snmpWalk.cpp
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- /*_############################################################################
- _##
- _## snmpWalk.cpp
- _##
- _## SNMP++v3.2.21
- _## -----------------------------------------------
- _## Copyright (c) 2001-2006 Jochen Katz, Frank Fock
- _##
- _## This software is based on SNMP++2.6 from Hewlett Packard:
- _##
- _## Copyright (c) 1996
- _## Hewlett-Packard Company
- _##
- _## ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
- _## Permission to use, copy, modify, distribute and/or sell this software
- _## and/or its documentation is hereby granted without fee. User agrees
- _## to display the above copyright notice and this license notice in all
- _## copies of the software and any documentation of the software. User
- _## agrees to assume all liability for the use of the software;
- _## Hewlett-Packard and Jochen Katz make no representations about the
- _## suitability of this software for any purpose. It is provided
- _## "AS-IS" without warranty of any kind, either express or implied. User
- _## hereby grants a royalty-free license to any and all derivatives based
- _## upon this software code base.
- _##
- _## Stuttgart, Germany, Fri Jun 16 17:48:57 CEST 2006
- _##
- _##########################################################################*/
- /*
- snmpWalk.cpp
-
- Copyright (c) 1996
- Hewlett-Packard Company
- ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
- Permission to use, copy, modify, distribute and/or sell this software
- and/or its documentation is hereby granted without fee. User agrees
- to display the above copyright notice and this license notice in all
- copies of the software and any documentation of the software. User
- agrees to assume all liability for the use of the software; Hewlett-Packard
- makes no representations about the suitability of this software for any
- purpose. It is provided "AS-IS" without warranty of any kind,either express
- or implied. User hereby grants a royalty-free license to any and all
- derivatives based upon this software code base.
- Peter E. Mellquist
- */
- char snmpwalk_cpp_version[]="@(#) SNMP++ $Id: snmpWalk.cpp,v 1.9 2005/10/11 18:08:05 katz Exp $";
- #include "snmp_pp/snmp_pp.h"
- #include <stdlib.h>
- #include <stdio.h>
- #ifdef WIN32
- #define strcasecmp stricmp
- #endif
- #ifdef SNMP_PP_NAMESPACE
- using namespace Snmp_pp;
- #endif
- #if (__GNUC__ > 2)
- #include <iostream>
- using std::cerr;
- using std::cout;
- using std::endl;
- using std::flush;
- #else
- #include <iostream.h>
- #endif
- #define BULK_MAX 10
- int main(int argc, char **argv)
- {
- int requests = 0; // keep track of # of requests
- int objects = 0;
- //---------[ check the arg count ]----------------------------------------
- if ( argc < 2) {
- cout << "Usage:n";
- cout << "snmpWalk IpAddress | DNSName [StartOid] [options]n";
- cout << "StartOid: sysDescr object is defaultn";
- cout << "options: -vN , use SNMP version 1, 2 or 3, default is 1n";
- cout << " -PPort , remote port to usen";
- cout << " -S , only walk within subtreen";
- cout << " -CCommunity_name, specify community default is 'public' n";
- cout << " -rN , retries default is N = 1 retryn";
- cout << " -tN , timeout in hundredths of seconds; default is N = 100n";
- #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 possiblen";
- 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 MD5n";
- cout << " -privPROT, use privacy protocol NONE, DES, 3DESEDE, IDEA, AES128, AES192 or AES256n";
- cout << " -uaAuthPasswordn";
- cout << " -upPrivPasswordn";
- #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"); // default is beginning of MIB
- 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
- bool subtree = false;
- #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;
- }
- if ( strstr( argv[x],"-S") != 0) {
- subtree = true;
- 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("nnPrivProt : %ldn", 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 = "snmpWalk";
- 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++ snmpWalk 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;
- while (( status = snmp.get_bulk( pdu,*target,0,BULK_MAX))== SNMP_CLASS_SUCCESS) {
- requests++;
- 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;
- return -5;
- }
- #endif
- Oid tmp;
- vb.get_oid(tmp);
- if (subtree && (oid.nCompare(oid.len(), tmp) != 0))
- {
- cout << "End of SUBTREE Reachedn";
- cout << "Total # of Requests = " << requests << "n";
- cout << "Total # of Objects = " << objects << "n";
- return -4;
- }
- objects++;
- // look for var bind exception, applies to v2 only
- if ( vb.get_syntax() != sNMP_SYNTAX_ENDOFMIBVIEW) {
- cout << vb.get_printable_oid() << " = ";
- cout << vb.get_printable_value() << "n";
- }
- else {
- cout << "End of MIB Reachedn";
- cout << "Total # of Requests = " << requests << "n";
- cout << "Total # of Objects = " << objects << "n";
- return -4;
- }
- }
- // last vb becomes seed of next rquest
- pdu.set_vblist(&vb, 1);
- }
- if ( status != SNMP_ERROR_NO_SUCH_NAME)
- cout << "SNMP++ snmpWalk Error, " << snmp.error_msg( status) << "n";
- cout << "Total # of Requests = " << requests << "n";
- cout << "Total # of Objects = " << objects << "n";
- Snmp::socket_cleanup(); // Shut down socket subsystem
- }