void addq(SnmpMgmtQuery *q, RFC1157VarBind *vb, UINT i, UINT v)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: PDU: adding variable %d to query 0x%08lx (%s).\n", i+1, q->addr, SnmpUtilOidToA(&vb->name)));
q->vbl.len++; // add varbind to end of list
q->vbl.list = (RFC1157VarBind *)SnmpUtilMemReAlloc(q->vbl.list, (q->vbl.len * sizeof(RFC1157VarBind)));
q->xlat = (RFC1157VarBindXlat *)SnmpUtilMemReAlloc(q->xlat, (q->vbl.len * sizeof(RFC1157VarBindXlat)));
q->xlat[q->vbl.len-1].view = v;
q->xlat[q->vbl.len-1].index = i;
SnmpUtilVarBindCpy(&q->vbl.list[q->vbl.len-1], vb);
} // end addq()
void addql(SnmpMgmtQueryList *ql, RFC1157VarBindList *vbl, UINT vb, UINT v)
{
UINT q; // index into query list
// make sure that the type is correct
if ((ql->type != ASN_RFC1157_SETREQUEST) &&
(vbl->list[vb].value.asnType != ASN_NULL)) {
SNMPDBG((
SNMP_LOG_TRACE,
"SNMP: PDU: forcing asnType to NULL (asnType=%d).\n",
(DWORD)(BYTE)vbl->list[vb].value.asnType
));
// force the asn type to be null
vbl->list[vb].value.asnType = ASN_NULL;
}
// process existing queries
for (q=0; q < ql->len; q++)
{
// compare existing extension agent addresses
if (ql->query[q].addr == extAgents[vl[v]].queryAddr)
{
// add to existing query
addq(&ql->query[q], &vbl->list[vb], vb, v);
return;
}
}
SNMPDBG((SNMP_LOG_TRACE, "SNMP: PDU: creating query for %s (0x%08lx).\n", extAgents[vl[v]].pathName, extAgents[vl[v]].queryAddr));
ql->len++; // add new query to end of list
ql->query = (SnmpMgmtQuery *)SnmpUtilMemReAlloc(ql->query, (ql->len * sizeof(SnmpMgmtQuery)));
ql->query[q].xlat = NULL;
ql->query[q].addr = extAgents[vl[v]].queryAddr;
ql->query[q].vbl.len = 0;
ql->query[q].vbl.list = NULL;
// add to newly created query
addq(&ql->query[q], &vbl->list[vb], vb, v);
} // end addql()
BOOL eaConfig(
OUT CfgExtensionAgents **extAgents,
OUT INT *extAgentsLen)
{
LONG status;
HKEY hkResult;
HKEY hkResult2;
DWORD iValue;
DWORD iValue2;
// DWORD dwTitle;
DWORD dwType;
TCHAR dummy[MAX_PATH+1];
DWORD dummySize;
TCHAR value[MAX_PATH+1];
DWORD valueSize;
LPSTR pTemp;
DWORD valueReqSize;
LPSTR pTempExp;
*extAgents = NULL;
*extAgentsLen = 0;
SNMPDBG((SNMP_LOG_TRACE, "SNMP: INIT: loading extension agents.\n"));
if ((status = RegOpenKeyEx(HKEY_LOCAL_MACHINE, pszSnmpSrvEaKey,
0, (KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS |
KEY_TRAVERSE), &hkResult)) != ERROR_SUCCESS)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: INIT: error %d opening ExtensionAgents subkey.\n", status));
SnmpSvcReportEvent(SNMP_EVENT_INVALID_REGISTRY_KEY, 1, &pszSnmpSrvEaKey, status);
return FALSE;
}
iValue = 0;
dummySize = MAX_PATH;
valueSize = MAX_PATH;
while((status = RegEnumValue(hkResult, iValue, dummy, &dummySize,
NULL, &dwType, (LPBYTE)value, &valueSize))
!= ERROR_NO_MORE_ITEMS)
{
if (status != ERROR_SUCCESS)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: INIT: error %d enumerating ExtensionAgents subkey.\n", status));
SnmpSvcReportEvent(SNMP_EVENT_INVALID_REGISTRY_KEY, 1, &pszSnmpSrvEaKey, status);
RegCloseKey(hkResult);
return FALSE;
}
SNMPDBG((SNMP_LOG_TRACE, "SNMP: INIT: processing %s.\n", value));
if ((status = RegOpenKeyEx(HKEY_LOCAL_MACHINE, value, 0,
(KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS
| KEY_TRAVERSE), &hkResult2)) != ERROR_SUCCESS)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: INIT: error %d opening registy key %s.\n", status, value));
pTemp = value; // make pointer for event api
SnmpSvcReportEvent(SNMP_EVENT_INVALID_EXTENSION_AGENT_KEY, 1, &pTemp, status);
goto process_next; // ignore bogus registry key and process next one...
}
iValue2 = 0;
dummySize = MAX_PATH;
valueSize = MAX_PATH;
while((status = RegEnumValue(hkResult2, iValue2, dummy, &dummySize,
NULL, &dwType, (LPBYTE)value, &valueSize))
!= ERROR_NO_MORE_ITEMS)
{
if (status != ERROR_SUCCESS)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: INIT: error %d enumerating registry key %s.\n", status, value));
pTemp = value; // make pointer for event api
SnmpSvcReportEvent(SNMP_EVENT_INVALID_EXTENSION_AGENT_KEY, 1, &pTemp, status);
break; // ignore bogus registry key and process next one...
}
if (!lstrcmpi(dummy, TEXT("Pathname")))
{
(*extAgentsLen)++;
*extAgents = (CfgExtensionAgents *) SnmpUtilMemReAlloc(*extAgents,
(*extAgentsLen * sizeof(CfgExtensionAgents)));
pTemp = (LPSTR)SnmpUtilMemAlloc(valueSize+1);
#ifdef UNICODE
SnmpUtilUnicodeToAnsi(&pTemp, value, FALSE);
#else
memcpy(pTemp, value, valueSize+1);
#endif
valueReqSize = valueSize + 10;
pTempExp = NULL;
do {
pTempExp = (LPSTR)SnmpUtilMemReAlloc(pTempExp, valueReqSize);
valueSize = valueReqSize;
valueReqSize = ExpandEnvironmentStringsA(
pTemp,
pTempExp,
valueSize);
} while (valueReqSize > valueSize );
if (valueReqSize == 0) {
SNMPDBG((SNMP_LOG_TRACE, "SNMP: INIT: error %d expanding %s.\n", GetLastError(), value));
(*extAgents)[(*extAgentsLen)-1].pathName = pTemp;
} else {
SNMPDBG((SNMP_LOG_TRACE, "SNMP: INIT: processing %s.\n", pTempExp));
(*extAgents)[(*extAgentsLen)-1].pathName = pTempExp;
SnmpUtilMemFree(pTemp);
}
break;
}
dummySize = MAX_PATH;
valueSize = MAX_PATH;
iValue2++;
} // end while()
RegCloseKey(hkResult2);
process_next:
dummySize = MAX_PATH;
valueSize = MAX_PATH;
iValue++;
} // end while()
RegCloseKey(hkResult);
return TRUE;
} // end eaConfig()
BOOL pmConfig(
OUT CfgPermittedManagers **permitMgrs,
OUT INT *permitMgrsLen)
{
LONG status;
HKEY hkResult;
DWORD iValue;
// DWORD dwTitle;
DWORD dwType;
TCHAR dummy[MAX_PATH+1];
DWORD dummySize;
TCHAR value[MAX_PATH+1];
DWORD valueSize;
LPSTR pTemp;
*permitMgrs = NULL;
*permitMgrsLen = 0;
SNMPDBG((SNMP_LOG_TRACE, "SNMP: INIT: loading permitted managers.\n"));
if ((status = RegOpenKeyEx(HKEY_LOCAL_MACHINE, pszSnmpSrvPmKey,
0, (KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS |
KEY_TRAVERSE), &hkResult)) != ERROR_SUCCESS)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: INIT: error %d opening PermittedManagers subkey.\n", status));
SnmpSvcReportEvent(SNMP_EVENT_INVALID_REGISTRY_KEY, 1, &pszSnmpSrvPmKey, status);
return FALSE;
}
iValue = 0;
dummySize = MAX_PATH;
valueSize = MAX_PATH;
while((status = RegEnumValue(hkResult, iValue, dummy, &dummySize,
NULL, &dwType, (LPBYTE)value, &valueSize))
!= ERROR_NO_MORE_ITEMS)
{
if (status != ERROR_SUCCESS)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: INIT: error %d enumerating PermittedManagers subkey.\n", status));
SnmpSvcReportEvent(SNMP_EVENT_INVALID_REGISTRY_KEY, 1, &pszSnmpSrvPmKey, status);
RegCloseKey(hkResult);
return FALSE;
}
SNMPDBG((SNMP_LOG_TRACE, "SNMP: INIT: processing permitted manager %s\n", value));
(*permitMgrsLen)++;
*permitMgrs = (CfgPermittedManagers *)SnmpUtilMemReAlloc(*permitMgrs,
(*permitMgrsLen * sizeof(CfgPermittedManagers)));
pTemp = (LPSTR)SnmpUtilMemAlloc(valueSize+1);
value[valueSize] = TEXT('\0');
#ifdef UNICODE
SnmpUtilUnicodeToAnsi(&pTemp, value, FALSE);
#else
memcpy(pTemp, value, valueSize+1);
#endif
(*permitMgrs)[iValue].addrText = pTemp;
SnmpSvcAddrToSocket((*permitMgrs)[iValue].addrText,
&((*permitMgrs)[iValue].addrEncoding));
dummySize = MAX_PATH;
valueSize = MAX_PATH;
iValue++;
}
RegCloseKey(hkResult);
return TRUE;
} // end pmConfig()
VOID trapThread(VOID *threadParam)
{
INT eventListSize = 0;
HANDLE *eventList = NULL;
INT *eventListRegIndex = NULL;
DWORD status;
INT i;
AsnObjectIdentifier enterprise;
AsnInteger genericTrap;
AsnInteger specificTrap;
AsnInteger timeStamp;
RFC1157VarBindList variableBindings;
UNREFERENCED_PARAMETER(threadParam);
// create an event to allow this thread to be signaled to terminate
if ((hExitTrapThreadEvent = CreateEvent(NULL, TRUE, FALSE, NULL)) == NULL)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d creating termination event.\n", GetLastError()));
goto longBreak;
}
// add this thread's terminate event to the list...
if ((eventList = (HANDLE *)SnmpUtilMemReAlloc(eventList, sizeof(HANDLE))) == NULL)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: out of memory.\n"));
goto longBreak;
}
if ((eventListRegIndex = (INT *)SnmpUtilMemReAlloc(eventListRegIndex, sizeof(INT)))
== NULL)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: out of memory.\n"));
goto longBreak;
}
eventList[eventListSize] = hExitTrapThreadEvent;
eventListRegIndex[eventListSize++] = -1; // not really used
// add trap events for extension agents that have provided an event...
for (i=0; i<extAgentsLen; i++)
{
if (extAgents[i].trapEvent != NULL &&
extAgents[i].fInitedOk)
{
if ((eventList = (HANDLE *)SnmpUtilMemReAlloc(eventList, (eventListSize+1)*sizeof(HANDLE)))
== NULL)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: out of memory.\n"));
goto longBreak;
}
if ((eventListRegIndex = (INT *)SnmpUtilMemReAlloc(eventListRegIndex,
(eventListSize+1)*sizeof(INT))) == NULL)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: out of memory.\n"));
goto longBreak;
}
eventList[eventListSize] = extAgents[i].trapEvent;
eventListRegIndex[eventListSize++] = i;
}
} // end for()
// perform normal processing...
while(1)
{
if ((status = WaitForMultipleObjects(eventListSize, eventList,
FALSE, TTWFMOTimeout)) == 0xffffffff)
{
SNMPDBG((SNMP_LOG_ERROR, "SNMP: TRAP: error %d waiting for trap event list.\n", GetLastError()));
goto longBreak;
}
else if (status == WAIT_TIMEOUT)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: timeout waiting for trap event list.\n"));
continue;
}
// the service will set event 0 in the event list when it wants
// this thread to terminate.
if (status == 0)
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: termination event set.\n"));
break; // if hExitTrapThreadEvent, then exit
}
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: polling %s for traps.\n", extAgents[eventListRegIndex[status]].extPath));
// call snmpextensiontrap entry of appropriate extension dll...
while ((*extAgents[eventListRegIndex[status]].trapFunc)(&enterprise,
&genericTrap, &specificTrap, &timeStamp, &variableBindings))
{
if (!SnmpSvcGenerateTrap(&enterprise, genericTrap, specificTrap,
timeStamp, &variableBindings))
{
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: error %d generating trap.\n", GetLastError()));
//not a serious error.
}
}
} // end while()
longBreak:
if (eventList) SnmpUtilMemFree(eventList);
if (eventListRegIndex) SnmpUtilMemFree(eventListRegIndex);
SNMPDBG((SNMP_LOG_TRACE, "SNMP: TRAP: agentTrapThread exiting.\n"));
} // end trapThread()
// 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()