static void testInit(void)
{
BOOL (WINAPI *pInit)(DWORD, HANDLE *, AsnObjectIdentifier *);
BOOL ret;
HANDLE event;
AsnObjectIdentifier oid;
pInit = (void *)GetProcAddress(inetmib1, "SnmpExtensionInit");
if (!pInit)
{
win_skip("no SnmpExtensionInit\n");
return;
}
/* Crash
ret = pInit(0, NULL, NULL);
ret = pInit(0, NULL, &oid);
ret = pInit(0, &event, NULL);
*/
ret = pInit(0, &event, &oid);
ok(ret, "SnmpExtensionInit failed: %d\n", GetLastError());
ok(!strcmp("1.3.6.1.2.1.1", SnmpUtilOidToA(&oid)),
"Expected 1.3.6.1.2.1.1, got %s\n", SnmpUtilOidToA(&oid));
SnmpUtilOidFree(&oid);
}
//
// SnmpSvcReleaseMessage
// Releases all memory associated with a message.
//
// Notes:
//
// Return Codes:
// SNMPAPI_NOERROR
// SNMPAPI_ERROR
//
// Error Codes:
// None.
//
SNMPAPI
SNMP_FUNC_TYPE
SnmpSvcReleaseMessage(
IN OUT SnmpMgmtCom *snmpMgmtCom // Message to release
)
{
// Release source and destination OID
SnmpUtilOidFree( &snmpMgmtCom->dstParty );
SnmpUtilOidFree( &snmpMgmtCom->srcParty );
// Free community if dynamic
if ( snmpMgmtCom->community.dynamic )
{
SnmpUtilMemFree( snmpMgmtCom->community.stream );
}
// Release PDU
return PDU_ReleaseAnyPDU( &snmpMgmtCom->pdu );
} // SnmpSvcReleaseMessage
VOID SNMP_FUNC_TYPE SnmpUtilVarBindFree(IN OUT RFC1157VarBind *VarBind)
{
BYTE asnType;
// free object name
SnmpUtilOidFree(&VarBind->name);
asnType = VarBind->value.asnType;
if(asnType==ASN_OBJECTIDENTIFIER){
SnmpUtilOidFree(&VarBind->value.asnValue.object);
}
else if(
(asnType==ASN_OCTETSTRING) ||
(asnType==ASN_RFC1155_IPADDRESS) ||
(asnType==ASN_RFC1155_OPAQUE) ||
(asnType==ASN_SEQUENCE)){
if(VarBind->value.asnValue.string.dynamic){
GlobalFree(VarBind->value.asnValue.string.stream);
}
}
VarBind->value.asnType = ASN_NULL;
}
static BOOL mib2IfNumberQuery(BYTE bPduType, SnmpVarBind *pVarBind,
AsnInteger32 *pErrorStatus)
{
AsnObjectIdentifier numberOid = DEFINE_OID(mib2IfNumber);
BOOL ret = TRUE;
TRACE("(0x%02x, %s, %p)\n", bPduType, SnmpUtilOidToA(&pVarBind->name),
pErrorStatus);
switch (bPduType)
{
case SNMP_PDU_GET:
case SNMP_PDU_GETNEXT:
if ((bPduType == SNMP_PDU_GET &&
!SnmpUtilOidNCmp(&pVarBind->name, &numberOid, numberOid.idLength))
|| SnmpUtilOidNCmp(&pVarBind->name, &numberOid, numberOid.idLength)
< 0)
{
DWORD numIfs = ifTable ? ifTable->dwNumEntries : 0;
copyInt(&pVarBind->value, &numIfs);
if (bPduType == SNMP_PDU_GETNEXT)
{
SnmpUtilOidFree(&pVarBind->name);
SnmpUtilOidCpy(&pVarBind->name, &numberOid);
}
*pErrorStatus = SNMP_ERRORSTATUS_NOERROR;
}
else
{
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
/* Caller deals with OID if bPduType == SNMP_PDU_GETNEXT, so don't
* need to set it here.
*/
}
break;
case SNMP_PDU_SET:
*pErrorStatus = SNMP_ERRORSTATUS_READONLY;
ret = FALSE;
break;
default:
FIXME("0x%02x: unsupported PDU type\n", bPduType);
*pErrorStatus = SNMP_ERRORSTATUS_NOSUCHNAME;
}
return ret;
}
static INT setOidWithItem(AsnObjectIdentifier *dst, AsnObjectIdentifier *base,
UINT item)
{
UINT id;
AsnObjectIdentifier oid;
INT ret;
SnmpUtilOidFree(dst);
ret = SnmpUtilOidCpy(dst, base);
if (ret)
{
oid.idLength = 1;
oid.ids = &id;
id = item;
ret = SnmpUtilOidAppend(dst, &oid);
}
return ret;
}
//
// MIB_odom_lmget
// Retrieve print queue table information from Lan Manager.
// If not cached, sort it and then
// cache it.
//
// Notes:
//
// Return Codes:
// SNMPAPI_NOERROR
// SNMPAPI_ERROR
//
// Error Codes:
// None.
//
SNMPAPI MIB_odoms_lmget(
)
{
DWORD totalentries;
LPBYTE bufptr;
unsigned lmCode;
WKSTA_USER_INFO_1 *DataTable;
DOM_OTHER_ENTRY *MIB_DomOtherDomainTableElement ;
char *p;
char *next;
time_t curr_time ;
unsigned i;
SNMPAPI nResult = SNMPAPI_NOERROR;
time(&curr_time); // get the time
//
//
// If cached, return piece of info.
//
//
if((NULL != cache_table[C_ODOM_TABLE].bufptr) &&
(curr_time <
(cache_table[C_ODOM_TABLE].acquisition_time
+ cache_expire[C_ODOM_TABLE] ) ) )
{ // it has NOT expired!
goto Exit; // the global table is valid
}
//
//
// Do network call to gather information and put it in a nice array
//
//
//
// remember to free the existing data
//
MIB_DomOtherDomainTableElement = MIB_DomOtherDomainTable.Table ;
// iterate over the whole table
for(i=0; i<MIB_DomOtherDomainTable.Len ;i++)
{
// free any alloc'ed elements of the structure
SnmpUtilOidFree(&(MIB_DomOtherDomainTableElement->Oid));
SafeFree(MIB_DomOtherDomainTableElement->domOtherName.stream);
MIB_DomOtherDomainTableElement ++ ; // increment table entry
}
SafeFree(MIB_DomOtherDomainTable.Table) ; // free the base Table
MIB_DomOtherDomainTable.Table = NULL ; // just for safety
MIB_DomOtherDomainTable.Len = 0 ; // just for safety
lmCode =
NetWkstaUserGetInfo(
0, // required
1, // level 0,
&bufptr // data structure to return
);
DataTable = (WKSTA_USER_INFO_1 *) bufptr ;
if((NERR_Success == lmCode) || (ERROR_MORE_DATA == lmCode))
{ // valid so process it, otherwise error
if(NULL==DataTable->wkui1_oth_domains) {
totalentries = 0;
// alloc the table space
MIB_DomOtherDomainTable.Table = SnmpUtilMemAlloc(totalentries *
sizeof(DOM_OTHER_ENTRY) );
} else { // compute it
totalentries = chrcount((char *)DataTable->wkui1_oth_domains);
if(0 == MIB_DomOtherDomainTable.Len) { // 1st time, alloc the whole table
// alloc the table space
MIB_DomOtherDomainTable.Table = SnmpUtilMemAlloc(totalentries *
sizeof(DOM_OTHER_ENTRY) );
}
MIB_DomOtherDomainTableElement = MIB_DomOtherDomainTable.Table ;
// make a pointer to the beginning of the string field
#ifdef UNICODE
SnmpUtilUnicodeToAnsi(
&p,
DataTable->wkui1_oth_domains,
TRUE);
#else
p = DataTable->wkui1_oth_domains ;
#endif
// scan through the field, making an entry for each space
// separated domain
while( (NULL != p ) &
('\0' != *p) ) { // once for each entry in the buffer
// increment the entry number
MIB_DomOtherDomainTable.Len ++;
// find the end of this one
next = strchr(p,' ');
// if more to come, ready next pointer and mark end of this one
if(NULL != next) {
*next='\0' ; // replace space with EOS
next++ ; // point to beginning of next domain
}
MIB_DomOtherDomainTableElement->domOtherName.stream = SnmpUtilMemAlloc (
strlen( p ) ) ;
MIB_DomOtherDomainTableElement->domOtherName.length =
strlen( p ) ;
MIB_DomOtherDomainTableElement->domOtherName.dynamic = TRUE;
memcpy( MIB_DomOtherDomainTableElement->domOtherName.stream,
p,
strlen( p ) ) ;
MIB_DomOtherDomainTableElement ++ ; // and table entry
DataTable ++ ; // advance pointer to next sess entry in buffer
} // while still more to do
} // if there really were entries
} // if data is valid to process
else
{
// Signal error
nResult = SNMPAPI_ERROR;
goto Exit;
}
// free all of the lan man data
SafeBufferFree( bufptr ) ;
// iterate over the table populating the Oid field
build_odom_entry_oids();
// Sort the table information using MSC QuickSort routine
qsort( (void *)&MIB_DomOtherDomainTable.Table[0], (size_t)MIB_DomOtherDomainTable.Len,
(size_t)sizeof(DOM_OTHER_ENTRY), odom_entry_cmp );
//
//
// Cache table
//
//
if(0 != MIB_DomOtherDomainTable.Len) {
cache_table[C_ODOM_TABLE].acquisition_time = curr_time ;
cache_table[C_ODOM_TABLE].bufptr = bufptr ;
}
//
//
// Return piece of information requested
//
//
Exit:
return nResult;
} // MIB_odom_get
BOOL CSNMP::SnmpQueryTable( LPCTSTR apColumnOidList[], UINT nListLen, std::vector<std::pair<CString, std::vector<AsnAny>>> *pTable )
{
if (!apColumnOidList || !pTable)
{
m_strLastError = L"[SnmpQueryTable] : Verify the arguments failed. ";
return FALSE;
}
pTable->clear();
if (!nListLen)
return TRUE;
typedef std::map<CString, AsnAny> RELATIVE_OID_TO_VALUE_MAP;
std::vector<RELATIVE_OID_TO_VALUE_MAP> vColumnRelativeOidToValue(nListLen);
SnmpVarBindList CurrentVarBindList;
CurrentVarBindList.len = 0;
CurrentVarBindList.list = NULL;
AsnObjectIdentifier TargetObjectIdentifier;
TargetObjectIdentifier.idLength = 0;
TargetObjectIdentifier.ids = NULL;
BOOL bRes = FALSE;
do
{
UINT i = 0;
for (; i < nListLen; i++)
{
SnmpUtilVarBindListFree(&CurrentVarBindList);
CurrentVarBindList.len = 1;
CurrentVarBindList.list = (SnmpVarBind *)SnmpUtilMemAlloc(sizeof(SnmpVarBind));
CurrentVarBindList.list->name.idLength = 0;
CurrentVarBindList.list->name.ids = NULL;
CurrentVarBindList.list->value.asnType = ASN_NULL;
#ifdef _UNICODE
CStringA strOIDA = XLibS::StringCode::ConvertWideStrToAnsiStr(apColumnOidList[i]);
#else
CStringA strOIDA = apColumnOidList[i];
#endif
if(!::SnmpMgrStrToOid(strOIDA.GetBuffer(), &CurrentVarBindList.list->name) || !CurrentVarBindList.list->name.ids || !CurrentVarBindList.list->name.idLength)
{
#ifdef _UNICODE
CStringW strOIDW = apColumnOidList[i];
#else
CStringW strOIDW = XLibS::StringCode::ConvertAnsiStrToWideStr(apColumnOidList[i]);
#endif
m_strLastError.Format(L"[SnmpQueryTable] : Bad OID string \"%s\". ", (LPCWSTR)strOIDW);
strOIDA.ReleaseBuffer();
break;
}
strOIDA.ReleaseBuffer();
SnmpUtilOidFree(&TargetObjectIdentifier);
TargetObjectIdentifier.idLength = 0;
TargetObjectIdentifier.ids = NULL;
if (!SnmpUtilOidCpy(&TargetObjectIdentifier, &CurrentVarBindList.list->name) || !TargetObjectIdentifier.ids || !TargetObjectIdentifier.idLength)
{
m_strLastError.Format(L"[SnmpQueryTable] : Copy OID failed. ");
break;
}
BOOL bFailFlag = FALSE;
while(1)
{
AsnInteger nSNMPErrorCode = 0;
AsnInteger nSNMPErrorIndex = 0;
if(!::SnmpMgrRequest(m_SnmpSession, SNMP_PDU_GETNEXT, &CurrentVarBindList, &nSNMPErrorCode, &nSNMPErrorIndex))
{
DWORD dwLastWinError = ::GetLastError();
assert(nSNMPErrorIndex == 0);
const WCHAR * SNMP_ERROR_MESSAGE[] = { L"The agent reports that no errors occurred during transmission. ",
L"The agent could not place the results of the requested operation into a single SNMP message. ",
L"The requested operation identified an unknown variable. ",
L"The requested operation tried to change a variable but it specified either a syntax or value error. ",
L"The requested operation tried to change a variable that was not allowed to change according to the community profile of the variable. "
};
const WCHAR * WIN_ERROR_MESSAGE[] = {L"The request timed-out.",
L"Unexpected error file descriptors indicated by the Windows Sockets select function."
};
const WCHAR *pSNMPError = NULL;
if (nSNMPErrorIndex < ARRAYSIZE(SNMP_ERROR_MESSAGE))
pSNMPError = SNMP_ERROR_MESSAGE[nSNMPErrorIndex];
else
pSNMPError = L"Unknown error. ";
const WCHAR *pWinError = NULL;
if (dwLastWinError - 40 < ARRAYSIZE(WIN_ERROR_MESSAGE))
pWinError = WIN_ERROR_MESSAGE[dwLastWinError - 40];
else
pWinError = L"Unknown error. ";
m_strLastError.Format(L"SNMP requesting failed. SNMP ERROR : %s (%ld). WIN ERROR : %s (%lu). ",
pSNMPError, nSNMPErrorIndex, pWinError, dwLastWinError);
// LPCWSTR pSysError = NULL;
// m_strLastError.Format(L"SNMP requesting failed. SNMP ERROR : %s (%ld). ", pError, nErrorIndex);
// if (::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
// NULL, dwLastError, 0, (LPTSTR)&pSysError, 0, NULL) && pSysError)
// {
// m_strLastError.AppendFormat(L"Windows ERROR: %s (%lu). ", pSysError, dwLastError);
//
// ::LocalFree((HLOCAL)pSysError);
// pSysError = NULL;
// }
bFailFlag = TRUE;
break;
}
assert(SNMP_ERRORSTATUS_NOERROR == nSNMPErrorCode);
if (!CurrentVarBindList.list || (!CurrentVarBindList.list->name.ids && CurrentVarBindList.list->name.idLength))
{
#ifdef _UNICODE
CStringW strOIDW = apColumnOidList[i];
#else
CStringW strOIDW = XLibS::StringCode::ConvertAnsiStrToWideStr(apColumnOidList[i]);
#endif
m_strLastError.Format(L"[SnmpQueryTable] : GetNext returned a bad OID during the request for %s. ", (LPCWSTR)strOIDW);
bFailFlag = TRUE;
break;
}
if (CurrentVarBindList.list->name.idLength < TargetObjectIdentifier.idLength)
break;
if (SnmpUtilOidNCmp(&CurrentVarBindList.list->name, &TargetObjectIdentifier, TargetObjectIdentifier.idLength))
break;
CStringA strOIDTarget = ThreadSafeSnmpUtilOidToA(&TargetObjectIdentifier);
CStringA strOIDCurrent = ThreadSafeSnmpUtilOidToA(&CurrentVarBindList.list->name);
assert(strOIDCurrent.Find(strOIDTarget) == 0);
AsnAny value;
SnmpUtilAsnAnyCpy(&value, &CurrentVarBindList.list->value);
#ifdef _UNICODE
CString strRelativeOID =
XLibS::StringCode::ConvertAnsiStrToWideStr(strOIDCurrent.Mid(strOIDTarget.GetLength()));
#else
CString strRelativeOID = strOIDCurrent.Mid(strOIDTarget.GetLength());
#endif
vColumnRelativeOidToValue[i].insert(std::make_pair(strRelativeOID, value));
}
if (bFailFlag)
break;
}
if (i < nListLen)
break;
const RELATIVE_OID_TO_VALUE_MAP & FirstCol = vColumnRelativeOidToValue[0];
for (RELATIVE_OID_TO_VALUE_MAP::const_iterator itFirstCol = FirstCol.begin();
itFirstCol != FirstCol.end(); itFirstCol++)
{
std::vector<RELATIVE_OID_TO_VALUE_MAP::const_iterator> vItFind;
UINT i = 1;
for (; i < nListLen; i++)
{
const RELATIVE_OID_TO_VALUE_MAP & CurrentCol =
vColumnRelativeOidToValue[i];
RELATIVE_OID_TO_VALUE_MAP::const_iterator itFind =
CurrentCol.find(itFirstCol->first);
if (itFind == CurrentCol.end())
break;
vItFind.push_back(itFind);
}
if (i < nListLen)
continue;
pTable->push_back(make_pair(itFirstCol->first, std::vector<AsnAny>(1, itFirstCol->second)));
for (std::vector<RELATIVE_OID_TO_VALUE_MAP::const_iterator>::size_type i = 0;
i < vItFind.size(); i++)
{
pTable->back().second.push_back(vItFind[i]->second);
}
}
bRes = TRUE;
} while (FALSE);
SnmpUtilOidFree(&TargetObjectIdentifier);
SnmpUtilVarBindListFree(&CurrentVarBindList);
if (!bRes)
{
ClearQueryTableResult(*pTable);
pTable->clear();
}
return bRes;
}
BOOL WINAPI SnmpExtensionQuery(
IN BYTE requestType,
IN OUT RFC1157VarBindList *variableBindings,
OUT AsnInteger *errorStatus,
OUT AsnInteger *errorIndex)
{
static unsigned long requestCount = 0; // Supports the trap simulation.
UINT I;
// Iterate through the variable bindings list to resolve individual
// variable bindings.
for ( I=0;I < variableBindings->len;I++ )
{
*errorStatus = ResolveVarBind( &variableBindings->list[I],
requestType );
// Test and handle case where Get Next past end of MIB view supported
// by this Extension Agent occurs. Special processing is required to
// communicate this situation to the Extendible Agent so it can take
// appropriate action, possibly querying other Extension Agents.
if ( *errorStatus == SNMP_ERRORSTATUS_NOSUCHNAME &&
requestType == MIB_ACTION_GETNEXT )
{
*errorStatus = SNMP_ERRORSTATUS_NOERROR;
// Modify variable binding of such variables so the OID points
// just outside the MIB view supported by this Extension Agent.
// The Extendible Agent tests for this, and takes appropriate
// action.
SnmpUtilOidFree( &variableBindings->list[I].name );
SnmpUtilOidCpy( &variableBindings->list[I].name, &MIB_OidPrefix );
variableBindings->list[I].name.ids[MIB_PREFIX_LEN-1] ++;
}
// If an error was indicated, communicate error status and error
// index to the Extendible Agent. The Extendible Agent will ensure
// that the origional variable bindings are returned in the response
// packet.
if ( *errorStatus != SNMP_ERRORSTATUS_NOERROR )
{
*errorIndex = I+1;
goto Exit;
}
}
Exit:
// Supports the trap simulation.
if (++requestCount % 3 == 0 && hSimulateTrap != NULL)
SetEvent(hSimulateTrap);
// Indicate that Extension Agent processing was sucessfull.
return SNMPAPI_NOERROR;
} // end SnmpExtensionQuery()
//
// MIB_user_lmget
// Retrieve print queue table information from Lan Manager.
// If not cached, sort it and then
// cache it.
//
// Notes:
//
// Return Codes:
// SNMPAPI_NOERROR
// SNMPAPI_ERROR
//
// Error Codes:
// None.
//
SNMPAPI MIB_users_lmget(
)
{
DWORD entriesread;
DWORD totalentries;
LPBYTE bufptr;
unsigned lmCode;
unsigned i;
USER_INFO_0 *DataTable;
USER_ENTRY *MIB_UserTableElement ;
int First_of_this_block;
LPSTR ansi_string;
time_t curr_time ;
SNMPAPI nResult = SNMPAPI_NOERROR;
DWORD resumehandle=0;
time(&curr_time); // get the time
//
//
// If cached, return piece of info.
//
//
if((NULL != cache_table[C_USER_TABLE].bufptr) &&
(curr_time <
(cache_table[C_USER_TABLE].acquisition_time
+ cache_expire[C_USER_TABLE] ) ) )
{ // it has NOT expired!
goto Exit ; // the global table is valid
}
//
//
// Do network call to gather information and put it in a nice array
//
//
//
// remember to free the existing data
//
MIB_UserTableElement = MIB_UserTable.Table ;
// iterate over the whole table
for(i=0; i<MIB_UserTable.Len ;i++)
{
// free any alloc'ed elements of the structure
SnmpUtilOidFree(&(MIB_UserTableElement->Oid));
SafeFree(MIB_UserTableElement->svUserName.stream);
MIB_UserTableElement ++ ; // increment table entry
}
SafeFree(MIB_UserTable.Table) ; // free the base Table
MIB_UserTable.Table = NULL ; // just for safety
MIB_UserTable.Len = 0 ; // just for safety
#if 0 // done above
// init the length
MIB_UserTable.Len = 0;
#endif
First_of_this_block = 0;
do { // as long as there is more data to process
lmCode =
NetUserEnum( NULL, // local server
0, // level 0, no admin priv.
FILTER_NORMAL_ACCOUNT,
&bufptr, // data structure to return
MAX_PREFERRED_LENGTH,
&entriesread,
&totalentries,
&resumehandle // resume handle
);
DataTable = (USER_INFO_0 *) bufptr ;
if((NERR_Success == lmCode) || (ERROR_MORE_DATA == lmCode))
{ // valid so process it, otherwise error
if(0 == MIB_UserTable.Len) { // 1st time, alloc the whole table
// alloc the table space
MIB_UserTable.Table = SnmpUtilMemAlloc(totalentries *
sizeof(USER_ENTRY) );
}
MIB_UserTableElement = MIB_UserTable.Table + First_of_this_block ;
for(i=0; i<entriesread; i++) { // once for each entry in the buffer
// increment the entry number
MIB_UserTable.Len ++;
// Stuff the data into each item in the table
// convert the undocumented unicode to something readable
SnmpUtilUnicodeToAnsi(
&ansi_string,
DataTable->usri0_name,
TRUE ); // auto alloc the space for ansi
// client name
MIB_UserTableElement->svUserName.stream = ansi_string;
MIB_UserTableElement->svUserName.length =
strlen( ansi_string ) ;
MIB_UserTableElement->svUserName.dynamic = TRUE;
ansi_string = NULL;
MIB_UserTableElement ++ ; // and table entry
DataTable ++ ; // advance pointer to next sess entry in buffer
} // for each entry in the data table
// free all of the lan man data
SafeBufferFree( bufptr ) ;
// indicate where to start adding on next pass, if any
First_of_this_block = i ;
} // if data is valid to process
else
{
// Signal error
nResult = SNMPAPI_ERROR;
goto Exit;
}
} while (ERROR_MORE_DATA == lmCode) ;
// iterate over the table populating the Oid field
build_user_entry_oids();
// Sort the table information using MSC QuickSort routine
qsort( &MIB_UserTable.Table[0], MIB_UserTable.Len,
sizeof(USER_ENTRY), user_entry_cmp );
//
//
// Cache table
//
//
if(0 != MIB_UserTable.Len) {
cache_table[C_USER_TABLE].acquisition_time = curr_time ;
cache_table[C_USER_TABLE].bufptr = bufptr ;
}
//
//
// Return piece of information requested
//
//
Exit:
return nResult;
} // MIB_user_get
/*****************************************************************************
* SnmpExtensionQuery [INETMIB1.@]
*/
BOOL WINAPI SnmpExtensionQuery(BYTE bPduType, SnmpVarBindList *pVarBindList,
AsnInteger32 *pErrorStatus, AsnInteger32 *pErrorIndex)
{
AsnObjectIdentifier mib2oid = DEFINE_OID(mib2);
AsnInteger32 error = SNMP_ERRORSTATUS_NOERROR, errorIndex = 0;
UINT i;
BOOL ret = TRUE;
TRACE("(0x%02x, %p, %p, %p)\n", bPduType, pVarBindList,
pErrorStatus, pErrorIndex);
for (i = 0; !error && i < pVarBindList->len; i++)
{
/* Ignore any OIDs not in MIB2 */
if (!SnmpUtilOidNCmp(&pVarBindList->list[i].name, &mib2oid,
mib2oid.idLength))
{
struct mibImplementation *impl = NULL;
UINT len, matchingIndex = 0;
TRACE("%s\n", SnmpUtilOidToA(&pVarBindList->list[i].name));
/* Search for an implementation matching as many octets as possible
*/
for (len = pVarBindList->list[i].name.idLength;
len >= minSupportedIDLength && !impl; len--)
impl = findSupportedQuery(pVarBindList->list[i].name.ids, len,
&matchingIndex);
if (impl && impl->query)
ret = impl->query(bPduType, &pVarBindList->list[i], &error);
else
error = SNMP_ERRORSTATUS_NOSUCHNAME;
if (error == SNMP_ERRORSTATUS_NOSUCHNAME &&
bPduType == SNMP_PDU_GETNEXT)
{
/* GetNext is special: it finds the successor to the given OID,
* so we have to continue until an implementation handles the
* query or we exhaust the table of supported OIDs.
*/
for (matchingIndex++; error == SNMP_ERRORSTATUS_NOSUCHNAME &&
matchingIndex < DEFINE_SIZEOF(supportedIDs);
matchingIndex++)
{
error = SNMP_ERRORSTATUS_NOERROR;
impl = &supportedIDs[matchingIndex];
if (impl->query)
ret = impl->query(bPduType, &pVarBindList->list[i],
&error);
else
error = SNMP_ERRORSTATUS_NOSUCHNAME;
}
/* If the query still isn't resolved, set the OID to the
* successor to the last entry in the table.
*/
if (error == SNMP_ERRORSTATUS_NOSUCHNAME)
{
SnmpUtilOidFree(&pVarBindList->list[i].name);
ret = SnmpUtilOidCpy(&pVarBindList->list[i].name,
&supportedIDs[matchingIndex - 1].name);
pVarBindList->list[i].name.ids[
pVarBindList->list[i].name.idLength - 1] += 1;
}
}
if (error)
errorIndex = i + 1;
}
}
*pErrorStatus = error;
*pErrorIndex = errorIndex;
return ret;
}
//
// MIB_sess_func
// High level routine for handling operations on the session table
//
// Notes:
//
// Return Codes:
// None.
//
// Error Codes:
// None.
//
UINT MIB_sess_func(
IN UINT Action,
IN MIB_ENTRY *MibPtr,
IN OUT RFC1157VarBind *VarBind
)
{
int Found;
UINT Entry;
UINT Field;
UINT ErrStat;
switch ( Action )
{
case MIB_ACTION_GETFIRST:
// Fill the Session table with the info from server
if ( SNMPAPI_ERROR == MIB_sess_lmget() )
{
ErrStat = SNMP_ERRORSTATUS_GENERR;
goto Exit;
}
// If no elements in table, then return next MIB var, if one
if ( MIB_SessionTable.Len == 0 )
{
if ( MibPtr->MibNext == NULL )
{
ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
goto Exit;
}
// Do get first on the next MIB var
ErrStat = (*MibPtr->MibNext->MibFunc)( Action, MibPtr->MibNext,
VarBind );
break;
}
//
// Place correct OID in VarBind
// Assuming the first field in the first record is the "start"
{
UINT temp_subs[] = { SESS_FIRST_FIELD };
AsnObjectIdentifier FieldOid = { 1, temp_subs };
SnmpUtilOidFree( &VarBind->name );
SnmpUtilOidCpy( &VarBind->name, &MIB_OidPrefix );
SnmpUtilOidAppend( &VarBind->name, &MIB_SessPrefix );
SnmpUtilOidAppend( &VarBind->name, &FieldOid );
SnmpUtilOidAppend( &VarBind->name, &MIB_SessionTable.Table[0].Oid );
}
//
// Let fall through on purpose
//
case MIB_ACTION_GET:
ErrStat = MIB_sess_get( VarBind );
break;
case MIB_ACTION_GETNEXT:
// Fill the Session table with the info from server
if ( SNMPAPI_ERROR == MIB_sess_lmget() )
{
ErrStat = SNMP_ERRORSTATUS_GENERR;
goto Exit;
}
// Lookup OID in table
Found = MIB_sess_match( &VarBind->name, &Entry, TRUE );
// Determine which field
Field = VarBind->name.ids[SESS_FIELD_SUBID];
// Index not found, but could be more fields to base GET on
if ( Found == MIB_TBL_POS_END )
{
// Index not found in table, get next from field
// Field ++;
// Make sure not past last field
// if ( Field > SESS_LAST_FIELD )
// {
// Get next VAR in MIB
ErrStat = (*MibPtr->MibNext->MibFunc)( MIB_ACTION_GETFIRST,
MibPtr->MibNext,
VarBind );
break;
// }
}
// Get next TABLE entry
if ( Found == MIB_TBL_POS_FOUND )
{
Entry ++;
if ( Entry > MIB_SessionTable.Len-1 )
{
Entry = 0;
Field ++;
/* item not implemented. Skip */
if (Field == SESS_NUMCONS_FIELD) {
Field++;
}
if ( Field > SESS_LAST_FIELD )
{
// Get next VAR in MIB
ErrStat = (*MibPtr->MibNext->MibFunc)( MIB_ACTION_GETFIRST,
MibPtr->MibNext,
VarBind );
break;
}
}
}
//
// Place correct OID in VarBind
// Assuming the first field in the first record is the "start"
{
UINT temp_subs[1];
AsnObjectIdentifier FieldOid;
temp_subs[0] = Field;
FieldOid.idLength = 1;
FieldOid.ids = temp_subs;
SnmpUtilOidFree( &VarBind->name );
SnmpUtilOidCpy( &VarBind->name, &MIB_OidPrefix );
SnmpUtilOidAppend( &VarBind->name, &MIB_SessPrefix );
SnmpUtilOidAppend( &VarBind->name, &FieldOid );
SnmpUtilOidAppend( &VarBind->name, &MIB_SessionTable.Table[Entry].Oid );
}
ErrStat = MIB_sess_copyfromtable( Entry, Field, VarBind );
break;
case MIB_ACTION_SET:
// Make sure OID is long enough
if ( SESS_FIELD_SUBID + 1 > VarBind->name.idLength )
{
ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
goto Exit;
}
// Get field number
Field = VarBind->name.ids[SESS_FIELD_SUBID];
// If the field being set is not the STATE field, error
if ( Field != SESS_STATE_FIELD )
{
ErrStat = SNMP_ERRORSTATUS_NOSUCHNAME;
goto Exit;
}
// Check for proper type before setting
if ( ASN_INTEGER != VarBind->value.asnType )
{
ErrStat = SNMP_ERRORSTATUS_BADVALUE;
goto Exit;
}
// Make sure that the value is valid
if ( VarBind->value.asnValue.number < SESS_STATE_ACTIVE &&
VarBind->value.asnValue.number > SESS_STATE_DELETED )
{
ErrStat = SNMP_ERRORSTATUS_BADVALUE;
goto Exit;
}
ErrStat = MIB_sess_lmset( &VarBind->name, Field, &VarBind->value );
break;
default:
ErrStat = SNMP_ERRORSTATUS_GENERR;
}
Exit:
return ErrStat;
} // MIB_sess_func
// Main program.
INT _CRTAPI1 main(
IN int argumentCount,
IN char *argumentVector[])
{
INT operation;
LPSTR agent = NULL;
LPSTR community = NULL;
RFC1157VarBindList variableBindings;
LPSNMP_MGR_SESSION session = NULL;
INT timeout = TIMEOUT;
INT retries = RETRIES;
BYTE requestType;
AsnInteger errorStatus;
AsnInteger errorIndex;
// Parse command line arguments to determine requested operation.
// Verify number of arguments...
if (argumentCount < 5 && argumentCount != 2)
{
printf("Error: Incorrect number of arguments specified.\n");
printf(
"\nusage: snmputil [get|getnext|walk] agent community oid [oid ...]\n");
printf(
" snmputil trap\n");
return 1;
}
// Get/verify operation...
argumentVector++;
argumentCount--;
if (!strcmp(*argumentVector, "get"))
operation = GET;
else if (!strcmp(*argumentVector, "getnext"))
operation = GETNEXT;
else if (!strcmp(*argumentVector, "walk"))
operation = WALK;
else if (!strcmp(*argumentVector, "trap"))
operation = TRAP;
else
{
printf("Error: Invalid operation, '%s', specified.\n",
*argumentVector);
return 1;
}
if (operation != TRAP)
{
if (argumentCount < 4)
{
printf("Error: Incorrect number of arguments specified.\n");
printf(
"\nusage: snmputil [get|getnext|walk] agent community oid [oid ...]\n");
printf(
" snmputil trap\n");
return 1;
}
// Get agent address...
argumentVector++;
argumentCount--;
agent = (LPSTR)SnmpUtilMemAlloc((UINT)(strlen(*argumentVector) + 1));
if (agent != NULL)
StringCchCopyA(agent, strlen(*argumentVector) + 1, *argumentVector);
else
{
printf("Error: SnmpUtilMemAlloc failed to allocate memory.\n");
return 1;
}
// Get agent community...
argumentVector++;
argumentCount--;
community = (LPSTR)SnmpUtilMemAlloc((UINT)(strlen(*argumentVector) + 1));
if (community != NULL)
StringCchCopyA(community, strlen(*argumentVector) + 1, *argumentVector);
else
{
printf("Error: SnmpUtilMemAlloc failed to allocate memory.\n");
SnmpUtilMemFree(agent);
return 1;
}
// Get oid's...
variableBindings.list = NULL;
variableBindings.len = 0;
while(--argumentCount)
{
AsnObjectIdentifier reqObject;
RFC1157VarBind * tmpVb;
argumentVector++;
// Convert the string representation to an internal representation.
if (!SnmpMgrStrToOid(*argumentVector, &reqObject))
{
printf("Error: Invalid oid, %s, specified.\n", *argumentVector);
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
else
{
// Since sucessfull, add to the variable bindings list.
variableBindings.len++;
if ((tmpVb = (RFC1157VarBind *)SnmpUtilMemReAlloc(
variableBindings.list, sizeof(RFC1157VarBind) *
variableBindings.len)) == NULL)
{
printf("Error: Error allocating oid, %s.\n",
*argumentVector);
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilOidFree(&reqObject);
variableBindings.len--;
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
variableBindings.list = tmpVb;
variableBindings.list[variableBindings.len - 1].name =
reqObject; // NOTE! structure copy
variableBindings.list[variableBindings.len - 1].value.asnType =
ASN_NULL;
}
} // end while()
// Make sure only one variable binding was specified if operation
// is WALK.
if (operation == WALK && variableBindings.len != 1)
{
printf("Error: Multiple oids specified for WALK.\n");
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
// Establish a SNMP session to communicate with the remote agent. The
// community, communications timeout, and communications retry count
// for the session are also required.
if ((session = SnmpMgrOpen(agent, community, timeout, retries)) == NULL)
{
printf("error on SnmpMgrOpen %d\n", GetLastError());
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
} // end if(TRAP)
// Determine and perform the requested operation.
if (operation == GET || operation == GETNEXT)
{
// Get and GetNext are relatively simple operations to perform.
// Simply initiate the request and process the result and/or
// possible error conditions.
if (operation == GET)
requestType = ASN_RFC1157_GETREQUEST;
else
requestType = ASN_RFC1157_GETNEXTREQUEST;
// Request that the API carry out the desired operation.
if (!SnmpMgrRequest(session, requestType, &variableBindings,
&errorStatus, &errorIndex))
{
// The API is indicating an error.
printf("error on SnmpMgrRequest %d\n", GetLastError());
}
else
{
// The API succeeded, errors may be indicated from the remote
// agent.
if (errorStatus > 0)
{
printf("Error: errorStatus=%d, errorIndex=%d\n",
errorStatus, errorIndex);
}
else
{
// Display the resulting variable bindings.
UINT i;
for(i=0; i < variableBindings.len; i++)
{
char *string = NULL;
if (SnmpMgrOidToStr(&variableBindings.list[i].name, &string))
{
printf("Variable = %s\n", string);
if (string) SnmpUtilMemFree(string);
}
printf("Value = ");
SnmpUtilPrintAsnAny(&variableBindings.list[i].value);
printf("\n");
} // end for()
}
}
// Free the variable bindings that have been allocated.
SnmpUtilVarBindListFree(&variableBindings);
// Free other allocated resources
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
}
else if (operation == WALK)
{
// Walk is a common term used to indicate that all MIB variables
// under a given OID are to be traversed and displayed. This is
// a more complex operation requiring tests and looping in addition
// to the steps for get/getnext above.
AsnObjectIdentifier root;
AsnObjectIdentifier tempOid;
if (!SnmpUtilOidCpy(&root, &variableBindings.list[0].name))
{
printf("error on SnmpUtilOidCpy\n");
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
requestType = ASN_RFC1157_GETNEXTREQUEST;
while(1)
{
if (!SnmpMgrRequest(session, requestType, &variableBindings,
&errorStatus, &errorIndex))
{
// The API is indicating an error.
printf("error on SnmpMgrRequest %d\n", GetLastError());
break;
}
else
{
// The API succeeded, errors may be indicated from the remote
// agent.
// Test for end of subtree or end of MIB.
if (errorStatus == SNMP_ERRORSTATUS_NOSUCHNAME ||
SnmpUtilOidNCmp(&variableBindings.list[0].name,
&root, root.idLength))
{
printf("End of MIB subtree.\n\n");
break;
}
// Test for general error conditions or sucesss.
if (errorStatus > 0)
{
printf("Error: errorStatus=%d, errorIndex=%d \n",
errorStatus, errorIndex);
break;
}
else
{
// Display resulting variable binding for this iteration.
char *string = NULL;
if (SnmpMgrOidToStr(&variableBindings.list[0].name, &string))
{
printf("Variable = %s\n", string);
if (string) SnmpUtilMemFree(string);
}
printf("Value = ");
SnmpUtilPrintAsnAny(&variableBindings.list[0].value);
printf("\n");
}
} // end if()
// Prepare for the next iteration. Make sure returned oid is
// preserved and the returned value is freed.
if (!SnmpUtilOidCpy(&tempOid, &variableBindings.list[0].name))
{
printf("error on SnmpUtilOidCpy\n");
SnmpUtilOidFree(&root);
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
SnmpUtilVarBindFree(&variableBindings.list[0]);
if (!SnmpUtilOidCpy(&variableBindings.list[0].name, &tempOid))
{
printf("error on SnmpUtilOidCpy\n");
SnmpUtilOidFree(&tempOid);
SnmpUtilOidFree(&root);
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
SnmpUtilVarBindListFree(&variableBindings);
return 1;
}
variableBindings.list[0].value.asnType = ASN_NULL;
SnmpUtilOidFree(&tempOid);
} // end while()
// Free the variable bindings that have been allocated.
SnmpUtilVarBindListFree(&variableBindings);
// Free other allocated resources
SnmpUtilOidFree(&root);
SnmpUtilMemFree(agent);
SnmpUtilMemFree(community);
}
else if (operation == TRAP)
{
// Trap handling can be done two different ways: event driven or
// polled. The following code illustrates the steps to use event
// driven trap reception in a management application.
HANDLE hNewTraps = NULL;
if (!SnmpMgrTrapListen(&hNewTraps))
{
printf("error on SnmpMgrTrapListen %d\n", GetLastError());
return 1;
}
else
{
printf("snmputil: listening for traps...\n");
}
while(1)
{
DWORD dwResult;
if ((dwResult = WaitForSingleObject(hNewTraps, INFINITE))
== WAIT_FAILED)
{
printf("error on WaitForSingleObject %d\n",
GetLastError());
}
else if (dwResult != WAIT_OBJECT_0)
{
printf("hNewTraps is not signaled\n");
}
else if (!ResetEvent(hNewTraps))
{
printf("error on ResetEvent %d\n", GetLastError());
}
else
{
AsnObjectIdentifier enterprise;
AsnNetworkAddress agentAddress;
AsnNetworkAddress sourceAddress;
AsnInteger genericTrap;
AsnInteger specificTrap;
AsnOctetString communityTrap;
AsnTimeticks timeStamp;
RFC1157VarBindList variableBindingsTrap;
UINT i;
while(SnmpMgrGetTrapEx(
&enterprise,
&agentAddress,
&sourceAddress,
&genericTrap,
&specificTrap,
&communityTrap,
&timeStamp,
&variableBindingsTrap))
{
LPSTR string = NULL;
printf("Incoming Trap:\n"
" generic = %d\n"
" specific = %d\n"
" timeStamp = %u\n",
genericTrap,
specificTrap,
timeStamp);
if (SnmpMgrOidToStr(&enterprise, &string))
{
printf (" enterprise = %s\n", string);
if (string)
SnmpUtilMemFree(string);
}
SnmpUtilOidFree(&enterprise);
if (agentAddress.length == 4)
{
printf (" agent = %d.%d.%d.%d\n",
(int)agentAddress.stream[0],
(int)agentAddress.stream[1],
(int)agentAddress.stream[2],
(int)agentAddress.stream[3]);
}
if (agentAddress.dynamic)
{
SnmpUtilMemFree(agentAddress.stream);
}
if (sourceAddress.length == 4)
{
printf (" source IP = %d.%d.%d.%d\n",
(int)sourceAddress.stream[0],
(int)sourceAddress.stream[1],
(int)sourceAddress.stream[2],
(int)sourceAddress.stream[3]);
}
else if (sourceAddress.length == 10)
{
printf (" source IPX = %.2x%.2x%.2x%.2x."
"%.2x%.2x%.2x%.2x%.2x%.2x\n",
(int)sourceAddress.stream[0],
(int)sourceAddress.stream[1],
(int)sourceAddress.stream[2],
(int)sourceAddress.stream[3],
(int)sourceAddress.stream[4],
(int)sourceAddress.stream[5],
(int)sourceAddress.stream[6],
(int)sourceAddress.stream[7],
(int)sourceAddress.stream[8],
(int)sourceAddress.stream[9]);
}
if (sourceAddress.dynamic)
{
SnmpUtilMemFree(sourceAddress.stream);
}
if (communityTrap.length)
{
string = (LPSTR)SnmpUtilMemAlloc (communityTrap.length + 1);
if (string)
{
memcpy (string, communityTrap.stream, communityTrap.length);
string[communityTrap.length] = '\0';
printf (" community = %s\n", string);
SnmpUtilMemFree(string);
}
}
if (communityTrap.dynamic)
{
SnmpUtilMemFree(communityTrap.stream);
}
for(i=0; i < variableBindingsTrap.len; i++)
{
string = NULL;
if (SnmpMgrOidToStr(&variableBindingsTrap.list[i].name, &string))
{
printf(" variable = %s\n", string);
if (string) SnmpUtilMemFree(string);
}
printf(" value = ");
SnmpUtilPrintAsnAny(&variableBindingsTrap.list[i].value);
} // end for()
printf("\n");
SnmpUtilVarBindListFree(&variableBindingsTrap);
}
dwResult = GetLastError(); // check for errors...
if ((dwResult != NOERROR) && (dwResult != SNMP_MGMTAPI_NOTRAPS))
{
printf("error on SnmpMgrGetTrap %d\n", dwResult);
}
}
} // end while()
} // end if(operation)
if (operation != TRAP)
{
// Close SNMP session with the remote agent.
if (!SnmpMgrClose(session))
{
printf("error on SnmpMgrClose %d\n", GetLastError());
return 1;
}
}
// Let the command interpreter know things went ok.
return 0;
} // end main()
void _php3_snmp(INTERNAL_FUNCTION_PARAMETERS, int st) {
pval *a1, *a2, *a3;
INT operation;
LPSTR agent;
LPSTR community;
RFC1157VarBindList variableBindings;
LPSNMP_MGR_SESSION session;
INT timeout = TIMEOUT;
INT retries = RETRIES;
BYTE requestType;
AsnInteger errorStatus;
AsnInteger errorIndex;
AsnObjectIdentifier oid;
char *chkPtr = NULL;
if (getParameters(ht, 3, &a1, &a2, &a3) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string(a1);
convert_to_string(a2);
convert_to_string(a3);
agent=a1->value.str.val;
community=a2->value.str.val;
operation=st;
SnmpMgrStrToOid(a3->value.str.val, &oid);
/*
I've limited this to only one oid, but we can create a
list of oid's here, and expand the function to take multiple
oid's
*/
variableBindings.list->name = oid;
variableBindings.list->value.asnType = ASN_NULL;
variableBindings.len = 1;
/* Establish a SNMP session to communicate with the remote agent. The
community, communications timeout, and communications retry count
for the session are also required.
*/
if ((session = SnmpMgrOpen(agent, community, timeout, retries)) == NULL){
php_error(E_WARNING,"error on SnmpMgrOpen %d\n", GetLastError());
}
/* Determine and perform the requested operation.*/
if (operation == GET || operation == GETNEXT){
/* Get and GetNext are relatively simple operations to perform.
Simply initiate the request and process the result and/or
possible error conditions. */
if (operation == GET){
requestType = ASN_RFC1157_GETREQUEST;
} else {
requestType = ASN_RFC1157_GETNEXTREQUEST;
}
/* Request that the API carry out the desired operation.*/
if (!SnmpMgrRequest(session, requestType, &variableBindings,
&errorStatus, &errorIndex)){
/* The API is indicating an error. */
php_error(E_WARNING,"error on SnmpMgrRequest %d\n", GetLastError());
} else {
/* The API succeeded, errors may be indicated from the remote
agent. */
if (errorStatus > 0){
php_error(E_WARNING,"Error: errorStatus=%d, errorIndex=%d\n",
errorStatus, errorIndex);
} else {
/* Display the resulting variable bindings.*/
UINT i;
char *str = NULL;
for(i=0; i < variableBindings.len; i++)
{
SnmpMgrOidToStr(&variableBindings.list[i].name, &str);
php_printf("Variable = %s\n", str);
if (str) SNMP_free(str);
php_printf("Value = ");
SnmpUtilPrintAsnAny(&variableBindings.list[i].value);
php_printf("\n");
} /* end for() */
}
}
/* Free the variable bindings that have been allocated.*/
SnmpUtilVarBindListFree(&variableBindings);
}
else if (operation == WALK)
{
/* Walk is a common term used to indicate that all MIB variables
under a given OID are to be traversed and displayed. This is
a more complex operation requiring tests and looping in addition
to the steps for get/getnext above. */
AsnObjectIdentifier root;
AsnObjectIdentifier tempOid;
SnmpUtilOidCpy(&root, &variableBindings.list[0].name);
requestType = ASN_RFC1157_GETNEXTREQUEST;
while(1)
{
if (!SnmpMgrRequest(session, requestType, &variableBindings,
&errorStatus, &errorIndex)){
/* The API is indicating an error.*/
php_error(E_WARNING,"error on SnmpMgrRequest %d\n", GetLastError());
break;
}
else
{
/* The API succeeded, errors may be indicated from the remote
agent.
Test for end of subtree or end of MIB. */
if (errorStatus == SNMP_ERRORSTATUS_NOSUCHNAME ||
SnmpUtilOidNCmp(&variableBindings.list[0].name,
&root, root.idLength))
{
PUTS("End of MIB subtree.\n\n");
break;
}
/* Test for general error conditions or sucesss. */
if (errorStatus > 0){
php_error(E_ERROR,"Error: errorStatus=%d, errorIndex=%d \n",
errorStatus, errorIndex);
break;
}
else
{
/* Display resulting variable binding for this iteration. */
char *str = NULL;
SnmpMgrOidToStr(&variableBindings.list[0].name, &str);
php_printf("Variable = %s\n", str);
if (str) SNMP_free(str);
php_printf("Value = ");
SnmpUtilPrintAsnAny(&variableBindings.list[0].value);
php_printf("\n");
}
} /* end if () */
/* Prepare for the next iteration. Make sure returned oid is
preserved and the returned value is freed.
*/
SnmpUtilOidCpy(&tempOid, &variableBindings.list[0].name);
SnmpUtilVarBindFree(&variableBindings.list[0]);
SnmpUtilOidCpy(&variableBindings.list[0].name, &tempOid);
variableBindings.list[0].value.asnType = ASN_NULL;
SnmpUtilOidFree(&tempOid);
} /* end while() */
/* Free the variable bindings that have been allocated.*/
SnmpUtilVarBindListFree(&variableBindings);
SnmpUtilOidFree(&root);
} /* end if (operation) */
/* Close SNMP session with the remote agent.*/
if (!SnmpMgrClose(session)){
php_error(E_WARNING,"error on SnmpMgrClose %d\n", GetLastError());
}
}