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_max_size(void)
106 if ( !WPACKET_init(&pkt, buf)
108 * No previous lenbytes set so we should be ok to set the max
111 || !WPACKET_set_max_size(&pkt, SIZE_MAX)
112 /* We should be able to set it smaller too */
113 || !WPACKET_set_max_size(&pkt, SIZE_MAX -1)
114 /* And setting it bigger again should be ok */
115 || !WPACKET_set_max_size(&pkt, SIZE_MAX)
116 || !WPACKET_finish(&pkt)) {
117 testfail("test_WPACKET_set_max_size():1 failed\n", &pkt);
121 if ( !WPACKET_init_len(&pkt, buf, 1)
123 * Should fail because we already consumed 1 byte with the
126 || WPACKET_set_max_size(&pkt, 0)
128 * Max size can't be bigger than biggest that will fit in
131 || WPACKET_set_max_size(&pkt, 0x0101)
132 /* It can be the same as the maximum possible size */
133 || !WPACKET_set_max_size(&pkt, 0x0100)
134 /* Or it can be less */
135 || !WPACKET_set_max_size(&pkt, 0x01)
137 * Should fail because packet is already filled
139 || WPACKET_put_bytes(&pkt, 0xff, 1)
141 * You can't put in more bytes than max size
143 || !WPACKET_set_max_size(&pkt, 0x02)
144 || !WPACKET_put_bytes(&pkt, 0xff, 1)
145 || WPACKET_put_bytes(&pkt, 0xff, 1)
146 || !WPACKET_finish(&pkt)
147 || !WPACKET_get_total_written(&pkt, &written)
148 || written != sizeof(simple2)
149 || memcmp(buf->data, &simple2, written) != 0) {
150 testfail("test_WPACKET_set_max_size():2 failed\n", &pkt);
157 static int test_WPACKET_start_sub_packet(void)
163 if ( !WPACKET_init(&pkt, buf)
164 || !WPACKET_start_sub_packet(&pkt)
165 || !WPACKET_put_bytes(&pkt, 0xff, 1)
166 /* Can't finish because we have a sub packet */
167 || WPACKET_finish(&pkt)
168 || !WPACKET_close(&pkt)
169 /* Sub packet is closed so can't close again */
170 || WPACKET_close(&pkt)
171 /* Now a top level so finish should succeed */
172 || !WPACKET_finish(&pkt)
173 || !WPACKET_get_total_written(&pkt, &written)
174 || written != sizeof(simple1)
175 || memcmp(buf->data, &simple1, written) != 0) {
176 testfail("test_WPACKET_start_sub_packet():1 failed\n", &pkt);
180 /* Single sub-packet with length prefix */
181 if ( !WPACKET_init(&pkt, buf)
182 || !WPACKET_start_sub_packet_len(&pkt, 1)
183 || !WPACKET_put_bytes(&pkt, 0xff, 1)
184 || !WPACKET_close(&pkt)
185 || !WPACKET_finish(&pkt)
186 || !WPACKET_get_total_written(&pkt, &written)
187 || written != sizeof(simple2)
188 || memcmp(buf->data, &simple2, written) != 0) {
189 testfail("test_WPACKET_start_sub_packet():2 failed\n", &pkt);
193 /* Nested sub-packets with length prefixes */
194 if ( !WPACKET_init(&pkt, buf)
195 || !WPACKET_start_sub_packet_len(&pkt, 1)
196 || !WPACKET_put_bytes(&pkt, 0xff, 1)
197 || !WPACKET_start_sub_packet_len(&pkt, 1)
198 || !WPACKET_put_bytes(&pkt, 0xff, 1)
199 || !WPACKET_get_length(&pkt, &len)
201 || !WPACKET_close(&pkt)
202 || !WPACKET_get_length(&pkt, &len)
204 || !WPACKET_close(&pkt)
205 || !WPACKET_finish(&pkt)
206 || !WPACKET_get_total_written(&pkt, &written)
207 || written != sizeof(nestedsub)
208 || memcmp(buf->data, &nestedsub, written) != 0) {
209 testfail("test_WPACKET_start_sub_packet():3 failed\n", &pkt);
213 /* Sequential sub-packets with length prefixes */
214 if ( !WPACKET_init(&pkt, buf)
215 || !WPACKET_start_sub_packet_len(&pkt, 1)
216 || !WPACKET_put_bytes(&pkt, 0xff, 1)
217 || !WPACKET_close(&pkt)
218 || !WPACKET_start_sub_packet_len(&pkt, 1)
219 || !WPACKET_put_bytes(&pkt, 0xff, 1)
220 || !WPACKET_close(&pkt)
221 || !WPACKET_finish(&pkt)
222 || !WPACKET_get_total_written(&pkt, &written)
223 || written != sizeof(seqsub)
224 || memcmp(buf->data, &seqsub, written) != 0) {
225 testfail("test_WPACKET_start_sub_packet():4 failed\n", &pkt);
233 static int test_WPACKET_set_flags(void)
238 /* Set packet to be non-zero length */
239 if ( !WPACKET_init(&pkt, buf)
240 || !WPACKET_set_flags(&pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)
241 /* Should fail because of zero length */
242 || WPACKET_finish(&pkt)
243 || !WPACKET_put_bytes(&pkt, 0xff, 1)
244 || !WPACKET_finish(&pkt)
245 || !WPACKET_get_total_written(&pkt, &written)
246 || written != sizeof(simple1)
247 || memcmp(buf->data, &simple1, written) != 0) {
248 testfail("test_WPACKET_set_flags():1 failed\n", &pkt);
252 /* Repeat above test in a sub-packet */
253 if ( !WPACKET_init(&pkt, buf)
254 || !WPACKET_start_sub_packet(&pkt)
255 || !WPACKET_set_flags(&pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)
256 /* Should fail because of zero length */
257 || WPACKET_close(&pkt)
258 || !WPACKET_put_bytes(&pkt, 0xff, 1)
259 || !WPACKET_close(&pkt)
260 || !WPACKET_finish(&pkt)
261 || !WPACKET_get_total_written(&pkt, &written)
262 || written != sizeof(simple1)
263 || memcmp(buf->data, &simple1, written) != 0) {
264 testfail("test_WPACKET_set_flags():2 failed\n", &pkt);
268 /* Set packet to abandon non-zero length */
269 if ( !WPACKET_init_len(&pkt, buf, 1)
270 || !WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
271 || !WPACKET_finish(&pkt)
272 || !WPACKET_get_total_written(&pkt, &written)
274 testfail("test_WPACKET_set_flags():3 failed\n", &pkt);
278 /* Repeat above test but only abandon a sub-packet */
279 if ( !WPACKET_init_len(&pkt, buf, 1)
280 || !WPACKET_start_sub_packet_len(&pkt, 1)
281 || !WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
282 || !WPACKET_close(&pkt)
283 || !WPACKET_finish(&pkt)
284 || !WPACKET_get_total_written(&pkt, &written)
285 || written != sizeof(empty)
286 || memcmp(buf->data, &empty, written) != 0) {
287 testfail("test_WPACKET_set_flags():4 failed\n", &pkt);
291 /* And repeat with a non empty sub-packet */
292 if ( !WPACKET_init(&pkt, buf)
293 || !WPACKET_start_sub_packet_len(&pkt, 1)
294 || !WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
295 || !WPACKET_put_bytes(&pkt, 0xff, 1)
296 || !WPACKET_close(&pkt)
297 || !WPACKET_finish(&pkt)
298 || !WPACKET_get_total_written(&pkt, &written)
299 || written != sizeof(simple2)
300 || memcmp(buf->data, &simple2, written) != 0) {
301 testfail("test_WPACKET_set_flags():5 failed\n", &pkt);
307 static int test_WPACKET_allocate_bytes(void)
311 unsigned char *bytes;
313 if ( !WPACKET_init_len(&pkt, buf, 1)
314 || !WPACKET_allocate_bytes(&pkt, 2, &bytes)) {
315 testfail("test_WPACKET_allocate_bytes():1 failed\n", &pkt);
320 if ( !WPACKET_finish(&pkt)
321 || !WPACKET_get_total_written(&pkt, &written)
322 || written != sizeof(alloc)
323 || memcmp(buf->data, &alloc, written) != 0) {
324 testfail("test_WPACKET_allocate_bytes():2 failed\n", &pkt);
328 /* Repeat with WPACKET_sub_allocate_bytes */
329 if ( !WPACKET_init_len(&pkt, buf, 1)
330 || !WPACKET_sub_allocate_bytes(&pkt, 2, &bytes, 1)) {
331 testfail("test_WPACKET_allocate_bytes():3 failed\n", &pkt);
336 if ( !WPACKET_finish(&pkt)
337 || !WPACKET_get_total_written(&pkt, &written)
338 || written != sizeof(submem)
339 || memcmp(buf->data, &submem, written) != 0) {
340 testfail("test_WPACKET_allocate_bytes():4 failed\n", &pkt);
347 static int test_WPACKET_memcpy(void)
351 const unsigned char bytes[] = { 0xfe, 0xff };
353 if ( !WPACKET_init_len(&pkt, buf, 1)
354 || !WPACKET_memcpy(&pkt, bytes, sizeof(bytes))
355 || !WPACKET_finish(&pkt)
356 || !WPACKET_get_total_written(&pkt, &written)
357 || written != sizeof(alloc)
358 || memcmp(buf->data, &alloc, written) != 0) {
359 testfail("test_WPACKET_memcpy():1 failed\n", &pkt);
363 /* Repeat with WPACKET_sub_memcpy() */
364 if ( !WPACKET_init_len(&pkt, buf, 1)
365 || !WPACKET_sub_memcpy(&pkt, bytes, sizeof(bytes), 1)
366 || !WPACKET_finish(&pkt)
367 || !WPACKET_get_total_written(&pkt, &written)
368 || written != sizeof(submem)
369 || memcmp(buf->data, &submem, written) != 0) {
370 testfail("test_WPACKET_memcpy():2 failed\n", &pkt);
377 int main(int argc, char *argv[])
382 err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
384 CRYPTO_set_mem_debug(1);
385 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
389 ADD_TEST(test_WPACKET_init);
390 ADD_TEST(test_WPACKET_set_max_size);
391 ADD_TEST(test_WPACKET_start_sub_packet);
392 ADD_TEST(test_WPACKET_set_flags);
393 ADD_TEST(test_WPACKET_allocate_bytes);
394 ADD_TEST(test_WPACKET_memcpy);
396 testresult = run_tests(argv[0]);
401 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
402 if (CRYPTO_mem_leaks(err) <= 0)