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// Copyright 2014 Google Inc. All rights reserved.
//
// 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.
// This binary provides an entry point into Index::Process for the 'afl'
// (american fuzzy lop) fuzzer.
#include <stdio.h> // fprintf(), stderr
#include <stdlib.h> // exit()
#include <fcntl.h> // open()
#include <unistd.h> // read()
#include <leveldb/env.h> // WritableFile
#include "util.h"
#include "packets.h"
#include "index.h"
class NullFile : public leveldb::WritableFile {
public:
NullFile() {}
virtual ~NullFile() {}
leveldb::Status Append(const leveldb::Slice& data) override {
return leveldb::Status::OK();
}
leveldb::Status Close() override { return leveldb::Status::OK(); }
leveldb::Status Flush() override { return leveldb::Status::OK(); }
leveldb::Status Sync() override { return leveldb::Status::OK(); }
};
size_t ReadFile(char* filename, char* buffer, size_t len) {
fprintf(stderr, "Reading %s\n", filename);
int fd = open(filename, O_RDONLY);
if (fd <= 0) {
fprintf(stderr, "could not open file\n");
exit(1);
}
char* start = buffer;
char* limit = start + len;
while (start < limit) {
int n = read(fd, start, limit - start);
if (n < 0) {
fprintf(stderr, "failed to read file\n");
exit(1);
}
if (n == 0) break;
start += n;
}
close(fd);
return start - buffer;
}
int main(int argc, char** argv) {
if (argc != 2) {
fprintf(stderr, "need filename\n");
exit(1);
}
char buffer[1 << 20]; // 1MB
size_t got = ReadFile(argv[1], buffer, 1 << 20);
st::Packet p;
p.length = got;
p.data = leveldb::Slice(buffer, got);
p.offset_in_block = 1;
st::Index idx("/tmp", 123);
idx.Process(p, 0);
NullFile file;
idx.WriteTo(&file);
return 0;
}
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