File: fuzzer.cpp

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#include <stdexcept>
#include <unistd.h>

#include <document.h>
#include <valijson/adapters/rapidjson_adapter.hpp>
#include <valijson/utils/rapidjson_utils.hpp>
#include <valijson/schema.hpp>
#include <valijson/schema_parser.hpp>

using valijson::Schema;
using valijson::SchemaParser;
using valijson::adapters::RapidJsonAdapter;

extern "C" int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
    if(size<3) return 0;
    char input_file[256];
    sprintf(input_file, "/tmp/libfuzzer.json");
    FILE *fp = fopen(input_file, "wb");
    if (!fp)
        return 0;
    fwrite(data, size, 1, fp);
    fclose(fp);

    rapidjson::Document schemaDocument;
    if (!valijson::utils::loadDocument(input_file, schemaDocument)) {
        return 1;
    }
    
    Schema schema;
    SchemaParser parser;
    RapidJsonAdapter schemaDocumentAdapter(schemaDocument);
    try {
        parser.populateSchema(schemaDocumentAdapter, schema);
    } catch (std::exception &e) {
        unlink(input_file);
        return 1;
    }

    unlink(input_file);
    return 1;
}