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libssh/libssh/init.c
2009-12-11 21:11:23 +01:00

84 строки
2.0 KiB
C

/*
* init.c - initialization and finalization of the library
*
* This file is part of the SSH Library
*
* Copyright (c) 2003-2009 by Aris Adamantiadis
*
* The SSH Library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* The SSH Library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "config.h"
#include "libssh/priv.h"
#include "libssh/socket.h"
#include "libssh/dh.h"
#include "libssh/poll.h"
#ifdef _WIN32
#include <winsock2.h>
#endif
/**
* \addtogroup ssh_session
* @{
*/
/**
* @brief initialize global cryptographic data structures.
*
* This function should only be called once, at the beginning of the program, in
* the main thread. It may be omitted if your program is not multithreaded.
*
* @returns 0
*/
int ssh_init(void) {
if(ssh_crypto_init())
return -1;
if(ssh_socket_init())
return -1;
if(ssh_regex_init())
return -1;
return 0;
}
/**
* @brief Finalize and cleanup all libssh and cryptographic data structures.
*
* This function should only be called once, at the end of the program!
*
* @returns -1 in case of error
@returns 0 otherwise
*/
int ssh_finalize(void) {
ssh_free_global_poll_ctx();
ssh_regex_finalize();
ssh_crypto_finalize();
#ifdef HAVE_LIBGCRYPT
gcry_control(GCRYCTL_TERM_SECMEM);
#elif defined HAVE_LIBCRYPTO
EVP_cleanup();
#endif
#ifdef _WIN32
WSACleanup();
#endif
return 0;
}
/**
* @}
*/
/* vim: set ts=2 sw=2 et cindent: */