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1 /* Check for overflow in reading the padding length. | |
2 * Example by Jüri Aedla and Ralph Giles | |
3 * http://lists.xiph.org/pipermail/opus/2012-November/001834.html | |
4 */ | |
5 | |
6 #include <stdio.h> | |
7 #include <stdlib.h> | |
8 #include <string.h> | |
9 #include "opus.h" | |
10 #include "test_opus_common.h" | |
11 | |
12 #define PACKETSIZE 16909318 | |
13 #define CHANNELS 2 | |
14 #define FRAMESIZE 5760 | |
15 | |
16 int test_overflow(void) | |
17 { | |
18 OpusDecoder *decoder; | |
19 int result; | |
20 int error; | |
21 | |
22 unsigned char *in = malloc(PACKETSIZE); | |
23 opus_int16 *out = malloc(FRAMESIZE*CHANNELS*sizeof(*out)); | |
24 | |
25 fprintf(stderr, " Checking for padding overflow... "); | |
26 if (!in || !out) { | |
27 fprintf(stderr, "FAIL (out of memory)\n"); | |
28 return -1; | |
29 } | |
30 in[0] = 0xff; | |
31 in[1] = 0x41; | |
32 memset(in + 2, 0xff, PACKETSIZE - 3); | |
33 in[PACKETSIZE-1] = 0x0b; | |
34 | |
35 decoder = opus_decoder_create(48000, CHANNELS, &error); | |
36 result = opus_decode(decoder, in, PACKETSIZE, out, FRAMESIZE, 0); | |
37 opus_decoder_destroy(decoder); | |
38 | |
39 free(in); | |
40 free(out); | |
41 | |
42 if (result != OPUS_INVALID_PACKET) { | |
43 fprintf(stderr, "FAIL!\n"); | |
44 test_failed(); | |
45 } | |
46 | |
47 fprintf(stderr, "OK.\n"); | |
48 | |
49 return 1; | |
50 } | |
51 | |
52 int main(void) | |
53 { | |
54 const char *oversion; | |
55 int tests = 0;; | |
56 | |
57 iseed = 0; | |
58 oversion = opus_get_version_string(); | |
59 if (!oversion) test_failed(); | |
60 fprintf(stderr, "Testing %s padding.\n", oversion); | |
61 | |
62 tests += test_overflow(); | |
63 | |
64 fprintf(stderr, "All padding tests passed.\n"); | |
65 | |
66 return 0; | |
67 } | |
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