2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include <openssl/buffer.h>
12 #include "../ssl/packet_locl.h"
15 const static unsigned char simple1 = 0xff;
16 const static unsigned char simple2[] = { 0x01, 0xff };
17 const static unsigned char simple3[] = { 0x00, 0x00, 0x00, 0x01, 0xff };
18 const static unsigned char nestedsub[] = { 0x03, 0xff, 0x01, 0xff };
19 const static unsigned char seqsub[] = { 0x01, 0xff, 0x01, 0xff };
20 const static unsigned char empty = 0x00;
21 const static unsigned char alloc[] = { 0x02, 0xfe, 0xff };
22 const static unsigned char submem[] = { 0x03, 0x02, 0xfe, 0xff };
26 static void testfail(const char *msg, WPACKET *pkt)
28 fprintf(stderr, "%s", msg);
32 static int test_WPACKET_init(void)
38 if ( !WPACKET_init(&pkt, buf)
39 || !WPACKET_put_bytes(&pkt, 0xff, 1)
40 /* Closing a top level WPACKET should fail */
41 || WPACKET_close(&pkt)
42 /* Finishing a top level WPACKET should succeed */
43 || !WPACKET_finish(&pkt)
45 * Can't call close or finish on a WPACKET that's already
48 || WPACKET_close(&pkt)
49 || WPACKET_finish(&pkt)
50 || !WPACKET_get_total_written(&pkt, &written)
51 || written != sizeof(simple1)
52 || memcmp(buf->data, &simple1, written) != 0) {
53 testfail("test_WPACKET_init():1 failed\n", &pkt);
57 /* Now try with a one byte length prefix */
58 if ( !WPACKET_init_len(&pkt, buf, 1)
59 || !WPACKET_put_bytes(&pkt, 0xff, 1)
60 || !WPACKET_finish(&pkt)
61 || !WPACKET_get_total_written(&pkt, &written)
62 || written != sizeof(simple2)
63 || memcmp(buf->data, &simple2, written) != 0) {
64 testfail("test_WPACKET_init():2 failed\n", &pkt);
68 /* And a longer length prefix */
69 if ( !WPACKET_init_len(&pkt, buf, 4)
70 || !WPACKET_put_bytes(&pkt, 0xff, 1)
71 || !WPACKET_finish(&pkt)
72 || !WPACKET_get_total_written(&pkt, &written)
73 || written != sizeof(simple3)
74 || memcmp(buf->data, &simple3, written) != 0) {
75 testfail("test_WPACKET_init():3 failed\n", &pkt);
79 if (!WPACKET_init_len(&pkt, buf, 1)) {
80 testfail("test_WPACKET_init():4 failed\n", &pkt);
83 for (i = 1; i < 257; i++) {
85 * Putting more bytes in than fit for the size of the length prefix
88 if ((!WPACKET_put_bytes(&pkt, 0xff, 1)) == (i != 256)) {
89 testfail("test_WPACKET_init():4 failed\n", &pkt);
93 if (!WPACKET_finish(&pkt)) {
94 testfail("test_WPACKET_init():4 failed\n", &pkt);
101 static int test_WPACKET_set_packet_len(void)
108 * Calling set_packet_len when the packet len is already set
111 if ( !WPACKET_init_len(&pkt, buf, 1)
112 || WPACKET_set_packet_len(&pkt, &len, sizeof(len))
113 || !WPACKET_finish(&pkt)) {
114 testfail("test_WPACKET_set_packet_len():1 failed\n", &pkt);
118 if ( !WPACKET_init(&pkt, buf)
119 || !WPACKET_set_packet_len(&pkt, &len, sizeof(len))
120 /* Can't set it again */
121 || WPACKET_set_packet_len(&pkt, &len, sizeof(len))
122 || !WPACKET_put_bytes(&pkt, 0xff, 1)
123 || !WPACKET_finish(&pkt)
124 || !WPACKET_get_total_written(&pkt, &written)
125 || written != sizeof(simple1)
126 || memcmp(buf->data, &simple1, written) != 0
128 testfail("test_WPACKET_set_packet_len():2 failed\n", &pkt);
135 static int test_WPACKET_set_max_size(void)
141 if ( !WPACKET_init(&pkt, buf)
143 * No previous lenbytes set so we should be ok to set the max
146 || !WPACKET_set_max_size(&pkt, SIZE_MAX)
147 /* We should be able to set it smaller too */
148 || !WPACKET_set_max_size(&pkt, SIZE_MAX -1)
149 /* And setting it bigger again should be ok */
150 || !WPACKET_set_max_size(&pkt, SIZE_MAX)
151 || !WPACKET_set_packet_len(&pkt, &len, 1)
153 * Max size can't be bigger than biggest that will fit in
156 || WPACKET_set_max_size(&pkt, 0x0101)
157 /* It can be the same as the maximum possible size */
158 || !WPACKET_set_max_size(&pkt, 0xff)
159 /* Or it can be less */
160 || !WPACKET_set_max_size(&pkt, 0x00)
162 * Should fail because packet is already filled
164 || WPACKET_put_bytes(&pkt, 0xff, 1)
166 * You can't put in more bytes than max size
168 || !WPACKET_set_max_size(&pkt, 0x01)
169 || !WPACKET_put_bytes(&pkt, 0xff, 1)
170 || WPACKET_put_bytes(&pkt, 0xff, 1)
171 || !WPACKET_finish(&pkt)
172 || !WPACKET_get_total_written(&pkt, &written)
173 || written != sizeof(simple1)
174 || memcmp(buf->data, &simple1, written) != 0
176 testfail("test_WPACKET_set_max_size():1 failed\n", &pkt);
180 if ( !WPACKET_init_len(&pkt, buf, 1)
182 * Should fail because we already consumed 1 byte with the
185 || WPACKET_set_max_size(&pkt, 0)
186 || !WPACKET_set_max_size(&pkt, 1)
187 || WPACKET_put_bytes(&pkt, 0xff, 1)
188 || !WPACKET_set_max_size(&pkt, 2)
189 || !WPACKET_put_bytes(&pkt, 0xff, 1)
190 || WPACKET_put_bytes(&pkt, 0xff, 1)
191 || !WPACKET_finish(&pkt)
192 || !WPACKET_get_total_written(&pkt, &written)
193 || written != sizeof(simple2)
194 || memcmp(buf->data, &simple2, written) != 0
196 testfail("test_WPACKET_set_max_size():2 failed\n", &pkt);
203 static int test_WPACKET_start_sub_packet(void)
209 if ( !WPACKET_init(&pkt, buf)
210 || !WPACKET_start_sub_packet(&pkt)
211 || !WPACKET_put_bytes(&pkt, 0xff, 1)
212 /* Can't finish because we have a sub packet */
213 || WPACKET_finish(&pkt)
214 || !WPACKET_close(&pkt)
215 /* Sub packet is closed so can't close again */
216 || WPACKET_close(&pkt)
217 /* Now a top level so finish should succeed */
218 || !WPACKET_finish(&pkt)
219 || !WPACKET_get_total_written(&pkt, &written)
220 || written != sizeof(simple1)
221 || memcmp(buf->data, &simple1, written) != 0) {
222 testfail("test_WPACKET_start_sub_packet():1 failed\n", &pkt);
226 /* Single sub-packet with length prefix */
227 if ( !WPACKET_init(&pkt, buf)
228 || !WPACKET_start_sub_packet_len(&pkt, 1)
229 || !WPACKET_put_bytes(&pkt, 0xff, 1)
230 || !WPACKET_close(&pkt)
231 || !WPACKET_finish(&pkt)
232 || !WPACKET_get_total_written(&pkt, &written)
233 || written != sizeof(simple2)
234 || memcmp(buf->data, &simple2, written) != 0) {
235 testfail("test_WPACKET_start_sub_packet():2 failed\n", &pkt);
239 /* Nested sub-packets with length prefixes */
240 if ( !WPACKET_init(&pkt, buf)
241 || !WPACKET_start_sub_packet_len(&pkt, 1)
242 || !WPACKET_put_bytes(&pkt, 0xff, 1)
243 || !WPACKET_start_sub_packet_len(&pkt, 1)
244 || !WPACKET_put_bytes(&pkt, 0xff, 1)
245 || !WPACKET_get_length(&pkt, &len)
247 || !WPACKET_close(&pkt)
248 || !WPACKET_get_length(&pkt, &len)
250 || !WPACKET_close(&pkt)
251 || !WPACKET_finish(&pkt)
252 || !WPACKET_get_total_written(&pkt, &written)
253 || written != sizeof(nestedsub)
254 || memcmp(buf->data, &nestedsub, written) != 0) {
255 testfail("test_WPACKET_start_sub_packet():3 failed\n", &pkt);
259 /* Sequential sub-packets with length prefixes */
260 if ( !WPACKET_init(&pkt, buf)
261 || !WPACKET_start_sub_packet_len(&pkt, 1)
262 || !WPACKET_put_bytes(&pkt, 0xff, 1)
263 || !WPACKET_close(&pkt)
264 || !WPACKET_start_sub_packet_len(&pkt, 1)
265 || !WPACKET_put_bytes(&pkt, 0xff, 1)
266 || !WPACKET_close(&pkt)
267 || !WPACKET_finish(&pkt)
268 || !WPACKET_get_total_written(&pkt, &written)
269 || written != sizeof(seqsub)
270 || memcmp(buf->data, &seqsub, written) != 0) {
271 testfail("test_WPACKET_start_sub_packet():4 failed\n", &pkt);
279 static int test_WPACKET_set_flags(void)
284 /* Set packet to be non-zero length */
285 if ( !WPACKET_init(&pkt, buf)
286 || !WPACKET_set_flags(&pkt, OPENSSL_WPACKET_FLAGS_NON_ZERO_LENGTH)
287 /* Should fail because of zero length */
288 || WPACKET_finish(&pkt)
289 || !WPACKET_put_bytes(&pkt, 0xff, 1)
290 || !WPACKET_finish(&pkt)
291 || !WPACKET_get_total_written(&pkt, &written)
292 || written != sizeof(simple1)
293 || memcmp(buf->data, &simple1, written) != 0) {
294 testfail("test_WPACKET_set_flags():1 failed\n", &pkt);
298 /* Repeat above test in a sub-packet */
299 if ( !WPACKET_init(&pkt, buf)
300 || !WPACKET_start_sub_packet(&pkt)
301 || !WPACKET_set_flags(&pkt, OPENSSL_WPACKET_FLAGS_NON_ZERO_LENGTH)
302 /* Should fail because of zero length */
303 || WPACKET_close(&pkt)
304 || !WPACKET_put_bytes(&pkt, 0xff, 1)
305 || !WPACKET_close(&pkt)
306 || !WPACKET_finish(&pkt)
307 || !WPACKET_get_total_written(&pkt, &written)
308 || written != sizeof(simple1)
309 || memcmp(buf->data, &simple1, written) != 0) {
310 testfail("test_WPACKET_set_flags():2 failed\n", &pkt);
314 /* Set packet to abandon non-zero length */
315 if ( !WPACKET_init_len(&pkt, buf, 1)
316 || !WPACKET_set_flags(&pkt,
317 OPENSSL_WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
318 || !WPACKET_finish(&pkt)
319 || !WPACKET_get_total_written(&pkt, &written)
321 testfail("test_WPACKET_set_flags():3 failed\n", &pkt);
325 /* Repeat above test but only abandon a sub-packet */
326 if ( !WPACKET_init_len(&pkt, buf, 1)
327 || !WPACKET_start_sub_packet_len(&pkt, 1)
328 || !WPACKET_set_flags(&pkt,
329 OPENSSL_WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
330 || !WPACKET_close(&pkt)
331 || !WPACKET_finish(&pkt)
332 || !WPACKET_get_total_written(&pkt, &written)
333 || written != sizeof(empty)
334 || memcmp(buf->data, &empty, written) != 0) {
335 testfail("test_WPACKET_set_flags():4 failed\n", &pkt);
339 /* And repeat with a non empty sub-packet */
340 if ( !WPACKET_init(&pkt, buf)
341 || !WPACKET_start_sub_packet_len(&pkt, 1)
342 || !WPACKET_set_flags(&pkt,
343 OPENSSL_WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
344 || !WPACKET_put_bytes(&pkt, 0xff, 1)
345 || !WPACKET_close(&pkt)
346 || !WPACKET_finish(&pkt)
347 || !WPACKET_get_total_written(&pkt, &written)
348 || written != sizeof(simple2)
349 || memcmp(buf->data, &simple2, written) != 0) {
350 testfail("test_WPACKET_set_flags():5 failed\n", &pkt);
356 static int test_WPACKET_allocate_bytes(void)
360 unsigned char *bytes;
362 if ( !WPACKET_init_len(&pkt, buf, 1)
363 || !WPACKET_allocate_bytes(&pkt, 2, &bytes)) {
364 testfail("test_WPACKET_allocate_bytes():1 failed\n", &pkt);
369 if ( !WPACKET_finish(&pkt)
370 || !WPACKET_get_total_written(&pkt, &written)
371 || written != sizeof(alloc)
372 || memcmp(buf->data, &alloc, written) != 0) {
373 testfail("test_WPACKET_allocate_bytes():2 failed\n", &pkt);
380 static int test_WPACKET_memcpy(void)
384 const unsigned char bytes[] = { 0xfe, 0xff };
386 if ( !WPACKET_init_len(&pkt, buf, 1)
387 || !WPACKET_memcpy(&pkt, bytes, sizeof(bytes))
388 || !WPACKET_finish(&pkt)
389 || !WPACKET_get_total_written(&pkt, &written)
390 || written != sizeof(alloc)
391 || memcmp(buf->data, &alloc, written) != 0) {
392 testfail("test_WPACKET_memcpy():1 failed\n", &pkt);
396 /* Repeat with WPACKET_sub_memcpy() */
397 if ( !WPACKET_init_len(&pkt, buf, 1)
398 || !WPACKET_sub_memcpy(&pkt, bytes, sizeof(bytes), 1)
399 || !WPACKET_finish(&pkt)
400 || !WPACKET_get_total_written(&pkt, &written)
401 || written != sizeof(submem)
402 || memcmp(buf->data, &submem, written) != 0) {
403 testfail("test_WPACKET_memcpy():2 failed\n", &pkt);
410 int main(int argc, char *argv[])
415 err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
417 CRYPTO_set_mem_debug(1);
418 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
422 ADD_TEST(test_WPACKET_init);
423 ADD_TEST(test_WPACKET_set_packet_len);
424 ADD_TEST(test_WPACKET_set_max_size);
425 ADD_TEST(test_WPACKET_start_sub_packet);
426 ADD_TEST(test_WPACKET_set_flags);
427 ADD_TEST(test_WPACKET_allocate_bytes);
428 ADD_TEST(test_WPACKET_memcpy);
430 testresult = run_tests(argv[0]);
435 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
436 if (CRYPTO_mem_leaks(err) <= 0)