From 1e6c93250172946eeb38e94a92a1fd12c9d3011e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Nov 2018 13:22:44 +0100 Subject: Merging upstream version 1.11.0+dfsg. Signed-off-by: Daniel Baumann --- node.d/node_modules/net-snmp.js | 1457 --------------------------------------- 1 file changed, 1457 deletions(-) delete mode 100644 node.d/node_modules/net-snmp.js (limited to 'node.d/node_modules/net-snmp.js') diff --git a/node.d/node_modules/net-snmp.js b/node.d/node_modules/net-snmp.js deleted file mode 100644 index ac9a8d350..000000000 --- a/node.d/node_modules/net-snmp.js +++ /dev/null @@ -1,1457 +0,0 @@ - -// Copyright 2013 Stephen Vickers - -var ber = require ("asn1-ber").Ber; -var dgram = require ("dgram"); -var events = require ("events"); -var util = require ("util"); - -/***************************************************************************** - ** Constants - **/ - -function _expandConstantObject (object) { - var keys = []; - for (var key in object) - keys.push (key); - for (var i = 0; i < keys.length; i++) - object[object[keys[i]]] = parseInt (keys[i]); -} - -var ErrorStatus = { - 0: "NoError", - 1: "TooBig", - 2: "NoSuchName", - 3: "BadValue", - 4: "ReadOnly", - 5: "GeneralError", - 6: "NoAccess", - 7: "WrongType", - 8: "WrongLength", - 9: "WrongEncoding", - 10: "WrongValue", - 11: "NoCreation", - 12: "InconsistentValue", - 13: "ResourceUnavailable", - 14: "CommitFailed", - 15: "UndoFailed", - 16: "AuthorizationError", - 17: "NotWritable", - 18: "InconsistentName" -}; - -_expandConstantObject (ErrorStatus); - -var ObjectType = { - 1: "Boolean", - 2: "Integer", - 4: "OctetString", - 5: "Null", - 6: "OID", - 64: "IpAddress", - 65: "Counter", - 66: "Gauge", - 67: "TimeTicks", - 68: "Opaque", - 70: "Counter64", - 128: "NoSuchObject", - 129: "NoSuchInstance", - 130: "EndOfMibView" -}; - -_expandConstantObject (ObjectType); - -ObjectType.Integer32 = ObjectType.Integer; -ObjectType.Counter32 = ObjectType.Counter; -ObjectType.Gauge32 = ObjectType.Gauge; -ObjectType.Unsigned32 = ObjectType.Gauge32; - -var PduType = { - 160: "GetRequest", - 161: "GetNextRequest", - 162: "GetResponse", - 163: "SetRequest", - 164: "Trap", - 165: "GetBulkRequest", - 166: "InformRequest", - 167: "TrapV2", - 168: "Report" -}; - -_expandConstantObject (PduType); - -var TrapType = { - 0: "ColdStart", - 1: "WarmStart", - 2: "LinkDown", - 3: "LinkUp", - 4: "AuthenticationFailure", - 5: "EgpNeighborLoss", - 6: "EnterpriseSpecific" -}; - -_expandConstantObject (TrapType); - -var Version1 = 0; -var Version2c = 1; - -/***************************************************************************** - ** Exception class definitions - **/ - -function ResponseInvalidError (message) { - this.name = "ResponseInvalidError"; - this.message = message; - Error.captureStackTrace(this, ResponseInvalidError); -} -util.inherits (ResponseInvalidError, Error); - -function RequestInvalidError (message) { - this.name = "RequestInvalidError"; - this.message = message; - Error.captureStackTrace(this, RequestInvalidError); -} -util.inherits (RequestInvalidError, Error); - -function RequestFailedError (message, status) { - this.name = "RequestFailedError"; - this.message = message; - this.status = status; - Error.captureStackTrace(this, RequestFailedError); -} -util.inherits (RequestFailedError, Error); - -function RequestTimedOutError (message) { - this.name = "RequestTimedOutError"; - this.message = message; - Error.captureStackTrace(this, RequestTimedOutError); -} -util.inherits (RequestTimedOutError, Error); - -/***************************************************************************** - ** OID and varbind helper functions - **/ - -function isVarbindError (varbind) { - return !!(varbind.type == ObjectType.NoSuchObject - || varbind.type == ObjectType.NoSuchInstance - || varbind.type == ObjectType.EndOfMibView); -} - -function varbindError (varbind) { - return (ObjectType[varbind.type] || "NotAnError") + ": " + varbind.oid; -} - -function oidFollowsOid (oidString, nextString) { - var oid = {str: oidString, len: oidString.length, idx: 0}; - var next = {str: nextString, len: nextString.length, idx: 0}; - var dotCharCode = ".".charCodeAt (0); - - function getNumber (item) { - var n = 0; - if (item.idx >= item.len) - return null; - while (item.idx < item.len) { - var charCode = item.str.charCodeAt (item.idx++); - if (charCode == dotCharCode) - return n; - n = (n ? (n * 10) : n) + (charCode - 48); - } - return n; - } - - while (1) { - var oidNumber = getNumber (oid); - var nextNumber = getNumber (next); - - if (oidNumber !== null) { - if (nextNumber !== null) { - if (nextNumber > oidNumber) { - return true; - } else if (nextNumber < oidNumber) { - return false; - } - } else { - return true; - } - } else { - return true; - } - } -} - -function oidInSubtree (oidString, nextString) { - var oid = oidString.split ("."); - var next = nextString.split ("."); - - if (oid.length > next.length) - return false; - - for (var i = 0; i < oid.length; i++) { - if (next[i] != oid[i]) - return false; - } - - return true; -} - -/** - ** Some SNMP agents produce integers on the wire such as 00 ff ff ff ff. - ** The ASN.1 BER parser we use throws an error when parsing this, which we - ** believe is correct. So, we decided not to bother the "asn1" developer(s) - ** with this, instead opting to work around it here. - ** - ** If an integer is 5 bytes in length we check if the first byte is 0, and if so - ** simply drop it and parse it like it was a 4 byte integer, otherwise throw - ** an error since the integer is too large. - **/ - -function readInt (buffer) { - return readUint (buffer, true); -} - -function readUint (buffer, isSigned) { - buffer.readByte (); - var length = buffer.readByte (); - var value = 0; - var signedBitSet = false; - - if (length > 5) { - throw new RangeError ("Integer too long '" + length + "'"); - } else if (length == 5) { - if (buffer.readByte () !== 0) - throw new RangeError ("Integer too long '" + length + "'"); - length = 4; - } - - for (var i = 0; i < length; i++) { - value *= 256; - value += buffer.readByte (); - - if (isSigned && i <= 0) { - if ((value & 0x80) == 0x80) - signedBitSet = true; - } - } - - if (signedBitSet) - value -= (1 << (i * 8)); - - return value; -} - -function readUint64 (buffer) { - var value = buffer.readString (ObjectType.Counter64, true); - - return value; -} - -function readVarbinds (buffer, varbinds) { - buffer.readSequence (); - - while (1) { - buffer.readSequence (); - var oid = buffer.readOID (); - var type = buffer.peek (); - - if (type == null) - break; - - var value; - - if (type == ObjectType.Boolean) { - value = buffer.readBoolean (); - } else if (type == ObjectType.Integer) { - value = readInt (buffer); - } else if (type == ObjectType.OctetString) { - value = buffer.readString (null, true); - } else if (type == ObjectType.Null) { - buffer.readByte (); - buffer.readByte (); - value = null; - } else if (type == ObjectType.OID) { - value = buffer.readOID (); - } else if (type == ObjectType.IpAddress) { - var bytes = buffer.readString (ObjectType.IpAddress, true); - if (bytes.length != 4) - throw new ResponseInvalidError ("Length '" + bytes.length - + "' of IP address '" + bytes.toString ("hex") - + "' is not 4"); - value = bytes[0] + "." + bytes[1] + "." + bytes[2] + "." + bytes[3]; - } else if (type == ObjectType.Counter) { - value = readUint (buffer); - } else if (type == ObjectType.Gauge) { - value = readUint (buffer); - } else if (type == ObjectType.TimeTicks) { - value = readUint (buffer); - } else if (type == ObjectType.Opaque) { - value = buffer.readString (ObjectType.Opaque, true); - } else if (type == ObjectType.Counter64) { - value = readUint64 (buffer); - } else if (type == ObjectType.NoSuchObject) { - buffer.readByte (); - buffer.readByte (); - value = null; - } else if (type == ObjectType.NoSuchInstance) { - buffer.readByte (); - buffer.readByte (); - value = null; - } else if (type == ObjectType.EndOfMibView) { - buffer.readByte (); - buffer.readByte (); - value = null; - } else { - throw new ResponseInvalidError ("Unknown type '" + type - + "' in response"); - } - - varbinds.push ({ - oid: oid, - type: type, - value: value - }); - } -} - -function writeUint (buffer, type, value) { - var b = new Buffer (4); - b.writeUInt32BE (value, 0); - buffer.writeBuffer (b, type); -} - -function writeUint64 (buffer, value) { - buffer.writeBuffer (value, ObjectType.Counter64); -} - -function writeVarbinds (buffer, varbinds) { - buffer.startSequence (); - for (var i = 0; i < varbinds.length; i++) { - buffer.startSequence (); - buffer.writeOID (varbinds[i].oid); - - if (varbinds[i].type && varbinds[i].hasOwnProperty("value")) { - var type = varbinds[i].type; - var value = varbinds[i].value; - - if (type == ObjectType.Boolean) { - buffer.writeBoolean (value ? true : false); - } else if (type == ObjectType.Integer) { // also Integer32 - buffer.writeInt (value); - } else if (type == ObjectType.OctetString) { - if (typeof value == "string") - buffer.writeString (value); - else - buffer.writeBuffer (value, ObjectType.OctetString); - } else if (type == ObjectType.Null) { - buffer.writeNull (); - } else if (type == ObjectType.OID) { - buffer.writeOID (value); - } else if (type == ObjectType.IpAddress) { - var bytes = value.split ("."); - if (bytes.length != 4) - throw new RequestInvalidError ("Invalid IP address '" - + value + "'"); - buffer.writeBuffer (new Buffer (bytes), 64); - } else if (type == ObjectType.Counter) { // also Counter32 - writeUint (buffer, ObjectType.Counter, value); - } else if (type == ObjectType.Gauge) { // also Gauge32 & Unsigned32 - writeUint (buffer, ObjectType.Gauge, value); - } else if (type == ObjectType.TimeTicks) { - writeUint (buffer, ObjectType.TimeTicks, value); - } else if (type == ObjectType.Opaque) { - buffer.writeBuffer (value, ObjectType.Opaque); - } else if (type == ObjectType.Counter64) { - writeUint64 (buffer, value); - } else { - throw new RequestInvalidError ("Unknown type '" + type - + "' in request"); - } - } else { - buffer.writeNull (); - } - - buffer.endSequence (); - } - buffer.endSequence (); -} - -/***************************************************************************** - ** PDU class definitions - **/ - -var SimplePdu = function (id, varbinds, options) { - this.id = id; - this.varbinds = varbinds; - this.options = options || {}; -}; - -SimplePdu.prototype.toBuffer = function (buffer) { - buffer.startSequence (this.type); - - buffer.writeInt (this.id); - buffer.writeInt ((this.type == PduType.GetBulkRequest) - ? (this.options.nonRepeaters || 0) - : 0); - buffer.writeInt ((this.type == PduType.GetBulkRequest) - ? (this.options.maxRepetitions || 0) - : 0); - - writeVarbinds (buffer, this.varbinds); - - buffer.endSequence (); -}; - -var GetBulkRequestPdu = function () { - this.type = PduType.GetBulkRequest; - GetBulkRequestPdu.super_.apply (this, arguments); -}; - -util.inherits (GetBulkRequestPdu, SimplePdu); - -var GetNextRequestPdu = function () { - this.type = PduType.GetNextRequest; - GetNextRequestPdu.super_.apply (this, arguments); -}; - -util.inherits (GetNextRequestPdu, SimplePdu); - -var GetResponsePdu = function (buffer) { - this.type = PduType.GetResponse; - - buffer.readSequence (this.type); - - this.id = buffer.readInt (); - - this.errorStatus = buffer.readInt (); - this.errorIndex = buffer.readInt (); - - this.varbinds = []; - - readVarbinds (buffer, this.varbinds); -}; - -var GetRequestPdu = function () { - this.type = PduType.GetRequest; - GetRequestPdu.super_.apply (this, arguments); -}; - -util.inherits (GetRequestPdu, SimplePdu); - -var InformRequestPdu = function () { - this.type = PduType.InformRequest; - InformRequestPdu.super_.apply (this, arguments); -}; - -util.inherits (InformRequestPdu, SimplePdu); - -var SetRequestPdu = function () { - this.type = PduType.SetRequest; - SetRequestPdu.super_.apply (this, arguments); -}; - -util.inherits (SetRequestPdu, SimplePdu); - -var TrapPdu = function (typeOrOid, varbinds, options) { - this.type = PduType.Trap; - - this.agentAddr = options.agentAddr || "127.0.0.1"; - this.upTime = options.upTime; - - if (typeof typeOrOid == "string") { - this.generic = TrapType.EnterpriseSpecific; - this.specific = parseInt (typeOrOid.match (/\.(\d+)$/)[1]); - this.enterprise = typeOrOid.replace (/\.(\d+)$/, ""); - } else { - this.generic = typeOrOid; - this.specific = 0; - this.enterprise = "1.3.6.1.4.1"; - } - - this.varbinds = varbinds; -}; - -TrapPdu.prototype.toBuffer = function (buffer) { - buffer.startSequence (this.type); - - buffer.writeOID (this.enterprise); - buffer.writeBuffer (new Buffer (this.agentAddr.split (".")), - ObjectType.IpAddress); - buffer.writeInt (this.generic); - buffer.writeInt (this.specific); - writeUint (buffer, ObjectType.TimeTicks, - this.upTime || Math.floor (process.uptime () * 100)); - - writeVarbinds (buffer, this.varbinds); - - buffer.endSequence (); -}; - -var TrapV2Pdu = function () { - this.type = PduType.TrapV2; - TrapV2Pdu.super_.apply (this, arguments); -}; - -util.inherits (TrapV2Pdu, SimplePdu); - -/***************************************************************************** - ** Message class definitions - **/ - -var RequestMessage = function (version, community, pdu) { - this.version = version; - this.community = community; - this.pdu = pdu; -}; - -RequestMessage.prototype.toBuffer = function () { - if (this.buffer) - return this.buffer; - - var writer = new ber.Writer (); - - writer.startSequence (); - - writer.writeInt (this.version); - writer.writeString (this.community); - - this.pdu.toBuffer (writer); - - writer.endSequence (); - - this.buffer = writer.buffer; - - return this.buffer; -}; - -var ResponseMessage = function (buffer) { - var reader = new ber.Reader (buffer); - - reader.readSequence (); - - this.version = reader.readInt (); - this.community = reader.readString (); - - var type = reader.peek (); - - if (type == PduType.GetResponse) { - this.pdu = new GetResponsePdu (reader); - } else { - throw new ResponseInvalidError ("Unknown PDU type '" + type - + "' in response"); - } -}; - -/***************************************************************************** - ** Session class definition - **/ - -var Session = function (target, community, options) { - this.target = target || "127.0.0.1"; - this.community = community || "public"; - - this.version = (options && options.version) - ? options.version - : Version1; - - this.transport = (options && options.transport) - ? options.transport - : "udp4"; - this.port = (options && options.port ) - ? options.port - : 161; - this.trapPort = (options && options.trapPort ) - ? options.trapPort - : 162; - - this.retries = (options && (options.retries || options.retries == 0)) - ? options.retries - : 1; - this.timeout = (options && options.timeout) - ? options.timeout - : 5000; - - this.sourceAddress = (options && options.sourceAddress ) - ? options.sourceAddress - : undefined; - this.sourcePort = (options && options.sourcePort ) - ? parseInt(options.sourcePort) - : undefined; - - this.reqs = {}; - this.reqCount = 0; - - this.dgram = dgram.createSocket (this.transport); - this.dgram.unref(); - - var me = this; - this.dgram.on ("message", me.onMsg.bind (me)); - this.dgram.on ("close", me.onClose.bind (me)); - this.dgram.on ("error", me.onError.bind (me)); - - if (this.sourceAddress || this.sourcePort) - this.dgram.bind (this.sourcePort, this.sourceAddress); -}; - -util.inherits (Session, events.EventEmitter); - -Session.prototype.close = function () { - this.dgram.close (); - return this; -}; - -Session.prototype.cancelRequests = function (error) { - var id; - for (id in this.reqs) { - var req = this.reqs[id]; - this.unregisterRequest (req.id); - req.responseCb (error); - } -}; - -function _generateId () { - return Math.floor (Math.random () + Math.random () * 10000000) -} - -Session.prototype.get = function (oids, responseCb) { - function feedCb (req, message) { - var pdu = message.pdu; - var varbinds = []; - - if (req.message.pdu.varbinds.length != pdu.varbinds.length) { - req.responseCb (new ResponseInvalidError ("Requested OIDs do not " - + "match response OIDs")); - } else { - for (var i = 0; i < req.message.pdu.varbinds.length; i++) { - if (req.message.pdu.varbinds[i].oid != pdu.varbinds[i].oid) { - req.responseCb (new ResponseInvalidError ("OID '" - + req.message.pdu.varbinds[i].oid - + "' in request at positiion '" + i + "' does not " - + "match OID '" + pdu.varbinds[i].oid + "' in response " - + "at position '" + i + "'")); - return; - } else { - varbinds.push (pdu.varbinds[i]); - } - } - - req.responseCb (null, varbinds); - } - } - - var pduVarbinds = []; - - for (var i = 0; i < oids.length; i++) { - var varbind = { - oid: oids[i] - }; - pduVarbinds.push (varbind); - } - - this.simpleGet (GetRequestPdu, feedCb, pduVarbinds, responseCb); - - return this; -}; - -Session.prototype.getBulk = function () { - var oids, nonRepeaters, maxRepetitions, responseCb; - - if (arguments.length >= 4) { - oids = arguments[0]; - nonRepeaters = arguments[1]; - maxRepetitions = arguments[2]; - responseCb = arguments[3]; - } else if (arguments.length >= 3) { - oids = arguments[0]; - nonRepeaters = arguments[1]; - maxRepetitions = 10; - responseCb = arguments[2]; - } else { - oids = arguments[0]; - nonRepeaters = 0; - maxRepetitions = 10; - responseCb = arguments[1]; - } - - function feedCb (req, message) { - var pdu = message.pdu; - var varbinds = []; - var i = 0; - - // first walk through and grab non-repeaters - if (pdu.varbinds.length < nonRepeaters) { - req.responseCb (new ResponseInvalidError ("Varbind count in " - + "response '" + pdu.varbinds.length + "' is less than " - + "non-repeaters '" + nonRepeaters + "' in request")); - } else { - for ( ; i < nonRepeaters; i++) { - if (isVarbindError (pdu.varbinds[i])) { - varbinds.push (pdu.varbinds[i]); - } else if (! oidFollowsOid (req.message.pdu.varbinds[i].oid, - pdu.varbinds[i].oid)) { - req.responseCb (new ResponseInvalidError ("OID '" - + req.message.pdu.varbinds[i].oid + "' in request at " - + "positiion '" + i + "' does not precede " - + "OID '" + pdu.varbinds[i].oid + "' in response " - + "at position '" + i + "'")); - return; - } else { - varbinds.push (pdu.varbinds[i]); - } - } - } - - var repeaters = req.message.pdu.varbinds.length - nonRepeaters; - - // secondly walk through and grab repeaters - if (pdu.varbinds.length % (repeaters)) { - req.responseCb (new ResponseInvalidError ("Varbind count in " - + "response '" + pdu.varbinds.length + "' is not a " - + "multiple of repeaters '" + repeaters - + "' plus non-repeaters '" + nonRepeaters + "' in request")); - } else { - while (i < pdu.varbinds.length) { - for (var j = 0; j < repeaters; j++, i++) { - var reqIndex = nonRepeaters + j; - var respIndex = i; - - if (isVarbindError (pdu.varbinds[respIndex])) { - if (! varbinds[reqIndex]) - varbinds[reqIndex] = []; - varbinds[reqIndex].push (pdu.varbinds[respIndex]); - } else if (! oidFollowsOid ( - req.message.pdu.varbinds[reqIndex].oid, - pdu.varbinds[respIndex].oid)) { - req.responseCb (new ResponseInvalidError ("OID '" - + req.message.pdu.varbinds[reqIndex].oid - + "' in request at positiion '" + (reqIndex) - + "' does not precede OID '" - + pdu.varbinds[respIndex].oid - + "' in response at position '" + (respIndex) + "'")); - return; - } else { - if (! varbinds[reqIndex]) - varbinds[reqIndex] = []; - varbinds[reqIndex].push (pdu.varbinds[respIndex]); - } - } - } - } - - req.responseCb (null, varbinds); - } - - var pduVarbinds = []; - - for (var i = 0; i < oids.length; i++) { - var varbind = { - oid: oids[i] - }; - pduVarbinds.push (varbind); - } - - var options = { - nonRepeaters: nonRepeaters, - maxRepetitions: maxRepetitions - }; - - this.simpleGet (GetBulkRequestPdu, feedCb, pduVarbinds, responseCb, - options); - - return this; -}; - -Session.prototype.getNext = function (oids, responseCb) { - function feedCb (req, message) { - var pdu = message.pdu; - var varbinds = []; - - if (req.message.pdu.varbinds.length != pdu.varbinds.length) { - req.responseCb (new ResponseInvalidError ("Requested OIDs do not " - + "match response OIDs")); - } else { - for (var i = 0; i < req.message.pdu.varbinds.length; i++) { - if (isVarbindError (pdu.varbinds[i])) { - varbinds.push (pdu.varbinds[i]); - } else if (! oidFollowsOid (req.message.pdu.varbinds[i].oid, - pdu.varbinds[i].oid)) { - req.responseCb (new ResponseInvalidError ("OID '" - + req.message.pdu.varbinds[i].oid + "' in request at " - + "positiion '" + i + "' does not precede " - + "OID '" + pdu.varbinds[i].oid + "' in response " - + "at position '" + i + "'")); - return; - } else { - varbinds.push (pdu.varbinds[i]); - } - } - - req.responseCb (null, varbinds); - } - } - - var pduVarbinds = []; - - for (var i = 0; i < oids.length; i++) { - var varbind = { - oid: oids[i] - }; - pduVarbinds.push (varbind); - } - - this.simpleGet (GetNextRequestPdu, feedCb, pduVarbinds, responseCb); - - return this; -}; - -Session.prototype.inform = function () { - var typeOrOid = arguments[0]; - var varbinds, options = {}, responseCb; - - /** - ** Support the following signatures: - ** - ** typeOrOid, varbinds, options, callback - ** typeOrOid, varbinds, callback - ** typeOrOid, options, callback - ** typeOrOid, callback - **/ - if (arguments.length >= 4) { - varbinds = arguments[1]; - options = arguments[2]; - responseCb = arguments[3]; - } else if (arguments.length >= 3) { - if (arguments[1].constructor != Array) { - varbinds = []; - options = arguments[1]; - responseCb = arguments[2]; - } else { - varbinds = arguments[1]; - responseCb = arguments[2]; - } - } else { - varbinds = []; - responseCb = arguments[1]; - } - - function feedCb (req, message) { - var pdu = message.pdu; - var varbinds = []; - - if (req.message.pdu.varbinds.length != pdu.varbinds.length) { - req.responseCb (new ResponseInvalidError ("Inform OIDs do not " - + "match response OIDs")); - } else { - for (var i = 0; i < req.message.pdu.varbinds.length; i++) { - if (req.message.pdu.varbinds[i].oid != pdu.varbinds[i].oid) { - req.responseCb (new ResponseInvalidError ("OID '" - + req.message.pdu.varbinds[i].oid - + "' in inform at positiion '" + i + "' does not " - + "match OID '" + pdu.varbinds[i].oid + "' in response " - + "at position '" + i + "'")); - return; - } else { - varbinds.push (pdu.varbinds[i]); - } - } - - req.responseCb (null, varbinds); - } - } - - if (typeof typeOrOid != "string") - typeOrOid = "1.3.6.1.6.3.1.1.5." + (typeOrOid + 1); - - var pduVarbinds = [ - { - oid: "1.3.6.1.2.1.1.3.0", - type: ObjectType.TimeTicks, - value: options.upTime || Math.floor (process.uptime () * 100) - }, - { - oid: "1.3.6.1.6.3.1.1.4.1.0", - type: ObjectType.OID, - value: typeOrOid - } - ]; - - for (var i = 0; i < varbinds.length; i++) { - var varbind = { - oid: varbinds[i].oid, - type: varbinds[i].type, - value: varbinds[i].value - }; - pduVarbinds.push (varbind); - } - - options.port = this.trapPort; - - this.simpleGet (InformRequestPdu, feedCb, pduVarbinds, responseCb, options); - - return this; -}; - -Session.prototype.onClose = function () { - this.cancelRequests (new Error ("Socket forcibly closed")); - this.emit ("close"); -}; - -Session.prototype.onError = function (error) { - this.emit (error); -}; - -Session.prototype.onMsg = function (buffer, remote) { - try { - var message = new ResponseMessage (buffer); - - var req = this.unregisterRequest (message.pdu.id); - if (! req) - return; - - try { - if (message.version != req.message.version) { - req.responseCb (new ResponseInvalidError ("Version in request '" - + req.message.version + "' does not match version in " - + "response '" + message.version)); - } else if (message.community != req.message.community) { - req.responseCb (new ResponseInvalidError ("Community '" - + req.message.community + "' in request does not match " - + "community '" + message.community + "' in response")); - } else if (message.pdu.type == PduType.GetResponse) { - req.onResponse (req, message); - } else { - req.responseCb (new ResponseInvalidError ("Unknown PDU type '" - + message.pdu.type + "' in response")); - } - } catch (error) { - req.responseCb (error); - } - } catch (error) { - this.emit("error", error); - } -}; - -Session.prototype.onSimpleGetResponse = function (req, message) { - var pdu = message.pdu; - - if (pdu.errorStatus > 0) { - var statusString = ErrorStatus[pdu.errorStatus] - || ErrorStatus.GeneralError; - var statusCode = ErrorStatus[statusString] - || ErrorStatus[ErrorStatus.GeneralError]; - - if (pdu.errorIndex <= 0 || pdu.errorIndex > pdu.varbinds.length) { - req.responseCb (new RequestFailedError (statusString, statusCode)); - } else { - var oid = pdu.varbinds[pdu.errorIndex - 1].oid; - var error = new RequestFailedError (statusString + ": " + oid, - statusCode); - req.responseCb (error); - } - } else { - req.feedCb (req, message); - } -}; - -Session.prototype.registerRequest = function (req) { - if (! this.reqs[req.id]) { - this.reqs[req.id] = req; - if (this.reqCount <= 0) - this.dgram.ref(); - this.reqCount++; - } - var me = this; - req.timer = setTimeout (function () { - if (req.retries-- > 0) { - me.send (req); - } else { - me.unregisterRequest (req.id); - req.responseCb (new RequestTimedOutError ( - "Request timed out")); - } - }, req.timeout); -}; - -Session.prototype.send = function (req, noWait) { - try { - var me = this; - - var buffer = req.message.toBuffer (); - - this.dgram.send (buffer, 0, buffer.length, req.port, this.target, - function (error, bytes) { - if (error) { - req.responseCb (error); - } else { - if (noWait) { - req.responseCb (null); - } else { - me.registerRequest (req); - } - } - }); - } catch (error) { - req.responseCb (error); - } - - return this; -}; - -Session.prototype.set = function (varbinds, responseCb) { - function feedCb (req, message) { - var pdu = message.pdu; - var varbinds = []; - - if (req.message.pdu.varbinds.length != pdu.varbinds.length) { - req.responseCb (new ResponseInvalidError ("Requested OIDs do not " - + "match response OIDs")); - } else { - for (var i = 0; i < req.message.pdu.varbinds.length; i++) { - if (req.message.pdu.varbinds[i].oid != pdu.varbinds[i].oid) { - req.responseCb (new ResponseInvalidError ("OID '" - + req.message.pdu.varbinds[i].oid - + "' in request at positiion '" + i + "' does not " - + "match OID '" + pdu.varbinds[i].oid + "' in response " - + "at position '" + i + "'")); - return; - } else { - varbinds.push (pdu.varbinds[i]); - } - } - - req.responseCb (null, varbinds); - } - } - - var pduVarbinds = []; - - for (var i = 0; i < varbinds.length; i++) { - var varbind = { - oid: varbinds[i].oid, - type: varbinds[i].type, - value: varbinds[i].value - }; - pduVarbinds.push (varbind); - } - - this.simpleGet (SetRequestPdu, feedCb, pduVarbinds, responseCb); - - return this; -}; - -Session.prototype.simpleGet = function (pduClass, feedCb, varbinds, - responseCb, options) { - var req = {}; - - try { - var id = _generateId (); - var pdu = new pduClass (id, varbinds, options); - var message = new RequestMessage (this.version, this.community, pdu); - - req = { - id: id, - message: message, - responseCb: responseCb, - retries: this.retries, - timeout: this.timeout, - onResponse: this.onSimpleGetResponse, - feedCb: feedCb, - port: (options && options.port) ? options.port : this.port - }; - - this.send (req); - } catch (error) { - if (req.responseCb) - req.responseCb (error); - } -}; - -function subtreeCb (req, varbinds) { - var done = 0; - - for (var i = varbinds.length; i > 0; i--) { - if (! oidInSubtree (req.baseOid, varbinds[i - 1].oid)) { - done = 1; - varbinds.pop (); - } - } - - if (varbinds.length > 0) - req.feedCb (varbinds); - - if (done) - return true; -} - -Session.prototype.subtree = function () { - var me = this; - var oid = arguments[0]; - var maxRepetitions, feedCb, doneCb; - - if (arguments.length < 4) { - maxRepetitions = 20; - feedCb = arguments[1]; - doneCb = arguments[2]; - } else { - maxRepetitions = arguments[1]; - feedCb = arguments[2]; - doneCb = arguments[3]; - } - - var req = { - feedCb: feedCb, - doneCb: doneCb, - maxRepetitions: maxRepetitions, - baseOid: oid - }; - - this.walk (oid, maxRepetitions, subtreeCb.bind (me, req), doneCb); - - return this; -}; - -function tableColumnsResponseCb (req, error) { - if (error) { - req.responseCb (error); - } else if (req.error) { - req.responseCb (req.error); - } else { - if (req.columns.length > 0) { - var column = req.columns.pop (); - var me = this; - this.subtree (req.rowOid + column, req.maxRepetitions, - tableColumnsFeedCb.bind (me, req), - tableColumnsResponseCb.bind (me, req)); - } else { - req.responseCb (null, req.table); - } - } -} - -function tableColumnsFeedCb (req, varbinds) { - for (var i = 0; i < varbinds.length; i++) { - if (isVarbindError (varbinds[i])) { - req.error = new RequestFailedError (varbindError (varbind[i])); - return true; - } - - var oid = varbinds[i].oid.replace (req.rowOid, ""); - if (oid && oid != varbinds[i].oid) { - var match = oid.match (/^(\d+)\.(.+)$/); - if (match && match[1] > 0) { - if (! req.table[match[2]]) - req.table[match[2]] = {}; - req.table[match[2]][match[1]] = varbinds[i].value; - } - } - } -} - -Session.prototype.tableColumns = function () { - var me = this; - - var oid = arguments[0]; - var columns = arguments[1]; - var maxRepetitions, responseCb; - - if (arguments.length < 4) { - responseCb = arguments[2]; - maxRepetitions = 20; - } else { - maxRepetitions = arguments[2]; - responseCb = arguments[3]; - } - - var req = { - responseCb: responseCb, - maxRepetitions: maxRepetitions, - baseOid: oid, - rowOid: oid + ".1.", - columns: columns.slice(0), - table: {} - }; - - if (req.columns.length > 0) { - var column = req.columns.pop (); - this.subtree (req.rowOid + column, maxRepetitions, - tableColumnsFeedCb.bind (me, req), - tableColumnsResponseCb.bind (me, req)); - } - - return this; -}; - -function tableResponseCb (req, error) { - if (error) - req.responseCb (error); - else if (req.error) - req.responseCb (req.error); - else - req.responseCb (null, req.table); -} - -function tableFeedCb (req, varbinds) { - for (var i = 0; i < varbinds.length; i++) { - if (isVarbindError (varbinds[i])) { - req.error = new RequestFailedError (varbindError (varbind[i])); - return true; - } - - var oid = varbinds[i].oid.replace (req.rowOid, ""); - if (oid && oid != varbinds[i].oid) { - var match = oid.match (/^(\d+)\.(.+)$/); - if (match && match[1] > 0) { - if (! req.table[match[2]]) - req.table[match[2]] = {}; - req.table[match[2]][match[1]] = varbinds[i].value; - } - } - } -} - -Session.prototype.table = function () { - var me = this; - - var oid = arguments[0]; - var maxRepetitions, responseCb; - - if (arguments.length < 3) { - responseCb = arguments[1]; - maxRepetitions = 20; - } else { - maxRepetitions = arguments[1]; - responseCb = arguments[2]; - } - - var req = { - responseCb: responseCb, - maxRepetitions: maxRepetitions, - baseOid: oid, - rowOid: oid + ".1.", - table: {} - }; - - this.subtree (oid, maxRepetitions, tableFeedCb.bind (me, req), - tableResponseCb.bind (me, req)); - - return this; -}; - -Session.prototype.trap = function () { - var req = {}; - - try { - var typeOrOid = arguments[0]; - var varbinds, options = {}, responseCb; - - /** - ** Support the following signatures: - ** - ** typeOrOid, varbinds, options, callback - ** typeOrOid, varbinds, agentAddr, callback - ** typeOrOid, varbinds, callback - ** typeOrOid, agentAddr, callback - ** typeOrOid, options, callback - ** typeOrOid, callback - **/ - if (arguments.length >= 4) { - varbinds = arguments[1]; - if (typeof arguments[2] == "string") { - options.agentAddr = arguments[2]; - } else if (arguments[2].constructor != Array) { - options = arguments[2]; - } - responseCb = arguments[3]; - } else if (arguments.length >= 3) { - if (typeof arguments[1] == "string") { - varbinds = []; - options.agentAddr = arguments[1]; - } else if (arguments[1].constructor != Array) { - varbinds = []; - options = arguments[1]; - } else { - varbinds = arguments[1]; - agentAddr = null; - } - responseCb = arguments[2]; - } else { - varbinds = []; - responseCb = arguments[1]; - } - - var pdu, pduVarbinds = []; - - for (var i = 0; i < varbinds.length; i++) { - var varbind = { - oid: varbinds[i].oid, - type: varbinds[i].type, - value: varbinds[i].value - }; - pduVarbinds.push (varbind); - } - - var id = _generateId (); - - if (this.version == Version2c) { - if (typeof typeOrOid != "string") - typeOrOid = "1.3.6.1.6.3.1.1.5." + (typeOrOid + 1); - - pduVarbinds.unshift ( - { - oid: "1.3.6.1.2.1.1.3.0", - type: ObjectType.TimeTicks, - value: options.upTime || Math.floor (process.uptime () * 100) - }, - { - oid: "1.3.6.1.6.3.1.1.4.1.0", - type: ObjectType.OID, - value: typeOrOid - } - ); - - pdu = new TrapV2Pdu (id, pduVarbinds, options); - } else { - pdu = new TrapPdu (typeOrOid, pduVarbinds, options); - } - - var message = new RequestMessage (this.version, this.community, pdu); - - req = { - id: id, - message: message, - responseCb: responseCb, - port: this.trapPort - }; - - this.send (req, true); - } catch (error) { - if (req.responseCb) - req.responseCb (error); - } - - return this; -}; - -Session.prototype.unregisterRequest = function (id) { - var req = this.reqs[id]; - if (req) { - delete this.reqs[id]; - clearTimeout (req.timer); - delete req.timer; - this.reqCount--; - if (this.reqCount <= 0) - this.dgram.unref(); - return req; - } else { - return null; - } -}; - -function walkCb (req, error, varbinds) { - var done = 0; - var oid; - - if (error) { - if (error instanceof RequestFailedError) { - if (error.status != ErrorStatus.NoSuchName) { - req.doneCb (error); - return; - } else { - // signal the version 1 walk code below that it should stop - done = 1; - } - } else { - req.doneCb (error); - return; - } - } - - if (this.version == Version2c) { - for (var i = varbinds[0].length; i > 0; i--) { - if (varbinds[0][i - 1].type == ObjectType.EndOfMibView) { - varbinds[0].pop (); - done = 1; - } - } - if (req.feedCb (varbinds[0])) - done = 1; - if (! done) - oid = varbinds[0][varbinds[0].length - 1].oid; - } else { - if (! done) { - if (req.feedCb (varbinds)) { - done = 1; - } else { - oid = varbinds[0].oid; - } - } - } - - if (done) - req.doneCb (null); - else - this.walk (oid, req.maxRepetitions, req.feedCb, req.doneCb, - req.baseOid); -} - -Session.prototype.walk = function () { - var me = this; - var oid = arguments[0]; - var maxRepetitions, feedCb, doneCb, baseOid; - - if (arguments.length < 4) { - maxRepetitions = 20; - feedCb = arguments[1]; - doneCb = arguments[2]; - } else { - maxRepetitions = arguments[1]; - feedCb = arguments[2]; - doneCb = arguments[3]; - } - - var req = { - maxRepetitions: maxRepetitions, - feedCb: feedCb, - doneCb: doneCb - }; - - if (this.version == Version2c) - this.getBulk ([oid], 0, maxRepetitions, - walkCb.bind (me, req)); - else - this.getNext ([oid], walkCb.bind (me, req)); - - return this; -}; - -/***************************************************************************** - ** Exports - **/ - -exports.Session = Session; - -exports.createSession = function (target, community, options) { - return new Session (target, community, options); -}; - -exports.isVarbindError = isVarbindError; -exports.varbindError = varbindError; - -exports.Version1 = Version1; -exports.Version2c = Version2c; - -exports.ErrorStatus = ErrorStatus; -exports.TrapType = TrapType; -exports.ObjectType = ObjectType; - -exports.ResponseInvalidError = ResponseInvalidError; -exports.RequestInvalidError = RequestInvalidError; -exports.RequestFailedError = RequestFailedError; -exports.RequestTimedOutError = RequestTimedOutError; - -/** - ** We've added this for testing. - **/ -exports.ObjectParser = { - readInt: readInt, - readUint: readUint -}; -- cgit v1.2.3