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/*
* Copyright (c) 2014 Alexander Golovko <alexandro@onsec.ru>
* 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.
*
* 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.
*/
#ifndef __NSCANG_CLIENT_H
#define __NSCANG_CLIENT_H
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "uthash.h"
typedef struct {
SSL_CTX *ssl_ctx;
BIO *bio;
SSL *ssl;
int state;
char *identity;
char *psk;
int _errno;
char errstr[1024];
UT_hash_handle hh;
} nscang_client_t;
#define NSCANG_STATE_NONE 0
#define NSCANG_STATE_NEW 1
#define NSCANG_STATE_MOIN 2
#define NSCANG_RESP_MOIN 1
#define NSCANG_RESP_OKAY 2
#define NSCANG_ERROR_MALLOC 1
#define NSCANG_ERROR_TIMEOUT 2
#define NSCANG_ERROR_TOO_LONG_RESPONSE 3
#define NSCANG_ERROR_BAD_PROTO_VERSION 4
#define NSCANG_ERROR_PROTOCOL_MISMATCH 5
#define NSCANG_ERROR_UNKNOWN_RESPONSE 6
#define NSCANG_ERROR_BAIL 7
#define NSCANG_ERROR_FAIL 8
#define NSCANG_ERROR_BAD_STATE 9
#define NSCANG_ERROR_LOCKING 10
#define NSCANG_ERROR_SSL_CTX_CREATE 101
#define NSCANG_ERROR_SSL_CIPHERS 102
#define NSCANG_ERROR_SSL_BIO_CREATE 103
#define NSCANG_ERROR_SSL_CREATE 104
#define NSCANG_ERROR_SSL 105
int nscang_client_init(nscang_client_t *c, char *host, int port,
char *ciphers, char *identity, char *psk);
void nscang_client_free(nscang_client_t *c);
void nscang_client_disconnect(nscang_client_t *c);
int nscang_client_send_moin(nscang_client_t *c, int timeout);
int nscang_client_send_push(nscang_client_t *c, char *host, char *service,
int status, char *message, int timeout);
int nscang_client_send_quit(nscang_client_t *c);
char *nscang_client_errstr(nscang_client_t *c, char *buf, int buf_size);
#endif /* __NSCANG_CLIENT_H */
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