625 lines
16 KiB
C
625 lines
16 KiB
C
/*
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* Implementation of SNMPAPI.DLL
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*
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* Copyright 2002 Patrik Stridvall
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* Copyright 2007 Hans Leidekker
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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 <stdio.h>
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#include <stdarg.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 "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(snmpapi);
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static INT asn_any_copy(AsnAny *dst, AsnAny *src)
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{
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memset(dst, 0, sizeof(AsnAny));
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switch (src->asnType)
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{
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case ASN_INTEGER32: dst->asnValue.number = src->asnValue.number; break;
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case ASN_UNSIGNED32: dst->asnValue.unsigned32 = src->asnValue.unsigned32; break;
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case ASN_COUNTER64: dst->asnValue.counter64 = src->asnValue.counter64; break;
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case ASN_COUNTER32: dst->asnValue.counter = src->asnValue.counter; break;
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case ASN_GAUGE32: dst->asnValue.gauge = src->asnValue.gauge; break;
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case ASN_TIMETICKS: dst->asnValue.ticks = src->asnValue.ticks; break;
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case ASN_OCTETSTRING:
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case ASN_BITS:
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case ASN_SEQUENCE:
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case ASN_IPADDRESS:
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case ASN_OPAQUE:
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{
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BYTE *stream;
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UINT length = src->asnValue.string.length;
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if (!(stream = HeapAlloc(GetProcessHeap(), 0, length))) return SNMPAPI_ERROR;
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dst->asnValue.string.stream = stream;
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dst->asnValue.string.length = length;
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dst->asnValue.string.dynamic = TRUE;
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break;
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}
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case ASN_OBJECTIDENTIFIER:
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{
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UINT *ids, i, size = src->asnValue.object.idLength * sizeof(UINT);
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if (!(ids = HeapAlloc(GetProcessHeap(), 0, size))) return SNMPAPI_ERROR;
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dst->asnValue.object.ids = ids;
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dst->asnValue.object.idLength = src->asnValue.object.idLength;
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for (i = 0; i < dst->asnValue.object.idLength; i++)
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dst->asnValue.object.ids[i] = src->asnValue.object.ids[i];
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break;
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}
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default:
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{
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WARN("unknown ASN type: %d\n", src->asnType);
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return SNMPAPI_ERROR;
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}
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}
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dst->asnType = src->asnType;
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return SNMPAPI_NOERROR;
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}
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static void asn_any_free(AsnAny *any)
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{
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switch (any->asnType)
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{
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case ASN_OCTETSTRING:
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case ASN_BITS:
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case ASN_SEQUENCE:
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case ASN_IPADDRESS:
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case ASN_OPAQUE:
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{
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if (any->asnValue.string.dynamic)
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{
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HeapFree(GetProcessHeap(), 0, any->asnValue.string.stream);
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any->asnValue.string.stream = NULL;
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}
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break;
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}
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case ASN_OBJECTIDENTIFIER:
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{
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HeapFree(GetProcessHeap(), 0, any->asnValue.object.ids);
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any->asnValue.object.ids = NULL;
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break;
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}
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default: break;
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}
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any->asnType = ASN_NULL;
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}
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/***********************************************************************
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* DllMain for SNMPAPI
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*/
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BOOL WINAPI DllMain(
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HINSTANCE hInstDLL,
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DWORD fdwReason,
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LPVOID lpvReserved)
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{
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TRACE("(%p,%d,%p)\n", hInstDLL, fdwReason, lpvReserved);
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switch(fdwReason) {
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case DLL_WINE_PREATTACH:
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return FALSE; /* prefer native version */
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls(hInstDLL);
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break;
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* SnmpUtilDbgPrint (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilDbgPrint(INT loglevel, LPSTR format, ...)
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{
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FIXME("(%d, %s)\n", loglevel, debugstr_a(format));
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}
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/***********************************************************************
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* SnmpUtilMemAlloc (SNMPAPI.@)
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*/
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LPVOID WINAPI SnmpUtilMemAlloc(UINT nbytes)
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{
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TRACE("(%d)\n", nbytes);
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return HeapAlloc(GetProcessHeap(), 0, nbytes);
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}
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/***********************************************************************
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* SnmpUtilMemReAlloc (SNMPAPI.@)
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*/
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LPVOID WINAPI SnmpUtilMemReAlloc(LPVOID mem, UINT nbytes)
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{
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TRACE("(%p, %d)\n", mem, nbytes);
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return HeapReAlloc(GetProcessHeap(), 0, mem, nbytes);
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}
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/***********************************************************************
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* SnmpUtilMemFree (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilMemFree(LPVOID mem)
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{
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TRACE("(%p)\n", mem);
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HeapFree(GetProcessHeap(), 0, mem);
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}
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/***********************************************************************
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* SnmpUtilAsnAnyCpy (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilAsnAnyCpy(AsnAny *dst, AsnAny *src)
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{
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TRACE("(%p, %p)\n", dst, src);
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return asn_any_copy(dst, src);
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}
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/***********************************************************************
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* SnmpUtilAsnAnyFree (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilAsnAnyFree(AsnAny *any)
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{
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TRACE("(%p)\n", any);
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asn_any_free(any);
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}
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/***********************************************************************
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* SnmpUtilOctetsCpy (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOctetsCpy(AsnOctetString *dst, AsnOctetString *src)
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{
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TRACE("(%p, %p)\n", dst, src);
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if (!dst) return SNMPAPI_ERROR;
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if (!src)
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{
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dst->dynamic = FALSE;
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dst->length = 0;
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dst->stream = NULL;
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return SNMPAPI_NOERROR;
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}
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if ((dst->stream = HeapAlloc(GetProcessHeap(), 0, src->length)))
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{
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unsigned int i;
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dst->dynamic = TRUE;
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dst->length = src->length;
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for (i = 0; i < dst->length; i++) dst->stream[i] = src->stream[i];
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return SNMPAPI_NOERROR;
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}
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return SNMPAPI_ERROR;
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}
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/***********************************************************************
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* SnmpUtilOctetsFree (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilOctetsFree(AsnOctetString *octets)
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{
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TRACE("(%p)\n", octets);
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if (octets)
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{
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octets->length = 0;
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if (octets->dynamic) HeapFree(GetProcessHeap(), 0, octets->stream);
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octets->stream = NULL;
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octets->dynamic = FALSE;
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}
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}
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/***********************************************************************
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* SnmpUtilOctetsNCmp (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOctetsNCmp(AsnOctetString *octets1, AsnOctetString *octets2, UINT count)
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{
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INT ret;
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unsigned int i;
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TRACE("(%p, %p, %d)\n", octets1, octets2, count);
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if (!octets1 || !octets2) return 0;
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for (i = 0; i < count; i++)
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if ((ret = octets1->stream[i] - octets2->stream[i])) return ret;
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return 0;
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}
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/***********************************************************************
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* SnmpUtilOctetsCmp (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOctetsCmp(AsnOctetString *octets1, AsnOctetString *octets2)
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{
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TRACE("(%p, %p)\n", octets1, octets2);
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if (octets1->length < octets2->length) return -1;
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if (octets1->length > octets2->length) return 1;
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return SnmpUtilOctetsNCmp(octets1, octets2, octets1->length);
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}
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/***********************************************************************
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* SnmpUtilOidAppend (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOidAppend(AsnObjectIdentifier *dst, AsnObjectIdentifier *src)
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{
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UINT *ids, i, size;
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TRACE("(%p, %p)\n", dst, src);
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if (!dst) return SNMPAPI_ERROR;
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if (!src) return SNMPAPI_NOERROR;
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size = (src->idLength + dst->idLength) * sizeof(UINT);
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if (!(ids = HeapReAlloc(GetProcessHeap(), 0, dst->ids, size)))
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{
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if (!(ids = HeapAlloc(GetProcessHeap(), 0, size)))
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{
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SetLastError(SNMP_MEM_ALLOC_ERROR);
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return SNMPAPI_ERROR;
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}
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else memcpy(ids, dst->ids, dst->idLength * sizeof(UINT));
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}
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for (i = 0; i < src->idLength; i++) ids[i + dst->idLength] = src->ids[i];
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dst->idLength = dst->idLength + src->idLength;
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dst->ids = ids;
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return SNMPAPI_NOERROR;
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}
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/***********************************************************************
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* SnmpUtilOidCpy (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOidCpy(AsnObjectIdentifier *dst, AsnObjectIdentifier *src)
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{
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TRACE("(%p, %p)\n", dst, src);
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if (!dst) return SNMPAPI_ERROR;
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if (!src)
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{
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dst->idLength = 0;
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dst->ids = NULL;
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return SNMPAPI_NOERROR;
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}
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if ((dst->ids = HeapAlloc(GetProcessHeap(), 0, src->idLength * sizeof(UINT))))
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{
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unsigned int i;
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dst->idLength = src->idLength;
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for (i = 0; i < dst->idLength; i++) dst->ids[i] = src->ids[i];
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return SNMPAPI_NOERROR;
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}
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return SNMPAPI_ERROR;
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}
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/***********************************************************************
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* SnmpUtilOidFree (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilOidFree(AsnObjectIdentifier *oid)
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{
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TRACE("(%p)\n", oid);
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if (!oid) return;
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oid->idLength = 0;
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HeapFree(GetProcessHeap(), 0, oid->ids);
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oid->ids = NULL;
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}
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/***********************************************************************
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* SnmpUtilOidNCmp (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOidNCmp(AsnObjectIdentifier *oid1, AsnObjectIdentifier *oid2, UINT count)
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{
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unsigned int i;
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TRACE("(%p, %p, %d)\n", oid1, oid2, count);
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if (!oid1 || !oid2) return 0;
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for (i = 0; i < count; i++)
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{
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if (oid1->ids[i] > oid2->ids[i]) return 1;
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if (oid1->ids[i] < oid2->ids[i]) return -1;
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}
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return 0;
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}
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/***********************************************************************
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* SnmpUtilOidCmp (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilOidCmp(AsnObjectIdentifier *oid1, AsnObjectIdentifier *oid2)
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{
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TRACE("(%p, %p)\n", oid1, oid2);
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if (oid1->idLength < oid2->idLength) return -1;
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if (oid1->idLength > oid2->idLength) return 1;
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return SnmpUtilOidNCmp(oid1, oid2, oid1->idLength);
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}
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/***********************************************************************
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* SnmpUtilVarBindCpy (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilVarBindCpy(SnmpVarBind *dst, SnmpVarBind *src)
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{
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unsigned int i, size;
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TRACE("(%p, %p)\n", dst, src);
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if (!dst) return SNMPAPI_ERROR;
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if (!src)
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{
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dst->value.asnType = ASN_NULL;
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return SNMPAPI_NOERROR;
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}
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size = src->name.idLength * sizeof(UINT);
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if (!(dst->name.ids = HeapAlloc(GetProcessHeap(), 0, size))) return SNMPAPI_ERROR;
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for (i = 0; i < src->name.idLength; i++) dst->name.ids[i] = src->name.ids[i];
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dst->name.idLength = src->name.idLength;
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if (!asn_any_copy(&dst->value, &src->value))
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{
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HeapFree(GetProcessHeap(), 0, dst->name.ids);
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return SNMPAPI_ERROR;
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}
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return SNMPAPI_NOERROR;
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}
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/***********************************************************************
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* SnmpUtilVarBindFree (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilVarBindFree(SnmpVarBind *vb)
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{
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TRACE("(%p)\n", vb);
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if (!vb) return;
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asn_any_free(&vb->value);
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HeapFree(GetProcessHeap(), 0, vb->name.ids);
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vb->name.idLength = 0;
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vb->name.ids = NULL;
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}
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/***********************************************************************
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* SnmpUtilVarBindListCpy (SNMPAPI.@)
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*/
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INT WINAPI SnmpUtilVarBindListCpy(SnmpVarBindList *dst, SnmpVarBindList *src)
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{
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unsigned int i, size;
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SnmpVarBind *src_entry, *dst_entry;
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TRACE("(%p, %p)\n", dst, src);
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if (!src)
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{
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dst->list = NULL;
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dst->len = 0;
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return SNMPAPI_NOERROR;
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}
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size = src->len * sizeof(SnmpVarBind *);
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if (!(dst->list = HeapAlloc(GetProcessHeap(), 0, size)))
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{
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HeapFree(GetProcessHeap(), 0, dst);
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return SNMPAPI_ERROR;
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}
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src_entry = src->list;
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dst_entry = dst->list;
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for (i = 0; i < src->len; i++)
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{
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if (SnmpUtilVarBindCpy(dst_entry, src_entry))
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{
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src_entry++;
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dst_entry++;
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}
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else
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{
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for (--i; i > 0; i--) SnmpUtilVarBindFree(--dst_entry);
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HeapFree(GetProcessHeap(), 0, dst->list);
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return SNMPAPI_ERROR;
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}
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}
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dst->len = src->len;
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return SNMPAPI_NOERROR;
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}
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/***********************************************************************
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* SnmpUtilVarBindListFree (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilVarBindListFree(SnmpVarBindList *vb)
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{
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unsigned int i;
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SnmpVarBind *entry;
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TRACE("(%p)\n", vb);
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entry = vb->list;
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for (i = 0; i < vb->len; i++) SnmpUtilVarBindFree(entry++);
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HeapFree(GetProcessHeap(), 0, vb->list);
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vb->list = NULL;
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vb->len = 0;
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}
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/***********************************************************************
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* SnmpUtilIdsToA (SNMPAPI.@)
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*/
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LPSTR WINAPI SnmpUtilIdsToA(UINT *ids, UINT length)
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{
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static char one[10], oid[514], null_oid[] = "<null oid>";
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unsigned int i, len, left = sizeof(oid) - 1;
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TRACE("(%p, %d)\n", ids, length);
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if (!ids || !length) return null_oid;
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*oid = 0;
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for (i = 0; i < length; i++)
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{
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sprintf(one, "%d", ids[i]);
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len = strlen(one);
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if (left >= len)
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{
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strcat(oid, one);
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left -= len;
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}
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else return oid;
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if (i < length - 1)
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{
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if (left > 0)
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{
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strcat(oid, ".");
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left--;
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}
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else return oid;
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}
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}
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return oid;
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}
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/***********************************************************************
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* SnmpUtilOidToA (SNMPAPI.@)
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*/
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LPSTR WINAPI SnmpUtilOidToA(AsnObjectIdentifier *oid)
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{
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static char null_oid[] = "<null oid>";
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TRACE("(%p)\n", oid);
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if (oid)
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return SnmpUtilIdsToA(oid->ids, oid->idLength);
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else
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return null_oid;
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}
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/***********************************************************************
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* SnmpUtilPrintOid (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilPrintOid(AsnObjectIdentifier *oid)
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{
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unsigned int i;
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TRACE("(%p)\n", oid);
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if (!oid) return;
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for (i = 0; i < oid->idLength; i++)
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{
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TRACE("%u", oid->ids[i]);
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if (i < oid->idLength - 1) TRACE(".");
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}
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}
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/***********************************************************************
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* SnmpUtilPrintAsnAny (SNMPAPI.@)
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*/
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void WINAPI SnmpUtilPrintAsnAny(AsnAny *any)
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{
|
|
unsigned int i;
|
|
|
|
TRACE("(%p)\n", any);
|
|
|
|
switch (any->asnType)
|
|
{
|
|
case ASN_NULL: TRACE("Null value\n"); return;
|
|
case ASN_INTEGER32: TRACE("Integer32 %d\n", any->asnValue.number); return;
|
|
case ASN_UNSIGNED32: TRACE("Unsigned32 %u\n", any->asnValue.unsigned32); return;
|
|
case ASN_COUNTER32: TRACE("Counter32 %u\n", any->asnValue.counter); return;
|
|
case ASN_GAUGE32: TRACE("Gauge32 %u\n", any->asnValue.gauge); return;
|
|
case ASN_TIMETICKS: TRACE("Timeticks %u\n", any->asnValue.ticks); return;
|
|
case ASN_COUNTER64:
|
|
{
|
|
TRACE("Counter64 %llu\n", any->asnValue.counter64.QuadPart);
|
|
return;
|
|
}
|
|
case ASN_OCTETSTRING:
|
|
{
|
|
TRACE("String ");
|
|
for (i = 0; i < any->asnValue.string.length; i++)
|
|
TRACE("%c", any->asnValue.string.stream[i]);
|
|
TRACE("\n");
|
|
return;
|
|
}
|
|
case ASN_IPADDRESS:
|
|
{
|
|
TRACE("IpAddress ");
|
|
if (any->asnValue.string.length < 4)
|
|
{
|
|
TRACE("Invalid\n");
|
|
return;
|
|
}
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
TRACE("%u", any->asnValue.string.stream[i]);
|
|
if (i < 3) TRACE(".");
|
|
}
|
|
TRACE("\n");
|
|
return;
|
|
}
|
|
case ASN_BITS:
|
|
{
|
|
TRACE("Bits ");
|
|
for (i = 0; i < any->asnValue.string.length; i++)
|
|
{
|
|
TRACE("0x%02x", any->asnValue.string.stream[i]);
|
|
if (i < any->asnValue.object.idLength - 1) TRACE(" ");
|
|
}
|
|
TRACE("\n");
|
|
return;
|
|
}
|
|
case ASN_OPAQUE:
|
|
{
|
|
TRACE("Opaque ");
|
|
for (i = 0; i < any->asnValue.string.length; i++)
|
|
{
|
|
TRACE("0x%02x", any->asnValue.string.stream[i]);
|
|
if (i < any->asnValue.object.idLength - 1) TRACE(" ");
|
|
}
|
|
TRACE("\n");
|
|
return;
|
|
}
|
|
case ASN_OBJECTIDENTIFIER:
|
|
{
|
|
TRACE("ObjectID ");
|
|
for (i = 0; i < any->asnValue.object.idLength; i++)
|
|
{
|
|
TRACE("%u", any->asnValue.object.ids[i]);
|
|
if (i < any->asnValue.object.idLength - 1) TRACE(".");
|
|
}
|
|
TRACE("\n");
|
|
return;
|
|
}
|
|
default:
|
|
{
|
|
TRACE("Invalid type %d\n", any->asnType);
|
|
return;
|
|
}
|
|
}
|
|
}
|