719 lines
18 KiB
C
719 lines
18 KiB
C
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/*++
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Copyright (c) 1992-1996 Microsoft Corporation
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Module Name:
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oidconv.c
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Abstract:
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Routines to manage conversions between OID descriptions and numerical OIDs.
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Environment:
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User Mode - Win32
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Revision History:
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10-May-1996 DonRyan
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Removed banner from Technology Dynamics, Inc.
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--*/
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//--------------------------- WINDOWS DEPENDENCIES --------------------------
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#include <windows.h>
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//--------------------------- STANDARD DEPENDENCIES -- #include<xxxxx.h> ----
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <snmp.h>
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#include <snmputil.h>
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//--------------------------- MODULE DEPENDENCIES -- #include"xxxxx.h" ------
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#include "mibcc.h"
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#include "mibtree.h"
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//--------------------------- SELF-DEPENDENCY -- ONE #include"module.h" -----
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#include "oidconv.h"
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//--------------------------- PUBLIC VARIABLES --(same as in module.h file)--
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/* name to used when converting OID <--> TEXT */
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LPSTR lpInputFileName = "mib.bin";
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//--------------------------- PRIVATE CONSTANTS -----------------------------
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#define FILENODE_SIZE sizeof(T_FILE_NODE)
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#define OID_PREFIX_LEN (sizeof MIB_Prefix / sizeof(UINT))
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#define STR_PREFIX_LEN (strlen(MIB_StrPrefix))
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#define SEEK_SET 0
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#define SEEK_CUR 1
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//--------------------------- PRIVATE STRUCTS -------------------------------
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//****************************************************************
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//
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// Record structure in file
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//
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// These are the necessary fields to process a conversion request.
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// When a request is made, the MIB file is searched sequentially
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// matching subid's. The field, lNextOffset, is an offset from the
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// current file position to the current nodes next sibling.
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//
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// The text subid for each node is stored directly after the
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// T_FILE_NODE structure in the file. Its length is stored in the
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// field, uStrLen.
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//
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// This is done because there are no limits placed on the size
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// of a text subid. Hence, when the T_FILE_NODE structure is
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// read from the MIB file, the field, lpszTextSubID is not valid.
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// The field will eventually point to the storage allocated to
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// hold the text subid.
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//
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// The order of the nodes in the file is the same as if the MIB
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// tree was traversed in a "pre-order" manner.
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//
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//****************************************************************
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typedef struct _FileNode {
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long lNextOffset; // This field must remain first
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UINT uNumChildren;
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UINT uStrLen;
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LPSTR lpszTextSubID;
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UINT uNumSubID;
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} T_FILE_NODE;
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// mib.bin file actually has the following platform independent format
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// on 32bit(x86) and 64bit(ia64) environment. See Bug# 125494 for detail.
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typedef struct _FileNodeEx {
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long lNextOffset; // This field must remain first
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UINT uNumChildren;
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UINT uStrLen;
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UINT uReserved;
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UINT uNumSubID;
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} T_FILE_NODE_EX;
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#define FILENODE_SIZE_EX sizeof(T_FILE_NODE_EX)
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//--------------------------- PRIVATE VARIABLES -----------------------------
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LPSTR MIB_StrPrefix = "iso.org.dod.internet.mgmt.mib-2";
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UINT MIB_Prefix[] = { 1, 3, 6, 1, 2, 1 };
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AsnObjectIdentifier MIB_OidPrefix = { OID_PREFIX_LEN, MIB_Prefix };
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//--------------------------- PRIVATE PROTOTYPES ----------------------------
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//--------------------------- PRIVATE PROCEDURES ----------------------------
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//
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// GetNextNode
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// Reads the next record from MIB file into a FILENODE structure.
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//
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// Notes:
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//
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// Return Codes:
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// SNMPAPI_NOERROR
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// SNMPAPI_ERROR
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//
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// Error Codes:
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// None.
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//
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SNMPAPI GetNextNode(
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IN HFILE fh,
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OUT T_FILE_NODE * Node
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)
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{
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SNMPAPI nResult;
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T_FILE_NODE_EX NodeEx;
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ZeroMemory(&NodeEx, FILENODE_SIZE_EX);
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Node->lpszTextSubID = NULL;
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// Read in node
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if ( FILENODE_SIZE_EX != _lread(fh, (LPSTR)(&NodeEx), FILENODE_SIZE_EX) )
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{
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nResult = SNMPAPI_ERROR;
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goto Exit;
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}
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// Convert node format from mib.bin to format in memory
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// The format in the file is independent of 32bit(x86)/64bit(ia64)
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// architecture.
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Node->lNextOffset = NodeEx.lNextOffset;
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Node->uNumChildren = NodeEx.uNumChildren;
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Node->uNumSubID = NodeEx.uNumSubID;
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Node->uStrLen = NodeEx.uStrLen;
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// Alloc space for string
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if ( NULL ==
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(Node->lpszTextSubID = SnmpUtilMemAlloc((1+Node->uStrLen) * sizeof(char))) )
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{
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nResult = SNMPAPI_ERROR;
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goto Exit;
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}
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// Read in subid string
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if ( Node->uStrLen != _lread(fh, Node->lpszTextSubID, Node->uStrLen) )
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{
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nResult = SNMPAPI_ERROR;
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goto Exit;
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}
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// NULL terminate the text sub id
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Node->lpszTextSubID[Node->uStrLen] = '\0';
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nResult = SNMPAPI_NOERROR;
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Exit:
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if ( SNMPAPI_ERROR == nResult )
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{
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SnmpUtilMemFree( Node->lpszTextSubID );
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}
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return nResult;
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} // GetNextNode
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//
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// WriteNode
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// Writes the node to the MIB file.
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//
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// Notes:
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//
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// Return Codes:
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// SNMPAPI_NOERROR
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// SNMPAPI_ERROR
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//
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// Error Codes:
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// None.
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//
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SNMPAPI WriteNode(
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IN HFILE fh,
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IN T_FILE_NODE * Node
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)
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{
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SNMPAPI nResult;
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T_FILE_NODE LocalNodeCopy;
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// make a copy of the node so we can clean up any pointers
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LocalNodeCopy.lNextOffset = Node->lNextOffset;
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LocalNodeCopy.uNumChildren = Node->uNumChildren;
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LocalNodeCopy.uStrLen = Node->uStrLen;
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LocalNodeCopy.lpszTextSubID = NULL; /* don't write pointers to disk */
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LocalNodeCopy.uNumSubID = Node->uNumSubID;
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// Write Node portion
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if ( FILENODE_SIZE != _lwrite(fh, (LPSTR)&LocalNodeCopy, FILENODE_SIZE) )
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{
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nResult = SNMPAPI_ERROR;
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goto Exit;
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}
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// Now write out what the pointers pointed to.
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// Save text subid
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if ( Node->uStrLen != _lwrite(fh, Node->lpszTextSubID, Node->uStrLen) )
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{
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nResult = SNMPAPI_ERROR;
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goto Exit;
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}
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nResult = SNMPAPI_NOERROR;
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Exit:
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return nResult;
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} // WriteNode
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//
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// SkipSubTree
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// Frees a FILENODE and all information contained in it.
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//
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// Notes:
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//
|
||
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// Return Codes:
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||
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//
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||
|
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// Error Codes:
|
||
|
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// None.
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||
|
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//
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SNMPAPI SkipSubTree(
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IN HFILE fh,
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IN T_FILE_NODE *Node
|
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|
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)
|
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|
|
|
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|
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{
|
||
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SNMPAPI nResult;
|
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|
|
|
||
|
|
|
||
|
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// Skip entire subtree
|
||
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if ( -1 == _llseek(fh, Node->lNextOffset, SEEK_CUR) )
|
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|
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{
|
||
|
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nResult = SNMPAPI_ERROR;
|
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|
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goto Exit;
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||
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}
|
||
|
|
|
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nResult = SNMPAPI_NOERROR;
|
||
|
|
|
||
|
|
Exit:
|
||
|
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return nResult;
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||
|
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} // SkipSubTree
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|
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|
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//--------------------------- PUBLIC PROCEDURES -----------------------------
|
||
|
|
|
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|
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//
|
||
|
|
// SnmpMgrOid2Text
|
||
|
|
// Converts an OID to its textual description.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// Return Codes:
|
||
|
|
// SNMPAPI_NOERROR
|
||
|
|
// SNMPAPI_ERROR
|
||
|
|
//
|
||
|
|
// Error Codes:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
SNMPAPI SnmpMgrOid2Text(
|
||
|
|
IN AsnObjectIdentifier *Oid, // Pointer to OID to convert
|
||
|
|
OUT LPSTR *lpszTextOid // Resulting text OID
|
||
|
|
)
|
||
|
|
|
||
|
|
{
|
||
|
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T_FILE_NODE Node;
|
||
|
|
OFSTRUCT of;
|
||
|
|
HFILE fh;
|
||
|
|
UINT Siblings;
|
||
|
|
UINT OidSubId;
|
||
|
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UINT uTxtOidLen;
|
||
|
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BOOL bFound;
|
||
|
|
BOOL bPartial;
|
||
|
|
BOOL bDot;
|
||
|
|
SNMPAPI nResult;
|
||
|
|
|
||
|
|
// OPENISSUE - this code does not generate errors if subid 0 is embeded
|
||
|
|
// OPENISSUE - opening file every time could be a performance issue
|
||
|
|
// OPENISSUE - optimization of file access could improve performance
|
||
|
|
|
||
|
|
*lpszTextOid = NULL;
|
||
|
|
|
||
|
|
// Open file and check for errors
|
||
|
|
if ( -1 == (fh = OpenFile(lpInputFileName, &of, OF_READ|OF_SHARE_DENY_WRITE)) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Test for MIB prefix
|
||
|
|
bDot = !( bPartial = OID_PREFIX_LEN < Oid->idLength &&
|
||
|
|
!SnmpUtilOidNCmp(Oid, &MIB_OidPrefix, OID_PREFIX_LEN) );
|
||
|
|
|
||
|
|
// Loop until conversion is finished
|
||
|
|
OidSubId = 0;
|
||
|
|
uTxtOidLen = 0;
|
||
|
|
Node.uNumChildren = 1;
|
||
|
|
while ( OidSubId < Oid->idLength )
|
||
|
|
{
|
||
|
|
// Init to not found on this level
|
||
|
|
bFound = FALSE;
|
||
|
|
Siblings = Node.uNumChildren;
|
||
|
|
|
||
|
|
// While there are siblings and the sub id is not found keep looking
|
||
|
|
while ( Siblings && !bFound )
|
||
|
|
{
|
||
|
|
Node.lpszTextSubID = NULL;
|
||
|
|
|
||
|
|
// Get next node from mib.bin file
|
||
|
|
if ( SNMPAPI_ERROR == GetNextNode(fh, &Node) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
Siblings --;
|
||
|
|
|
||
|
|
// Compare the numeric subid's
|
||
|
|
if ( Oid->ids[OidSubId] == Node.uNumSubID )
|
||
|
|
{
|
||
|
|
bFound = TRUE;
|
||
|
|
|
||
|
|
// If OID is a partial, then skip prefix subid's
|
||
|
|
if ( OidSubId >= OID_PREFIX_LEN || !bPartial )
|
||
|
|
{
|
||
|
|
// Realloc space for text id - add 2 for '.' and NULL terminator
|
||
|
|
if ( NULL == (*lpszTextOid =
|
||
|
|
SnmpUtilMemReAlloc(*lpszTextOid,
|
||
|
|
(uTxtOidLen+Node.uStrLen+2) * sizeof(char))) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add DOT separator
|
||
|
|
if ( bDot )
|
||
|
|
{
|
||
|
|
(*lpszTextOid)[uTxtOidLen] = '.';
|
||
|
|
|
||
|
|
// Save text subid
|
||
|
|
memcpy( &(*lpszTextOid)[uTxtOidLen+1],
|
||
|
|
Node.lpszTextSubID, Node.uStrLen+1 );
|
||
|
|
|
||
|
|
// Update length of text oid - add one for separator
|
||
|
|
uTxtOidLen += Node.uStrLen + 1;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
bDot = TRUE;
|
||
|
|
|
||
|
|
// Save text subid
|
||
|
|
memcpy( &(*lpszTextOid)[uTxtOidLen],
|
||
|
|
Node.lpszTextSubID, Node.uStrLen );
|
||
|
|
|
||
|
|
// Update length of text oid
|
||
|
|
uTxtOidLen += Node.uStrLen;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// try to convert the next OID subid
|
||
|
|
OidSubId ++;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Skip over subtree since not a match
|
||
|
|
if ( SNMPAPI_ERROR == SkipSubTree(fh, &Node) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Free the text sub id read
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
} // while
|
||
|
|
|
||
|
|
// If no sub id matches
|
||
|
|
if ( !bFound )
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} // while
|
||
|
|
|
||
|
|
// Make sure that the entire OID was converted
|
||
|
|
while ( OidSubId < Oid->idLength )
|
||
|
|
{
|
||
|
|
char NumChar[100];
|
||
|
|
|
||
|
|
_itoa( Oid->ids[OidSubId], NumChar, 10 );
|
||
|
|
// Realloc space for text id - add 2 for '.' and NULL terminator
|
||
|
|
if ( NULL ==
|
||
|
|
(*lpszTextOid = SnmpUtilMemReAlloc(*lpszTextOid,
|
||
|
|
(uTxtOidLen+strlen(NumChar)+4) * sizeof(char))) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add DOT separator
|
||
|
|
(*lpszTextOid)[uTxtOidLen] = '.';
|
||
|
|
|
||
|
|
// Save text subid
|
||
|
|
memcpy( &(*lpszTextOid)[uTxtOidLen+1], NumChar, strlen(NumChar)+1 );
|
||
|
|
|
||
|
|
// Skip to next OID subid
|
||
|
|
OidSubId ++;
|
||
|
|
|
||
|
|
// Update length of text oid - add one for separator
|
||
|
|
uTxtOidLen += strlen(NumChar) + 1;
|
||
|
|
} // while
|
||
|
|
|
||
|
|
nResult = SNMPAPI_NOERROR;
|
||
|
|
|
||
|
|
Exit:
|
||
|
|
if ( -1 != fh )
|
||
|
|
{
|
||
|
|
_lclose( fh );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SNMPAPI_ERROR == nResult )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( *lpszTextOid );
|
||
|
|
*lpszTextOid = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return nResult;
|
||
|
|
} // SnmpMgrOid2Text
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// SnmpMgrText2Oid
|
||
|
|
// Converts an OID text description to its numerical equivalent.
|
||
|
|
//
|
||
|
|
// Notes:
|
||
|
|
//
|
||
|
|
// Return Codes:
|
||
|
|
// SNMPAPI_NOERROR
|
||
|
|
// SNMPAPI_ERROR
|
||
|
|
//
|
||
|
|
// Error Codes:
|
||
|
|
// None.
|
||
|
|
//
|
||
|
|
SNMPAPI SnmpMgrText2Oid(
|
||
|
|
IN LPSTR lpszTextOid, // Pointer to text OID to convert
|
||
|
|
IN OUT AsnObjectIdentifier *Oid // Resulting numeric OID
|
||
|
|
)
|
||
|
|
|
||
|
|
{
|
||
|
|
#define DELIMETERS ".\0"
|
||
|
|
|
||
|
|
|
||
|
|
T_FILE_NODE Node;
|
||
|
|
OFSTRUCT of;
|
||
|
|
HFILE fh;
|
||
|
|
UINT Siblings;
|
||
|
|
LPSTR lpszSubId;
|
||
|
|
LPSTR lpszWrkOid = NULL;
|
||
|
|
BOOL bFound;
|
||
|
|
UINT uSubId;
|
||
|
|
SNMPAPI nResult;
|
||
|
|
|
||
|
|
// OPENISSUE - this code does not generate errors if subid 0 is embeded
|
||
|
|
// OPENISSUE - opening file every time could be a performance issue
|
||
|
|
// OPENISSUE - optimization of file access could improve performance
|
||
|
|
|
||
|
|
// Init. OID structure
|
||
|
|
Oid->idLength = 0;
|
||
|
|
Oid->ids = NULL;
|
||
|
|
|
||
|
|
// check for null string and empty string
|
||
|
|
if ( NULL == lpszTextOid || '\0' == lpszTextOid[0] )
|
||
|
|
{
|
||
|
|
fh = -1;
|
||
|
|
nResult = SNMPAPI_NOERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Open file and check for errors
|
||
|
|
if ( -1 == (fh = OpenFile(lpInputFileName, &of, OF_READ|OF_SHARE_DENY_WRITE)) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Make working copy of string
|
||
|
|
if ( ('.' == lpszTextOid[0]) )
|
||
|
|
{
|
||
|
|
if ( NULL == (lpszWrkOid = SnmpUtilMemAlloc((strlen(lpszTextOid)+1) * sizeof(char))) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
strcpy( lpszWrkOid, lpszTextOid+1 );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if ( NULL ==
|
||
|
|
(lpszWrkOid =
|
||
|
|
SnmpUtilMemAlloc((strlen(lpszTextOid)+STR_PREFIX_LEN+1+1) * sizeof(char))) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
strcpy( lpszWrkOid, MIB_StrPrefix );
|
||
|
|
lpszWrkOid[STR_PREFIX_LEN] = '.';
|
||
|
|
strcpy( &lpszWrkOid[STR_PREFIX_LEN+1], lpszTextOid );
|
||
|
|
}
|
||
|
|
|
||
|
|
Node.uNumChildren = 1;
|
||
|
|
lpszSubId = strtok( lpszWrkOid, DELIMETERS );
|
||
|
|
|
||
|
|
// Loop until conversion is finished
|
||
|
|
while ( NULL != lpszSubId )
|
||
|
|
{
|
||
|
|
|
||
|
|
// Init to not found on this level
|
||
|
|
bFound = FALSE;
|
||
|
|
Siblings = Node.uNumChildren;
|
||
|
|
|
||
|
|
// Check for imbedded numbers
|
||
|
|
if ( isdigit(*lpszSubId) )
|
||
|
|
{
|
||
|
|
UINT I;
|
||
|
|
|
||
|
|
|
||
|
|
// Make sure this is a NUMBER without alpha's
|
||
|
|
for ( I=0;I < strlen(lpszSubId);I++ )
|
||
|
|
{
|
||
|
|
if ( !isdigit(lpszSubId[I]) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
uSubId = atoi( lpszSubId );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
uSubId = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// While there are siblings and the sub id is not found keep looking
|
||
|
|
while ( Siblings && !bFound )
|
||
|
|
{
|
||
|
|
Node.lpszTextSubID = NULL;
|
||
|
|
|
||
|
|
// Get next sibling
|
||
|
|
if ( SNMPAPI_ERROR == GetNextNode(fh, &Node) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
Siblings --;
|
||
|
|
|
||
|
|
if ( uSubId )
|
||
|
|
{
|
||
|
|
// Compare the numeric subid's
|
||
|
|
if ( Node.uNumSubID == uSubId )
|
||
|
|
{
|
||
|
|
bFound = TRUE;
|
||
|
|
|
||
|
|
// Add space for new sub id
|
||
|
|
if ( NULL ==
|
||
|
|
(Oid->ids =
|
||
|
|
SnmpUtilMemReAlloc(Oid->ids, (Oid->idLength+1) * sizeof(UINT))) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Append this sub id to end of numeric OID
|
||
|
|
Oid->ids[Oid->idLength++] = Node.uNumSubID;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Compare the text subid's
|
||
|
|
if ( !strcmp(lpszSubId, Node.lpszTextSubID) )
|
||
|
|
{
|
||
|
|
bFound = TRUE;
|
||
|
|
|
||
|
|
// Add space for new sub id
|
||
|
|
if ( NULL ==
|
||
|
|
(Oid->ids =
|
||
|
|
SnmpUtilMemReAlloc(Oid->ids, (Oid->idLength+1) * sizeof(UINT))) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Append this sub id to end of numeric OID
|
||
|
|
Oid->ids[Oid->idLength++] = Node.uNumSubID;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Skip over subtree since not a match
|
||
|
|
if ( !bFound && SNMPAPI_ERROR == SkipSubTree(fh, &Node) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Free the text sub id read
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
} // while
|
||
|
|
|
||
|
|
// If no sub id matches
|
||
|
|
if ( !bFound )
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Advance to next sub id
|
||
|
|
lpszSubId = strtok( NULL, DELIMETERS );
|
||
|
|
} // while
|
||
|
|
|
||
|
|
// Make sure that the entire OID was converted
|
||
|
|
while ( NULL != lpszSubId )
|
||
|
|
{
|
||
|
|
UINT I;
|
||
|
|
|
||
|
|
|
||
|
|
// Make sure this is a NUMBER without alpha's
|
||
|
|
for ( I=0;I < strlen(lpszSubId);I++ )
|
||
|
|
{
|
||
|
|
if ( !isdigit(lpszSubId[I]) )
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add space for new sub id
|
||
|
|
if ( NULL ==
|
||
|
|
(Oid->ids = SnmpUtilMemReAlloc(Oid->ids, (Oid->idLength+1) * sizeof(UINT))) )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree( Node.lpszTextSubID );
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Append this sub id to end of numeric OID
|
||
|
|
Oid->ids[Oid->idLength++] = atoi( lpszSubId );
|
||
|
|
|
||
|
|
// Advance to next sub id
|
||
|
|
lpszSubId = strtok( NULL, DELIMETERS );
|
||
|
|
} // while
|
||
|
|
|
||
|
|
|
||
|
|
// it is illegal for an oid to be less than two subidentifiers
|
||
|
|
if (Oid->idLength < 2)
|
||
|
|
{
|
||
|
|
nResult = SNMPAPI_ERROR;
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
nResult = SNMPAPI_NOERROR;
|
||
|
|
|
||
|
|
Exit:
|
||
|
|
if ( -1 != fh )
|
||
|
|
{
|
||
|
|
_lclose( fh );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SNMPAPI_ERROR == nResult )
|
||
|
|
{
|
||
|
|
SnmpUtilOidFree( Oid );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( NULL != lpszWrkOid )
|
||
|
|
{
|
||
|
|
SnmpUtilMemFree ( lpszWrkOid );
|
||
|
|
}
|
||
|
|
|
||
|
|
return nResult;
|
||
|
|
} // SnmpMgrText2Oid
|
||
|
|
|
||
|
|
//------------------------------- END ---------------------------------------
|
||
|
|
|