BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file |
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3 | * Additional SNMPv3 functionality RFC3414 and RFC3826. |
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4 | */ |
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5 | |||
6 | /* |
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7 | * Copyright (c) 2016 Elias Oenal. |
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8 | * All rights reserved. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without modification, |
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11 | * are permitted provided that the following conditions are met: |
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12 | * |
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13 | * 1. Redistributions of source code must retain the above copyright notice, |
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14 | * this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
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16 | * this list of conditions and the following disclaimer in the documentation |
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17 | * and/or other materials provided with the distribution. |
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18 | * 3. The name of the author may not be used to endorse or promote products |
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19 | * derived from this software without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
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26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
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30 | * OF SUCH DAMAGE. |
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31 | * |
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32 | * Author: Elias Oenal <lwip@eliasoenal.com> |
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33 | */ |
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34 | |||
35 | #ifndef LWIP_HDR_APPS_SNMP_V3_H |
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36 | #define LWIP_HDR_APPS_SNMP_V3_H |
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37 | |||
38 | #include "lwip/apps/snmp_opts.h" |
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39 | #include "lwip/err.h" |
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40 | |||
41 | #if LWIP_SNMP && LWIP_SNMP_V3 |
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42 | |||
43 | typedef enum |
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44 | { |
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45 | SNMP_V3_AUTH_ALGO_INVAL = 0, |
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46 | SNMP_V3_AUTH_ALGO_MD5 = 1, |
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47 | SNMP_V3_AUTH_ALGO_SHA = 2 |
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48 | } snmpv3_auth_algo_t; |
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49 | |||
50 | typedef enum |
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51 | { |
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52 | SNMP_V3_PRIV_ALGO_INVAL = 0, |
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53 | SNMP_V3_PRIV_ALGO_DES = 1, |
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54 | SNMP_V3_PRIV_ALGO_AES = 2 |
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55 | } snmpv3_priv_algo_t; |
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56 | |||
57 | typedef enum |
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58 | { |
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59 | SNMP_V3_USER_STORAGETYPE_OTHER = 1, |
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60 | SNMP_V3_USER_STORAGETYPE_VOLATILE = 2, |
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61 | SNMP_V3_USER_STORAGETYPE_NONVOLATILE = 3, |
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62 | SNMP_V3_USER_STORAGETYPE_PERMANENT = 4, |
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63 | SNMP_V3_USER_STORAGETYPE_READONLY = 5 |
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64 | } snmpv3_user_storagetype_t; |
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65 | |||
66 | /* |
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67 | * The following callback functions must be implemented by the application. |
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68 | * There is a dummy implementation in snmpv3_dummy.c. |
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69 | */ |
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70 | |||
71 | void snmpv3_get_engine_id(const char **id, u8_t *len); |
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72 | err_t snmpv3_set_engine_id(const char* id, u8_t len); |
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73 | |||
74 | u32_t snmpv3_get_engine_boots(void); |
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75 | void snmpv3_set_engine_boots(u32_t boots); |
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76 | |||
77 | u32_t snmpv3_get_engine_time(void); |
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78 | void snmpv3_reset_engine_time(void); |
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79 | |||
80 | err_t snmpv3_get_user(const char* username, snmpv3_auth_algo_t *auth_algo, u8_t *auth_key, snmpv3_priv_algo_t *priv_algo, u8_t *priv_key); |
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81 | u8_t snmpv3_get_amount_of_users(void); |
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82 | err_t snmpv3_get_user_storagetype(const char *username, snmpv3_user_storagetype_t *storagetype); |
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83 | err_t snmpv3_get_username(char *username, u8_t index); |
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84 | |||
85 | /* The following functions are provided by the SNMPv3 agent */ |
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86 | |||
87 | void snmpv3_engine_id_changed(void); |
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88 | s32_t snmpv3_get_engine_time_internal(void); |
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89 | |||
90 | void snmpv3_password_to_key_md5( |
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91 | const u8_t *password, /* IN */ |
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92 | size_t passwordlen, /* IN */ |
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93 | const u8_t *engineID, /* IN - pointer to snmpEngineID */ |
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94 | u8_t engineLength, /* IN - length of snmpEngineID */ |
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95 | u8_t *key); /* OUT - pointer to caller 16-octet buffer */ |
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96 | |||
97 | void snmpv3_password_to_key_sha( |
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98 | const u8_t *password, /* IN */ |
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99 | size_t passwordlen, /* IN */ |
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100 | const u8_t *engineID, /* IN - pointer to snmpEngineID */ |
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101 | u8_t engineLength, /* IN - length of snmpEngineID */ |
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102 | u8_t *key); /* OUT - pointer to caller 20-octet buffer */ |
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103 | |||
104 | #endif |
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105 | |||
106 | #endif /* LWIP_HDR_APPS_SNMP_V3_H */ |