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Annotation of embedaddon/strongswan/fuzz/libFuzzerLocal.c, revision 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: }