* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
- * message authentication based on the methodes used by SRTP. It is
+ * message authentication based on the methods used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
- *
*
- * Copyright (C) 2007-2008 Christian Pointner <equinox@anytun.org>
+ *
+ * Copyright (C) 2007-2014 Christian Pointner <equinox@anytun.org>
*
* This file is part of uAnytun.
*
*
* You should have received a copy of the GNU General Public License
* along with uAnytun. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL. If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so. If you
+ * do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source
+ * files in the program, then also delete it here.
*/
#include "datatypes.h"
free(to_free);
}
+
+ win->first_ = NULL;
}
-seq_win_element_t* seq_win_new_element(sender_id_t sender_id, seq_nr_t max, window_size_t size)
+static seq_win_element_t* seq_win_new_element(sender_id_t sender_id, seq_nr_t max, window_size_t size)
{
if(!size)
return NULL;
e->sender_id_ = sender_id;
e->max_ = max;
e->pos_ = 0;
- e->window_ = malloc(sizeof(seq_nr_t)*size);
+ e->window_ = malloc(sizeof((*e->window_))*size);
if(!e->window_) {
free(e);
return NULL;
ptr->max_ -= SEQ_NR_MAX/2;
else if(shifted == 2)
ptr->max_ += SEQ_NR_MAX/2;
-
+
return 0;
}
-
+
seq_nr_t diff = ptr->max_ - seq_nr;
- window_size_t pos = diff > ptr->pos_ ? ptr->pos_ + win->size_ : ptr->pos_;
+ window_size_t pos = diff > ptr->pos_ ? ptr->pos_ + win->size_ : ptr->pos_;
pos -= diff;
if(shifted == 1)
return ret;
}
ptr = ptr->next_;
- }
+ }
if(!win->first_) {
win->first_ = seq_win_new_element(sender_id, seq_nr, win->size_);
if(!win->first_)
if(!ptr->next_)
return -2;
}
-
+
return 0;
}
printf("O");
else
printf(".");
-
+
if(i)
i--;
else