_USER. */ conn->m->local_tx_end(conn, this_func, ret); end: DBG_INF(ret == PASS? "PASS":"FAIL"); DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::set_client_option */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, set_client_option)(MYSQLND_CONN_DATA * const conn, enum_mysqlnd_client_option option, const char * const value ) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), set_client_option); enum_func_status ret = PASS; DBG_ENTER("mysqlnd_conn_data::set_client_option"); DBG_INF_FMT("conn=%llu option=%u", conn->thread_id, option); if (PASS != conn->m->local_tx_start(conn, this_func)) { goto end; } switch (option) { case MYSQL_OPT_READ_TIMEOUT: case MYSQL_OPT_WRITE_TIMEOUT: case MYSQLND_OPT_SSL_KEY: case MYSQLND_OPT_SSL_CERT: case MYSQLND_OPT_SSL_CA: case MYSQLND_OPT_SSL_CAPATH: case MYSQLND_OPT_SSL_CIPHER: case MYSQL_OPT_SSL_VERIFY_SERVER_CERT: case MYSQL_OPT_CONNECT_TIMEOUT: case MYSQLND_OPT_NET_READ_BUFFER_SIZE: ret = conn->vio->data->m.set_client_option(conn->vio, option, value); break; case MYSQLND_OPT_NET_CMD_BUFFER_SIZE: case MYSQL_OPT_COMPRESS: case MYSQL_SERVER_PUBLIC_KEY: ret = conn->protocol_frame_codec->data->m.set_client_option(conn->protocol_frame_codec, option, value); break; #ifdef MYSQLND_STRING_TO_INT_CONVERSION case MYSQLND_OPT_INT_AND_FLOAT_NATIVE: conn->options->int_and_float_native = *(unsigned int*) value; break; #endif case MYSQL_OPT_LOCAL_INFILE: if (value && (*(unsigned int*) value) ? 1 : 0) { conn->options->flags |= CLIENT_LOCAL_FILES; } else { conn->options->flags &= ~CLIENT_LOCAL_FILES; } break; case MYSQL_INIT_COMMAND: { char ** new_init_commands; char * new_command; /* when num_commands is 0, then realloc will be effectively a malloc call, internally */ /* Don't assign to conn->options->init_commands because in case of OOM we will lose the pointer and leak */ new_init_commands = mnd_perealloc(conn->options->init_commands, sizeof(char *) * (conn->options->num_commands + 1), conn->persistent); if (!new_init_commands) { goto oom; } conn->options->init_commands = new_init_commands; new_command = mnd_pestrdup(value, conn->persistent); if (!new_command) { goto oom; } conn->options->init_commands[conn->options->num_commands] = new_command; ++conn->options->num_commands; break; } case MYSQL_READ_DEFAULT_FILE: case MYSQL_READ_DEFAULT_GROUP: #ifdef WHEN_SUPPORTED_BY_MYSQLI case MYSQL_SET_CLIENT_IP: case MYSQL_REPORT_DATA_TRUNCATION: #endif /* currently not supported. Todo!! */ break; case MYSQL_SET_CHARSET_NAME: { char * new_charset_name; if (!mysqlnd_find_charset_name(value)) { SET_CLIENT_ERROR(conn->error_info, CR_CANT_FIND_CHARSET, UNKNOWN_SQLSTATE, "Unknown character set"); ret = FAIL; break; } new_charset_name = mnd_pestrdup(value, conn->persistent); if (!new_charset_name) { goto oom; } if (conn->options->charset_name) { mnd_pefree(conn->options->charset_name, conn->persistent); } conn->options->charset_name = new_charset_name; DBG_INF_FMT("charset=%s", conn->options->charset_name); break; } case MYSQL_OPT_NAMED_PIPE: conn->options->protocol = MYSQL_PROTOCOL_PIPE; break; case MYSQL_OPT_PROTOCOL: if (*(unsigned int*) value < MYSQL_PROTOCOL_LAST) { conn->options->protocol = *(unsigned int*) value; } break; #ifdef WHEN_SUPPORTED_BY_MYSQLI case MYSQL_SET_CHARSET_DIR: case MYSQL_OPT_RECONNECT: /* we don't need external character sets, all character sets are compiled in. For compatibility we just ignore this setting. Same for protocol, we don't support old protocol */ case MYSQL_OPT_USE_REMOTE_CONNECTION: case MYSQL_OPT_USE_EMBEDDED_CONNECTION: case MYSQL_OPT_GUESS_CONNECTION: /* todo: throw an error, we don't support embedded */ break; #endif case MYSQLND_OPT_MAX_ALLOWED_PACKET: if (*(unsigned int*) value > (1<<16)) { conn->options->max_allowed_packet = *(unsigned int*) value; } break; case MYSQLND_OPT_AUTH_PROTOCOL: { char * new_auth_protocol = value? mnd_pestrdup(value, conn->persistent) : NULL; if (value && !new_auth_protocol) { goto oom; } if (conn->options->auth_protocol) { mnd_pefree(conn->options->auth_protocol, conn->persistent); } conn->options->auth_protocol = new_auth_protocol; DBG_INF_FMT("auth_protocol=%s", conn->options->auth_protocol); break; } case MYSQL_OPT_CAN_HANDLE_EXPIRED_PASSWORDS: if (value && (*(unsigned int*) value) ? 1 : 0) { conn->options->flags |= CLIENT_CAN_HANDLE_EXPIRED_PASSWORDS; } else { conn->options->flags &= ~CLIENT_CAN_HANDLE_EXPIRED_PASSWORDS; } break; case MYSQL_OPT_CONNECT_ATTR_RESET: if (conn->options->connect_attr) { DBG_INF_FMT("Before reset %d attribute(s)", zend_hash_num_elements(conn->options->connect_attr)); zend_hash_clean(conn->options->connect_attr); } break; case MYSQL_OPT_CONNECT_ATTR_DELETE: if (conn->options->connect_attr && value) { DBG_INF_FMT("Before delete %d attribute(s)", zend_hash_num_elements(conn->options->connect_attr)); zend_hash_str_del(conn->options->connect_attr, value, strlen(value)); DBG_INF_FMT("%d left", zend_hash_num_elements(conn->options->connect_attr)); } break; #ifdef WHEN_SUPPORTED_BY_MYSQLI case MYSQL_SHARED_MEMORY_BASE_NAME: case MYSQL_OPT_USE_RESULT: case MYSQL_SECURE_AUTH: /* not sure, todo ? */ #endif default: ret = FAIL; } conn->m->local_tx_end(conn, this_func, ret); DBG_RETURN(ret); oom: SET_OOM_ERROR(conn->error_info); conn->m->local_tx_end(conn, this_func, FAIL); end: DBG_RETURN(FAIL); } /* }}} */ /* {{{ mysqlnd_conn_data::set_client_option_2d */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, set_client_option_2d)(MYSQLND_CONN_DATA * const conn, const enum_mysqlnd_client_option option, const char * const key, const char * const value ) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), set_client_option_2d); enum_func_status ret = PASS; DBG_ENTER("mysqlnd_conn_data::set_client_option_2d"); DBG_INF_FMT("conn=%llu option=%u", conn->thread_id, option); if (PASS != conn->m->local_tx_start(conn, this_func)) { goto end; } switch (option) { case MYSQL_OPT_CONNECT_ATTR_ADD: if (!conn->options->connect_attr) { DBG_INF("Initializing connect_attr hash"); conn->options->connect_attr = mnd_pemalloc(sizeof(HashTable), conn->persistent); if (!conn->options->connect_attr) { goto oom; } zend_hash_init(conn->options->connect_attr, 0, NULL, conn->persistent ? ZVAL_INTERNAL_PTR_DTOR : ZVAL_PTR_DTOR, conn->persistent); } DBG_INF_FMT("Adding [%s][%s]", key, value); { zval attrz; zend_string *str; if (conn->persistent) { str = zend_string_init(key, strlen(key), 1); GC_MAKE_PERSISTENT_LOCAL(str); ZVAL_NEW_STR(&attrz, zend_string_init(value, strlen(value), 1)); GC_MAKE_PERSISTENT_LOCAL(Z_COUNTED(attrz)); } else { str = zend_string_init(key, strlen(key), 0); ZVAL_NEW_STR(&attrz, zend_string_init(value, strlen(value), 0)); } zend_hash_update(conn->options->connect_attr, str, &attrz); zend_string_release_ex(str, 1); } break; default: ret = FAIL; } conn->m->local_tx_end(conn, this_func, ret); DBG_RETURN(ret); oom: SET_OOM_ERROR(conn->error_info); conn->m->local_tx_end(conn, this_func, FAIL); end: DBG_RETURN(FAIL); } /* }}} */ /* {{{ mysqlnd_conn_data::use_result */ static MYSQLND_RES * MYSQLND_METHOD(mysqlnd_conn_data, use_result)(MYSQLND_CONN_DATA * const conn, const unsigned int flags) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), use_result); MYSQLND_RES * result = NULL; DBG_ENTER("mysqlnd_conn_data::use_result"); DBG_INF_FMT("conn=%llu", conn->thread_id); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { if (!conn->current_result) { break; } /* Nothing to store for UPSERT/LOAD DATA */ if (conn->last_query_type != QUERY_SELECT || GET_CONNECTION_STATE(&conn->state) != CONN_FETCHING_DATA) { SET_CLIENT_ERROR(conn->error_info, CR_COMMANDS_OUT_OF_SYNC, UNKNOWN_SQLSTATE, mysqlnd_out_of_sync); DBG_ERR("Command out of sync"); break; } MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_UNBUFFERED_SETS); conn->current_result->conn = conn->m->get_reference(conn); result = conn->current_result->m.use_result(conn->current_result, FALSE); if (!result) { conn->current_result->m.free_result(conn->current_result, TRUE); } conn->current_result = NULL; } while (0); conn->m->local_tx_end(conn, this_func, result == NULL? FAIL:PASS); } DBG_RETURN(result); } /* }}} */ /* {{{ mysqlnd_conn_data::store_result */ static MYSQLND_RES * MYSQLND_METHOD(mysqlnd_conn_data, store_result)(MYSQLND_CONN_DATA * const conn, const unsigned int flags) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), store_result); MYSQLND_RES * result = NULL; DBG_ENTER("mysqlnd_conn_data::store_result"); DBG_INF_FMT("conn=%llu conn=%p", conn->thread_id, conn); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { unsigned int f = flags; if (!conn->current_result) { break; } /* Nothing to store for UPSERT/LOAD DATA*/ if (conn->last_query_type != QUERY_SELECT || GET_CONNECTION_STATE(&conn->state) != CONN_FETCHING_DATA) { SET_CLIENT_ERROR(conn->error_info, CR_COMMANDS_OUT_OF_SYNC, UNKNOWN_SQLSTATE, mysqlnd_out_of_sync); DBG_ERR("Command out of sync"); break; } MYSQLND_INC_CONN_STATISTIC(conn->stats, STAT_BUFFERED_SETS); /* overwrite */ if ((conn->m->get_client_api_capabilities(conn) & MYSQLND_CLIENT_KNOWS_RSET_COPY_DATA)) { if (MYSQLND_G(fetch_data_copy)) { f &= ~MYSQLND_STORE_NO_COPY; f |= MYSQLND_STORE_COPY; } } else { /* if for some reason PDO borks something */ if (!(f & (MYSQLND_STORE_NO_COPY | MYSQLND_STORE_COPY))) { f |= MYSQLND_STORE_COPY; } } if (!(f & (MYSQLND_STORE_NO_COPY | MYSQLND_STORE_COPY))) { SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, "Unknown fetch mode"); DBG_ERR("Unknown fetch mode"); break; } result = conn->current_result->m.store_result(conn->current_result, conn, f); if (!result) { conn->current_result->m.free_result(conn->current_result, TRUE); } conn->current_result = NULL; } while (0); conn->m->local_tx_end(conn, this_func, result == NULL? FAIL:PASS); } DBG_RETURN(result); } /* }}} */ /* {{{ mysqlnd_conn_data::get_connection_stats */ static void MYSQLND_METHOD(mysqlnd_conn_data, get_connection_stats)(const MYSQLND_CONN_DATA * const conn, zval * return_value ZEND_FILE_LINE_DC) { DBG_ENTER("mysqlnd_conn_data::get_connection_stats"); mysqlnd_fill_stats_hash(conn->stats, mysqlnd_stats_values_names, return_value ZEND_FILE_LINE_CC); DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_conn_data::set_autocommit */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, set_autocommit)(MYSQLND_CONN_DATA * conn, unsigned int mode) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), set_autocommit); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::set_autocommit"); if (PASS == conn->m->local_tx_start(conn, this_func)) { ret = conn->m->query(conn, (mode) ? "SET AUTOCOMMIT=1":"SET AUTOCOMMIT=0", sizeof("SET AUTOCOMMIT=1") - 1); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::tx_commit */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, tx_commit)(MYSQLND_CONN_DATA * conn) { return conn->m->tx_commit_or_rollback(conn, TRUE, TRANS_COR_NO_OPT, NULL); } /* }}} */ /* {{{ mysqlnd_conn_data::tx_rollback */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, tx_rollback)(MYSQLND_CONN_DATA * conn) { return conn->m->tx_commit_or_rollback(conn, FALSE, TRANS_COR_NO_OPT, NULL); } /* }}} */ /* {{{ mysqlnd_tx_cor_options_to_string */ static void MYSQLND_METHOD(mysqlnd_conn_data, tx_cor_options_to_string)(const MYSQLND_CONN_DATA * const conn, smart_str * str, const unsigned int mode) { if (mode & TRANS_COR_AND_CHAIN && !(mode & TRANS_COR_AND_NO_CHAIN)) { if (str->s && ZSTR_LEN(str->s)) { smart_str_appendl(str, " ", sizeof(" ") - 1); } smart_str_appendl(str, "AND CHAIN", sizeof("AND CHAIN") - 1); } else if (mode & TRANS_COR_AND_NO_CHAIN && !(mode & TRANS_COR_AND_CHAIN)) { if (str->s && ZSTR_LEN(str->s)) { smart_str_appendl(str, " ", sizeof(" ") - 1); } smart_str_appendl(str, "AND NO CHAIN", sizeof("AND NO CHAIN") - 1); } if (mode & TRANS_COR_RELEASE && !(mode & TRANS_COR_NO_RELEASE)) { if (str->s && ZSTR_LEN(str->s)) { smart_str_appendl(str, " ", sizeof(" ") - 1); } smart_str_appendl(str, "RELEASE", sizeof("RELEASE") - 1); } else if (mode & TRANS_COR_NO_RELEASE && !(mode & TRANS_COR_RELEASE)) { if (str->s && ZSTR_LEN(str->s)) { smart_str_appendl(str, " ", sizeof(" ") - 1); } smart_str_appendl(str, "NO RELEASE", sizeof("NO RELEASE") - 1); } smart_str_0(str); } /* }}} */ /* {{{ mysqlnd_escape_string_for_tx_name_in_comment */ static char * mysqlnd_escape_string_for_tx_name_in_comment(const char * const name) { char * ret = NULL; DBG_ENTER("mysqlnd_escape_string_for_tx_name_in_comment"); if (name) { zend_bool warned = FALSE; const char * p_orig = name; char * p_copy; p_copy = ret = mnd_emalloc(strlen(name) + 1 + 2 + 2 + 1); /* space, open, close, NullS */ *p_copy++ = ' '; *p_copy++ = '/'; *p_copy++ = '*'; while (1) { register char v = *p_orig; if (v == 0) { break; } if ((v >= '0' && v <= '9') || (v >= 'a' && v <= 'z') || (v >= 'A' && v <= 'Z') || v == '-' || v == '_' || v == ' ' || v == '=') { *p_copy++ = v; } else if (warned == FALSE) { php_error_docref(NULL, E_WARNING, "Transaction name truncated. Must be only [0-9A-Za-z\\-_=]+"); warned = TRUE; } ++p_orig; } *p_copy++ = '*'; *p_copy++ = '/'; *p_copy++ = 0; } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::tx_commit_ex */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, tx_commit_or_rollback)(MYSQLND_CONN_DATA * conn, const zend_bool commit, const unsigned int flags, const char * const name) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), tx_commit_or_rollback); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::tx_commit_or_rollback"); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { smart_str tmp_str = {0, 0}; conn->m->tx_cor_options_to_string(conn, &tmp_str, flags); smart_str_0(&tmp_str); { char * query; size_t query_len; char * name_esc = mysqlnd_escape_string_for_tx_name_in_comment(name); query_len = mnd_sprintf(&query, 0, (commit? "COMMIT%s %s":"ROLLBACK%s %s"), name_esc? name_esc:"", tmp_str.s? ZSTR_VAL(tmp_str.s):""); smart_str_free(&tmp_str); if (name_esc) { mnd_efree(name_esc); name_esc = NULL; } if (!query) { SET_OOM_ERROR(conn->error_info); break; } ret = conn->m->query(conn, query, query_len); mnd_sprintf_free(query); } } while (0); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::tx_begin */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, tx_begin)(MYSQLND_CONN_DATA * conn, const unsigned int mode, const char * const name) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), tx_begin); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::tx_begin"); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { smart_str tmp_str = {0, 0}; if (mode & TRANS_START_WITH_CONSISTENT_SNAPSHOT) { if (tmp_str.s) { smart_str_appendl(&tmp_str, ", ", sizeof(", ") - 1); } smart_str_appendl(&tmp_str, "WITH CONSISTENT SNAPSHOT", sizeof("WITH CONSISTENT SNAPSHOT") - 1); } if (mode & TRANS_START_READ_WRITE) { if (tmp_str.s && ZSTR_LEN(tmp_str.s)) { smart_str_appendl(&tmp_str, ", ", sizeof(", ") - 1); } smart_str_appendl(&tmp_str, "READ WRITE", sizeof("READ WRITE") - 1); } else if (mode & TRANS_START_READ_ONLY) { if (tmp_str.s && ZSTR_LEN(tmp_str.s)) { smart_str_appendl(&tmp_str, ", ", sizeof(", ") - 1); } smart_str_appendl(&tmp_str, "READ ONLY", sizeof("READ ONLY") - 1); } smart_str_0(&tmp_str); { char * name_esc = mysqlnd_escape_string_for_tx_name_in_comment(name); char * query; unsigned int query_len = mnd_sprintf(&query, 0, "START TRANSACTION%s %s", name_esc? name_esc:"", tmp_str.s? ZSTR_VAL(tmp_str.s):""); smart_str_free(&tmp_str); if (name_esc) { mnd_efree(name_esc); name_esc = NULL; } if (!query) { SET_OOM_ERROR(conn->error_info); break; } ret = conn->m->query(conn, query, query_len); mnd_sprintf_free(query); if (ret && mode & (TRANS_START_READ_WRITE | TRANS_START_READ_ONLY) && mysqlnd_stmt_errno(conn) == 1064) { php_error_docref(NULL, E_WARNING, "This server version doesn't support 'READ WRITE' and 'READ ONLY'. Minimum 5.6.5 is required"); break; } } } while (0); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::tx_savepoint */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, tx_savepoint)(MYSQLND_CONN_DATA * conn, const char * const name) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), tx_savepoint); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::tx_savepoint"); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { char * query; unsigned int query_len; if (!name) { SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, "Savepoint name not provided"); break; } query_len = mnd_sprintf(&query, 0, "SAVEPOINT `%s`", name); if (!query) { SET_OOM_ERROR(conn->error_info); break; } ret = conn->m->query(conn, query, query_len); mnd_sprintf_free(query); } while (0); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::tx_savepoint_release */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, tx_savepoint_release)(MYSQLND_CONN_DATA * conn, const char * const name) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data), tx_savepoint_release); enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn_data::tx_savepoint_release"); if (PASS == conn->m->local_tx_start(conn, this_func)) { do { char * query; unsigned int query_len; if (!name) { SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, "Savepoint name not provided"); break; } query_len = mnd_sprintf(&query, 0, "RELEASE SAVEPOINT `%s`", name); if (!query) { SET_OOM_ERROR(conn->error_info); break; } ret = conn->m->query(conn, query, query_len); mnd_sprintf_free(query); } while (0); conn->m->local_tx_end(conn, this_func, ret); } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::negotiate_client_api_capabilities */ static size_t MYSQLND_METHOD(mysqlnd_conn_data, negotiate_client_api_capabilities)(MYSQLND_CONN_DATA * const conn, const size_t flags) { unsigned int ret = 0; DBG_ENTER("mysqlnd_conn_data::negotiate_client_api_capabilities"); if (conn) { ret = conn->client_api_capabilities; conn->client_api_capabilities = flags; } DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::get_client_api_capabilities */ static size_t MYSQLND_METHOD(mysqlnd_conn_data, get_client_api_capabilities)(const MYSQLND_CONN_DATA * const conn) { DBG_ENTER("mysqlnd_conn_data::get_client_api_capabilities"); DBG_RETURN(conn? conn->client_api_capabilities : 0); } /* }}} */ /* {{{ mysqlnd_conn_data::local_tx_start */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, local_tx_start)(MYSQLND_CONN_DATA * conn, const size_t this_func) { DBG_ENTER("mysqlnd_conn_data::local_tx_start"); DBG_RETURN(PASS); } /* }}} */ /* {{{ mysqlnd_conn_data::local_tx_end */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn_data, local_tx_end)(MYSQLND_CONN_DATA * conn, const size_t this_func, const enum_func_status status) { DBG_ENTER("mysqlnd_conn_data::local_tx_end"); DBG_RETURN(status); } /* }}} */ /* {{{ _mysqlnd_stmt_init */ MYSQLND_STMT * MYSQLND_METHOD(mysqlnd_conn_data, stmt_init)(MYSQLND_CONN_DATA * const conn) { MYSQLND_STMT * ret; DBG_ENTER("mysqlnd_conn_data::stmt_init"); ret = conn->object_factory.get_prepared_statement(conn); DBG_RETURN(ret); } /* }}} */ MYSQLND_CLASS_METHODS_START(mysqlnd_conn_data) MYSQLND_METHOD(mysqlnd_conn_data, connect), MYSQLND_METHOD(mysqlnd_conn_data, escape_string), MYSQLND_METHOD(mysqlnd_conn_data, set_charset), MYSQLND_METHOD(mysqlnd_conn_data, query), MYSQLND_METHOD(mysqlnd_conn_data, send_query), MYSQLND_METHOD(mysqlnd_conn_data, reap_query), MYSQLND_METHOD(mysqlnd_conn_data, use_result), MYSQLND_METHOD(mysqlnd_conn_data, store_result), MYSQLND_METHOD(mysqlnd_conn_data, next_result), MYSQLND_METHOD(mysqlnd_conn_data, more_results), MYSQLND_METHOD(mysqlnd_conn_data, stmt_init), MYSQLND_METHOD(mysqlnd_conn_data, shutdown), MYSQLND_METHOD(mysqlnd_conn_data, refresh), MYSQLND_METHOD(mysqlnd_conn_data, ping), MYSQLND_METHOD(mysqlnd_conn_data, kill), MYSQLND_METHOD(mysqlnd_conn_data, select_db), MYSQLND_METHOD(mysqlnd_conn_data, dump_debug_info), MYSQLND_METHOD(mysqlnd_conn_data, change_user), MYSQLND_METHOD(mysqlnd_conn_data, err_no), MYSQLND_METHOD(mysqlnd_conn_data, error), MYSQLND_METHOD(mysqlnd_conn_data, sqlstate), MYSQLND_METHOD(mysqlnd_conn_data, thread_id), MYSQLND_METHOD(mysqlnd_conn_data, get_connection_stats), MYSQLND_METHOD(mysqlnd_conn_data, get_server_version), MYSQLND_METHOD(mysqlnd_conn_data, get_server_info), MYSQLND_METHOD(mysqlnd_conn_data, statistic), MYSQLND_METHOD(mysqlnd_conn_data, get_host_info), MYSQLND_METHOD(mysqlnd_conn_data, get_proto_info), MYSQLND_METHOD(mysqlnd_conn_data, info), MYSQLND_METHOD(mysqlnd_conn_data, charset_name), MYSQLND_METHOD(mysqlnd_conn_data, list_method), MYSQLND_METHOD(mysqlnd_conn_data, insert_id), MYSQLND_METHOD(mysqlnd_conn_data, affected_rows), MYSQLND_METHOD(mysqlnd_conn_data, warning_count), MYSQLND_METHOD(mysqlnd_conn_data, field_count), MYSQLND_METHOD(mysqlnd_conn_data, server_status), MYSQLND_METHOD(mysqlnd_conn_data, set_server_option), MYSQLND_METHOD(mysqlnd_conn_data, set_client_option), MYSQLND_METHOD(mysqlnd_conn_data, free_contents), MYSQLND_METHOD(mysqlnd_conn_data, free_options), MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, dtor), mysqlnd_query_read_result_set_header, MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, get_reference), MYSQLND_METHOD_PRIVATE(mysqlnd_conn_data, free_reference), MYSQLND_METHOD(mysqlnd_conn_data, restart_psession), MYSQLND_METHOD(mysqlnd_conn_data, end_psession), MYSQLND_METHOD(mysqlnd_conn_data, send_close), MYSQLND_METHOD(mysqlnd_conn_data, ssl_set), mysqlnd_result_init, MYSQLND_METHOD(mysqlnd_conn_data, set_autocommit), MYSQLND_METHOD(mysqlnd_conn_data, tx_commit), MYSQLND_METHOD(mysqlnd_conn_data, tx_rollback), MYSQLND_METHOD(mysqlnd_conn_data, tx_begin), MYSQLND_METHOD(mysqlnd_conn_data, tx_commit_or_rollback), MYSQLND_METHOD(mysqlnd_conn_data, tx_cor_options_to_string), MYSQLND_METHOD(mysqlnd_conn_data, tx_savepoint), MYSQLND_METHOD(mysqlnd_conn_data, tx_savepoint_release), MYSQLND_METHOD(mysqlnd_conn_data, local_tx_start), MYSQLND_METHOD(mysqlnd_conn_data, local_tx_end), MYSQLND_METHOD(mysqlnd_conn_data, execute_init_commands), MYSQLND_METHOD(mysqlnd_conn_data, get_updated_connect_flags), MYSQLND_METHOD(mysqlnd_conn_data, connect_handshake), MYSQLND_METHOD(mysqlnd_conn_data, fetch_auth_plugin_by_name), MYSQLND_METHOD(mysqlnd_conn_data, set_client_option_2d), MYSQLND_METHOD(mysqlnd_conn_data, negotiate_client_api_capabilities), MYSQLND_METHOD(mysqlnd_conn_data, get_client_api_capabilities), MYSQLND_METHOD(mysqlnd_conn_data, get_scheme) MYSQLND_CLASS_METHODS_END; /* {{{ mysqlnd_conn::get_reference */ static MYSQLND * MYSQLND_METHOD(mysqlnd_conn, clone_object)(MYSQLND * const conn) { MYSQLND * ret; DBG_ENTER("mysqlnd_conn::get_reference"); ret = conn->data->object_factory.clone_connection_object(conn); DBG_RETURN(ret); } /* }}} */ /* {{{ mysqlnd_conn_data::dtor */ static void MYSQLND_METHOD_PRIVATE(mysqlnd_conn, dtor)(MYSQLND * conn) { DBG_ENTER("mysqlnd_conn::dtor"); DBG_INF_FMT("conn=%llu", conn->data->thread_id); conn->data->m->free_reference(conn->data); mnd_pefree(conn, conn->persistent); DBG_VOID_RETURN; } /* }}} */ /* {{{ mysqlnd_conn_data::close */ static enum_func_status MYSQLND_METHOD(mysqlnd_conn, close)(MYSQLND * conn_handle, const enum_connection_close_type close_type) { const size_t this_func = STRUCT_OFFSET(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn), close); MYSQLND_CONN_DATA * conn = conn_handle->data; enum_func_status ret = FAIL; DBG_ENTER("mysqlnd_conn::close"); DBG_INF_FMT("conn=%llu", conn->thread_id); if (PASS == conn->m->local_tx_start(conn, this_func)) { if (GET_CONNECTION_STATE(&conn->state) >= CONN_READY) { static enum_mysqlnd_collected_stats close_type_to_stat_map[MYSQLND_CLOSE_LAST] = { STAT_CLOSE_EXPLICIT, STAT_CLOSE_IMPLICIT, STAT_CLOSE_DISCONNECT }; MYSQLND_INC_CONN_STATISTIC(conn->stats, close_type_to_stat_map[close_type]); } /* Close now, free_reference will try, if we are last, but that's not a problem. */ ret = conn->m->send_close(conn); /* If we do it after free_reference/dtor then we might crash */ conn->m->local_tx_end(conn, this_func, ret); conn_handle->m->dtor(conn_handle); } DBG_RETURN(ret); } /* }}} */ MYSQLND_CLASS_METHODS_START(mysqlnd_conn) MYSQLND_METHOD(mysqlnd_conn, connect), MYSQLND_METHOD(mysqlnd_conn, clone_object), MYSQLND_METHOD_PRIVATE(mysqlnd_conn, dtor), MYSQLND_METHOD(mysqlnd_conn, close) MYSQLND_CLASS_METHODS_END; #include "php_network.h" /* {{{ mysqlnd_stream_array_to_fd_set */ MYSQLND ** mysqlnd_stream_array_check_for_readiness(MYSQLND ** conn_array) { unsigned int cnt = 0; MYSQLND **p = conn_array, **p_p; MYSQLND **ret = NULL; while (*p) { const enum mysqlnd_connection_state conn_state = GET_CONNECTION_STATE(&((*p)->data->state)); if (conn_state <= CONN_READY || conn_state == CONN_QUIT_SENT) { cnt++; } p++; } if (cnt) { MYSQLND **ret_p = ret = ecalloc(cnt + 1, sizeof(MYSQLND *)); p_p = p = conn_array; while (*p) { const enum mysqlnd_connection_state conn_state = GET_CONNECTION_STATE(&((*p)->data->state)); if (conn_state <= CONN_READY || conn_state == CONN_QUIT_SENT) { *ret_p = *p; *p = NULL; ret_p++; } else { *p_p = *p; p_p++; } p++; } *ret_p = NULL; } return ret; } /* }}} */ /* {{{ mysqlnd_stream_array_to_fd_set */ static unsigned int mysqlnd_stream_array_to_fd_set(MYSQLND ** conn_array, fd_set * fds, php_socket_t * max_fd) { php_socket_t this_fd; php_stream *stream = NULL; unsigned int cnt = 0; MYSQLND **p = conn_array; DBG_ENTER("mysqlnd_stream_array_to_fd_set"); while (*p) { /* get the fd. * NB: Most other code will NOT use the PHP_STREAM_CAST_INTERNAL flag * when casting. It is only used here so that the buffered data warning * is not displayed. * */ stream = (*p)->data->vio->data->m.get_stream((*p)->data->vio); DBG_INF_FMT("conn=%llu stream=%p", (*p)->data->thread_id, stream); if (stream != NULL && SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD_FOR_SELECT | PHP_STREAM_CAST_INTERNAL, (void*)&this_fd, 1) && ZEND_VALID_SOCKET(this_fd)) { PHP_SAFE_FD_SET(this_fd, fds); if (this_fd > *max_fd) { *max_fd = this_fd; } ++cnt; } ++p; } DBG_RETURN(cnt ? 1 : 0); } /* }}} */ /* {{{ mysqlnd_stream_array_from_fd_set */ static unsigned int mysqlnd_stream_array_from_fd_set(MYSQLND ** conn_array, fd_set * fds) { php_socket_t this_fd; php_stream *stream = NULL; unsigned int ret = 0; zend_bool disproportion = FALSE; MYSQLND **fwd = conn_array, **bckwd = conn_array; DBG_ENTER("mysqlnd_stream_array_from_fd_set"); while (*fwd) { stream = (*fwd)->data->vio->data->m.get_stream((*fwd)->data->vio); DBG_INF_FMT("conn=%llu stream=%p", (*fwd)->data->thread_id, stream); if (stream != NULL && SUCCESS == php_stream_cast(stream, PHP_STREAM_AS_FD_FOR_SELECT | PHP_STREAM_CAST_INTERNAL, (void*)&this_fd, 1) && ZEND_VALID_SOCKET(this_fd)) { if (PHP_SAFE_FD_ISSET(this_fd, fds)) { if (disproportion) { *bckwd = *fwd; } ++bckwd; ++fwd; ++ret; continue; } } disproportion = TRUE; ++fwd; } *bckwd = NULL;/* NULL-terminate the list */ DBG_RETURN(ret); } /* }}} */ #ifndef PHP_WIN32 #define php_select(m, r, w, e, t) select(m, r, w, e, t) #else #include "win32/select.h" #endif /* {{{ mysqlnd_poll */ PHPAPI enum_func_status mysqlnd_poll(MYSQLND **r_array, MYSQLND **e_array, MYSQLND ***dont_poll, long sec, long usec, int * desc_num) { struct timeval tv; struct timeval *tv_p = NULL; fd_set rfds, wfds, efds; php_socket_t max_fd = 0; int retval, sets = 0; int set_count, max_set_count = 0; DBG_ENTER("_mysqlnd_poll"); if (sec < 0 || usec < 0) { php_error_docref(NULL, E_WARNING, "Negative values passed for sec and/or usec"); DBG_RETURN(FAIL); } FD_ZERO(&rfds); FD_ZERO(&wfds); FD_ZERO(&efds); if (r_array != NULL) { *dont_poll = mysqlnd_stream_array_check_for_readiness(r_array); set_count = mysqlnd_stream_array_to_fd_set(r_array, &rfds, &max_fd); if (set_count > max_set_count) { max_set_count = set_count; } sets += set_count; } if (e_array != NULL) { set_count = mysqlnd_stream_array_to_fd_set(e_array, &efds, &max_fd); if (set_count > max_set_count) { max_set_count = set_count; } sets += set_count; } if (!sets) { php_error_docref(NULL, E_WARNING, *dont_poll ? "All arrays passed are clear":"No stream arrays were passed"); DBG_ERR_FMT(*dont_poll ? "All arrays passed are clear":"No stream arrays were passed"); DBG_RETURN(FAIL); } PHP_SAFE_MAX_FD(max_fd, max_set_count); /* Solaris + BSD do not like microsecond values which are >= 1 sec */ if (usec > 999999) { tv.tv_sec = sec + (usec / 1000000); tv.tv_usec = usec % 1000000; } else { tv.tv_sec = sec; tv.tv_usec = usec; } tv_p = &tv; retval = php_select(max_fd + 1, &rfds, &wfds, &efds, tv_p); if (retval == -1) { php_error_docref(NULL, E_WARNING, "unable to select [%d]: %s (max_fd=%d)", errno, strerror(errno), max_fd); DBG_RETURN(FAIL); } if (r_array != NULL) { mysqlnd_stream_array_from_fd_set(r_array, &rfds); } if (e_array != NULL) { mysqlnd_stream_array_from_fd_set(e_array, &efds); } *desc_num = retval; DBG_RETURN(PASS); } /* }}} */ /* {{{ mysqlnd_connect */ PHPAPI MYSQLND * mysqlnd_connection_connect(MYSQLND * conn_handle, const char * const host, const char * const user, const char * const passwd, unsigned int passwd_len, const char * const db, unsigned int db_len, unsigned int port, const char * const sock_or_pipe, unsigned int mysql_flags, unsigned int client_api_flags ) { enum_func_status ret = FAIL; zend_bool self_alloced = FALSE; MYSQLND_CSTRING hostname = { host, host? strlen(host) : 0 }; MYSQLND_CSTRING username = { user, user? strlen(user) : 0 }; MYSQLND_CSTRING password = { passwd, passwd_len }; MYSQLND_CSTRING database = { db, db_len }; MYSQLND_CSTRING socket_or_pipe = { sock_or_pipe, sock_or_pipe? strlen(sock_or_pipe) : 0 }; DBG_ENTER("mysqlnd_connect"); DBG_INF_FMT("host=%s user=%s db=%s port=%u flags=%u", host? host:"", user? user:"", db? db:"", port, mysql_flags); if (!conn_handle) { self_alloced = TRUE; if (!(conn_handle = mysqlnd_connection_init(client_api_flags, FALSE, NULL))) { /* OOM */ DBG_RETURN(NULL); } } ret = conn_handle->m->connect(conn_handle, hostname, username, password, database, port, socket_or_pipe, mysql_flags); if (ret == FAIL) { if (self_alloced) { /* We have alloced, thus there are no references to this object - we are free to kill it! */ conn_handle->m->dtor(conn_handle); } DBG_RETURN(NULL); } DBG_RETURN(conn_handle); } /* }}} */ /* {{{ mysqlnd_connection_init */ PHPAPI MYSQLND * mysqlnd_connection_init(const size_t client_flags, const zend_bool persistent, MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory) *object_factory) { MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory) *factory = object_factory? object_factory : &MYSQLND_CLASS_METHOD_TABLE_NAME(mysqlnd_object_factory); MYSQLND * ret; DBG_ENTER("mysqlnd_connection_init"); ret = factory->get_connection(factory, persistent); if (ret && ret->data) { ret->data->m->negotiate_client_api_capabilities(ret->data, client_flags); } DBG_RETURN(ret); } /* }}} */