1 // Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
3 var test = require('tap').test;
4 var sys = require('sys');
15 test('load library', function(t) {
16 BerWriter = require('../../lib/index').BerWriter;
18 t.ok(new BerWriter());
23 test('write byte', function(t) {
24 var writer = new BerWriter();
26 writer.writeByte(0xC2);
27 var ber = writer.buffer;
30 t.equal(ber.length, 1, 'Wrong length');
31 t.equal(ber[0], 0xC2, 'value wrong');
37 test('write 1 byte int', function(t) {
38 var writer = new BerWriter();
40 writer.writeInt(0x7f);
41 var ber = writer.buffer;
44 t.equal(ber.length, 3, 'Wrong length for an int: ' + ber.length);
45 t.equal(ber[0], 0x02, 'ASN.1 tag wrong (2) -> ' + ber[0]);
46 t.equal(ber[1], 0x01, 'length wrong(1) -> ' + ber[1]);
47 t.equal(ber[2], 0x7f, 'value wrong(3) -> ' + ber[2]);
53 test('write 2 byte int', function(t) {
54 var writer = new BerWriter();
56 writer.writeInt(0x7ffe);
57 var ber = writer.buffer;
60 t.equal(ber.length, 4, 'Wrong length for an int');
61 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
62 t.equal(ber[1], 0x02, 'length wrong');
63 t.equal(ber[2], 0x7f, 'value wrong (byte 1)');
64 t.equal(ber[3], 0xfe, 'value wrong (byte 2)');
70 test('write 3 byte int', function(t) {
71 var writer = new BerWriter();
73 writer.writeInt(0x7ffffe);
74 var ber = writer.buffer;
77 t.equal(ber.length, 5, 'Wrong length for an int');
78 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
79 t.equal(ber[1], 0x03, 'length wrong');
80 t.equal(ber[2], 0x7f, 'value wrong (byte 1)');
81 t.equal(ber[3], 0xff, 'value wrong (byte 2)');
82 t.equal(ber[4], 0xfe, 'value wrong (byte 3)');
88 test('write 4 byte int', function(t) {
89 var writer = new BerWriter();
91 writer.writeInt(0x7ffffffe);
92 var ber = writer.buffer;
96 t.equal(ber.length, 6, 'Wrong length for an int');
97 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
98 t.equal(ber[1], 0x04, 'length wrong');
99 t.equal(ber[2], 0x7f, 'value wrong (byte 1)');
100 t.equal(ber[3], 0xff, 'value wrong (byte 2)');
101 t.equal(ber[4], 0xff, 'value wrong (byte 3)');
102 t.equal(ber[5], 0xfe, 'value wrong (byte 4)');
108 test('write 1 byte negative int', function(t) {
109 var writer = new BerWriter();
111 writer.writeInt(-128);
112 var ber = writer.buffer;
116 t.equal(ber.length, 3, 'Wrong length for an int');
117 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
118 t.equal(ber[1], 0x01, 'length wrong');
119 t.equal(ber[2], 0x80, 'value wrong (byte 1)');
125 test('write 2 byte negative int', function(t) {
126 var writer = new BerWriter();
128 writer.writeInt(-22400);
129 var ber = writer.buffer;
133 t.equal(ber.length, 4, 'Wrong length for an int');
134 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
135 t.equal(ber[1], 0x02, 'length wrong');
136 t.equal(ber[2], 0xa8, 'value wrong (byte 1)');
137 t.equal(ber[3], 0x80, 'value wrong (byte 2)');
143 test('write 3 byte negative int', function(t) {
144 var writer = new BerWriter();
146 writer.writeInt(-481653);
147 var ber = writer.buffer;
151 t.equal(ber.length, 5, 'Wrong length for an int');
152 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
153 t.equal(ber[1], 0x03, 'length wrong');
154 t.equal(ber[2], 0xf8, 'value wrong (byte 1)');
155 t.equal(ber[3], 0xa6, 'value wrong (byte 2)');
156 t.equal(ber[4], 0x8b, 'value wrong (byte 3)');
162 test('write 4 byte negative int', function(t) {
163 var writer = new BerWriter();
165 writer.writeInt(-1522904131);
166 var ber = writer.buffer;
170 t.equal(ber.length, 6, 'Wrong length for an int');
171 t.equal(ber[0], 0x02, 'ASN.1 tag wrong');
172 t.equal(ber[1], 0x04, 'length wrong');
173 t.equal(ber[2], 0xa5, 'value wrong (byte 1)');
174 t.equal(ber[3], 0x3a, 'value wrong (byte 2)');
175 t.equal(ber[4], 0x53, 'value wrong (byte 3)');
176 t.equal(ber[5], 0xbd, 'value wrong (byte 4)');
182 test('write boolean', function(t) {
183 var writer = new BerWriter();
185 writer.writeBoolean(true);
186 writer.writeBoolean(false);
187 var ber = writer.buffer;
190 t.equal(ber.length, 6, 'Wrong length');
191 t.equal(ber[0], 0x01, 'tag wrong');
192 t.equal(ber[1], 0x01, 'length wrong');
193 t.equal(ber[2], 0xff, 'value wrong');
194 t.equal(ber[3], 0x01, 'tag wrong');
195 t.equal(ber[4], 0x01, 'length wrong');
196 t.equal(ber[5], 0x00, 'value wrong');
202 test('write string', function(t) {
203 var writer = new BerWriter();
204 writer.writeString('hello world');
205 var ber = writer.buffer;
208 t.equal(ber.length, 13, 'wrong length');
209 t.equal(ber[0], 0x04, 'wrong tag');
210 t.equal(ber[1], 11, 'wrong length');
211 t.equal(ber.slice(2).toString('utf8'), 'hello world', 'wrong value');
216 test('write buffer', function(t) {
217 var writer = new BerWriter();
218 // write some stuff to start with
219 writer.writeString('hello world');
220 var ber = writer.buffer;
221 var buf = new Buffer([0x04, 0x0b, 0x30, 0x09, 0x02, 0x01, 0x0f, 0x01, 0x01,
222 0xff, 0x01, 0x01, 0xff]);
223 writer.writeBuffer(buf.slice(2, buf.length), 0x04);
227 t.equal(ber.length, 26, 'wrong length');
228 t.equal(ber[0], 0x04, 'wrong tag');
229 t.equal(ber[1], 11, 'wrong length');
230 t.equal(ber.slice(2, 13).toString('utf8'), 'hello world', 'wrong value');
231 t.equal(ber[13], buf[0], 'wrong tag');
232 t.equal(ber[14], buf[1], 'wrong length');
233 for (var i = 13, j = 0; i < ber.length && j < buf.length; i++, j++) {
234 t.equal(ber[i], buf[j], 'buffer contents not identical');
239 test('write string array', function(t) {
240 var writer = new BerWriter();
241 writer.writeStringArray(['hello world', 'fubar!']);
242 var ber = writer.buffer;
246 t.equal(ber.length, 21, 'wrong length');
247 t.equal(ber[0], 0x04, 'wrong tag');
248 t.equal(ber[1], 11, 'wrong length');
249 t.equal(ber.slice(2, 13).toString('utf8'), 'hello world', 'wrong value');
251 t.equal(ber[13], 0x04, 'wrong tag');
252 t.equal(ber[14], 6, 'wrong length');
253 t.equal(ber.slice(15).toString('utf8'), 'fubar!', 'wrong value');
259 test('resize internal buffer', function(t) {
260 var writer = new BerWriter({size: 2});
261 writer.writeString('hello world');
262 var ber = writer.buffer;
265 t.equal(ber.length, 13, 'wrong length');
266 t.equal(ber[0], 0x04, 'wrong tag');
267 t.equal(ber[1], 11, 'wrong length');
268 t.equal(ber.slice(2).toString('utf8'), 'hello world', 'wrong value');
274 test('sequence', function(t) {
275 var writer = new BerWriter({size: 25});
276 writer.startSequence();
277 writer.writeString('hello world');
278 writer.endSequence();
279 var ber = writer.buffer;
283 t.equal(ber.length, 15, 'wrong length');
284 t.equal(ber[0], 0x30, 'wrong tag');
285 t.equal(ber[1], 13, 'wrong length');
286 t.equal(ber[2], 0x04, 'wrong tag');
287 t.equal(ber[3], 11, 'wrong length');
288 t.equal(ber.slice(4).toString('utf8'), 'hello world', 'wrong value');
294 test('nested sequence', function(t) {
295 var writer = new BerWriter({size: 25});
296 writer.startSequence();
297 writer.writeString('hello world');
298 writer.startSequence();
299 writer.writeString('hello world');
300 writer.endSequence();
301 writer.endSequence();
302 var ber = writer.buffer;
305 t.equal(ber.length, 30, 'wrong length');
306 t.equal(ber[0], 0x30, 'wrong tag');
307 t.equal(ber[1], 28, 'wrong length');
308 t.equal(ber[2], 0x04, 'wrong tag');
309 t.equal(ber[3], 11, 'wrong length');
310 t.equal(ber.slice(4, 15).toString('utf8'), 'hello world', 'wrong value');
311 t.equal(ber[15], 0x30, 'wrong tag');
312 t.equal(ber[16], 13, 'wrong length');
313 t.equal(ber[17], 0x04, 'wrong tag');
314 t.equal(ber[18], 11, 'wrong length');
315 t.equal(ber.slice(19, 30).toString('utf8'), 'hello world', 'wrong value');
321 test('LDAP bind message', function(t) {
322 var dn = 'cn=foo,ou=unit,o=test';
323 var writer = new BerWriter();
324 writer.startSequence();
325 writer.writeInt(3); // msgid = 3
326 writer.startSequence(0x60); // ldap bind
327 writer.writeInt(3); // ldap v3
328 writer.writeString(dn);
329 writer.writeByte(0x80);
330 writer.writeByte(0x00);
331 writer.endSequence();
332 writer.endSequence();
333 var ber = writer.buffer;
336 t.equal(ber.length, 35, 'wrong length (buffer)');
337 t.equal(ber[0], 0x30, 'wrong tag');
338 t.equal(ber[1], 33, 'wrong length');
339 t.equal(ber[2], 0x02, 'wrong tag');
340 t.equal(ber[3], 1, 'wrong length');
341 t.equal(ber[4], 0x03, 'wrong value');
342 t.equal(ber[5], 0x60, 'wrong tag');
343 t.equal(ber[6], 28, 'wrong length');
344 t.equal(ber[7], 0x02, 'wrong tag');
345 t.equal(ber[8], 1, 'wrong length');
346 t.equal(ber[9], 0x03, 'wrong value');
347 t.equal(ber[10], 0x04, 'wrong tag');
348 t.equal(ber[11], dn.length, 'wrong length');
349 t.equal(ber.slice(12, 33).toString('utf8'), dn, 'wrong value');
350 t.equal(ber[33], 0x80, 'wrong tag');
351 t.equal(ber[34], 0x00, 'wrong len');
357 test('Write OID', function(t) {
358 var oid = '1.2.840.113549.1.1.1';
359 var writer = new BerWriter();
360 writer.writeOID(oid);
362 var ber = writer.buffer;
364 console.log(require('util').inspect(ber));
365 console.log(require('util').inspect(new Buffer([0x06, 0x09, 0x2a, 0x86,
366 0x48, 0x86, 0xf7, 0x0d,
367 0x01, 0x01, 0x01])));