cannam@154: /* Copyright (c) 2012 Xiph.Org Foundation
cannam@154:    Written by Jüri Aedla and Ralph Giles */
cannam@154: /*
cannam@154:    Redistribution and use in source and binary forms, with or without
cannam@154:    modification, are permitted provided that the following conditions
cannam@154:    are met:
cannam@154: 
cannam@154:    - Redistributions of source code must retain the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer.
cannam@154: 
cannam@154:    - Redistributions in binary form must reproduce the above copyright
cannam@154:    notice, this list of conditions and the following disclaimer in the
cannam@154:    documentation and/or other materials provided with the distribution.
cannam@154: 
cannam@154:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
cannam@154:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
cannam@154:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
cannam@154:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
cannam@154:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
cannam@154:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
cannam@154:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
cannam@154:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
cannam@154:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
cannam@154:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
cannam@154:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cannam@154: */
cannam@154: 
cannam@154: /* Check for overflow in reading the padding length.
cannam@154:  * http://lists.xiph.org/pipermail/opus/2012-November/001834.html
cannam@154:  */
cannam@154: 
cannam@154: #include <stdio.h>
cannam@154: #include <stdlib.h>
cannam@154: #include <string.h>
cannam@154: #include "opus.h"
cannam@154: #include "test_opus_common.h"
cannam@154: 
cannam@154: #define PACKETSIZE 16909318
cannam@154: #define CHANNELS 2
cannam@154: #define FRAMESIZE 5760
cannam@154: 
cannam@154: int test_overflow(void)
cannam@154: {
cannam@154:   OpusDecoder *decoder;
cannam@154:   int result;
cannam@154:   int error;
cannam@154: 
cannam@154:   unsigned char *in = malloc(PACKETSIZE);
cannam@154:   opus_int16 *out = malloc(FRAMESIZE*CHANNELS*sizeof(*out));
cannam@154: 
cannam@154:   fprintf(stderr, "  Checking for padding overflow... ");
cannam@154:   if (!in || !out) {
cannam@154:     fprintf(stderr, "FAIL (out of memory)\n");
cannam@154:     return -1;
cannam@154:   }
cannam@154:   in[0] = 0xff;
cannam@154:   in[1] = 0x41;
cannam@154:   memset(in + 2, 0xff, PACKETSIZE - 3);
cannam@154:   in[PACKETSIZE-1] = 0x0b;
cannam@154: 
cannam@154:   decoder = opus_decoder_create(48000, CHANNELS, &error);
cannam@154:   result = opus_decode(decoder, in, PACKETSIZE, out, FRAMESIZE, 0);
cannam@154:   opus_decoder_destroy(decoder);
cannam@154: 
cannam@154:   free(in);
cannam@154:   free(out);
cannam@154: 
cannam@154:   if (result != OPUS_INVALID_PACKET) {
cannam@154:     fprintf(stderr, "FAIL!\n");
cannam@154:     test_failed();
cannam@154:   }
cannam@154: 
cannam@154:   fprintf(stderr, "OK.\n");
cannam@154: 
cannam@154:   return 1;
cannam@154: }
cannam@154: 
cannam@154: int main(void)
cannam@154: {
cannam@154:   const char *oversion;
cannam@154:   int tests = 0;;
cannam@154: 
cannam@154:   iseed = 0;
cannam@154:   oversion = opus_get_version_string();
cannam@154:   if (!oversion) test_failed();
cannam@154:   fprintf(stderr, "Testing %s padding.\n", oversion);
cannam@154: 
cannam@154:   tests += test_overflow();
cannam@154: 
cannam@154:   fprintf(stderr, "All padding tests passed.\n");
cannam@154: 
cannam@154:   return 0;
cannam@154: }