/* {{{ mysqlnd_vio::free_contents */
static void
MYSQLND_METHOD(mysqlnd_vio, free_contents)(MYSQLND_VIO * net)
{
zend_bool pers = net->persistent;
DBG_ENTER("mysqlnd_vio::free_contents");
if (net->data->options.ssl_key) {
mnd_pefree(net->data->options.ssl_key, pers);
net->data->options.ssl_key = NULL;
}
if (net->data->options.ssl_cert) {
mnd_pefree(net->data->options.ssl_cert, pers);
net->data->options.ssl_cert = NULL;
}
if (net->data->options.ssl_ca) {
mnd_pefree(net->data->options.ssl_ca, pers);
net->data->options.ssl_ca = NULL;
}
if (net->data->options.ssl_capath) {
mnd_pefree(net->data->options.ssl_capath, pers);
net->data->options.ssl_capath = NULL;
}
if (net->data->options.ssl_cipher) {
mnd_pefree(net->data->options.ssl_cipher, pers);
net->data->options.ssl_cipher = NULL;
}
DBG_VOID_RETURN;
}
/* {{{ mysqlnd_object_factory::get_io_channel */
PHPAPI MYSQLND_NET *
MYSQLND_METHOD(mysqlnd_object_factory, get_io_channel)(zend_bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info)
{
size_t net_alloc_size = sizeof(MYSQLND_NET) + mysqlnd_plugin_count() * sizeof(void *);
size_t net_data_alloc_size = sizeof(MYSQLND_NET_DATA) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_NET * net = mnd_pecalloc(1, net_alloc_size, persistent);
MYSQLND_NET_DATA * net_data = mnd_pecalloc(1, net_data_alloc_size, persistent);
DBG_ENTER("mysqlnd_object_factory::get_io_channel");
DBG_INF_FMT("persistent=%u", persistent);
if (net && net_data) {
net->data = net_data;
net->persistent = net->data->persistent = persistent;
net->data->m = *mysqlnd_net_get_methods();
if (PASS != net->data->m.init(net, stats, error_info)) {
net->data->m.dtor(net, stats, error_info);
net = NULL;
}
} else {
if (net_data) {
mnd_pefree(net_data, persistent);
net_data = NULL;
}
if (net) {
mnd_pefree(net, persistent);
net = NULL;
}
}
DBG_RETURN(net);
}
/* {{{ mysqlnd_res_meta::free */
static void
MYSQLND_METHOD(mysqlnd_res_meta, free)(MYSQLND_RES_METADATA * meta)
{
int i;
MYSQLND_FIELD *fields;
DBG_ENTER("mysqlnd_res_meta::free");
DBG_INF_FMT("persistent=%u", meta->persistent);
if ((fields = meta->fields)) {
DBG_INF("Freeing fields metadata");
i = meta->field_count;
while (i--) {
php_mysqlnd_free_field_metadata(fields++, meta->persistent);
}
mnd_pefree(meta->fields, meta->persistent);
meta->fields = NULL;
}
if (meta->zend_hash_keys) {
DBG_INF("Freeing zend_hash_keys");
mnd_pefree(meta->zend_hash_keys, meta->persistent);
meta->zend_hash_keys = NULL;
}
DBG_INF("Freeing metadata structure");
mnd_pefree(meta, meta->persistent);
DBG_VOID_RETURN;
}
/* {{{ mysqlnd_vio::dtor */
static void
MYSQLND_METHOD(mysqlnd_vio, dtor)(MYSQLND_VIO * const vio, MYSQLND_STATS * const stats, MYSQLND_ERROR_INFO * const error_info)
{
DBG_ENTER("mysqlnd_vio::dtor");
if (vio) {
vio->data->m.free_contents(vio);
vio->data->m.close_stream(vio, stats, error_info);
mnd_pefree(vio->data, vio->data->persistent);
mnd_pefree(vio, vio->persistent);
}
DBG_VOID_RETURN;
}
/* {{{ php_mysqlnd_free_field_metadata */
static void
php_mysqlnd_free_field_metadata(MYSQLND_FIELD *meta, zend_bool persistent TSRMLS_DC)
{
if (meta) {
if (meta->root) {
mnd_pefree(meta->root, persistent);
meta->root = NULL;
}
if (meta->def) {
mnd_pefree(meta->def, persistent);
meta->def = NULL;
}
}
}
/* {{{ php_mysqlnd_free_field_metadata */
static void
php_mysqlnd_free_field_metadata(MYSQLND_FIELD *meta, zend_bool persistent)
{
if (meta) {
if (meta->root) {
mnd_pefree(meta->root, persistent);
meta->root = NULL;
}
if (meta->def) {
mnd_pefree(meta->def, persistent);
meta->def = NULL;
}
if (meta->sname) {
zend_string_release(meta->sname);
}
}
}
/* {{{ mysqlnd_net::dtor */
static void
MYSQLND_METHOD(mysqlnd_net, dtor)(MYSQLND_NET * const net, MYSQLND_STATS * const stats, MYSQLND_ERROR_INFO * const error_info)
{
DBG_ENTER("mysqlnd_net::dtor");
if (net) {
net->data->m.free_contents(net);
net->data->m.close_stream(net, stats, error_info);
if (net->cmd_buffer.buffer) {
DBG_INF("Freeing cmd buffer");
mnd_pefree(net->cmd_buffer.buffer, net->persistent);
net->cmd_buffer.buffer = NULL;
}
mnd_pefree(net->data, net->data->persistent);
mnd_pefree(net, net->persistent);
}
DBG_VOID_RETURN;
}
/* {{{ 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_res_meta::read_metadata */
static enum_func_status
MYSQLND_METHOD(mysqlnd_res_meta, read_metadata)(MYSQLND_RES_METADATA * const meta, MYSQLND_CONN_DATA * conn)
{
unsigned int i = 0;
MYSQLND_PACKET_RES_FIELD * field_packet;
DBG_ENTER("mysqlnd_res_meta::read_metadata");
field_packet = conn->payload_decoder_factory->m.get_result_field_packet(conn->payload_decoder_factory, FALSE);
if (!field_packet) {
SET_OOM_ERROR(conn->error_info);
DBG_RETURN(FAIL);
}
field_packet->persistent_alloc = meta->persistent;
for (;i < meta->field_count; i++) {
zend_ulong idx;
if (meta->fields[i].root) {
/* We re-read metadata for PS */
mnd_pefree(meta->fields[i].root, meta->persistent);
meta->fields[i].root = NULL;
}
field_packet->metadata = &(meta->fields[i]);
if (FAIL == PACKET_READ(field_packet)) {
PACKET_FREE(field_packet);
DBG_RETURN(FAIL);
}
if (field_packet->error_info.error_no) {
COPY_CLIENT_ERROR(conn->error_info, field_packet->error_info);
/* Return back from CONN_QUERY_SENT */
PACKET_FREE(field_packet);
DBG_RETURN(FAIL);
}
if (mysqlnd_ps_fetch_functions[meta->fields[i].type].func == NULL) {
DBG_ERR_FMT("Unknown type %u sent by the server. Please send a report to the developers", meta->fields[i].type);
php_error_docref(NULL, E_WARNING, "Unknown type %u sent by the server. Please send a report to the developers", meta->fields[i].type);
PACKET_FREE(field_packet);
DBG_RETURN(FAIL);
}
/* For BC we have to check whether the key is numeric and use it like this */
if ((meta->zend_hash_keys[i].is_numeric = ZEND_HANDLE_NUMERIC(field_packet->metadata->sname, idx))) {
meta->zend_hash_keys[i].key = idx;
}
}
PACKET_FREE(field_packet);
DBG_RETURN(PASS);
}
/* {{{ mysqlnd_object_factory::get_connection */
static MYSQLND *
MYSQLND_METHOD(mysqlnd_object_factory, get_connection)(zend_bool persistent TSRMLS_DC)
{
size_t alloc_size_ret = sizeof(MYSQLND) + mysqlnd_plugin_count() * sizeof(void *);
size_t alloc_size_ret_data = sizeof(MYSQLND_CONN_DATA) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND * new_object;
MYSQLND_CONN_DATA * data;
DBG_ENTER("mysqlnd_driver::get_connection");
DBG_INF_FMT("persistent=%u", persistent);
new_object = mnd_pecalloc(1, alloc_size_ret, persistent);
if (!new_object) {
DBG_RETURN(NULL);
}
new_object->data = mnd_pecalloc(1, alloc_size_ret_data, persistent);
if (!new_object->data) {
mnd_pefree(new_object, persistent);
DBG_RETURN(NULL);
}
new_object->persistent = persistent;
new_object->m = mysqlnd_conn_get_methods();
data = new_object->data;
data->error_info = &(data->error_info_impl);
data->options = &(data->options_impl);
data->upsert_status = &(data->upsert_status_impl);
data->persistent = persistent;
data->m = mysqlnd_conn_data_get_methods();
CONN_SET_STATE(data, CONN_ALLOCED);
data->m->get_reference(data TSRMLS_CC);
if (PASS != data->m->init(data TSRMLS_CC)) {
new_object->m->dtor(new_object TSRMLS_CC);
DBG_RETURN(NULL);
}
data->error_info->error_list = mnd_pecalloc(1, sizeof(zend_llist), persistent);
if (!data->error_info->error_list) {
new_object->m->dtor(new_object TSRMLS_CC);
DBG_RETURN(NULL);
} else {
zend_llist_init(data->error_info->error_list, sizeof(MYSQLND_ERROR_LIST_ELEMENT), (llist_dtor_func_t)mysqlnd_error_list_pdtor, persistent);
}
DBG_RETURN(new_object);
}
/* {{{ mysqlnd_com_init_db_run */
static enum_func_status
mysqlnd_com_init_db_run(void *cmd)
{
struct st_mysqlnd_protocol_com_init_db_command * command = (struct st_mysqlnd_protocol_com_init_db_command *) cmd;
enum_func_status ret = FAIL;
MYSQLND_CONN_DATA * conn = command->context.conn;
const MYSQLND_CSTRING db = command->context.db;
func_mysqlnd_protocol_payload_decoder_factory__send_command send_command = conn->payload_decoder_factory->m.send_command;
func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_response send_command_handle_response = conn->payload_decoder_factory->m.send_command_handle_response;
DBG_ENTER("mysqlnd_com_init_db_run");
ret = send_command(conn->payload_decoder_factory, COM_INIT_DB, (zend_uchar*) command->context.db.s, command->context.db.l, FALSE,
&conn->state,
conn->error_info,
conn->upsert_status,
conn->stats,
conn->m->send_close,
conn);
if (PASS == ret) {
ret = send_command_handle_response(conn->payload_decoder_factory, PROT_OK_PACKET, FALSE, COM_INIT_DB, TRUE,
conn->error_info, conn->upsert_status, &conn->last_message, conn->persistent);
}
/*
The server sends 0 but libmysql doesn't read it and has established
a protocol of giving back -1. Thus we have to follow it :(
*/
UPSERT_STATUS_SET_AFFECTED_ROWS_TO_ERROR(conn->upsert_status);
if (ret == PASS) {
if (conn->connect_or_select_db.s) {
mnd_pefree(conn->connect_or_select_db.s, conn->persistent);
}
conn->connect_or_select_db.s = mnd_pestrndup(db.s, db.l, conn->persistent);
conn->connect_or_select_db.l = db.l;
if (!conn->connect_or_select_db.s) {
/* OOM */
SET_OOM_ERROR(conn->error_info);
ret = FAIL;
}
}
DBG_RETURN(ret);
}
/* {{{ mysqlnd_net::free_contents */
static void
MYSQLND_METHOD(mysqlnd_net, free_contents)(MYSQLND_NET * net)
{
zend_bool pers = net->persistent;
DBG_ENTER("mysqlnd_net::free_contents");
#ifdef MYSQLND_COMPRESSION_ENABLED
if (net->uncompressed_data) {
net->uncompressed_data->free_buffer(&net->uncompressed_data);
}
#endif
if (net->data->options.ssl_key) {
mnd_pefree(net->data->options.ssl_key, pers);
net->data->options.ssl_key = NULL;
}
if (net->data->options.ssl_cert) {
mnd_pefree(net->data->options.ssl_cert, pers);
net->data->options.ssl_cert = NULL;
}
if (net->data->options.ssl_ca) {
mnd_pefree(net->data->options.ssl_ca, pers);
net->data->options.ssl_ca = NULL;
}
if (net->data->options.ssl_capath) {
mnd_pefree(net->data->options.ssl_capath, pers);
net->data->options.ssl_capath = NULL;
}
if (net->data->options.ssl_cipher) {
mnd_pefree(net->data->options.ssl_cipher, pers);
net->data->options.ssl_cipher = NULL;
}
if (net->data->options.sha256_server_public_key) {
mnd_pefree(net->data->options.sha256_server_public_key, pers);
net->data->options.sha256_server_public_key = NULL;
}
DBG_VOID_RETURN;
}
/* {{{ mysqlnd_vio::set_client_option */
static enum_func_status
MYSQLND_METHOD(mysqlnd_vio, set_client_option)(MYSQLND_VIO * const net, enum_mysqlnd_client_option option, const char * const value)
{
DBG_ENTER("mysqlnd_vio::set_client_option");
DBG_INF_FMT("option=%u", option);
switch (option) {
case MYSQLND_OPT_NET_CMD_BUFFER_SIZE:
DBG_INF("MYSQLND_OPT_NET_CMD_BUFFER_SIZE");
if (*(unsigned int*) value < MYSQLND_NET_CMD_BUFFER_MIN_SIZE) {
DBG_RETURN(FAIL);
}
net->cmd_buffer.length = *(unsigned int*) value;
DBG_INF_FMT("new_length="MYSQLND_SZ_T_SPEC, net->cmd_buffer.length);
if (!net->cmd_buffer.buffer) {
net->cmd_buffer.buffer = mnd_pemalloc(net->cmd_buffer.length, net->persistent);
} else {
net->cmd_buffer.buffer = mnd_perealloc(net->cmd_buffer.buffer, net->cmd_buffer.length, net->persistent);
}
break;
case MYSQLND_OPT_NET_READ_BUFFER_SIZE:
DBG_INF("MYSQLND_OPT_NET_READ_BUFFER_SIZE");
net->data->options.net_read_buffer_size = *(unsigned int*) value;
DBG_INF_FMT("new_length="MYSQLND_SZ_T_SPEC, net->data->options.net_read_buffer_size);
break;
case MYSQL_OPT_CONNECT_TIMEOUT:
DBG_INF("MYSQL_OPT_CONNECT_TIMEOUT");
net->data->options.timeout_connect = *(unsigned int*) value;
break;
case MYSQLND_OPT_SSL_KEY:
{
zend_bool pers = net->persistent;
if (net->data->options.ssl_key) {
mnd_pefree(net->data->options.ssl_key, pers);
}
net->data->options.ssl_key = value? mnd_pestrdup(value, pers) : NULL;
break;
}
case MYSQLND_OPT_SSL_CERT:
{
zend_bool pers = net->persistent;
if (net->data->options.ssl_cert) {
mnd_pefree(net->data->options.ssl_cert, pers);
}
net->data->options.ssl_cert = value? mnd_pestrdup(value, pers) : NULL;
break;
}
case MYSQLND_OPT_SSL_CA:
{
zend_bool pers = net->persistent;
if (net->data->options.ssl_ca) {
mnd_pefree(net->data->options.ssl_ca, pers);
}
net->data->options.ssl_ca = value? mnd_pestrdup(value, pers) : NULL;
break;
}
case MYSQLND_OPT_SSL_CAPATH:
{
zend_bool pers = net->persistent;
if (net->data->options.ssl_capath) {
mnd_pefree(net->data->options.ssl_capath, pers);
}
net->data->options.ssl_capath = value? mnd_pestrdup(value, pers) : NULL;
break;
}
case MYSQLND_OPT_SSL_CIPHER:
{
zend_bool pers = net->persistent;
if (net->data->options.ssl_cipher) {
mnd_pefree(net->data->options.ssl_cipher, pers);
}
net->data->options.ssl_cipher = value? mnd_pestrdup(value, pers) : NULL;
break;
}
case MYSQLND_OPT_SSL_PASSPHRASE:
{
zend_bool pers = net->persistent;
if (net->data->options.ssl_passphrase) {
mnd_pefree(net->data->options.ssl_passphrase, pers);
}
net->data->options.ssl_passphrase = value? mnd_pestrdup(value, pers) : NULL;
break;
}
case MYSQL_OPT_SSL_VERIFY_SERVER_CERT:
{
enum mysqlnd_ssl_peer val = *((enum mysqlnd_ssl_peer *)value);
switch (val) {
case MYSQLND_SSL_PEER_VERIFY:
DBG_INF("MYSQLND_SSL_PEER_VERIFY");
break;
case MYSQLND_SSL_PEER_DONT_VERIFY:
DBG_INF("MYSQLND_SSL_PEER_DONT_VERIFY");
break;
case MYSQLND_SSL_PEER_DEFAULT:
DBG_INF("MYSQLND_SSL_PEER_DEFAULT");
val = MYSQLND_SSL_PEER_DEFAULT;
break;
default:
DBG_INF("default = MYSQLND_SSL_PEER_DEFAULT_ACTION");
val = MYSQLND_SSL_PEER_DEFAULT;
break;
}
net->data->options.ssl_verify_peer = val;
break;
}
case MYSQL_OPT_READ_TIMEOUT:
net->data->options.timeout_read = *(unsigned int*) value;
break;
#ifdef WHEN_SUPPORTED_BY_MYSQLI
case MYSQL_OPT_WRITE_TIMEOUT:
net->data->options.timeout_write = *(unsigned int*) value;
break;
#endif
default:
DBG_RETURN(FAIL);
}
DBG_RETURN(PASS);
}
/* {{{ mysqlnd_auth_change_user */
enum_func_status
mysqlnd_auth_change_user(MYSQLND_CONN_DATA * const conn,
const char * const user,
const size_t user_len,
const char * const passwd,
const size_t passwd_len,
const char * const db,
const size_t db_len,
const zend_bool silent,
zend_bool use_full_blown_auth_packet,
const char * const auth_protocol,
zend_uchar * auth_plugin_data,
size_t auth_plugin_data_len,
char ** switch_to_auth_protocol,
size_t * switch_to_auth_protocol_len,
zend_uchar ** switch_to_auth_protocol_data,
size_t * switch_to_auth_protocol_data_len
)
{
enum_func_status ret = FAIL;
const MYSQLND_CHARSET * old_cs = conn->charset;
MYSQLND_PACKET_CHANGE_AUTH_RESPONSE * change_auth_resp_packet = NULL;
MYSQLND_PACKET_CHG_USER_RESPONSE * chg_user_resp = NULL;
MYSQLND_PACKET_AUTH * auth_packet = NULL;
DBG_ENTER("mysqlnd_auth_change_user");
chg_user_resp = conn->protocol->m.get_change_user_response_packet(conn->protocol, FALSE);
if (!chg_user_resp) {
SET_OOM_ERROR(*conn->error_info);
goto end;
}
if (use_full_blown_auth_packet != TRUE) {
change_auth_resp_packet = conn->protocol->m.get_change_auth_response_packet(conn->protocol, FALSE);
if (!change_auth_resp_packet) {
SET_OOM_ERROR(*conn->error_info);
goto end;
}
change_auth_resp_packet->auth_data = auth_plugin_data;
change_auth_resp_packet->auth_data_len = auth_plugin_data_len;
if (!PACKET_WRITE(change_auth_resp_packet, conn)) {
CONN_SET_STATE(conn, CONN_QUIT_SENT);
SET_CLIENT_ERROR(*conn->error_info, CR_SERVER_GONE_ERROR, UNKNOWN_SQLSTATE, mysqlnd_server_gone);
goto end;
}
} else {
auth_packet = conn->protocol->m.get_auth_packet(conn->protocol, FALSE);
if (!auth_packet) {
SET_OOM_ERROR(*conn->error_info);
goto end;
}
auth_packet->is_change_user_packet = TRUE;
auth_packet->user = user;
auth_packet->db = db;
auth_packet->db_len = db_len;
auth_packet->silent = silent;
auth_packet->auth_data = auth_plugin_data;
auth_packet->auth_data_len = auth_plugin_data_len;
auth_packet->auth_plugin_name = auth_protocol;
if (conn->m->get_server_version(conn) >= 50123) {
auth_packet->charset_no = conn->charset->nr;
}
if (!PACKET_WRITE(auth_packet, conn)) {
CONN_SET_STATE(conn, CONN_QUIT_SENT);
SET_CLIENT_ERROR(*conn->error_info, CR_SERVER_GONE_ERROR, UNKNOWN_SQLSTATE, mysqlnd_server_gone);
goto end;
}
}
ret = PACKET_READ(chg_user_resp, conn);
COPY_CLIENT_ERROR(*conn->error_info, chg_user_resp->error_info);
if (0xFE == chg_user_resp->response_code) {
ret = FAIL;
if (!chg_user_resp->new_auth_protocol) {
DBG_ERR(mysqlnd_old_passwd);
SET_CLIENT_ERROR(*conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, mysqlnd_old_passwd);
} else {
*switch_to_auth_protocol = mnd_pestrndup(chg_user_resp->new_auth_protocol, chg_user_resp->new_auth_protocol_len, FALSE);
*switch_to_auth_protocol_len = chg_user_resp->new_auth_protocol_len;
if (chg_user_resp->new_auth_protocol_data) {
*switch_to_auth_protocol_data_len = chg_user_resp->new_auth_protocol_data_len;
*switch_to_auth_protocol_data = mnd_emalloc(*switch_to_auth_protocol_data_len);
memcpy(*switch_to_auth_protocol_data, chg_user_resp->new_auth_protocol_data, *switch_to_auth_protocol_data_len);
} else {
*switch_to_auth_protocol_data = NULL;
*switch_to_auth_protocol_data_len = 0;
}
}
}
if (conn->error_info->error_no) {
ret = FAIL;
/*
COM_CHANGE_USER is broken in 5.1. At least in 5.1.15 and 5.1.14, 5.1.11 is immune.
bug#25371 mysql_change_user() triggers "packets out of sync"
When it gets fixed, there should be one more check here
*/
if (conn->m->get_server_version(conn) > 50113L &&conn->m->get_server_version(conn) < 50118L) {
MYSQLND_PACKET_OK * redundant_error_packet = conn->protocol->m.get_ok_packet(conn->protocol, FALSE);
if (redundant_error_packet) {
PACKET_READ(redundant_error_packet, conn);
PACKET_FREE(redundant_error_packet);
DBG_INF_FMT("Server is %u, buggy, sends two ERR messages", conn->m->get_server_version(conn));
} else {
SET_OOM_ERROR(*conn->error_info);
}
}
}
if (ret == PASS) {
char * tmp = NULL;
/* if we get conn->user as parameter and then we first free it, then estrndup it, we will crash */
tmp = mnd_pestrndup(user, user_len, conn->persistent);
if (conn->user) {
mnd_pefree(conn->user, conn->persistent);
}
conn->user = tmp;
tmp = mnd_pestrdup(passwd, conn->persistent);
if (conn->passwd) {
mnd_pefree(conn->passwd, conn->persistent);
}
conn->passwd = tmp;
if (conn->last_message) {
mnd_pefree(conn->last_message, conn->persistent);
conn->last_message = NULL;
}
memset(conn->upsert_status, 0, sizeof(*conn->upsert_status));
/* set charset for old servers */
if (conn->m->get_server_version(conn) < 50123) {
ret = conn->m->set_charset(conn, old_cs->name);
}
} else if (ret == FAIL && chg_user_resp->server_asked_323_auth == TRUE) {
/* old authentication with new server !*/
DBG_ERR(mysqlnd_old_passwd);
SET_CLIENT_ERROR(*conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, mysqlnd_old_passwd);
}
end:
PACKET_FREE(change_auth_resp_packet);
PACKET_FREE(auth_packet);
PACKET_FREE(chg_user_resp);
DBG_RETURN(ret);
}
/* {{{ mysqlnd_run_authentication */
enum_func_status
mysqlnd_run_authentication(
MYSQLND_CONN_DATA * conn,
const char * const user,
const char * const passwd,
const size_t passwd_len,
const char * const db,
const size_t db_len,
const MYSQLND_STRING auth_plugin_data,
const char * const auth_protocol,
unsigned int charset_no,
const MYSQLND_SESSION_OPTIONS * const session_options,
zend_ulong mysql_flags,
zend_bool silent,
zend_bool is_change_user
)
{
enum_func_status ret = FAIL;
zend_bool first_call = TRUE;
char * switch_to_auth_protocol = NULL;
size_t switch_to_auth_protocol_len = 0;
char * requested_protocol = NULL;
zend_uchar * plugin_data;
size_t plugin_data_len;
DBG_ENTER("mysqlnd_run_authentication");
plugin_data_len = auth_plugin_data.l;
plugin_data = mnd_emalloc(plugin_data_len + 1);
if (!plugin_data) {
goto end;
}
memcpy(plugin_data, auth_plugin_data.s, plugin_data_len);
plugin_data[plugin_data_len] = '\0';
requested_protocol = mnd_pestrdup(auth_protocol? auth_protocol : MYSQLND_DEFAULT_AUTH_PROTOCOL, FALSE);
if (!requested_protocol) {
goto end;
}
do {
struct st_mysqlnd_authentication_plugin * auth_plugin = conn->m->fetch_auth_plugin_by_name(requested_protocol);
if (!auth_plugin) {
php_error_docref(NULL, E_WARNING, "The server requested authentication method unknown to the client [%s]", requested_protocol);
SET_CLIENT_ERROR(conn->error_info, CR_NOT_IMPLEMENTED, UNKNOWN_SQLSTATE, "The server requested authentication method unknown to the client");
goto end;
}
DBG_INF("plugin found");
{
zend_uchar * switch_to_auth_protocol_data = NULL;
size_t switch_to_auth_protocol_data_len = 0;
zend_uchar * scrambled_data = NULL;
size_t scrambled_data_len = 0;
switch_to_auth_protocol = NULL;
switch_to_auth_protocol_len = 0;
if (conn->authentication_plugin_data.s) {
mnd_pefree(conn->authentication_plugin_data.s, conn->persistent);
conn->authentication_plugin_data.s = NULL;
}
conn->authentication_plugin_data.l = plugin_data_len;
conn->authentication_plugin_data.s = mnd_pemalloc(conn->authentication_plugin_data.l, conn->persistent);
if (!conn->authentication_plugin_data.s) {
SET_OOM_ERROR(conn->error_info);
goto end;
}
memcpy(conn->authentication_plugin_data.s, plugin_data, plugin_data_len);
DBG_INF_FMT("salt(%d)=[%.*s]", plugin_data_len, plugin_data_len, plugin_data);
/* The data should be allocated with malloc() */
scrambled_data =
auth_plugin->methods.get_auth_data(NULL, &scrambled_data_len, conn, user, passwd, passwd_len,
plugin_data, plugin_data_len, session_options,
conn->protocol_frame_codec->data, mysql_flags);
if (conn->error_info->error_no) {
goto end;
}
if (FALSE == is_change_user) {
ret = mysqlnd_auth_handshake(conn, user, passwd, passwd_len, db, db_len, session_options, mysql_flags,
charset_no,
first_call,
requested_protocol,
scrambled_data, scrambled_data_len,
&switch_to_auth_protocol, &switch_to_auth_protocol_len,
&switch_to_auth_protocol_data, &switch_to_auth_protocol_data_len
);
} else {
ret = mysqlnd_auth_change_user(conn, user, strlen(user), passwd, passwd_len, db, db_len, silent,
first_call,
requested_protocol,
scrambled_data, scrambled_data_len,
&switch_to_auth_protocol, &switch_to_auth_protocol_len,
&switch_to_auth_protocol_data, &switch_to_auth_protocol_data_len
);
}
first_call = FALSE;
free(scrambled_data);
DBG_INF_FMT("switch_to_auth_protocol=%s", switch_to_auth_protocol? switch_to_auth_protocol:"n/a");
if (requested_protocol && switch_to_auth_protocol) {
mnd_efree(requested_protocol);
requested_protocol = switch_to_auth_protocol;
}
if (plugin_data) {
mnd_efree(plugin_data);
}
plugin_data_len = switch_to_auth_protocol_data_len;
plugin_data = switch_to_auth_protocol_data;
}
DBG_INF_FMT("conn->error_info->error_no = %d", conn->error_info->error_no);
} while (ret == FAIL && conn->error_info->error_no == 0 && switch_to_auth_protocol != NULL);
if (ret == PASS) {
DBG_INF_FMT("saving requested_protocol=%s", requested_protocol);
conn->m->set_client_option(conn, MYSQLND_OPT_AUTH_PROTOCOL, requested_protocol);
}
end:
if (plugin_data) {
mnd_efree(plugin_data);
}
if (requested_protocol) {
mnd_efree(requested_protocol);
}
DBG_RETURN(ret);
}
/* {{{ mysqlnd_res_meta::read_metadata */
static enum_func_status
MYSQLND_METHOD(mysqlnd_res_meta, read_metadata)(MYSQLND_RES_METADATA * const meta, MYSQLND_CONN_DATA * conn)
{
unsigned int i = 0;
MYSQLND_PACKET_RES_FIELD * field_packet;
DBG_ENTER("mysqlnd_res_meta::read_metadata");
field_packet = conn->payload_decoder_factory->m.get_result_field_packet(conn->payload_decoder_factory, FALSE);
if (!field_packet) {
SET_OOM_ERROR(conn->error_info);
DBG_RETURN(FAIL);
}
field_packet->persistent_alloc = meta->persistent;
for (;i < meta->field_count; i++) {
zend_ulong idx;
if (meta->fields[i].root) {
/* We re-read metadata for PS */
mnd_pefree(meta->fields[i].root, meta->persistent);
meta->fields[i].root = NULL;
}
field_packet->metadata = &(meta->fields[i]);
if (FAIL == PACKET_READ(field_packet)) {
PACKET_FREE(field_packet);
DBG_RETURN(FAIL);
}
if (field_packet->error_info.error_no) {
COPY_CLIENT_ERROR(conn->error_info, field_packet->error_info);
/* Return back from CONN_QUERY_SENT */
PACKET_FREE(field_packet);
DBG_RETURN(FAIL);
}
if (mysqlnd_ps_fetch_functions[meta->fields[i].type].func == NULL) {
DBG_ERR_FMT("Unknown type %u sent by the server. Please send a report to the developers", meta->fields[i].type);
php_error_docref(NULL, E_WARNING, "Unknown type %u sent by the server. Please send a report to the developers", meta->fields[i].type);
PACKET_FREE(field_packet);
DBG_RETURN(FAIL);
}
if (meta->fields[i].type == MYSQL_TYPE_BIT) {
size_t field_len;
DBG_INF("BIT");
++meta->bit_fields_count;
/* .length is in bits */
field_len = meta->fields[i].length / 8;
/*
If there is rest, add one byte :
8 bits = 1 byte but 9 bits = 2 bytes
*/
if (meta->fields[i].length % 8) {
++field_len;
}
switch (field_len) {
case 8:
case 7:
case 6:
case 5:
meta->bit_fields_total_len += 20;/* 21 digis, no sign*/
break;
case 4:
meta->bit_fields_total_len += 10;/* 2 000 000 000*/
break;
case 3:
meta->bit_fields_total_len += 8;/* 12 000 000*/
break;
case 2:
meta->bit_fields_total_len += 5;/* 32 500 */
break;
case 1:
meta->bit_fields_total_len += 3;/* 120 */
break;
}
}
/* For BC we have to check whether the key is numeric and use it like this */
if ((meta->zend_hash_keys[i].is_numeric = ZEND_HANDLE_NUMERIC(field_packet->metadata->sname, idx))) {
meta->zend_hash_keys[i].key = idx;
}
}
PACKET_FREE(field_packet);
DBG_RETURN(PASS);
}
