actube/src/capwap/cwread_discovery_request.c

101 lines
2.4 KiB
C

/*
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 <stdlib.h>
#include <string.h>
#include "capwap.h"
#include "capwap_80211.h"
#include "cw_log.h"
#include "cw_util.h"
struct eparm {
int *mand;
struct wtpinfo *wtpinfo;
};
static int wtpinfo_readelem_discovery_req(void *eparm, int type,
uint8_t * msgelem, int len)
{
struct eparm *e = (struct eparm *) eparm;
cw_dbg_msgelem(CW_MSG_DISCOVERY_REQUEST, type, msgelem, len);
/* mandatory message elements */
if (wtpinfo_readelem_discovery_type
(e->wtpinfo, type, msgelem, len))
goto foundX;
if (wtpinfo_readelem_wtp_board_data
(e->wtpinfo, type, msgelem, len))
goto foundX;
if (wtpinfo_readelem_wtp_descriptor
(e->wtpinfo, type, msgelem, len))
goto foundX;
if (wtpinfo_readelem_wtp_frame_tunnel_mode
(e->wtpinfo, type, msgelem, len))
goto foundX;
if (wtpinfo_readelem_wtp_mac_type(e->wtpinfo, type, msgelem, len))
goto foundX;
if (wtpinfo_readelem_wtp_radio_info
(e->wtpinfo, type, msgelem, len))
goto foundX;
/* non-mandatory mesage lements */
if (cw_readelem_mtu_discovery_padding(type, msgelem, len))
return 1;
if (cw_readelem_vendor_specific_payload
(e->wtpinfo, CW_MSG_DISCOVERY_REQUEST, type, msgelem, len))
return 1;
return 0;
foundX:
cw_mand_elem_found(e->mand, type);
return 1;
}
void cwread_discovery_request(struct wtpinfo *wtpinfo, uint8_t * msg,
int len)
{
int mand[] = {
CW_ELEM_DISCOVERY_TYPE,
CW_ELEM_WTP_BOARD_DATA,
CW_ELEM_WTP_DESCRIPTOR,
CW_ELEM_WTP_FRAME_TUNNEL_MODE,
CW_ELEM_WTP_MAC_TYPE,
CWMSGELEM_80211_WTP_RADIO_INFO,
-1
};
struct eparm eparm;
eparm.wtpinfo = wtpinfo;
eparm.mand = mand;
cw_foreach_msgelem(msg, len, wtpinfo_readelem_discovery_req,
&eparm);
cw_dbg_missing_mand_elems_(0, CW_MSG_DISCOVERY_REQUEST, eparm.mand);
}