44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cw/capwap.h"
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#include "cw/msget.h"
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#include "cw/dbg.h"
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int capwap_in_mtu_discovery_padding(struct cw_ElemHandler *eh,
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struct cw_ElemHandlerParams *params, uint8_t * data,
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int len)
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{
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int i, n;
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n = 0;
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for (i = 0; i < len; i++) {
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if (data[i] != 0xff)
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n++;
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}
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if (n){
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cw_dbg(DBG_RFC,
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"MTU discovery padding msg elem contains %d non-0xFF byte(s) out of %d, See RFC 5415.",
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n, len);
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if (params->conn->strict_capwap)
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return CAPWAP_RESULT_UNRECOGNIZED_MESSAGE_ELEMENT;
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}
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return CAPWAP_RESULT_SUCCESS;
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}
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