161 lines
3.1 KiB
C
161 lines
3.1 KiB
C
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/*++
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Copyright (c) 1992-1997 Microsoft Corporation
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Module Name:
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any.c
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Abstract:
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Contains routines to manipulate AsnAny structures.
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SnmpUtilAsnAnyCpy
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SnmpUtilAsnAnyFree
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Environment:
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User Mode - Win32
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Revision History:
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--*/
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Include files //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#include <snmp.h>
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#include <snmputil.h>
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Public Procedures //
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// //
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///////////////////////////////////////////////////////////////////////////////
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SNMPAPI
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SNMP_FUNC_TYPE
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SnmpUtilAsnAnyCpy(
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AsnAny * pAnyDst,
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AsnAny * pAnySrc
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)
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/*++
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Routine Description:
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Copy a variable value.
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Arguments:
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pAnyDst - pointer to structure to receive value.
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pAnySrc - pointer to value to copy.
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Return Values:
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Returns SNMPAPI_NOERROR if successful.
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--*/
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{
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SNMPAPI nResult = SNMPAPI_NOERROR;
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// determine asn type
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switch (pAnySrc->asnType) {
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case ASN_OBJECTIDENTIFIER:
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// copy object identifier
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nResult = SnmpUtilOidCpy(
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&pAnyDst->asnValue.object,
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&pAnySrc->asnValue.object
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);
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break;
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case ASN_OPAQUE:
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case ASN_IPADDRESS:
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case ASN_OCTETSTRING:
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case ASN_BITS:
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// copy octet string
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nResult = SnmpUtilOctetsCpy(
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&pAnyDst->asnValue.string,
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&pAnySrc->asnValue.string
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);
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break;
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default:
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// simply transfer entire structure
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pAnyDst->asnValue = pAnySrc->asnValue;
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break;
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}
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// transfer type to destination
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pAnyDst->asnType = pAnySrc->asnType;
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return nResult;
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}
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VOID
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SNMP_FUNC_TYPE
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SnmpUtilAsnAnyFree(
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AsnAny * pAny
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)
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/*++
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Routine Description:
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Release memory associated with variable value.
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Arguments:
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pAny - pointer to variable value to free.
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Return Values:
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None.
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--*/
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{
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// determine asn type
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switch (pAny->asnType) {
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case ASN_OBJECTIDENTIFIER:
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// free object identifier
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SnmpUtilOidFree(&pAny->asnValue.object);
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break;
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case ASN_OPAQUE:
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case ASN_IPADDRESS:
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case ASN_OCTETSTRING:
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case ASN_BITS:
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// free octet string
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if (pAny->asnValue.string.dynamic)
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{
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SnmpUtilOctetsFree(&pAny->asnValue.string);
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pAny->asnValue.string.dynamic = FALSE;
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pAny->asnValue.string.stream = NULL;
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}
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break;
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default:
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break;
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}
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// re-initialize
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pAny->asnType = ASN_NULL;
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}
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