5 files changed, 646 insertions, 0 deletions
diff --git a/node.d/node_modules/lib/ber/errors.js b/node.d/node_modules/lib/ber/errors.js
new file mode 100644
index 000000000..0106747e6
--- /dev/null
+++ b/node.d/node_modules/lib/ber/errors.js
@@ -0,0 +1,9 @@
+
+module.exports = {
+	InvalidAsn1Error: function(msg) {
+		var e = new Error()
+		e.name = 'InvalidAsn1Error'
+		e.message = msg || ''
+		return e
+	}
+}
diff --git a/node.d/node_modules/lib/ber/index.js b/node.d/node_modules/lib/ber/index.js
new file mode 100644
index 000000000..65985c1e1
--- /dev/null
+++ b/node.d/node_modules/lib/ber/index.js
@@ -0,0 +1,17 @@
+
+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/node.d/node_modules/lib/ber/reader.js b/node.d/node_modules/lib/ber/reader.js
new file mode 100644
index 000000000..f93d829aa
--- /dev/null
+++ b/node.d/node_modules/lib/ber/reader.js
@@ -0,0 +1,269 @@
+
+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/node.d/node_modules/lib/ber/types.js b/node.d/node_modules/lib/ber/types.js
new file mode 100644
index 000000000..345824bb1
--- /dev/null
+++ b/node.d/node_modules/lib/ber/types.js
@@ -0,0 +1,34 @@
+
+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/node.d/node_modules/lib/ber/writer.js b/node.d/node_modules/lib/ber/writer.js
new file mode 100644
index 000000000..bf9805886
--- /dev/null
+++ b/node.d/node_modules/lib/ber/writer.js
@@ -0,0 +1,317 @@
+
+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;