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plugin types FEATURE cert-exp-time plugin
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Implemented plugin for the libnetconf2-netconf-server YANG module's
certificate-expiration-time type.
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roman committed Aug 12, 2024
1 parent 36b779c commit 24cb044
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Showing 3 changed files with 110 additions and 1 deletion.
3 changes: 2 additions & 1 deletion CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,8 @@ set(type_plugins
src/plugins_types/date_and_time.c
src/plugins_types/hex_string.c
src/plugins_types/xpath1.0.c
src/plugins_types/node_instanceid.c)
src/plugins_types/node_instanceid.c
src/plugins_types/cert_exp_time.c)

set(libsrc
src/ly_common.c
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8 changes: 8 additions & 0 deletions src/plugins.c
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Expand Up @@ -80,6 +80,11 @@ extern const struct lyplg_type_record plugins_xpath10[];
*/
extern const struct lyplg_type_record plugins_node_instanceid[];

/*
* libnetconf2-netconf-server
*/
extern const struct lyplg_type_record plugins_cert_exp_time[];

/*
* lyds_tree
*/
Expand Down Expand Up @@ -522,6 +527,9 @@ lyplg_init(ly_bool builtin_type_plugins_only)
LY_CHECK_GOTO(ret = plugins_insert(NULL, LYPLG_TYPE, plugins_hex_string), error);
LY_CHECK_GOTO(ret = plugins_insert(NULL, LYPLG_TYPE, plugins_xpath10), error);

/* libnetconf2-netconf-server */
LY_CHECK_GOTO(ret = plugins_insert(NULL, LYPLG_TYPE, plugins_cert_exp_time), error);

/* ietf-netconf-acm */
LY_CHECK_GOTO(ret = plugins_insert(NULL, LYPLG_TYPE, plugins_node_instanceid), error);

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100 changes: 100 additions & 0 deletions src/plugins_types/cert_exp_time.c
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@@ -0,0 +1,100 @@
/**
* @file cert_exp_time.c
* @author Roman Janota <janota@cesnet.cz>
* @brief libnetconf2-netconf-server certificate-expiration-time type plugin.
*
* Copyright (c) 2024 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/

#include "plugins_types.h"

#include <stdlib.h>
#include <string.h>

#include "libyang.h"

#include "compat.h"
#include "ly_common.h"
#include "plugins_internal.h" /* LY_TYPE_*_STR */

/**
* @page howtoDataLYB LYB Binary Format
* @subsection howtoDataLYBTypesCertExpTime certificate-expiration-time (libnetconf2-netconf-server)
*
* | Size (B) | Mandatory | Type | Meaning |
* | :------ | :-------: | :--: | :-----: |
* | string length | yes | `char *` | time offset relative to the current time |
*/

/**
* @brief Implementation of ::lyplg_type_sort_clb for libnetconf2-netconf-server certificate-expiration-time type.
*
* The values are sorted in descending order, i.e. the longest expiration time comes first.
*/
static int
lyplg_type_sort_cert_exp_time(const struct ly_ctx *ctx, const struct lyd_value *val1, const struct lyd_value *val2)
{
const char *value1, *value2;
char unit1, unit2;
long v1, v2;

value1 = lyd_value_get_canonical(ctx, val1);
value2 = lyd_value_get_canonical(ctx, val2);

/* get the units (last character) and the values (all characters except the last one) */
unit1 = value1[strlen(value1) - 1];
unit2 = value2[strlen(value2) - 1];
v1 = strtol(value1, NULL, 10);
v2 = strtol(value2, NULL, 10);

/* descending order */
if (unit1 == unit2) {
if (v1 > v2) {
return -1;
} else if (v1 == v2) {
return 0;
} else {
return 1;
}
} else if (unit1 == 'm') {
return -1;
} else if (unit1 == 'w' && unit2 != 'm') {
return -1;
} else if (unit1 == 'd' && unit2 == 'h') {
return -1;
} else {
return 1;
}
}

/**
* @brief Plugin information for certificate-expiration-time type implementation.
*
* Note that external plugins are supposed to use:
*
* LYPLG_TYPES = {
*/
const struct lyplg_type_record plugins_cert_exp_time[] = {
{
.module = "libnetconf2-netconf-server",
.revision = "2024-07-09",
.name = "certificate-expiration-time",

.plugin.id = "libyang 2 - cert-exp-time, version 1",
.plugin.store = lyplg_type_store_string,
.plugin.validate = NULL,
.plugin.compare = lyplg_type_compare_simple,
.plugin.sort = lyplg_type_sort_cert_exp_time,
.plugin.print = lyplg_type_print_simple,
.plugin.duplicate = lyplg_type_dup_simple,
.plugin.free = lyplg_type_free_simple,
.plugin.lyb_data_len = -1,
},
{0}
};

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