void KeyChange(Snmp* snmp, Pdu& myPdu,
const OctetStr& user, const OctetStr& newpass,
SnmpTarget& target, int type)
{
struct UsmKeyUpdate *uku = NULL;
int stat;
int status;
uku = usm->key_update_prepare(user, target, newpass,
myPdu, type, stat);
if (uku == NULL)
cout << "Key update preparation failed *************" << endl
<< "with " << snmp->error_msg(stat) << endl <<endl;
if (( status = snmp->set( myPdu,target)) == SNMP_CLASS_SUCCESS) {
Vb vb3;
Oid oid3;
myPdu.get_vb( vb3,0);
vb3.get_oid(oid3);
Vb vb4;
Oid oid4;
myPdu.get_vb( vb4,1);
vb4.get_oid(oid4);
if (myPdu.get_type() == REPORT_MSG) {
cout << "Received a reportPDU! with Oid "
<< oid3.get_printable() << endl
<< snmp->error_msg(oid3) << endl;
usm->key_update_abort(uku);
}
else {
cout << flush << endl
<< "Oid = " << vb3.get_printable_oid() << endl
<< "Value = " << vb3.get_printable_value() << endl;
cout << flush << endl
<< "Oid = " << vb4.get_printable_oid() << endl
<< "Value = " << vb4.get_printable_value() << endl;
int resul = usm->key_update_commit(uku, USM_PasswordAllKeyUpdate);
cout << endl << "result of local key update: "
<< resul << endl;
}
}
else {
cout << "SNMP++ KeyChange Error, " << snmp->error_msg( status)
<< " (" << status <<")"<< endl;
usm->key_update_abort(uku);
}
cout << "******************************** END"
<< endl << endl << flush;
}
// callback : have received a Pdu from the target host with given read comm str
// this is really simplistic, but gives the general idea
int agent_impl::handle_get( Pdu &pdu, UdpTarget &target)
{
ACE_TRACE("agent_impl::handle_get");
OctetStr mgr_rd_str, agent_rd_str;
target.get_read_community(mgr_rd_str); // requster's read community string
tgt_.get_read_community(agent_rd_str); // this agent's read community string
// 1. verify we have a valid read string else drop pdu (no response to caller)
if (mgr_rd_str != agent_rd_str) {
ACE_DEBUG((LM_DEBUG, "agent_impl::handle_get: invalid read community recvd\n"));
return 0;
}
// 2. iterate over each varbind in the pdu, filling providing responses
int fdone = 0;
for (int i = 0; (i < pdu.get_vb_count()) && !fdone; i++) {
Vb vb;
pdu.get_vb(vb, i);
if (get_response(vb)) { // set a value for the oid if we can else
set_error_status(&pdu, SNMP_ERROR_NO_SUCH_NAME); // these ought to be member
set_error_index(&pdu, i); // functions but are not yet...
fdone++; // trigger flag to exit loop early
}
else // failed, return noSuch error
pdu.set_vb(vb, i);
}
// 3. lastly, return the pkt to the caller
return respond(pdu, target);
}
void callback( int reason, Snmp *snmp, Pdu &pdu, SnmpTarget &target, void *cd)
{
Vb nextVb;
int pdu_error;
cout << "reason: " << reason << endl
<< "msg: " << snmp->error_msg(reason) << endl;
pdu_error = pdu.get_error_status();
if (pdu_error) {
cout << "Response contains error: "
<< snmp->error_msg(pdu_error)<< endl;
}
for (int i=0; i<pdu.get_vb_count(); i++)
{
pdu.get_vb(nextVb, i);
cout << "Oid: " << nextVb.get_printable_oid() << endl
<< "Val: " << nextVb.get_printable_value() << endl;
}
if (pdu.get_type() == sNMP_PDU_INFORM) {
cout << "pdu type: " << pdu.get_type() << endl;
cout << "sending response to inform: " << endl;
nextVb.set_value("This is the response.");
pdu.set_vb(nextVb, 0);
snmp->response(pdu, target);
}
cout << endl;
}
int wpdu::load_vbs(snmp_pdu *raw_pdu, const Pdu& pdu)
{
int status = 0;
// load up the payload
// for all Vbs in list, add them to the pdu
int vb_count;
Vb tempvb;
Oid tempoid;
SmiLPOID smioid;
SmiVALUE smival;
vb_count = pdu.get_vb_count();
for (int z = 0; z < vb_count; z++) {
pdu.get_vb( tempvb, z);
tempvb.get_oid( tempoid);
smioid = tempoid.oidval();
// what are we trying to convert here (vb oid part or value part)
status = convert_vb_to_smival( tempvb, &smival );
if ( status != SNMP_CLASS_SUCCESS)
return status;
// add the var to the raw pdu
cmu_snmp::add_var(raw_pdu, smioid->ptr, (int) smioid->len, &smival);
free_smival_descriptor( &smival);
}
return status;
}
MibIter::MibIter(Snmp* snmp, Pdu& pdu, UdpTarget *target):
snmp_(snmp), target_(target), pdu_(pdu), first_(0),
valid_(0)
{
// verify we have a valid oid to begin iterating with
Oid oid;
Vb vb;
pdu.get_vb(vb, 0);
vb.get_oid(oid);
if (oid.valid())
valid_ = 1;
}
const string & SnmpDG::GetMibObject(const snmp_version version, const SnmpPara& spr, const string oid) const
{
if(!m_inited_success)
{
return m_empty_object;
}
Snmp::socket_startup();
UdpAddress address(spr.ip.c_str());
//string myoid = oid;
Pdu pdu;
Vb vb;
vb.set_oid(oid.c_str());//(myoid.c_str());
pdu += vb;
CTarget ctarget(address);
ctarget.set_version( version );
ctarget.set_retry(spr.retry);
ctarget.set_timeout(spr.timeout);
ctarget.set_readcommunity(spr.community.c_str());
SnmpTarget *target;
target = &ctarget;
int status;
Snmp snmp(status, 0, false);
if (status == SNMP_CLASS_SUCCESS)
{
if ((status = snmp.get( pdu, *target)) == SNMP_CLASS_SUCCESS)
{
pdu.get_vb( vb,0);
//string oid_tmp = vb.get_printable_oid();
m_mib_object = vb.get_printable_value();
}
else
{
m_mib_object = string("");
SetLastError(status);
}
}
else
{
m_mib_object = string("");
SetLastError(status);
}
Snmp::socket_cleanup(); // Shut down socket subsystem
return m_mib_object;
}
Status SnmpManager::handleOperationGetNext(Request *request)
{
Snmp::socket_startup();
int status;
Snmp snmp(status, 0, false);
if (status != SNMP_CLASS_SUCCESS) {
/*Setup SNMP FAILED*/
Helper::log(0, "RequestGetNext Failed");
Helper::log(1, snmp.error_msg(status));
Helper::pop("Error", snmp.error_msg(status));
Snmp::socket_cleanup();
return Status_FAILED;
}
Pdu pdu;
pdu += request->data;
CTarget ctarget(request->address);
ctarget.set_retry(request->retry);
ctarget.set_timeout(request->timeout);
ctarget.set_version(request->version);
ctarget.set_readcommunity(request->community.c_str());
SnmpTarget *target = &ctarget;
status = snmp.get_next(pdu, *target);
if (status == SNMP_CLASS_SUCCESS) {
/*GetNextRequest SUCCESS*/
Helper::log(1, "RequestGetNext SUCCESS");
pdu.get_vb(request->data, 0);
QString replayOid = request->data.get_printable_oid();
QString replayValue = request->data.get_printable_value();
}
else {
/*GetNextRequest FAILED*/
Helper::log(0, "RequestGetNext Failed");
Helper::log(1, snmp.error_msg(status));
Helper::pop("Error", snmp.error_msg(status));
Snmp::socket_cleanup();
return Status_FAILED;
}
Snmp::socket_cleanup();
qDebug() << "########################################################";
qDebug() << "Handle RequestGetNext Successfully";
qDebug() << "Oid: " << request->data.get_printable_oid();
qDebug() << "Value: " << request->data.get_printable_value();
qDebug() << "########################################################";
return Status_SUCCESS;
}
// return vb of next oid in agent tree, return 1 else return 0, reason set
int MibIter::next(Vb& vb, char *& reason)
{
int rc;
if (valid_ == 0) // not valid object
return -1;
// 1. poll for value
if (first_ == 0) {
rc = snmp_->get( pdu_, *target_);
first_++;
}
else {
rc = snmp_->get_next( pdu_, *target_);
}
if (rc != SNMP_CLASS_SUCCESS) {
reason = const_cast <char*> (snmp_->error_string());
return 0;
}
// 2. check for problems
if (pdu_.get_error_status()) {
reason = const_cast <char*> (pdu_.agent_error_reason());
return 0;
}
// 3. return vb to caller
pdu_.get_vb(vb, 0);
Oid nextoid;
vb.get_oid(nextoid); // and setup next oid to get
Vb nextvb(nextoid);
pdu_.delete_all_vbs();
pdu_ += nextvb; // can't do set_vb as there are no entries to replace
return 1; // ok
}
int CSVBaseSNMP::GetBulkRequest(MonitorResult &ResultList)
{
WriteLog("\n\n*****************************");
WriteLog("GetBulkRequest!");
static const int BULK_BUFF = 10;
int nResult = 0;
char chPrvOID[MAX_BUFF_LEN] = {0};
bool bEnd = false;
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid( oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
SnmpTarget *target;
if(version ==version3)
{//If SNMP Version Is 3
nResult = InitUTarget(); //Init UTarget
pdu.set_security_level( m_lSecurityLevel); //Set the Security Level portion of Pdu
pdu.set_context_name (m_szContextName); //Set the Context Name portion of Pdu
pdu.set_context_engine_id(m_szContextEngineID); //Set the Context Engine ID portion of Pdu
target = &m_Utarget; //Set SNMP Target
}
else
{
target = &m_Ctarget; //Set SNMP Target
}
try
{
if(m_pSnmp)
{
int nIndex = 0, i = 0;
while (( nResult = m_pSnmp->get_bulk(pdu, *target, 0, BULK_BUFF)) == SNMP_CLASS_SUCCESS)
{
if(bEnd)
break;
for (i = 0; i < pdu.get_vb_count(); i ++)
{
pdu.get_vb( vb, i);
if (pdu.get_type() == REPORT_MSG)
{
Oid tmp;
vb.get_oid(tmp);
return -5;
}
// look for var bind exception, applies to v2 only
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
{
string szOID = vb.get_printable_oid();
WriteLog(szOID.c_str());
int nPosition = static_cast<int>(szOID.find(m_szStartID));
if(nPosition < 0)
{
bEnd = true;
break;
}
if(static_cast<int>(strlen(chPrvOID)) > 0)
{//如果上次OID不为空
if(strcmp(vb.get_printable_oid(), chPrvOID) == 0)
{//比较OID名称是否相同，相同则退出循环
bEnd = true;
break;
}
}
//结果赋值
if(static_cast<int>(strlen(vb.get_printable_oid())) < MAX_BUFF_LEN)
strcpy(chPrvOID, vb.get_printable_oid());
SNMP_Monitor_Result result;
result.m_szOID = vb.get_printable_oid();
if(strcmp(result.m_szOID.substr(0,19).c_str(),"1.3.6.1.2.1.2.2.1.2")==0)
{
char str[100];
vb.get_value(str);
result.m_szValue=str;
WriteLog(str);
}
else
result.m_szValue = vb.get_printable_value();
//nPosition = static_cast<int>(result.m_szOID.find(m_szStartID.c_str()) + m_szStartID.length());
//if(nPosition > 0)
//{
result.m_szIndex = result.m_szOID.substr(m_szStartID.length() + 1);
result.m_szOID = result.m_szOID.substr(0, m_szStartID.length());
//PrintDebugString("index is " + result.m_szIndex);
//}
WriteLog(result.m_szIndex.c_str());
WriteLog(result.m_szValue.c_str());
ResultList[nIndex] = result;
nIndex ++;
}
else
{
m_szErrorMsg = "End of MIB Reached";
return -4;
}
}
// last vb becomes seed of next rquest
pdu.set_vblist(&vb, 1);
}
}
}
catch(...)
{
DWORD dwError = GetLastError();
char szMsg[512] = {0};
int nlen = sprintf(szMsg, "Error Number is %08X --*GetBulkRequest*---", dwError);
DumpLog("snmpmonitor-bulk.log", szMsg, nlen);
}
if(nResult == SNMP_ERROR_NO_SUCH_NAME)
{
nResult = 0;
}
return nResult;
}
int CSVBaseSNMP::GetRequest(MonitorResult &ResultList)
{
WriteLog("\n\n*****************************");
WriteLog("GetRequest!");
int nResult = 0;
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid( oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
SnmpTarget *target;
if(version == version3)
{//If SNMP Version Is 3
nResult = InitUTarget(); //Init UTarget
pdu.set_security_level( m_lSecurityLevel); //Set the Security Level portion of Pdu
pdu.set_context_name(m_szContextName); //Set the Context Name portion of Pdu
pdu.set_context_engine_id(m_szContextEngineID); //Set the Context Engine ID portion of Pdu
target = &m_Utarget; //Set SNMP Target
}
else
{
target = &m_Ctarget; //Set SNMP Target
}
try
{
//cout << address << endl;
//cout << oid.get_printable() << endl;
if(m_pSnmp)
{
nResult = m_pSnmp->get( pdu,*target); //Get Reques
if(nResult != 0)
{//当有错误发生时候
m_szErrorMsg = m_pSnmp->error_msg(nResult);
return nResult;
}
for ( int i = 0; i < pdu.get_vb_count(); i ++)
{
pdu.get_vb(vb, i);
if (pdu.get_type() == REPORT_MSG)
{
Oid tmp;
vb.get_oid(tmp);
return -5;
}
// look for var bind exception, applies to v2 only
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
{
SNMP_Monitor_Result result;
result.m_szOID = vb.get_printable_oid();
result.m_szValue = vb.get_printable_value();
size_t nPosition = result.m_szOID.rfind(".");
if(nPosition > 0)
{
result.m_szIndex = result.m_szOID.substr(nPosition);
result.m_szOID = result.m_szOID.substr(0, nPosition - 1);
}
WriteLog(result.m_szIndex.c_str());
WriteLog(result.m_szValue.c_str());
ResultList[i] = result;
}
else
{
m_szErrorMsg = "End of MIB Reached";
return -4;
}
}
}
}
catch(...)
{
DWORD dwError = GetLastError();
char szMsg[512] = {0};
int nlen = sprintf(szMsg, "Error Number is %08X --*GetRequest*---", dwError);
DumpLog("snmpmonitor-request", szMsg, nlen);
}
return nResult;
}
int main_bulk_jun( int argc, char **argv)
{
{
cout << "Usage:\n";
cout << "snmpBulk IpAddress | DNSName [Oid [Oid...]] [options]\n";
cout << "Oid: sysDescr object is default\n";
cout << "options: -v1 , use SNMPV1, default\n";
cout << " -v2 , use SNMPV2\n";
#ifdef _SNMPv3
cout << " -v3 , use SNMPV3\n";
#endif
cout << " -pPort , remote port to use\n";
cout << " -CCommunity_name, specify community default is 'public' \n";
cout << " -rN , retries default is N = 1 retry\n";
cout << " -tN , timeout in hundredths of seconds; default is N = 100\n";
cout << " -nN , non-repeaters default is N = 0\n";
cout << " -mN , max-repetitions default is N = 1\n";
#ifdef _SNMPv3
cout << " -snSecurityName, " << endl;
cout << " -slN , securityLevel to use, default N = 3 = authPriv" << endl;
cout << " -smN , securityModel to use, only default N = 3 = USM possible\n";
cout << " -cnContextName, default """"" << endl;
cout << " -ceContextEngineID, default """"" << endl;
cout << " -md5 , use MD5 authentication protocol\n";
cout << " -sha , use SHA authentication protocol\n";
cout << " -des , use DES privacy protocol\n";
cout << " -idea, use IDEA privacy protocol\n";
cout << " -aes128, use AES128 privacy protocol\n";
cout << " -aes192, use AES192 privacy protocol\n";
cout << " -aes256, use AES256 privacy protocol\n";
cout << " -uaAuthPassword\n";
cout << " -upPrivPassword\n";
#endif
}
//---------[ check the arg count ]----------------------------------------
if ( argc < 2) {
return 1;
}
Snmp::socket_startup(); // Initialize socket subsystem
//---------[ make a GenAddress and Oid object to retrieve ]---------------
UdpAddress address( argv[1]); // make a SNMP++ Generic address
if ( !address.valid()) { // check validity of address
cout << "Invalid Address or DNS Name, " << argv[1] << "\n";
return 1;
}
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
if ( argc >= 3) { // if 3 args, then use the callers Oid
int i=2;
while ((strstr(argv[i],"-")==0) && (i<argc)) {
Oid oid(argv[i]);
if ( !oid.valid()) { // check validity of user oid
cout << "Invalid Oid, " << argv[2] << "\n";
return -2;
}
vb.set_oid(oid);
pdu += vb;
i++;
}
}
else {
Oid oid("1.3.6.1.2.1.1.1"); // default is sysDescr
vb.set_oid(oid);
pdu += vb; // add the vb to the Pdu
}
//jun add
{
Oid oid ("1.3.6.1.2.1.1.6.0");
vb.set_oid(oid);
pdu += vb;
Oid oid2("1.3.6.1.2.1.1.3.0");
vb.set_oid(oid2);
pdu += vb;
Oid oid3("1.3.6.1.2.1.1.5.0");
vb.set_oid(oid3);
pdu += vb;
Oid oidx("1.3.6.1.2.1.1.5");
vb.set_oid(oidx);
pdu += vb;
Oid oid4("1.3.6.1.2.1.25.5.1.1");
vb.set_oid(oid4);
pdu += vb;
}
//---------[ determine options to use ]-----------------------------------
snmp_version version=version1; // default is v1
int retries=1; // default retries is 1
int timeout=100; // default is 1 second
u_short port=161; // default snmp port is 161
OctetStr community("public"); // community name
int non_reps=2; // non repeaters default is 0
int max_reps=20; // maximum repetitions default is 1
#ifdef _SNMPv3
OctetStr privPassword("");
OctetStr authPassword("");
OctetStr securityName("");
int securityModel = SecurityModel_USM;
int securityLevel = SecurityLevel_authPriv;
OctetStr contextName("");
OctetStr contextEngineID("");
long authProtocol = SNMPv3_usmNoAuthProtocol;
long privProtocol = SNMPv3_usmNoPrivProtocol;
v3MP *v3_MP;
#endif
char *ptr;
for(int x=1;x<argc;x++) { // parse for version
if ( strstr( argv[x],"-v2")!= 0) {
version = version2c;
continue;
}
if ( strstr( argv[x],"-r")!= 0) { // parse for retries
ptr = argv[x]; ptr++; ptr++;
retries = atoi(ptr);
if (( retries<0)|| (retries>5)) retries=1;
continue;
}
if ( strstr( argv[x], "-t")!=0) { // parse for timeout
ptr = argv[x]; ptr++; ptr++;
timeout = atoi( ptr);
if (( timeout < 100)||( timeout>500)) timeout=100;
continue;
}
if ( strstr( argv[x],"-n")!=0) { // parse for non repeaters
ptr = argv[x];ptr++;ptr++;
non_reps=atoi( ptr);
if (( non_reps < 0)||( non_reps>10)) non_reps=0;
}
if ( strstr( argv[x],"-m")!=0) { // parse for max repetitions
ptr = argv[x];ptr++;ptr++;
max_reps=atoi( ptr);
if ( max_reps < 0) max_reps=1;
}
if ( strstr( argv[x],"-C")!=0) {
ptr = argv[x]; ptr++; ptr++;
community = ptr;
continue;
}
if ( strstr( argv[x],"-p")!=0) {
ptr = argv[x]; ptr++; ptr++;
sscanf(ptr, "%hu", &port);
continue;
}
#ifdef _SNMPv3
if ( strstr( argv[x],"-v3")!= 0) {
version = version3;
continue;
}
if ( strstr( argv[x],"-idea") != 0) {
ptr = argv[x]; ptr++; ptr++;
privProtocol = SNMPv3_usmIDEAPrivProtocol;
continue;
}
if ( strstr( argv[x],"-aes128") != 0) {
ptr = argv[x]; ptr++; ptr++;
privProtocol = SNMPv3_usmAES128PrivProtocol;
continue;
}
if ( strstr( argv[x],"-aes192") != 0) {
ptr = argv[x]; ptr++; ptr++;
privProtocol = SNMPv3_usmAES192PrivProtocol;
continue;
}
if ( strstr( argv[x],"-aes256") != 0) {
ptr = argv[x]; ptr++; ptr++;
privProtocol = SNMPv3_usmAES256PrivProtocol;
continue;
}
if ( strstr( argv[x],"-sha") != 0) {
ptr = argv[x]; ptr++; ptr++;
authProtocol = SNMPv3_usmHMACSHAAuthProtocol;
continue;
}
if ( strstr( argv[x],"-des") != 0) {
ptr = argv[x]; ptr++; ptr++;
privProtocol = SNMPv3_usmDESPrivProtocol;
continue;
}
if ( strstr( argv[x],"-md5") != 0) {
ptr = argv[x]; ptr++; ptr++;
authProtocol = SNMPv3_usmHMACMD5AuthProtocol;
continue;
}
if ( strstr( argv[x],"-sn")!=0) {
ptr = argv[x]; ptr+=3;
securityName = ptr;
continue;
}
if ( strstr( argv[x], "-sl")!=0) {
ptr = argv[x]; ptr+=3;
securityLevel = atoi( ptr);
if (( securityLevel < SecurityLevel_noAuthNoPriv) ||
( securityLevel > SecurityLevel_authPriv))
securityLevel = SecurityLevel_authPriv;
continue;
}
if ( strstr( argv[x], "-sm")!=0) {
ptr = argv[x]; ptr+=3;
securityModel = atoi( ptr);
if (( securityModel < SecurityModel_v1) ||
( securityModel > SecurityModel_USM))
securityModel = SecurityModel_USM;
continue;
}
if ( strstr( argv[x],"-cn")!=0) {
ptr = argv[x]; ptr+=3;
contextName = ptr;
continue;
}
if ( strstr( argv[x],"-ce")!=0) {
ptr = argv[x]; ptr+=3;
contextEngineID = ptr;
continue;
}
if ( strstr( argv[x],"-ua")!=0) {
ptr = argv[x]; ptr+=3;
authPassword = ptr;
continue;
}
if ( strstr( argv[x],"-up")!=0) {
ptr = argv[x]; ptr+=3;
privPassword = ptr;
continue;
}
#endif
}
//----------[ create a SNMP++ session ]-----------------------------------
int status;
// bind to any port and use IPv6 if needed
Snmp snmp(status, 0, (address.get_ip_version() == Address::version_ipv6));
if ( status != SNMP_CLASS_SUCCESS) {
cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "\n";
return 1;
}
//---------[ init SnmpV3 ]--------------------------------------------
#ifdef _SNMPv3
if (version == version3) {
char *engineId = "snmpBulk";
char *filename = "snmpv3_boot_counter";
unsigned int snmpEngineBoots = 0;
int status;
status = getBootCounter(filename, engineId, snmpEngineBoots);
if ((status != SNMPv3_OK) && (status < SNMPv3_FILEOPEN_ERROR))
{
cout << "Error loading snmpEngineBoots counter: " << status << endl;
return 1;
}
snmpEngineBoots++;
status = saveBootCounter(filename, engineId, snmpEngineBoots);
if (status != SNMPv3_OK)
{
cout << "Error saving snmpEngineBoots counter: " << status << endl;
return 1;
}
int construct_status;
v3_MP = new v3MP(engineId, snmpEngineBoots, construct_status);
USM *usm = v3_MP->get_usm();
usm->add_usm_user(securityName,
authProtocol, privProtocol,
authPassword, privPassword);
}
else
{
// MUST create a dummy v3MP object if _SNMPv3 is enabled!
int construct_status;
v3_MP = new v3MP("dummy", 0, construct_status);
}
#endif
//--------[ build up SNMP++ object needed ]-------------------------------
address.set_port(port);
CTarget ctarget( address); // make a target using the address
#ifdef _SNMPv3
UTarget utarget( address);
if (version == version3) {
utarget.set_version( version); // set the SNMP version SNMPV1 or V2 or V3
utarget.set_retry( retries); // set the number of auto retries
utarget.set_timeout( timeout); // set timeout
utarget.set_security_model( securityModel);
utarget.set_security_name( securityName);
pdu.set_security_level( securityLevel);
pdu.set_context_name (contextName);
pdu.set_context_engine_id(contextEngineID);
}
else {
#endif
ctarget.set_version( version); // set the SNMP version SNMPV1 or V2
ctarget.set_retry( retries); // set the number of auto retries
ctarget.set_timeout( timeout); // set timeout
ctarget.set_readcommunity( community); // set the read community name
#ifdef _SNMPv3
}
#endif
//-------[ issue the request, blocked mode ]-----------------------------
cout << "SNMP++ GetBulk to " << argv[1] << " SNMPV"
#ifdef _SNMPv3
<< ((version==version3) ? (version) : (version+1))
#else
<< (version+1)
#endif
<< " Retries=" << retries
<< " Timeout=" << timeout << "ms"
<< " Non Reptrs=" << non_reps
<< " Max Reps=" << max_reps << endl;
#ifdef _SNMPv3
if (version == version3)
cout << endl
<< "securityName= " << securityName.get_printable()
<< ", securityLevel= " << securityLevel
<< ", securityModel= " << securityModel << endl
<< "contextName= " << contextName.get_printable()
<< ", contextEngineID= " << contextEngineID.get_printable()
<< endl;
else
#endif
cout << " Community=" << community.get_printable() << endl << flush;
SnmpTarget *target;
#ifdef _SNMPv3
if (version == version3)
target = &utarget;
else
#endif
target = &ctarget;
Pdu pdu2 = pdu;
if (( status = snmp.get_bulk( pdu,*target,non_reps,max_reps))== SNMP_CLASS_SUCCESS) {
for ( int z=0;z<pdu.get_vb_count();z++) {
pdu.get_vb( vb,z);
#ifdef _SNMPv3
if (pdu.get_type() == REPORT_MSG) {
Oid tmp;
vb.get_oid(tmp);
cout << "Received a reportPdu: "
<< snmp.error_msg( tmp)
<< endl
<< vb.get_printable_oid() << " = "
<< vb.get_printable_value() << endl;
}
#endif
cout << "Oid = " << vb.get_printable_oid() << "\n";
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
cout << "Value = " << vb.get_printable_value() << "\n\n";
}
else {
cout << "End of MIB view.\n\n";
}
}
}
else
cout << "SNMP++ GetBulk Error, " << snmp.error_msg( status) << "\n";
pdu = pdu2;
//--------------------
if (( status = snmp.get_bulk( pdu,*target,non_reps,max_reps))== SNMP_CLASS_SUCCESS) {
for ( int z=0;z<pdu.get_vb_count();z++) {
pdu.get_vb( vb,z);
#ifdef _SNMPv3
if (pdu.get_type() == REPORT_MSG) {
Oid tmp;
vb.get_oid(tmp);
cout << "Received a reportPdu: "
<< snmp.error_msg( tmp)
<< endl
<< vb.get_printable_oid() << " = "
<< vb.get_printable_value() << endl;
}
#endif
cout << "Oid = " << vb.get_printable_oid() << "\n";
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
cout << "Value = " << vb.get_printable_value() << "\n\n";
}
else {
cout << "End of MIB view.\n\n";
}
}
}
else
cout << "SNMP++ GetBulk Error, " << snmp.error_msg( status) << "\n";
//-------------
Snmp::socket_cleanup(); // Shut down socket subsystem
}
const list<pair<string,string> > & SnmpDG::GetMibTable(const snmp_version version, const SnmpPara& spr, const string oid) const
{
m_mib_table.clear();
if(!m_inited_success)
{
return m_mib_table;
}
Snmp::socket_startup(); // Initialize socket subsystem
UdpAddress address( spr.ip.c_str());
Oid myoid(oid.c_str()); // default is sysDescr
if( !myoid.valid())
{// check validity of user oid
return m_mib_table;
}
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object(SNMP++ Variable Binding)
vb.set_oid(myoid);//oid.c_str());
pdu += vb;
CTarget ctarget(address);
ctarget.set_version( version );
ctarget.set_retry(spr.retry);
ctarget.set_timeout(spr.timeout);
ctarget.set_readcommunity(spr.community.c_str());
SnmpTarget *target;
target = &ctarget;
int status;
Snmp snmp(status, 0, false);
if (status == SNMP_CLASS_SUCCESS)
{
DWORD dwStartTime_ttl = GetTickCount();
DWORD dwStartTime = 0, dwEndTime = 0;
while ( (status = snmp.get_next(pdu, *target)) == SNMP_CLASS_SUCCESS) //get_next命令是按列遍历oid
{
pdu.get_vb(vb, 0);
Oid oid_tmp = vb.get_oid();//.get_printable_oid();该表项的oid
string str_oid_tmp = oid_tmp.get_printable();
if(oid_tmp.nCompare(myoid.len(), myoid) != 0)//判断是否已越界，如果是则结束循环
{
break;
}
bool bNew = true;
string value_tmp = vb.get_printable_value();
for(std::list<pair<string,string> >::iterator item = m_mib_table.begin();
item != m_mib_table.end();
item++)
{
if(item->first == str_oid_tmp)//value_tmp)//去掉重复的oid
{
bNew = false;
cout << "ip:" + spr.ip + ",repeat oid:" + str_oid_tmp;
break;
}
}
if(bNew)
{
dwStartTime = GetTickCount();
m_mib_table.push_back(make_pair(str_oid_tmp,value_tmp));
vb.set_oid(oid_tmp);
vb.set_null();
pdu.set_vb(vb,0);
}
else
{
// if ( GetTickCount() - dwStartTime > 10000 ) //10s
//{
// cout << "Timeout because read repeat data " << endl;
break;
//}
}
if ( GetTickCount() - dwStartTime_ttl > 300000 ) //5min
{
cout << "Timeout because read operation " << endl;
break;
}
}
}
else
{
cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "\n";
SetLastError(status);
}
Snmp::socket_cleanup(); // Shut down socket subsystem
return m_mib_table;
}
/////////////////////////////////////////////////////////////////////////////
// 函数：GetBulkRequest //
// 说明：得到表格变量的结果 //
// 参数：无 //
// 返回值： //
// 成功返回0，否则返回一个非0 值 //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::GetBulkRequest()
{
//puts("BasicSNMP::GetBulkRequest");
int nResult = 0;
char chPrvOID[MAX_BUFF_LEN] = {0};
bool bEnd = false;
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid( oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
DestroyResultList();
SnmpTarget *target;// = &ctarget;
if(version ==version3)
{//If SNMP Version Is 3
nResult = InitUTarget();//Init UTarget
pdu.set_security_level( m_nSecurityLevel);//Set the Security Level portion of Pdu
pdu.set_context_name (contextName);//Set the Context Name portion of Pdu
pdu.set_context_engine_id(contextEngineID);//Set the Context Engine ID portion of Pdu
target = &utarget; //Set SNMP Target
}
else
{
target = &ctarget; //Set SNMP Target
}
OIDResult *pTemp = new OIDResult();
OIDResult *pPrevResult = pTemp;
//pTemp->pNext = NULL;
pResult = pTemp;
try
{
//SnmpTarget *target = &ctarget;
while (( nResult = pSnmp->get_next(pdu, *target))== SNMP_CLASS_SUCCESS)
{
if(bEnd)
{
break;
}
for ( int z=0;z<pdu.get_vb_count(); z++)
{
pdu.get_vb( vb,z);
if (pdu.get_type() == REPORT_MSG)
{
Oid tmp;
vb.get_oid(tmp);
return -5;
}
// look for var bind exception, applies to v2 only
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
{
char chOID[MAX_BUFF_LEN] = {0};
sprintf(chOID, "%s", vb.get_printable_oid());
char *pDest = strstr(chOID, chOIDStart);
if(pDest == NULL)
{//OID名称是否包含开始OID
bEnd = true;
break;
}
if(strlen(chPrvOID)>0)
{//如果上次OID不为空
if(strcmp(vb.get_printable_oid(), chPrvOID) == 0)
{//比较OID名称是否相同，相同则退出循环
bEnd = true;
break;
}
}
//结果赋值
strcpy(chPrvOID, vb.get_printable_oid());
strcpy(pTemp->chOID, vb.get_printable_oid());
strcpy(pTemp->chValue,vb.get_printable_value());
char *pIndex;
pIndex=pTemp->chOID+strlen(oid.get_printable())+1;
//pTemp->nLen = static_cast<int>(strlen(pTemp->chValue));
//char *pdest = strrchr(pTemp->chOID, '.');
//int nLast = (int)(pdest - pTemp->chOID + 1);
//memcpy(pTemp->chIndex, (pTemp->chOID)+nLast, strlen(pTemp->chOID) - nLast);
strcpy(pTemp->chIndex,pIndex);
//pTemp->chIndex[strlen(pTemp->chOID) - nLast] = '\0';
}
else
{
memset(chErrMsg, 0 , MAX_BUFF_LEN);
strcpy(chErrMsg, "End of MIB Reached");
return -4;
}
if(pTemp->pNext == NULL)
{
pPrevResult = pTemp;
pTemp->pNext = new OIDResult();
if(pTemp->pNext)
pTemp = pTemp->pNext;
//pTemp->pNext = NULL;
}
}
// last vb becomes seed of next rquest
pdu.set_vblist(&vb, 1);
}
if(nResult == 0)
{
if(pTemp->pNext == NULL)
{
free(pTemp);
pTemp = NULL;
pPrevResult->pNext = NULL;
}
}
}
catch(...)
{
DWORD dwError = GetLastError();
char szMsg[512] = {0};
int nlen = sprintf(szMsg, "Error Number is %08X --*GetBulkRequest*---", dwError);
DumpLog("snmpmonitor-bulk.log", szMsg, nlen);
//cout << "Error Number is " << dwError << "---*GetRequest*---" << endl;
}
if(nResult == SNMP_ERROR_NO_SUCH_NAME)
{
nResult = 0;
pPrevResult->pNext = NULL;
}
return nResult;
}
/////////////////////////////////////////////////////////////////////////////
// 函数：GetRequest //
// 说明：得到简单变量的结果 //
// 参数：无 //
// 返回值： //
// 成功返回0，否则返回一个非0 值 //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::GetRequest()
{
static const char chFile[] = "smmpmonitor.log";
int nResult = 0;
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid( oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
DestroyResultList();
SnmpTarget *target;// = &ctarget;
if(version ==version3)
{//If SNMP Version Is 3
nResult = InitUTarget();//Init UTarget
pdu.set_security_level( m_nSecurityLevel);//Set the Security Level portion of Pdu
pdu.set_context_name (contextName);//Set the Context Name portion of Pdu
pdu.set_context_engine_id(contextEngineID);//Set the Context Engine ID portion of Pdu
target = &utarget; //Set SNMP Target
}
else
{
target = &ctarget; //Set SNMP Target
}
OIDResult *pTemp = new OIDResult();//construct OIDResult Struct
pTemp->pNext = NULL;
pResult = pTemp;
try
{
nResult = pSnmp->get( pdu,*target);//Get Reques
if(nResult != 0)
{//当有错误发生时候
strcpy(chErrMsg, pSnmp->error_msg(nResult));
return nResult;
}
for ( int z = 0; z < pdu.get_vb_count(); z++)
{
pdu.get_vb( vb,z);
if (pdu.get_type() == REPORT_MSG)
{
Oid tmp;
vb.get_oid(tmp);
return -5;
}
// look for var bind exception, applies to v2 only
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
{
//Set OIDResult Value
if(static_cast<int>(strlen(vb.get_printable_oid())) < MAX_BUFF_LEN)
strcpy(pTemp->chOID, vb.get_printable_oid());
if(static_cast<int>(strlen(vb.get_printable_value())) < MAX_BUFF_LEN)
{
strcpy(pTemp->chValue, vb.get_printable_value());
//pTemp->nLen = static_cast<int>(strlen(pTemp->chValue));
}
char *pdest = strrchr(pTemp->chOID, '.');
if(pdest)
{
(*pdest) = '\0';
pdest ++;
strcpy(pTemp->chIndex, pdest);
}
//if(pdest)
//{
// int nLast = (int)(pdest - pTemp->chOID + 1);
// memcpy(pTemp->chIndex, (pTemp->chOID)+nLast, strlen(pTemp->chOID) - nLast);
// pTemp->chIndex[strlen(pTemp->chOID) - nLast] = '\0';
//}
}
else
{
memset(chErrMsg, 0 , MAX_BUFF_LEN);
strcpy(chErrMsg, "End of MIB Reached");
return -4;
}
}
}
catch(...)
{
DWORD dwError = GetLastError();
char szMsg[512] = {0};
int nlen = sprintf(szMsg, "Error Number is %08X --*GetRequest*---", dwError);
DumpLog(chFile, szMsg, nlen);
//cout << "Error Number is " << dwError << "---*GetRequest*---" << endl;
}
return nResult;
}
/////////////////////////////////////////////////////////////////////////////
// 函数：GetNextRequest //
// 说明：以当前OID变量为开始，得到下一个简单变量的结果 //
// 参数：无 //
// 返回值： //
// 成功返回0，否则返回一个非0 值 //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::GetNextRequest()
{
int nResult = 0;
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid( oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
DestroyResultList();
SnmpTarget *target;// = &ctarget;
if(version ==version3)
{//If SNMP Version Is 3
nResult = InitUTarget();//Init UTarget
pdu.set_security_level( m_nSecurityLevel);//Set the Security Level portion of Pdu
pdu.set_context_name (contextName);//Set the Context Name portion of Pdu
pdu.set_context_engine_id(contextEngineID);//Set the Context Engine ID portion of Pdu
target = &utarget; //Set SNMP Target
}
else
{
target = &ctarget; //Set SNMP Target
}
OIDResult *pTemp = new OIDResult();
pTemp->pNext = NULL;
pResult = pTemp;
//SnmpTarget *target = &ctarget;
nResult = pSnmp->get_next( pdu,*target);
if(nResult != 0)
{//当有错误发生时候
strcpy(chErrMsg, pSnmp->error_msg(nResult));
}
for ( int z=0;z<pdu.get_vb_count(); z++)
{
pdu.get_vb( vb,z);
if (pdu.get_type() == REPORT_MSG)
{
Oid tmp;
vb.get_oid(tmp);
return -5;
}
// look for var bind exception, applies to v2 only
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW)
{
strcpy(pTemp->chOID, vb.get_printable_oid());
strcpy(pTemp->chValue,vb.get_printable_value());
//pTemp->nLen = static_cast<int>(strlen(pTemp->chValue));
char *pdest = strrchr(pTemp->chOID, '.');
int nLast = (int)(pdest - pTemp->chOID + 1);
memcpy(pTemp->chIndex, (pTemp->chOID)+nLast, strlen(pTemp->chOID) - nLast);
pTemp->chIndex[strlen(pTemp->chOID) - nLast] = '\0';
oid = pTemp->chOID;
}
else
{
// memset(chErrMsg, 0 , MAX_BUFF_LEN);
// strcpy(chErrMsg, "End of MIB Reached");
return -4;
}
}
return nResult;
}
int main(int argc, char **argv)
{
//---------[ check the arg count ]----------------------------------------
if ( argc < 2 )
usage();
if ( strstr( argv[1],"-h") != 0 )
help();
if ( strstr( argv[1],"-?") != 0 )
usage();
#if !defined(_NO_LOGGING) && !defined(WITH_LOG_PROFILES)
// Set filter for logging
DefaultLog::log()->set_filter(ERROR_LOG, 7);
DefaultLog::log()->set_filter(WARNING_LOG, 7);
DefaultLog::log()->set_filter(EVENT_LOG, 7);
DefaultLog::log()->set_filter(INFO_LOG, 7);
DefaultLog::log()->set_filter(DEBUG_LOG, 7);
#endif
Snmp::socket_startup(); // Initialize socket subsystem
//---------[ make a GenAddress and Oid object to retrieve ]---------------
UdpAddress address( argv[1]); // make a SNMP++ Generic address
if ( !address.valid()) { // check validity of address
cout << "Invalid Address or DNS Name, " << argv[1] << "\n";
usage();
}
Oid oid("1.3.6.1.2.1.1.1"); // default is sysDescr
if ( argc >= 3) { // if 3 args, then use the callers Oid
if ( strstr( argv[2],"-")==0) {
oid = argv[2];
if ( !oid.valid()) { // check validity of user oid
cout << "Invalid Oid, " << argv[2] << "\n";
usage();
}
}
}
// cout << "GETNEXT for OID " << oid.get_printable() << "\n";
//---------[ determine options to use ]-----------------------------------
snmp_version version=version1; // default is v1
int retries=1; // default retries is 1
int timeout=100; // default is 1 second
u_short port=161; // default snmp port is 161
OctetStr community("public"); // community name
#ifdef _SNMPv3
OctetStr privPassword("");
OctetStr authPassword("");
OctetStr securityName("");
int securityModel = SNMP_SECURITY_MODEL_USM;
int securityLevel = SNMP_SECURITY_LEVEL_AUTH_PRIV;
OctetStr contextName("");
OctetStr contextEngineID("");
long authProtocol = SNMP_AUTHPROTOCOL_NONE;
long privProtocol = SNMP_PRIVPROTOCOL_NONE;
v3MP *v3_MP;
#endif
char *ptr;
for(int x=1;x<argc;x++) { // parse for version
if ( strstr( argv[x],"-v2")!= 0) {
version = version2c;
continue;
}
if ( strstr( argv[x],"-r")!= 0) { // parse for retries
ptr = argv[x]; ptr++; ptr++;
retries = atoi(ptr);
if (( retries<0)|| (retries>5)) retries=1;
continue;
}
if ( strstr( argv[x], "-t")!=0) { // parse for timeout
ptr = argv[x]; ptr++; ptr++;
timeout = atoi( ptr);
if (( timeout < 100)||( timeout>500)) timeout=100;
continue;
}
if ( strstr( argv[x],"-C")!=0) {
ptr = argv[x]; ptr++; ptr++;
community = ptr;
continue;
}
if ( strstr( argv[x],"-P")!=0) {
ptr = argv[x]; ptr++; ptr++;
sscanf(ptr, "%hu", &port);
continue;
}
#ifdef WITH_LOG_PROFILES
if ( strstr( argv[x], "-L" ) != 0 ) {
ptr = argv[x]; ptr++; ptr++;
DefaultLog::log()->set_profile(ptr);
}
#endif
#ifdef _SNMPv3
if ( strstr( argv[x],"-v3")!= 0) {
version = version3;
continue;
}
if ( strstr( argv[x],"-auth") != 0) {
ptr = argv[x]; ptr+=5;
if (strcasecmp(ptr, "SHA") == 0)
authProtocol = SNMP_AUTHPROTOCOL_HMACSHA;
else if (strcasecmp(ptr, "MD5") == 0)
authProtocol = SNMP_AUTHPROTOCOL_HMACMD5;
else if (strcasecmp(ptr, "NONE") == 0)
authProtocol = SNMP_AUTHPROTOCOL_NONE;
else
cout << "Warning: ignoring unknown auth protocol: " << ptr << endl;
continue;
}
if ( strstr( argv[x],"-priv") != 0) {
ptr = argv[x]; ptr+=5;
if (strcasecmp(ptr, "DES") == 0)
privProtocol = SNMP_PRIVPROTOCOL_DES;
else if (strcasecmp(ptr, "3DESEDE") == 0)
privProtocol = SNMP_PRIVPROTOCOL_3DESEDE;
else if (strcasecmp(ptr, "IDEA") == 0)
privProtocol = SNMP_PRIVPROTOCOL_IDEA;
else if (strcasecmp(ptr, "AES128") == 0)
privProtocol = SNMP_PRIVPROTOCOL_AES128;
else if (strcasecmp(ptr, "AES192") == 0)
privProtocol = SNMP_PRIVPROTOCOL_AES192;
else if (strcasecmp(ptr, "AES256") == 0)
privProtocol = SNMP_PRIVPROTOCOL_AES256;
else if (strcasecmp(ptr, "NONE") == 0)
privProtocol = SNMP_PRIVPROTOCOL_NONE;
else
cout << "Warning: ignoring unknown priv protocol: " << ptr << endl;
continue;
}
if ( strstr( argv[x],"-sn")!=0) {
ptr = argv[x]; ptr+=3;
securityName = ptr;
continue;
}
if ( strstr( argv[x], "-sl")!=0) {
ptr = argv[x]; ptr+=3;
securityLevel = atoi( ptr);
if (( securityLevel < SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV) ||
( securityLevel > SNMP_SECURITY_LEVEL_AUTH_PRIV))
securityLevel = SNMP_SECURITY_LEVEL_AUTH_PRIV;
continue;
}
if ( strstr( argv[x], "-sm")!=0) {
ptr = argv[x]; ptr+=3;
securityModel = atoi( ptr);
if (( securityModel < SNMP_SECURITY_MODEL_V1) ||
( securityModel > SNMP_SECURITY_MODEL_USM))
securityModel = SNMP_SECURITY_MODEL_USM;
continue;
}
if ( strstr( argv[x],"-cn")!=0) {
ptr = argv[x]; ptr+=3;
contextName = ptr;
continue;
}
if ( strstr( argv[x],"-ce")!=0) {
ptr = argv[x]; ptr+=3;
contextEngineID = OctetStr::from_hex_string(ptr);
continue;
}
if ( strstr( argv[x],"-ua")!=0) {
ptr = argv[x]; ptr+=3;
authPassword = ptr;
continue;
}
if ( strstr( argv[x],"-up")!=0) {
ptr = argv[x]; ptr+=3;
privPassword = ptr;
continue;
}
#endif
}
//----------[ create a SNMP++ session ]-----------------------------------
int status;
// bind to any port and use IPv6 if needed
Snmp snmp(status, 0, (address.get_ip_version() == Address::version_ipv6));
if ( status != SNMP_CLASS_SUCCESS) {
cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "\n";
return 1;
}
//---------[ init SnmpV3 ]--------------------------------------------
#ifdef _SNMPv3
if (version == version3) {
const char *engineId = "snmpNext";
const char *filename = "snmpv3_boot_counter";
unsigned int snmpEngineBoots = 0;
int status;
status = getBootCounter(filename, engineId, snmpEngineBoots);
if ((status != SNMPv3_OK) && (status < SNMPv3_FILEOPEN_ERROR))
{
cout << "Error loading snmpEngineBoots counter: " << status << endl;
return 1;
}
snmpEngineBoots++;
status = saveBootCounter(filename, engineId, snmpEngineBoots);
if (status != SNMPv3_OK)
{
cout << "Error saving snmpEngineBoots counter: " << status << endl;
return 1;
}
int construct_status;
v3_MP = new v3MP(engineId, snmpEngineBoots, construct_status);
if (construct_status != SNMPv3_MP_OK)
{
cout << "Error initializing v3MP: " << construct_status << endl;
return 1;
}
USM *usm = v3_MP->get_usm();
usm->add_usm_user(securityName,
authProtocol, privProtocol,
authPassword, privPassword);
}
else
{
// MUST create a dummy v3MP object if _SNMPv3 is enabled!
int construct_status;
v3_MP = new v3MP("dummy", 0, construct_status);
}
#endif
//--------[ build up SNMP++ object needed ]-------------------------------
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid( oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
address.set_port(port);
CTarget ctarget( address); // make a target using the address
#ifdef _SNMPv3
UTarget utarget( address);
if (version == version3) {
utarget.set_version( version); // set the SNMP version SNMPV1 or V2 or V3
utarget.set_retry( retries); // set the number of auto retries
utarget.set_timeout( timeout); // set timeout
utarget.set_security_model( securityModel);
utarget.set_security_name( securityName);
pdu.set_security_level( securityLevel);
pdu.set_context_name (contextName);
pdu.set_context_engine_id(contextEngineID);
}
else {
#endif
ctarget.set_version( version); // set the SNMP version SNMPV1 or V2
ctarget.set_retry( retries); // set the number of auto retries
ctarget.set_timeout( timeout); // set timeout
ctarget.set_readcommunity( community); // set the read community name
#ifdef _SNMPv3
}
#endif
//-------[ issue the request, blocked mode ]-----------------------------
cout << "SNMP++ GetNext to " << argv[1] << " SNMPV"
#ifdef _SNMPv3
<< ((version==version3) ? (version) : (version+1))
#else
<< (version+1)
#endif
<< " Retries=" << retries
<< " Timeout=" << timeout * 10 <<"ms";
#ifdef _SNMPv3
if (version == version3)
cout << endl
<< "securityName= " << securityName.get_printable()
<< ", securityLevel= " << securityLevel
<< ", securityModel= " << securityModel << endl
<< "contextName= " << contextName.get_printable()
<< ", contextEngineID= " << contextEngineID.get_printable()
<< endl;
else
#endif
cout << " Community=" << community.get_printable() << endl << flush;
SnmpTarget *target;
#ifdef _SNMPv3
if (version == version3)
target = &utarget;
else
#endif
target = &ctarget;
status = snmp.get_next( pdu, *target);
if (status == SNMP_CLASS_SUCCESS)
{
pdu.get_vb( vb,0);
#ifdef _SNMPv3
if (pdu.get_type() == REPORT_MSG) {
cout << "Received a report pdu: "
<< snmp.error_msg(vb.get_printable_oid()) << endl;
}
#endif
cout << "Oid = " << vb.get_printable_oid() << endl
<< "Value = " << vb.get_printable_value() << endl;
}
else
{
cout << "SNMP++ GetNext Error, " << snmp.error_msg( status)
<< " (" << status <<")" << endl;
}
Snmp::socket_cleanup(); // Shut down socket subsystem
}
int main(int argc, char **argv)
{
int status;
char *req_str = (char*) "get";
// char *dflt_req_oid = (char*) sysDescr;
char *dflt_trp_oid = (char*) coldStart;
char *genAddrStr = (char*) "127.0.0.1" ; // localhost
char *oid_str = (char*) NULL;
if (argc > 1) genAddrStr = argv[1];
if (argc > 2) req_str = argv[2];
if (argc > 3) oid_str = argv[3];
Snmp::socket_startup(); // Initialize socket subsystem
IpAddress ipAddr(genAddrStr);
if (!ipAddr.valid()) {
cout << "Invalid destination: " << genAddrStr << endl;
return(1);
}
// bind to any port and use IPv6 if needed
Snmp snmp(status, 0, (ipAddr.get_ip_version() == Address::version_ipv6));
if (status) {
cout << "Failed to create SNMP Session: " << status << endl;
return(1);
}
cout << "Created session successfully" << endl;
CTarget target(ipAddr);
if (! target.valid()) {
cout << "Invalid target" << endl;
return(1);
}
Pdu pdu;
Vb vb;
if ( strcmp(req_str, "get") == 0 ) {
Vb vbl[NUM_SYS_VBS];
vbl[0].set_oid(sysDescr);
vbl[1].set_oid(sysObjectID);
vbl[2].set_oid(sysUpTime);
vbl[3].set_oid(sysContact);
vbl[4].set_oid(sysName);
vbl[5].set_oid(sysLocation);
// vbl[6].set_oid(sysServices);
cout << "Send a GET-REQUEST to: " << ipAddr.get_printable() << endl;
if ( ! oid_str ) {
if ( strcmp(genAddrStr,"localhost" ) == 0 ||
strcmp(genAddrStr, "127.0.0.1") == 0 ) {
pdu.set_vblist(vbl, NUM_SYS_VBS);
} else {
for (int i=0; i<NUM_SYS_VBS; i++)
pdu += vbl[i];
}
}
else {
Oid req_oid(oid_str);
if ( ! req_oid.valid() ) {
cout << "Request oid constructor failed for:" << oid_str << endl;
return(1);
}
vb.set_oid(req_oid);
pdu += vb;
}
status = snmp.get(pdu, target);
if (status) {
cout << "Failed to issue SNMP Get: (" << status << ") "
<< snmp.error_msg(status) << endl;
return(1);
}
else {
cout << "Issued get successfully" << endl;
int vbcount = pdu.get_vb_count();
if ( vbcount == NUM_SYS_VBS ) {
pdu.get_vblist(vbl, vbcount);
for ( int i=0; i<vbcount ; i++ ) {
cout << vbl[i].get_printable_oid() << " : " <<
vbl[i].get_printable_value() << endl;
}
} else {
for ( int i=0; i<vbcount ; i++ ) {
pdu.get_vb(vb, i);
cout << vb.get_printable_oid() << " : " <<
vb.get_printable_value() << endl;
}
}
}
}
else if ( strcmp(req_str, "trap") == 0 ) {
cout << "Send a TRAP to: " << ipAddr.get_printable() << endl;
if ( ! oid_str )
oid_str = dflt_trp_oid;
Oid notify_oid(oid_str);
if ( ! notify_oid.valid() ) {
cout << "Notify oid constructor failed for:" << oid_str << endl;
return(1);
}
pdu.set_notify_id(notify_oid);
// Use a simple payload
vb.set_oid(sysLocation);
vb.set_value("This is a test");
pdu += vb;
status = snmp.trap(pdu, target);
if (status) {
cout << "Failed to issue SNMP Trap: (" << status << ") "
<< snmp.error_msg(status) << endl;
return(1);
} else {
cout << "Success" << endl;
}
}
else {
cout << "Invalid SNMP operation: " << req_str << endl ;
cout << "Usage: " << argv[0] << " hostname [get | trap]" << endl;
return(1);
}
Snmp::socket_cleanup(); // Shut down socket subsystem
return(0);
}
int snmpget(char *ipaddr, char *oid_in)
{
Snmp::socket_startup(); // Initialize socket subsystem
UdpAddress address(ipaddr);// make a SNMP++ Generic address
if (!address.valid())
{ // check validity of address
cout << "Invalid Address or DNS Name, " << ipaddr << "\n";
// usage();
}
snmp_version version = version1; // default is v1
int retries = 1; // default retries is 1
int timeout = 100; // default is 1 second
u_short port = 161; // default snmp port is 161
OctetStr community("public"); // community name
int status;
Snmp snmp(status, 0, (address.get_ip_version() == Address::version_ipv6));
if (status != SNMP_CLASS_SUCCESS) {
cout << "SNMP++ Session Create Fail, " << snmp.error_msg(status) << "\n";
return 1;
}
Oid oid("1.3.6.1.2.1.1.1.0"); // default is sysDescr
Pdu pdu;
Vb vb;
oid = oid_in;
if (!oid.valid()){
cout << "Oid " << oid_in << " is not valid" << endl;
return 1;
}
vb.set_oid(oid); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
address.set_port(port);
CTarget ctarget(address); // make a target using the address
ctarget.set_version(version); // set the SNMP version SNMPV1 or V2
ctarget.set_retry(retries); // set the number of auto retries
ctarget.set_timeout(timeout); // set timeout
ctarget.set_readcommunity(community); // set the read community name
SnmpTarget *target;
target = &ctarget;
status = snmp.get(pdu, *target);
if (status == SNMP_CLASS_SUCCESS)
{
for (int i = 0; i < pdu.get_vb_count(); i++)
{
pdu.get_vb(vb, i);
cout << "**************************" << endl;
cout << "VB nr: " << i << endl;
cout << "Oid = " << vb.get_printable_oid() << endl
<< "Value = " << vb.get_printable_value() << endl;
cout << "Syntax = " << vb.get_syntax() << endl;
if ((vb.get_syntax() == sNMP_SYNTAX_ENDOFMIBVIEW) ||
(vb.get_syntax() == sNMP_SYNTAX_NOSUCHINSTANCE) ||
(vb.get_syntax() == sNMP_SYNTAX_NOSUCHOBJECT))
cout << "Exception: " << vb.get_syntax() << " occured." << endl;
}
}
else
{
cout << "SNMP++ Get Error, " << snmp.error_msg(status)
<< " (" << status << ")" << endl;
}
Snmp::socket_cleanup(); // Shut down socket subsystem
return 0;
}
void MainWindow::async_callback(int reason, Snmp * /*snmp*/, Pdu &pdu,
SnmpTarget &target)
{
Vb nextVb;
int pdu_error;
QString prefix_text;
QString notify_text;
push_button_get_next->setEnabled(true);
// What is the reason for this callback?
if (reason == SNMP_CLASS_NOTIFICATION)
{
prefix_text = "Trap: ";
// get the notify id for traps
Oid id;
pdu.get_notify_id(id);
notify_text = QString(" ID: %1 Type %2 -- ").arg(id.get_printable())
.arg(pdu.get_type());
}
else if (reason == SNMP_CLASS_ASYNC_RESPONSE)
{
prefix_text = "Response ";
}
else if (reason == SNMP_CLASS_TIMEOUT)
{
prefix_text = "Timeout ";
}
else
{
QString err = QString("\nDid not receive async response/trap: (%1) %2\n")
.arg(reason).arg(Snmp::error_msg(reason));
text_edit_output->append(err);
}
// Look at the error status of the Pdu
pdu_error = pdu.get_error_status();
if (pdu_error)
{
QString err = "\nResponse contains error:\n";
err += Snmp::error_msg(pdu_error);
text_edit_output->append(err);
return;
}
// The Pdu must contain at least one Vb
if (pdu.get_vb_count() == 0)
{
QString err = "\nPdu is empty\n";
text_edit_output->append(err);
return;
}
for (int i=0; i<pdu.get_vb_count(); i++)
{
// Get the Vb of the Pdu
pdu.get_vb(nextVb, i);
// Get Oid and value from the Vb and display it
line_edit_obj_id->setText(nextVb.get_printable_oid());
line_edit_value->setText(nextVb.get_printable_value());
text_edit_output->append(prefix_text +
target.get_address().get_printable() +
" -- " +
notify_text +
line_edit_obj_id->text() + " = " +
line_edit_value->text() + "\n");
}
// If we received a inform pdu, we have to send a response
if (pdu.get_type() == sNMP_PDU_INFORM)
{
text_edit_output->append("Sending response to inform.\n");
// just change the value of the first vb
pdu.get_vb(nextVb, 0);
nextVb.set_value("This is the response.");
pdu.set_vb(nextVb, 0);
snmp->response(pdu, target);
}
}
void* runable(void *data) {
//--------[ build up SNMP++ object needed ]-------------------------------
ssync.lock();
printf("HELLO:%s\n", community.get_printable());
int t = *((int*)data);
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid("1"); // set the Oid portion of the Vb
pdu += vb; // add the vb to the Pdu
CTarget ctarget(address[t]); // make a target using the address
#ifdef _SNMPv3
UTarget utarget(address[t]);
if (version == version3) {
utarget.set_version( version); // set the SNMP version SNMPV1 or V2 or V3
utarget.set_retry( retries); // set the number of auto retries
utarget.set_timeout( timeout); // set timeout
utarget.set_security_model( securityModel);
utarget.set_security_name( securityName);
pdu.set_security_level( securityLevel);
pdu.set_context_name (contextName);
pdu.set_context_engine_id(contextEngineID);
}
else {
#endif
ctarget.set_version( version); // set the SNMP version SNMPV1 or V2 or V3
ctarget.set_retry( retries); // set the number of auto retries
ctarget.set_timeout( timeout); // set timeout
ctarget.set_readcommunity( community); // set the read community to use
ctarget.set_writecommunity( community);
#ifdef _SNMPv3
}
#endif
//-------[ issue the request, blocked mode ]-----------------------------
cout << "(" << t << "): "
<< "SNMP++ snmpWalk to " << address[t].get_printable() << " SNMPV"
#ifdef _SNMPv3
<< ((version==version3) ? (version) : (version+1))
#else
<< (version+1)
#endif
<< " Retries=" << retries
<< " Timeout=" << timeout <<"ms";
#ifdef _SNMPv3
if (version == version3)
cout << endl
<< "securityName= " << securityName.get_printable()
<< ", securityLevel= " << securityLevel
<< ", securityModel= " << securityModel << endl
<< "contextName= " << contextName.get_printable()
<< ", contextEngineID= " << contextEngineID.get_printable()
<< endl;
else
#endif
cout << " Community=" << community.get_printable() << endl << flush;
SnmpTarget *target;
#ifdef _SNMPv3
if (version == version3)
target = &utarget;
else
#endif
target = &ctarget;
int status = 0;
int requests = 0;
int objects = 0;
ssync.unlock();
while (( status = snmp->get_bulk( pdu,*target,0,BULK_MAX))
== SNMP_CLASS_SUCCESS)
{
requests++;
ssync.lock();
for ( int z=0;z<pdu.get_vb_count(); z++) {
pdu.get_vb( vb,z);
#ifdef _SNMPv3
if (pdu.get_type() == REPORT_MSG) {
Oid tmp;
vb.get_oid(tmp);
cout << "(" << t << "): " << "Received a reportPdu: "
<< snmp->error_msg( tmp)
<< endl
<< vb.get_printable_oid() << " = "
<< vb.get_printable_value() << endl;
ssync.unlock();
return 0;
}
#endif
objects++;
// look for var bind exception, applies to v2 only
if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
cout << "(" << t << "): "
<< vb.get_printable_oid() << " = ";
cout << vb.get_printable_value() << "\n";
}
else {
cout << "(" << t << "): "
<< "End of MIB Reached\n";
cout << "(" << t << "): "
<< "Total # of Requests = " << requests << "\n";
cout << "(" << t << "): "
<< "Total # of Objects = " << objects << "\n";
ssync.unlock();
return 0;
}
}
ssync.unlock();
// last vb becomes seed of next rquest
pdu.set_vblist(&vb, 1);
}
if ( status != SNMP_ERROR_NO_SUCH_NAME)
cout << "(" << t << "): "
<< "SNMP++ snmpWalk Error, " << snmp->error_msg( status) << "\n";
cout << "(" << t << "): "
<< "Total # of Requests = " << requests << "\n";
cout << "(" << t << "): "
<< "Total # of Objects = " << objects << "\n";
return 0;
} // end Walk
