forked from osmocom/wireshark
![Anders Broman](/assets/img/avatar_default.png)
CAPWAP dissector tries to allocate -1 bytes of memory during reassembly. - changed to return offset. svn path=/trunk/; revision=39779
2235 lines
103 KiB
C
2235 lines
103 KiB
C
/* packet-capwap.c
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* Routines for CAPWAP dissection (RFC 5415 / RFC5416)
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* Copyright 2009, Alexis La Goutte <alexis.lagoutte at gmail dot com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/reassemble.h>
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#include <epan/sminmpec.h>
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#define UDP_PORT_CAPWAP_CONTROL 5246
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#define UDP_PORT_CAPWAP_DATA 5247
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static guint global_capwap_control_udp_port = UDP_PORT_CAPWAP_CONTROL;
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static guint global_capwap_data_udp_port = UDP_PORT_CAPWAP_DATA;
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static gboolean global_capwap_draft_8_cisco = FALSE;
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static gboolean global_capwap_reassemble = TRUE;
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static gboolean global_capwap_swap_frame_control = TRUE;
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static GHashTable *capwap_fragment_table = NULL;
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static GHashTable *capwap_reassembled_table = NULL;
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/* TODO LIST !
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* add decryption of DLTS Message
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* add support of all Messages Element Type
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*/
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/* Forward declaration we need below */
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void proto_reg_handoff_capwap(void);
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/* Initialize the protocol and registered fields */
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static int proto_capwap = -1;
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static int hf_capwap_preamble = -1;
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static int hf_capwap_preamble_version = -1;
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static int hf_capwap_preamble_type = -1;
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static int hf_capwap_preamble_reserved = -1;
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static int hf_capwap_header = -1;
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static int hf_capwap_header_hlen = -1;
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static int hf_capwap_header_rid = -1;
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static int hf_capwap_header_wbid = -1;
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static int hf_capwap_header_flags = -1;
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static int hf_capwap_header_flags_t = -1;
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static int hf_capwap_header_flags_f = -1;
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static int hf_capwap_header_flags_l = -1;
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static int hf_capwap_header_flags_w = -1;
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static int hf_capwap_header_flags_m = -1;
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static int hf_capwap_header_flags_k = -1;
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static int hf_capwap_header_flags_r = -1;
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static int hf_capwap_header_fragment_id = -1;
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static int hf_capwap_header_fragment_offset = -1;
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static int hf_capwap_header_reserved = -1;
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static int hf_capwap_header_mac_length = -1;
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static int hf_capwap_header_mac_eui48 = -1;
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static int hf_capwap_header_mac_eui64 = -1;
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static int hf_capwap_header_mac_data = -1;
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static int hf_capwap_header_wireless_length = -1;
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static int hf_capwap_header_wireless_data = -1;
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static int hf_capwap_header_wireless_data_ieee80211_fi = -1;
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static int hf_capwap_header_wireless_data_ieee80211_fi_rssi = -1;
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static int hf_capwap_header_wireless_data_ieee80211_fi_snr = -1;
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static int hf_capwap_header_wireless_data_ieee80211_fi_data_rate = -1;
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static int hf_capwap_header_wireless_data_ieee80211_dest_wlan = -1;
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static int hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap = -1;
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static int hf_capwap_header_wireless_data_ieee80211_dw_reserved = -1;
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static int hf_capwap_header_padding = -1;
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static int hf_capwap_control_header = -1;
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static int hf_capwap_control_header_msg_type = -1;
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static int hf_capwap_control_header_msg_type_enterprise_nbr = -1;
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static int hf_capwap_control_header_msg_type_enterprise_specific = -1;
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static int hf_capwap_control_header_seq_number = -1;
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static int hf_capwap_control_header_flags = -1;
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static int hf_capwap_control_header_msg_element_length = -1;
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static int hf_capwap_message_element = -1;
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static int hf_capwap_msg_element_type = -1;
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static int hf_capwap_msg_element_length = -1;
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static int hf_capwap_msg_element_value = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_stations = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_limit = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_active_wtp = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_max_wtp = -1;
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/* AC Descriptor Security Flags... */
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static int hf_capwap_msg_element_type_ac_descriptor_security = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_security_s = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_security_x = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_security_r = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_rmac_field = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_reserved = -1;
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/* AC Descriptor DTLS Policy Flags... */
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static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c = -1;
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static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r = -1;
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static int hf_capwap_msg_element_type_ac_information_vendor = -1;
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static int hf_capwap_msg_element_type_ac_information_type = -1;
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static int hf_capwap_msg_element_type_ac_information_length = -1;
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static int hf_capwap_msg_element_type_ac_information_value = -1;
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static int hf_capwap_msg_element_type_ac_information_hardware_version = -1;
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static int hf_capwap_msg_element_type_ac_information_software_version = -1;
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static int hf_capwap_msg_element_type_ac_name = -1;
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static int hf_capwap_msg_element_type_ac_name_with_priority = -1;
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static int hf_capwap_msg_element_type_ac_ipv4_list = -1;
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static int hf_capwap_msg_element_type_ac_ipv6_list = -1;
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static int hf_capwap_msg_element_type_capwap_control_ipv4 = -1;
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static int hf_capwap_msg_element_type_capwap_control_ipv6 = -1;
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static int hf_capwap_msg_element_type_capwap_control_wtp_count = -1;
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static int hf_capwap_msg_element_type_capwap_timers_discovery = -1;
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static int hf_capwap_msg_element_type_capwap_timers_echo_request = -1;
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static int hf_capwap_msg_element_type_decryption_error_report_period_radio_id = -1;
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static int hf_capwap_msg_element_type_decryption_error_report_period_interval = -1;
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static int hf_capwap_msg_element_type_discovery_type = -1;
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static int hf_capwap_msg_element_type_location_data = -1;
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static int hf_capwap_msg_element_type_maximum_message_length = -1;
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static int hf_capwap_msg_element_type_idle_timeout = -1;
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static int hf_capwap_msg_element_type_radio_admin_id = -1;
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static int hf_capwap_msg_element_type_radio_admin_state = -1;
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static int hf_capwap_msg_element_type_radio_op_state_radio_id = -1;
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static int hf_capwap_msg_element_type_radio_op_state_radio_state = -1;
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static int hf_capwap_msg_element_type_radio_op_state_radio_cause = -1;
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static int hf_capwap_msg_element_type_result_code = -1;
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static int hf_capwap_msg_element_type_session_id = -1;
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static int hf_capwap_msg_element_type_statistics_timer = -1;
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static int hf_capwap_msg_element_type_vsp_vendor_identifier = -1;
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static int hf_capwap_msg_element_type_vsp_vendor_element_id = -1;
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static int hf_capwap_msg_element_type_vsp_vendor_data = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_vendor = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_type = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_length = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_value = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_wtp_model_number = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_wtp_serial_number = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_wtp_board_id = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_wtp_board_revision = -1;
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static int hf_capwap_msg_element_type_wtp_board_data_base_mac_address = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_max_radios = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_radio_in_use = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_number_encrypt = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_vendor = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_type = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_length = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_value = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_hardware_version = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_active_software_version = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_boot_version = -1;
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static int hf_capwap_msg_element_type_wtp_descriptor_other_software_version = -1;
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static int hf_capwap_msg_element_type_wtp_fallback = -1;
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static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode = -1;
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static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n = -1;
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static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e = -1;
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static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l = -1;
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static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r = -1;
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static int hf_capwap_msg_element_type_wtp_mac_type = -1;
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static int hf_capwap_msg_element_type_wtp_name = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_reboot_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count = -1;
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static int hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type = -1;
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static int hf_capwap_msg_element_type_ieee80211_rate_set_radio_id = -1;
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static int hf_capwap_msg_element_type_ieee80211_rate_set_rate_set = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_mac = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_flags = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc = -1;
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static int hf_capwap_msg_element_type_ieee80211_station_session_key_key = -1;
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static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_id = -1;
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static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_reserved = -1;
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static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_n = -1;
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static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_g = -1;
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static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_a = -1;
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static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_b = -1;
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static int hf_msg_fragments = -1;
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static int hf_msg_fragment = -1;
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static int hf_msg_fragment_overlap = -1;
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static int hf_msg_fragment_overlap_conflicts = -1;
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static int hf_msg_fragment_multiple_tails = -1;
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static int hf_msg_fragment_too_long_fragment = -1;
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static int hf_msg_fragment_error = -1;
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static int hf_msg_fragment_count = -1;
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static int hf_msg_reassembled_in = -1;
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static int hf_msg_reassembled_length = -1;
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static dissector_handle_t dtls_handle;
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static dissector_handle_t ieee8023_handle;
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static dissector_handle_t ieee80211_handle;
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static dissector_handle_t ieee80211_bsfc_handle;
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static dissector_handle_t data_handle;
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/* Initialize the subtree pointers */
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static gint ett_capwap = -1;
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static gint ett_msg_fragment = -1;
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static gint ett_msg_fragments = -1;
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/* ************************************************************************* */
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/* Fragment items */
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/* ************************************************************************* */
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static const fragment_items capwap_frag_items = {
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/* Fragment subtrees */
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&ett_msg_fragment,
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&ett_msg_fragments,
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/* Fragment fields */
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&hf_msg_fragments,
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&hf_msg_fragment,
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&hf_msg_fragment_overlap,
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&hf_msg_fragment_overlap_conflicts,
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&hf_msg_fragment_multiple_tails,
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&hf_msg_fragment_too_long_fragment,
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&hf_msg_fragment_error,
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&hf_msg_fragment_count,
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/* Reassembled in field */
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&hf_msg_reassembled_in,
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/* Reassembled length field */
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&hf_msg_reassembled_length,
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/* Tag */
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"Message fragments"
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};
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/* ************************************************************************* */
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/* Header Type */
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/* ************************************************************************* */
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static const value_string type_header_vals[] = {
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{ 0, "CAPWAP Header" },
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{ 1, "CAPWAP DTLS Header" },
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{ 0, NULL }
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};
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/* ************************************************************************* */
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/* Wireless Binding IDentifier (WBID) */
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/* ************************************************************************* */
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static const value_string type_wbid[] = {
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{ 0, "Reserved" },
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{ 1, "IEEE 802.11" },
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{ 2, "IEEE 802.16" }, /* From old RFC Draft... */
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{ 3, "EPCGlobal" },
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{ 0, NULL }
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};
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/* ************************************************************************* */
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/* flag Type Transported (payload) */
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/* ************************************************************************* */
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static const true_false_string flag_type_t = {
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"Native frame format (see Wireless Binding ID field)",
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"IEEE 802.3 frame"
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};
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/* ************************************************************************* */
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/* flag Type Fragment */
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/* ************************************************************************* */
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static const true_false_string flag_type_f = {
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"Fragmented",
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"Don't Fragment"
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};
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/* ************************************************************************* */
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/* flag Type Last Fragment */
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/* ************************************************************************* */
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static const true_false_string flag_type_l = {
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"This is the last fragment",
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"More fragments follow"
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};
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/* ************************************************************************* */
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/* flag Type Wireless */
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/* ************************************************************************* */
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static const true_false_string flag_type_w = {
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"Wireless Specific Information is present",
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"No Wireless Specific Information"
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};
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/* ************************************************************************* */
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/* flag Type Radio Mac */
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/* ************************************************************************* */
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static const true_false_string flag_type_m = {
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"Radio MAC Address is present",
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"No Radio MAC Address"
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};
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/* ************************************************************************* */
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/* flag Type Keep Alive */
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/* ************************************************************************* */
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static const true_false_string flag_type_k = {
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"Keep-Alive Packet",
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"No Keep-Alive"
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};
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/* ************************************************************************* */
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/* Message Type Value */
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/* ************************************************************************* */
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static const value_string message_type[] = {
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{ 1, "Discovery Request" },
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{ 2, "Discovery Response" },
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{ 3, "Join Request" },
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{ 4, "Join Response" },
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{ 5, "Configuration Status Request" },
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{ 6, "Configuration Status Response" },
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{ 7, "Configuration Update Request" },
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{ 8, "Configuration Update Response" },
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{ 9, "WTP Event Request" },
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{ 10, "WTP Event Response" },
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{ 11, "Change State Request" },
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{ 12, "Change State Response" },
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{ 13, "Echo Request" },
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{ 14, "Echo Response" },
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{ 15, "Image Data Request" },
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{ 16, "Image Data Response" },
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{ 17, "Reset Request" },
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{ 18, "Reset Response" },
|
|
{ 19, "Primary Discovery Request" },
|
|
{ 20, "Primary Discovery Response" },
|
|
{ 21, "Data Transfer Request" },
|
|
{ 22, "Data Transfer Response" },
|
|
{ 23, "Clear Configuration Request" },
|
|
{ 24, "Clear Configuration Response" },
|
|
{ 25, "Station Configuration Request" },
|
|
{ 26, "Station Configuration Response" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Message Element Type */
|
|
/* ************************************************************************* */
|
|
#define TYPE_AC_DESCRIPTOR 1
|
|
#define TYPE_AC_IPV4_LIST 2
|
|
#define TYPE_AC_IPV6_LIST 3
|
|
#define TYPE_AC_NAME 4
|
|
#define TYPE_AC_NAME_W_PRIORITY 5
|
|
#define TYPE_AC_TIMESTAMP 6
|
|
#define TYPE_ADD_MAC_ACL_ENTRY 7
|
|
#define TYPE_ADD_STATION 8
|
|
#define TYPE_RESERVED_9 9
|
|
#define TYPE_CAPWAP_CONTROL_IPV4_ADDRESS 10
|
|
#define TYPE_CAPWAP_CONTROL_IPV6_ADDRESS 11
|
|
#define TYPE_CAPWAP_TIMERS 12
|
|
#define TYPE_DATA_TRANSFER_DATA 13
|
|
#define TYPE_DATA_TRANSFER_MODE 14
|
|
#define TYPE_DESCRYPTION_ERROR_REPORT 15
|
|
#define TYPE_DECRYPTION_ERROR_REPORT_PERIOD 16
|
|
#define TYPE_DELETE_MAC_ENTRY 17
|
|
#define TYPE_DELETE_STATION 18
|
|
#define TYPE_RESERVED_19 19
|
|
#define TYPE_DISCOVERY_TYPE 20
|
|
#define TYPE_DUPLICATE_IPV4_ADDRESS 21
|
|
#define TYPE_DUPLICATE_IPV6_ADDRESS 22
|
|
#define TYPE_IDLE_TIMEOUT 23
|
|
#define TYPE_IMAGE_DATA 24
|
|
#define TYPE_IMAGE_IDENTIFIER 25
|
|
#define TYPE_IMAGE_INFORMATION 26
|
|
#define TYPE_INITIATE_DOWNLOAD 27
|
|
#define TYPE_LOCATION_DATA 28
|
|
#define TYPE_MAXIMUM_MESSAGE_LENGTH 29
|
|
#define TYPE_CAPWAP_LOCAL_IPV4_ADDRESS 30
|
|
#define TYPE_RADIO_ADMINISTRATIVE_STATE 31
|
|
#define TYPE_RADIO_OPERATIONAL_STATE 32
|
|
#define TYPE_RESULT_CODE 33
|
|
#define TYPE_RETURNED_MESSAGE_ELEMENT 34
|
|
#define TYPE_SESSION_ID 35
|
|
#define TYPE_STATISTICS_TIMER 36
|
|
#define TYPE_VENDOR_SPECIFIC_PAYLOAD 37
|
|
#define TYPE_WTP_BOARD_DATA 38
|
|
#define TYPE_WTP_DESCRIPTOR 39
|
|
#define TYPE_WTP_FALLBACK 40
|
|
#define TYPE_WTP_FRAME_TUNNEL_MODE 41
|
|
#define TYPE_RESERVED_42 42
|
|
#define TYPE_RESERVED_43 43
|
|
#define TYPE_WTP_MAC_TYPE 44
|
|
#define TYPE_WTP_NAME 45
|
|
#define TYPE_RESERVED_46 46
|
|
#define TYPE_WTP_RADIO_STATISTICS 47
|
|
#define TYPE_WTP_REBOOT_STATISTICS 48
|
|
#define TYPE_WTP_STATIC_IP_ADDRESS_INFORMATION 49
|
|
#define TYPE_CAPWAP_LOCAL_IPV6_ADDRESS 50
|
|
#define TYPE_CAPWAP_TRANSPORT_PROTOCOL 51
|
|
#define TYPE_MTU_DISCOVERY_PADDING 52
|
|
#define TYPE_ECN_SUPPORT 53
|
|
|
|
#define IEEE80211_ADD_WLAN 1024
|
|
#define IEEE80211_ANTENNA 1025
|
|
#define IEEE80211_ASSIGNED_WTP_BSSID 1026
|
|
#define IEEE80211_DELETE_WLAN 1027
|
|
#define IEEE80211_DIRECT_SEQUENCE_CONTROL 1028
|
|
#define IEEE80211_INFORMATION_ELEMENT 1029
|
|
#define IEEE80211_MAC_OPERATION 1030
|
|
#define IEEE80211_MIC_COUNTERMEASURES 1031
|
|
#define IEEE80211_MULTI_DOMAIN_CAPABILITY 1032
|
|
#define IEEE80211_OFDM_CONTROL 1033
|
|
#define IEEE80211_RATE_SET 1034
|
|
#define IEEE80211_RSNA_ERROR_REPORT_FROM_STATION 1035
|
|
#define IEEE80211_STATION 1036
|
|
#define IEEE80211_STATION_QOS_PROFILE 1037
|
|
#define IEEE80211_STATION_SESSION_KEY 1038
|
|
#define IEEE80211_STATISTICS 1039
|
|
#define IEEE80211_SUPPORTED_RATES 1040
|
|
#define IEEE80211_TX_POWER 1041
|
|
#define IEEE80211_TX_POWER_LEVEl 1042
|
|
#define IEEE80211_UPDATE_STATION_QOS 1043
|
|
#define IEEE80211_UPDATE_WLAN 1044
|
|
#define IEEE80211_WTP_QUALITY_OF_SERVICE 1045
|
|
#define IEEE80211_WTP_RADIO_CONFIGURATION 1046
|
|
#define IEEE80211_WTP_RADIO_FAIL_ALARM_INDICATION 1047
|
|
#define IEEE80211_WTP_RADIO_INFORMATION 1048
|
|
|
|
/* ************************************************************************* */
|
|
/* Message Element Type Value */
|
|
/* ************************************************************************* */
|
|
static const value_string message_element_type_vals[] = {
|
|
{ TYPE_AC_DESCRIPTOR, "AC Descriptor" },
|
|
{ TYPE_AC_IPV4_LIST, "AC IPv4 List" },
|
|
{ TYPE_AC_IPV6_LIST, "AC IPv6 List" },
|
|
{ TYPE_AC_NAME, "AC Name" },
|
|
{ TYPE_AC_NAME_W_PRIORITY, "AC Name With Priority" },
|
|
{ TYPE_AC_TIMESTAMP, "AC Timestamp" },
|
|
{ TYPE_ADD_MAC_ACL_ENTRY, "Add MAC ACL Entry" },
|
|
{ TYPE_ADD_STATION, "Add Station" },
|
|
{ TYPE_RESERVED_9, "Reserved" },
|
|
{ TYPE_CAPWAP_CONTROL_IPV4_ADDRESS, "CAPWAP Control IPv4 Address" },
|
|
{ TYPE_CAPWAP_CONTROL_IPV6_ADDRESS, "CAPWAP Control IPv6 Address" },
|
|
{ TYPE_CAPWAP_TIMERS, "CAPWAP Timers" },
|
|
{ TYPE_DATA_TRANSFER_DATA, "Data Transfer Data" },
|
|
{ TYPE_DATA_TRANSFER_MODE, "Data Transfer Mode" },
|
|
{ TYPE_DESCRYPTION_ERROR_REPORT, "Decryption Error Report" },
|
|
{ TYPE_DECRYPTION_ERROR_REPORT_PERIOD, "Decryption Error Report Period" },
|
|
{ TYPE_DELETE_MAC_ENTRY, "Delete MAC ACL Entry" },
|
|
{ TYPE_DELETE_STATION, "Delete Station" },
|
|
{ TYPE_RESERVED_19, "Reserved" },
|
|
{ TYPE_DISCOVERY_TYPE, "Discovery Type" },
|
|
{ TYPE_DUPLICATE_IPV4_ADDRESS, "Duplicate IPv4 Address" },
|
|
{ TYPE_DUPLICATE_IPV6_ADDRESS, "Duplicate IPv6 Address" },
|
|
{ TYPE_IDLE_TIMEOUT, "Idle Timeout" },
|
|
{ TYPE_IMAGE_DATA, "Image Data" },
|
|
{ TYPE_IMAGE_IDENTIFIER, "Image Identifier" },
|
|
{ TYPE_IMAGE_INFORMATION, "Image Information" },
|
|
{ TYPE_INITIATE_DOWNLOAD, "Initiate Download" },
|
|
{ TYPE_LOCATION_DATA, "Location Data" },
|
|
{ TYPE_MAXIMUM_MESSAGE_LENGTH, "Maximum Message Length" },
|
|
{ TYPE_CAPWAP_LOCAL_IPV4_ADDRESS, "CAPWAP Local IPv4 Address" },
|
|
{ TYPE_RADIO_ADMINISTRATIVE_STATE, "Radio Administrative State " },
|
|
{ TYPE_RADIO_OPERATIONAL_STATE, "Radio Operational State" },
|
|
{ TYPE_RESULT_CODE, "Result Code" },
|
|
{ TYPE_RETURNED_MESSAGE_ELEMENT, "Returned Message Element" },
|
|
{ TYPE_SESSION_ID, "Session ID" },
|
|
{ TYPE_STATISTICS_TIMER, "Statistics Timer" },
|
|
{ TYPE_VENDOR_SPECIFIC_PAYLOAD, "Vendor Specific Payload" },
|
|
{ TYPE_WTP_BOARD_DATA, "WTP Board Data" },
|
|
{ TYPE_WTP_DESCRIPTOR, "WTP Descriptor" },
|
|
{ TYPE_WTP_FALLBACK, "WTP Fallback " },
|
|
{ TYPE_WTP_FRAME_TUNNEL_MODE, "WTP Frame Tunnel Mode " },
|
|
{ TYPE_RESERVED_42, "Reserved" },
|
|
{ TYPE_RESERVED_43, "Reserved" },
|
|
{ TYPE_WTP_MAC_TYPE, "WTP MAC Type" },
|
|
{ TYPE_WTP_NAME, "WTP Name" },
|
|
{ TYPE_RESERVED_46, "Unused/Reserved" },
|
|
{ TYPE_WTP_RADIO_STATISTICS, "WTP Radio Statistics" },
|
|
{ TYPE_WTP_REBOOT_STATISTICS, "WTP Reboot Statistics" },
|
|
{ TYPE_WTP_STATIC_IP_ADDRESS_INFORMATION, "WTP Static IP Address Information" },
|
|
{ TYPE_CAPWAP_LOCAL_IPV6_ADDRESS, "CAPWAP Local IPv6 Address" },
|
|
{ TYPE_CAPWAP_TRANSPORT_PROTOCOL, "CAPWAP Transport Protocol" },
|
|
{ TYPE_MTU_DISCOVERY_PADDING, "MTU Discovery Padding" },
|
|
{ TYPE_ECN_SUPPORT, "ECN Support" },
|
|
|
|
{ IEEE80211_ADD_WLAN, "IEEE 802.11 Add WLAN" },
|
|
{ IEEE80211_ANTENNA, "IEEE 802.11 Antenna" },
|
|
{ IEEE80211_ASSIGNED_WTP_BSSID, "IEEE 802.11 Assigned WTP BSSID" },
|
|
{ IEEE80211_DELETE_WLAN, "IEEE 802.11 Delete WLAN" },
|
|
{ IEEE80211_DIRECT_SEQUENCE_CONTROL, "IEEE 802.11 Direct Sequence Control" },
|
|
{ IEEE80211_INFORMATION_ELEMENT, "IEEE 802.11 Information Element" },
|
|
{ IEEE80211_MAC_OPERATION, "IEEE 802.11 MAC Operation" },
|
|
{ IEEE80211_MIC_COUNTERMEASURES, "IEEE 802.11 MIC Countermeasures" },
|
|
{ IEEE80211_MULTI_DOMAIN_CAPABILITY, "IEEE 802.11 Multi-Domain Capability" },
|
|
{ IEEE80211_OFDM_CONTROL, "IEEE 802.11 OFDM Control" },
|
|
{ IEEE80211_RATE_SET, "IEEE 802.11 Rate Set" },
|
|
{ IEEE80211_RSNA_ERROR_REPORT_FROM_STATION, "IEEE 802.11 RSNA Error Report From Station" },
|
|
{ IEEE80211_STATION, "IEEE 802.11 Station" },
|
|
{ IEEE80211_STATION_QOS_PROFILE, "IEEE 802.11 Station QoS Profile" },
|
|
{ IEEE80211_STATION_SESSION_KEY, "IEEE 802.11 Station Session Key" },
|
|
{ IEEE80211_STATISTICS, "IEEE 802.11 Statistics" },
|
|
{ IEEE80211_SUPPORTED_RATES, "IEEE 802.11 Supported Rates" },
|
|
{ IEEE80211_TX_POWER, "IEEE 802.11 Tx Power" },
|
|
{ IEEE80211_TX_POWER_LEVEl, "IEEE 802.11 Tx Power Level" },
|
|
{ IEEE80211_UPDATE_STATION_QOS, "IEEE 802.11 Update Station QoS" },
|
|
{ IEEE80211_UPDATE_WLAN, "IEEE 802.11 Update WLAN" },
|
|
{ IEEE80211_WTP_QUALITY_OF_SERVICE, "IEEE 802.11 WTP Quality of Service" },
|
|
{ IEEE80211_WTP_RADIO_CONFIGURATION, "IEEE 802.11 WTP Radio Configuration" },
|
|
{ IEEE80211_WTP_RADIO_FAIL_ALARM_INDICATION, "IEEE 802.11 WTP Radio Fail Alarm Indication" },
|
|
{ IEEE80211_WTP_RADIO_INFORMATION, "IEEE 802.11 WTP Radio Information" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Discovery Type */
|
|
/* ************************************************************************* */
|
|
static const value_string discovery_type_vals[] = {
|
|
{ 0, "Unknown" },
|
|
{ 1, "Static Configuration" },
|
|
{ 2, "DHCP" },
|
|
{ 3, "DNS" },
|
|
{ 4, "AC Referral" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Radio Administrative State */
|
|
/* ************************************************************************* */
|
|
static const value_string radio_admin_state_vals[] = {
|
|
{ 1, "Enabled" },
|
|
{ 2, "Disabled" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Radio Operational State */
|
|
/* ************************************************************************* */
|
|
static const value_string radio_op_state_vals[] = {
|
|
{ 0, "Reserved" },
|
|
{ 1, "Enabled" },
|
|
{ 2, "Disabled" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Radio Operational Cause */
|
|
/* ************************************************************************* */
|
|
static const value_string radio_op_cause_vals[] = {
|
|
{ 0, "Normal" },
|
|
{ 1, "Radio Failure" },
|
|
{ 2, "Software Failure" },
|
|
{ 3, "Administratively Set" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Result Code */
|
|
/* ************************************************************************* */
|
|
static const value_string result_code_vals[] = {
|
|
{ 0 , "Success" },
|
|
{ 1 , "Failure (AC List Message Element MUST Be Present)" },
|
|
{ 2 , "Success (NAT Detected)" },
|
|
{ 3 , "Join Failure (Unspecified)" },
|
|
{ 4 , "Join Failure (Resource Depletion)" },
|
|
{ 5 , "Join Failure (Unknown Source)" },
|
|
{ 6 , "Join Failure (Incorrect Data)" },
|
|
{ 7 , "Join Failure (Session ID Already in Use)" },
|
|
{ 8 , "Join Failure (WTP Hardware Not Supported)" },
|
|
{ 9 , "Join Failure (Binding Not Supported)" },
|
|
{ 10, "Reset Failure (Unable to Reset)" },
|
|
{ 11, "Reset Failure (Firmware Write Error)" },
|
|
{ 12, "Configuration Failure (Unable to Apply Requested Configuration - Service Provided Anyhow)" },
|
|
{ 13, "Configuration Failure (Unable to Apply Requested Configuration - Service Not Provided)" },
|
|
{ 14, "Image Data Error (Invalid Checksum)" },
|
|
{ 15, "Image Data Error (Invalid Data Length)" },
|
|
{ 16, "Image Data Error (Other Error)" },
|
|
{ 17, "Image Data Error (Image Already Present)" },
|
|
{ 18, "Message Unexpected (Invalid in Current State)" },
|
|
{ 19, "Message Unexpected (Unrecognized Request)" },
|
|
{ 20, "Failure - Missing Mandatory Message Element" },
|
|
{ 21, "Failure - Unrecognized Message Element" },
|
|
{ 22, "Data Transfer Error (No Information to Transfer)" },
|
|
{ 0 , NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Radio MAC Address Field */
|
|
/* ************************************************************************* */
|
|
static const value_string rmac_field_vals[] = {
|
|
{ 0, "Reserved" },
|
|
{ 1, "Supported" },
|
|
{ 2, "Not Supported" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Board Data Type Value */
|
|
/* ************************************************************************* */
|
|
#define BOARD_DATA_WTP_MODEL_NUMBER 0
|
|
#define BOARD_DATA_WTP_SERIAL_NUMBER 1
|
|
#define BOARD_DATA_BOARD_ID 2
|
|
#define BOARD_DATA_BOARD_REVISION 3
|
|
#define BOARD_DATA_BASE_MAC_ADDRESS 4
|
|
|
|
static const value_string board_data_type_vals[] = {
|
|
{ BOARD_DATA_WTP_MODEL_NUMBER, "WTP Model Number" },
|
|
{ BOARD_DATA_WTP_SERIAL_NUMBER, "WTP Serial Number" },
|
|
{ BOARD_DATA_BOARD_ID, "Board ID" },
|
|
{ BOARD_DATA_BOARD_REVISION, "Board Revision" },
|
|
{ BOARD_DATA_BASE_MAC_ADDRESS, "Base MAC Address" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Descriptor WTP Type Value */
|
|
/* ************************************************************************* */
|
|
#define WTP_DESCRIPTOR_HARDWARE_VERSION 0
|
|
#define WTP_DESCRIPTOR_ACTIVE_SOFTWARE_VERSION 1
|
|
#define WTP_DESCRIPTOR_BOOT_VERSION 2
|
|
#define WTP_DESCRIPTOR_OTHER_SOFTWARE_VERSION 3
|
|
|
|
static const value_string wtp_descriptor_type_vals[] = {
|
|
{ WTP_DESCRIPTOR_HARDWARE_VERSION, "WTP Hardware Version" },
|
|
{ WTP_DESCRIPTOR_ACTIVE_SOFTWARE_VERSION, "WTP Active Software Version" },
|
|
{ WTP_DESCRIPTOR_BOOT_VERSION, "WTP Boot Version" },
|
|
{ WTP_DESCRIPTOR_OTHER_SOFTWARE_VERSION, "WTP Other Software Version" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* AC Information Type Value */
|
|
/* ************************************************************************* */
|
|
#define AC_INFORMATION_HARDWARE_VERSION 4
|
|
#define AC_INFORMATION_SOFTWARE_VERSION 5
|
|
|
|
static const value_string ac_information_type_vals[] = {
|
|
{ AC_INFORMATION_HARDWARE_VERSION, "AC Hardware Version" },
|
|
{ AC_INFORMATION_SOFTWARE_VERSION, "AC Software Version" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* WTP MAC Type */
|
|
/* ************************************************************************* */
|
|
static const value_string wtp_mac_vals[] = {
|
|
{ 0, "Local MAC" },
|
|
{ 1, "Split MAC" },
|
|
{ 2, "Both (Local and Split MAC)" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* WTP Fallback */
|
|
/* ************************************************************************* */
|
|
static const value_string wtp_fallback_vals[] = {
|
|
{ 0, "Reserved" },
|
|
{ 1, "Enabled" },
|
|
{ 2, "Disabled" },
|
|
{ 0, NULL }
|
|
};
|
|
/* ************************************************************************* */
|
|
/* Last Failure Type */
|
|
/* ************************************************************************* */
|
|
static const value_string last_failure_type_vals[] = {
|
|
{ 0, "Not Supported" },
|
|
{ 1, "AC Initiated" },
|
|
{ 2, "Link Failure" },
|
|
{ 3, "Software Failure" },
|
|
{ 4, "Hardware Failure" },
|
|
{ 5, "Other Failure" },
|
|
{ 255, "Unknown (e.g., WTP doesn't keep track of info)" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void capwap_reassemble_init(void)
|
|
{
|
|
fragment_table_init(&capwap_fragment_table);
|
|
reassembled_table_init(&capwap_reassembled_table);
|
|
}
|
|
|
|
static void
|
|
dissect_capwap_data_message_bindings_ieee80211(tvbuff_t *tvb, proto_tree *data_message_binding_tree, guint offset, packet_info *pinfo)
|
|
{
|
|
proto_item *data_message_binding_item;
|
|
proto_tree *sub_data_message_binding_tree;
|
|
|
|
if (global_capwap_data_udp_port == pinfo->destport)
|
|
{
|
|
/* (WTP -> AC) IEEE 802.11 Frame Info */
|
|
data_message_binding_item = proto_tree_add_item(data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi,tvb, offset, 4, ENC_NA);
|
|
sub_data_message_binding_tree = proto_item_add_subtree(data_message_binding_item, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi_rssi,tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi_snr,tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi_data_rate,tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
else
|
|
{
|
|
/* (AC -> WTP) IEEE 802.11 Destination Wlans */
|
|
data_message_binding_item = proto_tree_add_item(data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_dest_wlan,tvb, offset, 4, ENC_NA);
|
|
sub_data_message_binding_tree = proto_item_add_subtree(data_message_binding_item, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap,tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_dw_reserved,tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
}
|
|
|
|
static void
|
|
dissect_capwap_encryption_capabilities(tvbuff_t *tvb, proto_tree *encryption_capabilities_tree, guint offset)
|
|
{
|
|
guint wbid,encryption_capabilities = 0;
|
|
proto_item *encryption_capabilities_item;
|
|
proto_tree *sub_encryption_capabilities_tree;
|
|
|
|
encryption_capabilities = tvb_get_ntohs(tvb, offset+1);
|
|
wbid = tvb_get_bits8(tvb, offset*8+3,5);
|
|
|
|
encryption_capabilities_item = proto_tree_add_text(encryption_capabilities_tree, tvb, offset, 3, "Encryption Capabilities: (WBID=%d) %d", wbid, encryption_capabilities);
|
|
sub_encryption_capabilities_tree = proto_item_add_subtree(encryption_capabilities_item, ett_capwap);
|
|
|
|
proto_tree_add_uint(sub_encryption_capabilities_tree,hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved, tvb, offset, 1, tvb_get_bits8(tvb, offset*8,3));
|
|
|
|
proto_tree_add_uint(sub_encryption_capabilities_tree,hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid, tvb, offset, 1, wbid);
|
|
|
|
proto_tree_add_item(sub_encryption_capabilities_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities, tvb, offset+1, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_ac_information(tvbuff_t *tvb, proto_tree *ac_information_type_tree, guint offset)
|
|
{
|
|
guint optlen,ac_information_type = 0;
|
|
proto_item *ac_information_type_item;
|
|
proto_tree *sub_ac_information_type_tree;
|
|
|
|
ac_information_type = tvb_get_ntohs(tvb, offset+4);
|
|
optlen = tvb_get_ntohs(tvb, offset+6);
|
|
ac_information_type_item = proto_tree_add_text(ac_information_type_tree, tvb, offset, 4+2+2+optlen, "AC Information Type: (t=%d,l=%d) %s", ac_information_type, optlen, val_to_str(ac_information_type,ac_information_type_vals,"Unknown AC Information Type (%02d)") );
|
|
sub_ac_information_type_tree = proto_item_add_subtree(ac_information_type_item, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_vendor, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_type, tvb, offset+4, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_length, tvb, offset+6, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_value, tvb, offset+8, optlen, ENC_NA);
|
|
switch (ac_information_type) {
|
|
case AC_INFORMATION_HARDWARE_VERSION:
|
|
proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_hardware_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case AC_INFORMATION_SOFTWARE_VERSION:
|
|
proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_software_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
default:
|
|
/* No Default Action */
|
|
break;
|
|
}
|
|
return 4+2+2+optlen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_wtp_descriptor(tvbuff_t *tvb, proto_tree *wtp_descriptor_type_tree, guint offset)
|
|
{
|
|
guint optlen,wtp_descriptor_type = 0;
|
|
proto_item *wtp_descriptor_type_item;
|
|
proto_tree *sub_wtp_descriptor_type_tree;
|
|
|
|
wtp_descriptor_type = tvb_get_ntohs(tvb, offset+4);
|
|
optlen = tvb_get_ntohs(tvb, offset+6);
|
|
wtp_descriptor_type_item = proto_tree_add_text(wtp_descriptor_type_tree, tvb, offset, 4+2+2+optlen, "WTP Descriptor Type: (t=%d,l=%d) %s", wtp_descriptor_type, optlen, val_to_str(wtp_descriptor_type,wtp_descriptor_type_vals,"Unknown WTP Descriptor Type (%02d)") );
|
|
sub_wtp_descriptor_type_tree = proto_item_add_subtree(wtp_descriptor_type_item, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_vendor, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_type, tvb, offset+4, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_length, tvb, offset+6, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_value, tvb, offset+8, optlen, ENC_NA);
|
|
|
|
switch (wtp_descriptor_type) {
|
|
case WTP_DESCRIPTOR_HARDWARE_VERSION:
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_hardware_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case WTP_DESCRIPTOR_ACTIVE_SOFTWARE_VERSION:
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_active_software_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case WTP_DESCRIPTOR_BOOT_VERSION:
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_boot_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case WTP_DESCRIPTOR_OTHER_SOFTWARE_VERSION:
|
|
proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_other_software_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
default:
|
|
/* No Default Action */
|
|
break;
|
|
}
|
|
|
|
return 4+2+2+optlen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_board_data(tvbuff_t *tvb, proto_tree *board_data_type_tree, guint offset)
|
|
{
|
|
guint optlen,board_data_type = 0;
|
|
proto_item *board_data_type_item;
|
|
proto_tree *sub_board_data_type_tree;
|
|
|
|
board_data_type = tvb_get_ntohs(tvb, offset);
|
|
optlen = tvb_get_ntohs(tvb, offset+2);
|
|
board_data_type_item = proto_tree_add_text(board_data_type_tree, tvb, offset, 2+2+optlen, "Board Data Type: (t=%d,l=%d) %s", board_data_type, optlen, val_to_str(board_data_type,board_data_type_vals,"Unknown Board Data Type (%02d)") );
|
|
sub_board_data_type_tree = proto_item_add_subtree(board_data_type_item, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_type,tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_length, tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_value, tvb, offset+4, optlen, ENC_NA);
|
|
switch (board_data_type) {
|
|
case BOARD_DATA_WTP_MODEL_NUMBER:
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_model_number, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case BOARD_DATA_WTP_SERIAL_NUMBER:
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_serial_number, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case BOARD_DATA_BOARD_ID:
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_board_id, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case BOARD_DATA_BOARD_REVISION:
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_board_revision, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case BOARD_DATA_BASE_MAC_ADDRESS:
|
|
proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_base_mac_address, tvb, offset+4, 6, ENC_NA);
|
|
break;
|
|
|
|
default:
|
|
/* No Default Action */
|
|
break;
|
|
}
|
|
|
|
return 2+2+optlen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_message_element_type(tvbuff_t *tvb, proto_tree *msg_element_type_tree, guint offset)
|
|
{
|
|
guint optlen, offset_end, number_encrypt, i, msg_element_type = 0;
|
|
proto_item *msg_element_type_item, *msg_element_type_item_flag;
|
|
proto_tree *sub_msg_element_type_tree, *sub_msg_element_type_flag_tree;
|
|
|
|
msg_element_type = tvb_get_ntohs(tvb, offset);
|
|
optlen = tvb_get_ntohs(tvb, offset+2);
|
|
msg_element_type_item = proto_tree_add_text(msg_element_type_tree, tvb, offset, 2+2+optlen, "Type: (t=%d,l=%d) %s", msg_element_type, optlen, val_to_str(msg_element_type,message_element_type_vals,"Unknown Message Element Type (%02d)") );
|
|
sub_msg_element_type_tree = proto_item_add_subtree(msg_element_type_item, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type,tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_length, tvb, offset+2, 2, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_value, tvb, offset+4, optlen, ENC_NA);
|
|
|
|
switch (msg_element_type) {
|
|
case TYPE_AC_DESCRIPTOR: /* AC Descriptor (1) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_stations, tvb, offset+4, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_limit, tvb, offset+6, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_active_wtp, tvb, offset+8, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_max_wtp, tvb, offset+10, 2, ENC_BIG_ENDIAN);
|
|
|
|
/* AC Descriptor Security Flags... */
|
|
msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_security, tvb, offset+12, 1, ENC_NA);
|
|
sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap);
|
|
|
|
proto_tree_add_boolean(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_security_r, tvb, offset+12, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_boolean(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_security_s, tvb, offset+12, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_boolean(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_security_x, tvb, offset+12, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_rmac_field, tvb, offset+13, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_reserved, tvb, offset+14, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* AC Descriptor DTLS Flags... */
|
|
msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy, tvb, offset+15, 1, ENC_NA);
|
|
sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r, tvb, offset+15, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d, tvb, offset+15, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c, tvb, offset+15, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset_end = offset + optlen -4;
|
|
offset += 4 + 12;
|
|
while (offset < offset_end) {
|
|
offset += dissect_capwap_ac_information(tvb, sub_msg_element_type_tree, offset);
|
|
}
|
|
break;
|
|
|
|
case TYPE_AC_IPV4_LIST: /* AC IPv4 List (2) */
|
|
offset_end = offset + 4 + optlen;
|
|
offset += 4;
|
|
|
|
if (optlen%4 == 0)
|
|
{
|
|
while (offset_end-offset > 0)
|
|
{
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_ipv4_list, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
}
|
|
|
|
}
|
|
break;
|
|
case TYPE_AC_IPV6_LIST: /* AC IPv6 List (3) */
|
|
offset_end = offset + 4 + optlen;
|
|
offset += 4;
|
|
|
|
if (optlen%16 == 0)
|
|
{
|
|
while (offset_end-offset > 0)
|
|
{
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_ipv6_list, tvb, offset, 16, ENC_NA);
|
|
offset += 16;
|
|
}
|
|
|
|
}
|
|
break;
|
|
case TYPE_AC_NAME: /* AC Name (4) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_name, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case TYPE_AC_NAME_W_PRIORITY: /* AC Name With Priority (5) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_name_with_priority, tvb, offset+1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_name, tvb, offset+5, optlen-1, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case TYPE_CAPWAP_CONTROL_IPV4_ADDRESS: /* CAPWAP Control IPv4 Address (10) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_ipv4, tvb, offset+4, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_wtp_count, tvb, offset+8, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_CAPWAP_CONTROL_IPV6_ADDRESS: /* CAPWAP Control IPv6 Address (11) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_ipv6, tvb, offset+4, 16, ENC_NA);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_wtp_count, tvb, offset+20, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_CAPWAP_TIMERS: /* CAPWAP Timers (12) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_timers_discovery, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_timers_echo_request, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_DECRYPTION_ERROR_REPORT_PERIOD: /* Decryption Error Report Period (16) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_decryption_error_report_period_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree,hf_capwap_msg_element_type_decryption_error_report_period_interval, tvb, offset+5, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_DISCOVERY_TYPE: /* Discovery Type (20) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_discovery_type, tvb, offset+4, optlen, ENC_BIG_ENDIAN);
|
|
break;
|
|
case TYPE_IDLE_TIMEOUT: /* Idle Timeout (23) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_idle_timeout, tvb, offset+4, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_LOCATION_DATA: /* Location Data (28) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_location_data, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case TYPE_MAXIMUM_MESSAGE_LENGTH: /* Maximum Message Length (29) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_maximum_message_length, tvb, offset+4, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_RADIO_ADMINISTRATIVE_STATE: /* Radio Administrative State (31) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_admin_id, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_admin_state, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
|
|
break;
|
|
|
|
case TYPE_RADIO_OPERATIONAL_STATE: /* Radio Operational State (32) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_op_state_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_op_state_radio_state, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_op_state_radio_cause, tvb, offset+6, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_RESULT_CODE: /* Result Code (33) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_result_code, tvb, offset+4, optlen, ENC_BIG_ENDIAN);
|
|
|
|
break;
|
|
|
|
case TYPE_SESSION_ID: /* Session ID (35) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_session_id, tvb, offset+4, optlen, ENC_NA);
|
|
break;
|
|
|
|
case TYPE_STATISTICS_TIMER: /* Statistics Timer (36) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_statistics_timer, tvb, offset+4, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_VENDOR_SPECIFIC_PAYLOAD: /* Vendor Specific Payload (37) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_vsp_vendor_identifier, tvb, offset+4, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_vsp_vendor_element_id, tvb, offset+8, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_vsp_vendor_data, tvb, offset+10, optlen-6, ENC_NA);
|
|
break;
|
|
|
|
case TYPE_WTP_BOARD_DATA: /* WTP Board Data (38) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_board_data_vendor, tvb, offset+4, 4, ENC_BIG_ENDIAN);
|
|
offset += 8;
|
|
offset_end = offset + optlen -4;
|
|
while (offset < offset_end) {
|
|
offset += dissect_capwap_board_data(tvb, sub_msg_element_type_tree, offset);
|
|
}
|
|
break;
|
|
|
|
case TYPE_WTP_DESCRIPTOR: /* WTP Descriptor (39) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_max_radios, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_radio_in_use, tvb, offset+5, 1, ENC_BIG_ENDIAN);
|
|
if (global_capwap_draft_8_cisco == 0)
|
|
{
|
|
number_encrypt = tvb_get_guint8(tvb,offset+6);
|
|
msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_number_encrypt, tvb, offset+6, 1, ENC_BIG_ENDIAN);
|
|
sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap);
|
|
for (i=0; i < number_encrypt; i++) {
|
|
dissect_capwap_encryption_capabilities(tvb, sub_msg_element_type_flag_tree, offset+4+3+i*3);
|
|
}
|
|
offset_end = offset + optlen -4;
|
|
offset += 4 + 3 + number_encrypt * 3;
|
|
}
|
|
else
|
|
{
|
|
/*in Draft 8, there is only one "encryption_capabilities*/
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities, tvb, offset+6, 2, ENC_BIG_ENDIAN);
|
|
offset_end = offset + optlen -4;
|
|
offset += 6 + 2;
|
|
}
|
|
while (offset < offset_end) {
|
|
offset += dissect_capwap_wtp_descriptor(tvb, sub_msg_element_type_tree, offset);
|
|
}
|
|
break;
|
|
|
|
case TYPE_WTP_FALLBACK: /* WTP Fallback (40) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_fallback, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_WTP_FRAME_TUNNEL_MODE: /* WTP Frame Tunnel Mode (41) */
|
|
msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode, tvb, offset+4, 1, ENC_NA);
|
|
sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap);
|
|
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_WTP_MAC_TYPE: /* WTP MAC Type (44) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_mac_type, tvb, offset+4, optlen, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case TYPE_WTP_NAME: /* WTP Name (45) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_name, tvb, offset+4, optlen, ENC_ASCII|ENC_NA);
|
|
break;
|
|
|
|
case TYPE_WTP_REBOOT_STATISTICS: /* WTP Reboot Statistics (48) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_reboot_count, tvb, offset+4, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count, tvb, offset+6, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count, tvb, offset+8, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count, tvb, offset+10, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count, tvb, offset+12, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count, tvb, offset+14, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count, tvb, offset+16, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type, tvb, offset+18, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
case IEEE80211_RATE_SET: /* ieee80211 Rate Set (1034) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_rate_set_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_rate_set_rate_set, tvb, offset+5, optlen-1, ENC_NA);
|
|
break;
|
|
|
|
case IEEE80211_STATION_SESSION_KEY: /* ieee80211 Station Session Key (1038) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_mac, tvb, offset+4, 6, ENC_NA);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_flags, tvb, offset+10, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a, tvb, offset+10, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c, tvb, offset+10, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc, tvb, offset+12, 6, ENC_NA);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc, tvb, offset+18, 6, ENC_NA);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_key, tvb, offset+24, optlen-24, ENC_NA);
|
|
break;
|
|
|
|
case IEEE80211_WTP_RADIO_INFORMATION: /* ieee80211 WTP Radio Information (1048) */
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_reserved, tvb, offset+5, 3, ENC_NA);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_n, tvb, offset+8, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_g, tvb, offset+8, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_a, tvb, offset+8, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_b, tvb, offset+8, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
|
|
default:
|
|
/* No Default Action */
|
|
break;
|
|
}
|
|
|
|
return 2+2+optlen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_message_element(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset)
|
|
{
|
|
guint plen = 0, offset_end;
|
|
proto_item *ti;
|
|
proto_tree *capwap_message_element_tree;
|
|
|
|
ti = proto_tree_add_item(capwap_control_tree, hf_capwap_message_element, tvb, offset, tvb_reported_length(tvb) - offset, ENC_NA);
|
|
capwap_message_element_tree = proto_item_add_subtree(ti, ett_capwap);
|
|
|
|
offset_end = tvb_reported_length(tvb);
|
|
|
|
while (offset+plen < offset_end) {
|
|
plen += dissect_capwap_message_element_type(tvb, capwap_message_element_tree, offset+plen);
|
|
}
|
|
|
|
return plen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_control_header(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset, packet_info *pinfo)
|
|
{
|
|
guint plen = 0;
|
|
proto_item *ti, *ti_flag;
|
|
proto_tree *capwap_control_header_tree;
|
|
proto_tree *capwap_control_msg_type_tree;
|
|
|
|
ti = proto_tree_add_item(capwap_control_tree, hf_capwap_control_header, tvb, offset, 8, ENC_NA);
|
|
capwap_control_header_tree = proto_item_add_subtree(ti, ett_capwap);
|
|
|
|
/* Message Type 32 bits */
|
|
ti_flag = proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_msg_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
capwap_control_msg_type_tree = proto_item_add_subtree(ti_flag, ett_capwap);
|
|
|
|
proto_tree_add_item(capwap_control_msg_type_tree, hf_capwap_control_header_msg_type_enterprise_nbr, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(capwap_control_msg_type_tree, hf_capwap_control_header_msg_type_enterprise_specific, tvb, offset+3, 1, ENC_BIG_ENDIAN);
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " - %s",val_to_str(tvb_get_guint8(tvb, offset+3),message_type,"Unknown Message Type (0x%02x)"));
|
|
|
|
plen += 4;
|
|
/* Sequence 8 bits */
|
|
proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_seq_number, tvb, offset+plen, 1, ENC_BIG_ENDIAN);
|
|
plen += 1;
|
|
|
|
/* Message Element Length 16 bits */
|
|
proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_msg_element_length, tvb, offset+plen, 2, ENC_BIG_ENDIAN);
|
|
plen += 2;
|
|
/* Flags 8 bits */
|
|
proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_flags, tvb, offset+plen, 1, ENC_BIG_ENDIAN);
|
|
plen += 1;
|
|
return plen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_header(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset, packet_info *pinfo, guint8 *payload_type, guint8 *payload_wbid, gboolean *fragment_is, gboolean *fragment_more, guint32 *fragment_id, guint32 *fragment_offset)
|
|
{
|
|
guint plen = 0;
|
|
proto_item *ti, *ti_flag;
|
|
proto_tree *capwap_header_tree;
|
|
proto_tree *capwap_header_flags_tree;
|
|
guint flags = 0;
|
|
guint8 maclength, wirelesslength;
|
|
guint align = 0;
|
|
|
|
ti = proto_tree_add_item(capwap_control_tree, hf_capwap_header, tvb, offset+plen, tvb_get_bits8(tvb, (offset+plen)*8, 5), ENC_NA);
|
|
capwap_header_tree = proto_item_add_subtree(ti, ett_capwap);
|
|
|
|
/* Header Length : 5 Bits */
|
|
proto_tree_add_uint(capwap_header_tree, hf_capwap_header_hlen, tvb, offset+plen, 1, tvb_get_bits8(tvb, (offset+plen)*8, 5));
|
|
/* Radio ID : 5 Bits */
|
|
proto_tree_add_uint(capwap_header_tree, hf_capwap_header_rid, tvb, offset+plen, 1, tvb_get_bits8(tvb, (offset+plen)*8+5, 5));
|
|
|
|
/* Wireless Binding ID : 5 Bits */
|
|
proto_tree_add_uint(capwap_header_tree, hf_capwap_header_wbid, tvb, offset+plen, 1, tvb_get_bits8(tvb, (offset+plen)*8+10, 5));
|
|
|
|
/* WBid of Payload (for CAPWAP Data Packet) */
|
|
*payload_wbid = tvb_get_bits8(tvb, (offset+plen)*8+10, 5);
|
|
plen++;
|
|
|
|
/* Flags : 9 Bits */
|
|
flags = tvb_get_bits16(tvb, (offset+plen)*8+7, 9, ENC_BIG_ENDIAN);
|
|
ti_flag = proto_tree_add_uint_format(capwap_header_tree, hf_capwap_header_flags, tvb, offset+plen, 1, 0, "Header flags");
|
|
capwap_header_flags_tree = proto_item_add_subtree(ti_flag, ett_capwap);
|
|
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_t, tvb, offset+plen, 1, flags);
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_f, tvb, offset+plen, 1, flags);
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_l, tvb, offset+plen, 1, flags);
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_w, tvb, offset+plen, 1, flags);
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_m, tvb, offset+plen, 1, flags);
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_k, tvb, offset+plen, 1, flags);
|
|
proto_tree_add_boolean(capwap_header_flags_tree, hf_capwap_header_flags_r, tvb, offset+plen, 1, flags);
|
|
|
|
/* Fragment ??*/
|
|
*fragment_is = ((flags & 0x80) == 0x80) ? TRUE : FALSE;
|
|
*fragment_more = ((flags &0x40) == 0x40) ? FALSE : TRUE;
|
|
|
|
/* Type of Payload (for CAPWAP Data Packet) */
|
|
*payload_type = tvb_get_bits8(tvb, (offset+plen)*8+7,1);
|
|
|
|
plen += 2;
|
|
|
|
/* Fragment ID : 16 Bits */
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_fragment_id, tvb, offset+plen, 2, ENC_BIG_ENDIAN);
|
|
*fragment_id = (guint32)tvb_get_ntohs(tvb, offset+plen);
|
|
plen += 2;
|
|
|
|
/* Fragment offset : 13 Bits */
|
|
/* FIXME: Use _item and mask in hf element */
|
|
proto_tree_add_uint(capwap_header_tree, hf_capwap_header_fragment_offset, tvb, offset+plen, 2, tvb_get_bits16(tvb, (offset+plen)*8, 13, ENC_BIG_ENDIAN));
|
|
*fragment_offset = 8 * (guint32)tvb_get_bits16(tvb, (offset+plen)*8, 13, ENC_BIG_ENDIAN);
|
|
|
|
/* Reserved 3 Bits */
|
|
/* FIXME: Use _item and mask in hf element */
|
|
proto_tree_add_uint(capwap_header_tree, hf_capwap_header_reserved, tvb, offset+plen+1, 1, tvb_get_bits8(tvb, (offset+plen)*8+13, 3));
|
|
plen += 2;
|
|
/* Optionnal Headers */
|
|
if (flags & 0x10 /* Radio MAC address */) {
|
|
maclength=tvb_get_guint8(tvb, offset+plen);
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_length, tvb, offset+plen, 1, ENC_BIG_ENDIAN);
|
|
plen += 1;
|
|
if (maclength == 6) {
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_eui48, tvb, offset+plen, maclength, ENC_NA);
|
|
|
|
} else if (maclength == 8) {
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_eui64, tvb, offset+plen, maclength, ENC_BIG_ENDIAN);
|
|
} else {
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_data, tvb, offset+plen, maclength, ENC_NA);
|
|
}
|
|
plen += maclength;
|
|
/* 4 Bytes Alignment ? */
|
|
align = 4-((offset+plen)%4);
|
|
if (align != 4)
|
|
{
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_padding, tvb, offset+plen, align, ENC_NA);
|
|
plen += align;
|
|
}
|
|
}
|
|
if (flags & 0x20 /* Wireless specific information */) {
|
|
wirelesslength=tvb_get_guint8(tvb, offset+plen);
|
|
|
|
/* in Draft 8, the WBid is add in Wireless Specific Information*/
|
|
if (global_capwap_draft_8_cisco == 1)
|
|
{
|
|
plen += 1;
|
|
wirelesslength = 4;
|
|
}
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_wireless_length, tvb, offset+plen, 1, ENC_BIG_ENDIAN);
|
|
plen += 1;
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_wireless_data, tvb, offset+plen, wirelesslength, ENC_NA);
|
|
|
|
/* Optional Wireless Specific Information for ieee80211 (wbid = 1) Section 4 of RFC5416 */
|
|
if (*payload_wbid == 1)
|
|
{
|
|
dissect_capwap_data_message_bindings_ieee80211(tvb, capwap_header_tree, offset+plen, pinfo);
|
|
}
|
|
|
|
plen += wirelesslength;
|
|
/* 4 Bytes Alignment ? */
|
|
align = 4-((offset+plen)%4);
|
|
if (align != 4)
|
|
{
|
|
proto_tree_add_item(capwap_header_tree, hf_capwap_header_padding, tvb, offset+plen, align, ENC_NA);
|
|
plen += align;
|
|
}
|
|
}
|
|
return plen;
|
|
}
|
|
|
|
/* Returns the number of bytes consumed by this option. */
|
|
static int
|
|
dissect_capwap_preamble(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset, guint8 *type_header)
|
|
{
|
|
guint plen = 0;
|
|
proto_item *ti;
|
|
proto_tree *capwap_preamble_tree;
|
|
|
|
ti = proto_tree_add_item(capwap_control_tree, hf_capwap_preamble, tvb, offset+plen, -1, ENC_NA);
|
|
capwap_preamble_tree = proto_item_add_subtree(ti, ett_capwap);
|
|
|
|
proto_tree_add_uint(capwap_preamble_tree, hf_capwap_preamble_version, tvb, offset+plen, 1, hi_nibble(tvb_get_guint8(tvb, offset+plen)));
|
|
proto_tree_add_uint(capwap_preamble_tree, hf_capwap_preamble_type, tvb, offset+plen, 1, lo_nibble(tvb_get_guint8(tvb, offset+plen)));
|
|
*type_header = lo_nibble(tvb_get_guint8(tvb, offset+plen));
|
|
plen++;
|
|
/* DTLS Header ? */
|
|
if (*type_header == 1) {
|
|
proto_tree_add_item(capwap_preamble_tree, hf_capwap_preamble_reserved, tvb, offset+plen, 3, ENC_BIG_ENDIAN);
|
|
plen +=3;
|
|
}
|
|
proto_item_set_len(ti, plen);
|
|
return plen;
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
static int
|
|
dissect_capwap_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *capwap_control_tree;
|
|
guint offset = 0;
|
|
tvbuff_t *next_tvb = NULL;
|
|
guint8 type_header;
|
|
guint8 payload_type;
|
|
guint8 payload_wbid;
|
|
gboolean fragment_is;
|
|
gboolean fragment_more;
|
|
guint32 fragment_id;
|
|
guint32 fragment_offset;
|
|
fragment_data *frag_msg = NULL;
|
|
gboolean save_fragmented;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "CAPWAP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "CAPWAP-Control");
|
|
|
|
ti = proto_tree_add_item(tree, proto_capwap, tvb, 0, -1, ENC_NA);
|
|
capwap_control_tree = proto_item_add_subtree(ti, ett_capwap);
|
|
|
|
/* CAPWAP Preamble */
|
|
offset += dissect_capwap_preamble(tvb, capwap_control_tree, offset, &type_header);
|
|
|
|
if (type_header == 1) {
|
|
next_tvb = tvb_new_subset_remaining (tvb, offset);
|
|
call_dissector(dtls_handle, next_tvb, pinfo, tree);
|
|
return offset;
|
|
}
|
|
|
|
/* CAPWAP Header */
|
|
offset += dissect_capwap_header(tvb, capwap_control_tree, offset, pinfo, &payload_type, &payload_wbid, &fragment_is, &fragment_more, &fragment_id, &fragment_offset );
|
|
|
|
/* CAPWAP Reassemble */
|
|
save_fragmented = pinfo->fragmented;
|
|
|
|
if (global_capwap_reassemble && fragment_is)
|
|
{
|
|
const int len_rem = tvb_length_remaining(tvb, offset);
|
|
if (len_rem <= 0)
|
|
return offset;
|
|
|
|
pinfo->fragmented = TRUE;
|
|
|
|
frag_msg = fragment_add_check(tvb, offset, pinfo,fragment_id,
|
|
capwap_fragment_table,
|
|
capwap_reassembled_table,
|
|
fragment_offset,
|
|
len_rem,
|
|
fragment_more);
|
|
|
|
next_tvb = process_reassembled_data(tvb, offset, pinfo,
|
|
"Reassembled CAPWAP", frag_msg,
|
|
&capwap_frag_items, NULL, tree);
|
|
|
|
if (next_tvb == NULL)
|
|
{ /* make a new subset */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Fragment ID: %u, Fragment Offset: %u)", fragment_id, fragment_offset);
|
|
}
|
|
else
|
|
{
|
|
/* CAPWAP Control Header */
|
|
offset = dissect_capwap_control_header(next_tvb, capwap_control_tree, 0, pinfo);
|
|
|
|
/* CAPWAP Message Element */
|
|
offset += dissect_capwap_message_element(next_tvb, capwap_control_tree, offset);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Reassembled, Fragment ID: %u)", fragment_id);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* CAPWAP Control Header */
|
|
offset += dissect_capwap_control_header(tvb, capwap_control_tree, offset, pinfo);
|
|
|
|
/* CAPWAP Message Element */
|
|
offset += dissect_capwap_message_element(tvb, capwap_control_tree, offset);
|
|
}
|
|
pinfo->fragmented = save_fragmented;
|
|
return offset;
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
static void
|
|
dissect_capwap_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *capwap_data_tree;
|
|
guint offset = 0;
|
|
tvbuff_t *next_tvb;
|
|
guint8 type_header;
|
|
guint8 payload_type;
|
|
guint8 payload_wbid;
|
|
gboolean fragment_is;
|
|
gboolean fragment_more;
|
|
guint32 fragment_id;
|
|
guint32 fragment_offset;
|
|
fragment_data *frag_msg = NULL;
|
|
gboolean save_fragmented;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "CAPWAP");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "CAPWAP-Data");
|
|
|
|
ti = proto_tree_add_item(tree, proto_capwap, tvb, 0, -1, ENC_NA);
|
|
capwap_data_tree = proto_item_add_subtree(ti, ett_capwap);
|
|
|
|
/* CAPWAP Preamble */
|
|
offset += dissect_capwap_preamble(tvb, capwap_data_tree, offset, &type_header);
|
|
|
|
if (type_header == 1) {
|
|
next_tvb = tvb_new_subset_remaining (tvb, offset);
|
|
call_dissector(dtls_handle, next_tvb, pinfo, tree);
|
|
return;
|
|
}
|
|
|
|
/* CAPWAP Header */
|
|
offset += dissect_capwap_header(tvb, capwap_data_tree, offset, pinfo, &payload_type, &payload_wbid, &fragment_is, &fragment_more, &fragment_id, &fragment_offset);
|
|
|
|
/* CAPWAP Reassemble */
|
|
save_fragmented = pinfo->fragmented;
|
|
|
|
if (global_capwap_reassemble && fragment_is)
|
|
{
|
|
pinfo->fragmented = TRUE;
|
|
|
|
frag_msg = fragment_add_check(tvb, offset, pinfo,fragment_id,
|
|
capwap_fragment_table,
|
|
capwap_reassembled_table,
|
|
fragment_offset,
|
|
tvb_length_remaining(tvb, offset),
|
|
fragment_more);
|
|
|
|
next_tvb = process_reassembled_data(tvb, offset, pinfo,
|
|
"Reassembled CAPWAP", frag_msg,
|
|
&capwap_frag_items, NULL, tree);
|
|
|
|
if (next_tvb == NULL)
|
|
{ /* make a new subset */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(data_handle,next_tvb, pinfo, tree);
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Fragment ID: %u, Fragment Offset: %u)", fragment_id, fragment_offset);
|
|
}
|
|
else
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " (Reassembled, Fragment ID: %u)", fragment_id);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
next_tvb = tvb_new_subset_remaining (tvb, offset);
|
|
}
|
|
|
|
/* CAPWAP Data Payload */
|
|
if (payload_type == 0) {
|
|
/* IEEE 802.3 Frame */
|
|
call_dissector(ieee8023_handle, next_tvb, pinfo, tree);
|
|
} else {
|
|
switch (payload_wbid) {
|
|
case 0: /* Reserved - Cisco seems to use this instead of 1 */
|
|
/* It seems that just calling ieee80211_handle is not
|
|
* quite enough to get this right, so call data_handle
|
|
* for now:
|
|
*/
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
break;
|
|
case 1: /* IEEE 802.11 */
|
|
call_dissector(global_capwap_swap_frame_control ? ieee80211_bsfc_handle : ieee80211_handle, next_tvb, pinfo, tree);
|
|
break;
|
|
default: /* Unknown Data */
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
break;
|
|
}
|
|
}
|
|
pinfo->fragmented = save_fragmented;
|
|
}
|
|
|
|
|
|
void
|
|
proto_register_capwap_control(void)
|
|
{
|
|
module_t *capwap_module;
|
|
|
|
static hf_register_info hf[] = {
|
|
/* Preamble */
|
|
{ &hf_capwap_preamble,
|
|
{ "Preamble", "capwap.preamble",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_preamble_version,
|
|
{ "Version", "capwap.preamble.version",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Version of CAPWAP", HFILL }},
|
|
{ &hf_capwap_preamble_type,
|
|
{ "Type", "capwap.preamble.type",
|
|
FT_UINT8, BASE_DEC, VALS(type_header_vals), 0x0,
|
|
"Type of Payload", HFILL }},
|
|
{ &hf_capwap_preamble_reserved,
|
|
{ "Reserved", "capwap.preamble.reserved",
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
/* CAPWAP Header */
|
|
{ &hf_capwap_header,
|
|
{ "Header", "capwap.header",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_hlen,
|
|
{ "Header Length", "capwap.header.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_rid,
|
|
{ "Radio ID", "capwap.header.rid",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wbid,
|
|
{ "Wireless Binding ID", "capwap.header.wbid",
|
|
FT_UINT8, BASE_DEC, VALS(type_wbid), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags,
|
|
{ "Header Flags", "capwap.header.flags",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_t,
|
|
{ "Payload Type", "capwap.header.flags.t",
|
|
FT_BOOLEAN, 9, TFS(&flag_type_t), 0x100,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_f,
|
|
{ "Fragment", "capwap.header.flags.f",
|
|
FT_BOOLEAN, 9, TFS(&flag_type_f), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_l,
|
|
{ "Last Fragment", "capwap.header.flags.l",
|
|
FT_BOOLEAN, 9, TFS(&flag_type_l), 0x40,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_w,
|
|
{ "Wireless header", "capwap.header.flags.w",
|
|
FT_BOOLEAN, 9, TFS(&flag_type_w), 0x20,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_m,
|
|
{ "Radio MAC header", "capwap.header.flags.m",
|
|
FT_BOOLEAN, 9, TFS(&flag_type_m), 0x10,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_k,
|
|
{ "Keep-Alive", "capwap.header.flags.k",
|
|
FT_BOOLEAN, 9, TFS(&flag_type_k), 0x08,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_flags_r,
|
|
{ "Reserved", "capwap.header.flags.r",
|
|
FT_BOOLEAN, 9, TFS(&tfs_set_notset), 0x07,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_fragment_id,
|
|
{ "Fragment ID", "capwap.header.fragment.id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_fragment_offset,
|
|
{ "Fragment Offset", "capwap.header.fragment.offset",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_reserved,
|
|
{ "Reserved", "capwap.header.fragment.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_mac_length,
|
|
{ "MAC length", "capwap.header.mac.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_mac_eui48,
|
|
{ "MAC address", "capwap.header.mac.eui48",
|
|
FT_ETHER, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_mac_eui64,
|
|
{ "MAC address", "capwap.header.mac.eui64",
|
|
FT_EUI64, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_mac_data,
|
|
{ "MAC address", "capwap.header.mac.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_length,
|
|
{ "Wireless length", "capwap.header.wireless.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data,
|
|
{ "Wireless data", "capwap.header.wireless.data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_fi,
|
|
{ "Wireless data ieee80211 Frame Info", "capwap.header.wireless.data.ieee80211.fi",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_fi_rssi,
|
|
{ "Wireless data ieee80211 RSSI (dBm)", "capwap.header.wireless.data.ieee80211.fi.rssi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_fi_snr,
|
|
{ "Wireless data ieee80211 SNR (dB)", "capwap.header.wireless.data.ieee80211.fi.snr",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_fi_data_rate,
|
|
{ "Wireless data ieee80211 Data Rate (Mbps)", "capwap.header.wireless.data.ieee80211.fi.data_rate",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_dest_wlan,
|
|
{ "Wireless data ieee80211 Destination WLANs", "capwap.header.wireless.data.ieee80211.dw",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap,
|
|
{ "Wireless data ieee80211 Destination Wlan Id bitmap",
|
|
"capwap.header.wireless.data.ieee80211.dw.wlan_id_bitmap",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_wireless_data_ieee80211_dw_reserved,
|
|
{ "Wireless data ieee80211 Destination Wlan reserved", "capwap.header.wireless.data.ieee80211.dw.reserved",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_header_padding,
|
|
{ "Padding for 4 Byte Alignement", "capwap.header.padding",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
/* CAPWAP Control Header Message */
|
|
|
|
{ &hf_capwap_control_header,
|
|
{ "Control Header", "capwap.control.header",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_control_header_msg_type,
|
|
{ "Message Type", "capwap.control.header.message_type",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_control_header_msg_type_enterprise_nbr,
|
|
{ "Message Type (Enterprise Number)", "capwap.control.header.message_type.enterprise_number",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_control_header_msg_type_enterprise_specific,
|
|
{ "Message Type (Enterprise Specific)", "capwap.control.header.message_type.enterprise_specific",
|
|
FT_UINT8, BASE_DEC, VALS(message_type), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_control_header_seq_number,
|
|
{ "Sequence Number", "capwap.control.header.sequence_number",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_control_header_msg_element_length,
|
|
{ "Message Element Length", "capwap.control.header.message_element_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_control_header_flags,
|
|
{ "Flags", "capwap.control.header.flags",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
/* CAPWAP Protocol Message Elements */
|
|
|
|
{ &hf_capwap_message_element,
|
|
{ "Message Element", "capwap.message_element",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type,
|
|
{ "Type", "capwap.message_element.type",
|
|
FT_UINT16, BASE_DEC, VALS(message_element_type_vals), 0x00,
|
|
"CAPWAP Message Element type", HFILL }},
|
|
{ &hf_capwap_msg_element_length,
|
|
{ "Length", "capwap.message_element.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"CAPWAP Message Element length", HFILL }},
|
|
{ &hf_capwap_msg_element_value,
|
|
{ "Value", "capwap.message_element.value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
"CAPWAP Message Element value", HFILL }},
|
|
|
|
/* CAPWAP Protocol Message Element Type */
|
|
|
|
/* AC Descriptor */
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_stations,
|
|
{ "Stations", "capwap.control.message_element.ac_descriptor.stations",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_limit,
|
|
{ "Limit Stations", "capwap.control.message_element.ac_descriptor.limit",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_active_wtp,
|
|
{ "Active WTPs", "capwap.control.message_element.ac_descriptor.active_wtp",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_max_wtp,
|
|
{ "Max WTPs", "capwap.control.message_element.ac_descriptor.max_wtp",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
/* AC Descriptor Security Flags... */
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_security,
|
|
{ "Security Flags", "capwap.control.message_element.ac_descriptor.security",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_security_s,
|
|
{ "AC supports the pre-shared", "capwap.control.message_element.ac_descriptor.security.s",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x04,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_security_x,
|
|
{ "AC supports X.509 Certificate", "capwap.control.message_element.ac_descriptor.security.x",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x02,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_security_r,
|
|
{ "Reserved", "capwap.control.message_element.ac_descriptor.security.r",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xF9,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_rmac_field,
|
|
{ "R-MAC Field", "capwap.control.message_element.ac_descriptor.rmac_field",
|
|
FT_UINT8, BASE_DEC, VALS(rmac_field_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_reserved,
|
|
{ "Reserved", "capwap.control.message_element.ac_descriptor.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
/* AC Descriptor DTLS Policy Flags... */
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_dtls_policy,
|
|
{ "DTLS Policy Flags", "capwap.control.message_element.ac_descriptor.dtls_policy",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d,
|
|
{ "DTLS-Enabled Data Channel Supported", "capwap.control.message_element.ac_descriptor.dtls_policy.d",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x04,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c,
|
|
{ "Clear Text Data Channel Supported", "capwap.control.message_element.ac_descriptor.dtls_policy.c",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x02,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r,
|
|
{ "Reserved", "capwap.control.message_element.ac_descriptor.dtls_policy.r",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xF9,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_ac_information_vendor,
|
|
{ "AC Information Vendor", "capwap.control.message_element.ac_information.vendor",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_information_type,
|
|
{ "AC Information Type", "capwap.control.message_element.ac_information.type",
|
|
FT_UINT16, BASE_DEC, VALS(ac_information_type_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_information_length,
|
|
{ "AC Information Length", "capwap.control.message_element.ac_information.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_ac_information_value,
|
|
{ "AC Information Value", "capwap.control.message_element.ac_information.value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_information_hardware_version,
|
|
{ "AC Hardware Version", "capwap.control.message_element.ac_information.hardware_version",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_information_software_version,
|
|
{ "AC Software Version", "capwap.control.message_element.ac_information.software_version",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_ipv4_list,
|
|
{ "AC IPv4 List", "capwap.control.message_element.message_element.ac_ipv4_list",
|
|
FT_IPv4, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_ipv6_list,
|
|
{ "AC IPv6 List", "capwap.control.message_element.message_element.ac_ipv6_list",
|
|
FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
/* CAPWAP Control IPvX Address*/
|
|
{ &hf_capwap_msg_element_type_capwap_control_ipv4,
|
|
{ "CAPWAP Control IP Address", "capwap.control.message_element.message_element.capwap_control_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_capwap_control_ipv6,
|
|
{ "CAPWAP Control IP Address", "capwap.control.message_element.message_element.capwap_control_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_capwap_control_wtp_count,
|
|
{ "CAPWAP Control WTP Count", "capwap.control.message_element.capwap_control_wtp_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_capwap_timers_discovery,
|
|
{ "CAPWAP Timers Discovery (Sec)", "capwap.control.message_element.capwap_timers_discovery",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_capwap_timers_echo_request,
|
|
{ "CAPWAP Timers Echo Request (Sec)", "capwap.control.message_element.capwap_timers_echo_request",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_decryption_error_report_period_radio_id,
|
|
{ "Decryption Error Report Period Radio ID", "capwap.control.message_element.decryption_error_report_period.radio_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_decryption_error_report_period_interval,
|
|
{ "Decryption Error Report Report Interval (Sec)", "capwap.control.message_element.decryption_error_report_period.interval",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_name,
|
|
{ "AC Name", "capwap.control.message_element.ac_name",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ac_name_with_priority,
|
|
{ "AC Name Priority", "capwap.control.message_element.ac_name_with_priority",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_discovery_type,
|
|
{ "Discovery Type", "capwap.control.message_element.discovery_type",
|
|
FT_UINT8, BASE_DEC, VALS(discovery_type_vals), 0x00,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_idle_timeout,
|
|
{ "Idle Timeout (Sec)", "capwap.control.message_element.idle_timeout",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_location_data,
|
|
{ "Location Data", "capwap.control.message_element.location_data",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_maximum_message_length,
|
|
{ "Maximum Message Length", "capwap.control.message_element.maximum_message_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_radio_admin_id,
|
|
{ "Radio Administrative ID", "capwap.control.message_element.radio_admin.id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_radio_admin_state,
|
|
{ "Radio Administrative State", "capwap.control.message_element.radio_admin.state",
|
|
FT_UINT8, BASE_DEC, VALS(radio_admin_state_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_radio_op_state_radio_id,
|
|
{ "Radio Operational ID", "capwap.control.message_element.radio_op_state.radio_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_radio_op_state_radio_state,
|
|
{ "Radio Operational State", "capwap.control.message_element.radio_op_state.radio_state",
|
|
FT_UINT8, BASE_DEC, VALS(radio_op_state_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_radio_op_state_radio_cause,
|
|
{ "Radio Operational Cause", "capwap.control.message_element.radio_op_state.radio_cause",
|
|
FT_UINT8, BASE_DEC, VALS(radio_op_cause_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_result_code,
|
|
{ "Result Code", "capwap.control.message_element.result_code",
|
|
FT_UINT32, BASE_DEC, VALS(result_code_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_session_id,
|
|
{ "Session ID", "capwap.control.message_element.session_id",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_statistics_timer,
|
|
{ "Statistics Timer (Sec)", "capwap.control.message_element.statistics_timer",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_vsp_vendor_identifier,
|
|
{ "Vendor Identifier", "capwap.control.message_element.vsp.vendor_identifier",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_vsp_vendor_element_id,
|
|
{ "Vendor Element ID", "capwap.control.message_element.vsp.vendor_element_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_vsp_vendor_data,
|
|
{ "Vendor Data", "capwap.control.message_element.vsp.vendor_data",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_vendor,
|
|
{ "WTP Board Data Vendor", "capwap.control.message_element.wtp_board_data.vendor",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_type,
|
|
{ "Board Data Type", "capwap.control.message_element.wtp_board_data.type",
|
|
FT_UINT16, BASE_DEC, VALS(board_data_type_vals), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_length,
|
|
{ "Board Data Length", "capwap.control.message_element.wtp_board_data.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_value,
|
|
{ "Board Data Value", "capwap.control.message_element.wtp_board_data.value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_wtp_model_number,
|
|
{ "WTP Model Number", "capwap.control.message_element.wtp_board_data.wtp_model_number",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_wtp_serial_number,
|
|
{ "WTP Serial Number", "capwap.control.message_element.wtp_board_data.wtp_serial_number",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_wtp_board_id,
|
|
{ "WTP Board ID", "capwap.control.message_element.wtp_board_data.wtp_board_id",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_wtp_board_revision,
|
|
{ "WTP Board Revision", "capwap.control.message_element.wtp_board_data.wtp_board_revision",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_board_data_base_mac_address,
|
|
{ "Base Mac Address", "capwap.control.message_element.wtp_board_data.base_mac_address",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_max_radios,
|
|
{ "Max Radios", "capwap.control.message_element.wtp_descriptor.max_radios",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_radio_in_use,
|
|
{ "Radio in use", "capwap.control.message_element.wtp_descriptor.radio_in_use",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_number_encrypt,
|
|
{ "Encryption Capabilities (Number)", "capwap.control.message_element.wtp_descriptor.number_encrypt",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved,
|
|
{ "Reserved (Encrypt)", "capwap.control.message_element.wtp_descriptor.encrypt_reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid,
|
|
{ "Encrypt WBID", "capwap.control.message_element.wtp_descriptor.encrypt_wbid",
|
|
FT_UINT8, BASE_DEC, VALS(type_wbid), 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities,
|
|
{ "Encryption Capabilities", "capwap.control.message_element.wtp_descriptor.encrypt_capabilities",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_vendor,
|
|
{ "WTP Descriptor Vendor", "capwap.control.message_element.wtp_descriptor.vendor",
|
|
FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_type,
|
|
{ "Descriptor Type", "capwap.control.message_element.wtp_descriptor.type",
|
|
FT_UINT16, BASE_DEC, VALS(wtp_descriptor_type_vals), 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_length,
|
|
{ "Descriptor Length", "capwap.control.message_element.wtp_descriptor.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_value,
|
|
{ "Descriptor Value", "capwap.control.message_element.wtp_descriptor.value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_hardware_version,
|
|
{ "WTP Hardware Version", "capwap.control.message_element.wtp_descriptor.hardware_version",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_active_software_version,
|
|
{ "WTP Active Software Version", "capwap.control.message_element.wtp_descriptor.active_software_version",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_boot_version,
|
|
{ "WTP Boot Version", "capwap.control.message_element.wtp_descriptor.boot_version",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_descriptor_other_software_version,
|
|
{ "WTP Other Software Version", "capwap.control.message_element.wtp_descriptor.other_software_version",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_fallback,
|
|
{ "WTP Fallback", "capwap.control.message_element.wtp_fallback",
|
|
FT_UINT8, BASE_DEC, VALS(wtp_fallback_vals), 0x0,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_wtp_frame_tunnel_mode,
|
|
{ "WTP Frame Tunnel Mode", "capwap.control.message_element.wtp_frame_tunnel_mode",
|
|
FT_NONE, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n,
|
|
{ "Native Frame Tunnel Mode", "capwap.control.message_element.wtp_frame_tunnel_mode.n",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x08,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e,
|
|
{ "802.3 Frame Tunnel Mode", "capwap.control.message_element.wtp_frame_tunnel_mode.e",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x04,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l,
|
|
{ "Local Bridging", "capwap.control.message_element.wtp_frame_tunnel_mode.l",
|
|
FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x02,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r,
|
|
{ "Reserved", "capwap.control.message_element.wtp_frame_tunnel_mode.r",
|
|
FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xF1,
|
|
NULL, HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_wtp_mac_type,
|
|
{ "WTP MAC Type", "capwap.control.message_element.wtp_mac_type",
|
|
FT_UINT8, BASE_DEC, VALS(wtp_mac_vals), 0x0,
|
|
"The MAC mode of operation supported by the WTP", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_name,
|
|
{ "WTP Name", "capwap.control.message_element.wtp_name",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_reboot_count,
|
|
{ "Reboot Count", "capwap.control.message_element.wtp_reboot_statistics.reboot_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of reboots that have occurred due to a WTP crash", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count,
|
|
{ "AC Initiated Count", "capwap.control.message_element.wtp_reboot_statistics.ac_initiated_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of reboots that have occurred at the request of a CAPWAP protocol message", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count,
|
|
{ "Link Failure Count", "capwap.control.message_element.wtp_reboot_statistics.link_failure_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of times that a CAPWAP protocol connection with an AC has failed due to link failure", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count,
|
|
{ "SW Failure Count", "capwap.control.message_element.wtp_reboot_statistics.sw_failure_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of times that a CAPWAP protocol connection with an AC has failed due to software-related reasons", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count,
|
|
{ "HW Failure Count", "capwap.control.message_element.wtp_reboot_statistics.hw_failure_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of times that a CAPWAP protocol connection with an AC has failed due to hardware-related reasons", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count,
|
|
{ "Other Failure Count", "capwap.control.message_element.wtp_reboot_statistics.other_failure_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of times that a CAPWAP protocol connection with an AC has failed due to known reasons, other than AC initiated, link, SW or HW failure", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count,
|
|
{ "Unknown Failure Count", "capwap.control.message_element.wtp_reboot_statistics.unknown_failure_count",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"The number of times that a CAPWAP protocol connection with an AC has failed for unknown reasons", HFILL }},
|
|
{ &hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type,
|
|
{ "Last Failure Type", "capwap.control.message_element.wtp_reboot_statistics.last_failure_type",
|
|
FT_UINT8, BASE_DEC, VALS(last_failure_type_vals), 0x0,
|
|
"The failure type of the most recent WTP failure", HFILL }},
|
|
|
|
{ &hf_capwap_msg_element_type_ieee80211_rate_set_radio_id,
|
|
{ "Radio ID", "capwap.control.message_element.ieee80211_rate_set.radio_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_rate_set_rate_set,
|
|
{ "Rate Set", "capwap.control.message_element.ieee80211_rate_set.rate_set",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_mac,
|
|
{ "Mac Address", "capwap.control.message_element.ieee80211_station_session_key.mac",
|
|
FT_ETHER, BASE_NONE, NULL, 0x0,
|
|
"The station's MAC Address", HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_flags,
|
|
{ "Flags", "capwap.control.message_element.ieee80211_station_session_key.flags",
|
|
FT_UINT16, BASE_DEC, NULL, 0x3FFF,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a,
|
|
{ "Flag A", "capwap.control.message_element.ieee80211_station_session_key.flags_a",
|
|
FT_BOOLEAN, 1, NULL, 0x2000,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c,
|
|
{ "Flag C", "capwap.control.message_element.ieee80211_station_session_key.flags_c",
|
|
FT_BOOLEAN, 1, NULL, 0x1000,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc,
|
|
{ "Pairwise TSC", "capwap.control.message_element.ieee80211_station_session_key.pairwire_tsc",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Transmit Sequence Counter (TSC)", HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc,
|
|
{ "Pairwise RSC", "capwap.control.message_element.ieee80211_station_session_key.pairwire_rsc",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
"Receive Sequence Counter (TSC)", HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_station_session_key_key,
|
|
{ "Key", "capwap.control.message_element.ieee80211_station_session_key.key",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_id,
|
|
{ "Radio ID", "capwap.control.message_element.ieee80211__wtp_radio_info.radio_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_reserved,
|
|
{ "Radio Type Reserved", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_reserved",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_n,
|
|
{ "Radio Type 802.11n", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_n",
|
|
FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0008,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_g,
|
|
{ "Radio Type 802.11g", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_g",
|
|
FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0004,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_a,
|
|
{ "Radio Type 802.11a", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_a",
|
|
FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0002,
|
|
NULL, HFILL }},
|
|
{ &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_b,
|
|
{ "Radio Type 802.11g", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_b",
|
|
FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0001,
|
|
NULL, HFILL }},
|
|
|
|
/* Fragment entries */
|
|
{ &hf_msg_fragments,
|
|
{ "Message fragments", "capwap.fragments", FT_NONE, BASE_NONE,
|
|
NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment,
|
|
{ "Message fragment", "capwap.fragment", FT_FRAMENUM, BASE_NONE,
|
|
NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment_overlap,
|
|
{ "Message fragment overlap", "capwap.fragment.overlap", FT_BOOLEAN,
|
|
BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment_overlap_conflicts,
|
|
{ "Message fragment overlapping with conflicting data",
|
|
"capwap.fragment.overlap.conflicts", FT_BOOLEAN, BASE_NONE, NULL,
|
|
0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment_multiple_tails,
|
|
{ "Message has multiple tail fragments",
|
|
"capwap.fragment.multiple_tails", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment_too_long_fragment,
|
|
{ "Message fragment too long", "capwap.fragment.too_long_fragment",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment_error,
|
|
{ "Message defragmentation error", "capwap.fragment.error", FT_FRAMENUM,
|
|
BASE_NONE, NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_fragment_count,
|
|
{ "Message fragment count", "capwap.fragment.count", FT_UINT32, BASE_DEC,
|
|
NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_reassembled_in,
|
|
{ "Reassembled in", "capwap.reassembled.in", FT_FRAMENUM, BASE_NONE,
|
|
NULL, 0x00, NULL, HFILL } },
|
|
{ &hf_msg_reassembled_length,
|
|
{ "Reassembled CAPWAP length", "capwap.reassembled.length", FT_UINT32, BASE_DEC,
|
|
NULL, 0x00, NULL, HFILL } }
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_capwap,
|
|
&ett_msg_fragment,
|
|
&ett_msg_fragments
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_capwap = proto_register_protocol("Control And Provisioning of Wireless Access Points", "CAPWAP", "capwap");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_capwap, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
register_init_routine(&capwap_reassemble_init);
|
|
|
|
/* Register preferences module (See Section 2.6 for more on preferences) */
|
|
capwap_module = prefs_register_protocol(proto_capwap, proto_reg_handoff_capwap);
|
|
|
|
prefs_register_uint_preference(capwap_module, "udp.port.control", "CAPWAP Control UDP Port",
|
|
"Set the port for CAPWAP Control messages (if other than the default of 5246)",
|
|
10, &global_capwap_control_udp_port);
|
|
|
|
prefs_register_uint_preference(capwap_module, "udp.port.data", "CAPWAP Data UDP Port",
|
|
"Set the port for CAPWAP Data messages (if other than the default of 5247)",
|
|
10, &global_capwap_data_udp_port);
|
|
|
|
prefs_register_bool_preference(capwap_module, "draft_8_cisco", "Cisco Wireless Controller Support",
|
|
"Enable support of Cisco Wireless Controller (based on old 8 draft revision).",
|
|
&global_capwap_draft_8_cisco);
|
|
|
|
prefs_register_bool_preference(capwap_module, "reassemble", "Reassemble fragmented CAPWAP packets",
|
|
"Reassemble fragmented CAPWAP packets.",
|
|
&global_capwap_reassemble);
|
|
|
|
prefs_register_bool_preference(capwap_module, "swap_fc", "Swap Frame Control",
|
|
"Swap frame control bytes (needed for some APs).",
|
|
&global_capwap_swap_frame_control);
|
|
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_capwap(void)
|
|
{
|
|
static gboolean inited = FALSE;
|
|
static dissector_handle_t capwap_control_handle, capwap_data_handle;
|
|
static guint capwap_control_udp_port, capwap_data_udp_port;
|
|
|
|
if (!inited) {
|
|
capwap_control_handle = new_create_dissector_handle(dissect_capwap_control, proto_capwap);
|
|
capwap_data_handle = create_dissector_handle(dissect_capwap_data, proto_capwap);
|
|
dtls_handle = find_dissector("dtls");
|
|
ieee8023_handle = find_dissector("eth_withoutfcs");
|
|
ieee80211_handle = find_dissector("wlan");
|
|
ieee80211_bsfc_handle = find_dissector("wlan_bsfc");
|
|
data_handle = find_dissector("data");
|
|
|
|
inited = TRUE;
|
|
} else {
|
|
dissector_delete_uint("udp.port", capwap_control_udp_port, capwap_control_handle);
|
|
dissector_delete_uint("udp.port", capwap_data_udp_port, capwap_data_handle);
|
|
}
|
|
dissector_add_uint("udp.port", global_capwap_control_udp_port, capwap_control_handle);
|
|
dissector_add_uint("udp.port", global_capwap_data_udp_port, capwap_data_handle);
|
|
|
|
capwap_control_udp_port = global_capwap_control_udp_port;
|
|
capwap_data_udp_port = global_capwap_data_udp_port;
|
|
}
|
|
|