epan/dissectors/packet-snmp.h

   1 /* Do not modify this file. Changes will be overwritten.                      */
   2 /* Generated automatically by the ASN.1 to Wireshark dissector compiler       */
   3 /* packet-snmp.h                                                              */
   4 /* asn2wrs.py -b -q -L -p snmp -c ./snmp.cnf -s ./packet-snmp-template -D . -O ../.. snmp.asn */
   5
   6 /* packet-snmp.h
   7  * Routines for snmp packet dissection
   8  *
   9  * Wireshark - Network traffic analyzer
  10  * By Gerald Combs <gerald@wireshark.org>
  11  * Copyright 1998 Gerald Combs
  12  *
  13  * SPDX-License-Identifier: GPL-2.0-or-later
  14  */
  15
  16 #ifndef PACKET_SNMP_H
  17 #define PACKET_SNMP_H
  18
  19 #define SNMP_REQ_GET                0
  20 #define SNMP_REQ_GETNEXT            1
  21 #define SNMP_REQ_SET                3
  22 #define SNMP_REQ_GETBULK            5
  23 #define SNMP_REQ_INFORM             6
  24
  25 #define SNMP_RES_GET                2
  26
  27 #define SNMP_TRAP                   4
  28 #define SNMP_TRAPV2                 7
  29 #define SNMP_REPORT                 8
  30
  31 typedef struct _snmp_usm_key {
  32         uint8_t* data;
  33         unsigned len;
  34 } snmp_usm_key_t;
  35
  36 typedef struct _snmp_ue_assoc_t snmp_ue_assoc_t;
  37 typedef struct _snmp_usm_params_t snmp_usm_params_t;
  38
  39 typedef tvbuff_t* (*snmp_usm_decoder_t)(snmp_usm_params_t*, tvbuff_t* encryptedData, packet_info *pinfo, char const** error);
  40
  41 typedef enum _snmp_usm_auth_model_t {
  42         SNMP_USM_AUTH_MD5 = 0,
  43         SNMP_USM_AUTH_SHA1,
  44         SNMP_USM_AUTH_SHA2_224,
  45         SNMP_USM_AUTH_SHA2_256,
  46         SNMP_USM_AUTH_SHA2_384,
  47         SNMP_USM_AUTH_SHA2_512
  48 } snmp_usm_auth_model_t;
  49
  50 typedef struct _snmp_user_t {
  51         snmp_usm_key_t userName;
  52
  53         snmp_usm_auth_model_t authModel;
  54         snmp_usm_key_t authPassword;
  55         snmp_usm_key_t authKey;
  56
  57         snmp_usm_decoder_t privProtocol;
  58         snmp_usm_key_t privPassword;
  59         snmp_usm_key_t privKey;
  60 } snmp_user_t;
  61
  62 typedef struct {
  63         uint8_t* data;
  64         unsigned len;
  65 } snmp_engine_id_t;
  66
  67 struct _snmp_ue_assoc_t {
  68         snmp_user_t user;
  69         snmp_engine_id_t engine;
  70         unsigned        auth_model;
  71         unsigned        priv_proto;
  72         unsigned        priv_key_exp;
  73         struct _snmp_ue_assoc_t* next;
  74 };
  75
  76 struct _snmp_usm_params_t {
  77         bool authenticated;
  78         bool encrypted;
  79         unsigned start_offset;
  80         unsigned auth_offset;
  81
  82         uint32_t boots;
  83         uint32_t snmp_time;
  84         tvbuff_t* engine_tvb;
  85         tvbuff_t* user_tvb;
  86         proto_item* auth_item;
  87         tvbuff_t* auth_tvb;
  88         tvbuff_t* priv_tvb;
  89         tvbuff_t* msg_tvb;
  90         snmp_ue_assoc_t* user_assoc;
  91
  92         bool authOK;
  93 };
  94
  95 typedef struct snmp_request_response {
  96         uint32_t request_frame_id;
  97         uint32_t response_frame_id;
  98         nstime_t request_time;
  99         unsigned requestId;
 100         unsigned request_procedure_id;
 101 } snmp_request_response_t;
 102
 103 /*
 104  * Guts of the SNMP dissector - exported for use by protocols such as
 105  * ILMI.
 106  */
 107 extern unsigned dissect_snmp_pdu(tvbuff_t *, int, packet_info *, proto_tree *tree,
 108     int, int, bool);
 109 extern int dissect_snmp_engineid(proto_tree *, packet_info *, tvbuff_t *, int, int);
 110
 111 /*#include "packet-snmp-exp.h"*/
 112
 113 #endif  /* PACKET_SNMP_H */