/*
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 .
*/
/**
* @file
* @brief Functions for OpenSSL BIO
*/
#include
#include
#include "dtls_openssl.h"
#include "dtls_common.h"
#include
#include "conn.h"
#include "log.h"
#include "dbg.h"
BIO_METHOD *dtls_openssl_bio_method()
{
int index = BIO_get_new_index() ;
/* index = BIO_TYPE_DGRAM;*/
cw_dbg(DBG_DTLS_BIO, "Creating new OpenSSL BIO Methods");
BIO_METHOD * bio_methods;
bio_methods = BIO_meth_new(index,"CW Packet");
if (!bio_methods){
return NULL;
}
BIO_meth_set_write(bio_methods,dtls_openssl_bio_write);
BIO_meth_set_read(bio_methods,dtls_openssl_bio_read);
BIO_meth_set_puts(bio_methods,dtls_openssl_bio_puts);
BIO_meth_set_ctrl(bio_methods,dtls_openssl_bio_ctrl);
BIO_meth_set_create(bio_methods,dtls_openssl_bio_new);
BIO_meth_set_destroy(bio_methods,dtls_openssl_bio_free);
/* bio_methods = BIO_mth_new(BIO_TYPE_DGRAM,"CW Packet");*/
/* bio_methods.type = BIO_TYPE_DGRAM;
bio_methods.name = "CW packet";
bio_methods.bwrite = dtls_openssl_bio_write;
bio_methods.bread = dtls_openssl_bio_read;
bio_methods.bputs = dtls_openssl_bio_puts;
bio_methods.bgets = 0;
bio_methods.ctrl = dtls_openssl_bio_ctrl;
bio_methods.create = dtls_openssl_bio_new;
bio_methods.destroy = dtls_openssl_bio_free;
bio_methods.callback_ctrl = 0;
*/
return bio_methods;
}
int dtls_openssl_bio_write(BIO * b, const char *data, int len)
{
/* struct cw_Conn *conn = b->ptr;*/
struct cw_Conn *conn = BIO_get_data(b);
return dtls_bio_write(conn, data, len);
}
int dtls_openssl_bio_read(BIO * b, char *out, int maxlen)
{
/*struct cw_Conn *conn = b->ptr;*/
struct cw_Conn *conn = BIO_get_data(b);
return dtls_bio_read(conn, out, maxlen);
}
int dtls_openssl_bio_new(BIO * bi)
{
/*
bi->init = 1;
bi->num = 0;
bi->flags = 0;
bi->ptr = NULL;
*/
BIO_set_init(bi,1);
cw_dbg(DBG_DTLS_BIO, "Creating new OpenSSL BIO");
return 1;
}
int dtls_openssl_bio_puts(BIO * b, const char *str)
{
cw_dbg(DBG_DTLS_BIO, "SSL BIO puts: '%s'", str);
return dtls_openssl_bio_write(b, str, strlen(str));
}
int dtls_openssl_bio_free(BIO * bio)
{
if (bio == NULL)
return 0;
return 1;
}
long dtls_openssl_bio_ctrl(BIO * b, int cmd, long num, void *ptr)
{
/*struct cw_Conn *conn = b->ptr;*/
struct cw_Conn *conn = BIO_get_data(b);
long ret = 1;
switch (cmd) {
case BIO_CTRL_DUP:
ret = 1;
break;
case BIO_CTRL_FLUSH:
ret = 1;
break;
case BIO_CTRL_DGRAM_QUERY_MTU:
case BIO_CTRL_DGRAM_GET_MTU:
ret = conn->dtls_mtu;
break;
case BIO_CTRL_DGRAM_SET_MTU:
ret = 1;
break;
default:
ret = 0;
break;
}
return ret;
}