/*

* (C) 2016,2017 Jack Lloyd

*

* Botan is released under the Simplified BSD License (see license.txt)

*/

#include "fuzzers.h"

#include <botan/asn1_print.h>

#include <fstream>

class ASN1_Parser final : public Botan::ASN1_Formatter

   {

   public:

      ASN1_Parser() : Botan::ASN1_Formatter(true, 64) {}

   protected:

      std::string format(Botan::ASN1_Type, Botan::ASN1_Class, size_t, size_t,

                         const std::string&) const override

         {

         return "";

         }

      std::string format_bin(Botan::ASN1_Type, Botan::ASN1_Class,

                             const std::vector<uint8_t>&) const override

         {

         return "";

         }

      std::string format_bn(const Botan::BigInt&) const override

         {

         return "";

         }

   };

void fuzz(const uint8_t in[], size_t len)

   {

   try

      {

      /*

      * Here we use an uninitialized ofstream so the fuzzer doesn't spend time

      * on actual output formatting, no memory is allocated, etc.

      */

      std::ofstream out;

      ASN1_Parser printer;

      printer.print_to_stream(out, in, len);

      }

   catch(Botan::Exception& e) { }

   }