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-rw-r--r--collectors/node.d.plugin/node_modules/asn1-ber.js7
-rw-r--r--collectors/node.d.plugin/node_modules/extend.js88
-rw-r--r--collectors/node.d.plugin/node_modules/lib/ber/errors.js10
-rw-r--r--collectors/node.d.plugin/node_modules/lib/ber/index.js18
-rw-r--r--collectors/node.d.plugin/node_modules/lib/ber/reader.js270
-rw-r--r--collectors/node.d.plugin/node_modules/lib/ber/types.js35
-rw-r--r--collectors/node.d.plugin/node_modules/lib/ber/writer.js318
-rw-r--r--collectors/node.d.plugin/node_modules/net-snmp.js3452
-rw-r--r--collectors/node.d.plugin/node_modules/netdata.js654
-rw-r--r--collectors/node.d.plugin/node_modules/pixl-xml.js607
10 files changed, 5459 insertions, 0 deletions
diff --git a/collectors/node.d.plugin/node_modules/asn1-ber.js b/collectors/node.d.plugin/node_modules/asn1-ber.js
new file mode 100644
index 0000000..55c8f68
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/asn1-ber.js
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: MIT
+
+var Ber = require('./lib/ber/index')
+
+exports.Ber = Ber
+exports.BerReader = Ber.Reader
+exports.BerWriter = Ber.Writer
diff --git a/collectors/node.d.plugin/node_modules/extend.js b/collectors/node.d.plugin/node_modules/extend.js
new file mode 100644
index 0000000..3cd2e91
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/extend.js
@@ -0,0 +1,88 @@
+// https://github.com/justmoon/node-extend
+// SPDX-License-Identifier: MIT
+
+'use strict';
+
+var hasOwn = Object.prototype.hasOwnProperty;
+var toStr = Object.prototype.toString;
+
+var isArray = function isArray(arr) {
+ if (typeof Array.isArray === 'function') {
+ return Array.isArray(arr);
+ }
+
+ return toStr.call(arr) === '[object Array]';
+};
+
+var isPlainObject = function isPlainObject(obj) {
+ if (!obj || toStr.call(obj) !== '[object Object]') {
+ return false;
+ }
+
+ var hasOwnConstructor = hasOwn.call(obj, 'constructor');
+ var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');
+ // Not own constructor property must be Object
+ if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {
+ return false;
+ }
+
+ // Own properties are enumerated firstly, so to speed up,
+ // if last one is own, then all properties are own.
+ var key;
+ for (key in obj) { /**/ }
+
+ return typeof key === 'undefined' || hasOwn.call(obj, key);
+};
+
+module.exports = function extend() {
+ var options, name, src, copy, copyIsArray, clone;
+ var target = arguments[0];
+ var i = 1;
+ var length = arguments.length;
+ var deep = false;
+
+ // Handle a deep copy situation
+ if (typeof target === 'boolean') {
+ deep = target;
+ target = arguments[1] || {};
+ // skip the boolean and the target
+ i = 2;
+ } else if ((typeof target !== 'object' && typeof target !== 'function') || target == null) {
+ target = {};
+ }
+
+ for (; i < length; ++i) {
+ options = arguments[i];
+ // Only deal with non-null/undefined values
+ if (options != null) {
+ // Extend the base object
+ for (name in options) {
+ src = target[name];
+ copy = options[name];
+
+ // Prevent never-ending loop
+ if (target !== copy) {
+ // Recurse if we're merging plain objects or arrays
+ if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
+ if (copyIsArray) {
+ copyIsArray = false;
+ clone = src && isArray(src) ? src : [];
+ } else {
+ clone = src && isPlainObject(src) ? src : {};
+ }
+
+ // Never move original objects, clone them
+ target[name] = extend(deep, clone, copy);
+
+ // Don't bring in undefined values
+ } else if (typeof copy !== 'undefined') {
+ target[name] = copy;
+ }
+ }
+ }
+ }
+ }
+
+ // Return the modified object
+ return target;
+};
diff --git a/collectors/node.d.plugin/node_modules/lib/ber/errors.js b/collectors/node.d.plugin/node_modules/lib/ber/errors.js
new file mode 100644
index 0000000..1c0df7b
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/lib/ber/errors.js
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+
+module.exports = {
+ InvalidAsn1Error: function(msg) {
+ var e = new Error()
+ e.name = 'InvalidAsn1Error'
+ e.message = msg || ''
+ return e
+ }
+}
diff --git a/collectors/node.d.plugin/node_modules/lib/ber/index.js b/collectors/node.d.plugin/node_modules/lib/ber/index.js
new file mode 100644
index 0000000..eb69ec5
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/lib/ber/index.js
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+
+var errors = require('./errors')
+var types = require('./types')
+
+var Reader = require('./reader')
+var Writer = require('./writer')
+
+for (var t in types)
+ if (types.hasOwnProperty(t))
+ exports[t] = types[t]
+
+for (var e in errors)
+ if (errors.hasOwnProperty(e))
+ exports[e] = errors[e]
+
+exports.Reader = Reader
+exports.Writer = Writer
diff --git a/collectors/node.d.plugin/node_modules/lib/ber/reader.js b/collectors/node.d.plugin/node_modules/lib/ber/reader.js
new file mode 100644
index 0000000..06decf4
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/lib/ber/reader.js
@@ -0,0 +1,270 @@
+// SPDX-License-Identifier: MIT
+
+var assert = require('assert');
+
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+///--- Globals
+
+var InvalidAsn1Error = errors.InvalidAsn1Error;
+
+
+
+///--- API
+
+function Reader(data) {
+ if (!data || !Buffer.isBuffer(data))
+ throw new TypeError('data must be a node Buffer');
+
+ this._buf = data;
+ this._size = data.length;
+
+ // These hold the "current" state
+ this._len = 0;
+ this._offset = 0;
+}
+
+Object.defineProperty(Reader.prototype, 'length', {
+ enumerable: true,
+ get: function () { return (this._len); }
+});
+
+Object.defineProperty(Reader.prototype, 'offset', {
+ enumerable: true,
+ get: function () { return (this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'remain', {
+ get: function () { return (this._size - this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'buffer', {
+ get: function () { return (this._buf.slice(this._offset)); }
+});
+
+
+/**
+ * Reads a single byte and advances offset; you can pass in `true` to make this
+ * a "peek" operation (i.e., get the byte, but don't advance the offset).
+ *
+ * @param {Boolean} peek true means don't move offset.
+ * @return {Number} the next byte, null if not enough data.
+ */
+Reader.prototype.readByte = function(peek) {
+ if (this._size - this._offset < 1)
+ return null;
+
+ var b = this._buf[this._offset] & 0xff;
+
+ if (!peek)
+ this._offset += 1;
+
+ return b;
+};
+
+
+Reader.prototype.peek = function() {
+ return this.readByte(true);
+};
+
+
+/**
+ * Reads a (potentially) variable length off the BER buffer. This call is
+ * not really meant to be called directly, as callers have to manipulate
+ * the internal buffer afterwards.
+ *
+ * As a result of this call, you can call `Reader.length`, until the
+ * next thing called that does a readLength.
+ *
+ * @return {Number} the amount of offset to advance the buffer.
+ * @throws {InvalidAsn1Error} on bad ASN.1
+ */
+Reader.prototype.readLength = function(offset) {
+ if (offset === undefined)
+ offset = this._offset;
+
+ if (offset >= this._size)
+ return null;
+
+ var lenB = this._buf[offset++] & 0xff;
+ if (lenB === null)
+ return null;
+
+ if ((lenB & 0x80) == 0x80) {
+ lenB &= 0x7f;
+
+ if (lenB == 0)
+ throw InvalidAsn1Error('Indefinite length not supported');
+
+ if (lenB > 4)
+ throw InvalidAsn1Error('encoding too long');
+
+ if (this._size - offset < lenB)
+ return null;
+
+ this._len = 0;
+ for (var i = 0; i < lenB; i++)
+ this._len = (this._len << 8) + (this._buf[offset++] & 0xff);
+
+ } else {
+ // Wasn't a variable length
+ this._len = lenB;
+ }
+
+ return offset;
+};
+
+
+/**
+ * Parses the next sequence in this BER buffer.
+ *
+ * To get the length of the sequence, call `Reader.length`.
+ *
+ * @return {Number} the sequence's tag.
+ */
+Reader.prototype.readSequence = function(tag) {
+ var seq = this.peek();
+ if (seq === null)
+ return null;
+ if (tag !== undefined && tag !== seq)
+ throw InvalidAsn1Error('Expected 0x' + tag.toString(16) +
+ ': got 0x' + seq.toString(16));
+
+ var o = this.readLength(this._offset + 1); // stored in `length`
+ if (o === null)
+ return null;
+
+ this._offset = o;
+ return seq;
+};
+
+
+Reader.prototype.readInt = function(tag) {
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Integer;
+
+ return this._readTag(ASN1.Integer);
+};
+
+
+Reader.prototype.readBoolean = function(tag) {
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Boolean;
+
+ return (this._readTag(tag) === 0 ? false : true);
+};
+
+
+Reader.prototype.readEnumeration = function(tag) {
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Enumeration;
+
+ return this._readTag(ASN1.Enumeration);
+};
+
+
+Reader.prototype.readString = function(tag, retbuf) {
+ if (!tag)
+ tag = ASN1.OctetString;
+
+ var b = this.peek();
+ if (b === null)
+ return null;
+
+ if (b !== tag)
+ throw InvalidAsn1Error('Expected 0x' + tag.toString(16) +
+ ': got 0x' + b.toString(16));
+
+ var o = this.readLength(this._offset + 1); // stored in `length`
+
+ if (o === null)
+ return null;
+
+ if (this.length > this._size - o)
+ return null;
+
+ this._offset = o;
+
+ if (this.length === 0)
+ return retbuf ? new Buffer(0) : '';
+
+ var str = this._buf.slice(this._offset, this._offset + this.length);
+ this._offset += this.length;
+
+ return retbuf ? str : str.toString('utf8');
+};
+
+Reader.prototype.readOID = function(tag) {
+ if (!tag)
+ tag = ASN1.OID;
+
+ var b = this.readString(tag, true);
+ if (b === null)
+ return null;
+
+ var values = [];
+ var value = 0;
+
+ for (var i = 0; i < b.length; i++) {
+ var byte = b[i] & 0xff;
+
+ value <<= 7;
+ value += byte & 0x7f;
+ if ((byte & 0x80) == 0) {
+ values.push(value >>> 0);
+ value = 0;
+ }
+ }
+
+ value = values.shift();
+ values.unshift(value % 40);
+ values.unshift((value / 40) >> 0);
+
+ return values.join('.');
+};
+
+
+Reader.prototype._readTag = function(tag) {
+ assert.ok(tag !== undefined);
+
+ var b = this.peek();
+
+ if (b === null)
+ return null;
+
+ if (b !== tag)
+ throw InvalidAsn1Error('Expected 0x' + tag.toString(16) +
+ ': got 0x' + b.toString(16));
+
+ var o = this.readLength(this._offset + 1); // stored in `length`
+ if (o === null)
+ return null;
+
+ if (this.length > 4)
+ throw InvalidAsn1Error('Integer too long: ' + this.length);
+
+ if (this.length > this._size - o)
+ return null;
+ this._offset = o;
+
+ var fb = this._buf[this._offset];
+ var value = 0;
+
+ for (var i = 0; i < this.length; i++) {
+ value <<= 8;
+ value |= (this._buf[this._offset++] & 0xff);
+ }
+
+ if ((fb & 0x80) == 0x80 && i !== 4)
+ value -= (1 << (i * 8));
+
+ return value >> 0;
+};
+
+
+
+///--- Exported API
+
+module.exports = Reader;
diff --git a/collectors/node.d.plugin/node_modules/lib/ber/types.js b/collectors/node.d.plugin/node_modules/lib/ber/types.js
new file mode 100644
index 0000000..7519ddc
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/lib/ber/types.js
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: MIT
+
+module.exports = {
+ EOC: 0,
+ Boolean: 1,
+ Integer: 2,
+ BitString: 3,
+ OctetString: 4,
+ Null: 5,
+ OID: 6,
+ ObjectDescriptor: 7,
+ External: 8,
+ Real: 9,
+ Enumeration: 10,
+ PDV: 11,
+ Utf8String: 12,
+ RelativeOID: 13,
+ Sequence: 16,
+ Set: 17,
+ NumericString: 18,
+ PrintableString: 19,
+ T61String: 20,
+ VideotexString: 21,
+ IA5String: 22,
+ UTCTime: 23,
+ GeneralizedTime: 24,
+ GraphicString: 25,
+ VisibleString: 26,
+ GeneralString: 28,
+ UniversalString: 29,
+ CharacterString: 30,
+ BMPString: 31,
+ Constructor: 32,
+ Context: 128
+}
diff --git a/collectors/node.d.plugin/node_modules/lib/ber/writer.js b/collectors/node.d.plugin/node_modules/lib/ber/writer.js
new file mode 100644
index 0000000..d3a718f
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/lib/ber/writer.js
@@ -0,0 +1,318 @@
+// SPDX-License-Identifier: MIT
+
+var assert = require('assert');
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+///--- Globals
+
+var InvalidAsn1Error = errors.InvalidAsn1Error;
+
+var DEFAULT_OPTS = {
+ size: 1024,
+ growthFactor: 8
+};
+
+
+///--- Helpers
+
+function merge(from, to) {
+ assert.ok(from);
+ assert.equal(typeof(from), 'object');
+ assert.ok(to);
+ assert.equal(typeof(to), 'object');
+
+ var keys = Object.getOwnPropertyNames(from);
+ keys.forEach(function(key) {
+ if (to[key])
+ return;
+
+ var value = Object.getOwnPropertyDescriptor(from, key);
+ Object.defineProperty(to, key, value);
+ });
+
+ return to;
+}
+
+
+
+///--- API
+
+function Writer(options) {
+ options = merge(DEFAULT_OPTS, options || {});
+
+ this._buf = new Buffer(options.size || 1024);
+ this._size = this._buf.length;
+ this._offset = 0;
+ this._options = options;
+
+ // A list of offsets in the buffer where we need to insert
+ // sequence tag/len pairs.
+ this._seq = [];
+}
+
+Object.defineProperty(Writer.prototype, 'buffer', {
+ get: function () {
+ if (this._seq.length)
+ throw new InvalidAsn1Error(this._seq.length + ' unended sequence(s)');
+
+ return (this._buf.slice(0, this._offset));
+ }
+});
+
+Writer.prototype.writeByte = function(b) {
+ if (typeof(b) !== 'number')
+ throw new TypeError('argument must be a Number');
+
+ this._ensure(1);
+ this._buf[this._offset++] = b;
+};
+
+
+Writer.prototype.writeInt = function(i, tag) {
+ if (typeof(i) !== 'number')
+ throw new TypeError('argument must be a Number');
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Integer;
+
+ var sz = 4;
+
+ while ((((i & 0xff800000) === 0) || ((i & 0xff800000) === 0xff800000 >> 0)) &&
+ (sz > 1)) {
+ sz--;
+ i <<= 8;
+ }
+
+ if (sz > 4)
+ throw new InvalidAsn1Error('BER ints cannot be > 0xffffffff');
+
+ this._ensure(2 + sz);
+ this._buf[this._offset++] = tag;
+ this._buf[this._offset++] = sz;
+
+ while (sz-- > 0) {
+ this._buf[this._offset++] = ((i & 0xff000000) >>> 24);
+ i <<= 8;
+ }
+
+};
+
+
+Writer.prototype.writeNull = function() {
+ this.writeByte(ASN1.Null);
+ this.writeByte(0x00);
+};
+
+
+Writer.prototype.writeEnumeration = function(i, tag) {
+ if (typeof(i) !== 'number')
+ throw new TypeError('argument must be a Number');
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Enumeration;
+
+ return this.writeInt(i, tag);
+};
+
+
+Writer.prototype.writeBoolean = function(b, tag) {
+ if (typeof(b) !== 'boolean')
+ throw new TypeError('argument must be a Boolean');
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Boolean;
+
+ this._ensure(3);
+ this._buf[this._offset++] = tag;
+ this._buf[this._offset++] = 0x01;
+ this._buf[this._offset++] = b ? 0xff : 0x00;
+};
+
+
+Writer.prototype.writeString = function(s, tag) {
+ if (typeof(s) !== 'string')
+ throw new TypeError('argument must be a string (was: ' + typeof(s) + ')');
+ if (typeof(tag) !== 'number')
+ tag = ASN1.OctetString;
+
+ var len = Buffer.byteLength(s);
+ this.writeByte(tag);
+ this.writeLength(len);
+ if (len) {
+ this._ensure(len);
+ this._buf.write(s, this._offset);
+ this._offset += len;
+ }
+};
+
+
+Writer.prototype.writeBuffer = function(buf, tag) {
+ if (!Buffer.isBuffer(buf))
+ throw new TypeError('argument must be a buffer');
+
+ // If no tag is specified we will assume `buf` already contains tag and length
+ if (typeof(tag) === 'number') {
+ this.writeByte(tag);
+ this.writeLength(buf.length);
+ }
+
+ this._ensure(buf.length);
+ buf.copy(this._buf, this._offset, 0, buf.length);
+ this._offset += buf.length;
+};
+
+
+Writer.prototype.writeStringArray = function(strings, tag) {
+ if (! (strings instanceof Array))
+ throw new TypeError('argument must be an Array[String]');
+
+ var self = this;
+ strings.forEach(function(s) {
+ self.writeString(s, tag);
+ });
+};
+
+// This is really to solve DER cases, but whatever for now
+Writer.prototype.writeOID = function(s, tag) {
+ if (typeof(s) !== 'string')
+ throw new TypeError('argument must be a string');
+ if (typeof(tag) !== 'number')
+ tag = ASN1.OID;
+
+ if (!/^([0-9]+\.){3,}[0-9]+$/.test(s))
+ throw new Error('argument is not a valid OID string');
+
+ function encodeOctet(bytes, octet) {
+ if (octet < 128) {
+ bytes.push(octet);
+ } else if (octet < 16384) {
+ bytes.push((octet >>> 7) | 0x80);
+ bytes.push(octet & 0x7F);
+ } else if (octet < 2097152) {
+ bytes.push((octet >>> 14) | 0x80);
+ bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+ bytes.push(octet & 0x7F);
+ } else if (octet < 268435456) {
+ bytes.push((octet >>> 21) | 0x80);
+ bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+ bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+ bytes.push(octet & 0x7F);
+ } else {
+ bytes.push(((octet >>> 28) | 0x80) & 0xFF);
+ bytes.push(((octet >>> 21) | 0x80) & 0xFF);
+ bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+ bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+ bytes.push(octet & 0x7F);
+ }
+ }
+
+ var tmp = s.split('.');
+ var bytes = [];
+ bytes.push(parseInt(tmp[0], 10) * 40 + parseInt(tmp[1], 10));
+ tmp.slice(2).forEach(function(b) {
+ encodeOctet(bytes, parseInt(b, 10));
+ });
+
+ var self = this;
+ this._ensure(2 + bytes.length);
+ this.writeByte(tag);
+ this.writeLength(bytes.length);
+ bytes.forEach(function(b) {
+ self.writeByte(b);
+ });
+};
+
+
+Writer.prototype.writeLength = function(len) {
+ if (typeof(len) !== 'number')
+ throw new TypeError('argument must be a Number');
+
+ this._ensure(4);
+
+ if (len <= 0x7f) {
+ this._buf[this._offset++] = len;
+ } else if (len <= 0xff) {
+ this._buf[this._offset++] = 0x81;
+ this._buf[this._offset++] = len;
+ } else if (len <= 0xffff) {
+ this._buf[this._offset++] = 0x82;
+ this._buf[this._offset++] = len >> 8;
+ this._buf[this._offset++] = len;
+ } else if (len <= 0xffffff) {
+ this._buf[this._offset++] = 0x83;
+ this._buf[this._offset++] = len >> 16;
+ this._buf[this._offset++] = len >> 8;
+ this._buf[this._offset++] = len;
+ } else {
+ throw new InvalidAsn1Error('Length too long (> 4 bytes)');
+ }
+};
+
+Writer.prototype.startSequence = function(tag) {
+ if (typeof(tag) !== 'number')
+ tag = ASN1.Sequence | ASN1.Constructor;
+
+ this.writeByte(tag);
+ this._seq.push(this._offset);
+ this._ensure(3);
+ this._offset += 3;
+};
+
+
+Writer.prototype.endSequence = function() {
+ var seq = this._seq.pop();
+ var start = seq + 3;
+ var len = this._offset - start;
+
+ if (len <= 0x7f) {
+ this._shift(start, len, -2);
+ this._buf[seq] = len;
+ } else if (len <= 0xff) {
+ this._shift(start, len, -1);
+ this._buf[seq] = 0x81;
+ this._buf[seq + 1] = len;
+ } else if (len <= 0xffff) {
+ this._buf[seq] = 0x82;
+ this._buf[seq + 1] = len >> 8;
+ this._buf[seq + 2] = len;
+ } else if (len <= 0xffffff) {
+ this._shift(start, len, 1);
+ this._buf[seq] = 0x83;
+ this._buf[seq + 1] = len >> 16;
+ this._buf[seq + 2] = len >> 8;
+ this._buf[seq + 3] = len;
+ } else {
+ throw new InvalidAsn1Error('Sequence too long');
+ }
+};
+
+
+Writer.prototype._shift = function(start, len, shift) {
+ assert.ok(start !== undefined);
+ assert.ok(len !== undefined);
+ assert.ok(shift);
+
+ this._buf.copy(this._buf, start + shift, start, start + len);
+ this._offset += shift;
+};
+
+Writer.prototype._ensure = function(len) {
+ assert.ok(len);
+
+ if (this._size - this._offset < len) {
+ var sz = this._size * this._options.growthFactor;
+ if (sz - this._offset < len)
+ sz += len;
+
+ var buf = new Buffer(sz);
+
+ this._buf.copy(buf, 0, 0, this._offset);
+ this._buf = buf;
+ this._size = sz;
+ }
+};
+
+
+
+///--- Exported API
+
+module.exports = Writer;
diff --git a/collectors/node.d.plugin/node_modules/net-snmp.js b/collectors/node.d.plugin/node_modules/net-snmp.js
new file mode 100644
index 0000000..6b5b754
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/net-snmp.js
@@ -0,0 +1,3452 @@
+// Copyright 2013 Stephen Vickers <stephen.vickers.sv@gmail.com>
+// SPDX-License-Identifier: MIT
+
+var ber = require("asn1-ber").Ber;
+var dgram = require("dgram");
+var events = require("events");
+var util = require("util");
+var crypto = require("crypto");
+
+var DEBUG = false;
+
+var MAX_INT32 = 2147483647;
+
+function debug(line) {
+ if (DEBUG) {
+ console.debug(line);
+ }
+}
+
+/*****************************************************************************
+ ** 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 SecurityLevel = {
+ 1: "noAuthNoPriv",
+ 2: "authNoPriv",
+ 3: "authPriv"
+};
+
+_expandConstantObject(SecurityLevel);
+
+var AuthProtocols = {
+ "1": "none",
+ "2": "md5",
+ "3": "sha"
+};
+
+_expandConstantObject(AuthProtocols);
+
+var PrivProtocols = {
+ "1": "none",
+ "2": "des"
+};
+
+_expandConstantObject(PrivProtocols);
+
+var MibProviderType = {
+ "1": "Scalar",
+ "2": "Table"
+};
+
+_expandConstantObject(MibProviderType);
+
+var Version1 = 0;
+var Version2c = 1;
+var Version3 = 3;
+
+var Version = {
+ "1": Version1,
+ "2c": Version2c,
+ "3": Version3
+};
+
+/*****************************************************************************
+ ** 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 readIpAddress(buffer) {
+ 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");
+ var value = bytes[0] + "." + bytes[1] + "." + bytes[2] + "." + bytes[3];
+ return value;
+}
+
+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();
+ if (buffer.peek() != ObjectType.OID)
+ break;
+ 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 = Buffer.alloc(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(Buffer.from(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 if (type == ObjectType.EndOfMibView) {
+ buffer.writeByte(130);
+ buffer.writeByte(0);
+ } else {
+ throw new RequestInvalidError("Unknown type '" + type
+ + "' in request");
+ }
+ } else {
+ buffer.writeNull();
+ }
+
+ buffer.endSequence();
+ }
+ buffer.endSequence();
+}
+
+/*****************************************************************************
+ ** PDU class definitions
+ **/
+
+var SimplePdu = function () {
+};
+
+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();
+};
+
+SimplePdu.prototype.initializeFromVariables = function (id, varbinds, options) {
+ this.id = id;
+ this.varbinds = varbinds;
+ this.options = options || {};
+ this.contextName = (options && options.context) ? options.context : "";
+}
+
+SimplePdu.prototype.initializeFromBuffer = function (reader) {
+ this.type = reader.peek();
+ reader.readSequence();
+
+ this.id = reader.readInt();
+ this.nonRepeaters = reader.readInt();
+ this.maxRepetitions = reader.readInt();
+
+ this.varbinds = [];
+ readVarbinds(reader, this.varbinds);
+
+};
+
+SimplePdu.prototype.getResponsePduForRequest = function () {
+ var responsePdu = GetResponsePdu.createFromVariables(this.id, [], {});
+ if (this.contextEngineID) {
+ responsePdu.contextEngineID = this.contextEngineID;
+ responsePdu.contextName = this.contextName;
+ }
+ return responsePdu;
+};
+
+SimplePdu.createFromVariables = function (pduClass, id, varbinds, options) {
+ var pdu = new pduClass(id, varbinds, options);
+ pdu.id = id;
+ pdu.varbinds = varbinds;
+ pdu.options = options || {};
+ pdu.contextName = (options && options.context) ? options.context : "";
+ return pdu;
+};
+
+var GetBulkRequestPdu = function () {
+ this.type = PduType.GetBulkRequest;
+ GetBulkRequestPdu.super_.apply(this, arguments);
+};
+
+util.inherits(GetBulkRequestPdu, SimplePdu);
+
+GetBulkRequestPdu.createFromBuffer = function (reader) {
+ var pdu = new GetBulkRequestPdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+var GetNextRequestPdu = function () {
+ this.type = PduType.GetNextRequest;
+ GetNextRequestPdu.super_.apply(this, arguments);
+};
+
+util.inherits(GetNextRequestPdu, SimplePdu);
+
+GetNextRequestPdu.createFromBuffer = function (reader) {
+ var pdu = new GetNextRequestPdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+var GetRequestPdu = function () {
+ this.type = PduType.GetRequest;
+ GetRequestPdu.super_.apply(this, arguments);
+};
+
+util.inherits(GetRequestPdu, SimplePdu);
+
+GetRequestPdu.createFromBuffer = function (reader) {
+ var pdu = new GetRequestPdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+GetRequestPdu.createFromVariables = function (id, varbinds, options) {
+ var pdu = new GetRequestPdu();
+ pdu.initializeFromVariables(id, varbinds, options);
+ return pdu;
+};
+
+var InformRequestPdu = function () {
+ this.type = PduType.InformRequest;
+ InformRequestPdu.super_.apply(this, arguments);
+};
+
+util.inherits(InformRequestPdu, SimplePdu);
+
+InformRequestPdu.createFromBuffer = function (reader) {
+ var pdu = new InformRequestPdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+var SetRequestPdu = function () {
+ this.type = PduType.SetRequest;
+ SetRequestPdu.super_.apply(this, arguments);
+};
+
+util.inherits(SetRequestPdu, SimplePdu);
+
+SetRequestPdu.createFromBuffer = function (reader) {
+ var pdu = new SetRequestPdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+var TrapPdu = function () {
+ this.type = PduType.Trap;
+};
+
+TrapPdu.prototype.toBuffer = function (buffer) {
+ buffer.startSequence(this.type);
+
+ buffer.writeOID(this.enterprise);
+ buffer.writeBuffer(Buffer.from(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();
+};
+
+TrapPdu.createFromBuffer = function (reader) {
+ var pdu = new TrapPdu();
+ reader.readSequence();
+
+ pdu.enterprise = reader.readOID();
+ pdu.agentAddr = readIpAddress(reader);
+ pdu.generic = reader.readInt();
+ pdu.specific = reader.readInt();
+ pdu.upTime = readUint(reader)
+
+ pdu.varbinds = [];
+ readVarbinds(reader, pdu.varbinds);
+
+ return pdu;
+};
+
+TrapPdu.createFromVariables = function (typeOrOid, varbinds, options) {
+ var pdu = new TrapPdu();
+ pdu.agentAddr = options.agentAddr || "127.0.0.1";
+ pdu.upTime = options.upTime;
+
+ if (typeof typeOrOid == "string") {
+ pdu.generic = TrapType.EnterpriseSpecific;
+ pdu.specific = parseInt(typeOrOid.match(/\.(\d+)$/)[1]);
+ pdu.enterprise = typeOrOid.replace(/\.(\d+)$/, "");
+ } else {
+ pdu.generic = typeOrOid;
+ pdu.specific = 0;
+ pdu.enterprise = "1.3.6.1.4.1";
+ }
+
+ pdu.varbinds = varbinds;
+
+ return pdu;
+};
+
+var TrapV2Pdu = function () {
+ this.type = PduType.TrapV2;
+ TrapV2Pdu.super_.apply(this, arguments);
+};
+
+util.inherits(TrapV2Pdu, SimplePdu);
+
+TrapV2Pdu.createFromBuffer = function (reader) {
+ var pdu = new TrapV2Pdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+TrapV2Pdu.createFromVariables = function (id, varbinds, options) {
+ var pdu = new TrapV2Pdu();
+ pdu.initializeFromVariables(id, varbinds, options);
+ return pdu;
+};
+
+var SimpleResponsePdu = function () {
+};
+
+SimpleResponsePdu.prototype.toBuffer = function (writer) {
+ writer.startSequence(this.type);
+
+ writer.writeInt(this.id);
+ writer.writeInt(this.errorStatus || 0);
+ writer.writeInt(this.errorIndex || 0);
+ writeVarbinds(writer, this.varbinds);
+ writer.endSequence();
+
+};
+
+SimpleResponsePdu.prototype.initializeFromBuffer = function (reader) {
+ reader.readSequence(this.type);
+
+ this.id = reader.readInt();
+ this.errorStatus = reader.readInt();
+ this.errorIndex = reader.readInt();
+
+ this.varbinds = [];
+ readVarbinds(reader, this.varbinds);
+};
+
+SimpleResponsePdu.prototype.initializeFromVariables = function (id, varbinds, options) {
+ this.id = id;
+ this.varbinds = varbinds;
+ this.options = options || {};
+};
+
+var GetResponsePdu = function () {
+ this.type = PduType.GetResponse;
+ GetResponsePdu.super_.apply(this, arguments);
+};
+
+util.inherits(GetResponsePdu, SimpleResponsePdu);
+
+GetResponsePdu.createFromBuffer = function (reader) {
+ var pdu = new GetResponsePdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+GetResponsePdu.createFromVariables = function (id, varbinds, options) {
+ var pdu = new GetResponsePdu();
+ pdu.initializeFromVariables(id, varbinds, options);
+ return pdu;
+};
+
+var ReportPdu = function () {
+ this.type = PduType.Report;
+ ReportPdu.super_.apply(this, arguments);
+};
+
+util.inherits(ReportPdu, SimpleResponsePdu);
+
+ReportPdu.createFromBuffer = function (reader) {
+ var pdu = new ReportPdu();
+ pdu.initializeFromBuffer(reader);
+ return pdu;
+};
+
+ReportPdu.createFromVariables = function (id, varbinds, options) {
+ var pdu = new ReportPdu();
+ pdu.initializeFromVariables(id, varbinds, options);
+ return pdu;
+};
+
+var readPdu = function (reader, scoped) {
+ var pdu;
+ var contextEngineID;
+ var contextName;
+ if (scoped) {
+ reader.readSequence();
+ contextEngineID = reader.readString(ber.OctetString, true);
+ contextName = reader.readString();
+ }
+ var type = reader.peek();
+
+ if (type == PduType.GetResponse) {
+ pdu = GetResponsePdu.createFromBuffer(reader);
+ } else if (type == PduType.Report) {
+ pdu = ReportPdu.createFromBuffer(reader);
+ } else if (type == PduType.Trap) {
+ pdu = TrapPdu.createFromBuffer(reader);
+ } else if (type == PduType.TrapV2) {
+ pdu = TrapV2Pdu.createFromBuffer(reader);
+ } else if (type == PduType.InformRequest) {
+ pdu = InformRequestPdu.createFromBuffer(reader);
+ } else if (type == PduType.GetRequest) {
+ pdu = GetRequestPdu.createFromBuffer(reader);
+ } else if (type == PduType.SetRequest) {
+ pdu = SetRequestPdu.createFromBuffer(reader);
+ } else if (type == PduType.GetNextRequest) {
+ pdu = GetNextRequestPdu.createFromBuffer(reader);
+ } else if (type == PduType.GetBulkRequest) {
+ pdu = GetBulkRequestPdu.createFromBuffer(reader);
+ } else {
+ throw new ResponseInvalidError("Unknown PDU type '" + type
+ + "' in response");
+ }
+ if (scoped) {
+ pdu.contextEngineID = contextEngineID;
+ pdu.contextName = contextName;
+ }
+ pdu.scoped = scoped;
+ return pdu;
+};
+
+var createDiscoveryPdu = function (context) {
+ return GetRequestPdu.createFromVariables(_generateId(), [], {context: context});
+};
+
+var Authentication = {};
+
+Authentication.HMAC_BUFFER_SIZE = 1024 * 1024;
+Authentication.HMAC_BLOCK_SIZE = 64;
+Authentication.AUTHENTICATION_CODE_LENGTH = 12;
+Authentication.AUTH_PARAMETERS_PLACEHOLDER = Buffer.from('8182838485868788898a8b8c', 'hex');
+
+Authentication.algorithms = {};
+
+Authentication.algorithms[AuthProtocols.md5] = {
+ // KEY_LENGTH: 16,
+ CRYPTO_ALGORITHM: 'md5'
+};
+
+Authentication.algorithms[AuthProtocols.sha] = {
+ // KEY_LENGTH: 20,
+ CRYPTO_ALGORITHM: 'sha1'
+};
+
+// Adapted from RFC3414 Appendix A.2.1. Password to Key Sample Code for MD5
+Authentication.passwordToKey = function (authProtocol, authPasswordString, engineID) {
+ var hashAlgorithm;
+ var firstDigest;
+ var finalDigest;
+ var buf = Buffer.alloc(Authentication.HMAC_BUFFER_SIZE);
+ var bufOffset = 0;
+ var passwordIndex = 0;
+ var count = 0;
+ var password = Buffer.from(authPasswordString);
+ var cryptoAlgorithm = Authentication.algorithms[authProtocol].CRYPTO_ALGORITHM;
+
+ while (count < Authentication.HMAC_BUFFER_SIZE) {
+ for (var i = 0; i < Authentication.HMAC_BLOCK_SIZE; i++) {
+ buf.writeUInt8(password[passwordIndex++ % password.length], bufOffset++);
+ }
+ count += Authentication.HMAC_BLOCK_SIZE;
+ }
+ hashAlgorithm = crypto.createHash(cryptoAlgorithm);
+ hashAlgorithm.update(buf);
+ firstDigest = hashAlgorithm.digest();
+ // debug ("First digest: " + firstDigest.toString('hex'));
+
+ hashAlgorithm = crypto.createHash(cryptoAlgorithm);
+ hashAlgorithm.update(firstDigest);
+ hashAlgorithm.update(engineID);
+ hashAlgorithm.update(firstDigest);
+ finalDigest = hashAlgorithm.digest();
+ debug("Localized key: " + finalDigest.toString('hex'));
+
+ return finalDigest;
+};
+
+Authentication.addParametersToMessageBuffer = function (messageBuffer, authProtocol, authPassword, engineID) {
+ var authenticationParametersOffset;
+ var digestToAdd;
+
+ // clear the authenticationParameters field in message
+ authenticationParametersOffset = messageBuffer.indexOf(Authentication.AUTH_PARAMETERS_PLACEHOLDER);
+ messageBuffer.fill(0, authenticationParametersOffset, authenticationParametersOffset + Authentication.AUTHENTICATION_CODE_LENGTH);
+
+ digestToAdd = Authentication.calculateDigest(messageBuffer, authProtocol, authPassword, engineID);
+ digestToAdd.copy(messageBuffer, authenticationParametersOffset, 0, Authentication.AUTHENTICATION_CODE_LENGTH);
+ debug("Added Auth Parameters: " + digestToAdd.toString('hex'));
+};
+
+Authentication.isAuthentic = function (messageBuffer, authProtocol, authPassword, engineID, digestInMessage) {
+ var authenticationParametersOffset;
+ var calculatedDigest;
+
+ // clear the authenticationParameters field in message
+ authenticationParametersOffset = messageBuffer.indexOf(digestInMessage);
+ messageBuffer.fill(0, authenticationParametersOffset, authenticationParametersOffset + Authentication.AUTHENTICATION_CODE_LENGTH);
+
+ calculatedDigest = Authentication.calculateDigest(messageBuffer, authProtocol, authPassword, engineID);
+
+ // replace previously cleared authenticationParameters field in message
+ digestInMessage.copy(messageBuffer, authenticationParametersOffset, 0, Authentication.AUTHENTICATION_CODE_LENGTH);
+
+ debug("Digest in message: " + digestInMessage.toString('hex'));
+ debug("Calculated digest: " + calculatedDigest.toString('hex'));
+ return calculatedDigest.equals(digestInMessage, Authentication.AUTHENTICATION_CODE_LENGTH);
+};
+
+Authentication.calculateDigest = function (messageBuffer, authProtocol, authPassword, engineID) {
+ var authKey = Authentication.passwordToKey(authProtocol, authPassword, engineID);
+
+ // Adapted from RFC3147 Section 6.3.1. Processing an Outgoing Message
+ var hashAlgorithm;
+ var kIpad;
+ var kOpad;
+ var firstDigest;
+ var finalDigest;
+ var truncatedDigest;
+ var i;
+ var cryptoAlgorithm = Authentication.algorithms[authProtocol].CRYPTO_ALGORITHM;
+
+ if (authKey.length > Authentication.HMAC_BLOCK_SIZE) {
+ hashAlgorithm = crypto.createHash(cryptoAlgorithm);
+ hashAlgorithm.update(authKey);
+ authKey = hashAlgorithm.digest();
+ }
+
+ // MD(K XOR opad, MD(K XOR ipad, msg))
+ kIpad = Buffer.alloc(Authentication.HMAC_BLOCK_SIZE);
+ kOpad = Buffer.alloc(Authentication.HMAC_BLOCK_SIZE);
+ for (i = 0; i < authKey.length; i++) {
+ kIpad[i] = authKey[i] ^ 0x36;
+ kOpad[i] = authKey[i] ^ 0x5c;
+ }
+ kIpad.fill(0x36, authKey.length);
+ kOpad.fill(0x5c, authKey.length);
+
+ // inner MD
+ hashAlgorithm = crypto.createHash(cryptoAlgorithm);
+ hashAlgorithm.update(kIpad);
+ hashAlgorithm.update(messageBuffer);
+ firstDigest = hashAlgorithm.digest();
+ // outer MD
+ hashAlgorithm = crypto.createHash(cryptoAlgorithm);
+ hashAlgorithm.update(kOpad);
+ hashAlgorithm.update(firstDigest);
+ finalDigest = hashAlgorithm.digest();
+
+ truncatedDigest = Buffer.alloc(Authentication.AUTHENTICATION_CODE_LENGTH);
+ finalDigest.copy(truncatedDigest, 0, 0, Authentication.AUTHENTICATION_CODE_LENGTH);
+ return truncatedDigest;
+};
+
+var Encryption = {};
+
+Encryption.INPUT_KEY_LENGTH = 16;
+Encryption.DES_KEY_LENGTH = 8;
+Encryption.DES_BLOCK_LENGTH = 8;
+Encryption.CRYPTO_DES_ALGORITHM = 'des-cbc';
+Encryption.PRIV_PARAMETERS_PLACEHOLDER = Buffer.from('9192939495969798', 'hex');
+
+Encryption.encryptPdu = function (scopedPdu, privProtocol, privPassword, authProtocol, engineID) {
+ var privLocalizedKey;
+ var encryptionKey;
+ var preIv;
+ var salt;
+ var iv;
+ var i;
+ var paddedScopedPduLength;
+ var paddedScopedPdu;
+ var encryptedPdu;
+ var cbcProtocol = Encryption.CRYPTO_DES_ALGORITHM;
+
+ privLocalizedKey = Authentication.passwordToKey(authProtocol, privPassword, engineID);
+ encryptionKey = Buffer.alloc(Encryption.DES_KEY_LENGTH);
+ privLocalizedKey.copy(encryptionKey, 0, 0, Encryption.DES_KEY_LENGTH);
+ preIv = Buffer.alloc(Encryption.DES_BLOCK_LENGTH);
+ privLocalizedKey.copy(preIv, 0, Encryption.DES_KEY_LENGTH, Encryption.DES_KEY_LENGTH + Encryption.DES_BLOCK_LENGTH);
+
+ salt = Buffer.alloc(Encryption.DES_BLOCK_LENGTH);
+ // set local SNMP engine boots part of salt to 1, as we have no persistent engine state
+ salt.fill('00000001', 0, 4, 'hex');
+ // set local integer part of salt to random
+ salt.fill(crypto.randomBytes(4), 4, 8);
+ iv = Buffer.alloc(Encryption.DES_BLOCK_LENGTH);
+ for (i = 0; i < iv.length; i++) {
+ iv[i] = preIv[i] ^ salt[i];
+ }
+
+ if (scopedPdu.length % Encryption.DES_BLOCK_LENGTH == 0) {
+ paddedScopedPdu = scopedPdu;
+ } else {
+ paddedScopedPduLength = Encryption.DES_BLOCK_LENGTH * (Math.floor(scopedPdu.length / Encryption.DES_BLOCK_LENGTH) + 1);
+ paddedScopedPdu = Buffer.alloc(paddedScopedPduLength);
+ scopedPdu.copy(paddedScopedPdu, 0, 0, scopedPdu.length);
+ }
+ cipher = crypto.createCipheriv(cbcProtocol, encryptionKey, iv);
+ encryptedPdu = cipher.update(paddedScopedPdu);
+ encryptedPdu = Buffer.concat([encryptedPdu, cipher.final()]);
+ debug("Key: " + encryptionKey.toString('hex'));
+ debug("IV: " + iv.toString('hex'));
+ debug("Plain: " + paddedScopedPdu.toString('hex'));
+ debug("Encrypted: " + encryptedPdu.toString('hex'));
+
+ return {
+ encryptedPdu: encryptedPdu,
+ msgPrivacyParameters: salt
+ };
+};
+
+Encryption.decryptPdu = function (encryptedPdu, privProtocol, privParameters, privPassword, authProtocol, engineID, forceAutoPaddingDisable) {
+ var privLocalizedKey;
+ var decryptionKey;
+ var preIv;
+ var salt;
+ var iv;
+ var i;
+ var decryptedPdu;
+ var cbcProtocol = Encryption.CRYPTO_DES_ALGORITHM;
+ ;
+
+ privLocalizedKey = Authentication.passwordToKey(authProtocol, privPassword, engineID);
+ decryptionKey = Buffer.alloc(Encryption.DES_KEY_LENGTH);
+ privLocalizedKey.copy(decryptionKey, 0, 0, Encryption.DES_KEY_LENGTH);
+ preIv = Buffer.alloc(Encryption.DES_BLOCK_LENGTH);
+ privLocalizedKey.copy(preIv, 0, Encryption.DES_KEY_LENGTH, Encryption.DES_KEY_LENGTH + Encryption.DES_BLOCK_LENGTH);
+
+ salt = privParameters;
+ iv = Buffer.alloc(Encryption.DES_BLOCK_LENGTH);
+ for (i = 0; i < iv.length; i++) {
+ iv[i] = preIv[i] ^ salt[i];
+ }
+
+ decipher = crypto.createDecipheriv(cbcProtocol, decryptionKey, iv);
+ if (forceAutoPaddingDisable) {
+ decipher.setAutoPadding(false);
+ }
+ decryptedPdu = decipher.update(encryptedPdu);
+ // This try-catch is a workaround for a seemingly incorrect error condition
+ // - where sometimes a decrypt error is thrown with decipher.final()
+ // It replaces this line which should have been sufficient:
+ // decryptedPdu = Buffer.concat ([decryptedPdu, decipher.final()]);
+ try {
+ decryptedPdu = Buffer.concat([decryptedPdu, decipher.final()]);
+ } catch (error) {
+ // debug("Decrypt error: " + error);
+ decipher = crypto.createDecipheriv(cbcProtocol, decryptionKey, iv);
+ decipher.setAutoPadding(false);
+ decryptedPdu = decipher.update(encryptedPdu);
+ decryptedPdu = Buffer.concat([decryptedPdu, decipher.final()]);
+ }
+ debug("Key: " + decryptionKey.toString('hex'));
+ debug("IV: " + iv.toString('hex'));
+ debug("Encrypted: " + encryptedPdu.toString('hex'));
+ debug("Plain: " + decryptedPdu.toString('hex'));
+
+ return decryptedPdu;
+
+};
+
+Encryption.addParametersToMessageBuffer = function (messageBuffer, msgPrivacyParameters) {
+ privacyParametersOffset = messageBuffer.indexOf(Encryption.PRIV_PARAMETERS_PLACEHOLDER);
+ msgPrivacyParameters.copy(messageBuffer, privacyParametersOffset, 0, Encryption.DES_IV_LENGTH);
+};
+
+/*****************************************************************************
+ ** Message class definition
+ **/
+
+var Message = function () {
+}
+
+Message.prototype.getReqId = function () {
+ return this.version == Version3 ? this.msgGlobalData.msgID : this.pdu.id;
+};
+
+Message.prototype.toBuffer = function () {
+ if (this.version == Version3) {
+ return this.toBufferV3();
+ } else {
+ return this.toBufferCommunity();
+ }
+}
+
+Message.prototype.toBufferCommunity = 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;
+};
+
+Message.prototype.toBufferV3 = function () {
+ var encryptionResult;
+
+ if (this.buffer)
+ return this.buffer;
+
+ var writer = new ber.Writer();
+
+ writer.startSequence();
+
+ writer.writeInt(this.version);
+
+ // HeaderData
+ writer.startSequence();
+ writer.writeInt(this.msgGlobalData.msgID);
+ writer.writeInt(this.msgGlobalData.msgMaxSize);
+ writer.writeByte(ber.OctetString);
+ writer.writeByte(1);
+ writer.writeByte(this.msgGlobalData.msgFlags);
+ writer.writeInt(this.msgGlobalData.msgSecurityModel);
+ writer.endSequence();
+
+ // msgSecurityParameters
+ var msgSecurityParametersWriter = new ber.Writer();
+ msgSecurityParametersWriter.startSequence();
+ //msgSecurityParametersWriter.writeString (this.msgSecurityParameters.msgAuthoritativeEngineID);
+ // writing a zero-length buffer fails - should fix asn1-ber for this condition
+ if (this.msgSecurityParameters.msgAuthoritativeEngineID.length == 0) {
+ msgSecurityParametersWriter.writeString("");
+ } else {
+ msgSecurityParametersWriter.writeBuffer(this.msgSecurityParameters.msgAuthoritativeEngineID, ber.OctetString);
+ }
+ msgSecurityParametersWriter.writeInt(this.msgSecurityParameters.msgAuthoritativeEngineBoots);
+ msgSecurityParametersWriter.writeInt(this.msgSecurityParameters.msgAuthoritativeEngineTime);
+ msgSecurityParametersWriter.writeString(this.msgSecurityParameters.msgUserName);
+
+ if (this.hasAuthentication()) {
+ msgSecurityParametersWriter.writeBuffer(Authentication.AUTH_PARAMETERS_PLACEHOLDER, ber.OctetString);
+ // should never happen where msgFlags has no authentication but authentication parameters still present
+ } else if (this.msgSecurityParameters.msgAuthenticationParameters.length > 0) {
+ msgSecurityParametersWriter.writeBuffer(this.msgSecurityParameters.msgAuthenticationParameters, ber.OctetString);
+ } else {
+ msgSecurityParametersWriter.writeString("");
+ }
+
+ if (this.hasPrivacy()) {
+ msgSecurityParametersWriter.writeBuffer(Encryption.PRIV_PARAMETERS_PLACEHOLDER, ber.OctetString);
+ // should never happen where msgFlags has no privacy but privacy parameters still present
+ } else if (this.msgSecurityParameters.msgPrivacyParameters.length > 0) {
+ msgSecurityParametersWriter.writeBuffer(this.msgSecurityParameters.msgPrivacyParameters, ber.OctetString);
+ } else {
+ msgSecurityParametersWriter.writeString("");
+ }
+ msgSecurityParametersWriter.endSequence();
+
+ writer.writeBuffer(msgSecurityParametersWriter.buffer, ber.OctetString);
+
+ // ScopedPDU
+ var scopedPduWriter = new ber.Writer();
+ scopedPduWriter.startSequence();
+ var contextEngineID = this.pdu.contextEngineID ? this.pdu.contextEngineID : this.msgSecurityParameters.msgAuthoritativeEngineID;
+ if (contextEngineID.length == 0) {
+ scopedPduWriter.writeString("");
+ } else {
+ scopedPduWriter.writeBuffer(contextEngineID, ber.OctetString);
+ }
+ scopedPduWriter.writeString(this.pdu.contextName);
+ this.pdu.toBuffer(scopedPduWriter);
+ scopedPduWriter.endSequence();
+
+ if (this.hasPrivacy()) {
+ encryptionResult = Encryption.encryptPdu(scopedPduWriter.buffer, this.user.privProtocol, this.user.privKey, this.user.authProtocol, this.msgSecurityParameters.msgAuthoritativeEngineID);
+ writer.writeBuffer(encryptionResult.encryptedPdu, ber.OctetString);
+ } else {
+ writer.writeBuffer(scopedPduWriter.buffer);
+ }
+
+ writer.endSequence();
+
+ this.buffer = writer.buffer;
+
+ if (this.hasPrivacy()) {
+ Encryption.addParametersToMessageBuffer(this.buffer, encryptionResult.msgPrivacyParameters);
+ }
+
+ if (this.hasAuthentication()) {
+ Authentication.addParametersToMessageBuffer(this.buffer, this.user.authProtocol, this.user.authKey,
+ this.msgSecurityParameters.msgAuthoritativeEngineID);
+ }
+
+ return this.buffer;
+};
+
+Message.prototype.processIncomingSecurity = function (user, responseCb) {
+ if (this.hasPrivacy()) {
+ if (!this.decryptPdu(user, responseCb)) {
+ return false;
+ }
+ }
+
+ if (this.hasAuthentication() && !this.isAuthenticationDisabled()) {
+ return this.checkAuthentication(user, responseCb);
+ } else {
+ return true;
+ }
+};
+
+Message.prototype.decryptPdu = function (user, responseCb) {
+ var decryptedPdu;
+ var decryptedPduReader;
+ try {
+ decryptedPdu = Encryption.decryptPdu(this.encryptedPdu, user.privProtocol,
+ this.msgSecurityParameters.msgPrivacyParameters, user.privKey, user.authProtocol,
+ this.msgSecurityParameters.msgAuthoritativeEngineID);
+ decryptedPduReader = new ber.Reader(decryptedPdu);
+ this.pdu = readPdu(decryptedPduReader, true);
+ return true;
+ // really really occasionally the decrypt truncates a single byte
+ // causing an ASN read failure in readPdu()
+ // in this case, disabling auto padding decrypts the PDU correctly
+ // this try-catch provides the workaround for this condition
+ } catch (possibleTruncationError) {
+ try {
+ decryptedPdu = Encryption.decryptPdu(this.encryptedPdu, user.privProtocol,
+ this.msgSecurityParameters.msgPrivacyParameters, user.privKey, user.authProtocol,
+ this.msgSecurityParameters.msgAuthoritativeEngineID, true);
+ decryptedPduReader = new ber.Reader(decryptedPdu);
+ this.pdu = readPdu(decryptedPduReader, true);
+ return true;
+ } catch (error) {
+ responseCb(new ResponseInvalidError("Failed to decrypt PDU: " + error));
+ return false;
+ }
+ }
+
+};
+
+Message.prototype.checkAuthentication = function (user, responseCb) {
+ if (Authentication.isAuthentic(this.buffer, user.authProtocol, user.authKey,
+ this.msgSecurityParameters.msgAuthoritativeEngineID, this.msgSecurityParameters.msgAuthenticationParameters)) {
+ return true;
+ } else {
+ responseCb(new ResponseInvalidError("Authentication digest "
+ + this.msgSecurityParameters.msgAuthenticationParameters.toString('hex')
+ + " received in message does not match digest "
+ + Authentication.calculateDigest(buffer, user.authProtocol, user.authKey,
+ this.msgSecurityParameters.msgAuthoritativeEngineID).toString('hex')
+ + " calculated for message"));
+ return false;
+ }
+
+};
+
+Message.prototype.hasAuthentication = function () {
+ return this.msgGlobalData && this.msgGlobalData.msgFlags && this.msgGlobalData.msgFlags & 1;
+};
+
+Message.prototype.hasPrivacy = function () {
+ return this.msgGlobalData && this.msgGlobalData.msgFlags && this.msgGlobalData.msgFlags & 2;
+};
+
+Message.prototype.isReportable = function () {
+ return this.msgGlobalData && this.msgGlobalData.msgFlags && this.msgGlobalData.msgFlags & 4;
+};
+
+Message.prototype.setReportable = function (flag) {
+ if (this.msgGlobalData && this.msgGlobalData.msgFlags) {
+ if (flag) {
+ this.msgGlobalData.msgFlags = this.msgGlobalData.msgFlags | 4;
+ } else {
+ this.msgGlobalData.msgFlags = this.msgGlobalData.msgFlags & (255 - 4);
+ }
+ }
+};
+
+Message.prototype.isAuthenticationDisabled = function () {
+ return this.disableAuthentication;
+};
+
+Message.prototype.hasAuthoritativeEngineID = function () {
+ return this.msgSecurityParameters && this.msgSecurityParameters.msgAuthoritativeEngineID &&
+ this.msgSecurityParameters.msgAuthoritativeEngineID != "";
+};
+
+Message.prototype.createReportResponseMessage = function (engine, context) {
+ var user = {
+ name: "",
+ level: SecurityLevel.noAuthNoPriv
+ };
+ var responseSecurityParameters = {
+ msgAuthoritativeEngineID: engine.engineID,
+ msgAuthoritativeEngineBoots: engine.engineBoots,
+ msgAuthoritativeEngineTime: engine.engineTime,
+ msgUserName: user.name,
+ msgAuthenticationParameters: "",
+ msgPrivacyParameters: ""
+ };
+ var reportPdu = ReportPdu.createFromVariables(this.pdu.id, [], {});
+ reportPdu.contextName = context;
+ var responseMessage = Message.createRequestV3(user, responseSecurityParameters, reportPdu);
+ responseMessage.msgGlobalData.msgID = this.msgGlobalData.msgID;
+ return responseMessage;
+};
+
+Message.prototype.createResponseForRequest = function (responsePdu) {
+ if (this.version == Version3) {
+ return this.createV3ResponseFromRequest(responsePdu);
+ } else {
+ return this.createCommunityResponseFromRequest(responsePdu);
+ }
+};
+
+Message.prototype.createCommunityResponseFromRequest = function (responsePdu) {
+ return Message.createCommunity(this.version, this.community, responsePdu);
+};
+
+Message.prototype.createV3ResponseFromRequest = function (responsePdu) {
+ var responseUser = {
+ name: this.user.name,
+ level: this.user.name,
+ authProtocol: this.user.authProtocol,
+ authKey: this.user.authKey,
+ privProtocol: this.user.privProtocol,
+ privKey: this.user.privKey
+ };
+ var responseSecurityParameters = {
+ msgAuthoritativeEngineID: this.msgSecurityParameters.msgAuthoritativeEngineID,
+ msgAuthoritativeEngineBoots: this.msgSecurityParameters.msgAuthoritativeEngineBoots,
+ msgAuthoritativeEngineTime: this.msgSecurityParameters.msgAuthoritativeEngineTime,
+ msgUserName: this.msgSecurityParameters.msgUserName,
+ msgAuthenticationParameters: "",
+ msgPrivacyParameters: ""
+ };
+ var responseGlobalData = {
+ msgID: this.msgGlobalData.msgID,
+ msgMaxSize: 65507,
+ msgFlags: this.msgGlobalData.msgFlags & (255 - 4),
+ msgSecurityModel: 3
+ };
+ return Message.createV3(responseUser, responseGlobalData, responseSecurityParameters, responsePdu);
+};
+
+Message.createCommunity = function (version, community, pdu) {
+ var message = new Message();
+
+ message.version = version;
+ message.community = community;
+ message.pdu = pdu;
+
+ return message;
+};
+
+Message.createRequestV3 = function (user, msgSecurityParameters, pdu) {
+ var authFlag = user.level == SecurityLevel.authNoPriv || user.level == SecurityLevel.authPriv ? 1 : 0;
+ var privFlag = user.level == SecurityLevel.authPriv ? 1 : 0;
+ var reportableFlag = (pdu.type == PduType.GetResponse || pdu.type == PduType.TrapV2) ? 0 : 1;
+ var msgGlobalData = {
+ msgID: _generateId(), // random ID
+ msgMaxSize: 65507,
+ msgFlags: reportableFlag * 4 | privFlag * 2 | authFlag * 1,
+ msgSecurityModel: 3
+ };
+ return Message.createV3(user, msgGlobalData, msgSecurityParameters, pdu);
+};
+
+Message.createV3 = function (user, msgGlobalData, msgSecurityParameters, pdu) {
+ var message = new Message();
+
+ message.version = 3;
+ message.user = user;
+ message.msgGlobalData = msgGlobalData;
+ message.msgSecurityParameters = {
+ msgAuthoritativeEngineID: msgSecurityParameters.msgAuthoritativeEngineID || Buffer.from(""),
+ msgAuthoritativeEngineBoots: msgSecurityParameters.msgAuthoritativeEngineBoots || 0,
+ msgAuthoritativeEngineTime: msgSecurityParameters.msgAuthoritativeEngineTime || 0,
+ msgUserName: user.name || "",
+ msgAuthenticationParameters: "",
+ msgPrivacyParameters: ""
+ };
+ message.pdu = pdu;
+
+ return message;
+};
+
+Message.createDiscoveryV3 = function (pdu) {
+ var msgSecurityParameters = {
+ msgAuthoritativeEngineID: Buffer.from(""),
+ msgAuthoritativeEngineBoots: 0,
+ msgAuthoritativeEngineTime: 0
+ };
+ var emptyUser = {
+ name: "",
+ level: SecurityLevel.noAuthNoPriv
+ };
+ return Message.createRequestV3(emptyUser, msgSecurityParameters, pdu);
+}
+
+Message.createFromBuffer = function (buffer, user) {
+ var reader = new ber.Reader(buffer);
+ var message = new Message();
+
+ reader.readSequence();
+
+ message.version = reader.readInt();
+
+ if (message.version != 3) {
+ message.community = reader.readString();
+ message.pdu = readPdu(reader, false);
+ } else {
+ // HeaderData
+ message.msgGlobalData = {};
+ reader.readSequence();
+ message.msgGlobalData.msgID = reader.readInt();
+ message.msgGlobalData.msgMaxSize = reader.readInt();
+ message.msgGlobalData.msgFlags = reader.readString(ber.OctetString, true)[0];
+ message.msgGlobalData.msgSecurityModel = reader.readInt();
+
+ // msgSecurityParameters
+ message.msgSecurityParameters = {};
+ var msgSecurityParametersReader = new ber.Reader(reader.readString(ber.OctetString, true));
+ msgSecurityParametersReader.readSequence();
+ message.msgSecurityParameters.msgAuthoritativeEngineID = msgSecurityParametersReader.readString(ber.OctetString, true);
+ message.msgSecurityParameters.msgAuthoritativeEngineBoots = msgSecurityParametersReader.readInt();
+ message.msgSecurityParameters.msgAuthoritativeEngineTime = msgSecurityParametersReader.readInt();
+ message.msgSecurityParameters.msgUserName = msgSecurityParametersReader.readString();
+ message.msgSecurityParameters.msgAuthenticationParameters = Buffer.from(msgSecurityParametersReader.readString(ber.OctetString, true));
+ message.msgSecurityParameters.msgPrivacyParameters = Buffer.from(msgSecurityParametersReader.readString(ber.OctetString, true));
+ scopedPdu = true;
+
+ if (message.hasPrivacy()) {
+ message.encryptedPdu = reader.readString(ber.OctetString, true);
+ message.pdu = null;
+ } else {
+ message.pdu = readPdu(reader, true);
+ }
+ }
+
+ message.buffer = buffer;
+
+ return message;
+};
+
+
+var Req = function (session, message, feedCb, responseCb, options) {
+
+ this.message = message;
+ this.responseCb = responseCb;
+ this.retries = session.retries;
+ this.timeout = session.timeout;
+ this.onResponse = session.onSimpleGetResponse;
+ this.feedCb = feedCb;
+ this.port = (options && options.port) ? options.port : session.port;
+ this.context = session.context;
+};
+
+Req.prototype.getId = function () {
+ return this.message.getReqId();
+};
+
+
+/*****************************************************************************
+ ** Session class definition
+ **/
+
+var Session = function (target, authenticator, options) {
+ this.target = target || "127.0.0.1";
+
+ this.version = (options && options.version)
+ ? options.version
+ : Version1;
+
+ if (this.version == Version3) {
+ this.user = authenticator;
+ } else {
+ this.community = authenticator || "public";
+ }
+
+ 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.idBitsSize = (options && options.idBitsSize)
+ ? parseInt(options.idBitsSize)
+ : 32;
+
+ this.context = (options && options.context) ? options.context : "";
+
+ DEBUG = options.debug;
+
+ 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.getId());
+ req.responseCb(error);
+ }
+};
+
+function _generateId(bitSize) {
+ if (bitSize === 16) {
+ return Math.floor(Math.random() * 10000) % 65535;
+ }
+ return Math.floor(Math.random() * 100000000) % 4294967295;
+}
+
+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];
+ }
+
+ if (this.version == Version1) {
+ responseCb(new RequestInvalidError("Inform not allowed for SNMPv1"));
+ return;
+ }
+
+ 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) {
+ try {
+ var message = Message.createFromBuffer(buffer);
+
+ var req = this.unregisterRequest(message.getReqId());
+ if (!req)
+ return;
+
+ if (!message.processIncomingSecurity(this.user, req.responseCb))
+ 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 if (message.pdu.type == PduType.Report) {
+ if (!req.originalPdu) {
+ req.responseCb(new ResponseInvalidError("Unexpected Report PDU"));
+ return;
+ }
+ this.msgSecurityParameters = {
+ msgAuthoritativeEngineID: message.msgSecurityParameters.msgAuthoritativeEngineID,
+ msgAuthoritativeEngineBoots: message.msgSecurityParameters.msgAuthoritativeEngineBoots,
+ msgAuthoritativeEngineTime: message.msgSecurityParameters.msgAuthoritativeEngineTime
+ };
+ req.originalPdu.contextName = this.context;
+ this.sendV3Req(req.originalPdu, req.feedCb, req.responseCb, req.options, req.port);
+ } 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.getId()]) {
+ this.reqs[req.getId()] = 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.getId());
+ 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) {
+ try {
+ var id = _generateId(this.idBitsSize);
+ var pdu = SimplePdu.createFromVariables(pduClass, id, varbinds, options);
+ var message;
+ var req;
+
+ if (this.version == Version3) {
+ if (this.msgSecurityParameters) {
+ this.sendV3Req(pdu, feedCb, responseCb, options, this.port);
+ } else {
+ // SNMPv3 discovery
+ var discoveryPdu = createDiscoveryPdu(this.context);
+ var discoveryMessage = Message.createDiscoveryV3(discoveryPdu);
+ var discoveryReq = new Req(this, discoveryMessage, feedCb, responseCb, options);
+ discoveryReq.originalPdu = pdu;
+ this.send(discoveryReq);
+ }
+ } else {
+ message = Message.createCommunity(this.version, this.community, pdu);
+ req = new Req(this, message, feedCb, responseCb, options);
+ this.send(req);
+ }
+ } catch (error) {
+ if (responseCb)
+ 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;
+ var message;
+
+ /**
+ ** 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(this.idBitsSize);
+
+ if (this.version == Version2c || this.version == Version3) {
+ 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 = TrapV2Pdu.createFromVariables(id, pduVarbinds, options);
+ } else {
+ pdu = TrapPdu.createFromVariables(typeOrOid, pduVarbinds, options);
+ }
+
+ if (this.version == Version3) {
+ var msgSecurityParameters = {
+ msgAuthoritativeEngineID: this.user.engineID,
+ msgAuthoritativeEngineBoots: 0,
+ msgAuthoritativeEngineTime: 0
+ };
+ message = Message.createRequestV3(this.user, msgSecurityParameters, pdu);
+ } else {
+ message = Message.createCommunity(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 || this.version == Version3) {
+ 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.version == Version3)
+ this.getBulk([oid], 0, maxRepetitions,
+ walkCb.bind(me, req));
+ else
+ this.getNext([oid], walkCb.bind(me, req));
+
+ return this;
+};
+
+Session.prototype.sendV3Req = function (pdu, feedCb, responseCb, options, port) {
+ var message = Message.createRequestV3(this.user, this.msgSecurityParameters, pdu);
+ var reqOptions = options || {};
+ var req = new Req(this, message, feedCb, responseCb, reqOptions);
+ req.port = port;
+ this.send(req);
+};
+
+var Engine = function (engineID, engineBoots, engineTime) {
+ if (engineID) {
+ this.engineID = Buffer.from(engineID, 'hex');
+ } else {
+ this.generateEngineID();
+ }
+ this.engineBoots = 0;
+ this.engineTime = 10;
+};
+
+Engine.prototype.generateEngineID = function () {
+ // generate a 17-byte engine ID in the following format:
+ // 0x80 + 0x00B983 (enterprise OID) | 0x80 (enterprise-specific format) | 12 bytes of random
+ this.engineID = Buffer.alloc(17);
+ this.engineID.fill('8000B98380', 'hex', 0, 5);
+ this.engineID.fill(crypto.randomBytes(12), 5, 17, 'hex');
+}
+
+var Listener = function (options, receiver) {
+ this.receiver = receiver;
+ this.callback = receiver.onMsg;
+ this.family = options.transport || 'udp4';
+ this.port = options.port || 161;
+ this.disableAuthorization = options.disableAuthorization || false;
+};
+
+Listener.prototype.startListening = function (receiver) {
+ var me = this;
+ this.dgram = dgram.createSocket(this.family);
+ this.dgram.bind(this.port);
+ this.dgram.on("message", me.callback.bind(me.receiver));
+};
+
+Listener.prototype.send = function (message, rinfo) {
+ var me = this;
+
+ var buffer = message.toBuffer();
+
+ this.dgram.send(buffer, 0, buffer.length, rinfo.port, rinfo.address,
+ function (error, bytes) {
+ if (error) {
+ // me.callback (error);
+ console.error("Error sending: " + error.message);
+ } else {
+ // debug ("Listener sent response message");
+ }
+ });
+};
+
+Listener.formatCallbackData = function (pdu, rinfo) {
+ if (pdu.contextEngineID) {
+ pdu.contextEngineID = pdu.contextEngineID.toString('hex');
+ }
+ delete pdu.nonRepeaters;
+ delete pdu.maxRepetitions;
+ return {
+ pdu: pdu,
+ rinfo: rinfo
+ };
+};
+
+Listener.processIncoming = function (buffer, authorizer, callback) {
+ var message = Message.createFromBuffer(buffer);
+ var community;
+
+ // Authorization
+ if (message.version == Version3) {
+ message.user = authorizer.users.filter(localUser => localUser.name ==
+ message.msgSecurityParameters.msgUserName)[0];
+ message.disableAuthentication = authorizer.disableAuthorization;
+ if (!message.user) {
+ if (message.msgSecurityParameters.msgUserName != "" && !authorizer.disableAuthorization) {
+ callback(new RequestFailedError("Local user not found for message with user " +
+ message.msgSecurityParameters.msgUserName));
+ return;
+ } else if (message.hasAuthentication()) {
+ callback(new RequestFailedError("Local user not found and message requires authentication with user " +
+ message.msgSecurityParameters.msgUserName));
+ return;
+ } else {
+ message.user = {
+ name: "",
+ level: SecurityLevel.noAuthNoPriv
+ };
+ }
+ }
+ if (!message.processIncomingSecurity(message.user, callback)) {
+ return;
+ }
+ } else {
+ community = authorizer.communities.filter(localCommunity => localCommunity == message.community)[0];
+ if (!community && !authorizer.disableAuthorization) {
+ callback(new RequestFailedError("Local community not found for message with community " + message.community));
+ return;
+ }
+ }
+
+ return message;
+};
+
+var Authorizer = function () {
+ this.communities = [];
+ this.users = [];
+}
+
+Authorizer.prototype.addCommunity = function (community) {
+ if (this.getCommunity(community)) {
+ return;
+ } else {
+ this.communities.push(community);
+ }
+};
+
+Authorizer.prototype.getCommunity = function (community) {
+ return this.communities.filter(localCommunity => localCommunity == community)[0] || null;
+};
+
+Authorizer.prototype.getCommunities = function () {
+ return this.communities;
+};
+
+Authorizer.prototype.deleteCommunity = function (community) {
+ var index = this.communities.indexOf(community);
+ if (index > -1) {
+ this.communities.splice(index, 1);
+ }
+};
+
+Authorizer.prototype.addUser = function (user) {
+ if (this.getUser(user.name)) {
+ this.deleteUser(user.name);
+ }
+ this.users.push(user);
+};
+
+Authorizer.prototype.getUser = function (userName) {
+ return this.users.filter(localUser => localUser.name == userName)[0] || null;
+};
+
+Authorizer.prototype.getUsers = function () {
+ return this.users;
+};
+
+Authorizer.prototype.deleteUser = function (userName) {
+ var index = this.users.findIndex(localUser => localUser.name == userName);
+ if (index > -1) {
+ this.users.splice(index, 1);
+ }
+};
+
+
+/*****************************************************************************
+ ** Receiver class definition
+ **/
+
+var Receiver = function (options, callback) {
+ DEBUG = options.debug;
+ this.listener = new Listener(options, this);
+ this.authorizer = new Authorizer();
+ this.engine = new Engine(options.engineID);
+
+ this.engineBoots = 0;
+ this.engineTime = 10;
+ this.disableAuthorization = false;
+
+ this.callback = callback;
+ this.family = options.transport || 'udp4';
+ this.port = options.port || 162;
+ options.port = this.port;
+ this.disableAuthorization = options.disableAuthorization || false;
+ this.context = (options && options.context) ? options.context : "";
+ this.listener = new Listener(options, this);
+};
+
+Receiver.prototype.addCommunity = function (community) {
+ this.authorizer.addCommunity(community);
+};
+
+Receiver.prototype.getCommunity = function (community) {
+ return this.authorizer.getCommunity(community);
+};
+
+Receiver.prototype.getCommunities = function () {
+ return this.authorizer.getCommunities();
+};
+
+Receiver.prototype.deleteCommunity = function (community) {
+ this.authorizer.deleteCommunities(community);
+};
+
+Receiver.prototype.addUser = function (user) {
+ this.authorizer.addUser(user);
+};
+
+Receiver.prototype.getUser = function (userName) {
+ return this.authorizer.getUser(userName);
+};
+
+Receiver.prototype.getUsers = function () {
+ return this.authorizer.getUsers();
+};
+
+Receiver.prototype.deleteUser = function (userName) {
+ this.authorizer.deleteUser(userName);
+};
+
+Receiver.prototype.onMsg = function (buffer, rinfo) {
+ var message = Listener.processIncoming(buffer, this.authorizer, this.callback);
+ var reportMessage;
+
+ if (!message) {
+ return;
+ }
+
+ // The only GetRequest PDUs supported are those used for SNMPv3 discovery
+ if (message.pdu.type == PduType.GetRequest) {
+ if (message.version != Version3) {
+ this.callback(new RequestInvalidError("Only SNMPv3 discovery GetRequests are supported"));
+ return;
+ } else if (message.hasAuthentication()) {
+ this.callback(new RequestInvalidError("Only discovery (noAuthNoPriv) GetRequests are supported but this message has authentication"));
+ return;
+ } else if (!message.isReportable()) {
+ this.callback(new RequestInvalidError("Only discovery GetRequests are supported and this message does not have the reportable flag set"));
+ return;
+ }
+ var reportMessage = message.createReportResponseMessage(this.engine, this.context);
+ this.listener.send(reportMessage, rinfo);
+ return;
+ }
+ ;
+
+ // Inform/trap processing
+ debug(JSON.stringify(message.pdu, null, 2));
+ if (message.pdu.type == PduType.Trap || message.pdu.type == PduType.TrapV2) {
+ this.callback(null, this.formatCallbackData(message.pdu, rinfo));
+ } else if (message.pdu.type == PduType.InformRequest) {
+ message.pdu.type = PduType.GetResponse;
+ message.buffer = null;
+ message.setReportable(false);
+ this.listener.send(message, rinfo);
+ message.pdu.type = PduType.InformRequest;
+ this.callback(null, this.formatCallbackData(message.pdu, rinfo));
+ } else {
+ this.callback(new RequestInvalidError("Unexpected PDU type " + message.pdu.type + " (" + PduType[message.pdu.type] + ")"));
+ }
+}
+
+Receiver.prototype.formatCallbackData = function (pdu, rinfo) {
+ if (pdu.contextEngineID) {
+ pdu.contextEngineID = pdu.contextEngineID.toString('hex');
+ }
+ delete pdu.nonRepeaters;
+ delete pdu.maxRepetitions;
+ return {
+ pdu: pdu,
+ rinfo: rinfo
+ };
+};
+
+Receiver.prototype.close = function () {
+ this.listener.close();
+};
+
+Receiver.create = function (options, callback) {
+ var receiver = new Receiver(options, callback);
+ receiver.listener.startListening();
+ return receiver;
+};
+
+var MibNode = function (address, parent) {
+ this.address = address;
+ this.oid = this.address.join('.');
+ ;
+ this.parent = parent;
+ this.children = {};
+};
+
+MibNode.prototype.child = function (index) {
+ return this.children[index];
+};
+
+MibNode.prototype.listChildren = function (lowest) {
+ var sorted = [];
+
+ lowest = lowest || 0;
+
+ this.children.forEach(function (c, i) {
+ if (i >= lowest)
+ sorted.push(i);
+ });
+
+ sorted.sort(function (a, b) {
+ return (a - b);
+ });
+
+ return sorted;
+};
+
+MibNode.prototype.isDescendant = function (address) {
+ return MibNode.oidIsDescended(this.address, address);
+};
+
+MibNode.prototype.isAncestor = function (address) {
+ return MibNode.oidIsDescended(address, this.address);
+};
+
+MibNode.prototype.getAncestorProvider = function () {
+ if (this.provider) {
+ return this;
+ } else if (!this.parent) {
+ return null;
+ } else {
+ return this.parent.getAncestorProvider();
+ }
+};
+
+MibNode.prototype.getInstanceNodeForTableRow = function () {
+ var childCount = Object.keys(this.children).length;
+ if (childCount == 0) {
+ if (this.value) {
+ return this;
+ } else {
+ return null;
+ }
+ } else if (childCount == 1) {
+ return this.children[0].getInstanceNodeForTableRow();
+ } else if (childCount > 1) {
+ return null;
+ }
+};
+
+MibNode.prototype.getInstanceNodeForTableRowIndex = function (index) {
+ var childCount = Object.keys(this.children).length;
+ if (childCount == 0) {
+ if (this.value) {
+ return this;
+ } else {
+ // not found
+ return null;
+ }
+ } else {
+ if (index.length == 0) {
+ return this.getInstanceNodeForTableRow();
+ } else {
+ var nextChildIndexPart = index[0];
+ if (!nextChildIndexPart) {
+ return null;
+ }
+ remainingIndex = index.slice(1);
+ return this.children[nextChildIndexPart].getInstanceNodeForTableRowIndex(remainingIndex);
+ }
+ }
+};
+
+MibNode.prototype.getNextInstanceNode = function () {
+
+ node = this;
+ if (this.value) {
+ // Need upwards traversal first
+ node = this;
+ while (node) {
+ siblingIndex = node.address.slice(-1)[0];
+ node = node.parent;
+ if (!node) {
+ // end of MIB
+ return null;
+ } else {
+ childrenAddresses = Object.keys(node.children).sort((a, b) => a - b);
+ siblingPosition = childrenAddresses.indexOf(siblingIndex.toString());
+ if (siblingPosition + 1 < childrenAddresses.length) {
+ node = node.children[childrenAddresses[siblingPosition + 1]];
+ break;
+ }
+ }
+ }
+ }
+ // Descent
+ while (node) {
+ if (node.value) {
+ return node;
+ }
+ childrenAddresses = Object.keys(node.children).sort((a, b) => a - b);
+ node = node.children[childrenAddresses[0]];
+ if (!node) {
+ // unexpected
+ return null;
+ }
+ }
+};
+
+MibNode.prototype.delete = function () {
+ if (Object.keys(this.children) > 0) {
+ throw new Error("Cannot delete non-leaf MIB node");
+ }
+ addressLastPart = this.address.slice(-1)[0];
+ delete this.parent.children[addressLastPart];
+ this.parent = null;
+};
+
+MibNode.prototype.pruneUpwards = function () {
+ if (!this.parent) {
+ return
+ }
+ if (Object.keys(this.children).length == 0) {
+ var lastAddressPart = this.address.splice(-1)[0].toString();
+ delete this.parent.children[lastAddressPart];
+ this.parent.pruneUpwards();
+ this.parent = null;
+ }
+}
+
+MibNode.prototype.dump = function (options) {
+ var valueString;
+ if ((!options.leavesOnly || options.showProviders) && this.provider) {
+ console.log(this.oid + " [" + MibProviderType[this.provider.type] + ": " + this.provider.name + "]");
+ } else if ((!options.leavesOnly) || Object.keys(this.children).length == 0) {
+ if (this.value) {
+ valueString = " = ";
+ valueString += options.showTypes ? ObjectType[this.valueType] + ": " : "";
+ valueString += options.showValues ? this.value : "";
+ } else {
+ valueString = "";
+ }
+ console.log(this.oid + valueString);
+ }
+ for (node of Object.keys(this.children).sort((a, b) => a - b)) {
+ this.children[node].dump(options);
+ }
+};
+
+MibNode.oidIsDescended = function (oid, ancestor) {
+ var ancestorAddress = Mib.convertOidToAddress(ancestor);
+ var address = Mib.convertOidToAddress(oid);
+ var isAncestor = true;
+
+ if (address.length <= ancestorAddress.length) {
+ return false;
+ }
+
+ ancestorAddress.forEach(function (o, i) {
+ if (address[i] !== ancestorAddress[i]) {
+ isAncestor = false;
+ }
+ });
+
+ return isAncestor;
+};
+
+var Mib = function () {
+ this.root = new MibNode([], null);
+ this.providers = {};
+ this.providerNodes = {};
+};
+
+Mib.prototype.addNodesForOid = function (oidString) {
+ var address = Mib.convertOidToAddress(oidString);
+ return this.addNodesForAddress(address);
+};
+
+Mib.prototype.addNodesForAddress = function (address) {
+ var address;
+ var node;
+ var i;
+
+ node = this.root;
+
+ for (i = 0; i < address.length; i++) {
+ if (!node.children.hasOwnProperty(address[i])) {
+ node.children[address[i]] = new MibNode(address.slice(0, i + 1), node);
+ }
+ node = node.children[address[i]];
+ }
+
+ return node;
+};
+
+Mib.prototype.lookup = function (oid) {
+ var address;
+ var i;
+ var node;
+
+ address = Mib.convertOidToAddress(oid);
+ node = this.root;
+ for (i = 0; i < address.length; i++) {
+ if (!node.children.hasOwnProperty(address[i])) {
+ return null
+ }
+ node = node.children[address[i]];
+ }
+
+ return node;
+};
+
+Mib.prototype.getProviderNodeForInstance = function (instanceNode) {
+ if (instanceNode.provider) {
+ throw new ReferenceError("Instance node has provider which should never happen");
+ }
+ return instanceNode.getAncestorProvider();
+};
+
+Mib.prototype.addProviderToNode = function (provider) {
+ var node = this.addNodesForOid(provider.oid);
+
+ node.provider = provider;
+ if (provider.type == MibProviderType.Table) {
+ if (!provider.index) {
+ provider.index = [1];
+ }
+ }
+ this.providerNodes[provider.name] = node;
+ return node;
+};
+
+Mib.prototype.registerProvider = function (provider) {
+ this.providers[provider.name] = provider;
+};
+
+Mib.prototype.unregisterProvider = function (name) {
+ var providerNode = this.providerNodes[name];
+ if (providerNode) {
+ providerNodeParent = providerNode.parent;
+ providerNode.delete();
+ providerNodeParent.pruneUpwards();
+ delete this.providerNodes[name];
+ }
+ delete this.providers[name];
+};
+
+Mib.prototype.getProvider = function (name) {
+ return this.providers[name];
+};
+
+Mib.prototype.getProviders = function () {
+ return this.providers;
+};
+
+Mib.prototype.getScalarValue = function (scalarName) {
+ var providerNode = this.providerNodes[scalarName];
+ if (!providerNode || !providerNode.provider || providerNode.provider.type != MibProviderType.Scalar) {
+ throw new ReferenceError("Failed to get node for registered MIB provider " + scalarName);
+ }
+ var instanceAddress = providerNode.address.concat([0]);
+ if (!this.lookup(instanceAddress)) {
+ throw new Error("Failed created instance node for registered MIB provider " + scalarName);
+ }
+ var instanceNode = this.lookup(instanceAddress);
+ return instanceNode.value;
+};
+
+Mib.prototype.setScalarValue = function (scalarName, newValue) {
+ var providerNode;
+ var instanceNode;
+
+ if (!this.providers[scalarName]) {
+ throw new ReferenceError("Provider " + scalarName + " not registered with this MIB");
+ }
+
+ providerNode = this.providerNodes[scalarName];
+ if (!providerNode) {
+ providerNode = this.addProviderToNode(this.providers[scalarName]);
+ }
+ if (!providerNode || !providerNode.provider || providerNode.provider.type != MibProviderType.Scalar) {
+ throw new ReferenceError("Could not find MIB node for registered provider " + scalarName);
+ }
+ var instanceAddress = providerNode.address.concat([0]);
+ instanceNode = this.lookup(instanceAddress);
+ if (!instanceNode) {
+ this.addNodesForAddress(instanceAddress);
+ instanceNode = this.lookup(instanceAddress);
+ instanceNode.valueType = providerNode.provider.scalarType;
+ }
+ instanceNode.value = newValue;
+};
+
+Mib.prototype.getProviderNodeForTable = function (table) {
+ var providerNode;
+ var provider;
+
+ providerNode = this.providerNodes[table];
+ if (!providerNode) {
+ throw new ReferenceError("No MIB provider registered for " + table);
+ }
+ provider = providerNode.provider;
+ if (!providerNode) {
+ throw new ReferenceError("No MIB provider definition for registered provider " + table);
+ }
+ if (provider.type != MibProviderType.Table) {
+ throw new TypeError("Registered MIB provider " + table +
+ " is not of the correct type (is type " + MibProviderType[provider.type] + ")");
+ }
+ return providerNode;
+};
+
+Mib.prototype.addTableRow = function (table, row) {
+ var providerNode;
+ var provider;
+ var instance = [];
+ var instanceAddress;
+ var instanceNode;
+
+ if (this.providers[table] && !this.providerNodes[table]) {
+ this.addProviderToNode(this.providers[table]);
+ }
+ providerNode = this.getProviderNodeForTable(table);
+ provider = providerNode.provider;
+ for (var indexPart of provider.index) {
+ columnPosition = provider.columns.findIndex(column => column.number == indexPart);
+ instance.push(row[columnPosition]);
+ }
+ for (var i = 0; i < providerNode.provider.columns.length; i++) {
+ var column = providerNode.provider.columns[i];
+ instanceAddress = providerNode.address.concat(column.number).concat(instance);
+ this.addNodesForAddress(instanceAddress);
+ instanceNode = this.lookup(instanceAddress);
+ instanceNode.valueType = column.type;
+ instanceNode.value = row[i];
+ }
+};
+
+Mib.prototype.getTableColumnDefinitions = function (table) {
+ var providerNode;
+ var provider;
+
+ providerNode = this.getProviderNodeForTable(table);
+ provider = providerNode.provider;
+ return provider.columns;
+};
+
+Mib.prototype.getTableColumnCells = function (table, columnNumber) {
+ providerNode = this.getProviderNodeForTable(table);
+ columnNode = providerNode.children[columnNumber];
+ column = []
+ for (var row of Object.keys(columnNode.children)) {
+ instanceNode = columnNode.children[row].getInstanceNodeForTableRow();
+ column.push(instanceNode.value);
+ }
+ return column;
+};
+
+Mib.prototype.getTableRowCells = function (table, rowIndex) {
+ var providerNode;
+ var columnNode;
+ var instanceNode;
+ var row = [];
+
+ providerNode = this.getProviderNodeForTable(table);
+ for (var columnNumber of Object.keys(providerNode.children)) {
+ columnNode = providerNode.children[columnNumber];
+ instanceNode = columnNode.getInstanceNodeForTableRowIndex(rowIndex);
+ row.push(instanceNode.value);
+ }
+ return row;
+};
+
+Mib.prototype.getTableCells = function (table, byRows) {
+ var providerNode;
+ var columnNode;
+ var data = [];
+
+ providerNode = this.getProviderNodeForTable(table);
+ for (var columnNumber of Object.keys(providerNode.children)) {
+ columnNode = providerNode.children[columnNumber];
+ column = [];
+ data.push(column);
+ for (var row of Object.keys(columnNode.children)) {
+ instanceNode = columnNode.children[row].getInstanceNodeForTableRow();
+ column.push(instanceNode.value);
+ }
+ }
+
+ if (byRows) {
+ return Object.keys(data[0]).map(function (c) {
+ return data.map(function (r) {
+ return r[c];
+ });
+ });
+ } else {
+ return data;
+ }
+
+};
+
+Mib.prototype.getTableSingleCell = function (table, columnNumber, rowIndex) {
+ var providerNode;
+ var columnNode;
+ var instanceNode;
+
+ providerNode = this.getProviderNodeForTable(table);
+ columnNode = providerNode.children[columnNumber];
+ instanceNode = columnNode.getInstanceNodeForTableRowIndex(rowIndex);
+ return instanceNode.value;
+};
+
+Mib.prototype.setTableSingleCell = function (table, columnNumber, rowIndex, value) {
+ var providerNode;
+ var columnNode;
+ var instanceNode;
+
+ providerNode = this.getProviderNodeForTable(table);
+ columnNode = providerNode.children[columnNumber];
+ instanceNode = columnNode.getInstanceNodeForTableRowIndex(rowIndex);
+ instanceNode.value = value;
+};
+
+Mib.prototype.deleteTableRow = function (table, rowIndex) {
+ var providerNode;
+ var columnNode;
+ var instanceNode;
+ var row = [];
+
+ providerNode = this.getProviderNodeForTable(table);
+ for (var columnNumber of Object.keys(providerNode.children)) {
+ columnNode = providerNode.children[columnNumber];
+ instanceNode = columnNode.getInstanceNodeForTableRowIndex(rowIndex);
+ if (instanceNode) {
+ instanceParentNode = instanceNode.parent;
+ instanceNode.delete();
+ instanceParentNode.pruneUpwards();
+ } else {
+ throw new ReferenceError("Cannot find row for index " + rowIndex + " at registered provider " + table);
+ }
+ }
+ return row;
+};
+
+Mib.prototype.dump = function (options) {
+ if (!options) {
+ options = {};
+ }
+ var completedOptions = {
+ leavesOnly: options.leavesOnly || true,
+ showProviders: options.leavesOnly || true,
+ showValues: options.leavesOnly || true,
+ showTypes: options.leavesOnly || true
+ };
+ this.root.dump(completedOptions);
+};
+
+Mib.convertOidToAddress = function (oid) {
+ var address;
+ var oidArray;
+ var i;
+
+ if (typeof (oid) === 'object' && util.isArray(oid)) {
+ address = oid;
+ } else if (typeof (oid) === 'string') {
+ address = oid.split('.');
+ } else {
+ throw new TypeError('oid (string or array) is required');
+ }
+
+ if (address.length < 3)
+ throw new RangeError('object identifier is too short');
+
+ oidArray = [];
+ for (i = 0; i < address.length; i++) {
+ var n;
+
+ if (address[i] === '')
+ continue;
+
+ if (address[i] === true || address[i] === false) {
+ throw new TypeError('object identifier component ' +
+ address[i] + ' is malformed');
+ }
+
+ n = Number(address[i]);
+
+ if (isNaN(n)) {
+ throw new TypeError('object identifier component ' +
+ address[i] + ' is malformed');
+ }
+ if (n % 1 !== 0) {
+ throw new TypeError('object identifier component ' +
+ address[i] + ' is not an integer');
+ }
+ if (i === 0 && n > 2) {
+ throw new RangeError('object identifier does not ' +
+ 'begin with 0, 1, or 2');
+ }
+ if (i === 1 && n > 39) {
+ throw new RangeError('object identifier second ' +
+ 'component ' + n + ' exceeds encoding limit of 39');
+ }
+ if (n < 0) {
+ throw new RangeError('object identifier component ' +
+ address[i] + ' is negative');
+ }
+ if (n > MAX_INT32) {
+ throw new RangeError('object identifier component ' +
+ address[i] + ' is too large');
+ }
+ oidArray.push(n);
+ }
+
+ return oidArray;
+
+};
+
+var MibRequest = function (requestDefinition) {
+ this.operation = requestDefinition.operation;
+ this.address = Mib.convertOidToAddress(requestDefinition.oid);
+ this.oid = this.address.join('.');
+ this.providerNode = requestDefinition.providerNode;
+ this.instanceNode = requestDefinition.instanceNode;
+};
+
+MibRequest.prototype.isScalar = function () {
+ return this.providerNode && this.providerNode.provider &&
+ this.providerNode.provider.type == MibProviderType.Scalar;
+};
+
+MibRequest.prototype.isTabular = function () {
+ return this.providerNode && this.providerNode.provider &&
+ this.providerNode.provider.type == MibProviderType.Table;
+};
+
+var Agent = function (options, callback) {
+ DEBUG = options.debug;
+ this.listener = new Listener(options, this);
+ this.engine = new Engine(options.engineID);
+ this.authorizer = new Authorizer();
+ this.mib = new Mib();
+ this.callback = callback || function () {
+ };
+ this.context = "";
+};
+
+Agent.prototype.getMib = function () {
+ return this.mib;
+};
+
+Agent.prototype.getAuthorizer = function () {
+ return this.authorizer;
+};
+
+Agent.prototype.registerProvider = function (provider) {
+ this.mib.registerProvider(provider);
+};
+
+Agent.prototype.unregisterProvider = function (provider) {
+ this.mib.unregisterProvider(provider);
+};
+
+Agent.prototype.getProvider = function (provider) {
+ return this.mib.getProvider(provider);
+};
+
+Agent.prototype.getProviders = function () {
+ return this.mib.getProviders();
+};
+
+Agent.prototype.onMsg = function (buffer, rinfo) {
+ var message = Listener.processIncoming(buffer, this.authorizer, this.callback);
+ var reportMessage;
+ var responseMessage;
+
+ if (!message) {
+ return;
+ }
+
+ // SNMPv3 discovery
+ if (message.version == Version3 && message.pdu.type == PduType.GetRequest &&
+ !message.hasAuthoritativeEngineID() && message.isReportable()) {
+ reportMessage = message.createReportResponseMessage(this.engine, this.context);
+ this.listener.send(reportMessage, rinfo);
+ return;
+ }
+
+ // Request processing
+ debug(JSON.stringify(message.pdu, null, 2));
+ if (message.pdu.type == PduType.GetRequest) {
+ responseMessage = this.request(message, rinfo);
+ } else if (message.pdu.type == PduType.SetRequest) {
+ responseMessage = this.request(message, rinfo);
+ } else if (message.pdu.type == PduType.GetNextRequest) {
+ responseMessage = this.getNextRequest(message, rinfo);
+ } else if (message.pdu.type == PduType.GetBulkRequest) {
+ responseMessage = this.getBulkRequest(message, rinfo);
+ } else {
+ this.callback(new RequestInvalidError("Unexpected PDU type " +
+ message.pdu.type + " (" + PduType[message.pdu.type] + ")"));
+ }
+
+};
+
+Agent.prototype.request = function (requestMessage, rinfo) {
+ var me = this;
+ var varbindsCompleted = 0;
+ var requestPdu = requestMessage.pdu;
+ var varbindsLength = requestPdu.varbinds.length;
+ var responsePdu = requestPdu.getResponsePduForRequest();
+
+ for (var i = 0; i < requestPdu.varbinds.length; i++) {
+ var requestVarbind = requestPdu.varbinds[i];
+ var instanceNode = this.mib.lookup(requestVarbind.oid);
+ var providerNode;
+ var mibRequest;
+ var handler;
+ var responseVarbindType;
+
+ if (!instanceNode) {
+ mibRequest = new MibRequest({
+ operation: requestPdu.type,
+ oid: requestVarbind.oid
+ });
+ handler = function getNsoHandler(mibRequestForNso) {
+ mibRequestForNso.done({
+ errorStatus: ErrorStatus.NoSuchName,
+ errorIndex: i
+ });
+ };
+ } else {
+ providerNode = this.mib.getProviderNodeForInstance(instanceNode);
+ mibRequest = new MibRequest({
+ operation: requestPdu.type,
+ providerNode: providerNode,
+ instanceNode: instanceNode,
+ oid: requestVarbind.oid
+ });
+ handler = providerNode.provider.handler;
+ }
+
+ mibRequest.done = function (error) {
+ if (error) {
+ responsePdu.errorStatus = error.errorStatus;
+ responsePdu.errorIndex = error.errorIndex;
+ responseVarbind = {
+ oid: mibRequest.oid,
+ type: ObjectType.Null,
+ value: null
+ };
+ } else {
+ if (requestPdu.type == PduType.SetRequest) {
+ mibRequest.instanceNode.value = requestVarbind.value;
+ }
+ if (requestPdu.type == PduType.GetNextRequest && requestVarbind.type == ObjectType.EndOfMibView) {
+ responseVarbindType = ObjectType.EndOfMibView;
+ } else {
+ responseVarbindType = mibRequest.instanceNode.valueType;
+ }
+ responseVarbind = {
+ oid: mibRequest.oid,
+ type: responseVarbindType,
+ value: mibRequest.instanceNode.value
+ };
+ }
+ me.setSingleVarbind(responsePdu, i, responseVarbind);
+ if (++varbindsCompleted == varbindsLength) {
+ me.sendResponse.call(me, rinfo, requestMessage, responsePdu);
+ }
+ };
+ if (handler) {
+ handler(mibRequest);
+ } else {
+ mibRequest.done();
+ }
+ }
+ ;
+};
+
+Agent.prototype.addGetNextVarbind = function (targetVarbinds, startOid) {
+ var startNode = this.mib.lookup(startOid);
+ var getNextNode;
+
+ if (!startNode) {
+ // Off-tree start specified
+ targetVarbinds.push({
+ oid: requestVarbind.oid,
+ type: ObjectType.Null,
+ value: null
+ });
+ } else {
+ getNextNode = startNode.getNextInstanceNode();
+ if (!getNextNode) {
+ // End of MIB
+ targetVarbinds.push({
+ oid: requestVarbind.oid,
+ type: ObjectType.EndOfMibView,
+ value: null
+ });
+ } else {
+ // Normal response
+ targetVarbinds.push({
+ oid: getNextNode.oid,
+ type: getNextNode.valueType,
+ value: getNextNode.value
+ });
+ }
+ }
+ return getNextNode;
+};
+
+Agent.prototype.getNextRequest = function (requestMessage, rinfo) {
+ var requestPdu = requestMessage.pdu;
+ var varbindsLength = requestPdu.varbinds.length;
+ var getNextVarbinds = [];
+
+ for (var i = 0; i < varbindsLength; i++) {
+ this.addGetNextVarbind(getNextVarbinds, requestPdu.varbinds[i].oid);
+ }
+
+ requestMessage.pdu.varbinds = getNextVarbinds;
+ this.request(requestMessage, rinfo);
+};
+
+Agent.prototype.getBulkRequest = function (requestMessage, rinfo) {
+ var requestPdu = requestMessage.pdu;
+ var requestVarbinds = requestPdu.varbinds;
+ var getBulkVarbinds = [];
+ var startOid = [];
+ var getNextNode;
+
+ for (var n = 0; n < requestPdu.nonRepeaters; n++) {
+ this.addGetNextVarbind(getBulkVarbinds, requestVarbinds[n].oid);
+ }
+
+ for (var v = requestPdu.nonRepeaters; v < requestVarbinds.length; v++) {
+ startOid.push(requestVarbinds[v].oid);
+ }
+
+ for (var r = 0; r < requestPdu.maxRepetitions; r++) {
+ for (var v = requestPdu.nonRepeaters; v < requestVarbinds.length; v++) {
+ getNextNode = this.addGetNextVarbind(getBulkVarbinds, startOid[v - requestPdu.nonRepeaters]);
+ if (getNextNode) {
+ startOid[v - requestPdu.nonRepeaters] = getNextNode.oid;
+ }
+ }
+ }
+
+ requestMessage.pdu.varbinds = getBulkVarbinds;
+ this.request(requestMessage, rinfo);
+};
+
+Agent.prototype.setSingleVarbind = function (responsePdu, index, responseVarbind) {
+ responsePdu.varbinds[index] = responseVarbind;
+};
+
+Agent.prototype.sendResponse = function (rinfo, requestMessage, responsePdu) {
+ var responseMessage = requestMessage.createResponseForRequest(responsePdu);
+ this.listener.send(responseMessage, rinfo);
+ this.callback(null, Listener.formatCallbackData(responseMessage.pdu, rinfo));
+};
+
+Agent.create = function (options, callback) {
+ var agent = new Agent(options, callback);
+ agent.listener.startListening();
+ return agent;
+};
+
+/*****************************************************************************
+ ** Exports
+ **/
+
+exports.Session = Session;
+
+exports.createSession = function (target, community, options) {
+ if (options.version && !(options.version == Version1 || options.version == Version2c)) {
+ throw new ResponseInvalidError("SNMP community session requested but version '" + options.version + "' specified in options not valid");
+ } else {
+ return new Session(target, community, options);
+ }
+};
+
+exports.createV3Session = function (target, user, options) {
+ if (options.version && options.version != Version3) {
+ throw new ResponseInvalidError("SNMPv3 session requested but version '" + options.version + "' specified in options");
+ } else {
+ options.version = Version3;
+ }
+ return new Session(target, user, options);
+};
+
+exports.createReceiver = Receiver.create;
+exports.createAgent = Agent.create;
+
+exports.isVarbindError = isVarbindError;
+exports.varbindError = varbindError;
+
+exports.Version1 = Version1;
+exports.Version2c = Version2c;
+exports.Version3 = Version3;
+exports.Version = Version;
+
+exports.ErrorStatus = ErrorStatus;
+exports.TrapType = TrapType;
+exports.ObjectType = ObjectType;
+exports.PduType = PduType;
+exports.MibProviderType = MibProviderType;
+exports.SecurityLevel = SecurityLevel;
+exports.AuthProtocols = AuthProtocols;
+exports.PrivProtocols = PrivProtocols;
+
+exports.ResponseInvalidError = ResponseInvalidError;
+exports.RequestInvalidError = RequestInvalidError;
+exports.RequestFailedError = RequestFailedError;
+exports.RequestTimedOutError = RequestTimedOutError;
+
+/**
+ ** We've added this for testing.
+ **/
+exports.ObjectParser = {
+ readInt: readInt,
+ readUint: readUint
+};
+exports.Authentication = Authentication;
+exports.Encryption = Encryption;
diff --git a/collectors/node.d.plugin/node_modules/netdata.js b/collectors/node.d.plugin/node_modules/netdata.js
new file mode 100644
index 0000000..603922c
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/netdata.js
@@ -0,0 +1,654 @@
+'use strict';
+
+// netdata
+// real-time performance and health monitoring, done right!
+// (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+var url = require('url');
+var http = require('http');
+var util = require('util');
+
+/*
+var netdata = require('netdata');
+
+var example_chart = {
+ id: 'id', // the unique id of the chart
+ name: 'name', // the name of the chart
+ title: 'title', // the title of the chart
+ units: 'units', // the units of the chart dimensions
+ family: 'family', // the family of the chart
+ context: 'context', // the context of the chart
+ type: netdata.chartTypes.line, // the type of the chart
+ priority: 0, // the priority relative to others in the same family
+ update_every: 1, // the expected update frequency of the chart
+ dimensions: {
+ 'dim1': {
+ id: 'dim1', // the unique id of the dimension
+ name: 'name', // the name of the dimension
+ algorithm: netdata.chartAlgorithms.absolute, // the id of the netdata algorithm
+ multiplier: 1, // the multiplier
+ divisor: 1, // the divisor
+ hidden: false, // is hidden (boolean)
+ },
+ 'dim2': {
+ id: 'dim2', // the unique id of the dimension
+ name: 'name', // the name of the dimension
+ algorithm: 'absolute', // the id of the netdata algorithm
+ multiplier: 1, // the multiplier
+ divisor: 1, // the divisor
+ hidden: false, // is hidden (boolean)
+ }
+ // add as many dimensions as needed
+ }
+};
+*/
+
+var netdata = {
+ options: {
+ filename: __filename,
+ DEBUG: false,
+ update_every: 1
+ },
+
+ chartAlgorithms: {
+ incremental: 'incremental',
+ absolute: 'absolute',
+ percentage_of_absolute_row: 'percentage-of-absolute-row',
+ percentage_of_incremental_row: 'percentage-of-incremental-row'
+ },
+
+ chartTypes: {
+ line: 'line',
+ area: 'area',
+ stacked: 'stacked'
+ },
+
+ services: new Array(),
+ modules_configuring: 0,
+ charts: {},
+
+ processors: {
+ http: {
+ name: 'http',
+
+ process: function(service, callback) {
+ var __DEBUG = netdata.options.DEBUG;
+
+ if(__DEBUG === true)
+ netdata.debug(service.module.name + ': ' + service.name + ': making ' + this.name + ' request: ' + netdata.stringify(service.request));
+
+ var req = http.request(service.request, function(response) {
+ if(__DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': got server response...');
+
+ var end = false;
+ var data = '';
+ response.setEncoding('utf8');
+
+ if(response.statusCode !== 200) {
+ if(end === false) {
+ service.error('Got HTTP code ' + response.statusCode + ', failed to get data.');
+ end = true;
+ return callback(null);
+ }
+ }
+
+ response.on('data', function(chunk) {
+ if(end === false) data += chunk;
+ });
+
+ response.on('error', function() {
+ if(end === false) {
+ service.error(': Read error, failed to get data.');
+ end = true;
+ return callback(null);
+ }
+ });
+
+ response.on('end', function() {
+ if(end === false) {
+ if(__DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': read completed.');
+ end = true;
+ return callback(data);
+ }
+ });
+ });
+
+ req.on('error', function(e) {
+ if(__DEBUG === true) netdata.debug('Failed to make request: ' + netdata.stringify(service.request) + ', message: ' + e.message);
+ service.error('Failed to make request, message: ' + e.message);
+ return callback(null);
+ });
+
+ // write data to request body
+ if(typeof service.postData !== 'undefined' && service.request.method === 'POST') {
+ if(__DEBUG === true) netdata.debug(service.module.name + ': ' + service.name + ': posting data: ' + service.postData);
+ req.write(service.postData);
+ }
+
+ req.end();
+ }
+ }
+ },
+
+ stringify: function(obj) {
+ return util.inspect(obj, {depth: 10});
+ },
+
+ zeropad2: function(s) {
+ return ("00" + s).slice(-2);
+ },
+
+ logdate: function(d) {
+ if(typeof d === 'undefined') d = new Date();
+ return d.getFullYear().toString() + '-' + this.zeropad2(d.getMonth() + 1) + '-' + this.zeropad2(d.getDate())
+ + ' ' + this.zeropad2(d.getHours()) + ':' + this.zeropad2(d.getMinutes()) + ':' + this.zeropad2(d.getSeconds());
+ },
+
+ // show debug info, if debug is enabled
+ debug: function(msg) {
+ if(this.options.DEBUG === true) {
+ console.error(this.logdate() + ': ' + netdata.options.filename + ': DEBUG: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());
+ }
+ },
+
+ // log an error
+ error: function(msg) {
+ console.error(this.logdate() + ': ' + netdata.options.filename + ': ERROR: ' + ((typeof(msg) === 'object')?netdata.stringify(msg):msg).toString());
+ },
+
+ // send data to netdata
+ send: function(msg) {
+ console.log(msg.toString());
+ },
+
+ service: function(service) {
+ if(typeof service === 'undefined')
+ service = {};
+
+ var now = Date.now();
+
+ service._current_chart = null; // the current chart we work on
+ service._queue = ''; // data to be sent to netdata
+
+ service.error_reported = false; // error log flood control
+
+ service.added = false; // added to netdata.services
+ service.enabled = true;
+ service.updates = 0;
+ service.running = false;
+ service.started = 0;
+ service.ended = 0;
+
+ if(typeof service.module === 'undefined') {
+ service.module = { name: 'not-defined-module' };
+ service.error('Attempted to create service without a module.');
+ service.enabled = false;
+ }
+
+ if(typeof service.name === 'undefined') {
+ service.name = 'unnamed@' + service.module.name + '/' + now;
+ }
+
+ if(typeof service.processor === 'undefined')
+ service.processor = netdata.processors.http;
+
+ if(typeof service.update_every === 'undefined')
+ service.update_every = service.module.update_every;
+
+ if(typeof service.update_every === 'undefined')
+ service.update_every = netdata.options.update_every;
+
+ if(service.update_every < netdata.options.update_every)
+ service.update_every = netdata.options.update_every;
+
+ // align the runs
+ service.next_run = now - (now % (service.update_every * 1000)) + (service.update_every * 1000);
+
+ service.commit = function() {
+ if(this.added !== true) {
+ this.added = true;
+
+ var now = Date.now();
+ this.next_run = now - (now % (service.update_every * 1000)) + (service.update_every * 1000);
+
+ netdata.services.push(this);
+ if(netdata.options.DEBUG === true) netdata.debug(this.module.name + ': ' + this.name + ': service committed.');
+ }
+ };
+
+ service.execute = function(responseProcessor) {
+ var __DEBUG = netdata.options.DEBUG;
+
+ if(service.enabled === false)
+ return responseProcessor(null);
+
+ this.module.active++;
+ this.running = true;
+ this.started = Date.now();
+ this.updates++;
+
+ if(__DEBUG === true)
+ netdata.debug(this.module.name + ': ' + this.name + ': making ' + this.processor.name + ' request: ' + netdata.stringify(this));
+
+ this.processor.process(this, function(response) {
+ service.ended = Date.now();
+ service.duration = service.ended - service.started;
+
+ if(typeof response === 'undefined')
+ response = null;
+
+ if(response !== null)
+ service.errorClear();
+
+ if(__DEBUG === true)
+ netdata.debug(service.module.name + ': ' + service.name + ': processing ' + service.processor.name + ' response (received in ' + (service.ended - service.started).toString() + ' ms)');
+
+ try {
+ responseProcessor(service, response);
+ }
+ catch(e) {
+ netdata.error(e);
+ service.error("responseProcessor failed process response data.");
+ }
+
+ service.running = false;
+ service.module.active--;
+ if(service.module.active < 0) {
+ service.module.active = 0;
+ if(__DEBUG === true)
+ netdata.debug(service.module.name + ': active module counter below zero.');
+ }
+
+ if(service.module.active === 0) {
+ // check if we run under configure
+ if(service.module.configure_callback !== null) {
+ if(__DEBUG === true)
+ netdata.debug(service.module.name + ': configuration finish callback called from processResponse().');
+
+ var configure_callback = service.module.configure_callback;
+ service.module.configure_callback = null;
+ configure_callback();
+ }
+ }
+ });
+ };
+
+ service.update = function() {
+ if(netdata.options.DEBUG === true)
+ netdata.debug(this.module.name + ': ' + this.name + ': starting data collection...');
+
+ this.module.update(this, function() {
+ if(netdata.options.DEBUG === true)
+ netdata.debug(service.module.name + ': ' + service.name + ': data collection ended in ' + service.duration.toString() + ' ms.');
+ });
+ };
+
+ service.error = function(message) {
+ if(this.error_reported === false) {
+ netdata.error(this.module.name + ': ' + this.name + ': ' + message);
+ this.error_reported = true;
+ }
+ else if(netdata.options.DEBUG === true)
+ netdata.debug(this.module.name + ': ' + this.name + ': ' + message);
+ };
+
+ service.errorClear = function() {
+ this.error_reported = false;
+ };
+
+ service.queue = function(txt) {
+ this._queue += txt + '\n';
+ };
+
+ service._send_chart_to_netdata = function(chart) {
+ // internal function to send a chart to netdata
+ this.queue('CHART "' + chart.id + '" "' + chart.name + '" "' + chart.title + '" "' + chart.units + '" "' + chart.family + '" "' + chart.context + '" "' + chart.type + '" ' + chart.priority.toString() + ' ' + chart.update_every.toString());
+
+ if(typeof(chart.dimensions) !== 'undefined') {
+ var dims = Object.keys(chart.dimensions);
+ var len = dims.length;
+ while(len--) {
+ var d = chart.dimensions[dims[len]];
+
+ this.queue('DIMENSION "' + d.id + '" "' + d.name + '" "' + d.algorithm + '" ' + d.multiplier.toString() + ' ' + d.divisor.toString() + ' ' + ((d.hidden === true) ? 'hidden' : '').toString());
+ d._created = true;
+ d._updated = false;
+ }
+ }
+
+ chart._created = true;
+ chart._updated = false;
+ };
+
+ // begin data collection for a chart
+ service.begin = function(chart) {
+ if(this._current_chart !== null && this._current_chart !== chart) {
+ this.error('Called begin() for chart ' + chart.id + ' while chart ' + this._current_chart.id + ' is still open. Closing it.');
+ this.end();
+ }
+
+ if(typeof(chart.id) === 'undefined' || netdata.charts[chart.id] !== chart) {
+ this.error('Called begin() for chart ' + chart.id + ' that is not mine. Where did you find it? Ignoring it.');
+ return false;
+ }
+
+ if(netdata.options.DEBUG === true) netdata.debug('setting current chart to ' + chart.id);
+ this._current_chart = chart;
+ this._current_chart._began = true;
+
+ if(this._current_chart._dimensions_count !== 0) {
+ if(this._current_chart._created === false || this._current_chart._updated === true)
+ this._send_chart_to_netdata(this._current_chart);
+
+ var now = this.ended;
+ this.queue('BEGIN ' + this._current_chart.id + ' ' + ((this._current_chart._last_updated > 0)?((now - this._current_chart._last_updated) * 1000):'').toString());
+ }
+ // else this.error('Called begin() for chart ' + chart.id + ' which is empty.');
+
+ this._current_chart._last_updated = now;
+ this._current_chart._began = true;
+ this._current_chart._counter++;
+
+ return true;
+ };
+
+ // set a collected value for a chart
+ // we do most things on the first value we attempt to set
+ service.set = function(dimension, value) {
+ if(this._current_chart === null) {
+ this.error('Called set(' + dimension + ', ' + value + ') without an open chart.');
+ return false;
+ }
+
+ if(typeof(this._current_chart.dimensions[dimension]) === 'undefined') {
+ this.error('Called set(' + dimension + ', ' + value + ') but dimension "' + dimension + '" does not exist in chart "' + this._current_chart.id + '".');
+ return false;
+ }
+
+ if(typeof value === 'undefined' || value === null)
+ return false;
+
+ if(this._current_chart._dimensions_count !== 0)
+ this.queue('SET ' + dimension + ' = ' + value.toString());
+
+ return true;
+ };
+
+ // end data collection for the current chart - after calling begin()
+ service.end = function() {
+ if(this._current_chart !== null && this._current_chart._began === false) {
+ this.error('Called end() without an open chart.');
+ return false;
+ }
+
+ if(this._current_chart._dimensions_count !== 0) {
+ this.queue('END');
+ netdata.send(this._queue);
+ }
+
+ this._queue = '';
+ this._current_chart._began = false;
+ if(netdata.options.DEBUG === true) netdata.debug('sent chart ' + this._current_chart.id);
+ this._current_chart = null;
+ return true;
+ };
+
+ // discard the collected values for the current chart - after calling begin()
+ service.flush = function() {
+ if(this._current_chart === null || this._current_chart._began === false) {
+ this.error('Called flush() without an open chart.');
+ return false;
+ }
+
+ this._queue = '';
+ this._current_chart._began = false;
+ this._current_chart = null;
+ return true;
+ };
+
+ // create a netdata chart
+ service.chart = function(id, chart) {
+ var __DEBUG = netdata.options.DEBUG;
+
+ if(typeof(netdata.charts[id]) === 'undefined') {
+ netdata.charts[id] = {
+ _created: false,
+ _updated: true,
+ _began: false,
+ _counter: 0,
+ _last_updated: 0,
+ _dimensions_count: 0,
+ id: id,
+ name: id,
+ title: 'untitled chart',
+ units: 'a unit',
+ family: '',
+ context: '',
+ type: netdata.chartTypes.line,
+ priority: 50000,
+ update_every: netdata.options.update_every,
+ dimensions: {}
+ };
+ }
+
+ var c = netdata.charts[id];
+
+ if(typeof(chart.name) !== 'undefined' && chart.name !== c.name) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its name');
+ c.name = chart.name;
+ c._updated = true;
+ }
+
+ if(typeof(chart.title) !== 'undefined' && chart.title !== c.title) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its title');
+ c.title = chart.title;
+ c._updated = true;
+ }
+
+ if(typeof(chart.units) !== 'undefined' && chart.units !== c.units) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its units');
+ c.units = chart.units;
+ c._updated = true;
+ }
+
+ if(typeof(chart.family) !== 'undefined' && chart.family !== c.family) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its family');
+ c.family = chart.family;
+ c._updated = true;
+ }
+
+ if(typeof(chart.context) !== 'undefined' && chart.context !== c.context) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its context');
+ c.context = chart.context;
+ c._updated = true;
+ }
+
+ if(typeof(chart.type) !== 'undefined' && chart.type !== c.type) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its type');
+ c.type = chart.type;
+ c._updated = true;
+ }
+
+ if(typeof(chart.priority) !== 'undefined' && chart.priority !== c.priority) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its priority');
+ c.priority = chart.priority;
+ c._updated = true;
+ }
+
+ if(typeof(chart.update_every) !== 'undefined' && chart.update_every !== c.update_every) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' updated its update_every from ' + c.update_every + ' to ' + chart.update_every);
+ c.update_every = chart.update_every;
+ c._updated = true;
+ }
+
+ if(typeof(chart.dimensions) !== 'undefined') {
+ var dims = Object.keys(chart.dimensions);
+ var len = dims.length;
+ while(len--) {
+ var x = dims[len];
+
+ if(typeof(c.dimensions[x]) === 'undefined') {
+ c._dimensions_count++;
+
+ c.dimensions[x] = {
+ _created: false,
+ _updated: false,
+ id: x, // the unique id of the dimension
+ name: x, // the name of the dimension
+ algorithm: netdata.chartAlgorithms.absolute, // the id of the netdata algorithm
+ multiplier: 1, // the multiplier
+ divisor: 1, // the divisor
+ hidden: false // is hidden (boolean)
+ };
+
+ if(__DEBUG === true) netdata.debug('chart ' + id + ' created dimension ' + x);
+ c._updated = true;
+ }
+
+ var dim = chart.dimensions[x];
+ var d = c.dimensions[x];
+
+ if(typeof(dim.name) !== 'undefined' && d.name !== dim.name) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its name');
+ d.name = dim.name;
+ d._updated = true;
+ }
+
+ if(typeof(dim.algorithm) !== 'undefined' && d.algorithm !== dim.algorithm) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its algorithm from ' + d.algorithm + ' to ' + dim.algorithm);
+ d.algorithm = dim.algorithm;
+ d._updated = true;
+ }
+
+ if(typeof(dim.multiplier) !== 'undefined' && d.multiplier !== dim.multiplier) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its multiplier');
+ d.multiplier = dim.multiplier;
+ d._updated = true;
+ }
+
+ if(typeof(dim.divisor) !== 'undefined' && d.divisor !== dim.divisor) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its divisor');
+ d.divisor = dim.divisor;
+ d._updated = true;
+ }
+
+ if(typeof(dim.hidden) !== 'undefined' && d.hidden !== dim.hidden) {
+ if(__DEBUG === true) netdata.debug('chart ' + id + ', dimension ' + x + ' updated its hidden status');
+ d.hidden = dim.hidden;
+ d._updated = true;
+ }
+
+ if(d._updated) c._updated = true;
+ }
+ }
+
+ //if(netdata.options.DEBUG === true) netdata.debug(netdata.charts);
+ return netdata.charts[id];
+ };
+
+ return service;
+ },
+
+ runAllServices: function() {
+ if(netdata.options.DEBUG === true) netdata.debug('runAllServices()');
+
+ var now = Date.now();
+ var len = netdata.services.length;
+ while(len--) {
+ var service = netdata.services[len];
+
+ if(service.enabled === false || service.running === true) continue;
+ if(now <= service.next_run) continue;
+
+ service.update();
+
+ now = Date.now();
+ service.next_run = now - (now % (service.update_every * 1000)) + (service.update_every * 1000);
+ }
+
+ // 1/10th of update_every in pause
+ setTimeout(netdata.runAllServices, netdata.options.update_every * 100);
+ },
+
+ start: function() {
+ if(netdata.options.DEBUG === true) this.debug('started, services: ' + netdata.stringify(this.services));
+
+ if(this.services.length === 0) {
+ this.disableNodePlugin();
+
+ // eslint suggested way to exit
+ var exit = process.exit;
+ exit(1);
+ }
+ else this.runAllServices();
+ },
+
+ // disable the whole node.js plugin
+ disableNodePlugin: function() {
+ this.send('DISABLE');
+
+ // eslint suggested way to exit
+ var exit = process.exit;
+ exit(1);
+ },
+
+ requestFromParams: function(protocol, hostname, port, path, method) {
+ return {
+ protocol: protocol,
+ hostname: hostname,
+ port: port,
+ path: path,
+ //family: 4,
+ method: method,
+ headers: {
+ 'Content-Type': 'application/x-www-form-urlencoded',
+ 'Connection': 'keep-alive'
+ },
+ agent: new http.Agent({
+ keepAlive: true,
+ keepAliveMsecs: netdata.options.update_every * 1000,
+ maxSockets: 2, // it must be 2 to work
+ maxFreeSockets: 1
+ })
+ };
+ },
+
+ requestFromURL: function(a_url) {
+ var u = url.parse(a_url);
+ return netdata.requestFromParams(u.protocol, u.hostname, u.port, u.path, 'GET');
+ },
+
+ configure: function(module, config, callback) {
+ if(netdata.options.DEBUG === true) this.debug(module.name + ': configuring (update_every: ' + this.options.update_every + ')...');
+
+ module.active = 0;
+ module.update_every = this.options.update_every;
+
+ if(typeof config.update_every !== 'undefined')
+ module.update_every = config.update_every;
+
+ module.enable_autodetect = (config.enable_autodetect)?true:false;
+
+ if(typeof(callback) === 'function')
+ module.configure_callback = callback;
+ else
+ module.configure_callback = null;
+
+ var added = module.configure(config);
+
+ if(netdata.options.DEBUG === true) this.debug(module.name + ': configured, reporting ' + added + ' eligible services.');
+
+ if(module.configure_callback !== null && added === 0) {
+ if(netdata.options.DEBUG === true) this.debug(module.name + ': configuration finish callback called from configure().');
+ var configure_callback = module.configure_callback;
+ module.configure_callback = null;
+ configure_callback();
+ }
+
+ return added;
+ }
+};
+
+if(netdata.options.DEBUG === true) netdata.debug('loaded netdata from:', __filename);
+module.exports = netdata;
diff --git a/collectors/node.d.plugin/node_modules/pixl-xml.js b/collectors/node.d.plugin/node_modules/pixl-xml.js
new file mode 100644
index 0000000..48de89e
--- /dev/null
+++ b/collectors/node.d.plugin/node_modules/pixl-xml.js
@@ -0,0 +1,607 @@
+// SPDX-License-Identifier: MIT
+/*
+ JavaScript XML Library
+ Plus a bunch of object utility functions
+
+ Usage:
+ var XML = require('pixl-xml');
+ var myxmlstring = '<?xml version="1.0"?><Document>' +
+ '<Simple>Hello</Simple>' +
+ '<Node Key="Value">Content</Node>' +
+ '</Document>';
+
+ var tree = XML.parse( myxmlstring, { preserveAttributes: true });
+ console.log( tree );
+
+ tree.Simple = "Hello2";
+ tree.Node._Attribs.Key = "Value2";
+ tree.Node._Data = "Content2";
+ tree.New = "I added this";
+
+ console.log( XML.stringify( tree, 'Document' ) );
+
+ Copyright (c) 2004 - 2015 Joseph Huckaby
+ Released under the MIT License
+ This version is for Node.JS, converted in 2012.
+*/
+
+var fs = require('fs');
+
+var indent_string = "\t";
+var xml_header = '<?xml version="1.0"?>';
+var sort_args = null;
+var re_valid_tag_name = /^\w[\w\-\:]*$/;
+
+var XML = exports.XML = function XML(args) {
+ // class constructor for XML parser class
+ // pass in args hash or text to parse
+ if (!args) args = '';
+ if (isa_hash(args)) {
+ for (var key in args) this[key] = args[key];
+ }
+ else this.text = args || '';
+
+ // stringify buffers
+ if (this.text instanceof Buffer) {
+ this.text = this.text.toString();
+ }
+
+ if (!this.text.match(/^\s*</)) {
+ // try as file path
+ var file = this.text;
+ this.text = fs.readFileSync(file, { encoding: 'utf8' });
+ if (!this.text) throw new Error("File not found: " + file);
+ }
+
+ this.tree = {};
+ this.errors = [];
+ this.piNodeList = [];
+ this.dtdNodeList = [];
+ this.documentNodeName = '';
+
+ if (this.lowerCase) {
+ this.attribsKey = this.attribsKey.toLowerCase();
+ this.dataKey = this.dataKey.toLowerCase();
+ }
+
+ this.patTag.lastIndex = 0;
+ if (this.text) this.parse();
+}
+
+XML.prototype.preserveAttributes = false;
+XML.prototype.lowerCase = false;
+
+XML.prototype.patTag = /([^<]*?)<([^>]+)>/g;
+XML.prototype.patSpecialTag = /^\s*([\!\?])/;
+XML.prototype.patPITag = /^\s*\?/;
+XML.prototype.patCommentTag = /^\s*\!--/;
+XML.prototype.patDTDTag = /^\s*\!DOCTYPE/;
+XML.prototype.patCDATATag = /^\s*\!\s*\[\s*CDATA/;
+XML.prototype.patStandardTag = /^\s*(\/?)([\w\-\:\.]+)\s*(.*)$/;
+XML.prototype.patSelfClosing = /\/\s*$/;
+XML.prototype.patAttrib = new RegExp("([\\w\\-\\:\\.]+)\\s*=\\s*([\\\"\\'])([^\\2]*?)\\2", "g");
+XML.prototype.patPINode = /^\s*\?\s*([\w\-\:]+)\s*(.*)$/;
+XML.prototype.patEndComment = /--$/;
+XML.prototype.patNextClose = /([^>]*?)>/g;
+XML.prototype.patExternalDTDNode = new RegExp("^\\s*\\!DOCTYPE\\s+([\\w\\-\\:]+)\\s+(SYSTEM|PUBLIC)\\s+\\\"([^\\\"]+)\\\"");
+XML.prototype.patInlineDTDNode = /^\s*\!DOCTYPE\s+([\w\-\:]+)\s+\[/;
+XML.prototype.patEndDTD = /\]$/;
+XML.prototype.patDTDNode = /^\s*\!DOCTYPE\s+([\w\-\:]+)\s+\[(.*)\]/;
+XML.prototype.patEndCDATA = /\]\]$/;
+XML.prototype.patCDATANode = /^\s*\!\s*\[\s*CDATA\s*\[([^]*)\]\]/;
+
+XML.prototype.attribsKey = '_Attribs';
+XML.prototype.dataKey = '_Data';
+
+XML.prototype.parse = function(branch, name) {
+ // parse text into XML tree, recurse for nested nodes
+ if (!branch) branch = this.tree;
+ if (!name) name = null;
+ var foundClosing = false;
+ var matches = null;
+
+ // match each tag, plus preceding text
+ while ( matches = this.patTag.exec(this.text) ) {
+ var before = matches[1];
+ var tag = matches[2];
+
+ // text leading up to tag = content of parent node
+ if (before.match(/\S/)) {
+ if (typeof(branch[this.dataKey]) != 'undefined') branch[this.dataKey] += ' '; else branch[this.dataKey] = '';
+ branch[this.dataKey] += trim(decode_entities(before));
+ }
+
+ // parse based on tag type
+ if (tag.match(this.patSpecialTag)) {
+ // special tag
+ if (tag.match(this.patPITag)) tag = this.parsePINode(tag);
+ else if (tag.match(this.patCommentTag)) tag = this.parseCommentNode(tag);
+ else if (tag.match(this.patDTDTag)) tag = this.parseDTDNode(tag);
+ else if (tag.match(this.patCDATATag)) {
+ tag = this.parseCDATANode(tag);
+ if (typeof(branch[this.dataKey]) != 'undefined') branch[this.dataKey] += ' '; else branch[this.dataKey] = '';
+ branch[this.dataKey] += trim(decode_entities(tag));
+ } // cdata
+ else {
+ this.throwParseError( "Malformed special tag", tag );
+ break;
+ } // error
+
+ if (tag == null) break;
+ continue;
+ } // special tag
+ else {
+ // Tag is standard, so parse name and attributes (if any)
+ var matches = tag.match(this.patStandardTag);
+ if (!matches) {
+ this.throwParseError( "Malformed tag", tag );
+ break;
+ }
+
+ var closing = matches[1];
+ var nodeName = this.lowerCase ? matches[2].toLowerCase() : matches[2];
+ var attribsRaw = matches[3];
+
+ // If this is a closing tag, make sure it matches its opening tag
+ if (closing) {
+ if (nodeName == (name || '')) {
+ foundClosing = 1;
+ break;
+ }
+ else {
+ this.throwParseError( "Mismatched closing tag (expected </" + name + ">)", tag );
+ break;
+ }
+ } // closing tag
+ else {
+ // Not a closing tag, so parse attributes into hash. If tag
+ // is self-closing, no recursive parsing is needed.
+ var selfClosing = !!attribsRaw.match(this.patSelfClosing);
+ var leaf = {};
+ var attribs = leaf;
+
+ // preserve attributes means they go into a sub-hash named "_Attribs"
+ // the XML composer honors this for restoring the tree back into XML
+ if (this.preserveAttributes) {
+ leaf[this.attribsKey] = {};
+ attribs = leaf[this.attribsKey];
+ }
+
+ // parse attributes
+ this.patAttrib.lastIndex = 0;
+ while ( matches = this.patAttrib.exec(attribsRaw) ) {
+ var key = this.lowerCase ? matches[1].toLowerCase() : matches[1];
+ attribs[ key ] = decode_entities( matches[3] );
+ } // foreach attrib
+
+ // if no attribs found, but we created the _Attribs subhash, clean it up now
+ if (this.preserveAttributes && !num_keys(attribs)) {
+ delete leaf[this.attribsKey];
+ }
+
+ // Recurse for nested nodes
+ if (!selfClosing) {
+ this.parse( leaf, nodeName );
+ if (this.error()) break;
+ }
+
+ // Compress into simple node if text only
+ var num_leaf_keys = num_keys(leaf);
+ if ((typeof(leaf[this.dataKey]) != 'undefined') && (num_leaf_keys == 1)) {
+ leaf = leaf[this.dataKey];
+ }
+ else if (!num_leaf_keys) {
+ leaf = '';
+ }
+
+ // Add leaf to parent branch
+ if (typeof(branch[nodeName]) != 'undefined') {
+ if (isa_array(branch[nodeName])) {
+ branch[nodeName].push( leaf );
+ }
+ else {
+ var temp = branch[nodeName];
+ branch[nodeName] = [ temp, leaf ];
+ }
+ }
+ else {
+ branch[nodeName] = leaf;
+ }
+
+ if (this.error() || (branch == this.tree)) break;
+ } // not closing
+ } // standard tag
+ } // main reg exp
+
+ // Make sure we found the closing tag
+ if (name && !foundClosing) {
+ this.throwParseError( "Missing closing tag (expected </" + name + ">)", name );
+ }
+
+ // If we are the master node, finish parsing and setup our doc node
+ if (branch == this.tree) {
+ if (typeof(this.tree[this.dataKey]) != 'undefined') delete this.tree[this.dataKey];
+
+ if (num_keys(this.tree) > 1) {
+ this.throwParseError( 'Only one top-level node is allowed in document', first_key(this.tree) );
+ return;
+ }
+
+ this.documentNodeName = first_key(this.tree);
+ if (this.documentNodeName) {
+ this.tree = this.tree[this.documentNodeName];
+ }
+ }
+};
+
+XML.prototype.throwParseError = function(key, tag) {
+ // log error and locate current line number in source XML document
+ var parsedSource = this.text.substring(0, this.patTag.lastIndex);
+ var eolMatch = parsedSource.match(/\n/g);
+ var lineNum = (eolMatch ? eolMatch.length : 0) + 1;
+ lineNum -= tag.match(/\n/) ? tag.match(/\n/g).length : 0;
+
+ this.errors.push({
+ type: 'Parse',
+ key: key,
+ text: '<' + tag + '>',
+ line: lineNum
+ });
+
+ // Throw actual error (must wrap parse in try/catch)
+ throw new Error( this.getLastError() );
+};
+
+XML.prototype.error = function() {
+ // return number of errors
+ return this.errors.length;
+};
+
+XML.prototype.getError = function(error) {
+ // get formatted error
+ var text = '';
+ if (!error) return '';
+
+ text = (error.type || 'General') + ' Error';
+ if (error.code) text += ' ' + error.code;
+ text += ': ' + error.key;
+
+ if (error.line) text += ' on line ' + error.line;
+ if (error.text) text += ': ' + error.text;
+
+ return text;
+};
+
+XML.prototype.getLastError = function() {
+ // Get most recently thrown error in plain text format
+ if (!this.error()) return '';
+ return this.getError( this.errors[this.errors.length - 1] );
+};
+
+XML.prototype.parsePINode = function(tag) {
+ // Parse Processor Instruction Node, e.g. <?xml version="1.0"?>
+ if (!tag.match(this.patPINode)) {
+ this.throwParseError( "Malformed processor instruction", tag );
+ return null;
+ }
+
+ this.piNodeList.push( tag );
+ return tag;
+};
+
+XML.prototype.parseCommentNode = function(tag) {
+ // Parse Comment Node, e.g. <!-- hello -->
+ var matches = null;
+ this.patNextClose.lastIndex = this.patTag.lastIndex;
+
+ while (!tag.match(this.patEndComment)) {
+ if (matches = this.patNextClose.exec(this.text)) {
+ tag += '>' + matches[1];
+ }
+ else {
+ this.throwParseError( "Unclosed comment tag", tag );
+ return null;
+ }
+ }
+
+ this.patTag.lastIndex = this.patNextClose.lastIndex;
+ return tag;
+};
+
+XML.prototype.parseDTDNode = function(tag) {
+ // Parse Document Type Descriptor Node, e.g. <!DOCTYPE ... >
+ var matches = null;
+
+ if (tag.match(this.patExternalDTDNode)) {
+ // tag is external, and thus self-closing
+ this.dtdNodeList.push( tag );
+ }
+ else if (tag.match(this.patInlineDTDNode)) {
+ // Tag is inline, so check for nested nodes.
+ this.patNextClose.lastIndex = this.patTag.lastIndex;
+
+ while (!tag.match(this.patEndDTD)) {
+ if (matches = this.patNextClose.exec(this.text)) {
+ tag += '>' + matches[1];
+ }
+ else {
+ this.throwParseError( "Unclosed DTD tag", tag );
+ return null;
+ }
+ }
+
+ this.patTag.lastIndex = this.patNextClose.lastIndex;
+
+ // Make sure complete tag is well-formed, and push onto DTD stack.
+ if (tag.match(this.patDTDNode)) {
+ this.dtdNodeList.push( tag );
+ }
+ else {
+ this.throwParseError( "Malformed DTD tag", tag );
+ return null;
+ }
+ }
+ else {
+ this.throwParseError( "Malformed DTD tag", tag );
+ return null;
+ }
+
+ return tag;
+};
+
+XML.prototype.parseCDATANode = function(tag) {
+ // Parse CDATA Node, e.g. <![CDATA[Brooks & Shields]]>
+ var matches = null;
+ this.patNextClose.lastIndex = this.patTag.lastIndex;
+
+ while (!tag.match(this.patEndCDATA)) {
+ if (matches = this.patNextClose.exec(this.text)) {
+ tag += '>' + matches[1];
+ }
+ else {
+ this.throwParseError( "Unclosed CDATA tag", tag );
+ return null;
+ }
+ }
+
+ this.patTag.lastIndex = this.patNextClose.lastIndex;
+
+ if (matches = tag.match(this.patCDATANode)) {
+ return matches[1];
+ }
+ else {
+ this.throwParseError( "Malformed CDATA tag", tag );
+ return null;
+ }
+};
+
+XML.prototype.getTree = function() {
+ // get reference to parsed XML tree
+ return this.tree;
+};
+
+XML.prototype.compose = function() {
+ // compose tree back into XML
+ var raw = compose_xml( this.tree, this.documentNodeName );
+ var body = raw.substring( raw.indexOf("\n") + 1, raw.length );
+ var xml = '';
+
+ if (this.piNodeList.length) {
+ for (var idx = 0, len = this.piNodeList.length; idx < len; idx++) {
+ xml += '<' + this.piNodeList[idx] + '>' + "\n";
+ }
+ }
+ else {
+ xml += xml_header + "\n";
+ }
+
+ if (this.dtdNodeList.length) {
+ for (var idx = 0, len = this.dtdNodeList.length; idx < len; idx++) {
+ xml += '<' + this.dtdNodeList[idx] + '>' + "\n";
+ }
+ }
+
+ xml += body;
+ return xml;
+};
+
+//
+// Static Utility Functions:
+//
+
+var parse_xml = exports.parse = function parse_xml(text, opts) {
+ // turn text into XML tree quickly
+ if (!opts) opts = {};
+ opts.text = text;
+ var parser = new XML(opts);
+ return parser.error() ? parser.getLastError() : parser.getTree();
+};
+
+var trim = exports.trim = function trim(text) {
+ // strip whitespace from beginning and end of string
+ if (text == null) return '';
+
+ if (text && text.replace) {
+ text = text.replace(/^\s+/, "");
+ text = text.replace(/\s+$/, "");
+ }
+
+ return text;
+};
+
+var encode_entities = exports.encodeEntities = function encode_entities(text) {
+ // Simple entitize exports.for = function for composing XML
+ if (text == null) return '';
+
+ if (text && text.replace) {
+ text = text.replace(/\&/g, "&amp;"); // MUST BE FIRST
+ text = text.replace(/</g, "&lt;");
+ text = text.replace(/>/g, "&gt;");
+ }
+
+ return text;
+};
+
+var encode_attrib_entities = exports.encodeAttribEntities = function encode_attrib_entities(text) {
+ // Simple entitize exports.for = function for composing XML attributes
+ if (text == null) return '';
+
+ if (text && text.replace) {
+ text = text.replace(/\&/g, "&amp;"); // MUST BE FIRST
+ text = text.replace(/</g, "&lt;");
+ text = text.replace(/>/g, "&gt;");
+ text = text.replace(/\"/g, "&quot;");
+ text = text.replace(/\'/g, "&apos;");
+ }
+
+ return text;
+};
+
+var decode_entities = exports.decodeEntities = function decode_entities(text) {
+ // Decode XML entities into raw ASCII
+ if (text == null) return '';
+
+ if (text && text.replace && text.match(/\&/)) {
+ text = text.replace(/\&lt\;/g, "<");
+ text = text.replace(/\&gt\;/g, ">");
+ text = text.replace(/\&quot\;/g, '"');
+ text = text.replace(/\&apos\;/g, "'");
+ text = text.replace(/\&amp\;/g, "&"); // MUST BE LAST
+ }
+
+ return text;
+};
+
+var compose_xml = exports.stringify = function compose_xml(node, name, indent) {
+ // Compose node into XML including attributes
+ // Recurse for child nodes
+ var xml = "";
+
+ // If this is the root node, set the indent to 0
+ // and setup the XML header (PI node)
+ if (!indent) {
+ indent = 0;
+ xml = xml_header + "\n";
+
+ if (!name) {
+ // no name provided, assume content is wrapped in it
+ name = first_key(node);
+ node = node[name];
+ }
+ }
+
+ // Setup the indent text
+ var indent_text = "";
+ for (var k = 0; k < indent; k++) indent_text += indent_string;
+
+ if ((typeof(node) == 'object') && (node != null)) {
+ // node is object -- now see if it is an array or hash
+ if (!node.length) { // what about zero-length array?
+ // node is hash
+ xml += indent_text + "<" + name;
+
+ var num_keys = 0;
+ var has_attribs = 0;
+ for (var key in node) num_keys++; // there must be a better way...
+
+ if (node["_Attribs"]) {
+ has_attribs = 1;
+ var sorted_keys = hash_keys_to_array(node["_Attribs"]).sort();
+ for (var idx = 0, len = sorted_keys.length; idx < len; idx++) {
+ var key = sorted_keys[idx];
+ xml += " " + key + "=\"" + encode_attrib_entities(node["_Attribs"][key]) + "\"";
+ }
+ } // has attribs
+
+ if (num_keys > has_attribs) {
+ // has child elements
+ xml += ">";
+
+ if (node["_Data"]) {
+ // simple text child node
+ xml += encode_entities(node["_Data"]) + "</" + name + ">\n";
+ } // just text
+ else {
+ xml += "\n";
+
+ var sorted_keys = hash_keys_to_array(node).sort();
+ for (var idx = 0, len = sorted_keys.length; idx < len; idx++) {
+ var key = sorted_keys[idx];
+ if ((key != "_Attribs") && key.match(re_valid_tag_name)) {
+ // recurse for node, with incremented indent value
+ xml += compose_xml( node[key], key, indent + 1 );
+ } // not _Attribs key
+ } // foreach key
+
+ xml += indent_text + "</" + name + ">\n";
+ } // real children
+ }
+ else {
+ // no child elements, so self-close
+ xml += "/>\n";
+ }
+ } // standard node
+ else {
+ // node is array
+ for (var idx = 0; idx < node.length; idx++) {
+ // recurse for node in array with same indent
+ xml += compose_xml( node[idx], name, indent );
+ }
+ } // array of nodes
+ } // complex node
+ else {
+ // node is simple string
+ xml += indent_text + "<" + name + ">" + encode_entities(node) + "</" + name + ">\n";
+ } // simple text node
+
+ return xml;
+};
+
+var always_array = exports.alwaysArray = function always_array(obj, key) {
+ // if object is not array, return array containing object
+ // if key is passed, work like XMLalwaysarray() instead
+ if (key) {
+ if ((typeof(obj[key]) != 'object') || (typeof(obj[key].length) == 'undefined')) {
+ var temp = obj[key];
+ delete obj[key];
+ obj[key] = new Array();
+ obj[key][0] = temp;
+ }
+ return null;
+ }
+ else {
+ if ((typeof(obj) != 'object') || (typeof(obj.length) == 'undefined')) { return [ obj ]; }
+ else return obj;
+ }
+};
+
+var hash_keys_to_array = exports.hashKeysToArray = function hash_keys_to_array(hash) {
+ // convert hash keys to array (discard values)
+ var array = [];
+ for (var key in hash) array.push(key);
+ return array;
+};
+
+var isa_hash = exports.isaHash = function isa_hash(arg) {
+ // determine if arg is a hash
+ return( !!arg && (typeof(arg) == 'object') && (typeof(arg.length) == 'undefined') );
+};
+
+var isa_array = exports.isaArray = function isa_array(arg) {
+ // determine if arg is an array or is array-like
+ if (typeof(arg) == 'array') return true;
+ return( !!arg && (typeof(arg) == 'object') && (typeof(arg.length) != 'undefined') );
+};
+
+var first_key = exports.firstKey = function first_key(hash) {
+ // return first key from hash (unordered)
+ for (var key in hash) return key;
+ return null; // no keys in hash
+};
+
+var num_keys = exports.numKeys = function num_keys(hash) {
+ // count the number of keys in a hash
+ var count = 0;
+ for (var a in hash) count++;
+ return count;
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 00:01:47 +0000