/* 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); }