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/*
* RFC 1908: Coexistence between SNMPv1 and SNMPv2
*/
/**********************************************************************
*
* Copyright 1997 by Carnegie Mellon University
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of CMU not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
* Author: Ryan Troll <ryan+@andrew.cmu.edu>
*
**********************************************************************/
#include "config.h"
#include "config.h"
#include <stdio.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_CTYPE_H
#include <ctype.h>
#endif
#if HAVE_GNUMALLOC_H
#include <gnumalloc.h>
#elif HAVE_MALLOC_H
#include <malloc.h>
#endif
#if HAVE_MEMORY_H
#include <memory.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#if HAVE_BSTRING_H
#include <bstring.h>
#endif
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#if HAVE_NETDB_H
#include <netdb.h>
#endif
#include "snmp.h"
#include "asn1.h"
#include "snmp_vars.h"
#include "snmp_pdu.h"
#include "snmp_error.h"
#include "snmp_api_error.h"
#include "util.h"
/*
* RFC 1908: Coexistence between SNMPv1 and SNMPv2
*
* These convert:
*
* V1 PDUs from an ** AGENT ** to V2 PDUs for an ** MANAGER **
* V2 PDUs from an ** MANAGER ** to V1 PDUs for an ** AGENT **
*
* We will never convert V1 information from a manager into V2 PDUs. V1
* requests are always honored by V2 agents, and the responses will be
* valid V1 responses. (I think. XXXXX)
*
*/
int
snmp_coexist_V2toV1(struct snmp_pdu *PDU)
{
/* Per 3.1.1:
*/
switch (PDU->command) {
case SNMP_PDU_GET:
case SNMP_PDU_GETNEXT:
#ifdef SNMP_PDU_SET
case SNMP_PDU_SET:
#endif
return (1);
break;
case SNMP_PDU_GETBULK:
PDU->non_repeaters = 0;
PDU->max_repetitions = 0;
PDU->command = SNMP_PDU_GETNEXT;
return (1);
break;
default:
snmplib_debug(2, "Unable to translate PDU %d to SNMPv1!\n", PDU->command);
snmp_set_api_error(SNMPERR_PDU_TRANSLATION);
return (0);
}
}
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