2 * Copyright 2008 Juan Lang
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #define NONAMELESSUNION
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(inetmib1);
38 static DWORD copyInt(AsnAny *value, void *src)
40 value->asnType = ASN_INTEGER;
41 value->asnValue.number = *(DWORD *)src;
42 return SNMP_ERRORSTATUS_NOERROR;
45 static void setStringValue(AsnAny *value, BYTE type, DWORD len, BYTE *str)
49 strValue.asnType = type;
50 strValue.asnValue.string.stream = str;
51 strValue.asnValue.string.length = len;
52 strValue.asnValue.string.dynamic = FALSE;
53 SnmpUtilAsnAnyCpy(value, &strValue);
56 typedef DWORD (*copyValueFunc)(AsnAny *value, void *src);
58 struct structToAsnValue
64 static AsnInteger32 mapStructEntryToValue(struct structToAsnValue *map,
65 UINT mapLen, void *record, UINT id, SnmpVarBind *pVarBind)
67 /* OIDs are 1-based */
69 return SNMP_ERRORSTATUS_NOSUCHNAME;
72 return SNMP_ERRORSTATUS_NOSUCHNAME;
74 return SNMP_ERRORSTATUS_NOSUCHNAME;
75 return map[id].copy(&pVarBind->value, (BYTE *)record + map[id].offset);
78 static DWORD copyIpAddr(AsnAny *value, void *src)
80 setStringValue(value, ASN_IPADDRESS, sizeof(DWORD), src);
81 return SNMP_ERRORSTATUS_NOERROR;
84 static UINT mib2[] = { 1,3,6,1,2,1 };
85 static UINT mib2System[] = { 1,3,6,1,2,1,1 };
87 typedef BOOL (*varqueryfunc)(BYTE bPduType, SnmpVarBind *pVarBind,
88 AsnInteger32 *pErrorStatus);
90 struct mibImplementation
92 AsnObjectIdentifier name;
95 void (*cleanup)(void);
98 static UINT mib2IfNumber[] = { 1,3,6,1,2,1,2,1 };
99 static PMIB_IFTABLE ifTable;
101 static void mib2IfNumberInit(void)
103 DWORD size = 0, ret = GetIfTable(NULL, &size, FALSE);
105 if (ret == ERROR_INSUFFICIENT_BUFFER)
107 MIB_IFTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
110 if (!GetIfTable(table, &size, FALSE)) ifTable = table;
111 else HeapFree(GetProcessHeap(), 0, table );
116 static void mib2IfNumberCleanup(void)
118 HeapFree(GetProcessHeap(), 0, ifTable);
121 static BOOL mib2IfNumberQuery(BYTE bPduType, SnmpVarBind *pVarBind,
122 AsnInteger32 *pErrorStatus)
124 AsnObjectIdentifier numberOid = DEFINE_OID(mib2IfNumber);
127 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
133 case SNMP_PDU_GETNEXT:
134 if ((bPduType == SNMP_PDU_GET &&
135 !SnmpUtilOidNCmp(&pVarBind->name, &numberOid, numberOid.idLength))
136 || SnmpUtilOidNCmp(&pVarBind->name, &numberOid, numberOid.idLength)
139 DWORD numIfs = ifTable ? ifTable->dwNumEntries : 0;
141 copyInt(&pVarBind->value, &numIfs);
142 if (bPduType == SNMP_PDU_GETNEXT)
144 SnmpUtilOidFree(&pVarBind->name);
145 SnmpUtilOidCpy(&pVarBind->name, &numberOid);
147 *pErrorStatus = SNMP_ERRORSTATUS_NOERROR;
151 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
152 /* Caller deals with OID if bPduType == SNMP_PDU_GETNEXT, so don't
153 * need to set it here.
158 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
162 FIXME("0x%02x: unsupported PDU type\n", bPduType);
163 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
168 static DWORD copyOperStatus(AsnAny *value, void *src)
170 value->asnType = ASN_INTEGER;
171 /* The IPHlpApi definition of operational status differs from the MIB2 one,
172 * so map it to the MIB2 value.
174 switch (*(DWORD *)src)
176 case MIB_IF_OPER_STATUS_OPERATIONAL:
177 value->asnValue.number = MIB_IF_ADMIN_STATUS_UP;
179 case MIB_IF_OPER_STATUS_CONNECTING:
180 case MIB_IF_OPER_STATUS_CONNECTED:
181 value->asnValue.number = MIB_IF_ADMIN_STATUS_TESTING;
184 value->asnValue.number = MIB_IF_ADMIN_STATUS_DOWN;
186 return SNMP_ERRORSTATUS_NOERROR;
189 /* Given an OID and a base OID that it must begin with, finds the item and
190 * integer instance from the OID. E.g., given an OID foo.1.2 and a base OID
191 * foo, returns item 1 and instance 2.
192 * If bPduType is not SNMP_PDU_GETNEXT and either the item or instance is
193 * missing, returns SNMP_ERRORSTATUS_NOSUCHNAME.
194 * If bPduType is SNMP_PDU_GETNEXT, returns the successor to the item and
195 * instance, or item 1, instance 1 if either is missing.
197 static AsnInteger32 getItemAndIntegerInstanceFromOid(AsnObjectIdentifier *oid,
198 AsnObjectIdentifier *base, BYTE bPduType, UINT *item, UINT *instance)
200 AsnInteger32 ret = SNMP_ERRORSTATUS_NOERROR;
204 case SNMP_PDU_GETNEXT:
205 if (SnmpUtilOidNCmp(oid, base, base->idLength) < 0)
210 else if (!SnmpUtilOidNCmp(oid, base, base->idLength))
212 if (oid->idLength == base->idLength ||
213 oid->idLength == base->idLength + 1)
215 /* Either the table or an item within the table is specified,
216 * but the instance is not. Get the first instance.
219 if (oid->idLength == base->idLength + 1)
220 *item = oid->ids[base->idLength];
226 *item = oid->ids[base->idLength];
227 *instance = oid->ids[base->idLength + 1] + 1;
231 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
234 if (!SnmpUtilOidNCmp(oid, base, base->idLength))
236 if (oid->idLength == base->idLength ||
237 oid->idLength == base->idLength + 1)
239 /* Either the table or an item within the table is specified,
240 * but the instance is not.
242 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
246 *item = oid->ids[base->idLength];
247 *instance = oid->ids[base->idLength + 1];
251 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
256 /* Given an OID and a base OID that it must begin with, finds the item from the
257 * OID. E.g., given an OID foo.1 and a base OID foo, returns item 1.
258 * If bPduType is not SNMP_PDU_GETNEXT and the item is missing, returns
259 * SNMP_ERRORSTATUS_NOSUCHNAME.
260 * If bPduType is SNMP_PDU_GETNEXT, returns the successor to the item, or item
261 * 1 if the item is missing.
263 static AsnInteger32 getItemFromOid(AsnObjectIdentifier *oid,
264 AsnObjectIdentifier *base, BYTE bPduType, UINT *item)
266 AsnInteger32 ret = SNMP_ERRORSTATUS_NOERROR;
270 case SNMP_PDU_GETNEXT:
271 if (SnmpUtilOidNCmp(oid, base, base->idLength) < 0)
273 else if (!SnmpUtilOidNCmp(oid, base, base->idLength))
275 if (oid->idLength == base->idLength)
277 /* The item is missing, assume the first item */
281 *item = oid->ids[base->idLength] + 1;
284 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
287 if (!SnmpUtilOidNCmp(oid, base, base->idLength))
289 if (oid->idLength == base->idLength)
291 /* The item is missing */
292 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
296 *item = oid->ids[base->idLength];
298 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
302 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
313 static DWORD oidToIpAddr(AsnObjectIdentifier *oid)
315 assert(oid && oid->idLength >= 4);
316 /* Map the IDs to an IP address in little-endian order */
317 return (BYTE)oid->ids[3] << 24 | (BYTE)oid->ids[2] << 16 |
318 (BYTE)oid->ids[1] << 8 | (BYTE)oid->ids[0];
321 typedef void (*oidToKeyFunc)(AsnObjectIdentifier *oid, void *dst);
322 typedef int (*compareFunc)(const void *key, const void *value);
324 /* Finds the first value in the table that matches key. Returns its 1-based
325 * index if found, or 0 if not found.
327 static UINT findValueInTable(const void *key,
328 struct GenericTable *table, size_t tableEntrySize, compareFunc compare)
333 value = bsearch(key, table->entries, table->numEntries, tableEntrySize,
336 index = ((BYTE *)value - (BYTE *)table->entries) / tableEntrySize + 1;
340 /* Finds the first value in the table that matches oid, using makeKey to
341 * convert the oid to a key for comparison. Returns the value's 1-based
342 * index if found, or 0 if not found.
344 static UINT findOidInTable(AsnObjectIdentifier *oid,
345 struct GenericTable *table, size_t tableEntrySize, oidToKeyFunc makeKey,
349 void *key = HeapAlloc(GetProcessHeap(), 0, tableEntrySize);
354 index = findValueInTable(key, table, tableEntrySize, compare);
355 HeapFree(GetProcessHeap(), 0, key);
360 /* Finds the first successor to the value in the table that does matches oid,
361 * using makeKey to convert the oid to a key for comparison. A successor is
362 * a value that does not match oid, so if multiple entries match an oid, only
363 * the first will ever be returned using this method.
364 * Returns the successor's 1-based index if found, or 0 if not found.
366 static UINT findNextOidInTable(AsnObjectIdentifier *oid,
367 struct GenericTable *table, size_t tableEntrySize, oidToKeyFunc makeKey,
371 void *key = HeapAlloc(GetProcessHeap(), 0, tableEntrySize);
376 index = findValueInTable(key, table, tableEntrySize, compare);
379 /* Not found in table. If it's less than the first entry, return
380 * the first index. Otherwise just return 0 and let the caller
381 * handle finding the successor.
383 if (compare(key, table->entries) < 0)
388 /* Skip any entries that match the same key. This enumeration will
389 * be incomplete, but it's what Windows appears to do if there are
390 * multiple entries with the same index in a table, and it avoids
393 for (++index; index <= table->numEntries && compare(key,
394 &table->entries[tableEntrySize * (index - 1)]) == 0; ++index)
397 HeapFree(GetProcessHeap(), 0, key);
402 /* Given an OID and a base OID that it must begin with, finds the item and
403 * element of the table whose value matches the instance from the OID.
404 * The OID is converted to a key with the function makeKey, and compared
405 * against entries in the table with the function compare.
406 * If bPduType is not SNMP_PDU_GETNEXT and either the item or instance is
407 * missing, returns SNMP_ERRORSTATUS_NOSUCHNAME.
408 * If bPduType is SNMP_PDU_GETNEXT, returns the successor to the item and
409 * instance, or item 1, instance 1 if either is missing.
411 static AsnInteger32 getItemAndInstanceFromTable(AsnObjectIdentifier *oid,
412 AsnObjectIdentifier *base, UINT instanceLen, BYTE bPduType,
413 struct GenericTable *table, size_t tableEntrySize, oidToKeyFunc makeKey,
414 compareFunc compare, UINT *item, UINT *instance)
416 AsnInteger32 ret = SNMP_ERRORSTATUS_NOERROR;
419 return SNMP_ERRORSTATUS_NOSUCHNAME;
423 case SNMP_PDU_GETNEXT:
424 if (SnmpUtilOidNCmp(oid, base, base->idLength) < 0)
426 /* Return the first item and instance from the table */
430 else if (!SnmpUtilOidNCmp(oid, base, base->idLength) &&
431 oid->idLength < base->idLength + instanceLen + 1)
433 /* Either the table or an item is specified, but the instance is
437 if (oid->idLength >= base->idLength + 1)
439 *item = oid->ids[base->idLength];
446 else if (!SnmpUtilOidNCmp(oid, base, base->idLength) &&
447 oid->idLength == base->idLength + instanceLen + 1)
449 *item = oid->ids[base->idLength];
457 AsnObjectIdentifier instanceOid = { instanceLen,
458 oid->ids + base->idLength + 1 };
460 *instance = findNextOidInTable(&instanceOid, table,
461 tableEntrySize, makeKey, compare);
462 if (!*instance || *instance > table->numEntries)
463 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
467 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
470 if (!SnmpUtilOidNCmp(oid, base, base->idLength) &&
471 oid->idLength == base->idLength + instanceLen + 1)
473 *item = oid->ids[base->idLength];
475 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
478 AsnObjectIdentifier instanceOid = { instanceLen,
479 oid->ids + base->idLength + 1 };
481 *instance = findOidInTable(&instanceOid, table, tableEntrySize,
484 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
488 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
493 static INT setOidWithItem(AsnObjectIdentifier *dst, AsnObjectIdentifier *base,
497 AsnObjectIdentifier oid;
500 SnmpUtilOidFree(dst);
501 ret = SnmpUtilOidCpy(dst, base);
507 ret = SnmpUtilOidAppend(dst, &oid);
512 static INT setOidWithItemAndIpAddr(AsnObjectIdentifier *dst,
513 AsnObjectIdentifier *base, UINT item, DWORD addr)
517 AsnObjectIdentifier oid;
520 ret = setOidWithItem(dst, base, item);
525 for (ptr = (BYTE *)&addr; ret && ptr < (BYTE *)&addr + sizeof(DWORD);
529 ret = SnmpUtilOidAppend(dst, &oid);
535 static INT setOidWithItemAndInteger(AsnObjectIdentifier *dst,
536 AsnObjectIdentifier *base, UINT item, UINT instance)
538 AsnObjectIdentifier oid;
541 ret = setOidWithItem(dst, base, item);
546 ret = SnmpUtilOidAppend(dst, &oid);
551 static DWORD copyIfRowDescr(AsnAny *value, void *src)
553 PMIB_IFROW row = (PMIB_IFROW)((BYTE *)src -
554 FIELD_OFFSET(MIB_IFROW, dwDescrLen));
559 setStringValue(value, ASN_OCTETSTRING, row->dwDescrLen, row->bDescr);
560 ret = SNMP_ERRORSTATUS_NOERROR;
563 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
567 static DWORD copyIfRowPhysAddr(AsnAny *value, void *src)
569 PMIB_IFROW row = (PMIB_IFROW)((BYTE *)src -
570 FIELD_OFFSET(MIB_IFROW, dwPhysAddrLen));
573 if (row->dwPhysAddrLen)
575 setStringValue(value, ASN_OCTETSTRING, row->dwPhysAddrLen,
577 ret = SNMP_ERRORSTATUS_NOERROR;
580 ret = SNMP_ERRORSTATUS_NOSUCHNAME;
584 static struct structToAsnValue mib2IfEntryMap[] = {
585 { FIELD_OFFSET(MIB_IFROW, dwIndex), copyInt },
586 { FIELD_OFFSET(MIB_IFROW, dwDescrLen), copyIfRowDescr },
587 { FIELD_OFFSET(MIB_IFROW, dwType), copyInt },
588 { FIELD_OFFSET(MIB_IFROW, dwMtu), copyInt },
589 { FIELD_OFFSET(MIB_IFROW, dwSpeed), copyInt },
590 { FIELD_OFFSET(MIB_IFROW, dwPhysAddrLen), copyIfRowPhysAddr },
591 { FIELD_OFFSET(MIB_IFROW, dwAdminStatus), copyInt },
592 { FIELD_OFFSET(MIB_IFROW, dwOperStatus), copyOperStatus },
593 { FIELD_OFFSET(MIB_IFROW, dwLastChange), copyInt },
594 { FIELD_OFFSET(MIB_IFROW, dwInOctets), copyInt },
595 { FIELD_OFFSET(MIB_IFROW, dwInUcastPkts), copyInt },
596 { FIELD_OFFSET(MIB_IFROW, dwInNUcastPkts), copyInt },
597 { FIELD_OFFSET(MIB_IFROW, dwInDiscards), copyInt },
598 { FIELD_OFFSET(MIB_IFROW, dwInErrors), copyInt },
599 { FIELD_OFFSET(MIB_IFROW, dwInUnknownProtos), copyInt },
600 { FIELD_OFFSET(MIB_IFROW, dwOutOctets), copyInt },
601 { FIELD_OFFSET(MIB_IFROW, dwOutUcastPkts), copyInt },
602 { FIELD_OFFSET(MIB_IFROW, dwOutNUcastPkts), copyInt },
603 { FIELD_OFFSET(MIB_IFROW, dwOutDiscards), copyInt },
604 { FIELD_OFFSET(MIB_IFROW, dwOutErrors), copyInt },
605 { FIELD_OFFSET(MIB_IFROW, dwOutQLen), copyInt },
608 static UINT mib2IfEntry[] = { 1,3,6,1,2,1,2,2,1 };
610 static BOOL mib2IfEntryQuery(BYTE bPduType, SnmpVarBind *pVarBind,
611 AsnInteger32 *pErrorStatus)
613 AsnObjectIdentifier entryOid = DEFINE_OID(mib2IfEntry);
616 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
622 case SNMP_PDU_GETNEXT:
625 /* There is no interface present, so let the caller deal
626 * with finding the successor.
628 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
632 UINT tableIndex = 0, item = 0;
634 *pErrorStatus = getItemAndIntegerInstanceFromOid(&pVarBind->name,
635 &entryOid, bPduType, &item, &tableIndex);
640 if (tableIndex > ifTable->dwNumEntries)
641 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
644 *pErrorStatus = mapStructEntryToValue(mib2IfEntryMap,
645 DEFINE_SIZEOF(mib2IfEntryMap),
646 &ifTable->table[tableIndex - 1], item,
648 if (bPduType == SNMP_PDU_GETNEXT)
649 ret = setOidWithItemAndInteger(&pVarBind->name,
650 &entryOid, item, tableIndex);
656 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
660 FIXME("0x%02x: unsupported PDU type\n", bPduType);
661 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
666 static UINT mib2Ip[] = { 1,3,6,1,2,1,4 };
667 static MIB_IPSTATS ipStats;
669 static void mib2IpStatsInit(void)
671 GetIpStatistics(&ipStats);
674 static struct structToAsnValue mib2IpMap[] = {
675 { FIELD_OFFSET(MIB_IPSTATS, u.dwForwarding), copyInt }, /* 1 */
676 { FIELD_OFFSET(MIB_IPSTATS, dwDefaultTTL), copyInt }, /* 2 */
677 { FIELD_OFFSET(MIB_IPSTATS, dwInReceives), copyInt }, /* 3 */
678 { FIELD_OFFSET(MIB_IPSTATS, dwInHdrErrors), copyInt }, /* 4 */
679 { FIELD_OFFSET(MIB_IPSTATS, dwInAddrErrors), copyInt }, /* 5 */
680 { FIELD_OFFSET(MIB_IPSTATS, dwForwDatagrams), copyInt }, /* 6 */
681 { FIELD_OFFSET(MIB_IPSTATS, dwInUnknownProtos), copyInt }, /* 7 */
682 { FIELD_OFFSET(MIB_IPSTATS, dwInDiscards), copyInt }, /* 8 */
683 { FIELD_OFFSET(MIB_IPSTATS, dwInDelivers), copyInt }, /* 9 */
684 { FIELD_OFFSET(MIB_IPSTATS, dwOutRequests), copyInt }, /* 10 */
685 { FIELD_OFFSET(MIB_IPSTATS, dwOutDiscards), copyInt }, /* 11 */
686 { FIELD_OFFSET(MIB_IPSTATS, dwOutNoRoutes), copyInt }, /* 12 */
687 { FIELD_OFFSET(MIB_IPSTATS, dwReasmTimeout), copyInt }, /* 13 */
688 { FIELD_OFFSET(MIB_IPSTATS, dwReasmReqds), copyInt }, /* 14 */
689 { FIELD_OFFSET(MIB_IPSTATS, dwReasmOks), copyInt }, /* 15 */
690 { FIELD_OFFSET(MIB_IPSTATS, dwReasmFails), copyInt }, /* 16 */
691 { FIELD_OFFSET(MIB_IPSTATS, dwFragOks), copyInt }, /* 17 */
692 { FIELD_OFFSET(MIB_IPSTATS, dwFragFails), copyInt }, /* 18 */
693 { FIELD_OFFSET(MIB_IPSTATS, dwFragCreates), copyInt }, /* 19 */
694 { 0, NULL }, /* 20: not used, IP addr table */
695 { 0, NULL }, /* 21: not used, route table */
696 { 0, NULL }, /* 22: not used, net to media (ARP) table */
697 { FIELD_OFFSET(MIB_IPSTATS, dwRoutingDiscards), copyInt }, /* 23 */
700 static BOOL mib2IpStatsQuery(BYTE bPduType, SnmpVarBind *pVarBind,
701 AsnInteger32 *pErrorStatus)
703 AsnObjectIdentifier myOid = DEFINE_OID(mib2Ip);
707 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
713 case SNMP_PDU_GETNEXT:
714 *pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
718 *pErrorStatus = mapStructEntryToValue(mib2IpMap,
719 DEFINE_SIZEOF(mib2IpMap), &ipStats, item, pVarBind);
720 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
721 ret = setOidWithItem(&pVarBind->name, &myOid, item);
725 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
729 FIXME("0x%02x: unsupported PDU type\n", bPduType);
730 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
735 static UINT mib2IpAddr[] = { 1,3,6,1,2,1,4,20,1 };
736 static PMIB_IPADDRTABLE ipAddrTable;
738 static struct structToAsnValue mib2IpAddrMap[] = {
739 { FIELD_OFFSET(MIB_IPADDRROW, dwAddr), copyIpAddr },
740 { FIELD_OFFSET(MIB_IPADDRROW, dwIndex), copyInt },
741 { FIELD_OFFSET(MIB_IPADDRROW, dwMask), copyIpAddr },
742 { FIELD_OFFSET(MIB_IPADDRROW, dwBCastAddr), copyInt },
743 { FIELD_OFFSET(MIB_IPADDRROW, dwReasmSize), copyInt },
746 static void mib2IpAddrInit(void)
748 DWORD size = 0, ret = GetIpAddrTable(NULL, &size, TRUE);
750 if (ret == ERROR_INSUFFICIENT_BUFFER)
752 MIB_IPADDRTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
755 if (!GetIpAddrTable(table, &size, TRUE)) ipAddrTable = table;
756 else HeapFree(GetProcessHeap(), 0, table );
761 static void mib2IpAddrCleanup(void)
763 HeapFree(GetProcessHeap(), 0, ipAddrTable);
766 static void oidToIpAddrRow(AsnObjectIdentifier *oid, void *dst)
768 MIB_IPADDRROW *row = dst;
770 row->dwAddr = oidToIpAddr(oid);
773 static int compareIpAddrRow(const void *a, const void *b)
775 const MIB_IPADDRROW *key = a, *value = b;
777 return key->dwAddr - value->dwAddr;
780 static BOOL mib2IpAddrQuery(BYTE bPduType, SnmpVarBind *pVarBind,
781 AsnInteger32 *pErrorStatus)
783 AsnObjectIdentifier myOid = DEFINE_OID(mib2IpAddr);
784 UINT tableIndex = 0, item = 0;
787 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
793 case SNMP_PDU_GETNEXT:
794 *pErrorStatus = getItemAndInstanceFromTable(&pVarBind->name,
795 &myOid, 4, bPduType, (struct GenericTable *)ipAddrTable,
796 sizeof(MIB_IPADDRROW), oidToIpAddrRow, compareIpAddrRow, &item,
802 *pErrorStatus = mapStructEntryToValue(mib2IpAddrMap,
803 DEFINE_SIZEOF(mib2IpAddrMap),
804 &ipAddrTable->table[tableIndex - 1], item, pVarBind);
805 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
806 ret = setOidWithItemAndIpAddr(&pVarBind->name, &myOid, item,
807 ipAddrTable->table[tableIndex - 1].dwAddr);
811 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
815 FIXME("0x%02x: unsupported PDU type\n", bPduType);
816 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
821 static UINT mib2IpRoute[] = { 1,3,6,1,2,1,4,21,1 };
822 static PMIB_IPFORWARDTABLE ipRouteTable;
824 static struct structToAsnValue mib2IpRouteMap[] = {
825 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardDest), copyIpAddr },
826 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardIfIndex), copyInt },
827 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric1), copyInt },
828 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric2), copyInt },
829 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric3), copyInt },
830 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric4), copyInt },
831 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardNextHop), copyIpAddr },
832 { FIELD_OFFSET(MIB_IPFORWARDROW, u1.dwForwardType), copyInt },
833 { FIELD_OFFSET(MIB_IPFORWARDROW, u2.dwForwardProto), copyInt },
834 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardAge), copyInt },
835 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMask), copyIpAddr },
836 { FIELD_OFFSET(MIB_IPFORWARDROW, dwForwardMetric5), copyInt },
839 static void mib2IpRouteInit(void)
841 DWORD size = 0, ret = GetIpForwardTable(NULL, &size, TRUE);
843 if (ret == ERROR_INSUFFICIENT_BUFFER)
845 MIB_IPFORWARDTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
848 if (!GetIpForwardTable(table, &size, TRUE)) ipRouteTable = table;
849 else HeapFree(GetProcessHeap(), 0, table );
854 static void mib2IpRouteCleanup(void)
856 HeapFree(GetProcessHeap(), 0, ipRouteTable);
859 static void oidToIpForwardRow(AsnObjectIdentifier *oid, void *dst)
861 MIB_IPFORWARDROW *row = dst;
863 row->dwForwardDest = oidToIpAddr(oid);
866 static int compareIpForwardRow(const void *a, const void *b)
868 const MIB_IPFORWARDROW *key = a, *value = b;
870 return key->dwForwardDest - value->dwForwardDest;
873 static BOOL mib2IpRouteQuery(BYTE bPduType, SnmpVarBind *pVarBind,
874 AsnInteger32 *pErrorStatus)
876 AsnObjectIdentifier myOid = DEFINE_OID(mib2IpRoute);
877 UINT tableIndex = 0, item = 0;
880 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
886 case SNMP_PDU_GETNEXT:
887 *pErrorStatus = getItemAndInstanceFromTable(&pVarBind->name,
888 &myOid, 4, bPduType, (struct GenericTable *)ipRouteTable,
889 sizeof(MIB_IPFORWARDROW), oidToIpForwardRow, compareIpForwardRow,
895 *pErrorStatus = mapStructEntryToValue(mib2IpRouteMap,
896 DEFINE_SIZEOF(mib2IpRouteMap),
897 &ipRouteTable->table[tableIndex - 1], item, pVarBind);
898 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
899 ret = setOidWithItemAndIpAddr(&pVarBind->name, &myOid, item,
900 ipRouteTable->table[tableIndex - 1].dwForwardDest);
904 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
908 FIXME("0x%02x: unsupported PDU type\n", bPduType);
909 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
914 static UINT mib2IpNet[] = { 1,3,6,1,2,1,4,22,1 };
915 static PMIB_IPNETTABLE ipNetTable;
917 static DWORD copyIpNetPhysAddr(AsnAny *value, void *src)
919 PMIB_IPNETROW row = (PMIB_IPNETROW)((BYTE *)src - FIELD_OFFSET(MIB_IPNETROW,
922 setStringValue(value, ASN_OCTETSTRING, row->dwPhysAddrLen, row->bPhysAddr);
923 return SNMP_ERRORSTATUS_NOERROR;
926 static struct structToAsnValue mib2IpNetMap[] = {
927 { FIELD_OFFSET(MIB_IPNETROW, dwIndex), copyInt },
928 { FIELD_OFFSET(MIB_IPNETROW, dwPhysAddrLen), copyIpNetPhysAddr },
929 { FIELD_OFFSET(MIB_IPNETROW, dwAddr), copyIpAddr },
930 { FIELD_OFFSET(MIB_IPNETROW, u.dwType), copyInt },
933 static void mib2IpNetInit(void)
935 DWORD size = 0, ret = GetIpNetTable(NULL, &size, FALSE);
937 if (ret == ERROR_INSUFFICIENT_BUFFER)
939 MIB_IPNETTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
942 if (!GetIpNetTable(table, &size, FALSE)) ipNetTable = table;
943 else HeapFree(GetProcessHeap(), 0, table );
948 static void mib2IpNetCleanup(void)
950 HeapFree(GetProcessHeap(), 0, ipNetTable);
953 static BOOL mib2IpNetQuery(BYTE bPduType, SnmpVarBind *pVarBind,
954 AsnInteger32 *pErrorStatus)
956 AsnObjectIdentifier myOid = DEFINE_OID(mib2IpNet);
959 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
965 case SNMP_PDU_GETNEXT:
967 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
970 UINT tableIndex = 0, item = 0;
972 *pErrorStatus = getItemAndIntegerInstanceFromOid(&pVarBind->name,
973 &myOid, bPduType, &item, &tableIndex);
978 if (tableIndex > ipNetTable->dwNumEntries)
979 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
982 *pErrorStatus = mapStructEntryToValue(mib2IpNetMap,
983 DEFINE_SIZEOF(mib2IpNetMap),
984 &ipNetTable[tableIndex - 1], item, pVarBind);
985 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
986 ret = setOidWithItemAndInteger(&pVarBind->name, &myOid,
993 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
997 FIXME("0x%02x: unsupported PDU type\n", bPduType);
998 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
1003 static UINT mib2Icmp[] = { 1,3,6,1,2,1,5 };
1004 static MIB_ICMP icmpStats;
1006 static void mib2IcmpInit(void)
1008 GetIcmpStatistics(&icmpStats);
1011 static struct structToAsnValue mib2IcmpMap[] = {
1012 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwMsgs), copyInt },
1013 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwErrors), copyInt },
1014 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwDestUnreachs), copyInt },
1015 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwTimeExcds), copyInt },
1016 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwParmProbs), copyInt },
1017 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwSrcQuenchs), copyInt },
1018 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwRedirects), copyInt },
1019 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwEchos), copyInt },
1020 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwEchoReps), copyInt },
1021 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwTimestamps), copyInt },
1022 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwTimestampReps), copyInt },
1023 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwAddrMasks), copyInt },
1024 { FIELD_OFFSET(MIBICMPINFO, icmpInStats.dwAddrMaskReps), copyInt },
1025 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwMsgs), copyInt },
1026 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwErrors), copyInt },
1027 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwDestUnreachs), copyInt },
1028 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwTimeExcds), copyInt },
1029 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwParmProbs), copyInt },
1030 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwSrcQuenchs), copyInt },
1031 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwRedirects), copyInt },
1032 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwEchos), copyInt },
1033 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwEchoReps), copyInt },
1034 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwTimestamps), copyInt },
1035 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwTimestampReps), copyInt },
1036 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwAddrMasks), copyInt },
1037 { FIELD_OFFSET(MIBICMPINFO, icmpOutStats.dwAddrMaskReps), copyInt },
1040 static BOOL mib2IcmpQuery(BYTE bPduType, SnmpVarBind *pVarBind,
1041 AsnInteger32 *pErrorStatus)
1043 AsnObjectIdentifier myOid = DEFINE_OID(mib2Icmp);
1047 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
1053 case SNMP_PDU_GETNEXT:
1054 *pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
1058 *pErrorStatus = mapStructEntryToValue(mib2IcmpMap,
1059 DEFINE_SIZEOF(mib2IcmpMap), &icmpStats, item,
1061 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
1062 ret = setOidWithItem(&pVarBind->name, &myOid, item);
1066 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
1070 FIXME("0x%02x: unsupported PDU type\n", bPduType);
1071 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
1076 static UINT mib2Tcp[] = { 1,3,6,1,2,1,6 };
1077 static MIB_TCPSTATS tcpStats;
1079 static void mib2TcpInit(void)
1081 GetTcpStatistics(&tcpStats);
1084 static struct structToAsnValue mib2TcpMap[] = {
1085 { FIELD_OFFSET(MIB_TCPSTATS, u.dwRtoAlgorithm), copyInt },
1086 { FIELD_OFFSET(MIB_TCPSTATS, dwRtoMin), copyInt },
1087 { FIELD_OFFSET(MIB_TCPSTATS, dwRtoMax), copyInt },
1088 { FIELD_OFFSET(MIB_TCPSTATS, dwMaxConn), copyInt },
1089 { FIELD_OFFSET(MIB_TCPSTATS, dwActiveOpens), copyInt },
1090 { FIELD_OFFSET(MIB_TCPSTATS, dwPassiveOpens), copyInt },
1091 { FIELD_OFFSET(MIB_TCPSTATS, dwAttemptFails), copyInt },
1092 { FIELD_OFFSET(MIB_TCPSTATS, dwEstabResets), copyInt },
1093 { FIELD_OFFSET(MIB_TCPSTATS, dwCurrEstab), copyInt },
1094 { FIELD_OFFSET(MIB_TCPSTATS, dwInSegs), copyInt },
1095 { FIELD_OFFSET(MIB_TCPSTATS, dwOutSegs), copyInt },
1096 { FIELD_OFFSET(MIB_TCPSTATS, dwRetransSegs), copyInt },
1097 { FIELD_OFFSET(MIB_TCPSTATS, dwInErrs), copyInt },
1098 { FIELD_OFFSET(MIB_TCPSTATS, dwOutRsts), copyInt },
1099 { FIELD_OFFSET(MIB_TCPSTATS, dwNumConns), copyInt },
1102 static BOOL mib2TcpQuery(BYTE bPduType, SnmpVarBind *pVarBind,
1103 AsnInteger32 *pErrorStatus)
1105 AsnObjectIdentifier myOid = DEFINE_OID(mib2Tcp);
1109 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
1115 case SNMP_PDU_GETNEXT:
1116 *pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
1120 *pErrorStatus = mapStructEntryToValue(mib2TcpMap,
1121 DEFINE_SIZEOF(mib2TcpMap), &tcpStats, item, pVarBind);
1122 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
1123 ret = setOidWithItem(&pVarBind->name, &myOid, item);
1127 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
1131 FIXME("0x%02x: unsupported PDU type\n", bPduType);
1132 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
1137 static UINT mib2Udp[] = { 1,3,6,1,2,1,7 };
1138 static MIB_UDPSTATS udpStats;
1140 static void mib2UdpInit(void)
1142 GetUdpStatistics(&udpStats);
1145 static struct structToAsnValue mib2UdpMap[] = {
1146 { FIELD_OFFSET(MIB_UDPSTATS, dwInDatagrams), copyInt },
1147 { FIELD_OFFSET(MIB_UDPSTATS, dwNoPorts), copyInt },
1148 { FIELD_OFFSET(MIB_UDPSTATS, dwInErrors), copyInt },
1149 { FIELD_OFFSET(MIB_UDPSTATS, dwOutDatagrams), copyInt },
1152 static BOOL mib2UdpQuery(BYTE bPduType, SnmpVarBind *pVarBind,
1153 AsnInteger32 *pErrorStatus)
1155 AsnObjectIdentifier myOid = DEFINE_OID(mib2Udp);
1159 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
1165 case SNMP_PDU_GETNEXT:
1166 *pErrorStatus = getItemFromOid(&pVarBind->name, &myOid, bPduType,
1170 *pErrorStatus = mapStructEntryToValue(mib2UdpMap,
1171 DEFINE_SIZEOF(mib2UdpMap), &udpStats, item, pVarBind);
1172 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
1173 ret = setOidWithItem(&pVarBind->name, &myOid, item);
1177 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
1181 FIXME("0x%02x: unsupported PDU type\n", bPduType);
1182 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
1187 static UINT mib2UdpEntry[] = { 1,3,6,1,2,1,7,5,1 };
1188 static PMIB_UDPTABLE udpTable;
1190 static void mib2UdpEntryInit(void)
1192 DWORD size = 0, ret = GetUdpTable(NULL, &size, TRUE);
1194 if (ret == ERROR_INSUFFICIENT_BUFFER)
1196 MIB_UDPTABLE *table = HeapAlloc(GetProcessHeap(), 0, size);
1199 if (!GetUdpTable(table, &size, TRUE)) udpTable = table;
1200 else HeapFree(GetProcessHeap(), 0, table);
1205 static void mib2UdpEntryCleanup(void)
1207 HeapFree(GetProcessHeap(), 0, udpTable);
1210 static struct structToAsnValue mib2UdpEntryMap[] = {
1211 { FIELD_OFFSET(MIB_UDPROW, dwLocalAddr), copyIpAddr },
1212 { FIELD_OFFSET(MIB_UDPROW, dwLocalPort), copyInt },
1215 static void oidToUdpRow(AsnObjectIdentifier *oid, void *dst)
1217 MIB_UDPROW *row = dst;
1219 assert(oid && oid->idLength >= 5);
1220 row->dwLocalAddr = oidToIpAddr(oid);
1221 row->dwLocalPort = oid->ids[4];
1224 static int compareUdpRow(const void *a, const void *b)
1226 const MIB_UDPROW *key = a, *value = b;
1229 ret = key->dwLocalAddr - value->dwLocalAddr;
1231 ret = key->dwLocalPort - value->dwLocalPort;
1235 static BOOL mib2UdpEntryQuery(BYTE bPduType, SnmpVarBind *pVarBind,
1236 AsnInteger32 *pErrorStatus)
1238 AsnObjectIdentifier myOid = DEFINE_OID(mib2UdpEntry);
1241 TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
1247 case SNMP_PDU_GETNEXT:
1249 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
1252 UINT tableIndex = 0, item = 0;
1254 *pErrorStatus = getItemAndInstanceFromTable(&pVarBind->name, &myOid,
1255 5, bPduType, (struct GenericTable *)udpTable,
1256 sizeof(MIB_UDPROW), oidToUdpRow, compareUdpRow, &item,
1262 *pErrorStatus = mapStructEntryToValue(mib2UdpEntryMap,
1263 DEFINE_SIZEOF(mib2UdpEntryMap),
1264 &udpTable->table[tableIndex - 1], item, pVarBind);
1265 if (!*pErrorStatus && bPduType == SNMP_PDU_GETNEXT)
1267 AsnObjectIdentifier oid;
1269 ret = setOidWithItemAndIpAddr(&pVarBind->name, &myOid, item,
1270 udpTable->table[tableIndex - 1].dwLocalAddr);
1274 oid.ids = &udpTable->table[tableIndex - 1].dwLocalPort;
1275 ret = SnmpUtilOidAppend(&pVarBind->name, &oid);
1282 *pErrorStatus = SNMP_ERRORSTATUS_READONLY;
1286 FIXME("0x%02x: unsupported PDU type\n", bPduType);
1287 *pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
1292 /* This list MUST BE lexicographically sorted */
1293 static struct mibImplementation supportedIDs[] = {
1294 { DEFINE_OID(mib2IfNumber), mib2IfNumberInit, mib2IfNumberQuery,
1295 mib2IfNumberCleanup },
1296 { DEFINE_OID(mib2IfEntry), NULL, mib2IfEntryQuery, NULL },
1297 { DEFINE_OID(mib2Ip), mib2IpStatsInit, mib2IpStatsQuery, NULL },
1298 { DEFINE_OID(mib2IpAddr), mib2IpAddrInit, mib2IpAddrQuery,
1299 mib2IpAddrCleanup },
1300 { DEFINE_OID(mib2IpRoute), mib2IpRouteInit, mib2IpRouteQuery,
1301 mib2IpRouteCleanup },
1302 { DEFINE_OID(mib2IpNet), mib2IpNetInit, mib2IpNetQuery, mib2IpNetCleanup },
1303 { DEFINE_OID(mib2Icmp), mib2IcmpInit, mib2IcmpQuery, NULL },
1304 { DEFINE_OID(mib2Tcp), mib2TcpInit, mib2TcpQuery, NULL },
1305 { DEFINE_OID(mib2Udp), mib2UdpInit, mib2UdpQuery, NULL },
1306 { DEFINE_OID(mib2UdpEntry), mib2UdpEntryInit, mib2UdpEntryQuery,
1307 mib2UdpEntryCleanup },
1309 static UINT minSupportedIDLength;
1311 /*****************************************************************************
1312 * SnmpExtensionInit [INETMIB1.@]
1314 BOOL WINAPI SnmpExtensionInit(DWORD dwUptimeReference,
1315 HANDLE *phSubagentTrapEvent, AsnObjectIdentifier *pFirstSupportedRegion)
1317 AsnObjectIdentifier myOid = DEFINE_OID(mib2System);
1320 TRACE("(%d, %p, %p)\n", dwUptimeReference, phSubagentTrapEvent,
1321 pFirstSupportedRegion);
1323 minSupportedIDLength = UINT_MAX;
1324 for (i = 0; i < sizeof(supportedIDs) / sizeof(supportedIDs[0]); i++)
1326 if (supportedIDs[i].init)
1327 supportedIDs[i].init();
1328 if (supportedIDs[i].name.idLength < minSupportedIDLength)
1329 minSupportedIDLength = supportedIDs[i].name.idLength;
1331 *phSubagentTrapEvent = NULL;
1332 SnmpUtilOidCpy(pFirstSupportedRegion, &myOid);
1336 static void cleanup(void)
1340 for (i = 0; i < sizeof(supportedIDs) / sizeof(supportedIDs[0]); i++)
1341 if (supportedIDs[i].cleanup)
1342 supportedIDs[i].cleanup();
1345 static struct mibImplementation *findSupportedQuery(UINT *ids, UINT idLength,
1346 UINT *matchingIndex)
1348 int indexHigh = DEFINE_SIZEOF(supportedIDs) - 1, indexLow = 0;
1349 AsnObjectIdentifier oid1 = { idLength, ids};
1354 while (indexLow <= indexHigh)
1356 INT cmp, i = (indexLow + indexHigh) / 2;
1357 if (!(cmp = SnmpUtilOidNCmp(&oid1, &supportedIDs[i].name, idLength)))
1360 return &supportedIDs[i];
1370 /*****************************************************************************
1371 * SnmpExtensionQuery [INETMIB1.@]
1373 BOOL WINAPI SnmpExtensionQuery(BYTE bPduType, SnmpVarBindList *pVarBindList,
1374 AsnInteger32 *pErrorStatus, AsnInteger32 *pErrorIndex)
1376 AsnObjectIdentifier mib2oid = DEFINE_OID(mib2);
1377 AsnInteger32 error = SNMP_ERRORSTATUS_NOERROR, errorIndex = 0;
1381 TRACE("(0x%02x, %p, %p, %p)\n", bPduType, pVarBindList,
1382 pErrorStatus, pErrorIndex);
1384 for (i = 0; !error && i < pVarBindList->len; i++)
1386 /* Ignore any OIDs not in MIB2 */
1387 if (!SnmpUtilOidNCmp(&pVarBindList->list[i].name, &mib2oid,
1390 struct mibImplementation *impl = NULL;
1391 UINT len, matchingIndex = 0;
1393 TRACE("%s\n", SnmpUtilOidToA(&pVarBindList->list[i].name));
1394 /* Search for an implementation matching as many octets as possible
1396 for (len = pVarBindList->list[i].name.idLength;
1397 len >= minSupportedIDLength && !impl; len--)
1398 impl = findSupportedQuery(pVarBindList->list[i].name.ids, len,
1400 if (impl && impl->query)
1401 ret = impl->query(bPduType, &pVarBindList->list[i], &error);
1403 error = SNMP_ERRORSTATUS_NOSUCHNAME;
1404 if (error == SNMP_ERRORSTATUS_NOSUCHNAME &&
1405 bPduType == SNMP_PDU_GETNEXT)
1407 /* GetNext is special: it finds the successor to the given OID,
1408 * so we have to continue until an implementation handles the
1409 * query or we exhaust the table of supported OIDs.
1411 for (matchingIndex++; error == SNMP_ERRORSTATUS_NOSUCHNAME &&
1412 matchingIndex < DEFINE_SIZEOF(supportedIDs);
1415 error = SNMP_ERRORSTATUS_NOERROR;
1416 impl = &supportedIDs[matchingIndex];
1418 ret = impl->query(bPduType, &pVarBindList->list[i],
1421 error = SNMP_ERRORSTATUS_NOSUCHNAME;
1423 /* If the query still isn't resolved, set the OID to the
1424 * successor to the last entry in the table.
1426 if (error == SNMP_ERRORSTATUS_NOSUCHNAME)
1428 SnmpUtilOidFree(&pVarBindList->list[i].name);
1429 ret = SnmpUtilOidCpy(&pVarBindList->list[i].name,
1430 &supportedIDs[matchingIndex - 1].name);
1431 pVarBindList->list[i].name.ids[
1432 pVarBindList->list[i].name.idLength - 1] += 1;
1439 *pErrorStatus = error;
1440 *pErrorIndex = errorIndex;
1444 /*****************************************************************************
1445 * DllMain [INETMIB1.@]
1447 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
1449 TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
1453 case DLL_PROCESS_ATTACH:
1454 DisableThreadLibraryCalls(hinstDLL);
1456 case DLL_PROCESS_DETACH: