63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#include <stdint.h>
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#include <inttypes.h>
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#include "miniz.h"
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static char filename[260];
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static unsigned char read_buf[1024 * 256];
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static const size_t filename_max = sizeof(filename);
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static const size_t read_buf_size = sizeof(read_buf);
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static const size_t data_max = 1024 * 256;
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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if (size > data_max)
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return 0;
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int ret = 0;
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mz_zip_archive zip;
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mz_zip_zero_struct(&zip);
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mz_uint flags = 0;
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if (!mz_zip_reader_init_mem(&zip, data, size, flags))
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return 0;
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mz_uint i, files;
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files = mz_zip_reader_get_num_files(&zip);
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for (i = 0; i < files; i++)
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{
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mz_zip_clear_last_error(&zip);
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if (mz_zip_reader_is_file_a_directory(&zip, i))
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continue;
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mz_zip_validate_file(&zip, i, MZ_ZIP_FLAG_VALIDATE_HEADERS_ONLY);
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if (mz_zip_reader_is_file_encrypted(&zip, i))
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continue;
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mz_zip_clear_last_error(&zip);
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mz_uint ret = mz_zip_reader_get_filename(&zip, i, filename, filename_max);
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if (mz_zip_get_last_error(&zip))
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continue;
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mz_zip_archive_file_stat file_stat = { 0 };
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mz_bool status = mz_zip_reader_file_stat(&zip, i, &file_stat) != 0;
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if ((file_stat.m_method) && (file_stat.m_method != MZ_DEFLATED))
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continue;
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mz_zip_reader_extract_file_to_mem(&zip, file_stat.m_filename, read_buf, read_buf_size, 0);
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}
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cleanup:
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mz_zip_reader_end(&zip);
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return ret;
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} |