void delql(SnmpMgmtQueryList *ql)
{
UINT q; // index into query list
// process queries
for (q=0; q < ql->len; q++)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: PDU: deleting query 0x%08lx.\n", ql->query[q].addr));
// free translation info
SnmpUtilMemFree(ql->query[q].xlat);
// free query varbind list (and variables)
SnmpUtilVarBindListFree(&ql->query[q].vbl);
}
// free query list
SnmpUtilMemFree(ql->query);
} // end delql()
int _cdecl main(
IN int argumentCount,
IN char *argumentVector[])
{
HANDLE hExtension;
FARPROC initAddr;
FARPROC queryAddr;
FARPROC trapAddr;
DWORD timeZeroReference;
HANDLE hPollForTrapEvent;
View supportedView;
INT numQueries = 10;
// avoid compiler warning...
UNREFERENCED_PARAMETER(argumentCount);
UNREFERENCED_PARAMETER(argumentVector);
timeZeroReference = GetCurrentTime();
// load the extension agent dll and resolve the entry points...
if (GetModuleHandle("testdll.dll") == NULL)
{
if ((hExtension = LoadLibrary("testdll.dll")) == NULL)
{
dbgprintf(1, "error on LoadLibrary %d\n", GetLastError());
}
else if ((initAddr = GetProcAddress(hExtension,
"SnmpExtensionInit")) == NULL)
{
dbgprintf(1, "error on GetProcAddress %d\n", GetLastError());
}
else if ((queryAddr = GetProcAddress(hExtension,
"SnmpExtensionQuery")) == NULL)
{
dbgprintf(1, "error on GetProcAddress %d\n",
GetLastError());
}
else if ((trapAddr = GetProcAddress(hExtension,
"SnmpExtensionTrap")) == NULL)
{
dbgprintf(1, "error on GetProcAddress %d\n",
GetLastError());
}
else
{
// initialize the extension agent via its init entry point...
(*initAddr)(
timeZeroReference,
&hPollForTrapEvent,
&supportedView);
}
} // end if (Already loaded)
// create a trap thread to respond to traps from the extension agent...
//rather than oomplicate this test routine, will poll for these events
//below. normally this would be done by another thread in the extendible
//agent.
// loop here doing repetitive extension agent get queries...
// poll for potential traps each iteration (see note above)...
//block...
printf( "SET on toasterManufacturer - shouldn't work\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 1, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_OCTETSTRING;
varBinds.list[0].value.asnValue.string.length = 0;
varBinds.list[0].value.asnValue.string.stream = NULL;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterControl with invalid value\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 3, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_INTEGER;
varBinds.list[0].value.asnValue.number = 500;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterControl with invalid type\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 3, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_NULL;
varBinds.list[0].value.asnValue.number = 500;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterControl\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 3, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_INTEGER;
varBinds.list[0].value.asnValue.number = 2;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterDoneness with invalid value\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 4, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_INTEGER;
varBinds.list[0].value.asnValue.number = 1000;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterDoneness with invalid type\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 4, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_NULL;
varBinds.list[0].value.asnValue.number = 1000;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterDoneness\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 4, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_INTEGER;
varBinds.list[0].value.asnValue.number = 10;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterToastType with invalid value\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 5, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_INTEGER;
varBinds.list[0].value.asnValue.number = 10;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterToastType with invalid type\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 5, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_NULL;
varBinds.list[0].value.asnValue.number = 10;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
printf( "SET on toasterToastType\n" );
{
UINT itemn[] = { 1, 3, 6, 1, 4, 1, 12, 2, 5, 0 };
RFC1157VarBindList varBinds;
AsnInteger errorStatus = 0;
AsnInteger errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
varBinds.list[0].name.idLength = sizeof itemn / sizeof(UINT);
varBinds.list[0].name.ids = (UINT *)SnmpUtilMemAlloc( sizeof(UINT)*
varBinds.list[0].name.idLength );
memcpy( varBinds.list[0].name.ids, &itemn,
sizeof(UINT)*varBinds.list[0].name.idLength );
varBinds.list[0].value.asnType = ASN_INTEGER;
varBinds.list[0].value.asnValue.number = 7;
printf( "SET: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " to " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
(*queryAddr)( ASN_RFC1157_SETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\nSET Errorstatus: %lu\n\n", errorStatus );
(*queryAddr)( ASN_RFC1157_GETREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
if ( errorStatus == SNMP_ERRORSTATUS_NOERROR )
{
printf( "New Value: " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
putchar( '\n' );
}
printf( "\nGET Errorstatus: %lu\n\n", errorStatus );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
printf( "\n\n" );
}
{
RFC1157VarBindList varBinds;
AsnInteger errorStatus;
AsnInteger errorIndex;
UINT OID_Prefix[] = { 1, 3, 6, 1, 4, 1, 12 };
AsnObjectIdentifier MIB_OidPrefix = { OID_SIZEOF(OID_Prefix), OID_Prefix };
errorStatus = 0;
errorIndex = 0;
varBinds.list = (RFC1157VarBind *)SnmpUtilMemAlloc( sizeof(RFC1157VarBind) );
varBinds.len = 1;
SnmpUtilOidCpy( &varBinds.list[0].name, &MIB_OidPrefix );
varBinds.list[0].value.asnType = ASN_NULL;
do
{
printf( "GET-NEXT of: " );
SnmpUtilPrintOid( &varBinds.list[0].name );
printf( " " );
(*queryAddr)( (AsnInteger)ASN_RFC1157_GETNEXTREQUEST,
&varBinds,
&errorStatus,
&errorIndex
);
printf( "\n is " );
SnmpUtilPrintOid( &varBinds.list[0].name );
if ( errorStatus )
{
printf( "\nErrorstatus: %lu\n\n", errorStatus );
}
else
{
printf( "\n = " );
SnmpUtilPrintAsnAny( &varBinds.list[0].value );
}
putchar( '\n' );
// query potential traps (see notes above)
if ( NULL != hPollForTrapEvent )
{
DWORD dwResult;
if ( 0xffffffff ==
(dwResult = WaitForSingleObject(hPollForTrapEvent,
1000)) )
{
dbgprintf(1, "error on WaitForSingleObject %d\n",
GetLastError());
}
else
{
if ( dwResult == 0 /*signaled*/ )
{
AsnObjectIdentifier enterprise;
AsnInteger genericTrap;
AsnInteger specificTrap;
AsnTimeticks timeStamp;
RFC1157VarBindList variableBindings;
while( (*trapAddr)(&enterprise,
&genericTrap,
&specificTrap,
&timeStamp,
&variableBindings) )
{
printf("trap: gen=%d spec=%d time=%d\n",
genericTrap, specificTrap, timeStamp);
//also print data
} // end while ()
} // end if (trap ready)
}
} // end if (handling traps)
}
while ( varBinds.list[0].name.ids[MIB_PREFIX_LEN-1] == 12 );
// Free the memory
SnmpUtilVarBindListFree( &varBinds );
} // block
return 0;
} // end main()
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;
}
SNMPAPI
SNMP_FUNC_TYPE
SnmpSvcGenerateTrap(
IN AsnObjectIdentifier * enterprise,
IN AsnInteger genericTrap,
IN AsnInteger specificTrap,
IN AsnTimeticks timeStamp,
IN RFC1157VarBindList * variableBindings)
{
static BOOL fFirstTime = TRUE;
static HANDLE hGenerateTrapMutex;
static char myname[128];
static struct sockaddr mysocket;
static SnmpMgmtCom request;
static SOCKET fd_inet, fd_ipx, fd;
static unsigned long nul_s_addr = 0L;
struct sockaddr dest;
BYTE *pBuf;
UINT length;
INT i, j;
if (fFirstTime)
{
struct sockaddr localAddress;
BOOL fSuccess;
fFirstTime = FALSE;
fSuccess = FALSE;
// initialize trap destinations
if (!tdConfig(&trapDests, &trapDestsLen))
{
SnmpUtilVarBindListFree(variableBindings);
return FALSE;
}
// setup 2 trap generation sockets, one for inet, one for ipx
// block...
{
struct sockaddr_in localAddress_in;
localAddress_in.sin_family = AF_INET;
localAddress_in.sin_port = htons(0);
localAddress_in.sin_addr.s_addr = ntohl(INADDR_ANY);
bcopy(&localAddress_in, &localAddress, sizeof(localAddress_in));
} // end block.
if ((fd_inet = socket(AF_INET, SOCK_DGRAM, 0)) == (SOCKET)-1)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: error %d creating udp trap generation socket.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
}
else if (bind(fd_inet, &localAddress, sizeof(localAddress)) != 0)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d binding udp trap generation socket.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
}
else
{
fSuccess = TRUE;
}
{
struct sockaddr_ipx localAddress_ipx;
bzero(&localAddress_ipx,sizeof(localAddress_ipx));
localAddress_ipx.sa_family = AF_IPX;
bcopy(&localAddress_ipx, &localAddress, sizeof(localAddress_ipx));
}
if ((fd_ipx = socket(AF_IPX, SOCK_DGRAM, NSPROTO_IPX)) == (SOCKET)-1)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: error %d creating ipx trap generation socket.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
}
else if (bind(fd_ipx, &localAddress, sizeof(localAddress)) != 0)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d binding ipx trap generation socket.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
}
else
{
fSuccess = TRUE;
}
if (!fSuccess)
return FALSE;
// create mutex...
if ((hGenerateTrapMutex = CreateMutex(NULL, FALSE, NULL)) == NULL)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d creating trap generaion mutex.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
return FALSE;
}
// other one-time initialization...
request.pdu.pduType = ASN_RFC1157_TRAP;
if (fd_inet != (SOCKET)-1)
{
if (gethostname(myname, sizeof(myname)) == -1)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error on gethostname %d.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
return FALSE;
}
if (!SnmpSvcAddrToSocket(myname, &mysocket) == -1)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error on SnmpSvcAddrToSocket %d.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
return FALSE;
}
}
} // end if (fFirstTime)
// take mutex
if (WaitForSingleObject(hGenerateTrapMutex, SGTTimeout)
== 0xffffffff)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d waiting for trap generation mutex.\n", GetLastError()));
SnmpUtilVarBindListFree(variableBindings);
return FALSE;
}
// build pdu
request.pdu.pduValue.trap.genericTrap = genericTrap;
request.pdu.pduValue.trap.specificTrap = specificTrap;
request.pdu.pduValue.trap.timeStamp = timeStamp;
request.pdu.pduValue.trap.varBinds.list = variableBindings->list;
request.pdu.pduValue.trap.varBinds.len = variableBindings->len;
// check if default enterprise oid has been overridden
if (enterprise && enterprise->idLength && enterprise->ids)
{
request.pdu.pduValue.trap.enterprise.idLength = enterprise->idLength;
request.pdu.pduValue.trap.enterprise.ids = enterprise->ids;
}
else
{
request.pdu.pduValue.trap.enterprise.idLength = g_enterprise->idLength;
request.pdu.pduValue.trap.enterprise.ids = g_enterprise->ids;
}
for (i=0; i<trapDestsLen; i++)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: processing trap destinations for community %s.\n",
trapDests[i].communityName));
for (j=0; j<trapDests[i].addrLen; j++)
{
request.community.stream = trapDests[i].communityName;
request.community.length = strlen(trapDests[i].communityName);
request.community.dynamic = FALSE;
switch (trapDests[i].addrList[j].addrEncoding.sa_family)
{
case AF_INET:
{
struct sockaddr_in destAddress_in;
struct servent *serv;
if (fd_inet == (SOCKET)-1) // don't have an IP socket
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: cannot send udp trap because no socket available.\n"));
continue;
}
destAddress_in.sin_family = AF_INET;
if ((serv = getservbyname( "snmp-trap", "udp" )) == NULL) {
destAddress_in.sin_port = htons(162);
} else {
destAddress_in.sin_port = (SHORT)serv->s_port;
}
destAddress_in.sin_addr.s_addr = ((struct sockaddr_in *)(&trapDests[i].addrList[j].addrEncoding))->sin_addr.s_addr;
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: processing ip trap destination %u.%u.%u.%u.\n",
destAddress_in.sin_addr.S_un.S_un_b.s_b1,
destAddress_in.sin_addr.S_un.S_un_b.s_b2,
destAddress_in.sin_addr.S_un.S_un_b.s_b3,
destAddress_in.sin_addr.S_un.S_un_b.s_b4));
bcopy(&destAddress_in, &dest, sizeof(destAddress_in));
}
// include local agent addr in pdu (ip only)
request.pdu.pduValue.trap.agentAddr.stream =
(BYTE *)&((struct sockaddr_in *)(&mysocket))->sin_addr.s_addr;
request.pdu.pduValue.trap.agentAddr.length = 4;
fd = fd_inet;
break;
case AF_IPX:
{
SOCKADDR_IPX *pdest = (SOCKADDR_IPX *) &dest;
if (fd_ipx == (SOCKET)-1) // don't have an IPX socket
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: cannot send ipx trap because no socket available.\n"));
continue;
}
// sa_family, sa_netnum, and sa_nodenum are already set
bcopy(&trapDests[i].addrList[j].addrEncoding, &dest,
sizeof(SOCKADDR_IPX));
pdest->sa_socket = htons(WKSN_IPX_TRAP);
dp_ipx(SNMP_LOG_TRACE, "SNMP: TRAP: processing ipx trap destination ", pdest, ".\n");
}
// include empty agent addr in pdu (ipx only)
request.pdu.pduValue.trap.agentAddr.stream = (BYTE *)&nul_s_addr;
request.pdu.pduValue.trap.agentAddr.length = 4;
fd = fd_ipx;
break;
default:
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: cannot send trap because sa_family invalid.\n"));
continue;
}
}
pBuf = NULL;
length = 0;
if (!SnmpSvcEncodeMessage(ASN_SEQUENCE, &request, &pBuf, &length))
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: error on SnmpSvcEncodeMessage %d.\n",
GetLastError()));
SnmpUtilMemFree(pBuf);
continue;
}
// transmit trap pdu
if ((length = sendto(fd, pBuf, length, 0, &dest, sizeof(dest)))
== -1)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d sending trap.\n", GetLastError()));
//a serious error?
}
else
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: trap sent successfully.\n"));
}
SnmpUtilMemFree(pBuf);
} // end for ()
} // end for ()
SnmpUtilVarBindListFree(variableBindings);
// release mutex
if (!ReleaseMutex(hGenerateTrapMutex))
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d releasing trap generation mutex.\n", GetLastError()));
return FALSE;
}
return TRUE;
} // end SnmpSvcGenerateTrap()
// 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());
}
}
