| /* Check for overflow in reading the padding length. |
| * Example by Jüri Aedla and Ralph Giles |
| * http://lists.xiph.org/pipermail/opus/2012-November/001834.html |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "opus.h" |
| #include "test_opus_common.h" |
| |
| #define PACKETSIZE 16909318 |
| #define CHANNELS 2 |
| #define FRAMESIZE 5760 |
| |
| int test_overflow(void) |
| { |
| OpusDecoder *decoder; |
| int result; |
| int error; |
| |
| unsigned char *in = malloc(PACKETSIZE); |
| opus_int16 *out = malloc(FRAMESIZE*CHANNELS*sizeof(*out)); |
| |
| fprintf(stderr, " Checking for padding overflow... "); |
| if (!in || !out) { |
| fprintf(stderr, "FAIL (out of memory)\n"); |
| return -1; |
| } |
| in[0] = 0xff; |
| in[1] = 0x41; |
| memset(in + 2, 0xff, PACKETSIZE - 3); |
| in[PACKETSIZE-1] = 0x0b; |
| |
| decoder = opus_decoder_create(48000, CHANNELS, &error); |
| result = opus_decode(decoder, in, PACKETSIZE, out, FRAMESIZE, 0); |
| opus_decoder_destroy(decoder); |
| |
| free(in); |
| free(out); |
| |
| if (result != OPUS_INVALID_PACKET) { |
| fprintf(stderr, "FAIL!\n"); |
| test_failed(); |
| } |
| |
| fprintf(stderr, "OK.\n"); |
| |
| return 1; |
| } |
| |
| int main(void) |
| { |
| const char *oversion; |
| int tests = 0;; |
| |
| iseed = 0; |
| oversion = opus_get_version_string(); |
| if (!oversion) test_failed(); |
| fprintf(stderr, "Testing %s padding.\n", oversion); |
| |
| tests += test_overflow(); |
| |
| fprintf(stderr, "All padding tests passed.\n"); |
| |
| return 0; |
| } |