129 lines
2.9 KiB
C
129 lines
2.9 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 "capwap.h"
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#include "capwap_80211.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "wtpinfo.h"
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#include "cw_util.h"
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#include "cw_log.h"
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struct eparm {
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int *mand;
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struct wtpinfo *wtpinfo;
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};
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static int process_elem(void *eparm,int type,uint8_t* msgelem,int len)
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{
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struct eparm *e = (struct eparm *) eparm;
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struct wtpinfo * wtpinfo = e->wtpinfo;
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cw_dbg_msgelem(CWMSG_JOIN_REQUEST, type, msgelem, len);
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/* mandatory elements */
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if (wtpinfo_readelem_location_data(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_wtp_board_data(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_wtp_descriptor(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_wtp_name(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_session_id(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_wtp_frame_tunnel_mode(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_wtp_mac_type(wtpinfo,type,msgelem,len))
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goto foundX;
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if (wtpinfo_readelem_ecn_support(wtpinfo,type,msgelem,len))
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goto foundX;
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if (cw_readelem_capwap_local_ip_addr((struct sockaddr*)&wtpinfo->local_ip,type,msgelem,len)){
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cw_mand_elem_found(e->mand, XCWMSGELEM_CAPWAP_LOCAL_IP_ADDRESS);
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return 1;
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}
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/* understood capwap bindings */
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if (wtpinfo_readelem_wtp_radio_info(wtpinfo,type,msgelem,len)){
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cw_mand_elem_found(e->mand, XCWMSGELEM_CAPWAP_RADIO_INFO);
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return 1;
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}
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/* non-mandatory messages */
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uint16_t ml;
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if (cw_readelem_maximum_message_length(&ml,type,msgelem,len)){
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return 1;
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}
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if (cw_readelem_wtp_reboot_statistics(&e->wtpinfo->reboot_statistics,type,msgelem,len))
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goto foundX;
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return 0;
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foundX:
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cw_mand_elem_found(e->mand, type);
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return 1;
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}
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void process_join_request(struct wtpinfo * wtpinfo, uint8_t * msg, int len)
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{
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int mand[] = {
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CWMSGELEM_LOCATION_DATA,
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CWMSGELEM_WTP_BOARD_DATA,
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CWMSGELEM_WTP_DESCRIPTOR,
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CW_ELEM_WTP_NAME,
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CWMSGELEM_WTP_FRAME_TUNNEL_MODE,
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CW_ELEM_WTP_MAC_TYPE,
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CWMSGELEM_ECN_SUPPORT,
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XCWMSGELEM_CAPWAP_LOCAL_IP_ADDRESS,
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XCWMSGELEM_CAPWAP_RADIO_INFO,
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-1
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};
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struct eparm eparm;
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eparm.wtpinfo = wtpinfo;
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eparm.mand = mand;
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cw_foreach_msgelem(msg, len, process_elem,
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&eparm);
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cw_dbg_missing_mand_elems_(0, CWMSG_JOIN_REQUEST, eparm.mand);
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}
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