snmp_core.c

-

/*
 * $Id: snmp_core.c,v 1.34.2.8 1999/04/29 21:57:38 wessels Exp $
 *
 * DEBUG: section 49    SNMP support
 * AUTHOR: Glenn Chisholm
 *
 * SQUID Internet Object Cache  http://squid.nlanr.net/Squid/
 * ----------------------------------------------------------
 *
 *  Squid is the result of efforts by numerous individuals from the
 *  Internet community.  Development is led by Duane Wessels of the
 *  National Laboratory for Applied Network Research and funded by the
 *  National Science Foundation.  Squid is Copyrighted (C) 1998 by
 *  Duane Wessels and the University of California San Diego.  Please
 *  see the COPYRIGHT file for full details.  Squid incorporates
 *  software developed and/or copyrighted by other sources.  Please see
 *  the CREDITS file for full details.
 *
 *  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, USA.
 *
 */
#include "squid.h"
#include "cache_snmp.h"

#define SNMP_REQUEST_SIZE 4096
#define MAX_PROTOSTAT 5

typedef struct _mib_tree_entry mib_tree_entry;
typedef oid *(instance_Fn) (oid * name, snint * len, mib_tree_entry * current, oid_ParseFn ** Fn);

struct _mib_tree_entry {
    oid *name;
    int len;
    oid_ParseFn *parsefunction;
    instance_Fn *instancefunction;
    int children;
    struct _mib_tree_entry **leaves;
    struct _mib_tree_entry *parent;
};

mib_tree_entry *mib_tree_head;
mib_tree_entry *mib_tree_last;

#if STDC_HEADERS
static mib_tree_entry *snmpAddNode(oid * name, int len, oid_ParseFn * parsefunction, instance_Fn * instancefunction, int children,...);
static oid *snmpCreateOid(int length,...);
#else
static mib_tree_entry *snmpAddNode();
static oid *snmpCreateOid();
#endif
extern void (*snmplib_debug_hook) (int, char *);
static oid *static_Inst(oid * name, snint * len, mib_tree_entry * current, oid_ParseFn ** Fn);
static oid *time_Inst(oid * name, snint * len, mib_tree_entry * current, oid_ParseFn ** Fn);
static oid *peer_Inst(oid * name, snint * len, mib_tree_entry * current, oid_ParseFn ** Fn);
static oid *client_Inst(oid * name, snint * len, mib_tree_entry * current, oid_ParseFn ** Fn);
static void snmpDecodePacket(snmp_request_t * rq);
static void snmpConstructReponse(snmp_request_t * rq);
static struct snmp_pdu *snmpAgentResponse(struct snmp_pdu *PDU);
static oid_ParseFn *snmpTreeNext(oid * Current, snint CurrentLen, oid ** Next, snint * NextLen);
static oid_ParseFn *snmpTreeGet(oid * Current, snint CurrentLen);
static mib_tree_entry *snmpTreeEntry(oid entry, snint len, mib_tree_entry * current);
static mib_tree_entry *snmpTreeSiblingEntry(oid entry, snint len, mib_tree_entry * current);
static oid *snmpOidDup(oid * A, snint ALen);
static void snmpSnmplibDebug(int lvl, char *buf);


/*
 * The functions used during startup:
 * snmpInit
 * snmpConnectionOpen
 * snmpConnectionShutdown
 * snmpConnectionClose
 */

/*
 * Turns the MIB into a Tree structure. Called during the startup process.
 */
void
snmpInit(void)
{
    debug(49, 5) ("snmpInit: Called.\n");

    debug(49, 5) ("snmpInit: Building SNMP mib tree structure\n");

    snmplib_debug_hook = snmpSnmplibDebug;

    mib_tree_head = snmpAddNode(snmpCreateOid(1, 1),
	1, NULL, NULL, 1,
	snmpAddNode(snmpCreateOid(2, 1, 3),
	    2, NULL, NULL, 1,
	    snmpAddNode(snmpCreateOid(3, 1, 3, 6),
		3, NULL, NULL, 1,
		snmpAddNode(snmpCreateOid(4, 1, 3, 6, 1),
		    4, NULL, NULL, 1,
		    snmpAddNode(snmpCreateOid(5, 1, 3, 6, 1, 4),
			5, NULL, NULL, 1,
			snmpAddNode(snmpCreateOid(6, 1, 3, 6, 1, 4, 1),
			    6, NULL, NULL, 1,
			    snmpAddNode(snmpCreateOid(7, 1, 3, 6, 1, 4, 1, 3495),
				7, NULL, NULL, 1,
				snmpAddNode(snmpCreateOid(LEN_SQUIDMIB, SQUIDMIB),
				    8, NULL, NULL, 5,
				    snmpAddNode(snmpCreateOid(LEN_SQ_SYS, SQ_SYS),
					LEN_SQ_SYS, NULL, NULL, 3,
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_SYS, SYSVMSIZ),
					    LEN_SYS, snmp_sysFn, static_Inst, 0),
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_SYS, SYSSTOR),
					    LEN_SYS, snmp_sysFn, static_Inst, 0),
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_SYS, SYS_UPTIME),
					    LEN_SYS, snmp_sysFn, static_Inst, 0)),
				    snmpAddNode(snmpCreateOid(LEN_SQ_CONF, SQ_CONF),
					LEN_SQ_CONF, NULL, NULL, 5,
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_CONF, CONF_ADMIN),
					    LEN_SYS, snmp_confFn, static_Inst, 0),
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_CONF, CONF_VERSION),
					    LEN_SYS, snmp_confFn, static_Inst, 0),
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_CONF, CONF_VERSION_ID),
					    LEN_SYS, snmp_confFn, static_Inst, 0),
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_CONF, CONF_LOG_FAC),
					    LEN_SYS, snmp_confFn, static_Inst, 0),
					snmpAddNode(snmpCreateOid(LEN_SYS, SQ_CONF, CONF_STORAGE),
					    LEN_SYS, NULL, NULL, 4,
					    snmpAddNode(snmpCreateOid(LEN_CONF_ST, SQ_CONF, CONF_STORAGE, CONF_ST_MMAXSZ),
						LEN_CONF_ST, snmp_confFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_CONF_ST, SQ_CONF, CONF_STORAGE, CONF_ST_SWMAXSZ),
						LEN_CONF_ST, snmp_confFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_CONF_ST, SQ_CONF, CONF_STORAGE, CONF_ST_SWHIWM),
						LEN_CONF_ST, snmp_confFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_CONF_ST, SQ_CONF, CONF_STORAGE, CONF_ST_SWLOWM),
						LEN_CONF_ST, snmp_confFn, static_Inst, 0))),
				    snmpAddNode(snmpCreateOid(LEN_SQ_PRF, SQ_PRF),
					LEN_SQ_PRF, NULL, NULL, 2,
					snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 1, SQ_PRF, PERF_SYS),
					    LEN_SQ_PRF + 1, NULL, NULL, 11,
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 1),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 2),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 3),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 4),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 5),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 6),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 7),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 8),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 9),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 10),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_SYS, 11),
						LEN_SQ_PRF + 2, snmp_prfSysFn, static_Inst, 0)),
					snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 1, SQ_PRF, PERF_PROTO),
					    LEN_SQ_PRF + 1, NULL, NULL, 2,
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_PROTO, 1),
						LEN_SQ_PRF + 2, NULL, NULL, 15,
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 1),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 2),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 3),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 4),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 5),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 6),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 7),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 8),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 9),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 10),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 11),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 12),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 13),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 14),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 1, 15),
						    LEN_SQ_PRF + 3, snmp_prfProtoFn, static_Inst, 0)),
					    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 2, SQ_PRF, PERF_PROTO, 2),
						LEN_SQ_PRF + 2, NULL, NULL, 1,
						snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 3, SQ_PRF, PERF_PROTO, 2, 1),
						    LEN_SQ_PRF + 3, NULL, NULL, 10,
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 1),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 2),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 3),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 4),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 5),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 6),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 7),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 8),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 9),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0),
						    snmpAddNode(snmpCreateOid(LEN_SQ_PRF + 4, SQ_PRF, PERF_PROTO, 2, 1, 10),
							LEN_SQ_PRF + 4, snmp_prfProtoFn, time_Inst, 0))))),
				    snmpAddNode(snmpCreateOid(LEN_SQ_NET, SQ_NET),
					LEN_SQ_NET, NULL, NULL, 3,
					snmpAddNode(snmpCreateOid(LEN_SQ_NET + 1, SQ_NET, NET_IP_CACHE),
					    LEN_SQ_NET + 1, NULL, NULL, 8,
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_ENT),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_REQ),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_HITS),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_PENDHIT),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_NEGHIT),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_MISS),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_GHBN),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_IP_CACHE, IP_LOC),
						LEN_SQ_NET + 2, snmp_netIpFn, static_Inst, 0)),
					snmpAddNode(snmpCreateOid(LEN_SQ_NET + 1, SQ_NET, NET_FQDN_CACHE),
					    LEN_SQ_NET + 1, NULL, NULL, 7,
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_ENT),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_REQ),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_HITS),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_PENDHIT),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_NEGHIT),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_MISS),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_FQDN_CACHE, FQDN_GHBN),
						LEN_SQ_NET + 2, snmp_netFqdnFn, static_Inst, 0)),
					snmpAddNode(snmpCreateOid(LEN_SQ_NET + 1, SQ_NET, NET_DNS_CACHE),
					    LEN_SQ_NET + 1, NULL, NULL, 3,
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_DNS_CACHE, DNS_REQ),
						LEN_SQ_NET + 2, snmp_netDnsFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_DNS_CACHE, DNS_REP),
						LEN_SQ_NET + 2, snmp_netDnsFn, static_Inst, 0),
					    snmpAddNode(snmpCreateOid(LEN_SQ_NET + 2, SQ_NET, NET_DNS_CACHE, DNS_SERVERS),
						LEN_SQ_NET + 2, snmp_netDnsFn, static_Inst, 0))),
				    snmpAddNode(snmpCreateOid(LEN_SQ_MESH, SQ_MESH),
					LEN_SQ_MESH, NULL, NULL, 2,
					snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 1, SQ_MESH, 1),
					    LEN_SQ_MESH + 1, NULL, NULL, 1,
					    snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 2, SQ_MESH, 1, 1),
						LEN_SQ_MESH + 2, NULL, NULL, 13,
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 1),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 2),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 3),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 4),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 5),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 6),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 7),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 8),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 9),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 10),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 11),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 12),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 1, 1, 13),
						    LEN_SQ_MESH + 3, snmp_meshPtblFn, peer_Inst, 0))),
					snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 1, SQ_MESH, 2),
					    LEN_SQ_MESH + 1, NULL, NULL, 1,
					    snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 2, SQ_MESH, 2, 1),
						LEN_SQ_MESH + 2, NULL, NULL, 9,
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 1),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 2),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 3),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 4),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 5),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 6),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 7),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 8),
						    LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0),
						(mib_tree_last = snmpAddNode(snmpCreateOid(LEN_SQ_MESH + 3, SQ_MESH, 2, 1, 9),
							LEN_SQ_MESH + 3, snmp_meshCtblFn, client_Inst, 0)))))
				)
			    )
			)
		    )
		)
	    )
	)
	);

    debug(49, 9) ("snmpInit: Completed SNMP mib tree structure\n");
}

void
snmpConnectionOpen(void)
{
    u_short port;
    struct sockaddr_in xaddr;
    socklen_t len;
    int x;

    debug(49, 5) ("snmpConnectionOpen: Called\n");
    if ((port = Config.Port.snmp) > (u_short) 0) {
	enter_suid();
	theInSnmpConnection = comm_open(SOCK_DGRAM,
	    0,
	    Config.Addrs.snmp_incoming,
	    port,
	    COMM_NONBLOCKING,
	    "SNMP Port");