actube/src/cw/dtls_openssl.h

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/*
This file is part of actube.
actube 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 3 of the License, or
(at your option) any later version.
libcapwap 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file
*/
#ifndef __DTLS_OPENSSL_H
#define __DTLS_OPENSSL_H
#include <stdint.h>
#include <openssl/ssl.h>
#include "conn.h"
/**
* @defgroup DTLSOPENSSL DTLS OpenSSL
* @{
*/
struct dtls_openssl_data{
SSL_CTX * ctx;
SSL * ssl;
BIO * bio;
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BIO_METHOD * biomethod;
uint8_t buffer[4096];
int len;
int pos;
};
extern int dtls_openssl_init();
#define CAPWAP_CIPHER "ALL"
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struct dtls_openssl_data * dtls_openssl_data_create(struct cw_Conn * conn, const SSL_METHOD * method, BIO_METHOD * bio);
extern int dtls_openssl_psk_key2bn(const char *psk_key, unsigned char *psk, unsigned int max_psk_len);
extern int dtls_openssl_generate_cookie(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len);
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extern int dtls_openssl_verify_cookie(SSL *ssl, const unsigned char *cookie, unsigned int cookie_len);
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extern int dtls_openssl_read(struct cw_Conn * conn, uint8_t *buffer, int len);
extern int dtls_openssl_write(struct cw_Conn * conn, const uint8_t *buffer, int len);
extern int dtls_openssl_connect(struct cw_Conn * conn);
extern const char * dtls_openssl_get_cipher(struct cw_Conn * conn, char *dst);
extern int dtls_openssl_log_error(SSL * ssl, int rc, const char *txt);
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extern int dtls_openssl_accept(struct cw_Conn * conn);
extern int dtls_openssl_set_certs(struct cw_Conn * conn, struct dtls_openssl_data *d);
extern int dtls_openssl_bio_puts(BIO *bp, const char *str);
extern int dtls_openssl_bio_read(BIO *b, char *out, int maxlen);
extern int dtls_openssl_bio_write(BIO *b, const char *data, int len);
extern long dtls_openssl_bio_ctrl(BIO *b, int cmd, long num, void *ptr);
extern int dtls_openssl_bio_new(BIO *bi);
extern int dtls_openssl_bio_free(BIO *bio);
extern const char * dtls_openssl_get_currnet_cipher();
extern int dtls_openssl_log_error_queue(const char *txt);
extern BIO_METHOD * dtls_openssl_bio_method();
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extern int dtls_openssl_shutdown(struct cw_Conn *conn);
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extern void dtls_openssl_data_destroy(struct dtls_openssl_data * d);
/**
* @}
*/
#endif