///////////////////////////////////////////////////////////////////////////// // 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; }
// 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 }
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(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 }
///////////////////////////////////////////////////////////////////////////// // 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_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 }
// unload the data into SNMP++ objects int SnmpMessage::unload(Pdu &pdu, // Pdu object OctetStr &community, // community object snmp_version &version, // SNMP version # OctetStr *engine_id, // optional v3 OctetStr *security_name, // optional v3 long int *security_model, UdpAddress *from_addr, Snmp *snmp_session) { pdu.clear(); if (!valid_flag) return SNMP_CLASS_INVALID; snmp_pdu *raw_pdu; raw_pdu = snmp_pdu_create(0); // do a "snmp_free_pdu( raw_pdu)" before return int status; #ifdef _SNMPv3 OctetStr context_engine_id; OctetStr context_name; long int security_level = SNMP_SECURITY_LEVEL_NOAUTH_NOPRIV; if ((security_model) && (security_name) && (engine_id) && (snmp_session)) { status = v3MP::I->snmp_parse(snmp_session, raw_pdu, databuff, (int)bufflen, *engine_id, *security_name, context_engine_id, context_name, security_level, *security_model, version, *from_addr); if (status != SNMPv3_MP_OK) { pdu.set_request_id( raw_pdu->reqid); pdu.set_type( raw_pdu->command); snmp_free_pdu( raw_pdu); return status; } pdu.set_context_engine_id(context_engine_id); pdu.set_context_name(context_name); pdu.set_security_level(security_level); pdu.set_message_id(raw_pdu->msgid); pdu.set_maxsize_scopedpdu(raw_pdu->maxsize_scopedpdu); } else { #endif unsigned char community_name[MAX_LEN_COMMUNITY + 1]; int community_len = MAX_LEN_COMMUNITY + 1; status = snmp_parse(raw_pdu, databuff, (int) bufflen, community_name, community_len, version); if (status != SNMP_CLASS_SUCCESS) { snmp_free_pdu(raw_pdu); return status; } community.set_data( community_name, community_len); #ifdef _SNMPv3 } #endif // load up the SNMP++ variables pdu.set_request_id(raw_pdu->reqid); pdu.set_error_status((int) raw_pdu->errstat); pdu.set_error_index((int) raw_pdu->errindex); pdu.set_type( raw_pdu->command); // deal with traps a little different if ( raw_pdu->command == sNMP_PDU_V1TRAP) { // timestamp TimeTicks timestamp; timestamp = raw_pdu->time; pdu.set_notify_timestamp( timestamp); // set the agent address IpAddress agent_addr(inet_ntoa(raw_pdu->agent_addr.sin_addr)); if (agent_addr != "0.0.0.0") { pdu.set_v1_trap_address(agent_addr); LOG_BEGIN(DEBUG_LOG | 4); LOG("SNMPMessage: Trap address of received v1 trap"); LOG(agent_addr.get_printable()); LOG_END; } // set enterprise, notifyid Oid enterprise; if (raw_pdu->enterprise_length >0) { for (int i=0; i< raw_pdu->enterprise_length; i++) { enterprise += (int) (raw_pdu->enterprise[i]); } pdu.set_notify_enterprise(enterprise); } switch (raw_pdu->trap_type) { case 0: pdu.set_notify_id(coldStart); break; case 1: pdu.set_notify_id(warmStart); break; case 2: pdu.set_notify_id(linkDown); break; case 3: pdu.set_notify_id(linkUp); break; case 4: pdu.set_notify_id(authenticationFailure); break; case 5: pdu.set_notify_id(egpNeighborLoss); break; case 6: { // enterprise specific // base id + specific # Oid eOid = enterprise; eOid += 0ul; eOid += raw_pdu->specific_type; pdu.set_notify_id( eOid); break; } default: { LOG_BEGIN(WARNING_LOG | 3); LOG("SNMPMessage: Received trap with illegal trap type"); LOG(raw_pdu->trap_type); LOG_END; } } } // vbs Vb tempvb; Oid tempoid; struct variable_list *vp; int vb_nr = 1; for(vp = raw_pdu->variables; vp; vp = vp->next_variable, vb_nr++) { // 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: { OctetStr octets( (unsigned char *) vp->val.string, (unsigned long) vp->val_len); tempvb.set_value( octets); } break; case sNMP_SYNTAX_OPAQUE: { OpaqueStr octets( (unsigned char *) vp->val.string, (unsigned 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); if ((vb_nr == 2) && ((raw_pdu->command == sNMP_PDU_TRAP) || (raw_pdu->command == sNMP_PDU_INFORM)) && (tempoid == SNMP_MSG_OID_TRAPID)) { // set notify_id pdu.set_notify_id(oid); continue; // don't add vb to pdu } } break; // timeticks case sNMP_SYNTAX_TIMETICKS: { TimeTicks timeticks( (unsigned long) *(vp->val.integer)); tempvb.set_value( timeticks); if ((vb_nr == 1) && ((raw_pdu->command == sNMP_PDU_TRAP) || (raw_pdu->command == sNMP_PDU_INFORM)) && (tempoid == SNMP_MSG_OID_SYSUPTIME)) { // set notify_timestamp pdu.set_notify_timestamp( timeticks); continue; // don't add vb to pdu } } break; // 32 bit counter case sNMP_SYNTAX_CNTR32: { Counter32 counter32( (unsigned long) *(vp->val.integer)); tempvb.set_value( counter32); } break; // 32 bit gauge case sNMP_SYNTAX_GAUGE32: { Gauge32 gauge32( (unsigned long) *(vp->val.integer)); tempvb.set_value( gauge32); } break; // ip address case sNMP_SYNTAX_IPADDR: { char buffer[42]; if (vp->val_len == 16) sprintf( buffer, "%02x%02x:%02x%02x:%02x%02x:%02x%02x:" "%02x%02x:%02x%02x:%02x%02x:%02x%02x", vp->val.string[ 0], vp->val.string[ 1], vp->val.string[ 2], vp->val.string[ 3], vp->val.string[ 4], vp->val.string[ 5], vp->val.string[ 6], vp->val.string[ 7], vp->val.string[ 8], vp->val.string[ 9], vp->val.string[10], vp->val.string[11], vp->val.string[12], vp->val.string[13], vp->val.string[14], vp->val.string[15]); else 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 /* Not distinguishable from Gauge32 case sNMP_SYNTAX_UINT32: { SnmpUInt32 uint32( (unsigned long) *(vp->val.integer)); tempvb.set_value( uint32); } break; */ // v2 counter 64's case sNMP_SYNTAX_CNTR64: { // Frank Fock (was empty before) Counter64 c64(((counter64*)vp->val.counter64)->high, ((counter64*)vp->val.counter64)->low); tempvb.set_value( c64); break; } case sNMP_SYNTAX_NULL: tempvb.set_null(); break; // v2 vb exceptions case sNMP_SYNTAX_NOSUCHOBJECT: case sNMP_SYNTAX_NOSUCHINSTANCE: case sNMP_SYNTAX_ENDOFMIBVIEW: tempvb.set_exception_status(vp->type); break; default: tempvb.set_null(); } // end switch // append the vb to the pdu pdu += tempvb; } snmp_free_pdu( raw_pdu); return SNMP_CLASS_SUCCESS; }
int main(int argc, char **argv) { //---------[ check the arg count ]---------------------------------------- if ( argc < 2) { cout << "Usage:\n"; cout << "snmpTraps IpAddress | DNSName [Id] [options]\n"; cout << "Id = default is 1.3.6.1.6.3.1.1.5.1 = ColdStart"; 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"; #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( COLDSTART); // default is ColdStart 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 u_short port=161; // default snmp port is 161 OctetStr community("public"); // community name Oid ent(ENTERPRISE); // default enterprise #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],"-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; Snmp *snmp; if (address.get_ip_version() == Address::version_ipv4) snmp = new Snmp(status, "0.0.0.0"); else snmp = new Snmp(status, "::"); 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 = "TrapSender"; 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; // variable binding object to use vb.set_oid(PAYLOADID); // example oid for trap payload vb.set_value(PAYLOAD); // example string for payload pdu += vb; // append the vb to the pdu pdu.set_notify_id( oid); // set the id of the trap pdu.set_notify_enterprise( ent); // set up the enterprise of the trap 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_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_readcommunity( community); // set the read community name #ifdef _SNMPv3 } #endif //-------[ Send the trap ]------------------------------------------------ cout << "SNMP++ Trap to " << argv[1] << " SNMPV" #ifdef _SNMPv3 << ((version==version3) ? (version) : (version+1)); #else << (version+1);
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