2014-08-26 00:11:20 +02:00
|
|
|
/*
|
|
|
|
This file is part of libcapwap.
|
|
|
|
|
|
|
|
libcapwap 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/>.
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
2016-03-10 07:48:59 +01:00
|
|
|
#include "cw.h"
|
|
|
|
#include "dbg.h"
|
2014-08-26 00:11:20 +02:00
|
|
|
|
|
|
|
|
2016-03-10 07:48:59 +01:00
|
|
|
int cw_in_mtu_discovery_padding(struct conn *conn, struct cw_action_in *a,
|
|
|
|
uint8_t * data, int len,struct sockaddr *from)
|
|
|
|
|
|
|
|
{
|
2014-08-26 00:11:20 +02:00
|
|
|
int i, n = 0;
|
|
|
|
for (i = 0; i < len; i++) {
|
2016-03-10 07:48:59 +01:00
|
|
|
if (data[i] != 0xff)
|
2014-08-26 00:11:20 +02:00
|
|
|
n++;
|
|
|
|
}
|
2016-03-10 07:48:59 +01:00
|
|
|
if (n){
|
|
|
|
cw_dbg(DBG_RFC,
|
|
|
|
"MTU discovery padding msg elem contains %d non-0xFF byte(s) out of %d, See RFC 5415.",
|
2014-08-26 00:11:20 +02:00
|
|
|
n, len);
|
2016-03-10 07:48:59 +01:00
|
|
|
if (conn->strict_capwap)
|
|
|
|
return 0;
|
|
|
|
}
|
2014-08-26 00:11:20 +02:00
|
|
|
return 1;
|
|
|
|
}
|