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91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/**
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* @file
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* Additional SNMPv3 functionality RFC3414 and RFC3826.
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*/
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/*
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* Copyright (c) 2016 Elias Oenal.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* Author: Elias Oenal <lwip@eliasoenal.com>
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*/
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#ifndef LWIP_HDR_APPS_SNMP_V3_H
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#define LWIP_HDR_APPS_SNMP_V3_H
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#include "lwip/apps/snmp_opts.h"
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#include "lwip/err.h"
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#if LWIP_SNMP && LWIP_SNMP_V3
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#define SNMP_V3_AUTH_ALGO_INVAL 0
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#define SNMP_V3_AUTH_ALGO_MD5 1
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#define SNMP_V3_AUTH_ALGO_SHA 2
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#define SNMP_V3_PRIV_ALGO_INVAL 0
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#define SNMP_V3_PRIV_ALGO_DES 1
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#define SNMP_V3_PRIV_ALGO_AES 2
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#define SNMP_V3_PRIV_MODE_DECRYPT 0
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#define SNMP_V3_PRIV_MODE_ENCRYPT 1
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/*
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* The following callback functions must be implemented by the application.
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* There is a dummy implementation in snmpv3_dummy.c.
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*/
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void snmpv3_get_engine_id(const char **id, u8_t *len);
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err_t snmpv3_set_engine_id(const char* id, u8_t len);
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u32_t snmpv3_get_engine_boots(void);
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void snmpv3_set_engine_boots(u32_t boots);
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u32_t snmpv3_get_engine_time(void);
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void snmpv3_reset_engine_time(void);
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err_t snmpv3_get_user(const char* username, u8_t *auth_algo, u8_t *auth_key, u8_t *priv_algo, u8_t *priv_key);
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/* The following functions are provided by the SNMPv3 agent */
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void snmpv3_engine_id_changed(void);
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void snmpv3_password_to_key_md5(
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const u8_t *password, /* IN */
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u8_t passwordlen, /* IN */
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const u8_t *engineID, /* IN - pointer to snmpEngineID */
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u8_t engineLength, /* IN - length of snmpEngineID */
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u8_t *key); /* OUT - pointer to caller 16-octet buffer */
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void snmpv3_password_to_key_sha(
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const u8_t *password, /* IN */
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u8_t passwordlen, /* IN */
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const u8_t *engineID, /* IN - pointer to snmpEngineID */
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u8_t engineLength, /* IN - length of snmpEngineID */
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u8_t *key); /* OUT - pointer to caller 20-octet buffer */
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#endif
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#endif /* LWIP_HDR_APPS_SNMP_V3_H */
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