change public key setting to PERDIR and finish code that allows

to set the key file programatically per mysqli_options()

ext/mysqli/mysqli.c

@@ -699,6 +699,8 @@ PHP_MINIT_FUNCTION(mysqli)
 	REGISTER_LONG_CONSTANT("MYSQLI_OPT_SSL_VERIFY_SERVER_CERT", MYSQL_OPT_SSL_VERIFY_SERVER_CERT, CONST_CS | CONST_PERSISTENT);
 #endif
 
+	REGISTER_LONG_CONSTANT("MYSQLI_SERVER_PUBLIC_KEY", MYSQL_SERVER_PUBLIC_KEY, CONST_CS | CONST_PERSISTENT);
+
 	/* mysqli_real_connect flags */
 	REGISTER_LONG_CONSTANT("MYSQLI_CLIENT_SSL", CLIENT_SSL, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("MYSQLI_CLIENT_COMPRESS",CLIENT_COMPRESS, CONST_CS | CONST_PERSISTENT);

ext/mysqli/mysqli_api.c

@@ -1587,10 +1587,10 @@ static int mysqli_options_get_option_zval_type(int option)
 #endif /* MYSQLI_USE_MYSQLND */
 		case MYSQL_OPT_CONNECT_TIMEOUT:
 #ifdef MYSQL_REPORT_DATA_TRUNCATION
-                case MYSQL_REPORT_DATA_TRUNCATION:
+		case MYSQL_REPORT_DATA_TRUNCATION:
 #endif
-                case MYSQL_OPT_LOCAL_INFILE:
-                case MYSQL_OPT_NAMED_PIPE:
+		case MYSQL_OPT_LOCAL_INFILE:
+		case MYSQL_OPT_NAMED_PIPE:
 #ifdef MYSQL_OPT_PROTOCOL
                 case MYSQL_OPT_PROTOCOL:
 #endif /* MySQL 4.1.0 */
@@ -1606,7 +1606,7 @@ static int mysqli_options_get_option_zval_type(int option)
 		case MYSQL_OPT_RECONNECT:
 #endif /* MySQL 5.0.13 */
 #ifdef MYSQL_OPT_SSL_VERIFY_SERVER_CERT
-                case MYSQL_OPT_SSL_VERIFY_SERVER_CERT:
+		case MYSQL_OPT_SSL_VERIFY_SERVER_CERT:
 #endif /* MySQL 5.0.23 */
 #ifdef MYSQL_OPT_COMPRESS
 		case MYSQL_OPT_COMPRESS:
@@ -1627,6 +1627,7 @@ static int mysqli_options_get_option_zval_type(int option)
 		case MYSQL_INIT_COMMAND:
 		case MYSQL_SET_CHARSET_NAME:
 		case MYSQL_SET_CHARSET_DIR:
+		case MYSQL_SERVER_PUBLIC_KEY:
 			return IS_STRING;
 
 		default:

ext/mysqlnd/mysqlnd.c

@@ -2270,6 +2270,7 @@ MYSQLND_METHOD(mysqlnd_conn_data, set_client_option)(MYSQLND_CONN_DATA * const c
 		case MYSQL_OPT_CONNECT_TIMEOUT:
 		case MYSQLND_OPT_NET_CMD_BUFFER_SIZE:
 		case MYSQLND_OPT_NET_READ_BUFFER_SIZE:
+		case MYSQL_SERVER_PUBLIC_KEY:
 			ret = conn->net->data->m.set_client_option(conn->net, option, value TSRMLS_CC);
 			break;
 #ifdef MYSQLND_STRING_TO_INT_CONVERSION

ext/mysqlnd/mysqlnd_auth.c

@@ -488,7 +488,9 @@ mysqlnd_sha256_get_rsa_key(MYSQLND_CONN_DATA * conn,
 								MYSQLND_G(sha256_server_public_key);
 	php_stream * stream;
 	DBG_ENTER("mysqlnd_sha256_get_rsa_key");
-
+	DBG_INF_FMT("options_s256_pk=[%s] MYSQLND_G(sha256_server_public_key)=[%s]",
+				 net_options->sha256_server_public_key? net_options->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_SHA256_PK_REQUEST * pk_req_packet = NULL;
 		MYSQLND_PACKET_SHA256_PK_REQUEST_RESPONSE * pk_resp_packet = NULL;
@@ -539,6 +541,7 @@ mysqlnd_sha256_get_rsa_key(MYSQLND_CONN_DATA * conn,
 		DBG_RETURN(NULL);
 	} else {
 		char * key_str = NULL;
+		DBG_INF_FMT("Key in a file. [%s]", fname);
 		stream = php_stream_open_wrapper((char *) fname, "rb", REPORT_ERRORS, NULL);
 
 		if (stream) {
@@ -546,6 +549,7 @@ mysqlnd_sha256_get_rsa_key(MYSQLND_CONN_DATA * conn,
 				BIO * bio = BIO_new_mem_buf(key_str, len);
 				ret = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL);
 				BIO_free(bio);
+				DBG_INF("Successfully loaded");
 			}
 			if (key_str) {
 				DBG_INF_FMT("Public key:%*.s", len, key_str);

ext/mysqlnd/mysqlnd_net.c

@@ -781,6 +781,15 @@ MYSQLND_METHOD(mysqlnd_net, set_client_option)(MYSQLND_NET * const net, enum mys
 		case MYSQL_OPT_COMPRESS:
 			net->data->options.flags |= MYSQLND_NET_FLAG_USE_COMPRESSION;
 			break;
+		case MYSQL_SERVER_PUBLIC_KEY:
+			{
+				zend_bool pers = net->persistent;
+				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 = value? mnd_pestrdup(value, pers) : NULL;
+				break;
+			}
 		default:
 			DBG_RETURN(FAIL);
 	}

ext/mysqlnd/php_mysqlnd.c

@@ -236,7 +236,7 @@ PHP_INI_BEGIN()
 	STD_PHP_INI_ENTRY("mysqlnd.net_read_timeout",	"31536000",	PHP_INI_SYSTEM, OnUpdateLong,	net_read_timeout, zend_mysqlnd_globals, mysqlnd_globals)
 	STD_PHP_INI_ENTRY("mysqlnd.log_mask",				"0", 	PHP_INI_ALL,	OnUpdateLong,	log_mask, zend_mysqlnd_globals, mysqlnd_globals)
 	STD_PHP_INI_ENTRY("mysqlnd.mempool_default_size","16000",   PHP_INI_ALL,	OnUpdateLong,	mempool_default_size,	zend_mysqlnd_globals,		mysqlnd_globals)
-	STD_PHP_INI_ENTRY("mysqlnd.sha256_server_public_key",NULL, 	PHP_INI_SYSTEM, OnUpdateString,	sha256_server_public_key, zend_mysqlnd_globals, mysqlnd_globals)
+	STD_PHP_INI_ENTRY("mysqlnd.sha256_server_public_key",NULL, 	PHP_INI_PERDIR, OnUpdateString,	sha256_server_public_key, zend_mysqlnd_globals, mysqlnd_globals)
 
 #if PHP_DEBUG
 	STD_PHP_INI_ENTRY("mysqlnd.debug_emalloc_fail_threshold","-1",   PHP_INI_SYSTEM,	OnUpdateLong,	debug_emalloc_fail_threshold,	zend_mysqlnd_globals,		mysqlnd_globals)