Coverage Report

Created: 2024-07-23 06:29

/src/libarchive_fuzzer.cc
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Source (jump to first uncovered line)
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// Copyright 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//      http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <stddef.h>
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#include <stdint.h>
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#include <vector>
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#include "archive.h"
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#include "archive_entry.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
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  struct archive *a = archive_read_new();
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  archive_read_support_filter_all(a);
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  archive_read_support_format_all(a);
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  archive_read_support_format_empty(a);
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  archive_read_support_format_raw(a);
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  archive_read_support_format_gnutar(a);
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  if (ARCHIVE_OK != archive_read_set_options(a, "zip:ignorecrc32,tar:read_concatenated_archives,tar:mac-ext")) {
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0
    return 0;
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0
  }
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  archive_read_add_passphrase(a, "secret");
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  if (ARCHIVE_OK != archive_read_open_memory(a, buf, len)) {
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    archive_read_free(a);
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    return 0;
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  }
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329k
  while(1) {
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    std::vector<uint8_t> data_buffer(getpagesize(), 0);
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329k
    struct archive_entry *entry;
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    int ret = archive_read_next_header(a, &entry);
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    if (ret == ARCHIVE_EOF || ret == ARCHIVE_FATAL)
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      break;
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329k
    if (ret == ARCHIVE_RETRY)
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      continue;
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38.2k
    (void)archive_entry_pathname(entry);
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38.2k
    (void)archive_entry_pathname_utf8(entry);
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38.2k
    (void)archive_entry_pathname_w(entry);
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38.2k
    (void)archive_entry_atime(entry);
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38.2k
    (void)archive_entry_birthtime(entry);
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38.2k
    (void)archive_entry_ctime(entry);
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38.2k
    (void)archive_entry_dev(entry);
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38.2k
    (void)archive_entry_digest(entry, ARCHIVE_ENTRY_DIGEST_SHA1);
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38.2k
    (void)archive_entry_filetype(entry);
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38.2k
    (void)archive_entry_gid(entry);
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38.2k
    (void)archive_entry_is_data_encrypted(entry);
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38.2k
    (void)archive_entry_is_encrypted(entry);
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38.2k
    (void)archive_entry_is_metadata_encrypted(entry);
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38.2k
    (void)archive_entry_mode(entry);
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38.2k
    (void)archive_entry_mtime(entry);
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38.2k
    (void)archive_entry_size(entry);
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38.2k
    (void)archive_entry_uid(entry);
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    ssize_t r;
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    while ((r = archive_read_data(a, data_buffer.data(),
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            data_buffer.size())) > 0)
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      ;
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    if (r == ARCHIVE_FATAL)
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      break;
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  }
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  archive_read_has_encrypted_entries(a);
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  archive_read_format_capabilities(a);
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  archive_file_count(a);
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  archive_seek_data(a, 0, SEEK_SET);
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  archive_read_free(a);
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  return 0;
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}