Once again me!
Well I am still having problem with snmpset when I am usig to change variables
in OSPF-MIB.
I have a quetion:
Does the line in code snmp_ospf.c:
/*
* No writes for now
*/
*write_method = NULL;
/*
means that it is forbidden to write in read-write or read-create objects.
I really dont know what else might be the problem..
I am using net-snmp-5.5 version.
Best regards!
Nina
--- On Tue, 29/6/10, Nina Cukic <ninacu...@yahoo.co.uk> wrote:
From: Nina Cukic <ninacu...@yahoo.co.uk>
Subject: Re: snmpset
To: net-snmp-users@lists.sourceforge.net
Cc: viv_...@yahoo.com
Date: Tuesday, 29 June, 2010, 15:57
Hi Vivek,
when i try to set value of the object with access "read-create" i get this
error!
Error in packet.
Reason: (readOnly) The two parties used do not
have access to use the specified SNMP PDU.
Failed object:
OSPF-MIB::ospfAdminStat.0
I was searching on the Internet about difference between "read-create" and
"read-write",
and I found some discussions on the following links
http://markmail.org/message/ooy4xfdge7zcnqvd
http://www.ops.ietf.org/lists/mreview/mreview.2005/msg00062.html
But looking in rfc2570 as I wrote in last email, it should be that object with
access "read-create" has the ability to be read, set and created..
As I understood it should be the max access that one object can have.
Why do I then get this error message while using snmpset?
I am trying to use SNMP on OSPF-MIB.
Hope to hear from you soon!
Thanks a lot!
Best
regards!
From: Vivek Singh Bhadauria <viv_...@yahoo.com>
To: Nina Cukic <ninacu...@yahoo.co.uk>
Sent: Tue, 29 June, 2010 12:49:23
Subject: Re: snmpset
Hi Nina,
Where did you get this error? and what is exact error?
There may be some gaps in your snmpset command like
1) wrong/improper access generally it is private
2) some other restriction.
From: Nina Cukic <ninacu...@yahoo.co.uk>
To: net-snmp-users@lists.sourceforge.net
Sent: Tue, 29 June, 2010 3:32:28 PM
Subject: snmpset
hi there!!
i
have a question. i am reading right now rfc2578.
and it is written
that access "read-create" is a super-set of "read-write"
which means
you can read, write and create an instance of the object.
i am
wondering if it's so, why then command snmpset does not work on such an
object.
its giving the error message.
best regards!
Nina
/*
* $Id: snmp_ospf.c,v 5.0 2002/04/20 07:30:06 hardaker Exp $
*/
/*
* Smux module authored by Rohit Dube.
*/
#include <net-snmp/net-snmp-config.h>
#include <stdio.h>
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_ERR_H
#include <err.h>
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <errno.h>
#include <netdb.h>
#include <sys/stat.h>
#include <sys/socket.h>
#if HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "smux.h"
#include "snmp_ospf.h"
static oid max_ospf_mib[] = { 1, 3, 6, 1, 2, 1, 14, 14, 1, 6, 0 };
static oid min_ospf_mib[] =
{ 1, 3, 6, 1, 2, 1, 14, 1, 1, 0, 0, 0, 0 };
extern u_char smux_type;
struct variable13 ospf_variables[] = {
{ospfRouterId, ASN_IPADDRESS, RWRITE, var_ospf, 3, {1, 1, 1}},
{ospfAdminStat, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 2}},
{ospfVersionNumber, ASN_INTEGER, RONLY, var_ospf, 3, {1, 1, 3}},
{ospfAreaBdrRtrStatus, ASN_INTEGER, RONLY, var_ospf, 3, {1, 1, 4}},
{ospfASBdrRtrStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 5}},
{ospfExternLsaCount, ASN_GAUGE, RONLY, var_ospf, 3, {1, 1, 6}},
{ospfExternLsaCksumSum, ASN_INTEGER, RONLY, var_ospf, 3, {1, 1, 7}},
{ospfTOSSupport, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 8}},
{ospfOriginateNewLsas, ASN_COUNTER, RONLY, var_ospf, 3, {1, 1, 9}},
{ospfRxNewLsas, ASN_COUNTER, RONLY, var_ospf, 3, {1, 1, 10, 0}},
{ospfExtLsdbLimit, ASN_INTEGER, RWRITE, var_ospf, 3, {1, 1, 11}},
{ospfMulticastExtensions, ASN_INTEGER, RWRITE, var_ospf, 3,
{1, 1, 12}},
{ospfAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {2, 1, 1}},
{ospfAuthType, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 2}},
{ospfImportAsExtern, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 3}},
{ospfSpfRuns, ASN_COUNTER, RONLY, var_ospf, 3, {2, 1, 4}},
{ospfAreaBdrRtrCount, ASN_GAUGE, RONLY, var_ospf, 3, {2, 1, 5}},
{ospfAsBdrRtrCount, ASN_GAUGE, RONLY, var_ospf, 3, {2, 1, 6}},
{ospfAreaLsaCount, ASN_GAUGE, RONLY, var_ospf, 3, {2, 1, 7}},
{ospfAreaLsaCksumSum, ASN_INTEGER, RONLY, var_ospf, 3, {2, 1, 8}},
{ospfAreaSummary, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 9}},
{ospfAreaStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {2, 1, 10}},
{ospfStubAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {3, 1, 1}},
{ospfStubTOS, ASN_INTEGER, RONLY, var_ospf, 3, {3, 1, 2}},
{ospfStubMetric, ASN_INTEGER, RWRITE, var_ospf, 3, {3, 1, 3}},
{ospfStubStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {3, 1, 4}},
{ospfStubMetricType, ASN_INTEGER, RWRITE, var_ospf, 3, {3, 1, 5}},
{ospfLsdbAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {4, 1, 1}},
{ospfLsdbType, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 2}},
{ospfLsdbLsid, ASN_IPADDRESS, RONLY, var_ospf, 3, {4, 1, 3}},
{ospfLsdbRouterId, ASN_IPADDRESS, RONLY, var_ospf, 3, {4, 1, 4}},
{ospfLsdbSequence, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 5}},
{ospfLsdbAge, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 6}},
{ospfLsdbChecksum, ASN_INTEGER, RONLY, var_ospf, 3, {4, 1, 7}},
{ospfLsdbAdvertisement, ASN_OCTET_STR, RONLY, var_ospf, 3, {4, 1, 8}},
{ospfAreaRangeAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {5, 1, 1}},
{ospfAreaRangeNet, ASN_IPADDRESS, RONLY, var_ospf, 3, {5, 1, 2}},
{ospfAreaRangeMask, ASN_IPADDRESS, RWRITE, var_ospf, 3, {5, 1, 3}},
{ospfAreaRangeStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {5, 1, 4}},
{ospfAreaRangeEffect, ASN_INTEGER, RWRITE, var_ospf, 3, {5, 1, 5}},
{ospfHostIpAddress, ASN_IPADDRESS, RONLY, var_ospf, 3, {6, 1, 1}},
{ospfHostTOS, ASN_INTEGER, RONLY, var_ospf, 3, {6, 1, 2}},
{ospfHostMetric, ASN_INTEGER, RWRITE, var_ospf, 3, {6, 1, 3}},
{ospfHostStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {6, 1, 4}},
{ospfHostAreaID, ASN_IPADDRESS, RONLY, var_ospf, 3, {6, 1, 5}},
{ospfIfIpAddress, ASN_IPADDRESS, RONLY, var_ospf, 3, {7, 1, 1}},
{ospfAddressLessIf, ASN_INTEGER, RONLY, var_ospf, 3, {7, 1, 2}},
{ospfIfAreaId, ASN_IPADDRESS, RWRITE, var_ospf, 3, {7, 1, 3}},
{ospfIfType, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 4}},
{ospfIfAdminStat, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 5}},
{ospfIfRtrPriority, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 6}},
{ospfIfTransitDelay, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 7}},
{ospfIfRetransInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 8}},
{ospfIfHelloInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 9}},
{ospfIfRtrDeadInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 10}},
{ospfIfPollInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 11}},
{ospfIfState, ASN_INTEGER, RONLY, var_ospf, 3, {7, 1, 12}},
{ospfIfDesignatedRouter, ASN_IPADDRESS, RONLY, var_ospf, 3,
{7, 1, 13}},
{ospfIfBackupDesignatedRouter, ASN_IPADDRESS, RONLY, var_ospf, 3,
{7, 1, 14}},
{ospfIfEvents, ASN_COUNTER, RONLY, var_ospf, 3, {7, 1, 15}},
{ospfIfAuthKey, ASN_OCTET_STR, RWRITE, var_ospf, 3, {7, 1, 16}},
{ospfIfStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {7, 1, 17}},
{ospfIfMulticastForwarding, ASN_INTEGER, RWRITE, var_ospf, 3,
{7, 1, 18}},
{ospfIfMetricIpAddress, ASN_IPADDRESS, RONLY, var_ospf, 3, {8, 1, 1}},
{ospfIfMetricAddressLessIf, ASN_INTEGER, RONLY, var_ospf, 3,
{8, 1, 2}},
{ospfIfMetricTOS, ASN_INTEGER, RONLY, var_ospf, 3, {8, 1, 3}},
{ospfIfMetricValue, ASN_INTEGER, RWRITE, var_ospf, 3, {8, 1, 4}},
{ospfIfMetricStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {8, 1, 5}},
{ospfVirtIfAreaId, ASN_IPADDRESS, RONLY, var_ospf, 3, {9, 1, 1}},
{ospfVirtIfNeighbor, ASN_IPADDRESS, RONLY, var_ospf, 3, {9, 1, 2}},
{ospfVirtIfTransitDelay, ASN_INTEGER, RWRITE, var_ospf, 3, {9, 1, 3}},
{ospfVirtIfRetransInterval, ASN_INTEGER, RWRITE, var_ospf, 3,
{9, 1, 4}},
{ospfVirtIfHelloInterval, ASN_INTEGER, RWRITE, var_ospf, 3, {9, 1, 5}},
{ospfVirtIfRtrDeadInterval, ASN_INTEGER, RWRITE, var_ospf, 3,
{9, 1, 6}},
{ospfVirtIfState, ASN_INTEGER, RONLY, var_ospf, 3, {9, 1, 7}},
{ospfVirtIfEvents, ASN_COUNTER, RONLY, var_ospf, 3, {9, 1, 8}},
{ospfVirtIfAuthKey, ASN_OCTET_STR, RWRITE, var_ospf, 3, {9, 1, 9}},
{ospfVirtIfStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {9, 1, 10}},
{ospfNbrIpAddr, ASN_IPADDRESS, RONLY, var_ospf, 3, {10, 1, 1}},
{ospfNbrAddressLessIndex, ASN_INTEGER, RONLY, var_ospf, 3, {10, 1, 2}},
{ospfNbrRtrId, ASN_IPADDRESS, RONLY, var_ospf, 3, {10, 1, 3}},
{ospfNbrOptions, ASN_INTEGER, RONLY, var_ospf, 3, {10, 1, 4}},
{ospfNbrPriority, ASN_INTEGER, RWRITE, var_ospf, 3, {10, 1, 5}},
{ospfNbrState, ASN_INTEGER, RONLY, var_ospf, 3, {10, 1, 6}},
{ospfNbrEvents, ASN_COUNTER, RONLY, var_ospf, 3, {10, 1, 7}},
{ospfNbrLsRetransQLen, ASN_GAUGE, RONLY, var_ospf, 3, {10, 1, 8}},
{ospfNbmaNbrStatus, ASN_INTEGER, RWRITE, var_ospf, 3, {10, 1, 9}},
{ospfNbmaNbrPermanence, ASN_INTEGER, RWRITE, var_ospf, 3, {10, 1, 10}},
{ospfVirtNbrArea, ASN_IPADDRESS, RONLY, var_ospf, 3, {11, 1, 1}},
{ospfVirtNbrRtrId, ASN_IPADDRESS, RONLY, var_ospf, 3, {11, 1, 2}},
{ospfVirtNbrIpAddr, ASN_IPADDRESS, RONLY, var_ospf, 3, {11, 1, 3}},
{ospfVirtNbrOptions, ASN_INTEGER, RONLY, var_ospf, 3, {11, 1, 4}},
{ospfVirtNbrState, ASN_INTEGER, RONLY, var_ospf, 3, {11, 1, 5}},
{ospfVirtNbrEvents, ASN_COUNTER, RONLY, var_ospf, 3, {11, 1, 6}},
{ospfVirtNbrLsRetransQLen, ASN_GAUGE, RONLY, var_ospf, 3, {11, 1, 7}},
{ospfExtLsdbType, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 1}},
{ospfExtLsdbLsid, ASN_IPADDRESS, RONLY, var_ospf, 3, {12, 1, 2}},
{ospfExtLsdbRouterId, ASN_IPADDRESS, RONLY, var_ospf, 3, {12, 1, 3}},
{ospfExtLsdbSequence, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 4}},
{ospfExtLsdbAge, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 5}},
{ospfExtLsdbChecksum, ASN_INTEGER, RONLY, var_ospf, 3, {12, 1, 6}},
{ospfExtLsdbAdvertisement, ASN_OCTET_STR, RONLY, var_ospf, 3,
{12, 1, 7}},
{ospfAreaAggregateAreaID, ASN_IPADDRESS, RONLY, var_ospf, 3,
{14, 1, 1}},
{ospfAreaAggregateLsdbType, ASN_INTEGER, RONLY, var_ospf, 3,
{14, 1, 2}},
{ospfAreaAggregateNet, ASN_IPADDRESS, RONLY, var_ospf, 3, {14, 1, 3}},
{ospfAreaAggregateMask, ASN_IPADDRESS, RWRITE, var_ospf, 3,
{14, 1, 4}},
{ospfAreaAggregateStatus, ASN_INTEGER, RWRITE, var_ospf, 3,
{14, 1, 5}},
{ospfAreaAggregateEffect, ASN_INTEGER, RWRITE, var_ospf, 3, {14, 1, 6}}
};
oid ospf_variables_oid[] = { MIB, 14 };
void
init_snmp_ospf(void)
{
REGISTER_MIB("smux/snmp_ospf", ospf_variables, variable13,
ospf_variables_oid);
}
u_char *
var_ospf(struct variable *vp,
oid * name,
int *length, int exact, int *var_len, WriteMethod ** write_method)
{
u_char *var;
int result;
DEBUGMSGTL(("smux/snmp_ospf",
"[var_ospf] var len %d, oid requested Len %d-", *var_len,
*length));
DEBUGMSGOID(("smux/snmp_ospf", name, *length));
DEBUGMSG(("smux/snmp_ospf", "\n"));
/*
* Pass on the request to Gated.
* If the request sent out was a get next, check to see if
* it lies in the ospf range. If it doesn't, return NULL.
* In either case, make sure that errors are checked on the
* returned packets.
*/
/*
* No writes for now
*/
*write_method = NULL;
/*
* Donot allow access to the peer stuff as it crashes gated.
* However A GetNext on the last 23.3.1.9 variable will force gated into
* the peer stuff and cause it to crash.
* The only way to fix this is to either solve the Gated problem, or
* remove the peer variables from Gated itself and cause it to return
* NULL at the crossing. Currently doing the later.
*/
/*
* Reject GET and GETNEXT for anything above ospfifconf range
*/
result = snmp_oid_compare(name, *length, max_ospf_mib,
sizeof(max_ospf_mib) / sizeof(u_int));
if (result >= 0) {
DEBUGMSGTL(("smux/snmp_ospf", "Over shot\n"));
return NULL;
}
/*
* for GETs we need to be in the ospf range so reject anything below
*/
result = snmp_oid_compare(name, *length, min_ospf_mib,
sizeof(min_ospf_mib) / sizeof(u_int));
if (exact && (result < 0)) {
DEBUGMSGTL(("smux/snmp_ospf",
"Exact but doesn't match length %d, size %d\n",
*length, sizeof(min_ospf_mib)));
return NULL;
}
/*
* On return, 'var' points to the value returned which is of length
* '*var_len'. 'name' points to the new (same as the one passed in for
* GETs) oid which has 'length' suboids.
* 'smux_type' contains the type of the variable.
*/
var = smux_snmp_process(exact, name, length, var_len);
DEBUGMSGTL(("smux/snmp_ospf",
"[var_ospf] var len %d, oid obtained Len %d-", *var_len,
*length));
DEBUGMSGOID(("smux/snmp_ospf", name, *length));
DEBUGMSG(("smux/snmp_ospf", "\n"));
vp->type = smux_type;
/*
* XXX Need a mechanism to return errors in gated's responses
*/
if (var == NULL)
return NULL;
/*
* Any resullt returned should be within the ospf tree.
* ospf_mib - static u_int ospf_mib[] = {1, 3, 6, 1, 2, 1, 14};
*/
if (memcmp(ospf_mib, name, sizeof(ospf_mib)) != 0) {
return NULL;
} else {
return var;
}
}
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