142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/*
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Copyright (c) 2020 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 <cjson/cJSON.h>
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#include <stdio.h>
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#include <uthash.h>
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#include "mosquitto.h"
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#include "mosquitto_broker.h"
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#include "json_help.h"
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#include "dynamic_security.h"
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/* ################################################################
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* #
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* # Plugin global variables
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* #
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* ################################################################ */
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/* ################################################################
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* #
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* # Function declarations
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* #
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* ################################################################ */
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/* ################################################################
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* #
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* # Local variables
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* #
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* ################################################################ */
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/* ################################################################
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* #
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* # Utility functions
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* #
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* ################################################################ */
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static int dynsec_grouplist__cmp(void *a, void *b)
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{
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int prio;
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struct dynsec__grouplist *grouplist_a = a;
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struct dynsec__grouplist *grouplist_b = b;
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prio = grouplist_b->priority - grouplist_a->priority;
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if(prio == 0){
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return strcmp(grouplist_a->group->groupname, grouplist_b->group->groupname);
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}else{
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return prio;
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}
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}
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cJSON *dynsec_grouplist__all_to_json(struct dynsec__grouplist *base_grouplist)
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{
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struct dynsec__grouplist *grouplist, *grouplist_tmp;
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cJSON *j_groups, *j_group;
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j_groups = cJSON_CreateArray();
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if(j_groups == NULL) return NULL;
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HASH_ITER(hh, base_grouplist, grouplist, grouplist_tmp){
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j_group = cJSON_CreateObject();
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if(j_group == NULL){
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cJSON_Delete(j_groups);
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return NULL;
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}
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cJSON_AddItemToArray(j_groups, j_group);
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if(cJSON_AddStringToObject(j_group, "groupname", grouplist->group->groupname) == NULL
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|| (grouplist->priority != -1 && cJSON_AddIntToObject(j_group, "priority", grouplist->priority) == NULL)
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){
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cJSON_Delete(j_groups);
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return NULL;
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}
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}
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return j_groups;
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}
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int dynsec_grouplist__add(struct dynsec__grouplist **base_grouplist, struct dynsec__group *group, int priority)
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{
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struct dynsec__grouplist *grouplist;
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HASH_FIND(hh, *base_grouplist, group->groupname, strlen(group->groupname), grouplist);
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if(grouplist != NULL){
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/* Group is already in the list */
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return MOSQ_ERR_SUCCESS;
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}
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grouplist = mosquitto_malloc(sizeof(struct dynsec__grouplist));
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if(grouplist == NULL){
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return MOSQ_ERR_NOMEM;
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}
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grouplist->group = group;
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grouplist->priority = priority;
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HASH_ADD_KEYPTR_INORDER(hh, *base_grouplist, grouplist->group->groupname, strlen(grouplist->group->groupname), grouplist, dynsec_grouplist__cmp);
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return MOSQ_ERR_SUCCESS;
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}
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void dynsec_grouplist__cleanup(struct dynsec__grouplist **base_grouplist)
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{
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struct dynsec__grouplist *grouplist, *grouplist_tmp;
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HASH_ITER(hh, *base_grouplist, grouplist, grouplist_tmp){
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HASH_DELETE(hh, *base_grouplist, grouplist);
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mosquitto_free(grouplist);
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}
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}
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void dynsec_grouplist__remove(struct dynsec__grouplist **base_grouplist, struct dynsec__group *group)
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{
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struct dynsec__grouplist *grouplist;
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HASH_FIND(hh, *base_grouplist, group->groupname, strlen(group->groupname), grouplist);
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if(grouplist){
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HASH_DELETE(hh, *base_grouplist, grouplist);
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mosquitto_free(grouplist);
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}
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}
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