diff options
| author | jacqueline <me@jacqueline.id.au> | 2024-01-18 14:55:27 +1100 |
|---|---|---|
| committer | jacqueline <me@jacqueline.id.au> | 2024-01-18 14:55:27 +1100 |
| commit | d1ae1a4230b413b6a92179936d431c83247c5fd2 (patch) | |
| tree | 3d209249d1829ff0e24660190035fad64fef050d /lib/faad2/fuzz/fuzz_decode.c | |
| parent | 442c45d461ad4c81d01898962e3ad420d390495a (diff) | |
| download | tangara-fw-d1ae1a4230b413b6a92179936d431c83247c5fd2.tar.gz | |
on second thought, let's not violate patents. 'tis a silly system.
Diffstat (limited to 'lib/faad2/fuzz/fuzz_decode.c')
| -rw-r--r-- | lib/faad2/fuzz/fuzz_decode.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/lib/faad2/fuzz/fuzz_decode.c b/lib/faad2/fuzz/fuzz_decode.c deleted file mode 100644 index 0e4c2005..00000000 --- a/lib/faad2/fuzz/fuzz_decode.c +++ /dev/null @@ -1,124 +0,0 @@ -/* -** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding -** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com -** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU General Public License as published by -** the Free Software Foundation; either version 2 of the License, or -** (at your option) any later version. -** -** This program is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -** GNU General Public License for more details. -** -** You should have received a copy of the GNU General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -** -** Any non-GPL usage of this software or parts of this software is strictly -** forbidden. -** -** The "appropriate copyright message" mentioned in section 2c of the GPLv2 -** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" -** -** Commercial non-GPL licensing of this software is possible. -** For more info contact Nero AG through Mpeg4AAClicense@nero.com. -**/ - -#include <fenv.h> -#include <stddef.h> -#include <stdint.h> -#include <string.h> -#include <stdlib.h> - -#include "neaacdec.h" - -int feenableexcept(int excepts); - -int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { - size_t preamble = 2 + 2 + 1 + sizeof(NeAACDecConfiguration); - NeAACDecConfiguration config; - uint64_t sample_rate; - unsigned char num_channels; - NeAACDecConfigurationPtr config_ptr; - /* feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW); */ - - if (size < preamble) return 0; - size_t len1 = data[0] | (data[1] << 8); - data += 2; - size_t len2 = data[0] | (data[1] << 8); - data += 2; - uint8_t flags = data[0]; - data += 1; - memcpy(&config, data, sizeof(NeAACDecConfiguration)); - data += sizeof(NeAACDecConfiguration); - size -= preamble; - - if (len1 + len2 > size) return 0; - size_t len3 = size - len1 - len2; - int use_init2 = flags & 1; - int seek_before = flags & 2; - int seek_between = flags & 4; - size_t buffer_op = (flags >> 3) & 3; - int use_drm = flags & 32; - int drm_channels = (flags >> 5) & 7; - unsigned long drm_sample_rate = config.defSampleRate; - int res, ok; - const size_t kBufferSize[4] = {0, 0, 16, 16384}; - size_t buffer_size = kBufferSize[buffer_op]; - void* buffer = buffer_size > 0 ? (unsigned char *)malloc(buffer_size) : NULL; - - unsigned char* part1 = (unsigned char *)malloc(len1); - unsigned char* part2 = (unsigned char *)malloc(len2); - unsigned char* part3 = (unsigned char *)malloc(len3); - memcpy(part1, data, len1); - data += len1; - memcpy(part2, data, len2); - data += len2; - memcpy(part3, data, len3); - data += len3; - - NeAACDecHandle decoder = NeAACDecOpen(); - ok = NeAACDecSetConfiguration(decoder, &config); - if (!ok) goto cleanup; - config_ptr = NeAACDecGetCurrentConfiguration(decoder); - if (!config_ptr) __builtin_trap(); - if (use_init2) { - res = NeAACDecInit2(decoder, part1, len1, &sample_rate, &num_channels); - } else { - res = NeAACDecInit(decoder, part1, len1, &sample_rate, &num_channels); - } - if (use_drm) { -#ifdef DRM_SUPPORT - NeAACDecInitDRM(&decoder, drm_channels, drm_sample_rate); -#else - (void)drm_channels; - (void)drm_sample_rate; -#endif - } - - if (res != 0) goto cleanup; - NeAACDecFrameInfo faad_info; - if (seek_before) { - NeAACDecPostSeekReset(decoder, 0x1234567); - } - NeAACDecDecode(decoder, &faad_info, part2, len2); - if (seek_between) { - NeAACDecPostSeekReset(decoder, -0x1234567); - } - if (buffer_op == 0) { - NeAACDecDecode(decoder, &faad_info, part3, len3); - } else { - NeAACDecDecode2(decoder, &faad_info, part3, len3, &buffer, buffer_size); - } - -cleanup: - NeAACDecClose(decoder); - free(part1); - free(part2); - free(part3); - if (buffer) free(buffer); - - return 0; -} |
