actube/src/cw/cw_in_mtu_discovery_padding.c

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/*
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/>.
*/
#include "cw.h"
#include "dbg.h"
int cw_in_mtu_discovery_padding(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len,struct sockaddr *from)
{
int i, n = 0;
for (i = 0; i < len; i++) {
if (data[i] != 0xff)
n++;
}
if (n){
cw_dbg(DBG_RFC,
"MTU discovery padding msg elem contains %d non-0xFF byte(s) out of %d, See RFC 5415.",
n, len);
if (conn->strict_capwap)
return 0;
}
return 1;
}