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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "Platform.h"
#include <stdlib.h> /* _fmode */
#include <fcntl.h> /* _O_BINARY */
#include <locale.h> // For setlocale, LC_*
#include <iostream>
#ifdef HAVE_OPENSSL
# include <openssl/err.h>
# include <openssl/ssl.h>
# include "libssl_compat.h"
#endif // HAVE_OPENSSL
#ifdef HAVE_LIBGCRYPT
# include <gcrypt.h>
#endif // HAVE_LIBGCRYPT
#ifdef HAVE_LIBGNUTLS
# include <gnutls/gnutls.h>
#endif // HAVE_LIBGNUTLS
#ifdef ENABLE_ASYNC_DNS
# include <ares.h>
#endif // ENABLE_ASYNC_DNS
#ifdef HAVE_LIBSSH2
# include <libssh2.h>
#endif // HAVE_LIBSSH2
#include "a2netcompat.h"
#include "DlAbortEx.h"
#include "message.h"
#include "fmt.h"
#include "console.h"
#include "OptionParser.h"
#include "prefs.h"
#ifdef HAVE_LIBGMP
# include "a2gmp.h"
#endif // HAVE_LIBGMP
#include "LogFactory.h"
#include "util.h"
#include "SocketCore.h"
namespace aria2 {
#ifdef HAVE_LIBGNUTLS
namespace {
void gnutls_log_callback(int level, const char* str)
{
using namespace aria2;
// GnuTLS adds a newline. Drop it.
std::string msg(str);
msg.resize(msg.size() - 1);
A2_LOG_DEBUG(fmt("GnuTLS: <%d> %s", level, msg.c_str()));
}
} // namespace
#endif // HAVE_LIBGNUTLS
bool Platform::initialized_ = false;
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
OSSL_PROVIDER* Platform::legacy_provider_ = nullptr;
OSSL_PROVIDER* Platform::default_provider_ = nullptr;
#endif // OPENSSL_VERSION_NUMBER >= 0x30000000L
Platform::Platform() { setUp(); }
Platform::~Platform() { tearDown(); }
bool Platform::setUp()
{
if (initialized_) {
return false;
}
initialized_ = true;
#ifdef HAVE_LIBGMP
global::initGmp();
#endif // HAVE_LIBGMP
#ifdef ENABLE_NLS
setlocale(LC_CTYPE, "");
setlocale(LC_MESSAGES, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
#endif // ENABLE_NLS
#ifdef HAVE_OPENSSL
# if OPENSSL_VERSION_NUMBER >= 0x30000000L
// RC4 is in the legacy provider.
legacy_provider_ = OSSL_PROVIDER_load(nullptr, "legacy");
if (!legacy_provider_) {
throw DL_ABORT_EX("OSSL_PROVIDER_load 'legacy' failed.");
}
default_provider_ = OSSL_PROVIDER_load(nullptr, "default");
if (!default_provider_) {
throw DL_ABORT_EX("OSSL_PROVIDER_load 'default' failed.");
}
# elif !OPENSSL_101_API
// for SSL initialization
SSL_load_error_strings();
SSL_library_init();
// Need this to "decrypt" p12 files.
OpenSSL_add_all_algorithms();
# endif // !OPENSSL_101_API
#endif // HAVE_OPENSSL
#ifdef HAVE_LIBGCRYPT
if (!gcry_check_version("1.2.4")) {
throw DL_ABORT_EX("gcry_check_version() failed.");
}
gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
#endif // HAVE_LIBGCRYPT
#ifdef HAVE_LIBGNUTLS
{
int r = gnutls_global_init();
if (r != GNUTLS_E_SUCCESS) {
throw DL_ABORT_EX(
fmt("gnutls_global_init() failed, cause:%s", gnutls_strerror(r)));
}
gnutls_global_set_log_function(gnutls_log_callback);
gnutls_global_set_log_level(0);
}
#endif // HAVE_LIBGNUTLS
#ifdef CARES_HAVE_ARES_LIBRARY_INIT
int aresErrorCode;
if ((aresErrorCode = ares_library_init(ARES_LIB_INIT_ALL)) != 0) {
global::cerr()->printf("ares_library_init() failed:%s\n",
ares_strerror(aresErrorCode));
}
#endif // CARES_HAVE_ARES_LIBRARY_INIT
#ifdef HAVE_LIBSSH2
{
auto rv = libssh2_init(0);
if (rv != 0) {
throw DL_ABORT_EX(fmt("libssh2_init() failed, code: %d", rv));
}
}
#endif // HAVE_LIBSSH2
#ifdef HAVE_WINSOCK2_H
WSADATA wsaData;
memset(reinterpret_cast<char*>(&wsaData), 0, sizeof(wsaData));
if (WSAStartup(MAKEWORD(1, 1), &wsaData)) {
throw DL_ABORT_EX(MSG_WINSOCK_INIT_FAILD);
}
#endif // HAVE_WINSOCK2_H
#ifdef __MINGW32__
(void)_setmode(_fileno(stdin), _O_BINARY);
(void)_setmode(_fileno(stdout), _O_BINARY);
(void)_setmode(_fileno(stderr), _O_BINARY);
#endif // __MINGW32__
return true;
}
bool Platform::tearDown()
{
if (!initialized_) {
return false;
}
initialized_ = false;
SocketCore::setClientTLSContext(nullptr);
SocketCore::setServerTLSContext(nullptr);
#ifdef HAVE_OPENSSL
# if OPENSSL_VERSION_NUMBER >= 0x30000000L
if (default_provider_) {
OSSL_PROVIDER_unload(default_provider_);
}
if (legacy_provider_) {
OSSL_PROVIDER_unload(legacy_provider_);
}
# endif // OPENSSL_VERSION_NUMBER >= 0x30000000L
#endif // HAVE_OPENSSL
#ifdef HAVE_LIBGNUTLS
gnutls_global_deinit();
#endif // HAVE_LIBGNUTLS
#ifdef CARES_HAVE_ARES_LIBRARY_CLEANUP
ares_library_cleanup();
#endif // CARES_HAVE_ARES_LIBRARY_CLEANUP
#ifdef HAVE_LIBSSH2
libssh2_exit();
#endif // HAVE_LIBSSH2
#ifdef HAVE_WINSOCK2_H
WSACleanup();
#endif // HAVE_WINSOCK2_H
// Deletes statically allocated resources. This is done to
// distinguish memory leak from them. This is handy to use
// valgrind.
OptionParser::deleteInstance();
option::deletePrefResource();
return true;
}
bool Platform::isInitialized() { return initialized_; }
} // namespace aria2
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