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Annotation of embedaddon/strongswan/fuzz/libFuzzerLocal.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2017 Tobias Brunner
                      3:  * HSR Hochschule fuer Technik Rapperswil
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify it
                      6:  * under the terms of the GNU General Public License as published by the
                      7:  * Free Software Foundation; either version 2 of the License, or (at your
                      8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful, but
                     11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     13:  * for more details.
                     14:  */
                     15: 
                     16: #include <stdio.h>
                     17: #include <stdlib.h>
                     18: #include <errno.h>
                     19: #include <library.h>
                     20: 
                     21: extern int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size);
                     22: __attribute__((weak)) extern int LLVMFuzzerInitialize(int *argc, char ***argv);
                     23: 
                     24: /**
                     25:  * This is a simple driver for the fuzz targets to verify test inputs outside
                     26:  * of OSS-Fuzz.
                     27:  *
                     28:  * Failures will usually cause crashes.
                     29:  */
                     30: int main(int argc, char **argv)
                     31: {
                     32:        chunk_t *data;
                     33:        int i, res = 0;
                     34: 
                     35:        fprintf(stderr, "%s: running %d inputs\n", argv[0], argc - 1);
                     36:        if (LLVMFuzzerInitialize)
                     37:        {
                     38:                LLVMFuzzerInitialize(&argc, &argv);
                     39:        }
                     40:        for (i = 1; i < argc; i++)
                     41:        {
                     42:                fprintf(stderr, "running: %s\n", argv[i]);
                     43:                data = chunk_map(argv[i], FALSE);
                     44:                if (!data)
                     45:                {
                     46:                        fprintf(stderr, "opening %s failed: %s\n", argv[i], strerror(errno));
                     47:                        return 1;
                     48:                }
                     49:                res = LLVMFuzzerTestOneInput(data->ptr, data->len);
                     50:                fprintf(stderr, "done:    %s: (%zd bytes)\n", argv[i], data->len);
                     51:                chunk_unmap(data);
                     52:                if (res)
                     53:                {
                     54:                        break;
                     55:                }
                     56:        }
                     57:        fprintf(stderr, "%s: completed %d inputs\n", argv[0], i-1);
                     58:        return res;
                     59: }