forked from osmocom/wireshark
3581 lines
119 KiB
C
3581 lines
119 KiB
C
/* Do not modify this file. */
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/* It is created automatically by the ASN.1 to Wireshark dissector compiler */
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/* ./packet-snmp.c */
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/* ../../tools/asn2wrs.py -b -e -p snmp -c snmp.cnf -s packet-snmp-template snmp.asn */
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/* Input file: packet-snmp-template.c */
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#line 1 "packet-snmp-template.c"
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/* packet-snmp.c
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* Routines for SNMP (simple network management protocol)
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* Copyright (C) 1998 Didier Jorand
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*
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* See RFC 1157 for SNMPv1.
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*
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* See RFCs 1901, 1905, and 1906 for SNMPv2c.
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*
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* See RFCs 1905, 1906, 1909, and 1910 for SNMPv2u [historic].
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*
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* See RFCs 2570-2576 for SNMPv3
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* Updated to use the asn2wrs compiler made by Tomas Kukosa
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* Copyright (C) 2005 - 2006 Anders Broman [AT] ericsson.com
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*
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Some stuff from:
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*
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* GXSNMP -- An snmp mangament application
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* Copyright (C) 1998 Gregory McLean & Jochen Friedrich
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* Beholder RMON ethernet network monitor,Copyright (C) 1993 DNPAP group
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/strutil.h>
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#include <epan/conversation.h>
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#include "etypes.h"
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#include <epan/prefs.h>
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#include <epan/sminmpec.h>
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#include <epan/emem.h>
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#include <epan/next_tvb.h>
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#include "packet-ipx.h"
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#include "packet-hpext.h"
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#include "packet-ber.h"
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#ifdef HAVE_SOME_SNMP
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#ifdef HAVE_NET_SNMP
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# include <net-snmp/net-snmp-config.h>
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# include <net-snmp/mib_api.h>
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# include <net-snmp/library/default_store.h>
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# include <net-snmp/config_api.h>
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#else /* HAVE_NET_SNMP */
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# include <ucd-snmp/ucd-snmp-config.h>
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# include <ucd-snmp/asn1.h>
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# include <ucd-snmp/snmp_api.h>
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# include <ucd-snmp/snmp_impl.h>
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# include <ucd-snmp/mib.h>
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# include <ucd-snmp/default_store.h>
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# include <ucd-snmp/read_config.h>
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# include <ucd-snmp/tools.h>
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#endif /* HAVE_NET_SNMP */
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#ifndef NETSNMP_DS_LIBRARY_ID
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# define NETSNMP_DS_LIBRARY_ID DS_LIBRARY_ID
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# define NETSNMP_DS_LIB_NO_TOKEN_WARNINGS DS_LIB_NO_TOKEN_WARNINGS
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# define NETSNMP_DS_LIB_PRINT_SUFFIX_ONLY DS_LIB_PRINT_SUFFIX_ONLY
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# define netsnmp_ds_set_boolean ds_set_boolean
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# define netsnmp_ds_set_int ds_set_int
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#endif
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#ifdef _WIN32
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# include <epan/filesystem.h>
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#endif /* _WIN32 */
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/*
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* Define values "sprint_realloc_value()" expects.
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*/
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# define VALTYPE_INTEGER ASN_INTEGER
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# define VALTYPE_COUNTER ASN_COUNTER
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# define VALTYPE_GAUGE ASN_GAUGE
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# define VALTYPE_TIMETICKS ASN_TIMETICKS
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# define VALTYPE_STRING ASN_OCTET_STR
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# define VALTYPE_IPADDR ASN_IPADDRESS
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# define VALTYPE_OPAQUE ASN_OPAQUE
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# define VALTYPE_NSAP ASN_NSAP
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# define VALTYPE_OBJECTID ASN_OBJECT_ID
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# define VALTYPE_BITSTR ASN_BIT_STR
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# define VALTYPE_COUNTER64 ASN_COUNTER64
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#endif /* HAVE_SOME_SNMP */
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#include "packet-snmp.h"
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#include "format-oid.h"
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/* Take a pointer that may be null and return a pointer that's not null
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by turning null pointers into pointers to the above null string,
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and, if the argument pointer wasn't null, make sure we handle
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non-printable characters in the string by escaping them. */
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#define SAFE_STRING(s, l) (((s) != NULL) ? format_text((s), (l)) : "")
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#define PNAME "Simple Network Management Protocol"
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#define PSNAME "SNMP"
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#define PFNAME "snmp"
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#define UDP_PORT_SNMP 161
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#define UDP_PORT_SNMP_TRAP 162
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#define TCP_PORT_SNMP 161
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#define TCP_PORT_SNMP_TRAP 162
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#define TCP_PORT_SMUX 199
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/* Initialize the protocol and registered fields */
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static int proto_snmp = -1;
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static int proto_smux = -1;
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/* Default MIB modules to load */
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/*
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* XXX - According to Wes Hardaker, we shouldn't do this:
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* http://www.ethereal.com/lists/ethereal-dev/200412/msg00222.html
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*/
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#ifdef _WIN32
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# define DEF_MIB_MODULES "IP-MIB;IF-MIB;TCP-MIB;UDP-MIB;SNMPv2-MIB;RFC1213-MIB;UCD-SNMP-MIB"
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# define IMPORT_SEPARATOR ":"
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#else
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# define DEF_MIB_MODULES "IP-MIB:IF-MIB:TCP-MIB:UDP-MIB:SNMPv2-MIB:RFC1213-MIB:UCD-SNMP-MIB"
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# define IMPORT_SEPARATOR ";"
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#endif /* _WIN32 */
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static const gchar *mib_modules = DEF_MIB_MODULES;
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static gboolean display_oid = TRUE;
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static gboolean snmp_var_in_tree = TRUE;
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/* Subdissector tables */
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static dissector_table_t variable_oid_dissector_table;
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#define TH_AUTH 0x01
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#define TH_CRYPT 0x02
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#define TH_REPORT 0x04
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/* desegmentation of SNMP-over-TCP */
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static gboolean snmp_desegment = TRUE;
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/* Global variables */
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guint32 MsgSecurityModel;
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tvbuff_t *oid_tvb=NULL;
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tvbuff_t *value_tvb=NULL;
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static dissector_handle_t snmp_handle;
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static dissector_handle_t data_handle;
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static next_tvb_list_t var_list;
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static int hf_snmp_v3_flags_auth = -1;
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static int hf_snmp_v3_flags_crypt = -1;
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static int hf_snmp_v3_flags_report = -1;
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static int hf_snmp_engineid_conform = -1;
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static int hf_snmp_engineid_enterprise = -1;
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static int hf_snmp_engineid_format = -1;
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static int hf_snmp_engineid_ipv4 = -1;
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static int hf_snmp_engineid_ipv6 = -1;
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static int hf_snmp_engineid_mac = -1;
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static int hf_snmp_engineid_text = -1;
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static int hf_snmp_engineid_time = -1;
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static int hf_snmp_engineid_data = -1;
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static int hf_snmp_counter64 = -1;
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/*--- Included file: packet-snmp-hf.c ---*/
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#line 1 "packet-snmp-hf.c"
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static int hf_snmp_SMUX_PDUs_PDU = -1; /* SMUX_PDUs */
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static int hf_snmp_simple = -1; /* SimpleSyntax */
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static int hf_snmp_application_wide = -1; /* ApplicationSyntax */
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static int hf_snmp_integer_value = -1; /* Integer_value */
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static int hf_snmp_string_value = -1; /* String_value */
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static int hf_snmp_objectID_value = -1; /* ObjectID_value */
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static int hf_snmp_empty = -1; /* Empty */
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static int hf_snmp_ipAddress_value = -1; /* IpAddress */
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static int hf_snmp_counter_value = -1; /* Counter32 */
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static int hf_snmp_timeticks_value = -1; /* TimeTicks */
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static int hf_snmp_arbitrary_value = -1; /* Opaque */
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static int hf_snmp_big_counter_value = -1; /* Counter64 */
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static int hf_snmp_unsigned_integer_value = -1; /* Unsigned32 */
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static int hf_snmp_internet = -1; /* IpAddress */
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static int hf_snmp_version = -1; /* Version */
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static int hf_snmp_community = -1; /* OCTET_STRING */
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static int hf_snmp_data = -1; /* PDUs */
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static int hf_snmp_parameters = -1; /* OCTET_STRING */
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static int hf_snmp_datav2u = -1; /* T_datav2u */
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static int hf_snmp_v2u_plaintext = -1; /* PDUs */
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static int hf_snmp_encrypted = -1; /* OCTET_STRING */
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static int hf_snmp_msgAuthoritativeEngineID = -1; /* SnmpEngineID */
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static int hf_snmp_msgAuthoritativeEngineBoots = -1; /* INTEGER_0_2147483647 */
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static int hf_snmp_msgAuthoritativeEngineTime = -1; /* INTEGER_0_2147483647 */
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static int hf_snmp_msgUserName = -1; /* OCTET_STRING_SIZE_1_32 */
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static int hf_snmp_msgAuthenticationParameters = -1; /* OCTET_STRING */
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static int hf_snmp_msgPrivacyParameters = -1; /* OCTET_STRING */
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static int hf_snmp_msgVersion = -1; /* Version */
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static int hf_snmp_msgGlobalData = -1; /* HeaderData */
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static int hf_snmp_msgSecurityParameters = -1; /* T_msgSecurityParameters */
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static int hf_snmp_msgData = -1; /* ScopedPduData */
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static int hf_snmp_msgID = -1; /* INTEGER_0_2147483647 */
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static int hf_snmp_msgMaxSize = -1; /* INTEGER_484_2147483647 */
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static int hf_snmp_msgFlags = -1; /* T_msgFlags */
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static int hf_snmp_msgSecurityModel = -1; /* T_msgSecurityModel */
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static int hf_snmp_plaintext = -1; /* ScopedPDU */
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static int hf_snmp_encryptedPDU = -1; /* OCTET_STRING */
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static int hf_snmp_contextEngineID = -1; /* OCTET_STRING */
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static int hf_snmp_contextName = -1; /* OCTET_STRING */
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static int hf_snmp_get_request = -1; /* T_get_request */
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static int hf_snmp_get_next_request = -1; /* T_get_next_request */
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static int hf_snmp_get_response = -1; /* T_get_response */
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static int hf_snmp_set_request = -1; /* T_set_request */
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static int hf_snmp_trap = -1; /* T_trap */
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static int hf_snmp_getBulkRequest = -1; /* T_getBulkRequest */
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static int hf_snmp_informRequest = -1; /* T_informRequest */
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static int hf_snmp_sNMPv2_Trap = -1; /* T_sNMPv2_Trap */
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static int hf_snmp_report = -1; /* T_report */
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static int hf_snmp_request_id = -1; /* INTEGER */
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static int hf_snmp_error_status = -1; /* T_error_status */
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static int hf_snmp_error_index = -1; /* INTEGER */
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static int hf_snmp_variable_bindings = -1; /* VarBindList */
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static int hf_snmp_bulkPDU_request_id = -1; /* Integer32 */
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static int hf_snmp_non_repeaters = -1; /* INTEGER_0_2147483647 */
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static int hf_snmp_max_repetitions = -1; /* INTEGER_0_2147483647 */
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static int hf_snmp_enterprise = -1; /* OBJECT_IDENTIFIER */
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static int hf_snmp_agent_addr = -1; /* NetworkAddress */
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static int hf_snmp_generic_trap = -1; /* T_generic_trap */
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static int hf_snmp_specific_trap = -1; /* INTEGER */
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static int hf_snmp_time_stamp = -1; /* TimeTicks */
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static int hf_snmp_name = -1; /* ObjectName */
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static int hf_snmp_valueType = -1; /* ValueType */
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static int hf_snmp_value = -1; /* ObjectSyntax */
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static int hf_snmp_unSpecified = -1; /* NULL */
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static int hf_snmp_noSuchObject = -1; /* NULL */
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static int hf_snmp_noSuchInstance = -1; /* NULL */
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static int hf_snmp_endOfMibView = -1; /* NULL */
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static int hf_snmp_VarBindList_item = -1; /* VarBind */
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static int hf_snmp_open = -1; /* OpenPDU */
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static int hf_snmp_close = -1; /* ClosePDU */
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static int hf_snmp_registerRequest = -1; /* RReqPDU */
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static int hf_snmp_registerResponse = -1; /* RegisterResponse */
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static int hf_snmp_commitOrRollback = -1; /* SOutPDU */
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static int hf_snmp_rRspPDU = -1; /* RRspPDU */
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static int hf_snmp_pDUs = -1; /* PDUs */
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static int hf_snmp_smux_simple = -1; /* SimpleOpen */
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static int hf_snmp_smux_version = -1; /* T_smux_version */
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static int hf_snmp_identity = -1; /* OBJECT_IDENTIFIER */
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static int hf_snmp_description = -1; /* DisplayString */
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static int hf_snmp_password = -1; /* OCTET_STRING */
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static int hf_snmp_subtree = -1; /* ObjectName */
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static int hf_snmp_priority = -1; /* INTEGER_M1_2147483647 */
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static int hf_snmp_operation = -1; /* T_operation */
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/*--- End of included file: packet-snmp-hf.c ---*/
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#line 191 "packet-snmp-template.c"
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static int hf_smux_version = -1;
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static int hf_smux_pdutype = -1;
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/* Initialize the subtree pointers */
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static gint ett_smux = -1;
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static gint ett_snmp = -1;
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static gint ett_engineid = -1;
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static gint ett_msgFlags = -1;
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/*--- Included file: packet-snmp-ett.c ---*/
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#line 1 "packet-snmp-ett.c"
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static gint ett_snmp_ObjectSyntax = -1;
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static gint ett_snmp_SimpleSyntax = -1;
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static gint ett_snmp_ApplicationSyntax = -1;
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static gint ett_snmp_NetworkAddress = -1;
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static gint ett_snmp_Message = -1;
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static gint ett_snmp_Messagev2u = -1;
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static gint ett_snmp_T_datav2u = -1;
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static gint ett_snmp_UsmSecurityParameters = -1;
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static gint ett_snmp_SNMPv3Message = -1;
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static gint ett_snmp_HeaderData = -1;
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static gint ett_snmp_ScopedPduData = -1;
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static gint ett_snmp_ScopedPDU = -1;
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static gint ett_snmp_PDUs = -1;
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static gint ett_snmp_PDU = -1;
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static gint ett_snmp_BulkPDU = -1;
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static gint ett_snmp_Trap_PDU = -1;
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static gint ett_snmp_VarBind = -1;
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static gint ett_snmp_ValueType = -1;
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static gint ett_snmp_VarBindList = -1;
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static gint ett_snmp_SMUX_PDUs = -1;
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static gint ett_snmp_RegisterResponse = -1;
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static gint ett_snmp_OpenPDU = -1;
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static gint ett_snmp_SimpleOpen = -1;
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static gint ett_snmp_RReqPDU = -1;
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/*--- End of included file: packet-snmp-ett.c ---*/
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#line 202 "packet-snmp-template.c"
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/* defined in net-SNMP; include/net-snmp/library/snmp.h */
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#undef SNMP_MSG_GET
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#undef SNMP_MSG_SET
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#undef SNMP_MSG_GETNEXT
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#undef SNMP_MSG_RESPONSE
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#undef SNMP_MSG_TRAP
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#undef SNMP_MSG_GETBULK
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#undef SNMP_MSG_INFORM
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#undef SNMP_MSG_TRAP2
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#undef SNMP_MSG_REPORT
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#undef SNMP_NOSUCHOBJECT
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#undef SNMP_NOSUCHINSTANCE
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#undef SNMP_ENDOFMIBVIEW
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/* Security Models */
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#define SNMP_SEC_ANY 0
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#define SNMP_SEC_V1 1
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#define SNMP_SEC_V2C 2
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#define SNMP_SEC_USM 3
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static const value_string sec_models[] = {
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{ SNMP_SEC_ANY, "Any" },
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{ SNMP_SEC_V1, "V1" },
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{ SNMP_SEC_V2C, "V2C" },
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{ SNMP_SEC_USM, "USM" },
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{ 0, NULL }
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};
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/* SMUX PDU types */
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#define SMUX_MSG_OPEN 0
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#define SMUX_MSG_CLOSE 1
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#define SMUX_MSG_RREQ 2
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#define SMUX_MSG_RRSP 3
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#define SMUX_MSG_SOUT 4
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static const value_string smux_types[] = {
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{ SMUX_MSG_OPEN, "Open" },
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{ SMUX_MSG_CLOSE, "Close" },
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{ SMUX_MSG_RREQ, "Registration Request" },
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{ SMUX_MSG_RRSP, "Registration Response" },
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{ SMUX_MSG_SOUT, "Commit Or Rollback" },
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{ 0, NULL }
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};
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/* SNMP Tags */
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#define SNMP_IPA 0 /* IP Address */
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#define SNMP_CNT 1 /* Counter (Counter32) */
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#define SNMP_GGE 2 /* Gauge (Gauge32) */
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#define SNMP_TIT 3 /* TimeTicks */
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#define SNMP_OPQ 4 /* Opaque */
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#define SNMP_NSP 5 /* NsapAddress */
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#define SNMP_C64 6 /* Counter64 */
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#define SNMP_U32 7 /* Uinteger32 */
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#define SERR_NSO 0
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#define SERR_NSI 1
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#define SERR_EOM 2
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/* SNMPv1 Types */
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#define SNMP_NULL 0
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#define SNMP_INTEGER 1 /* l */
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#define SNMP_OCTETSTR 2 /* c */
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#define SNMP_DISPLAYSTR 2 /* c */
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#define SNMP_OBJECTID 3 /* ul */
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#define SNMP_IPADDR 4 /* uc */
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#define SNMP_COUNTER 5 /* ul */
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#define SNMP_GAUGE 6 /* ul */
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#define SNMP_TIMETICKS 7 /* ul */
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#define SNMP_OPAQUE 8 /* c */
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/* additional SNMPv2 Types */
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#define SNMP_UINTEGER 5 /* ul */
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#define SNMP_BITSTR 9 /* uc */
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#define SNMP_NSAP 10 /* uc */
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#define SNMP_COUNTER64 11 /* ul */
|
|
#define SNMP_NOSUCHOBJECT 12
|
|
#define SNMP_NOSUCHINSTANCE 13
|
|
#define SNMP_ENDOFMIBVIEW 14
|
|
|
|
|
|
typedef struct _SNMP_CNV SNMP_CNV;
|
|
|
|
struct _SNMP_CNV
|
|
{
|
|
guint class;
|
|
guint tag;
|
|
gint syntax;
|
|
const gchar *name;
|
|
};
|
|
|
|
static SNMP_CNV SnmpCnv [] =
|
|
{
|
|
{BER_CLASS_UNI, BER_UNI_TAG_NULL, SNMP_NULL, "NULL"},
|
|
{BER_CLASS_UNI, BER_UNI_TAG_INTEGER, SNMP_INTEGER, "INTEGER"},
|
|
{BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, SNMP_OCTETSTR, "OCTET STRING"},
|
|
{BER_CLASS_UNI, BER_UNI_TAG_OID, SNMP_OBJECTID, "OBJECTID"},
|
|
{BER_CLASS_APP, SNMP_IPA, SNMP_IPADDR, "IPADDR"},
|
|
{BER_CLASS_APP, SNMP_CNT, SNMP_COUNTER, "COUNTER"}, /* Counter32 */
|
|
{BER_CLASS_APP, SNMP_GGE, SNMP_GAUGE, "GAUGE"}, /* Gauge32 == Unsigned32 */
|
|
{BER_CLASS_APP, SNMP_TIT, SNMP_TIMETICKS, "TIMETICKS"},
|
|
{BER_CLASS_APP, SNMP_OPQ, SNMP_OPAQUE, "OPAQUE"},
|
|
|
|
/* SNMPv2 data types and errors */
|
|
|
|
{BER_CLASS_UNI, BER_UNI_TAG_BITSTRING, SNMP_BITSTR, "BITSTR"},
|
|
{BER_CLASS_APP, SNMP_C64, SNMP_COUNTER64, "COUNTER64"},
|
|
{BER_CLASS_CON, SERR_NSO, SNMP_NOSUCHOBJECT, "NOSUCHOBJECT"},
|
|
{BER_CLASS_CON, SERR_NSI, SNMP_NOSUCHINSTANCE, "NOSUCHINSTANCE"},
|
|
{BER_CLASS_CON, SERR_EOM, SNMP_ENDOFMIBVIEW, "ENDOFMIBVIEW"},
|
|
{0, 0, -1, NULL}
|
|
};
|
|
|
|
/*
|
|
* NAME: g_snmp_tag_cls2syntax
|
|
* SYNOPSIS: gboolean g_snmp_tag_cls2syntax
|
|
* (
|
|
* guint tag,
|
|
* guint cls,
|
|
* gushort *syntax
|
|
* )
|
|
* DESCRIPTION: Converts ASN1 tag and class to Syntax tag and name.
|
|
* See SnmpCnv for conversion.
|
|
* RETURNS: name on success, NULL on failure
|
|
*/
|
|
|
|
static const gchar *
|
|
snmp_tag_cls2syntax ( guint tag, guint cls, gushort *syntax)
|
|
{
|
|
SNMP_CNV *cnv;
|
|
|
|
cnv = SnmpCnv;
|
|
while (cnv->syntax != -1)
|
|
{
|
|
if (cnv->tag == tag && cnv->class == cls)
|
|
{
|
|
*syntax = cnv->syntax;
|
|
return cnv->name;
|
|
}
|
|
cnv++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int oid_to_subid_buf(const guint8 *oid, gint oid_len, subid_t *buf, int buf_len) {
|
|
int i, out_len;
|
|
guint8 byte;
|
|
guint32 value;
|
|
gboolean is_first;
|
|
|
|
value=0; out_len = 0; byte =0; is_first = TRUE;
|
|
for (i=0; i<oid_len; i++){
|
|
if (out_len >= buf_len)
|
|
break;
|
|
byte = oid[i];
|
|
value = (value << 7) | (byte & 0x7F);
|
|
if (byte & 0x80) {
|
|
continue;
|
|
}
|
|
if (is_first) {
|
|
if ( value<40 ){
|
|
buf[0] = 0;
|
|
buf[1] = value;
|
|
}else if ( value < 80 ){
|
|
buf[0] = 1;
|
|
buf[1] = value - 40;
|
|
}else {
|
|
buf[0] = 2;
|
|
buf[1] = value - 80;
|
|
}
|
|
out_len= out_len+2;
|
|
is_first = FALSE;
|
|
}else{
|
|
buf[out_len++] = value;
|
|
}
|
|
value = 0;
|
|
}
|
|
|
|
return out_len;
|
|
}
|
|
|
|
gchar *
|
|
format_oid(subid_t *oid, guint oid_length)
|
|
{
|
|
char *result;
|
|
int result_len;
|
|
int len;
|
|
unsigned int i;
|
|
char *buf;
|
|
#ifdef HAVE_SOME_SNMP
|
|
guchar *oid_string;
|
|
size_t oid_string_len;
|
|
size_t oid_out_len;
|
|
#endif
|
|
|
|
result_len = oid_length * 22;
|
|
|
|
#ifdef HAVE_SOME_SNMP
|
|
/*
|
|
* Get the decoded form of the OID, and add its length to the
|
|
* length of the result string.
|
|
*
|
|
* XXX - check for "sprint_realloc_objid()" failure.
|
|
*/
|
|
oid_string_len = 1024;
|
|
oid_string = ep_alloc(oid_string_len);
|
|
*oid_string = '\0';
|
|
oid_out_len = 0;
|
|
/* We pass an ep allocated block here, NOT a malloced block
|
|
* so we MUST NOT allow reallocation, hence the fourth
|
|
* parameter MUST be 0/FALSE
|
|
*/
|
|
sprint_realloc_objid(&oid_string, &oid_string_len, &oid_out_len, FALSE,
|
|
oid, oid_length);
|
|
result_len += strlen(oid_string) + 3;
|
|
#endif
|
|
|
|
result = ep_alloc(result_len + 1);
|
|
buf = result;
|
|
len = g_snprintf(buf, result_len + 1 - (buf-result), "%lu", (unsigned long)oid[0]);
|
|
buf += len;
|
|
for (i = 1; i < oid_length;i++) {
|
|
len = g_snprintf(buf, result_len + 1 - (buf-result), ".%lu", (unsigned long)oid[i]);
|
|
buf += len;
|
|
}
|
|
|
|
#ifdef HAVE_SOME_SNMP
|
|
/*
|
|
* Append the decoded form of the OID.
|
|
*/
|
|
g_snprintf(buf, result_len + 1 -(buf-result), " (%s)", oid_string);
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
/* returns the decoded (can be NULL) and non_decoded OID strings */
|
|
void
|
|
new_format_oid(subid_t *oid, guint oid_length,
|
|
gchar **non_decoded, gchar **decoded)
|
|
{
|
|
int non_decoded_len;
|
|
int len;
|
|
unsigned int i;
|
|
char *buf;
|
|
#ifdef HAVE_SOME_SNMP
|
|
guchar *oid_string;
|
|
size_t oid_string_len;
|
|
size_t oid_out_len;
|
|
#endif
|
|
|
|
if (oid == NULL || oid_length < 1) {
|
|
*decoded = NULL;
|
|
return;
|
|
}
|
|
|
|
#ifdef HAVE_SOME_SNMP
|
|
/*
|
|
* Get the decoded form of the OID, and add its length to the
|
|
* length of the result string.
|
|
*/
|
|
|
|
/*
|
|
* XXX - if we convert this to ep_alloc(), make sure the fourth
|
|
* argument to sprint_realloc_objid() is FALSE.
|
|
*/
|
|
|
|
oid_string_len = 1024;
|
|
oid_string = ep_alloc(oid_string_len);
|
|
if (oid_string != NULL) {
|
|
*oid_string = '\0';
|
|
oid_out_len = 0;
|
|
/* We pass an ep allocated block here, NOT a malloced block
|
|
* so we MUST NOT allow reallocation, hence the fourth
|
|
* parameter MUST be 0/FALSE
|
|
*/
|
|
sprint_realloc_objid(&oid_string, &oid_string_len, &oid_out_len, FALSE,
|
|
oid, oid_length);
|
|
}
|
|
*decoded = oid_string;
|
|
#else
|
|
*decoded = NULL;
|
|
#endif
|
|
|
|
non_decoded_len = oid_length * 22 + 1;
|
|
*non_decoded = ep_alloc(non_decoded_len);
|
|
buf = *non_decoded;
|
|
len = g_snprintf(buf, non_decoded_len-(buf-*non_decoded), "%lu", (unsigned long)oid[0]);
|
|
buf += len;
|
|
for (i = 1; i < oid_length; i++) {
|
|
len = g_snprintf(buf, non_decoded_len-(buf-*non_decoded), ".%lu", (unsigned long)oid[i]);
|
|
buf += len;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_SOME_SNMP
|
|
static gboolean
|
|
check_var_length(guint vb_length, guint required_length, guchar **errmsg)
|
|
{
|
|
gchar *buf;
|
|
static const char badlen_fmt[] = "Length is %u, should be %u";
|
|
|
|
if (vb_length != required_length) {
|
|
/* Enough room for the largest "Length is XXX,
|
|
should be XXX" message - 10 digits for each
|
|
XXX. */
|
|
buf = ep_alloc(sizeof badlen_fmt + 10 + 10);
|
|
if (buf != NULL) {
|
|
g_snprintf(buf, sizeof badlen_fmt + 10 + 10,
|
|
badlen_fmt, vb_length, required_length);
|
|
}
|
|
*errmsg = buf;
|
|
return FALSE;
|
|
}
|
|
return TRUE; /* length is OK */
|
|
}
|
|
|
|
static gchar *
|
|
format_var(struct variable_list *variable, subid_t *variable_oid,
|
|
guint variable_oid_length, gushort vb_type, guint val_len)
|
|
{
|
|
guchar *buf;
|
|
size_t buf_len;
|
|
size_t out_len;
|
|
|
|
if (variable_oid == NULL || variable_oid_length == 0)
|
|
return NULL;
|
|
|
|
switch (vb_type) {
|
|
|
|
case SNMP_IPADDR:
|
|
/* Length has to be 4 bytes. */
|
|
if (!check_var_length(val_len, 4, &buf))
|
|
return buf; /* it's not 4 bytes */
|
|
break;
|
|
|
|
#ifdef REMOVED
|
|
/* not all counters are encoded as a full 64bit integer */
|
|
case SNMP_COUNTER64:
|
|
/* Length has to be 8 bytes. */
|
|
if (!check_var_length(val_len, 8, &buf))
|
|
return buf; /* it's not 8 bytes */
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
|
|
variable->next_variable = NULL;
|
|
variable->name = variable_oid;
|
|
variable->name_length = variable_oid_length;
|
|
switch (vb_type) {
|
|
|
|
case SNMP_INTEGER:
|
|
variable->type = VALTYPE_INTEGER;
|
|
break;
|
|
|
|
case SNMP_COUNTER:
|
|
variable->type = VALTYPE_COUNTER;
|
|
break;
|
|
|
|
case SNMP_GAUGE:
|
|
variable->type = VALTYPE_GAUGE;
|
|
break;
|
|
|
|
case SNMP_TIMETICKS:
|
|
variable->type = VALTYPE_TIMETICKS;
|
|
break;
|
|
|
|
case SNMP_OCTETSTR:
|
|
variable->type = VALTYPE_STRING;
|
|
break;
|
|
|
|
case SNMP_IPADDR:
|
|
variable->type = VALTYPE_IPADDR;
|
|
break;
|
|
|
|
case SNMP_OPAQUE:
|
|
variable->type = VALTYPE_OPAQUE;
|
|
break;
|
|
|
|
case SNMP_NSAP:
|
|
variable->type = VALTYPE_NSAP;
|
|
break;
|
|
|
|
case SNMP_OBJECTID:
|
|
variable->type = VALTYPE_OBJECTID;
|
|
break;
|
|
|
|
case SNMP_BITSTR:
|
|
variable->type = VALTYPE_BITSTR;
|
|
break;
|
|
|
|
case SNMP_COUNTER64:
|
|
variable->type = VALTYPE_COUNTER64;
|
|
break;
|
|
}
|
|
variable->val_len = val_len;
|
|
|
|
/*
|
|
* XXX - check for "sprint_realloc_objid()" failure.
|
|
*/
|
|
|
|
buf_len = 1024;
|
|
buf = ep_alloc(buf_len);
|
|
if (buf != NULL) {
|
|
*buf = '\0';
|
|
out_len = 0;
|
|
/* We pass an ep allocated block here, NOT a malloced block
|
|
* so we MUST NOT allow reallocation, hence the fourth
|
|
* parameter MUST be 0/FALSE
|
|
*/
|
|
sprint_realloc_value(&buf, &buf_len, &out_len, FALSE,
|
|
variable_oid, variable_oid_length, variable);
|
|
}
|
|
return buf;
|
|
}
|
|
#endif
|
|
|
|
|
|
#define F_SNMP_ENGINEID_CONFORM 0x80
|
|
#define SNMP_ENGINEID_RFC1910 0x00
|
|
#define SNMP_ENGINEID_RFC3411 0x01
|
|
|
|
static const true_false_string tfs_snmp_engineid_conform = {
|
|
"RFC3411 (SNMPv3)",
|
|
"RFC1910 (Non-SNMPv3)"
|
|
};
|
|
|
|
#define SNMP_ENGINEID_FORMAT_IPV4 0x01
|
|
#define SNMP_ENGINEID_FORMAT_IPV6 0x02
|
|
#define SNMP_ENGINEID_FORMAT_MACADDRESS 0x03
|
|
#define SNMP_ENGINEID_FORMAT_TEXT 0x04
|
|
#define SNMP_ENGINEID_FORMAT_OCTETS 0x05
|
|
|
|
static const value_string snmp_engineid_format_vals[] = {
|
|
{ SNMP_ENGINEID_FORMAT_IPV4, "IPv4 address" },
|
|
{ SNMP_ENGINEID_FORMAT_IPV6, "IPv6 address" },
|
|
{ SNMP_ENGINEID_FORMAT_MACADDRESS, "MAC address" },
|
|
{ SNMP_ENGINEID_FORMAT_TEXT, "Text, administratively assigned" },
|
|
{ SNMP_ENGINEID_FORMAT_OCTETS, "Octets, administratively assigned" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/*
|
|
* SNMP Engine ID dissection according to RFC 3411 (SnmpEngineID TC)
|
|
* or historic RFC 1910 (AgentID)
|
|
*/
|
|
int
|
|
dissect_snmp_engineid(proto_tree *tree, tvbuff_t *tvb, int offset, int len)
|
|
{
|
|
proto_item *item = NULL;
|
|
guint8 conformance, format;
|
|
guint32 enterpriseid, seconds;
|
|
nstime_t ts;
|
|
int len_remain = len;
|
|
|
|
/* first bit: engine id conformance */
|
|
if (len_remain<4) return offset;
|
|
conformance = ((tvb_get_guint8(tvb, offset)>>7) && 0x01);
|
|
proto_tree_add_item(tree, hf_snmp_engineid_conform, tvb, offset, 1, FALSE);
|
|
|
|
/* 4-byte enterprise number/name */
|
|
if (len_remain<4) return offset;
|
|
enterpriseid = tvb_get_ntohl(tvb, offset);
|
|
if (conformance)
|
|
enterpriseid -= 0x80000000; /* ignore first bit */
|
|
proto_tree_add_uint(tree, hf_snmp_engineid_enterprise, tvb, offset, 4, enterpriseid);
|
|
offset+=4;
|
|
len_remain-=4;
|
|
|
|
switch(conformance) {
|
|
|
|
case SNMP_ENGINEID_RFC1910:
|
|
/* 12-byte AgentID w/ 8-byte trailer */
|
|
if (len_remain==8) {
|
|
proto_tree_add_text(tree, tvb, offset, 8, "AgentID Trailer: 0x%s",
|
|
tvb_bytes_to_str(tvb, offset, 8));
|
|
offset+=8;
|
|
len_remain-=8;
|
|
} else {
|
|
proto_tree_add_text(tree, tvb, offset, len_remain, "<Data not conforming to RFC1910>");
|
|
return offset;
|
|
}
|
|
break;
|
|
|
|
case SNMP_ENGINEID_RFC3411: /* variable length: 5..32 */
|
|
|
|
/* 1-byte format specifier */
|
|
if (len_remain<1) return offset;
|
|
format = tvb_get_guint8(tvb, offset);
|
|
item = proto_tree_add_uint_format(tree, hf_snmp_engineid_format, tvb, offset, 1, format, "Engine ID Format: %s (%d)",
|
|
val_to_str(format, snmp_engineid_format_vals, "Reserved/Enterprise-specific"), format);
|
|
offset+=1;
|
|
len_remain-=1;
|
|
|
|
switch(format) {
|
|
case SNMP_ENGINEID_FORMAT_IPV4:
|
|
/* 4-byte IPv4 address */
|
|
if (len_remain==4) {
|
|
proto_tree_add_item(tree, hf_snmp_engineid_ipv4, tvb, offset, 4, FALSE);
|
|
offset+=4;
|
|
len_remain=0;
|
|
}
|
|
break;
|
|
case SNMP_ENGINEID_FORMAT_IPV6:
|
|
/* 16-byte IPv6 address */
|
|
if (len_remain==16) {
|
|
proto_tree_add_item(tree, hf_snmp_engineid_ipv6, tvb, offset, 16, FALSE);
|
|
offset+=16;
|
|
len_remain=0;
|
|
}
|
|
break;
|
|
case SNMP_ENGINEID_FORMAT_MACADDRESS:
|
|
/* 6-byte MAC address */
|
|
if (len_remain==6) {
|
|
proto_tree_add_item(tree, hf_snmp_engineid_mac, tvb, offset, 6, FALSE);
|
|
offset+=6;
|
|
len_remain=0;
|
|
}
|
|
break;
|
|
case SNMP_ENGINEID_FORMAT_TEXT:
|
|
/* max. 27-byte string, administratively assigned */
|
|
if (len_remain<=27) {
|
|
proto_tree_add_item(tree, hf_snmp_engineid_text, tvb, offset, len_remain, FALSE);
|
|
offset+=len_remain;
|
|
len_remain=0;
|
|
}
|
|
break;
|
|
case 128:
|
|
/* most common enterprise-specific format: (ucd|net)-snmp random */
|
|
if ((enterpriseid==2021)||(enterpriseid==8072)) {
|
|
proto_item_append_text(item, (enterpriseid==2021) ? ": UCD-SNMP Random" : ": Net-SNMP Random");
|
|
/* demystify: 4B random, 4B epoch seconds */
|
|
if (len_remain==8) {
|
|
proto_tree_add_item(tree, hf_snmp_engineid_data, tvb, offset, 4, FALSE);
|
|
seconds = tvb_get_letohl(tvb, offset+4);
|
|
ts.secs = seconds;
|
|
proto_tree_add_time_format(tree, hf_snmp_engineid_time, tvb, offset+4, 4,
|
|
&ts, "Engine ID Data: Creation Time: %s",
|
|
abs_time_secs_to_str(seconds));
|
|
offset+=8;
|
|
len_remain=0;
|
|
}
|
|
}
|
|
break;
|
|
case SNMP_ENGINEID_FORMAT_OCTETS:
|
|
default:
|
|
/* max. 27 bytes, administratively assigned or unknown format */
|
|
if (len_remain<=27) {
|
|
proto_tree_add_item(tree, hf_snmp_engineid_data, tvb, offset, len_remain, FALSE);
|
|
offset+=len_remain;
|
|
len_remain=0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (len_remain>0) {
|
|
proto_tree_add_text(tree, tvb, offset, len_remain, "<Data not conforming to RFC3411>");
|
|
offset+=len_remain;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* This code is copied from the original SNMP dissector with minor changes to adapt it to use packet-ber.c routines
|
|
* TODO:
|
|
* - Rewrite it completly as OID as subid_t could be returned from dissect_ber_objectidentifier
|
|
* - vb_type_name is known when calling this routine(?)
|
|
* - All branches not needed(?)
|
|
* ...
|
|
*/
|
|
|
|
static void
|
|
snmp_variable_decode(tvbuff_t *tvb, proto_tree *snmp_tree, packet_info *pinfo,tvbuff_t *oid_tvb,
|
|
int offset, guint *lengthp, tvbuff_t **out_tvb)
|
|
{
|
|
int start, vb_value_start;
|
|
guint length;
|
|
guint vb_length;
|
|
gushort vb_type;
|
|
const gchar *vb_type_name;
|
|
gint32 vb_integer_value;
|
|
guint32 vb_uinteger_value;
|
|
guint8 *vb_octet_string;
|
|
const guint8 *oid_buf;
|
|
subid_t *vb_oid;
|
|
guint vb_oid_length;
|
|
gchar *vb_display_string = NULL;
|
|
subid_t *variable_oid = NULL;
|
|
gint oid_len;
|
|
guint variable_oid_length = 0;
|
|
const guint8 *var_oid_buf;
|
|
#ifdef HAVE_SOME_SNMP
|
|
struct variable_list variable;
|
|
long value;
|
|
#endif
|
|
unsigned int i;
|
|
gchar *buf;
|
|
int len;
|
|
gint8 class;
|
|
gboolean pc, ind = 0;
|
|
gint32 ber_tag;
|
|
|
|
start = offset;
|
|
/* parse the type of the object */
|
|
offset = dissect_ber_identifier(pinfo, snmp_tree, tvb, start, &class, &pc, &ber_tag);
|
|
offset = dissect_ber_length(pinfo, snmp_tree, tvb, offset, &vb_length, &ind);
|
|
|
|
if(vb_length == 0){
|
|
length = offset - start;
|
|
*lengthp = length;
|
|
return;
|
|
}
|
|
|
|
vb_value_start = offset;
|
|
|
|
/* Convert the class, constructed flag, and tag to a type. */
|
|
vb_type_name = snmp_tag_cls2syntax(ber_tag, class, &vb_type);
|
|
|
|
if (vb_type_name == NULL) {
|
|
/*
|
|
* Unsupported type.
|
|
* Dissect the value as an opaque string of octets.
|
|
*/
|
|
vb_type_name = "unsupported type";
|
|
vb_type = SNMP_OPAQUE;
|
|
}
|
|
/* construct subid_t variable_oid from oid_tvb */
|
|
if (oid_tvb){
|
|
oid_len = tvb_length_remaining(oid_tvb,0);
|
|
var_oid_buf = tvb_get_ptr(oid_tvb, 0, oid_len);
|
|
variable_oid = ep_alloc((oid_len+1) * sizeof(gulong));
|
|
variable_oid_length = oid_to_subid_buf(var_oid_buf, oid_len, variable_oid, ((oid_len+1) * sizeof(gulong)));
|
|
}
|
|
/* parse the value */
|
|
switch (vb_type) {
|
|
|
|
case SNMP_INTEGER:
|
|
offset = dissect_ber_integer(FALSE, pinfo, NULL, tvb, start, -1, &vb_integer_value);
|
|
length = offset - vb_value_start;
|
|
if (snmp_tree) {
|
|
#ifdef HAVE_SOME_SNMP
|
|
value = vb_integer_value;
|
|
variable.val.integer = &value;
|
|
vb_display_string = format_var(&variable,
|
|
variable_oid, variable_oid_length, vb_type,
|
|
vb_length);
|
|
#else
|
|
vb_display_string = NULL;
|
|
#endif
|
|
if (vb_display_string != NULL) {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s", vb_display_string);
|
|
} else {
|
|
proto_tree_add_text(snmp_tree,tvb,
|
|
vb_value_start, length,
|
|
"Value: %s: %d (%#x)", vb_type_name,
|
|
vb_integer_value, vb_integer_value);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SNMP_COUNTER:
|
|
case SNMP_GAUGE:
|
|
case SNMP_TIMETICKS:
|
|
offset = dissect_ber_integer(FALSE, pinfo, NULL, tvb, start, -1, &vb_uinteger_value);
|
|
length = offset - vb_value_start;
|
|
if (snmp_tree) {
|
|
#ifdef HAVE_SOME_SNMP
|
|
value = vb_uinteger_value;
|
|
variable.val.integer = &value;
|
|
vb_display_string = format_var(&variable,
|
|
variable_oid, variable_oid_length, vb_type,
|
|
vb_length);
|
|
#else
|
|
vb_display_string = NULL;
|
|
#endif
|
|
if (vb_display_string != NULL) {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s", vb_display_string);
|
|
} else {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s: %u (%#x)", vb_type_name,
|
|
vb_uinteger_value, vb_uinteger_value);
|
|
}
|
|
}
|
|
break;
|
|
case SNMP_COUNTER64:
|
|
offset=dissect_ber_integer64(TRUE, pinfo, snmp_tree, tvb, offset, hf_snmp_counter64, NULL);
|
|
break;
|
|
case SNMP_OCTETSTR:
|
|
case SNMP_IPADDR:
|
|
case SNMP_OPAQUE:
|
|
case SNMP_NSAP:
|
|
case SNMP_BITSTR:
|
|
offset = dissect_ber_octet_string(FALSE, pinfo, NULL, tvb, start, -1, out_tvb);
|
|
vb_octet_string = ep_tvb_memdup(tvb, vb_value_start, vb_length);
|
|
|
|
length = offset - vb_value_start;
|
|
if (snmp_tree) {
|
|
#ifdef HAVE_SOME_SNMP
|
|
variable.val.string = vb_octet_string;
|
|
vb_display_string = format_var(&variable,
|
|
variable_oid, variable_oid_length, vb_type,
|
|
vb_length);
|
|
#else
|
|
vb_display_string = NULL;
|
|
#endif
|
|
if (vb_display_string != NULL) {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s", vb_display_string);
|
|
} else {
|
|
/*
|
|
* If some characters are not printable,
|
|
* display the string as bytes.
|
|
*/
|
|
for (i = 0; i < vb_length; i++) {
|
|
if (!(isprint(vb_octet_string[i])
|
|
|| isspace(vb_octet_string[i])))
|
|
break;
|
|
}
|
|
if (i < vb_length) {
|
|
/*
|
|
* We stopped, due to a non-printable
|
|
* character, before we got to the end
|
|
* of the string.
|
|
*/
|
|
vb_display_string = ep_alloc(4*vb_length);
|
|
buf = vb_display_string;
|
|
len = g_snprintf(buf, 4*vb_length, "%03u", vb_octet_string[0]);
|
|
buf += len;
|
|
for (i = 1; i < vb_length; i++) {
|
|
len = g_snprintf(buf, 4*vb_length-(buf-vb_display_string), ".%03u",
|
|
vb_octet_string[i]);
|
|
buf += len;
|
|
}
|
|
proto_tree_add_text(snmp_tree, tvb, vb_value_start,
|
|
length,
|
|
"Value: %s: %s", vb_type_name,
|
|
vb_display_string);
|
|
} else {
|
|
proto_tree_add_text(snmp_tree, tvb, vb_value_start,
|
|
length,
|
|
"Value: %s: %s", vb_type_name,
|
|
SAFE_STRING(vb_octet_string, vb_length));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SNMP_NULL:
|
|
dissect_ber_null(FALSE, pinfo, NULL, tvb, start, -1);
|
|
length = offset - vb_value_start;
|
|
if (snmp_tree) {
|
|
proto_tree_add_text(snmp_tree, tvb, vb_value_start, length,
|
|
"Value: %s", vb_type_name);
|
|
}
|
|
break;
|
|
|
|
case SNMP_OBJECTID:
|
|
/* XXX Redo this using dissect_ber_object_identifier when
|
|
it returns tvb or some other binary form of an OID */
|
|
oid_buf = tvb_get_ptr(tvb, vb_value_start, vb_length);
|
|
vb_oid = ep_alloc((vb_length+1) * sizeof(gulong));
|
|
vb_oid_length = oid_to_subid_buf(oid_buf, vb_length, vb_oid, ((vb_length+1) * sizeof(gulong)));
|
|
|
|
offset = offset + vb_length;
|
|
length = offset - vb_value_start;
|
|
if (snmp_tree) {
|
|
#ifdef HAVE_SOME_SNMP
|
|
variable.val.objid = vb_oid;
|
|
vb_display_string = format_var(&variable,
|
|
variable_oid, variable_oid_length, vb_type,
|
|
vb_oid_length * sizeof (subid_t));
|
|
if (vb_display_string != NULL) {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s", vb_display_string);
|
|
} else {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s: [Out of memory]", vb_type_name);
|
|
}
|
|
#else /* HAVE_SOME_SNMP */
|
|
vb_display_string = format_oid(vb_oid, vb_oid_length);
|
|
if (vb_display_string != NULL) {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s: %s", vb_type_name,
|
|
vb_display_string);
|
|
} else {
|
|
proto_tree_add_text(snmp_tree, tvb,
|
|
vb_value_start, length,
|
|
"Value: %s: [Out of memory]", vb_type_name);
|
|
}
|
|
#endif /* HAVE_SOME_SNMP */
|
|
}
|
|
break;
|
|
|
|
case SNMP_NOSUCHOBJECT:
|
|
length = offset - start;
|
|
if (snmp_tree) {
|
|
proto_tree_add_text(snmp_tree, tvb, offset, length,
|
|
"Value: %s: no such object", vb_type_name);
|
|
}
|
|
break;
|
|
|
|
case SNMP_NOSUCHINSTANCE:
|
|
length = offset - start;
|
|
if (snmp_tree) {
|
|
proto_tree_add_text(snmp_tree, tvb, offset, length,
|
|
"Value: %s: no such instance", vb_type_name);
|
|
}
|
|
break;
|
|
|
|
case SNMP_ENDOFMIBVIEW:
|
|
length = offset - start;
|
|
if (snmp_tree) {
|
|
proto_tree_add_text(snmp_tree, tvb, offset, length,
|
|
"Value: %s: end of mib view", vb_type_name);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DISSECTOR_ASSERT_NOT_REACHED();
|
|
return;
|
|
}
|
|
length = offset - start;
|
|
*lengthp = length;
|
|
return;
|
|
}
|
|
|
|
|
|
/*--- Included file: packet-snmp-fn.c ---*/
|
|
#line 1 "packet-snmp-fn.c"
|
|
/*--- Fields for imported types ---*/
|
|
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_ObjectName(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_object_identifier(implicit_tag, pinfo, tree, tvb, offset, hf_index, &oid_tvb);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_name(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ObjectName(FALSE, tvb, offset, pinfo, tree, hf_snmp_name);
|
|
}
|
|
static int dissect_subtree(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ObjectName(FALSE, tvb, offset, pinfo, tree, hf_snmp_subtree);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_NotificationName(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_object_identifier(implicit_tag, pinfo, tree, tvb, offset, hf_index, NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Integer_value(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 233 "snmp.cnf"
|
|
guint length;
|
|
|
|
snmp_variable_decode(tvb, tree, pinfo, oid_tvb, offset, &length, NULL);
|
|
offset = offset + length;
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_integer_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Integer_value(FALSE, tvb, offset, pinfo, tree, hf_snmp_integer_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_String_value(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 227 "snmp.cnf"
|
|
guint length;
|
|
|
|
snmp_variable_decode(tvb, tree, pinfo, oid_tvb, offset, &length, &value_tvb);
|
|
offset = offset + length;
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_string_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_String_value(FALSE, tvb, offset, pinfo, tree, hf_snmp_string_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_ObjectID_value(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 239 "snmp.cnf"
|
|
guint length;
|
|
|
|
snmp_variable_decode(tvb, tree, pinfo, oid_tvb, offset, &length, NULL);
|
|
offset = offset + length;
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_objectID_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ObjectID_value(FALSE, tvb, offset, pinfo, tree, hf_snmp_objectID_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Empty(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 245 "snmp.cnf"
|
|
guint length;
|
|
|
|
snmp_variable_decode(tvb, tree, pinfo, oid_tvb, offset, &length, NULL);
|
|
offset = offset + length;
|
|
|
|
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_empty(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Empty(FALSE, tvb, offset, pinfo, tree, hf_snmp_empty);
|
|
}
|
|
|
|
|
|
static const value_string snmp_SimpleSyntax_vals[] = {
|
|
{ 0, "integer-value" },
|
|
{ 1, "string-value" },
|
|
{ 2, "objectID-value" },
|
|
{ 3, "empty" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t SimpleSyntax_choice[] = {
|
|
{ 0, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_integer_value },
|
|
{ 1, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_string_value },
|
|
{ 2, BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_objectID_value },
|
|
{ 3, BER_CLASS_UNI, BER_UNI_TAG_NULL, BER_FLAGS_NOOWNTAG, dissect_empty },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_SimpleSyntax(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
SimpleSyntax_choice, hf_index, ett_snmp_SimpleSyntax,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_simple(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_SimpleSyntax(FALSE, tvb, offset, pinfo, tree, hf_snmp_simple);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_IpAddress(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_ipAddress_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_IpAddress(FALSE, tvb, offset, pinfo, tree, hf_snmp_ipAddress_value);
|
|
}
|
|
static int dissect_internet(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_IpAddress(FALSE, tvb, offset, pinfo, tree, hf_snmp_internet);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Counter32(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_counter_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Counter32(FALSE, tvb, offset, pinfo, tree, hf_snmp_counter_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_TimeTicks(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_timeticks_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_TimeTicks(FALSE, tvb, offset, pinfo, tree, hf_snmp_timeticks_value);
|
|
}
|
|
static int dissect_time_stamp(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_TimeTicks(FALSE, tvb, offset, pinfo, tree, hf_snmp_time_stamp);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Opaque(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_arbitrary_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Opaque(FALSE, tvb, offset, pinfo, tree, hf_snmp_arbitrary_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Counter64(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_big_counter_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Counter64(FALSE, tvb, offset, pinfo, tree, hf_snmp_big_counter_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Unsigned32(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_unsigned_integer_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Unsigned32(FALSE, tvb, offset, pinfo, tree, hf_snmp_unsigned_integer_value);
|
|
}
|
|
|
|
|
|
static const value_string snmp_ApplicationSyntax_vals[] = {
|
|
{ 0, "ipAddress-value" },
|
|
{ 1, "counter-value" },
|
|
{ 3, "timeticks-value" },
|
|
{ 4, "arbitrary-value" },
|
|
{ 6, "big-counter-value" },
|
|
{ 2, "unsigned-integer-value" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t ApplicationSyntax_choice[] = {
|
|
{ 0, BER_CLASS_APP, 0, BER_FLAGS_NOOWNTAG, dissect_ipAddress_value },
|
|
{ 1, BER_CLASS_APP, 1, BER_FLAGS_NOOWNTAG, dissect_counter_value },
|
|
{ 3, BER_CLASS_APP, 3, BER_FLAGS_NOOWNTAG, dissect_timeticks_value },
|
|
{ 4, BER_CLASS_APP, 4, BER_FLAGS_NOOWNTAG, dissect_arbitrary_value },
|
|
{ 6, BER_CLASS_APP, 6, BER_FLAGS_NOOWNTAG, dissect_big_counter_value },
|
|
{ 2, BER_CLASS_APP, 2, BER_FLAGS_NOOWNTAG, dissect_unsigned_integer_value },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_ApplicationSyntax(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
ApplicationSyntax_choice, hf_index, ett_snmp_ApplicationSyntax,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_application_wide(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ApplicationSyntax(FALSE, tvb, offset, pinfo, tree, hf_snmp_application_wide);
|
|
}
|
|
|
|
|
|
static const value_string snmp_ObjectSyntax_vals[] = {
|
|
{ -1/*choice*/, "simple" },
|
|
{ -1/*choice*/, "application-wide" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t ObjectSyntax_choice[] = {
|
|
{ -1/*choice*/, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_simple },
|
|
{ -1/*choice*/, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_application_wide },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_ObjectSyntax(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
ObjectSyntax_choice, hf_index, ett_snmp_ObjectSyntax,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_value(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ObjectSyntax(FALSE, tvb, offset, pinfo, tree, hf_snmp_value);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Integer32(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_bulkPDU_request_id(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Integer32(FALSE, tvb, offset, pinfo, tree, hf_snmp_bulkPDU_request_id);
|
|
}
|
|
|
|
|
|
static const value_string snmp_NetworkAddress_vals[] = {
|
|
{ 0, "internet" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t NetworkAddress_choice[] = {
|
|
{ 0, BER_CLASS_APP, 0, BER_FLAGS_NOOWNTAG, dissect_internet },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_NetworkAddress(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
NetworkAddress_choice, hf_index, ett_snmp_NetworkAddress,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_agent_addr(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_NetworkAddress(FALSE, tvb, offset, pinfo, tree, hf_snmp_agent_addr);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Gauge32(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string snmp_Version_vals[] = {
|
|
{ 0, "version-1" },
|
|
{ 1, "v2c" },
|
|
{ 2, "v2u" },
|
|
{ 3, "snmpv3" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_Version(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_version(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Version(FALSE, tvb, offset, pinfo, tree, hf_snmp_version);
|
|
}
|
|
static int dissect_msgVersion(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_Version(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgVersion);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_OCTET_STRING(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_community(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_community);
|
|
}
|
|
static int dissect_parameters(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_parameters);
|
|
}
|
|
static int dissect_encrypted(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_encrypted);
|
|
}
|
|
static int dissect_msgAuthenticationParameters(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgAuthenticationParameters);
|
|
}
|
|
static int dissect_msgPrivacyParameters(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgPrivacyParameters);
|
|
}
|
|
static int dissect_encryptedPDU(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_encryptedPDU);
|
|
}
|
|
static int dissect_contextEngineID(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_contextEngineID);
|
|
}
|
|
static int dissect_contextName(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_contextName);
|
|
}
|
|
static int dissect_password(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING(FALSE, tvb, offset, pinfo, tree, hf_snmp_password);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_INTEGER(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_request_id(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_snmp_request_id);
|
|
}
|
|
static int dissect_error_index(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_snmp_error_index);
|
|
}
|
|
static int dissect_specific_trap(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER(FALSE, tvb, offset, pinfo, tree, hf_snmp_specific_trap);
|
|
}
|
|
|
|
|
|
static const value_string snmp_T_error_status_vals[] = {
|
|
{ 0, "noError" },
|
|
{ 1, "tooBig" },
|
|
{ 2, "noSuchName" },
|
|
{ 3, "badValue" },
|
|
{ 4, "readOnly" },
|
|
{ 5, "genErr" },
|
|
{ 6, "noAccess" },
|
|
{ 7, "wrongType" },
|
|
{ 8, "wrongLength" },
|
|
{ 9, "wrongEncoding" },
|
|
{ 10, "wrongValue" },
|
|
{ 11, "noCreation" },
|
|
{ 12, "inconsistentValue" },
|
|
{ 13, "resourceUnavailable" },
|
|
{ 14, "commitFailed" },
|
|
{ 15, "undoFailed" },
|
|
{ 16, "authorizationError" },
|
|
{ 17, "notWritable" },
|
|
{ 18, "inconsistentName" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_error_status(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_error_status(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_error_status(FALSE, tvb, offset, pinfo, tree, hf_snmp_error_status);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_NULL(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_null(implicit_tag, pinfo, tree, tvb, offset, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_unSpecified(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_NULL(FALSE, tvb, offset, pinfo, tree, hf_snmp_unSpecified);
|
|
}
|
|
static int dissect_noSuchObject_impl(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_NULL(TRUE, tvb, offset, pinfo, tree, hf_snmp_noSuchObject);
|
|
}
|
|
static int dissect_noSuchInstance_impl(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_NULL(TRUE, tvb, offset, pinfo, tree, hf_snmp_noSuchInstance);
|
|
}
|
|
static int dissect_endOfMibView_impl(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_NULL(TRUE, tvb, offset, pinfo, tree, hf_snmp_endOfMibView);
|
|
}
|
|
|
|
|
|
static const value_string snmp_ValueType_vals[] = {
|
|
{ 0, "value" },
|
|
{ 1, "unSpecified" },
|
|
{ 2, "noSuchObject" },
|
|
{ 3, "noSuchInstance" },
|
|
{ 4, "endOfMibView" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t ValueType_choice[] = {
|
|
{ 0, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_value },
|
|
{ 1, BER_CLASS_UNI, BER_UNI_TAG_NULL, BER_FLAGS_NOOWNTAG, dissect_unSpecified },
|
|
{ 2, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_noSuchObject_impl },
|
|
{ 3, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_noSuchInstance_impl },
|
|
{ 4, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_endOfMibView_impl },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_ValueType(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
ValueType_choice, hf_index, ett_snmp_ValueType,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_valueType(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ValueType(FALSE, tvb, offset, pinfo, tree, hf_snmp_valueType);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t VarBind_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_name },
|
|
{ BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_valueType },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_VarBind(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 213 "snmp.cnf"
|
|
oid_tvb = NULL;
|
|
value_tvb = NULL;
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
VarBind_sequence, hf_index, ett_snmp_VarBind);
|
|
|
|
if (oid_tvb && value_tvb) {
|
|
next_tvb_add_string(&var_list, value_tvb, (snmp_var_in_tree) ? tree : NULL,
|
|
variable_oid_dissector_table,
|
|
oid_to_str(tvb_get_ptr(oid_tvb, 0, tvb_length(oid_tvb)), tvb_length(oid_tvb)));
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_VarBindList_item(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_VarBind(FALSE, tvb, offset, pinfo, tree, hf_snmp_VarBindList_item);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t VarBindList_sequence_of[1] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_VarBindList_item },
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_VarBindList(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence_of(implicit_tag, pinfo, tree, tvb, offset,
|
|
VarBindList_sequence_of, hf_index, ett_snmp_VarBindList);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_variable_bindings(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_VarBindList(FALSE, tvb, offset, pinfo, tree, hf_snmp_variable_bindings);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t PDU_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_request_id },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_error_status },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_error_index },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_variable_bindings },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
PDU_sequence, hf_index, ett_snmp_PDU);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_GetRequest_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_get_request(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 31 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_get_request(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_get_request(FALSE, tvb, offset, pinfo, tree, hf_snmp_get_request);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_GetNextRequest_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_get_next_request(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 46 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_get_next_request(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_get_next_request(FALSE, tvb, offset, pinfo, tree, hf_snmp_get_next_request);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_GetResponse_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_get_response(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 61 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_get_response(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_get_response(FALSE, tvb, offset, pinfo, tree, hf_snmp_get_response);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_SetRequest_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_set_request(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 76 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_set_request(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_set_request(FALSE, tvb, offset, pinfo, tree, hf_snmp_set_request);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_OBJECT_IDENTIFIER(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_object_identifier(implicit_tag, pinfo, tree, tvb, offset, hf_index, NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_enterprise(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OBJECT_IDENTIFIER(FALSE, tvb, offset, pinfo, tree, hf_snmp_enterprise);
|
|
}
|
|
static int dissect_identity(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OBJECT_IDENTIFIER(FALSE, tvb, offset, pinfo, tree, hf_snmp_identity);
|
|
}
|
|
|
|
|
|
static const value_string snmp_T_generic_trap_vals[] = {
|
|
{ 0, "coldStart" },
|
|
{ 1, "warmStart" },
|
|
{ 2, "linkDown" },
|
|
{ 3, "linkUp" },
|
|
{ 4, "authenticationFailure" },
|
|
{ 5, "egpNeighborLoss" },
|
|
{ 6, "enterpriseSpecific" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_generic_trap(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_generic_trap(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_generic_trap(FALSE, tvb, offset, pinfo, tree, hf_snmp_generic_trap);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Trap_PDU_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_enterprise },
|
|
{ BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_agent_addr },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_generic_trap },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_specific_trap },
|
|
{ BER_CLASS_APP, 3, BER_FLAGS_NOOWNTAG, dissect_time_stamp },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_variable_bindings },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_Trap_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
Trap_PDU_sequence, hf_index, ett_snmp_Trap_PDU);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_trap(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 92 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_Trap_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_trap(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_trap(FALSE, tvb, offset, pinfo, tree, hf_snmp_trap);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_INTEGER_0_2147483647(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgAuthoritativeEngineBoots(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_0_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgAuthoritativeEngineBoots);
|
|
}
|
|
static int dissect_msgAuthoritativeEngineTime(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_0_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgAuthoritativeEngineTime);
|
|
}
|
|
static int dissect_msgID(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_0_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgID);
|
|
}
|
|
static int dissect_non_repeaters(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_0_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_non_repeaters);
|
|
}
|
|
static int dissect_max_repetitions(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_0_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_max_repetitions);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t BulkPDU_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_bulkPDU_request_id },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_non_repeaters },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_max_repetitions },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_variable_bindings },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_BulkPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
BulkPDU_sequence, hf_index, ett_snmp_BulkPDU);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_GetBulkRequest_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_BulkPDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_getBulkRequest(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 107 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_GetBulkRequest_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_getBulkRequest(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_getBulkRequest(FALSE, tvb, offset, pinfo, tree, hf_snmp_getBulkRequest);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_InformRequest_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_informRequest(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 122 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_InformRequest_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_informRequest(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_informRequest(FALSE, tvb, offset, pinfo, tree, hf_snmp_informRequest);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_SNMPv2_Trap_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_sNMPv2_Trap(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 137 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_SNMPv2_Trap_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_sNMPv2_Trap(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_sNMPv2_Trap(FALSE, tvb, offset, pinfo, tree, hf_snmp_sNMPv2_Trap);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_Report_PDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_snmp_PDU(implicit_tag, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_report(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 152 "snmp.cnf"
|
|
gint8 class;
|
|
gboolean pc, ind_field;
|
|
gint32 tag;
|
|
guint32 len1;
|
|
|
|
if(!implicit_tag){
|
|
/* XXX asn2wrs can not yet handle tagged assignment yes so this
|
|
* XXX is some conformance file magic to work around that bug
|
|
*/
|
|
offset = get_ber_identifier(tvb, offset, &class, &pc, &tag);
|
|
offset = get_ber_length(tree, tvb, offset, &len1, &ind_field);
|
|
}
|
|
offset = dissect_snmp_Report_PDU(TRUE, tvb, offset, pinfo, tree, hf_index);
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_report(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_report(FALSE, tvb, offset, pinfo, tree, hf_snmp_report);
|
|
}
|
|
|
|
|
|
static const value_string snmp_PDUs_vals[] = {
|
|
{ 0, "get-request" },
|
|
{ 1, "get-next-request" },
|
|
{ 2, "get-response" },
|
|
{ 3, "set-request" },
|
|
{ 4, "trap" },
|
|
{ 5, "getBulkRequest" },
|
|
{ 6, "informRequest" },
|
|
{ 7, "sNMPv2-Trap" },
|
|
{ 8, "report" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t PDUs_choice[] = {
|
|
{ 0, BER_CLASS_CON, 0, BER_FLAGS_NOOWNTAG, dissect_get_request },
|
|
{ 1, BER_CLASS_CON, 1, BER_FLAGS_NOOWNTAG, dissect_get_next_request },
|
|
{ 2, BER_CLASS_CON, 2, BER_FLAGS_NOOWNTAG, dissect_get_response },
|
|
{ 3, BER_CLASS_CON, 3, BER_FLAGS_NOOWNTAG, dissect_set_request },
|
|
{ 4, BER_CLASS_CON, 4, BER_FLAGS_NOOWNTAG, dissect_trap },
|
|
{ 5, BER_CLASS_CON, 5, BER_FLAGS_NOOWNTAG, dissect_getBulkRequest },
|
|
{ 6, BER_CLASS_CON, 6, BER_FLAGS_NOOWNTAG, dissect_informRequest },
|
|
{ 7, BER_CLASS_CON, 7, BER_FLAGS_NOOWNTAG, dissect_sNMPv2_Trap },
|
|
{ 8, BER_CLASS_CON, 8, BER_FLAGS_NOOWNTAG, dissect_report },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_PDUs(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 23 "snmp.cnf"
|
|
|
|
gint pdu_type;
|
|
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
PDUs_choice, hf_index, ett_snmp_PDUs,
|
|
&pdu_type);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(pdu_type, snmp_PDUs_vals,"Unknown PDU type (%u)"));
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_data(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_PDUs(FALSE, tvb, offset, pinfo, tree, hf_snmp_data);
|
|
}
|
|
static int dissect_v2u_plaintext(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_PDUs(FALSE, tvb, offset, pinfo, tree, hf_snmp_v2u_plaintext);
|
|
}
|
|
static int dissect_pDUs(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_PDUs(FALSE, tvb, offset, pinfo, tree, hf_snmp_pDUs);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Message_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_version },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_community },
|
|
{ BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_data },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_Message(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
Message_sequence, hf_index, ett_snmp_Message);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string snmp_T_datav2u_vals[] = {
|
|
{ 0, "plaintext" },
|
|
{ 1, "encrypted" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t T_datav2u_choice[] = {
|
|
{ 0, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_v2u_plaintext },
|
|
{ 1, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_encrypted },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_T_datav2u(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
T_datav2u_choice, hf_index, ett_snmp_T_datav2u,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_datav2u(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_datav2u(FALSE, tvb, offset, pinfo, tree, hf_snmp_datav2u);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t Messagev2u_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_version },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_parameters },
|
|
{ BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_datav2u },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_Messagev2u(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
Messagev2u_sequence, hf_index, ett_snmp_Messagev2u);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_SnmpEngineID(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 189 "snmp.cnf"
|
|
tvbuff_t *parameter_tvb = NULL;
|
|
proto_tree *engineid_tree = NULL;
|
|
proto_item *item = NULL;
|
|
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
¶meter_tvb);
|
|
|
|
if (parameter_tvb)
|
|
dissect_snmp_engineid(tree, parameter_tvb, 0, tvb_length_remaining(parameter_tvb,0));
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgAuthoritativeEngineID(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_SnmpEngineID(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgAuthoritativeEngineID);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_OCTET_STRING_SIZE_1_32(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgUserName(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OCTET_STRING_SIZE_1_32(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgUserName);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t UsmSecurityParameters_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_msgAuthoritativeEngineID },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_msgAuthoritativeEngineBoots },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_msgAuthoritativeEngineTime },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_msgUserName },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_msgAuthenticationParameters },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_msgPrivacyParameters },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_UsmSecurityParameters(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
UsmSecurityParameters_sequence, hf_index, ett_snmp_UsmSecurityParameters);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_INTEGER_484_2147483647(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgMaxSize(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_484_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgMaxSize);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_msgFlags(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 202 "snmp.cnf"
|
|
tvbuff_t *parameter_tvb = NULL;
|
|
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
¶meter_tvb);
|
|
|
|
if (parameter_tvb){
|
|
|
|
proto_tree_add_item(tree, hf_snmp_v3_flags_report, parameter_tvb, 0, 1, FALSE);
|
|
proto_tree_add_item(tree, hf_snmp_v3_flags_crypt, parameter_tvb, 0, 1, FALSE);
|
|
proto_tree_add_item(tree, hf_snmp_v3_flags_auth, parameter_tvb, 0, 1, FALSE);
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgFlags(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_msgFlags(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgFlags);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_msgSecurityModel(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
&MsgSecurityModel);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgSecurityModel(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_msgSecurityModel(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgSecurityModel);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t HeaderData_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_msgID },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_msgMaxSize },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_msgFlags },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_msgSecurityModel },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_HeaderData(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
HeaderData_sequence, hf_index, ett_snmp_HeaderData);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgGlobalData(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_HeaderData(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgGlobalData);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_msgSecurityParameters(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
#line 171 "snmp.cnf"
|
|
|
|
switch(MsgSecurityModel){
|
|
case SNMP_SEC_USM: /* 3 */
|
|
offset = dissect_snmp_UsmSecurityParameters(FALSE, tvb, offset+2, pinfo, tree, -1);
|
|
break;
|
|
case SNMP_SEC_ANY: /* 0 */
|
|
case SNMP_SEC_V1: /* 1 */
|
|
case SNMP_SEC_V2C: /* 2 */
|
|
default:
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
break;
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgSecurityParameters(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_msgSecurityParameters(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgSecurityParameters);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t ScopedPDU_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_contextEngineID },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_contextName },
|
|
{ BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_data },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_ScopedPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
ScopedPDU_sequence, hf_index, ett_snmp_ScopedPDU);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_plaintext(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ScopedPDU(FALSE, tvb, offset, pinfo, tree, hf_snmp_plaintext);
|
|
}
|
|
|
|
|
|
static const value_string snmp_ScopedPduData_vals[] = {
|
|
{ 0, "plaintext" },
|
|
{ 1, "encryptedPDU" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t ScopedPduData_choice[] = {
|
|
{ 0, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_plaintext },
|
|
{ 1, BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_encryptedPDU },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_ScopedPduData(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
ScopedPduData_choice, hf_index, ett_snmp_ScopedPduData,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_msgData(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ScopedPduData(FALSE, tvb, offset, pinfo, tree, hf_snmp_msgData);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t SNMPv3Message_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_msgVersion },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_msgGlobalData },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_msgSecurityParameters },
|
|
{ BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_msgData },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_SNMPv3Message(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
SNMPv3Message_sequence, hf_index, ett_snmp_SNMPv3Message);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string snmp_T_smux_version_vals[] = {
|
|
{ 0, "version-1" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_smux_version(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_smux_version(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_smux_version(FALSE, tvb, offset, pinfo, tree, hf_snmp_smux_version);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_DisplayString(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_octet_string(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_description(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_DisplayString(FALSE, tvb, offset, pinfo, tree, hf_snmp_description);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t SimpleOpen_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_smux_version },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_identity },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_description },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_password },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_SimpleOpen(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
SimpleOpen_sequence, hf_index, ett_snmp_SimpleOpen);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_smux_simple(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_SimpleOpen(FALSE, tvb, offset, pinfo, tree, hf_snmp_smux_simple);
|
|
}
|
|
|
|
|
|
static const value_string snmp_OpenPDU_vals[] = {
|
|
{ 0, "smux-simple" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t OpenPDU_choice[] = {
|
|
{ 0, BER_CLASS_APP, 0, BER_FLAGS_NOOWNTAG, dissect_smux_simple },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_OpenPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
OpenPDU_choice, hf_index, ett_snmp_OpenPDU,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_open(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_OpenPDU(FALSE, tvb, offset, pinfo, tree, hf_snmp_open);
|
|
}
|
|
|
|
|
|
static const value_string snmp_ClosePDU_vals[] = {
|
|
{ 0, "goingDown" },
|
|
{ 1, "unsupportedVersion" },
|
|
{ 2, "packetFormat" },
|
|
{ 3, "protocolError" },
|
|
{ 4, "internalError" },
|
|
{ 5, "authenticationFailure" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_ClosePDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_close(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_ClosePDU(FALSE, tvb, offset, pinfo, tree, hf_snmp_close);
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_snmp_INTEGER_M1_2147483647(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_priority(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_INTEGER_M1_2147483647(FALSE, tvb, offset, pinfo, tree, hf_snmp_priority);
|
|
}
|
|
|
|
|
|
static const value_string snmp_T_operation_vals[] = {
|
|
{ 0, "delete" },
|
|
{ 1, "readOnly" },
|
|
{ 2, "readWrite" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_T_operation(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_operation(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_T_operation(FALSE, tvb, offset, pinfo, tree, hf_snmp_operation);
|
|
}
|
|
|
|
|
|
static const ber_sequence_t RReqPDU_sequence[] = {
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_subtree },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_priority },
|
|
{ BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_operation },
|
|
{ 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_RReqPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset,
|
|
RReqPDU_sequence, hf_index, ett_snmp_RReqPDU);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_registerRequest(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_RReqPDU(FALSE, tvb, offset, pinfo, tree, hf_snmp_registerRequest);
|
|
}
|
|
|
|
|
|
static const value_string snmp_RRspPDU_vals[] = {
|
|
{ -1, "failure" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_RRspPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_rRspPDU(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_RRspPDU(FALSE, tvb, offset, pinfo, tree, hf_snmp_rRspPDU);
|
|
}
|
|
|
|
|
|
static const value_string snmp_RegisterResponse_vals[] = {
|
|
{ 0, "rRspPDU" },
|
|
{ 1, "pDUs" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t RegisterResponse_choice[] = {
|
|
{ 0, BER_CLASS_APP, 3, BER_FLAGS_NOOWNTAG, dissect_rRspPDU },
|
|
{ 1, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_pDUs },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_RegisterResponse(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
RegisterResponse_choice, hf_index, ett_snmp_RegisterResponse,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_registerResponse(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_RegisterResponse(FALSE, tvb, offset, pinfo, tree, hf_snmp_registerResponse);
|
|
}
|
|
|
|
|
|
static const value_string snmp_SOutPDU_vals[] = {
|
|
{ 0, "commit" },
|
|
{ 1, "rollback" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_snmp_SOutPDU(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, pinfo, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
static int dissect_commitOrRollback(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset) {
|
|
return dissect_snmp_SOutPDU(FALSE, tvb, offset, pinfo, tree, hf_snmp_commitOrRollback);
|
|
}
|
|
|
|
|
|
static const value_string snmp_SMUX_PDUs_vals[] = {
|
|
{ 0, "open" },
|
|
{ 1, "close" },
|
|
{ 2, "registerRequest" },
|
|
{ 3, "registerResponse" },
|
|
{ 4, "commitOrRollback" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t SMUX_PDUs_choice[] = {
|
|
{ 0, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_open },
|
|
{ 1, BER_CLASS_APP, 1, BER_FLAGS_NOOWNTAG, dissect_close },
|
|
{ 2, BER_CLASS_APP, 2, BER_FLAGS_NOOWNTAG, dissect_registerRequest },
|
|
{ 3, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG, dissect_registerResponse },
|
|
{ 4, BER_CLASS_APP, 4, BER_FLAGS_NOOWNTAG, dissect_commitOrRollback },
|
|
{ 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_snmp_SMUX_PDUs(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree, int hf_index _U_) {
|
|
offset = dissect_ber_choice(pinfo, tree, tvb, offset,
|
|
SMUX_PDUs_choice, hf_index, ett_snmp_SMUX_PDUs,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*--- PDUs ---*/
|
|
|
|
static void dissect_SMUX_PDUs_PDU(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
|
|
dissect_snmp_SMUX_PDUs(FALSE, tvb, 0, pinfo, tree, hf_snmp_SMUX_PDUs_PDU);
|
|
}
|
|
|
|
|
|
/*--- End of included file: packet-snmp-fn.c ---*/
|
|
#line 1044 "packet-snmp-template.c"
|
|
|
|
guint
|
|
dissect_snmp_pdu(tvbuff_t *tvb, int offset, packet_info *pinfo,
|
|
proto_tree *tree, int proto, gint ett, gboolean is_tcp)
|
|
{
|
|
|
|
guint length_remaining;
|
|
gint8 class;
|
|
gboolean pc, ind = 0;
|
|
gint32 tag;
|
|
guint32 len;
|
|
guint message_length;
|
|
int start_offset = offset;
|
|
guint32 version = 0;
|
|
|
|
proto_tree *snmp_tree = NULL;
|
|
proto_item *item = NULL;
|
|
|
|
/*
|
|
* This will throw an exception if we don't have any data left.
|
|
* That's what we want. (See "tcp_dissect_pdus()", which is
|
|
* similar, but doesn't have to deal with ASN.1.
|
|
* XXX - can we make "tcp_dissect_pdus()" provide enough
|
|
* information to the "get_pdu_len" routine so that we could
|
|
* have that routine deal with ASN.1, and just use
|
|
* "tcp_dissect_pdus()"?)
|
|
*/
|
|
length_remaining = tvb_ensure_length_remaining(tvb, offset);
|
|
|
|
/* NOTE: we have to parse the message piece by piece, since the
|
|
* capture length may be less than the message length: a 'global'
|
|
* parsing is likely to fail.
|
|
*/
|
|
|
|
/*
|
|
* If this is SNMP-over-TCP, we might have to do reassembly
|
|
* in order to read the "Sequence Of" header.
|
|
*/
|
|
if (is_tcp && snmp_desegment && pinfo->can_desegment) {
|
|
/*
|
|
* This is TCP, and we should, and can, do reassembly.
|
|
*
|
|
* Is the "Sequence Of" header split across segment
|
|
* boundaries? We requre at least 6 bytes for the
|
|
* header, which allows for a 4-byte length (ASN.1
|
|
* BER).
|
|
*/
|
|
if (length_remaining < 6) {
|
|
pinfo->desegment_offset = offset;
|
|
pinfo->desegment_len = 6 - length_remaining;
|
|
|
|
/*
|
|
* Return 0, which means "I didn't dissect anything
|
|
* because I don't have enough data - we need
|
|
* to desegment".
|
|
*/
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* OK, try to read the "Sequence Of" header; this gets the total
|
|
* length of the SNMP message.
|
|
*/
|
|
/* Set tree to 0 to not display internakl BER fields if option used.*/
|
|
offset = dissect_ber_identifier(pinfo, 0, tvb, offset, &class, &pc, &tag);
|
|
offset = dissect_ber_length(pinfo, 0, tvb, offset, &len, &ind);
|
|
|
|
message_length = len + 2;
|
|
offset = dissect_ber_integer(FALSE, pinfo, 0, tvb, offset, -1, &version);
|
|
|
|
|
|
/*
|
|
* If this is SNMP-over-TCP, we might have to do reassembly
|
|
* to get all of this message.
|
|
*/
|
|
if (is_tcp && snmp_desegment && pinfo->can_desegment) {
|
|
/*
|
|
* Yes - is the message split across segment boundaries?
|
|
*/
|
|
if (length_remaining < message_length) {
|
|
/*
|
|
* Yes. Tell the TCP dissector where the data
|
|
* for this message starts in the data it handed
|
|
* us, and how many more bytes we need, and
|
|
* return.
|
|
*/
|
|
pinfo->desegment_offset = start_offset;
|
|
pinfo->desegment_len =
|
|
message_length - length_remaining;
|
|
|
|
/*
|
|
* Return 0, which means "I didn't dissect anything
|
|
* because I don't have enough data - we need
|
|
* to desegment".
|
|
*/
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
next_tvb_init(&var_list);
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL)) {
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL,
|
|
proto_get_protocol_short_name(find_protocol_by_id(proto)));
|
|
}
|
|
|
|
if (tree) {
|
|
item = proto_tree_add_item(tree, proto, tvb, offset,
|
|
message_length, FALSE);
|
|
snmp_tree = proto_item_add_subtree(item, ett);
|
|
}
|
|
|
|
switch (version){
|
|
case 0: /* v1 */
|
|
case 1: /* v2c */
|
|
offset = dissect_snmp_Message(FALSE , tvb, start_offset, pinfo, snmp_tree, -1);
|
|
break;
|
|
case 2: /* v2u */
|
|
offset = dissect_snmp_Messagev2u(FALSE , tvb, start_offset, pinfo, snmp_tree, -1);
|
|
break;
|
|
/* v3 */
|
|
case 3:
|
|
offset = dissect_snmp_SNMPv3Message(FALSE , tvb, start_offset, pinfo, snmp_tree, -1);
|
|
break;
|
|
default:
|
|
/*
|
|
* Return the length remaining in the tvbuff, so
|
|
* if this is SNMP-over-TCP, our caller thinks there's
|
|
* nothing left to dissect.
|
|
*/
|
|
proto_tree_add_text(snmp_tree, tvb, offset, -1,"Unknown version");
|
|
return length_remaining;
|
|
break;
|
|
}
|
|
|
|
next_tvb_call(&var_list, pinfo, tree, NULL, data_handle);
|
|
|
|
return offset;
|
|
}
|
|
|
|
static gint
|
|
dissect_snmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
conversation_t *conversation;
|
|
int offset;
|
|
gint8 tmp_class;
|
|
gboolean tmp_pc;
|
|
gint32 tmp_tag;
|
|
guint32 tmp_length;
|
|
gboolean tmp_ind;
|
|
|
|
/*
|
|
* See if this looks like SNMP or not. if not, return 0 so
|
|
* wireshark can try som other dissector instead.
|
|
*/
|
|
/* All SNMP packets are BER encoded and consist of a SEQUENCE
|
|
* that spans the entire PDU. The first item is an INTEGER that
|
|
* has the values 0-2 (version 1-3).
|
|
* if not it is not snmp.
|
|
*/
|
|
/* SNMP starts with a SEQUENCE */
|
|
offset = get_ber_identifier(tvb, 0, &tmp_class, &tmp_pc, &tmp_tag);
|
|
if((tmp_class!=BER_CLASS_UNI)||(tmp_tag!=BER_UNI_TAG_SEQUENCE)){
|
|
return 0;
|
|
}
|
|
/* then comes a length which spans the rest of the tvb */
|
|
offset = get_ber_length(NULL, tvb, offset, &tmp_length, &tmp_ind);
|
|
if(tmp_length!=(guint32)tvb_reported_length_remaining(tvb, offset)){
|
|
return 0;
|
|
}
|
|
/* then comes an INTEGER (version)*/
|
|
offset = get_ber_identifier(tvb, offset, &tmp_class, &tmp_pc, &tmp_tag);
|
|
if((tmp_class!=BER_CLASS_UNI)||(tmp_tag!=BER_UNI_TAG_INTEGER)){
|
|
return 0;
|
|
}
|
|
/* do we need to test that version is 0 - 2 (version1-3) ? */
|
|
|
|
|
|
/*
|
|
* The first SNMP packet goes to the SNMP port; the second one
|
|
* may come from some *other* port, but goes back to the same
|
|
* IP address and port as the ones from which the first packet
|
|
* came; all subsequent packets presumably go between those two
|
|
* IP addresses and ports.
|
|
*
|
|
* If this packet went to the SNMP port, we check to see if
|
|
* there's already a conversation with one address/port pair
|
|
* matching the source IP address and port of this packet,
|
|
* the other address matching the destination IP address of this
|
|
* packet, and any destination port.
|
|
*
|
|
* If not, we create one, with its address 1/port 1 pair being
|
|
* the source address/port of this packet, its address 2 being
|
|
* the destination address of this packet, and its port 2 being
|
|
* wildcarded, and give it the SNMP dissector as a dissector.
|
|
*/
|
|
if (pinfo->destport == UDP_PORT_SNMP) {
|
|
conversation = find_conversation(pinfo->fd->num, &pinfo->src, &pinfo->dst, PT_UDP,
|
|
pinfo->srcport, 0, NO_PORT_B);
|
|
if( (conversation == NULL) || (conversation->dissector_handle!=snmp_handle) ){
|
|
conversation = conversation_new(pinfo->fd->num, &pinfo->src, &pinfo->dst, PT_UDP,
|
|
pinfo->srcport, 0, NO_PORT2);
|
|
conversation_set_dissector(conversation, snmp_handle);
|
|
}
|
|
}
|
|
|
|
return dissect_snmp_pdu(tvb, 0, pinfo, tree, proto_snmp, ett_snmp, FALSE);
|
|
}
|
|
static void
|
|
dissect_snmp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
int offset = 0;
|
|
guint message_len;
|
|
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
message_len = dissect_snmp_pdu(tvb, 0, pinfo, tree,
|
|
proto_snmp, ett_snmp, TRUE);
|
|
if (message_len == 0) {
|
|
/*
|
|
* We don't have all the data for that message,
|
|
* so we need to do desegmentation;
|
|
* "dissect_snmp_pdu()" has set that up.
|
|
*/
|
|
break;
|
|
}
|
|
offset += message_len;
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_smux(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *smux_tree = NULL;
|
|
proto_item *item = NULL;
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMUX");
|
|
|
|
if (tree) {
|
|
item = proto_tree_add_item(tree, proto_smux, tvb, 0, -1, FALSE);
|
|
smux_tree = proto_item_add_subtree(item, ett_smux);
|
|
}
|
|
|
|
dissect_SMUX_PDUs_PDU(tvb, pinfo, tree);
|
|
}
|
|
|
|
static void
|
|
process_prefs(void)
|
|
{
|
|
#ifdef HAVE_SOME_SNMP
|
|
gchar *tmp_mib_modules;
|
|
static gboolean mibs_loaded = FALSE;
|
|
|
|
if (mibs_loaded) {
|
|
/*
|
|
* Unload the MIBs, as we'll be reloading them based on
|
|
* the current preference setting.
|
|
*/
|
|
shutdown_mib(); /* unload MIBs */
|
|
}
|
|
|
|
/*
|
|
* Cannot check if MIBS is already set, as it could be set by Wireshark.
|
|
*
|
|
* If we have a list of modules to load, put that list in MIBS,
|
|
* otherwise clear MIBS.
|
|
*/
|
|
if (mib_modules != NULL) {
|
|
tmp_mib_modules = g_strconcat("MIBS=", mib_modules, NULL);
|
|
/*
|
|
* Try to be clever and replace colons for semicolons under
|
|
* Windows. Do the converse on non-Windows systems. This
|
|
* handles cases where we've copied a preferences file
|
|
* between a non-Windows box and a Windows box or upgraded
|
|
* from an older version of Wireshark under Windows.
|
|
*/
|
|
g_strdelimit(tmp_mib_modules, IMPORT_SEPARATOR, ENV_SEPARATOR_CHAR);
|
|
|
|
#ifdef _WIN32
|
|
_putenv(tmp_mib_modules);
|
|
#else
|
|
putenv(tmp_mib_modules);
|
|
#endif /*_WIN32*/
|
|
} else {
|
|
#ifdef _WIN32
|
|
_putenv("MIBS");
|
|
#else
|
|
putenv("MIBS");
|
|
#endif /* _WIN32 */
|
|
}
|
|
|
|
/*
|
|
* Load the MIBs.
|
|
*/
|
|
register_mib_handlers();
|
|
read_premib_configs();
|
|
init_mib();
|
|
read_configs();
|
|
mibs_loaded = TRUE;
|
|
#endif /* HAVE_SOME_SNMP */
|
|
}
|
|
/*--- proto_register_snmp -------------------------------------------*/
|
|
void proto_register_snmp(void) {
|
|
|
|
#if defined(_WIN32) && defined(HAVE_SOME_SNMP)
|
|
char *mib_path;
|
|
int mib_path_len;
|
|
#define MIB_PATH_APPEND "snmp\\mibs"
|
|
#endif
|
|
gchar *tmp_mib_modules;
|
|
|
|
/* List of fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_snmp_v3_flags_auth,
|
|
{ "Authenticated", "snmp.v3.flags.auth", FT_BOOLEAN, 8,
|
|
TFS(&flags_set_truth), TH_AUTH, "", HFILL }},
|
|
{ &hf_snmp_v3_flags_crypt,
|
|
{ "Encrypted", "snmp.v3.flags.crypt", FT_BOOLEAN, 8,
|
|
TFS(&flags_set_truth), TH_CRYPT, "", HFILL }},
|
|
{ &hf_snmp_v3_flags_report,
|
|
{ "Reportable", "snmp.v3.flags.report", FT_BOOLEAN, 8,
|
|
TFS(&flags_set_truth), TH_REPORT, "", HFILL }},
|
|
{ &hf_snmp_engineid_conform, {
|
|
"Engine ID Conformance", "snmp.engineid.conform", FT_BOOLEAN, 8,
|
|
TFS(&tfs_snmp_engineid_conform), F_SNMP_ENGINEID_CONFORM, "Engine ID RFC3411 Conformance", HFILL }},
|
|
{ &hf_snmp_engineid_enterprise, {
|
|
"Engine Enterprise ID", "snmp.engineid.enterprise", FT_UINT32, BASE_DEC,
|
|
VALS(sminmpec_values), 0, "Engine Enterprise ID", HFILL }},
|
|
{ &hf_snmp_engineid_format, {
|
|
"Engine ID Format", "snmp.engineid.format", FT_UINT8, BASE_DEC,
|
|
VALS(snmp_engineid_format_vals), 0, "Engine ID Format", HFILL }},
|
|
{ &hf_snmp_engineid_ipv4, {
|
|
"Engine ID Data: IPv4 address", "snmp.engineid.ipv4", FT_IPv4, BASE_NONE,
|
|
NULL, 0, "Engine ID Data: IPv4 address", HFILL }},
|
|
{ &hf_snmp_engineid_ipv6, {
|
|
"Engine ID Data: IPv6 address", "snmp.engineid.ipv6", FT_IPv6, BASE_NONE,
|
|
NULL, 0, "Engine ID Data: IPv6 address", HFILL }},
|
|
{ &hf_snmp_engineid_mac, {
|
|
"Engine ID Data: MAC address", "snmp.engineid.mac", FT_ETHER, BASE_NONE,
|
|
NULL, 0, "Engine ID Data: MAC address", HFILL }},
|
|
{ &hf_snmp_engineid_text, {
|
|
"Engine ID Data: Text", "snmp.engineid.text", FT_STRING, BASE_NONE,
|
|
NULL, 0, "Engine ID Data: Text", HFILL }},
|
|
{ &hf_snmp_engineid_time, {
|
|
"Engine ID Data: Time", "snmp.engineid.time", FT_ABSOLUTE_TIME, BASE_NONE,
|
|
NULL, 0, "Engine ID Data: Time", HFILL }},
|
|
{ &hf_snmp_engineid_data, {
|
|
"Engine ID Data", "snmp.engineid.data", FT_BYTES, BASE_HEX,
|
|
NULL, 0, "Engine ID Data", HFILL }},
|
|
{ &hf_snmp_counter64, {
|
|
"Value", "snmp.counter64", FT_INT64, BASE_DEC,
|
|
NULL, 0, "A counter64 value", HFILL }},
|
|
|
|
|
|
/*--- Included file: packet-snmp-hfarr.c ---*/
|
|
#line 1 "packet-snmp-hfarr.c"
|
|
{ &hf_snmp_SMUX_PDUs_PDU,
|
|
{ "SMUX-PDUs", "snmp.SMUX_PDUs",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_SMUX_PDUs_vals), 0,
|
|
"snmp.SMUX_PDUs", HFILL }},
|
|
{ &hf_snmp_simple,
|
|
{ "simple", "snmp.simple",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_SimpleSyntax_vals), 0,
|
|
"snmp.SimpleSyntax", HFILL }},
|
|
{ &hf_snmp_application_wide,
|
|
{ "application-wide", "snmp.application_wide",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_ApplicationSyntax_vals), 0,
|
|
"snmp.ApplicationSyntax", HFILL }},
|
|
{ &hf_snmp_integer_value,
|
|
{ "integer-value", "snmp.integer_value",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"snmp.Integer_value", HFILL }},
|
|
{ &hf_snmp_string_value,
|
|
{ "string-value", "snmp.string_value",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.String_value", HFILL }},
|
|
{ &hf_snmp_objectID_value,
|
|
{ "objectID-value", "snmp.objectID_value",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"snmp.ObjectID_value", HFILL }},
|
|
{ &hf_snmp_empty,
|
|
{ "empty", "snmp.empty",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.Empty", HFILL }},
|
|
{ &hf_snmp_ipAddress_value,
|
|
{ "ipAddress-value", "snmp.ipAddress_value",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"snmp.IpAddress", HFILL }},
|
|
{ &hf_snmp_counter_value,
|
|
{ "counter-value", "snmp.counter_value",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.Counter32", HFILL }},
|
|
{ &hf_snmp_timeticks_value,
|
|
{ "timeticks-value", "snmp.timeticks_value",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.TimeTicks", HFILL }},
|
|
{ &hf_snmp_arbitrary_value,
|
|
{ "arbitrary-value", "snmp.arbitrary_value",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.Opaque", HFILL }},
|
|
{ &hf_snmp_big_counter_value,
|
|
{ "big-counter-value", "snmp.big_counter_value",
|
|
FT_UINT64, BASE_DEC, NULL, 0,
|
|
"snmp.Counter64", HFILL }},
|
|
{ &hf_snmp_unsigned_integer_value,
|
|
{ "unsigned-integer-value", "snmp.unsigned_integer_value",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.Unsigned32", HFILL }},
|
|
{ &hf_snmp_internet,
|
|
{ "internet", "snmp.internet",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"snmp.IpAddress", HFILL }},
|
|
{ &hf_snmp_version,
|
|
{ "version", "snmp.version",
|
|
FT_INT32, BASE_DEC, VALS(snmp_Version_vals), 0,
|
|
"snmp.Version", HFILL }},
|
|
{ &hf_snmp_community,
|
|
{ "community", "snmp.community",
|
|
FT_STRING, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_data,
|
|
{ "data", "snmp.data",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_PDUs_vals), 0,
|
|
"snmp.PDUs", HFILL }},
|
|
{ &hf_snmp_parameters,
|
|
{ "parameters", "snmp.parameters",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_datav2u,
|
|
{ "datav2u", "snmp.datav2u",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_T_datav2u_vals), 0,
|
|
"snmp.T_datav2u", HFILL }},
|
|
{ &hf_snmp_v2u_plaintext,
|
|
{ "plaintext", "snmp.plaintext",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_PDUs_vals), 0,
|
|
"snmp.PDUs", HFILL }},
|
|
{ &hf_snmp_encrypted,
|
|
{ "encrypted", "snmp.encrypted",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_msgAuthoritativeEngineID,
|
|
{ "msgAuthoritativeEngineID", "snmp.msgAuthoritativeEngineID",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.SnmpEngineID", HFILL }},
|
|
{ &hf_snmp_msgAuthoritativeEngineBoots,
|
|
{ "msgAuthoritativeEngineBoots", "snmp.msgAuthoritativeEngineBoots",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_0_2147483647", HFILL }},
|
|
{ &hf_snmp_msgAuthoritativeEngineTime,
|
|
{ "msgAuthoritativeEngineTime", "snmp.msgAuthoritativeEngineTime",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_0_2147483647", HFILL }},
|
|
{ &hf_snmp_msgUserName,
|
|
{ "msgUserName", "snmp.msgUserName",
|
|
FT_STRING, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING_SIZE_1_32", HFILL }},
|
|
{ &hf_snmp_msgAuthenticationParameters,
|
|
{ "msgAuthenticationParameters", "snmp.msgAuthenticationParameters",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_msgPrivacyParameters,
|
|
{ "msgPrivacyParameters", "snmp.msgPrivacyParameters",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_msgVersion,
|
|
{ "msgVersion", "snmp.msgVersion",
|
|
FT_INT32, BASE_DEC, VALS(snmp_Version_vals), 0,
|
|
"snmp.Version", HFILL }},
|
|
{ &hf_snmp_msgGlobalData,
|
|
{ "msgGlobalData", "snmp.msgGlobalData",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.HeaderData", HFILL }},
|
|
{ &hf_snmp_msgSecurityParameters,
|
|
{ "msgSecurityParameters", "snmp.msgSecurityParameters",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.T_msgSecurityParameters", HFILL }},
|
|
{ &hf_snmp_msgData,
|
|
{ "msgData", "snmp.msgData",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_ScopedPduData_vals), 0,
|
|
"snmp.ScopedPduData", HFILL }},
|
|
{ &hf_snmp_msgID,
|
|
{ "msgID", "snmp.msgID",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_0_2147483647", HFILL }},
|
|
{ &hf_snmp_msgMaxSize,
|
|
{ "msgMaxSize", "snmp.msgMaxSize",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_484_2147483647", HFILL }},
|
|
{ &hf_snmp_msgFlags,
|
|
{ "msgFlags", "snmp.msgFlags",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.T_msgFlags", HFILL }},
|
|
{ &hf_snmp_msgSecurityModel,
|
|
{ "msgSecurityModel", "snmp.msgSecurityModel",
|
|
FT_UINT32, BASE_DEC, VALS(sec_models), 0,
|
|
"snmp.T_msgSecurityModel", HFILL }},
|
|
{ &hf_snmp_plaintext,
|
|
{ "plaintext", "snmp.plaintext",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.ScopedPDU", HFILL }},
|
|
{ &hf_snmp_encryptedPDU,
|
|
{ "encryptedPDU", "snmp.encryptedPDU",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_contextEngineID,
|
|
{ "contextEngineID", "snmp.contextEngineID",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_contextName,
|
|
{ "contextName", "snmp.contextName",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_get_request,
|
|
{ "get-request", "snmp.get_request",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_get_request", HFILL }},
|
|
{ &hf_snmp_get_next_request,
|
|
{ "get-next-request", "snmp.get_next_request",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_get_next_request", HFILL }},
|
|
{ &hf_snmp_get_response,
|
|
{ "get-response", "snmp.get_response",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_get_response", HFILL }},
|
|
{ &hf_snmp_set_request,
|
|
{ "set-request", "snmp.set_request",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_set_request", HFILL }},
|
|
{ &hf_snmp_trap,
|
|
{ "trap", "snmp.trap",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_trap", HFILL }},
|
|
{ &hf_snmp_getBulkRequest,
|
|
{ "getBulkRequest", "snmp.getBulkRequest",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_getBulkRequest", HFILL }},
|
|
{ &hf_snmp_informRequest,
|
|
{ "informRequest", "snmp.informRequest",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_informRequest", HFILL }},
|
|
{ &hf_snmp_sNMPv2_Trap,
|
|
{ "sNMPv2-Trap", "snmp.sNMPv2_Trap",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_sNMPv2_Trap", HFILL }},
|
|
{ &hf_snmp_report,
|
|
{ "report", "snmp.report",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.T_report", HFILL }},
|
|
{ &hf_snmp_request_id,
|
|
{ "request-id", "snmp.request_id",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER", HFILL }},
|
|
{ &hf_snmp_error_status,
|
|
{ "error-status", "snmp.error_status",
|
|
FT_INT32, BASE_DEC, VALS(snmp_T_error_status_vals), 0,
|
|
"snmp.T_error_status", HFILL }},
|
|
{ &hf_snmp_error_index,
|
|
{ "error-index", "snmp.error_index",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER", HFILL }},
|
|
{ &hf_snmp_variable_bindings,
|
|
{ "variable-bindings", "snmp.variable_bindings",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.VarBindList", HFILL }},
|
|
{ &hf_snmp_bulkPDU_request_id,
|
|
{ "request-id", "snmp.request_id",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"snmp.Integer32", HFILL }},
|
|
{ &hf_snmp_non_repeaters,
|
|
{ "non-repeaters", "snmp.non_repeaters",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_0_2147483647", HFILL }},
|
|
{ &hf_snmp_max_repetitions,
|
|
{ "max-repetitions", "snmp.max_repetitions",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_0_2147483647", HFILL }},
|
|
{ &hf_snmp_enterprise,
|
|
{ "enterprise", "snmp.enterprise",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"snmp.OBJECT_IDENTIFIER", HFILL }},
|
|
{ &hf_snmp_agent_addr,
|
|
{ "agent-addr", "snmp.agent_addr",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_NetworkAddress_vals), 0,
|
|
"snmp.NetworkAddress", HFILL }},
|
|
{ &hf_snmp_generic_trap,
|
|
{ "generic-trap", "snmp.generic_trap",
|
|
FT_INT32, BASE_DEC, VALS(snmp_T_generic_trap_vals), 0,
|
|
"snmp.T_generic_trap", HFILL }},
|
|
{ &hf_snmp_specific_trap,
|
|
{ "specific-trap", "snmp.specific_trap",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER", HFILL }},
|
|
{ &hf_snmp_time_stamp,
|
|
{ "time-stamp", "snmp.time_stamp",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
"snmp.TimeTicks", HFILL }},
|
|
{ &hf_snmp_name,
|
|
{ "name", "snmp.name",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"snmp.ObjectName", HFILL }},
|
|
{ &hf_snmp_valueType,
|
|
{ "valueType", "snmp.valueType",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_ValueType_vals), 0,
|
|
"snmp.ValueType", HFILL }},
|
|
{ &hf_snmp_value,
|
|
{ "value", "snmp.value",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_ObjectSyntax_vals), 0,
|
|
"snmp.ObjectSyntax", HFILL }},
|
|
{ &hf_snmp_unSpecified,
|
|
{ "unSpecified", "snmp.unSpecified",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.NULL", HFILL }},
|
|
{ &hf_snmp_noSuchObject,
|
|
{ "noSuchObject", "snmp.noSuchObject",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.NULL", HFILL }},
|
|
{ &hf_snmp_noSuchInstance,
|
|
{ "noSuchInstance", "snmp.noSuchInstance",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.NULL", HFILL }},
|
|
{ &hf_snmp_endOfMibView,
|
|
{ "endOfMibView", "snmp.endOfMibView",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.NULL", HFILL }},
|
|
{ &hf_snmp_VarBindList_item,
|
|
{ "Item", "snmp.VarBindList_item",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.VarBind", HFILL }},
|
|
{ &hf_snmp_open,
|
|
{ "open", "snmp.open",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_OpenPDU_vals), 0,
|
|
"snmp.OpenPDU", HFILL }},
|
|
{ &hf_snmp_close,
|
|
{ "close", "snmp.close",
|
|
FT_INT32, BASE_DEC, VALS(snmp_ClosePDU_vals), 0,
|
|
"snmp.ClosePDU", HFILL }},
|
|
{ &hf_snmp_registerRequest,
|
|
{ "registerRequest", "snmp.registerRequest",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.RReqPDU", HFILL }},
|
|
{ &hf_snmp_registerResponse,
|
|
{ "registerResponse", "snmp.registerResponse",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_RegisterResponse_vals), 0,
|
|
"snmp.RegisterResponse", HFILL }},
|
|
{ &hf_snmp_commitOrRollback,
|
|
{ "commitOrRollback", "snmp.commitOrRollback",
|
|
FT_INT32, BASE_DEC, VALS(snmp_SOutPDU_vals), 0,
|
|
"snmp.SOutPDU", HFILL }},
|
|
{ &hf_snmp_rRspPDU,
|
|
{ "rRspPDU", "snmp.rRspPDU",
|
|
FT_INT32, BASE_DEC, VALS(snmp_RRspPDU_vals), 0,
|
|
"snmp.RRspPDU", HFILL }},
|
|
{ &hf_snmp_pDUs,
|
|
{ "pDUs", "snmp.pDUs",
|
|
FT_UINT32, BASE_DEC, VALS(snmp_PDUs_vals), 0,
|
|
"snmp.PDUs", HFILL }},
|
|
{ &hf_snmp_smux_simple,
|
|
{ "smux-simple", "snmp.smux_simple",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"snmp.SimpleOpen", HFILL }},
|
|
{ &hf_snmp_smux_version,
|
|
{ "smux-version", "snmp.smux_version",
|
|
FT_INT32, BASE_DEC, VALS(snmp_T_smux_version_vals), 0,
|
|
"snmp.T_smux_version", HFILL }},
|
|
{ &hf_snmp_identity,
|
|
{ "identity", "snmp.identity",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"snmp.OBJECT_IDENTIFIER", HFILL }},
|
|
{ &hf_snmp_description,
|
|
{ "description", "snmp.description",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.DisplayString", HFILL }},
|
|
{ &hf_snmp_password,
|
|
{ "password", "snmp.password",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"snmp.OCTET_STRING", HFILL }},
|
|
{ &hf_snmp_subtree,
|
|
{ "subtree", "snmp.subtree",
|
|
FT_OID, BASE_NONE, NULL, 0,
|
|
"snmp.ObjectName", HFILL }},
|
|
{ &hf_snmp_priority,
|
|
{ "priority", "snmp.priority",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"snmp.INTEGER_M1_2147483647", HFILL }},
|
|
{ &hf_snmp_operation,
|
|
{ "operation", "snmp.operation",
|
|
FT_INT32, BASE_DEC, VALS(snmp_T_operation_vals), 0,
|
|
"snmp.T_operation", HFILL }},
|
|
|
|
/*--- End of included file: packet-snmp-hfarr.c ---*/
|
|
#line 1399 "packet-snmp-template.c"
|
|
};
|
|
|
|
/* List of subtrees */
|
|
static gint *ett[] = {
|
|
&ett_snmp,
|
|
&ett_engineid,
|
|
&ett_msgFlags,
|
|
|
|
|
|
/*--- Included file: packet-snmp-ettarr.c ---*/
|
|
#line 1 "packet-snmp-ettarr.c"
|
|
&ett_snmp_ObjectSyntax,
|
|
&ett_snmp_SimpleSyntax,
|
|
&ett_snmp_ApplicationSyntax,
|
|
&ett_snmp_NetworkAddress,
|
|
&ett_snmp_Message,
|
|
&ett_snmp_Messagev2u,
|
|
&ett_snmp_T_datav2u,
|
|
&ett_snmp_UsmSecurityParameters,
|
|
&ett_snmp_SNMPv3Message,
|
|
&ett_snmp_HeaderData,
|
|
&ett_snmp_ScopedPduData,
|
|
&ett_snmp_ScopedPDU,
|
|
&ett_snmp_PDUs,
|
|
&ett_snmp_PDU,
|
|
&ett_snmp_BulkPDU,
|
|
&ett_snmp_Trap_PDU,
|
|
&ett_snmp_VarBind,
|
|
&ett_snmp_ValueType,
|
|
&ett_snmp_VarBindList,
|
|
&ett_snmp_SMUX_PDUs,
|
|
&ett_snmp_RegisterResponse,
|
|
&ett_snmp_OpenPDU,
|
|
&ett_snmp_SimpleOpen,
|
|
&ett_snmp_RReqPDU,
|
|
|
|
/*--- End of included file: packet-snmp-ettarr.c ---*/
|
|
#line 1408 "packet-snmp-template.c"
|
|
};
|
|
module_t *snmp_module;
|
|
|
|
#ifdef HAVE_SOME_SNMP
|
|
|
|
#ifdef _WIN32
|
|
/* Set MIBDIRS so that the SNMP library can find its mibs. */
|
|
/* XXX - Should we set MIBS or MIBFILES as well? */
|
|
mib_path_len=strlen(get_datafile_dir()) + strlen(MIB_PATH_APPEND) + 20;
|
|
mib_path = ep_alloc (mib_path_len);
|
|
g_snprintf (mib_path, mib_path_len, "MIBDIRS=%s\\%s", get_datafile_dir(), MIB_PATH_APPEND);
|
|
/* Amazingly enough, Windows does not provide setenv(). */
|
|
if (getenv("MIBDIRS") == NULL)
|
|
_putenv(mib_path);
|
|
|
|
#endif /* _WIN32 */
|
|
|
|
/*
|
|
* Suppress warnings about unknown tokens - we aren't initializing
|
|
* UCD SNMP in its entirety, we're just initializing the
|
|
* MIB-handling part because that's all we're using, which
|
|
* means that entries in the configuration file for other
|
|
* pars of the library will not be handled, and we don't want
|
|
* the config file reading code to whine about that.
|
|
*/
|
|
netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID,
|
|
NETSNMP_DS_LIB_NO_TOKEN_WARNINGS, TRUE);
|
|
netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID,
|
|
NETSNMP_DS_LIB_PRINT_SUFFIX_ONLY, 2);
|
|
#endif /* HAVE_SOME_SNMP */
|
|
|
|
|
|
/* Register protocol */
|
|
proto_snmp = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
new_register_dissector("snmp", dissect_snmp, proto_snmp);
|
|
|
|
/* Register fields and subtrees */
|
|
proto_register_field_array(proto_snmp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
|
|
/* Register configuration preferences */
|
|
snmp_module = prefs_register_protocol(proto_snmp, process_prefs);
|
|
prefs_register_bool_preference(snmp_module, "display_oid",
|
|
"Show SNMP OID in info column",
|
|
"Whether the SNMP OID should be shown in the info column",
|
|
&display_oid);
|
|
|
|
/*
|
|
* Set the default value of "mib_modules".
|
|
*
|
|
* If the MIBS environment variable is set, make its value
|
|
* the value of "mib_modules", otherwise, set "mib_modules"
|
|
* to DEF_MIB_MODULES.
|
|
*/
|
|
tmp_mib_modules = getenv("MIBS");
|
|
if (tmp_mib_modules != NULL)
|
|
mib_modules = tmp_mib_modules;
|
|
prefs_register_string_preference(snmp_module, "mib_modules",
|
|
"MIB modules to load",
|
|
"List of MIB modules to load (the list is set to environment variable MIBS if the variable is not already set)"
|
|
"The list must be separated by colons (:) on non-Windows systems and semicolons (;) on Windows systems",
|
|
&mib_modules);
|
|
prefs_register_bool_preference(snmp_module, "desegment",
|
|
"Reassemble SNMP-over-TCP messages\nspanning multiple TCP segments",
|
|
"Whether the SNMP dissector should reassemble messages spanning multiple TCP segments."
|
|
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
|
|
&snmp_desegment);
|
|
|
|
prefs_register_bool_preference(snmp_module, "var_in_tree",
|
|
"Display dissected variables inside SNMP tree",
|
|
"ON - display dissected variables inside SNMP tree, OFF - display dissected variables in root tree after SNMP",
|
|
&snmp_var_in_tree);
|
|
|
|
variable_oid_dissector_table =
|
|
register_dissector_table("snmp.variable_oid",
|
|
"SNMP Variable OID", FT_STRING, BASE_NONE);
|
|
}
|
|
|
|
|
|
/*--- proto_reg_handoff_snmp ---------------------------------------*/
|
|
void proto_reg_handoff_snmp(void) {
|
|
dissector_handle_t snmp_tcp_handle;
|
|
|
|
snmp_handle = find_dissector("snmp");
|
|
|
|
dissector_add("udp.port", UDP_PORT_SNMP, snmp_handle);
|
|
dissector_add("udp.port", UDP_PORT_SNMP_TRAP, snmp_handle);
|
|
dissector_add("ethertype", ETHERTYPE_SNMP, snmp_handle);
|
|
dissector_add("ipx.socket", IPX_SOCKET_SNMP_AGENT, snmp_handle);
|
|
dissector_add("ipx.socket", IPX_SOCKET_SNMP_SINK, snmp_handle);
|
|
dissector_add("hpext.dxsap", HPEXT_SNMP, snmp_handle);
|
|
|
|
snmp_tcp_handle = create_dissector_handle(dissect_snmp_tcp, proto_snmp);
|
|
dissector_add("tcp.port", TCP_PORT_SNMP, snmp_tcp_handle);
|
|
dissector_add("tcp.port", TCP_PORT_SNMP_TRAP, snmp_tcp_handle);
|
|
|
|
data_handle = find_dissector("data");
|
|
|
|
/*
|
|
* Process preference settings.
|
|
*
|
|
* We can't do this in the register routine, as preferences aren't
|
|
* read until all dissector register routines have been called (so
|
|
* that all dissector preferences have been registered).
|
|
*/
|
|
process_prefs();
|
|
|
|
}
|
|
|
|
void
|
|
proto_register_smux(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_smux_version,
|
|
{ "Version", "smux.version", FT_UINT8, BASE_DEC, NULL,
|
|
0x0, "", HFILL }},
|
|
{ &hf_smux_pdutype,
|
|
{ "PDU type", "smux.pdutype", FT_UINT8, BASE_DEC, VALS(smux_types),
|
|
0x0, "", HFILL }},
|
|
};
|
|
static gint *ett[] = {
|
|
&ett_smux,
|
|
};
|
|
|
|
proto_smux = proto_register_protocol("SNMP Multiplex Protocol",
|
|
"SMUX", "smux");
|
|
proto_register_field_array(proto_smux, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_smux(void)
|
|
{
|
|
dissector_handle_t smux_handle;
|
|
|
|
smux_handle = create_dissector_handle(dissect_smux, proto_smux);
|
|
dissector_add("tcp.port", TCP_PORT_SMUX, smux_handle);
|
|
}
|
|
|
|
|