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/* 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 <openssl/span.h>
#include <string>
#include <utility>
#include <vector>
// 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(push))
OPENSSL_MSVC_PRAGMA(warning(disable: 4702))
#include <map>
OPENSSL_MSVC_PRAGMA(warning(pop))
struct FileCloser {
void operator()(FILE *file) {
fclose(file);
}
};
using ScopedFILE = std::unique_ptr<FILE, FileCloser>;
// The following functions abstract between POSIX and Windows differences in
// file descriptor I/O functions.
// CloseFD behaves like |close|.
void CloseFD(int fd);
class ScopedFD {
public:
ScopedFD() {}
explicit ScopedFD(int fd) : fd_(fd) {}
ScopedFD(ScopedFD &&other) { *this = std::move(other); }
ScopedFD(const ScopedFD &) = delete;
~ScopedFD() { reset(); }
ScopedFD &operator=(const ScopedFD &) = delete;
ScopedFD &operator=(ScopedFD &&other) {
reset();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
explicit operator bool() const { return fd_ >= 0; }
int get() const { return fd_; }
void reset() {
if (fd_ >= 0) {
CloseFD(fd_);
}
fd_ = -1;
}
int release() {
int fd = fd_;
fd_ = -1;
return fd;
}
private:
int fd_ = -1;
};
// OpenFD behaves like |open| but handles |EINTR| and works on Windows.
ScopedFD OpenFD(const char *path, int flags);
// ReadFromFD reads up to |num| bytes from |fd| and writes the result to |out|.
// On success, it returns true and sets |*out_bytes_read| to the number of bytes
// read. Otherwise, it returns false and leaves an error in |errno|. On POSIX,
// it handles |EINTR| internally.
bool ReadFromFD(int fd, size_t *out_bytes_read, void *out, size_t num);
// WriteToFD writes up to |num| bytes from |in| to |fd|. On success, it returns
// true and sets |*out_bytes_written| to the number of bytes written. Otherwise,
// it returns false and leaves an error in |errno|. On POSIX, it handles |EINTR|
// internally.
bool WriteToFD(int fd, size_t *out_bytes_written, const void *in, size_t num);
// FDToFILE behaves like |fdopen|.
ScopedFILE FDToFILE(ScopedFD fd, const char *mode);
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 WriteToFile(const std::string &path, bssl::Span<const uint8_t> 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 GenerateECH(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 SHA512256Sum(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
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