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author | LinuxWizard42 <computerwizard@linuxmail.org> | 2022-10-12 22:54:37 +0300 |
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committer | LinuxWizard42 <computerwizard@linuxmail.org> | 2022-10-12 22:54:37 +0300 |
commit | 703e03aba33f234712206769f57717ba7d92d23d (patch) | |
tree | 0041f04ccb75bd5379c764e9fe42249fffe75fc3 /node_modules/asn1 | |
parent | ab6e257e6e9d9a483d7e86f220d8b209a2cd7753 (diff) | |
download | FlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.gz FlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.zst |
Added export_allowed file to make repository visible in cgit
Diffstat (limited to 'node_modules/asn1')
-rw-r--r-- | node_modules/asn1/LICENSE | 19 | ||||
-rw-r--r-- | node_modules/asn1/README.md | 50 | ||||
-rw-r--r-- | node_modules/asn1/lib/ber/errors.js | 13 | ||||
-rw-r--r-- | node_modules/asn1/lib/ber/index.js | 27 | ||||
-rw-r--r-- | node_modules/asn1/lib/ber/reader.js | 262 | ||||
-rw-r--r-- | node_modules/asn1/lib/ber/types.js | 36 | ||||
-rw-r--r-- | node_modules/asn1/lib/ber/writer.js | 317 | ||||
-rw-r--r-- | node_modules/asn1/lib/index.js | 20 | ||||
-rw-r--r-- | node_modules/asn1/package.json | 31 |
9 files changed, 775 insertions, 0 deletions
diff --git a/node_modules/asn1/LICENSE b/node_modules/asn1/LICENSE new file mode 100644 index 0000000..9b5dcdb --- /dev/null +++ b/node_modules/asn1/LICENSE @@ -0,0 +1,19 @@ +Copyright (c) 2011 Mark Cavage, All rights reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE diff --git a/node_modules/asn1/README.md b/node_modules/asn1/README.md new file mode 100644 index 0000000..2208210 --- /dev/null +++ b/node_modules/asn1/README.md @@ -0,0 +1,50 @@ +node-asn1 is a library for encoding and decoding ASN.1 datatypes in pure JS. +Currently BER encoding is supported; at some point I'll likely have to do DER. + +## Usage + +Mostly, if you're *actually* needing to read and write ASN.1, you probably don't +need this readme to explain what and why. If you have no idea what ASN.1 is, +see this: ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc + +The source is pretty much self-explanatory, and has read/write methods for the +common types out there. + +### Decoding + +The following reads an ASN.1 sequence with a boolean. + + var Ber = require('asn1').Ber; + + var reader = new Ber.Reader(Buffer.from([0x30, 0x03, 0x01, 0x01, 0xff])); + + reader.readSequence(); + console.log('Sequence len: ' + reader.length); + if (reader.peek() === Ber.Boolean) + console.log(reader.readBoolean()); + +### Encoding + +The following generates the same payload as above. + + var Ber = require('asn1').Ber; + + var writer = new Ber.Writer(); + + writer.startSequence(); + writer.writeBoolean(true); + writer.endSequence(); + + console.log(writer.buffer); + +## Installation + + npm install asn1 + +## License + +MIT. + +## Bugs + +See <https://github.com/joyent/node-asn1/issues>. diff --git a/node_modules/asn1/lib/ber/errors.js b/node_modules/asn1/lib/ber/errors.js new file mode 100644 index 0000000..4557b8a --- /dev/null +++ b/node_modules/asn1/lib/ber/errors.js @@ -0,0 +1,13 @@ +// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. + + +module.exports = { + + newInvalidAsn1Error: function (msg) { + var e = new Error(); + e.name = 'InvalidAsn1Error'; + e.message = msg || ''; + return e; + } + +}; diff --git a/node_modules/asn1/lib/ber/index.js b/node_modules/asn1/lib/ber/index.js new file mode 100644 index 0000000..387d132 --- /dev/null +++ b/node_modules/asn1/lib/ber/index.js @@ -0,0 +1,27 @@ +// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. + +var errors = require('./errors'); +var types = require('./types'); + +var Reader = require('./reader'); +var Writer = require('./writer'); + + +// --- Exports + +module.exports = { + + Reader: Reader, + + Writer: Writer + +}; + +for (var t in types) { + if (types.hasOwnProperty(t)) + module.exports[t] = types[t]; +} +for (var e in errors) { + if (errors.hasOwnProperty(e)) + module.exports[e] = errors[e]; +} diff --git a/node_modules/asn1/lib/ber/reader.js b/node_modules/asn1/lib/ber/reader.js new file mode 100644 index 0000000..8a7e4ca --- /dev/null +++ b/node_modules/asn1/lib/ber/reader.js @@ -0,0 +1,262 @@ +// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. + +var assert = require('assert'); +var Buffer = require('safer-buffer').Buffer; + +var ASN1 = require('./types'); +var errors = require('./errors'); + + +// --- Globals + +var newInvalidAsn1Error = errors.newInvalidAsn1Error; + + + +// --- 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 newInvalidAsn1Error('Indefinite length not supported'); + + if (lenB > 4) + throw newInvalidAsn1Error('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 newInvalidAsn1Error('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 () { + return this._readTag(ASN1.Integer); +}; + + +Reader.prototype.readBoolean = function () { + return (this._readTag(ASN1.Boolean) === 0 ? false : true); +}; + + +Reader.prototype.readEnumeration = function () { + 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 newInvalidAsn1Error('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 ? Buffer.alloc(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); + 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 newInvalidAsn1Error('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 newInvalidAsn1Error('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_modules/asn1/lib/ber/types.js b/node_modules/asn1/lib/ber/types.js new file mode 100644 index 0000000..8aea000 --- /dev/null +++ b/node_modules/asn1/lib/ber/types.js @@ -0,0 +1,36 @@ +// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. + + +module.exports = { + EOC: 0, + Boolean: 1, + Integer: 2, + BitString: 3, + OctetString: 4, + Null: 5, + OID: 6, + ObjectDescriptor: 7, + External: 8, + Real: 9, // float + 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_modules/asn1/lib/ber/writer.js b/node_modules/asn1/lib/ber/writer.js new file mode 100644 index 0000000..3515acf --- /dev/null +++ b/node_modules/asn1/lib/ber/writer.js @@ -0,0 +1,317 @@ +// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. + +var assert = require('assert'); +var Buffer = require('safer-buffer').Buffer; +var ASN1 = require('./types'); +var errors = require('./errors'); + + +// --- Globals + +var newInvalidAsn1Error = errors.newInvalidAsn1Error; + +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 = Buffer.alloc(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 newInvalidAsn1Error(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 newInvalidAsn1Error('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 (typeof (tag) !== 'number') + throw new TypeError('tag must be a number'); + if (!Buffer.isBuffer(buf)) + throw new TypeError('argument must be a buffer'); + + 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) { + if ((!strings instanceof Array)) + throw new TypeError('argument must be an Array[String]'); + + var self = this; + strings.forEach(function (s) { + self.writeString(s); + }); +}; + +// 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 newInvalidAsn1Error('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 newInvalidAsn1Error('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 = Buffer.alloc(sz); + + this._buf.copy(buf, 0, 0, this._offset); + this._buf = buf; + this._size = sz; + } +}; + + + +// --- Exported API + +module.exports = Writer; diff --git a/node_modules/asn1/lib/index.js b/node_modules/asn1/lib/index.js new file mode 100644 index 0000000..ede3ab2 --- /dev/null +++ b/node_modules/asn1/lib/index.js @@ -0,0 +1,20 @@ +// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. + +// If you have no idea what ASN.1 or BER is, see this: +// ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc + +var Ber = require('./ber/index'); + + + +// --- Exported API + +module.exports = { + + Ber: Ber, + + BerReader: Ber.Reader, + + BerWriter: Ber.Writer + +}; diff --git a/node_modules/asn1/package.json b/node_modules/asn1/package.json new file mode 100644 index 0000000..2b51c75 --- /dev/null +++ b/node_modules/asn1/package.json @@ -0,0 +1,31 @@ +{ + "author": "Joyent (joyent.com)", + "contributors": [ + "Mark Cavage <mcavage@gmail.com>", + "David Gwynne <loki@animata.net>", + "Yunong Xiao <yunong@joyent.com>", + "Alex Wilson <alex.wilson@joyent.com>" + ], + "name": "asn1", + "description": "Contains parsers and serializers for ASN.1 (currently BER only)", + "version": "0.2.4", + "repository": { + "type": "git", + "url": "git://github.com/joyent/node-asn1.git" + }, + "main": "lib/index.js", + "dependencies": { + "safer-buffer": "~2.1.0" + }, + "devDependencies": { + "istanbul": "^0.3.6", + "faucet": "0.0.1", + "tape": "^3.5.0", + "eslint": "2.13.1", + "eslint-plugin-joyent": "~1.3.0" + }, + "scripts": { + "test": "./node_modules/.bin/tape ./test/ber/*.test.js" + }, + "license": "MIT" +} |