oss-fuzz/projects/libarchive/libarchive_fuzzer.cc

87 lines
2.6 KiB
C++

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