/*
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 "mbag.h"
#include
#include
#include "dtls_openssl.h"
#include "dtls.h"
#include "mbag.h"
#include "conn.h"
#include "log.h"
#include "dbg.h"
BIO_METHOD *dtls_openssl_bio_method()
{
static BIO_METHOD bio_methods;
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 conn *conn = b->ptr;
return dtls_bio_write(conn, data, len);
}
int dtls_openssl_bio_read(BIO * b, char *out, int maxlen)
{
struct conn *conn = b->ptr;
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;
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 conn *conn = b->ptr;
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;
}