84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
/*
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zip_random_uwp.c -- fill the user's buffer with random stuff (UWP version)
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Copyright (C) 2017-2023 Dieter Baron and Thomas Klausner
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This file is part of libzip, a library to manipulate ZIP archives.
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The authors can be contacted at <info@libzip.org>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. The names of the authors may not be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <errno.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <zip.h>
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#include "zip_read_fuzzer_common.h"
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/**
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This fuzzing target takes input data, creates a ZIP archive from it, checks the archive's consistency,
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and iterates over the entries in the archive, reading data from each entry.
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**/
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#ifdef __cplusplus
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extern "C"
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#endif
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int
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LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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zip_t *za;
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const char *name = "test.zip";
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FILE *fp;
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zip_error_t error;
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int err = 0;
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(void)remove(name);
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if ((fp = fopen(name, "wb")) == NULL) {
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fprintf(stderr, "can't create file '%s': %s\n", name, strerror(errno));
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return 0;
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}
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if (fwrite(data, 1, size, fp) != size) {
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fprintf(stderr, "can't write data to file '%s': %s\n", name, strerror(errno));
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fclose(fp);
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(void)remove(name);
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return 0;
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}
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if (fclose(fp) < 0) {
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fprintf(stderr, "can't close file '%s': %s\n", name, strerror(errno));
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(void)remove(name);
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return 0;
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}
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za = zip_open(name, 0, &err);
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zip_error_init_with_code(&error, err);
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fuzzer_read(za, &error, NULL);
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(void)remove(name);
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return 0;
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}
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