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/* packet-snmp.h
 * Routines for snmp packet dissection
 * $Id: packet-snmp-template.h 20736 2007-02-07 14:54:35Z lego $
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.


00028 typedef struct _snmp_usm_key {
      guint8* data;
      guint len;
} snmp_usm_key_t;

typedef struct _snmp_ue_assoc_t snmp_ue_assoc_t;
typedef struct _snmp_usm_params_t snmp_usm_params_t;

typedef gboolean (*snmp_usm_authenticator_t)(snmp_usm_params_t*, guint8** calc_auth, guint* calc_auth_len, gchar const** error);
typedef tvbuff_t* (*snmp_usm_decoder_t)(snmp_usm_params_t*, tvbuff_t* encryptedData, gchar const** error);
typedef void (*snmp_usm_password_to_key_t)(const guint8 *password, guint passwordlen, const guint8 *engineID, guint engineLength, guint8 *key);

00040 typedef struct _snmp_usm_auth_model_t {
      snmp_usm_password_to_key_t pass2key;
      snmp_usm_authenticator_t authenticate;
      guint key_size;
} snmp_usm_auth_model_t;

00046 typedef struct _snmp_user_t {
      snmp_usm_key_t userName;
      snmp_usm_auth_model_t* authModel;
      snmp_usm_key_t authPassword;
      snmp_usm_key_t authKey;

      snmp_usm_decoder_t privProtocol;
      snmp_usm_key_t privPassword;
      snmp_usm_key_t privKey;
} snmp_user_t;

00058 typedef struct {
      guint8* data;
      guint len;
} snmp_engine_id_t;

00063 struct _snmp_ue_assoc_t {
      snmp_user_t user;
      snmp_engine_id_t engine;
      guint auth_model;
      guint priv_proto;
      struct _snmp_ue_assoc_t* next;

00071 struct _snmp_usm_params_t {
      gboolean authenticated;
      gboolean encrypted;
      guint start_offset;
      guint auth_offset;
      guint32 boots;
      guint32 time;
      tvbuff_t* engine_tvb;
      tvbuff_t* user_tvb;
      proto_item* auth_item;
      tvbuff_t* auth_tvb;
      tvbuff_t* priv_tvb;
      tvbuff_t* msg_tvb;
      snmp_ue_assoc_t* user_assoc;

      gboolean authOK;

 * Guts of the SNMP dissector - exported for use by protocols such as
 * ILMI.
extern guint dissect_snmp_pdu(tvbuff_t *, int, packet_info *, proto_tree *tree,
    int, gint, gboolean);
extern int dissect_snmp_engineid(proto_tree *, tvbuff_t *, int, int);

/*#include "packet-snmp-exp.h"*/

#endif  /* PACKET_SNMP_H */

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