Chris@69: /* Copyright (c) 2012 Xiph.Org Foundation
Chris@69:    Written by Jüri Aedla and Ralph Giles */
Chris@69: /*
Chris@69:    Redistribution and use in source and binary forms, with or without
Chris@69:    modification, are permitted provided that the following conditions
Chris@69:    are met:
Chris@69: 
Chris@69:    - Redistributions of source code must retain the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer.
Chris@69: 
Chris@69:    - Redistributions in binary form must reproduce the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer in the
Chris@69:    documentation and/or other materials provided with the distribution.
Chris@69: 
Chris@69:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@69:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@69:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@69:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
Chris@69:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
Chris@69:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
Chris@69:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
Chris@69:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
Chris@69:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
Chris@69:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Chris@69:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@69: */
Chris@69: 
Chris@69: /* Check for overflow in reading the padding length.
Chris@69:  * http://lists.xiph.org/pipermail/opus/2012-November/001834.html
Chris@69:  */
Chris@69: 
Chris@69: #include <stdio.h>
Chris@69: #include <stdlib.h>
Chris@69: #include <string.h>
Chris@69: #include "opus.h"
Chris@69: #include "test_opus_common.h"
Chris@69: 
Chris@69: #define PACKETSIZE 16909318
Chris@69: #define CHANNELS 2
Chris@69: #define FRAMESIZE 5760
Chris@69: 
Chris@69: int test_overflow(void)
Chris@69: {
Chris@69:   OpusDecoder *decoder;
Chris@69:   int result;
Chris@69:   int error;
Chris@69: 
Chris@69:   unsigned char *in = malloc(PACKETSIZE);
Chris@69:   opus_int16 *out = malloc(FRAMESIZE*CHANNELS*sizeof(*out));
Chris@69: 
Chris@69:   fprintf(stderr, "  Checking for padding overflow... ");
Chris@69:   if (!in || !out) {
Chris@69:     fprintf(stderr, "FAIL (out of memory)\n");
Chris@69:     return -1;
Chris@69:   }
Chris@69:   in[0] = 0xff;
Chris@69:   in[1] = 0x41;
Chris@69:   memset(in + 2, 0xff, PACKETSIZE - 3);
Chris@69:   in[PACKETSIZE-1] = 0x0b;
Chris@69: 
Chris@69:   decoder = opus_decoder_create(48000, CHANNELS, &error);
Chris@69:   result = opus_decode(decoder, in, PACKETSIZE, out, FRAMESIZE, 0);
Chris@69:   opus_decoder_destroy(decoder);
Chris@69: 
Chris@69:   free(in);
Chris@69:   free(out);
Chris@69: 
Chris@69:   if (result != OPUS_INVALID_PACKET) {
Chris@69:     fprintf(stderr, "FAIL!\n");
Chris@69:     test_failed();
Chris@69:   }
Chris@69: 
Chris@69:   fprintf(stderr, "OK.\n");
Chris@69: 
Chris@69:   return 1;
Chris@69: }
Chris@69: 
Chris@69: int main(void)
Chris@69: {
Chris@69:   const char *oversion;
Chris@69:   int tests = 0;;
Chris@69: 
Chris@69:   iseed = 0;
Chris@69:   oversion = opus_get_version_string();
Chris@69:   if (!oversion) test_failed();
Chris@69:   fprintf(stderr, "Testing %s padding.\n", oversion);
Chris@69: 
Chris@69:   tests += test_overflow();
Chris@69: 
Chris@69:   fprintf(stderr, "All padding tests passed.\n");
Chris@69: 
Chris@69:   return 0;
Chris@69: }