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/* 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 >
*
* $ Id $
*
* Wireshark - Network traffic analyzer
* By Gerald Combs < gerald @ wireshark . org >
* Copyright 1998 Gerald Combs
*
* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation ; either version 2
* of the License , or ( at your option ) any later version .
*
* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
* GNU General Public License for more details .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 , USA .
*/
# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
# include <stdlib.h>
# include <epan/packet.h>
# include <epan/prefs.h>
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# include <epan/reassemble.h>
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# include <epan/sminmpec.h>
# define UDP_PORT_CAPWAP_CONTROL 5246
# define UDP_PORT_CAPWAP_DATA 5247
static guint global_capwap_control_udp_port = UDP_PORT_CAPWAP_CONTROL ;
static guint global_capwap_data_udp_port = UDP_PORT_CAPWAP_DATA ;
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static gboolean global_capwap_draft_8_cisco = FALSE ;
static gboolean global_capwap_reassemble = TRUE ;
static gboolean global_capwap_swap_frame_control = TRUE ;
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static GHashTable * capwap_fragment_table = NULL ;
static GHashTable * capwap_reassembled_table = NULL ;
static gboolean save_fragmented ;
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/* TODO LIST !
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* add decryption of DLTS Message
* add support of all Messages Element Type
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*/
/* Forward declaration we need below */
void proto_reg_handoff_capwap ( void ) ;
/* Initialize the protocol and registered fields */
static int proto_capwap = - 1 ;
static int hf_capwap_preamble = - 1 ;
static int hf_capwap_preamble_version = - 1 ;
static int hf_capwap_preamble_type = - 1 ;
static int hf_capwap_preamble_reserved = - 1 ;
static int hf_capwap_header = - 1 ;
static int hf_capwap_header_hlen = - 1 ;
static int hf_capwap_header_rid = - 1 ;
static int hf_capwap_header_wbid = - 1 ;
static int hf_capwap_header_flags = - 1 ;
static int hf_capwap_header_flags_t = - 1 ;
static int hf_capwap_header_flags_f = - 1 ;
static int hf_capwap_header_flags_l = - 1 ;
static int hf_capwap_header_flags_w = - 1 ;
static int hf_capwap_header_flags_m = - 1 ;
static int hf_capwap_header_flags_k = - 1 ;
static int hf_capwap_header_flags_r = - 1 ;
static int hf_capwap_header_fragment_id = - 1 ;
static int hf_capwap_header_fragment_offset = - 1 ;
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 ;
static int hf_capwap_header_mac_eui64 = - 1 ;
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static int hf_capwap_header_mac_data = - 1 ;
static int hf_capwap_header_wireless_length = - 1 ;
static int hf_capwap_header_wireless_data = - 1 ;
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static int hf_capwap_header_wireless_data_ieee80211_fi = - 1 ;
static int hf_capwap_header_wireless_data_ieee80211_fi_rssi = - 1 ;
static int hf_capwap_header_wireless_data_ieee80211_fi_snr = - 1 ;
static int hf_capwap_header_wireless_data_ieee80211_fi_data_rate = - 1 ;
static int hf_capwap_header_wireless_data_ieee80211_dest_wlan = - 1 ;
static int hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap = - 1 ;
static int hf_capwap_header_wireless_data_ieee80211_dw_reserved = - 1 ;
static int hf_capwap_header_padding = - 1 ;
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static int hf_capwap_control_header = - 1 ;
static int hf_capwap_control_header_msg_type = - 1 ;
static int hf_capwap_control_header_msg_type_enterprise_nbr = - 1 ;
static int hf_capwap_control_header_msg_type_enterprise_specific = - 1 ;
static int hf_capwap_control_header_seq_number = - 1 ;
static int hf_capwap_control_header_flags = - 1 ;
static int hf_capwap_control_header_msg_element_length = - 1 ;
static int hf_capwap_message_element = - 1 ;
static int hf_capwap_msg_element_type = - 1 ;
static int hf_capwap_msg_element_length = - 1 ;
static int hf_capwap_msg_element_value = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_stations = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_limit = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_active_wtp = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_max_wtp = - 1 ;
/* AC Descriptor Security Flags... */
static int hf_capwap_msg_element_type_ac_descriptor_security = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_security_s = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_security_x = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_security_r = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_rmac_field = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_reserved = - 1 ;
/* AC Descriptor DTLS Policy Flags... */
static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c = - 1 ;
static int hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r = - 1 ;
static int hf_capwap_msg_element_type_ac_information_vendor = - 1 ;
static int hf_capwap_msg_element_type_ac_information_type = - 1 ;
static int hf_capwap_msg_element_type_ac_information_length = - 1 ;
static int hf_capwap_msg_element_type_ac_information_value = - 1 ;
static int hf_capwap_msg_element_type_ac_information_hardware_version = - 1 ;
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 ;
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 ;
static int hf_capwap_msg_element_type_capwap_control_ipv6 = - 1 ;
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 ;
static int hf_capwap_msg_element_type_capwap_timers_echo_request = - 1 ;
static int hf_capwap_msg_element_type_decryption_error_report_period_radio_id = - 1 ;
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 ;
static int hf_capwap_msg_element_type_maximum_message_length = - 1 ;
static int hf_capwap_msg_element_type_idle_timeout = - 1 ;
static int hf_capwap_msg_element_type_radio_admin_id = - 1 ;
static int hf_capwap_msg_element_type_radio_admin_state = - 1 ;
static int hf_capwap_msg_element_type_radio_op_state_radio_id = - 1 ;
static int hf_capwap_msg_element_type_radio_op_state_radio_state = - 1 ;
static int hf_capwap_msg_element_type_radio_op_state_radio_cause = - 1 ;
static int hf_capwap_msg_element_type_result_code = - 1 ;
static int hf_capwap_msg_element_type_session_id = - 1 ;
static int hf_capwap_msg_element_type_statistics_timer = - 1 ;
static int hf_capwap_msg_element_type_vsp_vendor_identifier = - 1 ;
static int hf_capwap_msg_element_type_vsp_vendor_element_id = - 1 ;
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 ;
static int hf_capwap_msg_element_type_wtp_board_data_type = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_length = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_value = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_wtp_model_number = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_wtp_serial_number = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_wtp_board_id = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_wtp_board_revision = - 1 ;
static int hf_capwap_msg_element_type_wtp_board_data_base_mac_address = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_max_radios = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_radio_in_use = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_number_encrypt = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_vendor = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_type = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_length = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_value = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_hardware_version = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_active_software_version = - 1 ;
static int hf_capwap_msg_element_type_wtp_descriptor_boot_version = - 1 ;
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 ;
static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n = - 1 ;
static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e = - 1 ;
static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l = - 1 ;
static int hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r = - 1 ;
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 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_reboot_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count = - 1 ;
static int hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_rate_set_radio_id = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_rate_set_rate_set = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_mac = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_flags = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_station_session_key_key = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_id = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_reserved = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_n = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_g = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_a = - 1 ;
static int hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_b = - 1 ;
static int hf_msg_fragments = - 1 ;
static int hf_msg_fragment = - 1 ;
static int hf_msg_fragment_overlap = - 1 ;
static int hf_msg_fragment_overlap_conflicts = - 1 ;
static int hf_msg_fragment_multiple_tails = - 1 ;
static int hf_msg_fragment_too_long_fragment = - 1 ;
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 ;
static dissector_handle_t ieee8023_handle ;
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 ;
/* Initialize the subtree pointers */
static gint ett_capwap = - 1 ;
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static gint ett_msg_fragment = - 1 ;
static gint ett_msg_fragments = - 1 ;
/* ************************************************************************* */
/* Fragment items */
/* ************************************************************************* */
static const fragment_items capwap_frag_items = {
/* Fragment subtrees */
& ett_msg_fragment ,
& ett_msg_fragments ,
/* Fragment fields */
& hf_msg_fragments ,
& hf_msg_fragment ,
& hf_msg_fragment_overlap ,
& hf_msg_fragment_overlap_conflicts ,
& hf_msg_fragment_multiple_tails ,
& hf_msg_fragment_too_long_fragment ,
& hf_msg_fragment_error ,
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& hf_msg_fragment_count ,
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/* Reassembled in field */
& hf_msg_reassembled_in ,
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/* Reassembled length field */
& hf_msg_reassembled_length ,
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/* Tag */
" Message fragments "
} ;
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/* ************************************************************************* */
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/* Header Type */
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/* ************************************************************************* */
static const value_string type_header_vals [ ] = {
{ 0 , " CAPWAP Header " } ,
{ 1 , " CAPWAP DTLS Header " } ,
{ 0 , NULL }
} ;
/* ************************************************************************* */
/* Wireless Binding IDentifier (WBID) */
/* ************************************************************************* */
static const value_string type_wbid [ ] = {
{ 0 , " Reserved " } ,
{ 1 , " IEEE 802.11 " } ,
{ 2 , " IEEE 802.16 " } , /* From old RFC Draft... */
{ 3 , " EPCGlobal " } ,
{ 0 , NULL }
} ;
/* ************************************************************************* */
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/* flag Type Transported (payload) */
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/* ************************************************************************* */
static const true_false_string flag_type_t = {
" Native frame format (see Wireless Binding ID field) " ,
" IEEE 802.3 frame "
} ;
/* ************************************************************************* */
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/* flag Type Fragment */
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/* ************************************************************************* */
static const true_false_string flag_type_f = {
" Fragmented " ,
" Don't Fragment "
} ;
/* ************************************************************************* */
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/* flag Type Last Fragment */
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/* ************************************************************************* */
static const true_false_string flag_type_l = {
" This is the last fragment " ,
" More fragments follow "
} ;
/* ************************************************************************* */
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/* flag Type Wireless */
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/* ************************************************************************* */
static const true_false_string flag_type_w = {
" Wireless Specific Information is present " ,
" No Wireless Specific Information "
} ;
/* ************************************************************************* */
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/* flag Type Radio Mac */
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/* ************************************************************************* */
static const true_false_string flag_type_m = {
" Radio MAC Address is present " ,
" No Radio MAC Address "
} ;
/* ************************************************************************* */
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/* flag Type Keep Alive */
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/* ************************************************************************* */
static const true_false_string flag_type_k = {
" Keep-Alive Packet " ,
" No Keep-Alive "
} ;
/* ************************************************************************* */
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/* Message Type Value */
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/* ************************************************************************* */
static const value_string message_type [ ] = {
{ 1 , " Discovery Request " } ,
{ 2 , " Discovery Response " } ,
{ 3 , " Join Request " } ,
{ 4 , " Join Response " } ,
{ 5 , " Configuration Status Request " } ,
{ 6 , " Configuration Status Response " } ,
{ 7 , " Configuration Update Request " } ,
{ 8 , " Configuration Update Response " } ,
{ 9 , " WTP Event Request " } ,
{ 10 , " WTP Event Response " } ,
{ 11 , " Change State Request " } ,
{ 12 , " Change State Response " } ,
{ 13 , " Echo Request " } ,
{ 14 , " Echo Response " } ,
{ 15 , " Image Data Request " } ,
{ 16 , " Image Data Response " } ,
{ 17 , " Reset Request " } ,
{ 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 }
} ;
/* ************************************************************************* */
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/* Message Element Type */
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/* ************************************************************************* */
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# 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
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/* ************************************************************************* */
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/* Message Element Type Value */
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/* ************************************************************************* */
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 " } ,
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{ TYPE_CAPWAP_CONTROL_IPV6_ADDRESS , " CAPWAP Control IPv6 Address " } ,
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{ 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 " } ,
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{ TYPE_RESERVED_19 , " Reserved " } ,
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{ 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 " } ,
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{ 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 " } ,
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{ 0 , NULL }
} ;
/* ************************************************************************* */
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/* Discovery Type */
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/* ************************************************************************* */
static const value_string discovery_type_vals [ ] = {
{ 0 , " Unknown " } ,
{ 1 , " Static Configuration " } ,
{ 2 , " DHCP " } ,
{ 3 , " DNS " } ,
{ 4 , " AC Referral " } ,
{ 0 , NULL }
} ;
/* ************************************************************************* */
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/* 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 }
} ;
/* ************************************************************************* */
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/* Radio MAC Address Field */
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/* ************************************************************************* */
static const value_string rmac_field_vals [ ] = {
{ 0 , " Reserved " } ,
{ 1 , " Supported " } ,
{ 2 , " Not Supported " } ,
{ 0 , NULL }
} ;
/* ************************************************************************* */
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/* Board Data Type Value */
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/* ************************************************************************* */
# 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 }
} ;
/* ************************************************************************* */
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/* Descriptor WTP Type Value */
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/* ************************************************************************* */
# 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 }
} ;
/* ************************************************************************* */
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/* AC Information Type Value */
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/* ************************************************************************* */
# 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 }
} ;
/* ************************************************************************* */
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/* WTP MAC Type */
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/* ************************************************************************* */
static const value_string wtp_mac_vals [ ] = {
{ 0 , " Local MAC " } ,
{ 1 , " Split MAC " } ,
{ 2 , " Both (Local and Split MAC) " } ,
{ 0 , NULL }
} ;
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/* ************************************************************************* */
/* 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 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_data_message_binding_tree , hf_capwap_header_wireless_data_ieee80211_fi_snr , tvb , offset + 1 , 1 , FALSE ) ;
proto_tree_add_item ( sub_data_message_binding_tree , hf_capwap_header_wireless_data_ieee80211_fi_data_rate , tvb , offset + 2 , 2 , FALSE ) ;
}
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 , FALSE ) ;
sub_data_message_binding_tree = proto_item_add_subtree ( data_message_binding_item , ett_capwap ) ;
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proto_tree_add_item ( sub_data_message_binding_tree , hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap , tvb , offset , 2 , FALSE ) ;
proto_tree_add_item ( sub_data_message_binding_tree , hf_capwap_header_wireless_data_ieee80211_dw_reserved , tvb , offset + 2 , 2 , FALSE ) ;
}
}
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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 ;
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encryption_capabilities = tvb_get_ntohs ( tvb , offset + 1 ) ;
wbid = tvb_get_bits8 ( tvb , offset * 8 + 3 , 5 ) ;
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encryption_capabilities_item = proto_tree_add_text ( encryption_capabilities_tree , tvb , offset , 3 , " Encryption Capabilities: (WBID=%d) %d " , wbid , encryption_capabilities ) ;
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sub_encryption_capabilities_tree = proto_item_add_subtree ( encryption_capabilities_item , ett_capwap ) ;
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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 ) ) ;
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proto_tree_add_uint ( sub_encryption_capabilities_tree , hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid , tvb , offset , 1 , wbid ) ;
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proto_tree_add_item ( sub_encryption_capabilities_tree , hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities , tvb , offset + 1 , 2 , FALSE ) ;
}
/* 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 ;
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ac_information_type = tvb_get_ntohs ( tvb , offset + 4 ) ;
optlen = tvb_get_ntohs ( tvb , offset + 6 ) ;
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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) " ) ) ;
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sub_ac_information_type_tree = proto_item_add_subtree ( ac_information_type_item , ett_capwap ) ;
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proto_tree_add_item ( sub_ac_information_type_tree , hf_capwap_msg_element_type_ac_information_vendor , tvb , offset , 4 , FALSE ) ;
proto_tree_add_item ( sub_ac_information_type_tree , hf_capwap_msg_element_type_ac_information_type , tvb , offset + 4 , 2 , FALSE ) ;
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proto_tree_add_item ( sub_ac_information_type_tree , hf_capwap_msg_element_type_ac_information_length , tvb , offset + 6 , 2 , FALSE ) ;
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proto_tree_add_item ( sub_ac_information_type_tree , hf_capwap_msg_element_type_ac_information_value , tvb , offset + 8 , optlen , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 ;
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wtp_descriptor_type = tvb_get_ntohs ( tvb , offset + 4 ) ;
optlen = tvb_get_ntohs ( tvb , offset + 6 ) ;
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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) " ) ) ;
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sub_wtp_descriptor_type_tree = proto_item_add_subtree ( wtp_descriptor_type_item , ett_capwap ) ;
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proto_tree_add_item ( sub_wtp_descriptor_type_tree , hf_capwap_msg_element_type_wtp_descriptor_vendor , tvb , offset , 4 , FALSE ) ;
proto_tree_add_item ( sub_wtp_descriptor_type_tree , hf_capwap_msg_element_type_wtp_descriptor_type , tvb , offset + 4 , 2 , FALSE ) ;
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proto_tree_add_item ( sub_wtp_descriptor_type_tree , hf_capwap_msg_element_type_wtp_descriptor_length , tvb , offset + 6 , 2 , FALSE ) ;
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proto_tree_add_item ( sub_wtp_descriptor_type_tree , hf_capwap_msg_element_type_wtp_descriptor_value , tvb , offset + 8 , optlen , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 ;
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board_data_type = tvb_get_ntohs ( tvb , offset ) ;
optlen = tvb_get_ntohs ( tvb , offset + 2 ) ;
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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) " ) ) ;
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sub_board_data_type_tree = proto_item_add_subtree ( board_data_type_item , ett_capwap ) ;
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proto_tree_add_item ( sub_board_data_type_tree , hf_capwap_msg_element_type_wtp_board_data_type , tvb , offset , 2 , FALSE ) ;
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proto_tree_add_item ( sub_board_data_type_tree , hf_capwap_msg_element_type_wtp_board_data_length , tvb , offset + 2 , 2 , FALSE ) ;
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proto_tree_add_item ( sub_board_data_type_tree , hf_capwap_msg_element_type_wtp_board_data_value , tvb , offset + 4 , optlen , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
break ;
case BOARD_DATA_BASE_MAC_ADDRESS :
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proto_tree_add_item ( sub_board_data_type_tree , hf_capwap_msg_element_type_wtp_board_data_base_mac_address , tvb , offset + 4 , 6 , FALSE ) ;
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break ;
default :
/* No Default Action */
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break ;
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}
return 2 + 2 + optlen ;
}
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/* 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 ) ;
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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) " ) ) ;
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sub_msg_element_type_tree = proto_item_add_subtree ( msg_element_type_item , ett_capwap ) ;
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proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type , tvb , offset , 2 , FALSE ) ;
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proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_length , tvb , offset + 2 , 2 , FALSE ) ;
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proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_value , tvb , offset + 4 , optlen , FALSE ) ;
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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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ac_descriptor_limit , tvb , offset + 6 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ac_descriptor_active_wtp , tvb , offset + 8 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ac_descriptor_max_wtp , tvb , offset + 10 , 2 , FALSE ) ;
/* AC Descriptor Security Flags... */
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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 , FALSE ) ;
sub_msg_element_type_flag_tree = proto_item_add_subtree ( msg_element_type_item_flag , ett_capwap ) ;
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proto_tree_add_boolean ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_ac_descriptor_security_r , tvb , offset + 12 , 1 , FALSE ) ;
proto_tree_add_boolean ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_ac_descriptor_security_s , tvb , offset + 12 , 1 , FALSE ) ;
proto_tree_add_boolean ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_ac_descriptor_security_x , tvb , offset + 12 , 1 , FALSE ) ;
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proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ac_descriptor_rmac_field , tvb , offset + 13 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ac_descriptor_reserved , tvb , offset + 14 , 1 , FALSE ) ;
/* AC Descriptor DTLS Flags... */
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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 , FALSE ) ;
sub_msg_element_type_flag_tree = proto_item_add_subtree ( msg_element_type_item_flag , ett_capwap ) ;
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proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r , tvb , offset + 15 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d , tvb , offset + 15 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c , tvb , offset + 15 , 1 , FALSE ) ;
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offset_end = offset + optlen - 4 ;
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offset + = 4 + 12 ;
while ( offset < offset_end ) {
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offset + = dissect_capwap_ac_information ( tvb , sub_msg_element_type_tree , offset ) ;
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}
break ;
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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 , FALSE ) ;
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 , FALSE ) ;
offset + = 16 ;
}
}
break ;
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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 , FALSE ) ;
break ;
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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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ac_name , tvb , offset + 5 , optlen - 1 , FALSE ) ;
break ;
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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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_capwap_control_wtp_count , tvb , offset + 8 , 2 , FALSE ) ;
break ;
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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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_capwap_control_wtp_count , tvb , offset + 20 , 2 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_capwap_timers_echo_request , tvb , offset + 5 , 1 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_decryption_error_report_period_interval , tvb , offset + 5 , 2 , FALSE ) ;
break ;
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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 , FALSE ) ;
break ;
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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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_radio_admin_state , tvb , offset + 5 , 1 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_radio_op_state_radio_state , tvb , offset + 5 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_radio_op_state_radio_cause , tvb , offset + 6 , 1 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_vsp_vendor_element_id , tvb , offset + 8 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_vsp_vendor_data , tvb , offset + 10 , optlen - 6 , FALSE ) ;
break ;
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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 , FALSE ) ;
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offset + = 8 ;
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offset_end = offset + optlen - 4 ;
while ( offset < offset_end ) {
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offset + = dissect_capwap_board_data ( tvb , sub_msg_element_type_tree , offset ) ;
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}
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_descriptor_radio_in_use , tvb , offset + 5 , 1 , FALSE ) ;
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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 , FALSE ) ;
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
{
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/*in Draft 8, there is only one "encryption_capabilities*/
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proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities , tvb , offset + 6 , 2 , FALSE ) ;
offset_end = offset + optlen - 4 ;
offset + = 6 + 2 ;
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}
while ( offset < offset_end ) {
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offset + = dissect_capwap_wtp_descriptor ( tvb , sub_msg_element_type_tree , offset ) ;
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}
break ;
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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 , FALSE ) ;
break ;
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case TYPE_WTP_FRAME_TUNNEL_MODE : /* WTP Frame Tunnel Mode (41) */
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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 , FALSE ) ;
sub_msg_element_type_flag_tree = proto_item_add_subtree ( msg_element_type_item_flag , ett_capwap ) ;
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proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n , tvb , offset + 4 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e , tvb , offset + 4 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l , tvb , offset + 4 , 1 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_flag_tree , hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r , tvb , offset + 4 , 1 , FALSE ) ;
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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 , FALSE ) ;
break ;
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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 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count , tvb , offset + 6 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count , tvb , offset + 8 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count , tvb , offset + 10 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count , tvb , offset + 12 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count , tvb , offset + 14 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count , tvb , offset + 16 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type , tvb , offset + 18 , 1 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_rate_set_rate_set , tvb , offset + 5 , optlen - 1 , FALSE ) ;
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 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_station_session_key_flags , tvb , offset + 10 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a , tvb , offset + 10 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c , tvb , offset + 10 , 2 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc , tvb , offset + 12 , 6 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc , tvb , offset + 18 , 6 , FALSE ) ;
proto_tree_add_item ( sub_msg_element_type_tree , hf_capwap_msg_element_type_ieee80211_station_session_key_key , tvb , offset + 24 , optlen - 24 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
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 , FALSE ) ;
break ;
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default :
/* No Default Action */
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break ;
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}
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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 ;
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ti = proto_tree_add_item ( capwap_control_tree , hf_capwap_message_element , tvb , offset , tvb_reported_length ( tvb ) - offset , FALSE ) ;
capwap_message_element_tree = proto_item_add_subtree ( ti , ett_capwap ) ;
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offset_end = tvb_reported_length ( tvb ) ;
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while ( offset + plen < offset_end ) {
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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
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dissect_capwap_control_header ( tvbuff_t * tvb , proto_tree * capwap_control_tree , guint offset , packet_info * pinfo )
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{
guint plen = 0 ;
proto_item * ti , * ti_flag ;
proto_tree * capwap_control_header_tree ;
proto_tree * capwap_control_msg_type_tree ;
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ti = proto_tree_add_item ( capwap_control_tree , hf_capwap_control_header , tvb , offset , 8 , FALSE ) ;
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 , FALSE ) ;
capwap_control_msg_type_tree = proto_item_add_subtree ( ti_flag , ett_capwap ) ;
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proto_tree_add_item ( capwap_control_msg_type_tree , hf_capwap_control_header_msg_type_enterprise_nbr , tvb , offset , 3 , FALSE ) ;
proto_tree_add_item ( capwap_control_msg_type_tree , hf_capwap_control_header_msg_type_enterprise_specific , tvb , offset + 3 , 1 , FALSE ) ;
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_uint ( capwap_control_header_tree , hf_capwap_control_header_seq_number , tvb , offset + plen , 1 , tvb_get_guint8 ( tvb , offset ) ) ;
plen + = 1 ;
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/* Message Element Length 16 bits */
proto_tree_add_item ( capwap_control_header_tree , hf_capwap_control_header_msg_element_length , tvb , offset + plen , 2 , FALSE ) ;
plen + = 2 ;
/* Flags 8 bits */
proto_tree_add_item ( capwap_control_header_tree , hf_capwap_control_header_flags , tvb , offset + plen , 1 , FALSE ) ;
plen + = 1 ;
return plen ;
}
/* Returns the number of bytes consumed by this option. */
static int
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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 )
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{
guint plen = 0 ;
proto_item * ti , * ti_flag ;
proto_tree * capwap_header_tree ;
proto_tree * capwap_header_flags_tree ;
guint flags = 0 ;
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guint8 maclength , wirelesslength ;
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guint align = 0 ;
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ti = proto_tree_add_item ( capwap_control_tree , hf_capwap_header , tvb , offset + plen , tvb_get_bits8 ( tvb , ( offset + plen ) * 8 , 5 ) , FALSE ) ;
capwap_header_tree = proto_item_add_subtree ( ti , ett_capwap ) ;
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/* 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 ) ) ;
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/* 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 ) ) ;
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/* WBid of Payload (for CAPWAP Data Packet) */
* payload_wbid = tvb_get_bits8 ( tvb , ( offset + plen ) * 8 + 10 , 5 ) ;
plen + + ;
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/* Flags : 9 Bits */
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flags = tvb_get_bits16 ( tvb , ( offset + plen ) * 8 + 7 , 9 , 0 ) ;
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 ) ;
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/* Fragment ??*/
* fragment_is = ( ( flags & 0x80 ) = = 0x80 ) ? TRUE : FALSE ;
* fragment_more = ( ( flags & 0x40 ) = = 0x40 ) ? FALSE : TRUE ;
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/* Type of Payload (for CAPWAP Data Packet) */
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* payload_type = tvb_get_bits8 ( tvb , ( offset + plen ) * 8 + 7 , 1 ) ;
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plen + = 2 ;
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/* Fragment ID : 16 Bits */
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proto_tree_add_item ( capwap_header_tree , hf_capwap_header_fragment_id , tvb , offset + plen , 2 , FALSE ) ;
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* fragment_id = ( guint32 ) tvb_get_ntohs ( tvb , offset + plen ) ;
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plen + = 2 ;
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/* Fragment offset : 13 Bits */
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/* FIXME: Use _item and mask in hf element */
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proto_tree_add_uint ( capwap_header_tree , hf_capwap_header_fragment_offset , tvb , offset + plen , 2 , tvb_get_bits16 ( tvb , ( offset + plen ) * 8 , 13 , 0 ) ) ;
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* fragment_offset = 8 * ( guint32 ) tvb_get_bits16 ( tvb , ( offset + plen ) * 8 , 13 , 0 ) ;
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/* Reserved 3 Bits */
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/* FIXME: Use _item and mask in hf element */
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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 ;
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/* Optionnal Headers */
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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 , FALSE ) ;
plen + = 1 ;
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if ( maclength = = 6 ) {
proto_tree_add_item ( capwap_header_tree , hf_capwap_header_mac_eui48 , tvb , offset + plen , maclength , FALSE ) ;
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} else if ( maclength = = 8 ) {
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proto_tree_add_item ( capwap_header_tree , hf_capwap_header_mac_eui64 , tvb , offset + plen , maclength , FALSE ) ;
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} else {
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proto_tree_add_item ( capwap_header_tree , hf_capwap_header_mac_data , tvb , offset + plen , maclength , FALSE ) ;
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}
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plen + = maclength ;
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/* 4 Bytes Alignment ? */
align = 4 - ( ( offset + plen ) % 4 ) ;
if ( align ! = 4 )
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{
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proto_tree_add_item ( capwap_header_tree , hf_capwap_header_padding , tvb , offset + plen , align , FALSE ) ;
plen + = align ;
}
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}
if ( flags & 0x20 /* Wireless specific information */ ) {
wirelesslength = tvb_get_guint8 ( tvb , offset + plen ) ;
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/* in Draft 8, the WBid is add in Wireless Specific Information*/
if ( global_capwap_draft_8_cisco = = 1 )
{
plen + = 1 ;
wirelesslength = 4 ;
}
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proto_tree_add_item ( capwap_header_tree , hf_capwap_header_wireless_length , tvb , offset + plen , 1 , FALSE ) ;
plen + = 1 ;
proto_tree_add_item ( capwap_header_tree , hf_capwap_header_wireless_data , tvb , offset + plen , wirelesslength , FALSE ) ;
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/* 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 ) ;
}
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plen + = wirelesslength ;
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/* 4 Bytes Alignment ? */
align = 4 - ( ( offset + plen ) % 4 ) ;
if ( align ! = 4 )
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{
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proto_tree_add_item ( capwap_header_tree , hf_capwap_header_padding , tvb , offset + plen , align , FALSE ) ;
plen + = align ;
}
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}
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return plen ;
}
/* Returns the number of bytes consumed by this option. */
static int
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dissect_capwap_preamble ( tvbuff_t * tvb , proto_tree * capwap_control_tree , guint offset , guint8 * type_header )
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{
guint plen = 0 ;
proto_item * ti ;
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proto_tree * capwap_preamble_tree ;
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ti = proto_tree_add_item ( capwap_control_tree , hf_capwap_preamble , tvb , offset + plen , - 1 , FALSE ) ;
capwap_preamble_tree = proto_item_add_subtree ( ti , ett_capwap ) ;
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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 ) ) ) ;
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* type_header = lo_nibble ( tvb_get_guint8 ( tvb , offset + plen ) ) ;
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plen + + ;
/* DTLS Header ? */
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if ( * type_header = = 1 ) {
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proto_tree_add_item ( capwap_preamble_tree , hf_capwap_preamble_reserved , tvb , offset + plen , 3 , FALSE ) ;
plen + = 3 ;
}
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proto_item_set_len ( ti , plen ) ;
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return plen ;
}
/* Code to actually dissect the packets */
static void
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 ;
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guint offset = 0 ;
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tvbuff_t * next_tvb = NULL ;
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guint8 type_header ;
guint8 payload_type ;
guint8 payload_wbid ;
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gboolean fragment_is ;
gboolean fragment_more ;
guint32 fragment_id ;
guint32 fragment_offset ;
fragment_data * frag_msg = NULL ;
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/* 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 , FALSE ) ;
capwap_control_tree = proto_item_add_subtree ( ti , ett_capwap ) ;
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/* CAPWAP Preamble */
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offset + = dissect_capwap_preamble ( tvb , capwap_control_tree , offset , & type_header ) ;
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if ( type_header = = 1 ) {
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next_tvb = tvb_new_subset_remaining ( tvb , offset ) ;
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call_dissector ( dtls_handle , next_tvb , pinfo , tree ) ;
return ;
}
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/* CAPWAP Header */
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offset + = dissect_capwap_header ( tvb , capwap_control_tree , offset , pinfo , & payload_type , & payload_wbid , & fragment_is , & fragment_more , & fragment_id , & fragment_offset ) ;
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/* CAPWAP Reassemble */
save_fragmented = pinfo - > fragmented ;
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if ( global_capwap_reassemble & & fragment_is )
{
pinfo - > fragmented = TRUE ;
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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 ) ;
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next_tvb = process_reassembled_data ( tvb , offset , pinfo ,
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" Reassembled CAPWAP " , frag_msg ,
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& capwap_frag_items , NULL , tree ) ;
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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 ) ;
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/* CAPWAP Message Element */
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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 ) ;
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/* CAPWAP Message Element */
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offset + = dissect_capwap_message_element ( tvb , capwap_control_tree , offset ) ;
}
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}
/* 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 ;
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guint offset = 0 ;
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tvbuff_t * next_tvb ;
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guint8 type_header ;
guint8 payload_type ;
guint8 payload_wbid ;
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gboolean fragment_is ;
gboolean fragment_more ;
guint32 fragment_id ;
guint32 fragment_offset ;
fragment_data * frag_msg = NULL ;
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/* 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 , FALSE ) ;
capwap_data_tree = proto_item_add_subtree ( ti , ett_capwap ) ;
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/* CAPWAP Preamble */
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offset + = dissect_capwap_preamble ( tvb , capwap_data_tree , offset , & type_header ) ;
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if ( type_header = = 1 ) {
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next_tvb = tvb_new_subset_remaining ( tvb , offset ) ;
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call_dissector ( dtls_handle , next_tvb , pinfo , tree ) ;
return ;
}
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/* CAPWAP Header */
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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 ,
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" Reassembled CAPWAP " , frag_msg ,
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& 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 ) ;
}
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/* CAPWAP Data Payload */
if ( payload_type = = 0 ) {
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/* IEEE 802.3 Frame */
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call_dissector ( ieee8023_handle , next_tvb , pinfo , tree ) ;
} else {
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switch ( payload_wbid ) {
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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 ;
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case 1 : /* IEEE 802.11 */
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call_dissector ( global_capwap_swap_frame_control ? ieee80211_bsfc_handle : ieee80211_handle , next_tvb , pinfo , tree ) ;
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break ;
default : /* Unknown Data */
call_dissector ( data_handle , next_tvb , pinfo , tree ) ;
break ;
}
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}
}
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void
proto_register_capwap_control ( void )
{
module_t * capwap_module ;
static hf_register_info hf [ ] = {
/* Preamble */
{ & hf_capwap_preamble ,
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{ " Preamble " , " capwap.preamble " ,
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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 ,
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{ " Reserved " , " capwap.preamble.reserved " ,
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FT_UINT24 , BASE_DEC , NULL , 0x0 ,
NULL , HFILL } } ,
/* CAPWAP Header */
{ & hf_capwap_header ,
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{ " Header " , " capwap.header " ,
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FT_NONE , BASE_NONE , NULL , 0x0 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_hlen ,
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{ " Header Length " , " capwap.header.length " ,
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FT_UINT8 , BASE_DEC , NULL , 0x0 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_rid ,
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{ " Radio ID " , " capwap.header.rid " ,
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FT_UINT8 , BASE_DEC , NULL , 0x0 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_wbid ,
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{ " Wireless Binding ID " , " capwap.header.wbid " ,
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FT_UINT8 , BASE_DEC , VALS ( type_wbid ) , 0x0 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_flags ,
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{ " Header Flags " , " capwap.header.flags " ,
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FT_UINT8 , BASE_DEC , NULL , 0x0 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_flags_t ,
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{ " Payload Type " , " capwap.header.flags.t " ,
FT_BOOLEAN , 9 , TFS ( & flag_type_t ) , 0x100 ,
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NULL , HFILL } } ,
{ & hf_capwap_header_flags_f ,
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{ " Fragment " , " capwap.header.flags.f " ,
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FT_BOOLEAN , 9 , TFS ( & flag_type_f ) , 0x80 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_flags_l ,
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{ " Last Fragment " , " capwap.header.flags.l " ,
FT_BOOLEAN , 9 , TFS ( & flag_type_l ) , 0x40 ,
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NULL , HFILL } } ,
{ & hf_capwap_header_flags_w ,
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{ " Wireless header " , " capwap.header.flags.w " ,
FT_BOOLEAN , 9 , TFS ( & flag_type_w ) , 0x20 ,
NULL , HFILL } } ,
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{ & hf_capwap_header_flags_m ,
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{ " Radio MAC header " , " capwap.header.flags.m " ,
FT_BOOLEAN , 9 , TFS ( & flag_type_m ) , 0x10 ,
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NULL , HFILL } } ,
{ & hf_capwap_header_flags_k ,
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{ " Keep-Alive " , " capwap.header.flags.k " ,
FT_BOOLEAN , 9 , TFS ( & flag_type_k ) , 0x08 ,
NULL , HFILL } } ,
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{ & hf_capwap_header_flags_r ,
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{ " Reserved " , " capwap.header.flags.r " ,
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FT_BOOLEAN , 9 , TFS ( & tfs_set_notset ) , 0x07 ,
2009-06-02 21:44:00 +00:00
NULL , HFILL } } ,
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{ & hf_capwap_header_fragment_id ,
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{ " Fragment ID " , " capwap.header.fragment.id " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
2009-06-02 21:44:00 +00:00
NULL , HFILL } } ,
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{ & hf_capwap_header_fragment_offset ,
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{ " Fragment Offset " , " capwap.header.fragment.offset " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_reserved ,
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{ " Reserved " , " capwap.header.fragment.reserved " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
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{ & hf_capwap_header_mac_length ,
{ " MAC length " , " capwap.header.mac.length " ,
FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
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{ & 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 " ,
2011-05-08 10:23:53 +00:00
FT_EUI64 , BASE_NONE , NULL , 0x00 ,
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NULL , HFILL } } ,
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{ & hf_capwap_header_mac_data ,
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{ " MAC address " , " capwap.header.mac.data " ,
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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 " ,
2009-09-05 22:12:51 +00:00
FT_BYTES , BASE_NONE , NULL , 0x00 ,
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NULL , HFILL } } ,
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{ & 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 } } ,
2009-06-02 21:44:00 +00:00
/* CAPWAP Control Header Message */
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{ & hf_capwap_control_header ,
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{ " Control Header " , " capwap.control.header " ,
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FT_NONE , BASE_NONE , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_control_header_msg_type ,
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{ " Message Type " , " capwap.control.header.message_type " ,
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FT_UINT32 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_control_header_msg_type_enterprise_nbr ,
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{ " Message Type (Enterprise Number) " , " capwap.control.header.message_type.enterprise_number " ,
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FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0x00 ,
2009-06-02 18:39:38 +00:00
NULL , HFILL } } ,
{ & hf_capwap_control_header_msg_type_enterprise_specific ,
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{ " Message Type (Enterprise Specific) " , " capwap.control.header.message_type.enterprise_specific " ,
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FT_UINT8 , BASE_DEC , VALS ( message_type ) , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_control_header_seq_number ,
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{ " Sequence Number " , " capwap.control.header.sequence_number " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
2009-06-02 21:44:00 +00:00
NULL , HFILL } } ,
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{ & hf_capwap_control_header_msg_element_length ,
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{ " Message Element Length " , " capwap.control.header.message_element_length " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_control_header_flags ,
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{ " Flags " , " capwap.control.header.flags " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
2009-06-02 21:44:00 +00:00
/* CAPWAP Protocol Message Elements */
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{ & hf_capwap_message_element ,
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{ " Message Element " , " capwap.message_element " ,
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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 ,
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{ " Stations " , " capwap.control.message_element.ac_descriptor.stations " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_limit ,
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{ " Limit Stations " , " capwap.control.message_element.ac_descriptor.limit " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_active_wtp ,
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{ " Active WTPs " , " capwap.control.message_element.ac_descriptor.active_wtp " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_max_wtp ,
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{ " Max WTPs " , " capwap.control.message_element.ac_descriptor.max_wtp " ,
2009-06-02 18:39:38 +00:00
FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
/* AC Descriptor Security Flags... */
{ & hf_capwap_msg_element_type_ac_descriptor_security ,
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{ " Security Flags " , " capwap.control.message_element.ac_descriptor.security " ,
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FT_NONE , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_security_s ,
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{ " AC supports the pre-shared " , " capwap.control.message_element.ac_descriptor.security.s " ,
2009-06-02 18:39:38 +00:00
FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x04 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_security_x ,
2009-06-02 21:44:00 +00:00
{ " AC supports X.509 Certificate " , " capwap.control.message_element.ac_descriptor.security.x " ,
2009-06-02 18:39:38 +00:00
FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x02 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_security_r ,
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{ " Reserved " , " capwap.control.message_element.ac_descriptor.security.r " ,
2009-06-02 18:39:38 +00:00
FT_BOOLEAN , 8 , TFS ( & tfs_set_notset ) , 0xF9 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_rmac_field ,
2009-06-02 21:44:00 +00:00
{ " R-MAC Field " , " capwap.control.message_element.ac_descriptor.rmac_field " ,
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FT_UINT8 , BASE_DEC , VALS ( rmac_field_vals ) , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_reserved ,
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{ " Reserved " , " capwap.control.message_element.ac_descriptor.reserved " ,
2009-06-02 18:39:38 +00:00
FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
/* AC Descriptor DTLS Policy Flags... */
{ & hf_capwap_msg_element_type_ac_descriptor_dtls_policy ,
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{ " DTLS Policy Flags " , " capwap.control.message_element.ac_descriptor.dtls_policy " ,
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FT_NONE , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d ,
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{ " DTLS-Enabled Data Channel Supported " , " capwap.control.message_element.ac_descriptor.dtls_policy.d " ,
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FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x04 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c ,
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{ " Clear Text Data Channel Supported " , " capwap.control.message_element.ac_descriptor.dtls_policy.c " ,
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FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x02 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r ,
2009-06-02 21:44:00 +00:00
{ " Reserved " , " capwap.control.message_element.ac_descriptor.dtls_policy.r " ,
2009-06-02 18:39:38 +00:00
FT_BOOLEAN , 8 , TFS ( & tfs_set_notset ) , 0xF9 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_information_vendor ,
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{ " AC Information Vendor " , " capwap.control.message_element.ac_information.vendor " ,
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FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0x00 ,
2009-06-02 18:39:38 +00:00
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_information_type ,
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{ " AC Information Type " , " capwap.control.message_element.ac_information.type " ,
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FT_UINT16 , BASE_DEC , VALS ( ac_information_type_vals ) , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_information_length ,
2009-06-02 19:41:35 +00:00
{ " AC Information Length " , " capwap.control.message_element.ac_information.length " ,
2009-06-02 18:39:38 +00:00
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 ,
2009-06-02 21:44:00 +00:00
NULL , HFILL } } ,
2009-06-02 18:39:38 +00:00
{ & 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 } } ,
2009-11-29 13:33:05 +00:00
{ & 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 } } ,
2009-06-02 18:39:38 +00:00
/* CAPWAP Control IPvX Address*/
{ & hf_capwap_msg_element_type_capwap_control_ipv4 ,
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{ " CAPWAP Control IP Address " , " capwap.control.message_element.message_element.capwap_control_ipv4 " ,
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FT_IPv4 , BASE_NONE , NULL , 0x00 ,
NULL , HFILL } } ,
2009-11-29 13:33:05 +00:00
{ & 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 } } ,
2009-06-02 18:39:38 +00:00
{ & hf_capwap_msg_element_type_capwap_control_wtp_count ,
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{ " 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 ,
2010-09-21 03:14:49 +00:00
{ " Decryption Error Report Period Radio ID " , " capwap.control.message_element.decryption_error_report_period.radio_id " ,
2009-11-29 13:33:05 +00:00
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 " ,
2009-06-02 18:39:38 +00:00
FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_ac_name ,
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{ " AC Name " , " capwap.control.message_element.ac_name " ,
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FT_STRING , BASE_NONE , NULL , 0x00 ,
NULL , HFILL } } ,
2009-11-29 13:33:05 +00:00
{ & 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 } } ,
2009-06-02 18:39:38 +00:00
{ & hf_capwap_msg_element_type_discovery_type ,
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{ " Discovery Type " , " capwap.control.message_element.discovery_type " ,
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FT_UINT8 , BASE_DEC , VALS ( discovery_type_vals ) , 0x00 ,
NULL , HFILL } } ,
2009-11-29 13:33:05 +00:00
{ & 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 " ,
2010-09-17 04:51:21 +00:00
FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0x00 ,
2009-11-29 13:33:05 +00:00
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 } } ,
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{ & hf_capwap_msg_element_type_wtp_board_data_vendor ,
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{ " WTP Board Data Vendor " , " capwap.control.message_element.wtp_board_data.vendor " ,
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FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0x00 ,
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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 ,
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NULL , HFILL } } ,
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{ & hf_capwap_msg_element_type_wtp_board_data_wtp_model_number ,
{ " WTP Model Number " , " capwap.control.message_element.wtp_board_data.wtp_model_number " ,
From Kovarththanan Rajaratnam via bug 3548:
(1) Trailing/leading spaces are removed from 'name's/'blurb's
(2) Duplicate 'blurb's are replaced with NULL
(3) Empty ("") 'blurb's are replaced with NULL
(4) BASE_NONE, NULL, 0x0 are used for 'display', 'strings' and 'bitmask' fields
for FT_NONE, FT_BYTES, FT_IPv4, FT_IPv6, FT_ABSOLUTE_TIME, FT_RELATIVE_TIME,
FT_PROTOCOL, FT_STRING and FT_STRINGZ field types
(5) Only allow non-zero value for 'display' if 'bitmask' is non-zero
svn path=/trunk/; revision=28770
2009-06-18 21:30:42 +00:00
FT_STRING , BASE_NONE , NULL , 0x00 ,
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NULL , HFILL } } ,
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{ & 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 ,
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NULL , HFILL } } ,
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{ & 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 ,
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NULL , HFILL } } ,
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{ & 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 ,
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NULL , HFILL } } ,
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{ & 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 ,
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NULL , HFILL } } ,
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{ & hf_capwap_msg_element_type_wtp_descriptor_max_radios ,
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{ " Max Radios " , " capwap.control.message_element.wtp_descriptor.max_radios " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_descriptor_radio_in_use ,
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{ " Radio in use " , " capwap.control.message_element.wtp_descriptor.radio_in_use " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_descriptor_number_encrypt ,
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{ " Encryption Capabilities (Number) " , " capwap.control.message_element.wtp_descriptor.number_encrypt " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved ,
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{ " Reserved (Encrypt) " , " capwap.control.message_element.wtp_descriptor.encrypt_reserved " ,
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FT_UINT8 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid ,
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{ " Encrypt WBID " , " capwap.control.message_element.wtp_descriptor.encrypt_wbid " ,
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FT_UINT8 , BASE_DEC , VALS ( type_wbid ) , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities ,
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{ " Encryption Capabilities " , " capwap.control.message_element.wtp_descriptor.encrypt_capabilities " ,
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FT_UINT16 , BASE_DEC , NULL , 0x00 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_descriptor_vendor ,
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{ " WTP Descriptor Vendor " , " capwap.control.message_element.wtp_descriptor.vendor " ,
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FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0x00 ,
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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 ,
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{ " Descriptor Length " , " capwap.control.message_element.wtp_descriptor.length " ,
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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 ,
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NULL , HFILL } } ,
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{ & 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 } } ,
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{ & 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 } } ,
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{ & hf_capwap_msg_element_type_wtp_frame_tunnel_mode ,
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{ " WTP Frame Tunnel Mode " , " capwap.control.message_element.wtp_frame_tunnel_mode " ,
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FT_NONE , BASE_NONE , NULL , 0x0 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n ,
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{ " Native Frame Tunnel Mode " , " capwap.control.message_element.wtp_frame_tunnel_mode.n " ,
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FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x08 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e ,
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{ " 802.3 Frame Tunnel Mode " , " capwap.control.message_element.wtp_frame_tunnel_mode.e " ,
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FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x04 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l ,
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{ " Local Bridging " , " capwap.control.message_element.wtp_frame_tunnel_mode.l " ,
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FT_BOOLEAN , 8 , TFS ( & tfs_true_false ) , 0x02 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r ,
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{ " Reserved " , " capwap.control.message_element.wtp_frame_tunnel_mode.r " ,
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FT_BOOLEAN , 8 , TFS ( & tfs_set_notset ) , 0xF1 ,
NULL , HFILL } } ,
{ & hf_capwap_msg_element_type_wtp_mac_type ,
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{ " WTP MAC Type " , " capwap.control.message_element.wtp_mac_type " ,
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FT_UINT8 , BASE_DEC , VALS ( wtp_mac_vals ) , 0x0 ,
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" 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 ,
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{ " Flag C " , " capwap.control.message_element.ieee80211_station_session_key.flags_c " ,
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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 } } ,
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{ & hf_msg_fragment_count ,
{ " Message fragment count " , " capwap.fragment.count " , FT_UINT32 , BASE_DEC ,
NULL , 0x00 , NULL , HFILL } } ,
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{ & hf_msg_reassembled_in ,
{ " Reassembled in " , " capwap.reassembled.in " , FT_FRAMENUM , BASE_NONE ,
NULL , 0x00 , NULL , HFILL } } ,
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{ & hf_msg_reassembled_length ,
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{ " Reassembled CAPWAP length " , " capwap.reassembled.length " , FT_UINT32 , BASE_DEC ,
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NULL , 0x00 , NULL , HFILL } }
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} ;
/* Setup protocol subtree array */
static gint * ett [ ] = {
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& ett_capwap ,
& ett_msg_fragment ,
& ett_msg_fragments
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} ;
/* 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 ) ) ;
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register_init_routine ( & capwap_reassemble_init ) ;
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/* Register preferences module (See Section 2.6 for more on preferences) */
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capwap_module = prefs_register_protocol ( proto_capwap , proto_reg_handoff_capwap ) ;
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prefs_register_uint_preference ( capwap_module , " udp.port.control " , " CAPWAP Control UDP Port " ,
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" Set the port for CAPWAP Control messages (if other than the default of 5246) " ,
10 , & global_capwap_control_udp_port ) ;
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prefs_register_uint_preference ( capwap_module , " udp.port.data " , " CAPWAP Data UDP Port " ,
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" 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 ) ;
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}
void
proto_reg_handoff_capwap ( void )
{
static gboolean inited = FALSE ;
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static dissector_handle_t capwap_control_handle , capwap_data_handle ;
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static guint capwap_control_udp_port , capwap_data_udp_port ;
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if ( ! inited ) {
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capwap_control_handle = create_dissector_handle ( dissect_capwap_control , proto_capwap ) ;
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capwap_data_handle = create_dissector_handle ( dissect_capwap_data , proto_capwap ) ;
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dtls_handle = find_dissector ( " dtls " ) ;
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ieee8023_handle = find_dissector ( " eth_withoutfcs " ) ;
ieee80211_handle = find_dissector ( " wlan " ) ;
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ieee80211_bsfc_handle = find_dissector ( " wlan_bsfc " ) ;
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data_handle = find_dissector ( " data " ) ;
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inited = TRUE ;
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} else {
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dissector_delete_uint ( " udp.port " , capwap_control_udp_port , capwap_control_handle ) ;
dissector_delete_uint ( " udp.port " , capwap_data_udp_port , capwap_data_handle ) ;
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}
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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 ) ;
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capwap_control_udp_port = global_capwap_control_udp_port ;
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capwap_data_udp_port = global_capwap_data_udp_port ;
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}
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