/////////////////////////////////////////////////////////////////////////////
// 函数：SetRequest //
// 说明：设置简单变量的结果 //
// 参数：无 //
// 返回值： //
// 成功返回0，否则返回一个非0 值 //
/////////////////////////////////////////////////////////////////////////////
int BasicSNMP::SetRequest()
{
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
vb.set_value(m_nOIDValue); // set the Oid portion of the Vb
pdu += vb;
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
}
nResult = pSnmp->set(pdu,*target);//Get Reques
return nResult;
}
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;
}
void getapp::result(Snmp *, int rc)
{
Vb vb;
if (rc < 0)
{
const char *ptr = snmp_.error_string();
cout << "ASNMP:ERROR: get command failed reason: " << ptr << endl;
}
else
{
// check to see if there are any errors
if (pdu_.get_error_status())
{
cout << "ERROR: agent replied as follows\n";
cout << pdu_.agent_error_reason() << endl;
}
else
{
VbIter iter(pdu_);
while (iter.next(vb))
{
cout << "\tOid = " << vb.to_string_oid() << "\n";
cout << "\tValue = " << vb.to_string_value() << "\n";
}
}
}
cout << "\nASNMP:INFO: command completed normally.\n"<< endl;
ACE_Reactor::instance()->end_reactor_event_loop();
}
walkapp::walkapp(int argc, char *argv[]): valid_(0)
{
Oid req, def_oid("1.3.6.1.2.1.1.1.0"); // default begin walk with MIBII
if ( argc < 2)
return;
address_ = argv[argc - 1];
if ( !address_.valid()) {
cout << "ERROR: Invalid IPv4 address or DNS hostname: " \
<< argv[argc] << "\n";
return;
}
ACE_Argv_Type_Converter to_tchar (argc, argv);
ACE_Get_Opt get_opt (argc,
to_tchar.get_TCHAR_argv (),
ACE_TEXT ("o:c:r:t:"));
for (int c; (c = get_opt ()) != -1; )
switch (c)
{
case 'o':
req = ACE_TEXT_ALWAYS_CHAR (get_opt.opt_arg());
if (req.valid() == 0)
cout << "ERROR: oid value: "
<< ACE_TEXT_ALWAYS_CHAR (get_opt.opt_arg())
<< "is not valid. using default.\n";
break;
case 'c':
community_ = ACE_TEXT_ALWAYS_CHAR (get_opt.opt_arg());
target_.set_read_community(community_);
break;
case 'r':
target_.set_retry(ACE_OS::atoi (get_opt.opt_arg()));
break;
case 't':
target_.set_timeout(ACE_OS::atoi (get_opt.opt_arg()));
break;
default:
break;
}
Vb vb; // construct a Vb object
if (req.valid())
vb.set_oid( req); // set the Oid portion of the Vb
else {
vb.set_oid( def_oid); // set the Oid portion of the Vb
}
pdu_ += vb;
vb.get_oid(oid_); // store for later use
valid_ = 1;
}
int getapp::run()
{
//----------[ create a ASNMP session ]-----------------------------------
if ( snmp_.valid() != SNMP_CLASS_SUCCESS) {
cout << "\nASNMP:ERROR:Create session failed: "<<
snmp_.error_string()<< "\n";
return 1;
}
//--------[ build up ASNMP object needed ]-------------------------------
if (address_.get_port() == 0)
address_.set_port(DEF_AGENT_PORT);
target_.set_address( address_); // make a target using the address
//-------[ issue the request, blocked mode ]-----------------------------
cout << "\nASNMP:INFO:SNMP Version " << (target_.get_version()+ 1) << \
" GET SAMPLE PROGRAM \nOID: " << oid_.to_string() << "\n";
target_.get_address(address_); // target updates port used
int rc;
const char *name = address_.resolve_hostname(rc);
cout << "Device: " << address_ << " ";
//FUZZ: disable check_for_lack_ACE_OS
cout << (rc ? "<< did not resolve via gethostbyname() >>" : name) << "\n";
//FUZZ: enable check_for_lack_ACE_OS
cout << "[ Retries=" << target_.get_retry() << " \
Timeout=" << target_.get_timeout() <<" ms " << "Community=" << \
community_.to_string() << " ]"<< endl;
if (snmp_.get( pdu_, target_) == SNMP_CLASS_SUCCESS) {
Vb vb;
// check to see if there are any errors
if (pdu_.get_error_status()) {
cout << "ERROR: agent replied as follows\n";
cout << pdu_.agent_error_reason() << endl;
}
else {
VbIter iter(pdu_);
while (iter.next(vb)) {
cout << "\tOid = " << vb.to_string_oid() << "\n";
cout << "\tValue = " << vb.to_string_value() << "\n";
}
}
}
else {
const char *ptr = snmp_.error_string();
cout << "ASNMP:ERROR: get command failed reason: " << ptr << endl;
}
cout << "\nASNMP:INFO: command completed normally.\n"<< endl;
return 0;
}
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;
}
getapp::getapp(int argc, char *argv[]): valid_(0)
{
Oid req, def_oid("1.3.6.1.2.1.1.1.0"); // default is sysDescr
if ( argc < 2)
return;
address_ = argv[argc - 1];
if ( !address_.valid()) {
cout << "ERROR: Invalid IPv4 address or DNS hostname: " \
<< argv[argc] << "\n";
return;
}
ACE_Get_Opt get_opt (argc, argv, "o:c:r:t:p:");
for (int c; (c = get_opt ()) != -1; )
switch (c)
{
case 'o':
req = get_opt.optarg;
if (req.valid() == 0)
cout << "ERROR: oid value: " <<get_opt.optarg \
<< "is not valid. using default.\n";
break;
case 'c':
community_ = get_opt.optarg;
target_.set_read_community(community_);
break;
case 'r':
target_.set_retry(ACE_OS::atoi (get_opt.optarg));
break;
case 't':
target_.set_timeout(ACE_OS::atoi (get_opt.optarg));
break;
default:
break;
}
Vb vb; // construct a Vb object
if (req.valid())
vb.set_oid( req); // set the Oid portion of the Vb
else {
vb.set_oid( def_oid); // set the Oid portion of the Vb
}
pdu_ += vb;
vb.get_oid(oid_); // store for later use
valid_ = 1;
}
int walkapp::run()
{
//----------[ create a ASNMP session ]-----------------------------------
if ( snmp_.valid() != SNMP_CLASS_SUCCESS) {
cout << "\nASNMP:ERROR:Create session failed: "<<
snmp_.error_string()<< "\n";
return 1;
}
//--------[ build up ASNMP object needed ]-------------------------------
if (address_.get_port() == 0)
address_.set_port(DEF_AGENT_PORT);
target_.set_address( address_); // make a target using the address
//-------[ issue the request, blocked mode ]-----------------------------
cout << "\nASNMP:INFO:SNMP Version " << (target_.get_version()+ 1) << \
" WALK SAMPLE PROGRAM \nOID: " << oid_.to_string() << "\n";
target_.get_address(address_); // target updates port used
int rc;
const char *name = address_.resolve_hostname(rc);
cout << "Device: " << address_ << " ";
//FUZZ: disable check_for_lack_ACE_OS
cout << (rc ? "<< did not resolve via gethostbyname() >>" : name) << "\n";
//FUZZ: enable check_for_lack_ACE_OS
cout << "[ Retries=" << target_.get_retry() << " \
Timeout=" << target_.get_timeout() <<" ms " << "Community=" << \
community_.to_string() << " ]"<< endl;
MibIter iter(&snmp_, pdu_, &target_);
char *err_str = 0;
Vb vb;
unsigned ctr = 0;
while (iter.next(vb, err_str)) {
cout << "\tOid = " << vb.to_string_oid() << "\n";
cout << "\tValue = " << vb.to_string_value() << "\n";
ctr++;
}
if (!err_str) {
cout << "ERROR: walk: " << err_str << endl;
return 0;
}
cout << "ASNMP:INFO:command completed normally. ACE Rocks...\n"<< endl;
return 0;
}
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;
}
const char *Pdu::agent_error_reason()
{
int pdu_err = get_error_status();
if (pdu_err == 0) // any real error?
return "not in error state";
int n_vbs = get_vb_count();
Vb bad;
get_vb(bad, get_error_index() -1); // not zero based??
const char *pmsg = Snmp::error_string(get_error_status());
const char *id = bad.to_string_oid();
const char *val = bad.to_string_value();
const int HDR_SZ = 100;
if (!output_) {
int size = ACE_OS::strlen(pmsg) + ACE_OS::strlen(id) +
ACE_OS::strlen(val);
ACE_NEW_RETURN(output_, char[size + HDR_SZ], "");
}
// this routine makes up the brains of the agent
// it knows only the MIB II system group set of variables for a get operation
int agent_impl::get_response(Vb& vb)
{
// these objects represent the MIB II system group per RFC 1213
static Oid sysDescr("1.3.6.1.2.1.1.1.0"),
sysObjectID("1.3.6.1.2.1.1.2.0"), sysUpTime("1.3.6.1.2.1.1.3.0"),
sysContact("1.3.6.1.2.1.1.4.0"), sysName("1.3.6.1.2.1.1.5.0"),
sysLocation("1.3.6.1.2.1.1.6.0"), sysServices("1.3.6.1.2.1.1.7.0");
Oid oid;
vb.get_oid(oid);
if (oid == sysDescr) {
OctetStr desc("ASNMP Prototype Agent 1.0");
vb.set_value(desc);
}
else if (oid == sysObjectID) { // the IANA gives assigns Enterprise Numbers
// see ftp://ftp.isi.edu/in-notes/iana/assignments/enterprise-numbers
// for the official list of enterprise numbers. Then under this tree
// assign a unique subtree to identify this agent
Oid id("1.3.6.1.4.1.2533.9.1");
vb.set_value(id);
}
else if (oid == sysUpTime) {
ACE_Time_Value tv;
agent_clock_.elapsed_time (tv);
TimeTicks tt(tv.msec());
vb.set_value(tt);
}
else if (oid == sysContact) {
OctetStr contact("*****@*****.**");
vb.set_value(contact);
}
else if (oid == sysName) {
OctetStr fqdn("foo.org"); // extract this from the gethostbyname() TODO
vb.set_value(fqdn);
}
else if (oid == sysLocation) {
OctetStr loc("");
vb.set_value(loc);
}
else if (oid == sysServices) {
SnmpInt32 svcs(72);
vb.set_value(svcs);
}
else
return 1; // noSuchName
return 0;
}
// determine the smi type and get a value from the user
int determine_vb( SmiUINT32 val, Vb &vb)
{
char buffer[255];
if (val == sNMP_SYNTAX_NOSUCHINSTANCE)
{
cout << "Instance does not exists but can be created.\n";
cout << "Please enter one of the following types:\n\n";
cout << "Integer: " << sNMP_SYNTAX_INT << "\n";
cout << "Bits: " << sNMP_SYNTAX_BITS << "\n";
cout << "STRING: " << sNMP_SYNTAX_OCTETS << "\n";
cout << "Oid: " << sNMP_SYNTAX_OID << "\n";
cout << "IpAddress:" << sNMP_SYNTAX_IPADDR << "\n\n";
cout << "Please choose value type: ";
cin >> val;
vb.set_syntax(val);
}
// 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 wpdu::restore_vbs(Pdu& pdu, const snmp_pdu *raw_pdu) const
{
Vb tempvb;
Oid tempoid;
struct variable_list *vp;
for(vp = raw_pdu->variables; vp; vp = vp->next_variable) {
// extract the oid portion
tempoid.set_data( (unsigned long *)vp->name,
( unsigned int) vp->name_length);
tempvb.set_oid( tempoid);
// extract the value portion
switch(vp->type) {
// octet string
case sNMP_SYNTAX_OCTETS:
case sNMP_SYNTAX_OPAQUE:
{
OctetStr octets( (char *) vp->val.string,
(long) vp->val_len);
tempvb.set_value( octets);
}
break;
// object id
case sNMP_SYNTAX_OID:
{
Oid oid( (unsigned long*) vp->val.objid,
(int) vp->val_len);
tempvb.set_value( oid);
}
break;
// timeticks
case sNMP_SYNTAX_TIMETICKS:
{
TimeTicks timeticks( (unsigned long) *(vp->val.integer));
tempvb.set_value( timeticks);
}
break;
// Gauge32
case sNMP_SYNTAX_GAUGE32:
{
Gauge32 gauge32( (unsigned long) *(vp->val.integer));
tempvb.set_value( gauge32);
}
break;
// 32 bit counter
case sNMP_SYNTAX_CNTR32:
{
Counter32 counter32( (unsigned long) *(vp->val.integer));
tempvb.set_value( counter32);
}
break;
// ip address
case sNMP_SYNTAX_IPADDR:
{
char buffer[20];
ACE_OS::sprintf( buffer,"%d.%d.%d.%d",
vp->val.string[0],
vp->val.string[1],
vp->val.string[2],
vp->val.string[3]);
IpAddress ipaddress( buffer);
tempvb.set_value( ipaddress);
}
break;
// 32 bit integer
case sNMP_SYNTAX_INT:
{
SnmpInt32 int32( (long) *(vp->val.integer));
tempvb.set_value( int32);
}
break;
// 32 bit unsigned integer
case sNMP_SYNTAX_UINT32:
{
SnmpUInt32 uint32( (unsigned long) *(vp->val.integer));
tempvb.set_value( uint32);
}
break;
// v2 counter 64's
case sNMP_SYNTAX_CNTR64:
break;
case sNMP_SYNTAX_NULL:
tempvb.set_null();
break;
// v2 vb exceptions
case sNMP_SYNTAX_NOSUCHOBJECT:
case sNMP_SYNTAX_NOSUCHINSTANCE:
case sNMP_SYNTAX_ENDOFMIBVIEW:
set_exception_status( &tempvb, vp->type);
break;
default:
tempvb.set_null();
} // end switch
// append the vb to the pdu
pdu += tempvb;
}
return 0;
}
int wpdu::convert_vb_to_smival( Vb &tempvb, SmiVALUE *smival )
{
smival->syntax = tempvb.get_syntax();
switch ( smival->syntax ) {
case sNMP_SYNTAX_NULL:
break;
// case sNMP_SYNTAX_INT32:
case sNMP_SYNTAX_INT:
{
SnmpInt32 tmp;
tempvb.get_value(tmp);
smival->value.sNumber = tmp;
}
break;
// case sNMP_SYNTAX_UINT32:
case sNMP_SYNTAX_GAUGE32:
case sNMP_SYNTAX_CNTR32:
case sNMP_SYNTAX_TIMETICKS:
{
SnmpUInt32 tmp;
tempvb.get_value(tmp);
smival->value.uNumber = tmp;
}
break;
// case Counter64
case sNMP_SYNTAX_CNTR64:
{
Counter64 c64;
tempvb.get_value(c64);
smival->value.hNumber.hipart = c64.high();
smival->value.hNumber.lopart = c64.low();
}
break;
// OID syntax
case sNMP_SYNTAX_OID:
{
Oid tmpoid;
tmpoid.oidval();
tempvb.get_value(tmpoid);
SmiLPOID smi = tmpoid.oidval();
smival->value.oid.len = tmpoid.length();
ACE_NEW_RETURN(smival->value.oid.ptr,
SmiUINT32 [smival->value.oid.len], 1);
ACE_OS::memcpy(smival->value.oid.ptr, smi->ptr,
smival->value.oid.len *sizeof(SmiUINT32));
}
break;
case sNMP_SYNTAX_BITS:
case sNMP_SYNTAX_OCTETS:
case sNMP_SYNTAX_IPADDR:
{
OctetStr os;
tempvb.get_value(os);
smival->value.string.ptr = 0;
smival->value.string.len = os.length();
if ( smival->value.string.len > 0 ) {
ACE_NEW_RETURN(smival->value.string.ptr,
SmiBYTE [smival->value.string.len], 1);
if ( smival->value.string.ptr ) {
for (int i=0; i<(int) smival->value.string.len ; i++)
smival->value.string.ptr[i] = os[i];
}
else {
smival->syntax = sNMP_SYNTAX_NULL; // invalidate the smival
return SNMP_CLASS_RESOURCE_UNAVAIL;
}
}
}
break;
default:
ACE_DEBUG((LM_DEBUG, "wpdu::convert_vb_to_smival did not convert vb\n"));
// ACE_ASSERT(0);
} // switch
return 0;
}
/////////////////////////////////////////////////////////////////////////////
// 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;
}
// Send a report message.
int v3MP::send_report(unsigned char* scopedPDU, int scopedPDULength,
struct snmp_pdu *pdu, int errorCode, int sLevel,
int sModel, OctetStr &sName,
UdpAddress &destination, Snmp *snmp_session)
{
debugprintf(2, "v3MP::send_report: Sending report message.");
unsigned char *data;
int dataLength;
int pdu_type = 0;
unsigned char cEngineID[MAXLENGTH_ENGINEID+1];
unsigned char cName[MAXLENGTH_CONTEXT_NAME+1];
int cEngineIDLength = MAXLENGTH_ENGINEID+1;
int cNameLength = MAXLENGTH_CONTEXT_NAME+1;
debugprintf(2, "v3MP::send_report: securityLevel %d",sLevel);
if (scopedPDULength != MAX_SNMP_PACKET)
{
// try to get scopedPDU and PDU
data = asn1_parse_scoped_pdu(scopedPDU, &scopedPDULength,
cEngineID, &cEngineIDLength,
cName, &cNameLength);
if (data == NULL) {
debugprintf(1, "mp: Error while trying to parse scopedPDU!");
cEngineID[0] = '\0';
cEngineIDLength = 0;
cName[0] = '\0';
cNameLength = 0;
// Dont send encrypted report if decryption failed:
//if (sLevel == SNMP_SECURITY_LEVEL_AUTH_PRIV)
// sLevel = SNMP_SECURITY_LEVEL_AUTH_NOPRIV;
}
else { // data != NULL
dataLength = scopedPDULength;
// parse data of scopedPDU
snmp_parse_data_pdu(pdu, data, dataLength);
pdu_type = pdu->command;
if (!data) {
debugprintf(0, "mp: Error while trying to parse PDU!");
}
} // end of: if (data == NULL)
} // end if (scopedPDULength != MAX_SNMP_PACKET)
else { // scopedPDULength == MAX_SNMP_PACKET
cEngineID[0] = '\0';
cEngineIDLength = 0;
cName[0] = '\0';
cNameLength = 0;
pdu->reqid = 0;
}
clear_pdu(pdu); // Clear pdu and free all content
debugprintf(4, "pdu->reqid = %ld",pdu->reqid);
pdu->errstat = 0;
pdu->errindex = 0;
pdu->command = REPORT_MSG;
Vb counterVb;
Oid counterOid;
SmiLPOID smioid;
SmiVALUE smival;
switch (errorCode) {
case SNMPv3_MP_INVALID_MESSAGE:
case SNMPv3_USM_PARSE_ERROR: {
counterVb.set_oid(oidSnmpInvalidMsgs);
counterVb.set_value(Counter32(get_stats_invalid_msgs()));
break;
}
case SNMPv3_USM_NOT_IN_TIME_WINDOW:
case SNMPv3_MP_NOT_IN_TIME_WINDOW: {
counterVb.set_oid(oidUsmStatsNotInTimeWindows);
counterVb.set_value(Counter32(usm->get_stats_not_in_time_windows()));
break;
}
case SNMPv3_USM_DECRYPTION_ERROR: {
counterVb.set_oid(oidUsmStatsDecryptionErrors);
counterVb.set_value(Counter32(usm->get_stats_decryption_errors()));
//sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
break;
}
case SNMPv3_USM_AUTHENTICATION_ERROR:
case SNMPv3_USM_AUTHENTICATION_FAILURE: {
counterVb.set_oid(oidUsmStatsWrongDigests);
counterVb.set_value(Counter32(usm->get_stats_wrong_digests()));
//sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
break;
}
case SNMPv3_USM_UNKNOWN_ENGINEID:
case SNMPv3_MP_INVALID_ENGINEID: {
//sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
counterVb.set_oid(oidUsmStatsUnknownEngineIDs);
counterVb.set_value(Counter32(usm->get_stats_unknown_engine_ids()));
break;
}
case SNMPv3_MP_UNSUPPORTED_SECURITY_MODEL: {
counterVb.set_oid(oidSnmpUnknownSecurityModels);
counterVb.set_value(Counter32(get_stats_unknown_security_models()));
sModel = SNMP_SECURITY_MODEL_USM;
sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
break;
}
case SNMPv3_USM_UNKNOWN_SECURITY_NAME: {
counterVb.set_oid(oidUsmStatsUnknownUserNames);
counterVb.set_value(Counter32(usm->get_stats_unknown_user_names()));
sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
debugprintf(2, "Report: SecurityName: %s",sName.get_printable());
break;
}
case SNMPv3_USM_UNSUPPORTED_SECURITY_LEVEL: {
counterVb.set_oid(oidUsmStatsUnsupportedSecLevels);
counterVb.set_value(Counter32(usm->get_stats_unsupported_sec_levels()));
sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
break;
}
default: {
counterVb.set_oid(oidSnmpInvalidMsgs);
counterVb.set_value(Counter32(get_stats_invalid_msgs()));
sModel = SNMP_SECURITY_MODEL_USM;
sLevel = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV;
sName.set_data(0, 0);
debugprintf(2, "ErrorCode was %i in snmp_parse", errorCode);
}
} // end switch
counterVb.get_oid(counterOid);
smioid = counterOid.oidval();
int status = convertVbToSmival(counterVb, &smival);
if (status != SNMP_CLASS_SUCCESS) {
return SNMPv3_MP_ERROR;
}
snmp_add_var(pdu, smioid->ptr,
(int) smioid->len, &smival);
freeSmivalDescriptor(&smival);
Buffer<unsigned char> sendbuffer(MAX_SNMP_PACKET);
int sendbufferlen= MAX_SNMP_PACKET;
status = snmp_build( pdu, sendbuffer.get_ptr(), &sendbufferlen,
own_engine_id_oct, sName, sModel, sLevel,
OctetStr(cEngineID, cEngineIDLength),
OctetStr(cName, cNameLength));
if (status != SNMPv3_MP_OK) {
debugprintf(2, "v3MP::send_report: error serializing message (mpSnmpBuild returns: %i).", status);
return SNMPv3_MP_ERROR;
}
SnmpSocket send_fd = INVALID_SOCKET;
if (pdu_type == sNMP_PDU_INFORM)
{
debugprintf(4, "Received a snmpInform pdu.");
if (snmp_session->get_eventListHolder()->notifyEventList())
send_fd = snmp_session->get_eventListHolder()->notifyEventList()->get_notify_fd();
}
status = snmp_session->send_raw_data(sendbuffer.get_ptr(),
(size_t)sendbufferlen,// pdu to send
destination, // target address
send_fd); // the fd to use
if ( status != 0)
{
debugprintf(1, "v3MP::send_report: error sending message (%i)", status);
return SNMPv3_MP_ERROR;
}
debugprintf(3, "v3MP::send_report: Report sent.");
return SNMPv3_MP_OK;
}
set::set(int argc, char *argv[]): valid_(0)
{
Vb vb; // construct a Vb object
Oid req;
if ( argc < 2)
return;
target_.get_write_community(community_);
address_ = argv[argc - 1];
if ( !address_.valid()) {
cout << "ERROR: Invalid IPv4 address or DNS hostname: " \
<< argv[argc] << "\n";
return;
}
ACE_Get_Opt get_opt (argc, argv, "o:c:r:t:I:U:C:G:T:O:S:P:");
for (int c; (c = get_opt ()) != -1; )
switch (c)
{
case 'o':
req = get_opt.optarg;
if (req.valid() == 0)
cout << "ERROR: oid value: " <<get_opt.optarg \
<< "is not valid. using default.\n";
break;
case 'c':
community_ = get_opt.optarg;
target_.set_write_community(community_);
break;
case 'r':
target_.set_retry(ACE_OS::atoi (get_opt.optarg));
break;
case 't':
target_.set_timeout(ACE_OS::atoi (get_opt.optarg));
break;
case 'I': // Integer32
{
SnmpInt32 o(ACE_OS::atoi(get_opt.optarg));
vb.set_value(o);
pdu_ += vb;
}
break;
case 'U': // Unsigned32
{
SnmpUInt32 o(ACE_OS::atoi(get_opt.optarg));
vb.set_value(o);
pdu_ += vb;
}
break;
case 'C': // Counter32
{
Counter32 o(ACE_OS::atoi(get_opt.optarg));
vb.set_value(o);
pdu_ += vb;
}
break;
case 'G': // Gauge32
{
Gauge32 o(ACE_OS::atoi(get_opt.optarg));
vb.set_value(o);
pdu_ += vb;
}
break;
case 'T': // TimeTicks
{
TimeTicks o(ACE_OS::atoi(get_opt.optarg));
vb.set_value(o);
pdu_ += vb;
}
break;
case 'O': // Oid as a variable identifier
{
oid_ = get_opt.optarg;
vb.set_oid(oid_); // when value is set, pdu updated
}
break;
case 'S': // Octet String
{
OctetStr o(get_opt.optarg);
vb.set_value(o); // set the Oid portion of the Vb
pdu_ += vb;
}
break;
case 'P': // Oid String as a value
{
Oid o(get_opt.optarg);
vb.set_value(o); // set the Oid portion of the Vb
pdu_ += vb;
}
break;
default:
break;
}
// if user didn't set anything use defaults
if (pdu_.get_vb_count() == 0) {
Oid def_oid("1.3.6.1.2.1.1.4.0"); // defualt is sysName
OctetStr def_value("sysName.0 updated by ASNMP set command");
vb.set_oid(def_oid);
vb.set_value(def_value);
pdu_ += vb;
cout << "INFO: using defaults, setting sysName to : " << \
def_value.to_string() << endl;
}
valid_ = 1;
}
int main(int argc, char **argv)
{
//---------[ check the arg count ]----------------------------------------
if ( argc < 4 )
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();
}
OctetStr newUser, newPassword;
if (((strstr( argv[2],"-")==0) && (strstr( argv[3],"-")==0))) {
newUser = argv[2];
newPassword = argv[3];
}
else
{
cout << "wrong parameters..." << endl;
return 1;
}
//---------[ 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
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;
OctetStr engineID;
v3MP *v3_MP;
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
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;
}
if ( strstr( argv[x],"-e")!=0) {
ptr = argv[x]; ptr+=2;
engineID = OctetStr::from_hex_string(ptr);
continue;
}
}
//----------[ 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 ]--------------------------------------------
if (version == version3) {
OctetStr engineId = "snmpPasswd";
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 = 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);
}
//--------[ build up SNMP++ object needed ]-------------------------------
Pdu pdu; // construct a Pdu object
Vb vb; // construct a Vb object
vb.set_oid(Oid("1.3.6.1.2.1.1.1.0")); // 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
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 {
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
}
//-------[ issue the request, blocked mode ]-----------------------------
cout << "SNMP++ Get to " << argv[1] << " SNMPV"
<< ((version==version3) ? (version) : (version+1))
<< " Retries=" << retries
<< " Timeout=" << timeout * 10 <<"ms";
if (version == version3)
cout << endl
<< "securityName= " << securityName.get_printable()
<< ", securityLevel= " << securityLevel
<< ", securityModel= " << securityModel << endl
<< "contextName= " << contextName.get_printable()
<< ", contextEngineID= " << contextEngineID.get_printable()
<< endl;
else
cout << " Community=" << community.get_printable() << endl << flush;
SnmpTarget *target;
if (version == version3)
target = &utarget;
else
target = &ctarget;
Pdu pduKeyChange;
if (version == version3) {
pduKeyChange.set_security_level( securityLevel);
pduKeyChange.set_context_name (contextName);
pduKeyChange.set_context_engine_id(contextEngineID);
}
snmp.get( pdu, *target);
KeyChange(&snmp, pduKeyChange, newUser, newPassword, *target, AUTHKEY);
Snmp::socket_cleanup(); // Shut down socket subsystem
}
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);
}
}
/////////////////////////////////////////////////////////////////////////////
// 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;
}
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;
}
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 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;
}
// issue a GET-NEXT request
void MainWindow::push_button_get_next_clicked()
{
int status;
if (!snmp)
return;
push_button_get_next->setEnabled(false);
// Create a Oid and a address object from the entered values
Oid oid(line_edit_obj_id->text());
UdpAddress address(line_edit_target->text());
// check if the address is valid
// One problem here: if a hostname is entered, a blocking DNS lookup
// is done by the address object.
if (!address.valid())
{
QString err = QString("\nInvalid Address or DNS Name: %1\n")
.arg(line_edit_target->text());
text_edit_output->append(err);
push_button_get_next->setEnabled(true);
return;
}
Pdu pdu; // empty Pdu
Vb vb; // empty Vb
SnmpTarget *target; // will point to a CTarget(v1/v2c) or UTarget (v3)
// Set the Oid part of the Vb
vb.set_oid(oid);
// Add the Vb to the Pdu
pdu += vb;
// Get retries and timeout values
int retries = spin_box_retries->value();
int timeout = 100 * spin_box_timeout->value();
if (radio_button_v3->isChecked())
{
// For SNMPv3 we need a UTarget object
UTarget *utarget = new UTarget(address);
utarget->set_version(version3);
utarget->set_security_model(SNMP_SECURITY_MODEL_USM);
utarget->set_security_name(combo_box_sec_name->currentText());
target = utarget;
// set the security level to use
if (combo_box_sec_level->currentText() == "noAuthNoPriv")
pdu.set_security_level(SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV);
else if (combo_box_sec_level->currentText() == "authNoPriv")
pdu.set_security_level(SNMP_SECURITY_LEVEL_AUTH_NOPRIV);
else
pdu.set_security_level(SNMP_SECURITY_LEVEL_AUTH_PRIV);
// Not needed, as snmp++ will set it, if the user does not set it
pdu.set_context_name(line_edit_context_name->text());
pdu.set_context_engine_id(line_edit_context_engine_id->text());
}
else
{
// For SNMPv1/v2c we need a CTarget
CTarget *ctarget = new CTarget(address);
if (radio_button_v2->isChecked())
ctarget->set_version(version2c);
else
ctarget->set_version(version1);
// set the community
ctarget->set_readcommunity( line_edit_community->text());
target = ctarget;
}
target->set_retry(retries); // set the number of auto retries
target->set_timeout(timeout); // set timeout
// Now do an async get_next
status = snmp->get_next(pdu, *target, callback, this);
// Could we send it?
if (status == SNMP_CLASS_SUCCESS)
{
timer.start(100);
}
else
{
QString err = QString("\nCould not send async GETNEXT request: %1\n")
.arg(Snmp::error_msg(status));
text_edit_output->append(err);
push_button_get_next->setEnabled(true);
}
// the target is no longer needed
delete target;
}
int main(int argc, char **argv)
{
//---------[ check the arg count ]----------------------------------------
if ( argc < 2) {
cout << "Usage:\n";
cout << argv[0] << " IpAddress | DNSName [Oid] [options]\n";
cout << "Oid: sysDescr object is default\n";
cout << "options: -vN , use SNMP version 1, 2 or 3, default is 1\n";
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";
#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 empty string" << endl;
cout << " -ceContextEngineID, as hex e.g. 800007E580, default empty string" << endl;
cout << " -authPROT, use authentication protocol NONE, SHA or MD5\n";
cout << " -privPROT, use privacy protocol NONE, DES, 3DESEDE, IDEA, AES128, AES192 or AES256\n";
cout << " -uaAuthPassword\n";
cout << " -upPrivPassword\n";
#endif
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;
}
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";
return 1;
}
}
}
//---------[ 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 = 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],"-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],"-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
authProtocol = SNMP_AUTHPROTOCOL_NONE;
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
privProtocol = SNMP_PRIVPROTOCOL_NONE;
printf("\n\nPrivProt : %ld\n", privProtocol);
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 = 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) {
char *engineId = "snmpNextAsync";
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 ]-------------------------------
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, callback,NULL);
if (status == SNMP_CLASS_SUCCESS)
{
cout << "Async GetNext Request sent." << endl;
}
else
cout << "SNMP++ GetNext Error, " << snmp.error_msg( status)
<< " (" << status <<")" << endl ;
for (int t=1; t<=10; t++)
{
snmp.eventListHolder->SNMPProcessPendingEvents();
#ifdef WIN32
Sleep(1000);
#else
sleep(1);
#endif
}
Snmp::socket_cleanup(); // Shut down socket subsystem
}
/////////////////////////////////////////////////////////////////////////////
// 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;
}
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;
}
