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mysqlnd.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2015 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andrey Hristov <[email protected]> |
| Ulf Wendel <[email protected]> |
| Georg Richter <[email protected]> |
+----------------------------------------------------------------------+
*/
#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));
if (info->error_list) {
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) {
info->error_no = err_no;
strlcpy(info->sqlstate, sqlstate, sizeof(info->sqlstate));
strlcpy(info->error, error, sizeof(info->error));
if (info->error_list) {
MYSQLND_ERROR_LIST_ELEMENT error_for_the_list = {0};
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 */
enum_func_status
mysqlnd_error_info_init(MYSQLND_ERROR_INFO * const info, zend_bool persistent)
{
DBG_ENTER("mysqlnd_error_info_init")
info->m = mysqlnd_error_info_get_methods();
info->m->reset(info);
info->error_list = mnd_pecalloc(1, sizeof(zend_llist), persistent);
if (info->error_list) {
zend_llist_init(info->error_list, sizeof(MYSQLND_ERROR_LIST_ELEMENT), (llist_dtor_func_t) mysqlnd_error_list_pdtor, persistent);
}
DBG_RETURN(info->error_list? PASS:FAIL);
}
/* }}} */
/* {{{ 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_upsert_status_init */
void
mysqlnd_connection_state_init(struct st_mysqlnd_connection_state * const state)
{
DBG_ENTER("mysqlnd_error_info_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_pefree(conn->last_message.s, pers);
conn->last_message.s = NULL;
}
if (conn->error_info->error_list) {
zend_llist_clean(conn->error_info->error_list);
mnd_pefree(conn->error_info->error_list, pers);
conn->error_info->error_list = 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->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)) {
struct st_mysqlnd_protocol_command * command = conn->command_factory(COM_SET_OPTION, conn, option);
if (command) {
ret = command->run(command);
command->free_command(command);
}
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);
/* Free here what should not be seen by the next script */
if (conn->last_message.s) {
mnd_pefree(conn->last_message.s, conn->persistent);
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");
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;
}
if (conn->last_query_type == QUERY_SELECT) {
MYSQLND_RES * result = conn->m->use_result(conn, 0);
if (result) {
result->m.free_result(result, TRUE);
}
}
}
}
}
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)
{
MYSQLND_PFC * pfc = conn->protocol_frame_codec;
MYSQLND_VIO * vio = conn->vio;
DBG_ENTER("mysqlnd_conn_data::get_updated_connect_flags");
/* we allow load data local infile by default */
mysql_flags |= MYSQLND_CAPABILITIES;
mysql_flags |= conn->options->flags; /* use the flags from set_client_option() */
if (PG(open_basedir) && strlen(PG(open_basedir))) {
mysql_flags ^= CLIENT_LOCAL_FILES;
}
#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
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;
struct st_mysqlnd_protocol_command * command = conn->command_factory(COM_HANDSHAKE, conn, username, password, database, client_flags);
if (command) {
ret = command->run(command);
command->free_command(command);
}
}
DBG_RETURN(ret);
}
/* }}} */
/* {{{ mysqlnd_conn_data::connect */
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? 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) {
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);
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);
}
conn->max_packet_size = MYSQLND_ASSEMBLED_PACKET_MAX_SIZE;
/* todo: check if charset is available */
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? conn->error_info->error:"Unknown 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");
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_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_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};
struct st_mysqlnd_protocol_command * command = conn->command_factory(COM_QUERY, conn, query_string);
if (command) {
ret = command->run(command);
command->free_command(command);
}
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))
{
struct st_mysqlnd_protocol_command * command = conn->command_factory(COM_REAP_RESULT, conn);
if (command) {
ret = command->run(command);
command->free_command(command);
}
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);
}
/* }}} */
#include "php_network.h"
/* {{{ mysqlnd_stream_array_to_fd_set */
MYSQLND ** mysqlnd_stream_array_check_for_readiness(MYSQLND ** conn_array)
{
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;
}