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wine-wine/dlls/snmpapi/main.c

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/*
* Implementation of SNMPAPI.DLL
*
* Copyright 2002 Patrik Stridvall
* Copyright 2007 Hans Leidekker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "snmp.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(snmpapi);
static INT asn_any_copy(AsnAny *dst, const AsnAny *src)
{
memset(dst, 0, sizeof(AsnAny));
switch (src->asnType)
{
case ASN_INTEGER32: dst->asnValue.number = src->asnValue.number; break;
case ASN_UNSIGNED32: dst->asnValue.unsigned32 = src->asnValue.unsigned32; break;
case ASN_COUNTER64: dst->asnValue.counter64 = src->asnValue.counter64; break;
case ASN_COUNTER32: dst->asnValue.counter = src->asnValue.counter; break;
case ASN_GAUGE32: dst->asnValue.gauge = src->asnValue.gauge; break;
case ASN_TIMETICKS: dst->asnValue.ticks = src->asnValue.ticks; break;
case ASN_OCTETSTRING:
case ASN_BITS:
case ASN_SEQUENCE:
case ASN_IPADDRESS:
case ASN_OPAQUE:
{
BYTE *stream;
UINT length = src->asnValue.string.length;
if (!(stream = HeapAlloc(GetProcessHeap(), 0, length))) return SNMPAPI_ERROR;
memcpy(stream, src->asnValue.string.stream, length);
dst->asnValue.string.stream = stream;
dst->asnValue.string.length = length;
dst->asnValue.string.dynamic = TRUE;
break;
}
case ASN_OBJECTIDENTIFIER:
{
UINT *ids, i, size = src->asnValue.object.idLength * sizeof(UINT);
if (!(ids = HeapAlloc(GetProcessHeap(), 0, size))) return SNMPAPI_ERROR;
dst->asnValue.object.ids = ids;
dst->asnValue.object.idLength = src->asnValue.object.idLength;
for (i = 0; i < dst->asnValue.object.idLength; i++)
dst->asnValue.object.ids[i] = src->asnValue.object.ids[i];
break;
}
default:
{
WARN("unknown ASN type: %d\n", src->asnType);
return SNMPAPI_ERROR;
}
}
dst->asnType = src->asnType;
return SNMPAPI_NOERROR;
}
static void asn_any_free(AsnAny *any)
{
switch (any->asnType)
{
case ASN_OCTETSTRING:
case ASN_BITS:
case ASN_SEQUENCE:
case ASN_IPADDRESS:
case ASN_OPAQUE:
{
if (any->asnValue.string.dynamic)
{
HeapFree(GetProcessHeap(), 0, any->asnValue.string.stream);
any->asnValue.string.stream = NULL;
}
break;
}
case ASN_OBJECTIDENTIFIER:
{
HeapFree(GetProcessHeap(), 0, any->asnValue.object.ids);
any->asnValue.object.ids = NULL;
break;
}
default: break;
}
any->asnType = ASN_NULL;
}
static ULONGLONG startTime;
/***********************************************************************
* DllMain for SNMPAPI
*/
BOOL WINAPI DllMain(
HINSTANCE hInstDLL,
DWORD fdwReason,
LPVOID lpvReserved)
{
TRACE("(%p,%d,%p)\n", hInstDLL, fdwReason, lpvReserved);
switch(fdwReason) {
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInstDLL);
startTime = GetTickCount64();
break;
}
return TRUE;
}
/***********************************************************************
* SnmpSvcGetUptime (SNMPAPI.@)
*
* BUGS
* This returns the number of centiseconds since the DLL was loaded,
* rather than the number of centiseconds since the SNMP service was
* started, since there isn't yet any SNMP service in Wine.
*/
DWORD WINAPI SnmpSvcGetUptime(void)
{
ULONGLONG now = GetTickCount64();
return (now - startTime) / 10;
}
/***********************************************************************
* SnmpUtilDbgPrint (SNMPAPI.@)
*
* NOTES
* The Microsoft headers claim this function uses the stdcall calling
* convention. But stdcall functions cannot take a variable number of
* arguments so this does not make sense. The stdcall specification is
* probably ignored by Microsoft's compiler in this case. So declare it
* correctly in Wine so it works with all compilers.
*/
VOID WINAPIV SnmpUtilDbgPrint(INT loglevel, LPSTR format, ...)
{
FIXME("(%d, %s)\n", loglevel, debugstr_a(format));
}
/***********************************************************************
* SnmpUtilMemAlloc (SNMPAPI.@)
*/
LPVOID WINAPI SnmpUtilMemAlloc(UINT nbytes)
{
TRACE("(%d)\n", nbytes);
return HeapAlloc(GetProcessHeap(), 0, nbytes);
}
/***********************************************************************
* SnmpUtilMemReAlloc (SNMPAPI.@)
*/
LPVOID WINAPI SnmpUtilMemReAlloc(LPVOID mem, UINT nbytes)
{
TRACE("(%p, %d)\n", mem, nbytes);
return HeapReAlloc(GetProcessHeap(), 0, mem, nbytes);
}
/***********************************************************************
* SnmpUtilMemFree (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilMemFree(LPVOID mem)
{
TRACE("(%p)\n", mem);
HeapFree(GetProcessHeap(), 0, mem);
}
/***********************************************************************
* SnmpUtilAsnAnyCpy (SNMPAPI.@)
*/
INT WINAPI SnmpUtilAsnAnyCpy(AsnAny *dst, AsnAny *src)
{
TRACE("(%p, %p)\n", dst, src);
return asn_any_copy(dst, src);
}
/***********************************************************************
* SnmpUtilAsnAnyFree (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilAsnAnyFree(AsnAny *any)
{
TRACE("(%p)\n", any);
asn_any_free(any);
}
/***********************************************************************
* SnmpUtilOctetsCpy (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOctetsCpy(AsnOctetString *dst, AsnOctetString *src)
{
TRACE("(%p, %p)\n", dst, src);
if (!dst) return SNMPAPI_ERROR;
if (!src)
{
dst->dynamic = FALSE;
dst->length = 0;
dst->stream = NULL;
return SNMPAPI_NOERROR;
}
if ((dst->stream = HeapAlloc(GetProcessHeap(), 0, src->length)))
{
unsigned int i;
dst->dynamic = TRUE;
dst->length = src->length;
for (i = 0; i < dst->length; i++) dst->stream[i] = src->stream[i];
return SNMPAPI_NOERROR;
}
return SNMPAPI_ERROR;
}
/***********************************************************************
* SnmpUtilOctetsFree (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilOctetsFree(AsnOctetString *octets)
{
TRACE("(%p)\n", octets);
if (octets)
{
octets->length = 0;
if (octets->dynamic) HeapFree(GetProcessHeap(), 0, octets->stream);
octets->stream = NULL;
octets->dynamic = FALSE;
}
}
/***********************************************************************
* SnmpUtilOctetsNCmp (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOctetsNCmp(AsnOctetString *octets1, AsnOctetString *octets2, UINT count)
{
INT ret;
unsigned int i;
TRACE("(%p, %p, %d)\n", octets1, octets2, count);
if (!octets1 || !octets2) return 0;
for (i = 0; i < count; i++)
if ((ret = octets1->stream[i] - octets2->stream[i])) return ret;
return 0;
}
/***********************************************************************
* SnmpUtilOctetsCmp (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOctetsCmp(AsnOctetString *octets1, AsnOctetString *octets2)
{
TRACE("(%p, %p)\n", octets1, octets2);
if (octets1->length < octets2->length) return -1;
if (octets1->length > octets2->length) return 1;
return SnmpUtilOctetsNCmp(octets1, octets2, octets1->length);
}
/***********************************************************************
* SnmpUtilOidAppend (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOidAppend(AsnObjectIdentifier *dst, AsnObjectIdentifier *src)
{
UINT *ids, i, size;
TRACE("(%p, %p)\n", dst, src);
if (!dst) return SNMPAPI_ERROR;
if (!src) return SNMPAPI_NOERROR;
size = (src->idLength + dst->idLength) * sizeof(UINT);
if (!(ids = HeapReAlloc(GetProcessHeap(), 0, dst->ids, size)))
{
if (!(ids = HeapAlloc(GetProcessHeap(), 0, size)))
{
SetLastError(SNMP_MEM_ALLOC_ERROR);
return SNMPAPI_ERROR;
}
else memcpy(ids, dst->ids, dst->idLength * sizeof(UINT));
}
for (i = 0; i < src->idLength; i++) ids[i + dst->idLength] = src->ids[i];
dst->idLength = dst->idLength + src->idLength;
dst->ids = ids;
return SNMPAPI_NOERROR;
}
/***********************************************************************
* SnmpUtilOidCpy (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOidCpy(AsnObjectIdentifier *dst, AsnObjectIdentifier *src)
{
TRACE("(%p, %p)\n", dst, src);
if (!dst) return SNMPAPI_ERROR;
if (!src)
{
dst->idLength = 0;
dst->ids = NULL;
return SNMPAPI_NOERROR;
}
if ((dst->ids = HeapAlloc(GetProcessHeap(), 0, src->idLength * sizeof(UINT))))
{
unsigned int i;
dst->idLength = src->idLength;
for (i = 0; i < dst->idLength; i++) dst->ids[i] = src->ids[i];
return SNMPAPI_NOERROR;
}
return SNMPAPI_ERROR;
}
/***********************************************************************
* SnmpUtilOidFree (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilOidFree(AsnObjectIdentifier *oid)
{
TRACE("(%p)\n", oid);
if (!oid) return;
oid->idLength = 0;
HeapFree(GetProcessHeap(), 0, oid->ids);
oid->ids = NULL;
}
/***********************************************************************
* SnmpUtilOidNCmp (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOidNCmp(AsnObjectIdentifier *oid1, AsnObjectIdentifier *oid2, UINT count)
{
unsigned int i, len;
TRACE("(%p, %p, %d)\n", oid1, oid2, count);
if (!oid1 || !oid2) return 0;
len = min(count, oid1->idLength);
len = min(len, oid2->idLength);
for (i = 0; i < len; i++)
{
if (oid1->ids[i] > oid2->ids[i]) return 1;
if (oid1->ids[i] < oid2->ids[i]) return -1;
}
if (i == count) return 0;
if (oid1->idLength < oid2->idLength) return -1;
if (oid1->idLength > oid2->idLength) return 1;
return 0;
}
/***********************************************************************
* SnmpUtilOidCmp (SNMPAPI.@)
*/
INT WINAPI SnmpUtilOidCmp(AsnObjectIdentifier *oid1, AsnObjectIdentifier *oid2)
{
TRACE("(%p, %p)\n", oid1, oid2);
if (oid1->idLength < oid2->idLength) return -1;
if (oid1->idLength > oid2->idLength) return 1;
return SnmpUtilOidNCmp(oid1, oid2, oid1->idLength);
}
/***********************************************************************
* SnmpUtilVarBindCpy (SNMPAPI.@)
*/
INT WINAPI SnmpUtilVarBindCpy(SnmpVarBind *dst, SnmpVarBind *src)
{
unsigned int i, size;
TRACE("(%p, %p)\n", dst, src);
if (!dst) return SNMPAPI_ERROR;
if (!src)
{
dst->value.asnType = ASN_NULL;
return SNMPAPI_NOERROR;
}
size = src->name.idLength * sizeof(UINT);
if (!(dst->name.ids = HeapAlloc(GetProcessHeap(), 0, size))) return SNMPAPI_ERROR;
for (i = 0; i < src->name.idLength; i++) dst->name.ids[i] = src->name.ids[i];
dst->name.idLength = src->name.idLength;
if (!asn_any_copy(&dst->value, &src->value))
{
HeapFree(GetProcessHeap(), 0, dst->name.ids);
return SNMPAPI_ERROR;
}
return SNMPAPI_NOERROR;
}
/***********************************************************************
* SnmpUtilVarBindFree (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilVarBindFree(SnmpVarBind *vb)
{
TRACE("(%p)\n", vb);
if (!vb) return;
asn_any_free(&vb->value);
HeapFree(GetProcessHeap(), 0, vb->name.ids);
vb->name.idLength = 0;
vb->name.ids = NULL;
}
/***********************************************************************
* SnmpUtilVarBindListCpy (SNMPAPI.@)
*/
INT WINAPI SnmpUtilVarBindListCpy(SnmpVarBindList *dst, SnmpVarBindList *src)
{
unsigned int i, size;
SnmpVarBind *src_entry, *dst_entry;
TRACE("(%p, %p)\n", dst, src);
if (!src)
{
dst->list = NULL;
dst->len = 0;
return SNMPAPI_NOERROR;
}
size = src->len * sizeof(SnmpVarBind);
if (!(dst->list = HeapAlloc(GetProcessHeap(), 0, size)))
return SNMPAPI_ERROR;
src_entry = src->list;
dst_entry = dst->list;
for (i = 0; i < src->len; i++)
{
if (SnmpUtilVarBindCpy(dst_entry, src_entry))
{
src_entry++;
dst_entry++;
}
else
{
for (--i; i > 0; i--) SnmpUtilVarBindFree(--dst_entry);
HeapFree(GetProcessHeap(), 0, dst->list);
return SNMPAPI_ERROR;
}
}
dst->len = src->len;
return SNMPAPI_NOERROR;
}
/***********************************************************************
* SnmpUtilVarBindListFree (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilVarBindListFree(SnmpVarBindList *vb)
{
unsigned int i;
SnmpVarBind *entry;
TRACE("(%p)\n", vb);
entry = vb->list;
for (i = 0; i < vb->len; i++) SnmpUtilVarBindFree(entry++);
HeapFree(GetProcessHeap(), 0, vb->list);
vb->list = NULL;
vb->len = 0;
}
/***********************************************************************
* SnmpUtilIdsToA (SNMPAPI.@)
*/
LPSTR WINAPI SnmpUtilIdsToA(UINT *ids, UINT length)
{
static char one[10], oid[514], null_oid[] = "<null oid>";
unsigned int i, len, left = sizeof(oid) - 1;
TRACE("(%p, %d)\n", ids, length);
if (!ids || !length) return null_oid;
*oid = 0;
for (i = 0; i < length; i++)
{
sprintf(one, "%d", ids[i]);
len = strlen(one);
if (left >= len)
{
strcat(oid, one);
left -= len;
}
else return oid;
if (i < length - 1)
{
if (left > 0)
{
strcat(oid, ".");
left--;
}
else return oid;
}
}
return oid;
}
/***********************************************************************
* SnmpUtilOidToA (SNMPAPI.@)
*/
LPSTR WINAPI SnmpUtilOidToA(AsnObjectIdentifier *oid)
{
static char null_oid[] = "<null oid>";
TRACE("(%p)\n", oid);
if (oid)
return SnmpUtilIdsToA(oid->ids, oid->idLength);
else
return null_oid;
}
/***********************************************************************
* SnmpUtilPrintOid (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilPrintOid(AsnObjectIdentifier *oid)
{
unsigned int i;
TRACE("(%p)\n", oid);
if (!oid) return;
for (i = 0; i < oid->idLength; i++)
{
TRACE("%u", oid->ids[i]);
if (i < oid->idLength - 1) TRACE(".");
}
TRACE("\n");
}
/***********************************************************************
* SnmpUtilPrintAsnAny (SNMPAPI.@)
*/
VOID WINAPI SnmpUtilPrintAsnAny(AsnAny *any)
{
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 %x%08x\n", (DWORD)(any->asnValue.counter64.QuadPart>>32),(DWORD)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;
}
}
}
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