/* Do not modify this file. */ /* It is created automatically by the ASN.1 to Wireshark dissector compiler */ /* .\packet-snmp.c */ /* ../../tools/asn2wrs.py -b -e -p snmp -c snmp.cnf -s packet-snmp-template snmp.asn */ /* Input file: packet-snmp-template.c */ #line 1 "packet-snmp-template.c" /* packet-snmp.c * Routines for SNMP (simple network management protocol) * Copyright (C) 1998 Didier Jorand * * See RFC 1157 for SNMPv1. * * See RFCs 1901, 1905, and 1906 for SNMPv2c. * * See RFCs 1905, 1906, 1909, and 1910 for SNMPv2u [historic]. * * See RFCs 2570-2576 for SNMPv3 * Updated to use the asn2wrs compiler made by Tomas Kukosa * Copyright (C) 2005 - 2006 Anders Broman [AT] ericsson.com * * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Some stuff from: * * GXSNMP -- An snmp mangament application * Copyright (C) 1998 Gregory McLean & Jochen Friedrich * Beholder RMON ethernet network monitor,Copyright (C) 1993 DNPAP group * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include "etypes.h" #include #include #include #include "packet-ipx.h" #include "packet-hpext.h" #include "packet-ber.h" #ifdef HAVE_SOME_SNMP #ifdef HAVE_NET_SNMP # include # include # include # include #else /* HAVE_NET_SNMP */ # include # include # include # include # include # include # include # include #endif /* HAVE_NET_SNMP */ #ifndef NETSNMP_DS_LIBRARY_ID # define NETSNMP_DS_LIBRARY_ID DS_LIBRARY_ID # define NETSNMP_DS_LIB_NO_TOKEN_WARNINGS DS_LIB_NO_TOKEN_WARNINGS # define NETSNMP_DS_LIB_PRINT_SUFFIX_ONLY DS_LIB_PRINT_SUFFIX_ONLY # define netsnmp_ds_set_boolean ds_set_boolean # define netsnmp_ds_set_int ds_set_int #endif #ifdef _WIN32 # include #endif /* _WIN32 */ /* * Define values "sprint_realloc_value()" expects. */ # define VALTYPE_INTEGER ASN_INTEGER # define VALTYPE_COUNTER ASN_COUNTER # define VALTYPE_GAUGE ASN_GAUGE # define VALTYPE_TIMETICKS ASN_TIMETICKS # define VALTYPE_STRING ASN_OCTET_STR # define VALTYPE_IPADDR ASN_IPADDRESS # define VALTYPE_OPAQUE ASN_OPAQUE # define VALTYPE_NSAP ASN_NSAP # define VALTYPE_OBJECTID ASN_OBJECT_ID # define VALTYPE_BITSTR ASN_BIT_STR # define VALTYPE_COUNTER64 ASN_COUNTER64 #endif /* HAVE_SOME_SNMP */ #include "packet-snmp.h" #include "format-oid.h" /* Take a pointer that may be null and return a pointer that's not null by turning null pointers into pointers to the above null string, and, if the argument pointer wasn't null, make sure we handle non-printable characters in the string by escaping them. */ #define SAFE_STRING(s, l) (((s) != NULL) ? format_text((s), (l)) : "") #define PNAME "Simple Network Management Protocol" #define PSNAME "SNMP" #define PFNAME "snmp" #define UDP_PORT_SNMP 161 #define UDP_PORT_SNMP_TRAP 162 #define TCP_PORT_SNMP 161 #define TCP_PORT_SNMP_TRAP 162 #define TCP_PORT_SMUX 199 /* Initialize the protocol and registered fields */ static int proto_snmp = -1; static int proto_smux = -1; /* Default MIB modules to load */ /* * XXX - According to Wes Hardaker, we shouldn't do this: * http://www.ethereal.com/lists/ethereal-dev/200412/msg00222.html */ #ifdef _WIN32 # define DEF_MIB_MODULES "IP-MIB;IF-MIB;TCP-MIB;UDP-MIB;SNMPv2-MIB;RFC1213-MIB;UCD-SNMP-MIB" # define IMPORT_SEPARATOR ":" #else # define DEF_MIB_MODULES "IP-MIB:IF-MIB:TCP-MIB:UDP-MIB:SNMPv2-MIB:RFC1213-MIB:UCD-SNMP-MIB" # define IMPORT_SEPARATOR ";" #endif /* _WIN32 */ static const gchar *mib_modules = DEF_MIB_MODULES; static gboolean display_oid = TRUE; /* Subdissector tables */ static dissector_table_t variable_oid_dissector_table; #define TH_AUTH 0x01 #define TH_CRYPT 0x02 #define TH_REPORT 0x04 /* desegmentation of SNMP-over-TCP */ static gboolean snmp_desegment = TRUE; /* Global variables */ guint32 MsgSecurityModel; tvbuff_t *oid_tvb=NULL; static dissector_handle_t snmp_handle; static dissector_handle_t data_handle; static int hf_snmp_v3_flags_auth = -1; static int hf_snmp_v3_flags_crypt = -1; static int hf_snmp_v3_flags_report = -1; static int hf_snmp_engineid_conform = -1; static int hf_snmp_engineid_enterprise = -1; static int hf_snmp_engineid_format = -1; static int hf_snmp_engineid_ipv4 = -1; static int hf_snmp_engineid_ipv6 = -1; static int hf_snmp_engineid_mac = -1; static int hf_snmp_engineid_text = -1; static int hf_snmp_engineid_time = -1; static int hf_snmp_engineid_data = -1; static int hf_snmp_counter64 = -1; /*--- Included file: packet-snmp-hf.c ---*/ #line 1 "packet-snmp-hf.c" static int hf_snmp_SMUX_PDUs_PDU = -1; /* SMUX_PDUs */ static int hf_snmp_simple = -1; /* SimpleSyntax */ static int hf_snmp_application_wide = -1; /* ApplicationSyntax */ static int hf_snmp_integer_value = -1; /* Integer_value */ static int hf_snmp_string_value = -1; /* String_value */ static int hf_snmp_objectID_value = -1; /* ObjectID_value */ static int hf_snmp_empty = -1; /* Empty */ static int hf_snmp_ipAddress_value = -1; /* IpAddress */ static int hf_snmp_counter_value = -1; /* Counter32 */ static int hf_snmp_timeticks_value = -1; /* TimeTicks */ static int hf_snmp_arbitrary_value = -1; /* Opaque */ static int hf_snmp_big_counter_value = -1; /* Counter64 */ static int hf_snmp_unsigned_integer_value = -1; /* Unsigned32 */ static int hf_snmp_internet = -1; /* IpAddress */ static int hf_snmp_version = -1; /* Version */ static int hf_snmp_community = -1; /* OCTET_STRING */ static int hf_snmp_data = -1; /* PDUs */ static int hf_snmp_parameters = -1; /* OCTET_STRING */ static int hf_snmp_datav2u = -1; /* T_datav2u */ static int hf_snmp_v2u_plaintext = -1; /* PDUs */ static int hf_snmp_encrypted = -1; /* OCTET_STRING */ static int hf_snmp_msgAuthoritativeEngineID = -1; /* SnmpEngineID */ static int hf_snmp_msgAuthoritativeEngineBoots = -1; /* INTEGER_0_2147483647 */ static int hf_snmp_msgAuthoritativeEngineTime = -1; /* INTEGER_0_2147483647 */ static int hf_snmp_msgUserName = -1; /* OCTET_STRING_SIZE_1_32 */ static int hf_snmp_msgAuthenticationParameters = -1; /* OCTET_STRING */ static int hf_snmp_msgPrivacyParameters = -1; /* OCTET_STRING */ static int hf_snmp_msgVersion = -1; /* Version */ static int hf_snmp_msgGlobalData = -1; /* HeaderData */ static int hf_snmp_msgSecurityParameters = -1; /* T_msgSecurityParameters */ static int hf_snmp_msgData = -1; /* ScopedPduData */ static int hf_snmp_msgID = -1; /* INTEGER_0_2147483647 */ static int hf_snmp_msgMaxSize = -1; /* INTEGER_484_2147483647 */ static int hf_snmp_msgFlags = -1; /* T_msgFlags */ static int hf_snmp_msgSecurityModel = -1; /* T_msgSecurityModel */ static int hf_snmp_plaintext = -1; /* ScopedPDU */ static int hf_snmp_encryptedPDU = -1; /* OCTET_STRING */ static int hf_snmp_contextEngineID = -1; /* OCTET_STRING */ static int hf_snmp_contextName = -1; /* OCTET_STRING */ static int hf_snmp_get_request = -1; /* T_get_request */ static int hf_snmp_get_next_request = -1; /* T_get_next_request */ static int hf_snmp_get_response = -1; /* T_get_response */ static int hf_snmp_set_request = -1; /* T_set_request */ static int hf_snmp_trap = -1; /* T_trap */ static int hf_snmp_getBulkRequest = -1; /* T_getBulkRequest */ static int hf_snmp_informRequest = -1; /* T_informRequest */ static int hf_snmp_sNMPv2_Trap = -1; /* T_sNMPv2_Trap */ static int hf_snmp_report = -1; /* T_report */ static int hf_snmp_request_id = -1; /* INTEGER */ static int hf_snmp_error_status = -1; /* T_error_status */ static int hf_snmp_error_index = -1; /* INTEGER */ static int hf_snmp_variable_bindings = -1; /* VarBindList */ static int hf_snmp_bulkPDU_request_id = -1; /* Integer32 */ static int hf_snmp_non_repeaters = -1; /* INTEGER_0_2147483647 */ static int hf_snmp_max_repetitions = -1; /* INTEGER_0_2147483647 */ static int hf_snmp_enterprise = -1; /* OBJECT_IDENTIFIER */ static int hf_snmp_agent_addr = -1; /* NetworkAddress */ static int hf_snmp_generic_trap = -1; /* T_generic_trap */ static int hf_snmp_specific_trap = -1; /* INTEGER */ static int hf_snmp_time_stamp = -1; /* TimeTicks */ static int hf_snmp_name = -1; /* ObjectName */ static int hf_snmp_valueType = -1; /* ValueType */ static int hf_snmp_value = -1; /* ObjectSyntax */ static int hf_snmp_unSpecified = -1; /* NULL */ static int hf_snmp_noSuchObject = -1; /* NULL */ static int hf_snmp_noSuchInstance = -1; /* NULL */ static int hf_snmp_endOfMibView = -1; /* NULL */ static int hf_snmp_VarBindList_item = -1; /* VarBind */ static int hf_snmp_open = -1; /* OpenPDU */ static int hf_snmp_close = -1; /* ClosePDU */ static int hf_snmp_registerRequest = -1; /* RReqPDU */ static int hf_snmp_registerResponse = -1; /* RegisterResponse */ static int hf_snmp_commitOrRollback = -1; /* SOutPDU */ static int hf_snmp_rRspPDU = -1; /* RRspPDU */ static int hf_snmp_pDUs = -1; /* PDUs */ static int hf_snmp_smux_simple = -1; /* SimpleOpen */ static int hf_snmp_smux_version = -1; /* T_smux_version */ static int hf_snmp_identity = -1; /* OBJECT_IDENTIFIER */ static int hf_snmp_description = -1; /* DisplayString */ static int hf_snmp_password = -1; /* OCTET_STRING */ static int hf_snmp_subtree = -1; /* ObjectName */ static int hf_snmp_priority = -1; /* INTEGER_M1_2147483647 */ static int hf_snmp_operation = -1; /* T_operation */ /*--- End of included file: packet-snmp-hf.c ---*/ #line 185 "packet-snmp-template.c" static int hf_smux_version = -1; static int hf_smux_pdutype = -1; /* Initialize the subtree pointers */ static gint ett_smux = -1; static gint ett_snmp = -1; static gint ett_engineid = -1; static gint ett_msgFlags = -1; /*--- Included file: packet-snmp-ett.c ---*/ #line 1 "packet-snmp-ett.c" static gint ett_snmp_ObjectSyntax = -1; static gint ett_snmp_SimpleSyntax = -1; static gint ett_snmp_ApplicationSyntax = -1; static gint ett_snmp_NetworkAddress = -1; static gint ett_snmp_Message = -1; static gint ett_snmp_Messagev2u = -1; static gint ett_snmp_T_datav2u = -1; static gint ett_snmp_UsmSecurityParameters = -1; static gint ett_snmp_SNMPv3Message = -1; static gint ett_snmp_HeaderData = -1; static gint ett_snmp_ScopedPduData = -1; static gint ett_snmp_ScopedPDU = -1; static gint ett_snmp_PDUs = -1; static gint ett_snmp_PDU = -1; static gint ett_snmp_BulkPDU = -1; static gint ett_snmp_Trap_PDU = -1; static gint ett_snmp_VarBind = -1; static gint ett_snmp_ValueType = -1; static gint ett_snmp_VarBindList = -1; static gint ett_snmp_SMUX_PDUs = -1; static gint ett_snmp_RegisterResponse = -1; static gint ett_snmp_OpenPDU = -1; static gint ett_snmp_SimpleOpen = -1; static gint ett_snmp_RReqPDU = -1; /*--- End of included file: packet-snmp-ett.c ---*/ #line 196 "packet-snmp-template.c" /* defined in net-SNMP; include/net-snmp/library/snmp.h */ #undef SNMP_MSG_GET #undef SNMP_MSG_SET #undef SNMP_MSG_GETNEXT #undef SNMP_MSG_RESPONSE #undef SNMP_MSG_TRAP #undef SNMP_MSG_GETBULK #undef SNMP_MSG_INFORM #undef SNMP_MSG_TRAP2 #undef SNMP_MSG_REPORT #undef SNMP_NOSUCHOBJECT #undef SNMP_NOSUCHINSTANCE #undef SNMP_ENDOFMIBVIEW /* Security Models */ #define SNMP_SEC_ANY 0 #define SNMP_SEC_V1 1 #define SNMP_SEC_V2C 2 #define SNMP_SEC_USM 3 static const value_string sec_models[] = { { SNMP_SEC_ANY, "Any" }, { SNMP_SEC_V1, "V1" }, { SNMP_SEC_V2C, "V2C" }, { SNMP_SEC_USM, "USM" }, { 0, NULL } }; /* SMUX PDU types */ #define SMUX_MSG_OPEN 0 #define SMUX_MSG_CLOSE 1 #define SMUX_MSG_RREQ 2 #define SMUX_MSG_RRSP 3 #define SMUX_MSG_SOUT 4 static const value_string smux_types[] = { { SMUX_MSG_OPEN, "Open" }, { SMUX_MSG_CLOSE, "Close" }, { SMUX_MSG_RREQ, "Registration Request" }, { SMUX_MSG_RRSP, "Registration Response" }, { SMUX_MSG_SOUT, "Commit Or Rollback" }, { 0, NULL } }; /* SNMP Tags */ #define SNMP_IPA 0 /* IP Address */ #define SNMP_CNT 1 /* Counter (Counter32) */ #define SNMP_GGE 2 /* Gauge (Gauge32) */ #define SNMP_TIT 3 /* TimeTicks */ #define SNMP_OPQ 4 /* Opaque */ #define SNMP_NSP 5 /* NsapAddress */ #define SNMP_C64 6 /* Counter64 */ #define SNMP_U32 7 /* Uinteger32 */ #define SERR_NSO 0 #define SERR_NSI 1 #define SERR_EOM 2 /* SNMPv1 Types */ #define SNMP_NULL 0 #define SNMP_INTEGER 1 /* l */ #define SNMP_OCTETSTR 2 /* c */ #define SNMP_DISPLAYSTR 2 /* c */ #define SNMP_OBJECTID 3 /* ul */ #define SNMP_IPADDR 4 /* uc */ #define SNMP_COUNTER 5 /* ul */ #define SNMP_GAUGE 6 /* ul */ #define SNMP_TIMETICKS 7 /* ul */ #define SNMP_OPAQUE 8 /* c */ /* additional SNMPv2 Types */ #define SNMP_UINTEGER 5 /* ul */ #define SNMP_BITSTR 9 /* uc */ #define SNMP_NSAP 10 /* uc */ #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= 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. * XXX - if we convert this to ep_alloc(), make sure the fourth * argument to sprint_realloc_objid() is FALSE. */ oid_string_len = 256; oid_string = malloc(oid_string_len); if (oid_string == NULL) return NULL; *oid_string = '\0'; oid_out_len = 0; sprint_realloc_objid(&oid_string, &oid_string_len, &oid_out_len, TRUE, 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); free(oid_string); #endif return result; } /* returns the decoded (can be NULL) and non_decoded OID strings, returned pointers shall be freed by the caller */ 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; /* * 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 = 256; oid_string = malloc(oid_string_len); if (oid_string != NULL) { *oid_string = '\0'; oid_out_len = 0; sprint_realloc_objid(&oid_string, &oid_string_len, &oid_out_len, TRUE, 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 = malloc(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; 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. */ /* * XXX - if we convert this to ep_alloc(), make sure the fourth * argument to sprint_realloc_objid() is FALSE. */ buf_len = 256; buf = malloc(buf_len); if (buf != NULL) { *buf = '\0'; out_len = 0; sprint_realloc_value(&buf, &buf_len, &out_len, TRUE, 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, ""); 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, ""); 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 = g_malloc((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); free(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); free(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); free(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 = g_malloc((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); free(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 */ } g_free(vb_oid); 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 223 "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 217 "snmp.cnf" guint length; snmp_variable_decode(tvb, tree, pinfo, oid_tvb, offset, &length, NULL); 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 229 "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 235 "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_) { offset = dissect_ber_sequence(implicit_tag, pinfo, tree, tvb, offset, VarBind_sequence, hf_index, ett_snmp_VarBind); 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 1032 "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; } } 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; } 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, "SMUX-PDUs", HFILL }}, { &hf_snmp_simple, { "simple", "snmp.simple", FT_UINT32, BASE_DEC, VALS(snmp_SimpleSyntax_vals), 0, "ObjectSyntax/simple", HFILL }}, { &hf_snmp_application_wide, { "application-wide", "snmp.application_wide", FT_UINT32, BASE_DEC, VALS(snmp_ApplicationSyntax_vals), 0, "ObjectSyntax/application-wide", HFILL }}, { &hf_snmp_integer_value, { "integer-value", "snmp.integer_value", FT_INT32, BASE_DEC, NULL, 0, "SimpleSyntax/integer-value", HFILL }}, { &hf_snmp_string_value, { "string-value", "snmp.string_value", FT_BYTES, BASE_HEX, NULL, 0, "SimpleSyntax/string-value", HFILL }}, { &hf_snmp_objectID_value, { "objectID-value", "snmp.objectID_value", FT_OID, BASE_NONE, NULL, 0, "SimpleSyntax/objectID-value", HFILL }}, { &hf_snmp_empty, { "empty", "snmp.empty", FT_NONE, BASE_NONE, NULL, 0, "SimpleSyntax/empty", HFILL }}, { &hf_snmp_ipAddress_value, { "ipAddress-value", "snmp.ipAddress_value", FT_IPv4, BASE_NONE, NULL, 0, "ApplicationSyntax/ipAddress-value", HFILL }}, { &hf_snmp_counter_value, { "counter-value", "snmp.counter_value", FT_UINT32, BASE_DEC, NULL, 0, "ApplicationSyntax/counter-value", HFILL }}, { &hf_snmp_timeticks_value, { "timeticks-value", "snmp.timeticks_value", FT_UINT32, BASE_DEC, NULL, 0, "ApplicationSyntax/timeticks-value", HFILL }}, { &hf_snmp_arbitrary_value, { "arbitrary-value", "snmp.arbitrary_value", FT_BYTES, BASE_HEX, NULL, 0, "ApplicationSyntax/arbitrary-value", HFILL }}, { &hf_snmp_big_counter_value, { "big-counter-value", "snmp.big_counter_value", FT_UINT32, BASE_DEC, NULL, 0, "ApplicationSyntax/big-counter-value", HFILL }}, { &hf_snmp_unsigned_integer_value, { "unsigned-integer-value", "snmp.unsigned_integer_value", FT_UINT32, BASE_DEC, NULL, 0, "ApplicationSyntax/unsigned-integer-value", HFILL }}, { &hf_snmp_internet, { "internet", "snmp.internet", FT_IPv4, BASE_NONE, NULL, 0, "NetworkAddress/internet", HFILL }}, { &hf_snmp_version, { "version", "snmp.version", FT_INT32, BASE_DEC, VALS(snmp_Version_vals), 0, "", HFILL }}, { &hf_snmp_community, { "community", "snmp.community", FT_STRING, BASE_HEX, NULL, 0, "Message/community", HFILL }}, { &hf_snmp_data, { "data", "snmp.data", FT_UINT32, BASE_DEC, VALS(snmp_PDUs_vals), 0, "", HFILL }}, { &hf_snmp_parameters, { "parameters", "snmp.parameters", FT_BYTES, BASE_HEX, NULL, 0, "Messagev2u/parameters", HFILL }}, { &hf_snmp_datav2u, { "datav2u", "snmp.datav2u", FT_UINT32, BASE_DEC, VALS(snmp_T_datav2u_vals), 0, "Messagev2u/datav2u", HFILL }}, { &hf_snmp_v2u_plaintext, { "plaintext", "snmp.plaintext", FT_UINT32, BASE_DEC, VALS(snmp_PDUs_vals), 0, "Messagev2u/datav2u/plaintext", HFILL }}, { &hf_snmp_encrypted, { "encrypted", "snmp.encrypted", FT_BYTES, BASE_HEX, NULL, 0, "Messagev2u/datav2u/encrypted", HFILL }}, { &hf_snmp_msgAuthoritativeEngineID, { "msgAuthoritativeEngineID", "snmp.msgAuthoritativeEngineID", FT_BYTES, BASE_HEX, NULL, 0, "UsmSecurityParameters/msgAuthoritativeEngineID", HFILL }}, { &hf_snmp_msgAuthoritativeEngineBoots, { "msgAuthoritativeEngineBoots", "snmp.msgAuthoritativeEngineBoots", FT_UINT32, BASE_DEC, NULL, 0, "UsmSecurityParameters/msgAuthoritativeEngineBoots", HFILL }}, { &hf_snmp_msgAuthoritativeEngineTime, { "msgAuthoritativeEngineTime", "snmp.msgAuthoritativeEngineTime", FT_UINT32, BASE_DEC, NULL, 0, "UsmSecurityParameters/msgAuthoritativeEngineTime", HFILL }}, { &hf_snmp_msgUserName, { "msgUserName", "snmp.msgUserName", FT_STRING, BASE_HEX, NULL, 0, "UsmSecurityParameters/msgUserName", HFILL }}, { &hf_snmp_msgAuthenticationParameters, { "msgAuthenticationParameters", "snmp.msgAuthenticationParameters", FT_BYTES, BASE_HEX, NULL, 0, "UsmSecurityParameters/msgAuthenticationParameters", HFILL }}, { &hf_snmp_msgPrivacyParameters, { "msgPrivacyParameters", "snmp.msgPrivacyParameters", FT_BYTES, BASE_HEX, NULL, 0, "UsmSecurityParameters/msgPrivacyParameters", HFILL }}, { &hf_snmp_msgVersion, { "msgVersion", "snmp.msgVersion", FT_INT32, BASE_DEC, VALS(snmp_Version_vals), 0, "SNMPv3Message/msgVersion", HFILL }}, { &hf_snmp_msgGlobalData, { "msgGlobalData", "snmp.msgGlobalData", FT_NONE, BASE_NONE, NULL, 0, "SNMPv3Message/msgGlobalData", HFILL }}, { &hf_snmp_msgSecurityParameters, { "msgSecurityParameters", "snmp.msgSecurityParameters", FT_BYTES, BASE_HEX, NULL, 0, "SNMPv3Message/msgSecurityParameters", HFILL }}, { &hf_snmp_msgData, { "msgData", "snmp.msgData", FT_UINT32, BASE_DEC, VALS(snmp_ScopedPduData_vals), 0, "SNMPv3Message/msgData", HFILL }}, { &hf_snmp_msgID, { "msgID", "snmp.msgID", FT_UINT32, BASE_DEC, NULL, 0, "HeaderData/msgID", HFILL }}, { &hf_snmp_msgMaxSize, { "msgMaxSize", "snmp.msgMaxSize", FT_UINT32, BASE_DEC, NULL, 0, "HeaderData/msgMaxSize", HFILL }}, { &hf_snmp_msgFlags, { "msgFlags", "snmp.msgFlags", FT_BYTES, BASE_HEX, NULL, 0, "HeaderData/msgFlags", HFILL }}, { &hf_snmp_msgSecurityModel, { "msgSecurityModel", "snmp.msgSecurityModel", FT_UINT32, BASE_DEC, VALS(sec_models), 0, "HeaderData/msgSecurityModel", HFILL }}, { &hf_snmp_plaintext, { "plaintext", "snmp.plaintext", FT_NONE, BASE_NONE, NULL, 0, "ScopedPduData/plaintext", HFILL }}, { &hf_snmp_encryptedPDU, { "encryptedPDU", "snmp.encryptedPDU", FT_BYTES, BASE_HEX, NULL, 0, "ScopedPduData/encryptedPDU", HFILL }}, { &hf_snmp_contextEngineID, { "contextEngineID", "snmp.contextEngineID", FT_BYTES, BASE_HEX, NULL, 0, "ScopedPDU/contextEngineID", HFILL }}, { &hf_snmp_contextName, { "contextName", "snmp.contextName", FT_BYTES, BASE_HEX, NULL, 0, "ScopedPDU/contextName", HFILL }}, { &hf_snmp_get_request, { "get-request", "snmp.get_request", FT_NONE, BASE_NONE, NULL, 0, "PDUs/get-request", HFILL }}, { &hf_snmp_get_next_request, { "get-next-request", "snmp.get_next_request", FT_NONE, BASE_NONE, NULL, 0, "PDUs/get-next-request", HFILL }}, { &hf_snmp_get_response, { "get-response", "snmp.get_response", FT_NONE, BASE_NONE, NULL, 0, "PDUs/get-response", HFILL }}, { &hf_snmp_set_request, { "set-request", "snmp.set_request", FT_NONE, BASE_NONE, NULL, 0, "PDUs/set-request", HFILL }}, { &hf_snmp_trap, { "trap", "snmp.trap", FT_NONE, BASE_NONE, NULL, 0, "PDUs/trap", HFILL }}, { &hf_snmp_getBulkRequest, { "getBulkRequest", "snmp.getBulkRequest", FT_NONE, BASE_NONE, NULL, 0, "PDUs/getBulkRequest", HFILL }}, { &hf_snmp_informRequest, { "informRequest", "snmp.informRequest", FT_NONE, BASE_NONE, NULL, 0, "PDUs/informRequest", HFILL }}, { &hf_snmp_sNMPv2_Trap, { "sNMPv2-Trap", "snmp.sNMPv2_Trap", FT_NONE, BASE_NONE, NULL, 0, "PDUs/sNMPv2-Trap", HFILL }}, { &hf_snmp_report, { "report", "snmp.report", FT_NONE, BASE_NONE, NULL, 0, "PDUs/report", HFILL }}, { &hf_snmp_request_id, { "request-id", "snmp.request_id", FT_INT32, BASE_DEC, NULL, 0, "PDU/request-id", HFILL }}, { &hf_snmp_error_status, { "error-status", "snmp.error_status", FT_INT32, BASE_DEC, VALS(snmp_T_error_status_vals), 0, "PDU/error-status", HFILL }}, { &hf_snmp_error_index, { "error-index", "snmp.error_index", FT_INT32, BASE_DEC, NULL, 0, "PDU/error-index", HFILL }}, { &hf_snmp_variable_bindings, { "variable-bindings", "snmp.variable_bindings", FT_UINT32, BASE_DEC, NULL, 0, "", HFILL }}, { &hf_snmp_bulkPDU_request_id, { "request-id", "snmp.request_id", FT_INT32, BASE_DEC, NULL, 0, "BulkPDU/request-id", HFILL }}, { &hf_snmp_non_repeaters, { "non-repeaters", "snmp.non_repeaters", FT_UINT32, BASE_DEC, NULL, 0, "BulkPDU/non-repeaters", HFILL }}, { &hf_snmp_max_repetitions, { "max-repetitions", "snmp.max_repetitions", FT_UINT32, BASE_DEC, NULL, 0, "BulkPDU/max-repetitions", HFILL }}, { &hf_snmp_enterprise, { "enterprise", "snmp.enterprise", FT_OID, BASE_NONE, NULL, 0, "Trap-PDU/enterprise", HFILL }}, { &hf_snmp_agent_addr, { "agent-addr", "snmp.agent_addr", FT_UINT32, BASE_DEC, VALS(snmp_NetworkAddress_vals), 0, "Trap-PDU/agent-addr", HFILL }}, { &hf_snmp_generic_trap, { "generic-trap", "snmp.generic_trap", FT_INT32, BASE_DEC, VALS(snmp_T_generic_trap_vals), 0, "Trap-PDU/generic-trap", HFILL }}, { &hf_snmp_specific_trap, { "specific-trap", "snmp.specific_trap", FT_INT32, BASE_DEC, NULL, 0, "Trap-PDU/specific-trap", HFILL }}, { &hf_snmp_time_stamp, { "time-stamp", "snmp.time_stamp", FT_UINT32, BASE_DEC, NULL, 0, "Trap-PDU/time-stamp", HFILL }}, { &hf_snmp_name, { "name", "snmp.name", FT_OID, BASE_NONE, NULL, 0, "VarBind/name", HFILL }}, { &hf_snmp_valueType, { "valueType", "snmp.valueType", FT_UINT32, BASE_DEC, VALS(snmp_ValueType_vals), 0, "VarBind/valueType", HFILL }}, { &hf_snmp_value, { "value", "snmp.value", FT_UINT32, BASE_DEC, VALS(snmp_ObjectSyntax_vals), 0, "ValueType/value", HFILL }}, { &hf_snmp_unSpecified, { "unSpecified", "snmp.unSpecified", FT_NONE, BASE_NONE, NULL, 0, "ValueType/unSpecified", HFILL }}, { &hf_snmp_noSuchObject, { "noSuchObject", "snmp.noSuchObject", FT_NONE, BASE_NONE, NULL, 0, "ValueType/noSuchObject", HFILL }}, { &hf_snmp_noSuchInstance, { "noSuchInstance", "snmp.noSuchInstance", FT_NONE, BASE_NONE, NULL, 0, "ValueType/noSuchInstance", HFILL }}, { &hf_snmp_endOfMibView, { "endOfMibView", "snmp.endOfMibView", FT_NONE, BASE_NONE, NULL, 0, "ValueType/endOfMibView", HFILL }}, { &hf_snmp_VarBindList_item, { "Item", "snmp.VarBindList_item", FT_NONE, BASE_NONE, NULL, 0, "VarBindList/_item", HFILL }}, { &hf_snmp_open, { "open", "snmp.open", FT_UINT32, BASE_DEC, VALS(snmp_OpenPDU_vals), 0, "SMUX-PDUs/open", HFILL }}, { &hf_snmp_close, { "close", "snmp.close", FT_INT32, BASE_DEC, VALS(snmp_ClosePDU_vals), 0, "SMUX-PDUs/close", HFILL }}, { &hf_snmp_registerRequest, { "registerRequest", "snmp.registerRequest", FT_NONE, BASE_NONE, NULL, 0, "SMUX-PDUs/registerRequest", HFILL }}, { &hf_snmp_registerResponse, { "registerResponse", "snmp.registerResponse", FT_UINT32, BASE_DEC, VALS(snmp_RegisterResponse_vals), 0, "SMUX-PDUs/registerResponse", HFILL }}, { &hf_snmp_commitOrRollback, { "commitOrRollback", "snmp.commitOrRollback", FT_INT32, BASE_DEC, VALS(snmp_SOutPDU_vals), 0, "SMUX-PDUs/commitOrRollback", HFILL }}, { &hf_snmp_rRspPDU, { "rRspPDU", "snmp.rRspPDU", FT_INT32, BASE_DEC, VALS(snmp_RRspPDU_vals), 0, "RegisterResponse/rRspPDU", HFILL }}, { &hf_snmp_pDUs, { "pDUs", "snmp.pDUs", FT_UINT32, BASE_DEC, VALS(snmp_PDUs_vals), 0, "RegisterResponse/pDUs", HFILL }}, { &hf_snmp_smux_simple, { "smux-simple", "snmp.smux_simple", FT_NONE, BASE_NONE, NULL, 0, "OpenPDU/smux-simple", HFILL }}, { &hf_snmp_smux_version, { "smux-version", "snmp.smux_version", FT_INT32, BASE_DEC, VALS(snmp_T_smux_version_vals), 0, "SimpleOpen/smux-version", HFILL }}, { &hf_snmp_identity, { "identity", "snmp.identity", FT_OID, BASE_NONE, NULL, 0, "SimpleOpen/identity", HFILL }}, { &hf_snmp_description, { "description", "snmp.description", FT_BYTES, BASE_HEX, NULL, 0, "SimpleOpen/description", HFILL }}, { &hf_snmp_password, { "password", "snmp.password", FT_BYTES, BASE_HEX, NULL, 0, "SimpleOpen/password", HFILL }}, { &hf_snmp_subtree, { "subtree", "snmp.subtree", FT_OID, BASE_NONE, NULL, 0, "RReqPDU/subtree", HFILL }}, { &hf_snmp_priority, { "priority", "snmp.priority", FT_INT32, BASE_DEC, NULL, 0, "RReqPDU/priority", HFILL }}, { &hf_snmp_operation, { "operation", "snmp.operation", FT_INT32, BASE_DEC, VALS(snmp_T_operation_vals), 0, "RReqPDU/operation", HFILL }}, /*--- End of included file: packet-snmp-hfarr.c ---*/ #line 1385 "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 1394 "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); } /*--- 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)); variable_oid_dissector_table = register_dissector_table("snmp.variable_oid", "SNMP Variable OID", FT_STRING, BASE_NONE); } 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); }