1*10465441SEvalZero /** 2*10465441SEvalZero * @file 3*10465441SEvalZero * Additional SNMPv3 functionality RFC3414 and RFC3826 (internal API, do not use in client code). 4*10465441SEvalZero */ 5*10465441SEvalZero 6*10465441SEvalZero /* 7*10465441SEvalZero * Copyright (c) 2016 Elias Oenal. 8*10465441SEvalZero * All rights reserved. 9*10465441SEvalZero * 10*10465441SEvalZero * Redistribution and use in source and binary forms, with or without modification, 11*10465441SEvalZero * are permitted provided that the following conditions are met: 12*10465441SEvalZero * 13*10465441SEvalZero * 1. Redistributions of source code must retain the above copyright notice, 14*10465441SEvalZero * this list of conditions and the following disclaimer. 15*10465441SEvalZero * 2. Redistributions in binary form must reproduce the above copyright notice, 16*10465441SEvalZero * this list of conditions and the following disclaimer in the documentation 17*10465441SEvalZero * and/or other materials provided with the distribution. 18*10465441SEvalZero * 3. The name of the author may not be used to endorse or promote products 19*10465441SEvalZero * derived from this software without specific prior written permission. 20*10465441SEvalZero * 21*10465441SEvalZero * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22*10465441SEvalZero * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23*10465441SEvalZero * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24*10465441SEvalZero * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*10465441SEvalZero * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26*10465441SEvalZero * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27*10465441SEvalZero * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28*10465441SEvalZero * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29*10465441SEvalZero * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30*10465441SEvalZero * OF SUCH DAMAGE. 31*10465441SEvalZero * 32*10465441SEvalZero * Author: Elias Oenal <[email protected]> 33*10465441SEvalZero */ 34*10465441SEvalZero 35*10465441SEvalZero #ifndef LWIP_HDR_APPS_SNMP_V3_PRIV_H 36*10465441SEvalZero #define LWIP_HDR_APPS_SNMP_V3_PRIV_H 37*10465441SEvalZero 38*10465441SEvalZero #include "lwip/apps/snmp_opts.h" 39*10465441SEvalZero 40*10465441SEvalZero #if LWIP_SNMP && LWIP_SNMP_V3 41*10465441SEvalZero 42*10465441SEvalZero #include "lwip/apps/snmpv3.h" 43*10465441SEvalZero #include "snmp_pbuf_stream.h" 44*10465441SEvalZero 45*10465441SEvalZero /* According to RFC 3411 */ 46*10465441SEvalZero #define SNMP_V3_MAX_ENGINE_ID_LENGTH 32 47*10465441SEvalZero #define SNMP_V3_MAX_USER_LENGTH 32 48*10465441SEvalZero 49*10465441SEvalZero #define SNMP_V3_MAX_AUTH_PARAM_LENGTH 12 50*10465441SEvalZero #define SNMP_V3_MAX_PRIV_PARAM_LENGTH 8 51*10465441SEvalZero 52*10465441SEvalZero #define SNMP_V3_MD5_LEN 16 53*10465441SEvalZero #define SNMP_V3_SHA_LEN 20 54*10465441SEvalZero 55*10465441SEvalZero typedef enum { 56*10465441SEvalZero SNMP_V3_PRIV_MODE_DECRYPT = 0, 57*10465441SEvalZero SNMP_V3_PRIV_MODE_ENCRYPT = 1 58*10465441SEvalZero } snmpv3_priv_mode_t; 59*10465441SEvalZero 60*10465441SEvalZero s32_t snmpv3_get_engine_boots_internal(void); 61*10465441SEvalZero 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*10465441SEvalZero err_t snmpv3_crypt(struct snmp_pbuf_stream *stream, u16_t length, const u8_t *key, 63*10465441SEvalZero 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*10465441SEvalZero err_t snmpv3_build_priv_param(u8_t *priv_param); 65*10465441SEvalZero void snmpv3_enginetime_timer(void *arg); 66*10465441SEvalZero 67*10465441SEvalZero #endif 68*10465441SEvalZero 69*10465441SEvalZero #endif /* LWIP_HDR_APPS_SNMP_V3_PRIV_H */ 70