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// Copyright (c) 2019-2023, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <boost/program_options.hpp>
#include <boost/format.hpp>
#include <boost/algorithm/string.hpp>
#include <openssl/ssl.h>
#include <openssl/pem.h>
#include "include_base_utils.h"
#include "file_io_utils.h"
#include "net/net_ssl.h"
#include "crypto/crypto.h"
#include "common/util.h"
#include "common/i18n.h"
#include "common/command_line.h"
#include "common/scoped_message_writer.h"
#include "common/password.h"
#include "version.h"
namespace po = boost::program_options;
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "gen_ssl_cert"
namespace gencert
{
const char* tr(const char* str)
{
return i18n_translate(str, "tools::gen_ssl_cert");
}
}
namespace
{
const command_line::arg_descriptor<std::string> arg_certificate_filename = {"certificate-filename", gencert::tr("Filename to save the certificate"), ""};
const command_line::arg_descriptor<std::string> arg_private_key_filename = {"private-key-filename", gencert::tr("Filename to save the private key"), ""};
const command_line::arg_descriptor<std::string> arg_passphrase = {"passphrase", gencert::tr("Passphrase with which to encrypt the private key"), ""};
const command_line::arg_descriptor<std::string> arg_passphrase_file = {"passphrase-file", gencert::tr("File containing the passphrase with which to encrypt the private key"), ""};
const command_line::arg_descriptor<bool> arg_prompt_for_passphrase = {"prompt-for-passphrase", gencert::tr("Prompt for a passphrase with which to encrypt the private key"), false};
}
int main(int argc, char* argv[])
{
TRY_ENTRY();
tools::on_startup();
po::options_description desc_cmd_only("Command line options");
po::options_description desc_cmd_sett("Command line options and settings options");
command_line::add_arg(desc_cmd_sett, arg_certificate_filename);
command_line::add_arg(desc_cmd_sett, arg_private_key_filename);
command_line::add_arg(desc_cmd_sett, arg_passphrase);
command_line::add_arg(desc_cmd_sett, arg_passphrase_file);
command_line::add_arg(desc_cmd_sett, arg_prompt_for_passphrase);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
command_line::add_arg(desc_cmd_only, command_line::arg_version);
po::options_description desc_options("Allowed options");
desc_options.add(desc_cmd_only).add(desc_cmd_sett);
po::variables_map vm;
bool r = command_line::handle_error_helper(desc_options, [&]()
{
po::store(po::parse_command_line(argc, argv, desc_options), vm);
po::notify(vm);
return true;
});
if (!r)
return 1;
if (command_line::get_arg(vm, command_line::arg_help))
{
std::cout << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL << ENDL;
std::cout << desc_options << std::endl;
return 0;
}
if (command_line::get_arg(vm, command_line::arg_version))
{
std::cout << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL;
return 0;
}
const std::string certificate_filename = command_line::get_arg(vm, arg_certificate_filename);
if (certificate_filename.empty())
{
tools::fail_msg_writer() << gencert::tr("Argument is needed: ") << "--" << arg_certificate_filename.name;
return 1;
}
const std::string private_key_filename = command_line::get_arg(vm, arg_private_key_filename);
if (private_key_filename.empty())
{
tools::fail_msg_writer() << gencert::tr("Argument is needed: ") << "--" << arg_private_key_filename.name;
return 1;
}
epee::wipeable_string private_key_passphrase;
if (command_line::get_arg(vm, arg_prompt_for_passphrase))
{
auto pwd_container = tools::password_container::prompt(true, "Enter passphrase for the new SSL private key");
if (!pwd_container)
{
tools::fail_msg_writer() << gencert::tr("Failed to read passphrase");
return 1;
}
private_key_passphrase = pwd_container->password();
}
else if (!command_line::is_arg_defaulted(vm, arg_passphrase_file))
{
std::string passphrase_file = command_line::get_arg(vm, arg_passphrase_file);
if (!passphrase_file.empty())
{
std::string passphrase;
if (!epee::file_io_utils::load_file_to_string(passphrase_file, passphrase))
{
MERROR("Failed to load passphrase");
return 1;
}
// Remove line breaks the user might have inserted
boost::trim_right_if(passphrase, boost::is_any_of("\r\n"));
private_key_passphrase = passphrase;
memwipe(&passphrase[0], passphrase.size());
}
}
else
{
private_key_passphrase = command_line::get_arg(vm, arg_passphrase);
}
if (private_key_passphrase.empty())
tools::msg_writer(epee::console_color_yellow) << (boost::format(tr("Empty passphrase, the private key will be saved to disk unencrypted, use --%s to set a passphrase or --%s to prompt for one")) % arg_passphrase.name % arg_prompt_for_passphrase.name).str();
EVP_PKEY *pkey;
X509 *cert;
r = epee::net_utils::create_rsa_ssl_certificate(pkey, cert);
if (!r)
{
tools::fail_msg_writer() << gencert::tr("Failed to create certificate");
return 1;
}
// write cert
BIO *bio_cert = BIO_new(BIO_s_mem());
r = PEM_write_bio_X509(bio_cert, cert);
if (!r)
{
BIO_free(bio_cert);
tools::fail_msg_writer() << gencert::tr("Failed to write certificate: ") << ERR_reason_error_string(ERR_get_error());
return 1;
}
BUF_MEM *buf = NULL;
BIO_get_mem_ptr(bio_cert, &buf);
if (!buf || !buf->data || !buf->length)
{
BIO_free(bio_cert);
tools::fail_msg_writer() << gencert::tr("Failed to write certificate: ") << ERR_reason_error_string(ERR_get_error());
return 1;
}
const std::string certificate(std::string(buf->data, buf->length));
BIO_free(bio_cert);
// write private key
BIO *bio_pkey = BIO_new(BIO_s_mem());
r = PEM_write_bio_PKCS8PrivateKey(bio_pkey, pkey, private_key_passphrase.empty() ? NULL : EVP_aes_128_cfb(), private_key_passphrase.data(), private_key_passphrase.size(), NULL, NULL);
if (!r)
{
BIO_free(bio_pkey);
tools::fail_msg_writer() << gencert::tr("Failed to write private key: ") << ERR_reason_error_string(ERR_get_error());
return 1;
}
buf = NULL;
BIO_get_mem_ptr(bio_pkey, &buf);
if (!buf || !buf->data || !buf->length)
{
BIO_free(bio_pkey);
tools::fail_msg_writer() << gencert::tr("Failed to write private key: ") << ERR_reason_error_string(ERR_get_error());
return 1;
}
const std::string private_key(std::string(buf->data, buf->length));
BIO_free(bio_pkey);
// write files
tools::set_strict_default_file_permissions(true);
r = epee::file_io_utils::save_string_to_file(certificate_filename, certificate);
if (!r)
{
tools::fail_msg_writer() << gencert::tr("Failed to save certificate file");
return 1;
}
r = epee::file_io_utils::save_string_to_file(private_key_filename, private_key);
if (!r)
{
tools::fail_msg_writer() << gencert::tr("Failed to save private key file");
return 1;
}
tools::success_msg_writer() << tr("New certificate created:");
tools::success_msg_writer() << tr("Certificate: ") << certificate_filename;
tools::success_msg_writer() << tr("SHA-256 Fingerprint: ") << epee::net_utils::get_hr_ssl_fingerprint(cert);
tools::success_msg_writer() << tr("Private key: ") << private_key_filename << " (" << (private_key_passphrase.empty() ? "unencrypted" : "encrypted") << ")";
return 0;
CATCH_ENTRY_L0("main", 1);
}
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