1 /* Copyright 2021 Google LLC
2 Licensed under the Apache License, Version 2.0 (the "License");
3 you may not use this file except in compliance with the License.
4 You may obtain a copy of the License at
5 http://www.apache.org/licenses/LICENSE-2.0
6 Unless required by applicable law or agreed to in writing, software
7 distributed under the License is distributed on an "AS IS" BASIS,
8 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
9 See the License for the specific language governing permissions and
10 limitations under the License.
11 */
12 #include <stdio.h>
13 #include <unistd.h>
14
15 #include <gpac/internal/isomedia_dev.h>
16 #include <gpac/constants.h>
17
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)18 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
19 char filename[256];
20 sprintf(filename, "/tmp/libfuzzer.%d", getpid());
21
22 FILE *fp = fopen(filename, "wb");
23 if (!fp) {
24 return 0;
25 }
26 fwrite(data, size, 1, fp);
27 fclose(fp);
28
29 GF_ISOFile *movie = NULL;
30 movie = gf_isom_open_file(filename, GF_ISOM_OPEN_READ_DUMP, NULL);
31 if (movie != NULL) {
32 gf_isom_close(movie);
33 }
34 unlink(filename);
35 return 0;
36 }
37