[457] | 1 | /**
|
---|
| 2 | * @file
|
---|
| 3 | * Additional SNMPv3 functionality RFC3414 and RFC3826 (internal API, do not use in client code).
|
---|
| 4 | */
|
---|
| 5 |
|
---|
| 6 | /*
|
---|
| 7 | * Copyright (c) 2016 Elias Oenal.
|
---|
| 8 | * All rights reserved.
|
---|
| 9 | *
|
---|
| 10 | * Redistribution and use in source and binary forms, with or without modification,
|
---|
| 11 | * are permitted provided that the following conditions are met:
|
---|
| 12 | *
|
---|
| 13 | * 1. Redistributions of source code must retain the above copyright notice,
|
---|
| 14 | * this list of conditions and the following disclaimer.
|
---|
| 15 | * 2. Redistributions in binary form must reproduce the above copyright notice,
|
---|
| 16 | * this list of conditions and the following disclaimer in the documentation
|
---|
| 17 | * and/or other materials provided with the distribution.
|
---|
| 18 | * 3. The name of the author may not be used to endorse or promote products
|
---|
| 19 | * derived from this software without specific prior written permission.
|
---|
| 20 | *
|
---|
| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
---|
| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
---|
| 23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
---|
| 24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
---|
| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
|
---|
| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
---|
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
---|
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
---|
| 29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
---|
| 30 | * OF SUCH DAMAGE.
|
---|
| 31 | *
|
---|
| 32 | * Author: Elias Oenal <lwip@eliasoenal.com>
|
---|
| 33 | */
|
---|
| 34 |
|
---|
| 35 | #ifndef LWIP_HDR_APPS_SNMP_V3_PRIV_H
|
---|
| 36 | #define LWIP_HDR_APPS_SNMP_V3_PRIV_H
|
---|
| 37 |
|
---|
| 38 | #include "lwip/apps/snmp_opts.h"
|
---|
| 39 |
|
---|
| 40 | #if LWIP_SNMP && LWIP_SNMP_V3
|
---|
| 41 |
|
---|
| 42 | #include "lwip/apps/snmpv3.h"
|
---|
| 43 | #include "snmp_pbuf_stream.h"
|
---|
| 44 |
|
---|
| 45 | /* According to RFC 3411 */
|
---|
| 46 | #define SNMP_V3_MAX_ENGINE_ID_LENGTH 32
|
---|
| 47 | #define SNMP_V3_MAX_USER_LENGTH 32
|
---|
| 48 |
|
---|
| 49 | #define SNMP_V3_MAX_AUTH_PARAM_LENGTH 12
|
---|
| 50 | #define SNMP_V3_MAX_PRIV_PARAM_LENGTH 8
|
---|
| 51 |
|
---|
| 52 | #define SNMP_V3_MD5_LEN 16
|
---|
| 53 | #define SNMP_V3_SHA_LEN 20
|
---|
| 54 |
|
---|
| 55 | typedef enum {
|
---|
| 56 | SNMP_V3_PRIV_MODE_DECRYPT = 0,
|
---|
| 57 | SNMP_V3_PRIV_MODE_ENCRYPT = 1
|
---|
| 58 | } snmpv3_priv_mode_t;
|
---|
| 59 |
|
---|
| 60 | s32_t snmpv3_get_engine_boots_internal(void);
|
---|
| 61 | err_t snmpv3_auth(struct snmp_pbuf_stream *stream, u16_t length, const u8_t *key, snmpv3_auth_algo_t algo, u8_t *hmac_out);
|
---|
| 62 | err_t snmpv3_crypt(struct snmp_pbuf_stream *stream, u16_t length, const u8_t *key,
|
---|
| 63 | const u8_t *priv_param, const u32_t engine_boots, const u32_t engine_time, snmpv3_priv_algo_t algo, snmpv3_priv_mode_t mode);
|
---|
| 64 | err_t snmpv3_build_priv_param(u8_t *priv_param);
|
---|
| 65 | void snmpv3_enginetime_timer(void *arg);
|
---|
| 66 |
|
---|
| 67 | #endif
|
---|
| 68 |
|
---|
| 69 | #endif /* LWIP_HDR_APPS_SNMP_V3_PRIV_H */
|
---|