/*
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 .
*/
#include "capwap.h"
#include "capwap_ieee80211.h"
#include
#include
#include
#include "wtpinfo.h"
#include "cw_util.h"
#include "cw_log.h"
struct eparm {
int *mand;
struct wtpinfo *wtpinfo;
};
static int process_elem(void *eparm,int type,uint8_t* msgelem,int len)
{
struct eparm *e = (struct eparm *) eparm;
struct wtpinfo * wtpinfo = e->wtpinfo;
cw_dbg_msgelem(CWMSG_JOIN_REQUEST, type, msgelem, len);
/* mandatory elements */
if (wtpinfo_readelem_location_data(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_wtp_board_data(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_wtp_descriptor(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_wtp_name(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_session_id(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_wtp_frame_tunnel_mode(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_wtp_mac_type(wtpinfo,type,msgelem,len))
goto foundX;
if (wtpinfo_readelem_ecn_support(wtpinfo,type,msgelem,len))
goto foundX;
if (cw_readelem_capwap_local_ip_addr(&wtpinfo->local_ip,type,msgelem,len)){
cw_mand_elem_found(e->mand, XCWMSGELEM_CAPWAP_LOCAL_IP_ADDRESS);
return 1;
}
/* understood capwap bindings */
if (wtpinfo_readelem_wtp_radio_info(wtpinfo,type,msgelem,len)){
cw_mand_elem_found(e->mand, XCWMSGELEM_CAPWAP_RADIO_INFO);
return 1;
}
/* non-mandatory messages */
uint16_t ml;
if (cw_readelem_maximum_message_length(&ml,type,msgelem,len)){
return 1;
}
if (cw_readelem_wtp_reboot_statistics(&e->wtpinfo->reboot_statistics,type,msgelem,len))
goto foundX;
return 0;
foundX:
cw_mand_elem_found(e->mand, type);
return 1;
}
void process_join_request(struct wtpinfo * wtpinfo, uint8_t * msg, int len)
{
int mand[] = {
CWMSGELEM_LOCATION_DATA,
CWMSGELEM_WTP_BOARD_DATA,
CWMSGELEM_WTP_DESCRIPTOR,
CWMSGELEM_WTP_NAME,
CWMSGELEM_WTP_FRAME_TUNNEL_MODE,
CWMSGELEM_WTP_MAC_TYPE,
CWMSGELEM_ECN_SUPPORT,
XCWMSGELEM_CAPWAP_LOCAL_IP_ADDRESS,
XCWMSGELEM_CAPWAP_RADIO_INFO,
-1
};
struct eparm eparm;
eparm.wtpinfo = wtpinfo;
eparm.mand = mand;
cw_foreach_msgelem(msg, len, process_elem,
&eparm);
cw_dbg_missing_mand_elems_(0, CWMSG_DISCOVERY_REQUEST, eparm.mand);
}