/* Copyright (c) 2014, Google Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */

#ifndef OPENSSL_HEADER_TOOL_INTERNAL_H
#define OPENSSL_HEADER_TOOL_INTERNAL_H

#include <openssl/base.h>

#include <string>
#include <vector>

OPENSSL_MSVC_PRAGMA(warning(push))
// MSVC issues warning C4702 for unreachable code in its xtree header when
// compiling with -D_HAS_EXCEPTIONS=0. See
// https://connect.microsoft.com/VisualStudio/feedback/details/809962
OPENSSL_MSVC_PRAGMA(warning(disable: 4702))

#include <map>

OPENSSL_MSVC_PRAGMA(warning(pop))

#if defined(OPENSSL_WINDOWS)
  #define BORINGSSL_OPEN _open
  #define BORINGSSL_FDOPEN _fdopen
  #define BORINGSSL_CLOSE _close
  #define BORINGSSL_READ _read
  #define BORINGSSL_WRITE _write
#else
  #define BORINGSSL_OPEN open
  #define BORINGSSL_FDOPEN fdopen
  #define BORINGSSL_CLOSE close
  #define BORINGSSL_READ read
  #define BORINGSSL_WRITE write
#endif

struct FileCloser {
  void operator()(FILE *file) {
    fclose(file);
  }
};

using ScopedFILE = std::unique_ptr<FILE, FileCloser>;

enum ArgumentType {
  kRequiredArgument,
  kOptionalArgument,
  kBooleanArgument,
};

struct argument {
  const char *name;
  ArgumentType type;
  const char *description;
};

bool ParseKeyValueArguments(std::map<std::string, std::string> *out_args, const
    std::vector<std::string> &args, const struct argument *templates);

void PrintUsage(const struct argument *templates);

bool GetUnsigned(unsigned *out, const std::string &arg_name,
                 unsigned default_value,
                 const std::map<std::string, std::string> &args);

bool ReadAll(std::vector<uint8_t> *out, FILE *in);

bool Ciphers(const std::vector<std::string> &args);
bool Client(const std::vector<std::string> &args);
bool DoPKCS12(const std::vector<std::string> &args);
bool GenerateEd25519Key(const std::vector<std::string> &args);
bool GenerateRSAKey(const std::vector<std::string> &args);
bool MD5Sum(const std::vector<std::string> &args);
bool Rand(const std::vector<std::string> &args);
bool SHA1Sum(const std::vector<std::string> &args);
bool SHA224Sum(const std::vector<std::string> &args);
bool SHA256Sum(const std::vector<std::string> &args);
bool SHA384Sum(const std::vector<std::string> &args);
bool SHA512Sum(const std::vector<std::string> &args);
bool Server(const std::vector<std::string> &args);
bool Sign(const std::vector<std::string> &args);
bool Speed(const std::vector<std::string> &args);

// These values are DER encoded, RSA private keys.
extern const uint8_t kDERRSAPrivate2048[];
extern const size_t kDERRSAPrivate2048Len;
extern const uint8_t kDERRSAPrivate4096[];
extern const size_t kDERRSAPrivate4096Len;


#endif  // !OPENSSL_HEADER_TOOL_INTERNAL_H