mirror of
https://github.com/reactos/reactos.git
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1464 lines
47 KiB
C
1464 lines
47 KiB
C
/*
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* Copyright 2008 Juan Lang
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <limits.h>
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#include "windef.h"
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#include "winbase.h"
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#include "snmp.h"
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#include "iphlpapi.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(inetmib1);
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/**
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* Utility functions
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*/
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static DWORD copyInt(AsnAny *value, void *src)
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{
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value->asnType = ASN_INTEGER;
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value->asnValue.number = *(DWORD *)src;
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return SNMP_ERRORSTATUS_NOERROR;
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}
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static void setStringValue(AsnAny *value, BYTE type, DWORD len, BYTE *str)
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{
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AsnAny strValue;
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strValue.asnType = type;
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strValue.asnValue.string.stream = str;
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strValue.asnValue.string.length = len;
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strValue.asnValue.string.dynamic = FALSE;
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SnmpUtilAsnAnyCpy(value, &strValue);
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}
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typedef DWORD (*copyValueFunc)(AsnAny *value, void *src);
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struct structToAsnValue
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{
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size_t offset;
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copyValueFunc copy;
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};
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static AsnInteger32 mapStructEntryToValue(struct structToAsnValue *map,
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UINT mapLen, void *record, UINT id, BYTE bPduType, SnmpVarBind *pVarBind)
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{
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/* OIDs are 1-based */
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if (!id)
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return SNMP_ERRORSTATUS_NOSUCHNAME;
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--id;
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if (id >= mapLen)
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return SNMP_ERRORSTATUS_NOSUCHNAME;
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if (!map[id].copy)
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return SNMP_ERRORSTATUS_NOSUCHNAME;
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return map[id].copy(&pVarBind->value, (BYTE *)record + map[id].offset);
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}
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static DWORD copyIpAddr(AsnAny *value, void *src)
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{
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setStringValue(value, ASN_IPADDRESS, sizeof(DWORD), src);
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return SNMP_ERRORSTATUS_NOERROR;
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}
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static UINT mib2[] = { 1,3,6,1,2,1 };
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static UINT mib2System[] = { 1,3,6,1,2,1,1 };
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typedef BOOL (*varqueryfunc)(BYTE bPduType, SnmpVarBind *pVarBind,
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AsnInteger32 *pErrorStatus);
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struct mibImplementation
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{
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AsnObjectIdentifier name;
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void (*init)(void);
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varqueryfunc query;
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void (*cleanup)(void);
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};
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static UINT mib2IfNumber[] = { 1,3,6,1,2,1,2,1 };
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static PMIB_IFTABLE ifTable;
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static void mib2IfNumberInit(void)
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{
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DWORD size = 0, ret = GetIfTable(NULL, &size, FALSE);
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if (ret == ERROR_INSUFFICIENT_BUFFER)
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{
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MIB_IFTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
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if (table)
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{
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if (!GetIfTable(table, &size, FALSE)) ifTable = table;
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else HeapFree(GetProcessHeap(), 0, table );
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}
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}
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}
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static void mib2IfNumberCleanup(void)
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{
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HeapFree(GetProcessHeap(), 0, ifTable);
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}
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static BOOL mib2IfNumberQuery(BYTE bPduType, SnmpVarBind *pVarBind,
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AsnInteger32 *pErrorStatus)
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{
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AsnObjectIdentifier numberOid = DEFINE_OID(mib2IfNumber);
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BOOL ret = TRUE;
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TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
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pErrorStatus);
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switch (bPduType)
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{
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case SNMP_PDU_GET:
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case SNMP_PDU_GETNEXT:
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if ((bPduType == SNMP_PDU_GET &&
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!SnmpUtilOidNCmp(&pVarBind->name, &numberOid, numberOid.idLength))
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|| SnmpUtilOidNCmp(&pVarBind->name, &numberOid, numberOid.idLength)
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< 0)
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{
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DWORD numIfs = ifTable ? ifTable->dwNumEntries : 0;
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copyInt(&pVarBind->value, &numIfs);
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if (bPduType == SNMP_PDU_GETNEXT)
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{
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SnmpUtilOidFree(&pVarBind->name);
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SnmpUtilOidCpy(&pVarBind->name, &numberOid);
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}
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*pErrorStatus = SNMP_ERRORSTATUS_NOERROR;
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}
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else
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{
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*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
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/* Caller deals with OID if bPduType == SNMP_PDU_GETNEXT, so don't
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* need to set it here.
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*/
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}
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break;
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case SNMP_PDU_SET:
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*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
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ret = FALSE;
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break;
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default:
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FIXME("0x%02x: unsupported PDU type\n", bPduType);
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*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
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return ret;
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}
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static DWORD copyOperStatus(AsnAny *value, void *src)
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{
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value->asnType = ASN_INTEGER;
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/* The IPHlpApi definition of operational status differs from the MIB2 one,
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* so map it to the MIB2 value.
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*/
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switch (*(DWORD *)src)
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{
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case MIB_IF_OPER_STATUS_OPERATIONAL:
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value->asnValue.number = MIB_IF_ADMIN_STATUS_UP;
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break;
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case MIB_IF_OPER_STATUS_CONNECTING:
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case MIB_IF_OPER_STATUS_CONNECTED:
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value->asnValue.number = MIB_IF_ADMIN_STATUS_TESTING;
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break;
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default:
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value->asnValue.number = MIB_IF_ADMIN_STATUS_DOWN;
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};
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return SNMP_ERRORSTATUS_NOERROR;
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}
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/* Given an OID and a base OID that it must begin with, finds the item and
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* integer instance from the OID. E.g., given an OID foo.1.2 and a base OID
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* foo, returns item 1 and instance 2.
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* If bPduType is not SNMP_PDU_GETNEXT and either the item or instance is
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* missing, returns SNMP_ERRORSTATUS_NOSUCHNAME.
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* If bPduType is SNMP_PDU_GETNEXT, returns the successor to the item and
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* instance, or item 1, instance 1 if either is missing.
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*/
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static AsnInteger32 getItemAndIntegerInstanceFromOid(AsnObjectIdentifier *oid,
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AsnObjectIdentifier *base, BYTE bPduType, UINT *item, UINT *instance)
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{
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AsnInteger32 ret = SNMP_ERRORSTATUS_NOERROR;
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switch (bPduType)
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{
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case SNMP_PDU_GETNEXT:
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if (SnmpUtilOidNCmp(oid, base, base->idLength) < 0)
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{
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*item = 1;
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*instance = 1;
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}
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else if (!SnmpUtilOidNCmp(oid, base, base->idLength))
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{
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if (oid->idLength == base->idLength ||
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oid->idLength == base->idLength + 1)
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{
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/* Either the table or an item within the table is specified,
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* but the instance is not. Get the first instance.
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*/
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*instance = 1;
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if (oid->idLength == base->idLength + 1)
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*item = oid->ids[base->idLength];
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else
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*item = 1;
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}
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else
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{
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*item = oid->ids[base->idLength];
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*instance = oid->ids[base->idLength + 1] + 1;
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}
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}
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else
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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break;
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default:
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if (!SnmpUtilOidNCmp(oid, base, base->idLength))
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{
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if (oid->idLength == base->idLength ||
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oid->idLength == base->idLength + 1)
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{
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/* Either the table or an item within the table is specified,
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* but the instance is not.
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*/
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
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else
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{
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*item = oid->ids[base->idLength];
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*instance = oid->ids[base->idLength + 1];
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}
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}
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else
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
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return ret;
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}
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/* Given an OID and a base OID that it must begin with, finds the item from the
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* OID. E.g., given an OID foo.1 and a base OID foo, returns item 1.
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* If bPduType is not SNMP_PDU_GETNEXT and the item is missing, returns
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* SNMP_ERRORSTATUS_NOSUCHNAME.
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* If bPduType is SNMP_PDU_GETNEXT, returns the successor to the item, or item
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* 1 if the item is missing.
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*/
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static AsnInteger32 getItemFromOid(AsnObjectIdentifier *oid,
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AsnObjectIdentifier *base, BYTE bPduType, UINT *item)
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{
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AsnInteger32 ret = SNMP_ERRORSTATUS_NOERROR;
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switch (bPduType)
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{
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case SNMP_PDU_GETNEXT:
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if (SnmpUtilOidNCmp(oid, base, base->idLength) < 0)
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*item = 1;
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else if (!SnmpUtilOidNCmp(oid, base, base->idLength))
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{
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if (oid->idLength == base->idLength)
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{
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/* The item is missing, assume the first item */
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*item = 1;
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}
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else
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*item = oid->ids[base->idLength] + 1;
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}
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else
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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break;
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default:
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if (!SnmpUtilOidNCmp(oid, base, base->idLength))
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{
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if (oid->idLength == base->idLength)
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{
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/* The item is missing */
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
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else
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{
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*item = oid->ids[base->idLength];
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if (!*item)
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
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}
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else
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
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return ret;
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}
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struct GenericTable
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{
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DWORD numEntries;
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BYTE entries[1];
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};
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static DWORD oidToIpAddr(AsnObjectIdentifier *oid)
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{
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assert(oid && oid->idLength >= 4);
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/* Map the IDs to an IP address in little-endian order */
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return (BYTE)oid->ids[3] << 24 | (BYTE)oid->ids[2] << 16 |
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(BYTE)oid->ids[1] << 8 | (BYTE)oid->ids[0];
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}
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typedef void (*oidToKeyFunc)(AsnObjectIdentifier *oid, void *dst);
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typedef int (*compareFunc)(const void *key, const void *value);
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/* Finds the first value in the table that matches key. Returns its 1-based
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* index if found, or 0 if not found.
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*/
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static UINT findValueInTable(const void *key,
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struct GenericTable *table, size_t tableEntrySize, compareFunc compare)
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{
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UINT index = 0;
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void *value;
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value = bsearch(key, table->entries, table->numEntries, tableEntrySize,
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compare);
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if (value)
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index = ((BYTE *)value - (BYTE *)table->entries) / tableEntrySize + 1;
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return index;
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}
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/* Finds the first value in the table that matches oid, using makeKey to
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* convert the oid to a key for comparison. Returns the value's 1-based
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* index if found, or 0 if not found.
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*/
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static UINT findOidInTable(AsnObjectIdentifier *oid,
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struct GenericTable *table, size_t tableEntrySize, oidToKeyFunc makeKey,
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compareFunc compare)
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{
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UINT index = 0;
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void *key = HeapAlloc(GetProcessHeap(), 0, tableEntrySize);
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if (key)
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{
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makeKey(oid, key);
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index = findValueInTable(key, table, tableEntrySize, compare);
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HeapFree(GetProcessHeap(), 0, key);
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}
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return index;
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}
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/* Finds the first successor to the value in the table that does matches oid,
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* using makeKey to convert the oid to a key for comparison. A successor is
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* a value that does not match oid, so if multiple entries match an oid, only
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* the first will ever be returned using this method.
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* Returns the successor's 1-based index if found, or 0 if not found.
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*/
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static UINT findNextOidInTable(AsnObjectIdentifier *oid,
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struct GenericTable *table, size_t tableEntrySize, oidToKeyFunc makeKey,
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compareFunc compare)
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{
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UINT index = 0;
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void *key = HeapAlloc(GetProcessHeap(), 0, tableEntrySize);
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if (key)
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{
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makeKey(oid, key);
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index = findValueInTable(key, table, tableEntrySize, compare);
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if (index == 0)
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{
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/* Not found in table. If it's less than the first entry, return
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* the first index. Otherwise just return 0 and let the caller
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* handle finding the successor.
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*/
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if (compare(key, table->entries) < 0)
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index = 1;
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}
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else
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{
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/* Skip any entries that match the same key. This enumeration will
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* be incomplete, but it's what Windows appears to do if there are
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* multiple entries with the same index in a table, and it avoids
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* an infinite loop.
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*/
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for (++index; index <= table->numEntries && compare(key,
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&table->entries[tableEntrySize * (index - 1)]) == 0; ++index)
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;
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}
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HeapFree(GetProcessHeap(), 0, key);
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}
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return index;
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}
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|
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/* Given an OID and a base OID that it must begin with, finds the item and
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* element of the table whose value matches the instance from the OID.
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* The OID is converted to a key with the function makeKey, and compared
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* against entries in the table with the function compare.
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* If bPduType is not SNMP_PDU_GETNEXT and either the item or instance is
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* missing, returns SNMP_ERRORSTATUS_NOSUCHNAME.
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* If bPduType is SNMP_PDU_GETNEXT, returns the successor to the item and
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* instance, or item 1, instance 1 if either is missing.
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*/
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static AsnInteger32 getItemAndInstanceFromTable(AsnObjectIdentifier *oid,
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AsnObjectIdentifier *base, UINT instanceLen, BYTE bPduType,
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struct GenericTable *table, size_t tableEntrySize, oidToKeyFunc makeKey,
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compareFunc compare, UINT *item, UINT *instance)
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|
{
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AsnInteger32 ret = SNMP_ERRORSTATUS_NOERROR;
|
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|
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if (!table)
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return SNMP_ERRORSTATUS_NOSUCHNAME;
|
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|
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switch (bPduType)
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{
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case SNMP_PDU_GETNEXT:
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if (SnmpUtilOidNCmp(oid, base, base->idLength) < 0)
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{
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/* Return the first item and instance from the table */
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*item = 1;
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*instance = 1;
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}
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else if (!SnmpUtilOidNCmp(oid, base, base->idLength) &&
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oid->idLength < base->idLength + instanceLen + 1)
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{
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/* Either the table or an item is specified, but the instance is
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* not.
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|
*/
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*instance = 1;
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if (oid->idLength >= base->idLength + 1)
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{
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*item = oid->ids[base->idLength];
|
|
if (!*item)
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*item = 1;
|
|
}
|
|
else
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*item = 1;
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}
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|
else if (!SnmpUtilOidNCmp(oid, base, base->idLength) &&
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oid->idLength == base->idLength + instanceLen + 1)
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|
{
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*item = oid->ids[base->idLength];
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|
if (!*item)
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|
{
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*instance = 1;
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*item = 1;
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}
|
|
else
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{
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AsnObjectIdentifier instanceOid = { instanceLen,
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oid->ids + base->idLength + 1 };
|
|
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*instance = findNextOidInTable(&instanceOid, table,
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tableEntrySize, makeKey, compare);
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if (!*instance || *instance > table->numEntries)
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
|
|
}
|
|
else
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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break;
|
|
default:
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|
if (!SnmpUtilOidNCmp(oid, base, base->idLength) &&
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oid->idLength == base->idLength + instanceLen + 1)
|
|
{
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*item = oid->ids[base->idLength];
|
|
if (!*item)
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
else
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{
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AsnObjectIdentifier instanceOid = { instanceLen,
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oid->ids + base->idLength + 1 };
|
|
|
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*instance = findOidInTable(&instanceOid, table, tableEntrySize,
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makeKey, compare);
|
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if (!*instance)
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
|
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}
|
|
}
|
|
else
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ret = SNMP_ERRORSTATUS_NOSUCHNAME;
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}
|
|
return ret;
|
|
}
|
|
|
|
static INT setOidWithItem(AsnObjectIdentifier *dst, AsnObjectIdentifier *base,
|
|
UINT item)
|
|
{
|
|
UINT id;
|
|
AsnObjectIdentifier oid;
|
|
INT ret;
|
|
|
|
SnmpUtilOidFree(dst);
|
|
ret = SnmpUtilOidCpy(dst, base);
|
|
if (ret)
|
|
{
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oid.idLength = 1;
|
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oid.ids = &id;
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id = item;
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ret = SnmpUtilOidAppend(dst, &oid);
|
|
}
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return ret;
|
|
}
|
|
|
|
static INT setOidWithItemAndIpAddr(AsnObjectIdentifier *dst,
|
|
AsnObjectIdentifier *base, UINT item, DWORD addr)
|
|
{
|
|
UINT id;
|
|
BYTE *ptr;
|
|
AsnObjectIdentifier oid;
|
|
INT ret;
|
|
|
|
ret = setOidWithItem(dst, base, item);
|
|
if (ret)
|
|
{
|
|
oid.idLength = 1;
|
|
oid.ids = &id;
|
|
for (ptr = (BYTE *)&addr; ret && ptr < (BYTE *)&addr + sizeof(DWORD);
|
|
ptr++)
|
|
{
|
|
id = *ptr;
|
|
ret = SnmpUtilOidAppend(dst, &oid);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static INT setOidWithItemAndInteger(AsnObjectIdentifier *dst,
|
|
AsnObjectIdentifier *base, UINT item, UINT instance)
|
|
{
|
|
AsnObjectIdentifier oid;
|
|
INT ret;
|
|
|
|
ret = setOidWithItem(dst, base, item);
|
|
if (ret)
|
|
{
|
|
oid.idLength = 1;
|
|
oid.ids = &instance;
|
|
ret = SnmpUtilOidAppend(dst, &oid);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static DWORD copyIfRowDescr(AsnAny *value, void *src)
|
|
{
|
|
PMIB_IFROW row = (PMIB_IFROW)((BYTE *)src -
|
|
FIELD_OFFSET(MIB_IFROW, dwDescrLen));
|
|
DWORD ret;
|
|
|
|
if (row->dwDescrLen)
|
|
{
|
|
setStringValue(value, ASN_OCTETSTRING, row->dwDescrLen, row->bDescr);
|
|
ret = SNMP_ERRORSTATUS_NOERROR;
|
|
}
|
|
else
|
|
ret = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
return ret;
|
|
}
|
|
|
|
static DWORD copyIfRowPhysAddr(AsnAny *value, void *src)
|
|
{
|
|
PMIB_IFROW row = (PMIB_IFROW)((BYTE *)src -
|
|
FIELD_OFFSET(MIB_IFROW, dwPhysAddrLen));
|
|
DWORD ret;
|
|
|
|
if (row->dwPhysAddrLen)
|
|
{
|
|
setStringValue(value, ASN_OCTETSTRING, row->dwPhysAddrLen,
|
|
row->bPhysAddr);
|
|
ret = SNMP_ERRORSTATUS_NOERROR;
|
|
}
|
|
else
|
|
ret = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
return ret;
|
|
}
|
|
|
|
static struct structToAsnValue mib2IfEntryMap[] = {
|
|
{ FIELD_OFFSET(MIB_IFROW, dwIndex), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwDescrLen), copyIfRowDescr },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwType), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwMtu), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwSpeed), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwPhysAddrLen), copyIfRowPhysAddr },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwAdminStatus), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOperStatus), copyOperStatus },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwLastChange), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwInOctets), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwInUcastPkts), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwInNUcastPkts), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwInDiscards), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwInErrors), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwInUnknownProtos), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOutOctets), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOutUcastPkts), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOutNUcastPkts), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOutDiscards), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOutErrors), copyInt },
|
|
{ FIELD_OFFSET(MIB_IFROW, dwOutQLen), copyInt },
|
|
};
|
|
|
|
static UINT mib2IfEntry[] = { 1,3,6,1,2,1,2,2,1 };
|
|
|
|
static BOOL mib2IfEntryQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier entryOid = DEFINE_OID(mib2IfEntry);
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
if (!ifTable)
|
|
{
|
|
/* There is no interface present, so let the caller deal
|
|
* with finding the successor.
|
|
*/
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
else
|
|
{
|
|
UINT tableIndex = 0, item = 0;
|
|
|
|
*pErrorStatus = getItemAndIntegerInstanceFromOid(&pVarBind->name,
|
|
&entryOid, bPduType, &item, &tableIndex);
|
|
if (!*pErrorStatus)
|
|
{
|
|
assert(tableIndex);
|
|
assert(item);
|
|
if (tableIndex > ifTable->dwNumEntries)
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
else
|
|
{
|
|
*pErrorStatus = mapStructEntryToValue(mib2IfEntryMap,
|
|
DEFINE_SIZEOF(mib2IfEntryMap),
|
|
&ifTable->table[tableIndex - 1], item, bPduType,
|
|
pVarBind);
|
|
if (bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItemAndInteger(&pVarBind->name,
|
|
&entryOid, item, tableIndex);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2Ip[] = { 1,3,6,1,2,1,4 };
|
|
static MIB_IPSTATS ipStats;
|
|
|
|
static void mib2IpStatsInit(void)
|
|
{
|
|
GetIpStatistics(&ipStats);
|
|
}
|
|
|
|
static struct structToAsnValue mib2IpMap[] = {
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwForwarding), copyInt }, /* 1 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwDefaultTTL), copyInt }, /* 2 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwInReceives), copyInt }, /* 3 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwInHdrErrors), copyInt }, /* 4 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwInAddrErrors), copyInt }, /* 5 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwForwDatagrams), copyInt }, /* 6 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwInUnknownProtos), copyInt }, /* 7 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwInDiscards), copyInt }, /* 8 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwInDelivers), copyInt }, /* 9 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwOutRequests), copyInt }, /* 10 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwOutDiscards), copyInt }, /* 11 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwOutNoRoutes), copyInt }, /* 12 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwReasmTimeout), copyInt }, /* 13 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwReasmReqds), copyInt }, /* 14 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwReasmOks), copyInt }, /* 15 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwReasmFails), copyInt }, /* 16 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwFragOks), copyInt }, /* 17 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwFragFails), copyInt }, /* 18 */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwFragCreates), copyInt }, /* 19 */
|
|
{ 0, NULL }, /* 20: not used, IP addr table */
|
|
{ 0, NULL }, /* 21: not used, route table */
|
|
{ 0, NULL }, /* 22: not used, net to media (ARP) table */
|
|
{ FIELD_OFFSET(MIB_IPSTATS, dwRoutingDiscards), copyInt }, /* 23 */
|
|
};
|
|
|
|
static BOOL mib2IpStatsQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2Ip);
|
|
UINT item = 0;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
*pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
|
|
&item);
|
|
if (!*pErrorStatus)
|
|
{
|
|
*pErrorStatus = mapStructEntryToValue(mib2IpMap,
|
|
DEFINE_SIZEOF(mib2IpMap), &ipStats, item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItem(&pVarBind->name, &myOid, item);
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2IpAddr[] = { 1,3,6,1,2,1,4,20,1 };
|
|
static PMIB_IPADDRTABLE ipAddrTable;
|
|
|
|
static struct structToAsnValue mib2IpAddrMap[] = {
|
|
{ FIELD_OFFSET(MIB_IPADDRROW, dwAddr), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_IPADDRROW, dwIndex), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPADDRROW, dwMask), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_IPADDRROW, dwBCastAddr), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPADDRROW, dwReasmSize), copyInt },
|
|
};
|
|
|
|
static void mib2IpAddrInit(void)
|
|
{
|
|
DWORD size = 0, ret = GetIpAddrTable(NULL, &size, TRUE);
|
|
|
|
if (ret == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
MIB_IPADDRTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
|
|
if (table)
|
|
{
|
|
if (!GetIpAddrTable(table, &size, TRUE)) ipAddrTable = table;
|
|
else HeapFree(GetProcessHeap(), 0, table );
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mib2IpAddrCleanup(void)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, ipAddrTable);
|
|
}
|
|
|
|
static void oidToIpAddrRow(AsnObjectIdentifier *oid, void *dst)
|
|
{
|
|
MIB_IPADDRROW *row = dst;
|
|
|
|
row->dwAddr = oidToIpAddr(oid);
|
|
}
|
|
|
|
static int compareIpAddrRow(const void *a, const void *b)
|
|
{
|
|
const MIB_IPADDRROW *key = a, *value = b;
|
|
|
|
return key->dwAddr - value->dwAddr;
|
|
}
|
|
|
|
static BOOL mib2IpAddrQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2IpAddr);
|
|
UINT tableIndex = 0, item = 0;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
*pErrorStatus = getItemAndInstanceFromTable(&pVarBind->name,
|
|
&myOid, 4, bPduType, (struct GenericTable *)ipAddrTable,
|
|
sizeof(MIB_IPADDRROW), oidToIpAddrRow, compareIpAddrRow, &item,
|
|
&tableIndex);
|
|
if (!*pErrorStatus)
|
|
{
|
|
assert(tableIndex);
|
|
assert(item);
|
|
*pErrorStatus = mapStructEntryToValue(mib2IpAddrMap,
|
|
DEFINE_SIZEOF(mib2IpAddrMap),
|
|
&ipAddrTable->table[tableIndex - 1], item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItemAndIpAddr(&pVarBind->name, &myOid, item,
|
|
ipAddrTable->table[tableIndex - 1].dwAddr);
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2IpRoute[] = { 1,3,6,1,2,1,4,21,1 };
|
|
static PMIB_IPFORWARDTABLE ipRouteTable;
|
|
|
|
static struct structToAsnValue mib2IpRouteMap[] = {
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardDest), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardIfIndex), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric1), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric2), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric3), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric4), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardNextHop), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardType), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardProto), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardAge), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMask), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric5), copyInt },
|
|
};
|
|
|
|
static void mib2IpRouteInit(void)
|
|
{
|
|
DWORD size = 0, ret = GetIpForwardTable(NULL, &size, TRUE);
|
|
|
|
if (ret == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
MIB_IPFORWARDTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
|
|
if (table)
|
|
{
|
|
if (!GetIpForwardTable(table, &size, TRUE)) ipRouteTable = table;
|
|
else HeapFree(GetProcessHeap(), 0, table );
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mib2IpRouteCleanup(void)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, ipRouteTable);
|
|
}
|
|
|
|
static void oidToIpForwardRow(AsnObjectIdentifier *oid, void *dst)
|
|
{
|
|
MIB_IPFORWARDROW *row = dst;
|
|
|
|
row->dwForwardDest = oidToIpAddr(oid);
|
|
}
|
|
|
|
static int compareIpForwardRow(const void *a, const void *b)
|
|
{
|
|
const MIB_IPFORWARDROW *key = a, *value = b;
|
|
|
|
return key->dwForwardDest - value->dwForwardDest;
|
|
}
|
|
|
|
static BOOL mib2IpRouteQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2IpRoute);
|
|
UINT tableIndex = 0, item = 0;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
*pErrorStatus = getItemAndInstanceFromTable(&pVarBind->name,
|
|
&myOid, 4, bPduType, (struct GenericTable *)ipRouteTable,
|
|
sizeof(MIB_IPFORWARDROW), oidToIpForwardRow, compareIpForwardRow,
|
|
&item, &tableIndex);
|
|
if (!*pErrorStatus)
|
|
{
|
|
assert(tableIndex);
|
|
assert(item);
|
|
*pErrorStatus = mapStructEntryToValue(mib2IpRouteMap,
|
|
DEFINE_SIZEOF(mib2IpRouteMap),
|
|
&ipRouteTable->table[tableIndex - 1], item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItemAndIpAddr(&pVarBind->name, &myOid, item,
|
|
ipRouteTable->table[tableIndex - 1].dwForwardDest);
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2IpNet[] = { 1,3,6,1,2,1,4,22,1 };
|
|
static PMIB_IPNETTABLE ipNetTable;
|
|
|
|
static DWORD copyIpNetPhysAddr(AsnAny *value, void *src)
|
|
{
|
|
PMIB_IPNETROW row = (PMIB_IPNETROW)((BYTE *)src - FIELD_OFFSET(MIB_IPNETROW,
|
|
dwPhysAddrLen));
|
|
|
|
setStringValue(value, ASN_OCTETSTRING, row->dwPhysAddrLen, row->bPhysAddr);
|
|
return SNMP_ERRORSTATUS_NOERROR;
|
|
}
|
|
|
|
static struct structToAsnValue mib2IpNetMap[] = {
|
|
{ FIELD_OFFSET(MIB_IPNETROW, dwIndex), copyInt },
|
|
{ FIELD_OFFSET(MIB_IPNETROW, dwPhysAddrLen), copyIpNetPhysAddr },
|
|
{ FIELD_OFFSET(MIB_IPNETROW, dwAddr), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_IPNETROW, dwType), copyInt },
|
|
};
|
|
|
|
static void mib2IpNetInit(void)
|
|
{
|
|
DWORD size = 0, ret = GetIpNetTable(NULL, &size, FALSE);
|
|
|
|
if (ret == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
MIB_IPNETTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
|
|
if (table)
|
|
{
|
|
if (!GetIpNetTable(table, &size, FALSE)) ipNetTable = table;
|
|
else HeapFree(GetProcessHeap(), 0, table );
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mib2IpNetCleanup(void)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, ipNetTable);
|
|
}
|
|
|
|
static BOOL mib2IpNetQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2IpNet);
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
if (!ipNetTable)
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
else
|
|
{
|
|
UINT tableIndex = 0, item = 0;
|
|
|
|
*pErrorStatus = getItemAndIntegerInstanceFromOid(&pVarBind->name,
|
|
&myOid, bPduType, &item, &tableIndex);
|
|
if (!*pErrorStatus)
|
|
{
|
|
assert(tableIndex);
|
|
assert(item);
|
|
if (tableIndex > ipNetTable->dwNumEntries)
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
else
|
|
{
|
|
*pErrorStatus = mapStructEntryToValue(mib2IpNetMap,
|
|
DEFINE_SIZEOF(mib2IpNetMap),
|
|
&ipNetTable[tableIndex - 1], item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItemAndInteger(&pVarBind->name, &myOid,
|
|
item, tableIndex);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2Icmp[] = { 1,3,6,1,2,1,5 };
|
|
static MIB_ICMP icmpStats;
|
|
|
|
static void mib2IcmpInit(void)
|
|
{
|
|
GetIcmpStatistics(&icmpStats);
|
|
}
|
|
|
|
static struct structToAsnValue mib2IcmpMap[] = {
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwMsgs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwErrors), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwDestUnreachs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwTimeExcds), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwParmProbs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwSrcQuenchs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwRedirects), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwEchos), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwEchoReps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwTimestamps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwTimestampReps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwAddrMasks), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwAddrMaskReps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwMsgs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwErrors), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwDestUnreachs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwTimeExcds), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwParmProbs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwSrcQuenchs), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwRedirects), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwEchos), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwEchoReps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwTimestamps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwTimestampReps), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwAddrMasks), copyInt },
|
|
{ FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwAddrMaskReps), copyInt },
|
|
};
|
|
|
|
static BOOL mib2IcmpQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2Icmp);
|
|
UINT item = 0;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
*pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
|
|
&item);
|
|
if (!*pErrorStatus)
|
|
{
|
|
*pErrorStatus = mapStructEntryToValue(mib2IcmpMap,
|
|
DEFINE_SIZEOF(mib2IcmpMap), &icmpStats, item, bPduType,
|
|
pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItem(&pVarBind->name, &myOid, item);
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2Tcp[] = { 1,3,6,1,2,1,6 };
|
|
static MIB_TCPSTATS tcpStats;
|
|
|
|
static void mib2TcpInit(void)
|
|
{
|
|
GetTcpStatistics(&tcpStats);
|
|
}
|
|
|
|
static struct structToAsnValue mib2TcpMap[] = {
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwRtoAlgorithm), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwRtoMin), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwRtoMax), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwMaxConn), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwActiveOpens), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwPassiveOpens), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwAttemptFails), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwEstabResets), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwCurrEstab), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwInSegs), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwOutSegs), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwRetransSegs), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwInErrs), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwOutRsts), copyInt },
|
|
{ FIELD_OFFSET(MIB_TCPSTATS, dwNumConns), copyInt },
|
|
};
|
|
|
|
static BOOL mib2TcpQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2Tcp);
|
|
UINT item = 0;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
*pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
|
|
&item);
|
|
if (!*pErrorStatus)
|
|
{
|
|
*pErrorStatus = mapStructEntryToValue(mib2TcpMap,
|
|
DEFINE_SIZEOF(mib2TcpMap), &tcpStats, item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItem(&pVarBind->name, &myOid, item);
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2Udp[] = { 1,3,6,1,2,1,7 };
|
|
static MIB_UDPSTATS udpStats;
|
|
|
|
static void mib2UdpInit(void)
|
|
{
|
|
GetUdpStatistics(&udpStats);
|
|
}
|
|
|
|
static struct structToAsnValue mib2UdpMap[] = {
|
|
{ FIELD_OFFSET(MIB_UDPSTATS, dwInDatagrams), copyInt },
|
|
{ FIELD_OFFSET(MIB_UDPSTATS, dwNoPorts), copyInt },
|
|
{ FIELD_OFFSET(MIB_UDPSTATS, dwInErrors), copyInt },
|
|
{ FIELD_OFFSET(MIB_UDPSTATS, dwOutDatagrams), copyInt },
|
|
};
|
|
|
|
static BOOL mib2UdpQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2Udp);
|
|
UINT item;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
*pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
|
|
&item);
|
|
if (!*pErrorStatus)
|
|
{
|
|
*pErrorStatus = mapStructEntryToValue(mib2UdpMap,
|
|
DEFINE_SIZEOF(mib2UdpMap), &udpStats, item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
ret = setOidWithItem(&pVarBind->name, &myOid, item);
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static UINT mib2UdpEntry[] = { 1,3,6,1,2,1,7,5,1 };
|
|
static PMIB_UDPTABLE udpTable;
|
|
|
|
static void mib2UdpEntryInit(void)
|
|
{
|
|
DWORD size = 0, ret = GetUdpTable(NULL, &size, TRUE);
|
|
|
|
if (ret == ERROR_INSUFFICIENT_BUFFER)
|
|
{
|
|
MIB_UDPTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
|
|
if (table)
|
|
{
|
|
if (!GetUdpTable(table, &size, TRUE)) udpTable = table;
|
|
else HeapFree(GetProcessHeap(), 0, table);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mib2UdpEntryCleanup(void)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, udpTable);
|
|
}
|
|
|
|
static struct structToAsnValue mib2UdpEntryMap[] = {
|
|
{ FIELD_OFFSET(MIB_UDPROW, dwLocalAddr), copyIpAddr },
|
|
{ FIELD_OFFSET(MIB_UDPROW, dwLocalPort), copyInt },
|
|
};
|
|
|
|
static void oidToUdpRow(AsnObjectIdentifier *oid, void *dst)
|
|
{
|
|
MIB_UDPROW *row = dst;
|
|
|
|
assert(oid && oid->idLength >= 5);
|
|
row->dwLocalAddr = oidToIpAddr(oid);
|
|
row->dwLocalPort = oid->ids[4];
|
|
}
|
|
|
|
static int compareUdpRow(const void *a, const void *b)
|
|
{
|
|
const MIB_UDPROW *key = a, *value = b;
|
|
int ret;
|
|
|
|
ret = key->dwLocalAddr - value->dwLocalAddr;
|
|
if (ret == 0)
|
|
ret = key->dwLocalPort - value->dwLocalPort;
|
|
return ret;
|
|
}
|
|
|
|
static BOOL mib2UdpEntryQuery(BYTE bPduType, SnmpVarBind *pVarBind,
|
|
AsnInteger32 *pErrorStatus)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2UdpEntry);
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
|
|
pErrorStatus);
|
|
|
|
switch (bPduType)
|
|
{
|
|
case SNMP_PDU_GET:
|
|
case SNMP_PDU_GETNEXT:
|
|
if (!udpTable)
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
else
|
|
{
|
|
UINT tableIndex = 0, item = 0;
|
|
|
|
*pErrorStatus = getItemAndInstanceFromTable(&pVarBind->name, &myOid,
|
|
5, bPduType, (struct GenericTable *)udpTable,
|
|
sizeof(MIB_UDPROW), oidToUdpRow, compareUdpRow, &item,
|
|
&tableIndex);
|
|
if (!*pErrorStatus)
|
|
{
|
|
assert(tableIndex);
|
|
assert(item);
|
|
*pErrorStatus = mapStructEntryToValue(mib2UdpEntryMap,
|
|
DEFINE_SIZEOF(mib2UdpEntryMap),
|
|
&udpTable->table[tableIndex - 1], item, bPduType, pVarBind);
|
|
if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
|
|
{
|
|
AsnObjectIdentifier oid;
|
|
|
|
ret = setOidWithItemAndIpAddr(&pVarBind->name, &myOid, item,
|
|
udpTable->table[tableIndex - 1].dwLocalAddr);
|
|
if (ret)
|
|
{
|
|
oid.idLength = 1;
|
|
oid.ids = &udpTable->table[tableIndex - 1].dwLocalPort;
|
|
ret = SnmpUtilOidAppend(&pVarBind->name, &oid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case SNMP_PDU_SET:
|
|
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
|
|
ret = FALSE;
|
|
break;
|
|
default:
|
|
FIXME("0x%02x: unsupported PDU type\n", bPduType);
|
|
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* This list MUST BE lexicographically sorted */
|
|
static struct mibImplementation supportedIDs[] = {
|
|
{ DEFINE_OID(mib2IfNumber), mib2IfNumberInit, mib2IfNumberQuery,
|
|
mib2IfNumberCleanup },
|
|
{ DEFINE_OID(mib2IfEntry), NULL, mib2IfEntryQuery, NULL },
|
|
{ DEFINE_OID(mib2Ip), mib2IpStatsInit, mib2IpStatsQuery, NULL },
|
|
{ DEFINE_OID(mib2IpAddr), mib2IpAddrInit, mib2IpAddrQuery,
|
|
mib2IpAddrCleanup },
|
|
{ DEFINE_OID(mib2IpRoute), mib2IpRouteInit, mib2IpRouteQuery,
|
|
mib2IpRouteCleanup },
|
|
{ DEFINE_OID(mib2IpNet), mib2IpNetInit, mib2IpNetQuery, mib2IpNetCleanup },
|
|
{ DEFINE_OID(mib2Icmp), mib2IcmpInit, mib2IcmpQuery, NULL },
|
|
{ DEFINE_OID(mib2Tcp), mib2TcpInit, mib2TcpQuery, NULL },
|
|
{ DEFINE_OID(mib2Udp), mib2UdpInit, mib2UdpQuery, NULL },
|
|
{ DEFINE_OID(mib2UdpEntry), mib2UdpEntryInit, mib2UdpEntryQuery,
|
|
mib2UdpEntryCleanup },
|
|
};
|
|
static UINT minSupportedIDLength;
|
|
|
|
/*****************************************************************************
|
|
* SnmpExtensionInit [INETMIB1.@]
|
|
*/
|
|
BOOL WINAPI SnmpExtensionInit(DWORD dwUptimeReference,
|
|
HANDLE *phSubagentTrapEvent, AsnObjectIdentifier *pFirstSupportedRegion)
|
|
{
|
|
AsnObjectIdentifier myOid = DEFINE_OID(mib2System);
|
|
UINT i;
|
|
|
|
TRACE("(%d, %p, %p)\n", dwUptimeReference, phSubagentTrapEvent,
|
|
pFirstSupportedRegion);
|
|
|
|
minSupportedIDLength = UINT_MAX;
|
|
for (i = 0; i < sizeof(supportedIDs) / sizeof(supportedIDs[0]); i++)
|
|
{
|
|
if (supportedIDs[i].init)
|
|
supportedIDs[i].init();
|
|
if (supportedIDs[i].name.idLength < minSupportedIDLength)
|
|
minSupportedIDLength = supportedIDs[i].name.idLength;
|
|
}
|
|
*phSubagentTrapEvent = NULL;
|
|
SnmpUtilOidCpy(pFirstSupportedRegion, &myOid);
|
|
return TRUE;
|
|
}
|
|
|
|
static void cleanup(void)
|
|
{
|
|
UINT i;
|
|
|
|
for (i = 0; i < sizeof(supportedIDs) / sizeof(supportedIDs[0]); i++)
|
|
if (supportedIDs[i].cleanup)
|
|
supportedIDs[i].cleanup();
|
|
}
|
|
|
|
static struct mibImplementation *findSupportedQuery(UINT *ids, UINT idLength,
|
|
UINT *matchingIndex)
|
|
{
|
|
int indexHigh = DEFINE_SIZEOF(supportedIDs) - 1, indexLow = 0, i;
|
|
struct mibImplementation *impl = NULL;
|
|
AsnObjectIdentifier oid1 = { idLength, ids};
|
|
|
|
if (!idLength)
|
|
return NULL;
|
|
for (i = (indexLow + indexHigh) / 2; !impl && indexLow <= indexHigh;
|
|
i = (indexLow + indexHigh) / 2)
|
|
{
|
|
INT cmp;
|
|
|
|
cmp = SnmpUtilOidNCmp(&oid1, &supportedIDs[i].name, idLength);
|
|
if (!cmp)
|
|
{
|
|
impl = &supportedIDs[i];
|
|
*matchingIndex = i;
|
|
}
|
|
else if (cmp > 0)
|
|
indexLow = i + 1;
|
|
else
|
|
indexHigh = i - 1;
|
|
}
|
|
return impl;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SnmpExtensionQuery [INETMIB1.@]
|
|
*/
|
|
BOOL WINAPI SnmpExtensionQuery(BYTE bPduType, SnmpVarBindList *pVarBindList,
|
|
AsnInteger32 *pErrorStatus, AsnInteger32 *pErrorIndex)
|
|
{
|
|
AsnObjectIdentifier mib2oid = DEFINE_OID(mib2);
|
|
AsnInteger32 error = SNMP_ERRORSTATUS_NOERROR, errorIndex = 0;
|
|
UINT i;
|
|
BOOL ret = TRUE;
|
|
|
|
TRACE("(0x%02x, %p, %p, %p)\n", bPduType, pVarBindList,
|
|
pErrorStatus, pErrorIndex);
|
|
|
|
for (i = 0; !error && i < pVarBindList->len; i++)
|
|
{
|
|
/* Ignore any OIDs not in MIB2 */
|
|
if (!SnmpUtilOidNCmp(&pVarBindList->list[i].name, &mib2oid,
|
|
mib2oid.idLength))
|
|
{
|
|
struct mibImplementation *impl = NULL;
|
|
UINT len, matchingIndex = 0;
|
|
|
|
TRACE("%s\n", SnmpUtilOidToA(&pVarBindList->list[i].name));
|
|
/* Search for an implementation matching as many octets as possible
|
|
*/
|
|
for (len = pVarBindList->list[i].name.idLength;
|
|
len >= minSupportedIDLength && !impl; len--)
|
|
impl = findSupportedQuery(pVarBindList->list[i].name.ids, len,
|
|
&matchingIndex);
|
|
if (impl && impl->query)
|
|
ret = impl->query(bPduType, &pVarBindList->list[i], &error);
|
|
else
|
|
error = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
if (error == SNMP_ERRORSTATUS_NOSUCHNAME &&
|
|
bPduType == SNMP_PDU_GETNEXT)
|
|
{
|
|
/* GetNext is special: it finds the successor to the given OID,
|
|
* so we have to continue until an implementation handles the
|
|
* query or we exhaust the table of supported OIDs.
|
|
*/
|
|
for (matchingIndex++; error == SNMP_ERRORSTATUS_NOSUCHNAME &&
|
|
matchingIndex < DEFINE_SIZEOF(supportedIDs);
|
|
matchingIndex++)
|
|
{
|
|
error = SNMP_ERRORSTATUS_NOERROR;
|
|
impl = &supportedIDs[matchingIndex];
|
|
if (impl->query)
|
|
ret = impl->query(bPduType, &pVarBindList->list[i],
|
|
&error);
|
|
else
|
|
error = SNMP_ERRORSTATUS_NOSUCHNAME;
|
|
}
|
|
/* If the query still isn't resolved, set the OID to the
|
|
* successor to the last entry in the table.
|
|
*/
|
|
if (error == SNMP_ERRORSTATUS_NOSUCHNAME)
|
|
{
|
|
SnmpUtilOidFree(&pVarBindList->list[i].name);
|
|
ret = SnmpUtilOidCpy(&pVarBindList->list[i].name,
|
|
&supportedIDs[matchingIndex - 1].name);
|
|
pVarBindList->list[i].name.ids[
|
|
pVarBindList->list[i].name.idLength - 1] += 1;
|
|
}
|
|
}
|
|
if (error)
|
|
errorIndex = i + 1;
|
|
}
|
|
}
|
|
*pErrorStatus = error;
|
|
*pErrorIndex = errorIndex;
|
|
return ret;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DllMain [INETMIB1.@]
|
|
*/
|
|
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
|
|
{
|
|
TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
|
|
|
|
switch (fdwReason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
DisableThreadLibraryCalls(hinstDLL);
|
|
break;
|
|
case DLL_PROCESS_DETACH:
|
|
cleanup();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|