tlegrand@google.com | 3c3902f | 2013-12-09 08:35:25 +0000 | [diff] [blame^] | 1 | /* Copyright (c) 2012 Xiph.Org Foundation |
| 2 | Written by Jüri Aedla and Ralph Giles */ |
| 3 | /* |
| 4 | Redistribution and use in source and binary forms, with or without |
| 5 | modification, are permitted provided that the following conditions |
| 6 | are met: |
| 7 | |
| 8 | - Redistributions of source code must retain the above copyright |
| 9 | notice, this list of conditions and the following disclaimer. |
| 10 | |
| 11 | - Redistributions in binary form must reproduce the above copyright |
| 12 | notice, this list of conditions and the following disclaimer in the |
| 13 | documentation and/or other materials provided with the distribution. |
| 14 | |
| 15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 18 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| 19 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 23 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 24 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | /* Check for overflow in reading the padding length. |
| 29 | * http://lists.xiph.org/pipermail/opus/2012-November/001834.html |
| 30 | */ |
| 31 | |
| 32 | #include <stdio.h> |
| 33 | #include <stdlib.h> |
| 34 | #include <string.h> |
| 35 | #include "opus.h" |
| 36 | #include "test_opus_common.h" |
| 37 | |
| 38 | #define PACKETSIZE 16909318 |
| 39 | #define CHANNELS 2 |
| 40 | #define FRAMESIZE 5760 |
| 41 | |
| 42 | int test_overflow(void) |
| 43 | { |
| 44 | OpusDecoder *decoder; |
| 45 | int result; |
| 46 | int error; |
| 47 | |
| 48 | unsigned char *in = malloc(PACKETSIZE); |
| 49 | opus_int16 *out = malloc(FRAMESIZE*CHANNELS*sizeof(*out)); |
| 50 | |
| 51 | fprintf(stderr, " Checking for padding overflow... "); |
| 52 | if (!in || !out) { |
| 53 | fprintf(stderr, "FAIL (out of memory)\n"); |
| 54 | return -1; |
| 55 | } |
| 56 | in[0] = 0xff; |
| 57 | in[1] = 0x41; |
| 58 | memset(in + 2, 0xff, PACKETSIZE - 3); |
| 59 | in[PACKETSIZE-1] = 0x0b; |
| 60 | |
| 61 | decoder = opus_decoder_create(48000, CHANNELS, &error); |
| 62 | result = opus_decode(decoder, in, PACKETSIZE, out, FRAMESIZE, 0); |
| 63 | opus_decoder_destroy(decoder); |
| 64 | |
| 65 | free(in); |
| 66 | free(out); |
| 67 | |
| 68 | if (result != OPUS_INVALID_PACKET) { |
| 69 | fprintf(stderr, "FAIL!\n"); |
| 70 | test_failed(); |
| 71 | } |
| 72 | |
| 73 | fprintf(stderr, "OK.\n"); |
| 74 | |
| 75 | return 1; |
| 76 | } |
| 77 | |
| 78 | int main(void) |
| 79 | { |
| 80 | const char *oversion; |
| 81 | int tests = 0;; |
| 82 | |
| 83 | iseed = 0; |
| 84 | oversion = opus_get_version_string(); |
| 85 | if (!oversion) test_failed(); |
| 86 | fprintf(stderr, "Testing %s padding.\n", oversion); |
| 87 | |
| 88 | tests += test_overflow(); |
| 89 | |
| 90 | fprintf(stderr, "All padding tests passed.\n"); |
| 91 | |
| 92 | return 0; |
| 93 | } |