--- /dev/null
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_auth.c php-7.2.8.rev/ext/mysqlnd/mysqlnd_auth.c
+--- php-7.2.8/ext/mysqlnd/mysqlnd_auth.c 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_auth.c 2018-07-22 00:12:44.558404079 +0000
+@@ -89,7 +89,6 @@ mysqlnd_run_authentication(
+ }
+ }
+
+-
+ {
+ zend_uchar * switch_to_auth_protocol_data = NULL;
+ size_t switch_to_auth_protocol_data_len = 0;
+@@ -114,11 +113,10 @@ mysqlnd_run_authentication(
+ DBG_INF_FMT("salt(%d)=[%.*s]", plugin_data_len, plugin_data_len, plugin_data);
+ /* The data should be allocated with malloc() */
+ if (auth_plugin) {
+- 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);
++ 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) {
+@@ -129,7 +127,6 @@ mysqlnd_run_authentication(
+ charset_no,
+ first_call,
+ requested_protocol,
+- auth_plugin, plugin_data, plugin_data_len,
+ 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
+@@ -251,9 +248,6 @@ mysqlnd_auth_handshake(MYSQLND_CONN_DATA
+ unsigned int server_charset_no,
+ zend_bool use_full_blown_auth_packet,
+ const char * const auth_protocol,
+- struct st_mysqlnd_authentication_plugin * auth_plugin,
+- const zend_uchar * const orig_auth_plugin_data,
+- const size_t orig_auth_plugin_data_len,
+ const zend_uchar * const auth_plugin_data,
+ const size_t auth_plugin_data_len,
+ char ** switch_to_auth_protocol,
+@@ -324,11 +318,6 @@ mysqlnd_auth_handshake(MYSQLND_CONN_DATA
+ conn->charset = mysqlnd_find_charset_nr(auth_packet->charset_no);
+ }
+
+- if (auth_plugin && auth_plugin->methods.handle_server_response) {
+- auth_plugin->methods.handle_server_response(auth_plugin, conn,
+- orig_auth_plugin_data, orig_auth_plugin_data_len, passwd, passwd_len);
+- }
+-
+ if (FAIL == PACKET_READ(auth_resp_packet) || auth_resp_packet->response_code >= 0xFE) {
+ if (auth_resp_packet->response_code == 0xFE) {
+ /* old authentication with new server !*/
+@@ -624,8 +613,7 @@ static struct st_mysqlnd_authentication_
+ }
+ },
+ {/* methods */
+- mysqlnd_native_auth_get_auth_data,
+- NULL
++ mysqlnd_native_auth_get_auth_data
+ }
+ };
+
+@@ -674,8 +662,7 @@ static struct st_mysqlnd_authentication_
+ }
+ },
+ {/* methods */
+- mysqlnd_pam_auth_get_auth_data,
+- NULL
++ mysqlnd_pam_auth_get_auth_data
+ }
+ };
+
+@@ -859,283 +846,17 @@ static struct st_mysqlnd_authentication_
+ }
+ },
+ {/* methods */
+- mysqlnd_sha256_auth_get_auth_data,
+- NULL
++ mysqlnd_sha256_auth_get_auth_data
+ }
+ };
+ #endif
+
+-/*************************************** CACHING SHA2 Password *******************************/
+-
+-#undef L64
+-
+-#include "ext/hash/php_hash.h"
+-#include "ext/hash/php_hash_sha.h"
+-
+-#define SHA256_LENGTH 32
+-
+-/* {{{ php_mysqlnd_scramble_sha2 */
+-void php_mysqlnd_scramble_sha2(zend_uchar * const buffer, const zend_uchar * const scramble, const zend_uchar * const password, const size_t password_len)
+-{
+- PHP_SHA256_CTX context;
+- zend_uchar sha1[SHA256_LENGTH];
+- zend_uchar sha2[SHA256_LENGTH];
+-
+- /* Phase 1: hash password */
+- PHP_SHA256Init(&context);
+- PHP_SHA256Update(&context, password, password_len);
+- PHP_SHA256Final(sha1, &context);
+-
+- /* Phase 2: hash sha1 */
+- PHP_SHA256Init(&context);
+- PHP_SHA256Update(&context, (zend_uchar*)sha1, SHA256_LENGTH);
+- PHP_SHA256Final(sha2, &context);
+-
+- /* Phase 3: hash scramble + sha2 */
+- PHP_SHA256Init(&context);
+- PHP_SHA256Update(&context, (zend_uchar*)sha2, SHA256_LENGTH);
+- PHP_SHA256Update(&context, scramble, SCRAMBLE_LENGTH);
+- PHP_SHA256Final(buffer, &context);
+-
+- /* let's crypt buffer now */
+- php_mysqlnd_crypt(buffer, (const zend_uchar *)sha1, (const zend_uchar *)buffer, SHA256_LENGTH);
+-}
+-/* }}} */
+-
+-
+-/* {{{ mysqlnd_native_auth_get_auth_data */
+-static zend_uchar *
+-mysqlnd_caching_sha2_get_auth_data(struct st_mysqlnd_authentication_plugin * self,
+- size_t * auth_data_len,
+- MYSQLND_CONN_DATA * conn, const char * const user, const char * const passwd,
+- const size_t passwd_len, zend_uchar * auth_plugin_data, size_t auth_plugin_data_len,
+- const MYSQLND_SESSION_OPTIONS * const session_options,
+- const MYSQLND_PFC_DATA * const pfc_data,
+- zend_ulong mysql_flags
+- )
+-{
+- zend_uchar * ret = NULL;
+- DBG_ENTER("mysqlnd_caching_sha2_get_auth_data");
+- DBG_INF_FMT("salt(%d)=[%.*s]", auth_plugin_data_len, auth_plugin_data_len, auth_plugin_data);
+- *auth_data_len = 0;
+-
+- DBG_INF("First auth step: send hashed password");
+- /* copy scrambled pass*/
+- if (passwd && passwd_len) {
+- ret = malloc(SHA256_LENGTH + 1);
+- *auth_data_len = SHA256_LENGTH;
+- php_mysqlnd_scramble_sha2((zend_uchar*)ret, auth_plugin_data, (zend_uchar*)passwd, passwd_len);
+- ret[SHA256_LENGTH] = '\0';
+- DBG_INF_FMT("hash(%d)=[%.*s]", *auth_data_len, *auth_data_len, ret);
+- }
+-
+- DBG_RETURN(ret);
+-}
+-/* }}} */
+-
+-#ifdef MYSQLND_HAVE_SSL
+-static RSA *
+-mysqlnd_caching_sha2_get_key(MYSQLND_CONN_DATA *conn)
+-{
+- RSA * ret = NULL;
+- const MYSQLND_PFC_DATA * const pfc_data = conn->protocol_frame_codec->data;
+- const char * fname = (pfc_data->sha256_server_public_key && pfc_data->sha256_server_public_key[0] != '\0')?
+- pfc_data->sha256_server_public_key:
+- MYSQLND_G(sha256_server_public_key);
+- php_stream * stream;
+- DBG_ENTER("mysqlnd_cached_sha2_get_key");
+- DBG_INF_FMT("options_s256_pk=[%s] MYSQLND_G(sha256_server_public_key)=[%s]",
+- pfc_data->sha256_server_public_key? pfc_data->sha256_server_public_key:"n/a",
+- MYSQLND_G(sha256_server_public_key)? MYSQLND_G(sha256_server_public_key):"n/a");
+- if (!fname || fname[0] == '\0') {
+- MYSQLND_PACKET_CACHED_SHA2_RESULT *req_packet = NULL;
+- MYSQLND_PACKET_SHA256_PK_REQUEST_RESPONSE *pk_resp_packet = NULL;
+-
+- do {
+- DBG_INF("requesting the public key from the server");
+- req_packet = conn->payload_decoder_factory->m.get_cached_sha2_result_packet(conn->payload_decoder_factory, FALSE);
+- pk_resp_packet = conn->payload_decoder_factory->m.get_sha256_pk_request_response_packet(conn->payload_decoder_factory, FALSE);
+- req_packet->request = 1;
+-
+- if (! PACKET_WRITE(req_packet)) {
+- DBG_ERR_FMT("Error while sending public key request packet");
+- php_error(E_WARNING, "Error while sending public key request packet. PID=%d", getpid());
+- SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT);
+- break;
+- }
+- if (FAIL == PACKET_READ(pk_resp_packet) || NULL == pk_resp_packet->public_key) {
+- DBG_ERR_FMT("Error while receiving public key");
+- php_error(E_WARNING, "Error while receiving public key. PID=%d", getpid());
+- SET_CONNECTION_STATE(&conn->state, CONN_QUIT_SENT);
+- break;
+- }
+- DBG_INF_FMT("Public key(%d):\n%s", pk_resp_packet->public_key_len, pk_resp_packet->public_key);
+- /* now extract the public key */
+- {
+- BIO * bio = BIO_new_mem_buf(pk_resp_packet->public_key, pk_resp_packet->public_key_len);
+- ret = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL);
+- BIO_free(bio);
+- }
+- } while (0);
+- PACKET_FREE(req_packet);
+- PACKET_FREE(pk_resp_packet);
+-
+- DBG_INF_FMT("ret=%p", ret);
+- DBG_RETURN(ret);
+-
+- SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE,
+- "caching_sha2_server_public_key is not set for the connection or as mysqlnd.sha256_server_public_key");
+- DBG_ERR("server_public_key is not set");
+- DBG_RETURN(NULL);
+- } else {
+- zend_string * key_str;
+- DBG_INF_FMT("Key in a file. [%s]", fname);
+- stream = php_stream_open_wrapper((char *) fname, "rb", REPORT_ERRORS, NULL);
+-
+- if (stream) {
+- if ((key_str = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0)) != NULL) {
+- BIO * bio = BIO_new_mem_buf(ZSTR_VAL(key_str), ZSTR_LEN(key_str));
+- ret = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL);
+- BIO_free(bio);
+- DBG_INF("Successfully loaded");
+- DBG_INF_FMT("Public key:%*.s", ZSTR_LEN(key_str), ZSTR_VAL(key_str));
+- zend_string_release(key_str);
+- }
+- php_stream_close(stream);
+- }
+- }
+- DBG_RETURN(ret);
+-
+-}
+-#endif
+-
+-
+-/* {{{ mysqlnd_caching_sha2_get_key */
+-static size_t
+-mysqlnd_caching_sha2_get_and_use_key(MYSQLND_CONN_DATA *conn,
+- const zend_uchar * auth_plugin_data, size_t auth_plugin_data_len,
+- unsigned char **crypted,
+- const char * const passwd,
+- const size_t passwd_len)
+-{
+-#ifdef MYSQLND_HAVE_SSL
+- static RSA *server_public_key;
+- server_public_key = mysqlnd_caching_sha2_get_key(conn);
+-
+- DBG_ENTER("mysqlnd_caching_sha2_get_and_use_key(");
+-
+- if (server_public_key) {
+- int server_public_key_len;
+- char xor_str[passwd_len + 1];
+- memcpy(xor_str, passwd, passwd_len);
+- xor_str[passwd_len] = '\0';
+- mysqlnd_xor_string(xor_str, passwd_len, (char *) auth_plugin_data, auth_plugin_data_len);
+-
+- server_public_key_len = RSA_size(server_public_key);
+- /*
+- Because RSA_PKCS1_OAEP_PADDING is used there is a restriction on the passwd_len.
+- RSA_PKCS1_OAEP_PADDING is recommended for new applications. See more here:
+- http://www.openssl.org/docs/crypto/RSA_public_encrypt.html
+- */
+- if ((size_t) server_public_key_len - 41 <= passwd_len) {
+- /* password message is to long */
+- SET_CLIENT_ERROR(conn->error_info, CR_UNKNOWN_ERROR, UNKNOWN_SQLSTATE, "password is too long");
+- DBG_ERR("password is too long");
+- DBG_RETURN(0);
+- }
+-
+- *crypted = emalloc(server_public_key_len);
+- RSA_public_encrypt(passwd_len + 1, (zend_uchar *) xor_str, *crypted, server_public_key, RSA_PKCS1_OAEP_PADDING);
+- DBG_RETURN(server_public_key_len);
+- }
+- DBG_RETURN(0);
+-#else
+- DBG_ENTER("mysqlnd_caching_sha2_get_and_use_key(");
+- php_error_docref(NULL, E_WARNING, "PHP was built without openssl extension, can't send password encrypted");
+- DBG_RETURN(0);
+-#endif
+-}
+-/* }}} */
+-
+-/* {{{ mysqlnd_native_auth_get_auth_data */
+-static void
+-mysqlnd_caching_sha2_handle_server_response(struct st_mysqlnd_authentication_plugin *self,
+- MYSQLND_CONN_DATA * conn,
+- const zend_uchar * auth_plugin_data, size_t auth_plugin_data_len,
+- const char * const passwd,
+- const size_t passwd_len)
+-{
+- DBG_ENTER("mysqlnd_caching_sha2_handle_server_response");
+- MYSQLND_PACKET_CACHED_SHA2_RESULT *result_packet;
+- result_packet = conn->payload_decoder_factory->m.get_cached_sha2_result_packet(conn->payload_decoder_factory, FALSE);
+-
+- if (FAIL == PACKET_READ(result_packet)) {
+- DBG_VOID_RETURN;
+- }
+-
+- switch (result_packet->response_code) {
+- case 3:
+- DBG_INF("fast path suceeded");
+- PACKET_FREE(result_packet);
+- DBG_VOID_RETURN;
+- case 4:
+- if (conn->vio->data->ssl || conn->unix_socket.s) {
+- DBG_INF("fast path failed, doing full auth via SSL");
+- result_packet->password = (zend_uchar *)passwd;
+- result_packet->password_len = passwd_len + 1;
+- PACKET_WRITE(result_packet);
+- } else {
+- DBG_INF("fast path failed, doing full auth without SSL");
+- result_packet->password_len = mysqlnd_caching_sha2_get_and_use_key(conn, auth_plugin_data, auth_plugin_data_len, &result_packet->password, passwd, passwd_len);
+- PACKET_WRITE(result_packet);
+- efree(result_packet->password);
+- }
+- PACKET_FREE(result_packet);
+- DBG_VOID_RETURN;
+- case 2:
+- // The server tried to send a key, which we didn't expect
+- // fall-through
+- default:
+- php_error_docref(NULL, E_WARNING, "Unexpected server respose while doing caching_sha2 auth: %i", result_packet->response_code);
+- }
+-
+- PACKET_FREE(result_packet);
+-
+- DBG_VOID_RETURN;
+-}
+-/* }}} */
+-
+-static struct st_mysqlnd_authentication_plugin mysqlnd_caching_sha2_auth_plugin =
+-{
+- {
+- MYSQLND_PLUGIN_API_VERSION,
+- "auth_plugin_caching_sha2_password",
+- MYSQLND_VERSION_ID,
+- PHP_MYSQLND_VERSION,
+- "PHP License 3.01",
+- "Johannes Schlüter <johannes.schlueter@php.net>",
+- {
+- NULL, /* no statistics , will be filled later if there are some */
+- NULL, /* no statistics */
+- },
+- {
+- NULL /* plugin shutdown */
+- }
+- },
+- {/* methods */
+- mysqlnd_caching_sha2_get_auth_data,
+- mysqlnd_caching_sha2_handle_server_response
+- }
+-};
+-
+-
+ /* {{{ mysqlnd_register_builtin_authentication_plugins */
+ void
+ mysqlnd_register_builtin_authentication_plugins(void)
+ {
+ mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_native_auth_plugin);
+ mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_pam_authentication_plugin);
+- mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_caching_sha2_auth_plugin);
+ #ifdef MYSQLND_HAVE_SSL
+ mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_sha256_authentication_plugin);
+ #endif
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_auth.h php-7.2.8.rev/ext/mysqlnd/mysqlnd_auth.h
+--- php-7.2.8/ext/mysqlnd/mysqlnd_auth.h 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_auth.h 2018-07-22 00:10:53.908410675 +0000
+@@ -31,9 +31,26 @@ mysqlnd_auth_handshake(MYSQLND_CONN_DATA
+ unsigned int server_charset_no,
+ zend_bool use_full_blown_auth_packet,
+ const char * const auth_protocol,
+- struct st_mysqlnd_authentication_plugin * auth_plugin,
+- const zend_uchar * const orig_auth_plugin_data,
+- const size_t orig_auth_plugin_data_len,
++ const zend_uchar * const auth_plugin_data,
++ const 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
++mysqlnd_auth_handshake(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_SESSION_OPTIONS * const session_options,
++ zend_ulong mysql_flags,
++ unsigned int server_charset_no,
++ zend_bool use_full_blown_auth_packet,
++ const char * const auth_protocol,
+ const zend_uchar * const auth_plugin_data,
+ const size_t auth_plugin_data_len,
+ char ** switch_to_auth_protocol,
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_connection.c php-7.2.8.rev/ext/mysqlnd/mysqlnd_connection.c
+--- php-7.2.8/ext/mysqlnd/mysqlnd_connection.c 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_connection.c 2018-07-22 00:10:53.909410674 +0000
+@@ -678,10 +678,7 @@ MYSQLND_METHOD(mysqlnd_conn_data, connec
+
+ {
+ const MYSQLND_CSTRING scheme = { transport.s, transport.l };
+- /* This will be overwritten below with a copy, but we can use it during authentication */
+- conn->unix_socket.s = (char *)socket_or_pipe.s;
+ if (FAIL == conn->m->connect_handshake(conn, &scheme, &username, &password, &database, mysql_flags)) {
+- conn->unix_socket.s = NULL;
+ goto err;
+ }
+ conn->unix_socket.s = NULL;
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_enum_n_def.h php-7.2.8.rev/ext/mysqlnd/mysqlnd_enum_n_def.h
+--- php-7.2.8/ext/mysqlnd/mysqlnd_enum_n_def.h 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_enum_n_def.h 2018-07-22 00:10:53.909410674 +0000
+@@ -631,7 +631,6 @@ enum mysqlnd_packet_type
+ PROT_CHG_USER_RESP_PACKET,
+ PROT_SHA256_PK_REQUEST_PACKET,
+ PROT_SHA256_PK_REQUEST_RESPONSE_PACKET,
+- PROT_CACHED_SHA2_RESULT_PACKET,
+ PROT_LAST /* should always be last */
+ };
+
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_structs.h php-7.2.8.rev/ext/mysqlnd/mysqlnd_structs.h
+--- php-7.2.8/ext/mysqlnd/mysqlnd_structs.h 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_structs.h 2018-07-22 00:10:53.909410674 +0000
+@@ -970,7 +970,6 @@ struct st_mysqlnd_packet_chg_user_resp;
+ struct st_mysqlnd_packet_auth_pam;
+ struct st_mysqlnd_packet_sha256_pk_request;
+ struct st_mysqlnd_packet_sha256_pk_request_response;
+-struct st_mysqlnd_packet_cached_sha2_result;
+
+ typedef struct st_mysqlnd_packet_greet * (*func_mysqlnd_protocol_payload_decoder_factory__get_greet_packet)(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent);
+ typedef struct st_mysqlnd_packet_auth * (*func_mysqlnd_protocol_payload_decoder_factory__get_auth_packet)(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent);
+@@ -987,7 +986,6 @@ typedef struct st_mysqlnd_packet_prepare
+ typedef struct st_mysqlnd_packet_chg_user_resp*(*func_mysqlnd_protocol_payload_decoder_factory__get_change_user_response_packet)(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent);
+ typedef struct st_mysqlnd_packet_sha256_pk_request *(*func_mysqlnd_protocol_payload_decoder_factory__get_sha256_pk_request_packet)(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent);
+ typedef struct st_mysqlnd_packet_sha256_pk_request_response *(*func_mysqlnd_protocol_payload_decoder_factory__get_sha256_pk_request_response_packet)(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent);
+-typedef struct st_mysqlnd_packet_cached_sha2_result *(*func_mysqlnd_protocol_payload_decoder_factory__get_cached_sha2_result_packet)(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent);
+
+ typedef enum_func_status (*func_mysqlnd_protocol_payload_decoder_factory__send_command)(
+ MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * payload_decoder_factory,
+@@ -1045,7 +1043,6 @@ MYSQLND_CLASS_METHODS_TYPE(mysqlnd_proto
+ func_mysqlnd_protocol_payload_decoder_factory__get_change_user_response_packet get_change_user_response_packet;
+ func_mysqlnd_protocol_payload_decoder_factory__get_sha256_pk_request_packet get_sha256_pk_request_packet;
+ func_mysqlnd_protocol_payload_decoder_factory__get_sha256_pk_request_response_packet get_sha256_pk_request_response_packet;
+- func_mysqlnd_protocol_payload_decoder_factory__get_cached_sha2_result_packet get_cached_sha2_result_packet;
+
+ func_mysqlnd_protocol_payload_decoder_factory__send_command send_command;
+ func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_response send_command_handle_response;
+@@ -1358,18 +1355,11 @@ typedef zend_uchar * (*func_auth_plugin_
+ const MYSQLND_PFC_DATA * const pfc_data, zend_ulong mysql_flags
+ );
+
+-typedef void (*func_auth_plugin__handle_server_response)(struct st_mysqlnd_authentication_plugin * self,
+- MYSQLND_CONN_DATA * conn,
+- const zend_uchar * auth_plugin_data, size_t auth_plugin_data_len,
+- const char * const passwd,
+- const size_t passwd_len);
+-
+ struct st_mysqlnd_authentication_plugin
+ {
+ struct st_mysqlnd_plugin_header plugin_header;
+ struct {
+ func_auth_plugin__get_auth_data get_auth_data;
+- func_auth_plugin__handle_server_response handle_server_response;
+ } methods;
+ };
+
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_wireprotocol.c php-7.2.8.rev/ext/mysqlnd/mysqlnd_wireprotocol.c
+--- php-7.2.8/ext/mysqlnd/mysqlnd_wireprotocol.c 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_wireprotocol.c 2018-07-22 00:11:47.108407504 +0000
+@@ -2273,85 +2273,6 @@ php_mysqlnd_sha256_pk_request_response_f
+ }
+ /* }}} */
+
+-static
+-size_t php_mysqlnd_cached_sha2_result_write(void * _packet)
+-{
+- MYSQLND_PACKET_CACHED_SHA2_RESULT * packet= (MYSQLND_PACKET_CACHED_SHA2_RESULT *) _packet;
+- MYSQLND_ERROR_INFO * error_info = packet->header.error_info;
+- MYSQLND_PFC * pfc = packet->header.protocol_frame_codec;
+- MYSQLND_VIO * vio = packet->header.vio;
+- MYSQLND_STATS * stats = packet->header.stats;
+-#ifndef _MSC_VER
+- zend_uchar buffer[MYSQLND_HEADER_SIZE + packet->password_len + 1];
+-#else
+- ALLOCA_FLAG(use_heap)
+- zend_uchar *buffer = do_alloca(MYSQLND_HEADER_SIZE + packet->password_len + 1, use_heap);
+-#endif
+- size_t sent;
+-
+- DBG_ENTER("php_mysqlnd_cached_sha2_result_write");
+-
+- if (packet->request == 1) {
+- int1store(buffer + MYSQLND_HEADER_SIZE, '\2');
+- sent = pfc->data->m.send(pfc, vio, buffer, 1, stats, error_info);
+- } else {
+- memcpy(buffer + MYSQLND_HEADER_SIZE, packet->password, packet->password_len);
+- sent = pfc->data->m.send(pfc, vio, buffer, packet->password_len, stats, error_info);
+- }
+-
+-#ifdef _MSC_VER
+- free_alloca(buffer, use_heap);
+-#endif
+-
+- DBG_RETURN(sent);
+-}
+-
+-static enum_func_status
+-php_mysqlnd_cached_sha2_result_read(void * _packet)
+-{
+- MYSQLND_PACKET_CACHED_SHA2_RESULT * packet= (MYSQLND_PACKET_CACHED_SHA2_RESULT *) _packet;
+- MYSQLND_ERROR_INFO * error_info = packet->header.error_info;
+- MYSQLND_PFC * pfc = packet->header.protocol_frame_codec;
+- MYSQLND_VIO * vio = packet->header.vio;
+- MYSQLND_STATS * stats = packet->header.stats;
+- MYSQLND_CONNECTION_STATE * connection_state = packet->header.connection_state;
+- zend_uchar buf[SHA256_PK_REQUEST_RESP_BUFFER_SIZE];
+- zend_uchar *p = buf;
+- const zend_uchar * const begin = buf;
+-
+- DBG_ENTER("php_mysqlnd_cached_sha2_result_read");
+- if (FAIL == mysqlnd_read_packet_header_and_body(&(packet->header), pfc, vio, stats, error_info, connection_state, buf, sizeof(buf), "PROT_CACHED_SHA2_RESULT_PACKET", PROT_CACHED_SHA2_RESULT_PACKET)) {
+- DBG_RETURN(FAIL);
+- }
+- BAIL_IF_NO_MORE_DATA;
+-
+- p++;
+- packet->response_code = uint1korr(p);
+- BAIL_IF_NO_MORE_DATA;
+-
+- p++;
+- packet->result = uint1korr(p);
+- BAIL_IF_NO_MORE_DATA;
+-
+- DBG_RETURN(PASS);
+-
+-premature_end:
+- DBG_ERR_FMT("OK packet %d bytes shorter than expected", p - begin - packet->header.size);
+- php_error_docref(NULL, E_WARNING, "SHA256_PK_REQUEST_RESPONSE packet "MYSQLND_SZ_T_SPEC" bytes shorter than expected",
+- p - begin - packet->header.size);
+- DBG_RETURN(FAIL);
+-}
+-
+-static void
+-php_mysqlnd_cached_sha2_result_free_mem(void * _packet, zend_bool stack_allocation)
+-{
+- MYSQLND_PACKET_CACHED_SHA2_RESULT * p = (MYSQLND_PACKET_CACHED_SHA2_RESULT *) _packet;
+-
+- if (!stack_allocation) {
+- mnd_pefree(p, p->header.persistent);
+- }
+-}
+-/* }}} */
+ /* {{{ packet_methods */
+ static
+ mysqlnd_packet_methods packet_methods[PROT_LAST] =
+@@ -2445,15 +2366,9 @@ mysqlnd_packet_methods packet_methods[PR
+ php_mysqlnd_sha256_pk_request_response_read,
+ NULL, /* write */
+ php_mysqlnd_sha256_pk_request_response_free_mem,
+- }, /* PROT_SHA256_PK_REQUEST_RESPONSE_PACKET */
+- {
+- sizeof(MYSQLND_PACKET_CACHED_SHA2_RESULT),
+- php_mysqlnd_cached_sha2_result_read,
+- php_mysqlnd_cached_sha2_result_write,
+- php_mysqlnd_cached_sha2_result_free_mem
+- } /* PROT_CACHED_SHA2_RESULT_PACKET */
++ } /* PROT_SHA256_PK_REQUEST_RESPONSE_PACKET */
+ };
+-/* }}} */
++/* }}} */
+
+
+ /* {{{ mysqlnd_protocol::get_greet_packet */
+@@ -2802,30 +2717,6 @@ MYSQLND_METHOD(mysqlnd_protocol, get_sha
+ }
+ /* }}} */
+
+-/* {{{ mysqlnd_protocol::init_cached_sha2_result_packet */
+-static struct st_mysqlnd_packet_cached_sha2_result *
+-MYSQLND_METHOD(mysqlnd_protocol, get_cached_sha2_result_packet)
+-(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const factory, const zend_bool persistent)
+-{
+- struct st_mysqlnd_packet_cached_sha2_result * packet = mnd_pecalloc(1, packet_methods[PROT_CACHED_SHA2_RESULT_PACKET].struct_size, persistent);
+- DBG_ENTER("mysqlnd_protocol::init_cached_sha2_result_packet");
+- if (packet) {
+- memset(packet, 0, sizeof(*packet));
+- packet->header.m = &packet_methods[PROT_CACHED_SHA2_RESULT_PACKET];
+- packet->header.factory = factory;
+-
+- packet->header.protocol_frame_codec = factory->conn->protocol_frame_codec;
+- packet->header.vio = factory->conn->vio;
+- packet->header.stats = factory->conn->stats;
+- packet->header.error_info = factory->conn->error_info;
+- packet->header.connection_state = &factory->conn->state;
+-
+- packet->header.persistent = persistent;
+- }
+- DBG_RETURN(packet);
+-}
+-/* }}} */
+-
+
+ /* {{{ mysqlnd_protocol::send_command */
+ static enum_func_status
+@@ -3056,7 +2947,6 @@ MYSQLND_CLASS_METHODS_START(mysqlnd_prot
+ MYSQLND_METHOD(mysqlnd_protocol, get_change_user_response_packet),
+ MYSQLND_METHOD(mysqlnd_protocol, get_sha256_pk_request_packet),
+ MYSQLND_METHOD(mysqlnd_protocol, get_sha256_pk_request_response_packet),
+- MYSQLND_METHOD(mysqlnd_protocol, get_cached_sha2_result_packet),
+
+ MYSQLND_METHOD(mysqlnd_protocol, send_command),
+ MYSQLND_METHOD(mysqlnd_protocol, send_command_handle_response),
+diff -urpa php-7.2.8/ext/mysqlnd/mysqlnd_wireprotocol.h php-7.2.8.rev/ext/mysqlnd/mysqlnd_wireprotocol.h
+--- php-7.2.8/ext/mysqlnd/mysqlnd_wireprotocol.h 2018-07-17 05:35:47.000000000 +0000
++++ php-7.2.8.rev/ext/mysqlnd/mysqlnd_wireprotocol.h 2018-07-22 00:10:53.910410674 +0000
+@@ -292,16 +292,6 @@ typedef struct st_mysqlnd_packet_sha256
+ size_t public_key_len;
+ } MYSQLND_PACKET_SHA256_PK_REQUEST_RESPONSE;
+
+-typedef struct st_mysqlnd_packet_cached_sha2_result {
+- MYSQLND_PACKET_HEADER header;
+- uint8_t response_code;
+- uint8_t result;
+- uint8_t request;
+- zend_uchar * password;
+- size_t password_len;
+-} MYSQLND_PACKET_CACHED_SHA2_RESULT;
+-
+-
+
+ zend_ulong php_mysqlnd_net_field_length(const zend_uchar **packet);
+ zend_uchar * php_mysqlnd_net_store_length(zend_uchar *packet, const uint64_t length);