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authorLennart Weller <lhw@ring0.de>2017-09-17 22:17:33 +0000
committerLennart Weller <lhw@ring0.de>2017-09-17 22:17:33 +0000
commit6aaf5ba7ed0980c14bdc554fc8839a2126455ed5 (patch)
tree6161925716661486e7f47c479668a9487b039d83 /node.d/node_modules/lib
parentNew upstream version 1.7.0+dfsg (diff)
downloadnetdata-6aaf5ba7ed0980c14bdc554fc8839a2126455ed5.tar.xz
netdata-6aaf5ba7ed0980c14bdc554fc8839a2126455ed5.zip
New upstream version 1.8.0+dfsgupstream/1.8.0+dfsg
Diffstat (limited to 'node.d/node_modules/lib')
-rw-r--r--node.d/node_modules/lib/ber/errors.js9
-rw-r--r--node.d/node_modules/lib/ber/index.js17
-rw-r--r--node.d/node_modules/lib/ber/reader.js269
-rw-r--r--node.d/node_modules/lib/ber/types.js34
-rw-r--r--node.d/node_modules/lib/ber/writer.js317
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;