ref: 1b72386a7c44857fe5b35fbfbce6b11c367f0e10
dir: /tests/test_opus_padding.c/
/* 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; }