mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
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78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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Copyright (c) 2019-2024 Roger Light <roger@atchoo.org>
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License 2.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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https://www.eclipse.org/legal/epl-2.0/
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and the Eclipse Distribution License is available at
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http://www.eclipse.org/org/documents/edl-v10.php.
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SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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Contributors:
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Roger Light - initial implementation and documentation.
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*/
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#include "config.h"
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#include "mosquitto/mqtt_protocol.h"
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#include "packet_mosq.h"
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#include "property_mosq.h"
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#include "util_mosq.h"
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int mosquitto_ext_auth_continue(struct mosquitto *context, const char *auth_method, uint16_t auth_data_len, const void *auth_data, const mosquitto_property *input_props)
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{
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struct mosquitto__packet *packet = NULL;
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int rc;
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uint32_t remaining_length;
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mosquitto_property *properties = NULL;
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rc = mosquitto_property_copy_all(&properties, input_props);
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if(rc){
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return rc;
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}
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if(!context || context->protocol != mosq_p_mqtt5 || !auth_method){
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return MOSQ_ERR_PROTOCOL;
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}
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remaining_length = 1;
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rc = mosquitto_property_add_string(&properties, MQTT_PROP_AUTHENTICATION_METHOD, auth_method);
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if(rc){
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goto error;
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}
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if(auth_data != NULL && auth_data_len > 0){
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rc = mosquitto_property_add_binary(&properties, MQTT_PROP_AUTHENTICATION_DATA, auth_data, auth_data_len);
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if(rc){
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goto error;
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}
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}
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remaining_length += mosquitto_property_get_remaining_length(properties);
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rc = packet__check_oversize(context, remaining_length);
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if(rc){
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goto error;
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}
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rc = packet__alloc(&packet, CMD_AUTH, remaining_length);
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if(rc){
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goto error;
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}
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packet__write_byte(packet, MQTT_RC_CONTINUE_AUTHENTICATION);
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property__write_all(packet, properties, true);
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mosquitto_property_free_all(&properties);
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return packet__queue(context, packet);
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error:
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mosquitto_property_free_all(&properties);
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return rc;
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}
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