// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
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const { test } = require('tap')
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const BerReader = require('./reader')
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test('load library', function (t) {
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t.ok(BerReader)
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try {
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const reader = new BerReader()
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t.equal(reader, null, 'reader')
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t.fail('Should have thrown')
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} catch (e) {
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t.ok(e instanceof TypeError, 'Should have been a type error')
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}
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t.end()
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})
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test('read byte', function (t) {
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const reader = new BerReader(Buffer.from([0xde]))
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t.ok(reader)
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t.equal(reader.readByte(), 0xde, 'wrong value')
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t.end()
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})
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test('read 1 byte int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x01, 0x03]))
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t.ok(reader)
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t.equal(reader.readInt(), 0x03, 'wrong value')
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t.equal(reader.length, 0x01, 'wrong length')
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t.end()
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})
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test('read 2 byte int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x02, 0x7e, 0xde]))
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t.ok(reader)
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t.equal(reader.readInt(), 0x7ede, 'wrong value')
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t.equal(reader.length, 0x02, 'wrong length')
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t.end()
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})
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test('read 3 byte int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x03, 0x7e, 0xde, 0x03]))
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t.ok(reader)
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t.equal(reader.readInt(), 0x7ede03, 'wrong value')
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t.equal(reader.length, 0x03, 'wrong length')
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t.end()
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})
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test('read 4 byte int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x04, 0x7e, 0xde, 0x03, 0x01]))
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t.ok(reader)
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t.equal(reader.readInt(), 0x7ede0301, 'wrong value')
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t.equal(reader.length, 0x04, 'wrong length')
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t.end()
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})
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test('read 1 byte negative int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x01, 0xdc]))
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t.ok(reader)
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t.equal(reader.readInt(), -36, 'wrong value')
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t.equal(reader.length, 0x01, 'wrong length')
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t.end()
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})
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test('read 2 byte negative int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x02, 0xc0, 0x4e]))
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t.ok(reader)
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t.equal(reader.readInt(), -16306, 'wrong value')
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t.equal(reader.length, 0x02, 'wrong length')
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t.end()
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})
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test('read 3 byte negative int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x03, 0xff, 0x00, 0x19]))
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t.ok(reader)
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t.equal(reader.readInt(), -65511, 'wrong value')
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t.equal(reader.length, 0x03, 'wrong length')
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t.end()
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})
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test('read 4 byte negative int', function (t) {
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const reader = new BerReader(Buffer.from([0x02, 0x04, 0x91, 0x7c, 0x22, 0x1f]))
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t.ok(reader)
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t.equal(reader.readInt(), -1854135777, 'wrong value')
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t.equal(reader.length, 0x04, 'wrong length')
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t.end()
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})
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test('read boolean true', function (t) {
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const reader = new BerReader(Buffer.from([0x01, 0x01, 0xff]))
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t.ok(reader)
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t.equal(reader.readBoolean(), true, 'wrong value')
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t.equal(reader.length, 0x01, 'wrong length')
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t.end()
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})
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test('read boolean false', function (t) {
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const reader = new BerReader(Buffer.from([0x01, 0x01, 0x00]))
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t.ok(reader)
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t.equal(reader.readBoolean(), false, 'wrong value')
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t.equal(reader.length, 0x01, 'wrong length')
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t.end()
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})
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test('read enumeration', function (t) {
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const reader = new BerReader(Buffer.from([0x0a, 0x01, 0x20]))
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t.ok(reader)
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t.equal(reader.readEnumeration(), 0x20, 'wrong value')
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t.equal(reader.length, 0x01, 'wrong length')
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t.end()
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})
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test('read string', function (t) {
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const dn = 'cn=foo,ou=unit,o=test'
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const buf = Buffer.alloc(dn.length + 2)
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buf[0] = 0x04
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buf[1] = Buffer.byteLength(dn)
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buf.write(dn, 2)
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const reader = new BerReader(buf)
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t.ok(reader)
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t.equal(reader.readString(), dn, 'wrong value')
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t.equal(reader.length, dn.length, 'wrong length')
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t.end()
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})
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test('read sequence', function (t) {
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const reader = new BerReader(Buffer.from([0x30, 0x03, 0x01, 0x01, 0xff]))
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t.ok(reader)
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t.equal(reader.readSequence(), 0x30, 'wrong value')
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t.equal(reader.length, 0x03, 'wrong length')
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t.equal(reader.readBoolean(), true, 'wrong value')
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t.equal(reader.length, 0x01, 'wrong length')
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t.end()
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})
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test('anonymous LDAPv3 bind', function (t) {
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const BIND = Buffer.alloc(14)
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BIND[0] = 0x30 // Sequence
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BIND[1] = 12 // len
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BIND[2] = 0x02 // ASN.1 Integer
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BIND[3] = 1 // len
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BIND[4] = 0x04 // msgid (make up 4)
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BIND[5] = 0x60 // Bind Request
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BIND[6] = 7 // len
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BIND[7] = 0x02 // ASN.1 Integer
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BIND[8] = 1 // len
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BIND[9] = 0x03 // v3
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BIND[10] = 0x04 // String (bind dn)
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BIND[11] = 0 // len
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BIND[12] = 0x80 // ContextSpecific (choice)
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BIND[13] = 0 // simple bind
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// Start testing ^^
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const ber = new BerReader(BIND)
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t.equal(ber.readSequence(), 48, 'Not an ASN.1 Sequence')
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t.equal(ber.length, 12, 'Message length should be 12')
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t.equal(ber.readInt(), 4, 'Message id should have been 4')
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t.equal(ber.readSequence(), 96, 'Bind Request should have been 96')
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t.equal(ber.length, 7, 'Bind length should have been 7')
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t.equal(ber.readInt(), 3, 'LDAP version should have been 3')
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t.equal(ber.readString(), '', 'Bind DN should have been empty')
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t.equal(ber.length, 0, 'string length should have been 0')
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t.equal(ber.readByte(), 0x80, 'Should have been ContextSpecific (choice)')
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t.equal(ber.readByte(), 0, 'Should have been simple bind')
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t.equal(null, ber.readByte(), 'Should be out of data')
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t.end()
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})
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test('long string', function (t) {
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const buf = Buffer.alloc(256)
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const s =
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'2;649;CN=Red Hat CS 71GA Demo,O=Red Hat CS 71GA Demo,C=US;' +
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'CN=RHCS Agent - admin01,UID=admin01,O=redhat,C=US [1] This is ' +
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'Teena Vradmin\'s description.'
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buf[0] = 0x04
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buf[1] = 0x81
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buf[2] = 0x94
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buf.write(s, 3)
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const ber = new BerReader(buf.slice(0, 3 + s.length))
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t.equal(ber.readString(), s)
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t.end()
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})
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