mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
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79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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Copyright (c) 2016-2022 Roger Light <roger@atchoo.org>
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Copyright (c) 2022 Cedalo GmbH
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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_broker_internal.h"
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#include "memory_mosq.h"
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#include "utlist.h"
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static int plugin__handle_subscribe_single(struct mosquitto__security_options *opts, struct mosquitto *context, struct mosquitto_subscription *sub)
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{
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struct mosquitto_evt_subscribe event_data;
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struct mosquitto__callback *cb_base;
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int rc = MOSQ_ERR_SUCCESS;
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uint8_t qos;
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uint8_t options;
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qos = sub->options & 0x03;
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options = sub->options &= 0xFC;
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memset(&event_data, 0, sizeof(event_data));
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event_data.client = context;
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event_data.topic_filter = sub->topic_filter;
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event_data.qos = qos;
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event_data.subscription_options = options;
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event_data.subscription_identifier = sub->identifier;
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event_data.properties = sub->properties;
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DL_FOREACH(opts->plugin_callbacks.subscribe, cb_base){
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rc = cb_base->cb(MOSQ_EVT_SUBSCRIBE, &event_data, cb_base->userdata);
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if(rc != MOSQ_ERR_SUCCESS){
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break;
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}
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if(sub->topic_filter != event_data.topic_filter){
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mosquitto__free(sub->topic_filter);
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sub->topic_filter = event_data.topic_filter;
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}
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}
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if(event_data.qos < qos){
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qos = event_data.qos;
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}
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sub->options = qos | options;
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return rc;
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}
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int plugin__handle_subscribe(struct mosquitto *context, struct mosquitto_subscription *sub)
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{
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int rc = MOSQ_ERR_SUCCESS;
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/* Global plugins */
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rc = plugin__handle_subscribe_single(&db.config->security_options, context, sub);
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if(rc) return rc;
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if(db.config->per_listener_settings && context->listener){
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rc = plugin__handle_subscribe_single(context->listener->security_options, context, sub);
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}
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return rc;
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}
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